spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <signal.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <time.h>
  89 #include <unistd.h>
  90 #include <util.h>
  91 #include <X11/cursorfont.h>
  92 #include <X11/extensions/Xrandr.h>
  93 #include <X11/Xft/Xft.h>
  94 #include <X11/Xlib-xcb.h>
  95 #include <xcb/xcb_atom.h>
  96 #include <xcb/xcb_aux.h>
  97 #include <xcb/xcb_event.h>
  98 #include <xcb/xcb_icccm.h>
  99 #include <xcb/xcb_keysyms.h>
 100 #include <xcb/xtest.h>
 101 #include <xcb/randr.h>
 102
 103 /* local includes */
 104 #include "version.h"
 105 #ifdef __OSX__
 106 #include <osx.h>
 107 #endif
 108
 109 #ifdef SPECTRWM_BUILDSTR
 110 static const char       *buildstr = SPECTRWM_BUILDSTR;
 111 #else
 112 static const char       *buildstr = SPECTRWM_VERSION;
 113 #endif
 114
 115 #if RANDR_MAJOR < 1
 116 #  error XRandR versions less than 1.0 are not supported
 117 #endif
 118
 119 #if RANDR_MAJOR >= 1
 120 #if RANDR_MINOR >= 2
 121 #define SWM_XRR_HAS_CRTC
 122 #endif
 123 #endif
 124
 125 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 126 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 127 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 128 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 129 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 130 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 131 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 132 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 133 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 134 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 135 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 136 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 137 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 138 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 139 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 140 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 141 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 142 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 143 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 144 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 145 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 146 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 147 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 148 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 149 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 150 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 151 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 152 #endif
 153
 154 /* #define SWM_DEBUG */
 155 #ifdef SWM_DEBUG
 156 #define DPRINTF(x...) do {                                                      \
 157         if (swm_debug)                                                          \
 158                 fprintf(stderr, x);                                             \
 159 } while (0)
 160 #define DNPRINTF(n,x...) do {                                                   \
 161         if (swm_debug & n) {                                                    \
 162                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 163                 fprintf(stderr, x);                                             \
 164         }                                                                       \
 165 } while (0)
 166 #define SWM_D_MISC              0x0001
 167 #define SWM_D_EVENT             0x0002
 168 #define SWM_D_WS                0x0004
 169 #define SWM_D_FOCUS             0x0008
 170 #define SWM_D_MOVE              0x0010
 171 #define SWM_D_STACK             0x0020
 172 #define SWM_D_MOUSE             0x0040
 173 #define SWM_D_PROP              0x0080
 174 #define SWM_D_CLASS             0x0100
 175 #define SWM_D_KEY               0x0200
 176 #define SWM_D_QUIRK             0x0400
 177 #define SWM_D_SPAWN             0x0800
 178 #define SWM_D_EVENTQ            0x1000
 179 #define SWM_D_CONF              0x2000
 180 #define SWM_D_BAR               0x4000
 181 #define SWM_D_INIT              0x8000
 182
 183 u_int32_t               swm_debug = 0
 184                             | SWM_D_MISC
 185                             | SWM_D_EVENT
 186                             | SWM_D_WS
 187                             | SWM_D_FOCUS
 188                             | SWM_D_MOVE
 189                             | SWM_D_STACK
 190                             | SWM_D_MOUSE
 191                             | SWM_D_PROP
 192                             | SWM_D_CLASS
 193                             | SWM_D_KEY
 194                             | SWM_D_QUIRK
 195                             | SWM_D_SPAWN
 196                             | SWM_D_EVENTQ
 197                             | SWM_D_CONF
 198                             | SWM_D_BAR
 199                             | SWM_D_INIT
 200                             ;
 201 #else
 202 #define DPRINTF(x...)
 203 #define DNPRINTF(n,x...)
 204 #endif
 205
 206 /* convert 8-bit to 16-bit */
 207 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 208
 209 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 210         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 211         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 212         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 213         xrc.alpha = 0xffff;
 214
 215 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 216 #define MODKEY                  Mod1Mask
 217 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | LockMask))
 218 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 219 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 220 #define SWM_PROPLEN             (16)
 221 #define SWM_FUNCNAME_LEN        (32)
 222 #define SWM_KEYS_LEN            (255)
 223 #define SWM_QUIRK_LEN           (64)
 224 #define X(r)                    (r)->g.x
 225 #define Y(r)                    (r)->g.y
 226 #define WIDTH(r)                (r)->g.w
 227 #define HEIGHT(r)               (r)->g.h
 228 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 229 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 230 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 231 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 232 #define SH_MIN_W(w)             (w)->sh.min_width
 233 #define SH_MIN_H(w)             (w)->sh.min_height
 234 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 235 #define SH_MAX_W(w)             (w)->sh.max_width
 236 #define SH_MAX_H(w)             (w)->sh.max_height
 237 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 238 #define SH_INC_W(w)             (w)->sh.width_inc
 239 #define SH_INC_H(w)             (w)->sh.height_inc
 240 #define SWM_MAX_FONT_STEPS      (3)
 241 #define WINID(w)                ((w) ? (w)->id : 0)
 242 #define YESNO(x)                ((x) ? "yes" : "no")
 243
 244 #define SWM_FOCUS_DEFAULT       (0)
 245 #define SWM_FOCUS_SYNERGY       (1)
 246 #define SWM_FOCUS_FOLLOW        (2)
 247
 248 #define SWM_CONF_DEFAULT        (0)
 249 #define SWM_CONF_KEYMAPPING     (1)
 250
 251 #ifndef SWM_LIB
 252 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 253 #endif
 254
 255 char                    **start_argv;
 256 xcb_atom_t              a_state;
 257 xcb_atom_t              a_prot;
 258 xcb_atom_t              a_delete;
 259 xcb_atom_t              a_takefocus;
 260 xcb_atom_t              a_wmname;
 261 xcb_atom_t              a_netwmname;
 262 xcb_atom_t              a_utf8_string;
 263 xcb_atom_t              a_string;
 264 xcb_atom_t              a_swm_iconic;
 265 xcb_atom_t              a_swm_ws;
 266 volatile sig_atomic_t   running = 1;
 267 volatile sig_atomic_t   restart_wm = 0;
 268 int                     outputs = 0;
 269 /*int                   last_focus_event = FocusOut;*/
 270 int                     other_wm;
 271 int                     ss_enabled = 0;
 272 int                     xrandr_support;
 273 int                     xrandr_eventbase;
 274 unsigned int            numlockmask = 0;
 275
 276 Display                 *display;
 277 xcb_connection_t        *conn;
 278 xcb_key_symbols_t       *syms;
 279
 280 int                     cycle_empty = 0;
 281 int                     cycle_visible = 0;
 282 int                     term_width = 0;
 283 int                     font_adjusted = 0;
 284 unsigned int            mod_key = MODKEY;
 285
 286 /* dmenu search */
 287 struct swm_region       *search_r;
 288 int                     select_list_pipe[2];
 289 int                     select_resp_pipe[2];
 290 pid_t                   searchpid;
 291 volatile sig_atomic_t   search_resp;
 292 int                     search_resp_action;
 293
 294 struct search_window {
 295         TAILQ_ENTRY(search_window)      entry;
 296         int                             idx;
 297         struct ws_win                   *win;
 298         xcb_gcontext_t                  gc;
 299         xcb_window_t                    indicator;
 300 };
 301 TAILQ_HEAD(search_winlist, search_window);
 302 struct search_winlist                   search_wl;
 303
 304 /* search actions */
 305 enum {
 306         SWM_SEARCH_NONE,
 307         SWM_SEARCH_UNICONIFY,
 308         SWM_SEARCH_NAME_WORKSPACE,
 309         SWM_SEARCH_SEARCH_WORKSPACE,
 310         SWM_SEARCH_SEARCH_WINDOW
 311 };
 312
 313 #define SWM_STACK_TOP           (0)
 314 #define SWM_STACK_BOTTOM        (1)
 315 #define SWM_STACK_ABOVE         (2)
 316 #define SWM_STACK_BELOW         (3)
 317
 318 /* dialog windows */
 319 double                  dialog_ratio = 0.6;
 320 /* status bar */
 321 #define SWM_BAR_MAX             (256)
 322 #define SWM_BAR_JUSTIFY_LEFT    (0)
 323 #define SWM_BAR_JUSTIFY_CENTER  (1)
 324 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 325 #define SWM_BAR_OFFSET          (4)
 326 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 327                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 328                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 329                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 330                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 331
 332 char                    *bar_argv[] = { NULL, NULL };
 333 int                     bar_pipe[2];
 334 unsigned char           bar_ext[SWM_BAR_MAX];
 335 char                    bar_vertext[SWM_BAR_MAX];
 336 int                     bar_version = 0;
 337 sig_atomic_t            bar_alarm = 0;
 338 int                     bar_delay = 30;
 339 int                     bar_enabled = 1;
 340 int                     bar_border_width = 1;
 341 int                     bar_at_bottom = 0;
 342 int                     bar_extra = 1;
 343 int                     bar_extra_running = 0;
 344 int                     bar_verbose = 1;
 345 int                     bar_height = 0;
 346 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 347 char                    *bar_format = NULL;
 348 int                     stack_enabled = 1;
 349 int                     clock_enabled = 1;
 350 int                     urgent_enabled = 0;
 351 char                    *clock_format = NULL;
 352 int                     title_name_enabled = 0;
 353 int                     title_class_enabled = 0;
 354 int                     window_name_enabled = 0;
 355 int                     focus_mode = SWM_FOCUS_DEFAULT;
 356 int                     focus_close = SWM_STACK_BELOW;
 357 int                     focus_close_wrap = 1;
 358 int                     focus_default = SWM_STACK_TOP;
 359 int                     spawn_position = SWM_STACK_TOP;
 360 int                     disable_border = 0;
 361 int                     border_width = 1;
 362 int                     verbose_layout = 0;
 363 time_t                  time_started;
 364 pid_t                   bar_pid;
 365 XftFont                 *bar_font;
 366 char                    *bar_fonts;
 367 XftColor                bar_font_color;
 368 struct passwd           *pwd;
 369
 370 /* layout manager data */
 371 struct swm_geometry {
 372         int                     x;
 373         int                     y;
 374         int                     w;
 375         int                     h;
 376 };
 377
 378 struct swm_screen;
 379 struct workspace;
 380
 381 struct swm_bar {
 382         xcb_window_t            id;
 383         xcb_pixmap_t            buffer;
 384         struct swm_geometry     g;
 385 };
 386
 387 /* virtual "screens" */
 388 struct swm_region {
 389         TAILQ_ENTRY(swm_region) entry;
 390         struct swm_geometry     g;
 391         struct workspace        *ws;    /* current workspace on this region */
 392         struct workspace        *ws_prior; /* prior workspace on this region */
 393         struct swm_screen       *s;     /* screen idx */
 394         struct swm_bar          *bar;
 395 };
 396 TAILQ_HEAD(swm_region_list, swm_region);
 397
 398 struct ws_win {
 399         TAILQ_ENTRY(ws_win)     entry;
 400         xcb_window_t            id;
 401         xcb_window_t            transient;
 402         struct ws_win           *child_trans;   /* transient child window */
 403         struct swm_geometry     g;              /* current geometry */
 404         struct swm_geometry     g_float;        /* region coordinates */
 405         int                     g_floatvalid;   /* g_float geometry validity */
 406         int                     floatmaxed;     /* whether maxed by max_stack */
 407         int                     floating;
 408         int                     manual;
 409         int32_t                 iconic;
 410         int                     bordered;
 411         unsigned int            ewmh_flags;
 412         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 413         int                     font_steps;
 414         int                     last_inc;
 415         int                     can_delete;
 416         int                     take_focus;
 417         int                     java;
 418         unsigned long           quirks;
 419         struct workspace        *ws;    /* always valid */
 420         struct swm_screen       *s;     /* always valid, never changes */
 421         xcb_get_geometry_reply_t        *wa;
 422         xcb_size_hints_t        sh;
 423         xcb_icccm_get_wm_class_reply_t  ch;
 424         xcb_icccm_wm_hints_t    hints;
 425 };
 426 TAILQ_HEAD(ws_win_list, ws_win);
 427
 428 /* pid goo */
 429 struct pid_e {
 430         TAILQ_ENTRY(pid_e)      entry;
 431         pid_t                   pid;
 432         int                     ws;
 433 };
 434 TAILQ_HEAD(pid_list, pid_e);
 435 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 436
 437 /* layout handlers */
 438 void    stack(void);
 439 void    vertical_config(struct workspace *, int);
 440 void    vertical_stack(struct workspace *, struct swm_geometry *);
 441 void    horizontal_config(struct workspace *, int);
 442 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 443 void    max_stack(struct workspace *, struct swm_geometry *);
 444 void    plain_stacker(struct workspace *);
 445 void    fancy_stacker(struct workspace *);
 446
 447 struct layout {
 448         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 449         void            (*l_config)(struct workspace *, int);
 450         u_int32_t       flags;
 451 #define SWM_L_FOCUSPREV         (1<<0)
 452 #define SWM_L_MAPONFOCUS        (1<<1)
 453         void            (*l_string)(struct workspace *);
 454 } layouts[] =  {
 455         /* stack,               configure */
 456         { vertical_stack,       vertical_config,        0,      plain_stacker },
 457         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 458         { max_stack,            NULL,
 459           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 460         { NULL,                 NULL,                   0,      NULL  },
 461 };
 462
 463 /* position of max_stack mode in the layouts array, index into layouts! */
 464 #define SWM_V_STACK             (0)
 465 #define SWM_H_STACK             (1)
 466 #define SWM_MAX_STACK           (2)
 467
 468 #define SWM_H_SLICE             (32)
 469 #define SWM_V_SLICE             (32)
 470
 471 /* define work spaces */
 472 struct workspace {
 473         int                     idx;            /* workspace index */
 474         char                    *name;          /* workspace name */
 475         int                     always_raise;   /* raise windows on focus */
 476         struct layout           *cur_layout;    /* current layout handlers */
 477         struct ws_win           *focus;         /* may be NULL */
 478         struct ws_win           *focus_prev;    /* may be NULL */
 479         struct swm_region       *r;             /* may be NULL */
 480         struct swm_region       *old_r;         /* may be NULL */
 481         struct ws_win_list      winlist;        /* list of windows in ws */
 482         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 483         char                    stacker[10];    /* display stacker and layout */
 484
 485         /* stacker state */
 486         struct {
 487                                 int horizontal_msize;
 488                                 int horizontal_mwin;
 489                                 int horizontal_stacks;
 490                                 int horizontal_flip;
 491                                 int vertical_msize;
 492                                 int vertical_mwin;
 493                                 int vertical_stacks;
 494                                 int vertical_flip;
 495         } l_state;
 496 };
 497
 498 enum {
 499         SWM_S_COLOR_BAR,
 500         SWM_S_COLOR_BAR_BORDER,
 501         SWM_S_COLOR_BAR_FONT,
 502         SWM_S_COLOR_FOCUS,
 503         SWM_S_COLOR_UNFOCUS,
 504         SWM_S_COLOR_MAX
 505 };
 506
 507 /* physical screen mapping */
 508 #define SWM_WS_MAX              (22)    /* hard limit */
 509 int             workspace_limit = 10;   /* soft limit */
 510
 511 struct swm_screen {
 512         int                     idx;    /* screen index */
 513         struct swm_region_list  rl;     /* list of regions on this screen */
 514         struct swm_region_list  orl;    /* list of old regions */
 515         xcb_window_t            root;
 516         struct workspace        ws[SWM_WS_MAX];
 517
 518         /* colors */
 519         struct {
 520                 uint32_t        pixel;
 521                 char            *name;
 522         } c[SWM_S_COLOR_MAX];
 523
 524         xcb_gcontext_t          bar_gc;
 525 };
 526 struct swm_screen       *screens;
 527
 528 /* args to functions */
 529 union arg {
 530         int                     id;
 531 #define SWM_ARG_ID_FOCUSNEXT    (0)
 532 #define SWM_ARG_ID_FOCUSPREV    (1)
 533 #define SWM_ARG_ID_FOCUSMAIN    (2)
 534 #define SWM_ARG_ID_FOCUSCUR     (4)
 535 #define SWM_ARG_ID_SWAPNEXT     (10)
 536 #define SWM_ARG_ID_SWAPPREV     (11)
 537 #define SWM_ARG_ID_SWAPMAIN     (12)
 538 #define SWM_ARG_ID_MOVELAST     (13)
 539 #define SWM_ARG_ID_MASTERSHRINK (20)
 540 #define SWM_ARG_ID_MASTERGROW   (21)
 541 #define SWM_ARG_ID_MASTERADD    (22)
 542 #define SWM_ARG_ID_MASTERDEL    (23)
 543 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 544 #define SWM_ARG_ID_STACKRESET   (30)
 545 #define SWM_ARG_ID_STACKINIT    (31)
 546 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 547 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 548 #define SWM_ARG_ID_CYCLESC_UP   (42)
 549 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 550 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 551 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 552 #define SWM_ARG_ID_STACKINC     (50)
 553 #define SWM_ARG_ID_STACKDEC     (51)
 554 #define SWM_ARG_ID_SS_ALL       (60)
 555 #define SWM_ARG_ID_SS_WINDOW    (61)
 556 #define SWM_ARG_ID_DONTCENTER   (70)
 557 #define SWM_ARG_ID_CENTER       (71)
 558 #define SWM_ARG_ID_KILLWINDOW   (80)
 559 #define SWM_ARG_ID_DELETEWINDOW (81)
 560 #define SWM_ARG_ID_WIDTHGROW    (90)
 561 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 562 #define SWM_ARG_ID_HEIGHTGROW   (92)
 563 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 564 #define SWM_ARG_ID_MOVEUP       (100)
 565 #define SWM_ARG_ID_MOVEDOWN     (101)
 566 #define SWM_ARG_ID_MOVELEFT     (102)
 567 #define SWM_ARG_ID_MOVERIGHT    (103)
 568         char                    **argv;
 569 };
 570
 571 /* quirks */
 572 struct quirk {
 573         TAILQ_ENTRY(quirk)      entry;
 574         char                    *class;
 575         char                    *name;
 576         unsigned long           quirk;
 577 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 578 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 579 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 580 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 581 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 582 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 583 };
 584 TAILQ_HEAD(quirk_list, quirk);
 585 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 586
 587 /*
 588  * Supported EWMH hints should be added to
 589  * both the enum and the ewmh array
 590  */
 591 enum {
 592         _NET_ACTIVE_WINDOW,
 593         _NET_CLOSE_WINDOW,
 594         _NET_MOVERESIZE_WINDOW,
 595         _NET_WM_ACTION_CLOSE,
 596         _NET_WM_ACTION_FULLSCREEN,
 597         _NET_WM_ACTION_MOVE,
 598         _NET_WM_ACTION_RESIZE,
 599         _NET_WM_ALLOWED_ACTIONS,
 600         _NET_WM_STATE,
 601         _NET_WM_STATE_ABOVE,
 602         _NET_WM_STATE_FULLSCREEN,
 603         _NET_WM_STATE_HIDDEN,
 604         _NET_WM_STATE_MAXIMIZED_HORZ,
 605         _NET_WM_STATE_MAXIMIZED_VERT,
 606         _NET_WM_STATE_SKIP_PAGER,
 607         _NET_WM_STATE_SKIP_TASKBAR,
 608         _NET_WM_WINDOW_TYPE,
 609         _NET_WM_WINDOW_TYPE_DIALOG,
 610         _NET_WM_WINDOW_TYPE_DOCK,
 611         _NET_WM_WINDOW_TYPE_NORMAL,
 612         _NET_WM_WINDOW_TYPE_SPLASH,
 613         _NET_WM_WINDOW_TYPE_TOOLBAR,
 614         _NET_WM_WINDOW_TYPE_UTILITY,
 615         _SWM_WM_STATE_MANUAL,
 616         SWM_EWMH_HINT_MAX
 617 };
 618
 619 struct ewmh_hint {
 620         char            *name;
 621         xcb_atom_t      atom;
 622 } ewmh[SWM_EWMH_HINT_MAX] =     {
 623     /* must be in same order as in the enum */
 624     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 625     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 626     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 627     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 628     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 629     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 630     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 631     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 632     {"_NET_WM_STATE", XCB_ATOM_NONE},
 633     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 634     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 635     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 636     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 637     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 638     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 639     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 640     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 641     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 642     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 643     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 644     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 645     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 646     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 647     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 648 };
 649
 650 /* function prototypes */
 651 void     buttonpress(xcb_button_press_event_t *);
 652 void     check_conn(void);
 653 void     clientmessage(xcb_client_message_event_t *);
 654 int      conf_load(char *, int);
 655 void     configurenotify(xcb_configure_notify_event_t *);
 656 void     configurerequest(xcb_configure_request_event_t *);
 657 void     constrain_window(struct ws_win *, struct swm_region *, int);
 658 void     destroynotify(xcb_destroy_notify_event_t *);
 659 void     do_sync(void);
 660 void     enternotify(xcb_enter_notify_event_t *);
 661 void     event_error(xcb_generic_error_t *);
 662 void     event_handle(xcb_generic_event_t *);
 663 char    *expand_tilde(char *);
 664 void     expose(xcb_expose_event_t *);
 665 struct ws_win   *find_window(xcb_window_t);
 666 int      floating_toggle_win(struct ws_win *);
 667 void     focus(struct swm_region *, union arg *);
 668 void     focus_magic(struct ws_win *);
 669 #ifdef SWM_DEBUG
 670 void     focusin(xcb_focus_in_event_t *);
 671 #endif
 672 xcb_atom_t get_atom_from_string(const char *);
 673 #ifdef SWM_DEBUG
 674 char    *get_atom_name(xcb_atom_t);
 675 char    *get_notify_detail_label(uint8_t);
 676 char    *get_notify_mode_label(uint8_t);
 677 #endif
 678 xcb_screen_t    *get_screen(int);
 679 char    *get_win_name(xcb_window_t);
 680 uint32_t getstate(xcb_window_t);
 681 void     grabbuttons(struct ws_win *, int);
 682 void     keypress(xcb_key_press_event_t *);
 683 #ifdef SWM_DEBUG
 684 void     leavenotify(xcb_leave_notify_event_t *);
 685 #endif
 686 void     map_window_raised(xcb_window_t);
 687 void     mapnotify(xcb_map_notify_event_t *);
 688 void     mappingnotify(xcb_mapping_notify_event_t *);
 689 void     maprequest(xcb_map_request_event_t *);
 690 void     new_region(struct swm_screen *, int, int, int, int);
 691 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 692 void     propertynotify(xcb_property_notify_event_t *);
 693 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 694 void     screenchange(xcb_randr_screen_change_notify_event_t *);
 695 void     store_float_geom(struct ws_win *, struct swm_region *);
 696 void     unmanage_window(struct ws_win *);
 697 void     unmapnotify(xcb_unmap_notify_event_t *);
 698 void     update_window(struct ws_win *);
 699 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
 700
 701 char *
 702 expand_tilde(char *s)
 703 {
 704         struct passwd           *ppwd;
 705         int                     i, max;
 706         char                    *user;
 707         const char              *sc = s;
 708         char                    *result;
 709
 710         if (s == NULL)
 711                 errx(1, "expand_tilde: NULL string.");
 712
 713         if (s[0] != '~') {
 714                 result = strdup(sc);
 715                 goto out;
 716         }
 717
 718         ++s;
 719
 720         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
 721                 errx(1, "expand_tilde: sysconf");
 722
 723         if ((user = calloc(1, max + 1)) == NULL)
 724                 errx(1, "expand_tilde: calloc");
 725
 726         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
 727                 user[i] = s[i];
 728         user[i] = '\0';
 729         s = &s[i];
 730
 731         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
 732         if (ppwd == NULL)
 733                 result = strdup(sc);
 734         else
 735                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
 736                         result = NULL;
 737 out:
 738         if (result == NULL)
 739                 errx(1, "expand_tilde: failed to allocate memory.");
 740
 741         return result;
 742 }
 743
 744 int
 745 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 746 {
 747         unsigned int    tmpr, tmpg, tmpb;
 748
 749         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 750                 return (-1);
 751
 752         *rr = RGB_8_TO_16(tmpr);
 753         *gg = RGB_8_TO_16(tmpg);
 754         *bb = RGB_8_TO_16(tmpb);
 755
 756         return (0);
 757 }
 758
 759 xcb_screen_t *
 760 get_screen(int screen)
 761 {
 762         const xcb_setup_t       *r;
 763         xcb_screen_iterator_t   iter;
 764
 765         if ((r = xcb_get_setup(conn)) == NULL) {
 766                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
 767                 check_conn();
 768         }
 769
 770         iter = xcb_setup_roots_iterator(r);
 771         for (; iter.rem; --screen, xcb_screen_next(&iter))
 772                 if (screen == 0)
 773                         return (iter.data);
 774
 775         return (NULL);
 776 }
 777
 778 void
 779 do_sync(void)
 780 {
 781         xcb_get_input_focus_cookie_t    c;
 782         xcb_get_input_focus_reply_t     *r;
 783
 784         /* mimic XSync() */
 785         c = xcb_get_input_focus(conn);
 786         xcb_flush(conn);
 787         r = xcb_get_input_focus_reply(conn, c, NULL);
 788         if (r)
 789                 free(r);
 790 }
 791
 792 void
 793 map_window_raised(xcb_window_t win)
 794 {
 795         uint32_t        val = XCB_STACK_MODE_ABOVE;
 796
 797         xcb_configure_window(conn, win,
 798             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 799
 800         xcb_map_window(conn, win);
 801 }
 802
 803 xcb_atom_t
 804 get_atom_from_string(const char *str)
 805 {
 806         xcb_intern_atom_cookie_t        c;
 807         xcb_intern_atom_reply_t         *r;
 808         xcb_atom_t                      atom;
 809
 810         c = xcb_intern_atom(conn, 0, strlen(str), str);
 811         r = xcb_intern_atom_reply(conn, c, NULL);
 812         if (r) {
 813                 atom = r->atom;
 814                 free(r);
 815
 816                 return (atom);
 817         }
 818
 819         return (XCB_ATOM_NONE);
 820 }
 821
 822 void
 823 update_iconic(struct ws_win *win, int newv)
 824 {
 825         int32_t                         v = newv;
 826
 827         win->iconic = newv;
 828
 829         if (newv)
 830                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 831                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
 832         else
 833                 xcb_delete_property(conn, win->id, a_swm_iconic);
 834 }
 835
 836 int32_t
 837 get_iconic(struct ws_win *win)
 838 {
 839         int32_t                         v = 0;
 840         xcb_get_property_reply_t        *pr = NULL;
 841
 842
 843         pr = xcb_get_property_reply(conn,
 844             xcb_get_property(conn, 0, win->id, a_swm_iconic,
 845             XCB_ATOM_INTEGER, 0, 1), NULL);
 846         if (!pr)
 847                 goto out;
 848         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 849                 goto out;
 850         v = *((int32_t *)xcb_get_property_value(pr));
 851 out:
 852         if (pr)
 853                 free(pr);
 854         return (v);
 855 }
 856
 857 void
 858 setup_ewmh(void)
 859 {
 860         xcb_atom_t                      sup_list;
 861         int                             i, j, num_screens;
 862
 863         sup_list = get_atom_from_string("_NET_SUPPORTED");
 864
 865         for (i = 0; i < LENGTH(ewmh); i++)
 866                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 867
 868         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 869         for (i = 0; i < num_screens; i++) {
 870                 /* Support check window will be created by workaround(). */
 871
 872                 /* Report supported atoms */
 873                 xcb_delete_property(conn, screens[i].root, sup_list);
 874                 for (j = 0; j < LENGTH(ewmh); j++)
 875                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 876                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 877                             &ewmh[j].atom);
 878         }
 879 }
 880
 881 void
 882 teardown_ewmh(void)
 883 {
 884         int                             i, num_screens;
 885         xcb_atom_t                      sup_check, sup_list;
 886         xcb_window_t                    id;
 887         xcb_get_property_cookie_t       pc;
 888         xcb_get_property_reply_t        *pr;
 889
 890         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 891         sup_list = get_atom_from_string("_NET_SUPPORTED");
 892         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 893
 894         for (i = 0; i < num_screens; i++) {
 895                 /* Get the support check window and destroy it */
 896                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
 897                     XCB_ATOM_WINDOW, 0, 1);
 898                 pr = xcb_get_property_reply(conn, pc, NULL);
 899                 if (!pr)
 900                         continue;
 901                 if (pr->format == sup_check) {
 902                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 903
 904                         xcb_destroy_window(conn, id);
 905                         xcb_delete_property(conn, screens[i].root, sup_check);
 906                         xcb_delete_property(conn, screens[i].root, sup_list);
 907                 }
 908                 free(pr);
 909         }
 910 }
 911
 912 void
 913 ewmh_autoquirk(struct ws_win *win)
 914 {
 915         uint32_t                i, n;
 916         xcb_atom_t              *type;
 917         xcb_get_property_cookie_t       c;
 918         xcb_get_property_reply_t        *r;
 919
 920         c = xcb_get_property(conn, 0, win->id,
 921             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 922         r = xcb_get_property_reply(conn, c, NULL);
 923         if (!r)
 924                 return;
 925
 926         n = xcb_get_property_value_length(r);
 927         type = xcb_get_property_value(r);
 928
 929         for (i = 0; i < n; i++) {
 930                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 931                         break;
 932                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 933                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 934                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 935                         win->floating = 1;
 936                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 937                         break;
 938                 }
 939                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 940                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 941                         win->floating = 1;
 942                         win->quirks = SWM_Q_FLOAT;
 943                         break;
 944                 }
 945         }
 946         free(r);
 947 }
 948
 949 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 950 #define EWMH_F_FULLSCREEN               (1<<0)
 951 #define EWMH_F_ABOVE                    (1<<1)
 952 #define EWMH_F_HIDDEN                   (1<<2)
 953 #define EWMH_F_SKIP_PAGER               (1<<3)
 954 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 955 #define SWM_F_MANUAL                    (1<<5)
 956
 957 int
 958 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 959 {
 960         if (!win->ws->r)
 961                 return (0);
 962
 963         if (!win->floating)
 964                 return (0);
 965
 966         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 967             "fullscreen %s\n", win->id, YESNO(fs));
 968
 969         if (fs) {
 970                 if (!win->g_floatvalid)
 971                         store_float_geom(win, win->ws->r);
 972
 973                 win->g = win->ws->r->g;
 974                 win->bordered = 0;
 975         } else {
 976                 if (win->g_floatvalid) {
 977                         /* refloat at last floating relative position */
 978                         win->g = win->g_float;
 979                         X(win) += X(win->ws->r);
 980                         Y(win) += Y(win->ws->r);
 981                 }
 982         }
 983
 984         return (1);
 985 }
 986
 987 void
 988 ewmh_update_actions(struct ws_win *win)
 989 {
 990         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 991         int                     n = 0;
 992
 993         if (win == NULL)
 994                 return;
 995
 996         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 997
 998         if (win->floating) {
 999                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1000                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1001         }
1002
1003         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1004             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1005 }
1006
1007 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1008 #define _NET_WM_STATE_ADD       1    /* add/set property */
1009 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1010
1011 void
1012 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1013 {
1014         unsigned int            mask = 0;
1015         unsigned int            changed = 0;
1016         unsigned int            orig_flags;
1017
1018         if (win == NULL)
1019                 return;
1020
1021         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1022             "action: %ld\n", win->id, (unsigned long)state, action);
1023
1024         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1025                 mask = EWMH_F_FULLSCREEN;
1026         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1027                 mask = EWMH_F_ABOVE;
1028         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1029                 mask = SWM_F_MANUAL;
1030         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1031                 mask = EWMH_F_SKIP_PAGER;
1032         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1033                 mask = EWMH_F_SKIP_TASKBAR;
1034
1035
1036         orig_flags = win->ewmh_flags;
1037
1038         switch (action) {
1039         case _NET_WM_STATE_REMOVE:
1040                 win->ewmh_flags &= ~mask;
1041                 break;
1042         case _NET_WM_STATE_ADD:
1043                 win->ewmh_flags |= mask;
1044                 break;
1045         case _NET_WM_STATE_TOGGLE:
1046                 win->ewmh_flags ^= mask;
1047                 break;
1048         }
1049
1050         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1051
1052         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1053                 if (changed)
1054                         if (!floating_toggle_win(win))
1055                                 win->ewmh_flags = orig_flags; /* revert */
1056         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1057                 if (changed)
1058                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1059         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1060                 if (changed)
1061                         if (!ewmh_set_win_fullscreen(win,
1062                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1063                                 win->ewmh_flags = orig_flags; /* revert */
1064
1065         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1066
1067         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1068                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1069                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1070                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1071         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1072                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1073                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1074                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1075         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1076                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1077                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1078                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1079         if (win->ewmh_flags & EWMH_F_ABOVE)
1080                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1081                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1082                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1083         if (win->ewmh_flags & SWM_F_MANUAL)
1084                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1085                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1086                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1087 }
1088
1089 void
1090 ewmh_get_win_state(struct ws_win *win)
1091 {
1092         xcb_atom_t                      *states;
1093         xcb_get_property_cookie_t       c;
1094         xcb_get_property_reply_t        *r;
1095         int                             i, n;
1096
1097         if (win == NULL)
1098                 return;
1099
1100         win->ewmh_flags = 0;
1101         if (win->floating)
1102                 win->ewmh_flags |= EWMH_F_ABOVE;
1103         if (win->manual)
1104                 win->ewmh_flags |= SWM_F_MANUAL;
1105
1106         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1107             XCB_ATOM_ATOM, 0, UINT32_MAX);
1108         r = xcb_get_property_reply(conn, c, NULL);
1109         if (!r)
1110                 return;
1111
1112         states = xcb_get_property_value(r);
1113         n = xcb_get_property_value_length(r);
1114
1115         for (i = 0; i < n; i++)
1116                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1117
1118         free(r);
1119 }
1120
1121 /* events */
1122 #ifdef SWM_DEBUG
1123 void
1124 dumpwins(struct swm_region *r, union arg *args)
1125 {
1126         struct ws_win                           *win;
1127         uint32_t                                state;
1128         xcb_get_window_attributes_cookie_t      c;
1129         xcb_get_window_attributes_reply_t       *wa;
1130
1131         /* suppress unused warning since var is needed */
1132         (void)args;
1133
1134         if (r->ws == NULL) {
1135                 warnx("dumpwins: invalid workspace");
1136                 return;
1137         }
1138
1139         warnx("=== managed window list ws %02d ===", r->ws->idx);
1140         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1141                 state = getstate(win->id);
1142                 c = xcb_get_window_attributes(conn, win->id);
1143                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1144                 if (wa) {
1145                         warnx("window: 0x%x, map_state: %d, state: %u, "
1146                             "transient: 0x%x", win->id, wa->map_state,
1147                             state, win->transient);
1148                         free(wa);
1149                 } else
1150                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1151                             win->id);
1152         }
1153
1154         warnx("===== unmanaged window list =====");
1155         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1156                 state = getstate(win->id);
1157                 c = xcb_get_window_attributes(conn, win->id);
1158                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1159                 if (wa) {
1160                         warnx("window: 0x%x, map_state: %d, state: %u, "
1161                             "transient: 0x%x", win->id, wa->map_state,
1162                             state, win->transient);
1163                         free(wa);
1164                 } else
1165                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1166                             win->id);
1167         }
1168
1169         warnx("=================================");
1170 }
1171 #else
1172 void
1173 dumpwins(struct swm_region *r, union arg *s)
1174 {
1175         (void)r;
1176         (void)s;
1177 }
1178 #endif /* SWM_DEBUG */
1179
1180 void
1181 sighdlr(int sig)
1182 {
1183         int                     saved_errno, status;
1184         pid_t                   pid;
1185
1186         saved_errno = errno;
1187
1188         switch (sig) {
1189         case SIGCHLD:
1190                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1191                         if (pid == -1) {
1192                                 if (errno == EINTR)
1193                                         continue;
1194 #ifdef SWM_DEBUG
1195                                 if (errno != ECHILD)
1196                                         warn("sighdlr: waitpid");
1197 #endif /* SWM_DEBUG */
1198                                 break;
1199                         }
1200                         if (pid == searchpid)
1201                                 search_resp = 1;
1202
1203 #ifdef SWM_DEBUG
1204                         if (WIFEXITED(status)) {
1205                                 if (WEXITSTATUS(status) != 0)
1206                                         warnx("sighdlr: child exit status: %d",
1207                                             WEXITSTATUS(status));
1208                         } else
1209                                 warnx("sighdlr: child is terminated "
1210                                     "abnormally");
1211 #endif /* SWM_DEBUG */
1212                 }
1213                 break;
1214
1215         case SIGHUP:
1216                 restart_wm = 1;
1217                 break;
1218         case SIGINT:
1219         case SIGTERM:
1220         case SIGQUIT:
1221                 running = 0;
1222                 break;
1223         }
1224
1225         errno = saved_errno;
1226 }
1227
1228 struct pid_e *
1229 find_pid(pid_t pid)
1230 {
1231         struct pid_e            *p = NULL;
1232
1233         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1234
1235         if (pid == 0)
1236                 return (NULL);
1237
1238         TAILQ_FOREACH(p, &pidlist, entry) {
1239                 if (p->pid == pid)
1240                         return (p);
1241         }
1242
1243         return (NULL);
1244 }
1245
1246 uint32_t
1247 name_to_pixel(const char *colorname)
1248 {
1249         uint32_t                        result = 0;
1250         char                            cname[32] = "#";
1251         xcb_screen_t                    *screen;
1252         xcb_colormap_t                  cmap;
1253         xcb_alloc_color_reply_t         *cr;
1254         xcb_alloc_named_color_reply_t   *nr;
1255         uint16_t                        rr, gg, bb;
1256
1257         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1258         cmap = screen->default_colormap;
1259
1260         /* color is in format rgb://rr/gg/bb */
1261         if (strncmp(colorname, "rgb:", 4) == 0) {
1262                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1263                         warnx("could not parse rgb %s", colorname);
1264                 else {
1265                         cr = xcb_alloc_color_reply(conn,
1266                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1267                             NULL);
1268                         if (cr) {
1269                                 result = cr->pixel;
1270                                 free(cr);
1271                         } else
1272                                 warnx("color '%s' not found", colorname);
1273                 }
1274         } else {
1275                 nr = xcb_alloc_named_color_reply(conn,
1276                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1277                             colorname), NULL);
1278                 if (!nr) {
1279                         strlcat(cname, colorname + 2, sizeof cname - 1);
1280                         nr = xcb_alloc_named_color_reply(conn,
1281                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1282                             cname), NULL);
1283                 }
1284                 if (nr) {
1285                         result = nr->pixel;
1286                         free(nr);
1287                 } else
1288                         warnx("color '%s' not found", colorname);
1289         }
1290
1291         return (result);
1292 }
1293
1294 void
1295 setscreencolor(char *val, int i, int c)
1296 {
1297         int     num_screens;
1298
1299         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1300         if (i > 0 && i <= num_screens) {
1301                 screens[i - 1].c[c].pixel = name_to_pixel(val);
1302                 free(screens[i - 1].c[c].name);
1303                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1304                         err(1, "strdup");
1305         } else if (i == -1) {
1306                 for (i = 0; i < num_screens; i++) {
1307                         screens[i].c[c].pixel = name_to_pixel(val);
1308                         free(screens[i].c[c].name);
1309                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1310                                 err(1, "strdup");
1311                 }
1312         } else
1313                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1314                     i, num_screens);
1315 }
1316
1317 void
1318 fancy_stacker(struct workspace *ws)
1319 {
1320         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1321         if (ws->cur_layout->l_stack == vertical_stack)
1322                 snprintf(ws->stacker, sizeof ws->stacker,
1323                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1324                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1325         if (ws->cur_layout->l_stack == horizontal_stack)
1326                 snprintf(ws->stacker, sizeof ws->stacker,
1327                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1328                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1329 }
1330
1331 void
1332 plain_stacker(struct workspace *ws)
1333 {
1334         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1335         if (ws->cur_layout->l_stack == vertical_stack)
1336                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1337                     sizeof ws->stacker);
1338         if (ws->cur_layout->l_stack == horizontal_stack)
1339                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1340                     sizeof ws->stacker);
1341 }
1342
1343 void
1344 custom_region(char *val)
1345 {
1346         unsigned int                    x, y, w, h;
1347         int                             sidx, num_screens;
1348         xcb_screen_t                    *screen;
1349
1350         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1351         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1352                 errx(1, "invalid custom region, "
1353                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1354         if (sidx < 1 || sidx > num_screens)
1355                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1356                     sidx, num_screens);
1357         sidx--;
1358
1359         if ((screen = get_screen(sidx)) == NULL)
1360                 errx(1, "ERROR: can't get screen %d.", sidx);
1361
1362         if (w < 1 || h < 1)
1363                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1364
1365         if (x > screen->width_in_pixels ||
1366             y > screen->height_in_pixels ||
1367             w + x > screen->width_in_pixels ||
1368             h + y > screen->height_in_pixels) {
1369                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1370                     "boundaries (%ux%u)", w, h, x, y,
1371                     screen->width_in_pixels, screen->height_in_pixels);
1372                 return;
1373         }
1374
1375         new_region(&screens[sidx], x, y, w, h);
1376 }
1377
1378 void
1379 socket_setnonblock(int fd)
1380 {
1381         int                     flags;
1382
1383         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1384                 err(1, "fcntl F_GETFL");
1385         flags |= O_NONBLOCK;
1386         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1387                 err(1, "fcntl F_SETFL");
1388 }
1389
1390 void
1391 bar_print(struct swm_region *r, const char *s)
1392 {
1393         size_t                          len;
1394         xcb_rectangle_t                 rect;
1395         uint32_t                        gcv[1];
1396         int32_t                         x = 0;
1397         XGlyphInfo                      info;
1398         XftDraw                         *draw;
1399
1400         len = strlen(s);
1401
1402         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1403
1404         switch (bar_justify) {
1405         case SWM_BAR_JUSTIFY_LEFT:
1406                 x = SWM_BAR_OFFSET;
1407                 break;
1408         case SWM_BAR_JUSTIFY_CENTER:
1409                 x = (WIDTH(r) - info.width) / 2;
1410                 break;
1411         case SWM_BAR_JUSTIFY_RIGHT:
1412                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1413                 break;
1414         }
1415
1416         if (x < SWM_BAR_OFFSET)
1417                 x = SWM_BAR_OFFSET;
1418
1419         rect.x = 0;
1420         rect.y = 0;
1421         rect.width = WIDTH(r->bar);
1422         rect.height = HEIGHT(r->bar);
1423
1424         /* clear back buffer */
1425         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1426         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1427         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1428             sizeof(rect), &rect);
1429
1430         /* draw back buffer */
1431         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1432         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_BACKGROUND, gcv);
1433         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].pixel;
1434         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1435
1436         draw = XftDrawCreate(display, r->bar->buffer,
1437             DefaultVisual(display, r->s->idx),
1438             DefaultColormap(display, r->s->idx));
1439
1440         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1441             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1442             (FcChar8 *)s, len);
1443
1444         XftDrawDestroy(draw);
1445
1446         /* blt */
1447         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1448             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1449 }
1450
1451 void
1452 bar_extra_stop(void)
1453 {
1454         if (bar_pipe[0]) {
1455                 close(bar_pipe[0]);
1456                 bzero(bar_pipe, sizeof bar_pipe);
1457         }
1458         if (bar_pid) {
1459                 kill(bar_pid, SIGTERM);
1460                 bar_pid = 0;
1461         }
1462         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1463         bar_extra = 0;
1464 }
1465
1466 void
1467 bar_class_name(char *s, size_t sz, struct swm_region *r)
1468 {
1469         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1470                 return;
1471         if (r->ws->focus->ch.class_name != NULL)
1472                 strlcat(s, r->ws->focus->ch.class_name, sz);
1473 }
1474
1475 void
1476 bar_title_name(char *s, size_t sz, struct swm_region *r)
1477 {
1478         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1479                 return;
1480         if (r->ws->focus->ch.instance_name != NULL)
1481                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1482 }
1483
1484 void
1485 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1486 {
1487         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1488                 return;
1489
1490         bar_class_name(s, sz, r);
1491         strlcat(s, ":", sz);
1492         bar_title_name(s, sz, r);
1493 }
1494
1495 void
1496 bar_window_float(char *s, size_t sz, struct swm_region *r)
1497 {
1498         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1499                 return;
1500         if (r->ws->focus->floating)
1501                 strlcat(s, "(f)", sz);
1502 }
1503
1504 void
1505 bar_window_name(char *s, size_t sz, struct swm_region *r)
1506 {
1507         char            *title;
1508
1509         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1510                 return;
1511         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1512                 return;
1513
1514         strlcat(s, title, sz);
1515         free(title);
1516 }
1517
1518 int             urgent[SWM_WS_MAX];
1519 void
1520 bar_urgent(char *s, size_t sz)
1521 {
1522         struct ws_win           *win;
1523         int                     i, j, num_screens;
1524         char                    b[8];
1525         xcb_get_property_cookie_t       c;
1526         xcb_icccm_wm_hints_t    hints;
1527
1528         for (i = 0; i < workspace_limit; i++)
1529                 urgent[i] = 0;
1530
1531         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1532         for (i = 0; i < num_screens; i++)
1533                 for (j = 0; j < workspace_limit; j++)
1534                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1535                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1536                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1537                                     &hints, NULL) == 0)
1538                                         continue;
1539                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1540                                         urgent[j] = 1;
1541                         }
1542
1543         for (i = 0; i < workspace_limit; i++) {
1544                 if (urgent[i])
1545                         snprintf(b, sizeof b, "%d ", i + 1);
1546                 else
1547                         snprintf(b, sizeof b, "- ");
1548                 strlcat(s, b, sz);
1549         }
1550 }
1551
1552 void
1553 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1554 {
1555         if (r == NULL || r->ws == NULL)
1556                 return;
1557         if (r->ws->name != NULL)
1558                 strlcat(s, r->ws->name, sz);
1559 }
1560
1561 /* build the default bar format according to the defined enabled options */
1562 void
1563 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1564 {
1565         /* if format provided, just copy the buffers */
1566         if (bar_format != NULL) {
1567                 strlcpy(fmtnew, fmtexp, sz);
1568                 return;
1569         }
1570
1571         /* reset the output buffer */
1572         *fmtnew = '\0';
1573
1574         strlcat(fmtnew, "+N:+I ", sz);
1575         if (stack_enabled)
1576                 strlcat(fmtnew, "+S", sz);
1577         strlcat(fmtnew, " ", sz);
1578
1579         /* only show the workspace name if there's actually one */
1580         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1581                 strlcat(fmtnew, "<+D>", sz);
1582         strlcat(fmtnew, "+3<", sz);
1583
1584         if (clock_enabled) {
1585                 strlcat(fmtnew, fmtexp, sz);
1586                 strlcat(fmtnew, "+4<", sz);
1587         }
1588
1589         /* bar_urgent already adds the space before the last asterisk */
1590         if (urgent_enabled)
1591                 strlcat(fmtnew, "* +U*+4<", sz);
1592
1593         if (title_class_enabled) {
1594                 strlcat(fmtnew, "+C", sz);
1595                 if (title_name_enabled == 0)
1596                         strlcat(fmtnew, "+4<", sz);
1597         }
1598
1599         /* checks needed by the colon and floating strlcat(3) calls below */
1600         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1601                 if (title_name_enabled) {
1602                         if (title_class_enabled)
1603                                 strlcat(fmtnew, ":", sz);
1604                         strlcat(fmtnew, "+T+4<", sz);
1605                 }
1606                 if (window_name_enabled) {
1607                         if (r->ws->focus->floating)
1608                                 strlcat(fmtnew, "+F ", sz);
1609                         strlcat(fmtnew, "+64W ", sz);
1610                 }
1611         }
1612
1613         /* finally add the action script output and the version */
1614         strlcat(fmtnew, "+4<+A+4<+V", sz);
1615 }
1616
1617 void
1618 bar_replace_pad(char *tmp, int *limit, size_t sz)
1619 {
1620         /* special case; no limit given, pad one space, instead */
1621         if (*limit == (int)sz - 1)
1622                 *limit = 1;
1623         snprintf(tmp, sz, "%*s", *limit, " ");
1624 }
1625
1626 /* replaces the bar format character sequences (like in tmux(1)) */
1627 char *
1628 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1629     size_t sz)
1630 {
1631         char                    *ptr;
1632         char                    tmp[SWM_BAR_MAX];
1633         int                     limit, size;
1634         size_t                  len;
1635
1636         /* reset strlcat(3) buffer */
1637         *tmp = '\0';
1638
1639         /* get number, if any */
1640         fmt++;
1641         size = 0;
1642         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1643                 limit = sizeof tmp - 1;
1644         if (limit <= 0 || limit >= (int)sizeof tmp)
1645                 limit = sizeof tmp - 1;
1646
1647         /* there is nothing to replace (ie EOL) */
1648         fmt += size;
1649         if (*fmt == '\0')
1650                 return (fmt);
1651
1652         switch (*fmt) {
1653         case '<':
1654                 bar_replace_pad(tmp, &limit, sizeof tmp);
1655                 break;
1656         case 'A':
1657                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1658                 break;
1659         case 'C':
1660                 bar_class_name(tmp, sizeof tmp, r);
1661                 break;
1662         case 'D':
1663                 bar_workspace_name(tmp, sizeof tmp, r);
1664                 break;
1665         case 'F':
1666                 bar_window_float(tmp, sizeof tmp, r);
1667                 break;
1668         case 'I':
1669                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1670                 break;
1671         case 'N':
1672                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1673                 break;
1674         case 'P':
1675                 bar_class_title_name(tmp, sizeof tmp, r);
1676                 break;
1677         case 'S':
1678                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1679                 break;
1680         case 'T':
1681                 bar_title_name(tmp, sizeof tmp, r);
1682                 break;
1683         case 'U':
1684                 bar_urgent(tmp, sizeof tmp);
1685                 break;
1686         case 'V':
1687                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1688                 break;
1689         case 'W':
1690                 bar_window_name(tmp, sizeof tmp, r);
1691                 break;
1692         default:
1693                 /* unknown character sequence; copy as-is */
1694                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1695                 break;
1696         }
1697
1698         len = strlen(tmp);
1699         ptr = tmp;
1700         if ((int)len < limit)
1701                 limit = len;
1702         while (limit-- > 0) {
1703                 if (*offrep >= sz - 1)
1704                         break;
1705                 fmtrep[(*offrep)++] = *ptr++;
1706         }
1707
1708         fmt++;
1709         return (fmt);
1710 }
1711
1712 void
1713 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1714 {
1715         size_t                  off;
1716
1717         off = 0;
1718         while (*fmt != '\0') {
1719                 if (*fmt != '+') {
1720                         /* skip ordinary characters */
1721                         if (off >= sz - 1)
1722                                 break;
1723                         fmtrep[off++] = *fmt++;
1724                         continue;
1725                 }
1726
1727                 /* character sequence found; replace it */
1728                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1729                 if (off >= sz - 1)
1730                         break;
1731         }
1732
1733         fmtrep[off] = '\0';
1734 }
1735
1736 void
1737 bar_fmt_expand(char *fmtexp, size_t sz)
1738 {
1739         char                    *fmt = NULL;
1740         size_t                  len;
1741         struct tm               tm;
1742         time_t                  tmt;
1743
1744         /* start by grabbing the current time and date */
1745         time(&tmt);
1746         localtime_r(&tmt, &tm);
1747
1748         /* figure out what to expand */
1749         if (bar_format != NULL)
1750                 fmt = bar_format;
1751         else if (bar_format == NULL && clock_enabled)
1752                 fmt = clock_format;
1753         /* if nothing to expand bail out */
1754         if (fmt == NULL) {
1755                 *fmtexp = '\0';
1756                 return;
1757         }
1758
1759         /* copy as-is, just in case the format shouldn't be expanded below */
1760         strlcpy(fmtexp, fmt, sz);
1761         /* finally pass the string through strftime(3) */
1762 #ifndef SWM_DENY_CLOCK_FORMAT
1763         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1764                 warnx("format too long");
1765         fmtexp[len] = '\0';
1766 #endif
1767 }
1768
1769 void
1770 bar_fmt_print(void)
1771 {
1772         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1773         char                    fmtrep[SWM_BAR_MAX];
1774         int                     i, num_screens;
1775         struct swm_region       *r;
1776
1777         /* expand the format by first passing it through strftime(3) */
1778         bar_fmt_expand(fmtexp, sizeof fmtexp);
1779
1780         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1781         for (i = 0; i < num_screens; i++) {
1782                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1783                         if (r->bar == NULL)
1784                                 continue;
1785                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1786                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1787                         bar_print(r, fmtrep);
1788                 }
1789         }
1790 }
1791
1792 void
1793 bar_update(void)
1794 {
1795         size_t                  len;
1796         char                    *b;
1797
1798         if (bar_enabled == 0)
1799                 return;
1800         if (bar_extra && bar_extra_running) {
1801                 /* ignore short reads; it'll correct itself */
1802                 while ((b = fgetln(stdin, &len)) != NULL)
1803                         if (b && b[len - 1] == '\n') {
1804                                 b[len - 1] = '\0';
1805                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1806                         }
1807                 if (b == NULL && errno != EAGAIN) {
1808                         warn("bar_update: bar_extra failed");
1809                         bar_extra_stop();
1810                 }
1811         } else
1812                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1813
1814         bar_fmt_print();
1815         alarm(bar_delay);
1816 }
1817
1818 void
1819 bar_signal(int sig)
1820 {
1821         /* suppress unused warning since var is needed */
1822         (void)sig;
1823
1824         bar_alarm = 1;
1825 }
1826
1827 void
1828 bar_toggle(struct swm_region *r, union arg *args)
1829 {
1830         struct swm_region       *tmpr;
1831         int                     i, num_screens;
1832
1833         /* suppress unused warnings since vars are needed */
1834         (void)r;
1835         (void)args;
1836
1837         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1838
1839         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1840         if (bar_enabled) {
1841                 for (i = 0; i < num_screens; i++)
1842                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1843                                 if (tmpr->bar)
1844                                         xcb_unmap_window(conn, tmpr->bar->id);
1845         } else {
1846                 for (i = 0; i < num_screens; i++)
1847                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1848                                 if (tmpr->bar)
1849                                         map_window_raised(tmpr->bar->id);
1850         }
1851
1852         bar_enabled = !bar_enabled;
1853
1854         stack();
1855         /* must be after stack */
1856         bar_update();
1857
1858         xcb_flush(conn);
1859 }
1860
1861 void
1862 bar_refresh(void)
1863 {
1864         struct swm_region       *r;
1865         uint32_t                wa[2];
1866         int                     i, num_screens;
1867
1868         /* do this here because the conf file is in memory */
1869         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1870                 /* launch external status app */
1871                 bar_extra_running = 1;
1872                 if (pipe(bar_pipe) == -1)
1873                         err(1, "pipe error");
1874                 socket_setnonblock(bar_pipe[0]);
1875                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1876                 if (dup2(bar_pipe[0], 0) == -1)
1877                         err(1, "dup2");
1878                 if (dup2(bar_pipe[1], 1) == -1)
1879                         err(1, "dup2");
1880                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1881                         err(1, "could not disable SIGPIPE");
1882                 switch (bar_pid = fork()) {
1883                 case -1:
1884                         err(1, "cannot fork");
1885                         break;
1886                 case 0: /* child */
1887                         close(bar_pipe[0]);
1888                         execvp(bar_argv[0], bar_argv);
1889                         err(1, "%s external app failed", bar_argv[0]);
1890                         break;
1891                 default: /* parent */
1892                         close(bar_pipe[1]);
1893                         break;
1894                 }
1895         }
1896
1897         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1898         for (i = 0; i < num_screens; i++)
1899                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1900                         if (r->bar == NULL)
1901                                 continue;
1902                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].pixel;
1903                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].pixel;
1904                         xcb_change_window_attributes(conn, r->bar->id,
1905                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1906                 }
1907         bar_update();
1908 }
1909
1910 void
1911 bar_setup(struct swm_region *r)
1912 {
1913         char                    *font, *fontpos, *d, *search;
1914         int                     count;
1915         xcb_screen_t            *screen;
1916         uint32_t                wa[3];
1917         XRenderColor            color;
1918
1919         if ((screen = get_screen(r->s->idx)) == NULL)
1920                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
1921
1922         if (r->bar != NULL)
1923                 return;
1924
1925         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1926                 err(1, "bar_setup: calloc: failed to allocate memory.");
1927
1928         if (bar_font == NULL) {
1929                 if ((d = strdup(bar_fonts)) == NULL)
1930                         errx(1, "insufficient memory.");
1931                 search = d;
1932                 while ((font = strsep(&search, ",")) != NULL) {
1933                         if (*font == '\0')
1934                                 continue;
1935
1936                         DNPRINTF(SWM_D_INIT, "bar_setup: try font %s\n", font);
1937
1938                         count = 0;
1939                         fontpos = font;
1940                         while ((fontpos = index(fontpos, '-'))) {
1941                                 count++;
1942                                 fontpos++;
1943                         }
1944
1945                         if (count == 14)
1946                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
1947                                                 font);
1948                         else
1949                                 bar_font = XftFontOpenName(display, r->s->idx,
1950                                                 font);
1951                         if (!bar_font) {
1952                                 warnx("unable to load font %s", font);
1953                                 continue;
1954                         } else {
1955                                 DNPRINTF(SWM_D_INIT, "successfully opened "
1956                                     "font %s\n", font);
1957                                 break;
1958                         }
1959                 }
1960                 free(d);
1961         }
1962
1963         if (bar_font == NULL)
1964                 errx(1, "unable to open a font");
1965
1966         bar_height = bar_font->height + 2 * bar_border_width;
1967
1968         if (bar_height < 1)
1969                 bar_height = 1;
1970
1971         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
1972
1973         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
1974             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
1975                 warn("unable to allocate Xft color");
1976
1977         X(r->bar) = X(r);
1978         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1979         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1980         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1981
1982         r->bar->id = xcb_generate_id(conn);
1983         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1984         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].pixel;
1985         wa[2] = XCB_EVENT_MASK_EXPOSURE;
1986
1987         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1988             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1989             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1990             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
1991             | XCB_CW_EVENT_MASK, wa);
1992
1993         r->bar->buffer = xcb_generate_id(conn);
1994         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1995             WIDTH(r->bar), HEIGHT(r->bar));
1996
1997         if (xrandr_support)
1998                 xcb_randr_select_input(conn, r->bar->id,
1999                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2000
2001         if (bar_enabled)
2002                 map_window_raised(r->bar->id);
2003
2004         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2005             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2006             HEIGHT(r->bar));
2007
2008         if (signal(SIGALRM, bar_signal) == SIG_ERR)
2009                 err(1, "could not install bar_signal");
2010         bar_refresh();
2011 }
2012
2013 void
2014 bar_cleanup(struct swm_region *r)
2015 {
2016         if (r->bar == NULL)
2017                 return;
2018         xcb_destroy_window(conn, r->bar->id);
2019         xcb_free_pixmap(conn, r->bar->buffer);
2020         free(r->bar);
2021         r->bar = NULL;
2022 }
2023
2024 void
2025 set_win_state(struct ws_win *win, uint16_t state)
2026 {
2027         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2028
2029         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
2030
2031         if (win == NULL)
2032                 return;
2033
2034         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2035             a_state, 32, 2, data);
2036 }
2037
2038 uint32_t
2039 getstate(xcb_window_t w)
2040 {
2041         uint32_t                        result = 0;
2042         xcb_get_property_cookie_t       c;
2043         xcb_get_property_reply_t        *r;
2044
2045         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2046         r = xcb_get_property_reply(conn, c, NULL);
2047
2048         if (r) {
2049                 if (r->type == a_state && r->format == 32 && r->length == 2)
2050                         result = *((uint32_t *)xcb_get_property_value(r));
2051                 free(r);
2052         }
2053
2054         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2055             result);
2056         return (result);
2057 }
2058
2059 void
2060 version(struct swm_region *r, union arg *args)
2061 {
2062         /* suppress unused warnings since vars are needed */
2063         (void)r;
2064         (void)args;
2065
2066         bar_version = !bar_version;
2067         if (bar_version)
2068                 snprintf(bar_vertext, sizeof bar_vertext,
2069                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2070         else
2071                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2072         bar_update();
2073
2074         xcb_flush(conn);
2075 }
2076
2077 void
2078 client_msg(struct ws_win *win, xcb_atom_t a)
2079 {
2080         xcb_client_message_event_t      ev;
2081
2082         if (win == NULL)
2083                 return;
2084
2085         bzero(&ev, sizeof ev);
2086         ev.response_type = XCB_CLIENT_MESSAGE;
2087         ev.window = win->id;
2088         ev.type = a_prot;
2089         ev.format = 32;
2090         ev.data.data32[0] = a;
2091         ev.data.data32[1] = XCB_CURRENT_TIME;
2092
2093         xcb_send_event(conn, 0, win->id,
2094             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2095 }
2096
2097 /* synthetic response to a ConfigureRequest when not making a change */
2098 void
2099 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2100 {
2101         xcb_configure_notify_event_t ce;
2102
2103         if (win == NULL)
2104                 return;
2105
2106         /* send notification of unchanged state. */
2107         bzero(&ce, sizeof(ce));
2108         ce.response_type = XCB_CONFIGURE_NOTIFY;
2109         ce.x = X(win);
2110         ce.y = Y(win);
2111         ce.width = WIDTH(win);
2112         ce.height = HEIGHT(win);
2113         ce.override_redirect = 0;
2114
2115         if (ev == NULL) {
2116                 /* EWMH */
2117                 ce.event = win->id;
2118                 ce.window = win->id;
2119                 ce.border_width = BORDER(win);
2120                 ce.above_sibling = XCB_WINDOW_NONE;
2121         } else {
2122                 /* normal */
2123                 ce.event = ev->window;
2124                 ce.window = ev->window;
2125
2126                 /* make response appear more WM_SIZE_HINTS-compliant */
2127                 if (win->sh.flags)
2128                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2129                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2130                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2131                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2132                             SH_INC_W(win), SH_INC_H(win));
2133
2134                 /* min size */
2135                 if (SH_MIN(win)) {
2136                         /* the hint may be set... to 0! */
2137                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2138                                 ce.width = SH_MIN_W(win);
2139                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2140                                 ce.height = SH_MIN_H(win);
2141                 }
2142
2143                 /* max size */
2144                 if (SH_MAX(win)) {
2145                         /* may also be advertized as 0 */
2146                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2147                                 ce.width = SH_MAX_W(win);
2148                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2149                                 ce.height = SH_MAX_H(win);
2150                 }
2151
2152                 /* resize increment. */
2153                 if (SH_INC(win)) {
2154                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2155                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2156                                     SH_INC_W(win);
2157                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2158                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2159                                     SH_INC_H(win);
2160                 }
2161
2162                 /* adjust x and y for requested border_width. */
2163                 ce.x += BORDER(win) - ev->border_width;
2164                 ce.y += BORDER(win) - ev->border_width;
2165                 ce.border_width = ev->border_width;
2166                 ce.above_sibling = ev->sibling;
2167         }
2168
2169         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2170             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2171             ce.y, ce.width, ce.height, ce.border_width);
2172
2173         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2174             (char *)&ce);
2175 }
2176
2177 int
2178 count_win(struct workspace *ws, int count_transient)
2179 {
2180         struct ws_win           *win;
2181         int                     count = 0;
2182
2183         TAILQ_FOREACH(win, &ws->winlist, entry) {
2184                 if (count_transient == 0 && win->floating)
2185                         continue;
2186                 if (count_transient == 0 && win->transient)
2187                         continue;
2188                 if (win->iconic)
2189                         continue;
2190                 count++;
2191         }
2192         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2193
2194         return (count);
2195 }
2196
2197 void
2198 quit(struct swm_region *r, union arg *args)
2199 {
2200         /* suppress unused warnings since vars are needed */
2201         (void)r;
2202         (void)args;
2203
2204         DNPRINTF(SWM_D_MISC, "quit\n");
2205         running = 0;
2206 }
2207
2208 void
2209 unmap_window(struct ws_win *win)
2210 {
2211         DNPRINTF(SWM_D_EVENT, "unmap_window: window: 0x%x\n", win->id);
2212
2213         if (win == NULL)
2214                 return;
2215
2216         /* don't unmap again */
2217         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2218                 return;
2219
2220         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2221
2222         xcb_unmap_window(conn, win->id);
2223         xcb_change_window_attributes(conn, win->id,
2224             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2225 }
2226
2227 void
2228 unmap_all(void)
2229 {
2230         struct ws_win           *win;
2231         int                     i, j, num_screens;
2232
2233         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2234         for (i = 0; i < num_screens; i++)
2235                 for (j = 0; j < workspace_limit; j++)
2236                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2237                                 unmap_window(win);
2238 }
2239
2240 void
2241 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2242 {
2243         xcb_key_press_event_t   event;
2244         xcb_keycode_t           *keycode;
2245
2246         if (win == NULL)
2247                 return;
2248
2249         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2250
2251         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2252             win->id, *keycode);
2253
2254         bzero(&event, sizeof(event));
2255         event.event = win->id;
2256         event.root = win->s->root;
2257         event.child = XCB_WINDOW_NONE;
2258         event.time = XCB_CURRENT_TIME;
2259         event.event_x = X(win);
2260         event.event_y = Y(win);
2261         event.root_x = 1;
2262         event.root_y = 1;
2263         event.same_screen = 1;
2264         event.detail = *keycode;
2265         event.state = modifiers;
2266
2267         event.response_type = XCB_KEY_PRESS;
2268         xcb_send_event(conn, 1, win->id,
2269             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2270
2271         event.response_type = XCB_KEY_RELEASE;
2272         xcb_send_event(conn, 1, win->id,
2273             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2274
2275         free(keycode);
2276 }
2277
2278 void
2279 restart(struct swm_region *r, union arg *args)
2280 {
2281         /* suppress unused warning since var is needed */
2282         (void)args;
2283
2284         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2285
2286         /* disable alarm because the following code may not be interrupted */
2287         alarm(0);
2288         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2289                 err(1, "can't disable alarm");
2290
2291         bar_extra_stop();
2292         bar_extra = 1;
2293         unmap_all();
2294
2295         XftFontClose(display, bar_font);
2296         XftColorFree(display, DefaultVisual(display, r->s->idx),
2297             DefaultColormap(display, r->s->idx), &bar_font_color);
2298         xcb_key_symbols_free(syms);
2299         xcb_flush(conn);
2300         xcb_disconnect(conn);
2301
2302         execvp(start_argv[0], start_argv);
2303         warn("execvp failed");
2304         quit(NULL, NULL);
2305 }
2306
2307 struct swm_region *
2308 root_to_region(xcb_window_t root)
2309 {
2310         struct swm_region               *r = NULL;
2311         int                             i, num_screens;
2312         xcb_query_pointer_reply_t       *qpr;
2313
2314         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2315
2316         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2317         for (i = 0; i < num_screens; i++)
2318                 if (screens[i].root == root)
2319                         break;
2320
2321         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2322             screens[i].root), NULL);
2323
2324         if (qpr) {
2325                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2326                     qpr->root_x, qpr->root_y);
2327                 /* choose a region based on pointer location */
2328                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2329                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2330                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2331                                 break;
2332                 free(qpr);
2333         }
2334
2335         if (r == NULL)
2336                 r = TAILQ_FIRST(&screens[i].rl);
2337
2338         return (r);
2339 }
2340
2341 struct ws_win *
2342 find_unmanaged_window(xcb_window_t id)
2343 {
2344         struct ws_win           *win;
2345         int                     i, j, num_screens;
2346
2347         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2348         for (i = 0; i < num_screens; i++)
2349                 for (j = 0; j < workspace_limit; j++)
2350                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2351                             entry)
2352                                 if (id == win->id)
2353                                         return (win);
2354         return (NULL);
2355 }
2356
2357 struct ws_win *
2358 find_window(xcb_window_t id)
2359 {
2360         struct ws_win           *win;
2361         int                     i, j, num_screens;
2362         xcb_query_tree_reply_t  *r;
2363
2364         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2365         for (i = 0; i < num_screens; i++)
2366                 for (j = 0; j < workspace_limit; j++)
2367                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2368                                 if (id == win->id)
2369                                         return (win);
2370
2371         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2372         if (!r)
2373                 return (NULL);
2374
2375         /* if we were looking for the parent return that window instead */
2376         if (r->parent == 0 || r->root == r->parent) {
2377                 free(r);
2378                 return (NULL);
2379         }
2380
2381         /* look for parent */
2382         for (i = 0; i < num_screens; i++)
2383                 for (j = 0; j < workspace_limit; j++)
2384                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2385                                 if (r->parent == win->id) {
2386                                         free(r);
2387                                         return (win);
2388                                 }
2389
2390         free(r);
2391         return (NULL);
2392 }
2393
2394 void
2395 spawn(int ws_idx, union arg *args, int close_fd)
2396 {
2397         int                     fd;
2398         char                    *ret = NULL;
2399
2400         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2401
2402         close(xcb_get_file_descriptor(conn));
2403
2404         setenv("LD_PRELOAD", SWM_LIB, 1);
2405
2406         if (asprintf(&ret, "%d", ws_idx) == -1) {
2407                 warn("spawn: asprintf SWM_WS");
2408                 _exit(1);
2409         }
2410         setenv("_SWM_WS", ret, 1);
2411         free(ret);
2412         ret = NULL;
2413
2414         if (asprintf(&ret, "%d", getpid()) == -1) {
2415                 warn("spawn: asprintf _SWM_PID");
2416                 _exit(1);
2417         }
2418         setenv("_SWM_PID", ret, 1);
2419         free(ret);
2420         ret = NULL;
2421
2422         if (setsid() == -1) {
2423                 warn("spawn: setsid");
2424                 _exit(1);
2425         }
2426
2427         if (close_fd) {
2428                 /*
2429                  * close stdin and stdout to prevent interaction between apps
2430                  * and the baraction script
2431                  * leave stderr open to record errors
2432                 */
2433                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2434                         warn("spawn: open");
2435                         _exit(1);
2436                 }
2437                 dup2(fd, STDIN_FILENO);
2438                 dup2(fd, STDOUT_FILENO);
2439                 if (fd > 2)
2440                         close(fd);
2441         }
2442
2443         execvp(args->argv[0], args->argv);
2444
2445         warn("spawn: execvp");
2446         _exit(1);
2447 }
2448
2449 void
2450 kill_refs(struct ws_win *win)
2451 {
2452         int                     i, x, num_screens;
2453         struct swm_region       *r;
2454         struct workspace        *ws;
2455
2456         if (win == NULL)
2457                 return;
2458
2459         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2460         for (i = 0; i < num_screens; i++)
2461                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2462                         for (x = 0; x < workspace_limit; x++) {
2463                                 ws = &r->s->ws[x];
2464                                 if (win == ws->focus)
2465                                         ws->focus = NULL;
2466                                 if (win == ws->focus_prev)
2467                                         ws->focus_prev = NULL;
2468                         }
2469 }
2470
2471 int
2472 validate_win(struct ws_win *testwin)
2473 {
2474         struct ws_win           *win;
2475         struct workspace        *ws;
2476         struct swm_region       *r;
2477         int                     i, x, num_screens;
2478
2479         if (testwin == NULL)
2480                 return (0);
2481
2482         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2483         for (i = 0; i < num_screens; i++)
2484                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2485                         for (x = 0; x < workspace_limit; x++) {
2486                                 ws = &r->s->ws[x];
2487                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2488                                         if (win == testwin)
2489                                                 return (0);
2490                         }
2491         return (1);
2492 }
2493
2494 int
2495 validate_ws(struct workspace *testws)
2496 {
2497         struct swm_region       *r;
2498         struct workspace        *ws;
2499         int                     i, x, num_screens;
2500
2501         /* validate all ws */
2502         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2503         for (i = 0; i < num_screens; i++)
2504                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2505                         for (x = 0; x < workspace_limit; x++) {
2506                                 ws = &r->s->ws[x];
2507                                 if (ws == testws)
2508                                         return (0);
2509                         }
2510         return (1);
2511 }
2512
2513 void
2514 unfocus_win(struct ws_win *win)
2515 {
2516         xcb_window_t            none = XCB_WINDOW_NONE;
2517
2518         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2519
2520         if (win == NULL)
2521                 return;
2522         if (win->ws == NULL)
2523                 return;
2524
2525         if (validate_ws(win->ws))
2526                 return; /* XXX this gets hit with thunderbird, needs fixing */
2527
2528         if (win->ws->r == NULL)
2529                 return;
2530
2531         if (validate_win(win)) {
2532                 kill_refs(win);
2533                 return;
2534         }
2535
2536         if (win->ws->focus == win) {
2537                 win->ws->focus = NULL;
2538                 win->ws->focus_prev = win;
2539         }
2540
2541         if (validate_win(win->ws->focus)) {
2542                 kill_refs(win->ws->focus);
2543                 win->ws->focus = NULL;
2544         }
2545         if (validate_win(win->ws->focus_prev)) {
2546                 kill_refs(win->ws->focus_prev);
2547                 win->ws->focus_prev = NULL;
2548         }
2549
2550         grabbuttons(win, 0);
2551         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2552             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2553         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2554             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2555 }
2556
2557 void
2558 unfocus_all(void)
2559 {
2560         struct ws_win           *win;
2561         int                     i, j, num_screens;
2562
2563         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2564
2565         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2566         for (i = 0; i < num_screens; i++)
2567                 for (j = 0; j < workspace_limit; j++)
2568                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2569                                 unfocus_win(win);
2570 }
2571
2572 void
2573 focus_win(struct ws_win *win)
2574 {
2575         struct ws_win           *cfw = NULL;
2576         xcb_get_input_focus_reply_t     *r;
2577         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2578
2579         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2580
2581         if (win == NULL)
2582                 return;
2583         if (win->ws == NULL)
2584                 return;
2585
2586         if (validate_ws(win->ws))
2587                 return; /* XXX this gets hit with thunderbird, needs fixing */
2588
2589         if (validate_win(win)) {
2590                 kill_refs(win);
2591                 return;
2592         }
2593
2594         if (validate_win(win)) {
2595                 kill_refs(win);
2596                 return;
2597         }
2598
2599         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2600         if (r) {
2601                 cur_focus = r->focus;
2602                 free(r);
2603         }
2604         if ((cfw = find_window(cur_focus)) != NULL)
2605                 unfocus_win(cfw);
2606         else {
2607 #if 0
2608                 /* use larger hammer since the window was killed somehow */
2609                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2610                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2611                                 xcb_change_window_attributes(conn, cfw->id,
2612                                     XCB_CW_BORDER_PIXEL,
2613                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2614 #endif
2615         }
2616
2617         win->ws->focus = win;
2618
2619         if (win->ws->r != NULL) {
2620                 if (win->java == 0)
2621                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2622                             win->id, XCB_CURRENT_TIME);
2623                 grabbuttons(win, 1);
2624                 xcb_change_window_attributes(conn, win->id,
2625                     XCB_CW_BORDER_PIXEL,
2626                     &win->ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
2627                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2628                     win->ws->always_raise)
2629                         map_window_raised(win->id);
2630
2631                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2632                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2633                     &win->id);
2634         }
2635
2636         bar_update();
2637 }
2638
2639 void
2640 event_drain(uint8_t rt)
2641 {
2642         xcb_generic_event_t     *evt;
2643
2644         xcb_flush(conn);
2645         while ((evt = xcb_poll_for_event(conn))) {
2646                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2647                         event_handle(evt);
2648
2649                 free(evt);
2650         }
2651 }
2652
2653 void
2654 switchws(struct swm_region *r, union arg *args)
2655 {
2656         int                     wsid = args->id, unmap_old = 0;
2657         struct swm_region       *this_r, *other_r;
2658         struct ws_win           *win;
2659         struct workspace        *new_ws, *old_ws;
2660         union arg               a;
2661
2662         if (!(r && r->s))
2663                 return;
2664
2665         if (wsid >= workspace_limit)
2666                 return;
2667
2668         this_r = r;
2669         old_ws = this_r->ws;
2670         new_ws = &this_r->s->ws[wsid];
2671
2672         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2673             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2674
2675         if (new_ws == NULL || old_ws == NULL)
2676                 return;
2677         if (new_ws == old_ws)
2678                 return;
2679
2680         other_r = new_ws->r;
2681         if (other_r == NULL) {
2682                 /* the other workspace is hidden, hide this one */
2683                 old_ws->r = NULL;
2684                 unmap_old = 1;
2685         } else {
2686                 /* the other ws is visible in another region, exchange them */
2687                 other_r->ws_prior = new_ws;
2688                 other_r->ws = old_ws;
2689                 old_ws->r = other_r;
2690         }
2691         this_r->ws_prior = old_ws;
2692         this_r->ws = new_ws;
2693         new_ws->r = this_r;
2694
2695         /* this is needed so that we can click on a window after a restart */
2696         unfocus_all();
2697
2698         stack();
2699         a.id = SWM_ARG_ID_FOCUSCUR;
2700         focus(new_ws->r, &a);
2701
2702         /* unmap old windows */
2703         if (unmap_old)
2704                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2705                         unmap_window(win);
2706
2707         if (focus_mode == SWM_FOCUS_DEFAULT)
2708                 event_drain(XCB_ENTER_NOTIFY);
2709         else
2710                 xcb_flush(conn);
2711
2712         DNPRINTF(SWM_D_WS, "switchws: done\n");
2713 }
2714
2715 void
2716 cyclews(struct swm_region *r, union arg *args)
2717 {
2718         union                   arg a;
2719         struct swm_screen       *s = r->s;
2720         int                     cycle_all = 0;
2721
2722         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2723             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2724
2725         a.id = r->ws->idx;
2726         do {
2727                 switch (args->id) {
2728                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2729                         cycle_all = 1;
2730                         /* FALLTHROUGH */
2731                 case SWM_ARG_ID_CYCLEWS_UP:
2732                         if (a.id < workspace_limit - 1)
2733                                 a.id++;
2734                         else
2735                                 a.id = 0;
2736                         break;
2737                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2738                         cycle_all = 1;
2739                         /* FALLTHROUGH */
2740                 case SWM_ARG_ID_CYCLEWS_DOWN:
2741                         if (a.id > 0)
2742                                 a.id--;
2743                         else
2744                                 a.id = workspace_limit - 1;
2745                         break;
2746                 default:
2747                         return;
2748                 };
2749
2750                 if (!cycle_all &&
2751                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2752                         continue;
2753                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2754                         continue;
2755
2756                 switchws(r, &a);
2757         } while (a.id != r->ws->idx);
2758 }
2759
2760 void
2761 priorws(struct swm_region *r, union arg *args)
2762 {
2763         union arg               a;
2764
2765         (void)args;
2766
2767         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2768             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2769
2770         if (r->ws_prior == NULL)
2771                 return;
2772
2773         a.id = r->ws_prior->idx;
2774         switchws(r, &a);
2775 }
2776
2777 void
2778 cyclescr(struct swm_region *r, union arg *args)
2779 {
2780         struct swm_region       *rr = NULL;
2781         union arg               a;
2782         int                     i, x, y, num_screens;
2783
2784         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2785         /* do nothing if we don't have more than one screen */
2786         if (!(num_screens > 1 || outputs > 1))
2787                 return;
2788
2789         i = r->s->idx;
2790         switch (args->id) {
2791         case SWM_ARG_ID_CYCLESC_UP:
2792                 rr = TAILQ_NEXT(r, entry);
2793                 if (rr == NULL)
2794                         rr = TAILQ_FIRST(&screens[i].rl);
2795                 break;
2796         case SWM_ARG_ID_CYCLESC_DOWN:
2797                 rr = TAILQ_PREV(r, swm_region_list, entry);
2798                 if (rr == NULL)
2799                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2800                 break;
2801         default:
2802                 return;
2803         };
2804         if (rr == NULL)
2805                 return;
2806
2807         /* move mouse to region */
2808         x = X(rr) + 1;
2809         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2810         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2811             x, y);
2812
2813         a.id = SWM_ARG_ID_FOCUSCUR;
2814         focus(rr, &a);
2815
2816         if (rr->ws->focus) {
2817                 /* move to focus window */
2818                 x = X(rr->ws->focus) + 1;
2819                 y = Y(rr->ws->focus) + 1;
2820                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2821                     0, x, y);
2822         }
2823 }
2824
2825 void
2826 sort_windows(struct ws_win_list *wl)
2827 {
2828         struct ws_win           *win, *parent, *nxt;
2829
2830         if (wl == NULL)
2831                 return;
2832
2833         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2834                 nxt = TAILQ_NEXT(win, entry);
2835                 if (win->transient) {
2836                         parent = find_window(win->transient);
2837                         if (parent == NULL) {
2838                                 warnx("not possible bug");
2839                                 continue;
2840                         }
2841                         TAILQ_REMOVE(wl, win, entry);
2842                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2843                 }
2844         }
2845
2846 }
2847
2848 void
2849 swapwin(struct swm_region *r, union arg *args)
2850 {
2851         struct ws_win           *target, *source;
2852         struct ws_win           *cur_focus;
2853         struct ws_win_list      *wl;
2854
2855
2856         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2857             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2858
2859         cur_focus = r->ws->focus;
2860         if (cur_focus == NULL)
2861                 return;
2862
2863         source = cur_focus;
2864         wl = &source->ws->winlist;
2865
2866         switch (args->id) {
2867         case SWM_ARG_ID_SWAPPREV:
2868                 if (source->transient)
2869                         source = find_window(source->transient);
2870                 target = TAILQ_PREV(source, ws_win_list, entry);
2871                 if (target && target->transient)
2872                         target = find_window(target->transient);
2873                 TAILQ_REMOVE(wl, source, entry);
2874                 if (target == NULL)
2875                         TAILQ_INSERT_TAIL(wl, source, entry);
2876                 else
2877                         TAILQ_INSERT_BEFORE(target, source, entry);
2878                 break;
2879         case SWM_ARG_ID_SWAPNEXT:
2880                 target = TAILQ_NEXT(source, entry);
2881                 /* move the parent and let the sort handle the move */
2882                 if (source->transient)
2883                         source = find_window(source->transient);
2884                 TAILQ_REMOVE(wl, source, entry);
2885                 if (target == NULL)
2886                         TAILQ_INSERT_HEAD(wl, source, entry);
2887                 else
2888                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2889                 break;
2890         case SWM_ARG_ID_SWAPMAIN:
2891                 target = TAILQ_FIRST(wl);
2892                 if (target == source) {
2893                         if (source->ws->focus_prev != NULL &&
2894                             source->ws->focus_prev != target)
2895                                 source = source->ws->focus_prev;
2896                         else
2897                                 return;
2898                 }
2899                 if (target == NULL || source == NULL)
2900                         return;
2901                 source->ws->focus_prev = target;
2902                 TAILQ_REMOVE(wl, target, entry);
2903                 TAILQ_INSERT_BEFORE(source, target, entry);
2904                 TAILQ_REMOVE(wl, source, entry);
2905                 TAILQ_INSERT_HEAD(wl, source, entry);
2906                 break;
2907         case SWM_ARG_ID_MOVELAST:
2908                 TAILQ_REMOVE(wl, source, entry);
2909                 TAILQ_INSERT_TAIL(wl, source, entry);
2910                 break;
2911         default:
2912                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2913                 return;
2914         }
2915
2916         sort_windows(wl);
2917
2918         stack();
2919
2920         xcb_flush(conn);
2921 }
2922
2923 void
2924 focus_prev(struct ws_win *win)
2925 {
2926         struct ws_win           *winfocus = NULL;
2927         struct ws_win           *cur_focus = NULL;
2928         struct ws_win_list      *wl = NULL;
2929         struct workspace        *ws = NULL;
2930
2931         if (!(win && win->ws))
2932                 return;
2933
2934         ws = win->ws;
2935         wl = &ws->winlist;
2936         cur_focus = ws->focus;
2937
2938         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2939             WINID(win), WINID(cur_focus));
2940
2941         /* pickle, just focus on whatever */
2942         if (cur_focus == NULL) {
2943                 /* use prev_focus if valid */
2944                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2945                     find_window(WINID(ws->focus_prev)))
2946                         winfocus = ws->focus_prev;
2947                 goto done;
2948         }
2949
2950         /* if transient focus on parent */
2951         if (cur_focus->transient) {
2952                 winfocus = find_window(cur_focus->transient);
2953                 goto done;
2954         }
2955
2956         /* if in max_stack try harder */
2957         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2958             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2959                 if (cur_focus != ws->focus_prev)
2960                         winfocus = ws->focus_prev;
2961                 else
2962                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2963                 if (winfocus)
2964                         goto done;
2965         }
2966
2967         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2968
2969         if (winfocus == NULL || winfocus == win) {
2970                 switch (focus_close) {
2971                 case SWM_STACK_BOTTOM:
2972                         winfocus = TAILQ_FIRST(wl);
2973                         break;
2974                 case SWM_STACK_TOP:
2975                         winfocus = TAILQ_LAST(wl, ws_win_list);
2976                         break;
2977                 case SWM_STACK_ABOVE:
2978                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2979                                 if (focus_close_wrap)
2980                                         winfocus = TAILQ_FIRST(wl);
2981                                 else
2982                                         winfocus = TAILQ_PREV(cur_focus,
2983                                             ws_win_list, entry);
2984                         }
2985                         break;
2986                 case SWM_STACK_BELOW:
2987                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2988                             entry)) == NULL) {
2989                                 if (focus_close_wrap)
2990                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2991                                 else
2992                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2993                         }
2994                         break;
2995                 }
2996         }
2997 done:
2998         if (winfocus == NULL) {
2999                 if (focus_default == SWM_STACK_TOP)
3000                         winfocus = TAILQ_LAST(wl, ws_win_list);
3001                 else
3002                         winfocus = TAILQ_FIRST(wl);
3003         }
3004
3005         kill_refs(win);
3006         focus_magic(winfocus);
3007 }
3008
3009 void
3010 focus(struct swm_region *r, union arg *args)
3011 {
3012         struct ws_win           *winfocus = NULL, *head;
3013         struct ws_win           *cur_focus = NULL;
3014         struct ws_win_list      *wl = NULL;
3015         struct workspace        *ws = NULL;
3016         int                     all_iconics;
3017
3018         if (!(r && r->ws))
3019                 return;
3020
3021         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3022
3023         /* treat FOCUS_CUR special */
3024         if (args->id == SWM_ARG_ID_FOCUSCUR) {
3025                 if (r->ws->focus && r->ws->focus->iconic == 0)
3026                         winfocus = r->ws->focus;
3027                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
3028                         winfocus = r->ws->focus_prev;
3029                 else
3030                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3031                                 if (winfocus->iconic == 0)
3032                                         break;
3033
3034                 focus_magic(winfocus);
3035                 return;
3036         }
3037
3038         if ((cur_focus = r->ws->focus) == NULL)
3039                 return;
3040         ws = r->ws;
3041         wl = &ws->winlist;
3042         if (TAILQ_EMPTY(wl))
3043                 return;
3044         /* make sure there is at least one uniconified window */
3045         all_iconics = 1;
3046         TAILQ_FOREACH(winfocus, wl, entry)
3047                 if (winfocus->iconic == 0) {
3048                         all_iconics = 0;
3049                         break;
3050                 }
3051         if (all_iconics)
3052                 return;
3053
3054         switch (args->id) {
3055         case SWM_ARG_ID_FOCUSPREV:
3056                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3057                 if (head == NULL)
3058                         head = TAILQ_LAST(wl, ws_win_list);
3059                 winfocus = head;
3060                 if (WINID(winfocus) == cur_focus->transient) {
3061                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3062                         if (head == NULL)
3063                                 head = TAILQ_LAST(wl, ws_win_list);
3064                         winfocus = head;
3065                 }
3066
3067                 /* skip iconics */
3068                 if (winfocus && winfocus->iconic) {
3069                         while (winfocus != cur_focus) {
3070                                 if (winfocus == NULL)
3071                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3072                                 if (winfocus->iconic == 0)
3073                                         break;
3074                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3075                                     entry);
3076                         }
3077                 }
3078                 break;
3079
3080         case SWM_ARG_ID_FOCUSNEXT:
3081                 head = TAILQ_NEXT(cur_focus, entry);
3082                 if (head == NULL)
3083                         head = TAILQ_FIRST(wl);
3084                 winfocus = head;
3085
3086                 /* skip iconics */
3087                 if (winfocus && winfocus->iconic) {
3088                         while (winfocus != cur_focus) {
3089                                 if (winfocus == NULL)
3090                                         winfocus = TAILQ_FIRST(wl);
3091                                 if (winfocus->iconic == 0)
3092                                         break;
3093                                 winfocus = TAILQ_NEXT(winfocus, entry);
3094                         }
3095                 }
3096                 break;
3097
3098         case SWM_ARG_ID_FOCUSMAIN:
3099                 winfocus = TAILQ_FIRST(wl);
3100                 if (winfocus == cur_focus)
3101                         winfocus = cur_focus->ws->focus_prev;
3102                 break;
3103
3104         default:
3105                 return;
3106         }
3107
3108         focus_magic(winfocus);
3109
3110         xcb_flush(conn);
3111 }
3112
3113 void
3114 cycle_layout(struct swm_region *r, union arg *args)
3115 {
3116         struct workspace        *ws = r->ws;
3117         union arg               a;
3118
3119         /* suppress unused warning since var is needed */
3120         (void)args;
3121
3122         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3123
3124         ws->cur_layout++;
3125         if (ws->cur_layout->l_stack == NULL)
3126                 ws->cur_layout = &layouts[0];
3127
3128         stack();
3129         bar_update();
3130
3131         if (focus_mode == SWM_FOCUS_DEFAULT)
3132                 event_drain(XCB_ENTER_NOTIFY);
3133
3134         a.id = SWM_ARG_ID_FOCUSCUR;
3135         focus(r, &a);
3136 }
3137
3138 void
3139 stack_config(struct swm_region *r, union arg *args)
3140 {
3141         struct workspace        *ws = r->ws;
3142
3143         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3144             args->id, ws->idx);
3145
3146         if (ws->cur_layout->l_config != NULL)
3147                 ws->cur_layout->l_config(ws, args->id);
3148
3149         if (args->id != SWM_ARG_ID_STACKINIT)
3150                 stack();
3151         bar_update();
3152 }
3153
3154 void
3155 stack(void) {
3156         struct swm_geometry     g;
3157         struct swm_region       *r;
3158         int                     i, num_screens;
3159 #ifdef SWM_DEBUG
3160         int j;
3161 #endif
3162
3163         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3164
3165         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3166         for (i = 0; i < num_screens; i++) {
3167 #ifdef SWM_DEBUG
3168                 j = 0;
3169 #endif
3170                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3171                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3172                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3173
3174                         /* start with screen geometry, adjust for bar */
3175                         g = r->g;
3176                         g.w -= 2 * border_width;
3177                         g.h -= 2 * border_width;
3178                         if (bar_enabled) {
3179                                 if (!bar_at_bottom)
3180                                         g.y += bar_height;
3181                                 g.h -= bar_height;
3182                         }
3183                         r->ws->cur_layout->l_stack(r->ws, &g);
3184                         r->ws->cur_layout->l_string(r->ws);
3185                         /* save r so we can track region changes */
3186                         r->ws->old_r = r;
3187                 }
3188         }
3189         if (font_adjusted)
3190                 font_adjusted--;
3191
3192         if (focus_mode == SWM_FOCUS_DEFAULT)
3193                 event_drain(XCB_ENTER_NOTIFY);
3194
3195         DNPRINTF(SWM_D_STACK, "stack: end\n");
3196 }
3197
3198 void
3199 store_float_geom(struct ws_win *win, struct swm_region *r)
3200 {
3201         /* retain window geom and region geom */
3202         win->g_float = win->g;
3203         win->g_float.x -= X(r);
3204         win->g_float.y -= Y(r);
3205         win->g_floatvalid = 1;
3206         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3207             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3208             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3209             win->g_float.w, win->g_float.h);
3210 }
3211
3212 void
3213 stack_floater(struct ws_win *win, struct swm_region *r)
3214 {
3215         if (win == NULL)
3216                 return;
3217
3218         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3219
3220         /*
3221          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3222          * geom on ws switches or return from max mode
3223          */
3224         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3225             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3226                 /* refloat at last floating relative position */
3227                 win->g = win->g_float;
3228                 X(win) += X(r);
3229                 Y(win) += Y(r);
3230         }
3231
3232         win->floatmaxed = 0;
3233
3234         /*
3235          * if set to fullscreen mode, configure window to maximum size.
3236          */
3237         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3238                 if (!win->g_floatvalid)
3239                         store_float_geom(win, win->ws->r);
3240
3241                 win->g = win->ws->r->g;
3242         }
3243
3244         /*
3245          * remove border on fullscreen floater when in fullscreen mode or when
3246          * the quirk is present.
3247          */
3248         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3249             ((win->quirks & SWM_Q_FULLSCREEN) &&
3250              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3251                 if (win->bordered) {
3252                         win->bordered = 0;
3253                         X(win) += border_width;
3254                         Y(win) += border_width;
3255                 }
3256         } else if (!win->bordered) {
3257                 win->bordered = 1;
3258                 X(win) -= border_width;
3259                 Y(win) -= border_width;
3260         }
3261
3262         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3263                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3264                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3265         }
3266
3267         if (!win->manual) {
3268                 /*
3269                  * floaters and transients are auto-centred unless moved
3270                  * or resized
3271                  */
3272                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3273                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3274         }
3275
3276         /* keep window within region bounds */
3277         constrain_window(win, r, 0);
3278
3279         update_window(win);
3280 }
3281
3282 /*
3283  * Send keystrokes to terminal to decrease/increase the font size as the
3284  * window size changes.
3285  */
3286 void
3287 adjust_font(struct ws_win *win)
3288 {
3289         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3290             win->floating || win->transient)
3291                 return;
3292
3293         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3294             WIDTH(win) / win->sh.width_inc < term_width &&
3295             win->font_steps < SWM_MAX_FONT_STEPS) {
3296                 win->font_size_boundary[win->font_steps] =
3297                     (win->sh.width_inc * term_width) + win->sh.base_width;
3298                 win->font_steps++;
3299                 font_adjusted++;
3300                 win->last_inc = win->sh.width_inc;
3301                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3302         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3303             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3304                 win->font_steps--;
3305                 font_adjusted++;
3306                 win->last_inc = win->sh.width_inc;
3307                 fake_keypress(win, XK_KP_Add, ShiftMask);
3308         }
3309 }
3310
3311 #define SWAPXY(g)       do {                            \
3312         int tmp;                                        \
3313         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3314         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3315 } while (0)
3316 void
3317 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3318 {
3319         struct swm_geometry     win_g, r_g = *g;
3320         struct ws_win           *win, *fs_win = NULL;
3321         int                     i, j, s, stacks;
3322         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3323         int                     hrh, extra = 0, h_slice, last_h = 0;
3324         int                     split, colno, winno, mwin, msize, mscale;
3325         int                     remain, missing, v_slice, reconfigure;
3326         int                     bordered = 1;
3327         xcb_get_window_attributes_reply_t *war;
3328
3329         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3330             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3331
3332         winno = count_win(ws, 0);
3333         if (winno == 0 && count_win(ws, 1) == 0)
3334                 return;
3335
3336         TAILQ_FOREACH(win, &ws->winlist, entry)
3337                 if (win->transient == 0 && win->floating == 0
3338                     && win->iconic == 0)
3339                         break;
3340
3341         if (win == NULL)
3342                 goto notiles;
3343
3344         if (rot) {
3345                 w_inc = win->sh.width_inc;
3346                 w_base = win->sh.base_width;
3347                 mwin = ws->l_state.horizontal_mwin;
3348                 mscale = ws->l_state.horizontal_msize;
3349                 stacks = ws->l_state.horizontal_stacks;
3350                 SWAPXY(&r_g);
3351         } else {
3352                 w_inc = win->sh.height_inc;
3353                 w_base = win->sh.base_height;
3354                 mwin = ws->l_state.vertical_mwin;
3355                 mscale = ws->l_state.vertical_msize;
3356                 stacks = ws->l_state.vertical_stacks;
3357         }
3358         win_g = r_g;
3359
3360         if (stacks > winno - mwin)
3361                 stacks = winno - mwin;
3362         if (stacks < 1)
3363                 stacks = 1;
3364
3365         h_slice = r_g.h / SWM_H_SLICE;
3366         if (mwin && winno > mwin) {
3367                 v_slice = r_g.w / SWM_V_SLICE;
3368
3369                 split = mwin;
3370                 colno = split;
3371                 win_g.w = v_slice * mscale;
3372
3373                 if (w_inc > 1 && w_inc < v_slice) {
3374                         /* adjust for window's requested size increment */
3375                         remain = (win_g.w - w_base) % w_inc;
3376                         win_g.w -= remain;
3377                 }
3378
3379                 msize = win_g.w;
3380                 if (flip)
3381                         win_g.x += r_g.w - msize;
3382         } else {
3383                 msize = -2;
3384                 colno = split = winno / stacks;
3385                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3386                     2 * border_width) / stacks);
3387         }
3388         hrh = r_g.h / colno;
3389         extra = r_g.h - (colno * hrh);
3390         win_g.h = hrh - 2 * border_width;
3391
3392         /*  stack all the tiled windows */
3393         i = j = 0, s = stacks;
3394         TAILQ_FOREACH(win, &ws->winlist, entry) {
3395                 if (win->transient != 0 || win->floating != 0)
3396                         continue;
3397                 if (win->iconic != 0)
3398                         continue;
3399
3400                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3401                         fs_win = win;
3402                         continue;
3403                 }
3404
3405                 if (split && i == split) {
3406                         colno = (winno - mwin) / stacks;
3407                         if (s <= (winno - mwin) % stacks)
3408                                 colno++;
3409                         split = split + colno;
3410                         hrh = (r_g.h / colno);
3411                         extra = r_g.h - (colno * hrh);
3412                         if (flip)
3413                                 win_g.x = r_g.x;
3414                         else
3415                                 win_g.x += win_g.w + 2 * border_width;
3416                         win_g.w = (r_g.w - msize -
3417                             (stacks * 2 * border_width)) / stacks;
3418                         if (s == 1)
3419                                 win_g.w += (r_g.w - msize -
3420                                     (stacks * 2 * border_width)) % stacks;
3421                         s--;
3422                         j = 0;
3423                 }
3424                 win_g.h = hrh - 2 * border_width;
3425                 if (rot) {
3426                         h_inc = win->sh.width_inc;
3427                         h_base = win->sh.base_width;
3428                 } else {
3429                         h_inc = win->sh.height_inc;
3430                         h_base = win->sh.base_height;
3431                 }
3432                 if (j == colno - 1) {
3433                         win_g.h = hrh + extra;
3434                 } else if (h_inc > 1 && h_inc < h_slice) {
3435                         /* adjust for window's requested size increment */
3436                         remain = (win_g.h - h_base) % h_inc;
3437                         missing = h_inc - remain;
3438
3439                         if (missing <= extra || j == 0) {
3440                                 extra -= missing;
3441                                 win_g.h += missing;
3442                         } else {
3443                                 win_g.h -= remain;
3444                                 extra += remain;
3445                         }
3446                 }
3447
3448                 if (j == 0)
3449                         win_g.y = r_g.y;
3450                 else
3451                         win_g.y += last_h + 2 * border_width;
3452
3453                 if (disable_border && bar_enabled == 0 && winno == 1){
3454                         bordered = 0;
3455                         win_g.w += 2 * border_width;
3456                         win_g.h += 2 * border_width;
3457                 } else {
3458                         bordered = 1;
3459                 }
3460                 if (rot) {
3461                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3462                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3463                                 reconfigure = 1;
3464                                 X(win) = win_g.y;
3465                                 Y(win) = win_g.x;
3466                                 WIDTH(win) = win_g.h;
3467                                 HEIGHT(win) = win_g.w;
3468                         }
3469                 } else {
3470                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3471                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3472                                 reconfigure = 1;
3473                                 X(win) = win_g.x;
3474                                 Y(win) = win_g.y;
3475                                 WIDTH(win) = win_g.w;
3476                                 HEIGHT(win) = win_g.h;
3477                         }
3478                 }
3479
3480                 if (bordered != win->bordered) {
3481                         reconfigure = 1;
3482                         win->bordered = bordered;
3483                 }
3484
3485                 if (reconfigure) {
3486                         adjust_font(win);
3487                         update_window(win);
3488                 }
3489
3490                 war = xcb_get_window_attributes_reply(conn,
3491                         xcb_get_window_attributes(conn, win->id),
3492                         NULL);
3493                 if (war) {
3494                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3495                                 map_window_raised(win->id);
3496                         free(war);
3497                 }
3498
3499                 last_h = win_g.h;
3500                 i++;
3501                 j++;
3502         }
3503
3504 notiles:
3505         /* now, stack all the floaters and transients */
3506         TAILQ_FOREACH(win, &ws->winlist, entry) {
3507                 if (win->transient == 0 && win->floating == 0)
3508                         continue;
3509                 if (win->iconic == 1)
3510                         continue;
3511                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3512                         fs_win = win;
3513                         continue;
3514                 }
3515
3516                 stack_floater(win, ws->r);
3517                 map_window_raised(win->id);
3518         }
3519
3520         if (fs_win) {
3521                 stack_floater(fs_win, ws->r);
3522                 map_window_raised(fs_win->id);
3523         }
3524 }
3525
3526 void
3527 vertical_config(struct workspace *ws, int id)
3528 {
3529         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3530             id, ws->idx);
3531
3532         switch (id) {
3533         case SWM_ARG_ID_STACKRESET:
3534         case SWM_ARG_ID_STACKINIT:
3535                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3536                 ws->l_state.vertical_mwin = 1;
3537                 ws->l_state.vertical_stacks = 1;
3538                 break;
3539         case SWM_ARG_ID_MASTERSHRINK:
3540                 if (ws->l_state.vertical_msize > 1)
3541                         ws->l_state.vertical_msize--;
3542                 break;
3543         case SWM_ARG_ID_MASTERGROW:
3544                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3545                         ws->l_state.vertical_msize++;
3546                 break;
3547         case SWM_ARG_ID_MASTERADD:
3548                 ws->l_state.vertical_mwin++;
3549                 break;
3550         case SWM_ARG_ID_MASTERDEL:
3551                 if (ws->l_state.vertical_mwin > 0)
3552                         ws->l_state.vertical_mwin--;
3553                 break;
3554         case SWM_ARG_ID_STACKINC:
3555                 ws->l_state.vertical_stacks++;
3556                 break;
3557         case SWM_ARG_ID_STACKDEC:
3558                 if (ws->l_state.vertical_stacks > 1)
3559                         ws->l_state.vertical_stacks--;
3560                 break;
3561         case SWM_ARG_ID_FLIPLAYOUT:
3562                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3563                 break;
3564         default:
3565                 return;
3566         }
3567 }
3568
3569 void
3570 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3571 {
3572         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3573
3574         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3575 }
3576
3577 void
3578 horizontal_config(struct workspace *ws, int id)
3579 {
3580         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3581
3582         switch (id) {
3583         case SWM_ARG_ID_STACKRESET:
3584         case SWM_ARG_ID_STACKINIT:
3585                 ws->l_state.horizontal_mwin = 1;
3586                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3587                 ws->l_state.horizontal_stacks = 1;
3588                 break;
3589         case SWM_ARG_ID_MASTERSHRINK:
3590                 if (ws->l_state.horizontal_msize > 1)
3591                         ws->l_state.horizontal_msize--;
3592                 break;
3593         case SWM_ARG_ID_MASTERGROW:
3594                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3595                         ws->l_state.horizontal_msize++;
3596                 break;
3597         case SWM_ARG_ID_MASTERADD:
3598                 ws->l_state.horizontal_mwin++;
3599                 break;
3600         case SWM_ARG_ID_MASTERDEL:
3601                 if (ws->l_state.horizontal_mwin > 0)
3602                         ws->l_state.horizontal_mwin--;
3603                 break;
3604         case SWM_ARG_ID_STACKINC:
3605                 ws->l_state.horizontal_stacks++;
3606                 break;
3607         case SWM_ARG_ID_STACKDEC:
3608                 if (ws->l_state.horizontal_stacks > 1)
3609                         ws->l_state.horizontal_stacks--;
3610                 break;
3611         case SWM_ARG_ID_FLIPLAYOUT:
3612                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3613                 break;
3614         default:
3615                 return;
3616         }
3617 }
3618
3619 void
3620 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3621 {
3622         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3623
3624         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3625 }
3626
3627 /* fullscreen view */
3628 void
3629 max_stack(struct workspace *ws, struct swm_geometry *g)
3630 {
3631         struct swm_geometry     gg = *g;
3632         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3633         int                     winno, num_screens;
3634
3635         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3636
3637         if (ws == NULL)
3638                 return;
3639
3640         winno = count_win(ws, 0);
3641         if (winno == 0 && count_win(ws, 1) == 0)
3642                 return;
3643
3644         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3645         TAILQ_FOREACH(win, &ws->winlist, entry) {
3646                 if (win->transient) {
3647                         wintrans = win;
3648                         parent = find_window(win->transient);
3649                         continue;
3650                 }
3651
3652                 if (win->floating && win->floatmaxed == 0 ) {
3653                         /*
3654                          * retain geometry for retrieval on exit from
3655                          * max_stack mode
3656                          */
3657                         store_float_geom(win, ws->r);
3658                         win->floatmaxed = 1;
3659                 }
3660
3661                 /* only reconfigure if necessary */
3662                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3663                     HEIGHT(win) != gg.h) {
3664                         win->g = gg;
3665                         if (bar_enabled){
3666                                 win->bordered = 1;
3667                         } else {
3668                                 win->bordered = 0;
3669                                 WIDTH(win) += 2 * border_width;
3670                                 HEIGHT(win) += 2 * border_width;
3671                         }
3672
3673                         update_window(win);
3674                 }
3675                 /* unmap only if we don't have multi screen */
3676                 if (win != ws->focus)
3677                         if (!(num_screens > 1 || outputs > 1))
3678                                 unmap_window(win);
3679         }
3680
3681         /* put the last transient on top */
3682         if (wintrans) {
3683                 if (parent)
3684                         map_window_raised(parent->id);
3685                 stack_floater(wintrans, ws->r);
3686                 focus_magic(wintrans);
3687         }
3688 }
3689
3690 void
3691 send_to_ws(struct swm_region *r, union arg *args)
3692 {
3693         int                     wsid = args->id;
3694         struct ws_win           *win = NULL, *parent;
3695         struct workspace        *ws, *nws;
3696         char                    ws_idx_str[SWM_PROPLEN];
3697         union arg               a;
3698
3699         if (wsid >= workspace_limit)
3700                 return;
3701
3702         if (r && r->ws && r->ws->focus)
3703                 win = r->ws->focus;
3704         else
3705                 return;
3706         if (win == NULL)
3707                 return;
3708         if (win->ws->idx == wsid)
3709                 return;
3710
3711         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3712
3713         ws = win->ws;
3714         nws = &win->s->ws[wsid];
3715
3716         a.id = SWM_ARG_ID_FOCUSPREV;
3717         focus(r, &a);
3718         if (win->transient) {
3719                 parent = find_window(win->transient);
3720                 if (parent) {
3721                         unmap_window(parent);
3722                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3723                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3724                         parent->ws = nws;
3725                 }
3726         }
3727         unmap_window(win);
3728         TAILQ_REMOVE(&ws->winlist, win, entry);
3729         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3730         if (TAILQ_EMPTY(&ws->winlist))
3731                 r->ws->focus = NULL;
3732         win->ws = nws;
3733
3734         /* Try to update the window's workspace property */
3735         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
3736                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3737                     ws_idx_str);
3738                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3739                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3740                     ws_idx_str);
3741         }
3742
3743         stack();
3744         bar_update();
3745
3746         xcb_flush(conn);
3747 }
3748
3749 void
3750 pressbutton(struct swm_region *r, union arg *args)
3751 {
3752         /* suppress unused warning since var is needed */
3753         (void)r;
3754
3755         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3756             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3757         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3758             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3759 }
3760
3761 void
3762 raise_toggle(struct swm_region *r, union arg *args)
3763 {
3764         /* suppress unused warning since var is needed */
3765         (void)args;
3766
3767         if (r == NULL || r->ws == NULL)
3768                 return;
3769
3770         r->ws->always_raise = !r->ws->always_raise;
3771
3772         /* bring floaters back to top */
3773         if (r->ws->always_raise == 0)
3774                 stack();
3775
3776         xcb_flush(conn);
3777 }
3778
3779 void
3780 iconify(struct swm_region *r, union arg *args)
3781 {
3782         union arg a;
3783
3784         /* suppress unused warning since var is needed */
3785         (void)args;
3786
3787         if (r->ws->focus == NULL)
3788                 return;
3789         unmap_window(r->ws->focus);
3790         update_iconic(r->ws->focus, 1);
3791         stack();
3792
3793         r->ws->focus = NULL;
3794         a.id = SWM_ARG_ID_FOCUSCUR;
3795         focus(r, &a);
3796
3797         xcb_flush(conn);
3798 }
3799
3800 char *
3801 get_win_name(xcb_window_t win)
3802 {
3803         char                            *name = NULL;
3804         xcb_get_property_cookie_t       c;
3805         xcb_icccm_get_text_property_reply_t     r;
3806
3807         c = xcb_icccm_get_wm_name(conn, win);
3808         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3809                 if (r.name_len > 0) {
3810                         name = malloc(r.name_len + 1);
3811                         if (name) {
3812                                 memcpy(name, r.name, r.name_len);
3813                                 name[r.name_len] = '\0';
3814                         }
3815                 }
3816                 xcb_icccm_get_text_property_reply_wipe(&r);
3817         }
3818
3819         return (name);
3820 }
3821
3822 void
3823 uniconify(struct swm_region *r, union arg *args)
3824 {
3825         struct ws_win           *win;
3826         FILE                    *lfile;
3827         char                    *name;
3828         int                     count = 0;
3829
3830         DNPRINTF(SWM_D_MISC, "uniconify\n");
3831
3832         if (r == NULL || r->ws == NULL)
3833                 return;
3834
3835         /* make sure we have anything to uniconify */
3836         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3837                 if (win->ws == NULL)
3838                         continue; /* should never happen */
3839                 if (win->iconic == 0)
3840                         continue;
3841                 count++;
3842         }
3843         if (count == 0)
3844                 return;
3845
3846         search_r = r;
3847         search_resp_action = SWM_SEARCH_UNICONIFY;
3848
3849         spawn_select(r, args, "search", &searchpid);
3850
3851         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3852                 return;
3853
3854         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3855                 if (win->ws == NULL)
3856                         continue; /* should never happen */
3857                 if (win->iconic == 0)
3858                         continue;
3859
3860                 name = get_win_name(win->id);
3861                 if (name == NULL)
3862                         continue;
3863                 fprintf(lfile, "%s.%u\n", name, win->id);
3864                 free(name);
3865         }
3866
3867         fclose(lfile);
3868
3869         xcb_flush(conn);
3870 }
3871
3872 void
3873 name_workspace(struct swm_region *r, union arg *args)
3874 {
3875         FILE                    *lfile;
3876
3877         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3878
3879         if (r == NULL)
3880                 return;
3881
3882         search_r = r;
3883         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3884
3885         spawn_select(r, args, "name_workspace", &searchpid);
3886
3887         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3888                 return;
3889
3890         fprintf(lfile, "%s", "");
3891         fclose(lfile);
3892 }
3893
3894 void
3895 search_workspace(struct swm_region *r, union arg *args)
3896 {
3897         int                     i;
3898         struct workspace        *ws;
3899         FILE                    *lfile;
3900
3901         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3902
3903         if (r == NULL)
3904                 return;
3905
3906         search_r = r;
3907         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3908
3909         spawn_select(r, args, "search", &searchpid);
3910
3911         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3912                 return;
3913
3914         for (i = 0; i < workspace_limit; i++) {
3915                 ws = &r->s->ws[i];
3916                 if (ws == NULL)
3917                         continue;
3918                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3919                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3920         }
3921
3922         fclose(lfile);
3923 }
3924
3925 void
3926 search_win_cleanup(void)
3927 {
3928         struct search_window    *sw = NULL;
3929
3930         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3931                 xcb_destroy_window(conn, sw->indicator);
3932                 xcb_free_gc(conn, sw->gc);
3933                 TAILQ_REMOVE(&search_wl, sw, entry);
3934                 free(sw);
3935         }
3936 }
3937
3938 void
3939 search_win(struct swm_region *r, union arg *args)
3940 {
3941         struct ws_win           *win = NULL;
3942         struct search_window    *sw = NULL;
3943         xcb_window_t            w;
3944         uint32_t                gcv[3], wa[2];
3945         int                     i;
3946         char                    s[8];
3947         FILE                    *lfile;
3948         size_t                  len;
3949         XftDraw                 *draw;
3950         XGlyphInfo              info;
3951
3952         DNPRINTF(SWM_D_MISC, "search_win\n");
3953
3954         search_r = r;
3955         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3956
3957         spawn_select(r, args, "search", &searchpid);
3958
3959         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3960                 return;
3961
3962         TAILQ_INIT(&search_wl);
3963
3964         i = 1;
3965         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3966                 if (win->iconic == 1)
3967                         continue;
3968
3969                 sw = calloc(1, sizeof(struct search_window));
3970                 if (sw == NULL) {
3971                         warn("search_win: calloc");
3972                         fclose(lfile);
3973                         search_win_cleanup();
3974                         return;
3975                 }
3976                 sw->idx = i;
3977                 sw->win = win;
3978
3979                 snprintf(s, sizeof s, "%d", i);
3980                 len = strlen(s);
3981
3982                 XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
3983
3984                 w = xcb_generate_id(conn);
3985                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
3986                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
3987                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3988                     info.width + 4, bar_font->height + 4,
3989                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3990                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3991
3992                 sw->indicator = w;
3993                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3994
3995                 sw->gc = xcb_generate_id(conn);
3996                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
3997                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
3998                 gcv[2] = 0;
3999                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
4000                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
4001                 map_window_raised(w);
4002
4003                 draw = XftDrawCreate(display, w,
4004                     DefaultVisual(display, r->s->idx),
4005                     DefaultColormap(display, r->s->idx));
4006
4007                 XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
4008                     (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
4009                     (FcChar8 *)s, len);
4010
4011                 XftDrawDestroy(draw);
4012
4013                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
4014
4015                 fprintf(lfile, "%d\n", i);
4016                 i++;
4017         }
4018
4019         fclose(lfile);
4020
4021         xcb_flush(conn);
4022 }
4023
4024 void
4025 search_resp_uniconify(char *resp, unsigned long len)
4026 {
4027         char                    *name;
4028         struct ws_win           *win;
4029         char                    *s;
4030
4031         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
4032
4033         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4034                 if (win->iconic == 0)
4035                         continue;
4036                 name = get_win_name(win->id);
4037                 if (name == NULL)
4038                         continue;
4039                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4040                         free(name);
4041                         continue;
4042                 }
4043                 free(name);
4044                 if (strncmp(s, resp, len) == 0) {
4045                         /* XXX this should be a callback to generalize */
4046                         update_iconic(win, 0);
4047                         free(s);
4048                         break;
4049                 }
4050                 free(s);
4051         }
4052 }
4053
4054 void
4055 search_resp_name_workspace(char *resp, unsigned long len)
4056 {
4057         struct workspace        *ws;
4058
4059         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4060
4061         if (search_r->ws == NULL)
4062                 return;
4063         ws = search_r->ws;
4064
4065         if (ws->name) {
4066                 free(search_r->ws->name);
4067                 search_r->ws->name = NULL;
4068         }
4069
4070         if (len > 1) {
4071                 ws->name = strdup(resp);
4072                 if (ws->name == NULL) {
4073                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4074                             "strdup: %s", strerror(errno));
4075                         return;
4076                 }
4077         }
4078 }
4079
4080 void
4081 search_resp_search_workspace(char *resp)
4082 {
4083         char                    *p, *q;
4084         int                     ws_idx;
4085         const char              *errstr;
4086         union arg               a;
4087
4088         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4089
4090         q = strdup(resp);
4091         if (!q) {
4092                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4093                     strerror(errno));
4094                 return;
4095         }
4096         p = strchr(q, ':');
4097         if (p != NULL)
4098                 *p = '\0';
4099         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4100         if (errstr) {
4101                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4102                     errstr, q);
4103                 free(q);
4104                 return;
4105         }
4106         free(q);
4107         a.id = ws_idx - 1;
4108         switchws(search_r, &a);
4109 }
4110
4111 void
4112 search_resp_search_window(char *resp)
4113 {
4114         char                    *s;
4115         int                     idx;
4116         const char              *errstr;
4117         struct search_window    *sw;
4118
4119         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4120
4121         s = strdup(resp);
4122         if (!s) {
4123                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4124                     strerror(errno));
4125                 return;
4126         }
4127
4128         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4129         if (errstr) {
4130                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4131                     errstr, s);
4132                 free(s);
4133                 return;
4134         }
4135         free(s);
4136
4137         TAILQ_FOREACH(sw, &search_wl, entry)
4138                 if (idx == sw->idx) {
4139                         focus_win(sw->win);
4140                         break;
4141                 }
4142 }
4143
4144 #define MAX_RESP_LEN    1024
4145
4146 void
4147 search_do_resp(void)
4148 {
4149         ssize_t                 rbytes;
4150         char                    *resp;
4151         unsigned long           len;
4152
4153         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4154
4155         search_resp = 0;
4156         searchpid = 0;
4157
4158         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4159                 warn("search: calloc");
4160                 goto done;
4161         }
4162
4163         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4164         if (rbytes <= 0) {
4165                 warn("search: read error");
4166                 goto done;
4167         }
4168         resp[rbytes] = '\0';
4169
4170         /* XXX:
4171          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4172          * newline, so work around that by sanitizing the resp now.
4173          */
4174         resp[strcspn(resp, "\n")] = '\0';
4175         len = strlen(resp);
4176
4177         switch (search_resp_action) {
4178         case SWM_SEARCH_UNICONIFY:
4179                 search_resp_uniconify(resp, len);
4180                 break;
4181         case SWM_SEARCH_NAME_WORKSPACE:
4182                 search_resp_name_workspace(resp, len);
4183                 break;
4184         case SWM_SEARCH_SEARCH_WORKSPACE:
4185                 search_resp_search_workspace(resp);
4186                 break;
4187         case SWM_SEARCH_SEARCH_WINDOW:
4188                 search_resp_search_window(resp);
4189                 break;
4190         }
4191
4192 done:
4193         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4194                 search_win_cleanup();
4195
4196         search_resp_action = SWM_SEARCH_NONE;
4197         close(select_resp_pipe[0]);
4198         free(resp);
4199 }
4200
4201 void
4202 wkill(struct swm_region *r, union arg *args)
4203 {
4204         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4205
4206         if (r->ws->focus == NULL)
4207                 return;
4208
4209         if (args->id == SWM_ARG_ID_KILLWINDOW)
4210                 xcb_kill_client(conn, r->ws->focus->id);
4211         else
4212                 if (r->ws->focus->can_delete)
4213                         client_msg(r->ws->focus, a_delete);
4214
4215         xcb_flush(conn);
4216 }
4217
4218
4219 int
4220 floating_toggle_win(struct ws_win *win)
4221 {
4222         struct swm_region       *r;
4223
4224         if (win == NULL)
4225                 return (0);
4226
4227         if (!win->ws->r)
4228                 return (0);
4229
4230         r = win->ws->r;
4231
4232         /* reject floating toggles in max stack mode */
4233         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4234                 return (0);
4235
4236         if (win->floating) {
4237                 if (!win->floatmaxed) {
4238                         /* retain position for refloat */
4239                         store_float_geom(win, r);
4240                 }
4241                 win->floating = 0;
4242         } else {
4243                 if (win->g_floatvalid) {
4244                         /* refloat at last floating relative position */
4245                         X(win) = win->g_float.x + X(r);
4246                         Y(win) = win->g_float.y + Y(r);
4247                         WIDTH(win) = win->g_float.w;
4248                         HEIGHT(win) = win->g_float.h;
4249                 }
4250                 win->floating = 1;
4251         }
4252
4253         ewmh_update_actions(win);
4254
4255         return (1);
4256 }
4257
4258 void
4259 floating_toggle(struct swm_region *r, union arg *args)
4260 {
4261         struct ws_win           *win = r->ws->focus;
4262         union arg               a;
4263
4264         /* suppress unused warning since var is needed */
4265         (void)args;
4266
4267         if (win == NULL)
4268                 return;
4269
4270         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4271             _NET_WM_STATE_TOGGLE);
4272
4273         stack();
4274
4275         if (win == win->ws->focus) {
4276                 a.id = SWM_ARG_ID_FOCUSCUR;
4277                 focus(win->ws->r, &a);
4278         }
4279
4280         xcb_flush(conn);
4281         event_drain(XCB_ENTER_NOTIFY);
4282 }
4283
4284 void
4285 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4286 {
4287         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4288                 if (resizable)
4289                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4290                 else
4291                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4292         }
4293
4294         if (X(win) + BORDER(win) < X(r)) {
4295                 if (resizable)
4296                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4297
4298                 X(win) = X(r) - BORDER(win);
4299         }
4300
4301         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4302                 if (resizable)
4303                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4304                 else
4305                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4306         }
4307
4308         if (Y(win) + BORDER(win) < Y(r)) {
4309                 if (resizable)
4310                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4311
4312                 Y(win) = Y(r) - BORDER(win);
4313         }
4314
4315         if (resizable) {
4316                 if (WIDTH(win) < 1)
4317                         WIDTH(win) = 1;
4318                 if (HEIGHT(win) < 1)
4319                         HEIGHT(win) = 1;
4320         }
4321 }
4322
4323 void
4324 update_window(struct ws_win *win)
4325 {
4326         uint16_t        mask;
4327         uint32_t        wc[5];
4328
4329         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4330             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4331             XCB_CONFIG_WINDOW_BORDER_WIDTH;
4332         wc[0] = X(win);
4333         wc[1] = Y(win);
4334         wc[2] = WIDTH(win);
4335         wc[3] = HEIGHT(win);
4336         wc[4] = BORDER(win);
4337
4338         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4339             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4340             wc[3], YESNO(win->bordered));
4341
4342         xcb_configure_window(conn, win->id, mask, wc);
4343 }
4344
4345 #define SWM_RESIZE_STEPS        (50)
4346
4347 void
4348 resize(struct ws_win *win, union arg *args)
4349 {
4350         xcb_timestamp_t         timestamp = 0;
4351         struct swm_region       *r = NULL;
4352         int                     resize_step = 0;
4353         struct swm_geometry     g;
4354         int                     top = 0, left = 0, resizing;
4355         int                     dx, dy;
4356         unsigned int            shape; /* cursor style */
4357         xcb_cursor_t            cursor;
4358         xcb_font_t              cursor_font;
4359         xcb_query_pointer_reply_t       *xpr;
4360         xcb_generic_event_t             *evt;
4361         xcb_motion_notify_event_t       *mne;
4362
4363         if (win == NULL)
4364                 return;
4365         r = win->ws->r;
4366
4367         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4368                 return;
4369
4370         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4371             "transient: 0x%x\n", win->id, YESNO(win->floating),
4372             win->transient);
4373
4374         if (!(win->transient != 0 || win->floating != 0))
4375                 return;
4376
4377         /* reject resizes in max mode for floaters (transient ok) */
4378         if (win->floatmaxed)
4379                 return;
4380
4381         win->manual = 1;
4382         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4383             _NET_WM_STATE_ADD);
4384
4385         stack();
4386
4387         switch (args->id) {
4388         case SWM_ARG_ID_WIDTHSHRINK:
4389                 WIDTH(win) -= SWM_RESIZE_STEPS;
4390                 resize_step = 1;
4391                 break;
4392         case SWM_ARG_ID_WIDTHGROW:
4393                 WIDTH(win) += SWM_RESIZE_STEPS;
4394                 resize_step = 1;
4395                 break;
4396         case SWM_ARG_ID_HEIGHTSHRINK:
4397                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4398                 resize_step = 1;
4399                 break;
4400         case SWM_ARG_ID_HEIGHTGROW:
4401                 HEIGHT(win) += SWM_RESIZE_STEPS;
4402                 resize_step = 1;
4403                 break;
4404         default:
4405                 break;
4406         }
4407         if (resize_step) {
4408                 constrain_window(win, r, 1);
4409                 update_window(win);
4410                 store_float_geom(win,r);
4411                 return;
4412         }
4413
4414         /* get cursor offset from window root */
4415         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4416             NULL);
4417         if (!xpr)
4418                 return;
4419
4420         g = win->g;
4421
4422         if (xpr->win_x < WIDTH(win) / 2)
4423                 left = 1;
4424
4425         if (xpr->win_y < HEIGHT(win) / 2)
4426                 top = 1;
4427
4428         if (args->id == SWM_ARG_ID_CENTER)
4429                 shape = XC_sizing;
4430         else if (top)
4431                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4432         else
4433                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4434
4435         cursor_font = xcb_generate_id(conn);
4436         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4437
4438         cursor = xcb_generate_id(conn);
4439         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4440             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4441
4442         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4443             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4444             XCB_CURRENT_TIME),
4445
4446         xcb_flush(conn);
4447         resizing = 1;
4448         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4449                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4450                 case XCB_BUTTON_RELEASE:
4451                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4452                         resizing = 0;
4453                         break;
4454                 case XCB_MOTION_NOTIFY:
4455                         mne = (xcb_motion_notify_event_t *)evt;
4456                         /* cursor offset/delta from start of the operation */
4457                         dx = mne->root_x - xpr->root_x;
4458                         dy = mne->root_y - xpr->root_y;
4459
4460                         /* vertical */
4461                         if (top)
4462                                 dy = -dy;
4463
4464                         if (args->id == SWM_ARG_ID_CENTER) {
4465                                 if (g.h / 2 + dy < 1)
4466                                         dy = 1 - g.h / 2;
4467
4468                                 Y(win) = g.y - dy;
4469                                 HEIGHT(win) = g.h + 2 * dy;
4470                         } else {
4471                                 if (g.h + dy < 1)
4472                                         dy = 1 - g.h;
4473
4474                                 if (top)
4475                                         Y(win) = g.y - dy;
4476
4477                                 HEIGHT(win) = g.h + dy;
4478                         }
4479
4480                         /* horizontal */
4481                         if (left)
4482                                 dx = -dx;
4483
4484                         if (args->id == SWM_ARG_ID_CENTER) {
4485                                 if (g.w / 2 + dx < 1)
4486                                         dx = 1 - g.w / 2;
4487
4488                                 X(win) = g.x - dx;
4489                                 WIDTH(win) = g.w + 2 * dx;
4490                         } else {
4491                                 if (g.w + dx < 1)
4492                                         dx = 1 - g.w;
4493
4494                                 if (left)
4495                                         X(win) = g.x - dx;
4496
4497                                 WIDTH(win) = g.w + dx;
4498                         }
4499
4500                         constrain_window(win, r, 1);
4501
4502                         /* not free, don't sync more than 120 times / second */
4503                         if ((mne->time - timestamp) > (1000 / 120) ) {
4504                                 timestamp = mne->time;
4505                                 do_sync();
4506                                 update_window(win);
4507                         }
4508                         break;
4509                 default:
4510                         event_handle(evt);
4511                         break;
4512                 }
4513                 free(evt);
4514         }
4515         if (timestamp) {
4516                 do_sync();
4517                 update_window(win);
4518         }
4519         store_float_geom(win,r);
4520
4521         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4522         xcb_free_cursor(conn, cursor);
4523         xcb_close_font(conn, cursor_font);
4524         free(xpr);
4525         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4526 }
4527
4528 void
4529 resize_step(struct swm_region *r, union arg *args)
4530 {
4531         struct ws_win           *win = NULL;
4532
4533         if (r && r->ws && r->ws->focus)
4534                 win = r->ws->focus;
4535         else
4536                 return;
4537
4538         resize(win, args);
4539 }
4540
4541 #define SWM_MOVE_STEPS  (50)
4542
4543 void
4544 move(struct ws_win *win, union arg *args)
4545 {
4546         xcb_timestamp_t         timestamp = 0;
4547         int                     move_step = 0, moving;
4548         struct swm_region       *r = NULL;
4549         xcb_font_t                      cursor_font;
4550         xcb_cursor_t                    cursor;
4551         xcb_query_pointer_reply_t       *qpr;
4552         xcb_generic_event_t             *evt;
4553         xcb_motion_notify_event_t       *mne;
4554
4555         if (win == NULL)
4556                 return;
4557         r = win->ws->r;
4558
4559         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4560                 return;
4561
4562         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4563             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4564
4565         /* in max_stack mode should only move transients */
4566         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4567                 return;
4568
4569         win->manual = 1;
4570         if (win->floating == 0 && !win->transient) {
4571                 store_float_geom(win, r);
4572                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4573                     _NET_WM_STATE_ADD);
4574         }
4575         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4576             _NET_WM_STATE_ADD);
4577
4578         stack();
4579
4580         move_step = 0;
4581         switch (args->id) {
4582         case SWM_ARG_ID_MOVELEFT:
4583                 X(win) -= (SWM_MOVE_STEPS - border_width);
4584                 move_step = 1;
4585                 break;
4586         case SWM_ARG_ID_MOVERIGHT:
4587                 X(win) += (SWM_MOVE_STEPS - border_width);
4588                 move_step = 1;
4589                 break;
4590         case SWM_ARG_ID_MOVEUP:
4591                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4592                 move_step = 1;
4593                 break;
4594         case SWM_ARG_ID_MOVEDOWN:
4595                 Y(win) += (SWM_MOVE_STEPS - border_width);
4596                 move_step = 1;
4597                 break;
4598         default:
4599                 break;
4600         }
4601         if (move_step) {
4602                 constrain_window(win, r, 0);
4603                 update_window(win);
4604                 store_float_geom(win, r);
4605                 return;
4606         }
4607
4608         cursor_font = xcb_generate_id(conn);
4609         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4610
4611         cursor = xcb_generate_id(conn);
4612         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4613                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4614
4615         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4616             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4617             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4618
4619         /* get cursor offset from window root */
4620         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4621                 NULL);
4622         if (!qpr) {
4623                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4624                 xcb_free_cursor(conn, cursor);
4625                 xcb_close_font(conn, cursor_font);
4626                 return;
4627         }
4628
4629         xcb_flush(conn);
4630         moving = 1;
4631         while ((evt = xcb_wait_for_event(conn)) && moving) {
4632                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4633                 case XCB_BUTTON_RELEASE:
4634                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4635                         moving = 0;
4636                         break;
4637                 case XCB_MOTION_NOTIFY:
4638                         mne = (xcb_motion_notify_event_t *)evt;
4639                         X(win) = mne->root_x - qpr->win_x - border_width;
4640                         Y(win) = mne->root_y - qpr->win_y - border_width;
4641
4642                         constrain_window(win, r, 0);
4643
4644                         /* not free, don't sync more than 120 times / second */
4645                         if ((mne->time - timestamp) > (1000 / 120) ) {
4646                                 timestamp = mne->time;
4647                                 do_sync();
4648                                 update_window(win);
4649                         }
4650                         break;
4651                 default:
4652                         event_handle(evt);
4653                         break;
4654                 }
4655                 free(evt);
4656         }
4657         if (timestamp) {
4658                 do_sync();
4659                 update_window(win);
4660         }
4661         store_float_geom(win, r);
4662         free(qpr);
4663         xcb_free_cursor(conn, cursor);
4664         xcb_close_font(conn, cursor_font);
4665         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4666         DNPRINTF(SWM_D_EVENT, "move: done\n");
4667 }
4668
4669 void
4670 move_step(struct swm_region *r, union arg *args)
4671 {
4672         struct ws_win           *win = NULL;
4673
4674         if (r && r->ws && r->ws->focus)
4675                 win = r->ws->focus;
4676         else
4677                 return;
4678
4679         if (!(win->transient != 0 || win->floating != 0))
4680                 return;
4681
4682         move(win, args);
4683 }
4684
4685
4686 /* user/key callable function IDs */
4687 enum keyfuncid {
4688         KF_BAR_TOGGLE,
4689         KF_BUTTON2,
4690         KF_CYCLE_LAYOUT,
4691         KF_FLIP_LAYOUT,
4692         KF_FLOAT_TOGGLE,
4693         KF_FOCUS_MAIN,
4694         KF_FOCUS_NEXT,
4695         KF_FOCUS_PREV,
4696         KF_HEIGHT_GROW,
4697         KF_HEIGHT_SHRINK,
4698         KF_ICONIFY,
4699         KF_MASTER_SHRINK,
4700         KF_MASTER_GROW,
4701         KF_MASTER_ADD,
4702         KF_MASTER_DEL,
4703         KF_MOVE_DOWN,
4704         KF_MOVE_LEFT,
4705         KF_MOVE_RIGHT,
4706         KF_MOVE_UP,
4707         KF_MVWS_1,
4708         KF_MVWS_2,
4709         KF_MVWS_3,
4710         KF_MVWS_4,
4711         KF_MVWS_5,
4712         KF_MVWS_6,
4713         KF_MVWS_7,
4714         KF_MVWS_8,
4715         KF_MVWS_9,
4716         KF_MVWS_10,
4717         KF_MVWS_11,
4718         KF_MVWS_12,
4719         KF_MVWS_13,
4720         KF_MVWS_14,
4721         KF_MVWS_15,
4722         KF_MVWS_16,
4723         KF_MVWS_17,
4724         KF_MVWS_18,
4725         KF_MVWS_19,
4726         KF_MVWS_20,
4727         KF_MVWS_21,
4728         KF_MVWS_22,
4729         KF_NAME_WORKSPACE,
4730         KF_QUIT,
4731         KF_RAISE_TOGGLE,
4732         KF_RESTART,
4733         KF_SCREEN_NEXT,
4734         KF_SCREEN_PREV,
4735         KF_SEARCH_WIN,
4736         KF_SEARCH_WORKSPACE,
4737         KF_SPAWN_CUSTOM,
4738         KF_STACK_INC,
4739         KF_STACK_DEC,
4740         KF_STACK_RESET,
4741         KF_SWAP_MAIN,
4742         KF_SWAP_NEXT,
4743         KF_SWAP_PREV,
4744         KF_UNICONIFY,
4745         KF_VERSION,
4746         KF_WIDTH_GROW,
4747         KF_WIDTH_SHRINK,
4748         KF_WIND_DEL,
4749         KF_WIND_KILL,
4750         KF_WS_1,
4751         KF_WS_2,
4752         KF_WS_3,
4753         KF_WS_4,
4754         KF_WS_5,
4755         KF_WS_6,
4756         KF_WS_7,
4757         KF_WS_8,
4758         KF_WS_9,
4759         KF_WS_10,
4760         KF_WS_11,
4761         KF_WS_12,
4762         KF_WS_13,
4763         KF_WS_14,
4764         KF_WS_15,
4765         KF_WS_16,
4766         KF_WS_17,
4767         KF_WS_18,
4768         KF_WS_19,
4769         KF_WS_20,
4770         KF_WS_21,
4771         KF_WS_22,
4772         KF_WS_NEXT,
4773         KF_WS_NEXT_ALL,
4774         KF_WS_PREV,
4775         KF_WS_PREV_ALL,
4776         KF_WS_PRIOR,
4777         KF_DUMPWINS, /* MUST BE LAST */
4778         KF_INVALID
4779 };
4780
4781 /* key definitions */
4782 struct keyfunc {
4783         char                    name[SWM_FUNCNAME_LEN];
4784         void                    (*func)(struct swm_region *r, union arg *);
4785         union arg               args;
4786 } keyfuncs[KF_INVALID + 1] = {
4787         /* name                 function        argument */
4788         { "bar_toggle",         bar_toggle,     {0} },
4789         { "button2",            pressbutton,    {2} },
4790         { "cycle_layout",       cycle_layout,   {0} },
4791         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4792         { "float_toggle",       floating_toggle,{0} },
4793         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4794         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4795         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4796         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4797         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4798         { "iconify",            iconify,        {0} },
4799         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4800         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4801         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4802         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4803         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4804         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4805         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4806         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4807         { "mvws_1",             send_to_ws,     {.id = 0} },
4808         { "mvws_2",             send_to_ws,     {.id = 1} },
4809         { "mvws_3",             send_to_ws,     {.id = 2} },
4810         { "mvws_4",             send_to_ws,     {.id = 3} },
4811         { "mvws_5",             send_to_ws,     {.id = 4} },
4812         { "mvws_6",             send_to_ws,     {.id = 5} },
4813         { "mvws_7",             send_to_ws,     {.id = 6} },
4814         { "mvws_8",             send_to_ws,     {.id = 7} },
4815         { "mvws_9",             send_to_ws,     {.id = 8} },
4816         { "mvws_10",            send_to_ws,     {.id = 9} },
4817         { "mvws_11",            send_to_ws,     {.id = 10} },
4818         { "mvws_12",            send_to_ws,     {.id = 11} },
4819         { "mvws_13",            send_to_ws,     {.id = 12} },
4820         { "mvws_14",            send_to_ws,     {.id = 13} },
4821         { "mvws_15",            send_to_ws,     {.id = 14} },
4822         { "mvws_16",            send_to_ws,     {.id = 15} },
4823         { "mvws_17",            send_to_ws,     {.id = 16} },
4824         { "mvws_18",            send_to_ws,     {.id = 17} },
4825         { "mvws_19",            send_to_ws,     {.id = 18} },
4826         { "mvws_20",            send_to_ws,     {.id = 19} },
4827         { "mvws_21",            send_to_ws,     {.id = 20} },
4828         { "mvws_22",            send_to_ws,     {.id = 21} },
4829         { "name_workspace",     name_workspace, {0} },
4830         { "quit",               quit,           {0} },
4831         { "raise_toggle",       raise_toggle,   {0} },
4832         { "restart",            restart,        {0} },
4833         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4834         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4835         { "search_win",         search_win,     {0} },
4836         { "search_workspace",   search_workspace,       {0} },
4837         { "spawn_custom",       NULL,           {0} },
4838         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4839         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4840         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4841         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4842         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4843         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4844         { "uniconify",          uniconify,      {0} },
4845         { "version",            version,        {0} },
4846         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4847         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4848         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4849         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4850         { "ws_1",               switchws,       {.id = 0} },
4851         { "ws_2",               switchws,       {.id = 1} },
4852         { "ws_3",               switchws,       {.id = 2} },
4853         { "ws_4",               switchws,       {.id = 3} },
4854         { "ws_5",               switchws,       {.id = 4} },
4855         { "ws_6",               switchws,       {.id = 5} },
4856         { "ws_7",               switchws,       {.id = 6} },
4857         { "ws_8",               switchws,       {.id = 7} },
4858         { "ws_9",               switchws,       {.id = 8} },
4859         { "ws_10",              switchws,       {.id = 9} },
4860         { "ws_11",              switchws,       {.id = 10} },
4861         { "ws_12",              switchws,       {.id = 11} },
4862         { "ws_13",              switchws,       {.id = 12} },
4863         { "ws_14",              switchws,       {.id = 13} },
4864         { "ws_15",              switchws,       {.id = 14} },
4865         { "ws_16",              switchws,       {.id = 15} },
4866         { "ws_17",              switchws,       {.id = 16} },
4867         { "ws_18",              switchws,       {.id = 17} },
4868         { "ws_19",              switchws,       {.id = 18} },
4869         { "ws_20",              switchws,       {.id = 19} },
4870         { "ws_21",              switchws,       {.id = 20} },
4871         { "ws_22",              switchws,       {.id = 21} },
4872         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4873         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4874         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4875         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4876         { "ws_prior",           priorws,        {0} },
4877         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4878         { "invalid key func",   NULL,           {0} },
4879 };
4880 struct key {
4881         RB_ENTRY(key)           entry;
4882         unsigned int            mod;
4883         KeySym                  keysym;
4884         enum keyfuncid          funcid;
4885         char                    *spawn_name;
4886 };
4887 RB_HEAD(key_tree, key);
4888
4889 int
4890 key_cmp(struct key *kp1, struct key *kp2)
4891 {
4892         if (kp1->keysym < kp2->keysym)
4893                 return (-1);
4894         if (kp1->keysym > kp2->keysym)
4895                 return (1);
4896
4897         if (kp1->mod < kp2->mod)
4898                 return (-1);
4899         if (kp1->mod > kp2->mod)
4900                 return (1);
4901
4902         return (0);
4903 }
4904
4905 RB_GENERATE(key_tree, key, entry, key_cmp);
4906 struct key_tree                 keys;
4907
4908 /* mouse */
4909 enum { client_click, root_click };
4910 struct button {
4911         unsigned int            action;
4912         unsigned int            mask;
4913         unsigned int            button;
4914         void                    (*func)(struct ws_win *, union arg *);
4915         union arg               args;
4916 } buttons[] = {
4917           /* action     key             mouse button    func    args */
4918         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4919         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4920         { client_click, MODKEY,         Button1,        move,   {0} },
4921 };
4922
4923 void
4924 update_modkey(unsigned int mod)
4925 {
4926         int                     i;
4927         struct key              *kp;
4928
4929         mod_key = mod;
4930         RB_FOREACH(kp, key_tree, &keys)
4931                 if (kp->mod & ShiftMask)
4932                         kp->mod = mod | ShiftMask;
4933                 else
4934                         kp->mod = mod;
4935
4936         for (i = 0; i < LENGTH(buttons); i++)
4937                 if (buttons[i].mask & ShiftMask)
4938                         buttons[i].mask = mod | ShiftMask;
4939                 else
4940                         buttons[i].mask = mod;
4941 }
4942
4943 /* spawn */
4944 struct spawn_prog {
4945         TAILQ_ENTRY(spawn_prog) entry;
4946         char                    *name;
4947         int                     argc;
4948         char                    **argv;
4949 };
4950 TAILQ_HEAD(spawn_list, spawn_prog);
4951 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4952
4953 int
4954 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4955     char ***ret_args)
4956 {
4957         struct spawn_prog       *prog = NULL;
4958         int                     i;
4959         char                    *ap, **real_args;
4960
4961         /* suppress unused warning since var is needed */
4962         (void)args;
4963
4964         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4965
4966         /* find program */
4967         TAILQ_FOREACH(prog, &spawns, entry) {
4968                 if (!strcasecmp(spawn_name, prog->name))
4969                         break;
4970         }
4971         if (prog == NULL) {
4972                 warnx("spawn_custom: program %s not found", spawn_name);
4973                 return (-1);
4974         }
4975
4976         /* make room for expanded args */
4977         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4978                 err(1, "spawn_custom: calloc real_args");
4979
4980         /* expand spawn_args into real_args */
4981         for (i = 0; i < prog->argc; i++) {
4982                 ap = prog->argv[i];
4983                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4984                 if (!strcasecmp(ap, "$bar_border")) {
4985                         if ((real_args[i] =
4986                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4987                             == NULL)
4988                                 err(1,  "spawn_custom border color");
4989                 } else if (!strcasecmp(ap, "$bar_color")) {
4990                         if ((real_args[i] =
4991                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4992                             == NULL)
4993                                 err(1, "spawn_custom bar color");
4994                 } else if (!strcasecmp(ap, "$bar_font")) {
4995                         if ((real_args[i] = strdup(bar_fonts))
4996                             == NULL)
4997                                 err(1, "spawn_custom bar fonts");
4998                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4999                         if ((real_args[i] =
5000                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
5001                             == NULL)
5002                                 err(1, "spawn_custom color font");
5003                 } else if (!strcasecmp(ap, "$color_focus")) {
5004                         if ((real_args[i] =
5005                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
5006                             == NULL)
5007                                 err(1, "spawn_custom color focus");
5008                 } else if (!strcasecmp(ap, "$color_unfocus")) {
5009                         if ((real_args[i] =
5010                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
5011                             == NULL)
5012                                 err(1, "spawn_custom color unfocus");
5013                 } else {
5014                         /* no match --> copy as is */
5015                         if ((real_args[i] = strdup(ap)) == NULL)
5016                                 err(1, "spawn_custom strdup(ap)");
5017                 }
5018                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
5019                     real_args[i]);
5020         }
5021
5022 #ifdef SWM_DEBUG
5023         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5024         for (i = 0; i < prog->argc; i++)
5025                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5026         DNPRINTF(SWM_D_SPAWN, "\n");
5027 #endif
5028         *ret_args = real_args;
5029         return (prog->argc);
5030 }
5031
5032 void
5033 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
5034 {
5035         union arg               a;
5036         char                    **real_args;
5037         int                     spawn_argc, i;
5038
5039         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5040                 return;
5041         a.argv = real_args;
5042         if (fork() == 0)
5043                 spawn(r->ws->idx, &a, 1);
5044
5045         for (i = 0; i < spawn_argc; i++)
5046                 free(real_args[i]);
5047         free(real_args);
5048 }
5049
5050 void
5051 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
5052 {
5053         union arg               a;
5054         char                    **real_args;
5055         int                     i, spawn_argc;
5056
5057         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5058                 return;
5059         a.argv = real_args;
5060
5061         if (pipe(select_list_pipe) == -1)
5062                 err(1, "pipe error");
5063         if (pipe(select_resp_pipe) == -1)
5064                 err(1, "pipe error");
5065
5066         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5067                 err(1, "could not disable SIGPIPE");
5068         switch (*pid = fork()) {
5069         case -1:
5070                 err(1, "cannot fork");
5071                 break;
5072         case 0: /* child */
5073                 if (dup2(select_list_pipe[0], 0) == -1)
5074                         err(1, "dup2");
5075                 if (dup2(select_resp_pipe[1], 1) == -1)
5076                         err(1, "dup2");
5077                 close(select_list_pipe[1]);
5078                 close(select_resp_pipe[0]);
5079                 spawn(r->ws->idx, &a, 0);
5080                 break;
5081         default: /* parent */
5082                 close(select_list_pipe[0]);
5083                 close(select_resp_pipe[1]);
5084                 break;
5085         }
5086
5087         for (i = 0; i < spawn_argc; i++)
5088                 free(real_args[i]);
5089         free(real_args);
5090 }
5091
5092 void
5093 spawn_insert(char *name, char *args)
5094 {
5095         char                    *arg, *cp, *ptr;
5096         struct spawn_prog       *sp;
5097
5098         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5099
5100         if ((sp = calloc(1, sizeof *sp)) == NULL)
5101                 err(1, "spawn_insert: calloc");
5102         if ((sp->name = strdup(name)) == NULL)
5103                 err(1, "spawn_insert: strdup");
5104
5105         /* convert the arguments to an argument list */
5106         if ((ptr = cp = strdup(args)) == NULL)
5107                 err(1, "spawn_insert: strdup");
5108         while ((arg = strsep(&ptr, " \t")) != NULL) {
5109                 /* empty field; skip it */
5110                 if (*arg == '\0')
5111                         continue;
5112
5113                 sp->argc++;
5114                 if ((sp->argv = realloc(sp->argv, sp->argc *
5115                     sizeof *sp->argv)) == NULL)
5116                         err(1, "spawn_insert: realloc");
5117                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5118                         err(1, "spawn_insert: strdup");
5119         }
5120         free(cp);
5121
5122         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5123         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5124 }
5125
5126 void
5127 spawn_remove(struct spawn_prog *sp)
5128 {
5129         int                     i;
5130
5131         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5132
5133         TAILQ_REMOVE(&spawns, sp, entry);
5134         for (i = 0; i < sp->argc; i++)
5135                 free(sp->argv[i]);
5136         free(sp->argv);
5137         free(sp->name);
5138         free(sp);
5139
5140         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5141 }
5142
5143 void
5144 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5145 {
5146         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5147
5148         spawn_remove(sp);
5149         spawn_insert(name, args);
5150
5151         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5152 }
5153
5154 void
5155 setspawn(char *name, char *args)
5156 {
5157         struct spawn_prog       *sp;
5158
5159         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5160
5161         if (name == NULL)
5162                 return;
5163
5164         TAILQ_FOREACH(sp, &spawns, entry) {
5165                 if (!strcmp(sp->name, name)) {
5166                         if (*args == '\0')
5167                                 spawn_remove(sp);
5168                         else
5169                                 spawn_replace(sp, name, args);
5170                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5171                         return;
5172                 }
5173         }
5174         if (*args == '\0') {
5175                 warnx("error: setspawn: cannot find program: %s", name);
5176                 return;
5177         }
5178
5179         spawn_insert(name, args);
5180         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5181 }
5182
5183 int
5184 setconfspawn(char *selector, char *value, int flags)
5185 {
5186         char *args;
5187
5188         /* suppress unused warning since var is needed */
5189         (void)flags;
5190
5191         args = expand_tilde(value);
5192
5193         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
5194
5195         setspawn(selector, args);
5196         free(args);
5197
5198         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5199         return (0);
5200 }
5201
5202 void
5203 setup_spawn(void)
5204 {
5205         setconfspawn("term",            "xterm",                0);
5206         setconfspawn("spawn_term",      "xterm",                0);
5207         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5208         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5209         setconfspawn("lock",            "xlock",                0);
5210         setconfspawn("initscr",         "initscreen.sh",        0);
5211         setconfspawn("menu",            "dmenu_run"
5212                                         " -fn $bar_font"
5213                                         " -nb $bar_color"
5214                                         " -nf $bar_font_color"
5215                                         " -sb $bar_border"
5216                                         " -sf $bar_color",      0);
5217         setconfspawn("search",          "dmenu"
5218                                         " -i"
5219                                         " -fn $bar_font"
5220                                         " -nb $bar_color"
5221                                         " -nf $bar_font_color"
5222                                         " -sb $bar_border"
5223                                         " -sf $bar_color",      0);
5224         setconfspawn("name_workspace",  "dmenu"
5225                                         " -p Workspace"
5226                                         " -fn $bar_font"
5227                                         " -nb $bar_color"
5228                                         " -nf $bar_font_color"
5229                                         " -sb $bar_border"
5230                                         " -sf $bar_color",      0);
5231 }
5232
5233 /* key bindings */
5234 #define SWM_MODNAME_SIZE        32
5235 #define SWM_KEY_WS              "\n+ \t"
5236 int
5237 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5238 {
5239         char                    *cp, *name;
5240         KeySym                  uks;
5241         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5242         if (mod == NULL || ks == NULL) {
5243                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5244                 return (1);
5245         }
5246         if (keystr == NULL || strlen(keystr) == 0) {
5247                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5248                 return (1);
5249         }
5250         cp = keystr;
5251         *ks = XCB_NO_SYMBOL;
5252         *mod = 0;
5253         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5254                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5255                 if (cp)
5256                         cp += (long)strspn(cp, SWM_KEY_WS);
5257                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5258                         *mod |= currmod;
5259                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5260                         *mod |= Mod1Mask;
5261                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5262                         *mod += Mod2Mask;
5263                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5264                         *mod |= Mod3Mask;
5265                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5266                         *mod |= Mod4Mask;
5267                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5268                         *mod |= ShiftMask;
5269                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5270                         *mod |= ControlMask;
5271                 else {
5272                         *ks = XStringToKeysym(name);
5273                         XConvertCase(*ks, ks, &uks);
5274                         if (ks == XCB_NO_SYMBOL) {
5275                                 DNPRINTF(SWM_D_KEY,
5276                                     "parsekeys: invalid key %s\n",
5277                                     name);
5278                                 return (1);
5279                         }
5280                 }
5281         }
5282         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5283         return (0);
5284 }
5285
5286 char *
5287 strdupsafe(char *str)
5288 {
5289         if (str == NULL)
5290                 return (NULL);
5291         else
5292                 return (strdup(str));
5293 }
5294
5295 void
5296 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5297 {
5298         struct key              *kp;
5299
5300         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5301             keyfuncs[kfid].name, spawn_name);
5302
5303         if ((kp = malloc(sizeof *kp)) == NULL)
5304                 err(1, "key_insert: malloc");
5305
5306         kp->mod = mod;
5307         kp->keysym = ks;
5308         kp->funcid = kfid;
5309         kp->spawn_name = strdupsafe(spawn_name);
5310         RB_INSERT(key_tree, &keys, kp);
5311
5312         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5313 }
5314
5315 struct key *
5316 key_lookup(unsigned int mod, KeySym ks)
5317 {
5318         struct key              kp;
5319
5320         kp.keysym = ks;
5321         kp.mod = mod;
5322
5323         return (RB_FIND(key_tree, &keys, &kp));
5324 }
5325
5326 void
5327 key_remove(struct key *kp)
5328 {
5329         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5330
5331         RB_REMOVE(key_tree, &keys, kp);
5332         free(kp->spawn_name);
5333         free(kp);
5334
5335         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5336 }
5337
5338 void
5339 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5340     char *spawn_name)
5341 {
5342         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5343             spawn_name);
5344
5345         key_remove(kp);
5346         key_insert(mod, ks, kfid, spawn_name);
5347
5348         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5349 }
5350
5351 void
5352 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5353     char *spawn_name)
5354 {
5355         struct key              *kp;
5356
5357         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5358             keyfuncs[kfid].name, spawn_name);
5359
5360         if ((kp = key_lookup(mod, ks)) != NULL) {
5361                 if (kfid == KF_INVALID)
5362                         key_remove(kp);
5363                 else
5364                         key_replace(kp, mod, ks, kfid, spawn_name);
5365                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5366                 return;
5367         }
5368         if (kfid == KF_INVALID) {
5369                 warnx("error: setkeybinding: cannot find mod/key combination");
5370                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5371                 return;
5372         }
5373
5374         key_insert(mod, ks, kfid, spawn_name);
5375         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5376 }
5377
5378 int
5379 setconfbinding(char *selector, char *value, int flags)
5380 {
5381         enum keyfuncid          kfid;
5382         unsigned int            mod;
5383         KeySym                  ks;
5384         struct spawn_prog       *sp;
5385
5386         /* suppress unused warning since var is needed */
5387         (void)flags;
5388
5389         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5390         if (selector == NULL) {
5391                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5392                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5393                         kfid = KF_INVALID;
5394                         setkeybinding(mod, ks, kfid, NULL);
5395                         return (0);
5396                 } else
5397                         return (1);
5398         }
5399         /* search by key function name */
5400         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5401                 if (strncasecmp(selector, keyfuncs[kfid].name,
5402                     SWM_FUNCNAME_LEN) == 0) {
5403                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5404                             selector);
5405                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5406                                 setkeybinding(mod, ks, kfid, NULL);
5407                                 return (0);
5408                         } else
5409                                 return (1);
5410                 }
5411         }
5412         /* search by custom spawn name */
5413         TAILQ_FOREACH(sp, &spawns, entry) {
5414                 if (strcasecmp(selector, sp->name) == 0) {
5415                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5416                             selector);
5417                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5418                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5419                                     sp->name);
5420                                 return (0);
5421                         } else
5422                                 return (1);
5423                 }
5424         }
5425         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5426         return (1);
5427 }
5428
5429 void
5430 setup_keys(void)
5431 {
5432         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5433         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5434         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5435         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5436         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5437         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5438         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5439         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5440         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5441         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5442         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5443         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5444         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5445         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5446         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5447         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5448         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5449         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5450         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5451         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5452         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5453         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5454         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5455         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5456         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5457         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5458         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5459         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5460         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5461         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5462         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5463         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5464         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5465         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5466         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5467         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5468         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5469         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5470         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5471         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5472         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5473         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5474         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5475         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5476         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5477         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5478         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5479         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5480         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5481         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5482         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5483         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5484         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5485         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5486         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5487         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5488         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5489         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5490         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5491         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5492         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5493         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5494         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5495         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5496         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5497         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5498         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5499         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5500         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5501         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5502         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5503         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5504         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5505         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5506         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5507         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5508         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5509         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5510         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5511         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5512         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5513         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5514         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5515         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5516         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5517         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5518         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5519         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5520         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5521         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5522         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5523         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5524         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5525         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5526         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5527         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5528 #ifdef SWM_DEBUG
5529         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5530 #endif
5531 }
5532
5533 void
5534 clear_keys(void)
5535 {
5536         struct key              *kp;
5537
5538         while (RB_EMPTY(&keys) == 0) {
5539                 kp = RB_ROOT(&keys);
5540                 key_remove(kp);
5541         }
5542 }
5543
5544 int
5545 setkeymapping(char *selector, char *value, int flags)
5546 {
5547         char                    keymapping_file[PATH_MAX];
5548
5549         /* suppress unused warnings since vars are needed */
5550         (void)selector;
5551         (void)flags;
5552
5553         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5554         if (value[0] == '~')
5555                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5556                     pwd->pw_dir, &value[1]);
5557         else
5558                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5559         clear_keys();
5560         /* load new key bindings; if it fails, revert to default bindings */
5561         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5562                 clear_keys();
5563                 setup_keys();
5564         }
5565         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5566         return (0);
5567 }
5568
5569 void
5570 updatenumlockmask(void)
5571 {
5572         unsigned int                            i, j;
5573         xcb_get_modifier_mapping_reply_t        *modmap_r;
5574         xcb_keycode_t                           *modmap, kc, *keycode;
5575
5576         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5577         numlockmask = 0;
5578
5579         modmap_r = xcb_get_modifier_mapping_reply(conn,
5580             xcb_get_modifier_mapping(conn),
5581             NULL);
5582         if (modmap_r) {
5583                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5584                 for (i = 0; i < 8; i++) {
5585                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5586                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5587                                     + j];
5588                                 keycode = xcb_key_symbols_get_keycode(syms,
5589                                                 XK_Num_Lock);
5590                                 if (kc == *keycode)
5591                                         numlockmask = (1 << i);
5592                                 free(keycode);
5593                         }
5594                 }
5595                 free(modmap_r);
5596         }
5597 }
5598
5599 void
5600 grabkeys(void)
5601 {
5602         int                     num_screens, k;
5603         unsigned int            j;
5604         xcb_keycode_t           *code;
5605         unsigned int            modifiers[] =
5606             { 0, LockMask, numlockmask, numlockmask | LockMask };
5607         struct key              *kp;
5608
5609         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5610         updatenumlockmask();
5611
5612         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5613         for (k = 0; k < num_screens; k++) {
5614                 if (TAILQ_EMPTY(&screens[k].rl))
5615                         continue;
5616                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5617                         XCB_MOD_MASK_ANY);
5618                 RB_FOREACH(kp, key_tree, &keys) {
5619                         if ((code = xcb_key_symbols_get_keycode(syms,
5620                                         kp->keysym)))
5621                                 for (j = 0; j < LENGTH(modifiers); j++)
5622                                         xcb_grab_key(conn, 1,
5623                                             screens[k].root,
5624                                             kp->mod | modifiers[j],
5625                                             *code, XCB_GRAB_MODE_ASYNC,
5626                                             XCB_GRAB_MODE_ASYNC);
5627                                 free(code);
5628                 }
5629         }
5630 }
5631
5632 void
5633 grabbuttons(struct ws_win *win, int focused)
5634 {
5635         unsigned int            i, j;
5636         unsigned int            modifiers[] =
5637             { 0, LockMask, numlockmask, numlockmask|LockMask };
5638
5639         updatenumlockmask();
5640         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5641             XCB_BUTTON_MASK_ANY);
5642         if (focused) {
5643                 for (i = 0; i < LENGTH(buttons); i++)
5644                         if (buttons[i].action == client_click)
5645                                 for (j = 0; j < LENGTH(modifiers); j++)
5646                                         xcb_grab_button(conn, 0, win->id,
5647                                             BUTTONMASK,
5648                                             XCB_GRAB_MODE_ASYNC,
5649                                             XCB_GRAB_MODE_SYNC,
5650                                             XCB_WINDOW_NONE,
5651                                             XCB_CURSOR_NONE,
5652                                             buttons[i].button,
5653                                             buttons[i].mask);
5654         } else
5655                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
5656                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5657                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5658 }
5659
5660 const char *quirkname[] = {
5661         "NONE",         /* config string for "no value" */
5662         "FLOAT",
5663         "TRANSSZ",
5664         "ANYWHERE",
5665         "XTERM_FONTADJ",
5666         "FULLSCREEN",
5667         "FOCUSPREV",
5668 };
5669
5670 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5671 #define SWM_Q_WS                "\n|+ \t"
5672 int
5673 parsequirks(char *qstr, unsigned long *quirk)
5674 {
5675         char                    *cp, *name;
5676         int                     i;
5677
5678         if (quirk == NULL)
5679                 return (1);
5680
5681         cp = qstr;
5682         *quirk = 0;
5683         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5684                 if (cp)
5685                         cp += (long)strspn(cp, SWM_Q_WS);
5686                 for (i = 0; i < LENGTH(quirkname); i++) {
5687                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5688                                 DNPRINTF(SWM_D_QUIRK,
5689                                     "parsequirks: %s\n", name);
5690                                 if (i == 0) {
5691                                         *quirk = 0;
5692                                         return (0);
5693                                 }
5694                                 *quirk |= 1 << (i-1);
5695                                 break;
5696                         }
5697                 }
5698                 if (i >= LENGTH(quirkname)) {
5699                         DNPRINTF(SWM_D_QUIRK,
5700                             "parsequirks: invalid quirk [%s]\n", name);
5701                         return (1);
5702                 }
5703         }
5704         return (0);
5705 }
5706
5707 void
5708 quirk_insert(const char *class, const char *name, unsigned long quirk)
5709 {
5710         struct quirk            *qp;
5711
5712         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5713             quirk);
5714
5715         if ((qp = malloc(sizeof *qp)) == NULL)
5716                 err(1, "quirk_insert: malloc");
5717         if ((qp->class = strdup(class)) == NULL)
5718                 err(1, "quirk_insert: strdup");
5719         if ((qp->name = strdup(name)) == NULL)
5720                 err(1, "quirk_insert: strdup");
5721
5722         qp->quirk = quirk;
5723         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5724
5725         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5726 }
5727
5728 void
5729 quirk_remove(struct quirk *qp)
5730 {
5731         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5732             qp->name, qp->quirk);
5733
5734         TAILQ_REMOVE(&quirks, qp, entry);
5735         free(qp->class);
5736         free(qp->name);
5737         free(qp);
5738
5739         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5740 }
5741
5742 void
5743 quirk_replace(struct quirk *qp, const char *class, const char *name,
5744     unsigned long quirk)
5745 {
5746         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5747             qp->name, qp->quirk);
5748
5749         quirk_remove(qp);
5750         quirk_insert(class, name, quirk);
5751
5752         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5753 }
5754
5755 void
5756 setquirk(const char *class, const char *name, unsigned long quirk)
5757 {
5758         struct quirk            *qp;
5759
5760         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5761            quirk);
5762
5763         TAILQ_FOREACH(qp, &quirks, entry) {
5764                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5765                         if (!quirk)
5766                                 quirk_remove(qp);
5767                         else
5768                                 quirk_replace(qp, class, name, quirk);
5769                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5770                         return;
5771                 }
5772         }
5773         if (!quirk) {
5774                 warnx("error: setquirk: cannot find class/name combination");
5775                 return;
5776         }
5777
5778         quirk_insert(class, name, quirk);
5779         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5780 }
5781
5782 int
5783 setconfquirk(char *selector, char *value, int flags)
5784 {
5785         char                    *cp, *class, *name;
5786         int                     retval;
5787         unsigned long           qrks;
5788
5789         /* suppress unused warning since var is needed */
5790         (void)flags;
5791
5792         if (selector == NULL)
5793                 return (0);
5794         if ((cp = strchr(selector, ':')) == NULL)
5795                 return (0);
5796         *cp = '\0';
5797         class = selector;
5798         name = cp + 1;
5799         if ((retval = parsequirks(value, &qrks)) == 0)
5800                 setquirk(class, name, qrks);
5801         return (retval);
5802 }
5803
5804 void
5805 setup_quirks(void)
5806 {
5807         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5808         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5809         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5810         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5811         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5812         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5813         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5814         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5815         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5816         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5817         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5818         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5819         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5820 }
5821
5822 /* conf file stuff */
5823 #define SWM_CONF_FILE           "spectrwm.conf"
5824 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5825
5826 enum {
5827         SWM_S_BAR_ACTION,
5828         SWM_S_BAR_AT_BOTTOM,
5829         SWM_S_BAR_BORDER_WIDTH,
5830         SWM_S_BAR_DELAY,
5831         SWM_S_BAR_ENABLED,
5832         SWM_S_BAR_FONT,
5833         SWM_S_BAR_FORMAT,
5834         SWM_S_BAR_JUSTIFY,
5835         SWM_S_BORDER_WIDTH,
5836         SWM_S_CLOCK_ENABLED,
5837         SWM_S_CLOCK_FORMAT,
5838         SWM_S_CYCLE_EMPTY,
5839         SWM_S_CYCLE_VISIBLE,
5840         SWM_S_DIALOG_RATIO,
5841         SWM_S_DISABLE_BORDER,
5842         SWM_S_FOCUS_CLOSE,
5843         SWM_S_FOCUS_CLOSE_WRAP,
5844         SWM_S_FOCUS_DEFAULT,
5845         SWM_S_FOCUS_MODE,
5846         SWM_S_SPAWN_ORDER,
5847         SWM_S_SPAWN_TERM,
5848         SWM_S_SS_APP,
5849         SWM_S_SS_ENABLED,
5850         SWM_S_STACK_ENABLED,
5851         SWM_S_TERM_WIDTH,
5852         SWM_S_TITLE_CLASS_ENABLED,
5853         SWM_S_TITLE_NAME_ENABLED,
5854         SWM_S_URGENT_ENABLED,
5855         SWM_S_VERBOSE_LAYOUT,
5856         SWM_S_WINDOW_NAME_ENABLED,
5857         SWM_S_WORKSPACE_LIMIT
5858 };
5859
5860 int
5861 setconfvalue(char *selector, char *value, int flags)
5862 {
5863         int     i;
5864         char    *b;
5865
5866         /* suppress unused warning since var is needed */
5867         (void)selector;
5868
5869         switch (flags) {
5870         case SWM_S_BAR_ACTION:
5871                 free(bar_argv[0]);
5872                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
5873                         err(1, "setconfvalue: bar_action");
5874                 break;
5875         case SWM_S_BAR_AT_BOTTOM:
5876                 bar_at_bottom = atoi(value);
5877                 break;
5878         case SWM_S_BAR_BORDER_WIDTH:
5879                 bar_border_width = atoi(value);
5880                 if (bar_border_width < 0)
5881                         bar_border_width = 0;
5882                 break;
5883         case SWM_S_BAR_DELAY:
5884                 bar_delay = atoi(value);
5885                 break;
5886         case SWM_S_BAR_ENABLED:
5887                 bar_enabled = atoi(value);
5888                 break;
5889         case SWM_S_BAR_FONT:
5890                 b = bar_fonts;
5891                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5892                         err(1, "setconfvalue: asprintf: failed to allocate "
5893                                 "memory for bar_fonts.");
5894                 free(b);
5895                 break;
5896         case SWM_S_BAR_FORMAT:
5897                 free(bar_format);
5898                 if ((bar_format = strdup(value)) == NULL)
5899                         err(1, "setconfvalue: bar_format");
5900                 break;
5901         case SWM_S_BAR_JUSTIFY:
5902                 if (!strcmp(value, "left"))
5903                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5904                 else if (!strcmp(value, "center"))
5905                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5906                 else if (!strcmp(value, "right"))
5907                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5908                 else
5909                         errx(1, "invalid bar_justify");
5910                 break;
5911         case SWM_S_BORDER_WIDTH:
5912                 border_width = atoi(value);
5913                 if (border_width < 0)
5914                         border_width = 0;
5915                 break;
5916         case SWM_S_CLOCK_ENABLED:
5917                 clock_enabled = atoi(value);
5918                 break;
5919         case SWM_S_CLOCK_FORMAT:
5920 #ifndef SWM_DENY_CLOCK_FORMAT
5921                 free(clock_format);
5922                 if ((clock_format = strdup(value)) == NULL)
5923                         err(1, "setconfvalue: clock_format");
5924 #endif
5925                 break;
5926         case SWM_S_CYCLE_EMPTY:
5927                 cycle_empty = atoi(value);
5928                 break;
5929         case SWM_S_CYCLE_VISIBLE:
5930                 cycle_visible = atoi(value);
5931                 break;
5932         case SWM_S_DIALOG_RATIO:
5933                 dialog_ratio = atof(value);
5934                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5935                         dialog_ratio = .6;
5936                 break;
5937         case SWM_S_DISABLE_BORDER:
5938                 disable_border = atoi(value);
5939                 break;
5940         case SWM_S_FOCUS_CLOSE:
5941                 if (!strcmp(value, "first"))
5942                         focus_close = SWM_STACK_BOTTOM;
5943                 else if (!strcmp(value, "last"))
5944                         focus_close = SWM_STACK_TOP;
5945                 else if (!strcmp(value, "next"))
5946                         focus_close = SWM_STACK_ABOVE;
5947                 else if (!strcmp(value, "previous"))
5948                         focus_close = SWM_STACK_BELOW;
5949                 else
5950                         errx(1, "focus_close");
5951                 break;
5952         case SWM_S_FOCUS_CLOSE_WRAP:
5953                 focus_close_wrap = atoi(value);
5954                 break;
5955         case SWM_S_FOCUS_DEFAULT:
5956                 if (!strcmp(value, "last"))
5957                         focus_default = SWM_STACK_TOP;
5958                 else if (!strcmp(value, "first"))
5959                         focus_default = SWM_STACK_BOTTOM;
5960                 else
5961                         errx(1, "focus_default");
5962                 break;
5963         case SWM_S_FOCUS_MODE:
5964                 if (!strcmp(value, "default"))
5965                         focus_mode = SWM_FOCUS_DEFAULT;
5966                 else if (!strcmp(value, "follow_cursor"))
5967                         focus_mode = SWM_FOCUS_FOLLOW;
5968                 else if (!strcmp(value, "synergy"))
5969                         focus_mode = SWM_FOCUS_SYNERGY;
5970                 else
5971                         errx(1, "focus_mode");
5972                 break;
5973         case SWM_S_SPAWN_ORDER:
5974                 if (!strcmp(value, "first"))
5975                         spawn_position = SWM_STACK_BOTTOM;
5976                 else if (!strcmp(value, "last"))
5977                         spawn_position = SWM_STACK_TOP;
5978                 else if (!strcmp(value, "next"))
5979                         spawn_position = SWM_STACK_ABOVE;
5980                 else if (!strcmp(value, "previous"))
5981                         spawn_position = SWM_STACK_BELOW;
5982                 else
5983                         errx(1, "spawn_position");
5984                 break;
5985         case SWM_S_SPAWN_TERM:
5986                 setconfspawn("term", value, 0);
5987                 setconfspawn("spawn_term", value, 0);
5988                 break;
5989         case SWM_S_SS_APP:
5990                 break;
5991         case SWM_S_SS_ENABLED:
5992                 ss_enabled = atoi(value);
5993                 break;
5994         case SWM_S_STACK_ENABLED:
5995                 stack_enabled = atoi(value);
5996                 break;
5997         case SWM_S_TERM_WIDTH:
5998                 term_width = atoi(value);
5999                 if (term_width < 0)
6000                         term_width = 0;
6001                 break;
6002         case SWM_S_TITLE_CLASS_ENABLED:
6003                 title_class_enabled = atoi(value);
6004                 break;
6005         case SWM_S_TITLE_NAME_ENABLED:
6006                 title_name_enabled = atoi(value);
6007                 break;
6008         case SWM_S_URGENT_ENABLED:
6009                 urgent_enabled = atoi(value);
6010                 break;
6011         case SWM_S_VERBOSE_LAYOUT:
6012                 verbose_layout = atoi(value);
6013                 for (i = 0; layouts[i].l_stack != NULL; i++) {
6014                         if (verbose_layout)
6015                                 layouts[i].l_string = fancy_stacker;
6016                         else
6017                                 layouts[i].l_string = plain_stacker;
6018                 }
6019                 break;
6020         case SWM_S_WINDOW_NAME_ENABLED:
6021                 window_name_enabled = atoi(value);
6022                 break;
6023         case SWM_S_WORKSPACE_LIMIT:
6024                 workspace_limit = atoi(value);
6025                 if (workspace_limit > SWM_WS_MAX)
6026                         workspace_limit = SWM_WS_MAX;
6027                 else if (workspace_limit < 1)
6028                         workspace_limit = 1;
6029                 break;
6030         default:
6031                 return (1);
6032         }
6033         return (0);
6034 }
6035
6036 int
6037 setconfmodkey(char *selector, char *value, int flags)
6038 {
6039         /* suppress unused warnings since vars are needed */
6040         (void)selector;
6041         (void)flags;
6042
6043         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6044                 update_modkey(Mod1Mask);
6045         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6046                 update_modkey(Mod2Mask);
6047         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6048                 update_modkey(Mod3Mask);
6049         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6050                 update_modkey(Mod4Mask);
6051         else
6052                 return (1);
6053         return (0);
6054 }
6055
6056 int
6057 setconfcolor(char *selector, char *value, int flags)
6058 {
6059         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6060         return (0);
6061 }
6062
6063 int
6064 setconfregion(char *selector, char *value, int flags)
6065 {
6066         /* suppress unused warnings since vars are needed */
6067         (void)selector;
6068         (void)flags;
6069
6070         custom_region(value);
6071         return (0);
6072 }
6073
6074 int
6075 setautorun(char *selector, char *value, int flags)
6076 {
6077         int                     ws_id;
6078         char                    s[1024];
6079         char                    *ap, *sp = s;
6080         union arg               a;
6081         int                     argc = 0;
6082         pid_t                   pid;
6083         struct pid_e            *p;
6084
6085         /* suppress unused warnings since vars are needed */
6086         (void)selector;
6087         (void)flags;
6088
6089         if (getenv("SWM_STARTED"))
6090                 return (0);
6091
6092         bzero(s, sizeof s);
6093         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6094                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6095         ws_id--;
6096         if (ws_id < 0 || ws_id >= workspace_limit)
6097                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6098
6099         /*
6100          * This is a little intricate
6101          *
6102          * If the pid already exists we simply reuse it because it means it was
6103          * used before AND not claimed by manage_window.  We get away with
6104          * altering it in the parent after INSERT because this can not be a race
6105          */
6106         a.argv = NULL;
6107         while ((ap = strsep(&sp, " \t")) != NULL) {
6108                 if (*ap == '\0')
6109                         continue;
6110                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6111                 argc++;
6112                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6113                         err(1, "setautorun: realloc");
6114                 a.argv[argc - 1] = ap;
6115         }
6116
6117         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6118                 err(1, "setautorun: realloc");
6119         a.argv[argc] = NULL;
6120
6121         if ((pid = fork()) == 0) {
6122                 spawn(ws_id, &a, 1);
6123                 /* NOTREACHED */
6124                 _exit(1);
6125         }
6126         free(a.argv);
6127
6128         /* parent */
6129         p = find_pid(pid);
6130         if (p == NULL) {
6131                 p = calloc(1, sizeof *p);
6132                 if (p == NULL)
6133                         return (1);
6134                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6135         }
6136
6137         p->pid = pid;
6138         p->ws = ws_id;
6139
6140         return (0);
6141 }
6142
6143 int
6144 setlayout(char *selector, char *value, int flags)
6145 {
6146         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
6147         int                     st = SWM_V_STACK, num_screens;
6148         char                    s[1024];
6149         struct workspace        *ws;
6150
6151         /* suppress unused warnings since vars are needed */
6152         (void)selector;
6153         (void)flags;
6154
6155         if (getenv("SWM_STARTED"))
6156                 return (0);
6157
6158         bzero(s, sizeof s);
6159         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6160             &ws_id, &mg, &ma, &si, &ar, s) != 6)
6161                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6162                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6163                     "<type>'");
6164         ws_id--;
6165         if (ws_id < 0 || ws_id >= workspace_limit)
6166                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6167
6168         if (!strcasecmp(s, "vertical"))
6169                 st = SWM_V_STACK;
6170         else if (!strcasecmp(s, "vertical_flip")) {
6171                 st = SWM_V_STACK;
6172                 f = 1;
6173         } else if (!strcasecmp(s, "horizontal"))
6174                 st = SWM_H_STACK;
6175         else if (!strcasecmp(s, "horizontal_flip")) {
6176                 st = SWM_H_STACK;
6177                 f = 1;
6178         } else if (!strcasecmp(s, "fullscreen"))
6179                 st = SWM_MAX_STACK;
6180         else
6181                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6182                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6183                     "<type>'");
6184
6185         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6186         for (i = 0; i < num_screens; i++) {
6187                 ws = (struct workspace *)&screens[i].ws;
6188                 ws[ws_id].cur_layout = &layouts[st];
6189
6190                 ws[ws_id].always_raise = ar;
6191                 if (st == SWM_MAX_STACK)
6192                         continue;
6193
6194                 /* master grow */
6195                 for (x = 0; x < abs(mg); x++) {
6196                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6197                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6198                             SWM_ARG_ID_MASTERSHRINK);
6199                         stack();
6200                 }
6201                 /* master add */
6202                 for (x = 0; x < abs(ma); x++) {
6203                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6204                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6205                             SWM_ARG_ID_MASTERDEL);
6206                         stack();
6207                 }
6208                 /* stack inc */
6209                 for (x = 0; x < abs(si); x++) {
6210                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6211                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6212                             SWM_ARG_ID_STACKDEC);
6213                         stack();
6214                 }
6215                 /* Apply flip */
6216                 if (f) {
6217                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6218                             SWM_ARG_ID_FLIPLAYOUT);
6219                         stack();
6220                 }
6221         }
6222
6223         return (0);
6224 }
6225
6226 /* config options */
6227 struct config_option {
6228         char                    *optname;
6229         int                     (*func)(char*, char*, int);
6230         int                     funcflags;
6231 };
6232 struct config_option configopt[] = {
6233         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6234         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6235         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6236         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6237         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6238         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6239         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6240         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6241         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6242         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6243         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6244         { "keyboard_mapping",           setkeymapping,  0 },
6245         { "bind",                       setconfbinding, 0 },
6246         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6247         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6248         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6249         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6250         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6251         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6252         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6253         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6254         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6255         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6256         { "modkey",                     setconfmodkey,  0 },
6257         { "program",                    setconfspawn,   0 },
6258         { "quirk",                      setconfquirk,   0 },
6259         { "region",                     setconfregion,  0 },
6260         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6261         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6262         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6263         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6264         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6265         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6266         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6267         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6268         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6269         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6270         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6271         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6272         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6273         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6274         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6275         { "autorun",                    setautorun,     0 },
6276         { "layout",                     setlayout,      0 },
6277 };
6278
6279
6280 int
6281 conf_load(char *filename, int keymapping)
6282 {
6283         FILE                    *config;
6284         char                    *line, *cp, *optsub, *optval;
6285         size_t                  linelen, lineno = 0;
6286         int                     wordlen, i, optidx;
6287         struct config_option    *opt;
6288
6289         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6290
6291         if (filename == NULL) {
6292                 warnx("conf_load: no filename");
6293                 return (1);
6294         }
6295         if ((config = fopen(filename, "r")) == NULL) {
6296                 warn("conf_load: fopen: %s", filename);
6297                 return (1);
6298         }
6299
6300         while (!feof(config)) {
6301                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6302                     == NULL) {
6303                         if (ferror(config))
6304                                 err(1, "%s", filename);
6305                         else
6306                                 continue;
6307                 }
6308                 cp = line;
6309                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6310                 if (cp[0] == '\0') {
6311                         /* empty line */
6312                         free(line);
6313                         continue;
6314                 }
6315                 /* get config option */
6316                 wordlen = strcspn(cp, "=[ \t\n");
6317                 if (wordlen == 0) {
6318                         warnx("%s: line %zd: no option found",
6319                             filename, lineno);
6320                         goto out;
6321                 }
6322                 optidx = -1;
6323                 for (i = 0; i < LENGTH(configopt); i++) {
6324                         opt = &configopt[i];
6325                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6326                             (int)strlen(opt->optname) == wordlen) {
6327                                 optidx = i;
6328                                 break;
6329                         }
6330                 }
6331                 if (optidx == -1) {
6332                         warnx("%s: line %zd: unknown option %.*s",
6333                             filename, lineno, wordlen, cp);
6334                         goto out;
6335                 }
6336                 if (keymapping && strcmp(opt->optname, "bind")) {
6337                         warnx("%s: line %zd: invalid option %.*s",
6338                             filename, lineno, wordlen, cp);
6339                         goto out;
6340                 }
6341                 cp += wordlen;
6342                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6343                 /* get [selector] if any */
6344                 optsub = NULL;
6345                 if (*cp == '[') {
6346                         cp++;
6347                         wordlen = strcspn(cp, "]");
6348                         if (*cp != ']') {
6349                                 if (wordlen == 0) {
6350                                         warnx("%s: line %zd: syntax error",
6351                                             filename, lineno);
6352                                         goto out;
6353                                 }
6354
6355                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6356                                     -1) {
6357                                         warnx("%s: line %zd: unable to allocate"
6358                                             "memory for selector", filename,
6359                                             lineno);
6360                                         goto out;
6361                                 }
6362                         }
6363                         cp += wordlen;
6364                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6365                 }
6366                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6367                 /* get RHS value */
6368                 optval = strdup(cp);
6369                 /* call function to deal with it all */
6370                 if (configopt[optidx].func(optsub, optval,
6371                     configopt[optidx].funcflags) != 0)
6372                         errx(1, "%s: line %zd: invalid data for %s",
6373                             filename, lineno, configopt[optidx].optname);
6374                 free(optval);
6375                 free(optsub);
6376                 free(line);
6377         }
6378
6379         fclose(config);
6380         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6381
6382         return (0);
6383
6384 out:
6385         free(line);
6386         fclose(config);
6387         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6388
6389         return (1);
6390 }
6391
6392 void
6393 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6394 {
6395         struct ws_win           *parent, *w;
6396         struct swm_region       *r;
6397         struct workspace        *ws;
6398         xcb_icccm_wm_hints_t    wmh;
6399
6400         parent = find_window(win->transient);
6401         if (parent)
6402                 parent->child_trans = win;
6403         else {
6404                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6405                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6406
6407                 r = root_to_region(win->wa->root);
6408                 ws = r->ws;
6409                 /* parent doen't exist in our window list */
6410                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6411                         if (xcb_icccm_get_wm_hints_reply(conn,
6412                             xcb_icccm_get_wm_hints(conn, w->id),
6413                             &wmh, NULL) != 1) {
6414                                 warnx("can't get hints for 0x%x", w->id);
6415                                 continue;
6416                         }
6417
6418                         if (win->hints.window_group != wmh.window_group)
6419                                 continue;
6420
6421                         w->child_trans = win;
6422                         win->transient = w->id;
6423                         *trans = w->id;
6424                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6425                             "transient to 0x%x\n", win->transient);
6426                         break;
6427                 }
6428         }
6429 }
6430
6431 pid_t
6432 window_get_pid(xcb_window_t win)
6433 {
6434         pid_t                           ret = 0;
6435         const char                      *errstr;
6436         xcb_atom_t                      apid;
6437         xcb_get_property_cookie_t       pc;
6438         xcb_get_property_reply_t        *pr;
6439
6440         apid = get_atom_from_string("_NET_WM_PID");
6441         if (apid == XCB_ATOM_NONE)
6442                 goto tryharder;
6443
6444         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6445         pr = xcb_get_property_reply(conn, pc, NULL);
6446         if (!pr)
6447                 goto tryharder;
6448         if (pr->type != XCB_ATOM_CARDINAL) {
6449                 free(pr);
6450                 goto tryharder;
6451         }
6452
6453         if (pr->type == apid && pr->format == 32)
6454                 ret = *((pid_t *)xcb_get_property_value(pr));
6455         free(pr);
6456
6457         return (ret);
6458
6459 tryharder:
6460         apid = get_atom_from_string("_SWM_PID");
6461         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
6462             0, SWM_PROPLEN);
6463         pr = xcb_get_property_reply(conn, pc, NULL);
6464         if (!pr)
6465                 return (0);
6466         if (pr->type != apid) {
6467                 free(pr);
6468                 return (0);
6469         }
6470
6471         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6472         free(pr);
6473
6474         return (ret);
6475 }
6476
6477 int
6478 get_ws_idx(xcb_window_t id)
6479 {
6480         int                     ws_idx = -1;
6481         char                    *prop = NULL;
6482         size_t                  proplen;
6483         const char              *errstr;
6484         xcb_get_property_reply_t        *gpr;
6485
6486         gpr = xcb_get_property_reply(conn,
6487                 xcb_get_property(conn, 0, id, a_swm_ws,
6488                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
6489                 NULL);
6490         if (!gpr)
6491                 return (-1);
6492         if (gpr->type) {
6493                 proplen = xcb_get_property_value_length(gpr);
6494                 if (proplen > 0) {
6495                         prop = malloc(proplen + 1);
6496                         if (prop) {
6497                                 memcpy(prop,
6498                                     xcb_get_property_value(gpr),
6499                                     proplen);
6500                                 prop[proplen] = '\0';
6501                         }
6502                 }
6503         }
6504         free(gpr);
6505
6506         if (prop) {
6507                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
6508                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
6509                 if (errstr) {
6510                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
6511                             errstr, prop);
6512                 }
6513                 free(prop);
6514         }
6515
6516         return ws_idx;
6517 }
6518
6519 struct ws_win *
6520 manage_window(xcb_window_t id)
6521 {
6522         xcb_window_t            trans = XCB_WINDOW_NONE;
6523         struct workspace        *ws;
6524         struct ws_win           *win, *ww;
6525         int                     ws_idx, border_me = 0;
6526         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6527         struct swm_region       *r;
6528         struct pid_e            *p;
6529         struct quirk            *qp;
6530         uint32_t                event_mask, i;
6531         xcb_icccm_get_wm_protocols_reply_t      wpr;
6532
6533         if ((win = find_window(id)) != NULL)
6534                 return (win);   /* already being managed */
6535
6536         /* see if we are on the unmanaged list */
6537         if ((win = find_unmanaged_window(id)) != NULL) {
6538                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6539                     "window: 0x%x\n", win->id);
6540                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6541                 if (win->transient)
6542                         set_child_transient(win, &trans);
6543
6544                 if (trans && (ww = find_window(trans)))
6545                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6546                 else if ((ww = win->ws->focus) &&
6547                     spawn_position == SWM_STACK_ABOVE)
6548                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6549                             win, entry);
6550                 else if (ww && spawn_position == SWM_STACK_BELOW)
6551                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6552                 else switch (spawn_position) {
6553                 default:
6554                 case SWM_STACK_TOP:
6555                 case SWM_STACK_ABOVE:
6556                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6557                         break;
6558                 case SWM_STACK_BOTTOM:
6559                 case SWM_STACK_BELOW:
6560                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6561                 }
6562
6563                 ewmh_update_actions(win);
6564                 return (win);
6565         }
6566
6567         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6568                 err(1, "manage_window: calloc: failed to allocate memory for "
6569                     "new window");
6570
6571         win->id = id;
6572         win->bordered = 0;
6573
6574         /* see if we need to override the workspace */
6575         p = find_pid(window_get_pid(id));
6576
6577         /* Get all the window data in one shot */
6578         ws_idx = get_ws_idx(id);
6579
6580         win->wa = xcb_get_geometry_reply(conn,
6581             xcb_get_geometry(conn, id),
6582             NULL);
6583         xcb_icccm_get_wm_normal_hints_reply(conn,
6584             xcb_icccm_get_wm_normal_hints(conn, id),
6585             &win->sh, NULL);
6586         xcb_icccm_get_wm_hints_reply(conn,
6587             xcb_icccm_get_wm_hints(conn, id),
6588             &win->hints, NULL);
6589         xcb_icccm_get_wm_transient_for_reply(conn,
6590             xcb_icccm_get_wm_transient_for(conn, id),
6591             &trans, NULL);
6592         if (trans) {
6593                 win->transient = trans;
6594                 set_child_transient(win, &trans);
6595                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6596                     "transient: 0x%x\n", win->id, win->transient);
6597         }
6598
6599         /* get supported protocols */
6600         if (xcb_icccm_get_wm_protocols_reply(conn,
6601             xcb_icccm_get_wm_protocols(conn, id, a_prot),
6602             &wpr, NULL)) {
6603                 for (i = 0; i < wpr.atoms_len; i++) {
6604                         if (wpr.atoms[i] == a_takefocus)
6605                                 win->take_focus = 1;
6606                         if (wpr.atoms[i] == a_delete)
6607                                 win->can_delete = 1;
6608                 }
6609                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6610         }
6611
6612         win->iconic = get_iconic(win);
6613
6614         /*
6615          * Figure out where to put the window. If it was previously assigned to
6616          * a workspace (either by spawn() or manually moving), and isn't
6617          * transient, * put it in the same workspace
6618          */
6619         r = root_to_region(win->wa->root);
6620         if (p) {
6621                 ws = &r->s->ws[p->ws];
6622                 TAILQ_REMOVE(&pidlist, p, entry);
6623                 free(p);
6624                 p = NULL;
6625         } else if (ws_idx != -1 && win->transient == 0) {
6626                 ws = &r->s->ws[ws_idx];
6627         } else {
6628                 ws = r->ws;
6629                 /* this should launch transients in the same ws as parent */
6630                 if (id && trans)
6631                         if ((ww = find_window(trans)) != NULL)
6632                                 if (ws->r) {
6633                                         ws = ww->ws;
6634                                         if (ww->ws->r)
6635                                                 r = ww->ws->r;
6636                                         else
6637                                                 warnx("manage_window: fix this "
6638                                                     "bug mcbride");
6639                                         border_me = 1;
6640                                 }
6641         }
6642
6643         /* set up the window layout */
6644         win->id = id;
6645         win->ws = ws;
6646         win->s = r->s;  /* this never changes */
6647         if (trans && (ww = find_window(trans)))
6648                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6649         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6650                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6651                     entry);
6652         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6653                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6654         else switch (spawn_position) {
6655         default:
6656         case SWM_STACK_TOP:
6657         case SWM_STACK_ABOVE:
6658                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6659                 break;
6660         case SWM_STACK_BOTTOM:
6661         case SWM_STACK_BELOW:
6662                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6663         }
6664
6665         /* ignore window border if there is one. */
6666         WIDTH(win) = win->wa->width;
6667         HEIGHT(win) = win->wa->height;
6668         X(win) = win->wa->x + win->wa->border_width;
6669         Y(win) = win->wa->y + win->wa->border_width;
6670         win->bordered = 0;
6671         win->g_floatvalid = 0;
6672         win->floatmaxed = 0;
6673         win->ewmh_flags = 0;
6674
6675         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6676             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6677             HEIGHT(win), ws->idx);
6678
6679         constrain_window(win, r, 0);
6680
6681         /* Set window properties so we can remember this after reincarnation */
6682         if (prop == NULL && snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6683             SWM_PROPLEN) {
6684                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6685                     ws_idx_str);
6686                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6687                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6688                     ws_idx_str);
6689         }
6690         if (prop)
6691                 free(prop);
6692
6693         ewmh_autoquirk(win);
6694
6695         if (xcb_icccm_get_wm_class_reply(conn,
6696             xcb_icccm_get_wm_class(conn, win->id),
6697             &win->ch, NULL)) {
6698                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6699                     win->ch.class_name, win->ch.instance_name);
6700
6701                 /* java is retarded so treat it special */
6702                 if (strstr(win->ch.instance_name, "sun-awt")) {
6703                         win->java = 1;
6704                         border_me = 1;
6705                 }
6706
6707                 TAILQ_FOREACH(qp, &quirks, entry) {
6708                         if (!strcmp(win->ch.class_name, qp->class) &&
6709                             !strcmp(win->ch.instance_name, qp->name)) {
6710                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6711                                     "class: %s, name: %s\n", win->ch.class_name,
6712                                     win->ch.instance_name);
6713                                 if (qp->quirk & SWM_Q_FLOAT) {
6714                                         win->floating = 1;
6715                                         border_me = 1;
6716                                 }
6717                                 win->quirks = qp->quirk;
6718                         }
6719                 }
6720         }
6721
6722         /* alter window position if quirky */
6723         if (win->quirks & SWM_Q_ANYWHERE) {
6724                 win->manual = 1; /* don't center the quirky windows */
6725                 if (bar_enabled && Y(win) < bar_height)
6726                         Y(win) = bar_height;
6727                 if (WIDTH(win) + X(win) > WIDTH(r))
6728                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6729                 border_me = 1;
6730         }
6731
6732         /* Reset font sizes (the bruteforce way; no default keybinding). */
6733         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6734                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6735                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6736                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6737                         fake_keypress(win, XK_KP_Add, ShiftMask);
6738         }
6739
6740         ewmh_get_win_state(win);
6741         ewmh_update_actions(win);
6742         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6743
6744         /* border me */
6745         if (border_me) {
6746                 win->bordered = 1;
6747                 X(win) -= border_width;
6748                 Y(win) -= border_width;
6749                 update_window(win);
6750         }
6751
6752         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6753             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6754 #ifdef SWM_DEBUG
6755         event_mask |= XCB_EVENT_MASK_LEAVE_WINDOW;
6756 #endif
6757
6758         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6759
6760         /* floaters need to be mapped if they are in the current workspace */
6761         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6762                 map_window_raised(win->id);
6763
6764         return (win);
6765 }
6766
6767 void
6768 free_window(struct ws_win *win)
6769 {
6770         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6771
6772         if (win == NULL)
6773                 return;
6774
6775         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6776
6777         if (win->wa)
6778                 free(win->wa);
6779
6780         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6781
6782         kill_refs(win);
6783
6784         /* paint memory */
6785         memset(win, 0xff, sizeof *win); /* XXX kill later */
6786
6787         free(win);
6788         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6789 }
6790
6791 void
6792 unmanage_window(struct ws_win *win)
6793 {
6794         struct ws_win           *parent;
6795         xcb_screen_t            *screen;
6796
6797         if (win == NULL)
6798                 return;
6799
6800         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6801
6802         if (win->transient) {
6803                 parent = find_window(win->transient);
6804                 if (parent)
6805                         parent->child_trans = NULL;
6806         }
6807
6808         /* focus on root just in case */
6809         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6810         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6811             screen->root, XCB_CURRENT_TIME);
6812
6813         focus_prev(win);
6814
6815         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6816         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6817 }
6818
6819 void
6820 focus_magic(struct ws_win *win)
6821 {
6822         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6823
6824         if (win == NULL) {
6825                 /* if there are no windows clear the status-bar */
6826                 bar_update();
6827                 return;
6828         }
6829
6830         if (win->child_trans) {
6831                 /* win = parent & has a transient so focus on that */
6832                 if (win->java) {
6833                         focus_win(win->child_trans);
6834                         if (win->child_trans->take_focus)
6835                                 client_msg(win, a_takefocus);
6836                 } else {
6837                         /* make sure transient hasn't disappeared */
6838                         if (validate_win(win->child_trans) == 0) {
6839                                 focus_win(win->child_trans);
6840                                 if (win->child_trans->take_focus)
6841                                         client_msg(win->child_trans,
6842                                             a_takefocus);
6843                         } else {
6844                                 win->child_trans = NULL;
6845                                 focus_win(win);
6846                                 if (win->take_focus)
6847                                         client_msg(win, a_takefocus);
6848                         }
6849                 }
6850         } else {
6851                 /* regular focus */
6852                 focus_win(win);
6853                 if (win->take_focus)
6854                         client_msg(win, a_takefocus);
6855         }
6856 }
6857
6858 void
6859 expose(xcb_expose_event_t *e)
6860 {
6861         int                     i, num_screens;
6862         struct swm_region       *r;
6863
6864         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6865
6866         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6867         for (i = 0; i < num_screens; i++)
6868                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6869                         if (e->window == WINID(r->bar))
6870                                 bar_update();
6871
6872         xcb_flush(conn);
6873 }
6874
6875 #ifdef SWM_DEBUG
6876 void
6877 focusin(xcb_focus_in_event_t *e)
6878 {
6879         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
6880             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
6881             e->mode, get_notify_detail_label(e->detail), e->detail);
6882 }
6883 #endif
6884
6885 void
6886 keypress(xcb_key_press_event_t *e)
6887 {
6888         xcb_keysym_t            keysym;
6889         struct key              *kp;
6890
6891         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
6892
6893         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
6894
6895         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6896                 return;
6897
6898         if (kp->funcid == KF_SPAWN_CUSTOM)
6899                 spawn_custom(root_to_region(e->root),
6900                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
6901         else if (keyfuncs[kp->funcid].func)
6902                 keyfuncs[kp->funcid].func(root_to_region(e->root),
6903                     &(keyfuncs[kp->funcid].args));
6904 }
6905
6906 void
6907 buttonpress(xcb_button_press_event_t *e)
6908 {
6909         struct ws_win           *win;
6910         int                     i;
6911         unsigned int            action;
6912
6913         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
6914             e->event, e->detail);
6915
6916         if ((win = find_window(e->event)) == NULL)
6917                 return;
6918
6919         focus_magic(win);
6920         action = client_click;
6921
6922         for (i = 0; i < LENGTH(buttons); i++)
6923                 if (action == buttons[i].action && buttons[i].func &&
6924                     buttons[i].button == e->detail &&
6925                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6926                         buttons[i].func(win, &buttons[i].args);
6927
6928         xcb_flush(conn);
6929 }
6930
6931 #ifdef SWM_DEBUG
6932 void
6933 print_win_geom(xcb_window_t w)
6934 {
6935         xcb_get_geometry_reply_t        *wa;
6936
6937         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
6938
6939         if (!wa) {
6940                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
6941                     w);
6942                 return;
6943         }
6944
6945         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
6946             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
6947             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
6948             wa->border_width);
6949
6950         free(wa);
6951 }
6952 #endif
6953
6954 void
6955 configurerequest(xcb_configure_request_event_t *e)
6956 {
6957         struct ws_win           *win;
6958         int                     new = 0, i = 0;
6959         uint16_t                mask = 0;
6960         uint32_t                wc[7] = {0};
6961
6962         if ((win = find_window(e->window)) == NULL)
6963                 if ((win = find_unmanaged_window(e->window)) == NULL)
6964                         new = 1;
6965 #ifdef SWM_DEBUG
6966         print_win_geom(e->window);
6967 #endif
6968         if (new) {
6969                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6970                     "value_mask: 0x%x", e->window, e->value_mask);
6971                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6972                         mask |= XCB_CONFIG_WINDOW_X;
6973                         wc[i++] = e->x;
6974                         DPRINTF(", X: %d", e->x);
6975                 }
6976                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6977                         mask |= XCB_CONFIG_WINDOW_Y;
6978                         wc[i++] = e->y;
6979                         DPRINTF(", Y: %d", e->y);
6980                 }
6981                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6982                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6983                         wc[i++] = e->width;
6984                         DPRINTF(", W: %u", e->width);
6985                 }
6986                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6987                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6988                         wc[i++] = e->height;
6989                         DPRINTF(", H: %u", e->height);
6990                 }
6991                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6992                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6993                         wc[i++] = e->border_width;
6994                         DPRINTF(", Border: %u", e->border_width);
6995                 }
6996                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6997                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6998                         wc[i++] = e->sibling;
6999                         DPRINTF(", Sibling: 0x%x", e->sibling);
7000                 }
7001                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
7002                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
7003                         wc[i++] = e->stack_mode;
7004                         DPRINTF(", StackMode: %u", e->stack_mode);
7005                 }
7006
7007                 if (mask != 0)
7008                         xcb_configure_window(conn, e->window, mask, wc);
7009
7010                 DPRINTF(", Sent: %s\n", YESNO((mask != 0)));
7011         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
7012             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
7013                 win->g_float.x = e->x - X(win->ws->r);
7014                 win->g_float.y = e->y - Y(win->ws->r);
7015                 win->g_float.w = e->width;
7016                 win->g_float.h = e->height;
7017                 win->g_floatvalid = 1;
7018
7019                 if (win->floating) {
7020                         win->g = win->g_float;
7021                         win->g.x += X(win->ws->r);
7022                         win->g.y += Y(win->ws->r);
7023                         update_window(win);
7024                 } else {
7025                         config_win(win, e);
7026                 }
7027         } else {
7028                 config_win(win, e);
7029         }
7030
7031         xcb_flush(conn);
7032 }
7033
7034 void
7035 configurenotify(xcb_configure_notify_event_t *e)
7036 {
7037         struct ws_win           *win;
7038
7039         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
7040             e->window);
7041
7042         win = find_window(e->window);
7043         if (win) {
7044                 xcb_icccm_get_wm_normal_hints_reply(conn,
7045                     xcb_icccm_get_wm_normal_hints(conn, win->id),
7046                     &win->sh, NULL);
7047                 adjust_font(win);
7048                 if (font_adjusted)
7049                         stack();
7050         }
7051 }
7052
7053 void
7054 destroynotify(xcb_destroy_notify_event_t *e)
7055 {
7056         struct ws_win           *win;
7057
7058         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
7059
7060         if ((win = find_window(e->window)) == NULL) {
7061                 if ((win = find_unmanaged_window(e->window)) == NULL)
7062                         return;
7063                 free_window(win);
7064                 return;
7065         }
7066
7067         /* make sure we focus on something */
7068         win->floating = 0;
7069
7070         unmanage_window(win);
7071         stack();
7072         free_window(win);
7073 }
7074
7075 #ifdef SWM_DEBUG
7076 char *
7077 get_notify_detail_label(uint8_t detail)
7078 {
7079         char *label;
7080
7081         switch (detail) {
7082         case XCB_NOTIFY_DETAIL_ANCESTOR:
7083                 label = "Ancestor";
7084                 break;
7085         case XCB_NOTIFY_DETAIL_VIRTUAL:
7086                 label = "Virtual";
7087                 break;
7088         case XCB_NOTIFY_DETAIL_INFERIOR:
7089                 label = "Inferior";
7090                 break;
7091         case XCB_NOTIFY_DETAIL_NONLINEAR:
7092                 label = "Nonlinear";
7093                 break;
7094         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
7095                 label = "NonlinearVirtual";
7096                 break;
7097         case XCB_NOTIFY_DETAIL_POINTER:
7098                 label = "Pointer";
7099                 break;
7100         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
7101                 label = "PointerRoot";
7102                 break;
7103         case XCB_NOTIFY_DETAIL_NONE:
7104                 label = "None";
7105                 break;
7106         default:
7107                 label = "Unknown";
7108         }
7109
7110         return label;
7111 }
7112
7113 char *
7114 get_notify_mode_label(uint8_t mode)
7115 {
7116         char *label;
7117
7118         switch (mode) {
7119         case XCB_NOTIFY_MODE_NORMAL:
7120                 label = "Normal";
7121                 break;
7122         case XCB_NOTIFY_MODE_GRAB:
7123                 label = "Grab";
7124                 break;
7125         case XCB_NOTIFY_MODE_UNGRAB:
7126                 label = "Ungrab";
7127                 break;
7128         case XCB_NOTIFY_MODE_WHILE_GRABBED:
7129                 label = "WhileGrabbed";
7130                 break;
7131         default:
7132                 label = "Unknown";
7133         }
7134
7135         return label;
7136 }
7137 #endif
7138
7139 void
7140 enternotify(xcb_enter_notify_event_t *e)
7141 {
7142         struct ws_win           *win;
7143         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %s(%d), "
7144             "detail: %s(%d), root: 0x%x, subwindow: 0x%x, same_screen_focus: "
7145             "%s, state: %d\n", e->event, get_notify_mode_label(e->mode),
7146             e->mode, get_notify_detail_label(e->detail), e->detail, e->root,
7147             e->child, YESNO(e->same_screen_focus), e->state);
7148
7149         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
7150                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
7151                     "cursor grab.\n");
7152                 return;
7153         }
7154
7155         switch (focus_mode) {
7156         case SWM_FOCUS_DEFAULT:
7157                 break;
7158         case SWM_FOCUS_FOLLOW:
7159                 break;
7160         case SWM_FOCUS_SYNERGY:
7161                 break;
7162         }
7163
7164         if ((win = find_window(e->event)) == NULL) {
7165                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7166                 return;
7167         }
7168
7169         focus_magic(win);
7170
7171         xcb_flush(conn);
7172 }
7173
7174 #ifdef SWM_DEBUG
7175 void
7176 leavenotify(xcb_leave_notify_event_t *e)
7177 {
7178         DNPRINTF(SWM_D_FOCUS, "leavenotify: window: 0x%x, mode: %s(%d), "
7179             "detail: %s(%d), root: 0x%x, subwindow: 0x%x, same_screen_focus: "
7180             "%s, state: %d\n", e->event, get_notify_mode_label(e->mode),
7181             e->mode, get_notify_detail_label(e->detail), e->detail, e->root,
7182             e->child, YESNO(e->same_screen_focus), e->state);
7183 }
7184 #endif
7185
7186 /* lets us use one switch statement for arbitrary mode/detail combinations */
7187 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7188
7189 void
7190 mapnotify(xcb_map_notify_event_t *e)
7191 {
7192         struct ws_win           *win;
7193
7194         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
7195
7196         win = manage_window(e->window);
7197         if (win)
7198                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7199
7200         /*
7201          * focus_win can only set input focus on a mapped window.
7202          * make sure the window really has focus since it is just being mapped.
7203          */
7204         if (win->ws->focus == win)
7205                 focus_win(win);
7206 }
7207
7208 void
7209 mappingnotify(xcb_mapping_notify_event_t *e)
7210 {
7211         xcb_refresh_keyboard_mapping(syms, e);
7212
7213         if (e->request == XCB_MAPPING_KEYBOARD)
7214                 grabkeys();
7215 }
7216
7217 void
7218 maprequest(xcb_map_request_event_t *e)
7219 {
7220         struct ws_win           *win;
7221         struct swm_region       *r;
7222         xcb_get_window_attributes_reply_t *war;
7223
7224         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
7225             e->window);
7226
7227         war = xcb_get_window_attributes_reply(conn,
7228             xcb_get_window_attributes(conn, e->window),
7229             NULL);
7230         if (!war)
7231                 return;
7232         if (war->override_redirect) {
7233                 free(war);
7234                 return;
7235         }
7236         free(war);
7237
7238         win = manage_window(e->window);
7239         if (win == NULL) {
7240                 return; /* can't happen */
7241         }
7242
7243         stack();
7244
7245         /* make new win focused */
7246         r = root_to_region(win->wa->root);
7247         if (win->ws == r->ws)
7248                 focus_magic(win);
7249 }
7250
7251 #ifdef SWM_DEBUG
7252 char *
7253 get_atom_name(xcb_atom_t atom)
7254 {
7255         char                            *name = NULL;
7256         size_t                          len;
7257         xcb_get_atom_name_reply_t       *r;
7258
7259         r = xcb_get_atom_name_reply(conn,
7260             xcb_get_atom_name(conn, atom),
7261             NULL);
7262         if (r) {
7263                 len = xcb_get_atom_name_name_length(r);
7264                 if (len > 0) {
7265                         name = malloc(len + 1);
7266                         if (name) {
7267                                 memcpy(name, xcb_get_atom_name_name(r), len);
7268                                 name[len] = '\0';
7269                         }
7270                 }
7271                 free(r);
7272         }
7273
7274         return (name);
7275 }
7276 #endif
7277
7278 void
7279 propertynotify(xcb_property_notify_event_t *e)
7280 {
7281         struct ws_win           *win;
7282 #ifdef SWM_DEBUG
7283         char                    *name;
7284
7285         name = get_atom_name(e->atom);
7286         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u)\n",
7287             e->window, name, e->atom);
7288         free(name);
7289 #endif
7290
7291         win = find_window(e->window);
7292         if (win == NULL)
7293                 return;
7294
7295         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7296                 update_iconic(win, 0);
7297                 map_window_raised(win->id);
7298                 stack();
7299                 focus_win(win);
7300                 return;
7301         }
7302
7303         switch (e->atom) {
7304         case XCB_ATOM_WM_CLASS:
7305         case XCB_ATOM_WM_NAME:
7306                 bar_update();
7307                 break;
7308         default:
7309                 break;
7310         }
7311 }
7312
7313 void
7314 unmapnotify(xcb_unmap_notify_event_t *e)
7315 {
7316         struct ws_win           *win;
7317
7318         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7319
7320         /* determine if we need to help unmanage this window */
7321         win = find_window(e->window);
7322         if (win == NULL)
7323                 return;
7324
7325         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7326                 unmanage_window(win);
7327                 stack();
7328
7329                 /* resend unmap because we ated it */
7330                 xcb_unmap_window(conn, e->window);
7331                 xcb_flush(conn);
7332         }
7333 }
7334
7335 #if 0
7336 void
7337 visibilitynotify(xcb_visibility_notify_event_t *e)
7338 {
7339         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7340             e->window);
7341 }
7342 #endif
7343
7344 void
7345 clientmessage(xcb_client_message_event_t *e)
7346 {
7347         struct ws_win *win;
7348         xcb_map_request_event_t mre;
7349 #ifdef SWM_DEBUG
7350         char                    *name;
7351
7352         name = get_atom_name(e->type);
7353         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
7354             e->window, name, e->type);
7355         free(name);
7356 #endif
7357         win = find_window(e->window);
7358
7359         if (win == NULL) {
7360                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7361                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7362                             "unmanaged window.\n");
7363                         mre.window = e->window;
7364                         maprequest(&mre);
7365                 }
7366                 return;
7367         }
7368
7369         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7370                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7371                 focus_win(win);
7372         }
7373         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7374                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7375                 if (win->can_delete)
7376                         client_msg(win, a_delete);
7377                 else
7378                         xcb_kill_client(conn, win->id);
7379         }
7380         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7381                 DNPRINTF(SWM_D_EVENT,
7382                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7383                 if (win->floating) {
7384                         if (e->data.data32[0] & (1<<8)) /* x */
7385                                 X(win) = e->data.data32[1];
7386                         if (e->data.data32[0] & (1<<9)) /* y */
7387                                 Y(win) = e->data.data32[2];
7388                         if (e->data.data32[0] & (1<<10)) /* width */
7389                                 WIDTH(win) = e->data.data32[3];
7390                         if (e->data.data32[0] & (1<<11)) /* height */
7391                                 HEIGHT(win) = e->data.data32[4];
7392
7393                         update_window(win);
7394                 }
7395                 else {
7396                         /* TODO: Change stack sizes */
7397                         /* notify no change was made. */
7398                         config_win(win, NULL);
7399                 }
7400         }
7401         if (e->type == ewmh[_NET_WM_STATE].atom) {
7402                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7403                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7404                 if (e->data.data32[2])
7405                         ewmh_update_win_state(win, e->data.data32[2],
7406                             e->data.data32[0]);
7407
7408                 stack();
7409         }
7410
7411         xcb_flush(conn);
7412 }
7413
7414 void
7415 check_conn(void)
7416 {
7417         int      errcode = xcb_connection_has_error(conn);
7418 #ifdef XCB_CONN_ERROR
7419         char    *s;
7420         switch (errcode) {
7421         case XCB_CONN_ERROR:
7422                 s = "Socket error, pipe error or other stream error.";
7423                 break;
7424         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
7425                 s = "Extension not supported.";
7426                 break;
7427         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
7428                 s = "Insufficient memory.";
7429                 break;
7430         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
7431                 s = "Request length was exceeded.";
7432                 break;
7433         case XCB_CONN_CLOSED_PARSE_ERR:
7434                 s = "Error parsing display string.";
7435                 break;
7436         default:
7437                 s = "Unknown error.";
7438         }
7439         if (errcode)
7440                 errx(errcode, "X CONNECTION ERROR: %s", s);
7441 #else
7442         if (errcode)
7443                 errx(errcode, "X CONNECTION ERROR");
7444 #endif
7445 }
7446
7447 int
7448 enable_wm(void)
7449 {
7450         int                     num_screens, i;
7451         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7452         xcb_screen_t            *sc;
7453         xcb_void_cookie_t       wac;
7454         xcb_generic_error_t     *error;
7455
7456         /* this causes an error if some other window manager is running */
7457         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7458         for (i = 0; i < num_screens; i++) {
7459                 if ((sc = get_screen(i)) == NULL)
7460                         errx(1, "ERROR: can't get screen %d.", i);
7461                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
7462                     i, sc->root);
7463                 wac = xcb_change_window_attributes_checked(conn, sc->root,
7464                     XCB_CW_EVENT_MASK, &val);
7465                 if ((error = xcb_request_check(conn, wac))) {
7466                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
7467                             error->error_code);
7468                         free(error);
7469                         return 1;
7470                 }
7471         }
7472
7473         return 0;
7474 }
7475
7476 void
7477 new_region(struct swm_screen *s, int x, int y, int w, int h)
7478 {
7479         struct swm_region       *r, *n;
7480         struct workspace        *ws = NULL;
7481         int                     i;
7482
7483         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7484              s->idx, w, h, x, y);
7485
7486         /* remove any conflicting regions */
7487         n = TAILQ_FIRST(&s->rl);
7488         while (n) {
7489                 r = n;
7490                 n = TAILQ_NEXT(r, entry);
7491                 if (X(r) < (x + w) &&
7492                     (X(r) + WIDTH(r)) > x &&
7493                     Y(r) < (y + h) &&
7494                     (Y(r) + HEIGHT(r)) > y) {
7495                         if (r->ws->r != NULL)
7496                                 r->ws->old_r = r->ws->r;
7497                         r->ws->r = NULL;
7498                         bar_cleanup(r);
7499                         TAILQ_REMOVE(&s->rl, r, entry);
7500                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7501                 }
7502         }
7503
7504         /* search old regions for one to reuse */
7505
7506         /* size + location match */
7507         TAILQ_FOREACH(r, &s->orl, entry)
7508                 if (X(r) == x && Y(r) == y &&
7509                     HEIGHT(r) == h && WIDTH(r) == w)
7510                         break;
7511
7512         /* size match */
7513         TAILQ_FOREACH(r, &s->orl, entry)
7514                 if (HEIGHT(r) == h && WIDTH(r) == w)
7515                         break;
7516
7517         if (r != NULL) {
7518                 TAILQ_REMOVE(&s->orl, r, entry);
7519                 /* try to use old region's workspace */
7520                 if (r->ws->r == NULL)
7521                         ws = r->ws;
7522         } else
7523                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7524                         err(1, "new_region: calloc: failed to allocate memory "
7525                             "for screen");
7526
7527         /* if we don't have a workspace already, find one */
7528         if (ws == NULL) {
7529                 for (i = 0; i < workspace_limit; i++)
7530                         if (s->ws[i].r == NULL) {
7531                                 ws = &s->ws[i];
7532                                 break;
7533                         }
7534         }
7535
7536         if (ws == NULL)
7537                 errx(1, "new_region: no free workspaces");
7538
7539         X(r) = x;
7540         Y(r) = y;
7541         WIDTH(r) = w;
7542         HEIGHT(r) = h;
7543         r->s = s;
7544         r->ws = ws;
7545         r->ws_prior = NULL;
7546         ws->r = r;
7547         outputs++;
7548         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7549 }
7550
7551 void
7552 scan_xrandr(int i)
7553 {
7554 #ifdef SWM_XRR_HAS_CRTC
7555         int                                             c;
7556         int                                             ncrtc = 0;
7557 #endif /* SWM_XRR_HAS_CRTC */
7558         struct swm_region                               *r;
7559         int                                             num_screens;
7560         xcb_randr_get_screen_resources_current_cookie_t src;
7561         xcb_randr_get_screen_resources_current_reply_t  *srr;
7562         xcb_randr_get_crtc_info_cookie_t                cic;
7563         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7564         xcb_randr_crtc_t                                *crtc;
7565         xcb_screen_t                                    *screen;
7566
7567         if ((screen = get_screen(i)) == NULL)
7568                 errx(1, "ERROR: can't get screen %d.", i);
7569
7570         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7571         if (i >= num_screens)
7572                 errx(1, "scan_xrandr: invalid screen");
7573
7574         /* remove any old regions */
7575         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7576                 r->ws->old_r = r->ws->r = NULL;
7577                 bar_cleanup(r);
7578                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7579                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7580         }
7581         outputs = 0;
7582
7583         /* map virtual screens onto physical screens */
7584 #ifdef SWM_XRR_HAS_CRTC
7585         if (xrandr_support) {
7586                 src = xcb_randr_get_screen_resources_current(conn,
7587                     screens[i].root);
7588                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7589                     NULL);
7590                 if (srr == NULL) {
7591                         new_region(&screens[i], 0, 0,
7592                             screen->width_in_pixels,
7593                             screen->height_in_pixels);
7594                         return;
7595                 } else
7596                         ncrtc = srr->num_crtcs;
7597
7598                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7599                 for (c = 0; c < ncrtc; c++) {
7600                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7601                             XCB_CURRENT_TIME);
7602                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7603                         if (cir == NULL)
7604                                 continue;
7605                         if (cir->num_outputs == 0) {
7606                                 free(cir);
7607                                 continue;
7608                         }
7609
7610                         if (cir->mode == 0)
7611                                 new_region(&screens[i], 0, 0,
7612                                     screen->width_in_pixels,
7613                                     screen->height_in_pixels);
7614                         else
7615                                 new_region(&screens[i],
7616                                     cir->x, cir->y, cir->width, cir->height);
7617                         free(cir);
7618                 }
7619                 free(srr);
7620         } else
7621 #endif /* SWM_XRR_HAS_CRTC */
7622         {
7623                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7624                     screen->height_in_pixels);
7625         }
7626 }
7627
7628 void
7629 screenchange(xcb_randr_screen_change_notify_event_t *e)
7630 {
7631         struct swm_region               *r;
7632         int                             i, num_screens;
7633
7634         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7635
7636         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7637         /* silly event doesn't include the screen index */
7638         for (i = 0; i < num_screens; i++)
7639                 if (screens[i].root == e->root)
7640                         break;
7641         if (i >= num_screens)
7642                 errx(1, "screenchange: screen not found");
7643
7644         /* brute force for now, just re-enumerate the regions */
7645         scan_xrandr(i);
7646
7647 #ifdef SWM_DEBUG
7648         print_win_geom(e->root);
7649 #endif
7650         /* add bars to all regions */
7651         for (i = 0; i < num_screens; i++)
7652                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7653                         bar_setup(r);
7654         stack();
7655 }
7656
7657 void
7658 grab_windows(void)
7659 {
7660         xcb_window_t            *wins   = NULL;
7661         int                     no;
7662         int                     i, j, num_screens;
7663         uint16_t                state, manage;
7664
7665         xcb_query_tree_cookie_t                 qtc;
7666         xcb_query_tree_reply_t                  *qtr;
7667         xcb_get_window_attributes_cookie_t      c;
7668         xcb_get_window_attributes_reply_t       *r;
7669         xcb_get_property_cookie_t               pc;
7670
7671         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
7672         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7673         for (i = 0; i < num_screens; i++) {
7674                 qtc = xcb_query_tree(conn, screens[i].root);
7675                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7676                 if (!qtr)
7677                         continue;
7678                 wins = xcb_query_tree_children(qtr);
7679                 no = xcb_query_tree_children_length(qtr);
7680                 /* attach windows to a region */
7681                 /* normal windows */
7682                 for (j = 0; j < no; j++) {
7683                         c = xcb_get_window_attributes(conn, wins[j]);
7684                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7685                         if (!r)
7686                                 continue;
7687                         if (r->override_redirect) {
7688                                 free(r);
7689                                 continue;
7690                         }
7691
7692                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7693                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7694                             &wins[j], NULL)) {
7695                                 free(r);
7696                                 continue;
7697                         }
7698
7699                         state = getstate(wins[j]);
7700                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7701                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7702                                 manage_window(wins[j]);
7703                         free(r);
7704                 }
7705                 /* transient windows */
7706                 for (j = 0; j < no; j++) {
7707                         c = xcb_get_window_attributes(conn, wins[j]);
7708                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7709                         if (!r)
7710                                 continue;
7711                         if (r->override_redirect) {
7712                                 free(r);
7713                                 continue;
7714                         }
7715                         free(r);
7716
7717                         state = getstate(wins[j]);
7718                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7719                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7720                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7721                             &wins[j], NULL) && manage)
7722                                 manage_window(wins[j]);
7723                 }
7724                 free(qtr);
7725         }
7726         DNPRINTF(SWM_D_INIT, "grab_windows: done\n");
7727 }
7728
7729 void
7730 setup_screens(void)
7731 {
7732         int                     i, j, k, num_screens;
7733         struct workspace        *ws;
7734         uint32_t                gcv[1], wa[1];
7735         const xcb_query_extension_reply_t *qep;
7736         xcb_screen_t                            *screen;
7737         xcb_cursor_t                            cursor;
7738         xcb_font_t                              cursor_font;
7739         xcb_randr_query_version_cookie_t        c;
7740         xcb_randr_query_version_reply_t         *r;
7741
7742         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7743         if ((screens = calloc(num_screens,
7744              sizeof(struct swm_screen))) == NULL)
7745                 err(1, "setup_screens: calloc: failed to allocate memory for "
7746                     "screens");
7747
7748         /* initial Xrandr setup */
7749         xrandr_support = 0;
7750         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7751         if (qep->present) {
7752                 c = xcb_randr_query_version(conn, 1, 1);
7753                 r = xcb_randr_query_version_reply(conn, c, NULL);
7754                 if (r) {
7755                         if (r->major_version >= 1) {
7756                                 xrandr_support = 1;
7757                                 xrandr_eventbase = qep->first_event;
7758                         }
7759                         free(r);
7760                 }
7761         }
7762
7763         cursor_font = xcb_generate_id(conn);
7764         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7765
7766         cursor = xcb_generate_id(conn);
7767         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7768             XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7769         wa[0] = cursor;
7770
7771         /* map physical screens */
7772         for (i = 0; i < num_screens; i++) {
7773                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7774                 screens[i].idx = i;
7775                 TAILQ_INIT(&screens[i].rl);
7776                 TAILQ_INIT(&screens[i].orl);
7777                 if ((screen = get_screen(i)) == NULL)
7778                         errx(1, "ERROR: can't get screen %d.", i);
7779                 screens[i].root = screen->root;
7780
7781                 /* set default colors */
7782                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7783                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7784                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7785                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7786                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7787
7788                 /* create graphics context on screen */
7789                 screens[i].bar_gc = xcb_generate_id(conn);
7790                 gcv[0] = 0;
7791                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7792                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7793
7794                 /* set default cursor */
7795                 xcb_change_window_attributes(conn, screens[i].root,
7796                     XCB_CW_CURSOR, wa);
7797
7798                 /* init all workspaces */
7799                 /* XXX these should be dynamically allocated too */
7800                 for (j = 0; j < SWM_WS_MAX; j++) {
7801                         ws = &screens[i].ws[j];
7802                         ws->idx = j;
7803                         ws->name = NULL;
7804                         ws->focus = NULL;
7805                         ws->r = NULL;
7806                         ws->old_r = NULL;
7807                         TAILQ_INIT(&ws->winlist);
7808                         TAILQ_INIT(&ws->unmanagedlist);
7809
7810                         for (k = 0; layouts[k].l_stack != NULL; k++)
7811                                 if (layouts[k].l_config != NULL)
7812                                         layouts[k].l_config(ws,
7813                                             SWM_ARG_ID_STACKINIT);
7814                         ws->cur_layout = &layouts[0];
7815                         ws->cur_layout->l_string(ws);
7816                 }
7817
7818                 scan_xrandr(i);
7819
7820                 if (xrandr_support)
7821                         xcb_randr_select_input(conn, screens[i].root,
7822                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7823         }
7824         xcb_free_cursor(conn, cursor);
7825         xcb_close_font(conn, cursor_font);
7826 }
7827
7828 void
7829 setup_globals(void)
7830 {
7831         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7832                 err(1, "setup_globals: strdup: failed to allocate memory.");
7833
7834         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7835                 err(1, "setup_globals: strdup: failed to allocate memory.");
7836
7837         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
7838                 errx(1, "unable to allocate key symbols");
7839
7840         a_state = get_atom_from_string("WM_STATE");
7841         a_prot = get_atom_from_string("WM_PROTOCOLS");
7842         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
7843         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7844         a_wmname = get_atom_from_string("WM_NAME");
7845         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7846         a_utf8_string = get_atom_from_string("UTF8_STRING");
7847         a_string = get_atom_from_string("STRING");
7848         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7849         a_swm_ws = get_atom_from_string("_SWM_WS");
7850 }
7851
7852 void
7853 workaround(void)
7854 {
7855         int                     i, num_screens;
7856         xcb_atom_t              netwmcheck;
7857         xcb_window_t            root, win;
7858         uint32_t                wa[2];
7859
7860         /* work around sun jdk bugs, code from wmname */
7861         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7862
7863         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7864         for (i = 0; i < num_screens; i++) {
7865                 root = screens[i].root;
7866
7867                 win = xcb_generate_id(conn);
7868                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].pixel;
7869                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].pixel;
7870                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7871                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7872                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7873
7874                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7875                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7876                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7877                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7878                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7879                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
7880         }
7881 }
7882
7883 void
7884 event_error(xcb_generic_error_t *e)
7885 {
7886         (void)e;
7887
7888         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
7889             "resource_id: %u, minor_code: %u\n",
7890             xcb_event_get_error_label(e->error_code), e->error_code,
7891             xcb_event_get_request_label(e->major_code), e->major_code,
7892             e->sequence, e->resource_id, e->minor_code);
7893 }
7894
7895 void
7896 event_handle(xcb_generic_event_t *evt)
7897 {
7898         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7899
7900         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
7901             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
7902             XCB_EVENT_RESPONSE_TYPE(evt));
7903
7904         switch (type) {
7905 #define EVENT(type, callback) case type: callback((void *)evt); return
7906         EVENT(0, event_error);
7907         EVENT(XCB_BUTTON_PRESS, buttonpress);
7908         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7909         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
7910         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
7911         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7912         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
7913         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7914         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7915         /*EVENT(XCB_CREATE_NOTIFY, );*/
7916         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7917         EVENT(XCB_ENTER_NOTIFY, enternotify);
7918         EVENT(XCB_EXPOSE, expose);
7919 #ifdef SWM_DEBUG
7920         EVENT(XCB_FOCUS_IN, focusin);
7921 #endif
7922         /*EVENT(XCB_FOCUS_OUT, );*/
7923         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
7924         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
7925         EVENT(XCB_KEY_PRESS, keypress);
7926         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7927         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
7928 #ifdef SWM_DEBUG
7929         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
7930 #endif
7931         EVENT(XCB_MAP_NOTIFY, mapnotify);
7932         EVENT(XCB_MAP_REQUEST, maprequest);
7933         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7934         /*EVENT(XCB_MOTION_NOTIFY, );*/
7935         /*EVENT(XCB_NO_EXPOSURE, );*/
7936         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7937         /*EVENT(XCB_REPARENT_NOTIFY, );*/
7938         /*EVENT(XCB_RESIZE_REQUEST, );*/
7939         /*EVENT(XCB_SELECTION_CLEAR, );*/
7940         /*EVENT(XCB_SELECTION_NOTIFY, );*/
7941         /*EVENT(XCB_SELECTION_REQUEST, );*/
7942         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7943         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
7944 #undef EVENT
7945         }
7946         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7947                 screenchange((void *)evt);
7948 }
7949
7950 int
7951 main(int argc, char *argv[])
7952 {
7953         struct swm_region       *r, *rr;
7954         struct ws_win           *winfocus = NULL;
7955         union arg               a;
7956         char                    conf[PATH_MAX], *cfile = NULL;
7957         struct stat             sb;
7958         int                     xfd, i, num_screens;
7959         struct sigaction        sact;
7960         xcb_generic_event_t     *evt;
7961         struct timeval          tv;
7962         fd_set                  rd;
7963
7964         /* suppress unused warning since var is needed */
7965         (void)argc;
7966
7967         time_started = time(NULL);
7968
7969         start_argv = argv;
7970         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7971         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
7972                 warnx("no locale support");
7973
7974         /* handle some signals */
7975         bzero(&sact, sizeof(sact));
7976         sigemptyset(&sact.sa_mask);
7977         sact.sa_flags = 0;
7978         sact.sa_handler = sighdlr;
7979         sigaction(SIGINT, &sact, NULL);
7980         sigaction(SIGQUIT, &sact, NULL);
7981         sigaction(SIGTERM, &sact, NULL);
7982         sigaction(SIGHUP, &sact, NULL);
7983
7984         sact.sa_handler = sighdlr;
7985         sact.sa_flags = SA_NOCLDSTOP;
7986         sigaction(SIGCHLD, &sact, NULL);
7987
7988         if (!(display = XOpenDisplay(0)))
7989                 errx(1, "can not open display");
7990
7991         conn = XGetXCBConnection(display);
7992         if (xcb_connection_has_error(conn))
7993                 errx(1, "can not get XCB connection");
7994
7995         XSetEventQueueOwner(display, XCBOwnsEventQueue);
7996
7997         xcb_prefetch_extension_data(conn, &xcb_randr_id);
7998         xfd = xcb_get_file_descriptor(conn);
7999
8000         /* look for local and global conf file */
8001         pwd = getpwuid(getuid());
8002         if (pwd == NULL)
8003                 errx(1, "invalid user: %d", getuid());
8004
8005         xcb_grab_server(conn);
8006         xcb_aux_sync(conn);
8007
8008         /* flush all events */
8009         while ((evt = xcb_poll_for_event(conn))) {
8010                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
8011                         event_handle(evt);
8012                 free(evt);
8013         }
8014
8015         if (enable_wm() != 0)
8016                 errx(1, "another window manager is currently running");
8017
8018         xcb_aux_sync(conn);
8019
8020         setup_globals();
8021         setup_screens();
8022         setup_keys();
8023         setup_quirks();
8024         setup_spawn();
8025
8026         /* load config */
8027         for (i = 0; ; i++) {
8028                 conf[0] = '\0';
8029                 switch (i) {
8030                 case 0:
8031                         /* ~ */
8032                         snprintf(conf, sizeof conf, "%s/.%s",
8033                             pwd->pw_dir, SWM_CONF_FILE);
8034                         break;
8035                 case 1:
8036                         /* global */
8037                         snprintf(conf, sizeof conf, "/etc/%s",
8038                             SWM_CONF_FILE);
8039                         break;
8040                 case 2:
8041                         /* ~ compat */
8042                         snprintf(conf, sizeof conf, "%s/.%s",
8043                             pwd->pw_dir, SWM_CONF_FILE_OLD);
8044                         break;
8045                 case 3:
8046                         /* global compat */
8047                         snprintf(conf, sizeof conf, "/etc/%s",
8048                             SWM_CONF_FILE_OLD);
8049                         break;
8050                 default:
8051                         goto noconfig;
8052                 }
8053
8054                 if (strlen(conf) && stat(conf, &sb) != -1)
8055                         if (S_ISREG(sb.st_mode)) {
8056                                 cfile = conf;
8057                                 break;
8058                         }
8059         }
8060 noconfig:
8061
8062         /* load conf (if any) */
8063         if (cfile)
8064                 conf_load(cfile, SWM_CONF_DEFAULT);
8065
8066         setup_ewmh();
8067         /* set some values to work around bad programs */
8068         workaround();
8069         /* grab existing windows (before we build the bars) */
8070         grab_windows();
8071
8072         if (getenv("SWM_STARTED") == NULL)
8073                 setenv("SWM_STARTED", "YES", 1);
8074
8075         /* setup all bars */
8076         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8077         for (i = 0; i < num_screens; i++)
8078                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
8079                         if (winfocus == NULL)
8080                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
8081                         bar_setup(r);
8082                 }
8083
8084         //unfocus_all();
8085
8086         grabkeys();
8087         stack();
8088
8089         xcb_ungrab_server(conn);
8090         xcb_flush(conn);
8091
8092         while (running) {
8093                 while ((evt = xcb_poll_for_event(conn))) {
8094                         if (running == 0)
8095                                 goto done;
8096                         event_handle(evt);
8097                         free(evt);
8098                 }
8099
8100                 /* if we are being restarted go focus on first window */
8101                 if (winfocus) {
8102                         rr = winfocus->ws->r;
8103                         if (rr == NULL) {
8104                                 /* not a visible window */
8105                                 winfocus = NULL;
8106                                 continue;
8107                         }
8108                         /* move pointer to first screen if multi screen */
8109                         if (num_screens > 1 || outputs > 1)
8110                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
8111                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
8112                                     Y(rr) + (bar_enabled ? bar_height : 0));
8113
8114                         a.id = SWM_ARG_ID_FOCUSCUR;
8115                         focus(rr, &a);
8116                         winfocus = NULL;
8117                         continue;
8118                 }
8119
8120                 FD_ZERO(&rd);
8121                 FD_SET(xfd, &rd);
8122                 tv.tv_sec = 1;
8123                 tv.tv_usec = 0;
8124                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
8125                         if (errno != EINTR)
8126                                 DNPRINTF(SWM_D_MISC, "select failed");
8127                 if (restart_wm == 1)
8128                         restart(NULL, NULL);
8129                 if (search_resp == 1)
8130                         search_do_resp();
8131                 if (running == 0)
8132                         goto done;
8133                 if (bar_alarm) {
8134                         bar_alarm = 0;
8135                         bar_update();
8136                 }
8137         }
8138 done:
8139         teardown_ewmh();
8140         bar_extra_stop();
8141
8142         for (i = 0; i < num_screens; ++i)
8143                 if (screens[i].bar_gc != 0)
8144                         xcb_free_gc(conn, screens[i].bar_gc);
8145
8146         XftFontClose(display, bar_font);
8147         XftColorFree(display, DefaultVisual(display, 0),
8148             DefaultColormap(display, 0), &bar_font_color);
8149         xcb_key_symbols_free(syms);
8150         xcb_flush(conn);
8151         xcb_disconnect(conn);
8152
8153         return (0);
8154 }