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