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