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  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 /* kernel includes */
  58 #include <sys/types.h>
  59 #include <sys/time.h>
  60 #include <sys/stat.h>
  61 #include <sys/wait.h>
  62 #include <sys/queue.h>
  63 #include <sys/param.h>
  64 #include <sys/select.h>
  65 #if defined(__linux__)
  66 #include "tree.h"
  67 #elif defined(__OpenBSD__)
  68 #include <sys/tree.h>
  69 #elif defined(__FreeBSD__)
  70 #include <sys/tree.h>
  71 #else
  72 #include "tree.h"
  73 #endif
  74
  75 /* /usr/includes */
  76 #include <ctype.h>
  77 #include <err.h>
  78 #include <errno.h>
  79 #include <fcntl.h>
  80 #include <locale.h>
  81 #include <paths.h>
  82 #include <pwd.h>
  83 #include <signal.h>
  84 #include <stdio.h>
  85 #include <stdlib.h>
  86 #include <string.h>
  87 #include <time.h>
  88 #include <unistd.h>
  89 #include <util.h>
  90 #include <X11/cursorfont.h>
  91 #include <X11/extensions/Xrandr.h>
  92 #include <X11/Xft/Xft.h>
  93 #include <X11/Xlib-xcb.h>
  94 #include <xcb/xcb_atom.h>
  95 #include <xcb/xcb_aux.h>
  96 #include <xcb/xcb_event.h>
  97 #include <xcb/xcb_icccm.h>
  98 #include <xcb/xcb_keysyms.h>
  99 #include <xcb/xtest.h>
 100 #include <xcb/randr.h>
 101
 102 /* local includes */
 103 #include "version.h"
 104 #ifdef __OSX__
 105 #include <osx.h>
 106 #endif
 107
 108 #ifdef SPECTRWM_BUILDSTR
 109 static const char       *buildstr = SPECTRWM_BUILDSTR;
 110 #else
 111 static const char       *buildstr = SPECTRWM_VERSION;
 112 #endif
 113
 114 #if RANDR_MAJOR < 1
 115 #  error XRandR versions less than 1.0 are not supported
 116 #endif
 117
 118 #if RANDR_MAJOR >= 1
 119 #if RANDR_MINOR >= 2
 120 #define SWM_XRR_HAS_CRTC
 121 #endif
 122 #endif
 123
 124 #if defined(__OpenBSD__)
 125 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 126 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 127 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 128 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 129 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 130 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 131 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 132 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 133 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 134 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 135 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 136 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 137 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 138 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 139 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 140 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 141 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 142 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 143 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 144 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 145 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 146 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 147 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 148 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 149 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 150 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 151 #endif
 152
 153 #define SWM_DEBUG
 154 #ifdef SWM_DEBUG
 155 #define DPRINTF(x...) do {                                                      \
 156         if (swm_debug)                                                          \
 157                 fprintf(stderr, x);                                             \
 158 } while (0)
 159 #define DNPRINTF(n,x...) do {                                                   \
 160         if (swm_debug & n) {                                                    \
 161                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 162                 fprintf(stderr, x);                                             \
 163         }                                                                       \
 164 } while (0)
 165 #define SWM_D_MISC              0x0001
 166 #define SWM_D_EVENT             0x0002
 167 #define SWM_D_WS                0x0004
 168 #define SWM_D_FOCUS             0x0008
 169 #define SWM_D_MOVE              0x0010
 170 #define SWM_D_STACK             0x0020
 171 #define SWM_D_MOUSE             0x0040
 172 #define SWM_D_PROP              0x0080
 173 #define SWM_D_CLASS             0x0100
 174 #define SWM_D_KEY               0x0200
 175 #define SWM_D_QUIRK             0x0400
 176 #define SWM_D_SPAWN             0x0800
 177 #define SWM_D_EVENTQ            0x1000
 178 #define SWM_D_CONF              0x2000
 179 #define SWM_D_BAR               0x4000
 180 #define SWM_D_INIT              0x8000
 181
 182 u_int32_t               swm_debug = 0
 183                             | SWM_D_MISC
 184                             | SWM_D_EVENT
 185                             | SWM_D_WS
 186                             | SWM_D_FOCUS
 187                             | SWM_D_MOVE
 188                             | SWM_D_STACK
 189                             | SWM_D_MOUSE
 190                             | SWM_D_PROP
 191                             | SWM_D_CLASS
 192                             | SWM_D_KEY
 193                             | SWM_D_QUIRK
 194                             | SWM_D_SPAWN
 195                             | SWM_D_EVENTQ
 196                             | SWM_D_CONF
 197                             | SWM_D_BAR
 198                             | SWM_D_INIT
 199                             ;
 200 #else
 201 #define DPRINTF(x...)
 202 #define DNPRINTF(n,x...)
 203 #endif
 204
 205 /* convert 8-bit to 16-bit */
 206 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 207
 208 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 209         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 210         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 211         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 212         xrc.alpha = 0xffff;
 213
 214 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 215 #define MODKEY                  Mod1Mask
 216 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | LockMask))
 217 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 218 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 219 #define SWM_PROPLEN             (16)
 220 #define SWM_FUNCNAME_LEN        (32)
 221 #define SWM_KEYS_LEN            (255)
 222 #define SWM_QUIRK_LEN           (64)
 223 #define X(r)                    (r)->g.x
 224 #define Y(r)                    (r)->g.y
 225 #define WIDTH(r)                (r)->g.w
 226 #define HEIGHT(r)               (r)->g.h
 227 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 228 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 229 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 230 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 231 #define SH_MIN_W(w)             (w)->sh.min_width
 232 #define SH_MIN_H(w)             (w)->sh.min_height
 233 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 234 #define SH_MAX_W(w)             (w)->sh.max_width
 235 #define SH_MAX_H(w)             (w)->sh.max_height
 236 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 237 #define SH_INC_W(w)             (w)->sh.width_inc
 238 #define SH_INC_H(w)             (w)->sh.height_inc
 239 #define SWM_MAX_FONT_STEPS      (3)
 240 #define WINID(w)                ((w) ? (w)->id : 0)
 241 #define YESNO(x)                ((x) ? "yes" : "no")
 242
 243 #define SWM_FOCUS_DEFAULT       (0)
 244 #define SWM_FOCUS_SYNERGY       (1)
 245 #define SWM_FOCUS_FOLLOW        (2)
 246
 247 #define SWM_CONF_DEFAULT        (0)
 248 #define SWM_CONF_KEYMAPPING     (1)
 249
 250 #ifndef SWM_LIB
 251 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 252 #endif
 253
 254 char                    **start_argv;
 255 xcb_atom_t              a_state;
 256 xcb_atom_t              a_prot;
 257 xcb_atom_t              a_delete;
 258 xcb_atom_t              a_takefocus;
 259 xcb_atom_t              a_wmname;
 260 xcb_atom_t              a_netwmname;
 261 xcb_atom_t              a_utf8_string;
 262 xcb_atom_t              a_string;
 263 xcb_atom_t              a_swm_iconic;
 264 xcb_atom_t              a_swm_ws;
 265 volatile sig_atomic_t   running = 1;
 266 volatile sig_atomic_t   restart_wm = 0;
 267 int                     outputs = 0;
 268 /*int                   last_focus_event = FocusOut;*/
 269 int                     other_wm;
 270 int                     ss_enabled = 0;
 271 int                     xrandr_support;
 272 int                     xrandr_eventbase;
 273 unsigned int            numlockmask = 0;
 274
 275 Display                 *display;
 276 xcb_connection_t        *conn;
 277 xcb_key_symbols_t       *syms;
 278
 279 int                     cycle_empty = 0;
 280 int                     cycle_visible = 0;
 281 int                     term_width = 0;
 282 int                     font_adjusted = 0;
 283 unsigned int            mod_key = MODKEY;
 284
 285 /* dmenu search */
 286 struct swm_region       *search_r;
 287 int                     select_list_pipe[2];
 288 int                     select_resp_pipe[2];
 289 pid_t                   searchpid;
 290 volatile sig_atomic_t   search_resp;
 291 int                     search_resp_action;
 292
 293 struct search_window {
 294         TAILQ_ENTRY(search_window)      entry;
 295         int                             idx;
 296         struct ws_win                   *win;
 297         xcb_gcontext_t                  gc;
 298         xcb_window_t                    indicator;
 299 };
 300 TAILQ_HEAD(search_winlist, search_window);
 301 struct search_winlist                   search_wl;
 302
 303 /* search actions */
 304 enum {
 305         SWM_SEARCH_NONE,
 306         SWM_SEARCH_UNICONIFY,
 307         SWM_SEARCH_NAME_WORKSPACE,
 308         SWM_SEARCH_SEARCH_WORKSPACE,
 309         SWM_SEARCH_SEARCH_WINDOW
 310 };
 311
 312 #define SWM_STACK_TOP           (0)
 313 #define SWM_STACK_BOTTOM        (1)
 314 #define SWM_STACK_ABOVE         (2)
 315 #define SWM_STACK_BELOW         (3)
 316
 317 /* dialog windows */
 318 double                  dialog_ratio = 0.6;
 319 /* status bar */
 320 #define SWM_BAR_MAX             (256)
 321 #define SWM_BAR_JUSTIFY_LEFT    (0)
 322 #define SWM_BAR_JUSTIFY_CENTER  (1)
 323 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 324 #define SWM_BAR_OFFSET          (4)
 325 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 326                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 327                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 328                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 329                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 330
 331 char                    *bar_argv[] = { NULL, NULL };
 332 int                     bar_pipe[2];
 333 unsigned char           bar_ext[SWM_BAR_MAX];
 334 char                    bar_vertext[SWM_BAR_MAX];
 335 int                     bar_version = 0;
 336 sig_atomic_t            bar_alarm = 0;
 337 int                     bar_delay = 30;
 338 int                     bar_enabled = 1;
 339 int                     bar_border_width = 1;
 340 int                     bar_at_bottom = 0;
 341 int                     bar_extra = 1;
 342 int                     bar_extra_running = 0;
 343 int                     bar_verbose = 1;
 344 int                     bar_height = 0;
 345 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 346 char                    *bar_format = NULL;
 347 int                     stack_enabled = 1;
 348 int                     clock_enabled = 1;
 349 int                     urgent_enabled = 0;
 350 char                    *clock_format = NULL;
 351 int                     title_name_enabled = 0;
 352 int                     title_class_enabled = 0;
 353 int                     window_name_enabled = 0;
 354 int                     focus_mode = SWM_FOCUS_DEFAULT;
 355 int                     focus_close = SWM_STACK_BELOW;
 356 int                     focus_close_wrap = 1;
 357 int                     focus_default = SWM_STACK_TOP;
 358 int                     spawn_position = SWM_STACK_TOP;
 359 int                     disable_border = 0;
 360 int                     border_width = 1;
 361 int                     verbose_layout = 0;
 362 time_t                  time_started;
 363 pid_t                   bar_pid;
 364 XftFont                 *bar_font;
 365 char                    *bar_fonts;
 366 XftColor                bar_font_color;
 367 struct passwd           *pwd;
 368
 369 /* layout manager data */
 370 struct swm_geometry {
 371         int                     x;
 372         int                     y;
 373         int                     w;
 374         int                     h;
 375 };
 376
 377 struct swm_screen;
 378 struct workspace;
 379
 380 struct swm_bar {
 381         xcb_window_t            id;
 382         xcb_pixmap_t            buffer;
 383         struct swm_geometry     g;
 384 };
 385
 386 /* virtual "screens" */
 387 struct swm_region {
 388         TAILQ_ENTRY(swm_region) entry;
 389         struct swm_geometry     g;
 390         struct workspace        *ws;    /* current workspace on this region */
 391         struct workspace        *ws_prior; /* prior workspace on this region */
 392         struct swm_screen       *s;     /* screen idx */
 393         struct swm_bar          *bar;
 394 };
 395 TAILQ_HEAD(swm_region_list, swm_region);
 396
 397 struct ws_win {
 398         TAILQ_ENTRY(ws_win)     entry;
 399         xcb_window_t            id;
 400         xcb_window_t            transient;
 401         struct ws_win           *child_trans;   /* transient child window */
 402         struct swm_geometry     g;              /* current geometry */
 403         struct swm_geometry     g_float;        /* region coordinates */
 404         int                     g_floatvalid;   /* g_float geometry validity */
 405         int                     floatmaxed;     /* whether maxed by max_stack */
 406         int                     floating;
 407         int                     manual;
 408         int32_t                 iconic;
 409         int                     bordered;
 410         unsigned int            ewmh_flags;
 411         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 412         int                     font_steps;
 413         int                     last_inc;
 414         int                     can_delete;
 415         int                     take_focus;
 416         int                     java;
 417         unsigned long           quirks;
 418         struct workspace        *ws;    /* always valid */
 419         struct swm_screen       *s;     /* always valid, never changes */
 420         xcb_get_geometry_reply_t        *wa;
 421         xcb_size_hints_t        sh;
 422         xcb_icccm_get_wm_class_reply_t  ch;
 423         xcb_icccm_wm_hints_t    hints;
 424 };
 425 TAILQ_HEAD(ws_win_list, ws_win);
 426
 427 /* pid goo */
 428 struct pid_e {
 429         TAILQ_ENTRY(pid_e)      entry;
 430         pid_t                   pid;
 431         int                     ws;
 432 };
 433 TAILQ_HEAD(pid_list, pid_e);
 434 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 435
 436 /* layout handlers */
 437 void    stack(void);
 438 void    vertical_config(struct workspace *, int);
 439 void    vertical_stack(struct workspace *, struct swm_geometry *);
 440 void    horizontal_config(struct workspace *, int);
 441 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 442 void    max_stack(struct workspace *, struct swm_geometry *);
 443 void    plain_stacker(struct workspace *);
 444 void    fancy_stacker(struct workspace *);
 445
 446 struct layout {
 447         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 448         void            (*l_config)(struct workspace *, int);
 449         u_int32_t       flags;
 450 #define SWM_L_FOCUSPREV         (1<<0)
 451 #define SWM_L_MAPONFOCUS        (1<<1)
 452         void            (*l_string)(struct workspace *);
 453 } layouts[] =  {
 454         /* stack,               configure */
 455         { vertical_stack,       vertical_config,        0,      plain_stacker },
 456         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 457         { max_stack,            NULL,
 458           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 459         { NULL,                 NULL,                   0,      NULL  },
 460 };
 461
 462 /* position of max_stack mode in the layouts array, index into layouts! */
 463 #define SWM_V_STACK             (0)
 464 #define SWM_H_STACK             (1)
 465 #define SWM_MAX_STACK           (2)
 466
 467 #define SWM_H_SLICE             (32)
 468 #define SWM_V_SLICE             (32)
 469
 470 /* define work spaces */
 471 struct workspace {
 472         int                     idx;            /* workspace index */
 473         char                    *name;          /* workspace name */
 474         int                     always_raise;   /* raise windows on focus */
 475         struct layout           *cur_layout;    /* current layout handlers */
 476         struct ws_win           *focus;         /* may be NULL */
 477         struct ws_win           *focus_prev;    /* may be NULL */
 478         struct swm_region       *r;             /* may be NULL */
 479         struct swm_region       *old_r;         /* may be NULL */
 480         struct ws_win_list      winlist;        /* list of windows in ws */
 481         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 482         char                    stacker[10];    /* display stacker and layout */
 483
 484         /* stacker state */
 485         struct {
 486                                 int horizontal_msize;
 487                                 int horizontal_mwin;
 488                                 int horizontal_stacks;
 489                                 int horizontal_flip;
 490                                 int vertical_msize;
 491                                 int vertical_mwin;
 492                                 int vertical_stacks;
 493                                 int vertical_flip;
 494         } l_state;
 495 };
 496
 497 enum {
 498         SWM_S_COLOR_BAR,
 499         SWM_S_COLOR_BAR_BORDER,
 500         SWM_S_COLOR_BAR_FONT,
 501         SWM_S_COLOR_FOCUS,
 502         SWM_S_COLOR_UNFOCUS,
 503         SWM_S_COLOR_MAX
 504 };
 505
 506 /* physical screen mapping */
 507 #define SWM_WS_MAX              (22)    /* hard limit */
 508 int             workspace_limit = 10;   /* soft limit */
 509
 510 struct swm_screen {
 511         int                     idx;    /* screen index */
 512         struct swm_region_list  rl;     /* list of regions on this screen */
 513         struct swm_region_list  orl;    /* list of old regions */
 514         xcb_window_t            root;
 515         struct workspace        ws[SWM_WS_MAX];
 516
 517         /* colors */
 518         struct {
 519                 uint32_t        pixel;
 520                 char            *name;
 521         } c[SWM_S_COLOR_MAX];
 522
 523         xcb_gcontext_t          bar_gc;
 524 };
 525 struct swm_screen       *screens;
 526
 527 /* args to functions */
 528 union arg {
 529         int                     id;
 530 #define SWM_ARG_ID_FOCUSNEXT    (0)
 531 #define SWM_ARG_ID_FOCUSPREV    (1)
 532 #define SWM_ARG_ID_FOCUSMAIN    (2)
 533 #define SWM_ARG_ID_FOCUSCUR     (4)
 534 #define SWM_ARG_ID_SWAPNEXT     (10)
 535 #define SWM_ARG_ID_SWAPPREV     (11)
 536 #define SWM_ARG_ID_SWAPMAIN     (12)
 537 #define SWM_ARG_ID_MOVELAST     (13)
 538 #define SWM_ARG_ID_MASTERSHRINK (20)
 539 #define SWM_ARG_ID_MASTERGROW   (21)
 540 #define SWM_ARG_ID_MASTERADD    (22)
 541 #define SWM_ARG_ID_MASTERDEL    (23)
 542 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 543 #define SWM_ARG_ID_STACKRESET   (30)
 544 #define SWM_ARG_ID_STACKINIT    (31)
 545 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 546 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 547 #define SWM_ARG_ID_CYCLESC_UP   (42)
 548 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 549 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 550 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 551 #define SWM_ARG_ID_STACKINC     (50)
 552 #define SWM_ARG_ID_STACKDEC     (51)
 553 #define SWM_ARG_ID_SS_ALL       (60)
 554 #define SWM_ARG_ID_SS_WINDOW    (61)
 555 #define SWM_ARG_ID_DONTCENTER   (70)
 556 #define SWM_ARG_ID_CENTER       (71)
 557 #define SWM_ARG_ID_KILLWINDOW   (80)
 558 #define SWM_ARG_ID_DELETEWINDOW (81)
 559 #define SWM_ARG_ID_WIDTHGROW    (90)
 560 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 561 #define SWM_ARG_ID_HEIGHTGROW   (92)
 562 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 563 #define SWM_ARG_ID_MOVEUP       (100)
 564 #define SWM_ARG_ID_MOVEDOWN     (101)
 565 #define SWM_ARG_ID_MOVELEFT     (102)
 566 #define SWM_ARG_ID_MOVERIGHT    (103)
 567         char                    **argv;
 568 };
 569
 570 /* quirks */
 571 struct quirk {
 572         TAILQ_ENTRY(quirk)      entry;
 573         char                    *class;
 574         char                    *name;
 575         unsigned long           quirk;
 576 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 577 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 578 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 579 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 580 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 581 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 582 };
 583 TAILQ_HEAD(quirk_list, quirk);
 584 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 585
 586 /*
 587  * Supported EWMH hints should be added to
 588  * both the enum and the ewmh array
 589  */
 590 enum {
 591         _NET_ACTIVE_WINDOW,
 592         _NET_CLOSE_WINDOW,
 593         _NET_MOVERESIZE_WINDOW,
 594         _NET_WM_ACTION_CLOSE,
 595         _NET_WM_ACTION_FULLSCREEN,
 596         _NET_WM_ACTION_MOVE,
 597         _NET_WM_ACTION_RESIZE,
 598         _NET_WM_ALLOWED_ACTIONS,
 599         _NET_WM_STATE,
 600         _NET_WM_STATE_ABOVE,
 601         _NET_WM_STATE_FULLSCREEN,
 602         _NET_WM_STATE_HIDDEN,
 603         _NET_WM_STATE_MAXIMIZED_HORZ,
 604         _NET_WM_STATE_MAXIMIZED_VERT,
 605         _NET_WM_STATE_SKIP_PAGER,
 606         _NET_WM_STATE_SKIP_TASKBAR,
 607         _NET_WM_WINDOW_TYPE,
 608         _NET_WM_WINDOW_TYPE_DIALOG,
 609         _NET_WM_WINDOW_TYPE_DOCK,
 610         _NET_WM_WINDOW_TYPE_NORMAL,
 611         _NET_WM_WINDOW_TYPE_SPLASH,
 612         _NET_WM_WINDOW_TYPE_TOOLBAR,
 613         _NET_WM_WINDOW_TYPE_UTILITY,
 614         _SWM_WM_STATE_MANUAL,
 615         SWM_EWMH_HINT_MAX
 616 };
 617
 618 struct ewmh_hint {
 619         char            *name;
 620         xcb_atom_t      atom;
 621 } ewmh[SWM_EWMH_HINT_MAX] =     {
 622     /* must be in same order as in the enum */
 623     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 624     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 625     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 626     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 627     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 628     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 629     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 630     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 631     {"_NET_WM_STATE", XCB_ATOM_NONE},
 632     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 633     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 634     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 635     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 636     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 637     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 638     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 639     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 640     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 641     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 642     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 643     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 644     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 645     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 646     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 647 };
 648
 649 /* function prototypes */
 650 xcb_char2b_t *char2b(const char *);
 651 int      conf_load(char *, int);
 652 void     constrain_window(struct ws_win *, struct swm_region *, int);
 653 void     do_sync(void);
 654 void     event_handle(xcb_generic_event_t *);
 655 struct ws_win   *find_window(xcb_window_t);
 656 int      floating_toggle_win(struct ws_win *);
 657 void     focus(struct swm_region *, union arg *);
 658 void     focus_magic(struct ws_win *);
 659 xcb_atom_t get_atom_from_string(const char *);
 660 xcb_screen_t    *get_screen(int);
 661 char    *get_win_name(xcb_window_t);
 662 uint16_t getstate(xcb_window_t);
 663 void     grabbuttons(struct ws_win *, int);
 664 void     map_window_raised(xcb_window_t);
 665 void     new_region(struct swm_screen *, int, int, int, int);
 666 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 667 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 668 void     store_float_geom(struct ws_win *, struct swm_region *);
 669 void     unmanage_window(struct ws_win *);
 670 void     update_window(struct ws_win *);
 671 #ifdef SWM_DEBUG
 672 char    *get_atom_name(xcb_atom_t);
 673 #endif
 674
 675 /* function definitions */
 676 xcb_char2b_t *
 677 char2b(const char *str)
 678 {
 679         xcb_char2b_t    *s;
 680         size_t          i, len;
 681
 682         len = strlen(str);
 683         s = malloc(len * sizeof(xcb_char2b_t));
 684         if (!s)
 685                 return (NULL);
 686
 687         for (i = 0; i < len; i++) {
 688                 s[i].byte1 = '\0';
 689                 s[i].byte2 = str[i];
 690         }
 691
 692         return (s);
 693 }
 694
 695 int
 696 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 697 {
 698         unsigned int    tmpr, tmpg, tmpb;
 699
 700         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 701                 return (-1);
 702
 703         *rr = RGB_8_TO_16(tmpr);
 704         *gg = RGB_8_TO_16(tmpg);
 705         *bb = RGB_8_TO_16(tmpb);
 706
 707         return (0);
 708 }
 709
 710 xcb_screen_t *
 711 get_screen(int screen)
 712 {
 713         xcb_screen_iterator_t i;
 714
 715         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 716         for (; i.rem; --screen, xcb_screen_next(&i))
 717                 if (screen == 0)
 718                         return (i.data);
 719
 720         return (NULL);
 721 }
 722
 723 void
 724 do_sync(void)
 725 {
 726         xcb_get_input_focus_cookie_t    c;
 727         xcb_get_input_focus_reply_t     *r;
 728
 729         /* mimic XSync() */
 730         c = xcb_get_input_focus(conn);
 731         xcb_flush(conn);
 732         r = xcb_get_input_focus_reply(conn, c, NULL);
 733         if (r)
 734                 free(r);
 735 }
 736
 737 void
 738 map_window_raised(xcb_window_t win)
 739 {
 740         uint32_t        val = XCB_STACK_MODE_ABOVE;
 741
 742         xcb_configure_window(conn, win,
 743             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 744
 745         xcb_map_window(conn, win);
 746 }
 747
 748 xcb_atom_t
 749 get_atom_from_string(const char *str)
 750 {
 751         xcb_intern_atom_cookie_t        c;
 752         xcb_intern_atom_reply_t         *r;
 753         xcb_atom_t                      atom;
 754
 755         c = xcb_intern_atom(conn, 0, strlen(str), str);
 756         r = xcb_intern_atom_reply(conn, c, NULL);
 757         if (r) {
 758                 atom = r->atom;
 759                 free(r);
 760
 761                 return (atom);
 762         }
 763
 764         return (XCB_ATOM_NONE);
 765 }
 766
 767 void
 768 update_iconic(struct ws_win *win, int newv)
 769 {
 770         int32_t                         v = newv;
 771
 772         win->iconic = newv;
 773
 774         if (newv)
 775                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 776                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
 777         else
 778                 xcb_delete_property(conn, win->id, a_swm_iconic);
 779 }
 780
 781 int32_t
 782 get_iconic(struct ws_win *win)
 783 {
 784         int32_t                         v = 0;
 785         xcb_get_property_reply_t        *pr = NULL;
 786
 787
 788         pr = xcb_get_property_reply(conn,
 789             xcb_get_property(conn, 0, win->id, a_swm_iconic,
 790             XCB_ATOM_INTEGER, 0, 1), NULL);
 791         if (!pr)
 792                 goto out;
 793         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 794                 goto out;
 795         v = *((int32_t *)xcb_get_property_value(pr));
 796 out:
 797         if (pr)
 798                 free(pr);
 799         return (v);
 800 }
 801
 802 void
 803 setup_ewmh(void)
 804 {
 805         xcb_atom_t                      sup_list;
 806         int                             i, j, num_screens;
 807
 808         sup_list = get_atom_from_string("_NET_SUPPORTED");
 809
 810         for (i = 0; i < LENGTH(ewmh); i++)
 811                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 812
 813         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 814         for (i = 0; i < num_screens; i++) {
 815                 /* Support check window will be created by workaround(). */
 816
 817                 /* Report supported atoms */
 818                 xcb_delete_property(conn, screens[i].root, sup_list);
 819                 for (j = 0; j < LENGTH(ewmh); j++)
 820                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 821                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 822                             &ewmh[j].atom);
 823         }
 824 }
 825
 826 void
 827 teardown_ewmh(void)
 828 {
 829         int                             i, num_screens;
 830         xcb_atom_t                      sup_check, sup_list;
 831         xcb_window_t                    id;
 832         xcb_get_property_cookie_t       pc;
 833         xcb_get_property_reply_t        *pr;
 834
 835         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 836         sup_list = get_atom_from_string("_NET_SUPPORTED");
 837         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 838
 839         for (i = 0; i < num_screens; i++) {
 840                 /* Get the support check window and destroy it */
 841                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
 842                     XCB_ATOM_WINDOW, 0, 1);
 843                 pr = xcb_get_property_reply(conn, pc, NULL);
 844                 if (pr) {
 845                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 846
 847                         xcb_destroy_window(conn, id);
 848                         xcb_delete_property(conn, screens[i].root, sup_check);
 849                         xcb_delete_property(conn, screens[i].root, sup_list);
 850
 851                         free(pr);
 852                 }
 853         }
 854 }
 855
 856 void
 857 ewmh_autoquirk(struct ws_win *win)
 858 {
 859         uint32_t                i, n;
 860         xcb_atom_t              *type;
 861         xcb_get_property_cookie_t       c;
 862         xcb_get_property_reply_t        *r;
 863
 864         c = xcb_get_property(conn, 0, win->id,
 865             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 866         r = xcb_get_property_reply(conn, c, NULL);
 867         if (!r)
 868                 return;
 869
 870         n = xcb_get_property_value_length(r);
 871         type = xcb_get_property_value(r);
 872
 873         for (i = 0; i < n; i++) {
 874                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 875                         break;
 876                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 877                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 878                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 879                         win->floating = 1;
 880                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 881                         break;
 882                 }
 883                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 884                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 885                         win->floating = 1;
 886                         win->quirks = SWM_Q_FLOAT;
 887                         break;
 888                 }
 889         }
 890         free(r);
 891 }
 892
 893 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 894 #define EWMH_F_FULLSCREEN               (1<<0)
 895 #define EWMH_F_ABOVE                    (1<<1)
 896 #define EWMH_F_HIDDEN                   (1<<2)
 897 #define EWMH_F_SKIP_PAGER               (1<<3)
 898 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 899 #define SWM_F_MANUAL                    (1<<5)
 900
 901 int
 902 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 903 {
 904         if (!win->ws->r)
 905                 return (0);
 906
 907         if (!win->floating)
 908                 return (0);
 909
 910         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 911             "fullscreen %s\n", win->id, YESNO(fs));
 912
 913         if (fs) {
 914                 if (!win->g_floatvalid)
 915                         store_float_geom(win, win->ws->r);
 916
 917                 win->g = win->ws->r->g;
 918                 win->bordered = 0;
 919         } else {
 920                 if (win->g_floatvalid) {
 921                         /* refloat at last floating relative position */
 922                         win->g = win->g_float;
 923                         X(win) += X(win->ws->r);
 924                         Y(win) += Y(win->ws->r);
 925                 }
 926         }
 927
 928         return (1);
 929 }
 930
 931 void
 932 ewmh_update_actions(struct ws_win *win)
 933 {
 934         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 935         int                     n = 0;
 936
 937         if (win == NULL)
 938                 return;
 939
 940         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 941
 942         if (win->floating) {
 943                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 944                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 945         }
 946
 947         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 948             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
 949 }
 950
 951 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 952 #define _NET_WM_STATE_ADD       1    /* add/set property */
 953 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 954
 955 void
 956 ewmh_update_win_state(struct ws_win *win, long state, long action)
 957 {
 958         unsigned int            mask = 0;
 959         unsigned int            changed = 0;
 960         unsigned int            orig_flags;
 961
 962         if (win == NULL)
 963                 return;
 964
 965         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
 966             "action: %ld\n", win->id, state, action);
 967
 968         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 969                 mask = EWMH_F_FULLSCREEN;
 970         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 971                 mask = EWMH_F_ABOVE;
 972         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 973                 mask = SWM_F_MANUAL;
 974         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 975                 mask = EWMH_F_SKIP_PAGER;
 976         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 977                 mask = EWMH_F_SKIP_TASKBAR;
 978
 979
 980         orig_flags = win->ewmh_flags;
 981
 982         switch (action) {
 983         case _NET_WM_STATE_REMOVE:
 984                 win->ewmh_flags &= ~mask;
 985                 break;
 986         case _NET_WM_STATE_ADD:
 987                 win->ewmh_flags |= mask;
 988                 break;
 989         case _NET_WM_STATE_TOGGLE:
 990                 win->ewmh_flags ^= mask;
 991                 break;
 992         }
 993
 994         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 995
 996         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 997                 if (changed)
 998                         if (!floating_toggle_win(win))
 999                                 win->ewmh_flags = orig_flags; /* revert */
1000         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1001                 if (changed)
1002                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1003         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1004                 if (changed)
1005                         if (!ewmh_set_win_fullscreen(win,
1006                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1007                                 win->ewmh_flags = orig_flags; /* revert */
1008
1009         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1010
1011         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1012                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1013                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1014                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1015         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1016                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1017                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1018                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1019         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1020                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1021                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1022                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1023         if (win->ewmh_flags & EWMH_F_ABOVE)
1024                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1025                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1026                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1027         if (win->ewmh_flags & SWM_F_MANUAL)
1028                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1029                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1030                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1031 }
1032
1033 void
1034 ewmh_get_win_state(struct ws_win *win)
1035 {
1036         xcb_atom_t                      *states;
1037         xcb_get_property_cookie_t       c;
1038         xcb_get_property_reply_t        *r;
1039         int                             i, n;
1040
1041         if (win == NULL)
1042                 return;
1043
1044         win->ewmh_flags = 0;
1045         if (win->floating)
1046                 win->ewmh_flags |= EWMH_F_ABOVE;
1047         if (win->manual)
1048                 win->ewmh_flags |= SWM_F_MANUAL;
1049
1050         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1051             XCB_ATOM_ATOM, 0, UINT32_MAX);
1052         r = xcb_get_property_reply(conn, c, NULL);
1053         if (!r)
1054                 return;
1055
1056         states = xcb_get_property_value(r);
1057         n = xcb_get_property_value_length(r);
1058
1059         for (i = 0; i < n; i++)
1060                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1061
1062         free(r);
1063 }
1064
1065 /* events */
1066 #ifdef SWM_DEBUG
1067 void
1068 dumpwins(struct swm_region *r, union arg *args)
1069 {
1070         struct ws_win                           *win;
1071         uint16_t                                state;
1072         xcb_get_window_attributes_cookie_t      c;
1073         xcb_get_window_attributes_reply_t       *wa;
1074
1075         /* suppress unused warning since var is needed */
1076         (void)args;
1077
1078         if (r->ws == NULL) {
1079                 warnx("dumpwins: invalid workspace");
1080                 return;
1081         }
1082
1083         warnx("=== managed window list ws %02d ===", r->ws->idx);
1084         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1085                 state = getstate(win->id);
1086                 c = xcb_get_window_attributes(conn, win->id);
1087                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1088                 if (wa) {
1089                         warnx("window: 0x%x, map_state: %d, state: %u, "
1090                             "transient: 0x%x", win->id, wa->map_state,
1091                             state, win->transient);
1092                         free(wa);
1093                 } else
1094                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1095                             win->id);
1096         }
1097
1098         warnx("===== unmanaged window list =====");
1099         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1100                 state = getstate(win->id);
1101                 c = xcb_get_window_attributes(conn, win->id);
1102                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1103                 if (wa) {
1104                         warnx("window: 0x%x, map_state: %d, state: %u, "
1105                             "transient: 0x%x", win->id, wa->map_state,
1106                             state, win->transient);
1107                         free(wa);
1108                 } else
1109                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1110                             win->id);
1111         }
1112
1113         warnx("=================================");
1114 }
1115 #else
1116 void
1117 dumpwins(struct swm_region *r, union arg *args)
1118 {
1119 }
1120 #endif /* SWM_DEBUG */
1121
1122 void                    event_error(xcb_generic_error_t *);
1123 void                    expose(xcb_expose_event_t *);
1124 void                    keypress(xcb_key_press_event_t *);
1125 void                    buttonpress(xcb_button_press_event_t *);
1126 void                    configurerequest(xcb_configure_request_event_t *);
1127 void                    configurenotify(xcb_configure_notify_event_t *);
1128 void                    destroynotify(xcb_destroy_notify_event_t *);
1129 void                    enternotify(xcb_enter_notify_event_t *);
1130 void                    mapnotify(xcb_map_notify_event_t *);
1131 void                    mappingnotify(xcb_mapping_notify_event_t *);
1132 void                    maprequest(xcb_map_request_event_t *);
1133 void                    propertynotify(xcb_property_notify_event_t *);
1134 void                    unmapnotify(xcb_unmap_notify_event_t *);
1135 /*void                  visibilitynotify(xcb_visibility_notify_event_t *);*/
1136 void                    clientmessage(xcb_client_message_event_t *);
1137 void                    screenchange(xcb_randr_screen_change_notify_event_t *);
1138
1139 void
1140 sighdlr(int sig)
1141 {
1142         int                     saved_errno, status;
1143         pid_t                   pid;
1144
1145         saved_errno = errno;
1146
1147         switch (sig) {
1148         case SIGCHLD:
1149                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1150                         if (pid == -1) {
1151                                 if (errno == EINTR)
1152                                         continue;
1153 #ifdef SWM_DEBUG
1154                                 if (errno != ECHILD)
1155                                         warn("sighdlr: waitpid");
1156 #endif /* SWM_DEBUG */
1157                                 break;
1158                         }
1159                         if (pid == searchpid)
1160                                 search_resp = 1;
1161
1162 #ifdef SWM_DEBUG
1163                         if (WIFEXITED(status)) {
1164                                 if (WEXITSTATUS(status) != 0)
1165                                         warnx("sighdlr: child exit status: %d",
1166                                             WEXITSTATUS(status));
1167                         } else
1168                                 warnx("sighdlr: child is terminated "
1169                                     "abnormally");
1170 #endif /* SWM_DEBUG */
1171                 }
1172                 break;
1173
1174         case SIGHUP:
1175                 restart_wm = 1;
1176                 break;
1177         case SIGINT:
1178         case SIGTERM:
1179         case SIGQUIT:
1180                 running = 0;
1181                 break;
1182         }
1183
1184         errno = saved_errno;
1185 }
1186
1187 struct pid_e *
1188 find_pid(pid_t pid)
1189 {
1190         struct pid_e            *p = NULL;
1191
1192         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1193
1194         if (pid == 0)
1195                 return (NULL);
1196
1197         TAILQ_FOREACH(p, &pidlist, entry) {
1198                 if (p->pid == pid)
1199                         return (p);
1200         }
1201
1202         return (NULL);
1203 }
1204
1205 uint32_t
1206 name_to_pixel(const char *colorname)
1207 {
1208         uint32_t                        result = 0;
1209         char                            cname[32] = "#";
1210         xcb_screen_t                    *screen;
1211         xcb_colormap_t                  cmap;
1212         xcb_alloc_color_reply_t         *cr;
1213         xcb_alloc_named_color_reply_t   *nr;
1214         uint16_t                        rr, gg, bb;
1215
1216         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1217         cmap = screen->default_colormap;
1218
1219         /* color is in format rgb://rr/gg/bb */
1220         if (strncmp(colorname, "rgb:", 4) == 0) {
1221                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1222                         warnx("could not parse rgb %s", colorname);
1223                 else {
1224                         cr = xcb_alloc_color_reply(conn,
1225                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1226                             NULL);
1227                         if (cr) {
1228                                 result = cr->pixel;
1229                                 free(cr);
1230                         } else
1231                                 warnx("color '%s' not found", colorname);
1232                 }
1233         } else {
1234                 nr = xcb_alloc_named_color_reply(conn,
1235                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1236                             colorname), NULL);
1237                 if (!nr) {
1238                         strlcat(cname, colorname + 2, sizeof cname - 1);
1239                         nr = xcb_alloc_named_color_reply(conn,
1240                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1241                             cname), NULL);
1242                 }
1243                 if (nr) {
1244                         result = nr->pixel;
1245                         free(nr);
1246                 } else
1247                         warnx("color '%s' not found", colorname);
1248         }
1249
1250         return (result);
1251 }
1252
1253 void
1254 setscreencolor(char *val, int i, int c)
1255 {
1256         int     num_screens;
1257
1258         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1259         if (i > 0 && i <= num_screens) {
1260                 screens[i - 1].c[c].pixel = name_to_pixel(val);
1261                 free(screens[i - 1].c[c].name);
1262                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1263                         err(1, "strdup");
1264         } else if (i == -1) {
1265                 for (i = 0; i < num_screens; i++) {
1266                         screens[i].c[c].pixel = name_to_pixel(val);
1267                         free(screens[i].c[c].name);
1268                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1269                                 err(1, "strdup");
1270                 }
1271         } else
1272                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1273                     i, num_screens);
1274 }
1275
1276 void
1277 fancy_stacker(struct workspace *ws)
1278 {
1279         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1280         if (ws->cur_layout->l_stack == vertical_stack)
1281                 snprintf(ws->stacker, sizeof ws->stacker,
1282                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1283                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1284         if (ws->cur_layout->l_stack == horizontal_stack)
1285                 snprintf(ws->stacker, sizeof ws->stacker,
1286                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1287                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1288 }
1289
1290 void
1291 plain_stacker(struct workspace *ws)
1292 {
1293         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1294         if (ws->cur_layout->l_stack == vertical_stack)
1295                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1296                     sizeof ws->stacker);
1297         if (ws->cur_layout->l_stack == horizontal_stack)
1298                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1299                     sizeof ws->stacker);
1300 }
1301
1302 void
1303 custom_region(char *val)
1304 {
1305         unsigned int                    x, y, w, h;
1306         int                             sidx, num_screens;
1307         xcb_screen_t                    *screen;
1308
1309         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1310         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1311                 errx(1, "invalid custom region, "
1312                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1313         if (sidx < 1 || sidx > num_screens)
1314                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1315                     sidx, num_screens);
1316         sidx--;
1317
1318         screen = get_screen(sidx);
1319         if (w < 1 || h < 1)
1320                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1321
1322         if (x > screen->width_in_pixels ||
1323             y > screen->height_in_pixels ||
1324             w + x > screen->width_in_pixels ||
1325             h + y > screen->height_in_pixels) {
1326                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1327                     "boundaries (%ux%u)", w, h, x, y,
1328                     screen->width_in_pixels, screen->height_in_pixels);
1329                 return;
1330         }
1331
1332         new_region(&screens[sidx], x, y, w, h);
1333 }
1334
1335 void
1336 socket_setnonblock(int fd)
1337 {
1338         int                     flags;
1339
1340         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1341                 err(1, "fcntl F_GETFL");
1342         flags |= O_NONBLOCK;
1343         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1344                 err(1, "fcntl F_SETFL");
1345 }
1346
1347 void
1348 bar_print(struct swm_region *r, const char *s)
1349 {
1350         size_t                          len;
1351         xcb_rectangle_t                 rect;
1352         uint32_t                        gcv[1];
1353         int32_t                         x = 0;
1354         XGlyphInfo                      info;
1355         XftDraw                         *draw;
1356
1357         len = strlen(s);
1358
1359         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1360
1361         switch (bar_justify) {
1362         case SWM_BAR_JUSTIFY_LEFT:
1363                 x = SWM_BAR_OFFSET;
1364                 break;
1365         case SWM_BAR_JUSTIFY_CENTER:
1366                 x = (WIDTH(r) - info.width) / 2;
1367                 break;
1368         case SWM_BAR_JUSTIFY_RIGHT:
1369                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1370                 break;
1371         }
1372
1373         if (x < SWM_BAR_OFFSET)
1374                 x = SWM_BAR_OFFSET;
1375
1376         rect.x = 0;
1377         rect.y = 0;
1378         rect.width = WIDTH(r->bar);
1379         rect.height = HEIGHT(r->bar);
1380
1381         /* clear back buffer */
1382         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1383         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1384         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1385             sizeof(rect), &rect);
1386
1387         /* draw back buffer */
1388         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1389         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_BACKGROUND, gcv);
1390         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].pixel;
1391         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1392
1393         draw = XftDrawCreate(display, r->bar->buffer,
1394             DefaultVisual(display, r->s->idx),
1395             DefaultColormap(display, r->s->idx));
1396
1397         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1398             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1399             (FcChar8 *)s, len);
1400
1401         XftDrawDestroy(draw);
1402
1403         /* blt */
1404         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1405             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1406 }
1407
1408 void
1409 bar_extra_stop(void)
1410 {
1411         if (bar_pipe[0]) {
1412                 close(bar_pipe[0]);
1413                 bzero(bar_pipe, sizeof bar_pipe);
1414         }
1415         if (bar_pid) {
1416                 kill(bar_pid, SIGTERM);
1417                 bar_pid = 0;
1418         }
1419         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1420         bar_extra = 0;
1421 }
1422
1423 void
1424 bar_class_name(char *s, size_t sz, struct swm_region *r)
1425 {
1426         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1427                 return;
1428         if (r->ws->focus->ch.class_name != NULL)
1429                 strlcat(s, r->ws->focus->ch.class_name, sz);
1430 }
1431
1432 void
1433 bar_title_name(char *s, size_t sz, struct swm_region *r)
1434 {
1435         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1436                 return;
1437         if (r->ws->focus->ch.instance_name != NULL)
1438                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1439 }
1440
1441 void
1442 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1443 {
1444         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1445                 return;
1446
1447         bar_class_name(s, sz, r);
1448         strlcat(s, ":", sz);
1449         bar_title_name(s, sz, r);
1450 }
1451
1452 void
1453 bar_window_float(char *s, size_t sz, struct swm_region *r)
1454 {
1455         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1456                 return;
1457         if (r->ws->focus->floating)
1458                 strlcat(s, "(f)", sz);
1459 }
1460
1461 void
1462 bar_window_name(char *s, size_t sz, struct swm_region *r)
1463 {
1464         char            *title;
1465
1466         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1467                 return;
1468         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1469                 return;
1470
1471         strlcat(s, title, sz);
1472         free(title);
1473 }
1474
1475 int             urgent[SWM_WS_MAX];
1476 void
1477 bar_urgent(char *s, size_t sz)
1478 {
1479         struct ws_win           *win;
1480         int                     i, j, num_screens;
1481         char                    b[8];
1482         xcb_get_property_cookie_t       c;
1483         xcb_icccm_wm_hints_t    hints;
1484
1485         for (i = 0; i < workspace_limit; i++)
1486                 urgent[i] = 0;
1487
1488         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1489         for (i = 0; i < num_screens; i++)
1490                 for (j = 0; j < workspace_limit; j++)
1491                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1492                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1493                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1494                                     &hints, NULL) == 0)
1495                                         continue;
1496                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1497                                         urgent[j] = 1;
1498                         }
1499
1500         for (i = 0; i < workspace_limit; i++) {
1501                 if (urgent[i])
1502                         snprintf(b, sizeof b, "%d ", i + 1);
1503                 else
1504                         snprintf(b, sizeof b, "- ");
1505                 strlcat(s, b, sz);
1506         }
1507 }
1508
1509 void
1510 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1511 {
1512         if (r == NULL || r->ws == NULL)
1513                 return;
1514         if (r->ws->name != NULL)
1515                 strlcat(s, r->ws->name, sz);
1516 }
1517
1518 /* build the default bar format according to the defined enabled options */
1519 void
1520 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1521 {
1522         /* if format provided, just copy the buffers */
1523         if (bar_format != NULL) {
1524                 strlcpy(fmtnew, fmtexp, sz);
1525                 return;
1526         }
1527
1528         /* reset the output buffer */
1529         *fmtnew = '\0';
1530
1531         strlcat(fmtnew, "+N:+I ", sz);
1532         if (stack_enabled)
1533                 strlcat(fmtnew, "+S", sz);
1534         strlcat(fmtnew, " ", sz);
1535
1536         /* only show the workspace name if there's actually one */
1537         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1538                 strlcat(fmtnew, "<+D>", sz);
1539         strlcat(fmtnew, "+3<", sz);
1540
1541         if (clock_enabled) {
1542                 strlcat(fmtnew, fmtexp, sz);
1543                 strlcat(fmtnew, "+4<", sz);
1544         }
1545
1546         /* bar_urgent already adds the space before the last asterisk */
1547         if (urgent_enabled)
1548                 strlcat(fmtnew, "* +U*+4<", sz);
1549
1550         if (title_class_enabled) {
1551                 strlcat(fmtnew, "+C", sz);
1552                 if (title_name_enabled == 0)
1553                         strlcat(fmtnew, "+4<", sz);
1554         }
1555
1556         /* checks needed by the colon and floating strlcat(3) calls below */
1557         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1558                 if (title_name_enabled) {
1559                         if (title_class_enabled)
1560                                 strlcat(fmtnew, ":", sz);
1561                         strlcat(fmtnew, "+T+4<", sz);
1562                 }
1563                 if (window_name_enabled) {
1564                         if (r->ws->focus->floating)
1565                                 strlcat(fmtnew, "+F ", sz);
1566                         strlcat(fmtnew, "+64W ", sz);
1567                 }
1568         }
1569
1570         /* finally add the action script output and the version */
1571         strlcat(fmtnew, "+4<+A+4<+V", sz);
1572 }
1573
1574 void
1575 bar_replace_pad(char *tmp, int *limit, size_t sz)
1576 {
1577         /* special case; no limit given, pad one space, instead */
1578         if (*limit == (int)sz - 1)
1579                 *limit = 1;
1580         snprintf(tmp, sz, "%*s", *limit, " ");
1581 }
1582
1583 /* replaces the bar format character sequences (like in tmux(1)) */
1584 char *
1585 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1586     size_t sz)
1587 {
1588         char                    *ptr;
1589         char                    tmp[SWM_BAR_MAX];
1590         int                     limit, size;
1591         size_t                  len;
1592
1593         /* reset strlcat(3) buffer */
1594         *tmp = '\0';
1595
1596         /* get number, if any */
1597         fmt++;
1598         size = 0;
1599         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1600                 limit = sizeof tmp - 1;
1601         if (limit <= 0 || limit >= (int)sizeof tmp)
1602                 limit = sizeof tmp - 1;
1603
1604         /* there is nothing to replace (ie EOL) */
1605         fmt += size;
1606         if (*fmt == '\0')
1607                 return (fmt);
1608
1609         switch (*fmt) {
1610         case '<':
1611                 bar_replace_pad(tmp, &limit, sizeof tmp);
1612                 break;
1613         case 'A':
1614                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1615                 break;
1616         case 'C':
1617                 bar_class_name(tmp, sizeof tmp, r);
1618                 break;
1619         case 'D':
1620                 bar_workspace_name(tmp, sizeof tmp, r);
1621                 break;
1622         case 'F':
1623                 bar_window_float(tmp, sizeof tmp, r);
1624                 break;
1625         case 'I':
1626                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1627                 break;
1628         case 'N':
1629                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1630                 break;
1631         case 'P':
1632                 bar_class_title_name(tmp, sizeof tmp, r);
1633                 break;
1634         case 'S':
1635                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1636                 break;
1637         case 'T':
1638                 bar_title_name(tmp, sizeof tmp, r);
1639                 break;
1640         case 'U':
1641                 bar_urgent(tmp, sizeof tmp);
1642                 break;
1643         case 'V':
1644                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1645                 break;
1646         case 'W':
1647                 bar_window_name(tmp, sizeof tmp, r);
1648                 break;
1649         default:
1650                 /* unknown character sequence; copy as-is */
1651                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1652                 break;
1653         }
1654
1655         len = strlen(tmp);
1656         ptr = tmp;
1657         if ((int)len < limit)
1658                 limit = len;
1659         while (limit-- > 0) {
1660                 if (*offrep >= sz - 1)
1661                         break;
1662                 fmtrep[(*offrep)++] = *ptr++;
1663         }
1664
1665         fmt++;
1666         return (fmt);
1667 }
1668
1669 void
1670 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1671 {
1672         size_t                  off;
1673
1674         off = 0;
1675         while (*fmt != '\0') {
1676                 if (*fmt != '+') {
1677                         /* skip ordinary characters */
1678                         if (off >= sz - 1)
1679                                 break;
1680                         fmtrep[off++] = *fmt++;
1681                         continue;
1682                 }
1683
1684                 /* character sequence found; replace it */
1685                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1686                 if (off >= sz - 1)
1687                         break;
1688         }
1689
1690         fmtrep[off] = '\0';
1691 }
1692
1693 void
1694 bar_fmt_expand(char *fmtexp, size_t sz)
1695 {
1696         char                    *fmt = NULL;
1697         size_t                  len;
1698         struct tm               tm;
1699         time_t                  tmt;
1700
1701         /* start by grabbing the current time and date */
1702         time(&tmt);
1703         localtime_r(&tmt, &tm);
1704
1705         /* figure out what to expand */
1706         if (bar_format != NULL)
1707                 fmt = bar_format;
1708         else if (bar_format == NULL && clock_enabled)
1709                 fmt = clock_format;
1710         /* if nothing to expand bail out */
1711         if (fmt == NULL) {
1712                 *fmtexp = '\0';
1713                 return;
1714         }
1715
1716         /* copy as-is, just in case the format shouldn't be expanded below */
1717         strlcpy(fmtexp, fmt, sz);
1718         /* finally pass the string through strftime(3) */
1719 #ifndef SWM_DENY_CLOCK_FORMAT
1720         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1721                 warnx("format too long");
1722         fmtexp[len] = '\0';
1723 #endif
1724 }
1725
1726 void
1727 bar_fmt_print(void)
1728 {
1729         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1730         char                    fmtrep[SWM_BAR_MAX];
1731         int                     i, num_screens;
1732         struct swm_region       *r;
1733
1734         /* expand the format by first passing it through strftime(3) */
1735         bar_fmt_expand(fmtexp, sizeof fmtexp);
1736
1737         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1738         for (i = 0; i < num_screens; i++) {
1739                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1740                         if (r->bar == NULL)
1741                                 continue;
1742                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1743                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1744                         bar_print(r, fmtrep);
1745                 }
1746         }
1747 }
1748
1749 void
1750 bar_update(void)
1751 {
1752         size_t                  len;
1753         char                    *b;
1754
1755         if (bar_enabled == 0)
1756                 return;
1757         if (bar_extra && bar_extra_running) {
1758                 /* ignore short reads; it'll correct itself */
1759                 while ((b = fgetln(stdin, &len)) != NULL)
1760                         if (b && b[len - 1] == '\n') {
1761                                 b[len - 1] = '\0';
1762                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1763                         }
1764                 if (b == NULL && errno != EAGAIN) {
1765                         warn("bar_update: bar_extra failed");
1766                         bar_extra_stop();
1767                 }
1768         } else
1769                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1770
1771         bar_fmt_print();
1772         alarm(bar_delay);
1773 }
1774
1775 void
1776 bar_signal(int sig)
1777 {
1778         /* suppress unused warning since var is needed */
1779         (void)sig;
1780
1781         bar_alarm = 1;
1782 }
1783
1784 void
1785 bar_toggle(struct swm_region *r, union arg *args)
1786 {
1787         struct swm_region       *tmpr;
1788         int                     i, num_screens;
1789
1790         /* suppress unused warnings since vars are needed */
1791         (void)r;
1792         (void)args;
1793
1794         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1795
1796         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1797         if (bar_enabled) {
1798                 for (i = 0; i < num_screens; i++)
1799                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1800                                 if (tmpr->bar)
1801                                         xcb_unmap_window(conn, tmpr->bar->id);
1802         } else {
1803                 for (i = 0; i < num_screens; i++)
1804                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1805                                 if (tmpr->bar)
1806                                         map_window_raised(tmpr->bar->id);
1807         }
1808
1809         bar_enabled = !bar_enabled;
1810
1811         stack();
1812         /* must be after stack */
1813         bar_update();
1814
1815         xcb_flush(conn);
1816 }
1817
1818 void
1819 bar_refresh(void)
1820 {
1821         struct swm_region       *r;
1822         uint32_t                wa[2];
1823         int                     i, num_screens;
1824
1825         /* do this here because the conf file is in memory */
1826         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1827                 /* launch external status app */
1828                 bar_extra_running = 1;
1829                 if (pipe(bar_pipe) == -1)
1830                         err(1, "pipe error");
1831                 socket_setnonblock(bar_pipe[0]);
1832                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1833                 if (dup2(bar_pipe[0], 0) == -1)
1834                         err(1, "dup2");
1835                 if (dup2(bar_pipe[1], 1) == -1)
1836                         err(1, "dup2");
1837                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1838                         err(1, "could not disable SIGPIPE");
1839                 switch (bar_pid = fork()) {
1840                 case -1:
1841                         err(1, "cannot fork");
1842                         break;
1843                 case 0: /* child */
1844                         close(bar_pipe[0]);
1845                         execvp(bar_argv[0], bar_argv);
1846                         err(1, "%s external app failed", bar_argv[0]);
1847                         break;
1848                 default: /* parent */
1849                         close(bar_pipe[1]);
1850                         break;
1851                 }
1852         }
1853
1854         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1855         for (i = 0; i < num_screens; i++)
1856                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1857                         if (r->bar == NULL)
1858                                 continue;
1859                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].pixel;
1860                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].pixel;
1861                         xcb_change_window_attributes(conn, r->bar->id,
1862                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1863                 }
1864         bar_update();
1865 }
1866
1867 void
1868 bar_setup(struct swm_region *r)
1869 {
1870         char                    *font, *fontpos;
1871         int                     count;
1872         xcb_screen_t            *screen = get_screen(r->s->idx);
1873         uint32_t                wa[3];
1874         XRenderColor            color;
1875
1876         if (r->bar != NULL)
1877                 return;
1878
1879         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1880                 err(1, "bar_setup: calloc: failed to allocate memory.");
1881
1882         if (bar_font == NULL) {
1883                 while ((font = strsep(&bar_fonts, ",")) != NULL) {
1884                         if (*font == '\0')
1885                                 continue;
1886
1887                         DNPRINTF(SWM_D_INIT, "bar_setup: try font %s\n", font);
1888
1889                         count = 0;
1890                         fontpos = font;
1891                         while ((fontpos = index(fontpos, '-'))) {
1892                                 count++;
1893                                 fontpos++;
1894                         }
1895
1896                         if (count == 14)
1897                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
1898                                                 font);
1899                         else
1900                                 bar_font = XftFontOpenName(display, r->s->idx,
1901                                                 font);
1902                         if (!bar_font) {
1903                                 warnx("unable to load font %s", font);
1904                                 continue;
1905                         } else {
1906                                 DNPRINTF(SWM_D_INIT, "successfully opened "
1907                                     "font %s\n", font);
1908                                 break;
1909                         }
1910                 }
1911         }
1912
1913         if (bar_font == NULL)
1914                 errx(1, "unable to open a font");
1915
1916         bar_height = bar_font->height + 2 * bar_border_width;
1917
1918         if (bar_height < 1)
1919                 bar_height = 1;
1920
1921         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
1922
1923         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
1924             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
1925                 warn("unable to allocate Xft color");
1926
1927         X(r->bar) = X(r);
1928         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1929         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1930         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1931
1932         r->bar->id = xcb_generate_id(conn);
1933         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1934         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].pixel;
1935         wa[2] = XCB_EVENT_MASK_EXPOSURE;
1936
1937         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1938             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1939             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1940             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
1941             | XCB_CW_EVENT_MASK, wa);
1942
1943         r->bar->buffer = xcb_generate_id(conn);
1944         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1945             WIDTH(r->bar), HEIGHT(r->bar));
1946
1947         xcb_randr_select_input(conn, r->bar->id,
1948             XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1949
1950         if (bar_enabled)
1951                 map_window_raised(r->bar->id);
1952
1953         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1954             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1955             HEIGHT(r->bar));
1956
1957         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1958                 err(1, "could not install bar_signal");
1959         bar_refresh();
1960 }
1961
1962 void
1963 bar_cleanup(struct swm_region *r)
1964 {
1965         if (r->bar == NULL)
1966                 return;
1967         xcb_destroy_window(conn, r->bar->id);
1968         xcb_free_pixmap(conn, r->bar->buffer);
1969         free(r->bar);
1970         r->bar = NULL;
1971 }
1972
1973 void
1974 set_win_state(struct ws_win *win, uint16_t state)
1975 {
1976         uint16_t                data[2] = { state, XCB_ATOM_NONE };
1977
1978         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
1979
1980         if (win == NULL)
1981                 return;
1982
1983         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
1984             a_state, 32, 2, data);
1985 }
1986
1987 uint16_t
1988 getstate(xcb_window_t w)
1989 {
1990         uint16_t                        result = 0;
1991         uint16_t                        *pv;
1992         xcb_get_property_cookie_t       c;
1993         xcb_get_property_reply_t        *r;
1994
1995         c = xcb_get_property(conn, 0, w, a_state, XCB_ATOM_ATOM, 0L, 2L);
1996         r = xcb_get_property_reply(conn, c, NULL);
1997
1998         if (r) {
1999                 pv = (uint16_t *)xcb_get_property_value(r);
2000                 result = *pv;
2001                 free(r);
2002         }
2003
2004         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2005             result);
2006         return (result);
2007 }
2008
2009 void
2010 version(struct swm_region *r, union arg *args)
2011 {
2012         /* suppress unused warnings since vars are needed */
2013         (void)r;
2014         (void)args;
2015
2016         bar_version = !bar_version;
2017         if (bar_version)
2018                 snprintf(bar_vertext, sizeof bar_vertext,
2019                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2020         else
2021                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2022         bar_update();
2023
2024         xcb_flush(conn);
2025 }
2026
2027 void
2028 client_msg(struct ws_win *win, xcb_atom_t a)
2029 {
2030         xcb_client_message_event_t      ev;
2031
2032         if (win == NULL)
2033                 return;
2034
2035         bzero(&ev, sizeof ev);
2036         ev.response_type = XCB_CLIENT_MESSAGE;
2037         ev.window = win->id;
2038         ev.type = a_prot;
2039         ev.format = 32;
2040         ev.data.data32[0] = a;
2041         ev.data.data32[1] = XCB_CURRENT_TIME;
2042
2043         xcb_send_event(conn, 0, win->id,
2044             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2045 }
2046
2047 /* synthetic response to a ConfigureRequest when not making a change */
2048 void
2049 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2050 {
2051         xcb_configure_notify_event_t ce;
2052
2053         if (win == NULL)
2054                 return;
2055
2056         /* send notification of unchanged state. */
2057         bzero(&ce, sizeof(ce));
2058         ce.response_type = XCB_CONFIGURE_NOTIFY;
2059         ce.x = X(win);
2060         ce.y = Y(win);
2061         ce.width = WIDTH(win);
2062         ce.height = HEIGHT(win);
2063         ce.override_redirect = 0;
2064
2065         if (ev == NULL) {
2066                 /* EWMH */
2067                 ce.event = win->id;
2068                 ce.window = win->id;
2069                 ce.border_width = BORDER(win);
2070                 ce.above_sibling = XCB_WINDOW_NONE;
2071         } else {
2072                 /* normal */
2073                 ce.event = ev->window;
2074                 ce.window = ev->window;
2075
2076                 /* make response appear more WM_SIZE_HINTS-compliant */
2077                 if (win->sh.flags)
2078                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2079                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2080                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2081                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2082                             SH_INC_W(win), SH_INC_H(win));
2083
2084                 /* min size */
2085                 if (SH_MIN(win)) {
2086                         /* the hint may be set... to 0! */
2087                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2088                                 ce.width = SH_MIN_W(win);
2089                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2090                                 ce.height = SH_MIN_H(win);
2091                 }
2092
2093                 /* max size */
2094                 if (SH_MAX(win)) {
2095                         /* may also be advertized as 0 */
2096                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2097                                 ce.width = SH_MAX_W(win);
2098                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2099                                 ce.height = SH_MAX_H(win);
2100                 }
2101
2102                 /* resize increment. */
2103                 if (SH_INC(win)) {
2104                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2105                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2106                                     SH_INC_W(win);
2107                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2108                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2109                                     SH_INC_H(win);
2110                 }
2111
2112                 /* adjust x and y for requested border_width. */
2113                 ce.x += BORDER(win) - ev->border_width;
2114                 ce.y += BORDER(win) - ev->border_width;
2115                 ce.border_width = ev->border_width;
2116                 ce.above_sibling = ev->sibling;
2117         }
2118
2119         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2120             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2121             ce.y, ce.width, ce.height, ce.border_width);
2122
2123         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2124             (char *)&ce);
2125 }
2126
2127 int
2128 count_win(struct workspace *ws, int count_transient)
2129 {
2130         struct ws_win           *win;
2131         int                     count = 0;
2132
2133         TAILQ_FOREACH(win, &ws->winlist, entry) {
2134                 if (count_transient == 0 && win->floating)
2135                         continue;
2136                 if (count_transient == 0 && win->transient)
2137                         continue;
2138                 if (win->iconic)
2139                         continue;
2140                 count++;
2141         }
2142         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2143
2144         return (count);
2145 }
2146
2147 void
2148 quit(struct swm_region *r, union arg *args)
2149 {
2150         /* suppress unused warnings since vars are needed */
2151         (void)r;
2152         (void)args;
2153
2154         DNPRINTF(SWM_D_MISC, "quit\n");
2155         running = 0;
2156 }
2157
2158 void
2159 unmap_window(struct ws_win *win)
2160 {
2161         DNPRINTF(SWM_D_EVENT, "unmap_window: window: 0x%x\n", win->id);
2162
2163         if (win == NULL)
2164                 return;
2165
2166         /* don't unmap again */
2167         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2168                 return;
2169
2170         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2171
2172         xcb_unmap_window(conn, win->id);
2173         xcb_change_window_attributes(conn, win->id,
2174             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2175 }
2176
2177 void
2178 unmap_all(void)
2179 {
2180         struct ws_win           *win;
2181         int                     i, j, num_screens;
2182
2183         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2184         for (i = 0; i < num_screens; i++)
2185                 for (j = 0; j < workspace_limit; j++)
2186                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2187                                 unmap_window(win);
2188 }
2189
2190 void
2191 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2192 {
2193         xcb_key_press_event_t   event;
2194         xcb_keycode_t           *keycode;
2195
2196         if (win == NULL)
2197                 return;
2198
2199         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2200
2201         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2202             win->id, *keycode);
2203
2204         bzero(&event, sizeof(event));
2205         event.event = win->id;
2206         event.root = win->s->root;
2207         event.child = XCB_WINDOW_NONE;
2208         event.time = XCB_CURRENT_TIME;
2209         event.event_x = X(win);
2210         event.event_y = Y(win);
2211         event.root_x = 1;
2212         event.root_y = 1;
2213         event.same_screen = 1;
2214         event.detail = *keycode;
2215         event.state = modifiers;
2216
2217         event.response_type = XCB_KEY_PRESS;
2218         xcb_send_event(conn, 1, win->id,
2219             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2220
2221         event.response_type = XCB_KEY_RELEASE;
2222         xcb_send_event(conn, 1, win->id,
2223             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2224 }
2225
2226 void
2227 restart(struct swm_region *r, union arg *args)
2228 {
2229         /* suppress unused warning since var is needed */
2230         (void)args;
2231
2232         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2233
2234         /* disable alarm because the following code may not be interrupted */
2235         alarm(0);
2236         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2237                 err(1, "can't disable alarm");
2238
2239         bar_extra_stop();
2240         bar_extra = 1;
2241         unmap_all();
2242
2243         XftFontClose(display, bar_font);
2244         XftColorFree(display, DefaultVisual(display, r->s->idx),
2245             DefaultColormap(display, r->s->idx), &bar_font_color);
2246         xcb_key_symbols_free(syms);
2247         xcb_flush(conn);
2248         xcb_disconnect(conn);
2249
2250         execvp(start_argv[0], start_argv);
2251         warn("execvp failed");
2252         quit(NULL, NULL);
2253 }
2254
2255 struct swm_region *
2256 root_to_region(xcb_window_t root)
2257 {
2258         struct swm_region               *r = NULL;
2259         int                             i, num_screens;
2260         xcb_query_pointer_reply_t       *qpr;
2261
2262         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2263
2264         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2265         for (i = 0; i < num_screens; i++)
2266                 if (screens[i].root == root)
2267                         break;
2268
2269         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2270             screens[i].root), NULL);
2271
2272         if (qpr) {
2273                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2274                     qpr->root_x, qpr->root_y);
2275                 /* choose a region based on pointer location */
2276                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2277                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2278                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2279                                 break;
2280                 free(qpr);
2281         }
2282
2283         if (r == NULL)
2284                 r = TAILQ_FIRST(&screens[i].rl);
2285
2286         return (r);
2287 }
2288
2289 struct ws_win *
2290 find_unmanaged_window(xcb_window_t id)
2291 {
2292         struct ws_win           *win;
2293         int                     i, j, num_screens;
2294
2295         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2296         for (i = 0; i < num_screens; i++)
2297                 for (j = 0; j < workspace_limit; j++)
2298                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2299                             entry)
2300                                 if (id == win->id)
2301                                         return (win);
2302         return (NULL);
2303 }
2304
2305 struct ws_win *
2306 find_window(xcb_window_t id)
2307 {
2308         struct ws_win           *win;
2309         int                     i, j, num_screens;
2310         xcb_query_tree_reply_t  *r;
2311
2312         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2313         for (i = 0; i < num_screens; i++)
2314                 for (j = 0; j < workspace_limit; j++)
2315                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2316                                 if (id == win->id)
2317                                         return (win);
2318
2319         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2320         if (!r)
2321                 return (NULL);
2322
2323         /* if we were looking for the parent return that window instead */
2324         if (r->parent == 0 || r->root == r->parent)
2325                 return (NULL);
2326
2327         /* look for parent */
2328         for (i = 0; i < num_screens; i++)
2329                 for (j = 0; j < workspace_limit; j++)
2330                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2331                                 if (r->parent == win->id) {
2332                                         free(r);
2333                                         return (win);
2334                                 }
2335
2336         free(r);
2337         return (NULL);
2338 }
2339
2340 void
2341 spawn(int ws_idx, union arg *args, int close_fd)
2342 {
2343         int                     fd;
2344         char                    *ret = NULL;
2345
2346         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2347
2348         close(xcb_get_file_descriptor(conn));
2349
2350         setenv("LD_PRELOAD", SWM_LIB, 1);
2351
2352         if (asprintf(&ret, "%d", ws_idx) == -1) {
2353                 warn("spawn: asprintf SWM_WS");
2354                 _exit(1);
2355         }
2356         setenv("_SWM_WS", ret, 1);
2357         free(ret);
2358         ret = NULL;
2359
2360         if (asprintf(&ret, "%d", getpid()) == -1) {
2361                 warn("spawn: asprintf _SWM_PID");
2362                 _exit(1);
2363         }
2364         setenv("_SWM_PID", ret, 1);
2365         free(ret);
2366         ret = NULL;
2367
2368         if (setsid() == -1) {
2369                 warn("spawn: setsid");
2370                 _exit(1);
2371         }
2372
2373         if (close_fd) {
2374                 /*
2375                  * close stdin and stdout to prevent interaction between apps
2376                  * and the baraction script
2377                  * leave stderr open to record errors
2378                 */
2379                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2380                         warn("spawn: open");
2381                         _exit(1);
2382                 }
2383                 dup2(fd, STDIN_FILENO);
2384                 dup2(fd, STDOUT_FILENO);
2385                 if (fd > 2)
2386                         close(fd);
2387         }
2388
2389         execvp(args->argv[0], args->argv);
2390
2391         warn("spawn: execvp");
2392         _exit(1);
2393 }
2394
2395 void
2396 kill_refs(struct ws_win *win)
2397 {
2398         int                     i, x, num_screens;
2399         struct swm_region       *r;
2400         struct workspace        *ws;
2401
2402         if (win == NULL)
2403                 return;
2404
2405         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2406         for (i = 0; i < num_screens; i++)
2407                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2408                         for (x = 0; x < workspace_limit; x++) {
2409                                 ws = &r->s->ws[x];
2410                                 if (win == ws->focus)
2411                                         ws->focus = NULL;
2412                                 if (win == ws->focus_prev)
2413                                         ws->focus_prev = NULL;
2414                         }
2415 }
2416
2417 int
2418 validate_win(struct ws_win *testwin)
2419 {
2420         struct ws_win           *win;
2421         struct workspace        *ws;
2422         struct swm_region       *r;
2423         int                     i, x, num_screens;
2424
2425         if (testwin == NULL)
2426                 return (0);
2427
2428         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2429         for (i = 0; i < num_screens; i++)
2430                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2431                         for (x = 0; x < workspace_limit; x++) {
2432                                 ws = &r->s->ws[x];
2433                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2434                                         if (win == testwin)
2435                                                 return (0);
2436                         }
2437         return (1);
2438 }
2439
2440 int
2441 validate_ws(struct workspace *testws)
2442 {
2443         struct swm_region       *r;
2444         struct workspace        *ws;
2445         int                     i, x, num_screens;
2446
2447         /* validate all ws */
2448         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2449         for (i = 0; i < num_screens; i++)
2450                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2451                         for (x = 0; x < workspace_limit; x++) {
2452                                 ws = &r->s->ws[x];
2453                                 if (ws == testws)
2454                                         return (0);
2455                         }
2456         return (1);
2457 }
2458
2459 void
2460 unfocus_win(struct ws_win *win)
2461 {
2462         xcb_window_t            none = XCB_WINDOW_NONE;
2463
2464         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2465
2466         if (win == NULL)
2467                 return;
2468         if (win->ws == NULL)
2469                 return;
2470
2471         if (validate_ws(win->ws))
2472                 return; /* XXX this gets hit with thunderbird, needs fixing */
2473
2474         if (win->ws->r == NULL)
2475                 return;
2476
2477         if (validate_win(win)) {
2478                 kill_refs(win);
2479                 return;
2480         }
2481
2482         if (win->ws->focus == win) {
2483                 win->ws->focus = NULL;
2484                 win->ws->focus_prev = win;
2485         }
2486
2487         if (validate_win(win->ws->focus)) {
2488                 kill_refs(win->ws->focus);
2489                 win->ws->focus = NULL;
2490         }
2491         if (validate_win(win->ws->focus_prev)) {
2492                 kill_refs(win->ws->focus_prev);
2493                 win->ws->focus_prev = NULL;
2494         }
2495
2496         grabbuttons(win, 0);
2497         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2498             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2499         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2500             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2501 }
2502
2503 void
2504 unfocus_all(void)
2505 {
2506         struct ws_win           *win;
2507         int                     i, j, num_screens;
2508
2509         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2510
2511         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2512         for (i = 0; i < num_screens; i++)
2513                 for (j = 0; j < workspace_limit; j++)
2514                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2515                                 unfocus_win(win);
2516 }
2517
2518 void
2519 focus_win(struct ws_win *win)
2520 {
2521         struct ws_win           *cfw = NULL;
2522         xcb_get_input_focus_reply_t     *r;
2523         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2524
2525         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2526
2527         if (win == NULL)
2528                 return;
2529         if (win->ws == NULL)
2530                 return;
2531
2532         if (validate_ws(win->ws))
2533                 return; /* XXX this gets hit with thunderbird, needs fixing */
2534
2535         if (validate_win(win)) {
2536                 kill_refs(win);
2537                 return;
2538         }
2539
2540         if (validate_win(win)) {
2541                 kill_refs(win);
2542                 return;
2543         }
2544
2545         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2546         if (r) {
2547                 cur_focus = r->focus;
2548                 free(r);
2549         }
2550         if ((cfw = find_window(cur_focus)) != NULL)
2551                 unfocus_win(cfw);
2552         else {
2553 #if 0
2554                 /* use larger hammer since the window was killed somehow */
2555                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2556                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2557                                 xcb_change_window_attributes(conn, cfw->id,
2558                                     XCB_CW_BORDER_PIXEL,
2559                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2560 #endif
2561         }
2562
2563         win->ws->focus = win;
2564
2565         if (win->ws->r != NULL) {
2566                 if (win->java == 0)
2567                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2568                             win->id, XCB_CURRENT_TIME);
2569                 grabbuttons(win, 1);
2570                 xcb_change_window_attributes(conn, win->id,
2571                     XCB_CW_BORDER_PIXEL,
2572                     &win->ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
2573                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2574                     win->ws->always_raise)
2575                         map_window_raised(win->id);
2576
2577                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2578                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2579                     &win->id);
2580         }
2581
2582         bar_update();
2583 }
2584
2585 void
2586 event_drain(uint8_t rt)
2587 {
2588         xcb_generic_event_t     *evt;
2589
2590         xcb_flush(conn);
2591         while ((evt = xcb_poll_for_event(conn))) {
2592                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2593                         event_handle(evt);
2594
2595                 free(evt);
2596         }
2597 }
2598
2599 void
2600 switchws(struct swm_region *r, union arg *args)
2601 {
2602         int                     wsid = args->id, unmap_old = 0;
2603         struct swm_region       *this_r, *other_r;
2604         struct ws_win           *win;
2605         struct workspace        *new_ws, *old_ws;
2606         union arg               a;
2607
2608         if (!(r && r->s))
2609                 return;
2610
2611         if (wsid >= workspace_limit)
2612                 return;
2613
2614         this_r = r;
2615         old_ws = this_r->ws;
2616         new_ws = &this_r->s->ws[wsid];
2617
2618         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2619             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2620
2621         if (new_ws == NULL || old_ws == NULL)
2622                 return;
2623         if (new_ws == old_ws)
2624                 return;
2625
2626         other_r = new_ws->r;
2627         if (other_r == NULL) {
2628                 /* the other workspace is hidden, hide this one */
2629                 old_ws->r = NULL;
2630                 unmap_old = 1;
2631         } else {
2632                 /* the other ws is visible in another region, exchange them */
2633                 other_r->ws_prior = new_ws;
2634                 other_r->ws = old_ws;
2635                 old_ws->r = other_r;
2636         }
2637         this_r->ws_prior = old_ws;
2638         this_r->ws = new_ws;
2639         new_ws->r = this_r;
2640
2641         /* this is needed so that we can click on a window after a restart */
2642         unfocus_all();
2643
2644         stack();
2645         a.id = SWM_ARG_ID_FOCUSCUR;
2646         focus(new_ws->r, &a);
2647
2648         /* unmap old windows */
2649         if (unmap_old)
2650                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2651                         unmap_window(win);
2652
2653         if (focus_mode == SWM_FOCUS_DEFAULT)
2654                 event_drain(XCB_ENTER_NOTIFY);
2655         else
2656                 xcb_flush(conn);
2657
2658         DNPRINTF(SWM_D_WS, "switchws: done\n");
2659 }
2660
2661 void
2662 cyclews(struct swm_region *r, union arg *args)
2663 {
2664         union                   arg a;
2665         struct swm_screen       *s = r->s;
2666         int                     cycle_all = 0;
2667
2668         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2669             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2670
2671         a.id = r->ws->idx;
2672         do {
2673                 switch (args->id) {
2674                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2675                         cycle_all = 1;
2676                         /* FALLTHROUGH */
2677                 case SWM_ARG_ID_CYCLEWS_UP:
2678                         if (a.id < workspace_limit - 1)
2679                                 a.id++;
2680                         else
2681                                 a.id = 0;
2682                         break;
2683                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2684                         cycle_all = 1;
2685                         /* FALLTHROUGH */
2686                 case SWM_ARG_ID_CYCLEWS_DOWN:
2687                         if (a.id > 0)
2688                                 a.id--;
2689                         else
2690                                 a.id = workspace_limit - 1;
2691                         break;
2692                 default:
2693                         return;
2694                 };
2695
2696                 if (!cycle_all &&
2697                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2698                         continue;
2699                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2700                         continue;
2701
2702                 switchws(r, &a);
2703         } while (a.id != r->ws->idx);
2704 }
2705
2706 void
2707 priorws(struct swm_region *r, union arg *args)
2708 {
2709         union arg               a;
2710
2711         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2712             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2713
2714         if (r->ws_prior == NULL)
2715                 return;
2716
2717         a.id = r->ws_prior->idx;
2718         switchws(r, &a);
2719 }
2720
2721 void
2722 cyclescr(struct swm_region *r, union arg *args)
2723 {
2724         struct swm_region       *rr = NULL;
2725         union arg               a;
2726         int                     i, x, y, num_screens;
2727
2728         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2729         /* do nothing if we don't have more than one screen */
2730         if (!(num_screens > 1 || outputs > 1))
2731                 return;
2732
2733         i = r->s->idx;
2734         switch (args->id) {
2735         case SWM_ARG_ID_CYCLESC_UP:
2736                 rr = TAILQ_NEXT(r, entry);
2737                 if (rr == NULL)
2738                         rr = TAILQ_FIRST(&screens[i].rl);
2739                 break;
2740         case SWM_ARG_ID_CYCLESC_DOWN:
2741                 rr = TAILQ_PREV(r, swm_region_list, entry);
2742                 if (rr == NULL)
2743                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2744                 break;
2745         default:
2746                 return;
2747         };
2748         if (rr == NULL)
2749                 return;
2750
2751         /* move mouse to region */
2752         x = X(rr) + 1;
2753         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2754         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2755             x, y);
2756
2757         a.id = SWM_ARG_ID_FOCUSCUR;
2758         focus(rr, &a);
2759
2760         if (rr->ws->focus) {
2761                 /* move to focus window */
2762                 x = X(rr->ws->focus) + 1;
2763                 y = Y(rr->ws->focus) + 1;
2764                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2765                     0, x, y);
2766         }
2767 }
2768
2769 void
2770 sort_windows(struct ws_win_list *wl)
2771 {
2772         struct ws_win           *win, *parent, *nxt;
2773
2774         if (wl == NULL)
2775                 return;
2776
2777         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2778                 nxt = TAILQ_NEXT(win, entry);
2779                 if (win->transient) {
2780                         parent = find_window(win->transient);
2781                         if (parent == NULL) {
2782                                 warnx("not possible bug");
2783                                 continue;
2784                         }
2785                         TAILQ_REMOVE(wl, win, entry);
2786                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2787                 }
2788         }
2789
2790 }
2791
2792 void
2793 swapwin(struct swm_region *r, union arg *args)
2794 {
2795         struct ws_win           *target, *source;
2796         struct ws_win           *cur_focus;
2797         struct ws_win_list      *wl;
2798
2799
2800         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2801             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2802
2803         cur_focus = r->ws->focus;
2804         if (cur_focus == NULL)
2805                 return;
2806
2807         source = cur_focus;
2808         wl = &source->ws->winlist;
2809
2810         switch (args->id) {
2811         case SWM_ARG_ID_SWAPPREV:
2812                 if (source->transient)
2813                         source = find_window(source->transient);
2814                 target = TAILQ_PREV(source, ws_win_list, entry);
2815                 if (target && target->transient)
2816                         target = find_window(target->transient);
2817                 TAILQ_REMOVE(wl, source, entry);
2818                 if (target == NULL)
2819                         TAILQ_INSERT_TAIL(wl, source, entry);
2820                 else
2821                         TAILQ_INSERT_BEFORE(target, source, entry);
2822                 break;
2823         case SWM_ARG_ID_SWAPNEXT:
2824                 target = TAILQ_NEXT(source, entry);
2825                 /* move the parent and let the sort handle the move */
2826                 if (source->transient)
2827                         source = find_window(source->transient);
2828                 TAILQ_REMOVE(wl, source, entry);
2829                 if (target == NULL)
2830                         TAILQ_INSERT_HEAD(wl, source, entry);
2831                 else
2832                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2833                 break;
2834         case SWM_ARG_ID_SWAPMAIN:
2835                 target = TAILQ_FIRST(wl);
2836                 if (target == source) {
2837                         if (source->ws->focus_prev != NULL &&
2838                             source->ws->focus_prev != target)
2839                                 source = source->ws->focus_prev;
2840                         else
2841                                 return;
2842                 }
2843                 if (target == NULL || source == NULL)
2844                         return;
2845                 source->ws->focus_prev = target;
2846                 TAILQ_REMOVE(wl, target, entry);
2847                 TAILQ_INSERT_BEFORE(source, target, entry);
2848                 TAILQ_REMOVE(wl, source, entry);
2849                 TAILQ_INSERT_HEAD(wl, source, entry);
2850                 break;
2851         case SWM_ARG_ID_MOVELAST:
2852                 TAILQ_REMOVE(wl, source, entry);
2853                 TAILQ_INSERT_TAIL(wl, source, entry);
2854                 break;
2855         default:
2856                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2857                 return;
2858         }
2859
2860         sort_windows(wl);
2861
2862         stack();
2863
2864         xcb_flush(conn);
2865 }
2866
2867 void
2868 focus_prev(struct ws_win *win)
2869 {
2870         struct ws_win           *winfocus = NULL;
2871         struct ws_win           *cur_focus = NULL;
2872         struct ws_win_list      *wl = NULL;
2873         struct workspace        *ws = NULL;
2874
2875         if (!(win && win->ws))
2876                 return;
2877
2878         ws = win->ws;
2879         wl = &ws->winlist;
2880         cur_focus = ws->focus;
2881
2882         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2883             WINID(win), WINID(cur_focus));
2884
2885         /* pickle, just focus on whatever */
2886         if (cur_focus == NULL) {
2887                 /* use prev_focus if valid */
2888                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2889                     find_window(WINID(ws->focus_prev)))
2890                         winfocus = ws->focus_prev;
2891                 goto done;
2892         }
2893
2894         /* if transient focus on parent */
2895         if (cur_focus->transient) {
2896                 winfocus = find_window(cur_focus->transient);
2897                 goto done;
2898         }
2899
2900         /* if in max_stack try harder */
2901         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2902             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2903                 if (cur_focus != ws->focus_prev)
2904                         winfocus = ws->focus_prev;
2905                 else
2906                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2907                 if (winfocus)
2908                         goto done;
2909         }
2910
2911         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2912
2913         if (winfocus == NULL || winfocus == win) {
2914                 switch (focus_close) {
2915                 case SWM_STACK_BOTTOM:
2916                         winfocus = TAILQ_FIRST(wl);
2917                         break;
2918                 case SWM_STACK_TOP:
2919                         winfocus = TAILQ_LAST(wl, ws_win_list);
2920                         break;
2921                 case SWM_STACK_ABOVE:
2922                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2923                                 if (focus_close_wrap)
2924                                         winfocus = TAILQ_FIRST(wl);
2925                                 else
2926                                         winfocus = TAILQ_PREV(cur_focus,
2927                                             ws_win_list, entry);
2928                         }
2929                         break;
2930                 case SWM_STACK_BELOW:
2931                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2932                             entry)) == NULL) {
2933                                 if (focus_close_wrap)
2934                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2935                                 else
2936                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2937                         }
2938                         break;
2939                 }
2940         }
2941 done:
2942         if (winfocus == NULL) {
2943                 if (focus_default == SWM_STACK_TOP)
2944                         winfocus = TAILQ_LAST(wl, ws_win_list);
2945                 else
2946                         winfocus = TAILQ_FIRST(wl);
2947         }
2948
2949         kill_refs(win);
2950         focus_magic(winfocus);
2951 }
2952
2953 void
2954 focus(struct swm_region *r, union arg *args)
2955 {
2956         struct ws_win           *winfocus = NULL, *head;
2957         struct ws_win           *cur_focus = NULL;
2958         struct ws_win_list      *wl = NULL;
2959         struct workspace        *ws = NULL;
2960         int                     all_iconics;
2961
2962         if (!(r && r->ws))
2963                 return;
2964
2965         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2966
2967         /* treat FOCUS_CUR special */
2968         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2969                 if (r->ws->focus && r->ws->focus->iconic == 0)
2970                         winfocus = r->ws->focus;
2971                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2972                         winfocus = r->ws->focus_prev;
2973                 else
2974                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2975                                 if (winfocus->iconic == 0)
2976                                         break;
2977
2978                 focus_magic(winfocus);
2979                 return;
2980         }
2981
2982         if ((cur_focus = r->ws->focus) == NULL)
2983                 return;
2984         ws = r->ws;
2985         wl = &ws->winlist;
2986         if (TAILQ_EMPTY(wl))
2987                 return;
2988         /* make sure there is at least one uniconified window */
2989         all_iconics = 1;
2990         TAILQ_FOREACH(winfocus, wl, entry)
2991                 if (winfocus->iconic == 0) {
2992                         all_iconics = 0;
2993                         break;
2994                 }
2995         if (all_iconics)
2996                 return;
2997
2998         switch (args->id) {
2999         case SWM_ARG_ID_FOCUSPREV:
3000                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3001                 if (head == NULL)
3002                         head = TAILQ_LAST(wl, ws_win_list);
3003                 winfocus = head;
3004                 if (WINID(winfocus) == cur_focus->transient) {
3005                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3006                         if (head == NULL)
3007                                 head = TAILQ_LAST(wl, ws_win_list);
3008                         winfocus = head;
3009                 }
3010
3011                 /* skip iconics */
3012                 if (winfocus && winfocus->iconic) {
3013                         while (winfocus != cur_focus) {
3014                                 if (winfocus == NULL)
3015                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3016                                 if (winfocus->iconic == 0)
3017                                         break;
3018                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3019                                     entry);
3020                         }
3021                 }
3022                 break;
3023
3024         case SWM_ARG_ID_FOCUSNEXT:
3025                 head = TAILQ_NEXT(cur_focus, entry);
3026                 if (head == NULL)
3027                         head = TAILQ_FIRST(wl);
3028                 winfocus = head;
3029
3030                 /* skip iconics */
3031                 if (winfocus && winfocus->iconic) {
3032                         while (winfocus != cur_focus) {
3033                                 if (winfocus == NULL)
3034                                         winfocus = TAILQ_FIRST(wl);
3035                                 if (winfocus->iconic == 0)
3036                                         break;
3037                                 winfocus = TAILQ_NEXT(winfocus, entry);
3038                         }
3039                 }
3040                 break;
3041
3042         case SWM_ARG_ID_FOCUSMAIN:
3043                 winfocus = TAILQ_FIRST(wl);
3044                 if (winfocus == cur_focus)
3045                         winfocus = cur_focus->ws->focus_prev;
3046                 break;
3047
3048         default:
3049                 return;
3050         }
3051
3052         focus_magic(winfocus);
3053
3054         xcb_flush(conn);
3055 }
3056
3057 void
3058 cycle_layout(struct swm_region *r, union arg *args)
3059 {
3060         struct workspace        *ws = r->ws;
3061         union arg               a;
3062
3063         /* suppress unused warning since var is needed */
3064         (void)args;
3065
3066         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3067
3068         ws->cur_layout++;
3069         if (ws->cur_layout->l_stack == NULL)
3070                 ws->cur_layout = &layouts[0];
3071
3072         stack();
3073         bar_update();
3074
3075         if (focus_mode == SWM_FOCUS_DEFAULT)
3076                 event_drain(XCB_ENTER_NOTIFY);
3077
3078         a.id = SWM_ARG_ID_FOCUSCUR;
3079         focus(r, &a);
3080 }
3081
3082 void
3083 stack_config(struct swm_region *r, union arg *args)
3084 {
3085         struct workspace        *ws = r->ws;
3086
3087         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3088             args->id, ws->idx);
3089
3090         if (ws->cur_layout->l_config != NULL)
3091                 ws->cur_layout->l_config(ws, args->id);
3092
3093         if (args->id != SWM_ARG_ID_STACKINIT)
3094                 stack();
3095         bar_update();
3096 }
3097
3098 void
3099 stack(void) {
3100         struct swm_geometry     g;
3101         struct swm_region       *r;
3102         int                     i, num_screens;
3103 #ifdef SWM_DEBUG
3104         int j;
3105 #endif
3106
3107         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3108
3109         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3110         for (i = 0; i < num_screens; i++) {
3111 #ifdef SWM_DEBUG
3112                 j = 0;
3113 #endif
3114                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3115                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3116                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3117
3118                         /* start with screen geometry, adjust for bar */
3119                         g = r->g;
3120                         g.w -= 2 * border_width;
3121                         g.h -= 2 * border_width;
3122                         if (bar_enabled) {
3123                                 if (!bar_at_bottom)
3124                                         g.y += bar_height;
3125                                 g.h -= bar_height;
3126                         }
3127                         r->ws->cur_layout->l_stack(r->ws, &g);
3128                         r->ws->cur_layout->l_string(r->ws);
3129                         /* save r so we can track region changes */
3130                         r->ws->old_r = r;
3131                 }
3132         }
3133         if (font_adjusted)
3134                 font_adjusted--;
3135
3136         if (focus_mode == SWM_FOCUS_DEFAULT)
3137                 event_drain(XCB_ENTER_NOTIFY);
3138
3139         DNPRINTF(SWM_D_STACK, "stack: end\n");
3140 }
3141
3142 void
3143 store_float_geom(struct ws_win *win, struct swm_region *r)
3144 {
3145         /* retain window geom and region geom */
3146         win->g_float = win->g;
3147         win->g_float.x -= X(r);
3148         win->g_float.y -= Y(r);
3149         win->g_floatvalid = 1;
3150         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3151             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3152             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3153             win->g_float.w, win->g_float.h);
3154 }
3155
3156 void
3157 stack_floater(struct ws_win *win, struct swm_region *r)
3158 {
3159         if (win == NULL)
3160                 return;
3161
3162         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3163
3164         /*
3165          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3166          * geom on ws switches or return from max mode
3167          */
3168         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3169             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3170                 /* refloat at last floating relative position */
3171                 win->g = win->g_float;
3172                 X(win) += X(r);
3173                 Y(win) += Y(r);
3174         }
3175
3176         win->floatmaxed = 0;
3177
3178         /*
3179          * if set to fullscreen mode, configure window to maximum size.
3180          */
3181         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3182                 if (!win->g_floatvalid)
3183                         store_float_geom(win, win->ws->r);
3184
3185                 win->g = win->ws->r->g;
3186         }
3187
3188         /*
3189          * remove border on fullscreen floater when in fullscreen mode or when
3190          * the quirk is present.
3191          */
3192         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3193             ((win->quirks & SWM_Q_FULLSCREEN) &&
3194              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3195                 if (win->bordered) {
3196                         win->bordered = 0;
3197                         X(win) += border_width;
3198                         Y(win) += border_width;
3199                 }
3200         } else if (!win->bordered) {
3201                 win->bordered = 1;
3202                 X(win) -= border_width;
3203                 Y(win) -= border_width;
3204         }
3205
3206         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3207                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3208                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3209         }
3210
3211         if (!win->manual) {
3212                 /*
3213                  * floaters and transients are auto-centred unless moved
3214                  * or resized
3215                  */
3216                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3217                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3218         }
3219
3220         /* keep window within region bounds */
3221         constrain_window(win, r, 0);
3222
3223         update_window(win);
3224 }
3225
3226 /*
3227  * Send keystrokes to terminal to decrease/increase the font size as the
3228  * window size changes.
3229  */
3230 void
3231 adjust_font(struct ws_win *win)
3232 {
3233         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3234             win->floating || win->transient)
3235                 return;
3236
3237         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3238             WIDTH(win) / win->sh.width_inc < term_width &&
3239             win->font_steps < SWM_MAX_FONT_STEPS) {
3240                 win->font_size_boundary[win->font_steps] =
3241                     (win->sh.width_inc * term_width) + win->sh.base_width;
3242                 win->font_steps++;
3243                 font_adjusted++;
3244                 win->last_inc = win->sh.width_inc;
3245                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3246         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3247             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3248                 win->font_steps--;
3249                 font_adjusted++;
3250                 win->last_inc = win->sh.width_inc;
3251                 fake_keypress(win, XK_KP_Add, ShiftMask);
3252         }
3253 }
3254
3255 #define SWAPXY(g)       do {                            \
3256         int tmp;                                        \
3257         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3258         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3259 } while (0)
3260 void
3261 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3262 {
3263         struct swm_geometry     win_g, r_g = *g;
3264         struct ws_win           *win, *fs_win = NULL;
3265         int                     i, j, s, stacks;
3266         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3267         int                     hrh, extra = 0, h_slice, last_h = 0;
3268         int                     split, colno, winno, mwin, msize, mscale;
3269         int                     remain, missing, v_slice, reconfigure;
3270         int                     bordered = 1;
3271         xcb_get_window_attributes_reply_t *war;
3272
3273         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3274             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3275
3276         winno = count_win(ws, 0);
3277         if (winno == 0 && count_win(ws, 1) == 0)
3278                 return;
3279
3280         TAILQ_FOREACH(win, &ws->winlist, entry)
3281                 if (win->transient == 0 && win->floating == 0
3282                     && win->iconic == 0)
3283                         break;
3284
3285         if (win == NULL)
3286                 goto notiles;
3287
3288         if (rot) {
3289                 w_inc = win->sh.width_inc;
3290                 w_base = win->sh.base_width;
3291                 mwin = ws->l_state.horizontal_mwin;
3292                 mscale = ws->l_state.horizontal_msize;
3293                 stacks = ws->l_state.horizontal_stacks;
3294                 SWAPXY(&r_g);
3295         } else {
3296                 w_inc = win->sh.height_inc;
3297                 w_base = win->sh.base_height;
3298                 mwin = ws->l_state.vertical_mwin;
3299                 mscale = ws->l_state.vertical_msize;
3300                 stacks = ws->l_state.vertical_stacks;
3301         }
3302         win_g = r_g;
3303
3304         if (stacks > winno - mwin)
3305                 stacks = winno - mwin;
3306         if (stacks < 1)
3307                 stacks = 1;
3308
3309         h_slice = r_g.h / SWM_H_SLICE;
3310         if (mwin && winno > mwin) {
3311                 v_slice = r_g.w / SWM_V_SLICE;
3312
3313                 split = mwin;
3314                 colno = split;
3315                 win_g.w = v_slice * mscale;
3316
3317                 if (w_inc > 1 && w_inc < v_slice) {
3318                         /* adjust for window's requested size increment */
3319                         remain = (win_g.w - w_base) % w_inc;
3320                         win_g.w -= remain;
3321                 }
3322
3323                 msize = win_g.w;
3324                 if (flip)
3325                         win_g.x += r_g.w - msize;
3326         } else {
3327                 msize = -2;
3328                 colno = split = winno / stacks;
3329                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3330                     2 * border_width) / stacks);
3331         }
3332         hrh = r_g.h / colno;
3333         extra = r_g.h - (colno * hrh);
3334         win_g.h = hrh - 2 * border_width;
3335
3336         /*  stack all the tiled windows */
3337         i = j = 0, s = stacks;
3338         TAILQ_FOREACH(win, &ws->winlist, entry) {
3339                 if (win->transient != 0 || win->floating != 0)
3340                         continue;
3341                 if (win->iconic != 0)
3342                         continue;
3343
3344                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3345                         fs_win = win;
3346                         continue;
3347                 }
3348
3349                 if (split && i == split) {
3350                         colno = (winno - mwin) / stacks;
3351                         if (s <= (winno - mwin) % stacks)
3352                                 colno++;
3353                         split = split + colno;
3354                         hrh = (r_g.h / colno);
3355                         extra = r_g.h - (colno * hrh);
3356                         if (flip)
3357                                 win_g.x = r_g.x;
3358                         else
3359                                 win_g.x += win_g.w + 2 * border_width;
3360                         win_g.w = (r_g.w - msize -
3361                             (stacks * 2 * border_width)) / stacks;
3362                         if (s == 1)
3363                                 win_g.w += (r_g.w - msize -
3364                                     (stacks * 2 * border_width)) % stacks;
3365                         s--;
3366                         j = 0;
3367                 }
3368                 win_g.h = hrh - 2 * border_width;
3369                 if (rot) {
3370                         h_inc = win->sh.width_inc;
3371                         h_base = win->sh.base_width;
3372                 } else {
3373                         h_inc = win->sh.height_inc;
3374                         h_base = win->sh.base_height;
3375                 }
3376                 if (j == colno - 1) {
3377                         win_g.h = hrh + extra;
3378                 } else if (h_inc > 1 && h_inc < h_slice) {
3379                         /* adjust for window's requested size increment */
3380                         remain = (win_g.h - h_base) % h_inc;
3381                         missing = h_inc - remain;
3382
3383                         if (missing <= extra || j == 0) {
3384                                 extra -= missing;
3385                                 win_g.h += missing;
3386                         } else {
3387                                 win_g.h -= remain;
3388                                 extra += remain;
3389                         }
3390                 }
3391
3392                 if (j == 0)
3393                         win_g.y = r_g.y;
3394                 else
3395                         win_g.y += last_h + 2 * border_width;
3396
3397                 if (disable_border && bar_enabled == 0 && winno == 1){
3398                         bordered = 0;
3399                         win_g.w += 2 * border_width;
3400                         win_g.h += 2 * border_width;
3401                 } else {
3402                         bordered = 1;
3403                 }
3404                 if (rot) {
3405                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3406                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3407                                 reconfigure = 1;
3408                                 X(win) = win_g.y;
3409                                 Y(win) = win_g.x;
3410                                 WIDTH(win) = win_g.h;
3411                                 HEIGHT(win) = win_g.w;
3412                         }
3413                 } else {
3414                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3415                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3416                                 reconfigure = 1;
3417                                 X(win) = win_g.x;
3418                                 Y(win) = win_g.y;
3419                                 WIDTH(win) = win_g.w;
3420                                 HEIGHT(win) = win_g.h;
3421                         }
3422                 }
3423
3424                 if (bordered != win->bordered) {
3425                         reconfigure = 1;
3426                         win->bordered = bordered;
3427                 }
3428
3429                 if (reconfigure) {
3430                         adjust_font(win);
3431                         update_window(win);
3432                 }
3433
3434                 war = xcb_get_window_attributes_reply(conn,
3435                         xcb_get_window_attributes(conn, win->id),
3436                         NULL);
3437                 if (war) {
3438                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3439                                 map_window_raised(win->id);
3440                         free(war);
3441                 }
3442
3443                 last_h = win_g.h;
3444                 i++;
3445                 j++;
3446         }
3447
3448 notiles:
3449         /* now, stack all the floaters and transients */
3450         TAILQ_FOREACH(win, &ws->winlist, entry) {
3451                 if (win->transient == 0 && win->floating == 0)
3452                         continue;
3453                 if (win->iconic == 1)
3454                         continue;
3455                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3456                         fs_win = win;
3457                         continue;
3458                 }
3459
3460                 stack_floater(win, ws->r);
3461                 map_window_raised(win->id);
3462         }
3463
3464         if (fs_win) {
3465                 stack_floater(fs_win, ws->r);
3466                 map_window_raised(fs_win->id);
3467         }
3468 }
3469
3470 void
3471 vertical_config(struct workspace *ws, int id)
3472 {
3473         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3474             id, ws->idx);
3475
3476         switch (id) {
3477         case SWM_ARG_ID_STACKRESET:
3478         case SWM_ARG_ID_STACKINIT:
3479                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3480                 ws->l_state.vertical_mwin = 1;
3481                 ws->l_state.vertical_stacks = 1;
3482                 break;
3483         case SWM_ARG_ID_MASTERSHRINK:
3484                 if (ws->l_state.vertical_msize > 1)
3485                         ws->l_state.vertical_msize--;
3486                 break;
3487         case SWM_ARG_ID_MASTERGROW:
3488                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3489                         ws->l_state.vertical_msize++;
3490                 break;
3491         case SWM_ARG_ID_MASTERADD:
3492                 ws->l_state.vertical_mwin++;
3493                 break;
3494         case SWM_ARG_ID_MASTERDEL:
3495                 if (ws->l_state.vertical_mwin > 0)
3496                         ws->l_state.vertical_mwin--;
3497                 break;
3498         case SWM_ARG_ID_STACKINC:
3499                 ws->l_state.vertical_stacks++;
3500                 break;
3501         case SWM_ARG_ID_STACKDEC:
3502                 if (ws->l_state.vertical_stacks > 1)
3503                         ws->l_state.vertical_stacks--;
3504                 break;
3505         case SWM_ARG_ID_FLIPLAYOUT:
3506                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3507                 break;
3508         default:
3509                 return;
3510         }
3511 }
3512
3513 void
3514 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3515 {
3516         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3517
3518         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3519 }
3520
3521 void
3522 horizontal_config(struct workspace *ws, int id)
3523 {
3524         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3525
3526         switch (id) {
3527         case SWM_ARG_ID_STACKRESET:
3528         case SWM_ARG_ID_STACKINIT:
3529                 ws->l_state.horizontal_mwin = 1;
3530                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3531                 ws->l_state.horizontal_stacks = 1;
3532                 break;
3533         case SWM_ARG_ID_MASTERSHRINK:
3534                 if (ws->l_state.horizontal_msize > 1)
3535                         ws->l_state.horizontal_msize--;
3536                 break;
3537         case SWM_ARG_ID_MASTERGROW:
3538                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3539                         ws->l_state.horizontal_msize++;
3540                 break;
3541         case SWM_ARG_ID_MASTERADD:
3542                 ws->l_state.horizontal_mwin++;
3543                 break;
3544         case SWM_ARG_ID_MASTERDEL:
3545                 if (ws->l_state.horizontal_mwin > 0)
3546                         ws->l_state.horizontal_mwin--;
3547                 break;
3548         case SWM_ARG_ID_STACKINC:
3549                 ws->l_state.horizontal_stacks++;
3550                 break;
3551         case SWM_ARG_ID_STACKDEC:
3552                 if (ws->l_state.horizontal_stacks > 1)
3553                         ws->l_state.horizontal_stacks--;
3554                 break;
3555         case SWM_ARG_ID_FLIPLAYOUT:
3556                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3557                 break;
3558         default:
3559                 return;
3560         }
3561 }
3562
3563 void
3564 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3565 {
3566         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3567
3568         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3569 }
3570
3571 /* fullscreen view */
3572 void
3573 max_stack(struct workspace *ws, struct swm_geometry *g)
3574 {
3575         struct swm_geometry     gg = *g;
3576         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3577         int                     winno, num_screens;
3578
3579         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3580
3581         if (ws == NULL)
3582                 return;
3583
3584         winno = count_win(ws, 0);
3585         if (winno == 0 && count_win(ws, 1) == 0)
3586                 return;
3587
3588         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3589         TAILQ_FOREACH(win, &ws->winlist, entry) {
3590                 if (win->transient) {
3591                         wintrans = win;
3592                         parent = find_window(win->transient);
3593                         continue;
3594                 }
3595
3596                 if (win->floating && win->floatmaxed == 0 ) {
3597                         /*
3598                          * retain geometry for retrieval on exit from
3599                          * max_stack mode
3600                          */
3601                         store_float_geom(win, ws->r);
3602                         win->floatmaxed = 1;
3603                 }
3604
3605                 /* only reconfigure if necessary */
3606                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3607                     HEIGHT(win) != gg.h) {
3608                         win->g = gg;
3609                         if (bar_enabled){
3610                                 win->bordered = 1;
3611                         } else {
3612                                 win->bordered = 0;
3613                                 WIDTH(win) += 2 * border_width;
3614                                 HEIGHT(win) += 2 * border_width;
3615                         }
3616
3617                         update_window(win);
3618                 }
3619                 /* unmap only if we don't have multi screen */
3620                 if (win != ws->focus)
3621                         if (!(num_screens > 1 || outputs > 1))
3622                                 unmap_window(win);
3623         }
3624
3625         /* put the last transient on top */
3626         if (wintrans) {
3627                 if (parent)
3628                         map_window_raised(parent->id);
3629                 stack_floater(wintrans, ws->r);
3630                 focus_magic(wintrans);
3631         }
3632 }
3633
3634 void
3635 send_to_ws(struct swm_region *r, union arg *args)
3636 {
3637         int                     wsid = args->id;
3638         struct ws_win           *win = NULL, *parent;
3639         struct workspace        *ws, *nws;
3640         char                    ws_idx_str[SWM_PROPLEN];
3641         union arg               a;
3642
3643         if (wsid >= workspace_limit)
3644                 return;
3645
3646         if (r && r->ws && r->ws->focus)
3647                 win = r->ws->focus;
3648         else
3649                 return;
3650         if (win == NULL)
3651                 return;
3652         if (win->ws->idx == wsid)
3653                 return;
3654
3655         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3656
3657         ws = win->ws;
3658         nws = &win->s->ws[wsid];
3659
3660         a.id = SWM_ARG_ID_FOCUSPREV;
3661         focus(r, &a);
3662         if (win->transient) {
3663                 parent = find_window(win->transient);
3664                 if (parent) {
3665                         unmap_window(parent);
3666                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3667                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3668                         parent->ws = nws;
3669                 }
3670         }
3671         unmap_window(win);
3672         TAILQ_REMOVE(&ws->winlist, win, entry);
3673         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3674         if (TAILQ_EMPTY(&ws->winlist))
3675                 r->ws->focus = NULL;
3676         win->ws = nws;
3677
3678         /* Try to update the window's workspace property */
3679         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
3680                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3681                     ws_idx_str);
3682                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3683                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3684                     ws_idx_str);
3685         }
3686
3687         stack();
3688         bar_update();
3689
3690         xcb_flush(conn);
3691 }
3692
3693 void
3694 pressbutton(struct swm_region *r, union arg *args)
3695 {
3696         /* suppress unused warning since var is needed */
3697         (void)r;
3698
3699         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3700             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3701         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3702             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3703 }
3704
3705 void
3706 raise_toggle(struct swm_region *r, union arg *args)
3707 {
3708         /* suppress unused warning since var is needed */
3709         (void)args;
3710
3711         if (r == NULL || r->ws == NULL)
3712                 return;
3713
3714         r->ws->always_raise = !r->ws->always_raise;
3715
3716         /* bring floaters back to top */
3717         if (r->ws->always_raise == 0)
3718                 stack();
3719
3720         xcb_flush(conn);
3721 }
3722
3723 void
3724 iconify(struct swm_region *r, union arg *args)
3725 {
3726         union arg a;
3727
3728         /* suppress unused warning since var is needed */
3729         (void)args;
3730
3731         if (r->ws->focus == NULL)
3732                 return;
3733         unmap_window(r->ws->focus);
3734         update_iconic(r->ws->focus, 1);
3735         stack();
3736
3737         r->ws->focus = NULL;
3738         a.id = SWM_ARG_ID_FOCUSCUR;
3739         focus(r, &a);
3740
3741         xcb_flush(conn);
3742 }
3743
3744 char *
3745 get_win_name(xcb_window_t win)
3746 {
3747         char                            *name = NULL;
3748         xcb_get_property_cookie_t       c;
3749         xcb_icccm_get_text_property_reply_t     r;
3750
3751         c = xcb_icccm_get_wm_name(conn, win);
3752         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3753                 if (r.name_len > 0) {
3754                         name = malloc(r.name_len + 1);
3755                         if (!name) {
3756                                 xcb_icccm_get_text_property_reply_wipe(&r);
3757                                 return (NULL);
3758                         }
3759                         memcpy(name, r.name, r.name_len);
3760                         name[r.name_len] = '\0';
3761                 }
3762                 xcb_icccm_get_text_property_reply_wipe(&r);
3763         }
3764
3765         return (name);
3766 }
3767
3768 void
3769 uniconify(struct swm_region *r, union arg *args)
3770 {
3771         struct ws_win           *win;
3772         FILE                    *lfile;
3773         char                    *name;
3774         int                     count = 0;
3775
3776         DNPRINTF(SWM_D_MISC, "uniconify\n");
3777
3778         if (r == NULL || r->ws == NULL)
3779                 return;
3780
3781         /* make sure we have anything to uniconify */
3782         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3783                 if (win->ws == NULL)
3784                         continue; /* should never happen */
3785                 if (win->iconic == 0)
3786                         continue;
3787                 count++;
3788         }
3789         if (count == 0)
3790                 return;
3791
3792         search_r = r;
3793         search_resp_action = SWM_SEARCH_UNICONIFY;
3794
3795         spawn_select(r, args, "search", &searchpid);
3796
3797         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3798                 return;
3799
3800         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3801                 if (win->ws == NULL)
3802                         continue; /* should never happen */
3803                 if (win->iconic == 0)
3804                         continue;
3805
3806                 name = get_win_name(win->id);
3807                 if (name == NULL)
3808                         continue;
3809                 fprintf(lfile, "%s.%u\n", name, win->id);
3810                 free(name);
3811         }
3812
3813         fclose(lfile);
3814
3815         xcb_flush(conn);
3816 }
3817
3818 void
3819 name_workspace(struct swm_region *r, union arg *args)
3820 {
3821         FILE                    *lfile;
3822
3823         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3824
3825         if (r == NULL)
3826                 return;
3827
3828         search_r = r;
3829         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3830
3831         spawn_select(r, args, "name_workspace", &searchpid);
3832
3833         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3834                 return;
3835
3836         fprintf(lfile, "%s", "");
3837         fclose(lfile);
3838 }
3839
3840 void
3841 search_workspace(struct swm_region *r, union arg *args)
3842 {
3843         int                     i;
3844         struct workspace        *ws;
3845         FILE                    *lfile;
3846
3847         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3848
3849         if (r == NULL)
3850                 return;
3851
3852         search_r = r;
3853         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3854
3855         spawn_select(r, args, "search", &searchpid);
3856
3857         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3858                 return;
3859
3860         for (i = 0; i < workspace_limit; i++) {
3861                 ws = &r->s->ws[i];
3862                 if (ws == NULL)
3863                         continue;
3864                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3865                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3866         }
3867
3868         fclose(lfile);
3869 }
3870
3871 void
3872 search_win_cleanup(void)
3873 {
3874         struct search_window    *sw = NULL;
3875
3876         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3877                 xcb_destroy_window(conn, sw->indicator);
3878                 xcb_free_gc(conn, sw->gc);
3879                 TAILQ_REMOVE(&search_wl, sw, entry);
3880                 free(sw);
3881         }
3882 }
3883
3884 void
3885 search_win(struct swm_region *r, union arg *args)
3886 {
3887         struct ws_win           *win = NULL;
3888         struct search_window    *sw = NULL;
3889         xcb_window_t            w;
3890         uint32_t                gcv[3], wa[2];
3891         int                     i;
3892         char                    s[8];
3893         FILE                    *lfile;
3894         size_t                  len;
3895         XftDraw                 *draw;
3896         XGlyphInfo              info;
3897
3898         DNPRINTF(SWM_D_MISC, "search_win\n");
3899
3900         search_r = r;
3901         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3902
3903         spawn_select(r, args, "search", &searchpid);
3904
3905         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3906                 return;
3907
3908         TAILQ_INIT(&search_wl);
3909
3910         i = 1;
3911         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3912                 if (win->iconic == 1)
3913                         continue;
3914
3915                 sw = calloc(1, sizeof(struct search_window));
3916                 if (sw == NULL) {
3917                         warn("search_win: calloc");
3918                         fclose(lfile);
3919                         search_win_cleanup();
3920                         return;
3921                 }
3922                 sw->idx = i;
3923                 sw->win = win;
3924
3925                 snprintf(s, sizeof s, "%d", i);
3926                 len = strlen(s);
3927
3928                 XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
3929
3930                 w = xcb_generate_id(conn);
3931                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
3932                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
3933                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3934                     info.width + 4, bar_font->height + 4,
3935                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3936                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3937
3938                 sw->indicator = w;
3939                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3940
3941                 sw->gc = xcb_generate_id(conn);
3942                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
3943                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
3944                 gcv[2] = 0;
3945                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3946                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
3947                 map_window_raised(w);
3948
3949                 draw = XftDrawCreate(display, w,
3950                     DefaultVisual(display, r->s->idx),
3951                     DefaultColormap(display, r->s->idx));
3952
3953                 XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
3954                     (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
3955                     (FcChar8 *)s, len);
3956
3957                 XftDrawDestroy(draw);
3958
3959                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3960
3961                 fprintf(lfile, "%d\n", i);
3962                 i++;
3963         }
3964
3965         fclose(lfile);
3966
3967         xcb_flush(conn);
3968 }
3969
3970 void
3971 search_resp_uniconify(char *resp, unsigned long len)
3972 {
3973         char                    *name;
3974         struct ws_win           *win;
3975         char                    *s;
3976
3977         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3978
3979         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3980                 if (win->iconic == 0)
3981                         continue;
3982                 name = get_win_name(win->id);
3983                 if (name == NULL)
3984                         continue;
3985                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3986                         free(name);
3987                         continue;
3988                 }
3989                 free(name);
3990                 if (strncmp(s, resp, len) == 0) {
3991                         /* XXX this should be a callback to generalize */
3992                         update_iconic(win, 0);
3993                         free(s);
3994                         break;
3995                 }
3996                 free(s);
3997         }
3998 }
3999
4000 void
4001 search_resp_name_workspace(char *resp, unsigned long len)
4002 {
4003         struct workspace        *ws;
4004
4005         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4006
4007         if (search_r->ws == NULL)
4008                 return;
4009         ws = search_r->ws;
4010
4011         if (ws->name) {
4012                 free(search_r->ws->name);
4013                 search_r->ws->name = NULL;
4014         }
4015
4016         if (len > 1) {
4017                 ws->name = strdup(resp);
4018                 if (ws->name == NULL) {
4019                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4020                             "strdup: %s", strerror(errno));
4021                         return;
4022                 }
4023         }
4024 }
4025
4026 void
4027 search_resp_search_workspace(char *resp)
4028 {
4029         char                    *p, *q;
4030         int                     ws_idx;
4031         const char              *errstr;
4032         union arg               a;
4033
4034         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4035
4036         q = strdup(resp);
4037         if (!q) {
4038                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4039                     strerror(errno));
4040                 return;
4041         }
4042         p = strchr(q, ':');
4043         if (p != NULL)
4044                 *p = '\0';
4045         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4046         if (errstr) {
4047                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4048                     errstr, q);
4049                 free(q);
4050                 return;
4051         }
4052         free(q);
4053         a.id = ws_idx - 1;
4054         switchws(search_r, &a);
4055 }
4056
4057 void
4058 search_resp_search_window(char *resp)
4059 {
4060         char                    *s;
4061         int                     idx;
4062         const char              *errstr;
4063         struct search_window    *sw;
4064
4065         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4066
4067         s = strdup(resp);
4068         if (!s) {
4069                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4070                     strerror(errno));
4071                 return;
4072         }
4073
4074         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4075         if (errstr) {
4076                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4077                     errstr, s);
4078                 free(s);
4079                 return;
4080         }
4081         free(s);
4082
4083         TAILQ_FOREACH(sw, &search_wl, entry)
4084                 if (idx == sw->idx) {
4085                         focus_win(sw->win);
4086                         break;
4087                 }
4088 }
4089
4090 #define MAX_RESP_LEN    1024
4091
4092 void
4093 search_do_resp(void)
4094 {
4095         ssize_t                 rbytes;
4096         char                    *resp;
4097         unsigned long           len;
4098
4099         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4100
4101         search_resp = 0;
4102         searchpid = 0;
4103
4104         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4105                 warn("search: calloc");
4106                 goto done;
4107         }
4108
4109         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4110         if (rbytes <= 0) {
4111                 warn("search: read error");
4112                 goto done;
4113         }
4114         resp[rbytes] = '\0';
4115
4116         /* XXX:
4117          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4118          * newline, so work around that by sanitizing the resp now.
4119          */
4120         resp[strcspn(resp, "\n")] = '\0';
4121         len = strlen(resp);
4122
4123         switch (search_resp_action) {
4124         case SWM_SEARCH_UNICONIFY:
4125                 search_resp_uniconify(resp, len);
4126                 break;
4127         case SWM_SEARCH_NAME_WORKSPACE:
4128                 search_resp_name_workspace(resp, len);
4129                 break;
4130         case SWM_SEARCH_SEARCH_WORKSPACE:
4131                 search_resp_search_workspace(resp);
4132                 break;
4133         case SWM_SEARCH_SEARCH_WINDOW:
4134                 search_resp_search_window(resp);
4135                 break;
4136         }
4137
4138 done:
4139         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4140                 search_win_cleanup();
4141
4142         search_resp_action = SWM_SEARCH_NONE;
4143         close(select_resp_pipe[0]);
4144         free(resp);
4145 }
4146
4147 void
4148 wkill(struct swm_region *r, union arg *args)
4149 {
4150         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4151
4152         if (r->ws->focus == NULL)
4153                 return;
4154
4155         if (args->id == SWM_ARG_ID_KILLWINDOW)
4156                 xcb_kill_client(conn, r->ws->focus->id);
4157         else
4158                 if (r->ws->focus->can_delete)
4159                         client_msg(r->ws->focus, a_delete);
4160
4161         xcb_flush(conn);
4162 }
4163
4164
4165 int
4166 floating_toggle_win(struct ws_win *win)
4167 {
4168         struct swm_region       *r;
4169
4170         if (win == NULL)
4171                 return (0);
4172
4173         if (!win->ws->r)
4174                 return (0);
4175
4176         r = win->ws->r;
4177
4178         /* reject floating toggles in max stack mode */
4179         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4180                 return (0);
4181
4182         if (win->floating) {
4183                 if (!win->floatmaxed) {
4184                         /* retain position for refloat */
4185                         store_float_geom(win, r);
4186                 }
4187                 win->floating = 0;
4188         } else {
4189                 if (win->g_floatvalid) {
4190                         /* refloat at last floating relative position */
4191                         X(win) = win->g_float.x + X(r);
4192                         Y(win) = win->g_float.y + Y(r);
4193                         WIDTH(win) = win->g_float.w;
4194                         HEIGHT(win) = win->g_float.h;
4195                 }
4196                 win->floating = 1;
4197         }
4198
4199         ewmh_update_actions(win);
4200
4201         return (1);
4202 }
4203
4204 void
4205 floating_toggle(struct swm_region *r, union arg *args)
4206 {
4207         struct ws_win           *win = r->ws->focus;
4208         union arg               a;
4209
4210         /* suppress unused warning since var is needed */
4211         (void)args;
4212
4213         if (win == NULL)
4214                 return;
4215
4216         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4217             _NET_WM_STATE_TOGGLE);
4218
4219         stack();
4220
4221         if (win == win->ws->focus) {
4222                 a.id = SWM_ARG_ID_FOCUSCUR;
4223                 focus(win->ws->r, &a);
4224         }
4225
4226         xcb_flush(conn);
4227         event_drain(XCB_ENTER_NOTIFY);
4228 }
4229
4230 void
4231 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4232 {
4233         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4234                 if (resizable)
4235                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4236                 else
4237                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4238         }
4239
4240         if (X(win) + BORDER(win) < X(r)) {
4241                 if (resizable)
4242                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4243
4244                 X(win) = X(r) - BORDER(win);
4245         }
4246
4247         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4248                 if (resizable)
4249                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4250                 else
4251                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4252         }
4253
4254         if (Y(win) + BORDER(win) < Y(r)) {
4255                 if (resizable)
4256                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4257
4258                 Y(win) = Y(r) - BORDER(win);
4259         }
4260
4261         if (resizable) {
4262                 if (WIDTH(win) < 1)
4263                         WIDTH(win) = 1;
4264                 if (HEIGHT(win) < 1)
4265                         HEIGHT(win) = 1;
4266         }
4267 }
4268
4269 void
4270 update_window(struct ws_win *win)
4271 {
4272         uint16_t        mask;
4273         uint32_t        wc[5];
4274
4275         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4276             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4277             XCB_CONFIG_WINDOW_BORDER_WIDTH;
4278         wc[0] = X(win);
4279         wc[1] = Y(win);
4280         wc[2] = WIDTH(win);
4281         wc[3] = HEIGHT(win);
4282         wc[4] = BORDER(win);
4283
4284         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4285             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4286             wc[3], YESNO(win->bordered));
4287
4288         xcb_configure_window(conn, win->id, mask, wc);
4289 }
4290
4291 #define SWM_RESIZE_STEPS        (50)
4292
4293 void
4294 resize(struct ws_win *win, union arg *args)
4295 {
4296         xcb_timestamp_t         timestamp = 0;
4297         struct swm_region       *r = NULL;
4298         int                     resize_step = 0;
4299         struct swm_geometry     g;
4300         int                     top = 0, left = 0, resizing;
4301         int                     dx, dy;
4302         unsigned int            shape; /* cursor style */
4303         xcb_cursor_t            cursor;
4304         xcb_font_t              cursor_font;
4305         xcb_grab_pointer_cookie_t       gpc;
4306         xcb_grab_pointer_reply_t        *gpr;
4307         xcb_query_pointer_reply_t       *xpr;
4308         xcb_generic_event_t             *evt;
4309         xcb_motion_notify_event_t       *mne;
4310
4311         if (win == NULL)
4312                 return;
4313         r = win->ws->r;
4314
4315         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4316                 return;
4317
4318         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4319             "transient: 0x%x\n", win->id, YESNO(win->floating),
4320             win->transient);
4321
4322         if (!(win->transient != 0 || win->floating != 0))
4323                 return;
4324
4325         /* reject resizes in max mode for floaters (transient ok) */
4326         if (win->floatmaxed)
4327                 return;
4328
4329         win->manual = 1;
4330         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4331             _NET_WM_STATE_ADD);
4332
4333         stack();
4334
4335         switch (args->id) {
4336         case SWM_ARG_ID_WIDTHSHRINK:
4337                 WIDTH(win) -= SWM_RESIZE_STEPS;
4338                 resize_step = 1;
4339                 break;
4340         case SWM_ARG_ID_WIDTHGROW:
4341                 WIDTH(win) += SWM_RESIZE_STEPS;
4342                 resize_step = 1;
4343                 break;
4344         case SWM_ARG_ID_HEIGHTSHRINK:
4345                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4346                 resize_step = 1;
4347                 break;
4348         case SWM_ARG_ID_HEIGHTGROW:
4349                 HEIGHT(win) += SWM_RESIZE_STEPS;
4350                 resize_step = 1;
4351                 break;
4352         default:
4353                 break;
4354         }
4355         if (resize_step) {
4356                 constrain_window(win, r, 1);
4357                 update_window(win);
4358                 store_float_geom(win,r);
4359                 return;
4360         }
4361
4362         /* get cursor offset from window root */
4363         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4364             NULL);
4365         if (!xpr)
4366                 return;
4367
4368         g = win->g;
4369
4370         if (xpr->win_x < WIDTH(win) / 2)
4371                 left = 1;
4372
4373         if (xpr->win_y < HEIGHT(win) / 2)
4374                 top = 1;
4375
4376         if (args->id == SWM_ARG_ID_CENTER)
4377                 shape = XC_sizing;
4378         else if (top)
4379                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4380         else
4381                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4382
4383         cursor_font = xcb_generate_id(conn);
4384         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4385
4386         cursor = xcb_generate_id(conn);
4387         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4388             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4389
4390         gpc = xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4391             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4392             XCB_CURRENT_TIME),
4393         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4394         if (!gpr) {
4395                 xcb_free_cursor(conn, cursor);
4396                 xcb_close_font(conn, cursor_font);
4397                 free(xpr);
4398                 return;
4399         }
4400
4401         xcb_flush(conn);
4402         resizing = 1;
4403         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4404                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4405                 case XCB_BUTTON_RELEASE:
4406                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4407                         resizing = 0;
4408                         break;
4409                 case XCB_MOTION_NOTIFY:
4410                         mne = (xcb_motion_notify_event_t *)evt;
4411                         /* cursor offset/delta from start of the operation */
4412                         dx = mne->root_x - xpr->root_x;
4413                         dy = mne->root_y - xpr->root_y;
4414
4415                         /* vertical */
4416                         if (top)
4417                                 dy = -dy;
4418
4419                         if (args->id == SWM_ARG_ID_CENTER) {
4420                                 if (g.h / 2 + dy < 1)
4421                                         dy = 1 - g.h / 2;
4422
4423                                 Y(win) = g.y - dy;
4424                                 HEIGHT(win) = g.h + 2 * dy;
4425                         } else {
4426                                 if (g.h + dy < 1)
4427                                         dy = 1 - g.h;
4428
4429                                 if (top)
4430                                         Y(win) = g.y - dy;
4431
4432                                 HEIGHT(win) = g.h + dy;
4433                         }
4434
4435                         /* horizontal */
4436                         if (left)
4437                                 dx = -dx;
4438
4439                         if (args->id == SWM_ARG_ID_CENTER) {
4440                                 if (g.w / 2 + dx < 1)
4441                                         dx = 1 - g.w / 2;
4442
4443                                 X(win) = g.x - dx;
4444                                 WIDTH(win) = g.w + 2 * dx;
4445                         } else {
4446                                 if (g.w + dx < 1)
4447                                         dx = 1 - g.w;
4448
4449                                 if (left)
4450                                         X(win) = g.x - dx;
4451
4452                                 WIDTH(win) = g.w + dx;
4453                         }
4454
4455                         constrain_window(win, r, 1);
4456
4457                         /* not free, don't sync more than 120 times / second */
4458                         if ((mne->time - timestamp) > (1000 / 120) ) {
4459                                 timestamp = mne->time;
4460                                 do_sync();
4461                                 update_window(win);
4462                         }
4463                         break;
4464                 default:
4465                         event_handle(evt);
4466                         break;
4467                 }
4468                 free(evt);
4469         }
4470         if (timestamp) {
4471                 do_sync();
4472                 update_window(win);
4473         }
4474         store_float_geom(win,r);
4475
4476         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4477         xcb_free_cursor(conn, cursor);
4478         xcb_close_font(conn, cursor_font);
4479         free(gpr);
4480         free(xpr);
4481         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4482 }
4483
4484 void
4485 resize_step(struct swm_region *r, union arg *args)
4486 {
4487         struct ws_win           *win = NULL;
4488
4489         if (r && r->ws && r->ws->focus)
4490                 win = r->ws->focus;
4491         else
4492                 return;
4493
4494         resize(win, args);
4495 }
4496
4497 #define SWM_MOVE_STEPS  (50)
4498
4499 void
4500 move(struct ws_win *win, union arg *args)
4501 {
4502         xcb_timestamp_t         timestamp = 0;
4503         int                     move_step = 0, moving;
4504         struct swm_region       *r = NULL;
4505         xcb_font_t                      cursor_font;
4506         xcb_cursor_t                    cursor;
4507         xcb_grab_pointer_cookie_t       gpc;
4508         xcb_grab_pointer_reply_t        *gpr;
4509         xcb_query_pointer_reply_t       *qpr;
4510         xcb_generic_event_t             *evt;
4511         xcb_motion_notify_event_t       *mne;
4512
4513         if (win == NULL)
4514                 return;
4515         r = win->ws->r;
4516
4517         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4518                 return;
4519
4520         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4521             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4522
4523         /* in max_stack mode should only move transients */
4524         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4525                 return;
4526
4527         win->manual = 1;
4528         if (win->floating == 0 && !win->transient) {
4529                 store_float_geom(win, r);
4530                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4531                     _NET_WM_STATE_ADD);
4532         }
4533         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4534             _NET_WM_STATE_ADD);
4535
4536         stack();
4537
4538         move_step = 0;
4539         switch (args->id) {
4540         case SWM_ARG_ID_MOVELEFT:
4541                 X(win) -= (SWM_MOVE_STEPS - border_width);
4542                 move_step = 1;
4543                 break;
4544         case SWM_ARG_ID_MOVERIGHT:
4545                 X(win) += (SWM_MOVE_STEPS - border_width);
4546                 move_step = 1;
4547                 break;
4548         case SWM_ARG_ID_MOVEUP:
4549                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4550                 move_step = 1;
4551                 break;
4552         case SWM_ARG_ID_MOVEDOWN:
4553                 Y(win) += (SWM_MOVE_STEPS - border_width);
4554                 move_step = 1;
4555                 break;
4556         default:
4557                 break;
4558         }
4559         if (move_step) {
4560                 constrain_window(win, r, 0);
4561                 update_window(win);
4562                 store_float_geom(win, r);
4563                 return;
4564         }
4565
4566         cursor_font = xcb_generate_id(conn);
4567         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4568
4569         cursor = xcb_generate_id(conn);
4570         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4571                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4572
4573         gpc = xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4574             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4575             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4576         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4577         if (!gpr) {
4578                 xcb_free_cursor(conn, cursor);
4579                 xcb_close_font(conn, cursor_font);
4580                 return;
4581         }
4582
4583         /* get cursor offset from window root */
4584         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4585                 NULL);
4586         if (!qpr) {
4587                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4588                 xcb_free_cursor(conn, cursor);
4589                 xcb_close_font(conn, cursor_font);
4590                 return;
4591         }
4592
4593         xcb_flush(conn);
4594         moving = 1;
4595         while ((evt = xcb_wait_for_event(conn)) && moving) {
4596                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4597                 case XCB_BUTTON_RELEASE:
4598                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4599                         moving = 0;
4600                         break;
4601                 case XCB_MOTION_NOTIFY:
4602                         mne = (xcb_motion_notify_event_t *)evt;
4603                         X(win) = mne->root_x - qpr->win_x - border_width;
4604                         Y(win) = mne->root_y - qpr->win_y - border_width;
4605
4606                         constrain_window(win, r, 0);
4607
4608                         /* not free, don't sync more than 120 times / second */
4609                         if ((mne->time - timestamp) > (1000 / 120) ) {
4610                                 timestamp = mne->time;
4611                                 do_sync();
4612                                 update_window(win);
4613                         }
4614                         break;
4615                 default:
4616                         event_handle(evt);
4617                         break;
4618                 }
4619                 free(evt);
4620         }
4621         if (timestamp) {
4622                 do_sync();
4623                 update_window(win);
4624         }
4625         store_float_geom(win, r);
4626         free(qpr);
4627         xcb_free_cursor(conn, cursor);
4628         xcb_close_font(conn, cursor_font);
4629         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4630         DNPRINTF(SWM_D_EVENT, "move: done\n");
4631 }
4632
4633 void
4634 move_step(struct swm_region *r, union arg *args)
4635 {
4636         struct ws_win           *win = NULL;
4637
4638         if (r && r->ws && r->ws->focus)
4639                 win = r->ws->focus;
4640         else
4641                 return;
4642
4643         if (!(win->transient != 0 || win->floating != 0))
4644                 return;
4645
4646         move(win, args);
4647 }
4648
4649
4650 /* user/key callable function IDs */
4651 enum keyfuncid {
4652         KF_BAR_TOGGLE,
4653         KF_BUTTON2,
4654         KF_CYCLE_LAYOUT,
4655         KF_FLIP_LAYOUT,
4656         KF_FLOAT_TOGGLE,
4657         KF_FOCUS_MAIN,
4658         KF_FOCUS_NEXT,
4659         KF_FOCUS_PREV,
4660         KF_HEIGHT_GROW,
4661         KF_HEIGHT_SHRINK,
4662         KF_ICONIFY,
4663         KF_MASTER_SHRINK,
4664         KF_MASTER_GROW,
4665         KF_MASTER_ADD,
4666         KF_MASTER_DEL,
4667         KF_MOVE_DOWN,
4668         KF_MOVE_LEFT,
4669         KF_MOVE_RIGHT,
4670         KF_MOVE_UP,
4671         KF_MVWS_1,
4672         KF_MVWS_2,
4673         KF_MVWS_3,
4674         KF_MVWS_4,
4675         KF_MVWS_5,
4676         KF_MVWS_6,
4677         KF_MVWS_7,
4678         KF_MVWS_8,
4679         KF_MVWS_9,
4680         KF_MVWS_10,
4681         KF_MVWS_11,
4682         KF_MVWS_12,
4683         KF_MVWS_13,
4684         KF_MVWS_14,
4685         KF_MVWS_15,
4686         KF_MVWS_16,
4687         KF_MVWS_17,
4688         KF_MVWS_18,
4689         KF_MVWS_19,
4690         KF_MVWS_20,
4691         KF_MVWS_21,
4692         KF_MVWS_22,
4693         KF_NAME_WORKSPACE,
4694         KF_QUIT,
4695         KF_RAISE_TOGGLE,
4696         KF_RESTART,
4697         KF_SCREEN_NEXT,
4698         KF_SCREEN_PREV,
4699         KF_SEARCH_WIN,
4700         KF_SEARCH_WORKSPACE,
4701         KF_SPAWN_CUSTOM,
4702         KF_STACK_INC,
4703         KF_STACK_DEC,
4704         KF_STACK_RESET,
4705         KF_SWAP_MAIN,
4706         KF_SWAP_NEXT,
4707         KF_SWAP_PREV,
4708         KF_UNICONIFY,
4709         KF_VERSION,
4710         KF_WIDTH_GROW,
4711         KF_WIDTH_SHRINK,
4712         KF_WIND_DEL,
4713         KF_WIND_KILL,
4714         KF_WS_1,
4715         KF_WS_2,
4716         KF_WS_3,
4717         KF_WS_4,
4718         KF_WS_5,
4719         KF_WS_6,
4720         KF_WS_7,
4721         KF_WS_8,
4722         KF_WS_9,
4723         KF_WS_10,
4724         KF_WS_11,
4725         KF_WS_12,
4726         KF_WS_13,
4727         KF_WS_14,
4728         KF_WS_15,
4729         KF_WS_16,
4730         KF_WS_17,
4731         KF_WS_18,
4732         KF_WS_19,
4733         KF_WS_20,
4734         KF_WS_21,
4735         KF_WS_22,
4736         KF_WS_NEXT,
4737         KF_WS_NEXT_ALL,
4738         KF_WS_PREV,
4739         KF_WS_PREV_ALL,
4740         KF_WS_PRIOR,
4741         KF_DUMPWINS, /* MUST BE LAST */
4742         KF_INVALID
4743 };
4744
4745 /* key definitions */
4746 struct keyfunc {
4747         char                    name[SWM_FUNCNAME_LEN];
4748         void                    (*func)(struct swm_region *r, union arg *);
4749         union arg               args;
4750 } keyfuncs[KF_INVALID + 1] = {
4751         /* name                 function        argument */
4752         { "bar_toggle",         bar_toggle,     {0} },
4753         { "button2",            pressbutton,    {2} },
4754         { "cycle_layout",       cycle_layout,   {0} },
4755         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4756         { "float_toggle",       floating_toggle,{0} },
4757         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4758         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4759         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4760         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4761         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4762         { "iconify",            iconify,        {0} },
4763         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4764         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4765         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4766         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4767         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4768         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4769         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4770         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4771         { "mvws_1",             send_to_ws,     {.id = 0} },
4772         { "mvws_2",             send_to_ws,     {.id = 1} },
4773         { "mvws_3",             send_to_ws,     {.id = 2} },
4774         { "mvws_4",             send_to_ws,     {.id = 3} },
4775         { "mvws_5",             send_to_ws,     {.id = 4} },
4776         { "mvws_6",             send_to_ws,     {.id = 5} },
4777         { "mvws_7",             send_to_ws,     {.id = 6} },
4778         { "mvws_8",             send_to_ws,     {.id = 7} },
4779         { "mvws_9",             send_to_ws,     {.id = 8} },
4780         { "mvws_10",            send_to_ws,     {.id = 9} },
4781         { "mvws_11",            send_to_ws,     {.id = 10} },
4782         { "mvws_12",            send_to_ws,     {.id = 11} },
4783         { "mvws_13",            send_to_ws,     {.id = 12} },
4784         { "mvws_14",            send_to_ws,     {.id = 13} },
4785         { "mvws_15",            send_to_ws,     {.id = 14} },
4786         { "mvws_16",            send_to_ws,     {.id = 15} },
4787         { "mvws_17",            send_to_ws,     {.id = 16} },
4788         { "mvws_18",            send_to_ws,     {.id = 17} },
4789         { "mvws_19",            send_to_ws,     {.id = 18} },
4790         { "mvws_20",            send_to_ws,     {.id = 19} },
4791         { "mvws_21",            send_to_ws,     {.id = 20} },
4792         { "mvws_22",            send_to_ws,     {.id = 21} },
4793         { "name_workspace",     name_workspace, {0} },
4794         { "quit",               quit,           {0} },
4795         { "raise_toggle",       raise_toggle,   {0} },
4796         { "restart",            restart,        {0} },
4797         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4798         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4799         { "search_win",         search_win,     {0} },
4800         { "search_workspace",   search_workspace,       {0} },
4801         { "spawn_custom",       NULL,           {0} },
4802         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4803         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4804         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4805         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4806         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4807         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4808         { "uniconify",          uniconify,      {0} },
4809         { "version",            version,        {0} },
4810         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4811         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4812         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4813         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4814         { "ws_1",               switchws,       {.id = 0} },
4815         { "ws_2",               switchws,       {.id = 1} },
4816         { "ws_3",               switchws,       {.id = 2} },
4817         { "ws_4",               switchws,       {.id = 3} },
4818         { "ws_5",               switchws,       {.id = 4} },
4819         { "ws_6",               switchws,       {.id = 5} },
4820         { "ws_7",               switchws,       {.id = 6} },
4821         { "ws_8",               switchws,       {.id = 7} },
4822         { "ws_9",               switchws,       {.id = 8} },
4823         { "ws_10",              switchws,       {.id = 9} },
4824         { "ws_11",              switchws,       {.id = 10} },
4825         { "ws_12",              switchws,       {.id = 11} },
4826         { "ws_13",              switchws,       {.id = 12} },
4827         { "ws_14",              switchws,       {.id = 13} },
4828         { "ws_15",              switchws,       {.id = 14} },
4829         { "ws_16",              switchws,       {.id = 15} },
4830         { "ws_17",              switchws,       {.id = 16} },
4831         { "ws_18",              switchws,       {.id = 17} },
4832         { "ws_19",              switchws,       {.id = 18} },
4833         { "ws_20",              switchws,       {.id = 19} },
4834         { "ws_21",              switchws,       {.id = 20} },
4835         { "ws_22",              switchws,       {.id = 21} },
4836         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4837         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4838         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4839         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4840         { "ws_prior",           priorws,        {0} },
4841         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4842         { "invalid key func",   NULL,           {0} },
4843 };
4844 struct key {
4845         RB_ENTRY(key)           entry;
4846         unsigned int            mod;
4847         KeySym                  keysym;
4848         enum keyfuncid          funcid;
4849         char                    *spawn_name;
4850 };
4851 RB_HEAD(key_tree, key);
4852
4853 int
4854 key_cmp(struct key *kp1, struct key *kp2)
4855 {
4856         if (kp1->keysym < kp2->keysym)
4857                 return (-1);
4858         if (kp1->keysym > kp2->keysym)
4859                 return (1);
4860
4861         if (kp1->mod < kp2->mod)
4862                 return (-1);
4863         if (kp1->mod > kp2->mod)
4864                 return (1);
4865
4866         return (0);
4867 }
4868
4869 RB_GENERATE(key_tree, key, entry, key_cmp);
4870 struct key_tree                 keys;
4871
4872 /* mouse */
4873 enum { client_click, root_click };
4874 struct button {
4875         unsigned int            action;
4876         unsigned int            mask;
4877         unsigned int            button;
4878         void                    (*func)(struct ws_win *, union arg *);
4879         union arg               args;
4880 } buttons[] = {
4881           /* action     key             mouse button    func    args */
4882         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4883         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4884         { client_click, MODKEY,         Button1,        move,   {0} },
4885 };
4886
4887 void
4888 update_modkey(unsigned int mod)
4889 {
4890         int                     i;
4891         struct key              *kp;
4892
4893         mod_key = mod;
4894         RB_FOREACH(kp, key_tree, &keys)
4895                 if (kp->mod & ShiftMask)
4896                         kp->mod = mod | ShiftMask;
4897                 else
4898                         kp->mod = mod;
4899
4900         for (i = 0; i < LENGTH(buttons); i++)
4901                 if (buttons[i].mask & ShiftMask)
4902                         buttons[i].mask = mod | ShiftMask;
4903                 else
4904                         buttons[i].mask = mod;
4905 }
4906
4907 /* spawn */
4908 struct spawn_prog {
4909         TAILQ_ENTRY(spawn_prog) entry;
4910         char                    *name;
4911         int                     argc;
4912         char                    **argv;
4913 };
4914 TAILQ_HEAD(spawn_list, spawn_prog);
4915 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4916
4917 int
4918 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4919     char ***ret_args)
4920 {
4921         struct spawn_prog       *prog = NULL;
4922         int                     i;
4923         char                    *ap, **real_args;
4924
4925         /* suppress unused warning since var is needed */
4926         (void)args;
4927
4928         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4929
4930         /* find program */
4931         TAILQ_FOREACH(prog, &spawns, entry) {
4932                 if (!strcasecmp(spawn_name, prog->name))
4933                         break;
4934         }
4935         if (prog == NULL) {
4936                 warnx("spawn_custom: program %s not found", spawn_name);
4937                 return (-1);
4938         }
4939
4940         /* make room for expanded args */
4941         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4942                 err(1, "spawn_custom: calloc real_args");
4943
4944         /* expand spawn_args into real_args */
4945         for (i = 0; i < prog->argc; i++) {
4946                 ap = prog->argv[i];
4947                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4948                 if (!strcasecmp(ap, "$bar_border")) {
4949                         if ((real_args[i] =
4950                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4951                             == NULL)
4952                                 err(1,  "spawn_custom border color");
4953                 } else if (!strcasecmp(ap, "$bar_color")) {
4954                         if ((real_args[i] =
4955                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4956                             == NULL)
4957                                 err(1, "spawn_custom bar color");
4958                 } else if (!strcasecmp(ap, "$bar_font")) {
4959                         if ((real_args[i] = strdup(bar_fonts))
4960                             == NULL)
4961                                 err(1, "spawn_custom bar fonts");
4962                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4963                         if ((real_args[i] =
4964                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4965                             == NULL)
4966                                 err(1, "spawn_custom color font");
4967                 } else if (!strcasecmp(ap, "$color_focus")) {
4968                         if ((real_args[i] =
4969                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4970                             == NULL)
4971                                 err(1, "spawn_custom color focus");
4972                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4973                         if ((real_args[i] =
4974                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4975                             == NULL)
4976                                 err(1, "spawn_custom color unfocus");
4977                 } else {
4978                         /* no match --> copy as is */
4979                         if ((real_args[i] = strdup(ap)) == NULL)
4980                                 err(1, "spawn_custom strdup(ap)");
4981                 }
4982                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4983                     real_args[i]);
4984         }
4985
4986 #ifdef SWM_DEBUG
4987         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4988         for (i = 0; i < prog->argc; i++)
4989                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4990         DNPRINTF(SWM_D_SPAWN, "\n");
4991 #endif
4992         *ret_args = real_args;
4993         return (prog->argc);
4994 }
4995
4996 void
4997 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4998 {
4999         union arg               a;
5000         char                    **real_args;
5001         int                     spawn_argc, i;
5002
5003         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5004                 return;
5005         a.argv = real_args;
5006         if (fork() == 0)
5007                 spawn(r->ws->idx, &a, 1);
5008
5009         for (i = 0; i < spawn_argc; i++)
5010                 free(real_args[i]);
5011         free(real_args);
5012 }
5013
5014 void
5015 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
5016 {
5017         union arg               a;
5018         char                    **real_args;
5019         int                     i, spawn_argc;
5020
5021         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5022                 return;
5023         a.argv = real_args;
5024
5025         if (pipe(select_list_pipe) == -1)
5026                 err(1, "pipe error");
5027         if (pipe(select_resp_pipe) == -1)
5028                 err(1, "pipe error");
5029
5030         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5031                 err(1, "could not disable SIGPIPE");
5032         switch (*pid = fork()) {
5033         case -1:
5034                 err(1, "cannot fork");
5035                 break;
5036         case 0: /* child */
5037                 if (dup2(select_list_pipe[0], 0) == -1)
5038                         err(1, "dup2");
5039                 if (dup2(select_resp_pipe[1], 1) == -1)
5040                         err(1, "dup2");
5041                 close(select_list_pipe[1]);
5042                 close(select_resp_pipe[0]);
5043                 spawn(r->ws->idx, &a, 0);
5044                 break;
5045         default: /* parent */
5046                 close(select_list_pipe[0]);
5047                 close(select_resp_pipe[1]);
5048                 break;
5049         }
5050
5051         for (i = 0; i < spawn_argc; i++)
5052                 free(real_args[i]);
5053         free(real_args);
5054 }
5055
5056 void
5057 spawn_insert(char *name, char *args)
5058 {
5059         char                    *arg, *cp, *ptr;
5060         struct spawn_prog       *sp;
5061
5062         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5063
5064         if ((sp = calloc(1, sizeof *sp)) == NULL)
5065                 err(1, "spawn_insert: calloc");
5066         if ((sp->name = strdup(name)) == NULL)
5067                 err(1, "spawn_insert: strdup");
5068
5069         /* convert the arguments to an argument list */
5070         if ((ptr = cp = strdup(args)) == NULL)
5071                 err(1, "spawn_insert: strdup");
5072         while ((arg = strsep(&ptr, " \t")) != NULL) {
5073                 /* empty field; skip it */
5074                 if (*arg == '\0')
5075                         continue;
5076
5077                 sp->argc++;
5078                 if ((sp->argv = realloc(sp->argv, sp->argc *
5079                     sizeof *sp->argv)) == NULL)
5080                         err(1, "spawn_insert: realloc");
5081                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5082                         err(1, "spawn_insert: strdup");
5083         }
5084         free(cp);
5085
5086         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5087         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5088 }
5089
5090 void
5091 spawn_remove(struct spawn_prog *sp)
5092 {
5093         int                     i;
5094
5095         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5096
5097         TAILQ_REMOVE(&spawns, sp, entry);
5098         for (i = 0; i < sp->argc; i++)
5099                 free(sp->argv[i]);
5100         free(sp->argv);
5101         free(sp->name);
5102         free(sp);
5103
5104         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5105 }
5106
5107 void
5108 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5109 {
5110         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5111
5112         spawn_remove(sp);
5113         spawn_insert(name, args);
5114
5115         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5116 }
5117
5118 void
5119 setspawn(char *name, char *args)
5120 {
5121         struct spawn_prog       *sp;
5122
5123         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5124
5125         if (name == NULL)
5126                 return;
5127
5128         TAILQ_FOREACH(sp, &spawns, entry) {
5129                 if (!strcmp(sp->name, name)) {
5130                         if (*args == '\0')
5131                                 spawn_remove(sp);
5132                         else
5133                                 spawn_replace(sp, name, args);
5134                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5135                         return;
5136                 }
5137         }
5138         if (*args == '\0') {
5139                 warnx("error: setspawn: cannot find program: %s", name);
5140                 return;
5141         }
5142
5143         spawn_insert(name, args);
5144         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5145 }
5146
5147 int
5148 setconfspawn(char *selector, char *value, int flags)
5149 {
5150         /* suppress unused warning since var is needed */
5151         (void)flags;
5152
5153         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5154
5155         setspawn(selector, value);
5156
5157         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5158         return (0);
5159 }
5160
5161 void
5162 setup_spawn(void)
5163 {
5164         setconfspawn("term",            "xterm",                0);
5165         setconfspawn("spawn_term",      "xterm",                0);
5166         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5167         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5168         setconfspawn("lock",            "xlock",                0);
5169         setconfspawn("initscr",         "initscreen.sh",        0);
5170         setconfspawn("menu",            "dmenu_run"
5171                                         " -fn $bar_font"
5172                                         " -nb $bar_color"
5173                                         " -nf $bar_font_color"
5174                                         " -sb $bar_border"
5175                                         " -sf $bar_color",      0);
5176         setconfspawn("search",          "dmenu"
5177                                         " -i"
5178                                         " -fn $bar_font"
5179                                         " -nb $bar_color"
5180                                         " -nf $bar_font_color"
5181                                         " -sb $bar_border"
5182                                         " -sf $bar_color",      0);
5183         setconfspawn("name_workspace",  "dmenu"
5184                                         " -p Workspace"
5185                                         " -fn $bar_font"
5186                                         " -nb $bar_color"
5187                                         " -nf $bar_font_color"
5188                                         " -sb $bar_border"
5189                                         " -sf $bar_color",      0);
5190 }
5191
5192 /* key bindings */
5193 #define SWM_MODNAME_SIZE        32
5194 #define SWM_KEY_WS              "\n+ \t"
5195 int
5196 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5197 {
5198         char                    *cp, *name;
5199         KeySym                  uks;
5200         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5201         if (mod == NULL || ks == NULL) {
5202                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5203                 return (1);
5204         }
5205         if (keystr == NULL || strlen(keystr) == 0) {
5206                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5207                 return (1);
5208         }
5209         cp = keystr;
5210         *ks = XCB_NO_SYMBOL;
5211         *mod = 0;
5212         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5213                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5214                 if (cp)
5215                         cp += (long)strspn(cp, SWM_KEY_WS);
5216                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5217                         *mod |= currmod;
5218                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5219                         *mod |= Mod1Mask;
5220                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5221                         *mod += Mod2Mask;
5222                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5223                         *mod |= Mod3Mask;
5224                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5225                         *mod |= Mod4Mask;
5226                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5227                         *mod |= ShiftMask;
5228                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5229                         *mod |= ControlMask;
5230                 else {
5231                         *ks = XStringToKeysym(name);
5232                         XConvertCase(*ks, ks, &uks);
5233                         if (ks == XCB_NO_SYMBOL) {
5234                                 DNPRINTF(SWM_D_KEY,
5235                                     "parsekeys: invalid key %s\n",
5236                                     name);
5237                                 return (1);
5238                         }
5239                 }
5240         }
5241         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5242         return (0);
5243 }
5244
5245 char *
5246 strdupsafe(char *str)
5247 {
5248         if (str == NULL)
5249                 return (NULL);
5250         else
5251                 return (strdup(str));
5252 }
5253
5254 void
5255 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5256 {
5257         struct key              *kp;
5258
5259         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5260             keyfuncs[kfid].name, spawn_name);
5261
5262         if ((kp = malloc(sizeof *kp)) == NULL)
5263                 err(1, "key_insert: malloc");
5264
5265         kp->mod = mod;
5266         kp->keysym = ks;
5267         kp->funcid = kfid;
5268         kp->spawn_name = strdupsafe(spawn_name);
5269         RB_INSERT(key_tree, &keys, kp);
5270
5271         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5272 }
5273
5274 struct key *
5275 key_lookup(unsigned int mod, KeySym ks)
5276 {
5277         struct key              kp;
5278
5279         kp.keysym = ks;
5280         kp.mod = mod;
5281
5282         return (RB_FIND(key_tree, &keys, &kp));
5283 }
5284
5285 void
5286 key_remove(struct key *kp)
5287 {
5288         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5289
5290         RB_REMOVE(key_tree, &keys, kp);
5291         free(kp->spawn_name);
5292         free(kp);
5293
5294         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5295 }
5296
5297 void
5298 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5299     char *spawn_name)
5300 {
5301         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5302             spawn_name);
5303
5304         key_remove(kp);
5305         key_insert(mod, ks, kfid, spawn_name);
5306
5307         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5308 }
5309
5310 void
5311 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5312     char *spawn_name)
5313 {
5314         struct key              *kp;
5315
5316         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5317             keyfuncs[kfid].name, spawn_name);
5318
5319         if ((kp = key_lookup(mod, ks)) != NULL) {
5320                 if (kfid == KF_INVALID)
5321                         key_remove(kp);
5322                 else
5323                         key_replace(kp, mod, ks, kfid, spawn_name);
5324                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5325                 return;
5326         }
5327         if (kfid == KF_INVALID) {
5328                 warnx("error: setkeybinding: cannot find mod/key combination");
5329                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5330                 return;
5331         }
5332
5333         key_insert(mod, ks, kfid, spawn_name);
5334         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5335 }
5336
5337 int
5338 setconfbinding(char *selector, char *value, int flags)
5339 {
5340         enum keyfuncid          kfid;
5341         unsigned int            mod;
5342         KeySym                  ks;
5343         struct spawn_prog       *sp;
5344
5345         /* suppress unused warning since var is needed */
5346         (void)flags;
5347
5348         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5349         if (selector == NULL) {
5350                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5351                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5352                         kfid = KF_INVALID;
5353                         setkeybinding(mod, ks, kfid, NULL);
5354                         return (0);
5355                 } else
5356                         return (1);
5357         }
5358         /* search by key function name */
5359         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5360                 if (strncasecmp(selector, keyfuncs[kfid].name,
5361                     SWM_FUNCNAME_LEN) == 0) {
5362                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5363                             selector);
5364                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5365                                 setkeybinding(mod, ks, kfid, NULL);
5366                                 return (0);
5367                         } else
5368                                 return (1);
5369                 }
5370         }
5371         /* search by custom spawn name */
5372         TAILQ_FOREACH(sp, &spawns, entry) {
5373                 if (strcasecmp(selector, sp->name) == 0) {
5374                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5375                             selector);
5376                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5377                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5378                                     sp->name);
5379                                 return (0);
5380                         } else
5381                                 return (1);
5382                 }
5383         }
5384         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5385         return (1);
5386 }
5387
5388 void
5389 setup_keys(void)
5390 {
5391         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5392         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5393         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5394         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5395         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5396         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5397         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5398         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5399         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5400         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5401         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5402         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5403         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5404         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5405         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5406         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5407         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5408         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5409         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5410         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5411         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5412         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5413         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5414         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5415         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5416         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5417         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5418         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5419         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5420         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5421         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5422         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5423         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5424         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5425         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5426         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5427         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5428         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5429         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5430         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5431         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5432         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5433         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5434         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5435         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5436         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5437         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5438         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5439         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5440         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5441         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5442         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5443         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5444         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5445         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5446         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5447         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5448         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5449         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5450         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5451         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5452         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5453         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5454         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5455         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5456         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5457         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5458         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5459         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5460         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5461         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5462         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5463         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5464         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5465         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5466         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5467         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5468         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5469         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5470         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5471         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5472         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5473         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5474         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5475         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5476         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5477         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5478         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5479         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5480         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5481         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5482         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5483         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5484         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5485         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5486         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5487 #ifdef SWM_DEBUG
5488         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5489 #endif
5490 }
5491
5492 void
5493 clear_keys(void)
5494 {
5495         struct key              *kp;
5496
5497         while (RB_EMPTY(&keys) == 0) {
5498                 kp = RB_ROOT(&keys);
5499                 key_remove(kp);
5500         }
5501 }
5502
5503 int
5504 setkeymapping(char *selector, char *value, int flags)
5505 {
5506         char                    keymapping_file[PATH_MAX];
5507
5508         /* suppress unused warnings since vars are needed */
5509         (void)selector;
5510         (void)flags;
5511
5512         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5513         if (value[0] == '~')
5514                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5515                     pwd->pw_dir, &value[1]);
5516         else
5517                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5518         clear_keys();
5519         /* load new key bindings; if it fails, revert to default bindings */
5520         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5521                 clear_keys();
5522                 setup_keys();
5523         }
5524         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5525         return (0);
5526 }
5527
5528 void
5529 updatenumlockmask(void)
5530 {
5531         unsigned int                            i, j;
5532         xcb_get_modifier_mapping_reply_t        *modmap_r;
5533         xcb_keycode_t                           *modmap, kc;
5534
5535         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5536         numlockmask = 0;
5537
5538         modmap_r = xcb_get_modifier_mapping_reply(conn,
5539             xcb_get_modifier_mapping(conn),
5540             NULL);
5541         if (modmap_r) {
5542                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5543                 for (i = 0; i < 8; i++) {
5544                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5545                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5546                                     + j];
5547
5548                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5549                                     XK_Num_Lock)))
5550                                         numlockmask = (1 << i);
5551                         }
5552                 }
5553                 free(modmap_r);
5554         }
5555 }
5556
5557 void
5558 grabkeys(void)
5559 {
5560         int                     num_screens, k;
5561         unsigned int            j;
5562         xcb_keycode_t           *code;
5563         unsigned int            modifiers[] =
5564             { 0, LockMask, numlockmask, numlockmask | LockMask };
5565         struct key              *kp;
5566
5567         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5568         updatenumlockmask();
5569
5570         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5571         for (k = 0; k < num_screens; k++) {
5572                 if (TAILQ_EMPTY(&screens[k].rl))
5573                         continue;
5574                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5575                         XCB_MOD_MASK_ANY);
5576                 RB_FOREACH(kp, key_tree, &keys) {
5577                         if ((code = xcb_key_symbols_get_keycode(syms,
5578                                         kp->keysym)))
5579                                 for (j = 0; j < LENGTH(modifiers); j++)
5580                                         xcb_grab_key(conn, 1,
5581                                             screens[k].root,
5582                                             kp->mod | modifiers[j],
5583                                             *code, XCB_GRAB_MODE_ASYNC,
5584                                             XCB_GRAB_MODE_ASYNC);
5585                 }
5586         }
5587 }
5588
5589 void
5590 grabbuttons(struct ws_win *win, int focused)
5591 {
5592         unsigned int            i, j;
5593         unsigned int            modifiers[] =
5594             { 0, LockMask, numlockmask, numlockmask|LockMask };
5595
5596         updatenumlockmask();
5597         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5598             XCB_BUTTON_MASK_ANY);
5599         if (focused) {
5600                 for (i = 0; i < LENGTH(buttons); i++)
5601                         if (buttons[i].action == client_click)
5602                                 for (j = 0; j < LENGTH(modifiers); j++)
5603                                         xcb_grab_button(conn, 0, win->id,
5604                                             BUTTONMASK,
5605                                             XCB_GRAB_MODE_ASYNC,
5606                                             XCB_GRAB_MODE_SYNC,
5607                                             XCB_WINDOW_NONE,
5608                                             XCB_CURSOR_NONE,
5609                                             buttons[i].button,
5610                                             buttons[i].mask);
5611         } else
5612                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
5613                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5614                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5615 }
5616
5617 const char *quirkname[] = {
5618         "NONE",         /* config string for "no value" */
5619         "FLOAT",
5620         "TRANSSZ",
5621         "ANYWHERE",
5622         "XTERM_FONTADJ",
5623         "FULLSCREEN",
5624         "FOCUSPREV",
5625 };
5626
5627 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5628 #define SWM_Q_WS                "\n|+ \t"
5629 int
5630 parsequirks(char *qstr, unsigned long *quirk)
5631 {
5632         char                    *cp, *name;
5633         int                     i;
5634
5635         if (quirk == NULL)
5636                 return (1);
5637
5638         cp = qstr;
5639         *quirk = 0;
5640         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5641                 if (cp)
5642                         cp += (long)strspn(cp, SWM_Q_WS);
5643                 for (i = 0; i < LENGTH(quirkname); i++) {
5644                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5645                                 DNPRINTF(SWM_D_QUIRK,
5646                                     "parsequirks: %s\n", name);
5647                                 if (i == 0) {
5648                                         *quirk = 0;
5649                                         return (0);
5650                                 }
5651                                 *quirk |= 1 << (i-1);
5652                                 break;
5653                         }
5654                 }
5655                 if (i >= LENGTH(quirkname)) {
5656                         DNPRINTF(SWM_D_QUIRK,
5657                             "parsequirks: invalid quirk [%s]\n", name);
5658                         return (1);
5659                 }
5660         }
5661         return (0);
5662 }
5663
5664 void
5665 quirk_insert(const char *class, const char *name, unsigned long quirk)
5666 {
5667         struct quirk            *qp;
5668
5669         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5670             quirk);
5671
5672         if ((qp = malloc(sizeof *qp)) == NULL)
5673                 err(1, "quirk_insert: malloc");
5674         if ((qp->class = strdup(class)) == NULL)
5675                 err(1, "quirk_insert: strdup");
5676         if ((qp->name = strdup(name)) == NULL)
5677                 err(1, "quirk_insert: strdup");
5678
5679         qp->quirk = quirk;
5680         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5681
5682         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5683 }
5684
5685 void
5686 quirk_remove(struct quirk *qp)
5687 {
5688         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5689             qp->name, qp->quirk);
5690
5691         TAILQ_REMOVE(&quirks, qp, entry);
5692         free(qp->class);
5693         free(qp->name);
5694         free(qp);
5695
5696         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5697 }
5698
5699 void
5700 quirk_replace(struct quirk *qp, const char *class, const char *name,
5701     unsigned long quirk)
5702 {
5703         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5704             qp->name, qp->quirk);
5705
5706         quirk_remove(qp);
5707         quirk_insert(class, name, quirk);
5708
5709         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5710 }
5711
5712 void
5713 setquirk(const char *class, const char *name, unsigned long quirk)
5714 {
5715         struct quirk            *qp;
5716
5717         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5718            quirk);
5719
5720         TAILQ_FOREACH(qp, &quirks, entry) {
5721                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5722                         if (!quirk)
5723                                 quirk_remove(qp);
5724                         else
5725                                 quirk_replace(qp, class, name, quirk);
5726                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5727                         return;
5728                 }
5729         }
5730         if (!quirk) {
5731                 warnx("error: setquirk: cannot find class/name combination");
5732                 return;
5733         }
5734
5735         quirk_insert(class, name, quirk);
5736         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5737 }
5738
5739 int
5740 setconfquirk(char *selector, char *value, int flags)
5741 {
5742         char                    *cp, *class, *name;
5743         int                     retval;
5744         unsigned long           quirks;
5745
5746         /* suppress unused warning since var is needed */
5747         (void)flags;
5748
5749         if (selector == NULL)
5750                 return (0);
5751         if ((cp = strchr(selector, ':')) == NULL)
5752                 return (0);
5753         *cp = '\0';
5754         class = selector;
5755         name = cp + 1;
5756         if ((retval = parsequirks(value, &quirks)) == 0)
5757                 setquirk(class, name, quirks);
5758         return (retval);
5759 }
5760
5761 void
5762 setup_quirks(void)
5763 {
5764         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5765         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5766         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5767         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5768         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5769         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5770         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5771         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5772         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5773         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5774         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5775         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5776         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5777 }
5778
5779 /* conf file stuff */
5780 #define SWM_CONF_FILE           "spectrwm.conf"
5781 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5782
5783 enum {
5784         SWM_S_BAR_ACTION,
5785         SWM_S_BAR_AT_BOTTOM,
5786         SWM_S_BAR_BORDER_WIDTH,
5787         SWM_S_BAR_DELAY,
5788         SWM_S_BAR_ENABLED,
5789         SWM_S_BAR_FONT,
5790         SWM_S_BAR_FORMAT,
5791         SWM_S_BAR_JUSTIFY,
5792         SWM_S_BORDER_WIDTH,
5793         SWM_S_CLOCK_ENABLED,
5794         SWM_S_CLOCK_FORMAT,
5795         SWM_S_CYCLE_EMPTY,
5796         SWM_S_CYCLE_VISIBLE,
5797         SWM_S_DIALOG_RATIO,
5798         SWM_S_DISABLE_BORDER,
5799         SWM_S_FOCUS_CLOSE,
5800         SWM_S_FOCUS_CLOSE_WRAP,
5801         SWM_S_FOCUS_DEFAULT,
5802         SWM_S_FOCUS_MODE,
5803         SWM_S_SPAWN_ORDER,
5804         SWM_S_SPAWN_TERM,
5805         SWM_S_SS_APP,
5806         SWM_S_SS_ENABLED,
5807         SWM_S_STACK_ENABLED,
5808         SWM_S_TERM_WIDTH,
5809         SWM_S_TITLE_CLASS_ENABLED,
5810         SWM_S_TITLE_NAME_ENABLED,
5811         SWM_S_URGENT_ENABLED,
5812         SWM_S_VERBOSE_LAYOUT,
5813         SWM_S_WINDOW_NAME_ENABLED,
5814         SWM_S_WORKSPACE_LIMIT
5815 };
5816
5817 int
5818 setconfvalue(char *selector, char *value, int flags)
5819 {
5820         int     i;
5821         char    *b;
5822
5823         /* suppress unused warning since var is needed */
5824         (void)selector;
5825
5826         switch (flags) {
5827         case SWM_S_BAR_ACTION:
5828                 free(bar_argv[0]);
5829                 if ((bar_argv[0] = strdup(value)) == NULL)
5830                         err(1, "setconfvalue: bar_action");
5831                 break;
5832         case SWM_S_BAR_AT_BOTTOM:
5833                 bar_at_bottom = atoi(value);
5834                 break;
5835         case SWM_S_BAR_BORDER_WIDTH:
5836                 bar_border_width = atoi(value);
5837                 if (bar_border_width < 0)
5838                         bar_border_width = 0;
5839                 break;
5840         case SWM_S_BAR_DELAY:
5841                 bar_delay = atoi(value);
5842                 break;
5843         case SWM_S_BAR_ENABLED:
5844                 bar_enabled = atoi(value);
5845                 break;
5846         case SWM_S_BAR_FONT:
5847                 b = bar_fonts;
5848                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5849                         err(1, "setconfvalue: asprintf: failed to allocate "
5850                                 "memory for bar_fonts.");
5851                 free(b);
5852                 break;
5853         case SWM_S_BAR_FORMAT:
5854                 free(bar_format);
5855                 if ((bar_format = strdup(value)) == NULL)
5856                         err(1, "setconfvalue: bar_format");
5857                 break;
5858         case SWM_S_BAR_JUSTIFY:
5859                 if (!strcmp(value, "left"))
5860                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5861                 else if (!strcmp(value, "center"))
5862                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5863                 else if (!strcmp(value, "right"))
5864                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5865                 else
5866                         errx(1, "invalid bar_justify");
5867                 break;
5868         case SWM_S_BORDER_WIDTH:
5869                 border_width = atoi(value);
5870                 if (border_width < 0)
5871                         border_width = 0;
5872                 break;
5873         case SWM_S_CLOCK_ENABLED:
5874                 clock_enabled = atoi(value);
5875                 break;
5876         case SWM_S_CLOCK_FORMAT:
5877 #ifndef SWM_DENY_CLOCK_FORMAT
5878                 free(clock_format);
5879                 if ((clock_format = strdup(value)) == NULL)
5880                         err(1, "setconfvalue: clock_format");
5881 #endif
5882                 break;
5883         case SWM_S_CYCLE_EMPTY:
5884                 cycle_empty = atoi(value);
5885                 break;
5886         case SWM_S_CYCLE_VISIBLE:
5887                 cycle_visible = atoi(value);
5888                 break;
5889         case SWM_S_DIALOG_RATIO:
5890                 dialog_ratio = atof(value);
5891                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5892                         dialog_ratio = .6;
5893                 break;
5894         case SWM_S_DISABLE_BORDER:
5895                 disable_border = atoi(value);
5896                 break;
5897         case SWM_S_FOCUS_CLOSE:
5898                 if (!strcmp(value, "first"))
5899                         focus_close = SWM_STACK_BOTTOM;
5900                 else if (!strcmp(value, "last"))
5901                         focus_close = SWM_STACK_TOP;
5902                 else if (!strcmp(value, "next"))
5903                         focus_close = SWM_STACK_ABOVE;
5904                 else if (!strcmp(value, "previous"))
5905                         focus_close = SWM_STACK_BELOW;
5906                 else
5907                         errx(1, "focus_close");
5908                 break;
5909         case SWM_S_FOCUS_CLOSE_WRAP:
5910                 focus_close_wrap = atoi(value);
5911                 break;
5912         case SWM_S_FOCUS_DEFAULT:
5913                 if (!strcmp(value, "last"))
5914                         focus_default = SWM_STACK_TOP;
5915                 else if (!strcmp(value, "first"))
5916                         focus_default = SWM_STACK_BOTTOM;
5917                 else
5918                         errx(1, "focus_default");
5919                 break;
5920         case SWM_S_FOCUS_MODE:
5921                 if (!strcmp(value, "default"))
5922                         focus_mode = SWM_FOCUS_DEFAULT;
5923                 else if (!strcmp(value, "follow_cursor"))
5924                         focus_mode = SWM_FOCUS_FOLLOW;
5925                 else if (!strcmp(value, "synergy"))
5926                         focus_mode = SWM_FOCUS_SYNERGY;
5927                 else
5928                         errx(1, "focus_mode");
5929                 break;
5930         case SWM_S_SPAWN_ORDER:
5931                 if (!strcmp(value, "first"))
5932                         spawn_position = SWM_STACK_BOTTOM;
5933                 else if (!strcmp(value, "last"))
5934                         spawn_position = SWM_STACK_TOP;
5935                 else if (!strcmp(value, "next"))
5936                         spawn_position = SWM_STACK_ABOVE;
5937                 else if (!strcmp(value, "previous"))
5938                         spawn_position = SWM_STACK_BELOW;
5939                 else
5940                         errx(1, "spawn_position");
5941                 break;
5942         case SWM_S_SPAWN_TERM:
5943                 setconfspawn("term", value, 0);
5944                 setconfspawn("spawn_term", value, 0);
5945                 break;
5946         case SWM_S_SS_APP:
5947                 break;
5948         case SWM_S_SS_ENABLED:
5949                 ss_enabled = atoi(value);
5950                 break;
5951         case SWM_S_STACK_ENABLED:
5952                 stack_enabled = atoi(value);
5953                 break;
5954         case SWM_S_TERM_WIDTH:
5955                 term_width = atoi(value);
5956                 if (term_width < 0)
5957                         term_width = 0;
5958                 break;
5959         case SWM_S_TITLE_CLASS_ENABLED:
5960                 title_class_enabled = atoi(value);
5961                 break;
5962         case SWM_S_TITLE_NAME_ENABLED:
5963                 title_name_enabled = atoi(value);
5964                 break;
5965         case SWM_S_URGENT_ENABLED:
5966                 urgent_enabled = atoi(value);
5967                 break;
5968         case SWM_S_VERBOSE_LAYOUT:
5969                 verbose_layout = atoi(value);
5970                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5971                         if (verbose_layout)
5972                                 layouts[i].l_string = fancy_stacker;
5973                         else
5974                                 layouts[i].l_string = plain_stacker;
5975                 }
5976                 break;
5977         case SWM_S_WINDOW_NAME_ENABLED:
5978                 window_name_enabled = atoi(value);
5979                 break;
5980         case SWM_S_WORKSPACE_LIMIT:
5981                 workspace_limit = atoi(value);
5982                 if (workspace_limit > SWM_WS_MAX)
5983                         workspace_limit = SWM_WS_MAX;
5984                 else if (workspace_limit < 1)
5985                         workspace_limit = 1;
5986                 break;
5987         default:
5988                 return (1);
5989         }
5990         return (0);
5991 }
5992
5993 int
5994 setconfmodkey(char *selector, char *value, int flags)
5995 {
5996         /* suppress unused warnings since vars are needed */
5997         (void)selector;
5998         (void)flags;
5999
6000         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6001                 update_modkey(Mod1Mask);
6002         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6003                 update_modkey(Mod2Mask);
6004         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6005                 update_modkey(Mod3Mask);
6006         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6007                 update_modkey(Mod4Mask);
6008         else
6009                 return (1);
6010         return (0);
6011 }
6012
6013 int
6014 setconfcolor(char *selector, char *value, int flags)
6015 {
6016         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6017         return (0);
6018 }
6019
6020 int
6021 setconfregion(char *selector, char *value, int flags)
6022 {
6023         /* suppress unused warnings since vars are needed */
6024         (void)selector;
6025         (void)flags;
6026
6027         custom_region(value);
6028         return (0);
6029 }
6030
6031 int
6032 setautorun(char *selector, char *value, int flags)
6033 {
6034         int                     ws_id;
6035         char                    s[1024];
6036         char                    *ap, *sp = s;
6037         union arg               a;
6038         int                     argc = 0;
6039         pid_t                   pid;
6040         struct pid_e            *p;
6041
6042         /* suppress unused warnings since vars are needed */
6043         (void)selector;
6044         (void)flags;
6045
6046         if (getenv("SWM_STARTED"))
6047                 return (0);
6048
6049         bzero(s, sizeof s);
6050         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6051                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6052         ws_id--;
6053         if (ws_id < 0 || ws_id >= workspace_limit)
6054                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6055
6056         /*
6057          * This is a little intricate
6058          *
6059          * If the pid already exists we simply reuse it because it means it was
6060          * used before AND not claimed by manage_window.  We get away with
6061          * altering it in the parent after INSERT because this can not be a race
6062          */
6063         a.argv = NULL;
6064         while ((ap = strsep(&sp, " \t")) != NULL) {
6065                 if (*ap == '\0')
6066                         continue;
6067                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6068                 argc++;
6069                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6070                         err(1, "setautorun: realloc");
6071                 a.argv[argc - 1] = ap;
6072         }
6073
6074         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6075                 err(1, "setautorun: realloc");
6076         a.argv[argc] = NULL;
6077
6078         if ((pid = fork()) == 0) {
6079                 spawn(ws_id, &a, 1);
6080                 /* NOTREACHED */
6081                 _exit(1);
6082         }
6083         free(a.argv);
6084
6085         /* parent */
6086         p = find_pid(pid);
6087         if (p == NULL) {
6088                 p = calloc(1, sizeof *p);
6089                 if (p == NULL)
6090                         return (1);
6091                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6092         }
6093
6094         p->pid = pid;
6095         p->ws = ws_id;
6096
6097         return (0);
6098 }
6099
6100 int
6101 setlayout(char *selector, char *value, int flags)
6102 {
6103         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6104         int                     st = SWM_V_STACK, num_screens;
6105         char                    s[1024];
6106         struct workspace        *ws;
6107
6108         /* suppress unused warnings since vars are needed */
6109         (void)selector;
6110         (void)flags;
6111
6112         if (getenv("SWM_STARTED"))
6113                 return (0);
6114
6115         bzero(s, sizeof s);
6116         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6117             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6118                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6119                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6120                     "<type>'");
6121         ws_id--;
6122         if (ws_id < 0 || ws_id >= workspace_limit)
6123                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6124
6125         if (!strcasecmp(s, "vertical"))
6126                 st = SWM_V_STACK;
6127         else if (!strcasecmp(s, "vertical_flip")) {
6128                 st = SWM_V_STACK;
6129                 f = 1;
6130         } else if (!strcasecmp(s, "horizontal"))
6131                 st = SWM_H_STACK;
6132         else if (!strcasecmp(s, "horizontal_flip")) {
6133                 st = SWM_H_STACK;
6134                 f = 1;
6135         } else if (!strcasecmp(s, "fullscreen"))
6136                 st = SWM_MAX_STACK;
6137         else
6138                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6139                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6140                     "<type>'");
6141
6142         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6143         for (i = 0; i < num_screens; i++) {
6144                 ws = (struct workspace *)&screens[i].ws;
6145                 ws[ws_id].cur_layout = &layouts[st];
6146
6147                 ws[ws_id].always_raise = raise;
6148                 if (st == SWM_MAX_STACK)
6149                         continue;
6150
6151                 /* master grow */
6152                 for (x = 0; x < abs(mg); x++) {
6153                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6154                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6155                             SWM_ARG_ID_MASTERSHRINK);
6156                         stack();
6157                 }
6158                 /* master add */
6159                 for (x = 0; x < abs(ma); x++) {
6160                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6161                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6162                             SWM_ARG_ID_MASTERDEL);
6163                         stack();
6164                 }
6165                 /* stack inc */
6166                 for (x = 0; x < abs(si); x++) {
6167                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6168                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6169                             SWM_ARG_ID_STACKDEC);
6170                         stack();
6171                 }
6172                 /* Apply flip */
6173                 if (f) {
6174                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6175                             SWM_ARG_ID_FLIPLAYOUT);
6176                         stack();
6177                 }
6178         }
6179
6180         return (0);
6181 }
6182
6183 /* config options */
6184 struct config_option {
6185         char                    *optname;
6186         int                     (*func)(char*, char*, int);
6187         int                     funcflags;
6188 };
6189 struct config_option configopt[] = {
6190         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6191         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6192         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6193         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6194         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6195         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6196         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6197         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6198         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6199         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6200         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6201         { "keyboard_mapping",           setkeymapping,  0 },
6202         { "bind",                       setconfbinding, 0 },
6203         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6204         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6205         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6206         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6207         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6208         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6209         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6210         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6211         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6212         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6213         { "modkey",                     setconfmodkey,  0 },
6214         { "program",                    setconfspawn,   0 },
6215         { "quirk",                      setconfquirk,   0 },
6216         { "region",                     setconfregion,  0 },
6217         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6218         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6219         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6220         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6221         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6222         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6223         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6224         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6225         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6226         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6227         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6228         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6229         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6230         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6231         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6232         { "autorun",                    setautorun,     0 },
6233         { "layout",                     setlayout,      0 },
6234 };
6235
6236
6237 int
6238 conf_load(char *filename, int keymapping)
6239 {
6240         FILE                    *config;
6241         char                    *line, *cp, *optsub, *optval;
6242         size_t                  linelen, lineno = 0;
6243         int                     wordlen, i, optind;
6244         struct config_option    *opt;
6245
6246         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6247
6248         if (filename == NULL) {
6249                 warnx("conf_load: no filename");
6250                 return (1);
6251         }
6252         if ((config = fopen(filename, "r")) == NULL) {
6253                 warn("conf_load: fopen: %s", filename);
6254                 return (1);
6255         }
6256
6257         while (!feof(config)) {
6258                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6259                     == NULL) {
6260                         if (ferror(config))
6261                                 err(1, "%s", filename);
6262                         else
6263                                 continue;
6264                 }
6265                 cp = line;
6266                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6267                 if (cp[0] == '\0') {
6268                         /* empty line */
6269                         free(line);
6270                         continue;
6271                 }
6272                 /* get config option */
6273                 wordlen = strcspn(cp, "=[ \t\n");
6274                 if (wordlen == 0) {
6275                         warnx("%s: line %zd: no option found",
6276                             filename, lineno);
6277                         goto out;
6278                 }
6279                 optind = -1;
6280                 for (i = 0; i < LENGTH(configopt); i++) {
6281                         opt = &configopt[i];
6282                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6283                             (int)strlen(opt->optname) == wordlen) {
6284                                 optind = i;
6285                                 break;
6286                         }
6287                 }
6288                 if (optind == -1) {
6289                         warnx("%s: line %zd: unknown option %.*s",
6290                             filename, lineno, wordlen, cp);
6291                         goto out;
6292                 }
6293                 if (keymapping && strcmp(opt->optname, "bind")) {
6294                         warnx("%s: line %zd: invalid option %.*s",
6295                             filename, lineno, wordlen, cp);
6296                         goto out;
6297                 }
6298                 cp += wordlen;
6299                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6300                 /* get [selector] if any */
6301                 optsub = NULL;
6302                 if (*cp == '[') {
6303                         cp++;
6304                         wordlen = strcspn(cp, "]");
6305                         if (*cp != ']') {
6306                                 if (wordlen == 0) {
6307                                         warnx("%s: line %zd: syntax error",
6308                                             filename, lineno);
6309                                         goto out;
6310                                 }
6311
6312                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6313                                     -1) {
6314                                         warnx("%s: line %zd: unable to allocate"
6315                                             "memory for selector", filename,
6316                                             lineno);
6317                                         goto out;
6318                                 }
6319                         }
6320                         cp += wordlen;
6321                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6322                 }
6323                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6324                 /* get RHS value */
6325                 optval = strdup(cp);
6326                 /* call function to deal with it all */
6327                 if (configopt[optind].func(optsub, optval,
6328                     configopt[optind].funcflags) != 0)
6329                         errx(1, "%s: line %zd: invalid data for %s",
6330                             filename, lineno, configopt[optind].optname);
6331                 free(optval);
6332                 free(optsub);
6333                 free(line);
6334         }
6335
6336         fclose(config);
6337         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6338
6339         return (0);
6340
6341 out:
6342         free(line);
6343         fclose(config);
6344         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6345
6346         return (1);
6347 }
6348
6349 void
6350 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6351 {
6352         struct ws_win           *parent, *w;
6353         struct swm_region       *r;
6354         struct workspace        *ws;
6355         xcb_icccm_wm_hints_t    wmh;
6356
6357         parent = find_window(win->transient);
6358         if (parent)
6359                 parent->child_trans = win;
6360         else {
6361                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6362                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6363
6364                 r = root_to_region(win->wa->root);
6365                 ws = r->ws;
6366                 /* parent doen't exist in our window list */
6367                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6368                         if (xcb_icccm_get_wm_hints_reply(conn,
6369                             xcb_icccm_get_wm_hints(conn, w->id),
6370                             &wmh, NULL) != 1) {
6371                                 warnx("can't get hints for 0x%x", w->id);
6372                                 continue;
6373                         }
6374
6375                         if (win->hints.window_group != wmh.window_group)
6376                                 continue;
6377
6378                         w->child_trans = win;
6379                         win->transient = w->id;
6380                         *trans = w->id;
6381                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6382                             "transient to 0x%x\n", win->transient);
6383                         break;
6384                 }
6385         }
6386 }
6387
6388 pid_t
6389 window_get_pid(xcb_window_t win)
6390 {
6391         pid_t                           ret = 0;
6392         const char                      *errstr;
6393         xcb_atom_t                      apid;
6394         xcb_get_property_cookie_t       pc;
6395         xcb_get_property_reply_t        *pr;
6396
6397         apid = get_atom_from_string("_NET_WM_PID");
6398         if (apid == XCB_ATOM_NONE)
6399                 goto tryharder;
6400
6401         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6402         pr = xcb_get_property_reply(conn, pc, NULL);
6403         if (!pr)
6404                 goto tryharder;
6405         if (pr->type != XCB_ATOM_CARDINAL) {
6406                 free(pr);
6407                 goto tryharder;
6408         }
6409
6410         ret = *((pid_t *)xcb_get_property_value(pr));
6411         free(pr);
6412
6413         return (ret);
6414
6415 tryharder:
6416         apid = get_atom_from_string("_SWM_PID");
6417         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
6418             0, SWM_PROPLEN);
6419         pr = xcb_get_property_reply(conn, pc, NULL);
6420         if (!pr)
6421                 return (0);
6422         if (pr->type != XCB_ATOM_STRING) {
6423                 free(pr);
6424                 return (0);
6425         }
6426
6427         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6428         free(pr);
6429
6430         return (ret);
6431 }
6432
6433 int
6434 get_ws_idx(xcb_window_t id)
6435 {
6436         int                     ws_idx = -1;
6437         char                    *prop = NULL;
6438         size_t                  proplen;
6439         const char              *errstr;
6440         xcb_get_property_reply_t        *gpr;
6441
6442         gpr = xcb_get_property_reply(conn,
6443                 xcb_get_property(conn, 0, id, a_swm_ws,
6444                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
6445                 NULL);
6446         if (gpr) {
6447                 proplen = xcb_get_property_value_length(gpr);
6448                 if (proplen > 0) {
6449                         prop = malloc(proplen + 1);
6450                         if (prop) {
6451                                 memcpy(prop,
6452                                     xcb_get_property_value(gpr),
6453                                     proplen);
6454                                 prop[proplen] = '\0';
6455                         }
6456                 }
6457                 free(gpr);
6458         }
6459
6460         if (prop) {
6461                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
6462                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
6463                 if (errstr) {
6464                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
6465                             errstr, prop);
6466                 }
6467         }
6468
6469         return ws_idx;
6470 }
6471
6472 struct ws_win *
6473 manage_window(xcb_window_t id)
6474 {
6475         xcb_window_t            trans = XCB_WINDOW_NONE;
6476         struct workspace        *ws;
6477         struct ws_win           *win, *ww;
6478         int                     ws_idx, border_me = 0;
6479         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6480         struct swm_region       *r;
6481         struct pid_e            *p;
6482         struct quirk            *qp;
6483         uint32_t                event_mask, i;
6484         xcb_icccm_get_wm_protocols_reply_t      wpr;
6485
6486         if ((win = find_window(id)) != NULL)
6487                 return (win);   /* already being managed */
6488
6489         /* see if we are on the unmanaged list */
6490         if ((win = find_unmanaged_window(id)) != NULL) {
6491                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6492                     "window: 0x%x\n", win->id);
6493                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6494                 if (win->transient)
6495                         set_child_transient(win, &trans);
6496
6497                 if (trans && (ww = find_window(trans)))
6498                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6499                 else if ((ww = win->ws->focus) &&
6500                     spawn_position == SWM_STACK_ABOVE)
6501                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6502                             win, entry);
6503                 else if (ww && spawn_position == SWM_STACK_BELOW)
6504                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6505                 else switch (spawn_position) {
6506                 default:
6507                 case SWM_STACK_TOP:
6508                 case SWM_STACK_ABOVE:
6509                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6510                         break;
6511                 case SWM_STACK_BOTTOM:
6512                 case SWM_STACK_BELOW:
6513                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6514                 }
6515
6516                 ewmh_update_actions(win);
6517                 return (win);
6518         }
6519
6520         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6521                 err(1, "manage_window: calloc: failed to allocate memory for "
6522                     "new window");
6523
6524         win->id = id;
6525         win->bordered = 0;
6526
6527         /* see if we need to override the workspace */
6528         p = find_pid(window_get_pid(id));
6529
6530         /* Get all the window data in one shot */
6531         ws_idx = get_ws_idx(id);
6532
6533         win->wa = xcb_get_geometry_reply(conn,
6534             xcb_get_geometry(conn, id),
6535             NULL);
6536         xcb_icccm_get_wm_normal_hints_reply(conn,
6537             xcb_icccm_get_wm_normal_hints(conn, id),
6538             &win->sh, NULL);
6539         xcb_icccm_get_wm_hints_reply(conn,
6540             xcb_icccm_get_wm_hints(conn, id),
6541             &win->hints, NULL);
6542         xcb_icccm_get_wm_transient_for_reply(conn,
6543             xcb_icccm_get_wm_transient_for(conn, id),
6544             &trans, NULL);
6545         if (trans) {
6546                 win->transient = trans;
6547                 set_child_transient(win, &trans);
6548                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6549                     "transient: 0x%x\n", win->id, win->transient);
6550         }
6551
6552         /* get supported protocols */
6553         if (xcb_icccm_get_wm_protocols_reply(conn,
6554             xcb_icccm_get_wm_protocols(conn, id, a_prot),
6555             &wpr, NULL)) {
6556                 for (i = 0; i < wpr.atoms_len; i++) {
6557                         if (wpr.atoms[i] == a_takefocus)
6558                                 win->take_focus = 1;
6559                         if (wpr.atoms[i] == a_delete)
6560                                 win->can_delete = 1;
6561                 }
6562                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6563         }
6564
6565         win->iconic = get_iconic(win);
6566
6567         /*
6568          * Figure out where to put the window. If it was previously assigned to
6569          * a workspace (either by spawn() or manually moving), and isn't
6570          * transient, * put it in the same workspace
6571          */
6572         r = root_to_region(win->wa->root);
6573         if (p) {
6574                 ws = &r->s->ws[p->ws];
6575                 TAILQ_REMOVE(&pidlist, p, entry);
6576                 free(p);
6577                 p = NULL;
6578         } else if (ws_idx != -1 && win->transient == 0) {
6579                 ws = &r->s->ws[ws_idx];
6580         } else {
6581                 ws = r->ws;
6582                 /* this should launch transients in the same ws as parent */
6583                 if (id && trans)
6584                         if ((ww = find_window(trans)) != NULL)
6585                                 if (ws->r) {
6586                                         ws = ww->ws;
6587                                         if (ww->ws->r)
6588                                                 r = ww->ws->r;
6589                                         else
6590                                                 warnx("manage_window: fix this "
6591                                                     "bug mcbride");
6592                                         border_me = 1;
6593                                 }
6594         }
6595
6596         /* set up the window layout */
6597         win->id = id;
6598         win->ws = ws;
6599         win->s = r->s;  /* this never changes */
6600         if (trans && (ww = find_window(trans)))
6601                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6602         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6603                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6604                     entry);
6605         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6606                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6607         else switch (spawn_position) {
6608         default:
6609         case SWM_STACK_TOP:
6610         case SWM_STACK_ABOVE:
6611                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6612                 break;
6613         case SWM_STACK_BOTTOM:
6614         case SWM_STACK_BELOW:
6615                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6616         }
6617
6618         /* ignore window border if there is one. */
6619         WIDTH(win) = win->wa->width;
6620         HEIGHT(win) = win->wa->height;
6621         X(win) = win->wa->x + win->wa->border_width;
6622         Y(win) = win->wa->y + win->wa->border_width;
6623         win->bordered = 0;
6624         win->g_floatvalid = 0;
6625         win->floatmaxed = 0;
6626         win->ewmh_flags = 0;
6627
6628         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6629             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6630             HEIGHT(win), ws->idx);
6631
6632         constrain_window(win, r, 0);
6633
6634         /* Set window properties so we can remember this after reincarnation */
6635         if (prop == NULL && snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6636             SWM_PROPLEN) {
6637                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6638                     ws_idx_str);
6639                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6640                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6641                     ws_idx_str);
6642         }
6643         if (prop)
6644                 free(prop);
6645
6646         ewmh_autoquirk(win);
6647
6648         if (xcb_icccm_get_wm_class_reply(conn,
6649             xcb_icccm_get_wm_class(conn, win->id),
6650             &win->ch, NULL)) {
6651                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6652                     win->ch.class_name, win->ch.instance_name);
6653
6654                 /* java is retarded so treat it special */
6655                 if (strstr(win->ch.instance_name, "sun-awt")) {
6656                         win->java = 1;
6657                         border_me = 1;
6658                 }
6659
6660                 TAILQ_FOREACH(qp, &quirks, entry) {
6661                         if (!strcmp(win->ch.class_name, qp->class) &&
6662                             !strcmp(win->ch.instance_name, qp->name)) {
6663                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6664                                     "class: %s, name: %s\n", win->ch.class_name,
6665                                     win->ch.instance_name);
6666                                 if (qp->quirk & SWM_Q_FLOAT) {
6667                                         win->floating = 1;
6668                                         border_me = 1;
6669                                 }
6670                                 win->quirks = qp->quirk;
6671                         }
6672                 }
6673         }
6674
6675         /* alter window position if quirky */
6676         if (win->quirks & SWM_Q_ANYWHERE) {
6677                 win->manual = 1; /* don't center the quirky windows */
6678                 if (bar_enabled && Y(win) < bar_height)
6679                         Y(win) = bar_height;
6680                 if (WIDTH(win) + X(win) > WIDTH(r))
6681                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6682                 border_me = 1;
6683         }
6684
6685         /* Reset font sizes (the bruteforce way; no default keybinding). */
6686         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6687                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6688                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6689                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6690                         fake_keypress(win, XK_KP_Add, ShiftMask);
6691         }
6692
6693         ewmh_get_win_state(win);
6694         ewmh_update_actions(win);
6695         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6696
6697         /* border me */
6698         if (border_me) {
6699                 win->bordered = 1;
6700                 X(win) -= border_width;
6701                 Y(win) -= border_width;
6702                 update_window(win);
6703         }
6704
6705         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6706             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6707
6708         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6709
6710         /* floaters need to be mapped if they are in the current workspace */
6711         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6712                 map_window_raised(win->id);
6713
6714         return (win);
6715 }
6716
6717 void
6718 free_window(struct ws_win *win)
6719 {
6720         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6721
6722         if (win == NULL)
6723                 return;
6724
6725         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6726
6727         if (win->wa)
6728                 free(win->wa);
6729
6730         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6731
6732         kill_refs(win);
6733
6734         /* paint memory */
6735         memset(win, 0xff, sizeof *win); /* XXX kill later */
6736
6737         free(win);
6738         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6739 }
6740
6741 void
6742 unmanage_window(struct ws_win *win)
6743 {
6744         struct ws_win           *parent;
6745         xcb_screen_t            *screen;
6746
6747         if (win == NULL)
6748                 return;
6749
6750         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6751
6752         if (win->transient) {
6753                 parent = find_window(win->transient);
6754                 if (parent)
6755                         parent->child_trans = NULL;
6756         }
6757
6758         /* focus on root just in case */
6759         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6760         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6761             screen->root, XCB_CURRENT_TIME);
6762
6763         focus_prev(win);
6764
6765         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6766         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6767 }
6768
6769 void
6770 focus_magic(struct ws_win *win)
6771 {
6772         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6773
6774         if (win == NULL) {
6775                 /* if there are no windows clear the status-bar */
6776                 bar_update();
6777                 return;
6778         }
6779
6780         if (win->child_trans) {
6781                 /* win = parent & has a transient so focus on that */
6782                 if (win->java) {
6783                         focus_win(win->child_trans);
6784                         if (win->child_trans->take_focus)
6785                                 client_msg(win, a_takefocus);
6786                 } else {
6787                         /* make sure transient hasn't disappeared */
6788                         if (validate_win(win->child_trans) == 0) {
6789                                 focus_win(win->child_trans);
6790                                 if (win->child_trans->take_focus)
6791                                         client_msg(win->child_trans,
6792                                             a_takefocus);
6793                         } else {
6794                                 win->child_trans = NULL;
6795                                 focus_win(win);
6796                                 if (win->take_focus)
6797                                         client_msg(win, a_takefocus);
6798                         }
6799                 }
6800         } else {
6801                 /* regular focus */
6802                 focus_win(win);
6803                 if (win->take_focus)
6804                         client_msg(win, a_takefocus);
6805         }
6806 }
6807
6808 void
6809 expose(xcb_expose_event_t *e)
6810 {
6811         int                     i, num_screens;
6812         struct swm_region       *r;
6813
6814         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6815
6816         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6817         for (i = 0; i < num_screens; i++)
6818                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6819                         if (e->window == WINID(r->bar))
6820                                 bar_update();
6821
6822         xcb_flush(conn);
6823 }
6824
6825 void
6826 keypress(xcb_key_press_event_t *e)
6827 {
6828         xcb_keysym_t            keysym;
6829         struct key              *kp;
6830
6831         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
6832
6833         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
6834
6835         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6836                 return;
6837
6838         if (kp->funcid == KF_SPAWN_CUSTOM)
6839                 spawn_custom(root_to_region(e->root),
6840                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
6841         else if (keyfuncs[kp->funcid].func)
6842                 keyfuncs[kp->funcid].func(root_to_region(e->root),
6843                     &(keyfuncs[kp->funcid].args));
6844 }
6845
6846 void
6847 buttonpress(xcb_button_press_event_t *e)
6848 {
6849         struct ws_win           *win;
6850         int                     i;
6851         unsigned int            action;
6852
6853         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
6854             e->event, e->detail);
6855
6856         if ((win = find_window(e->event)) == NULL)
6857                 return;
6858
6859         focus_magic(win);
6860         action = client_click;
6861
6862         for (i = 0; i < LENGTH(buttons); i++)
6863                 if (action == buttons[i].action && buttons[i].func &&
6864                     buttons[i].button == e->detail &&
6865                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6866                         buttons[i].func(win, &buttons[i].args);
6867
6868         xcb_flush(conn);
6869 }
6870
6871 #ifdef SWM_DEBUG
6872 void
6873 print_win_geom(xcb_window_t w)
6874 {
6875         xcb_get_geometry_reply_t        *wa;
6876
6877         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
6878
6879         if (!wa) {
6880                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
6881                     w);
6882                 return;
6883         }
6884
6885         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
6886             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
6887             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
6888             wa->border_width);
6889
6890         free(wa);
6891 }
6892 #endif
6893
6894 void
6895 configurerequest(xcb_configure_request_event_t *e)
6896 {
6897         struct ws_win           *win;
6898         int                     new = 0, i = 0;
6899         uint16_t                mask = 0;
6900         uint32_t                wc[7] = {0};
6901
6902         if ((win = find_window(e->window)) == NULL)
6903                 if ((win = find_unmanaged_window(e->window)) == NULL)
6904                         new = 1;
6905 #ifdef SWM_DEBUG
6906         print_win_geom(e->window);
6907 #endif
6908         if (new) {
6909                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6910                     "value_mask: 0x%x", e->window, e->value_mask);
6911                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6912                         mask |= XCB_CONFIG_WINDOW_X;
6913                         wc[i++] = e->x;
6914                         DPRINTF(", X: %d", e->x);
6915                 }
6916                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6917                         mask |= XCB_CONFIG_WINDOW_Y;
6918                         wc[i++] = e->y;
6919                         DPRINTF(", Y: %d", e->y);
6920                 }
6921                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6922                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6923                         wc[i++] = e->width;
6924                         DPRINTF(", W: %u", e->width);
6925                 }
6926                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6927                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6928                         wc[i++] = e->height;
6929                         DPRINTF(", H: %u", e->height);
6930                 }
6931                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6932                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6933                         wc[i++] = e->border_width;
6934                         DPRINTF(", Border: %u", e->border_width);
6935                 }
6936                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6937                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6938                         wc[i++] = e->sibling;
6939                         DPRINTF(", Sibling: 0x%x", e->sibling);
6940                 }
6941                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6942                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6943                         wc[i++] = e->stack_mode;
6944                         DPRINTF(", StackMode: %u", e->stack_mode);
6945                 }
6946
6947                 if (mask != 0)
6948                         xcb_configure_window(conn, e->window, mask, wc);
6949
6950                 DPRINTF(", Sent: %s\n", YESNO((mask != 0)));
6951         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6952             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6953                 win->g_float.x = e->x - X(win->ws->r);
6954                 win->g_float.y = e->y - Y(win->ws->r);
6955                 win->g_float.w = e->width;
6956                 win->g_float.h = e->height;
6957                 win->g_floatvalid = 1;
6958
6959                 if (win->floating) {
6960                         win->g = win->g_float;
6961                         win->g.x += X(win->ws->r);
6962                         win->g.y += Y(win->ws->r);
6963                         update_window(win);
6964                 } else {
6965                         config_win(win, e);
6966                 }
6967         } else {
6968                 config_win(win, e);
6969         }
6970
6971         xcb_flush(conn);
6972 }
6973
6974 void
6975 configurenotify(xcb_configure_notify_event_t *e)
6976 {
6977         struct ws_win           *win;
6978
6979         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
6980             e->window);
6981
6982         win = find_window(e->window);
6983         if (win) {
6984                 xcb_icccm_get_wm_normal_hints_reply(conn,
6985                     xcb_icccm_get_wm_normal_hints(conn, win->id),
6986                     &win->sh, NULL);
6987                 adjust_font(win);
6988                 if (font_adjusted)
6989                         stack();
6990         }
6991 }
6992
6993 void
6994 destroynotify(xcb_destroy_notify_event_t *e)
6995 {
6996         struct ws_win           *win;
6997
6998         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
6999
7000         if ((win = find_window(e->window)) == NULL) {
7001                 if ((win = find_unmanaged_window(e->window)) == NULL)
7002                         return;
7003                 free_window(win);
7004                 return;
7005         }
7006
7007         /* make sure we focus on something */
7008         win->floating = 0;
7009
7010         unmanage_window(win);
7011         stack();
7012         free_window(win);
7013 }
7014
7015 void
7016 enternotify(xcb_enter_notify_event_t *e)
7017 {
7018         struct ws_win           *win;
7019         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %d, detail: "
7020             "%d, root: 0x%x, subwindow: 0x%x, same_screen_focus: %s, "
7021             "state: %d\n", e->event, e->mode, e->detail, e->root,
7022             e->child, YESNO(e->same_screen_focus), e->state);
7023
7024         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
7025                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
7026                     "cursor grab.\n");
7027                 return;
7028         }
7029
7030         switch (focus_mode) {
7031         case SWM_FOCUS_DEFAULT:
7032                 break;
7033         case SWM_FOCUS_FOLLOW:
7034                 break;
7035         case SWM_FOCUS_SYNERGY:
7036                 break;
7037         }
7038
7039         if ((win = find_window(e->event)) == NULL) {
7040                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7041                 return;
7042         }
7043
7044         focus_magic(win);
7045
7046         xcb_flush(conn);
7047 }
7048
7049 /* lets us use one switch statement for arbitrary mode/detail combinations */
7050 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7051
7052 void
7053 mapnotify(xcb_map_notify_event_t *e)
7054 {
7055         struct ws_win           *win;
7056
7057         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
7058
7059         win = manage_window(e->window);
7060         if (win)
7061                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7062
7063         /*
7064          * focus_win can only set input focus on a mapped window.
7065          * make sure the window really has focus since it is just being mapped.
7066          */
7067         if (win->ws->focus == win)
7068                 focus_win(win);
7069 }
7070
7071 void
7072 mappingnotify(xcb_mapping_notify_event_t *e)
7073 {
7074         xcb_refresh_keyboard_mapping(syms, e);
7075
7076         if (e->request == XCB_MAPPING_KEYBOARD)
7077                 grabkeys();
7078 }
7079
7080 void
7081 maprequest(xcb_map_request_event_t *e)
7082 {
7083         struct ws_win           *win;
7084         struct swm_region       *r;
7085         xcb_get_window_attributes_reply_t *war;
7086
7087         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
7088             e->window);
7089
7090         war = xcb_get_window_attributes_reply(conn,
7091             xcb_get_window_attributes(conn, e->window),
7092             NULL);
7093         if (!war)
7094                 return;
7095         if (war->override_redirect) {
7096                 free(war);
7097                 return;
7098         }
7099         free(war);
7100
7101         win = manage_window(e->window);
7102         if (win == NULL) {
7103                 return; /* can't happen */
7104         }
7105
7106         stack();
7107
7108         /* make new win focused */
7109         r = root_to_region(win->wa->root);
7110         if (win->ws == r->ws)
7111                 focus_magic(win);
7112 }
7113
7114 #ifdef SWM_DEBUG
7115 char *
7116 get_atom_name(xcb_atom_t atom)
7117 {
7118         char                            *name;
7119         size_t                          len;
7120         xcb_get_atom_name_reply_t       *r;
7121
7122         r = xcb_get_atom_name_reply(conn,
7123             xcb_get_atom_name(conn, atom),
7124             NULL);
7125         if (r) {
7126                 len = xcb_get_atom_name_name_length(r);
7127                 if (len > 0) {
7128                         name = malloc(len + 1);
7129                         if (name) {
7130                                 memcpy(name, xcb_get_atom_name_name(r), len);
7131                                 name[len] = '\0';
7132
7133                                 return name;
7134                         }
7135                 }
7136                 free(r);
7137         }
7138
7139         return NULL;
7140 }
7141 #endif
7142
7143 void
7144 propertynotify(xcb_property_notify_event_t *e)
7145 {
7146         struct ws_win           *win;
7147 #ifdef SWM_DEBUG
7148         char                    *name;
7149
7150         name = get_atom_name(e->atom);
7151         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u)\n",
7152             e->window, name, e->atom);
7153         free(name);
7154 #endif
7155
7156         win = find_window(e->window);
7157         if (win == NULL)
7158                 return;
7159
7160         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7161                 update_iconic(win, 0);
7162                 map_window_raised(win->id);
7163                 stack();
7164                 focus_win(win);
7165                 return;
7166         }
7167
7168         switch (e->atom) {
7169         case XCB_ATOM_WM_CLASS:
7170         case XCB_ATOM_WM_NAME:
7171                 bar_update();
7172                 break;
7173         default:
7174                 break;
7175         }
7176 }
7177
7178 void
7179 unmapnotify(xcb_unmap_notify_event_t *e)
7180 {
7181         struct ws_win           *win;
7182
7183         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7184
7185         /* determine if we need to help unmanage this window */
7186         win = find_window(e->window);
7187         if (win == NULL)
7188                 return;
7189
7190         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7191                 unmanage_window(win);
7192                 stack();
7193
7194                 /* resend unmap because we ated it */
7195                 xcb_unmap_window(conn, e->window);
7196                 xcb_flush(conn);
7197         }
7198 }
7199
7200 #if 0
7201 void
7202 visibilitynotify(xcb_visibility_notify_event_t *e)
7203 {
7204         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7205             e->window);
7206 }
7207 #endif
7208
7209 void
7210 clientmessage(xcb_client_message_event_t *e)
7211 {
7212         struct ws_win *win;
7213         xcb_map_request_event_t mre;
7214 #ifdef SWM_DEBUG
7215         char                    *name;
7216
7217         name = get_atom_name(e->type);
7218         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
7219             e->window, name, e->type);
7220         free(name);
7221 #endif
7222         win = find_window(e->window);
7223
7224         if (win == NULL) {
7225                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7226                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7227                             "unmanaged window.\n");
7228                         mre.window = e->window;
7229                         maprequest(&mre);
7230                 }
7231                 return;
7232         }
7233
7234         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7235                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7236                 focus_win(win);
7237         }
7238         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7239                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7240                 if (win->can_delete)
7241                         client_msg(win, a_delete);
7242                 else
7243                         xcb_kill_client(conn, win->id);
7244         }
7245         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7246                 DNPRINTF(SWM_D_EVENT,
7247                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7248                 if (win->floating) {
7249                         if (e->data.data32[0] & (1<<8)) /* x */
7250                                 X(win) = e->data.data32[1];
7251                         if (e->data.data32[0] & (1<<9)) /* y */
7252                                 Y(win) = e->data.data32[2];
7253                         if (e->data.data32[0] & (1<<10)) /* width */
7254                                 WIDTH(win) = e->data.data32[3];
7255                         if (e->data.data32[0] & (1<<11)) /* height */
7256                                 HEIGHT(win) = e->data.data32[4];
7257
7258                         update_window(win);
7259                 }
7260                 else {
7261                         /* TODO: Change stack sizes */
7262                         /* notify no change was made. */
7263                         config_win(win, NULL);
7264                 }
7265         }
7266         if (e->type == ewmh[_NET_WM_STATE].atom) {
7267                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7268                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7269                 if (e->data.data32[2])
7270                         ewmh_update_win_state(win, e->data.data32[2],
7271                             e->data.data32[0]);
7272
7273                 stack();
7274         }
7275
7276         xcb_flush(conn);
7277 }
7278
7279 int
7280 enable_wm(void)
7281 {
7282         int                     num_screens, i;
7283         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7284         xcb_screen_t            *sc;
7285         xcb_void_cookie_t       wac;
7286         xcb_generic_error_t     *error;
7287
7288         /* this causes an error if some other window manager is running */
7289         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7290         for (i = 0; i < num_screens; i++) {
7291                 sc = get_screen(i);
7292                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
7293                     i, sc->root);
7294                 wac = xcb_change_window_attributes_checked(conn, sc->root,
7295                     XCB_CW_EVENT_MASK, &val);
7296                 if ((error = xcb_request_check(conn, wac))) {
7297                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
7298                             error->error_code);
7299                         free(error);
7300                         return 1;
7301                 }
7302         }
7303
7304         return 0;
7305 }
7306
7307 void
7308 new_region(struct swm_screen *s, int x, int y, int w, int h)
7309 {
7310         struct swm_region       *r, *n;
7311         struct workspace        *ws = NULL;
7312         int                     i;
7313
7314         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7315              s->idx, w, h, x, y);
7316
7317         /* remove any conflicting regions */
7318         n = TAILQ_FIRST(&s->rl);
7319         while (n) {
7320                 r = n;
7321                 n = TAILQ_NEXT(r, entry);
7322                 if (X(r) < (x + w) &&
7323                     (X(r) + WIDTH(r)) > x &&
7324                     Y(r) < (y + h) &&
7325                     (Y(r) + HEIGHT(r)) > y) {
7326                         if (r->ws->r != NULL)
7327                                 r->ws->old_r = r->ws->r;
7328                         r->ws->r = NULL;
7329                         bar_cleanup(r);
7330                         TAILQ_REMOVE(&s->rl, r, entry);
7331                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7332                 }
7333         }
7334
7335         /* search old regions for one to reuse */
7336
7337         /* size + location match */
7338         TAILQ_FOREACH(r, &s->orl, entry)
7339                 if (X(r) == x && Y(r) == y &&
7340                     HEIGHT(r) == h && WIDTH(r) == w)
7341                         break;
7342
7343         /* size match */
7344         TAILQ_FOREACH(r, &s->orl, entry)
7345                 if (HEIGHT(r) == h && WIDTH(r) == w)
7346                         break;
7347
7348         if (r != NULL) {
7349                 TAILQ_REMOVE(&s->orl, r, entry);
7350                 /* try to use old region's workspace */
7351                 if (r->ws->r == NULL)
7352                         ws = r->ws;
7353         } else
7354                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7355                         err(1, "new_region: calloc: failed to allocate memory "
7356                             "for screen");
7357
7358         /* if we don't have a workspace already, find one */
7359         if (ws == NULL) {
7360                 for (i = 0; i < workspace_limit; i++)
7361                         if (s->ws[i].r == NULL) {
7362                                 ws = &s->ws[i];
7363                                 break;
7364                         }
7365         }
7366
7367         if (ws == NULL)
7368                 errx(1, "new_region: no free workspaces");
7369
7370         X(r) = x;
7371         Y(r) = y;
7372         WIDTH(r) = w;
7373         HEIGHT(r) = h;
7374         r->s = s;
7375         r->ws = ws;
7376         r->ws_prior = NULL;
7377         ws->r = r;
7378         outputs++;
7379         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7380 }
7381
7382 void
7383 scan_xrandr(int i)
7384 {
7385 #ifdef SWM_XRR_HAS_CRTC
7386         int                                             c;
7387         int                                             ncrtc = 0;
7388 #endif /* SWM_XRR_HAS_CRTC */
7389         struct swm_region                               *r;
7390         int                                             num_screens;
7391         xcb_randr_get_screen_resources_current_cookie_t src;
7392         xcb_randr_get_screen_resources_current_reply_t  *srr;
7393         xcb_randr_get_crtc_info_cookie_t                cic;
7394         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7395         xcb_randr_crtc_t                                *crtc;
7396         xcb_screen_t                                    *screen = get_screen(i);
7397
7398         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7399         if (i >= num_screens)
7400                 errx(1, "scan_xrandr: invalid screen");
7401
7402         /* remove any old regions */
7403         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7404                 r->ws->old_r = r->ws->r = NULL;
7405                 bar_cleanup(r);
7406                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7407                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7408         }
7409         outputs = 0;
7410
7411         /* map virtual screens onto physical screens */
7412 #ifdef SWM_XRR_HAS_CRTC
7413         if (xrandr_support) {
7414                 src = xcb_randr_get_screen_resources_current(conn,
7415                     screens[i].root);
7416                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7417                     NULL);
7418                 if (srr == NULL) {
7419                         new_region(&screens[i], 0, 0,
7420                             screen->width_in_pixels,
7421                             screen->height_in_pixels);
7422                         return;
7423                 } else
7424                         ncrtc = srr->num_crtcs;
7425                 for (c = 0; c < ncrtc; c++) {
7426                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7427                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7428                             XCB_CURRENT_TIME);
7429                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7430                         if (cir == NULL)
7431                                 continue;
7432                         if (cir->num_outputs == 0) {
7433                                 free(cir);
7434                                 continue;
7435                         }
7436
7437                         if (cir->mode == 0)
7438                                 new_region(&screens[i], 0, 0,
7439                                     screen->width_in_pixels,
7440                                     screen->height_in_pixels);
7441                         else
7442                                 new_region(&screens[i],
7443                                     cir->x, cir->y, cir->width, cir->height);
7444                         free(cir);
7445                 }
7446                 free(srr);
7447         } else
7448 #endif /* SWM_XRR_HAS_CRTC */
7449         {
7450                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7451                     screen->height_in_pixels);
7452         }
7453 }
7454
7455 void
7456 screenchange(xcb_randr_screen_change_notify_event_t *e)
7457 {
7458         struct swm_region               *r;
7459         int                             i, num_screens;
7460
7461         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7462
7463         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7464         /* silly event doesn't include the screen index */
7465         for (i = 0; i < num_screens; i++)
7466                 if (screens[i].root == e->root)
7467                         break;
7468         if (i >= num_screens)
7469                 errx(1, "screenchange: screen not found");
7470
7471         /* brute force for now, just re-enumerate the regions */
7472         scan_xrandr(i);
7473
7474 #ifdef SWM_DEBUG
7475         print_win_geom(e->root);
7476 #endif
7477         /* add bars to all regions */
7478         for (i = 0; i < num_screens; i++)
7479                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7480                         bar_setup(r);
7481         stack();
7482 }
7483
7484 void
7485 grab_windows(void)
7486 {
7487         xcb_window_t            *wins   = NULL;
7488         int                     no;
7489         int                     i, j, num_screens;
7490         uint16_t                state, manage;
7491
7492         xcb_query_tree_cookie_t                 qtc;
7493         xcb_query_tree_reply_t                  *qtr;
7494         xcb_get_window_attributes_cookie_t      c;
7495         xcb_get_window_attributes_reply_t       *r;
7496         xcb_get_property_cookie_t               pc;
7497
7498         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
7499         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7500         for (i = 0; i < num_screens; i++) {
7501                 qtc = xcb_query_tree(conn, screens[i].root);
7502                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7503                 if (!qtr)
7504                         continue;
7505                 wins = xcb_query_tree_children(qtr);
7506                 no = xcb_query_tree_children_length(qtr);
7507                 /* attach windows to a region */
7508                 /* normal windows */
7509                 for (j = 0; j < no; j++) {
7510                         c = xcb_get_window_attributes(conn, wins[j]);
7511                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7512                         if (!r)
7513                                 continue;
7514                         if (r->override_redirect) {
7515                                 free(r);
7516                                 continue;
7517                         }
7518
7519                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7520                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7521                             &wins[j], NULL)) {
7522                                 free(r);
7523                                 continue;
7524                         }
7525
7526                         state = getstate(wins[j]);
7527                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7528                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7529                                 manage_window(wins[j]);
7530                         free(r);
7531                 }
7532                 /* transient windows */
7533                 for (j = 0; j < no; j++) {
7534                         c = xcb_get_window_attributes(conn, wins[j]);
7535                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7536                         if (!r)
7537                                 continue;
7538                         if (r->override_redirect) {
7539                                 free(r);
7540                                 continue;
7541                         }
7542                         free(r);
7543
7544                         state = getstate(wins[j]);
7545                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7546                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7547                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7548                             &wins[j], NULL) && manage)
7549                                 manage_window(wins[j]);
7550                 }
7551                 free(qtr);
7552         }
7553         DNPRINTF(SWM_D_INIT, "grab_windows: done\n");
7554 }
7555
7556 void
7557 setup_screens(void)
7558 {
7559         int                     i, j, k, num_screens;
7560         struct workspace        *ws;
7561         uint32_t                gcv[1], wa[1];
7562         const xcb_query_extension_reply_t *qep;
7563         xcb_cursor_t                            cursor;
7564         xcb_font_t                              cursor_font;
7565         xcb_randr_query_version_cookie_t        c;
7566         xcb_randr_query_version_reply_t         *r;
7567
7568         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7569         if ((screens = calloc(num_screens,
7570              sizeof(struct swm_screen))) == NULL)
7571                 err(1, "setup_screens: calloc: failed to allocate memory for "
7572                     "screens");
7573
7574         /* initial Xrandr setup */
7575         xrandr_support = 0;
7576         c = xcb_randr_query_version(conn, 1, 1);
7577         r = xcb_randr_query_version_reply(conn, c, NULL);
7578         if (r) {
7579                 if (r->major_version >= 1)
7580                         xrandr_support = 1;
7581                 free(r);
7582         }
7583         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7584         xrandr_eventbase = qep->first_event;
7585
7586         cursor_font = xcb_generate_id(conn);
7587         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7588
7589         cursor = xcb_generate_id(conn);
7590         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7591             XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7592         wa[0] = cursor;
7593
7594         /* map physical screens */
7595         for (i = 0; i < num_screens; i++) {
7596                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7597                 screens[i].idx = i;
7598                 TAILQ_INIT(&screens[i].rl);
7599                 TAILQ_INIT(&screens[i].orl);
7600                 screens[i].root = get_screen(i)->root;
7601
7602                 /* set default colors */
7603                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7604                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7605                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7606                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7607                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7608
7609                 /* create graphics context on screen */
7610                 screens[i].bar_gc = xcb_generate_id(conn);
7611                 gcv[0] = 0;
7612                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7613                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7614
7615                 /* set default cursor */
7616                 xcb_change_window_attributes(conn, screens[i].root,
7617                     XCB_CW_CURSOR, wa);
7618
7619                 /* init all workspaces */
7620                 /* XXX these should be dynamically allocated too */
7621                 for (j = 0; j < SWM_WS_MAX; j++) {
7622                         ws = &screens[i].ws[j];
7623                         ws->idx = j;
7624                         ws->name = NULL;
7625                         ws->focus = NULL;
7626                         ws->r = NULL;
7627                         ws->old_r = NULL;
7628                         TAILQ_INIT(&ws->winlist);
7629                         TAILQ_INIT(&ws->unmanagedlist);
7630
7631                         for (k = 0; layouts[k].l_stack != NULL; k++)
7632                                 if (layouts[k].l_config != NULL)
7633                                         layouts[k].l_config(ws,
7634                                             SWM_ARG_ID_STACKINIT);
7635                         ws->cur_layout = &layouts[0];
7636                         ws->cur_layout->l_string(ws);
7637                 }
7638
7639                 scan_xrandr(i);
7640
7641                 if (xrandr_support)
7642                         xcb_randr_select_input(conn, screens[i].root,
7643                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7644         }
7645         xcb_free_cursor(conn, cursor);
7646         xcb_close_font(conn, cursor_font);
7647 }
7648
7649 void
7650 setup_globals(void)
7651 {
7652         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7653                 err(1, "setup_globals: strdup: failed to allocate memory.");
7654
7655         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7656                 err(1, "setup_globals: strdup: failed to allocate memory.");
7657
7658         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
7659                 errx(1, "unable to allocate key symbols");
7660
7661         a_state = get_atom_from_string("WM_STATE");
7662         a_prot = get_atom_from_string("WM_PROTOCOLS");
7663         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
7664         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7665         a_wmname = get_atom_from_string("WM_NAME");
7666         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7667         a_utf8_string = get_atom_from_string("UTF8_STRING");
7668         a_string = get_atom_from_string("STRING");
7669         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7670         a_swm_ws = get_atom_from_string("_SWM_WS");
7671 }
7672
7673 void
7674 workaround(void)
7675 {
7676         int                     i, num_screens;
7677         xcb_atom_t              netwmcheck;
7678         xcb_window_t            root, win;
7679         uint32_t                wa[2];
7680
7681         /* work around sun jdk bugs, code from wmname */
7682         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7683
7684         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7685         for (i = 0; i < num_screens; i++) {
7686                 root = screens[i].root;
7687
7688                 win = xcb_generate_id(conn);
7689                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].pixel;
7690                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].pixel;
7691                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7692                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7693                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7694
7695                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7696                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7697                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7698                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7699                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7700                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
7701         }
7702 }
7703
7704 void
7705 event_error(xcb_generic_error_t *e)
7706 {
7707         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
7708             "resource_id: %u, minor_code: %u\n",
7709             xcb_event_get_error_label(e->error_code), e->error_code,
7710             xcb_event_get_request_label(e->major_code), e->major_code,
7711             e->sequence, e->resource_id, e->minor_code);
7712 }
7713
7714 void
7715 event_handle(xcb_generic_event_t *evt)
7716 {
7717         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7718
7719         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
7720             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
7721             XCB_EVENT_RESPONSE_TYPE(evt));
7722
7723         switch (type) {
7724 #define EVENT(type, callback) case type: callback((void *)evt); return
7725         EVENT(0, event_error);
7726         EVENT(XCB_BUTTON_PRESS, buttonpress);
7727         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7728         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
7729         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
7730         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7731         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
7732         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7733         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7734         /*EVENT(XCB_CREATE_NOTIFY, );*/
7735         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7736         EVENT(XCB_ENTER_NOTIFY, enternotify);
7737         EVENT(XCB_EXPOSE, expose);
7738         /*EVENT(XCB_FOCUS_IN, );*/
7739         /*EVENT(XCB_FOCUS_OUT, );*/
7740         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
7741         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
7742         EVENT(XCB_KEY_PRESS, keypress);
7743         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7744         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
7745         /*EVENT(XCB_LEAVE_NOTIFY, );*/
7746         EVENT(XCB_MAP_NOTIFY, mapnotify);
7747         EVENT(XCB_MAP_REQUEST, maprequest);
7748         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7749         /*EVENT(XCB_MOTION_NOTIFY, );*/
7750         /*EVENT(XCB_NO_EXPOSURE, );*/
7751         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7752         /*EVENT(XCB_REPARENT_NOTIFY, );*/
7753         /*EVENT(XCB_RESIZE_REQUEST, );*/
7754         /*EVENT(XCB_SELECTION_CLEAR, );*/
7755         /*EVENT(XCB_SELECTION_NOTIFY, );*/
7756         /*EVENT(XCB_SELECTION_REQUEST, );*/
7757         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7758         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
7759 #undef EVENT
7760         }
7761         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7762                 screenchange((void *)evt);
7763 }
7764
7765 int
7766 main(int argc, char *argv[])
7767 {
7768         struct swm_region       *r, *rr;
7769         struct ws_win           *winfocus = NULL;
7770         union arg               a;
7771         char                    conf[PATH_MAX], *cfile = NULL;
7772         struct stat             sb;
7773         int                     xfd, i, num_screens;
7774         struct sigaction        sact;
7775         xcb_generic_event_t     *evt;
7776         struct timeval          tv;
7777         fd_set                  rd;
7778
7779         /* suppress unused warning since var is needed */
7780         (void)argc;
7781
7782         time_started = time(NULL);
7783
7784         start_argv = argv;
7785         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7786         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
7787                 warnx("no locale support");
7788
7789         /* handle some signals */
7790         bzero(&sact, sizeof(sact));
7791         sigemptyset(&sact.sa_mask);
7792         sact.sa_flags = 0;
7793         sact.sa_handler = sighdlr;
7794         sigaction(SIGINT, &sact, NULL);
7795         sigaction(SIGQUIT, &sact, NULL);
7796         sigaction(SIGTERM, &sact, NULL);
7797         sigaction(SIGHUP, &sact, NULL);
7798
7799         sact.sa_handler = sighdlr;
7800         sact.sa_flags = SA_NOCLDSTOP;
7801         sigaction(SIGCHLD, &sact, NULL);
7802
7803         if (!(display = XOpenDisplay(0)))
7804                 errx(1, "can not open display");
7805
7806         conn = XGetXCBConnection(display);
7807         if (xcb_connection_has_error(conn))
7808                 errx(1, "can not get XCB connection");
7809
7810         XSetEventQueueOwner(display, XCBOwnsEventQueue);
7811
7812         xcb_prefetch_extension_data(conn, &xcb_randr_id);
7813         xfd = xcb_get_file_descriptor(conn);
7814
7815         /* look for local and global conf file */
7816         pwd = getpwuid(getuid());
7817         if (pwd == NULL)
7818                 errx(1, "invalid user: %d", getuid());
7819
7820         xcb_grab_server(conn);
7821         xcb_aux_sync(conn);
7822
7823         /* flush all events */
7824         while ((evt = xcb_poll_for_event(conn))) {
7825                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
7826                         event_handle(evt);
7827                 free(evt);
7828         }
7829
7830         if (enable_wm() != 0)
7831                 errx(1, "another window manager is currently running");
7832
7833         xcb_aux_sync(conn);
7834
7835         setup_globals();
7836         setup_screens();
7837         setup_keys();
7838         setup_quirks();
7839         setup_spawn();
7840
7841         /* load config */
7842         for (i = 0; ; i++) {
7843                 conf[0] = '\0';
7844                 switch (i) {
7845                 case 0:
7846                         /* ~ */
7847                         snprintf(conf, sizeof conf, "%s/.%s",
7848                             pwd->pw_dir, SWM_CONF_FILE);
7849                         break;
7850                 case 1:
7851                         /* global */
7852                         snprintf(conf, sizeof conf, "/etc/%s",
7853                             SWM_CONF_FILE);
7854                         break;
7855                 case 2:
7856                         /* ~ compat */
7857                         snprintf(conf, sizeof conf, "%s/.%s",
7858                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7859                         break;
7860                 case 3:
7861                         /* global compat */
7862                         snprintf(conf, sizeof conf, "/etc/%s",
7863                             SWM_CONF_FILE_OLD);
7864                         break;
7865                 default:
7866                         goto noconfig;
7867                 }
7868
7869                 if (strlen(conf) && stat(conf, &sb) != -1)
7870                         if (S_ISREG(sb.st_mode)) {
7871                                 cfile = conf;
7872                                 break;
7873                         }
7874         }
7875 noconfig:
7876
7877         /* load conf (if any) */
7878         if (cfile)
7879                 conf_load(cfile, SWM_CONF_DEFAULT);
7880
7881         setup_ewmh();
7882         /* set some values to work around bad programs */
7883         workaround();
7884         /* grab existing windows (before we build the bars) */
7885         grab_windows();
7886
7887         if (getenv("SWM_STARTED") == NULL)
7888                 setenv("SWM_STARTED", "YES", 1);
7889
7890         /* setup all bars */
7891         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7892         for (i = 0; i < num_screens; i++)
7893                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7894                         if (winfocus == NULL)
7895                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7896                         bar_setup(r);
7897                 }
7898
7899         //unfocus_all();
7900
7901         grabkeys();
7902         stack();
7903
7904         xcb_ungrab_server(conn);
7905         xcb_flush(conn);
7906
7907         while (running) {
7908                 while ((evt = xcb_poll_for_event(conn))) {
7909                         if (running == 0)
7910                                 goto done;
7911                         event_handle(evt);
7912                         free(evt);
7913                 }
7914
7915                 /* if we are being restarted go focus on first window */
7916                 if (winfocus) {
7917                         rr = winfocus->ws->r;
7918                         if (rr == NULL) {
7919                                 /* not a visible window */
7920                                 winfocus = NULL;
7921                                 continue;
7922                         }
7923                         /* move pointer to first screen if multi screen */
7924                         if (num_screens > 1 || outputs > 1)
7925                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7926                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
7927                                     Y(rr) + (bar_enabled ? bar_height : 0));
7928
7929                         a.id = SWM_ARG_ID_FOCUSCUR;
7930                         focus(rr, &a);
7931                         winfocus = NULL;
7932                         continue;
7933                 }
7934
7935                 FD_ZERO(&rd);
7936                 FD_SET(xfd, &rd);
7937                 tv.tv_sec = 1;
7938                 tv.tv_usec = 0;
7939                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7940                         if (errno != EINTR)
7941                                 DNPRINTF(SWM_D_MISC, "select failed");
7942                 if (restart_wm == 1)
7943                         restart(NULL, NULL);
7944                 if (search_resp == 1)
7945                         search_do_resp();
7946                 if (running == 0)
7947                         goto done;
7948                 if (bar_alarm) {
7949                         bar_alarm = 0;
7950                         bar_update();
7951                 }
7952         }
7953 done:
7954         teardown_ewmh();
7955         bar_extra_stop();
7956
7957         for (i = 0; i < num_screens; ++i)
7958                 if (screens[i].bar_gc != 0)
7959                         xcb_free_gc(conn, screens[i].bar_gc);
7960
7961         XftFontClose(display, bar_font);
7962         XftColorFree(display, DefaultVisual(display, 0),
7963             DefaultColormap(display, 0), &bar_font_color);
7964         xcb_key_symbols_free(syms);
7965         xcb_flush(conn);
7966         xcb_disconnect(conn);
7967
7968         return (0);
7969 }