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