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