spectrwm.c

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