spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <signal.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <time.h>
  89 #include <unistd.h>
  90 #include <util.h>
  91 #include <X11/cursorfont.h>
  92 #include <X11/extensions/Xrandr.h>
  93 #include <X11/Xft/Xft.h>
  94 #include <X11/Xlib-xcb.h>
  95 #include <xcb/xcb_atom.h>
  96 #include <xcb/xcb_aux.h>
  97 #include <xcb/xcb_event.h>
  98 #include <xcb/xcb_icccm.h>
  99 #include <xcb/xcb_keysyms.h>
 100 #include <xcb/xtest.h>
 101 #include <xcb/randr.h>
 102
 103 /* local includes */
 104 #include "version.h"
 105 #ifdef __OSX__
 106 #include <osx.h>
 107 #endif
 108
 109 #ifdef SPECTRWM_BUILDSTR
 110 static const char       *buildstr = SPECTRWM_BUILDSTR;
 111 #else
 112 static const char       *buildstr = SPECTRWM_VERSION;
 113 #endif
 114
 115 #if RANDR_MAJOR < 1
 116 #  error XRandR versions less than 1.0 are not supported
 117 #endif
 118
 119 #if RANDR_MAJOR >= 1
 120 #if RANDR_MINOR >= 2
 121 #define SWM_XRR_HAS_CRTC
 122 #endif
 123 #endif
 124
 125 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 126 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 127 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 128 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 129 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 130 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 131 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 132 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 133 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 134 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 135 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 136 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 137 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 138 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 139 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 140 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 141 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 142 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 143 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 144 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 145 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 146 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 147 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 148 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 149 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 150 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 151 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 152 #endif
 153
 154 #define SWM_DEBUG
 155 #ifdef SWM_DEBUG
 156 #define DPRINTF(x...) do {                                                      \
 157         if (swm_debug)                                                          \
 158                 fprintf(stderr, x);                                             \
 159 } while (0)
 160 #define DNPRINTF(n,x...) do {                                                   \
 161         if (swm_debug & n) {                                                    \
 162                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 163                 fprintf(stderr, x);                                             \
 164         }                                                                       \
 165 } while (0)
 166 #define SWM_D_MISC              0x0001
 167 #define SWM_D_EVENT             0x0002
 168 #define SWM_D_WS                0x0004
 169 #define SWM_D_FOCUS             0x0008
 170 #define SWM_D_MOVE              0x0010
 171 #define SWM_D_STACK             0x0020
 172 #define SWM_D_MOUSE             0x0040
 173 #define SWM_D_PROP              0x0080
 174 #define SWM_D_CLASS             0x0100
 175 #define SWM_D_KEY               0x0200
 176 #define SWM_D_QUIRK             0x0400
 177 #define SWM_D_SPAWN             0x0800
 178 #define SWM_D_EVENTQ            0x1000
 179 #define SWM_D_CONF              0x2000
 180 #define SWM_D_BAR               0x4000
 181 #define SWM_D_INIT              0x8000
 182
 183 u_int32_t               swm_debug = 0
 184                             | SWM_D_MISC
 185                             | SWM_D_EVENT
 186                             | SWM_D_WS
 187                             | SWM_D_FOCUS
 188                             | SWM_D_MOVE
 189                             | SWM_D_STACK
 190                             | SWM_D_MOUSE
 191                             | SWM_D_PROP
 192                             | SWM_D_CLASS
 193                             | SWM_D_KEY
 194                             | SWM_D_QUIRK
 195                             | SWM_D_SPAWN
 196                             | SWM_D_EVENTQ
 197                             | SWM_D_CONF
 198                             | SWM_D_BAR
 199                             | SWM_D_INIT
 200                             ;
 201 #else
 202 #define DPRINTF(x...)
 203 #define DNPRINTF(n,x...)
 204 #endif
 205
 206 /* convert 8-bit to 16-bit */
 207 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 208
 209 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 210         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 211         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 212         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 213         xrc.alpha = 0xffff;
 214
 215 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 216 #define MODKEY                  Mod1Mask
 217 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | LockMask))
 218 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 219 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 220 #define SWM_PROPLEN             (16)
 221 #define SWM_FUNCNAME_LEN        (32)
 222 #define SWM_KEYS_LEN            (255)
 223 #define SWM_QUIRK_LEN           (64)
 224 #define X(r)                    (r)->g.x
 225 #define Y(r)                    (r)->g.y
 226 #define WIDTH(r)                (r)->g.w
 227 #define HEIGHT(r)               (r)->g.h
 228 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 229 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 230 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 231 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 232 #define SH_MIN_W(w)             (w)->sh.min_width
 233 #define SH_MIN_H(w)             (w)->sh.min_height
 234 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 235 #define SH_MAX_W(w)             (w)->sh.max_width
 236 #define SH_MAX_H(w)             (w)->sh.max_height
 237 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 238 #define SH_INC_W(w)             (w)->sh.width_inc
 239 #define SH_INC_H(w)             (w)->sh.height_inc
 240 #define SWM_MAX_FONT_STEPS      (3)
 241 #define WINID(w)                ((w) ? (w)->id : 0)
 242 #define YESNO(x)                ((x) ? "yes" : "no")
 243
 244 #define SWM_FOCUS_DEFAULT       (0)
 245 #define SWM_FOCUS_SYNERGY       (1)
 246 #define SWM_FOCUS_FOLLOW        (2)
 247
 248 #define SWM_CONF_DEFAULT        (0)
 249 #define SWM_CONF_KEYMAPPING     (1)
 250
 251 #ifndef SWM_LIB
 252 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 253 #endif
 254
 255 char                    **start_argv;
 256 xcb_atom_t              a_state;
 257 xcb_atom_t              a_prot;
 258 xcb_atom_t              a_delete;
 259 xcb_atom_t              a_takefocus;
 260 xcb_atom_t              a_wmname;
 261 xcb_atom_t              a_netwmname;
 262 xcb_atom_t              a_utf8_string;
 263 xcb_atom_t              a_string;
 264 xcb_atom_t              a_swm_iconic;
 265 xcb_atom_t              a_swm_ws;
 266 volatile sig_atomic_t   running = 1;
 267 volatile sig_atomic_t   restart_wm = 0;
 268 int                     outputs = 0;
 269 /*int                   last_focus_event = FocusOut;*/
 270 int                     other_wm;
 271 int                     ss_enabled = 0;
 272 int                     xrandr_support;
 273 int                     xrandr_eventbase;
 274 unsigned int            numlockmask = 0;
 275
 276 Display                 *display;
 277 xcb_connection_t        *conn;
 278 xcb_key_symbols_t       *syms;
 279
 280 int                     cycle_empty = 0;
 281 int                     cycle_visible = 0;
 282 int                     term_width = 0;
 283 int                     font_adjusted = 0;
 284 unsigned int            mod_key = MODKEY;
 285
 286 /* dmenu search */
 287 struct swm_region       *search_r;
 288 int                     select_list_pipe[2];
 289 int                     select_resp_pipe[2];
 290 pid_t                   searchpid;
 291 volatile sig_atomic_t   search_resp;
 292 int                     search_resp_action;
 293
 294 struct search_window {
 295         TAILQ_ENTRY(search_window)      entry;
 296         int                             idx;
 297         struct ws_win                   *win;
 298         xcb_gcontext_t                  gc;
 299         xcb_window_t                    indicator;
 300 };
 301 TAILQ_HEAD(search_winlist, search_window);
 302 struct search_winlist                   search_wl;
 303
 304 /* search actions */
 305 enum {
 306         SWM_SEARCH_NONE,
 307         SWM_SEARCH_UNICONIFY,
 308         SWM_SEARCH_NAME_WORKSPACE,
 309         SWM_SEARCH_SEARCH_WORKSPACE,
 310         SWM_SEARCH_SEARCH_WINDOW
 311 };
 312
 313 #define SWM_STACK_TOP           (0)
 314 #define SWM_STACK_BOTTOM        (1)
 315 #define SWM_STACK_ABOVE         (2)
 316 #define SWM_STACK_BELOW         (3)
 317
 318 /* dialog windows */
 319 double                  dialog_ratio = 0.6;
 320 /* status bar */
 321 #define SWM_BAR_MAX             (256)
 322 #define SWM_BAR_JUSTIFY_LEFT    (0)
 323 #define SWM_BAR_JUSTIFY_CENTER  (1)
 324 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 325 #define SWM_BAR_OFFSET          (4)
 326 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 327                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 328                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 329                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 330                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 331
 332 char                    *bar_argv[] = { NULL, NULL };
 333 int                     bar_pipe[2];
 334 unsigned char           bar_ext[SWM_BAR_MAX];
 335 char                    bar_vertext[SWM_BAR_MAX];
 336 int                     bar_version = 0;
 337 sig_atomic_t            bar_alarm = 0;
 338 int                     bar_delay = 30;
 339 int                     bar_enabled = 1;
 340 int                     bar_border_width = 1;
 341 int                     bar_at_bottom = 0;
 342 int                     bar_extra = 1;
 343 int                     bar_extra_running = 0;
 344 int                     bar_verbose = 1;
 345 int                     bar_height = 0;
 346 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 347 char                    *bar_format = NULL;
 348 int                     stack_enabled = 1;
 349 int                     clock_enabled = 1;
 350 int                     urgent_enabled = 0;
 351 char                    *clock_format = NULL;
 352 int                     title_name_enabled = 0;
 353 int                     title_class_enabled = 0;
 354 int                     window_name_enabled = 0;
 355 int                     focus_mode = SWM_FOCUS_DEFAULT;
 356 int                     focus_close = SWM_STACK_BELOW;
 357 int                     focus_close_wrap = 1;
 358 int                     focus_default = SWM_STACK_TOP;
 359 int                     spawn_position = SWM_STACK_TOP;
 360 int                     disable_border = 0;
 361 int                     border_width = 1;
 362 int                     verbose_layout = 0;
 363 time_t                  time_started;
 364 pid_t                   bar_pid;
 365 XftFont                 *bar_font;
 366 char                    *bar_fonts;
 367 XftColor                bar_font_color;
 368 struct passwd           *pwd;
 369
 370 /* layout manager data */
 371 struct swm_geometry {
 372         int                     x;
 373         int                     y;
 374         int                     w;
 375         int                     h;
 376 };
 377
 378 struct swm_screen;
 379 struct workspace;
 380
 381 struct swm_bar {
 382         xcb_window_t            id;
 383         xcb_pixmap_t            buffer;
 384         struct swm_geometry     g;
 385 };
 386
 387 /* virtual "screens" */
 388 struct swm_region {
 389         TAILQ_ENTRY(swm_region) entry;
 390         struct swm_geometry     g;
 391         struct workspace        *ws;    /* current workspace on this region */
 392         struct workspace        *ws_prior; /* prior workspace on this region */
 393         struct swm_screen       *s;     /* screen idx */
 394         struct swm_bar          *bar;
 395 };
 396 TAILQ_HEAD(swm_region_list, swm_region);
 397
 398 struct ws_win {
 399         TAILQ_ENTRY(ws_win)     entry;
 400         xcb_window_t            id;
 401         xcb_window_t            transient;
 402         struct ws_win           *child_trans;   /* transient child window */
 403         struct swm_geometry     g;              /* current geometry */
 404         struct swm_geometry     g_float;        /* region coordinates */
 405         int                     g_floatvalid;   /* g_float geometry validity */
 406         int                     floatmaxed;     /* whether maxed by max_stack */
 407         int                     floating;
 408         int                     manual;
 409         int32_t                 iconic;
 410         int                     bordered;
 411         unsigned int            ewmh_flags;
 412         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 413         int                     font_steps;
 414         int                     last_inc;
 415         int                     can_delete;
 416         int                     take_focus;
 417         int                     java;
 418         unsigned long           quirks;
 419         struct workspace        *ws;    /* always valid */
 420         struct swm_screen       *s;     /* always valid, never changes */
 421         xcb_get_geometry_reply_t        *wa;
 422         xcb_size_hints_t        sh;
 423         xcb_icccm_get_wm_class_reply_t  ch;
 424         xcb_icccm_wm_hints_t    hints;
 425 };
 426 TAILQ_HEAD(ws_win_list, ws_win);
 427
 428 /* pid goo */
 429 struct pid_e {
 430         TAILQ_ENTRY(pid_e)      entry;
 431         pid_t                   pid;
 432         int                     ws;
 433 };
 434 TAILQ_HEAD(pid_list, pid_e);
 435 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 436
 437 /* layout handlers */
 438 void    stack(void);
 439 void    vertical_config(struct workspace *, int);
 440 void    vertical_stack(struct workspace *, struct swm_geometry *);
 441 void    horizontal_config(struct workspace *, int);
 442 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 443 void    max_stack(struct workspace *, struct swm_geometry *);
 444 void    plain_stacker(struct workspace *);
 445 void    fancy_stacker(struct workspace *);
 446
 447 struct layout {
 448         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 449         void            (*l_config)(struct workspace *, int);
 450         u_int32_t       flags;
 451 #define SWM_L_FOCUSPREV         (1<<0)
 452 #define SWM_L_MAPONFOCUS        (1<<1)
 453         void            (*l_string)(struct workspace *);
 454 } layouts[] =  {
 455         /* stack,               configure */
 456         { vertical_stack,       vertical_config,        0,      plain_stacker },
 457         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 458         { max_stack,            NULL,
 459           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 460         { NULL,                 NULL,                   0,      NULL  },
 461 };
 462
 463 /* position of max_stack mode in the layouts array, index into layouts! */
 464 #define SWM_V_STACK             (0)
 465 #define SWM_H_STACK             (1)
 466 #define SWM_MAX_STACK           (2)
 467
 468 #define SWM_H_SLICE             (32)
 469 #define SWM_V_SLICE             (32)
 470
 471 /* define work spaces */
 472 struct workspace {
 473         int                     idx;            /* workspace index */
 474         char                    *name;          /* workspace name */
 475         int                     always_raise;   /* raise windows on focus */
 476         struct layout           *cur_layout;    /* current layout handlers */
 477         struct ws_win           *focus;         /* may be NULL */
 478         struct ws_win           *focus_prev;    /* may be NULL */
 479         struct swm_region       *r;             /* may be NULL */
 480         struct swm_region       *old_r;         /* may be NULL */
 481         struct ws_win_list      winlist;        /* list of windows in ws */
 482         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 483         char                    stacker[10];    /* display stacker and layout */
 484
 485         /* stacker state */
 486         struct {
 487                                 int horizontal_msize;
 488                                 int horizontal_mwin;
 489                                 int horizontal_stacks;
 490                                 int horizontal_flip;
 491                                 int vertical_msize;
 492                                 int vertical_mwin;
 493                                 int vertical_stacks;
 494                                 int vertical_flip;
 495         } l_state;
 496 };
 497
 498 enum {
 499         SWM_S_COLOR_BAR,
 500         SWM_S_COLOR_BAR_BORDER,
 501         SWM_S_COLOR_BAR_FONT,
 502         SWM_S_COLOR_FOCUS,
 503         SWM_S_COLOR_UNFOCUS,
 504         SWM_S_COLOR_MAX
 505 };
 506
 507 /* physical screen mapping */
 508 #define SWM_WS_MAX              (22)    /* hard limit */
 509 int             workspace_limit = 10;   /* soft limit */
 510
 511 struct swm_screen {
 512         int                     idx;    /* screen index */
 513         struct swm_region_list  rl;     /* list of regions on this screen */
 514         struct swm_region_list  orl;    /* list of old regions */
 515         xcb_window_t            root;
 516         struct workspace        ws[SWM_WS_MAX];
 517
 518         /* colors */
 519         struct {
 520                 uint32_t        pixel;
 521                 char            *name;
 522         } c[SWM_S_COLOR_MAX];
 523
 524         xcb_gcontext_t          bar_gc;
 525 };
 526 struct swm_screen       *screens;
 527
 528 /* args to functions */
 529 union arg {
 530         int                     id;
 531 #define SWM_ARG_ID_FOCUSNEXT    (0)
 532 #define SWM_ARG_ID_FOCUSPREV    (1)
 533 #define SWM_ARG_ID_FOCUSMAIN    (2)
 534 #define SWM_ARG_ID_FOCUSCUR     (4)
 535 #define SWM_ARG_ID_SWAPNEXT     (10)
 536 #define SWM_ARG_ID_SWAPPREV     (11)
 537 #define SWM_ARG_ID_SWAPMAIN     (12)
 538 #define SWM_ARG_ID_MOVELAST     (13)
 539 #define SWM_ARG_ID_MASTERSHRINK (20)
 540 #define SWM_ARG_ID_MASTERGROW   (21)
 541 #define SWM_ARG_ID_MASTERADD    (22)
 542 #define SWM_ARG_ID_MASTERDEL    (23)
 543 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 544 #define SWM_ARG_ID_STACKRESET   (30)
 545 #define SWM_ARG_ID_STACKINIT    (31)
 546 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 547 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 548 #define SWM_ARG_ID_CYCLESC_UP   (42)
 549 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 550 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 551 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 552 #define SWM_ARG_ID_STACKINC     (50)
 553 #define SWM_ARG_ID_STACKDEC     (51)
 554 #define SWM_ARG_ID_SS_ALL       (60)
 555 #define SWM_ARG_ID_SS_WINDOW    (61)
 556 #define SWM_ARG_ID_DONTCENTER   (70)
 557 #define SWM_ARG_ID_CENTER       (71)
 558 #define SWM_ARG_ID_KILLWINDOW   (80)
 559 #define SWM_ARG_ID_DELETEWINDOW (81)
 560 #define SWM_ARG_ID_WIDTHGROW    (90)
 561 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 562 #define SWM_ARG_ID_HEIGHTGROW   (92)
 563 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 564 #define SWM_ARG_ID_MOVEUP       (100)
 565 #define SWM_ARG_ID_MOVEDOWN     (101)
 566 #define SWM_ARG_ID_MOVELEFT     (102)
 567 #define SWM_ARG_ID_MOVERIGHT    (103)
 568         char                    **argv;
 569 };
 570
 571 /* quirks */
 572 struct quirk {
 573         TAILQ_ENTRY(quirk)      entry;
 574         char                    *class;
 575         char                    *name;
 576         unsigned long           quirk;
 577 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 578 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 579 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 580 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 581 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 582 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 583 };
 584 TAILQ_HEAD(quirk_list, quirk);
 585 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 586
 587 /*
 588  * Supported EWMH hints should be added to
 589  * both the enum and the ewmh array
 590  */
 591 enum {
 592         _NET_ACTIVE_WINDOW,
 593         _NET_CLOSE_WINDOW,
 594         _NET_MOVERESIZE_WINDOW,
 595         _NET_WM_ACTION_CLOSE,
 596         _NET_WM_ACTION_FULLSCREEN,
 597         _NET_WM_ACTION_MOVE,
 598         _NET_WM_ACTION_RESIZE,
 599         _NET_WM_ALLOWED_ACTIONS,
 600         _NET_WM_STATE,
 601         _NET_WM_STATE_ABOVE,
 602         _NET_WM_STATE_FULLSCREEN,
 603         _NET_WM_STATE_HIDDEN,
 604         _NET_WM_STATE_MAXIMIZED_HORZ,
 605         _NET_WM_STATE_MAXIMIZED_VERT,
 606         _NET_WM_STATE_SKIP_PAGER,
 607         _NET_WM_STATE_SKIP_TASKBAR,
 608         _NET_WM_WINDOW_TYPE,
 609         _NET_WM_WINDOW_TYPE_DIALOG,
 610         _NET_WM_WINDOW_TYPE_DOCK,
 611         _NET_WM_WINDOW_TYPE_NORMAL,
 612         _NET_WM_WINDOW_TYPE_SPLASH,
 613         _NET_WM_WINDOW_TYPE_TOOLBAR,
 614         _NET_WM_WINDOW_TYPE_UTILITY,
 615         _SWM_WM_STATE_MANUAL,
 616         SWM_EWMH_HINT_MAX
 617 };
 618
 619 struct ewmh_hint {
 620         char            *name;
 621         xcb_atom_t      atom;
 622 } ewmh[SWM_EWMH_HINT_MAX] =     {
 623     /* must be in same order as in the enum */
 624     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 625     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 626     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 627     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 628     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 629     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 630     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 631     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 632     {"_NET_WM_STATE", XCB_ATOM_NONE},
 633     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 634     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 635     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 636     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 637     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 638     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 639     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 640     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 641     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 642     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 643     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 644     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 645     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 646     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 647     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 648 };
 649
 650 /* function prototypes */
 651 void     buttonpress(xcb_button_press_event_t *);
 652 void     clientmessage(xcb_client_message_event_t *);
 653 int      conf_load(char *, int);
 654 void     configurenotify(xcb_configure_notify_event_t *);
 655 void     configurerequest(xcb_configure_request_event_t *);
 656 void     constrain_window(struct ws_win *, struct swm_region *, int);
 657 void     destroynotify(xcb_destroy_notify_event_t *);
 658 void     do_sync(void);
 659 void     enternotify(xcb_enter_notify_event_t *);
 660 void     event_error(xcb_generic_error_t *);
 661 void     event_handle(xcb_generic_event_t *);
 662 void     expose(xcb_expose_event_t *);
 663 struct ws_win   *find_window(xcb_window_t);
 664 int      floating_toggle_win(struct ws_win *);
 665 void     focus(struct swm_region *, union arg *);
 666 void     focus_magic(struct ws_win *);
 667 #ifdef SWM_DEBUG
 668 void     focusin(xcb_focus_in_event_t *);
 669 #endif
 670 xcb_atom_t get_atom_from_string(const char *);
 671 #ifdef SWM_DEBUG
 672 char    *get_atom_name(xcb_atom_t);
 673 char    *get_notify_detail_label(uint8_t);
 674 char    *get_notify_mode_label(uint8_t);
 675 #endif
 676 xcb_screen_t    *get_screen(int);
 677 char    *get_win_name(xcb_window_t);
 678 uint32_t getstate(xcb_window_t);
 679 void     grabbuttons(struct ws_win *, int);
 680 void     keypress(xcb_key_press_event_t *);
 681 #ifdef SWM_DEBUG
 682 void     leavenotify(xcb_leave_notify_event_t *);
 683 #endif
 684 void     map_window_raised(xcb_window_t);
 685 void     mapnotify(xcb_map_notify_event_t *);
 686 void     mappingnotify(xcb_mapping_notify_event_t *);
 687 void     maprequest(xcb_map_request_event_t *);
 688 void     new_region(struct swm_screen *, int, int, int, int);
 689 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 690 void     propertynotify(xcb_property_notify_event_t *);
 691 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 692 void     screenchange(xcb_randr_screen_change_notify_event_t *);
 693 void     store_float_geom(struct ws_win *, struct swm_region *);
 694 void     unmanage_window(struct ws_win *);
 695 void     unmapnotify(xcb_unmap_notify_event_t *);
 696 void     update_window(struct ws_win *);
 697 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
 698
 699 int
 700 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 701 {
 702         unsigned int    tmpr, tmpg, tmpb;
 703
 704         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 705                 return (-1);
 706
 707         *rr = RGB_8_TO_16(tmpr);
 708         *gg = RGB_8_TO_16(tmpg);
 709         *bb = RGB_8_TO_16(tmpb);
 710
 711         return (0);
 712 }
 713
 714 xcb_screen_t *
 715 get_screen(int screen)
 716 {
 717         xcb_screen_iterator_t i;
 718
 719         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 720         for (; i.rem; --screen, xcb_screen_next(&i))
 721                 if (screen == 0)
 722                         return (i.data);
 723
 724         return (NULL);
 725 }
 726
 727 void
 728 do_sync(void)
 729 {
 730         xcb_get_input_focus_cookie_t    c;
 731         xcb_get_input_focus_reply_t     *r;
 732
 733         /* mimic XSync() */
 734         c = xcb_get_input_focus(conn);
 735         xcb_flush(conn);
 736         r = xcb_get_input_focus_reply(conn, c, NULL);
 737         if (r)
 738                 free(r);
 739 }
 740
 741 void
 742 map_window_raised(xcb_window_t win)
 743 {
 744         uint32_t        val = XCB_STACK_MODE_ABOVE;
 745
 746         xcb_configure_window(conn, win,
 747             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 748
 749         xcb_map_window(conn, win);
 750 }
 751
 752 xcb_atom_t
 753 get_atom_from_string(const char *str)
 754 {
 755         xcb_intern_atom_cookie_t        c;
 756         xcb_intern_atom_reply_t         *r;
 757         xcb_atom_t                      atom;
 758
 759         c = xcb_intern_atom(conn, 0, strlen(str), str);
 760         r = xcb_intern_atom_reply(conn, c, NULL);
 761         if (r) {
 762                 atom = r->atom;
 763                 free(r);
 764
 765                 return (atom);
 766         }
 767
 768         return (XCB_ATOM_NONE);
 769 }
 770
 771 void
 772 update_iconic(struct ws_win *win, int newv)
 773 {
 774         int32_t                         v = newv;
 775
 776         win->iconic = newv;
 777
 778         if (newv)
 779                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 780                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
 781         else
 782                 xcb_delete_property(conn, win->id, a_swm_iconic);
 783 }
 784
 785 int32_t
 786 get_iconic(struct ws_win *win)
 787 {
 788         int32_t                         v = 0;
 789         xcb_get_property_reply_t        *pr = NULL;
 790
 791
 792         pr = xcb_get_property_reply(conn,
 793             xcb_get_property(conn, 0, win->id, a_swm_iconic,
 794             XCB_ATOM_INTEGER, 0, 1), NULL);
 795         if (!pr)
 796                 goto out;
 797         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 798                 goto out;
 799         v = *((int32_t *)xcb_get_property_value(pr));
 800 out:
 801         if (pr)
 802                 free(pr);
 803         return (v);
 804 }
 805
 806 void
 807 setup_ewmh(void)
 808 {
 809         xcb_atom_t                      sup_list;
 810         int                             i, j, num_screens;
 811
 812         sup_list = get_atom_from_string("_NET_SUPPORTED");
 813
 814         for (i = 0; i < LENGTH(ewmh); i++)
 815                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 816
 817         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 818         for (i = 0; i < num_screens; i++) {
 819                 /* Support check window will be created by workaround(). */
 820
 821                 /* Report supported atoms */
 822                 xcb_delete_property(conn, screens[i].root, sup_list);
 823                 for (j = 0; j < LENGTH(ewmh); j++)
 824                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 825                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 826                             &ewmh[j].atom);
 827         }
 828 }
 829
 830 void
 831 teardown_ewmh(void)
 832 {
 833         int                             i, num_screens;
 834         xcb_atom_t                      sup_check, sup_list;
 835         xcb_window_t                    id;
 836         xcb_get_property_cookie_t       pc;
 837         xcb_get_property_reply_t        *pr;
 838
 839         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 840         sup_list = get_atom_from_string("_NET_SUPPORTED");
 841         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 842
 843         for (i = 0; i < num_screens; i++) {
 844                 /* Get the support check window and destroy it */
 845                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
 846                     XCB_ATOM_WINDOW, 0, 1);
 847                 pr = xcb_get_property_reply(conn, pc, NULL);
 848                 if (!pr)
 849                         continue;
 850                 if (pr->format == sup_check) {
 851                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 852
 853                         xcb_destroy_window(conn, id);
 854                         xcb_delete_property(conn, screens[i].root, sup_check);
 855                         xcb_delete_property(conn, screens[i].root, sup_list);
 856                 }
 857                 free(pr);
 858         }
 859 }
 860
 861 void
 862 ewmh_autoquirk(struct ws_win *win)
 863 {
 864         uint32_t                i, n;
 865         xcb_atom_t              *type;
 866         xcb_get_property_cookie_t       c;
 867         xcb_get_property_reply_t        *r;
 868
 869         c = xcb_get_property(conn, 0, win->id,
 870             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 871         r = xcb_get_property_reply(conn, c, NULL);
 872         if (!r)
 873                 return;
 874
 875         n = xcb_get_property_value_length(r);
 876         type = xcb_get_property_value(r);
 877
 878         for (i = 0; i < n; i++) {
 879                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 880                         break;
 881                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 882                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 883                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 884                         win->floating = 1;
 885                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 886                         break;
 887                 }
 888                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 889                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 890                         win->floating = 1;
 891                         win->quirks = SWM_Q_FLOAT;
 892                         break;
 893                 }
 894         }
 895         free(r);
 896 }
 897
 898 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 899 #define EWMH_F_FULLSCREEN               (1<<0)
 900 #define EWMH_F_ABOVE                    (1<<1)
 901 #define EWMH_F_HIDDEN                   (1<<2)
 902 #define EWMH_F_SKIP_PAGER               (1<<3)
 903 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 904 #define SWM_F_MANUAL                    (1<<5)
 905
 906 int
 907 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 908 {
 909         if (!win->ws->r)
 910                 return (0);
 911
 912         if (!win->floating)
 913                 return (0);
 914
 915         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 916             "fullscreen %s\n", win->id, YESNO(fs));
 917
 918         if (fs) {
 919                 if (!win->g_floatvalid)
 920                         store_float_geom(win, win->ws->r);
 921
 922                 win->g = win->ws->r->g;
 923                 win->bordered = 0;
 924         } else {
 925                 if (win->g_floatvalid) {
 926                         /* refloat at last floating relative position */
 927                         win->g = win->g_float;
 928                         X(win) += X(win->ws->r);
 929                         Y(win) += Y(win->ws->r);
 930                 }
 931         }
 932
 933         return (1);
 934 }
 935
 936 void
 937 ewmh_update_actions(struct ws_win *win)
 938 {
 939         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 940         int                     n = 0;
 941
 942         if (win == NULL)
 943                 return;
 944
 945         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 946
 947         if (win->floating) {
 948                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 949                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 950         }
 951
 952         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 953             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
 954 }
 955
 956 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 957 #define _NET_WM_STATE_ADD       1    /* add/set property */
 958 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 959
 960 void
 961 ewmh_update_win_state(struct ws_win *win, long state, long action)
 962 {
 963         unsigned int            mask = 0;
 964         unsigned int            changed = 0;
 965         unsigned int            orig_flags;
 966
 967         if (win == NULL)
 968                 return;
 969
 970         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
 971             "action: %ld\n", win->id, state, action);
 972
 973         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 974                 mask = EWMH_F_FULLSCREEN;
 975         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 976                 mask = EWMH_F_ABOVE;
 977         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 978                 mask = SWM_F_MANUAL;
 979         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 980                 mask = EWMH_F_SKIP_PAGER;
 981         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 982                 mask = EWMH_F_SKIP_TASKBAR;
 983
 984
 985         orig_flags = win->ewmh_flags;
 986
 987         switch (action) {
 988         case _NET_WM_STATE_REMOVE:
 989                 win->ewmh_flags &= ~mask;
 990                 break;
 991         case _NET_WM_STATE_ADD:
 992                 win->ewmh_flags |= mask;
 993                 break;
 994         case _NET_WM_STATE_TOGGLE:
 995                 win->ewmh_flags ^= mask;
 996                 break;
 997         }
 998
 999         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1000
1001         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1002                 if (changed)
1003                         if (!floating_toggle_win(win))
1004                                 win->ewmh_flags = orig_flags; /* revert */
1005         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1006                 if (changed)
1007                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1008         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1009                 if (changed)
1010                         if (!ewmh_set_win_fullscreen(win,
1011                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1012                                 win->ewmh_flags = orig_flags; /* revert */
1013
1014         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1015
1016         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1017                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1018                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1019                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1020         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1021                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1022                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1023                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1024         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1025                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1026                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1027                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1028         if (win->ewmh_flags & EWMH_F_ABOVE)
1029                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1030                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1031                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1032         if (win->ewmh_flags & SWM_F_MANUAL)
1033                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1034                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1035                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1036 }
1037
1038 void
1039 ewmh_get_win_state(struct ws_win *win)
1040 {
1041         xcb_atom_t                      *states;
1042         xcb_get_property_cookie_t       c;
1043         xcb_get_property_reply_t        *r;
1044         int                             i, n;
1045
1046         if (win == NULL)
1047                 return;
1048
1049         win->ewmh_flags = 0;
1050         if (win->floating)
1051                 win->ewmh_flags |= EWMH_F_ABOVE;
1052         if (win->manual)
1053                 win->ewmh_flags |= SWM_F_MANUAL;
1054
1055         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1056             XCB_ATOM_ATOM, 0, UINT32_MAX);
1057         r = xcb_get_property_reply(conn, c, NULL);
1058         if (!r)
1059                 return;
1060
1061         states = xcb_get_property_value(r);
1062         n = xcb_get_property_value_length(r);
1063
1064         for (i = 0; i < n; i++)
1065                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1066
1067         free(r);
1068 }
1069
1070 /* events */
1071 #ifdef SWM_DEBUG
1072 void
1073 dumpwins(struct swm_region *r, union arg *args)
1074 {
1075         struct ws_win                           *win;
1076         uint32_t                                state;
1077         xcb_get_window_attributes_cookie_t      c;
1078         xcb_get_window_attributes_reply_t       *wa;
1079
1080         /* suppress unused warning since var is needed */
1081         (void)args;
1082
1083         if (r->ws == NULL) {
1084                 warnx("dumpwins: invalid workspace");
1085                 return;
1086         }
1087
1088         warnx("=== managed window list ws %02d ===", r->ws->idx);
1089         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1090                 state = getstate(win->id);
1091                 c = xcb_get_window_attributes(conn, win->id);
1092                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1093                 if (wa) {
1094                         warnx("window: 0x%x, map_state: %d, state: %u, "
1095                             "transient: 0x%x", win->id, wa->map_state,
1096                             state, win->transient);
1097                         free(wa);
1098                 } else
1099                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1100                             win->id);
1101         }
1102
1103         warnx("===== unmanaged window list =====");
1104         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1105                 state = getstate(win->id);
1106                 c = xcb_get_window_attributes(conn, win->id);
1107                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1108                 if (wa) {
1109                         warnx("window: 0x%x, map_state: %d, state: %u, "
1110                             "transient: 0x%x", win->id, wa->map_state,
1111                             state, win->transient);
1112                         free(wa);
1113                 } else
1114                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1115                             win->id);
1116         }
1117
1118         warnx("=================================");
1119 }
1120 #else
1121 void
1122 dumpwins(struct swm_region *r, union arg *args)
1123 {
1124 }
1125 #endif /* SWM_DEBUG */
1126
1127 void
1128 sighdlr(int sig)
1129 {
1130         int                     saved_errno, status;
1131         pid_t                   pid;
1132
1133         saved_errno = errno;
1134
1135         switch (sig) {
1136         case SIGCHLD:
1137                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1138                         if (pid == -1) {
1139                                 if (errno == EINTR)
1140                                         continue;
1141 #ifdef SWM_DEBUG
1142                                 if (errno != ECHILD)
1143                                         warn("sighdlr: waitpid");
1144 #endif /* SWM_DEBUG */
1145                                 break;
1146                         }
1147                         if (pid == searchpid)
1148                                 search_resp = 1;
1149
1150 #ifdef SWM_DEBUG
1151                         if (WIFEXITED(status)) {
1152                                 if (WEXITSTATUS(status) != 0)
1153                                         warnx("sighdlr: child exit status: %d",
1154                                             WEXITSTATUS(status));
1155                         } else
1156                                 warnx("sighdlr: child is terminated "
1157                                     "abnormally");
1158 #endif /* SWM_DEBUG */
1159                 }
1160                 break;
1161
1162         case SIGHUP:
1163                 restart_wm = 1;
1164                 break;
1165         case SIGINT:
1166         case SIGTERM:
1167         case SIGQUIT:
1168                 running = 0;
1169                 break;
1170         }
1171
1172         errno = saved_errno;
1173 }
1174
1175 struct pid_e *
1176 find_pid(pid_t pid)
1177 {
1178         struct pid_e            *p = NULL;
1179
1180         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1181
1182         if (pid == 0)
1183                 return (NULL);
1184
1185         TAILQ_FOREACH(p, &pidlist, entry) {
1186                 if (p->pid == pid)
1187                         return (p);
1188         }
1189
1190         return (NULL);
1191 }
1192
1193 uint32_t
1194 name_to_pixel(const char *colorname)
1195 {
1196         uint32_t                        result = 0;
1197         char                            cname[32] = "#";
1198         xcb_screen_t                    *screen;
1199         xcb_colormap_t                  cmap;
1200         xcb_alloc_color_reply_t         *cr;
1201         xcb_alloc_named_color_reply_t   *nr;
1202         uint16_t                        rr, gg, bb;
1203
1204         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1205         cmap = screen->default_colormap;
1206
1207         /* color is in format rgb://rr/gg/bb */
1208         if (strncmp(colorname, "rgb:", 4) == 0) {
1209                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1210                         warnx("could not parse rgb %s", colorname);
1211                 else {
1212                         cr = xcb_alloc_color_reply(conn,
1213                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1214                             NULL);
1215                         if (cr) {
1216                                 result = cr->pixel;
1217                                 free(cr);
1218                         } else
1219                                 warnx("color '%s' not found", colorname);
1220                 }
1221         } else {
1222                 nr = xcb_alloc_named_color_reply(conn,
1223                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1224                             colorname), NULL);
1225                 if (!nr) {
1226                         strlcat(cname, colorname + 2, sizeof cname - 1);
1227                         nr = xcb_alloc_named_color_reply(conn,
1228                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1229                             cname), NULL);
1230                 }
1231                 if (nr) {
1232                         result = nr->pixel;
1233                         free(nr);
1234                 } else
1235                         warnx("color '%s' not found", colorname);
1236         }
1237
1238         return (result);
1239 }
1240
1241 void
1242 setscreencolor(char *val, int i, int c)
1243 {
1244         int     num_screens;
1245
1246         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1247         if (i > 0 && i <= num_screens) {
1248                 screens[i - 1].c[c].pixel = name_to_pixel(val);
1249                 free(screens[i - 1].c[c].name);
1250                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1251                         err(1, "strdup");
1252         } else if (i == -1) {
1253                 for (i = 0; i < num_screens; i++) {
1254                         screens[i].c[c].pixel = name_to_pixel(val);
1255                         free(screens[i].c[c].name);
1256                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1257                                 err(1, "strdup");
1258                 }
1259         } else
1260                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1261                     i, num_screens);
1262 }
1263
1264 void
1265 fancy_stacker(struct workspace *ws)
1266 {
1267         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1268         if (ws->cur_layout->l_stack == vertical_stack)
1269                 snprintf(ws->stacker, sizeof ws->stacker,
1270                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1271                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1272         if (ws->cur_layout->l_stack == horizontal_stack)
1273                 snprintf(ws->stacker, sizeof ws->stacker,
1274                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1275                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1276 }
1277
1278 void
1279 plain_stacker(struct workspace *ws)
1280 {
1281         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1282         if (ws->cur_layout->l_stack == vertical_stack)
1283                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1284                     sizeof ws->stacker);
1285         if (ws->cur_layout->l_stack == horizontal_stack)
1286                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1287                     sizeof ws->stacker);
1288 }
1289
1290 void
1291 custom_region(char *val)
1292 {
1293         unsigned int                    x, y, w, h;
1294         int                             sidx, num_screens;
1295         xcb_screen_t                    *screen;
1296
1297         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1298         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1299                 errx(1, "invalid custom region, "
1300                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1301         if (sidx < 1 || sidx > num_screens)
1302                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1303                     sidx, num_screens);
1304         sidx--;
1305
1306         screen = get_screen(sidx);
1307         if (w < 1 || h < 1)
1308                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1309
1310         if (x > screen->width_in_pixels ||
1311             y > screen->height_in_pixels ||
1312             w + x > screen->width_in_pixels ||
1313             h + y > screen->height_in_pixels) {
1314                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1315                     "boundaries (%ux%u)", w, h, x, y,
1316                     screen->width_in_pixels, screen->height_in_pixels);
1317                 return;
1318         }
1319
1320         new_region(&screens[sidx], x, y, w, h);
1321 }
1322
1323 void
1324 socket_setnonblock(int fd)
1325 {
1326         int                     flags;
1327
1328         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1329                 err(1, "fcntl F_GETFL");
1330         flags |= O_NONBLOCK;
1331         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1332                 err(1, "fcntl F_SETFL");
1333 }
1334
1335 void
1336 bar_print(struct swm_region *r, const char *s)
1337 {
1338         size_t                          len;
1339         xcb_rectangle_t                 rect;
1340         uint32_t                        gcv[1];
1341         int32_t                         x = 0;
1342         XGlyphInfo                      info;
1343         XftDraw                         *draw;
1344
1345         len = strlen(s);
1346
1347         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1348
1349         switch (bar_justify) {
1350         case SWM_BAR_JUSTIFY_LEFT:
1351                 x = SWM_BAR_OFFSET;
1352                 break;
1353         case SWM_BAR_JUSTIFY_CENTER:
1354                 x = (WIDTH(r) - info.width) / 2;
1355                 break;
1356         case SWM_BAR_JUSTIFY_RIGHT:
1357                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1358                 break;
1359         }
1360
1361         if (x < SWM_BAR_OFFSET)
1362                 x = SWM_BAR_OFFSET;
1363
1364         rect.x = 0;
1365         rect.y = 0;
1366         rect.width = WIDTH(r->bar);
1367         rect.height = HEIGHT(r->bar);
1368
1369         /* clear back buffer */
1370         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1371         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1372         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1373             sizeof(rect), &rect);
1374
1375         /* draw back buffer */
1376         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1377         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_BACKGROUND, gcv);
1378         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].pixel;
1379         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1380
1381         draw = XftDrawCreate(display, r->bar->buffer,
1382             DefaultVisual(display, r->s->idx),
1383             DefaultColormap(display, r->s->idx));
1384
1385         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1386             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1387             (FcChar8 *)s, len);
1388
1389         XftDrawDestroy(draw);
1390
1391         /* blt */
1392         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1393             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1394 }
1395
1396 void
1397 bar_extra_stop(void)
1398 {
1399         if (bar_pipe[0]) {
1400                 close(bar_pipe[0]);
1401                 bzero(bar_pipe, sizeof bar_pipe);
1402         }
1403         if (bar_pid) {
1404                 kill(bar_pid, SIGTERM);
1405                 bar_pid = 0;
1406         }
1407         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1408         bar_extra = 0;
1409 }
1410
1411 void
1412 bar_class_name(char *s, size_t sz, struct swm_region *r)
1413 {
1414         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1415                 return;
1416         if (r->ws->focus->ch.class_name != NULL)
1417                 strlcat(s, r->ws->focus->ch.class_name, sz);
1418 }
1419
1420 void
1421 bar_title_name(char *s, size_t sz, struct swm_region *r)
1422 {
1423         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1424                 return;
1425         if (r->ws->focus->ch.instance_name != NULL)
1426                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1427 }
1428
1429 void
1430 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1431 {
1432         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1433                 return;
1434
1435         bar_class_name(s, sz, r);
1436         strlcat(s, ":", sz);
1437         bar_title_name(s, sz, r);
1438 }
1439
1440 void
1441 bar_window_float(char *s, size_t sz, struct swm_region *r)
1442 {
1443         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1444                 return;
1445         if (r->ws->focus->floating)
1446                 strlcat(s, "(f)", sz);
1447 }
1448
1449 void
1450 bar_window_name(char *s, size_t sz, struct swm_region *r)
1451 {
1452         char            *title;
1453
1454         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1455                 return;
1456         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1457                 return;
1458
1459         strlcat(s, title, sz);
1460         free(title);
1461 }
1462
1463 int             urgent[SWM_WS_MAX];
1464 void
1465 bar_urgent(char *s, size_t sz)
1466 {
1467         struct ws_win           *win;
1468         int                     i, j, num_screens;
1469         char                    b[8];
1470         xcb_get_property_cookie_t       c;
1471         xcb_icccm_wm_hints_t    hints;
1472
1473         for (i = 0; i < workspace_limit; i++)
1474                 urgent[i] = 0;
1475
1476         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1477         for (i = 0; i < num_screens; i++)
1478                 for (j = 0; j < workspace_limit; j++)
1479                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1480                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1481                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1482                                     &hints, NULL) == 0)
1483                                         continue;
1484                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1485                                         urgent[j] = 1;
1486                         }
1487
1488         for (i = 0; i < workspace_limit; i++) {
1489                 if (urgent[i])
1490                         snprintf(b, sizeof b, "%d ", i + 1);
1491                 else
1492                         snprintf(b, sizeof b, "- ");
1493                 strlcat(s, b, sz);
1494         }
1495 }
1496
1497 void
1498 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1499 {
1500         if (r == NULL || r->ws == NULL)
1501                 return;
1502         if (r->ws->name != NULL)
1503                 strlcat(s, r->ws->name, sz);
1504 }
1505
1506 /* build the default bar format according to the defined enabled options */
1507 void
1508 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1509 {
1510         /* if format provided, just copy the buffers */
1511         if (bar_format != NULL) {
1512                 strlcpy(fmtnew, fmtexp, sz);
1513                 return;
1514         }
1515
1516         /* reset the output buffer */
1517         *fmtnew = '\0';
1518
1519         strlcat(fmtnew, "+N:+I ", sz);
1520         if (stack_enabled)
1521                 strlcat(fmtnew, "+S", sz);
1522         strlcat(fmtnew, " ", sz);
1523
1524         /* only show the workspace name if there's actually one */
1525         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1526                 strlcat(fmtnew, "<+D>", sz);
1527         strlcat(fmtnew, "+3<", sz);
1528
1529         if (clock_enabled) {
1530                 strlcat(fmtnew, fmtexp, sz);
1531                 strlcat(fmtnew, "+4<", sz);
1532         }
1533
1534         /* bar_urgent already adds the space before the last asterisk */
1535         if (urgent_enabled)
1536                 strlcat(fmtnew, "* +U*+4<", sz);
1537
1538         if (title_class_enabled) {
1539                 strlcat(fmtnew, "+C", sz);
1540                 if (title_name_enabled == 0)
1541                         strlcat(fmtnew, "+4<", sz);
1542         }
1543
1544         /* checks needed by the colon and floating strlcat(3) calls below */
1545         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1546                 if (title_name_enabled) {
1547                         if (title_class_enabled)
1548                                 strlcat(fmtnew, ":", sz);
1549                         strlcat(fmtnew, "+T+4<", sz);
1550                 }
1551                 if (window_name_enabled) {
1552                         if (r->ws->focus->floating)
1553                                 strlcat(fmtnew, "+F ", sz);
1554                         strlcat(fmtnew, "+64W ", sz);
1555                 }
1556         }
1557
1558         /* finally add the action script output and the version */
1559         strlcat(fmtnew, "+4<+A+4<+V", sz);
1560 }
1561
1562 void
1563 bar_replace_pad(char *tmp, int *limit, size_t sz)
1564 {
1565         /* special case; no limit given, pad one space, instead */
1566         if (*limit == (int)sz - 1)
1567                 *limit = 1;
1568         snprintf(tmp, sz, "%*s", *limit, " ");
1569 }
1570
1571 /* replaces the bar format character sequences (like in tmux(1)) */
1572 char *
1573 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1574     size_t sz)
1575 {
1576         char                    *ptr;
1577         char                    tmp[SWM_BAR_MAX];
1578         int                     limit, size;
1579         size_t                  len;
1580
1581         /* reset strlcat(3) buffer */
1582         *tmp = '\0';
1583
1584         /* get number, if any */
1585         fmt++;
1586         size = 0;
1587         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1588                 limit = sizeof tmp - 1;
1589         if (limit <= 0 || limit >= (int)sizeof tmp)
1590                 limit = sizeof tmp - 1;
1591
1592         /* there is nothing to replace (ie EOL) */
1593         fmt += size;
1594         if (*fmt == '\0')
1595                 return (fmt);
1596
1597         switch (*fmt) {
1598         case '<':
1599                 bar_replace_pad(tmp, &limit, sizeof tmp);
1600                 break;
1601         case 'A':
1602                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1603                 break;
1604         case 'C':
1605                 bar_class_name(tmp, sizeof tmp, r);
1606                 break;
1607         case 'D':
1608                 bar_workspace_name(tmp, sizeof tmp, r);
1609                 break;
1610         case 'F':
1611                 bar_window_float(tmp, sizeof tmp, r);
1612                 break;
1613         case 'I':
1614                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1615                 break;
1616         case 'N':
1617                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1618                 break;
1619         case 'P':
1620                 bar_class_title_name(tmp, sizeof tmp, r);
1621                 break;
1622         case 'S':
1623                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1624                 break;
1625         case 'T':
1626                 bar_title_name(tmp, sizeof tmp, r);
1627                 break;
1628         case 'U':
1629                 bar_urgent(tmp, sizeof tmp);
1630                 break;
1631         case 'V':
1632                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1633                 break;
1634         case 'W':
1635                 bar_window_name(tmp, sizeof tmp, r);
1636                 break;
1637         default:
1638                 /* unknown character sequence; copy as-is */
1639                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1640                 break;
1641         }
1642
1643         len = strlen(tmp);
1644         ptr = tmp;
1645         if ((int)len < limit)
1646                 limit = len;
1647         while (limit-- > 0) {
1648                 if (*offrep >= sz - 1)
1649                         break;
1650                 fmtrep[(*offrep)++] = *ptr++;
1651         }
1652
1653         fmt++;
1654         return (fmt);
1655 }
1656
1657 void
1658 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1659 {
1660         size_t                  off;
1661
1662         off = 0;
1663         while (*fmt != '\0') {
1664                 if (*fmt != '+') {
1665                         /* skip ordinary characters */
1666                         if (off >= sz - 1)
1667                                 break;
1668                         fmtrep[off++] = *fmt++;
1669                         continue;
1670                 }
1671
1672                 /* character sequence found; replace it */
1673                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1674                 if (off >= sz - 1)
1675                         break;
1676         }
1677
1678         fmtrep[off] = '\0';
1679 }
1680
1681 void
1682 bar_fmt_expand(char *fmtexp, size_t sz)
1683 {
1684         char                    *fmt = NULL;
1685         size_t                  len;
1686         struct tm               tm;
1687         time_t                  tmt;
1688
1689         /* start by grabbing the current time and date */
1690         time(&tmt);
1691         localtime_r(&tmt, &tm);
1692
1693         /* figure out what to expand */
1694         if (bar_format != NULL)
1695                 fmt = bar_format;
1696         else if (bar_format == NULL && clock_enabled)
1697                 fmt = clock_format;
1698         /* if nothing to expand bail out */
1699         if (fmt == NULL) {
1700                 *fmtexp = '\0';
1701                 return;
1702         }
1703
1704         /* copy as-is, just in case the format shouldn't be expanded below */
1705         strlcpy(fmtexp, fmt, sz);
1706         /* finally pass the string through strftime(3) */
1707 #ifndef SWM_DENY_CLOCK_FORMAT
1708         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1709                 warnx("format too long");
1710         fmtexp[len] = '\0';
1711 #endif
1712 }
1713
1714 void
1715 bar_fmt_print(void)
1716 {
1717         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1718         char                    fmtrep[SWM_BAR_MAX];
1719         int                     i, num_screens;
1720         struct swm_region       *r;
1721
1722         /* expand the format by first passing it through strftime(3) */
1723         bar_fmt_expand(fmtexp, sizeof fmtexp);
1724
1725         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1726         for (i = 0; i < num_screens; i++) {
1727                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1728                         if (r->bar == NULL)
1729                                 continue;
1730                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1731                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1732                         bar_print(r, fmtrep);
1733                 }
1734         }
1735 }
1736
1737 void
1738 bar_update(void)
1739 {
1740         size_t                  len;
1741         char                    *b;
1742
1743         if (bar_enabled == 0)
1744                 return;
1745         if (bar_extra && bar_extra_running) {
1746                 /* ignore short reads; it'll correct itself */
1747                 while ((b = fgetln(stdin, &len)) != NULL)
1748                         if (b && b[len - 1] == '\n') {
1749                                 b[len - 1] = '\0';
1750                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1751                         }
1752                 if (b == NULL && errno != EAGAIN) {
1753                         warn("bar_update: bar_extra failed");
1754                         bar_extra_stop();
1755                 }
1756         } else
1757                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1758
1759         bar_fmt_print();
1760         alarm(bar_delay);
1761 }
1762
1763 void
1764 bar_signal(int sig)
1765 {
1766         /* suppress unused warning since var is needed */
1767         (void)sig;
1768
1769         bar_alarm = 1;
1770 }
1771
1772 void
1773 bar_toggle(struct swm_region *r, union arg *args)
1774 {
1775         struct swm_region       *tmpr;
1776         int                     i, num_screens;
1777
1778         /* suppress unused warnings since vars are needed */
1779         (void)r;
1780         (void)args;
1781
1782         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1783
1784         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1785         if (bar_enabled) {
1786                 for (i = 0; i < num_screens; i++)
1787                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1788                                 if (tmpr->bar)
1789                                         xcb_unmap_window(conn, tmpr->bar->id);
1790         } else {
1791                 for (i = 0; i < num_screens; i++)
1792                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1793                                 if (tmpr->bar)
1794                                         map_window_raised(tmpr->bar->id);
1795         }
1796
1797         bar_enabled = !bar_enabled;
1798
1799         stack();
1800         /* must be after stack */
1801         bar_update();
1802
1803         xcb_flush(conn);
1804 }
1805
1806 void
1807 bar_refresh(void)
1808 {
1809         struct swm_region       *r;
1810         uint32_t                wa[2];
1811         int                     i, num_screens;
1812
1813         /* do this here because the conf file is in memory */
1814         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1815                 /* launch external status app */
1816                 bar_extra_running = 1;
1817                 if (pipe(bar_pipe) == -1)
1818                         err(1, "pipe error");
1819                 socket_setnonblock(bar_pipe[0]);
1820                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1821                 if (dup2(bar_pipe[0], 0) == -1)
1822                         err(1, "dup2");
1823                 if (dup2(bar_pipe[1], 1) == -1)
1824                         err(1, "dup2");
1825                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1826                         err(1, "could not disable SIGPIPE");
1827                 switch (bar_pid = fork()) {
1828                 case -1:
1829                         err(1, "cannot fork");
1830                         break;
1831                 case 0: /* child */
1832                         close(bar_pipe[0]);
1833                         execvp(bar_argv[0], bar_argv);
1834                         err(1, "%s external app failed", bar_argv[0]);
1835                         break;
1836                 default: /* parent */
1837                         close(bar_pipe[1]);
1838                         break;
1839                 }
1840         }
1841
1842         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1843         for (i = 0; i < num_screens; i++)
1844                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1845                         if (r->bar == NULL)
1846                                 continue;
1847                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].pixel;
1848                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].pixel;
1849                         xcb_change_window_attributes(conn, r->bar->id,
1850                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1851                 }
1852         bar_update();
1853 }
1854
1855 void
1856 bar_setup(struct swm_region *r)
1857 {
1858         char                    *font, *fontpos, *dup, *search;
1859         int                     count;
1860         xcb_screen_t            *screen = get_screen(r->s->idx);
1861         uint32_t                wa[3];
1862         XRenderColor            color;
1863
1864         if (r->bar != NULL)
1865                 return;
1866
1867         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1868                 err(1, "bar_setup: calloc: failed to allocate memory.");
1869
1870         if (bar_font == NULL) {
1871                 if ((dup = strdup(bar_fonts)) == NULL)
1872                         errx(1, "insufficient memory.");
1873                 search = dup;
1874                 while ((font = strsep(&search, ",")) != NULL) {
1875                         if (*font == '\0')
1876                                 continue;
1877
1878                         DNPRINTF(SWM_D_INIT, "bar_setup: try font %s\n", font);
1879
1880                         count = 0;
1881                         fontpos = font;
1882                         while ((fontpos = index(fontpos, '-'))) {
1883                                 count++;
1884                                 fontpos++;
1885                         }
1886
1887                         if (count == 14)
1888                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
1889                                                 font);
1890                         else
1891                                 bar_font = XftFontOpenName(display, r->s->idx,
1892                                                 font);
1893                         if (!bar_font) {
1894                                 warnx("unable to load font %s", font);
1895                                 continue;
1896                         } else {
1897                                 DNPRINTF(SWM_D_INIT, "successfully opened "
1898                                     "font %s\n", font);
1899                                 break;
1900                         }
1901                 }
1902                 free(dup);
1903         }
1904
1905         if (bar_font == NULL)
1906                 errx(1, "unable to open a font");
1907
1908         bar_height = bar_font->height + 2 * bar_border_width;
1909
1910         if (bar_height < 1)
1911                 bar_height = 1;
1912
1913         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
1914
1915         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
1916             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
1917                 warn("unable to allocate Xft color");
1918
1919         X(r->bar) = X(r);
1920         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1921         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1922         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1923
1924         r->bar->id = xcb_generate_id(conn);
1925         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1926         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].pixel;
1927         wa[2] = XCB_EVENT_MASK_EXPOSURE;
1928
1929         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1930             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1931             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1932             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
1933             | XCB_CW_EVENT_MASK, wa);
1934
1935         r->bar->buffer = xcb_generate_id(conn);
1936         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1937             WIDTH(r->bar), HEIGHT(r->bar));
1938
1939         xcb_randr_select_input(conn, r->bar->id,
1940             XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1941
1942         if (bar_enabled)
1943                 map_window_raised(r->bar->id);
1944
1945         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1946             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1947             HEIGHT(r->bar));
1948
1949         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1950                 err(1, "could not install bar_signal");
1951         bar_refresh();
1952 }
1953
1954 void
1955 bar_cleanup(struct swm_region *r)
1956 {
1957         if (r->bar == NULL)
1958                 return;
1959         xcb_destroy_window(conn, r->bar->id);
1960         xcb_free_pixmap(conn, r->bar->buffer);
1961         free(r->bar);
1962         r->bar = NULL;
1963 }
1964
1965 void
1966 set_win_state(struct ws_win *win, uint16_t state)
1967 {
1968         uint16_t                data[2] = { state, XCB_ATOM_NONE };
1969
1970         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
1971
1972         if (win == NULL)
1973                 return;
1974
1975         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
1976             a_state, 32, 2, data);
1977 }
1978
1979 uint32_t
1980 getstate(xcb_window_t w)
1981 {
1982         uint32_t                        result = 0;
1983         xcb_get_property_cookie_t       c;
1984         xcb_get_property_reply_t        *r;
1985
1986         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
1987         r = xcb_get_property_reply(conn, c, NULL);
1988
1989         if (r) {
1990                 if (r->type == a_state && r->format == 32 && r->length == 2)
1991                         result = *((uint32_t *)xcb_get_property_value(r));
1992                 free(r);
1993         }
1994
1995         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
1996             result);
1997         return (result);
1998 }
1999
2000 void
2001 version(struct swm_region *r, union arg *args)
2002 {
2003         /* suppress unused warnings since vars are needed */
2004         (void)r;
2005         (void)args;
2006
2007         bar_version = !bar_version;
2008         if (bar_version)
2009                 snprintf(bar_vertext, sizeof bar_vertext,
2010                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2011         else
2012                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2013         bar_update();
2014
2015         xcb_flush(conn);
2016 }
2017
2018 void
2019 client_msg(struct ws_win *win, xcb_atom_t a)
2020 {
2021         xcb_client_message_event_t      ev;
2022
2023         if (win == NULL)
2024                 return;
2025
2026         bzero(&ev, sizeof ev);
2027         ev.response_type = XCB_CLIENT_MESSAGE;
2028         ev.window = win->id;
2029         ev.type = a_prot;
2030         ev.format = 32;
2031         ev.data.data32[0] = a;
2032         ev.data.data32[1] = XCB_CURRENT_TIME;
2033
2034         xcb_send_event(conn, 0, win->id,
2035             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2036 }
2037
2038 /* synthetic response to a ConfigureRequest when not making a change */
2039 void
2040 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2041 {
2042         xcb_configure_notify_event_t ce;
2043
2044         if (win == NULL)
2045                 return;
2046
2047         /* send notification of unchanged state. */
2048         bzero(&ce, sizeof(ce));
2049         ce.response_type = XCB_CONFIGURE_NOTIFY;
2050         ce.x = X(win);
2051         ce.y = Y(win);
2052         ce.width = WIDTH(win);
2053         ce.height = HEIGHT(win);
2054         ce.override_redirect = 0;
2055
2056         if (ev == NULL) {
2057                 /* EWMH */
2058                 ce.event = win->id;
2059                 ce.window = win->id;
2060                 ce.border_width = BORDER(win);
2061                 ce.above_sibling = XCB_WINDOW_NONE;
2062         } else {
2063                 /* normal */
2064                 ce.event = ev->window;
2065                 ce.window = ev->window;
2066
2067                 /* make response appear more WM_SIZE_HINTS-compliant */
2068                 if (win->sh.flags)
2069                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2070                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2071                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2072                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2073                             SH_INC_W(win), SH_INC_H(win));
2074
2075                 /* min size */
2076                 if (SH_MIN(win)) {
2077                         /* the hint may be set... to 0! */
2078                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2079                                 ce.width = SH_MIN_W(win);
2080                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2081                                 ce.height = SH_MIN_H(win);
2082                 }
2083
2084                 /* max size */
2085                 if (SH_MAX(win)) {
2086                         /* may also be advertized as 0 */
2087                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2088                                 ce.width = SH_MAX_W(win);
2089                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2090                                 ce.height = SH_MAX_H(win);
2091                 }
2092
2093                 /* resize increment. */
2094                 if (SH_INC(win)) {
2095                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2096                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2097                                     SH_INC_W(win);
2098                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2099                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2100                                     SH_INC_H(win);
2101                 }
2102
2103                 /* adjust x and y for requested border_width. */
2104                 ce.x += BORDER(win) - ev->border_width;
2105                 ce.y += BORDER(win) - ev->border_width;
2106                 ce.border_width = ev->border_width;
2107                 ce.above_sibling = ev->sibling;
2108         }
2109
2110         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2111             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2112             ce.y, ce.width, ce.height, ce.border_width);
2113
2114         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2115             (char *)&ce);
2116 }
2117
2118 int
2119 count_win(struct workspace *ws, int count_transient)
2120 {
2121         struct ws_win           *win;
2122         int                     count = 0;
2123
2124         TAILQ_FOREACH(win, &ws->winlist, entry) {
2125                 if (count_transient == 0 && win->floating)
2126                         continue;
2127                 if (count_transient == 0 && win->transient)
2128                         continue;
2129                 if (win->iconic)
2130                         continue;
2131                 count++;
2132         }
2133         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2134
2135         return (count);
2136 }
2137
2138 void
2139 quit(struct swm_region *r, union arg *args)
2140 {
2141         /* suppress unused warnings since vars are needed */
2142         (void)r;
2143         (void)args;
2144
2145         DNPRINTF(SWM_D_MISC, "quit\n");
2146         running = 0;
2147 }
2148
2149 void
2150 unmap_window(struct ws_win *win)
2151 {
2152         DNPRINTF(SWM_D_EVENT, "unmap_window: window: 0x%x\n", win->id);
2153
2154         if (win == NULL)
2155                 return;
2156
2157         /* don't unmap again */
2158         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2159                 return;
2160
2161         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2162
2163         xcb_unmap_window(conn, win->id);
2164         xcb_change_window_attributes(conn, win->id,
2165             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2166 }
2167
2168 void
2169 unmap_all(void)
2170 {
2171         struct ws_win           *win;
2172         int                     i, j, num_screens;
2173
2174         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2175         for (i = 0; i < num_screens; i++)
2176                 for (j = 0; j < workspace_limit; j++)
2177                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2178                                 unmap_window(win);
2179 }
2180
2181 void
2182 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2183 {
2184         xcb_key_press_event_t   event;
2185         xcb_keycode_t           *keycode;
2186
2187         if (win == NULL)
2188                 return;
2189
2190         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2191
2192         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2193             win->id, *keycode);
2194
2195         bzero(&event, sizeof(event));
2196         event.event = win->id;
2197         event.root = win->s->root;
2198         event.child = XCB_WINDOW_NONE;
2199         event.time = XCB_CURRENT_TIME;
2200         event.event_x = X(win);
2201         event.event_y = Y(win);
2202         event.root_x = 1;
2203         event.root_y = 1;
2204         event.same_screen = 1;
2205         event.detail = *keycode;
2206         event.state = modifiers;
2207
2208         event.response_type = XCB_KEY_PRESS;
2209         xcb_send_event(conn, 1, win->id,
2210             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2211
2212         event.response_type = XCB_KEY_RELEASE;
2213         xcb_send_event(conn, 1, win->id,
2214             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2215
2216         free(keycode);
2217 }
2218
2219 void
2220 restart(struct swm_region *r, union arg *args)
2221 {
2222         /* suppress unused warning since var is needed */
2223         (void)args;
2224
2225         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2226
2227         /* disable alarm because the following code may not be interrupted */
2228         alarm(0);
2229         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2230                 err(1, "can't disable alarm");
2231
2232         bar_extra_stop();
2233         bar_extra = 1;
2234         unmap_all();
2235
2236         XftFontClose(display, bar_font);
2237         XftColorFree(display, DefaultVisual(display, r->s->idx),
2238             DefaultColormap(display, r->s->idx), &bar_font_color);
2239         xcb_key_symbols_free(syms);
2240         xcb_flush(conn);
2241         xcb_disconnect(conn);
2242
2243         execvp(start_argv[0], start_argv);
2244         warn("execvp failed");
2245         quit(NULL, NULL);
2246 }
2247
2248 struct swm_region *
2249 root_to_region(xcb_window_t root)
2250 {
2251         struct swm_region               *r = NULL;
2252         int                             i, num_screens;
2253         xcb_query_pointer_reply_t       *qpr;
2254
2255         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2256
2257         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2258         for (i = 0; i < num_screens; i++)
2259                 if (screens[i].root == root)
2260                         break;
2261
2262         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2263             screens[i].root), NULL);
2264
2265         if (qpr) {
2266                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2267                     qpr->root_x, qpr->root_y);
2268                 /* choose a region based on pointer location */
2269                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2270                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2271                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2272                                 break;
2273                 free(qpr);
2274         }
2275
2276         if (r == NULL)
2277                 r = TAILQ_FIRST(&screens[i].rl);
2278
2279         return (r);
2280 }
2281
2282 struct ws_win *
2283 find_unmanaged_window(xcb_window_t id)
2284 {
2285         struct ws_win           *win;
2286         int                     i, j, num_screens;
2287
2288         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2289         for (i = 0; i < num_screens; i++)
2290                 for (j = 0; j < workspace_limit; j++)
2291                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2292                             entry)
2293                                 if (id == win->id)
2294                                         return (win);
2295         return (NULL);
2296 }
2297
2298 struct ws_win *
2299 find_window(xcb_window_t id)
2300 {
2301         struct ws_win           *win;
2302         int                     i, j, num_screens;
2303         xcb_query_tree_reply_t  *r;
2304
2305         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2306         for (i = 0; i < num_screens; i++)
2307                 for (j = 0; j < workspace_limit; j++)
2308                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2309                                 if (id == win->id)
2310                                         return (win);
2311
2312         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2313         if (!r)
2314                 return (NULL);
2315
2316         /* if we were looking for the parent return that window instead */
2317         if (r->parent == 0 || r->root == r->parent) {
2318                 free(r);
2319                 return (NULL);
2320         }
2321
2322         /* look for parent */
2323         for (i = 0; i < num_screens; i++)
2324                 for (j = 0; j < workspace_limit; j++)
2325                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2326                                 if (r->parent == win->id) {
2327                                         free(r);
2328                                         return (win);
2329                                 }
2330
2331         free(r);
2332         return (NULL);
2333 }
2334
2335 void
2336 spawn(int ws_idx, union arg *args, int close_fd)
2337 {
2338         int                     fd;
2339         char                    *ret = NULL;
2340
2341         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2342
2343         close(xcb_get_file_descriptor(conn));
2344
2345         setenv("LD_PRELOAD", SWM_LIB, 1);
2346
2347         if (asprintf(&ret, "%d", ws_idx) == -1) {
2348                 warn("spawn: asprintf SWM_WS");
2349                 _exit(1);
2350         }
2351         setenv("_SWM_WS", ret, 1);
2352         free(ret);
2353         ret = NULL;
2354
2355         if (asprintf(&ret, "%d", getpid()) == -1) {
2356                 warn("spawn: asprintf _SWM_PID");
2357                 _exit(1);
2358         }
2359         setenv("_SWM_PID", ret, 1);
2360         free(ret);
2361         ret = NULL;
2362
2363         if (setsid() == -1) {
2364                 warn("spawn: setsid");
2365                 _exit(1);
2366         }
2367
2368         if (close_fd) {
2369                 /*
2370                  * close stdin and stdout to prevent interaction between apps
2371                  * and the baraction script
2372                  * leave stderr open to record errors
2373                 */
2374                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2375                         warn("spawn: open");
2376                         _exit(1);
2377                 }
2378                 dup2(fd, STDIN_FILENO);
2379                 dup2(fd, STDOUT_FILENO);
2380                 if (fd > 2)
2381                         close(fd);
2382         }
2383
2384         execvp(args->argv[0], args->argv);
2385
2386         warn("spawn: execvp");
2387         _exit(1);
2388 }
2389
2390 void
2391 kill_refs(struct ws_win *win)
2392 {
2393         int                     i, x, num_screens;
2394         struct swm_region       *r;
2395         struct workspace        *ws;
2396
2397         if (win == NULL)
2398                 return;
2399
2400         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2401         for (i = 0; i < num_screens; i++)
2402                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2403                         for (x = 0; x < workspace_limit; x++) {
2404                                 ws = &r->s->ws[x];
2405                                 if (win == ws->focus)
2406                                         ws->focus = NULL;
2407                                 if (win == ws->focus_prev)
2408                                         ws->focus_prev = NULL;
2409                         }
2410 }
2411
2412 int
2413 validate_win(struct ws_win *testwin)
2414 {
2415         struct ws_win           *win;
2416         struct workspace        *ws;
2417         struct swm_region       *r;
2418         int                     i, x, num_screens;
2419
2420         if (testwin == NULL)
2421                 return (0);
2422
2423         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2424         for (i = 0; i < num_screens; i++)
2425                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2426                         for (x = 0; x < workspace_limit; x++) {
2427                                 ws = &r->s->ws[x];
2428                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2429                                         if (win == testwin)
2430                                                 return (0);
2431                         }
2432         return (1);
2433 }
2434
2435 int
2436 validate_ws(struct workspace *testws)
2437 {
2438         struct swm_region       *r;
2439         struct workspace        *ws;
2440         int                     i, x, num_screens;
2441
2442         /* validate all ws */
2443         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2444         for (i = 0; i < num_screens; i++)
2445                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2446                         for (x = 0; x < workspace_limit; x++) {
2447                                 ws = &r->s->ws[x];
2448                                 if (ws == testws)
2449                                         return (0);
2450                         }
2451         return (1);
2452 }
2453
2454 void
2455 unfocus_win(struct ws_win *win)
2456 {
2457         xcb_window_t            none = XCB_WINDOW_NONE;
2458
2459         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2460
2461         if (win == NULL)
2462                 return;
2463         if (win->ws == NULL)
2464                 return;
2465
2466         if (validate_ws(win->ws))
2467                 return; /* XXX this gets hit with thunderbird, needs fixing */
2468
2469         if (win->ws->r == NULL)
2470                 return;
2471
2472         if (validate_win(win)) {
2473                 kill_refs(win);
2474                 return;
2475         }
2476
2477         if (win->ws->focus == win) {
2478                 win->ws->focus = NULL;
2479                 win->ws->focus_prev = win;
2480         }
2481
2482         if (validate_win(win->ws->focus)) {
2483                 kill_refs(win->ws->focus);
2484                 win->ws->focus = NULL;
2485         }
2486         if (validate_win(win->ws->focus_prev)) {
2487                 kill_refs(win->ws->focus_prev);
2488                 win->ws->focus_prev = NULL;
2489         }
2490
2491         grabbuttons(win, 0);
2492         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2493             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2494         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2495             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2496 }
2497
2498 void
2499 unfocus_all(void)
2500 {
2501         struct ws_win           *win;
2502         int                     i, j, num_screens;
2503
2504         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2505
2506         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2507         for (i = 0; i < num_screens; i++)
2508                 for (j = 0; j < workspace_limit; j++)
2509                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2510                                 unfocus_win(win);
2511 }
2512
2513 void
2514 focus_win(struct ws_win *win)
2515 {
2516         struct ws_win           *cfw = NULL;
2517         xcb_get_input_focus_reply_t     *r;
2518         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2519
2520         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2521
2522         if (win == NULL)
2523                 return;
2524         if (win->ws == NULL)
2525                 return;
2526
2527         if (validate_ws(win->ws))
2528                 return; /* XXX this gets hit with thunderbird, needs fixing */
2529
2530         if (validate_win(win)) {
2531                 kill_refs(win);
2532                 return;
2533         }
2534
2535         if (validate_win(win)) {
2536                 kill_refs(win);
2537                 return;
2538         }
2539
2540         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2541         if (r) {
2542                 cur_focus = r->focus;
2543                 free(r);
2544         }
2545         if ((cfw = find_window(cur_focus)) != NULL)
2546                 unfocus_win(cfw);
2547         else {
2548 #if 0
2549                 /* use larger hammer since the window was killed somehow */
2550                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2551                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2552                                 xcb_change_window_attributes(conn, cfw->id,
2553                                     XCB_CW_BORDER_PIXEL,
2554                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2555 #endif
2556         }
2557
2558         win->ws->focus = win;
2559
2560         if (win->ws->r != NULL) {
2561                 if (win->java == 0)
2562                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2563                             win->id, XCB_CURRENT_TIME);
2564                 grabbuttons(win, 1);
2565                 xcb_change_window_attributes(conn, win->id,
2566                     XCB_CW_BORDER_PIXEL,
2567                     &win->ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
2568                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2569                     win->ws->always_raise)
2570                         map_window_raised(win->id);
2571
2572                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2573                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2574                     &win->id);
2575         }
2576
2577         bar_update();
2578 }
2579
2580 void
2581 event_drain(uint8_t rt)
2582 {
2583         xcb_generic_event_t     *evt;
2584
2585         xcb_flush(conn);
2586         while ((evt = xcb_poll_for_event(conn))) {
2587                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2588                         event_handle(evt);
2589
2590                 free(evt);
2591         }
2592 }
2593
2594 void
2595 switchws(struct swm_region *r, union arg *args)
2596 {
2597         int                     wsid = args->id, unmap_old = 0;
2598         struct swm_region       *this_r, *other_r;
2599         struct ws_win           *win;
2600         struct workspace        *new_ws, *old_ws;
2601         union arg               a;
2602
2603         if (!(r && r->s))
2604                 return;
2605
2606         if (wsid >= workspace_limit)
2607                 return;
2608
2609         this_r = r;
2610         old_ws = this_r->ws;
2611         new_ws = &this_r->s->ws[wsid];
2612
2613         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2614             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2615
2616         if (new_ws == NULL || old_ws == NULL)
2617                 return;
2618         if (new_ws == old_ws)
2619                 return;
2620
2621         other_r = new_ws->r;
2622         if (other_r == NULL) {
2623                 /* the other workspace is hidden, hide this one */
2624                 old_ws->r = NULL;
2625                 unmap_old = 1;
2626         } else {
2627                 /* the other ws is visible in another region, exchange them */
2628                 other_r->ws_prior = new_ws;
2629                 other_r->ws = old_ws;
2630                 old_ws->r = other_r;
2631         }
2632         this_r->ws_prior = old_ws;
2633         this_r->ws = new_ws;
2634         new_ws->r = this_r;
2635
2636         /* this is needed so that we can click on a window after a restart */
2637         unfocus_all();
2638
2639         stack();
2640         a.id = SWM_ARG_ID_FOCUSCUR;
2641         focus(new_ws->r, &a);
2642
2643         /* unmap old windows */
2644         if (unmap_old)
2645                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2646                         unmap_window(win);
2647
2648         if (focus_mode == SWM_FOCUS_DEFAULT)
2649                 event_drain(XCB_ENTER_NOTIFY);
2650         else
2651                 xcb_flush(conn);
2652
2653         DNPRINTF(SWM_D_WS, "switchws: done\n");
2654 }
2655
2656 void
2657 cyclews(struct swm_region *r, union arg *args)
2658 {
2659         union                   arg a;
2660         struct swm_screen       *s = r->s;
2661         int                     cycle_all = 0;
2662
2663         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2664             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2665
2666         a.id = r->ws->idx;
2667         do {
2668                 switch (args->id) {
2669                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2670                         cycle_all = 1;
2671                         /* FALLTHROUGH */
2672                 case SWM_ARG_ID_CYCLEWS_UP:
2673                         if (a.id < workspace_limit - 1)
2674                                 a.id++;
2675                         else
2676                                 a.id = 0;
2677                         break;
2678                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2679                         cycle_all = 1;
2680                         /* FALLTHROUGH */
2681                 case SWM_ARG_ID_CYCLEWS_DOWN:
2682                         if (a.id > 0)
2683                                 a.id--;
2684                         else
2685                                 a.id = workspace_limit - 1;
2686                         break;
2687                 default:
2688                         return;
2689                 };
2690
2691                 if (!cycle_all &&
2692                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2693                         continue;
2694                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2695                         continue;
2696
2697                 switchws(r, &a);
2698         } while (a.id != r->ws->idx);
2699 }
2700
2701 void
2702 priorws(struct swm_region *r, union arg *args)
2703 {
2704         union arg               a;
2705
2706         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2707             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2708
2709         if (r->ws_prior == NULL)
2710                 return;
2711
2712         a.id = r->ws_prior->idx;
2713         switchws(r, &a);
2714 }
2715
2716 void
2717 cyclescr(struct swm_region *r, union arg *args)
2718 {
2719         struct swm_region       *rr = NULL;
2720         union arg               a;
2721         int                     i, x, y, num_screens;
2722
2723         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2724         /* do nothing if we don't have more than one screen */
2725         if (!(num_screens > 1 || outputs > 1))
2726                 return;
2727
2728         i = r->s->idx;
2729         switch (args->id) {
2730         case SWM_ARG_ID_CYCLESC_UP:
2731                 rr = TAILQ_NEXT(r, entry);
2732                 if (rr == NULL)
2733                         rr = TAILQ_FIRST(&screens[i].rl);
2734                 break;
2735         case SWM_ARG_ID_CYCLESC_DOWN:
2736                 rr = TAILQ_PREV(r, swm_region_list, entry);
2737                 if (rr == NULL)
2738                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2739                 break;
2740         default:
2741                 return;
2742         };
2743         if (rr == NULL)
2744                 return;
2745
2746         /* move mouse to region */
2747         x = X(rr) + 1;
2748         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2749         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2750             x, y);
2751
2752         a.id = SWM_ARG_ID_FOCUSCUR;
2753         focus(rr, &a);
2754
2755         if (rr->ws->focus) {
2756                 /* move to focus window */
2757                 x = X(rr->ws->focus) + 1;
2758                 y = Y(rr->ws->focus) + 1;
2759                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2760                     0, x, y);
2761         }
2762 }
2763
2764 void
2765 sort_windows(struct ws_win_list *wl)
2766 {
2767         struct ws_win           *win, *parent, *nxt;
2768
2769         if (wl == NULL)
2770                 return;
2771
2772         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2773                 nxt = TAILQ_NEXT(win, entry);
2774                 if (win->transient) {
2775                         parent = find_window(win->transient);
2776                         if (parent == NULL) {
2777                                 warnx("not possible bug");
2778                                 continue;
2779                         }
2780                         TAILQ_REMOVE(wl, win, entry);
2781                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2782                 }
2783         }
2784
2785 }
2786
2787 void
2788 swapwin(struct swm_region *r, union arg *args)
2789 {
2790         struct ws_win           *target, *source;
2791         struct ws_win           *cur_focus;
2792         struct ws_win_list      *wl;
2793
2794
2795         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2796             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2797
2798         cur_focus = r->ws->focus;
2799         if (cur_focus == NULL)
2800                 return;
2801
2802         source = cur_focus;
2803         wl = &source->ws->winlist;
2804
2805         switch (args->id) {
2806         case SWM_ARG_ID_SWAPPREV:
2807                 if (source->transient)
2808                         source = find_window(source->transient);
2809                 target = TAILQ_PREV(source, ws_win_list, entry);
2810                 if (target && target->transient)
2811                         target = find_window(target->transient);
2812                 TAILQ_REMOVE(wl, source, entry);
2813                 if (target == NULL)
2814                         TAILQ_INSERT_TAIL(wl, source, entry);
2815                 else
2816                         TAILQ_INSERT_BEFORE(target, source, entry);
2817                 break;
2818         case SWM_ARG_ID_SWAPNEXT:
2819                 target = TAILQ_NEXT(source, entry);
2820                 /* move the parent and let the sort handle the move */
2821                 if (source->transient)
2822                         source = find_window(source->transient);
2823                 TAILQ_REMOVE(wl, source, entry);
2824                 if (target == NULL)
2825                         TAILQ_INSERT_HEAD(wl, source, entry);
2826                 else
2827                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2828                 break;
2829         case SWM_ARG_ID_SWAPMAIN:
2830                 target = TAILQ_FIRST(wl);
2831                 if (target == source) {
2832                         if (source->ws->focus_prev != NULL &&
2833                             source->ws->focus_prev != target)
2834                                 source = source->ws->focus_prev;
2835                         else
2836                                 return;
2837                 }
2838                 if (target == NULL || source == NULL)
2839                         return;
2840                 source->ws->focus_prev = target;
2841                 TAILQ_REMOVE(wl, target, entry);
2842                 TAILQ_INSERT_BEFORE(source, target, entry);
2843                 TAILQ_REMOVE(wl, source, entry);
2844                 TAILQ_INSERT_HEAD(wl, source, entry);
2845                 break;
2846         case SWM_ARG_ID_MOVELAST:
2847                 TAILQ_REMOVE(wl, source, entry);
2848                 TAILQ_INSERT_TAIL(wl, source, entry);
2849                 break;
2850         default:
2851                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2852                 return;
2853         }
2854
2855         sort_windows(wl);
2856
2857         stack();
2858
2859         xcb_flush(conn);
2860 }
2861
2862 void
2863 focus_prev(struct ws_win *win)
2864 {
2865         struct ws_win           *winfocus = NULL;
2866         struct ws_win           *cur_focus = NULL;
2867         struct ws_win_list      *wl = NULL;
2868         struct workspace        *ws = NULL;
2869
2870         if (!(win && win->ws))
2871                 return;
2872
2873         ws = win->ws;
2874         wl = &ws->winlist;
2875         cur_focus = ws->focus;
2876
2877         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2878             WINID(win), WINID(cur_focus));
2879
2880         /* pickle, just focus on whatever */
2881         if (cur_focus == NULL) {
2882                 /* use prev_focus if valid */
2883                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2884                     find_window(WINID(ws->focus_prev)))
2885                         winfocus = ws->focus_prev;
2886                 goto done;
2887         }
2888
2889         /* if transient focus on parent */
2890         if (cur_focus->transient) {
2891                 winfocus = find_window(cur_focus->transient);
2892                 goto done;
2893         }
2894
2895         /* if in max_stack try harder */
2896         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2897             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2898                 if (cur_focus != ws->focus_prev)
2899                         winfocus = ws->focus_prev;
2900                 else
2901                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2902                 if (winfocus)
2903                         goto done;
2904         }
2905
2906         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2907
2908         if (winfocus == NULL || winfocus == win) {
2909                 switch (focus_close) {
2910                 case SWM_STACK_BOTTOM:
2911                         winfocus = TAILQ_FIRST(wl);
2912                         break;
2913                 case SWM_STACK_TOP:
2914                         winfocus = TAILQ_LAST(wl, ws_win_list);
2915                         break;
2916                 case SWM_STACK_ABOVE:
2917                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2918                                 if (focus_close_wrap)
2919                                         winfocus = TAILQ_FIRST(wl);
2920                                 else
2921                                         winfocus = TAILQ_PREV(cur_focus,
2922                                             ws_win_list, entry);
2923                         }
2924                         break;
2925                 case SWM_STACK_BELOW:
2926                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2927                             entry)) == NULL) {
2928                                 if (focus_close_wrap)
2929                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2930                                 else
2931                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2932                         }
2933                         break;
2934                 }
2935         }
2936 done:
2937         if (winfocus == NULL) {
2938                 if (focus_default == SWM_STACK_TOP)
2939                         winfocus = TAILQ_LAST(wl, ws_win_list);
2940                 else
2941                         winfocus = TAILQ_FIRST(wl);
2942         }
2943
2944         kill_refs(win);
2945         focus_magic(winfocus);
2946 }
2947
2948 void
2949 focus(struct swm_region *r, union arg *args)
2950 {
2951         struct ws_win           *winfocus = NULL, *head;
2952         struct ws_win           *cur_focus = NULL;
2953         struct ws_win_list      *wl = NULL;
2954         struct workspace        *ws = NULL;
2955         int                     all_iconics;
2956
2957         if (!(r && r->ws))
2958                 return;
2959
2960         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2961
2962         /* treat FOCUS_CUR special */
2963         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2964                 if (r->ws->focus && r->ws->focus->iconic == 0)
2965                         winfocus = r->ws->focus;
2966                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2967                         winfocus = r->ws->focus_prev;
2968                 else
2969                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2970                                 if (winfocus->iconic == 0)
2971                                         break;
2972
2973                 focus_magic(winfocus);
2974                 return;
2975         }
2976
2977         if ((cur_focus = r->ws->focus) == NULL)
2978                 return;
2979         ws = r->ws;
2980         wl = &ws->winlist;
2981         if (TAILQ_EMPTY(wl))
2982                 return;
2983         /* make sure there is at least one uniconified window */
2984         all_iconics = 1;
2985         TAILQ_FOREACH(winfocus, wl, entry)
2986                 if (winfocus->iconic == 0) {
2987                         all_iconics = 0;
2988                         break;
2989                 }
2990         if (all_iconics)
2991                 return;
2992
2993         switch (args->id) {
2994         case SWM_ARG_ID_FOCUSPREV:
2995                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2996                 if (head == NULL)
2997                         head = TAILQ_LAST(wl, ws_win_list);
2998                 winfocus = head;
2999                 if (WINID(winfocus) == cur_focus->transient) {
3000                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3001                         if (head == NULL)
3002                                 head = TAILQ_LAST(wl, ws_win_list);
3003                         winfocus = head;
3004                 }
3005
3006                 /* skip iconics */
3007                 if (winfocus && winfocus->iconic) {
3008                         while (winfocus != cur_focus) {
3009                                 if (winfocus == NULL)
3010                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3011                                 if (winfocus->iconic == 0)
3012                                         break;
3013                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3014                                     entry);
3015                         }
3016                 }
3017                 break;
3018
3019         case SWM_ARG_ID_FOCUSNEXT:
3020                 head = TAILQ_NEXT(cur_focus, entry);
3021                 if (head == NULL)
3022                         head = TAILQ_FIRST(wl);
3023                 winfocus = head;
3024
3025                 /* skip iconics */
3026                 if (winfocus && winfocus->iconic) {
3027                         while (winfocus != cur_focus) {
3028                                 if (winfocus == NULL)
3029                                         winfocus = TAILQ_FIRST(wl);
3030                                 if (winfocus->iconic == 0)
3031                                         break;
3032                                 winfocus = TAILQ_NEXT(winfocus, entry);
3033                         }
3034                 }
3035                 break;
3036
3037         case SWM_ARG_ID_FOCUSMAIN:
3038                 winfocus = TAILQ_FIRST(wl);
3039                 if (winfocus == cur_focus)
3040                         winfocus = cur_focus->ws->focus_prev;
3041                 break;
3042
3043         default:
3044                 return;
3045         }
3046
3047         focus_magic(winfocus);
3048
3049         xcb_flush(conn);
3050 }
3051
3052 void
3053 cycle_layout(struct swm_region *r, union arg *args)
3054 {
3055         struct workspace        *ws = r->ws;
3056         union arg               a;
3057
3058         /* suppress unused warning since var is needed */
3059         (void)args;
3060
3061         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3062
3063         ws->cur_layout++;
3064         if (ws->cur_layout->l_stack == NULL)
3065                 ws->cur_layout = &layouts[0];
3066
3067         stack();
3068         bar_update();
3069
3070         if (focus_mode == SWM_FOCUS_DEFAULT)
3071                 event_drain(XCB_ENTER_NOTIFY);
3072
3073         a.id = SWM_ARG_ID_FOCUSCUR;
3074         focus(r, &a);
3075 }
3076
3077 void
3078 stack_config(struct swm_region *r, union arg *args)
3079 {
3080         struct workspace        *ws = r->ws;
3081
3082         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3083             args->id, ws->idx);
3084
3085         if (ws->cur_layout->l_config != NULL)
3086                 ws->cur_layout->l_config(ws, args->id);
3087
3088         if (args->id != SWM_ARG_ID_STACKINIT)
3089                 stack();
3090         bar_update();
3091 }
3092
3093 void
3094 stack(void) {
3095         struct swm_geometry     g;
3096         struct swm_region       *r;
3097         int                     i, num_screens;
3098 #ifdef SWM_DEBUG
3099         int j;
3100 #endif
3101
3102         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3103
3104         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3105         for (i = 0; i < num_screens; i++) {
3106 #ifdef SWM_DEBUG
3107                 j = 0;
3108 #endif
3109                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3110                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3111                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3112
3113                         /* start with screen geometry, adjust for bar */
3114                         g = r->g;
3115                         g.w -= 2 * border_width;
3116                         g.h -= 2 * border_width;
3117                         if (bar_enabled) {
3118                                 if (!bar_at_bottom)
3119                                         g.y += bar_height;
3120                                 g.h -= bar_height;
3121                         }
3122                         r->ws->cur_layout->l_stack(r->ws, &g);
3123                         r->ws->cur_layout->l_string(r->ws);
3124                         /* save r so we can track region changes */
3125                         r->ws->old_r = r;
3126                 }
3127         }
3128         if (font_adjusted)
3129                 font_adjusted--;
3130
3131         if (focus_mode == SWM_FOCUS_DEFAULT)
3132                 event_drain(XCB_ENTER_NOTIFY);
3133
3134         DNPRINTF(SWM_D_STACK, "stack: end\n");
3135 }
3136
3137 void
3138 store_float_geom(struct ws_win *win, struct swm_region *r)
3139 {
3140         /* retain window geom and region geom */
3141         win->g_float = win->g;
3142         win->g_float.x -= X(r);
3143         win->g_float.y -= Y(r);
3144         win->g_floatvalid = 1;
3145         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3146             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3147             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3148             win->g_float.w, win->g_float.h);
3149 }
3150
3151 void
3152 stack_floater(struct ws_win *win, struct swm_region *r)
3153 {
3154         if (win == NULL)
3155                 return;
3156
3157         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3158
3159         /*
3160          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3161          * geom on ws switches or return from max mode
3162          */
3163         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3164             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3165                 /* refloat at last floating relative position */
3166                 win->g = win->g_float;
3167                 X(win) += X(r);
3168                 Y(win) += Y(r);
3169         }
3170
3171         win->floatmaxed = 0;
3172
3173         /*
3174          * if set to fullscreen mode, configure window to maximum size.
3175          */
3176         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3177                 if (!win->g_floatvalid)
3178                         store_float_geom(win, win->ws->r);
3179
3180                 win->g = win->ws->r->g;
3181         }
3182
3183         /*
3184          * remove border on fullscreen floater when in fullscreen mode or when
3185          * the quirk is present.
3186          */
3187         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3188             ((win->quirks & SWM_Q_FULLSCREEN) &&
3189              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3190                 if (win->bordered) {
3191                         win->bordered = 0;
3192                         X(win) += border_width;
3193                         Y(win) += border_width;
3194                 }
3195         } else if (!win->bordered) {
3196                 win->bordered = 1;
3197                 X(win) -= border_width;
3198                 Y(win) -= border_width;
3199         }
3200
3201         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3202                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3203                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3204         }
3205
3206         if (!win->manual) {
3207                 /*
3208                  * floaters and transients are auto-centred unless moved
3209                  * or resized
3210                  */
3211                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3212                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3213         }
3214
3215         /* keep window within region bounds */
3216         constrain_window(win, r, 0);
3217
3218         update_window(win);
3219 }
3220
3221 /*
3222  * Send keystrokes to terminal to decrease/increase the font size as the
3223  * window size changes.
3224  */
3225 void
3226 adjust_font(struct ws_win *win)
3227 {
3228         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3229             win->floating || win->transient)
3230                 return;
3231
3232         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3233             WIDTH(win) / win->sh.width_inc < term_width &&
3234             win->font_steps < SWM_MAX_FONT_STEPS) {
3235                 win->font_size_boundary[win->font_steps] =
3236                     (win->sh.width_inc * term_width) + win->sh.base_width;
3237                 win->font_steps++;
3238                 font_adjusted++;
3239                 win->last_inc = win->sh.width_inc;
3240                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3241         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3242             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3243                 win->font_steps--;
3244                 font_adjusted++;
3245                 win->last_inc = win->sh.width_inc;
3246                 fake_keypress(win, XK_KP_Add, ShiftMask);
3247         }
3248 }
3249
3250 #define SWAPXY(g)       do {                            \
3251         int tmp;                                        \
3252         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3253         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3254 } while (0)
3255 void
3256 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3257 {
3258         struct swm_geometry     win_g, r_g = *g;
3259         struct ws_win           *win, *fs_win = NULL;
3260         int                     i, j, s, stacks;
3261         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3262         int                     hrh, extra = 0, h_slice, last_h = 0;
3263         int                     split, colno, winno, mwin, msize, mscale;
3264         int                     remain, missing, v_slice, reconfigure;
3265         int                     bordered = 1;
3266         xcb_get_window_attributes_reply_t *war;
3267
3268         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3269             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3270
3271         winno = count_win(ws, 0);
3272         if (winno == 0 && count_win(ws, 1) == 0)
3273                 return;
3274
3275         TAILQ_FOREACH(win, &ws->winlist, entry)
3276                 if (win->transient == 0 && win->floating == 0
3277                     && win->iconic == 0)
3278                         break;
3279
3280         if (win == NULL)
3281                 goto notiles;
3282
3283         if (rot) {
3284                 w_inc = win->sh.width_inc;
3285                 w_base = win->sh.base_width;
3286                 mwin = ws->l_state.horizontal_mwin;
3287                 mscale = ws->l_state.horizontal_msize;
3288                 stacks = ws->l_state.horizontal_stacks;
3289                 SWAPXY(&r_g);
3290         } else {
3291                 w_inc = win->sh.height_inc;
3292                 w_base = win->sh.base_height;
3293                 mwin = ws->l_state.vertical_mwin;
3294                 mscale = ws->l_state.vertical_msize;
3295                 stacks = ws->l_state.vertical_stacks;
3296         }
3297         win_g = r_g;
3298
3299         if (stacks > winno - mwin)
3300                 stacks = winno - mwin;
3301         if (stacks < 1)
3302                 stacks = 1;
3303
3304         h_slice = r_g.h / SWM_H_SLICE;
3305         if (mwin && winno > mwin) {
3306                 v_slice = r_g.w / SWM_V_SLICE;
3307
3308                 split = mwin;
3309                 colno = split;
3310                 win_g.w = v_slice * mscale;
3311
3312                 if (w_inc > 1 && w_inc < v_slice) {
3313                         /* adjust for window's requested size increment */
3314                         remain = (win_g.w - w_base) % w_inc;
3315                         win_g.w -= remain;
3316                 }
3317
3318                 msize = win_g.w;
3319                 if (flip)
3320                         win_g.x += r_g.w - msize;
3321         } else {
3322                 msize = -2;
3323                 colno = split = winno / stacks;
3324                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3325                     2 * border_width) / stacks);
3326         }
3327         hrh = r_g.h / colno;
3328         extra = r_g.h - (colno * hrh);
3329         win_g.h = hrh - 2 * border_width;
3330
3331         /*  stack all the tiled windows */
3332         i = j = 0, s = stacks;
3333         TAILQ_FOREACH(win, &ws->winlist, entry) {
3334                 if (win->transient != 0 || win->floating != 0)
3335                         continue;
3336                 if (win->iconic != 0)
3337                         continue;
3338
3339                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3340                         fs_win = win;
3341                         continue;
3342                 }
3343
3344                 if (split && i == split) {
3345                         colno = (winno - mwin) / stacks;
3346                         if (s <= (winno - mwin) % stacks)
3347                                 colno++;
3348                         split = split + colno;
3349                         hrh = (r_g.h / colno);
3350                         extra = r_g.h - (colno * hrh);
3351                         if (flip)
3352                                 win_g.x = r_g.x;
3353                         else
3354                                 win_g.x += win_g.w + 2 * border_width;
3355                         win_g.w = (r_g.w - msize -
3356                             (stacks * 2 * border_width)) / stacks;
3357                         if (s == 1)
3358                                 win_g.w += (r_g.w - msize -
3359                                     (stacks * 2 * border_width)) % stacks;
3360                         s--;
3361                         j = 0;
3362                 }
3363                 win_g.h = hrh - 2 * border_width;
3364                 if (rot) {
3365                         h_inc = win->sh.width_inc;
3366                         h_base = win->sh.base_width;
3367                 } else {
3368                         h_inc = win->sh.height_inc;
3369                         h_base = win->sh.base_height;
3370                 }
3371                 if (j == colno - 1) {
3372                         win_g.h = hrh + extra;
3373                 } else if (h_inc > 1 && h_inc < h_slice) {
3374                         /* adjust for window's requested size increment */
3375                         remain = (win_g.h - h_base) % h_inc;
3376                         missing = h_inc - remain;
3377
3378                         if (missing <= extra || j == 0) {
3379                                 extra -= missing;
3380                                 win_g.h += missing;
3381                         } else {
3382                                 win_g.h -= remain;
3383                                 extra += remain;
3384                         }
3385                 }
3386
3387                 if (j == 0)
3388                         win_g.y = r_g.y;
3389                 else
3390                         win_g.y += last_h + 2 * border_width;
3391
3392                 if (disable_border && bar_enabled == 0 && winno == 1){
3393                         bordered = 0;
3394                         win_g.w += 2 * border_width;
3395                         win_g.h += 2 * border_width;
3396                 } else {
3397                         bordered = 1;
3398                 }
3399                 if (rot) {
3400                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3401                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3402                                 reconfigure = 1;
3403                                 X(win) = win_g.y;
3404                                 Y(win) = win_g.x;
3405                                 WIDTH(win) = win_g.h;
3406                                 HEIGHT(win) = win_g.w;
3407                         }
3408                 } else {
3409                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3410                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3411                                 reconfigure = 1;
3412                                 X(win) = win_g.x;
3413                                 Y(win) = win_g.y;
3414                                 WIDTH(win) = win_g.w;
3415                                 HEIGHT(win) = win_g.h;
3416                         }
3417                 }
3418
3419                 if (bordered != win->bordered) {
3420                         reconfigure = 1;
3421                         win->bordered = bordered;
3422                 }
3423
3424                 if (reconfigure) {
3425                         adjust_font(win);
3426                         update_window(win);
3427                 }
3428
3429                 war = xcb_get_window_attributes_reply(conn,
3430                         xcb_get_window_attributes(conn, win->id),
3431                         NULL);
3432                 if (war) {
3433                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3434                                 map_window_raised(win->id);
3435                         free(war);
3436                 }
3437
3438                 last_h = win_g.h;
3439                 i++;
3440                 j++;
3441         }
3442
3443 notiles:
3444         /* now, stack all the floaters and transients */
3445         TAILQ_FOREACH(win, &ws->winlist, entry) {
3446                 if (win->transient == 0 && win->floating == 0)
3447                         continue;
3448                 if (win->iconic == 1)
3449                         continue;
3450                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3451                         fs_win = win;
3452                         continue;
3453                 }
3454
3455                 stack_floater(win, ws->r);
3456                 map_window_raised(win->id);
3457         }
3458
3459         if (fs_win) {
3460                 stack_floater(fs_win, ws->r);
3461                 map_window_raised(fs_win->id);
3462         }
3463 }
3464
3465 void
3466 vertical_config(struct workspace *ws, int id)
3467 {
3468         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3469             id, ws->idx);
3470
3471         switch (id) {
3472         case SWM_ARG_ID_STACKRESET:
3473         case SWM_ARG_ID_STACKINIT:
3474                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3475                 ws->l_state.vertical_mwin = 1;
3476                 ws->l_state.vertical_stacks = 1;
3477                 break;
3478         case SWM_ARG_ID_MASTERSHRINK:
3479                 if (ws->l_state.vertical_msize > 1)
3480                         ws->l_state.vertical_msize--;
3481                 break;
3482         case SWM_ARG_ID_MASTERGROW:
3483                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3484                         ws->l_state.vertical_msize++;
3485                 break;
3486         case SWM_ARG_ID_MASTERADD:
3487                 ws->l_state.vertical_mwin++;
3488                 break;
3489         case SWM_ARG_ID_MASTERDEL:
3490                 if (ws->l_state.vertical_mwin > 0)
3491                         ws->l_state.vertical_mwin--;
3492                 break;
3493         case SWM_ARG_ID_STACKINC:
3494                 ws->l_state.vertical_stacks++;
3495                 break;
3496         case SWM_ARG_ID_STACKDEC:
3497                 if (ws->l_state.vertical_stacks > 1)
3498                         ws->l_state.vertical_stacks--;
3499                 break;
3500         case SWM_ARG_ID_FLIPLAYOUT:
3501                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3502                 break;
3503         default:
3504                 return;
3505         }
3506 }
3507
3508 void
3509 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3510 {
3511         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3512
3513         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3514 }
3515
3516 void
3517 horizontal_config(struct workspace *ws, int id)
3518 {
3519         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3520
3521         switch (id) {
3522         case SWM_ARG_ID_STACKRESET:
3523         case SWM_ARG_ID_STACKINIT:
3524                 ws->l_state.horizontal_mwin = 1;
3525                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3526                 ws->l_state.horizontal_stacks = 1;
3527                 break;
3528         case SWM_ARG_ID_MASTERSHRINK:
3529                 if (ws->l_state.horizontal_msize > 1)
3530                         ws->l_state.horizontal_msize--;
3531                 break;
3532         case SWM_ARG_ID_MASTERGROW:
3533                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3534                         ws->l_state.horizontal_msize++;
3535                 break;
3536         case SWM_ARG_ID_MASTERADD:
3537                 ws->l_state.horizontal_mwin++;
3538                 break;
3539         case SWM_ARG_ID_MASTERDEL:
3540                 if (ws->l_state.horizontal_mwin > 0)
3541                         ws->l_state.horizontal_mwin--;
3542                 break;
3543         case SWM_ARG_ID_STACKINC:
3544                 ws->l_state.horizontal_stacks++;
3545                 break;
3546         case SWM_ARG_ID_STACKDEC:
3547                 if (ws->l_state.horizontal_stacks > 1)
3548                         ws->l_state.horizontal_stacks--;
3549                 break;
3550         case SWM_ARG_ID_FLIPLAYOUT:
3551                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3552                 break;
3553         default:
3554                 return;
3555         }
3556 }
3557
3558 void
3559 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3560 {
3561         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3562
3563         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3564 }
3565
3566 /* fullscreen view */
3567 void
3568 max_stack(struct workspace *ws, struct swm_geometry *g)
3569 {
3570         struct swm_geometry     gg = *g;
3571         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3572         int                     winno, num_screens;
3573
3574         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3575
3576         if (ws == NULL)
3577                 return;
3578
3579         winno = count_win(ws, 0);
3580         if (winno == 0 && count_win(ws, 1) == 0)
3581                 return;
3582
3583         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3584         TAILQ_FOREACH(win, &ws->winlist, entry) {
3585                 if (win->transient) {
3586                         wintrans = win;
3587                         parent = find_window(win->transient);
3588                         continue;
3589                 }
3590
3591                 if (win->floating && win->floatmaxed == 0 ) {
3592                         /*
3593                          * retain geometry for retrieval on exit from
3594                          * max_stack mode
3595                          */
3596                         store_float_geom(win, ws->r);
3597                         win->floatmaxed = 1;
3598                 }
3599
3600                 /* only reconfigure if necessary */
3601                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3602                     HEIGHT(win) != gg.h) {
3603                         win->g = gg;
3604                         if (bar_enabled){
3605                                 win->bordered = 1;
3606                         } else {
3607                                 win->bordered = 0;
3608                                 WIDTH(win) += 2 * border_width;
3609                                 HEIGHT(win) += 2 * border_width;
3610                         }
3611
3612                         update_window(win);
3613                 }
3614                 /* unmap only if we don't have multi screen */
3615                 if (win != ws->focus)
3616                         if (!(num_screens > 1 || outputs > 1))
3617                                 unmap_window(win);
3618         }
3619
3620         /* put the last transient on top */
3621         if (wintrans) {
3622                 if (parent)
3623                         map_window_raised(parent->id);
3624                 stack_floater(wintrans, ws->r);
3625                 focus_magic(wintrans);
3626         }
3627 }
3628
3629 void
3630 send_to_ws(struct swm_region *r, union arg *args)
3631 {
3632         int                     wsid = args->id;
3633         struct ws_win           *win = NULL, *parent;
3634         struct workspace        *ws, *nws;
3635         char                    ws_idx_str[SWM_PROPLEN];
3636         union arg               a;
3637
3638         if (wsid >= workspace_limit)
3639                 return;
3640
3641         if (r && r->ws && r->ws->focus)
3642                 win = r->ws->focus;
3643         else
3644                 return;
3645         if (win == NULL)
3646                 return;
3647         if (win->ws->idx == wsid)
3648                 return;
3649
3650         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3651
3652         ws = win->ws;
3653         nws = &win->s->ws[wsid];
3654
3655         a.id = SWM_ARG_ID_FOCUSPREV;
3656         focus(r, &a);
3657         if (win->transient) {
3658                 parent = find_window(win->transient);
3659                 if (parent) {
3660                         unmap_window(parent);
3661                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3662                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3663                         parent->ws = nws;
3664                 }
3665         }
3666         unmap_window(win);
3667         TAILQ_REMOVE(&ws->winlist, win, entry);
3668         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3669         if (TAILQ_EMPTY(&ws->winlist))
3670                 r->ws->focus = NULL;
3671         win->ws = nws;
3672
3673         /* Try to update the window's workspace property */
3674         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
3675                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3676                     ws_idx_str);
3677                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3678                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3679                     ws_idx_str);
3680         }
3681
3682         stack();
3683         bar_update();
3684
3685         xcb_flush(conn);
3686 }
3687
3688 void
3689 pressbutton(struct swm_region *r, union arg *args)
3690 {
3691         /* suppress unused warning since var is needed */
3692         (void)r;
3693
3694         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3695             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3696         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3697             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3698 }
3699
3700 void
3701 raise_toggle(struct swm_region *r, union arg *args)
3702 {
3703         /* suppress unused warning since var is needed */
3704         (void)args;
3705
3706         if (r == NULL || r->ws == NULL)
3707                 return;
3708
3709         r->ws->always_raise = !r->ws->always_raise;
3710
3711         /* bring floaters back to top */
3712         if (r->ws->always_raise == 0)
3713                 stack();
3714
3715         xcb_flush(conn);
3716 }
3717
3718 void
3719 iconify(struct swm_region *r, union arg *args)
3720 {
3721         union arg a;
3722
3723         /* suppress unused warning since var is needed */
3724         (void)args;
3725
3726         if (r->ws->focus == NULL)
3727                 return;
3728         unmap_window(r->ws->focus);
3729         update_iconic(r->ws->focus, 1);
3730         stack();
3731
3732         r->ws->focus = NULL;
3733         a.id = SWM_ARG_ID_FOCUSCUR;
3734         focus(r, &a);
3735
3736         xcb_flush(conn);
3737 }
3738
3739 char *
3740 get_win_name(xcb_window_t win)
3741 {
3742         char                            *name = NULL;
3743         xcb_get_property_cookie_t       c;
3744         xcb_icccm_get_text_property_reply_t     r;
3745
3746         c = xcb_icccm_get_wm_name(conn, win);
3747         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3748                 if (r.name_len > 0) {
3749                         name = malloc(r.name_len + 1);
3750                         if (name) {
3751                                 memcpy(name, r.name, r.name_len);
3752                                 name[r.name_len] = '\0';
3753                         }
3754                 }
3755                 xcb_icccm_get_text_property_reply_wipe(&r);
3756         }
3757
3758         return (name);
3759 }
3760
3761 void
3762 uniconify(struct swm_region *r, union arg *args)
3763 {
3764         struct ws_win           *win;
3765         FILE                    *lfile;
3766         char                    *name;
3767         int                     count = 0;
3768
3769         DNPRINTF(SWM_D_MISC, "uniconify\n");
3770
3771         if (r == NULL || r->ws == NULL)
3772                 return;
3773
3774         /* make sure we have anything to uniconify */
3775         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3776                 if (win->ws == NULL)
3777                         continue; /* should never happen */
3778                 if (win->iconic == 0)
3779                         continue;
3780                 count++;
3781         }
3782         if (count == 0)
3783                 return;
3784
3785         search_r = r;
3786         search_resp_action = SWM_SEARCH_UNICONIFY;
3787
3788         spawn_select(r, args, "search", &searchpid);
3789
3790         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3791                 return;
3792
3793         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3794                 if (win->ws == NULL)
3795                         continue; /* should never happen */
3796                 if (win->iconic == 0)
3797                         continue;
3798
3799                 name = get_win_name(win->id);
3800                 if (name == NULL)
3801                         continue;
3802                 fprintf(lfile, "%s.%u\n", name, win->id);
3803                 free(name);
3804         }
3805
3806         fclose(lfile);
3807
3808         xcb_flush(conn);
3809 }
3810
3811 void
3812 name_workspace(struct swm_region *r, union arg *args)
3813 {
3814         FILE                    *lfile;
3815
3816         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3817
3818         if (r == NULL)
3819                 return;
3820
3821         search_r = r;
3822         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3823
3824         spawn_select(r, args, "name_workspace", &searchpid);
3825
3826         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3827                 return;
3828
3829         fprintf(lfile, "%s", "");
3830         fclose(lfile);
3831 }
3832
3833 void
3834 search_workspace(struct swm_region *r, union arg *args)
3835 {
3836         int                     i;
3837         struct workspace        *ws;
3838         FILE                    *lfile;
3839
3840         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3841
3842         if (r == NULL)
3843                 return;
3844
3845         search_r = r;
3846         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3847
3848         spawn_select(r, args, "search", &searchpid);
3849
3850         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3851                 return;
3852
3853         for (i = 0; i < workspace_limit; i++) {
3854                 ws = &r->s->ws[i];
3855                 if (ws == NULL)
3856                         continue;
3857                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3858                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3859         }
3860
3861         fclose(lfile);
3862 }
3863
3864 void
3865 search_win_cleanup(void)
3866 {
3867         struct search_window    *sw = NULL;
3868
3869         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3870                 xcb_destroy_window(conn, sw->indicator);
3871                 xcb_free_gc(conn, sw->gc);
3872                 TAILQ_REMOVE(&search_wl, sw, entry);
3873                 free(sw);
3874         }
3875 }
3876
3877 void
3878 search_win(struct swm_region *r, union arg *args)
3879 {
3880         struct ws_win           *win = NULL;
3881         struct search_window    *sw = NULL;
3882         xcb_window_t            w;
3883         uint32_t                gcv[3], wa[2];
3884         int                     i;
3885         char                    s[8];
3886         FILE                    *lfile;
3887         size_t                  len;
3888         XftDraw                 *draw;
3889         XGlyphInfo              info;
3890
3891         DNPRINTF(SWM_D_MISC, "search_win\n");
3892
3893         search_r = r;
3894         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3895
3896         spawn_select(r, args, "search", &searchpid);
3897
3898         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3899                 return;
3900
3901         TAILQ_INIT(&search_wl);
3902
3903         i = 1;
3904         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3905                 if (win->iconic == 1)
3906                         continue;
3907
3908                 sw = calloc(1, sizeof(struct search_window));
3909                 if (sw == NULL) {
3910                         warn("search_win: calloc");
3911                         fclose(lfile);
3912                         search_win_cleanup();
3913                         return;
3914                 }
3915                 sw->idx = i;
3916                 sw->win = win;
3917
3918                 snprintf(s, sizeof s, "%d", i);
3919                 len = strlen(s);
3920
3921                 XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
3922
3923                 w = xcb_generate_id(conn);
3924                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
3925                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
3926                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3927                     info.width + 4, bar_font->height + 4,
3928                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3929                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3930
3931                 sw->indicator = w;
3932                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3933
3934                 sw->gc = xcb_generate_id(conn);
3935                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
3936                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
3937                 gcv[2] = 0;
3938                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3939                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
3940                 map_window_raised(w);
3941
3942                 draw = XftDrawCreate(display, w,
3943                     DefaultVisual(display, r->s->idx),
3944                     DefaultColormap(display, r->s->idx));
3945
3946                 XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
3947                     (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
3948                     (FcChar8 *)s, len);
3949
3950                 XftDrawDestroy(draw);
3951
3952                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3953
3954                 fprintf(lfile, "%d\n", i);
3955                 i++;
3956         }
3957
3958         fclose(lfile);
3959
3960         xcb_flush(conn);
3961 }
3962
3963 void
3964 search_resp_uniconify(char *resp, unsigned long len)
3965 {
3966         char                    *name;
3967         struct ws_win           *win;
3968         char                    *s;
3969
3970         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3971
3972         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3973                 if (win->iconic == 0)
3974                         continue;
3975                 name = get_win_name(win->id);
3976                 if (name == NULL)
3977                         continue;
3978                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3979                         free(name);
3980                         continue;
3981                 }
3982                 free(name);
3983                 if (strncmp(s, resp, len) == 0) {
3984                         /* XXX this should be a callback to generalize */
3985                         update_iconic(win, 0);
3986                         free(s);
3987                         break;
3988                 }
3989                 free(s);
3990         }
3991 }
3992
3993 void
3994 search_resp_name_workspace(char *resp, unsigned long len)
3995 {
3996         struct workspace        *ws;
3997
3998         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3999
4000         if (search_r->ws == NULL)
4001                 return;
4002         ws = search_r->ws;
4003
4004         if (ws->name) {
4005                 free(search_r->ws->name);
4006                 search_r->ws->name = NULL;
4007         }
4008
4009         if (len > 1) {
4010                 ws->name = strdup(resp);
4011                 if (ws->name == NULL) {
4012                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4013                             "strdup: %s", strerror(errno));
4014                         return;
4015                 }
4016         }
4017 }
4018
4019 void
4020 search_resp_search_workspace(char *resp)
4021 {
4022         char                    *p, *q;
4023         int                     ws_idx;
4024         const char              *errstr;
4025         union arg               a;
4026
4027         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4028
4029         q = strdup(resp);
4030         if (!q) {
4031                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4032                     strerror(errno));
4033                 return;
4034         }
4035         p = strchr(q, ':');
4036         if (p != NULL)
4037                 *p = '\0';
4038         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4039         if (errstr) {
4040                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4041                     errstr, q);
4042                 free(q);
4043                 return;
4044         }
4045         free(q);
4046         a.id = ws_idx - 1;
4047         switchws(search_r, &a);
4048 }
4049
4050 void
4051 search_resp_search_window(char *resp)
4052 {
4053         char                    *s;
4054         int                     idx;
4055         const char              *errstr;
4056         struct search_window    *sw;
4057
4058         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4059
4060         s = strdup(resp);
4061         if (!s) {
4062                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4063                     strerror(errno));
4064                 return;
4065         }
4066
4067         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4068         if (errstr) {
4069                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4070                     errstr, s);
4071                 free(s);
4072                 return;
4073         }
4074         free(s);
4075
4076         TAILQ_FOREACH(sw, &search_wl, entry)
4077                 if (idx == sw->idx) {
4078                         focus_win(sw->win);
4079                         break;
4080                 }
4081 }
4082
4083 #define MAX_RESP_LEN    1024
4084
4085 void
4086 search_do_resp(void)
4087 {
4088         ssize_t                 rbytes;
4089         char                    *resp;
4090         unsigned long           len;
4091
4092         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4093
4094         search_resp = 0;
4095         searchpid = 0;
4096
4097         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4098                 warn("search: calloc");
4099                 goto done;
4100         }
4101
4102         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4103         if (rbytes <= 0) {
4104                 warn("search: read error");
4105                 goto done;
4106         }
4107         resp[rbytes] = '\0';
4108
4109         /* XXX:
4110          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4111          * newline, so work around that by sanitizing the resp now.
4112          */
4113         resp[strcspn(resp, "\n")] = '\0';
4114         len = strlen(resp);
4115
4116         switch (search_resp_action) {
4117         case SWM_SEARCH_UNICONIFY:
4118                 search_resp_uniconify(resp, len);
4119                 break;
4120         case SWM_SEARCH_NAME_WORKSPACE:
4121                 search_resp_name_workspace(resp, len);
4122                 break;
4123         case SWM_SEARCH_SEARCH_WORKSPACE:
4124                 search_resp_search_workspace(resp);
4125                 break;
4126         case SWM_SEARCH_SEARCH_WINDOW:
4127                 search_resp_search_window(resp);
4128                 break;
4129         }
4130
4131 done:
4132         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4133                 search_win_cleanup();
4134
4135         search_resp_action = SWM_SEARCH_NONE;
4136         close(select_resp_pipe[0]);
4137         free(resp);
4138 }
4139
4140 void
4141 wkill(struct swm_region *r, union arg *args)
4142 {
4143         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4144
4145         if (r->ws->focus == NULL)
4146                 return;
4147
4148         if (args->id == SWM_ARG_ID_KILLWINDOW)
4149                 xcb_kill_client(conn, r->ws->focus->id);
4150         else
4151                 if (r->ws->focus->can_delete)
4152                         client_msg(r->ws->focus, a_delete);
4153
4154         xcb_flush(conn);
4155 }
4156
4157
4158 int
4159 floating_toggle_win(struct ws_win *win)
4160 {
4161         struct swm_region       *r;
4162
4163         if (win == NULL)
4164                 return (0);
4165
4166         if (!win->ws->r)
4167                 return (0);
4168
4169         r = win->ws->r;
4170
4171         /* reject floating toggles in max stack mode */
4172         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4173                 return (0);
4174
4175         if (win->floating) {
4176                 if (!win->floatmaxed) {
4177                         /* retain position for refloat */
4178                         store_float_geom(win, r);
4179                 }
4180                 win->floating = 0;
4181         } else {
4182                 if (win->g_floatvalid) {
4183                         /* refloat at last floating relative position */
4184                         X(win) = win->g_float.x + X(r);
4185                         Y(win) = win->g_float.y + Y(r);
4186                         WIDTH(win) = win->g_float.w;
4187                         HEIGHT(win) = win->g_float.h;
4188                 }
4189                 win->floating = 1;
4190         }
4191
4192         ewmh_update_actions(win);
4193
4194         return (1);
4195 }
4196
4197 void
4198 floating_toggle(struct swm_region *r, union arg *args)
4199 {
4200         struct ws_win           *win = r->ws->focus;
4201         union arg               a;
4202
4203         /* suppress unused warning since var is needed */
4204         (void)args;
4205
4206         if (win == NULL)
4207                 return;
4208
4209         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4210             _NET_WM_STATE_TOGGLE);
4211
4212         stack();
4213
4214         if (win == win->ws->focus) {
4215                 a.id = SWM_ARG_ID_FOCUSCUR;
4216                 focus(win->ws->r, &a);
4217         }
4218
4219         xcb_flush(conn);
4220         event_drain(XCB_ENTER_NOTIFY);
4221 }
4222
4223 void
4224 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4225 {
4226         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4227                 if (resizable)
4228                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4229                 else
4230                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4231         }
4232
4233         if (X(win) + BORDER(win) < X(r)) {
4234                 if (resizable)
4235                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4236
4237                 X(win) = X(r) - BORDER(win);
4238         }
4239
4240         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4241                 if (resizable)
4242                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4243                 else
4244                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4245         }
4246
4247         if (Y(win) + BORDER(win) < Y(r)) {
4248                 if (resizable)
4249                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4250
4251                 Y(win) = Y(r) - BORDER(win);
4252         }
4253
4254         if (resizable) {
4255                 if (WIDTH(win) < 1)
4256                         WIDTH(win) = 1;
4257                 if (HEIGHT(win) < 1)
4258                         HEIGHT(win) = 1;
4259         }
4260 }
4261
4262 void
4263 update_window(struct ws_win *win)
4264 {
4265         uint16_t        mask;
4266         uint32_t        wc[5];
4267
4268         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4269             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4270             XCB_CONFIG_WINDOW_BORDER_WIDTH;
4271         wc[0] = X(win);
4272         wc[1] = Y(win);
4273         wc[2] = WIDTH(win);
4274         wc[3] = HEIGHT(win);
4275         wc[4] = BORDER(win);
4276
4277         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4278             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4279             wc[3], YESNO(win->bordered));
4280
4281         xcb_configure_window(conn, win->id, mask, wc);
4282 }
4283
4284 #define SWM_RESIZE_STEPS        (50)
4285
4286 void
4287 resize(struct ws_win *win, union arg *args)
4288 {
4289         xcb_timestamp_t         timestamp = 0;
4290         struct swm_region       *r = NULL;
4291         int                     resize_step = 0;
4292         struct swm_geometry     g;
4293         int                     top = 0, left = 0, resizing;
4294         int                     dx, dy;
4295         unsigned int            shape; /* cursor style */
4296         xcb_cursor_t            cursor;
4297         xcb_font_t              cursor_font;
4298         xcb_query_pointer_reply_t       *xpr;
4299         xcb_generic_event_t             *evt;
4300         xcb_motion_notify_event_t       *mne;
4301
4302         if (win == NULL)
4303                 return;
4304         r = win->ws->r;
4305
4306         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4307                 return;
4308
4309         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4310             "transient: 0x%x\n", win->id, YESNO(win->floating),
4311             win->transient);
4312
4313         if (!(win->transient != 0 || win->floating != 0))
4314                 return;
4315
4316         /* reject resizes in max mode for floaters (transient ok) */
4317         if (win->floatmaxed)
4318                 return;
4319
4320         win->manual = 1;
4321         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4322             _NET_WM_STATE_ADD);
4323
4324         stack();
4325
4326         switch (args->id) {
4327         case SWM_ARG_ID_WIDTHSHRINK:
4328                 WIDTH(win) -= SWM_RESIZE_STEPS;
4329                 resize_step = 1;
4330                 break;
4331         case SWM_ARG_ID_WIDTHGROW:
4332                 WIDTH(win) += SWM_RESIZE_STEPS;
4333                 resize_step = 1;
4334                 break;
4335         case SWM_ARG_ID_HEIGHTSHRINK:
4336                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4337                 resize_step = 1;
4338                 break;
4339         case SWM_ARG_ID_HEIGHTGROW:
4340                 HEIGHT(win) += SWM_RESIZE_STEPS;
4341                 resize_step = 1;
4342                 break;
4343         default:
4344                 break;
4345         }
4346         if (resize_step) {
4347                 constrain_window(win, r, 1);
4348                 update_window(win);
4349                 store_float_geom(win,r);
4350                 return;
4351         }
4352
4353         /* get cursor offset from window root */
4354         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4355             NULL);
4356         if (!xpr)
4357                 return;
4358
4359         g = win->g;
4360
4361         if (xpr->win_x < WIDTH(win) / 2)
4362                 left = 1;
4363
4364         if (xpr->win_y < HEIGHT(win) / 2)
4365                 top = 1;
4366
4367         if (args->id == SWM_ARG_ID_CENTER)
4368                 shape = XC_sizing;
4369         else if (top)
4370                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4371         else
4372                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4373
4374         cursor_font = xcb_generate_id(conn);
4375         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4376
4377         cursor = xcb_generate_id(conn);
4378         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4379             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4380
4381         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4382             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4383             XCB_CURRENT_TIME),
4384
4385         xcb_flush(conn);
4386         resizing = 1;
4387         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4388                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4389                 case XCB_BUTTON_RELEASE:
4390                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4391                         resizing = 0;
4392                         break;
4393                 case XCB_MOTION_NOTIFY:
4394                         mne = (xcb_motion_notify_event_t *)evt;
4395                         /* cursor offset/delta from start of the operation */
4396                         dx = mne->root_x - xpr->root_x;
4397                         dy = mne->root_y - xpr->root_y;
4398
4399                         /* vertical */
4400                         if (top)
4401                                 dy = -dy;
4402
4403                         if (args->id == SWM_ARG_ID_CENTER) {
4404                                 if (g.h / 2 + dy < 1)
4405                                         dy = 1 - g.h / 2;
4406
4407                                 Y(win) = g.y - dy;
4408                                 HEIGHT(win) = g.h + 2 * dy;
4409                         } else {
4410                                 if (g.h + dy < 1)
4411                                         dy = 1 - g.h;
4412
4413                                 if (top)
4414                                         Y(win) = g.y - dy;
4415
4416                                 HEIGHT(win) = g.h + dy;
4417                         }
4418
4419                         /* horizontal */
4420                         if (left)
4421                                 dx = -dx;
4422
4423                         if (args->id == SWM_ARG_ID_CENTER) {
4424                                 if (g.w / 2 + dx < 1)
4425                                         dx = 1 - g.w / 2;
4426
4427                                 X(win) = g.x - dx;
4428                                 WIDTH(win) = g.w + 2 * dx;
4429                         } else {
4430                                 if (g.w + dx < 1)
4431                                         dx = 1 - g.w;
4432
4433                                 if (left)
4434                                         X(win) = g.x - dx;
4435
4436                                 WIDTH(win) = g.w + dx;
4437                         }
4438
4439                         constrain_window(win, r, 1);
4440
4441                         /* not free, don't sync more than 120 times / second */
4442                         if ((mne->time - timestamp) > (1000 / 120) ) {
4443                                 timestamp = mne->time;
4444                                 do_sync();
4445                                 update_window(win);
4446                         }
4447                         break;
4448                 default:
4449                         event_handle(evt);
4450                         break;
4451                 }
4452                 free(evt);
4453         }
4454         if (timestamp) {
4455                 do_sync();
4456                 update_window(win);
4457         }
4458         store_float_geom(win,r);
4459
4460         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4461         xcb_free_cursor(conn, cursor);
4462         xcb_close_font(conn, cursor_font);
4463         free(xpr);
4464         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4465 }
4466
4467 void
4468 resize_step(struct swm_region *r, union arg *args)
4469 {
4470         struct ws_win           *win = NULL;
4471
4472         if (r && r->ws && r->ws->focus)
4473                 win = r->ws->focus;
4474         else
4475                 return;
4476
4477         resize(win, args);
4478 }
4479
4480 #define SWM_MOVE_STEPS  (50)
4481
4482 void
4483 move(struct ws_win *win, union arg *args)
4484 {
4485         xcb_timestamp_t         timestamp = 0;
4486         int                     move_step = 0, moving;
4487         struct swm_region       *r = NULL;
4488         xcb_font_t                      cursor_font;
4489         xcb_cursor_t                    cursor;
4490         xcb_query_pointer_reply_t       *qpr;
4491         xcb_generic_event_t             *evt;
4492         xcb_motion_notify_event_t       *mne;
4493
4494         if (win == NULL)
4495                 return;
4496         r = win->ws->r;
4497
4498         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4499                 return;
4500
4501         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4502             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4503
4504         /* in max_stack mode should only move transients */
4505         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4506                 return;
4507
4508         win->manual = 1;
4509         if (win->floating == 0 && !win->transient) {
4510                 store_float_geom(win, r);
4511                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4512                     _NET_WM_STATE_ADD);
4513         }
4514         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4515             _NET_WM_STATE_ADD);
4516
4517         stack();
4518
4519         move_step = 0;
4520         switch (args->id) {
4521         case SWM_ARG_ID_MOVELEFT:
4522                 X(win) -= (SWM_MOVE_STEPS - border_width);
4523                 move_step = 1;
4524                 break;
4525         case SWM_ARG_ID_MOVERIGHT:
4526                 X(win) += (SWM_MOVE_STEPS - border_width);
4527                 move_step = 1;
4528                 break;
4529         case SWM_ARG_ID_MOVEUP:
4530                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4531                 move_step = 1;
4532                 break;
4533         case SWM_ARG_ID_MOVEDOWN:
4534                 Y(win) += (SWM_MOVE_STEPS - border_width);
4535                 move_step = 1;
4536                 break;
4537         default:
4538                 break;
4539         }
4540         if (move_step) {
4541                 constrain_window(win, r, 0);
4542                 update_window(win);
4543                 store_float_geom(win, r);
4544                 return;
4545         }
4546
4547         cursor_font = xcb_generate_id(conn);
4548         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4549
4550         cursor = xcb_generate_id(conn);
4551         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4552                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4553
4554         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4555             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4556             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4557
4558         /* get cursor offset from window root */
4559         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4560                 NULL);
4561         if (!qpr) {
4562                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4563                 xcb_free_cursor(conn, cursor);
4564                 xcb_close_font(conn, cursor_font);
4565                 return;
4566         }
4567
4568         xcb_flush(conn);
4569         moving = 1;
4570         while ((evt = xcb_wait_for_event(conn)) && moving) {
4571                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4572                 case XCB_BUTTON_RELEASE:
4573                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4574                         moving = 0;
4575                         break;
4576                 case XCB_MOTION_NOTIFY:
4577                         mne = (xcb_motion_notify_event_t *)evt;
4578                         X(win) = mne->root_x - qpr->win_x - border_width;
4579                         Y(win) = mne->root_y - qpr->win_y - border_width;
4580
4581                         constrain_window(win, r, 0);
4582
4583                         /* not free, don't sync more than 120 times / second */
4584                         if ((mne->time - timestamp) > (1000 / 120) ) {
4585                                 timestamp = mne->time;
4586                                 do_sync();
4587                                 update_window(win);
4588                         }
4589                         break;
4590                 default:
4591                         event_handle(evt);
4592                         break;
4593                 }
4594                 free(evt);
4595         }
4596         if (timestamp) {
4597                 do_sync();
4598                 update_window(win);
4599         }
4600         store_float_geom(win, r);
4601         free(qpr);
4602         xcb_free_cursor(conn, cursor);
4603         xcb_close_font(conn, cursor_font);
4604         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4605         DNPRINTF(SWM_D_EVENT, "move: done\n");
4606 }
4607
4608 void
4609 move_step(struct swm_region *r, union arg *args)
4610 {
4611         struct ws_win           *win = NULL;
4612
4613         if (r && r->ws && r->ws->focus)
4614                 win = r->ws->focus;
4615         else
4616                 return;
4617
4618         if (!(win->transient != 0 || win->floating != 0))
4619                 return;
4620
4621         move(win, args);
4622 }
4623
4624
4625 /* user/key callable function IDs */
4626 enum keyfuncid {
4627         KF_BAR_TOGGLE,
4628         KF_BUTTON2,
4629         KF_CYCLE_LAYOUT,
4630         KF_FLIP_LAYOUT,
4631         KF_FLOAT_TOGGLE,
4632         KF_FOCUS_MAIN,
4633         KF_FOCUS_NEXT,
4634         KF_FOCUS_PREV,
4635         KF_HEIGHT_GROW,
4636         KF_HEIGHT_SHRINK,
4637         KF_ICONIFY,
4638         KF_MASTER_SHRINK,
4639         KF_MASTER_GROW,
4640         KF_MASTER_ADD,
4641         KF_MASTER_DEL,
4642         KF_MOVE_DOWN,
4643         KF_MOVE_LEFT,
4644         KF_MOVE_RIGHT,
4645         KF_MOVE_UP,
4646         KF_MVWS_1,
4647         KF_MVWS_2,
4648         KF_MVWS_3,
4649         KF_MVWS_4,
4650         KF_MVWS_5,
4651         KF_MVWS_6,
4652         KF_MVWS_7,
4653         KF_MVWS_8,
4654         KF_MVWS_9,
4655         KF_MVWS_10,
4656         KF_MVWS_11,
4657         KF_MVWS_12,
4658         KF_MVWS_13,
4659         KF_MVWS_14,
4660         KF_MVWS_15,
4661         KF_MVWS_16,
4662         KF_MVWS_17,
4663         KF_MVWS_18,
4664         KF_MVWS_19,
4665         KF_MVWS_20,
4666         KF_MVWS_21,
4667         KF_MVWS_22,
4668         KF_NAME_WORKSPACE,
4669         KF_QUIT,
4670         KF_RAISE_TOGGLE,
4671         KF_RESTART,
4672         KF_SCREEN_NEXT,
4673         KF_SCREEN_PREV,
4674         KF_SEARCH_WIN,
4675         KF_SEARCH_WORKSPACE,
4676         KF_SPAWN_CUSTOM,
4677         KF_STACK_INC,
4678         KF_STACK_DEC,
4679         KF_STACK_RESET,
4680         KF_SWAP_MAIN,
4681         KF_SWAP_NEXT,
4682         KF_SWAP_PREV,
4683         KF_UNICONIFY,
4684         KF_VERSION,
4685         KF_WIDTH_GROW,
4686         KF_WIDTH_SHRINK,
4687         KF_WIND_DEL,
4688         KF_WIND_KILL,
4689         KF_WS_1,
4690         KF_WS_2,
4691         KF_WS_3,
4692         KF_WS_4,
4693         KF_WS_5,
4694         KF_WS_6,
4695         KF_WS_7,
4696         KF_WS_8,
4697         KF_WS_9,
4698         KF_WS_10,
4699         KF_WS_11,
4700         KF_WS_12,
4701         KF_WS_13,
4702         KF_WS_14,
4703         KF_WS_15,
4704         KF_WS_16,
4705         KF_WS_17,
4706         KF_WS_18,
4707         KF_WS_19,
4708         KF_WS_20,
4709         KF_WS_21,
4710         KF_WS_22,
4711         KF_WS_NEXT,
4712         KF_WS_NEXT_ALL,
4713         KF_WS_PREV,
4714         KF_WS_PREV_ALL,
4715         KF_WS_PRIOR,
4716         KF_DUMPWINS, /* MUST BE LAST */
4717         KF_INVALID
4718 };
4719
4720 /* key definitions */
4721 struct keyfunc {
4722         char                    name[SWM_FUNCNAME_LEN];
4723         void                    (*func)(struct swm_region *r, union arg *);
4724         union arg               args;
4725 } keyfuncs[KF_INVALID + 1] = {
4726         /* name                 function        argument */
4727         { "bar_toggle",         bar_toggle,     {0} },
4728         { "button2",            pressbutton,    {2} },
4729         { "cycle_layout",       cycle_layout,   {0} },
4730         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4731         { "float_toggle",       floating_toggle,{0} },
4732         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4733         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4734         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4735         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4736         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4737         { "iconify",            iconify,        {0} },
4738         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4739         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4740         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4741         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4742         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4743         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4744         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4745         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4746         { "mvws_1",             send_to_ws,     {.id = 0} },
4747         { "mvws_2",             send_to_ws,     {.id = 1} },
4748         { "mvws_3",             send_to_ws,     {.id = 2} },
4749         { "mvws_4",             send_to_ws,     {.id = 3} },
4750         { "mvws_5",             send_to_ws,     {.id = 4} },
4751         { "mvws_6",             send_to_ws,     {.id = 5} },
4752         { "mvws_7",             send_to_ws,     {.id = 6} },
4753         { "mvws_8",             send_to_ws,     {.id = 7} },
4754         { "mvws_9",             send_to_ws,     {.id = 8} },
4755         { "mvws_10",            send_to_ws,     {.id = 9} },
4756         { "mvws_11",            send_to_ws,     {.id = 10} },
4757         { "mvws_12",            send_to_ws,     {.id = 11} },
4758         { "mvws_13",            send_to_ws,     {.id = 12} },
4759         { "mvws_14",            send_to_ws,     {.id = 13} },
4760         { "mvws_15",            send_to_ws,     {.id = 14} },
4761         { "mvws_16",            send_to_ws,     {.id = 15} },
4762         { "mvws_17",            send_to_ws,     {.id = 16} },
4763         { "mvws_18",            send_to_ws,     {.id = 17} },
4764         { "mvws_19",            send_to_ws,     {.id = 18} },
4765         { "mvws_20",            send_to_ws,     {.id = 19} },
4766         { "mvws_21",            send_to_ws,     {.id = 20} },
4767         { "mvws_22",            send_to_ws,     {.id = 21} },
4768         { "name_workspace",     name_workspace, {0} },
4769         { "quit",               quit,           {0} },
4770         { "raise_toggle",       raise_toggle,   {0} },
4771         { "restart",            restart,        {0} },
4772         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4773         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4774         { "search_win",         search_win,     {0} },
4775         { "search_workspace",   search_workspace,       {0} },
4776         { "spawn_custom",       NULL,           {0} },
4777         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4778         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4779         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4780         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4781         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4782         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4783         { "uniconify",          uniconify,      {0} },
4784         { "version",            version,        {0} },
4785         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4786         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4787         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4788         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4789         { "ws_1",               switchws,       {.id = 0} },
4790         { "ws_2",               switchws,       {.id = 1} },
4791         { "ws_3",               switchws,       {.id = 2} },
4792         { "ws_4",               switchws,       {.id = 3} },
4793         { "ws_5",               switchws,       {.id = 4} },
4794         { "ws_6",               switchws,       {.id = 5} },
4795         { "ws_7",               switchws,       {.id = 6} },
4796         { "ws_8",               switchws,       {.id = 7} },
4797         { "ws_9",               switchws,       {.id = 8} },
4798         { "ws_10",              switchws,       {.id = 9} },
4799         { "ws_11",              switchws,       {.id = 10} },
4800         { "ws_12",              switchws,       {.id = 11} },
4801         { "ws_13",              switchws,       {.id = 12} },
4802         { "ws_14",              switchws,       {.id = 13} },
4803         { "ws_15",              switchws,       {.id = 14} },
4804         { "ws_16",              switchws,       {.id = 15} },
4805         { "ws_17",              switchws,       {.id = 16} },
4806         { "ws_18",              switchws,       {.id = 17} },
4807         { "ws_19",              switchws,       {.id = 18} },
4808         { "ws_20",              switchws,       {.id = 19} },
4809         { "ws_21",              switchws,       {.id = 20} },
4810         { "ws_22",              switchws,       {.id = 21} },
4811         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4812         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4813         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4814         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4815         { "ws_prior",           priorws,        {0} },
4816         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4817         { "invalid key func",   NULL,           {0} },
4818 };
4819 struct key {
4820         RB_ENTRY(key)           entry;
4821         unsigned int            mod;
4822         KeySym                  keysym;
4823         enum keyfuncid          funcid;
4824         char                    *spawn_name;
4825 };
4826 RB_HEAD(key_tree, key);
4827
4828 int
4829 key_cmp(struct key *kp1, struct key *kp2)
4830 {
4831         if (kp1->keysym < kp2->keysym)
4832                 return (-1);
4833         if (kp1->keysym > kp2->keysym)
4834                 return (1);
4835
4836         if (kp1->mod < kp2->mod)
4837                 return (-1);
4838         if (kp1->mod > kp2->mod)
4839                 return (1);
4840
4841         return (0);
4842 }
4843
4844 RB_GENERATE(key_tree, key, entry, key_cmp);
4845 struct key_tree                 keys;
4846
4847 /* mouse */
4848 enum { client_click, root_click };
4849 struct button {
4850         unsigned int            action;
4851         unsigned int            mask;
4852         unsigned int            button;
4853         void                    (*func)(struct ws_win *, union arg *);
4854         union arg               args;
4855 } buttons[] = {
4856           /* action     key             mouse button    func    args */
4857         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4858         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4859         { client_click, MODKEY,         Button1,        move,   {0} },
4860 };
4861
4862 void
4863 update_modkey(unsigned int mod)
4864 {
4865         int                     i;
4866         struct key              *kp;
4867
4868         mod_key = mod;
4869         RB_FOREACH(kp, key_tree, &keys)
4870                 if (kp->mod & ShiftMask)
4871                         kp->mod = mod | ShiftMask;
4872                 else
4873                         kp->mod = mod;
4874
4875         for (i = 0; i < LENGTH(buttons); i++)
4876                 if (buttons[i].mask & ShiftMask)
4877                         buttons[i].mask = mod | ShiftMask;
4878                 else
4879                         buttons[i].mask = mod;
4880 }
4881
4882 /* spawn */
4883 struct spawn_prog {
4884         TAILQ_ENTRY(spawn_prog) entry;
4885         char                    *name;
4886         int                     argc;
4887         char                    **argv;
4888 };
4889 TAILQ_HEAD(spawn_list, spawn_prog);
4890 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4891
4892 int
4893 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4894     char ***ret_args)
4895 {
4896         struct spawn_prog       *prog = NULL;
4897         int                     i;
4898         char                    *ap, **real_args;
4899
4900         /* suppress unused warning since var is needed */
4901         (void)args;
4902
4903         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4904
4905         /* find program */
4906         TAILQ_FOREACH(prog, &spawns, entry) {
4907                 if (!strcasecmp(spawn_name, prog->name))
4908                         break;
4909         }
4910         if (prog == NULL) {
4911                 warnx("spawn_custom: program %s not found", spawn_name);
4912                 return (-1);
4913         }
4914
4915         /* make room for expanded args */
4916         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4917                 err(1, "spawn_custom: calloc real_args");
4918
4919         /* expand spawn_args into real_args */
4920         for (i = 0; i < prog->argc; i++) {
4921                 ap = prog->argv[i];
4922                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4923                 if (!strcasecmp(ap, "$bar_border")) {
4924                         if ((real_args[i] =
4925                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4926                             == NULL)
4927                                 err(1,  "spawn_custom border color");
4928                 } else if (!strcasecmp(ap, "$bar_color")) {
4929                         if ((real_args[i] =
4930                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4931                             == NULL)
4932                                 err(1, "spawn_custom bar color");
4933                 } else if (!strcasecmp(ap, "$bar_font")) {
4934                         if ((real_args[i] = strdup(bar_fonts))
4935                             == NULL)
4936                                 err(1, "spawn_custom bar fonts");
4937                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4938                         if ((real_args[i] =
4939                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4940                             == NULL)
4941                                 err(1, "spawn_custom color font");
4942                 } else if (!strcasecmp(ap, "$color_focus")) {
4943                         if ((real_args[i] =
4944                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4945                             == NULL)
4946                                 err(1, "spawn_custom color focus");
4947                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4948                         if ((real_args[i] =
4949                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4950                             == NULL)
4951                                 err(1, "spawn_custom color unfocus");
4952                 } else {
4953                         /* no match --> copy as is */
4954                         if ((real_args[i] = strdup(ap)) == NULL)
4955                                 err(1, "spawn_custom strdup(ap)");
4956                 }
4957                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4958                     real_args[i]);
4959         }
4960
4961 #ifdef SWM_DEBUG
4962         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4963         for (i = 0; i < prog->argc; i++)
4964                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4965         DNPRINTF(SWM_D_SPAWN, "\n");
4966 #endif
4967         *ret_args = real_args;
4968         return (prog->argc);
4969 }
4970
4971 void
4972 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4973 {
4974         union arg               a;
4975         char                    **real_args;
4976         int                     spawn_argc, i;
4977
4978         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4979                 return;
4980         a.argv = real_args;
4981         if (fork() == 0)
4982                 spawn(r->ws->idx, &a, 1);
4983
4984         for (i = 0; i < spawn_argc; i++)
4985                 free(real_args[i]);
4986         free(real_args);
4987 }
4988
4989 void
4990 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4991 {
4992         union arg               a;
4993         char                    **real_args;
4994         int                     i, spawn_argc;
4995
4996         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4997                 return;
4998         a.argv = real_args;
4999
5000         if (pipe(select_list_pipe) == -1)
5001                 err(1, "pipe error");
5002         if (pipe(select_resp_pipe) == -1)
5003                 err(1, "pipe error");
5004
5005         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5006                 err(1, "could not disable SIGPIPE");
5007         switch (*pid = fork()) {
5008         case -1:
5009                 err(1, "cannot fork");
5010                 break;
5011         case 0: /* child */
5012                 if (dup2(select_list_pipe[0], 0) == -1)
5013                         err(1, "dup2");
5014                 if (dup2(select_resp_pipe[1], 1) == -1)
5015                         err(1, "dup2");
5016                 close(select_list_pipe[1]);
5017                 close(select_resp_pipe[0]);
5018                 spawn(r->ws->idx, &a, 0);
5019                 break;
5020         default: /* parent */
5021                 close(select_list_pipe[0]);
5022                 close(select_resp_pipe[1]);
5023                 break;
5024         }
5025
5026         for (i = 0; i < spawn_argc; i++)
5027                 free(real_args[i]);
5028         free(real_args);
5029 }
5030
5031 void
5032 spawn_insert(char *name, char *args)
5033 {
5034         char                    *arg, *cp, *ptr;
5035         struct spawn_prog       *sp;
5036
5037         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5038
5039         if ((sp = calloc(1, sizeof *sp)) == NULL)
5040                 err(1, "spawn_insert: calloc");
5041         if ((sp->name = strdup(name)) == NULL)
5042                 err(1, "spawn_insert: strdup");
5043
5044         /* convert the arguments to an argument list */
5045         if ((ptr = cp = strdup(args)) == NULL)
5046                 err(1, "spawn_insert: strdup");
5047         while ((arg = strsep(&ptr, " \t")) != NULL) {
5048                 /* empty field; skip it */
5049                 if (*arg == '\0')
5050                         continue;
5051
5052                 sp->argc++;
5053                 if ((sp->argv = realloc(sp->argv, sp->argc *
5054                     sizeof *sp->argv)) == NULL)
5055                         err(1, "spawn_insert: realloc");
5056                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5057                         err(1, "spawn_insert: strdup");
5058         }
5059         free(cp);
5060
5061         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5062         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5063 }
5064
5065 void
5066 spawn_remove(struct spawn_prog *sp)
5067 {
5068         int                     i;
5069
5070         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5071
5072         TAILQ_REMOVE(&spawns, sp, entry);
5073         for (i = 0; i < sp->argc; i++)
5074                 free(sp->argv[i]);
5075         free(sp->argv);
5076         free(sp->name);
5077         free(sp);
5078
5079         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5080 }
5081
5082 void
5083 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5084 {
5085         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5086
5087         spawn_remove(sp);
5088         spawn_insert(name, args);
5089
5090         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5091 }
5092
5093 void
5094 setspawn(char *name, char *args)
5095 {
5096         struct spawn_prog       *sp;
5097
5098         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5099
5100         if (name == NULL)
5101                 return;
5102
5103         TAILQ_FOREACH(sp, &spawns, entry) {
5104                 if (!strcmp(sp->name, name)) {
5105                         if (*args == '\0')
5106                                 spawn_remove(sp);
5107                         else
5108                                 spawn_replace(sp, name, args);
5109                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5110                         return;
5111                 }
5112         }
5113         if (*args == '\0') {
5114                 warnx("error: setspawn: cannot find program: %s", name);
5115                 return;
5116         }
5117
5118         spawn_insert(name, args);
5119         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5120 }
5121
5122 int
5123 setconfspawn(char *selector, char *value, int flags)
5124 {
5125         /* suppress unused warning since var is needed */
5126         (void)flags;
5127
5128         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5129
5130         setspawn(selector, value);
5131
5132         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5133         return (0);
5134 }
5135
5136 void
5137 setup_spawn(void)
5138 {
5139         setconfspawn("term",            "xterm",                0);
5140         setconfspawn("spawn_term",      "xterm",                0);
5141         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5142         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5143         setconfspawn("lock",            "xlock",                0);
5144         setconfspawn("initscr",         "initscreen.sh",        0);
5145         setconfspawn("menu",            "dmenu_run"
5146                                         " -fn $bar_font"
5147                                         " -nb $bar_color"
5148                                         " -nf $bar_font_color"
5149                                         " -sb $bar_border"
5150                                         " -sf $bar_color",      0);
5151         setconfspawn("search",          "dmenu"
5152                                         " -i"
5153                                         " -fn $bar_font"
5154                                         " -nb $bar_color"
5155                                         " -nf $bar_font_color"
5156                                         " -sb $bar_border"
5157                                         " -sf $bar_color",      0);
5158         setconfspawn("name_workspace",  "dmenu"
5159                                         " -p Workspace"
5160                                         " -fn $bar_font"
5161                                         " -nb $bar_color"
5162                                         " -nf $bar_font_color"
5163                                         " -sb $bar_border"
5164                                         " -sf $bar_color",      0);
5165 }
5166
5167 /* key bindings */
5168 #define SWM_MODNAME_SIZE        32
5169 #define SWM_KEY_WS              "\n+ \t"
5170 int
5171 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5172 {
5173         char                    *cp, *name;
5174         KeySym                  uks;
5175         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5176         if (mod == NULL || ks == NULL) {
5177                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5178                 return (1);
5179         }
5180         if (keystr == NULL || strlen(keystr) == 0) {
5181                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5182                 return (1);
5183         }
5184         cp = keystr;
5185         *ks = XCB_NO_SYMBOL;
5186         *mod = 0;
5187         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5188                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5189                 if (cp)
5190                         cp += (long)strspn(cp, SWM_KEY_WS);
5191                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5192                         *mod |= currmod;
5193                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5194                         *mod |= Mod1Mask;
5195                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5196                         *mod += Mod2Mask;
5197                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5198                         *mod |= Mod3Mask;
5199                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5200                         *mod |= Mod4Mask;
5201                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5202                         *mod |= ShiftMask;
5203                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5204                         *mod |= ControlMask;
5205                 else {
5206                         *ks = XStringToKeysym(name);
5207                         XConvertCase(*ks, ks, &uks);
5208                         if (ks == XCB_NO_SYMBOL) {
5209                                 DNPRINTF(SWM_D_KEY,
5210                                     "parsekeys: invalid key %s\n",
5211                                     name);
5212                                 return (1);
5213                         }
5214                 }
5215         }
5216         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5217         return (0);
5218 }
5219
5220 char *
5221 strdupsafe(char *str)
5222 {
5223         if (str == NULL)
5224                 return (NULL);
5225         else
5226                 return (strdup(str));
5227 }
5228
5229 void
5230 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5231 {
5232         struct key              *kp;
5233
5234         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5235             keyfuncs[kfid].name, spawn_name);
5236
5237         if ((kp = malloc(sizeof *kp)) == NULL)
5238                 err(1, "key_insert: malloc");
5239
5240         kp->mod = mod;
5241         kp->keysym = ks;
5242         kp->funcid = kfid;
5243         kp->spawn_name = strdupsafe(spawn_name);
5244         RB_INSERT(key_tree, &keys, kp);
5245
5246         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5247 }
5248
5249 struct key *
5250 key_lookup(unsigned int mod, KeySym ks)
5251 {
5252         struct key              kp;
5253
5254         kp.keysym = ks;
5255         kp.mod = mod;
5256
5257         return (RB_FIND(key_tree, &keys, &kp));
5258 }
5259
5260 void
5261 key_remove(struct key *kp)
5262 {
5263         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5264
5265         RB_REMOVE(key_tree, &keys, kp);
5266         free(kp->spawn_name);
5267         free(kp);
5268
5269         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5270 }
5271
5272 void
5273 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5274     char *spawn_name)
5275 {
5276         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5277             spawn_name);
5278
5279         key_remove(kp);
5280         key_insert(mod, ks, kfid, spawn_name);
5281
5282         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5283 }
5284
5285 void
5286 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5287     char *spawn_name)
5288 {
5289         struct key              *kp;
5290
5291         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5292             keyfuncs[kfid].name, spawn_name);
5293
5294         if ((kp = key_lookup(mod, ks)) != NULL) {
5295                 if (kfid == KF_INVALID)
5296                         key_remove(kp);
5297                 else
5298                         key_replace(kp, mod, ks, kfid, spawn_name);
5299                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5300                 return;
5301         }
5302         if (kfid == KF_INVALID) {
5303                 warnx("error: setkeybinding: cannot find mod/key combination");
5304                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5305                 return;
5306         }
5307
5308         key_insert(mod, ks, kfid, spawn_name);
5309         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5310 }
5311
5312 int
5313 setconfbinding(char *selector, char *value, int flags)
5314 {
5315         enum keyfuncid          kfid;
5316         unsigned int            mod;
5317         KeySym                  ks;
5318         struct spawn_prog       *sp;
5319
5320         /* suppress unused warning since var is needed */
5321         (void)flags;
5322
5323         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5324         if (selector == NULL) {
5325                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5326                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5327                         kfid = KF_INVALID;
5328                         setkeybinding(mod, ks, kfid, NULL);
5329                         return (0);
5330                 } else
5331                         return (1);
5332         }
5333         /* search by key function name */
5334         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5335                 if (strncasecmp(selector, keyfuncs[kfid].name,
5336                     SWM_FUNCNAME_LEN) == 0) {
5337                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5338                             selector);
5339                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5340                                 setkeybinding(mod, ks, kfid, NULL);
5341                                 return (0);
5342                         } else
5343                                 return (1);
5344                 }
5345         }
5346         /* search by custom spawn name */
5347         TAILQ_FOREACH(sp, &spawns, entry) {
5348                 if (strcasecmp(selector, sp->name) == 0) {
5349                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5350                             selector);
5351                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5352                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5353                                     sp->name);
5354                                 return (0);
5355                         } else
5356                                 return (1);
5357                 }
5358         }
5359         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5360         return (1);
5361 }
5362
5363 void
5364 setup_keys(void)
5365 {
5366         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5367         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5368         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5369         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5370         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5371         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5372         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5373         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5374         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5375         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5376         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5377         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5378         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5379         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5380         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5381         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5382         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5383         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5384         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5385         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5386         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5387         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5388         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5389         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5390         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5391         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5392         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5393         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5394         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5395         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5396         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5397         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5398         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5399         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5400         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5401         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5402         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5403         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5404         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5405         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5406         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5407         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5408         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5409         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5410         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5411         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5412         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5413         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5414         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5415         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5416         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5417         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5418         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5419         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5420         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5421         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5422         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5423         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5424         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5425         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5426         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5427         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5428         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5429         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5430         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5431         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5432         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5433         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5434         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5435         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5436         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5437         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5438         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5439         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5440         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5441         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5442         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5443         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5444         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5445         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5446         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5447         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5448         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5449         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5450         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5451         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5452         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5453         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5454         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5455         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5456         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5457         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5458         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5459         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5460         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5461         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5462 #ifdef SWM_DEBUG
5463         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5464 #endif
5465 }
5466
5467 void
5468 clear_keys(void)
5469 {
5470         struct key              *kp;
5471
5472         while (RB_EMPTY(&keys) == 0) {
5473                 kp = RB_ROOT(&keys);
5474                 key_remove(kp);
5475         }
5476 }
5477
5478 int
5479 setkeymapping(char *selector, char *value, int flags)
5480 {
5481         char                    keymapping_file[PATH_MAX];
5482
5483         /* suppress unused warnings since vars are needed */
5484         (void)selector;
5485         (void)flags;
5486
5487         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5488         if (value[0] == '~')
5489                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5490                     pwd->pw_dir, &value[1]);
5491         else
5492                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5493         clear_keys();
5494         /* load new key bindings; if it fails, revert to default bindings */
5495         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5496                 clear_keys();
5497                 setup_keys();
5498         }
5499         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5500         return (0);
5501 }
5502
5503 void
5504 updatenumlockmask(void)
5505 {
5506         unsigned int                            i, j;
5507         xcb_get_modifier_mapping_reply_t        *modmap_r;
5508         xcb_keycode_t                           *modmap, kc, *keycode;
5509
5510         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5511         numlockmask = 0;
5512
5513         modmap_r = xcb_get_modifier_mapping_reply(conn,
5514             xcb_get_modifier_mapping(conn),
5515             NULL);
5516         if (modmap_r) {
5517                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5518                 for (i = 0; i < 8; i++) {
5519                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5520                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5521                                     + j];
5522                                 keycode = xcb_key_symbols_get_keycode(syms,
5523                                                 XK_Num_Lock);
5524                                 if (kc == *keycode)
5525                                         numlockmask = (1 << i);
5526                                 free(keycode);
5527                         }
5528                 }
5529                 free(modmap_r);
5530         }
5531 }
5532
5533 void
5534 grabkeys(void)
5535 {
5536         int                     num_screens, k;
5537         unsigned int            j;
5538         xcb_keycode_t           *code;
5539         unsigned int            modifiers[] =
5540             { 0, LockMask, numlockmask, numlockmask | LockMask };
5541         struct key              *kp;
5542
5543         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5544         updatenumlockmask();
5545
5546         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5547         for (k = 0; k < num_screens; k++) {
5548                 if (TAILQ_EMPTY(&screens[k].rl))
5549                         continue;
5550                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5551                         XCB_MOD_MASK_ANY);
5552                 RB_FOREACH(kp, key_tree, &keys) {
5553                         if ((code = xcb_key_symbols_get_keycode(syms,
5554                                         kp->keysym)))
5555                                 for (j = 0; j < LENGTH(modifiers); j++)
5556                                         xcb_grab_key(conn, 1,
5557                                             screens[k].root,
5558                                             kp->mod | modifiers[j],
5559                                             *code, XCB_GRAB_MODE_ASYNC,
5560                                             XCB_GRAB_MODE_ASYNC);
5561                                 free(code);
5562                 }
5563         }
5564 }
5565
5566 void
5567 grabbuttons(struct ws_win *win, int focused)
5568 {
5569         unsigned int            i, j;
5570         unsigned int            modifiers[] =
5571             { 0, LockMask, numlockmask, numlockmask|LockMask };
5572
5573         updatenumlockmask();
5574         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5575             XCB_BUTTON_MASK_ANY);
5576         if (focused) {
5577                 for (i = 0; i < LENGTH(buttons); i++)
5578                         if (buttons[i].action == client_click)
5579                                 for (j = 0; j < LENGTH(modifiers); j++)
5580                                         xcb_grab_button(conn, 0, win->id,
5581                                             BUTTONMASK,
5582                                             XCB_GRAB_MODE_ASYNC,
5583                                             XCB_GRAB_MODE_SYNC,
5584                                             XCB_WINDOW_NONE,
5585                                             XCB_CURSOR_NONE,
5586                                             buttons[i].button,
5587                                             buttons[i].mask);
5588         } else
5589                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
5590                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5591                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5592 }
5593
5594 const char *quirkname[] = {
5595         "NONE",         /* config string for "no value" */
5596         "FLOAT",
5597         "TRANSSZ",
5598         "ANYWHERE",
5599         "XTERM_FONTADJ",
5600         "FULLSCREEN",
5601         "FOCUSPREV",
5602 };
5603
5604 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5605 #define SWM_Q_WS                "\n|+ \t"
5606 int
5607 parsequirks(char *qstr, unsigned long *quirk)
5608 {
5609         char                    *cp, *name;
5610         int                     i;
5611
5612         if (quirk == NULL)
5613                 return (1);
5614
5615         cp = qstr;
5616         *quirk = 0;
5617         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5618                 if (cp)
5619                         cp += (long)strspn(cp, SWM_Q_WS);
5620                 for (i = 0; i < LENGTH(quirkname); i++) {
5621                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5622                                 DNPRINTF(SWM_D_QUIRK,
5623                                     "parsequirks: %s\n", name);
5624                                 if (i == 0) {
5625                                         *quirk = 0;
5626                                         return (0);
5627                                 }
5628                                 *quirk |= 1 << (i-1);
5629                                 break;
5630                         }
5631                 }
5632                 if (i >= LENGTH(quirkname)) {
5633                         DNPRINTF(SWM_D_QUIRK,
5634                             "parsequirks: invalid quirk [%s]\n", name);
5635                         return (1);
5636                 }
5637         }
5638         return (0);
5639 }
5640
5641 void
5642 quirk_insert(const char *class, const char *name, unsigned long quirk)
5643 {
5644         struct quirk            *qp;
5645
5646         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5647             quirk);
5648
5649         if ((qp = malloc(sizeof *qp)) == NULL)
5650                 err(1, "quirk_insert: malloc");
5651         if ((qp->class = strdup(class)) == NULL)
5652                 err(1, "quirk_insert: strdup");
5653         if ((qp->name = strdup(name)) == NULL)
5654                 err(1, "quirk_insert: strdup");
5655
5656         qp->quirk = quirk;
5657         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5658
5659         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5660 }
5661
5662 void
5663 quirk_remove(struct quirk *qp)
5664 {
5665         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5666             qp->name, qp->quirk);
5667
5668         TAILQ_REMOVE(&quirks, qp, entry);
5669         free(qp->class);
5670         free(qp->name);
5671         free(qp);
5672
5673         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5674 }
5675
5676 void
5677 quirk_replace(struct quirk *qp, const char *class, const char *name,
5678     unsigned long quirk)
5679 {
5680         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5681             qp->name, qp->quirk);
5682
5683         quirk_remove(qp);
5684         quirk_insert(class, name, quirk);
5685
5686         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5687 }
5688
5689 void
5690 setquirk(const char *class, const char *name, unsigned long quirk)
5691 {
5692         struct quirk            *qp;
5693
5694         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5695            quirk);
5696
5697         TAILQ_FOREACH(qp, &quirks, entry) {
5698                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5699                         if (!quirk)
5700                                 quirk_remove(qp);
5701                         else
5702                                 quirk_replace(qp, class, name, quirk);
5703                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5704                         return;
5705                 }
5706         }
5707         if (!quirk) {
5708                 warnx("error: setquirk: cannot find class/name combination");
5709                 return;
5710         }
5711
5712         quirk_insert(class, name, quirk);
5713         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5714 }
5715
5716 int
5717 setconfquirk(char *selector, char *value, int flags)
5718 {
5719         char                    *cp, *class, *name;
5720         int                     retval;
5721         unsigned long           quirks;
5722
5723         /* suppress unused warning since var is needed */
5724         (void)flags;
5725
5726         if (selector == NULL)
5727                 return (0);
5728         if ((cp = strchr(selector, ':')) == NULL)
5729                 return (0);
5730         *cp = '\0';
5731         class = selector;
5732         name = cp + 1;
5733         if ((retval = parsequirks(value, &quirks)) == 0)
5734                 setquirk(class, name, quirks);
5735         return (retval);
5736 }
5737
5738 void
5739 setup_quirks(void)
5740 {
5741         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5742         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5743         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5744         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5745         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5746         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5747         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5748         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5749         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5750         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5751         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5752         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5753         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5754 }
5755
5756 /* conf file stuff */
5757 #define SWM_CONF_FILE           "spectrwm.conf"
5758 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5759
5760 enum {
5761         SWM_S_BAR_ACTION,
5762         SWM_S_BAR_AT_BOTTOM,
5763         SWM_S_BAR_BORDER_WIDTH,
5764         SWM_S_BAR_DELAY,
5765         SWM_S_BAR_ENABLED,
5766         SWM_S_BAR_FONT,
5767         SWM_S_BAR_FORMAT,
5768         SWM_S_BAR_JUSTIFY,
5769         SWM_S_BORDER_WIDTH,
5770         SWM_S_CLOCK_ENABLED,
5771         SWM_S_CLOCK_FORMAT,
5772         SWM_S_CYCLE_EMPTY,
5773         SWM_S_CYCLE_VISIBLE,
5774         SWM_S_DIALOG_RATIO,
5775         SWM_S_DISABLE_BORDER,
5776         SWM_S_FOCUS_CLOSE,
5777         SWM_S_FOCUS_CLOSE_WRAP,
5778         SWM_S_FOCUS_DEFAULT,
5779         SWM_S_FOCUS_MODE,
5780         SWM_S_SPAWN_ORDER,
5781         SWM_S_SPAWN_TERM,
5782         SWM_S_SS_APP,
5783         SWM_S_SS_ENABLED,
5784         SWM_S_STACK_ENABLED,
5785         SWM_S_TERM_WIDTH,
5786         SWM_S_TITLE_CLASS_ENABLED,
5787         SWM_S_TITLE_NAME_ENABLED,
5788         SWM_S_URGENT_ENABLED,
5789         SWM_S_VERBOSE_LAYOUT,
5790         SWM_S_WINDOW_NAME_ENABLED,
5791         SWM_S_WORKSPACE_LIMIT
5792 };
5793
5794 int
5795 setconfvalue(char *selector, char *value, int flags)
5796 {
5797         int     i;
5798         char    *b;
5799
5800         /* suppress unused warning since var is needed */
5801         (void)selector;
5802
5803         switch (flags) {
5804         case SWM_S_BAR_ACTION:
5805                 free(bar_argv[0]);
5806                 if ((bar_argv[0] = strdup(value)) == NULL)
5807                         err(1, "setconfvalue: bar_action");
5808                 break;
5809         case SWM_S_BAR_AT_BOTTOM:
5810                 bar_at_bottom = atoi(value);
5811                 break;
5812         case SWM_S_BAR_BORDER_WIDTH:
5813                 bar_border_width = atoi(value);
5814                 if (bar_border_width < 0)
5815                         bar_border_width = 0;
5816                 break;
5817         case SWM_S_BAR_DELAY:
5818                 bar_delay = atoi(value);
5819                 break;
5820         case SWM_S_BAR_ENABLED:
5821                 bar_enabled = atoi(value);
5822                 break;
5823         case SWM_S_BAR_FONT:
5824                 b = bar_fonts;
5825                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5826                         err(1, "setconfvalue: asprintf: failed to allocate "
5827                                 "memory for bar_fonts.");
5828                 free(b);
5829                 break;
5830         case SWM_S_BAR_FORMAT:
5831                 free(bar_format);
5832                 if ((bar_format = strdup(value)) == NULL)
5833                         err(1, "setconfvalue: bar_format");
5834                 break;
5835         case SWM_S_BAR_JUSTIFY:
5836                 if (!strcmp(value, "left"))
5837                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5838                 else if (!strcmp(value, "center"))
5839                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5840                 else if (!strcmp(value, "right"))
5841                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5842                 else
5843                         errx(1, "invalid bar_justify");
5844                 break;
5845         case SWM_S_BORDER_WIDTH:
5846                 border_width = atoi(value);
5847                 if (border_width < 0)
5848                         border_width = 0;
5849                 break;
5850         case SWM_S_CLOCK_ENABLED:
5851                 clock_enabled = atoi(value);
5852                 break;
5853         case SWM_S_CLOCK_FORMAT:
5854 #ifndef SWM_DENY_CLOCK_FORMAT
5855                 free(clock_format);
5856                 if ((clock_format = strdup(value)) == NULL)
5857                         err(1, "setconfvalue: clock_format");
5858 #endif
5859                 break;
5860         case SWM_S_CYCLE_EMPTY:
5861                 cycle_empty = atoi(value);
5862                 break;
5863         case SWM_S_CYCLE_VISIBLE:
5864                 cycle_visible = atoi(value);
5865                 break;
5866         case SWM_S_DIALOG_RATIO:
5867                 dialog_ratio = atof(value);
5868                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5869                         dialog_ratio = .6;
5870                 break;
5871         case SWM_S_DISABLE_BORDER:
5872                 disable_border = atoi(value);
5873                 break;
5874         case SWM_S_FOCUS_CLOSE:
5875                 if (!strcmp(value, "first"))
5876                         focus_close = SWM_STACK_BOTTOM;
5877                 else if (!strcmp(value, "last"))
5878                         focus_close = SWM_STACK_TOP;
5879                 else if (!strcmp(value, "next"))
5880                         focus_close = SWM_STACK_ABOVE;
5881                 else if (!strcmp(value, "previous"))
5882                         focus_close = SWM_STACK_BELOW;
5883                 else
5884                         errx(1, "focus_close");
5885                 break;
5886         case SWM_S_FOCUS_CLOSE_WRAP:
5887                 focus_close_wrap = atoi(value);
5888                 break;
5889         case SWM_S_FOCUS_DEFAULT:
5890                 if (!strcmp(value, "last"))
5891                         focus_default = SWM_STACK_TOP;
5892                 else if (!strcmp(value, "first"))
5893                         focus_default = SWM_STACK_BOTTOM;
5894                 else
5895                         errx(1, "focus_default");
5896                 break;
5897         case SWM_S_FOCUS_MODE:
5898                 if (!strcmp(value, "default"))
5899                         focus_mode = SWM_FOCUS_DEFAULT;
5900                 else if (!strcmp(value, "follow_cursor"))
5901                         focus_mode = SWM_FOCUS_FOLLOW;
5902                 else if (!strcmp(value, "synergy"))
5903                         focus_mode = SWM_FOCUS_SYNERGY;
5904                 else
5905                         errx(1, "focus_mode");
5906                 break;
5907         case SWM_S_SPAWN_ORDER:
5908                 if (!strcmp(value, "first"))
5909                         spawn_position = SWM_STACK_BOTTOM;
5910                 else if (!strcmp(value, "last"))
5911                         spawn_position = SWM_STACK_TOP;
5912                 else if (!strcmp(value, "next"))
5913                         spawn_position = SWM_STACK_ABOVE;
5914                 else if (!strcmp(value, "previous"))
5915                         spawn_position = SWM_STACK_BELOW;
5916                 else
5917                         errx(1, "spawn_position");
5918                 break;
5919         case SWM_S_SPAWN_TERM:
5920                 setconfspawn("term", value, 0);
5921                 setconfspawn("spawn_term", value, 0);
5922                 break;
5923         case SWM_S_SS_APP:
5924                 break;
5925         case SWM_S_SS_ENABLED:
5926                 ss_enabled = atoi(value);
5927                 break;
5928         case SWM_S_STACK_ENABLED:
5929                 stack_enabled = atoi(value);
5930                 break;
5931         case SWM_S_TERM_WIDTH:
5932                 term_width = atoi(value);
5933                 if (term_width < 0)
5934                         term_width = 0;
5935                 break;
5936         case SWM_S_TITLE_CLASS_ENABLED:
5937                 title_class_enabled = atoi(value);
5938                 break;
5939         case SWM_S_TITLE_NAME_ENABLED:
5940                 title_name_enabled = atoi(value);
5941                 break;
5942         case SWM_S_URGENT_ENABLED:
5943                 urgent_enabled = atoi(value);
5944                 break;
5945         case SWM_S_VERBOSE_LAYOUT:
5946                 verbose_layout = atoi(value);
5947                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5948                         if (verbose_layout)
5949                                 layouts[i].l_string = fancy_stacker;
5950                         else
5951                                 layouts[i].l_string = plain_stacker;
5952                 }
5953                 break;
5954         case SWM_S_WINDOW_NAME_ENABLED:
5955                 window_name_enabled = atoi(value);
5956                 break;
5957         case SWM_S_WORKSPACE_LIMIT:
5958                 workspace_limit = atoi(value);
5959                 if (workspace_limit > SWM_WS_MAX)
5960                         workspace_limit = SWM_WS_MAX;
5961                 else if (workspace_limit < 1)
5962                         workspace_limit = 1;
5963                 break;
5964         default:
5965                 return (1);
5966         }
5967         return (0);
5968 }
5969
5970 int
5971 setconfmodkey(char *selector, char *value, int flags)
5972 {
5973         /* suppress unused warnings since vars are needed */
5974         (void)selector;
5975         (void)flags;
5976
5977         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5978                 update_modkey(Mod1Mask);
5979         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5980                 update_modkey(Mod2Mask);
5981         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5982                 update_modkey(Mod3Mask);
5983         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5984                 update_modkey(Mod4Mask);
5985         else
5986                 return (1);
5987         return (0);
5988 }
5989
5990 int
5991 setconfcolor(char *selector, char *value, int flags)
5992 {
5993         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5994         return (0);
5995 }
5996
5997 int
5998 setconfregion(char *selector, char *value, int flags)
5999 {
6000         /* suppress unused warnings since vars are needed */
6001         (void)selector;
6002         (void)flags;
6003
6004         custom_region(value);
6005         return (0);
6006 }
6007
6008 int
6009 setautorun(char *selector, char *value, int flags)
6010 {
6011         int                     ws_id;
6012         char                    s[1024];
6013         char                    *ap, *sp = s;
6014         union arg               a;
6015         int                     argc = 0;
6016         pid_t                   pid;
6017         struct pid_e            *p;
6018
6019         /* suppress unused warnings since vars are needed */
6020         (void)selector;
6021         (void)flags;
6022
6023         if (getenv("SWM_STARTED"))
6024                 return (0);
6025
6026         bzero(s, sizeof s);
6027         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6028                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6029         ws_id--;
6030         if (ws_id < 0 || ws_id >= workspace_limit)
6031                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6032
6033         /*
6034          * This is a little intricate
6035          *
6036          * If the pid already exists we simply reuse it because it means it was
6037          * used before AND not claimed by manage_window.  We get away with
6038          * altering it in the parent after INSERT because this can not be a race
6039          */
6040         a.argv = NULL;
6041         while ((ap = strsep(&sp, " \t")) != NULL) {
6042                 if (*ap == '\0')
6043                         continue;
6044                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6045                 argc++;
6046                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6047                         err(1, "setautorun: realloc");
6048                 a.argv[argc - 1] = ap;
6049         }
6050
6051         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6052                 err(1, "setautorun: realloc");
6053         a.argv[argc] = NULL;
6054
6055         if ((pid = fork()) == 0) {
6056                 spawn(ws_id, &a, 1);
6057                 /* NOTREACHED */
6058                 _exit(1);
6059         }
6060         free(a.argv);
6061
6062         /* parent */
6063         p = find_pid(pid);
6064         if (p == NULL) {
6065                 p = calloc(1, sizeof *p);
6066                 if (p == NULL)
6067                         return (1);
6068                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6069         }
6070
6071         p->pid = pid;
6072         p->ws = ws_id;
6073
6074         return (0);
6075 }
6076
6077 int
6078 setlayout(char *selector, char *value, int flags)
6079 {
6080         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6081         int                     st = SWM_V_STACK, num_screens;
6082         char                    s[1024];
6083         struct workspace        *ws;
6084
6085         /* suppress unused warnings since vars are needed */
6086         (void)selector;
6087         (void)flags;
6088
6089         if (getenv("SWM_STARTED"))
6090                 return (0);
6091
6092         bzero(s, sizeof s);
6093         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6094             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6095                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6096                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6097                     "<type>'");
6098         ws_id--;
6099         if (ws_id < 0 || ws_id >= workspace_limit)
6100                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6101
6102         if (!strcasecmp(s, "vertical"))
6103                 st = SWM_V_STACK;
6104         else if (!strcasecmp(s, "vertical_flip")) {
6105                 st = SWM_V_STACK;
6106                 f = 1;
6107         } else if (!strcasecmp(s, "horizontal"))
6108                 st = SWM_H_STACK;
6109         else if (!strcasecmp(s, "horizontal_flip")) {
6110                 st = SWM_H_STACK;
6111                 f = 1;
6112         } else if (!strcasecmp(s, "fullscreen"))
6113                 st = SWM_MAX_STACK;
6114         else
6115                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6116                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6117                     "<type>'");
6118
6119         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6120         for (i = 0; i < num_screens; i++) {
6121                 ws = (struct workspace *)&screens[i].ws;
6122                 ws[ws_id].cur_layout = &layouts[st];
6123
6124                 ws[ws_id].always_raise = raise;
6125                 if (st == SWM_MAX_STACK)
6126                         continue;
6127
6128                 /* master grow */
6129                 for (x = 0; x < abs(mg); x++) {
6130                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6131                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6132                             SWM_ARG_ID_MASTERSHRINK);
6133                         stack();
6134                 }
6135                 /* master add */
6136                 for (x = 0; x < abs(ma); x++) {
6137                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6138                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6139                             SWM_ARG_ID_MASTERDEL);
6140                         stack();
6141                 }
6142                 /* stack inc */
6143                 for (x = 0; x < abs(si); x++) {
6144                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6145                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6146                             SWM_ARG_ID_STACKDEC);
6147                         stack();
6148                 }
6149                 /* Apply flip */
6150                 if (f) {
6151                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6152                             SWM_ARG_ID_FLIPLAYOUT);
6153                         stack();
6154                 }
6155         }
6156
6157         return (0);
6158 }
6159
6160 /* config options */
6161 struct config_option {
6162         char                    *optname;
6163         int                     (*func)(char*, char*, int);
6164         int                     funcflags;
6165 };
6166 struct config_option configopt[] = {
6167         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6168         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6169         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6170         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6171         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6172         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6173         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6174         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6175         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6176         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6177         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6178         { "keyboard_mapping",           setkeymapping,  0 },
6179         { "bind",                       setconfbinding, 0 },
6180         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6181         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6182         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6183         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6184         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6185         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6186         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6187         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6188         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6189         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6190         { "modkey",                     setconfmodkey,  0 },
6191         { "program",                    setconfspawn,   0 },
6192         { "quirk",                      setconfquirk,   0 },
6193         { "region",                     setconfregion,  0 },
6194         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6195         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6196         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6197         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6198         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6199         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6200         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6201         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6202         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6203         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6204         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6205         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6206         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6207         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6208         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6209         { "autorun",                    setautorun,     0 },
6210         { "layout",                     setlayout,      0 },
6211 };
6212
6213
6214 int
6215 conf_load(char *filename, int keymapping)
6216 {
6217         FILE                    *config;
6218         char                    *line, *cp, *optsub, *optval;
6219         size_t                  linelen, lineno = 0;
6220         int                     wordlen, i, optind;
6221         struct config_option    *opt;
6222
6223         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6224
6225         if (filename == NULL) {
6226                 warnx("conf_load: no filename");
6227                 return (1);
6228         }
6229         if ((config = fopen(filename, "r")) == NULL) {
6230                 warn("conf_load: fopen: %s", filename);
6231                 return (1);
6232         }
6233
6234         while (!feof(config)) {
6235                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6236                     == NULL) {
6237                         if (ferror(config))
6238                                 err(1, "%s", filename);
6239                         else
6240                                 continue;
6241                 }
6242                 cp = line;
6243                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6244                 if (cp[0] == '\0') {
6245                         /* empty line */
6246                         free(line);
6247                         continue;
6248                 }
6249                 /* get config option */
6250                 wordlen = strcspn(cp, "=[ \t\n");
6251                 if (wordlen == 0) {
6252                         warnx("%s: line %zd: no option found",
6253                             filename, lineno);
6254                         goto out;
6255                 }
6256                 optind = -1;
6257                 for (i = 0; i < LENGTH(configopt); i++) {
6258                         opt = &configopt[i];
6259                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6260                             (int)strlen(opt->optname) == wordlen) {
6261                                 optind = i;
6262                                 break;
6263                         }
6264                 }
6265                 if (optind == -1) {
6266                         warnx("%s: line %zd: unknown option %.*s",
6267                             filename, lineno, wordlen, cp);
6268                         goto out;
6269                 }
6270                 if (keymapping && strcmp(opt->optname, "bind")) {
6271                         warnx("%s: line %zd: invalid option %.*s",
6272                             filename, lineno, wordlen, cp);
6273                         goto out;
6274                 }
6275                 cp += wordlen;
6276                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6277                 /* get [selector] if any */
6278                 optsub = NULL;
6279                 if (*cp == '[') {
6280                         cp++;
6281                         wordlen = strcspn(cp, "]");
6282                         if (*cp != ']') {
6283                                 if (wordlen == 0) {
6284                                         warnx("%s: line %zd: syntax error",
6285                                             filename, lineno);
6286                                         goto out;
6287                                 }
6288
6289                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6290                                     -1) {
6291                                         warnx("%s: line %zd: unable to allocate"
6292                                             "memory for selector", filename,
6293                                             lineno);
6294                                         goto out;
6295                                 }
6296                         }
6297                         cp += wordlen;
6298                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6299                 }
6300                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6301                 /* get RHS value */
6302                 optval = strdup(cp);
6303                 /* call function to deal with it all */
6304                 if (configopt[optind].func(optsub, optval,
6305                     configopt[optind].funcflags) != 0)
6306                         errx(1, "%s: line %zd: invalid data for %s",
6307                             filename, lineno, configopt[optind].optname);
6308                 free(optval);
6309                 free(optsub);
6310                 free(line);
6311         }
6312
6313         fclose(config);
6314         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6315
6316         return (0);
6317
6318 out:
6319         free(line);
6320         fclose(config);
6321         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6322
6323         return (1);
6324 }
6325
6326 void
6327 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6328 {
6329         struct ws_win           *parent, *w;
6330         struct swm_region       *r;
6331         struct workspace        *ws;
6332         xcb_icccm_wm_hints_t    wmh;
6333
6334         parent = find_window(win->transient);
6335         if (parent)
6336                 parent->child_trans = win;
6337         else {
6338                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6339                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6340
6341                 r = root_to_region(win->wa->root);
6342                 ws = r->ws;
6343                 /* parent doen't exist in our window list */
6344                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6345                         if (xcb_icccm_get_wm_hints_reply(conn,
6346                             xcb_icccm_get_wm_hints(conn, w->id),
6347                             &wmh, NULL) != 1) {
6348                                 warnx("can't get hints for 0x%x", w->id);
6349                                 continue;
6350                         }
6351
6352                         if (win->hints.window_group != wmh.window_group)
6353                                 continue;
6354
6355                         w->child_trans = win;
6356                         win->transient = w->id;
6357                         *trans = w->id;
6358                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6359                             "transient to 0x%x\n", win->transient);
6360                         break;
6361                 }
6362         }
6363 }
6364
6365 pid_t
6366 window_get_pid(xcb_window_t win)
6367 {
6368         pid_t                           ret = 0;
6369         const char                      *errstr;
6370         xcb_atom_t                      apid;
6371         xcb_get_property_cookie_t       pc;
6372         xcb_get_property_reply_t        *pr;
6373
6374         apid = get_atom_from_string("_NET_WM_PID");
6375         if (apid == XCB_ATOM_NONE)
6376                 goto tryharder;
6377
6378         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6379         pr = xcb_get_property_reply(conn, pc, NULL);
6380         if (!pr)
6381                 goto tryharder;
6382         if (pr->type != XCB_ATOM_CARDINAL) {
6383                 free(pr);
6384                 goto tryharder;
6385         }
6386
6387         if (pr->type == apid && pr->format == 32)
6388                 ret = *((pid_t *)xcb_get_property_value(pr));
6389         free(pr);
6390
6391         return (ret);
6392
6393 tryharder:
6394         apid = get_atom_from_string("_SWM_PID");
6395         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
6396             0, SWM_PROPLEN);
6397         pr = xcb_get_property_reply(conn, pc, NULL);
6398         if (!pr)
6399                 return (0);
6400         if (pr->type != apid) {
6401                 free(pr);
6402                 return (0);
6403         }
6404
6405         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6406         free(pr);
6407
6408         return (ret);
6409 }
6410
6411 int
6412 get_ws_idx(xcb_window_t id)
6413 {
6414         int                     ws_idx = -1;
6415         char                    *prop = NULL;
6416         size_t                  proplen;
6417         const char              *errstr;
6418         xcb_get_property_reply_t        *gpr;
6419
6420         gpr = xcb_get_property_reply(conn,
6421                 xcb_get_property(conn, 0, id, a_swm_ws,
6422                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
6423                 NULL);
6424         if (!gpr)
6425                 return (-1);
6426         if (gpr->type) {
6427                 proplen = xcb_get_property_value_length(gpr);
6428                 if (proplen > 0) {
6429                         prop = malloc(proplen + 1);
6430                         if (prop) {
6431                                 memcpy(prop,
6432                                     xcb_get_property_value(gpr),
6433                                     proplen);
6434                                 prop[proplen] = '\0';
6435                         }
6436                 }
6437         }
6438         free(gpr);
6439
6440         if (prop) {
6441                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
6442                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
6443                 if (errstr) {
6444                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
6445                             errstr, prop);
6446                 }
6447                 free(prop);
6448         }
6449
6450         return ws_idx;
6451 }
6452
6453 struct ws_win *
6454 manage_window(xcb_window_t id)
6455 {
6456         xcb_window_t            trans = XCB_WINDOW_NONE;
6457         struct workspace        *ws;
6458         struct ws_win           *win, *ww;
6459         int                     ws_idx, border_me = 0;
6460         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6461         struct swm_region       *r;
6462         struct pid_e            *p;
6463         struct quirk            *qp;
6464         uint32_t                event_mask, i;
6465         xcb_icccm_get_wm_protocols_reply_t      wpr;
6466         xcb_icccm_get_wm_class_reply_t          tmpch;
6467
6468         if ((win = find_window(id)) != NULL)
6469                 return (win);   /* already being managed */
6470
6471         /* see if we are on the unmanaged list */
6472         if ((win = find_unmanaged_window(id)) != NULL) {
6473                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6474                     "window: 0x%x\n", win->id);
6475                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6476                 if (win->transient)
6477                         set_child_transient(win, &trans);
6478
6479                 if (trans && (ww = find_window(trans)))
6480                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6481                 else if ((ww = win->ws->focus) &&
6482                     spawn_position == SWM_STACK_ABOVE)
6483                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6484                             win, entry);
6485                 else if (ww && spawn_position == SWM_STACK_BELOW)
6486                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6487                 else switch (spawn_position) {
6488                 default:
6489                 case SWM_STACK_TOP:
6490                 case SWM_STACK_ABOVE:
6491                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6492                         break;
6493                 case SWM_STACK_BOTTOM:
6494                 case SWM_STACK_BELOW:
6495                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6496                 }
6497
6498                 ewmh_update_actions(win);
6499                 return (win);
6500         }
6501
6502         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6503                 err(1, "manage_window: calloc: failed to allocate memory for "
6504                     "new window");
6505
6506         win->id = id;
6507         win->bordered = 0;
6508
6509         /* see if we need to override the workspace */
6510         p = find_pid(window_get_pid(id));
6511
6512         /* Get all the window data in one shot */
6513         ws_idx = get_ws_idx(id);
6514
6515         win->wa = xcb_get_geometry_reply(conn,
6516             xcb_get_geometry(conn, id),
6517             NULL);
6518         xcb_icccm_get_wm_normal_hints_reply(conn,
6519             xcb_icccm_get_wm_normal_hints(conn, id),
6520             &win->sh, NULL);
6521         xcb_icccm_get_wm_hints_reply(conn,
6522             xcb_icccm_get_wm_hints(conn, id),
6523             &win->hints, NULL);
6524         xcb_icccm_get_wm_transient_for_reply(conn,
6525             xcb_icccm_get_wm_transient_for(conn, id),
6526             &trans, NULL);
6527         if (trans) {
6528                 win->transient = trans;
6529                 set_child_transient(win, &trans);
6530                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6531                     "transient: 0x%x\n", win->id, win->transient);
6532         }
6533
6534         /* get supported protocols */
6535         if (xcb_icccm_get_wm_protocols_reply(conn,
6536             xcb_icccm_get_wm_protocols(conn, id, a_prot),
6537             &wpr, NULL)) {
6538                 for (i = 0; i < wpr.atoms_len; i++) {
6539                         if (wpr.atoms[i] == a_takefocus)
6540                                 win->take_focus = 1;
6541                         if (wpr.atoms[i] == a_delete)
6542                                 win->can_delete = 1;
6543                 }
6544                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6545         }
6546
6547         win->iconic = get_iconic(win);
6548
6549         /*
6550          * Figure out where to put the window. If it was previously assigned to
6551          * a workspace (either by spawn() or manually moving), and isn't
6552          * transient, * put it in the same workspace
6553          */
6554         r = root_to_region(win->wa->root);
6555         if (p) {
6556                 ws = &r->s->ws[p->ws];
6557                 TAILQ_REMOVE(&pidlist, p, entry);
6558                 free(p);
6559                 p = NULL;
6560         } else if (ws_idx != -1 && win->transient == 0) {
6561                 ws = &r->s->ws[ws_idx];
6562         } else {
6563                 ws = r->ws;
6564                 /* this should launch transients in the same ws as parent */
6565                 if (id && trans)
6566                         if ((ww = find_window(trans)) != NULL)
6567                                 if (ws->r) {
6568                                         ws = ww->ws;
6569                                         if (ww->ws->r)
6570                                                 r = ww->ws->r;
6571                                         else
6572                                                 warnx("manage_window: fix this "
6573                                                     "bug mcbride");
6574                                         border_me = 1;
6575                                 }
6576         }
6577
6578         /* set up the window layout */
6579         win->id = id;
6580         win->ws = ws;
6581         win->s = r->s;  /* this never changes */
6582         if (trans && (ww = find_window(trans)))
6583                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6584         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6585                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6586                     entry);
6587         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6588                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6589         else switch (spawn_position) {
6590         default:
6591         case SWM_STACK_TOP:
6592         case SWM_STACK_ABOVE:
6593                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6594                 break;
6595         case SWM_STACK_BOTTOM:
6596         case SWM_STACK_BELOW:
6597                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6598         }
6599
6600         /* ignore window border if there is one. */
6601         WIDTH(win) = win->wa->width;
6602         HEIGHT(win) = win->wa->height;
6603         X(win) = win->wa->x + win->wa->border_width;
6604         Y(win) = win->wa->y + win->wa->border_width;
6605         win->bordered = 0;
6606         win->g_floatvalid = 0;
6607         win->floatmaxed = 0;
6608         win->ewmh_flags = 0;
6609
6610         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6611             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6612             HEIGHT(win), ws->idx);
6613
6614         constrain_window(win, r, 0);
6615
6616         /* Set window properties so we can remember this after reincarnation */
6617         if (prop == NULL && snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6618             SWM_PROPLEN) {
6619                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6620                     ws_idx_str);
6621                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6622                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6623                     ws_idx_str);
6624         }
6625         if (prop)
6626                 free(prop);
6627
6628         ewmh_autoquirk(win);
6629
6630         if (xcb_icccm_get_wm_class_reply(conn,
6631             xcb_icccm_get_wm_class(conn, win->id),
6632             &tmpch, NULL)) {
6633                 win->ch.class_name = tmpch.class_name;
6634                 win->ch.instance_name = tmpch.instance_name;
6635
6636                 xcb_icccm_get_wm_class_reply_wipe(&tmpch);
6637
6638                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6639                     win->ch.class_name, win->ch.instance_name);
6640
6641                 /* java is retarded so treat it special */
6642                 if (strstr(win->ch.instance_name, "sun-awt")) {
6643                         win->java = 1;
6644                         border_me = 1;
6645                 }
6646
6647                 TAILQ_FOREACH(qp, &quirks, entry) {
6648                         if (!strcmp(win->ch.class_name, qp->class) &&
6649                             !strcmp(win->ch.instance_name, qp->name)) {
6650                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6651                                     "class: %s, name: %s\n", win->ch.class_name,
6652                                     win->ch.instance_name);
6653                                 if (qp->quirk & SWM_Q_FLOAT) {
6654                                         win->floating = 1;
6655                                         border_me = 1;
6656                                 }
6657                                 win->quirks = qp->quirk;
6658                         }
6659                 }
6660         }
6661
6662         /* alter window position if quirky */
6663         if (win->quirks & SWM_Q_ANYWHERE) {
6664                 win->manual = 1; /* don't center the quirky windows */
6665                 if (bar_enabled && Y(win) < bar_height)
6666                         Y(win) = bar_height;
6667                 if (WIDTH(win) + X(win) > WIDTH(r))
6668                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6669                 border_me = 1;
6670         }
6671
6672         /* Reset font sizes (the bruteforce way; no default keybinding). */
6673         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6674                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6675                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6676                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6677                         fake_keypress(win, XK_KP_Add, ShiftMask);
6678         }
6679
6680         ewmh_get_win_state(win);
6681         ewmh_update_actions(win);
6682         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6683
6684         /* border me */
6685         if (border_me) {
6686                 win->bordered = 1;
6687                 X(win) -= border_width;
6688                 Y(win) -= border_width;
6689                 update_window(win);
6690         }
6691
6692         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6693             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6694 #ifdef SWM_DEBUG
6695         event_mask |= XCB_EVENT_MASK_LEAVE_WINDOW;
6696 #endif
6697
6698         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6699
6700         /* floaters need to be mapped if they are in the current workspace */
6701         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6702                 map_window_raised(win->id);
6703
6704         return (win);
6705 }
6706
6707 void
6708 free_window(struct ws_win *win)
6709 {
6710         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6711
6712         if (win == NULL)
6713                 return;
6714
6715         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6716
6717         if (win->wa)
6718                 free(win->wa);
6719
6720         kill_refs(win);
6721
6722         /* paint memory */
6723         memset(win, 0xff, sizeof *win); /* XXX kill later */
6724
6725         free(win);
6726         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6727 }
6728
6729 void
6730 unmanage_window(struct ws_win *win)
6731 {
6732         struct ws_win           *parent;
6733         xcb_screen_t            *screen;
6734
6735         if (win == NULL)
6736                 return;
6737
6738         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6739
6740         if (win->transient) {
6741                 parent = find_window(win->transient);
6742                 if (parent)
6743                         parent->child_trans = NULL;
6744         }
6745
6746         /* focus on root just in case */
6747         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6748         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6749             screen->root, XCB_CURRENT_TIME);
6750
6751         focus_prev(win);
6752
6753         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6754         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6755 }
6756
6757 void
6758 focus_magic(struct ws_win *win)
6759 {
6760         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6761
6762         if (win == NULL) {
6763                 /* if there are no windows clear the status-bar */
6764                 bar_update();
6765                 return;
6766         }
6767
6768         if (win->child_trans) {
6769                 /* win = parent & has a transient so focus on that */
6770                 if (win->java) {
6771                         focus_win(win->child_trans);
6772                         if (win->child_trans->take_focus)
6773                                 client_msg(win, a_takefocus);
6774                 } else {
6775                         /* make sure transient hasn't disappeared */
6776                         if (validate_win(win->child_trans) == 0) {
6777                                 focus_win(win->child_trans);
6778                                 if (win->child_trans->take_focus)
6779                                         client_msg(win->child_trans,
6780                                             a_takefocus);
6781                         } else {
6782                                 win->child_trans = NULL;
6783                                 focus_win(win);
6784                                 if (win->take_focus)
6785                                         client_msg(win, a_takefocus);
6786                         }
6787                 }
6788         } else {
6789                 /* regular focus */
6790                 focus_win(win);
6791                 if (win->take_focus)
6792                         client_msg(win, a_takefocus);
6793         }
6794 }
6795
6796 void
6797 expose(xcb_expose_event_t *e)
6798 {
6799         int                     i, num_screens;
6800         struct swm_region       *r;
6801
6802         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6803
6804         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6805         for (i = 0; i < num_screens; i++)
6806                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6807                         if (e->window == WINID(r->bar))
6808                                 bar_update();
6809
6810         xcb_flush(conn);
6811 }
6812
6813 #ifdef SWM_DEBUG
6814 void
6815 focusin(xcb_focus_in_event_t *e)
6816 {
6817         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
6818             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
6819             e->mode, get_notify_detail_label(e->detail), e->detail);
6820 }
6821 #endif
6822
6823 void
6824 keypress(xcb_key_press_event_t *e)
6825 {
6826         xcb_keysym_t            keysym;
6827         struct key              *kp;
6828
6829         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
6830
6831         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
6832
6833         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6834                 return;
6835
6836         if (kp->funcid == KF_SPAWN_CUSTOM)
6837                 spawn_custom(root_to_region(e->root),
6838                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
6839         else if (keyfuncs[kp->funcid].func)
6840                 keyfuncs[kp->funcid].func(root_to_region(e->root),
6841                     &(keyfuncs[kp->funcid].args));
6842 }
6843
6844 void
6845 buttonpress(xcb_button_press_event_t *e)
6846 {
6847         struct ws_win           *win;
6848         int                     i;
6849         unsigned int            action;
6850
6851         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
6852             e->event, e->detail);
6853
6854         if ((win = find_window(e->event)) == NULL)
6855                 return;
6856
6857         focus_magic(win);
6858         action = client_click;
6859
6860         for (i = 0; i < LENGTH(buttons); i++)
6861                 if (action == buttons[i].action && buttons[i].func &&
6862                     buttons[i].button == e->detail &&
6863                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6864                         buttons[i].func(win, &buttons[i].args);
6865
6866         xcb_flush(conn);
6867 }
6868
6869 #ifdef SWM_DEBUG
6870 void
6871 print_win_geom(xcb_window_t w)
6872 {
6873         xcb_get_geometry_reply_t        *wa;
6874
6875         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
6876
6877         if (!wa) {
6878                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
6879                     w);
6880                 return;
6881         }
6882
6883         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
6884             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
6885             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
6886             wa->border_width);
6887
6888         free(wa);
6889 }
6890 #endif
6891
6892 void
6893 configurerequest(xcb_configure_request_event_t *e)
6894 {
6895         struct ws_win           *win;
6896         int                     new = 0, i = 0;
6897         uint16_t                mask = 0;
6898         uint32_t                wc[7] = {0};
6899
6900         if ((win = find_window(e->window)) == NULL)
6901                 if ((win = find_unmanaged_window(e->window)) == NULL)
6902                         new = 1;
6903 #ifdef SWM_DEBUG
6904         print_win_geom(e->window);
6905 #endif
6906         if (new) {
6907                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6908                     "value_mask: 0x%x", e->window, e->value_mask);
6909                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6910                         mask |= XCB_CONFIG_WINDOW_X;
6911                         wc[i++] = e->x;
6912                         DPRINTF(", X: %d", e->x);
6913                 }
6914                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6915                         mask |= XCB_CONFIG_WINDOW_Y;
6916                         wc[i++] = e->y;
6917                         DPRINTF(", Y: %d", e->y);
6918                 }
6919                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6920                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6921                         wc[i++] = e->width;
6922                         DPRINTF(", W: %u", e->width);
6923                 }
6924                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6925                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6926                         wc[i++] = e->height;
6927                         DPRINTF(", H: %u", e->height);
6928                 }
6929                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6930                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6931                         wc[i++] = e->border_width;
6932                         DPRINTF(", Border: %u", e->border_width);
6933                 }
6934                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6935                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6936                         wc[i++] = e->sibling;
6937                         DPRINTF(", Sibling: 0x%x", e->sibling);
6938                 }
6939                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6940                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6941                         wc[i++] = e->stack_mode;
6942                         DPRINTF(", StackMode: %u", e->stack_mode);
6943                 }
6944
6945                 if (mask != 0)
6946                         xcb_configure_window(conn, e->window, mask, wc);
6947
6948                 DPRINTF(", Sent: %s\n", YESNO((mask != 0)));
6949         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6950             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6951                 win->g_float.x = e->x - X(win->ws->r);
6952                 win->g_float.y = e->y - Y(win->ws->r);
6953                 win->g_float.w = e->width;
6954                 win->g_float.h = e->height;
6955                 win->g_floatvalid = 1;
6956
6957                 if (win->floating) {
6958                         win->g = win->g_float;
6959                         win->g.x += X(win->ws->r);
6960                         win->g.y += Y(win->ws->r);
6961                         update_window(win);
6962                 } else {
6963                         config_win(win, e);
6964                 }
6965         } else {
6966                 config_win(win, e);
6967         }
6968
6969         xcb_flush(conn);
6970 }
6971
6972 void
6973 configurenotify(xcb_configure_notify_event_t *e)
6974 {
6975         struct ws_win           *win;
6976
6977         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
6978             e->window);
6979
6980         win = find_window(e->window);
6981         if (win) {
6982                 xcb_icccm_get_wm_normal_hints_reply(conn,
6983                     xcb_icccm_get_wm_normal_hints(conn, win->id),
6984                     &win->sh, NULL);
6985                 adjust_font(win);
6986                 if (font_adjusted)
6987                         stack();
6988         }
6989 }
6990
6991 void
6992 destroynotify(xcb_destroy_notify_event_t *e)
6993 {
6994         struct ws_win           *win;
6995
6996         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
6997
6998         if ((win = find_window(e->window)) == NULL) {
6999                 if ((win = find_unmanaged_window(e->window)) == NULL)
7000                         return;
7001                 free_window(win);
7002                 return;
7003         }
7004
7005         /* make sure we focus on something */
7006         win->floating = 0;
7007
7008         unmanage_window(win);
7009         stack();
7010         free_window(win);
7011 }
7012
7013 #ifdef SWM_DEBUG
7014 char *
7015 get_notify_detail_label(uint8_t detail)
7016 {
7017         char *label;
7018
7019         switch (detail) {
7020         case XCB_NOTIFY_DETAIL_ANCESTOR:
7021                 label = "Ancestor";
7022                 break;
7023         case XCB_NOTIFY_DETAIL_VIRTUAL:
7024                 label = "Virtual";
7025                 break;
7026         case XCB_NOTIFY_DETAIL_INFERIOR:
7027                 label = "Inferior";
7028                 break;
7029         case XCB_NOTIFY_DETAIL_NONLINEAR:
7030                 label = "Nonlinear";
7031                 break;
7032         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
7033                 label = "NonlinearVirtual";
7034                 break;
7035         case XCB_NOTIFY_DETAIL_POINTER:
7036                 label = "Pointer";
7037                 break;
7038         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
7039                 label = "PointerRoot";
7040                 break;
7041         case XCB_NOTIFY_DETAIL_NONE:
7042                 label = "None";
7043                 break;
7044         default:
7045                 label = "Unknown";
7046         }
7047
7048         return label;
7049 }
7050
7051 char *
7052 get_notify_mode_label(uint8_t mode)
7053 {
7054         char *label;
7055
7056         switch (mode) {
7057         case XCB_NOTIFY_MODE_NORMAL:
7058                 label = "Normal";
7059                 break;
7060         case XCB_NOTIFY_MODE_GRAB:
7061                 label = "Grab";
7062                 break;
7063         case XCB_NOTIFY_MODE_UNGRAB:
7064                 label = "Ungrab";
7065                 break;
7066         case XCB_NOTIFY_MODE_WHILE_GRABBED:
7067                 label = "WhileGrabbed";
7068                 break;
7069         default:
7070                 label = "Unknown";
7071         }
7072
7073         return label;
7074 }
7075 #endif
7076
7077 void
7078 enternotify(xcb_enter_notify_event_t *e)
7079 {
7080         struct ws_win           *win;
7081         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %s(%d), "
7082             "detail: %s(%d), root: 0x%x, subwindow: 0x%x, same_screen_focus: "
7083             "%s, state: %d\n", e->event, get_notify_mode_label(e->mode),
7084             e->mode, get_notify_detail_label(e->detail), e->detail, e->root,
7085             e->child, YESNO(e->same_screen_focus), e->state);
7086
7087         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
7088                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
7089                     "cursor grab.\n");
7090                 return;
7091         }
7092
7093         switch (focus_mode) {
7094         case SWM_FOCUS_DEFAULT:
7095                 break;
7096         case SWM_FOCUS_FOLLOW:
7097                 break;
7098         case SWM_FOCUS_SYNERGY:
7099                 break;
7100         }
7101
7102         if ((win = find_window(e->event)) == NULL) {
7103                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7104                 return;
7105         }
7106
7107         focus_magic(win);
7108
7109         xcb_flush(conn);
7110 }
7111
7112 #ifdef SWM_DEBUG
7113 void
7114 leavenotify(xcb_leave_notify_event_t *e)
7115 {
7116         struct ws_win           *win;
7117         DNPRINTF(SWM_D_FOCUS, "leavenotify: window: 0x%x, mode: %s(%d), "
7118             "detail: %s(%d), root: 0x%x, subwindow: 0x%x, same_screen_focus: "
7119             "%s, state: %d\n", e->event, get_notify_mode_label(e->mode),
7120             e->mode, get_notify_detail_label(e->detail), e->detail, e->root,
7121             e->child, YESNO(e->same_screen_focus), e->state);
7122 }
7123 #endif
7124
7125 /* lets us use one switch statement for arbitrary mode/detail combinations */
7126 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7127
7128 void
7129 mapnotify(xcb_map_notify_event_t *e)
7130 {
7131         struct ws_win           *win;
7132
7133         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
7134
7135         win = manage_window(e->window);
7136         if (win)
7137                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7138
7139         /*
7140          * focus_win can only set input focus on a mapped window.
7141          * make sure the window really has focus since it is just being mapped.
7142          */
7143         if (win->ws->focus == win)
7144                 focus_win(win);
7145 }
7146
7147 void
7148 mappingnotify(xcb_mapping_notify_event_t *e)
7149 {
7150         xcb_refresh_keyboard_mapping(syms, e);
7151
7152         if (e->request == XCB_MAPPING_KEYBOARD)
7153                 grabkeys();
7154 }
7155
7156 void
7157 maprequest(xcb_map_request_event_t *e)
7158 {
7159         struct ws_win           *win;
7160         struct swm_region       *r;
7161         xcb_get_window_attributes_reply_t *war;
7162
7163         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
7164             e->window);
7165
7166         war = xcb_get_window_attributes_reply(conn,
7167             xcb_get_window_attributes(conn, e->window),
7168             NULL);
7169         if (!war)
7170                 return;
7171         if (war->override_redirect) {
7172                 free(war);
7173                 return;
7174         }
7175         free(war);
7176
7177         win = manage_window(e->window);
7178         if (win == NULL) {
7179                 return; /* can't happen */
7180         }
7181
7182         stack();
7183
7184         /* make new win focused */
7185         r = root_to_region(win->wa->root);
7186         if (win->ws == r->ws)
7187                 focus_magic(win);
7188 }
7189
7190 #ifdef SWM_DEBUG
7191 char *
7192 get_atom_name(xcb_atom_t atom)
7193 {
7194         char                            *name = NULL;
7195         size_t                          len;
7196         xcb_get_atom_name_reply_t       *r;
7197
7198         r = xcb_get_atom_name_reply(conn,
7199             xcb_get_atom_name(conn, atom),
7200             NULL);
7201         if (r) {
7202                 len = xcb_get_atom_name_name_length(r);
7203                 if (len > 0) {
7204                         name = malloc(len + 1);
7205                         if (name) {
7206                                 memcpy(name, xcb_get_atom_name_name(r), len);
7207                                 name[len] = '\0';
7208                         }
7209                 }
7210                 free(r);
7211         }
7212
7213         return (name);
7214 }
7215 #endif
7216
7217 void
7218 propertynotify(xcb_property_notify_event_t *e)
7219 {
7220         struct ws_win           *win;
7221 #ifdef SWM_DEBUG
7222         char                    *name;
7223
7224         name = get_atom_name(e->atom);
7225         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u)\n",
7226             e->window, name, e->atom);
7227         free(name);
7228 #endif
7229
7230         win = find_window(e->window);
7231         if (win == NULL)
7232                 return;
7233
7234         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7235                 update_iconic(win, 0);
7236                 map_window_raised(win->id);
7237                 stack();
7238                 focus_win(win);
7239                 return;
7240         }
7241
7242         switch (e->atom) {
7243         case XCB_ATOM_WM_CLASS:
7244         case XCB_ATOM_WM_NAME:
7245                 bar_update();
7246                 break;
7247         default:
7248                 break;
7249         }
7250 }
7251
7252 void
7253 unmapnotify(xcb_unmap_notify_event_t *e)
7254 {
7255         struct ws_win           *win;
7256
7257         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7258
7259         /* determine if we need to help unmanage this window */
7260         win = find_window(e->window);
7261         if (win == NULL)
7262                 return;
7263
7264         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7265                 unmanage_window(win);
7266                 stack();
7267
7268                 /* resend unmap because we ated it */
7269                 xcb_unmap_window(conn, e->window);
7270                 xcb_flush(conn);
7271         }
7272 }
7273
7274 #if 0
7275 void
7276 visibilitynotify(xcb_visibility_notify_event_t *e)
7277 {
7278         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7279             e->window);
7280 }
7281 #endif
7282
7283 void
7284 clientmessage(xcb_client_message_event_t *e)
7285 {
7286         struct ws_win *win;
7287         xcb_map_request_event_t mre;
7288 #ifdef SWM_DEBUG
7289         char                    *name;
7290
7291         name = get_atom_name(e->type);
7292         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
7293             e->window, name, e->type);
7294         free(name);
7295 #endif
7296         win = find_window(e->window);
7297
7298         if (win == NULL) {
7299                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7300                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7301                             "unmanaged window.\n");
7302                         mre.window = e->window;
7303                         maprequest(&mre);
7304                 }
7305                 return;
7306         }
7307
7308         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7309                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7310                 focus_win(win);
7311         }
7312         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7313                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7314                 if (win->can_delete)
7315                         client_msg(win, a_delete);
7316                 else
7317                         xcb_kill_client(conn, win->id);
7318         }
7319         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7320                 DNPRINTF(SWM_D_EVENT,
7321                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7322                 if (win->floating) {
7323                         if (e->data.data32[0] & (1<<8)) /* x */
7324                                 X(win) = e->data.data32[1];
7325                         if (e->data.data32[0] & (1<<9)) /* y */
7326                                 Y(win) = e->data.data32[2];
7327                         if (e->data.data32[0] & (1<<10)) /* width */
7328                                 WIDTH(win) = e->data.data32[3];
7329                         if (e->data.data32[0] & (1<<11)) /* height */
7330                                 HEIGHT(win) = e->data.data32[4];
7331
7332                         update_window(win);
7333                 }
7334                 else {
7335                         /* TODO: Change stack sizes */
7336                         /* notify no change was made. */
7337                         config_win(win, NULL);
7338                 }
7339         }
7340         if (e->type == ewmh[_NET_WM_STATE].atom) {
7341                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7342                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7343                 if (e->data.data32[2])
7344                         ewmh_update_win_state(win, e->data.data32[2],
7345                             e->data.data32[0]);
7346
7347                 stack();
7348         }
7349
7350         xcb_flush(conn);
7351 }
7352
7353 int
7354 enable_wm(void)
7355 {
7356         int                     num_screens, i;
7357         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7358         xcb_screen_t            *sc;
7359         xcb_void_cookie_t       wac;
7360         xcb_generic_error_t     *error;
7361
7362         /* this causes an error if some other window manager is running */
7363         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7364         for (i = 0; i < num_screens; i++) {
7365                 sc = get_screen(i);
7366                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
7367                     i, sc->root);
7368                 wac = xcb_change_window_attributes_checked(conn, sc->root,
7369                     XCB_CW_EVENT_MASK, &val);
7370                 if ((error = xcb_request_check(conn, wac))) {
7371                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
7372                             error->error_code);
7373                         free(error);
7374                         return 1;
7375                 }
7376         }
7377
7378         return 0;
7379 }
7380
7381 void
7382 new_region(struct swm_screen *s, int x, int y, int w, int h)
7383 {
7384         struct swm_region       *r, *n;
7385         struct workspace        *ws = NULL;
7386         int                     i;
7387
7388         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7389              s->idx, w, h, x, y);
7390
7391         /* remove any conflicting regions */
7392         n = TAILQ_FIRST(&s->rl);
7393         while (n) {
7394                 r = n;
7395                 n = TAILQ_NEXT(r, entry);
7396                 if (X(r) < (x + w) &&
7397                     (X(r) + WIDTH(r)) > x &&
7398                     Y(r) < (y + h) &&
7399                     (Y(r) + HEIGHT(r)) > y) {
7400                         if (r->ws->r != NULL)
7401                                 r->ws->old_r = r->ws->r;
7402                         r->ws->r = NULL;
7403                         bar_cleanup(r);
7404                         TAILQ_REMOVE(&s->rl, r, entry);
7405                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7406                 }
7407         }
7408
7409         /* search old regions for one to reuse */
7410
7411         /* size + location match */
7412         TAILQ_FOREACH(r, &s->orl, entry)
7413                 if (X(r) == x && Y(r) == y &&
7414                     HEIGHT(r) == h && WIDTH(r) == w)
7415                         break;
7416
7417         /* size match */
7418         TAILQ_FOREACH(r, &s->orl, entry)
7419                 if (HEIGHT(r) == h && WIDTH(r) == w)
7420                         break;
7421
7422         if (r != NULL) {
7423                 TAILQ_REMOVE(&s->orl, r, entry);
7424                 /* try to use old region's workspace */
7425                 if (r->ws->r == NULL)
7426                         ws = r->ws;
7427         } else
7428                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7429                         err(1, "new_region: calloc: failed to allocate memory "
7430                             "for screen");
7431
7432         /* if we don't have a workspace already, find one */
7433         if (ws == NULL) {
7434                 for (i = 0; i < workspace_limit; i++)
7435                         if (s->ws[i].r == NULL) {
7436                                 ws = &s->ws[i];
7437                                 break;
7438                         }
7439         }
7440
7441         if (ws == NULL)
7442                 errx(1, "new_region: no free workspaces");
7443
7444         X(r) = x;
7445         Y(r) = y;
7446         WIDTH(r) = w;
7447         HEIGHT(r) = h;
7448         r->s = s;
7449         r->ws = ws;
7450         r->ws_prior = NULL;
7451         ws->r = r;
7452         outputs++;
7453         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7454 }
7455
7456 void
7457 scan_xrandr(int i)
7458 {
7459 #ifdef SWM_XRR_HAS_CRTC
7460         int                                             c;
7461         int                                             ncrtc = 0;
7462 #endif /* SWM_XRR_HAS_CRTC */
7463         struct swm_region                               *r;
7464         int                                             num_screens;
7465         xcb_randr_get_screen_resources_current_cookie_t src;
7466         xcb_randr_get_screen_resources_current_reply_t  *srr;
7467         xcb_randr_get_crtc_info_cookie_t                cic;
7468         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7469         xcb_randr_crtc_t                                *crtc;
7470         xcb_screen_t                                    *screen = get_screen(i);
7471
7472         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7473         if (i >= num_screens)
7474                 errx(1, "scan_xrandr: invalid screen");
7475
7476         /* remove any old regions */
7477         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7478                 r->ws->old_r = r->ws->r = NULL;
7479                 bar_cleanup(r);
7480                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7481                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7482         }
7483         outputs = 0;
7484
7485         /* map virtual screens onto physical screens */
7486 #ifdef SWM_XRR_HAS_CRTC
7487         if (xrandr_support) {
7488                 src = xcb_randr_get_screen_resources_current(conn,
7489                     screens[i].root);
7490                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7491                     NULL);
7492                 if (srr == NULL) {
7493                         new_region(&screens[i], 0, 0,
7494                             screen->width_in_pixels,
7495                             screen->height_in_pixels);
7496                         return;
7497                 } else
7498                         ncrtc = srr->num_crtcs;
7499
7500                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7501                 for (c = 0; c < ncrtc; c++) {
7502                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7503                             XCB_CURRENT_TIME);
7504                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7505                         if (cir == NULL)
7506                                 continue;
7507                         if (cir->num_outputs == 0) {
7508                                 free(cir);
7509                                 continue;
7510                         }
7511
7512                         if (cir->mode == 0)
7513                                 new_region(&screens[i], 0, 0,
7514                                     screen->width_in_pixels,
7515                                     screen->height_in_pixels);
7516                         else
7517                                 new_region(&screens[i],
7518                                     cir->x, cir->y, cir->width, cir->height);
7519                         free(cir);
7520                 }
7521                 free(srr);
7522         } else
7523 #endif /* SWM_XRR_HAS_CRTC */
7524         {
7525                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7526                     screen->height_in_pixels);
7527         }
7528 }
7529
7530 void
7531 screenchange(xcb_randr_screen_change_notify_event_t *e)
7532 {
7533         struct swm_region               *r;
7534         int                             i, num_screens;
7535
7536         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7537
7538         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7539         /* silly event doesn't include the screen index */
7540         for (i = 0; i < num_screens; i++)
7541                 if (screens[i].root == e->root)
7542                         break;
7543         if (i >= num_screens)
7544                 errx(1, "screenchange: screen not found");
7545
7546         /* brute force for now, just re-enumerate the regions */
7547         scan_xrandr(i);
7548
7549 #ifdef SWM_DEBUG
7550         print_win_geom(e->root);
7551 #endif
7552         /* add bars to all regions */
7553         for (i = 0; i < num_screens; i++)
7554                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7555                         bar_setup(r);
7556         stack();
7557 }
7558
7559 void
7560 grab_windows(void)
7561 {
7562         xcb_window_t            *wins   = NULL;
7563         int                     no;
7564         int                     i, j, num_screens;
7565         uint16_t                state, manage;
7566
7567         xcb_query_tree_cookie_t                 qtc;
7568         xcb_query_tree_reply_t                  *qtr;
7569         xcb_get_window_attributes_cookie_t      c;
7570         xcb_get_window_attributes_reply_t       *r;
7571         xcb_get_property_cookie_t               pc;
7572
7573         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
7574         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7575         for (i = 0; i < num_screens; i++) {
7576                 qtc = xcb_query_tree(conn, screens[i].root);
7577                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7578                 if (!qtr)
7579                         continue;
7580                 wins = xcb_query_tree_children(qtr);
7581                 no = xcb_query_tree_children_length(qtr);
7582                 /* attach windows to a region */
7583                 /* normal windows */
7584                 for (j = 0; j < no; j++) {
7585                         c = xcb_get_window_attributes(conn, wins[j]);
7586                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7587                         if (!r)
7588                                 continue;
7589                         if (r->override_redirect) {
7590                                 free(r);
7591                                 continue;
7592                         }
7593
7594                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7595                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7596                             &wins[j], NULL)) {
7597                                 free(r);
7598                                 continue;
7599                         }
7600
7601                         state = getstate(wins[j]);
7602                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7603                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7604                                 manage_window(wins[j]);
7605                         free(r);
7606                 }
7607                 /* transient windows */
7608                 for (j = 0; j < no; j++) {
7609                         c = xcb_get_window_attributes(conn, wins[j]);
7610                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7611                         if (!r)
7612                                 continue;
7613                         if (r->override_redirect) {
7614                                 free(r);
7615                                 continue;
7616                         }
7617                         free(r);
7618
7619                         state = getstate(wins[j]);
7620                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7621                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7622                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7623                             &wins[j], NULL) && manage)
7624                                 manage_window(wins[j]);
7625                 }
7626                 free(qtr);
7627         }
7628         DNPRINTF(SWM_D_INIT, "grab_windows: done\n");
7629 }
7630
7631 void
7632 setup_screens(void)
7633 {
7634         int                     i, j, k, num_screens;
7635         struct workspace        *ws;
7636         uint32_t                gcv[1], wa[1];
7637         const xcb_query_extension_reply_t *qep;
7638         xcb_cursor_t                            cursor;
7639         xcb_font_t                              cursor_font;
7640         xcb_randr_query_version_cookie_t        c;
7641         xcb_randr_query_version_reply_t         *r;
7642
7643         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7644         if ((screens = calloc(num_screens,
7645              sizeof(struct swm_screen))) == NULL)
7646                 err(1, "setup_screens: calloc: failed to allocate memory for "
7647                     "screens");
7648
7649         /* initial Xrandr setup */
7650         xrandr_support = 0;
7651         c = xcb_randr_query_version(conn, 1, 1);
7652         r = xcb_randr_query_version_reply(conn, c, NULL);
7653         if (r) {
7654                 if (r->major_version >= 1)
7655                         xrandr_support = 1;
7656                 free(r);
7657         }
7658         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7659         xrandr_eventbase = qep->first_event;
7660
7661         cursor_font = xcb_generate_id(conn);
7662         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7663
7664         cursor = xcb_generate_id(conn);
7665         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7666             XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7667         wa[0] = cursor;
7668
7669         /* map physical screens */
7670         for (i = 0; i < num_screens; i++) {
7671                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7672                 screens[i].idx = i;
7673                 TAILQ_INIT(&screens[i].rl);
7674                 TAILQ_INIT(&screens[i].orl);
7675                 screens[i].root = get_screen(i)->root;
7676
7677                 /* set default colors */
7678                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7679                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7680                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7681                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7682                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7683
7684                 /* create graphics context on screen */
7685                 screens[i].bar_gc = xcb_generate_id(conn);
7686                 gcv[0] = 0;
7687                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7688                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7689
7690                 /* set default cursor */
7691                 xcb_change_window_attributes(conn, screens[i].root,
7692                     XCB_CW_CURSOR, wa);
7693
7694                 /* init all workspaces */
7695                 /* XXX these should be dynamically allocated too */
7696                 for (j = 0; j < SWM_WS_MAX; j++) {
7697                         ws = &screens[i].ws[j];
7698                         ws->idx = j;
7699                         ws->name = NULL;
7700                         ws->focus = NULL;
7701                         ws->r = NULL;
7702                         ws->old_r = NULL;
7703                         TAILQ_INIT(&ws->winlist);
7704                         TAILQ_INIT(&ws->unmanagedlist);
7705
7706                         for (k = 0; layouts[k].l_stack != NULL; k++)
7707                                 if (layouts[k].l_config != NULL)
7708                                         layouts[k].l_config(ws,
7709                                             SWM_ARG_ID_STACKINIT);
7710                         ws->cur_layout = &layouts[0];
7711                         ws->cur_layout->l_string(ws);
7712                 }
7713
7714                 scan_xrandr(i);
7715
7716                 if (xrandr_support)
7717                         xcb_randr_select_input(conn, screens[i].root,
7718                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7719         }
7720         xcb_free_cursor(conn, cursor);
7721         xcb_close_font(conn, cursor_font);
7722 }
7723
7724 void
7725 setup_globals(void)
7726 {
7727         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7728                 err(1, "setup_globals: strdup: failed to allocate memory.");
7729
7730         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7731                 err(1, "setup_globals: strdup: failed to allocate memory.");
7732
7733         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
7734                 errx(1, "unable to allocate key symbols");
7735
7736         a_state = get_atom_from_string("WM_STATE");
7737         a_prot = get_atom_from_string("WM_PROTOCOLS");
7738         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
7739         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7740         a_wmname = get_atom_from_string("WM_NAME");
7741         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7742         a_utf8_string = get_atom_from_string("UTF8_STRING");
7743         a_string = get_atom_from_string("STRING");
7744         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7745         a_swm_ws = get_atom_from_string("_SWM_WS");
7746 }
7747
7748 void
7749 workaround(void)
7750 {
7751         int                     i, num_screens;
7752         xcb_atom_t              netwmcheck;
7753         xcb_window_t            root, win;
7754         uint32_t                wa[2];
7755
7756         /* work around sun jdk bugs, code from wmname */
7757         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7758
7759         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7760         for (i = 0; i < num_screens; i++) {
7761                 root = screens[i].root;
7762
7763                 win = xcb_generate_id(conn);
7764                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].pixel;
7765                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].pixel;
7766                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7767                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7768                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7769
7770                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7771                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7772                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7773                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7774                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7775                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
7776         }
7777 }
7778
7779 void
7780 event_error(xcb_generic_error_t *e)
7781 {
7782         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
7783             "resource_id: %u, minor_code: %u\n",
7784             xcb_event_get_error_label(e->error_code), e->error_code,
7785             xcb_event_get_request_label(e->major_code), e->major_code,
7786             e->sequence, e->resource_id, e->minor_code);
7787 }
7788
7789 void
7790 event_handle(xcb_generic_event_t *evt)
7791 {
7792         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7793
7794         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
7795             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
7796             XCB_EVENT_RESPONSE_TYPE(evt));
7797
7798         switch (type) {
7799 #define EVENT(type, callback) case type: callback((void *)evt); return
7800         EVENT(0, event_error);
7801         EVENT(XCB_BUTTON_PRESS, buttonpress);
7802         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7803         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
7804         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
7805         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7806         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
7807         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7808         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7809         /*EVENT(XCB_CREATE_NOTIFY, );*/
7810         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7811         EVENT(XCB_ENTER_NOTIFY, enternotify);
7812         EVENT(XCB_EXPOSE, expose);
7813 #ifdef SWM_DEBUG
7814         EVENT(XCB_FOCUS_IN, focusin);
7815 #endif
7816         /*EVENT(XCB_FOCUS_OUT, );*/
7817         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
7818         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
7819         EVENT(XCB_KEY_PRESS, keypress);
7820         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7821         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
7822 #ifdef SWM_DEBUG
7823         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
7824 #endif
7825         EVENT(XCB_MAP_NOTIFY, mapnotify);
7826         EVENT(XCB_MAP_REQUEST, maprequest);
7827         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7828         /*EVENT(XCB_MOTION_NOTIFY, );*/
7829         /*EVENT(XCB_NO_EXPOSURE, );*/
7830         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7831         /*EVENT(XCB_REPARENT_NOTIFY, );*/
7832         /*EVENT(XCB_RESIZE_REQUEST, );*/
7833         /*EVENT(XCB_SELECTION_CLEAR, );*/
7834         /*EVENT(XCB_SELECTION_NOTIFY, );*/
7835         /*EVENT(XCB_SELECTION_REQUEST, );*/
7836         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7837         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
7838 #undef EVENT
7839         }
7840         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7841                 screenchange((void *)evt);
7842 }
7843
7844 int
7845 main(int argc, char *argv[])
7846 {
7847         struct swm_region       *r, *rr;
7848         struct ws_win           *winfocus = NULL;
7849         union arg               a;
7850         char                    conf[PATH_MAX], *cfile = NULL;
7851         struct stat             sb;
7852         int                     xfd, i, num_screens;
7853         struct sigaction        sact;
7854         xcb_generic_event_t     *evt;
7855         struct timeval          tv;
7856         fd_set                  rd;
7857
7858         /* suppress unused warning since var is needed */
7859         (void)argc;
7860
7861         time_started = time(NULL);
7862
7863         start_argv = argv;
7864         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7865         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
7866                 warnx("no locale support");
7867
7868         /* handle some signals */
7869         bzero(&sact, sizeof(sact));
7870         sigemptyset(&sact.sa_mask);
7871         sact.sa_flags = 0;
7872         sact.sa_handler = sighdlr;
7873         sigaction(SIGINT, &sact, NULL);
7874         sigaction(SIGQUIT, &sact, NULL);
7875         sigaction(SIGTERM, &sact, NULL);
7876         sigaction(SIGHUP, &sact, NULL);
7877
7878         sact.sa_handler = sighdlr;
7879         sact.sa_flags = SA_NOCLDSTOP;
7880         sigaction(SIGCHLD, &sact, NULL);
7881
7882         if (!(display = XOpenDisplay(0)))
7883                 errx(1, "can not open display");
7884
7885         conn = XGetXCBConnection(display);
7886         if (xcb_connection_has_error(conn))
7887                 errx(1, "can not get XCB connection");
7888
7889         XSetEventQueueOwner(display, XCBOwnsEventQueue);
7890
7891         xcb_prefetch_extension_data(conn, &xcb_randr_id);
7892         xfd = xcb_get_file_descriptor(conn);
7893
7894         /* look for local and global conf file */
7895         pwd = getpwuid(getuid());
7896         if (pwd == NULL)
7897                 errx(1, "invalid user: %d", getuid());
7898
7899         xcb_grab_server(conn);
7900         xcb_aux_sync(conn);
7901
7902         /* flush all events */
7903         while ((evt = xcb_poll_for_event(conn))) {
7904                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
7905                         event_handle(evt);
7906                 free(evt);
7907         }
7908
7909         if (enable_wm() != 0)
7910                 errx(1, "another window manager is currently running");
7911
7912         xcb_aux_sync(conn);
7913
7914         setup_globals();
7915         setup_screens();
7916         setup_keys();
7917         setup_quirks();
7918         setup_spawn();
7919
7920         /* load config */
7921         for (i = 0; ; i++) {
7922                 conf[0] = '\0';
7923                 switch (i) {
7924                 case 0:
7925                         /* ~ */
7926                         snprintf(conf, sizeof conf, "%s/.%s",
7927                             pwd->pw_dir, SWM_CONF_FILE);
7928                         break;
7929                 case 1:
7930                         /* global */
7931                         snprintf(conf, sizeof conf, "/etc/%s",
7932                             SWM_CONF_FILE);
7933                         break;
7934                 case 2:
7935                         /* ~ compat */
7936                         snprintf(conf, sizeof conf, "%s/.%s",
7937                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7938                         break;
7939                 case 3:
7940                         /* global compat */
7941                         snprintf(conf, sizeof conf, "/etc/%s",
7942                             SWM_CONF_FILE_OLD);
7943                         break;
7944                 default:
7945                         goto noconfig;
7946                 }
7947
7948                 if (strlen(conf) && stat(conf, &sb) != -1)
7949                         if (S_ISREG(sb.st_mode)) {
7950                                 cfile = conf;
7951                                 break;
7952                         }
7953         }
7954 noconfig:
7955
7956         /* load conf (if any) */
7957         if (cfile)
7958                 conf_load(cfile, SWM_CONF_DEFAULT);
7959
7960         setup_ewmh();
7961         /* set some values to work around bad programs */
7962         workaround();
7963         /* grab existing windows (before we build the bars) */
7964         grab_windows();
7965
7966         if (getenv("SWM_STARTED") == NULL)
7967                 setenv("SWM_STARTED", "YES", 1);
7968
7969         /* setup all bars */
7970         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7971         for (i = 0; i < num_screens; i++)
7972                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7973                         if (winfocus == NULL)
7974                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7975                         bar_setup(r);
7976                 }
7977
7978         //unfocus_all();
7979
7980         grabkeys();
7981         stack();
7982
7983         xcb_ungrab_server(conn);
7984         xcb_flush(conn);
7985
7986         while (running) {
7987                 while ((evt = xcb_poll_for_event(conn))) {
7988                         if (running == 0)
7989                                 goto done;
7990                         event_handle(evt);
7991                         free(evt);
7992                 }
7993
7994                 /* if we are being restarted go focus on first window */
7995                 if (winfocus) {
7996                         rr = winfocus->ws->r;
7997                         if (rr == NULL) {
7998                                 /* not a visible window */
7999                                 winfocus = NULL;
8000                                 continue;
8001                         }
8002                         /* move pointer to first screen if multi screen */
8003                         if (num_screens > 1 || outputs > 1)
8004                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
8005                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
8006                                     Y(rr) + (bar_enabled ? bar_height : 0));
8007
8008                         a.id = SWM_ARG_ID_FOCUSCUR;
8009                         focus(rr, &a);
8010                         winfocus = NULL;
8011                         continue;
8012                 }
8013
8014                 FD_ZERO(&rd);
8015                 FD_SET(xfd, &rd);
8016                 tv.tv_sec = 1;
8017                 tv.tv_usec = 0;
8018                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
8019                         if (errno != EINTR)
8020                                 DNPRINTF(SWM_D_MISC, "select failed");
8021                 if (restart_wm == 1)
8022                         restart(NULL, NULL);
8023                 if (search_resp == 1)
8024                         search_do_resp();
8025                 if (running == 0)
8026                         goto done;
8027                 if (bar_alarm) {
8028                         bar_alarm = 0;
8029                         bar_update();
8030                 }
8031         }
8032 done:
8033         teardown_ewmh();
8034         bar_extra_stop();
8035
8036         for (i = 0; i < num_screens; ++i)
8037                 if (screens[i].bar_gc != 0)
8038                         xcb_free_gc(conn, screens[i].bar_gc);
8039
8040         XftFontClose(display, bar_font);
8041         XftColorFree(display, DefaultVisual(display, 0),
8042             DefaultColormap(display, 0), &bar_font_color);
8043         xcb_key_symbols_free(syms);
8044         xcb_flush(conn);
8045         xcb_disconnect(conn);
8046
8047         return (0);
8048 }