spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 /* kernel includes */
  58 #include <sys/types.h>
  59 #include <sys/time.h>
  60 #include <sys/stat.h>
  61 #include <sys/wait.h>
  62 #include <sys/queue.h>
  63 #include <sys/param.h>
  64 #include <sys/select.h>
  65 #if defined(__linux__)
  66 #include "tree.h"
  67 #elif defined(__OpenBSD__)
  68 #include <sys/tree.h>
  69 #elif defined(__FreeBSD__)
  70 #include <sys/tree.h>
  71 #else
  72 #include "tree.h"
  73 #endif
  74
  75 /* /usr/includes */
  76 #include <ctype.h>
  77 #include <err.h>
  78 #include <errno.h>
  79 #include <fcntl.h>
  80 #include <locale.h>
  81 #include <paths.h>
  82 #include <pwd.h>
  83 #include <signal.h>
  84 #include <stdio.h>
  85 #include <stdlib.h>
  86 #include <string.h>
  87 #include <time.h>
  88 #include <unistd.h>
  89 #include <util.h>
  90 #include <X11/cursorfont.h>
  91 #include <X11/keysym.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/XKBlib.h>
  94 #include <X11/Xlib-xcb.h>
  95 #include <X11/Xproto.h>
  96 #include <X11/Xutil.h>
  97 #include <X11/extensions/Xrandr.h>
  98 #include <X11/extensions/XTest.h>
  99 #include <xcb/randr.h>
 100 #include <xcb/xcb_atom.h>
 101 #include <xcb/xcb_aux.h>
 102 #include <xcb/xcb_event.h>
 103 #include <xcb/xcb_icccm.h>
 104 #include <xcb/xcb_keysyms.h>
 105 #include <xcb/xtest.h>
 106
 107 /* local includes */
 108 #include "version.h"
 109 #ifdef __OSX__
 110 #include <osx.h>
 111 #endif
 112
 113 #ifdef SPECTRWM_BUILDSTR
 114 static const char       *buildstr = SPECTRWM_BUILDSTR;
 115 #else
 116 static const char       *buildstr = SPECTRWM_VERSION;
 117 #endif
 118
 119 #if RANDR_MAJOR < 1
 120 #  error XRandR versions less than 1.0 are not supported
 121 #endif
 122
 123 #if RANDR_MAJOR >= 1
 124 #if RANDR_MINOR >= 2
 125 #define SWM_XRR_HAS_CRTC
 126 #endif
 127 #endif
 128
 129 #if defined(__OpenBSD__)
 130 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 132 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 133 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 134 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 135 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 136 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 137 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 138 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 139 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 140 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 141 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 142 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 143 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 144 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 145 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 146 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 147 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 148 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 149 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 150 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 151 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 152 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 153 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 154 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 155 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 156 #endif
 157
 158 #define SWM_DEBUG
 159 #ifdef SWM_DEBUG
 160 #define DPRINTF(x...) do {                                                      \
 161         if (swm_debug)                                                          \
 162                 fprintf(stderr, x);                                             \
 163 } while (0)
 164 #define DNPRINTF(n,x...) do {                                                   \
 165         if (swm_debug & n) {                                                    \
 166                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 167                 fprintf(stderr, x);                                             \
 168         }                                                                       \
 169 } while (0)
 170 #define SWM_D_MISC              0x0001
 171 #define SWM_D_EVENT             0x0002
 172 #define SWM_D_WS                0x0004
 173 #define SWM_D_FOCUS             0x0008
 174 #define SWM_D_MOVE              0x0010
 175 #define SWM_D_STACK             0x0020
 176 #define SWM_D_MOUSE             0x0040
 177 #define SWM_D_PROP              0x0080
 178 #define SWM_D_CLASS             0x0100
 179 #define SWM_D_KEY               0x0200
 180 #define SWM_D_QUIRK             0x0400
 181 #define SWM_D_SPAWN             0x0800
 182 #define SWM_D_EVENTQ            0x1000
 183 #define SWM_D_CONF              0x2000
 184 #define SWM_D_BAR               0x4000
 185
 186 u_int32_t               swm_debug = 0
 187                             | SWM_D_MISC
 188                             | SWM_D_EVENT
 189                             | SWM_D_WS
 190                             | SWM_D_FOCUS
 191                             | SWM_D_MOVE
 192                             | SWM_D_STACK
 193                             | SWM_D_MOUSE
 194                             | SWM_D_PROP
 195                             | SWM_D_CLASS
 196                             | SWM_D_KEY
 197                             | SWM_D_QUIRK
 198                             | SWM_D_SPAWN
 199                             | SWM_D_EVENTQ
 200                             | SWM_D_CONF
 201                             | SWM_D_BAR
 202                             ;
 203 #else
 204 #define DPRINTF(x...)
 205 #define DNPRINTF(n,x...)
 206 #endif
 207
 208 #define LENGTH(x)               (int)(sizeof x / sizeof x[0])
 209 #define MODKEY                  Mod1Mask
 210 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 211 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 212 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 213 #define SWM_PROPLEN             (16)
 214 #define SWM_FUNCNAME_LEN        (32)
 215 #define SWM_KEYS_LEN            (255)
 216 #define SWM_QUIRK_LEN           (64)
 217 #define X(r)                    (r)->g.x
 218 #define Y(r)                    (r)->g.y
 219 #define WIDTH(r)                (r)->g.w
 220 #define HEIGHT(r)               (r)->g.h
 221 #define BORDER(w)               (w->bordered ? border_width : 0)
 222 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 223 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 224 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 225 #define SH_MIN_W(w)             (w)->sh.min_width
 226 #define SH_MIN_H(w)             (w)->sh.min_height
 227 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 228 #define SH_MAX_W(w)             (w)->sh.max_width
 229 #define SH_MAX_H(w)             (w)->sh.max_height
 230 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 231 #define SH_INC_W(w)             (w)->sh.width_inc
 232 #define SH_INC_H(w)             (w)->sh.height_inc
 233 #define SWM_MAX_FONT_STEPS      (3)
 234 #define WINID(w)                ((w) ? (w)->id : 0)
 235 #define YESNO(x)                ((x) ? "yes" : "no")
 236
 237 #define SWM_FOCUS_DEFAULT       (0)
 238 #define SWM_FOCUS_SYNERGY       (1)
 239 #define SWM_FOCUS_FOLLOW        (2)
 240
 241 #define SWM_CONF_DEFAULT        (0)
 242 #define SWM_CONF_KEYMAPPING     (1)
 243
 244 #ifndef SWM_LIB
 245 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 246 #endif
 247
 248 char                    **start_argv;
 249 xcb_atom_t              a_state;
 250 xcb_atom_t              a_prot;
 251 xcb_atom_t              a_delete;
 252 xcb_atom_t              a_takefocus;
 253 xcb_atom_t              a_wmname;
 254 xcb_atom_t              a_netwmname;
 255 xcb_atom_t              a_utf8_string;
 256 xcb_atom_t              a_string;
 257 xcb_atom_t              a_swm_iconic;
 258 volatile sig_atomic_t   running = 1;
 259 volatile sig_atomic_t   restart_wm = 0;
 260 int                     outputs = 0;
 261 /*int                   last_focus_event = FocusOut;*/
 262 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 263 int                     other_wm;
 264 int                     ss_enabled = 0;
 265 int                     xrandr_support;
 266 int                     xrandr_eventbase;
 267 unsigned int            numlockmask = 0;
 268 Display                 *display;
 269 xcb_connection_t        *conn;
 270 xcb_key_symbols_t       *syms;
 271
 272 int                     cycle_empty = 0;
 273 int                     cycle_visible = 0;
 274 int                     term_width = 0;
 275 int                     font_adjusted = 0;
 276 unsigned int            mod_key = MODKEY;
 277
 278 /* dmenu search */
 279 struct swm_region       *search_r;
 280 int                     select_list_pipe[2];
 281 int                     select_resp_pipe[2];
 282 pid_t                   searchpid;
 283 volatile sig_atomic_t   search_resp;
 284 int                     search_resp_action;
 285
 286 struct search_window {
 287         TAILQ_ENTRY(search_window)      entry;
 288         int                             idx;
 289         struct ws_win                   *win;
 290         xcb_gcontext_t                  gc;
 291         xcb_window_t                    indicator;
 292 };
 293 TAILQ_HEAD(search_winlist, search_window);
 294 struct search_winlist                   search_wl;
 295
 296 /* search actions */
 297 enum {
 298         SWM_SEARCH_NONE,
 299         SWM_SEARCH_UNICONIFY,
 300         SWM_SEARCH_NAME_WORKSPACE,
 301         SWM_SEARCH_SEARCH_WORKSPACE,
 302         SWM_SEARCH_SEARCH_WINDOW
 303 };
 304
 305 #define SWM_STACK_TOP           (0)
 306 #define SWM_STACK_BOTTOM        (1)
 307 #define SWM_STACK_ABOVE         (2)
 308 #define SWM_STACK_BELOW         (3)
 309
 310 /* dialog windows */
 311 double                  dialog_ratio = 0.6;
 312 /* status bar */
 313 #define SWM_BAR_MAX             (256)
 314 #define SWM_BAR_JUSTIFY_LEFT    (0)
 315 #define SWM_BAR_JUSTIFY_CENTER  (1)
 316 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 317 #define SWM_BAR_OFFSET          (4)
 318 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 319                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 320                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 321                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 322                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 323
 324 char                    *bar_argv[] = { NULL, NULL };
 325 int                     bar_pipe[2];
 326 unsigned char           bar_ext[SWM_BAR_MAX];
 327 char                    bar_vertext[SWM_BAR_MAX];
 328 int                     bar_version = 0;
 329 sig_atomic_t            bar_alarm = 0;
 330 int                     bar_delay = 30;
 331 int                     bar_enabled = 1;
 332 int                     bar_border_width = 1;
 333 int                     bar_at_bottom = 0;
 334 int                     bar_extra = 1;
 335 int                     bar_extra_running = 0;
 336 int                     bar_verbose = 1;
 337 int                     bar_height = 0;
 338 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 339 char                    *bar_format = NULL;
 340 int                     stack_enabled = 1;
 341 int                     clock_enabled = 1;
 342 int                     urgent_enabled = 0;
 343 char                    *clock_format = NULL;
 344 int                     title_name_enabled = 0;
 345 int                     title_class_enabled = 0;
 346 int                     window_name_enabled = 0;
 347 int                     focus_mode = SWM_FOCUS_DEFAULT;
 348 int                     focus_close = SWM_STACK_BELOW;
 349 int                     focus_close_wrap = 1;
 350 int                     focus_default = SWM_STACK_TOP;
 351 int                     spawn_position = SWM_STACK_TOP;
 352 int                     disable_border = 0;
 353 int                     border_width = 1;
 354 int                     verbose_layout = 0;
 355 time_t                  time_started;
 356 pid_t                   bar_pid;
 357 #if 0
 358 XFontSet                bar_fs;
 359 XFontSetExtents         *bar_fs_extents;
 360 #endif
 361 char                    *bar_fonts;
 362 struct passwd           *pwd;
 363
 364 #define SWM_MENU_FN     (2)
 365 #define SWM_MENU_NB     (4)
 366 #define SWM_MENU_NF     (6)
 367 #define SWM_MENU_SB     (8)
 368 #define SWM_MENU_SF     (10)
 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        color;
 521                 char            *name;
 522         } c[SWM_S_COLOR_MAX];
 523
 524         xcb_gcontext_t          bar_gc;
 525 };
 526 struct swm_screen       *screens;
 527
 528 /* args to functions */
 529 union arg {
 530         int                     id;
 531 #define SWM_ARG_ID_FOCUSNEXT    (0)
 532 #define SWM_ARG_ID_FOCUSPREV    (1)
 533 #define SWM_ARG_ID_FOCUSMAIN    (2)
 534 #define SWM_ARG_ID_FOCUSCUR     (4)
 535 #define SWM_ARG_ID_SWAPNEXT     (10)
 536 #define SWM_ARG_ID_SWAPPREV     (11)
 537 #define SWM_ARG_ID_SWAPMAIN     (12)
 538 #define SWM_ARG_ID_MOVELAST     (13)
 539 #define SWM_ARG_ID_MASTERSHRINK (20)
 540 #define SWM_ARG_ID_MASTERGROW   (21)
 541 #define SWM_ARG_ID_MASTERADD    (22)
 542 #define SWM_ARG_ID_MASTERDEL    (23)
 543 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 544 #define SWM_ARG_ID_STACKRESET   (30)
 545 #define SWM_ARG_ID_STACKINIT    (31)
 546 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 547 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 548 #define SWM_ARG_ID_CYCLESC_UP   (42)
 549 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 550 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 551 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 552 #define SWM_ARG_ID_STACKINC     (50)
 553 #define SWM_ARG_ID_STACKDEC     (51)
 554 #define SWM_ARG_ID_SS_ALL       (60)
 555 #define SWM_ARG_ID_SS_WINDOW    (61)
 556 #define SWM_ARG_ID_DONTCENTER   (70)
 557 #define SWM_ARG_ID_CENTER       (71)
 558 #define SWM_ARG_ID_KILLWINDOW   (80)
 559 #define SWM_ARG_ID_DELETEWINDOW (81)
 560 #define SWM_ARG_ID_WIDTHGROW    (90)
 561 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 562 #define SWM_ARG_ID_HEIGHTGROW   (92)
 563 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 564 #define SWM_ARG_ID_MOVEUP       (100)
 565 #define SWM_ARG_ID_MOVEDOWN     (101)
 566 #define SWM_ARG_ID_MOVELEFT     (102)
 567 #define SWM_ARG_ID_MOVERIGHT    (103)
 568         char                    **argv;
 569 };
 570
 571 /* quirks */
 572 struct quirk {
 573         TAILQ_ENTRY(quirk)      entry;
 574         char                    *class;
 575         char                    *name;
 576         unsigned long           quirk;
 577 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 578 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 579 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 580 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 581 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 582 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 583 };
 584 TAILQ_HEAD(quirk_list, quirk);
 585 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 586
 587 /*
 588  * Supported EWMH hints should be added to
 589  * both the enum and the ewmh array
 590  */
 591 enum {
 592         _NET_ACTIVE_WINDOW,
 593         _NET_CLOSE_WINDOW,
 594         _NET_MOVERESIZE_WINDOW,
 595         _NET_WM_ACTION_CLOSE,
 596         _NET_WM_ACTION_FULLSCREEN,
 597         _NET_WM_ACTION_MOVE,
 598         _NET_WM_ACTION_RESIZE,
 599         _NET_WM_ALLOWED_ACTIONS,
 600         _NET_WM_STATE,
 601         _NET_WM_STATE_ABOVE,
 602         _NET_WM_STATE_FULLSCREEN,
 603         _NET_WM_STATE_HIDDEN,
 604         _NET_WM_STATE_MAXIMIZED_HORZ,
 605         _NET_WM_STATE_MAXIMIZED_VERT,
 606         _NET_WM_STATE_SKIP_PAGER,
 607         _NET_WM_STATE_SKIP_TASKBAR,
 608         _NET_WM_WINDOW_TYPE,
 609         _NET_WM_WINDOW_TYPE_DIALOG,
 610         _NET_WM_WINDOW_TYPE_DOCK,
 611         _NET_WM_WINDOW_TYPE_NORMAL,
 612         _NET_WM_WINDOW_TYPE_SPLASH,
 613         _NET_WM_WINDOW_TYPE_TOOLBAR,
 614         _NET_WM_WINDOW_TYPE_UTILITY,
 615         _SWM_WM_STATE_MANUAL,
 616         SWM_EWMH_HINT_MAX
 617 };
 618
 619 struct ewmh_hint {
 620         char            *name;
 621         xcb_atom_t      atom;
 622 } ewmh[SWM_EWMH_HINT_MAX] =     {
 623     /* must be in same order as in the enum */
 624     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 625     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 626     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 627     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 628     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 629     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 630     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 631     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 632     {"_NET_WM_STATE", XCB_ATOM_NONE},
 633     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 634     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 635     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 636     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 637     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 638     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 639     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 640     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 641     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 642     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 643     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 644     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 645     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 646     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 647     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 648 };
 649
 650 /* function prototypes */
 651 int      conf_load(char *, int);
 652 void     constrain_window(struct ws_win *, struct swm_region *, int);
 653 void     do_sync(void);
 654 void     event_handle(xcb_generic_event_t *);
 655 struct ws_win   *find_window(xcb_window_t);
 656 int      floating_toggle_win(struct ws_win *);
 657 void     focus(struct swm_region *, union arg *);
 658 void     focus_magic(struct ws_win *);
 659 xcb_atom_t get_atom_from_string(const char *);
 660 xcb_screen_t    *get_screen(int);
 661 char    *get_win_name(xcb_window_t);
 662 uint16_t getstate(xcb_window_t);
 663 void     grabbuttons(struct ws_win *, int);
 664 void     map_window_raised(xcb_window_t);
 665 void     new_region(struct swm_screen *, int, int, int, int);
 666 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 667 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 668 void     store_float_geom(struct ws_win *, struct swm_region *);
 669 void     unmanage_window(struct ws_win *);
 670 void     update_window(struct ws_win *);
 671
 672 /* function definitions */
 673 int
 674 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 675 {
 676         unsigned int    tmpr, tmpg, tmpb;
 677
 678         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 679                 return (-1);
 680
 681         *rr = tmpr << 8;
 682         *gg = tmpg << 8;
 683         *bb = tmpb << 8;
 684
 685         return (0);
 686 }
 687
 688 xcb_screen_t *
 689 get_screen(int screen)
 690 {
 691         xcb_screen_iterator_t i;
 692
 693         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 694         for (; i.rem; --screen, xcb_screen_next(&i))
 695                 if (screen == 0)
 696                         return (i.data);
 697
 698         return (NULL);
 699 }
 700
 701 void
 702 do_sync(void)
 703 {
 704         xcb_get_input_focus_cookie_t    c;
 705         xcb_get_input_focus_reply_t     *r;
 706
 707         /* mimic XSync() */
 708         c = xcb_get_input_focus(conn);
 709         xcb_flush(conn);
 710         r = xcb_get_input_focus_reply(conn, c, NULL);
 711         if (r)
 712                 free(r);
 713 }
 714
 715 void
 716 map_window_raised(xcb_window_t win)
 717 {
 718         uint32_t        val = XCB_STACK_MODE_ABOVE;
 719
 720         xcb_configure_window(conn, win,
 721             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 722
 723         xcb_map_window(conn, win);
 724 }
 725
 726 xcb_atom_t
 727 get_atom_from_string(const char *str)
 728 {
 729         xcb_intern_atom_cookie_t        c;
 730         xcb_intern_atom_reply_t         *r;
 731         xcb_atom_t                      atom;
 732
 733         c = xcb_intern_atom(conn, False, strlen(str), str);
 734         r = xcb_intern_atom_reply(conn, c, NULL);
 735         if (r) {
 736                 atom = r->atom;
 737                 free(r);
 738
 739                 return (atom);
 740         }
 741
 742         return (XCB_ATOM_NONE);
 743 }
 744
 745 void
 746 update_iconic(struct ws_win *win, int newv)
 747 {
 748         int32_t                         v = newv;
 749         xcb_atom_t                      iprop;
 750
 751         win->iconic = newv;
 752
 753         iprop = get_atom_from_string("_SWM_ICONIC");
 754         if (iprop == XCB_ATOM_NONE)
 755                 return;
 756
 757         if (newv)
 758                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 759                     iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 760         else
 761                 xcb_delete_property(conn, win->id, iprop);
 762 }
 763
 764 int32_t
 765 get_iconic(struct ws_win *win)
 766 {
 767         int32_t                         v = 0;
 768         xcb_atom_t                      iprop;
 769         xcb_get_property_reply_t        *pr = NULL;
 770
 771         iprop = get_atom_from_string("_SWM_ICONIC");
 772         if (iprop == XCB_ATOM_NONE)
 773                 goto out;
 774
 775         pr = xcb_get_property_reply(conn,
 776             xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 777             0, 1), NULL);
 778         if (!pr)
 779                 goto out;
 780         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 781                 goto out;
 782         v = *((int32_t *)xcb_get_property_value(pr));
 783 out:
 784         if (pr)
 785                 free(pr);
 786         return (v);
 787 }
 788
 789 void
 790 setup_ewmh(void)
 791 {
 792         xcb_atom_t                      sup_list;
 793         int                             i, j, num_screens;
 794
 795         sup_list = get_atom_from_string("_NET_SUPPORTED");
 796
 797         for (i = 0; i < LENGTH(ewmh); i++)
 798                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 799
 800         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 801         for (i = 0; i < num_screens; i++) {
 802                 /* Support check window will be created by workaround(). */
 803
 804                 /* Report supported atoms */
 805                 xcb_delete_property(conn, screens[i].root, sup_list);
 806                 for (j = 0; j < LENGTH(ewmh); j++)
 807                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 808                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 809                             &ewmh[j].atom);
 810         }
 811 }
 812
 813 void
 814 teardown_ewmh(void)
 815 {
 816         int                             i, num_screens;
 817         xcb_atom_t                      sup_check, sup_list;
 818         xcb_window_t                    id;
 819         xcb_get_property_cookie_t       pc;
 820         xcb_get_property_reply_t        *pr;
 821
 822         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 823         sup_list = get_atom_from_string("_NET_SUPPORTED");
 824         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 825
 826         for (i = 0; i < num_screens; i++) {
 827                 /* Get the support check window and destroy it */
 828                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 829                     XCB_ATOM_WINDOW, 0, 1);
 830                 pr = xcb_get_property_reply(conn, pc, NULL);
 831                 if (pr) {
 832                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 833
 834                         xcb_destroy_window(conn, id);
 835                         xcb_delete_property(conn, screens[i].root, sup_check);
 836                         xcb_delete_property(conn, screens[i].root, sup_list);
 837
 838                         free(pr);
 839                 }
 840         }
 841 }
 842
 843 void
 844 ewmh_autoquirk(struct ws_win *win)
 845 {
 846         uint32_t                i, n;
 847         xcb_atom_t              *type;
 848         xcb_get_property_cookie_t       c;
 849         xcb_get_property_reply_t        *r;
 850
 851         c = xcb_get_property(conn, False, win->id,
 852             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 853         r = xcb_get_property_reply(conn, c, NULL);
 854         if (!r)
 855                 return;
 856
 857         n = xcb_get_property_value_length(r);
 858         type = xcb_get_property_value(r);
 859
 860         for (i = 0; i < n; i++) {
 861                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 862                         break;
 863                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 864                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 865                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 866                         win->floating = 1;
 867                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 868                         break;
 869                 }
 870                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 871                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 872                         win->floating = 1;
 873                         win->quirks = SWM_Q_FLOAT;
 874                         break;
 875                 }
 876         }
 877         free(r);
 878 }
 879
 880 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 881 #define EWMH_F_FULLSCREEN               (1<<0)
 882 #define EWMH_F_ABOVE                    (1<<1)
 883 #define EWMH_F_HIDDEN                   (1<<2)
 884 #define EWMH_F_SKIP_PAGER               (1<<3)
 885 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 886 #define SWM_F_MANUAL                    (1<<5)
 887
 888 int
 889 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 890 {
 891         if (!win->ws->r)
 892                 return (0);
 893
 894         if (!win->floating)
 895                 return (0);
 896
 897         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 898             "fullscreen %s\n", win->id, YESNO(fs));
 899
 900         if (fs) {
 901                 if (!win->g_floatvalid)
 902                         store_float_geom(win, win->ws->r);
 903
 904                 win->g = win->ws->r->g;
 905                 win->bordered = 0;
 906         } else {
 907                 if (win->g_floatvalid) {
 908                         /* refloat at last floating relative position */
 909                         win->g = win->g_float;
 910                         X(win) += X(win->ws->r);
 911                         Y(win) += Y(win->ws->r);
 912                 }
 913         }
 914
 915         return (1);
 916 }
 917
 918 void
 919 ewmh_update_actions(struct ws_win *win)
 920 {
 921         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 922         int                     n = 0;
 923
 924         if (win == NULL)
 925                 return;
 926
 927         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 928
 929         if (win->floating) {
 930                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 931                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 932         }
 933
 934         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 935             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
 936 }
 937
 938 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 939 #define _NET_WM_STATE_ADD       1    /* add/set property */
 940 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 941
 942 void
 943 ewmh_update_win_state(struct ws_win *win, long state, long action)
 944 {
 945         unsigned int            mask = 0;
 946         unsigned int            changed = 0;
 947         unsigned int            orig_flags;
 948
 949         if (win == NULL)
 950                 return;
 951
 952         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 953                 mask = EWMH_F_FULLSCREEN;
 954         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 955                 mask = EWMH_F_ABOVE;
 956         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 957                 mask = SWM_F_MANUAL;
 958         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 959                 mask = EWMH_F_SKIP_PAGER;
 960         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 961                 mask = EWMH_F_SKIP_TASKBAR;
 962
 963
 964         orig_flags = win->ewmh_flags;
 965
 966         switch (action) {
 967         case _NET_WM_STATE_REMOVE:
 968                 win->ewmh_flags &= ~mask;
 969                 break;
 970         case _NET_WM_STATE_ADD:
 971                 win->ewmh_flags |= mask;
 972                 break;
 973         case _NET_WM_STATE_TOGGLE:
 974                 win->ewmh_flags ^= mask;
 975                 break;
 976         }
 977
 978         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 979
 980         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 981                 if (changed)
 982                         if (!floating_toggle_win(win))
 983                                 win->ewmh_flags = orig_flags; /* revert */
 984         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 985                 if (changed)
 986                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 987         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 988                 if (changed)
 989                         if (!ewmh_set_win_fullscreen(win,
 990                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 991                                 win->ewmh_flags = orig_flags; /* revert */
 992
 993         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 994
 995         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 996                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 997                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 998                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 999         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1000                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1001                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1002                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1003         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1004                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1005                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1006                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1007         if (win->ewmh_flags & EWMH_F_ABOVE)
1008                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1009                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1010                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1011         if (win->ewmh_flags & SWM_F_MANUAL)
1012                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1013                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1014                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1015 }
1016
1017 void
1018 ewmh_get_win_state(struct ws_win *win)
1019 {
1020         xcb_atom_t                      *states;
1021         xcb_get_property_cookie_t       c;
1022         xcb_get_property_reply_t        *r;
1023         int                             i, n;
1024
1025         if (win == NULL)
1026                 return;
1027
1028         win->ewmh_flags = 0;
1029         if (win->floating)
1030                 win->ewmh_flags |= EWMH_F_ABOVE;
1031         if (win->manual)
1032                 win->ewmh_flags |= SWM_F_MANUAL;
1033
1034         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1035             XCB_ATOM_ATOM, 0, UINT32_MAX);
1036         r = xcb_get_property_reply(conn, c, NULL);
1037         if (!r)
1038                 return;
1039
1040         states = xcb_get_property_value(r);
1041         n = xcb_get_property_value_length(r);
1042
1043         for (i = 0; i < n; i++)
1044                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1045
1046         free(r);
1047 }
1048
1049 /* events */
1050 #ifdef SWM_DEBUG
1051 void
1052 dumpwins(struct swm_region *r, union arg *args)
1053 {
1054         struct ws_win                           *win;
1055         uint16_t                                state;
1056         xcb_get_window_attributes_cookie_t      c;
1057         xcb_get_window_attributes_reply_t       *wa;
1058
1059         if (r->ws == NULL) {
1060                 warnx("dumpwins: invalid workspace");
1061                 return;
1062         }
1063
1064         warnx("=== managed window list ws %02d ===", r->ws->idx);
1065         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1066                 state = getstate(win->id);
1067                 c = xcb_get_window_attributes(conn, win->id);
1068                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1069                 if (wa) {
1070                         warnx("window: 0x%x, map_state: %d, state: %u, "
1071                             "transient: 0x%x", win->id, wa->map_state,
1072                             state, win->transient);
1073                         free(wa);
1074                 } else
1075                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1076                             win->id);
1077         }
1078
1079         warnx("===== unmanaged window list =====");
1080         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1081                 state = getstate(win->id);
1082                 c = xcb_get_window_attributes(conn, win->id);
1083                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1084                 if (wa) {
1085                         warnx("window: 0x%x, map_state: %d, state: %u, "
1086                             "transient: 0x%x", win->id, wa->map_state,
1087                             state, win->transient);
1088                         free(wa);
1089                 } else
1090                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1091                             win->id);
1092         }
1093
1094         warnx("=================================");
1095 }
1096 #else
1097 void
1098 dumpwins(struct swm_region *r, union arg *args)
1099 {
1100 }
1101 #endif /* SWM_DEBUG */
1102
1103 void                    event_error(xcb_generic_error_t *);
1104 void                    expose(xcb_expose_event_t *);
1105 void                    keypress(xcb_key_press_event_t *);
1106 void                    buttonpress(xcb_button_press_event_t *);
1107 void                    configurerequest(xcb_configure_request_event_t *);
1108 void                    configurenotify(xcb_configure_notify_event_t *);
1109 void                    destroynotify(xcb_destroy_notify_event_t *);
1110 void                    enternotify(xcb_enter_notify_event_t *);
1111 void                    mapnotify(xcb_map_notify_event_t *);
1112 void                    mappingnotify(xcb_mapping_notify_event_t *);
1113 void                    maprequest(xcb_map_request_event_t *);
1114 void                    propertynotify(xcb_property_notify_event_t *);
1115 void                    unmapnotify(xcb_unmap_notify_event_t *);
1116 /*void                  visibilitynotify(xcb_visibility_notify_event_t *);*/
1117 void                    clientmessage(xcb_client_message_event_t *);
1118 void                    screenchange(xcb_randr_screen_change_notify_event_t *);
1119
1120 void
1121 sighdlr(int sig)
1122 {
1123         int                     saved_errno, status;
1124         pid_t                   pid;
1125
1126         saved_errno = errno;
1127
1128         switch (sig) {
1129         case SIGCHLD:
1130                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1131                         if (pid == -1) {
1132                                 if (errno == EINTR)
1133                                         continue;
1134 #ifdef SWM_DEBUG
1135                                 if (errno != ECHILD)
1136                                         warn("sighdlr: waitpid");
1137 #endif /* SWM_DEBUG */
1138                                 break;
1139                         }
1140                         if (pid == searchpid)
1141                                 search_resp = 1;
1142
1143 #ifdef SWM_DEBUG
1144                         if (WIFEXITED(status)) {
1145                                 if (WEXITSTATUS(status) != 0)
1146                                         warnx("sighdlr: child exit status: %d",
1147                                             WEXITSTATUS(status));
1148                         } else
1149                                 warnx("sighdlr: child is terminated "
1150                                     "abnormally");
1151 #endif /* SWM_DEBUG */
1152                 }
1153                 break;
1154
1155         case SIGHUP:
1156                 restart_wm = 1;
1157                 break;
1158         case SIGINT:
1159         case SIGTERM:
1160         case SIGQUIT:
1161                 running = 0;
1162                 break;
1163         }
1164
1165         errno = saved_errno;
1166 }
1167
1168 struct pid_e *
1169 find_pid(pid_t pid)
1170 {
1171         struct pid_e            *p = NULL;
1172
1173         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1174
1175         if (pid == 0)
1176                 return (NULL);
1177
1178         TAILQ_FOREACH(p, &pidlist, entry) {
1179                 if (p->pid == pid)
1180                         return (p);
1181         }
1182
1183         return (NULL);
1184 }
1185
1186 uint32_t
1187 name_to_color(const char *colorname)
1188 {
1189         uint32_t                        result = 0;
1190         char                            cname[32] = "#";
1191         xcb_screen_t                    *screen;
1192         xcb_colormap_t                  cmap;
1193         xcb_alloc_color_reply_t         *cr;
1194         xcb_alloc_named_color_reply_t   *nr;
1195         uint16_t                        rr, gg, bb;
1196
1197         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1198         cmap = screen->default_colormap;
1199
1200         /* color is in format rgb://rr/gg/bb */
1201         if (strncmp(colorname, "rgb:", 4) == 0) {
1202                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1203                         warnx("could not parse rgb %s", colorname);
1204                 else {
1205                         cr = xcb_alloc_color_reply(conn,
1206                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1207                             NULL);
1208                         if (cr) {
1209                                 result = cr->pixel;
1210                                 free(cr);
1211                         } else
1212                                 warnx("color '%s' not found", colorname);
1213                 }
1214         } else {
1215                 nr = xcb_alloc_named_color_reply(conn,
1216                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1217                             colorname), NULL);
1218                 if (!nr) {
1219                         strlcat(cname, colorname + 2, sizeof cname - 1);
1220                         nr = xcb_alloc_named_color_reply(conn,
1221                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1222                             cname), NULL);
1223                 }
1224                 if (nr) {
1225                         result = nr->pixel;
1226                         free(nr);
1227                 } else
1228                         warnx("color '%s' not found", colorname);
1229         }
1230
1231         return (result);
1232 }
1233
1234 void
1235 setscreencolor(char *val, int i, int c)
1236 {
1237         int     num_screens;
1238
1239         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1240         if (i > 0 && i <= num_screens) {
1241                 screens[i - 1].c[c].color = name_to_color(val);
1242                 free(screens[i - 1].c[c].name);
1243                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1244                         err(1, "strdup");
1245         } else if (i == -1) {
1246                 for (i = 0; i < num_screens; i++) {
1247                         screens[i].c[c].color = name_to_color(val);
1248                         free(screens[i].c[c].name);
1249                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1250                                 err(1, "strdup");
1251                 }
1252         } else
1253                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1254                     i, num_screens);
1255 }
1256
1257 void
1258 fancy_stacker(struct workspace *ws)
1259 {
1260         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1261         if (ws->cur_layout->l_stack == vertical_stack)
1262                 snprintf(ws->stacker, sizeof ws->stacker,
1263                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1264                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1265         if (ws->cur_layout->l_stack == horizontal_stack)
1266                 snprintf(ws->stacker, sizeof ws->stacker,
1267                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1268                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1269 }
1270
1271 void
1272 plain_stacker(struct workspace *ws)
1273 {
1274         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1275         if (ws->cur_layout->l_stack == vertical_stack)
1276                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1277                     sizeof ws->stacker);
1278         if (ws->cur_layout->l_stack == horizontal_stack)
1279                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1280                     sizeof ws->stacker);
1281 }
1282
1283 void
1284 custom_region(char *val)
1285 {
1286         unsigned int                    sidx, x, y, w, h;
1287         int                             num_screens;
1288         xcb_screen_t                    *screen;
1289
1290         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1291         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1292                 errx(1, "invalid custom region, "
1293                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1294         if (sidx < 1 || sidx > num_screens)
1295                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1296                     sidx, num_screens);
1297         sidx--;
1298
1299         screen = get_screen(sidx);
1300         if (w < 1 || h < 1)
1301                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1302
1303         if (x > screen->width_in_pixels ||
1304             y > screen->height_in_pixels ||
1305             w + x > screen->width_in_pixels ||
1306             h + y > screen->height_in_pixels) {
1307                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1308                     "boundaries (%ux%u)", w, h, x, y,
1309                     screen->width_in_pixels, screen->height_in_pixels);
1310                 return;
1311         }
1312
1313         new_region(&screens[sidx], x, y, w, h);
1314 }
1315
1316 void
1317 socket_setnonblock(int fd)
1318 {
1319         int                     flags;
1320
1321         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1322                 err(1, "fcntl F_GETFL");
1323         flags |= O_NONBLOCK;
1324         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1325                 err(1, "fcntl F_SETFL");
1326 }
1327
1328 void
1329 bar_print(struct swm_region *r, const char *s)
1330 {
1331         int                     x = 0;
1332         size_t                  len;
1333         xcb_rectangle_t         rect;
1334         uint32_t                gcv[1];
1335         XRectangle              ibox, lbox;
1336
1337         len = strlen(s);
1338         /* FIXME fix bar font position calculations */
1339 #if 0
1340         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1341
1342         switch (bar_justify) {
1343         case SWM_BAR_JUSTIFY_LEFT:
1344                 x = SWM_BAR_OFFSET;
1345                 break;
1346         case SWM_BAR_JUSTIFY_CENTER:
1347                 x = (WIDTH(r) - lbox.width) / 2;
1348                 break;
1349         case SWM_BAR_JUSTIFY_RIGHT:
1350                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1351                 break;
1352         }
1353
1354         if (x < SWM_BAR_OFFSET)
1355                 x = SWM_BAR_OFFSET;
1356 #endif
1357
1358         rect.x = 0;
1359         rect.y = 0;
1360         rect.width = WIDTH(r->bar);
1361         rect.height = HEIGHT(r->bar);
1362
1363         /* clear back buffer */
1364         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1365         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1366         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1367             sizeof(rect), &rect);
1368
1369         /* draw back buffer */
1370         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1371         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_BACKGROUND, gcv);
1372         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1373         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1374 #if 0
1375         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1376             (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1377             lbox.y, s);
1378 #else
1379         /* workaround */
1380         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, 4, 14, s);
1381 #endif
1382
1383         /* blt */
1384         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1385             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1386 }
1387
1388 void
1389 bar_extra_stop(void)
1390 {
1391         if (bar_pipe[0]) {
1392                 close(bar_pipe[0]);
1393                 bzero(bar_pipe, sizeof bar_pipe);
1394         }
1395         if (bar_pid) {
1396                 kill(bar_pid, SIGTERM);
1397                 bar_pid = 0;
1398         }
1399         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1400         bar_extra = 0;
1401 }
1402
1403 void
1404 bar_class_name(char *s, size_t sz, struct swm_region *r)
1405 {
1406         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1407                 return;
1408         if (r->ws->focus->ch.class_name != NULL)
1409                 strlcat(s, r->ws->focus->ch.class_name, sz);
1410 }
1411
1412 void
1413 bar_title_name(char *s, size_t sz, struct swm_region *r)
1414 {
1415         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1416                 return;
1417         if (r->ws->focus->ch.instance_name != NULL)
1418                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1419 }
1420
1421 void
1422 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1423 {
1424         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1425                 return;
1426
1427         bar_class_name(s, sz, r);
1428         strlcat(s, ":", sz);
1429         bar_title_name(s, sz, r);
1430 }
1431
1432 void
1433 bar_window_float(char *s, size_t sz, struct swm_region *r)
1434 {
1435         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1436                 return;
1437         if (r->ws->focus->floating)
1438                 strlcat(s, "(f)", sz);
1439 }
1440
1441 void
1442 bar_window_name(char *s, size_t sz, struct swm_region *r)
1443 {
1444         char            *title;
1445
1446         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1447                 return;
1448         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1449                 return;
1450
1451         strlcat(s, title, sz);
1452         free(title);
1453 }
1454
1455 int             urgent[SWM_WS_MAX];
1456 void
1457 bar_urgent(char *s, size_t sz)
1458 {
1459         struct ws_win           *win;
1460         int                     i, j, num_screens;
1461         char                    b[8];
1462         xcb_get_property_cookie_t       c;
1463         xcb_icccm_wm_hints_t    hints;
1464
1465         for (i = 0; i < workspace_limit; i++)
1466                 urgent[i] = 0;
1467
1468         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1469         for (i = 0; i < num_screens; i++)
1470                 for (j = 0; j < workspace_limit; j++)
1471                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1472                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1473                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1474                                     &hints, NULL) == 0)
1475                                         continue;
1476                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1477                                         urgent[j] = 1;
1478                         }
1479
1480         for (i = 0; i < workspace_limit; i++) {
1481                 if (urgent[i])
1482                         snprintf(b, sizeof b, "%d ", i + 1);
1483                 else
1484                         snprintf(b, sizeof b, "- ");
1485                 strlcat(s, b, sz);
1486         }
1487 }
1488
1489 void
1490 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1491 {
1492         if (r == NULL || r->ws == NULL)
1493                 return;
1494         if (r->ws->name != NULL)
1495                 strlcat(s, r->ws->name, sz);
1496 }
1497
1498 /* build the default bar format according to the defined enabled options */
1499 void
1500 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1501 {
1502         /* if format provided, just copy the buffers */
1503         if (bar_format != NULL) {
1504                 strlcpy(fmtnew, fmtexp, sz);
1505                 return;
1506         }
1507
1508         /* reset the output buffer */
1509         *fmtnew = '\0';
1510
1511         strlcat(fmtnew, "+N:+I ", sz);
1512         if (stack_enabled)
1513                 strlcat(fmtnew, "+S", sz);
1514         strlcat(fmtnew, " ", sz);
1515
1516         /* only show the workspace name if there's actually one */
1517         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1518                 strlcat(fmtnew, "<+D>", sz);
1519         strlcat(fmtnew, "+3<", sz);
1520
1521         if (clock_enabled) {
1522                 strlcat(fmtnew, fmtexp, sz);
1523                 strlcat(fmtnew, "+4<", sz);
1524         }
1525
1526         /* bar_urgent already adds the space before the last asterisk */
1527         if (urgent_enabled)
1528                 strlcat(fmtnew, "* +U*+4<", sz);
1529
1530         if (title_class_enabled) {
1531                 strlcat(fmtnew, "+C", sz);
1532                 if (title_name_enabled == 0)
1533                         strlcat(fmtnew, "+4<", sz);
1534         }
1535
1536         /* checks needed by the colon and floating strlcat(3) calls below */
1537         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1538                 if (title_name_enabled) {
1539                         if (title_class_enabled)
1540                                 strlcat(fmtnew, ":", sz);
1541                         strlcat(fmtnew, "+T+4<", sz);
1542                 }
1543                 if (window_name_enabled) {
1544                         if (r->ws->focus->floating)
1545                                 strlcat(fmtnew, "+F ", sz);
1546                         strlcat(fmtnew, "+64W ", sz);
1547                 }
1548         }
1549
1550         /* finally add the action script output and the version */
1551         strlcat(fmtnew, "+4<+A+4<+V", sz);
1552 }
1553
1554 void
1555 bar_replace_pad(char *tmp, int *limit, size_t sz)
1556 {
1557         /* special case; no limit given, pad one space, instead */
1558         if (*limit == sz - 1)
1559                 *limit = 1;
1560         snprintf(tmp, sz, "%*s", *limit, " ");
1561 }
1562
1563 /* replaces the bar format character sequences (like in tmux(1)) */
1564 char *
1565 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1566     size_t sz)
1567 {
1568         char                    *ptr;
1569         char                    tmp[SWM_BAR_MAX];
1570         int                     limit, size;
1571         size_t                  len;
1572
1573         /* reset strlcat(3) buffer */
1574         *tmp = '\0';
1575
1576         /* get number, if any */
1577         fmt++;
1578         size = 0;
1579         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1580                 limit = sizeof tmp - 1;
1581         if (limit <= 0 || limit >= sizeof tmp)
1582                 limit = sizeof tmp - 1;
1583
1584         /* there is nothing to replace (ie EOL) */
1585         fmt += size;
1586         if (*fmt == '\0')
1587                 return (fmt);
1588
1589         switch (*fmt) {
1590         case '<':
1591                 bar_replace_pad(tmp, &limit, sizeof tmp);
1592                 break;
1593         case 'A':
1594                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1595                 break;
1596         case 'C':
1597                 bar_class_name(tmp, sizeof tmp, r);
1598                 break;
1599         case 'D':
1600                 bar_workspace_name(tmp, sizeof tmp, r);
1601                 break;
1602         case 'F':
1603                 bar_window_float(tmp, sizeof tmp, r);
1604                 break;
1605         case 'I':
1606                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1607                 break;
1608         case 'N':
1609                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1610                 break;
1611         case 'P':
1612                 bar_class_title_name(tmp, sizeof tmp, r);
1613                 break;
1614         case 'S':
1615                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1616                 break;
1617         case 'T':
1618                 bar_title_name(tmp, sizeof tmp, r);
1619                 break;
1620         case 'U':
1621                 bar_urgent(tmp, sizeof tmp);
1622                 break;
1623         case 'V':
1624                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1625                 break;
1626         case 'W':
1627                 bar_window_name(tmp, sizeof tmp, r);
1628                 break;
1629         default:
1630                 /* unknown character sequence; copy as-is */
1631                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1632                 break;
1633         }
1634
1635         len = strlen(tmp);
1636         ptr = tmp;
1637         if (len < limit)
1638                 limit = len;
1639         while (limit-- > 0) {
1640                 if (*offrep >= sz - 1)
1641                         break;
1642                 fmtrep[(*offrep)++] = *ptr++;
1643         }
1644
1645         fmt++;
1646         return (fmt);
1647 }
1648
1649 void
1650 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1651 {
1652         size_t                  off;
1653
1654         off = 0;
1655         while (*fmt != '\0') {
1656                 if (*fmt != '+') {
1657                         /* skip ordinary characters */
1658                         if (off >= sz - 1)
1659                                 break;
1660                         fmtrep[off++] = *fmt++;
1661                         continue;
1662                 }
1663
1664                 /* character sequence found; replace it */
1665                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1666                 if (off >= sz - 1)
1667                         break;
1668         }
1669
1670         fmtrep[off] = '\0';
1671 }
1672
1673 void
1674 bar_fmt_expand(char *fmtexp, size_t sz)
1675 {
1676         char                    *fmt = NULL;
1677         size_t                  len;
1678         struct tm               tm;
1679         time_t                  tmt;
1680
1681         /* start by grabbing the current time and date */
1682         time(&tmt);
1683         localtime_r(&tmt, &tm);
1684
1685         /* figure out what to expand */
1686         if (bar_format != NULL)
1687                 fmt = bar_format;
1688         else if (bar_format == NULL && clock_enabled)
1689                 fmt = clock_format;
1690         /* if nothing to expand bail out */
1691         if (fmt == NULL) {
1692                 *fmtexp = '\0';
1693                 return;
1694         }
1695
1696         /* copy as-is, just in case the format shouldn't be expanded below */
1697         strlcpy(fmtexp, fmt, sz);
1698         /* finally pass the string through strftime(3) */
1699 #ifndef SWM_DENY_CLOCK_FORMAT
1700         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1701                 warnx("format too long");
1702         fmtexp[len] = '\0';
1703 #endif
1704 }
1705
1706 void
1707 bar_fmt_print(void)
1708 {
1709         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1710         char                    fmtrep[SWM_BAR_MAX];
1711         int                     i, num_screens;
1712         struct swm_region       *r;
1713
1714         /* expand the format by first passing it through strftime(3) */
1715         bar_fmt_expand(fmtexp, sizeof fmtexp);
1716
1717         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1718         for (i = 0; i < num_screens; i++) {
1719                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1720                         if (r->bar == NULL)
1721                                 continue;
1722                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1723                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1724                         bar_print(r, fmtrep);
1725                 }
1726         }
1727 }
1728
1729 void
1730 bar_update(void)
1731 {
1732         size_t                  len;
1733         char                    *b;
1734
1735         if (bar_enabled == 0)
1736                 return;
1737         if (bar_extra && bar_extra_running) {
1738                 /* ignore short reads; it'll correct itself */
1739                 while ((b = fgetln(stdin, &len)) != NULL)
1740                         if (b && b[len - 1] == '\n') {
1741                                 b[len - 1] = '\0';
1742                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1743                         }
1744                 if (b == NULL && errno != EAGAIN) {
1745                         warn("bar_update: bar_extra failed");
1746                         bar_extra_stop();
1747                 }
1748         } else
1749                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1750
1751         bar_fmt_print();
1752         alarm(bar_delay);
1753 }
1754
1755 void
1756 bar_signal(int sig)
1757 {
1758         bar_alarm = 1;
1759 }
1760
1761 void
1762 bar_toggle(struct swm_region *r, union arg *args)
1763 {
1764         struct swm_region       *tmpr;
1765         int                     i, num_screens;
1766
1767         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1768
1769         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1770         if (bar_enabled) {
1771                 for (i = 0; i < num_screens; i++)
1772                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1773                                 if (tmpr->bar)
1774                                         xcb_unmap_window(conn, tmpr->bar->id);
1775         } else {
1776                 for (i = 0; i < num_screens; i++)
1777                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1778                                 if (tmpr->bar)
1779                                         map_window_raised(tmpr->bar->id);
1780         }
1781
1782         bar_enabled = !bar_enabled;
1783
1784         stack();
1785         /* must be after stack */
1786         bar_update();
1787
1788         xcb_flush(conn);
1789 }
1790
1791 void
1792 bar_refresh(void)
1793 {
1794         struct swm_region       *r;
1795         uint32_t                wa[2];
1796         int                     i, num_screens;
1797
1798         /* do this here because the conf file is in memory */
1799         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1800                 /* launch external status app */
1801                 bar_extra_running = 1;
1802                 if (pipe(bar_pipe) == -1)
1803                         err(1, "pipe error");
1804                 socket_setnonblock(bar_pipe[0]);
1805                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1806                 if (dup2(bar_pipe[0], 0) == -1)
1807                         err(1, "dup2");
1808                 if (dup2(bar_pipe[1], 1) == -1)
1809                         err(1, "dup2");
1810                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1811                         err(1, "could not disable SIGPIPE");
1812                 switch (bar_pid = fork()) {
1813                 case -1:
1814                         err(1, "cannot fork");
1815                         break;
1816                 case 0: /* child */
1817                         close(bar_pipe[0]);
1818                         execvp(bar_argv[0], bar_argv);
1819                         err(1, "%s external app failed", bar_argv[0]);
1820                         break;
1821                 default: /* parent */
1822                         close(bar_pipe[1]);
1823                         break;
1824                 }
1825         }
1826
1827         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1828         for (i = 0; i < num_screens; i++)
1829                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1830                         if (r->bar == NULL)
1831                                 continue;
1832                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1833                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1834                         xcb_change_window_attributes(conn, r->bar->id,
1835                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1836                 }
1837         bar_update();
1838 }
1839
1840 void
1841 bar_setup(struct swm_region *r)
1842 {
1843         char                    *default_string;
1844         char                    **missing_charsets;
1845         int                     num_missing_charsets = 0;
1846         int                     i;
1847         xcb_screen_t            *screen = get_screen(r->s->idx);
1848         uint32_t                wa[3];
1849
1850 #if 0
1851         if (bar_fs) {
1852                 XFreeFontSet(display, bar_fs);
1853                 bar_fs = NULL;
1854         }
1855 #endif
1856
1857         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1858                 err(1, "bar_setup: calloc: failed to allocate memory.");
1859 #if 0
1860         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1861
1862         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1863             &num_missing_charsets, &default_string);*/
1864
1865         if (num_missing_charsets > 0) {
1866                 warnx("Unable to load charset(s):");
1867
1868                 for (i = 0; i < num_missing_charsets; ++i)
1869                         warnx("%s", missing_charsets[i]);
1870
1871                 XFreeStringList(missing_charsets);
1872
1873                 if (strcmp(default_string, ""))
1874                         warnx("Glyphs from those sets will be replaced "
1875                             "by '%s'.", default_string);
1876                 else
1877                         warnx("Glyphs from those sets won't be drawn.");
1878         }
1879
1880         if (bar_fs == NULL)
1881                 errx(1, "Error creating font set structure.");
1882
1883         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1884
1885         bar_height = bar_fs_extents->max_logical_extent.height +
1886             2 * bar_border_width;
1887
1888         if (bar_height < 1)
1889                 bar_height = 1;
1890 #else
1891         /* workaround */
1892         bar_height = 24;
1893 #endif
1894         X(r->bar) = X(r);
1895         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1896         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1897         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1898
1899         r->bar->id = xcb_generate_id(conn);
1900         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
1901         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
1902         wa[2] = XCB_EVENT_MASK_EXPOSURE;
1903         DNPRINTF(SWM_D_BAR, "bar_setup: create_window: (x,y) w x h: (%d,%d) "
1904             "%d x %d\n", X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar));
1905         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1906             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1907             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1908             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
1909             | XCB_CW_EVENT_MASK, wa);
1910
1911         r->bar->buffer = xcb_generate_id(conn);
1912         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1913             WIDTH(r->bar), HEIGHT(r->bar));
1914
1915         xcb_randr_select_input(conn, r->bar->id,
1916             XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1917
1918         if (bar_enabled)
1919                 map_window_raised(r->bar->id);
1920
1921         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1922             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1923             HEIGHT(r->bar));
1924
1925         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1926                 err(1, "could not install bar_signal");
1927         bar_refresh();
1928 }
1929
1930 void
1931 bar_cleanup(struct swm_region *r)
1932 {
1933         if (r->bar == NULL)
1934                 return;
1935         xcb_destroy_window(conn, r->bar->id);
1936         xcb_free_pixmap(conn, r->bar->buffer);
1937         free(r->bar);
1938         r->bar = NULL;
1939 }
1940
1941 void
1942 set_win_state(struct ws_win *win, uint16_t state)
1943 {
1944         uint16_t                data[2] = { state, XCB_ATOM_NONE };
1945
1946         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
1947
1948         if (win == NULL)
1949                 return;
1950
1951         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
1952             a_state, 32, 2, data);
1953 }
1954
1955 uint16_t
1956 getstate(xcb_window_t w)
1957 {
1958         uint16_t                        result = 0;
1959         xcb_get_property_cookie_t       c;
1960         xcb_get_property_reply_t        *r;
1961
1962         c = xcb_get_property(conn, False, w, a_state, a_state, 0L, 2L);
1963         r = xcb_get_property_reply(conn, c, NULL);
1964
1965         if (r) {
1966                 result = *((uint16_t *)xcb_get_property_value(r));
1967                 free(r);
1968         }
1969
1970         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
1971             result);
1972         return (result);
1973 }
1974
1975 void
1976 version(struct swm_region *r, union arg *args)
1977 {
1978         bar_version = !bar_version;
1979         if (bar_version)
1980                 snprintf(bar_vertext, sizeof bar_vertext,
1981                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1982         else
1983                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1984         bar_update();
1985
1986         xcb_flush(conn);
1987 }
1988
1989 void
1990 client_msg(struct ws_win *win, xcb_atom_t a)
1991 {
1992         xcb_client_message_event_t      ev;
1993
1994         if (win == NULL)
1995                 return;
1996
1997         bzero(&ev, sizeof ev);
1998         ev.response_type = XCB_CLIENT_MESSAGE;
1999         ev.window = win->id;
2000         ev.type = a_prot;
2001         ev.format = 32;
2002         ev.data.data32[0] = a;
2003         ev.data.data32[1] = XCB_CURRENT_TIME;
2004
2005         xcb_send_event(conn, False, win->id,
2006             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2007 }
2008
2009 /* synthetic response to a ConfigureRequest when not making a change */
2010 void
2011 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2012 {
2013         xcb_configure_notify_event_t ce;
2014
2015         if (win == NULL)
2016                 return;
2017
2018         /* send notification of unchanged state. */
2019         bzero(&ce, sizeof(ce));
2020         ce.response_type = XCB_CONFIGURE_NOTIFY;
2021         ce.x = X(win);
2022         ce.y = Y(win);
2023         ce.width = WIDTH(win);
2024         ce.height = HEIGHT(win);
2025         ce.override_redirect = False;
2026
2027         if (ev == NULL) {
2028                 /* EWMH */
2029                 ce.event = win->id;
2030                 ce.window = win->id;
2031                 ce.border_width = BORDER(win);
2032                 ce.above_sibling = XCB_WINDOW_NONE;
2033         } else {
2034                 /* normal */
2035                 ce.event = ev->window;
2036                 ce.window = ev->window;
2037
2038                 /* make response appear more WM_SIZE_HINTS-compliant */
2039                 if (win->sh.flags)
2040                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2041                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2042                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2043                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2044                             SH_INC_W(win), SH_INC_H(win));
2045
2046                 /* min size */
2047                 if (SH_MIN(win)) {
2048                         /* the hint may be set... to 0! */
2049                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2050                                 ce.width = SH_MIN_W(win);
2051                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2052                                 ce.height = SH_MIN_H(win);
2053                 }
2054
2055                 /* max size */
2056                 if (SH_MAX(win)) {
2057                         /* may also be advertized as 0 */
2058                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2059                                 ce.width = SH_MAX_W(win);
2060                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2061                                 ce.height = SH_MAX_H(win);
2062                 }
2063
2064                 /* resize increment. */
2065                 if (SH_INC(win)) {
2066                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2067                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2068                                     SH_INC_W(win);
2069                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2070                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2071                                     SH_INC_H(win);
2072                 }
2073
2074                 /* adjust x and y for requested border_width. */
2075                 ce.x += BORDER(win) - ev->border_width;
2076                 ce.y += BORDER(win) - ev->border_width;
2077                 ce.border_width = ev->border_width;
2078                 ce.above_sibling = ev->sibling;
2079         }
2080
2081         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2082             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2083             ce.y, ce.width, ce.height, ce.border_width);
2084
2085         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2086                 (char *)&ce);
2087 }
2088
2089 int
2090 count_win(struct workspace *ws, int count_transient)
2091 {
2092         struct ws_win           *win;
2093         int                     count = 0;
2094
2095         TAILQ_FOREACH(win, &ws->winlist, entry) {
2096                 if (count_transient == 0 && win->floating)
2097                         continue;
2098                 if (count_transient == 0 && win->transient)
2099                         continue;
2100                 if (win->iconic)
2101                         continue;
2102                 count++;
2103         }
2104         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2105
2106         return (count);
2107 }
2108
2109 void
2110 quit(struct swm_region *r, union arg *args)
2111 {
2112         DNPRINTF(SWM_D_MISC, "quit\n");
2113         running = 0;
2114 }
2115
2116 void
2117 unmap_window(struct ws_win *win)
2118 {
2119         if (win == NULL)
2120                 return;
2121
2122         /* don't unmap again */
2123         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2124                 return;
2125
2126         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2127
2128         xcb_unmap_window(conn, win->id);
2129         xcb_change_window_attributes(conn, win->id,
2130             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2131 }
2132
2133 void
2134 unmap_all(void)
2135 {
2136         struct ws_win           *win;
2137         int                     i, j, num_screens;
2138
2139         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2140         for (i = 0; i < num_screens; i++)
2141                 for (j = 0; j < workspace_limit; j++)
2142                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2143                                 unmap_window(win);
2144 }
2145
2146 void
2147 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2148 {
2149         xcb_key_press_event_t   event;
2150         xcb_keycode_t           *keycode;
2151
2152         if (win == NULL)
2153                 return;
2154
2155         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2156
2157         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2158             win->id, *keycode);
2159
2160         bzero(&event, sizeof(event));
2161         event.event = win->id;
2162         event.root = win->s->root;
2163         event.child = XCB_WINDOW_NONE;
2164         event.time = XCB_CURRENT_TIME;
2165         event.event_x = X(win);
2166         event.event_y = Y(win);
2167         event.root_x = 1;
2168         event.root_y = 1;
2169         event.same_screen = True;
2170         event.detail = *keycode;
2171         event.state = modifiers;
2172
2173         event.response_type = XCB_KEY_PRESS;
2174         xcb_send_event(conn, True, win->id,
2175             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2176
2177         event.response_type = XCB_KEY_RELEASE;
2178         xcb_send_event(conn, True, win->id,
2179             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2180 }
2181
2182 void
2183 restart(struct swm_region *r, union arg *args)
2184 {
2185         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2186
2187         /* disable alarm because the following code may not be interrupted */
2188         alarm(0);
2189         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2190                 err(1, "can't disable alarm");
2191
2192         bar_extra_stop();
2193         bar_extra = 1;
2194         unmap_all();
2195
2196         xcb_key_symbols_free(syms);
2197         xcb_flush(conn);
2198         xcb_disconnect(conn);
2199
2200         execvp(start_argv[0], start_argv);
2201         warn("execvp failed");
2202         quit(NULL, NULL);
2203 }
2204
2205 struct swm_region *
2206 root_to_region(xcb_window_t root)
2207 {
2208         struct swm_region               *r = NULL;
2209         int                             i, num_screens;
2210         xcb_query_pointer_reply_t       *qpr;
2211
2212         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2213
2214         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2215         for (i = 0; i < num_screens; i++)
2216                 if (screens[i].root == root)
2217                         break;
2218
2219         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2220             screens[i].root), NULL);
2221
2222         if (qpr) {
2223                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2224                     qpr->root_x, qpr->root_y);
2225                 /* choose a region based on pointer location */
2226                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2227                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2228                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2229                                 break;
2230                 free(qpr);
2231         }
2232
2233         if (r == NULL)
2234                 r = TAILQ_FIRST(&screens[i].rl);
2235
2236         return (r);
2237 }
2238
2239 struct ws_win *
2240 find_unmanaged_window(xcb_window_t id)
2241 {
2242         struct ws_win           *win;
2243         int                     i, j, num_screens;
2244
2245         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2246         for (i = 0; i < num_screens; i++)
2247                 for (j = 0; j < workspace_limit; j++)
2248                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2249                             entry)
2250                                 if (id == win->id)
2251                                         return (win);
2252         return (NULL);
2253 }
2254
2255 struct ws_win *
2256 find_window(xcb_window_t id)
2257 {
2258         struct ws_win           *win;
2259         int                     i, j, num_screens;
2260         xcb_query_tree_reply_t  *r;
2261
2262         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2263         for (i = 0; i < num_screens; i++)
2264                 for (j = 0; j < workspace_limit; j++)
2265                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2266                                 if (id == win->id)
2267                                         return (win);
2268
2269         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2270         if (!r)
2271                 return (NULL);
2272
2273         /* if we were looking for the parent return that window instead */
2274         if (r->parent == 0 || r->root == r->parent)
2275                 return (NULL);
2276
2277         /* look for parent */
2278         for (i = 0; i < num_screens; i++)
2279                 for (j = 0; j < workspace_limit; j++)
2280                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2281                                 if (r->parent == win->id) {
2282                                         free(r);
2283                                         return (win);
2284                                 }
2285
2286         free(r);
2287         return (NULL);
2288 }
2289
2290 void
2291 spawn(int ws_idx, union arg *args, int close_fd)
2292 {
2293         int                     fd;
2294         char                    *ret = NULL;
2295
2296         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2297
2298         if (display)
2299                 close(xcb_get_file_descriptor(conn));
2300
2301         setenv("LD_PRELOAD", SWM_LIB, 1);
2302
2303         if (asprintf(&ret, "%d", ws_idx) == -1) {
2304                 warn("spawn: asprintf SWM_WS");
2305                 _exit(1);
2306         }
2307         setenv("_SWM_WS", ret, 1);
2308         free(ret);
2309         ret = NULL;
2310
2311         if (asprintf(&ret, "%d", getpid()) == -1) {
2312                 warn("spawn: asprintf _SWM_PID");
2313                 _exit(1);
2314         }
2315         setenv("_SWM_PID", ret, 1);
2316         free(ret);
2317         ret = NULL;
2318
2319         if (setsid() == -1) {
2320                 warn("spawn: setsid");
2321                 _exit(1);
2322         }
2323
2324         if (close_fd) {
2325                 /*
2326                  * close stdin and stdout to prevent interaction between apps
2327                  * and the baraction script
2328                  * leave stderr open to record errors
2329                 */
2330                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2331                         warn("spawn: open");
2332                         _exit(1);
2333                 }
2334                 dup2(fd, STDIN_FILENO);
2335                 dup2(fd, STDOUT_FILENO);
2336                 if (fd > 2)
2337                         close(fd);
2338         }
2339
2340         execvp(args->argv[0], args->argv);
2341
2342         warn("spawn: execvp");
2343         _exit(1);
2344 }
2345
2346 void
2347 kill_refs(struct ws_win *win)
2348 {
2349         int                     i, x, num_screens;
2350         struct swm_region       *r;
2351         struct workspace        *ws;
2352
2353         if (win == NULL)
2354                 return;
2355
2356         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2357         for (i = 0; i < num_screens; i++)
2358                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2359                         for (x = 0; x < workspace_limit; x++) {
2360                                 ws = &r->s->ws[x];
2361                                 if (win == ws->focus)
2362                                         ws->focus = NULL;
2363                                 if (win == ws->focus_prev)
2364                                         ws->focus_prev = NULL;
2365                         }
2366 }
2367
2368 int
2369 validate_win(struct ws_win *testwin)
2370 {
2371         struct ws_win           *win;
2372         struct workspace        *ws;
2373         struct swm_region       *r;
2374         int                     i, x, num_screens;
2375
2376         if (testwin == NULL)
2377                 return (0);
2378
2379         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2380         for (i = 0; i < num_screens; i++)
2381                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2382                         for (x = 0; x < workspace_limit; x++) {
2383                                 ws = &r->s->ws[x];
2384                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2385                                         if (win == testwin)
2386                                                 return (0);
2387                         }
2388         return (1);
2389 }
2390
2391 int
2392 validate_ws(struct workspace *testws)
2393 {
2394         struct swm_region       *r;
2395         struct workspace        *ws;
2396         int                     i, x, num_screens;
2397
2398         /* validate all ws */
2399         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2400         for (i = 0; i < num_screens; i++)
2401                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2402                         for (x = 0; x < workspace_limit; x++) {
2403                                 ws = &r->s->ws[x];
2404                                 if (ws == testws)
2405                                         return (0);
2406                         }
2407         return (1);
2408 }
2409
2410 void
2411 unfocus_win(struct ws_win *win)
2412 {
2413         xcb_window_t            none = XCB_WINDOW_NONE;
2414
2415         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2416
2417         if (win == NULL)
2418                 return;
2419         if (win->ws == NULL)
2420                 return;
2421
2422         if (validate_ws(win->ws))
2423                 return; /* XXX this gets hit with thunderbird, needs fixing */
2424
2425         if (win->ws->r == NULL)
2426                 return;
2427
2428         if (validate_win(win)) {
2429                 kill_refs(win);
2430                 return;
2431         }
2432
2433         if (win->ws->focus == win) {
2434                 win->ws->focus = NULL;
2435                 win->ws->focus_prev = win;
2436         }
2437
2438         if (validate_win(win->ws->focus)) {
2439                 kill_refs(win->ws->focus);
2440                 win->ws->focus = NULL;
2441         }
2442         if (validate_win(win->ws->focus_prev)) {
2443                 kill_refs(win->ws->focus_prev);
2444                 win->ws->focus_prev = NULL;
2445         }
2446
2447         grabbuttons(win, 0);
2448         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2449             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2450         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2451             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2452 }
2453
2454 void
2455 unfocus_all(void)
2456 {
2457         struct ws_win           *win;
2458         int                     i, j, num_screens;
2459
2460         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2461
2462         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2463         for (i = 0; i < num_screens; i++)
2464                 for (j = 0; j < workspace_limit; j++)
2465                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2466                                 unfocus_win(win);
2467 }
2468
2469 void
2470 focus_win(struct ws_win *win)
2471 {
2472         struct ws_win           *cfw = NULL;
2473         xcb_get_input_focus_reply_t     *r;
2474         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2475
2476         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2477
2478         if (win == NULL)
2479                 return;
2480         if (win->ws == NULL)
2481                 return;
2482
2483         if (validate_ws(win->ws))
2484                 return; /* XXX this gets hit with thunderbird, needs fixing */
2485
2486         if (validate_win(win)) {
2487                 kill_refs(win);
2488                 return;
2489         }
2490
2491         if (validate_win(win)) {
2492                 kill_refs(win);
2493                 return;
2494         }
2495
2496         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2497         if (r) {
2498                 cur_focus = r->focus;
2499                 free(r);
2500         }
2501         if ((cfw = find_window(cur_focus)) != NULL)
2502                 unfocus_win(cfw);
2503         else {
2504                 /* use larger hammer since the window was killed somehow */
2505                 /* TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2506                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2507                                 xcb_change_window_attributes(conn, cfw->id,
2508                                     XCB_CW_BORDER_PIXEL,
2509                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);*/
2510         }
2511
2512         win->ws->focus = win;
2513
2514         if (win->ws->r != NULL) {
2515                 if (win->java == 0)
2516                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2517                             win->id, XCB_CURRENT_TIME);
2518                 grabbuttons(win, 1);
2519                 xcb_change_window_attributes(conn, win->id,
2520                         XCB_CW_BORDER_PIXEL,
2521                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2522                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2523                     win->ws->always_raise)
2524                         map_window_raised(win->id);
2525
2526                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2527                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2528                     &win->id);
2529         }
2530
2531         bar_update();
2532 }
2533
2534 void
2535 event_drain(uint8_t rt)
2536 {
2537         xcb_generic_event_t     *evt;
2538
2539         xcb_flush(conn);
2540         while ((evt = xcb_poll_for_event(conn))) {
2541                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2542                         event_handle(evt);
2543
2544                 free(evt);
2545         }
2546 }
2547
2548 void
2549 switchws(struct swm_region *r, union arg *args)
2550 {
2551         int                     wsid = args->id, unmap_old = 0;
2552         struct swm_region       *this_r, *other_r;
2553         struct ws_win           *win;
2554         struct workspace        *new_ws, *old_ws;
2555         union arg               a;
2556
2557         if (!(r && r->s))
2558                 return;
2559
2560         if (wsid >= workspace_limit)
2561                 return;
2562
2563         this_r = r;
2564         old_ws = this_r->ws;
2565         new_ws = &this_r->s->ws[wsid];
2566
2567         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2568             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2569
2570         if (new_ws == NULL || old_ws == NULL)
2571                 return;
2572         if (new_ws == old_ws)
2573                 return;
2574
2575         other_r = new_ws->r;
2576         if (other_r == NULL) {
2577                 /* the other workspace is hidden, hide this one */
2578                 old_ws->r = NULL;
2579                 unmap_old = 1;
2580         } else {
2581                 /* the other ws is visible in another region, exchange them */
2582                 other_r->ws_prior = new_ws;
2583                 other_r->ws = old_ws;
2584                 old_ws->r = other_r;
2585         }
2586         this_r->ws_prior = old_ws;
2587         this_r->ws = new_ws;
2588         new_ws->r = this_r;
2589
2590         /* this is needed so that we can click on a window after a restart */
2591         unfocus_all();
2592
2593         stack();
2594         a.id = SWM_ARG_ID_FOCUSCUR;
2595         focus(new_ws->r, &a);
2596
2597         /* unmap old windows */
2598         if (unmap_old)
2599                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2600                         unmap_window(win);
2601
2602         if (focus_mode == SWM_FOCUS_DEFAULT)
2603                 event_drain(XCB_ENTER_NOTIFY);
2604         else
2605                 xcb_flush(conn);
2606 }
2607
2608 void
2609 cyclews(struct swm_region *r, union arg *args)
2610 {
2611         union                   arg a;
2612         struct swm_screen       *s = r->s;
2613         int                     cycle_all = 0;
2614
2615         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2616             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2617
2618         a.id = r->ws->idx;
2619         do {
2620                 switch (args->id) {
2621                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2622                         cycle_all = 1;
2623                         /* FALLTHROUGH */
2624                 case SWM_ARG_ID_CYCLEWS_UP:
2625                         if (a.id < workspace_limit - 1)
2626                                 a.id++;
2627                         else
2628                                 a.id = 0;
2629                         break;
2630                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2631                         cycle_all = 1;
2632                         /* FALLTHROUGH */
2633                 case SWM_ARG_ID_CYCLEWS_DOWN:
2634                         if (a.id > 0)
2635                                 a.id--;
2636                         else
2637                                 a.id = workspace_limit - 1;
2638                         break;
2639                 default:
2640                         return;
2641                 };
2642
2643                 if (!cycle_all &&
2644                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2645                         continue;
2646                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2647                         continue;
2648
2649                 switchws(r, &a);
2650         } while (a.id != r->ws->idx);
2651 }
2652
2653 void
2654 priorws(struct swm_region *r, union arg *args)
2655 {
2656         union arg               a;
2657
2658         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2659             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2660
2661         if (r->ws_prior == NULL)
2662                 return;
2663
2664         a.id = r->ws_prior->idx;
2665         switchws(r, &a);
2666 }
2667
2668 void
2669 cyclescr(struct swm_region *r, union arg *args)
2670 {
2671         struct swm_region       *rr = NULL;
2672         union arg               a;
2673         int                     i, x, y, num_screens;
2674
2675         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2676         /* do nothing if we don't have more than one screen */
2677         if (!(num_screens > 1 || outputs > 1))
2678                 return;
2679
2680         i = r->s->idx;
2681         switch (args->id) {
2682         case SWM_ARG_ID_CYCLESC_UP:
2683                 rr = TAILQ_NEXT(r, entry);
2684                 if (rr == NULL)
2685                         rr = TAILQ_FIRST(&screens[i].rl);
2686                 break;
2687         case SWM_ARG_ID_CYCLESC_DOWN:
2688                 rr = TAILQ_PREV(r, swm_region_list, entry);
2689                 if (rr == NULL)
2690                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2691                 break;
2692         default:
2693                 return;
2694         };
2695         if (rr == NULL)
2696                 return;
2697
2698         /* move mouse to region */
2699         x = X(rr) + 1;
2700         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2701         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2702             x, y);
2703
2704         a.id = SWM_ARG_ID_FOCUSCUR;
2705         focus(rr, &a);
2706
2707         if (rr->ws->focus) {
2708                 /* move to focus window */
2709                 x = X(rr->ws->focus) + 1;
2710                 y = Y(rr->ws->focus) + 1;
2711                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2712                     0, x, y);
2713         }
2714 }
2715
2716 void
2717 sort_windows(struct ws_win_list *wl)
2718 {
2719         struct ws_win           *win, *parent, *nxt;
2720
2721         if (wl == NULL)
2722                 return;
2723
2724         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2725                 nxt = TAILQ_NEXT(win, entry);
2726                 if (win->transient) {
2727                         parent = find_window(win->transient);
2728                         if (parent == NULL) {
2729                                 warnx("not possible bug");
2730                                 continue;
2731                         }
2732                         TAILQ_REMOVE(wl, win, entry);
2733                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2734                 }
2735         }
2736
2737 }
2738
2739 void
2740 swapwin(struct swm_region *r, union arg *args)
2741 {
2742         struct ws_win           *target, *source;
2743         struct ws_win           *cur_focus;
2744         struct ws_win_list      *wl;
2745
2746
2747         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2748             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2749
2750         cur_focus = r->ws->focus;
2751         if (cur_focus == NULL)
2752                 return;
2753
2754         source = cur_focus;
2755         wl = &source->ws->winlist;
2756
2757         switch (args->id) {
2758         case SWM_ARG_ID_SWAPPREV:
2759                 if (source->transient)
2760                         source = find_window(source->transient);
2761                 target = TAILQ_PREV(source, ws_win_list, entry);
2762                 if (target && target->transient)
2763                         target = find_window(target->transient);
2764                 TAILQ_REMOVE(wl, source, entry);
2765                 if (target == NULL)
2766                         TAILQ_INSERT_TAIL(wl, source, entry);
2767                 else
2768                         TAILQ_INSERT_BEFORE(target, source, entry);
2769                 break;
2770         case SWM_ARG_ID_SWAPNEXT:
2771                 target = TAILQ_NEXT(source, entry);
2772                 /* move the parent and let the sort handle the move */
2773                 if (source->transient)
2774                         source = find_window(source->transient);
2775                 TAILQ_REMOVE(wl, source, entry);
2776                 if (target == NULL)
2777                         TAILQ_INSERT_HEAD(wl, source, entry);
2778                 else
2779                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2780                 break;
2781         case SWM_ARG_ID_SWAPMAIN:
2782                 target = TAILQ_FIRST(wl);
2783                 if (target == source) {
2784                         if (source->ws->focus_prev != NULL &&
2785                             source->ws->focus_prev != target)
2786                                 source = source->ws->focus_prev;
2787                         else
2788                                 return;
2789                 }
2790                 if (target == NULL || source == NULL)
2791                         return;
2792                 source->ws->focus_prev = target;
2793                 TAILQ_REMOVE(wl, target, entry);
2794                 TAILQ_INSERT_BEFORE(source, target, entry);
2795                 TAILQ_REMOVE(wl, source, entry);
2796                 TAILQ_INSERT_HEAD(wl, source, entry);
2797                 break;
2798         case SWM_ARG_ID_MOVELAST:
2799                 TAILQ_REMOVE(wl, source, entry);
2800                 TAILQ_INSERT_TAIL(wl, source, entry);
2801                 break;
2802         default:
2803                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2804                 return;
2805         }
2806
2807         sort_windows(wl);
2808
2809         stack();
2810
2811         xcb_flush(conn);
2812 }
2813
2814 void
2815 focus_prev(struct ws_win *win)
2816 {
2817         struct ws_win           *winfocus = NULL;
2818         struct ws_win           *cur_focus = NULL;
2819         struct ws_win_list      *wl = NULL;
2820         struct workspace        *ws = NULL;
2821
2822         if (!(win && win->ws))
2823                 return;
2824
2825         ws = win->ws;
2826         wl = &ws->winlist;
2827         cur_focus = ws->focus;
2828
2829         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2830             WINID(win), WINID(cur_focus));
2831
2832         /* pickle, just focus on whatever */
2833         if (cur_focus == NULL) {
2834                 /* use prev_focus if valid */
2835                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2836                     find_window(WINID(ws->focus_prev)))
2837                         winfocus = ws->focus_prev;
2838                 goto done;
2839         }
2840
2841         /* if transient focus on parent */
2842         if (cur_focus->transient) {
2843                 winfocus = find_window(cur_focus->transient);
2844                 goto done;
2845         }
2846
2847         /* if in max_stack try harder */
2848         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2849             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2850                 if (cur_focus != ws->focus_prev)
2851                         winfocus = ws->focus_prev;
2852                 else
2853                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2854                 if (winfocus)
2855                         goto done;
2856         }
2857
2858         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2859
2860         if (winfocus == NULL || winfocus == win) {
2861                 switch (focus_close) {
2862                 case SWM_STACK_BOTTOM:
2863                         winfocus = TAILQ_FIRST(wl);
2864                         break;
2865                 case SWM_STACK_TOP:
2866                         winfocus = TAILQ_LAST(wl, ws_win_list);
2867                         break;
2868                 case SWM_STACK_ABOVE:
2869                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2870                                 if (focus_close_wrap)
2871                                         winfocus = TAILQ_FIRST(wl);
2872                                 else
2873                                         winfocus = TAILQ_PREV(cur_focus,
2874                                             ws_win_list, entry);
2875                         }
2876                         break;
2877                 case SWM_STACK_BELOW:
2878                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2879                             entry)) == NULL) {
2880                                 if (focus_close_wrap)
2881                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2882                                 else
2883                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2884                         }
2885                         break;
2886                 }
2887         }
2888 done:
2889         if (winfocus == NULL) {
2890                 if (focus_default == SWM_STACK_TOP)
2891                         winfocus = TAILQ_LAST(wl, ws_win_list);
2892                 else
2893                         winfocus = TAILQ_FIRST(wl);
2894         }
2895
2896         kill_refs(win);
2897         focus_magic(winfocus);
2898 }
2899
2900 void
2901 focus(struct swm_region *r, union arg *args)
2902 {
2903         struct ws_win           *winfocus = NULL, *head;
2904         struct ws_win           *cur_focus = NULL;
2905         struct ws_win_list      *wl = NULL;
2906         struct workspace        *ws = NULL;
2907         int                     all_iconics;
2908
2909         if (!(r && r->ws))
2910                 return;
2911
2912         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2913
2914         /* treat FOCUS_CUR special */
2915         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2916                 if (r->ws->focus && r->ws->focus->iconic == 0)
2917                         winfocus = r->ws->focus;
2918                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2919                         winfocus = r->ws->focus_prev;
2920                 else
2921                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2922                                 if (winfocus->iconic == 0)
2923                                         break;
2924
2925                 focus_magic(winfocus);
2926                 return;
2927         }
2928
2929         if ((cur_focus = r->ws->focus) == NULL)
2930                 return;
2931         ws = r->ws;
2932         wl = &ws->winlist;
2933         if (TAILQ_EMPTY(wl))
2934                 return;
2935         /* make sure there is at least one uniconified window */
2936         all_iconics = 1;
2937         TAILQ_FOREACH(winfocus, wl, entry)
2938                 if (winfocus->iconic == 0) {
2939                         all_iconics = 0;
2940                         break;
2941                 }
2942         if (all_iconics)
2943                 return;
2944
2945         switch (args->id) {
2946         case SWM_ARG_ID_FOCUSPREV:
2947                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2948                 if (head == NULL)
2949                         head = TAILQ_LAST(wl, ws_win_list);
2950                 winfocus = head;
2951                 if (WINID(winfocus) == cur_focus->transient) {
2952                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2953                         if (head == NULL)
2954                                 head = TAILQ_LAST(wl, ws_win_list);
2955                         winfocus = head;
2956                 }
2957
2958                 /* skip iconics */
2959                 if (winfocus && winfocus->iconic) {
2960                         while (winfocus != cur_focus) {
2961                                 if (winfocus == NULL)
2962                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2963                                 if (winfocus->iconic == 0)
2964                                         break;
2965                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2966                                     entry);
2967                         }
2968                 }
2969                 break;
2970
2971         case SWM_ARG_ID_FOCUSNEXT:
2972                 head = TAILQ_NEXT(cur_focus, entry);
2973                 if (head == NULL)
2974                         head = TAILQ_FIRST(wl);
2975                 winfocus = head;
2976
2977                 /* skip iconics */
2978                 if (winfocus && winfocus->iconic) {
2979                         while (winfocus != cur_focus) {
2980                                 if (winfocus == NULL)
2981                                         winfocus = TAILQ_FIRST(wl);
2982                                 if (winfocus->iconic == 0)
2983                                         break;
2984                                 winfocus = TAILQ_NEXT(winfocus, entry);
2985                         }
2986                 }
2987                 break;
2988
2989         case SWM_ARG_ID_FOCUSMAIN:
2990                 winfocus = TAILQ_FIRST(wl);
2991                 if (winfocus == cur_focus)
2992                         winfocus = cur_focus->ws->focus_prev;
2993                 break;
2994
2995         default:
2996                 return;
2997         }
2998
2999         focus_magic(winfocus);
3000
3001         xcb_flush(conn);
3002 }
3003
3004 void
3005 cycle_layout(struct swm_region *r, union arg *args)
3006 {
3007         struct workspace        *ws = r->ws;
3008         union arg               a;
3009
3010         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3011
3012         ws->cur_layout++;
3013         if (ws->cur_layout->l_stack == NULL)
3014                 ws->cur_layout = &layouts[0];
3015
3016         stack();
3017         bar_update();
3018
3019         if (focus_mode == SWM_FOCUS_DEFAULT)
3020                 event_drain(XCB_ENTER_NOTIFY);
3021
3022         a.id = SWM_ARG_ID_FOCUSCUR;
3023         focus(r, &a);
3024 }
3025
3026 void
3027 stack_config(struct swm_region *r, union arg *args)
3028 {
3029         struct workspace        *ws = r->ws;
3030
3031         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3032             args->id, ws->idx);
3033
3034         if (ws->cur_layout->l_config != NULL)
3035                 ws->cur_layout->l_config(ws, args->id);
3036
3037         if (args->id != SWM_ARG_ID_STACKINIT)
3038                 stack();
3039         bar_update();
3040 }
3041
3042 void
3043 stack(void) {
3044         struct swm_geometry     g;
3045         struct swm_region       *r;
3046         int                     i, num_screens;
3047 #ifdef SWM_DEBUG
3048         int j;
3049 #endif
3050
3051         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3052
3053         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3054         for (i = 0; i < num_screens; i++) {
3055 #ifdef SWM_DEBUG
3056                 j = 0;
3057 #endif
3058                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3059                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3060                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3061
3062                         /* start with screen geometry, adjust for bar */
3063                         g = r->g;
3064                         g.w -= 2 * border_width;
3065                         g.h -= 2 * border_width;
3066                         if (bar_enabled) {
3067                                 if (!bar_at_bottom)
3068                                         g.y += bar_height;
3069                                 g.h -= bar_height;
3070                         }
3071                         r->ws->cur_layout->l_stack(r->ws, &g);
3072                         r->ws->cur_layout->l_string(r->ws);
3073                         /* save r so we can track region changes */
3074                         r->ws->old_r = r;
3075                 }
3076         }
3077         if (font_adjusted)
3078                 font_adjusted--;
3079
3080         if (focus_mode == SWM_FOCUS_DEFAULT)
3081                 event_drain(XCB_ENTER_NOTIFY);
3082
3083         DNPRINTF(SWM_D_STACK, "stack: end\n");
3084 }
3085
3086 void
3087 store_float_geom(struct ws_win *win, struct swm_region *r)
3088 {
3089         /* retain window geom and region geom */
3090         win->g_float = win->g;
3091         win->g_float.x -= X(r);
3092         win->g_float.y -= Y(r);
3093         win->g_floatvalid = 1;
3094         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3095             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3096             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3097             win->g_float.w, win->g_float.h);
3098 }
3099
3100 void
3101 stack_floater(struct ws_win *win, struct swm_region *r)
3102 {
3103         if (win == NULL)
3104                 return;
3105
3106         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3107
3108         /*
3109          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3110          * geom on ws switches or return from max mode
3111          */
3112         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3113             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3114                 /* refloat at last floating relative position */
3115                 win->g = win->g_float;
3116                 X(win) += X(r);
3117                 Y(win) += Y(r);
3118         }
3119
3120         win->floatmaxed = 0;
3121
3122         /*
3123          * if set to fullscreen mode, configure window to maximum size.
3124          */
3125         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3126                 if (!win->g_floatvalid)
3127                         store_float_geom(win, win->ws->r);
3128
3129                 win->g = win->ws->r->g;
3130         }
3131
3132         /*
3133          * remove border on fullscreen floater when in fullscreen mode or when
3134          * the quirk is present.
3135          */
3136         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3137             ((win->quirks & SWM_Q_FULLSCREEN) &&
3138              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3139                 if (win->bordered) {
3140                         win->bordered = 0;
3141                         X(win) += border_width;
3142                         Y(win) += border_width;
3143                 }
3144         } else if (!win->bordered) {
3145                 win->bordered = 1;
3146                 X(win) -= border_width;
3147                 Y(win) -= border_width;
3148         }
3149
3150         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3151                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3152                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3153         }
3154
3155         if (!win->manual) {
3156                 /*
3157                  * floaters and transients are auto-centred unless moved
3158                  * or resized
3159                  */
3160                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3161                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3162         }
3163
3164         /* keep window within region bounds */
3165         constrain_window(win, r, 0);
3166
3167         update_window(win);
3168 }
3169
3170 /*
3171  * Send keystrokes to terminal to decrease/increase the font size as the
3172  * window size changes.
3173  */
3174 void
3175 adjust_font(struct ws_win *win)
3176 {
3177         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3178             win->floating || win->transient)
3179                 return;
3180
3181         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3182             WIDTH(win) / win->sh.width_inc < term_width &&
3183             win->font_steps < SWM_MAX_FONT_STEPS) {
3184                 win->font_size_boundary[win->font_steps] =
3185                     (win->sh.width_inc * term_width) + win->sh.base_width;
3186                 win->font_steps++;
3187                 font_adjusted++;
3188                 win->last_inc = win->sh.width_inc;
3189                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3190         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3191             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3192                 win->font_steps--;
3193                 font_adjusted++;
3194                 win->last_inc = win->sh.width_inc;
3195                 fake_keypress(win, XK_KP_Add, ShiftMask);
3196         }
3197 }
3198
3199 #define SWAPXY(g)       do {                            \
3200         int tmp;                                        \
3201         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3202         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3203 } while (0)
3204 void
3205 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3206 {
3207         struct swm_geometry     win_g, r_g = *g;
3208         struct ws_win           *win, *fs_win = NULL;
3209         int                     i, j, s, stacks;
3210         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3211         int                     hrh, extra = 0, h_slice, last_h = 0;
3212         int                     split, colno, winno, mwin, msize, mscale;
3213         int                     remain, missing, v_slice, reconfigure;
3214         int                     bordered = 1;
3215         xcb_get_window_attributes_reply_t *war;
3216
3217         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3218             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3219
3220         winno = count_win(ws, 0);
3221         if (winno == 0 && count_win(ws, 1) == 0)
3222                 return;
3223
3224         TAILQ_FOREACH(win, &ws->winlist, entry)
3225                 if (win->transient == 0 && win->floating == 0
3226                     && win->iconic == 0)
3227                         break;
3228
3229         if (win == NULL)
3230                 goto notiles;
3231
3232         if (rot) {
3233                 w_inc = win->sh.width_inc;
3234                 w_base = win->sh.base_width;
3235                 mwin = ws->l_state.horizontal_mwin;
3236                 mscale = ws->l_state.horizontal_msize;
3237                 stacks = ws->l_state.horizontal_stacks;
3238                 SWAPXY(&r_g);
3239         } else {
3240                 w_inc = win->sh.height_inc;
3241                 w_base = win->sh.base_height;
3242                 mwin = ws->l_state.vertical_mwin;
3243                 mscale = ws->l_state.vertical_msize;
3244                 stacks = ws->l_state.vertical_stacks;
3245         }
3246         win_g = r_g;
3247
3248         if (stacks > winno - mwin)
3249                 stacks = winno - mwin;
3250         if (stacks < 1)
3251                 stacks = 1;
3252
3253         h_slice = r_g.h / SWM_H_SLICE;
3254         if (mwin && winno > mwin) {
3255                 v_slice = r_g.w / SWM_V_SLICE;
3256
3257                 split = mwin;
3258                 colno = split;
3259                 win_g.w = v_slice * mscale;
3260
3261                 if (w_inc > 1 && w_inc < v_slice) {
3262                         /* adjust for window's requested size increment */
3263                         remain = (win_g.w - w_base) % w_inc;
3264                         win_g.w -= remain;
3265                 }
3266
3267                 msize = win_g.w;
3268                 if (flip)
3269                         win_g.x += r_g.w - msize;
3270         } else {
3271                 msize = -2;
3272                 colno = split = winno / stacks;
3273                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3274                     2 * border_width) / stacks);
3275         }
3276         hrh = r_g.h / colno;
3277         extra = r_g.h - (colno * hrh);
3278         win_g.h = hrh - 2 * border_width;
3279
3280         /*  stack all the tiled windows */
3281         i = j = 0, s = stacks;
3282         TAILQ_FOREACH(win, &ws->winlist, entry) {
3283                 if (win->transient != 0 || win->floating != 0)
3284                         continue;
3285                 if (win->iconic != 0)
3286                         continue;
3287
3288                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3289                         fs_win = win;
3290                         continue;
3291                 }
3292
3293                 if (split && i == split) {
3294                         colno = (winno - mwin) / stacks;
3295                         if (s <= (winno - mwin) % stacks)
3296                                 colno++;
3297                         split = split + colno;
3298                         hrh = (r_g.h / colno);
3299                         extra = r_g.h - (colno * hrh);
3300                         if (flip)
3301                                 win_g.x = r_g.x;
3302                         else
3303                                 win_g.x += win_g.w + 2 * border_width;
3304                         win_g.w = (r_g.w - msize -
3305                             (stacks * 2 * border_width)) / stacks;
3306                         if (s == 1)
3307                                 win_g.w += (r_g.w - msize -
3308                                     (stacks * 2 * border_width)) % stacks;
3309                         s--;
3310                         j = 0;
3311                 }
3312                 win_g.h = hrh - 2 * border_width;
3313                 if (rot) {
3314                         h_inc = win->sh.width_inc;
3315                         h_base = win->sh.base_width;
3316                 } else {
3317                         h_inc = win->sh.height_inc;
3318                         h_base = win->sh.base_height;
3319                 }
3320                 if (j == colno - 1) {
3321                         win_g.h = hrh + extra;
3322                 } else if (h_inc > 1 && h_inc < h_slice) {
3323                         /* adjust for window's requested size increment */
3324                         remain = (win_g.h - h_base) % h_inc;
3325                         missing = h_inc - remain;
3326
3327                         if (missing <= extra || j == 0) {
3328                                 extra -= missing;
3329                                 win_g.h += missing;
3330                         } else {
3331                                 win_g.h -= remain;
3332                                 extra += remain;
3333                         }
3334                 }
3335
3336                 if (j == 0)
3337                         win_g.y = r_g.y;
3338                 else
3339                         win_g.y += last_h + 2 * border_width;
3340
3341                 if (disable_border && bar_enabled == 0 && winno == 1){
3342                         bordered = 0;
3343                         win_g.w += 2 * border_width;
3344                         win_g.h += 2 * border_width;
3345                 } else {
3346                         bordered = 1;
3347                 }
3348                 if (rot) {
3349                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3350                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3351                                 reconfigure = 1;
3352                                 X(win) = win_g.y;
3353                                 Y(win) = win_g.x;
3354                                 WIDTH(win) = win_g.h;
3355                                 HEIGHT(win) = win_g.w;
3356                         }
3357                 } else {
3358                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3359                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3360                                 reconfigure = 1;
3361                                 X(win) = win_g.x;
3362                                 Y(win) = win_g.y;
3363                                 WIDTH(win) = win_g.w;
3364                                 HEIGHT(win) = win_g.h;
3365                         }
3366                 }
3367
3368                 if (bordered != win->bordered) {
3369                         reconfigure = 1;
3370                         win->bordered = bordered;
3371                 }
3372
3373                 if (reconfigure) {
3374                         adjust_font(win);
3375                         update_window(win);
3376                 }
3377
3378                 war = xcb_get_window_attributes_reply(conn,
3379                         xcb_get_window_attributes(conn, win->id),
3380                         NULL);
3381                 if (war) {
3382                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3383                                 map_window_raised(win->id);
3384                         free(war);
3385                 }
3386
3387                 last_h = win_g.h;
3388                 i++;
3389                 j++;
3390         }
3391
3392 notiles:
3393         /* now, stack all the floaters and transients */
3394         TAILQ_FOREACH(win, &ws->winlist, entry) {
3395                 if (win->transient == 0 && win->floating == 0)
3396                         continue;
3397                 if (win->iconic == 1)
3398                         continue;
3399                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3400                         fs_win = win;
3401                         continue;
3402                 }
3403
3404                 stack_floater(win, ws->r);
3405                 map_window_raised(win->id);
3406         }
3407
3408         if (fs_win) {
3409                 stack_floater(fs_win, ws->r);
3410                 map_window_raised(fs_win->id);
3411         }
3412 }
3413
3414 void
3415 vertical_config(struct workspace *ws, int id)
3416 {
3417         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3418             id, ws->idx);
3419
3420         switch (id) {
3421         case SWM_ARG_ID_STACKRESET:
3422         case SWM_ARG_ID_STACKINIT:
3423                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3424                 ws->l_state.vertical_mwin = 1;
3425                 ws->l_state.vertical_stacks = 1;
3426                 break;
3427         case SWM_ARG_ID_MASTERSHRINK:
3428                 if (ws->l_state.vertical_msize > 1)
3429                         ws->l_state.vertical_msize--;
3430                 break;
3431         case SWM_ARG_ID_MASTERGROW:
3432                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3433                         ws->l_state.vertical_msize++;
3434                 break;
3435         case SWM_ARG_ID_MASTERADD:
3436                 ws->l_state.vertical_mwin++;
3437                 break;
3438         case SWM_ARG_ID_MASTERDEL:
3439                 if (ws->l_state.vertical_mwin > 0)
3440                         ws->l_state.vertical_mwin--;
3441                 break;
3442         case SWM_ARG_ID_STACKINC:
3443                 ws->l_state.vertical_stacks++;
3444                 break;
3445         case SWM_ARG_ID_STACKDEC:
3446                 if (ws->l_state.vertical_stacks > 1)
3447                         ws->l_state.vertical_stacks--;
3448                 break;
3449         case SWM_ARG_ID_FLIPLAYOUT:
3450                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3451                 break;
3452         default:
3453                 return;
3454         }
3455 }
3456
3457 void
3458 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3459 {
3460         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3461
3462         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3463 }
3464
3465 void
3466 horizontal_config(struct workspace *ws, int id)
3467 {
3468         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3469
3470         switch (id) {
3471         case SWM_ARG_ID_STACKRESET:
3472         case SWM_ARG_ID_STACKINIT:
3473                 ws->l_state.horizontal_mwin = 1;
3474                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3475                 ws->l_state.horizontal_stacks = 1;
3476                 break;
3477         case SWM_ARG_ID_MASTERSHRINK:
3478                 if (ws->l_state.horizontal_msize > 1)
3479                         ws->l_state.horizontal_msize--;
3480                 break;
3481         case SWM_ARG_ID_MASTERGROW:
3482                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3483                         ws->l_state.horizontal_msize++;
3484                 break;
3485         case SWM_ARG_ID_MASTERADD:
3486                 ws->l_state.horizontal_mwin++;
3487                 break;
3488         case SWM_ARG_ID_MASTERDEL:
3489                 if (ws->l_state.horizontal_mwin > 0)
3490                         ws->l_state.horizontal_mwin--;
3491                 break;
3492         case SWM_ARG_ID_STACKINC:
3493                 ws->l_state.horizontal_stacks++;
3494                 break;
3495         case SWM_ARG_ID_STACKDEC:
3496                 if (ws->l_state.horizontal_stacks > 1)
3497                         ws->l_state.horizontal_stacks--;
3498                 break;
3499         case SWM_ARG_ID_FLIPLAYOUT:
3500                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3501                 break;
3502         default:
3503                 return;
3504         }
3505 }
3506
3507 void
3508 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3509 {
3510         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3511
3512         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3513 }
3514
3515 /* fullscreen view */
3516 void
3517 max_stack(struct workspace *ws, struct swm_geometry *g)
3518 {
3519         struct swm_geometry     gg = *g;
3520         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3521         int                     winno, num_screens;
3522
3523         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3524
3525         if (ws == NULL)
3526                 return;
3527
3528         winno = count_win(ws, 0);
3529         if (winno == 0 && count_win(ws, 1) == 0)
3530                 return;
3531
3532         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3533         TAILQ_FOREACH(win, &ws->winlist, entry) {
3534                 if (win->transient) {
3535                         wintrans = win;
3536                         parent = find_window(win->transient);
3537                         continue;
3538                 }
3539
3540                 if (win->floating && win->floatmaxed == 0 ) {
3541                         /*
3542                          * retain geometry for retrieval on exit from
3543                          * max_stack mode
3544                          */
3545                         store_float_geom(win, ws->r);
3546                         win->floatmaxed = 1;
3547                 }
3548
3549                 /* only reconfigure if necessary */
3550                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3551                     HEIGHT(win) != gg.h) {
3552                         win->g = gg;
3553                         if (bar_enabled){
3554                                 win->bordered = 1;
3555                         } else {
3556                                 win->bordered = 0;
3557                                 WIDTH(win) += 2 * border_width;
3558                                 HEIGHT(win) += 2 * border_width;
3559                         }
3560
3561                         update_window(win);
3562                 }
3563                 /* unmap only if we don't have multi screen */
3564                 if (win != ws->focus)
3565                         if (!(num_screens > 1 || outputs > 1))
3566                                 unmap_window(win);
3567         }
3568
3569         /* put the last transient on top */
3570         if (wintrans) {
3571                 if (parent)
3572                         map_window_raised(parent->id);
3573                 stack_floater(wintrans, ws->r);
3574                 focus_magic(wintrans);
3575         }
3576 }
3577
3578 void
3579 send_to_ws(struct swm_region *r, union arg *args)
3580 {
3581         int                     wsid = args->id;
3582         struct ws_win           *win = NULL, *parent;
3583         struct workspace        *ws, *nws;
3584         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3585         char                    ws_idx_str[SWM_PROPLEN];
3586         union arg               a;
3587
3588         if (wsid >= workspace_limit)
3589                 return;
3590
3591         if (r && r->ws && r->ws->focus)
3592                 win = r->ws->focus;
3593         else
3594                 return;
3595         if (win == NULL)
3596                 return;
3597         if (win->ws->idx == wsid)
3598                 return;
3599
3600         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3601
3602         ws = win->ws;
3603         nws = &win->s->ws[wsid];
3604
3605         a.id = SWM_ARG_ID_FOCUSPREV;
3606         focus(r, &a);
3607         if (win->transient) {
3608                 parent = find_window(win->transient);
3609                 if (parent) {
3610                         unmap_window(parent);
3611                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3612                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3613                         parent->ws = nws;
3614                 }
3615         }
3616         unmap_window(win);
3617         TAILQ_REMOVE(&ws->winlist, win, entry);
3618         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3619         if (TAILQ_EMPTY(&ws->winlist))
3620                 r->ws->focus = NULL;
3621         win->ws = nws;
3622
3623         /* Try to update the window's workspace property */
3624         ws_idx_atom = get_atom_from_string("_SWM_WS");
3625         if (ws_idx_atom &&
3626             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3627                 SWM_PROPLEN) {
3628                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3629                     ws_idx_str);
3630                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3631                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3632                     ws_idx_str);
3633         }
3634
3635         stack();
3636         bar_update();
3637
3638         xcb_flush(conn);
3639 }
3640
3641 void
3642 pressbutton(struct swm_region *r, union arg *args)
3643 {
3644         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3645             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3646         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3647             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3648 }
3649
3650 void
3651 raise_toggle(struct swm_region *r, union arg *args)
3652 {
3653         if (r == NULL || r->ws == NULL)
3654                 return;
3655
3656         r->ws->always_raise = !r->ws->always_raise;
3657
3658         /* bring floaters back to top */
3659         if (r->ws->always_raise == 0)
3660                 stack();
3661
3662         xcb_flush(conn);
3663 }
3664
3665 void
3666 iconify(struct swm_region *r, union arg *args)
3667 {
3668         union arg a;
3669
3670         if (r->ws->focus == NULL)
3671                 return;
3672         unmap_window(r->ws->focus);
3673         update_iconic(r->ws->focus, 1);
3674         stack();
3675
3676         r->ws->focus = NULL;
3677         a.id = SWM_ARG_ID_FOCUSCUR;
3678         focus(r, &a);
3679
3680         xcb_flush(conn);
3681 }
3682
3683 char *
3684 get_win_name(xcb_window_t win)
3685 {
3686         char                            *name = NULL;
3687         xcb_get_property_cookie_t       c;
3688         xcb_icccm_get_text_property_reply_t     r;
3689
3690         c = xcb_icccm_get_wm_name(conn, win);
3691         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3692                 if (r.name_len > 0) {
3693                         name = malloc(r.name_len + 1);
3694                         if (!name) {
3695                                 xcb_icccm_get_text_property_reply_wipe(&r);
3696                                 return (NULL);
3697                         }
3698                         memcpy(name, r.name, r.name_len);
3699                         name[r.name_len] = '\0';
3700                 }
3701                 xcb_icccm_get_text_property_reply_wipe(&r);
3702         }
3703
3704         return (name);
3705 }
3706
3707 void
3708 uniconify(struct swm_region *r, union arg *args)
3709 {
3710         struct ws_win           *win;
3711         FILE                    *lfile;
3712         char                    *name;
3713         int                     count = 0;
3714
3715         DNPRINTF(SWM_D_MISC, "uniconify\n");
3716
3717         if (r == NULL || r->ws == NULL)
3718                 return;
3719
3720         /* make sure we have anything to uniconify */
3721         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3722                 if (win->ws == NULL)
3723                         continue; /* should never happen */
3724                 if (win->iconic == 0)
3725                         continue;
3726                 count++;
3727         }
3728         if (count == 0)
3729                 return;
3730
3731         search_r = r;
3732         search_resp_action = SWM_SEARCH_UNICONIFY;
3733
3734         spawn_select(r, args, "search", &searchpid);
3735
3736         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3737                 return;
3738
3739         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3740                 if (win->ws == NULL)
3741                         continue; /* should never happen */
3742                 if (win->iconic == 0)
3743                         continue;
3744
3745                 name = get_win_name(win->id);
3746                 if (name == NULL)
3747                         continue;
3748                 fprintf(lfile, "%s.%u\n", name, win->id);
3749                 free(name);
3750         }
3751
3752         fclose(lfile);
3753
3754         xcb_flush(conn);
3755 }
3756
3757 void
3758 name_workspace(struct swm_region *r, union arg *args)
3759 {
3760         FILE                    *lfile;
3761
3762         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3763
3764         if (r == NULL)
3765                 return;
3766
3767         search_r = r;
3768         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3769
3770         spawn_select(r, args, "name_workspace", &searchpid);
3771
3772         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3773                 return;
3774
3775         fprintf(lfile, "%s", "");
3776         fclose(lfile);
3777 }
3778
3779 void
3780 search_workspace(struct swm_region *r, union arg *args)
3781 {
3782         int                     i;
3783         struct workspace        *ws;
3784         FILE                    *lfile;
3785
3786         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3787
3788         if (r == NULL)
3789                 return;
3790
3791         search_r = r;
3792         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3793
3794         spawn_select(r, args, "search", &searchpid);
3795
3796         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3797                 return;
3798
3799         for (i = 0; i < workspace_limit; i++) {
3800                 ws = &r->s->ws[i];
3801                 if (ws == NULL)
3802                         continue;
3803                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3804                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3805         }
3806
3807         fclose(lfile);
3808 }
3809
3810 void
3811 search_win_cleanup(void)
3812 {
3813         struct search_window    *sw = NULL;
3814
3815         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3816                 xcb_destroy_window(conn, sw->indicator);
3817                 xcb_free_gc(conn, sw->gc);
3818                 TAILQ_REMOVE(&search_wl, sw, entry);
3819                 free(sw);
3820         }
3821 }
3822
3823 void
3824 search_win(struct swm_region *r, union arg *args)
3825 {
3826         struct ws_win           *win = NULL;
3827         struct search_window    *sw = NULL;
3828         xcb_window_t            w;
3829         uint32_t                gcv[3], wa[2];
3830         int                     i;
3831         char                    s[8];
3832         FILE                    *lfile;
3833         size_t                  len;
3834         XRectangle              ibox, lbox;
3835
3836         DNPRINTF(SWM_D_MISC, "search_win\n");
3837
3838         search_r = r;
3839         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3840
3841         spawn_select(r, args, "search", &searchpid);
3842
3843         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3844                 return;
3845
3846         TAILQ_INIT(&search_wl);
3847
3848         i = 1;
3849         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3850                 if (win->iconic == 1)
3851                         continue;
3852
3853                 sw = calloc(1, sizeof(struct search_window));
3854                 if (sw == NULL) {
3855                         warn("search_win: calloc");
3856                         fclose(lfile);
3857                         search_win_cleanup();
3858                         return;
3859                 }
3860                 sw->idx = i;
3861                 sw->win = win;
3862
3863                 snprintf(s, sizeof s, "%d", i);
3864                 len = strlen(s);
3865
3866                 /* FIXME fix calculations */
3867 #if 0
3868                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3869 #endif
3870
3871                 w = xcb_generate_id(conn);
3872                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3873                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3874 #if 0
3875                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3876                     lbox.width + 4, bar_fs_extents->max_logical_extent.height,
3877                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3878                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3879 #else
3880                 /* workaround */
3881                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3882                     22, 20, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
3883                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
3884                     XCB_CW_BORDER_PIXEL, wa);
3885 #endif
3886
3887                 sw->indicator = w;
3888                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3889
3890                 sw->gc = xcb_generate_id(conn);
3891                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3892                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].color;
3893                 gcv[2] = 0;
3894                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3895                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
3896                 map_window_raised(w);
3897
3898 #if 0
3899                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3900                     (bar_fs_extents->max_logical_extent.height -
3901                     lbox.height) / 2 - lbox.y, s);
3902 #else
3903                 /* workaround */
3904                 xcb_image_text_8(conn, len, w, sw->gc, 6, 14, s);
3905 #endif
3906
3907                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3908
3909                 fprintf(lfile, "%d\n", i);
3910                 i++;
3911         }
3912
3913         fclose(lfile);
3914
3915         xcb_flush(conn);
3916 }
3917
3918 void
3919 search_resp_uniconify(char *resp, unsigned long len)
3920 {
3921         char                    *name;
3922         struct ws_win           *win;
3923         char                    *s;
3924
3925         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3926
3927         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3928                 if (win->iconic == 0)
3929                         continue;
3930                 name = get_win_name(win->id);
3931                 if (name == NULL)
3932                         continue;
3933                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3934                         free(name);
3935                         continue;
3936                 }
3937                 free(name);
3938                 if (strncmp(s, resp, len) == 0) {
3939                         /* XXX this should be a callback to generalize */
3940                         update_iconic(win, 0);
3941                         free(s);
3942                         break;
3943                 }
3944                 free(s);
3945         }
3946 }
3947
3948 void
3949 search_resp_name_workspace(char *resp, unsigned long len)
3950 {
3951         struct workspace        *ws;
3952
3953         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3954
3955         if (search_r->ws == NULL)
3956                 return;
3957         ws = search_r->ws;
3958
3959         if (ws->name) {
3960                 free(search_r->ws->name);
3961                 search_r->ws->name = NULL;
3962         }
3963
3964         if (len > 1) {
3965                 ws->name = strdup(resp);
3966                 if (ws->name == NULL) {
3967                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3968                             "strdup: %s", strerror(errno));
3969                         return;
3970                 }
3971         }
3972 }
3973
3974 void
3975 search_resp_search_workspace(char *resp, unsigned long len)
3976 {
3977         char                    *p, *q;
3978         int                     ws_idx;
3979         const char              *errstr;
3980         union arg               a;
3981
3982         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3983
3984         q = strdup(resp);
3985         if (!q) {
3986                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3987                     strerror(errno));
3988                 return;
3989         }
3990         p = strchr(q, ':');
3991         if (p != NULL)
3992                 *p = '\0';
3993         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3994         if (errstr) {
3995                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3996                     errstr, q);
3997                 free(q);
3998                 return;
3999         }
4000         free(q);
4001         a.id = ws_idx - 1;
4002         switchws(search_r, &a);
4003 }
4004
4005 void
4006 search_resp_search_window(char *resp, unsigned long len)
4007 {
4008         char                    *s;
4009         int                     idx;
4010         const char              *errstr;
4011         struct search_window    *sw;
4012
4013         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4014
4015         s = strdup(resp);
4016         if (!s) {
4017                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4018                     strerror(errno));
4019                 return;
4020         }
4021
4022         idx = strtonum(s, 1, INT_MAX, &errstr);
4023         if (errstr) {
4024                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4025                     errstr, s);
4026                 free(s);
4027                 return;
4028         }
4029         free(s);
4030
4031         TAILQ_FOREACH(sw, &search_wl, entry)
4032                 if (idx == sw->idx) {
4033                         focus_win(sw->win);
4034                         break;
4035                 }
4036 }
4037
4038 #define MAX_RESP_LEN    1024
4039
4040 void
4041 search_do_resp(void)
4042 {
4043         ssize_t                 rbytes;
4044         char                    *resp;
4045         unsigned long           len;
4046
4047         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4048
4049         search_resp = 0;
4050         searchpid = 0;
4051
4052         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4053                 warn("search: calloc");
4054                 goto done;
4055         }
4056
4057         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4058         if (rbytes <= 0) {
4059                 warn("search: read error");
4060                 goto done;
4061         }
4062         resp[rbytes] = '\0';
4063
4064         /* XXX:
4065          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4066          * newline, so work around that by sanitizing the resp now.
4067          */
4068         resp[strcspn(resp, "\n")] = '\0';
4069         len = strlen(resp);
4070
4071         switch (search_resp_action) {
4072         case SWM_SEARCH_UNICONIFY:
4073                 search_resp_uniconify(resp, len);
4074                 break;
4075         case SWM_SEARCH_NAME_WORKSPACE:
4076                 search_resp_name_workspace(resp, len);
4077                 break;
4078         case SWM_SEARCH_SEARCH_WORKSPACE:
4079                 search_resp_search_workspace(resp, len);
4080                 break;
4081         case SWM_SEARCH_SEARCH_WINDOW:
4082                 search_resp_search_window(resp, len);
4083                 break;
4084         }
4085
4086 done:
4087         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4088                 search_win_cleanup();
4089
4090         search_resp_action = SWM_SEARCH_NONE;
4091         close(select_resp_pipe[0]);
4092         free(resp);
4093 }
4094
4095 void
4096 wkill(struct swm_region *r, union arg *args)
4097 {
4098         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4099
4100         if (r->ws->focus == NULL)
4101                 return;
4102
4103         if (args->id == SWM_ARG_ID_KILLWINDOW)
4104                 xcb_kill_client(conn, r->ws->focus->id);
4105         else
4106                 if (r->ws->focus->can_delete)
4107                         client_msg(r->ws->focus, a_delete);
4108
4109         xcb_flush(conn);
4110 }
4111
4112
4113 int
4114 floating_toggle_win(struct ws_win *win)
4115 {
4116         struct swm_region       *r;
4117
4118         if (win == NULL)
4119                 return (0);
4120
4121         if (!win->ws->r)
4122                 return (0);
4123
4124         r = win->ws->r;
4125
4126         /* reject floating toggles in max stack mode */
4127         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4128                 return (0);
4129
4130         if (win->floating) {
4131                 if (!win->floatmaxed) {
4132                         /* retain position for refloat */
4133                         store_float_geom(win, r);
4134                 }
4135                 win->floating = 0;
4136         } else {
4137                 if (win->g_floatvalid) {
4138                         /* refloat at last floating relative position */
4139                         X(win) = win->g_float.x + X(r);
4140                         Y(win) = win->g_float.y + Y(r);
4141                         WIDTH(win) = win->g_float.w;
4142                         HEIGHT(win) = win->g_float.h;
4143                 }
4144                 win->floating = 1;
4145         }
4146
4147         ewmh_update_actions(win);
4148
4149         return (1);
4150 }
4151
4152 void
4153 floating_toggle(struct swm_region *r, union arg *args)
4154 {
4155         struct ws_win           *win = r->ws->focus;
4156         union arg               a;
4157
4158         if (win == NULL)
4159                 return;
4160
4161         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4162             _NET_WM_STATE_TOGGLE);
4163
4164         stack();
4165
4166         if (win == win->ws->focus) {
4167                 a.id = SWM_ARG_ID_FOCUSCUR;
4168                 focus(win->ws->r, &a);
4169         }
4170
4171         xcb_flush(conn);
4172         event_drain(XCB_ENTER_NOTIFY);
4173 }
4174
4175 void
4176 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4177 {
4178         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4179                 if (resizable)
4180                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4181                 else
4182                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4183         }
4184
4185         if (X(win) + BORDER(win) < X(r)) {
4186                 if (resizable)
4187                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4188
4189                 X(win) = X(r) - BORDER(win);
4190         }
4191
4192         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4193                 if (resizable)
4194                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4195                 else
4196                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4197         }
4198
4199         if (Y(win) + BORDER(win) < Y(r)) {
4200                 if (resizable)
4201                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4202
4203                 Y(win) = Y(r) - BORDER(win);
4204         }
4205
4206         if (resizable) {
4207                 if (WIDTH(win) < 1)
4208                         WIDTH(win) = 1;
4209                 if (HEIGHT(win) < 1)
4210                         HEIGHT(win) = 1;
4211         }
4212 }
4213
4214 void
4215 update_window(struct ws_win *win)
4216 {
4217         uint16_t        mask;
4218         uint32_t        wc[5];
4219
4220         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4221                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4222                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4223         wc[0] = X(win);
4224         wc[1] = Y(win);
4225         wc[2] = WIDTH(win);
4226         wc[3] = HEIGHT(win);
4227         wc[4] = BORDER(win);
4228
4229         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4230             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4231             wc[3], YESNO(win->bordered));
4232
4233         xcb_configure_window(conn, win->id, mask, wc);
4234 }
4235
4236 #define SWM_RESIZE_STEPS        (50)
4237
4238 void
4239 resize(struct ws_win *win, union arg *args)
4240 {
4241         xcb_timestamp_t         timestamp = 0;
4242         struct swm_region       *r = NULL;
4243         int                     resize_step = 0;
4244         struct swm_geometry     g;
4245         int                     top = 0, left = 0, resizing;
4246         int                     dx, dy;
4247         unsigned int            shape; /* cursor style */
4248         xcb_cursor_t            cursor;
4249         xcb_font_t              cursor_font;
4250         xcb_grab_pointer_cookie_t       gpc;
4251         xcb_grab_pointer_reply_t        *gpr;
4252         xcb_query_pointer_reply_t       *xpr;
4253         xcb_generic_event_t             *evt;
4254         xcb_motion_notify_event_t       *mne;
4255
4256         if (win == NULL)
4257                 return;
4258         r = win->ws->r;
4259
4260         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4261                 return;
4262
4263         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4264             "transient: 0x%x\n", win->id, YESNO(win->floating),
4265             win->transient);
4266
4267         if (!(win->transient != 0 || win->floating != 0))
4268                 return;
4269
4270         /* reject resizes in max mode for floaters (transient ok) */
4271         if (win->floatmaxed)
4272                 return;
4273
4274         win->manual = 1;
4275         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4276             _NET_WM_STATE_ADD);
4277
4278         stack();
4279
4280         switch (args->id) {
4281         case SWM_ARG_ID_WIDTHSHRINK:
4282                 WIDTH(win) -= SWM_RESIZE_STEPS;
4283                 resize_step = 1;
4284                 break;
4285         case SWM_ARG_ID_WIDTHGROW:
4286                 WIDTH(win) += SWM_RESIZE_STEPS;
4287                 resize_step = 1;
4288                 break;
4289         case SWM_ARG_ID_HEIGHTSHRINK:
4290                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4291                 resize_step = 1;
4292                 break;
4293         case SWM_ARG_ID_HEIGHTGROW:
4294                 HEIGHT(win) += SWM_RESIZE_STEPS;
4295                 resize_step = 1;
4296                 break;
4297         default:
4298                 break;
4299         }
4300         if (resize_step) {
4301                 constrain_window(win, r, 1);
4302                 update_window(win);
4303                 store_float_geom(win,r);
4304                 return;
4305         }
4306
4307         /* get cursor offset from window root */
4308         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4309             NULL);
4310         if (!xpr)
4311                 return;
4312
4313         g = win->g;
4314
4315         if (xpr->win_x < WIDTH(win) / 2)
4316                 left = 1;
4317
4318         if (xpr->win_y < HEIGHT(win) / 2)
4319                 top = 1;
4320
4321         if (args->id == SWM_ARG_ID_CENTER)
4322                 shape = XC_sizing;
4323         else if (top)
4324                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4325         else
4326                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4327
4328         cursor_font = xcb_generate_id(conn);
4329         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4330
4331         cursor = xcb_generate_id(conn);
4332         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4333             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4334
4335         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4336             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4337             XCB_CURRENT_TIME),
4338         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4339         if (!gpr) {
4340                 xcb_free_cursor(conn, cursor);
4341                 xcb_close_font(conn, cursor_font);
4342                 free(xpr);
4343                 return;
4344         }
4345
4346         xcb_flush(conn);
4347         resizing = 1;
4348         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4349                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4350                 case XCB_BUTTON_RELEASE:
4351                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4352                         resizing = 0;
4353                         break;
4354                 case XCB_MOTION_NOTIFY:
4355                         mne = (xcb_motion_notify_event_t *)evt;
4356                         /* cursor offset/delta from start of the operation */
4357                         dx = mne->root_x - xpr->root_x;
4358                         dy = mne->root_y - xpr->root_y;
4359
4360                         /* vertical */
4361                         if (top)
4362                                 dy = -dy;
4363
4364                         if (args->id == SWM_ARG_ID_CENTER) {
4365                                 if (g.h / 2 + dy < 1)
4366                                         dy = 1 - g.h / 2;
4367
4368                                 Y(win) = g.y - dy;
4369                                 HEIGHT(win) = g.h + 2 * dy;
4370                         } else {
4371                                 if (g.h + dy < 1)
4372                                         dy = 1 - g.h;
4373
4374                                 if (top)
4375                                         Y(win) = g.y - dy;
4376
4377                                 HEIGHT(win) = g.h + dy;
4378                         }
4379
4380                         /* horizontal */
4381                         if (left)
4382                                 dx = -dx;
4383
4384                         if (args->id == SWM_ARG_ID_CENTER) {
4385                                 if (g.w / 2 + dx < 1)
4386                                         dx = 1 - g.w / 2;
4387
4388                                 X(win) = g.x - dx;
4389                                 WIDTH(win) = g.w + 2 * dx;
4390                         } else {
4391                                 if (g.w + dx < 1)
4392                                         dx = 1 - g.w;
4393
4394                                 if (left)
4395                                         X(win) = g.x - dx;
4396
4397                                 WIDTH(win) = g.w + dx;
4398                         }
4399
4400                         constrain_window(win, r, 1);
4401
4402                         /* not free, don't sync more than 120 times / second */
4403                         if ((mne->time - timestamp) > (1000 / 120) ) {
4404                                 timestamp = mne->time;
4405                                 do_sync();
4406                                 update_window(win);
4407                         }
4408                         break;
4409                 default:
4410                         event_handle(evt);
4411                         break;
4412                 }
4413                 free(evt);
4414         }
4415         if (timestamp) {
4416                 do_sync();
4417                 update_window(win);
4418         }
4419         store_float_geom(win,r);
4420
4421         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4422         xcb_free_cursor(conn, cursor);
4423         xcb_close_font(conn, cursor_font);
4424         free(gpr);
4425         free(xpr);
4426         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4427 }
4428
4429 void
4430 resize_step(struct swm_region *r, union arg *args)
4431 {
4432         struct ws_win           *win = NULL;
4433
4434         if (r && r->ws && r->ws->focus)
4435                 win = r->ws->focus;
4436         else
4437                 return;
4438
4439         resize(win, args);
4440 }
4441
4442 #define SWM_MOVE_STEPS  (50)
4443
4444 void
4445 move(struct ws_win *win, union arg *args)
4446 {
4447         xcb_timestamp_t         timestamp = 0;
4448         int                     move_step = 0, moving;
4449         struct swm_region       *r = NULL;
4450         xcb_font_t                      cursor_font;
4451         xcb_cursor_t                    cursor;
4452         xcb_grab_pointer_cookie_t       gpc;
4453         xcb_grab_pointer_reply_t        *gpr;
4454         xcb_query_pointer_reply_t       *qpr;
4455         xcb_generic_event_t             *evt;
4456         xcb_motion_notify_event_t       *mne;
4457
4458         if (win == NULL)
4459                 return;
4460         r = win->ws->r;
4461
4462         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4463                 return;
4464
4465         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4466             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4467
4468         /* in max_stack mode should only move transients */
4469         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4470                 return;
4471
4472         win->manual = 1;
4473         if (win->floating == 0 && !win->transient) {
4474                 store_float_geom(win, r);
4475                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4476                     _NET_WM_STATE_ADD);
4477         }
4478         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4479             _NET_WM_STATE_ADD);
4480
4481         stack();
4482
4483         move_step = 0;
4484         switch (args->id) {
4485         case SWM_ARG_ID_MOVELEFT:
4486                 X(win) -= (SWM_MOVE_STEPS - border_width);
4487                 move_step = 1;
4488                 break;
4489         case SWM_ARG_ID_MOVERIGHT:
4490                 X(win) += (SWM_MOVE_STEPS - border_width);
4491                 move_step = 1;
4492                 break;
4493         case SWM_ARG_ID_MOVEUP:
4494                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4495                 move_step = 1;
4496                 break;
4497         case SWM_ARG_ID_MOVEDOWN:
4498                 Y(win) += (SWM_MOVE_STEPS - border_width);
4499                 move_step = 1;
4500                 break;
4501         default:
4502                 break;
4503         }
4504         if (move_step) {
4505                 constrain_window(win, r, 0);
4506                 update_window(win);
4507                 store_float_geom(win, r);
4508                 return;
4509         }
4510
4511         cursor_font = xcb_generate_id(conn);
4512         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4513
4514         cursor = xcb_generate_id(conn);
4515         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4516                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4517
4518         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4519             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4520             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4521         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4522         if (!gpr) {
4523                 xcb_free_cursor(conn, cursor);
4524                 xcb_close_font(conn, cursor_font);
4525                 return;
4526         }
4527
4528         /* get cursor offset from window root */
4529         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4530                 NULL);
4531         if (!qpr) {
4532                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4533                 xcb_free_cursor(conn, cursor);
4534                 xcb_close_font(conn, cursor_font);
4535                 return;
4536         }
4537
4538         xcb_flush(conn);
4539         moving = 1;
4540         while ((evt = xcb_wait_for_event(conn)) && moving) {
4541                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4542                 case XCB_BUTTON_RELEASE:
4543                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4544                         moving = 0;
4545                         break;
4546                 case XCB_MOTION_NOTIFY:
4547                         mne = (xcb_motion_notify_event_t *)evt;
4548                         X(win) = mne->root_x - qpr->win_x - border_width;
4549                         Y(win) = mne->root_y - qpr->win_y - border_width;
4550
4551                         constrain_window(win, r, 0);
4552
4553                         /* not free, don't sync more than 120 times / second */
4554                         if ((mne->time - timestamp) > (1000 / 120) ) {
4555                                 timestamp = mne->time;
4556                                 do_sync();
4557                                 update_window(win);
4558                         }
4559                         break;
4560                 default:
4561                         event_handle(evt);
4562                         break;
4563                 }
4564                 free(evt);
4565         }
4566         if (timestamp) {
4567                 do_sync();
4568                 update_window(win);
4569         }
4570         store_float_geom(win, r);
4571         free(qpr);
4572         xcb_free_cursor(conn, cursor);
4573         xcb_close_font(conn, cursor_font);
4574         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4575         DNPRINTF(SWM_D_EVENT, "move: done\n");
4576 }
4577
4578 void
4579 move_step(struct swm_region *r, union arg *args)
4580 {
4581         struct ws_win           *win = NULL;
4582
4583         if (r && r->ws && r->ws->focus)
4584                 win = r->ws->focus;
4585         else
4586                 return;
4587
4588         if (!(win->transient != 0 || win->floating != 0))
4589                 return;
4590
4591         move(win, args);
4592 }
4593
4594
4595 /* user/key callable function IDs */
4596 enum keyfuncid {
4597         KF_BAR_TOGGLE,
4598         KF_BUTTON2,
4599         KF_CYCLE_LAYOUT,
4600         KF_FLIP_LAYOUT,
4601         KF_FLOAT_TOGGLE,
4602         KF_FOCUS_MAIN,
4603         KF_FOCUS_NEXT,
4604         KF_FOCUS_PREV,
4605         KF_HEIGHT_GROW,
4606         KF_HEIGHT_SHRINK,
4607         KF_ICONIFY,
4608         KF_MASTER_SHRINK,
4609         KF_MASTER_GROW,
4610         KF_MASTER_ADD,
4611         KF_MASTER_DEL,
4612         KF_MOVE_DOWN,
4613         KF_MOVE_LEFT,
4614         KF_MOVE_RIGHT,
4615         KF_MOVE_UP,
4616         KF_MVWS_1,
4617         KF_MVWS_2,
4618         KF_MVWS_3,
4619         KF_MVWS_4,
4620         KF_MVWS_5,
4621         KF_MVWS_6,
4622         KF_MVWS_7,
4623         KF_MVWS_8,
4624         KF_MVWS_9,
4625         KF_MVWS_10,
4626         KF_MVWS_11,
4627         KF_MVWS_12,
4628         KF_MVWS_13,
4629         KF_MVWS_14,
4630         KF_MVWS_15,
4631         KF_MVWS_16,
4632         KF_MVWS_17,
4633         KF_MVWS_18,
4634         KF_MVWS_19,
4635         KF_MVWS_20,
4636         KF_MVWS_21,
4637         KF_MVWS_22,
4638         KF_NAME_WORKSPACE,
4639         KF_QUIT,
4640         KF_RAISE_TOGGLE,
4641         KF_RESTART,
4642         KF_SCREEN_NEXT,
4643         KF_SCREEN_PREV,
4644         KF_SEARCH_WIN,
4645         KF_SEARCH_WORKSPACE,
4646         KF_SPAWN_CUSTOM,
4647         KF_STACK_INC,
4648         KF_STACK_DEC,
4649         KF_STACK_RESET,
4650         KF_SWAP_MAIN,
4651         KF_SWAP_NEXT,
4652         KF_SWAP_PREV,
4653         KF_UNICONIFY,
4654         KF_VERSION,
4655         KF_WIDTH_GROW,
4656         KF_WIDTH_SHRINK,
4657         KF_WIND_DEL,
4658         KF_WIND_KILL,
4659         KF_WS_1,
4660         KF_WS_2,
4661         KF_WS_3,
4662         KF_WS_4,
4663         KF_WS_5,
4664         KF_WS_6,
4665         KF_WS_7,
4666         KF_WS_8,
4667         KF_WS_9,
4668         KF_WS_10,
4669         KF_WS_11,
4670         KF_WS_12,
4671         KF_WS_13,
4672         KF_WS_14,
4673         KF_WS_15,
4674         KF_WS_16,
4675         KF_WS_17,
4676         KF_WS_18,
4677         KF_WS_19,
4678         KF_WS_20,
4679         KF_WS_21,
4680         KF_WS_22,
4681         KF_WS_NEXT,
4682         KF_WS_NEXT_ALL,
4683         KF_WS_PREV,
4684         KF_WS_PREV_ALL,
4685         KF_WS_PRIOR,
4686         KF_DUMPWINS, /* MUST BE LAST */
4687         KF_INVALID
4688 };
4689
4690 /* key definitions */
4691 struct keyfunc {
4692         char                    name[SWM_FUNCNAME_LEN];
4693         void                    (*func)(struct swm_region *r, union arg *);
4694         union arg               args;
4695 } keyfuncs[KF_INVALID + 1] = {
4696         /* name                 function        argument */
4697         { "bar_toggle",         bar_toggle,     {0} },
4698         { "button2",            pressbutton,    {2} },
4699         { "cycle_layout",       cycle_layout,   {0} },
4700         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4701         { "float_toggle",       floating_toggle,{0} },
4702         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4703         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4704         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4705         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4706         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4707         { "iconify",            iconify,        {0} },
4708         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4709         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4710         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4711         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4712         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4713         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4714         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4715         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4716         { "mvws_1",             send_to_ws,     {.id = 0} },
4717         { "mvws_2",             send_to_ws,     {.id = 1} },
4718         { "mvws_3",             send_to_ws,     {.id = 2} },
4719         { "mvws_4",             send_to_ws,     {.id = 3} },
4720         { "mvws_5",             send_to_ws,     {.id = 4} },
4721         { "mvws_6",             send_to_ws,     {.id = 5} },
4722         { "mvws_7",             send_to_ws,     {.id = 6} },
4723         { "mvws_8",             send_to_ws,     {.id = 7} },
4724         { "mvws_9",             send_to_ws,     {.id = 8} },
4725         { "mvws_10",            send_to_ws,     {.id = 9} },
4726         { "mvws_11",            send_to_ws,     {.id = 10} },
4727         { "mvws_12",            send_to_ws,     {.id = 11} },
4728         { "mvws_13",            send_to_ws,     {.id = 12} },
4729         { "mvws_14",            send_to_ws,     {.id = 13} },
4730         { "mvws_15",            send_to_ws,     {.id = 14} },
4731         { "mvws_16",            send_to_ws,     {.id = 15} },
4732         { "mvws_17",            send_to_ws,     {.id = 16} },
4733         { "mvws_18",            send_to_ws,     {.id = 17} },
4734         { "mvws_19",            send_to_ws,     {.id = 18} },
4735         { "mvws_20",            send_to_ws,     {.id = 19} },
4736         { "mvws_21",            send_to_ws,     {.id = 20} },
4737         { "mvws_22",            send_to_ws,     {.id = 21} },
4738         { "name_workspace",     name_workspace, {0} },
4739         { "quit",               quit,           {0} },
4740         { "raise_toggle",       raise_toggle,   {0} },
4741         { "restart",            restart,        {0} },
4742         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4743         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4744         { "search_win",         search_win,     {0} },
4745         { "search_workspace",   search_workspace,       {0} },
4746         { "spawn_custom",       NULL,           {0} },
4747         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4748         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4749         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4750         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4751         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4752         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4753         { "uniconify",          uniconify,      {0} },
4754         { "version",            version,        {0} },
4755         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4756         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4757         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4758         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4759         { "ws_1",               switchws,       {.id = 0} },
4760         { "ws_2",               switchws,       {.id = 1} },
4761         { "ws_3",               switchws,       {.id = 2} },
4762         { "ws_4",               switchws,       {.id = 3} },
4763         { "ws_5",               switchws,       {.id = 4} },
4764         { "ws_6",               switchws,       {.id = 5} },
4765         { "ws_7",               switchws,       {.id = 6} },
4766         { "ws_8",               switchws,       {.id = 7} },
4767         { "ws_9",               switchws,       {.id = 8} },
4768         { "ws_10",              switchws,       {.id = 9} },
4769         { "ws_11",              switchws,       {.id = 10} },
4770         { "ws_12",              switchws,       {.id = 11} },
4771         { "ws_13",              switchws,       {.id = 12} },
4772         { "ws_14",              switchws,       {.id = 13} },
4773         { "ws_15",              switchws,       {.id = 14} },
4774         { "ws_16",              switchws,       {.id = 15} },
4775         { "ws_17",              switchws,       {.id = 16} },
4776         { "ws_18",              switchws,       {.id = 17} },
4777         { "ws_19",              switchws,       {.id = 18} },
4778         { "ws_20",              switchws,       {.id = 19} },
4779         { "ws_21",              switchws,       {.id = 20} },
4780         { "ws_22",              switchws,       {.id = 21} },
4781         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4782         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4783         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4784         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4785         { "ws_prior",           priorws,        {0} },
4786         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4787         { "invalid key func",   NULL,           {0} },
4788 };
4789 struct key {
4790         RB_ENTRY(key)           entry;
4791         unsigned int            mod;
4792         KeySym                  keysym;
4793         enum keyfuncid          funcid;
4794         char                    *spawn_name;
4795 };
4796 RB_HEAD(key_tree, key);
4797
4798 int
4799 key_cmp(struct key *kp1, struct key *kp2)
4800 {
4801         if (kp1->keysym < kp2->keysym)
4802                 return (-1);
4803         if (kp1->keysym > kp2->keysym)
4804                 return (1);
4805
4806         if (kp1->mod < kp2->mod)
4807                 return (-1);
4808         if (kp1->mod > kp2->mod)
4809                 return (1);
4810
4811         return (0);
4812 }
4813
4814 RB_GENERATE(key_tree, key, entry, key_cmp);
4815 struct key_tree                 keys;
4816
4817 /* mouse */
4818 enum { client_click, root_click };
4819 struct button {
4820         unsigned int            action;
4821         unsigned int            mask;
4822         unsigned int            button;
4823         void                    (*func)(struct ws_win *, union arg *);
4824         union arg               args;
4825 } buttons[] = {
4826           /* action     key             mouse button    func    args */
4827         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4828         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4829         { client_click, MODKEY,         Button1,        move,   {0} },
4830 };
4831
4832 void
4833 update_modkey(unsigned int mod)
4834 {
4835         int                     i;
4836         struct key              *kp;
4837
4838         mod_key = mod;
4839         RB_FOREACH(kp, key_tree, &keys)
4840                 if (kp->mod & ShiftMask)
4841                         kp->mod = mod | ShiftMask;
4842                 else
4843                         kp->mod = mod;
4844
4845         for (i = 0; i < LENGTH(buttons); i++)
4846                 if (buttons[i].mask & ShiftMask)
4847                         buttons[i].mask = mod | ShiftMask;
4848                 else
4849                         buttons[i].mask = mod;
4850 }
4851
4852 /* spawn */
4853 struct spawn_prog {
4854         TAILQ_ENTRY(spawn_prog) entry;
4855         char                    *name;
4856         int                     argc;
4857         char                    **argv;
4858 };
4859 TAILQ_HEAD(spawn_list, spawn_prog);
4860 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4861
4862 int
4863 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4864     char ***ret_args)
4865 {
4866         struct spawn_prog       *prog = NULL;
4867         int                     i;
4868         char                    *ap, **real_args;
4869
4870         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4871
4872         /* find program */
4873         TAILQ_FOREACH(prog, &spawns, entry) {
4874                 if (!strcasecmp(spawn_name, prog->name))
4875                         break;
4876         }
4877         if (prog == NULL) {
4878                 warnx("spawn_custom: program %s not found", spawn_name);
4879                 return (-1);
4880         }
4881
4882         /* make room for expanded args */
4883         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4884                 err(1, "spawn_custom: calloc real_args");
4885
4886         /* expand spawn_args into real_args */
4887         for (i = 0; i < prog->argc; i++) {
4888                 ap = prog->argv[i];
4889                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4890                 if (!strcasecmp(ap, "$bar_border")) {
4891                         if ((real_args[i] =
4892                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4893                             == NULL)
4894                                 err(1,  "spawn_custom border color");
4895                 } else if (!strcasecmp(ap, "$bar_color")) {
4896                         if ((real_args[i] =
4897                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4898                             == NULL)
4899                                 err(1, "spawn_custom bar color");
4900                 } else if (!strcasecmp(ap, "$bar_font")) {
4901                         if ((real_args[i] = strdup(bar_fonts))
4902                             == NULL)
4903                                 err(1, "spawn_custom bar fonts");
4904                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4905                         if ((real_args[i] =
4906                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4907                             == NULL)
4908                                 err(1, "spawn_custom color font");
4909                 } else if (!strcasecmp(ap, "$color_focus")) {
4910                         if ((real_args[i] =
4911                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4912                             == NULL)
4913                                 err(1, "spawn_custom color focus");
4914                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4915                         if ((real_args[i] =
4916                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4917                             == NULL)
4918                                 err(1, "spawn_custom color unfocus");
4919                 } else {
4920                         /* no match --> copy as is */
4921                         if ((real_args[i] = strdup(ap)) == NULL)
4922                                 err(1, "spawn_custom strdup(ap)");
4923                 }
4924                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4925                     real_args[i]);
4926         }
4927
4928 #ifdef SWM_DEBUG
4929         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4930         for (i = 0; i < prog->argc; i++)
4931                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4932         DNPRINTF(SWM_D_SPAWN, "\n");
4933 #endif
4934         *ret_args = real_args;
4935         return (prog->argc);
4936 }
4937
4938 void
4939 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4940 {
4941         union arg               a;
4942         char                    **real_args;
4943         int                     spawn_argc, i;
4944
4945         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4946                 return;
4947         a.argv = real_args;
4948         if (fork() == 0)
4949                 spawn(r->ws->idx, &a, 1);
4950
4951         for (i = 0; i < spawn_argc; i++)
4952                 free(real_args[i]);
4953         free(real_args);
4954 }
4955
4956 void
4957 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4958 {
4959         union arg               a;
4960         char                    **real_args;
4961         int                     i, spawn_argc;
4962
4963         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4964                 return;
4965         a.argv = real_args;
4966
4967         if (pipe(select_list_pipe) == -1)
4968                 err(1, "pipe error");
4969         if (pipe(select_resp_pipe) == -1)
4970                 err(1, "pipe error");
4971
4972         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4973                 err(1, "could not disable SIGPIPE");
4974         switch (*pid = fork()) {
4975         case -1:
4976                 err(1, "cannot fork");
4977                 break;
4978         case 0: /* child */
4979                 if (dup2(select_list_pipe[0], 0) == -1)
4980                         err(1, "dup2");
4981                 if (dup2(select_resp_pipe[1], 1) == -1)
4982                         err(1, "dup2");
4983                 close(select_list_pipe[1]);
4984                 close(select_resp_pipe[0]);
4985                 spawn(r->ws->idx, &a, 0);
4986                 break;
4987         default: /* parent */
4988                 close(select_list_pipe[0]);
4989                 close(select_resp_pipe[1]);
4990                 break;
4991         }
4992
4993         for (i = 0; i < spawn_argc; i++)
4994                 free(real_args[i]);
4995         free(real_args);
4996 }
4997
4998 void
4999 spawn_insert(char *name, char *args)
5000 {
5001         char                    *arg, *cp, *ptr;
5002         struct spawn_prog       *sp;
5003
5004         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5005
5006         if ((sp = calloc(1, sizeof *sp)) == NULL)
5007                 err(1, "spawn_insert: malloc");
5008         if ((sp->name = strdup(name)) == NULL)
5009                 err(1, "spawn_insert: strdup");
5010
5011         /* convert the arguments to an argument list */
5012         if ((ptr = cp = strdup(args)) == NULL)
5013                 err(1, "spawn_insert: strdup");
5014         while ((arg = strsep(&ptr, " \t")) != NULL) {
5015                 /* empty field; skip it */
5016                 if (*arg == '\0')
5017                         continue;
5018
5019                 sp->argc++;
5020                 if ((sp->argv = realloc(sp->argv, sp->argc *
5021                     sizeof *sp->argv)) == NULL)
5022                         err(1, "spawn_insert: realloc");
5023                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5024                         err(1, "spawn_insert: strdup");
5025         }
5026         free(cp);
5027
5028         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5029         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5030 }
5031
5032 void
5033 spawn_remove(struct spawn_prog *sp)
5034 {
5035         int                     i;
5036
5037         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5038
5039         TAILQ_REMOVE(&spawns, sp, entry);
5040         for (i = 0; i < sp->argc; i++)
5041                 free(sp->argv[i]);
5042         free(sp->argv);
5043         free(sp->name);
5044         free(sp);
5045
5046         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5047 }
5048
5049 void
5050 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5051 {
5052         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5053
5054         spawn_remove(sp);
5055         spawn_insert(name, args);
5056
5057         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5058 }
5059
5060 void
5061 setspawn(char *name, char *args)
5062 {
5063         struct spawn_prog       *sp;
5064
5065         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5066
5067         if (name == NULL)
5068                 return;
5069
5070         TAILQ_FOREACH(sp, &spawns, entry) {
5071                 if (!strcmp(sp->name, name)) {
5072                         if (*args == '\0')
5073                                 spawn_remove(sp);
5074                         else
5075                                 spawn_replace(sp, name, args);
5076                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5077                         return;
5078                 }
5079         }
5080         if (*args == '\0') {
5081                 warnx("error: setspawn: cannot find program: %s", name);
5082                 return;
5083         }
5084
5085         spawn_insert(name, args);
5086         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5087 }
5088
5089 int
5090 setconfspawn(char *selector, char *value, int flags)
5091 {
5092         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5093
5094         setspawn(selector, value);
5095
5096         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5097         return (0);
5098 }
5099
5100 void
5101 setup_spawn(void)
5102 {
5103         setconfspawn("term",            "xterm",                0);
5104         setconfspawn("spawn_term",      "xterm",                0);
5105         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5106         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5107         setconfspawn("lock",            "xlock",                0);
5108         setconfspawn("initscr",         "initscreen.sh",        0);
5109         setconfspawn("menu",            "dmenu_run"
5110                                         " -fn $bar_font"
5111                                         " -nb $bar_color"
5112                                         " -nf $bar_font_color"
5113                                         " -sb $bar_border"
5114                                         " -sf $bar_color",      0);
5115         setconfspawn("search",          "dmenu"
5116                                         " -i"
5117                                         " -fn $bar_font"
5118                                         " -nb $bar_color"
5119                                         " -nf $bar_font_color"
5120                                         " -sb $bar_border"
5121                                         " -sf $bar_color",      0);
5122         setconfspawn("name_workspace",  "dmenu"
5123                                         " -p Workspace"
5124                                         " -fn $bar_font"
5125                                         " -nb $bar_color"
5126                                         " -nf $bar_font_color"
5127                                         " -sb $bar_border"
5128                                         " -sf $bar_color",      0);
5129 }
5130
5131 /* key bindings */
5132 #define SWM_MODNAME_SIZE        32
5133 #define SWM_KEY_WS              "\n+ \t"
5134 int
5135 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5136 {
5137         char                    *cp, *name;
5138         KeySym                  uks;
5139         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5140         if (mod == NULL || ks == NULL) {
5141                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5142                 return (1);
5143         }
5144         if (keystr == NULL || strlen(keystr) == 0) {
5145                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5146                 return (1);
5147         }
5148         cp = keystr;
5149         *ks = XCB_NO_SYMBOL;
5150         *mod = 0;
5151         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5152                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5153                 if (cp)
5154                         cp += (long)strspn(cp, SWM_KEY_WS);
5155                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5156                         *mod |= currmod;
5157                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5158                         *mod |= Mod1Mask;
5159                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5160                         *mod += Mod2Mask;
5161                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5162                         *mod |= Mod3Mask;
5163                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5164                         *mod |= Mod4Mask;
5165                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5166                         *mod |= ShiftMask;
5167                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5168                         *mod |= ControlMask;
5169                 else {
5170                         *ks = XStringToKeysym(name);
5171                         XConvertCase(*ks, ks, &uks);
5172                         if (ks == XCB_NO_SYMBOL) {
5173                                 DNPRINTF(SWM_D_KEY,
5174                                     "parsekeys: invalid key %s\n",
5175                                     name);
5176                                 return (1);
5177                         }
5178                 }
5179         }
5180         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5181         return (0);
5182 }
5183
5184 char *
5185 strdupsafe(char *str)
5186 {
5187         if (str == NULL)
5188                 return (NULL);
5189         else
5190                 return (strdup(str));
5191 }
5192
5193 void
5194 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5195 {
5196         struct key              *kp;
5197
5198         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5199             keyfuncs[kfid].name, spawn_name);
5200
5201         if ((kp = malloc(sizeof *kp)) == NULL)
5202                 err(1, "key_insert: malloc");
5203
5204         kp->mod = mod;
5205         kp->keysym = ks;
5206         kp->funcid = kfid;
5207         kp->spawn_name = strdupsafe(spawn_name);
5208         RB_INSERT(key_tree, &keys, kp);
5209
5210         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5211 }
5212
5213 struct key *
5214 key_lookup(unsigned int mod, KeySym ks)
5215 {
5216         struct key              kp;
5217
5218         kp.keysym = ks;
5219         kp.mod = mod;
5220
5221         return (RB_FIND(key_tree, &keys, &kp));
5222 }
5223
5224 void
5225 key_remove(struct key *kp)
5226 {
5227         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5228
5229         RB_REMOVE(key_tree, &keys, kp);
5230         free(kp->spawn_name);
5231         free(kp);
5232
5233         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5234 }
5235
5236 void
5237 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5238     char *spawn_name)
5239 {
5240         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5241             spawn_name);
5242
5243         key_remove(kp);
5244         key_insert(mod, ks, kfid, spawn_name);
5245
5246         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5247 }
5248
5249 void
5250 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5251     char *spawn_name)
5252 {
5253         struct key              *kp;
5254
5255         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5256             keyfuncs[kfid].name, spawn_name);
5257
5258         if ((kp = key_lookup(mod, ks)) != NULL) {
5259                 if (kfid == KF_INVALID)
5260                         key_remove(kp);
5261                 else
5262                         key_replace(kp, mod, ks, kfid, spawn_name);
5263                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5264                 return;
5265         }
5266         if (kfid == KF_INVALID) {
5267                 warnx("error: setkeybinding: cannot find mod/key combination");
5268                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5269                 return;
5270         }
5271
5272         key_insert(mod, ks, kfid, spawn_name);
5273         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5274 }
5275
5276 int
5277 setconfbinding(char *selector, char *value, int flags)
5278 {
5279         enum keyfuncid          kfid;
5280         unsigned int            mod;
5281         KeySym                  ks;
5282         struct spawn_prog       *sp;
5283         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5284         if (selector == NULL) {
5285                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5286                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5287                         kfid = KF_INVALID;
5288                         setkeybinding(mod, ks, kfid, NULL);
5289                         return (0);
5290                 } else
5291                         return (1);
5292         }
5293         /* search by key function name */
5294         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5295                 if (strncasecmp(selector, keyfuncs[kfid].name,
5296                     SWM_FUNCNAME_LEN) == 0) {
5297                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5298                             selector);
5299                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5300                                 setkeybinding(mod, ks, kfid, NULL);
5301                                 return (0);
5302                         } else
5303                                 return (1);
5304                 }
5305         }
5306         /* search by custom spawn name */
5307         TAILQ_FOREACH(sp, &spawns, entry) {
5308                 if (strcasecmp(selector, sp->name) == 0) {
5309                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5310                             selector);
5311                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5312                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5313                                     sp->name);
5314                                 return (0);
5315                         } else
5316                                 return (1);
5317                 }
5318         }
5319         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5320         return (1);
5321 }
5322
5323 void
5324 setup_keys(void)
5325 {
5326         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5327         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5328         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5329         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5330         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5331         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5332         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5333         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5334         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5335         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5336         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5337         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5338         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5339         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5340         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5341         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5342         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5343         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5344         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5345         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5346         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5347         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5348         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5349         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5350         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5351         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5352         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5353         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5354         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5355         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5356         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5357         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5358         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5359         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5360         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5361         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5362         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5363         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5364         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5365         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5366         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5367         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5368         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5369         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5370         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5371         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5372         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5373         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5374         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5375         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5376         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5377         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5378         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5379         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5380         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5381         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5382         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5383         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5384         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5385         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5386         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5387         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5388         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5389         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5390         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5391         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5392         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5393         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5394         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5395         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5396         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5397         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5398         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5399         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5400         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5401         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5402         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5403         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5404         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5405         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5406         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5407         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5408         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5409         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5410         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5411         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5412         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5413         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5414         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5415         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5416         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5417         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5418         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5419         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5420         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5421         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5422 #ifdef SWM_DEBUG
5423         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5424 #endif
5425 }
5426
5427 void
5428 clear_keys(void)
5429 {
5430         struct key              *kp;
5431
5432         while (RB_EMPTY(&keys) == 0) {
5433                 kp = RB_ROOT(&keys);
5434                 key_remove(kp);
5435         }
5436 }
5437
5438 int
5439 setkeymapping(char *selector, char *value, int flags)
5440 {
5441         char                    keymapping_file[PATH_MAX];
5442         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5443         if (value[0] == '~')
5444                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5445                     pwd->pw_dir, &value[1]);
5446         else
5447                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5448         clear_keys();
5449         /* load new key bindings; if it fails, revert to default bindings */
5450         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5451                 clear_keys();
5452                 setup_keys();
5453         }
5454         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5455         return (0);
5456 }
5457
5458 void
5459 updatenumlockmask(void)
5460 {
5461         unsigned int                            i, j;
5462         xcb_get_modifier_mapping_reply_t        *modmap_r;
5463         xcb_keycode_t                           *modmap, kc;
5464
5465         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5466         numlockmask = 0;
5467
5468         modmap_r = xcb_get_modifier_mapping_reply(conn,
5469             xcb_get_modifier_mapping(conn),
5470             NULL);
5471         if (modmap_r) {
5472                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5473                 for (i = 0; i < 8; i++) {
5474                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5475                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5476                                     + j];
5477
5478                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5479                                     XK_Num_Lock)))
5480                                         numlockmask = (1 << i);
5481                         }
5482                 }
5483                 free(modmap_r);
5484         }
5485 }
5486
5487 void
5488 grabkeys(void)
5489 {
5490         int                     num_screens;
5491         unsigned int            j, k;
5492         xcb_keycode_t           *code;
5493         unsigned int            modifiers[] =
5494             { 0, LockMask, numlockmask, numlockmask | LockMask };
5495         struct key              *kp;
5496
5497         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5498         updatenumlockmask();
5499
5500         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5501         for (k = 0; k < num_screens; k++) {
5502                 if (TAILQ_EMPTY(&screens[k].rl))
5503                         continue;
5504                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5505                         XCB_MOD_MASK_ANY);
5506                 RB_FOREACH(kp, key_tree, &keys) {
5507                         if ((code = xcb_key_symbols_get_keycode(syms,
5508                                         kp->keysym)))
5509                                 for (j = 0; j < LENGTH(modifiers); j++)
5510                                         xcb_grab_key(conn, True,
5511                                             screens[k].root,
5512                                             kp->mod | modifiers[j],
5513                                             *code, XCB_GRAB_MODE_ASYNC,
5514                                             XCB_GRAB_MODE_ASYNC);
5515                 }
5516         }
5517 }
5518
5519 void
5520 grabbuttons(struct ws_win *win, int focused)
5521 {
5522         unsigned int            i, j;
5523         unsigned int            modifiers[] =
5524             { 0, LockMask, numlockmask, numlockmask|LockMask };
5525
5526         updatenumlockmask();
5527         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5528             XCB_BUTTON_MASK_ANY);
5529         if (focused) {
5530                 for (i = 0; i < LENGTH(buttons); i++)
5531                         if (buttons[i].action == client_click)
5532                                 for (j = 0; j < LENGTH(modifiers); j++)
5533                                         xcb_grab_button(conn, False, win->id,
5534                                             BUTTONMASK,
5535                                             XCB_GRAB_MODE_ASYNC,
5536                                             XCB_GRAB_MODE_SYNC,
5537                                             XCB_WINDOW_NONE,
5538                                             XCB_CURSOR_NONE,
5539                                             buttons[i].button,
5540                                             buttons[i].mask);
5541         } else
5542                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5543                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5544                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5545 }
5546
5547 const char *quirkname[] = {
5548         "NONE",         /* config string for "no value" */
5549         "FLOAT",
5550         "TRANSSZ",
5551         "ANYWHERE",
5552         "XTERM_FONTADJ",
5553         "FULLSCREEN",
5554         "FOCUSPREV",
5555 };
5556
5557 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5558 #define SWM_Q_WS                "\n|+ \t"
5559 int
5560 parsequirks(char *qstr, unsigned long *quirk)
5561 {
5562         char                    *cp, *name;
5563         int                     i;
5564
5565         if (quirk == NULL)
5566                 return (1);
5567
5568         cp = qstr;
5569         *quirk = 0;
5570         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5571                 if (cp)
5572                         cp += (long)strspn(cp, SWM_Q_WS);
5573                 for (i = 0; i < LENGTH(quirkname); i++) {
5574                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5575                                 DNPRINTF(SWM_D_QUIRK,
5576                                     "parsequirks: %s\n", name);
5577                                 if (i == 0) {
5578                                         *quirk = 0;
5579                                         return (0);
5580                                 }
5581                                 *quirk |= 1 << (i-1);
5582                                 break;
5583                         }
5584                 }
5585                 if (i >= LENGTH(quirkname)) {
5586                         DNPRINTF(SWM_D_QUIRK,
5587                             "parsequirks: invalid quirk [%s]\n", name);
5588                         return (1);
5589                 }
5590         }
5591         return (0);
5592 }
5593
5594 void
5595 quirk_insert(const char *class, const char *name, unsigned long quirk)
5596 {
5597         struct quirk            *qp;
5598
5599         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5600             quirk);
5601
5602         if ((qp = malloc(sizeof *qp)) == NULL)
5603                 err(1, "quirk_insert: malloc");
5604         if ((qp->class = strdup(class)) == NULL)
5605                 err(1, "quirk_insert: strdup");
5606         if ((qp->name = strdup(name)) == NULL)
5607                 err(1, "quirk_insert: strdup");
5608
5609         qp->quirk = quirk;
5610         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5611
5612         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5613 }
5614
5615 void
5616 quirk_remove(struct quirk *qp)
5617 {
5618         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5619             qp->name, qp->quirk);
5620
5621         TAILQ_REMOVE(&quirks, qp, entry);
5622         free(qp->class);
5623         free(qp->name);
5624         free(qp);
5625
5626         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5627 }
5628
5629 void
5630 quirk_replace(struct quirk *qp, const char *class, const char *name,
5631     unsigned long quirk)
5632 {
5633         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5634             qp->name, qp->quirk);
5635
5636         quirk_remove(qp);
5637         quirk_insert(class, name, quirk);
5638
5639         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5640 }
5641
5642 void
5643 setquirk(const char *class, const char *name, unsigned long quirk)
5644 {
5645         struct quirk            *qp;
5646
5647         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5648            quirk);
5649
5650         TAILQ_FOREACH(qp, &quirks, entry) {
5651                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5652                         if (!quirk)
5653                                 quirk_remove(qp);
5654                         else
5655                                 quirk_replace(qp, class, name, quirk);
5656                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5657                         return;
5658                 }
5659         }
5660         if (!quirk) {
5661                 warnx("error: setquirk: cannot find class/name combination");
5662                 return;
5663         }
5664
5665         quirk_insert(class, name, quirk);
5666         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5667 }
5668
5669 int
5670 setconfquirk(char *selector, char *value, int flags)
5671 {
5672         char                    *cp, *class, *name;
5673         int                     retval;
5674         unsigned long           quirks;
5675         if (selector == NULL)
5676                 return (0);
5677         if ((cp = strchr(selector, ':')) == NULL)
5678                 return (0);
5679         *cp = '\0';
5680         class = selector;
5681         name = cp + 1;
5682         if ((retval = parsequirks(value, &quirks)) == 0)
5683                 setquirk(class, name, quirks);
5684         return (retval);
5685 }
5686
5687 void
5688 setup_quirks(void)
5689 {
5690         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5691         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5692         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5693         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5694         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5695         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5696         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5697         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5698         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5699         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5700         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5701         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5702         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5703 }
5704
5705 /* conf file stuff */
5706 #define SWM_CONF_FILE           "spectrwm.conf"
5707 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5708
5709 enum {
5710         SWM_S_BAR_ACTION,
5711         SWM_S_BAR_AT_BOTTOM,
5712         SWM_S_BAR_BORDER_WIDTH,
5713         SWM_S_BAR_DELAY,
5714         SWM_S_BAR_ENABLED,
5715         SWM_S_BAR_FONT,
5716         SWM_S_BAR_FORMAT,
5717         SWM_S_BAR_JUSTIFY,
5718         SWM_S_BORDER_WIDTH,
5719         SWM_S_CLOCK_ENABLED,
5720         SWM_S_CLOCK_FORMAT,
5721         SWM_S_CYCLE_EMPTY,
5722         SWM_S_CYCLE_VISIBLE,
5723         SWM_S_DIALOG_RATIO,
5724         SWM_S_DISABLE_BORDER,
5725         SWM_S_FOCUS_CLOSE,
5726         SWM_S_FOCUS_CLOSE_WRAP,
5727         SWM_S_FOCUS_DEFAULT,
5728         SWM_S_FOCUS_MODE,
5729         SWM_S_SPAWN_ORDER,
5730         SWM_S_SPAWN_TERM,
5731         SWM_S_SS_APP,
5732         SWM_S_SS_ENABLED,
5733         SWM_S_STACK_ENABLED,
5734         SWM_S_TERM_WIDTH,
5735         SWM_S_TITLE_CLASS_ENABLED,
5736         SWM_S_TITLE_NAME_ENABLED,
5737         SWM_S_URGENT_ENABLED,
5738         SWM_S_VERBOSE_LAYOUT,
5739         SWM_S_WINDOW_NAME_ENABLED,
5740         SWM_S_WORKSPACE_LIMIT
5741 };
5742
5743 int
5744 setconfvalue(char *selector, char *value, int flags)
5745 {
5746         int     i;
5747         char    *b;
5748
5749         switch (flags) {
5750         case SWM_S_BAR_ACTION:
5751                 free(bar_argv[0]);
5752                 if ((bar_argv[0] = strdup(value)) == NULL)
5753                         err(1, "setconfvalue: bar_action");
5754                 break;
5755         case SWM_S_BAR_AT_BOTTOM:
5756                 bar_at_bottom = atoi(value);
5757                 break;
5758         case SWM_S_BAR_BORDER_WIDTH:
5759                 bar_border_width = atoi(value);
5760                 if (bar_border_width < 0)
5761                         bar_border_width = 0;
5762                 break;
5763         case SWM_S_BAR_DELAY:
5764                 bar_delay = atoi(value);
5765                 break;
5766         case SWM_S_BAR_ENABLED:
5767                 bar_enabled = atoi(value);
5768                 break;
5769         case SWM_S_BAR_FONT:
5770                 b = bar_fonts;
5771                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5772                         err(1, "setconfvalue: asprintf: failed to allocate "
5773                                 "memory for bar_fonts.");
5774
5775                 free(b);
5776                 break;
5777         case SWM_S_BAR_FORMAT:
5778                 free(bar_format);
5779                 if ((bar_format = strdup(value)) == NULL)
5780                         err(1, "setconfvalue: bar_format");
5781                 break;
5782         case SWM_S_BAR_JUSTIFY:
5783                 if (!strcmp(value, "left"))
5784                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5785                 else if (!strcmp(value, "center"))
5786                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5787                 else if (!strcmp(value, "right"))
5788                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5789                 else
5790                         errx(1, "invalid bar_justify");
5791                 break;
5792         case SWM_S_BORDER_WIDTH:
5793                 border_width = atoi(value);
5794                 if (border_width < 0)
5795                         border_width = 0;
5796                 break;
5797         case SWM_S_CLOCK_ENABLED:
5798                 clock_enabled = atoi(value);
5799                 break;
5800         case SWM_S_CLOCK_FORMAT:
5801 #ifndef SWM_DENY_CLOCK_FORMAT
5802                 free(clock_format);
5803                 if ((clock_format = strdup(value)) == NULL)
5804                         err(1, "setconfvalue: clock_format");
5805 #endif
5806                 break;
5807         case SWM_S_CYCLE_EMPTY:
5808                 cycle_empty = atoi(value);
5809                 break;
5810         case SWM_S_CYCLE_VISIBLE:
5811                 cycle_visible = atoi(value);
5812                 break;
5813         case SWM_S_DIALOG_RATIO:
5814                 dialog_ratio = atof(value);
5815                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5816                         dialog_ratio = .6;
5817                 break;
5818         case SWM_S_DISABLE_BORDER:
5819                 disable_border = atoi(value);
5820                 break;
5821         case SWM_S_FOCUS_CLOSE:
5822                 if (!strcmp(value, "first"))
5823                         focus_close = SWM_STACK_BOTTOM;
5824                 else if (!strcmp(value, "last"))
5825                         focus_close = SWM_STACK_TOP;
5826                 else if (!strcmp(value, "next"))
5827                         focus_close = SWM_STACK_ABOVE;
5828                 else if (!strcmp(value, "previous"))
5829                         focus_close = SWM_STACK_BELOW;
5830                 else
5831                         errx(1, "focus_close");
5832                 break;
5833         case SWM_S_FOCUS_CLOSE_WRAP:
5834                 focus_close_wrap = atoi(value);
5835                 break;
5836         case SWM_S_FOCUS_DEFAULT:
5837                 if (!strcmp(value, "last"))
5838                         focus_default = SWM_STACK_TOP;
5839                 else if (!strcmp(value, "first"))
5840                         focus_default = SWM_STACK_BOTTOM;
5841                 else
5842                         errx(1, "focus_default");
5843                 break;
5844         case SWM_S_FOCUS_MODE:
5845                 if (!strcmp(value, "default"))
5846                         focus_mode = SWM_FOCUS_DEFAULT;
5847                 else if (!strcmp(value, "follow_cursor"))
5848                         focus_mode = SWM_FOCUS_FOLLOW;
5849                 else if (!strcmp(value, "synergy"))
5850                         focus_mode = SWM_FOCUS_SYNERGY;
5851                 else
5852                         errx(1, "focus_mode");
5853                 break;
5854         case SWM_S_SPAWN_ORDER:
5855                 if (!strcmp(value, "first"))
5856                         spawn_position = SWM_STACK_BOTTOM;
5857                 else if (!strcmp(value, "last"))
5858                         spawn_position = SWM_STACK_TOP;
5859                 else if (!strcmp(value, "next"))
5860                         spawn_position = SWM_STACK_ABOVE;
5861                 else if (!strcmp(value, "previous"))
5862                         spawn_position = SWM_STACK_BELOW;
5863                 else
5864                         errx(1, "spawn_position");
5865                 break;
5866         case SWM_S_SPAWN_TERM:
5867                 setconfspawn("term", value, 0);
5868                 setconfspawn("spawn_term", value, 0);
5869                 break;
5870         case SWM_S_SS_APP:
5871                 break;
5872         case SWM_S_SS_ENABLED:
5873                 ss_enabled = atoi(value);
5874                 break;
5875         case SWM_S_STACK_ENABLED:
5876                 stack_enabled = atoi(value);
5877                 break;
5878         case SWM_S_TERM_WIDTH:
5879                 term_width = atoi(value);
5880                 if (term_width < 0)
5881                         term_width = 0;
5882                 break;
5883         case SWM_S_TITLE_CLASS_ENABLED:
5884                 title_class_enabled = atoi(value);
5885                 break;
5886         case SWM_S_TITLE_NAME_ENABLED:
5887                 title_name_enabled = atoi(value);
5888                 break;
5889         case SWM_S_URGENT_ENABLED:
5890                 urgent_enabled = atoi(value);
5891                 break;
5892         case SWM_S_VERBOSE_LAYOUT:
5893                 verbose_layout = atoi(value);
5894                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5895                         if (verbose_layout)
5896                                 layouts[i].l_string = fancy_stacker;
5897                         else
5898                                 layouts[i].l_string = plain_stacker;
5899                 }
5900                 break;
5901         case SWM_S_WINDOW_NAME_ENABLED:
5902                 window_name_enabled = atoi(value);
5903                 break;
5904         case SWM_S_WORKSPACE_LIMIT:
5905                 workspace_limit = atoi(value);
5906                 if (workspace_limit > SWM_WS_MAX)
5907                         workspace_limit = SWM_WS_MAX;
5908                 else if (workspace_limit < 1)
5909                         workspace_limit = 1;
5910                 break;
5911         default:
5912                 return (1);
5913         }
5914         return (0);
5915 }
5916
5917 int
5918 setconfmodkey(char *selector, char *value, int flags)
5919 {
5920         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5921                 update_modkey(Mod1Mask);
5922         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5923                 update_modkey(Mod2Mask);
5924         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5925                 update_modkey(Mod3Mask);
5926         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5927                 update_modkey(Mod4Mask);
5928         else
5929                 return (1);
5930         return (0);
5931 }
5932
5933 int
5934 setconfcolor(char *selector, char *value, int flags)
5935 {
5936         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5937         return (0);
5938 }
5939
5940 int
5941 setconfregion(char *selector, char *value, int flags)
5942 {
5943         custom_region(value);
5944         return (0);
5945 }
5946
5947 int
5948 setautorun(char *selector, char *value, int flags)
5949 {
5950         int                     ws_id;
5951         char                    s[1024];
5952         char                    *ap, *sp = s;
5953         union arg               a;
5954         int                     argc = 0;
5955         pid_t                   pid;
5956         struct pid_e            *p;
5957
5958         if (getenv("SWM_STARTED"))
5959                 return (0);
5960
5961         bzero(s, sizeof s);
5962         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5963                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5964         ws_id--;
5965         if (ws_id < 0 || ws_id >= workspace_limit)
5966                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5967
5968         /*
5969          * This is a little intricate
5970          *
5971          * If the pid already exists we simply reuse it because it means it was
5972          * used before AND not claimed by manage_window.  We get away with
5973          * altering it in the parent after INSERT because this can not be a race
5974          */
5975         a.argv = NULL;
5976         while ((ap = strsep(&sp, " \t")) != NULL) {
5977                 if (*ap == '\0')
5978                         continue;
5979                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5980                 argc++;
5981                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5982                         err(1, "setautorun: realloc");
5983                 a.argv[argc - 1] = ap;
5984         }
5985
5986         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5987                 err(1, "setautorun: realloc");
5988         a.argv[argc] = NULL;
5989
5990         if ((pid = fork()) == 0) {
5991                 spawn(ws_id, &a, 1);
5992                 /* NOTREACHED */
5993                 _exit(1);
5994         }
5995         free(a.argv);
5996
5997         /* parent */
5998         p = find_pid(pid);
5999         if (p == NULL) {
6000                 p = calloc(1, sizeof *p);
6001                 if (p == NULL)
6002                         return (1);
6003                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6004         }
6005
6006         p->pid = pid;
6007         p->ws = ws_id;
6008
6009         return (0);
6010 }
6011
6012 int
6013 setlayout(char *selector, char *value, int flags)
6014 {
6015         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6016         int                     st = SWM_V_STACK, num_screens;
6017         char                    s[1024];
6018         struct workspace        *ws;
6019
6020         if (getenv("SWM_STARTED"))
6021                 return (0);
6022
6023         bzero(s, sizeof s);
6024         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6025             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6026                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6027                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6028                     "<type>'");
6029         ws_id--;
6030         if (ws_id < 0 || ws_id >= workspace_limit)
6031                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6032
6033         if (!strcasecmp(s, "vertical"))
6034                 st = SWM_V_STACK;
6035         else if (!strcasecmp(s, "vertical_flip")) {
6036                 st = SWM_V_STACK;
6037                 f = 1;
6038         } else if (!strcasecmp(s, "horizontal"))
6039                 st = SWM_H_STACK;
6040         else if (!strcasecmp(s, "horizontal_flip")) {
6041                 st = SWM_H_STACK;
6042                 f = 1;
6043         } else if (!strcasecmp(s, "fullscreen"))
6044                 st = SWM_MAX_STACK;
6045         else
6046                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6047                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6048                     "<type>'");
6049
6050         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6051         for (i = 0; i < num_screens; i++) {
6052                 ws = (struct workspace *)&screens[i].ws;
6053                 ws[ws_id].cur_layout = &layouts[st];
6054
6055                 ws[ws_id].always_raise = raise;
6056                 if (st == SWM_MAX_STACK)
6057                         continue;
6058
6059                 /* master grow */
6060                 for (x = 0; x < abs(mg); x++) {
6061                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6062                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6063                             SWM_ARG_ID_MASTERSHRINK);
6064                         stack();
6065                 }
6066                 /* master add */
6067                 for (x = 0; x < abs(ma); x++) {
6068                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6069                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6070                             SWM_ARG_ID_MASTERDEL);
6071                         stack();
6072                 }
6073                 /* stack inc */
6074                 for (x = 0; x < abs(si); x++) {
6075                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6076                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6077                             SWM_ARG_ID_STACKDEC);
6078                         stack();
6079                 }
6080                 /* Apply flip */
6081                 if (f) {
6082                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6083                             SWM_ARG_ID_FLIPLAYOUT);
6084                         stack();
6085                 }
6086         }
6087
6088         return (0);
6089 }
6090
6091 /* config options */
6092 struct config_option {
6093         char                    *optname;
6094         int                     (*func)(char*, char*, int);
6095         int                     funcflags;
6096 };
6097 struct config_option configopt[] = {
6098         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6099         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6100         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6101         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6102         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6103         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6104         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6105         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6106         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6107         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6108         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6109         { "keyboard_mapping",           setkeymapping,  0 },
6110         { "bind",                       setconfbinding, 0 },
6111         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6112         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6113         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6114         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6115         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6116         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6117         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6118         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6119         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6120         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6121         { "modkey",                     setconfmodkey,  0 },
6122         { "program",                    setconfspawn,   0 },
6123         { "quirk",                      setconfquirk,   0 },
6124         { "region",                     setconfregion,  0 },
6125         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6126         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6127         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6128         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6129         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6130         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6131         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6132         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6133         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6134         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6135         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6136         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6137         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6138         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6139         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6140         { "autorun",                    setautorun,     0 },
6141         { "layout",                     setlayout,      0 },
6142 };
6143
6144
6145 int
6146 conf_load(char *filename, int keymapping)
6147 {
6148         FILE                    *config;
6149         char                    *line, *cp, *optsub, *optval;
6150         size_t                  linelen, lineno = 0;
6151         int                     wordlen, i, optind;
6152         struct config_option    *opt;
6153
6154         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6155
6156         if (filename == NULL) {
6157                 warnx("conf_load: no filename");
6158                 return (1);
6159         }
6160         if ((config = fopen(filename, "r")) == NULL) {
6161                 warn("conf_load: fopen: %s", filename);
6162                 return (1);
6163         }
6164
6165         while (!feof(config)) {
6166                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6167                     == NULL) {
6168                         if (ferror(config))
6169                                 err(1, "%s", filename);
6170                         else
6171                                 continue;
6172                 }
6173                 cp = line;
6174                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6175                 if (cp[0] == '\0') {
6176                         /* empty line */
6177                         free(line);
6178                         continue;
6179                 }
6180                 /* get config option */
6181                 wordlen = strcspn(cp, "=[ \t\n");
6182                 if (wordlen == 0) {
6183                         warnx("%s: line %zd: no option found",
6184                             filename, lineno);
6185                         goto out;
6186                 }
6187                 optind = -1;
6188                 for (i = 0; i < LENGTH(configopt); i++) {
6189                         opt = &configopt[i];
6190                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6191                             strlen(opt->optname) == wordlen) {
6192                                 optind = i;
6193                                 break;
6194                         }
6195                 }
6196                 if (optind == -1) {
6197                         warnx("%s: line %zd: unknown option %.*s",
6198                             filename, lineno, wordlen, cp);
6199                         goto out;
6200                 }
6201                 if (keymapping && strcmp(opt->optname, "bind")) {
6202                         warnx("%s: line %zd: invalid option %.*s",
6203                             filename, lineno, wordlen, cp);
6204                         goto out;
6205                 }
6206                 cp += wordlen;
6207                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6208                 /* get [selector] if any */
6209                 optsub = NULL;
6210                 if (*cp == '[') {
6211                         cp++;
6212                         wordlen = strcspn(cp, "]");
6213                         if (*cp != ']') {
6214                                 if (wordlen == 0) {
6215                                         warnx("%s: line %zd: syntax error",
6216                                             filename, lineno);
6217                                         goto out;
6218                                 }
6219
6220                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6221                                     -1) {
6222                                         warnx("%s: line %zd: unable to allocate"
6223                                             "memory for selector", filename,
6224                                             lineno);
6225                                         goto out;
6226                                 }
6227                         }
6228                         cp += wordlen;
6229                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6230                 }
6231                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6232                 /* get RHS value */
6233                 optval = strdup(cp);
6234                 /* call function to deal with it all */
6235                 if (configopt[optind].func(optsub, optval,
6236                     configopt[optind].funcflags) != 0)
6237                         errx(1, "%s: line %zd: invalid data for %s",
6238                             filename, lineno, configopt[optind].optname);
6239                 free(optval);
6240                 free(optsub);
6241                 free(line);
6242         }
6243
6244         fclose(config);
6245         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6246
6247         return (0);
6248
6249 out:
6250         free(line);
6251         fclose(config);
6252         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6253
6254         return (1);
6255 }
6256
6257 void
6258 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6259 {
6260         struct ws_win           *parent, *w;
6261         struct swm_region       *r;
6262         struct workspace        *ws;
6263         xcb_icccm_wm_hints_t    wmh;
6264
6265         parent = find_window(win->transient);
6266         if (parent)
6267                 parent->child_trans = win;
6268         else {
6269                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6270                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6271
6272                 r = root_to_region(win->wa->root);
6273                 ws = r->ws;
6274                 /* parent doen't exist in our window list */
6275                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6276                         if (xcb_icccm_get_wm_hints_reply(conn,
6277                             xcb_icccm_get_wm_hints(conn, w->id),
6278                             &wmh, NULL) != 1) {
6279                                 warnx("can't get hints for 0x%x", w->id);
6280                                 continue;
6281                         }
6282
6283                         if (win->hints.window_group != wmh.window_group)
6284                                 continue;
6285
6286                         w->child_trans = win;
6287                         win->transient = w->id;
6288                         *trans = w->id;
6289                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6290                             "transient to 0x%x\n", win->transient);
6291                         break;
6292                 }
6293         }
6294 }
6295
6296 pid_t
6297 window_get_pid(xcb_window_t win)
6298 {
6299         pid_t                           ret = 0;
6300         const char                      *errstr;
6301         xcb_atom_t                      apid;
6302         xcb_get_property_cookie_t       pc;
6303         xcb_get_property_reply_t        *pr;
6304
6305         apid = get_atom_from_string("_NET_WM_PID");
6306         if (apid == XCB_ATOM_NONE)
6307                 goto tryharder;
6308
6309         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6310         pr = xcb_get_property_reply(conn, pc, NULL);
6311         if (!pr)
6312                 goto tryharder;
6313         if (pr->type != XCB_ATOM_CARDINAL) {
6314                 free(pr);
6315                 goto tryharder;
6316         }
6317
6318         ret = *((pid_t *)xcb_get_property_value(pr));
6319         free(pr);
6320
6321         return (ret);
6322
6323 tryharder:
6324         apid = get_atom_from_string("_SWM_PID");
6325         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6326             0, SWM_PROPLEN);
6327         pr = xcb_get_property_reply(conn, pc, NULL);
6328         if (!pr)
6329                 return (0);
6330         if (pr->type != XCB_ATOM_STRING) {
6331                 free(pr);
6332                 return (0);
6333         }
6334
6335         ret = strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6336         free(pr);
6337
6338         return (ret);
6339 }
6340
6341 struct ws_win *
6342 manage_window(xcb_window_t id)
6343 {
6344         xcb_window_t            trans = XCB_WINDOW_NONE;
6345         struct workspace        *ws;
6346         struct ws_win           *win, *ww;
6347         int                     i, ws_idx, border_me = 0;
6348         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6349         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6350         size_t                  proplen;
6351         struct swm_region       *r;
6352         const char              *errstr;
6353         struct pid_e            *p;
6354         struct quirk            *qp;
6355         uint32_t                event_mask;
6356         xcb_atom_t              prot;
6357         xcb_get_property_reply_t        *gpr;
6358         xcb_icccm_get_wm_protocols_reply_t      wpr;
6359
6360         if ((win = find_window(id)) != NULL)
6361                 return (win);   /* already being managed */
6362
6363         /* see if we are on the unmanaged list */
6364         if ((win = find_unmanaged_window(id)) != NULL) {
6365                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6366                     "window: 0x%x\n", win->id);
6367                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6368                 if (win->transient)
6369                         set_child_transient(win, &trans);
6370
6371                 if (trans && (ww = find_window(trans)))
6372                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6373                 else if ((ww = win->ws->focus) &&
6374                     spawn_position == SWM_STACK_ABOVE)
6375                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6376                             win, entry);
6377                 else if (ww && spawn_position == SWM_STACK_BELOW)
6378                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6379                 else switch (spawn_position) {
6380                 default:
6381                 case SWM_STACK_TOP:
6382                 case SWM_STACK_ABOVE:
6383                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6384                         break;
6385                 case SWM_STACK_BOTTOM:
6386                 case SWM_STACK_BELOW:
6387                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6388                 }
6389
6390                 ewmh_update_actions(win);
6391                 return (win);
6392         }
6393
6394         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6395                 err(1, "manage_window: calloc: failed to allocate memory for "
6396                     "new window");
6397
6398         win->id = id;
6399         win->bordered = 0;
6400
6401         /* see if we need to override the workspace */
6402         p = find_pid(window_get_pid(id));
6403
6404         /* Get all the window data in one shot */
6405         ws_idx_atom = get_atom_from_string("_SWM_WS");
6406         if (ws_idx_atom) {
6407                 gpr = xcb_get_property_reply(conn,
6408                         xcb_get_property(conn, False, id, ws_idx_atom,
6409                             XCB_ATOM_STRING, 0, SWM_PROPLEN),
6410                         NULL);
6411                 if (gpr) {
6412                         proplen = xcb_get_property_value_length(gpr);
6413                         if (proplen > 0) {
6414                                 prop = malloc(proplen + 1);
6415                                 if (prop) {
6416                                         memcpy(prop,
6417                                             xcb_get_property_value(gpr),
6418                                             proplen);
6419                                         prop[proplen] = '\0';
6420                                 }
6421                         }
6422                         free(gpr);
6423                 }
6424         }
6425         win->wa = xcb_get_geometry_reply(conn,
6426             xcb_get_geometry(conn, id),
6427             NULL);
6428         xcb_icccm_get_wm_normal_hints_reply(conn,
6429             xcb_icccm_get_wm_normal_hints(conn, id),
6430             &win->sh, NULL);
6431         xcb_icccm_get_wm_hints_reply(conn,
6432             xcb_icccm_get_wm_hints(conn, id),
6433             &win->hints, NULL);
6434         xcb_icccm_get_wm_transient_for_reply(conn,
6435             xcb_icccm_get_wm_transient_for(conn, id),
6436             &trans, NULL);
6437         if (trans) {
6438                 win->transient = trans;
6439                 set_child_transient(win, &trans);
6440                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6441                     "transient: 0x%x\n", win->id, win->transient);
6442         }
6443
6444         prot = get_atom_from_string("WM_PROTOCOLS");
6445
6446         /* get supported protocols */
6447         if (xcb_icccm_get_wm_protocols_reply(conn,
6448             xcb_icccm_get_wm_protocols(conn, id, prot),
6449             &wpr, NULL)) {
6450                 for (i = 0; i < wpr.atoms_len; i++) {
6451                         if (wpr.atoms[i] == a_takefocus)
6452                                 win->take_focus = 1;
6453                         if (wpr.atoms[i] == a_delete)
6454                                 win->can_delete = 1;
6455                 }
6456                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6457         }
6458
6459         win->iconic = get_iconic(win);
6460
6461         /*
6462          * Figure out where to put the window. If it was previously assigned to
6463          * a workspace (either by spawn() or manually moving), and isn't
6464          * transient, * put it in the same workspace
6465          */
6466         r = root_to_region(win->wa->root);
6467         if (p) {
6468                 ws = &r->s->ws[p->ws];
6469                 TAILQ_REMOVE(&pidlist, p, entry);
6470                 free(p);
6471                 p = NULL;
6472         } else if (prop && win->transient == 0) {
6473                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6474                 ws_idx = strtonum(prop, 0, workspace_limit - 1,
6475                     &errstr);
6476                 if (errstr) {
6477                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6478                             errstr, prop);
6479                 }
6480                 ws = &r->s->ws[ws_idx];
6481         } else {
6482                 ws = r->ws;
6483                 /* this should launch transients in the same ws as parent */
6484                 if (id && trans)
6485                         if ((ww = find_window(trans)) != NULL)
6486                                 if (ws->r) {
6487                                         ws = ww->ws;
6488                                         if (ww->ws->r)
6489                                                 r = ww->ws->r;
6490                                         else
6491                                                 warnx("manage_window: fix this "
6492                                                     "bug mcbride");
6493                                         border_me = 1;
6494                                 }
6495         }
6496
6497         /* set up the window layout */
6498         win->id = id;
6499         win->ws = ws;
6500         win->s = r->s;  /* this never changes */
6501         if (trans && (ww = find_window(trans)))
6502                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6503         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6504                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6505                     entry);
6506         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6507                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6508         else switch (spawn_position) {
6509         default:
6510         case SWM_STACK_TOP:
6511         case SWM_STACK_ABOVE:
6512                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6513                 break;
6514         case SWM_STACK_BOTTOM:
6515         case SWM_STACK_BELOW:
6516                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6517         }
6518
6519         /* ignore window border if there is one. */
6520         WIDTH(win) = win->wa->width;
6521         HEIGHT(win) = win->wa->height;
6522         X(win) = win->wa->x + win->wa->border_width;
6523         Y(win) = win->wa->y + win->wa->border_width;
6524         win->bordered = 0;
6525         win->g_floatvalid = 0;
6526         win->floatmaxed = 0;
6527         win->ewmh_flags = 0;
6528
6529         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6530             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6531             HEIGHT(win), ws->idx);
6532
6533         constrain_window(win, r, 0);
6534
6535         /* Set window properties so we can remember this after reincarnation */
6536         if (ws_idx_atom && prop == NULL &&
6537             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6538                 SWM_PROPLEN) {
6539                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6540                     ws_idx_str);
6541                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6542                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6543                     ws_idx_str);
6544         }
6545         if (prop)
6546                 free(prop);
6547
6548         ewmh_autoquirk(win);
6549
6550         if (xcb_icccm_get_wm_class_reply(conn,
6551             xcb_icccm_get_wm_class(conn, win->id),
6552             &win->ch, NULL)) {
6553                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6554                     win->ch.class_name, win->ch.instance_name);
6555
6556                 /* java is retarded so treat it special */
6557                 if (strstr(win->ch.instance_name, "sun-awt")) {
6558                         win->java = 1;
6559                         border_me = 1;
6560                 }
6561
6562                 TAILQ_FOREACH(qp, &quirks, entry) {
6563                         if (!strcmp(win->ch.class_name, qp->class) &&
6564                             !strcmp(win->ch.instance_name, qp->name)) {
6565                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6566                                     "class: %s, name: %s\n", win->ch.class_name,
6567                                     win->ch.instance_name);
6568                                 if (qp->quirk & SWM_Q_FLOAT) {
6569                                         win->floating = 1;
6570                                         border_me = 1;
6571                                 }
6572                                 win->quirks = qp->quirk;
6573                         }
6574                 }
6575         }
6576
6577         /* alter window position if quirky */
6578         if (win->quirks & SWM_Q_ANYWHERE) {
6579                 win->manual = 1; /* don't center the quirky windows */
6580                 if (bar_enabled && Y(win) < bar_height)
6581                         Y(win) = bar_height;
6582                 if (WIDTH(win) + X(win) > WIDTH(r))
6583                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6584                 border_me = 1;
6585         }
6586
6587         /* Reset font sizes (the bruteforce way; no default keybinding). */
6588         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6589                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6590                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6591                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6592                         fake_keypress(win, XK_KP_Add, ShiftMask);
6593         }
6594
6595         ewmh_get_win_state(win);
6596         ewmh_update_actions(win);
6597         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6598
6599         /* border me */
6600         if (border_me) {
6601                 win->bordered = 1;
6602                 X(win) -= border_width;
6603                 Y(win) -= border_width;
6604                 update_window(win);
6605         }
6606
6607         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6608             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6609
6610         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6611
6612         /* floaters need to be mapped if they are in the current workspace */
6613         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6614                 map_window_raised(win->id);
6615
6616         return (win);
6617 }
6618
6619 void
6620 free_window(struct ws_win *win)
6621 {
6622         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6623
6624         if (win == NULL)
6625                 return;
6626
6627         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6628
6629         if (win->wa)
6630                 free(win->wa);
6631
6632         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6633
6634         kill_refs(win);
6635
6636         /* paint memory */
6637         memset(win, 0xff, sizeof *win); /* XXX kill later */
6638
6639         free(win);
6640         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6641 }
6642
6643 void
6644 unmanage_window(struct ws_win *win)
6645 {
6646         struct ws_win           *parent;
6647         xcb_screen_t            *screen;
6648
6649         if (win == NULL)
6650                 return;
6651
6652         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6653
6654         if (win->transient) {
6655                 parent = find_window(win->transient);
6656                 if (parent)
6657                         parent->child_trans = NULL;
6658         }
6659
6660         /* focus on root just in case */
6661         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6662         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6663             screen->root, XCB_CURRENT_TIME);
6664
6665         focus_prev(win);
6666
6667         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6668         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6669 }
6670
6671 void
6672 focus_magic(struct ws_win *win)
6673 {
6674         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6675
6676         if (win == NULL) {
6677                 /* if there are no windows clear the status-bar */
6678                 bar_update();
6679                 return;
6680         }
6681
6682         if (win->child_trans) {
6683                 /* win = parent & has a transient so focus on that */
6684                 if (win->java) {
6685                         focus_win(win->child_trans);
6686                         if (win->child_trans->take_focus)
6687                                 client_msg(win, a_takefocus);
6688                 } else {
6689                         /* make sure transient hasn't disappeared */
6690                         if (validate_win(win->child_trans) == 0) {
6691                                 focus_win(win->child_trans);
6692                                 if (win->child_trans->take_focus)
6693                                         client_msg(win->child_trans,
6694                                             a_takefocus);
6695                         } else {
6696                                 win->child_trans = NULL;
6697                                 focus_win(win);
6698                                 if (win->take_focus)
6699                                         client_msg(win, a_takefocus);
6700                         }
6701                 }
6702         } else {
6703                 /* regular focus */
6704                 focus_win(win);
6705                 if (win->take_focus)
6706                         client_msg(win, a_takefocus);
6707         }
6708 }
6709
6710 void
6711 expose(xcb_expose_event_t *e)
6712 {
6713         int                     i, num_screens;
6714         struct swm_region       *r;
6715
6716         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6717
6718         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6719         for (i = 0; i < num_screens; i++)
6720                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6721                         if (e->window == WINID(r->bar))
6722                                 bar_update();
6723
6724         xcb_flush(conn);
6725 }
6726
6727 void
6728 keypress(xcb_key_press_event_t *e)
6729 {
6730         xcb_keysym_t            keysym;
6731         struct key              *kp;
6732
6733         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
6734
6735         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
6736
6737         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6738                 return;
6739
6740         if (kp->funcid == KF_SPAWN_CUSTOM)
6741                 spawn_custom(root_to_region(e->root),
6742                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
6743         else if (keyfuncs[kp->funcid].func)
6744                 keyfuncs[kp->funcid].func(root_to_region(e->root),
6745                     &(keyfuncs[kp->funcid].args));
6746 }
6747
6748 void
6749 buttonpress(xcb_button_press_event_t *e)
6750 {
6751         struct ws_win           *win;
6752         int                     i, action;
6753
6754         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
6755             e->event, e->detail);
6756
6757         if ((win = find_window(e->event)) == NULL)
6758                 return;
6759
6760         focus_magic(win);
6761         action = client_click;
6762
6763         for (i = 0; i < LENGTH(buttons); i++)
6764                 if (action == buttons[i].action && buttons[i].func &&
6765                     buttons[i].button == e->detail &&
6766                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6767                         buttons[i].func(win, &buttons[i].args);
6768
6769         xcb_flush(conn);
6770 }
6771
6772 void
6773 configurerequest(xcb_configure_request_event_t *e)
6774 {
6775         struct ws_win           *win;
6776         int                     new = 0, i = 0;
6777         uint16_t                mask = 0;
6778         uint32_t                wc[7] = {0};
6779
6780         if ((win = find_window(e->window)) == NULL)
6781                 if ((win = find_unmanaged_window(e->window)) == NULL)
6782                         new = 1;
6783
6784         if (new) {
6785                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6786                         mask |= XCB_CONFIG_WINDOW_X;
6787                         wc[i++] = e->x;
6788                 }
6789                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6790                         mask |= XCB_CONFIG_WINDOW_Y;
6791                         wc[i++] = e->y;
6792                 }
6793                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6794                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6795                         wc[i++] = e->width;
6796                 }
6797                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6798                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6799                         wc[i++] = e->height;
6800                 }
6801                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6802                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6803                         wc[i++] = e->border_width;
6804                 }
6805                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6806                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6807                         wc[i++] = e->sibling;
6808                 }
6809                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6810                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6811                         wc[i++] = e->stack_mode;
6812                 }
6813
6814                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6815                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", e->window,
6816                     YESNO(new), wc[0], wc[1], wc[2], wc[3]);
6817
6818                 xcb_configure_window(conn, e->window, mask, wc);
6819         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6820             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6821                 win->g_float.x = e->x - X(win->ws->r);
6822                 win->g_float.y = e->y - Y(win->ws->r);
6823                 win->g_float.w = e->width;
6824                 win->g_float.h = e->height;
6825                 win->g_floatvalid = 1;
6826
6827                 if (win->floating) {
6828                         win->g = win->g_float;
6829                         win->g.x += X(win->ws->r);
6830                         win->g.y += Y(win->ws->r);
6831                         update_window(win);
6832                 } else {
6833                         config_win(win, e);
6834                 }
6835         } else {
6836                 config_win(win, e);
6837         }
6838
6839         xcb_flush(conn);
6840 }
6841
6842 void
6843 configurenotify(xcb_configure_notify_event_t *e)
6844 {
6845         struct ws_win           *win;
6846
6847         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
6848             e->window);
6849
6850         win = find_window(e->window);
6851         if (win) {
6852                 xcb_icccm_get_wm_normal_hints_reply(conn,
6853                     xcb_icccm_get_wm_normal_hints(conn, win->id),
6854                     &win->sh, NULL);
6855                 adjust_font(win);
6856                 if (font_adjusted)
6857                         stack();
6858         }
6859 }
6860
6861 void
6862 destroynotify(xcb_destroy_notify_event_t *e)
6863 {
6864         struct ws_win           *win;
6865
6866         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
6867
6868         if ((win = find_window(e->window)) == NULL) {
6869                 if ((win = find_unmanaged_window(e->window)) == NULL)
6870                         return;
6871                 free_window(win);
6872                 return;
6873         }
6874
6875         /* make sure we focus on something */
6876         win->floating = 0;
6877
6878         unmanage_window(win);
6879         stack();
6880         free_window(win);
6881 }
6882
6883 void
6884 enternotify(xcb_enter_notify_event_t *e)
6885 {
6886         struct ws_win           *win;
6887         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %d, detail: "
6888             "%d, root: 0x%x, subwindow: 0x%x, same_screen_focus: %s, "
6889             "state: %d\n", e->event, e->mode, e->detail, e->root,
6890             e->child, YESNO(e->same_screen_focus), e->state);
6891
6892         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
6893                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6894                     "cursor grab.\n");
6895                 return;
6896         }
6897
6898         switch (focus_mode) {
6899         case SWM_FOCUS_DEFAULT:
6900                 break;
6901         case SWM_FOCUS_FOLLOW:
6902                 break;
6903         case SWM_FOCUS_SYNERGY:
6904                 break;
6905         }
6906
6907         if ((win = find_window(e->event)) == NULL) {
6908                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6909                 return;
6910         }
6911
6912         focus_magic(win);
6913
6914         xcb_flush(conn);
6915 }
6916
6917 /* lets us use one switch statement for arbitrary mode/detail combinations */
6918 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6919
6920 void
6921 mapnotify(xcb_map_notify_event_t *e)
6922 {
6923         struct ws_win           *win;
6924
6925         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
6926
6927         win = manage_window(e->window);
6928         if (win)
6929                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
6930
6931         /*
6932          * focus_win can only set input focus on a mapped window.
6933          * make sure the window really has focus since it is just being mapped.
6934          */
6935         if (win->ws->focus == win)
6936                 focus_win(win);
6937 }
6938
6939 void
6940 mappingnotify(xcb_mapping_notify_event_t *e)
6941 {
6942         xcb_refresh_keyboard_mapping(syms, e);
6943
6944         if (e->request == XCB_MAPPING_KEYBOARD)
6945                 grabkeys();
6946 }
6947
6948 void
6949 maprequest(xcb_map_request_event_t *e)
6950 {
6951         struct ws_win           *win;
6952         struct swm_region       *r;
6953         xcb_get_window_attributes_reply_t *war;
6954
6955         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
6956             e->window);
6957
6958         war = xcb_get_window_attributes_reply(conn,
6959             xcb_get_window_attributes(conn, e->window),
6960             NULL);
6961         if (!war)
6962                 return;
6963         if (war->override_redirect) {
6964                 free(war);
6965                 return;
6966         }
6967         free(war);
6968
6969         win = manage_window(e->window);
6970         if (win == NULL) {
6971                 return; /* can't happen */
6972         }
6973
6974         stack();
6975
6976         /* make new win focused */
6977         r = root_to_region(win->wa->root);
6978         if (win->ws == r->ws)
6979                 focus_magic(win);
6980 }
6981
6982 void
6983 propertynotify(xcb_property_notify_event_t *e)
6984 {
6985         struct ws_win           *win;
6986 #ifdef SWM_DEBUG
6987         char                            *name;
6988         size_t                          len;
6989         xcb_get_atom_name_reply_t       *r;
6990
6991         r = xcb_get_atom_name_reply(conn,
6992             xcb_get_atom_name(conn, e->atom),
6993             NULL);
6994         if (r) {
6995                 len = xcb_get_atom_name_name_length(r);
6996                 if (len > 0) {
6997                         name = malloc(len + 1);
6998                         if (name) {
6999                                 memcpy(name, xcb_get_atom_name_name(r), len);
7000                                 name[len] = '\0';
7001
7002                                 DNPRINTF(SWM_D_EVENT,
7003                                     "propertynotify: window: 0x%x, atom: %s\n",
7004                                     e->window, name);
7005                                 free(name);
7006                         }
7007                 }
7008                 free(r);
7009         }
7010 #endif
7011
7012         win = find_window(e->window);
7013         if (win == NULL)
7014                 return;
7015
7016         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7017                 update_iconic(win, 0);
7018                 map_window_raised(win->id);
7019                 stack();
7020                 focus_win(win);
7021                 return;
7022         }
7023
7024         switch (e->atom) {
7025         case XCB_ATOM_WM_CLASS:
7026         case XCB_ATOM_WM_NAME:
7027                 bar_update();
7028                 break;
7029         default:
7030                 break;
7031         }
7032 }
7033
7034 void
7035 unmapnotify(xcb_unmap_notify_event_t *e)
7036 {
7037         struct ws_win           *win;
7038
7039         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7040
7041         /* determine if we need to help unmanage this window */
7042         win = find_window(e->window);
7043         if (win == NULL)
7044                 return;
7045
7046         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7047                 unmanage_window(win);
7048                 stack();
7049
7050                 /* resend unmap because we ated it */
7051                 xcb_unmap_window(conn, e->window);
7052                 xcb_flush(conn);
7053         }
7054 }
7055
7056 /*void
7057 visibilitynotify(xcb_visibility_notify_event_t *e)
7058 {
7059         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7060             e->window);
7061 }*/
7062
7063 void
7064 clientmessage(xcb_client_message_event_t *e)
7065 {
7066         struct ws_win *win;
7067
7068         win = find_window(e->window);
7069         if (win == NULL)
7070                 return;
7071         }
7072
7073         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, type: %u\n",
7074             e->window, e->type);
7075
7076         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7077                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7078                 focus_win(win);
7079         }
7080         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7081                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7082                 if (win->can_delete)
7083                         client_msg(win, a_delete);
7084                 else
7085                         xcb_kill_client(conn, win->id);
7086         }
7087         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7088                 DNPRINTF(SWM_D_EVENT,
7089                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7090                 if (win->floating) {
7091                         if (e->data.data32[0] & (1<<8)) /* x */
7092                                 X(win) = e->data.data32[1];
7093                         if (e->data.data32[0] & (1<<9)) /* y */
7094                                 Y(win) = e->data.data32[2];
7095                         if (e->data.data32[0] & (1<<10)) /* width */
7096                                 WIDTH(win) = e->data.data32[3];
7097                         if (e->data.data32[0] & (1<<11)) /* height */
7098                                 HEIGHT(win) = e->data.data32[4];
7099
7100                         update_window(win);
7101                 }
7102                 else {
7103                         /* TODO: Change stack sizes */
7104                         /* notify no change was made. */
7105                         config_win(win, NULL);
7106                 }
7107         }
7108         if (e->type == ewmh[_NET_WM_STATE].atom) {
7109                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7110                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7111                 if (e->data.data32[2])
7112                         ewmh_update_win_state(win, e->data.data32[2],
7113                             e->data.data32[0]);
7114
7115                 stack();
7116         }
7117
7118         xcb_flush(conn);
7119 }
7120
7121 int
7122 xerror_start(Display *d, XErrorEvent *ee)
7123 {
7124         other_wm = 1;
7125         return (-1);
7126 }
7127
7128 int
7129 xerror(Display *d, XErrorEvent *ee)
7130 {
7131         /* warnx("error: %p %p", display, ee); */
7132         return (-1);
7133 }
7134
7135 void
7136 active_wm(void)
7137 {
7138         int                     num_screens, i;
7139         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7140         xcb_screen_t            *sc;
7141
7142         /* this causes an error if some other window manager is running */
7143         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7144         for (i = 0; i < num_screens; i++) {
7145                 sc = get_screen(i);
7146                 xcb_change_window_attributes(conn, sc->root,
7147                         XCB_CW_EVENT_MASK, &val);
7148         }
7149 }
7150
7151 void
7152 new_region(struct swm_screen *s, int x, int y, int w, int h)
7153 {
7154         struct swm_region       *r, *n;
7155         struct workspace        *ws = NULL;
7156         int                     i;
7157
7158         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7159              s->idx, w, h, x, y);
7160
7161         /* remove any conflicting regions */
7162         n = TAILQ_FIRST(&s->rl);
7163         while (n) {
7164                 r = n;
7165                 n = TAILQ_NEXT(r, entry);
7166                 if (X(r) < (x + w) &&
7167                     (X(r) + WIDTH(r)) > x &&
7168                     Y(r) < (y + h) &&
7169                     (Y(r) + HEIGHT(r)) > y) {
7170                         if (r->ws->r != NULL)
7171                                 r->ws->old_r = r->ws->r;
7172                         r->ws->r = NULL;
7173                         bar_cleanup(r);
7174                         TAILQ_REMOVE(&s->rl, r, entry);
7175                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7176                 }
7177         }
7178
7179         /* search old regions for one to reuse */
7180
7181         /* size + location match */
7182         TAILQ_FOREACH(r, &s->orl, entry)
7183                 if (X(r) == x && Y(r) == y &&
7184                     HEIGHT(r) == h && WIDTH(r) == w)
7185                         break;
7186
7187         /* size match */
7188         TAILQ_FOREACH(r, &s->orl, entry)
7189                 if (HEIGHT(r) == h && WIDTH(r) == w)
7190                         break;
7191
7192         if (r != NULL) {
7193                 TAILQ_REMOVE(&s->orl, r, entry);
7194                 /* try to use old region's workspace */
7195                 if (r->ws->r == NULL)
7196                         ws = r->ws;
7197         } else
7198                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7199                         err(1, "new_region: calloc: failed to allocate memory "
7200                             "for screen");
7201
7202         /* if we don't have a workspace already, find one */
7203         if (ws == NULL) {
7204                 for (i = 0; i < workspace_limit; i++)
7205                         if (s->ws[i].r == NULL) {
7206                                 ws = &s->ws[i];
7207                                 break;
7208                         }
7209         }
7210
7211         if (ws == NULL)
7212                 errx(1, "new_region: no free workspaces");
7213
7214         X(r) = x;
7215         Y(r) = y;
7216         WIDTH(r) = w;
7217         HEIGHT(r) = h;
7218         r->s = s;
7219         r->ws = ws;
7220         r->ws_prior = NULL;
7221         ws->r = r;
7222         outputs++;
7223         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7224 }
7225
7226 void
7227 scan_xrandr(int i)
7228 {
7229 #ifdef SWM_XRR_HAS_CRTC
7230         int                                             c;
7231         int                                             ncrtc = 0;
7232 #endif /* SWM_XRR_HAS_CRTC */
7233         struct swm_region                               *r;
7234         int                                             num_screens;
7235         xcb_randr_get_screen_resources_current_cookie_t src;
7236         xcb_randr_get_screen_resources_current_reply_t  *srr;
7237         xcb_randr_get_crtc_info_cookie_t                cic;
7238         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7239         xcb_randr_crtc_t                                *crtc;
7240         xcb_screen_t                                    *screen = get_screen(i);
7241
7242         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7243         if (i >= num_screens)
7244                 errx(1, "scan_xrandr: invalid screen");
7245
7246         /* remove any old regions */
7247         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7248                 r->ws->old_r = r->ws->r = NULL;
7249                 bar_cleanup(r);
7250                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7251                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7252         }
7253         outputs = 0;
7254
7255         /* map virtual screens onto physical screens */
7256 #ifdef SWM_XRR_HAS_CRTC
7257         if (xrandr_support) {
7258                 src = xcb_randr_get_screen_resources_current(conn,
7259                     screens[i].root);
7260                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7261                     NULL);
7262                 if (srr == NULL) {
7263                         new_region(&screens[i], 0, 0,
7264                             screen->width_in_pixels,
7265                             screen->height_in_pixels);
7266                         return;
7267                 } else
7268                         ncrtc = srr->num_crtcs;
7269                 for (c = 0; c < ncrtc; c++) {
7270                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7271                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7272                             XCB_CURRENT_TIME);
7273                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7274                         if (cir == NULL)
7275                                 continue;
7276                         if (cir->num_outputs == 0) {
7277                                 free(cir);
7278                                 continue;
7279                         }
7280
7281                         if (cir->mode == 0)
7282                                 new_region(&screens[i], 0, 0,
7283                                     screen->width_in_pixels,
7284                                     screen->height_in_pixels);
7285                         else
7286                                 new_region(&screens[i],
7287                                     cir->x, cir->y, cir->width, cir->height);
7288                         free(cir);
7289                 }
7290                 free(srr);
7291         } else
7292 #endif /* SWM_XRR_HAS_CRTC */
7293         {
7294                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7295                     screen->height_in_pixels);
7296         }
7297 }
7298
7299 void
7300 screenchange(xcb_randr_screen_change_notify_event_t *e)
7301 {
7302         struct swm_region               *r;
7303         int                             i, num_screens;
7304
7305         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7306
7307         if (e->rotation & (XCB_RANDR_ROTATION_ROTATE_90
7308             | XCB_RANDR_ROTATION_ROTATE_270))
7309                 xcb_randr_set_screen_size(conn, e->root, e->height,
7310                     e->width, e->mheight, e->mwidth);
7311         else
7312                 xcb_randr_set_screen_size(conn, e->root, e->width,
7313                     e->height, e->mwidth, e->mheight);
7314
7315         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7316         /* silly event doesn't include the screen index */
7317         for (i = 0; i < num_screens; i++)
7318                 if (screens[i].root == e->root)
7319                         break;
7320         if (i >= num_screens)
7321                 errx(1, "screenchange: screen not found");
7322
7323         /* brute force for now, just re-enumerate the regions */
7324         scan_xrandr(i);
7325
7326         /* add bars to all regions */
7327         for (i = 0; i < num_screens; i++)
7328                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7329                         bar_setup(r);
7330         stack();
7331 }
7332
7333 void
7334 grab_windows(void)
7335 {
7336         xcb_window_t            *wins   = NULL;
7337         int                     no;
7338         int                     i, j, num_screens;
7339         uint16_t                state, manage;
7340
7341         xcb_query_tree_cookie_t                 qtc;
7342         xcb_query_tree_reply_t                  *qtr;
7343         xcb_get_window_attributes_cookie_t      c;
7344         xcb_get_window_attributes_reply_t       *r;
7345         xcb_get_property_cookie_t               pc;
7346
7347         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7348         for (i = 0; i < num_screens; i++) {
7349                 qtc = xcb_query_tree(conn, screens[i].root);
7350                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7351                 if (!qtr)
7352                         continue;
7353                 wins = xcb_query_tree_children(qtr);
7354                 no = xcb_query_tree_children_length(qtr);
7355                 /* attach windows to a region */
7356                 /* normal windows */
7357                 for (j = 0; j < no; j++) {
7358                         c = xcb_get_window_attributes(conn, wins[j]);
7359                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7360                         if (!r)
7361                                 continue;
7362                         if (r->override_redirect) {
7363                                 free(r);
7364                                 continue;
7365                         }
7366
7367                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7368                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7369                             &wins[j], NULL)) {
7370                                 free(r);
7371                                 continue;
7372                         }
7373
7374                         state = getstate(wins[j]);
7375                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7376                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7377                                 manage_window(wins[j]);
7378                         free(r);
7379                 }
7380                 /* transient windows */
7381                 for (j = 0; j < no; j++) {
7382                         c = xcb_get_window_attributes(conn, wins[j]);
7383                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7384                         if (!r)
7385                                 continue;
7386                         if (r->override_redirect) {
7387                                 free(r);
7388                                 continue;
7389                         }
7390                         free(r);
7391
7392                         state = getstate(wins[j]);
7393                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7394                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7395                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7396                             &wins[j], NULL) && manage)
7397                                 manage_window(wins[j]);
7398                 }
7399                 free(qtr);
7400         }
7401 }
7402
7403 void
7404 setup_screens(void)
7405 {
7406         int                     i, j, k, num_screens;
7407         struct workspace        *ws;
7408         uint32_t                gcv[1], wa[1];
7409         const xcb_query_extension_reply_t *qep;
7410         xcb_cursor_t                            cursor;
7411         xcb_font_t                              cursor_font;
7412         xcb_randr_query_version_cookie_t        c;
7413         xcb_randr_query_version_reply_t         *r;
7414
7415         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7416         if ((screens = calloc(num_screens,
7417              sizeof(struct swm_screen))) == NULL)
7418                 err(1, "setup_screens: calloc: failed to allocate memory for "
7419                     "screens");
7420
7421         /* initial Xrandr setup */
7422         xrandr_support = False;
7423         c = xcb_randr_query_version(conn, True, True);
7424         r = xcb_randr_query_version_reply(conn, c, NULL);
7425         if (r) {
7426                 if (r->major_version >= 1)
7427                         xrandr_support = True;
7428                 free(r);
7429         }
7430         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7431         xrandr_eventbase = qep->first_event;
7432
7433         cursor_font = xcb_generate_id(conn);
7434         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7435
7436         cursor = xcb_generate_id(conn);
7437         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7438                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7439         wa[0] = cursor;
7440
7441         /* map physical screens */
7442         for (i = 0; i < num_screens; i++) {
7443                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7444                 screens[i].idx = i;
7445                 TAILQ_INIT(&screens[i].rl);
7446                 TAILQ_INIT(&screens[i].orl);
7447                 screens[i].root = get_screen(i)->root;
7448
7449                 /* set default colors */
7450                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7451                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7452                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7453                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7454                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7455
7456                 /* create graphics context on screen */
7457                 screens[i].bar_gc = xcb_generate_id(conn);
7458                 gcv[0] = 0;
7459                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7460                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7461
7462                 /* set default cursor */
7463                 xcb_change_window_attributes(conn, screens[i].root,
7464                     XCB_CW_CURSOR, wa);
7465
7466                 /* init all workspaces */
7467                 /* XXX these should be dynamically allocated too */
7468                 for (j = 0; j < SWM_WS_MAX; j++) {
7469                         ws = &screens[i].ws[j];
7470                         ws->idx = j;
7471                         ws->name = NULL;
7472                         ws->focus = NULL;
7473                         ws->r = NULL;
7474                         ws->old_r = NULL;
7475                         TAILQ_INIT(&ws->winlist);
7476                         TAILQ_INIT(&ws->unmanagedlist);
7477
7478                         for (k = 0; layouts[k].l_stack != NULL; k++)
7479                                 if (layouts[k].l_config != NULL)
7480                                         layouts[k].l_config(ws,
7481                                             SWM_ARG_ID_STACKINIT);
7482                         ws->cur_layout = &layouts[0];
7483                         ws->cur_layout->l_string(ws);
7484                 }
7485
7486                 scan_xrandr(i);
7487
7488                 if (xrandr_support)
7489                         xcb_randr_select_input(conn, screens[i].root,
7490                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7491         }
7492         xcb_free_cursor(conn, cursor);
7493         xcb_close_font(conn, cursor_font);
7494 }
7495
7496 void
7497 setup_globals(void)
7498 {
7499         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7500                 err(1, "setup_globals: strdup: failed to allocate memory.");
7501
7502         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7503                 err(1, "setup_globals: strdup: failed to allocate memory.");
7504
7505         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
7506                 errx(1, "unable to allocate key symbols");
7507
7508         a_state = get_atom_from_string("WM_STATE");
7509         a_prot = get_atom_from_string("WM_PROTOCOLS");
7510         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
7511         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7512         a_wmname = get_atom_from_string("WM_NAME");
7513         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7514         a_utf8_string = get_atom_from_string("UTF8_STRING");
7515         a_string = get_atom_from_string("STRING");
7516         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7517 }
7518
7519 void
7520 workaround(void)
7521 {
7522         int                     i, num_screens;
7523         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7524         xcb_window_t            root, win;
7525         uint32_t                wa[2];
7526
7527         /* work around sun jdk bugs, code from wmname */
7528         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7529         netwmname = get_atom_from_string("_NET_WM_NAME");
7530         utf8_string = get_atom_from_string("UTF8_STRING");
7531
7532         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7533         for (i = 0; i < num_screens; i++) {
7534                 root = screens[i].root;
7535
7536                 win = xcb_generate_id(conn);
7537                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7538                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7539                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7540                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7541                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7542
7543                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7544                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7545                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7546                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7547                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7548                     netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7549         }
7550 }
7551
7552 void
7553 event_error(xcb_generic_error_t *e)
7554 {
7555         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
7556             "resource_id: %u, minor_code: %u\n",
7557             xcb_event_get_error_label(e->error_code), e->error_code,
7558             xcb_event_get_request_label(e->major_code), e->major_code,
7559             e->sequence, e->resource_id, e->minor_code);
7560 }
7561
7562 void
7563 event_handle(xcb_generic_event_t *evt)
7564 {
7565         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7566
7567         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
7568             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
7569             XCB_EVENT_RESPONSE_TYPE(evt));
7570
7571         switch (type) {
7572 #define EVENT(type, callback) case type: callback((void *)evt); return
7573         EVENT(0, event_error);
7574         EVENT(XCB_BUTTON_PRESS, buttonpress);
7575         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7576         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
7577         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
7578         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7579         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
7580         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7581         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7582         /*EVENT(XCB_CREATE_NOTIFY, );*/
7583         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7584         EVENT(XCB_ENTER_NOTIFY, enternotify);
7585         EVENT(XCB_EXPOSE, expose);
7586         /*EVENT(XCB_FOCUS_IN, );*/
7587         /*EVENT(XCB_FOCUS_OUT, );*/
7588         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
7589         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
7590         EVENT(XCB_KEY_PRESS, keypress);
7591         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7592         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
7593         /*EVENT(XCB_LEAVE_NOTIFY, );*/
7594         EVENT(XCB_MAP_NOTIFY, mapnotify);
7595         EVENT(XCB_MAP_REQUEST, maprequest);
7596         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7597         /*EVENT(XCB_MOTION_NOTIFY, );*/
7598         /*EVENT(XCB_NO_EXPOSURE, );*/
7599         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7600         /*EVENT(XCB_REPARENT_NOTIFY, );*/
7601         /*EVENT(XCB_RESIZE_REQUEST, );*/
7602         /*EVENT(XCB_SELECTION_CLEAR, );*/
7603         /*EVENT(XCB_SELECTION_NOTIFY, );*/
7604         /*EVENT(XCB_SELECTION_REQUEST, );*/
7605         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7606         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
7607 #undef EVENT
7608         }
7609         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7610                 screenchange((void *)evt);
7611 }
7612
7613 int
7614 main(int argc, char *argv[])
7615 {
7616         struct swm_region       *r, *rr;
7617         struct ws_win           *winfocus = NULL;
7618         union arg               a;
7619         char                    conf[PATH_MAX], *cfile = NULL;
7620         struct stat             sb;
7621         int                     xfd, i, num_screens;
7622         struct sigaction        sact;
7623         xcb_generic_event_t     *evt;
7624         struct timeval          tv;
7625         fd_set                  rd;
7626
7627         time_started = time(NULL);
7628
7629         start_argv = argv;
7630         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7631         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7632             !XSupportsLocale())
7633                 warnx("no locale support");
7634
7635         if (!X_HAVE_UTF8_STRING)
7636                 warnx("no UTF-8 support");
7637
7638         if (!(display = XOpenDisplay(0)))
7639                 errx(1, "can not open display");
7640
7641         /* handle some signals */
7642         bzero(&sact, sizeof(sact));
7643         sigemptyset(&sact.sa_mask);
7644         sact.sa_flags = 0;
7645         sact.sa_handler = sighdlr;
7646         sigaction(SIGINT, &sact, NULL);
7647         sigaction(SIGQUIT, &sact, NULL);
7648         sigaction(SIGTERM, &sact, NULL);
7649         sigaction(SIGHUP, &sact, NULL);
7650
7651         sact.sa_handler = sighdlr;
7652         sact.sa_flags = SA_NOCLDSTOP;
7653         sigaction(SIGCHLD, &sact, NULL);
7654
7655         conn = XGetXCBConnection(display);
7656         if (xcb_connection_has_error(conn))
7657                 errx(1, "can not get XCB connection");
7658
7659         xfd = xcb_get_file_descriptor(conn);
7660
7661         /* look for local and global conf file */
7662         pwd = getpwuid(getuid());
7663         if (pwd == NULL)
7664                 errx(1, "invalid user: %d", getuid());
7665
7666         xcb_grab_server(conn);
7667         xcb_aux_sync(conn);
7668
7669         /* flush all events */
7670         while ((evt = xcb_poll_for_event(conn))) {
7671                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
7672                         event_handle(evt);
7673                 free(evt);
7674         }
7675
7676         active_wm();
7677         xcb_aux_sync(conn);
7678
7679         if (xcb_poll_for_event(conn) != NULL)
7680                 errx(1, "another window manager is currently running");
7681
7682         setup_globals();
7683         setup_screens();
7684         setup_keys();
7685         setup_quirks();
7686         setup_spawn();
7687
7688         /* load config */
7689         for (i = 0; ; i++) {
7690                 conf[0] = '\0';
7691                 switch (i) {
7692                 case 0:
7693                         /* ~ */
7694                         snprintf(conf, sizeof conf, "%s/.%s",
7695                             pwd->pw_dir, SWM_CONF_FILE);
7696                         break;
7697                 case 1:
7698                         /* global */
7699                         snprintf(conf, sizeof conf, "/etc/%s",
7700                             SWM_CONF_FILE);
7701                         break;
7702                 case 2:
7703                         /* ~ compat */
7704                         snprintf(conf, sizeof conf, "%s/.%s",
7705                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7706                         break;
7707                 case 3:
7708                         /* global compat */
7709                         snprintf(conf, sizeof conf, "/etc/%s",
7710                             SWM_CONF_FILE_OLD);
7711                         break;
7712                 default:
7713                         goto noconfig;
7714                 }
7715
7716                 if (strlen(conf) && stat(conf, &sb) != -1)
7717                         if (S_ISREG(sb.st_mode)) {
7718                                 cfile = conf;
7719                                 break;
7720                         }
7721         }
7722 noconfig:
7723
7724         /* load conf (if any) */
7725         if (cfile)
7726                 conf_load(cfile, SWM_CONF_DEFAULT);
7727
7728         setup_ewmh();
7729         /* set some values to work around bad programs */
7730         workaround();
7731         /* grab existing windows (before we build the bars) */
7732         grab_windows();
7733
7734         if (getenv("SWM_STARTED") == NULL)
7735                 setenv("SWM_STARTED", "YES", 1);
7736
7737         /* setup all bars */
7738         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7739         for (i = 0; i < num_screens; i++)
7740                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7741                         if (winfocus == NULL)
7742                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7743                         bar_setup(r);
7744                 }
7745
7746         //unfocus_all();
7747
7748         grabkeys();
7749         stack();
7750
7751         xcb_ungrab_server(conn);
7752         xcb_flush(conn);
7753
7754         while (running) {
7755                 while ((evt = xcb_poll_for_event(conn))) {
7756                         if (running == 0)
7757                                 goto done;
7758                         event_handle(evt);
7759                         free(evt);
7760                 }
7761
7762                 /* if we are being restarted go focus on first window */
7763                 if (winfocus) {
7764                         rr = winfocus->ws->r;
7765                         if (rr == NULL) {
7766                                 /* not a visible window */
7767                                 winfocus = NULL;
7768                                 continue;
7769                         }
7770                         /* move pointer to first screen if multi screen */
7771                         if (num_screens > 1 || outputs > 1)
7772                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7773                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
7774                                     Y(rr) + (bar_enabled ? bar_height : 0));
7775
7776                         a.id = SWM_ARG_ID_FOCUSCUR;
7777                         focus(rr, &a);
7778                         winfocus = NULL;
7779                         continue;
7780                 }
7781
7782                 FD_ZERO(&rd);
7783                 FD_SET(xfd, &rd);
7784                 tv.tv_sec = 1;
7785                 tv.tv_usec = 0;
7786                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7787                         if (errno != EINTR)
7788                                 DNPRINTF(SWM_D_MISC, "select failed");
7789                 if (restart_wm == 1)
7790                         restart(NULL, NULL);
7791                 if (search_resp == 1)
7792                         search_do_resp();
7793                 if (running == 0)
7794                         goto done;
7795                 if (bar_alarm) {
7796                         bar_alarm = 0;
7797                         bar_update();
7798                 }
7799         }
7800 done:
7801         teardown_ewmh();
7802         bar_extra_stop();
7803
7804         for (i = 0; i < num_screens; ++i)
7805                 if (screens[i].bar_gc != 0)
7806                         xcb_free_gc(conn, screens[i].bar_gc);
7807 #if 0
7808         XFreeFontSet(display, bar_fs);
7809 #endif
7810         xcb_key_symbols_free(syms);
7811         xcb_disconnect(conn);
7812
7813         return (0);
7814 }