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/Xlib.h>
  93 #include <X11/extensions/Xrandr.h>
  94 #include <X11/extensions/XTest.h>
  95 #include <xcb/xcb.h>
  96 #include <xcb/xcb_atom.h>
  97 #include <xcb/xcb_aux.h>
  98 #include <xcb/xcb_event.h>
  99 #include <xcb/xcb_icccm.h>
 100 #include <xcb/xcb_keysyms.h>
 101 #include <xcb/xtest.h>
 102 #include <xcb/randr.h>
 103
 104 /* local includes */
 105 #include "version.h"
 106 #ifdef __OSX__
 107 #include <osx.h>
 108 #endif
 109
 110 #ifdef SPECTRWM_BUILDSTR
 111 static const char       *buildstr = SPECTRWM_BUILDSTR;
 112 #else
 113 static const char       *buildstr = SPECTRWM_VERSION;
 114 #endif
 115
 116 #if RANDR_MAJOR < 1
 117 #  error XRandR versions less than 1.0 are not supported
 118 #endif
 119
 120 #if RANDR_MAJOR >= 1
 121 #if RANDR_MINOR >= 2
 122 #define SWM_XRR_HAS_CRTC
 123 #endif
 124 #endif
 125
 126 #if defined(__OpenBSD__)
 127 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 128 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 129 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 130 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 131 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 132 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 133 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 134 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 135 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 136 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 137 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 138 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 139 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 140 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 141 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 142 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 143 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 144 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 145 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 146 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 147 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 148 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 149 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 150 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 151 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 152 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 153 #endif
 154
 155 #define SWM_DEBUG
 156 #ifdef SWM_DEBUG
 157 #define DPRINTF(x...) do {                                                      \
 158         if (swm_debug)                                                          \
 159                 fprintf(stderr, x);                                             \
 160 } while (0)
 161 #define DNPRINTF(n,x...) do {                                                   \
 162         if (swm_debug & n) {                                                    \
 163                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 164                 fprintf(stderr, x);                                             \
 165         }                                                                       \
 166 } while (0)
 167 #define SWM_D_MISC              0x0001
 168 #define SWM_D_EVENT             0x0002
 169 #define SWM_D_WS                0x0004
 170 #define SWM_D_FOCUS             0x0008
 171 #define SWM_D_MOVE              0x0010
 172 #define SWM_D_STACK             0x0020
 173 #define SWM_D_MOUSE             0x0040
 174 #define SWM_D_PROP              0x0080
 175 #define SWM_D_CLASS             0x0100
 176 #define SWM_D_KEY               0x0200
 177 #define SWM_D_QUIRK             0x0400
 178 #define SWM_D_SPAWN             0x0800
 179 #define SWM_D_EVENTQ            0x1000
 180 #define SWM_D_CONF              0x2000
 181 #define SWM_D_BAR               0x4000
 182
 183 u_int32_t               swm_debug = 0
 184                             | SWM_D_MISC
 185                             | SWM_D_EVENT
 186                             | SWM_D_WS
 187                             | SWM_D_FOCUS
 188                             | SWM_D_MOVE
 189                             | SWM_D_STACK
 190                             | SWM_D_MOUSE
 191                             | SWM_D_PROP
 192                             | SWM_D_CLASS
 193                             | SWM_D_KEY
 194                             | SWM_D_QUIRK
 195                             | SWM_D_SPAWN
 196                             | SWM_D_EVENTQ
 197                             | SWM_D_CONF
 198                             | SWM_D_BAR
 199                             ;
 200 #else
 201 #define DPRINTF(x...)
 202 #define DNPRINTF(n,x...)
 203 #endif
 204
 205 #define LENGTH(x)               (int)(sizeof x / sizeof x[0])
 206 #define MODKEY                  Mod1Mask
 207 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 208 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 209 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 210 #define SWM_PROPLEN             (16)
 211 #define SWM_FUNCNAME_LEN        (32)
 212 #define SWM_KEYS_LEN            (255)
 213 #define SWM_QUIRK_LEN           (64)
 214 #define X(r)                    (r)->g.x
 215 #define Y(r)                    (r)->g.y
 216 #define WIDTH(r)                (r)->g.w
 217 #define HEIGHT(r)               (r)->g.h
 218 #define BORDER(w)               (w->bordered ? border_width : 0)
 219 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 220 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 221 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 222 #define SH_MIN_W(w)             (w)->sh.min_width
 223 #define SH_MIN_H(w)             (w)->sh.min_height
 224 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 225 #define SH_MAX_W(w)             (w)->sh.max_width
 226 #define SH_MAX_H(w)             (w)->sh.max_height
 227 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 228 #define SH_INC_W(w)             (w)->sh.width_inc
 229 #define SH_INC_H(w)             (w)->sh.height_inc
 230 #define SWM_MAX_FONT_STEPS      (3)
 231 #define WINID(w)                ((w) ? (w)->id : 0)
 232 #define YESNO(x)                ((x) ? "yes" : "no")
 233
 234 #define SWM_FOCUS_DEFAULT       (0)
 235 #define SWM_FOCUS_SYNERGY       (1)
 236 #define SWM_FOCUS_FOLLOW        (2)
 237
 238 #define SWM_CONF_DEFAULT        (0)
 239 #define SWM_CONF_KEYMAPPING     (1)
 240
 241 #ifndef SWM_LIB
 242 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 243 #endif
 244
 245 char                    **start_argv;
 246 xcb_atom_t              a_state;
 247 xcb_atom_t              a_prot;
 248 xcb_atom_t              a_delete;
 249 xcb_atom_t              a_takefocus;
 250 xcb_atom_t              a_wmname;
 251 xcb_atom_t              a_netwmname;
 252 xcb_atom_t              a_utf8_string;
 253 xcb_atom_t              a_string;
 254 xcb_atom_t              a_swm_iconic;
 255 volatile sig_atomic_t   running = 1;
 256 volatile sig_atomic_t   restart_wm = 0;
 257 int                     outputs = 0;
 258 /*int                   last_focus_event = FocusOut;*/
 259 int                     other_wm;
 260 int                     ss_enabled = 0;
 261 int                     xrandr_support;
 262 int                     xrandr_eventbase;
 263 unsigned int            numlockmask = 0;
 264 xcb_connection_t        *conn;
 265 xcb_key_symbols_t       *syms;
 266
 267 int                     cycle_empty = 0;
 268 int                     cycle_visible = 0;
 269 int                     term_width = 0;
 270 int                     font_adjusted = 0;
 271 unsigned int            mod_key = MODKEY;
 272
 273 /* dmenu search */
 274 struct swm_region       *search_r;
 275 int                     select_list_pipe[2];
 276 int                     select_resp_pipe[2];
 277 pid_t                   searchpid;
 278 volatile sig_atomic_t   search_resp;
 279 int                     search_resp_action;
 280
 281 struct search_window {
 282         TAILQ_ENTRY(search_window)      entry;
 283         int                             idx;
 284         struct ws_win                   *win;
 285         xcb_gcontext_t                  gc;
 286         xcb_window_t                    indicator;
 287 };
 288 TAILQ_HEAD(search_winlist, search_window);
 289 struct search_winlist                   search_wl;
 290
 291 /* search actions */
 292 enum {
 293         SWM_SEARCH_NONE,
 294         SWM_SEARCH_UNICONIFY,
 295         SWM_SEARCH_NAME_WORKSPACE,
 296         SWM_SEARCH_SEARCH_WORKSPACE,
 297         SWM_SEARCH_SEARCH_WINDOW
 298 };
 299
 300 #define SWM_STACK_TOP           (0)
 301 #define SWM_STACK_BOTTOM        (1)
 302 #define SWM_STACK_ABOVE         (2)
 303 #define SWM_STACK_BELOW         (3)
 304
 305 /* dialog windows */
 306 double                  dialog_ratio = 0.6;
 307 /* status bar */
 308 #define SWM_BAR_MAX             (256)
 309 #define SWM_BAR_JUSTIFY_LEFT    (0)
 310 #define SWM_BAR_JUSTIFY_CENTER  (1)
 311 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 312 #define SWM_BAR_OFFSET          (4)
 313 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 314                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 315                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 316                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 317                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 318
 319 char                    *bar_argv[] = { NULL, NULL };
 320 int                     bar_pipe[2];
 321 unsigned char           bar_ext[SWM_BAR_MAX];
 322 char                    bar_vertext[SWM_BAR_MAX];
 323 int                     bar_version = 0;
 324 sig_atomic_t            bar_alarm = 0;
 325 int                     bar_delay = 30;
 326 int                     bar_enabled = 1;
 327 int                     bar_border_width = 1;
 328 int                     bar_at_bottom = 0;
 329 int                     bar_extra = 1;
 330 int                     bar_extra_running = 0;
 331 int                     bar_verbose = 1;
 332 int                     bar_height = 0;
 333 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 334 char                    *bar_format = NULL;
 335 int                     stack_enabled = 1;
 336 int                     clock_enabled = 1;
 337 int                     urgent_enabled = 0;
 338 char                    *clock_format = NULL;
 339 int                     title_name_enabled = 0;
 340 int                     title_class_enabled = 0;
 341 int                     window_name_enabled = 0;
 342 int                     focus_mode = SWM_FOCUS_DEFAULT;
 343 int                     focus_close = SWM_STACK_BELOW;
 344 int                     focus_close_wrap = 1;
 345 int                     focus_default = SWM_STACK_TOP;
 346 int                     spawn_position = SWM_STACK_TOP;
 347 int                     disable_border = 0;
 348 int                     border_width = 1;
 349 int                     verbose_layout = 0;
 350 time_t                  time_started;
 351 pid_t                   bar_pid;
 352 #if 0
 353 XFontSet                bar_fs;
 354 XFontSetExtents         *bar_fs_extents;
 355 #endif
 356 char                    *bar_fonts;
 357 struct passwd           *pwd;
 358
 359 #define SWM_MENU_FN     (2)
 360 #define SWM_MENU_NB     (4)
 361 #define SWM_MENU_NF     (6)
 362 #define SWM_MENU_SB     (8)
 363 #define SWM_MENU_SF     (10)
 364
 365 /* layout manager data */
 366 struct swm_geometry {
 367         int                     x;
 368         int                     y;
 369         int                     w;
 370         int                     h;
 371 };
 372
 373 struct swm_screen;
 374 struct workspace;
 375
 376 struct swm_bar {
 377         xcb_window_t            id;
 378         xcb_pixmap_t            buffer;
 379         struct swm_geometry     g;
 380 };
 381
 382 /* virtual "screens" */
 383 struct swm_region {
 384         TAILQ_ENTRY(swm_region) entry;
 385         struct swm_geometry     g;
 386         struct workspace        *ws;    /* current workspace on this region */
 387         struct workspace        *ws_prior; /* prior workspace on this region */
 388         struct swm_screen       *s;     /* screen idx */
 389         struct swm_bar          *bar;
 390 };
 391 TAILQ_HEAD(swm_region_list, swm_region);
 392
 393 struct ws_win {
 394         TAILQ_ENTRY(ws_win)     entry;
 395         xcb_window_t            id;
 396         xcb_window_t            transient;
 397         struct ws_win           *child_trans;   /* transient child window */
 398         struct swm_geometry     g;              /* current geometry */
 399         struct swm_geometry     g_float;        /* region coordinates */
 400         int                     g_floatvalid;   /* g_float geometry validity */
 401         int                     floatmaxed;     /* whether maxed by max_stack */
 402         int                     floating;
 403         int                     manual;
 404         int32_t                 iconic;
 405         int                     bordered;
 406         unsigned int            ewmh_flags;
 407         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 408         int                     font_steps;
 409         int                     last_inc;
 410         int                     can_delete;
 411         int                     take_focus;
 412         int                     java;
 413         unsigned long           quirks;
 414         struct workspace        *ws;    /* always valid */
 415         struct swm_screen       *s;     /* always valid, never changes */
 416         xcb_get_geometry_reply_t        *wa;
 417         xcb_size_hints_t        sh;
 418         xcb_icccm_get_wm_class_reply_t  ch;
 419         xcb_icccm_wm_hints_t    hints;
 420 };
 421 TAILQ_HEAD(ws_win_list, ws_win);
 422
 423 /* pid goo */
 424 struct pid_e {
 425         TAILQ_ENTRY(pid_e)      entry;
 426         pid_t                   pid;
 427         int                     ws;
 428 };
 429 TAILQ_HEAD(pid_list, pid_e);
 430 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 431
 432 /* layout handlers */
 433 void    stack(void);
 434 void    vertical_config(struct workspace *, int);
 435 void    vertical_stack(struct workspace *, struct swm_geometry *);
 436 void    horizontal_config(struct workspace *, int);
 437 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 438 void    max_stack(struct workspace *, struct swm_geometry *);
 439 void    plain_stacker(struct workspace *);
 440 void    fancy_stacker(struct workspace *);
 441
 442 struct layout {
 443         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 444         void            (*l_config)(struct workspace *, int);
 445         u_int32_t       flags;
 446 #define SWM_L_FOCUSPREV         (1<<0)
 447 #define SWM_L_MAPONFOCUS        (1<<1)
 448         void            (*l_string)(struct workspace *);
 449 } layouts[] =  {
 450         /* stack,               configure */
 451         { vertical_stack,       vertical_config,        0,      plain_stacker },
 452         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 453         { max_stack,            NULL,
 454           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 455         { NULL,                 NULL,                   0,      NULL  },
 456 };
 457
 458 /* position of max_stack mode in the layouts array, index into layouts! */
 459 #define SWM_V_STACK             (0)
 460 #define SWM_H_STACK             (1)
 461 #define SWM_MAX_STACK           (2)
 462
 463 #define SWM_H_SLICE             (32)
 464 #define SWM_V_SLICE             (32)
 465
 466 /* define work spaces */
 467 struct workspace {
 468         int                     idx;            /* workspace index */
 469         char                    *name;          /* workspace name */
 470         int                     always_raise;   /* raise windows on focus */
 471         struct layout           *cur_layout;    /* current layout handlers */
 472         struct ws_win           *focus;         /* may be NULL */
 473         struct ws_win           *focus_prev;    /* may be NULL */
 474         struct swm_region       *r;             /* may be NULL */
 475         struct swm_region       *old_r;         /* may be NULL */
 476         struct ws_win_list      winlist;        /* list of windows in ws */
 477         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 478         char                    stacker[10];    /* display stacker and layout */
 479
 480         /* stacker state */
 481         struct {
 482                                 int horizontal_msize;
 483                                 int horizontal_mwin;
 484                                 int horizontal_stacks;
 485                                 int horizontal_flip;
 486                                 int vertical_msize;
 487                                 int vertical_mwin;
 488                                 int vertical_stacks;
 489                                 int vertical_flip;
 490         } l_state;
 491 };
 492
 493 enum {
 494         SWM_S_COLOR_BAR,
 495         SWM_S_COLOR_BAR_BORDER,
 496         SWM_S_COLOR_BAR_FONT,
 497         SWM_S_COLOR_FOCUS,
 498         SWM_S_COLOR_UNFOCUS,
 499         SWM_S_COLOR_MAX
 500 };
 501
 502 /* physical screen mapping */
 503 #define SWM_WS_MAX              (22)    /* hard limit */
 504 int             workspace_limit = 10;   /* soft limit */
 505
 506 struct swm_screen {
 507         int                     idx;    /* screen index */
 508         struct swm_region_list  rl;     /* list of regions on this screen */
 509         struct swm_region_list  orl;    /* list of old regions */
 510         xcb_window_t            root;
 511         struct workspace        ws[SWM_WS_MAX];
 512
 513         /* colors */
 514         struct {
 515                 uint32_t        color;
 516                 char            *name;
 517         } c[SWM_S_COLOR_MAX];
 518
 519         xcb_gcontext_t          bar_gc;
 520 };
 521 struct swm_screen       *screens;
 522
 523 /* args to functions */
 524 union arg {
 525         int                     id;
 526 #define SWM_ARG_ID_FOCUSNEXT    (0)
 527 #define SWM_ARG_ID_FOCUSPREV    (1)
 528 #define SWM_ARG_ID_FOCUSMAIN    (2)
 529 #define SWM_ARG_ID_FOCUSCUR     (4)
 530 #define SWM_ARG_ID_SWAPNEXT     (10)
 531 #define SWM_ARG_ID_SWAPPREV     (11)
 532 #define SWM_ARG_ID_SWAPMAIN     (12)
 533 #define SWM_ARG_ID_MOVELAST     (13)
 534 #define SWM_ARG_ID_MASTERSHRINK (20)
 535 #define SWM_ARG_ID_MASTERGROW   (21)
 536 #define SWM_ARG_ID_MASTERADD    (22)
 537 #define SWM_ARG_ID_MASTERDEL    (23)
 538 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 539 #define SWM_ARG_ID_STACKRESET   (30)
 540 #define SWM_ARG_ID_STACKINIT    (31)
 541 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 542 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 543 #define SWM_ARG_ID_CYCLESC_UP   (42)
 544 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 545 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 546 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 547 #define SWM_ARG_ID_STACKINC     (50)
 548 #define SWM_ARG_ID_STACKDEC     (51)
 549 #define SWM_ARG_ID_SS_ALL       (60)
 550 #define SWM_ARG_ID_SS_WINDOW    (61)
 551 #define SWM_ARG_ID_DONTCENTER   (70)
 552 #define SWM_ARG_ID_CENTER       (71)
 553 #define SWM_ARG_ID_KILLWINDOW   (80)
 554 #define SWM_ARG_ID_DELETEWINDOW (81)
 555 #define SWM_ARG_ID_WIDTHGROW    (90)
 556 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 557 #define SWM_ARG_ID_HEIGHTGROW   (92)
 558 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 559 #define SWM_ARG_ID_MOVEUP       (100)
 560 #define SWM_ARG_ID_MOVEDOWN     (101)
 561 #define SWM_ARG_ID_MOVELEFT     (102)
 562 #define SWM_ARG_ID_MOVERIGHT    (103)
 563         char                    **argv;
 564 };
 565
 566 /* quirks */
 567 struct quirk {
 568         TAILQ_ENTRY(quirk)      entry;
 569         char                    *class;
 570         char                    *name;
 571         unsigned long           quirk;
 572 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 573 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 574 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 575 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 576 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 577 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 578 };
 579 TAILQ_HEAD(quirk_list, quirk);
 580 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 581
 582 /*
 583  * Supported EWMH hints should be added to
 584  * both the enum and the ewmh array
 585  */
 586 enum {
 587         _NET_ACTIVE_WINDOW,
 588         _NET_CLOSE_WINDOW,
 589         _NET_MOVERESIZE_WINDOW,
 590         _NET_WM_ACTION_CLOSE,
 591         _NET_WM_ACTION_FULLSCREEN,
 592         _NET_WM_ACTION_MOVE,
 593         _NET_WM_ACTION_RESIZE,
 594         _NET_WM_ALLOWED_ACTIONS,
 595         _NET_WM_STATE,
 596         _NET_WM_STATE_ABOVE,
 597         _NET_WM_STATE_FULLSCREEN,
 598         _NET_WM_STATE_HIDDEN,
 599         _NET_WM_STATE_MAXIMIZED_HORZ,
 600         _NET_WM_STATE_MAXIMIZED_VERT,
 601         _NET_WM_STATE_SKIP_PAGER,
 602         _NET_WM_STATE_SKIP_TASKBAR,
 603         _NET_WM_WINDOW_TYPE,
 604         _NET_WM_WINDOW_TYPE_DIALOG,
 605         _NET_WM_WINDOW_TYPE_DOCK,
 606         _NET_WM_WINDOW_TYPE_NORMAL,
 607         _NET_WM_WINDOW_TYPE_SPLASH,
 608         _NET_WM_WINDOW_TYPE_TOOLBAR,
 609         _NET_WM_WINDOW_TYPE_UTILITY,
 610         _SWM_WM_STATE_MANUAL,
 611         SWM_EWMH_HINT_MAX
 612 };
 613
 614 struct ewmh_hint {
 615         char            *name;
 616         xcb_atom_t      atom;
 617 } ewmh[SWM_EWMH_HINT_MAX] =     {
 618     /* must be in same order as in the enum */
 619     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 620     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 621     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 622     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 623     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 624     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 625     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 626     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 627     {"_NET_WM_STATE", XCB_ATOM_NONE},
 628     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 629     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 630     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 631     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 632     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 633     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 634     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 635     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 636     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 637     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 638     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 639     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 640     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 641     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 642     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 643 };
 644
 645 /* function prototypes */
 646 int      conf_load(char *, int);
 647 void     constrain_window(struct ws_win *, struct swm_region *, int);
 648 void     do_sync(void);
 649 void     event_handle(xcb_generic_event_t *);
 650 struct ws_win   *find_window(xcb_window_t);
 651 int      floating_toggle_win(struct ws_win *);
 652 void     focus(struct swm_region *, union arg *);
 653 void     focus_magic(struct ws_win *);
 654 xcb_atom_t get_atom_from_string(const char *);
 655 xcb_screen_t    *get_screen(int);
 656 char    *get_win_name(xcb_window_t);
 657 uint16_t getstate(xcb_window_t);
 658 void     grabbuttons(struct ws_win *, int);
 659 void     map_window_raised(xcb_window_t);
 660 void     new_region(struct swm_screen *, int, int, int, int);
 661 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 662 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 663 void     store_float_geom(struct ws_win *, struct swm_region *);
 664 void     unmanage_window(struct ws_win *);
 665 void     update_window(struct ws_win *);
 666
 667 /* function definitions */
 668 int
 669 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 670 {
 671         unsigned int    tmpr, tmpg, tmpb;
 672
 673         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 674                 return (-1);
 675
 676         *rr = tmpr << 8;
 677         *gg = tmpg << 8;
 678         *bb = tmpb << 8;
 679
 680         return (0);
 681 }
 682
 683 xcb_screen_t *
 684 get_screen(int screen)
 685 {
 686         xcb_screen_iterator_t i;
 687
 688         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 689         for (; i.rem; --screen, xcb_screen_next(&i))
 690                 if (screen == 0)
 691                         return (i.data);
 692
 693         return (NULL);
 694 }
 695
 696 void
 697 do_sync(void)
 698 {
 699         xcb_get_input_focus_cookie_t    c;
 700         xcb_get_input_focus_reply_t     *r;
 701
 702         /* mimic XSync() */
 703         c = xcb_get_input_focus(conn);
 704         xcb_flush(conn);
 705         r = xcb_get_input_focus_reply(conn, c, NULL);
 706         if (r)
 707                 free(r);
 708 }
 709
 710 void
 711 map_window_raised(xcb_window_t win)
 712 {
 713         uint32_t        val = XCB_STACK_MODE_ABOVE;
 714
 715         xcb_configure_window(conn, win,
 716             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 717
 718         xcb_map_window(conn, win);
 719 }
 720
 721 xcb_atom_t
 722 get_atom_from_string(const char *str)
 723 {
 724         xcb_intern_atom_cookie_t        c;
 725         xcb_intern_atom_reply_t         *r;
 726         xcb_atom_t                      atom;
 727
 728         c = xcb_intern_atom(conn, False, strlen(str), str);
 729         r = xcb_intern_atom_reply(conn, c, NULL);
 730         if (r) {
 731                 atom = r->atom;
 732                 free(r);
 733
 734                 return (atom);
 735         }
 736
 737         return (XCB_ATOM_NONE);
 738 }
 739
 740 void
 741 update_iconic(struct ws_win *win, int newv)
 742 {
 743         int32_t                         v = newv;
 744         xcb_atom_t                      iprop;
 745
 746         win->iconic = newv;
 747
 748         iprop = get_atom_from_string("_SWM_ICONIC");
 749         if (iprop == XCB_ATOM_NONE)
 750                 return;
 751
 752         if (newv)
 753                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 754                     iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 755         else
 756                 xcb_delete_property(conn, win->id, iprop);
 757 }
 758
 759 int32_t
 760 get_iconic(struct ws_win *win)
 761 {
 762         int32_t                         v = 0;
 763         xcb_atom_t                      iprop;
 764         xcb_get_property_reply_t        *pr = NULL;
 765
 766         iprop = get_atom_from_string("_SWM_ICONIC");
 767         if (iprop == XCB_ATOM_NONE)
 768                 goto out;
 769
 770         pr = xcb_get_property_reply(conn,
 771             xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 772             0, 1), NULL);
 773         if (!pr)
 774                 goto out;
 775         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 776                 goto out;
 777         v = *((int32_t *)xcb_get_property_value(pr));
 778 out:
 779         if (pr)
 780                 free(pr);
 781         return (v);
 782 }
 783
 784 void
 785 setup_ewmh(void)
 786 {
 787         xcb_atom_t                      sup_list;
 788         int                             i, j, num_screens;
 789
 790         sup_list = get_atom_from_string("_NET_SUPPORTED");
 791
 792         for (i = 0; i < LENGTH(ewmh); i++)
 793                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 794
 795         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 796         for (i = 0; i < num_screens; i++) {
 797                 /* Support check window will be created by workaround(). */
 798
 799                 /* Report supported atoms */
 800                 xcb_delete_property(conn, screens[i].root, sup_list);
 801                 for (j = 0; j < LENGTH(ewmh); j++)
 802                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 803                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 804                             &ewmh[j].atom);
 805         }
 806 }
 807
 808 void
 809 teardown_ewmh(void)
 810 {
 811         int                             i, num_screens;
 812         xcb_atom_t                      sup_check, sup_list;
 813         xcb_window_t                    id;
 814         xcb_get_property_cookie_t       pc;
 815         xcb_get_property_reply_t        *pr;
 816
 817         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 818         sup_list = get_atom_from_string("_NET_SUPPORTED");
 819         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 820
 821         for (i = 0; i < num_screens; i++) {
 822                 /* Get the support check window and destroy it */
 823                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 824                     XCB_ATOM_WINDOW, 0, 1);
 825                 pr = xcb_get_property_reply(conn, pc, NULL);
 826                 if (pr) {
 827                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 828
 829                         xcb_destroy_window(conn, id);
 830                         xcb_delete_property(conn, screens[i].root, sup_check);
 831                         xcb_delete_property(conn, screens[i].root, sup_list);
 832
 833                         free(pr);
 834                 }
 835         }
 836 }
 837
 838 void
 839 ewmh_autoquirk(struct ws_win *win)
 840 {
 841         uint32_t                i, n;
 842         xcb_atom_t              *type;
 843         xcb_get_property_cookie_t       c;
 844         xcb_get_property_reply_t        *r;
 845
 846         c = xcb_get_property(conn, False, win->id,
 847             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 848         r = xcb_get_property_reply(conn, c, NULL);
 849         if (!r)
 850                 return;
 851
 852         n = xcb_get_property_value_length(r);
 853         type = xcb_get_property_value(r);
 854
 855         for (i = 0; i < n; i++) {
 856                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 857                         break;
 858                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 859                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 860                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 861                         win->floating = 1;
 862                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 863                         break;
 864                 }
 865                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 866                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 867                         win->floating = 1;
 868                         win->quirks = SWM_Q_FLOAT;
 869                         break;
 870                 }
 871         }
 872         free(r);
 873 }
 874
 875 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 876 #define EWMH_F_FULLSCREEN               (1<<0)
 877 #define EWMH_F_ABOVE                    (1<<1)
 878 #define EWMH_F_HIDDEN                   (1<<2)
 879 #define EWMH_F_SKIP_PAGER               (1<<3)
 880 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 881 #define SWM_F_MANUAL                    (1<<5)
 882
 883 int
 884 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 885 {
 886         if (!win->ws->r)
 887                 return (0);
 888
 889         if (!win->floating)
 890                 return (0);
 891
 892         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 893             "fullscreen %s\n", win->id, YESNO(fs));
 894
 895         if (fs) {
 896                 if (!win->g_floatvalid)
 897                         store_float_geom(win, win->ws->r);
 898
 899                 win->g = win->ws->r->g;
 900                 win->bordered = 0;
 901         } else {
 902                 if (win->g_floatvalid) {
 903                         /* refloat at last floating relative position */
 904                         win->g = win->g_float;
 905                         X(win) += X(win->ws->r);
 906                         Y(win) += Y(win->ws->r);
 907                 }
 908         }
 909
 910         return (1);
 911 }
 912
 913 void
 914 ewmh_update_actions(struct ws_win *win)
 915 {
 916         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 917         int                     n = 0;
 918
 919         if (win == NULL)
 920                 return;
 921
 922         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 923
 924         if (win->floating) {
 925                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 926                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 927         }
 928
 929         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 930             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
 931 }
 932
 933 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 934 #define _NET_WM_STATE_ADD       1    /* add/set property */
 935 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 936
 937 void
 938 ewmh_update_win_state(struct ws_win *win, long state, long action)
 939 {
 940         unsigned int            mask = 0;
 941         unsigned int            changed = 0;
 942         unsigned int            orig_flags;
 943
 944         if (win == NULL)
 945                 return;
 946
 947         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 948                 mask = EWMH_F_FULLSCREEN;
 949         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 950                 mask = EWMH_F_ABOVE;
 951         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 952                 mask = SWM_F_MANUAL;
 953         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 954                 mask = EWMH_F_SKIP_PAGER;
 955         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 956                 mask = EWMH_F_SKIP_TASKBAR;
 957
 958
 959         orig_flags = win->ewmh_flags;
 960
 961         switch (action) {
 962         case _NET_WM_STATE_REMOVE:
 963                 win->ewmh_flags &= ~mask;
 964                 break;
 965         case _NET_WM_STATE_ADD:
 966                 win->ewmh_flags |= mask;
 967                 break;
 968         case _NET_WM_STATE_TOGGLE:
 969                 win->ewmh_flags ^= mask;
 970                 break;
 971         }
 972
 973         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 974
 975         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 976                 if (changed)
 977                         if (!floating_toggle_win(win))
 978                                 win->ewmh_flags = orig_flags; /* revert */
 979         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 980                 if (changed)
 981                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 982         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 983                 if (changed)
 984                         if (!ewmh_set_win_fullscreen(win,
 985                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 986                                 win->ewmh_flags = orig_flags; /* revert */
 987
 988         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 989
 990         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 991                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 992                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 993                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 994         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 995                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 996                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 997                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 998         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 999                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1000                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1001                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1002         if (win->ewmh_flags & EWMH_F_ABOVE)
1003                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1004                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1005                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1006         if (win->ewmh_flags & SWM_F_MANUAL)
1007                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1008                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1009                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1010 }
1011
1012 void
1013 ewmh_get_win_state(struct ws_win *win)
1014 {
1015         xcb_atom_t                      *states;
1016         xcb_get_property_cookie_t       c;
1017         xcb_get_property_reply_t        *r;
1018         int                             i, n;
1019
1020         if (win == NULL)
1021                 return;
1022
1023         win->ewmh_flags = 0;
1024         if (win->floating)
1025                 win->ewmh_flags |= EWMH_F_ABOVE;
1026         if (win->manual)
1027                 win->ewmh_flags |= SWM_F_MANUAL;
1028
1029         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1030             XCB_ATOM_ATOM, 0, UINT32_MAX);
1031         r = xcb_get_property_reply(conn, c, NULL);
1032         if (!r)
1033                 return;
1034
1035         states = xcb_get_property_value(r);
1036         n = xcb_get_property_value_length(r);
1037
1038         for (i = 0; i < n; i++)
1039                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1040
1041         free(r);
1042 }
1043
1044 /* events */
1045 #ifdef SWM_DEBUG
1046 void
1047 dumpwins(struct swm_region *r, union arg *args)
1048 {
1049         struct ws_win                           *win;
1050         uint16_t                                state;
1051         xcb_get_window_attributes_cookie_t      c;
1052         xcb_get_window_attributes_reply_t       *wa;
1053
1054         if (r->ws == NULL) {
1055                 warnx("dumpwins: invalid workspace");
1056                 return;
1057         }
1058
1059         warnx("=== managed window list ws %02d ===", r->ws->idx);
1060         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1061                 state = getstate(win->id);
1062                 c = xcb_get_window_attributes(conn, win->id);
1063                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1064                 if (wa) {
1065                         warnx("window: 0x%x, map_state: %d, state: %u, "
1066                             "transient: 0x%x", win->id, wa->map_state,
1067                             state, win->transient);
1068                         free(wa);
1069                 } else
1070                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1071                             win->id);
1072         }
1073
1074         warnx("===== unmanaged window list =====");
1075         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1076                 state = getstate(win->id);
1077                 c = xcb_get_window_attributes(conn, win->id);
1078                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1079                 if (wa) {
1080                         warnx("window: 0x%x, map_state: %d, state: %u, "
1081                             "transient: 0x%x", win->id, wa->map_state,
1082                             state, win->transient);
1083                         free(wa);
1084                 } else
1085                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1086                             win->id);
1087         }
1088
1089         warnx("=================================");
1090 }
1091 #else
1092 void
1093 dumpwins(struct swm_region *r, union arg *args)
1094 {
1095 }
1096 #endif /* SWM_DEBUG */
1097
1098 void                    event_error(xcb_generic_error_t *);
1099 void                    expose(xcb_expose_event_t *);
1100 void                    keypress(xcb_key_press_event_t *);
1101 void                    buttonpress(xcb_button_press_event_t *);
1102 void                    configurerequest(xcb_configure_request_event_t *);
1103 void                    configurenotify(xcb_configure_notify_event_t *);
1104 void                    destroynotify(xcb_destroy_notify_event_t *);
1105 void                    enternotify(xcb_enter_notify_event_t *);
1106 void                    mapnotify(xcb_map_notify_event_t *);
1107 void                    mappingnotify(xcb_mapping_notify_event_t *);
1108 void                    maprequest(xcb_map_request_event_t *);
1109 void                    propertynotify(xcb_property_notify_event_t *);
1110 void                    unmapnotify(xcb_unmap_notify_event_t *);
1111 /*void                  visibilitynotify(xcb_visibility_notify_event_t *);*/
1112 void                    clientmessage(xcb_client_message_event_t *);
1113 void                    screenchange(xcb_randr_screen_change_notify_event_t *);
1114
1115 void
1116 sighdlr(int sig)
1117 {
1118         int                     saved_errno, status;
1119         pid_t                   pid;
1120
1121         saved_errno = errno;
1122
1123         switch (sig) {
1124         case SIGCHLD:
1125                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1126                         if (pid == -1) {
1127                                 if (errno == EINTR)
1128                                         continue;
1129 #ifdef SWM_DEBUG
1130                                 if (errno != ECHILD)
1131                                         warn("sighdlr: waitpid");
1132 #endif /* SWM_DEBUG */
1133                                 break;
1134                         }
1135                         if (pid == searchpid)
1136                                 search_resp = 1;
1137
1138 #ifdef SWM_DEBUG
1139                         if (WIFEXITED(status)) {
1140                                 if (WEXITSTATUS(status) != 0)
1141                                         warnx("sighdlr: child exit status: %d",
1142                                             WEXITSTATUS(status));
1143                         } else
1144                                 warnx("sighdlr: child is terminated "
1145                                     "abnormally");
1146 #endif /* SWM_DEBUG */
1147                 }
1148                 break;
1149
1150         case SIGHUP:
1151                 restart_wm = 1;
1152                 break;
1153         case SIGINT:
1154         case SIGTERM:
1155         case SIGQUIT:
1156                 running = 0;
1157                 break;
1158         }
1159
1160         errno = saved_errno;
1161 }
1162
1163 struct pid_e *
1164 find_pid(pid_t pid)
1165 {
1166         struct pid_e            *p = NULL;
1167
1168         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1169
1170         if (pid == 0)
1171                 return (NULL);
1172
1173         TAILQ_FOREACH(p, &pidlist, entry) {
1174                 if (p->pid == pid)
1175                         return (p);
1176         }
1177
1178         return (NULL);
1179 }
1180
1181 uint32_t
1182 name_to_color(const char *colorname)
1183 {
1184         uint32_t                        result = 0;
1185         char                            cname[32] = "#";
1186         xcb_screen_t                    *screen;
1187         xcb_colormap_t                  cmap;
1188         xcb_alloc_color_reply_t         *cr;
1189         xcb_alloc_named_color_reply_t   *nr;
1190         uint16_t                        rr, gg, bb;
1191
1192         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1193         cmap = screen->default_colormap;
1194
1195         /* color is in format rgb://rr/gg/bb */
1196         if (strncmp(colorname, "rgb:", 4) == 0) {
1197                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1198                         warnx("could not parse rgb %s", colorname);
1199                 else {
1200                         cr = xcb_alloc_color_reply(conn,
1201                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1202                             NULL);
1203                         if (cr) {
1204                                 result = cr->pixel;
1205                                 free(cr);
1206                         } else
1207                                 warnx("color '%s' not found", colorname);
1208                 }
1209         } else {
1210                 nr = xcb_alloc_named_color_reply(conn,
1211                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1212                             colorname), NULL);
1213                 if (!nr) {
1214                         strlcat(cname, colorname + 2, sizeof cname - 1);
1215                         nr = xcb_alloc_named_color_reply(conn,
1216                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1217                             cname), NULL);
1218                 }
1219                 if (nr) {
1220                         result = nr->pixel;
1221                         free(nr);
1222                 } else
1223                         warnx("color '%s' not found", colorname);
1224         }
1225
1226         return (result);
1227 }
1228
1229 void
1230 setscreencolor(char *val, int i, int c)
1231 {
1232         int     num_screens;
1233
1234         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1235         if (i > 0 && i <= num_screens) {
1236                 screens[i - 1].c[c].color = name_to_color(val);
1237                 free(screens[i - 1].c[c].name);
1238                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1239                         err(1, "strdup");
1240         } else if (i == -1) {
1241                 for (i = 0; i < num_screens; i++) {
1242                         screens[i].c[c].color = name_to_color(val);
1243                         free(screens[i].c[c].name);
1244                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1245                                 err(1, "strdup");
1246                 }
1247         } else
1248                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1249                     i, num_screens);
1250 }
1251
1252 void
1253 fancy_stacker(struct workspace *ws)
1254 {
1255         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1256         if (ws->cur_layout->l_stack == vertical_stack)
1257                 snprintf(ws->stacker, sizeof ws->stacker,
1258                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1259                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1260         if (ws->cur_layout->l_stack == horizontal_stack)
1261                 snprintf(ws->stacker, sizeof ws->stacker,
1262                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1263                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1264 }
1265
1266 void
1267 plain_stacker(struct workspace *ws)
1268 {
1269         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1270         if (ws->cur_layout->l_stack == vertical_stack)
1271                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1272                     sizeof ws->stacker);
1273         if (ws->cur_layout->l_stack == horizontal_stack)
1274                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1275                     sizeof ws->stacker);
1276 }
1277
1278 void
1279 custom_region(char *val)
1280 {
1281         unsigned int                    sidx, x, y, w, h;
1282         int                             num_screens;
1283         xcb_screen_t                    *screen;
1284
1285         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1286         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1287                 errx(1, "invalid custom region, "
1288                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1289         if (sidx < 1 || sidx > num_screens)
1290                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1291                     sidx, num_screens);
1292         sidx--;
1293
1294         screen = get_screen(sidx);
1295         if (w < 1 || h < 1)
1296                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1297
1298         if (x > screen->width_in_pixels ||
1299             y > screen->height_in_pixels ||
1300             w + x > screen->width_in_pixels ||
1301             h + y > screen->height_in_pixels) {
1302                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1303                     "boundaries (%ux%u)", w, h, x, y,
1304                     screen->width_in_pixels, screen->height_in_pixels);
1305                 return;
1306         }
1307
1308         new_region(&screens[sidx], x, y, w, h);
1309 }
1310
1311 void
1312 socket_setnonblock(int fd)
1313 {
1314         int                     flags;
1315
1316         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1317                 err(1, "fcntl F_GETFL");
1318         flags |= O_NONBLOCK;
1319         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1320                 err(1, "fcntl F_SETFL");
1321 }
1322
1323 void
1324 bar_print(struct swm_region *r, const char *s)
1325 {
1326         int                     x = 0;
1327         size_t                  len;
1328         xcb_rectangle_t         rect;
1329         uint32_t                gcv[1];
1330         XRectangle              ibox, lbox;
1331
1332         len = strlen(s);
1333         /* FIXME fix bar font position calculations */
1334 #if 0
1335         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1336
1337         switch (bar_justify) {
1338         case SWM_BAR_JUSTIFY_LEFT:
1339                 x = SWM_BAR_OFFSET;
1340                 break;
1341         case SWM_BAR_JUSTIFY_CENTER:
1342                 x = (WIDTH(r) - lbox.width) / 2;
1343                 break;
1344         case SWM_BAR_JUSTIFY_RIGHT:
1345                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1346                 break;
1347         }
1348
1349         if (x < SWM_BAR_OFFSET)
1350                 x = SWM_BAR_OFFSET;
1351 #endif
1352
1353         rect.x = 0;
1354         rect.y = 0;
1355         rect.width = WIDTH(r->bar);
1356         rect.height = HEIGHT(r->bar);
1357
1358         /* clear back buffer */
1359         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1360         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1361         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1362             sizeof(rect), &rect);
1363
1364         /* draw back buffer */
1365         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1366         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_BACKGROUND, gcv);
1367         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1368         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1369 #if 0
1370         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1371             (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1372             lbox.y, s);
1373 #else
1374         /* workaround */
1375         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, 4, 14, s);
1376 #endif
1377
1378         /* blt */
1379         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1380             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1381 }
1382
1383 void
1384 bar_extra_stop(void)
1385 {
1386         if (bar_pipe[0]) {
1387                 close(bar_pipe[0]);
1388                 bzero(bar_pipe, sizeof bar_pipe);
1389         }
1390         if (bar_pid) {
1391                 kill(bar_pid, SIGTERM);
1392                 bar_pid = 0;
1393         }
1394         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1395         bar_extra = 0;
1396 }
1397
1398 void
1399 bar_class_name(char *s, size_t sz, struct swm_region *r)
1400 {
1401         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1402                 return;
1403         if (r->ws->focus->ch.class_name != NULL)
1404                 strlcat(s, r->ws->focus->ch.class_name, sz);
1405 }
1406
1407 void
1408 bar_title_name(char *s, size_t sz, struct swm_region *r)
1409 {
1410         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1411                 return;
1412         if (r->ws->focus->ch.instance_name != NULL)
1413                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1414 }
1415
1416 void
1417 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1418 {
1419         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1420                 return;
1421
1422         bar_class_name(s, sz, r);
1423         strlcat(s, ":", sz);
1424         bar_title_name(s, sz, r);
1425 }
1426
1427 void
1428 bar_window_float(char *s, size_t sz, struct swm_region *r)
1429 {
1430         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1431                 return;
1432         if (r->ws->focus->floating)
1433                 strlcat(s, "(f)", sz);
1434 }
1435
1436 void
1437 bar_window_name(char *s, size_t sz, struct swm_region *r)
1438 {
1439         char            *title;
1440
1441         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1442                 return;
1443         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1444                 return;
1445
1446         strlcat(s, title, sz);
1447         free(title);
1448 }
1449
1450 int             urgent[SWM_WS_MAX];
1451 void
1452 bar_urgent(char *s, size_t sz)
1453 {
1454         struct ws_win           *win;
1455         int                     i, j, num_screens;
1456         char                    b[8];
1457         xcb_get_property_cookie_t       c;
1458         xcb_icccm_wm_hints_t    hints;
1459
1460         for (i = 0; i < workspace_limit; i++)
1461                 urgent[i] = 0;
1462
1463         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1464         for (i = 0; i < num_screens; i++)
1465                 for (j = 0; j < workspace_limit; j++)
1466                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1467                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1468                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1469                                     &hints, NULL) == 0)
1470                                         continue;
1471                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1472                                         urgent[j] = 1;
1473                         }
1474
1475         for (i = 0; i < workspace_limit; i++) {
1476                 if (urgent[i])
1477                         snprintf(b, sizeof b, "%d ", i + 1);
1478                 else
1479                         snprintf(b, sizeof b, "- ");
1480                 strlcat(s, b, sz);
1481         }
1482 }
1483
1484 void
1485 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1486 {
1487         if (r == NULL || r->ws == NULL)
1488                 return;
1489         if (r->ws->name != NULL)
1490                 strlcat(s, r->ws->name, sz);
1491 }
1492
1493 /* build the default bar format according to the defined enabled options */
1494 void
1495 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1496 {
1497         /* if format provided, just copy the buffers */
1498         if (bar_format != NULL) {
1499                 strlcpy(fmtnew, fmtexp, sz);
1500                 return;
1501         }
1502
1503         /* reset the output buffer */
1504         *fmtnew = '\0';
1505
1506         strlcat(fmtnew, "+N:+I ", sz);
1507         if (stack_enabled)
1508                 strlcat(fmtnew, "+S", sz);
1509         strlcat(fmtnew, " ", sz);
1510
1511         /* only show the workspace name if there's actually one */
1512         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1513                 strlcat(fmtnew, "<+D>", sz);
1514         strlcat(fmtnew, "+3<", sz);
1515
1516         if (clock_enabled) {
1517                 strlcat(fmtnew, fmtexp, sz);
1518                 strlcat(fmtnew, "+4<", sz);
1519         }
1520
1521         /* bar_urgent already adds the space before the last asterisk */
1522         if (urgent_enabled)
1523                 strlcat(fmtnew, "* +U*+4<", sz);
1524
1525         if (title_class_enabled) {
1526                 strlcat(fmtnew, "+C", sz);
1527                 if (title_name_enabled == 0)
1528                         strlcat(fmtnew, "+4<", sz);
1529         }
1530
1531         /* checks needed by the colon and floating strlcat(3) calls below */
1532         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1533                 if (title_name_enabled) {
1534                         if (title_class_enabled)
1535                                 strlcat(fmtnew, ":", sz);
1536                         strlcat(fmtnew, "+T+4<", sz);
1537                 }
1538                 if (window_name_enabled) {
1539                         if (r->ws->focus->floating)
1540                                 strlcat(fmtnew, "+F ", sz);
1541                         strlcat(fmtnew, "+64W ", sz);
1542                 }
1543         }
1544
1545         /* finally add the action script output and the version */
1546         strlcat(fmtnew, "+4<+A+4<+V", sz);
1547 }
1548
1549 void
1550 bar_replace_pad(char *tmp, int *limit, size_t sz)
1551 {
1552         /* special case; no limit given, pad one space, instead */
1553         if (*limit == sz - 1)
1554                 *limit = 1;
1555         snprintf(tmp, sz, "%*s", *limit, " ");
1556 }
1557
1558 /* replaces the bar format character sequences (like in tmux(1)) */
1559 char *
1560 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1561     size_t sz)
1562 {
1563         char                    *ptr;
1564         char                    tmp[SWM_BAR_MAX];
1565         int                     limit, size;
1566         size_t                  len;
1567
1568         /* reset strlcat(3) buffer */
1569         *tmp = '\0';
1570
1571         /* get number, if any */
1572         fmt++;
1573         size = 0;
1574         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1575                 limit = sizeof tmp - 1;
1576         if (limit <= 0 || limit >= sizeof tmp)
1577                 limit = sizeof tmp - 1;
1578
1579         /* there is nothing to replace (ie EOL) */
1580         fmt += size;
1581         if (*fmt == '\0')
1582                 return (fmt);
1583
1584         switch (*fmt) {
1585         case '<':
1586                 bar_replace_pad(tmp, &limit, sizeof tmp);
1587                 break;
1588         case 'A':
1589                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1590                 break;
1591         case 'C':
1592                 bar_class_name(tmp, sizeof tmp, r);
1593                 break;
1594         case 'D':
1595                 bar_workspace_name(tmp, sizeof tmp, r);
1596                 break;
1597         case 'F':
1598                 bar_window_float(tmp, sizeof tmp, r);
1599                 break;
1600         case 'I':
1601                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1602                 break;
1603         case 'N':
1604                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1605                 break;
1606         case 'P':
1607                 bar_class_title_name(tmp, sizeof tmp, r);
1608                 break;
1609         case 'S':
1610                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1611                 break;
1612         case 'T':
1613                 bar_title_name(tmp, sizeof tmp, r);
1614                 break;
1615         case 'U':
1616                 bar_urgent(tmp, sizeof tmp);
1617                 break;
1618         case 'V':
1619                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1620                 break;
1621         case 'W':
1622                 bar_window_name(tmp, sizeof tmp, r);
1623                 break;
1624         default:
1625                 /* unknown character sequence; copy as-is */
1626                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1627                 break;
1628         }
1629
1630         len = strlen(tmp);
1631         ptr = tmp;
1632         if (len < limit)
1633                 limit = len;
1634         while (limit-- > 0) {
1635                 if (*offrep >= sz - 1)
1636                         break;
1637                 fmtrep[(*offrep)++] = *ptr++;
1638         }
1639
1640         fmt++;
1641         return (fmt);
1642 }
1643
1644 void
1645 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1646 {
1647         size_t                  off;
1648
1649         off = 0;
1650         while (*fmt != '\0') {
1651                 if (*fmt != '+') {
1652                         /* skip ordinary characters */
1653                         if (off >= sz - 1)
1654                                 break;
1655                         fmtrep[off++] = *fmt++;
1656                         continue;
1657                 }
1658
1659                 /* character sequence found; replace it */
1660                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1661                 if (off >= sz - 1)
1662                         break;
1663         }
1664
1665         fmtrep[off] = '\0';
1666 }
1667
1668 void
1669 bar_fmt_expand(char *fmtexp, size_t sz)
1670 {
1671         char                    *fmt = NULL;
1672         size_t                  len;
1673         struct tm               tm;
1674         time_t                  tmt;
1675
1676         /* start by grabbing the current time and date */
1677         time(&tmt);
1678         localtime_r(&tmt, &tm);
1679
1680         /* figure out what to expand */
1681         if (bar_format != NULL)
1682                 fmt = bar_format;
1683         else if (bar_format == NULL && clock_enabled)
1684                 fmt = clock_format;
1685         /* if nothing to expand bail out */
1686         if (fmt == NULL) {
1687                 *fmtexp = '\0';
1688                 return;
1689         }
1690
1691         /* copy as-is, just in case the format shouldn't be expanded below */
1692         strlcpy(fmtexp, fmt, sz);
1693         /* finally pass the string through strftime(3) */
1694 #ifndef SWM_DENY_CLOCK_FORMAT
1695         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1696                 warnx("format too long");
1697         fmtexp[len] = '\0';
1698 #endif
1699 }
1700
1701 void
1702 bar_fmt_print(void)
1703 {
1704         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1705         char                    fmtrep[SWM_BAR_MAX];
1706         int                     i, num_screens;
1707         struct swm_region       *r;
1708
1709         /* expand the format by first passing it through strftime(3) */
1710         bar_fmt_expand(fmtexp, sizeof fmtexp);
1711
1712         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1713         for (i = 0; i < num_screens; i++) {
1714                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1715                         if (r->bar == NULL)
1716                                 continue;
1717                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1718                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1719                         bar_print(r, fmtrep);
1720                 }
1721         }
1722 }
1723
1724 void
1725 bar_update(void)
1726 {
1727         size_t                  len;
1728         char                    *b;
1729
1730         if (bar_enabled == 0)
1731                 return;
1732         if (bar_extra && bar_extra_running) {
1733                 /* ignore short reads; it'll correct itself */
1734                 while ((b = fgetln(stdin, &len)) != NULL)
1735                         if (b && b[len - 1] == '\n') {
1736                                 b[len - 1] = '\0';
1737                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1738                         }
1739                 if (b == NULL && errno != EAGAIN) {
1740                         warn("bar_update: bar_extra failed");
1741                         bar_extra_stop();
1742                 }
1743         } else
1744                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1745
1746         bar_fmt_print();
1747         alarm(bar_delay);
1748 }
1749
1750 void
1751 bar_signal(int sig)
1752 {
1753         bar_alarm = 1;
1754 }
1755
1756 void
1757 bar_toggle(struct swm_region *r, union arg *args)
1758 {
1759         struct swm_region       *tmpr;
1760         int                     i, num_screens;
1761
1762         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1763
1764         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1765         if (bar_enabled) {
1766                 for (i = 0; i < num_screens; i++)
1767                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1768                                 if (tmpr->bar)
1769                                         xcb_unmap_window(conn, tmpr->bar->id);
1770         } else {
1771                 for (i = 0; i < num_screens; i++)
1772                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1773                                 if (tmpr->bar)
1774                                         map_window_raised(tmpr->bar->id);
1775         }
1776
1777         bar_enabled = !bar_enabled;
1778
1779         stack();
1780         /* must be after stack */
1781         bar_update();
1782
1783         xcb_flush(conn);
1784 }
1785
1786 void
1787 bar_refresh(void)
1788 {
1789         struct swm_region       *r;
1790         uint32_t                wa[2];
1791         int                     i, num_screens;
1792
1793         /* do this here because the conf file is in memory */
1794         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1795                 /* launch external status app */
1796                 bar_extra_running = 1;
1797                 if (pipe(bar_pipe) == -1)
1798                         err(1, "pipe error");
1799                 socket_setnonblock(bar_pipe[0]);
1800                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1801                 if (dup2(bar_pipe[0], 0) == -1)
1802                         err(1, "dup2");
1803                 if (dup2(bar_pipe[1], 1) == -1)
1804                         err(1, "dup2");
1805                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1806                         err(1, "could not disable SIGPIPE");
1807                 switch (bar_pid = fork()) {
1808                 case -1:
1809                         err(1, "cannot fork");
1810                         break;
1811                 case 0: /* child */
1812                         close(bar_pipe[0]);
1813                         execvp(bar_argv[0], bar_argv);
1814                         err(1, "%s external app failed", bar_argv[0]);
1815                         break;
1816                 default: /* parent */
1817                         close(bar_pipe[1]);
1818                         break;
1819                 }
1820         }
1821
1822         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1823         for (i = 0; i < num_screens; i++)
1824                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1825                         if (r->bar == NULL)
1826                                 continue;
1827                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1828                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1829                         xcb_change_window_attributes(conn, r->bar->id,
1830                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1831                 }
1832         bar_update();
1833 }
1834
1835 void
1836 bar_setup(struct swm_region *r)
1837 {
1838         char                    *default_string;
1839         char                    **missing_charsets;
1840         int                     num_missing_charsets = 0;
1841         int                     i;
1842         xcb_screen_t            *screen = get_screen(r->s->idx);
1843         uint32_t                wa[3];
1844
1845 #if 0
1846         if (bar_fs) {
1847                 XFreeFontSet(display, bar_fs);
1848                 bar_fs = NULL;
1849         }
1850 #endif
1851
1852         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1853                 err(1, "bar_setup: calloc: failed to allocate memory.");
1854 #if 0
1855         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1856
1857         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1858             &num_missing_charsets, &default_string);*/
1859
1860         if (num_missing_charsets > 0) {
1861                 warnx("Unable to load charset(s):");
1862
1863                 for (i = 0; i < num_missing_charsets; ++i)
1864                         warnx("%s", missing_charsets[i]);
1865
1866                 XFreeStringList(missing_charsets);
1867
1868                 if (strcmp(default_string, ""))
1869                         warnx("Glyphs from those sets will be replaced "
1870                             "by '%s'.", default_string);
1871                 else
1872                         warnx("Glyphs from those sets won't be drawn.");
1873         }
1874
1875         if (bar_fs == NULL)
1876                 errx(1, "Error creating font set structure.");
1877
1878         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1879
1880         bar_height = bar_fs_extents->max_logical_extent.height +
1881             2 * bar_border_width;
1882
1883         if (bar_height < 1)
1884                 bar_height = 1;
1885 #else
1886         /* workaround */
1887         bar_height = 24;
1888 #endif
1889         X(r->bar) = X(r);
1890         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1891         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1892         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1893
1894         r->bar->id = xcb_generate_id(conn);
1895         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
1896         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
1897         wa[2] = XCB_EVENT_MASK_EXPOSURE;
1898         DNPRINTF(SWM_D_BAR, "bar_setup: create_window: (x,y) w x h: (%d,%d) "
1899             "%d x %d\n", X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar));
1900         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1901             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1902             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1903             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
1904             | XCB_CW_EVENT_MASK, wa);
1905
1906         r->bar->buffer = xcb_generate_id(conn);
1907         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1908             WIDTH(r->bar), HEIGHT(r->bar));
1909
1910         xcb_randr_select_input(conn, r->bar->id,
1911             XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1912
1913         if (bar_enabled)
1914                 map_window_raised(r->bar->id);
1915
1916         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1917             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1918             HEIGHT(r->bar));
1919
1920         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1921                 err(1, "could not install bar_signal");
1922         bar_refresh();
1923 }
1924
1925 void
1926 bar_cleanup(struct swm_region *r)
1927 {
1928         if (r->bar == NULL)
1929                 return;
1930         xcb_destroy_window(conn, r->bar->id);
1931         xcb_free_pixmap(conn, r->bar->buffer);
1932         free(r->bar);
1933         r->bar = NULL;
1934 }
1935
1936 void
1937 set_win_state(struct ws_win *win, uint16_t state)
1938 {
1939         uint16_t                data[2] = { state, XCB_ATOM_NONE };
1940
1941         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
1942
1943         if (win == NULL)
1944                 return;
1945
1946         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
1947             a_state, 32, 2, data);
1948 }
1949
1950 uint16_t
1951 getstate(xcb_window_t w)
1952 {
1953         uint16_t                        result = 0;
1954         xcb_get_property_cookie_t       c;
1955         xcb_get_property_reply_t        *r;
1956
1957         c = xcb_get_property(conn, False, w, a_state, a_state, 0L, 2L);
1958         r = xcb_get_property_reply(conn, c, NULL);
1959
1960         if (r) {
1961                 result = *((uint16_t *)xcb_get_property_value(r));
1962                 free(r);
1963         }
1964
1965         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
1966             result);
1967         return (result);
1968 }
1969
1970 void
1971 version(struct swm_region *r, union arg *args)
1972 {
1973         bar_version = !bar_version;
1974         if (bar_version)
1975                 snprintf(bar_vertext, sizeof bar_vertext,
1976                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1977         else
1978                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1979         bar_update();
1980
1981         xcb_flush(conn);
1982 }
1983
1984 void
1985 client_msg(struct ws_win *win, xcb_atom_t a)
1986 {
1987         xcb_client_message_event_t      ev;
1988
1989         if (win == NULL)
1990                 return;
1991
1992         bzero(&ev, sizeof ev);
1993         ev.response_type = XCB_CLIENT_MESSAGE;
1994         ev.window = win->id;
1995         ev.type = a_prot;
1996         ev.format = 32;
1997         ev.data.data32[0] = a;
1998         ev.data.data32[1] = XCB_CURRENT_TIME;
1999
2000         xcb_send_event(conn, False, win->id,
2001             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2002 }
2003
2004 /* synthetic response to a ConfigureRequest when not making a change */
2005 void
2006 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2007 {
2008         xcb_configure_notify_event_t ce;
2009
2010         if (win == NULL)
2011                 return;
2012
2013         /* send notification of unchanged state. */
2014         bzero(&ce, sizeof(ce));
2015         ce.response_type = XCB_CONFIGURE_NOTIFY;
2016         ce.x = X(win);
2017         ce.y = Y(win);
2018         ce.width = WIDTH(win);
2019         ce.height = HEIGHT(win);
2020         ce.override_redirect = False;
2021
2022         if (ev == NULL) {
2023                 /* EWMH */
2024                 ce.event = win->id;
2025                 ce.window = win->id;
2026                 ce.border_width = BORDER(win);
2027                 ce.above_sibling = XCB_WINDOW_NONE;
2028         } else {
2029                 /* normal */
2030                 ce.event = ev->window;
2031                 ce.window = ev->window;
2032
2033                 /* make response appear more WM_SIZE_HINTS-compliant */
2034                 if (win->sh.flags)
2035                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2036                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2037                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2038                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2039                             SH_INC_W(win), SH_INC_H(win));
2040
2041                 /* min size */
2042                 if (SH_MIN(win)) {
2043                         /* the hint may be set... to 0! */
2044                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2045                                 ce.width = SH_MIN_W(win);
2046                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2047                                 ce.height = SH_MIN_H(win);
2048                 }
2049
2050                 /* max size */
2051                 if (SH_MAX(win)) {
2052                         /* may also be advertized as 0 */
2053                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2054                                 ce.width = SH_MAX_W(win);
2055                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2056                                 ce.height = SH_MAX_H(win);
2057                 }
2058
2059                 /* resize increment. */
2060                 if (SH_INC(win)) {
2061                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2062                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2063                                     SH_INC_W(win);
2064                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2065                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2066                                     SH_INC_H(win);
2067                 }
2068
2069                 /* adjust x and y for requested border_width. */
2070                 ce.x += BORDER(win) - ev->border_width;
2071                 ce.y += BORDER(win) - ev->border_width;
2072                 ce.border_width = ev->border_width;
2073                 ce.above_sibling = ev->sibling;
2074         }
2075
2076         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2077             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2078             ce.y, ce.width, ce.height, ce.border_width);
2079
2080         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2081                 (char *)&ce);
2082 }
2083
2084 int
2085 count_win(struct workspace *ws, int count_transient)
2086 {
2087         struct ws_win           *win;
2088         int                     count = 0;
2089
2090         TAILQ_FOREACH(win, &ws->winlist, entry) {
2091                 if (count_transient == 0 && win->floating)
2092                         continue;
2093                 if (count_transient == 0 && win->transient)
2094                         continue;
2095                 if (win->iconic)
2096                         continue;
2097                 count++;
2098         }
2099         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2100
2101         return (count);
2102 }
2103
2104 void
2105 quit(struct swm_region *r, union arg *args)
2106 {
2107         DNPRINTF(SWM_D_MISC, "quit\n");
2108         running = 0;
2109 }
2110
2111 void
2112 unmap_window(struct ws_win *win)
2113 {
2114         if (win == NULL)
2115                 return;
2116
2117         /* don't unmap again */
2118         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2119                 return;
2120
2121         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2122
2123         xcb_unmap_window(conn, win->id);
2124         xcb_change_window_attributes(conn, win->id,
2125             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2126 }
2127
2128 void
2129 unmap_all(void)
2130 {
2131         struct ws_win           *win;
2132         int                     i, j, num_screens;
2133
2134         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2135         for (i = 0; i < num_screens; i++)
2136                 for (j = 0; j < workspace_limit; j++)
2137                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2138                                 unmap_window(win);
2139 }
2140
2141 void
2142 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2143 {
2144         xcb_key_press_event_t   event;
2145         xcb_keycode_t           *keycode;
2146
2147         if (win == NULL)
2148                 return;
2149
2150         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2151
2152         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2153             win->id, *keycode);
2154
2155         bzero(&event, sizeof(event));
2156         event.event = win->id;
2157         event.root = win->s->root;
2158         event.child = XCB_WINDOW_NONE;
2159         event.time = XCB_CURRENT_TIME;
2160         event.event_x = X(win);
2161         event.event_y = Y(win);
2162         event.root_x = 1;
2163         event.root_y = 1;
2164         event.same_screen = True;
2165         event.detail = *keycode;
2166         event.state = modifiers;
2167
2168         event.response_type = XCB_KEY_PRESS;
2169         xcb_send_event(conn, True, win->id,
2170             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2171
2172         event.response_type = XCB_KEY_RELEASE;
2173         xcb_send_event(conn, True, win->id,
2174             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2175 }
2176
2177 void
2178 restart(struct swm_region *r, union arg *args)
2179 {
2180         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2181
2182         /* disable alarm because the following code may not be interrupted */
2183         alarm(0);
2184         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2185                 err(1, "can't disable alarm");
2186
2187         bar_extra_stop();
2188         bar_extra = 1;
2189         unmap_all();
2190
2191         xcb_key_symbols_free(syms);
2192         xcb_flush(conn);
2193         xcb_disconnect(conn);
2194
2195         execvp(start_argv[0], start_argv);
2196         warn("execvp failed");
2197         quit(NULL, NULL);
2198 }
2199
2200 struct swm_region *
2201 root_to_region(xcb_window_t root)
2202 {
2203         struct swm_region               *r = NULL;
2204         int                             i, num_screens;
2205         xcb_query_pointer_reply_t       *qpr;
2206
2207         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2208
2209         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2210         for (i = 0; i < num_screens; i++)
2211                 if (screens[i].root == root)
2212                         break;
2213
2214         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2215             screens[i].root), NULL);
2216
2217         if (qpr) {
2218                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2219                     qpr->root_x, qpr->root_y);
2220                 /* choose a region based on pointer location */
2221                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2222                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2223                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2224                                 break;
2225                 free(qpr);
2226         }
2227
2228         if (r == NULL)
2229                 r = TAILQ_FIRST(&screens[i].rl);
2230
2231         return (r);
2232 }
2233
2234 struct ws_win *
2235 find_unmanaged_window(xcb_window_t id)
2236 {
2237         struct ws_win           *win;
2238         int                     i, j, num_screens;
2239
2240         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2241         for (i = 0; i < num_screens; i++)
2242                 for (j = 0; j < workspace_limit; j++)
2243                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2244                             entry)
2245                                 if (id == win->id)
2246                                         return (win);
2247         return (NULL);
2248 }
2249
2250 struct ws_win *
2251 find_window(xcb_window_t id)
2252 {
2253         struct ws_win           *win;
2254         int                     i, j, num_screens;
2255         xcb_query_tree_reply_t  *r;
2256
2257         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2258         for (i = 0; i < num_screens; i++)
2259                 for (j = 0; j < workspace_limit; j++)
2260                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2261                                 if (id == win->id)
2262                                         return (win);
2263
2264         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2265         if (!r)
2266                 return (NULL);
2267
2268         /* if we were looking for the parent return that window instead */
2269         if (r->parent == 0 || r->root == r->parent)
2270                 return (NULL);
2271
2272         /* look for parent */
2273         for (i = 0; i < num_screens; i++)
2274                 for (j = 0; j < workspace_limit; j++)
2275                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2276                                 if (r->parent == win->id) {
2277                                         free(r);
2278                                         return (win);
2279                                 }
2280
2281         free(r);
2282         return (NULL);
2283 }
2284
2285 void
2286 spawn(int ws_idx, union arg *args, int close_fd)
2287 {
2288         int                     fd;
2289         char                    *ret = NULL;
2290
2291         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2292
2293         close(xcb_get_file_descriptor(conn));
2294
2295         setenv("LD_PRELOAD", SWM_LIB, 1);
2296
2297         if (asprintf(&ret, "%d", ws_idx) == -1) {
2298                 warn("spawn: asprintf SWM_WS");
2299                 _exit(1);
2300         }
2301         setenv("_SWM_WS", ret, 1);
2302         free(ret);
2303         ret = NULL;
2304
2305         if (asprintf(&ret, "%d", getpid()) == -1) {
2306                 warn("spawn: asprintf _SWM_PID");
2307                 _exit(1);
2308         }
2309         setenv("_SWM_PID", ret, 1);
2310         free(ret);
2311         ret = NULL;
2312
2313         if (setsid() == -1) {
2314                 warn("spawn: setsid");
2315                 _exit(1);
2316         }
2317
2318         if (close_fd) {
2319                 /*
2320                  * close stdin and stdout to prevent interaction between apps
2321                  * and the baraction script
2322                  * leave stderr open to record errors
2323                 */
2324                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2325                         warn("spawn: open");
2326                         _exit(1);
2327                 }
2328                 dup2(fd, STDIN_FILENO);
2329                 dup2(fd, STDOUT_FILENO);
2330                 if (fd > 2)
2331                         close(fd);
2332         }
2333
2334         execvp(args->argv[0], args->argv);
2335
2336         warn("spawn: execvp");
2337         _exit(1);
2338 }
2339
2340 void
2341 kill_refs(struct ws_win *win)
2342 {
2343         int                     i, x, num_screens;
2344         struct swm_region       *r;
2345         struct workspace        *ws;
2346
2347         if (win == NULL)
2348                 return;
2349
2350         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2351         for (i = 0; i < num_screens; i++)
2352                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2353                         for (x = 0; x < workspace_limit; x++) {
2354                                 ws = &r->s->ws[x];
2355                                 if (win == ws->focus)
2356                                         ws->focus = NULL;
2357                                 if (win == ws->focus_prev)
2358                                         ws->focus_prev = NULL;
2359                         }
2360 }
2361
2362 int
2363 validate_win(struct ws_win *testwin)
2364 {
2365         struct ws_win           *win;
2366         struct workspace        *ws;
2367         struct swm_region       *r;
2368         int                     i, x, num_screens;
2369
2370         if (testwin == NULL)
2371                 return (0);
2372
2373         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2374         for (i = 0; i < num_screens; i++)
2375                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2376                         for (x = 0; x < workspace_limit; x++) {
2377                                 ws = &r->s->ws[x];
2378                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2379                                         if (win == testwin)
2380                                                 return (0);
2381                         }
2382         return (1);
2383 }
2384
2385 int
2386 validate_ws(struct workspace *testws)
2387 {
2388         struct swm_region       *r;
2389         struct workspace        *ws;
2390         int                     i, x, num_screens;
2391
2392         /* validate all ws */
2393         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2394         for (i = 0; i < num_screens; i++)
2395                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2396                         for (x = 0; x < workspace_limit; x++) {
2397                                 ws = &r->s->ws[x];
2398                                 if (ws == testws)
2399                                         return (0);
2400                         }
2401         return (1);
2402 }
2403
2404 void
2405 unfocus_win(struct ws_win *win)
2406 {
2407         xcb_window_t            none = XCB_WINDOW_NONE;
2408
2409         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2410
2411         if (win == NULL)
2412                 return;
2413         if (win->ws == NULL)
2414                 return;
2415
2416         if (validate_ws(win->ws))
2417                 return; /* XXX this gets hit with thunderbird, needs fixing */
2418
2419         if (win->ws->r == NULL)
2420                 return;
2421
2422         if (validate_win(win)) {
2423                 kill_refs(win);
2424                 return;
2425         }
2426
2427         if (win->ws->focus == win) {
2428                 win->ws->focus = NULL;
2429                 win->ws->focus_prev = win;
2430         }
2431
2432         if (validate_win(win->ws->focus)) {
2433                 kill_refs(win->ws->focus);
2434                 win->ws->focus = NULL;
2435         }
2436         if (validate_win(win->ws->focus_prev)) {
2437                 kill_refs(win->ws->focus_prev);
2438                 win->ws->focus_prev = NULL;
2439         }
2440
2441         grabbuttons(win, 0);
2442         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2443             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2444         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2445             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2446 }
2447
2448 void
2449 unfocus_all(void)
2450 {
2451         struct ws_win           *win;
2452         int                     i, j, num_screens;
2453
2454         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2455
2456         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2457         for (i = 0; i < num_screens; i++)
2458                 for (j = 0; j < workspace_limit; j++)
2459                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2460                                 unfocus_win(win);
2461 }
2462
2463 void
2464 focus_win(struct ws_win *win)
2465 {
2466         struct ws_win           *cfw = NULL;
2467         xcb_get_input_focus_reply_t     *r;
2468         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2469
2470         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2471
2472         if (win == NULL)
2473                 return;
2474         if (win->ws == NULL)
2475                 return;
2476
2477         if (validate_ws(win->ws))
2478                 return; /* XXX this gets hit with thunderbird, needs fixing */
2479
2480         if (validate_win(win)) {
2481                 kill_refs(win);
2482                 return;
2483         }
2484
2485         if (validate_win(win)) {
2486                 kill_refs(win);
2487                 return;
2488         }
2489
2490         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2491         if (r) {
2492                 cur_focus = r->focus;
2493                 free(r);
2494         }
2495         if ((cfw = find_window(cur_focus)) != NULL)
2496                 unfocus_win(cfw);
2497         else {
2498                 /* use larger hammer since the window was killed somehow */
2499                 /* TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2500                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2501                                 xcb_change_window_attributes(conn, cfw->id,
2502                                     XCB_CW_BORDER_PIXEL,
2503                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);*/
2504         }
2505
2506         win->ws->focus = win;
2507
2508         if (win->ws->r != NULL) {
2509                 if (win->java == 0)
2510                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2511                             win->id, XCB_CURRENT_TIME);
2512                 grabbuttons(win, 1);
2513                 xcb_change_window_attributes(conn, win->id,
2514                         XCB_CW_BORDER_PIXEL,
2515                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2516                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2517                     win->ws->always_raise)
2518                         map_window_raised(win->id);
2519
2520                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2521                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2522                     &win->id);
2523         }
2524
2525         bar_update();
2526 }
2527
2528 void
2529 event_drain(uint8_t rt)
2530 {
2531         xcb_generic_event_t     *evt;
2532
2533         xcb_flush(conn);
2534         while ((evt = xcb_poll_for_event(conn))) {
2535                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2536                         event_handle(evt);
2537
2538                 free(evt);
2539         }
2540 }
2541
2542 void
2543 switchws(struct swm_region *r, union arg *args)
2544 {
2545         int                     wsid = args->id, unmap_old = 0;
2546         struct swm_region       *this_r, *other_r;
2547         struct ws_win           *win;
2548         struct workspace        *new_ws, *old_ws;
2549         union arg               a;
2550
2551         if (!(r && r->s))
2552                 return;
2553
2554         if (wsid >= workspace_limit)
2555                 return;
2556
2557         this_r = r;
2558         old_ws = this_r->ws;
2559         new_ws = &this_r->s->ws[wsid];
2560
2561         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2562             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2563
2564         if (new_ws == NULL || old_ws == NULL)
2565                 return;
2566         if (new_ws == old_ws)
2567                 return;
2568
2569         other_r = new_ws->r;
2570         if (other_r == NULL) {
2571                 /* the other workspace is hidden, hide this one */
2572                 old_ws->r = NULL;
2573                 unmap_old = 1;
2574         } else {
2575                 /* the other ws is visible in another region, exchange them */
2576                 other_r->ws_prior = new_ws;
2577                 other_r->ws = old_ws;
2578                 old_ws->r = other_r;
2579         }
2580         this_r->ws_prior = old_ws;
2581         this_r->ws = new_ws;
2582         new_ws->r = this_r;
2583
2584         /* this is needed so that we can click on a window after a restart */
2585         unfocus_all();
2586
2587         stack();
2588         a.id = SWM_ARG_ID_FOCUSCUR;
2589         focus(new_ws->r, &a);
2590
2591         /* unmap old windows */
2592         if (unmap_old)
2593                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2594                         unmap_window(win);
2595
2596         if (focus_mode == SWM_FOCUS_DEFAULT)
2597                 event_drain(XCB_ENTER_NOTIFY);
2598         else
2599                 xcb_flush(conn);
2600 }
2601
2602 void
2603 cyclews(struct swm_region *r, union arg *args)
2604 {
2605         union                   arg a;
2606         struct swm_screen       *s = r->s;
2607         int                     cycle_all = 0;
2608
2609         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2610             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2611
2612         a.id = r->ws->idx;
2613         do {
2614                 switch (args->id) {
2615                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2616                         cycle_all = 1;
2617                         /* FALLTHROUGH */
2618                 case SWM_ARG_ID_CYCLEWS_UP:
2619                         if (a.id < workspace_limit - 1)
2620                                 a.id++;
2621                         else
2622                                 a.id = 0;
2623                         break;
2624                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2625                         cycle_all = 1;
2626                         /* FALLTHROUGH */
2627                 case SWM_ARG_ID_CYCLEWS_DOWN:
2628                         if (a.id > 0)
2629                                 a.id--;
2630                         else
2631                                 a.id = workspace_limit - 1;
2632                         break;
2633                 default:
2634                         return;
2635                 };
2636
2637                 if (!cycle_all &&
2638                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2639                         continue;
2640                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2641                         continue;
2642
2643                 switchws(r, &a);
2644         } while (a.id != r->ws->idx);
2645 }
2646
2647 void
2648 priorws(struct swm_region *r, union arg *args)
2649 {
2650         union arg               a;
2651
2652         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2653             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2654
2655         if (r->ws_prior == NULL)
2656                 return;
2657
2658         a.id = r->ws_prior->idx;
2659         switchws(r, &a);
2660 }
2661
2662 void
2663 cyclescr(struct swm_region *r, union arg *args)
2664 {
2665         struct swm_region       *rr = NULL;
2666         union arg               a;
2667         int                     i, x, y, num_screens;
2668
2669         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2670         /* do nothing if we don't have more than one screen */
2671         if (!(num_screens > 1 || outputs > 1))
2672                 return;
2673
2674         i = r->s->idx;
2675         switch (args->id) {
2676         case SWM_ARG_ID_CYCLESC_UP:
2677                 rr = TAILQ_NEXT(r, entry);
2678                 if (rr == NULL)
2679                         rr = TAILQ_FIRST(&screens[i].rl);
2680                 break;
2681         case SWM_ARG_ID_CYCLESC_DOWN:
2682                 rr = TAILQ_PREV(r, swm_region_list, entry);
2683                 if (rr == NULL)
2684                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2685                 break;
2686         default:
2687                 return;
2688         };
2689         if (rr == NULL)
2690                 return;
2691
2692         /* move mouse to region */
2693         x = X(rr) + 1;
2694         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2695         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2696             x, y);
2697
2698         a.id = SWM_ARG_ID_FOCUSCUR;
2699         focus(rr, &a);
2700
2701         if (rr->ws->focus) {
2702                 /* move to focus window */
2703                 x = X(rr->ws->focus) + 1;
2704                 y = Y(rr->ws->focus) + 1;
2705                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2706                     0, x, y);
2707         }
2708 }
2709
2710 void
2711 sort_windows(struct ws_win_list *wl)
2712 {
2713         struct ws_win           *win, *parent, *nxt;
2714
2715         if (wl == NULL)
2716                 return;
2717
2718         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2719                 nxt = TAILQ_NEXT(win, entry);
2720                 if (win->transient) {
2721                         parent = find_window(win->transient);
2722                         if (parent == NULL) {
2723                                 warnx("not possible bug");
2724                                 continue;
2725                         }
2726                         TAILQ_REMOVE(wl, win, entry);
2727                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2728                 }
2729         }
2730
2731 }
2732
2733 void
2734 swapwin(struct swm_region *r, union arg *args)
2735 {
2736         struct ws_win           *target, *source;
2737         struct ws_win           *cur_focus;
2738         struct ws_win_list      *wl;
2739
2740
2741         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2742             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2743
2744         cur_focus = r->ws->focus;
2745         if (cur_focus == NULL)
2746                 return;
2747
2748         source = cur_focus;
2749         wl = &source->ws->winlist;
2750
2751         switch (args->id) {
2752         case SWM_ARG_ID_SWAPPREV:
2753                 if (source->transient)
2754                         source = find_window(source->transient);
2755                 target = TAILQ_PREV(source, ws_win_list, entry);
2756                 if (target && target->transient)
2757                         target = find_window(target->transient);
2758                 TAILQ_REMOVE(wl, source, entry);
2759                 if (target == NULL)
2760                         TAILQ_INSERT_TAIL(wl, source, entry);
2761                 else
2762                         TAILQ_INSERT_BEFORE(target, source, entry);
2763                 break;
2764         case SWM_ARG_ID_SWAPNEXT:
2765                 target = TAILQ_NEXT(source, entry);
2766                 /* move the parent and let the sort handle the move */
2767                 if (source->transient)
2768                         source = find_window(source->transient);
2769                 TAILQ_REMOVE(wl, source, entry);
2770                 if (target == NULL)
2771                         TAILQ_INSERT_HEAD(wl, source, entry);
2772                 else
2773                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2774                 break;
2775         case SWM_ARG_ID_SWAPMAIN:
2776                 target = TAILQ_FIRST(wl);
2777                 if (target == source) {
2778                         if (source->ws->focus_prev != NULL &&
2779                             source->ws->focus_prev != target)
2780                                 source = source->ws->focus_prev;
2781                         else
2782                                 return;
2783                 }
2784                 if (target == NULL || source == NULL)
2785                         return;
2786                 source->ws->focus_prev = target;
2787                 TAILQ_REMOVE(wl, target, entry);
2788                 TAILQ_INSERT_BEFORE(source, target, entry);
2789                 TAILQ_REMOVE(wl, source, entry);
2790                 TAILQ_INSERT_HEAD(wl, source, entry);
2791                 break;
2792         case SWM_ARG_ID_MOVELAST:
2793                 TAILQ_REMOVE(wl, source, entry);
2794                 TAILQ_INSERT_TAIL(wl, source, entry);
2795                 break;
2796         default:
2797                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2798                 return;
2799         }
2800
2801         sort_windows(wl);
2802
2803         stack();
2804
2805         xcb_flush(conn);
2806 }
2807
2808 void
2809 focus_prev(struct ws_win *win)
2810 {
2811         struct ws_win           *winfocus = NULL;
2812         struct ws_win           *cur_focus = NULL;
2813         struct ws_win_list      *wl = NULL;
2814         struct workspace        *ws = NULL;
2815
2816         if (!(win && win->ws))
2817                 return;
2818
2819         ws = win->ws;
2820         wl = &ws->winlist;
2821         cur_focus = ws->focus;
2822
2823         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2824             WINID(win), WINID(cur_focus));
2825
2826         /* pickle, just focus on whatever */
2827         if (cur_focus == NULL) {
2828                 /* use prev_focus if valid */
2829                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2830                     find_window(WINID(ws->focus_prev)))
2831                         winfocus = ws->focus_prev;
2832                 goto done;
2833         }
2834
2835         /* if transient focus on parent */
2836         if (cur_focus->transient) {
2837                 winfocus = find_window(cur_focus->transient);
2838                 goto done;
2839         }
2840
2841         /* if in max_stack try harder */
2842         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2843             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2844                 if (cur_focus != ws->focus_prev)
2845                         winfocus = ws->focus_prev;
2846                 else
2847                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2848                 if (winfocus)
2849                         goto done;
2850         }
2851
2852         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2853
2854         if (winfocus == NULL || winfocus == win) {
2855                 switch (focus_close) {
2856                 case SWM_STACK_BOTTOM:
2857                         winfocus = TAILQ_FIRST(wl);
2858                         break;
2859                 case SWM_STACK_TOP:
2860                         winfocus = TAILQ_LAST(wl, ws_win_list);
2861                         break;
2862                 case SWM_STACK_ABOVE:
2863                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2864                                 if (focus_close_wrap)
2865                                         winfocus = TAILQ_FIRST(wl);
2866                                 else
2867                                         winfocus = TAILQ_PREV(cur_focus,
2868                                             ws_win_list, entry);
2869                         }
2870                         break;
2871                 case SWM_STACK_BELOW:
2872                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2873                             entry)) == NULL) {
2874                                 if (focus_close_wrap)
2875                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2876                                 else
2877                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2878                         }
2879                         break;
2880                 }
2881         }
2882 done:
2883         if (winfocus == NULL) {
2884                 if (focus_default == SWM_STACK_TOP)
2885                         winfocus = TAILQ_LAST(wl, ws_win_list);
2886                 else
2887                         winfocus = TAILQ_FIRST(wl);
2888         }
2889
2890         kill_refs(win);
2891         focus_magic(winfocus);
2892 }
2893
2894 void
2895 focus(struct swm_region *r, union arg *args)
2896 {
2897         struct ws_win           *winfocus = NULL, *head;
2898         struct ws_win           *cur_focus = NULL;
2899         struct ws_win_list      *wl = NULL;
2900         struct workspace        *ws = NULL;
2901         int                     all_iconics;
2902
2903         if (!(r && r->ws))
2904                 return;
2905
2906         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2907
2908         /* treat FOCUS_CUR special */
2909         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2910                 if (r->ws->focus && r->ws->focus->iconic == 0)
2911                         winfocus = r->ws->focus;
2912                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2913                         winfocus = r->ws->focus_prev;
2914                 else
2915                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2916                                 if (winfocus->iconic == 0)
2917                                         break;
2918
2919                 focus_magic(winfocus);
2920                 return;
2921         }
2922
2923         if ((cur_focus = r->ws->focus) == NULL)
2924                 return;
2925         ws = r->ws;
2926         wl = &ws->winlist;
2927         if (TAILQ_EMPTY(wl))
2928                 return;
2929         /* make sure there is at least one uniconified window */
2930         all_iconics = 1;
2931         TAILQ_FOREACH(winfocus, wl, entry)
2932                 if (winfocus->iconic == 0) {
2933                         all_iconics = 0;
2934                         break;
2935                 }
2936         if (all_iconics)
2937                 return;
2938
2939         switch (args->id) {
2940         case SWM_ARG_ID_FOCUSPREV:
2941                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2942                 if (head == NULL)
2943                         head = TAILQ_LAST(wl, ws_win_list);
2944                 winfocus = head;
2945                 if (WINID(winfocus) == cur_focus->transient) {
2946                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2947                         if (head == NULL)
2948                                 head = TAILQ_LAST(wl, ws_win_list);
2949                         winfocus = head;
2950                 }
2951
2952                 /* skip iconics */
2953                 if (winfocus && winfocus->iconic) {
2954                         while (winfocus != cur_focus) {
2955                                 if (winfocus == NULL)
2956                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2957                                 if (winfocus->iconic == 0)
2958                                         break;
2959                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2960                                     entry);
2961                         }
2962                 }
2963                 break;
2964
2965         case SWM_ARG_ID_FOCUSNEXT:
2966                 head = TAILQ_NEXT(cur_focus, entry);
2967                 if (head == NULL)
2968                         head = TAILQ_FIRST(wl);
2969                 winfocus = head;
2970
2971                 /* skip iconics */
2972                 if (winfocus && winfocus->iconic) {
2973                         while (winfocus != cur_focus) {
2974                                 if (winfocus == NULL)
2975                                         winfocus = TAILQ_FIRST(wl);
2976                                 if (winfocus->iconic == 0)
2977                                         break;
2978                                 winfocus = TAILQ_NEXT(winfocus, entry);
2979                         }
2980                 }
2981                 break;
2982
2983         case SWM_ARG_ID_FOCUSMAIN:
2984                 winfocus = TAILQ_FIRST(wl);
2985                 if (winfocus == cur_focus)
2986                         winfocus = cur_focus->ws->focus_prev;
2987                 break;
2988
2989         default:
2990                 return;
2991         }
2992
2993         focus_magic(winfocus);
2994
2995         xcb_flush(conn);
2996 }
2997
2998 void
2999 cycle_layout(struct swm_region *r, union arg *args)
3000 {
3001         struct workspace        *ws = r->ws;
3002         union arg               a;
3003
3004         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3005
3006         ws->cur_layout++;
3007         if (ws->cur_layout->l_stack == NULL)
3008                 ws->cur_layout = &layouts[0];
3009
3010         stack();
3011         bar_update();
3012
3013         if (focus_mode == SWM_FOCUS_DEFAULT)
3014                 event_drain(XCB_ENTER_NOTIFY);
3015
3016         a.id = SWM_ARG_ID_FOCUSCUR;
3017         focus(r, &a);
3018 }
3019
3020 void
3021 stack_config(struct swm_region *r, union arg *args)
3022 {
3023         struct workspace        *ws = r->ws;
3024
3025         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3026             args->id, ws->idx);
3027
3028         if (ws->cur_layout->l_config != NULL)
3029                 ws->cur_layout->l_config(ws, args->id);
3030
3031         if (args->id != SWM_ARG_ID_STACKINIT)
3032                 stack();
3033         bar_update();
3034 }
3035
3036 void
3037 stack(void) {
3038         struct swm_geometry     g;
3039         struct swm_region       *r;
3040         int                     i, num_screens;
3041 #ifdef SWM_DEBUG
3042         int j;
3043 #endif
3044
3045         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3046
3047         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3048         for (i = 0; i < num_screens; i++) {
3049 #ifdef SWM_DEBUG
3050                 j = 0;
3051 #endif
3052                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3053                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3054                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3055
3056                         /* start with screen geometry, adjust for bar */
3057                         g = r->g;
3058                         g.w -= 2 * border_width;
3059                         g.h -= 2 * border_width;
3060                         if (bar_enabled) {
3061                                 if (!bar_at_bottom)
3062                                         g.y += bar_height;
3063                                 g.h -= bar_height;
3064                         }
3065                         r->ws->cur_layout->l_stack(r->ws, &g);
3066                         r->ws->cur_layout->l_string(r->ws);
3067                         /* save r so we can track region changes */
3068                         r->ws->old_r = r;
3069                 }
3070         }
3071         if (font_adjusted)
3072                 font_adjusted--;
3073
3074         if (focus_mode == SWM_FOCUS_DEFAULT)
3075                 event_drain(XCB_ENTER_NOTIFY);
3076
3077         DNPRINTF(SWM_D_STACK, "stack: end\n");
3078 }
3079
3080 void
3081 store_float_geom(struct ws_win *win, struct swm_region *r)
3082 {
3083         /* retain window geom and region geom */
3084         win->g_float = win->g;
3085         win->g_float.x -= X(r);
3086         win->g_float.y -= Y(r);
3087         win->g_floatvalid = 1;
3088         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3089             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3090             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3091             win->g_float.w, win->g_float.h);
3092 }
3093
3094 void
3095 stack_floater(struct ws_win *win, struct swm_region *r)
3096 {
3097         if (win == NULL)
3098                 return;
3099
3100         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3101
3102         /*
3103          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3104          * geom on ws switches or return from max mode
3105          */
3106         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3107             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3108                 /* refloat at last floating relative position */
3109                 win->g = win->g_float;
3110                 X(win) += X(r);
3111                 Y(win) += Y(r);
3112         }
3113
3114         win->floatmaxed = 0;
3115
3116         /*
3117          * if set to fullscreen mode, configure window to maximum size.
3118          */
3119         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3120                 if (!win->g_floatvalid)
3121                         store_float_geom(win, win->ws->r);
3122
3123                 win->g = win->ws->r->g;
3124         }
3125
3126         /*
3127          * remove border on fullscreen floater when in fullscreen mode or when
3128          * the quirk is present.
3129          */
3130         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3131             ((win->quirks & SWM_Q_FULLSCREEN) &&
3132              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3133                 if (win->bordered) {
3134                         win->bordered = 0;
3135                         X(win) += border_width;
3136                         Y(win) += border_width;
3137                 }
3138         } else if (!win->bordered) {
3139                 win->bordered = 1;
3140                 X(win) -= border_width;
3141                 Y(win) -= border_width;
3142         }
3143
3144         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3145                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3146                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3147         }
3148
3149         if (!win->manual) {
3150                 /*
3151                  * floaters and transients are auto-centred unless moved
3152                  * or resized
3153                  */
3154                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3155                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3156         }
3157
3158         /* keep window within region bounds */
3159         constrain_window(win, r, 0);
3160
3161         update_window(win);
3162 }
3163
3164 /*
3165  * Send keystrokes to terminal to decrease/increase the font size as the
3166  * window size changes.
3167  */
3168 void
3169 adjust_font(struct ws_win *win)
3170 {
3171         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3172             win->floating || win->transient)
3173                 return;
3174
3175         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3176             WIDTH(win) / win->sh.width_inc < term_width &&
3177             win->font_steps < SWM_MAX_FONT_STEPS) {
3178                 win->font_size_boundary[win->font_steps] =
3179                     (win->sh.width_inc * term_width) + win->sh.base_width;
3180                 win->font_steps++;
3181                 font_adjusted++;
3182                 win->last_inc = win->sh.width_inc;
3183                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3184         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3185             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3186                 win->font_steps--;
3187                 font_adjusted++;
3188                 win->last_inc = win->sh.width_inc;
3189                 fake_keypress(win, XK_KP_Add, ShiftMask);
3190         }
3191 }
3192
3193 #define SWAPXY(g)       do {                            \
3194         int tmp;                                        \
3195         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3196         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3197 } while (0)
3198 void
3199 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3200 {
3201         struct swm_geometry     win_g, r_g = *g;
3202         struct ws_win           *win, *fs_win = NULL;
3203         int                     i, j, s, stacks;
3204         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3205         int                     hrh, extra = 0, h_slice, last_h = 0;
3206         int                     split, colno, winno, mwin, msize, mscale;
3207         int                     remain, missing, v_slice, reconfigure;
3208         int                     bordered = 1;
3209         xcb_get_window_attributes_reply_t *war;
3210
3211         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3212             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3213
3214         winno = count_win(ws, 0);
3215         if (winno == 0 && count_win(ws, 1) == 0)
3216                 return;
3217
3218         TAILQ_FOREACH(win, &ws->winlist, entry)
3219                 if (win->transient == 0 && win->floating == 0
3220                     && win->iconic == 0)
3221                         break;
3222
3223         if (win == NULL)
3224                 goto notiles;
3225
3226         if (rot) {
3227                 w_inc = win->sh.width_inc;
3228                 w_base = win->sh.base_width;
3229                 mwin = ws->l_state.horizontal_mwin;
3230                 mscale = ws->l_state.horizontal_msize;
3231                 stacks = ws->l_state.horizontal_stacks;
3232                 SWAPXY(&r_g);
3233         } else {
3234                 w_inc = win->sh.height_inc;
3235                 w_base = win->sh.base_height;
3236                 mwin = ws->l_state.vertical_mwin;
3237                 mscale = ws->l_state.vertical_msize;
3238                 stacks = ws->l_state.vertical_stacks;
3239         }
3240         win_g = r_g;
3241
3242         if (stacks > winno - mwin)
3243                 stacks = winno - mwin;
3244         if (stacks < 1)
3245                 stacks = 1;
3246
3247         h_slice = r_g.h / SWM_H_SLICE;
3248         if (mwin && winno > mwin) {
3249                 v_slice = r_g.w / SWM_V_SLICE;
3250
3251                 split = mwin;
3252                 colno = split;
3253                 win_g.w = v_slice * mscale;
3254
3255                 if (w_inc > 1 && w_inc < v_slice) {
3256                         /* adjust for window's requested size increment */
3257                         remain = (win_g.w - w_base) % w_inc;
3258                         win_g.w -= remain;
3259                 }
3260
3261                 msize = win_g.w;
3262                 if (flip)
3263                         win_g.x += r_g.w - msize;
3264         } else {
3265                 msize = -2;
3266                 colno = split = winno / stacks;
3267                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3268                     2 * border_width) / stacks);
3269         }
3270         hrh = r_g.h / colno;
3271         extra = r_g.h - (colno * hrh);
3272         win_g.h = hrh - 2 * border_width;
3273
3274         /*  stack all the tiled windows */
3275         i = j = 0, s = stacks;
3276         TAILQ_FOREACH(win, &ws->winlist, entry) {
3277                 if (win->transient != 0 || win->floating != 0)
3278                         continue;
3279                 if (win->iconic != 0)
3280                         continue;
3281
3282                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3283                         fs_win = win;
3284                         continue;
3285                 }
3286
3287                 if (split && i == split) {
3288                         colno = (winno - mwin) / stacks;
3289                         if (s <= (winno - mwin) % stacks)
3290                                 colno++;
3291                         split = split + colno;
3292                         hrh = (r_g.h / colno);
3293                         extra = r_g.h - (colno * hrh);
3294                         if (flip)
3295                                 win_g.x = r_g.x;
3296                         else
3297                                 win_g.x += win_g.w + 2 * border_width;
3298                         win_g.w = (r_g.w - msize -
3299                             (stacks * 2 * border_width)) / stacks;
3300                         if (s == 1)
3301                                 win_g.w += (r_g.w - msize -
3302                                     (stacks * 2 * border_width)) % stacks;
3303                         s--;
3304                         j = 0;
3305                 }
3306                 win_g.h = hrh - 2 * border_width;
3307                 if (rot) {
3308                         h_inc = win->sh.width_inc;
3309                         h_base = win->sh.base_width;
3310                 } else {
3311                         h_inc = win->sh.height_inc;
3312                         h_base = win->sh.base_height;
3313                 }
3314                 if (j == colno - 1) {
3315                         win_g.h = hrh + extra;
3316                 } else if (h_inc > 1 && h_inc < h_slice) {
3317                         /* adjust for window's requested size increment */
3318                         remain = (win_g.h - h_base) % h_inc;
3319                         missing = h_inc - remain;
3320
3321                         if (missing <= extra || j == 0) {
3322                                 extra -= missing;
3323                                 win_g.h += missing;
3324                         } else {
3325                                 win_g.h -= remain;
3326                                 extra += remain;
3327                         }
3328                 }
3329
3330                 if (j == 0)
3331                         win_g.y = r_g.y;
3332                 else
3333                         win_g.y += last_h + 2 * border_width;
3334
3335                 if (disable_border && bar_enabled == 0 && winno == 1){
3336                         bordered = 0;
3337                         win_g.w += 2 * border_width;
3338                         win_g.h += 2 * border_width;
3339                 } else {
3340                         bordered = 1;
3341                 }
3342                 if (rot) {
3343                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3344                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3345                                 reconfigure = 1;
3346                                 X(win) = win_g.y;
3347                                 Y(win) = win_g.x;
3348                                 WIDTH(win) = win_g.h;
3349                                 HEIGHT(win) = win_g.w;
3350                         }
3351                 } else {
3352                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3353                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3354                                 reconfigure = 1;
3355                                 X(win) = win_g.x;
3356                                 Y(win) = win_g.y;
3357                                 WIDTH(win) = win_g.w;
3358                                 HEIGHT(win) = win_g.h;
3359                         }
3360                 }
3361
3362                 if (bordered != win->bordered) {
3363                         reconfigure = 1;
3364                         win->bordered = bordered;
3365                 }
3366
3367                 if (reconfigure) {
3368                         adjust_font(win);
3369                         update_window(win);
3370                 }
3371
3372                 war = xcb_get_window_attributes_reply(conn,
3373                         xcb_get_window_attributes(conn, win->id),
3374                         NULL);
3375                 if (war) {
3376                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3377                                 map_window_raised(win->id);
3378                         free(war);
3379                 }
3380
3381                 last_h = win_g.h;
3382                 i++;
3383                 j++;
3384         }
3385
3386 notiles:
3387         /* now, stack all the floaters and transients */
3388         TAILQ_FOREACH(win, &ws->winlist, entry) {
3389                 if (win->transient == 0 && win->floating == 0)
3390                         continue;
3391                 if (win->iconic == 1)
3392                         continue;
3393                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3394                         fs_win = win;
3395                         continue;
3396                 }
3397
3398                 stack_floater(win, ws->r);
3399                 map_window_raised(win->id);
3400         }
3401
3402         if (fs_win) {
3403                 stack_floater(fs_win, ws->r);
3404                 map_window_raised(fs_win->id);
3405         }
3406 }
3407
3408 void
3409 vertical_config(struct workspace *ws, int id)
3410 {
3411         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3412             id, ws->idx);
3413
3414         switch (id) {
3415         case SWM_ARG_ID_STACKRESET:
3416         case SWM_ARG_ID_STACKINIT:
3417                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3418                 ws->l_state.vertical_mwin = 1;
3419                 ws->l_state.vertical_stacks = 1;
3420                 break;
3421         case SWM_ARG_ID_MASTERSHRINK:
3422                 if (ws->l_state.vertical_msize > 1)
3423                         ws->l_state.vertical_msize--;
3424                 break;
3425         case SWM_ARG_ID_MASTERGROW:
3426                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3427                         ws->l_state.vertical_msize++;
3428                 break;
3429         case SWM_ARG_ID_MASTERADD:
3430                 ws->l_state.vertical_mwin++;
3431                 break;
3432         case SWM_ARG_ID_MASTERDEL:
3433                 if (ws->l_state.vertical_mwin > 0)
3434                         ws->l_state.vertical_mwin--;
3435                 break;
3436         case SWM_ARG_ID_STACKINC:
3437                 ws->l_state.vertical_stacks++;
3438                 break;
3439         case SWM_ARG_ID_STACKDEC:
3440                 if (ws->l_state.vertical_stacks > 1)
3441                         ws->l_state.vertical_stacks--;
3442                 break;
3443         case SWM_ARG_ID_FLIPLAYOUT:
3444                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3445                 break;
3446         default:
3447                 return;
3448         }
3449 }
3450
3451 void
3452 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3453 {
3454         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3455
3456         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3457 }
3458
3459 void
3460 horizontal_config(struct workspace *ws, int id)
3461 {
3462         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3463
3464         switch (id) {
3465         case SWM_ARG_ID_STACKRESET:
3466         case SWM_ARG_ID_STACKINIT:
3467                 ws->l_state.horizontal_mwin = 1;
3468                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3469                 ws->l_state.horizontal_stacks = 1;
3470                 break;
3471         case SWM_ARG_ID_MASTERSHRINK:
3472                 if (ws->l_state.horizontal_msize > 1)
3473                         ws->l_state.horizontal_msize--;
3474                 break;
3475         case SWM_ARG_ID_MASTERGROW:
3476                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3477                         ws->l_state.horizontal_msize++;
3478                 break;
3479         case SWM_ARG_ID_MASTERADD:
3480                 ws->l_state.horizontal_mwin++;
3481                 break;
3482         case SWM_ARG_ID_MASTERDEL:
3483                 if (ws->l_state.horizontal_mwin > 0)
3484                         ws->l_state.horizontal_mwin--;
3485                 break;
3486         case SWM_ARG_ID_STACKINC:
3487                 ws->l_state.horizontal_stacks++;
3488                 break;
3489         case SWM_ARG_ID_STACKDEC:
3490                 if (ws->l_state.horizontal_stacks > 1)
3491                         ws->l_state.horizontal_stacks--;
3492                 break;
3493         case SWM_ARG_ID_FLIPLAYOUT:
3494                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3495                 break;
3496         default:
3497                 return;
3498         }
3499 }
3500
3501 void
3502 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3503 {
3504         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3505
3506         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3507 }
3508
3509 /* fullscreen view */
3510 void
3511 max_stack(struct workspace *ws, struct swm_geometry *g)
3512 {
3513         struct swm_geometry     gg = *g;
3514         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3515         int                     winno, num_screens;
3516
3517         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3518
3519         if (ws == NULL)
3520                 return;
3521
3522         winno = count_win(ws, 0);
3523         if (winno == 0 && count_win(ws, 1) == 0)
3524                 return;
3525
3526         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3527         TAILQ_FOREACH(win, &ws->winlist, entry) {
3528                 if (win->transient) {
3529                         wintrans = win;
3530                         parent = find_window(win->transient);
3531                         continue;
3532                 }
3533
3534                 if (win->floating && win->floatmaxed == 0 ) {
3535                         /*
3536                          * retain geometry for retrieval on exit from
3537                          * max_stack mode
3538                          */
3539                         store_float_geom(win, ws->r);
3540                         win->floatmaxed = 1;
3541                 }
3542
3543                 /* only reconfigure if necessary */
3544                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3545                     HEIGHT(win) != gg.h) {
3546                         win->g = gg;
3547                         if (bar_enabled){
3548                                 win->bordered = 1;
3549                         } else {
3550                                 win->bordered = 0;
3551                                 WIDTH(win) += 2 * border_width;
3552                                 HEIGHT(win) += 2 * border_width;
3553                         }
3554
3555                         update_window(win);
3556                 }
3557                 /* unmap only if we don't have multi screen */
3558                 if (win != ws->focus)
3559                         if (!(num_screens > 1 || outputs > 1))
3560                                 unmap_window(win);
3561         }
3562
3563         /* put the last transient on top */
3564         if (wintrans) {
3565                 if (parent)
3566                         map_window_raised(parent->id);
3567                 stack_floater(wintrans, ws->r);
3568                 focus_magic(wintrans);
3569         }
3570 }
3571
3572 void
3573 send_to_ws(struct swm_region *r, union arg *args)
3574 {
3575         int                     wsid = args->id;
3576         struct ws_win           *win = NULL, *parent;
3577         struct workspace        *ws, *nws;
3578         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3579         char                    ws_idx_str[SWM_PROPLEN];
3580         union arg               a;
3581
3582         if (wsid >= workspace_limit)
3583                 return;
3584
3585         if (r && r->ws && r->ws->focus)
3586                 win = r->ws->focus;
3587         else
3588                 return;
3589         if (win == NULL)
3590                 return;
3591         if (win->ws->idx == wsid)
3592                 return;
3593
3594         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3595
3596         ws = win->ws;
3597         nws = &win->s->ws[wsid];
3598
3599         a.id = SWM_ARG_ID_FOCUSPREV;
3600         focus(r, &a);
3601         if (win->transient) {
3602                 parent = find_window(win->transient);
3603                 if (parent) {
3604                         unmap_window(parent);
3605                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3606                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3607                         parent->ws = nws;
3608                 }
3609         }
3610         unmap_window(win);
3611         TAILQ_REMOVE(&ws->winlist, win, entry);
3612         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3613         if (TAILQ_EMPTY(&ws->winlist))
3614                 r->ws->focus = NULL;
3615         win->ws = nws;
3616
3617         /* Try to update the window's workspace property */
3618         ws_idx_atom = get_atom_from_string("_SWM_WS");
3619         if (ws_idx_atom &&
3620             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3621                 SWM_PROPLEN) {
3622                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3623                     ws_idx_str);
3624                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3625                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3626                     ws_idx_str);
3627         }
3628
3629         stack();
3630         bar_update();
3631
3632         xcb_flush(conn);
3633 }
3634
3635 void
3636 pressbutton(struct swm_region *r, union arg *args)
3637 {
3638         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3639             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3640         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3641             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3642 }
3643
3644 void
3645 raise_toggle(struct swm_region *r, union arg *args)
3646 {
3647         if (r == NULL || r->ws == NULL)
3648                 return;
3649
3650         r->ws->always_raise = !r->ws->always_raise;
3651
3652         /* bring floaters back to top */
3653         if (r->ws->always_raise == 0)
3654                 stack();
3655
3656         xcb_flush(conn);
3657 }
3658
3659 void
3660 iconify(struct swm_region *r, union arg *args)
3661 {
3662         union arg a;
3663
3664         if (r->ws->focus == NULL)
3665                 return;
3666         unmap_window(r->ws->focus);
3667         update_iconic(r->ws->focus, 1);
3668         stack();
3669
3670         r->ws->focus = NULL;
3671         a.id = SWM_ARG_ID_FOCUSCUR;
3672         focus(r, &a);
3673
3674         xcb_flush(conn);
3675 }
3676
3677 char *
3678 get_win_name(xcb_window_t win)
3679 {
3680         char                            *name = NULL;
3681         xcb_get_property_cookie_t       c;
3682         xcb_icccm_get_text_property_reply_t     r;
3683
3684         c = xcb_icccm_get_wm_name(conn, win);
3685         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3686                 if (r.name_len > 0) {
3687                         name = malloc(r.name_len + 1);
3688                         if (!name) {
3689                                 xcb_icccm_get_text_property_reply_wipe(&r);
3690                                 return (NULL);
3691                         }
3692                         memcpy(name, r.name, r.name_len);
3693                         name[r.name_len] = '\0';
3694                 }
3695                 xcb_icccm_get_text_property_reply_wipe(&r);
3696         }
3697
3698         return (name);
3699 }
3700
3701 void
3702 uniconify(struct swm_region *r, union arg *args)
3703 {
3704         struct ws_win           *win;
3705         FILE                    *lfile;
3706         char                    *name;
3707         int                     count = 0;
3708
3709         DNPRINTF(SWM_D_MISC, "uniconify\n");
3710
3711         if (r == NULL || r->ws == NULL)
3712                 return;
3713
3714         /* make sure we have anything to uniconify */
3715         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3716                 if (win->ws == NULL)
3717                         continue; /* should never happen */
3718                 if (win->iconic == 0)
3719                         continue;
3720                 count++;
3721         }
3722         if (count == 0)
3723                 return;
3724
3725         search_r = r;
3726         search_resp_action = SWM_SEARCH_UNICONIFY;
3727
3728         spawn_select(r, args, "search", &searchpid);
3729
3730         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3731                 return;
3732
3733         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3734                 if (win->ws == NULL)
3735                         continue; /* should never happen */
3736                 if (win->iconic == 0)
3737                         continue;
3738
3739                 name = get_win_name(win->id);
3740                 if (name == NULL)
3741                         continue;
3742                 fprintf(lfile, "%s.%u\n", name, win->id);
3743                 free(name);
3744         }
3745
3746         fclose(lfile);
3747
3748         xcb_flush(conn);
3749 }
3750
3751 void
3752 name_workspace(struct swm_region *r, union arg *args)
3753 {
3754         FILE                    *lfile;
3755
3756         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3757
3758         if (r == NULL)
3759                 return;
3760
3761         search_r = r;
3762         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3763
3764         spawn_select(r, args, "name_workspace", &searchpid);
3765
3766         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3767                 return;
3768
3769         fprintf(lfile, "%s", "");
3770         fclose(lfile);
3771 }
3772
3773 void
3774 search_workspace(struct swm_region *r, union arg *args)
3775 {
3776         int                     i;
3777         struct workspace        *ws;
3778         FILE                    *lfile;
3779
3780         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3781
3782         if (r == NULL)
3783                 return;
3784
3785         search_r = r;
3786         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3787
3788         spawn_select(r, args, "search", &searchpid);
3789
3790         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3791                 return;
3792
3793         for (i = 0; i < workspace_limit; i++) {
3794                 ws = &r->s->ws[i];
3795                 if (ws == NULL)
3796                         continue;
3797                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3798                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3799         }
3800
3801         fclose(lfile);
3802 }
3803
3804 void
3805 search_win_cleanup(void)
3806 {
3807         struct search_window    *sw = NULL;
3808
3809         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3810                 xcb_destroy_window(conn, sw->indicator);
3811                 xcb_free_gc(conn, sw->gc);
3812                 TAILQ_REMOVE(&search_wl, sw, entry);
3813                 free(sw);
3814         }
3815 }
3816
3817 void
3818 search_win(struct swm_region *r, union arg *args)
3819 {
3820         struct ws_win           *win = NULL;
3821         struct search_window    *sw = NULL;
3822         xcb_window_t            w;
3823         uint32_t                gcv[3], wa[2];
3824         int                     i;
3825         char                    s[8];
3826         FILE                    *lfile;
3827         size_t                  len;
3828         XRectangle              ibox, lbox;
3829
3830         DNPRINTF(SWM_D_MISC, "search_win\n");
3831
3832         search_r = r;
3833         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3834
3835         spawn_select(r, args, "search", &searchpid);
3836
3837         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3838                 return;
3839
3840         TAILQ_INIT(&search_wl);
3841
3842         i = 1;
3843         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3844                 if (win->iconic == 1)
3845                         continue;
3846
3847                 sw = calloc(1, sizeof(struct search_window));
3848                 if (sw == NULL) {
3849                         warn("search_win: calloc");
3850                         fclose(lfile);
3851                         search_win_cleanup();
3852                         return;
3853                 }
3854                 sw->idx = i;
3855                 sw->win = win;
3856
3857                 snprintf(s, sizeof s, "%d", i);
3858                 len = strlen(s);
3859
3860                 /* FIXME fix calculations */
3861 #if 0
3862                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3863 #endif
3864
3865                 w = xcb_generate_id(conn);
3866                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3867                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3868 #if 0
3869                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3870                     lbox.width + 4, bar_fs_extents->max_logical_extent.height,
3871                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3872                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3873 #else
3874                 /* workaround */
3875                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3876                     22, 20, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
3877                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
3878                     XCB_CW_BORDER_PIXEL, wa);
3879 #endif
3880
3881                 sw->indicator = w;
3882                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3883
3884                 sw->gc = xcb_generate_id(conn);
3885                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3886                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].color;
3887                 gcv[2] = 0;
3888                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3889                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
3890                 map_window_raised(w);
3891
3892 #if 0
3893                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3894                     (bar_fs_extents->max_logical_extent.height -
3895                     lbox.height) / 2 - lbox.y, s);
3896 #else
3897                 /* workaround */
3898                 xcb_image_text_8(conn, len, w, sw->gc, 6, 14, s);
3899 #endif
3900
3901                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3902
3903                 fprintf(lfile, "%d\n", i);
3904                 i++;
3905         }
3906
3907         fclose(lfile);
3908
3909         xcb_flush(conn);
3910 }
3911
3912 void
3913 search_resp_uniconify(char *resp, unsigned long len)
3914 {
3915         char                    *name;
3916         struct ws_win           *win;
3917         char                    *s;
3918
3919         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3920
3921         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3922                 if (win->iconic == 0)
3923                         continue;
3924                 name = get_win_name(win->id);
3925                 if (name == NULL)
3926                         continue;
3927                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3928                         free(name);
3929                         continue;
3930                 }
3931                 free(name);
3932                 if (strncmp(s, resp, len) == 0) {
3933                         /* XXX this should be a callback to generalize */
3934                         update_iconic(win, 0);
3935                         free(s);
3936                         break;
3937                 }
3938                 free(s);
3939         }
3940 }
3941
3942 void
3943 search_resp_name_workspace(char *resp, unsigned long len)
3944 {
3945         struct workspace        *ws;
3946
3947         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3948
3949         if (search_r->ws == NULL)
3950                 return;
3951         ws = search_r->ws;
3952
3953         if (ws->name) {
3954                 free(search_r->ws->name);
3955                 search_r->ws->name = NULL;
3956         }
3957
3958         if (len > 1) {
3959                 ws->name = strdup(resp);
3960                 if (ws->name == NULL) {
3961                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3962                             "strdup: %s", strerror(errno));
3963                         return;
3964                 }
3965         }
3966 }
3967
3968 void
3969 search_resp_search_workspace(char *resp, unsigned long len)
3970 {
3971         char                    *p, *q;
3972         int                     ws_idx;
3973         const char              *errstr;
3974         union arg               a;
3975
3976         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3977
3978         q = strdup(resp);
3979         if (!q) {
3980                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3981                     strerror(errno));
3982                 return;
3983         }
3984         p = strchr(q, ':');
3985         if (p != NULL)
3986                 *p = '\0';
3987         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3988         if (errstr) {
3989                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3990                     errstr, q);
3991                 free(q);
3992                 return;
3993         }
3994         free(q);
3995         a.id = ws_idx - 1;
3996         switchws(search_r, &a);
3997 }
3998
3999 void
4000 search_resp_search_window(char *resp, unsigned long len)
4001 {
4002         char                    *s;
4003         int                     idx;
4004         const char              *errstr;
4005         struct search_window    *sw;
4006
4007         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4008
4009         s = strdup(resp);
4010         if (!s) {
4011                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4012                     strerror(errno));
4013                 return;
4014         }
4015
4016         idx = strtonum(s, 1, INT_MAX, &errstr);
4017         if (errstr) {
4018                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4019                     errstr, s);
4020                 free(s);
4021                 return;
4022         }
4023         free(s);
4024
4025         TAILQ_FOREACH(sw, &search_wl, entry)
4026                 if (idx == sw->idx) {
4027                         focus_win(sw->win);
4028                         break;
4029                 }
4030 }
4031
4032 #define MAX_RESP_LEN    1024
4033
4034 void
4035 search_do_resp(void)
4036 {
4037         ssize_t                 rbytes;
4038         char                    *resp;
4039         unsigned long           len;
4040
4041         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4042
4043         search_resp = 0;
4044         searchpid = 0;
4045
4046         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4047                 warn("search: calloc");
4048                 goto done;
4049         }
4050
4051         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4052         if (rbytes <= 0) {
4053                 warn("search: read error");
4054                 goto done;
4055         }
4056         resp[rbytes] = '\0';
4057
4058         /* XXX:
4059          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4060          * newline, so work around that by sanitizing the resp now.
4061          */
4062         resp[strcspn(resp, "\n")] = '\0';
4063         len = strlen(resp);
4064
4065         switch (search_resp_action) {
4066         case SWM_SEARCH_UNICONIFY:
4067                 search_resp_uniconify(resp, len);
4068                 break;
4069         case SWM_SEARCH_NAME_WORKSPACE:
4070                 search_resp_name_workspace(resp, len);
4071                 break;
4072         case SWM_SEARCH_SEARCH_WORKSPACE:
4073                 search_resp_search_workspace(resp, len);
4074                 break;
4075         case SWM_SEARCH_SEARCH_WINDOW:
4076                 search_resp_search_window(resp, len);
4077                 break;
4078         }
4079
4080 done:
4081         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4082                 search_win_cleanup();
4083
4084         search_resp_action = SWM_SEARCH_NONE;
4085         close(select_resp_pipe[0]);
4086         free(resp);
4087 }
4088
4089 void
4090 wkill(struct swm_region *r, union arg *args)
4091 {
4092         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4093
4094         if (r->ws->focus == NULL)
4095                 return;
4096
4097         if (args->id == SWM_ARG_ID_KILLWINDOW)
4098                 xcb_kill_client(conn, r->ws->focus->id);
4099         else
4100                 if (r->ws->focus->can_delete)
4101                         client_msg(r->ws->focus, a_delete);
4102
4103         xcb_flush(conn);
4104 }
4105
4106
4107 int
4108 floating_toggle_win(struct ws_win *win)
4109 {
4110         struct swm_region       *r;
4111
4112         if (win == NULL)
4113                 return (0);
4114
4115         if (!win->ws->r)
4116                 return (0);
4117
4118         r = win->ws->r;
4119
4120         /* reject floating toggles in max stack mode */
4121         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4122                 return (0);
4123
4124         if (win->floating) {
4125                 if (!win->floatmaxed) {
4126                         /* retain position for refloat */
4127                         store_float_geom(win, r);
4128                 }
4129                 win->floating = 0;
4130         } else {
4131                 if (win->g_floatvalid) {
4132                         /* refloat at last floating relative position */
4133                         X(win) = win->g_float.x + X(r);
4134                         Y(win) = win->g_float.y + Y(r);
4135                         WIDTH(win) = win->g_float.w;
4136                         HEIGHT(win) = win->g_float.h;
4137                 }
4138                 win->floating = 1;
4139         }
4140
4141         ewmh_update_actions(win);
4142
4143         return (1);
4144 }
4145
4146 void
4147 floating_toggle(struct swm_region *r, union arg *args)
4148 {
4149         struct ws_win           *win = r->ws->focus;
4150         union arg               a;
4151
4152         if (win == NULL)
4153                 return;
4154
4155         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4156             _NET_WM_STATE_TOGGLE);
4157
4158         stack();
4159
4160         if (win == win->ws->focus) {
4161                 a.id = SWM_ARG_ID_FOCUSCUR;
4162                 focus(win->ws->r, &a);
4163         }
4164
4165         xcb_flush(conn);
4166         event_drain(XCB_ENTER_NOTIFY);
4167 }
4168
4169 void
4170 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4171 {
4172         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4173                 if (resizable)
4174                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4175                 else
4176                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4177         }
4178
4179         if (X(win) + BORDER(win) < X(r)) {
4180                 if (resizable)
4181                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4182
4183                 X(win) = X(r) - BORDER(win);
4184         }
4185
4186         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4187                 if (resizable)
4188                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4189                 else
4190                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4191         }
4192
4193         if (Y(win) + BORDER(win) < Y(r)) {
4194                 if (resizable)
4195                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4196
4197                 Y(win) = Y(r) - BORDER(win);
4198         }
4199
4200         if (resizable) {
4201                 if (WIDTH(win) < 1)
4202                         WIDTH(win) = 1;
4203                 if (HEIGHT(win) < 1)
4204                         HEIGHT(win) = 1;
4205         }
4206 }
4207
4208 void
4209 update_window(struct ws_win *win)
4210 {
4211         uint16_t        mask;
4212         uint32_t        wc[5];
4213
4214         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4215                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4216                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4217         wc[0] = X(win);
4218         wc[1] = Y(win);
4219         wc[2] = WIDTH(win);
4220         wc[3] = HEIGHT(win);
4221         wc[4] = BORDER(win);
4222
4223         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4224             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4225             wc[3], YESNO(win->bordered));
4226
4227         xcb_configure_window(conn, win->id, mask, wc);
4228 }
4229
4230 #define SWM_RESIZE_STEPS        (50)
4231
4232 void
4233 resize(struct ws_win *win, union arg *args)
4234 {
4235         xcb_timestamp_t         timestamp = 0;
4236         struct swm_region       *r = NULL;
4237         int                     resize_step = 0;
4238         struct swm_geometry     g;
4239         int                     top = 0, left = 0, resizing;
4240         int                     dx, dy;
4241         unsigned int            shape; /* cursor style */
4242         xcb_cursor_t            cursor;
4243         xcb_font_t              cursor_font;
4244         xcb_grab_pointer_cookie_t       gpc;
4245         xcb_grab_pointer_reply_t        *gpr;
4246         xcb_query_pointer_reply_t       *xpr;
4247         xcb_generic_event_t             *evt;
4248         xcb_motion_notify_event_t       *mne;
4249
4250         if (win == NULL)
4251                 return;
4252         r = win->ws->r;
4253
4254         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4255                 return;
4256
4257         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4258             "transient: 0x%x\n", win->id, YESNO(win->floating),
4259             win->transient);
4260
4261         if (!(win->transient != 0 || win->floating != 0))
4262                 return;
4263
4264         /* reject resizes in max mode for floaters (transient ok) */
4265         if (win->floatmaxed)
4266                 return;
4267
4268         win->manual = 1;
4269         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4270             _NET_WM_STATE_ADD);
4271
4272         stack();
4273
4274         switch (args->id) {
4275         case SWM_ARG_ID_WIDTHSHRINK:
4276                 WIDTH(win) -= SWM_RESIZE_STEPS;
4277                 resize_step = 1;
4278                 break;
4279         case SWM_ARG_ID_WIDTHGROW:
4280                 WIDTH(win) += SWM_RESIZE_STEPS;
4281                 resize_step = 1;
4282                 break;
4283         case SWM_ARG_ID_HEIGHTSHRINK:
4284                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4285                 resize_step = 1;
4286                 break;
4287         case SWM_ARG_ID_HEIGHTGROW:
4288                 HEIGHT(win) += SWM_RESIZE_STEPS;
4289                 resize_step = 1;
4290                 break;
4291         default:
4292                 break;
4293         }
4294         if (resize_step) {
4295                 constrain_window(win, r, 1);
4296                 update_window(win);
4297                 store_float_geom(win,r);
4298                 return;
4299         }
4300
4301         /* get cursor offset from window root */
4302         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4303             NULL);
4304         if (!xpr)
4305                 return;
4306
4307         g = win->g;
4308
4309         if (xpr->win_x < WIDTH(win) / 2)
4310                 left = 1;
4311
4312         if (xpr->win_y < HEIGHT(win) / 2)
4313                 top = 1;
4314
4315         if (args->id == SWM_ARG_ID_CENTER)
4316                 shape = XC_sizing;
4317         else if (top)
4318                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4319         else
4320                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4321
4322         cursor_font = xcb_generate_id(conn);
4323         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4324
4325         cursor = xcb_generate_id(conn);
4326         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4327             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4328
4329         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4330             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4331             XCB_CURRENT_TIME),
4332         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4333         if (!gpr) {
4334                 xcb_free_cursor(conn, cursor);
4335                 xcb_close_font(conn, cursor_font);
4336                 free(xpr);
4337                 return;
4338         }
4339
4340         xcb_flush(conn);
4341         resizing = 1;
4342         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4343                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4344                 case XCB_BUTTON_RELEASE:
4345                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4346                         resizing = 0;
4347                         break;
4348                 case XCB_MOTION_NOTIFY:
4349                         mne = (xcb_motion_notify_event_t *)evt;
4350                         /* cursor offset/delta from start of the operation */
4351                         dx = mne->root_x - xpr->root_x;
4352                         dy = mne->root_y - xpr->root_y;
4353
4354                         /* vertical */
4355                         if (top)
4356                                 dy = -dy;
4357
4358                         if (args->id == SWM_ARG_ID_CENTER) {
4359                                 if (g.h / 2 + dy < 1)
4360                                         dy = 1 - g.h / 2;
4361
4362                                 Y(win) = g.y - dy;
4363                                 HEIGHT(win) = g.h + 2 * dy;
4364                         } else {
4365                                 if (g.h + dy < 1)
4366                                         dy = 1 - g.h;
4367
4368                                 if (top)
4369                                         Y(win) = g.y - dy;
4370
4371                                 HEIGHT(win) = g.h + dy;
4372                         }
4373
4374                         /* horizontal */
4375                         if (left)
4376                                 dx = -dx;
4377
4378                         if (args->id == SWM_ARG_ID_CENTER) {
4379                                 if (g.w / 2 + dx < 1)
4380                                         dx = 1 - g.w / 2;
4381
4382                                 X(win) = g.x - dx;
4383                                 WIDTH(win) = g.w + 2 * dx;
4384                         } else {
4385                                 if (g.w + dx < 1)
4386                                         dx = 1 - g.w;
4387
4388                                 if (left)
4389                                         X(win) = g.x - dx;
4390
4391                                 WIDTH(win) = g.w + dx;
4392                         }
4393
4394                         constrain_window(win, r, 1);
4395
4396                         /* not free, don't sync more than 120 times / second */
4397                         if ((mne->time - timestamp) > (1000 / 120) ) {
4398                                 timestamp = mne->time;
4399                                 do_sync();
4400                                 update_window(win);
4401                         }
4402                         break;
4403                 default:
4404                         event_handle(evt);
4405                         break;
4406                 }
4407                 free(evt);
4408         }
4409         if (timestamp) {
4410                 do_sync();
4411                 update_window(win);
4412         }
4413         store_float_geom(win,r);
4414
4415         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4416         xcb_free_cursor(conn, cursor);
4417         xcb_close_font(conn, cursor_font);
4418         free(gpr);
4419         free(xpr);
4420         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4421 }
4422
4423 void
4424 resize_step(struct swm_region *r, union arg *args)
4425 {
4426         struct ws_win           *win = NULL;
4427
4428         if (r && r->ws && r->ws->focus)
4429                 win = r->ws->focus;
4430         else
4431                 return;
4432
4433         resize(win, args);
4434 }
4435
4436 #define SWM_MOVE_STEPS  (50)
4437
4438 void
4439 move(struct ws_win *win, union arg *args)
4440 {
4441         xcb_timestamp_t         timestamp = 0;
4442         int                     move_step = 0, moving;
4443         struct swm_region       *r = NULL;
4444         xcb_font_t                      cursor_font;
4445         xcb_cursor_t                    cursor;
4446         xcb_grab_pointer_cookie_t       gpc;
4447         xcb_grab_pointer_reply_t        *gpr;
4448         xcb_query_pointer_reply_t       *qpr;
4449         xcb_generic_event_t             *evt;
4450         xcb_motion_notify_event_t       *mne;
4451
4452         if (win == NULL)
4453                 return;
4454         r = win->ws->r;
4455
4456         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4457                 return;
4458
4459         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4460             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4461
4462         /* in max_stack mode should only move transients */
4463         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4464                 return;
4465
4466         win->manual = 1;
4467         if (win->floating == 0 && !win->transient) {
4468                 store_float_geom(win, r);
4469                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4470                     _NET_WM_STATE_ADD);
4471         }
4472         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4473             _NET_WM_STATE_ADD);
4474
4475         stack();
4476
4477         move_step = 0;
4478         switch (args->id) {
4479         case SWM_ARG_ID_MOVELEFT:
4480                 X(win) -= (SWM_MOVE_STEPS - border_width);
4481                 move_step = 1;
4482                 break;
4483         case SWM_ARG_ID_MOVERIGHT:
4484                 X(win) += (SWM_MOVE_STEPS - border_width);
4485                 move_step = 1;
4486                 break;
4487         case SWM_ARG_ID_MOVEUP:
4488                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4489                 move_step = 1;
4490                 break;
4491         case SWM_ARG_ID_MOVEDOWN:
4492                 Y(win) += (SWM_MOVE_STEPS - border_width);
4493                 move_step = 1;
4494                 break;
4495         default:
4496                 break;
4497         }
4498         if (move_step) {
4499                 constrain_window(win, r, 0);
4500                 update_window(win);
4501                 store_float_geom(win, r);
4502                 return;
4503         }
4504
4505         cursor_font = xcb_generate_id(conn);
4506         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4507
4508         cursor = xcb_generate_id(conn);
4509         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4510                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4511
4512         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4513             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4514             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4515         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4516         if (!gpr) {
4517                 xcb_free_cursor(conn, cursor);
4518                 xcb_close_font(conn, cursor_font);
4519                 return;
4520         }
4521
4522         /* get cursor offset from window root */
4523         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4524                 NULL);
4525         if (!qpr) {
4526                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4527                 xcb_free_cursor(conn, cursor);
4528                 xcb_close_font(conn, cursor_font);
4529                 return;
4530         }
4531
4532         xcb_flush(conn);
4533         moving = 1;
4534         while ((evt = xcb_wait_for_event(conn)) && moving) {
4535                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4536                 case XCB_BUTTON_RELEASE:
4537                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4538                         moving = 0;
4539                         break;
4540                 case XCB_MOTION_NOTIFY:
4541                         mne = (xcb_motion_notify_event_t *)evt;
4542                         X(win) = mne->root_x - qpr->win_x - border_width;
4543                         Y(win) = mne->root_y - qpr->win_y - border_width;
4544
4545                         constrain_window(win, r, 0);
4546
4547                         /* not free, don't sync more than 120 times / second */
4548                         if ((mne->time - timestamp) > (1000 / 120) ) {
4549                                 timestamp = mne->time;
4550                                 do_sync();
4551                                 update_window(win);
4552                         }
4553                         break;
4554                 default:
4555                         event_handle(evt);
4556                         break;
4557                 }
4558                 free(evt);
4559         }
4560         if (timestamp) {
4561                 do_sync();
4562                 update_window(win);
4563         }
4564         store_float_geom(win, r);
4565         free(qpr);
4566         xcb_free_cursor(conn, cursor);
4567         xcb_close_font(conn, cursor_font);
4568         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4569         DNPRINTF(SWM_D_EVENT, "move: done\n");
4570 }
4571
4572 void
4573 move_step(struct swm_region *r, union arg *args)
4574 {
4575         struct ws_win           *win = NULL;
4576
4577         if (r && r->ws && r->ws->focus)
4578                 win = r->ws->focus;
4579         else
4580                 return;
4581
4582         if (!(win->transient != 0 || win->floating != 0))
4583                 return;
4584
4585         move(win, args);
4586 }
4587
4588
4589 /* user/key callable function IDs */
4590 enum keyfuncid {
4591         KF_BAR_TOGGLE,
4592         KF_BUTTON2,
4593         KF_CYCLE_LAYOUT,
4594         KF_FLIP_LAYOUT,
4595         KF_FLOAT_TOGGLE,
4596         KF_FOCUS_MAIN,
4597         KF_FOCUS_NEXT,
4598         KF_FOCUS_PREV,
4599         KF_HEIGHT_GROW,
4600         KF_HEIGHT_SHRINK,
4601         KF_ICONIFY,
4602         KF_MASTER_SHRINK,
4603         KF_MASTER_GROW,
4604         KF_MASTER_ADD,
4605         KF_MASTER_DEL,
4606         KF_MOVE_DOWN,
4607         KF_MOVE_LEFT,
4608         KF_MOVE_RIGHT,
4609         KF_MOVE_UP,
4610         KF_MVWS_1,
4611         KF_MVWS_2,
4612         KF_MVWS_3,
4613         KF_MVWS_4,
4614         KF_MVWS_5,
4615         KF_MVWS_6,
4616         KF_MVWS_7,
4617         KF_MVWS_8,
4618         KF_MVWS_9,
4619         KF_MVWS_10,
4620         KF_MVWS_11,
4621         KF_MVWS_12,
4622         KF_MVWS_13,
4623         KF_MVWS_14,
4624         KF_MVWS_15,
4625         KF_MVWS_16,
4626         KF_MVWS_17,
4627         KF_MVWS_18,
4628         KF_MVWS_19,
4629         KF_MVWS_20,
4630         KF_MVWS_21,
4631         KF_MVWS_22,
4632         KF_NAME_WORKSPACE,
4633         KF_QUIT,
4634         KF_RAISE_TOGGLE,
4635         KF_RESTART,
4636         KF_SCREEN_NEXT,
4637         KF_SCREEN_PREV,
4638         KF_SEARCH_WIN,
4639         KF_SEARCH_WORKSPACE,
4640         KF_SPAWN_CUSTOM,
4641         KF_STACK_INC,
4642         KF_STACK_DEC,
4643         KF_STACK_RESET,
4644         KF_SWAP_MAIN,
4645         KF_SWAP_NEXT,
4646         KF_SWAP_PREV,
4647         KF_UNICONIFY,
4648         KF_VERSION,
4649         KF_WIDTH_GROW,
4650         KF_WIDTH_SHRINK,
4651         KF_WIND_DEL,
4652         KF_WIND_KILL,
4653         KF_WS_1,
4654         KF_WS_2,
4655         KF_WS_3,
4656         KF_WS_4,
4657         KF_WS_5,
4658         KF_WS_6,
4659         KF_WS_7,
4660         KF_WS_8,
4661         KF_WS_9,
4662         KF_WS_10,
4663         KF_WS_11,
4664         KF_WS_12,
4665         KF_WS_13,
4666         KF_WS_14,
4667         KF_WS_15,
4668         KF_WS_16,
4669         KF_WS_17,
4670         KF_WS_18,
4671         KF_WS_19,
4672         KF_WS_20,
4673         KF_WS_21,
4674         KF_WS_22,
4675         KF_WS_NEXT,
4676         KF_WS_NEXT_ALL,
4677         KF_WS_PREV,
4678         KF_WS_PREV_ALL,
4679         KF_WS_PRIOR,
4680         KF_DUMPWINS, /* MUST BE LAST */
4681         KF_INVALID
4682 };
4683
4684 /* key definitions */
4685 struct keyfunc {
4686         char                    name[SWM_FUNCNAME_LEN];
4687         void                    (*func)(struct swm_region *r, union arg *);
4688         union arg               args;
4689 } keyfuncs[KF_INVALID + 1] = {
4690         /* name                 function        argument */
4691         { "bar_toggle",         bar_toggle,     {0} },
4692         { "button2",            pressbutton,    {2} },
4693         { "cycle_layout",       cycle_layout,   {0} },
4694         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4695         { "float_toggle",       floating_toggle,{0} },
4696         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4697         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4698         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4699         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4700         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4701         { "iconify",            iconify,        {0} },
4702         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4703         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4704         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4705         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4706         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4707         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4708         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4709         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4710         { "mvws_1",             send_to_ws,     {.id = 0} },
4711         { "mvws_2",             send_to_ws,     {.id = 1} },
4712         { "mvws_3",             send_to_ws,     {.id = 2} },
4713         { "mvws_4",             send_to_ws,     {.id = 3} },
4714         { "mvws_5",             send_to_ws,     {.id = 4} },
4715         { "mvws_6",             send_to_ws,     {.id = 5} },
4716         { "mvws_7",             send_to_ws,     {.id = 6} },
4717         { "mvws_8",             send_to_ws,     {.id = 7} },
4718         { "mvws_9",             send_to_ws,     {.id = 8} },
4719         { "mvws_10",            send_to_ws,     {.id = 9} },
4720         { "mvws_11",            send_to_ws,     {.id = 10} },
4721         { "mvws_12",            send_to_ws,     {.id = 11} },
4722         { "mvws_13",            send_to_ws,     {.id = 12} },
4723         { "mvws_14",            send_to_ws,     {.id = 13} },
4724         { "mvws_15",            send_to_ws,     {.id = 14} },
4725         { "mvws_16",            send_to_ws,     {.id = 15} },
4726         { "mvws_17",            send_to_ws,     {.id = 16} },
4727         { "mvws_18",            send_to_ws,     {.id = 17} },
4728         { "mvws_19",            send_to_ws,     {.id = 18} },
4729         { "mvws_20",            send_to_ws,     {.id = 19} },
4730         { "mvws_21",            send_to_ws,     {.id = 20} },
4731         { "mvws_22",            send_to_ws,     {.id = 21} },
4732         { "name_workspace",     name_workspace, {0} },
4733         { "quit",               quit,           {0} },
4734         { "raise_toggle",       raise_toggle,   {0} },
4735         { "restart",            restart,        {0} },
4736         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4737         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4738         { "search_win",         search_win,     {0} },
4739         { "search_workspace",   search_workspace,       {0} },
4740         { "spawn_custom",       NULL,           {0} },
4741         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4742         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4743         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4744         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4745         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4746         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4747         { "uniconify",          uniconify,      {0} },
4748         { "version",            version,        {0} },
4749         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4750         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4751         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4752         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4753         { "ws_1",               switchws,       {.id = 0} },
4754         { "ws_2",               switchws,       {.id = 1} },
4755         { "ws_3",               switchws,       {.id = 2} },
4756         { "ws_4",               switchws,       {.id = 3} },
4757         { "ws_5",               switchws,       {.id = 4} },
4758         { "ws_6",               switchws,       {.id = 5} },
4759         { "ws_7",               switchws,       {.id = 6} },
4760         { "ws_8",               switchws,       {.id = 7} },
4761         { "ws_9",               switchws,       {.id = 8} },
4762         { "ws_10",              switchws,       {.id = 9} },
4763         { "ws_11",              switchws,       {.id = 10} },
4764         { "ws_12",              switchws,       {.id = 11} },
4765         { "ws_13",              switchws,       {.id = 12} },
4766         { "ws_14",              switchws,       {.id = 13} },
4767         { "ws_15",              switchws,       {.id = 14} },
4768         { "ws_16",              switchws,       {.id = 15} },
4769         { "ws_17",              switchws,       {.id = 16} },
4770         { "ws_18",              switchws,       {.id = 17} },
4771         { "ws_19",              switchws,       {.id = 18} },
4772         { "ws_20",              switchws,       {.id = 19} },
4773         { "ws_21",              switchws,       {.id = 20} },
4774         { "ws_22",              switchws,       {.id = 21} },
4775         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4776         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4777         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4778         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4779         { "ws_prior",           priorws,        {0} },
4780         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4781         { "invalid key func",   NULL,           {0} },
4782 };
4783 struct key {
4784         RB_ENTRY(key)           entry;
4785         unsigned int            mod;
4786         KeySym                  keysym;
4787         enum keyfuncid          funcid;
4788         char                    *spawn_name;
4789 };
4790 RB_HEAD(key_tree, key);
4791
4792 int
4793 key_cmp(struct key *kp1, struct key *kp2)
4794 {
4795         if (kp1->keysym < kp2->keysym)
4796                 return (-1);
4797         if (kp1->keysym > kp2->keysym)
4798                 return (1);
4799
4800         if (kp1->mod < kp2->mod)
4801                 return (-1);
4802         if (kp1->mod > kp2->mod)
4803                 return (1);
4804
4805         return (0);
4806 }
4807
4808 RB_GENERATE(key_tree, key, entry, key_cmp);
4809 struct key_tree                 keys;
4810
4811 /* mouse */
4812 enum { client_click, root_click };
4813 struct button {
4814         unsigned int            action;
4815         unsigned int            mask;
4816         unsigned int            button;
4817         void                    (*func)(struct ws_win *, union arg *);
4818         union arg               args;
4819 } buttons[] = {
4820           /* action     key             mouse button    func    args */
4821         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4822         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4823         { client_click, MODKEY,         Button1,        move,   {0} },
4824 };
4825
4826 void
4827 update_modkey(unsigned int mod)
4828 {
4829         int                     i;
4830         struct key              *kp;
4831
4832         mod_key = mod;
4833         RB_FOREACH(kp, key_tree, &keys)
4834                 if (kp->mod & ShiftMask)
4835                         kp->mod = mod | ShiftMask;
4836                 else
4837                         kp->mod = mod;
4838
4839         for (i = 0; i < LENGTH(buttons); i++)
4840                 if (buttons[i].mask & ShiftMask)
4841                         buttons[i].mask = mod | ShiftMask;
4842                 else
4843                         buttons[i].mask = mod;
4844 }
4845
4846 /* spawn */
4847 struct spawn_prog {
4848         TAILQ_ENTRY(spawn_prog) entry;
4849         char                    *name;
4850         int                     argc;
4851         char                    **argv;
4852 };
4853 TAILQ_HEAD(spawn_list, spawn_prog);
4854 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4855
4856 int
4857 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4858     char ***ret_args)
4859 {
4860         struct spawn_prog       *prog = NULL;
4861         int                     i;
4862         char                    *ap, **real_args;
4863
4864         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4865
4866         /* find program */
4867         TAILQ_FOREACH(prog, &spawns, entry) {
4868                 if (!strcasecmp(spawn_name, prog->name))
4869                         break;
4870         }
4871         if (prog == NULL) {
4872                 warnx("spawn_custom: program %s not found", spawn_name);
4873                 return (-1);
4874         }
4875
4876         /* make room for expanded args */
4877         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4878                 err(1, "spawn_custom: calloc real_args");
4879
4880         /* expand spawn_args into real_args */
4881         for (i = 0; i < prog->argc; i++) {
4882                 ap = prog->argv[i];
4883                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4884                 if (!strcasecmp(ap, "$bar_border")) {
4885                         if ((real_args[i] =
4886                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4887                             == NULL)
4888                                 err(1,  "spawn_custom border color");
4889                 } else if (!strcasecmp(ap, "$bar_color")) {
4890                         if ((real_args[i] =
4891                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4892                             == NULL)
4893                                 err(1, "spawn_custom bar color");
4894                 } else if (!strcasecmp(ap, "$bar_font")) {
4895                         if ((real_args[i] = strdup(bar_fonts))
4896                             == NULL)
4897                                 err(1, "spawn_custom bar fonts");
4898                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4899                         if ((real_args[i] =
4900                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4901                             == NULL)
4902                                 err(1, "spawn_custom color font");
4903                 } else if (!strcasecmp(ap, "$color_focus")) {
4904                         if ((real_args[i] =
4905                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4906                             == NULL)
4907                                 err(1, "spawn_custom color focus");
4908                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4909                         if ((real_args[i] =
4910                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4911                             == NULL)
4912                                 err(1, "spawn_custom color unfocus");
4913                 } else {
4914                         /* no match --> copy as is */
4915                         if ((real_args[i] = strdup(ap)) == NULL)
4916                                 err(1, "spawn_custom strdup(ap)");
4917                 }
4918                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4919                     real_args[i]);
4920         }
4921
4922 #ifdef SWM_DEBUG
4923         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4924         for (i = 0; i < prog->argc; i++)
4925                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4926         DNPRINTF(SWM_D_SPAWN, "\n");
4927 #endif
4928         *ret_args = real_args;
4929         return (prog->argc);
4930 }
4931
4932 void
4933 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4934 {
4935         union arg               a;
4936         char                    **real_args;
4937         int                     spawn_argc, i;
4938
4939         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4940                 return;
4941         a.argv = real_args;
4942         if (fork() == 0)
4943                 spawn(r->ws->idx, &a, 1);
4944
4945         for (i = 0; i < spawn_argc; i++)
4946                 free(real_args[i]);
4947         free(real_args);
4948 }
4949
4950 void
4951 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4952 {
4953         union arg               a;
4954         char                    **real_args;
4955         int                     i, spawn_argc;
4956
4957         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4958                 return;
4959         a.argv = real_args;
4960
4961         if (pipe(select_list_pipe) == -1)
4962                 err(1, "pipe error");
4963         if (pipe(select_resp_pipe) == -1)
4964                 err(1, "pipe error");
4965
4966         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4967                 err(1, "could not disable SIGPIPE");
4968         switch (*pid = fork()) {
4969         case -1:
4970                 err(1, "cannot fork");
4971                 break;
4972         case 0: /* child */
4973                 if (dup2(select_list_pipe[0], 0) == -1)
4974                         err(1, "dup2");
4975                 if (dup2(select_resp_pipe[1], 1) == -1)
4976                         err(1, "dup2");
4977                 close(select_list_pipe[1]);
4978                 close(select_resp_pipe[0]);
4979                 spawn(r->ws->idx, &a, 0);
4980                 break;
4981         default: /* parent */
4982                 close(select_list_pipe[0]);
4983                 close(select_resp_pipe[1]);
4984                 break;
4985         }
4986
4987         for (i = 0; i < spawn_argc; i++)
4988                 free(real_args[i]);
4989         free(real_args);
4990 }
4991
4992 void
4993 spawn_insert(char *name, char *args)
4994 {
4995         char                    *arg, *cp, *ptr;
4996         struct spawn_prog       *sp;
4997
4998         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4999
5000         if ((sp = calloc(1, sizeof *sp)) == NULL)
5001                 err(1, "spawn_insert: malloc");
5002         if ((sp->name = strdup(name)) == NULL)
5003                 err(1, "spawn_insert: strdup");
5004
5005         /* convert the arguments to an argument list */
5006         if ((ptr = cp = strdup(args)) == NULL)
5007                 err(1, "spawn_insert: strdup");
5008         while ((arg = strsep(&ptr, " \t")) != NULL) {
5009                 /* empty field; skip it */
5010                 if (*arg == '\0')
5011                         continue;
5012
5013                 sp->argc++;
5014                 if ((sp->argv = realloc(sp->argv, sp->argc *
5015                     sizeof *sp->argv)) == NULL)
5016                         err(1, "spawn_insert: realloc");
5017                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5018                         err(1, "spawn_insert: strdup");
5019         }
5020         free(cp);
5021
5022         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5023         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5024 }
5025
5026 void
5027 spawn_remove(struct spawn_prog *sp)
5028 {
5029         int                     i;
5030
5031         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5032
5033         TAILQ_REMOVE(&spawns, sp, entry);
5034         for (i = 0; i < sp->argc; i++)
5035                 free(sp->argv[i]);
5036         free(sp->argv);
5037         free(sp->name);
5038         free(sp);
5039
5040         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5041 }
5042
5043 void
5044 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5045 {
5046         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5047
5048         spawn_remove(sp);
5049         spawn_insert(name, args);
5050
5051         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5052 }
5053
5054 void
5055 setspawn(char *name, char *args)
5056 {
5057         struct spawn_prog       *sp;
5058
5059         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5060
5061         if (name == NULL)
5062                 return;
5063
5064         TAILQ_FOREACH(sp, &spawns, entry) {
5065                 if (!strcmp(sp->name, name)) {
5066                         if (*args == '\0')
5067                                 spawn_remove(sp);
5068                         else
5069                                 spawn_replace(sp, name, args);
5070                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5071                         return;
5072                 }
5073         }
5074         if (*args == '\0') {
5075                 warnx("error: setspawn: cannot find program: %s", name);
5076                 return;
5077         }
5078
5079         spawn_insert(name, args);
5080         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5081 }
5082
5083 int
5084 setconfspawn(char *selector, char *value, int flags)
5085 {
5086         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5087
5088         setspawn(selector, value);
5089
5090         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5091         return (0);
5092 }
5093
5094 void
5095 setup_spawn(void)
5096 {
5097         setconfspawn("term",            "xterm",                0);
5098         setconfspawn("spawn_term",      "xterm",                0);
5099         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5100         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5101         setconfspawn("lock",            "xlock",                0);
5102         setconfspawn("initscr",         "initscreen.sh",        0);
5103         setconfspawn("menu",            "dmenu_run"
5104                                         " -fn $bar_font"
5105                                         " -nb $bar_color"
5106                                         " -nf $bar_font_color"
5107                                         " -sb $bar_border"
5108                                         " -sf $bar_color",      0);
5109         setconfspawn("search",          "dmenu"
5110                                         " -i"
5111                                         " -fn $bar_font"
5112                                         " -nb $bar_color"
5113                                         " -nf $bar_font_color"
5114                                         " -sb $bar_border"
5115                                         " -sf $bar_color",      0);
5116         setconfspawn("name_workspace",  "dmenu"
5117                                         " -p Workspace"
5118                                         " -fn $bar_font"
5119                                         " -nb $bar_color"
5120                                         " -nf $bar_font_color"
5121                                         " -sb $bar_border"
5122                                         " -sf $bar_color",      0);
5123 }
5124
5125 /* key bindings */
5126 #define SWM_MODNAME_SIZE        32
5127 #define SWM_KEY_WS              "\n+ \t"
5128 int
5129 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5130 {
5131         char                    *cp, *name;
5132         KeySym                  uks;
5133         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5134         if (mod == NULL || ks == NULL) {
5135                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5136                 return (1);
5137         }
5138         if (keystr == NULL || strlen(keystr) == 0) {
5139                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5140                 return (1);
5141         }
5142         cp = keystr;
5143         *ks = XCB_NO_SYMBOL;
5144         *mod = 0;
5145         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5146                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5147                 if (cp)
5148                         cp += (long)strspn(cp, SWM_KEY_WS);
5149                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5150                         *mod |= currmod;
5151                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5152                         *mod |= Mod1Mask;
5153                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5154                         *mod += Mod2Mask;
5155                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5156                         *mod |= Mod3Mask;
5157                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5158                         *mod |= Mod4Mask;
5159                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5160                         *mod |= ShiftMask;
5161                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5162                         *mod |= ControlMask;
5163                 else {
5164                         *ks = XStringToKeysym(name);
5165                         XConvertCase(*ks, ks, &uks);
5166                         if (ks == XCB_NO_SYMBOL) {
5167                                 DNPRINTF(SWM_D_KEY,
5168                                     "parsekeys: invalid key %s\n",
5169                                     name);
5170                                 return (1);
5171                         }
5172                 }
5173         }
5174         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5175         return (0);
5176 }
5177
5178 char *
5179 strdupsafe(char *str)
5180 {
5181         if (str == NULL)
5182                 return (NULL);
5183         else
5184                 return (strdup(str));
5185 }
5186
5187 void
5188 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5189 {
5190         struct key              *kp;
5191
5192         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5193             keyfuncs[kfid].name, spawn_name);
5194
5195         if ((kp = malloc(sizeof *kp)) == NULL)
5196                 err(1, "key_insert: malloc");
5197
5198         kp->mod = mod;
5199         kp->keysym = ks;
5200         kp->funcid = kfid;
5201         kp->spawn_name = strdupsafe(spawn_name);
5202         RB_INSERT(key_tree, &keys, kp);
5203
5204         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5205 }
5206
5207 struct key *
5208 key_lookup(unsigned int mod, KeySym ks)
5209 {
5210         struct key              kp;
5211
5212         kp.keysym = ks;
5213         kp.mod = mod;
5214
5215         return (RB_FIND(key_tree, &keys, &kp));
5216 }
5217
5218 void
5219 key_remove(struct key *kp)
5220 {
5221         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5222
5223         RB_REMOVE(key_tree, &keys, kp);
5224         free(kp->spawn_name);
5225         free(kp);
5226
5227         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5228 }
5229
5230 void
5231 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5232     char *spawn_name)
5233 {
5234         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5235             spawn_name);
5236
5237         key_remove(kp);
5238         key_insert(mod, ks, kfid, spawn_name);
5239
5240         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5241 }
5242
5243 void
5244 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5245     char *spawn_name)
5246 {
5247         struct key              *kp;
5248
5249         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5250             keyfuncs[kfid].name, spawn_name);
5251
5252         if ((kp = key_lookup(mod, ks)) != NULL) {
5253                 if (kfid == KF_INVALID)
5254                         key_remove(kp);
5255                 else
5256                         key_replace(kp, mod, ks, kfid, spawn_name);
5257                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5258                 return;
5259         }
5260         if (kfid == KF_INVALID) {
5261                 warnx("error: setkeybinding: cannot find mod/key combination");
5262                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5263                 return;
5264         }
5265
5266         key_insert(mod, ks, kfid, spawn_name);
5267         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5268 }
5269
5270 int
5271 setconfbinding(char *selector, char *value, int flags)
5272 {
5273         enum keyfuncid          kfid;
5274         unsigned int            mod;
5275         KeySym                  ks;
5276         struct spawn_prog       *sp;
5277         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5278         if (selector == NULL) {
5279                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5280                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5281                         kfid = KF_INVALID;
5282                         setkeybinding(mod, ks, kfid, NULL);
5283                         return (0);
5284                 } else
5285                         return (1);
5286         }
5287         /* search by key function name */
5288         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5289                 if (strncasecmp(selector, keyfuncs[kfid].name,
5290                     SWM_FUNCNAME_LEN) == 0) {
5291                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5292                             selector);
5293                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5294                                 setkeybinding(mod, ks, kfid, NULL);
5295                                 return (0);
5296                         } else
5297                                 return (1);
5298                 }
5299         }
5300         /* search by custom spawn name */
5301         TAILQ_FOREACH(sp, &spawns, entry) {
5302                 if (strcasecmp(selector, sp->name) == 0) {
5303                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5304                             selector);
5305                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5306                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5307                                     sp->name);
5308                                 return (0);
5309                         } else
5310                                 return (1);
5311                 }
5312         }
5313         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5314         return (1);
5315 }
5316
5317 void
5318 setup_keys(void)
5319 {
5320         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5321         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5322         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5323         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5324         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5325         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5326         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5327         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5328         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5329         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5330         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5331         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5332         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5333         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5334         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5335         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5336         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5337         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5338         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5339         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5340         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5341         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5342         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5343         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5344         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5345         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5346         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5347         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5348         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5349         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5350         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5351         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5352         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5353         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5354         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5355         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5356         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5357         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5358         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5359         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5360         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5361         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5362         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5363         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5364         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5365         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5366         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5367         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5368         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5369         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5370         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5371         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5372         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5373         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5374         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5375         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5376         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5377         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5378         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5379         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5380         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5381         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5382         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5383         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5384         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5385         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5386         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5387         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5388         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5389         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5390         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5391         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5392         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5393         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5394         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5395         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5396         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5397         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5398         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5399         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5400         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5401         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5402         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5403         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5404         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5405         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5406         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5407         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5408         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5409         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5410         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5411         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5412         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5413         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5414         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5415         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5416 #ifdef SWM_DEBUG
5417         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5418 #endif
5419 }
5420
5421 void
5422 clear_keys(void)
5423 {
5424         struct key              *kp;
5425
5426         while (RB_EMPTY(&keys) == 0) {
5427                 kp = RB_ROOT(&keys);
5428                 key_remove(kp);
5429         }
5430 }
5431
5432 int
5433 setkeymapping(char *selector, char *value, int flags)
5434 {
5435         char                    keymapping_file[PATH_MAX];
5436         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5437         if (value[0] == '~')
5438                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5439                     pwd->pw_dir, &value[1]);
5440         else
5441                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5442         clear_keys();
5443         /* load new key bindings; if it fails, revert to default bindings */
5444         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5445                 clear_keys();
5446                 setup_keys();
5447         }
5448         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5449         return (0);
5450 }
5451
5452 void
5453 updatenumlockmask(void)
5454 {
5455         unsigned int                            i, j;
5456         xcb_get_modifier_mapping_reply_t        *modmap_r;
5457         xcb_keycode_t                           *modmap, kc;
5458
5459         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5460         numlockmask = 0;
5461
5462         modmap_r = xcb_get_modifier_mapping_reply(conn,
5463             xcb_get_modifier_mapping(conn),
5464             NULL);
5465         if (modmap_r) {
5466                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5467                 for (i = 0; i < 8; i++) {
5468                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5469                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5470                                     + j];
5471
5472                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5473                                     XK_Num_Lock)))
5474                                         numlockmask = (1 << i);
5475                         }
5476                 }
5477                 free(modmap_r);
5478         }
5479 }
5480
5481 void
5482 grabkeys(void)
5483 {
5484         int                     num_screens;
5485         unsigned int            j, k;
5486         xcb_keycode_t           *code;
5487         unsigned int            modifiers[] =
5488             { 0, LockMask, numlockmask, numlockmask | LockMask };
5489         struct key              *kp;
5490
5491         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5492         updatenumlockmask();
5493
5494         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5495         for (k = 0; k < num_screens; k++) {
5496                 if (TAILQ_EMPTY(&screens[k].rl))
5497                         continue;
5498                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5499                         XCB_MOD_MASK_ANY);
5500                 RB_FOREACH(kp, key_tree, &keys) {
5501                         if ((code = xcb_key_symbols_get_keycode(syms,
5502                                         kp->keysym)))
5503                                 for (j = 0; j < LENGTH(modifiers); j++)
5504                                         xcb_grab_key(conn, True,
5505                                             screens[k].root,
5506                                             kp->mod | modifiers[j],
5507                                             *code, XCB_GRAB_MODE_ASYNC,
5508                                             XCB_GRAB_MODE_ASYNC);
5509                 }
5510         }
5511 }
5512
5513 void
5514 grabbuttons(struct ws_win *win, int focused)
5515 {
5516         unsigned int            i, j;
5517         unsigned int            modifiers[] =
5518             { 0, LockMask, numlockmask, numlockmask|LockMask };
5519
5520         updatenumlockmask();
5521         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5522             XCB_BUTTON_MASK_ANY);
5523         if (focused) {
5524                 for (i = 0; i < LENGTH(buttons); i++)
5525                         if (buttons[i].action == client_click)
5526                                 for (j = 0; j < LENGTH(modifiers); j++)
5527                                         xcb_grab_button(conn, False, win->id,
5528                                             BUTTONMASK,
5529                                             XCB_GRAB_MODE_ASYNC,
5530                                             XCB_GRAB_MODE_SYNC,
5531                                             XCB_WINDOW_NONE,
5532                                             XCB_CURSOR_NONE,
5533                                             buttons[i].button,
5534                                             buttons[i].mask);
5535         } else
5536                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5537                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5538                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5539 }
5540
5541 const char *quirkname[] = {
5542         "NONE",         /* config string for "no value" */
5543         "FLOAT",
5544         "TRANSSZ",
5545         "ANYWHERE",
5546         "XTERM_FONTADJ",
5547         "FULLSCREEN",
5548         "FOCUSPREV",
5549 };
5550
5551 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5552 #define SWM_Q_WS                "\n|+ \t"
5553 int
5554 parsequirks(char *qstr, unsigned long *quirk)
5555 {
5556         char                    *cp, *name;
5557         int                     i;
5558
5559         if (quirk == NULL)
5560                 return (1);
5561
5562         cp = qstr;
5563         *quirk = 0;
5564         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5565                 if (cp)
5566                         cp += (long)strspn(cp, SWM_Q_WS);
5567                 for (i = 0; i < LENGTH(quirkname); i++) {
5568                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5569                                 DNPRINTF(SWM_D_QUIRK,
5570                                     "parsequirks: %s\n", name);
5571                                 if (i == 0) {
5572                                         *quirk = 0;
5573                                         return (0);
5574                                 }
5575                                 *quirk |= 1 << (i-1);
5576                                 break;
5577                         }
5578                 }
5579                 if (i >= LENGTH(quirkname)) {
5580                         DNPRINTF(SWM_D_QUIRK,
5581                             "parsequirks: invalid quirk [%s]\n", name);
5582                         return (1);
5583                 }
5584         }
5585         return (0);
5586 }
5587
5588 void
5589 quirk_insert(const char *class, const char *name, unsigned long quirk)
5590 {
5591         struct quirk            *qp;
5592
5593         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5594             quirk);
5595
5596         if ((qp = malloc(sizeof *qp)) == NULL)
5597                 err(1, "quirk_insert: malloc");
5598         if ((qp->class = strdup(class)) == NULL)
5599                 err(1, "quirk_insert: strdup");
5600         if ((qp->name = strdup(name)) == NULL)
5601                 err(1, "quirk_insert: strdup");
5602
5603         qp->quirk = quirk;
5604         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5605
5606         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5607 }
5608
5609 void
5610 quirk_remove(struct quirk *qp)
5611 {
5612         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5613             qp->name, qp->quirk);
5614
5615         TAILQ_REMOVE(&quirks, qp, entry);
5616         free(qp->class);
5617         free(qp->name);
5618         free(qp);
5619
5620         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5621 }
5622
5623 void
5624 quirk_replace(struct quirk *qp, const char *class, const char *name,
5625     unsigned long quirk)
5626 {
5627         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5628             qp->name, qp->quirk);
5629
5630         quirk_remove(qp);
5631         quirk_insert(class, name, quirk);
5632
5633         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5634 }
5635
5636 void
5637 setquirk(const char *class, const char *name, unsigned long quirk)
5638 {
5639         struct quirk            *qp;
5640
5641         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5642            quirk);
5643
5644         TAILQ_FOREACH(qp, &quirks, entry) {
5645                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5646                         if (!quirk)
5647                                 quirk_remove(qp);
5648                         else
5649                                 quirk_replace(qp, class, name, quirk);
5650                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5651                         return;
5652                 }
5653         }
5654         if (!quirk) {
5655                 warnx("error: setquirk: cannot find class/name combination");
5656                 return;
5657         }
5658
5659         quirk_insert(class, name, quirk);
5660         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5661 }
5662
5663 int
5664 setconfquirk(char *selector, char *value, int flags)
5665 {
5666         char                    *cp, *class, *name;
5667         int                     retval;
5668         unsigned long           quirks;
5669         if (selector == NULL)
5670                 return (0);
5671         if ((cp = strchr(selector, ':')) == NULL)
5672                 return (0);
5673         *cp = '\0';
5674         class = selector;
5675         name = cp + 1;
5676         if ((retval = parsequirks(value, &quirks)) == 0)
5677                 setquirk(class, name, quirks);
5678         return (retval);
5679 }
5680
5681 void
5682 setup_quirks(void)
5683 {
5684         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5685         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5686         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5687         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5688         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5689         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5690         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5691         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5692         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5693         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5694         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5695         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5696         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5697 }
5698
5699 /* conf file stuff */
5700 #define SWM_CONF_FILE           "spectrwm.conf"
5701 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5702
5703 enum {
5704         SWM_S_BAR_ACTION,
5705         SWM_S_BAR_AT_BOTTOM,
5706         SWM_S_BAR_BORDER_WIDTH,
5707         SWM_S_BAR_DELAY,
5708         SWM_S_BAR_ENABLED,
5709         SWM_S_BAR_FONT,
5710         SWM_S_BAR_FORMAT,
5711         SWM_S_BAR_JUSTIFY,
5712         SWM_S_BORDER_WIDTH,
5713         SWM_S_CLOCK_ENABLED,
5714         SWM_S_CLOCK_FORMAT,
5715         SWM_S_CYCLE_EMPTY,
5716         SWM_S_CYCLE_VISIBLE,
5717         SWM_S_DIALOG_RATIO,
5718         SWM_S_DISABLE_BORDER,
5719         SWM_S_FOCUS_CLOSE,
5720         SWM_S_FOCUS_CLOSE_WRAP,
5721         SWM_S_FOCUS_DEFAULT,
5722         SWM_S_FOCUS_MODE,
5723         SWM_S_SPAWN_ORDER,
5724         SWM_S_SPAWN_TERM,
5725         SWM_S_SS_APP,
5726         SWM_S_SS_ENABLED,
5727         SWM_S_STACK_ENABLED,
5728         SWM_S_TERM_WIDTH,
5729         SWM_S_TITLE_CLASS_ENABLED,
5730         SWM_S_TITLE_NAME_ENABLED,
5731         SWM_S_URGENT_ENABLED,
5732         SWM_S_VERBOSE_LAYOUT,
5733         SWM_S_WINDOW_NAME_ENABLED,
5734         SWM_S_WORKSPACE_LIMIT
5735 };
5736
5737 int
5738 setconfvalue(char *selector, char *value, int flags)
5739 {
5740         int     i;
5741         char    *b;
5742
5743         switch (flags) {
5744         case SWM_S_BAR_ACTION:
5745                 free(bar_argv[0]);
5746                 if ((bar_argv[0] = strdup(value)) == NULL)
5747                         err(1, "setconfvalue: bar_action");
5748                 break;
5749         case SWM_S_BAR_AT_BOTTOM:
5750                 bar_at_bottom = atoi(value);
5751                 break;
5752         case SWM_S_BAR_BORDER_WIDTH:
5753                 bar_border_width = atoi(value);
5754                 if (bar_border_width < 0)
5755                         bar_border_width = 0;
5756                 break;
5757         case SWM_S_BAR_DELAY:
5758                 bar_delay = atoi(value);
5759                 break;
5760         case SWM_S_BAR_ENABLED:
5761                 bar_enabled = atoi(value);
5762                 break;
5763         case SWM_S_BAR_FONT:
5764                 b = bar_fonts;
5765                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5766                         err(1, "setconfvalue: asprintf: failed to allocate "
5767                                 "memory for bar_fonts.");
5768
5769                 free(b);
5770                 break;
5771         case SWM_S_BAR_FORMAT:
5772                 free(bar_format);
5773                 if ((bar_format = strdup(value)) == NULL)
5774                         err(1, "setconfvalue: bar_format");
5775                 break;
5776         case SWM_S_BAR_JUSTIFY:
5777                 if (!strcmp(value, "left"))
5778                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5779                 else if (!strcmp(value, "center"))
5780                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5781                 else if (!strcmp(value, "right"))
5782                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5783                 else
5784                         errx(1, "invalid bar_justify");
5785                 break;
5786         case SWM_S_BORDER_WIDTH:
5787                 border_width = atoi(value);
5788                 if (border_width < 0)
5789                         border_width = 0;
5790                 break;
5791         case SWM_S_CLOCK_ENABLED:
5792                 clock_enabled = atoi(value);
5793                 break;
5794         case SWM_S_CLOCK_FORMAT:
5795 #ifndef SWM_DENY_CLOCK_FORMAT
5796                 free(clock_format);
5797                 if ((clock_format = strdup(value)) == NULL)
5798                         err(1, "setconfvalue: clock_format");
5799 #endif
5800                 break;
5801         case SWM_S_CYCLE_EMPTY:
5802                 cycle_empty = atoi(value);
5803                 break;
5804         case SWM_S_CYCLE_VISIBLE:
5805                 cycle_visible = atoi(value);
5806                 break;
5807         case SWM_S_DIALOG_RATIO:
5808                 dialog_ratio = atof(value);
5809                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5810                         dialog_ratio = .6;
5811                 break;
5812         case SWM_S_DISABLE_BORDER:
5813                 disable_border = atoi(value);
5814                 break;
5815         case SWM_S_FOCUS_CLOSE:
5816                 if (!strcmp(value, "first"))
5817                         focus_close = SWM_STACK_BOTTOM;
5818                 else if (!strcmp(value, "last"))
5819                         focus_close = SWM_STACK_TOP;
5820                 else if (!strcmp(value, "next"))
5821                         focus_close = SWM_STACK_ABOVE;
5822                 else if (!strcmp(value, "previous"))
5823                         focus_close = SWM_STACK_BELOW;
5824                 else
5825                         errx(1, "focus_close");
5826                 break;
5827         case SWM_S_FOCUS_CLOSE_WRAP:
5828                 focus_close_wrap = atoi(value);
5829                 break;
5830         case SWM_S_FOCUS_DEFAULT:
5831                 if (!strcmp(value, "last"))
5832                         focus_default = SWM_STACK_TOP;
5833                 else if (!strcmp(value, "first"))
5834                         focus_default = SWM_STACK_BOTTOM;
5835                 else
5836                         errx(1, "focus_default");
5837                 break;
5838         case SWM_S_FOCUS_MODE:
5839                 if (!strcmp(value, "default"))
5840                         focus_mode = SWM_FOCUS_DEFAULT;
5841                 else if (!strcmp(value, "follow_cursor"))
5842                         focus_mode = SWM_FOCUS_FOLLOW;
5843                 else if (!strcmp(value, "synergy"))
5844                         focus_mode = SWM_FOCUS_SYNERGY;
5845                 else
5846                         errx(1, "focus_mode");
5847                 break;
5848         case SWM_S_SPAWN_ORDER:
5849                 if (!strcmp(value, "first"))
5850                         spawn_position = SWM_STACK_BOTTOM;
5851                 else if (!strcmp(value, "last"))
5852                         spawn_position = SWM_STACK_TOP;
5853                 else if (!strcmp(value, "next"))
5854                         spawn_position = SWM_STACK_ABOVE;
5855                 else if (!strcmp(value, "previous"))
5856                         spawn_position = SWM_STACK_BELOW;
5857                 else
5858                         errx(1, "spawn_position");
5859                 break;
5860         case SWM_S_SPAWN_TERM:
5861                 setconfspawn("term", value, 0);
5862                 setconfspawn("spawn_term", value, 0);
5863                 break;
5864         case SWM_S_SS_APP:
5865                 break;
5866         case SWM_S_SS_ENABLED:
5867                 ss_enabled = atoi(value);
5868                 break;
5869         case SWM_S_STACK_ENABLED:
5870                 stack_enabled = atoi(value);
5871                 break;
5872         case SWM_S_TERM_WIDTH:
5873                 term_width = atoi(value);
5874                 if (term_width < 0)
5875                         term_width = 0;
5876                 break;
5877         case SWM_S_TITLE_CLASS_ENABLED:
5878                 title_class_enabled = atoi(value);
5879                 break;
5880         case SWM_S_TITLE_NAME_ENABLED:
5881                 title_name_enabled = atoi(value);
5882                 break;
5883         case SWM_S_URGENT_ENABLED:
5884                 urgent_enabled = atoi(value);
5885                 break;
5886         case SWM_S_VERBOSE_LAYOUT:
5887                 verbose_layout = atoi(value);
5888                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5889                         if (verbose_layout)
5890                                 layouts[i].l_string = fancy_stacker;
5891                         else
5892                                 layouts[i].l_string = plain_stacker;
5893                 }
5894                 break;
5895         case SWM_S_WINDOW_NAME_ENABLED:
5896                 window_name_enabled = atoi(value);
5897                 break;
5898         case SWM_S_WORKSPACE_LIMIT:
5899                 workspace_limit = atoi(value);
5900                 if (workspace_limit > SWM_WS_MAX)
5901                         workspace_limit = SWM_WS_MAX;
5902                 else if (workspace_limit < 1)
5903                         workspace_limit = 1;
5904                 break;
5905         default:
5906                 return (1);
5907         }
5908         return (0);
5909 }
5910
5911 int
5912 setconfmodkey(char *selector, char *value, int flags)
5913 {
5914         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5915                 update_modkey(Mod1Mask);
5916         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5917                 update_modkey(Mod2Mask);
5918         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5919                 update_modkey(Mod3Mask);
5920         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5921                 update_modkey(Mod4Mask);
5922         else
5923                 return (1);
5924         return (0);
5925 }
5926
5927 int
5928 setconfcolor(char *selector, char *value, int flags)
5929 {
5930         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5931         return (0);
5932 }
5933
5934 int
5935 setconfregion(char *selector, char *value, int flags)
5936 {
5937         custom_region(value);
5938         return (0);
5939 }
5940
5941 int
5942 setautorun(char *selector, char *value, int flags)
5943 {
5944         int                     ws_id;
5945         char                    s[1024];
5946         char                    *ap, *sp = s;
5947         union arg               a;
5948         int                     argc = 0;
5949         pid_t                   pid;
5950         struct pid_e            *p;
5951
5952         if (getenv("SWM_STARTED"))
5953                 return (0);
5954
5955         bzero(s, sizeof s);
5956         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5957                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5958         ws_id--;
5959         if (ws_id < 0 || ws_id >= workspace_limit)
5960                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5961
5962         /*
5963          * This is a little intricate
5964          *
5965          * If the pid already exists we simply reuse it because it means it was
5966          * used before AND not claimed by manage_window.  We get away with
5967          * altering it in the parent after INSERT because this can not be a race
5968          */
5969         a.argv = NULL;
5970         while ((ap = strsep(&sp, " \t")) != NULL) {
5971                 if (*ap == '\0')
5972                         continue;
5973                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5974                 argc++;
5975                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5976                         err(1, "setautorun: realloc");
5977                 a.argv[argc - 1] = ap;
5978         }
5979
5980         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5981                 err(1, "setautorun: realloc");
5982         a.argv[argc] = NULL;
5983
5984         if ((pid = fork()) == 0) {
5985                 spawn(ws_id, &a, 1);
5986                 /* NOTREACHED */
5987                 _exit(1);
5988         }
5989         free(a.argv);
5990
5991         /* parent */
5992         p = find_pid(pid);
5993         if (p == NULL) {
5994                 p = calloc(1, sizeof *p);
5995                 if (p == NULL)
5996                         return (1);
5997                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5998         }
5999
6000         p->pid = pid;
6001         p->ws = ws_id;
6002
6003         return (0);
6004 }
6005
6006 int
6007 setlayout(char *selector, char *value, int flags)
6008 {
6009         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6010         int                     st = SWM_V_STACK, num_screens;
6011         char                    s[1024];
6012         struct workspace        *ws;
6013
6014         if (getenv("SWM_STARTED"))
6015                 return (0);
6016
6017         bzero(s, sizeof s);
6018         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6019             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6020                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6021                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6022                     "<type>'");
6023         ws_id--;
6024         if (ws_id < 0 || ws_id >= workspace_limit)
6025                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6026
6027         if (!strcasecmp(s, "vertical"))
6028                 st = SWM_V_STACK;
6029         else if (!strcasecmp(s, "vertical_flip")) {
6030                 st = SWM_V_STACK;
6031                 f = 1;
6032         } else if (!strcasecmp(s, "horizontal"))
6033                 st = SWM_H_STACK;
6034         else if (!strcasecmp(s, "horizontal_flip")) {
6035                 st = SWM_H_STACK;
6036                 f = 1;
6037         } else if (!strcasecmp(s, "fullscreen"))
6038                 st = SWM_MAX_STACK;
6039         else
6040                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6041                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6042                     "<type>'");
6043
6044         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6045         for (i = 0; i < num_screens; i++) {
6046                 ws = (struct workspace *)&screens[i].ws;
6047                 ws[ws_id].cur_layout = &layouts[st];
6048
6049                 ws[ws_id].always_raise = raise;
6050                 if (st == SWM_MAX_STACK)
6051                         continue;
6052
6053                 /* master grow */
6054                 for (x = 0; x < abs(mg); x++) {
6055                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6056                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6057                             SWM_ARG_ID_MASTERSHRINK);
6058                         stack();
6059                 }
6060                 /* master add */
6061                 for (x = 0; x < abs(ma); x++) {
6062                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6063                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6064                             SWM_ARG_ID_MASTERDEL);
6065                         stack();
6066                 }
6067                 /* stack inc */
6068                 for (x = 0; x < abs(si); x++) {
6069                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6070                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6071                             SWM_ARG_ID_STACKDEC);
6072                         stack();
6073                 }
6074                 /* Apply flip */
6075                 if (f) {
6076                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6077                             SWM_ARG_ID_FLIPLAYOUT);
6078                         stack();
6079                 }
6080         }
6081
6082         return (0);
6083 }
6084
6085 /* config options */
6086 struct config_option {
6087         char                    *optname;
6088         int                     (*func)(char*, char*, int);
6089         int                     funcflags;
6090 };
6091 struct config_option configopt[] = {
6092         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6093         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6094         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6095         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6096         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6097         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6098         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6099         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6100         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6101         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6102         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6103         { "keyboard_mapping",           setkeymapping,  0 },
6104         { "bind",                       setconfbinding, 0 },
6105         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6106         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6107         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6108         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6109         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6110         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6111         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6112         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6113         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6114         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6115         { "modkey",                     setconfmodkey,  0 },
6116         { "program",                    setconfspawn,   0 },
6117         { "quirk",                      setconfquirk,   0 },
6118         { "region",                     setconfregion,  0 },
6119         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6120         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6121         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6122         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6123         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6124         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6125         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6126         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6127         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6128         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6129         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6130         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6131         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6132         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6133         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6134         { "autorun",                    setautorun,     0 },
6135         { "layout",                     setlayout,      0 },
6136 };
6137
6138
6139 int
6140 conf_load(char *filename, int keymapping)
6141 {
6142         FILE                    *config;
6143         char                    *line, *cp, *optsub, *optval;
6144         size_t                  linelen, lineno = 0;
6145         int                     wordlen, i, optind;
6146         struct config_option    *opt;
6147
6148         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6149
6150         if (filename == NULL) {
6151                 warnx("conf_load: no filename");
6152                 return (1);
6153         }
6154         if ((config = fopen(filename, "r")) == NULL) {
6155                 warn("conf_load: fopen: %s", filename);
6156                 return (1);
6157         }
6158
6159         while (!feof(config)) {
6160                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6161                     == NULL) {
6162                         if (ferror(config))
6163                                 err(1, "%s", filename);
6164                         else
6165                                 continue;
6166                 }
6167                 cp = line;
6168                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6169                 if (cp[0] == '\0') {
6170                         /* empty line */
6171                         free(line);
6172                         continue;
6173                 }
6174                 /* get config option */
6175                 wordlen = strcspn(cp, "=[ \t\n");
6176                 if (wordlen == 0) {
6177                         warnx("%s: line %zd: no option found",
6178                             filename, lineno);
6179                         goto out;
6180                 }
6181                 optind = -1;
6182                 for (i = 0; i < LENGTH(configopt); i++) {
6183                         opt = &configopt[i];
6184                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6185                             strlen(opt->optname) == wordlen) {
6186                                 optind = i;
6187                                 break;
6188                         }
6189                 }
6190                 if (optind == -1) {
6191                         warnx("%s: line %zd: unknown option %.*s",
6192                             filename, lineno, wordlen, cp);
6193                         goto out;
6194                 }
6195                 if (keymapping && strcmp(opt->optname, "bind")) {
6196                         warnx("%s: line %zd: invalid option %.*s",
6197                             filename, lineno, wordlen, cp);
6198                         goto out;
6199                 }
6200                 cp += wordlen;
6201                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6202                 /* get [selector] if any */
6203                 optsub = NULL;
6204                 if (*cp == '[') {
6205                         cp++;
6206                         wordlen = strcspn(cp, "]");
6207                         if (*cp != ']') {
6208                                 if (wordlen == 0) {
6209                                         warnx("%s: line %zd: syntax error",
6210                                             filename, lineno);
6211                                         goto out;
6212                                 }
6213
6214                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6215                                     -1) {
6216                                         warnx("%s: line %zd: unable to allocate"
6217                                             "memory for selector", filename,
6218                                             lineno);
6219                                         goto out;
6220                                 }
6221                         }
6222                         cp += wordlen;
6223                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6224                 }
6225                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6226                 /* get RHS value */
6227                 optval = strdup(cp);
6228                 /* call function to deal with it all */
6229                 if (configopt[optind].func(optsub, optval,
6230                     configopt[optind].funcflags) != 0)
6231                         errx(1, "%s: line %zd: invalid data for %s",
6232                             filename, lineno, configopt[optind].optname);
6233                 free(optval);
6234                 free(optsub);
6235                 free(line);
6236         }
6237
6238         fclose(config);
6239         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6240
6241         return (0);
6242
6243 out:
6244         free(line);
6245         fclose(config);
6246         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6247
6248         return (1);
6249 }
6250
6251 void
6252 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6253 {
6254         struct ws_win           *parent, *w;
6255         struct swm_region       *r;
6256         struct workspace        *ws;
6257         xcb_icccm_wm_hints_t    wmh;
6258
6259         parent = find_window(win->transient);
6260         if (parent)
6261                 parent->child_trans = win;
6262         else {
6263                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6264                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6265
6266                 r = root_to_region(win->wa->root);
6267                 ws = r->ws;
6268                 /* parent doen't exist in our window list */
6269                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6270                         if (xcb_icccm_get_wm_hints_reply(conn,
6271                             xcb_icccm_get_wm_hints(conn, w->id),
6272                             &wmh, NULL) != 1) {
6273                                 warnx("can't get hints for 0x%x", w->id);
6274                                 continue;
6275                         }
6276
6277                         if (win->hints.window_group != wmh.window_group)
6278                                 continue;
6279
6280                         w->child_trans = win;
6281                         win->transient = w->id;
6282                         *trans = w->id;
6283                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6284                             "transient to 0x%x\n", win->transient);
6285                         break;
6286                 }
6287         }
6288 }
6289
6290 pid_t
6291 window_get_pid(xcb_window_t win)
6292 {
6293         pid_t                           ret = 0;
6294         const char                      *errstr;
6295         xcb_atom_t                      apid;
6296         xcb_get_property_cookie_t       pc;
6297         xcb_get_property_reply_t        *pr;
6298
6299         apid = get_atom_from_string("_NET_WM_PID");
6300         if (apid == XCB_ATOM_NONE)
6301                 goto tryharder;
6302
6303         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6304         pr = xcb_get_property_reply(conn, pc, NULL);
6305         if (!pr)
6306                 goto tryharder;
6307         if (pr->type != XCB_ATOM_CARDINAL) {
6308                 free(pr);
6309                 goto tryharder;
6310         }
6311
6312         ret = *((pid_t *)xcb_get_property_value(pr));
6313         free(pr);
6314
6315         return (ret);
6316
6317 tryharder:
6318         apid = get_atom_from_string("_SWM_PID");
6319         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6320             0, SWM_PROPLEN);
6321         pr = xcb_get_property_reply(conn, pc, NULL);
6322         if (!pr)
6323                 return (0);
6324         if (pr->type != XCB_ATOM_STRING) {
6325                 free(pr);
6326                 return (0);
6327         }
6328
6329         ret = strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6330         free(pr);
6331
6332         return (ret);
6333 }
6334
6335 struct ws_win *
6336 manage_window(xcb_window_t id)
6337 {
6338         xcb_window_t            trans = XCB_WINDOW_NONE;
6339         struct workspace        *ws;
6340         struct ws_win           *win, *ww;
6341         int                     i, ws_idx, border_me = 0;
6342         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6343         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6344         size_t                  proplen;
6345         struct swm_region       *r;
6346         const char              *errstr;
6347         struct pid_e            *p;
6348         struct quirk            *qp;
6349         uint32_t                event_mask;
6350         xcb_atom_t              prot;
6351         xcb_get_property_reply_t        *gpr;
6352         xcb_icccm_get_wm_protocols_reply_t      wpr;
6353
6354         if ((win = find_window(id)) != NULL)
6355                 return (win);   /* already being managed */
6356
6357         /* see if we are on the unmanaged list */
6358         if ((win = find_unmanaged_window(id)) != NULL) {
6359                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6360                     "window: 0x%x\n", win->id);
6361                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6362                 if (win->transient)
6363                         set_child_transient(win, &trans);
6364
6365                 if (trans && (ww = find_window(trans)))
6366                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6367                 else if ((ww = win->ws->focus) &&
6368                     spawn_position == SWM_STACK_ABOVE)
6369                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6370                             win, entry);
6371                 else if (ww && spawn_position == SWM_STACK_BELOW)
6372                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6373                 else switch (spawn_position) {
6374                 default:
6375                 case SWM_STACK_TOP:
6376                 case SWM_STACK_ABOVE:
6377                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6378                         break;
6379                 case SWM_STACK_BOTTOM:
6380                 case SWM_STACK_BELOW:
6381                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6382                 }
6383
6384                 ewmh_update_actions(win);
6385                 return (win);
6386         }
6387
6388         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6389                 err(1, "manage_window: calloc: failed to allocate memory for "
6390                     "new window");
6391
6392         win->id = id;
6393         win->bordered = 0;
6394
6395         /* see if we need to override the workspace */
6396         p = find_pid(window_get_pid(id));
6397
6398         /* Get all the window data in one shot */
6399         ws_idx_atom = get_atom_from_string("_SWM_WS");
6400         if (ws_idx_atom) {
6401                 gpr = xcb_get_property_reply(conn,
6402                         xcb_get_property(conn, False, id, ws_idx_atom,
6403                             XCB_ATOM_STRING, 0, SWM_PROPLEN),
6404                         NULL);
6405                 if (gpr) {
6406                         proplen = xcb_get_property_value_length(gpr);
6407                         if (proplen > 0) {
6408                                 prop = malloc(proplen + 1);
6409                                 if (prop) {
6410                                         memcpy(prop,
6411                                             xcb_get_property_value(gpr),
6412                                             proplen);
6413                                         prop[proplen] = '\0';
6414                                 }
6415                         }
6416                         free(gpr);
6417                 }
6418         }
6419         win->wa = xcb_get_geometry_reply(conn,
6420             xcb_get_geometry(conn, id),
6421             NULL);
6422         xcb_icccm_get_wm_normal_hints_reply(conn,
6423             xcb_icccm_get_wm_normal_hints(conn, id),
6424             &win->sh, NULL);
6425         xcb_icccm_get_wm_hints_reply(conn,
6426             xcb_icccm_get_wm_hints(conn, id),
6427             &win->hints, NULL);
6428         xcb_icccm_get_wm_transient_for_reply(conn,
6429             xcb_icccm_get_wm_transient_for(conn, id),
6430             &trans, NULL);
6431         if (trans) {
6432                 win->transient = trans;
6433                 set_child_transient(win, &trans);
6434                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6435                     "transient: 0x%x\n", win->id, win->transient);
6436         }
6437
6438         prot = get_atom_from_string("WM_PROTOCOLS");
6439
6440         /* get supported protocols */
6441         if (xcb_icccm_get_wm_protocols_reply(conn,
6442             xcb_icccm_get_wm_protocols(conn, id, prot),
6443             &wpr, NULL)) {
6444                 for (i = 0; i < wpr.atoms_len; i++) {
6445                         if (wpr.atoms[i] == a_takefocus)
6446                                 win->take_focus = 1;
6447                         if (wpr.atoms[i] == a_delete)
6448                                 win->can_delete = 1;
6449                 }
6450                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6451         }
6452
6453         win->iconic = get_iconic(win);
6454
6455         /*
6456          * Figure out where to put the window. If it was previously assigned to
6457          * a workspace (either by spawn() or manually moving), and isn't
6458          * transient, * put it in the same workspace
6459          */
6460         r = root_to_region(win->wa->root);
6461         if (p) {
6462                 ws = &r->s->ws[p->ws];
6463                 TAILQ_REMOVE(&pidlist, p, entry);
6464                 free(p);
6465                 p = NULL;
6466         } else if (prop && win->transient == 0) {
6467                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6468                 ws_idx = strtonum(prop, 0, workspace_limit - 1,
6469                     &errstr);
6470                 if (errstr) {
6471                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6472                             errstr, prop);
6473                 }
6474                 ws = &r->s->ws[ws_idx];
6475         } else {
6476                 ws = r->ws;
6477                 /* this should launch transients in the same ws as parent */
6478                 if (id && trans)
6479                         if ((ww = find_window(trans)) != NULL)
6480                                 if (ws->r) {
6481                                         ws = ww->ws;
6482                                         if (ww->ws->r)
6483                                                 r = ww->ws->r;
6484                                         else
6485                                                 warnx("manage_window: fix this "
6486                                                     "bug mcbride");
6487                                         border_me = 1;
6488                                 }
6489         }
6490
6491         /* set up the window layout */
6492         win->id = id;
6493         win->ws = ws;
6494         win->s = r->s;  /* this never changes */
6495         if (trans && (ww = find_window(trans)))
6496                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6497         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6498                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6499                     entry);
6500         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6501                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6502         else switch (spawn_position) {
6503         default:
6504         case SWM_STACK_TOP:
6505         case SWM_STACK_ABOVE:
6506                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6507                 break;
6508         case SWM_STACK_BOTTOM:
6509         case SWM_STACK_BELOW:
6510                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6511         }
6512
6513         /* ignore window border if there is one. */
6514         WIDTH(win) = win->wa->width;
6515         HEIGHT(win) = win->wa->height;
6516         X(win) = win->wa->x + win->wa->border_width;
6517         Y(win) = win->wa->y + win->wa->border_width;
6518         win->bordered = 0;
6519         win->g_floatvalid = 0;
6520         win->floatmaxed = 0;
6521         win->ewmh_flags = 0;
6522
6523         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6524             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6525             HEIGHT(win), ws->idx);
6526
6527         constrain_window(win, r, 0);
6528
6529         /* Set window properties so we can remember this after reincarnation */
6530         if (ws_idx_atom && prop == NULL &&
6531             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6532                 SWM_PROPLEN) {
6533                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6534                     ws_idx_str);
6535                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6536                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6537                     ws_idx_str);
6538         }
6539         if (prop)
6540                 free(prop);
6541
6542         ewmh_autoquirk(win);
6543
6544         if (xcb_icccm_get_wm_class_reply(conn,
6545             xcb_icccm_get_wm_class(conn, win->id),
6546             &win->ch, NULL)) {
6547                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6548                     win->ch.class_name, win->ch.instance_name);
6549
6550                 /* java is retarded so treat it special */
6551                 if (strstr(win->ch.instance_name, "sun-awt")) {
6552                         win->java = 1;
6553                         border_me = 1;
6554                 }
6555
6556                 TAILQ_FOREACH(qp, &quirks, entry) {
6557                         if (!strcmp(win->ch.class_name, qp->class) &&
6558                             !strcmp(win->ch.instance_name, qp->name)) {
6559                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6560                                     "class: %s, name: %s\n", win->ch.class_name,
6561                                     win->ch.instance_name);
6562                                 if (qp->quirk & SWM_Q_FLOAT) {
6563                                         win->floating = 1;
6564                                         border_me = 1;
6565                                 }
6566                                 win->quirks = qp->quirk;
6567                         }
6568                 }
6569         }
6570
6571         /* alter window position if quirky */
6572         if (win->quirks & SWM_Q_ANYWHERE) {
6573                 win->manual = 1; /* don't center the quirky windows */
6574                 if (bar_enabled && Y(win) < bar_height)
6575                         Y(win) = bar_height;
6576                 if (WIDTH(win) + X(win) > WIDTH(r))
6577                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6578                 border_me = 1;
6579         }
6580
6581         /* Reset font sizes (the bruteforce way; no default keybinding). */
6582         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6583                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6584                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6585                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6586                         fake_keypress(win, XK_KP_Add, ShiftMask);
6587         }
6588
6589         ewmh_get_win_state(win);
6590         ewmh_update_actions(win);
6591         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6592
6593         /* border me */
6594         if (border_me) {
6595                 win->bordered = 1;
6596                 X(win) -= border_width;
6597                 Y(win) -= border_width;
6598                 update_window(win);
6599         }
6600
6601         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6602             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6603
6604         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6605
6606         /* floaters need to be mapped if they are in the current workspace */
6607         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6608                 map_window_raised(win->id);
6609
6610         return (win);
6611 }
6612
6613 void
6614 free_window(struct ws_win *win)
6615 {
6616         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6617
6618         if (win == NULL)
6619                 return;
6620
6621         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6622
6623         if (win->wa)
6624                 free(win->wa);
6625
6626         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6627
6628         kill_refs(win);
6629
6630         /* paint memory */
6631         memset(win, 0xff, sizeof *win); /* XXX kill later */
6632
6633         free(win);
6634         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6635 }
6636
6637 void
6638 unmanage_window(struct ws_win *win)
6639 {
6640         struct ws_win           *parent;
6641         xcb_screen_t            *screen;
6642
6643         if (win == NULL)
6644                 return;
6645
6646         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6647
6648         if (win->transient) {
6649                 parent = find_window(win->transient);
6650                 if (parent)
6651                         parent->child_trans = NULL;
6652         }
6653
6654         /* focus on root just in case */
6655         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6656         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6657             screen->root, XCB_CURRENT_TIME);
6658
6659         focus_prev(win);
6660
6661         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6662         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6663 }
6664
6665 void
6666 focus_magic(struct ws_win *win)
6667 {
6668         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6669
6670         if (win == NULL) {
6671                 /* if there are no windows clear the status-bar */
6672                 bar_update();
6673                 return;
6674         }
6675
6676         if (win->child_trans) {
6677                 /* win = parent & has a transient so focus on that */
6678                 if (win->java) {
6679                         focus_win(win->child_trans);
6680                         if (win->child_trans->take_focus)
6681                                 client_msg(win, a_takefocus);
6682                 } else {
6683                         /* make sure transient hasn't disappeared */
6684                         if (validate_win(win->child_trans) == 0) {
6685                                 focus_win(win->child_trans);
6686                                 if (win->child_trans->take_focus)
6687                                         client_msg(win->child_trans,
6688                                             a_takefocus);
6689                         } else {
6690                                 win->child_trans = NULL;
6691                                 focus_win(win);
6692                                 if (win->take_focus)
6693                                         client_msg(win, a_takefocus);
6694                         }
6695                 }
6696         } else {
6697                 /* regular focus */
6698                 focus_win(win);
6699                 if (win->take_focus)
6700                         client_msg(win, a_takefocus);
6701         }
6702 }
6703
6704 void
6705 expose(xcb_expose_event_t *e)
6706 {
6707         int                     i, num_screens;
6708         struct swm_region       *r;
6709
6710         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6711
6712         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6713         for (i = 0; i < num_screens; i++)
6714                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6715                         if (e->window == WINID(r->bar))
6716                                 bar_update();
6717
6718         xcb_flush(conn);
6719 }
6720
6721 void
6722 keypress(xcb_key_press_event_t *e)
6723 {
6724         xcb_keysym_t            keysym;
6725         struct key              *kp;
6726
6727         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
6728
6729         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
6730
6731         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6732                 return;
6733
6734         if (kp->funcid == KF_SPAWN_CUSTOM)
6735                 spawn_custom(root_to_region(e->root),
6736                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
6737         else if (keyfuncs[kp->funcid].func)
6738                 keyfuncs[kp->funcid].func(root_to_region(e->root),
6739                     &(keyfuncs[kp->funcid].args));
6740 }
6741
6742 void
6743 buttonpress(xcb_button_press_event_t *e)
6744 {
6745         struct ws_win           *win;
6746         int                     i, action;
6747
6748         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
6749             e->event, e->detail);
6750
6751         if ((win = find_window(e->event)) == NULL)
6752                 return;
6753
6754         focus_magic(win);
6755         action = client_click;
6756
6757         for (i = 0; i < LENGTH(buttons); i++)
6758                 if (action == buttons[i].action && buttons[i].func &&
6759                     buttons[i].button == e->detail &&
6760                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6761                         buttons[i].func(win, &buttons[i].args);
6762
6763         xcb_flush(conn);
6764 }
6765
6766 void
6767 configurerequest(xcb_configure_request_event_t *e)
6768 {
6769         struct ws_win           *win;
6770         int                     new = 0, i = 0;
6771         uint16_t                mask = 0;
6772         uint32_t                wc[7] = {0};
6773
6774         if ((win = find_window(e->window)) == NULL)
6775                 if ((win = find_unmanaged_window(e->window)) == NULL)
6776                         new = 1;
6777
6778         if (new) {
6779                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6780                         mask |= XCB_CONFIG_WINDOW_X;
6781                         wc[i++] = e->x;
6782                 }
6783                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6784                         mask |= XCB_CONFIG_WINDOW_Y;
6785                         wc[i++] = e->y;
6786                 }
6787                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6788                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6789                         wc[i++] = e->width;
6790                 }
6791                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6792                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6793                         wc[i++] = e->height;
6794                 }
6795                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6796                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6797                         wc[i++] = e->border_width;
6798                 }
6799                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6800                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6801                         wc[i++] = e->sibling;
6802                 }
6803                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6804                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6805                         wc[i++] = e->stack_mode;
6806                 }
6807
6808                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6809                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", e->window,
6810                     YESNO(new), wc[0], wc[1], wc[2], wc[3]);
6811
6812                 xcb_configure_window(conn, e->window, mask, wc);
6813         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6814             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6815                 win->g_float.x = e->x - X(win->ws->r);
6816                 win->g_float.y = e->y - Y(win->ws->r);
6817                 win->g_float.w = e->width;
6818                 win->g_float.h = e->height;
6819                 win->g_floatvalid = 1;
6820
6821                 if (win->floating) {
6822                         win->g = win->g_float;
6823                         win->g.x += X(win->ws->r);
6824                         win->g.y += Y(win->ws->r);
6825                         update_window(win);
6826                 } else {
6827                         config_win(win, e);
6828                 }
6829         } else {
6830                 config_win(win, e);
6831         }
6832
6833         xcb_flush(conn);
6834 }
6835
6836 void
6837 configurenotify(xcb_configure_notify_event_t *e)
6838 {
6839         struct ws_win           *win;
6840
6841         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
6842             e->window);
6843
6844         win = find_window(e->window);
6845         if (win) {
6846                 xcb_icccm_get_wm_normal_hints_reply(conn,
6847                     xcb_icccm_get_wm_normal_hints(conn, win->id),
6848                     &win->sh, NULL);
6849                 adjust_font(win);
6850                 if (font_adjusted)
6851                         stack();
6852         }
6853 }
6854
6855 void
6856 destroynotify(xcb_destroy_notify_event_t *e)
6857 {
6858         struct ws_win           *win;
6859
6860         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
6861
6862         if ((win = find_window(e->window)) == NULL) {
6863                 if ((win = find_unmanaged_window(e->window)) == NULL)
6864                         return;
6865                 free_window(win);
6866                 return;
6867         }
6868
6869         /* make sure we focus on something */
6870         win->floating = 0;
6871
6872         unmanage_window(win);
6873         stack();
6874         free_window(win);
6875 }
6876
6877 void
6878 enternotify(xcb_enter_notify_event_t *e)
6879 {
6880         struct ws_win           *win;
6881         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %d, detail: "
6882             "%d, root: 0x%x, subwindow: 0x%x, same_screen_focus: %s, "
6883             "state: %d\n", e->event, e->mode, e->detail, e->root,
6884             e->child, YESNO(e->same_screen_focus), e->state);
6885
6886         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
6887                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6888                     "cursor grab.\n");
6889                 return;
6890         }
6891
6892         switch (focus_mode) {
6893         case SWM_FOCUS_DEFAULT:
6894                 break;
6895         case SWM_FOCUS_FOLLOW:
6896                 break;
6897         case SWM_FOCUS_SYNERGY:
6898                 break;
6899         }
6900
6901         if ((win = find_window(e->event)) == NULL) {
6902                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6903                 return;
6904         }
6905
6906         focus_magic(win);
6907
6908         xcb_flush(conn);
6909 }
6910
6911 /* lets us use one switch statement for arbitrary mode/detail combinations */
6912 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6913
6914 void
6915 mapnotify(xcb_map_notify_event_t *e)
6916 {
6917         struct ws_win           *win;
6918
6919         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
6920
6921         win = manage_window(e->window);
6922         if (win)
6923                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
6924
6925         /*
6926          * focus_win can only set input focus on a mapped window.
6927          * make sure the window really has focus since it is just being mapped.
6928          */
6929         if (win->ws->focus == win)
6930                 focus_win(win);
6931 }
6932
6933 void
6934 mappingnotify(xcb_mapping_notify_event_t *e)
6935 {
6936         xcb_refresh_keyboard_mapping(syms, e);
6937
6938         if (e->request == XCB_MAPPING_KEYBOARD)
6939                 grabkeys();
6940 }
6941
6942 void
6943 maprequest(xcb_map_request_event_t *e)
6944 {
6945         struct ws_win           *win;
6946         struct swm_region       *r;
6947         xcb_get_window_attributes_reply_t *war;
6948
6949         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
6950             e->window);
6951
6952         war = xcb_get_window_attributes_reply(conn,
6953             xcb_get_window_attributes(conn, e->window),
6954             NULL);
6955         if (!war)
6956                 return;
6957         if (war->override_redirect) {
6958                 free(war);
6959                 return;
6960         }
6961         free(war);
6962
6963         win = manage_window(e->window);
6964         if (win == NULL) {
6965                 return; /* can't happen */
6966         }
6967
6968         stack();
6969
6970         /* make new win focused */
6971         r = root_to_region(win->wa->root);
6972         if (win->ws == r->ws)
6973                 focus_magic(win);
6974 }
6975
6976 void
6977 propertynotify(xcb_property_notify_event_t *e)
6978 {
6979         struct ws_win           *win;
6980 #ifdef SWM_DEBUG
6981         char                            *name;
6982         size_t                          len;
6983         xcb_get_atom_name_reply_t       *r;
6984
6985         r = xcb_get_atom_name_reply(conn,
6986             xcb_get_atom_name(conn, e->atom),
6987             NULL);
6988         if (r) {
6989                 len = xcb_get_atom_name_name_length(r);
6990                 if (len > 0) {
6991                         name = malloc(len + 1);
6992                         if (name) {
6993                                 memcpy(name, xcb_get_atom_name_name(r), len);
6994                                 name[len] = '\0';
6995
6996                                 DNPRINTF(SWM_D_EVENT,
6997                                     "propertynotify: window: 0x%x, atom: %s\n",
6998                                     e->window, name);
6999                                 free(name);
7000                         }
7001                 }
7002                 free(r);
7003         }
7004 #endif
7005
7006         win = find_window(e->window);
7007         if (win == NULL)
7008                 return;
7009
7010         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7011                 update_iconic(win, 0);
7012                 map_window_raised(win->id);
7013                 stack();
7014                 focus_win(win);
7015                 return;
7016         }
7017
7018         switch (e->atom) {
7019         case XCB_ATOM_WM_CLASS:
7020         case XCB_ATOM_WM_NAME:
7021                 bar_update();
7022                 break;
7023         default:
7024                 break;
7025         }
7026 }
7027
7028 void
7029 unmapnotify(xcb_unmap_notify_event_t *e)
7030 {
7031         struct ws_win           *win;
7032
7033         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7034
7035         /* determine if we need to help unmanage this window */
7036         win = find_window(e->window);
7037         if (win == NULL)
7038                 return;
7039
7040         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7041                 unmanage_window(win);
7042                 stack();
7043
7044                 /* resend unmap because we ated it */
7045                 xcb_unmap_window(conn, e->window);
7046                 xcb_flush(conn);
7047         }
7048 }
7049
7050 /*void
7051 visibilitynotify(xcb_visibility_notify_event_t *e)
7052 {
7053         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7054             e->window);
7055 }*/
7056
7057 void
7058 clientmessage(xcb_client_message_event_t *e)
7059 {
7060         struct ws_win *win;
7061
7062         win = find_window(e->window);
7063         if (win == NULL)
7064                 return;
7065         }
7066
7067         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, type: %u\n",
7068             e->window, e->type);
7069
7070         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7071                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7072                 focus_win(win);
7073         }
7074         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7075                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7076                 if (win->can_delete)
7077                         client_msg(win, a_delete);
7078                 else
7079                         xcb_kill_client(conn, win->id);
7080         }
7081         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7082                 DNPRINTF(SWM_D_EVENT,
7083                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7084                 if (win->floating) {
7085                         if (e->data.data32[0] & (1<<8)) /* x */
7086                                 X(win) = e->data.data32[1];
7087                         if (e->data.data32[0] & (1<<9)) /* y */
7088                                 Y(win) = e->data.data32[2];
7089                         if (e->data.data32[0] & (1<<10)) /* width */
7090                                 WIDTH(win) = e->data.data32[3];
7091                         if (e->data.data32[0] & (1<<11)) /* height */
7092                                 HEIGHT(win) = e->data.data32[4];
7093
7094                         update_window(win);
7095                 }
7096                 else {
7097                         /* TODO: Change stack sizes */
7098                         /* notify no change was made. */
7099                         config_win(win, NULL);
7100                 }
7101         }
7102         if (e->type == ewmh[_NET_WM_STATE].atom) {
7103                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7104                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7105                 if (e->data.data32[2])
7106                         ewmh_update_win_state(win, e->data.data32[2],
7107                             e->data.data32[0]);
7108
7109                 stack();
7110         }
7111
7112         xcb_flush(conn);
7113 }
7114
7115 void
7116 active_wm(void)
7117 {
7118         int                     num_screens, i;
7119         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7120         xcb_screen_t            *sc;
7121
7122         /* this causes an error if some other window manager is running */
7123         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7124         for (i = 0; i < num_screens; i++) {
7125                 sc = get_screen(i);
7126                 xcb_change_window_attributes(conn, sc->root,
7127                         XCB_CW_EVENT_MASK, &val);
7128         }
7129 }
7130
7131 void
7132 new_region(struct swm_screen *s, int x, int y, int w, int h)
7133 {
7134         struct swm_region       *r, *n;
7135         struct workspace        *ws = NULL;
7136         int                     i;
7137
7138         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7139              s->idx, w, h, x, y);
7140
7141         /* remove any conflicting regions */
7142         n = TAILQ_FIRST(&s->rl);
7143         while (n) {
7144                 r = n;
7145                 n = TAILQ_NEXT(r, entry);
7146                 if (X(r) < (x + w) &&
7147                     (X(r) + WIDTH(r)) > x &&
7148                     Y(r) < (y + h) &&
7149                     (Y(r) + HEIGHT(r)) > y) {
7150                         if (r->ws->r != NULL)
7151                                 r->ws->old_r = r->ws->r;
7152                         r->ws->r = NULL;
7153                         bar_cleanup(r);
7154                         TAILQ_REMOVE(&s->rl, r, entry);
7155                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7156                 }
7157         }
7158
7159         /* search old regions for one to reuse */
7160
7161         /* size + location match */
7162         TAILQ_FOREACH(r, &s->orl, entry)
7163                 if (X(r) == x && Y(r) == y &&
7164                     HEIGHT(r) == h && WIDTH(r) == w)
7165                         break;
7166
7167         /* size match */
7168         TAILQ_FOREACH(r, &s->orl, entry)
7169                 if (HEIGHT(r) == h && WIDTH(r) == w)
7170                         break;
7171
7172         if (r != NULL) {
7173                 TAILQ_REMOVE(&s->orl, r, entry);
7174                 /* try to use old region's workspace */
7175                 if (r->ws->r == NULL)
7176                         ws = r->ws;
7177         } else
7178                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7179                         err(1, "new_region: calloc: failed to allocate memory "
7180                             "for screen");
7181
7182         /* if we don't have a workspace already, find one */
7183         if (ws == NULL) {
7184                 for (i = 0; i < workspace_limit; i++)
7185                         if (s->ws[i].r == NULL) {
7186                                 ws = &s->ws[i];
7187                                 break;
7188                         }
7189         }
7190
7191         if (ws == NULL)
7192                 errx(1, "new_region: no free workspaces");
7193
7194         X(r) = x;
7195         Y(r) = y;
7196         WIDTH(r) = w;
7197         HEIGHT(r) = h;
7198         r->s = s;
7199         r->ws = ws;
7200         r->ws_prior = NULL;
7201         ws->r = r;
7202         outputs++;
7203         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7204 }
7205
7206 void
7207 scan_xrandr(int i)
7208 {
7209 #ifdef SWM_XRR_HAS_CRTC
7210         int                                             c;
7211         int                                             ncrtc = 0;
7212 #endif /* SWM_XRR_HAS_CRTC */
7213         struct swm_region                               *r;
7214         int                                             num_screens;
7215         xcb_randr_get_screen_resources_current_cookie_t src;
7216         xcb_randr_get_screen_resources_current_reply_t  *srr;
7217         xcb_randr_get_crtc_info_cookie_t                cic;
7218         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7219         xcb_randr_crtc_t                                *crtc;
7220         xcb_screen_t                                    *screen = get_screen(i);
7221
7222         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7223         if (i >= num_screens)
7224                 errx(1, "scan_xrandr: invalid screen");
7225
7226         /* remove any old regions */
7227         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7228                 r->ws->old_r = r->ws->r = NULL;
7229                 bar_cleanup(r);
7230                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7231                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7232         }
7233         outputs = 0;
7234
7235         /* map virtual screens onto physical screens */
7236 #ifdef SWM_XRR_HAS_CRTC
7237         if (xrandr_support) {
7238                 src = xcb_randr_get_screen_resources_current(conn,
7239                     screens[i].root);
7240                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7241                     NULL);
7242                 if (srr == NULL) {
7243                         new_region(&screens[i], 0, 0,
7244                             screen->width_in_pixels,
7245                             screen->height_in_pixels);
7246                         return;
7247                 } else
7248                         ncrtc = srr->num_crtcs;
7249                 for (c = 0; c < ncrtc; c++) {
7250                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7251                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7252                             XCB_CURRENT_TIME);
7253                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7254                         if (cir == NULL)
7255                                 continue;
7256                         if (cir->num_outputs == 0) {
7257                                 free(cir);
7258                                 continue;
7259                         }
7260
7261                         if (cir->mode == 0)
7262                                 new_region(&screens[i], 0, 0,
7263                                     screen->width_in_pixels,
7264                                     screen->height_in_pixels);
7265                         else
7266                                 new_region(&screens[i],
7267                                     cir->x, cir->y, cir->width, cir->height);
7268                         free(cir);
7269                 }
7270                 free(srr);
7271         } else
7272 #endif /* SWM_XRR_HAS_CRTC */
7273         {
7274                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7275                     screen->height_in_pixels);
7276         }
7277 }
7278
7279 void
7280 screenchange(xcb_randr_screen_change_notify_event_t *e)
7281 {
7282         struct swm_region               *r;
7283         int                             i, num_screens;
7284
7285         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7286
7287         if (e->rotation & (XCB_RANDR_ROTATION_ROTATE_90
7288             | XCB_RANDR_ROTATION_ROTATE_270))
7289                 xcb_randr_set_screen_size(conn, e->root, e->height,
7290                     e->width, e->mheight, e->mwidth);
7291         else
7292                 xcb_randr_set_screen_size(conn, e->root, e->width,
7293                     e->height, e->mwidth, e->mheight);
7294
7295         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7296         /* silly event doesn't include the screen index */
7297         for (i = 0; i < num_screens; i++)
7298                 if (screens[i].root == e->root)
7299                         break;
7300         if (i >= num_screens)
7301                 errx(1, "screenchange: screen not found");
7302
7303         /* brute force for now, just re-enumerate the regions */
7304         scan_xrandr(i);
7305
7306         /* add bars to all regions */
7307         for (i = 0; i < num_screens; i++)
7308                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7309                         bar_setup(r);
7310         stack();
7311 }
7312
7313 void
7314 grab_windows(void)
7315 {
7316         xcb_window_t            *wins   = NULL;
7317         int                     no;
7318         int                     i, j, num_screens;
7319         uint16_t                state, manage;
7320
7321         xcb_query_tree_cookie_t                 qtc;
7322         xcb_query_tree_reply_t                  *qtr;
7323         xcb_get_window_attributes_cookie_t      c;
7324         xcb_get_window_attributes_reply_t       *r;
7325         xcb_get_property_cookie_t               pc;
7326
7327         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7328         for (i = 0; i < num_screens; i++) {
7329                 qtc = xcb_query_tree(conn, screens[i].root);
7330                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7331                 if (!qtr)
7332                         continue;
7333                 wins = xcb_query_tree_children(qtr);
7334                 no = xcb_query_tree_children_length(qtr);
7335                 /* attach windows to a region */
7336                 /* normal windows */
7337                 for (j = 0; j < no; j++) {
7338                         c = xcb_get_window_attributes(conn, wins[j]);
7339                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7340                         if (!r)
7341                                 continue;
7342                         if (r->override_redirect) {
7343                                 free(r);
7344                                 continue;
7345                         }
7346
7347                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7348                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7349                             &wins[j], NULL)) {
7350                                 free(r);
7351                                 continue;
7352                         }
7353
7354                         state = getstate(wins[j]);
7355                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7356                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7357                                 manage_window(wins[j]);
7358                         free(r);
7359                 }
7360                 /* transient windows */
7361                 for (j = 0; j < no; j++) {
7362                         c = xcb_get_window_attributes(conn, wins[j]);
7363                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7364                         if (!r)
7365                                 continue;
7366                         if (r->override_redirect) {
7367                                 free(r);
7368                                 continue;
7369                         }
7370                         free(r);
7371
7372                         state = getstate(wins[j]);
7373                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7374                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7375                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7376                             &wins[j], NULL) && manage)
7377                                 manage_window(wins[j]);
7378                 }
7379                 free(qtr);
7380         }
7381 }
7382
7383 void
7384 setup_screens(void)
7385 {
7386         int                     i, j, k, num_screens;
7387         struct workspace        *ws;
7388         uint32_t                gcv[1], wa[1];
7389         const xcb_query_extension_reply_t *qep;
7390         xcb_cursor_t                            cursor;
7391         xcb_font_t                              cursor_font;
7392         xcb_randr_query_version_cookie_t        c;
7393         xcb_randr_query_version_reply_t         *r;
7394
7395         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7396         if ((screens = calloc(num_screens,
7397              sizeof(struct swm_screen))) == NULL)
7398                 err(1, "setup_screens: calloc: failed to allocate memory for "
7399                     "screens");
7400
7401         /* initial Xrandr setup */
7402         xrandr_support = False;
7403         c = xcb_randr_query_version(conn, True, True);
7404         r = xcb_randr_query_version_reply(conn, c, NULL);
7405         if (r) {
7406                 if (r->major_version >= 1)
7407                         xrandr_support = True;
7408                 free(r);
7409         }
7410         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7411         xrandr_eventbase = qep->first_event;
7412
7413         cursor_font = xcb_generate_id(conn);
7414         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7415
7416         cursor = xcb_generate_id(conn);
7417         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7418                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7419         wa[0] = cursor;
7420
7421         /* map physical screens */
7422         for (i = 0; i < num_screens; i++) {
7423                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7424                 screens[i].idx = i;
7425                 TAILQ_INIT(&screens[i].rl);
7426                 TAILQ_INIT(&screens[i].orl);
7427                 screens[i].root = get_screen(i)->root;
7428
7429                 /* set default colors */
7430                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7431                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7432                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7433                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7434                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7435
7436                 /* create graphics context on screen */
7437                 screens[i].bar_gc = xcb_generate_id(conn);
7438                 gcv[0] = 0;
7439                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7440                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7441
7442                 /* set default cursor */
7443                 xcb_change_window_attributes(conn, screens[i].root,
7444                     XCB_CW_CURSOR, wa);
7445
7446                 /* init all workspaces */
7447                 /* XXX these should be dynamically allocated too */
7448                 for (j = 0; j < SWM_WS_MAX; j++) {
7449                         ws = &screens[i].ws[j];
7450                         ws->idx = j;
7451                         ws->name = NULL;
7452                         ws->focus = NULL;
7453                         ws->r = NULL;
7454                         ws->old_r = NULL;
7455                         TAILQ_INIT(&ws->winlist);
7456                         TAILQ_INIT(&ws->unmanagedlist);
7457
7458                         for (k = 0; layouts[k].l_stack != NULL; k++)
7459                                 if (layouts[k].l_config != NULL)
7460                                         layouts[k].l_config(ws,
7461                                             SWM_ARG_ID_STACKINIT);
7462                         ws->cur_layout = &layouts[0];
7463                         ws->cur_layout->l_string(ws);
7464                 }
7465
7466                 scan_xrandr(i);
7467
7468                 if (xrandr_support)
7469                         xcb_randr_select_input(conn, screens[i].root,
7470                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7471         }
7472         xcb_free_cursor(conn, cursor);
7473         xcb_close_font(conn, cursor_font);
7474 }
7475
7476 void
7477 setup_globals(void)
7478 {
7479         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7480                 err(1, "setup_globals: strdup: failed to allocate memory.");
7481
7482         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7483                 err(1, "setup_globals: strdup: failed to allocate memory.");
7484
7485         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
7486                 errx(1, "unable to allocate key symbols");
7487
7488         a_state = get_atom_from_string("WM_STATE");
7489         a_prot = get_atom_from_string("WM_PROTOCOLS");
7490         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
7491         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7492         a_wmname = get_atom_from_string("WM_NAME");
7493         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7494         a_utf8_string = get_atom_from_string("UTF8_STRING");
7495         a_string = get_atom_from_string("STRING");
7496         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7497 }
7498
7499 void
7500 workaround(void)
7501 {
7502         int                     i, num_screens;
7503         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7504         xcb_window_t            root, win;
7505         uint32_t                wa[2];
7506
7507         /* work around sun jdk bugs, code from wmname */
7508         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7509         netwmname = get_atom_from_string("_NET_WM_NAME");
7510         utf8_string = get_atom_from_string("UTF8_STRING");
7511
7512         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7513         for (i = 0; i < num_screens; i++) {
7514                 root = screens[i].root;
7515
7516                 win = xcb_generate_id(conn);
7517                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7518                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7519                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7520                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7521                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7522
7523                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7524                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7525                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7526                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7527                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7528                     netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7529         }
7530 }
7531
7532 void
7533 event_error(xcb_generic_error_t *e)
7534 {
7535         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
7536             "resource_id: %u, minor_code: %u\n",
7537             xcb_event_get_error_label(e->error_code), e->error_code,
7538             xcb_event_get_request_label(e->major_code), e->major_code,
7539             e->sequence, e->resource_id, e->minor_code);
7540 }
7541
7542 void
7543 event_handle(xcb_generic_event_t *evt)
7544 {
7545         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7546
7547         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
7548             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
7549             XCB_EVENT_RESPONSE_TYPE(evt));
7550
7551         switch (type) {
7552 #define EVENT(type, callback) case type: callback((void *)evt); return
7553         EVENT(0, event_error);
7554         EVENT(XCB_BUTTON_PRESS, buttonpress);
7555         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7556         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
7557         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
7558         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7559         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
7560         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7561         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7562         /*EVENT(XCB_CREATE_NOTIFY, );*/
7563         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7564         EVENT(XCB_ENTER_NOTIFY, enternotify);
7565         EVENT(XCB_EXPOSE, expose);
7566         /*EVENT(XCB_FOCUS_IN, );*/
7567         /*EVENT(XCB_FOCUS_OUT, );*/
7568         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
7569         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
7570         EVENT(XCB_KEY_PRESS, keypress);
7571         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7572         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
7573         /*EVENT(XCB_LEAVE_NOTIFY, );*/
7574         EVENT(XCB_MAP_NOTIFY, mapnotify);
7575         EVENT(XCB_MAP_REQUEST, maprequest);
7576         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7577         /*EVENT(XCB_MOTION_NOTIFY, );*/
7578         /*EVENT(XCB_NO_EXPOSURE, );*/
7579         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7580         /*EVENT(XCB_REPARENT_NOTIFY, );*/
7581         /*EVENT(XCB_RESIZE_REQUEST, );*/
7582         /*EVENT(XCB_SELECTION_CLEAR, );*/
7583         /*EVENT(XCB_SELECTION_NOTIFY, );*/
7584         /*EVENT(XCB_SELECTION_REQUEST, );*/
7585         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7586         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
7587 #undef EVENT
7588         }
7589         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7590                 screenchange((void *)evt);
7591 }
7592
7593 int
7594 main(int argc, char *argv[])
7595 {
7596         struct swm_region       *r, *rr;
7597         struct ws_win           *winfocus = NULL;
7598         union arg               a;
7599         char                    conf[PATH_MAX], *cfile = NULL;
7600         struct stat             sb;
7601         int                     xfd, i, num_screens;
7602         struct sigaction        sact;
7603         xcb_generic_event_t     *evt;
7604         struct timeval          tv;
7605         fd_set                  rd;
7606
7607         time_started = time(NULL);
7608
7609         start_argv = argv;
7610         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7611         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
7612                 warnx("no locale support");
7613
7614         /* handle some signals */
7615         bzero(&sact, sizeof(sact));
7616         sigemptyset(&sact.sa_mask);
7617         sact.sa_flags = 0;
7618         sact.sa_handler = sighdlr;
7619         sigaction(SIGINT, &sact, NULL);
7620         sigaction(SIGQUIT, &sact, NULL);
7621         sigaction(SIGTERM, &sact, NULL);
7622         sigaction(SIGHUP, &sact, NULL);
7623
7624         sact.sa_handler = sighdlr;
7625         sact.sa_flags = SA_NOCLDSTOP;
7626         sigaction(SIGCHLD, &sact, NULL);
7627
7628         conn = xcb_connect(NULL, NULL);
7629         if (xcb_connection_has_error(conn))
7630                 errx(1, "can not get XCB connection");
7631
7632         xcb_prefetch_extension_data(conn, &xcb_randr_id);
7633         xfd = xcb_get_file_descriptor(conn);
7634
7635         /* look for local and global conf file */
7636         pwd = getpwuid(getuid());
7637         if (pwd == NULL)
7638                 errx(1, "invalid user: %d", getuid());
7639
7640         xcb_grab_server(conn);
7641         xcb_aux_sync(conn);
7642
7643         /* flush all events */
7644         while ((evt = xcb_poll_for_event(conn))) {
7645                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
7646                         event_handle(evt);
7647                 free(evt);
7648         }
7649
7650         active_wm();
7651         xcb_aux_sync(conn);
7652
7653         if (xcb_poll_for_event(conn) != NULL)
7654                 errx(1, "another window manager is currently running");
7655
7656         setup_globals();
7657         setup_screens();
7658         setup_keys();
7659         setup_quirks();
7660         setup_spawn();
7661
7662         /* load config */
7663         for (i = 0; ; i++) {
7664                 conf[0] = '\0';
7665                 switch (i) {
7666                 case 0:
7667                         /* ~ */
7668                         snprintf(conf, sizeof conf, "%s/.%s",
7669                             pwd->pw_dir, SWM_CONF_FILE);
7670                         break;
7671                 case 1:
7672                         /* global */
7673                         snprintf(conf, sizeof conf, "/etc/%s",
7674                             SWM_CONF_FILE);
7675                         break;
7676                 case 2:
7677                         /* ~ compat */
7678                         snprintf(conf, sizeof conf, "%s/.%s",
7679                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7680                         break;
7681                 case 3:
7682                         /* global compat */
7683                         snprintf(conf, sizeof conf, "/etc/%s",
7684                             SWM_CONF_FILE_OLD);
7685                         break;
7686                 default:
7687                         goto noconfig;
7688                 }
7689
7690                 if (strlen(conf) && stat(conf, &sb) != -1)
7691                         if (S_ISREG(sb.st_mode)) {
7692                                 cfile = conf;
7693                                 break;
7694                         }
7695         }
7696 noconfig:
7697
7698         /* load conf (if any) */
7699         if (cfile)
7700                 conf_load(cfile, SWM_CONF_DEFAULT);
7701
7702         setup_ewmh();
7703         /* set some values to work around bad programs */
7704         workaround();
7705         /* grab existing windows (before we build the bars) */
7706         grab_windows();
7707
7708         if (getenv("SWM_STARTED") == NULL)
7709                 setenv("SWM_STARTED", "YES", 1);
7710
7711         /* setup all bars */
7712         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7713         for (i = 0; i < num_screens; i++)
7714                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7715                         if (winfocus == NULL)
7716                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7717                         bar_setup(r);
7718                 }
7719
7720         //unfocus_all();
7721
7722         grabkeys();
7723         stack();
7724
7725         xcb_ungrab_server(conn);
7726         xcb_flush(conn);
7727
7728         while (running) {
7729                 while ((evt = xcb_poll_for_event(conn))) {
7730                         if (running == 0)
7731                                 goto done;
7732                         event_handle(evt);
7733                         free(evt);
7734                 }
7735
7736                 /* if we are being restarted go focus on first window */
7737                 if (winfocus) {
7738                         rr = winfocus->ws->r;
7739                         if (rr == NULL) {
7740                                 /* not a visible window */
7741                                 winfocus = NULL;
7742                                 continue;
7743                         }
7744                         /* move pointer to first screen if multi screen */
7745                         if (num_screens > 1 || outputs > 1)
7746                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7747                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
7748                                     Y(rr) + (bar_enabled ? bar_height : 0));
7749
7750                         a.id = SWM_ARG_ID_FOCUSCUR;
7751                         focus(rr, &a);
7752                         winfocus = NULL;
7753                         continue;
7754                 }
7755
7756                 FD_ZERO(&rd);
7757                 FD_SET(xfd, &rd);
7758                 tv.tv_sec = 1;
7759                 tv.tv_usec = 0;
7760                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7761                         if (errno != EINTR)
7762                                 DNPRINTF(SWM_D_MISC, "select failed");
7763                 if (restart_wm == 1)
7764                         restart(NULL, NULL);
7765                 if (search_resp == 1)
7766                         search_do_resp();
7767                 if (running == 0)
7768                         goto done;
7769                 if (bar_alarm) {
7770                         bar_alarm = 0;
7771                         bar_update();
7772                 }
7773         }
7774 done:
7775         teardown_ewmh();
7776         bar_extra_stop();
7777
7778         for (i = 0; i < num_screens; ++i)
7779                 if (screens[i].bar_gc != 0)
7780                         xcb_free_gc(conn, screens[i].bar_gc);
7781 #if 0
7782         XFreeFontSet(display, bar_fs);
7783 #endif
7784         xcb_key_symbols_free(syms);
7785         xcb_disconnect(conn);
7786
7787         return (0);
7788 }