spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 /* kernel includes */
  58 #include <sys/types.h>
  59 #include <sys/time.h>
  60 #include <sys/stat.h>
  61 #include <sys/wait.h>
  62 #include <sys/queue.h>
  63 #include <sys/param.h>
  64 #include <sys/select.h>
  65 #if defined(__linux__)
  66 #include "tree.h"
  67 #elif defined(__OpenBSD__)
  68 #include <sys/tree.h>
  69 #elif defined(__FreeBSD__)
  70 #include <sys/tree.h>
  71 #else
  72 #include "tree.h"
  73 #endif
  74
  75 /* /usr/includes */
  76 #include <ctype.h>
  77 #include <err.h>
  78 #include <errno.h>
  79 #include <fcntl.h>
  80 #include <locale.h>
  81 #include <paths.h>
  82 #include <pwd.h>
  83 #include <signal.h>
  84 #include <stdio.h>
  85 #include <stdlib.h>
  86 #include <string.h>
  87 #include <time.h>
  88 #include <unistd.h>
  89 #include <util.h>
  90 #include <X11/cursorfont.h>
  91 #include <X11/keysym.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/XKBlib.h>
  94 #include <X11/Xlib-xcb.h>
  95 #include <X11/Xproto.h>
  96 #include <X11/Xutil.h>
  97 #include <X11/extensions/Xrandr.h>
  98 #include <X11/extensions/XTest.h>
  99 #include <xcb/randr.h>
 100 #include <xcb/xcb_atom.h>
 101 #include <xcb/xcb_aux.h>
 102 #include <xcb/xcb_event.h>
 103 #include <xcb/xcb_icccm.h>
 104 #include <xcb/xcb_keysyms.h>
 105 #include <xcb/xtest.h>
 106
 107 /* local includes */
 108 #include "version.h"
 109 #ifdef __OSX__
 110 #include <osx.h>
 111 #endif
 112
 113 #ifdef SPECTRWM_BUILDSTR
 114 static const char       *buildstr = SPECTRWM_BUILDSTR;
 115 #else
 116 static const char       *buildstr = SPECTRWM_VERSION;
 117 #endif
 118
 119 #if RANDR_MAJOR < 1
 120 #  error XRandR versions less than 1.0 are not supported
 121 #endif
 122
 123 #if RANDR_MAJOR >= 1
 124 #if RANDR_MINOR >= 2
 125 #define SWM_XRR_HAS_CRTC
 126 #endif
 127 #endif
 128
 129 #if defined(__OpenBSD__)
 130 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 132 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 133 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 134 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 135 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 136 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 137 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 138 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 139 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 140 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 141 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 142 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 143 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 144 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 145 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 146 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 147 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 148 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 149 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 150 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 151 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 152 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 153 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 154 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 155 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 156 #endif
 157
 158 #define SWM_DEBUG
 159 #ifdef SWM_DEBUG
 160 #define DPRINTF(x...) do {                                                      \
 161         if (swm_debug)                                                          \
 162                 fprintf(stderr, x);                                             \
 163 } while (0)
 164 #define DNPRINTF(n,x...) do {                                                   \
 165         if (swm_debug & n) {                                                    \
 166                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 167                 fprintf(stderr, x);                                             \
 168         }                                                                       \
 169 } while (0)
 170 #define SWM_D_MISC              0x0001
 171 #define SWM_D_EVENT             0x0002
 172 #define SWM_D_WS                0x0004
 173 #define SWM_D_FOCUS             0x0008
 174 #define SWM_D_MOVE              0x0010
 175 #define SWM_D_STACK             0x0020
 176 #define SWM_D_MOUSE             0x0040
 177 #define SWM_D_PROP              0x0080
 178 #define SWM_D_CLASS             0x0100
 179 #define SWM_D_KEY               0x0200
 180 #define SWM_D_QUIRK             0x0400
 181 #define SWM_D_SPAWN             0x0800
 182 #define SWM_D_EVENTQ            0x1000
 183 #define SWM_D_CONF              0x2000
 184 #define SWM_D_BAR               0x4000
 185
 186 u_int32_t               swm_debug = 0
 187                             | SWM_D_MISC
 188                             | SWM_D_EVENT
 189                             | SWM_D_WS
 190                             | SWM_D_FOCUS
 191                             | SWM_D_MOVE
 192                             | SWM_D_STACK
 193                             | SWM_D_MOUSE
 194                             | SWM_D_PROP
 195                             | SWM_D_CLASS
 196                             | SWM_D_KEY
 197                             | SWM_D_QUIRK
 198                             | SWM_D_SPAWN
 199                             | SWM_D_EVENTQ
 200                             | SWM_D_CONF
 201                             | SWM_D_BAR
 202                             ;
 203 #else
 204 #define DPRINTF(x...)
 205 #define DNPRINTF(n,x...)
 206 #endif
 207
 208 #define LENGTH(x)               (int)(sizeof x / sizeof x[0])
 209 #define MODKEY                  Mod1Mask
 210 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 211 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 212 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 213 #define SWM_PROPLEN             (16)
 214 #define SWM_FUNCNAME_LEN        (32)
 215 #define SWM_KEYS_LEN            (255)
 216 #define SWM_QUIRK_LEN           (64)
 217 #define X(r)                    (r)->g.x
 218 #define Y(r)                    (r)->g.y
 219 #define WIDTH(r)                (r)->g.w
 220 #define HEIGHT(r)               (r)->g.h
 221 #define BORDER(w)               (w->bordered ? border_width : 0)
 222 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 223 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 224 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 225 #define SH_MIN_W(w)             (w)->sh.min_width
 226 #define SH_MIN_H(w)             (w)->sh.min_height
 227 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 228 #define SH_MAX_W(w)             (w)->sh.max_width
 229 #define SH_MAX_H(w)             (w)->sh.max_height
 230 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 231 #define SH_INC_W(w)             (w)->sh.width_inc
 232 #define SH_INC_H(w)             (w)->sh.height_inc
 233 #define SWM_MAX_FONT_STEPS      (3)
 234 #define WINID(w)                ((w) ? (w)->id : 0)
 235 #define YESNO(x)                ((x) ? "yes" : "no")
 236
 237 #define SWM_FOCUS_DEFAULT       (0)
 238 #define SWM_FOCUS_SYNERGY       (1)
 239 #define SWM_FOCUS_FOLLOW        (2)
 240
 241 #define SWM_CONF_DEFAULT        (0)
 242 #define SWM_CONF_KEYMAPPING     (1)
 243
 244 #ifndef SWM_LIB
 245 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 246 #endif
 247
 248 char                    **start_argv;
 249 xcb_atom_t              astate;
 250 xcb_atom_t              aprot;
 251 xcb_atom_t              adelete;
 252 xcb_atom_t              takefocus;
 253 xcb_atom_t              a_wmname;
 254 xcb_atom_t              a_netwmname;
 255 xcb_atom_t              a_utf8_string;
 256 xcb_atom_t              a_string;
 257 xcb_atom_t              a_swm_iconic;
 258 volatile sig_atomic_t   running = 1;
 259 volatile sig_atomic_t   restart_wm = 0;
 260 int                     outputs = 0;
 261 /*int                   last_focus_event = FocusOut;*/
 262 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 263 int                     other_wm;
 264 int                     ss_enabled = 0;
 265 int                     xrandr_support;
 266 int                     xrandr_eventbase;
 267 unsigned int            numlockmask = 0;
 268 Display                 *display;
 269 xcb_connection_t        *conn;
 270 xcb_key_symbols_t       *syms;
 271
 272 int                     cycle_empty = 0;
 273 int                     cycle_visible = 0;
 274 int                     term_width = 0;
 275 int                     font_adjusted = 0;
 276 unsigned int            mod_key = MODKEY;
 277
 278 /* dmenu search */
 279 struct swm_region       *search_r;
 280 int                     select_list_pipe[2];
 281 int                     select_resp_pipe[2];
 282 pid_t                   searchpid;
 283 volatile sig_atomic_t   search_resp;
 284 int                     search_resp_action;
 285
 286 struct search_window {
 287         TAILQ_ENTRY(search_window)      entry;
 288         int                             idx;
 289         struct ws_win                   *win;
 290         xcb_gcontext_t                  gc;
 291         xcb_window_t                    indicator;
 292 };
 293 TAILQ_HEAD(search_winlist, search_window);
 294 struct search_winlist                   search_wl;
 295
 296 /* search actions */
 297 enum {
 298         SWM_SEARCH_NONE,
 299         SWM_SEARCH_UNICONIFY,
 300         SWM_SEARCH_NAME_WORKSPACE,
 301         SWM_SEARCH_SEARCH_WORKSPACE,
 302         SWM_SEARCH_SEARCH_WINDOW
 303 };
 304
 305 #define SWM_STACK_TOP           (0)
 306 #define SWM_STACK_BOTTOM        (1)
 307 #define SWM_STACK_ABOVE         (2)
 308 #define SWM_STACK_BELOW         (3)
 309
 310 /* dialog windows */
 311 double                  dialog_ratio = 0.6;
 312 /* status bar */
 313 #define SWM_BAR_MAX             (256)
 314 #define SWM_BAR_JUSTIFY_LEFT    (0)
 315 #define SWM_BAR_JUSTIFY_CENTER  (1)
 316 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 317 #define SWM_BAR_OFFSET          (4)
 318 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 319                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 320                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 321                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 322                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 323
 324 char                    *bar_argv[] = { NULL, NULL };
 325 int                     bar_pipe[2];
 326 unsigned char           bar_ext[SWM_BAR_MAX];
 327 char                    bar_vertext[SWM_BAR_MAX];
 328 int                     bar_version = 0;
 329 sig_atomic_t            bar_alarm = 0;
 330 int                     bar_delay = 30;
 331 int                     bar_enabled = 1;
 332 int                     bar_border_width = 1;
 333 int                     bar_at_bottom = 0;
 334 int                     bar_extra = 1;
 335 int                     bar_extra_running = 0;
 336 int                     bar_verbose = 1;
 337 int                     bar_height = 0;
 338 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 339 char                    *bar_format = NULL;
 340 int                     stack_enabled = 1;
 341 int                     clock_enabled = 1;
 342 int                     urgent_enabled = 0;
 343 char                    *clock_format = NULL;
 344 int                     title_name_enabled = 0;
 345 int                     title_class_enabled = 0;
 346 int                     window_name_enabled = 0;
 347 int                     focus_mode = SWM_FOCUS_DEFAULT;
 348 int                     focus_close = SWM_STACK_BELOW;
 349 int                     focus_close_wrap = 1;
 350 int                     focus_default = SWM_STACK_TOP;
 351 int                     spawn_position = SWM_STACK_TOP;
 352 int                     disable_border = 0;
 353 int                     border_width = 1;
 354 int                     verbose_layout = 0;
 355 time_t                  time_started;
 356 pid_t                   bar_pid;
 357 XFontSet                bar_fs;
 358 XFontSetExtents         *bar_fs_extents;
 359 char                    *bar_fonts;
 360 struct passwd           *pwd;
 361
 362 #define SWM_MENU_FN     (2)
 363 #define SWM_MENU_NB     (4)
 364 #define SWM_MENU_NF     (6)
 365 #define SWM_MENU_SB     (8)
 366 #define SWM_MENU_SF     (10)
 367
 368 /* layout manager data */
 369 struct swm_geometry {
 370         int                     x;
 371         int                     y;
 372         int                     w;
 373         int                     h;
 374 };
 375
 376 struct swm_screen;
 377 struct workspace;
 378
 379 struct swm_bar {
 380         xcb_window_t            id;
 381         xcb_pixmap_t            buffer;
 382         struct swm_geometry     g;
 383 };
 384
 385 /* virtual "screens" */
 386 struct swm_region {
 387         TAILQ_ENTRY(swm_region) entry;
 388         struct swm_geometry     g;
 389         struct workspace        *ws;    /* current workspace on this region */
 390         struct workspace        *ws_prior; /* prior workspace on this region */
 391         struct swm_screen       *s;     /* screen idx */
 392         struct swm_bar          *bar;
 393 };
 394 TAILQ_HEAD(swm_region_list, swm_region);
 395
 396 struct ws_win {
 397         TAILQ_ENTRY(ws_win)     entry;
 398         xcb_window_t            id;
 399         xcb_window_t            transient;
 400         struct ws_win           *child_trans;   /* transient child window */
 401         struct swm_geometry     g;              /* current geometry */
 402         struct swm_geometry     g_float;        /* region coordinates */
 403         int                     g_floatvalid;   /* g_float geometry validity */
 404         int                     floatmaxed;     /* whether maxed by max_stack */
 405         int                     floating;
 406         int                     manual;
 407         int32_t                 iconic;
 408         int                     bordered;
 409         unsigned int            ewmh_flags;
 410         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 411         int                     font_steps;
 412         int                     last_inc;
 413         int                     can_delete;
 414         int                     take_focus;
 415         int                     java;
 416         unsigned long           quirks;
 417         struct workspace        *ws;    /* always valid */
 418         struct swm_screen       *s;     /* always valid, never changes */
 419         xcb_get_geometry_reply_t        *wa;
 420         xcb_size_hints_t        sh;
 421         xcb_icccm_get_wm_class_reply_t  ch;
 422         xcb_icccm_wm_hints_t    hints;
 423 };
 424 TAILQ_HEAD(ws_win_list, ws_win);
 425
 426 /* pid goo */
 427 struct pid_e {
 428         TAILQ_ENTRY(pid_e)      entry;
 429         pid_t                   pid;
 430         int                     ws;
 431 };
 432 TAILQ_HEAD(pid_list, pid_e);
 433 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 434
 435 /* layout handlers */
 436 void    stack(void);
 437 void    vertical_config(struct workspace *, int);
 438 void    vertical_stack(struct workspace *, struct swm_geometry *);
 439 void    horizontal_config(struct workspace *, int);
 440 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 441 void    max_stack(struct workspace *, struct swm_geometry *);
 442 void    plain_stacker(struct workspace *);
 443 void    fancy_stacker(struct workspace *);
 444
 445 struct layout {
 446         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 447         void            (*l_config)(struct workspace *, int);
 448         u_int32_t       flags;
 449 #define SWM_L_FOCUSPREV         (1<<0)
 450 #define SWM_L_MAPONFOCUS        (1<<1)
 451         void            (*l_string)(struct workspace *);
 452 } layouts[] =  {
 453         /* stack,               configure */
 454         { vertical_stack,       vertical_config,        0,      plain_stacker },
 455         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 456         { max_stack,            NULL,
 457           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 458         { NULL,                 NULL,                   0,      NULL  },
 459 };
 460
 461 /* position of max_stack mode in the layouts array, index into layouts! */
 462 #define SWM_V_STACK             (0)
 463 #define SWM_H_STACK             (1)
 464 #define SWM_MAX_STACK           (2)
 465
 466 #define SWM_H_SLICE             (32)
 467 #define SWM_V_SLICE             (32)
 468
 469 /* define work spaces */
 470 struct workspace {
 471         int                     idx;            /* workspace index */
 472         char                    *name;          /* workspace name */
 473         int                     always_raise;   /* raise windows on focus */
 474         struct layout           *cur_layout;    /* current layout handlers */
 475         struct ws_win           *focus;         /* may be NULL */
 476         struct ws_win           *focus_prev;    /* may be NULL */
 477         struct swm_region       *r;             /* may be NULL */
 478         struct swm_region       *old_r;         /* may be NULL */
 479         struct ws_win_list      winlist;        /* list of windows in ws */
 480         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 481         char                    stacker[10];    /* display stacker and layout */
 482
 483         /* stacker state */
 484         struct {
 485                                 int horizontal_msize;
 486                                 int horizontal_mwin;
 487                                 int horizontal_stacks;
 488                                 int horizontal_flip;
 489                                 int vertical_msize;
 490                                 int vertical_mwin;
 491                                 int vertical_stacks;
 492                                 int vertical_flip;
 493         } l_state;
 494 };
 495
 496 enum {
 497         SWM_S_COLOR_BAR,
 498         SWM_S_COLOR_BAR_BORDER,
 499         SWM_S_COLOR_BAR_FONT,
 500         SWM_S_COLOR_FOCUS,
 501         SWM_S_COLOR_UNFOCUS,
 502         SWM_S_COLOR_MAX
 503 };
 504
 505 /* physical screen mapping */
 506 #define SWM_WS_MAX              (22)    /* hard limit */
 507 int             workspace_limit = 10;   /* soft limit */
 508
 509 struct swm_screen {
 510         int                     idx;    /* screen index */
 511         struct swm_region_list  rl;     /* list of regions on this screen */
 512         struct swm_region_list  orl;    /* list of old regions */
 513         xcb_window_t            root;
 514         struct workspace        ws[SWM_WS_MAX];
 515
 516         /* colors */
 517         struct {
 518                 uint32_t        color;
 519                 char            *name;
 520         } c[SWM_S_COLOR_MAX];
 521
 522         xcb_gcontext_t          bar_gc;
 523 };
 524 struct swm_screen       *screens;
 525
 526 /* args to functions */
 527 union arg {
 528         int                     id;
 529 #define SWM_ARG_ID_FOCUSNEXT    (0)
 530 #define SWM_ARG_ID_FOCUSPREV    (1)
 531 #define SWM_ARG_ID_FOCUSMAIN    (2)
 532 #define SWM_ARG_ID_FOCUSCUR     (4)
 533 #define SWM_ARG_ID_SWAPNEXT     (10)
 534 #define SWM_ARG_ID_SWAPPREV     (11)
 535 #define SWM_ARG_ID_SWAPMAIN     (12)
 536 #define SWM_ARG_ID_MOVELAST     (13)
 537 #define SWM_ARG_ID_MASTERSHRINK (20)
 538 #define SWM_ARG_ID_MASTERGROW   (21)
 539 #define SWM_ARG_ID_MASTERADD    (22)
 540 #define SWM_ARG_ID_MASTERDEL    (23)
 541 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 542 #define SWM_ARG_ID_STACKRESET   (30)
 543 #define SWM_ARG_ID_STACKINIT    (31)
 544 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 545 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 546 #define SWM_ARG_ID_CYCLESC_UP   (42)
 547 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 548 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 549 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 550 #define SWM_ARG_ID_STACKINC     (50)
 551 #define SWM_ARG_ID_STACKDEC     (51)
 552 #define SWM_ARG_ID_SS_ALL       (60)
 553 #define SWM_ARG_ID_SS_WINDOW    (61)
 554 #define SWM_ARG_ID_DONTCENTER   (70)
 555 #define SWM_ARG_ID_CENTER       (71)
 556 #define SWM_ARG_ID_KILLWINDOW   (80)
 557 #define SWM_ARG_ID_DELETEWINDOW (81)
 558 #define SWM_ARG_ID_WIDTHGROW    (90)
 559 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 560 #define SWM_ARG_ID_HEIGHTGROW   (92)
 561 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 562 #define SWM_ARG_ID_MOVEUP       (100)
 563 #define SWM_ARG_ID_MOVEDOWN     (101)
 564 #define SWM_ARG_ID_MOVELEFT     (102)
 565 #define SWM_ARG_ID_MOVERIGHT    (103)
 566         char                    **argv;
 567 };
 568
 569 /* quirks */
 570 struct quirk {
 571         TAILQ_ENTRY(quirk)      entry;
 572         char                    *class;
 573         char                    *name;
 574         unsigned long           quirk;
 575 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 576 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 577 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 578 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 579 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 580 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 581 };
 582 TAILQ_HEAD(quirk_list, quirk);
 583 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 584
 585 /*
 586  * Supported EWMH hints should be added to
 587  * both the enum and the ewmh array
 588  */
 589 enum {
 590         _NET_ACTIVE_WINDOW,
 591         _NET_CLOSE_WINDOW,
 592         _NET_MOVERESIZE_WINDOW,
 593         _NET_WM_ACTION_CLOSE,
 594         _NET_WM_ACTION_FULLSCREEN,
 595         _NET_WM_ACTION_MOVE,
 596         _NET_WM_ACTION_RESIZE,
 597         _NET_WM_ALLOWED_ACTIONS,
 598         _NET_WM_STATE,
 599         _NET_WM_STATE_ABOVE,
 600         _NET_WM_STATE_FULLSCREEN,
 601         _NET_WM_STATE_HIDDEN,
 602         _NET_WM_STATE_MAXIMIZED_HORZ,
 603         _NET_WM_STATE_MAXIMIZED_VERT,
 604         _NET_WM_STATE_SKIP_PAGER,
 605         _NET_WM_STATE_SKIP_TASKBAR,
 606         _NET_WM_WINDOW_TYPE,
 607         _NET_WM_WINDOW_TYPE_DIALOG,
 608         _NET_WM_WINDOW_TYPE_DOCK,
 609         _NET_WM_WINDOW_TYPE_NORMAL,
 610         _NET_WM_WINDOW_TYPE_SPLASH,
 611         _NET_WM_WINDOW_TYPE_TOOLBAR,
 612         _NET_WM_WINDOW_TYPE_UTILITY,
 613         _SWM_WM_STATE_MANUAL,
 614         SWM_EWMH_HINT_MAX
 615 };
 616
 617 struct ewmh_hint {
 618         char            *name;
 619         xcb_atom_t      atom;
 620 } ewmh[SWM_EWMH_HINT_MAX] =     {
 621     /* must be in same order as in the enum */
 622     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 623     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 624     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 625     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 626     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 627     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 628     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 629     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 630     {"_NET_WM_STATE", XCB_ATOM_NONE},
 631     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 632     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 633     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 634     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 635     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 636     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 637     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 638     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 639     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 640     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 641     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 642     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 643     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 644     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 645     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 646 };
 647
 648 /* function prototypes */
 649 int      conf_load(char *, int);
 650 void     constrain_window(struct ws_win *, struct swm_region *, int);
 651 void     do_sync(void);
 652 void     event_handle(xcb_generic_event_t *);
 653 struct ws_win   *find_window(xcb_window_t);
 654 int      floating_toggle_win(struct ws_win *);
 655 void     focus(struct swm_region *, union arg *);
 656 void     focus_magic(struct ws_win *);
 657 xcb_atom_t get_atom_from_string(const char *);
 658 xcb_screen_t    *get_screen(int);
 659 char    *get_win_name(xcb_window_t);
 660 uint16_t getstate(xcb_window_t);
 661 void     grabbuttons(struct ws_win *, int);
 662 void     map_window_raised(xcb_window_t);
 663 void     new_region(struct swm_screen *, int, int, int, int);
 664 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 665 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 666 void     store_float_geom(struct ws_win *, struct swm_region *);
 667 void     unmanage_window(struct ws_win *);
 668 void     update_window(struct ws_win *);
 669
 670 /* function definitions */
 671 int
 672 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 673 {
 674         unsigned int    tmpr, tmpg, tmpb;
 675
 676         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 677                 return (-1);
 678
 679         *rr = tmpr << 8;
 680         *gg = tmpg << 8;
 681         *bb = tmpb << 8;
 682
 683         return (0);
 684 }
 685
 686 xcb_screen_t *
 687 get_screen(int screen)
 688 {
 689         xcb_screen_iterator_t i;
 690
 691         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 692         for (; i.rem; --screen, xcb_screen_next(&i))
 693                 if (screen == 0)
 694                         return (i.data);
 695
 696         return (NULL);
 697 }
 698
 699 void
 700 do_sync(void)
 701 {
 702         xcb_get_input_focus_cookie_t    c;
 703         xcb_get_input_focus_reply_t     *r;
 704
 705         /* mimic XSync() */
 706         c = xcb_get_input_focus(conn);
 707         xcb_flush(conn);
 708         r = xcb_get_input_focus_reply(conn, c, NULL);
 709         if (r)
 710                 free(r);
 711 }
 712
 713 void
 714 map_window_raised(xcb_window_t win)
 715 {
 716         uint32_t        val = XCB_STACK_MODE_ABOVE;
 717
 718         xcb_configure_window(conn, win,
 719             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 720
 721         xcb_map_window(conn, win);
 722 }
 723
 724 xcb_atom_t
 725 get_atom_from_string(const char *str)
 726 {
 727         xcb_intern_atom_cookie_t        c;
 728         xcb_intern_atom_reply_t         *r;
 729         xcb_atom_t                      atom;
 730
 731         c = xcb_intern_atom(conn, False, strlen(str), str);
 732         r = xcb_intern_atom_reply(conn, c, NULL);
 733         if (r) {
 734                 atom = r->atom;
 735                 free(r);
 736
 737                 return (atom);
 738         }
 739
 740         return (XCB_ATOM_NONE);
 741 }
 742
 743 void
 744 update_iconic(struct ws_win *win, int newv)
 745 {
 746         int32_t                         v = newv;
 747         xcb_atom_t                      iprop;
 748
 749         win->iconic = newv;
 750
 751         iprop = get_atom_from_string("_SWM_ICONIC");
 752         if (iprop == XCB_ATOM_NONE)
 753                 return;
 754
 755         if (newv)
 756                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 757                     iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 758         else
 759                 xcb_delete_property(conn, win->id, iprop);
 760 }
 761
 762 int32_t
 763 get_iconic(struct ws_win *win)
 764 {
 765         int32_t                         v = 0;
 766         xcb_atom_t                      iprop;
 767         xcb_get_property_reply_t        *pr = NULL;
 768
 769         iprop = get_atom_from_string("_SWM_ICONIC");
 770         if (iprop == XCB_ATOM_NONE)
 771                 goto out;
 772
 773         pr = xcb_get_property_reply(conn,
 774             xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 775             0, 1), NULL);
 776         if (!pr)
 777                 goto out;
 778         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 779                 goto out;
 780         v = *((int32_t *)xcb_get_property_value(pr));
 781 out:
 782         if (pr)
 783                 free(pr);
 784         return (v);
 785 }
 786
 787 void
 788 setup_ewmh(void)
 789 {
 790         xcb_atom_t                      sup_list;
 791         int                             i, j, num_screens;
 792
 793         sup_list = get_atom_from_string("_NET_SUPPORTED");
 794
 795         for (i = 0; i < LENGTH(ewmh); i++)
 796                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 797
 798         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 799         for (i = 0; i < num_screens; i++) {
 800                 /* Support check window will be created by workaround(). */
 801
 802                 /* Report supported atoms */
 803                 xcb_delete_property(conn, screens[i].root, sup_list);
 804                 for (j = 0; j < LENGTH(ewmh); j++)
 805                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 806                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 807                             &ewmh[j].atom);
 808         }
 809 }
 810
 811 void
 812 teardown_ewmh(void)
 813 {
 814         int                             i, num_screens;
 815         xcb_atom_t                      sup_check, sup_list;
 816         xcb_window_t                    id;
 817         xcb_get_property_cookie_t       pc;
 818         xcb_get_property_reply_t        *pr;
 819
 820         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 821         sup_list = get_atom_from_string("_NET_SUPPORTED");
 822         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 823
 824         for (i = 0; i < num_screens; i++) {
 825                 /* Get the support check window and destroy it */
 826                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 827                     XCB_ATOM_WINDOW, 0, 1);
 828                 pr = xcb_get_property_reply(conn, pc, NULL);
 829                 if (pr) {
 830                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 831
 832                         xcb_destroy_window(conn, id);
 833                         xcb_delete_property(conn, screens[i].root, sup_check);
 834                         xcb_delete_property(conn, screens[i].root, sup_list);
 835
 836                         free(pr);
 837                 }
 838         }
 839 }
 840
 841 void
 842 ewmh_autoquirk(struct ws_win *win)
 843 {
 844         uint32_t                i, n;
 845         xcb_atom_t              *type;
 846         xcb_get_property_cookie_t       c;
 847         xcb_get_property_reply_t        *r;
 848
 849         c = xcb_get_property(conn, False, win->id,
 850             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 851         r = xcb_get_property_reply(conn, c, NULL);
 852         if (!r)
 853                 return;
 854
 855         n = xcb_get_property_value_length(r);
 856         type = xcb_get_property_value(r);
 857
 858         for (i = 0; i < n; i++) {
 859                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 860                         break;
 861                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 862                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 863                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 864                         win->floating = 1;
 865                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 866                         break;
 867                 }
 868                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 869                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 870                         win->floating = 1;
 871                         win->quirks = SWM_Q_FLOAT;
 872                         break;
 873                 }
 874         }
 875         free(r);
 876 }
 877
 878 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 879 #define EWMH_F_FULLSCREEN               (1<<0)
 880 #define EWMH_F_ABOVE                    (1<<1)
 881 #define EWMH_F_HIDDEN                   (1<<2)
 882 #define EWMH_F_SKIP_PAGER               (1<<3)
 883 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 884 #define SWM_F_MANUAL                    (1<<5)
 885
 886 int
 887 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 888 {
 889         if (!win->ws->r)
 890                 return (0);
 891
 892         if (!win->floating)
 893                 return (0);
 894
 895         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 896             "fullscreen %s\n", win->id, YESNO(fs));
 897
 898         if (fs) {
 899                 if (!win->g_floatvalid)
 900                         store_float_geom(win, win->ws->r);
 901
 902                 win->g = win->ws->r->g;
 903                 win->bordered = 0;
 904         } else {
 905                 if (win->g_floatvalid) {
 906                         /* refloat at last floating relative position */
 907                         win->g = win->g_float;
 908                         X(win) += X(win->ws->r);
 909                         Y(win) += Y(win->ws->r);
 910                 }
 911         }
 912
 913         return (1);
 914 }
 915
 916 void
 917 ewmh_update_actions(struct ws_win *win)
 918 {
 919         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 920         int                     n = 0;
 921
 922         if (win == NULL)
 923                 return;
 924
 925         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 926
 927         if (win->floating) {
 928                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 929                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 930         }
 931
 932         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 933             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
 934 }
 935
 936 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 937 #define _NET_WM_STATE_ADD       1    /* add/set property */
 938 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 939
 940 void
 941 ewmh_update_win_state(struct ws_win *win, long state, long action)
 942 {
 943         unsigned int            mask = 0;
 944         unsigned int            changed = 0;
 945         unsigned int            orig_flags;
 946
 947         if (win == NULL)
 948                 return;
 949
 950         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 951                 mask = EWMH_F_FULLSCREEN;
 952         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 953                 mask = EWMH_F_ABOVE;
 954         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 955                 mask = SWM_F_MANUAL;
 956         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 957                 mask = EWMH_F_SKIP_PAGER;
 958         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 959                 mask = EWMH_F_SKIP_TASKBAR;
 960
 961
 962         orig_flags = win->ewmh_flags;
 963
 964         switch (action) {
 965         case _NET_WM_STATE_REMOVE:
 966                 win->ewmh_flags &= ~mask;
 967                 break;
 968         case _NET_WM_STATE_ADD:
 969                 win->ewmh_flags |= mask;
 970                 break;
 971         case _NET_WM_STATE_TOGGLE:
 972                 win->ewmh_flags ^= mask;
 973                 break;
 974         }
 975
 976         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 977
 978         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 979                 if (changed)
 980                         if (!floating_toggle_win(win))
 981                                 win->ewmh_flags = orig_flags; /* revert */
 982         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 983                 if (changed)
 984                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 985         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 986                 if (changed)
 987                         if (!ewmh_set_win_fullscreen(win,
 988                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 989                                 win->ewmh_flags = orig_flags; /* revert */
 990
 991         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 992
 993         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 994                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 995                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 996                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 997         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 998                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 999                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1000                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1001         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1002                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1003                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1004                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1005         if (win->ewmh_flags & EWMH_F_ABOVE)
1006                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1007                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1008                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1009         if (win->ewmh_flags & SWM_F_MANUAL)
1010                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1011                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1012                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1013 }
1014
1015 void
1016 ewmh_get_win_state(struct ws_win *win)
1017 {
1018         xcb_atom_t                      *states;
1019         xcb_get_property_cookie_t       c;
1020         xcb_get_property_reply_t        *r;
1021         int                             i, n;
1022
1023         if (win == NULL)
1024                 return;
1025
1026         win->ewmh_flags = 0;
1027         if (win->floating)
1028                 win->ewmh_flags |= EWMH_F_ABOVE;
1029         if (win->manual)
1030                 win->ewmh_flags |= SWM_F_MANUAL;
1031
1032         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1033             XCB_ATOM_ATOM, 0, UINT32_MAX);
1034         r = xcb_get_property_reply(conn, c, NULL);
1035         if (!r)
1036                 return;
1037
1038         states = xcb_get_property_value(r);
1039         n = xcb_get_property_value_length(r);
1040
1041         for (i = 0; i < n; i++)
1042                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1043
1044         free(r);
1045 }
1046
1047 /* events */
1048 #ifdef SWM_DEBUG
1049 void
1050 dumpwins(struct swm_region *r, union arg *args)
1051 {
1052         struct ws_win                           *win;
1053         uint16_t                                state;
1054         xcb_get_window_attributes_cookie_t      c;
1055         xcb_get_window_attributes_reply_t       *wa;
1056
1057         if (r->ws == NULL) {
1058                 warnx("dumpwins: invalid workspace");
1059                 return;
1060         }
1061
1062         warnx("=== managed window list ws %02d ===", r->ws->idx);
1063         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1064                 state = getstate(win->id);
1065                 c = xcb_get_window_attributes(conn, win->id);
1066                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1067                 if (wa) {
1068                         warnx("window: 0x%x, map_state: %d, state: %u, "
1069                             "transient: 0x%x", win->id, wa->map_state,
1070                             state, win->transient);
1071                         free(wa);
1072                 } else
1073                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1074                             win->id);
1075         }
1076
1077         warnx("===== unmanaged window list =====");
1078         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1079                 state = getstate(win->id);
1080                 c = xcb_get_window_attributes(conn, win->id);
1081                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1082                 if (wa) {
1083                         warnx("window: 0x%x, map_state: %d, state: %u, "
1084                             "transient: 0x%x", win->id, wa->map_state,
1085                             state, win->transient);
1086                         free(wa);
1087                 } else
1088                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1089                             win->id);
1090         }
1091
1092         warnx("=================================");
1093 }
1094 #else
1095 void
1096 dumpwins(struct swm_region *r, union arg *args)
1097 {
1098 }
1099 #endif /* SWM_DEBUG */
1100
1101 void                    event_error(xcb_generic_error_t *);
1102 void                    expose(xcb_expose_event_t *);
1103 void                    keypress(xcb_key_press_event_t *);
1104 void                    buttonpress(xcb_button_press_event_t *);
1105 void                    configurerequest(xcb_configure_request_event_t *);
1106 void                    configurenotify(xcb_configure_notify_event_t *);
1107 void                    destroynotify(xcb_destroy_notify_event_t *);
1108 void                    enternotify(xcb_enter_notify_event_t *);
1109 void                    mapnotify(xcb_map_notify_event_t *);
1110 void                    mappingnotify(xcb_mapping_notify_event_t *);
1111 void                    maprequest(xcb_map_request_event_t *);
1112 void                    propertynotify(xcb_property_notify_event_t *);
1113 void                    unmapnotify(xcb_unmap_notify_event_t *);
1114 /*void                  visibilitynotify(xcb_visibility_notify_event_t *);*/
1115 void                    clientmessage(xcb_client_message_event_t *);
1116 void                    screenchange(xcb_randr_screen_change_notify_event_t *);
1117
1118 void
1119 sighdlr(int sig)
1120 {
1121         int                     saved_errno, status;
1122         pid_t                   pid;
1123
1124         saved_errno = errno;
1125
1126         switch (sig) {
1127         case SIGCHLD:
1128                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1129                         if (pid == -1) {
1130                                 if (errno == EINTR)
1131                                         continue;
1132 #ifdef SWM_DEBUG
1133                                 if (errno != ECHILD)
1134                                         warn("sighdlr: waitpid");
1135 #endif /* SWM_DEBUG */
1136                                 break;
1137                         }
1138                         if (pid == searchpid)
1139                                 search_resp = 1;
1140
1141 #ifdef SWM_DEBUG
1142                         if (WIFEXITED(status)) {
1143                                 if (WEXITSTATUS(status) != 0)
1144                                         warnx("sighdlr: child exit status: %d",
1145                                             WEXITSTATUS(status));
1146                         } else
1147                                 warnx("sighdlr: child is terminated "
1148                                     "abnormally");
1149 #endif /* SWM_DEBUG */
1150                 }
1151                 break;
1152
1153         case SIGHUP:
1154                 restart_wm = 1;
1155                 break;
1156         case SIGINT:
1157         case SIGTERM:
1158         case SIGQUIT:
1159                 running = 0;
1160                 break;
1161         }
1162
1163         errno = saved_errno;
1164 }
1165
1166 struct pid_e *
1167 find_pid(pid_t pid)
1168 {
1169         struct pid_e            *p = NULL;
1170
1171         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1172
1173         if (pid == 0)
1174                 return (NULL);
1175
1176         TAILQ_FOREACH(p, &pidlist, entry) {
1177                 if (p->pid == pid)
1178                         return (p);
1179         }
1180
1181         return (NULL);
1182 }
1183
1184 uint32_t
1185 name_to_color(const char *colorname)
1186 {
1187         uint32_t                        result = 0;
1188         char                            cname[32] = "#";
1189         xcb_screen_t                    *screen;
1190         xcb_colormap_t                  cmap;
1191         xcb_alloc_color_reply_t         *cr;
1192         xcb_alloc_named_color_reply_t   *nr;
1193         uint16_t                        rr, gg, bb;
1194
1195         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1196         cmap = screen->default_colormap;
1197
1198         /* color is in format rgb://rr/gg/bb */
1199         if (strncmp(colorname, "rgb:", 4) == 0) {
1200                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1201                         warnx("could not parse rgb %s", colorname);
1202                 else {
1203                         cr = xcb_alloc_color_reply(conn,
1204                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1205                             NULL);
1206                         if (cr) {
1207                                 result = cr->pixel;
1208                                 free(cr);
1209                         } else
1210                                 warnx("color '%s' not found", colorname);
1211                 }
1212         } else {
1213                 nr = xcb_alloc_named_color_reply(conn,
1214                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1215                             colorname), NULL);
1216                 if (!nr) {
1217                         strlcat(cname, colorname + 2, sizeof cname - 1);
1218                         nr = xcb_alloc_named_color_reply(conn,
1219                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1220                             cname), NULL);
1221                 }
1222                 if (nr) {
1223                         result = nr->pixel;
1224                         free(nr);
1225                 } else
1226                         warnx("color '%s' not found", colorname);
1227         }
1228
1229         return (result);
1230 }
1231
1232 void
1233 setscreencolor(char *val, int i, int c)
1234 {
1235         int     num_screens;
1236
1237         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1238         if (i > 0 && i <= num_screens) {
1239                 screens[i - 1].c[c].color = name_to_color(val);
1240                 free(screens[i - 1].c[c].name);
1241                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1242                         err(1, "strdup");
1243         } else if (i == -1) {
1244                 for (i = 0; i < num_screens; i++) {
1245                         screens[i].c[c].color = name_to_color(val);
1246                         free(screens[i].c[c].name);
1247                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1248                                 err(1, "strdup");
1249                 }
1250         } else
1251                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1252                     i, num_screens);
1253 }
1254
1255 void
1256 fancy_stacker(struct workspace *ws)
1257 {
1258         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1259         if (ws->cur_layout->l_stack == vertical_stack)
1260                 snprintf(ws->stacker, sizeof ws->stacker,
1261                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1262                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1263         if (ws->cur_layout->l_stack == horizontal_stack)
1264                 snprintf(ws->stacker, sizeof ws->stacker,
1265                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1266                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1267 }
1268
1269 void
1270 plain_stacker(struct workspace *ws)
1271 {
1272         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1273         if (ws->cur_layout->l_stack == vertical_stack)
1274                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1275                     sizeof ws->stacker);
1276         if (ws->cur_layout->l_stack == horizontal_stack)
1277                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1278                     sizeof ws->stacker);
1279 }
1280
1281 void
1282 custom_region(char *val)
1283 {
1284         unsigned int                    sidx, x, y, w, h;
1285         int                             num_screens;
1286         xcb_screen_t                    *screen;
1287
1288         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1289         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1290                 errx(1, "invalid custom region, "
1291                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1292         if (sidx < 1 || sidx > num_screens)
1293                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1294                     sidx, num_screens);
1295         sidx--;
1296
1297         screen = get_screen(sidx);
1298         if (w < 1 || h < 1)
1299                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1300
1301         if (x > screen->width_in_pixels ||
1302             y > screen->height_in_pixels ||
1303             w + x > screen->width_in_pixels ||
1304             h + y > screen->height_in_pixels) {
1305                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1306                     "boundaries (%ux%u)", w, h, x, y,
1307                     screen->width_in_pixels, screen->height_in_pixels);
1308                 return;
1309         }
1310
1311         new_region(&screens[sidx], x, y, w, h);
1312 }
1313
1314 void
1315 socket_setnonblock(int fd)
1316 {
1317         int                     flags;
1318
1319         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1320                 err(1, "fcntl F_GETFL");
1321         flags |= O_NONBLOCK;
1322         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1323                 err(1, "fcntl F_SETFL");
1324 }
1325
1326 void
1327 bar_print(struct swm_region *r, const char *s)
1328 {
1329         int                     x = 0;
1330         size_t                  len;
1331         xcb_rectangle_t         rect;
1332         uint32_t                gcv[1];
1333         XRectangle              ibox, lbox;
1334
1335         len = strlen(s);
1336         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1337
1338         switch (bar_justify) {
1339         case SWM_BAR_JUSTIFY_LEFT:
1340                 x = SWM_BAR_OFFSET;
1341                 break;
1342         case SWM_BAR_JUSTIFY_CENTER:
1343                 x = (WIDTH(r) - lbox.width) / 2;
1344                 break;
1345         case SWM_BAR_JUSTIFY_RIGHT:
1346                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1347                 break;
1348         }
1349
1350         if (x < SWM_BAR_OFFSET)
1351                 x = SWM_BAR_OFFSET;
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         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1370             (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1371             lbox.y, s);
1372
1373         /* blt */
1374         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1375             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1376 }
1377
1378 void
1379 bar_extra_stop(void)
1380 {
1381         if (bar_pipe[0]) {
1382                 close(bar_pipe[0]);
1383                 bzero(bar_pipe, sizeof bar_pipe);
1384         }
1385         if (bar_pid) {
1386                 kill(bar_pid, SIGTERM);
1387                 bar_pid = 0;
1388         }
1389         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1390         bar_extra = 0;
1391 }
1392
1393 void
1394 bar_class_name(char *s, size_t sz, struct swm_region *r)
1395 {
1396         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1397                 return;
1398         if (r->ws->focus->ch.class_name != NULL)
1399                 strlcat(s, r->ws->focus->ch.class_name, sz);
1400 }
1401
1402 void
1403 bar_title_name(char *s, size_t sz, struct swm_region *r)
1404 {
1405         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1406                 return;
1407         if (r->ws->focus->ch.instance_name != NULL)
1408                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1409 }
1410
1411 void
1412 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1413 {
1414         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1415                 return;
1416
1417         bar_class_name(s, sz, r);
1418         strlcat(s, ":", sz);
1419         bar_title_name(s, sz, r);
1420 }
1421
1422 void
1423 bar_window_float(char *s, size_t sz, struct swm_region *r)
1424 {
1425         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1426                 return;
1427         if (r->ws->focus->floating)
1428                 strlcat(s, "(f)", sz);
1429 }
1430
1431 void
1432 bar_window_name(char *s, size_t sz, struct swm_region *r)
1433 {
1434         char            *title;
1435
1436         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1437                 return;
1438         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1439                 return;
1440
1441         strlcat(s, title, sz);
1442         free(title);
1443 }
1444
1445 int             urgent[SWM_WS_MAX];
1446 void
1447 bar_urgent(char *s, size_t sz)
1448 {
1449         struct ws_win           *win;
1450         int                     i, j, num_screens;
1451         char                    b[8];
1452         xcb_get_property_cookie_t       c;
1453         xcb_icccm_wm_hints_t    hints;
1454
1455         for (i = 0; i < workspace_limit; i++)
1456                 urgent[i] = 0;
1457
1458         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1459         for (i = 0; i < num_screens; i++)
1460                 for (j = 0; j < workspace_limit; j++)
1461                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1462                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1463                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1464                                     &hints, NULL) == 0)
1465                                         continue;
1466                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1467                                         urgent[j] = 1;
1468                         }
1469
1470         for (i = 0; i < workspace_limit; i++) {
1471                 if (urgent[i])
1472                         snprintf(b, sizeof b, "%d ", i + 1);
1473                 else
1474                         snprintf(b, sizeof b, "- ");
1475                 strlcat(s, b, sz);
1476         }
1477 }
1478
1479 void
1480 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1481 {
1482         if (r == NULL || r->ws == NULL)
1483                 return;
1484         if (r->ws->name != NULL)
1485                 strlcat(s, r->ws->name, sz);
1486 }
1487
1488 /* build the default bar format according to the defined enabled options */
1489 void
1490 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1491 {
1492         /* if format provided, just copy the buffers */
1493         if (bar_format != NULL) {
1494                 strlcpy(fmtnew, fmtexp, sz);
1495                 return;
1496         }
1497
1498         /* reset the output buffer */
1499         *fmtnew = '\0';
1500
1501         strlcat(fmtnew, "+N:+I ", sz);
1502         if (stack_enabled)
1503                 strlcat(fmtnew, "+S", sz);
1504         strlcat(fmtnew, " ", sz);
1505
1506         /* only show the workspace name if there's actually one */
1507         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1508                 strlcat(fmtnew, "<+D>", sz);
1509         strlcat(fmtnew, "+3<", sz);
1510
1511         if (clock_enabled) {
1512                 strlcat(fmtnew, fmtexp, sz);
1513                 strlcat(fmtnew, "+4<", sz);
1514         }
1515
1516         /* bar_urgent already adds the space before the last asterisk */
1517         if (urgent_enabled)
1518                 strlcat(fmtnew, "* +U*+4<", sz);
1519
1520         if (title_class_enabled) {
1521                 strlcat(fmtnew, "+C", sz);
1522                 if (title_name_enabled == 0)
1523                         strlcat(fmtnew, "+4<", sz);
1524         }
1525
1526         /* checks needed by the colon and floating strlcat(3) calls below */
1527         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1528                 if (title_name_enabled) {
1529                         if (title_class_enabled)
1530                                 strlcat(fmtnew, ":", sz);
1531                         strlcat(fmtnew, "+T+4<", sz);
1532                 }
1533                 if (window_name_enabled) {
1534                         if (r->ws->focus->floating)
1535                                 strlcat(fmtnew, "+F ", sz);
1536                         strlcat(fmtnew, "+64W ", sz);
1537                 }
1538         }
1539
1540         /* finally add the action script output and the version */
1541         strlcat(fmtnew, "+4<+A+4<+V", sz);
1542 }
1543
1544 void
1545 bar_replace_pad(char *tmp, int *limit, size_t sz)
1546 {
1547         /* special case; no limit given, pad one space, instead */
1548         if (*limit == sz - 1)
1549                 *limit = 1;
1550         snprintf(tmp, sz, "%*s", *limit, " ");
1551 }
1552
1553 /* replaces the bar format character sequences (like in tmux(1)) */
1554 char *
1555 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1556     size_t sz)
1557 {
1558         char                    *ptr;
1559         char                    tmp[SWM_BAR_MAX];
1560         int                     limit, size;
1561         size_t                  len;
1562
1563         /* reset strlcat(3) buffer */
1564         *tmp = '\0';
1565
1566         /* get number, if any */
1567         fmt++;
1568         size = 0;
1569         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1570                 limit = sizeof tmp - 1;
1571         if (limit <= 0 || limit >= sizeof tmp)
1572                 limit = sizeof tmp - 1;
1573
1574         /* there is nothing to replace (ie EOL) */
1575         fmt += size;
1576         if (*fmt == '\0')
1577                 return (fmt);
1578
1579         switch (*fmt) {
1580         case '<':
1581                 bar_replace_pad(tmp, &limit, sizeof tmp);
1582                 break;
1583         case 'A':
1584                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1585                 break;
1586         case 'C':
1587                 bar_class_name(tmp, sizeof tmp, r);
1588                 break;
1589         case 'D':
1590                 bar_workspace_name(tmp, sizeof tmp, r);
1591                 break;
1592         case 'F':
1593                 bar_window_float(tmp, sizeof tmp, r);
1594                 break;
1595         case 'I':
1596                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1597                 break;
1598         case 'N':
1599                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1600                 break;
1601         case 'P':
1602                 bar_class_title_name(tmp, sizeof tmp, r);
1603                 break;
1604         case 'S':
1605                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1606                 break;
1607         case 'T':
1608                 bar_title_name(tmp, sizeof tmp, r);
1609                 break;
1610         case 'U':
1611                 bar_urgent(tmp, sizeof tmp);
1612                 break;
1613         case 'V':
1614                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1615                 break;
1616         case 'W':
1617                 bar_window_name(tmp, sizeof tmp, r);
1618                 break;
1619         default:
1620                 /* unknown character sequence; copy as-is */
1621                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1622                 break;
1623         }
1624
1625         len = strlen(tmp);
1626         ptr = tmp;
1627         if (len < limit)
1628                 limit = len;
1629         while (limit-- > 0) {
1630                 if (*offrep >= sz - 1)
1631                         break;
1632                 fmtrep[(*offrep)++] = *ptr++;
1633         }
1634
1635         fmt++;
1636         return (fmt);
1637 }
1638
1639 void
1640 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1641 {
1642         size_t                  off;
1643
1644         off = 0;
1645         while (*fmt != '\0') {
1646                 if (*fmt != '+') {
1647                         /* skip ordinary characters */
1648                         if (off >= sz - 1)
1649                                 break;
1650                         fmtrep[off++] = *fmt++;
1651                         continue;
1652                 }
1653
1654                 /* character sequence found; replace it */
1655                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1656                 if (off >= sz - 1)
1657                         break;
1658         }
1659
1660         fmtrep[off] = '\0';
1661 }
1662
1663 void
1664 bar_fmt_expand(char *fmtexp, size_t sz)
1665 {
1666         char                    *fmt = NULL;
1667         size_t                  len;
1668         struct tm               tm;
1669         time_t                  tmt;
1670
1671         /* start by grabbing the current time and date */
1672         time(&tmt);
1673         localtime_r(&tmt, &tm);
1674
1675         /* figure out what to expand */
1676         if (bar_format != NULL)
1677                 fmt = bar_format;
1678         else if (bar_format == NULL && clock_enabled)
1679                 fmt = clock_format;
1680         /* if nothing to expand bail out */
1681         if (fmt == NULL) {
1682                 *fmtexp = '\0';
1683                 return;
1684         }
1685
1686         /* copy as-is, just in case the format shouldn't be expanded below */
1687         strlcpy(fmtexp, fmt, sz);
1688         /* finally pass the string through strftime(3) */
1689 #ifndef SWM_DENY_CLOCK_FORMAT
1690         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1691                 warnx("format too long");
1692         fmtexp[len] = '\0';
1693 #endif
1694 }
1695
1696 void
1697 bar_fmt_print(void)
1698 {
1699         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1700         char                    fmtrep[SWM_BAR_MAX];
1701         int                     i, num_screens;
1702         struct swm_region       *r;
1703
1704         /* expand the format by first passing it through strftime(3) */
1705         bar_fmt_expand(fmtexp, sizeof fmtexp);
1706
1707         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1708         for (i = 0; i < num_screens; i++) {
1709                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1710                         if (r->bar == NULL)
1711                                 continue;
1712                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1713                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1714                         bar_print(r, fmtrep);
1715                 }
1716         }
1717 }
1718
1719 void
1720 bar_update(void)
1721 {
1722         size_t                  len;
1723         char                    *b;
1724
1725         if (bar_enabled == 0)
1726                 return;
1727         if (bar_extra && bar_extra_running) {
1728                 /* ignore short reads; it'll correct itself */
1729                 while ((b = fgetln(stdin, &len)) != NULL)
1730                         if (b && b[len - 1] == '\n') {
1731                                 b[len - 1] = '\0';
1732                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1733                         }
1734                 if (b == NULL && errno != EAGAIN) {
1735                         warn("bar_update: bar_extra failed");
1736                         bar_extra_stop();
1737                 }
1738         } else
1739                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1740
1741         bar_fmt_print();
1742         alarm(bar_delay);
1743 }
1744
1745 void
1746 bar_signal(int sig)
1747 {
1748         bar_alarm = 1;
1749 }
1750
1751 void
1752 bar_toggle(struct swm_region *r, union arg *args)
1753 {
1754         struct swm_region       *tmpr;
1755         int                     i, num_screens;
1756
1757         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1758
1759         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1760         if (bar_enabled) {
1761                 for (i = 0; i < num_screens; i++)
1762                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1763                                 if (tmpr->bar)
1764                                         xcb_unmap_window(conn, tmpr->bar->id);
1765         } else {
1766                 for (i = 0; i < num_screens; i++)
1767                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1768                                 if (tmpr->bar)
1769                                         map_window_raised(tmpr->bar->id);
1770         }
1771
1772         bar_enabled = !bar_enabled;
1773
1774         stack();
1775         /* must be after stack */
1776         bar_update();
1777
1778         xcb_flush(conn);
1779 }
1780
1781 void
1782 bar_refresh(void)
1783 {
1784         struct swm_region       *r;
1785         uint32_t                wa[2];
1786         int                     i, num_screens;
1787
1788         /* do this here because the conf file is in memory */
1789         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1790                 /* launch external status app */
1791                 bar_extra_running = 1;
1792                 if (pipe(bar_pipe) == -1)
1793                         err(1, "pipe error");
1794                 socket_setnonblock(bar_pipe[0]);
1795                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1796                 if (dup2(bar_pipe[0], 0) == -1)
1797                         err(1, "dup2");
1798                 if (dup2(bar_pipe[1], 1) == -1)
1799                         err(1, "dup2");
1800                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1801                         err(1, "could not disable SIGPIPE");
1802                 switch (bar_pid = fork()) {
1803                 case -1:
1804                         err(1, "cannot fork");
1805                         break;
1806                 case 0: /* child */
1807                         close(bar_pipe[0]);
1808                         execvp(bar_argv[0], bar_argv);
1809                         err(1, "%s external app failed", bar_argv[0]);
1810                         break;
1811                 default: /* parent */
1812                         close(bar_pipe[1]);
1813                         break;
1814                 }
1815         }
1816
1817         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1818         for (i = 0; i < num_screens; i++)
1819                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1820                         if (r->bar == NULL)
1821                                 continue;
1822                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1823                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1824                         xcb_change_window_attributes(conn, r->bar->id,
1825                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1826                 }
1827         bar_update();
1828 }
1829
1830 void
1831 bar_setup(struct swm_region *r)
1832 {
1833         char                    *default_string;
1834         char                    **missing_charsets;
1835         int                     num_missing_charsets = 0;
1836         int                     i;
1837         xcb_screen_t            *screen = get_screen(r->s->idx);
1838         uint32_t                wa[3];
1839
1840         if (bar_fs) {
1841                 XFreeFontSet(display, bar_fs);
1842                 bar_fs = NULL;
1843         }
1844
1845         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1846                 err(1, "bar_setup: calloc: failed to allocate memory.");
1847
1848         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1849
1850         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1851             &num_missing_charsets, &default_string);
1852
1853         if (num_missing_charsets > 0) {
1854                 warnx("Unable to load charset(s):");
1855
1856                 for (i = 0; i < num_missing_charsets; ++i)
1857                         warnx("%s", missing_charsets[i]);
1858
1859                 XFreeStringList(missing_charsets);
1860
1861                 if (strcmp(default_string, ""))
1862                         warnx("Glyphs from those sets will be replaced "
1863                             "by '%s'.", default_string);
1864                 else
1865                         warnx("Glyphs from those sets won't be drawn.");
1866         }
1867
1868         if (bar_fs == NULL)
1869                 errx(1, "Error creating font set structure.");
1870
1871         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1872
1873         bar_height = bar_fs_extents->max_logical_extent.height +
1874             2 * bar_border_width;
1875
1876         if (bar_height < 1)
1877                 bar_height = 1;
1878
1879         X(r->bar) = X(r);
1880         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1881         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1882         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1883
1884         r->bar->id = xcb_generate_id(conn);
1885         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
1886         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
1887         wa[2] = XCB_EVENT_MASK_EXPOSURE;
1888         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1889             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1890             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1891             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
1892             | XCB_CW_EVENT_MASK, wa);
1893
1894         r->bar->buffer = xcb_generate_id(conn);
1895         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1896             WIDTH(r->bar), HEIGHT(r->bar));
1897
1898         xcb_randr_select_input(conn, r->bar->id,
1899             XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1900
1901         if (bar_enabled)
1902                 map_window_raised(r->bar->id);
1903
1904         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1905             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1906             HEIGHT(r->bar));
1907
1908         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1909                 err(1, "could not install bar_signal");
1910         bar_refresh();
1911 }
1912
1913 void
1914 bar_cleanup(struct swm_region *r)
1915 {
1916         if (r->bar == NULL)
1917                 return;
1918         xcb_destroy_window(conn, r->bar->id);
1919         xcb_free_pixmap(conn, r->bar->buffer);
1920         free(r->bar);
1921         r->bar = NULL;
1922 }
1923
1924 void
1925 set_win_state(struct ws_win *win, uint16_t state)
1926 {
1927         uint16_t                data[2] = { state, XCB_ATOM_NONE };
1928
1929         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
1930
1931         if (win == NULL)
1932                 return;
1933
1934         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, astate,
1935             astate, 32, 2, data);
1936 }
1937
1938 uint16_t
1939 getstate(xcb_window_t w)
1940 {
1941         uint16_t                        result = 0;
1942         xcb_get_property_cookie_t       c;
1943         xcb_get_property_reply_t        *r;
1944
1945         c = xcb_get_property(conn, False, w, astate, astate, 0L, 2L);
1946         r = xcb_get_property_reply(conn, c, NULL);
1947
1948         if (r) {
1949                 result = *((uint16_t *)xcb_get_property_value(r));
1950                 free(r);
1951         }
1952
1953         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
1954             result);
1955         return (result);
1956 }
1957
1958 void
1959 version(struct swm_region *r, union arg *args)
1960 {
1961         bar_version = !bar_version;
1962         if (bar_version)
1963                 snprintf(bar_vertext, sizeof bar_vertext,
1964                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1965         else
1966                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1967         bar_update();
1968
1969         xcb_flush(conn);
1970 }
1971
1972 void
1973 client_msg(struct ws_win *win, xcb_atom_t a)
1974 {
1975         xcb_client_message_event_t      ev;
1976
1977         if (win == NULL)
1978                 return;
1979
1980         bzero(&ev, sizeof ev);
1981         ev.response_type = XCB_CLIENT_MESSAGE;
1982         ev.window = win->id;
1983         ev.type = aprot;
1984         ev.format = 32;
1985         ev.data.data32[0] = a;
1986         ev.data.data32[1] = XCB_CURRENT_TIME;
1987
1988         xcb_send_event(conn, False, win->id,
1989             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
1990 }
1991
1992 /* synthetic response to a ConfigureRequest when not making a change */
1993 void
1994 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
1995 {
1996         xcb_configure_notify_event_t ce;
1997
1998         if (win == NULL)
1999                 return;
2000
2001         /* send notification of unchanged state. */
2002         bzero(&ce, sizeof(ce));
2003         ce.response_type = XCB_CONFIGURE_NOTIFY;
2004         ce.x = X(win);
2005         ce.y = Y(win);
2006         ce.width = WIDTH(win);
2007         ce.height = HEIGHT(win);
2008         ce.override_redirect = False;
2009
2010         if (ev == NULL) {
2011                 /* EWMH */
2012                 ce.event = win->id;
2013                 ce.window = win->id;
2014                 ce.border_width = BORDER(win);
2015                 ce.above_sibling = XCB_WINDOW_NONE;
2016         } else {
2017                 /* normal */
2018                 ce.event = ev->window;
2019                 ce.window = ev->window;
2020
2021                 /* make response appear more WM_SIZE_HINTS-compliant */
2022                 if (win->sh.flags)
2023                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2024                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2025                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2026                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2027                             SH_INC_W(win), SH_INC_H(win));
2028
2029                 /* min size */
2030                 if (SH_MIN(win)) {
2031                         /* the hint may be set... to 0! */
2032                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2033                                 ce.width = SH_MIN_W(win);
2034                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2035                                 ce.height = SH_MIN_H(win);
2036                 }
2037
2038                 /* max size */
2039                 if (SH_MAX(win)) {
2040                         /* may also be advertized as 0 */
2041                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2042                                 ce.width = SH_MAX_W(win);
2043                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2044                                 ce.height = SH_MAX_H(win);
2045                 }
2046
2047                 /* resize increment. */
2048                 if (SH_INC(win)) {
2049                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2050                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2051                                     SH_INC_W(win);
2052                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2053                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2054                                     SH_INC_H(win);
2055                 }
2056
2057                 /* adjust x and y for requested border_width. */
2058                 ce.x += BORDER(win) - ev->border_width;
2059                 ce.y += BORDER(win) - ev->border_width;
2060                 ce.border_width = ev->border_width;
2061                 ce.above_sibling = ev->sibling;
2062         }
2063
2064         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2065             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2066             ce.y, ce.width, ce.height, ce.border_width);
2067
2068         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2069                 (char *)&ce);
2070 }
2071
2072 int
2073 count_win(struct workspace *ws, int count_transient)
2074 {
2075         struct ws_win           *win;
2076         int                     count = 0;
2077
2078         TAILQ_FOREACH(win, &ws->winlist, entry) {
2079                 if (count_transient == 0 && win->floating)
2080                         continue;
2081                 if (count_transient == 0 && win->transient)
2082                         continue;
2083                 if (win->iconic)
2084                         continue;
2085                 count++;
2086         }
2087         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2088
2089         return (count);
2090 }
2091
2092 void
2093 quit(struct swm_region *r, union arg *args)
2094 {
2095         DNPRINTF(SWM_D_MISC, "quit\n");
2096         running = 0;
2097 }
2098
2099 void
2100 unmap_window(struct ws_win *win)
2101 {
2102         if (win == NULL)
2103                 return;
2104
2105         /* don't unmap again */
2106         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2107                 return;
2108
2109         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2110
2111         xcb_unmap_window(conn, win->id);
2112         xcb_change_window_attributes(conn, win->id,
2113             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2114 }
2115
2116 void
2117 unmap_all(void)
2118 {
2119         struct ws_win           *win;
2120         int                     i, j, num_screens;
2121
2122         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2123         for (i = 0; i < num_screens; i++)
2124                 for (j = 0; j < workspace_limit; j++)
2125                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2126                                 unmap_window(win);
2127 }
2128
2129 void
2130 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2131 {
2132         xcb_key_press_event_t   event;
2133         xcb_keycode_t           *keycode;
2134
2135         if (win == NULL)
2136                 return;
2137
2138         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2139
2140         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2141             win->id, *keycode);
2142
2143         bzero(&event, sizeof(event));
2144         event.event = win->id;
2145         event.root = win->s->root;
2146         event.child = XCB_WINDOW_NONE;
2147         event.time = XCB_CURRENT_TIME;
2148         event.event_x = X(win);
2149         event.event_y = Y(win);
2150         event.root_x = 1;
2151         event.root_y = 1;
2152         event.same_screen = True;
2153         event.detail = *keycode;
2154         event.state = modifiers;
2155
2156         event.response_type = XCB_KEY_PRESS;
2157         xcb_send_event(conn, True, win->id,
2158             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2159
2160         event.response_type = XCB_KEY_RELEASE;
2161         xcb_send_event(conn, True, win->id,
2162             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2163 }
2164
2165 void
2166 restart(struct swm_region *r, union arg *args)
2167 {
2168         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2169
2170         /* disable alarm because the following code may not be interrupted */
2171         alarm(0);
2172         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2173                 err(1, "can't disable alarm");
2174
2175         bar_extra_stop();
2176         bar_extra = 1;
2177         unmap_all();
2178
2179         xcb_key_symbols_free(syms);
2180         xcb_flush(conn);
2181         xcb_disconnect(conn);
2182
2183         execvp(start_argv[0], start_argv);
2184         warn("execvp failed");
2185         quit(NULL, NULL);
2186 }
2187
2188 struct swm_region *
2189 root_to_region(xcb_window_t root)
2190 {
2191         struct swm_region               *r = NULL;
2192         int                             i, num_screens;
2193         xcb_query_pointer_reply_t       *qpr;
2194
2195         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2196
2197         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2198         for (i = 0; i < num_screens; i++)
2199                 if (screens[i].root == root)
2200                         break;
2201
2202         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2203             screens[i].root), NULL);
2204
2205         if (qpr) {
2206                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2207                     qpr->root_x, qpr->root_y);
2208                 /* choose a region based on pointer location */
2209                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2210                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2211                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2212                                 break;
2213                 free(qpr);
2214         }
2215
2216         if (r == NULL)
2217                 r = TAILQ_FIRST(&screens[i].rl);
2218
2219         return (r);
2220 }
2221
2222 struct ws_win *
2223 find_unmanaged_window(xcb_window_t id)
2224 {
2225         struct ws_win           *win;
2226         int                     i, j, num_screens;
2227
2228         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2229         for (i = 0; i < num_screens; i++)
2230                 for (j = 0; j < workspace_limit; j++)
2231                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2232                             entry)
2233                                 if (id == win->id)
2234                                         return (win);
2235         return (NULL);
2236 }
2237
2238 struct ws_win *
2239 find_window(xcb_window_t id)
2240 {
2241         struct ws_win           *win;
2242         int                     i, j, num_screens;
2243         xcb_query_tree_reply_t  *r;
2244
2245         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2246         for (i = 0; i < num_screens; i++)
2247                 for (j = 0; j < workspace_limit; j++)
2248                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2249                                 if (id == win->id)
2250                                         return (win);
2251
2252         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2253         if (!r)
2254                 return (NULL);
2255
2256         /* if we were looking for the parent return that window instead */
2257         if (r->parent == 0 || r->root == r->parent)
2258                 return (NULL);
2259
2260         /* look for parent */
2261         for (i = 0; i < num_screens; i++)
2262                 for (j = 0; j < workspace_limit; j++)
2263                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2264                                 if (r->parent == win->id) {
2265                                         free(r);
2266                                         return (win);
2267                                 }
2268
2269         free(r);
2270         return (NULL);
2271 }
2272
2273 void
2274 spawn(int ws_idx, union arg *args, int close_fd)
2275 {
2276         int                     fd;
2277         char                    *ret = NULL;
2278
2279         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2280
2281         if (display)
2282                 close(xcb_get_file_descriptor(conn));
2283
2284         setenv("LD_PRELOAD", SWM_LIB, 1);
2285
2286         if (asprintf(&ret, "%d", ws_idx) == -1) {
2287                 warn("spawn: asprintf SWM_WS");
2288                 _exit(1);
2289         }
2290         setenv("_SWM_WS", ret, 1);
2291         free(ret);
2292         ret = NULL;
2293
2294         if (asprintf(&ret, "%d", getpid()) == -1) {
2295                 warn("spawn: asprintf _SWM_PID");
2296                 _exit(1);
2297         }
2298         setenv("_SWM_PID", ret, 1);
2299         free(ret);
2300         ret = NULL;
2301
2302         if (setsid() == -1) {
2303                 warn("spawn: setsid");
2304                 _exit(1);
2305         }
2306
2307         if (close_fd) {
2308                 /*
2309                  * close stdin and stdout to prevent interaction between apps
2310                  * and the baraction script
2311                  * leave stderr open to record errors
2312                 */
2313                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2314                         warn("spawn: open");
2315                         _exit(1);
2316                 }
2317                 dup2(fd, STDIN_FILENO);
2318                 dup2(fd, STDOUT_FILENO);
2319                 if (fd > 2)
2320                         close(fd);
2321         }
2322
2323         execvp(args->argv[0], args->argv);
2324
2325         warn("spawn: execvp");
2326         _exit(1);
2327 }
2328
2329 void
2330 kill_refs(struct ws_win *win)
2331 {
2332         int                     i, x, num_screens;
2333         struct swm_region       *r;
2334         struct workspace        *ws;
2335
2336         if (win == NULL)
2337                 return;
2338
2339         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2340         for (i = 0; i < num_screens; i++)
2341                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2342                         for (x = 0; x < workspace_limit; x++) {
2343                                 ws = &r->s->ws[x];
2344                                 if (win == ws->focus)
2345                                         ws->focus = NULL;
2346                                 if (win == ws->focus_prev)
2347                                         ws->focus_prev = NULL;
2348                         }
2349 }
2350
2351 int
2352 validate_win(struct ws_win *testwin)
2353 {
2354         struct ws_win           *win;
2355         struct workspace        *ws;
2356         struct swm_region       *r;
2357         int                     i, x, num_screens;
2358
2359         if (testwin == NULL)
2360                 return (0);
2361
2362         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2363         for (i = 0; i < num_screens; i++)
2364                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2365                         for (x = 0; x < workspace_limit; x++) {
2366                                 ws = &r->s->ws[x];
2367                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2368                                         if (win == testwin)
2369                                                 return (0);
2370                         }
2371         return (1);
2372 }
2373
2374 int
2375 validate_ws(struct workspace *testws)
2376 {
2377         struct swm_region       *r;
2378         struct workspace        *ws;
2379         int                     i, x, num_screens;
2380
2381         /* validate all ws */
2382         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2383         for (i = 0; i < num_screens; i++)
2384                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2385                         for (x = 0; x < workspace_limit; x++) {
2386                                 ws = &r->s->ws[x];
2387                                 if (ws == testws)
2388                                         return (0);
2389                         }
2390         return (1);
2391 }
2392
2393 void
2394 unfocus_win(struct ws_win *win)
2395 {
2396         xcb_window_t            none = XCB_WINDOW_NONE;
2397
2398         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2399
2400         if (win == NULL)
2401                 return;
2402         if (win->ws == NULL)
2403                 return;
2404
2405         if (validate_ws(win->ws))
2406                 return; /* XXX this gets hit with thunderbird, needs fixing */
2407
2408         if (win->ws->r == NULL)
2409                 return;
2410
2411         if (validate_win(win)) {
2412                 kill_refs(win);
2413                 return;
2414         }
2415
2416         if (win->ws->focus == win) {
2417                 win->ws->focus = NULL;
2418                 win->ws->focus_prev = win;
2419         }
2420
2421         if (validate_win(win->ws->focus)) {
2422                 kill_refs(win->ws->focus);
2423                 win->ws->focus = NULL;
2424         }
2425         if (validate_win(win->ws->focus_prev)) {
2426                 kill_refs(win->ws->focus_prev);
2427                 win->ws->focus_prev = NULL;
2428         }
2429
2430         grabbuttons(win, 0);
2431         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2432             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2433         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2434             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2435 }
2436
2437 void
2438 unfocus_all(void)
2439 {
2440         struct ws_win           *win;
2441         int                     i, j, num_screens;
2442
2443         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2444
2445         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2446         for (i = 0; i < num_screens; i++)
2447                 for (j = 0; j < workspace_limit; j++)
2448                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2449                                 unfocus_win(win);
2450 }
2451
2452 void
2453 focus_win(struct ws_win *win)
2454 {
2455         struct ws_win           *cfw = NULL;
2456         xcb_get_input_focus_reply_t     *r;
2457         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2458
2459         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2460
2461         if (win == NULL)
2462                 return;
2463         if (win->ws == NULL)
2464                 return;
2465
2466         if (validate_ws(win->ws))
2467                 return; /* XXX this gets hit with thunderbird, needs fixing */
2468
2469         if (validate_win(win)) {
2470                 kill_refs(win);
2471                 return;
2472         }
2473
2474         if (validate_win(win)) {
2475                 kill_refs(win);
2476                 return;
2477         }
2478
2479         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2480         if (r) {
2481                 cur_focus = r->focus;
2482                 free(r);
2483         }
2484         if ((cfw = find_window(cur_focus)) != NULL)
2485                 unfocus_win(cfw);
2486         else {
2487                 /* use larger hammer since the window was killed somehow */
2488                 /* TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2489                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2490                                 xcb_change_window_attributes(conn, cfw->id,
2491                                     XCB_CW_BORDER_PIXEL,
2492                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);*/
2493         }
2494
2495         win->ws->focus = win;
2496
2497         if (win->ws->r != NULL) {
2498                 if (win->java == 0)
2499                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2500                             win->id, XCB_CURRENT_TIME);
2501                 grabbuttons(win, 1);
2502                 xcb_change_window_attributes(conn, win->id,
2503                         XCB_CW_BORDER_PIXEL,
2504                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2505                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2506                     win->ws->always_raise)
2507                         map_window_raised(win->id);
2508
2509                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2510                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2511                     &win->id);
2512         }
2513
2514         bar_update();
2515 }
2516
2517 void
2518 switchws(struct swm_region *r, union arg *args)
2519 {
2520         int                     wsid = args->id, unmap_old = 0;
2521         struct swm_region       *this_r, *other_r;
2522         struct ws_win           *win;
2523         struct workspace        *new_ws, *old_ws;
2524         union arg               a;
2525
2526         if (!(r && r->s))
2527                 return;
2528
2529         if (wsid >= workspace_limit)
2530                 return;
2531
2532         this_r = r;
2533         old_ws = this_r->ws;
2534         new_ws = &this_r->s->ws[wsid];
2535
2536         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2537             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2538
2539         if (new_ws == NULL || old_ws == NULL)
2540                 return;
2541         if (new_ws == old_ws)
2542                 return;
2543
2544         other_r = new_ws->r;
2545         if (other_r == NULL) {
2546                 /* the other workspace is hidden, hide this one */
2547                 old_ws->r = NULL;
2548                 unmap_old = 1;
2549         } else {
2550                 /* the other ws is visible in another region, exchange them */
2551                 other_r->ws_prior = new_ws;
2552                 other_r->ws = old_ws;
2553                 old_ws->r = other_r;
2554         }
2555         this_r->ws_prior = old_ws;
2556         this_r->ws = new_ws;
2557         new_ws->r = this_r;
2558
2559         /* this is needed so that we can click on a window after a restart */
2560         unfocus_all();
2561
2562         stack();
2563         a.id = SWM_ARG_ID_FOCUSCUR;
2564         focus(new_ws->r, &a);
2565
2566         /* unmap old windows */
2567         if (unmap_old)
2568                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2569                         unmap_window(win);
2570
2571         xcb_flush(conn);
2572 }
2573
2574 void
2575 cyclews(struct swm_region *r, union arg *args)
2576 {
2577         union                   arg a;
2578         struct swm_screen       *s = r->s;
2579         int                     cycle_all = 0;
2580
2581         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2582             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2583
2584         a.id = r->ws->idx;
2585         do {
2586                 switch (args->id) {
2587                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2588                         cycle_all = 1;
2589                         /* FALLTHROUGH */
2590                 case SWM_ARG_ID_CYCLEWS_UP:
2591                         if (a.id < workspace_limit - 1)
2592                                 a.id++;
2593                         else
2594                                 a.id = 0;
2595                         break;
2596                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2597                         cycle_all = 1;
2598                         /* FALLTHROUGH */
2599                 case SWM_ARG_ID_CYCLEWS_DOWN:
2600                         if (a.id > 0)
2601                                 a.id--;
2602                         else
2603                                 a.id = workspace_limit - 1;
2604                         break;
2605                 default:
2606                         return;
2607                 };
2608
2609                 if (!cycle_all &&
2610                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2611                         continue;
2612                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2613                         continue;
2614
2615                 switchws(r, &a);
2616         } while (a.id != r->ws->idx);
2617 }
2618
2619 void
2620 priorws(struct swm_region *r, union arg *args)
2621 {
2622         union arg               a;
2623
2624         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2625             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2626
2627         if (r->ws_prior == NULL)
2628                 return;
2629
2630         a.id = r->ws_prior->idx;
2631         switchws(r, &a);
2632 }
2633
2634 void
2635 cyclescr(struct swm_region *r, union arg *args)
2636 {
2637         struct swm_region       *rr = NULL;
2638         union arg               a;
2639         int                     i, x, y, num_screens;
2640
2641         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2642         /* do nothing if we don't have more than one screen */
2643         if (!(num_screens > 1 || outputs > 1))
2644                 return;
2645
2646         i = r->s->idx;
2647         switch (args->id) {
2648         case SWM_ARG_ID_CYCLESC_UP:
2649                 rr = TAILQ_NEXT(r, entry);
2650                 if (rr == NULL)
2651                         rr = TAILQ_FIRST(&screens[i].rl);
2652                 break;
2653         case SWM_ARG_ID_CYCLESC_DOWN:
2654                 rr = TAILQ_PREV(r, swm_region_list, entry);
2655                 if (rr == NULL)
2656                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2657                 break;
2658         default:
2659                 return;
2660         };
2661         if (rr == NULL)
2662                 return;
2663
2664         /* move mouse to region */
2665         x = X(rr) + 1;
2666         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2667         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2668             x, y);
2669
2670         a.id = SWM_ARG_ID_FOCUSCUR;
2671         focus(rr, &a);
2672
2673         if (rr->ws->focus) {
2674                 /* move to focus window */
2675                 x = X(rr->ws->focus) + 1;
2676                 y = Y(rr->ws->focus) + 1;
2677                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2678                     0, x, y);
2679         }
2680 }
2681
2682 void
2683 sort_windows(struct ws_win_list *wl)
2684 {
2685         struct ws_win           *win, *parent, *nxt;
2686
2687         if (wl == NULL)
2688                 return;
2689
2690         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2691                 nxt = TAILQ_NEXT(win, entry);
2692                 if (win->transient) {
2693                         parent = find_window(win->transient);
2694                         if (parent == NULL) {
2695                                 warnx("not possible bug");
2696                                 continue;
2697                         }
2698                         TAILQ_REMOVE(wl, win, entry);
2699                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2700                 }
2701         }
2702
2703 }
2704
2705 void
2706 swapwin(struct swm_region *r, union arg *args)
2707 {
2708         struct ws_win           *target, *source;
2709         struct ws_win           *cur_focus;
2710         struct ws_win_list      *wl;
2711
2712
2713         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2714             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2715
2716         cur_focus = r->ws->focus;
2717         if (cur_focus == NULL)
2718                 return;
2719
2720         source = cur_focus;
2721         wl = &source->ws->winlist;
2722
2723         switch (args->id) {
2724         case SWM_ARG_ID_SWAPPREV:
2725                 if (source->transient)
2726                         source = find_window(source->transient);
2727                 target = TAILQ_PREV(source, ws_win_list, entry);
2728                 if (target && target->transient)
2729                         target = find_window(target->transient);
2730                 TAILQ_REMOVE(wl, source, entry);
2731                 if (target == NULL)
2732                         TAILQ_INSERT_TAIL(wl, source, entry);
2733                 else
2734                         TAILQ_INSERT_BEFORE(target, source, entry);
2735                 break;
2736         case SWM_ARG_ID_SWAPNEXT:
2737                 target = TAILQ_NEXT(source, entry);
2738                 /* move the parent and let the sort handle the move */
2739                 if (source->transient)
2740                         source = find_window(source->transient);
2741                 TAILQ_REMOVE(wl, source, entry);
2742                 if (target == NULL)
2743                         TAILQ_INSERT_HEAD(wl, source, entry);
2744                 else
2745                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2746                 break;
2747         case SWM_ARG_ID_SWAPMAIN:
2748                 target = TAILQ_FIRST(wl);
2749                 if (target == source) {
2750                         if (source->ws->focus_prev != NULL &&
2751                             source->ws->focus_prev != target)
2752                                 source = source->ws->focus_prev;
2753                         else
2754                                 return;
2755                 }
2756                 if (target == NULL || source == NULL)
2757                         return;
2758                 source->ws->focus_prev = target;
2759                 TAILQ_REMOVE(wl, target, entry);
2760                 TAILQ_INSERT_BEFORE(source, target, entry);
2761                 TAILQ_REMOVE(wl, source, entry);
2762                 TAILQ_INSERT_HEAD(wl, source, entry);
2763                 break;
2764         case SWM_ARG_ID_MOVELAST:
2765                 TAILQ_REMOVE(wl, source, entry);
2766                 TAILQ_INSERT_TAIL(wl, source, entry);
2767                 break;
2768         default:
2769                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2770                 return;
2771         }
2772
2773         sort_windows(wl);
2774
2775         stack();
2776
2777         xcb_flush(conn);
2778 }
2779
2780 void
2781 focus_prev(struct ws_win *win)
2782 {
2783         struct ws_win           *winfocus = NULL;
2784         struct ws_win           *cur_focus = NULL;
2785         struct ws_win_list      *wl = NULL;
2786         struct workspace        *ws = NULL;
2787
2788         if (!(win && win->ws))
2789                 return;
2790
2791         ws = win->ws;
2792         wl = &ws->winlist;
2793         cur_focus = ws->focus;
2794
2795         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2796             WINID(win), WINID(cur_focus));
2797
2798         /* pickle, just focus on whatever */
2799         if (cur_focus == NULL) {
2800                 /* use prev_focus if valid */
2801                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2802                     find_window(WINID(ws->focus_prev)))
2803                         winfocus = ws->focus_prev;
2804                 goto done;
2805         }
2806
2807         /* if transient focus on parent */
2808         if (cur_focus->transient) {
2809                 winfocus = find_window(cur_focus->transient);
2810                 goto done;
2811         }
2812
2813         /* if in max_stack try harder */
2814         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2815             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2816                 if (cur_focus != ws->focus_prev)
2817                         winfocus = ws->focus_prev;
2818                 else
2819                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2820                 if (winfocus)
2821                         goto done;
2822         }
2823
2824         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2825
2826         if (winfocus == NULL || winfocus == win) {
2827                 switch (focus_close) {
2828                 case SWM_STACK_BOTTOM:
2829                         winfocus = TAILQ_FIRST(wl);
2830                         break;
2831                 case SWM_STACK_TOP:
2832                         winfocus = TAILQ_LAST(wl, ws_win_list);
2833                         break;
2834                 case SWM_STACK_ABOVE:
2835                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2836                                 if (focus_close_wrap)
2837                                         winfocus = TAILQ_FIRST(wl);
2838                                 else
2839                                         winfocus = TAILQ_PREV(cur_focus,
2840                                             ws_win_list, entry);
2841                         }
2842                         break;
2843                 case SWM_STACK_BELOW:
2844                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2845                             entry)) == NULL) {
2846                                 if (focus_close_wrap)
2847                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2848                                 else
2849                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2850                         }
2851                         break;
2852                 }
2853         }
2854 done:
2855         if (winfocus == NULL) {
2856                 if (focus_default == SWM_STACK_TOP)
2857                         winfocus = TAILQ_LAST(wl, ws_win_list);
2858                 else
2859                         winfocus = TAILQ_FIRST(wl);
2860         }
2861
2862         kill_refs(win);
2863         focus_magic(winfocus);
2864 }
2865
2866 void
2867 focus(struct swm_region *r, union arg *args)
2868 {
2869         struct ws_win           *winfocus = NULL, *head;
2870         struct ws_win           *cur_focus = NULL;
2871         struct ws_win_list      *wl = NULL;
2872         struct workspace        *ws = NULL;
2873         int                     all_iconics;
2874
2875         if (!(r && r->ws))
2876                 return;
2877
2878         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2879
2880         /* treat FOCUS_CUR special */
2881         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2882                 if (r->ws->focus && r->ws->focus->iconic == 0)
2883                         winfocus = r->ws->focus;
2884                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2885                         winfocus = r->ws->focus_prev;
2886                 else
2887                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2888                                 if (winfocus->iconic == 0)
2889                                         break;
2890
2891                 focus_magic(winfocus);
2892                 return;
2893         }
2894
2895         if ((cur_focus = r->ws->focus) == NULL)
2896                 return;
2897         ws = r->ws;
2898         wl = &ws->winlist;
2899         if (TAILQ_EMPTY(wl))
2900                 return;
2901         /* make sure there is at least one uniconified window */
2902         all_iconics = 1;
2903         TAILQ_FOREACH(winfocus, wl, entry)
2904                 if (winfocus->iconic == 0) {
2905                         all_iconics = 0;
2906                         break;
2907                 }
2908         if (all_iconics)
2909                 return;
2910
2911         switch (args->id) {
2912         case SWM_ARG_ID_FOCUSPREV:
2913                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2914                 if (head == NULL)
2915                         head = TAILQ_LAST(wl, ws_win_list);
2916                 winfocus = head;
2917                 if (WINID(winfocus) == cur_focus->transient) {
2918                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2919                         if (head == NULL)
2920                                 head = TAILQ_LAST(wl, ws_win_list);
2921                         winfocus = head;
2922                 }
2923
2924                 /* skip iconics */
2925                 if (winfocus && winfocus->iconic) {
2926                         while (winfocus != cur_focus) {
2927                                 if (winfocus == NULL)
2928                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2929                                 if (winfocus->iconic == 0)
2930                                         break;
2931                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2932                                     entry);
2933                         }
2934                 }
2935                 break;
2936
2937         case SWM_ARG_ID_FOCUSNEXT:
2938                 head = TAILQ_NEXT(cur_focus, entry);
2939                 if (head == NULL)
2940                         head = TAILQ_FIRST(wl);
2941                 winfocus = head;
2942
2943                 /* skip iconics */
2944                 if (winfocus && winfocus->iconic) {
2945                         while (winfocus != cur_focus) {
2946                                 if (winfocus == NULL)
2947                                         winfocus = TAILQ_FIRST(wl);
2948                                 if (winfocus->iconic == 0)
2949                                         break;
2950                                 winfocus = TAILQ_NEXT(winfocus, entry);
2951                         }
2952                 }
2953                 break;
2954
2955         case SWM_ARG_ID_FOCUSMAIN:
2956                 winfocus = TAILQ_FIRST(wl);
2957                 if (winfocus == cur_focus)
2958                         winfocus = cur_focus->ws->focus_prev;
2959                 break;
2960
2961         default:
2962                 return;
2963         }
2964
2965         focus_magic(winfocus);
2966
2967         xcb_flush(conn);
2968 }
2969
2970 void
2971 cycle_layout(struct swm_region *r, union arg *args)
2972 {
2973         struct workspace        *ws = r->ws;
2974         union arg               a;
2975
2976         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2977
2978         ws->cur_layout++;
2979         if (ws->cur_layout->l_stack == NULL)
2980                 ws->cur_layout = &layouts[0];
2981
2982         stack();
2983
2984         a.id = SWM_ARG_ID_FOCUSCUR;
2985
2986         focus(r, &a);
2987 }
2988
2989 void
2990 stack_config(struct swm_region *r, union arg *args)
2991 {
2992         struct workspace        *ws = r->ws;
2993
2994         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
2995             args->id, ws->idx);
2996
2997         if (ws->cur_layout->l_config != NULL)
2998                 ws->cur_layout->l_config(ws, args->id);
2999
3000         if (args->id != SWM_ARG_ID_STACKINIT)
3001                 stack();
3002         bar_update();
3003 }
3004
3005 void
3006 stack(void) {
3007         struct swm_geometry     g;
3008         struct swm_region       *r;
3009         int                     i, num_screens;
3010 #ifdef SWM_DEBUG
3011         int j;
3012 #endif
3013
3014         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3015
3016         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3017         for (i = 0; i < num_screens; i++) {
3018 #ifdef SWM_DEBUG
3019                 j = 0;
3020 #endif
3021                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3022                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3023                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3024
3025                         /* start with screen geometry, adjust for bar */
3026                         g = r->g;
3027                         g.w -= 2 * border_width;
3028                         g.h -= 2 * border_width;
3029                         if (bar_enabled) {
3030                                 if (!bar_at_bottom)
3031                                         g.y += bar_height;
3032                                 g.h -= bar_height;
3033                         }
3034                         r->ws->cur_layout->l_stack(r->ws, &g);
3035                         r->ws->cur_layout->l_string(r->ws);
3036                         /* save r so we can track region changes */
3037                         r->ws->old_r = r;
3038                 }
3039         }
3040         if (font_adjusted)
3041                 font_adjusted--;
3042
3043         DNPRINTF(SWM_D_STACK, "stack: end\n");
3044 }
3045
3046 void
3047 store_float_geom(struct ws_win *win, struct swm_region *r)
3048 {
3049         /* retain window geom and region geom */
3050         win->g_float = win->g;
3051         win->g_float.x -= X(r);
3052         win->g_float.y -= Y(r);
3053         win->g_floatvalid = 1;
3054         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3055             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3056             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3057             win->g_float.w, win->g_float.h);
3058 }
3059
3060 void
3061 stack_floater(struct ws_win *win, struct swm_region *r)
3062 {
3063         if (win == NULL)
3064                 return;
3065
3066         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3067
3068         /*
3069          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3070          * geom on ws switches or return from max mode
3071          */
3072         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3073             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3074                 /* refloat at last floating relative position */
3075                 win->g = win->g_float;
3076                 X(win) += X(r);
3077                 Y(win) += Y(r);
3078         }
3079
3080         win->floatmaxed = 0;
3081
3082         /*
3083          * if set to fullscreen mode, configure window to maximum size.
3084          */
3085         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3086                 if (!win->g_floatvalid)
3087                         store_float_geom(win, win->ws->r);
3088
3089                 win->g = win->ws->r->g;
3090         }
3091
3092         /*
3093          * remove border on fullscreen floater when in fullscreen mode or when
3094          * the quirk is present.
3095          */
3096         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3097             ((win->quirks & SWM_Q_FULLSCREEN) &&
3098              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3099                 if (win->bordered) {
3100                         win->bordered = 0;
3101                         X(win) += border_width;
3102                         Y(win) += border_width;
3103                 }
3104         } else if (!win->bordered) {
3105                 win->bordered = 1;
3106                 X(win) -= border_width;
3107                 Y(win) -= border_width;
3108         }
3109
3110         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3111                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3112                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3113         }
3114
3115         if (!win->manual) {
3116                 /*
3117                  * floaters and transients are auto-centred unless moved
3118                  * or resized
3119                  */
3120                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3121                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3122         }
3123
3124         /* keep window within region bounds */
3125         constrain_window(win, r, 0);
3126
3127         update_window(win);
3128 }
3129
3130 /*
3131  * Send keystrokes to terminal to decrease/increase the font size as the
3132  * window size changes.
3133  */
3134 void
3135 adjust_font(struct ws_win *win)
3136 {
3137         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3138             win->floating || win->transient)
3139                 return;
3140
3141         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3142             WIDTH(win) / win->sh.width_inc < term_width &&
3143             win->font_steps < SWM_MAX_FONT_STEPS) {
3144                 win->font_size_boundary[win->font_steps] =
3145                     (win->sh.width_inc * term_width) + win->sh.base_width;
3146                 win->font_steps++;
3147                 font_adjusted++;
3148                 win->last_inc = win->sh.width_inc;
3149                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3150         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3151             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3152                 win->font_steps--;
3153                 font_adjusted++;
3154                 win->last_inc = win->sh.width_inc;
3155                 fake_keypress(win, XK_KP_Add, ShiftMask);
3156         }
3157 }
3158
3159 #define SWAPXY(g)       do {                            \
3160         int tmp;                                        \
3161         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3162         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3163 } while (0)
3164 void
3165 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3166 {
3167         struct swm_geometry     win_g, r_g = *g;
3168         struct ws_win           *win, *fs_win = NULL;
3169         int                     i, j, s, stacks;
3170         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3171         int                     hrh, extra = 0, h_slice, last_h = 0;
3172         int                     split, colno, winno, mwin, msize, mscale;
3173         int                     remain, missing, v_slice, reconfigure;
3174         int                     bordered = 1;
3175         xcb_get_window_attributes_reply_t *war;
3176
3177         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3178             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3179
3180         winno = count_win(ws, 0);
3181         if (winno == 0 && count_win(ws, 1) == 0)
3182                 return;
3183
3184         TAILQ_FOREACH(win, &ws->winlist, entry)
3185                 if (win->transient == 0 && win->floating == 0
3186                     && win->iconic == 0)
3187                         break;
3188
3189         if (win == NULL)
3190                 goto notiles;
3191
3192         if (rot) {
3193                 w_inc = win->sh.width_inc;
3194                 w_base = win->sh.base_width;
3195                 mwin = ws->l_state.horizontal_mwin;
3196                 mscale = ws->l_state.horizontal_msize;
3197                 stacks = ws->l_state.horizontal_stacks;
3198                 SWAPXY(&r_g);
3199         } else {
3200                 w_inc = win->sh.height_inc;
3201                 w_base = win->sh.base_height;
3202                 mwin = ws->l_state.vertical_mwin;
3203                 mscale = ws->l_state.vertical_msize;
3204                 stacks = ws->l_state.vertical_stacks;
3205         }
3206         win_g = r_g;
3207
3208         if (stacks > winno - mwin)
3209                 stacks = winno - mwin;
3210         if (stacks < 1)
3211                 stacks = 1;
3212
3213         h_slice = r_g.h / SWM_H_SLICE;
3214         if (mwin && winno > mwin) {
3215                 v_slice = r_g.w / SWM_V_SLICE;
3216
3217                 split = mwin;
3218                 colno = split;
3219                 win_g.w = v_slice * mscale;
3220
3221                 if (w_inc > 1 && w_inc < v_slice) {
3222                         /* adjust for window's requested size increment */
3223                         remain = (win_g.w - w_base) % w_inc;
3224                         win_g.w -= remain;
3225                 }
3226
3227                 msize = win_g.w;
3228                 if (flip)
3229                         win_g.x += r_g.w - msize;
3230         } else {
3231                 msize = -2;
3232                 colno = split = winno / stacks;
3233                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3234                     2 * border_width) / stacks);
3235         }
3236         hrh = r_g.h / colno;
3237         extra = r_g.h - (colno * hrh);
3238         win_g.h = hrh - 2 * border_width;
3239
3240         /*  stack all the tiled windows */
3241         i = j = 0, s = stacks;
3242         TAILQ_FOREACH(win, &ws->winlist, entry) {
3243                 if (win->transient != 0 || win->floating != 0)
3244                         continue;
3245                 if (win->iconic != 0)
3246                         continue;
3247
3248                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3249                         fs_win = win;
3250                         continue;
3251                 }
3252
3253                 if (split && i == split) {
3254                         colno = (winno - mwin) / stacks;
3255                         if (s <= (winno - mwin) % stacks)
3256                                 colno++;
3257                         split = split + colno;
3258                         hrh = (r_g.h / colno);
3259                         extra = r_g.h - (colno * hrh);
3260                         if (flip)
3261                                 win_g.x = r_g.x;
3262                         else
3263                                 win_g.x += win_g.w + 2 * border_width;
3264                         win_g.w = (r_g.w - msize -
3265                             (stacks * 2 * border_width)) / stacks;
3266                         if (s == 1)
3267                                 win_g.w += (r_g.w - msize -
3268                                     (stacks * 2 * border_width)) % stacks;
3269                         s--;
3270                         j = 0;
3271                 }
3272                 win_g.h = hrh - 2 * border_width;
3273                 if (rot) {
3274                         h_inc = win->sh.width_inc;
3275                         h_base = win->sh.base_width;
3276                 } else {
3277                         h_inc = win->sh.height_inc;
3278                         h_base = win->sh.base_height;
3279                 }
3280                 if (j == colno - 1) {
3281                         win_g.h = hrh + extra;
3282                 } else if (h_inc > 1 && h_inc < h_slice) {
3283                         /* adjust for window's requested size increment */
3284                         remain = (win_g.h - h_base) % h_inc;
3285                         missing = h_inc - remain;
3286
3287                         if (missing <= extra || j == 0) {
3288                                 extra -= missing;
3289                                 win_g.h += missing;
3290                         } else {
3291                                 win_g.h -= remain;
3292                                 extra += remain;
3293                         }
3294                 }
3295
3296                 if (j == 0)
3297                         win_g.y = r_g.y;
3298                 else
3299                         win_g.y += last_h + 2 * border_width;
3300
3301                 if (disable_border && bar_enabled == 0 && winno == 1){
3302                         bordered = 0;
3303                         win_g.w += 2 * border_width;
3304                         win_g.h += 2 * border_width;
3305                 } else {
3306                         bordered = 1;
3307                 }
3308                 if (rot) {
3309                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3310                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3311                                 reconfigure = 1;
3312                                 X(win) = win_g.y;
3313                                 Y(win) = win_g.x;
3314                                 WIDTH(win) = win_g.h;
3315                                 HEIGHT(win) = win_g.w;
3316                         }
3317                 } else {
3318                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3319                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3320                                 reconfigure = 1;
3321                                 X(win) = win_g.x;
3322                                 Y(win) = win_g.y;
3323                                 WIDTH(win) = win_g.w;
3324                                 HEIGHT(win) = win_g.h;
3325                         }
3326                 }
3327
3328                 if (bordered != win->bordered) {
3329                         reconfigure = 1;
3330                         win->bordered = bordered;
3331                 }
3332
3333                 if (reconfigure) {
3334                         adjust_font(win);
3335                         update_window(win);
3336                 }
3337
3338                 war = xcb_get_window_attributes_reply(conn,
3339                         xcb_get_window_attributes(conn, win->id),
3340                         NULL);
3341                 if (war) {
3342                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3343                                 map_window_raised(win->id);
3344                         free(war);
3345                 }
3346
3347                 last_h = win_g.h;
3348                 i++;
3349                 j++;
3350         }
3351
3352 notiles:
3353         /* now, stack all the floaters and transients */
3354         TAILQ_FOREACH(win, &ws->winlist, entry) {
3355                 if (win->transient == 0 && win->floating == 0)
3356                         continue;
3357                 if (win->iconic == 1)
3358                         continue;
3359                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3360                         fs_win = win;
3361                         continue;
3362                 }
3363
3364                 stack_floater(win, ws->r);
3365                 map_window_raised(win->id);
3366         }
3367
3368         if (fs_win) {
3369                 stack_floater(fs_win, ws->r);
3370                 map_window_raised(fs_win->id);
3371         }
3372 }
3373
3374 void
3375 vertical_config(struct workspace *ws, int id)
3376 {
3377         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3378             id, ws->idx);
3379
3380         switch (id) {
3381         case SWM_ARG_ID_STACKRESET:
3382         case SWM_ARG_ID_STACKINIT:
3383                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3384                 ws->l_state.vertical_mwin = 1;
3385                 ws->l_state.vertical_stacks = 1;
3386                 break;
3387         case SWM_ARG_ID_MASTERSHRINK:
3388                 if (ws->l_state.vertical_msize > 1)
3389                         ws->l_state.vertical_msize--;
3390                 break;
3391         case SWM_ARG_ID_MASTERGROW:
3392                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3393                         ws->l_state.vertical_msize++;
3394                 break;
3395         case SWM_ARG_ID_MASTERADD:
3396                 ws->l_state.vertical_mwin++;
3397                 break;
3398         case SWM_ARG_ID_MASTERDEL:
3399                 if (ws->l_state.vertical_mwin > 0)
3400                         ws->l_state.vertical_mwin--;
3401                 break;
3402         case SWM_ARG_ID_STACKINC:
3403                 ws->l_state.vertical_stacks++;
3404                 break;
3405         case SWM_ARG_ID_STACKDEC:
3406                 if (ws->l_state.vertical_stacks > 1)
3407                         ws->l_state.vertical_stacks--;
3408                 break;
3409         case SWM_ARG_ID_FLIPLAYOUT:
3410                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3411                 break;
3412         default:
3413                 return;
3414         }
3415 }
3416
3417 void
3418 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3419 {
3420         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3421
3422         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3423 }
3424
3425 void
3426 horizontal_config(struct workspace *ws, int id)
3427 {
3428         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3429
3430         switch (id) {
3431         case SWM_ARG_ID_STACKRESET:
3432         case SWM_ARG_ID_STACKINIT:
3433                 ws->l_state.horizontal_mwin = 1;
3434                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3435                 ws->l_state.horizontal_stacks = 1;
3436                 break;
3437         case SWM_ARG_ID_MASTERSHRINK:
3438                 if (ws->l_state.horizontal_msize > 1)
3439                         ws->l_state.horizontal_msize--;
3440                 break;
3441         case SWM_ARG_ID_MASTERGROW:
3442                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3443                         ws->l_state.horizontal_msize++;
3444                 break;
3445         case SWM_ARG_ID_MASTERADD:
3446                 ws->l_state.horizontal_mwin++;
3447                 break;
3448         case SWM_ARG_ID_MASTERDEL:
3449                 if (ws->l_state.horizontal_mwin > 0)
3450                         ws->l_state.horizontal_mwin--;
3451                 break;
3452         case SWM_ARG_ID_STACKINC:
3453                 ws->l_state.horizontal_stacks++;
3454                 break;
3455         case SWM_ARG_ID_STACKDEC:
3456                 if (ws->l_state.horizontal_stacks > 1)
3457                         ws->l_state.horizontal_stacks--;
3458                 break;
3459         case SWM_ARG_ID_FLIPLAYOUT:
3460                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3461                 break;
3462         default:
3463                 return;
3464         }
3465 }
3466
3467 void
3468 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3469 {
3470         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3471
3472         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3473 }
3474
3475 /* fullscreen view */
3476 void
3477 max_stack(struct workspace *ws, struct swm_geometry *g)
3478 {
3479         struct swm_geometry     gg = *g;
3480         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3481         int                     winno, num_screens;
3482
3483         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3484
3485         if (ws == NULL)
3486                 return;
3487
3488         winno = count_win(ws, 0);
3489         if (winno == 0 && count_win(ws, 1) == 0)
3490                 return;
3491
3492         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3493         TAILQ_FOREACH(win, &ws->winlist, entry) {
3494                 if (win->transient) {
3495                         wintrans = win;
3496                         parent = find_window(win->transient);
3497                         continue;
3498                 }
3499
3500                 if (win->floating && win->floatmaxed == 0 ) {
3501                         /*
3502                          * retain geometry for retrieval on exit from
3503                          * max_stack mode
3504                          */
3505                         store_float_geom(win, ws->r);
3506                         win->floatmaxed = 1;
3507                 }
3508
3509                 /* only reconfigure if necessary */
3510                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3511                     HEIGHT(win) != gg.h) {
3512                         win->g = gg;
3513                         if (bar_enabled){
3514                                 win->bordered = 1;
3515                         } else {
3516                                 win->bordered = 0;
3517                                 WIDTH(win) += 2 * border_width;
3518                                 HEIGHT(win) += 2 * border_width;
3519                         }
3520
3521                         update_window(win);
3522                 }
3523                 /* unmap only if we don't have multi screen */
3524                 if (win != ws->focus)
3525                         if (!(num_screens > 1 || outputs > 1))
3526                                 unmap_window(win);
3527         }
3528
3529         /* put the last transient on top */
3530         if (wintrans) {
3531                 if (parent)
3532                         map_window_raised(parent->id);
3533                 stack_floater(wintrans, ws->r);
3534                 focus_magic(wintrans);
3535         }
3536 }
3537
3538 void
3539 send_to_ws(struct swm_region *r, union arg *args)
3540 {
3541         int                     wsid = args->id;
3542         struct ws_win           *win = NULL, *parent;
3543         struct workspace        *ws, *nws;
3544         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3545         char                    ws_idx_str[SWM_PROPLEN];
3546         union arg               a;
3547
3548         if (wsid >= workspace_limit)
3549                 return;
3550
3551         if (r && r->ws && r->ws->focus)
3552                 win = r->ws->focus;
3553         else
3554                 return;
3555         if (win == NULL)
3556                 return;
3557         if (win->ws->idx == wsid)
3558                 return;
3559
3560         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3561
3562         ws = win->ws;
3563         nws = &win->s->ws[wsid];
3564
3565         a.id = SWM_ARG_ID_FOCUSPREV;
3566         focus(r, &a);
3567         if (win->transient) {
3568                 parent = find_window(win->transient);
3569                 if (parent) {
3570                         unmap_window(parent);
3571                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3572                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3573                         parent->ws = nws;
3574                 }
3575         }
3576         unmap_window(win);
3577         TAILQ_REMOVE(&ws->winlist, win, entry);
3578         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3579         if (TAILQ_EMPTY(&ws->winlist))
3580                 r->ws->focus = NULL;
3581         win->ws = nws;
3582
3583         /* Try to update the window's workspace property */
3584         ws_idx_atom = get_atom_from_string("_SWM_WS");
3585         if (ws_idx_atom &&
3586             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3587                 SWM_PROPLEN) {
3588                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3589                     ws_idx_str);
3590                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3591                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3592                     ws_idx_str);
3593         }
3594
3595         stack();
3596         bar_update();
3597
3598         xcb_flush(conn);
3599 }
3600
3601 void
3602 pressbutton(struct swm_region *r, union arg *args)
3603 {
3604         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3605             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3606         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3607             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3608 }
3609
3610 void
3611 raise_toggle(struct swm_region *r, union arg *args)
3612 {
3613         if (r == NULL || r->ws == NULL)
3614                 return;
3615
3616         r->ws->always_raise = !r->ws->always_raise;
3617
3618         /* bring floaters back to top */
3619         if (r->ws->always_raise == 0)
3620                 stack();
3621
3622         xcb_flush(conn);
3623 }
3624
3625 void
3626 iconify(struct swm_region *r, union arg *args)
3627 {
3628         union arg a;
3629
3630         if (r->ws->focus == NULL)
3631                 return;
3632         unmap_window(r->ws->focus);
3633         update_iconic(r->ws->focus, 1);
3634         stack();
3635
3636         r->ws->focus = NULL;
3637         a.id = SWM_ARG_ID_FOCUSCUR;
3638         focus(r, &a);
3639
3640         xcb_flush(conn);
3641 }
3642
3643 char *
3644 get_win_name(xcb_window_t win)
3645 {
3646         char                            *name = NULL;
3647         xcb_get_property_cookie_t       c;
3648         xcb_icccm_get_text_property_reply_t     r;
3649
3650         c = xcb_icccm_get_wm_name(conn, win);
3651         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3652                 if (r.name_len > 0) {
3653                         name = malloc(r.name_len + 1);
3654                         if (!name) {
3655                                 xcb_icccm_get_text_property_reply_wipe(&r);
3656                                 return (NULL);
3657                         }
3658                         memcpy(name, r.name, r.name_len);
3659                         name[r.name_len] = '\0';
3660                 }
3661                 xcb_icccm_get_text_property_reply_wipe(&r);
3662         }
3663
3664         return (name);
3665 }
3666
3667 void
3668 uniconify(struct swm_region *r, union arg *args)
3669 {
3670         struct ws_win           *win;
3671         FILE                    *lfile;
3672         char                    *name;
3673         int                     count = 0;
3674
3675         DNPRINTF(SWM_D_MISC, "uniconify\n");
3676
3677         if (r == NULL || r->ws == NULL)
3678                 return;
3679
3680         /* make sure we have anything to uniconify */
3681         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3682                 if (win->ws == NULL)
3683                         continue; /* should never happen */
3684                 if (win->iconic == 0)
3685                         continue;
3686                 count++;
3687         }
3688         if (count == 0)
3689                 return;
3690
3691         search_r = r;
3692         search_resp_action = SWM_SEARCH_UNICONIFY;
3693
3694         spawn_select(r, args, "search", &searchpid);
3695
3696         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3697                 return;
3698
3699         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3700                 if (win->ws == NULL)
3701                         continue; /* should never happen */
3702                 if (win->iconic == 0)
3703                         continue;
3704
3705                 name = get_win_name(win->id);
3706                 if (name == NULL)
3707                         continue;
3708                 fprintf(lfile, "%s.%u\n", name, win->id);
3709                 free(name);
3710         }
3711
3712         fclose(lfile);
3713
3714         xcb_flush(conn);
3715 }
3716
3717 void
3718 name_workspace(struct swm_region *r, union arg *args)
3719 {
3720         FILE                    *lfile;
3721
3722         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3723
3724         if (r == NULL)
3725                 return;
3726
3727         search_r = r;
3728         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3729
3730         spawn_select(r, args, "name_workspace", &searchpid);
3731
3732         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3733                 return;
3734
3735         fprintf(lfile, "%s", "");
3736         fclose(lfile);
3737 }
3738
3739 void
3740 search_workspace(struct swm_region *r, union arg *args)
3741 {
3742         int                     i;
3743         struct workspace        *ws;
3744         FILE                    *lfile;
3745
3746         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3747
3748         if (r == NULL)
3749                 return;
3750
3751         search_r = r;
3752         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3753
3754         spawn_select(r, args, "search", &searchpid);
3755
3756         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3757                 return;
3758
3759         for (i = 0; i < workspace_limit; i++) {
3760                 ws = &r->s->ws[i];
3761                 if (ws == NULL)
3762                         continue;
3763                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3764                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3765         }
3766
3767         fclose(lfile);
3768 }
3769
3770 void
3771 search_win_cleanup(void)
3772 {
3773         struct search_window    *sw = NULL;
3774
3775         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3776                 xcb_destroy_window(conn, sw->indicator);
3777                 xcb_free_gc(conn, sw->gc);
3778                 TAILQ_REMOVE(&search_wl, sw, entry);
3779                 free(sw);
3780         }
3781 }
3782
3783 void
3784 search_win(struct swm_region *r, union arg *args)
3785 {
3786         struct ws_win           *win = NULL;
3787         struct search_window    *sw = NULL;
3788         xcb_window_t            w;
3789         uint32_t                gcv[3], wa[2];
3790         int                     i;
3791         char                    s[8];
3792         FILE                    *lfile;
3793         size_t                  len;
3794         XRectangle              ibox, lbox;
3795         DNPRINTF(SWM_D_MISC, "search_win\n");
3796
3797         search_r = r;
3798         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3799
3800         spawn_select(r, args, "search", &searchpid);
3801
3802         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3803                 return;
3804
3805         TAILQ_INIT(&search_wl);
3806
3807         i = 1;
3808         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3809                 if (win->iconic == 1)
3810                         continue;
3811
3812                 sw = calloc(1, sizeof(struct search_window));
3813                 if (sw == NULL) {
3814                         warn("search_win: calloc");
3815                         fclose(lfile);
3816                         search_win_cleanup();
3817                         return;
3818                 }
3819                 sw->idx = i;
3820                 sw->win = win;
3821
3822                 snprintf(s, sizeof s, "%d", i);
3823                 len = strlen(s);
3824
3825                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3826
3827                 w = xcb_generate_id(conn);
3828                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3829                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3830                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3831                     lbox.width + 4, bar_fs_extents->max_logical_extent.height,
3832                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3833                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3834
3835                 sw->indicator = w;
3836                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3837
3838                 sw->gc = xcb_generate_id(conn);
3839                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3840                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].color;
3841                 gcv[2] = 0;
3842                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3843                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
3844                 map_window_raised(w);
3845
3846                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3847                     (bar_fs_extents->max_logical_extent.height -
3848                     lbox.height) / 2 - lbox.y, s);
3849
3850                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3851
3852                 fprintf(lfile, "%d\n", i);
3853                 i++;
3854         }
3855
3856         fclose(lfile);
3857
3858         xcb_flush(conn);
3859 }
3860
3861 void
3862 search_resp_uniconify(char *resp, unsigned long len)
3863 {
3864         char                    *name;
3865         struct ws_win           *win;
3866         char                    *s;
3867
3868         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3869
3870         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3871                 if (win->iconic == 0)
3872                         continue;
3873                 name = get_win_name(win->id);
3874                 if (name == NULL)
3875                         continue;
3876                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3877                         free(name);
3878                         continue;
3879                 }
3880                 free(name);
3881                 if (strncmp(s, resp, len) == 0) {
3882                         /* XXX this should be a callback to generalize */
3883                         update_iconic(win, 0);
3884                         free(s);
3885                         break;
3886                 }
3887                 free(s);
3888         }
3889 }
3890
3891 void
3892 search_resp_name_workspace(char *resp, unsigned long len)
3893 {
3894         struct workspace        *ws;
3895
3896         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3897
3898         if (search_r->ws == NULL)
3899                 return;
3900         ws = search_r->ws;
3901
3902         if (ws->name) {
3903                 free(search_r->ws->name);
3904                 search_r->ws->name = NULL;
3905         }
3906
3907         if (len > 1) {
3908                 ws->name = strdup(resp);
3909                 if (ws->name == NULL) {
3910                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3911                             "strdup: %s", strerror(errno));
3912                         return;
3913                 }
3914         }
3915 }
3916
3917 void
3918 search_resp_search_workspace(char *resp, unsigned long len)
3919 {
3920         char                    *p, *q;
3921         int                     ws_idx;
3922         const char              *errstr;
3923         union arg               a;
3924
3925         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3926
3927         q = strdup(resp);
3928         if (!q) {
3929                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3930                     strerror(errno));
3931                 return;
3932         }
3933         p = strchr(q, ':');
3934         if (p != NULL)
3935                 *p = '\0';
3936         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3937         if (errstr) {
3938                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3939                     errstr, q);
3940                 free(q);
3941                 return;
3942         }
3943         free(q);
3944         a.id = ws_idx - 1;
3945         switchws(search_r, &a);
3946 }
3947
3948 void
3949 search_resp_search_window(char *resp, unsigned long len)
3950 {
3951         char                    *s;
3952         int                     idx;
3953         const char              *errstr;
3954         struct search_window    *sw;
3955
3956         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3957
3958         s = strdup(resp);
3959         if (!s) {
3960                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3961                     strerror(errno));
3962                 return;
3963         }
3964
3965         idx = strtonum(s, 1, INT_MAX, &errstr);
3966         if (errstr) {
3967                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3968                     errstr, s);
3969                 free(s);
3970                 return;
3971         }
3972         free(s);
3973
3974         TAILQ_FOREACH(sw, &search_wl, entry)
3975                 if (idx == sw->idx) {
3976                         focus_win(sw->win);
3977                         break;
3978                 }
3979 }
3980
3981 #define MAX_RESP_LEN    1024
3982
3983 void
3984 search_do_resp(void)
3985 {
3986         ssize_t                 rbytes;
3987         char                    *resp;
3988         unsigned long           len;
3989
3990         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3991
3992         search_resp = 0;
3993         searchpid = 0;
3994
3995         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3996                 warn("search: calloc");
3997                 goto done;
3998         }
3999
4000         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4001         if (rbytes <= 0) {
4002                 warn("search: read error");
4003                 goto done;
4004         }
4005         resp[rbytes] = '\0';
4006
4007         /* XXX:
4008          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4009          * newline, so work around that by sanitizing the resp now.
4010          */
4011         resp[strcspn(resp, "\n")] = '\0';
4012         len = strlen(resp);
4013
4014         switch (search_resp_action) {
4015         case SWM_SEARCH_UNICONIFY:
4016                 search_resp_uniconify(resp, len);
4017                 break;
4018         case SWM_SEARCH_NAME_WORKSPACE:
4019                 search_resp_name_workspace(resp, len);
4020                 break;
4021         case SWM_SEARCH_SEARCH_WORKSPACE:
4022                 search_resp_search_workspace(resp, len);
4023                 break;
4024         case SWM_SEARCH_SEARCH_WINDOW:
4025                 search_resp_search_window(resp, len);
4026                 break;
4027         }
4028
4029 done:
4030         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4031                 search_win_cleanup();
4032
4033         search_resp_action = SWM_SEARCH_NONE;
4034         close(select_resp_pipe[0]);
4035         free(resp);
4036 }
4037
4038 void
4039 wkill(struct swm_region *r, union arg *args)
4040 {
4041         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4042
4043         if (r->ws->focus == NULL)
4044                 return;
4045
4046         if (args->id == SWM_ARG_ID_KILLWINDOW)
4047                 xcb_kill_client(conn, r->ws->focus->id);
4048         else
4049                 if (r->ws->focus->can_delete)
4050                         client_msg(r->ws->focus, adelete);
4051
4052         xcb_flush(conn);
4053 }
4054
4055
4056 int
4057 floating_toggle_win(struct ws_win *win)
4058 {
4059         struct swm_region       *r;
4060
4061         if (win == NULL)
4062                 return (0);
4063
4064         if (!win->ws->r)
4065                 return (0);
4066
4067         r = win->ws->r;
4068
4069         /* reject floating toggles in max stack mode */
4070         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4071                 return (0);
4072
4073         if (win->floating) {
4074                 if (!win->floatmaxed) {
4075                         /* retain position for refloat */
4076                         store_float_geom(win, r);
4077                 }
4078                 win->floating = 0;
4079         } else {
4080                 if (win->g_floatvalid) {
4081                         /* refloat at last floating relative position */
4082                         X(win) = win->g_float.x + X(r);
4083                         Y(win) = win->g_float.y + Y(r);
4084                         WIDTH(win) = win->g_float.w;
4085                         HEIGHT(win) = win->g_float.h;
4086                 }
4087                 win->floating = 1;
4088         }
4089
4090         ewmh_update_actions(win);
4091
4092         return (1);
4093 }
4094
4095 void
4096 floating_toggle(struct swm_region *r, union arg *args)
4097 {
4098         struct ws_win           *win = r->ws->focus;
4099         union arg               a;
4100
4101         if (win == NULL)
4102                 return;
4103
4104         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4105             _NET_WM_STATE_TOGGLE);
4106
4107         stack();
4108
4109         if (win == win->ws->focus) {
4110                 a.id = SWM_ARG_ID_FOCUSCUR;
4111                 focus(win->ws->r, &a);
4112         }
4113
4114         xcb_flush(conn);
4115 }
4116
4117 void
4118 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4119 {
4120         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4121                 if (resizable)
4122                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4123                 else
4124                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4125         }
4126
4127         if (X(win) + BORDER(win) < X(r)) {
4128                 if (resizable)
4129                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4130
4131                 X(win) = X(r) - BORDER(win);
4132         }
4133
4134         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4135                 if (resizable)
4136                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4137                 else
4138                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4139         }
4140
4141         if (Y(win) + BORDER(win) < Y(r)) {
4142                 if (resizable)
4143                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4144
4145                 Y(win) = Y(r) - BORDER(win);
4146         }
4147
4148         if (resizable) {
4149                 if (WIDTH(win) < 1)
4150                         WIDTH(win) = 1;
4151                 if (HEIGHT(win) < 1)
4152                         HEIGHT(win) = 1;
4153         }
4154 }
4155
4156 void
4157 update_window(struct ws_win *win)
4158 {
4159         uint16_t        mask;
4160         uint32_t        wc[5];
4161
4162         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4163                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4164                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4165         wc[0] = X(win);
4166         wc[1] = Y(win);
4167         wc[2] = WIDTH(win);
4168         wc[3] = HEIGHT(win);
4169         wc[4] = BORDER(win);
4170
4171         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4172             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4173             wc[3], YESNO(win->bordered));
4174
4175         xcb_configure_window(conn, win->id, mask, wc);
4176 }
4177
4178 #define SWM_RESIZE_STEPS        (50)
4179
4180 void
4181 resize(struct ws_win *win, union arg *args)
4182 {
4183         xcb_timestamp_t         timestamp = 0;
4184         struct swm_region       *r = NULL;
4185         int                     resize_step = 0;
4186         struct swm_geometry     g;
4187         int                     top = 0, left = 0, resizing;
4188         int                     dx, dy;
4189         unsigned int            shape; /* cursor style */
4190         xcb_cursor_t            cursor;
4191         xcb_font_t              cursor_font;
4192         xcb_grab_pointer_cookie_t       gpc;
4193         xcb_grab_pointer_reply_t        *gpr;
4194         xcb_query_pointer_reply_t       *xpr;
4195         xcb_generic_event_t             *evt;
4196         xcb_motion_notify_event_t       *mne;
4197
4198         if (win == NULL)
4199                 return;
4200         r = win->ws->r;
4201
4202         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4203                 return;
4204
4205         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4206             "transient: 0x%x\n", win->id, YESNO(win->floating),
4207             win->transient);
4208
4209         if (!(win->transient != 0 || win->floating != 0))
4210                 return;
4211
4212         /* reject resizes in max mode for floaters (transient ok) */
4213         if (win->floatmaxed)
4214                 return;
4215
4216         win->manual = 1;
4217         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4218             _NET_WM_STATE_ADD);
4219
4220         stack();
4221
4222         switch (args->id) {
4223         case SWM_ARG_ID_WIDTHSHRINK:
4224                 WIDTH(win) -= SWM_RESIZE_STEPS;
4225                 resize_step = 1;
4226                 break;
4227         case SWM_ARG_ID_WIDTHGROW:
4228                 WIDTH(win) += SWM_RESIZE_STEPS;
4229                 resize_step = 1;
4230                 break;
4231         case SWM_ARG_ID_HEIGHTSHRINK:
4232                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4233                 resize_step = 1;
4234                 break;
4235         case SWM_ARG_ID_HEIGHTGROW:
4236                 HEIGHT(win) += SWM_RESIZE_STEPS;
4237                 resize_step = 1;
4238                 break;
4239         default:
4240                 break;
4241         }
4242         if (resize_step) {
4243                 constrain_window(win, r, 1);
4244                 update_window(win);
4245                 store_float_geom(win,r);
4246                 return;
4247         }
4248
4249         /* get cursor offset from window root */
4250         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4251             NULL);
4252         if (!xpr)
4253                 return;
4254
4255         g = win->g;
4256
4257         if (xpr->win_x < WIDTH(win) / 2)
4258                 left = 1;
4259
4260         if (xpr->win_y < HEIGHT(win) / 2)
4261                 top = 1;
4262
4263         if (args->id == SWM_ARG_ID_CENTER)
4264                 shape = XC_sizing;
4265         else if (top)
4266                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4267         else
4268                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4269
4270         cursor_font = xcb_generate_id(conn);
4271         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4272
4273         cursor = xcb_generate_id(conn);
4274         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4275             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4276
4277         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4278             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4279             XCB_CURRENT_TIME),
4280         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4281         if (!gpr) {
4282                 xcb_free_cursor(conn, cursor);
4283                 xcb_close_font(conn, cursor_font);
4284                 free(xpr);
4285                 return;
4286         }
4287
4288         xcb_flush(conn);
4289         resizing = 1;
4290         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4291                 /*
4292                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4293                     SubstructureRedirectMask, &ev);
4294                 */
4295                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4296                 case XCB_BUTTON_RELEASE:
4297                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4298                         resizing = 0;
4299                         break;
4300                 case XCB_MOTION_NOTIFY:
4301                         mne = (xcb_motion_notify_event_t *)evt;
4302                         /* cursor offset/delta from start of the operation */
4303                         dx = mne->root_x - xpr->root_x;
4304                         dy = mne->root_y - xpr->root_y;
4305
4306                         /* vertical */
4307                         if (top)
4308                                 dy = -dy;
4309
4310                         if (args->id == SWM_ARG_ID_CENTER) {
4311                                 if (g.h / 2 + dy < 1)
4312                                         dy = 1 - g.h / 2;
4313
4314                                 Y(win) = g.y - dy;
4315                                 HEIGHT(win) = g.h + 2 * dy;
4316                         } else {
4317                                 if (g.h + dy < 1)
4318                                         dy = 1 - g.h;
4319
4320                                 if (top)
4321                                         Y(win) = g.y - dy;
4322
4323                                 HEIGHT(win) = g.h + dy;
4324                         }
4325
4326                         /* horizontal */
4327                         if (left)
4328                                 dx = -dx;
4329
4330                         if (args->id == SWM_ARG_ID_CENTER) {
4331                                 if (g.w / 2 + dx < 1)
4332                                         dx = 1 - g.w / 2;
4333
4334                                 X(win) = g.x - dx;
4335                                 WIDTH(win) = g.w + 2 * dx;
4336                         } else {
4337                                 if (g.w + dx < 1)
4338                                         dx = 1 - g.w;
4339
4340                                 if (left)
4341                                         X(win) = g.x - dx;
4342
4343                                 WIDTH(win) = g.w + dx;
4344                         }
4345
4346                         constrain_window(win, r, 1);
4347
4348                         /* not free, don't sync more than 120 times / second */
4349                         if ((mne->time - timestamp) > (1000 / 120) ) {
4350                                 timestamp = mne->time;
4351                                 do_sync();
4352                                 update_window(win);
4353                         }
4354                         break;
4355                 default:
4356                         event_handle(evt);
4357                         break;
4358                 }
4359                 free(evt);
4360         }
4361         if (timestamp) {
4362                 do_sync();
4363                 update_window(win);
4364         }
4365         store_float_geom(win,r);
4366
4367         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4368         xcb_free_cursor(conn, cursor);
4369         xcb_close_font(conn, cursor_font);
4370         free(gpr);
4371         free(xpr);
4372         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4373 }
4374
4375 void
4376 resize_step(struct swm_region *r, union arg *args)
4377 {
4378         struct ws_win           *win = NULL;
4379
4380         if (r && r->ws && r->ws->focus)
4381                 win = r->ws->focus;
4382         else
4383                 return;
4384
4385         resize(win, args);
4386 }
4387
4388 #define SWM_MOVE_STEPS  (50)
4389
4390 void
4391 move(struct ws_win *win, union arg *args)
4392 {
4393         xcb_timestamp_t         timestamp = 0;
4394         int                     move_step = 0, moving;
4395         struct swm_region       *r = NULL;
4396         xcb_font_t                      cursor_font;
4397         xcb_cursor_t                    cursor;
4398         xcb_grab_pointer_cookie_t       gpc;
4399         xcb_grab_pointer_reply_t        *gpr;
4400         xcb_query_pointer_reply_t       *qpr;
4401         xcb_generic_event_t             *evt;
4402         xcb_motion_notify_event_t       *mne;
4403
4404         if (win == NULL)
4405                 return;
4406         r = win->ws->r;
4407
4408         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4409                 return;
4410
4411         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4412             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4413
4414         /* in max_stack mode should only move transients */
4415         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4416                 return;
4417
4418         win->manual = 1;
4419         if (win->floating == 0 && !win->transient) {
4420                 store_float_geom(win, r);
4421                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4422                     _NET_WM_STATE_ADD);
4423         }
4424         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4425             _NET_WM_STATE_ADD);
4426
4427         stack();
4428
4429         move_step = 0;
4430         switch (args->id) {
4431         case SWM_ARG_ID_MOVELEFT:
4432                 X(win) -= (SWM_MOVE_STEPS - border_width);
4433                 move_step = 1;
4434                 break;
4435         case SWM_ARG_ID_MOVERIGHT:
4436                 X(win) += (SWM_MOVE_STEPS - border_width);
4437                 move_step = 1;
4438                 break;
4439         case SWM_ARG_ID_MOVEUP:
4440                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4441                 move_step = 1;
4442                 break;
4443         case SWM_ARG_ID_MOVEDOWN:
4444                 Y(win) += (SWM_MOVE_STEPS - border_width);
4445                 move_step = 1;
4446                 break;
4447         default:
4448                 break;
4449         }
4450         if (move_step) {
4451                 constrain_window(win, r, 0);
4452                 update_window(win);
4453                 store_float_geom(win, r);
4454                 return;
4455         }
4456
4457         cursor_font = xcb_generate_id(conn);
4458         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4459
4460         cursor = xcb_generate_id(conn);
4461         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4462                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4463
4464         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4465             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4466             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4467         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4468         if (!gpr) {
4469                 xcb_free_cursor(conn, cursor);
4470                 xcb_close_font(conn, cursor_font);
4471                 return;
4472         }
4473
4474         /* get cursor offset from window root */
4475         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4476                 NULL);
4477         if (!qpr) {
4478                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4479                 xcb_free_cursor(conn, cursor);
4480                 xcb_close_font(conn, cursor_font);
4481                 return;
4482         }
4483
4484         xcb_flush(conn);
4485         moving = 1;
4486         while ((evt = xcb_wait_for_event(conn)) && moving) {
4487                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4488                 case XCB_BUTTON_RELEASE:
4489                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4490                         moving = 0;
4491                         break;
4492                 case XCB_MOTION_NOTIFY:
4493                         mne = (xcb_motion_notify_event_t *)evt;
4494                         X(win) = mne->root_x - qpr->win_x - border_width;
4495                         Y(win) = mne->root_y - qpr->win_y - border_width;
4496
4497                         constrain_window(win, r, 0);
4498
4499                         /* not free, don't sync more than 120 times / second */
4500                         if ((mne->time - timestamp) > (1000 / 120) ) {
4501                                 timestamp = mne->time;
4502                                 do_sync();
4503                                 update_window(win);
4504                         }
4505                         break;
4506                 default:
4507                         event_handle(evt);
4508                         break;
4509                 }
4510                 free(evt);
4511         }
4512         if (timestamp) {
4513                 do_sync();
4514                 update_window(win);
4515         }
4516         store_float_geom(win, r);
4517         free(qpr);
4518         xcb_free_cursor(conn, cursor);
4519         xcb_close_font(conn, cursor_font);
4520         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4521         DNPRINTF(SWM_D_EVENT, "move: done\n");
4522 }
4523
4524 void
4525 move_step(struct swm_region *r, union arg *args)
4526 {
4527         struct ws_win           *win = NULL;
4528
4529         if (r && r->ws && r->ws->focus)
4530                 win = r->ws->focus;
4531         else
4532                 return;
4533
4534         if (!(win->transient != 0 || win->floating != 0))
4535                 return;
4536
4537         move(win, args);
4538 }
4539
4540
4541 /* user/key callable function IDs */
4542 enum keyfuncid {
4543         KF_BAR_TOGGLE,
4544         KF_BUTTON2,
4545         KF_CYCLE_LAYOUT,
4546         KF_FLIP_LAYOUT,
4547         KF_FLOAT_TOGGLE,
4548         KF_FOCUS_MAIN,
4549         KF_FOCUS_NEXT,
4550         KF_FOCUS_PREV,
4551         KF_HEIGHT_GROW,
4552         KF_HEIGHT_SHRINK,
4553         KF_ICONIFY,
4554         KF_MASTER_SHRINK,
4555         KF_MASTER_GROW,
4556         KF_MASTER_ADD,
4557         KF_MASTER_DEL,
4558         KF_MOVE_DOWN,
4559         KF_MOVE_LEFT,
4560         KF_MOVE_RIGHT,
4561         KF_MOVE_UP,
4562         KF_MVWS_1,
4563         KF_MVWS_2,
4564         KF_MVWS_3,
4565         KF_MVWS_4,
4566         KF_MVWS_5,
4567         KF_MVWS_6,
4568         KF_MVWS_7,
4569         KF_MVWS_8,
4570         KF_MVWS_9,
4571         KF_MVWS_10,
4572         KF_MVWS_11,
4573         KF_MVWS_12,
4574         KF_MVWS_13,
4575         KF_MVWS_14,
4576         KF_MVWS_15,
4577         KF_MVWS_16,
4578         KF_MVWS_17,
4579         KF_MVWS_18,
4580         KF_MVWS_19,
4581         KF_MVWS_20,
4582         KF_MVWS_21,
4583         KF_MVWS_22,
4584         KF_NAME_WORKSPACE,
4585         KF_QUIT,
4586         KF_RAISE_TOGGLE,
4587         KF_RESTART,
4588         KF_SCREEN_NEXT,
4589         KF_SCREEN_PREV,
4590         KF_SEARCH_WIN,
4591         KF_SEARCH_WORKSPACE,
4592         KF_SPAWN_CUSTOM,
4593         KF_STACK_INC,
4594         KF_STACK_DEC,
4595         KF_STACK_RESET,
4596         KF_SWAP_MAIN,
4597         KF_SWAP_NEXT,
4598         KF_SWAP_PREV,
4599         KF_UNICONIFY,
4600         KF_VERSION,
4601         KF_WIDTH_GROW,
4602         KF_WIDTH_SHRINK,
4603         KF_WIND_DEL,
4604         KF_WIND_KILL,
4605         KF_WS_1,
4606         KF_WS_2,
4607         KF_WS_3,
4608         KF_WS_4,
4609         KF_WS_5,
4610         KF_WS_6,
4611         KF_WS_7,
4612         KF_WS_8,
4613         KF_WS_9,
4614         KF_WS_10,
4615         KF_WS_11,
4616         KF_WS_12,
4617         KF_WS_13,
4618         KF_WS_14,
4619         KF_WS_15,
4620         KF_WS_16,
4621         KF_WS_17,
4622         KF_WS_18,
4623         KF_WS_19,
4624         KF_WS_20,
4625         KF_WS_21,
4626         KF_WS_22,
4627         KF_WS_NEXT,
4628         KF_WS_NEXT_ALL,
4629         KF_WS_PREV,
4630         KF_WS_PREV_ALL,
4631         KF_WS_PRIOR,
4632         KF_DUMPWINS, /* MUST BE LAST */
4633         KF_INVALID
4634 };
4635
4636 /* key definitions */
4637 struct keyfunc {
4638         char                    name[SWM_FUNCNAME_LEN];
4639         void                    (*func)(struct swm_region *r, union arg *);
4640         union arg               args;
4641 } keyfuncs[KF_INVALID + 1] = {
4642         /* name                 function        argument */
4643         { "bar_toggle",         bar_toggle,     {0} },
4644         { "button2",            pressbutton,    {2} },
4645         { "cycle_layout",       cycle_layout,   {0} },
4646         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4647         { "float_toggle",       floating_toggle,{0} },
4648         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4649         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4650         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4651         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4652         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4653         { "iconify",            iconify,        {0} },
4654         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4655         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4656         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4657         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4658         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4659         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4660         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4661         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4662         { "mvws_1",             send_to_ws,     {.id = 0} },
4663         { "mvws_2",             send_to_ws,     {.id = 1} },
4664         { "mvws_3",             send_to_ws,     {.id = 2} },
4665         { "mvws_4",             send_to_ws,     {.id = 3} },
4666         { "mvws_5",             send_to_ws,     {.id = 4} },
4667         { "mvws_6",             send_to_ws,     {.id = 5} },
4668         { "mvws_7",             send_to_ws,     {.id = 6} },
4669         { "mvws_8",             send_to_ws,     {.id = 7} },
4670         { "mvws_9",             send_to_ws,     {.id = 8} },
4671         { "mvws_10",            send_to_ws,     {.id = 9} },
4672         { "mvws_11",            send_to_ws,     {.id = 10} },
4673         { "mvws_12",            send_to_ws,     {.id = 11} },
4674         { "mvws_13",            send_to_ws,     {.id = 12} },
4675         { "mvws_14",            send_to_ws,     {.id = 13} },
4676         { "mvws_15",            send_to_ws,     {.id = 14} },
4677         { "mvws_16",            send_to_ws,     {.id = 15} },
4678         { "mvws_17",            send_to_ws,     {.id = 16} },
4679         { "mvws_18",            send_to_ws,     {.id = 17} },
4680         { "mvws_19",            send_to_ws,     {.id = 18} },
4681         { "mvws_20",            send_to_ws,     {.id = 19} },
4682         { "mvws_21",            send_to_ws,     {.id = 20} },
4683         { "mvws_22",            send_to_ws,     {.id = 21} },
4684         { "name_workspace",     name_workspace, {0} },
4685         { "quit",               quit,           {0} },
4686         { "raise_toggle",       raise_toggle,   {0} },
4687         { "restart",            restart,        {0} },
4688         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4689         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4690         { "search_win",         search_win,     {0} },
4691         { "search_workspace",   search_workspace,       {0} },
4692         { "spawn_custom",       NULL,           {0} },
4693         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4694         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4695         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4696         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4697         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4698         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4699         { "uniconify",          uniconify,      {0} },
4700         { "version",            version,        {0} },
4701         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4702         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4703         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4704         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4705         { "ws_1",               switchws,       {.id = 0} },
4706         { "ws_2",               switchws,       {.id = 1} },
4707         { "ws_3",               switchws,       {.id = 2} },
4708         { "ws_4",               switchws,       {.id = 3} },
4709         { "ws_5",               switchws,       {.id = 4} },
4710         { "ws_6",               switchws,       {.id = 5} },
4711         { "ws_7",               switchws,       {.id = 6} },
4712         { "ws_8",               switchws,       {.id = 7} },
4713         { "ws_9",               switchws,       {.id = 8} },
4714         { "ws_10",              switchws,       {.id = 9} },
4715         { "ws_11",              switchws,       {.id = 10} },
4716         { "ws_12",              switchws,       {.id = 11} },
4717         { "ws_13",              switchws,       {.id = 12} },
4718         { "ws_14",              switchws,       {.id = 13} },
4719         { "ws_15",              switchws,       {.id = 14} },
4720         { "ws_16",              switchws,       {.id = 15} },
4721         { "ws_17",              switchws,       {.id = 16} },
4722         { "ws_18",              switchws,       {.id = 17} },
4723         { "ws_19",              switchws,       {.id = 18} },
4724         { "ws_20",              switchws,       {.id = 19} },
4725         { "ws_21",              switchws,       {.id = 20} },
4726         { "ws_22",              switchws,       {.id = 21} },
4727         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4728         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4729         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4730         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4731         { "ws_prior",           priorws,        {0} },
4732         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4733         { "invalid key func",   NULL,           {0} },
4734 };
4735 struct key {
4736         RB_ENTRY(key)           entry;
4737         unsigned int            mod;
4738         KeySym                  keysym;
4739         enum keyfuncid          funcid;
4740         char                    *spawn_name;
4741 };
4742 RB_HEAD(key_tree, key);
4743
4744 int
4745 key_cmp(struct key *kp1, struct key *kp2)
4746 {
4747         if (kp1->keysym < kp2->keysym)
4748                 return (-1);
4749         if (kp1->keysym > kp2->keysym)
4750                 return (1);
4751
4752         if (kp1->mod < kp2->mod)
4753                 return (-1);
4754         if (kp1->mod > kp2->mod)
4755                 return (1);
4756
4757         return (0);
4758 }
4759
4760 RB_GENERATE(key_tree, key, entry, key_cmp);
4761 struct key_tree                 keys;
4762
4763 /* mouse */
4764 enum { client_click, root_click };
4765 struct button {
4766         unsigned int            action;
4767         unsigned int            mask;
4768         unsigned int            button;
4769         void                    (*func)(struct ws_win *, union arg *);
4770         union arg               args;
4771 } buttons[] = {
4772           /* action     key             mouse button    func    args */
4773         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4774         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4775         { client_click, MODKEY,         Button1,        move,   {0} },
4776 };
4777
4778 void
4779 update_modkey(unsigned int mod)
4780 {
4781         int                     i;
4782         struct key              *kp;
4783
4784         mod_key = mod;
4785         RB_FOREACH(kp, key_tree, &keys)
4786                 if (kp->mod & ShiftMask)
4787                         kp->mod = mod | ShiftMask;
4788                 else
4789                         kp->mod = mod;
4790
4791         for (i = 0; i < LENGTH(buttons); i++)
4792                 if (buttons[i].mask & ShiftMask)
4793                         buttons[i].mask = mod | ShiftMask;
4794                 else
4795                         buttons[i].mask = mod;
4796 }
4797
4798 /* spawn */
4799 struct spawn_prog {
4800         TAILQ_ENTRY(spawn_prog) entry;
4801         char                    *name;
4802         int                     argc;
4803         char                    **argv;
4804 };
4805 TAILQ_HEAD(spawn_list, spawn_prog);
4806 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4807
4808 int
4809 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4810     char ***ret_args)
4811 {
4812         struct spawn_prog       *prog = NULL;
4813         int                     i;
4814         char                    *ap, **real_args;
4815
4816         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4817
4818         /* find program */
4819         TAILQ_FOREACH(prog, &spawns, entry) {
4820                 if (!strcasecmp(spawn_name, prog->name))
4821                         break;
4822         }
4823         if (prog == NULL) {
4824                 warnx("spawn_custom: program %s not found", spawn_name);
4825                 return (-1);
4826         }
4827
4828         /* make room for expanded args */
4829         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4830                 err(1, "spawn_custom: calloc real_args");
4831
4832         /* expand spawn_args into real_args */
4833         for (i = 0; i < prog->argc; i++) {
4834                 ap = prog->argv[i];
4835                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4836                 if (!strcasecmp(ap, "$bar_border")) {
4837                         if ((real_args[i] =
4838                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4839                             == NULL)
4840                                 err(1,  "spawn_custom border color");
4841                 } else if (!strcasecmp(ap, "$bar_color")) {
4842                         if ((real_args[i] =
4843                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4844                             == NULL)
4845                                 err(1, "spawn_custom bar color");
4846                 } else if (!strcasecmp(ap, "$bar_font")) {
4847                         if ((real_args[i] = strdup(bar_fonts))
4848                             == NULL)
4849                                 err(1, "spawn_custom bar fonts");
4850                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4851                         if ((real_args[i] =
4852                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4853                             == NULL)
4854                                 err(1, "spawn_custom color font");
4855                 } else if (!strcasecmp(ap, "$color_focus")) {
4856                         if ((real_args[i] =
4857                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4858                             == NULL)
4859                                 err(1, "spawn_custom color focus");
4860                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4861                         if ((real_args[i] =
4862                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4863                             == NULL)
4864                                 err(1, "spawn_custom color unfocus");
4865                 } else {
4866                         /* no match --> copy as is */
4867                         if ((real_args[i] = strdup(ap)) == NULL)
4868                                 err(1, "spawn_custom strdup(ap)");
4869                 }
4870                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4871                     real_args[i]);
4872         }
4873
4874 #ifdef SWM_DEBUG
4875         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4876         for (i = 0; i < prog->argc; i++)
4877                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4878         DNPRINTF(SWM_D_SPAWN, "\n");
4879 #endif
4880         *ret_args = real_args;
4881         return (prog->argc);
4882 }
4883
4884 void
4885 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4886 {
4887         union arg               a;
4888         char                    **real_args;
4889         int                     spawn_argc, i;
4890
4891         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4892                 return;
4893         a.argv = real_args;
4894         if (fork() == 0)
4895                 spawn(r->ws->idx, &a, 1);
4896
4897         for (i = 0; i < spawn_argc; i++)
4898                 free(real_args[i]);
4899         free(real_args);
4900 }
4901
4902 void
4903 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4904 {
4905         union arg               a;
4906         char                    **real_args;
4907         int                     i, spawn_argc;
4908
4909         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4910                 return;
4911         a.argv = real_args;
4912
4913         if (pipe(select_list_pipe) == -1)
4914                 err(1, "pipe error");
4915         if (pipe(select_resp_pipe) == -1)
4916                 err(1, "pipe error");
4917
4918         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4919                 err(1, "could not disable SIGPIPE");
4920         switch (*pid = fork()) {
4921         case -1:
4922                 err(1, "cannot fork");
4923                 break;
4924         case 0: /* child */
4925                 if (dup2(select_list_pipe[0], 0) == -1)
4926                         err(1, "dup2");
4927                 if (dup2(select_resp_pipe[1], 1) == -1)
4928                         err(1, "dup2");
4929                 close(select_list_pipe[1]);
4930                 close(select_resp_pipe[0]);
4931                 spawn(r->ws->idx, &a, 0);
4932                 break;
4933         default: /* parent */
4934                 close(select_list_pipe[0]);
4935                 close(select_resp_pipe[1]);
4936                 break;
4937         }
4938
4939         for (i = 0; i < spawn_argc; i++)
4940                 free(real_args[i]);
4941         free(real_args);
4942 }
4943
4944 void
4945 spawn_insert(char *name, char *args)
4946 {
4947         char                    *arg, *cp, *ptr;
4948         struct spawn_prog       *sp;
4949
4950         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4951
4952         if ((sp = calloc(1, sizeof *sp)) == NULL)
4953                 err(1, "spawn_insert: malloc");
4954         if ((sp->name = strdup(name)) == NULL)
4955                 err(1, "spawn_insert: strdup");
4956
4957         /* convert the arguments to an argument list */
4958         if ((ptr = cp = strdup(args)) == NULL)
4959                 err(1, "spawn_insert: strdup");
4960         while ((arg = strsep(&ptr, " \t")) != NULL) {
4961                 /* empty field; skip it */
4962                 if (*arg == '\0')
4963                         continue;
4964
4965                 sp->argc++;
4966                 if ((sp->argv = realloc(sp->argv, sp->argc *
4967                     sizeof *sp->argv)) == NULL)
4968                         err(1, "spawn_insert: realloc");
4969                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4970                         err(1, "spawn_insert: strdup");
4971         }
4972         free(cp);
4973
4974         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4975         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4976 }
4977
4978 void
4979 spawn_remove(struct spawn_prog *sp)
4980 {
4981         int                     i;
4982
4983         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4984
4985         TAILQ_REMOVE(&spawns, sp, entry);
4986         for (i = 0; i < sp->argc; i++)
4987                 free(sp->argv[i]);
4988         free(sp->argv);
4989         free(sp->name);
4990         free(sp);
4991
4992         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
4993 }
4994
4995 void
4996 spawn_replace(struct spawn_prog *sp, char *name, char *args)
4997 {
4998         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
4999
5000         spawn_remove(sp);
5001         spawn_insert(name, args);
5002
5003         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5004 }
5005
5006 void
5007 setspawn(char *name, char *args)
5008 {
5009         struct spawn_prog       *sp;
5010
5011         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5012
5013         if (name == NULL)
5014                 return;
5015
5016         TAILQ_FOREACH(sp, &spawns, entry) {
5017                 if (!strcmp(sp->name, name)) {
5018                         if (*args == '\0')
5019                                 spawn_remove(sp);
5020                         else
5021                                 spawn_replace(sp, name, args);
5022                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5023                         return;
5024                 }
5025         }
5026         if (*args == '\0') {
5027                 warnx("error: setspawn: cannot find program: %s", name);
5028                 return;
5029         }
5030
5031         spawn_insert(name, args);
5032         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5033 }
5034
5035 int
5036 setconfspawn(char *selector, char *value, int flags)
5037 {
5038         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5039
5040         setspawn(selector, value);
5041
5042         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5043         return (0);
5044 }
5045
5046 void
5047 setup_spawn(void)
5048 {
5049         setconfspawn("term",            "xterm",                0);
5050         setconfspawn("spawn_term",      "xterm",                0);
5051         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5052         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5053         setconfspawn("lock",            "xlock",                0);
5054         setconfspawn("initscr",         "initscreen.sh",        0);
5055         setconfspawn("menu",            "dmenu_run"
5056                                         " -fn $bar_font"
5057                                         " -nb $bar_color"
5058                                         " -nf $bar_font_color"
5059                                         " -sb $bar_border"
5060                                         " -sf $bar_color",      0);
5061         setconfspawn("search",          "dmenu"
5062                                         " -i"
5063                                         " -fn $bar_font"
5064                                         " -nb $bar_color"
5065                                         " -nf $bar_font_color"
5066                                         " -sb $bar_border"
5067                                         " -sf $bar_color",      0);
5068         setconfspawn("name_workspace",  "dmenu"
5069                                         " -p Workspace"
5070                                         " -fn $bar_font"
5071                                         " -nb $bar_color"
5072                                         " -nf $bar_font_color"
5073                                         " -sb $bar_border"
5074                                         " -sf $bar_color",      0);
5075 }
5076
5077 /* key bindings */
5078 #define SWM_MODNAME_SIZE        32
5079 #define SWM_KEY_WS              "\n+ \t"
5080 int
5081 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5082 {
5083         char                    *cp, *name;
5084         KeySym                  uks;
5085         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5086         if (mod == NULL || ks == NULL) {
5087                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5088                 return (1);
5089         }
5090         if (keystr == NULL || strlen(keystr) == 0) {
5091                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5092                 return (1);
5093         }
5094         cp = keystr;
5095         *ks = NoSymbol;
5096         *mod = 0;
5097         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5098                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5099                 if (cp)
5100                         cp += (long)strspn(cp, SWM_KEY_WS);
5101                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5102                         *mod |= currmod;
5103                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5104                         *mod |= Mod1Mask;
5105                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5106                         *mod += Mod2Mask;
5107                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5108                         *mod |= Mod3Mask;
5109                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5110                         *mod |= Mod4Mask;
5111                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5112                         *mod |= ShiftMask;
5113                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5114                         *mod |= ControlMask;
5115                 else {
5116                         *ks = XStringToKeysym(name);
5117                         XConvertCase(*ks, ks, &uks);
5118                         if (ks == NoSymbol) {
5119                                 DNPRINTF(SWM_D_KEY,
5120                                     "parsekeys: invalid key %s\n",
5121                                     name);
5122                                 return (1);
5123                         }
5124                 }
5125         }
5126         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5127         return (0);
5128 }
5129
5130 char *
5131 strdupsafe(char *str)
5132 {
5133         if (str == NULL)
5134                 return (NULL);
5135         else
5136                 return (strdup(str));
5137 }
5138
5139 void
5140 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5141 {
5142         struct key              *kp;
5143
5144         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5145             keyfuncs[kfid].name, spawn_name);
5146
5147         if ((kp = malloc(sizeof *kp)) == NULL)
5148                 err(1, "key_insert: malloc");
5149
5150         kp->mod = mod;
5151         kp->keysym = ks;
5152         kp->funcid = kfid;
5153         kp->spawn_name = strdupsafe(spawn_name);
5154         RB_INSERT(key_tree, &keys, kp);
5155
5156         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5157 }
5158
5159 struct key *
5160 key_lookup(unsigned int mod, KeySym ks)
5161 {
5162         struct key              kp;
5163
5164         kp.keysym = ks;
5165         kp.mod = mod;
5166
5167         return (RB_FIND(key_tree, &keys, &kp));
5168 }
5169
5170 void
5171 key_remove(struct key *kp)
5172 {
5173         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5174
5175         RB_REMOVE(key_tree, &keys, kp);
5176         free(kp->spawn_name);
5177         free(kp);
5178
5179         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5180 }
5181
5182 void
5183 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5184     char *spawn_name)
5185 {
5186         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5187             spawn_name);
5188
5189         key_remove(kp);
5190         key_insert(mod, ks, kfid, spawn_name);
5191
5192         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5193 }
5194
5195 void
5196 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5197     char *spawn_name)
5198 {
5199         struct key              *kp;
5200
5201         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5202             keyfuncs[kfid].name, spawn_name);
5203
5204         if ((kp = key_lookup(mod, ks)) != NULL) {
5205                 if (kfid == KF_INVALID)
5206                         key_remove(kp);
5207                 else
5208                         key_replace(kp, mod, ks, kfid, spawn_name);
5209                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5210                 return;
5211         }
5212         if (kfid == KF_INVALID) {
5213                 warnx("error: setkeybinding: cannot find mod/key combination");
5214                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5215                 return;
5216         }
5217
5218         key_insert(mod, ks, kfid, spawn_name);
5219         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5220 }
5221
5222 int
5223 setconfbinding(char *selector, char *value, int flags)
5224 {
5225         enum keyfuncid          kfid;
5226         unsigned int            mod;
5227         KeySym                  ks;
5228         struct spawn_prog       *sp;
5229         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5230         if (selector == NULL) {
5231                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5232                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5233                         kfid = KF_INVALID;
5234                         setkeybinding(mod, ks, kfid, NULL);
5235                         return (0);
5236                 } else
5237                         return (1);
5238         }
5239         /* search by key function name */
5240         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5241                 if (strncasecmp(selector, keyfuncs[kfid].name,
5242                     SWM_FUNCNAME_LEN) == 0) {
5243                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5244                             selector);
5245                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5246                                 setkeybinding(mod, ks, kfid, NULL);
5247                                 return (0);
5248                         } else
5249                                 return (1);
5250                 }
5251         }
5252         /* search by custom spawn name */
5253         TAILQ_FOREACH(sp, &spawns, entry) {
5254                 if (strcasecmp(selector, sp->name) == 0) {
5255                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5256                             selector);
5257                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5258                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5259                                     sp->name);
5260                                 return (0);
5261                         } else
5262                                 return (1);
5263                 }
5264         }
5265         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5266         return (1);
5267 }
5268
5269 void
5270 setup_keys(void)
5271 {
5272         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5273         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5274         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5275         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5276         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5277         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5278         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5279         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5280         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5281         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5282         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5283         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5284         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5285         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5286         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5287         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5288         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5289         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5290         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5291         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5292         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5293         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5294         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5295         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5296         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5297         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5298         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5299         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5300         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5301         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5302         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5303         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5304         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5305         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5306         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5307         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5308         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5309         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5310         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5311         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5312         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5313         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5314         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5315         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5316         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5317         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5318         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5319         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5320         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5321         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5322         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5323         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5324         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5325         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5326         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5327         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5328         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5329         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5330         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5331         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5332         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5333         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5334         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5335         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5336         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5337         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5338         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5339         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5340         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5341         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5342         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5343         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5344         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5345         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5346         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5347         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5348         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5349         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5350         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5351         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5352         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5353         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5354         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5355         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5356         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5357         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5358         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5359         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5360         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5361         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5362         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5363         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5364         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5365         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5366         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5367         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5368 #ifdef SWM_DEBUG
5369         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5370 #endif
5371 }
5372
5373 void
5374 clear_keys(void)
5375 {
5376         struct key              *kp;
5377
5378         while (RB_EMPTY(&keys) == 0) {
5379                 kp = RB_ROOT(&keys);
5380                 key_remove(kp);
5381         }
5382 }
5383
5384 int
5385 setkeymapping(char *selector, char *value, int flags)
5386 {
5387         char                    keymapping_file[PATH_MAX];
5388         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5389         if (value[0] == '~')
5390                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5391                     pwd->pw_dir, &value[1]);
5392         else
5393                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5394         clear_keys();
5395         /* load new key bindings; if it fails, revert to default bindings */
5396         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5397                 clear_keys();
5398                 setup_keys();
5399         }
5400         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5401         return (0);
5402 }
5403
5404 void
5405 updatenumlockmask(void)
5406 {
5407         unsigned int                            i, j;
5408         xcb_get_modifier_mapping_reply_t        *modmap_r;
5409         xcb_keycode_t                           *modmap, kc;
5410
5411         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5412         numlockmask = 0;
5413
5414         modmap_r = xcb_get_modifier_mapping_reply(conn,
5415             xcb_get_modifier_mapping(conn),
5416             NULL);
5417         if (modmap_r) {
5418                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5419                 for (i = 0; i < 8; i++) {
5420                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5421                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5422                                     + j];
5423
5424                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5425                                     XK_Num_Lock)))
5426                                         numlockmask = (1 << i);
5427                         }
5428                 }
5429                 free(modmap_r);
5430         }
5431 }
5432
5433 void
5434 grabkeys(void)
5435 {
5436         int                     num_screens;
5437         unsigned int            j, k;
5438         xcb_keycode_t           *code;
5439         unsigned int            modifiers[] =
5440             { 0, LockMask, numlockmask, numlockmask | LockMask };
5441         struct key              *kp;
5442
5443         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5444         updatenumlockmask();
5445
5446         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5447         for (k = 0; k < num_screens; k++) {
5448                 if (TAILQ_EMPTY(&screens[k].rl))
5449                         continue;
5450                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5451                         XCB_MOD_MASK_ANY);
5452                 RB_FOREACH(kp, key_tree, &keys) {
5453                         if ((code = xcb_key_symbols_get_keycode(syms,
5454                                         kp->keysym)))
5455                                 for (j = 0; j < LENGTH(modifiers); j++)
5456                                         xcb_grab_key(conn, True,
5457                                             screens[k].root,
5458                                             kp->mod | modifiers[j],
5459                                             *code, XCB_GRAB_MODE_ASYNC,
5460                                             XCB_GRAB_MODE_ASYNC);
5461                 }
5462         }
5463 }
5464
5465 void
5466 grabbuttons(struct ws_win *win, int focused)
5467 {
5468         unsigned int            i, j;
5469         unsigned int            modifiers[] =
5470             { 0, LockMask, numlockmask, numlockmask|LockMask };
5471
5472         updatenumlockmask();
5473         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5474             XCB_BUTTON_MASK_ANY);
5475         if (focused) {
5476                 for (i = 0; i < LENGTH(buttons); i++)
5477                         if (buttons[i].action == client_click)
5478                                 for (j = 0; j < LENGTH(modifiers); j++)
5479                                         xcb_grab_button(conn, False, win->id,
5480                                             BUTTONMASK,
5481                                             XCB_GRAB_MODE_ASYNC,
5482                                             XCB_GRAB_MODE_SYNC,
5483                                             XCB_WINDOW_NONE,
5484                                             XCB_CURSOR_NONE,
5485                                             buttons[i].button,
5486                                             buttons[i].mask);
5487         } else
5488                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5489                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5490                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5491 }
5492
5493 const char *quirkname[] = {
5494         "NONE",         /* config string for "no value" */
5495         "FLOAT",
5496         "TRANSSZ",
5497         "ANYWHERE",
5498         "XTERM_FONTADJ",
5499         "FULLSCREEN",
5500         "FOCUSPREV",
5501 };
5502
5503 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5504 #define SWM_Q_WS                "\n|+ \t"
5505 int
5506 parsequirks(char *qstr, unsigned long *quirk)
5507 {
5508         char                    *cp, *name;
5509         int                     i;
5510
5511         if (quirk == NULL)
5512                 return (1);
5513
5514         cp = qstr;
5515         *quirk = 0;
5516         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5517                 if (cp)
5518                         cp += (long)strspn(cp, SWM_Q_WS);
5519                 for (i = 0; i < LENGTH(quirkname); i++) {
5520                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5521                                 DNPRINTF(SWM_D_QUIRK,
5522                                     "parsequirks: %s\n", name);
5523                                 if (i == 0) {
5524                                         *quirk = 0;
5525                                         return (0);
5526                                 }
5527                                 *quirk |= 1 << (i-1);
5528                                 break;
5529                         }
5530                 }
5531                 if (i >= LENGTH(quirkname)) {
5532                         DNPRINTF(SWM_D_QUIRK,
5533                             "parsequirks: invalid quirk [%s]\n", name);
5534                         return (1);
5535                 }
5536         }
5537         return (0);
5538 }
5539
5540 void
5541 quirk_insert(const char *class, const char *name, unsigned long quirk)
5542 {
5543         struct quirk            *qp;
5544
5545         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5546             quirk);
5547
5548         if ((qp = malloc(sizeof *qp)) == NULL)
5549                 err(1, "quirk_insert: malloc");
5550         if ((qp->class = strdup(class)) == NULL)
5551                 err(1, "quirk_insert: strdup");
5552         if ((qp->name = strdup(name)) == NULL)
5553                 err(1, "quirk_insert: strdup");
5554
5555         qp->quirk = quirk;
5556         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5557
5558         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5559 }
5560
5561 void
5562 quirk_remove(struct quirk *qp)
5563 {
5564         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5565             qp->name, qp->quirk);
5566
5567         TAILQ_REMOVE(&quirks, qp, entry);
5568         free(qp->class);
5569         free(qp->name);
5570         free(qp);
5571
5572         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5573 }
5574
5575 void
5576 quirk_replace(struct quirk *qp, const char *class, const char *name,
5577     unsigned long quirk)
5578 {
5579         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5580             qp->name, qp->quirk);
5581
5582         quirk_remove(qp);
5583         quirk_insert(class, name, quirk);
5584
5585         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5586 }
5587
5588 void
5589 setquirk(const char *class, const char *name, unsigned long quirk)
5590 {
5591         struct quirk            *qp;
5592
5593         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5594            quirk);
5595
5596         TAILQ_FOREACH(qp, &quirks, entry) {
5597                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5598                         if (!quirk)
5599                                 quirk_remove(qp);
5600                         else
5601                                 quirk_replace(qp, class, name, quirk);
5602                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5603                         return;
5604                 }
5605         }
5606         if (!quirk) {
5607                 warnx("error: setquirk: cannot find class/name combination");
5608                 return;
5609         }
5610
5611         quirk_insert(class, name, quirk);
5612         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5613 }
5614
5615 int
5616 setconfquirk(char *selector, char *value, int flags)
5617 {
5618         char                    *cp, *class, *name;
5619         int                     retval;
5620         unsigned long           quirks;
5621         if (selector == NULL)
5622                 return (0);
5623         if ((cp = strchr(selector, ':')) == NULL)
5624                 return (0);
5625         *cp = '\0';
5626         class = selector;
5627         name = cp + 1;
5628         if ((retval = parsequirks(value, &quirks)) == 0)
5629                 setquirk(class, name, quirks);
5630         return (retval);
5631 }
5632
5633 void
5634 setup_quirks(void)
5635 {
5636         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5637         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5638         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5639         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5640         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5641         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5642         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5643         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5644         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5645         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5646         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5647         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5648         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5649 }
5650
5651 /* conf file stuff */
5652 #define SWM_CONF_FILE           "spectrwm.conf"
5653 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5654
5655 enum {
5656         SWM_S_BAR_ACTION,
5657         SWM_S_BAR_AT_BOTTOM,
5658         SWM_S_BAR_BORDER_WIDTH,
5659         SWM_S_BAR_DELAY,
5660         SWM_S_BAR_ENABLED,
5661         SWM_S_BAR_FONT,
5662         SWM_S_BAR_FORMAT,
5663         SWM_S_BAR_JUSTIFY,
5664         SWM_S_BORDER_WIDTH,
5665         SWM_S_CLOCK_ENABLED,
5666         SWM_S_CLOCK_FORMAT,
5667         SWM_S_CYCLE_EMPTY,
5668         SWM_S_CYCLE_VISIBLE,
5669         SWM_S_DIALOG_RATIO,
5670         SWM_S_DISABLE_BORDER,
5671         SWM_S_FOCUS_CLOSE,
5672         SWM_S_FOCUS_CLOSE_WRAP,
5673         SWM_S_FOCUS_DEFAULT,
5674         SWM_S_FOCUS_MODE,
5675         SWM_S_SPAWN_ORDER,
5676         SWM_S_SPAWN_TERM,
5677         SWM_S_SS_APP,
5678         SWM_S_SS_ENABLED,
5679         SWM_S_STACK_ENABLED,
5680         SWM_S_TERM_WIDTH,
5681         SWM_S_TITLE_CLASS_ENABLED,
5682         SWM_S_TITLE_NAME_ENABLED,
5683         SWM_S_URGENT_ENABLED,
5684         SWM_S_VERBOSE_LAYOUT,
5685         SWM_S_WINDOW_NAME_ENABLED,
5686         SWM_S_WORKSPACE_LIMIT
5687 };
5688
5689 int
5690 setconfvalue(char *selector, char *value, int flags)
5691 {
5692         int     i;
5693         char    *b;
5694
5695         switch (flags) {
5696         case SWM_S_BAR_ACTION:
5697                 free(bar_argv[0]);
5698                 if ((bar_argv[0] = strdup(value)) == NULL)
5699                         err(1, "setconfvalue: bar_action");
5700                 break;
5701         case SWM_S_BAR_AT_BOTTOM:
5702                 bar_at_bottom = atoi(value);
5703                 break;
5704         case SWM_S_BAR_BORDER_WIDTH:
5705                 bar_border_width = atoi(value);
5706                 if (bar_border_width < 0)
5707                         bar_border_width = 0;
5708                 break;
5709         case SWM_S_BAR_DELAY:
5710                 bar_delay = atoi(value);
5711                 break;
5712         case SWM_S_BAR_ENABLED:
5713                 bar_enabled = atoi(value);
5714                 break;
5715         case SWM_S_BAR_FONT:
5716                 b = bar_fonts;
5717                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5718                         err(1, "setconfvalue: asprintf: failed to allocate "
5719                                 "memory for bar_fonts.");
5720
5721                 free(b);
5722                 break;
5723         case SWM_S_BAR_FORMAT:
5724                 free(bar_format);
5725                 if ((bar_format = strdup(value)) == NULL)
5726                         err(1, "setconfvalue: bar_format");
5727                 break;
5728         case SWM_S_BAR_JUSTIFY:
5729                 if (!strcmp(value, "left"))
5730                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5731                 else if (!strcmp(value, "center"))
5732                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5733                 else if (!strcmp(value, "right"))
5734                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5735                 else
5736                         errx(1, "invalid bar_justify");
5737                 break;
5738         case SWM_S_BORDER_WIDTH:
5739                 border_width = atoi(value);
5740                 if (border_width < 0)
5741                         border_width = 0;
5742                 break;
5743         case SWM_S_CLOCK_ENABLED:
5744                 clock_enabled = atoi(value);
5745                 break;
5746         case SWM_S_CLOCK_FORMAT:
5747 #ifndef SWM_DENY_CLOCK_FORMAT
5748                 free(clock_format);
5749                 if ((clock_format = strdup(value)) == NULL)
5750                         err(1, "setconfvalue: clock_format");
5751 #endif
5752                 break;
5753         case SWM_S_CYCLE_EMPTY:
5754                 cycle_empty = atoi(value);
5755                 break;
5756         case SWM_S_CYCLE_VISIBLE:
5757                 cycle_visible = atoi(value);
5758                 break;
5759         case SWM_S_DIALOG_RATIO:
5760                 dialog_ratio = atof(value);
5761                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5762                         dialog_ratio = .6;
5763                 break;
5764         case SWM_S_DISABLE_BORDER:
5765                 disable_border = atoi(value);
5766                 break;
5767         case SWM_S_FOCUS_CLOSE:
5768                 if (!strcmp(value, "first"))
5769                         focus_close = SWM_STACK_BOTTOM;
5770                 else if (!strcmp(value, "last"))
5771                         focus_close = SWM_STACK_TOP;
5772                 else if (!strcmp(value, "next"))
5773                         focus_close = SWM_STACK_ABOVE;
5774                 else if (!strcmp(value, "previous"))
5775                         focus_close = SWM_STACK_BELOW;
5776                 else
5777                         errx(1, "focus_close");
5778                 break;
5779         case SWM_S_FOCUS_CLOSE_WRAP:
5780                 focus_close_wrap = atoi(value);
5781                 break;
5782         case SWM_S_FOCUS_DEFAULT:
5783                 if (!strcmp(value, "last"))
5784                         focus_default = SWM_STACK_TOP;
5785                 else if (!strcmp(value, "first"))
5786                         focus_default = SWM_STACK_BOTTOM;
5787                 else
5788                         errx(1, "focus_default");
5789                 break;
5790         case SWM_S_FOCUS_MODE:
5791                 if (!strcmp(value, "default"))
5792                         focus_mode = SWM_FOCUS_DEFAULT;
5793                 else if (!strcmp(value, "follow_cursor"))
5794                         focus_mode = SWM_FOCUS_FOLLOW;
5795                 else if (!strcmp(value, "synergy"))
5796                         focus_mode = SWM_FOCUS_SYNERGY;
5797                 else
5798                         errx(1, "focus_mode");
5799                 break;
5800         case SWM_S_SPAWN_ORDER:
5801                 if (!strcmp(value, "first"))
5802                         spawn_position = SWM_STACK_BOTTOM;
5803                 else if (!strcmp(value, "last"))
5804                         spawn_position = SWM_STACK_TOP;
5805                 else if (!strcmp(value, "next"))
5806                         spawn_position = SWM_STACK_ABOVE;
5807                 else if (!strcmp(value, "previous"))
5808                         spawn_position = SWM_STACK_BELOW;
5809                 else
5810                         errx(1, "spawn_position");
5811                 break;
5812         case SWM_S_SPAWN_TERM:
5813                 setconfspawn("term", value, 0);
5814                 setconfspawn("spawn_term", value, 0);
5815                 break;
5816         case SWM_S_SS_APP:
5817                 break;
5818         case SWM_S_SS_ENABLED:
5819                 ss_enabled = atoi(value);
5820                 break;
5821         case SWM_S_STACK_ENABLED:
5822                 stack_enabled = atoi(value);
5823                 break;
5824         case SWM_S_TERM_WIDTH:
5825                 term_width = atoi(value);
5826                 if (term_width < 0)
5827                         term_width = 0;
5828                 break;
5829         case SWM_S_TITLE_CLASS_ENABLED:
5830                 title_class_enabled = atoi(value);
5831                 break;
5832         case SWM_S_TITLE_NAME_ENABLED:
5833                 title_name_enabled = atoi(value);
5834                 break;
5835         case SWM_S_URGENT_ENABLED:
5836                 urgent_enabled = atoi(value);
5837                 break;
5838         case SWM_S_VERBOSE_LAYOUT:
5839                 verbose_layout = atoi(value);
5840                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5841                         if (verbose_layout)
5842                                 layouts[i].l_string = fancy_stacker;
5843                         else
5844                                 layouts[i].l_string = plain_stacker;
5845                 }
5846                 break;
5847         case SWM_S_WINDOW_NAME_ENABLED:
5848                 window_name_enabled = atoi(value);
5849                 break;
5850         case SWM_S_WORKSPACE_LIMIT:
5851                 workspace_limit = atoi(value);
5852                 if (workspace_limit > SWM_WS_MAX)
5853                         workspace_limit = SWM_WS_MAX;
5854                 else if (workspace_limit < 1)
5855                         workspace_limit = 1;
5856                 break;
5857         default:
5858                 return (1);
5859         }
5860         return (0);
5861 }
5862
5863 int
5864 setconfmodkey(char *selector, char *value, int flags)
5865 {
5866         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5867                 update_modkey(Mod1Mask);
5868         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5869                 update_modkey(Mod2Mask);
5870         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5871                 update_modkey(Mod3Mask);
5872         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5873                 update_modkey(Mod4Mask);
5874         else
5875                 return (1);
5876         return (0);
5877 }
5878
5879 int
5880 setconfcolor(char *selector, char *value, int flags)
5881 {
5882         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5883         return (0);
5884 }
5885
5886 int
5887 setconfregion(char *selector, char *value, int flags)
5888 {
5889         custom_region(value);
5890         return (0);
5891 }
5892
5893 int
5894 setautorun(char *selector, char *value, int flags)
5895 {
5896         int                     ws_id;
5897         char                    s[1024];
5898         char                    *ap, *sp = s;
5899         union arg               a;
5900         int                     argc = 0;
5901         pid_t                   pid;
5902         struct pid_e            *p;
5903
5904         if (getenv("SWM_STARTED"))
5905                 return (0);
5906
5907         bzero(s, sizeof s);
5908         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5909                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5910         ws_id--;
5911         if (ws_id < 0 || ws_id >= workspace_limit)
5912                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5913
5914         /*
5915          * This is a little intricate
5916          *
5917          * If the pid already exists we simply reuse it because it means it was
5918          * used before AND not claimed by manage_window.  We get away with
5919          * altering it in the parent after INSERT because this can not be a race
5920          */
5921         a.argv = NULL;
5922         while ((ap = strsep(&sp, " \t")) != NULL) {
5923                 if (*ap == '\0')
5924                         continue;
5925                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5926                 argc++;
5927                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5928                         err(1, "setautorun: realloc");
5929                 a.argv[argc - 1] = ap;
5930         }
5931
5932         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5933                 err(1, "setautorun: realloc");
5934         a.argv[argc] = NULL;
5935
5936         if ((pid = fork()) == 0) {
5937                 spawn(ws_id, &a, 1);
5938                 /* NOTREACHED */
5939                 _exit(1);
5940         }
5941         free(a.argv);
5942
5943         /* parent */
5944         p = find_pid(pid);
5945         if (p == NULL) {
5946                 p = calloc(1, sizeof *p);
5947                 if (p == NULL)
5948                         return (1);
5949                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5950         }
5951
5952         p->pid = pid;
5953         p->ws = ws_id;
5954
5955         return (0);
5956 }
5957
5958 int
5959 setlayout(char *selector, char *value, int flags)
5960 {
5961         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5962         int                     st = SWM_V_STACK, num_screens;
5963         char                    s[1024];
5964         struct workspace        *ws;
5965
5966         if (getenv("SWM_STARTED"))
5967                 return (0);
5968
5969         bzero(s, sizeof s);
5970         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5971             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5972                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5973                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5974                     "<type>'");
5975         ws_id--;
5976         if (ws_id < 0 || ws_id >= workspace_limit)
5977                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5978
5979         if (!strcasecmp(s, "vertical"))
5980                 st = SWM_V_STACK;
5981         else if (!strcasecmp(s, "vertical_flip")) {
5982                 st = SWM_V_STACK;
5983                 f = 1;
5984         } else if (!strcasecmp(s, "horizontal"))
5985                 st = SWM_H_STACK;
5986         else if (!strcasecmp(s, "horizontal_flip")) {
5987                 st = SWM_H_STACK;
5988                 f = 1;
5989         } else if (!strcasecmp(s, "fullscreen"))
5990                 st = SWM_MAX_STACK;
5991         else
5992                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5993                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5994                     "<type>'");
5995
5996         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5997         for (i = 0; i < num_screens; i++) {
5998                 ws = (struct workspace *)&screens[i].ws;
5999                 ws[ws_id].cur_layout = &layouts[st];
6000
6001                 ws[ws_id].always_raise = raise;
6002                 if (st == SWM_MAX_STACK)
6003                         continue;
6004
6005                 /* master grow */
6006                 for (x = 0; x < abs(mg); x++) {
6007                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6008                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6009                             SWM_ARG_ID_MASTERSHRINK);
6010                         stack();
6011                 }
6012                 /* master add */
6013                 for (x = 0; x < abs(ma); x++) {
6014                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6015                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6016                             SWM_ARG_ID_MASTERDEL);
6017                         stack();
6018                 }
6019                 /* stack inc */
6020                 for (x = 0; x < abs(si); x++) {
6021                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6022                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6023                             SWM_ARG_ID_STACKDEC);
6024                         stack();
6025                 }
6026                 /* Apply flip */
6027                 if (f) {
6028                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6029                             SWM_ARG_ID_FLIPLAYOUT);
6030                         stack();
6031                 }
6032         }
6033
6034         return (0);
6035 }
6036
6037 /* config options */
6038 struct config_option {
6039         char                    *optname;
6040         int                     (*func)(char*, char*, int);
6041         int                     funcflags;
6042 };
6043 struct config_option configopt[] = {
6044         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6045         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6046         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6047         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6048         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6049         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6050         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6051         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6052         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6053         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6054         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6055         { "keyboard_mapping",           setkeymapping,  0 },
6056         { "bind",                       setconfbinding, 0 },
6057         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6058         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6059         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6060         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6061         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6062         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6063         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6064         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6065         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6066         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6067         { "modkey",                     setconfmodkey,  0 },
6068         { "program",                    setconfspawn,   0 },
6069         { "quirk",                      setconfquirk,   0 },
6070         { "region",                     setconfregion,  0 },
6071         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6072         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6073         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6074         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6075         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6076         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6077         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6078         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6079         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6080         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6081         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6082         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6083         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6084         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6085         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6086         { "autorun",                    setautorun,     0 },
6087         { "layout",                     setlayout,      0 },
6088 };
6089
6090
6091 int
6092 conf_load(char *filename, int keymapping)
6093 {
6094         FILE                    *config;
6095         char                    *line, *cp, *optsub, *optval;
6096         size_t                  linelen, lineno = 0;
6097         int                     wordlen, i, optind;
6098         struct config_option    *opt;
6099
6100         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6101
6102         if (filename == NULL) {
6103                 warnx("conf_load: no filename");
6104                 return (1);
6105         }
6106         if ((config = fopen(filename, "r")) == NULL) {
6107                 warn("conf_load: fopen: %s", filename);
6108                 return (1);
6109         }
6110
6111         while (!feof(config)) {
6112                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6113                     == NULL) {
6114                         if (ferror(config))
6115                                 err(1, "%s", filename);
6116                         else
6117                                 continue;
6118                 }
6119                 cp = line;
6120                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6121                 if (cp[0] == '\0') {
6122                         /* empty line */
6123                         free(line);
6124                         continue;
6125                 }
6126                 /* get config option */
6127                 wordlen = strcspn(cp, "=[ \t\n");
6128                 if (wordlen == 0) {
6129                         warnx("%s: line %zd: no option found",
6130                             filename, lineno);
6131                         goto out;
6132                 }
6133                 optind = -1;
6134                 for (i = 0; i < LENGTH(configopt); i++) {
6135                         opt = &configopt[i];
6136                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6137                             strlen(opt->optname) == wordlen) {
6138                                 optind = i;
6139                                 break;
6140                         }
6141                 }
6142                 if (optind == -1) {
6143                         warnx("%s: line %zd: unknown option %.*s",
6144                             filename, lineno, wordlen, cp);
6145                         goto out;
6146                 }
6147                 if (keymapping && strcmp(opt->optname, "bind")) {
6148                         warnx("%s: line %zd: invalid option %.*s",
6149                             filename, lineno, wordlen, cp);
6150                         goto out;
6151                 }
6152                 cp += wordlen;
6153                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6154                 /* get [selector] if any */
6155                 optsub = NULL;
6156                 if (*cp == '[') {
6157                         cp++;
6158                         wordlen = strcspn(cp, "]");
6159                         if (*cp != ']') {
6160                                 if (wordlen == 0) {
6161                                         warnx("%s: line %zd: syntax error",
6162                                             filename, lineno);
6163                                         goto out;
6164                                 }
6165
6166                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6167                                     -1) {
6168                                         warnx("%s: line %zd: unable to allocate"
6169                                             "memory for selector", filename,
6170                                             lineno);
6171                                         goto out;
6172                                 }
6173                         }
6174                         cp += wordlen;
6175                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6176                 }
6177                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6178                 /* get RHS value */
6179                 optval = strdup(cp);
6180                 /* call function to deal with it all */
6181                 if (configopt[optind].func(optsub, optval,
6182                     configopt[optind].funcflags) != 0)
6183                         errx(1, "%s: line %zd: invalid data for %s",
6184                             filename, lineno, configopt[optind].optname);
6185                 free(optval);
6186                 free(optsub);
6187                 free(line);
6188         }
6189
6190         fclose(config);
6191         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6192
6193         return (0);
6194
6195 out:
6196         free(line);
6197         fclose(config);
6198         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6199
6200         return (1);
6201 }
6202
6203 void
6204 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6205 {
6206         struct ws_win           *parent, *w;
6207         struct swm_region       *r;
6208         struct workspace        *ws;
6209         xcb_icccm_wm_hints_t    wmh;
6210
6211         parent = find_window(win->transient);
6212         if (parent)
6213                 parent->child_trans = win;
6214         else {
6215                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6216                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6217
6218                 r = root_to_region(win->wa->root);
6219                 ws = r->ws;
6220                 /* parent doen't exist in our window list */
6221                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6222                         if (xcb_icccm_get_wm_hints_reply(conn,
6223                             xcb_icccm_get_wm_hints(conn, w->id),
6224                             &wmh, NULL) != 1) {
6225                                 warnx("can't get hints for 0x%x", w->id);
6226                                 continue;
6227                         }
6228
6229                         if (win->hints.window_group != wmh.window_group)
6230                                 continue;
6231
6232                         w->child_trans = win;
6233                         win->transient = w->id;
6234                         *trans = w->id;
6235                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6236                             "transient to 0x%x\n", win->transient);
6237                         break;
6238                 }
6239         }
6240 }
6241
6242 pid_t
6243 window_get_pid(xcb_window_t win)
6244 {
6245         pid_t                           ret = 0;
6246         const char                      *errstr;
6247         xcb_atom_t                      apid;
6248         xcb_get_property_cookie_t       pc;
6249         xcb_get_property_reply_t        *pr;
6250
6251         apid = get_atom_from_string("_NET_WM_PID");
6252         if (apid == XCB_ATOM_NONE)
6253                 goto tryharder;
6254
6255         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6256         pr = xcb_get_property_reply(conn, pc, NULL);
6257         if (!pr)
6258                 goto tryharder;
6259         if (pr->type != XCB_ATOM_CARDINAL) {
6260                 free(pr);
6261                 goto tryharder;
6262         }
6263
6264         ret = *((pid_t *)xcb_get_property_value(pr));
6265         free(pr);
6266
6267         return (ret);
6268
6269 tryharder:
6270         apid = get_atom_from_string("_SWM_PID");
6271         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6272             0, SWM_PROPLEN);
6273         pr = xcb_get_property_reply(conn, pc, NULL);
6274         if (!pr)
6275                 return (0);
6276         if (pr->type != XCB_ATOM_STRING) {
6277                 free(pr);
6278                 return (0);
6279         }
6280
6281         ret = strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6282         free(pr);
6283
6284         return (ret);
6285 }
6286
6287 struct ws_win *
6288 manage_window(xcb_window_t id)
6289 {
6290         xcb_window_t            trans = XCB_WINDOW_NONE;
6291         struct workspace        *ws;
6292         struct ws_win           *win, *ww;
6293         int                     i, ws_idx, border_me = 0;
6294         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6295         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6296         size_t                  proplen;
6297         struct swm_region       *r;
6298         const char              *errstr;
6299         struct pid_e            *p;
6300         struct quirk            *qp;
6301         uint32_t                event_mask;
6302         xcb_atom_t              prot;
6303         xcb_get_property_reply_t        *gpr;
6304         xcb_icccm_get_wm_protocols_reply_t      wpr;
6305
6306         if ((win = find_window(id)) != NULL)
6307                 return (win);   /* already being managed */
6308
6309         /* see if we are on the unmanaged list */
6310         if ((win = find_unmanaged_window(id)) != NULL) {
6311                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6312                     "window: 0x%x\n", win->id);
6313                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6314                 if (win->transient)
6315                         set_child_transient(win, &trans);
6316
6317                 if (trans && (ww = find_window(trans)))
6318                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6319                 else if ((ww = win->ws->focus) &&
6320                     spawn_position == SWM_STACK_ABOVE)
6321                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6322                             win, entry);
6323                 else if (ww && spawn_position == SWM_STACK_BELOW)
6324                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6325                 else switch (spawn_position) {
6326                 default:
6327                 case SWM_STACK_TOP:
6328                 case SWM_STACK_ABOVE:
6329                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6330                         break;
6331                 case SWM_STACK_BOTTOM:
6332                 case SWM_STACK_BELOW:
6333                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6334                 }
6335
6336                 ewmh_update_actions(win);
6337                 return (win);
6338         }
6339
6340         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6341                 err(1, "manage_window: calloc: failed to allocate memory for "
6342                     "new window");
6343
6344         win->id = id;
6345         win->bordered = 0;
6346
6347         /* see if we need to override the workspace */
6348         p = find_pid(window_get_pid(id));
6349
6350         /* Get all the window data in one shot */
6351         ws_idx_atom = get_atom_from_string("_SWM_WS");
6352         if (ws_idx_atom) {
6353                 gpr = xcb_get_property_reply(conn,
6354                         xcb_get_property(conn, False, id, ws_idx_atom,
6355                             XCB_ATOM_STRING, 0, SWM_PROPLEN),
6356                         NULL);
6357                 if (gpr) {
6358                         proplen = xcb_get_property_value_length(gpr);
6359                         if (proplen > 0) {
6360                                 prop = malloc(proplen + 1);
6361                                 if (prop) {
6362                                         memcpy(prop,
6363                                             xcb_get_property_value(gpr),
6364                                             proplen);
6365                                         prop[proplen] = '\0';
6366                                 }
6367                         }
6368                         free(gpr);
6369                 }
6370         }
6371         win->wa = xcb_get_geometry_reply(conn,
6372             xcb_get_geometry(conn, id),
6373             NULL);
6374         xcb_icccm_get_wm_normal_hints_reply(conn,
6375             xcb_icccm_get_wm_normal_hints(conn, id),
6376             &win->sh, NULL);
6377         xcb_icccm_get_wm_hints_reply(conn,
6378             xcb_icccm_get_wm_hints(conn, id),
6379             &win->hints, NULL);
6380         xcb_icccm_get_wm_transient_for_reply(conn,
6381             xcb_icccm_get_wm_transient_for(conn, id),
6382             &trans, NULL);
6383         if (trans) {
6384                 win->transient = trans;
6385                 set_child_transient(win, &trans);
6386                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6387                     "transient: 0x%x\n", win->id, win->transient);
6388         }
6389
6390         prot = get_atom_from_string("WM_PROTOCOLS");
6391
6392         /* get supported protocols */
6393         if (xcb_icccm_get_wm_protocols_reply(conn,
6394             xcb_icccm_get_wm_protocols(conn, id, prot),
6395             &wpr, NULL)) {
6396                 for (i = 0; i < wpr.atoms_len; i++) {
6397                         if (wpr.atoms[i] == takefocus)
6398                                 win->take_focus = 1;
6399                         if (wpr.atoms[i] == adelete)
6400                                 win->can_delete = 1;
6401                 }
6402                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6403         }
6404
6405         win->iconic = get_iconic(win);
6406
6407         /*
6408          * Figure out where to put the window. If it was previously assigned to
6409          * a workspace (either by spawn() or manually moving), and isn't
6410          * transient, * put it in the same workspace
6411          */
6412         r = root_to_region(win->wa->root);
6413         if (p) {
6414                 ws = &r->s->ws[p->ws];
6415                 TAILQ_REMOVE(&pidlist, p, entry);
6416                 free(p);
6417                 p = NULL;
6418         } else if (prop && win->transient == 0) {
6419                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6420                 ws_idx = strtonum(prop, 0, workspace_limit - 1,
6421                     &errstr);
6422                 if (errstr) {
6423                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6424                             errstr, prop);
6425                 }
6426                 ws = &r->s->ws[ws_idx];
6427         } else {
6428                 ws = r->ws;
6429                 /* this should launch transients in the same ws as parent */
6430                 if (id && trans)
6431                         if ((ww = find_window(trans)) != NULL)
6432                                 if (ws->r) {
6433                                         ws = ww->ws;
6434                                         if (ww->ws->r)
6435                                                 r = ww->ws->r;
6436                                         else
6437                                                 warnx("manage_window: fix this "
6438                                                     "bug mcbride");
6439                                         border_me = 1;
6440                                 }
6441         }
6442
6443         /* set up the window layout */
6444         win->id = id;
6445         win->ws = ws;
6446         win->s = r->s;  /* this never changes */
6447         if (trans && (ww = find_window(trans)))
6448                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6449         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6450                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6451                     entry);
6452         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6453                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6454         else switch (spawn_position) {
6455         default:
6456         case SWM_STACK_TOP:
6457         case SWM_STACK_ABOVE:
6458                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6459                 break;
6460         case SWM_STACK_BOTTOM:
6461         case SWM_STACK_BELOW:
6462                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6463         }
6464
6465         /* ignore window border if there is one. */
6466         WIDTH(win) = win->wa->width;
6467         HEIGHT(win) = win->wa->height;
6468         X(win) = win->wa->x + win->wa->border_width;
6469         Y(win) = win->wa->y + win->wa->border_width;
6470         win->bordered = 0;
6471         win->g_floatvalid = 0;
6472         win->floatmaxed = 0;
6473         win->ewmh_flags = 0;
6474
6475         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6476             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6477             HEIGHT(win), ws->idx);
6478
6479         constrain_window(win, r, 0);
6480
6481         /* Set window properties so we can remember this after reincarnation */
6482         if (ws_idx_atom && prop == NULL &&
6483             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6484                 SWM_PROPLEN) {
6485                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6486                     ws_idx_str);
6487                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6488                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6489                     ws_idx_str);
6490         }
6491         if (prop)
6492                 free(prop);
6493
6494         ewmh_autoquirk(win);
6495
6496         if (xcb_icccm_get_wm_class_reply(conn,
6497             xcb_icccm_get_wm_class(conn, win->id),
6498             &win->ch, NULL)) {
6499                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6500                     win->ch.class_name, win->ch.instance_name);
6501
6502                 /* java is retarded so treat it special */
6503                 if (strstr(win->ch.instance_name, "sun-awt")) {
6504                         win->java = 1;
6505                         border_me = 1;
6506                 }
6507
6508                 TAILQ_FOREACH(qp, &quirks, entry) {
6509                         if (!strcmp(win->ch.class_name, qp->class) &&
6510                             !strcmp(win->ch.instance_name, qp->name)) {
6511                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6512                                     "class: %s, name: %s\n", win->ch.class_name,
6513                                     win->ch.instance_name);
6514                                 if (qp->quirk & SWM_Q_FLOAT) {
6515                                         win->floating = 1;
6516                                         border_me = 1;
6517                                 }
6518                                 win->quirks = qp->quirk;
6519                         }
6520                 }
6521         }
6522
6523         /* alter window position if quirky */
6524         if (win->quirks & SWM_Q_ANYWHERE) {
6525                 win->manual = 1; /* don't center the quirky windows */
6526                 if (bar_enabled && Y(win) < bar_height)
6527                         Y(win) = bar_height;
6528                 if (WIDTH(win) + X(win) > WIDTH(r))
6529                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6530                 border_me = 1;
6531         }
6532
6533         /* Reset font sizes (the bruteforce way; no default keybinding). */
6534         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6535                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6536                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6537                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6538                         fake_keypress(win, XK_KP_Add, ShiftMask);
6539         }
6540
6541         ewmh_get_win_state(win);
6542         ewmh_update_actions(win);
6543         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6544
6545         /* border me */
6546         if (border_me) {
6547                 win->bordered = 1;
6548                 X(win) -= border_width;
6549                 Y(win) -= border_width;
6550                 update_window(win);
6551         }
6552
6553         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6554             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6555
6556         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6557
6558         /* floaters need to be mapped if they are in the current workspace */
6559         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6560                 map_window_raised(win->id);
6561
6562         return (win);
6563 }
6564
6565 void
6566 free_window(struct ws_win *win)
6567 {
6568         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6569
6570         if (win == NULL)
6571                 return;
6572
6573         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6574
6575         if (win->wa)
6576                 free(win->wa);
6577
6578         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6579
6580         kill_refs(win);
6581
6582         /* paint memory */
6583         memset(win, 0xff, sizeof *win); /* XXX kill later */
6584
6585         free(win);
6586         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6587 }
6588
6589 void
6590 unmanage_window(struct ws_win *win)
6591 {
6592         struct ws_win           *parent;
6593         xcb_screen_t            *screen;
6594
6595         if (win == NULL)
6596                 return;
6597
6598         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6599
6600         if (win->transient) {
6601                 parent = find_window(win->transient);
6602                 if (parent)
6603                         parent->child_trans = NULL;
6604         }
6605
6606         /* focus on root just in case */
6607         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6608         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6609             screen->root, XCB_CURRENT_TIME);
6610
6611         focus_prev(win);
6612
6613         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6614         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6615 }
6616
6617 void
6618 focus_magic(struct ws_win *win)
6619 {
6620         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6621
6622         if (win == NULL) {
6623                 /* if there are no windows clear the status-bar */
6624                 bar_update();
6625                 return;
6626         }
6627
6628         if (win->child_trans) {
6629                 /* win = parent & has a transient so focus on that */
6630                 if (win->java) {
6631                         focus_win(win->child_trans);
6632                         if (win->child_trans->take_focus)
6633                                 client_msg(win, takefocus);
6634                 } else {
6635                         /* make sure transient hasn't disappeared */
6636                         if (validate_win(win->child_trans) == 0) {
6637                                 focus_win(win->child_trans);
6638                                 if (win->child_trans->take_focus)
6639                                         client_msg(win->child_trans, takefocus);
6640                         } else {
6641                                 win->child_trans = NULL;
6642                                 focus_win(win);
6643                                 if (win->take_focus)
6644                                         client_msg(win, takefocus);
6645                         }
6646                 }
6647         } else {
6648                 /* regular focus */
6649                 focus_win(win);
6650                 if (win->take_focus)
6651                         client_msg(win, takefocus);
6652         }
6653 }
6654
6655 void
6656 expose(xcb_expose_event_t *e)
6657 {
6658         int                     i, num_screens;
6659         struct swm_region       *r;
6660
6661         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6662
6663         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6664         for (i = 0; i < num_screens; i++)
6665                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6666                         if (e->window == WINID(r->bar))
6667                                 bar_update();
6668
6669         xcb_flush(conn);
6670 }
6671
6672 void
6673 keypress(xcb_key_press_event_t *e)
6674 {
6675         KeySym                  keysym;
6676         struct key              *kp;
6677
6678         keysym = XkbKeycodeToKeysym(display, (KeyCode)e->detail, 0, 0);
6679
6680         DNPRINTF(SWM_D_EVENT, "keypress: %u\n", e->detail);
6681
6682         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6683                 return;
6684
6685         if (kp->funcid == KF_SPAWN_CUSTOM)
6686                 spawn_custom(root_to_region(e->root),
6687                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
6688         else if (keyfuncs[kp->funcid].func)
6689                 keyfuncs[kp->funcid].func(root_to_region(e->root),
6690                     &(keyfuncs[kp->funcid].args));
6691 }
6692
6693 void
6694 buttonpress(xcb_button_press_event_t *e)
6695 {
6696         struct ws_win           *win;
6697         int                     i, action;
6698
6699         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
6700             e->event, e->detail);
6701
6702         if ((win = find_window(e->event)) == NULL)
6703                 return;
6704
6705         focus_magic(win);
6706         action = client_click;
6707
6708         for (i = 0; i < LENGTH(buttons); i++)
6709                 if (action == buttons[i].action && buttons[i].func &&
6710                     buttons[i].button == e->detail &&
6711                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6712                         buttons[i].func(win, &buttons[i].args);
6713
6714         xcb_flush(conn);
6715 }
6716
6717 void
6718 configurerequest(xcb_configure_request_event_t *e)
6719 {
6720         struct ws_win           *win;
6721         int                     new = 0, i = 0;
6722         uint16_t                mask = 0;
6723         uint32_t                wc[7] = {0};
6724
6725         if ((win = find_window(e->window)) == NULL)
6726                 if ((win = find_unmanaged_window(e->window)) == NULL)
6727                         new = 1;
6728
6729         if (new) {
6730                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6731                         mask |= XCB_CONFIG_WINDOW_X;
6732                         wc[i++] = e->x;
6733                 }
6734                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6735                         mask |= XCB_CONFIG_WINDOW_Y;
6736                         wc[i++] = e->y;
6737                 }
6738                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6739                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6740                         wc[i++] = e->width;
6741                 }
6742                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6743                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6744                         wc[i++] = e->height;
6745                 }
6746                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6747                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6748                         wc[i++] = e->border_width;
6749                 }
6750                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6751                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6752                         wc[i++] = e->sibling;
6753                 }
6754                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6755                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6756                         wc[i++] = e->stack_mode;
6757                 }
6758
6759                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6760                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", e->window,
6761                     YESNO(new), wc[0], wc[1], wc[2], wc[3]);
6762
6763                 xcb_configure_window(conn, e->window, mask, wc);
6764         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6765             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6766                 win->g_float.x = e->x - X(win->ws->r);
6767                 win->g_float.y = e->y - Y(win->ws->r);
6768                 win->g_float.w = e->width;
6769                 win->g_float.h = e->height;
6770                 win->g_floatvalid = 1;
6771
6772                 if (win->floating) {
6773                         win->g = win->g_float;
6774                         win->g.x += X(win->ws->r);
6775                         win->g.y += Y(win->ws->r);
6776                         update_window(win);
6777                 } else {
6778                         config_win(win, e);
6779                 }
6780         } else {
6781                 config_win(win, e);
6782         }
6783
6784         xcb_flush(conn);
6785 }
6786
6787 void
6788 configurenotify(xcb_configure_notify_event_t *e)
6789 {
6790         struct ws_win           *win;
6791
6792         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
6793             e->window);
6794
6795         win = find_window(e->window);
6796         if (win) {
6797                 xcb_icccm_get_wm_normal_hints_reply(conn,
6798                     xcb_icccm_get_wm_normal_hints(conn, win->id),
6799                     &win->sh, NULL);
6800                 adjust_font(win);
6801                 if (font_adjusted)
6802                         stack();
6803         }
6804 }
6805
6806 void
6807 destroynotify(xcb_destroy_notify_event_t *e)
6808 {
6809         struct ws_win           *win;
6810
6811         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
6812
6813         if ((win = find_window(e->window)) == NULL) {
6814                 if ((win = find_unmanaged_window(e->window)) == NULL)
6815                         return;
6816                 free_window(win);
6817                 return;
6818         }
6819
6820         /* make sure we focus on something */
6821         win->floating = 0;
6822
6823         unmanage_window(win);
6824         stack();
6825         free_window(win);
6826 }
6827
6828 void
6829 enternotify(xcb_enter_notify_event_t *e)
6830 {
6831         struct ws_win           *win;
6832         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %d, detail: "
6833             "%d, root: 0x%x, subwindow: 0x%x, same_screen_focus: %s, "
6834             "state: %d\n", e->event, e->mode, e->detail, e->root,
6835             e->child, YESNO(e->same_screen_focus), e->state);
6836
6837         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
6838                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6839                     "cursor grab.\n");
6840                 return;
6841         }
6842
6843         switch (focus_mode) {
6844         case SWM_FOCUS_DEFAULT:
6845                 break;
6846         case SWM_FOCUS_FOLLOW:
6847                 break;
6848         case SWM_FOCUS_SYNERGY:
6849                 break;
6850         }
6851
6852         if ((win = find_window(e->event)) == NULL) {
6853                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6854                 return;
6855         }
6856
6857         focus_magic(win);
6858
6859         xcb_flush(conn);
6860 }
6861
6862 /* lets us use one switch statement for arbitrary mode/detail combinations */
6863 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6864
6865 void
6866 mapnotify(xcb_map_notify_event_t *e)
6867 {
6868         struct ws_win           *win;
6869
6870         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
6871
6872         win = manage_window(e->window);
6873         if (win)
6874                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
6875
6876         /*
6877          * focus_win can only set input focus on a mapped window.
6878          * make sure the window really has focus since it is just being mapped.
6879          */
6880         if (win->ws->focus == win)
6881                 focus_win(win);
6882 }
6883
6884 void
6885 mappingnotify(xcb_mapping_notify_event_t *e)
6886 {
6887         xcb_refresh_keyboard_mapping(syms, e);
6888
6889         if (e->request == XCB_MAPPING_KEYBOARD)
6890                 grabkeys();
6891 }
6892
6893 void
6894 maprequest(xcb_map_request_event_t *e)
6895 {
6896         struct ws_win           *win;
6897         struct swm_region       *r;
6898         xcb_get_window_attributes_reply_t *war;
6899
6900         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
6901             e->window);
6902
6903         war = xcb_get_window_attributes_reply(conn,
6904             xcb_get_window_attributes(conn, e->window),
6905             NULL);
6906         if (!war)
6907                 return;
6908         if (war->override_redirect) {
6909                 free(war);
6910                 return;
6911         }
6912         free(war);
6913
6914         win = manage_window(e->window);
6915         if (win == NULL) {
6916                 return; /* can't happen */
6917         }
6918
6919         stack();
6920
6921         /* make new win focused */
6922         r = root_to_region(win->wa->root);
6923         if (win->ws == r->ws)
6924                 focus_magic(win);
6925 }
6926
6927 void
6928 propertynotify(xcb_property_notify_event_t *e)
6929 {
6930         struct ws_win           *win;
6931 #ifdef SWM_DEBUG
6932         char                            *name;
6933         size_t                          len;
6934         xcb_get_atom_name_reply_t       *r;
6935
6936         r = xcb_get_atom_name_reply(conn,
6937             xcb_get_atom_name(conn, e->atom),
6938             NULL);
6939         if (r) {
6940                 len = xcb_get_atom_name_name_length(r);
6941                 if (len > 0) {
6942                         name = malloc(len + 1);
6943                         if (name) {
6944                                 memcpy(name, xcb_get_atom_name_name(r), len);
6945                                 name[len] = '\0';
6946
6947                                 DNPRINTF(SWM_D_EVENT,
6948                                     "propertynotify: window: 0x%x, atom: %s\n",
6949                                     e->window, name);
6950                                 free(name);
6951                         }
6952                 }
6953                 free(r);
6954         }
6955 #endif
6956
6957         win = find_window(e->window);
6958         if (win == NULL)
6959                 return;
6960
6961         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
6962                 update_iconic(win, 0);
6963                 map_window_raised(win->id);
6964                 stack();
6965                 focus_win(win);
6966                 return;
6967         }
6968
6969         switch (e->atom) {
6970         case XCB_ATOM_WM_CLASS:
6971         case XCB_ATOM_WM_NAME:
6972                 bar_update();
6973                 break;
6974         default:
6975                 break;
6976         }
6977 }
6978
6979 void
6980 unmapnotify(xcb_unmap_notify_event_t *e)
6981 {
6982         struct ws_win           *win;
6983
6984         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
6985
6986         /* determine if we need to help unmanage this window */
6987         win = find_window(e->window);
6988         if (win == NULL)
6989                 return;
6990
6991         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
6992                 unmanage_window(win);
6993                 stack();
6994
6995                 /* resend unmap because we ated it */
6996                 xcb_unmap_window(conn, e->window);
6997                 xcb_flush(conn);
6998         }
6999 }
7000
7001 /*void
7002 visibilitynotify(xcb_visibility_notify_event_t *e)
7003 {
7004         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7005             e->window);
7006 }*/
7007
7008 void
7009 clientmessage(xcb_client_message_event_t *e)
7010 {
7011         struct ws_win *win;
7012
7013         win = find_window(e->window);
7014         if (win == NULL)
7015                 return;
7016         }
7017
7018         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, type: %u\n",
7019             e->window, e->type);
7020
7021         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7022                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7023                 focus_win(win);
7024         }
7025         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7026                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7027                 if (win->can_delete)
7028                         client_msg(win, adelete);
7029                 else
7030                         xcb_kill_client(conn, win->id);
7031         }
7032         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7033                 DNPRINTF(SWM_D_EVENT,
7034                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7035                 if (win->floating) {
7036                         if (e->data.data32[0] & (1<<8)) /* x */
7037                                 X(win) = e->data.data32[1];
7038                         if (e->data.data32[0] & (1<<9)) /* y */
7039                                 Y(win) = e->data.data32[2];
7040                         if (e->data.data32[0] & (1<<10)) /* width */
7041                                 WIDTH(win) = e->data.data32[3];
7042                         if (e->data.data32[0] & (1<<11)) /* height */
7043                                 HEIGHT(win) = e->data.data32[4];
7044
7045                         update_window(win);
7046                 }
7047                 else {
7048                         /* TODO: Change stack sizes */
7049                         /* notify no change was made. */
7050                         config_win(win, NULL);
7051                 }
7052         }
7053         if (e->type == ewmh[_NET_WM_STATE].atom) {
7054                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7055                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7056                 if (e->data.data32[2])
7057                         ewmh_update_win_state(win, e->data.data32[2],
7058                             e->data.data32[0]);
7059
7060                 stack();
7061         }
7062
7063         xcb_flush(conn);
7064 }
7065
7066 int
7067 xerror_start(Display *d, XErrorEvent *ee)
7068 {
7069         other_wm = 1;
7070         return (-1);
7071 }
7072
7073 int
7074 xerror(Display *d, XErrorEvent *ee)
7075 {
7076         /* warnx("error: %p %p", display, ee); */
7077         return (-1);
7078 }
7079
7080 int
7081 active_wm(void)
7082 {
7083         other_wm = 0;
7084         xerrorxlib = XSetErrorHandler(xerror_start);
7085
7086         /* this causes an error if some other window manager is running */
7087         XSelectInput(display, DefaultRootWindow(display),
7088             SubstructureRedirectMask);
7089         do_sync();
7090         if (other_wm)
7091                 return (1);
7092
7093         XSetErrorHandler(xerror);
7094         do_sync();
7095         return (0);
7096 }
7097
7098 void
7099 new_region(struct swm_screen *s, int x, int y, int w, int h)
7100 {
7101         struct swm_region       *r, *n;
7102         struct workspace        *ws = NULL;
7103         int                     i;
7104
7105         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7106              s->idx, w, h, x, y);
7107
7108         /* remove any conflicting regions */
7109         n = TAILQ_FIRST(&s->rl);
7110         while (n) {
7111                 r = n;
7112                 n = TAILQ_NEXT(r, entry);
7113                 if (X(r) < (x + w) &&
7114                     (X(r) + WIDTH(r)) > x &&
7115                     Y(r) < (y + h) &&
7116                     (Y(r) + HEIGHT(r)) > y) {
7117                         if (r->ws->r != NULL)
7118                                 r->ws->old_r = r->ws->r;
7119                         r->ws->r = NULL;
7120                         bar_cleanup(r);
7121                         TAILQ_REMOVE(&s->rl, r, entry);
7122                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7123                 }
7124         }
7125
7126         /* search old regions for one to reuse */
7127
7128         /* size + location match */
7129         TAILQ_FOREACH(r, &s->orl, entry)
7130                 if (X(r) == x && Y(r) == y &&
7131                     HEIGHT(r) == h && WIDTH(r) == w)
7132                         break;
7133
7134         /* size match */
7135         TAILQ_FOREACH(r, &s->orl, entry)
7136                 if (HEIGHT(r) == h && WIDTH(r) == w)
7137                         break;
7138
7139         if (r != NULL) {
7140                 TAILQ_REMOVE(&s->orl, r, entry);
7141                 /* try to use old region's workspace */
7142                 if (r->ws->r == NULL)
7143                         ws = r->ws;
7144         } else
7145                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7146                         err(1, "new_region: calloc: failed to allocate memory "
7147                             "for screen");
7148
7149         /* if we don't have a workspace already, find one */
7150         if (ws == NULL) {
7151                 for (i = 0; i < workspace_limit; i++)
7152                         if (s->ws[i].r == NULL) {
7153                                 ws = &s->ws[i];
7154                                 break;
7155                         }
7156         }
7157
7158         if (ws == NULL)
7159                 errx(1, "new_region: no free workspaces");
7160
7161         X(r) = x;
7162         Y(r) = y;
7163         WIDTH(r) = w;
7164         HEIGHT(r) = h;
7165         r->s = s;
7166         r->ws = ws;
7167         r->ws_prior = NULL;
7168         ws->r = r;
7169         outputs++;
7170         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7171 }
7172
7173 void
7174 scan_xrandr(int i)
7175 {
7176 #ifdef SWM_XRR_HAS_CRTC
7177         int                                             c;
7178         int                                             ncrtc = 0;
7179 #endif /* SWM_XRR_HAS_CRTC */
7180         struct swm_region                               *r;
7181         int                                             num_screens;
7182         xcb_randr_get_screen_resources_current_cookie_t src;
7183         xcb_randr_get_screen_resources_current_reply_t  *srr;
7184         xcb_randr_get_crtc_info_cookie_t                cic;
7185         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7186         xcb_randr_crtc_t                                *crtc;
7187         xcb_screen_t                                    *screen = get_screen(i);
7188
7189         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7190         if (i >= num_screens)
7191                 errx(1, "scan_xrandr: invalid screen");
7192
7193         /* remove any old regions */
7194         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7195                 r->ws->old_r = r->ws->r = NULL;
7196                 bar_cleanup(r);
7197                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7198                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7199         }
7200         outputs = 0;
7201
7202         /* map virtual screens onto physical screens */
7203 #ifdef SWM_XRR_HAS_CRTC
7204         if (xrandr_support) {
7205                 src = xcb_randr_get_screen_resources_current(conn,
7206                     screens[i].root);
7207                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7208                     NULL);
7209                 if (srr == NULL) {
7210                         new_region(&screens[i], 0, 0,
7211                             screen->width_in_pixels,
7212                             screen->height_in_pixels);
7213                         return;
7214                 } else
7215                         ncrtc = srr->num_crtcs;
7216                 for (c = 0; c < ncrtc; c++) {
7217                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7218                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7219                             XCB_CURRENT_TIME);
7220                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7221                         if (cir == NULL)
7222                                 continue;
7223                         if (cir->num_outputs == 0) {
7224                                 free(cir);
7225                                 continue;
7226                         }
7227
7228                         if (cir->mode == 0)
7229                                 new_region(&screens[i], 0, 0,
7230                                     screen->width_in_pixels,
7231                                     screen->height_in_pixels);
7232                         else
7233                                 new_region(&screens[i],
7234                                     cir->x, cir->y, cir->width, cir->height);
7235                         free(cir);
7236                 }
7237                 free(srr);
7238         } else
7239 #endif /* SWM_XRR_HAS_CRTC */
7240         {
7241                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7242                     screen->height_in_pixels);
7243         }
7244 }
7245
7246 void
7247 screenchange(xcb_randr_screen_change_notify_event_t *e)
7248 {
7249         struct swm_region               *r;
7250         int                             i, num_screens;
7251
7252         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7253
7254         if (e->rotation & (XCB_RANDR_ROTATION_ROTATE_90
7255             | XCB_RANDR_ROTATION_ROTATE_270))
7256                 xcb_randr_set_screen_size(conn, e->root, e->height,
7257                     e->width, e->mheight, e->mwidth);
7258         else
7259                 xcb_randr_set_screen_size(conn, e->root, e->width,
7260                     e->height, e->mwidth, e->mheight);
7261
7262         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7263         /* silly event doesn't include the screen index */
7264         for (i = 0; i < num_screens; i++)
7265                 if (screens[i].root == e->root)
7266                         break;
7267         if (i >= num_screens)
7268                 errx(1, "screenchange: screen not found");
7269
7270         /* brute force for now, just re-enumerate the regions */
7271         scan_xrandr(i);
7272
7273         /* add bars to all regions */
7274         for (i = 0; i < num_screens; i++)
7275                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7276                         bar_setup(r);
7277         stack();
7278 }
7279
7280 void
7281 grab_windows(void)
7282 {
7283         xcb_window_t            *wins   = NULL;
7284         int                     no;
7285         int                     i, j, num_screens;
7286         uint16_t                state, manage;
7287
7288         xcb_query_tree_cookie_t                 qtc;
7289         xcb_query_tree_reply_t                  *qtr;
7290         xcb_get_window_attributes_cookie_t      c;
7291         xcb_get_window_attributes_reply_t       *r;
7292         xcb_get_property_cookie_t               pc;
7293
7294         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7295         for (i = 0; i < num_screens; i++) {
7296                 qtc = xcb_query_tree(conn, screens[i].root);
7297                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7298                 if (!qtr)
7299                         continue;
7300                 wins = xcb_query_tree_children(qtr);
7301                 no = xcb_query_tree_children_length(qtr);
7302                 /* attach windows to a region */
7303                 /* normal windows */
7304                 for (j = 0; j < no; j++) {
7305                         c = xcb_get_window_attributes(conn, wins[j]);
7306                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7307                         if (!r)
7308                                 continue;
7309                         if (r->override_redirect) {
7310                                 free(r);
7311                                 continue;
7312                         }
7313
7314                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7315                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7316                             &wins[j], NULL)) {
7317                                 free(r);
7318                                 continue;
7319                         }
7320
7321                         state = getstate(wins[j]);
7322                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7323                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7324                                 manage_window(wins[j]);
7325                         free(r);
7326                 }
7327                 /* transient windows */
7328                 for (j = 0; j < no; j++) {
7329                         c = xcb_get_window_attributes(conn, wins[j]);
7330                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7331                         if (!r)
7332                                 continue;
7333                         if (r->override_redirect) {
7334                                 free(r);
7335                                 continue;
7336                         }
7337                         free(r);
7338
7339                         state = getstate(wins[j]);
7340                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7341                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7342                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7343                             &wins[j], NULL) && manage)
7344                                 manage_window(wins[j]);
7345                 }
7346                 free(qtr);
7347         }
7348 }
7349
7350 void
7351 setup_screens(void)
7352 {
7353         int                     i, j, k, num_screens;
7354         struct workspace        *ws;
7355         uint32_t                gcv[1], wa[1];
7356         const xcb_query_extension_reply_t *qep;
7357         xcb_cursor_t                            cursor;
7358         xcb_font_t                              cursor_font;
7359         xcb_randr_query_version_cookie_t        c;
7360         xcb_randr_query_version_reply_t         *r;
7361
7362         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7363         if ((screens = calloc(num_screens,
7364              sizeof(struct swm_screen))) == NULL)
7365                 err(1, "setup_screens: calloc: failed to allocate memory for "
7366                     "screens");
7367
7368         /* initial Xrandr setup */
7369         xrandr_support = False;
7370         c = xcb_randr_query_version(conn, True, True);
7371         r = xcb_randr_query_version_reply(conn, c, NULL);
7372         if (r) {
7373                 if (r->major_version >= 1)
7374                         xrandr_support = True;
7375                 free(r);
7376         }
7377         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7378         xrandr_eventbase = qep->first_event;
7379
7380         cursor_font = xcb_generate_id(conn);
7381         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7382
7383         cursor = xcb_generate_id(conn);
7384         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7385                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7386         wa[0] = cursor;
7387
7388         /* map physical screens */
7389         for (i = 0; i < num_screens; i++) {
7390                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7391                 screens[i].idx = i;
7392                 TAILQ_INIT(&screens[i].rl);
7393                 TAILQ_INIT(&screens[i].orl);
7394                 screens[i].root = RootWindow(display, i);
7395
7396                 /* set default colors */
7397                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7398                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7399                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7400                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7401                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7402
7403                 /* create graphics context on screen */
7404                 screens[i].bar_gc = xcb_generate_id(conn);
7405                 gcv[0] = 0;
7406                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7407                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7408
7409                 /* set default cursor */
7410                 xcb_change_window_attributes(conn, screens[i].root,
7411                     XCB_CW_CURSOR, wa);
7412
7413                 /* init all workspaces */
7414                 /* XXX these should be dynamically allocated too */
7415                 for (j = 0; j < SWM_WS_MAX; j++) {
7416                         ws = &screens[i].ws[j];
7417                         ws->idx = j;
7418                         ws->name = NULL;
7419                         ws->focus = NULL;
7420                         ws->r = NULL;
7421                         ws->old_r = NULL;
7422                         TAILQ_INIT(&ws->winlist);
7423                         TAILQ_INIT(&ws->unmanagedlist);
7424
7425                         for (k = 0; layouts[k].l_stack != NULL; k++)
7426                                 if (layouts[k].l_config != NULL)
7427                                         layouts[k].l_config(ws,
7428                                             SWM_ARG_ID_STACKINIT);
7429                         ws->cur_layout = &layouts[0];
7430                         ws->cur_layout->l_string(ws);
7431                 }
7432
7433                 scan_xrandr(i);
7434
7435                 if (xrandr_support)
7436                         xcb_randr_select_input(conn, screens[i].root,
7437                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7438         }
7439         xcb_free_cursor(conn, cursor);
7440         xcb_close_font(conn, cursor_font);
7441 }
7442
7443 void
7444 setup_globals(void)
7445 {
7446         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7447                 err(1, "setup_globals: strdup: failed to allocate memory.");
7448
7449         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7450                 err(1, "setup_globals: strdup: failed to allocate memory.");
7451 }
7452
7453 void
7454 workaround(void)
7455 {
7456         int                     i, num_screens;
7457         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7458         xcb_window_t            root, win;
7459         uint32_t                wa[2];
7460
7461         /* work around sun jdk bugs, code from wmname */
7462         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7463         netwmname = get_atom_from_string("_NET_WM_NAME");
7464         utf8_string = get_atom_from_string("UTF8_STRING");
7465
7466         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7467         for (i = 0; i < num_screens; i++) {
7468                 root = screens[i].root;
7469
7470                 win = xcb_generate_id(conn);
7471                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7472                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7473                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7474                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7475                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7476
7477                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7478                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7479                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7480                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7481                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7482                     netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7483         }
7484 }
7485
7486 void
7487 event_error(xcb_generic_error_t *e)
7488 {
7489         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
7490             "resource_id: %u, minor_code: %u\n",
7491             xcb_event_get_error_label(e->error_code), e->error_code,
7492             xcb_event_get_request_label(e->major_code), e->major_code,
7493             e->sequence, e->resource_id, e->minor_code);
7494 }
7495
7496 void
7497 event_handle(xcb_generic_event_t *evt)
7498 {
7499         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7500
7501         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
7502             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
7503             XCB_EVENT_RESPONSE_TYPE(evt));
7504
7505         switch (type) {
7506 #define EVENT(type, callback) case type: callback((void *)evt); return
7507         EVENT(0, event_error);
7508         EVENT(XCB_BUTTON_PRESS, buttonpress);
7509         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7510         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
7511         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
7512         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7513         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
7514         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7515         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7516         /*EVENT(XCB_CREATE_NOTIFY, );*/
7517         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7518         EVENT(XCB_ENTER_NOTIFY, enternotify);
7519         EVENT(XCB_EXPOSE, expose);
7520         /*EVENT(XCB_FOCUS_IN, );*/
7521         /*EVENT(XCB_FOCUS_OUT, );*/
7522         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
7523         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
7524         EVENT(XCB_KEY_PRESS, keypress);
7525         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7526         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
7527         /*EVENT(XCB_LEAVE_NOTIFY, );*/
7528         EVENT(XCB_MAP_NOTIFY, mapnotify);
7529         EVENT(XCB_MAP_REQUEST, maprequest);
7530         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7531         /*EVENT(XCB_MOTION_NOTIFY, );*/
7532         /*EVENT(XCB_NO_EXPOSURE, );*/
7533         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7534         /*EVENT(XCB_REPARENT_NOTIFY, );*/
7535         /*EVENT(XCB_RESIZE_REQUEST, );*/
7536         /*EVENT(XCB_SELECTION_CLEAR, );*/
7537         /*EVENT(XCB_SELECTION_NOTIFY, );*/
7538         /*EVENT(XCB_SELECTION_REQUEST, );*/
7539         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7540         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
7541 #undef EVENT
7542         }
7543         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7544                 screenchange((void *)evt);
7545 }
7546
7547 int
7548 main(int argc, char *argv[])
7549 {
7550         struct swm_region       *r, *rr;
7551         struct ws_win           *winfocus = NULL;
7552         union arg               a;
7553         char                    conf[PATH_MAX], *cfile = NULL;
7554         struct stat             sb;
7555         int                     xfd, i, num_screens;
7556         struct sigaction        sact;
7557         xcb_generic_event_t     *evt;
7558         struct timeval          tv;
7559         fd_set                  rd;
7560
7561         time_started = time(NULL);
7562
7563         start_argv = argv;
7564         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7565         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7566             !XSupportsLocale())
7567                 warnx("no locale support");
7568
7569         if (!X_HAVE_UTF8_STRING)
7570                 warnx("no UTF-8 support");
7571
7572         if (!(display = XOpenDisplay(0)))
7573                 errx(1, "can not open display");
7574
7575         /* handle some signals */
7576         bzero(&sact, sizeof(sact));
7577         sigemptyset(&sact.sa_mask);
7578         sact.sa_flags = 0;
7579         sact.sa_handler = sighdlr;
7580         sigaction(SIGINT, &sact, NULL);
7581         sigaction(SIGQUIT, &sact, NULL);
7582         sigaction(SIGTERM, &sact, NULL);
7583         sigaction(SIGHUP, &sact, NULL);
7584
7585         sact.sa_handler = sighdlr;
7586         sact.sa_flags = SA_NOCLDSTOP;
7587         sigaction(SIGCHLD, &sact, NULL);
7588
7589         conn = XGetXCBConnection(display);
7590         if (xcb_connection_has_error(conn))
7591                 errx(1, "can not get XCB connection");
7592
7593         xfd = xcb_get_file_descriptor(conn);
7594         syms = xcb_key_symbols_alloc(conn);
7595         if (!syms)
7596                 errx(1, "unable to allocate key symbols");
7597
7598         astate = get_atom_from_string("WM_STATE");
7599         aprot = get_atom_from_string("WM_PROTOCOLS");
7600         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7601         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7602         a_wmname = get_atom_from_string("WM_NAME");
7603         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7604         a_utf8_string = get_atom_from_string("UTF8_STRING");
7605         a_string = get_atom_from_string("STRING");
7606         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7607
7608         /* look for local and global conf file */
7609         pwd = getpwuid(getuid());
7610         if (pwd == NULL)
7611                 errx(1, "invalid user: %d", getuid());
7612
7613         xcb_grab_server(conn);
7614         xcb_aux_sync(conn);
7615
7616         /* flush all events */
7617         while ((evt = xcb_poll_for_event(conn))) {
7618                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
7619                         event_handle(evt);
7620                 free(evt);
7621         }
7622
7623         if (active_wm())
7624                 errx(1, "other wm running");
7625
7626         xcb_aux_sync(conn);
7627
7628         setup_globals();
7629         setup_screens();
7630         setup_keys();
7631         setup_quirks();
7632         setup_spawn();
7633
7634         /* load config */
7635         for (i = 0; ; i++) {
7636                 conf[0] = '\0';
7637                 switch (i) {
7638                 case 0:
7639                         /* ~ */
7640                         snprintf(conf, sizeof conf, "%s/.%s",
7641                             pwd->pw_dir, SWM_CONF_FILE);
7642                         break;
7643                 case 1:
7644                         /* global */
7645                         snprintf(conf, sizeof conf, "/etc/%s",
7646                             SWM_CONF_FILE);
7647                         break;
7648                 case 2:
7649                         /* ~ compat */
7650                         snprintf(conf, sizeof conf, "%s/.%s",
7651                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7652                         break;
7653                 case 3:
7654                         /* global compat */
7655                         snprintf(conf, sizeof conf, "/etc/%s",
7656                             SWM_CONF_FILE_OLD);
7657                         break;
7658                 default:
7659                         goto noconfig;
7660                 }
7661
7662                 if (strlen(conf) && stat(conf, &sb) != -1)
7663                         if (S_ISREG(sb.st_mode)) {
7664                                 cfile = conf;
7665                                 break;
7666                         }
7667         }
7668 noconfig:
7669
7670         /* load conf (if any) */
7671         if (cfile)
7672                 conf_load(cfile, SWM_CONF_DEFAULT);
7673
7674         setup_ewmh();
7675         /* set some values to work around bad programs */
7676         workaround();
7677         /* grab existing windows (before we build the bars) */
7678         grab_windows();
7679
7680         if (getenv("SWM_STARTED") == NULL)
7681                 setenv("SWM_STARTED", "YES", 1);
7682
7683         /* setup all bars */
7684         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7685         for (i = 0; i < num_screens; i++)
7686                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7687                         if (winfocus == NULL)
7688                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7689                         bar_setup(r);
7690                 }
7691
7692         //unfocus_all();
7693
7694         grabkeys();
7695         stack();
7696
7697         xcb_ungrab_server(conn);
7698         xcb_flush(conn);
7699
7700         while (running) {
7701                 while ((evt = xcb_poll_for_event(conn))) {
7702                         if (running == 0)
7703                                 goto done;
7704                         event_handle(evt);
7705                         free(evt);
7706                 }
7707
7708                 /* if we are being restarted go focus on first window */
7709                 if (winfocus) {
7710                         rr = winfocus->ws->r;
7711                         if (rr == NULL) {
7712                                 /* not a visible window */
7713                                 winfocus = NULL;
7714                                 continue;
7715                         }
7716                         /* move pointer to first screen if multi screen */
7717                         if (num_screens > 1 || outputs > 1)
7718                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7719                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
7720                                     Y(rr) + (bar_enabled ? bar_height : 0));
7721
7722                         a.id = SWM_ARG_ID_FOCUSCUR;
7723                         focus(rr, &a);
7724                         winfocus = NULL;
7725                         continue;
7726                 }
7727
7728                 FD_ZERO(&rd);
7729                 FD_SET(xfd, &rd);
7730                 tv.tv_sec = 1;
7731                 tv.tv_usec = 0;
7732                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7733                         if (errno != EINTR)
7734                                 DNPRINTF(SWM_D_MISC, "select failed");
7735                 if (restart_wm == 1)
7736                         restart(NULL, NULL);
7737                 if (search_resp == 1)
7738                         search_do_resp();
7739                 if (running == 0)
7740                         goto done;
7741                 if (bar_alarm) {
7742                         bar_alarm = 0;
7743                         bar_update();
7744                 }
7745         }
7746 done:
7747         teardown_ewmh();
7748         bar_extra_stop();
7749
7750         for (i = 0; i < num_screens; ++i)
7751                 if (screens[i].bar_gc != 0)
7752                         xcb_free_gc(conn, screens[i].bar_gc);
7753         XFreeFontSet(display, bar_fs);
7754
7755         xcb_key_symbols_free(syms);
7756         xcb_disconnect(conn);
7757
7758         return (0);
7759 }