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/extensions/Xrandr.h>
  92 #include <X11/Xft/Xft.h>
  93 #include <X11/Xlib-xcb.h>
  94 #include <xcb/xcb_atom.h>
  95 #include <xcb/xcb_aux.h>
  96 #include <xcb/xcb_event.h>
  97 #include <xcb/xcb_icccm.h>
  98 #include <xcb/xcb_keysyms.h>
  99 #include <xcb/xtest.h>
 100 #include <xcb/randr.h>
 101
 102 /* local includes */
 103 #include "version.h"
 104 #ifdef __OSX__
 105 #include <osx.h>
 106 #endif
 107
 108 #ifdef SPECTRWM_BUILDSTR
 109 static const char       *buildstr = SPECTRWM_BUILDSTR;
 110 #else
 111 static const char       *buildstr = SPECTRWM_VERSION;
 112 #endif
 113
 114 #if RANDR_MAJOR < 1
 115 #  error XRandR versions less than 1.0 are not supported
 116 #endif
 117
 118 #if RANDR_MAJOR >= 1
 119 #if RANDR_MINOR >= 2
 120 #define SWM_XRR_HAS_CRTC
 121 #endif
 122 #endif
 123
 124 #if defined(__OpenBSD__)
 125 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 126 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 127 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 128 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 129 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 130 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 131 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 132 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 133 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 134 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 135 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 136 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 137 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 138 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 139 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 140 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 141 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 142 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 143 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 144 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 145 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 146 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 147 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 148 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 149 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 150 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 151 #endif
 152
 153 #define SWM_DEBUG
 154 #ifdef SWM_DEBUG
 155 #define DPRINTF(x...) do {                                                      \
 156         if (swm_debug)                                                          \
 157                 fprintf(stderr, x);                                             \
 158 } while (0)
 159 #define DNPRINTF(n,x...) do {                                                   \
 160         if (swm_debug & n) {                                                    \
 161                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 162                 fprintf(stderr, x);                                             \
 163         }                                                                       \
 164 } while (0)
 165 #define SWM_D_MISC              0x0001
 166 #define SWM_D_EVENT             0x0002
 167 #define SWM_D_WS                0x0004
 168 #define SWM_D_FOCUS             0x0008
 169 #define SWM_D_MOVE              0x0010
 170 #define SWM_D_STACK             0x0020
 171 #define SWM_D_MOUSE             0x0040
 172 #define SWM_D_PROP              0x0080
 173 #define SWM_D_CLASS             0x0100
 174 #define SWM_D_KEY               0x0200
 175 #define SWM_D_QUIRK             0x0400
 176 #define SWM_D_SPAWN             0x0800
 177 #define SWM_D_EVENTQ            0x1000
 178 #define SWM_D_CONF              0x2000
 179 #define SWM_D_BAR               0x4000
 180 #define SWM_D_INIT              0x8000
 181
 182 u_int32_t               swm_debug = 0
 183                             | SWM_D_MISC
 184                             | SWM_D_EVENT
 185                             | SWM_D_WS
 186                             | SWM_D_FOCUS
 187                             | SWM_D_MOVE
 188                             | SWM_D_STACK
 189                             | SWM_D_MOUSE
 190                             | SWM_D_PROP
 191                             | SWM_D_CLASS
 192                             | SWM_D_KEY
 193                             | SWM_D_QUIRK
 194                             | SWM_D_SPAWN
 195                             | SWM_D_EVENTQ
 196                             | SWM_D_CONF
 197                             | SWM_D_BAR
 198                             | SWM_D_INIT
 199                             ;
 200 #else
 201 #define DPRINTF(x...)
 202 #define DNPRINTF(n,x...)
 203 #endif
 204
 205 #define LENGTH(x)               (int)(sizeof x / sizeof x[0])
 206 #define MODKEY                  Mod1Mask
 207 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 208 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 209 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 210 #define SWM_PROPLEN             (16)
 211 #define SWM_FUNCNAME_LEN        (32)
 212 #define SWM_KEYS_LEN            (255)
 213 #define SWM_QUIRK_LEN           (64)
 214 #define X(r)                    (r)->g.x
 215 #define Y(r)                    (r)->g.y
 216 #define WIDTH(r)                (r)->g.w
 217 #define HEIGHT(r)               (r)->g.h
 218 #define BORDER(w)               (w->bordered ? border_width : 0)
 219 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 220 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 221 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 222 #define SH_MIN_W(w)             (w)->sh.min_width
 223 #define SH_MIN_H(w)             (w)->sh.min_height
 224 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 225 #define SH_MAX_W(w)             (w)->sh.max_width
 226 #define SH_MAX_H(w)             (w)->sh.max_height
 227 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 228 #define SH_INC_W(w)             (w)->sh.width_inc
 229 #define SH_INC_H(w)             (w)->sh.height_inc
 230 #define SWM_MAX_FONT_STEPS      (3)
 231 #define WINID(w)                ((w) ? (w)->id : 0)
 232 #define YESNO(x)                ((x) ? "yes" : "no")
 233
 234 #define SWM_FOCUS_DEFAULT       (0)
 235 #define SWM_FOCUS_SYNERGY       (1)
 236 #define SWM_FOCUS_FOLLOW        (2)
 237
 238 #define SWM_CONF_DEFAULT        (0)
 239 #define SWM_CONF_KEYMAPPING     (1)
 240
 241 #ifndef SWM_LIB
 242 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 243 #endif
 244
 245 char                    **start_argv;
 246 xcb_atom_t              a_state;
 247 xcb_atom_t              a_prot;
 248 xcb_atom_t              a_delete;
 249 xcb_atom_t              a_takefocus;
 250 xcb_atom_t              a_wmname;
 251 xcb_atom_t              a_netwmname;
 252 xcb_atom_t              a_utf8_string;
 253 xcb_atom_t              a_string;
 254 xcb_atom_t              a_swm_iconic;
 255 volatile sig_atomic_t   running = 1;
 256 volatile sig_atomic_t   restart_wm = 0;
 257 int                     outputs = 0;
 258 /*int                   last_focus_event = FocusOut;*/
 259 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 260 int                     other_wm;
 261 int                     ss_enabled = 0;
 262 int                     xrandr_support;
 263 int                     xrandr_eventbase;
 264 unsigned int            numlockmask = 0;
 265
 266 Display                 *display;
 267 xcb_connection_t        *conn;
 268 xcb_key_symbols_t       *syms;
 269
 270 int                     cycle_empty = 0;
 271 int                     cycle_visible = 0;
 272 int                     term_width = 0;
 273 int                     font_adjusted = 0;
 274 unsigned int            mod_key = MODKEY;
 275
 276 /* dmenu search */
 277 struct swm_region       *search_r;
 278 int                     select_list_pipe[2];
 279 int                     select_resp_pipe[2];
 280 pid_t                   searchpid;
 281 volatile sig_atomic_t   search_resp;
 282 int                     search_resp_action;
 283
 284 struct search_window {
 285         TAILQ_ENTRY(search_window)      entry;
 286         int                             idx;
 287         struct ws_win                   *win;
 288         xcb_gcontext_t                  gc;
 289         xcb_window_t                    indicator;
 290 };
 291 TAILQ_HEAD(search_winlist, search_window);
 292 struct search_winlist                   search_wl;
 293
 294 /* search actions */
 295 enum {
 296         SWM_SEARCH_NONE,
 297         SWM_SEARCH_UNICONIFY,
 298         SWM_SEARCH_NAME_WORKSPACE,
 299         SWM_SEARCH_SEARCH_WORKSPACE,
 300         SWM_SEARCH_SEARCH_WINDOW
 301 };
 302
 303 #define SWM_STACK_TOP           (0)
 304 #define SWM_STACK_BOTTOM        (1)
 305 #define SWM_STACK_ABOVE         (2)
 306 #define SWM_STACK_BELOW         (3)
 307
 308 /* dialog windows */
 309 double                  dialog_ratio = 0.6;
 310 /* status bar */
 311 #define SWM_BAR_MAX             (256)
 312 #define SWM_BAR_JUSTIFY_LEFT    (0)
 313 #define SWM_BAR_JUSTIFY_CENTER  (1)
 314 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 315 #define SWM_BAR_OFFSET          (4)
 316 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 317                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 318                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 319                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 320                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 321
 322 char                    *bar_argv[] = { NULL, NULL };
 323 int                     bar_pipe[2];
 324 unsigned char           bar_ext[SWM_BAR_MAX];
 325 char                    bar_vertext[SWM_BAR_MAX];
 326 int                     bar_version = 0;
 327 sig_atomic_t            bar_alarm = 0;
 328 int                     bar_delay = 30;
 329 int                     bar_enabled = 1;
 330 int                     bar_border_width = 1;
 331 int                     bar_at_bottom = 0;
 332 int                     bar_extra = 1;
 333 int                     bar_extra_running = 0;
 334 int                     bar_verbose = 1;
 335 int                     bar_height = 0;
 336 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 337 char                    *bar_format = NULL;
 338 int                     stack_enabled = 1;
 339 int                     clock_enabled = 1;
 340 int                     urgent_enabled = 0;
 341 char                    *clock_format = NULL;
 342 int                     title_name_enabled = 0;
 343 int                     title_class_enabled = 0;
 344 int                     window_name_enabled = 0;
 345 int                     focus_mode = SWM_FOCUS_DEFAULT;
 346 int                     focus_close = SWM_STACK_BELOW;
 347 int                     focus_close_wrap = 1;
 348 int                     focus_default = SWM_STACK_TOP;
 349 int                     spawn_position = SWM_STACK_TOP;
 350 int                     disable_border = 0;
 351 int                     border_width = 1;
 352 int                     verbose_layout = 0;
 353 time_t                  time_started;
 354 pid_t                   bar_pid;
 355 XftFont                 *bar_font;
 356 char                    *bar_fonts;
 357 struct passwd           *pwd;
 358
 359 /* layout manager data */
 360 struct swm_geometry {
 361         int                     x;
 362         int                     y;
 363         int                     w;
 364         int                     h;
 365 };
 366
 367 struct swm_screen;
 368 struct workspace;
 369
 370 struct swm_bar {
 371         xcb_window_t            id;
 372         xcb_pixmap_t            buffer;
 373         struct swm_geometry     g;
 374 };
 375
 376 /* virtual "screens" */
 377 struct swm_region {
 378         TAILQ_ENTRY(swm_region) entry;
 379         struct swm_geometry     g;
 380         struct workspace        *ws;    /* current workspace on this region */
 381         struct workspace        *ws_prior; /* prior workspace on this region */
 382         struct swm_screen       *s;     /* screen idx */
 383         struct swm_bar          *bar;
 384 };
 385 TAILQ_HEAD(swm_region_list, swm_region);
 386
 387 struct ws_win {
 388         TAILQ_ENTRY(ws_win)     entry;
 389         xcb_window_t            id;
 390         xcb_window_t            transient;
 391         struct ws_win           *child_trans;   /* transient child window */
 392         struct swm_geometry     g;              /* current geometry */
 393         struct swm_geometry     g_float;        /* region coordinates */
 394         int                     g_floatvalid;   /* g_float geometry validity */
 395         int                     floatmaxed;     /* whether maxed by max_stack */
 396         int                     floating;
 397         int                     manual;
 398         int32_t                 iconic;
 399         int                     bordered;
 400         unsigned int            ewmh_flags;
 401         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 402         int                     font_steps;
 403         int                     last_inc;
 404         int                     can_delete;
 405         int                     take_focus;
 406         int                     java;
 407         unsigned long           quirks;
 408         struct workspace        *ws;    /* always valid */
 409         struct swm_screen       *s;     /* always valid, never changes */
 410         xcb_get_geometry_reply_t        *wa;
 411         xcb_size_hints_t        sh;
 412         xcb_icccm_get_wm_class_reply_t  ch;
 413         xcb_icccm_wm_hints_t    hints;
 414 };
 415 TAILQ_HEAD(ws_win_list, ws_win);
 416
 417 /* pid goo */
 418 struct pid_e {
 419         TAILQ_ENTRY(pid_e)      entry;
 420         pid_t                   pid;
 421         int                     ws;
 422 };
 423 TAILQ_HEAD(pid_list, pid_e);
 424 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 425
 426 /* layout handlers */
 427 void    stack(void);
 428 void    vertical_config(struct workspace *, int);
 429 void    vertical_stack(struct workspace *, struct swm_geometry *);
 430 void    horizontal_config(struct workspace *, int);
 431 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 432 void    max_stack(struct workspace *, struct swm_geometry *);
 433 void    plain_stacker(struct workspace *);
 434 void    fancy_stacker(struct workspace *);
 435
 436 struct layout {
 437         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 438         void            (*l_config)(struct workspace *, int);
 439         u_int32_t       flags;
 440 #define SWM_L_FOCUSPREV         (1<<0)
 441 #define SWM_L_MAPONFOCUS        (1<<1)
 442         void            (*l_string)(struct workspace *);
 443 } layouts[] =  {
 444         /* stack,               configure */
 445         { vertical_stack,       vertical_config,        0,      plain_stacker },
 446         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 447         { max_stack,            NULL,
 448           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 449         { NULL,                 NULL,                   0,      NULL  },
 450 };
 451
 452 /* position of max_stack mode in the layouts array, index into layouts! */
 453 #define SWM_V_STACK             (0)
 454 #define SWM_H_STACK             (1)
 455 #define SWM_MAX_STACK           (2)
 456
 457 #define SWM_H_SLICE             (32)
 458 #define SWM_V_SLICE             (32)
 459
 460 /* define work spaces */
 461 struct workspace {
 462         int                     idx;            /* workspace index */
 463         char                    *name;          /* workspace name */
 464         int                     always_raise;   /* raise windows on focus */
 465         struct layout           *cur_layout;    /* current layout handlers */
 466         struct ws_win           *focus;         /* may be NULL */
 467         struct ws_win           *focus_prev;    /* may be NULL */
 468         struct swm_region       *r;             /* may be NULL */
 469         struct swm_region       *old_r;         /* may be NULL */
 470         struct ws_win_list      winlist;        /* list of windows in ws */
 471         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 472         char                    stacker[10];    /* display stacker and layout */
 473
 474         /* stacker state */
 475         struct {
 476                                 int horizontal_msize;
 477                                 int horizontal_mwin;
 478                                 int horizontal_stacks;
 479                                 int horizontal_flip;
 480                                 int vertical_msize;
 481                                 int vertical_mwin;
 482                                 int vertical_stacks;
 483                                 int vertical_flip;
 484         } l_state;
 485 };
 486
 487 enum {
 488         SWM_S_COLOR_BAR,
 489         SWM_S_COLOR_BAR_BORDER,
 490         SWM_S_COLOR_BAR_FONT,
 491         SWM_S_COLOR_FOCUS,
 492         SWM_S_COLOR_UNFOCUS,
 493         SWM_S_COLOR_MAX
 494 };
 495
 496 /* physical screen mapping */
 497 #define SWM_WS_MAX              (22)    /* hard limit */
 498 int             workspace_limit = 10;   /* soft limit */
 499
 500 struct swm_screen {
 501         int                     idx;    /* screen index */
 502         struct swm_region_list  rl;     /* list of regions on this screen */
 503         struct swm_region_list  orl;    /* list of old regions */
 504         xcb_window_t            root;
 505         struct workspace        ws[SWM_WS_MAX];
 506
 507         /* colors */
 508         struct {
 509                 uint32_t        color;
 510                 char            *name;
 511         } c[SWM_S_COLOR_MAX];
 512
 513         xcb_gcontext_t          bar_gc;
 514 };
 515 struct swm_screen       *screens;
 516
 517 /* args to functions */
 518 union arg {
 519         int                     id;
 520 #define SWM_ARG_ID_FOCUSNEXT    (0)
 521 #define SWM_ARG_ID_FOCUSPREV    (1)
 522 #define SWM_ARG_ID_FOCUSMAIN    (2)
 523 #define SWM_ARG_ID_FOCUSCUR     (4)
 524 #define SWM_ARG_ID_SWAPNEXT     (10)
 525 #define SWM_ARG_ID_SWAPPREV     (11)
 526 #define SWM_ARG_ID_SWAPMAIN     (12)
 527 #define SWM_ARG_ID_MOVELAST     (13)
 528 #define SWM_ARG_ID_MASTERSHRINK (20)
 529 #define SWM_ARG_ID_MASTERGROW   (21)
 530 #define SWM_ARG_ID_MASTERADD    (22)
 531 #define SWM_ARG_ID_MASTERDEL    (23)
 532 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 533 #define SWM_ARG_ID_STACKRESET   (30)
 534 #define SWM_ARG_ID_STACKINIT    (31)
 535 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 536 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 537 #define SWM_ARG_ID_CYCLESC_UP   (42)
 538 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 539 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 540 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 541 #define SWM_ARG_ID_STACKINC     (50)
 542 #define SWM_ARG_ID_STACKDEC     (51)
 543 #define SWM_ARG_ID_SS_ALL       (60)
 544 #define SWM_ARG_ID_SS_WINDOW    (61)
 545 #define SWM_ARG_ID_DONTCENTER   (70)
 546 #define SWM_ARG_ID_CENTER       (71)
 547 #define SWM_ARG_ID_KILLWINDOW   (80)
 548 #define SWM_ARG_ID_DELETEWINDOW (81)
 549 #define SWM_ARG_ID_WIDTHGROW    (90)
 550 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 551 #define SWM_ARG_ID_HEIGHTGROW   (92)
 552 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 553 #define SWM_ARG_ID_MOVEUP       (100)
 554 #define SWM_ARG_ID_MOVEDOWN     (101)
 555 #define SWM_ARG_ID_MOVELEFT     (102)
 556 #define SWM_ARG_ID_MOVERIGHT    (103)
 557         char                    **argv;
 558 };
 559
 560 /* quirks */
 561 struct quirk {
 562         TAILQ_ENTRY(quirk)      entry;
 563         char                    *class;
 564         char                    *name;
 565         unsigned long           quirk;
 566 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 567 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 568 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 569 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 570 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 571 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 572 };
 573 TAILQ_HEAD(quirk_list, quirk);
 574 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 575
 576 /*
 577  * Supported EWMH hints should be added to
 578  * both the enum and the ewmh array
 579  */
 580 enum {
 581         _NET_ACTIVE_WINDOW,
 582         _NET_CLOSE_WINDOW,
 583         _NET_MOVERESIZE_WINDOW,
 584         _NET_WM_ACTION_CLOSE,
 585         _NET_WM_ACTION_FULLSCREEN,
 586         _NET_WM_ACTION_MOVE,
 587         _NET_WM_ACTION_RESIZE,
 588         _NET_WM_ALLOWED_ACTIONS,
 589         _NET_WM_STATE,
 590         _NET_WM_STATE_ABOVE,
 591         _NET_WM_STATE_FULLSCREEN,
 592         _NET_WM_STATE_HIDDEN,
 593         _NET_WM_STATE_MAXIMIZED_HORZ,
 594         _NET_WM_STATE_MAXIMIZED_VERT,
 595         _NET_WM_STATE_SKIP_PAGER,
 596         _NET_WM_STATE_SKIP_TASKBAR,
 597         _NET_WM_WINDOW_TYPE,
 598         _NET_WM_WINDOW_TYPE_DIALOG,
 599         _NET_WM_WINDOW_TYPE_DOCK,
 600         _NET_WM_WINDOW_TYPE_NORMAL,
 601         _NET_WM_WINDOW_TYPE_SPLASH,
 602         _NET_WM_WINDOW_TYPE_TOOLBAR,
 603         _NET_WM_WINDOW_TYPE_UTILITY,
 604         _SWM_WM_STATE_MANUAL,
 605         SWM_EWMH_HINT_MAX
 606 };
 607
 608 struct ewmh_hint {
 609         char            *name;
 610         xcb_atom_t      atom;
 611 } ewmh[SWM_EWMH_HINT_MAX] =     {
 612     /* must be in same order as in the enum */
 613     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 614     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 615     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 616     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 617     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 618     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 619     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 620     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 621     {"_NET_WM_STATE", XCB_ATOM_NONE},
 622     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 623     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 624     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 625     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 626     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 627     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 628     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 629     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 630     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 631     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 632     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 633     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 634     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 635     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 636     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 637 };
 638
 639 /* function prototypes */
 640 xcb_char2b_t *char2b(const char *);
 641 int      conf_load(char *, int);
 642 void     constrain_window(struct ws_win *, struct swm_region *, int);
 643 void     do_sync(void);
 644 void     event_handle(xcb_generic_event_t *);
 645 struct ws_win   *find_window(xcb_window_t);
 646 int      floating_toggle_win(struct ws_win *);
 647 void     focus(struct swm_region *, union arg *);
 648 void     focus_magic(struct ws_win *);
 649 xcb_atom_t get_atom_from_string(const char *);
 650 xcb_screen_t    *get_screen(int);
 651 char    *get_win_name(xcb_window_t);
 652 uint16_t getstate(xcb_window_t);
 653 void     grabbuttons(struct ws_win *, int);
 654 void     map_window_raised(xcb_window_t);
 655 void     new_region(struct swm_screen *, int, int, int, int);
 656 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 657 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 658 void     store_float_geom(struct ws_win *, struct swm_region *);
 659 void     unmanage_window(struct ws_win *);
 660 void     update_window(struct ws_win *);
 661
 662 /* function definitions */
 663 xcb_char2b_t *
 664 char2b(const char *str)
 665 {
 666         xcb_char2b_t    *s;
 667         size_t          i, len;
 668
 669         len = strlen(str);
 670         s = malloc(len * sizeof(xcb_char2b_t));
 671         if (!s)
 672                 return (NULL);
 673
 674         for (i = 0; i < len; i++) {
 675                 s[i].byte1 = '\0';
 676                 s[i].byte2 = str[i];
 677         }
 678
 679         return (s);
 680 }
 681
 682 int
 683 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 684 {
 685         unsigned int    tmpr, tmpg, tmpb;
 686
 687         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 688                 return (-1);
 689
 690         *rr = tmpr << 8;
 691         *gg = tmpg << 8;
 692         *bb = tmpb << 8;
 693
 694         return (0);
 695 }
 696
 697 xcb_screen_t *
 698 get_screen(int screen)
 699 {
 700         xcb_screen_iterator_t i;
 701
 702         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 703         for (; i.rem; --screen, xcb_screen_next(&i))
 704                 if (screen == 0)
 705                         return (i.data);
 706
 707         return (NULL);
 708 }
 709
 710 void
 711 do_sync(void)
 712 {
 713         xcb_get_input_focus_cookie_t    c;
 714         xcb_get_input_focus_reply_t     *r;
 715
 716         /* mimic XSync() */
 717         c = xcb_get_input_focus(conn);
 718         xcb_flush(conn);
 719         r = xcb_get_input_focus_reply(conn, c, NULL);
 720         if (r)
 721                 free(r);
 722 }
 723
 724 void
 725 map_window_raised(xcb_window_t win)
 726 {
 727         uint32_t        val = XCB_STACK_MODE_ABOVE;
 728
 729         xcb_configure_window(conn, win,
 730             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 731
 732         xcb_map_window(conn, win);
 733 }
 734
 735 xcb_atom_t
 736 get_atom_from_string(const char *str)
 737 {
 738         xcb_intern_atom_cookie_t        c;
 739         xcb_intern_atom_reply_t         *r;
 740         xcb_atom_t                      atom;
 741
 742         c = xcb_intern_atom(conn, False, strlen(str), str);
 743         r = xcb_intern_atom_reply(conn, c, NULL);
 744         if (r) {
 745                 atom = r->atom;
 746                 free(r);
 747
 748                 return (atom);
 749         }
 750
 751         return (XCB_ATOM_NONE);
 752 }
 753
 754 void
 755 update_iconic(struct ws_win *win, int newv)
 756 {
 757         int32_t                         v = newv;
 758         xcb_atom_t                      iprop;
 759
 760         win->iconic = newv;
 761
 762         iprop = get_atom_from_string("_SWM_ICONIC");
 763         if (iprop == XCB_ATOM_NONE)
 764                 return;
 765
 766         if (newv)
 767                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 768                     iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 769         else
 770                 xcb_delete_property(conn, win->id, iprop);
 771 }
 772
 773 int32_t
 774 get_iconic(struct ws_win *win)
 775 {
 776         int32_t                         v = 0;
 777         xcb_atom_t                      iprop;
 778         xcb_get_property_reply_t        *pr = NULL;
 779
 780         iprop = get_atom_from_string("_SWM_ICONIC");
 781         if (iprop == XCB_ATOM_NONE)
 782                 goto out;
 783
 784         pr = xcb_get_property_reply(conn,
 785             xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 786             0, 1), NULL);
 787         if (!pr)
 788                 goto out;
 789         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 790                 goto out;
 791         v = *((int32_t *)xcb_get_property_value(pr));
 792 out:
 793         if (pr)
 794                 free(pr);
 795         return (v);
 796 }
 797
 798 void
 799 setup_ewmh(void)
 800 {
 801         xcb_atom_t                      sup_list;
 802         int                             i, j, num_screens;
 803
 804         sup_list = get_atom_from_string("_NET_SUPPORTED");
 805
 806         for (i = 0; i < LENGTH(ewmh); i++)
 807                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 808
 809         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 810         for (i = 0; i < num_screens; i++) {
 811                 /* Support check window will be created by workaround(). */
 812
 813                 /* Report supported atoms */
 814                 xcb_delete_property(conn, screens[i].root, sup_list);
 815                 for (j = 0; j < LENGTH(ewmh); j++)
 816                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 817                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 818                             &ewmh[j].atom);
 819         }
 820 }
 821
 822 void
 823 teardown_ewmh(void)
 824 {
 825         int                             i, num_screens;
 826         xcb_atom_t                      sup_check, sup_list;
 827         xcb_window_t                    id;
 828         xcb_get_property_cookie_t       pc;
 829         xcb_get_property_reply_t        *pr;
 830
 831         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 832         sup_list = get_atom_from_string("_NET_SUPPORTED");
 833         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 834
 835         for (i = 0; i < num_screens; i++) {
 836                 /* Get the support check window and destroy it */
 837                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 838                     XCB_ATOM_WINDOW, 0, 1);
 839                 pr = xcb_get_property_reply(conn, pc, NULL);
 840                 if (pr) {
 841                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 842
 843                         xcb_destroy_window(conn, id);
 844                         xcb_delete_property(conn, screens[i].root, sup_check);
 845                         xcb_delete_property(conn, screens[i].root, sup_list);
 846
 847                         free(pr);
 848                 }
 849         }
 850 }
 851
 852 void
 853 ewmh_autoquirk(struct ws_win *win)
 854 {
 855         uint32_t                i, n;
 856         xcb_atom_t              *type;
 857         xcb_get_property_cookie_t       c;
 858         xcb_get_property_reply_t        *r;
 859
 860         c = xcb_get_property(conn, False, win->id,
 861             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 862         r = xcb_get_property_reply(conn, c, NULL);
 863         if (!r)
 864                 return;
 865
 866         n = xcb_get_property_value_length(r);
 867         type = xcb_get_property_value(r);
 868
 869         for (i = 0; i < n; i++) {
 870                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 871                         break;
 872                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 873                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 874                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 875                         win->floating = 1;
 876                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 877                         break;
 878                 }
 879                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 880                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 881                         win->floating = 1;
 882                         win->quirks = SWM_Q_FLOAT;
 883                         break;
 884                 }
 885         }
 886         free(r);
 887 }
 888
 889 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 890 #define EWMH_F_FULLSCREEN               (1<<0)
 891 #define EWMH_F_ABOVE                    (1<<1)
 892 #define EWMH_F_HIDDEN                   (1<<2)
 893 #define EWMH_F_SKIP_PAGER               (1<<3)
 894 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 895 #define SWM_F_MANUAL                    (1<<5)
 896
 897 int
 898 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 899 {
 900         if (!win->ws->r)
 901                 return (0);
 902
 903         if (!win->floating)
 904                 return (0);
 905
 906         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 907             "fullscreen %s\n", win->id, YESNO(fs));
 908
 909         if (fs) {
 910                 if (!win->g_floatvalid)
 911                         store_float_geom(win, win->ws->r);
 912
 913                 win->g = win->ws->r->g;
 914                 win->bordered = 0;
 915         } else {
 916                 if (win->g_floatvalid) {
 917                         /* refloat at last floating relative position */
 918                         win->g = win->g_float;
 919                         X(win) += X(win->ws->r);
 920                         Y(win) += Y(win->ws->r);
 921                 }
 922         }
 923
 924         return (1);
 925 }
 926
 927 void
 928 ewmh_update_actions(struct ws_win *win)
 929 {
 930         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 931         int                     n = 0;
 932
 933         if (win == NULL)
 934                 return;
 935
 936         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 937
 938         if (win->floating) {
 939                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 940                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 941         }
 942
 943         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 944             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
 945 }
 946
 947 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 948 #define _NET_WM_STATE_ADD       1    /* add/set property */
 949 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 950
 951 void
 952 ewmh_update_win_state(struct ws_win *win, long state, long action)
 953 {
 954         unsigned int            mask = 0;
 955         unsigned int            changed = 0;
 956         unsigned int            orig_flags;
 957
 958         if (win == NULL)
 959                 return;
 960
 961         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 962                 mask = EWMH_F_FULLSCREEN;
 963         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 964                 mask = EWMH_F_ABOVE;
 965         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 966                 mask = SWM_F_MANUAL;
 967         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 968                 mask = EWMH_F_SKIP_PAGER;
 969         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 970                 mask = EWMH_F_SKIP_TASKBAR;
 971
 972
 973         orig_flags = win->ewmh_flags;
 974
 975         switch (action) {
 976         case _NET_WM_STATE_REMOVE:
 977                 win->ewmh_flags &= ~mask;
 978                 break;
 979         case _NET_WM_STATE_ADD:
 980                 win->ewmh_flags |= mask;
 981                 break;
 982         case _NET_WM_STATE_TOGGLE:
 983                 win->ewmh_flags ^= mask;
 984                 break;
 985         }
 986
 987         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 988
 989         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 990                 if (changed)
 991                         if (!floating_toggle_win(win))
 992                                 win->ewmh_flags = orig_flags; /* revert */
 993         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 994                 if (changed)
 995                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 996         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 997                 if (changed)
 998                         if (!ewmh_set_win_fullscreen(win,
 999                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1000                                 win->ewmh_flags = orig_flags; /* revert */
1001
1002         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1003
1004         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1005                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1006                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1007                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1008         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1009                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1010                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1011                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1012         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1013                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1014                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1015                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1016         if (win->ewmh_flags & EWMH_F_ABOVE)
1017                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1018                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1019                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1020         if (win->ewmh_flags & SWM_F_MANUAL)
1021                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1022                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1023                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1024 }
1025
1026 void
1027 ewmh_get_win_state(struct ws_win *win)
1028 {
1029         xcb_atom_t                      *states;
1030         xcb_get_property_cookie_t       c;
1031         xcb_get_property_reply_t        *r;
1032         int                             i, n;
1033
1034         if (win == NULL)
1035                 return;
1036
1037         win->ewmh_flags = 0;
1038         if (win->floating)
1039                 win->ewmh_flags |= EWMH_F_ABOVE;
1040         if (win->manual)
1041                 win->ewmh_flags |= SWM_F_MANUAL;
1042
1043         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1044             XCB_ATOM_ATOM, 0, UINT32_MAX);
1045         r = xcb_get_property_reply(conn, c, NULL);
1046         if (!r)
1047                 return;
1048
1049         states = xcb_get_property_value(r);
1050         n = xcb_get_property_value_length(r);
1051
1052         for (i = 0; i < n; i++)
1053                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1054
1055         free(r);
1056 }
1057
1058 /* events */
1059 #ifdef SWM_DEBUG
1060 void
1061 dumpwins(struct swm_region *r, union arg *args)
1062 {
1063         struct ws_win                           *win;
1064         uint16_t                                state;
1065         xcb_get_window_attributes_cookie_t      c;
1066         xcb_get_window_attributes_reply_t       *wa;
1067
1068         if (r->ws == NULL) {
1069                 warnx("dumpwins: invalid workspace");
1070                 return;
1071         }
1072
1073         warnx("=== managed window list ws %02d ===", r->ws->idx);
1074         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1075                 state = getstate(win->id);
1076                 c = xcb_get_window_attributes(conn, win->id);
1077                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1078                 if (wa) {
1079                         warnx("window: 0x%x, map_state: %d, state: %u, "
1080                             "transient: 0x%x", win->id, wa->map_state,
1081                             state, win->transient);
1082                         free(wa);
1083                 } else
1084                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1085                             win->id);
1086         }
1087
1088         warnx("===== unmanaged window list =====");
1089         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1090                 state = getstate(win->id);
1091                 c = xcb_get_window_attributes(conn, win->id);
1092                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1093                 if (wa) {
1094                         warnx("window: 0x%x, map_state: %d, state: %u, "
1095                             "transient: 0x%x", win->id, wa->map_state,
1096                             state, win->transient);
1097                         free(wa);
1098                 } else
1099                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1100                             win->id);
1101         }
1102
1103         warnx("=================================");
1104 }
1105 #else
1106 void
1107 dumpwins(struct swm_region *r, union arg *args)
1108 {
1109 }
1110 #endif /* SWM_DEBUG */
1111
1112 void                    event_error(xcb_generic_error_t *);
1113 void                    expose(xcb_expose_event_t *);
1114 void                    keypress(xcb_key_press_event_t *);
1115 void                    buttonpress(xcb_button_press_event_t *);
1116 void                    configurerequest(xcb_configure_request_event_t *);
1117 void                    configurenotify(xcb_configure_notify_event_t *);
1118 void                    destroynotify(xcb_destroy_notify_event_t *);
1119 void                    enternotify(xcb_enter_notify_event_t *);
1120 void                    mapnotify(xcb_map_notify_event_t *);
1121 void                    mappingnotify(xcb_mapping_notify_event_t *);
1122 void                    maprequest(xcb_map_request_event_t *);
1123 void                    propertynotify(xcb_property_notify_event_t *);
1124 void                    unmapnotify(xcb_unmap_notify_event_t *);
1125 /*void                  visibilitynotify(xcb_visibility_notify_event_t *);*/
1126 void                    clientmessage(xcb_client_message_event_t *);
1127 void                    screenchange(xcb_randr_screen_change_notify_event_t *);
1128
1129 void
1130 sighdlr(int sig)
1131 {
1132         int                     saved_errno, status;
1133         pid_t                   pid;
1134
1135         saved_errno = errno;
1136
1137         switch (sig) {
1138         case SIGCHLD:
1139                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1140                         if (pid == -1) {
1141                                 if (errno == EINTR)
1142                                         continue;
1143 #ifdef SWM_DEBUG
1144                                 if (errno != ECHILD)
1145                                         warn("sighdlr: waitpid");
1146 #endif /* SWM_DEBUG */
1147                                 break;
1148                         }
1149                         if (pid == searchpid)
1150                                 search_resp = 1;
1151
1152 #ifdef SWM_DEBUG
1153                         if (WIFEXITED(status)) {
1154                                 if (WEXITSTATUS(status) != 0)
1155                                         warnx("sighdlr: child exit status: %d",
1156                                             WEXITSTATUS(status));
1157                         } else
1158                                 warnx("sighdlr: child is terminated "
1159                                     "abnormally");
1160 #endif /* SWM_DEBUG */
1161                 }
1162                 break;
1163
1164         case SIGHUP:
1165                 restart_wm = 1;
1166                 break;
1167         case SIGINT:
1168         case SIGTERM:
1169         case SIGQUIT:
1170                 running = 0;
1171                 break;
1172         }
1173
1174         errno = saved_errno;
1175 }
1176
1177 struct pid_e *
1178 find_pid(pid_t pid)
1179 {
1180         struct pid_e            *p = NULL;
1181
1182         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1183
1184         if (pid == 0)
1185                 return (NULL);
1186
1187         TAILQ_FOREACH(p, &pidlist, entry) {
1188                 if (p->pid == pid)
1189                         return (p);
1190         }
1191
1192         return (NULL);
1193 }
1194
1195 uint32_t
1196 name_to_color(const char *colorname)
1197 {
1198         uint32_t                        result = 0;
1199         char                            cname[32] = "#";
1200         xcb_screen_t                    *screen;
1201         xcb_colormap_t                  cmap;
1202         xcb_alloc_color_reply_t         *cr;
1203         xcb_alloc_named_color_reply_t   *nr;
1204         uint16_t                        rr, gg, bb;
1205
1206         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1207         cmap = screen->default_colormap;
1208
1209         /* color is in format rgb://rr/gg/bb */
1210         if (strncmp(colorname, "rgb:", 4) == 0) {
1211                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1212                         warnx("could not parse rgb %s", colorname);
1213                 else {
1214                         cr = xcb_alloc_color_reply(conn,
1215                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1216                             NULL);
1217                         if (cr) {
1218                                 result = cr->pixel;
1219                                 free(cr);
1220                         } else
1221                                 warnx("color '%s' not found", colorname);
1222                 }
1223         } else {
1224                 nr = xcb_alloc_named_color_reply(conn,
1225                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1226                             colorname), NULL);
1227                 if (!nr) {
1228                         strlcat(cname, colorname + 2, sizeof cname - 1);
1229                         nr = xcb_alloc_named_color_reply(conn,
1230                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1231                             cname), NULL);
1232                 }
1233                 if (nr) {
1234                         result = nr->pixel;
1235                         free(nr);
1236                 } else
1237                         warnx("color '%s' not found", colorname);
1238         }
1239
1240         return (result);
1241 }
1242
1243 void
1244 setscreencolor(char *val, int i, int c)
1245 {
1246         int     num_screens;
1247
1248         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1249         if (i > 0 && i <= num_screens) {
1250                 screens[i - 1].c[c].color = name_to_color(val);
1251                 free(screens[i - 1].c[c].name);
1252                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1253                         err(1, "strdup");
1254         } else if (i == -1) {
1255                 for (i = 0; i < num_screens; i++) {
1256                         screens[i].c[c].color = name_to_color(val);
1257                         free(screens[i].c[c].name);
1258                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1259                                 err(1, "strdup");
1260                 }
1261         } else
1262                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1263                     i, num_screens);
1264 }
1265
1266 void
1267 fancy_stacker(struct workspace *ws)
1268 {
1269         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1270         if (ws->cur_layout->l_stack == vertical_stack)
1271                 snprintf(ws->stacker, sizeof ws->stacker,
1272                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1273                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1274         if (ws->cur_layout->l_stack == horizontal_stack)
1275                 snprintf(ws->stacker, sizeof ws->stacker,
1276                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1277                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1278 }
1279
1280 void
1281 plain_stacker(struct workspace *ws)
1282 {
1283         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1284         if (ws->cur_layout->l_stack == vertical_stack)
1285                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1286                     sizeof ws->stacker);
1287         if (ws->cur_layout->l_stack == horizontal_stack)
1288                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1289                     sizeof ws->stacker);
1290 }
1291
1292 void
1293 custom_region(char *val)
1294 {
1295         unsigned int                    x, y, w, h;
1296         int                             sidx, num_screens;
1297         xcb_screen_t                    *screen;
1298
1299         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1300         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1301                 errx(1, "invalid custom region, "
1302                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1303         if (sidx < 1 || sidx > num_screens)
1304                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1305                     sidx, num_screens);
1306         sidx--;
1307
1308         screen = get_screen(sidx);
1309         if (w < 1 || h < 1)
1310                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1311
1312         if (x > screen->width_in_pixels ||
1313             y > screen->height_in_pixels ||
1314             w + x > screen->width_in_pixels ||
1315             h + y > screen->height_in_pixels) {
1316                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1317                     "boundaries (%ux%u)", w, h, x, y,
1318                     screen->width_in_pixels, screen->height_in_pixels);
1319                 return;
1320         }
1321
1322         new_region(&screens[sidx], x, y, w, h);
1323 }
1324
1325 void
1326 socket_setnonblock(int fd)
1327 {
1328         int                     flags;
1329
1330         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1331                 err(1, "fcntl F_GETFL");
1332         flags |= O_NONBLOCK;
1333         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1334                 err(1, "fcntl F_SETFL");
1335 }
1336
1337 void
1338 bar_print(struct swm_region *r, const char *s)
1339 {
1340         size_t                          len;
1341         xcb_rectangle_t                 rect;
1342         uint32_t                        gcv[1];
1343         int32_t                         x;
1344         XGlyphInfo                      info;
1345
1346         len = strlen(s);
1347
1348         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1349
1350         switch (bar_justify) {
1351         case SWM_BAR_JUSTIFY_LEFT:
1352                 x = SWM_BAR_OFFSET;
1353                 break;
1354         case SWM_BAR_JUSTIFY_CENTER:
1355                 x = (WIDTH(r) - info.width) / 2;
1356                 break;
1357         case SWM_BAR_JUSTIFY_RIGHT:
1358                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1359                 break;
1360         }
1361
1362         if (x < SWM_BAR_OFFSET)
1363                 x = SWM_BAR_OFFSET;
1364
1365         rect.x = 0;
1366         rect.y = 0;
1367         rect.width = WIDTH(r->bar);
1368         rect.height = HEIGHT(r->bar);
1369
1370         /* clear back buffer */
1371         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1372         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1373         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1374             sizeof(rect), &rect);
1375
1376         /* draw back buffer */
1377         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1378         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_BACKGROUND, gcv);
1379         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1380         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1381
1382         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1383                 bar_font->height, s);
1384
1385         /* blt */
1386         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1387             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1388 }
1389
1390 void
1391 bar_extra_stop(void)
1392 {
1393         if (bar_pipe[0]) {
1394                 close(bar_pipe[0]);
1395                 bzero(bar_pipe, sizeof bar_pipe);
1396         }
1397         if (bar_pid) {
1398                 kill(bar_pid, SIGTERM);
1399                 bar_pid = 0;
1400         }
1401         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1402         bar_extra = 0;
1403 }
1404
1405 void
1406 bar_class_name(char *s, size_t sz, struct swm_region *r)
1407 {
1408         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1409                 return;
1410         if (r->ws->focus->ch.class_name != NULL)
1411                 strlcat(s, r->ws->focus->ch.class_name, sz);
1412 }
1413
1414 void
1415 bar_title_name(char *s, size_t sz, struct swm_region *r)
1416 {
1417         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1418                 return;
1419         if (r->ws->focus->ch.instance_name != NULL)
1420                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1421 }
1422
1423 void
1424 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1425 {
1426         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1427                 return;
1428
1429         bar_class_name(s, sz, r);
1430         strlcat(s, ":", sz);
1431         bar_title_name(s, sz, r);
1432 }
1433
1434 void
1435 bar_window_float(char *s, size_t sz, struct swm_region *r)
1436 {
1437         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1438                 return;
1439         if (r->ws->focus->floating)
1440                 strlcat(s, "(f)", sz);
1441 }
1442
1443 void
1444 bar_window_name(char *s, size_t sz, struct swm_region *r)
1445 {
1446         char            *title;
1447
1448         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1449                 return;
1450         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1451                 return;
1452
1453         strlcat(s, title, sz);
1454         free(title);
1455 }
1456
1457 int             urgent[SWM_WS_MAX];
1458 void
1459 bar_urgent(char *s, size_t sz)
1460 {
1461         struct ws_win           *win;
1462         int                     i, j, num_screens;
1463         char                    b[8];
1464         xcb_get_property_cookie_t       c;
1465         xcb_icccm_wm_hints_t    hints;
1466
1467         for (i = 0; i < workspace_limit; i++)
1468                 urgent[i] = 0;
1469
1470         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1471         for (i = 0; i < num_screens; i++)
1472                 for (j = 0; j < workspace_limit; j++)
1473                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1474                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1475                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1476                                     &hints, NULL) == 0)
1477                                         continue;
1478                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1479                                         urgent[j] = 1;
1480                         }
1481
1482         for (i = 0; i < workspace_limit; i++) {
1483                 if (urgent[i])
1484                         snprintf(b, sizeof b, "%d ", i + 1);
1485                 else
1486                         snprintf(b, sizeof b, "- ");
1487                 strlcat(s, b, sz);
1488         }
1489 }
1490
1491 void
1492 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1493 {
1494         if (r == NULL || r->ws == NULL)
1495                 return;
1496         if (r->ws->name != NULL)
1497                 strlcat(s, r->ws->name, sz);
1498 }
1499
1500 /* build the default bar format according to the defined enabled options */
1501 void
1502 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1503 {
1504         /* if format provided, just copy the buffers */
1505         if (bar_format != NULL) {
1506                 strlcpy(fmtnew, fmtexp, sz);
1507                 return;
1508         }
1509
1510         /* reset the output buffer */
1511         *fmtnew = '\0';
1512
1513         strlcat(fmtnew, "+N:+I ", sz);
1514         if (stack_enabled)
1515                 strlcat(fmtnew, "+S", sz);
1516         strlcat(fmtnew, " ", sz);
1517
1518         /* only show the workspace name if there's actually one */
1519         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1520                 strlcat(fmtnew, "<+D>", sz);
1521         strlcat(fmtnew, "+3<", sz);
1522
1523         if (clock_enabled) {
1524                 strlcat(fmtnew, fmtexp, sz);
1525                 strlcat(fmtnew, "+4<", sz);
1526         }
1527
1528         /* bar_urgent already adds the space before the last asterisk */
1529         if (urgent_enabled)
1530                 strlcat(fmtnew, "* +U*+4<", sz);
1531
1532         if (title_class_enabled) {
1533                 strlcat(fmtnew, "+C", sz);
1534                 if (title_name_enabled == 0)
1535                         strlcat(fmtnew, "+4<", sz);
1536         }
1537
1538         /* checks needed by the colon and floating strlcat(3) calls below */
1539         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1540                 if (title_name_enabled) {
1541                         if (title_class_enabled)
1542                                 strlcat(fmtnew, ":", sz);
1543                         strlcat(fmtnew, "+T+4<", sz);
1544                 }
1545                 if (window_name_enabled) {
1546                         if (r->ws->focus->floating)
1547                                 strlcat(fmtnew, "+F ", sz);
1548                         strlcat(fmtnew, "+64W ", sz);
1549                 }
1550         }
1551
1552         /* finally add the action script output and the version */
1553         strlcat(fmtnew, "+4<+A+4<+V", sz);
1554 }
1555
1556 void
1557 bar_replace_pad(char *tmp, int *limit, size_t sz)
1558 {
1559         /* special case; no limit given, pad one space, instead */
1560         if (*limit == (int)sz - 1)
1561                 *limit = 1;
1562         snprintf(tmp, sz, "%*s", *limit, " ");
1563 }
1564
1565 /* replaces the bar format character sequences (like in tmux(1)) */
1566 char *
1567 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1568     size_t sz)
1569 {
1570         char                    *ptr;
1571         char                    tmp[SWM_BAR_MAX];
1572         int                     limit, size;
1573         size_t                  len;
1574
1575         /* reset strlcat(3) buffer */
1576         *tmp = '\0';
1577
1578         /* get number, if any */
1579         fmt++;
1580         size = 0;
1581         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1582                 limit = sizeof tmp - 1;
1583         if (limit <= 0 || limit >= (int)sizeof tmp)
1584                 limit = sizeof tmp - 1;
1585
1586         /* there is nothing to replace (ie EOL) */
1587         fmt += size;
1588         if (*fmt == '\0')
1589                 return (fmt);
1590
1591         switch (*fmt) {
1592         case '<':
1593                 bar_replace_pad(tmp, &limit, sizeof tmp);
1594                 break;
1595         case 'A':
1596                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1597                 break;
1598         case 'C':
1599                 bar_class_name(tmp, sizeof tmp, r);
1600                 break;
1601         case 'D':
1602                 bar_workspace_name(tmp, sizeof tmp, r);
1603                 break;
1604         case 'F':
1605                 bar_window_float(tmp, sizeof tmp, r);
1606                 break;
1607         case 'I':
1608                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1609                 break;
1610         case 'N':
1611                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1612                 break;
1613         case 'P':
1614                 bar_class_title_name(tmp, sizeof tmp, r);
1615                 break;
1616         case 'S':
1617                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1618                 break;
1619         case 'T':
1620                 bar_title_name(tmp, sizeof tmp, r);
1621                 break;
1622         case 'U':
1623                 bar_urgent(tmp, sizeof tmp);
1624                 break;
1625         case 'V':
1626                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1627                 break;
1628         case 'W':
1629                 bar_window_name(tmp, sizeof tmp, r);
1630                 break;
1631         default:
1632                 /* unknown character sequence; copy as-is */
1633                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1634                 break;
1635         }
1636
1637         len = strlen(tmp);
1638         ptr = tmp;
1639         if ((int)len < limit)
1640                 limit = len;
1641         while (limit-- > 0) {
1642                 if (*offrep >= sz - 1)
1643                         break;
1644                 fmtrep[(*offrep)++] = *ptr++;
1645         }
1646
1647         fmt++;
1648         return (fmt);
1649 }
1650
1651 void
1652 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1653 {
1654         size_t                  off;
1655
1656         off = 0;
1657         while (*fmt != '\0') {
1658                 if (*fmt != '+') {
1659                         /* skip ordinary characters */
1660                         if (off >= sz - 1)
1661                                 break;
1662                         fmtrep[off++] = *fmt++;
1663                         continue;
1664                 }
1665
1666                 /* character sequence found; replace it */
1667                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1668                 if (off >= sz - 1)
1669                         break;
1670         }
1671
1672         fmtrep[off] = '\0';
1673 }
1674
1675 void
1676 bar_fmt_expand(char *fmtexp, size_t sz)
1677 {
1678         char                    *fmt = NULL;
1679         size_t                  len;
1680         struct tm               tm;
1681         time_t                  tmt;
1682
1683         /* start by grabbing the current time and date */
1684         time(&tmt);
1685         localtime_r(&tmt, &tm);
1686
1687         /* figure out what to expand */
1688         if (bar_format != NULL)
1689                 fmt = bar_format;
1690         else if (bar_format == NULL && clock_enabled)
1691                 fmt = clock_format;
1692         /* if nothing to expand bail out */
1693         if (fmt == NULL) {
1694                 *fmtexp = '\0';
1695                 return;
1696         }
1697
1698         /* copy as-is, just in case the format shouldn't be expanded below */
1699         strlcpy(fmtexp, fmt, sz);
1700         /* finally pass the string through strftime(3) */
1701 #ifndef SWM_DENY_CLOCK_FORMAT
1702         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1703                 warnx("format too long");
1704         fmtexp[len] = '\0';
1705 #endif
1706 }
1707
1708 void
1709 bar_fmt_print(void)
1710 {
1711         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1712         char                    fmtrep[SWM_BAR_MAX];
1713         int                     i, num_screens;
1714         struct swm_region       *r;
1715
1716         /* expand the format by first passing it through strftime(3) */
1717         bar_fmt_expand(fmtexp, sizeof fmtexp);
1718
1719         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1720         for (i = 0; i < num_screens; i++) {
1721                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1722                         if (r->bar == NULL)
1723                                 continue;
1724                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1725                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1726                         bar_print(r, fmtrep);
1727                 }
1728         }
1729 }
1730
1731 void
1732 bar_update(void)
1733 {
1734         size_t                  len;
1735         char                    *b;
1736
1737         if (bar_enabled == 0)
1738                 return;
1739         if (bar_extra && bar_extra_running) {
1740                 /* ignore short reads; it'll correct itself */
1741                 while ((b = fgetln(stdin, &len)) != NULL)
1742                         if (b && b[len - 1] == '\n') {
1743                                 b[len - 1] = '\0';
1744                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1745                         }
1746                 if (b == NULL && errno != EAGAIN) {
1747                         warn("bar_update: bar_extra failed");
1748                         bar_extra_stop();
1749                 }
1750         } else
1751                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1752
1753         bar_fmt_print();
1754         alarm(bar_delay);
1755 }
1756
1757 void
1758 bar_signal(int sig)
1759 {
1760         bar_alarm = 1;
1761 }
1762
1763 void
1764 bar_toggle(struct swm_region *r, union arg *args)
1765 {
1766         struct swm_region       *tmpr;
1767         int                     i, num_screens;
1768
1769         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1770
1771         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1772         if (bar_enabled) {
1773                 for (i = 0; i < num_screens; i++)
1774                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1775                                 if (tmpr->bar)
1776                                         xcb_unmap_window(conn, tmpr->bar->id);
1777         } else {
1778                 for (i = 0; i < num_screens; i++)
1779                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1780                                 if (tmpr->bar)
1781                                         map_window_raised(tmpr->bar->id);
1782         }
1783
1784         bar_enabled = !bar_enabled;
1785
1786         stack();
1787         /* must be after stack */
1788         bar_update();
1789
1790         xcb_flush(conn);
1791 }
1792
1793 void
1794 bar_refresh(void)
1795 {
1796         struct swm_region       *r;
1797         uint32_t                wa[2];
1798         int                     i, num_screens;
1799
1800         /* do this here because the conf file is in memory */
1801         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1802                 /* launch external status app */
1803                 bar_extra_running = 1;
1804                 if (pipe(bar_pipe) == -1)
1805                         err(1, "pipe error");
1806                 socket_setnonblock(bar_pipe[0]);
1807                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1808                 if (dup2(bar_pipe[0], 0) == -1)
1809                         err(1, "dup2");
1810                 if (dup2(bar_pipe[1], 1) == -1)
1811                         err(1, "dup2");
1812                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1813                         err(1, "could not disable SIGPIPE");
1814                 switch (bar_pid = fork()) {
1815                 case -1:
1816                         err(1, "cannot fork");
1817                         break;
1818                 case 0: /* child */
1819                         close(bar_pipe[0]);
1820                         execvp(bar_argv[0], bar_argv);
1821                         err(1, "%s external app failed", bar_argv[0]);
1822                         break;
1823                 default: /* parent */
1824                         close(bar_pipe[1]);
1825                         break;
1826                 }
1827         }
1828
1829         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1830         for (i = 0; i < num_screens; i++)
1831                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1832                         if (r->bar == NULL)
1833                                 continue;
1834                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1835                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1836                         xcb_change_window_attributes(conn, r->bar->id,
1837                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1838                 }
1839         bar_update();
1840 }
1841
1842 void
1843 bar_setup(struct swm_region *r)
1844 {
1845         char                    *font;
1846         xcb_screen_t            *screen = get_screen(r->s->idx);
1847         uint32_t                wa[3];
1848
1849         if (bar_font) {
1850                 XftFontClose(display, bar_font);
1851                 bar_font = NULL;
1852         }
1853
1854         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1855                 err(1, "bar_setup: calloc: failed to allocate memory.");
1856
1857         while ((font = strsep(&bar_fonts, " ,")) != NULL) {
1858                 if (*font == '\0')
1859                         continue;
1860
1861                 DNPRINTF(SWM_D_INIT, "bar_setup: try font %s\n", font);
1862                 bar_font = XftFontOpenName(display, DefaultScreen(display),
1863                             font);
1864                 if (!bar_font) {
1865                         warnx("unable to load font %s", font);
1866                         continue;
1867                 } else {
1868                         DNPRINTF(SWM_D_INIT, "successfully opened font %s\n",
1869                             font);
1870                         break;
1871                 }
1872         }
1873
1874         bar_height = bar_font->height + 4 * 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         DNPRINTF(SWM_D_BAR, "bar_setup: create_window: (x,y) w x h: (%d,%d) "
1889             "%d x %d\n", X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar));
1890         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1891             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1892             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1893             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
1894             | XCB_CW_EVENT_MASK, wa);
1895
1896         r->bar->buffer = xcb_generate_id(conn);
1897         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1898             WIDTH(r->bar), HEIGHT(r->bar));
1899
1900         xcb_randr_select_input(conn, r->bar->id,
1901             XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1902
1903         if (bar_enabled)
1904                 map_window_raised(r->bar->id);
1905
1906         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1907             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1908             HEIGHT(r->bar));
1909
1910         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1911                 err(1, "could not install bar_signal");
1912         bar_refresh();
1913 }
1914
1915 void
1916 bar_cleanup(struct swm_region *r)
1917 {
1918         if (r->bar == NULL)
1919                 return;
1920         xcb_destroy_window(conn, r->bar->id);
1921         xcb_free_pixmap(conn, r->bar->buffer);
1922         free(r->bar);
1923         r->bar = NULL;
1924 }
1925
1926 void
1927 set_win_state(struct ws_win *win, uint16_t state)
1928 {
1929         uint16_t                data[2] = { state, XCB_ATOM_NONE };
1930
1931         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
1932
1933         if (win == NULL)
1934                 return;
1935
1936         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
1937             a_state, 32, 2, data);
1938 }
1939
1940 uint16_t
1941 getstate(xcb_window_t w)
1942 {
1943         uint16_t                        result = 0;
1944         xcb_get_property_cookie_t       c;
1945         xcb_get_property_reply_t        *r;
1946
1947         c = xcb_get_property(conn, False, w, a_state, a_state, 0L, 2L);
1948         r = xcb_get_property_reply(conn, c, NULL);
1949
1950         if (r) {
1951                 result = *((uint16_t *)xcb_get_property_value(r));
1952                 free(r);
1953         }
1954
1955         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
1956             result);
1957         return (result);
1958 }
1959
1960 void
1961 version(struct swm_region *r, union arg *args)
1962 {
1963         bar_version = !bar_version;
1964         if (bar_version)
1965                 snprintf(bar_vertext, sizeof bar_vertext,
1966                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1967         else
1968                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1969         bar_update();
1970
1971         xcb_flush(conn);
1972 }
1973
1974 void
1975 client_msg(struct ws_win *win, xcb_atom_t a)
1976 {
1977         xcb_client_message_event_t      ev;
1978
1979         if (win == NULL)
1980                 return;
1981
1982         bzero(&ev, sizeof ev);
1983         ev.response_type = XCB_CLIENT_MESSAGE;
1984         ev.window = win->id;
1985         ev.type = a_prot;
1986         ev.format = 32;
1987         ev.data.data32[0] = a;
1988         ev.data.data32[1] = XCB_CURRENT_TIME;
1989
1990         xcb_send_event(conn, False, win->id,
1991             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
1992 }
1993
1994 /* synthetic response to a ConfigureRequest when not making a change */
1995 void
1996 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
1997 {
1998         xcb_configure_notify_event_t ce;
1999
2000         if (win == NULL)
2001                 return;
2002
2003         /* send notification of unchanged state. */
2004         bzero(&ce, sizeof(ce));
2005         ce.response_type = XCB_CONFIGURE_NOTIFY;
2006         ce.x = X(win);
2007         ce.y = Y(win);
2008         ce.width = WIDTH(win);
2009         ce.height = HEIGHT(win);
2010         ce.override_redirect = False;
2011
2012         if (ev == NULL) {
2013                 /* EWMH */
2014                 ce.event = win->id;
2015                 ce.window = win->id;
2016                 ce.border_width = BORDER(win);
2017                 ce.above_sibling = XCB_WINDOW_NONE;
2018         } else {
2019                 /* normal */
2020                 ce.event = ev->window;
2021                 ce.window = ev->window;
2022
2023                 /* make response appear more WM_SIZE_HINTS-compliant */
2024                 if (win->sh.flags)
2025                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2026                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2027                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2028                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2029                             SH_INC_W(win), SH_INC_H(win));
2030
2031                 /* min size */
2032                 if (SH_MIN(win)) {
2033                         /* the hint may be set... to 0! */
2034                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2035                                 ce.width = SH_MIN_W(win);
2036                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2037                                 ce.height = SH_MIN_H(win);
2038                 }
2039
2040                 /* max size */
2041                 if (SH_MAX(win)) {
2042                         /* may also be advertized as 0 */
2043                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2044                                 ce.width = SH_MAX_W(win);
2045                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2046                                 ce.height = SH_MAX_H(win);
2047                 }
2048
2049                 /* resize increment. */
2050                 if (SH_INC(win)) {
2051                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2052                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2053                                     SH_INC_W(win);
2054                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2055                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2056                                     SH_INC_H(win);
2057                 }
2058
2059                 /* adjust x and y for requested border_width. */
2060                 ce.x += BORDER(win) - ev->border_width;
2061                 ce.y += BORDER(win) - ev->border_width;
2062                 ce.border_width = ev->border_width;
2063                 ce.above_sibling = ev->sibling;
2064         }
2065
2066         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2067             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2068             ce.y, ce.width, ce.height, ce.border_width);
2069
2070         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2071                 (char *)&ce);
2072 }
2073
2074 int
2075 count_win(struct workspace *ws, int count_transient)
2076 {
2077         struct ws_win           *win;
2078         int                     count = 0;
2079
2080         TAILQ_FOREACH(win, &ws->winlist, entry) {
2081                 if (count_transient == 0 && win->floating)
2082                         continue;
2083                 if (count_transient == 0 && win->transient)
2084                         continue;
2085                 if (win->iconic)
2086                         continue;
2087                 count++;
2088         }
2089         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2090
2091         return (count);
2092 }
2093
2094 void
2095 quit(struct swm_region *r, union arg *args)
2096 {
2097         DNPRINTF(SWM_D_MISC, "quit\n");
2098         running = 0;
2099 }
2100
2101 void
2102 unmap_window(struct ws_win *win)
2103 {
2104         if (win == NULL)
2105                 return;
2106
2107         /* don't unmap again */
2108         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2109                 return;
2110
2111         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2112
2113         xcb_unmap_window(conn, win->id);
2114         xcb_change_window_attributes(conn, win->id,
2115             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2116 }
2117
2118 void
2119 unmap_all(void)
2120 {
2121         struct ws_win           *win;
2122         int                     i, j, num_screens;
2123
2124         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2125         for (i = 0; i < num_screens; i++)
2126                 for (j = 0; j < workspace_limit; j++)
2127                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2128                                 unmap_window(win);
2129 }
2130
2131 void
2132 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2133 {
2134         xcb_key_press_event_t   event;
2135         xcb_keycode_t           *keycode;
2136
2137         if (win == NULL)
2138                 return;
2139
2140         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2141
2142         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2143             win->id, *keycode);
2144
2145         bzero(&event, sizeof(event));
2146         event.event = win->id;
2147         event.root = win->s->root;
2148         event.child = XCB_WINDOW_NONE;
2149         event.time = XCB_CURRENT_TIME;
2150         event.event_x = X(win);
2151         event.event_y = Y(win);
2152         event.root_x = 1;
2153         event.root_y = 1;
2154         event.same_screen = True;
2155         event.detail = *keycode;
2156         event.state = modifiers;
2157
2158         event.response_type = XCB_KEY_PRESS;
2159         xcb_send_event(conn, True, win->id,
2160             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2161
2162         event.response_type = XCB_KEY_RELEASE;
2163         xcb_send_event(conn, True, win->id,
2164             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2165 }
2166
2167 void
2168 restart(struct swm_region *r, union arg *args)
2169 {
2170         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2171
2172         /* disable alarm because the following code may not be interrupted */
2173         alarm(0);
2174         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2175                 err(1, "can't disable alarm");
2176
2177         bar_extra_stop();
2178         bar_extra = 1;
2179         unmap_all();
2180
2181         xcb_key_symbols_free(syms);
2182         xcb_flush(conn);
2183         xcb_disconnect(conn);
2184
2185         execvp(start_argv[0], start_argv);
2186         warn("execvp failed");
2187         quit(NULL, NULL);
2188 }
2189
2190 struct swm_region *
2191 root_to_region(xcb_window_t root)
2192 {
2193         struct swm_region               *r = NULL;
2194         int                             i, num_screens;
2195         xcb_query_pointer_reply_t       *qpr;
2196
2197         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2198
2199         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2200         for (i = 0; i < num_screens; i++)
2201                 if (screens[i].root == root)
2202                         break;
2203
2204         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2205             screens[i].root), NULL);
2206
2207         if (qpr) {
2208                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2209                     qpr->root_x, qpr->root_y);
2210                 /* choose a region based on pointer location */
2211                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2212                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2213                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2214                                 break;
2215                 free(qpr);
2216         }
2217
2218         if (r == NULL)
2219                 r = TAILQ_FIRST(&screens[i].rl);
2220
2221         return (r);
2222 }
2223
2224 struct ws_win *
2225 find_unmanaged_window(xcb_window_t id)
2226 {
2227         struct ws_win           *win;
2228         int                     i, j, num_screens;
2229
2230         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2231         for (i = 0; i < num_screens; i++)
2232                 for (j = 0; j < workspace_limit; j++)
2233                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2234                             entry)
2235                                 if (id == win->id)
2236                                         return (win);
2237         return (NULL);
2238 }
2239
2240 struct ws_win *
2241 find_window(xcb_window_t id)
2242 {
2243         struct ws_win           *win;
2244         int                     i, j, num_screens;
2245         xcb_query_tree_reply_t  *r;
2246
2247         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2248         for (i = 0; i < num_screens; i++)
2249                 for (j = 0; j < workspace_limit; j++)
2250                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2251                                 if (id == win->id)
2252                                         return (win);
2253
2254         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2255         if (!r)
2256                 return (NULL);
2257
2258         /* if we were looking for the parent return that window instead */
2259         if (r->parent == 0 || r->root == r->parent)
2260                 return (NULL);
2261
2262         /* look for parent */
2263         for (i = 0; i < num_screens; i++)
2264                 for (j = 0; j < workspace_limit; j++)
2265                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2266                                 if (r->parent == win->id) {
2267                                         free(r);
2268                                         return (win);
2269                                 }
2270
2271         free(r);
2272         return (NULL);
2273 }
2274
2275 void
2276 spawn(int ws_idx, union arg *args, int close_fd)
2277 {
2278         int                     fd;
2279         char                    *ret = NULL;
2280
2281         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2282
2283         close(xcb_get_file_descriptor(conn));
2284
2285         setenv("LD_PRELOAD", SWM_LIB, 1);
2286
2287         if (asprintf(&ret, "%d", ws_idx) == -1) {
2288                 warn("spawn: asprintf SWM_WS");
2289                 _exit(1);
2290         }
2291         setenv("_SWM_WS", ret, 1);
2292         free(ret);
2293         ret = NULL;
2294
2295         if (asprintf(&ret, "%d", getpid()) == -1) {
2296                 warn("spawn: asprintf _SWM_PID");
2297                 _exit(1);
2298         }
2299         setenv("_SWM_PID", ret, 1);
2300         free(ret);
2301         ret = NULL;
2302
2303         if (setsid() == -1) {
2304                 warn("spawn: setsid");
2305                 _exit(1);
2306         }
2307
2308         if (close_fd) {
2309                 /*
2310                  * close stdin and stdout to prevent interaction between apps
2311                  * and the baraction script
2312                  * leave stderr open to record errors
2313                 */
2314                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2315                         warn("spawn: open");
2316                         _exit(1);
2317                 }
2318                 dup2(fd, STDIN_FILENO);
2319                 dup2(fd, STDOUT_FILENO);
2320                 if (fd > 2)
2321                         close(fd);
2322         }
2323
2324         execvp(args->argv[0], args->argv);
2325
2326         warn("spawn: execvp");
2327         _exit(1);
2328 }
2329
2330 void
2331 kill_refs(struct ws_win *win)
2332 {
2333         int                     i, x, num_screens;
2334         struct swm_region       *r;
2335         struct workspace        *ws;
2336
2337         if (win == NULL)
2338                 return;
2339
2340         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2341         for (i = 0; i < num_screens; i++)
2342                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2343                         for (x = 0; x < workspace_limit; x++) {
2344                                 ws = &r->s->ws[x];
2345                                 if (win == ws->focus)
2346                                         ws->focus = NULL;
2347                                 if (win == ws->focus_prev)
2348                                         ws->focus_prev = NULL;
2349                         }
2350 }
2351
2352 int
2353 validate_win(struct ws_win *testwin)
2354 {
2355         struct ws_win           *win;
2356         struct workspace        *ws;
2357         struct swm_region       *r;
2358         int                     i, x, num_screens;
2359
2360         if (testwin == NULL)
2361                 return (0);
2362
2363         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2364         for (i = 0; i < num_screens; i++)
2365                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2366                         for (x = 0; x < workspace_limit; x++) {
2367                                 ws = &r->s->ws[x];
2368                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2369                                         if (win == testwin)
2370                                                 return (0);
2371                         }
2372         return (1);
2373 }
2374
2375 int
2376 validate_ws(struct workspace *testws)
2377 {
2378         struct swm_region       *r;
2379         struct workspace        *ws;
2380         int                     i, x, num_screens;
2381
2382         /* validate all ws */
2383         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2384         for (i = 0; i < num_screens; i++)
2385                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2386                         for (x = 0; x < workspace_limit; x++) {
2387                                 ws = &r->s->ws[x];
2388                                 if (ws == testws)
2389                                         return (0);
2390                         }
2391         return (1);
2392 }
2393
2394 void
2395 unfocus_win(struct ws_win *win)
2396 {
2397         xcb_window_t            none = XCB_WINDOW_NONE;
2398
2399         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2400
2401         if (win == NULL)
2402                 return;
2403         if (win->ws == NULL)
2404                 return;
2405
2406         if (validate_ws(win->ws))
2407                 return; /* XXX this gets hit with thunderbird, needs fixing */
2408
2409         if (win->ws->r == NULL)
2410                 return;
2411
2412         if (validate_win(win)) {
2413                 kill_refs(win);
2414                 return;
2415         }
2416
2417         if (win->ws->focus == win) {
2418                 win->ws->focus = NULL;
2419                 win->ws->focus_prev = win;
2420         }
2421
2422         if (validate_win(win->ws->focus)) {
2423                 kill_refs(win->ws->focus);
2424                 win->ws->focus = NULL;
2425         }
2426         if (validate_win(win->ws->focus_prev)) {
2427                 kill_refs(win->ws->focus_prev);
2428                 win->ws->focus_prev = NULL;
2429         }
2430
2431         grabbuttons(win, 0);
2432         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2433             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2434         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2435             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2436 }
2437
2438 void
2439 unfocus_all(void)
2440 {
2441         struct ws_win           *win;
2442         int                     i, j, num_screens;
2443
2444         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2445
2446         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2447         for (i = 0; i < num_screens; i++)
2448                 for (j = 0; j < workspace_limit; j++)
2449                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2450                                 unfocus_win(win);
2451 }
2452
2453 void
2454 focus_win(struct ws_win *win)
2455 {
2456         struct ws_win           *cfw = NULL;
2457         xcb_get_input_focus_reply_t     *r;
2458         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2459
2460         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2461
2462         if (win == NULL)
2463                 return;
2464         if (win->ws == NULL)
2465                 return;
2466
2467         if (validate_ws(win->ws))
2468                 return; /* XXX this gets hit with thunderbird, needs fixing */
2469
2470         if (validate_win(win)) {
2471                 kill_refs(win);
2472                 return;
2473         }
2474
2475         if (validate_win(win)) {
2476                 kill_refs(win);
2477                 return;
2478         }
2479
2480         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2481         if (r) {
2482                 cur_focus = r->focus;
2483                 free(r);
2484         }
2485         if ((cfw = find_window(cur_focus)) != NULL)
2486                 unfocus_win(cfw);
2487         else {
2488                 /* use larger hammer since the window was killed somehow */
2489                 /* TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2490                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2491                                 xcb_change_window_attributes(conn, cfw->id,
2492                                     XCB_CW_BORDER_PIXEL,
2493                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);*/
2494         }
2495
2496         win->ws->focus = win;
2497
2498         if (win->ws->r != NULL) {
2499                 if (win->java == 0)
2500                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2501                             win->id, XCB_CURRENT_TIME);
2502                 grabbuttons(win, 1);
2503                 xcb_change_window_attributes(conn, win->id,
2504                         XCB_CW_BORDER_PIXEL,
2505                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2506                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2507                     win->ws->always_raise)
2508                         map_window_raised(win->id);
2509
2510                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2511                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2512                     &win->id);
2513         }
2514
2515         bar_update();
2516 }
2517
2518 void
2519 event_drain(uint8_t rt)
2520 {
2521         xcb_generic_event_t     *evt;
2522
2523         xcb_flush(conn);
2524         while ((evt = xcb_poll_for_event(conn))) {
2525                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2526                         event_handle(evt);
2527
2528                 free(evt);
2529         }
2530 }
2531
2532 void
2533 switchws(struct swm_region *r, union arg *args)
2534 {
2535         int                     wsid = args->id, unmap_old = 0;
2536         struct swm_region       *this_r, *other_r;
2537         struct ws_win           *win;
2538         struct workspace        *new_ws, *old_ws;
2539         union arg               a;
2540
2541         if (!(r && r->s))
2542                 return;
2543
2544         if (wsid >= workspace_limit)
2545                 return;
2546
2547         this_r = r;
2548         old_ws = this_r->ws;
2549         new_ws = &this_r->s->ws[wsid];
2550
2551         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2552             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2553
2554         if (new_ws == NULL || old_ws == NULL)
2555                 return;
2556         if (new_ws == old_ws)
2557                 return;
2558
2559         other_r = new_ws->r;
2560         if (other_r == NULL) {
2561                 /* the other workspace is hidden, hide this one */
2562                 old_ws->r = NULL;
2563                 unmap_old = 1;
2564         } else {
2565                 /* the other ws is visible in another region, exchange them */
2566                 other_r->ws_prior = new_ws;
2567                 other_r->ws = old_ws;
2568                 old_ws->r = other_r;
2569         }
2570         this_r->ws_prior = old_ws;
2571         this_r->ws = new_ws;
2572         new_ws->r = this_r;
2573
2574         /* this is needed so that we can click on a window after a restart */
2575         unfocus_all();
2576
2577         stack();
2578         a.id = SWM_ARG_ID_FOCUSCUR;
2579         focus(new_ws->r, &a);
2580
2581         /* unmap old windows */
2582         if (unmap_old)
2583                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2584                         unmap_window(win);
2585
2586         if (focus_mode == SWM_FOCUS_DEFAULT)
2587                 event_drain(XCB_ENTER_NOTIFY);
2588         else
2589                 xcb_flush(conn);
2590 }
2591
2592 void
2593 cyclews(struct swm_region *r, union arg *args)
2594 {
2595         union                   arg a;
2596         struct swm_screen       *s = r->s;
2597         int                     cycle_all = 0;
2598
2599         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2600             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2601
2602         a.id = r->ws->idx;
2603         do {
2604                 switch (args->id) {
2605                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2606                         cycle_all = 1;
2607                         /* FALLTHROUGH */
2608                 case SWM_ARG_ID_CYCLEWS_UP:
2609                         if (a.id < workspace_limit - 1)
2610                                 a.id++;
2611                         else
2612                                 a.id = 0;
2613                         break;
2614                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2615                         cycle_all = 1;
2616                         /* FALLTHROUGH */
2617                 case SWM_ARG_ID_CYCLEWS_DOWN:
2618                         if (a.id > 0)
2619                                 a.id--;
2620                         else
2621                                 a.id = workspace_limit - 1;
2622                         break;
2623                 default:
2624                         return;
2625                 };
2626
2627                 if (!cycle_all &&
2628                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2629                         continue;
2630                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2631                         continue;
2632
2633                 switchws(r, &a);
2634         } while (a.id != r->ws->idx);
2635 }
2636
2637 void
2638 priorws(struct swm_region *r, union arg *args)
2639 {
2640         union arg               a;
2641
2642         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2643             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2644
2645         if (r->ws_prior == NULL)
2646                 return;
2647
2648         a.id = r->ws_prior->idx;
2649         switchws(r, &a);
2650 }
2651
2652 void
2653 cyclescr(struct swm_region *r, union arg *args)
2654 {
2655         struct swm_region       *rr = NULL;
2656         union arg               a;
2657         int                     i, x, y, num_screens;
2658
2659         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2660         /* do nothing if we don't have more than one screen */
2661         if (!(num_screens > 1 || outputs > 1))
2662                 return;
2663
2664         i = r->s->idx;
2665         switch (args->id) {
2666         case SWM_ARG_ID_CYCLESC_UP:
2667                 rr = TAILQ_NEXT(r, entry);
2668                 if (rr == NULL)
2669                         rr = TAILQ_FIRST(&screens[i].rl);
2670                 break;
2671         case SWM_ARG_ID_CYCLESC_DOWN:
2672                 rr = TAILQ_PREV(r, swm_region_list, entry);
2673                 if (rr == NULL)
2674                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2675                 break;
2676         default:
2677                 return;
2678         };
2679         if (rr == NULL)
2680                 return;
2681
2682         /* move mouse to region */
2683         x = X(rr) + 1;
2684         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2685         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2686             x, y);
2687
2688         a.id = SWM_ARG_ID_FOCUSCUR;
2689         focus(rr, &a);
2690
2691         if (rr->ws->focus) {
2692                 /* move to focus window */
2693                 x = X(rr->ws->focus) + 1;
2694                 y = Y(rr->ws->focus) + 1;
2695                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2696                     0, x, y);
2697         }
2698 }
2699
2700 void
2701 sort_windows(struct ws_win_list *wl)
2702 {
2703         struct ws_win           *win, *parent, *nxt;
2704
2705         if (wl == NULL)
2706                 return;
2707
2708         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2709                 nxt = TAILQ_NEXT(win, entry);
2710                 if (win->transient) {
2711                         parent = find_window(win->transient);
2712                         if (parent == NULL) {
2713                                 warnx("not possible bug");
2714                                 continue;
2715                         }
2716                         TAILQ_REMOVE(wl, win, entry);
2717                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2718                 }
2719         }
2720
2721 }
2722
2723 void
2724 swapwin(struct swm_region *r, union arg *args)
2725 {
2726         struct ws_win           *target, *source;
2727         struct ws_win           *cur_focus;
2728         struct ws_win_list      *wl;
2729
2730
2731         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2732             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2733
2734         cur_focus = r->ws->focus;
2735         if (cur_focus == NULL)
2736                 return;
2737
2738         source = cur_focus;
2739         wl = &source->ws->winlist;
2740
2741         switch (args->id) {
2742         case SWM_ARG_ID_SWAPPREV:
2743                 if (source->transient)
2744                         source = find_window(source->transient);
2745                 target = TAILQ_PREV(source, ws_win_list, entry);
2746                 if (target && target->transient)
2747                         target = find_window(target->transient);
2748                 TAILQ_REMOVE(wl, source, entry);
2749                 if (target == NULL)
2750                         TAILQ_INSERT_TAIL(wl, source, entry);
2751                 else
2752                         TAILQ_INSERT_BEFORE(target, source, entry);
2753                 break;
2754         case SWM_ARG_ID_SWAPNEXT:
2755                 target = TAILQ_NEXT(source, entry);
2756                 /* move the parent and let the sort handle the move */
2757                 if (source->transient)
2758                         source = find_window(source->transient);
2759                 TAILQ_REMOVE(wl, source, entry);
2760                 if (target == NULL)
2761                         TAILQ_INSERT_HEAD(wl, source, entry);
2762                 else
2763                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2764                 break;
2765         case SWM_ARG_ID_SWAPMAIN:
2766                 target = TAILQ_FIRST(wl);
2767                 if (target == source) {
2768                         if (source->ws->focus_prev != NULL &&
2769                             source->ws->focus_prev != target)
2770                                 source = source->ws->focus_prev;
2771                         else
2772                                 return;
2773                 }
2774                 if (target == NULL || source == NULL)
2775                         return;
2776                 source->ws->focus_prev = target;
2777                 TAILQ_REMOVE(wl, target, entry);
2778                 TAILQ_INSERT_BEFORE(source, target, entry);
2779                 TAILQ_REMOVE(wl, source, entry);
2780                 TAILQ_INSERT_HEAD(wl, source, entry);
2781                 break;
2782         case SWM_ARG_ID_MOVELAST:
2783                 TAILQ_REMOVE(wl, source, entry);
2784                 TAILQ_INSERT_TAIL(wl, source, entry);
2785                 break;
2786         default:
2787                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2788                 return;
2789         }
2790
2791         sort_windows(wl);
2792
2793         stack();
2794
2795         xcb_flush(conn);
2796 }
2797
2798 void
2799 focus_prev(struct ws_win *win)
2800 {
2801         struct ws_win           *winfocus = NULL;
2802         struct ws_win           *cur_focus = NULL;
2803         struct ws_win_list      *wl = NULL;
2804         struct workspace        *ws = NULL;
2805
2806         if (!(win && win->ws))
2807                 return;
2808
2809         ws = win->ws;
2810         wl = &ws->winlist;
2811         cur_focus = ws->focus;
2812
2813         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2814             WINID(win), WINID(cur_focus));
2815
2816         /* pickle, just focus on whatever */
2817         if (cur_focus == NULL) {
2818                 /* use prev_focus if valid */
2819                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2820                     find_window(WINID(ws->focus_prev)))
2821                         winfocus = ws->focus_prev;
2822                 goto done;
2823         }
2824
2825         /* if transient focus on parent */
2826         if (cur_focus->transient) {
2827                 winfocus = find_window(cur_focus->transient);
2828                 goto done;
2829         }
2830
2831         /* if in max_stack try harder */
2832         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2833             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2834                 if (cur_focus != ws->focus_prev)
2835                         winfocus = ws->focus_prev;
2836                 else
2837                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2838                 if (winfocus)
2839                         goto done;
2840         }
2841
2842         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2843
2844         if (winfocus == NULL || winfocus == win) {
2845                 switch (focus_close) {
2846                 case SWM_STACK_BOTTOM:
2847                         winfocus = TAILQ_FIRST(wl);
2848                         break;
2849                 case SWM_STACK_TOP:
2850                         winfocus = TAILQ_LAST(wl, ws_win_list);
2851                         break;
2852                 case SWM_STACK_ABOVE:
2853                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2854                                 if (focus_close_wrap)
2855                                         winfocus = TAILQ_FIRST(wl);
2856                                 else
2857                                         winfocus = TAILQ_PREV(cur_focus,
2858                                             ws_win_list, entry);
2859                         }
2860                         break;
2861                 case SWM_STACK_BELOW:
2862                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2863                             entry)) == NULL) {
2864                                 if (focus_close_wrap)
2865                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2866                                 else
2867                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2868                         }
2869                         break;
2870                 }
2871         }
2872 done:
2873         if (winfocus == NULL) {
2874                 if (focus_default == SWM_STACK_TOP)
2875                         winfocus = TAILQ_LAST(wl, ws_win_list);
2876                 else
2877                         winfocus = TAILQ_FIRST(wl);
2878         }
2879
2880         kill_refs(win);
2881         focus_magic(winfocus);
2882 }
2883
2884 void
2885 focus(struct swm_region *r, union arg *args)
2886 {
2887         struct ws_win           *winfocus = NULL, *head;
2888         struct ws_win           *cur_focus = NULL;
2889         struct ws_win_list      *wl = NULL;
2890         struct workspace        *ws = NULL;
2891         int                     all_iconics;
2892
2893         if (!(r && r->ws))
2894                 return;
2895
2896         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2897
2898         /* treat FOCUS_CUR special */
2899         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2900                 if (r->ws->focus && r->ws->focus->iconic == 0)
2901                         winfocus = r->ws->focus;
2902                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2903                         winfocus = r->ws->focus_prev;
2904                 else
2905                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2906                                 if (winfocus->iconic == 0)
2907                                         break;
2908
2909                 focus_magic(winfocus);
2910                 return;
2911         }
2912
2913         if ((cur_focus = r->ws->focus) == NULL)
2914                 return;
2915         ws = r->ws;
2916         wl = &ws->winlist;
2917         if (TAILQ_EMPTY(wl))
2918                 return;
2919         /* make sure there is at least one uniconified window */
2920         all_iconics = 1;
2921         TAILQ_FOREACH(winfocus, wl, entry)
2922                 if (winfocus->iconic == 0) {
2923                         all_iconics = 0;
2924                         break;
2925                 }
2926         if (all_iconics)
2927                 return;
2928
2929         switch (args->id) {
2930         case SWM_ARG_ID_FOCUSPREV:
2931                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2932                 if (head == NULL)
2933                         head = TAILQ_LAST(wl, ws_win_list);
2934                 winfocus = head;
2935                 if (WINID(winfocus) == cur_focus->transient) {
2936                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2937                         if (head == NULL)
2938                                 head = TAILQ_LAST(wl, ws_win_list);
2939                         winfocus = head;
2940                 }
2941
2942                 /* skip iconics */
2943                 if (winfocus && winfocus->iconic) {
2944                         while (winfocus != cur_focus) {
2945                                 if (winfocus == NULL)
2946                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2947                                 if (winfocus->iconic == 0)
2948                                         break;
2949                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2950                                     entry);
2951                         }
2952                 }
2953                 break;
2954
2955         case SWM_ARG_ID_FOCUSNEXT:
2956                 head = TAILQ_NEXT(cur_focus, entry);
2957                 if (head == NULL)
2958                         head = TAILQ_FIRST(wl);
2959                 winfocus = head;
2960
2961                 /* skip iconics */
2962                 if (winfocus && winfocus->iconic) {
2963                         while (winfocus != cur_focus) {
2964                                 if (winfocus == NULL)
2965                                         winfocus = TAILQ_FIRST(wl);
2966                                 if (winfocus->iconic == 0)
2967                                         break;
2968                                 winfocus = TAILQ_NEXT(winfocus, entry);
2969                         }
2970                 }
2971                 break;
2972
2973         case SWM_ARG_ID_FOCUSMAIN:
2974                 winfocus = TAILQ_FIRST(wl);
2975                 if (winfocus == cur_focus)
2976                         winfocus = cur_focus->ws->focus_prev;
2977                 break;
2978
2979         default:
2980                 return;
2981         }
2982
2983         focus_magic(winfocus);
2984
2985         xcb_flush(conn);
2986 }
2987
2988 void
2989 cycle_layout(struct swm_region *r, union arg *args)
2990 {
2991         struct workspace        *ws = r->ws;
2992         union arg               a;
2993
2994         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2995
2996         ws->cur_layout++;
2997         if (ws->cur_layout->l_stack == NULL)
2998                 ws->cur_layout = &layouts[0];
2999
3000         stack();
3001         bar_update();
3002
3003         if (focus_mode == SWM_FOCUS_DEFAULT)
3004                 event_drain(XCB_ENTER_NOTIFY);
3005
3006         a.id = SWM_ARG_ID_FOCUSCUR;
3007         focus(r, &a);
3008 }
3009
3010 void
3011 stack_config(struct swm_region *r, union arg *args)
3012 {
3013         struct workspace        *ws = r->ws;
3014
3015         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3016             args->id, ws->idx);
3017
3018         if (ws->cur_layout->l_config != NULL)
3019                 ws->cur_layout->l_config(ws, args->id);
3020
3021         if (args->id != SWM_ARG_ID_STACKINIT)
3022                 stack();
3023         bar_update();
3024 }
3025
3026 void
3027 stack(void) {
3028         struct swm_geometry     g;
3029         struct swm_region       *r;
3030         int                     i, num_screens;
3031 #ifdef SWM_DEBUG
3032         int j;
3033 #endif
3034
3035         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3036
3037         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3038         for (i = 0; i < num_screens; i++) {
3039 #ifdef SWM_DEBUG
3040                 j = 0;
3041 #endif
3042                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3043                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3044                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3045
3046                         /* start with screen geometry, adjust for bar */
3047                         g = r->g;
3048                         g.w -= 2 * border_width;
3049                         g.h -= 2 * border_width;
3050                         if (bar_enabled) {
3051                                 if (!bar_at_bottom)
3052                                         g.y += bar_height;
3053                                 g.h -= bar_height;
3054                         }
3055                         r->ws->cur_layout->l_stack(r->ws, &g);
3056                         r->ws->cur_layout->l_string(r->ws);
3057                         /* save r so we can track region changes */
3058                         r->ws->old_r = r;
3059                 }
3060         }
3061         if (font_adjusted)
3062                 font_adjusted--;
3063
3064         if (focus_mode == SWM_FOCUS_DEFAULT)
3065                 event_drain(XCB_ENTER_NOTIFY);
3066
3067         DNPRINTF(SWM_D_STACK, "stack: end\n");
3068 }
3069
3070 void
3071 store_float_geom(struct ws_win *win, struct swm_region *r)
3072 {
3073         /* retain window geom and region geom */
3074         win->g_float = win->g;
3075         win->g_float.x -= X(r);
3076         win->g_float.y -= Y(r);
3077         win->g_floatvalid = 1;
3078         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3079             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3080             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3081             win->g_float.w, win->g_float.h);
3082 }
3083
3084 void
3085 stack_floater(struct ws_win *win, struct swm_region *r)
3086 {
3087         if (win == NULL)
3088                 return;
3089
3090         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3091
3092         /*
3093          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3094          * geom on ws switches or return from max mode
3095          */
3096         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3097             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3098                 /* refloat at last floating relative position */
3099                 win->g = win->g_float;
3100                 X(win) += X(r);
3101                 Y(win) += Y(r);
3102         }
3103
3104         win->floatmaxed = 0;
3105
3106         /*
3107          * if set to fullscreen mode, configure window to maximum size.
3108          */
3109         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3110                 if (!win->g_floatvalid)
3111                         store_float_geom(win, win->ws->r);
3112
3113                 win->g = win->ws->r->g;
3114         }
3115
3116         /*
3117          * remove border on fullscreen floater when in fullscreen mode or when
3118          * the quirk is present.
3119          */
3120         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3121             ((win->quirks & SWM_Q_FULLSCREEN) &&
3122              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3123                 if (win->bordered) {
3124                         win->bordered = 0;
3125                         X(win) += border_width;
3126                         Y(win) += border_width;
3127                 }
3128         } else if (!win->bordered) {
3129                 win->bordered = 1;
3130                 X(win) -= border_width;
3131                 Y(win) -= border_width;
3132         }
3133
3134         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3135                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3136                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3137         }
3138
3139         if (!win->manual) {
3140                 /*
3141                  * floaters and transients are auto-centred unless moved
3142                  * or resized
3143                  */
3144                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3145                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3146         }
3147
3148         /* keep window within region bounds */
3149         constrain_window(win, r, 0);
3150
3151         update_window(win);
3152 }
3153
3154 /*
3155  * Send keystrokes to terminal to decrease/increase the font size as the
3156  * window size changes.
3157  */
3158 void
3159 adjust_font(struct ws_win *win)
3160 {
3161         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3162             win->floating || win->transient)
3163                 return;
3164
3165         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3166             WIDTH(win) / win->sh.width_inc < term_width &&
3167             win->font_steps < SWM_MAX_FONT_STEPS) {
3168                 win->font_size_boundary[win->font_steps] =
3169                     (win->sh.width_inc * term_width) + win->sh.base_width;
3170                 win->font_steps++;
3171                 font_adjusted++;
3172                 win->last_inc = win->sh.width_inc;
3173                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3174         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3175             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3176                 win->font_steps--;
3177                 font_adjusted++;
3178                 win->last_inc = win->sh.width_inc;
3179                 fake_keypress(win, XK_KP_Add, ShiftMask);
3180         }
3181 }
3182
3183 #define SWAPXY(g)       do {                            \
3184         int tmp;                                        \
3185         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3186         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3187 } while (0)
3188 void
3189 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3190 {
3191         struct swm_geometry     win_g, r_g = *g;
3192         struct ws_win           *win, *fs_win = NULL;
3193         int                     i, j, s, stacks;
3194         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3195         int                     hrh, extra = 0, h_slice, last_h = 0;
3196         int                     split, colno, winno, mwin, msize, mscale;
3197         int                     remain, missing, v_slice, reconfigure;
3198         int                     bordered = 1;
3199         xcb_get_window_attributes_reply_t *war;
3200
3201         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3202             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3203
3204         winno = count_win(ws, 0);
3205         if (winno == 0 && count_win(ws, 1) == 0)
3206                 return;
3207
3208         TAILQ_FOREACH(win, &ws->winlist, entry)
3209                 if (win->transient == 0 && win->floating == 0
3210                     && win->iconic == 0)
3211                         break;
3212
3213         if (win == NULL)
3214                 goto notiles;
3215
3216         if (rot) {
3217                 w_inc = win->sh.width_inc;
3218                 w_base = win->sh.base_width;
3219                 mwin = ws->l_state.horizontal_mwin;
3220                 mscale = ws->l_state.horizontal_msize;
3221                 stacks = ws->l_state.horizontal_stacks;
3222                 SWAPXY(&r_g);
3223         } else {
3224                 w_inc = win->sh.height_inc;
3225                 w_base = win->sh.base_height;
3226                 mwin = ws->l_state.vertical_mwin;
3227                 mscale = ws->l_state.vertical_msize;
3228                 stacks = ws->l_state.vertical_stacks;
3229         }
3230         win_g = r_g;
3231
3232         if (stacks > winno - mwin)
3233                 stacks = winno - mwin;
3234         if (stacks < 1)
3235                 stacks = 1;
3236
3237         h_slice = r_g.h / SWM_H_SLICE;
3238         if (mwin && winno > mwin) {
3239                 v_slice = r_g.w / SWM_V_SLICE;
3240
3241                 split = mwin;
3242                 colno = split;
3243                 win_g.w = v_slice * mscale;
3244
3245                 if (w_inc > 1 && w_inc < v_slice) {
3246                         /* adjust for window's requested size increment */
3247                         remain = (win_g.w - w_base) % w_inc;
3248                         win_g.w -= remain;
3249                 }
3250
3251                 msize = win_g.w;
3252                 if (flip)
3253                         win_g.x += r_g.w - msize;
3254         } else {
3255                 msize = -2;
3256                 colno = split = winno / stacks;
3257                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3258                     2 * border_width) / stacks);
3259         }
3260         hrh = r_g.h / colno;
3261         extra = r_g.h - (colno * hrh);
3262         win_g.h = hrh - 2 * border_width;
3263
3264         /*  stack all the tiled windows */
3265         i = j = 0, s = stacks;
3266         TAILQ_FOREACH(win, &ws->winlist, entry) {
3267                 if (win->transient != 0 || win->floating != 0)
3268                         continue;
3269                 if (win->iconic != 0)
3270                         continue;
3271
3272                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3273                         fs_win = win;
3274                         continue;
3275                 }
3276
3277                 if (split && i == split) {
3278                         colno = (winno - mwin) / stacks;
3279                         if (s <= (winno - mwin) % stacks)
3280                                 colno++;
3281                         split = split + colno;
3282                         hrh = (r_g.h / colno);
3283                         extra = r_g.h - (colno * hrh);
3284                         if (flip)
3285                                 win_g.x = r_g.x;
3286                         else
3287                                 win_g.x += win_g.w + 2 * border_width;
3288                         win_g.w = (r_g.w - msize -
3289                             (stacks * 2 * border_width)) / stacks;
3290                         if (s == 1)
3291                                 win_g.w += (r_g.w - msize -
3292                                     (stacks * 2 * border_width)) % stacks;
3293                         s--;
3294                         j = 0;
3295                 }
3296                 win_g.h = hrh - 2 * border_width;
3297                 if (rot) {
3298                         h_inc = win->sh.width_inc;
3299                         h_base = win->sh.base_width;
3300                 } else {
3301                         h_inc = win->sh.height_inc;
3302                         h_base = win->sh.base_height;
3303                 }
3304                 if (j == colno - 1) {
3305                         win_g.h = hrh + extra;
3306                 } else if (h_inc > 1 && h_inc < h_slice) {
3307                         /* adjust for window's requested size increment */
3308                         remain = (win_g.h - h_base) % h_inc;
3309                         missing = h_inc - remain;
3310
3311                         if (missing <= extra || j == 0) {
3312                                 extra -= missing;
3313                                 win_g.h += missing;
3314                         } else {
3315                                 win_g.h -= remain;
3316                                 extra += remain;
3317                         }
3318                 }
3319
3320                 if (j == 0)
3321                         win_g.y = r_g.y;
3322                 else
3323                         win_g.y += last_h + 2 * border_width;
3324
3325                 if (disable_border && bar_enabled == 0 && winno == 1){
3326                         bordered = 0;
3327                         win_g.w += 2 * border_width;
3328                         win_g.h += 2 * border_width;
3329                 } else {
3330                         bordered = 1;
3331                 }
3332                 if (rot) {
3333                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3334                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3335                                 reconfigure = 1;
3336                                 X(win) = win_g.y;
3337                                 Y(win) = win_g.x;
3338                                 WIDTH(win) = win_g.h;
3339                                 HEIGHT(win) = win_g.w;
3340                         }
3341                 } else {
3342                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3343                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3344                                 reconfigure = 1;
3345                                 X(win) = win_g.x;
3346                                 Y(win) = win_g.y;
3347                                 WIDTH(win) = win_g.w;
3348                                 HEIGHT(win) = win_g.h;
3349                         }
3350                 }
3351
3352                 if (bordered != win->bordered) {
3353                         reconfigure = 1;
3354                         win->bordered = bordered;
3355                 }
3356
3357                 if (reconfigure) {
3358                         adjust_font(win);
3359                         update_window(win);
3360                 }
3361
3362                 war = xcb_get_window_attributes_reply(conn,
3363                         xcb_get_window_attributes(conn, win->id),
3364                         NULL);
3365                 if (war) {
3366                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3367                                 map_window_raised(win->id);
3368                         free(war);
3369                 }
3370
3371                 last_h = win_g.h;
3372                 i++;
3373                 j++;
3374         }
3375
3376 notiles:
3377         /* now, stack all the floaters and transients */
3378         TAILQ_FOREACH(win, &ws->winlist, entry) {
3379                 if (win->transient == 0 && win->floating == 0)
3380                         continue;
3381                 if (win->iconic == 1)
3382                         continue;
3383                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3384                         fs_win = win;
3385                         continue;
3386                 }
3387
3388                 stack_floater(win, ws->r);
3389                 map_window_raised(win->id);
3390         }
3391
3392         if (fs_win) {
3393                 stack_floater(fs_win, ws->r);
3394                 map_window_raised(fs_win->id);
3395         }
3396 }
3397
3398 void
3399 vertical_config(struct workspace *ws, int id)
3400 {
3401         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3402             id, ws->idx);
3403
3404         switch (id) {
3405         case SWM_ARG_ID_STACKRESET:
3406         case SWM_ARG_ID_STACKINIT:
3407                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3408                 ws->l_state.vertical_mwin = 1;
3409                 ws->l_state.vertical_stacks = 1;
3410                 break;
3411         case SWM_ARG_ID_MASTERSHRINK:
3412                 if (ws->l_state.vertical_msize > 1)
3413                         ws->l_state.vertical_msize--;
3414                 break;
3415         case SWM_ARG_ID_MASTERGROW:
3416                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3417                         ws->l_state.vertical_msize++;
3418                 break;
3419         case SWM_ARG_ID_MASTERADD:
3420                 ws->l_state.vertical_mwin++;
3421                 break;
3422         case SWM_ARG_ID_MASTERDEL:
3423                 if (ws->l_state.vertical_mwin > 0)
3424                         ws->l_state.vertical_mwin--;
3425                 break;
3426         case SWM_ARG_ID_STACKINC:
3427                 ws->l_state.vertical_stacks++;
3428                 break;
3429         case SWM_ARG_ID_STACKDEC:
3430                 if (ws->l_state.vertical_stacks > 1)
3431                         ws->l_state.vertical_stacks--;
3432                 break;
3433         case SWM_ARG_ID_FLIPLAYOUT:
3434                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3435                 break;
3436         default:
3437                 return;
3438         }
3439 }
3440
3441 void
3442 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3443 {
3444         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3445
3446         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3447 }
3448
3449 void
3450 horizontal_config(struct workspace *ws, int id)
3451 {
3452         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3453
3454         switch (id) {
3455         case SWM_ARG_ID_STACKRESET:
3456         case SWM_ARG_ID_STACKINIT:
3457                 ws->l_state.horizontal_mwin = 1;
3458                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3459                 ws->l_state.horizontal_stacks = 1;
3460                 break;
3461         case SWM_ARG_ID_MASTERSHRINK:
3462                 if (ws->l_state.horizontal_msize > 1)
3463                         ws->l_state.horizontal_msize--;
3464                 break;
3465         case SWM_ARG_ID_MASTERGROW:
3466                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3467                         ws->l_state.horizontal_msize++;
3468                 break;
3469         case SWM_ARG_ID_MASTERADD:
3470                 ws->l_state.horizontal_mwin++;
3471                 break;
3472         case SWM_ARG_ID_MASTERDEL:
3473                 if (ws->l_state.horizontal_mwin > 0)
3474                         ws->l_state.horizontal_mwin--;
3475                 break;
3476         case SWM_ARG_ID_STACKINC:
3477                 ws->l_state.horizontal_stacks++;
3478                 break;
3479         case SWM_ARG_ID_STACKDEC:
3480                 if (ws->l_state.horizontal_stacks > 1)
3481                         ws->l_state.horizontal_stacks--;
3482                 break;
3483         case SWM_ARG_ID_FLIPLAYOUT:
3484                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3485                 break;
3486         default:
3487                 return;
3488         }
3489 }
3490
3491 void
3492 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3493 {
3494         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3495
3496         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3497 }
3498
3499 /* fullscreen view */
3500 void
3501 max_stack(struct workspace *ws, struct swm_geometry *g)
3502 {
3503         struct swm_geometry     gg = *g;
3504         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3505         int                     winno, num_screens;
3506
3507         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3508
3509         if (ws == NULL)
3510                 return;
3511
3512         winno = count_win(ws, 0);
3513         if (winno == 0 && count_win(ws, 1) == 0)
3514                 return;
3515
3516         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3517         TAILQ_FOREACH(win, &ws->winlist, entry) {
3518                 if (win->transient) {
3519                         wintrans = win;
3520                         parent = find_window(win->transient);
3521                         continue;
3522                 }
3523
3524                 if (win->floating && win->floatmaxed == 0 ) {
3525                         /*
3526                          * retain geometry for retrieval on exit from
3527                          * max_stack mode
3528                          */
3529                         store_float_geom(win, ws->r);
3530                         win->floatmaxed = 1;
3531                 }
3532
3533                 /* only reconfigure if necessary */
3534                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3535                     HEIGHT(win) != gg.h) {
3536                         win->g = gg;
3537                         if (bar_enabled){
3538                                 win->bordered = 1;
3539                         } else {
3540                                 win->bordered = 0;
3541                                 WIDTH(win) += 2 * border_width;
3542                                 HEIGHT(win) += 2 * border_width;
3543                         }
3544
3545                         update_window(win);
3546                 }
3547                 /* unmap only if we don't have multi screen */
3548                 if (win != ws->focus)
3549                         if (!(num_screens > 1 || outputs > 1))
3550                                 unmap_window(win);
3551         }
3552
3553         /* put the last transient on top */
3554         if (wintrans) {
3555                 if (parent)
3556                         map_window_raised(parent->id);
3557                 stack_floater(wintrans, ws->r);
3558                 focus_magic(wintrans);
3559         }
3560 }
3561
3562 void
3563 send_to_ws(struct swm_region *r, union arg *args)
3564 {
3565         int                     wsid = args->id;
3566         struct ws_win           *win = NULL, *parent;
3567         struct workspace        *ws, *nws;
3568         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3569         char                    ws_idx_str[SWM_PROPLEN];
3570         union arg               a;
3571
3572         if (wsid >= workspace_limit)
3573                 return;
3574
3575         if (r && r->ws && r->ws->focus)
3576                 win = r->ws->focus;
3577         else
3578                 return;
3579         if (win == NULL)
3580                 return;
3581         if (win->ws->idx == wsid)
3582                 return;
3583
3584         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3585
3586         ws = win->ws;
3587         nws = &win->s->ws[wsid];
3588
3589         a.id = SWM_ARG_ID_FOCUSPREV;
3590         focus(r, &a);
3591         if (win->transient) {
3592                 parent = find_window(win->transient);
3593                 if (parent) {
3594                         unmap_window(parent);
3595                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3596                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3597                         parent->ws = nws;
3598                 }
3599         }
3600         unmap_window(win);
3601         TAILQ_REMOVE(&ws->winlist, win, entry);
3602         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3603         if (TAILQ_EMPTY(&ws->winlist))
3604                 r->ws->focus = NULL;
3605         win->ws = nws;
3606
3607         /* Try to update the window's workspace property */
3608         ws_idx_atom = get_atom_from_string("_SWM_WS");
3609         if (ws_idx_atom &&
3610             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3611                 SWM_PROPLEN) {
3612                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3613                     ws_idx_str);
3614                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3615                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3616                     ws_idx_str);
3617         }
3618
3619         stack();
3620         bar_update();
3621
3622         xcb_flush(conn);
3623 }
3624
3625 void
3626 pressbutton(struct swm_region *r, union arg *args)
3627 {
3628         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3629             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3630         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3631             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3632 }
3633
3634 void
3635 raise_toggle(struct swm_region *r, union arg *args)
3636 {
3637         if (r == NULL || r->ws == NULL)
3638                 return;
3639
3640         r->ws->always_raise = !r->ws->always_raise;
3641
3642         /* bring floaters back to top */
3643         if (r->ws->always_raise == 0)
3644                 stack();
3645
3646         xcb_flush(conn);
3647 }
3648
3649 void
3650 iconify(struct swm_region *r, union arg *args)
3651 {
3652         union arg a;
3653
3654         if (r->ws->focus == NULL)
3655                 return;
3656         unmap_window(r->ws->focus);
3657         update_iconic(r->ws->focus, 1);
3658         stack();
3659
3660         r->ws->focus = NULL;
3661         a.id = SWM_ARG_ID_FOCUSCUR;
3662         focus(r, &a);
3663
3664         xcb_flush(conn);
3665 }
3666
3667 char *
3668 get_win_name(xcb_window_t win)
3669 {
3670         char                            *name = NULL;
3671         xcb_get_property_cookie_t       c;
3672         xcb_icccm_get_text_property_reply_t     r;
3673
3674         c = xcb_icccm_get_wm_name(conn, win);
3675         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3676                 if (r.name_len > 0) {
3677                         name = malloc(r.name_len + 1);
3678                         if (!name) {
3679                                 xcb_icccm_get_text_property_reply_wipe(&r);
3680                                 return (NULL);
3681                         }
3682                         memcpy(name, r.name, r.name_len);
3683                         name[r.name_len] = '\0';
3684                 }
3685                 xcb_icccm_get_text_property_reply_wipe(&r);
3686         }
3687
3688         return (name);
3689 }
3690
3691 void
3692 uniconify(struct swm_region *r, union arg *args)
3693 {
3694         struct ws_win           *win;
3695         FILE                    *lfile;
3696         char                    *name;
3697         int                     count = 0;
3698
3699         DNPRINTF(SWM_D_MISC, "uniconify\n");
3700
3701         if (r == NULL || r->ws == NULL)
3702                 return;
3703
3704         /* make sure we have anything to uniconify */
3705         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3706                 if (win->ws == NULL)
3707                         continue; /* should never happen */
3708                 if (win->iconic == 0)
3709                         continue;
3710                 count++;
3711         }
3712         if (count == 0)
3713                 return;
3714
3715         search_r = r;
3716         search_resp_action = SWM_SEARCH_UNICONIFY;
3717
3718         spawn_select(r, args, "search", &searchpid);
3719
3720         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3721                 return;
3722
3723         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3724                 if (win->ws == NULL)
3725                         continue; /* should never happen */
3726                 if (win->iconic == 0)
3727                         continue;
3728
3729                 name = get_win_name(win->id);
3730                 if (name == NULL)
3731                         continue;
3732                 fprintf(lfile, "%s.%u\n", name, win->id);
3733                 free(name);
3734         }
3735
3736         fclose(lfile);
3737
3738         xcb_flush(conn);
3739 }
3740
3741 void
3742 name_workspace(struct swm_region *r, union arg *args)
3743 {
3744         FILE                    *lfile;
3745
3746         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3747
3748         if (r == NULL)
3749                 return;
3750
3751         search_r = r;
3752         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3753
3754         spawn_select(r, args, "name_workspace", &searchpid);
3755
3756         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3757                 return;
3758
3759         fprintf(lfile, "%s", "");
3760         fclose(lfile);
3761 }
3762
3763 void
3764 search_workspace(struct swm_region *r, union arg *args)
3765 {
3766         int                     i;
3767         struct workspace        *ws;
3768         FILE                    *lfile;
3769
3770         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3771
3772         if (r == NULL)
3773                 return;
3774
3775         search_r = r;
3776         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3777
3778         spawn_select(r, args, "search", &searchpid);
3779
3780         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3781                 return;
3782
3783         for (i = 0; i < workspace_limit; i++) {
3784                 ws = &r->s->ws[i];
3785                 if (ws == NULL)
3786                         continue;
3787                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3788                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3789         }
3790
3791         fclose(lfile);
3792 }
3793
3794 void
3795 search_win_cleanup(void)
3796 {
3797         struct search_window    *sw = NULL;
3798
3799         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3800                 xcb_destroy_window(conn, sw->indicator);
3801                 xcb_free_gc(conn, sw->gc);
3802                 TAILQ_REMOVE(&search_wl, sw, entry);
3803                 free(sw);
3804         }
3805 }
3806
3807 void
3808 search_win(struct swm_region *r, union arg *args)
3809 {
3810         struct ws_win           *win = NULL;
3811         struct search_window    *sw = NULL;
3812         xcb_window_t            w;
3813         uint32_t                gcv[3], wa[2];
3814         int                     i;
3815         char                    s[8];
3816         FILE                    *lfile;
3817         size_t                  len;
3818         XGlyphInfo              info;
3819
3820         DNPRINTF(SWM_D_MISC, "search_win\n");
3821
3822         search_r = r;
3823         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3824
3825         spawn_select(r, args, "search", &searchpid);
3826
3827         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3828                 return;
3829
3830         TAILQ_INIT(&search_wl);
3831
3832         i = 1;
3833         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3834                 if (win->iconic == 1)
3835                         continue;
3836
3837                 sw = calloc(1, sizeof(struct search_window));
3838                 if (sw == NULL) {
3839                         warn("search_win: calloc");
3840                         fclose(lfile);
3841                         search_win_cleanup();
3842                         return;
3843                 }
3844                 sw->idx = i;
3845                 sw->win = win;
3846
3847                 snprintf(s, sizeof s, "%d", i);
3848                 len = strlen(s);
3849
3850                 XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
3851
3852                 w = xcb_generate_id(conn);
3853                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3854                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3855                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3856                     info.width + 4, bar_font->height + 4,
3857                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3858                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3859
3860                 sw->indicator = w;
3861                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3862
3863                 sw->gc = xcb_generate_id(conn);
3864                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3865                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].color;
3866                 gcv[2] = 0;
3867                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3868                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
3869                 map_window_raised(w);
3870
3871                 xcb_image_text_8(conn, len, w, sw->gc, 2, bar_font->height, s);
3872
3873                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3874
3875                 fprintf(lfile, "%d\n", i);
3876                 i++;
3877         }
3878
3879         fclose(lfile);
3880
3881         xcb_flush(conn);
3882 }
3883
3884 void
3885 search_resp_uniconify(char *resp, unsigned long len)
3886 {
3887         char                    *name;
3888         struct ws_win           *win;
3889         char                    *s;
3890
3891         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3892
3893         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3894                 if (win->iconic == 0)
3895                         continue;
3896                 name = get_win_name(win->id);
3897                 if (name == NULL)
3898                         continue;
3899                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3900                         free(name);
3901                         continue;
3902                 }
3903                 free(name);
3904                 if (strncmp(s, resp, len) == 0) {
3905                         /* XXX this should be a callback to generalize */
3906                         update_iconic(win, 0);
3907                         free(s);
3908                         break;
3909                 }
3910                 free(s);
3911         }
3912 }
3913
3914 void
3915 search_resp_name_workspace(char *resp, unsigned long len)
3916 {
3917         struct workspace        *ws;
3918
3919         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3920
3921         if (search_r->ws == NULL)
3922                 return;
3923         ws = search_r->ws;
3924
3925         if (ws->name) {
3926                 free(search_r->ws->name);
3927                 search_r->ws->name = NULL;
3928         }
3929
3930         if (len > 1) {
3931                 ws->name = strdup(resp);
3932                 if (ws->name == NULL) {
3933                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3934                             "strdup: %s", strerror(errno));
3935                         return;
3936                 }
3937         }
3938 }
3939
3940 void
3941 search_resp_search_workspace(char *resp, unsigned long len)
3942 {
3943         char                    *p, *q;
3944         int                     ws_idx;
3945         const char              *errstr;
3946         union arg               a;
3947
3948         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3949
3950         q = strdup(resp);
3951         if (!q) {
3952                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3953                     strerror(errno));
3954                 return;
3955         }
3956         p = strchr(q, ':');
3957         if (p != NULL)
3958                 *p = '\0';
3959         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
3960         if (errstr) {
3961                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3962                     errstr, q);
3963                 free(q);
3964                 return;
3965         }
3966         free(q);
3967         a.id = ws_idx - 1;
3968         switchws(search_r, &a);
3969 }
3970
3971 void
3972 search_resp_search_window(char *resp, unsigned long len)
3973 {
3974         char                    *s;
3975         int                     idx;
3976         const char              *errstr;
3977         struct search_window    *sw;
3978
3979         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3980
3981         s = strdup(resp);
3982         if (!s) {
3983                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3984                     strerror(errno));
3985                 return;
3986         }
3987
3988         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
3989         if (errstr) {
3990                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3991                     errstr, s);
3992                 free(s);
3993                 return;
3994         }
3995         free(s);
3996
3997         TAILQ_FOREACH(sw, &search_wl, entry)
3998                 if (idx == sw->idx) {
3999                         focus_win(sw->win);
4000                         break;
4001                 }
4002 }
4003
4004 #define MAX_RESP_LEN    1024
4005
4006 void
4007 search_do_resp(void)
4008 {
4009         ssize_t                 rbytes;
4010         char                    *resp;
4011         unsigned long           len;
4012
4013         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4014
4015         search_resp = 0;
4016         searchpid = 0;
4017
4018         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4019                 warn("search: calloc");
4020                 goto done;
4021         }
4022
4023         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4024         if (rbytes <= 0) {
4025                 warn("search: read error");
4026                 goto done;
4027         }
4028         resp[rbytes] = '\0';
4029
4030         /* XXX:
4031          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4032          * newline, so work around that by sanitizing the resp now.
4033          */
4034         resp[strcspn(resp, "\n")] = '\0';
4035         len = strlen(resp);
4036
4037         switch (search_resp_action) {
4038         case SWM_SEARCH_UNICONIFY:
4039                 search_resp_uniconify(resp, len);
4040                 break;
4041         case SWM_SEARCH_NAME_WORKSPACE:
4042                 search_resp_name_workspace(resp, len);
4043                 break;
4044         case SWM_SEARCH_SEARCH_WORKSPACE:
4045                 search_resp_search_workspace(resp, len);
4046                 break;
4047         case SWM_SEARCH_SEARCH_WINDOW:
4048                 search_resp_search_window(resp, len);
4049                 break;
4050         }
4051
4052 done:
4053         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4054                 search_win_cleanup();
4055
4056         search_resp_action = SWM_SEARCH_NONE;
4057         close(select_resp_pipe[0]);
4058         free(resp);
4059 }
4060
4061 void
4062 wkill(struct swm_region *r, union arg *args)
4063 {
4064         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4065
4066         if (r->ws->focus == NULL)
4067                 return;
4068
4069         if (args->id == SWM_ARG_ID_KILLWINDOW)
4070                 xcb_kill_client(conn, r->ws->focus->id);
4071         else
4072                 if (r->ws->focus->can_delete)
4073                         client_msg(r->ws->focus, a_delete);
4074
4075         xcb_flush(conn);
4076 }
4077
4078
4079 int
4080 floating_toggle_win(struct ws_win *win)
4081 {
4082         struct swm_region       *r;
4083
4084         if (win == NULL)
4085                 return (0);
4086
4087         if (!win->ws->r)
4088                 return (0);
4089
4090         r = win->ws->r;
4091
4092         /* reject floating toggles in max stack mode */
4093         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4094                 return (0);
4095
4096         if (win->floating) {
4097                 if (!win->floatmaxed) {
4098                         /* retain position for refloat */
4099                         store_float_geom(win, r);
4100                 }
4101                 win->floating = 0;
4102         } else {
4103                 if (win->g_floatvalid) {
4104                         /* refloat at last floating relative position */
4105                         X(win) = win->g_float.x + X(r);
4106                         Y(win) = win->g_float.y + Y(r);
4107                         WIDTH(win) = win->g_float.w;
4108                         HEIGHT(win) = win->g_float.h;
4109                 }
4110                 win->floating = 1;
4111         }
4112
4113         ewmh_update_actions(win);
4114
4115         return (1);
4116 }
4117
4118 void
4119 floating_toggle(struct swm_region *r, union arg *args)
4120 {
4121         struct ws_win           *win = r->ws->focus;
4122         union arg               a;
4123
4124         if (win == NULL)
4125                 return;
4126
4127         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4128             _NET_WM_STATE_TOGGLE);
4129
4130         stack();
4131
4132         if (win == win->ws->focus) {
4133                 a.id = SWM_ARG_ID_FOCUSCUR;
4134                 focus(win->ws->r, &a);
4135         }
4136
4137         xcb_flush(conn);
4138         event_drain(XCB_ENTER_NOTIFY);
4139 }
4140
4141 void
4142 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4143 {
4144         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4145                 if (resizable)
4146                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4147                 else
4148                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4149         }
4150
4151         if (X(win) + BORDER(win) < X(r)) {
4152                 if (resizable)
4153                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4154
4155                 X(win) = X(r) - BORDER(win);
4156         }
4157
4158         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4159                 if (resizable)
4160                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4161                 else
4162                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4163         }
4164
4165         if (Y(win) + BORDER(win) < Y(r)) {
4166                 if (resizable)
4167                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4168
4169                 Y(win) = Y(r) - BORDER(win);
4170         }
4171
4172         if (resizable) {
4173                 if (WIDTH(win) < 1)
4174                         WIDTH(win) = 1;
4175                 if (HEIGHT(win) < 1)
4176                         HEIGHT(win) = 1;
4177         }
4178 }
4179
4180 void
4181 update_window(struct ws_win *win)
4182 {
4183         uint16_t        mask;
4184         uint32_t        wc[5];
4185
4186         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4187                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4188                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4189         wc[0] = X(win);
4190         wc[1] = Y(win);
4191         wc[2] = WIDTH(win);
4192         wc[3] = HEIGHT(win);
4193         wc[4] = BORDER(win);
4194
4195         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4196             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4197             wc[3], YESNO(win->bordered));
4198
4199         xcb_configure_window(conn, win->id, mask, wc);
4200 }
4201
4202 #define SWM_RESIZE_STEPS        (50)
4203
4204 void
4205 resize(struct ws_win *win, union arg *args)
4206 {
4207         xcb_timestamp_t         timestamp = 0;
4208         struct swm_region       *r = NULL;
4209         int                     resize_step = 0;
4210         struct swm_geometry     g;
4211         int                     top = 0, left = 0, resizing;
4212         int                     dx, dy;
4213         unsigned int            shape; /* cursor style */
4214         xcb_cursor_t            cursor;
4215         xcb_font_t              cursor_font;
4216         xcb_grab_pointer_cookie_t       gpc;
4217         xcb_grab_pointer_reply_t        *gpr;
4218         xcb_query_pointer_reply_t       *xpr;
4219         xcb_generic_event_t             *evt;
4220         xcb_motion_notify_event_t       *mne;
4221
4222         if (win == NULL)
4223                 return;
4224         r = win->ws->r;
4225
4226         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4227                 return;
4228
4229         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4230             "transient: 0x%x\n", win->id, YESNO(win->floating),
4231             win->transient);
4232
4233         if (!(win->transient != 0 || win->floating != 0))
4234                 return;
4235
4236         /* reject resizes in max mode for floaters (transient ok) */
4237         if (win->floatmaxed)
4238                 return;
4239
4240         win->manual = 1;
4241         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4242             _NET_WM_STATE_ADD);
4243
4244         stack();
4245
4246         switch (args->id) {
4247         case SWM_ARG_ID_WIDTHSHRINK:
4248                 WIDTH(win) -= SWM_RESIZE_STEPS;
4249                 resize_step = 1;
4250                 break;
4251         case SWM_ARG_ID_WIDTHGROW:
4252                 WIDTH(win) += SWM_RESIZE_STEPS;
4253                 resize_step = 1;
4254                 break;
4255         case SWM_ARG_ID_HEIGHTSHRINK:
4256                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4257                 resize_step = 1;
4258                 break;
4259         case SWM_ARG_ID_HEIGHTGROW:
4260                 HEIGHT(win) += SWM_RESIZE_STEPS;
4261                 resize_step = 1;
4262                 break;
4263         default:
4264                 break;
4265         }
4266         if (resize_step) {
4267                 constrain_window(win, r, 1);
4268                 update_window(win);
4269                 store_float_geom(win,r);
4270                 return;
4271         }
4272
4273         /* get cursor offset from window root */
4274         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4275             NULL);
4276         if (!xpr)
4277                 return;
4278
4279         g = win->g;
4280
4281         if (xpr->win_x < WIDTH(win) / 2)
4282                 left = 1;
4283
4284         if (xpr->win_y < HEIGHT(win) / 2)
4285                 top = 1;
4286
4287         if (args->id == SWM_ARG_ID_CENTER)
4288                 shape = XC_sizing;
4289         else if (top)
4290                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4291         else
4292                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4293
4294         cursor_font = xcb_generate_id(conn);
4295         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4296
4297         cursor = xcb_generate_id(conn);
4298         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4299             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4300
4301         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4302             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4303             XCB_CURRENT_TIME),
4304         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4305         if (!gpr) {
4306                 xcb_free_cursor(conn, cursor);
4307                 xcb_close_font(conn, cursor_font);
4308                 free(xpr);
4309                 return;
4310         }
4311
4312         xcb_flush(conn);
4313         resizing = 1;
4314         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4315                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4316                 case XCB_BUTTON_RELEASE:
4317                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4318                         resizing = 0;
4319                         break;
4320                 case XCB_MOTION_NOTIFY:
4321                         mne = (xcb_motion_notify_event_t *)evt;
4322                         /* cursor offset/delta from start of the operation */
4323                         dx = mne->root_x - xpr->root_x;
4324                         dy = mne->root_y - xpr->root_y;
4325
4326                         /* vertical */
4327                         if (top)
4328                                 dy = -dy;
4329
4330                         if (args->id == SWM_ARG_ID_CENTER) {
4331                                 if (g.h / 2 + dy < 1)
4332                                         dy = 1 - g.h / 2;
4333
4334                                 Y(win) = g.y - dy;
4335                                 HEIGHT(win) = g.h + 2 * dy;
4336                         } else {
4337                                 if (g.h + dy < 1)
4338                                         dy = 1 - g.h;
4339
4340                                 if (top)
4341                                         Y(win) = g.y - dy;
4342
4343                                 HEIGHT(win) = g.h + dy;
4344                         }
4345
4346                         /* horizontal */
4347                         if (left)
4348                                 dx = -dx;
4349
4350                         if (args->id == SWM_ARG_ID_CENTER) {
4351                                 if (g.w / 2 + dx < 1)
4352                                         dx = 1 - g.w / 2;
4353
4354                                 X(win) = g.x - dx;
4355                                 WIDTH(win) = g.w + 2 * dx;
4356                         } else {
4357                                 if (g.w + dx < 1)
4358                                         dx = 1 - g.w;
4359
4360                                 if (left)
4361                                         X(win) = g.x - dx;
4362
4363                                 WIDTH(win) = g.w + dx;
4364                         }
4365
4366                         constrain_window(win, r, 1);
4367
4368                         /* not free, don't sync more than 120 times / second */
4369                         if ((mne->time - timestamp) > (1000 / 120) ) {
4370                                 timestamp = mne->time;
4371                                 do_sync();
4372                                 update_window(win);
4373                         }
4374                         break;
4375                 default:
4376                         event_handle(evt);
4377                         break;
4378                 }
4379                 free(evt);
4380         }
4381         if (timestamp) {
4382                 do_sync();
4383                 update_window(win);
4384         }
4385         store_float_geom(win,r);
4386
4387         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4388         xcb_free_cursor(conn, cursor);
4389         xcb_close_font(conn, cursor_font);
4390         free(gpr);
4391         free(xpr);
4392         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4393 }
4394
4395 void
4396 resize_step(struct swm_region *r, union arg *args)
4397 {
4398         struct ws_win           *win = NULL;
4399
4400         if (r && r->ws && r->ws->focus)
4401                 win = r->ws->focus;
4402         else
4403                 return;
4404
4405         resize(win, args);
4406 }
4407
4408 #define SWM_MOVE_STEPS  (50)
4409
4410 void
4411 move(struct ws_win *win, union arg *args)
4412 {
4413         xcb_timestamp_t         timestamp = 0;
4414         int                     move_step = 0, moving;
4415         struct swm_region       *r = NULL;
4416         xcb_font_t                      cursor_font;
4417         xcb_cursor_t                    cursor;
4418         xcb_grab_pointer_cookie_t       gpc;
4419         xcb_grab_pointer_reply_t        *gpr;
4420         xcb_query_pointer_reply_t       *qpr;
4421         xcb_generic_event_t             *evt;
4422         xcb_motion_notify_event_t       *mne;
4423
4424         if (win == NULL)
4425                 return;
4426         r = win->ws->r;
4427
4428         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4429                 return;
4430
4431         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4432             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4433
4434         /* in max_stack mode should only move transients */
4435         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4436                 return;
4437
4438         win->manual = 1;
4439         if (win->floating == 0 && !win->transient) {
4440                 store_float_geom(win, r);
4441                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4442                     _NET_WM_STATE_ADD);
4443         }
4444         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4445             _NET_WM_STATE_ADD);
4446
4447         stack();
4448
4449         move_step = 0;
4450         switch (args->id) {
4451         case SWM_ARG_ID_MOVELEFT:
4452                 X(win) -= (SWM_MOVE_STEPS - border_width);
4453                 move_step = 1;
4454                 break;
4455         case SWM_ARG_ID_MOVERIGHT:
4456                 X(win) += (SWM_MOVE_STEPS - border_width);
4457                 move_step = 1;
4458                 break;
4459         case SWM_ARG_ID_MOVEUP:
4460                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4461                 move_step = 1;
4462                 break;
4463         case SWM_ARG_ID_MOVEDOWN:
4464                 Y(win) += (SWM_MOVE_STEPS - border_width);
4465                 move_step = 1;
4466                 break;
4467         default:
4468                 break;
4469         }
4470         if (move_step) {
4471                 constrain_window(win, r, 0);
4472                 update_window(win);
4473                 store_float_geom(win, r);
4474                 return;
4475         }
4476
4477         cursor_font = xcb_generate_id(conn);
4478         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4479
4480         cursor = xcb_generate_id(conn);
4481         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4482                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4483
4484         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4485             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4486             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4487         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4488         if (!gpr) {
4489                 xcb_free_cursor(conn, cursor);
4490                 xcb_close_font(conn, cursor_font);
4491                 return;
4492         }
4493
4494         /* get cursor offset from window root */
4495         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4496                 NULL);
4497         if (!qpr) {
4498                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4499                 xcb_free_cursor(conn, cursor);
4500                 xcb_close_font(conn, cursor_font);
4501                 return;
4502         }
4503
4504         xcb_flush(conn);
4505         moving = 1;
4506         while ((evt = xcb_wait_for_event(conn)) && moving) {
4507                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4508                 case XCB_BUTTON_RELEASE:
4509                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4510                         moving = 0;
4511                         break;
4512                 case XCB_MOTION_NOTIFY:
4513                         mne = (xcb_motion_notify_event_t *)evt;
4514                         X(win) = mne->root_x - qpr->win_x - border_width;
4515                         Y(win) = mne->root_y - qpr->win_y - border_width;
4516
4517                         constrain_window(win, r, 0);
4518
4519                         /* not free, don't sync more than 120 times / second */
4520                         if ((mne->time - timestamp) > (1000 / 120) ) {
4521                                 timestamp = mne->time;
4522                                 do_sync();
4523                                 update_window(win);
4524                         }
4525                         break;
4526                 default:
4527                         event_handle(evt);
4528                         break;
4529                 }
4530                 free(evt);
4531         }
4532         if (timestamp) {
4533                 do_sync();
4534                 update_window(win);
4535         }
4536         store_float_geom(win, r);
4537         free(qpr);
4538         xcb_free_cursor(conn, cursor);
4539         xcb_close_font(conn, cursor_font);
4540         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4541         DNPRINTF(SWM_D_EVENT, "move: done\n");
4542 }
4543
4544 void
4545 move_step(struct swm_region *r, union arg *args)
4546 {
4547         struct ws_win           *win = NULL;
4548
4549         if (r && r->ws && r->ws->focus)
4550                 win = r->ws->focus;
4551         else
4552                 return;
4553
4554         if (!(win->transient != 0 || win->floating != 0))
4555                 return;
4556
4557         move(win, args);
4558 }
4559
4560
4561 /* user/key callable function IDs */
4562 enum keyfuncid {
4563         KF_BAR_TOGGLE,
4564         KF_BUTTON2,
4565         KF_CYCLE_LAYOUT,
4566         KF_FLIP_LAYOUT,
4567         KF_FLOAT_TOGGLE,
4568         KF_FOCUS_MAIN,
4569         KF_FOCUS_NEXT,
4570         KF_FOCUS_PREV,
4571         KF_HEIGHT_GROW,
4572         KF_HEIGHT_SHRINK,
4573         KF_ICONIFY,
4574         KF_MASTER_SHRINK,
4575         KF_MASTER_GROW,
4576         KF_MASTER_ADD,
4577         KF_MASTER_DEL,
4578         KF_MOVE_DOWN,
4579         KF_MOVE_LEFT,
4580         KF_MOVE_RIGHT,
4581         KF_MOVE_UP,
4582         KF_MVWS_1,
4583         KF_MVWS_2,
4584         KF_MVWS_3,
4585         KF_MVWS_4,
4586         KF_MVWS_5,
4587         KF_MVWS_6,
4588         KF_MVWS_7,
4589         KF_MVWS_8,
4590         KF_MVWS_9,
4591         KF_MVWS_10,
4592         KF_MVWS_11,
4593         KF_MVWS_12,
4594         KF_MVWS_13,
4595         KF_MVWS_14,
4596         KF_MVWS_15,
4597         KF_MVWS_16,
4598         KF_MVWS_17,
4599         KF_MVWS_18,
4600         KF_MVWS_19,
4601         KF_MVWS_20,
4602         KF_MVWS_21,
4603         KF_MVWS_22,
4604         KF_NAME_WORKSPACE,
4605         KF_QUIT,
4606         KF_RAISE_TOGGLE,
4607         KF_RESTART,
4608         KF_SCREEN_NEXT,
4609         KF_SCREEN_PREV,
4610         KF_SEARCH_WIN,
4611         KF_SEARCH_WORKSPACE,
4612         KF_SPAWN_CUSTOM,
4613         KF_STACK_INC,
4614         KF_STACK_DEC,
4615         KF_STACK_RESET,
4616         KF_SWAP_MAIN,
4617         KF_SWAP_NEXT,
4618         KF_SWAP_PREV,
4619         KF_UNICONIFY,
4620         KF_VERSION,
4621         KF_WIDTH_GROW,
4622         KF_WIDTH_SHRINK,
4623         KF_WIND_DEL,
4624         KF_WIND_KILL,
4625         KF_WS_1,
4626         KF_WS_2,
4627         KF_WS_3,
4628         KF_WS_4,
4629         KF_WS_5,
4630         KF_WS_6,
4631         KF_WS_7,
4632         KF_WS_8,
4633         KF_WS_9,
4634         KF_WS_10,
4635         KF_WS_11,
4636         KF_WS_12,
4637         KF_WS_13,
4638         KF_WS_14,
4639         KF_WS_15,
4640         KF_WS_16,
4641         KF_WS_17,
4642         KF_WS_18,
4643         KF_WS_19,
4644         KF_WS_20,
4645         KF_WS_21,
4646         KF_WS_22,
4647         KF_WS_NEXT,
4648         KF_WS_NEXT_ALL,
4649         KF_WS_PREV,
4650         KF_WS_PREV_ALL,
4651         KF_WS_PRIOR,
4652         KF_DUMPWINS, /* MUST BE LAST */
4653         KF_INVALID
4654 };
4655
4656 /* key definitions */
4657 struct keyfunc {
4658         char                    name[SWM_FUNCNAME_LEN];
4659         void                    (*func)(struct swm_region *r, union arg *);
4660         union arg               args;
4661 } keyfuncs[KF_INVALID + 1] = {
4662         /* name                 function        argument */
4663         { "bar_toggle",         bar_toggle,     {0} },
4664         { "button2",            pressbutton,    {2} },
4665         { "cycle_layout",       cycle_layout,   {0} },
4666         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4667         { "float_toggle",       floating_toggle,{0} },
4668         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4669         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4670         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4671         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4672         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4673         { "iconify",            iconify,        {0} },
4674         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4675         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4676         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4677         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4678         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4679         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4680         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4681         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4682         { "mvws_1",             send_to_ws,     {.id = 0} },
4683         { "mvws_2",             send_to_ws,     {.id = 1} },
4684         { "mvws_3",             send_to_ws,     {.id = 2} },
4685         { "mvws_4",             send_to_ws,     {.id = 3} },
4686         { "mvws_5",             send_to_ws,     {.id = 4} },
4687         { "mvws_6",             send_to_ws,     {.id = 5} },
4688         { "mvws_7",             send_to_ws,     {.id = 6} },
4689         { "mvws_8",             send_to_ws,     {.id = 7} },
4690         { "mvws_9",             send_to_ws,     {.id = 8} },
4691         { "mvws_10",            send_to_ws,     {.id = 9} },
4692         { "mvws_11",            send_to_ws,     {.id = 10} },
4693         { "mvws_12",            send_to_ws,     {.id = 11} },
4694         { "mvws_13",            send_to_ws,     {.id = 12} },
4695         { "mvws_14",            send_to_ws,     {.id = 13} },
4696         { "mvws_15",            send_to_ws,     {.id = 14} },
4697         { "mvws_16",            send_to_ws,     {.id = 15} },
4698         { "mvws_17",            send_to_ws,     {.id = 16} },
4699         { "mvws_18",            send_to_ws,     {.id = 17} },
4700         { "mvws_19",            send_to_ws,     {.id = 18} },
4701         { "mvws_20",            send_to_ws,     {.id = 19} },
4702         { "mvws_21",            send_to_ws,     {.id = 20} },
4703         { "mvws_22",            send_to_ws,     {.id = 21} },
4704         { "name_workspace",     name_workspace, {0} },
4705         { "quit",               quit,           {0} },
4706         { "raise_toggle",       raise_toggle,   {0} },
4707         { "restart",            restart,        {0} },
4708         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4709         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4710         { "search_win",         search_win,     {0} },
4711         { "search_workspace",   search_workspace,       {0} },
4712         { "spawn_custom",       NULL,           {0} },
4713         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4714         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4715         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4716         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4717         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4718         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4719         { "uniconify",          uniconify,      {0} },
4720         { "version",            version,        {0} },
4721         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4722         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4723         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4724         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4725         { "ws_1",               switchws,       {.id = 0} },
4726         { "ws_2",               switchws,       {.id = 1} },
4727         { "ws_3",               switchws,       {.id = 2} },
4728         { "ws_4",               switchws,       {.id = 3} },
4729         { "ws_5",               switchws,       {.id = 4} },
4730         { "ws_6",               switchws,       {.id = 5} },
4731         { "ws_7",               switchws,       {.id = 6} },
4732         { "ws_8",               switchws,       {.id = 7} },
4733         { "ws_9",               switchws,       {.id = 8} },
4734         { "ws_10",              switchws,       {.id = 9} },
4735         { "ws_11",              switchws,       {.id = 10} },
4736         { "ws_12",              switchws,       {.id = 11} },
4737         { "ws_13",              switchws,       {.id = 12} },
4738         { "ws_14",              switchws,       {.id = 13} },
4739         { "ws_15",              switchws,       {.id = 14} },
4740         { "ws_16",              switchws,       {.id = 15} },
4741         { "ws_17",              switchws,       {.id = 16} },
4742         { "ws_18",              switchws,       {.id = 17} },
4743         { "ws_19",              switchws,       {.id = 18} },
4744         { "ws_20",              switchws,       {.id = 19} },
4745         { "ws_21",              switchws,       {.id = 20} },
4746         { "ws_22",              switchws,       {.id = 21} },
4747         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4748         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4749         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4750         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4751         { "ws_prior",           priorws,        {0} },
4752         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4753         { "invalid key func",   NULL,           {0} },
4754 };
4755 struct key {
4756         RB_ENTRY(key)           entry;
4757         unsigned int            mod;
4758         KeySym                  keysym;
4759         enum keyfuncid          funcid;
4760         char                    *spawn_name;
4761 };
4762 RB_HEAD(key_tree, key);
4763
4764 int
4765 key_cmp(struct key *kp1, struct key *kp2)
4766 {
4767         if (kp1->keysym < kp2->keysym)
4768                 return (-1);
4769         if (kp1->keysym > kp2->keysym)
4770                 return (1);
4771
4772         if (kp1->mod < kp2->mod)
4773                 return (-1);
4774         if (kp1->mod > kp2->mod)
4775                 return (1);
4776
4777         return (0);
4778 }
4779
4780 RB_GENERATE(key_tree, key, entry, key_cmp);
4781 struct key_tree                 keys;
4782
4783 /* mouse */
4784 enum { client_click, root_click };
4785 struct button {
4786         unsigned int            action;
4787         unsigned int            mask;
4788         unsigned int            button;
4789         void                    (*func)(struct ws_win *, union arg *);
4790         union arg               args;
4791 } buttons[] = {
4792           /* action     key             mouse button    func    args */
4793         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4794         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4795         { client_click, MODKEY,         Button1,        move,   {0} },
4796 };
4797
4798 void
4799 update_modkey(unsigned int mod)
4800 {
4801         int                     i;
4802         struct key              *kp;
4803
4804         mod_key = mod;
4805         RB_FOREACH(kp, key_tree, &keys)
4806                 if (kp->mod & ShiftMask)
4807                         kp->mod = mod | ShiftMask;
4808                 else
4809                         kp->mod = mod;
4810
4811         for (i = 0; i < LENGTH(buttons); i++)
4812                 if (buttons[i].mask & ShiftMask)
4813                         buttons[i].mask = mod | ShiftMask;
4814                 else
4815                         buttons[i].mask = mod;
4816 }
4817
4818 /* spawn */
4819 struct spawn_prog {
4820         TAILQ_ENTRY(spawn_prog) entry;
4821         char                    *name;
4822         int                     argc;
4823         char                    **argv;
4824 };
4825 TAILQ_HEAD(spawn_list, spawn_prog);
4826 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4827
4828 int
4829 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4830     char ***ret_args)
4831 {
4832         struct spawn_prog       *prog = NULL;
4833         int                     i;
4834         char                    *ap, **real_args;
4835
4836         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4837
4838         /* find program */
4839         TAILQ_FOREACH(prog, &spawns, entry) {
4840                 if (!strcasecmp(spawn_name, prog->name))
4841                         break;
4842         }
4843         if (prog == NULL) {
4844                 warnx("spawn_custom: program %s not found", spawn_name);
4845                 return (-1);
4846         }
4847
4848         /* make room for expanded args */
4849         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4850                 err(1, "spawn_custom: calloc real_args");
4851
4852         /* expand spawn_args into real_args */
4853         for (i = 0; i < prog->argc; i++) {
4854                 ap = prog->argv[i];
4855                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4856                 if (!strcasecmp(ap, "$bar_border")) {
4857                         if ((real_args[i] =
4858                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4859                             == NULL)
4860                                 err(1,  "spawn_custom border color");
4861                 } else if (!strcasecmp(ap, "$bar_color")) {
4862                         if ((real_args[i] =
4863                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4864                             == NULL)
4865                                 err(1, "spawn_custom bar color");
4866                 } else if (!strcasecmp(ap, "$bar_font")) {
4867                         if ((real_args[i] = strdup(bar_fonts))
4868                             == NULL)
4869                                 err(1, "spawn_custom bar fonts");
4870                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4871                         if ((real_args[i] =
4872                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4873                             == NULL)
4874                                 err(1, "spawn_custom color font");
4875                 } else if (!strcasecmp(ap, "$color_focus")) {
4876                         if ((real_args[i] =
4877                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4878                             == NULL)
4879                                 err(1, "spawn_custom color focus");
4880                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4881                         if ((real_args[i] =
4882                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4883                             == NULL)
4884                                 err(1, "spawn_custom color unfocus");
4885                 } else {
4886                         /* no match --> copy as is */
4887                         if ((real_args[i] = strdup(ap)) == NULL)
4888                                 err(1, "spawn_custom strdup(ap)");
4889                 }
4890                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4891                     real_args[i]);
4892         }
4893
4894 #ifdef SWM_DEBUG
4895         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4896         for (i = 0; i < prog->argc; i++)
4897                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4898         DNPRINTF(SWM_D_SPAWN, "\n");
4899 #endif
4900         *ret_args = real_args;
4901         return (prog->argc);
4902 }
4903
4904 void
4905 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4906 {
4907         union arg               a;
4908         char                    **real_args;
4909         int                     spawn_argc, i;
4910
4911         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4912                 return;
4913         a.argv = real_args;
4914         if (fork() == 0)
4915                 spawn(r->ws->idx, &a, 1);
4916
4917         for (i = 0; i < spawn_argc; i++)
4918                 free(real_args[i]);
4919         free(real_args);
4920 }
4921
4922 void
4923 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4924 {
4925         union arg               a;
4926         char                    **real_args;
4927         int                     i, spawn_argc;
4928
4929         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4930                 return;
4931         a.argv = real_args;
4932
4933         if (pipe(select_list_pipe) == -1)
4934                 err(1, "pipe error");
4935         if (pipe(select_resp_pipe) == -1)
4936                 err(1, "pipe error");
4937
4938         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4939                 err(1, "could not disable SIGPIPE");
4940         switch (*pid = fork()) {
4941         case -1:
4942                 err(1, "cannot fork");
4943                 break;
4944         case 0: /* child */
4945                 if (dup2(select_list_pipe[0], 0) == -1)
4946                         err(1, "dup2");
4947                 if (dup2(select_resp_pipe[1], 1) == -1)
4948                         err(1, "dup2");
4949                 close(select_list_pipe[1]);
4950                 close(select_resp_pipe[0]);
4951                 spawn(r->ws->idx, &a, 0);
4952                 break;
4953         default: /* parent */
4954                 close(select_list_pipe[0]);
4955                 close(select_resp_pipe[1]);
4956                 break;
4957         }
4958
4959         for (i = 0; i < spawn_argc; i++)
4960                 free(real_args[i]);
4961         free(real_args);
4962 }
4963
4964 void
4965 spawn_insert(char *name, char *args)
4966 {
4967         char                    *arg, *cp, *ptr;
4968         struct spawn_prog       *sp;
4969
4970         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4971
4972         if ((sp = calloc(1, sizeof *sp)) == NULL)
4973                 err(1, "spawn_insert: calloc");
4974         if ((sp->name = strdup(name)) == NULL)
4975                 err(1, "spawn_insert: strdup");
4976
4977         /* convert the arguments to an argument list */
4978         if ((ptr = cp = strdup(args)) == NULL)
4979                 err(1, "spawn_insert: strdup");
4980         while ((arg = strsep(&ptr, " \t")) != NULL) {
4981                 /* empty field; skip it */
4982                 if (*arg == '\0')
4983                         continue;
4984
4985                 sp->argc++;
4986                 if ((sp->argv = realloc(sp->argv, sp->argc *
4987                     sizeof *sp->argv)) == NULL)
4988                         err(1, "spawn_insert: realloc");
4989                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4990                         err(1, "spawn_insert: strdup");
4991         }
4992         free(cp);
4993
4994         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4995         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4996 }
4997
4998 void
4999 spawn_remove(struct spawn_prog *sp)
5000 {
5001         int                     i;
5002
5003         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5004
5005         TAILQ_REMOVE(&spawns, sp, entry);
5006         for (i = 0; i < sp->argc; i++)
5007                 free(sp->argv[i]);
5008         free(sp->argv);
5009         free(sp->name);
5010         free(sp);
5011
5012         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5013 }
5014
5015 void
5016 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5017 {
5018         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5019
5020         spawn_remove(sp);
5021         spawn_insert(name, args);
5022
5023         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5024 }
5025
5026 void
5027 setspawn(char *name, char *args)
5028 {
5029         struct spawn_prog       *sp;
5030
5031         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5032
5033         if (name == NULL)
5034                 return;
5035
5036         TAILQ_FOREACH(sp, &spawns, entry) {
5037                 if (!strcmp(sp->name, name)) {
5038                         if (*args == '\0')
5039                                 spawn_remove(sp);
5040                         else
5041                                 spawn_replace(sp, name, args);
5042                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5043                         return;
5044                 }
5045         }
5046         if (*args == '\0') {
5047                 warnx("error: setspawn: cannot find program: %s", name);
5048                 return;
5049         }
5050
5051         spawn_insert(name, args);
5052         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5053 }
5054
5055 int
5056 setconfspawn(char *selector, char *value, int flags)
5057 {
5058         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5059
5060         setspawn(selector, value);
5061
5062         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5063         return (0);
5064 }
5065
5066 void
5067 setup_spawn(void)
5068 {
5069         setconfspawn("term",            "xterm",                0);
5070         setconfspawn("spawn_term",      "xterm",                0);
5071         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5072         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5073         setconfspawn("lock",            "xlock",                0);
5074         setconfspawn("initscr",         "initscreen.sh",        0);
5075         setconfspawn("menu",            "dmenu_run"
5076                                         " -fn $bar_font"
5077                                         " -nb $bar_color"
5078                                         " -nf $bar_font_color"
5079                                         " -sb $bar_border"
5080                                         " -sf $bar_color",      0);
5081         setconfspawn("search",          "dmenu"
5082                                         " -i"
5083                                         " -fn $bar_font"
5084                                         " -nb $bar_color"
5085                                         " -nf $bar_font_color"
5086                                         " -sb $bar_border"
5087                                         " -sf $bar_color",      0);
5088         setconfspawn("name_workspace",  "dmenu"
5089                                         " -p Workspace"
5090                                         " -fn $bar_font"
5091                                         " -nb $bar_color"
5092                                         " -nf $bar_font_color"
5093                                         " -sb $bar_border"
5094                                         " -sf $bar_color",      0);
5095 }
5096
5097 /* key bindings */
5098 #define SWM_MODNAME_SIZE        32
5099 #define SWM_KEY_WS              "\n+ \t"
5100 int
5101 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5102 {
5103         char                    *cp, *name;
5104         KeySym                  uks;
5105         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5106         if (mod == NULL || ks == NULL) {
5107                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5108                 return (1);
5109         }
5110         if (keystr == NULL || strlen(keystr) == 0) {
5111                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5112                 return (1);
5113         }
5114         cp = keystr;
5115         *ks = XCB_NO_SYMBOL;
5116         *mod = 0;
5117         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5118                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5119                 if (cp)
5120                         cp += (long)strspn(cp, SWM_KEY_WS);
5121                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5122                         *mod |= currmod;
5123                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5124                         *mod |= Mod1Mask;
5125                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5126                         *mod += Mod2Mask;
5127                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5128                         *mod |= Mod3Mask;
5129                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5130                         *mod |= Mod4Mask;
5131                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5132                         *mod |= ShiftMask;
5133                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5134                         *mod |= ControlMask;
5135                 else {
5136                         *ks = XStringToKeysym(name);
5137                         XConvertCase(*ks, ks, &uks);
5138                         if (ks == XCB_NO_SYMBOL) {
5139                                 DNPRINTF(SWM_D_KEY,
5140                                     "parsekeys: invalid key %s\n",
5141                                     name);
5142                                 return (1);
5143                         }
5144                 }
5145         }
5146         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5147         return (0);
5148 }
5149
5150 char *
5151 strdupsafe(char *str)
5152 {
5153         if (str == NULL)
5154                 return (NULL);
5155         else
5156                 return (strdup(str));
5157 }
5158
5159 void
5160 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5161 {
5162         struct key              *kp;
5163
5164         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5165             keyfuncs[kfid].name, spawn_name);
5166
5167         if ((kp = malloc(sizeof *kp)) == NULL)
5168                 err(1, "key_insert: malloc");
5169
5170         kp->mod = mod;
5171         kp->keysym = ks;
5172         kp->funcid = kfid;
5173         kp->spawn_name = strdupsafe(spawn_name);
5174         RB_INSERT(key_tree, &keys, kp);
5175
5176         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5177 }
5178
5179 struct key *
5180 key_lookup(unsigned int mod, KeySym ks)
5181 {
5182         struct key              kp;
5183
5184         kp.keysym = ks;
5185         kp.mod = mod;
5186
5187         return (RB_FIND(key_tree, &keys, &kp));
5188 }
5189
5190 void
5191 key_remove(struct key *kp)
5192 {
5193         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5194
5195         RB_REMOVE(key_tree, &keys, kp);
5196         free(kp->spawn_name);
5197         free(kp);
5198
5199         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5200 }
5201
5202 void
5203 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5204     char *spawn_name)
5205 {
5206         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5207             spawn_name);
5208
5209         key_remove(kp);
5210         key_insert(mod, ks, kfid, spawn_name);
5211
5212         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5213 }
5214
5215 void
5216 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5217     char *spawn_name)
5218 {
5219         struct key              *kp;
5220
5221         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5222             keyfuncs[kfid].name, spawn_name);
5223
5224         if ((kp = key_lookup(mod, ks)) != NULL) {
5225                 if (kfid == KF_INVALID)
5226                         key_remove(kp);
5227                 else
5228                         key_replace(kp, mod, ks, kfid, spawn_name);
5229                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5230                 return;
5231         }
5232         if (kfid == KF_INVALID) {
5233                 warnx("error: setkeybinding: cannot find mod/key combination");
5234                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5235                 return;
5236         }
5237
5238         key_insert(mod, ks, kfid, spawn_name);
5239         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5240 }
5241
5242 int
5243 setconfbinding(char *selector, char *value, int flags)
5244 {
5245         enum keyfuncid          kfid;
5246         unsigned int            mod;
5247         KeySym                  ks;
5248         struct spawn_prog       *sp;
5249         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5250         if (selector == NULL) {
5251                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5252                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5253                         kfid = KF_INVALID;
5254                         setkeybinding(mod, ks, kfid, NULL);
5255                         return (0);
5256                 } else
5257                         return (1);
5258         }
5259         /* search by key function name */
5260         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5261                 if (strncasecmp(selector, keyfuncs[kfid].name,
5262                     SWM_FUNCNAME_LEN) == 0) {
5263                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5264                             selector);
5265                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5266                                 setkeybinding(mod, ks, kfid, NULL);
5267                                 return (0);
5268                         } else
5269                                 return (1);
5270                 }
5271         }
5272         /* search by custom spawn name */
5273         TAILQ_FOREACH(sp, &spawns, entry) {
5274                 if (strcasecmp(selector, sp->name) == 0) {
5275                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5276                             selector);
5277                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5278                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5279                                     sp->name);
5280                                 return (0);
5281                         } else
5282                                 return (1);
5283                 }
5284         }
5285         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5286         return (1);
5287 }
5288
5289 void
5290 setup_keys(void)
5291 {
5292         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5293         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5294         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5295         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5296         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5297         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5298         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5299         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5300         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5301         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5302         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5303         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5304         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5305         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5306         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5307         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5308         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5309         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5310         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5311         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5312         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5313         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5314         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5315         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5316         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5317         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5318         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5319         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5320         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5321         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5322         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5323         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5324         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5325         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5326         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5327         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5328         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5329         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5330         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5331         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5332         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5333         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5334         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5335         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5336         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5337         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5338         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5339         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5340         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5341         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5342         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5343         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5344         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5345         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5346         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5347         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5348         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5349         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5350         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5351         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5352         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5353         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5354         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5355         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5356         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5357         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5358         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5359         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5360         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5361         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5362         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5363         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5364         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5365         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5366         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5367         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5368         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5369         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5370         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5371         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5372         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5373         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5374         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5375         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5376         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5377         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5378         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5379         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5380         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5381         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5382         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5383         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5384         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5385         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5386         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5387         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5388 #ifdef SWM_DEBUG
5389         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5390 #endif
5391 }
5392
5393 void
5394 clear_keys(void)
5395 {
5396         struct key              *kp;
5397
5398         while (RB_EMPTY(&keys) == 0) {
5399                 kp = RB_ROOT(&keys);
5400                 key_remove(kp);
5401         }
5402 }
5403
5404 int
5405 setkeymapping(char *selector, char *value, int flags)
5406 {
5407         char                    keymapping_file[PATH_MAX];
5408         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5409         if (value[0] == '~')
5410                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5411                     pwd->pw_dir, &value[1]);
5412         else
5413                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5414         clear_keys();
5415         /* load new key bindings; if it fails, revert to default bindings */
5416         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5417                 clear_keys();
5418                 setup_keys();
5419         }
5420         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5421         return (0);
5422 }
5423
5424 void
5425 updatenumlockmask(void)
5426 {
5427         unsigned int                            i, j;
5428         xcb_get_modifier_mapping_reply_t        *modmap_r;
5429         xcb_keycode_t                           *modmap, kc;
5430
5431         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5432         numlockmask = 0;
5433
5434         modmap_r = xcb_get_modifier_mapping_reply(conn,
5435             xcb_get_modifier_mapping(conn),
5436             NULL);
5437         if (modmap_r) {
5438                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5439                 for (i = 0; i < 8; i++) {
5440                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5441                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5442                                     + j];
5443
5444                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5445                                     XK_Num_Lock)))
5446                                         numlockmask = (1 << i);
5447                         }
5448                 }
5449                 free(modmap_r);
5450         }
5451 }
5452
5453 void
5454 grabkeys(void)
5455 {
5456         int                     num_screens, k;
5457         unsigned int            j;
5458         xcb_keycode_t           *code;
5459         unsigned int            modifiers[] =
5460             { 0, LockMask, numlockmask, numlockmask | LockMask };
5461         struct key              *kp;
5462
5463         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5464         updatenumlockmask();
5465
5466         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5467         for (k = 0; k < num_screens; k++) {
5468                 if (TAILQ_EMPTY(&screens[k].rl))
5469                         continue;
5470                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5471                         XCB_MOD_MASK_ANY);
5472                 RB_FOREACH(kp, key_tree, &keys) {
5473                         if ((code = xcb_key_symbols_get_keycode(syms,
5474                                         kp->keysym)))
5475                                 for (j = 0; j < LENGTH(modifiers); j++)
5476                                         xcb_grab_key(conn, True,
5477                                             screens[k].root,
5478                                             kp->mod | modifiers[j],
5479                                             *code, XCB_GRAB_MODE_ASYNC,
5480                                             XCB_GRAB_MODE_ASYNC);
5481                 }
5482         }
5483 }
5484
5485 void
5486 grabbuttons(struct ws_win *win, int focused)
5487 {
5488         unsigned int            i, j;
5489         unsigned int            modifiers[] =
5490             { 0, LockMask, numlockmask, numlockmask|LockMask };
5491
5492         updatenumlockmask();
5493         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5494             XCB_BUTTON_MASK_ANY);
5495         if (focused) {
5496                 for (i = 0; i < LENGTH(buttons); i++)
5497                         if (buttons[i].action == client_click)
5498                                 for (j = 0; j < LENGTH(modifiers); j++)
5499                                         xcb_grab_button(conn, False, win->id,
5500                                             BUTTONMASK,
5501                                             XCB_GRAB_MODE_ASYNC,
5502                                             XCB_GRAB_MODE_SYNC,
5503                                             XCB_WINDOW_NONE,
5504                                             XCB_CURSOR_NONE,
5505                                             buttons[i].button,
5506                                             buttons[i].mask);
5507         } else
5508                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5509                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5510                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5511 }
5512
5513 const char *quirkname[] = {
5514         "NONE",         /* config string for "no value" */
5515         "FLOAT",
5516         "TRANSSZ",
5517         "ANYWHERE",
5518         "XTERM_FONTADJ",
5519         "FULLSCREEN",
5520         "FOCUSPREV",
5521 };
5522
5523 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5524 #define SWM_Q_WS                "\n|+ \t"
5525 int
5526 parsequirks(char *qstr, unsigned long *quirk)
5527 {
5528         char                    *cp, *name;
5529         int                     i;
5530
5531         if (quirk == NULL)
5532                 return (1);
5533
5534         cp = qstr;
5535         *quirk = 0;
5536         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5537                 if (cp)
5538                         cp += (long)strspn(cp, SWM_Q_WS);
5539                 for (i = 0; i < LENGTH(quirkname); i++) {
5540                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5541                                 DNPRINTF(SWM_D_QUIRK,
5542                                     "parsequirks: %s\n", name);
5543                                 if (i == 0) {
5544                                         *quirk = 0;
5545                                         return (0);
5546                                 }
5547                                 *quirk |= 1 << (i-1);
5548                                 break;
5549                         }
5550                 }
5551                 if (i >= LENGTH(quirkname)) {
5552                         DNPRINTF(SWM_D_QUIRK,
5553                             "parsequirks: invalid quirk [%s]\n", name);
5554                         return (1);
5555                 }
5556         }
5557         return (0);
5558 }
5559
5560 void
5561 quirk_insert(const char *class, const char *name, unsigned long quirk)
5562 {
5563         struct quirk            *qp;
5564
5565         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5566             quirk);
5567
5568         if ((qp = malloc(sizeof *qp)) == NULL)
5569                 err(1, "quirk_insert: malloc");
5570         if ((qp->class = strdup(class)) == NULL)
5571                 err(1, "quirk_insert: strdup");
5572         if ((qp->name = strdup(name)) == NULL)
5573                 err(1, "quirk_insert: strdup");
5574
5575         qp->quirk = quirk;
5576         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5577
5578         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5579 }
5580
5581 void
5582 quirk_remove(struct quirk *qp)
5583 {
5584         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5585             qp->name, qp->quirk);
5586
5587         TAILQ_REMOVE(&quirks, qp, entry);
5588         free(qp->class);
5589         free(qp->name);
5590         free(qp);
5591
5592         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5593 }
5594
5595 void
5596 quirk_replace(struct quirk *qp, const char *class, const char *name,
5597     unsigned long quirk)
5598 {
5599         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5600             qp->name, qp->quirk);
5601
5602         quirk_remove(qp);
5603         quirk_insert(class, name, quirk);
5604
5605         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5606 }
5607
5608 void
5609 setquirk(const char *class, const char *name, unsigned long quirk)
5610 {
5611         struct quirk            *qp;
5612
5613         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5614            quirk);
5615
5616         TAILQ_FOREACH(qp, &quirks, entry) {
5617                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5618                         if (!quirk)
5619                                 quirk_remove(qp);
5620                         else
5621                                 quirk_replace(qp, class, name, quirk);
5622                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5623                         return;
5624                 }
5625         }
5626         if (!quirk) {
5627                 warnx("error: setquirk: cannot find class/name combination");
5628                 return;
5629         }
5630
5631         quirk_insert(class, name, quirk);
5632         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5633 }
5634
5635 int
5636 setconfquirk(char *selector, char *value, int flags)
5637 {
5638         char                    *cp, *class, *name;
5639         int                     retval;
5640         unsigned long           quirks;
5641         if (selector == NULL)
5642                 return (0);
5643         if ((cp = strchr(selector, ':')) == NULL)
5644                 return (0);
5645         *cp = '\0';
5646         class = selector;
5647         name = cp + 1;
5648         if ((retval = parsequirks(value, &quirks)) == 0)
5649                 setquirk(class, name, quirks);
5650         return (retval);
5651 }
5652
5653 void
5654 setup_quirks(void)
5655 {
5656         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5657         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5658         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5659         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5660         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5661         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5662         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5663         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5664         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5665         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5666         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5667         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5668         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5669 }
5670
5671 /* conf file stuff */
5672 #define SWM_CONF_FILE           "spectrwm.conf"
5673 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5674
5675 enum {
5676         SWM_S_BAR_ACTION,
5677         SWM_S_BAR_AT_BOTTOM,
5678         SWM_S_BAR_BORDER_WIDTH,
5679         SWM_S_BAR_DELAY,
5680         SWM_S_BAR_ENABLED,
5681         SWM_S_BAR_FONT,
5682         SWM_S_BAR_FORMAT,
5683         SWM_S_BAR_JUSTIFY,
5684         SWM_S_BORDER_WIDTH,
5685         SWM_S_CLOCK_ENABLED,
5686         SWM_S_CLOCK_FORMAT,
5687         SWM_S_CYCLE_EMPTY,
5688         SWM_S_CYCLE_VISIBLE,
5689         SWM_S_DIALOG_RATIO,
5690         SWM_S_DISABLE_BORDER,
5691         SWM_S_FOCUS_CLOSE,
5692         SWM_S_FOCUS_CLOSE_WRAP,
5693         SWM_S_FOCUS_DEFAULT,
5694         SWM_S_FOCUS_MODE,
5695         SWM_S_SPAWN_ORDER,
5696         SWM_S_SPAWN_TERM,
5697         SWM_S_SS_APP,
5698         SWM_S_SS_ENABLED,
5699         SWM_S_STACK_ENABLED,
5700         SWM_S_TERM_WIDTH,
5701         SWM_S_TITLE_CLASS_ENABLED,
5702         SWM_S_TITLE_NAME_ENABLED,
5703         SWM_S_URGENT_ENABLED,
5704         SWM_S_VERBOSE_LAYOUT,
5705         SWM_S_WINDOW_NAME_ENABLED,
5706         SWM_S_WORKSPACE_LIMIT
5707 };
5708
5709 int
5710 setconfvalue(char *selector, char *value, int flags)
5711 {
5712         int     i;
5713         char    *b;
5714
5715         switch (flags) {
5716         case SWM_S_BAR_ACTION:
5717                 free(bar_argv[0]);
5718                 if ((bar_argv[0] = strdup(value)) == NULL)
5719                         err(1, "setconfvalue: bar_action");
5720                 break;
5721         case SWM_S_BAR_AT_BOTTOM:
5722                 bar_at_bottom = atoi(value);
5723                 break;
5724         case SWM_S_BAR_BORDER_WIDTH:
5725                 bar_border_width = atoi(value);
5726                 if (bar_border_width < 0)
5727                         bar_border_width = 0;
5728                 break;
5729         case SWM_S_BAR_DELAY:
5730                 bar_delay = atoi(value);
5731                 break;
5732         case SWM_S_BAR_ENABLED:
5733                 bar_enabled = atoi(value);
5734                 break;
5735         case SWM_S_BAR_FONT:
5736                 b = bar_fonts;
5737                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5738                         err(1, "setconfvalue: asprintf: failed to allocate "
5739                                 "memory for bar_fonts.");
5740                 free(b);
5741                 break;
5742         case SWM_S_BAR_FORMAT:
5743                 free(bar_format);
5744                 if ((bar_format = strdup(value)) == NULL)
5745                         err(1, "setconfvalue: bar_format");
5746                 break;
5747         case SWM_S_BAR_JUSTIFY:
5748                 if (!strcmp(value, "left"))
5749                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5750                 else if (!strcmp(value, "center"))
5751                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5752                 else if (!strcmp(value, "right"))
5753                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5754                 else
5755                         errx(1, "invalid bar_justify");
5756                 break;
5757         case SWM_S_BORDER_WIDTH:
5758                 border_width = atoi(value);
5759                 if (border_width < 0)
5760                         border_width = 0;
5761                 break;
5762         case SWM_S_CLOCK_ENABLED:
5763                 clock_enabled = atoi(value);
5764                 break;
5765         case SWM_S_CLOCK_FORMAT:
5766 #ifndef SWM_DENY_CLOCK_FORMAT
5767                 free(clock_format);
5768                 if ((clock_format = strdup(value)) == NULL)
5769                         err(1, "setconfvalue: clock_format");
5770 #endif
5771                 break;
5772         case SWM_S_CYCLE_EMPTY:
5773                 cycle_empty = atoi(value);
5774                 break;
5775         case SWM_S_CYCLE_VISIBLE:
5776                 cycle_visible = atoi(value);
5777                 break;
5778         case SWM_S_DIALOG_RATIO:
5779                 dialog_ratio = atof(value);
5780                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5781                         dialog_ratio = .6;
5782                 break;
5783         case SWM_S_DISABLE_BORDER:
5784                 disable_border = atoi(value);
5785                 break;
5786         case SWM_S_FOCUS_CLOSE:
5787                 if (!strcmp(value, "first"))
5788                         focus_close = SWM_STACK_BOTTOM;
5789                 else if (!strcmp(value, "last"))
5790                         focus_close = SWM_STACK_TOP;
5791                 else if (!strcmp(value, "next"))
5792                         focus_close = SWM_STACK_ABOVE;
5793                 else if (!strcmp(value, "previous"))
5794                         focus_close = SWM_STACK_BELOW;
5795                 else
5796                         errx(1, "focus_close");
5797                 break;
5798         case SWM_S_FOCUS_CLOSE_WRAP:
5799                 focus_close_wrap = atoi(value);
5800                 break;
5801         case SWM_S_FOCUS_DEFAULT:
5802                 if (!strcmp(value, "last"))
5803                         focus_default = SWM_STACK_TOP;
5804                 else if (!strcmp(value, "first"))
5805                         focus_default = SWM_STACK_BOTTOM;
5806                 else
5807                         errx(1, "focus_default");
5808                 break;
5809         case SWM_S_FOCUS_MODE:
5810                 if (!strcmp(value, "default"))
5811                         focus_mode = SWM_FOCUS_DEFAULT;
5812                 else if (!strcmp(value, "follow_cursor"))
5813                         focus_mode = SWM_FOCUS_FOLLOW;
5814                 else if (!strcmp(value, "synergy"))
5815                         focus_mode = SWM_FOCUS_SYNERGY;
5816                 else
5817                         errx(1, "focus_mode");
5818                 break;
5819         case SWM_S_SPAWN_ORDER:
5820                 if (!strcmp(value, "first"))
5821                         spawn_position = SWM_STACK_BOTTOM;
5822                 else if (!strcmp(value, "last"))
5823                         spawn_position = SWM_STACK_TOP;
5824                 else if (!strcmp(value, "next"))
5825                         spawn_position = SWM_STACK_ABOVE;
5826                 else if (!strcmp(value, "previous"))
5827                         spawn_position = SWM_STACK_BELOW;
5828                 else
5829                         errx(1, "spawn_position");
5830                 break;
5831         case SWM_S_SPAWN_TERM:
5832                 setconfspawn("term", value, 0);
5833                 setconfspawn("spawn_term", value, 0);
5834                 break;
5835         case SWM_S_SS_APP:
5836                 break;
5837         case SWM_S_SS_ENABLED:
5838                 ss_enabled = atoi(value);
5839                 break;
5840         case SWM_S_STACK_ENABLED:
5841                 stack_enabled = atoi(value);
5842                 break;
5843         case SWM_S_TERM_WIDTH:
5844                 term_width = atoi(value);
5845                 if (term_width < 0)
5846                         term_width = 0;
5847                 break;
5848         case SWM_S_TITLE_CLASS_ENABLED:
5849                 title_class_enabled = atoi(value);
5850                 break;
5851         case SWM_S_TITLE_NAME_ENABLED:
5852                 title_name_enabled = atoi(value);
5853                 break;
5854         case SWM_S_URGENT_ENABLED:
5855                 urgent_enabled = atoi(value);
5856                 break;
5857         case SWM_S_VERBOSE_LAYOUT:
5858                 verbose_layout = atoi(value);
5859                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5860                         if (verbose_layout)
5861                                 layouts[i].l_string = fancy_stacker;
5862                         else
5863                                 layouts[i].l_string = plain_stacker;
5864                 }
5865                 break;
5866         case SWM_S_WINDOW_NAME_ENABLED:
5867                 window_name_enabled = atoi(value);
5868                 break;
5869         case SWM_S_WORKSPACE_LIMIT:
5870                 workspace_limit = atoi(value);
5871                 if (workspace_limit > SWM_WS_MAX)
5872                         workspace_limit = SWM_WS_MAX;
5873                 else if (workspace_limit < 1)
5874                         workspace_limit = 1;
5875                 break;
5876         default:
5877                 return (1);
5878         }
5879         return (0);
5880 }
5881
5882 int
5883 setconfmodkey(char *selector, char *value, int flags)
5884 {
5885         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5886                 update_modkey(Mod1Mask);
5887         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5888                 update_modkey(Mod2Mask);
5889         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5890                 update_modkey(Mod3Mask);
5891         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5892                 update_modkey(Mod4Mask);
5893         else
5894                 return (1);
5895         return (0);
5896 }
5897
5898 int
5899 setconfcolor(char *selector, char *value, int flags)
5900 {
5901         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5902         return (0);
5903 }
5904
5905 int
5906 setconfregion(char *selector, char *value, int flags)
5907 {
5908         custom_region(value);
5909         return (0);
5910 }
5911
5912 int
5913 setautorun(char *selector, char *value, int flags)
5914 {
5915         int                     ws_id;
5916         char                    s[1024];
5917         char                    *ap, *sp = s;
5918         union arg               a;
5919         int                     argc = 0;
5920         pid_t                   pid;
5921         struct pid_e            *p;
5922
5923         if (getenv("SWM_STARTED"))
5924                 return (0);
5925
5926         bzero(s, sizeof s);
5927         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5928                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5929         ws_id--;
5930         if (ws_id < 0 || ws_id >= workspace_limit)
5931                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5932
5933         /*
5934          * This is a little intricate
5935          *
5936          * If the pid already exists we simply reuse it because it means it was
5937          * used before AND not claimed by manage_window.  We get away with
5938          * altering it in the parent after INSERT because this can not be a race
5939          */
5940         a.argv = NULL;
5941         while ((ap = strsep(&sp, " \t")) != NULL) {
5942                 if (*ap == '\0')
5943                         continue;
5944                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5945                 argc++;
5946                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5947                         err(1, "setautorun: realloc");
5948                 a.argv[argc - 1] = ap;
5949         }
5950
5951         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5952                 err(1, "setautorun: realloc");
5953         a.argv[argc] = NULL;
5954
5955         if ((pid = fork()) == 0) {
5956                 spawn(ws_id, &a, 1);
5957                 /* NOTREACHED */
5958                 _exit(1);
5959         }
5960         free(a.argv);
5961
5962         /* parent */
5963         p = find_pid(pid);
5964         if (p == NULL) {
5965                 p = calloc(1, sizeof *p);
5966                 if (p == NULL)
5967                         return (1);
5968                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5969         }
5970
5971         p->pid = pid;
5972         p->ws = ws_id;
5973
5974         return (0);
5975 }
5976
5977 int
5978 setlayout(char *selector, char *value, int flags)
5979 {
5980         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5981         int                     st = SWM_V_STACK, num_screens;
5982         char                    s[1024];
5983         struct workspace        *ws;
5984
5985         if (getenv("SWM_STARTED"))
5986                 return (0);
5987
5988         bzero(s, sizeof s);
5989         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5990             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5991                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5992                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5993                     "<type>'");
5994         ws_id--;
5995         if (ws_id < 0 || ws_id >= workspace_limit)
5996                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5997
5998         if (!strcasecmp(s, "vertical"))
5999                 st = SWM_V_STACK;
6000         else if (!strcasecmp(s, "vertical_flip")) {
6001                 st = SWM_V_STACK;
6002                 f = 1;
6003         } else if (!strcasecmp(s, "horizontal"))
6004                 st = SWM_H_STACK;
6005         else if (!strcasecmp(s, "horizontal_flip")) {
6006                 st = SWM_H_STACK;
6007                 f = 1;
6008         } else if (!strcasecmp(s, "fullscreen"))
6009                 st = SWM_MAX_STACK;
6010         else
6011                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6012                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6013                     "<type>'");
6014
6015         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6016         for (i = 0; i < num_screens; i++) {
6017                 ws = (struct workspace *)&screens[i].ws;
6018                 ws[ws_id].cur_layout = &layouts[st];
6019
6020                 ws[ws_id].always_raise = raise;
6021                 if (st == SWM_MAX_STACK)
6022                         continue;
6023
6024                 /* master grow */
6025                 for (x = 0; x < abs(mg); x++) {
6026                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6027                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6028                             SWM_ARG_ID_MASTERSHRINK);
6029                         stack();
6030                 }
6031                 /* master add */
6032                 for (x = 0; x < abs(ma); x++) {
6033                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6034                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6035                             SWM_ARG_ID_MASTERDEL);
6036                         stack();
6037                 }
6038                 /* stack inc */
6039                 for (x = 0; x < abs(si); x++) {
6040                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6041                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6042                             SWM_ARG_ID_STACKDEC);
6043                         stack();
6044                 }
6045                 /* Apply flip */
6046                 if (f) {
6047                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6048                             SWM_ARG_ID_FLIPLAYOUT);
6049                         stack();
6050                 }
6051         }
6052
6053         return (0);
6054 }
6055
6056 /* config options */
6057 struct config_option {
6058         char                    *optname;
6059         int                     (*func)(char*, char*, int);
6060         int                     funcflags;
6061 };
6062 struct config_option configopt[] = {
6063         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6064         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6065         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6066         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6067         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6068         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6069         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6070         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6071         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6072         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6073         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6074         { "keyboard_mapping",           setkeymapping,  0 },
6075         { "bind",                       setconfbinding, 0 },
6076         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6077         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6078         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6079         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6080         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6081         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6082         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6083         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6084         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6085         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6086         { "modkey",                     setconfmodkey,  0 },
6087         { "program",                    setconfspawn,   0 },
6088         { "quirk",                      setconfquirk,   0 },
6089         { "region",                     setconfregion,  0 },
6090         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6091         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6092         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6093         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6094         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6095         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6096         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6097         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6098         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6099         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6100         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6101         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6102         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6103         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6104         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6105         { "autorun",                    setautorun,     0 },
6106         { "layout",                     setlayout,      0 },
6107 };
6108
6109
6110 int
6111 conf_load(char *filename, int keymapping)
6112 {
6113         FILE                    *config;
6114         char                    *line, *cp, *optsub, *optval;
6115         size_t                  linelen, lineno = 0;
6116         int                     wordlen, i, optind;
6117         struct config_option    *opt;
6118
6119         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6120
6121         if (filename == NULL) {
6122                 warnx("conf_load: no filename");
6123                 return (1);
6124         }
6125         if ((config = fopen(filename, "r")) == NULL) {
6126                 warn("conf_load: fopen: %s", filename);
6127                 return (1);
6128         }
6129
6130         while (!feof(config)) {
6131                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6132                     == NULL) {
6133                         if (ferror(config))
6134                                 err(1, "%s", filename);
6135                         else
6136                                 continue;
6137                 }
6138                 cp = line;
6139                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6140                 if (cp[0] == '\0') {
6141                         /* empty line */
6142                         free(line);
6143                         continue;
6144                 }
6145                 /* get config option */
6146                 wordlen = strcspn(cp, "=[ \t\n");
6147                 if (wordlen == 0) {
6148                         warnx("%s: line %zd: no option found",
6149                             filename, lineno);
6150                         goto out;
6151                 }
6152                 optind = -1;
6153                 for (i = 0; i < LENGTH(configopt); i++) {
6154                         opt = &configopt[i];
6155                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6156                             (int)strlen(opt->optname) == wordlen) {
6157                                 optind = i;
6158                                 break;
6159                         }
6160                 }
6161                 if (optind == -1) {
6162                         warnx("%s: line %zd: unknown option %.*s",
6163                             filename, lineno, wordlen, cp);
6164                         goto out;
6165                 }
6166                 if (keymapping && strcmp(opt->optname, "bind")) {
6167                         warnx("%s: line %zd: invalid option %.*s",
6168                             filename, lineno, wordlen, cp);
6169                         goto out;
6170                 }
6171                 cp += wordlen;
6172                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6173                 /* get [selector] if any */
6174                 optsub = NULL;
6175                 if (*cp == '[') {
6176                         cp++;
6177                         wordlen = strcspn(cp, "]");
6178                         if (*cp != ']') {
6179                                 if (wordlen == 0) {
6180                                         warnx("%s: line %zd: syntax error",
6181                                             filename, lineno);
6182                                         goto out;
6183                                 }
6184
6185                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6186                                     -1) {
6187                                         warnx("%s: line %zd: unable to allocate"
6188                                             "memory for selector", filename,
6189                                             lineno);
6190                                         goto out;
6191                                 }
6192                         }
6193                         cp += wordlen;
6194                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6195                 }
6196                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6197                 /* get RHS value */
6198                 optval = strdup(cp);
6199                 /* call function to deal with it all */
6200                 if (configopt[optind].func(optsub, optval,
6201                     configopt[optind].funcflags) != 0)
6202                         errx(1, "%s: line %zd: invalid data for %s",
6203                             filename, lineno, configopt[optind].optname);
6204                 free(optval);
6205                 free(optsub);
6206                 free(line);
6207         }
6208
6209         fclose(config);
6210         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6211
6212         return (0);
6213
6214 out:
6215         free(line);
6216         fclose(config);
6217         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6218
6219         return (1);
6220 }
6221
6222 void
6223 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6224 {
6225         struct ws_win           *parent, *w;
6226         struct swm_region       *r;
6227         struct workspace        *ws;
6228         xcb_icccm_wm_hints_t    wmh;
6229
6230         parent = find_window(win->transient);
6231         if (parent)
6232                 parent->child_trans = win;
6233         else {
6234                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6235                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6236
6237                 r = root_to_region(win->wa->root);
6238                 ws = r->ws;
6239                 /* parent doen't exist in our window list */
6240                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6241                         if (xcb_icccm_get_wm_hints_reply(conn,
6242                             xcb_icccm_get_wm_hints(conn, w->id),
6243                             &wmh, NULL) != 1) {
6244                                 warnx("can't get hints for 0x%x", w->id);
6245                                 continue;
6246                         }
6247
6248                         if (win->hints.window_group != wmh.window_group)
6249                                 continue;
6250
6251                         w->child_trans = win;
6252                         win->transient = w->id;
6253                         *trans = w->id;
6254                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6255                             "transient to 0x%x\n", win->transient);
6256                         break;
6257                 }
6258         }
6259 }
6260
6261 pid_t
6262 window_get_pid(xcb_window_t win)
6263 {
6264         pid_t                           ret = 0;
6265         const char                      *errstr;
6266         xcb_atom_t                      apid;
6267         xcb_get_property_cookie_t       pc;
6268         xcb_get_property_reply_t        *pr;
6269
6270         apid = get_atom_from_string("_NET_WM_PID");
6271         if (apid == XCB_ATOM_NONE)
6272                 goto tryharder;
6273
6274         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6275         pr = xcb_get_property_reply(conn, pc, NULL);
6276         if (!pr)
6277                 goto tryharder;
6278         if (pr->type != XCB_ATOM_CARDINAL) {
6279                 free(pr);
6280                 goto tryharder;
6281         }
6282
6283         ret = *((pid_t *)xcb_get_property_value(pr));
6284         free(pr);
6285
6286         return (ret);
6287
6288 tryharder:
6289         apid = get_atom_from_string("_SWM_PID");
6290         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6291             0, SWM_PROPLEN);
6292         pr = xcb_get_property_reply(conn, pc, NULL);
6293         if (!pr)
6294                 return (0);
6295         if (pr->type != XCB_ATOM_STRING) {
6296                 free(pr);
6297                 return (0);
6298         }
6299
6300         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6301         free(pr);
6302
6303         return (ret);
6304 }
6305
6306 struct ws_win *
6307 manage_window(xcb_window_t id)
6308 {
6309         xcb_window_t            trans = XCB_WINDOW_NONE;
6310         struct workspace        *ws;
6311         struct ws_win           *win, *ww;
6312         int                     ws_idx, border_me = 0;
6313         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6314         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6315         size_t                  proplen;
6316         struct swm_region       *r;
6317         const char              *errstr;
6318         struct pid_e            *p;
6319         struct quirk            *qp;
6320         uint32_t                event_mask, i;
6321         xcb_atom_t              prot;
6322         xcb_get_property_reply_t        *gpr;
6323         xcb_icccm_get_wm_protocols_reply_t      wpr;
6324
6325         if ((win = find_window(id)) != NULL)
6326                 return (win);   /* already being managed */
6327
6328         /* see if we are on the unmanaged list */
6329         if ((win = find_unmanaged_window(id)) != NULL) {
6330                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6331                     "window: 0x%x\n", win->id);
6332                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6333                 if (win->transient)
6334                         set_child_transient(win, &trans);
6335
6336                 if (trans && (ww = find_window(trans)))
6337                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6338                 else if ((ww = win->ws->focus) &&
6339                     spawn_position == SWM_STACK_ABOVE)
6340                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6341                             win, entry);
6342                 else if (ww && spawn_position == SWM_STACK_BELOW)
6343                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6344                 else switch (spawn_position) {
6345                 default:
6346                 case SWM_STACK_TOP:
6347                 case SWM_STACK_ABOVE:
6348                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6349                         break;
6350                 case SWM_STACK_BOTTOM:
6351                 case SWM_STACK_BELOW:
6352                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6353                 }
6354
6355                 ewmh_update_actions(win);
6356                 return (win);
6357         }
6358
6359         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6360                 err(1, "manage_window: calloc: failed to allocate memory for "
6361                     "new window");
6362
6363         win->id = id;
6364         win->bordered = 0;
6365
6366         /* see if we need to override the workspace */
6367         p = find_pid(window_get_pid(id));
6368
6369         /* Get all the window data in one shot */
6370         ws_idx_atom = get_atom_from_string("_SWM_WS");
6371         if (ws_idx_atom) {
6372                 gpr = xcb_get_property_reply(conn,
6373                         xcb_get_property(conn, False, id, ws_idx_atom,
6374                             XCB_ATOM_STRING, 0, SWM_PROPLEN),
6375                         NULL);
6376                 if (gpr) {
6377                         proplen = xcb_get_property_value_length(gpr);
6378                         if (proplen > 0) {
6379                                 prop = malloc(proplen + 1);
6380                                 if (prop) {
6381                                         memcpy(prop,
6382                                             xcb_get_property_value(gpr),
6383                                             proplen);
6384                                         prop[proplen] = '\0';
6385                                 }
6386                         }
6387                         free(gpr);
6388                 }
6389         }
6390         win->wa = xcb_get_geometry_reply(conn,
6391             xcb_get_geometry(conn, id),
6392             NULL);
6393         xcb_icccm_get_wm_normal_hints_reply(conn,
6394             xcb_icccm_get_wm_normal_hints(conn, id),
6395             &win->sh, NULL);
6396         xcb_icccm_get_wm_hints_reply(conn,
6397             xcb_icccm_get_wm_hints(conn, id),
6398             &win->hints, NULL);
6399         xcb_icccm_get_wm_transient_for_reply(conn,
6400             xcb_icccm_get_wm_transient_for(conn, id),
6401             &trans, NULL);
6402         if (trans) {
6403                 win->transient = trans;
6404                 set_child_transient(win, &trans);
6405                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6406                     "transient: 0x%x\n", win->id, win->transient);
6407         }
6408
6409         prot = get_atom_from_string("WM_PROTOCOLS");
6410
6411         /* get supported protocols */
6412         if (xcb_icccm_get_wm_protocols_reply(conn,
6413             xcb_icccm_get_wm_protocols(conn, id, prot),
6414             &wpr, NULL)) {
6415                 for (i = 0; i < wpr.atoms_len; i++) {
6416                         if (wpr.atoms[i] == a_takefocus)
6417                                 win->take_focus = 1;
6418                         if (wpr.atoms[i] == a_delete)
6419                                 win->can_delete = 1;
6420                 }
6421                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6422         }
6423
6424         win->iconic = get_iconic(win);
6425
6426         /*
6427          * Figure out where to put the window. If it was previously assigned to
6428          * a workspace (either by spawn() or manually moving), and isn't
6429          * transient, * put it in the same workspace
6430          */
6431         r = root_to_region(win->wa->root);
6432         if (p) {
6433                 ws = &r->s->ws[p->ws];
6434                 TAILQ_REMOVE(&pidlist, p, entry);
6435                 free(p);
6436                 p = NULL;
6437         } else if (prop && win->transient == 0) {
6438                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6439                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1,
6440                     &errstr);
6441                 if (errstr) {
6442                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6443                             errstr, prop);
6444                 }
6445                 ws = &r->s->ws[ws_idx];
6446         } else {
6447                 ws = r->ws;
6448                 /* this should launch transients in the same ws as parent */
6449                 if (id && trans)
6450                         if ((ww = find_window(trans)) != NULL)
6451                                 if (ws->r) {
6452                                         ws = ww->ws;
6453                                         if (ww->ws->r)
6454                                                 r = ww->ws->r;
6455                                         else
6456                                                 warnx("manage_window: fix this "
6457                                                     "bug mcbride");
6458                                         border_me = 1;
6459                                 }
6460         }
6461
6462         /* set up the window layout */
6463         win->id = id;
6464         win->ws = ws;
6465         win->s = r->s;  /* this never changes */
6466         if (trans && (ww = find_window(trans)))
6467                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6468         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6469                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6470                     entry);
6471         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6472                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6473         else switch (spawn_position) {
6474         default:
6475         case SWM_STACK_TOP:
6476         case SWM_STACK_ABOVE:
6477                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6478                 break;
6479         case SWM_STACK_BOTTOM:
6480         case SWM_STACK_BELOW:
6481                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6482         }
6483
6484         /* ignore window border if there is one. */
6485         WIDTH(win) = win->wa->width;
6486         HEIGHT(win) = win->wa->height;
6487         X(win) = win->wa->x + win->wa->border_width;
6488         Y(win) = win->wa->y + win->wa->border_width;
6489         win->bordered = 0;
6490         win->g_floatvalid = 0;
6491         win->floatmaxed = 0;
6492         win->ewmh_flags = 0;
6493
6494         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6495             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6496             HEIGHT(win), ws->idx);
6497
6498         constrain_window(win, r, 0);
6499
6500         /* Set window properties so we can remember this after reincarnation */
6501         if (ws_idx_atom && prop == NULL &&
6502             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6503                 SWM_PROPLEN) {
6504                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6505                     ws_idx_str);
6506                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6507                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6508                     ws_idx_str);
6509         }
6510         if (prop)
6511                 free(prop);
6512
6513         ewmh_autoquirk(win);
6514
6515         if (xcb_icccm_get_wm_class_reply(conn,
6516             xcb_icccm_get_wm_class(conn, win->id),
6517             &win->ch, NULL)) {
6518                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6519                     win->ch.class_name, win->ch.instance_name);
6520
6521                 /* java is retarded so treat it special */
6522                 if (strstr(win->ch.instance_name, "sun-awt")) {
6523                         win->java = 1;
6524                         border_me = 1;
6525                 }
6526
6527                 TAILQ_FOREACH(qp, &quirks, entry) {
6528                         if (!strcmp(win->ch.class_name, qp->class) &&
6529                             !strcmp(win->ch.instance_name, qp->name)) {
6530                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6531                                     "class: %s, name: %s\n", win->ch.class_name,
6532                                     win->ch.instance_name);
6533                                 if (qp->quirk & SWM_Q_FLOAT) {
6534                                         win->floating = 1;
6535                                         border_me = 1;
6536                                 }
6537                                 win->quirks = qp->quirk;
6538                         }
6539                 }
6540         }
6541
6542         /* alter window position if quirky */
6543         if (win->quirks & SWM_Q_ANYWHERE) {
6544                 win->manual = 1; /* don't center the quirky windows */
6545                 if (bar_enabled && Y(win) < bar_height)
6546                         Y(win) = bar_height;
6547                 if (WIDTH(win) + X(win) > WIDTH(r))
6548                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6549                 border_me = 1;
6550         }
6551
6552         /* Reset font sizes (the bruteforce way; no default keybinding). */
6553         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6554                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6555                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6556                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6557                         fake_keypress(win, XK_KP_Add, ShiftMask);
6558         }
6559
6560         ewmh_get_win_state(win);
6561         ewmh_update_actions(win);
6562         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6563
6564         /* border me */
6565         if (border_me) {
6566                 win->bordered = 1;
6567                 X(win) -= border_width;
6568                 Y(win) -= border_width;
6569                 update_window(win);
6570         }
6571
6572         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6573             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6574
6575         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6576
6577         /* floaters need to be mapped if they are in the current workspace */
6578         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6579                 map_window_raised(win->id);
6580
6581         return (win);
6582 }
6583
6584 void
6585 free_window(struct ws_win *win)
6586 {
6587         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6588
6589         if (win == NULL)
6590                 return;
6591
6592         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6593
6594         if (win->wa)
6595                 free(win->wa);
6596
6597         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6598
6599         kill_refs(win);
6600
6601         /* paint memory */
6602         memset(win, 0xff, sizeof *win); /* XXX kill later */
6603
6604         free(win);
6605         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6606 }
6607
6608 void
6609 unmanage_window(struct ws_win *win)
6610 {
6611         struct ws_win           *parent;
6612         xcb_screen_t            *screen;
6613
6614         if (win == NULL)
6615                 return;
6616
6617         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6618
6619         if (win->transient) {
6620                 parent = find_window(win->transient);
6621                 if (parent)
6622                         parent->child_trans = NULL;
6623         }
6624
6625         /* focus on root just in case */
6626         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6627         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6628             screen->root, XCB_CURRENT_TIME);
6629
6630         focus_prev(win);
6631
6632         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6633         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6634 }
6635
6636 void
6637 focus_magic(struct ws_win *win)
6638 {
6639         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6640
6641         if (win == NULL) {
6642                 /* if there are no windows clear the status-bar */
6643                 bar_update();
6644                 return;
6645         }
6646
6647         if (win->child_trans) {
6648                 /* win = parent & has a transient so focus on that */
6649                 if (win->java) {
6650                         focus_win(win->child_trans);
6651                         if (win->child_trans->take_focus)
6652                                 client_msg(win, a_takefocus);
6653                 } else {
6654                         /* make sure transient hasn't disappeared */
6655                         if (validate_win(win->child_trans) == 0) {
6656                                 focus_win(win->child_trans);
6657                                 if (win->child_trans->take_focus)
6658                                         client_msg(win->child_trans,
6659                                             a_takefocus);
6660                         } else {
6661                                 win->child_trans = NULL;
6662                                 focus_win(win);
6663                                 if (win->take_focus)
6664                                         client_msg(win, a_takefocus);
6665                         }
6666                 }
6667         } else {
6668                 /* regular focus */
6669                 focus_win(win);
6670                 if (win->take_focus)
6671                         client_msg(win, a_takefocus);
6672         }
6673 }
6674
6675 void
6676 expose(xcb_expose_event_t *e)
6677 {
6678         int                     i, num_screens;
6679         struct swm_region       *r;
6680
6681         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6682
6683         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6684         for (i = 0; i < num_screens; i++)
6685                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6686                         if (e->window == WINID(r->bar))
6687                                 bar_update();
6688
6689         xcb_flush(conn);
6690 }
6691
6692 void
6693 keypress(xcb_key_press_event_t *e)
6694 {
6695         xcb_keysym_t            keysym;
6696         struct key              *kp;
6697
6698         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
6699
6700         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
6701
6702         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6703                 return;
6704
6705         if (kp->funcid == KF_SPAWN_CUSTOM)
6706                 spawn_custom(root_to_region(e->root),
6707                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
6708         else if (keyfuncs[kp->funcid].func)
6709                 keyfuncs[kp->funcid].func(root_to_region(e->root),
6710                     &(keyfuncs[kp->funcid].args));
6711 }
6712
6713 void
6714 buttonpress(xcb_button_press_event_t *e)
6715 {
6716         struct ws_win           *win;
6717         int                     i;
6718         unsigned int            action;
6719
6720         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
6721             e->event, e->detail);
6722
6723         if ((win = find_window(e->event)) == NULL)
6724                 return;
6725
6726         focus_magic(win);
6727         action = client_click;
6728
6729         for (i = 0; i < LENGTH(buttons); i++)
6730                 if (action == buttons[i].action && buttons[i].func &&
6731                     buttons[i].button == e->detail &&
6732                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6733                         buttons[i].func(win, &buttons[i].args);
6734
6735         xcb_flush(conn);
6736 }
6737
6738 #ifdef SWM_DEBUG
6739 void
6740 print_win_geom(xcb_window_t w)
6741 {
6742         xcb_get_geometry_reply_t        *wa;
6743
6744
6745         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
6746
6747         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
6748             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
6749             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
6750             wa->border_width);
6751
6752         free(wa);
6753 }
6754 #endif
6755
6756 void
6757 configurerequest(xcb_configure_request_event_t *e)
6758 {
6759         struct ws_win           *win;
6760         int                     new = 0, i = 0;
6761         uint16_t                mask = 0;
6762         uint32_t                wc[7] = {0};
6763
6764         if ((win = find_window(e->window)) == NULL)
6765                 if ((win = find_unmanaged_window(e->window)) == NULL)
6766                         new = 1;
6767 #ifdef SWM_DEBUG
6768         print_win_geom(e->window);
6769 #endif
6770         if (new) {
6771                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6772                     "value_mask: 0x%x", e->window, e->value_mask);
6773                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6774                         mask |= XCB_CONFIG_WINDOW_X;
6775                         wc[i++] = e->x;
6776                         DPRINTF(", X: %d", e->x);
6777                 }
6778                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6779                         mask |= XCB_CONFIG_WINDOW_Y;
6780                         wc[i++] = e->y;
6781                         DPRINTF(", Y: %d", e->y);
6782                 }
6783                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6784                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6785                         wc[i++] = e->width;
6786                         DPRINTF(", W: %u", e->width);
6787                 }
6788                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6789                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6790                         wc[i++] = e->height;
6791                         DPRINTF(", H: %u", e->height);
6792                 }
6793                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6794                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6795                         wc[i++] = e->border_width;
6796                         DPRINTF(", Border: %u", e->border_width);
6797                 }
6798                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6799                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6800                         wc[i++] = e->sibling;
6801                         DPRINTF(", Sibling: 0x%x", e->sibling);
6802                 }
6803                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6804                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6805                         wc[i++] = e->stack_mode;
6806                         DPRINTF(", StackMode: %u", e->stack_mode);
6807                 }
6808
6809                 if (mask != 0)
6810                         xcb_configure_window(conn, e->window, mask, wc);
6811
6812                 DPRINTF(", Sent: %s\n", YESNO((mask != 0)));
6813         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6814             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6815                 win->g_float.x = e->x - X(win->ws->r);
6816                 win->g_float.y = e->y - Y(win->ws->r);
6817                 win->g_float.w = e->width;
6818                 win->g_float.h = e->height;
6819                 win->g_floatvalid = 1;
6820
6821                 if (win->floating) {
6822                         win->g = win->g_float;
6823                         win->g.x += X(win->ws->r);
6824                         win->g.y += Y(win->ws->r);
6825                         update_window(win);
6826                 } else {
6827                         config_win(win, e);
6828                 }
6829         } else {
6830                 config_win(win, e);
6831         }
6832
6833         xcb_flush(conn);
6834 }
6835
6836 void
6837 configurenotify(xcb_configure_notify_event_t *e)
6838 {
6839         struct ws_win           *win;
6840
6841         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
6842             e->window);
6843
6844         win = find_window(e->window);
6845         if (win) {
6846                 xcb_icccm_get_wm_normal_hints_reply(conn,
6847                     xcb_icccm_get_wm_normal_hints(conn, win->id),
6848                     &win->sh, NULL);
6849                 adjust_font(win);
6850                 if (font_adjusted)
6851                         stack();
6852         }
6853 }
6854
6855 void
6856 destroynotify(xcb_destroy_notify_event_t *e)
6857 {
6858         struct ws_win           *win;
6859
6860         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
6861
6862         if ((win = find_window(e->window)) == NULL) {
6863                 if ((win = find_unmanaged_window(e->window)) == NULL)
6864                         return;
6865                 free_window(win);
6866                 return;
6867         }
6868
6869         /* make sure we focus on something */
6870         win->floating = 0;
6871
6872         unmanage_window(win);
6873         stack();
6874         free_window(win);
6875 }
6876
6877 void
6878 enternotify(xcb_enter_notify_event_t *e)
6879 {
6880         struct ws_win           *win;
6881         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %d, detail: "
6882             "%d, root: 0x%x, subwindow: 0x%x, same_screen_focus: %s, "
6883             "state: %d\n", e->event, e->mode, e->detail, e->root,
6884             e->child, YESNO(e->same_screen_focus), e->state);
6885
6886         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
6887                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6888                     "cursor grab.\n");
6889                 return;
6890         }
6891
6892         switch (focus_mode) {
6893         case SWM_FOCUS_DEFAULT:
6894                 break;
6895         case SWM_FOCUS_FOLLOW:
6896                 break;
6897         case SWM_FOCUS_SYNERGY:
6898                 break;
6899         }
6900
6901         if ((win = find_window(e->event)) == NULL) {
6902                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6903                 return;
6904         }
6905
6906         focus_magic(win);
6907
6908         xcb_flush(conn);
6909 }
6910
6911 /* lets us use one switch statement for arbitrary mode/detail combinations */
6912 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6913
6914 void
6915 mapnotify(xcb_map_notify_event_t *e)
6916 {
6917         struct ws_win           *win;
6918
6919         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
6920
6921         win = manage_window(e->window);
6922         if (win)
6923                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
6924
6925         /*
6926          * focus_win can only set input focus on a mapped window.
6927          * make sure the window really has focus since it is just being mapped.
6928          */
6929         if (win->ws->focus == win)
6930                 focus_win(win);
6931 }
6932
6933 void
6934 mappingnotify(xcb_mapping_notify_event_t *e)
6935 {
6936         xcb_refresh_keyboard_mapping(syms, e);
6937
6938         if (e->request == XCB_MAPPING_KEYBOARD)
6939                 grabkeys();
6940 }
6941
6942 void
6943 maprequest(xcb_map_request_event_t *e)
6944 {
6945         struct ws_win           *win;
6946         struct swm_region       *r;
6947         xcb_get_window_attributes_reply_t *war;
6948
6949         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
6950             e->window);
6951
6952         war = xcb_get_window_attributes_reply(conn,
6953             xcb_get_window_attributes(conn, e->window),
6954             NULL);
6955         if (!war)
6956                 return;
6957         if (war->override_redirect) {
6958                 free(war);
6959                 return;
6960         }
6961         free(war);
6962
6963         win = manage_window(e->window);
6964         if (win == NULL) {
6965                 return; /* can't happen */
6966         }
6967
6968         stack();
6969
6970         /* make new win focused */
6971         r = root_to_region(win->wa->root);
6972         if (win->ws == r->ws)
6973                 focus_magic(win);
6974 }
6975
6976 #ifdef SWM_DEBUG
6977 char *
6978 get_atom_name(xcb_atom_t atom)
6979 {
6980         char                            *name;
6981         size_t                          len;
6982         xcb_get_atom_name_reply_t       *r;
6983         xcb_map_request_event_t         mre;
6984
6985         r = xcb_get_atom_name_reply(conn,
6986             xcb_get_atom_name(conn, atom),
6987             NULL);
6988         if (r) {
6989                 len = xcb_get_atom_name_name_length(r);
6990                 if (len > 0) {
6991                         name = malloc(len + 1);
6992                         if (name) {
6993                                 memcpy(name, xcb_get_atom_name_name(r), len);
6994                                 name[len] = '\0';
6995
6996                                 return name;
6997                         }
6998                 }
6999                 free(r);
7000         }
7001
7002         return NULL;
7003 }
7004 #endif
7005
7006 void
7007 propertynotify(xcb_property_notify_event_t *e)
7008 {
7009         struct ws_win           *win;
7010 #ifdef SWM_DEBUG
7011         char                    *name;
7012
7013         name = get_atom_name(e->atom);
7014         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u)\n",
7015             e->window, name, e->atom);
7016         free(name);
7017 #endif
7018
7019         win = find_window(e->window);
7020         if (win == NULL)
7021                 return;
7022
7023         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7024                 update_iconic(win, 0);
7025                 map_window_raised(win->id);
7026                 stack();
7027                 focus_win(win);
7028                 return;
7029         }
7030
7031         switch (e->atom) {
7032         case XCB_ATOM_WM_CLASS:
7033         case XCB_ATOM_WM_NAME:
7034                 bar_update();
7035                 break;
7036         default:
7037                 break;
7038         }
7039 }
7040
7041 void
7042 unmapnotify(xcb_unmap_notify_event_t *e)
7043 {
7044         struct ws_win           *win;
7045
7046         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7047
7048         /* determine if we need to help unmanage this window */
7049         win = find_window(e->window);
7050         if (win == NULL)
7051                 return;
7052
7053         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7054                 unmanage_window(win);
7055                 stack();
7056
7057                 /* resend unmap because we ated it */
7058                 xcb_unmap_window(conn, e->window);
7059                 xcb_flush(conn);
7060         }
7061 }
7062
7063 /*void
7064 visibilitynotify(xcb_visibility_notify_event_t *e)
7065 {
7066         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7067             e->window);
7068 }*/
7069
7070 void
7071 clientmessage(xcb_client_message_event_t *e)
7072 {
7073         struct ws_win *win;
7074         xcb_map_request_event_t mre;
7075 #ifdef SWM_DEBUG
7076         char                    *name;
7077
7078         name = get_atom_name(e->type);
7079         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
7080             e->window, name, e->type);
7081         free(name);
7082 #endif
7083         win = find_window(e->window);
7084
7085         if (win == NULL) {
7086                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7087                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7088                             "unmanaged window.\n");
7089                         mre.window = e->window;
7090                         maprequest(&mre);
7091                 }
7092                 return;
7093         }
7094
7095         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7096                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7097                 focus_win(win);
7098         }
7099         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7100                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7101                 if (win->can_delete)
7102                         client_msg(win, a_delete);
7103                 else
7104                         xcb_kill_client(conn, win->id);
7105         }
7106         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7107                 DNPRINTF(SWM_D_EVENT,
7108                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7109                 if (win->floating) {
7110                         if (e->data.data32[0] & (1<<8)) /* x */
7111                                 X(win) = e->data.data32[1];
7112                         if (e->data.data32[0] & (1<<9)) /* y */
7113                                 Y(win) = e->data.data32[2];
7114                         if (e->data.data32[0] & (1<<10)) /* width */
7115                                 WIDTH(win) = e->data.data32[3];
7116                         if (e->data.data32[0] & (1<<11)) /* height */
7117                                 HEIGHT(win) = e->data.data32[4];
7118
7119                         update_window(win);
7120                 }
7121                 else {
7122                         /* TODO: Change stack sizes */
7123                         /* notify no change was made. */
7124                         config_win(win, NULL);
7125                 }
7126         }
7127         if (e->type == ewmh[_NET_WM_STATE].atom) {
7128                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7129                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7130                 if (e->data.data32[2])
7131                         ewmh_update_win_state(win, e->data.data32[2],
7132                             e->data.data32[0]);
7133
7134                 stack();
7135         }
7136
7137         xcb_flush(conn);
7138 }
7139
7140 int
7141 enable_wm(void)
7142 {
7143         int                     num_screens, i;
7144         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7145         xcb_screen_t            *sc;
7146         xcb_void_cookie_t       wac;
7147         xcb_generic_error_t     *error;
7148
7149         /* this causes an error if some other window manager is running */
7150         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7151         for (i = 0; i < num_screens; i++) {
7152                 sc = get_screen(i);
7153                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
7154                     i, sc->root);
7155                 wac = xcb_change_window_attributes_checked(conn, sc->root,
7156                         XCB_CW_EVENT_MASK, &val);
7157                 if ((error = xcb_request_check(conn, wac))) {
7158                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
7159                             error->error_code);
7160                         free(error);
7161                         return 1;
7162                 }
7163         }
7164
7165         return 0;
7166 }
7167
7168 void
7169 new_region(struct swm_screen *s, int x, int y, int w, int h)
7170 {
7171         struct swm_region       *r, *n;
7172         struct workspace        *ws = NULL;
7173         int                     i;
7174
7175         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7176              s->idx, w, h, x, y);
7177
7178         /* remove any conflicting regions */
7179         n = TAILQ_FIRST(&s->rl);
7180         while (n) {
7181                 r = n;
7182                 n = TAILQ_NEXT(r, entry);
7183                 if (X(r) < (x + w) &&
7184                     (X(r) + WIDTH(r)) > x &&
7185                     Y(r) < (y + h) &&
7186                     (Y(r) + HEIGHT(r)) > y) {
7187                         if (r->ws->r != NULL)
7188                                 r->ws->old_r = r->ws->r;
7189                         r->ws->r = NULL;
7190                         bar_cleanup(r);
7191                         TAILQ_REMOVE(&s->rl, r, entry);
7192                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7193                 }
7194         }
7195
7196         /* search old regions for one to reuse */
7197
7198         /* size + location match */
7199         TAILQ_FOREACH(r, &s->orl, entry)
7200                 if (X(r) == x && Y(r) == y &&
7201                     HEIGHT(r) == h && WIDTH(r) == w)
7202                         break;
7203
7204         /* size match */
7205         TAILQ_FOREACH(r, &s->orl, entry)
7206                 if (HEIGHT(r) == h && WIDTH(r) == w)
7207                         break;
7208
7209         if (r != NULL) {
7210                 TAILQ_REMOVE(&s->orl, r, entry);
7211                 /* try to use old region's workspace */
7212                 if (r->ws->r == NULL)
7213                         ws = r->ws;
7214         } else
7215                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7216                         err(1, "new_region: calloc: failed to allocate memory "
7217                             "for screen");
7218
7219         /* if we don't have a workspace already, find one */
7220         if (ws == NULL) {
7221                 for (i = 0; i < workspace_limit; i++)
7222                         if (s->ws[i].r == NULL) {
7223                                 ws = &s->ws[i];
7224                                 break;
7225                         }
7226         }
7227
7228         if (ws == NULL)
7229                 errx(1, "new_region: no free workspaces");
7230
7231         X(r) = x;
7232         Y(r) = y;
7233         WIDTH(r) = w;
7234         HEIGHT(r) = h;
7235         r->s = s;
7236         r->ws = ws;
7237         r->ws_prior = NULL;
7238         ws->r = r;
7239         outputs++;
7240         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7241 }
7242
7243 void
7244 scan_xrandr(int i)
7245 {
7246 #ifdef SWM_XRR_HAS_CRTC
7247         int                                             c;
7248         int                                             ncrtc = 0;
7249 #endif /* SWM_XRR_HAS_CRTC */
7250         struct swm_region                               *r;
7251         int                                             num_screens;
7252         xcb_randr_get_screen_resources_current_cookie_t src;
7253         xcb_randr_get_screen_resources_current_reply_t  *srr;
7254         xcb_randr_get_crtc_info_cookie_t                cic;
7255         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7256         xcb_randr_crtc_t                                *crtc;
7257         xcb_screen_t                                    *screen = get_screen(i);
7258
7259         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7260         if (i >= num_screens)
7261                 errx(1, "scan_xrandr: invalid screen");
7262
7263         /* remove any old regions */
7264         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7265                 r->ws->old_r = r->ws->r = NULL;
7266                 bar_cleanup(r);
7267                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7268                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7269         }
7270         outputs = 0;
7271
7272         /* map virtual screens onto physical screens */
7273 #ifdef SWM_XRR_HAS_CRTC
7274         if (xrandr_support) {
7275                 src = xcb_randr_get_screen_resources_current(conn,
7276                     screens[i].root);
7277                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7278                     NULL);
7279                 if (srr == NULL) {
7280                         new_region(&screens[i], 0, 0,
7281                             screen->width_in_pixels,
7282                             screen->height_in_pixels);
7283                         return;
7284                 } else
7285                         ncrtc = srr->num_crtcs;
7286                 for (c = 0; c < ncrtc; c++) {
7287                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7288                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7289                             XCB_CURRENT_TIME);
7290                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7291                         if (cir == NULL)
7292                                 continue;
7293                         if (cir->num_outputs == 0) {
7294                                 free(cir);
7295                                 continue;
7296                         }
7297
7298                         if (cir->mode == 0)
7299                                 new_region(&screens[i], 0, 0,
7300                                     screen->width_in_pixels,
7301                                     screen->height_in_pixels);
7302                         else
7303                                 new_region(&screens[i],
7304                                     cir->x, cir->y, cir->width, cir->height);
7305                         free(cir);
7306                 }
7307                 free(srr);
7308         } else
7309 #endif /* SWM_XRR_HAS_CRTC */
7310         {
7311                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7312                     screen->height_in_pixels);
7313         }
7314 }
7315
7316 void
7317 screenchange(xcb_randr_screen_change_notify_event_t *e)
7318 {
7319         struct swm_region               *r;
7320         int                             i, num_screens;
7321
7322         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7323
7324         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7325         /* silly event doesn't include the screen index */
7326         for (i = 0; i < num_screens; i++)
7327                 if (screens[i].root == e->root)
7328                         break;
7329         if (i >= num_screens)
7330                 errx(1, "screenchange: screen not found");
7331
7332         /* brute force for now, just re-enumerate the regions */
7333         scan_xrandr(i);
7334
7335 #ifdef SWM_DEBUG
7336         print_win_geom(e->root);
7337 #endif
7338         /* add bars to all regions */
7339         for (i = 0; i < num_screens; i++)
7340                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7341                         bar_setup(r);
7342         stack();
7343 }
7344
7345 void
7346 grab_windows(void)
7347 {
7348         xcb_window_t            *wins   = NULL;
7349         int                     no;
7350         int                     i, j, num_screens;
7351         uint16_t                state, manage;
7352
7353         xcb_query_tree_cookie_t                 qtc;
7354         xcb_query_tree_reply_t                  *qtr;
7355         xcb_get_window_attributes_cookie_t      c;
7356         xcb_get_window_attributes_reply_t       *r;
7357         xcb_get_property_cookie_t               pc;
7358
7359         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7360         for (i = 0; i < num_screens; i++) {
7361                 qtc = xcb_query_tree(conn, screens[i].root);
7362                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7363                 if (!qtr)
7364                         continue;
7365                 wins = xcb_query_tree_children(qtr);
7366                 no = xcb_query_tree_children_length(qtr);
7367                 /* attach windows to a region */
7368                 /* normal windows */
7369                 for (j = 0; j < no; j++) {
7370                         c = xcb_get_window_attributes(conn, wins[j]);
7371                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7372                         if (!r)
7373                                 continue;
7374                         if (r->override_redirect) {
7375                                 free(r);
7376                                 continue;
7377                         }
7378
7379                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7380                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7381                             &wins[j], NULL)) {
7382                                 free(r);
7383                                 continue;
7384                         }
7385
7386                         state = getstate(wins[j]);
7387                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7388                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7389                                 manage_window(wins[j]);
7390                         free(r);
7391                 }
7392                 /* transient windows */
7393                 for (j = 0; j < no; j++) {
7394                         c = xcb_get_window_attributes(conn, wins[j]);
7395                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7396                         if (!r)
7397                                 continue;
7398                         if (r->override_redirect) {
7399                                 free(r);
7400                                 continue;
7401                         }
7402                         free(r);
7403
7404                         state = getstate(wins[j]);
7405                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7406                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7407                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7408                             &wins[j], NULL) && manage)
7409                                 manage_window(wins[j]);
7410                 }
7411                 free(qtr);
7412         }
7413 }
7414
7415 void
7416 setup_screens(void)
7417 {
7418         int                     i, j, k, num_screens;
7419         struct workspace        *ws;
7420         uint32_t                gcv[1], wa[1];
7421         const xcb_query_extension_reply_t *qep;
7422         xcb_cursor_t                            cursor;
7423         xcb_font_t                              cursor_font;
7424         xcb_randr_query_version_cookie_t        c;
7425         xcb_randr_query_version_reply_t         *r;
7426
7427         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7428         if ((screens = calloc(num_screens,
7429              sizeof(struct swm_screen))) == NULL)
7430                 err(1, "setup_screens: calloc: failed to allocate memory for "
7431                     "screens");
7432
7433         /* initial Xrandr setup */
7434         xrandr_support = False;
7435         c = xcb_randr_query_version(conn, True, True);
7436         r = xcb_randr_query_version_reply(conn, c, NULL);
7437         if (r) {
7438                 if (r->major_version >= 1)
7439                         xrandr_support = True;
7440                 free(r);
7441         }
7442         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7443         xrandr_eventbase = qep->first_event;
7444
7445         cursor_font = xcb_generate_id(conn);
7446         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7447
7448         cursor = xcb_generate_id(conn);
7449         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7450                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7451         wa[0] = cursor;
7452
7453         /* map physical screens */
7454         for (i = 0; i < num_screens; i++) {
7455                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7456                 screens[i].idx = i;
7457                 TAILQ_INIT(&screens[i].rl);
7458                 TAILQ_INIT(&screens[i].orl);
7459                 screens[i].root = get_screen(i)->root;
7460
7461                 /* set default colors */
7462                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7463                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7464                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7465                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7466                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7467
7468                 /* create graphics context on screen */
7469                 screens[i].bar_gc = xcb_generate_id(conn);
7470                 gcv[0] = 0;
7471                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7472                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7473
7474                 /* set default cursor */
7475                 xcb_change_window_attributes(conn, screens[i].root,
7476                     XCB_CW_CURSOR, wa);
7477
7478                 /* init all workspaces */
7479                 /* XXX these should be dynamically allocated too */
7480                 for (j = 0; j < SWM_WS_MAX; j++) {
7481                         ws = &screens[i].ws[j];
7482                         ws->idx = j;
7483                         ws->name = NULL;
7484                         ws->focus = NULL;
7485                         ws->r = NULL;
7486                         ws->old_r = NULL;
7487                         TAILQ_INIT(&ws->winlist);
7488                         TAILQ_INIT(&ws->unmanagedlist);
7489
7490                         for (k = 0; layouts[k].l_stack != NULL; k++)
7491                                 if (layouts[k].l_config != NULL)
7492                                         layouts[k].l_config(ws,
7493                                             SWM_ARG_ID_STACKINIT);
7494                         ws->cur_layout = &layouts[0];
7495                         ws->cur_layout->l_string(ws);
7496                 }
7497
7498                 scan_xrandr(i);
7499
7500                 if (xrandr_support)
7501                         xcb_randr_select_input(conn, screens[i].root,
7502                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7503         }
7504         xcb_free_cursor(conn, cursor);
7505         xcb_close_font(conn, cursor_font);
7506 }
7507
7508 void
7509 setup_globals(void)
7510 {
7511         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7512                 err(1, "setup_globals: strdup: failed to allocate memory.");
7513
7514         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7515                 err(1, "setup_globals: strdup: failed to allocate memory.");
7516
7517         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
7518                 errx(1, "unable to allocate key symbols");
7519
7520         a_state = get_atom_from_string("WM_STATE");
7521         a_prot = get_atom_from_string("WM_PROTOCOLS");
7522         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
7523         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7524         a_wmname = get_atom_from_string("WM_NAME");
7525         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7526         a_utf8_string = get_atom_from_string("UTF8_STRING");
7527         a_string = get_atom_from_string("STRING");
7528         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7529 }
7530
7531 void
7532 workaround(void)
7533 {
7534         int                     i, num_screens;
7535         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7536         xcb_window_t            root, win;
7537         uint32_t                wa[2];
7538
7539         /* work around sun jdk bugs, code from wmname */
7540         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7541         netwmname = get_atom_from_string("_NET_WM_NAME");
7542         utf8_string = get_atom_from_string("UTF8_STRING");
7543
7544         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7545         for (i = 0; i < num_screens; i++) {
7546                 root = screens[i].root;
7547
7548                 win = xcb_generate_id(conn);
7549                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7550                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7551                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7552                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7553                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7554
7555                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7556                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7557                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7558                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7559                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7560                     netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7561         }
7562 }
7563
7564 void
7565 event_error(xcb_generic_error_t *e)
7566 {
7567         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
7568             "resource_id: %u, minor_code: %u\n",
7569             xcb_event_get_error_label(e->error_code), e->error_code,
7570             xcb_event_get_request_label(e->major_code), e->major_code,
7571             e->sequence, e->resource_id, e->minor_code);
7572 }
7573
7574 void
7575 event_handle(xcb_generic_event_t *evt)
7576 {
7577         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7578
7579         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
7580             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
7581             XCB_EVENT_RESPONSE_TYPE(evt));
7582
7583         switch (type) {
7584 #define EVENT(type, callback) case type: callback((void *)evt); return
7585         EVENT(0, event_error);
7586         EVENT(XCB_BUTTON_PRESS, buttonpress);
7587         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7588         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
7589         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
7590         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7591         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
7592         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7593         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7594         /*EVENT(XCB_CREATE_NOTIFY, );*/
7595         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7596         EVENT(XCB_ENTER_NOTIFY, enternotify);
7597         EVENT(XCB_EXPOSE, expose);
7598         /*EVENT(XCB_FOCUS_IN, );*/
7599         /*EVENT(XCB_FOCUS_OUT, );*/
7600         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
7601         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
7602         EVENT(XCB_KEY_PRESS, keypress);
7603         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7604         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
7605         /*EVENT(XCB_LEAVE_NOTIFY, );*/
7606         EVENT(XCB_MAP_NOTIFY, mapnotify);
7607         EVENT(XCB_MAP_REQUEST, maprequest);
7608         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7609         /*EVENT(XCB_MOTION_NOTIFY, );*/
7610         /*EVENT(XCB_NO_EXPOSURE, );*/
7611         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7612         /*EVENT(XCB_REPARENT_NOTIFY, );*/
7613         /*EVENT(XCB_RESIZE_REQUEST, );*/
7614         /*EVENT(XCB_SELECTION_CLEAR, );*/
7615         /*EVENT(XCB_SELECTION_NOTIFY, );*/
7616         /*EVENT(XCB_SELECTION_REQUEST, );*/
7617         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7618         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
7619 #undef EVENT
7620         }
7621         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7622                 screenchange((void *)evt);
7623 }
7624
7625 xerror(Display *d, XErrorEvent *ee)
7626 {
7627 #ifdef SWM_DEBUG
7628         char error_text[1024];
7629         XGetErrorText(display, ee->error_code, error_text, sizeof(error_text));
7630         DNPRINTF(SWM_D_MISC, "xerror: error_code: %u, error_text: %s\n",
7631             ee->error_code, error_text);
7632 #endif
7633         return -1;
7634 }
7635
7636 int
7637 main(int argc, char *argv[])
7638 {
7639         struct swm_region       *r, *rr;
7640         struct ws_win           *winfocus = NULL;
7641         union arg               a;
7642         char                    conf[PATH_MAX], *cfile = NULL;
7643         struct stat             sb;
7644         int                     xfd, i, num_screens;
7645         struct sigaction        sact;
7646         xcb_generic_event_t     *evt;
7647         struct timeval          tv;
7648         fd_set                  rd;
7649
7650         time_started = time(NULL);
7651
7652         start_argv = argv;
7653         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7654         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
7655                 warnx("no locale support");
7656
7657         /* handle some signals */
7658         bzero(&sact, sizeof(sact));
7659         sigemptyset(&sact.sa_mask);
7660         sact.sa_flags = 0;
7661         sact.sa_handler = sighdlr;
7662         sigaction(SIGINT, &sact, NULL);
7663         sigaction(SIGQUIT, &sact, NULL);
7664         sigaction(SIGTERM, &sact, NULL);
7665         sigaction(SIGHUP, &sact, NULL);
7666
7667         sact.sa_handler = sighdlr;
7668         sact.sa_flags = SA_NOCLDSTOP;
7669         sigaction(SIGCHLD, &sact, NULL);
7670
7671         if (!(display = XOpenDisplay(0)))
7672                 errx(1, "can not open display");
7673
7674         /* prevent xlib from exiting on an error */
7675         xerrorxlib = XSetErrorHandler(xerror);
7676
7677         conn = XGetXCBConnection(display);
7678         if (xcb_connection_has_error(conn))
7679                 errx(1, "can not get XCB connection");
7680
7681         xcb_prefetch_extension_data(conn, &xcb_randr_id);
7682         xfd = xcb_get_file_descriptor(conn);
7683
7684         /* look for local and global conf file */
7685         pwd = getpwuid(getuid());
7686         if (pwd == NULL)
7687                 errx(1, "invalid user: %d", getuid());
7688
7689         xcb_grab_server(conn);
7690         xcb_aux_sync(conn);
7691
7692         /* flush all events */
7693         while ((evt = xcb_poll_for_event(conn))) {
7694                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
7695                         event_handle(evt);
7696                 free(evt);
7697         }
7698
7699         if (enable_wm() != 0)
7700                 errx(1, "another window manager is currently running");
7701
7702         xcb_aux_sync(conn);
7703
7704         setup_globals();
7705         setup_screens();
7706         setup_keys();
7707         setup_quirks();
7708         setup_spawn();
7709
7710         /* load config */
7711         for (i = 0; ; i++) {
7712                 conf[0] = '\0';
7713                 switch (i) {
7714                 case 0:
7715                         /* ~ */
7716                         snprintf(conf, sizeof conf, "%s/.%s",
7717                             pwd->pw_dir, SWM_CONF_FILE);
7718                         break;
7719                 case 1:
7720                         /* global */
7721                         snprintf(conf, sizeof conf, "/etc/%s",
7722                             SWM_CONF_FILE);
7723                         break;
7724                 case 2:
7725                         /* ~ compat */
7726                         snprintf(conf, sizeof conf, "%s/.%s",
7727                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7728                         break;
7729                 case 3:
7730                         /* global compat */
7731                         snprintf(conf, sizeof conf, "/etc/%s",
7732                             SWM_CONF_FILE_OLD);
7733                         break;
7734                 default:
7735                         goto noconfig;
7736                 }
7737
7738                 if (strlen(conf) && stat(conf, &sb) != -1)
7739                         if (S_ISREG(sb.st_mode)) {
7740                                 cfile = conf;
7741                                 break;
7742                         }
7743         }
7744 noconfig:
7745
7746         /* load conf (if any) */
7747         if (cfile)
7748                 conf_load(cfile, SWM_CONF_DEFAULT);
7749
7750         setup_ewmh();
7751         /* set some values to work around bad programs */
7752         workaround();
7753         /* grab existing windows (before we build the bars) */
7754         grab_windows();
7755
7756         if (getenv("SWM_STARTED") == NULL)
7757                 setenv("SWM_STARTED", "YES", 1);
7758
7759         /* setup all bars */
7760         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7761         for (i = 0; i < num_screens; i++)
7762                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7763                         if (winfocus == NULL)
7764                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7765                         bar_setup(r);
7766                 }
7767
7768         //unfocus_all();
7769
7770         grabkeys();
7771         stack();
7772
7773         xcb_ungrab_server(conn);
7774         xcb_flush(conn);
7775
7776         while (running) {
7777                 while ((evt = xcb_poll_for_event(conn))) {
7778                         if (running == 0)
7779                                 goto done;
7780                         event_handle(evt);
7781                         free(evt);
7782                 }
7783
7784                 /* if we are being restarted go focus on first window */
7785                 if (winfocus) {
7786                         rr = winfocus->ws->r;
7787                         if (rr == NULL) {
7788                                 /* not a visible window */
7789                                 winfocus = NULL;
7790                                 continue;
7791                         }
7792                         /* move pointer to first screen if multi screen */
7793                         if (num_screens > 1 || outputs > 1)
7794                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7795                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
7796                                     Y(rr) + (bar_enabled ? bar_height : 0));
7797
7798                         a.id = SWM_ARG_ID_FOCUSCUR;
7799                         focus(rr, &a);
7800                         winfocus = NULL;
7801                         continue;
7802                 }
7803
7804                 FD_ZERO(&rd);
7805                 FD_SET(xfd, &rd);
7806                 tv.tv_sec = 1;
7807                 tv.tv_usec = 0;
7808                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7809                         if (errno != EINTR)
7810                                 DNPRINTF(SWM_D_MISC, "select failed");
7811                 if (restart_wm == 1)
7812                         restart(NULL, NULL);
7813                 if (search_resp == 1)
7814                         search_do_resp();
7815                 if (running == 0)
7816                         goto done;
7817                 if (bar_alarm) {
7818                         bar_alarm = 0;
7819                         bar_update();
7820                 }
7821         }
7822 done:
7823         teardown_ewmh();
7824         bar_extra_stop();
7825
7826         for (i = 0; i < num_screens; ++i)
7827                 if (screens[i].bar_gc != 0)
7828                         xcb_free_gc(conn, screens[i].bar_gc);
7829 #if 0
7830         XFreeFontSet(display, bar_font);
7831 #endif
7832         xcb_key_symbols_free(syms);
7833         xcb_flush(conn);
7834         xcb_disconnect(conn);
7835
7836         return (0);
7837 }