spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <signal.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <time.h>
  89 #include <unistd.h>
  90 #include <util.h>
  91 #include <X11/cursorfont.h>
  92 #include <X11/extensions/Xrandr.h>
  93 #include <X11/Xft/Xft.h>
  94 #include <X11/Xlib-xcb.h>
  95 #include <xcb/xcb_atom.h>
  96 #include <xcb/xcb_aux.h>
  97 #include <xcb/xcb_event.h>
  98 #include <xcb/xcb_icccm.h>
  99 #include <xcb/xcb_keysyms.h>
 100 #include <xcb/xtest.h>
 101 #include <xcb/randr.h>
 102
 103 /* local includes */
 104 #include "version.h"
 105 #ifdef __OSX__
 106 #include <osx.h>
 107 #endif
 108
 109 #ifdef SPECTRWM_BUILDSTR
 110 static const char       *buildstr = SPECTRWM_BUILDSTR;
 111 #else
 112 static const char       *buildstr = SPECTRWM_VERSION;
 113 #endif
 114
 115 #if RANDR_MAJOR < 1
 116 #  error XRandR versions less than 1.0 are not supported
 117 #endif
 118
 119 #if RANDR_MAJOR >= 1
 120 #if RANDR_MINOR >= 2
 121 #define SWM_XRR_HAS_CRTC
 122 #endif
 123 #endif
 124
 125 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 126 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 127 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 128 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 129 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 130 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 131 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 132 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 133 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 134 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 135 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 136 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 137 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 138 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 139 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 140 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 141 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 142 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 143 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 144 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 145 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 146 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 147 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 148 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 149 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 150 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 151 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 152 #endif
 153
 154 #define SWM_DEBUG
 155 #ifdef SWM_DEBUG
 156 #define DPRINTF(x...) do {                                                      \
 157         if (swm_debug)                                                          \
 158                 fprintf(stderr, x);                                             \
 159 } while (0)
 160 #define DNPRINTF(n,x...) do {                                                   \
 161         if (swm_debug & n) {                                                    \
 162                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 163                 fprintf(stderr, x);                                             \
 164         }                                                                       \
 165 } while (0)
 166 #define SWM_D_MISC              0x0001
 167 #define SWM_D_EVENT             0x0002
 168 #define SWM_D_WS                0x0004
 169 #define SWM_D_FOCUS             0x0008
 170 #define SWM_D_MOVE              0x0010
 171 #define SWM_D_STACK             0x0020
 172 #define SWM_D_MOUSE             0x0040
 173 #define SWM_D_PROP              0x0080
 174 #define SWM_D_CLASS             0x0100
 175 #define SWM_D_KEY               0x0200
 176 #define SWM_D_QUIRK             0x0400
 177 #define SWM_D_SPAWN             0x0800
 178 #define SWM_D_EVENTQ            0x1000
 179 #define SWM_D_CONF              0x2000
 180 #define SWM_D_BAR               0x4000
 181 #define SWM_D_INIT              0x8000
 182
 183 u_int32_t               swm_debug = 0
 184                             | SWM_D_MISC
 185                             | SWM_D_EVENT
 186                             | SWM_D_WS
 187                             | SWM_D_FOCUS
 188                             | SWM_D_MOVE
 189                             | SWM_D_STACK
 190                             | SWM_D_MOUSE
 191                             | SWM_D_PROP
 192                             | SWM_D_CLASS
 193                             | SWM_D_KEY
 194                             | SWM_D_QUIRK
 195                             | SWM_D_SPAWN
 196                             | SWM_D_EVENTQ
 197                             | SWM_D_CONF
 198                             | SWM_D_BAR
 199                             | SWM_D_INIT
 200                             ;
 201 #else
 202 #define DPRINTF(x...)
 203 #define DNPRINTF(n,x...)
 204 #endif
 205
 206 /* convert 8-bit to 16-bit */
 207 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 208
 209 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 210         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 211         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 212         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 213         xrc.alpha = 0xffff;
 214
 215 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 216 #define MODKEY                  Mod1Mask
 217 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | LockMask))
 218 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 219 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 220 #define SWM_PROPLEN             (16)
 221 #define SWM_FUNCNAME_LEN        (32)
 222 #define SWM_KEYS_LEN            (255)
 223 #define SWM_QUIRK_LEN           (64)
 224 #define X(r)                    (r)->g.x
 225 #define Y(r)                    (r)->g.y
 226 #define WIDTH(r)                (r)->g.w
 227 #define HEIGHT(r)               (r)->g.h
 228 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 229 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 230 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 231 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 232 #define SH_MIN_W(w)             (w)->sh.min_width
 233 #define SH_MIN_H(w)             (w)->sh.min_height
 234 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 235 #define SH_MAX_W(w)             (w)->sh.max_width
 236 #define SH_MAX_H(w)             (w)->sh.max_height
 237 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 238 #define SH_INC_W(w)             (w)->sh.width_inc
 239 #define SH_INC_H(w)             (w)->sh.height_inc
 240 #define SWM_MAX_FONT_STEPS      (3)
 241 #define WINID(w)                ((w) ? (w)->id : 0)
 242 #define YESNO(x)                ((x) ? "yes" : "no")
 243
 244 #define SWM_FOCUS_DEFAULT       (0)
 245 #define SWM_FOCUS_SYNERGY       (1)
 246 #define SWM_FOCUS_FOLLOW        (2)
 247
 248 #define SWM_CONF_DEFAULT        (0)
 249 #define SWM_CONF_KEYMAPPING     (1)
 250
 251 #ifndef SWM_LIB
 252 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 253 #endif
 254
 255 char                    **start_argv;
 256 xcb_atom_t              a_state;
 257 xcb_atom_t              a_prot;
 258 xcb_atom_t              a_delete;
 259 xcb_atom_t              a_takefocus;
 260 xcb_atom_t              a_wmname;
 261 xcb_atom_t              a_netwmname;
 262 xcb_atom_t              a_utf8_string;
 263 xcb_atom_t              a_string;
 264 xcb_atom_t              a_swm_iconic;
 265 xcb_atom_t              a_swm_ws;
 266 volatile sig_atomic_t   running = 1;
 267 volatile sig_atomic_t   restart_wm = 0;
 268 int                     outputs = 0;
 269 /*int                   last_focus_event = FocusOut;*/
 270 int                     other_wm;
 271 int                     ss_enabled = 0;
 272 int                     xrandr_support;
 273 int                     xrandr_eventbase;
 274 unsigned int            numlockmask = 0;
 275
 276 Display                 *display;
 277 xcb_connection_t        *conn;
 278 xcb_key_symbols_t       *syms;
 279
 280 int                     cycle_empty = 0;
 281 int                     cycle_visible = 0;
 282 int                     term_width = 0;
 283 int                     font_adjusted = 0;
 284 unsigned int            mod_key = MODKEY;
 285
 286 /* dmenu search */
 287 struct swm_region       *search_r;
 288 int                     select_list_pipe[2];
 289 int                     select_resp_pipe[2];
 290 pid_t                   searchpid;
 291 volatile sig_atomic_t   search_resp;
 292 int                     search_resp_action;
 293
 294 struct search_window {
 295         TAILQ_ENTRY(search_window)      entry;
 296         int                             idx;
 297         struct ws_win                   *win;
 298         xcb_gcontext_t                  gc;
 299         xcb_window_t                    indicator;
 300 };
 301 TAILQ_HEAD(search_winlist, search_window);
 302 struct search_winlist                   search_wl;
 303
 304 /* search actions */
 305 enum {
 306         SWM_SEARCH_NONE,
 307         SWM_SEARCH_UNICONIFY,
 308         SWM_SEARCH_NAME_WORKSPACE,
 309         SWM_SEARCH_SEARCH_WORKSPACE,
 310         SWM_SEARCH_SEARCH_WINDOW
 311 };
 312
 313 #define SWM_STACK_TOP           (0)
 314 #define SWM_STACK_BOTTOM        (1)
 315 #define SWM_STACK_ABOVE         (2)
 316 #define SWM_STACK_BELOW         (3)
 317
 318 /* dialog windows */
 319 double                  dialog_ratio = 0.6;
 320 /* status bar */
 321 #define SWM_BAR_MAX             (256)
 322 #define SWM_BAR_JUSTIFY_LEFT    (0)
 323 #define SWM_BAR_JUSTIFY_CENTER  (1)
 324 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 325 #define SWM_BAR_OFFSET          (4)
 326 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 327                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 328                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 329                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 330                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 331
 332 char                    *bar_argv[] = { NULL, NULL };
 333 int                     bar_pipe[2];
 334 unsigned char           bar_ext[SWM_BAR_MAX];
 335 char                    bar_vertext[SWM_BAR_MAX];
 336 int                     bar_version = 0;
 337 sig_atomic_t            bar_alarm = 0;
 338 int                     bar_delay = 30;
 339 int                     bar_enabled = 1;
 340 int                     bar_border_width = 1;
 341 int                     bar_at_bottom = 0;
 342 int                     bar_extra = 1;
 343 int                     bar_extra_running = 0;
 344 int                     bar_verbose = 1;
 345 int                     bar_height = 0;
 346 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 347 char                    *bar_format = NULL;
 348 int                     stack_enabled = 1;
 349 int                     clock_enabled = 1;
 350 int                     urgent_enabled = 0;
 351 char                    *clock_format = NULL;
 352 int                     title_name_enabled = 0;
 353 int                     title_class_enabled = 0;
 354 int                     window_name_enabled = 0;
 355 int                     focus_mode = SWM_FOCUS_DEFAULT;
 356 int                     focus_close = SWM_STACK_BELOW;
 357 int                     focus_close_wrap = 1;
 358 int                     focus_default = SWM_STACK_TOP;
 359 int                     spawn_position = SWM_STACK_TOP;
 360 int                     disable_border = 0;
 361 int                     border_width = 1;
 362 int                     verbose_layout = 0;
 363 time_t                  time_started;
 364 pid_t                   bar_pid;
 365 XftFont                 *bar_font;
 366 char                    *bar_fonts;
 367 XftColor                bar_font_color;
 368 struct passwd           *pwd;
 369
 370 /* layout manager data */
 371 struct swm_geometry {
 372         int                     x;
 373         int                     y;
 374         int                     w;
 375         int                     h;
 376 };
 377
 378 struct swm_screen;
 379 struct workspace;
 380
 381 struct swm_bar {
 382         xcb_window_t            id;
 383         xcb_pixmap_t            buffer;
 384         struct swm_geometry     g;
 385 };
 386
 387 /* virtual "screens" */
 388 struct swm_region {
 389         TAILQ_ENTRY(swm_region) entry;
 390         struct swm_geometry     g;
 391         struct workspace        *ws;    /* current workspace on this region */
 392         struct workspace        *ws_prior; /* prior workspace on this region */
 393         struct swm_screen       *s;     /* screen idx */
 394         struct swm_bar          *bar;
 395 };
 396 TAILQ_HEAD(swm_region_list, swm_region);
 397
 398 struct ws_win {
 399         TAILQ_ENTRY(ws_win)     entry;
 400         xcb_window_t            id;
 401         xcb_window_t            transient;
 402         struct ws_win           *child_trans;   /* transient child window */
 403         struct swm_geometry     g;              /* current geometry */
 404         struct swm_geometry     g_float;        /* region coordinates */
 405         int                     g_floatvalid;   /* g_float geometry validity */
 406         int                     floatmaxed;     /* whether maxed by max_stack */
 407         int                     floating;
 408         int                     manual;
 409         int32_t                 iconic;
 410         int                     bordered;
 411         unsigned int            ewmh_flags;
 412         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 413         int                     font_steps;
 414         int                     last_inc;
 415         int                     can_delete;
 416         int                     take_focus;
 417         int                     java;
 418         unsigned long           quirks;
 419         struct workspace        *ws;    /* always valid */
 420         struct swm_screen       *s;     /* always valid, never changes */
 421         xcb_get_geometry_reply_t        *wa;
 422         xcb_size_hints_t        sh;
 423         xcb_icccm_get_wm_class_reply_t  ch;
 424         xcb_icccm_wm_hints_t    hints;
 425 };
 426 TAILQ_HEAD(ws_win_list, ws_win);
 427
 428 /* pid goo */
 429 struct pid_e {
 430         TAILQ_ENTRY(pid_e)      entry;
 431         pid_t                   pid;
 432         int                     ws;
 433 };
 434 TAILQ_HEAD(pid_list, pid_e);
 435 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 436
 437 /* layout handlers */
 438 void    stack(void);
 439 void    vertical_config(struct workspace *, int);
 440 void    vertical_stack(struct workspace *, struct swm_geometry *);
 441 void    horizontal_config(struct workspace *, int);
 442 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 443 void    max_stack(struct workspace *, struct swm_geometry *);
 444 void    plain_stacker(struct workspace *);
 445 void    fancy_stacker(struct workspace *);
 446
 447 struct layout {
 448         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 449         void            (*l_config)(struct workspace *, int);
 450         u_int32_t       flags;
 451 #define SWM_L_FOCUSPREV         (1<<0)
 452 #define SWM_L_MAPONFOCUS        (1<<1)
 453         void            (*l_string)(struct workspace *);
 454 } layouts[] =  {
 455         /* stack,               configure */
 456         { vertical_stack,       vertical_config,        0,      plain_stacker },
 457         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 458         { max_stack,            NULL,
 459           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 460         { NULL,                 NULL,                   0,      NULL  },
 461 };
 462
 463 /* position of max_stack mode in the layouts array, index into layouts! */
 464 #define SWM_V_STACK             (0)
 465 #define SWM_H_STACK             (1)
 466 #define SWM_MAX_STACK           (2)
 467
 468 #define SWM_H_SLICE             (32)
 469 #define SWM_V_SLICE             (32)
 470
 471 /* define work spaces */
 472 struct workspace {
 473         int                     idx;            /* workspace index */
 474         char                    *name;          /* workspace name */
 475         int                     always_raise;   /* raise windows on focus */
 476         struct layout           *cur_layout;    /* current layout handlers */
 477         struct ws_win           *focus;         /* may be NULL */
 478         struct ws_win           *focus_prev;    /* may be NULL */
 479         struct swm_region       *r;             /* may be NULL */
 480         struct swm_region       *old_r;         /* may be NULL */
 481         struct ws_win_list      winlist;        /* list of windows in ws */
 482         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 483         char                    stacker[10];    /* display stacker and layout */
 484
 485         /* stacker state */
 486         struct {
 487                                 int horizontal_msize;
 488                                 int horizontal_mwin;
 489                                 int horizontal_stacks;
 490                                 int horizontal_flip;
 491                                 int vertical_msize;
 492                                 int vertical_mwin;
 493                                 int vertical_stacks;
 494                                 int vertical_flip;
 495         } l_state;
 496 };
 497
 498 enum {
 499         SWM_S_COLOR_BAR,
 500         SWM_S_COLOR_BAR_BORDER,
 501         SWM_S_COLOR_BAR_FONT,
 502         SWM_S_COLOR_FOCUS,
 503         SWM_S_COLOR_UNFOCUS,
 504         SWM_S_COLOR_MAX
 505 };
 506
 507 /* physical screen mapping */
 508 #define SWM_WS_MAX              (22)    /* hard limit */
 509 int             workspace_limit = 10;   /* soft limit */
 510
 511 struct swm_screen {
 512         int                     idx;    /* screen index */
 513         struct swm_region_list  rl;     /* list of regions on this screen */
 514         struct swm_region_list  orl;    /* list of old regions */
 515         xcb_window_t            root;
 516         struct workspace        ws[SWM_WS_MAX];
 517
 518         /* colors */
 519         struct {
 520                 uint32_t        pixel;
 521                 char            *name;
 522         } c[SWM_S_COLOR_MAX];
 523
 524         xcb_gcontext_t          bar_gc;
 525 };
 526 struct swm_screen       *screens;
 527
 528 /* args to functions */
 529 union arg {
 530         int                     id;
 531 #define SWM_ARG_ID_FOCUSNEXT    (0)
 532 #define SWM_ARG_ID_FOCUSPREV    (1)
 533 #define SWM_ARG_ID_FOCUSMAIN    (2)
 534 #define SWM_ARG_ID_FOCUSCUR     (4)
 535 #define SWM_ARG_ID_SWAPNEXT     (10)
 536 #define SWM_ARG_ID_SWAPPREV     (11)
 537 #define SWM_ARG_ID_SWAPMAIN     (12)
 538 #define SWM_ARG_ID_MOVELAST     (13)
 539 #define SWM_ARG_ID_MASTERSHRINK (20)
 540 #define SWM_ARG_ID_MASTERGROW   (21)
 541 #define SWM_ARG_ID_MASTERADD    (22)
 542 #define SWM_ARG_ID_MASTERDEL    (23)
 543 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 544 #define SWM_ARG_ID_STACKRESET   (30)
 545 #define SWM_ARG_ID_STACKINIT    (31)
 546 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 547 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 548 #define SWM_ARG_ID_CYCLESC_UP   (42)
 549 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 550 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 551 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 552 #define SWM_ARG_ID_STACKINC     (50)
 553 #define SWM_ARG_ID_STACKDEC     (51)
 554 #define SWM_ARG_ID_SS_ALL       (60)
 555 #define SWM_ARG_ID_SS_WINDOW    (61)
 556 #define SWM_ARG_ID_DONTCENTER   (70)
 557 #define SWM_ARG_ID_CENTER       (71)
 558 #define SWM_ARG_ID_KILLWINDOW   (80)
 559 #define SWM_ARG_ID_DELETEWINDOW (81)
 560 #define SWM_ARG_ID_WIDTHGROW    (90)
 561 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 562 #define SWM_ARG_ID_HEIGHTGROW   (92)
 563 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 564 #define SWM_ARG_ID_MOVEUP       (100)
 565 #define SWM_ARG_ID_MOVEDOWN     (101)
 566 #define SWM_ARG_ID_MOVELEFT     (102)
 567 #define SWM_ARG_ID_MOVERIGHT    (103)
 568         char                    **argv;
 569 };
 570
 571 /* quirks */
 572 struct quirk {
 573         TAILQ_ENTRY(quirk)      entry;
 574         char                    *class;
 575         char                    *name;
 576         unsigned long           quirk;
 577 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 578 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 579 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 580 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 581 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 582 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 583 };
 584 TAILQ_HEAD(quirk_list, quirk);
 585 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 586
 587 /*
 588  * Supported EWMH hints should be added to
 589  * both the enum and the ewmh array
 590  */
 591 enum {
 592         _NET_ACTIVE_WINDOW,
 593         _NET_CLOSE_WINDOW,
 594         _NET_MOVERESIZE_WINDOW,
 595         _NET_WM_ACTION_CLOSE,
 596         _NET_WM_ACTION_FULLSCREEN,
 597         _NET_WM_ACTION_MOVE,
 598         _NET_WM_ACTION_RESIZE,
 599         _NET_WM_ALLOWED_ACTIONS,
 600         _NET_WM_STATE,
 601         _NET_WM_STATE_ABOVE,
 602         _NET_WM_STATE_FULLSCREEN,
 603         _NET_WM_STATE_HIDDEN,
 604         _NET_WM_STATE_MAXIMIZED_HORZ,
 605         _NET_WM_STATE_MAXIMIZED_VERT,
 606         _NET_WM_STATE_SKIP_PAGER,
 607         _NET_WM_STATE_SKIP_TASKBAR,
 608         _NET_WM_WINDOW_TYPE,
 609         _NET_WM_WINDOW_TYPE_DIALOG,
 610         _NET_WM_WINDOW_TYPE_DOCK,
 611         _NET_WM_WINDOW_TYPE_NORMAL,
 612         _NET_WM_WINDOW_TYPE_SPLASH,
 613         _NET_WM_WINDOW_TYPE_TOOLBAR,
 614         _NET_WM_WINDOW_TYPE_UTILITY,
 615         _SWM_WM_STATE_MANUAL,
 616         SWM_EWMH_HINT_MAX
 617 };
 618
 619 struct ewmh_hint {
 620         char            *name;
 621         xcb_atom_t      atom;
 622 } ewmh[SWM_EWMH_HINT_MAX] =     {
 623     /* must be in same order as in the enum */
 624     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 625     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 626     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 627     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 628     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 629     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 630     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 631     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 632     {"_NET_WM_STATE", XCB_ATOM_NONE},
 633     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 634     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 635     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 636     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 637     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 638     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 639     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 640     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 641     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 642     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 643     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 644     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 645     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 646     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 647     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 648 };
 649
 650 /* function prototypes */
 651 void     buttonpress(xcb_button_press_event_t *);
 652 void     clientmessage(xcb_client_message_event_t *);
 653 int      conf_load(char *, int);
 654 void     configurenotify(xcb_configure_notify_event_t *);
 655 void     configurerequest(xcb_configure_request_event_t *);
 656 void     constrain_window(struct ws_win *, struct swm_region *, int);
 657 void     destroynotify(xcb_destroy_notify_event_t *);
 658 void     do_sync(void);
 659 void     enternotify(xcb_enter_notify_event_t *);
 660 void     event_error(xcb_generic_error_t *);
 661 void     event_handle(xcb_generic_event_t *);
 662 char    *expand_tilde(char *);
 663 void     expose(xcb_expose_event_t *);
 664 struct ws_win   *find_window(xcb_window_t);
 665 int      floating_toggle_win(struct ws_win *);
 666 void     focus(struct swm_region *, union arg *);
 667 void     focus_magic(struct ws_win *);
 668 #ifdef SWM_DEBUG
 669 void     focusin(xcb_focus_in_event_t *);
 670 #endif
 671 xcb_atom_t get_atom_from_string(const char *);
 672 #ifdef SWM_DEBUG
 673 char    *get_atom_name(xcb_atom_t);
 674 char    *get_notify_detail_label(uint8_t);
 675 char    *get_notify_mode_label(uint8_t);
 676 #endif
 677 xcb_screen_t    *get_screen(int);
 678 char    *get_win_name(xcb_window_t);
 679 uint32_t getstate(xcb_window_t);
 680 void     grabbuttons(struct ws_win *, int);
 681 void     keypress(xcb_key_press_event_t *);
 682 #ifdef SWM_DEBUG
 683 void     leavenotify(xcb_leave_notify_event_t *);
 684 #endif
 685 void     map_window_raised(xcb_window_t);
 686 void     mapnotify(xcb_map_notify_event_t *);
 687 void     mappingnotify(xcb_mapping_notify_event_t *);
 688 void     maprequest(xcb_map_request_event_t *);
 689 void     new_region(struct swm_screen *, int, int, int, int);
 690 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 691 void     propertynotify(xcb_property_notify_event_t *);
 692 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 693 void     screenchange(xcb_randr_screen_change_notify_event_t *);
 694 void     store_float_geom(struct ws_win *, struct swm_region *);
 695 void     unmanage_window(struct ws_win *);
 696 void     unmapnotify(xcb_unmap_notify_event_t *);
 697 void     update_window(struct ws_win *);
 698 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
 699
 700 char *
 701 expand_tilde(char *s)
 702 {
 703         struct passwd           *pwd;
 704         int                     i;
 705         char                    user[LOGIN_NAME_MAX];
 706         const char              *sc = s;
 707         char                    *result;
 708
 709         if (s == NULL)
 710                 errx(1, "expand_tilde: NULL string.");
 711
 712         if (s[0] != '~') {
 713                 result = strdup(sc);
 714                 goto out;
 715         }
 716
 717         ++s;
 718         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
 719                 user[i] = s[i];
 720         user[i] = '\0';
 721         s = &s[i];
 722
 723         pwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
 724         if (pwd == NULL)
 725                 result = strdup(sc);
 726         else
 727                 if (asprintf(&result, "%s%s", pwd->pw_dir, s) == -1)
 728                         result = NULL;
 729 out:
 730         if (result == NULL)
 731                 errx(1, "expand_tilde: failed to allocate memory.");
 732
 733         return result;
 734 }
 735
 736 int
 737 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 738 {
 739         unsigned int    tmpr, tmpg, tmpb;
 740
 741         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 742                 return (-1);
 743
 744         *rr = RGB_8_TO_16(tmpr);
 745         *gg = RGB_8_TO_16(tmpg);
 746         *bb = RGB_8_TO_16(tmpb);
 747
 748         return (0);
 749 }
 750
 751 xcb_screen_t *
 752 get_screen(int screen)
 753 {
 754         xcb_screen_iterator_t i;
 755
 756         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 757         for (; i.rem; --screen, xcb_screen_next(&i))
 758                 if (screen == 0)
 759                         return (i.data);
 760
 761         return (NULL);
 762 }
 763
 764 void
 765 do_sync(void)
 766 {
 767         xcb_get_input_focus_cookie_t    c;
 768         xcb_get_input_focus_reply_t     *r;
 769
 770         /* mimic XSync() */
 771         c = xcb_get_input_focus(conn);
 772         xcb_flush(conn);
 773         r = xcb_get_input_focus_reply(conn, c, NULL);
 774         if (r)
 775                 free(r);
 776 }
 777
 778 void
 779 map_window_raised(xcb_window_t win)
 780 {
 781         uint32_t        val = XCB_STACK_MODE_ABOVE;
 782
 783         xcb_configure_window(conn, win,
 784             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 785
 786         xcb_map_window(conn, win);
 787 }
 788
 789 xcb_atom_t
 790 get_atom_from_string(const char *str)
 791 {
 792         xcb_intern_atom_cookie_t        c;
 793         xcb_intern_atom_reply_t         *r;
 794         xcb_atom_t                      atom;
 795
 796         c = xcb_intern_atom(conn, 0, strlen(str), str);
 797         r = xcb_intern_atom_reply(conn, c, NULL);
 798         if (r) {
 799                 atom = r->atom;
 800                 free(r);
 801
 802                 return (atom);
 803         }
 804
 805         return (XCB_ATOM_NONE);
 806 }
 807
 808 void
 809 update_iconic(struct ws_win *win, int newv)
 810 {
 811         int32_t                         v = newv;
 812
 813         win->iconic = newv;
 814
 815         if (newv)
 816                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 817                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
 818         else
 819                 xcb_delete_property(conn, win->id, a_swm_iconic);
 820 }
 821
 822 int32_t
 823 get_iconic(struct ws_win *win)
 824 {
 825         int32_t                         v = 0;
 826         xcb_get_property_reply_t        *pr = NULL;
 827
 828
 829         pr = xcb_get_property_reply(conn,
 830             xcb_get_property(conn, 0, win->id, a_swm_iconic,
 831             XCB_ATOM_INTEGER, 0, 1), NULL);
 832         if (!pr)
 833                 goto out;
 834         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 835                 goto out;
 836         v = *((int32_t *)xcb_get_property_value(pr));
 837 out:
 838         if (pr)
 839                 free(pr);
 840         return (v);
 841 }
 842
 843 void
 844 setup_ewmh(void)
 845 {
 846         xcb_atom_t                      sup_list;
 847         int                             i, j, num_screens;
 848
 849         sup_list = get_atom_from_string("_NET_SUPPORTED");
 850
 851         for (i = 0; i < LENGTH(ewmh); i++)
 852                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 853
 854         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 855         for (i = 0; i < num_screens; i++) {
 856                 /* Support check window will be created by workaround(). */
 857
 858                 /* Report supported atoms */
 859                 xcb_delete_property(conn, screens[i].root, sup_list);
 860                 for (j = 0; j < LENGTH(ewmh); j++)
 861                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 862                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 863                             &ewmh[j].atom);
 864         }
 865 }
 866
 867 void
 868 teardown_ewmh(void)
 869 {
 870         int                             i, num_screens;
 871         xcb_atom_t                      sup_check, sup_list;
 872         xcb_window_t                    id;
 873         xcb_get_property_cookie_t       pc;
 874         xcb_get_property_reply_t        *pr;
 875
 876         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 877         sup_list = get_atom_from_string("_NET_SUPPORTED");
 878         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 879
 880         for (i = 0; i < num_screens; i++) {
 881                 /* Get the support check window and destroy it */
 882                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
 883                     XCB_ATOM_WINDOW, 0, 1);
 884                 pr = xcb_get_property_reply(conn, pc, NULL);
 885                 if (!pr)
 886                         continue;
 887                 if (pr->format == sup_check) {
 888                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 889
 890                         xcb_destroy_window(conn, id);
 891                         xcb_delete_property(conn, screens[i].root, sup_check);
 892                         xcb_delete_property(conn, screens[i].root, sup_list);
 893                 }
 894                 free(pr);
 895         }
 896 }
 897
 898 void
 899 ewmh_autoquirk(struct ws_win *win)
 900 {
 901         uint32_t                i, n;
 902         xcb_atom_t              *type;
 903         xcb_get_property_cookie_t       c;
 904         xcb_get_property_reply_t        *r;
 905
 906         c = xcb_get_property(conn, 0, win->id,
 907             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 908         r = xcb_get_property_reply(conn, c, NULL);
 909         if (!r)
 910                 return;
 911
 912         n = xcb_get_property_value_length(r);
 913         type = xcb_get_property_value(r);
 914
 915         for (i = 0; i < n; i++) {
 916                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 917                         break;
 918                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 919                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 920                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 921                         win->floating = 1;
 922                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 923                         break;
 924                 }
 925                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 926                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 927                         win->floating = 1;
 928                         win->quirks = SWM_Q_FLOAT;
 929                         break;
 930                 }
 931         }
 932         free(r);
 933 }
 934
 935 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 936 #define EWMH_F_FULLSCREEN               (1<<0)
 937 #define EWMH_F_ABOVE                    (1<<1)
 938 #define EWMH_F_HIDDEN                   (1<<2)
 939 #define EWMH_F_SKIP_PAGER               (1<<3)
 940 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 941 #define SWM_F_MANUAL                    (1<<5)
 942
 943 int
 944 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 945 {
 946         if (!win->ws->r)
 947                 return (0);
 948
 949         if (!win->floating)
 950                 return (0);
 951
 952         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 953             "fullscreen %s\n", win->id, YESNO(fs));
 954
 955         if (fs) {
 956                 if (!win->g_floatvalid)
 957                         store_float_geom(win, win->ws->r);
 958
 959                 win->g = win->ws->r->g;
 960                 win->bordered = 0;
 961         } else {
 962                 if (win->g_floatvalid) {
 963                         /* refloat at last floating relative position */
 964                         win->g = win->g_float;
 965                         X(win) += X(win->ws->r);
 966                         Y(win) += Y(win->ws->r);
 967                 }
 968         }
 969
 970         return (1);
 971 }
 972
 973 void
 974 ewmh_update_actions(struct ws_win *win)
 975 {
 976         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 977         int                     n = 0;
 978
 979         if (win == NULL)
 980                 return;
 981
 982         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 983
 984         if (win->floating) {
 985                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 986                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 987         }
 988
 989         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 990             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
 991 }
 992
 993 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 994 #define _NET_WM_STATE_ADD       1    /* add/set property */
 995 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 996
 997 void
 998 ewmh_update_win_state(struct ws_win *win, long state, long action)
 999 {
1000         unsigned int            mask = 0;
1001         unsigned int            changed = 0;
1002         unsigned int            orig_flags;
1003
1004         if (win == NULL)
1005                 return;
1006
1007         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1008             "action: %ld\n", win->id, state, action);
1009
1010         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1011                 mask = EWMH_F_FULLSCREEN;
1012         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1013                 mask = EWMH_F_ABOVE;
1014         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1015                 mask = SWM_F_MANUAL;
1016         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1017                 mask = EWMH_F_SKIP_PAGER;
1018         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1019                 mask = EWMH_F_SKIP_TASKBAR;
1020
1021
1022         orig_flags = win->ewmh_flags;
1023
1024         switch (action) {
1025         case _NET_WM_STATE_REMOVE:
1026                 win->ewmh_flags &= ~mask;
1027                 break;
1028         case _NET_WM_STATE_ADD:
1029                 win->ewmh_flags |= mask;
1030                 break;
1031         case _NET_WM_STATE_TOGGLE:
1032                 win->ewmh_flags ^= mask;
1033                 break;
1034         }
1035
1036         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1037
1038         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1039                 if (changed)
1040                         if (!floating_toggle_win(win))
1041                                 win->ewmh_flags = orig_flags; /* revert */
1042         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1043                 if (changed)
1044                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1045         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1046                 if (changed)
1047                         if (!ewmh_set_win_fullscreen(win,
1048                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1049                                 win->ewmh_flags = orig_flags; /* revert */
1050
1051         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1052
1053         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1054                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1055                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1056                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1057         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1058                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1059                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1060                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1061         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1062                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1063                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1064                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1065         if (win->ewmh_flags & EWMH_F_ABOVE)
1066                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1067                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1068                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1069         if (win->ewmh_flags & SWM_F_MANUAL)
1070                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1071                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1072                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1073 }
1074
1075 void
1076 ewmh_get_win_state(struct ws_win *win)
1077 {
1078         xcb_atom_t                      *states;
1079         xcb_get_property_cookie_t       c;
1080         xcb_get_property_reply_t        *r;
1081         int                             i, n;
1082
1083         if (win == NULL)
1084                 return;
1085
1086         win->ewmh_flags = 0;
1087         if (win->floating)
1088                 win->ewmh_flags |= EWMH_F_ABOVE;
1089         if (win->manual)
1090                 win->ewmh_flags |= SWM_F_MANUAL;
1091
1092         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1093             XCB_ATOM_ATOM, 0, UINT32_MAX);
1094         r = xcb_get_property_reply(conn, c, NULL);
1095         if (!r)
1096                 return;
1097
1098         states = xcb_get_property_value(r);
1099         n = xcb_get_property_value_length(r);
1100
1101         for (i = 0; i < n; i++)
1102                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1103
1104         free(r);
1105 }
1106
1107 /* events */
1108 #ifdef SWM_DEBUG
1109 void
1110 dumpwins(struct swm_region *r, union arg *args)
1111 {
1112         struct ws_win                           *win;
1113         uint32_t                                state;
1114         xcb_get_window_attributes_cookie_t      c;
1115         xcb_get_window_attributes_reply_t       *wa;
1116
1117         /* suppress unused warning since var is needed */
1118         (void)args;
1119
1120         if (r->ws == NULL) {
1121                 warnx("dumpwins: invalid workspace");
1122                 return;
1123         }
1124
1125         warnx("=== managed window list ws %02d ===", r->ws->idx);
1126         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1127                 state = getstate(win->id);
1128                 c = xcb_get_window_attributes(conn, win->id);
1129                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1130                 if (wa) {
1131                         warnx("window: 0x%x, map_state: %d, state: %u, "
1132                             "transient: 0x%x", win->id, wa->map_state,
1133                             state, win->transient);
1134                         free(wa);
1135                 } else
1136                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1137                             win->id);
1138         }
1139
1140         warnx("===== unmanaged window list =====");
1141         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1142                 state = getstate(win->id);
1143                 c = xcb_get_window_attributes(conn, win->id);
1144                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1145                 if (wa) {
1146                         warnx("window: 0x%x, map_state: %d, state: %u, "
1147                             "transient: 0x%x", win->id, wa->map_state,
1148                             state, win->transient);
1149                         free(wa);
1150                 } else
1151                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1152                             win->id);
1153         }
1154
1155         warnx("=================================");
1156 }
1157 #else
1158 void
1159 dumpwins(struct swm_region *r, union arg *args)
1160 {
1161 }
1162 #endif /* SWM_DEBUG */
1163
1164 void
1165 sighdlr(int sig)
1166 {
1167         int                     saved_errno, status;
1168         pid_t                   pid;
1169
1170         saved_errno = errno;
1171
1172         switch (sig) {
1173         case SIGCHLD:
1174                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1175                         if (pid == -1) {
1176                                 if (errno == EINTR)
1177                                         continue;
1178 #ifdef SWM_DEBUG
1179                                 if (errno != ECHILD)
1180                                         warn("sighdlr: waitpid");
1181 #endif /* SWM_DEBUG */
1182                                 break;
1183                         }
1184                         if (pid == searchpid)
1185                                 search_resp = 1;
1186
1187 #ifdef SWM_DEBUG
1188                         if (WIFEXITED(status)) {
1189                                 if (WEXITSTATUS(status) != 0)
1190                                         warnx("sighdlr: child exit status: %d",
1191                                             WEXITSTATUS(status));
1192                         } else
1193                                 warnx("sighdlr: child is terminated "
1194                                     "abnormally");
1195 #endif /* SWM_DEBUG */
1196                 }
1197                 break;
1198
1199         case SIGHUP:
1200                 restart_wm = 1;
1201                 break;
1202         case SIGINT:
1203         case SIGTERM:
1204         case SIGQUIT:
1205                 running = 0;
1206                 break;
1207         }
1208
1209         errno = saved_errno;
1210 }
1211
1212 struct pid_e *
1213 find_pid(pid_t pid)
1214 {
1215         struct pid_e            *p = NULL;
1216
1217         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1218
1219         if (pid == 0)
1220                 return (NULL);
1221
1222         TAILQ_FOREACH(p, &pidlist, entry) {
1223                 if (p->pid == pid)
1224                         return (p);
1225         }
1226
1227         return (NULL);
1228 }
1229
1230 uint32_t
1231 name_to_pixel(const char *colorname)
1232 {
1233         uint32_t                        result = 0;
1234         char                            cname[32] = "#";
1235         xcb_screen_t                    *screen;
1236         xcb_colormap_t                  cmap;
1237         xcb_alloc_color_reply_t         *cr;
1238         xcb_alloc_named_color_reply_t   *nr;
1239         uint16_t                        rr, gg, bb;
1240
1241         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1242         cmap = screen->default_colormap;
1243
1244         /* color is in format rgb://rr/gg/bb */
1245         if (strncmp(colorname, "rgb:", 4) == 0) {
1246                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1247                         warnx("could not parse rgb %s", colorname);
1248                 else {
1249                         cr = xcb_alloc_color_reply(conn,
1250                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1251                             NULL);
1252                         if (cr) {
1253                                 result = cr->pixel;
1254                                 free(cr);
1255                         } else
1256                                 warnx("color '%s' not found", colorname);
1257                 }
1258         } else {
1259                 nr = xcb_alloc_named_color_reply(conn,
1260                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1261                             colorname), NULL);
1262                 if (!nr) {
1263                         strlcat(cname, colorname + 2, sizeof cname - 1);
1264                         nr = xcb_alloc_named_color_reply(conn,
1265                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1266                             cname), NULL);
1267                 }
1268                 if (nr) {
1269                         result = nr->pixel;
1270                         free(nr);
1271                 } else
1272                         warnx("color '%s' not found", colorname);
1273         }
1274
1275         return (result);
1276 }
1277
1278 void
1279 setscreencolor(char *val, int i, int c)
1280 {
1281         int     num_screens;
1282
1283         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1284         if (i > 0 && i <= num_screens) {
1285                 screens[i - 1].c[c].pixel = name_to_pixel(val);
1286                 free(screens[i - 1].c[c].name);
1287                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1288                         err(1, "strdup");
1289         } else if (i == -1) {
1290                 for (i = 0; i < num_screens; i++) {
1291                         screens[i].c[c].pixel = name_to_pixel(val);
1292                         free(screens[i].c[c].name);
1293                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1294                                 err(1, "strdup");
1295                 }
1296         } else
1297                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1298                     i, num_screens);
1299 }
1300
1301 void
1302 fancy_stacker(struct workspace *ws)
1303 {
1304         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1305         if (ws->cur_layout->l_stack == vertical_stack)
1306                 snprintf(ws->stacker, sizeof ws->stacker,
1307                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1308                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1309         if (ws->cur_layout->l_stack == horizontal_stack)
1310                 snprintf(ws->stacker, sizeof ws->stacker,
1311                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1312                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1313 }
1314
1315 void
1316 plain_stacker(struct workspace *ws)
1317 {
1318         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1319         if (ws->cur_layout->l_stack == vertical_stack)
1320                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1321                     sizeof ws->stacker);
1322         if (ws->cur_layout->l_stack == horizontal_stack)
1323                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1324                     sizeof ws->stacker);
1325 }
1326
1327 void
1328 custom_region(char *val)
1329 {
1330         unsigned int                    x, y, w, h;
1331         int                             sidx, num_screens;
1332         xcb_screen_t                    *screen;
1333
1334         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1335         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1336                 errx(1, "invalid custom region, "
1337                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1338         if (sidx < 1 || sidx > num_screens)
1339                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1340                     sidx, num_screens);
1341         sidx--;
1342
1343         screen = get_screen(sidx);
1344         if (w < 1 || h < 1)
1345                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1346
1347         if (x > screen->width_in_pixels ||
1348             y > screen->height_in_pixels ||
1349             w + x > screen->width_in_pixels ||
1350             h + y > screen->height_in_pixels) {
1351                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1352                     "boundaries (%ux%u)", w, h, x, y,
1353                     screen->width_in_pixels, screen->height_in_pixels);
1354                 return;
1355         }
1356
1357         new_region(&screens[sidx], x, y, w, h);
1358 }
1359
1360 void
1361 socket_setnonblock(int fd)
1362 {
1363         int                     flags;
1364
1365         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1366                 err(1, "fcntl F_GETFL");
1367         flags |= O_NONBLOCK;
1368         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1369                 err(1, "fcntl F_SETFL");
1370 }
1371
1372 void
1373 bar_print(struct swm_region *r, const char *s)
1374 {
1375         size_t                          len;
1376         xcb_rectangle_t                 rect;
1377         uint32_t                        gcv[1];
1378         int32_t                         x = 0;
1379         XGlyphInfo                      info;
1380         XftDraw                         *draw;
1381
1382         len = strlen(s);
1383
1384         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1385
1386         switch (bar_justify) {
1387         case SWM_BAR_JUSTIFY_LEFT:
1388                 x = SWM_BAR_OFFSET;
1389                 break;
1390         case SWM_BAR_JUSTIFY_CENTER:
1391                 x = (WIDTH(r) - info.width) / 2;
1392                 break;
1393         case SWM_BAR_JUSTIFY_RIGHT:
1394                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1395                 break;
1396         }
1397
1398         if (x < SWM_BAR_OFFSET)
1399                 x = SWM_BAR_OFFSET;
1400
1401         rect.x = 0;
1402         rect.y = 0;
1403         rect.width = WIDTH(r->bar);
1404         rect.height = HEIGHT(r->bar);
1405
1406         /* clear back buffer */
1407         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1408         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1409         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1410             sizeof(rect), &rect);
1411
1412         /* draw back buffer */
1413         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1414         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_BACKGROUND, gcv);
1415         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].pixel;
1416         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1417
1418         draw = XftDrawCreate(display, r->bar->buffer,
1419             DefaultVisual(display, r->s->idx),
1420             DefaultColormap(display, r->s->idx));
1421
1422         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1423             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1424             (FcChar8 *)s, len);
1425
1426         XftDrawDestroy(draw);
1427
1428         /* blt */
1429         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1430             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1431 }
1432
1433 void
1434 bar_extra_stop(void)
1435 {
1436         if (bar_pipe[0]) {
1437                 close(bar_pipe[0]);
1438                 bzero(bar_pipe, sizeof bar_pipe);
1439         }
1440         if (bar_pid) {
1441                 kill(bar_pid, SIGTERM);
1442                 bar_pid = 0;
1443         }
1444         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1445         bar_extra = 0;
1446 }
1447
1448 void
1449 bar_class_name(char *s, size_t sz, struct swm_region *r)
1450 {
1451         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1452                 return;
1453         if (r->ws->focus->ch.class_name != NULL)
1454                 strlcat(s, r->ws->focus->ch.class_name, sz);
1455 }
1456
1457 void
1458 bar_title_name(char *s, size_t sz, struct swm_region *r)
1459 {
1460         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1461                 return;
1462         if (r->ws->focus->ch.instance_name != NULL)
1463                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1464 }
1465
1466 void
1467 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1468 {
1469         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1470                 return;
1471
1472         bar_class_name(s, sz, r);
1473         strlcat(s, ":", sz);
1474         bar_title_name(s, sz, r);
1475 }
1476
1477 void
1478 bar_window_float(char *s, size_t sz, struct swm_region *r)
1479 {
1480         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1481                 return;
1482         if (r->ws->focus->floating)
1483                 strlcat(s, "(f)", sz);
1484 }
1485
1486 void
1487 bar_window_name(char *s, size_t sz, struct swm_region *r)
1488 {
1489         char            *title;
1490
1491         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1492                 return;
1493         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1494                 return;
1495
1496         strlcat(s, title, sz);
1497         free(title);
1498 }
1499
1500 int             urgent[SWM_WS_MAX];
1501 void
1502 bar_urgent(char *s, size_t sz)
1503 {
1504         struct ws_win           *win;
1505         int                     i, j, num_screens;
1506         char                    b[8];
1507         xcb_get_property_cookie_t       c;
1508         xcb_icccm_wm_hints_t    hints;
1509
1510         for (i = 0; i < workspace_limit; i++)
1511                 urgent[i] = 0;
1512
1513         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1514         for (i = 0; i < num_screens; i++)
1515                 for (j = 0; j < workspace_limit; j++)
1516                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1517                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1518                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1519                                     &hints, NULL) == 0)
1520                                         continue;
1521                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1522                                         urgent[j] = 1;
1523                         }
1524
1525         for (i = 0; i < workspace_limit; i++) {
1526                 if (urgent[i])
1527                         snprintf(b, sizeof b, "%d ", i + 1);
1528                 else
1529                         snprintf(b, sizeof b, "- ");
1530                 strlcat(s, b, sz);
1531         }
1532 }
1533
1534 void
1535 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1536 {
1537         if (r == NULL || r->ws == NULL)
1538                 return;
1539         if (r->ws->name != NULL)
1540                 strlcat(s, r->ws->name, sz);
1541 }
1542
1543 /* build the default bar format according to the defined enabled options */
1544 void
1545 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1546 {
1547         /* if format provided, just copy the buffers */
1548         if (bar_format != NULL) {
1549                 strlcpy(fmtnew, fmtexp, sz);
1550                 return;
1551         }
1552
1553         /* reset the output buffer */
1554         *fmtnew = '\0';
1555
1556         strlcat(fmtnew, "+N:+I ", sz);
1557         if (stack_enabled)
1558                 strlcat(fmtnew, "+S", sz);
1559         strlcat(fmtnew, " ", sz);
1560
1561         /* only show the workspace name if there's actually one */
1562         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1563                 strlcat(fmtnew, "<+D>", sz);
1564         strlcat(fmtnew, "+3<", sz);
1565
1566         if (clock_enabled) {
1567                 strlcat(fmtnew, fmtexp, sz);
1568                 strlcat(fmtnew, "+4<", sz);
1569         }
1570
1571         /* bar_urgent already adds the space before the last asterisk */
1572         if (urgent_enabled)
1573                 strlcat(fmtnew, "* +U*+4<", sz);
1574
1575         if (title_class_enabled) {
1576                 strlcat(fmtnew, "+C", sz);
1577                 if (title_name_enabled == 0)
1578                         strlcat(fmtnew, "+4<", sz);
1579         }
1580
1581         /* checks needed by the colon and floating strlcat(3) calls below */
1582         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1583                 if (title_name_enabled) {
1584                         if (title_class_enabled)
1585                                 strlcat(fmtnew, ":", sz);
1586                         strlcat(fmtnew, "+T+4<", sz);
1587                 }
1588                 if (window_name_enabled) {
1589                         if (r->ws->focus->floating)
1590                                 strlcat(fmtnew, "+F ", sz);
1591                         strlcat(fmtnew, "+64W ", sz);
1592                 }
1593         }
1594
1595         /* finally add the action script output and the version */
1596         strlcat(fmtnew, "+4<+A+4<+V", sz);
1597 }
1598
1599 void
1600 bar_replace_pad(char *tmp, int *limit, size_t sz)
1601 {
1602         /* special case; no limit given, pad one space, instead */
1603         if (*limit == (int)sz - 1)
1604                 *limit = 1;
1605         snprintf(tmp, sz, "%*s", *limit, " ");
1606 }
1607
1608 /* replaces the bar format character sequences (like in tmux(1)) */
1609 char *
1610 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1611     size_t sz)
1612 {
1613         char                    *ptr;
1614         char                    tmp[SWM_BAR_MAX];
1615         int                     limit, size;
1616         size_t                  len;
1617
1618         /* reset strlcat(3) buffer */
1619         *tmp = '\0';
1620
1621         /* get number, if any */
1622         fmt++;
1623         size = 0;
1624         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1625                 limit = sizeof tmp - 1;
1626         if (limit <= 0 || limit >= (int)sizeof tmp)
1627                 limit = sizeof tmp - 1;
1628
1629         /* there is nothing to replace (ie EOL) */
1630         fmt += size;
1631         if (*fmt == '\0')
1632                 return (fmt);
1633
1634         switch (*fmt) {
1635         case '<':
1636                 bar_replace_pad(tmp, &limit, sizeof tmp);
1637                 break;
1638         case 'A':
1639                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1640                 break;
1641         case 'C':
1642                 bar_class_name(tmp, sizeof tmp, r);
1643                 break;
1644         case 'D':
1645                 bar_workspace_name(tmp, sizeof tmp, r);
1646                 break;
1647         case 'F':
1648                 bar_window_float(tmp, sizeof tmp, r);
1649                 break;
1650         case 'I':
1651                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1652                 break;
1653         case 'N':
1654                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1655                 break;
1656         case 'P':
1657                 bar_class_title_name(tmp, sizeof tmp, r);
1658                 break;
1659         case 'S':
1660                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1661                 break;
1662         case 'T':
1663                 bar_title_name(tmp, sizeof tmp, r);
1664                 break;
1665         case 'U':
1666                 bar_urgent(tmp, sizeof tmp);
1667                 break;
1668         case 'V':
1669                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1670                 break;
1671         case 'W':
1672                 bar_window_name(tmp, sizeof tmp, r);
1673                 break;
1674         default:
1675                 /* unknown character sequence; copy as-is */
1676                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1677                 break;
1678         }
1679
1680         len = strlen(tmp);
1681         ptr = tmp;
1682         if ((int)len < limit)
1683                 limit = len;
1684         while (limit-- > 0) {
1685                 if (*offrep >= sz - 1)
1686                         break;
1687                 fmtrep[(*offrep)++] = *ptr++;
1688         }
1689
1690         fmt++;
1691         return (fmt);
1692 }
1693
1694 void
1695 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1696 {
1697         size_t                  off;
1698
1699         off = 0;
1700         while (*fmt != '\0') {
1701                 if (*fmt != '+') {
1702                         /* skip ordinary characters */
1703                         if (off >= sz - 1)
1704                                 break;
1705                         fmtrep[off++] = *fmt++;
1706                         continue;
1707                 }
1708
1709                 /* character sequence found; replace it */
1710                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1711                 if (off >= sz - 1)
1712                         break;
1713         }
1714
1715         fmtrep[off] = '\0';
1716 }
1717
1718 void
1719 bar_fmt_expand(char *fmtexp, size_t sz)
1720 {
1721         char                    *fmt = NULL;
1722         size_t                  len;
1723         struct tm               tm;
1724         time_t                  tmt;
1725
1726         /* start by grabbing the current time and date */
1727         time(&tmt);
1728         localtime_r(&tmt, &tm);
1729
1730         /* figure out what to expand */
1731         if (bar_format != NULL)
1732                 fmt = bar_format;
1733         else if (bar_format == NULL && clock_enabled)
1734                 fmt = clock_format;
1735         /* if nothing to expand bail out */
1736         if (fmt == NULL) {
1737                 *fmtexp = '\0';
1738                 return;
1739         }
1740
1741         /* copy as-is, just in case the format shouldn't be expanded below */
1742         strlcpy(fmtexp, fmt, sz);
1743         /* finally pass the string through strftime(3) */
1744 #ifndef SWM_DENY_CLOCK_FORMAT
1745         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1746                 warnx("format too long");
1747         fmtexp[len] = '\0';
1748 #endif
1749 }
1750
1751 void
1752 bar_fmt_print(void)
1753 {
1754         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1755         char                    fmtrep[SWM_BAR_MAX];
1756         int                     i, num_screens;
1757         struct swm_region       *r;
1758
1759         /* expand the format by first passing it through strftime(3) */
1760         bar_fmt_expand(fmtexp, sizeof fmtexp);
1761
1762         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1763         for (i = 0; i < num_screens; i++) {
1764                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1765                         if (r->bar == NULL)
1766                                 continue;
1767                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1768                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1769                         bar_print(r, fmtrep);
1770                 }
1771         }
1772 }
1773
1774 void
1775 bar_update(void)
1776 {
1777         size_t                  len;
1778         char                    *b;
1779
1780         if (bar_enabled == 0)
1781                 return;
1782         if (bar_extra && bar_extra_running) {
1783                 /* ignore short reads; it'll correct itself */
1784                 while ((b = fgetln(stdin, &len)) != NULL)
1785                         if (b && b[len - 1] == '\n') {
1786                                 b[len - 1] = '\0';
1787                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1788                         }
1789                 if (b == NULL && errno != EAGAIN) {
1790                         warn("bar_update: bar_extra failed");
1791                         bar_extra_stop();
1792                 }
1793         } else
1794                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1795
1796         bar_fmt_print();
1797         alarm(bar_delay);
1798 }
1799
1800 void
1801 bar_signal(int sig)
1802 {
1803         /* suppress unused warning since var is needed */
1804         (void)sig;
1805
1806         bar_alarm = 1;
1807 }
1808
1809 void
1810 bar_toggle(struct swm_region *r, union arg *args)
1811 {
1812         struct swm_region       *tmpr;
1813         int                     i, num_screens;
1814
1815         /* suppress unused warnings since vars are needed */
1816         (void)r;
1817         (void)args;
1818
1819         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1820
1821         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1822         if (bar_enabled) {
1823                 for (i = 0; i < num_screens; i++)
1824                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1825                                 if (tmpr->bar)
1826                                         xcb_unmap_window(conn, tmpr->bar->id);
1827         } else {
1828                 for (i = 0; i < num_screens; i++)
1829                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1830                                 if (tmpr->bar)
1831                                         map_window_raised(tmpr->bar->id);
1832         }
1833
1834         bar_enabled = !bar_enabled;
1835
1836         stack();
1837         /* must be after stack */
1838         bar_update();
1839
1840         xcb_flush(conn);
1841 }
1842
1843 void
1844 bar_refresh(void)
1845 {
1846         struct swm_region       *r;
1847         uint32_t                wa[2];
1848         int                     i, num_screens;
1849
1850         /* do this here because the conf file is in memory */
1851         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1852                 /* launch external status app */
1853                 bar_extra_running = 1;
1854                 if (pipe(bar_pipe) == -1)
1855                         err(1, "pipe error");
1856                 socket_setnonblock(bar_pipe[0]);
1857                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1858                 if (dup2(bar_pipe[0], 0) == -1)
1859                         err(1, "dup2");
1860                 if (dup2(bar_pipe[1], 1) == -1)
1861                         err(1, "dup2");
1862                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1863                         err(1, "could not disable SIGPIPE");
1864                 switch (bar_pid = fork()) {
1865                 case -1:
1866                         err(1, "cannot fork");
1867                         break;
1868                 case 0: /* child */
1869                         close(bar_pipe[0]);
1870                         execvp(bar_argv[0], bar_argv);
1871                         err(1, "%s external app failed", bar_argv[0]);
1872                         break;
1873                 default: /* parent */
1874                         close(bar_pipe[1]);
1875                         break;
1876                 }
1877         }
1878
1879         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1880         for (i = 0; i < num_screens; i++)
1881                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1882                         if (r->bar == NULL)
1883                                 continue;
1884                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].pixel;
1885                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].pixel;
1886                         xcb_change_window_attributes(conn, r->bar->id,
1887                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1888                 }
1889         bar_update();
1890 }
1891
1892 void
1893 bar_setup(struct swm_region *r)
1894 {
1895         char                    *font, *fontpos, *dup, *search;
1896         int                     count;
1897         xcb_screen_t            *screen = get_screen(r->s->idx);
1898         uint32_t                wa[3];
1899         XRenderColor            color;
1900
1901         if (r->bar != NULL)
1902                 return;
1903
1904         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1905                 err(1, "bar_setup: calloc: failed to allocate memory.");
1906
1907         if (bar_font == NULL) {
1908                 if ((dup = strdup(bar_fonts)) == NULL)
1909                         errx(1, "insufficient memory.");
1910                 search = dup;
1911                 while ((font = strsep(&search, ",")) != NULL) {
1912                         if (*font == '\0')
1913                                 continue;
1914
1915                         DNPRINTF(SWM_D_INIT, "bar_setup: try font %s\n", font);
1916
1917                         count = 0;
1918                         fontpos = font;
1919                         while ((fontpos = index(fontpos, '-'))) {
1920                                 count++;
1921                                 fontpos++;
1922                         }
1923
1924                         if (count == 14)
1925                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
1926                                                 font);
1927                         else
1928                                 bar_font = XftFontOpenName(display, r->s->idx,
1929                                                 font);
1930                         if (!bar_font) {
1931                                 warnx("unable to load font %s", font);
1932                                 continue;
1933                         } else {
1934                                 DNPRINTF(SWM_D_INIT, "successfully opened "
1935                                     "font %s\n", font);
1936                                 break;
1937                         }
1938                 }
1939                 free(dup);
1940         }
1941
1942         if (bar_font == NULL)
1943                 errx(1, "unable to open a font");
1944
1945         bar_height = bar_font->height + 2 * bar_border_width;
1946
1947         if (bar_height < 1)
1948                 bar_height = 1;
1949
1950         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
1951
1952         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
1953             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
1954                 warn("unable to allocate Xft color");
1955
1956         X(r->bar) = X(r);
1957         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1958         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1959         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1960
1961         r->bar->id = xcb_generate_id(conn);
1962         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1963         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].pixel;
1964         wa[2] = XCB_EVENT_MASK_EXPOSURE;
1965
1966         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1967             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1968             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1969             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
1970             | XCB_CW_EVENT_MASK, wa);
1971
1972         r->bar->buffer = xcb_generate_id(conn);
1973         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1974             WIDTH(r->bar), HEIGHT(r->bar));
1975
1976         xcb_randr_select_input(conn, r->bar->id,
1977             XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1978
1979         if (bar_enabled)
1980                 map_window_raised(r->bar->id);
1981
1982         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1983             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1984             HEIGHT(r->bar));
1985
1986         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1987                 err(1, "could not install bar_signal");
1988         bar_refresh();
1989 }
1990
1991 void
1992 bar_cleanup(struct swm_region *r)
1993 {
1994         if (r->bar == NULL)
1995                 return;
1996         xcb_destroy_window(conn, r->bar->id);
1997         xcb_free_pixmap(conn, r->bar->buffer);
1998         free(r->bar);
1999         r->bar = NULL;
2000 }
2001
2002 void
2003 set_win_state(struct ws_win *win, uint16_t state)
2004 {
2005         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2006
2007         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
2008
2009         if (win == NULL)
2010                 return;
2011
2012         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2013             a_state, 32, 2, data);
2014 }
2015
2016 uint32_t
2017 getstate(xcb_window_t w)
2018 {
2019         uint32_t                        result = 0;
2020         xcb_get_property_cookie_t       c;
2021         xcb_get_property_reply_t        *r;
2022
2023         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2024         r = xcb_get_property_reply(conn, c, NULL);
2025
2026         if (r) {
2027                 if (r->type == a_state && r->format == 32 && r->length == 2)
2028                         result = *((uint32_t *)xcb_get_property_value(r));
2029                 free(r);
2030         }
2031
2032         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2033             result);
2034         return (result);
2035 }
2036
2037 void
2038 version(struct swm_region *r, union arg *args)
2039 {
2040         /* suppress unused warnings since vars are needed */
2041         (void)r;
2042         (void)args;
2043
2044         bar_version = !bar_version;
2045         if (bar_version)
2046                 snprintf(bar_vertext, sizeof bar_vertext,
2047                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2048         else
2049                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2050         bar_update();
2051
2052         xcb_flush(conn);
2053 }
2054
2055 void
2056 client_msg(struct ws_win *win, xcb_atom_t a)
2057 {
2058         xcb_client_message_event_t      ev;
2059
2060         if (win == NULL)
2061                 return;
2062
2063         bzero(&ev, sizeof ev);
2064         ev.response_type = XCB_CLIENT_MESSAGE;
2065         ev.window = win->id;
2066         ev.type = a_prot;
2067         ev.format = 32;
2068         ev.data.data32[0] = a;
2069         ev.data.data32[1] = XCB_CURRENT_TIME;
2070
2071         xcb_send_event(conn, 0, win->id,
2072             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2073 }
2074
2075 /* synthetic response to a ConfigureRequest when not making a change */
2076 void
2077 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2078 {
2079         xcb_configure_notify_event_t ce;
2080
2081         if (win == NULL)
2082                 return;
2083
2084         /* send notification of unchanged state. */
2085         bzero(&ce, sizeof(ce));
2086         ce.response_type = XCB_CONFIGURE_NOTIFY;
2087         ce.x = X(win);
2088         ce.y = Y(win);
2089         ce.width = WIDTH(win);
2090         ce.height = HEIGHT(win);
2091         ce.override_redirect = 0;
2092
2093         if (ev == NULL) {
2094                 /* EWMH */
2095                 ce.event = win->id;
2096                 ce.window = win->id;
2097                 ce.border_width = BORDER(win);
2098                 ce.above_sibling = XCB_WINDOW_NONE;
2099         } else {
2100                 /* normal */
2101                 ce.event = ev->window;
2102                 ce.window = ev->window;
2103
2104                 /* make response appear more WM_SIZE_HINTS-compliant */
2105                 if (win->sh.flags)
2106                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2107                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2108                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2109                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2110                             SH_INC_W(win), SH_INC_H(win));
2111
2112                 /* min size */
2113                 if (SH_MIN(win)) {
2114                         /* the hint may be set... to 0! */
2115                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2116                                 ce.width = SH_MIN_W(win);
2117                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2118                                 ce.height = SH_MIN_H(win);
2119                 }
2120
2121                 /* max size */
2122                 if (SH_MAX(win)) {
2123                         /* may also be advertized as 0 */
2124                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2125                                 ce.width = SH_MAX_W(win);
2126                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2127                                 ce.height = SH_MAX_H(win);
2128                 }
2129
2130                 /* resize increment. */
2131                 if (SH_INC(win)) {
2132                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2133                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2134                                     SH_INC_W(win);
2135                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2136                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2137                                     SH_INC_H(win);
2138                 }
2139
2140                 /* adjust x and y for requested border_width. */
2141                 ce.x += BORDER(win) - ev->border_width;
2142                 ce.y += BORDER(win) - ev->border_width;
2143                 ce.border_width = ev->border_width;
2144                 ce.above_sibling = ev->sibling;
2145         }
2146
2147         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2148             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2149             ce.y, ce.width, ce.height, ce.border_width);
2150
2151         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2152             (char *)&ce);
2153 }
2154
2155 int
2156 count_win(struct workspace *ws, int count_transient)
2157 {
2158         struct ws_win           *win;
2159         int                     count = 0;
2160
2161         TAILQ_FOREACH(win, &ws->winlist, entry) {
2162                 if (count_transient == 0 && win->floating)
2163                         continue;
2164                 if (count_transient == 0 && win->transient)
2165                         continue;
2166                 if (win->iconic)
2167                         continue;
2168                 count++;
2169         }
2170         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2171
2172         return (count);
2173 }
2174
2175 void
2176 quit(struct swm_region *r, union arg *args)
2177 {
2178         /* suppress unused warnings since vars are needed */
2179         (void)r;
2180         (void)args;
2181
2182         DNPRINTF(SWM_D_MISC, "quit\n");
2183         running = 0;
2184 }
2185
2186 void
2187 unmap_window(struct ws_win *win)
2188 {
2189         DNPRINTF(SWM_D_EVENT, "unmap_window: window: 0x%x\n", win->id);
2190
2191         if (win == NULL)
2192                 return;
2193
2194         /* don't unmap again */
2195         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2196                 return;
2197
2198         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2199
2200         xcb_unmap_window(conn, win->id);
2201         xcb_change_window_attributes(conn, win->id,
2202             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2203 }
2204
2205 void
2206 unmap_all(void)
2207 {
2208         struct ws_win           *win;
2209         int                     i, j, num_screens;
2210
2211         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2212         for (i = 0; i < num_screens; i++)
2213                 for (j = 0; j < workspace_limit; j++)
2214                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2215                                 unmap_window(win);
2216 }
2217
2218 void
2219 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2220 {
2221         xcb_key_press_event_t   event;
2222         xcb_keycode_t           *keycode;
2223
2224         if (win == NULL)
2225                 return;
2226
2227         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2228
2229         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2230             win->id, *keycode);
2231
2232         bzero(&event, sizeof(event));
2233         event.event = win->id;
2234         event.root = win->s->root;
2235         event.child = XCB_WINDOW_NONE;
2236         event.time = XCB_CURRENT_TIME;
2237         event.event_x = X(win);
2238         event.event_y = Y(win);
2239         event.root_x = 1;
2240         event.root_y = 1;
2241         event.same_screen = 1;
2242         event.detail = *keycode;
2243         event.state = modifiers;
2244
2245         event.response_type = XCB_KEY_PRESS;
2246         xcb_send_event(conn, 1, win->id,
2247             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2248
2249         event.response_type = XCB_KEY_RELEASE;
2250         xcb_send_event(conn, 1, win->id,
2251             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2252
2253         free(keycode);
2254 }
2255
2256 void
2257 restart(struct swm_region *r, union arg *args)
2258 {
2259         /* suppress unused warning since var is needed */
2260         (void)args;
2261
2262         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2263
2264         /* disable alarm because the following code may not be interrupted */
2265         alarm(0);
2266         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2267                 err(1, "can't disable alarm");
2268
2269         bar_extra_stop();
2270         bar_extra = 1;
2271         unmap_all();
2272
2273         XftFontClose(display, bar_font);
2274         XftColorFree(display, DefaultVisual(display, r->s->idx),
2275             DefaultColormap(display, r->s->idx), &bar_font_color);
2276         xcb_key_symbols_free(syms);
2277         xcb_flush(conn);
2278         xcb_disconnect(conn);
2279
2280         execvp(start_argv[0], start_argv);
2281         warn("execvp failed");
2282         quit(NULL, NULL);
2283 }
2284
2285 struct swm_region *
2286 root_to_region(xcb_window_t root)
2287 {
2288         struct swm_region               *r = NULL;
2289         int                             i, num_screens;
2290         xcb_query_pointer_reply_t       *qpr;
2291
2292         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2293
2294         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2295         for (i = 0; i < num_screens; i++)
2296                 if (screens[i].root == root)
2297                         break;
2298
2299         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2300             screens[i].root), NULL);
2301
2302         if (qpr) {
2303                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2304                     qpr->root_x, qpr->root_y);
2305                 /* choose a region based on pointer location */
2306                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2307                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2308                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2309                                 break;
2310                 free(qpr);
2311         }
2312
2313         if (r == NULL)
2314                 r = TAILQ_FIRST(&screens[i].rl);
2315
2316         return (r);
2317 }
2318
2319 struct ws_win *
2320 find_unmanaged_window(xcb_window_t id)
2321 {
2322         struct ws_win           *win;
2323         int                     i, j, num_screens;
2324
2325         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2326         for (i = 0; i < num_screens; i++)
2327                 for (j = 0; j < workspace_limit; j++)
2328                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2329                             entry)
2330                                 if (id == win->id)
2331                                         return (win);
2332         return (NULL);
2333 }
2334
2335 struct ws_win *
2336 find_window(xcb_window_t id)
2337 {
2338         struct ws_win           *win;
2339         int                     i, j, num_screens;
2340         xcb_query_tree_reply_t  *r;
2341
2342         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2343         for (i = 0; i < num_screens; i++)
2344                 for (j = 0; j < workspace_limit; j++)
2345                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2346                                 if (id == win->id)
2347                                         return (win);
2348
2349         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2350         if (!r)
2351                 return (NULL);
2352
2353         /* if we were looking for the parent return that window instead */
2354         if (r->parent == 0 || r->root == r->parent) {
2355                 free(r);
2356                 return (NULL);
2357         }
2358
2359         /* look for parent */
2360         for (i = 0; i < num_screens; i++)
2361                 for (j = 0; j < workspace_limit; j++)
2362                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2363                                 if (r->parent == win->id) {
2364                                         free(r);
2365                                         return (win);
2366                                 }
2367
2368         free(r);
2369         return (NULL);
2370 }
2371
2372 void
2373 spawn(int ws_idx, union arg *args, int close_fd)
2374 {
2375         int                     fd;
2376         char                    *ret = NULL;
2377
2378         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2379
2380         close(xcb_get_file_descriptor(conn));
2381
2382         setenv("LD_PRELOAD", SWM_LIB, 1);
2383
2384         if (asprintf(&ret, "%d", ws_idx) == -1) {
2385                 warn("spawn: asprintf SWM_WS");
2386                 _exit(1);
2387         }
2388         setenv("_SWM_WS", ret, 1);
2389         free(ret);
2390         ret = NULL;
2391
2392         if (asprintf(&ret, "%d", getpid()) == -1) {
2393                 warn("spawn: asprintf _SWM_PID");
2394                 _exit(1);
2395         }
2396         setenv("_SWM_PID", ret, 1);
2397         free(ret);
2398         ret = NULL;
2399
2400         if (setsid() == -1) {
2401                 warn("spawn: setsid");
2402                 _exit(1);
2403         }
2404
2405         if (close_fd) {
2406                 /*
2407                  * close stdin and stdout to prevent interaction between apps
2408                  * and the baraction script
2409                  * leave stderr open to record errors
2410                 */
2411                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2412                         warn("spawn: open");
2413                         _exit(1);
2414                 }
2415                 dup2(fd, STDIN_FILENO);
2416                 dup2(fd, STDOUT_FILENO);
2417                 if (fd > 2)
2418                         close(fd);
2419         }
2420
2421         execvp(args->argv[0], args->argv);
2422
2423         warn("spawn: execvp");
2424         _exit(1);
2425 }
2426
2427 void
2428 kill_refs(struct ws_win *win)
2429 {
2430         int                     i, x, num_screens;
2431         struct swm_region       *r;
2432         struct workspace        *ws;
2433
2434         if (win == NULL)
2435                 return;
2436
2437         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2438         for (i = 0; i < num_screens; i++)
2439                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2440                         for (x = 0; x < workspace_limit; x++) {
2441                                 ws = &r->s->ws[x];
2442                                 if (win == ws->focus)
2443                                         ws->focus = NULL;
2444                                 if (win == ws->focus_prev)
2445                                         ws->focus_prev = NULL;
2446                         }
2447 }
2448
2449 int
2450 validate_win(struct ws_win *testwin)
2451 {
2452         struct ws_win           *win;
2453         struct workspace        *ws;
2454         struct swm_region       *r;
2455         int                     i, x, num_screens;
2456
2457         if (testwin == NULL)
2458                 return (0);
2459
2460         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2461         for (i = 0; i < num_screens; i++)
2462                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2463                         for (x = 0; x < workspace_limit; x++) {
2464                                 ws = &r->s->ws[x];
2465                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2466                                         if (win == testwin)
2467                                                 return (0);
2468                         }
2469         return (1);
2470 }
2471
2472 int
2473 validate_ws(struct workspace *testws)
2474 {
2475         struct swm_region       *r;
2476         struct workspace        *ws;
2477         int                     i, x, num_screens;
2478
2479         /* validate all ws */
2480         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2481         for (i = 0; i < num_screens; i++)
2482                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2483                         for (x = 0; x < workspace_limit; x++) {
2484                                 ws = &r->s->ws[x];
2485                                 if (ws == testws)
2486                                         return (0);
2487                         }
2488         return (1);
2489 }
2490
2491 void
2492 unfocus_win(struct ws_win *win)
2493 {
2494         xcb_window_t            none = XCB_WINDOW_NONE;
2495
2496         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2497
2498         if (win == NULL)
2499                 return;
2500         if (win->ws == NULL)
2501                 return;
2502
2503         if (validate_ws(win->ws))
2504                 return; /* XXX this gets hit with thunderbird, needs fixing */
2505
2506         if (win->ws->r == NULL)
2507                 return;
2508
2509         if (validate_win(win)) {
2510                 kill_refs(win);
2511                 return;
2512         }
2513
2514         if (win->ws->focus == win) {
2515                 win->ws->focus = NULL;
2516                 win->ws->focus_prev = win;
2517         }
2518
2519         if (validate_win(win->ws->focus)) {
2520                 kill_refs(win->ws->focus);
2521                 win->ws->focus = NULL;
2522         }
2523         if (validate_win(win->ws->focus_prev)) {
2524                 kill_refs(win->ws->focus_prev);
2525                 win->ws->focus_prev = NULL;
2526         }
2527
2528         grabbuttons(win, 0);
2529         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2530             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2531         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2532             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2533 }
2534
2535 void
2536 unfocus_all(void)
2537 {
2538         struct ws_win           *win;
2539         int                     i, j, num_screens;
2540
2541         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2542
2543         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2544         for (i = 0; i < num_screens; i++)
2545                 for (j = 0; j < workspace_limit; j++)
2546                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2547                                 unfocus_win(win);
2548 }
2549
2550 void
2551 focus_win(struct ws_win *win)
2552 {
2553         struct ws_win           *cfw = NULL;
2554         xcb_get_input_focus_reply_t     *r;
2555         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2556
2557         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2558
2559         if (win == NULL)
2560                 return;
2561         if (win->ws == NULL)
2562                 return;
2563
2564         if (validate_ws(win->ws))
2565                 return; /* XXX this gets hit with thunderbird, needs fixing */
2566
2567         if (validate_win(win)) {
2568                 kill_refs(win);
2569                 return;
2570         }
2571
2572         if (validate_win(win)) {
2573                 kill_refs(win);
2574                 return;
2575         }
2576
2577         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2578         if (r) {
2579                 cur_focus = r->focus;
2580                 free(r);
2581         }
2582         if ((cfw = find_window(cur_focus)) != NULL)
2583                 unfocus_win(cfw);
2584         else {
2585 #if 0
2586                 /* use larger hammer since the window was killed somehow */
2587                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2588                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2589                                 xcb_change_window_attributes(conn, cfw->id,
2590                                     XCB_CW_BORDER_PIXEL,
2591                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2592 #endif
2593         }
2594
2595         win->ws->focus = win;
2596
2597         if (win->ws->r != NULL) {
2598                 if (win->java == 0)
2599                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2600                             win->id, XCB_CURRENT_TIME);
2601                 grabbuttons(win, 1);
2602                 xcb_change_window_attributes(conn, win->id,
2603                     XCB_CW_BORDER_PIXEL,
2604                     &win->ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
2605                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2606                     win->ws->always_raise)
2607                         map_window_raised(win->id);
2608
2609                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2610                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2611                     &win->id);
2612         }
2613
2614         bar_update();
2615 }
2616
2617 void
2618 event_drain(uint8_t rt)
2619 {
2620         xcb_generic_event_t     *evt;
2621
2622         xcb_flush(conn);
2623         while ((evt = xcb_poll_for_event(conn))) {
2624                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2625                         event_handle(evt);
2626
2627                 free(evt);
2628         }
2629 }
2630
2631 void
2632 switchws(struct swm_region *r, union arg *args)
2633 {
2634         int                     wsid = args->id, unmap_old = 0;
2635         struct swm_region       *this_r, *other_r;
2636         struct ws_win           *win;
2637         struct workspace        *new_ws, *old_ws;
2638         union arg               a;
2639
2640         if (!(r && r->s))
2641                 return;
2642
2643         if (wsid >= workspace_limit)
2644                 return;
2645
2646         this_r = r;
2647         old_ws = this_r->ws;
2648         new_ws = &this_r->s->ws[wsid];
2649
2650         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2651             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2652
2653         if (new_ws == NULL || old_ws == NULL)
2654                 return;
2655         if (new_ws == old_ws)
2656                 return;
2657
2658         other_r = new_ws->r;
2659         if (other_r == NULL) {
2660                 /* the other workspace is hidden, hide this one */
2661                 old_ws->r = NULL;
2662                 unmap_old = 1;
2663         } else {
2664                 /* the other ws is visible in another region, exchange them */
2665                 other_r->ws_prior = new_ws;
2666                 other_r->ws = old_ws;
2667                 old_ws->r = other_r;
2668         }
2669         this_r->ws_prior = old_ws;
2670         this_r->ws = new_ws;
2671         new_ws->r = this_r;
2672
2673         /* this is needed so that we can click on a window after a restart */
2674         unfocus_all();
2675
2676         stack();
2677         a.id = SWM_ARG_ID_FOCUSCUR;
2678         focus(new_ws->r, &a);
2679
2680         /* unmap old windows */
2681         if (unmap_old)
2682                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2683                         unmap_window(win);
2684
2685         if (focus_mode == SWM_FOCUS_DEFAULT)
2686                 event_drain(XCB_ENTER_NOTIFY);
2687         else
2688                 xcb_flush(conn);
2689
2690         DNPRINTF(SWM_D_WS, "switchws: done\n");
2691 }
2692
2693 void
2694 cyclews(struct swm_region *r, union arg *args)
2695 {
2696         union                   arg a;
2697         struct swm_screen       *s = r->s;
2698         int                     cycle_all = 0;
2699
2700         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2701             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2702
2703         a.id = r->ws->idx;
2704         do {
2705                 switch (args->id) {
2706                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2707                         cycle_all = 1;
2708                         /* FALLTHROUGH */
2709                 case SWM_ARG_ID_CYCLEWS_UP:
2710                         if (a.id < workspace_limit - 1)
2711                                 a.id++;
2712                         else
2713                                 a.id = 0;
2714                         break;
2715                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2716                         cycle_all = 1;
2717                         /* FALLTHROUGH */
2718                 case SWM_ARG_ID_CYCLEWS_DOWN:
2719                         if (a.id > 0)
2720                                 a.id--;
2721                         else
2722                                 a.id = workspace_limit - 1;
2723                         break;
2724                 default:
2725                         return;
2726                 };
2727
2728                 if (!cycle_all &&
2729                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2730                         continue;
2731                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2732                         continue;
2733
2734                 switchws(r, &a);
2735         } while (a.id != r->ws->idx);
2736 }
2737
2738 void
2739 priorws(struct swm_region *r, union arg *args)
2740 {
2741         union arg               a;
2742
2743         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2744             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2745
2746         if (r->ws_prior == NULL)
2747                 return;
2748
2749         a.id = r->ws_prior->idx;
2750         switchws(r, &a);
2751 }
2752
2753 void
2754 cyclescr(struct swm_region *r, union arg *args)
2755 {
2756         struct swm_region       *rr = NULL;
2757         union arg               a;
2758         int                     i, x, y, num_screens;
2759
2760         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2761         /* do nothing if we don't have more than one screen */
2762         if (!(num_screens > 1 || outputs > 1))
2763                 return;
2764
2765         i = r->s->idx;
2766         switch (args->id) {
2767         case SWM_ARG_ID_CYCLESC_UP:
2768                 rr = TAILQ_NEXT(r, entry);
2769                 if (rr == NULL)
2770                         rr = TAILQ_FIRST(&screens[i].rl);
2771                 break;
2772         case SWM_ARG_ID_CYCLESC_DOWN:
2773                 rr = TAILQ_PREV(r, swm_region_list, entry);
2774                 if (rr == NULL)
2775                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2776                 break;
2777         default:
2778                 return;
2779         };
2780         if (rr == NULL)
2781                 return;
2782
2783         /* move mouse to region */
2784         x = X(rr) + 1;
2785         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2786         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2787             x, y);
2788
2789         a.id = SWM_ARG_ID_FOCUSCUR;
2790         focus(rr, &a);
2791
2792         if (rr->ws->focus) {
2793                 /* move to focus window */
2794                 x = X(rr->ws->focus) + 1;
2795                 y = Y(rr->ws->focus) + 1;
2796                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2797                     0, x, y);
2798         }
2799 }
2800
2801 void
2802 sort_windows(struct ws_win_list *wl)
2803 {
2804         struct ws_win           *win, *parent, *nxt;
2805
2806         if (wl == NULL)
2807                 return;
2808
2809         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2810                 nxt = TAILQ_NEXT(win, entry);
2811                 if (win->transient) {
2812                         parent = find_window(win->transient);
2813                         if (parent == NULL) {
2814                                 warnx("not possible bug");
2815                                 continue;
2816                         }
2817                         TAILQ_REMOVE(wl, win, entry);
2818                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2819                 }
2820         }
2821
2822 }
2823
2824 void
2825 swapwin(struct swm_region *r, union arg *args)
2826 {
2827         struct ws_win           *target, *source;
2828         struct ws_win           *cur_focus;
2829         struct ws_win_list      *wl;
2830
2831
2832         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2833             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2834
2835         cur_focus = r->ws->focus;
2836         if (cur_focus == NULL)
2837                 return;
2838
2839         source = cur_focus;
2840         wl = &source->ws->winlist;
2841
2842         switch (args->id) {
2843         case SWM_ARG_ID_SWAPPREV:
2844                 if (source->transient)
2845                         source = find_window(source->transient);
2846                 target = TAILQ_PREV(source, ws_win_list, entry);
2847                 if (target && target->transient)
2848                         target = find_window(target->transient);
2849                 TAILQ_REMOVE(wl, source, entry);
2850                 if (target == NULL)
2851                         TAILQ_INSERT_TAIL(wl, source, entry);
2852                 else
2853                         TAILQ_INSERT_BEFORE(target, source, entry);
2854                 break;
2855         case SWM_ARG_ID_SWAPNEXT:
2856                 target = TAILQ_NEXT(source, entry);
2857                 /* move the parent and let the sort handle the move */
2858                 if (source->transient)
2859                         source = find_window(source->transient);
2860                 TAILQ_REMOVE(wl, source, entry);
2861                 if (target == NULL)
2862                         TAILQ_INSERT_HEAD(wl, source, entry);
2863                 else
2864                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2865                 break;
2866         case SWM_ARG_ID_SWAPMAIN:
2867                 target = TAILQ_FIRST(wl);
2868                 if (target == source) {
2869                         if (source->ws->focus_prev != NULL &&
2870                             source->ws->focus_prev != target)
2871                                 source = source->ws->focus_prev;
2872                         else
2873                                 return;
2874                 }
2875                 if (target == NULL || source == NULL)
2876                         return;
2877                 source->ws->focus_prev = target;
2878                 TAILQ_REMOVE(wl, target, entry);
2879                 TAILQ_INSERT_BEFORE(source, target, entry);
2880                 TAILQ_REMOVE(wl, source, entry);
2881                 TAILQ_INSERT_HEAD(wl, source, entry);
2882                 break;
2883         case SWM_ARG_ID_MOVELAST:
2884                 TAILQ_REMOVE(wl, source, entry);
2885                 TAILQ_INSERT_TAIL(wl, source, entry);
2886                 break;
2887         default:
2888                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2889                 return;
2890         }
2891
2892         sort_windows(wl);
2893
2894         stack();
2895
2896         xcb_flush(conn);
2897 }
2898
2899 void
2900 focus_prev(struct ws_win *win)
2901 {
2902         struct ws_win           *winfocus = NULL;
2903         struct ws_win           *cur_focus = NULL;
2904         struct ws_win_list      *wl = NULL;
2905         struct workspace        *ws = NULL;
2906
2907         if (!(win && win->ws))
2908                 return;
2909
2910         ws = win->ws;
2911         wl = &ws->winlist;
2912         cur_focus = ws->focus;
2913
2914         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2915             WINID(win), WINID(cur_focus));
2916
2917         /* pickle, just focus on whatever */
2918         if (cur_focus == NULL) {
2919                 /* use prev_focus if valid */
2920                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2921                     find_window(WINID(ws->focus_prev)))
2922                         winfocus = ws->focus_prev;
2923                 goto done;
2924         }
2925
2926         /* if transient focus on parent */
2927         if (cur_focus->transient) {
2928                 winfocus = find_window(cur_focus->transient);
2929                 goto done;
2930         }
2931
2932         /* if in max_stack try harder */
2933         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2934             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2935                 if (cur_focus != ws->focus_prev)
2936                         winfocus = ws->focus_prev;
2937                 else
2938                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2939                 if (winfocus)
2940                         goto done;
2941         }
2942
2943         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2944
2945         if (winfocus == NULL || winfocus == win) {
2946                 switch (focus_close) {
2947                 case SWM_STACK_BOTTOM:
2948                         winfocus = TAILQ_FIRST(wl);
2949                         break;
2950                 case SWM_STACK_TOP:
2951                         winfocus = TAILQ_LAST(wl, ws_win_list);
2952                         break;
2953                 case SWM_STACK_ABOVE:
2954                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2955                                 if (focus_close_wrap)
2956                                         winfocus = TAILQ_FIRST(wl);
2957                                 else
2958                                         winfocus = TAILQ_PREV(cur_focus,
2959                                             ws_win_list, entry);
2960                         }
2961                         break;
2962                 case SWM_STACK_BELOW:
2963                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2964                             entry)) == NULL) {
2965                                 if (focus_close_wrap)
2966                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2967                                 else
2968                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2969                         }
2970                         break;
2971                 }
2972         }
2973 done:
2974         if (winfocus == NULL) {
2975                 if (focus_default == SWM_STACK_TOP)
2976                         winfocus = TAILQ_LAST(wl, ws_win_list);
2977                 else
2978                         winfocus = TAILQ_FIRST(wl);
2979         }
2980
2981         kill_refs(win);
2982         focus_magic(winfocus);
2983 }
2984
2985 void
2986 focus(struct swm_region *r, union arg *args)
2987 {
2988         struct ws_win           *winfocus = NULL, *head;
2989         struct ws_win           *cur_focus = NULL;
2990         struct ws_win_list      *wl = NULL;
2991         struct workspace        *ws = NULL;
2992         int                     all_iconics;
2993
2994         if (!(r && r->ws))
2995                 return;
2996
2997         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2998
2999         /* treat FOCUS_CUR special */
3000         if (args->id == SWM_ARG_ID_FOCUSCUR) {
3001                 if (r->ws->focus && r->ws->focus->iconic == 0)
3002                         winfocus = r->ws->focus;
3003                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
3004                         winfocus = r->ws->focus_prev;
3005                 else
3006                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3007                                 if (winfocus->iconic == 0)
3008                                         break;
3009
3010                 focus_magic(winfocus);
3011                 return;
3012         }
3013
3014         if ((cur_focus = r->ws->focus) == NULL)
3015                 return;
3016         ws = r->ws;
3017         wl = &ws->winlist;
3018         if (TAILQ_EMPTY(wl))
3019                 return;
3020         /* make sure there is at least one uniconified window */
3021         all_iconics = 1;
3022         TAILQ_FOREACH(winfocus, wl, entry)
3023                 if (winfocus->iconic == 0) {
3024                         all_iconics = 0;
3025                         break;
3026                 }
3027         if (all_iconics)
3028                 return;
3029
3030         switch (args->id) {
3031         case SWM_ARG_ID_FOCUSPREV:
3032                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3033                 if (head == NULL)
3034                         head = TAILQ_LAST(wl, ws_win_list);
3035                 winfocus = head;
3036                 if (WINID(winfocus) == cur_focus->transient) {
3037                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3038                         if (head == NULL)
3039                                 head = TAILQ_LAST(wl, ws_win_list);
3040                         winfocus = head;
3041                 }
3042
3043                 /* skip iconics */
3044                 if (winfocus && winfocus->iconic) {
3045                         while (winfocus != cur_focus) {
3046                                 if (winfocus == NULL)
3047                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3048                                 if (winfocus->iconic == 0)
3049                                         break;
3050                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3051                                     entry);
3052                         }
3053                 }
3054                 break;
3055
3056         case SWM_ARG_ID_FOCUSNEXT:
3057                 head = TAILQ_NEXT(cur_focus, entry);
3058                 if (head == NULL)
3059                         head = TAILQ_FIRST(wl);
3060                 winfocus = head;
3061
3062                 /* skip iconics */
3063                 if (winfocus && winfocus->iconic) {
3064                         while (winfocus != cur_focus) {
3065                                 if (winfocus == NULL)
3066                                         winfocus = TAILQ_FIRST(wl);
3067                                 if (winfocus->iconic == 0)
3068                                         break;
3069                                 winfocus = TAILQ_NEXT(winfocus, entry);
3070                         }
3071                 }
3072                 break;
3073
3074         case SWM_ARG_ID_FOCUSMAIN:
3075                 winfocus = TAILQ_FIRST(wl);
3076                 if (winfocus == cur_focus)
3077                         winfocus = cur_focus->ws->focus_prev;
3078                 break;
3079
3080         default:
3081                 return;
3082         }
3083
3084         focus_magic(winfocus);
3085
3086         xcb_flush(conn);
3087 }
3088
3089 void
3090 cycle_layout(struct swm_region *r, union arg *args)
3091 {
3092         struct workspace        *ws = r->ws;
3093         union arg               a;
3094
3095         /* suppress unused warning since var is needed */
3096         (void)args;
3097
3098         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3099
3100         ws->cur_layout++;
3101         if (ws->cur_layout->l_stack == NULL)
3102                 ws->cur_layout = &layouts[0];
3103
3104         stack();
3105         bar_update();
3106
3107         if (focus_mode == SWM_FOCUS_DEFAULT)
3108                 event_drain(XCB_ENTER_NOTIFY);
3109
3110         a.id = SWM_ARG_ID_FOCUSCUR;
3111         focus(r, &a);
3112 }
3113
3114 void
3115 stack_config(struct swm_region *r, union arg *args)
3116 {
3117         struct workspace        *ws = r->ws;
3118
3119         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3120             args->id, ws->idx);
3121
3122         if (ws->cur_layout->l_config != NULL)
3123                 ws->cur_layout->l_config(ws, args->id);
3124
3125         if (args->id != SWM_ARG_ID_STACKINIT)
3126                 stack();
3127         bar_update();
3128 }
3129
3130 void
3131 stack(void) {
3132         struct swm_geometry     g;
3133         struct swm_region       *r;
3134         int                     i, num_screens;
3135 #ifdef SWM_DEBUG
3136         int j;
3137 #endif
3138
3139         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3140
3141         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3142         for (i = 0; i < num_screens; i++) {
3143 #ifdef SWM_DEBUG
3144                 j = 0;
3145 #endif
3146                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3147                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3148                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3149
3150                         /* start with screen geometry, adjust for bar */
3151                         g = r->g;
3152                         g.w -= 2 * border_width;
3153                         g.h -= 2 * border_width;
3154                         if (bar_enabled) {
3155                                 if (!bar_at_bottom)
3156                                         g.y += bar_height;
3157                                 g.h -= bar_height;
3158                         }
3159                         r->ws->cur_layout->l_stack(r->ws, &g);
3160                         r->ws->cur_layout->l_string(r->ws);
3161                         /* save r so we can track region changes */
3162                         r->ws->old_r = r;
3163                 }
3164         }
3165         if (font_adjusted)
3166                 font_adjusted--;
3167
3168         if (focus_mode == SWM_FOCUS_DEFAULT)
3169                 event_drain(XCB_ENTER_NOTIFY);
3170
3171         DNPRINTF(SWM_D_STACK, "stack: end\n");
3172 }
3173
3174 void
3175 store_float_geom(struct ws_win *win, struct swm_region *r)
3176 {
3177         /* retain window geom and region geom */
3178         win->g_float = win->g;
3179         win->g_float.x -= X(r);
3180         win->g_float.y -= Y(r);
3181         win->g_floatvalid = 1;
3182         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3183             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3184             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3185             win->g_float.w, win->g_float.h);
3186 }
3187
3188 void
3189 stack_floater(struct ws_win *win, struct swm_region *r)
3190 {
3191         if (win == NULL)
3192                 return;
3193
3194         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3195
3196         /*
3197          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3198          * geom on ws switches or return from max mode
3199          */
3200         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3201             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3202                 /* refloat at last floating relative position */
3203                 win->g = win->g_float;
3204                 X(win) += X(r);
3205                 Y(win) += Y(r);
3206         }
3207
3208         win->floatmaxed = 0;
3209
3210         /*
3211          * if set to fullscreen mode, configure window to maximum size.
3212          */
3213         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3214                 if (!win->g_floatvalid)
3215                         store_float_geom(win, win->ws->r);
3216
3217                 win->g = win->ws->r->g;
3218         }
3219
3220         /*
3221          * remove border on fullscreen floater when in fullscreen mode or when
3222          * the quirk is present.
3223          */
3224         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3225             ((win->quirks & SWM_Q_FULLSCREEN) &&
3226              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3227                 if (win->bordered) {
3228                         win->bordered = 0;
3229                         X(win) += border_width;
3230                         Y(win) += border_width;
3231                 }
3232         } else if (!win->bordered) {
3233                 win->bordered = 1;
3234                 X(win) -= border_width;
3235                 Y(win) -= border_width;
3236         }
3237
3238         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3239                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3240                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3241         }
3242
3243         if (!win->manual) {
3244                 /*
3245                  * floaters and transients are auto-centred unless moved
3246                  * or resized
3247                  */
3248                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3249                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3250         }
3251
3252         /* keep window within region bounds */
3253         constrain_window(win, r, 0);
3254
3255         update_window(win);
3256 }
3257
3258 /*
3259  * Send keystrokes to terminal to decrease/increase the font size as the
3260  * window size changes.
3261  */
3262 void
3263 adjust_font(struct ws_win *win)
3264 {
3265         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3266             win->floating || win->transient)
3267                 return;
3268
3269         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3270             WIDTH(win) / win->sh.width_inc < term_width &&
3271             win->font_steps < SWM_MAX_FONT_STEPS) {
3272                 win->font_size_boundary[win->font_steps] =
3273                     (win->sh.width_inc * term_width) + win->sh.base_width;
3274                 win->font_steps++;
3275                 font_adjusted++;
3276                 win->last_inc = win->sh.width_inc;
3277                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3278         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3279             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3280                 win->font_steps--;
3281                 font_adjusted++;
3282                 win->last_inc = win->sh.width_inc;
3283                 fake_keypress(win, XK_KP_Add, ShiftMask);
3284         }
3285 }
3286
3287 #define SWAPXY(g)       do {                            \
3288         int tmp;                                        \
3289         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3290         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3291 } while (0)
3292 void
3293 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3294 {
3295         struct swm_geometry     win_g, r_g = *g;
3296         struct ws_win           *win, *fs_win = NULL;
3297         int                     i, j, s, stacks;
3298         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3299         int                     hrh, extra = 0, h_slice, last_h = 0;
3300         int                     split, colno, winno, mwin, msize, mscale;
3301         int                     remain, missing, v_slice, reconfigure;
3302         int                     bordered = 1;
3303         xcb_get_window_attributes_reply_t *war;
3304
3305         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3306             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3307
3308         winno = count_win(ws, 0);
3309         if (winno == 0 && count_win(ws, 1) == 0)
3310                 return;
3311
3312         TAILQ_FOREACH(win, &ws->winlist, entry)
3313                 if (win->transient == 0 && win->floating == 0
3314                     && win->iconic == 0)
3315                         break;
3316
3317         if (win == NULL)
3318                 goto notiles;
3319
3320         if (rot) {
3321                 w_inc = win->sh.width_inc;
3322                 w_base = win->sh.base_width;
3323                 mwin = ws->l_state.horizontal_mwin;
3324                 mscale = ws->l_state.horizontal_msize;
3325                 stacks = ws->l_state.horizontal_stacks;
3326                 SWAPXY(&r_g);
3327         } else {
3328                 w_inc = win->sh.height_inc;
3329                 w_base = win->sh.base_height;
3330                 mwin = ws->l_state.vertical_mwin;
3331                 mscale = ws->l_state.vertical_msize;
3332                 stacks = ws->l_state.vertical_stacks;
3333         }
3334         win_g = r_g;
3335
3336         if (stacks > winno - mwin)
3337                 stacks = winno - mwin;
3338         if (stacks < 1)
3339                 stacks = 1;
3340
3341         h_slice = r_g.h / SWM_H_SLICE;
3342         if (mwin && winno > mwin) {
3343                 v_slice = r_g.w / SWM_V_SLICE;
3344
3345                 split = mwin;
3346                 colno = split;
3347                 win_g.w = v_slice * mscale;
3348
3349                 if (w_inc > 1 && w_inc < v_slice) {
3350                         /* adjust for window's requested size increment */
3351                         remain = (win_g.w - w_base) % w_inc;
3352                         win_g.w -= remain;
3353                 }
3354
3355                 msize = win_g.w;
3356                 if (flip)
3357                         win_g.x += r_g.w - msize;
3358         } else {
3359                 msize = -2;
3360                 colno = split = winno / stacks;
3361                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3362                     2 * border_width) / stacks);
3363         }
3364         hrh = r_g.h / colno;
3365         extra = r_g.h - (colno * hrh);
3366         win_g.h = hrh - 2 * border_width;
3367
3368         /*  stack all the tiled windows */
3369         i = j = 0, s = stacks;
3370         TAILQ_FOREACH(win, &ws->winlist, entry) {
3371                 if (win->transient != 0 || win->floating != 0)
3372                         continue;
3373                 if (win->iconic != 0)
3374                         continue;
3375
3376                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3377                         fs_win = win;
3378                         continue;
3379                 }
3380
3381                 if (split && i == split) {
3382                         colno = (winno - mwin) / stacks;
3383                         if (s <= (winno - mwin) % stacks)
3384                                 colno++;
3385                         split = split + colno;
3386                         hrh = (r_g.h / colno);
3387                         extra = r_g.h - (colno * hrh);
3388                         if (flip)
3389                                 win_g.x = r_g.x;
3390                         else
3391                                 win_g.x += win_g.w + 2 * border_width;
3392                         win_g.w = (r_g.w - msize -
3393                             (stacks * 2 * border_width)) / stacks;
3394                         if (s == 1)
3395                                 win_g.w += (r_g.w - msize -
3396                                     (stacks * 2 * border_width)) % stacks;
3397                         s--;
3398                         j = 0;
3399                 }
3400                 win_g.h = hrh - 2 * border_width;
3401                 if (rot) {
3402                         h_inc = win->sh.width_inc;
3403                         h_base = win->sh.base_width;
3404                 } else {
3405                         h_inc = win->sh.height_inc;
3406                         h_base = win->sh.base_height;
3407                 }
3408                 if (j == colno - 1) {
3409                         win_g.h = hrh + extra;
3410                 } else if (h_inc > 1 && h_inc < h_slice) {
3411                         /* adjust for window's requested size increment */
3412                         remain = (win_g.h - h_base) % h_inc;
3413                         missing = h_inc - remain;
3414
3415                         if (missing <= extra || j == 0) {
3416                                 extra -= missing;
3417                                 win_g.h += missing;
3418                         } else {
3419                                 win_g.h -= remain;
3420                                 extra += remain;
3421                         }
3422                 }
3423
3424                 if (j == 0)
3425                         win_g.y = r_g.y;
3426                 else
3427                         win_g.y += last_h + 2 * border_width;
3428
3429                 if (disable_border && bar_enabled == 0 && winno == 1){
3430                         bordered = 0;
3431                         win_g.w += 2 * border_width;
3432                         win_g.h += 2 * border_width;
3433                 } else {
3434                         bordered = 1;
3435                 }
3436                 if (rot) {
3437                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3438                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3439                                 reconfigure = 1;
3440                                 X(win) = win_g.y;
3441                                 Y(win) = win_g.x;
3442                                 WIDTH(win) = win_g.h;
3443                                 HEIGHT(win) = win_g.w;
3444                         }
3445                 } else {
3446                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3447                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3448                                 reconfigure = 1;
3449                                 X(win) = win_g.x;
3450                                 Y(win) = win_g.y;
3451                                 WIDTH(win) = win_g.w;
3452                                 HEIGHT(win) = win_g.h;
3453                         }
3454                 }
3455
3456                 if (bordered != win->bordered) {
3457                         reconfigure = 1;
3458                         win->bordered = bordered;
3459                 }
3460
3461                 if (reconfigure) {
3462                         adjust_font(win);
3463                         update_window(win);
3464                 }
3465
3466                 war = xcb_get_window_attributes_reply(conn,
3467                         xcb_get_window_attributes(conn, win->id),
3468                         NULL);
3469                 if (war) {
3470                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3471                                 map_window_raised(win->id);
3472                         free(war);
3473                 }
3474
3475                 last_h = win_g.h;
3476                 i++;
3477                 j++;
3478         }
3479
3480 notiles:
3481         /* now, stack all the floaters and transients */
3482         TAILQ_FOREACH(win, &ws->winlist, entry) {
3483                 if (win->transient == 0 && win->floating == 0)
3484                         continue;
3485                 if (win->iconic == 1)
3486                         continue;
3487                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3488                         fs_win = win;
3489                         continue;
3490                 }
3491
3492                 stack_floater(win, ws->r);
3493                 map_window_raised(win->id);
3494         }
3495
3496         if (fs_win) {
3497                 stack_floater(fs_win, ws->r);
3498                 map_window_raised(fs_win->id);
3499         }
3500 }
3501
3502 void
3503 vertical_config(struct workspace *ws, int id)
3504 {
3505         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3506             id, ws->idx);
3507
3508         switch (id) {
3509         case SWM_ARG_ID_STACKRESET:
3510         case SWM_ARG_ID_STACKINIT:
3511                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3512                 ws->l_state.vertical_mwin = 1;
3513                 ws->l_state.vertical_stacks = 1;
3514                 break;
3515         case SWM_ARG_ID_MASTERSHRINK:
3516                 if (ws->l_state.vertical_msize > 1)
3517                         ws->l_state.vertical_msize--;
3518                 break;
3519         case SWM_ARG_ID_MASTERGROW:
3520                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3521                         ws->l_state.vertical_msize++;
3522                 break;
3523         case SWM_ARG_ID_MASTERADD:
3524                 ws->l_state.vertical_mwin++;
3525                 break;
3526         case SWM_ARG_ID_MASTERDEL:
3527                 if (ws->l_state.vertical_mwin > 0)
3528                         ws->l_state.vertical_mwin--;
3529                 break;
3530         case SWM_ARG_ID_STACKINC:
3531                 ws->l_state.vertical_stacks++;
3532                 break;
3533         case SWM_ARG_ID_STACKDEC:
3534                 if (ws->l_state.vertical_stacks > 1)
3535                         ws->l_state.vertical_stacks--;
3536                 break;
3537         case SWM_ARG_ID_FLIPLAYOUT:
3538                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3539                 break;
3540         default:
3541                 return;
3542         }
3543 }
3544
3545 void
3546 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3547 {
3548         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3549
3550         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3551 }
3552
3553 void
3554 horizontal_config(struct workspace *ws, int id)
3555 {
3556         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3557
3558         switch (id) {
3559         case SWM_ARG_ID_STACKRESET:
3560         case SWM_ARG_ID_STACKINIT:
3561                 ws->l_state.horizontal_mwin = 1;
3562                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3563                 ws->l_state.horizontal_stacks = 1;
3564                 break;
3565         case SWM_ARG_ID_MASTERSHRINK:
3566                 if (ws->l_state.horizontal_msize > 1)
3567                         ws->l_state.horizontal_msize--;
3568                 break;
3569         case SWM_ARG_ID_MASTERGROW:
3570                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3571                         ws->l_state.horizontal_msize++;
3572                 break;
3573         case SWM_ARG_ID_MASTERADD:
3574                 ws->l_state.horizontal_mwin++;
3575                 break;
3576         case SWM_ARG_ID_MASTERDEL:
3577                 if (ws->l_state.horizontal_mwin > 0)
3578                         ws->l_state.horizontal_mwin--;
3579                 break;
3580         case SWM_ARG_ID_STACKINC:
3581                 ws->l_state.horizontal_stacks++;
3582                 break;
3583         case SWM_ARG_ID_STACKDEC:
3584                 if (ws->l_state.horizontal_stacks > 1)
3585                         ws->l_state.horizontal_stacks--;
3586                 break;
3587         case SWM_ARG_ID_FLIPLAYOUT:
3588                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3589                 break;
3590         default:
3591                 return;
3592         }
3593 }
3594
3595 void
3596 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3597 {
3598         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3599
3600         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3601 }
3602
3603 /* fullscreen view */
3604 void
3605 max_stack(struct workspace *ws, struct swm_geometry *g)
3606 {
3607         struct swm_geometry     gg = *g;
3608         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3609         int                     winno, num_screens;
3610
3611         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3612
3613         if (ws == NULL)
3614                 return;
3615
3616         winno = count_win(ws, 0);
3617         if (winno == 0 && count_win(ws, 1) == 0)
3618                 return;
3619
3620         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3621         TAILQ_FOREACH(win, &ws->winlist, entry) {
3622                 if (win->transient) {
3623                         wintrans = win;
3624                         parent = find_window(win->transient);
3625                         continue;
3626                 }
3627
3628                 if (win->floating && win->floatmaxed == 0 ) {
3629                         /*
3630                          * retain geometry for retrieval on exit from
3631                          * max_stack mode
3632                          */
3633                         store_float_geom(win, ws->r);
3634                         win->floatmaxed = 1;
3635                 }
3636
3637                 /* only reconfigure if necessary */
3638                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3639                     HEIGHT(win) != gg.h) {
3640                         win->g = gg;
3641                         if (bar_enabled){
3642                                 win->bordered = 1;
3643                         } else {
3644                                 win->bordered = 0;
3645                                 WIDTH(win) += 2 * border_width;
3646                                 HEIGHT(win) += 2 * border_width;
3647                         }
3648
3649                         update_window(win);
3650                 }
3651                 /* unmap only if we don't have multi screen */
3652                 if (win != ws->focus)
3653                         if (!(num_screens > 1 || outputs > 1))
3654                                 unmap_window(win);
3655         }
3656
3657         /* put the last transient on top */
3658         if (wintrans) {
3659                 if (parent)
3660                         map_window_raised(parent->id);
3661                 stack_floater(wintrans, ws->r);
3662                 focus_magic(wintrans);
3663         }
3664 }
3665
3666 void
3667 send_to_ws(struct swm_region *r, union arg *args)
3668 {
3669         int                     wsid = args->id;
3670         struct ws_win           *win = NULL, *parent;
3671         struct workspace        *ws, *nws;
3672         char                    ws_idx_str[SWM_PROPLEN];
3673         union arg               a;
3674
3675         if (wsid >= workspace_limit)
3676                 return;
3677
3678         if (r && r->ws && r->ws->focus)
3679                 win = r->ws->focus;
3680         else
3681                 return;
3682         if (win == NULL)
3683                 return;
3684         if (win->ws->idx == wsid)
3685                 return;
3686
3687         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3688
3689         ws = win->ws;
3690         nws = &win->s->ws[wsid];
3691
3692         a.id = SWM_ARG_ID_FOCUSPREV;
3693         focus(r, &a);
3694         if (win->transient) {
3695                 parent = find_window(win->transient);
3696                 if (parent) {
3697                         unmap_window(parent);
3698                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3699                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3700                         parent->ws = nws;
3701                 }
3702         }
3703         unmap_window(win);
3704         TAILQ_REMOVE(&ws->winlist, win, entry);
3705         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3706         if (TAILQ_EMPTY(&ws->winlist))
3707                 r->ws->focus = NULL;
3708         win->ws = nws;
3709
3710         /* Try to update the window's workspace property */
3711         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
3712                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3713                     ws_idx_str);
3714                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3715                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3716                     ws_idx_str);
3717         }
3718
3719         stack();
3720         bar_update();
3721
3722         xcb_flush(conn);
3723 }
3724
3725 void
3726 pressbutton(struct swm_region *r, union arg *args)
3727 {
3728         /* suppress unused warning since var is needed */
3729         (void)r;
3730
3731         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3732             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3733         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3734             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3735 }
3736
3737 void
3738 raise_toggle(struct swm_region *r, union arg *args)
3739 {
3740         /* suppress unused warning since var is needed */
3741         (void)args;
3742
3743         if (r == NULL || r->ws == NULL)
3744                 return;
3745
3746         r->ws->always_raise = !r->ws->always_raise;
3747
3748         /* bring floaters back to top */
3749         if (r->ws->always_raise == 0)
3750                 stack();
3751
3752         xcb_flush(conn);
3753 }
3754
3755 void
3756 iconify(struct swm_region *r, union arg *args)
3757 {
3758         union arg a;
3759
3760         /* suppress unused warning since var is needed */
3761         (void)args;
3762
3763         if (r->ws->focus == NULL)
3764                 return;
3765         unmap_window(r->ws->focus);
3766         update_iconic(r->ws->focus, 1);
3767         stack();
3768
3769         r->ws->focus = NULL;
3770         a.id = SWM_ARG_ID_FOCUSCUR;
3771         focus(r, &a);
3772
3773         xcb_flush(conn);
3774 }
3775
3776 char *
3777 get_win_name(xcb_window_t win)
3778 {
3779         char                            *name = NULL;
3780         xcb_get_property_cookie_t       c;
3781         xcb_icccm_get_text_property_reply_t     r;
3782
3783         c = xcb_icccm_get_wm_name(conn, win);
3784         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3785                 if (r.name_len > 0) {
3786                         name = malloc(r.name_len + 1);
3787                         if (name) {
3788                                 memcpy(name, r.name, r.name_len);
3789                                 name[r.name_len] = '\0';
3790                         }
3791                 }
3792                 xcb_icccm_get_text_property_reply_wipe(&r);
3793         }
3794
3795         return (name);
3796 }
3797
3798 void
3799 uniconify(struct swm_region *r, union arg *args)
3800 {
3801         struct ws_win           *win;
3802         FILE                    *lfile;
3803         char                    *name;
3804         int                     count = 0;
3805
3806         DNPRINTF(SWM_D_MISC, "uniconify\n");
3807
3808         if (r == NULL || r->ws == NULL)
3809                 return;
3810
3811         /* make sure we have anything to uniconify */
3812         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3813                 if (win->ws == NULL)
3814                         continue; /* should never happen */
3815                 if (win->iconic == 0)
3816                         continue;
3817                 count++;
3818         }
3819         if (count == 0)
3820                 return;
3821
3822         search_r = r;
3823         search_resp_action = SWM_SEARCH_UNICONIFY;
3824
3825         spawn_select(r, args, "search", &searchpid);
3826
3827         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3828                 return;
3829
3830         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3831                 if (win->ws == NULL)
3832                         continue; /* should never happen */
3833                 if (win->iconic == 0)
3834                         continue;
3835
3836                 name = get_win_name(win->id);
3837                 if (name == NULL)
3838                         continue;
3839                 fprintf(lfile, "%s.%u\n", name, win->id);
3840                 free(name);
3841         }
3842
3843         fclose(lfile);
3844
3845         xcb_flush(conn);
3846 }
3847
3848 void
3849 name_workspace(struct swm_region *r, union arg *args)
3850 {
3851         FILE                    *lfile;
3852
3853         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3854
3855         if (r == NULL)
3856                 return;
3857
3858         search_r = r;
3859         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3860
3861         spawn_select(r, args, "name_workspace", &searchpid);
3862
3863         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3864                 return;
3865
3866         fprintf(lfile, "%s", "");
3867         fclose(lfile);
3868 }
3869
3870 void
3871 search_workspace(struct swm_region *r, union arg *args)
3872 {
3873         int                     i;
3874         struct workspace        *ws;
3875         FILE                    *lfile;
3876
3877         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3878
3879         if (r == NULL)
3880                 return;
3881
3882         search_r = r;
3883         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3884
3885         spawn_select(r, args, "search", &searchpid);
3886
3887         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3888                 return;
3889
3890         for (i = 0; i < workspace_limit; i++) {
3891                 ws = &r->s->ws[i];
3892                 if (ws == NULL)
3893                         continue;
3894                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3895                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3896         }
3897
3898         fclose(lfile);
3899 }
3900
3901 void
3902 search_win_cleanup(void)
3903 {
3904         struct search_window    *sw = NULL;
3905
3906         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3907                 xcb_destroy_window(conn, sw->indicator);
3908                 xcb_free_gc(conn, sw->gc);
3909                 TAILQ_REMOVE(&search_wl, sw, entry);
3910                 free(sw);
3911         }
3912 }
3913
3914 void
3915 search_win(struct swm_region *r, union arg *args)
3916 {
3917         struct ws_win           *win = NULL;
3918         struct search_window    *sw = NULL;
3919         xcb_window_t            w;
3920         uint32_t                gcv[3], wa[2];
3921         int                     i;
3922         char                    s[8];
3923         FILE                    *lfile;
3924         size_t                  len;
3925         XftDraw                 *draw;
3926         XGlyphInfo              info;
3927
3928         DNPRINTF(SWM_D_MISC, "search_win\n");
3929
3930         search_r = r;
3931         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3932
3933         spawn_select(r, args, "search", &searchpid);
3934
3935         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3936                 return;
3937
3938         TAILQ_INIT(&search_wl);
3939
3940         i = 1;
3941         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3942                 if (win->iconic == 1)
3943                         continue;
3944
3945                 sw = calloc(1, sizeof(struct search_window));
3946                 if (sw == NULL) {
3947                         warn("search_win: calloc");
3948                         fclose(lfile);
3949                         search_win_cleanup();
3950                         return;
3951                 }
3952                 sw->idx = i;
3953                 sw->win = win;
3954
3955                 snprintf(s, sizeof s, "%d", i);
3956                 len = strlen(s);
3957
3958                 XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
3959
3960                 w = xcb_generate_id(conn);
3961                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
3962                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
3963                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3964                     info.width + 4, bar_font->height + 4,
3965                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3966                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3967
3968                 sw->indicator = w;
3969                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3970
3971                 sw->gc = xcb_generate_id(conn);
3972                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
3973                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
3974                 gcv[2] = 0;
3975                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3976                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
3977                 map_window_raised(w);
3978
3979                 draw = XftDrawCreate(display, w,
3980                     DefaultVisual(display, r->s->idx),
3981                     DefaultColormap(display, r->s->idx));
3982
3983                 XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
3984                     (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
3985                     (FcChar8 *)s, len);
3986
3987                 XftDrawDestroy(draw);
3988
3989                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3990
3991                 fprintf(lfile, "%d\n", i);
3992                 i++;
3993         }
3994
3995         fclose(lfile);
3996
3997         xcb_flush(conn);
3998 }
3999
4000 void
4001 search_resp_uniconify(char *resp, unsigned long len)
4002 {
4003         char                    *name;
4004         struct ws_win           *win;
4005         char                    *s;
4006
4007         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
4008
4009         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4010                 if (win->iconic == 0)
4011                         continue;
4012                 name = get_win_name(win->id);
4013                 if (name == NULL)
4014                         continue;
4015                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4016                         free(name);
4017                         continue;
4018                 }
4019                 free(name);
4020                 if (strncmp(s, resp, len) == 0) {
4021                         /* XXX this should be a callback to generalize */
4022                         update_iconic(win, 0);
4023                         free(s);
4024                         break;
4025                 }
4026                 free(s);
4027         }
4028 }
4029
4030 void
4031 search_resp_name_workspace(char *resp, unsigned long len)
4032 {
4033         struct workspace        *ws;
4034
4035         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4036
4037         if (search_r->ws == NULL)
4038                 return;
4039         ws = search_r->ws;
4040
4041         if (ws->name) {
4042                 free(search_r->ws->name);
4043                 search_r->ws->name = NULL;
4044         }
4045
4046         if (len > 1) {
4047                 ws->name = strdup(resp);
4048                 if (ws->name == NULL) {
4049                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4050                             "strdup: %s", strerror(errno));
4051                         return;
4052                 }
4053         }
4054 }
4055
4056 void
4057 search_resp_search_workspace(char *resp)
4058 {
4059         char                    *p, *q;
4060         int                     ws_idx;
4061         const char              *errstr;
4062         union arg               a;
4063
4064         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4065
4066         q = strdup(resp);
4067         if (!q) {
4068                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4069                     strerror(errno));
4070                 return;
4071         }
4072         p = strchr(q, ':');
4073         if (p != NULL)
4074                 *p = '\0';
4075         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4076         if (errstr) {
4077                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4078                     errstr, q);
4079                 free(q);
4080                 return;
4081         }
4082         free(q);
4083         a.id = ws_idx - 1;
4084         switchws(search_r, &a);
4085 }
4086
4087 void
4088 search_resp_search_window(char *resp)
4089 {
4090         char                    *s;
4091         int                     idx;
4092         const char              *errstr;
4093         struct search_window    *sw;
4094
4095         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4096
4097         s = strdup(resp);
4098         if (!s) {
4099                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4100                     strerror(errno));
4101                 return;
4102         }
4103
4104         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4105         if (errstr) {
4106                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4107                     errstr, s);
4108                 free(s);
4109                 return;
4110         }
4111         free(s);
4112
4113         TAILQ_FOREACH(sw, &search_wl, entry)
4114                 if (idx == sw->idx) {
4115                         focus_win(sw->win);
4116                         break;
4117                 }
4118 }
4119
4120 #define MAX_RESP_LEN    1024
4121
4122 void
4123 search_do_resp(void)
4124 {
4125         ssize_t                 rbytes;
4126         char                    *resp;
4127         unsigned long           len;
4128
4129         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4130
4131         search_resp = 0;
4132         searchpid = 0;
4133
4134         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4135                 warn("search: calloc");
4136                 goto done;
4137         }
4138
4139         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4140         if (rbytes <= 0) {
4141                 warn("search: read error");
4142                 goto done;
4143         }
4144         resp[rbytes] = '\0';
4145
4146         /* XXX:
4147          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4148          * newline, so work around that by sanitizing the resp now.
4149          */
4150         resp[strcspn(resp, "\n")] = '\0';
4151         len = strlen(resp);
4152
4153         switch (search_resp_action) {
4154         case SWM_SEARCH_UNICONIFY:
4155                 search_resp_uniconify(resp, len);
4156                 break;
4157         case SWM_SEARCH_NAME_WORKSPACE:
4158                 search_resp_name_workspace(resp, len);
4159                 break;
4160         case SWM_SEARCH_SEARCH_WORKSPACE:
4161                 search_resp_search_workspace(resp);
4162                 break;
4163         case SWM_SEARCH_SEARCH_WINDOW:
4164                 search_resp_search_window(resp);
4165                 break;
4166         }
4167
4168 done:
4169         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4170                 search_win_cleanup();
4171
4172         search_resp_action = SWM_SEARCH_NONE;
4173         close(select_resp_pipe[0]);
4174         free(resp);
4175 }
4176
4177 void
4178 wkill(struct swm_region *r, union arg *args)
4179 {
4180         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4181
4182         if (r->ws->focus == NULL)
4183                 return;
4184
4185         if (args->id == SWM_ARG_ID_KILLWINDOW)
4186                 xcb_kill_client(conn, r->ws->focus->id);
4187         else
4188                 if (r->ws->focus->can_delete)
4189                         client_msg(r->ws->focus, a_delete);
4190
4191         xcb_flush(conn);
4192 }
4193
4194
4195 int
4196 floating_toggle_win(struct ws_win *win)
4197 {
4198         struct swm_region       *r;
4199
4200         if (win == NULL)
4201                 return (0);
4202
4203         if (!win->ws->r)
4204                 return (0);
4205
4206         r = win->ws->r;
4207
4208         /* reject floating toggles in max stack mode */
4209         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4210                 return (0);
4211
4212         if (win->floating) {
4213                 if (!win->floatmaxed) {
4214                         /* retain position for refloat */
4215                         store_float_geom(win, r);
4216                 }
4217                 win->floating = 0;
4218         } else {
4219                 if (win->g_floatvalid) {
4220                         /* refloat at last floating relative position */
4221                         X(win) = win->g_float.x + X(r);
4222                         Y(win) = win->g_float.y + Y(r);
4223                         WIDTH(win) = win->g_float.w;
4224                         HEIGHT(win) = win->g_float.h;
4225                 }
4226                 win->floating = 1;
4227         }
4228
4229         ewmh_update_actions(win);
4230
4231         return (1);
4232 }
4233
4234 void
4235 floating_toggle(struct swm_region *r, union arg *args)
4236 {
4237         struct ws_win           *win = r->ws->focus;
4238         union arg               a;
4239
4240         /* suppress unused warning since var is needed */
4241         (void)args;
4242
4243         if (win == NULL)
4244                 return;
4245
4246         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4247             _NET_WM_STATE_TOGGLE);
4248
4249         stack();
4250
4251         if (win == win->ws->focus) {
4252                 a.id = SWM_ARG_ID_FOCUSCUR;
4253                 focus(win->ws->r, &a);
4254         }
4255
4256         xcb_flush(conn);
4257         event_drain(XCB_ENTER_NOTIFY);
4258 }
4259
4260 void
4261 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4262 {
4263         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4264                 if (resizable)
4265                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4266                 else
4267                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4268         }
4269
4270         if (X(win) + BORDER(win) < X(r)) {
4271                 if (resizable)
4272                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4273
4274                 X(win) = X(r) - BORDER(win);
4275         }
4276
4277         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4278                 if (resizable)
4279                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4280                 else
4281                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4282         }
4283
4284         if (Y(win) + BORDER(win) < Y(r)) {
4285                 if (resizable)
4286                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4287
4288                 Y(win) = Y(r) - BORDER(win);
4289         }
4290
4291         if (resizable) {
4292                 if (WIDTH(win) < 1)
4293                         WIDTH(win) = 1;
4294                 if (HEIGHT(win) < 1)
4295                         HEIGHT(win) = 1;
4296         }
4297 }
4298
4299 void
4300 update_window(struct ws_win *win)
4301 {
4302         uint16_t        mask;
4303         uint32_t        wc[5];
4304
4305         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4306             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4307             XCB_CONFIG_WINDOW_BORDER_WIDTH;
4308         wc[0] = X(win);
4309         wc[1] = Y(win);
4310         wc[2] = WIDTH(win);
4311         wc[3] = HEIGHT(win);
4312         wc[4] = BORDER(win);
4313
4314         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4315             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4316             wc[3], YESNO(win->bordered));
4317
4318         xcb_configure_window(conn, win->id, mask, wc);
4319 }
4320
4321 #define SWM_RESIZE_STEPS        (50)
4322
4323 void
4324 resize(struct ws_win *win, union arg *args)
4325 {
4326         xcb_timestamp_t         timestamp = 0;
4327         struct swm_region       *r = NULL;
4328         int                     resize_step = 0;
4329         struct swm_geometry     g;
4330         int                     top = 0, left = 0, resizing;
4331         int                     dx, dy;
4332         unsigned int            shape; /* cursor style */
4333         xcb_cursor_t            cursor;
4334         xcb_font_t              cursor_font;
4335         xcb_query_pointer_reply_t       *xpr;
4336         xcb_generic_event_t             *evt;
4337         xcb_motion_notify_event_t       *mne;
4338
4339         if (win == NULL)
4340                 return;
4341         r = win->ws->r;
4342
4343         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4344                 return;
4345
4346         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4347             "transient: 0x%x\n", win->id, YESNO(win->floating),
4348             win->transient);
4349
4350         if (!(win->transient != 0 || win->floating != 0))
4351                 return;
4352
4353         /* reject resizes in max mode for floaters (transient ok) */
4354         if (win->floatmaxed)
4355                 return;
4356
4357         win->manual = 1;
4358         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4359             _NET_WM_STATE_ADD);
4360
4361         stack();
4362
4363         switch (args->id) {
4364         case SWM_ARG_ID_WIDTHSHRINK:
4365                 WIDTH(win) -= SWM_RESIZE_STEPS;
4366                 resize_step = 1;
4367                 break;
4368         case SWM_ARG_ID_WIDTHGROW:
4369                 WIDTH(win) += SWM_RESIZE_STEPS;
4370                 resize_step = 1;
4371                 break;
4372         case SWM_ARG_ID_HEIGHTSHRINK:
4373                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4374                 resize_step = 1;
4375                 break;
4376         case SWM_ARG_ID_HEIGHTGROW:
4377                 HEIGHT(win) += SWM_RESIZE_STEPS;
4378                 resize_step = 1;
4379                 break;
4380         default:
4381                 break;
4382         }
4383         if (resize_step) {
4384                 constrain_window(win, r, 1);
4385                 update_window(win);
4386                 store_float_geom(win,r);
4387                 return;
4388         }
4389
4390         /* get cursor offset from window root */
4391         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4392             NULL);
4393         if (!xpr)
4394                 return;
4395
4396         g = win->g;
4397
4398         if (xpr->win_x < WIDTH(win) / 2)
4399                 left = 1;
4400
4401         if (xpr->win_y < HEIGHT(win) / 2)
4402                 top = 1;
4403
4404         if (args->id == SWM_ARG_ID_CENTER)
4405                 shape = XC_sizing;
4406         else if (top)
4407                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4408         else
4409                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4410
4411         cursor_font = xcb_generate_id(conn);
4412         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4413
4414         cursor = xcb_generate_id(conn);
4415         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4416             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4417
4418         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4419             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4420             XCB_CURRENT_TIME),
4421
4422         xcb_flush(conn);
4423         resizing = 1;
4424         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4425                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4426                 case XCB_BUTTON_RELEASE:
4427                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4428                         resizing = 0;
4429                         break;
4430                 case XCB_MOTION_NOTIFY:
4431                         mne = (xcb_motion_notify_event_t *)evt;
4432                         /* cursor offset/delta from start of the operation */
4433                         dx = mne->root_x - xpr->root_x;
4434                         dy = mne->root_y - xpr->root_y;
4435
4436                         /* vertical */
4437                         if (top)
4438                                 dy = -dy;
4439
4440                         if (args->id == SWM_ARG_ID_CENTER) {
4441                                 if (g.h / 2 + dy < 1)
4442                                         dy = 1 - g.h / 2;
4443
4444                                 Y(win) = g.y - dy;
4445                                 HEIGHT(win) = g.h + 2 * dy;
4446                         } else {
4447                                 if (g.h + dy < 1)
4448                                         dy = 1 - g.h;
4449
4450                                 if (top)
4451                                         Y(win) = g.y - dy;
4452
4453                                 HEIGHT(win) = g.h + dy;
4454                         }
4455
4456                         /* horizontal */
4457                         if (left)
4458                                 dx = -dx;
4459
4460                         if (args->id == SWM_ARG_ID_CENTER) {
4461                                 if (g.w / 2 + dx < 1)
4462                                         dx = 1 - g.w / 2;
4463
4464                                 X(win) = g.x - dx;
4465                                 WIDTH(win) = g.w + 2 * dx;
4466                         } else {
4467                                 if (g.w + dx < 1)
4468                                         dx = 1 - g.w;
4469
4470                                 if (left)
4471                                         X(win) = g.x - dx;
4472
4473                                 WIDTH(win) = g.w + dx;
4474                         }
4475
4476                         constrain_window(win, r, 1);
4477
4478                         /* not free, don't sync more than 120 times / second */
4479                         if ((mne->time - timestamp) > (1000 / 120) ) {
4480                                 timestamp = mne->time;
4481                                 do_sync();
4482                                 update_window(win);
4483                         }
4484                         break;
4485                 default:
4486                         event_handle(evt);
4487                         break;
4488                 }
4489                 free(evt);
4490         }
4491         if (timestamp) {
4492                 do_sync();
4493                 update_window(win);
4494         }
4495         store_float_geom(win,r);
4496
4497         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4498         xcb_free_cursor(conn, cursor);
4499         xcb_close_font(conn, cursor_font);
4500         free(xpr);
4501         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4502 }
4503
4504 void
4505 resize_step(struct swm_region *r, union arg *args)
4506 {
4507         struct ws_win           *win = NULL;
4508
4509         if (r && r->ws && r->ws->focus)
4510                 win = r->ws->focus;
4511         else
4512                 return;
4513
4514         resize(win, args);
4515 }
4516
4517 #define SWM_MOVE_STEPS  (50)
4518
4519 void
4520 move(struct ws_win *win, union arg *args)
4521 {
4522         xcb_timestamp_t         timestamp = 0;
4523         int                     move_step = 0, moving;
4524         struct swm_region       *r = NULL;
4525         xcb_font_t                      cursor_font;
4526         xcb_cursor_t                    cursor;
4527         xcb_query_pointer_reply_t       *qpr;
4528         xcb_generic_event_t             *evt;
4529         xcb_motion_notify_event_t       *mne;
4530
4531         if (win == NULL)
4532                 return;
4533         r = win->ws->r;
4534
4535         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4536                 return;
4537
4538         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4539             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4540
4541         /* in max_stack mode should only move transients */
4542         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4543                 return;
4544
4545         win->manual = 1;
4546         if (win->floating == 0 && !win->transient) {
4547                 store_float_geom(win, r);
4548                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4549                     _NET_WM_STATE_ADD);
4550         }
4551         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4552             _NET_WM_STATE_ADD);
4553
4554         stack();
4555
4556         move_step = 0;
4557         switch (args->id) {
4558         case SWM_ARG_ID_MOVELEFT:
4559                 X(win) -= (SWM_MOVE_STEPS - border_width);
4560                 move_step = 1;
4561                 break;
4562         case SWM_ARG_ID_MOVERIGHT:
4563                 X(win) += (SWM_MOVE_STEPS - border_width);
4564                 move_step = 1;
4565                 break;
4566         case SWM_ARG_ID_MOVEUP:
4567                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4568                 move_step = 1;
4569                 break;
4570         case SWM_ARG_ID_MOVEDOWN:
4571                 Y(win) += (SWM_MOVE_STEPS - border_width);
4572                 move_step = 1;
4573                 break;
4574         default:
4575                 break;
4576         }
4577         if (move_step) {
4578                 constrain_window(win, r, 0);
4579                 update_window(win);
4580                 store_float_geom(win, r);
4581                 return;
4582         }
4583
4584         cursor_font = xcb_generate_id(conn);
4585         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4586
4587         cursor = xcb_generate_id(conn);
4588         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4589                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4590
4591         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4592             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4593             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4594
4595         /* get cursor offset from window root */
4596         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4597                 NULL);
4598         if (!qpr) {
4599                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4600                 xcb_free_cursor(conn, cursor);
4601                 xcb_close_font(conn, cursor_font);
4602                 return;
4603         }
4604
4605         xcb_flush(conn);
4606         moving = 1;
4607         while ((evt = xcb_wait_for_event(conn)) && moving) {
4608                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4609                 case XCB_BUTTON_RELEASE:
4610                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4611                         moving = 0;
4612                         break;
4613                 case XCB_MOTION_NOTIFY:
4614                         mne = (xcb_motion_notify_event_t *)evt;
4615                         X(win) = mne->root_x - qpr->win_x - border_width;
4616                         Y(win) = mne->root_y - qpr->win_y - border_width;
4617
4618                         constrain_window(win, r, 0);
4619
4620                         /* not free, don't sync more than 120 times / second */
4621                         if ((mne->time - timestamp) > (1000 / 120) ) {
4622                                 timestamp = mne->time;
4623                                 do_sync();
4624                                 update_window(win);
4625                         }
4626                         break;
4627                 default:
4628                         event_handle(evt);
4629                         break;
4630                 }
4631                 free(evt);
4632         }
4633         if (timestamp) {
4634                 do_sync();
4635                 update_window(win);
4636         }
4637         store_float_geom(win, r);
4638         free(qpr);
4639         xcb_free_cursor(conn, cursor);
4640         xcb_close_font(conn, cursor_font);
4641         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4642         DNPRINTF(SWM_D_EVENT, "move: done\n");
4643 }
4644
4645 void
4646 move_step(struct swm_region *r, union arg *args)
4647 {
4648         struct ws_win           *win = NULL;
4649
4650         if (r && r->ws && r->ws->focus)
4651                 win = r->ws->focus;
4652         else
4653                 return;
4654
4655         if (!(win->transient != 0 || win->floating != 0))
4656                 return;
4657
4658         move(win, args);
4659 }
4660
4661
4662 /* user/key callable function IDs */
4663 enum keyfuncid {
4664         KF_BAR_TOGGLE,
4665         KF_BUTTON2,
4666         KF_CYCLE_LAYOUT,
4667         KF_FLIP_LAYOUT,
4668         KF_FLOAT_TOGGLE,
4669         KF_FOCUS_MAIN,
4670         KF_FOCUS_NEXT,
4671         KF_FOCUS_PREV,
4672         KF_HEIGHT_GROW,
4673         KF_HEIGHT_SHRINK,
4674         KF_ICONIFY,
4675         KF_MASTER_SHRINK,
4676         KF_MASTER_GROW,
4677         KF_MASTER_ADD,
4678         KF_MASTER_DEL,
4679         KF_MOVE_DOWN,
4680         KF_MOVE_LEFT,
4681         KF_MOVE_RIGHT,
4682         KF_MOVE_UP,
4683         KF_MVWS_1,
4684         KF_MVWS_2,
4685         KF_MVWS_3,
4686         KF_MVWS_4,
4687         KF_MVWS_5,
4688         KF_MVWS_6,
4689         KF_MVWS_7,
4690         KF_MVWS_8,
4691         KF_MVWS_9,
4692         KF_MVWS_10,
4693         KF_MVWS_11,
4694         KF_MVWS_12,
4695         KF_MVWS_13,
4696         KF_MVWS_14,
4697         KF_MVWS_15,
4698         KF_MVWS_16,
4699         KF_MVWS_17,
4700         KF_MVWS_18,
4701         KF_MVWS_19,
4702         KF_MVWS_20,
4703         KF_MVWS_21,
4704         KF_MVWS_22,
4705         KF_NAME_WORKSPACE,
4706         KF_QUIT,
4707         KF_RAISE_TOGGLE,
4708         KF_RESTART,
4709         KF_SCREEN_NEXT,
4710         KF_SCREEN_PREV,
4711         KF_SEARCH_WIN,
4712         KF_SEARCH_WORKSPACE,
4713         KF_SPAWN_CUSTOM,
4714         KF_STACK_INC,
4715         KF_STACK_DEC,
4716         KF_STACK_RESET,
4717         KF_SWAP_MAIN,
4718         KF_SWAP_NEXT,
4719         KF_SWAP_PREV,
4720         KF_UNICONIFY,
4721         KF_VERSION,
4722         KF_WIDTH_GROW,
4723         KF_WIDTH_SHRINK,
4724         KF_WIND_DEL,
4725         KF_WIND_KILL,
4726         KF_WS_1,
4727         KF_WS_2,
4728         KF_WS_3,
4729         KF_WS_4,
4730         KF_WS_5,
4731         KF_WS_6,
4732         KF_WS_7,
4733         KF_WS_8,
4734         KF_WS_9,
4735         KF_WS_10,
4736         KF_WS_11,
4737         KF_WS_12,
4738         KF_WS_13,
4739         KF_WS_14,
4740         KF_WS_15,
4741         KF_WS_16,
4742         KF_WS_17,
4743         KF_WS_18,
4744         KF_WS_19,
4745         KF_WS_20,
4746         KF_WS_21,
4747         KF_WS_22,
4748         KF_WS_NEXT,
4749         KF_WS_NEXT_ALL,
4750         KF_WS_PREV,
4751         KF_WS_PREV_ALL,
4752         KF_WS_PRIOR,
4753         KF_DUMPWINS, /* MUST BE LAST */
4754         KF_INVALID
4755 };
4756
4757 /* key definitions */
4758 struct keyfunc {
4759         char                    name[SWM_FUNCNAME_LEN];
4760         void                    (*func)(struct swm_region *r, union arg *);
4761         union arg               args;
4762 } keyfuncs[KF_INVALID + 1] = {
4763         /* name                 function        argument */
4764         { "bar_toggle",         bar_toggle,     {0} },
4765         { "button2",            pressbutton,    {2} },
4766         { "cycle_layout",       cycle_layout,   {0} },
4767         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4768         { "float_toggle",       floating_toggle,{0} },
4769         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4770         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4771         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4772         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4773         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4774         { "iconify",            iconify,        {0} },
4775         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4776         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4777         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4778         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4779         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4780         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4781         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4782         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4783         { "mvws_1",             send_to_ws,     {.id = 0} },
4784         { "mvws_2",             send_to_ws,     {.id = 1} },
4785         { "mvws_3",             send_to_ws,     {.id = 2} },
4786         { "mvws_4",             send_to_ws,     {.id = 3} },
4787         { "mvws_5",             send_to_ws,     {.id = 4} },
4788         { "mvws_6",             send_to_ws,     {.id = 5} },
4789         { "mvws_7",             send_to_ws,     {.id = 6} },
4790         { "mvws_8",             send_to_ws,     {.id = 7} },
4791         { "mvws_9",             send_to_ws,     {.id = 8} },
4792         { "mvws_10",            send_to_ws,     {.id = 9} },
4793         { "mvws_11",            send_to_ws,     {.id = 10} },
4794         { "mvws_12",            send_to_ws,     {.id = 11} },
4795         { "mvws_13",            send_to_ws,     {.id = 12} },
4796         { "mvws_14",            send_to_ws,     {.id = 13} },
4797         { "mvws_15",            send_to_ws,     {.id = 14} },
4798         { "mvws_16",            send_to_ws,     {.id = 15} },
4799         { "mvws_17",            send_to_ws,     {.id = 16} },
4800         { "mvws_18",            send_to_ws,     {.id = 17} },
4801         { "mvws_19",            send_to_ws,     {.id = 18} },
4802         { "mvws_20",            send_to_ws,     {.id = 19} },
4803         { "mvws_21",            send_to_ws,     {.id = 20} },
4804         { "mvws_22",            send_to_ws,     {.id = 21} },
4805         { "name_workspace",     name_workspace, {0} },
4806         { "quit",               quit,           {0} },
4807         { "raise_toggle",       raise_toggle,   {0} },
4808         { "restart",            restart,        {0} },
4809         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4810         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4811         { "search_win",         search_win,     {0} },
4812         { "search_workspace",   search_workspace,       {0} },
4813         { "spawn_custom",       NULL,           {0} },
4814         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4815         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4816         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4817         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4818         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4819         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4820         { "uniconify",          uniconify,      {0} },
4821         { "version",            version,        {0} },
4822         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4823         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4824         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4825         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4826         { "ws_1",               switchws,       {.id = 0} },
4827         { "ws_2",               switchws,       {.id = 1} },
4828         { "ws_3",               switchws,       {.id = 2} },
4829         { "ws_4",               switchws,       {.id = 3} },
4830         { "ws_5",               switchws,       {.id = 4} },
4831         { "ws_6",               switchws,       {.id = 5} },
4832         { "ws_7",               switchws,       {.id = 6} },
4833         { "ws_8",               switchws,       {.id = 7} },
4834         { "ws_9",               switchws,       {.id = 8} },
4835         { "ws_10",              switchws,       {.id = 9} },
4836         { "ws_11",              switchws,       {.id = 10} },
4837         { "ws_12",              switchws,       {.id = 11} },
4838         { "ws_13",              switchws,       {.id = 12} },
4839         { "ws_14",              switchws,       {.id = 13} },
4840         { "ws_15",              switchws,       {.id = 14} },
4841         { "ws_16",              switchws,       {.id = 15} },
4842         { "ws_17",              switchws,       {.id = 16} },
4843         { "ws_18",              switchws,       {.id = 17} },
4844         { "ws_19",              switchws,       {.id = 18} },
4845         { "ws_20",              switchws,       {.id = 19} },
4846         { "ws_21",              switchws,       {.id = 20} },
4847         { "ws_22",              switchws,       {.id = 21} },
4848         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4849         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4850         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4851         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4852         { "ws_prior",           priorws,        {0} },
4853         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4854         { "invalid key func",   NULL,           {0} },
4855 };
4856 struct key {
4857         RB_ENTRY(key)           entry;
4858         unsigned int            mod;
4859         KeySym                  keysym;
4860         enum keyfuncid          funcid;
4861         char                    *spawn_name;
4862 };
4863 RB_HEAD(key_tree, key);
4864
4865 int
4866 key_cmp(struct key *kp1, struct key *kp2)
4867 {
4868         if (kp1->keysym < kp2->keysym)
4869                 return (-1);
4870         if (kp1->keysym > kp2->keysym)
4871                 return (1);
4872
4873         if (kp1->mod < kp2->mod)
4874                 return (-1);
4875         if (kp1->mod > kp2->mod)
4876                 return (1);
4877
4878         return (0);
4879 }
4880
4881 RB_GENERATE(key_tree, key, entry, key_cmp);
4882 struct key_tree                 keys;
4883
4884 /* mouse */
4885 enum { client_click, root_click };
4886 struct button {
4887         unsigned int            action;
4888         unsigned int            mask;
4889         unsigned int            button;
4890         void                    (*func)(struct ws_win *, union arg *);
4891         union arg               args;
4892 } buttons[] = {
4893           /* action     key             mouse button    func    args */
4894         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4895         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4896         { client_click, MODKEY,         Button1,        move,   {0} },
4897 };
4898
4899 void
4900 update_modkey(unsigned int mod)
4901 {
4902         int                     i;
4903         struct key              *kp;
4904
4905         mod_key = mod;
4906         RB_FOREACH(kp, key_tree, &keys)
4907                 if (kp->mod & ShiftMask)
4908                         kp->mod = mod | ShiftMask;
4909                 else
4910                         kp->mod = mod;
4911
4912         for (i = 0; i < LENGTH(buttons); i++)
4913                 if (buttons[i].mask & ShiftMask)
4914                         buttons[i].mask = mod | ShiftMask;
4915                 else
4916                         buttons[i].mask = mod;
4917 }
4918
4919 /* spawn */
4920 struct spawn_prog {
4921         TAILQ_ENTRY(spawn_prog) entry;
4922         char                    *name;
4923         int                     argc;
4924         char                    **argv;
4925 };
4926 TAILQ_HEAD(spawn_list, spawn_prog);
4927 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4928
4929 int
4930 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4931     char ***ret_args)
4932 {
4933         struct spawn_prog       *prog = NULL;
4934         int                     i;
4935         char                    *ap, **real_args;
4936
4937         /* suppress unused warning since var is needed */
4938         (void)args;
4939
4940         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4941
4942         /* find program */
4943         TAILQ_FOREACH(prog, &spawns, entry) {
4944                 if (!strcasecmp(spawn_name, prog->name))
4945                         break;
4946         }
4947         if (prog == NULL) {
4948                 warnx("spawn_custom: program %s not found", spawn_name);
4949                 return (-1);
4950         }
4951
4952         /* make room for expanded args */
4953         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4954                 err(1, "spawn_custom: calloc real_args");
4955
4956         /* expand spawn_args into real_args */
4957         for (i = 0; i < prog->argc; i++) {
4958                 ap = prog->argv[i];
4959                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4960                 if (!strcasecmp(ap, "$bar_border")) {
4961                         if ((real_args[i] =
4962                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4963                             == NULL)
4964                                 err(1,  "spawn_custom border color");
4965                 } else if (!strcasecmp(ap, "$bar_color")) {
4966                         if ((real_args[i] =
4967                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4968                             == NULL)
4969                                 err(1, "spawn_custom bar color");
4970                 } else if (!strcasecmp(ap, "$bar_font")) {
4971                         if ((real_args[i] = strdup(bar_fonts))
4972                             == NULL)
4973                                 err(1, "spawn_custom bar fonts");
4974                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4975                         if ((real_args[i] =
4976                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4977                             == NULL)
4978                                 err(1, "spawn_custom color font");
4979                 } else if (!strcasecmp(ap, "$color_focus")) {
4980                         if ((real_args[i] =
4981                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4982                             == NULL)
4983                                 err(1, "spawn_custom color focus");
4984                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4985                         if ((real_args[i] =
4986                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4987                             == NULL)
4988                                 err(1, "spawn_custom color unfocus");
4989                 } else {
4990                         /* no match --> copy as is */
4991                         if ((real_args[i] = strdup(ap)) == NULL)
4992                                 err(1, "spawn_custom strdup(ap)");
4993                 }
4994                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4995                     real_args[i]);
4996         }
4997
4998 #ifdef SWM_DEBUG
4999         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5000         for (i = 0; i < prog->argc; i++)
5001                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5002         DNPRINTF(SWM_D_SPAWN, "\n");
5003 #endif
5004         *ret_args = real_args;
5005         return (prog->argc);
5006 }
5007
5008 void
5009 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
5010 {
5011         union arg               a;
5012         char                    **real_args;
5013         int                     spawn_argc, i;
5014
5015         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5016                 return;
5017         a.argv = real_args;
5018         if (fork() == 0)
5019                 spawn(r->ws->idx, &a, 1);
5020
5021         for (i = 0; i < spawn_argc; i++)
5022                 free(real_args[i]);
5023         free(real_args);
5024 }
5025
5026 void
5027 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
5028 {
5029         union arg               a;
5030         char                    **real_args;
5031         int                     i, spawn_argc;
5032
5033         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5034                 return;
5035         a.argv = real_args;
5036
5037         if (pipe(select_list_pipe) == -1)
5038                 err(1, "pipe error");
5039         if (pipe(select_resp_pipe) == -1)
5040                 err(1, "pipe error");
5041
5042         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5043                 err(1, "could not disable SIGPIPE");
5044         switch (*pid = fork()) {
5045         case -1:
5046                 err(1, "cannot fork");
5047                 break;
5048         case 0: /* child */
5049                 if (dup2(select_list_pipe[0], 0) == -1)
5050                         err(1, "dup2");
5051                 if (dup2(select_resp_pipe[1], 1) == -1)
5052                         err(1, "dup2");
5053                 close(select_list_pipe[1]);
5054                 close(select_resp_pipe[0]);
5055                 spawn(r->ws->idx, &a, 0);
5056                 break;
5057         default: /* parent */
5058                 close(select_list_pipe[0]);
5059                 close(select_resp_pipe[1]);
5060                 break;
5061         }
5062
5063         for (i = 0; i < spawn_argc; i++)
5064                 free(real_args[i]);
5065         free(real_args);
5066 }
5067
5068 void
5069 spawn_insert(char *name, char *args)
5070 {
5071         char                    *arg, *cp, *ptr;
5072         struct spawn_prog       *sp;
5073
5074         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5075
5076         if ((sp = calloc(1, sizeof *sp)) == NULL)
5077                 err(1, "spawn_insert: calloc");
5078         if ((sp->name = strdup(name)) == NULL)
5079                 err(1, "spawn_insert: strdup");
5080
5081         /* convert the arguments to an argument list */
5082         if ((ptr = cp = strdup(args)) == NULL)
5083                 err(1, "spawn_insert: strdup");
5084         while ((arg = strsep(&ptr, " \t")) != NULL) {
5085                 /* empty field; skip it */
5086                 if (*arg == '\0')
5087                         continue;
5088
5089                 sp->argc++;
5090                 if ((sp->argv = realloc(sp->argv, sp->argc *
5091                     sizeof *sp->argv)) == NULL)
5092                         err(1, "spawn_insert: realloc");
5093                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5094                         err(1, "spawn_insert: strdup");
5095         }
5096         free(cp);
5097
5098         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5099         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5100 }
5101
5102 void
5103 spawn_remove(struct spawn_prog *sp)
5104 {
5105         int                     i;
5106
5107         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5108
5109         TAILQ_REMOVE(&spawns, sp, entry);
5110         for (i = 0; i < sp->argc; i++)
5111                 free(sp->argv[i]);
5112         free(sp->argv);
5113         free(sp->name);
5114         free(sp);
5115
5116         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5117 }
5118
5119 void
5120 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5121 {
5122         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5123
5124         spawn_remove(sp);
5125         spawn_insert(name, args);
5126
5127         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5128 }
5129
5130 void
5131 setspawn(char *name, char *args)
5132 {
5133         struct spawn_prog       *sp;
5134
5135         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5136
5137         if (name == NULL)
5138                 return;
5139
5140         TAILQ_FOREACH(sp, &spawns, entry) {
5141                 if (!strcmp(sp->name, name)) {
5142                         if (*args == '\0')
5143                                 spawn_remove(sp);
5144                         else
5145                                 spawn_replace(sp, name, args);
5146                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5147                         return;
5148                 }
5149         }
5150         if (*args == '\0') {
5151                 warnx("error: setspawn: cannot find program: %s", name);
5152                 return;
5153         }
5154
5155         spawn_insert(name, args);
5156         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5157 }
5158
5159 int
5160 setconfspawn(char *selector, char *value, int flags)
5161 {
5162         char *args;
5163
5164         /* suppress unused warning since var is needed */
5165         (void)flags;
5166
5167         args = expand_tilde(value);
5168
5169         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
5170
5171         setspawn(selector, args);
5172         free(args);
5173
5174         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5175         return (0);
5176 }
5177
5178 void
5179 setup_spawn(void)
5180 {
5181         setconfspawn("term",            "xterm",                0);
5182         setconfspawn("spawn_term",      "xterm",                0);
5183         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5184         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5185         setconfspawn("lock",            "xlock",                0);
5186         setconfspawn("initscr",         "initscreen.sh",        0);
5187         setconfspawn("menu",            "dmenu_run"
5188                                         " -fn $bar_font"
5189                                         " -nb $bar_color"
5190                                         " -nf $bar_font_color"
5191                                         " -sb $bar_border"
5192                                         " -sf $bar_color",      0);
5193         setconfspawn("search",          "dmenu"
5194                                         " -i"
5195                                         " -fn $bar_font"
5196                                         " -nb $bar_color"
5197                                         " -nf $bar_font_color"
5198                                         " -sb $bar_border"
5199                                         " -sf $bar_color",      0);
5200         setconfspawn("name_workspace",  "dmenu"
5201                                         " -p Workspace"
5202                                         " -fn $bar_font"
5203                                         " -nb $bar_color"
5204                                         " -nf $bar_font_color"
5205                                         " -sb $bar_border"
5206                                         " -sf $bar_color",      0);
5207 }
5208
5209 /* key bindings */
5210 #define SWM_MODNAME_SIZE        32
5211 #define SWM_KEY_WS              "\n+ \t"
5212 int
5213 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5214 {
5215         char                    *cp, *name;
5216         KeySym                  uks;
5217         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5218         if (mod == NULL || ks == NULL) {
5219                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5220                 return (1);
5221         }
5222         if (keystr == NULL || strlen(keystr) == 0) {
5223                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5224                 return (1);
5225         }
5226         cp = keystr;
5227         *ks = XCB_NO_SYMBOL;
5228         *mod = 0;
5229         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5230                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5231                 if (cp)
5232                         cp += (long)strspn(cp, SWM_KEY_WS);
5233                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5234                         *mod |= currmod;
5235                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5236                         *mod |= Mod1Mask;
5237                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5238                         *mod += Mod2Mask;
5239                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5240                         *mod |= Mod3Mask;
5241                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5242                         *mod |= Mod4Mask;
5243                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5244                         *mod |= ShiftMask;
5245                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5246                         *mod |= ControlMask;
5247                 else {
5248                         *ks = XStringToKeysym(name);
5249                         XConvertCase(*ks, ks, &uks);
5250                         if (ks == XCB_NO_SYMBOL) {
5251                                 DNPRINTF(SWM_D_KEY,
5252                                     "parsekeys: invalid key %s\n",
5253                                     name);
5254                                 return (1);
5255                         }
5256                 }
5257         }
5258         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5259         return (0);
5260 }
5261
5262 char *
5263 strdupsafe(char *str)
5264 {
5265         if (str == NULL)
5266                 return (NULL);
5267         else
5268                 return (strdup(str));
5269 }
5270
5271 void
5272 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5273 {
5274         struct key              *kp;
5275
5276         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5277             keyfuncs[kfid].name, spawn_name);
5278
5279         if ((kp = malloc(sizeof *kp)) == NULL)
5280                 err(1, "key_insert: malloc");
5281
5282         kp->mod = mod;
5283         kp->keysym = ks;
5284         kp->funcid = kfid;
5285         kp->spawn_name = strdupsafe(spawn_name);
5286         RB_INSERT(key_tree, &keys, kp);
5287
5288         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5289 }
5290
5291 struct key *
5292 key_lookup(unsigned int mod, KeySym ks)
5293 {
5294         struct key              kp;
5295
5296         kp.keysym = ks;
5297         kp.mod = mod;
5298
5299         return (RB_FIND(key_tree, &keys, &kp));
5300 }
5301
5302 void
5303 key_remove(struct key *kp)
5304 {
5305         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5306
5307         RB_REMOVE(key_tree, &keys, kp);
5308         free(kp->spawn_name);
5309         free(kp);
5310
5311         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5312 }
5313
5314 void
5315 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5316     char *spawn_name)
5317 {
5318         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5319             spawn_name);
5320
5321         key_remove(kp);
5322         key_insert(mod, ks, kfid, spawn_name);
5323
5324         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5325 }
5326
5327 void
5328 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5329     char *spawn_name)
5330 {
5331         struct key              *kp;
5332
5333         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5334             keyfuncs[kfid].name, spawn_name);
5335
5336         if ((kp = key_lookup(mod, ks)) != NULL) {
5337                 if (kfid == KF_INVALID)
5338                         key_remove(kp);
5339                 else
5340                         key_replace(kp, mod, ks, kfid, spawn_name);
5341                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5342                 return;
5343         }
5344         if (kfid == KF_INVALID) {
5345                 warnx("error: setkeybinding: cannot find mod/key combination");
5346                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5347                 return;
5348         }
5349
5350         key_insert(mod, ks, kfid, spawn_name);
5351         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5352 }
5353
5354 int
5355 setconfbinding(char *selector, char *value, int flags)
5356 {
5357         enum keyfuncid          kfid;
5358         unsigned int            mod;
5359         KeySym                  ks;
5360         struct spawn_prog       *sp;
5361
5362         /* suppress unused warning since var is needed */
5363         (void)flags;
5364
5365         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5366         if (selector == NULL) {
5367                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5368                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5369                         kfid = KF_INVALID;
5370                         setkeybinding(mod, ks, kfid, NULL);
5371                         return (0);
5372                 } else
5373                         return (1);
5374         }
5375         /* search by key function name */
5376         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5377                 if (strncasecmp(selector, keyfuncs[kfid].name,
5378                     SWM_FUNCNAME_LEN) == 0) {
5379                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5380                             selector);
5381                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5382                                 setkeybinding(mod, ks, kfid, NULL);
5383                                 return (0);
5384                         } else
5385                                 return (1);
5386                 }
5387         }
5388         /* search by custom spawn name */
5389         TAILQ_FOREACH(sp, &spawns, entry) {
5390                 if (strcasecmp(selector, sp->name) == 0) {
5391                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5392                             selector);
5393                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5394                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5395                                     sp->name);
5396                                 return (0);
5397                         } else
5398                                 return (1);
5399                 }
5400         }
5401         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5402         return (1);
5403 }
5404
5405 void
5406 setup_keys(void)
5407 {
5408         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5409         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5410         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5411         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5412         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5413         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5414         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5415         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5416         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5417         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5418         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5419         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5420         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5421         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5422         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5423         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5424         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5425         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5426         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5427         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5428         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5429         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5430         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5431         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5432         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5433         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5434         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5435         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5436         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5437         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5438         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5439         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5440         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5441         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5442         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5443         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5444         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5445         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5446         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5447         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5448         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5449         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5450         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5451         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5452         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5453         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5454         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5455         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5456         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5457         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5458         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5459         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5460         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5461         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5462         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5463         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5464         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5465         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5466         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5467         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5468         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5469         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5470         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5471         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5472         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5473         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5474         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5475         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5476         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5477         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5478         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5479         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5480         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5481         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5482         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5483         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5484         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5485         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5486         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5487         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5488         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5489         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5490         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5491         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5492         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5493         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5494         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5495         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5496         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5497         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5498         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5499         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5500         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5501         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5502         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5503         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5504 #ifdef SWM_DEBUG
5505         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5506 #endif
5507 }
5508
5509 void
5510 clear_keys(void)
5511 {
5512         struct key              *kp;
5513
5514         while (RB_EMPTY(&keys) == 0) {
5515                 kp = RB_ROOT(&keys);
5516                 key_remove(kp);
5517         }
5518 }
5519
5520 int
5521 setkeymapping(char *selector, char *value, int flags)
5522 {
5523         char                    keymapping_file[PATH_MAX];
5524
5525         /* suppress unused warnings since vars are needed */
5526         (void)selector;
5527         (void)flags;
5528
5529         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5530         if (value[0] == '~')
5531                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5532                     pwd->pw_dir, &value[1]);
5533         else
5534                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5535         clear_keys();
5536         /* load new key bindings; if it fails, revert to default bindings */
5537         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5538                 clear_keys();
5539                 setup_keys();
5540         }
5541         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5542         return (0);
5543 }
5544
5545 void
5546 updatenumlockmask(void)
5547 {
5548         unsigned int                            i, j;
5549         xcb_get_modifier_mapping_reply_t        *modmap_r;
5550         xcb_keycode_t                           *modmap, kc, *keycode;
5551
5552         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5553         numlockmask = 0;
5554
5555         modmap_r = xcb_get_modifier_mapping_reply(conn,
5556             xcb_get_modifier_mapping(conn),
5557             NULL);
5558         if (modmap_r) {
5559                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5560                 for (i = 0; i < 8; i++) {
5561                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5562                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5563                                     + j];
5564                                 keycode = xcb_key_symbols_get_keycode(syms,
5565                                                 XK_Num_Lock);
5566                                 if (kc == *keycode)
5567                                         numlockmask = (1 << i);
5568                                 free(keycode);
5569                         }
5570                 }
5571                 free(modmap_r);
5572         }
5573 }
5574
5575 void
5576 grabkeys(void)
5577 {
5578         int                     num_screens, k;
5579         unsigned int            j;
5580         xcb_keycode_t           *code;
5581         unsigned int            modifiers[] =
5582             { 0, LockMask, numlockmask, numlockmask | LockMask };
5583         struct key              *kp;
5584
5585         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5586         updatenumlockmask();
5587
5588         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5589         for (k = 0; k < num_screens; k++) {
5590                 if (TAILQ_EMPTY(&screens[k].rl))
5591                         continue;
5592                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5593                         XCB_MOD_MASK_ANY);
5594                 RB_FOREACH(kp, key_tree, &keys) {
5595                         if ((code = xcb_key_symbols_get_keycode(syms,
5596                                         kp->keysym)))
5597                                 for (j = 0; j < LENGTH(modifiers); j++)
5598                                         xcb_grab_key(conn, 1,
5599                                             screens[k].root,
5600                                             kp->mod | modifiers[j],
5601                                             *code, XCB_GRAB_MODE_ASYNC,
5602                                             XCB_GRAB_MODE_ASYNC);
5603                                 free(code);
5604                 }
5605         }
5606 }
5607
5608 void
5609 grabbuttons(struct ws_win *win, int focused)
5610 {
5611         unsigned int            i, j;
5612         unsigned int            modifiers[] =
5613             { 0, LockMask, numlockmask, numlockmask|LockMask };
5614
5615         updatenumlockmask();
5616         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5617             XCB_BUTTON_MASK_ANY);
5618         if (focused) {
5619                 for (i = 0; i < LENGTH(buttons); i++)
5620                         if (buttons[i].action == client_click)
5621                                 for (j = 0; j < LENGTH(modifiers); j++)
5622                                         xcb_grab_button(conn, 0, win->id,
5623                                             BUTTONMASK,
5624                                             XCB_GRAB_MODE_ASYNC,
5625                                             XCB_GRAB_MODE_SYNC,
5626                                             XCB_WINDOW_NONE,
5627                                             XCB_CURSOR_NONE,
5628                                             buttons[i].button,
5629                                             buttons[i].mask);
5630         } else
5631                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
5632                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5633                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5634 }
5635
5636 const char *quirkname[] = {
5637         "NONE",         /* config string for "no value" */
5638         "FLOAT",
5639         "TRANSSZ",
5640         "ANYWHERE",
5641         "XTERM_FONTADJ",
5642         "FULLSCREEN",
5643         "FOCUSPREV",
5644 };
5645
5646 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5647 #define SWM_Q_WS                "\n|+ \t"
5648 int
5649 parsequirks(char *qstr, unsigned long *quirk)
5650 {
5651         char                    *cp, *name;
5652         int                     i;
5653
5654         if (quirk == NULL)
5655                 return (1);
5656
5657         cp = qstr;
5658         *quirk = 0;
5659         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5660                 if (cp)
5661                         cp += (long)strspn(cp, SWM_Q_WS);
5662                 for (i = 0; i < LENGTH(quirkname); i++) {
5663                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5664                                 DNPRINTF(SWM_D_QUIRK,
5665                                     "parsequirks: %s\n", name);
5666                                 if (i == 0) {
5667                                         *quirk = 0;
5668                                         return (0);
5669                                 }
5670                                 *quirk |= 1 << (i-1);
5671                                 break;
5672                         }
5673                 }
5674                 if (i >= LENGTH(quirkname)) {
5675                         DNPRINTF(SWM_D_QUIRK,
5676                             "parsequirks: invalid quirk [%s]\n", name);
5677                         return (1);
5678                 }
5679         }
5680         return (0);
5681 }
5682
5683 void
5684 quirk_insert(const char *class, const char *name, unsigned long quirk)
5685 {
5686         struct quirk            *qp;
5687
5688         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5689             quirk);
5690
5691         if ((qp = malloc(sizeof *qp)) == NULL)
5692                 err(1, "quirk_insert: malloc");
5693         if ((qp->class = strdup(class)) == NULL)
5694                 err(1, "quirk_insert: strdup");
5695         if ((qp->name = strdup(name)) == NULL)
5696                 err(1, "quirk_insert: strdup");
5697
5698         qp->quirk = quirk;
5699         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5700
5701         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5702 }
5703
5704 void
5705 quirk_remove(struct quirk *qp)
5706 {
5707         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5708             qp->name, qp->quirk);
5709
5710         TAILQ_REMOVE(&quirks, qp, entry);
5711         free(qp->class);
5712         free(qp->name);
5713         free(qp);
5714
5715         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5716 }
5717
5718 void
5719 quirk_replace(struct quirk *qp, const char *class, const char *name,
5720     unsigned long quirk)
5721 {
5722         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5723             qp->name, qp->quirk);
5724
5725         quirk_remove(qp);
5726         quirk_insert(class, name, quirk);
5727
5728         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5729 }
5730
5731 void
5732 setquirk(const char *class, const char *name, unsigned long quirk)
5733 {
5734         struct quirk            *qp;
5735
5736         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5737            quirk);
5738
5739         TAILQ_FOREACH(qp, &quirks, entry) {
5740                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5741                         if (!quirk)
5742                                 quirk_remove(qp);
5743                         else
5744                                 quirk_replace(qp, class, name, quirk);
5745                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5746                         return;
5747                 }
5748         }
5749         if (!quirk) {
5750                 warnx("error: setquirk: cannot find class/name combination");
5751                 return;
5752         }
5753
5754         quirk_insert(class, name, quirk);
5755         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5756 }
5757
5758 int
5759 setconfquirk(char *selector, char *value, int flags)
5760 {
5761         char                    *cp, *class, *name;
5762         int                     retval;
5763         unsigned long           quirks;
5764
5765         /* suppress unused warning since var is needed */
5766         (void)flags;
5767
5768         if (selector == NULL)
5769                 return (0);
5770         if ((cp = strchr(selector, ':')) == NULL)
5771                 return (0);
5772         *cp = '\0';
5773         class = selector;
5774         name = cp + 1;
5775         if ((retval = parsequirks(value, &quirks)) == 0)
5776                 setquirk(class, name, quirks);
5777         return (retval);
5778 }
5779
5780 void
5781 setup_quirks(void)
5782 {
5783         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5784         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5785         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5786         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5787         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5788         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5789         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5790         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5791         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5792         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5793         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5794         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5795         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5796 }
5797
5798 /* conf file stuff */
5799 #define SWM_CONF_FILE           "spectrwm.conf"
5800 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5801
5802 enum {
5803         SWM_S_BAR_ACTION,
5804         SWM_S_BAR_AT_BOTTOM,
5805         SWM_S_BAR_BORDER_WIDTH,
5806         SWM_S_BAR_DELAY,
5807         SWM_S_BAR_ENABLED,
5808         SWM_S_BAR_FONT,
5809         SWM_S_BAR_FORMAT,
5810         SWM_S_BAR_JUSTIFY,
5811         SWM_S_BORDER_WIDTH,
5812         SWM_S_CLOCK_ENABLED,
5813         SWM_S_CLOCK_FORMAT,
5814         SWM_S_CYCLE_EMPTY,
5815         SWM_S_CYCLE_VISIBLE,
5816         SWM_S_DIALOG_RATIO,
5817         SWM_S_DISABLE_BORDER,
5818         SWM_S_FOCUS_CLOSE,
5819         SWM_S_FOCUS_CLOSE_WRAP,
5820         SWM_S_FOCUS_DEFAULT,
5821         SWM_S_FOCUS_MODE,
5822         SWM_S_SPAWN_ORDER,
5823         SWM_S_SPAWN_TERM,
5824         SWM_S_SS_APP,
5825         SWM_S_SS_ENABLED,
5826         SWM_S_STACK_ENABLED,
5827         SWM_S_TERM_WIDTH,
5828         SWM_S_TITLE_CLASS_ENABLED,
5829         SWM_S_TITLE_NAME_ENABLED,
5830         SWM_S_URGENT_ENABLED,
5831         SWM_S_VERBOSE_LAYOUT,
5832         SWM_S_WINDOW_NAME_ENABLED,
5833         SWM_S_WORKSPACE_LIMIT
5834 };
5835
5836 int
5837 setconfvalue(char *selector, char *value, int flags)
5838 {
5839         int     i;
5840         char    *b;
5841
5842         /* suppress unused warning since var is needed */
5843         (void)selector;
5844
5845         switch (flags) {
5846         case SWM_S_BAR_ACTION:
5847                 free(bar_argv[0]);
5848                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
5849                         err(1, "setconfvalue: bar_action");
5850                 break;
5851         case SWM_S_BAR_AT_BOTTOM:
5852                 bar_at_bottom = atoi(value);
5853                 break;
5854         case SWM_S_BAR_BORDER_WIDTH:
5855                 bar_border_width = atoi(value);
5856                 if (bar_border_width < 0)
5857                         bar_border_width = 0;
5858                 break;
5859         case SWM_S_BAR_DELAY:
5860                 bar_delay = atoi(value);
5861                 break;
5862         case SWM_S_BAR_ENABLED:
5863                 bar_enabled = atoi(value);
5864                 break;
5865         case SWM_S_BAR_FONT:
5866                 b = bar_fonts;
5867                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5868                         err(1, "setconfvalue: asprintf: failed to allocate "
5869                                 "memory for bar_fonts.");
5870                 free(b);
5871                 break;
5872         case SWM_S_BAR_FORMAT:
5873                 free(bar_format);
5874                 if ((bar_format = strdup(value)) == NULL)
5875                         err(1, "setconfvalue: bar_format");
5876                 break;
5877         case SWM_S_BAR_JUSTIFY:
5878                 if (!strcmp(value, "left"))
5879                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5880                 else if (!strcmp(value, "center"))
5881                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5882                 else if (!strcmp(value, "right"))
5883                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5884                 else
5885                         errx(1, "invalid bar_justify");
5886                 break;
5887         case SWM_S_BORDER_WIDTH:
5888                 border_width = atoi(value);
5889                 if (border_width < 0)
5890                         border_width = 0;
5891                 break;
5892         case SWM_S_CLOCK_ENABLED:
5893                 clock_enabled = atoi(value);
5894                 break;
5895         case SWM_S_CLOCK_FORMAT:
5896 #ifndef SWM_DENY_CLOCK_FORMAT
5897                 free(clock_format);
5898                 if ((clock_format = strdup(value)) == NULL)
5899                         err(1, "setconfvalue: clock_format");
5900 #endif
5901                 break;
5902         case SWM_S_CYCLE_EMPTY:
5903                 cycle_empty = atoi(value);
5904                 break;
5905         case SWM_S_CYCLE_VISIBLE:
5906                 cycle_visible = atoi(value);
5907                 break;
5908         case SWM_S_DIALOG_RATIO:
5909                 dialog_ratio = atof(value);
5910                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5911                         dialog_ratio = .6;
5912                 break;
5913         case SWM_S_DISABLE_BORDER:
5914                 disable_border = atoi(value);
5915                 break;
5916         case SWM_S_FOCUS_CLOSE:
5917                 if (!strcmp(value, "first"))
5918                         focus_close = SWM_STACK_BOTTOM;
5919                 else if (!strcmp(value, "last"))
5920                         focus_close = SWM_STACK_TOP;
5921                 else if (!strcmp(value, "next"))
5922                         focus_close = SWM_STACK_ABOVE;
5923                 else if (!strcmp(value, "previous"))
5924                         focus_close = SWM_STACK_BELOW;
5925                 else
5926                         errx(1, "focus_close");
5927                 break;
5928         case SWM_S_FOCUS_CLOSE_WRAP:
5929                 focus_close_wrap = atoi(value);
5930                 break;
5931         case SWM_S_FOCUS_DEFAULT:
5932                 if (!strcmp(value, "last"))
5933                         focus_default = SWM_STACK_TOP;
5934                 else if (!strcmp(value, "first"))
5935                         focus_default = SWM_STACK_BOTTOM;
5936                 else
5937                         errx(1, "focus_default");
5938                 break;
5939         case SWM_S_FOCUS_MODE:
5940                 if (!strcmp(value, "default"))
5941                         focus_mode = SWM_FOCUS_DEFAULT;
5942                 else if (!strcmp(value, "follow_cursor"))
5943                         focus_mode = SWM_FOCUS_FOLLOW;
5944                 else if (!strcmp(value, "synergy"))
5945                         focus_mode = SWM_FOCUS_SYNERGY;
5946                 else
5947                         errx(1, "focus_mode");
5948                 break;
5949         case SWM_S_SPAWN_ORDER:
5950                 if (!strcmp(value, "first"))
5951                         spawn_position = SWM_STACK_BOTTOM;
5952                 else if (!strcmp(value, "last"))
5953                         spawn_position = SWM_STACK_TOP;
5954                 else if (!strcmp(value, "next"))
5955                         spawn_position = SWM_STACK_ABOVE;
5956                 else if (!strcmp(value, "previous"))
5957                         spawn_position = SWM_STACK_BELOW;
5958                 else
5959                         errx(1, "spawn_position");
5960                 break;
5961         case SWM_S_SPAWN_TERM:
5962                 setconfspawn("term", value, 0);
5963                 setconfspawn("spawn_term", value, 0);
5964                 break;
5965         case SWM_S_SS_APP:
5966                 break;
5967         case SWM_S_SS_ENABLED:
5968                 ss_enabled = atoi(value);
5969                 break;
5970         case SWM_S_STACK_ENABLED:
5971                 stack_enabled = atoi(value);
5972                 break;
5973         case SWM_S_TERM_WIDTH:
5974                 term_width = atoi(value);
5975                 if (term_width < 0)
5976                         term_width = 0;
5977                 break;
5978         case SWM_S_TITLE_CLASS_ENABLED:
5979                 title_class_enabled = atoi(value);
5980                 break;
5981         case SWM_S_TITLE_NAME_ENABLED:
5982                 title_name_enabled = atoi(value);
5983                 break;
5984         case SWM_S_URGENT_ENABLED:
5985                 urgent_enabled = atoi(value);
5986                 break;
5987         case SWM_S_VERBOSE_LAYOUT:
5988                 verbose_layout = atoi(value);
5989                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5990                         if (verbose_layout)
5991                                 layouts[i].l_string = fancy_stacker;
5992                         else
5993                                 layouts[i].l_string = plain_stacker;
5994                 }
5995                 break;
5996         case SWM_S_WINDOW_NAME_ENABLED:
5997                 window_name_enabled = atoi(value);
5998                 break;
5999         case SWM_S_WORKSPACE_LIMIT:
6000                 workspace_limit = atoi(value);
6001                 if (workspace_limit > SWM_WS_MAX)
6002                         workspace_limit = SWM_WS_MAX;
6003                 else if (workspace_limit < 1)
6004                         workspace_limit = 1;
6005                 break;
6006         default:
6007                 return (1);
6008         }
6009         return (0);
6010 }
6011
6012 int
6013 setconfmodkey(char *selector, char *value, int flags)
6014 {
6015         /* suppress unused warnings since vars are needed */
6016         (void)selector;
6017         (void)flags;
6018
6019         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6020                 update_modkey(Mod1Mask);
6021         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6022                 update_modkey(Mod2Mask);
6023         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6024                 update_modkey(Mod3Mask);
6025         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6026                 update_modkey(Mod4Mask);
6027         else
6028                 return (1);
6029         return (0);
6030 }
6031
6032 int
6033 setconfcolor(char *selector, char *value, int flags)
6034 {
6035         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6036         return (0);
6037 }
6038
6039 int
6040 setconfregion(char *selector, char *value, int flags)
6041 {
6042         /* suppress unused warnings since vars are needed */
6043         (void)selector;
6044         (void)flags;
6045
6046         custom_region(value);
6047         return (0);
6048 }
6049
6050 int
6051 setautorun(char *selector, char *value, int flags)
6052 {
6053         int                     ws_id;
6054         char                    s[1024];
6055         char                    *ap, *sp = s;
6056         union arg               a;
6057         int                     argc = 0;
6058         pid_t                   pid;
6059         struct pid_e            *p;
6060
6061         /* suppress unused warnings since vars are needed */
6062         (void)selector;
6063         (void)flags;
6064
6065         if (getenv("SWM_STARTED"))
6066                 return (0);
6067
6068         bzero(s, sizeof s);
6069         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6070                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6071         ws_id--;
6072         if (ws_id < 0 || ws_id >= workspace_limit)
6073                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6074
6075         /*
6076          * This is a little intricate
6077          *
6078          * If the pid already exists we simply reuse it because it means it was
6079          * used before AND not claimed by manage_window.  We get away with
6080          * altering it in the parent after INSERT because this can not be a race
6081          */
6082         a.argv = NULL;
6083         while ((ap = strsep(&sp, " \t")) != NULL) {
6084                 if (*ap == '\0')
6085                         continue;
6086                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6087                 argc++;
6088                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6089                         err(1, "setautorun: realloc");
6090                 a.argv[argc - 1] = ap;
6091         }
6092
6093         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6094                 err(1, "setautorun: realloc");
6095         a.argv[argc] = NULL;
6096
6097         if ((pid = fork()) == 0) {
6098                 spawn(ws_id, &a, 1);
6099                 /* NOTREACHED */
6100                 _exit(1);
6101         }
6102         free(a.argv);
6103
6104         /* parent */
6105         p = find_pid(pid);
6106         if (p == NULL) {
6107                 p = calloc(1, sizeof *p);
6108                 if (p == NULL)
6109                         return (1);
6110                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6111         }
6112
6113         p->pid = pid;
6114         p->ws = ws_id;
6115
6116         return (0);
6117 }
6118
6119 int
6120 setlayout(char *selector, char *value, int flags)
6121 {
6122         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6123         int                     st = SWM_V_STACK, num_screens;
6124         char                    s[1024];
6125         struct workspace        *ws;
6126
6127         /* suppress unused warnings since vars are needed */
6128         (void)selector;
6129         (void)flags;
6130
6131         if (getenv("SWM_STARTED"))
6132                 return (0);
6133
6134         bzero(s, sizeof s);
6135         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6136             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6137                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6138                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6139                     "<type>'");
6140         ws_id--;
6141         if (ws_id < 0 || ws_id >= workspace_limit)
6142                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6143
6144         if (!strcasecmp(s, "vertical"))
6145                 st = SWM_V_STACK;
6146         else if (!strcasecmp(s, "vertical_flip")) {
6147                 st = SWM_V_STACK;
6148                 f = 1;
6149         } else if (!strcasecmp(s, "horizontal"))
6150                 st = SWM_H_STACK;
6151         else if (!strcasecmp(s, "horizontal_flip")) {
6152                 st = SWM_H_STACK;
6153                 f = 1;
6154         } else if (!strcasecmp(s, "fullscreen"))
6155                 st = SWM_MAX_STACK;
6156         else
6157                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6158                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6159                     "<type>'");
6160
6161         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6162         for (i = 0; i < num_screens; i++) {
6163                 ws = (struct workspace *)&screens[i].ws;
6164                 ws[ws_id].cur_layout = &layouts[st];
6165
6166                 ws[ws_id].always_raise = raise;
6167                 if (st == SWM_MAX_STACK)
6168                         continue;
6169
6170                 /* master grow */
6171                 for (x = 0; x < abs(mg); x++) {
6172                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6173                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6174                             SWM_ARG_ID_MASTERSHRINK);
6175                         stack();
6176                 }
6177                 /* master add */
6178                 for (x = 0; x < abs(ma); x++) {
6179                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6180                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6181                             SWM_ARG_ID_MASTERDEL);
6182                         stack();
6183                 }
6184                 /* stack inc */
6185                 for (x = 0; x < abs(si); x++) {
6186                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6187                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6188                             SWM_ARG_ID_STACKDEC);
6189                         stack();
6190                 }
6191                 /* Apply flip */
6192                 if (f) {
6193                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6194                             SWM_ARG_ID_FLIPLAYOUT);
6195                         stack();
6196                 }
6197         }
6198
6199         return (0);
6200 }
6201
6202 /* config options */
6203 struct config_option {
6204         char                    *optname;
6205         int                     (*func)(char*, char*, int);
6206         int                     funcflags;
6207 };
6208 struct config_option configopt[] = {
6209         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6210         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6211         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6212         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6213         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6214         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6215         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6216         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6217         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6218         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6219         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6220         { "keyboard_mapping",           setkeymapping,  0 },
6221         { "bind",                       setconfbinding, 0 },
6222         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6223         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6224         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6225         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6226         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6227         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6228         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6229         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6230         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6231         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6232         { "modkey",                     setconfmodkey,  0 },
6233         { "program",                    setconfspawn,   0 },
6234         { "quirk",                      setconfquirk,   0 },
6235         { "region",                     setconfregion,  0 },
6236         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6237         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6238         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6239         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6240         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6241         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6242         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6243         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6244         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6245         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6246         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6247         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6248         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6249         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6250         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6251         { "autorun",                    setautorun,     0 },
6252         { "layout",                     setlayout,      0 },
6253 };
6254
6255
6256 int
6257 conf_load(char *filename, int keymapping)
6258 {
6259         FILE                    *config;
6260         char                    *line, *cp, *optsub, *optval;
6261         size_t                  linelen, lineno = 0;
6262         int                     wordlen, i, optind;
6263         struct config_option    *opt;
6264
6265         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6266
6267         if (filename == NULL) {
6268                 warnx("conf_load: no filename");
6269                 return (1);
6270         }
6271         if ((config = fopen(filename, "r")) == NULL) {
6272                 warn("conf_load: fopen: %s", filename);
6273                 return (1);
6274         }
6275
6276         while (!feof(config)) {
6277                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6278                     == NULL) {
6279                         if (ferror(config))
6280                                 err(1, "%s", filename);
6281                         else
6282                                 continue;
6283                 }
6284                 cp = line;
6285                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6286                 if (cp[0] == '\0') {
6287                         /* empty line */
6288                         free(line);
6289                         continue;
6290                 }
6291                 /* get config option */
6292                 wordlen = strcspn(cp, "=[ \t\n");
6293                 if (wordlen == 0) {
6294                         warnx("%s: line %zd: no option found",
6295                             filename, lineno);
6296                         goto out;
6297                 }
6298                 optind = -1;
6299                 for (i = 0; i < LENGTH(configopt); i++) {
6300                         opt = &configopt[i];
6301                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6302                             (int)strlen(opt->optname) == wordlen) {
6303                                 optind = i;
6304                                 break;
6305                         }
6306                 }
6307                 if (optind == -1) {
6308                         warnx("%s: line %zd: unknown option %.*s",
6309                             filename, lineno, wordlen, cp);
6310                         goto out;
6311                 }
6312                 if (keymapping && strcmp(opt->optname, "bind")) {
6313                         warnx("%s: line %zd: invalid option %.*s",
6314                             filename, lineno, wordlen, cp);
6315                         goto out;
6316                 }
6317                 cp += wordlen;
6318                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6319                 /* get [selector] if any */
6320                 optsub = NULL;
6321                 if (*cp == '[') {
6322                         cp++;
6323                         wordlen = strcspn(cp, "]");
6324                         if (*cp != ']') {
6325                                 if (wordlen == 0) {
6326                                         warnx("%s: line %zd: syntax error",
6327                                             filename, lineno);
6328                                         goto out;
6329                                 }
6330
6331                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6332                                     -1) {
6333                                         warnx("%s: line %zd: unable to allocate"
6334                                             "memory for selector", filename,
6335                                             lineno);
6336                                         goto out;
6337                                 }
6338                         }
6339                         cp += wordlen;
6340                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6341                 }
6342                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6343                 /* get RHS value */
6344                 optval = strdup(cp);
6345                 /* call function to deal with it all */
6346                 if (configopt[optind].func(optsub, optval,
6347                     configopt[optind].funcflags) != 0)
6348                         errx(1, "%s: line %zd: invalid data for %s",
6349                             filename, lineno, configopt[optind].optname);
6350                 free(optval);
6351                 free(optsub);
6352                 free(line);
6353         }
6354
6355         fclose(config);
6356         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6357
6358         return (0);
6359
6360 out:
6361         free(line);
6362         fclose(config);
6363         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6364
6365         return (1);
6366 }
6367
6368 void
6369 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6370 {
6371         struct ws_win           *parent, *w;
6372         struct swm_region       *r;
6373         struct workspace        *ws;
6374         xcb_icccm_wm_hints_t    wmh;
6375
6376         parent = find_window(win->transient);
6377         if (parent)
6378                 parent->child_trans = win;
6379         else {
6380                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6381                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6382
6383                 r = root_to_region(win->wa->root);
6384                 ws = r->ws;
6385                 /* parent doen't exist in our window list */
6386                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6387                         if (xcb_icccm_get_wm_hints_reply(conn,
6388                             xcb_icccm_get_wm_hints(conn, w->id),
6389                             &wmh, NULL) != 1) {
6390                                 warnx("can't get hints for 0x%x", w->id);
6391                                 continue;
6392                         }
6393
6394                         if (win->hints.window_group != wmh.window_group)
6395                                 continue;
6396
6397                         w->child_trans = win;
6398                         win->transient = w->id;
6399                         *trans = w->id;
6400                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6401                             "transient to 0x%x\n", win->transient);
6402                         break;
6403                 }
6404         }
6405 }
6406
6407 pid_t
6408 window_get_pid(xcb_window_t win)
6409 {
6410         pid_t                           ret = 0;
6411         const char                      *errstr;
6412         xcb_atom_t                      apid;
6413         xcb_get_property_cookie_t       pc;
6414         xcb_get_property_reply_t        *pr;
6415
6416         apid = get_atom_from_string("_NET_WM_PID");
6417         if (apid == XCB_ATOM_NONE)
6418                 goto tryharder;
6419
6420         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6421         pr = xcb_get_property_reply(conn, pc, NULL);
6422         if (!pr)
6423                 goto tryharder;
6424         if (pr->type != XCB_ATOM_CARDINAL) {
6425                 free(pr);
6426                 goto tryharder;
6427         }
6428
6429         if (pr->type == apid && pr->format == 32)
6430                 ret = *((pid_t *)xcb_get_property_value(pr));
6431         free(pr);
6432
6433         return (ret);
6434
6435 tryharder:
6436         apid = get_atom_from_string("_SWM_PID");
6437         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
6438             0, SWM_PROPLEN);
6439         pr = xcb_get_property_reply(conn, pc, NULL);
6440         if (!pr)
6441                 return (0);
6442         if (pr->type != apid) {
6443                 free(pr);
6444                 return (0);
6445         }
6446
6447         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6448         free(pr);
6449
6450         return (ret);
6451 }
6452
6453 int
6454 get_ws_idx(xcb_window_t id)
6455 {
6456         int                     ws_idx = -1;
6457         char                    *prop = NULL;
6458         size_t                  proplen;
6459         const char              *errstr;
6460         xcb_get_property_reply_t        *gpr;
6461
6462         gpr = xcb_get_property_reply(conn,
6463                 xcb_get_property(conn, 0, id, a_swm_ws,
6464                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
6465                 NULL);
6466         if (!gpr)
6467                 return (-1);
6468         if (gpr->type) {
6469                 proplen = xcb_get_property_value_length(gpr);
6470                 if (proplen > 0) {
6471                         prop = malloc(proplen + 1);
6472                         if (prop) {
6473                                 memcpy(prop,
6474                                     xcb_get_property_value(gpr),
6475                                     proplen);
6476                                 prop[proplen] = '\0';
6477                         }
6478                 }
6479         }
6480         free(gpr);
6481
6482         if (prop) {
6483                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
6484                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
6485                 if (errstr) {
6486                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
6487                             errstr, prop);
6488                 }
6489                 free(prop);
6490         }
6491
6492         return ws_idx;
6493 }
6494
6495 struct ws_win *
6496 manage_window(xcb_window_t id)
6497 {
6498         xcb_window_t            trans = XCB_WINDOW_NONE;
6499         struct workspace        *ws;
6500         struct ws_win           *win, *ww;
6501         int                     ws_idx, border_me = 0;
6502         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6503         struct swm_region       *r;
6504         struct pid_e            *p;
6505         struct quirk            *qp;
6506         uint32_t                event_mask, i;
6507         xcb_icccm_get_wm_protocols_reply_t      wpr;
6508         xcb_icccm_get_wm_class_reply_t          tmpch;
6509
6510         if ((win = find_window(id)) != NULL)
6511                 return (win);   /* already being managed */
6512
6513         /* see if we are on the unmanaged list */
6514         if ((win = find_unmanaged_window(id)) != NULL) {
6515                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6516                     "window: 0x%x\n", win->id);
6517                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6518                 if (win->transient)
6519                         set_child_transient(win, &trans);
6520
6521                 if (trans && (ww = find_window(trans)))
6522                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6523                 else if ((ww = win->ws->focus) &&
6524                     spawn_position == SWM_STACK_ABOVE)
6525                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6526                             win, entry);
6527                 else if (ww && spawn_position == SWM_STACK_BELOW)
6528                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6529                 else switch (spawn_position) {
6530                 default:
6531                 case SWM_STACK_TOP:
6532                 case SWM_STACK_ABOVE:
6533                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6534                         break;
6535                 case SWM_STACK_BOTTOM:
6536                 case SWM_STACK_BELOW:
6537                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6538                 }
6539
6540                 ewmh_update_actions(win);
6541                 return (win);
6542         }
6543
6544         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6545                 err(1, "manage_window: calloc: failed to allocate memory for "
6546                     "new window");
6547
6548         win->id = id;
6549         win->bordered = 0;
6550
6551         /* see if we need to override the workspace */
6552         p = find_pid(window_get_pid(id));
6553
6554         /* Get all the window data in one shot */
6555         ws_idx = get_ws_idx(id);
6556
6557         win->wa = xcb_get_geometry_reply(conn,
6558             xcb_get_geometry(conn, id),
6559             NULL);
6560         xcb_icccm_get_wm_normal_hints_reply(conn,
6561             xcb_icccm_get_wm_normal_hints(conn, id),
6562             &win->sh, NULL);
6563         xcb_icccm_get_wm_hints_reply(conn,
6564             xcb_icccm_get_wm_hints(conn, id),
6565             &win->hints, NULL);
6566         xcb_icccm_get_wm_transient_for_reply(conn,
6567             xcb_icccm_get_wm_transient_for(conn, id),
6568             &trans, NULL);
6569         if (trans) {
6570                 win->transient = trans;
6571                 set_child_transient(win, &trans);
6572                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6573                     "transient: 0x%x\n", win->id, win->transient);
6574         }
6575
6576         /* get supported protocols */
6577         if (xcb_icccm_get_wm_protocols_reply(conn,
6578             xcb_icccm_get_wm_protocols(conn, id, a_prot),
6579             &wpr, NULL)) {
6580                 for (i = 0; i < wpr.atoms_len; i++) {
6581                         if (wpr.atoms[i] == a_takefocus)
6582                                 win->take_focus = 1;
6583                         if (wpr.atoms[i] == a_delete)
6584                                 win->can_delete = 1;
6585                 }
6586                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6587         }
6588
6589         win->iconic = get_iconic(win);
6590
6591         /*
6592          * Figure out where to put the window. If it was previously assigned to
6593          * a workspace (either by spawn() or manually moving), and isn't
6594          * transient, * put it in the same workspace
6595          */
6596         r = root_to_region(win->wa->root);
6597         if (p) {
6598                 ws = &r->s->ws[p->ws];
6599                 TAILQ_REMOVE(&pidlist, p, entry);
6600                 free(p);
6601                 p = NULL;
6602         } else if (ws_idx != -1 && win->transient == 0) {
6603                 ws = &r->s->ws[ws_idx];
6604         } else {
6605                 ws = r->ws;
6606                 /* this should launch transients in the same ws as parent */
6607                 if (id && trans)
6608                         if ((ww = find_window(trans)) != NULL)
6609                                 if (ws->r) {
6610                                         ws = ww->ws;
6611                                         if (ww->ws->r)
6612                                                 r = ww->ws->r;
6613                                         else
6614                                                 warnx("manage_window: fix this "
6615                                                     "bug mcbride");
6616                                         border_me = 1;
6617                                 }
6618         }
6619
6620         /* set up the window layout */
6621         win->id = id;
6622         win->ws = ws;
6623         win->s = r->s;  /* this never changes */
6624         if (trans && (ww = find_window(trans)))
6625                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6626         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6627                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6628                     entry);
6629         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6630                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6631         else switch (spawn_position) {
6632         default:
6633         case SWM_STACK_TOP:
6634         case SWM_STACK_ABOVE:
6635                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6636                 break;
6637         case SWM_STACK_BOTTOM:
6638         case SWM_STACK_BELOW:
6639                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6640         }
6641
6642         /* ignore window border if there is one. */
6643         WIDTH(win) = win->wa->width;
6644         HEIGHT(win) = win->wa->height;
6645         X(win) = win->wa->x + win->wa->border_width;
6646         Y(win) = win->wa->y + win->wa->border_width;
6647         win->bordered = 0;
6648         win->g_floatvalid = 0;
6649         win->floatmaxed = 0;
6650         win->ewmh_flags = 0;
6651
6652         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6653             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6654             HEIGHT(win), ws->idx);
6655
6656         constrain_window(win, r, 0);
6657
6658         /* Set window properties so we can remember this after reincarnation */
6659         if (prop == NULL && snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6660             SWM_PROPLEN) {
6661                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6662                     ws_idx_str);
6663                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6664                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6665                     ws_idx_str);
6666         }
6667         if (prop)
6668                 free(prop);
6669
6670         ewmh_autoquirk(win);
6671
6672         if (xcb_icccm_get_wm_class_reply(conn,
6673             xcb_icccm_get_wm_class(conn, win->id),
6674             &tmpch, NULL)) {
6675                 win->ch.class_name = tmpch.class_name;
6676                 win->ch.instance_name = tmpch.instance_name;
6677
6678                 xcb_icccm_get_wm_class_reply_wipe(&tmpch);
6679
6680                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6681                     win->ch.class_name, win->ch.instance_name);
6682
6683                 /* java is retarded so treat it special */
6684                 if (strstr(win->ch.instance_name, "sun-awt")) {
6685                         win->java = 1;
6686                         border_me = 1;
6687                 }
6688
6689                 TAILQ_FOREACH(qp, &quirks, entry) {
6690                         if (!strcmp(win->ch.class_name, qp->class) &&
6691                             !strcmp(win->ch.instance_name, qp->name)) {
6692                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6693                                     "class: %s, name: %s\n", win->ch.class_name,
6694                                     win->ch.instance_name);
6695                                 if (qp->quirk & SWM_Q_FLOAT) {
6696                                         win->floating = 1;
6697                                         border_me = 1;
6698                                 }
6699                                 win->quirks = qp->quirk;
6700                         }
6701                 }
6702         }
6703
6704         /* alter window position if quirky */
6705         if (win->quirks & SWM_Q_ANYWHERE) {
6706                 win->manual = 1; /* don't center the quirky windows */
6707                 if (bar_enabled && Y(win) < bar_height)
6708                         Y(win) = bar_height;
6709                 if (WIDTH(win) + X(win) > WIDTH(r))
6710                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6711                 border_me = 1;
6712         }
6713
6714         /* Reset font sizes (the bruteforce way; no default keybinding). */
6715         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6716                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6717                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6718                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6719                         fake_keypress(win, XK_KP_Add, ShiftMask);
6720         }
6721
6722         ewmh_get_win_state(win);
6723         ewmh_update_actions(win);
6724         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6725
6726         /* border me */
6727         if (border_me) {
6728                 win->bordered = 1;
6729                 X(win) -= border_width;
6730                 Y(win) -= border_width;
6731                 update_window(win);
6732         }
6733
6734         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6735             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6736 #ifdef SWM_DEBUG
6737         event_mask |= XCB_EVENT_MASK_LEAVE_WINDOW;
6738 #endif
6739
6740         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6741
6742         /* floaters need to be mapped if they are in the current workspace */
6743         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6744                 map_window_raised(win->id);
6745
6746         return (win);
6747 }
6748
6749 void
6750 free_window(struct ws_win *win)
6751 {
6752         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6753
6754         if (win == NULL)
6755                 return;
6756
6757         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6758
6759         if (win->wa)
6760                 free(win->wa);
6761
6762         kill_refs(win);
6763
6764         /* paint memory */
6765         memset(win, 0xff, sizeof *win); /* XXX kill later */
6766
6767         free(win);
6768         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6769 }
6770
6771 void
6772 unmanage_window(struct ws_win *win)
6773 {
6774         struct ws_win           *parent;
6775         xcb_screen_t            *screen;
6776
6777         if (win == NULL)
6778                 return;
6779
6780         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6781
6782         if (win->transient) {
6783                 parent = find_window(win->transient);
6784                 if (parent)
6785                         parent->child_trans = NULL;
6786         }
6787
6788         /* focus on root just in case */
6789         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6790         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6791             screen->root, XCB_CURRENT_TIME);
6792
6793         focus_prev(win);
6794
6795         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6796         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6797 }
6798
6799 void
6800 focus_magic(struct ws_win *win)
6801 {
6802         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6803
6804         if (win == NULL) {
6805                 /* if there are no windows clear the status-bar */
6806                 bar_update();
6807                 return;
6808         }
6809
6810         if (win->child_trans) {
6811                 /* win = parent & has a transient so focus on that */
6812                 if (win->java) {
6813                         focus_win(win->child_trans);
6814                         if (win->child_trans->take_focus)
6815                                 client_msg(win, a_takefocus);
6816                 } else {
6817                         /* make sure transient hasn't disappeared */
6818                         if (validate_win(win->child_trans) == 0) {
6819                                 focus_win(win->child_trans);
6820                                 if (win->child_trans->take_focus)
6821                                         client_msg(win->child_trans,
6822                                             a_takefocus);
6823                         } else {
6824                                 win->child_trans = NULL;
6825                                 focus_win(win);
6826                                 if (win->take_focus)
6827                                         client_msg(win, a_takefocus);
6828                         }
6829                 }
6830         } else {
6831                 /* regular focus */
6832                 focus_win(win);
6833                 if (win->take_focus)
6834                         client_msg(win, a_takefocus);
6835         }
6836 }
6837
6838 void
6839 expose(xcb_expose_event_t *e)
6840 {
6841         int                     i, num_screens;
6842         struct swm_region       *r;
6843
6844         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6845
6846         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6847         for (i = 0; i < num_screens; i++)
6848                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6849                         if (e->window == WINID(r->bar))
6850                                 bar_update();
6851
6852         xcb_flush(conn);
6853 }
6854
6855 #ifdef SWM_DEBUG
6856 void
6857 focusin(xcb_focus_in_event_t *e)
6858 {
6859         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
6860             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
6861             e->mode, get_notify_detail_label(e->detail), e->detail);
6862 }
6863 #endif
6864
6865 void
6866 keypress(xcb_key_press_event_t *e)
6867 {
6868         xcb_keysym_t            keysym;
6869         struct key              *kp;
6870
6871         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
6872
6873         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
6874
6875         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6876                 return;
6877
6878         if (kp->funcid == KF_SPAWN_CUSTOM)
6879                 spawn_custom(root_to_region(e->root),
6880                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
6881         else if (keyfuncs[kp->funcid].func)
6882                 keyfuncs[kp->funcid].func(root_to_region(e->root),
6883                     &(keyfuncs[kp->funcid].args));
6884 }
6885
6886 void
6887 buttonpress(xcb_button_press_event_t *e)
6888 {
6889         struct ws_win           *win;
6890         int                     i;
6891         unsigned int            action;
6892
6893         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
6894             e->event, e->detail);
6895
6896         if ((win = find_window(e->event)) == NULL)
6897                 return;
6898
6899         focus_magic(win);
6900         action = client_click;
6901
6902         for (i = 0; i < LENGTH(buttons); i++)
6903                 if (action == buttons[i].action && buttons[i].func &&
6904                     buttons[i].button == e->detail &&
6905                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6906                         buttons[i].func(win, &buttons[i].args);
6907
6908         xcb_flush(conn);
6909 }
6910
6911 #ifdef SWM_DEBUG
6912 void
6913 print_win_geom(xcb_window_t w)
6914 {
6915         xcb_get_geometry_reply_t        *wa;
6916
6917         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
6918
6919         if (!wa) {
6920                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
6921                     w);
6922                 return;
6923         }
6924
6925         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
6926             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
6927             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
6928             wa->border_width);
6929
6930         free(wa);
6931 }
6932 #endif
6933
6934 void
6935 configurerequest(xcb_configure_request_event_t *e)
6936 {
6937         struct ws_win           *win;
6938         int                     new = 0, i = 0;
6939         uint16_t                mask = 0;
6940         uint32_t                wc[7] = {0};
6941
6942         if ((win = find_window(e->window)) == NULL)
6943                 if ((win = find_unmanaged_window(e->window)) == NULL)
6944                         new = 1;
6945 #ifdef SWM_DEBUG
6946         print_win_geom(e->window);
6947 #endif
6948         if (new) {
6949                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6950                     "value_mask: 0x%x", e->window, e->value_mask);
6951                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6952                         mask |= XCB_CONFIG_WINDOW_X;
6953                         wc[i++] = e->x;
6954                         DPRINTF(", X: %d", e->x);
6955                 }
6956                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6957                         mask |= XCB_CONFIG_WINDOW_Y;
6958                         wc[i++] = e->y;
6959                         DPRINTF(", Y: %d", e->y);
6960                 }
6961                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6962                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6963                         wc[i++] = e->width;
6964                         DPRINTF(", W: %u", e->width);
6965                 }
6966                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6967                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6968                         wc[i++] = e->height;
6969                         DPRINTF(", H: %u", e->height);
6970                 }
6971                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6972                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6973                         wc[i++] = e->border_width;
6974                         DPRINTF(", Border: %u", e->border_width);
6975                 }
6976                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6977                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6978                         wc[i++] = e->sibling;
6979                         DPRINTF(", Sibling: 0x%x", e->sibling);
6980                 }
6981                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6982                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6983                         wc[i++] = e->stack_mode;
6984                         DPRINTF(", StackMode: %u", e->stack_mode);
6985                 }
6986
6987                 if (mask != 0)
6988                         xcb_configure_window(conn, e->window, mask, wc);
6989
6990                 DPRINTF(", Sent: %s\n", YESNO((mask != 0)));
6991         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6992             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6993                 win->g_float.x = e->x - X(win->ws->r);
6994                 win->g_float.y = e->y - Y(win->ws->r);
6995                 win->g_float.w = e->width;
6996                 win->g_float.h = e->height;
6997                 win->g_floatvalid = 1;
6998
6999                 if (win->floating) {
7000                         win->g = win->g_float;
7001                         win->g.x += X(win->ws->r);
7002                         win->g.y += Y(win->ws->r);
7003                         update_window(win);
7004                 } else {
7005                         config_win(win, e);
7006                 }
7007         } else {
7008                 config_win(win, e);
7009         }
7010
7011         xcb_flush(conn);
7012 }
7013
7014 void
7015 configurenotify(xcb_configure_notify_event_t *e)
7016 {
7017         struct ws_win           *win;
7018
7019         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
7020             e->window);
7021
7022         win = find_window(e->window);
7023         if (win) {
7024                 xcb_icccm_get_wm_normal_hints_reply(conn,
7025                     xcb_icccm_get_wm_normal_hints(conn, win->id),
7026                     &win->sh, NULL);
7027                 adjust_font(win);
7028                 if (font_adjusted)
7029                         stack();
7030         }
7031 }
7032
7033 void
7034 destroynotify(xcb_destroy_notify_event_t *e)
7035 {
7036         struct ws_win           *win;
7037
7038         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
7039
7040         if ((win = find_window(e->window)) == NULL) {
7041                 if ((win = find_unmanaged_window(e->window)) == NULL)
7042                         return;
7043                 free_window(win);
7044                 return;
7045         }
7046
7047         /* make sure we focus on something */
7048         win->floating = 0;
7049
7050         unmanage_window(win);
7051         stack();
7052         free_window(win);
7053 }
7054
7055 #ifdef SWM_DEBUG
7056 char *
7057 get_notify_detail_label(uint8_t detail)
7058 {
7059         char *label;
7060
7061         switch (detail) {
7062         case XCB_NOTIFY_DETAIL_ANCESTOR:
7063                 label = "Ancestor";
7064                 break;
7065         case XCB_NOTIFY_DETAIL_VIRTUAL:
7066                 label = "Virtual";
7067                 break;
7068         case XCB_NOTIFY_DETAIL_INFERIOR:
7069                 label = "Inferior";
7070                 break;
7071         case XCB_NOTIFY_DETAIL_NONLINEAR:
7072                 label = "Nonlinear";
7073                 break;
7074         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
7075                 label = "NonlinearVirtual";
7076                 break;
7077         case XCB_NOTIFY_DETAIL_POINTER:
7078                 label = "Pointer";
7079                 break;
7080         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
7081                 label = "PointerRoot";
7082                 break;
7083         case XCB_NOTIFY_DETAIL_NONE:
7084                 label = "None";
7085                 break;
7086         default:
7087                 label = "Unknown";
7088         }
7089
7090         return label;
7091 }
7092
7093 char *
7094 get_notify_mode_label(uint8_t mode)
7095 {
7096         char *label;
7097
7098         switch (mode) {
7099         case XCB_NOTIFY_MODE_NORMAL:
7100                 label = "Normal";
7101                 break;
7102         case XCB_NOTIFY_MODE_GRAB:
7103                 label = "Grab";
7104                 break;
7105         case XCB_NOTIFY_MODE_UNGRAB:
7106                 label = "Ungrab";
7107                 break;
7108         case XCB_NOTIFY_MODE_WHILE_GRABBED:
7109                 label = "WhileGrabbed";
7110                 break;
7111         default:
7112                 label = "Unknown";
7113         }
7114
7115         return label;
7116 }
7117 #endif
7118
7119 void
7120 enternotify(xcb_enter_notify_event_t *e)
7121 {
7122         struct ws_win           *win;
7123         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %s(%d), "
7124             "detail: %s(%d), root: 0x%x, subwindow: 0x%x, same_screen_focus: "
7125             "%s, state: %d\n", e->event, get_notify_mode_label(e->mode),
7126             e->mode, get_notify_detail_label(e->detail), e->detail, e->root,
7127             e->child, YESNO(e->same_screen_focus), e->state);
7128
7129         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
7130                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
7131                     "cursor grab.\n");
7132                 return;
7133         }
7134
7135         switch (focus_mode) {
7136         case SWM_FOCUS_DEFAULT:
7137                 break;
7138         case SWM_FOCUS_FOLLOW:
7139                 break;
7140         case SWM_FOCUS_SYNERGY:
7141                 break;
7142         }
7143
7144         if ((win = find_window(e->event)) == NULL) {
7145                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7146                 return;
7147         }
7148
7149         focus_magic(win);
7150
7151         xcb_flush(conn);
7152 }
7153
7154 #ifdef SWM_DEBUG
7155 void
7156 leavenotify(xcb_leave_notify_event_t *e)
7157 {
7158         struct ws_win           *win;
7159         DNPRINTF(SWM_D_FOCUS, "leavenotify: window: 0x%x, mode: %s(%d), "
7160             "detail: %s(%d), root: 0x%x, subwindow: 0x%x, same_screen_focus: "
7161             "%s, state: %d\n", e->event, get_notify_mode_label(e->mode),
7162             e->mode, get_notify_detail_label(e->detail), e->detail, e->root,
7163             e->child, YESNO(e->same_screen_focus), e->state);
7164 }
7165 #endif
7166
7167 /* lets us use one switch statement for arbitrary mode/detail combinations */
7168 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7169
7170 void
7171 mapnotify(xcb_map_notify_event_t *e)
7172 {
7173         struct ws_win           *win;
7174
7175         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
7176
7177         win = manage_window(e->window);
7178         if (win)
7179                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7180
7181         /*
7182          * focus_win can only set input focus on a mapped window.
7183          * make sure the window really has focus since it is just being mapped.
7184          */
7185         if (win->ws->focus == win)
7186                 focus_win(win);
7187 }
7188
7189 void
7190 mappingnotify(xcb_mapping_notify_event_t *e)
7191 {
7192         xcb_refresh_keyboard_mapping(syms, e);
7193
7194         if (e->request == XCB_MAPPING_KEYBOARD)
7195                 grabkeys();
7196 }
7197
7198 void
7199 maprequest(xcb_map_request_event_t *e)
7200 {
7201         struct ws_win           *win;
7202         struct swm_region       *r;
7203         xcb_get_window_attributes_reply_t *war;
7204
7205         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
7206             e->window);
7207
7208         war = xcb_get_window_attributes_reply(conn,
7209             xcb_get_window_attributes(conn, e->window),
7210             NULL);
7211         if (!war)
7212                 return;
7213         if (war->override_redirect) {
7214                 free(war);
7215                 return;
7216         }
7217         free(war);
7218
7219         win = manage_window(e->window);
7220         if (win == NULL) {
7221                 return; /* can't happen */
7222         }
7223
7224         stack();
7225
7226         /* make new win focused */
7227         r = root_to_region(win->wa->root);
7228         if (win->ws == r->ws)
7229                 focus_magic(win);
7230 }
7231
7232 #ifdef SWM_DEBUG
7233 char *
7234 get_atom_name(xcb_atom_t atom)
7235 {
7236         char                            *name = NULL;
7237         size_t                          len;
7238         xcb_get_atom_name_reply_t       *r;
7239
7240         r = xcb_get_atom_name_reply(conn,
7241             xcb_get_atom_name(conn, atom),
7242             NULL);
7243         if (r) {
7244                 len = xcb_get_atom_name_name_length(r);
7245                 if (len > 0) {
7246                         name = malloc(len + 1);
7247                         if (name) {
7248                                 memcpy(name, xcb_get_atom_name_name(r), len);
7249                                 name[len] = '\0';
7250                         }
7251                 }
7252                 free(r);
7253         }
7254
7255         return (name);
7256 }
7257 #endif
7258
7259 void
7260 propertynotify(xcb_property_notify_event_t *e)
7261 {
7262         struct ws_win           *win;
7263 #ifdef SWM_DEBUG
7264         char                    *name;
7265
7266         name = get_atom_name(e->atom);
7267         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u)\n",
7268             e->window, name, e->atom);
7269         free(name);
7270 #endif
7271
7272         win = find_window(e->window);
7273         if (win == NULL)
7274                 return;
7275
7276         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7277                 update_iconic(win, 0);
7278                 map_window_raised(win->id);
7279                 stack();
7280                 focus_win(win);
7281                 return;
7282         }
7283
7284         switch (e->atom) {
7285         case XCB_ATOM_WM_CLASS:
7286         case XCB_ATOM_WM_NAME:
7287                 bar_update();
7288                 break;
7289         default:
7290                 break;
7291         }
7292 }
7293
7294 void
7295 unmapnotify(xcb_unmap_notify_event_t *e)
7296 {
7297         struct ws_win           *win;
7298
7299         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7300
7301         /* determine if we need to help unmanage this window */
7302         win = find_window(e->window);
7303         if (win == NULL)
7304                 return;
7305
7306         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7307                 unmanage_window(win);
7308                 stack();
7309
7310                 /* resend unmap because we ated it */
7311                 xcb_unmap_window(conn, e->window);
7312                 xcb_flush(conn);
7313         }
7314 }
7315
7316 #if 0
7317 void
7318 visibilitynotify(xcb_visibility_notify_event_t *e)
7319 {
7320         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7321             e->window);
7322 }
7323 #endif
7324
7325 void
7326 clientmessage(xcb_client_message_event_t *e)
7327 {
7328         struct ws_win *win;
7329         xcb_map_request_event_t mre;
7330 #ifdef SWM_DEBUG
7331         char                    *name;
7332
7333         name = get_atom_name(e->type);
7334         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
7335             e->window, name, e->type);
7336         free(name);
7337 #endif
7338         win = find_window(e->window);
7339
7340         if (win == NULL) {
7341                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7342                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7343                             "unmanaged window.\n");
7344                         mre.window = e->window;
7345                         maprequest(&mre);
7346                 }
7347                 return;
7348         }
7349
7350         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7351                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7352                 focus_win(win);
7353         }
7354         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7355                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7356                 if (win->can_delete)
7357                         client_msg(win, a_delete);
7358                 else
7359                         xcb_kill_client(conn, win->id);
7360         }
7361         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7362                 DNPRINTF(SWM_D_EVENT,
7363                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7364                 if (win->floating) {
7365                         if (e->data.data32[0] & (1<<8)) /* x */
7366                                 X(win) = e->data.data32[1];
7367                         if (e->data.data32[0] & (1<<9)) /* y */
7368                                 Y(win) = e->data.data32[2];
7369                         if (e->data.data32[0] & (1<<10)) /* width */
7370                                 WIDTH(win) = e->data.data32[3];
7371                         if (e->data.data32[0] & (1<<11)) /* height */
7372                                 HEIGHT(win) = e->data.data32[4];
7373
7374                         update_window(win);
7375                 }
7376                 else {
7377                         /* TODO: Change stack sizes */
7378                         /* notify no change was made. */
7379                         config_win(win, NULL);
7380                 }
7381         }
7382         if (e->type == ewmh[_NET_WM_STATE].atom) {
7383                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7384                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7385                 if (e->data.data32[2])
7386                         ewmh_update_win_state(win, e->data.data32[2],
7387                             e->data.data32[0]);
7388
7389                 stack();
7390         }
7391
7392         xcb_flush(conn);
7393 }
7394
7395 int
7396 enable_wm(void)
7397 {
7398         int                     num_screens, i;
7399         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7400         xcb_screen_t            *sc;
7401         xcb_void_cookie_t       wac;
7402         xcb_generic_error_t     *error;
7403
7404         /* this causes an error if some other window manager is running */
7405         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7406         for (i = 0; i < num_screens; i++) {
7407                 sc = get_screen(i);
7408                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
7409                     i, sc->root);
7410                 wac = xcb_change_window_attributes_checked(conn, sc->root,
7411                     XCB_CW_EVENT_MASK, &val);
7412                 if ((error = xcb_request_check(conn, wac))) {
7413                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
7414                             error->error_code);
7415                         free(error);
7416                         return 1;
7417                 }
7418         }
7419
7420         return 0;
7421 }
7422
7423 void
7424 new_region(struct swm_screen *s, int x, int y, int w, int h)
7425 {
7426         struct swm_region       *r, *n;
7427         struct workspace        *ws = NULL;
7428         int                     i;
7429
7430         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7431              s->idx, w, h, x, y);
7432
7433         /* remove any conflicting regions */
7434         n = TAILQ_FIRST(&s->rl);
7435         while (n) {
7436                 r = n;
7437                 n = TAILQ_NEXT(r, entry);
7438                 if (X(r) < (x + w) &&
7439                     (X(r) + WIDTH(r)) > x &&
7440                     Y(r) < (y + h) &&
7441                     (Y(r) + HEIGHT(r)) > y) {
7442                         if (r->ws->r != NULL)
7443                                 r->ws->old_r = r->ws->r;
7444                         r->ws->r = NULL;
7445                         bar_cleanup(r);
7446                         TAILQ_REMOVE(&s->rl, r, entry);
7447                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7448                 }
7449         }
7450
7451         /* search old regions for one to reuse */
7452
7453         /* size + location match */
7454         TAILQ_FOREACH(r, &s->orl, entry)
7455                 if (X(r) == x && Y(r) == y &&
7456                     HEIGHT(r) == h && WIDTH(r) == w)
7457                         break;
7458
7459         /* size match */
7460         TAILQ_FOREACH(r, &s->orl, entry)
7461                 if (HEIGHT(r) == h && WIDTH(r) == w)
7462                         break;
7463
7464         if (r != NULL) {
7465                 TAILQ_REMOVE(&s->orl, r, entry);
7466                 /* try to use old region's workspace */
7467                 if (r->ws->r == NULL)
7468                         ws = r->ws;
7469         } else
7470                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7471                         err(1, "new_region: calloc: failed to allocate memory "
7472                             "for screen");
7473
7474         /* if we don't have a workspace already, find one */
7475         if (ws == NULL) {
7476                 for (i = 0; i < workspace_limit; i++)
7477                         if (s->ws[i].r == NULL) {
7478                                 ws = &s->ws[i];
7479                                 break;
7480                         }
7481         }
7482
7483         if (ws == NULL)
7484                 errx(1, "new_region: no free workspaces");
7485
7486         X(r) = x;
7487         Y(r) = y;
7488         WIDTH(r) = w;
7489         HEIGHT(r) = h;
7490         r->s = s;
7491         r->ws = ws;
7492         r->ws_prior = NULL;
7493         ws->r = r;
7494         outputs++;
7495         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7496 }
7497
7498 void
7499 scan_xrandr(int i)
7500 {
7501 #ifdef SWM_XRR_HAS_CRTC
7502         int                                             c;
7503         int                                             ncrtc = 0;
7504 #endif /* SWM_XRR_HAS_CRTC */
7505         struct swm_region                               *r;
7506         int                                             num_screens;
7507         xcb_randr_get_screen_resources_current_cookie_t src;
7508         xcb_randr_get_screen_resources_current_reply_t  *srr;
7509         xcb_randr_get_crtc_info_cookie_t                cic;
7510         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7511         xcb_randr_crtc_t                                *crtc;
7512         xcb_screen_t                                    *screen = get_screen(i);
7513
7514         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7515         if (i >= num_screens)
7516                 errx(1, "scan_xrandr: invalid screen");
7517
7518         /* remove any old regions */
7519         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7520                 r->ws->old_r = r->ws->r = NULL;
7521                 bar_cleanup(r);
7522                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7523                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7524         }
7525         outputs = 0;
7526
7527         /* map virtual screens onto physical screens */
7528 #ifdef SWM_XRR_HAS_CRTC
7529         if (xrandr_support) {
7530                 src = xcb_randr_get_screen_resources_current(conn,
7531                     screens[i].root);
7532                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7533                     NULL);
7534                 if (srr == NULL) {
7535                         new_region(&screens[i], 0, 0,
7536                             screen->width_in_pixels,
7537                             screen->height_in_pixels);
7538                         return;
7539                 } else
7540                         ncrtc = srr->num_crtcs;
7541
7542                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7543                 for (c = 0; c < ncrtc; c++) {
7544                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7545                             XCB_CURRENT_TIME);
7546                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7547                         if (cir == NULL)
7548                                 continue;
7549                         if (cir->num_outputs == 0) {
7550                                 free(cir);
7551                                 continue;
7552                         }
7553
7554                         if (cir->mode == 0)
7555                                 new_region(&screens[i], 0, 0,
7556                                     screen->width_in_pixels,
7557                                     screen->height_in_pixels);
7558                         else
7559                                 new_region(&screens[i],
7560                                     cir->x, cir->y, cir->width, cir->height);
7561                         free(cir);
7562                 }
7563                 free(srr);
7564         } else
7565 #endif /* SWM_XRR_HAS_CRTC */
7566         {
7567                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7568                     screen->height_in_pixels);
7569         }
7570 }
7571
7572 void
7573 screenchange(xcb_randr_screen_change_notify_event_t *e)
7574 {
7575         struct swm_region               *r;
7576         int                             i, num_screens;
7577
7578         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7579
7580         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7581         /* silly event doesn't include the screen index */
7582         for (i = 0; i < num_screens; i++)
7583                 if (screens[i].root == e->root)
7584                         break;
7585         if (i >= num_screens)
7586                 errx(1, "screenchange: screen not found");
7587
7588         /* brute force for now, just re-enumerate the regions */
7589         scan_xrandr(i);
7590
7591 #ifdef SWM_DEBUG
7592         print_win_geom(e->root);
7593 #endif
7594         /* add bars to all regions */
7595         for (i = 0; i < num_screens; i++)
7596                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7597                         bar_setup(r);
7598         stack();
7599 }
7600
7601 void
7602 grab_windows(void)
7603 {
7604         xcb_window_t            *wins   = NULL;
7605         int                     no;
7606         int                     i, j, num_screens;
7607         uint16_t                state, manage;
7608
7609         xcb_query_tree_cookie_t                 qtc;
7610         xcb_query_tree_reply_t                  *qtr;
7611         xcb_get_window_attributes_cookie_t      c;
7612         xcb_get_window_attributes_reply_t       *r;
7613         xcb_get_property_cookie_t               pc;
7614
7615         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
7616         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7617         for (i = 0; i < num_screens; i++) {
7618                 qtc = xcb_query_tree(conn, screens[i].root);
7619                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7620                 if (!qtr)
7621                         continue;
7622                 wins = xcb_query_tree_children(qtr);
7623                 no = xcb_query_tree_children_length(qtr);
7624                 /* attach windows to a region */
7625                 /* normal windows */
7626                 for (j = 0; j < no; j++) {
7627                         c = xcb_get_window_attributes(conn, wins[j]);
7628                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7629                         if (!r)
7630                                 continue;
7631                         if (r->override_redirect) {
7632                                 free(r);
7633                                 continue;
7634                         }
7635
7636                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7637                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7638                             &wins[j], NULL)) {
7639                                 free(r);
7640                                 continue;
7641                         }
7642
7643                         state = getstate(wins[j]);
7644                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7645                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7646                                 manage_window(wins[j]);
7647                         free(r);
7648                 }
7649                 /* transient windows */
7650                 for (j = 0; j < no; j++) {
7651                         c = xcb_get_window_attributes(conn, wins[j]);
7652                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7653                         if (!r)
7654                                 continue;
7655                         if (r->override_redirect) {
7656                                 free(r);
7657                                 continue;
7658                         }
7659                         free(r);
7660
7661                         state = getstate(wins[j]);
7662                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7663                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7664                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7665                             &wins[j], NULL) && manage)
7666                                 manage_window(wins[j]);
7667                 }
7668                 free(qtr);
7669         }
7670         DNPRINTF(SWM_D_INIT, "grab_windows: done\n");
7671 }
7672
7673 void
7674 setup_screens(void)
7675 {
7676         int                     i, j, k, num_screens;
7677         struct workspace        *ws;
7678         uint32_t                gcv[1], wa[1];
7679         const xcb_query_extension_reply_t *qep;
7680         xcb_cursor_t                            cursor;
7681         xcb_font_t                              cursor_font;
7682         xcb_randr_query_version_cookie_t        c;
7683         xcb_randr_query_version_reply_t         *r;
7684
7685         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7686         if ((screens = calloc(num_screens,
7687              sizeof(struct swm_screen))) == NULL)
7688                 err(1, "setup_screens: calloc: failed to allocate memory for "
7689                     "screens");
7690
7691         /* initial Xrandr setup */
7692         xrandr_support = 0;
7693         c = xcb_randr_query_version(conn, 1, 1);
7694         r = xcb_randr_query_version_reply(conn, c, NULL);
7695         if (r) {
7696                 if (r->major_version >= 1)
7697                         xrandr_support = 1;
7698                 free(r);
7699         }
7700         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7701         xrandr_eventbase = qep->first_event;
7702
7703         cursor_font = xcb_generate_id(conn);
7704         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7705
7706         cursor = xcb_generate_id(conn);
7707         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7708             XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7709         wa[0] = cursor;
7710
7711         /* map physical screens */
7712         for (i = 0; i < num_screens; i++) {
7713                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7714                 screens[i].idx = i;
7715                 TAILQ_INIT(&screens[i].rl);
7716                 TAILQ_INIT(&screens[i].orl);
7717                 screens[i].root = get_screen(i)->root;
7718
7719                 /* set default colors */
7720                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7721                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7722                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7723                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7724                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7725
7726                 /* create graphics context on screen */
7727                 screens[i].bar_gc = xcb_generate_id(conn);
7728                 gcv[0] = 0;
7729                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7730                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7731
7732                 /* set default cursor */
7733                 xcb_change_window_attributes(conn, screens[i].root,
7734                     XCB_CW_CURSOR, wa);
7735
7736                 /* init all workspaces */
7737                 /* XXX these should be dynamically allocated too */
7738                 for (j = 0; j < SWM_WS_MAX; j++) {
7739                         ws = &screens[i].ws[j];
7740                         ws->idx = j;
7741                         ws->name = NULL;
7742                         ws->focus = NULL;
7743                         ws->r = NULL;
7744                         ws->old_r = NULL;
7745                         TAILQ_INIT(&ws->winlist);
7746                         TAILQ_INIT(&ws->unmanagedlist);
7747
7748                         for (k = 0; layouts[k].l_stack != NULL; k++)
7749                                 if (layouts[k].l_config != NULL)
7750                                         layouts[k].l_config(ws,
7751                                             SWM_ARG_ID_STACKINIT);
7752                         ws->cur_layout = &layouts[0];
7753                         ws->cur_layout->l_string(ws);
7754                 }
7755
7756                 scan_xrandr(i);
7757
7758                 if (xrandr_support)
7759                         xcb_randr_select_input(conn, screens[i].root,
7760                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7761         }
7762         xcb_free_cursor(conn, cursor);
7763         xcb_close_font(conn, cursor_font);
7764 }
7765
7766 void
7767 setup_globals(void)
7768 {
7769         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7770                 err(1, "setup_globals: strdup: failed to allocate memory.");
7771
7772         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7773                 err(1, "setup_globals: strdup: failed to allocate memory.");
7774
7775         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
7776                 errx(1, "unable to allocate key symbols");
7777
7778         a_state = get_atom_from_string("WM_STATE");
7779         a_prot = get_atom_from_string("WM_PROTOCOLS");
7780         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
7781         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7782         a_wmname = get_atom_from_string("WM_NAME");
7783         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7784         a_utf8_string = get_atom_from_string("UTF8_STRING");
7785         a_string = get_atom_from_string("STRING");
7786         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7787         a_swm_ws = get_atom_from_string("_SWM_WS");
7788 }
7789
7790 void
7791 workaround(void)
7792 {
7793         int                     i, num_screens;
7794         xcb_atom_t              netwmcheck;
7795         xcb_window_t            root, win;
7796         uint32_t                wa[2];
7797
7798         /* work around sun jdk bugs, code from wmname */
7799         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7800
7801         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7802         for (i = 0; i < num_screens; i++) {
7803                 root = screens[i].root;
7804
7805                 win = xcb_generate_id(conn);
7806                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].pixel;
7807                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].pixel;
7808                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7809                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7810                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7811
7812                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7813                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7814                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7815                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7816                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7817                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
7818         }
7819 }
7820
7821 void
7822 event_error(xcb_generic_error_t *e)
7823 {
7824         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
7825             "resource_id: %u, minor_code: %u\n",
7826             xcb_event_get_error_label(e->error_code), e->error_code,
7827             xcb_event_get_request_label(e->major_code), e->major_code,
7828             e->sequence, e->resource_id, e->minor_code);
7829 }
7830
7831 void
7832 event_handle(xcb_generic_event_t *evt)
7833 {
7834         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7835
7836         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
7837             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
7838             XCB_EVENT_RESPONSE_TYPE(evt));
7839
7840         switch (type) {
7841 #define EVENT(type, callback) case type: callback((void *)evt); return
7842         EVENT(0, event_error);
7843         EVENT(XCB_BUTTON_PRESS, buttonpress);
7844         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7845         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
7846         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
7847         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7848         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
7849         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7850         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7851         /*EVENT(XCB_CREATE_NOTIFY, );*/
7852         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7853         EVENT(XCB_ENTER_NOTIFY, enternotify);
7854         EVENT(XCB_EXPOSE, expose);
7855 #ifdef SWM_DEBUG
7856         EVENT(XCB_FOCUS_IN, focusin);
7857 #endif
7858         /*EVENT(XCB_FOCUS_OUT, );*/
7859         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
7860         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
7861         EVENT(XCB_KEY_PRESS, keypress);
7862         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7863         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
7864 #ifdef SWM_DEBUG
7865         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
7866 #endif
7867         EVENT(XCB_MAP_NOTIFY, mapnotify);
7868         EVENT(XCB_MAP_REQUEST, maprequest);
7869         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7870         /*EVENT(XCB_MOTION_NOTIFY, );*/
7871         /*EVENT(XCB_NO_EXPOSURE, );*/
7872         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7873         /*EVENT(XCB_REPARENT_NOTIFY, );*/
7874         /*EVENT(XCB_RESIZE_REQUEST, );*/
7875         /*EVENT(XCB_SELECTION_CLEAR, );*/
7876         /*EVENT(XCB_SELECTION_NOTIFY, );*/
7877         /*EVENT(XCB_SELECTION_REQUEST, );*/
7878         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7879         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
7880 #undef EVENT
7881         }
7882         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7883                 screenchange((void *)evt);
7884 }
7885
7886 int
7887 main(int argc, char *argv[])
7888 {
7889         struct swm_region       *r, *rr;
7890         struct ws_win           *winfocus = NULL;
7891         union arg               a;
7892         char                    conf[PATH_MAX], *cfile = NULL;
7893         struct stat             sb;
7894         int                     xfd, i, num_screens;
7895         struct sigaction        sact;
7896         xcb_generic_event_t     *evt;
7897         struct timeval          tv;
7898         fd_set                  rd;
7899
7900         /* suppress unused warning since var is needed */
7901         (void)argc;
7902
7903         time_started = time(NULL);
7904
7905         start_argv = argv;
7906         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7907         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
7908                 warnx("no locale support");
7909
7910         /* handle some signals */
7911         bzero(&sact, sizeof(sact));
7912         sigemptyset(&sact.sa_mask);
7913         sact.sa_flags = 0;
7914         sact.sa_handler = sighdlr;
7915         sigaction(SIGINT, &sact, NULL);
7916         sigaction(SIGQUIT, &sact, NULL);
7917         sigaction(SIGTERM, &sact, NULL);
7918         sigaction(SIGHUP, &sact, NULL);
7919
7920         sact.sa_handler = sighdlr;
7921         sact.sa_flags = SA_NOCLDSTOP;
7922         sigaction(SIGCHLD, &sact, NULL);
7923
7924         if (!(display = XOpenDisplay(0)))
7925                 errx(1, "can not open display");
7926
7927         conn = XGetXCBConnection(display);
7928         if (xcb_connection_has_error(conn))
7929                 errx(1, "can not get XCB connection");
7930
7931         XSetEventQueueOwner(display, XCBOwnsEventQueue);
7932
7933         xcb_prefetch_extension_data(conn, &xcb_randr_id);
7934         xfd = xcb_get_file_descriptor(conn);
7935
7936         /* look for local and global conf file */
7937         pwd = getpwuid(getuid());
7938         if (pwd == NULL)
7939                 errx(1, "invalid user: %d", getuid());
7940
7941         xcb_grab_server(conn);
7942         xcb_aux_sync(conn);
7943
7944         /* flush all events */
7945         while ((evt = xcb_poll_for_event(conn))) {
7946                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
7947                         event_handle(evt);
7948                 free(evt);
7949         }
7950
7951         if (enable_wm() != 0)
7952                 errx(1, "another window manager is currently running");
7953
7954         xcb_aux_sync(conn);
7955
7956         setup_globals();
7957         setup_screens();
7958         setup_keys();
7959         setup_quirks();
7960         setup_spawn();
7961
7962         /* load config */
7963         for (i = 0; ; i++) {
7964                 conf[0] = '\0';
7965                 switch (i) {
7966                 case 0:
7967                         /* ~ */
7968                         snprintf(conf, sizeof conf, "%s/.%s",
7969                             pwd->pw_dir, SWM_CONF_FILE);
7970                         break;
7971                 case 1:
7972                         /* global */
7973                         snprintf(conf, sizeof conf, "/etc/%s",
7974                             SWM_CONF_FILE);
7975                         break;
7976                 case 2:
7977                         /* ~ compat */
7978                         snprintf(conf, sizeof conf, "%s/.%s",
7979                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7980                         break;
7981                 case 3:
7982                         /* global compat */
7983                         snprintf(conf, sizeof conf, "/etc/%s",
7984                             SWM_CONF_FILE_OLD);
7985                         break;
7986                 default:
7987                         goto noconfig;
7988                 }
7989
7990                 if (strlen(conf) && stat(conf, &sb) != -1)
7991                         if (S_ISREG(sb.st_mode)) {
7992                                 cfile = conf;
7993                                 break;
7994                         }
7995         }
7996 noconfig:
7997
7998         /* load conf (if any) */
7999         if (cfile)
8000                 conf_load(cfile, SWM_CONF_DEFAULT);
8001
8002         setup_ewmh();
8003         /* set some values to work around bad programs */
8004         workaround();
8005         /* grab existing windows (before we build the bars) */
8006         grab_windows();
8007
8008         if (getenv("SWM_STARTED") == NULL)
8009                 setenv("SWM_STARTED", "YES", 1);
8010
8011         /* setup all bars */
8012         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8013         for (i = 0; i < num_screens; i++)
8014                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
8015                         if (winfocus == NULL)
8016                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
8017                         bar_setup(r);
8018                 }
8019
8020         //unfocus_all();
8021
8022         grabkeys();
8023         stack();
8024
8025         xcb_ungrab_server(conn);
8026         xcb_flush(conn);
8027
8028         while (running) {
8029                 while ((evt = xcb_poll_for_event(conn))) {
8030                         if (running == 0)
8031                                 goto done;
8032                         event_handle(evt);
8033                         free(evt);
8034                 }
8035
8036                 /* if we are being restarted go focus on first window */
8037                 if (winfocus) {
8038                         rr = winfocus->ws->r;
8039                         if (rr == NULL) {
8040                                 /* not a visible window */
8041                                 winfocus = NULL;
8042                                 continue;
8043                         }
8044                         /* move pointer to first screen if multi screen */
8045                         if (num_screens > 1 || outputs > 1)
8046                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
8047                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
8048                                     Y(rr) + (bar_enabled ? bar_height : 0));
8049
8050                         a.id = SWM_ARG_ID_FOCUSCUR;
8051                         focus(rr, &a);
8052                         winfocus = NULL;
8053                         continue;
8054                 }
8055
8056                 FD_ZERO(&rd);
8057                 FD_SET(xfd, &rd);
8058                 tv.tv_sec = 1;
8059                 tv.tv_usec = 0;
8060                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
8061                         if (errno != EINTR)
8062                                 DNPRINTF(SWM_D_MISC, "select failed");
8063                 if (restart_wm == 1)
8064                         restart(NULL, NULL);
8065                 if (search_resp == 1)
8066                         search_do_resp();
8067                 if (running == 0)
8068                         goto done;
8069                 if (bar_alarm) {
8070                         bar_alarm = 0;
8071                         bar_update();
8072                 }
8073         }
8074 done:
8075         teardown_ewmh();
8076         bar_extra_stop();
8077
8078         for (i = 0; i < num_screens; ++i)
8079                 if (screens[i].bar_gc != 0)
8080                         xcb_free_gc(conn, screens[i].bar_gc);
8081
8082         XftFontClose(display, bar_font);
8083         XftColorFree(display, DefaultVisual(display, 0),
8084             DefaultColormap(display, 0), &bar_font_color);
8085         xcb_key_symbols_free(syms);
8086         xcb_flush(conn);
8087         xcb_disconnect(conn);
8088
8089         return (0);
8090 }