spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <paths.h>
  70 #include <ctype.h>
  71
  72 #include <sys/types.h>
  73 #include <sys/time.h>
  74 #include <sys/stat.h>
  75 #include <sys/wait.h>
  76 #include <sys/queue.h>
  77 #include <sys/param.h>
  78 #include <sys/select.h>
  79 #if defined(__linux__)
  80 #include "tree.h"
  81 #elif defined(__OpenBSD__)
  82 #include <sys/tree.h>
  83 #elif defined(__FreeBSD__)
  84 #include <sys/tree.h>
  85 #else
  86 #include "tree.h"
  87 #endif
  88
  89 #include <X11/cursorfont.h>
  90 #include <X11/keysym.h>
  91 #include <X11/XKBlib.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/Xlib-xcb.h>
  94 #include <X11/Xproto.h>
  95 #include <X11/Xutil.h>
  96 #include <X11/extensions/Xrandr.h>
  97 #include <X11/extensions/XTest.h>
  98
  99 #ifdef __OSX__
 100 #include <osx.h>
 101 #endif
 102
 103 #include "version.h"
 104
 105 #ifdef SPECTRWM_BUILDSTR
 106 static const char       *buildstr = SPECTRWM_BUILDSTR;
 107 #else
 108 static const char       *buildstr = SPECTRWM_VERSION;
 109 #endif
 110
 111 #if RANDR_MAJOR < 1
 112 #  error XRandR versions less than 1.0 are not supported
 113 #endif
 114
 115 #if RANDR_MAJOR >= 1
 116 #if RANDR_MINOR >= 2
 117 #define SWM_XRR_HAS_CRTC
 118 #endif
 119 #endif
 120
 121 /*#define SWM_DEBUG*/
 122 #ifdef SWM_DEBUG
 123 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 124 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 125 #define SWM_D_MISC              0x0001
 126 #define SWM_D_EVENT             0x0002
 127 #define SWM_D_WS                0x0004
 128 #define SWM_D_FOCUS             0x0008
 129 #define SWM_D_MOVE              0x0010
 130 #define SWM_D_STACK             0x0020
 131 #define SWM_D_MOUSE             0x0040
 132 #define SWM_D_PROP              0x0080
 133 #define SWM_D_CLASS             0x0100
 134 #define SWM_D_KEY               0x0200
 135 #define SWM_D_QUIRK             0x0400
 136 #define SWM_D_SPAWN             0x0800
 137 #define SWM_D_EVENTQ            0x1000
 138 #define SWM_D_CONF              0x2000
 139 #define SWM_D_BAR               0x4000
 140
 141 u_int32_t               swm_debug = 0
 142                             | SWM_D_MISC
 143                             | SWM_D_EVENT
 144                             | SWM_D_WS
 145                             | SWM_D_FOCUS
 146                             | SWM_D_MOVE
 147                             | SWM_D_STACK
 148                             | SWM_D_MOUSE
 149                             | SWM_D_PROP
 150                             | SWM_D_CLASS
 151                             | SWM_D_KEY
 152                             | SWM_D_QUIRK
 153                             | SWM_D_SPAWN
 154                             | SWM_D_EVENTQ
 155                             | SWM_D_CONF
 156                             | SWM_D_BAR
 157                             ;
 158 #else
 159 #define DPRINTF(x...)
 160 #define DNPRINTF(n,x...)
 161 #endif
 162
 163 #define LENGTH(x)               (sizeof x / sizeof x[0])
 164 #define MODKEY                  Mod1Mask
 165 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 166 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 167 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 168 #define SWM_PROPLEN             (16)
 169 #define SWM_FUNCNAME_LEN        (32)
 170 #define SWM_KEYS_LEN            (255)
 171 #define SWM_QUIRK_LEN           (64)
 172 #define X(r)                    (r)->g.x
 173 #define Y(r)                    (r)->g.y
 174 #define WIDTH(r)                (r)->g.w
 175 #define HEIGHT(r)               (r)->g.h
 176 #define BORDER(w)               (w->bordered ? border_width : 0)
 177 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 178 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 179 #define SH_MIN(w)               (w)->sh_mask & PMinSize
 180 #define SH_MIN_W(w)             (w)->sh.min_width
 181 #define SH_MIN_H(w)             (w)->sh.min_height
 182 #define SH_MAX(w)               (w)->sh_mask & PMaxSize
 183 #define SH_MAX_W(w)             (w)->sh.max_width
 184 #define SH_MAX_H(w)             (w)->sh.max_height
 185 #define SH_INC(w)               (w)->sh_mask & PResizeInc
 186 #define SH_INC_W(w)             (w)->sh.width_inc
 187 #define SH_INC_H(w)             (w)->sh.height_inc
 188 #define SWM_MAX_FONT_STEPS      (3)
 189 #define WINID(w)                ((w) ? (w)->id : 0)
 190 #define YESNO(x)                ((x) ? "yes" : "no")
 191
 192 #define SWM_FOCUS_DEFAULT       (0)
 193 #define SWM_FOCUS_SYNERGY       (1)
 194 #define SWM_FOCUS_FOLLOW        (2)
 195
 196 #define SWM_CONF_DEFAULT        (0)
 197 #define SWM_CONF_KEYMAPPING     (1)
 198
 199 #ifndef SWM_LIB
 200 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 201 #endif
 202
 203 char                    **start_argv;
 204 Atom                    astate;
 205 Atom                    aprot;
 206 Atom                    adelete;
 207 Atom                    takefocus;
 208 Atom                    a_wmname;
 209 Atom                    a_netwmname;
 210 Atom                    a_utf8_string;
 211 Atom                    a_string;
 212 Atom                    a_swm_iconic;
 213 volatile sig_atomic_t   running = 1;
 214 volatile sig_atomic_t   restart_wm = 0;
 215 int                     outputs = 0;
 216 int                     last_focus_event = FocusOut;
 217 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 218 int                     other_wm;
 219 int                     ss_enabled = 0;
 220 int                     xrandr_support;
 221 int                     xrandr_eventbase;
 222 unsigned int            numlockmask = 0;
 223 Display                 *display;
 224 xcb_connection_t        *conn;
 225
 226 int                     cycle_empty = 0;
 227 int                     cycle_visible = 0;
 228 int                     term_width = 0;
 229 int                     font_adjusted = 0;
 230 unsigned int            mod_key = MODKEY;
 231
 232 /* dmenu search */
 233 struct swm_region       *search_r;
 234 int                     select_list_pipe[2];
 235 int                     select_resp_pipe[2];
 236 pid_t                   searchpid;
 237 volatile sig_atomic_t   search_resp;
 238 int                     search_resp_action;
 239
 240 struct search_window {
 241         TAILQ_ENTRY(search_window)      entry;
 242         int                             idx;
 243         struct ws_win                   *win;
 244         GC                              gc;
 245         Window                          indicator;
 246 };
 247 TAILQ_HEAD(search_winlist, search_window);
 248 struct search_winlist                   search_wl;
 249
 250 /* search actions */
 251 enum {
 252         SWM_SEARCH_NONE,
 253         SWM_SEARCH_UNICONIFY,
 254         SWM_SEARCH_NAME_WORKSPACE,
 255         SWM_SEARCH_SEARCH_WORKSPACE,
 256         SWM_SEARCH_SEARCH_WINDOW
 257 };
 258
 259 #define SWM_STACK_TOP           (0)
 260 #define SWM_STACK_BOTTOM        (1)
 261 #define SWM_STACK_ABOVE         (2)
 262 #define SWM_STACK_BELOW         (3)
 263
 264 /* dialog windows */
 265 double                  dialog_ratio = 0.6;
 266 /* status bar */
 267 #define SWM_BAR_MAX             (256)
 268 #define SWM_BAR_JUSTIFY_LEFT    (0)
 269 #define SWM_BAR_JUSTIFY_CENTER  (1)
 270 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 271 #define SWM_BAR_OFFSET          (4)
 272 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 273                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 274                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 275                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 276                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 277
 278 #ifdef X_HAVE_UTF8_STRING
 279 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 280 #else
 281 #define DRAWSTRING(x...)        XmbDrawString(x)
 282 #endif
 283
 284 char                    *bar_argv[] = { NULL, NULL };
 285 int                     bar_pipe[2];
 286 unsigned char           bar_ext[SWM_BAR_MAX];
 287 char                    bar_vertext[SWM_BAR_MAX];
 288 int                     bar_version = 0;
 289 sig_atomic_t            bar_alarm = 0;
 290 int                     bar_delay = 30;
 291 int                     bar_enabled = 1;
 292 int                     bar_border_width = 1;
 293 int                     bar_at_bottom = 0;
 294 int                     bar_extra = 1;
 295 int                     bar_extra_running = 0;
 296 int                     bar_verbose = 1;
 297 int                     bar_height = 0;
 298 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 299 char                    *bar_format = NULL;
 300 int                     stack_enabled = 1;
 301 int                     clock_enabled = 1;
 302 int                     urgent_enabled = 0;
 303 char                    *clock_format = NULL;
 304 int                     title_name_enabled = 0;
 305 int                     title_class_enabled = 0;
 306 int                     window_name_enabled = 0;
 307 int                     focus_mode = SWM_FOCUS_DEFAULT;
 308 int                     focus_close = SWM_STACK_BELOW;
 309 int                     focus_close_wrap = 1;
 310 int                     focus_default = SWM_STACK_TOP;
 311 int                     spawn_position = SWM_STACK_TOP;
 312 int                     disable_border = 0;
 313 int                     border_width = 1;
 314 int                     verbose_layout = 0;
 315 pid_t                   bar_pid;
 316 XFontSet                bar_fs;
 317 XFontSetExtents         *bar_fs_extents;
 318 char                    *bar_fonts;
 319 struct passwd           *pwd;
 320
 321 #define SWM_MENU_FN     (2)
 322 #define SWM_MENU_NB     (4)
 323 #define SWM_MENU_NF     (6)
 324 #define SWM_MENU_SB     (8)
 325 #define SWM_MENU_SF     (10)
 326
 327 /* layout manager data */
 328 struct swm_geometry {
 329         int                     x;
 330         int                     y;
 331         int                     w;
 332         int                     h;
 333 };
 334
 335 struct swm_screen;
 336 struct workspace;
 337
 338 struct swm_bar {
 339         xcb_window_t            id;
 340         xcb_pixmap_t            buffer;
 341         struct swm_geometry     g;
 342 };
 343
 344 /* virtual "screens" */
 345 struct swm_region {
 346         TAILQ_ENTRY(swm_region) entry;
 347         struct swm_geometry     g;
 348         struct workspace        *ws;    /* current workspace on this region */
 349         struct workspace        *ws_prior; /* prior workspace on this region */
 350         struct swm_screen       *s;     /* screen idx */
 351         struct swm_bar          *bar;
 352 };
 353 TAILQ_HEAD(swm_region_list, swm_region);
 354
 355 struct ws_win {
 356         TAILQ_ENTRY(ws_win)     entry;
 357         xcb_window_t            id;
 358         xcb_window_t            transient;
 359         struct ws_win           *child_trans;   /* transient child window */
 360         struct swm_geometry     g;              /* current geometry */
 361         struct swm_geometry     g_float;        /* region coordinates */
 362         int                     g_floatvalid;   /* g_float geometry validity */
 363         int                     floatmaxed;     /* whether maxed by max_stack */
 364         int                     floating;
 365         int                     manual;
 366         int                     iconic;
 367         int                     bordered;
 368         unsigned int            ewmh_flags;
 369         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 370         int                     font_steps;
 371         int                     last_inc;
 372         int                     can_delete;
 373         int                     take_focus;
 374         int                     java;
 375         unsigned long           quirks;
 376         struct workspace        *ws;    /* always valid */
 377         struct swm_screen       *s;     /* always valid, never changes */
 378         XWindowAttributes       wa;
 379         XSizeHints              sh;
 380         long                    sh_mask;
 381         XClassHint              ch;
 382         XWMHints                *hints;
 383 };
 384 TAILQ_HEAD(ws_win_list, ws_win);
 385
 386 /* pid goo */
 387 struct pid_e {
 388         TAILQ_ENTRY(pid_e)      entry;
 389         long                    pid;
 390         int                     ws;
 391 };
 392 TAILQ_HEAD(pid_list, pid_e);
 393 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 394
 395 /* layout handlers */
 396 void    stack(void);
 397 void    vertical_config(struct workspace *, int);
 398 void    vertical_stack(struct workspace *, struct swm_geometry *);
 399 void    horizontal_config(struct workspace *, int);
 400 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 401 void    max_stack(struct workspace *, struct swm_geometry *);
 402 void    plain_stacker(struct workspace *);
 403 void    fancy_stacker(struct workspace *);
 404
 405 struct ws_win *find_window(xcb_window_t);
 406
 407 void    grabbuttons(struct ws_win *, int);
 408 void    new_region(struct swm_screen *, int, int, int, int);
 409 void    unmanage_window(struct ws_win *);
 410 long    getstate(xcb_window_t);
 411
 412 int     conf_load(char *, int);
 413
 414 struct layout {
 415         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 416         void            (*l_config)(struct workspace *, int);
 417         u_int32_t       flags;
 418 #define SWM_L_FOCUSPREV         (1<<0)
 419 #define SWM_L_MAPONFOCUS        (1<<1)
 420         void            (*l_string)(struct workspace *);
 421 } layouts[] =  {
 422         /* stack,               configure */
 423         { vertical_stack,       vertical_config,        0,      plain_stacker },
 424         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 425         { max_stack,            NULL,
 426           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 427         { NULL,                 NULL,                   0,      NULL  },
 428 };
 429
 430 /* position of max_stack mode in the layouts array, index into layouts! */
 431 #define SWM_V_STACK             (0)
 432 #define SWM_H_STACK             (1)
 433 #define SWM_MAX_STACK           (2)
 434
 435 #define SWM_H_SLICE             (32)
 436 #define SWM_V_SLICE             (32)
 437
 438 /* define work spaces */
 439 struct workspace {
 440         int                     idx;            /* workspace index */
 441         char                    *name;          /* workspace name */
 442         int                     always_raise;   /* raise windows on focus */
 443         struct layout           *cur_layout;    /* current layout handlers */
 444         struct ws_win           *focus;         /* may be NULL */
 445         struct ws_win           *focus_prev;    /* may be NULL */
 446         struct swm_region       *r;             /* may be NULL */
 447         struct swm_region       *old_r;         /* may be NULL */
 448         struct ws_win_list      winlist;        /* list of windows in ws */
 449         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 450         char                    stacker[10];    /* display stacker and layout */
 451
 452         /* stacker state */
 453         struct {
 454                                 int horizontal_msize;
 455                                 int horizontal_mwin;
 456                                 int horizontal_stacks;
 457                                 int horizontal_flip;
 458                                 int vertical_msize;
 459                                 int vertical_mwin;
 460                                 int vertical_stacks;
 461                                 int vertical_flip;
 462         } l_state;
 463 };
 464
 465 enum {
 466         SWM_S_COLOR_BAR,
 467         SWM_S_COLOR_BAR_BORDER,
 468         SWM_S_COLOR_BAR_FONT,
 469         SWM_S_COLOR_FOCUS,
 470         SWM_S_COLOR_UNFOCUS,
 471         SWM_S_COLOR_MAX
 472 };
 473
 474 /* physical screen mapping */
 475 #define SWM_WS_MAX              (22)    /* hard limit */
 476 int             workspace_limit = 10;   /* soft limit */
 477
 478 struct swm_screen {
 479         int                     idx;    /* screen index */
 480         struct swm_region_list  rl;     /* list of regions on this screen */
 481         struct swm_region_list  orl;    /* list of old regions */
 482         xcb_window_t            root;
 483         struct workspace        ws[SWM_WS_MAX];
 484
 485         /* colors */
 486         struct {
 487                 unsigned long   color;
 488                 char            *name;
 489         } c[SWM_S_COLOR_MAX];
 490
 491         GC                      bar_gc;
 492 };
 493 struct swm_screen       *screens;
 494
 495 /* args to functions */
 496 union arg {
 497         int                     id;
 498 #define SWM_ARG_ID_FOCUSNEXT    (0)
 499 #define SWM_ARG_ID_FOCUSPREV    (1)
 500 #define SWM_ARG_ID_FOCUSMAIN    (2)
 501 #define SWM_ARG_ID_FOCUSCUR     (4)
 502 #define SWM_ARG_ID_SWAPNEXT     (10)
 503 #define SWM_ARG_ID_SWAPPREV     (11)
 504 #define SWM_ARG_ID_SWAPMAIN     (12)
 505 #define SWM_ARG_ID_MOVELAST     (13)
 506 #define SWM_ARG_ID_MASTERSHRINK (20)
 507 #define SWM_ARG_ID_MASTERGROW   (21)
 508 #define SWM_ARG_ID_MASTERADD    (22)
 509 #define SWM_ARG_ID_MASTERDEL    (23)
 510 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 511 #define SWM_ARG_ID_STACKRESET   (30)
 512 #define SWM_ARG_ID_STACKINIT    (31)
 513 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 514 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 515 #define SWM_ARG_ID_CYCLESC_UP   (42)
 516 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 517 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 518 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 519 #define SWM_ARG_ID_STACKINC     (50)
 520 #define SWM_ARG_ID_STACKDEC     (51)
 521 #define SWM_ARG_ID_SS_ALL       (60)
 522 #define SWM_ARG_ID_SS_WINDOW    (61)
 523 #define SWM_ARG_ID_DONTCENTER   (70)
 524 #define SWM_ARG_ID_CENTER       (71)
 525 #define SWM_ARG_ID_KILLWINDOW   (80)
 526 #define SWM_ARG_ID_DELETEWINDOW (81)
 527 #define SWM_ARG_ID_WIDTHGROW    (90)
 528 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 529 #define SWM_ARG_ID_HEIGHTGROW   (92)
 530 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 531 #define SWM_ARG_ID_MOVEUP       (100)
 532 #define SWM_ARG_ID_MOVEDOWN     (101)
 533 #define SWM_ARG_ID_MOVELEFT     (102)
 534 #define SWM_ARG_ID_MOVERIGHT    (103)
 535         char                    **argv;
 536 };
 537
 538 void    focus(struct swm_region *, union arg *);
 539 void    focus_magic(struct ws_win *);
 540
 541 /* quirks */
 542 struct quirk {
 543         TAILQ_ENTRY(quirk)      entry;
 544         char                    *class;
 545         char                    *name;
 546         unsigned long           quirk;
 547 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 548 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 549 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 550 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 551 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 552 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 553 };
 554 TAILQ_HEAD(quirk_list, quirk);
 555 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 556
 557 /*
 558  * Supported EWMH hints should be added to
 559  * both the enum and the ewmh array
 560  */
 561 enum {
 562         _NET_ACTIVE_WINDOW,
 563         _NET_CLOSE_WINDOW,
 564         _NET_MOVERESIZE_WINDOW,
 565         _NET_WM_ACTION_CLOSE,
 566         _NET_WM_ACTION_FULLSCREEN,
 567         _NET_WM_ACTION_MOVE,
 568         _NET_WM_ACTION_RESIZE,
 569         _NET_WM_ALLOWED_ACTIONS,
 570         _NET_WM_STATE,
 571         _NET_WM_STATE_ABOVE,
 572         _NET_WM_STATE_FULLSCREEN,
 573         _NET_WM_STATE_HIDDEN,
 574         _NET_WM_STATE_MAXIMIZED_HORZ,
 575         _NET_WM_STATE_MAXIMIZED_VERT,
 576         _NET_WM_STATE_SKIP_PAGER,
 577         _NET_WM_STATE_SKIP_TASKBAR,
 578         _NET_WM_WINDOW_TYPE,
 579         _NET_WM_WINDOW_TYPE_DIALOG,
 580         _NET_WM_WINDOW_TYPE_DOCK,
 581         _NET_WM_WINDOW_TYPE_NORMAL,
 582         _NET_WM_WINDOW_TYPE_SPLASH,
 583         _NET_WM_WINDOW_TYPE_TOOLBAR,
 584         _NET_WM_WINDOW_TYPE_UTILITY,
 585         _SWM_WM_STATE_MANUAL,
 586         SWM_EWMH_HINT_MAX
 587 };
 588
 589 struct ewmh_hint {
 590         char            *name;
 591         xcb_atom_t      atom;
 592 } ewmh[SWM_EWMH_HINT_MAX] =     {
 593     /* must be in same order as in the enum */
 594     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 595     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 596     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 597     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 598     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 599     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 600     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 601     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 602     {"_NET_WM_STATE", XCB_ATOM_NONE},
 603     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 604     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 605     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 606     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 607     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 608     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 609     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 610     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 611     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 612     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 613     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 614     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 615     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 616     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 617     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 618 };
 619
 620 void             store_float_geom(struct ws_win *, struct swm_region *);
 621 int              floating_toggle_win(struct ws_win *);
 622 void             constrain_window(struct ws_win *, struct swm_region *, int);
 623 void             update_window(struct ws_win *);
 624 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 625 unsigned char   *get_win_name(xcb_window_t);
 626
 627 int
 628 get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
 629     unsigned long *nbytes, unsigned char **data)
 630 {
 631         int                     format, status;
 632         unsigned long           *nbytes_ret, *nitems_ret;
 633         unsigned long           nbytes_tmp, nitems_tmp;
 634         Atom                    real;
 635
 636         nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
 637         nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
 638
 639         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 640             &real, &format, nitems_ret, nbytes_ret, data);
 641
 642         if (status != Success)
 643                 return (False);
 644         if (real != type)
 645                 return (False);
 646
 647         return (True);
 648 }
 649
 650 void
 651 update_iconic(struct ws_win *win, int newv)
 652 {
 653         int32_t                         v = newv;
 654         xcb_atom_t                      iprop;
 655         xcb_intern_atom_cookie_t        c;
 656         xcb_intern_atom_reply_t         *r;
 657
 658         win->iconic = newv;
 659
 660         c = xcb_intern_atom(conn, False, strlen("_SWM_ICONIC"), "_SWM_ICONIC");
 661         r = xcb_intern_atom_reply(conn, c, NULL);
 662         if (r) {
 663                 iprop = r->atom;
 664                 free(r);
 665         } else
 666                 return;
 667
 668         if (newv)
 669                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 670                         iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 671         else
 672                 xcb_delete_property(conn, win->id, iprop);
 673 }
 674
 675 int
 676 get_iconic(struct ws_win *win)
 677 {
 678         int32_t v = 0, *vtmp;
 679         xcb_atom_t                      iprop;
 680         xcb_intern_atom_cookie_t        c;
 681         xcb_intern_atom_reply_t         *r;
 682         xcb_get_property_cookie_t       pc;
 683         xcb_get_property_reply_t        *pr;
 684
 685         c = xcb_intern_atom(conn, False, strlen("_SWM_ICONIC"), "_SWM_ICONIC");
 686         r = xcb_intern_atom_reply(conn, c, NULL);
 687         if (r) {
 688                 iprop = r->atom;
 689                 free(r);
 690         } else
 691                 goto out;
 692
 693         pc = xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 694                         0, 1);
 695         pr = xcb_get_property_reply(conn, pc, NULL);
 696         if (!pr)
 697                 goto out;
 698         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 699                 goto out;
 700         vtmp = xcb_get_property_value(pr);
 701         v = *vtmp;
 702 out:
 703         if (pr != NULL)
 704                 free(pr);
 705         return (v);
 706 }
 707
 708 void
 709 setup_ewmh(void)
 710 {
 711         xcb_atom_t                      sup_list;
 712         xcb_intern_atom_cookie_t        c;
 713         xcb_intern_atom_reply_t         *r;
 714         int                             i, j, num_screens;
 715
 716         c = xcb_intern_atom(conn, False, strlen("_NET_SUPPORTED"),
 717                 "_NET_SUPPORTED");
 718         r = xcb_intern_atom_reply(conn, c, NULL);
 719         if (r) {
 720                 sup_list = r->atom;
 721                 free(r);
 722         }
 723
 724         for (i = 0; i < LENGTH(ewmh); i++) {
 725                 c = xcb_intern_atom(conn, False, strlen(ewmh[i].name),
 726                         ewmh[i].name);
 727                 r = xcb_intern_atom_reply(conn, c, NULL);
 728                 if (r) {
 729                         ewmh[i].atom = r->atom;
 730                         free(r);
 731                 }
 732         }
 733
 734         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 735         for (i = 0; i < num_screens; i++) {
 736                 /* Support check window will be created by workaround(). */
 737
 738                 /* Report supported atoms */
 739                 xcb_delete_property(conn, screens[i].root, sup_list);
 740                 for (j = 0; j < LENGTH(ewmh); j++)
 741                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 742                                 screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 743                                 &ewmh[j].atom);
 744         }
 745 }
 746
 747 void
 748 teardown_ewmh(void)
 749 {
 750         int                     i, success, num_screens;
 751         unsigned char           *data = NULL;
 752         unsigned long           n;
 753         Atom                    sup_check, sup_list;
 754         Window                  id;
 755
 756         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 757         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 758
 759         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 760         for (i = 0; i < num_screens; i++) {
 761                 /* Get the support check window and destroy it */
 762                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 763                     &n, NULL, &data);
 764
 765                 if (success) {
 766                         id = data[0];
 767                         XDestroyWindow(display, id);
 768                         XDeleteProperty(display, screens[i].root, sup_check);
 769                         XDeleteProperty(display, screens[i].root, sup_list);
 770                 }
 771
 772                 XFree(data);
 773         }
 774 }
 775
 776 void
 777 ewmh_autoquirk(struct ws_win *win)
 778 {
 779         int                     success, i;
 780         unsigned long           *data = NULL, n;
 781         Atom                    type;
 782
 783         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 784             XA_ATOM, &n, NULL, (void *)&data);
 785
 786         if (!success) {
 787                 XFree(data);
 788                 return;
 789         }
 790
 791         for (i = 0; i < n; i++) {
 792                 type = data[i];
 793                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 794                         break;
 795                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 796                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 797                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 798                         win->floating = 1;
 799                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 800                         break;
 801                 }
 802                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 803                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 804                         win->floating = 1;
 805                         win->quirks = SWM_Q_FLOAT;
 806                         break;
 807                 }
 808         }
 809
 810         XFree(data);
 811 }
 812
 813 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 814 #define EWMH_F_FULLSCREEN               (1<<0)
 815 #define EWMH_F_ABOVE                    (1<<1)
 816 #define EWMH_F_HIDDEN                   (1<<2)
 817 #define EWMH_F_SKIP_PAGER               (1<<3)
 818 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 819 #define SWM_F_MANUAL                    (1<<5)
 820
 821 int
 822 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 823 {
 824         if (!win->ws->r)
 825                 return (0);
 826
 827         if (!win->floating)
 828                 return (0);
 829
 830         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 831             "fullscreen %s\n", win->id, YESNO(fs));
 832
 833         if (fs) {
 834                 if (!win->g_floatvalid)
 835                         store_float_geom(win, win->ws->r);
 836
 837                 win->g = win->ws->r->g;
 838                 win->bordered = 0;
 839         } else {
 840                 if (win->g_floatvalid) {
 841                         /* refloat at last floating relative position */
 842                         win->g = win->g_float;
 843                         X(win) += X(win->ws->r);
 844                         Y(win) += Y(win->ws->r);
 845                 }
 846         }
 847
 848         return (1);
 849 }
 850
 851 void
 852 ewmh_update_actions(struct ws_win *win)
 853 {
 854         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 855         int                     n = 0;
 856
 857         if (win == NULL)
 858                 return;
 859
 860         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 861
 862         if (win->floating) {
 863                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 864                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 865         }
 866
 867         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 868                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 869                 actions);
 870 }
 871
 872 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 873 #define _NET_WM_STATE_ADD       1    /* add/set property */
 874 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 875
 876 void
 877 ewmh_update_win_state(struct ws_win *win, long state, long action)
 878 {
 879         unsigned int            mask = 0;
 880         unsigned int            changed = 0;
 881         unsigned int            orig_flags;
 882
 883         if (win == NULL)
 884                 return;
 885
 886         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 887                 mask = EWMH_F_FULLSCREEN;
 888         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 889                 mask = EWMH_F_ABOVE;
 890         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 891                 mask = SWM_F_MANUAL;
 892         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 893                 mask = EWMH_F_SKIP_PAGER;
 894         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 895                 mask = EWMH_F_SKIP_TASKBAR;
 896
 897
 898         orig_flags = win->ewmh_flags;
 899
 900         switch (action) {
 901         case _NET_WM_STATE_REMOVE:
 902                 win->ewmh_flags &= ~mask;
 903                 break;
 904         case _NET_WM_STATE_ADD:
 905                 win->ewmh_flags |= mask;
 906                 break;
 907         case _NET_WM_STATE_TOGGLE:
 908                 win->ewmh_flags ^= mask;
 909                 break;
 910         }
 911
 912         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 913
 914         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 915                 if (changed)
 916                         if (!floating_toggle_win(win))
 917                                 win->ewmh_flags = orig_flags; /* revert */
 918         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 919                 if (changed)
 920                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 921         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 922                 if (changed)
 923                         if (!ewmh_set_win_fullscreen(win,
 924                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 925                                 win->ewmh_flags = orig_flags; /* revert */
 926
 927         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 928
 929         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 930                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 931                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 932                         &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 933         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 934                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 935                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 936                         &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 937         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 938                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 939                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 940                         &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
 941         if (win->ewmh_flags & EWMH_F_ABOVE)
 942                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 943                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 944                         &ewmh[_NET_WM_STATE_ABOVE].atom);
 945         if (win->ewmh_flags & SWM_F_MANUAL)
 946                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 947                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 948                         &ewmh[_SWM_WM_STATE_MANUAL].atom);
 949 }
 950
 951 void
 952 ewmh_get_win_state(struct ws_win *win)
 953 {
 954         int                     success, i;
 955         unsigned long           n;
 956         Atom                    *states;
 957
 958         if (win == NULL)
 959                 return;
 960
 961         win->ewmh_flags = 0;
 962         if (win->floating)
 963                 win->ewmh_flags |= EWMH_F_ABOVE;
 964         if (win->manual)
 965                 win->ewmh_flags |= SWM_F_MANUAL;
 966
 967         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 968             (~0L), XA_ATOM, &n, NULL, (void *)&states);
 969
 970         if (!success)
 971                 return;
 972
 973         for (i = 0; i < n; i++)
 974                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 975
 976         XFree(states);
 977 }
 978
 979 /* events */
 980 #ifdef SWM_DEBUG
 981 char *
 982 geteventname(XEvent *e)
 983 {
 984         char                    *name = NULL;
 985
 986         switch (e->type) {
 987         case KeyPress:
 988                 name = "KeyPress";
 989                 break;
 990         case KeyRelease:
 991                 name = "KeyRelease";
 992                 break;
 993         case ButtonPress:
 994                 name = "ButtonPress";
 995                 break;
 996         case ButtonRelease:
 997                 name = "ButtonRelease";
 998                 break;
 999         case MotionNotify:
1000                 name = "MotionNotify";
1001                 break;
1002         case EnterNotify:
1003                 name = "EnterNotify";
1004                 break;
1005         case LeaveNotify:
1006                 name = "LeaveNotify";
1007                 break;
1008         case FocusIn:
1009                 name = "FocusIn";
1010                 break;
1011         case FocusOut:
1012                 name = "FocusOut";
1013                 break;
1014         case KeymapNotify:
1015                 name = "KeymapNotify";
1016                 break;
1017         case Expose:
1018                 name = "Expose";
1019                 break;
1020         case GraphicsExpose:
1021                 name = "GraphicsExpose";
1022                 break;
1023         case NoExpose:
1024                 name = "NoExpose";
1025                 break;
1026         case VisibilityNotify:
1027                 name = "VisibilityNotify";
1028                 break;
1029         case CreateNotify:
1030                 name = "CreateNotify";
1031                 break;
1032         case DestroyNotify:
1033                 name = "DestroyNotify";
1034                 break;
1035         case UnmapNotify:
1036                 name = "UnmapNotify";
1037                 break;
1038         case MapNotify:
1039                 name = "MapNotify";
1040                 break;
1041         case MapRequest:
1042                 name = "MapRequest";
1043                 break;
1044         case ReparentNotify:
1045                 name = "ReparentNotify";
1046                 break;
1047         case ConfigureNotify:
1048                 name = "ConfigureNotify";
1049                 break;
1050         case ConfigureRequest:
1051                 name = "ConfigureRequest";
1052                 break;
1053         case GravityNotify:
1054                 name = "GravityNotify";
1055                 break;
1056         case ResizeRequest:
1057                 name = "ResizeRequest";
1058                 break;
1059         case CirculateNotify:
1060                 name = "CirculateNotify";
1061                 break;
1062         case CirculateRequest:
1063                 name = "CirculateRequest";
1064                 break;
1065         case PropertyNotify:
1066                 name = "PropertyNotify";
1067                 break;
1068         case SelectionClear:
1069                 name = "SelectionClear";
1070                 break;
1071         case SelectionRequest:
1072                 name = "SelectionRequest";
1073                 break;
1074         case SelectionNotify:
1075                 name = "SelectionNotify";
1076                 break;
1077         case ColormapNotify:
1078                 name = "ColormapNotify";
1079                 break;
1080         case ClientMessage:
1081                 name = "ClientMessage";
1082                 break;
1083         case MappingNotify:
1084                 name = "MappingNotify";
1085                 break;
1086         default:
1087                 name = "Unknown";
1088         }
1089
1090         return (name);
1091 }
1092
1093 char *
1094 xrandr_geteventname(XEvent *e)
1095 {
1096         char                    *name = NULL;
1097
1098         switch(e->type - xrandr_eventbase) {
1099         case RRScreenChangeNotify:
1100                 name = "RRScreenChangeNotify";
1101                 break;
1102         default:
1103                 name = "Unknown";
1104         }
1105
1106         return (name);
1107 }
1108
1109 void
1110 dumpwins(struct swm_region *r, union arg *args)
1111 {
1112         struct ws_win           *win;
1113         unsigned int            state;
1114         XWindowAttributes       wa;
1115
1116         if (r->ws == NULL) {
1117                 warnx("dumpwins: invalid workspace");
1118                 return;
1119         }
1120
1121         warnx("=== managed window list ws %02d ===", r->ws->idx);
1122
1123         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1124                 state = getstate(win->id);
1125                 if (!XGetWindowAttributes(display, win->id, &wa))
1126                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1127                             win->id);
1128                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1129                     "transient: 0x%lx", win->id, wa.map_state, state,
1130                     win->transient);
1131         }
1132
1133         warnx("===== unmanaged window list =====");
1134         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1135                 state = getstate(win->id);
1136                 if (!XGetWindowAttributes(display, win->id, &wa))
1137                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1138                             win->id);
1139                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1140                     "transient: 0x%lx", win->id, wa.map_state, state,
1141                     win->transient);
1142         }
1143
1144         warnx("=================================");
1145 }
1146 #else
1147 void
1148 dumpwins(struct swm_region *r, union arg *args)
1149 {
1150 }
1151 #endif /* SWM_DEBUG */
1152
1153 void                    expose(XEvent *);
1154 void                    keypress(XEvent *);
1155 void                    buttonpress(XEvent *);
1156 void                    configurerequest(XEvent *);
1157 void                    configurenotify(XEvent *);
1158 void                    destroynotify(XEvent *);
1159 void                    enternotify(XEvent *);
1160 void                    focusevent(XEvent *);
1161 void                    mapnotify(XEvent *);
1162 void                    mappingnotify(XEvent *);
1163 void                    maprequest(XEvent *);
1164 void                    propertynotify(XEvent *);
1165 void                    unmapnotify(XEvent *);
1166 void                    visibilitynotify(XEvent *);
1167 void                    clientmessage(XEvent *);
1168
1169 void                    (*handler[LASTEvent])(XEvent *) = {
1170                                 [Expose] = expose,
1171                                 [KeyPress] = keypress,
1172                                 [ButtonPress] = buttonpress,
1173                                 [ConfigureRequest] = configurerequest,
1174                                 [ConfigureNotify] = configurenotify,
1175                                 [DestroyNotify] = destroynotify,
1176                                 [EnterNotify] = enternotify,
1177                                 [FocusIn] = focusevent,
1178                                 [FocusOut] = focusevent,
1179                                 [MapNotify] = mapnotify,
1180                                 [MappingNotify] = mappingnotify,
1181                                 [MapRequest] = maprequest,
1182                                 [PropertyNotify] = propertynotify,
1183                                 [UnmapNotify] = unmapnotify,
1184                                 [VisibilityNotify] = visibilitynotify,
1185                                 [ClientMessage] = clientmessage,
1186 };
1187
1188 void
1189 sighdlr(int sig)
1190 {
1191         int                     saved_errno, status;
1192         pid_t                   pid;
1193
1194         saved_errno = errno;
1195
1196         switch (sig) {
1197         case SIGCHLD:
1198                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1199                         if (pid == -1) {
1200                                 if (errno == EINTR)
1201                                         continue;
1202 #ifdef SWM_DEBUG
1203                                 if (errno != ECHILD)
1204                                         warn("sighdlr: waitpid");
1205 #endif /* SWM_DEBUG */
1206                                 break;
1207                         }
1208                         if (pid == searchpid)
1209                                 search_resp = 1;
1210
1211 #ifdef SWM_DEBUG
1212                         if (WIFEXITED(status)) {
1213                                 if (WEXITSTATUS(status) != 0)
1214                                         warnx("sighdlr: child exit status: %d",
1215                                             WEXITSTATUS(status));
1216                         } else
1217                                 warnx("sighdlr: child is terminated "
1218                                     "abnormally");
1219 #endif /* SWM_DEBUG */
1220                 }
1221                 break;
1222
1223         case SIGHUP:
1224                 restart_wm = 1;
1225                 break;
1226         case SIGINT:
1227         case SIGTERM:
1228         case SIGQUIT:
1229                 running = 0;
1230                 break;
1231         }
1232
1233         errno = saved_errno;
1234 }
1235
1236 struct pid_e *
1237 find_pid(long pid)
1238 {
1239         struct pid_e            *p = NULL;
1240
1241         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1242
1243         if (pid == 0)
1244                 return (NULL);
1245
1246         TAILQ_FOREACH(p, &pidlist, entry) {
1247                 if (p->pid == pid)
1248                         return (p);
1249         }
1250
1251         return (NULL);
1252 }
1253
1254 unsigned long
1255 name_to_color(char *colorname)
1256 {
1257         Colormap                cmap;
1258         Status                  status;
1259         XColor                  screen_def, exact_def;
1260         unsigned long           result = 0;
1261         char                    cname[32] = "#";
1262
1263         cmap = DefaultColormap(display, screens[0].idx);
1264         status = XAllocNamedColor(display, cmap, colorname,
1265             &screen_def, &exact_def);
1266         if (!status) {
1267                 strlcat(cname, colorname + 2, sizeof cname - 1);
1268                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1269                     &exact_def);
1270         }
1271         if (status)
1272                 result = screen_def.pixel;
1273         else
1274                 warnx("color '%s' not found", colorname);
1275
1276         return (result);
1277 }
1278
1279 void
1280 setscreencolor(char *val, int i, int c)
1281 {
1282         int     num_screens;
1283
1284         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1285         if (i > 0 && i <= num_screens) {
1286                 screens[i - 1].c[c].color = name_to_color(val);
1287                 free(screens[i - 1].c[c].name);
1288                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1289                         err(1, "strdup");
1290         } else if (i == -1) {
1291                 for (i = 0; i < num_screens; i++) {
1292                         screens[i].c[c].color = name_to_color(val);
1293                         free(screens[i].c[c].name);
1294                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1295                                 err(1, "strdup");
1296                 }
1297         } else
1298                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1299                     i, num_screens);
1300 }
1301
1302 void
1303 fancy_stacker(struct workspace *ws)
1304 {
1305         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1306         if (ws->cur_layout->l_stack == vertical_stack)
1307                 snprintf(ws->stacker, sizeof ws->stacker,
1308                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1309                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1310         if (ws->cur_layout->l_stack == horizontal_stack)
1311                 snprintf(ws->stacker, sizeof ws->stacker,
1312                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1313                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1314 }
1315
1316 void
1317 plain_stacker(struct workspace *ws)
1318 {
1319         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1320         if (ws->cur_layout->l_stack == vertical_stack)
1321                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1322                     sizeof ws->stacker);
1323         if (ws->cur_layout->l_stack == horizontal_stack)
1324                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1325                     sizeof ws->stacker);
1326 }
1327
1328 void
1329 custom_region(char *val)
1330 {
1331         unsigned int                    sidx, x, y, w, h;
1332         int                             num_screens;
1333
1334         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1335         if (sscanf(val, "screen[%u]:%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         if (w < 1 || h < 1)
1344                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1345
1346         if (x > DisplayWidth(display, sidx) ||
1347             y > DisplayHeight(display, sidx) ||
1348             w + x > DisplayWidth(display, sidx) ||
1349             h + y > DisplayHeight(display, sidx)) {
1350                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1351                     "boundaries (%ux%u)", w, h, x, y,
1352                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1353                 return;
1354         }
1355
1356         new_region(&screens[sidx], x, y, w, h);
1357 }
1358
1359 void
1360 socket_setnonblock(int fd)
1361 {
1362         int                     flags;
1363
1364         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1365                 err(1, "fcntl F_GETFL");
1366         flags |= O_NONBLOCK;
1367         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1368                 err(1, "fcntl F_SETFL");
1369 }
1370
1371 void
1372 bar_print(struct swm_region *r, const char *s)
1373 {
1374         int                     x = 0;
1375         size_t                  len;
1376         XRectangle              ibox, lbox;
1377
1378         len = strlen(s);
1379         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1380
1381         switch (bar_justify) {
1382         case SWM_BAR_JUSTIFY_LEFT:
1383                 x = SWM_BAR_OFFSET;
1384                 break;
1385         case SWM_BAR_JUSTIFY_CENTER:
1386                 x = (WIDTH(r) - lbox.width) / 2;
1387                 break;
1388         case SWM_BAR_JUSTIFY_RIGHT:
1389                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1390                 break;
1391         }
1392
1393         if (x < SWM_BAR_OFFSET)
1394                 x = SWM_BAR_OFFSET;
1395
1396         /* clear back buffer */
1397         XSetForeground(display, r->s->bar_gc, r->s->c[SWM_S_COLOR_BAR].color);
1398         XFillRectangle(display, r->bar->buffer, r->s->bar_gc, 0, 0,
1399             WIDTH(r->bar), HEIGHT(r->bar));
1400
1401         /* draw back buffer */
1402         XSetForeground(display, r->s->bar_gc,
1403             r->s->c[SWM_S_COLOR_BAR_FONT].color);
1404         DRAWSTRING(display, r->bar->buffer, bar_fs, r->s->bar_gc,
1405             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1406             lbox.y, s, len);
1407
1408         /* blt */
1409         XCopyArea(display, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1410             WIDTH(r->bar), HEIGHT(r->bar), 0, 0);
1411 }
1412
1413 void
1414 bar_extra_stop(void)
1415 {
1416         if (bar_pipe[0]) {
1417                 close(bar_pipe[0]);
1418                 bzero(bar_pipe, sizeof bar_pipe);
1419         }
1420         if (bar_pid) {
1421                 kill(bar_pid, SIGTERM);
1422                 bar_pid = 0;
1423         }
1424         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1425         bar_extra = 0;
1426 }
1427
1428 void
1429 bar_class_name(char *s, size_t sz, struct swm_region *r)
1430 {
1431         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1432                 return;
1433         if (r->ws->focus->ch.res_class != NULL)
1434                 strlcat(s, r->ws->focus->ch.res_class, sz);
1435 }
1436
1437 void
1438 bar_title_name(char *s, size_t sz, struct swm_region *r)
1439 {
1440         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1441                 return;
1442         if (r->ws->focus->ch.res_name != NULL)
1443                 strlcat(s, r->ws->focus->ch.res_name, sz);
1444 }
1445
1446 void
1447 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1448 {
1449         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1450                 return;
1451
1452         bar_class_name(s, sz, r);
1453         strlcat(s, ":", sz);
1454         bar_title_name(s, sz, r);
1455 }
1456
1457 void
1458 bar_window_float(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->floating)
1463                 strlcat(s, "(f)", sz);
1464 }
1465
1466 void
1467 bar_window_name(char *s, size_t sz, struct swm_region *r)
1468 {
1469         unsigned char           *title;
1470
1471         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1472                 return;
1473         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1474                 return;
1475
1476         strlcat(s, (char *)title, sz);
1477         XFree(title);
1478 }
1479
1480 int             urgent[SWM_WS_MAX];
1481 void
1482 bar_urgent(char *s, size_t sz)
1483 {
1484         XWMHints                *wmh = NULL;
1485         struct ws_win           *win;
1486         int                     i, j, num_screens;
1487         char                    b[8];
1488
1489         for (i = 0; i < workspace_limit; i++)
1490                 urgent[i] = 0;
1491
1492         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1493         for (i = 0; i < num_screens; i++)
1494                 for (j = 0; j < workspace_limit; j++)
1495                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1496                                 wmh = XGetWMHints(display, win->id);
1497                                 if (wmh == NULL)
1498                                         continue;
1499
1500                                 if (wmh->flags & XUrgencyHint)
1501                                         urgent[j] = 1;
1502                                 XFree(wmh);
1503                         }
1504
1505         for (i = 0; i < workspace_limit; i++) {
1506                 if (urgent[i])
1507                         snprintf(b, sizeof b, "%d ", i + 1);
1508                 else
1509                         snprintf(b, sizeof b, "- ");
1510                 strlcat(s, b, sz);
1511         }
1512 }
1513
1514 void
1515 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1516 {
1517         if (r == NULL || r->ws == NULL)
1518                 return;
1519         if (r->ws->name != NULL)
1520                 strlcat(s, r->ws->name, sz);
1521 }
1522
1523 /* build the default bar format according to the defined enabled options */
1524 void
1525 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1526 {
1527         /* if format provided, just copy the buffers */
1528         if (bar_format != NULL) {
1529                 strlcpy(fmtnew, fmtexp, sz);
1530                 return;
1531         }
1532
1533         /* reset the output buffer */
1534         *fmtnew = '\0';
1535
1536         strlcat(fmtnew, "+N:+I ", sz);
1537         if (stack_enabled)
1538                 strlcat(fmtnew, "+S", sz);
1539         strlcat(fmtnew, " ", sz);
1540
1541         /* only show the workspace name if there's actually one */
1542         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1543                 strlcat(fmtnew, "<+D>", sz);
1544         strlcat(fmtnew, "+3<", sz);
1545
1546         if (clock_enabled) {
1547                 strlcat(fmtnew, fmtexp, sz);
1548                 strlcat(fmtnew, "+4<", sz);
1549         }
1550
1551         /* bar_urgent already adds the space before the last asterisk */
1552         if (urgent_enabled)
1553                 strlcat(fmtnew, "* +U*+4<", sz);
1554
1555         if (title_class_enabled) {
1556                 strlcat(fmtnew, "+C", sz);
1557                 if (title_name_enabled == 0)
1558                         strlcat(fmtnew, "+4<", sz);
1559         }
1560
1561         /* checks needed by the colon and floating strlcat(3) calls below */
1562         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1563                 if (title_name_enabled) {
1564                         if (title_class_enabled)
1565                                 strlcat(fmtnew, ":", sz);
1566                         strlcat(fmtnew, "+T+4<", sz);
1567                 }
1568                 if (window_name_enabled) {
1569                         if (r->ws->focus->floating)
1570                                 strlcat(fmtnew, "+F ", sz);
1571                         strlcat(fmtnew, "+64W ", sz);
1572                 }
1573         }
1574
1575         /* finally add the action script output and the version */
1576         strlcat(fmtnew, "+4<+A+4<+V", sz);
1577 }
1578
1579 void
1580 bar_replace_pad(char *tmp, int *limit, size_t sz)
1581 {
1582         /* special case; no limit given, pad one space, instead */
1583         if (*limit == sz - 1)
1584                 *limit = 1;
1585         snprintf(tmp, sz, "%*s", *limit, " ");
1586 }
1587
1588 /* replaces the bar format character sequences (like in tmux(1)) */
1589 char *
1590 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1591     size_t sz)
1592 {
1593         char                    *ptr;
1594         char                    tmp[SWM_BAR_MAX];
1595         int                     limit, size;
1596         size_t                  len;
1597
1598         /* reset strlcat(3) buffer */
1599         *tmp = '\0';
1600
1601         /* get number, if any */
1602         fmt++;
1603         size = 0;
1604         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1605                 limit = sizeof tmp - 1;
1606         if (limit <= 0 || limit >= sizeof tmp)
1607                 limit = sizeof tmp - 1;
1608
1609         /* there is nothing to replace (ie EOL) */
1610         fmt += size;
1611         if (*fmt == '\0')
1612                 return (fmt);
1613
1614         switch (*fmt) {
1615         case '<':
1616                 bar_replace_pad(tmp, &limit, sizeof tmp);
1617                 break;
1618         case 'A':
1619                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1620                 break;
1621         case 'C':
1622                 bar_class_name(tmp, sizeof tmp, r);
1623                 break;
1624         case 'D':
1625                 bar_workspace_name(tmp, sizeof tmp, r);
1626                 break;
1627         case 'F':
1628                 bar_window_float(tmp, sizeof tmp, r);
1629                 break;
1630         case 'I':
1631                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1632                 break;
1633         case 'N':
1634                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1635                 break;
1636         case 'P':
1637                 bar_class_title_name(tmp, sizeof tmp, r);
1638                 break;
1639         case 'S':
1640                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1641                 break;
1642         case 'T':
1643                 bar_title_name(tmp, sizeof tmp, r);
1644                 break;
1645         case 'U':
1646                 bar_urgent(tmp, sizeof tmp);
1647                 break;
1648         case 'V':
1649                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1650                 break;
1651         case 'W':
1652                 bar_window_name(tmp, sizeof tmp, r);
1653                 break;
1654         default:
1655                 /* unknown character sequence; copy as-is */
1656                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1657                 break;
1658         }
1659
1660         len = strlen(tmp);
1661         ptr = tmp;
1662         if (len < limit)
1663                 limit = len;
1664         while (limit-- > 0) {
1665                 if (*offrep >= sz - 1)
1666                         break;
1667                 fmtrep[(*offrep)++] = *ptr++;
1668         }
1669
1670         fmt++;
1671         return (fmt);
1672 }
1673
1674 void
1675 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1676 {
1677         size_t                  off;
1678
1679         off = 0;
1680         while (*fmt != '\0') {
1681                 if (*fmt != '+') {
1682                         /* skip ordinary characters */
1683                         if (off >= sz - 1)
1684                                 break;
1685                         fmtrep[off++] = *fmt++;
1686                         continue;
1687                 }
1688
1689                 /* character sequence found; replace it */
1690                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1691                 if (off >= sz - 1)
1692                         break;
1693         }
1694
1695         fmtrep[off] = '\0';
1696 }
1697
1698 void
1699 bar_fmt_expand(char *fmtexp, size_t sz)
1700 {
1701         char                    *fmt = NULL;
1702         size_t                  len;
1703         struct tm               tm;
1704         time_t                  tmt;
1705
1706         /* start by grabbing the current time and date */
1707         time(&tmt);
1708         localtime_r(&tmt, &tm);
1709
1710         /* figure out what to expand */
1711         if (bar_format != NULL)
1712                 fmt = bar_format;
1713         else if (bar_format == NULL && clock_enabled)
1714                 fmt = clock_format;
1715         /* if nothing to expand bail out */
1716         if (fmt == NULL) {
1717                 *fmtexp = '\0';
1718                 return;
1719         }
1720
1721         /* copy as-is, just in case the format shouldn't be expanded below */
1722         strlcpy(fmtexp, fmt, sz);
1723         /* finally pass the string through strftime(3) */
1724 #ifndef SWM_DENY_CLOCK_FORMAT
1725         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1726                 warnx("format too long");
1727         fmtexp[len] = '\0';
1728 #endif
1729 }
1730
1731 void
1732 bar_fmt_print(void)
1733 {
1734         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1735         char                    fmtrep[SWM_BAR_MAX];
1736         int                     i, num_screens;
1737         struct swm_region       *r;
1738
1739         /* expand the format by first passing it through strftime(3) */
1740         bar_fmt_expand(fmtexp, sizeof fmtexp);
1741
1742         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1743         for (i = 0; i < num_screens; i++) {
1744                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1745                         if (r->bar == NULL)
1746                                 continue;
1747                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1748                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1749                         bar_print(r, fmtrep);
1750                 }
1751         }
1752 }
1753
1754 void
1755 bar_update(void)
1756 {
1757         size_t                  len;
1758         char                    *b;
1759
1760         if (bar_enabled == 0)
1761                 return;
1762         if (bar_extra && bar_extra_running) {
1763                 /* ignore short reads; it'll correct itself */
1764                 while ((b = fgetln(stdin, &len)) != NULL)
1765                         if (b && b[len - 1] == '\n') {
1766                                 b[len - 1] = '\0';
1767                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1768                         }
1769                 if (b == NULL && errno != EAGAIN) {
1770                         warn("bar_update: bar_extra failed");
1771                         bar_extra_stop();
1772                 }
1773         } else
1774                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1775
1776         bar_fmt_print();
1777         alarm(bar_delay);
1778 }
1779
1780 void
1781 bar_signal(int sig)
1782 {
1783         bar_alarm = 1;
1784 }
1785
1786 void
1787 bar_toggle(struct swm_region *r, union arg *args)
1788 {
1789         struct swm_region       *tmpr;
1790         int                     i, num_screens;
1791
1792         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1793
1794         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1795         if (bar_enabled) {
1796                 for (i = 0; i < num_screens; i++)
1797                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1798                                 if (tmpr->bar)
1799                                         XUnmapWindow(display, tmpr->bar->id);
1800         } else {
1801                 for (i = 0; i < num_screens; i++)
1802                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1803                                 if (tmpr->bar)
1804                                         XMapRaised(display, tmpr->bar->id);
1805         }
1806
1807         bar_enabled = !bar_enabled;
1808
1809         stack();
1810         /* must be after stack */
1811         bar_update();
1812 }
1813
1814 void
1815 bar_refresh(void)
1816 {
1817         XSetWindowAttributes    wa;
1818         struct swm_region       *r;
1819         int                     i, num_screens;
1820
1821         /* do this here because the conf file is in memory */
1822         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1823                 /* launch external status app */
1824                 bar_extra_running = 1;
1825                 if (pipe(bar_pipe) == -1)
1826                         err(1, "pipe error");
1827                 socket_setnonblock(bar_pipe[0]);
1828                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1829                 if (dup2(bar_pipe[0], 0) == -1)
1830                         err(1, "dup2");
1831                 if (dup2(bar_pipe[1], 1) == -1)
1832                         err(1, "dup2");
1833                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1834                         err(1, "could not disable SIGPIPE");
1835                 switch (bar_pid = fork()) {
1836                 case -1:
1837                         err(1, "cannot fork");
1838                         break;
1839                 case 0: /* child */
1840                         close(bar_pipe[0]);
1841                         execvp(bar_argv[0], bar_argv);
1842                         err(1, "%s external app failed", bar_argv[0]);
1843                         break;
1844                 default: /* parent */
1845                         close(bar_pipe[1]);
1846                         break;
1847                 }
1848         }
1849
1850         bzero(&wa, sizeof wa);
1851         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1852         for (i = 0; i < num_screens; i++)
1853                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1854                         if (r->bar == NULL)
1855                                 continue;
1856                         wa.border_pixel =
1857                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1858                         wa.background_pixel =
1859                             screens[i].c[SWM_S_COLOR_BAR].color;
1860                         XChangeWindowAttributes(display, r->bar->id,
1861                             CWBackPixel | CWBorderPixel, &wa);
1862                 }
1863         bar_update();
1864 }
1865
1866 void
1867 bar_setup(struct swm_region *r)
1868 {
1869         char                    *default_string;
1870         char                    **missing_charsets;
1871         int                     num_missing_charsets = 0;
1872         int                     i;
1873
1874         if (bar_fs) {
1875                 XFreeFontSet(display, bar_fs);
1876                 bar_fs = NULL;
1877         }
1878
1879         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1880                 err(1, "bar_setup: calloc: failed to allocate memory.");
1881
1882         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1883
1884         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1885             &num_missing_charsets, &default_string);
1886
1887         if (num_missing_charsets > 0) {
1888                 warnx("Unable to load charset(s):");
1889
1890                 for (i = 0; i < num_missing_charsets; ++i)
1891                         warnx("%s", missing_charsets[i]);
1892
1893                 XFreeStringList(missing_charsets);
1894
1895                 if (strcmp(default_string, ""))
1896                         warnx("Glyphs from those sets will be replaced "
1897                             "by '%s'.", default_string);
1898                 else
1899                         warnx("Glyphs from those sets won't be drawn.");
1900         }
1901
1902         if (bar_fs == NULL)
1903                 errx(1, "Error creating font set structure.");
1904
1905         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1906
1907         bar_height = bar_fs_extents->max_logical_extent.height +
1908             2 * bar_border_width;
1909
1910         if (bar_height < 1)
1911                 bar_height = 1;
1912
1913         X(r->bar) = X(r);
1914         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1915         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1916         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1917
1918         r->bar->id = XCreateSimpleWindow(display,
1919             r->s->root, X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1920             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1921             r->s->c[SWM_S_COLOR_BAR].color);
1922
1923         r->bar->buffer = XCreatePixmap(display, r->bar->id, WIDTH(r->bar),
1924             HEIGHT(r->bar), DefaultDepth(display, r->s->idx));
1925
1926         XSelectInput(display, r->bar->id, VisibilityChangeMask);
1927
1928         if (bar_enabled)
1929                 XMapRaised(display, r->bar->id);
1930
1931         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%lx, (x,y) w x h: (%d,%d) "
1932             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1933             HEIGHT(r->bar));
1934
1935         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1936                 err(1, "could not install bar_signal");
1937         bar_refresh();
1938 }
1939
1940 void
1941 bar_cleanup(struct swm_region *r)
1942 {
1943         if (r->bar == NULL)
1944                 return;
1945         xcb_destroy_window(conn, r->bar->id);
1946         xcb_free_pixmap(conn, r->bar->buffer);
1947         free(r->bar);
1948         r->bar = NULL;
1949 }
1950
1951 void
1952 drain_enter_notify(void)
1953 {
1954         int                     i = 0;
1955         XEvent                  cne;
1956
1957         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1958                 i++;
1959
1960         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
1961 }
1962
1963 void
1964 set_win_state(struct ws_win *win, long state)
1965 {
1966         long                    data[] = {state, None};
1967
1968         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%lx\n", win->id);
1969
1970         if (win == NULL)
1971                 return;
1972
1973         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1974             (unsigned char *)data, 2);
1975 }
1976
1977 long
1978 getstate(xcb_window_t w)
1979 {
1980         long                    result = -1;
1981         unsigned char           *p = NULL;
1982         unsigned long           n;
1983
1984         if (!get_property(w, astate, 2L, astate, &n, NULL, &p))
1985                 return (-1);
1986         if (n != 0)
1987                 result = *((long *)p);
1988         XFree(p);
1989         return (result);
1990 }
1991
1992 void
1993 version(struct swm_region *r, union arg *args)
1994 {
1995         bar_version = !bar_version;
1996         if (bar_version)
1997                 snprintf(bar_vertext, sizeof bar_vertext,
1998                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1999         else
2000                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2001         bar_update();
2002 }
2003
2004 void
2005 client_msg(struct ws_win *win, Atom a)
2006 {
2007         XClientMessageEvent     cm;
2008
2009         if (win == NULL)
2010                 return;
2011
2012         bzero(&cm, sizeof cm);
2013         cm.type = ClientMessage;
2014         cm.window = win->id;
2015         cm.message_type = aprot;
2016         cm.format = 32;
2017         cm.data.l[0] = a;
2018         cm.data.l[1] = CurrentTime;
2019         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
2020 }
2021
2022 /* synthetic response to a ConfigureRequest when not making a change */
2023 void
2024 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
2025 {
2026         XConfigureEvent         ce;
2027
2028         if (win == NULL)
2029                 return;
2030
2031         /* send notification of unchanged state. */
2032         ce.type = ConfigureNotify;
2033         ce.x = X(win);
2034         ce.y = Y(win);
2035         ce.width = WIDTH(win);
2036         ce.height = HEIGHT(win);
2037         ce.override_redirect = False;
2038
2039         if (ev == NULL) {
2040                 /* EWMH */
2041                 ce.display = display;
2042                 ce.event = win->id;
2043                 ce.window = win->id;
2044                 ce.border_width = BORDER(win);
2045                 ce.above = None;
2046         } else {
2047                 /* normal */
2048                 ce.display = ev->display;
2049                 ce.event = ev->window;
2050                 ce.window = ev->window;
2051
2052                 /* make response appear more WM_SIZE_HINTS-compliant */
2053                 if (win->sh_mask)
2054                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%lx,"
2055                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
2056                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
2057                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2058                             SH_INC_W(win), SH_INC_H(win));
2059
2060                 /* min size */
2061                 if (SH_MIN(win)) {
2062                         /* the hint may be set... to 0! */
2063                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2064                                 ce.width = SH_MIN_W(win);
2065                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2066                                 ce.height = SH_MIN_H(win);
2067                 }
2068
2069                 /* max size */
2070                 if (SH_MAX(win)) {
2071                         /* may also be advertized as 0 */
2072                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2073                                 ce.width = SH_MAX_W(win);
2074                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2075                                 ce.height = SH_MAX_H(win);
2076                 }
2077
2078                 /* resize increment. */
2079                 if (SH_INC(win)) {
2080                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2081                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2082                                     SH_INC_W(win);
2083                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2084                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2085                                     SH_INC_H(win);
2086                 }
2087
2088                 /* adjust x and y for requested border_width. */
2089                 ce.x += BORDER(win) - ev->border_width;
2090                 ce.y += BORDER(win) - ev->border_width;
2091                 ce.border_width = ev->border_width;
2092                 ce.above = ev->above;
2093         }
2094
2095         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
2096             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2097             ce.y, ce.width, ce.height, ce.border_width);
2098
2099         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
2100 }
2101
2102 int
2103 count_win(struct workspace *ws, int count_transient)
2104 {
2105         struct ws_win           *win;
2106         int                     count = 0;
2107
2108         TAILQ_FOREACH(win, &ws->winlist, entry) {
2109                 if (count_transient == 0 && win->floating)
2110                         continue;
2111                 if (count_transient == 0 && win->transient)
2112                         continue;
2113                 if (win->iconic)
2114                         continue;
2115                 count++;
2116         }
2117         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2118
2119         return (count);
2120 }
2121
2122 void
2123 quit(struct swm_region *r, union arg *args)
2124 {
2125         DNPRINTF(SWM_D_MISC, "quit\n");
2126         running = 0;
2127 }
2128
2129 void
2130 unmap_window(struct ws_win *win)
2131 {
2132         if (win == NULL)
2133                 return;
2134
2135         /* don't unmap again */
2136         if (getstate(win->id) == IconicState)
2137                 return;
2138
2139         set_win_state(win, IconicState);
2140
2141         XUnmapWindow(display, win->id);
2142         XSetWindowBorder(display, win->id,
2143             win->s->c[SWM_S_COLOR_UNFOCUS].color);
2144 }
2145
2146 void
2147 unmap_all(void)
2148 {
2149         struct ws_win           *win;
2150         int                     i, j, num_screens;
2151
2152         for (i = 0; i < num_screens; i++)
2153                 for (j = 0; j < workspace_limit; j++)
2154                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2155                                 unmap_window(win);
2156 }
2157
2158 void
2159 fake_keypress(struct ws_win *win, int keysym, int modifiers)
2160 {
2161         XKeyEvent event;
2162
2163         if (win == NULL)
2164                 return;
2165
2166         event.display = display;        /* Ignored, but what the hell */
2167         event.window = win->id;
2168         event.root = win->s->root;
2169         event.subwindow = None;
2170         event.time = CurrentTime;
2171         event.x = X(win);
2172         event.y = Y(win);
2173         event.x_root = 1;
2174         event.y_root = 1;
2175         event.same_screen = True;
2176         event.keycode = XKeysymToKeycode(display, keysym);
2177         event.state = modifiers;
2178
2179         event.type = KeyPress;
2180         XSendEvent(event.display, event.window, True,
2181             KeyPressMask, (XEvent *)&event);
2182
2183         event.type = KeyRelease;
2184         XSendEvent(event.display, event.window, True,
2185             KeyPressMask, (XEvent *)&event);
2186
2187 }
2188
2189 void
2190 restart(struct swm_region *r, union arg *args)
2191 {
2192         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2193
2194         /* disable alarm because the following code may not be interrupted */
2195         alarm(0);
2196         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2197                 err(1, "can't disable alarm");
2198
2199         bar_extra_stop();
2200         bar_extra = 1;
2201         unmap_all();
2202         xcb_disconnect(conn);
2203         XCloseDisplay(display);
2204         execvp(start_argv[0], start_argv);
2205         warn("execvp failed");
2206         quit(NULL, NULL);
2207 }
2208
2209 struct swm_region *
2210 root_to_region(Window root)
2211 {
2212         struct swm_region       *r = NULL;
2213         Window                  rr, cr;
2214         int                     i, x, y, wx, wy, num_screens;
2215         unsigned int            mask;
2216
2217         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%lx\n", root);
2218
2219         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2220         for (i = 0; i < num_screens; i++)
2221                 if (screens[i].root == root)
2222                         break;
2223
2224         if (XQueryPointer(display, screens[i].root,
2225             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
2226                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2227                     x, y);
2228                 /* choose a region based on pointer location */
2229                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2230                         if (X(r) <= x && x < MAX_X(r) &&
2231                             Y(r) <= y && y < MAX_Y(r))
2232                                 break;
2233         }
2234
2235         if (r == NULL)
2236                 r = TAILQ_FIRST(&screens[i].rl);
2237
2238         return (r);
2239 }
2240
2241 struct ws_win *
2242 find_unmanaged_window(Window id)
2243 {
2244         struct ws_win           *win;
2245         int                     i, j, num_screens;
2246
2247         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2248         for (i = 0; i < num_screens; i++)
2249                 for (j = 0; j < workspace_limit; j++)
2250                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2251                             entry)
2252                                 if (id == win->id)
2253                                         return (win);
2254         return (NULL);
2255 }
2256
2257 struct ws_win *
2258 find_window(xcb_window_t id)
2259 {
2260         struct ws_win           *win;
2261         Window                  wrr, wpr, *wcr = NULL;
2262         int                     i, j, num_screens;
2263         unsigned int            nc;
2264
2265         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2266         for (i = 0; i < num_screens; i++)
2267                 for (j = 0; j < workspace_limit; j++)
2268                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2269                                 if (id == win->id)
2270                                         return (win);
2271
2272         /* if we were looking for the parent return that window instead */
2273         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
2274                 return (NULL);
2275         if (wcr)
2276                 XFree(wcr);
2277
2278         /* ignore not found and root */
2279         if (wpr == 0 || wrr == wpr)
2280                 return (NULL);
2281
2282         /* look for parent */
2283         for (i = 0; i < num_screens; i++)
2284                 for (j = 0; j < workspace_limit; j++)
2285                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2286                                 if (wpr == win->id)
2287                                         return (win);
2288
2289         return (NULL);
2290 }
2291
2292 void
2293 spawn(int ws_idx, union arg *args, int close_fd)
2294 {
2295         int                     fd;
2296         char                    *ret = NULL;
2297
2298         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2299
2300         if (display)
2301                 close(ConnectionNumber(display));
2302
2303         setenv("LD_PRELOAD", SWM_LIB, 1);
2304
2305         if (asprintf(&ret, "%d", ws_idx) == -1) {
2306                 warn("spawn: asprintf SWM_WS");
2307                 _exit(1);
2308         }
2309         setenv("_SWM_WS", ret, 1);
2310         free(ret);
2311         ret = NULL;
2312
2313         if (asprintf(&ret, "%d", getpid()) == -1) {
2314                 warn("spawn: asprintf _SWM_PID");
2315                 _exit(1);
2316         }
2317         setenv("_SWM_PID", ret, 1);
2318         free(ret);
2319         ret = NULL;
2320
2321         if (setsid() == -1) {
2322                 warn("spawn: setsid");
2323                 _exit(1);
2324         }
2325
2326         if (close_fd) {
2327                 /*
2328                  * close stdin and stdout to prevent interaction between apps
2329                  * and the baraction script
2330                  * leave stderr open to record errors
2331                 */
2332                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2333                         warn("spawn: open");
2334                         _exit(1);
2335                 }
2336                 dup2(fd, STDIN_FILENO);
2337                 dup2(fd, STDOUT_FILENO);
2338                 if (fd > 2)
2339                         close(fd);
2340         }
2341
2342         execvp(args->argv[0], args->argv);
2343
2344         warn("spawn: execvp");
2345         _exit(1);
2346 }
2347
2348 void
2349 kill_refs(struct ws_win *win)
2350 {
2351         int                     i, x, num_screens;
2352         struct swm_region       *r;
2353         struct workspace        *ws;
2354
2355         if (win == NULL)
2356                 return;
2357
2358         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2359         for (i = 0; i < num_screens; i++)
2360                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2361                         for (x = 0; x < workspace_limit; x++) {
2362                                 ws = &r->s->ws[x];
2363                                 if (win == ws->focus)
2364                                         ws->focus = NULL;
2365                                 if (win == ws->focus_prev)
2366                                         ws->focus_prev = NULL;
2367                         }
2368 }
2369
2370 int
2371 validate_win(struct ws_win *testwin)
2372 {
2373         struct ws_win           *win;
2374         struct workspace        *ws;
2375         struct swm_region       *r;
2376         int                     i, x, num_screens;
2377
2378         if (testwin == NULL)
2379                 return (0);
2380
2381         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2382         for (i = 0; i < num_screens; i++)
2383                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2384                         for (x = 0; x < workspace_limit; x++) {
2385                                 ws = &r->s->ws[x];
2386                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2387                                         if (win == testwin)
2388                                                 return (0);
2389                         }
2390         return (1);
2391 }
2392
2393 int
2394 validate_ws(struct workspace *testws)
2395 {
2396         struct swm_region       *r;
2397         struct workspace        *ws;
2398         int                     i, x, num_screens;
2399
2400         /* validate all ws */
2401         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2402         for (i = 0; i < num_screens; i++)
2403                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2404                         for (x = 0; x < workspace_limit; x++) {
2405                                 ws = &r->s->ws[x];
2406                                 if (ws == testws)
2407                                         return (0);
2408                         }
2409         return (1);
2410 }
2411
2412 void
2413 unfocus_win(struct ws_win *win)
2414 {
2415         XEvent                  cne;
2416         xcb_window_t            none = XCB_WINDOW_NONE;
2417
2418         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2419
2420         if (win == NULL)
2421                 return;
2422         if (win->ws == NULL)
2423                 return;
2424
2425         if (validate_ws(win->ws))
2426                 return; /* XXX this gets hit with thunderbird, needs fixing */
2427
2428         if (win->ws->r == NULL)
2429                 return;
2430
2431         if (validate_win(win)) {
2432                 kill_refs(win);
2433                 return;
2434         }
2435
2436         if (win->ws->focus == win) {
2437                 win->ws->focus = NULL;
2438                 win->ws->focus_prev = win;
2439         }
2440
2441         if (validate_win(win->ws->focus)) {
2442                 kill_refs(win->ws->focus);
2443                 win->ws->focus = NULL;
2444         }
2445         if (validate_win(win->ws->focus_prev)) {
2446                 kill_refs(win->ws->focus_prev);
2447                 win->ws->focus_prev = NULL;
2448         }
2449
2450         /* drain all previous unfocus events */
2451         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2452                 ;
2453
2454         grabbuttons(win, 0);
2455         XSetWindowBorder(display, win->id,
2456             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2457
2458         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2459                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2460                 &none);
2461 }
2462
2463 void
2464 unfocus_all(void)
2465 {
2466         struct ws_win           *win;
2467         int                     i, j, num_screens;
2468
2469         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2470
2471         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2472         for (i = 0; i < num_screens; i++)
2473                 for (j = 0; j < workspace_limit; j++)
2474                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2475                                 unfocus_win(win);
2476 }
2477
2478 void
2479 focus_win(struct ws_win *win)
2480 {
2481         XEvent                  cne;
2482         Window                  cur_focus;
2483         int                     rr;
2484         struct ws_win           *cfw = NULL;
2485
2486
2487         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2488
2489         if (win == NULL)
2490                 return;
2491         if (win->ws == NULL)
2492                 return;
2493
2494         if (validate_ws(win->ws))
2495                 return; /* XXX this gets hit with thunderbird, needs fixing */
2496
2497         if (validate_win(win)) {
2498                 kill_refs(win);
2499                 return;
2500         }
2501
2502         if (validate_win(win)) {
2503                 kill_refs(win);
2504                 return;
2505         }
2506
2507         XGetInputFocus(display, &cur_focus, &rr);
2508         if ((cfw = find_window(cur_focus)) != NULL)
2509                 unfocus_win(cfw);
2510         else {
2511                 /* use larger hammer since the window was killed somehow */
2512                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2513                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2514                                 XSetWindowBorder(display, cfw->id,
2515                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2516         }
2517
2518         win->ws->focus = win;
2519
2520         if (win->ws->r != NULL) {
2521                 /* drain all previous focus events */
2522                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2523                         ;
2524
2525                 if (win->java == 0)
2526                         XSetInputFocus(display, win->id,
2527                             RevertToParent, CurrentTime);
2528                 grabbuttons(win, 1);
2529                 XSetWindowBorder(display, win->id,
2530                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2531                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2532                     win->ws->always_raise)
2533                         XMapRaised(display, win->id);
2534
2535                 XChangeProperty(display, win->s->root,
2536                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2537                     PropModeReplace, (unsigned char *)&win->id, 1);
2538         }
2539
2540         bar_update();
2541 }
2542
2543 void
2544 switchws(struct swm_region *r, union arg *args)
2545 {
2546         int                     wsid = args->id, unmap_old = 0;
2547         struct swm_region       *this_r, *other_r;
2548         struct ws_win           *win;
2549         struct workspace        *new_ws, *old_ws;
2550         union arg               a;
2551
2552         if (!(r && r->s))
2553                 return;
2554
2555         if (wsid >= workspace_limit)
2556                 return;
2557
2558         this_r = r;
2559         old_ws = this_r->ws;
2560         new_ws = &this_r->s->ws[wsid];
2561
2562         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2563             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2564
2565         if (new_ws == NULL || old_ws == NULL)
2566                 return;
2567         if (new_ws == old_ws)
2568                 return;
2569
2570         other_r = new_ws->r;
2571         if (other_r == NULL) {
2572                 /* the other workspace is hidden, hide this one */
2573                 old_ws->r = NULL;
2574                 unmap_old = 1;
2575         } else {
2576                 /* the other ws is visible in another region, exchange them */
2577                 other_r->ws_prior = new_ws;
2578                 other_r->ws = old_ws;
2579                 old_ws->r = other_r;
2580         }
2581         this_r->ws_prior = old_ws;
2582         this_r->ws = new_ws;
2583         new_ws->r = this_r;
2584
2585         /* this is needed so that we can click on a window after a restart */
2586         unfocus_all();
2587
2588         stack();
2589         a.id = SWM_ARG_ID_FOCUSCUR;
2590         focus(new_ws->r, &a);
2591
2592         /* unmap old windows */
2593         if (unmap_old)
2594                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2595                         unmap_window(win);
2596
2597         if (focus_mode == SWM_FOCUS_DEFAULT)
2598                 drain_enter_notify();
2599 }
2600
2601 void
2602 cyclews(struct swm_region *r, union arg *args)
2603 {
2604         union                   arg a;
2605         struct swm_screen       *s = r->s;
2606         int                     cycle_all = 0;
2607
2608         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2609             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2610
2611         a.id = r->ws->idx;
2612         do {
2613                 switch (args->id) {
2614                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2615                         cycle_all = 1;
2616                         /* FALLTHROUGH */
2617                 case SWM_ARG_ID_CYCLEWS_UP:
2618                         if (a.id < workspace_limit - 1)
2619                                 a.id++;
2620                         else
2621                                 a.id = 0;
2622                         break;
2623                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2624                         cycle_all = 1;
2625                         /* FALLTHROUGH */
2626                 case SWM_ARG_ID_CYCLEWS_DOWN:
2627                         if (a.id > 0)
2628                                 a.id--;
2629                         else
2630                                 a.id = workspace_limit - 1;
2631                         break;
2632                 default:
2633                         return;
2634                 };
2635
2636                 if (!cycle_all &&
2637                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2638                         continue;
2639                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2640                         continue;
2641
2642                 switchws(r, &a);
2643         } while (a.id != r->ws->idx);
2644 }
2645
2646 void
2647 priorws(struct swm_region *r, union arg *args)
2648 {
2649         union arg               a;
2650
2651         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2652             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2653
2654         if (r->ws_prior == NULL)
2655                 return;
2656
2657         a.id = r->ws_prior->idx;
2658         switchws(r, &a);
2659 }
2660
2661 void
2662 cyclescr(struct swm_region *r, union arg *args)
2663 {
2664         struct swm_region       *rr = NULL;
2665         union arg               a;
2666         int                     i, x, y, num_screens;
2667
2668         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2669         /* do nothing if we don't have more than one screen */
2670         if (!(num_screens > 1 || outputs > 1))
2671                 return;
2672
2673         i = r->s->idx;
2674         switch (args->id) {
2675         case SWM_ARG_ID_CYCLESC_UP:
2676                 rr = TAILQ_NEXT(r, entry);
2677                 if (rr == NULL)
2678                         rr = TAILQ_FIRST(&screens[i].rl);
2679                 break;
2680         case SWM_ARG_ID_CYCLESC_DOWN:
2681                 rr = TAILQ_PREV(r, swm_region_list, entry);
2682                 if (rr == NULL)
2683                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2684                 break;
2685         default:
2686                 return;
2687         };
2688         if (rr == NULL)
2689                 return;
2690
2691         /* move mouse to region */
2692         x = X(rr) + 1;
2693         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2694         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2695
2696         a.id = SWM_ARG_ID_FOCUSCUR;
2697         focus(rr, &a);
2698
2699         if (rr->ws->focus) {
2700                 /* move to focus window */
2701                 x = X(rr->ws->focus) + 1;
2702                 y = Y(rr->ws->focus) + 1;
2703                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2704         }
2705 }
2706
2707 void
2708 sort_windows(struct ws_win_list *wl)
2709 {
2710         struct ws_win           *win, *parent, *nxt;
2711
2712         if (wl == NULL)
2713                 return;
2714
2715         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2716                 nxt = TAILQ_NEXT(win, entry);
2717                 if (win->transient) {
2718                         parent = find_window(win->transient);
2719                         if (parent == NULL) {
2720                                 warnx("not possible bug");
2721                                 continue;
2722                         }
2723                         TAILQ_REMOVE(wl, win, entry);
2724                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2725                 }
2726         }
2727
2728 }
2729
2730 void
2731 swapwin(struct swm_region *r, union arg *args)
2732 {
2733         struct ws_win           *target, *source;
2734         struct ws_win           *cur_focus;
2735         struct ws_win_list      *wl;
2736
2737
2738         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2739             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2740
2741         cur_focus = r->ws->focus;
2742         if (cur_focus == NULL)
2743                 return;
2744
2745         source = cur_focus;
2746         wl = &source->ws->winlist;
2747
2748         switch (args->id) {
2749         case SWM_ARG_ID_SWAPPREV:
2750                 if (source->transient)
2751                         source = find_window(source->transient);
2752                 target = TAILQ_PREV(source, ws_win_list, entry);
2753                 if (target && target->transient)
2754                         target = find_window(target->transient);
2755                 TAILQ_REMOVE(wl, source, entry);
2756                 if (target == NULL)
2757                         TAILQ_INSERT_TAIL(wl, source, entry);
2758                 else
2759                         TAILQ_INSERT_BEFORE(target, source, entry);
2760                 break;
2761         case SWM_ARG_ID_SWAPNEXT:
2762                 target = TAILQ_NEXT(source, entry);
2763                 /* move the parent and let the sort handle the move */
2764                 if (source->transient)
2765                         source = find_window(source->transient);
2766                 TAILQ_REMOVE(wl, source, entry);
2767                 if (target == NULL)
2768                         TAILQ_INSERT_HEAD(wl, source, entry);
2769                 else
2770                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2771                 break;
2772         case SWM_ARG_ID_SWAPMAIN:
2773                 target = TAILQ_FIRST(wl);
2774                 if (target == source) {
2775                         if (source->ws->focus_prev != NULL &&
2776                             source->ws->focus_prev != target)
2777                                 source = source->ws->focus_prev;
2778                         else
2779                                 return;
2780                 }
2781                 if (target == NULL || source == NULL)
2782                         return;
2783                 source->ws->focus_prev = target;
2784                 TAILQ_REMOVE(wl, target, entry);
2785                 TAILQ_INSERT_BEFORE(source, target, entry);
2786                 TAILQ_REMOVE(wl, source, entry);
2787                 TAILQ_INSERT_HEAD(wl, source, entry);
2788                 break;
2789         case SWM_ARG_ID_MOVELAST:
2790                 TAILQ_REMOVE(wl, source, entry);
2791                 TAILQ_INSERT_TAIL(wl, source, entry);
2792                 break;
2793         default:
2794                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2795                 return;
2796         }
2797
2798         sort_windows(wl);
2799
2800         stack();
2801 }
2802
2803 void
2804 focus_prev(struct ws_win *win)
2805 {
2806         struct ws_win           *winfocus = NULL;
2807         struct ws_win           *cur_focus = NULL;
2808         struct ws_win_list      *wl = NULL;
2809         struct workspace        *ws = NULL;
2810
2811         if (!(win && win->ws))
2812                 return;
2813
2814         ws = win->ws;
2815         wl = &ws->winlist;
2816         cur_focus = ws->focus;
2817
2818         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx, cur_focus: 0x%lx\n",
2819             WINID(win), WINID(cur_focus));
2820
2821         /* pickle, just focus on whatever */
2822         if (cur_focus == NULL) {
2823                 /* use prev_focus if valid */
2824                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2825                     find_window(WINID(ws->focus_prev)))
2826                         winfocus = ws->focus_prev;
2827                 goto done;
2828         }
2829
2830         /* if transient focus on parent */
2831         if (cur_focus->transient) {
2832                 winfocus = find_window(cur_focus->transient);
2833                 goto done;
2834         }
2835
2836         /* if in max_stack try harder */
2837         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2838             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2839                 if (cur_focus != ws->focus_prev)
2840                         winfocus = ws->focus_prev;
2841                 else
2842                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2843                 if (winfocus)
2844                         goto done;
2845         }
2846
2847         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2848
2849         if (winfocus == NULL || winfocus == win) {
2850                 switch (focus_close) {
2851                 case SWM_STACK_BOTTOM:
2852                         winfocus = TAILQ_FIRST(wl);
2853                         break;
2854                 case SWM_STACK_TOP:
2855                         winfocus = TAILQ_LAST(wl, ws_win_list);
2856                         break;
2857                 case SWM_STACK_ABOVE:
2858                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2859                                 if (focus_close_wrap)
2860                                         winfocus = TAILQ_FIRST(wl);
2861                                 else
2862                                         winfocus = TAILQ_PREV(cur_focus,
2863                                             ws_win_list, entry);
2864                         }
2865                         break;
2866                 case SWM_STACK_BELOW:
2867                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2868                             entry)) == NULL) {
2869                                 if (focus_close_wrap)
2870                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2871                                 else
2872                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2873                         }
2874                         break;
2875                 }
2876         }
2877 done:
2878         if (winfocus == NULL) {
2879                 if (focus_default == SWM_STACK_TOP)
2880                         winfocus = TAILQ_LAST(wl, ws_win_list);
2881                 else
2882                         winfocus = TAILQ_FIRST(wl);
2883         }
2884
2885         kill_refs(win);
2886         focus_magic(winfocus);
2887 }
2888
2889 void
2890 focus(struct swm_region *r, union arg *args)
2891 {
2892         struct ws_win           *winfocus = NULL, *head;
2893         struct ws_win           *cur_focus = NULL;
2894         struct ws_win_list      *wl = NULL;
2895         struct workspace        *ws = NULL;
2896         int                     all_iconics;
2897
2898         if (!(r && r->ws))
2899                 return;
2900
2901         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2902
2903         /* treat FOCUS_CUR special */
2904         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2905                 if (r->ws->focus && r->ws->focus->iconic == 0)
2906                         winfocus = r->ws->focus;
2907                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2908                         winfocus = r->ws->focus_prev;
2909                 else
2910                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2911                                 if (winfocus->iconic == 0)
2912                                         break;
2913
2914                 focus_magic(winfocus);
2915                 return;
2916         }
2917
2918         if ((cur_focus = r->ws->focus) == NULL)
2919                 return;
2920         ws = r->ws;
2921         wl = &ws->winlist;
2922         if (TAILQ_EMPTY(wl))
2923                 return;
2924         /* make sure there is at least one uniconified window */
2925         all_iconics = 1;
2926         TAILQ_FOREACH(winfocus, wl, entry)
2927                 if (winfocus->iconic == 0) {
2928                         all_iconics = 0;
2929                         break;
2930                 }
2931         if (all_iconics)
2932                 return;
2933
2934         switch (args->id) {
2935         case SWM_ARG_ID_FOCUSPREV:
2936                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2937                 if (head == NULL)
2938                         head = TAILQ_LAST(wl, ws_win_list);
2939                 winfocus = head;
2940                 if (WINID(winfocus) == cur_focus->transient) {
2941                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2942                         if (head == NULL)
2943                                 head = TAILQ_LAST(wl, ws_win_list);
2944                         winfocus = head;
2945                 }
2946
2947                 /* skip iconics */
2948                 if (winfocus && winfocus->iconic) {
2949                         while (winfocus != cur_focus) {
2950                                 if (winfocus == NULL)
2951                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2952                                 if (winfocus->iconic == 0)
2953                                         break;
2954                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2955                                     entry);
2956                         }
2957                 }
2958                 break;
2959
2960         case SWM_ARG_ID_FOCUSNEXT:
2961                 head = TAILQ_NEXT(cur_focus, entry);
2962                 if (head == NULL)
2963                         head = TAILQ_FIRST(wl);
2964                 winfocus = head;
2965
2966                 /* skip iconics */
2967                 if (winfocus && winfocus->iconic) {
2968                         while (winfocus != cur_focus) {
2969                                 if (winfocus == NULL)
2970                                         winfocus = TAILQ_FIRST(wl);
2971                                 if (winfocus->iconic == 0)
2972                                         break;
2973                                 winfocus = TAILQ_NEXT(winfocus, entry);
2974                         }
2975                 }
2976                 break;
2977
2978         case SWM_ARG_ID_FOCUSMAIN:
2979                 winfocus = TAILQ_FIRST(wl);
2980                 if (winfocus == cur_focus)
2981                         winfocus = cur_focus->ws->focus_prev;
2982                 break;
2983
2984         default:
2985                 return;
2986         }
2987
2988         focus_magic(winfocus);
2989 }
2990
2991 void
2992 cycle_layout(struct swm_region *r, union arg *args)
2993 {
2994         struct workspace        *ws = r->ws;
2995         union arg               a;
2996
2997         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2998
2999         ws->cur_layout++;
3000         if (ws->cur_layout->l_stack == NULL)
3001                 ws->cur_layout = &layouts[0];
3002
3003         stack();
3004         if (focus_mode == SWM_FOCUS_DEFAULT)
3005                 drain_enter_notify();
3006         a.id = SWM_ARG_ID_FOCUSCUR;
3007         focus(r, &a);
3008 }
3009
3010 void
3011 stack_config(struct swm_region *r, union arg *args)
3012 {
3013         struct workspace        *ws = r->ws;
3014
3015         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3016             args->id, ws->idx);
3017
3018         if (ws->cur_layout->l_config != NULL)
3019                 ws->cur_layout->l_config(ws, args->id);
3020
3021         if (args->id != SWM_ARG_ID_STACKINIT)
3022                 stack();
3023         bar_update();
3024 }
3025
3026 void
3027 stack(void) {
3028         struct swm_geometry     g;
3029         struct swm_region       *r;
3030         int                     i, num_screens;
3031 #ifdef SWM_DEBUG
3032         int j;
3033 #endif
3034
3035         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3036
3037         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3038         for (i = 0; i < num_screens; i++) {
3039 #ifdef SWM_DEBUG
3040                 j = 0;
3041 #endif
3042                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3043                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3044                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3045
3046                         /* start with screen geometry, adjust for bar */
3047                         g = r->g;
3048                         g.w -= 2 * border_width;
3049                         g.h -= 2 * border_width;
3050                         if (bar_enabled) {
3051                                 if (!bar_at_bottom)
3052                                         g.y += bar_height;
3053                                 g.h -= bar_height;
3054                         }
3055                         r->ws->cur_layout->l_stack(r->ws, &g);
3056                         r->ws->cur_layout->l_string(r->ws);
3057                         /* save r so we can track region changes */
3058                         r->ws->old_r = r;
3059                 }
3060         }
3061         if (font_adjusted)
3062                 font_adjusted--;
3063
3064         if (focus_mode == SWM_FOCUS_DEFAULT)
3065                 drain_enter_notify();
3066
3067         DNPRINTF(SWM_D_STACK, "stack: end\n");
3068 }
3069
3070 void
3071 store_float_geom(struct ws_win *win, struct swm_region *r)
3072 {
3073         /* retain window geom and region geom */
3074         win->g_float = win->g;
3075         win->g_float.x -= X(r);
3076         win->g_float.y -= Y(r);
3077         win->g_floatvalid = 1;
3078         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%lx, g: (%d,%d)"
3079             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3080             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3081             win->g_float.w, win->g_float.h);
3082 }
3083
3084 void
3085 stack_floater(struct ws_win *win, struct swm_region *r)
3086 {
3087         if (win == NULL)
3088                 return;
3089
3090         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%lx\n", win->id);
3091
3092         /*
3093          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3094          * geom on ws switches or return from max mode
3095          */
3096         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3097             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3098                 /* refloat at last floating relative position */
3099                 win->g = win->g_float;
3100                 X(win) += X(r);
3101                 Y(win) += Y(r);
3102         }
3103
3104         win->floatmaxed = 0;
3105
3106         /*
3107          * if set to fullscreen mode, configure window to maximum size.
3108          */
3109         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3110                 if (!win->g_floatvalid)
3111                         store_float_geom(win, win->ws->r);
3112
3113                 win->g = win->ws->r->g;
3114         }
3115
3116         /*
3117          * remove border on fullscreen floater when in fullscreen mode or when
3118          * the quirk is present.
3119          */
3120         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3121             ((win->quirks & SWM_Q_FULLSCREEN) &&
3122              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3123                 if (win->bordered) {
3124                         win->bordered = 0;
3125                         X(win) += border_width;
3126                         Y(win) += border_width;
3127                 }
3128         } else if (!win->bordered) {
3129                 win->bordered = 1;
3130                 X(win) -= border_width;
3131                 Y(win) -= border_width;
3132         }
3133
3134         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3135                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3136                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3137         }
3138
3139         if (!win->manual) {
3140                 /*
3141                  * floaters and transients are auto-centred unless moved
3142                  * or resized
3143                  */
3144                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3145                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3146         }
3147
3148         /* keep window within region bounds */
3149         constrain_window(win, r, 0);
3150
3151         update_window(win);
3152 }
3153
3154 /*
3155  * Send keystrokes to terminal to decrease/increase the font size as the
3156  * window size changes.
3157  */
3158 void
3159 adjust_font(struct ws_win *win)
3160 {
3161         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3162             win->floating || win->transient)
3163                 return;
3164
3165         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3166             WIDTH(win) / win->sh.width_inc < term_width &&
3167             win->font_steps < SWM_MAX_FONT_STEPS) {
3168                 win->font_size_boundary[win->font_steps] =
3169                     (win->sh.width_inc * term_width) + win->sh.base_width;
3170                 win->font_steps++;
3171                 font_adjusted++;
3172                 win->last_inc = win->sh.width_inc;
3173                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3174         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3175             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3176                 win->font_steps--;
3177                 font_adjusted++;
3178                 win->last_inc = win->sh.width_inc;
3179                 fake_keypress(win, XK_KP_Add, ShiftMask);
3180         }
3181 }
3182
3183 #define SWAPXY(g)       do {                            \
3184         int tmp;                                        \
3185         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3186         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3187 } while (0)
3188 void
3189 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3190 {
3191         XWindowAttributes       wa;
3192         struct swm_geometry     win_g, r_g = *g;
3193         struct ws_win           *win, *fs_win = NULL;
3194         int                     i, j, s, stacks;
3195         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3196         int                     hrh, extra = 0, h_slice, last_h = 0;
3197         int                     split, colno, winno, mwin, msize, mscale;
3198         int                     remain, missing, v_slice, reconfigure;
3199         int                     bordered = 1;
3200
3201         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3202             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3203
3204         winno = count_win(ws, 0);
3205         if (winno == 0 && count_win(ws, 1) == 0)
3206                 return;
3207
3208         TAILQ_FOREACH(win, &ws->winlist, entry)
3209                 if (win->transient == 0 && win->floating == 0
3210                     && win->iconic == 0)
3211                         break;
3212
3213         if (win == NULL)
3214                 goto notiles;
3215
3216         if (rot) {
3217                 w_inc = win->sh.width_inc;
3218                 w_base = win->sh.base_width;
3219                 mwin = ws->l_state.horizontal_mwin;
3220                 mscale = ws->l_state.horizontal_msize;
3221                 stacks = ws->l_state.horizontal_stacks;
3222                 SWAPXY(&r_g);
3223         } else {
3224                 w_inc = win->sh.height_inc;
3225                 w_base = win->sh.base_height;
3226                 mwin = ws->l_state.vertical_mwin;
3227                 mscale = ws->l_state.vertical_msize;
3228                 stacks = ws->l_state.vertical_stacks;
3229         }
3230         win_g = r_g;
3231
3232         if (stacks > winno - mwin)
3233                 stacks = winno - mwin;
3234         if (stacks < 1)
3235                 stacks = 1;
3236
3237         h_slice = r_g.h / SWM_H_SLICE;
3238         if (mwin && winno > mwin) {
3239                 v_slice = r_g.w / SWM_V_SLICE;
3240
3241                 split = mwin;
3242                 colno = split;
3243                 win_g.w = v_slice * mscale;
3244
3245                 if (w_inc > 1 && w_inc < v_slice) {
3246                         /* adjust for window's requested size increment */
3247                         remain = (win_g.w - w_base) % w_inc;
3248                         win_g.w -= remain;
3249                 }
3250
3251                 msize = win_g.w;
3252                 if (flip)
3253                         win_g.x += r_g.w - msize;
3254         } else {
3255                 msize = -2;
3256                 colno = split = winno / stacks;
3257                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3258                     2 * border_width) / stacks);
3259         }
3260         hrh = r_g.h / colno;
3261         extra = r_g.h - (colno * hrh);
3262         win_g.h = hrh - 2 * border_width;
3263
3264         /*  stack all the tiled windows */
3265         i = j = 0, s = stacks;
3266         TAILQ_FOREACH(win, &ws->winlist, entry) {
3267                 if (win->transient != 0 || win->floating != 0)
3268                         continue;
3269                 if (win->iconic != 0)
3270                         continue;
3271
3272                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3273                         fs_win = win;
3274                         continue;
3275                 }
3276
3277                 if (split && i == split) {
3278                         colno = (winno - mwin) / stacks;
3279                         if (s <= (winno - mwin) % stacks)
3280                                 colno++;
3281                         split = split + colno;
3282                         hrh = (r_g.h / colno);
3283                         extra = r_g.h - (colno * hrh);
3284                         if (flip)
3285                                 win_g.x = r_g.x;
3286                         else
3287                                 win_g.x += win_g.w + 2 * border_width;
3288                         win_g.w = (r_g.w - msize -
3289                             (stacks * 2 * border_width)) / stacks;
3290                         if (s == 1)
3291                                 win_g.w += (r_g.w - msize -
3292                                     (stacks * 2 * border_width)) % stacks;
3293                         s--;
3294                         j = 0;
3295                 }
3296                 win_g.h = hrh - 2 * border_width;
3297                 if (rot) {
3298                         h_inc = win->sh.width_inc;
3299                         h_base = win->sh.base_width;
3300                 } else {
3301                         h_inc = win->sh.height_inc;
3302                         h_base = win->sh.base_height;
3303                 }
3304                 if (j == colno - 1) {
3305                         win_g.h = hrh + extra;
3306                 } else if (h_inc > 1 && h_inc < h_slice) {
3307                         /* adjust for window's requested size increment */
3308                         remain = (win_g.h - h_base) % h_inc;
3309                         missing = h_inc - remain;
3310
3311                         if (missing <= extra || j == 0) {
3312                                 extra -= missing;
3313                                 win_g.h += missing;
3314                         } else {
3315                                 win_g.h -= remain;
3316                                 extra += remain;
3317                         }
3318                 }
3319
3320                 if (j == 0)
3321                         win_g.y = r_g.y;
3322                 else
3323                         win_g.y += last_h + 2 * border_width;
3324
3325                 if (disable_border && bar_enabled == 0 && winno == 1){
3326                         bordered = 0;
3327                         win_g.w += 2 * border_width;
3328                         win_g.h += 2 * border_width;
3329                 } else {
3330                         bordered = 1;
3331                 }
3332                 if (rot) {
3333                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3334                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3335                                 reconfigure = 1;
3336                                 X(win) = win_g.y;
3337                                 Y(win) = win_g.x;
3338                                 WIDTH(win) = win_g.h;
3339                                 HEIGHT(win) = win_g.w;
3340                         }
3341                 } else {
3342                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3343                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3344                                 reconfigure = 1;
3345                                 X(win) = win_g.x;
3346                                 Y(win) = win_g.y;
3347                                 WIDTH(win) = win_g.w;
3348                                 HEIGHT(win) = win_g.h;
3349                         }
3350                 }
3351
3352                 if (bordered != win->bordered) {
3353                         reconfigure = 1;
3354                         win->bordered = bordered;
3355                 }
3356
3357                 if (reconfigure) {
3358                         adjust_font(win);
3359                         update_window(win);
3360                 }
3361
3362                 if (XGetWindowAttributes(display, win->id, &wa))
3363                         if (wa.map_state == IsUnmapped)
3364                                 XMapRaised(display, win->id);
3365
3366                 last_h = win_g.h;
3367                 i++;
3368                 j++;
3369         }
3370
3371 notiles:
3372         /* now, stack all the floaters and transients */
3373         TAILQ_FOREACH(win, &ws->winlist, entry) {
3374                 if (win->transient == 0 && win->floating == 0)
3375                         continue;
3376                 if (win->iconic == 1)
3377                         continue;
3378                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3379                         fs_win = win;
3380                         continue;
3381                 }
3382
3383                 stack_floater(win, ws->r);
3384                 XMapRaised(display, win->id);
3385         }
3386
3387         if (fs_win) {
3388                 stack_floater(fs_win, ws->r);
3389                 XMapRaised(display, fs_win->id);
3390         }
3391 }
3392
3393 void
3394 vertical_config(struct workspace *ws, int id)
3395 {
3396         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3397             id, ws->idx);
3398
3399         switch (id) {
3400         case SWM_ARG_ID_STACKRESET:
3401         case SWM_ARG_ID_STACKINIT:
3402                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3403                 ws->l_state.vertical_mwin = 1;
3404                 ws->l_state.vertical_stacks = 1;
3405                 break;
3406         case SWM_ARG_ID_MASTERSHRINK:
3407                 if (ws->l_state.vertical_msize > 1)
3408                         ws->l_state.vertical_msize--;
3409                 break;
3410         case SWM_ARG_ID_MASTERGROW:
3411                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3412                         ws->l_state.vertical_msize++;
3413                 break;
3414         case SWM_ARG_ID_MASTERADD:
3415                 ws->l_state.vertical_mwin++;
3416                 break;
3417         case SWM_ARG_ID_MASTERDEL:
3418                 if (ws->l_state.vertical_mwin > 0)
3419                         ws->l_state.vertical_mwin--;
3420                 break;
3421         case SWM_ARG_ID_STACKINC:
3422                 ws->l_state.vertical_stacks++;
3423                 break;
3424         case SWM_ARG_ID_STACKDEC:
3425                 if (ws->l_state.vertical_stacks > 1)
3426                         ws->l_state.vertical_stacks--;
3427                 break;
3428         case SWM_ARG_ID_FLIPLAYOUT:
3429                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3430                 break;
3431         default:
3432                 return;
3433         }
3434 }
3435
3436 void
3437 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3438 {
3439         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3440
3441         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3442 }
3443
3444 void
3445 horizontal_config(struct workspace *ws, int id)
3446 {
3447         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3448
3449         switch (id) {
3450         case SWM_ARG_ID_STACKRESET:
3451         case SWM_ARG_ID_STACKINIT:
3452                 ws->l_state.horizontal_mwin = 1;
3453                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3454                 ws->l_state.horizontal_stacks = 1;
3455                 break;
3456         case SWM_ARG_ID_MASTERSHRINK:
3457                 if (ws->l_state.horizontal_msize > 1)
3458                         ws->l_state.horizontal_msize--;
3459                 break;
3460         case SWM_ARG_ID_MASTERGROW:
3461                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3462                         ws->l_state.horizontal_msize++;
3463                 break;
3464         case SWM_ARG_ID_MASTERADD:
3465                 ws->l_state.horizontal_mwin++;
3466                 break;
3467         case SWM_ARG_ID_MASTERDEL:
3468                 if (ws->l_state.horizontal_mwin > 0)
3469                         ws->l_state.horizontal_mwin--;
3470                 break;
3471         case SWM_ARG_ID_STACKINC:
3472                 ws->l_state.horizontal_stacks++;
3473                 break;
3474         case SWM_ARG_ID_STACKDEC:
3475                 if (ws->l_state.horizontal_stacks > 1)
3476                         ws->l_state.horizontal_stacks--;
3477                 break;
3478         case SWM_ARG_ID_FLIPLAYOUT:
3479                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3480                 break;
3481         default:
3482                 return;
3483         }
3484 }
3485
3486 void
3487 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3488 {
3489         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3490
3491         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3492 }
3493
3494 /* fullscreen view */
3495 void
3496 max_stack(struct workspace *ws, struct swm_geometry *g)
3497 {
3498         struct swm_geometry     gg = *g;
3499         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3500         int                     winno, num_screens;
3501
3502         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3503
3504         if (ws == NULL)
3505                 return;
3506
3507         winno = count_win(ws, 0);
3508         if (winno == 0 && count_win(ws, 1) == 0)
3509                 return;
3510
3511         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3512         TAILQ_FOREACH(win, &ws->winlist, entry) {
3513                 if (win->transient) {
3514                         wintrans = win;
3515                         parent = find_window(win->transient);
3516                         continue;
3517                 }
3518
3519                 if (win->floating && win->floatmaxed == 0 ) {
3520                         /*
3521                          * retain geometry for retrieval on exit from
3522                          * max_stack mode
3523                          */
3524                         store_float_geom(win, ws->r);
3525                         win->floatmaxed = 1;
3526                 }
3527
3528                 /* only reconfigure if necessary */
3529                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3530                     HEIGHT(win) != gg.h) {
3531                         win->g = gg;
3532                         if (bar_enabled){
3533                                 win->bordered = 1;
3534                         } else {
3535                                 win->bordered = 0;
3536                                 WIDTH(win) += 2 * border_width;
3537                                 HEIGHT(win) += 2 * border_width;
3538                         }
3539
3540                         update_window(win);
3541                 }
3542                 /* unmap only if we don't have multi screen */
3543                 if (win != ws->focus)
3544                         if (!(num_screens > 1 || outputs > 1))
3545                                 unmap_window(win);
3546         }
3547
3548         /* put the last transient on top */
3549         if (wintrans) {
3550                 if (parent)
3551                         XMapRaised(display, parent->id);
3552                 stack_floater(wintrans, ws->r);
3553                 focus_magic(wintrans);
3554         }
3555 }
3556
3557 void
3558 send_to_ws(struct swm_region *r, union arg *args)
3559 {
3560         int                     wsid = args->id;
3561         struct ws_win           *win = NULL, *parent;
3562         struct workspace        *ws, *nws;
3563         Atom                    ws_idx_atom = 0;
3564         unsigned char           ws_idx_str[SWM_PROPLEN];
3565         union arg               a;
3566
3567         if (wsid >= workspace_limit)
3568                 return;
3569
3570         if (r && r->ws && r->ws->focus)
3571                 win = r->ws->focus;
3572         else
3573                 return;
3574         if (win == NULL)
3575                 return;
3576         if (win->ws->idx == wsid)
3577                 return;
3578
3579         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3580
3581         ws = win->ws;
3582         nws = &win->s->ws[wsid];
3583
3584         a.id = SWM_ARG_ID_FOCUSPREV;
3585         focus(r, &a);
3586         if (win->transient) {
3587                 parent = find_window(win->transient);
3588                 if (parent) {
3589                         unmap_window(parent);
3590                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3591                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3592                         parent->ws = nws;
3593                 }
3594         }
3595         unmap_window(win);
3596         TAILQ_REMOVE(&ws->winlist, win, entry);
3597         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3598         if (TAILQ_EMPTY(&ws->winlist))
3599                 r->ws->focus = NULL;
3600         win->ws = nws;
3601
3602         /* Try to update the window's workspace property */
3603         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3604         if (ws_idx_atom &&
3605             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3606                 SWM_PROPLEN) {
3607                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3608                     ws_idx_str);
3609                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3610                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
3611         }
3612
3613         stack();
3614         bar_update();
3615 }
3616
3617 void
3618 pressbutton(struct swm_region *r, union arg *args)
3619 {
3620         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3621         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3622 }
3623
3624 void
3625 raise_toggle(struct swm_region *r, union arg *args)
3626 {
3627         if (r == NULL || r->ws == NULL)
3628                 return;
3629
3630         r->ws->always_raise = !r->ws->always_raise;
3631
3632         /* bring floaters back to top */
3633         if (r->ws->always_raise == 0)
3634                 stack();
3635 }
3636
3637 void
3638 iconify(struct swm_region *r, union arg *args)
3639 {
3640         union arg a;
3641
3642         if (r->ws->focus == NULL)
3643                 return;
3644         unmap_window(r->ws->focus);
3645         update_iconic(r->ws->focus, 1);
3646         stack();
3647         if (focus_mode == SWM_FOCUS_DEFAULT)
3648                 drain_enter_notify();
3649         r->ws->focus = NULL;
3650         a.id = SWM_ARG_ID_FOCUSCUR;
3651         focus(r, &a);
3652 }
3653
3654 unsigned char *
3655 get_win_name(xcb_window_t win)
3656 {
3657         unsigned char           *prop = NULL;
3658         unsigned long           nbytes, nitems;
3659
3660         /* try _NET_WM_NAME first */
3661         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3662             &prop)) {
3663                 XFree(prop);
3664                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3665                     &nitems, NULL, &prop))
3666                         return (prop);
3667         }
3668
3669         /* fallback to WM_NAME */
3670         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3671                 return (NULL);
3672         XFree(prop);
3673         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3674                 return (prop);
3675
3676         return (NULL);
3677 }
3678
3679 void
3680 uniconify(struct swm_region *r, union arg *args)
3681 {
3682         struct ws_win           *win;
3683         FILE                    *lfile;
3684         unsigned char           *name;
3685         int                     count = 0;
3686
3687         DNPRINTF(SWM_D_MISC, "uniconify\n");
3688
3689         if (r == NULL || r->ws == NULL)
3690                 return;
3691
3692         /* make sure we have anything to uniconify */
3693         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3694                 if (win->ws == NULL)
3695                         continue; /* should never happen */
3696                 if (win->iconic == 0)
3697                         continue;
3698                 count++;
3699         }
3700         if (count == 0)
3701                 return;
3702
3703         search_r = r;
3704         search_resp_action = SWM_SEARCH_UNICONIFY;
3705
3706         spawn_select(r, args, "search", &searchpid);
3707
3708         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3709                 return;
3710
3711         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3712                 if (win->ws == NULL)
3713                         continue; /* should never happen */
3714                 if (win->iconic == 0)
3715                         continue;
3716
3717                 name = get_win_name(win->id);
3718                 if (name == NULL)
3719                         continue;
3720                 fprintf(lfile, "%s.%u\n", name, win->id);
3721                 XFree(name);
3722         }
3723
3724         fclose(lfile);
3725 }
3726
3727 void
3728 name_workspace(struct swm_region *r, union arg *args)
3729 {
3730         FILE                    *lfile;
3731
3732         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3733
3734         if (r == NULL)
3735                 return;
3736
3737         search_r = r;
3738         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3739
3740         spawn_select(r, args, "name_workspace", &searchpid);
3741
3742         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3743                 return;
3744
3745         fprintf(lfile, "%s", "");
3746         fclose(lfile);
3747 }
3748
3749 void
3750 search_workspace(struct swm_region *r, union arg *args)
3751 {
3752         int                     i;
3753         struct workspace        *ws;
3754         FILE                    *lfile;
3755
3756         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3757
3758         if (r == NULL)
3759                 return;
3760
3761         search_r = r;
3762         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3763
3764         spawn_select(r, args, "search", &searchpid);
3765
3766         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3767                 return;
3768
3769         for (i = 0; i < workspace_limit; i++) {
3770                 ws = &r->s->ws[i];
3771                 if (ws == NULL)
3772                         continue;
3773                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3774                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3775         }
3776
3777         fclose(lfile);
3778 }
3779
3780 void
3781 search_win_cleanup(void)
3782 {
3783         struct search_window    *sw = NULL;
3784
3785         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3786                 XDestroyWindow(display, sw->indicator);
3787                 XFreeGC(display, sw->gc);
3788                 TAILQ_REMOVE(&search_wl, sw, entry);
3789                 free(sw);
3790         }
3791 }
3792
3793 void
3794 search_win(struct swm_region *r, union arg *args)
3795 {
3796         struct ws_win           *win = NULL;
3797         struct search_window    *sw = NULL;
3798         Window                  w;
3799         XGCValues               gcv;
3800         int                     i;
3801         char                    s[8];
3802         FILE                    *lfile;
3803         size_t                  len;
3804         XRectangle              ibox, lbox;
3805
3806         DNPRINTF(SWM_D_MISC, "search_win\n");
3807
3808         search_r = r;
3809         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3810
3811         spawn_select(r, args, "search", &searchpid);
3812
3813         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3814                 return;
3815
3816         TAILQ_INIT(&search_wl);
3817
3818         i = 1;
3819         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3820                 if (win->iconic == 1)
3821                         continue;
3822
3823                 sw = calloc(1, sizeof(struct search_window));
3824                 if (sw == NULL) {
3825                         warn("search_win: calloc");
3826                         fclose(lfile);
3827                         search_win_cleanup();
3828                         return;
3829                 }
3830                 sw->idx = i;
3831                 sw->win = win;
3832
3833                 snprintf(s, sizeof s, "%d", i);
3834                 len = strlen(s);
3835
3836                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3837
3838                 w = XCreateSimpleWindow(display,
3839                     win->id, 0, 0,lbox.width + 4,
3840                     bar_fs_extents->max_logical_extent.height, 1,
3841                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3842                     r->s->c[SWM_S_COLOR_FOCUS].color);
3843
3844                 sw->indicator = w;
3845                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3846
3847                 sw->gc = XCreateGC(display, w, 0, &gcv);
3848                 XMapRaised(display, w);
3849                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3850
3851                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3852                     (bar_fs_extents->max_logical_extent.height -
3853                     lbox.height) / 2 - lbox.y, s, len);
3854
3855                 fprintf(lfile, "%d\n", i);
3856                 i++;
3857         }
3858
3859         fclose(lfile);
3860 }
3861
3862 void
3863 search_resp_uniconify(char *resp, unsigned long len)
3864 {
3865         unsigned char           *name;
3866         struct ws_win           *win;
3867         char                    *s;
3868
3869         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3870
3871         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3872                 if (win->iconic == 0)
3873                         continue;
3874                 name = get_win_name(win->id);
3875                 if (name == NULL)
3876                         continue;
3877                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3878                         XFree(name);
3879                         continue;
3880                 }
3881                 XFree(name);
3882                 if (strncmp(s, resp, len) == 0) {
3883                         /* XXX this should be a callback to generalize */
3884                         update_iconic(win, 0);
3885                         free(s);
3886                         break;
3887                 }
3888                 free(s);
3889         }
3890 }
3891
3892 void
3893 search_resp_name_workspace(char *resp, unsigned long len)
3894 {
3895         struct workspace        *ws;
3896
3897         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3898
3899         if (search_r->ws == NULL)
3900                 return;
3901         ws = search_r->ws;
3902
3903         if (ws->name) {
3904                 free(search_r->ws->name);
3905                 search_r->ws->name = NULL;
3906         }
3907
3908         if (len > 1) {
3909                 ws->name = strdup(resp);
3910                 if (ws->name == NULL) {
3911                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3912                             "strdup: %s", strerror(errno));
3913                         return;
3914                 }
3915         }
3916 }
3917
3918 void
3919 search_resp_search_workspace(char *resp, unsigned long len)
3920 {
3921         char                    *p, *q;
3922         int                     ws_idx;
3923         const char              *errstr;
3924         union arg               a;
3925
3926         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3927
3928         q = strdup(resp);
3929         if (!q) {
3930                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3931                     strerror(errno));
3932                 return;
3933         }
3934         p = strchr(q, ':');
3935         if (p != NULL)
3936                 *p = '\0';
3937         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3938         if (errstr) {
3939                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3940                     errstr, q);
3941                 free(q);
3942                 return;
3943         }
3944         free(q);
3945         a.id = ws_idx - 1;
3946         switchws(search_r, &a);
3947 }
3948
3949 void
3950 search_resp_search_window(char *resp, unsigned long len)
3951 {
3952         char                    *s;
3953         int                     idx;
3954         const char              *errstr;
3955         struct search_window    *sw;
3956
3957         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3958
3959         s = strdup(resp);
3960         if (!s) {
3961                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3962                     strerror(errno));
3963                 return;
3964         }
3965
3966         idx = strtonum(s, 1, INT_MAX, &errstr);
3967         if (errstr) {
3968                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3969                     errstr, s);
3970                 free(s);
3971                 return;
3972         }
3973         free(s);
3974
3975         TAILQ_FOREACH(sw, &search_wl, entry)
3976                 if (idx == sw->idx) {
3977                         focus_win(sw->win);
3978                         break;
3979                 }
3980 }
3981
3982 #define MAX_RESP_LEN    1024
3983
3984 void
3985 search_do_resp(void)
3986 {
3987         ssize_t                 rbytes;
3988         char                    *resp;
3989         unsigned long           len;
3990
3991         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3992
3993         search_resp = 0;
3994         searchpid = 0;
3995
3996         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3997                 warn("search: calloc");
3998                 goto done;
3999         }
4000
4001         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4002         if (rbytes <= 0) {
4003                 warn("search: read error");
4004                 goto done;
4005         }
4006         resp[rbytes] = '\0';
4007
4008         /* XXX:
4009          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4010          * newline, so work around that by sanitizing the resp now.
4011          */
4012         resp[strcspn(resp, "\n")] = '\0';
4013         len = strlen(resp);
4014
4015         switch (search_resp_action) {
4016         case SWM_SEARCH_UNICONIFY:
4017                 search_resp_uniconify(resp, len);
4018                 break;
4019         case SWM_SEARCH_NAME_WORKSPACE:
4020                 search_resp_name_workspace(resp, len);
4021                 break;
4022         case SWM_SEARCH_SEARCH_WORKSPACE:
4023                 search_resp_search_workspace(resp, len);
4024                 break;
4025         case SWM_SEARCH_SEARCH_WINDOW:
4026                 search_resp_search_window(resp, len);
4027                 break;
4028         }
4029
4030 done:
4031         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4032                 search_win_cleanup();
4033
4034         search_resp_action = SWM_SEARCH_NONE;
4035         close(select_resp_pipe[0]);
4036         free(resp);
4037 }
4038
4039 void
4040 wkill(struct swm_region *r, union arg *args)
4041 {
4042         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4043
4044         if (r->ws->focus == NULL)
4045                 return;
4046
4047         if (args->id == SWM_ARG_ID_KILLWINDOW)
4048                 XKillClient(display, r->ws->focus->id);
4049         else
4050                 if (r->ws->focus->can_delete)
4051                         client_msg(r->ws->focus, adelete);
4052 }
4053
4054
4055 int
4056 floating_toggle_win(struct ws_win *win)
4057 {
4058         struct swm_region       *r;
4059
4060         if (win == NULL)
4061                 return (0);
4062
4063         if (!win->ws->r)
4064                 return (0);
4065
4066         r = win->ws->r;
4067
4068         /* reject floating toggles in max stack mode */
4069         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4070                 return (0);
4071
4072         if (win->floating) {
4073                 if (!win->floatmaxed) {
4074                         /* retain position for refloat */
4075                         store_float_geom(win, r);
4076                 }
4077                 win->floating = 0;
4078         } else {
4079                 if (win->g_floatvalid) {
4080                         /* refloat at last floating relative position */
4081                         X(win) = win->g_float.x + X(r);
4082                         Y(win) = win->g_float.y + Y(r);
4083                         WIDTH(win) = win->g_float.w;
4084                         HEIGHT(win) = win->g_float.h;
4085                 }
4086                 win->floating = 1;
4087         }
4088
4089         ewmh_update_actions(win);
4090
4091         return (1);
4092 }
4093
4094 void
4095 floating_toggle(struct swm_region *r, union arg *args)
4096 {
4097         struct ws_win           *win = r->ws->focus;
4098         union arg               a;
4099
4100         if (win == NULL)
4101                 return;
4102
4103         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4104             _NET_WM_STATE_TOGGLE);
4105
4106         stack();
4107         if (focus_mode == SWM_FOCUS_DEFAULT)
4108                 drain_enter_notify();
4109
4110         if (win == win->ws->focus) {
4111                 a.id = SWM_ARG_ID_FOCUSCUR;
4112                 focus(win->ws->r, &a);
4113         }
4114 }
4115
4116 void
4117 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4118 {
4119         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4120                 if (resizable)
4121                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4122                 else
4123                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4124         }
4125
4126         if (X(win) + BORDER(win) < X(r)) {
4127                 if (resizable)
4128                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4129
4130                 X(win) = X(r) - BORDER(win);
4131         }
4132
4133         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4134                 if (resizable)
4135                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4136                 else
4137                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4138         }
4139
4140         if (Y(win) + BORDER(win) < Y(r)) {
4141                 if (resizable)
4142                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4143
4144                 Y(win) = Y(r) - BORDER(win);
4145         }
4146
4147         if (resizable) {
4148                 if (WIDTH(win) < 1)
4149                         WIDTH(win) = 1;
4150                 if (HEIGHT(win) < 1)
4151                         HEIGHT(win) = 1;
4152         }
4153 }
4154
4155 void
4156 update_window(struct ws_win *win)
4157 {
4158         unsigned int            mask;
4159         XWindowChanges          wc;
4160
4161         bzero(&wc, sizeof wc);
4162         mask = CWBorderWidth | CWWidth | CWHeight | CWX | CWY;
4163
4164         wc.border_width = BORDER(win);
4165         wc.x = X(win);
4166         wc.y = Y(win);
4167         wc.width = WIDTH(win);
4168         wc.height = HEIGHT(win);
4169
4170         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%lx, (x,y) w x h: "
4171             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc.x, wc.y, wc.width,
4172             wc.height, YESNO(win->bordered));
4173
4174         XConfigureWindow(display, win->id, mask, &wc);
4175 }
4176
4177 #define SWM_RESIZE_STEPS        (50)
4178
4179 void
4180 resize(struct ws_win *win, union arg *args)
4181 {
4182         XEvent                  ev;
4183         Time                    time = 0;
4184         struct swm_region       *r = NULL;
4185         int                     resize_step = 0;
4186         Window                  rr, cr;
4187         int                     x, y, wx, wy;
4188         unsigned int            mask;
4189         struct swm_geometry     g;
4190         int                     top = 0, left = 0;
4191         int                     dx, dy;
4192         Cursor                  cursor;
4193         unsigned int            shape; /* cursor style */
4194
4195         if (win == NULL)
4196                 return;
4197         r = win->ws->r;
4198
4199         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4200                 return;
4201
4202         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
4203             "transient: 0x%lx\n", win->id, YESNO(win->floating),
4204             win->transient);
4205
4206         if (!(win->transient != 0 || win->floating != 0))
4207                 return;
4208
4209         /* reject resizes in max mode for floaters (transient ok) */
4210         if (win->floatmaxed)
4211                 return;
4212
4213         win->manual = 1;
4214         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4215             _NET_WM_STATE_ADD);
4216
4217         stack();
4218
4219         switch (args->id) {
4220         case SWM_ARG_ID_WIDTHSHRINK:
4221                 WIDTH(win) -= SWM_RESIZE_STEPS;
4222                 resize_step = 1;
4223                 break;
4224         case SWM_ARG_ID_WIDTHGROW:
4225                 WIDTH(win) += SWM_RESIZE_STEPS;
4226                 resize_step = 1;
4227                 break;
4228         case SWM_ARG_ID_HEIGHTSHRINK:
4229                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4230                 resize_step = 1;
4231                 break;
4232         case SWM_ARG_ID_HEIGHTGROW:
4233                 HEIGHT(win) += SWM_RESIZE_STEPS;
4234                 resize_step = 1;
4235                 break;
4236         default:
4237                 break;
4238         }
4239         if (resize_step) {
4240                 constrain_window(win, r, 1);
4241                 update_window(win);
4242                 store_float_geom(win,r);
4243                 return;
4244         }
4245
4246         if (focus_mode == SWM_FOCUS_DEFAULT)
4247                 drain_enter_notify();
4248
4249         /* get cursor offset from window root */
4250         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4251             return;
4252
4253         g = win->g;
4254
4255         if (wx < WIDTH(win) / 2)
4256                 left = 1;
4257
4258         if (wy < HEIGHT(win) / 2)
4259                 top = 1;
4260
4261         if (args->id == SWM_ARG_ID_CENTER)
4262                 shape = XC_sizing;
4263         else if (top)
4264                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4265         else
4266                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4267
4268         cursor = XCreateFontCursor(display, shape);
4269
4270         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4271             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4272                 XFreeCursor(display, cursor);
4273                 return;
4274         }
4275
4276         do {
4277                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4278                     SubstructureRedirectMask, &ev);
4279                 switch (ev.type) {
4280                 case ConfigureRequest:
4281                 case Expose:
4282                 case MapRequest:
4283                         handler[ev.type](&ev);
4284                         break;
4285                 case MotionNotify:
4286                         /* cursor offset/delta from start of the operation */
4287                         dx = ev.xmotion.x_root - x;
4288                         dy = ev.xmotion.y_root - y;
4289
4290                         /* vertical */
4291                         if (top)
4292                                 dy = -dy;
4293
4294                         if (args->id == SWM_ARG_ID_CENTER) {
4295                                 if (g.h / 2 + dy < 1)
4296                                         dy = 1 - g.h / 2;
4297
4298                                 Y(win) = g.y - dy;
4299                                 HEIGHT(win) = g.h + 2 * dy;
4300                         } else {
4301                                 if (g.h + dy < 1)
4302                                         dy = 1 - g.h;
4303
4304                                 if (top)
4305                                         Y(win) = g.y - dy;
4306
4307                                 HEIGHT(win) = g.h + dy;
4308                         }
4309
4310                         /* horizontal */
4311                         if (left)
4312                                 dx = -dx;
4313
4314                         if (args->id == SWM_ARG_ID_CENTER) {
4315                                 if (g.w / 2 + dx < 1)
4316                                         dx = 1 - g.w / 2;
4317
4318                                 X(win) = g.x - dx;
4319                                 WIDTH(win) = g.w + 2 * dx;
4320                         } else {
4321                                 if (g.w + dx < 1)
4322                                         dx = 1 - g.w;
4323
4324                                 if (left)
4325                                         X(win) = g.x - dx;
4326
4327                                 WIDTH(win) = g.w + dx;
4328                         }
4329
4330                         constrain_window(win, r, 1);
4331
4332                         /* not free, don't sync more than 120 times / second */
4333                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4334                                 time = ev.xmotion.time;
4335                                 XSync(display, False);
4336                                 update_window(win);
4337                         }
4338                         break;
4339                 }
4340         } while (ev.type != ButtonRelease);
4341         if (time) {
4342                 XSync(display, False);
4343                 update_window(win);
4344         }
4345         store_float_geom(win,r);
4346
4347         XUngrabPointer(display, CurrentTime);
4348         XFreeCursor(display, cursor);
4349
4350         /* drain events */
4351         drain_enter_notify();
4352 }
4353
4354 void
4355 resize_step(struct swm_region *r, union arg *args)
4356 {
4357         struct ws_win           *win = NULL;
4358
4359         if (r && r->ws && r->ws->focus)
4360                 win = r->ws->focus;
4361         else
4362                 return;
4363
4364         resize(win, args);
4365 }
4366
4367 #define SWM_MOVE_STEPS  (50)
4368
4369 void
4370 move(struct ws_win *win, union arg *args)
4371 {
4372         XEvent                  ev;
4373         Time                    time = 0;
4374         int                     move_step = 0;
4375         struct swm_region       *r = NULL;
4376
4377         Window                  rr, cr;
4378         int                     x, y, wx, wy;
4379         unsigned int            mask;
4380
4381         if (win == NULL)
4382                 return;
4383         r = win->ws->r;
4384
4385         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4386                 return;
4387
4388         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4389             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4390
4391         /* in max_stack mode should only move transients */
4392         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4393                 return;
4394
4395         win->manual = 1;
4396         if (win->floating == 0 && !win->transient) {
4397                 store_float_geom(win, r);
4398                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4399                     _NET_WM_STATE_ADD);
4400         }
4401         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4402             _NET_WM_STATE_ADD);
4403
4404         stack();
4405
4406         move_step = 0;
4407         switch (args->id) {
4408         case SWM_ARG_ID_MOVELEFT:
4409                 X(win) -= (SWM_MOVE_STEPS - border_width);
4410                 move_step = 1;
4411                 break;
4412         case SWM_ARG_ID_MOVERIGHT:
4413                 X(win) += (SWM_MOVE_STEPS - border_width);
4414                 move_step = 1;
4415                 break;
4416         case SWM_ARG_ID_MOVEUP:
4417                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4418                 move_step = 1;
4419                 break;
4420         case SWM_ARG_ID_MOVEDOWN:
4421                 Y(win) += (SWM_MOVE_STEPS - border_width);
4422                 move_step = 1;
4423                 break;
4424         default:
4425                 break;
4426         }
4427         if (move_step) {
4428                 constrain_window(win, r, 0);
4429                 update_window(win);
4430                 store_float_geom(win, r);
4431                 return;
4432         }
4433
4434         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4435             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4436             CurrentTime) != GrabSuccess)
4437                 return;
4438
4439         /* get cursor offset from window root */
4440         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4441             return;
4442
4443         do {
4444                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4445                     SubstructureRedirectMask, &ev);
4446                 switch (ev.type) {
4447                 case ConfigureRequest:
4448                 case Expose:
4449                 case MapRequest:
4450                         handler[ev.type](&ev);
4451                         break;
4452                 case MotionNotify:
4453                         X(win) = ev.xmotion.x_root - wx - border_width;
4454                         Y(win) = ev.xmotion.y_root - wy - border_width;
4455
4456                         constrain_window(win, r, 0);
4457
4458                         /* not free, don't sync more than 120 times / second */
4459                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4460                                 time = ev.xmotion.time;
4461                                 XSync(display, False);
4462                                 update_window(win);
4463                         }
4464                         break;
4465                 }
4466         } while (ev.type != ButtonRelease);
4467         if (time) {
4468                 XSync(display, False);
4469                 update_window(win);
4470         }
4471         store_float_geom(win, r);
4472         XUngrabPointer(display, CurrentTime);
4473
4474         /* drain events */
4475         drain_enter_notify();
4476 }
4477
4478 void
4479 move_step(struct swm_region *r, union arg *args)
4480 {
4481         struct ws_win           *win = NULL;
4482
4483         if (r && r->ws && r->ws->focus)
4484                 win = r->ws->focus;
4485         else
4486                 return;
4487
4488         if (!(win->transient != 0 || win->floating != 0))
4489                 return;
4490
4491         move(win, args);
4492 }
4493
4494
4495 /* user/key callable function IDs */
4496 enum keyfuncid {
4497         kf_cycle_layout,
4498         kf_flip_layout,
4499         kf_stack_reset,
4500         kf_master_shrink,
4501         kf_master_grow,
4502         kf_master_add,
4503         kf_master_del,
4504         kf_stack_inc,
4505         kf_stack_dec,
4506         kf_swap_main,
4507         kf_focus_next,
4508         kf_focus_prev,
4509         kf_swap_next,
4510         kf_swap_prev,
4511         kf_quit,
4512         kf_restart,
4513         kf_focus_main,
4514         kf_ws_1,
4515         kf_ws_2,
4516         kf_ws_3,
4517         kf_ws_4,
4518         kf_ws_5,
4519         kf_ws_6,
4520         kf_ws_7,
4521         kf_ws_8,
4522         kf_ws_9,
4523         kf_ws_10,
4524         kf_ws_11,
4525         kf_ws_12,
4526         kf_ws_13,
4527         kf_ws_14,
4528         kf_ws_15,
4529         kf_ws_16,
4530         kf_ws_17,
4531         kf_ws_18,
4532         kf_ws_19,
4533         kf_ws_20,
4534         kf_ws_21,
4535         kf_ws_22,
4536         kf_ws_next,
4537         kf_ws_prev,
4538         kf_ws_next_all,
4539         kf_ws_prev_all,
4540         kf_ws_prior,
4541         kf_screen_next,
4542         kf_screen_prev,
4543         kf_mvws_1,
4544         kf_mvws_2,
4545         kf_mvws_3,
4546         kf_mvws_4,
4547         kf_mvws_5,
4548         kf_mvws_6,
4549         kf_mvws_7,
4550         kf_mvws_8,
4551         kf_mvws_9,
4552         kf_mvws_10,
4553         kf_mvws_11,
4554         kf_mvws_12,
4555         kf_mvws_13,
4556         kf_mvws_14,
4557         kf_mvws_15,
4558         kf_mvws_16,
4559         kf_mvws_17,
4560         kf_mvws_18,
4561         kf_mvws_19,
4562         kf_mvws_20,
4563         kf_mvws_21,
4564         kf_mvws_22,
4565         kf_bar_toggle,
4566         kf_wind_kill,
4567         kf_wind_del,
4568         kf_float_toggle,
4569         kf_version,
4570         kf_spawn_custom,
4571         kf_iconify,
4572         kf_uniconify,
4573         kf_raise_toggle,
4574         kf_button2,
4575         kf_width_shrink,
4576         kf_width_grow,
4577         kf_height_shrink,
4578         kf_height_grow,
4579         kf_move_left,
4580         kf_move_right,
4581         kf_move_up,
4582         kf_move_down,
4583         kf_name_workspace,
4584         kf_search_workspace,
4585         kf_search_win,
4586         kf_dumpwins, /* MUST BE LAST */
4587         kf_invalid
4588 };
4589
4590 /* key definitions */
4591 void
4592 dummykeyfunc(struct swm_region *r, union arg *args)
4593 {
4594 };
4595
4596 struct keyfunc {
4597         char                    name[SWM_FUNCNAME_LEN];
4598         void                    (*func)(struct swm_region *r, union arg *);
4599         union arg               args;
4600 } keyfuncs[kf_invalid + 1] = {
4601         /* name                 function        argument */
4602         { "cycle_layout",       cycle_layout,   {0} },
4603         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4604         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4605         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4606         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4607         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4608         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4609         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4610         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4611         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4612         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4613         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4614         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4615         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4616         { "quit",               quit,           {0} },
4617         { "restart",            restart,        {0} },
4618         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4619         { "ws_1",               switchws,       {.id = 0} },
4620         { "ws_2",               switchws,       {.id = 1} },
4621         { "ws_3",               switchws,       {.id = 2} },
4622         { "ws_4",               switchws,       {.id = 3} },
4623         { "ws_5",               switchws,       {.id = 4} },
4624         { "ws_6",               switchws,       {.id = 5} },
4625         { "ws_7",               switchws,       {.id = 6} },
4626         { "ws_8",               switchws,       {.id = 7} },
4627         { "ws_9",               switchws,       {.id = 8} },
4628         { "ws_10",              switchws,       {.id = 9} },
4629         { "ws_11",              switchws,       {.id = 10} },
4630         { "ws_12",              switchws,       {.id = 11} },
4631         { "ws_13",              switchws,       {.id = 12} },
4632         { "ws_14",              switchws,       {.id = 13} },
4633         { "ws_15",              switchws,       {.id = 14} },
4634         { "ws_16",              switchws,       {.id = 15} },
4635         { "ws_17",              switchws,       {.id = 16} },
4636         { "ws_18",              switchws,       {.id = 17} },
4637         { "ws_19",              switchws,       {.id = 18} },
4638         { "ws_20",              switchws,       {.id = 19} },
4639         { "ws_21",              switchws,       {.id = 20} },
4640         { "ws_22",              switchws,       {.id = 21} },
4641         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4642         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4643         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4644         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4645         { "ws_prior",           priorws,        {0} },
4646         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4647         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4648         { "mvws_1",             send_to_ws,     {.id = 0} },
4649         { "mvws_2",             send_to_ws,     {.id = 1} },
4650         { "mvws_3",             send_to_ws,     {.id = 2} },
4651         { "mvws_4",             send_to_ws,     {.id = 3} },
4652         { "mvws_5",             send_to_ws,     {.id = 4} },
4653         { "mvws_6",             send_to_ws,     {.id = 5} },
4654         { "mvws_7",             send_to_ws,     {.id = 6} },
4655         { "mvws_8",             send_to_ws,     {.id = 7} },
4656         { "mvws_9",             send_to_ws,     {.id = 8} },
4657         { "mvws_10",            send_to_ws,     {.id = 9} },
4658         { "mvws_11",            send_to_ws,     {.id = 10} },
4659         { "mvws_12",            send_to_ws,     {.id = 11} },
4660         { "mvws_13",            send_to_ws,     {.id = 12} },
4661         { "mvws_14",            send_to_ws,     {.id = 13} },
4662         { "mvws_15",            send_to_ws,     {.id = 14} },
4663         { "mvws_16",            send_to_ws,     {.id = 15} },
4664         { "mvws_17",            send_to_ws,     {.id = 16} },
4665         { "mvws_18",            send_to_ws,     {.id = 17} },
4666         { "mvws_19",            send_to_ws,     {.id = 18} },
4667         { "mvws_20",            send_to_ws,     {.id = 19} },
4668         { "mvws_21",            send_to_ws,     {.id = 20} },
4669         { "mvws_22",            send_to_ws,     {.id = 21} },
4670         { "bar_toggle",         bar_toggle,     {0} },
4671         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4672         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4673         { "float_toggle",       floating_toggle,{0} },
4674         { "version",            version,        {0} },
4675         { "spawn_custom",       dummykeyfunc,   {0} },
4676         { "iconify",            iconify,        {0} },
4677         { "uniconify",          uniconify,      {0} },
4678         { "raise_toggle",       raise_toggle,   {0} },
4679         { "button2",            pressbutton,    {2} },
4680         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4681         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4682         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4683         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4684         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4685         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4686         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4687         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4688         { "name_workspace",     name_workspace, {0} },
4689         { "search_workspace",   search_workspace,       {0} },
4690         { "search_win",         search_win,     {0} },
4691         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4692         { "invalid key func",   NULL,           {0} },
4693 };
4694 struct key {
4695         RB_ENTRY(key)           entry;
4696         unsigned int            mod;
4697         KeySym                  keysym;
4698         enum keyfuncid          funcid;
4699         char                    *spawn_name;
4700 };
4701 RB_HEAD(key_tree, key);
4702
4703 int
4704 key_cmp(struct key *kp1, struct key *kp2)
4705 {
4706         if (kp1->keysym < kp2->keysym)
4707                 return (-1);
4708         if (kp1->keysym > kp2->keysym)
4709                 return (1);
4710
4711         if (kp1->mod < kp2->mod)
4712                 return (-1);
4713         if (kp1->mod > kp2->mod)
4714                 return (1);
4715
4716         return (0);
4717 }
4718
4719 RB_GENERATE(key_tree, key, entry, key_cmp);
4720 struct key_tree                 keys;
4721
4722 /* mouse */
4723 enum { client_click, root_click };
4724 struct button {
4725         unsigned int            action;
4726         unsigned int            mask;
4727         unsigned int            button;
4728         void                    (*func)(struct ws_win *, union arg *);
4729         union arg               args;
4730 } buttons[] = {
4731           /* action     key             mouse button    func    args */
4732         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4733         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4734         { client_click, MODKEY,         Button1,        move,   {0} },
4735 };
4736
4737 void
4738 update_modkey(unsigned int mod)
4739 {
4740         int                     i;
4741         struct key              *kp;
4742
4743         mod_key = mod;
4744         RB_FOREACH(kp, key_tree, &keys)
4745                 if (kp->mod & ShiftMask)
4746                         kp->mod = mod | ShiftMask;
4747                 else
4748                         kp->mod = mod;
4749
4750         for (i = 0; i < LENGTH(buttons); i++)
4751                 if (buttons[i].mask & ShiftMask)
4752                         buttons[i].mask = mod | ShiftMask;
4753                 else
4754                         buttons[i].mask = mod;
4755 }
4756
4757 /* spawn */
4758 struct spawn_prog {
4759         TAILQ_ENTRY(spawn_prog) entry;
4760         char                    *name;
4761         int                     argc;
4762         char                    **argv;
4763 };
4764 TAILQ_HEAD(spawn_list, spawn_prog);
4765 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4766
4767 int
4768 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4769     char ***ret_args)
4770 {
4771         struct spawn_prog       *prog = NULL;
4772         int                     i;
4773         char                    *ap, **real_args;
4774
4775         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4776
4777         /* find program */
4778         TAILQ_FOREACH(prog, &spawns, entry) {
4779                 if (!strcasecmp(spawn_name, prog->name))
4780                         break;
4781         }
4782         if (prog == NULL) {
4783                 warnx("spawn_custom: program %s not found", spawn_name);
4784                 return (-1);
4785         }
4786
4787         /* make room for expanded args */
4788         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4789                 err(1, "spawn_custom: calloc real_args");
4790
4791         /* expand spawn_args into real_args */
4792         for (i = 0; i < prog->argc; i++) {
4793                 ap = prog->argv[i];
4794                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4795                 if (!strcasecmp(ap, "$bar_border")) {
4796                         if ((real_args[i] =
4797                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4798                             == NULL)
4799                                 err(1,  "spawn_custom border color");
4800                 } else if (!strcasecmp(ap, "$bar_color")) {
4801                         if ((real_args[i] =
4802                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4803                             == NULL)
4804                                 err(1, "spawn_custom bar color");
4805                 } else if (!strcasecmp(ap, "$bar_font")) {
4806                         if ((real_args[i] = strdup(bar_fonts))
4807                             == NULL)
4808                                 err(1, "spawn_custom bar fonts");
4809                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4810                         if ((real_args[i] =
4811                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4812                             == NULL)
4813                                 err(1, "spawn_custom color font");
4814                 } else if (!strcasecmp(ap, "$color_focus")) {
4815                         if ((real_args[i] =
4816                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4817                             == NULL)
4818                                 err(1, "spawn_custom color focus");
4819                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4820                         if ((real_args[i] =
4821                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4822                             == NULL)
4823                                 err(1, "spawn_custom color unfocus");
4824                 } else {
4825                         /* no match --> copy as is */
4826                         if ((real_args[i] = strdup(ap)) == NULL)
4827                                 err(1, "spawn_custom strdup(ap)");
4828                 }
4829                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4830                     real_args[i]);
4831         }
4832
4833 #ifdef SWM_DEBUG
4834         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4835         for (i = 0; i < prog->argc; i++)
4836                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4837         DNPRINTF(SWM_D_SPAWN, "\n");
4838 #endif
4839         *ret_args = real_args;
4840         return (prog->argc);
4841 }
4842
4843 void
4844 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4845 {
4846         union arg               a;
4847         char                    **real_args;
4848         int                     spawn_argc, i;
4849
4850         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4851                 return;
4852         a.argv = real_args;
4853         if (fork() == 0)
4854                 spawn(r->ws->idx, &a, 1);
4855
4856         for (i = 0; i < spawn_argc; i++)
4857                 free(real_args[i]);
4858         free(real_args);
4859 }
4860
4861 void
4862 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4863 {
4864         union arg               a;
4865         char                    **real_args;
4866         int                     i, spawn_argc;
4867
4868         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4869                 return;
4870         a.argv = real_args;
4871
4872         if (pipe(select_list_pipe) == -1)
4873                 err(1, "pipe error");
4874         if (pipe(select_resp_pipe) == -1)
4875                 err(1, "pipe error");
4876
4877         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4878                 err(1, "could not disable SIGPIPE");
4879         switch (*pid = fork()) {
4880         case -1:
4881                 err(1, "cannot fork");
4882                 break;
4883         case 0: /* child */
4884                 if (dup2(select_list_pipe[0], 0) == -1)
4885                         err(1, "dup2");
4886                 if (dup2(select_resp_pipe[1], 1) == -1)
4887                         err(1, "dup2");
4888                 close(select_list_pipe[1]);
4889                 close(select_resp_pipe[0]);
4890                 spawn(r->ws->idx, &a, 0);
4891                 break;
4892         default: /* parent */
4893                 close(select_list_pipe[0]);
4894                 close(select_resp_pipe[1]);
4895                 break;
4896         }
4897
4898         for (i = 0; i < spawn_argc; i++)
4899                 free(real_args[i]);
4900         free(real_args);
4901 }
4902
4903 void
4904 spawn_insert(char *name, char *args)
4905 {
4906         char                    *arg, *cp, *ptr;
4907         struct spawn_prog       *sp;
4908
4909         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4910
4911         if ((sp = calloc(1, sizeof *sp)) == NULL)
4912                 err(1, "spawn_insert: malloc");
4913         if ((sp->name = strdup(name)) == NULL)
4914                 err(1, "spawn_insert: strdup");
4915
4916         /* convert the arguments to an argument list */
4917         if ((ptr = cp = strdup(args)) == NULL)
4918                 err(1, "spawn_insert: strdup");
4919         while ((arg = strsep(&ptr, " \t")) != NULL) {
4920                 /* empty field; skip it */
4921                 if (*arg == '\0')
4922                         continue;
4923
4924                 sp->argc++;
4925                 if ((sp->argv = realloc(sp->argv, sp->argc *
4926                     sizeof *sp->argv)) == NULL)
4927                         err(1, "spawn_insert: realloc");
4928                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4929                         err(1, "spawn_insert: strdup");
4930         }
4931         free(cp);
4932
4933         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4934         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4935 }
4936
4937 void
4938 spawn_remove(struct spawn_prog *sp)
4939 {
4940         int                     i;
4941
4942         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4943
4944         TAILQ_REMOVE(&spawns, sp, entry);
4945         for (i = 0; i < sp->argc; i++)
4946                 free(sp->argv[i]);
4947         free(sp->argv);
4948         free(sp->name);
4949         free(sp);
4950
4951         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
4952 }
4953
4954 void
4955 spawn_replace(struct spawn_prog *sp, char *name, char *args)
4956 {
4957         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
4958
4959         spawn_remove(sp);
4960         spawn_insert(name, args);
4961
4962         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
4963 }
4964
4965 void
4966 setspawn(char *name, char *args)
4967 {
4968         struct spawn_prog       *sp;
4969
4970         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
4971
4972         if (name == NULL)
4973                 return;
4974
4975         TAILQ_FOREACH(sp, &spawns, entry) {
4976                 if (!strcmp(sp->name, name)) {
4977                         if (*args == '\0')
4978                                 spawn_remove(sp);
4979                         else
4980                                 spawn_replace(sp, name, args);
4981                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4982                         return;
4983                 }
4984         }
4985         if (*args == '\0') {
4986                 warnx("error: setspawn: cannot find program: %s", name);
4987                 return;
4988         }
4989
4990         spawn_insert(name, args);
4991         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4992 }
4993
4994 int
4995 setconfspawn(char *selector, char *value, int flags)
4996 {
4997         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4998
4999         setspawn(selector, value);
5000
5001         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5002         return (0);
5003 }
5004
5005 void
5006 setup_spawn(void)
5007 {
5008         setconfspawn("term",            "xterm",                0);
5009         setconfspawn("spawn_term",      "xterm",                0);
5010         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5011         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5012         setconfspawn("lock",            "xlock",                0);
5013         setconfspawn("initscr",         "initscreen.sh",        0);
5014         setconfspawn("menu",            "dmenu_run"
5015                                         " -fn $bar_font"
5016                                         " -nb $bar_color"
5017                                         " -nf $bar_font_color"
5018                                         " -sb $bar_border"
5019                                         " -sf $bar_color",      0);
5020         setconfspawn("search",          "dmenu"
5021                                         " -i"
5022                                         " -fn $bar_font"
5023                                         " -nb $bar_color"
5024                                         " -nf $bar_font_color"
5025                                         " -sb $bar_border"
5026                                         " -sf $bar_color",      0);
5027         setconfspawn("name_workspace",  "dmenu"
5028                                         " -p Workspace"
5029                                         " -fn $bar_font"
5030                                         " -nb $bar_color"
5031                                         " -nf $bar_font_color"
5032                                         " -sb $bar_border"
5033                                         " -sf $bar_color",      0);
5034 }
5035
5036 /* key bindings */
5037 #define SWM_MODNAME_SIZE        32
5038 #define SWM_KEY_WS              "\n+ \t"
5039 int
5040 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5041 {
5042         char                    *cp, *name;
5043         KeySym                  uks;
5044         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5045         if (mod == NULL || ks == NULL) {
5046                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5047                 return (1);
5048         }
5049         if (keystr == NULL || strlen(keystr) == 0) {
5050                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5051                 return (1);
5052         }
5053         cp = keystr;
5054         *ks = NoSymbol;
5055         *mod = 0;
5056         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5057                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5058                 if (cp)
5059                         cp += (long)strspn(cp, SWM_KEY_WS);
5060                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5061                         *mod |= currmod;
5062                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5063                         *mod |= Mod1Mask;
5064                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5065                         *mod += Mod2Mask;
5066                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5067                         *mod |= Mod3Mask;
5068                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5069                         *mod |= Mod4Mask;
5070                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5071                         *mod |= ShiftMask;
5072                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5073                         *mod |= ControlMask;
5074                 else {
5075                         *ks = XStringToKeysym(name);
5076                         XConvertCase(*ks, ks, &uks);
5077                         if (ks == NoSymbol) {
5078                                 DNPRINTF(SWM_D_KEY,
5079                                     "parsekeys: invalid key %s\n",
5080                                     name);
5081                                 return (1);
5082                         }
5083                 }
5084         }
5085         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5086         return (0);
5087 }
5088
5089 char *
5090 strdupsafe(char *str)
5091 {
5092         if (str == NULL)
5093                 return (NULL);
5094         else
5095                 return (strdup(str));
5096 }
5097
5098 void
5099 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5100 {
5101         struct key              *kp;
5102
5103         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5104             keyfuncs[kfid].name, spawn_name);
5105
5106         if ((kp = malloc(sizeof *kp)) == NULL)
5107                 err(1, "key_insert: malloc");
5108
5109         kp->mod = mod;
5110         kp->keysym = ks;
5111         kp->funcid = kfid;
5112         kp->spawn_name = strdupsafe(spawn_name);
5113         RB_INSERT(key_tree, &keys, kp);
5114
5115         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5116 }
5117
5118 struct key *
5119 key_lookup(unsigned int mod, KeySym ks)
5120 {
5121         struct key              kp;
5122
5123         kp.keysym = ks;
5124         kp.mod = mod;
5125
5126         return (RB_FIND(key_tree, &keys, &kp));
5127 }
5128
5129 void
5130 key_remove(struct key *kp)
5131 {
5132         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5133
5134         RB_REMOVE(key_tree, &keys, kp);
5135         free(kp->spawn_name);
5136         free(kp);
5137
5138         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5139 }
5140
5141 void
5142 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5143     char *spawn_name)
5144 {
5145         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5146             spawn_name);
5147
5148         key_remove(kp);
5149         key_insert(mod, ks, kfid, spawn_name);
5150
5151         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5152 }
5153
5154 void
5155 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5156     char *spawn_name)
5157 {
5158         struct key              *kp;
5159
5160         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5161             keyfuncs[kfid].name, spawn_name);
5162
5163         if ((kp = key_lookup(mod, ks)) != NULL) {
5164                 if (kfid == kf_invalid)
5165                         key_remove(kp);
5166                 else
5167                         key_replace(kp, mod, ks, kfid, spawn_name);
5168                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5169                 return;
5170         }
5171         if (kfid == kf_invalid) {
5172                 warnx("error: setkeybinding: cannot find mod/key combination");
5173                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5174                 return;
5175         }
5176
5177         key_insert(mod, ks, kfid, spawn_name);
5178         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5179 }
5180
5181 int
5182 setconfbinding(char *selector, char *value, int flags)
5183 {
5184         enum keyfuncid          kfid;
5185         unsigned int            mod;
5186         KeySym                  ks;
5187         struct spawn_prog       *sp;
5188         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5189         if (selector == NULL) {
5190                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5191                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5192                         kfid = kf_invalid;
5193                         setkeybinding(mod, ks, kfid, NULL);
5194                         return (0);
5195                 } else
5196                         return (1);
5197         }
5198         /* search by key function name */
5199         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5200                 if (strncasecmp(selector, keyfuncs[kfid].name,
5201                     SWM_FUNCNAME_LEN) == 0) {
5202                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5203                             selector);
5204                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5205                                 setkeybinding(mod, ks, kfid, NULL);
5206                                 return (0);
5207                         } else
5208                                 return (1);
5209                 }
5210         }
5211         /* search by custom spawn name */
5212         TAILQ_FOREACH(sp, &spawns, entry) {
5213                 if (strcasecmp(selector, sp->name) == 0) {
5214                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5215                             selector);
5216                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5217                                 setkeybinding(mod, ks, kf_spawn_custom,
5218                                     sp->name);
5219                                 return (0);
5220                         } else
5221                                 return (1);
5222                 }
5223         }
5224         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5225         return (1);
5226 }
5227
5228 void
5229 setup_keys(void)
5230 {
5231         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5232         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5233         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5234         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5235         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5236         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5237         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5238         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5239         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5240         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5241         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5242         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5243         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5244         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5245         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5246         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5247         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5248         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5249         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5250         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5251         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5252         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5253         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5254         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5255         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5256         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5257         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5258         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5259         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5260         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5261         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5262         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5263         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5264         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5265         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5266         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5267         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5268         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5269         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5270         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5271         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5272         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5273         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5274         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5275         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5276         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5277         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5278         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5279         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5280         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5281         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5282         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5283         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5284         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5285         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5286         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5287         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5288         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5289         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5290         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5291         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5292         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5293         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5294         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5295         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5296         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5297         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5298         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5299         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5300         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5301         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5302         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5303         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5304         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5305         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5306         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5307         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5308         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5309         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5310         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5311         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5312         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5313         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5314         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5315         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5316         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5317         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5318         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5319         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5320         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5321         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5322         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5323         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5324         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5325         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5326         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5327 #ifdef SWM_DEBUG
5328         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5329 #endif
5330 }
5331
5332 void
5333 clear_keys(void)
5334 {
5335         struct key              *kp;
5336
5337         while (RB_EMPTY(&keys) == 0) {
5338                 kp = RB_ROOT(&keys);
5339                 key_remove(kp);
5340         }
5341 }
5342
5343 int
5344 setkeymapping(char *selector, char *value, int flags)
5345 {
5346         char                    keymapping_file[PATH_MAX];
5347         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5348         if (value[0] == '~')
5349                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5350                     pwd->pw_dir, &value[1]);
5351         else
5352                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5353         clear_keys();
5354         /* load new key bindings; if it fails, revert to default bindings */
5355         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5356                 clear_keys();
5357                 setup_keys();
5358         }
5359         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5360         return (0);
5361 }
5362
5363 void
5364 updatenumlockmask(void)
5365 {
5366         unsigned int            i, j;
5367         XModifierKeymap         *modmap;
5368
5369         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5370         numlockmask = 0;
5371         modmap = XGetModifierMapping(display);
5372         for (i = 0; i < 8; i++)
5373                 for (j = 0; j < modmap->max_keypermod; j++)
5374                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5375                             == XKeysymToKeycode(display, XK_Num_Lock))
5376                                 numlockmask = (1 << i);
5377
5378         XFreeModifiermap(modmap);
5379 }
5380
5381 void
5382 grabkeys(void)
5383 {
5384         int                     num_screens;
5385         unsigned int            j, k;
5386         KeyCode                 code;
5387         unsigned int            modifiers[] =
5388             { 0, LockMask, numlockmask, numlockmask | LockMask };
5389         struct key              *kp;
5390
5391         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5392         updatenumlockmask();
5393
5394         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5395         for (k = 0; k < num_screens; k++) {
5396                 if (TAILQ_EMPTY(&screens[k].rl))
5397                         continue;
5398                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
5399                 RB_FOREACH(kp, key_tree, &keys) {
5400                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5401                                 for (j = 0; j < LENGTH(modifiers); j++)
5402                                         XGrabKey(display, code,
5403                                             kp->mod | modifiers[j],
5404                                             screens[k].root, True,
5405                                             GrabModeAsync, GrabModeAsync);
5406                 }
5407         }
5408 }
5409
5410 void
5411 grabbuttons(struct ws_win *win, int focused)
5412 {
5413         unsigned int            i, j;
5414         unsigned int            modifiers[] =
5415             { 0, LockMask, numlockmask, numlockmask|LockMask };
5416
5417         updatenumlockmask();
5418         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5419                 XCB_BUTTON_MASK_ANY);
5420         if (focused) {
5421                 for (i = 0; i < LENGTH(buttons); i++)
5422                         if (buttons[i].action == client_click)
5423                                 for (j = 0; j < LENGTH(modifiers); j++)
5424                                         xcb_grab_button(conn, False, win->id,
5425                                                 BUTTONMASK,
5426                                                 XCB_GRAB_MODE_ASYNC,
5427                                                 XCB_GRAB_MODE_SYNC,
5428                                                 XCB_WINDOW_NONE,
5429                                                 XCB_CURSOR_NONE,
5430                                                 buttons[i].button,
5431                                                 buttons[i].mask);
5432         } else
5433                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5434                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5435                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5436                         XCB_BUTTON_MASK_ANY);
5437 }
5438
5439 const char *quirkname[] = {
5440         "NONE",         /* config string for "no value" */
5441         "FLOAT",
5442         "TRANSSZ",
5443         "ANYWHERE",
5444         "XTERM_FONTADJ",
5445         "FULLSCREEN",
5446         "FOCUSPREV",
5447 };
5448
5449 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5450 #define SWM_Q_WS                "\n|+ \t"
5451 int
5452 parsequirks(char *qstr, unsigned long *quirk)
5453 {
5454         char                    *cp, *name;
5455         int                     i;
5456
5457         if (quirk == NULL)
5458                 return (1);
5459
5460         cp = qstr;
5461         *quirk = 0;
5462         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5463                 if (cp)
5464                         cp += (long)strspn(cp, SWM_Q_WS);
5465                 for (i = 0; i < LENGTH(quirkname); i++) {
5466                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5467                                 DNPRINTF(SWM_D_QUIRK,
5468                                     "parsequirks: %s\n", name);
5469                                 if (i == 0) {
5470                                         *quirk = 0;
5471                                         return (0);
5472                                 }
5473                                 *quirk |= 1 << (i-1);
5474                                 break;
5475                         }
5476                 }
5477                 if (i >= LENGTH(quirkname)) {
5478                         DNPRINTF(SWM_D_QUIRK,
5479                             "parsequirks: invalid quirk [%s]\n", name);
5480                         return (1);
5481                 }
5482         }
5483         return (0);
5484 }
5485
5486 void
5487 quirk_insert(const char *class, const char *name, unsigned long quirk)
5488 {
5489         struct quirk            *qp;
5490
5491         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5492             quirk);
5493
5494         if ((qp = malloc(sizeof *qp)) == NULL)
5495                 err(1, "quirk_insert: malloc");
5496         if ((qp->class = strdup(class)) == NULL)
5497                 err(1, "quirk_insert: strdup");
5498         if ((qp->name = strdup(name)) == NULL)
5499                 err(1, "quirk_insert: strdup");
5500
5501         qp->quirk = quirk;
5502         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5503
5504         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5505 }
5506
5507 void
5508 quirk_remove(struct quirk *qp)
5509 {
5510         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5511             qp->name, qp->quirk);
5512
5513         TAILQ_REMOVE(&quirks, qp, entry);
5514         free(qp->class);
5515         free(qp->name);
5516         free(qp);
5517
5518         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5519 }
5520
5521 void
5522 quirk_replace(struct quirk *qp, const char *class, const char *name,
5523     unsigned long quirk)
5524 {
5525         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5526             qp->name, qp->quirk);
5527
5528         quirk_remove(qp);
5529         quirk_insert(class, name, quirk);
5530
5531         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5532 }
5533
5534 void
5535 setquirk(const char *class, const char *name, unsigned long quirk)
5536 {
5537         struct quirk            *qp;
5538
5539         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5540            quirk);
5541
5542         TAILQ_FOREACH(qp, &quirks, entry) {
5543                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5544                         if (!quirk)
5545                                 quirk_remove(qp);
5546                         else
5547                                 quirk_replace(qp, class, name, quirk);
5548                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5549                         return;
5550                 }
5551         }
5552         if (!quirk) {
5553                 warnx("error: setquirk: cannot find class/name combination");
5554                 return;
5555         }
5556
5557         quirk_insert(class, name, quirk);
5558         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5559 }
5560
5561 int
5562 setconfquirk(char *selector, char *value, int flags)
5563 {
5564         char                    *cp, *class, *name;
5565         int                     retval;
5566         unsigned long           quirks;
5567         if (selector == NULL)
5568                 return (0);
5569         if ((cp = strchr(selector, ':')) == NULL)
5570                 return (0);
5571         *cp = '\0';
5572         class = selector;
5573         name = cp + 1;
5574         if ((retval = parsequirks(value, &quirks)) == 0)
5575                 setquirk(class, name, quirks);
5576         return (retval);
5577 }
5578
5579 void
5580 setup_quirks(void)
5581 {
5582         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5583         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5584         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5585         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5586         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5587         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5588         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5589         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5590         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5591         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5592         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5593         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5594         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5595 }
5596
5597 /* conf file stuff */
5598 #define SWM_CONF_FILE           "spectrwm.conf"
5599 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5600
5601 enum {
5602         SWM_S_BAR_ACTION,
5603         SWM_S_BAR_AT_BOTTOM,
5604         SWM_S_BAR_BORDER_WIDTH,
5605         SWM_S_BAR_DELAY,
5606         SWM_S_BAR_ENABLED,
5607         SWM_S_BAR_FONT,
5608         SWM_S_BAR_FORMAT,
5609         SWM_S_BAR_JUSTIFY,
5610         SWM_S_BORDER_WIDTH,
5611         SWM_S_CLOCK_ENABLED,
5612         SWM_S_CLOCK_FORMAT,
5613         SWM_S_CYCLE_EMPTY,
5614         SWM_S_CYCLE_VISIBLE,
5615         SWM_S_DIALOG_RATIO,
5616         SWM_S_DISABLE_BORDER,
5617         SWM_S_FOCUS_CLOSE,
5618         SWM_S_FOCUS_CLOSE_WRAP,
5619         SWM_S_FOCUS_DEFAULT,
5620         SWM_S_FOCUS_MODE,
5621         SWM_S_SPAWN_ORDER,
5622         SWM_S_SPAWN_TERM,
5623         SWM_S_SS_APP,
5624         SWM_S_SS_ENABLED,
5625         SWM_S_STACK_ENABLED,
5626         SWM_S_TERM_WIDTH,
5627         SWM_S_TITLE_CLASS_ENABLED,
5628         SWM_S_TITLE_NAME_ENABLED,
5629         SWM_S_URGENT_ENABLED,
5630         SWM_S_VERBOSE_LAYOUT,
5631         SWM_S_WINDOW_NAME_ENABLED,
5632         SWM_S_WORKSPACE_LIMIT
5633 };
5634
5635 int
5636 setconfvalue(char *selector, char *value, int flags)
5637 {
5638         int     i;
5639         char    *b;
5640
5641         switch (flags) {
5642         case SWM_S_BAR_ACTION:
5643                 free(bar_argv[0]);
5644                 if ((bar_argv[0] = strdup(value)) == NULL)
5645                         err(1, "setconfvalue: bar_action");
5646                 break;
5647         case SWM_S_BAR_AT_BOTTOM:
5648                 bar_at_bottom = atoi(value);
5649                 break;
5650         case SWM_S_BAR_BORDER_WIDTH:
5651                 bar_border_width = atoi(value);
5652                 if (bar_border_width < 0)
5653                         bar_border_width = 0;
5654                 break;
5655         case SWM_S_BAR_DELAY:
5656                 bar_delay = atoi(value);
5657                 break;
5658         case SWM_S_BAR_ENABLED:
5659                 bar_enabled = atoi(value);
5660                 break;
5661         case SWM_S_BAR_FONT:
5662                 b = bar_fonts;
5663                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5664                         err(1, "setconfvalue: asprintf: failed to allocate "
5665                                 "memory for bar_fonts.");
5666
5667                 free(b);
5668                 break;
5669         case SWM_S_BAR_FORMAT:
5670                 free(bar_format);
5671                 if ((bar_format = strdup(value)) == NULL)
5672                         err(1, "setconfvalue: bar_format");
5673                 break;
5674         case SWM_S_BAR_JUSTIFY:
5675                 if (!strcmp(value, "left"))
5676                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5677                 else if (!strcmp(value, "center"))
5678                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5679                 else if (!strcmp(value, "right"))
5680                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5681                 else
5682                         errx(1, "invalid bar_justify");
5683                 break;
5684         case SWM_S_BORDER_WIDTH:
5685                 border_width = atoi(value);
5686                 if (border_width < 0)
5687                         border_width = 0;
5688                 break;
5689         case SWM_S_CLOCK_ENABLED:
5690                 clock_enabled = atoi(value);
5691                 break;
5692         case SWM_S_CLOCK_FORMAT:
5693 #ifndef SWM_DENY_CLOCK_FORMAT
5694                 free(clock_format);
5695                 if ((clock_format = strdup(value)) == NULL)
5696                         err(1, "setconfvalue: clock_format");
5697 #endif
5698                 break;
5699         case SWM_S_CYCLE_EMPTY:
5700                 cycle_empty = atoi(value);
5701                 break;
5702         case SWM_S_CYCLE_VISIBLE:
5703                 cycle_visible = atoi(value);
5704                 break;
5705         case SWM_S_DIALOG_RATIO:
5706                 dialog_ratio = atof(value);
5707                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5708                         dialog_ratio = .6;
5709                 break;
5710         case SWM_S_DISABLE_BORDER:
5711                 disable_border = atoi(value);
5712                 break;
5713         case SWM_S_FOCUS_CLOSE:
5714                 if (!strcmp(value, "first"))
5715                         focus_close = SWM_STACK_BOTTOM;
5716                 else if (!strcmp(value, "last"))
5717                         focus_close = SWM_STACK_TOP;
5718                 else if (!strcmp(value, "next"))
5719                         focus_close = SWM_STACK_ABOVE;
5720                 else if (!strcmp(value, "previous"))
5721                         focus_close = SWM_STACK_BELOW;
5722                 else
5723                         errx(1, "focus_close");
5724                 break;
5725         case SWM_S_FOCUS_CLOSE_WRAP:
5726                 focus_close_wrap = atoi(value);
5727                 break;
5728         case SWM_S_FOCUS_DEFAULT:
5729                 if (!strcmp(value, "last"))
5730                         focus_default = SWM_STACK_TOP;
5731                 else if (!strcmp(value, "first"))
5732                         focus_default = SWM_STACK_BOTTOM;
5733                 else
5734                         errx(1, "focus_default");
5735                 break;
5736         case SWM_S_FOCUS_MODE:
5737                 if (!strcmp(value, "default"))
5738                         focus_mode = SWM_FOCUS_DEFAULT;
5739                 else if (!strcmp(value, "follow_cursor"))
5740                         focus_mode = SWM_FOCUS_FOLLOW;
5741                 else if (!strcmp(value, "synergy"))
5742                         focus_mode = SWM_FOCUS_SYNERGY;
5743                 else
5744                         errx(1, "focus_mode");
5745                 break;
5746         case SWM_S_SPAWN_ORDER:
5747                 if (!strcmp(value, "first"))
5748                         spawn_position = SWM_STACK_BOTTOM;
5749                 else if (!strcmp(value, "last"))
5750                         spawn_position = SWM_STACK_TOP;
5751                 else if (!strcmp(value, "next"))
5752                         spawn_position = SWM_STACK_ABOVE;
5753                 else if (!strcmp(value, "previous"))
5754                         spawn_position = SWM_STACK_BELOW;
5755                 else
5756                         errx(1, "spawn_position");
5757                 break;
5758         case SWM_S_SPAWN_TERM:
5759                 setconfspawn("term", value, 0);
5760                 setconfspawn("spawn_term", value, 0);
5761                 break;
5762         case SWM_S_SS_APP:
5763                 break;
5764         case SWM_S_SS_ENABLED:
5765                 ss_enabled = atoi(value);
5766                 break;
5767         case SWM_S_STACK_ENABLED:
5768                 stack_enabled = atoi(value);
5769                 break;
5770         case SWM_S_TERM_WIDTH:
5771                 term_width = atoi(value);
5772                 if (term_width < 0)
5773                         term_width = 0;
5774                 break;
5775         case SWM_S_TITLE_CLASS_ENABLED:
5776                 title_class_enabled = atoi(value);
5777                 break;
5778         case SWM_S_TITLE_NAME_ENABLED:
5779                 title_name_enabled = atoi(value);
5780                 break;
5781         case SWM_S_URGENT_ENABLED:
5782                 urgent_enabled = atoi(value);
5783                 break;
5784         case SWM_S_VERBOSE_LAYOUT:
5785                 verbose_layout = atoi(value);
5786                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5787                         if (verbose_layout)
5788                                 layouts[i].l_string = fancy_stacker;
5789                         else
5790                                 layouts[i].l_string = plain_stacker;
5791                 }
5792                 break;
5793         case SWM_S_WINDOW_NAME_ENABLED:
5794                 window_name_enabled = atoi(value);
5795                 break;
5796         case SWM_S_WORKSPACE_LIMIT:
5797                 workspace_limit = atoi(value);
5798                 if (workspace_limit > SWM_WS_MAX)
5799                         workspace_limit = SWM_WS_MAX;
5800                 else if (workspace_limit < 1)
5801                         workspace_limit = 1;
5802                 break;
5803         default:
5804                 return (1);
5805         }
5806         return (0);
5807 }
5808
5809 int
5810 setconfmodkey(char *selector, char *value, int flags)
5811 {
5812         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5813                 update_modkey(Mod1Mask);
5814         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5815                 update_modkey(Mod2Mask);
5816         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5817                 update_modkey(Mod3Mask);
5818         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5819                 update_modkey(Mod4Mask);
5820         else
5821                 return (1);
5822         return (0);
5823 }
5824
5825 int
5826 setconfcolor(char *selector, char *value, int flags)
5827 {
5828         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5829         return (0);
5830 }
5831
5832 int
5833 setconfregion(char *selector, char *value, int flags)
5834 {
5835         custom_region(value);
5836         return (0);
5837 }
5838
5839 int
5840 setautorun(char *selector, char *value, int flags)
5841 {
5842         int                     ws_id;
5843         char                    s[1024];
5844         char                    *ap, *sp = s;
5845         union arg               a;
5846         int                     argc = 0;
5847         long                    pid;
5848         struct pid_e            *p;
5849
5850         if (getenv("SWM_STARTED"))
5851                 return (0);
5852
5853         bzero(s, sizeof s);
5854         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5855                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5856         ws_id--;
5857         if (ws_id < 0 || ws_id >= workspace_limit)
5858                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5859
5860         /*
5861          * This is a little intricate
5862          *
5863          * If the pid already exists we simply reuse it because it means it was
5864          * used before AND not claimed by manage_window.  We get away with
5865          * altering it in the parent after INSERT because this can not be a race
5866          */
5867         a.argv = NULL;
5868         while ((ap = strsep(&sp, " \t")) != NULL) {
5869                 if (*ap == '\0')
5870                         continue;
5871                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5872                 argc++;
5873                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5874                         err(1, "setautorun: realloc");
5875                 a.argv[argc - 1] = ap;
5876         }
5877
5878         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5879                 err(1, "setautorun: realloc");
5880         a.argv[argc] = NULL;
5881
5882         if ((pid = fork()) == 0) {
5883                 spawn(ws_id, &a, 1);
5884                 /* NOTREACHED */
5885                 _exit(1);
5886         }
5887         free(a.argv);
5888
5889         /* parent */
5890         p = find_pid(pid);
5891         if (p == NULL) {
5892                 p = calloc(1, sizeof *p);
5893                 if (p == NULL)
5894                         return (1);
5895                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5896         }
5897
5898         p->pid = pid;
5899         p->ws = ws_id;
5900
5901         return (0);
5902 }
5903
5904 int
5905 setlayout(char *selector, char *value, int flags)
5906 {
5907         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5908         int                     st = SWM_V_STACK, num_screens;
5909         char                    s[1024];
5910         struct workspace        *ws;
5911
5912         if (getenv("SWM_STARTED"))
5913                 return (0);
5914
5915         bzero(s, sizeof s);
5916         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5917             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5918                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5919                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5920                     "<type>'");
5921         ws_id--;
5922         if (ws_id < 0 || ws_id >= workspace_limit)
5923                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5924
5925         if (!strcasecmp(s, "vertical"))
5926                 st = SWM_V_STACK;
5927         else if (!strcasecmp(s, "vertical_flip")) {
5928                 st = SWM_V_STACK;
5929                 f = 1;
5930         } else if (!strcasecmp(s, "horizontal"))
5931                 st = SWM_H_STACK;
5932         else if (!strcasecmp(s, "horizontal_flip")) {
5933                 st = SWM_H_STACK;
5934                 f = 1;
5935         } else if (!strcasecmp(s, "fullscreen"))
5936                 st = SWM_MAX_STACK;
5937         else
5938                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5939                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5940                     "<type>'");
5941
5942         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5943         for (i = 0; i < num_screens; i++) {
5944                 ws = (struct workspace *)&screens[i].ws;
5945                 ws[ws_id].cur_layout = &layouts[st];
5946
5947                 ws[ws_id].always_raise = raise;
5948                 if (st == SWM_MAX_STACK)
5949                         continue;
5950
5951                 /* master grow */
5952                 for (x = 0; x < abs(mg); x++) {
5953                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5954                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5955                             SWM_ARG_ID_MASTERSHRINK);
5956                         stack();
5957                 }
5958                 /* master add */
5959                 for (x = 0; x < abs(ma); x++) {
5960                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5961                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5962                             SWM_ARG_ID_MASTERDEL);
5963                         stack();
5964                 }
5965                 /* stack inc */
5966                 for (x = 0; x < abs(si); x++) {
5967                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5968                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5969                             SWM_ARG_ID_STACKDEC);
5970                         stack();
5971                 }
5972                 /* Apply flip */
5973                 if (f) {
5974                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5975                             SWM_ARG_ID_FLIPLAYOUT);
5976                         stack();
5977                 }
5978         }
5979
5980         return (0);
5981 }
5982
5983 /* config options */
5984 struct config_option {
5985         char                    *optname;
5986         int                     (*func)(char*, char*, int);
5987         int                     funcflags;
5988 };
5989 struct config_option configopt[] = {
5990         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5991         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5992         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5993         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5994         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5995         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5996         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5997         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5998         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5999         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6000         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6001         { "keyboard_mapping",           setkeymapping,  0 },
6002         { "bind",                       setconfbinding, 0 },
6003         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6004         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6005         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6006         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6007         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6008         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6009         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6010         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6011         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6012         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6013         { "modkey",                     setconfmodkey,  0 },
6014         { "program",                    setconfspawn,   0 },
6015         { "quirk",                      setconfquirk,   0 },
6016         { "region",                     setconfregion,  0 },
6017         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6018         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6019         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6020         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6021         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6022         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6023         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6024         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6025         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6026         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6027         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6028         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6029         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6030         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6031         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6032         { "autorun",                    setautorun,     0 },
6033         { "layout",                     setlayout,      0 },
6034 };
6035
6036
6037 int
6038 conf_load(char *filename, int keymapping)
6039 {
6040         FILE                    *config;
6041         char                    *line, *cp, *optsub, *optval;
6042         size_t                  linelen, lineno = 0;
6043         int                     wordlen, i, optind;
6044         struct config_option    *opt;
6045
6046         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6047
6048         if (filename == NULL) {
6049                 warnx("conf_load: no filename");
6050                 return (1);
6051         }
6052         if ((config = fopen(filename, "r")) == NULL) {
6053                 warn("conf_load: fopen: %s", filename);
6054                 return (1);
6055         }
6056
6057         while (!feof(config)) {
6058                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6059                     == NULL) {
6060                         if (ferror(config))
6061                                 err(1, "%s", filename);
6062                         else
6063                                 continue;
6064                 }
6065                 cp = line;
6066                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6067                 if (cp[0] == '\0') {
6068                         /* empty line */
6069                         free(line);
6070                         continue;
6071                 }
6072                 /* get config option */
6073                 wordlen = strcspn(cp, "=[ \t\n");
6074                 if (wordlen == 0) {
6075                         warnx("%s: line %zd: no option found",
6076                             filename, lineno);
6077                         goto out;
6078                 }
6079                 optind = -1;
6080                 for (i = 0; i < LENGTH(configopt); i++) {
6081                         opt = &configopt[i];
6082                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6083                             strlen(opt->optname) == wordlen) {
6084                                 optind = i;
6085                                 break;
6086                         }
6087                 }
6088                 if (optind == -1) {
6089                         warnx("%s: line %zd: unknown option %.*s",
6090                             filename, lineno, wordlen, cp);
6091                         goto out;
6092                 }
6093                 if (keymapping && strcmp(opt->optname, "bind")) {
6094                         warnx("%s: line %zd: invalid option %.*s",
6095                             filename, lineno, wordlen, cp);
6096                         goto out;
6097                 }
6098                 cp += wordlen;
6099                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6100                 /* get [selector] if any */
6101                 optsub = NULL;
6102                 if (*cp == '[') {
6103                         cp++;
6104                         wordlen = strcspn(cp, "]");
6105                         if (*cp != ']') {
6106                                 if (wordlen == 0) {
6107                                         warnx("%s: line %zd: syntax error",
6108                                             filename, lineno);
6109                                         goto out;
6110                                 }
6111
6112                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6113                                     -1) {
6114                                         warnx("%s: line %zd: unable to allocate"
6115                                             "memory for selector", filename,
6116                                             lineno);
6117                                         goto out;
6118                                 }
6119                         }
6120                         cp += wordlen;
6121                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6122                 }
6123                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6124                 /* get RHS value */
6125                 optval = strdup(cp);
6126                 /* call function to deal with it all */
6127                 if (configopt[optind].func(optsub, optval,
6128                     configopt[optind].funcflags) != 0)
6129                         errx(1, "%s: line %zd: invalid data for %s",
6130                             filename, lineno, configopt[optind].optname);
6131                 free(optval);
6132                 free(optsub);
6133                 free(line);
6134         }
6135
6136         fclose(config);
6137         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6138
6139         return (0);
6140
6141 out:
6142         free(line);
6143         fclose(config);
6144         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6145
6146         return (1);
6147 }
6148
6149 void
6150 set_child_transient(struct ws_win *win, Window *trans)
6151 {
6152         struct ws_win           *parent, *w;
6153         XWMHints                *wmh = NULL;
6154         struct swm_region       *r;
6155         struct workspace        *ws;
6156
6157         parent = find_window(win->transient);
6158         if (parent)
6159                 parent->child_trans = win;
6160         else {
6161                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6162                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
6163
6164                 if (win->hints == NULL) {
6165                         warnx("no hints for 0x%x", win->id);
6166                         return;
6167                 }
6168
6169                 r = root_to_region(win->wa.root);
6170                 ws = r->ws;
6171                 /* parent doen't exist in our window list */
6172                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6173                         if (wmh)
6174                                 XFree(wmh);
6175
6176                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
6177                                 warnx("can't get hints for 0x%x", w->id);
6178                                 continue;
6179                         }
6180
6181                         if (win->hints->window_group != wmh->window_group)
6182                                 continue;
6183
6184                         w->child_trans = win;
6185                         win->transient = w->id;
6186                         *trans = w->id;
6187                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
6188                             "transient to 0x%x\n", win->transient);
6189                         break;
6190                 }
6191         }
6192
6193         if (wmh)
6194                 XFree(wmh);
6195 }
6196
6197 long
6198 window_get_pid(Window win)
6199 {
6200         long                            ret = 0;
6201         const char                      *errstr;
6202         xcb_atom_t                      apid;
6203         xcb_intern_atom_cookie_t        c;
6204         xcb_intern_atom_reply_t         *r;
6205         xcb_get_property_cookie_t       pc;
6206         xcb_get_property_reply_t        *pr;
6207
6208         c = xcb_intern_atom(conn, False, strlen("_NET_WM_PID"), "_NET_WM_PID");
6209         r = xcb_intern_atom_reply(conn, c, NULL);
6210         if (r) {
6211                 apid = r->atom;
6212                 free(r);
6213         } else
6214                 goto tryharder;
6215
6216         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6217         pr = xcb_get_property_reply(conn, pc, NULL);
6218         if (!pr)
6219                 goto tryharder;
6220         if (pr->type != XCB_ATOM_CARDINAL)
6221                 goto tryharder;
6222
6223         ret = *(long *)xcb_get_property_value(pr);
6224         free(pr);
6225
6226         return (ret);
6227
6228 tryharder:
6229         c = xcb_intern_atom(conn, False, strlen("_SWM_PID"), "_SWM_PID");
6230         r = xcb_intern_atom_reply(conn, c, NULL);
6231         if (r) {
6232                 apid = r->atom;
6233                 free(r);
6234         }
6235         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6236                 0, SWM_PROPLEN);
6237         pr = xcb_get_property_reply(conn, pc, NULL);
6238         if (!pr)
6239                 return (0);
6240         if (pr->type != XCB_ATOM_STRING)
6241                 free(pr);
6242                 return (0);
6243         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6244         free(pr);
6245
6246         return (ret);
6247 }
6248
6249 struct ws_win *
6250 manage_window(Window id)
6251 {
6252         Window                  trans = 0;
6253         struct workspace        *ws;
6254         struct ws_win           *win, *ww;
6255         int                     format, i, ws_idx, n, border_me = 0;
6256         unsigned long           nitems, bytes;
6257         Atom                    ws_idx_atom = 0, type;
6258         Atom                    *prot = NULL, *pp;
6259         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6260         struct swm_region       *r;
6261         const char              *errstr;
6262         struct pid_e            *p;
6263         struct quirk            *qp;
6264
6265         if ((win = find_window(id)) != NULL)
6266                 return (win);   /* already being managed */
6267
6268         /* see if we are on the unmanaged list */
6269         if ((win = find_unmanaged_window(id)) != NULL) {
6270                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6271                     "window: 0x%lx\n", win->id);
6272                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6273                 if (win->transient)
6274                         set_child_transient(win, &trans);
6275
6276                 if (trans && (ww = find_window(trans)))
6277                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6278                 else if ((ww = win->ws->focus) &&
6279                     spawn_position == SWM_STACK_ABOVE)
6280                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6281                             win, entry);
6282                 else if (ww && spawn_position == SWM_STACK_BELOW)
6283                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6284                 else switch (spawn_position) {
6285                 default:
6286                 case SWM_STACK_TOP:
6287                 case SWM_STACK_ABOVE:
6288                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6289                         break;
6290                 case SWM_STACK_BOTTOM:
6291                 case SWM_STACK_BELOW:
6292                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6293                 }
6294
6295                 ewmh_update_actions(win);
6296                 return (win);
6297         }
6298
6299         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6300                 err(1, "manage_window: calloc: failed to allocate memory for "
6301                     "new window");
6302
6303         win->id = id;
6304         win->bordered = 0;
6305
6306         /* see if we need to override the workspace */
6307         p = find_pid(window_get_pid(id));
6308
6309         /* Get all the window data in one shot */
6310         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6311         if (ws_idx_atom) {
6312                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6313                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6314         }
6315         XGetWindowAttributes(display, id, &win->wa);
6316         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6317         win->hints = XGetWMHints(display, id);
6318         XGetTransientForHint(display, id, &trans);
6319         if (trans) {
6320                 win->transient = trans;
6321                 set_child_transient(win, &trans);
6322                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
6323                     "transient: 0x%lx\n", win->id, win->transient);
6324         }
6325
6326         /* get supported protocols */
6327         if (XGetWMProtocols(display, id, &prot, &n)) {
6328                 for (i = 0, pp = prot; i < n; i++, pp++) {
6329                         if (*pp == takefocus)
6330                                 win->take_focus = 1;
6331                         if (*pp == adelete)
6332                                 win->can_delete = 1;
6333                 }
6334                 if (prot)
6335                         XFree(prot);
6336         }
6337
6338         win->iconic = get_iconic(win);
6339
6340         /*
6341          * Figure out where to put the window. If it was previously assigned to
6342          * a workspace (either by spawn() or manually moving), and isn't
6343          * transient, * put it in the same workspace
6344          */
6345         r = root_to_region(win->wa.root);
6346         if (p) {
6347                 ws = &r->s->ws[p->ws];
6348                 TAILQ_REMOVE(&pidlist, p, entry);
6349                 free(p);
6350                 p = NULL;
6351         } else if (prop && win->transient == 0) {
6352                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6353                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6354                     &errstr);
6355                 if (errstr) {
6356                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6357                             errstr, prop);
6358                 }
6359                 ws = &r->s->ws[ws_idx];
6360         } else {
6361                 ws = r->ws;
6362                 /* this should launch transients in the same ws as parent */
6363                 if (id && trans)
6364                         if ((ww = find_window(trans)) != NULL)
6365                                 if (ws->r) {
6366                                         ws = ww->ws;
6367                                         if (ww->ws->r)
6368                                                 r = ww->ws->r;
6369                                         else
6370                                                 warnx("manage_window: fix this "
6371                                                     "bug mcbride");
6372                                         border_me = 1;
6373                                 }
6374         }
6375
6376         /* set up the window layout */
6377         win->id = id;
6378         win->ws = ws;
6379         win->s = r->s;  /* this never changes */
6380         if (trans && (ww = find_window(trans)))
6381                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6382         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6383                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6384                     entry);
6385         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6386                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6387         else switch (spawn_position) {
6388         default:
6389         case SWM_STACK_TOP:
6390         case SWM_STACK_ABOVE:
6391                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6392                 break;
6393         case SWM_STACK_BOTTOM:
6394         case SWM_STACK_BELOW:
6395                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6396         }
6397
6398         /* ignore window border if there is one. */
6399         WIDTH(win) = win->wa.width;
6400         HEIGHT(win) = win->wa.height;
6401         X(win) = win->wa.x + win->wa.border_width;
6402         Y(win) = win->wa.y + win->wa.border_width;
6403         win->bordered = 0;
6404         win->g_floatvalid = 0;
6405         win->floatmaxed = 0;
6406         win->ewmh_flags = 0;
6407
6408         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, (x,y) w x h: "
6409             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6410             HEIGHT(win), ws->idx);
6411
6412         constrain_window(win, r, 0);
6413
6414         /* Set window properties so we can remember this after reincarnation */
6415         if (ws_idx_atom && prop == NULL &&
6416             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6417                 SWM_PROPLEN) {
6418                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6419                     ws_idx_str);
6420                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6421                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6422         }
6423         if (prop)
6424                 XFree(prop);
6425
6426         ewmh_autoquirk(win);
6427
6428         if (XGetClassHint(display, win->id, &win->ch)) {
6429                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6430                     win->ch.res_class, win->ch.res_name);
6431
6432                 /* java is retarded so treat it special */
6433                 if (strstr(win->ch.res_name, "sun-awt")) {
6434                         win->java = 1;
6435                         border_me = 1;
6436                 }
6437
6438                 TAILQ_FOREACH(qp, &quirks, entry) {
6439                         if (!strcmp(win->ch.res_class, qp->class) &&
6440                             !strcmp(win->ch.res_name, qp->name)) {
6441                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6442                                     "class: %s, name: %s\n", win->ch.res_class,
6443                                     win->ch.res_name);
6444                                 if (qp->quirk & SWM_Q_FLOAT) {
6445                                         win->floating = 1;
6446                                         border_me = 1;
6447                                 }
6448                                 win->quirks = qp->quirk;
6449                         }
6450                 }
6451         }
6452
6453         /* alter window position if quirky */
6454         if (win->quirks & SWM_Q_ANYWHERE) {
6455                 win->manual = 1; /* don't center the quirky windows */
6456                 if (bar_enabled && Y(win) < bar_height)
6457                         Y(win) = bar_height;
6458                 if (WIDTH(win) + X(win) > WIDTH(r))
6459                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6460                 border_me = 1;
6461         }
6462
6463         /* Reset font sizes (the bruteforce way; no default keybinding). */
6464         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6465                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6466                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6467                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6468                         fake_keypress(win, XK_KP_Add, ShiftMask);
6469         }
6470
6471         ewmh_get_win_state(win);
6472         ewmh_update_actions(win);
6473         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6474
6475         /* border me */
6476         if (border_me) {
6477                 win->bordered = 1;
6478                 X(win) -= border_width;
6479                 Y(win) -= border_width;
6480                 update_window(win);
6481         }
6482
6483         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
6484             PropertyChangeMask | StructureNotifyMask);
6485
6486         /* floaters need to be mapped if they are in the current workspace */
6487         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6488                 XMapRaised(display, win->id);
6489
6490         return (win);
6491 }
6492
6493 void
6494 free_window(struct ws_win *win)
6495 {
6496         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
6497
6498         if (win == NULL)
6499                 return;
6500
6501         /* needed for restart wm */
6502         set_win_state(win, WithdrawnState);
6503
6504         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6505
6506         if (win->ch.res_class)
6507                 XFree(win->ch.res_class);
6508         if (win->ch.res_name)
6509                 XFree(win->ch.res_name);
6510
6511         kill_refs(win);
6512
6513         /* paint memory */
6514         memset(win, 0xff, sizeof *win); /* XXX kill later */
6515
6516         free(win);
6517 }
6518
6519 void
6520 unmanage_window(struct ws_win *win)
6521 {
6522         struct ws_win           *parent;
6523
6524         if (win == NULL)
6525                 return;
6526
6527         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
6528
6529         if (win->transient) {
6530                 parent = find_window(win->transient);
6531                 if (parent)
6532                         parent->child_trans = NULL;
6533         }
6534
6535         /* focus on root just in case */
6536         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
6537
6538         focus_prev(win);
6539
6540         if (win->hints) {
6541                 XFree(win->hints);
6542                 win->hints = NULL;
6543         }
6544
6545         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6546         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6547 }
6548
6549 void
6550 focus_magic(struct ws_win *win)
6551 {
6552         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6553
6554         if (win == NULL) {
6555                 /* if there are no windows clear the status-bar */
6556                 bar_update();
6557                 return;
6558         }
6559
6560         if (win->child_trans) {
6561                 /* win = parent & has a transient so focus on that */
6562                 if (win->java) {
6563                         focus_win(win->child_trans);
6564                         if (win->child_trans->take_focus)
6565                                 client_msg(win, takefocus);
6566                 } else {
6567                         /* make sure transient hasn't disappeared */
6568                         if (validate_win(win->child_trans) == 0) {
6569                                 focus_win(win->child_trans);
6570                                 if (win->child_trans->take_focus)
6571                                         client_msg(win->child_trans, takefocus);
6572                         } else {
6573                                 win->child_trans = NULL;
6574                                 focus_win(win);
6575                                 if (win->take_focus)
6576                                         client_msg(win, takefocus);
6577                         }
6578                 }
6579         } else {
6580                 /* regular focus */
6581                 focus_win(win);
6582                 if (win->take_focus)
6583                         client_msg(win, takefocus);
6584         }
6585 }
6586
6587 void
6588 expose(XEvent *e)
6589 {
6590         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6591 }
6592
6593 void
6594 keypress(XEvent *e)
6595 {
6596         KeySym                  keysym;
6597         XKeyEvent               *ev = &e->xkey;
6598         struct key              *kp;
6599         struct swm_region       *r;
6600
6601         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6602         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6603                 return;
6604         if (keyfuncs[kp->funcid].func == NULL)
6605                 return;
6606
6607         r = root_to_region(ev->root);
6608         if (kp->funcid == kf_spawn_custom)
6609                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6610         else
6611                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6612 }
6613
6614 void
6615 buttonpress(XEvent *e)
6616 {
6617         struct ws_win           *win;
6618         int                     i, action;
6619         XButtonPressedEvent     *ev = &e->xbutton;
6620
6621         if ((win = find_window(ev->window)) == NULL)
6622                 return;
6623
6624         focus_magic(win);
6625         action = client_click;
6626
6627         for (i = 0; i < LENGTH(buttons); i++)
6628                 if (action == buttons[i].action && buttons[i].func &&
6629                     buttons[i].button == ev->button &&
6630                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6631                         buttons[i].func(win, &buttons[i].args);
6632 }
6633
6634 void
6635 configurerequest(XEvent *e)
6636 {
6637         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6638         struct ws_win           *win;
6639         int                     new = 0;
6640         XWindowChanges          wc;
6641
6642         if ((win = find_window(ev->window)) == NULL)
6643                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6644                         new = 1;
6645
6646         if (new) {
6647                 bzero(&wc, sizeof wc);
6648                 wc.x = ev->x;
6649                 wc.y = ev->y;
6650                 wc.width = ev->width;
6651                 wc.height = ev->height;
6652                 wc.border_width = ev->border_width;
6653                 wc.sibling = ev->above;
6654                 wc.stack_mode = ev->detail;
6655
6656                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6657                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6658                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6659
6660                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6661         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6662             !(win->sh_mask & EWMH_F_FULLSCREEN)) {
6663                 win->g_float.x = ev->x - X(win->ws->r);
6664                 win->g_float.y = ev->y - Y(win->ws->r);
6665                 win->g_float.w = ev->width;
6666                 win->g_float.h = ev->height;
6667                 win->g_floatvalid = 1;
6668
6669                 if (win->floating) {
6670                         win->g = win->g_float;
6671                         win->g.x += X(win->ws->r);
6672                         win->g.y += Y(win->ws->r);
6673                         update_window(win);
6674                 } else {
6675                         config_win(win, ev);
6676                 }
6677         } else {
6678                 config_win(win, ev);
6679         }
6680 }
6681
6682 void
6683 configurenotify(XEvent *e)
6684 {
6685         struct ws_win           *win;
6686
6687         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6688             e->xconfigure.window);
6689
6690         win = find_window(e->xconfigure.window);
6691         if (win) {
6692                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6693                 adjust_font(win);
6694                 if (font_adjusted)
6695                         stack();
6696                 if (focus_mode == SWM_FOCUS_DEFAULT)
6697                         drain_enter_notify();
6698         }
6699 }
6700
6701 void
6702 destroynotify(XEvent *e)
6703 {
6704         struct ws_win           *win;
6705         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6706
6707         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6708
6709         if ((win = find_window(ev->window)) == NULL) {
6710                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6711                         return;
6712                 free_window(win);
6713                 return;
6714         }
6715
6716         /* make sure we focus on something */
6717         win->floating = 0;
6718
6719         unmanage_window(win);
6720         stack();
6721         if (focus_mode == SWM_FOCUS_DEFAULT)
6722                 drain_enter_notify();
6723         free_window(win);
6724 }
6725
6726 void
6727 enternotify(XEvent *e)
6728 {
6729         XCrossingEvent          *ev = &e->xcrossing;
6730         XEvent                  cne;
6731         struct ws_win           *win;
6732 #if 0
6733         struct ws_win           *w;
6734         Window                  focus_return;
6735         int                     revert_to_return;
6736 #endif
6737         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6738             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6739             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6740             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6741
6742         if (ev->mode != NotifyNormal) {
6743                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6744                     "cursor grab.\n");
6745                 return;
6746         }
6747
6748         switch (focus_mode) {
6749         case SWM_FOCUS_DEFAULT:
6750                 break;
6751         case SWM_FOCUS_FOLLOW:
6752                 break;
6753         case SWM_FOCUS_SYNERGY:
6754 #if 0
6755         /*
6756          * all these checks need to be in this order because the
6757          * XCheckTypedWindowEvent relies on weeding out the previous events
6758          *
6759          * making this code an option would enable a follow mouse for focus
6760          * feature
6761          */
6762
6763         /*
6764          * state is set when we are switching workspaces and focus is set when
6765          * the window or a subwindow already has focus (occurs during restart).
6766          *
6767          * Only honor the focus flag if last_focus_event is not FocusOut,
6768          * this allows spectrwm to continue to control focus when another
6769          * program is also playing with it.
6770          */
6771         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6772                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6773                 return;
6774         }
6775
6776         /*
6777          * happens when a window is created or destroyed and the border
6778          * crosses the mouse pointer and when switching ws
6779          *
6780          * we need the subwindow test to see if we came from root in order
6781          * to give focus to floaters
6782          */
6783         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6784             ev->subwindow == 0) {
6785                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6786                 return;
6787         }
6788
6789         /* this window already has focus */
6790         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6791                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6792                 return;
6793         }
6794
6795         /* this window is being deleted or moved to another ws */
6796         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6797             &cne) == True) {
6798                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6799                 XPutBackEvent(display, &cne);
6800                 return;
6801         }
6802
6803         if ((win = find_window(ev->window)) == NULL) {
6804                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6805                 return;
6806         }
6807
6808         /*
6809          * In fullstack kill all enters unless they come from a different ws
6810          * (i.e. another region) or focus has been grabbed externally.
6811          */
6812         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6813             last_focus_event != FocusOut) {
6814                 XGetInputFocus(display, &focus_return, &revert_to_return);
6815                 if ((w = find_window(focus_return)) == NULL ||
6816                     w->ws == win->ws) {
6817                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6818                         return;
6819                 }
6820         }
6821 #endif
6822                 break;
6823         }
6824
6825         if ((win = find_window(ev->window)) == NULL) {
6826                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6827                 return;
6828         }
6829
6830         /*
6831          * if we have more enternotifies let them handle it in due time
6832          */
6833         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6834                 DNPRINTF(SWM_D_EVENT,
6835                     "ignoring enternotify: got more enternotify\n");
6836                 XPutBackEvent(display, &cne);
6837                 return;
6838         }
6839
6840         focus_magic(win);
6841 }
6842
6843 /* lets us use one switch statement for arbitrary mode/detail combinations */
6844 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6845
6846 void
6847 focusevent(XEvent *e)
6848 {
6849 #if 0
6850         struct ws_win           *win;
6851         u_int32_t               mode_detail;
6852         XFocusChangeEvent       *ev = &e->xfocus;
6853
6854         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6855             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6856             ev->window, ev->mode, ev->detail);
6857
6858         if (last_focus_event == ev->type) {
6859                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6860                 return;
6861         }
6862
6863         last_focus_event = ev->type;
6864         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6865
6866         switch (mode_detail) {
6867         /* synergy client focus operations */
6868         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6869         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6870
6871         /* synergy server focus operations */
6872         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6873
6874         /* Entering applications like rdesktop that mangle the pointer */
6875         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6876
6877                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6878                         XSetWindowBorder(display, win->id,
6879                             win->ws->r->s->c[ev->type == FocusIn ?
6880                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6881                 break;
6882         default:
6883                 warnx("ignoring focusevent");
6884                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6885                 break;
6886         }
6887 #endif
6888 }
6889
6890 void
6891 mapnotify(XEvent *e)
6892 {
6893         struct ws_win           *win;
6894         XMapEvent               *ev = &e->xmap;
6895
6896         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6897
6898         win = manage_window(ev->window);
6899         if (win)
6900                 set_win_state(win, NormalState);
6901
6902         /*
6903          * focus_win can only set input focus on a mapped window.
6904          * make sure the window really has focus since it is just being mapped.
6905          */
6906         if (win->ws->focus == win)
6907                 focus_win(win);
6908 }
6909
6910 void
6911 mappingnotify(XEvent *e)
6912 {
6913         XMappingEvent           *ev = &e->xmapping;
6914
6915         XRefreshKeyboardMapping(ev);
6916         if (ev->request == MappingKeyboard)
6917                 grabkeys();
6918 }
6919
6920 void
6921 maprequest(XEvent *e)
6922 {
6923         struct ws_win           *win;
6924         struct swm_region       *r;
6925         XWindowAttributes       wa;
6926         XMapRequestEvent        *ev = &e->xmaprequest;
6927
6928         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6929             e->xmaprequest.window);
6930
6931         if (!XGetWindowAttributes(display, ev->window, &wa))
6932                 return;
6933         if (wa.override_redirect)
6934                 return;
6935
6936         win = manage_window(e->xmaprequest.window);
6937         if (win == NULL)
6938                 return; /* can't happen */
6939
6940         stack();
6941
6942         /* make new win focused */
6943         r = root_to_region(win->wa.root);
6944         if (win->ws == r->ws)
6945                 focus_magic(win);
6946 }
6947
6948 void
6949 propertynotify(XEvent *e)
6950 {
6951         struct ws_win           *win;
6952         XPropertyEvent          *ev = &e->xproperty;
6953 #ifdef SWM_DEBUG
6954         char                    *name;
6955         name = XGetAtomName(display, ev->atom);
6956         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6957             ev->window, name);
6958         XFree(name);
6959 #endif
6960
6961         win = find_window(ev->window);
6962         if (win == NULL)
6963                 return;
6964
6965         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6966                 update_iconic(win, 0);
6967                 XMapRaised(display, win->id);
6968                 stack();
6969                 focus_win(win);
6970                 return;
6971         }
6972
6973         switch (ev->atom) {
6974 #if 0
6975         case XA_WM_NORMAL_HINTS:
6976                 long            mask;
6977                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6978                 warnx("normal hints: flag 0x%x", win->sh.flags);
6979                 if (win->sh.flags & PMinSize) {
6980                         WIDTH(win) = win->sh.min_width;
6981                         HEIGHT(win) = win->sh.min_height;
6982                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
6983                 }
6984                 XMoveResizeWindow(display, win->id,
6985                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6986 #endif
6987         case XA_WM_CLASS:
6988         case XA_WM_NAME:
6989                 bar_update();
6990                 break;
6991         default:
6992                 break;
6993         }
6994 }
6995
6996 void
6997 unmapnotify(XEvent *e)
6998 {
6999         struct ws_win           *win;
7000
7001         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7002
7003         /* determine if we need to help unmanage this window */
7004         win = find_window(e->xunmap.window);
7005         if (win == NULL)
7006                 return;
7007
7008         if (getstate(e->xunmap.window) == NormalState) {
7009                 unmanage_window(win);
7010                 stack();
7011
7012                 /* giant hack for apps that don't destroy transient windows */
7013                 /* eat a bunch of events to prevent remanaging the window */
7014                 XEvent                  cne;
7015                 while (XCheckWindowEvent(display, e->xunmap.window,
7016                     EnterWindowMask, &cne))
7017                         ;
7018                 while (XCheckWindowEvent(display, e->xunmap.window,
7019                     StructureNotifyMask, &cne))
7020                         ;
7021                 while (XCheckWindowEvent(display, e->xunmap.window,
7022                     SubstructureNotifyMask, &cne))
7023                         ;
7024                 /* resend unmap because we ated it */
7025                 XUnmapWindow(display, e->xunmap.window);
7026         }
7027
7028         if (focus_mode == SWM_FOCUS_DEFAULT)
7029                 drain_enter_notify();
7030 }
7031
7032 void
7033 visibilitynotify(XEvent *e)
7034 {
7035         int                     i, num_screens;
7036         struct swm_region       *r;
7037
7038         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7039             e->xvisibility.window);
7040
7041         if (e->xvisibility.state == VisibilityUnobscured) {
7042                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7043                 for (i = 0; i < num_screens; i++)
7044                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7045                                 if (e->xvisibility.window == WINID(r->bar))
7046                                         bar_update();
7047         }
7048 }
7049
7050 void
7051 clientmessage(XEvent *e)
7052 {
7053         XClientMessageEvent     *ev;
7054         struct ws_win           *win;
7055
7056         ev = &e->xclient;
7057
7058         win = find_window(ev->window);
7059         if (win == NULL) {
7060                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7061                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7062                             "unmanaged window.\n");
7063                         e->xmaprequest.window = ev->window;
7064                         maprequest(e);
7065                 }
7066                 return;
7067         }
7068
7069         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7070             ev->window, ev->message_type);
7071
7072         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7073                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7074                 focus_win(win);
7075         }
7076         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7077                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7078                 if (win->can_delete)
7079                         client_msg(win, adelete);
7080                 else
7081                         XKillClient(display, win->id);
7082         }
7083         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7084                 DNPRINTF(SWM_D_EVENT,
7085                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7086                 if (win->floating) {
7087                         if (ev->data.l[0] & (1<<8)) /* x */
7088                                 X(win) = ev->data.l[1];
7089                         if (ev->data.l[0] & (1<<9)) /* y */
7090                                 Y(win) = ev->data.l[2];
7091                         if (ev->data.l[0] & (1<<10)) /* width */
7092                                 WIDTH(win) = ev->data.l[3];
7093                         if (ev->data.l[0] & (1<<11)) /* height */
7094                                 HEIGHT(win) = ev->data.l[4];
7095
7096                         update_window(win);
7097                 }
7098                 else {
7099                         /* TODO: Change stack sizes */
7100                         /* notify no change was made. */
7101                         config_win(win, NULL);
7102                 }
7103         }
7104         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7105                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7106                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7107                 if (ev->data.l[2])
7108                         ewmh_update_win_state(win, ev->data.l[2],
7109                             ev->data.l[0]);
7110
7111                 stack();
7112         }
7113 }
7114
7115 int
7116 xerror_start(Display *d, XErrorEvent *ee)
7117 {
7118         other_wm = 1;
7119         return (-1);
7120 }
7121
7122 int
7123 xerror(Display *d, XErrorEvent *ee)
7124 {
7125         /* warnx("error: %p %p", display, ee); */
7126         return (-1);
7127 }
7128
7129 int
7130 active_wm(void)
7131 {
7132         other_wm = 0;
7133         xerrorxlib = XSetErrorHandler(xerror_start);
7134
7135         /* this causes an error if some other window manager is running */
7136         XSelectInput(display, DefaultRootWindow(display),
7137             SubstructureRedirectMask);
7138         XSync(display, False);
7139         if (other_wm)
7140                 return (1);
7141
7142         XSetErrorHandler(xerror);
7143         XSync(display, False);
7144         return (0);
7145 }
7146
7147 void
7148 new_region(struct swm_screen *s, int x, int y, int w, int h)
7149 {
7150         struct swm_region       *r, *n;
7151         struct workspace        *ws = NULL;
7152         int                     i;
7153
7154         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7155              s->idx, w, h, x, y);
7156
7157         /* remove any conflicting regions */
7158         n = TAILQ_FIRST(&s->rl);
7159         while (n) {
7160                 r = n;
7161                 n = TAILQ_NEXT(r, entry);
7162                 if (X(r) < (x + w) &&
7163                     (X(r) + WIDTH(r)) > x &&
7164                     Y(r) < (y + h) &&
7165                     (Y(r) + HEIGHT(r)) > y) {
7166                         if (r->ws->r != NULL)
7167                                 r->ws->old_r = r->ws->r;
7168                         r->ws->r = NULL;
7169                         bar_cleanup(r);
7170                         TAILQ_REMOVE(&s->rl, r, entry);
7171                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7172                 }
7173         }
7174
7175         /* search old regions for one to reuse */
7176
7177         /* size + location match */
7178         TAILQ_FOREACH(r, &s->orl, entry)
7179                 if (X(r) == x && Y(r) == y &&
7180                     HEIGHT(r) == h && WIDTH(r) == w)
7181                         break;
7182
7183         /* size match */
7184         TAILQ_FOREACH(r, &s->orl, entry)
7185                 if (HEIGHT(r) == h && WIDTH(r) == w)
7186                         break;
7187
7188         if (r != NULL) {
7189                 TAILQ_REMOVE(&s->orl, r, entry);
7190                 /* try to use old region's workspace */
7191                 if (r->ws->r == NULL)
7192                         ws = r->ws;
7193         } else
7194                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7195                         err(1, "new_region: calloc: failed to allocate memory "
7196                             "for screen");
7197
7198         /* if we don't have a workspace already, find one */
7199         if (ws == NULL) {
7200                 for (i = 0; i < workspace_limit; i++)
7201                         if (s->ws[i].r == NULL) {
7202                                 ws = &s->ws[i];
7203                                 break;
7204                         }
7205         }
7206
7207         if (ws == NULL)
7208                 errx(1, "new_region: no free workspaces");
7209
7210         X(r) = x;
7211         Y(r) = y;
7212         WIDTH(r) = w;
7213         HEIGHT(r) = h;
7214         r->s = s;
7215         r->ws = ws;
7216         r->ws_prior = NULL;
7217         ws->r = r;
7218         outputs++;
7219         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7220 }
7221
7222 void
7223 scan_xrandr(int i)
7224 {
7225 #ifdef SWM_XRR_HAS_CRTC
7226         XRRCrtcInfo             *ci;
7227         XRRScreenResources      *sr;
7228         int                     c;
7229         int                     ncrtc = 0;
7230 #endif /* SWM_XRR_HAS_CRTC */
7231         struct swm_region       *r;
7232         int                     num_screens;
7233
7234         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7235         if (i >= num_screens)
7236                 errx(1, "scan_xrandr: invalid screen");
7237
7238         /* remove any old regions */
7239         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7240                 r->ws->old_r = r->ws->r = NULL;
7241                 bar_cleanup(r);
7242                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7243                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7244         }
7245         outputs = 0;
7246
7247         /* map virtual screens onto physical screens */
7248 #ifdef SWM_XRR_HAS_CRTC
7249         if (xrandr_support) {
7250                 sr = XRRGetScreenResourcesCurrent(display, screens[i].root);
7251                 if (sr == NULL)
7252                         new_region(&screens[i], 0, 0,
7253                             DisplayWidth(display, i),
7254                             DisplayHeight(display, i));
7255                 else
7256                         ncrtc = sr->ncrtc;
7257
7258                 for (c = 0, ci = NULL; c < ncrtc; c++) {
7259                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
7260                         if (ci->noutput == 0)
7261                                 continue;
7262
7263                         if (ci != NULL && ci->mode == None)
7264                                 new_region(&screens[i], 0, 0,
7265                                     DisplayWidth(display, i),
7266                                     DisplayHeight(display, i));
7267                         else
7268                                 new_region(&screens[i],
7269                                     ci->x, ci->y, ci->width, ci->height);
7270                 }
7271                 if (ci)
7272                         XRRFreeCrtcInfo(ci);
7273                 XRRFreeScreenResources(sr);
7274         } else
7275 #endif /* SWM_XRR_HAS_CRTC */
7276         {
7277                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
7278                     DisplayHeight(display, i));
7279         }
7280 }
7281
7282 void
7283 screenchange(XEvent *e) {
7284         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7285         struct swm_region               *r;
7286         int                             i, num_screens;
7287
7288         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7289
7290         if (!XRRUpdateConfiguration(e))
7291                 return;
7292
7293         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7294         /* silly event doesn't include the screen index */
7295         for (i = 0; i < num_screens; i++)
7296                 if (screens[i].root == xe->root)
7297                         break;
7298         if (i >= num_screens)
7299                 errx(1, "screenchange: screen not found");
7300
7301         /* brute force for now, just re-enumerate the regions */
7302         scan_xrandr(i);
7303
7304         /* add bars to all regions */
7305         for (i = 0; i < num_screens; i++)
7306                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7307                         bar_setup(r);
7308         stack();
7309         if (focus_mode == SWM_FOCUS_DEFAULT)
7310                 drain_enter_notify();
7311 }
7312
7313 void
7314 grab_windows(void)
7315 {
7316         Window                  d1, d2, *wins = NULL;
7317         XWindowAttributes       wa;
7318         unsigned int            no;
7319         int                     i, j, num_screens;
7320         long                    state, manage;
7321
7322         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7323         for (i = 0; i < num_screens; i++) {
7324                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
7325                         continue;
7326
7327                 /* attach windows to a region */
7328                 /* normal windows */
7329                 for (j = 0; j < no; j++) {
7330                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7331                             wa.override_redirect ||
7332                             XGetTransientForHint(display, wins[j], &d1))
7333                                 continue;
7334
7335                         state = getstate(wins[j]);
7336                         manage = state == IconicState;
7337                         if (wa.map_state == IsViewable || manage)
7338                                 manage_window(wins[j]);
7339                 }
7340                 /* transient windows */
7341                 for (j = 0; j < no; j++) {
7342                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7343                             wa.override_redirect)
7344                                 continue;
7345
7346                         state = getstate(wins[j]);
7347                         manage = state == IconicState;
7348                         if (XGetTransientForHint(display, wins[j], &d1) &&
7349                             manage)
7350                                 manage_window(wins[j]);
7351                 }
7352                 if (wins) {
7353                         XFree(wins);
7354                         wins = NULL;
7355                 }
7356         }
7357 }
7358
7359 void
7360 setup_screens(void)
7361 {
7362         int                     i, j, k, num_screens;
7363         int                     errorbase, major, minor;
7364         struct workspace        *ws;
7365         XGCValues               gcv;
7366
7367         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7368         if ((screens = calloc(num_screens,
7369              sizeof(struct swm_screen))) == NULL)
7370                 err(1, "setup_screens: calloc: failed to allocate memory for "
7371                     "screens");
7372
7373         /* initial Xrandr setup */
7374         xrandr_support = XRRQueryExtension(display,
7375             &xrandr_eventbase, &errorbase);
7376         if (xrandr_support)
7377                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
7378                         xrandr_support = 0;
7379
7380         /* map physical screens */
7381         for (i = 0; i < num_screens; i++) {
7382                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7383                 screens[i].idx = i;
7384                 TAILQ_INIT(&screens[i].rl);
7385                 TAILQ_INIT(&screens[i].orl);
7386                 screens[i].root = RootWindow(display, i);
7387
7388                 /* set default colors */
7389                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7390                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7391                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7392                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7393                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7394
7395                 /* create graphics context on screen */
7396                 gcv.graphics_exposures = 0;
7397                 screens[i].bar_gc = XCreateGC(display, screens[i].root,
7398                     GCGraphicsExposures, &gcv);
7399
7400                 /* set default cursor */
7401                 XDefineCursor(display, screens[i].root,
7402                     XCreateFontCursor(display, XC_left_ptr));
7403
7404                 /* init all workspaces */
7405                 /* XXX these should be dynamically allocated too */
7406                 for (j = 0; j < SWM_WS_MAX; j++) {
7407                         ws = &screens[i].ws[j];
7408                         ws->idx = j;
7409                         ws->name = NULL;
7410                         ws->focus = NULL;
7411                         ws->r = NULL;
7412                         ws->old_r = NULL;
7413                         TAILQ_INIT(&ws->winlist);
7414                         TAILQ_INIT(&ws->unmanagedlist);
7415
7416                         for (k = 0; layouts[k].l_stack != NULL; k++)
7417                                 if (layouts[k].l_config != NULL)
7418                                         layouts[k].l_config(ws,
7419                                             SWM_ARG_ID_STACKINIT);
7420                         ws->cur_layout = &layouts[0];
7421                         ws->cur_layout->l_string(ws);
7422                 }
7423
7424                 scan_xrandr(i);
7425
7426                 if (xrandr_support)
7427                         XRRSelectInput(display, screens[i].root,
7428                             RRScreenChangeNotifyMask);
7429         }
7430 }
7431
7432 void
7433 setup_globals(void)
7434 {
7435         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7436                 err(1, "setup_globals: strdup: failed to allocate memory.");
7437
7438         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7439                 err(1, "setup_globals: strdup: failed to allocate memory.");
7440 }
7441
7442 void
7443 workaround(void)
7444 {
7445         int                     i, num_screens;
7446         Atom                    netwmcheck, netwmname, utf8_string;
7447         Window                  root, win;
7448
7449         /* work around sun jdk bugs, code from wmname */
7450         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
7451         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7452         utf8_string = XInternAtom(display, "UTF8_STRING", False);
7453
7454         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7455         for (i = 0; i < num_screens; i++) {
7456                 root = screens[i].root;
7457                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
7458                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
7459                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
7460
7461                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
7462                     PropModeReplace, (unsigned char *)&win, 1);
7463                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
7464                     PropModeReplace, (unsigned char *)&win, 1);
7465                 XChangeProperty(display, win, netwmname, utf8_string, 8,
7466                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
7467         }
7468 }
7469
7470 int
7471 main(int argc, char *argv[])
7472 {
7473         struct swm_region       *r, *rr;
7474         struct ws_win           *winfocus = NULL;
7475         struct timeval          tv;
7476         union arg               a;
7477         char                    conf[PATH_MAX], *cfile = NULL;
7478         struct stat             sb;
7479         XEvent                  e;
7480         int                     xfd, i, num_screens;
7481         fd_set                  rd;
7482         struct sigaction        sact;
7483
7484         start_argv = argv;
7485         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7486         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7487             !XSupportsLocale())
7488                 warnx("no locale support");
7489
7490         if (!X_HAVE_UTF8_STRING)
7491                 warnx("no UTF-8 support");
7492
7493         if (!(display = XOpenDisplay(0)))
7494                 errx(1, "can not open display");
7495
7496         if (!(conn = XGetXCBConnection(display)))
7497                 errx(1, "can not get XCB connection");
7498
7499         if (active_wm())
7500                 errx(1, "other wm running");
7501
7502         /* handle some signals */
7503         bzero(&sact, sizeof(sact));
7504         sigemptyset(&sact.sa_mask);
7505         sact.sa_flags = 0;
7506         sact.sa_handler = sighdlr;
7507         sigaction(SIGINT, &sact, NULL);
7508         sigaction(SIGQUIT, &sact, NULL);
7509         sigaction(SIGTERM, &sact, NULL);
7510         sigaction(SIGHUP, &sact, NULL);
7511
7512         sact.sa_handler = sighdlr;
7513         sact.sa_flags = SA_NOCLDSTOP;
7514         sigaction(SIGCHLD, &sact, NULL);
7515
7516         astate = XInternAtom(display, "WM_STATE", False);
7517         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
7518         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
7519         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
7520         a_wmname = XInternAtom(display, "WM_NAME", False);
7521         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7522         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
7523         a_string = XInternAtom(display, "STRING", False);
7524         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
7525
7526         /* look for local and global conf file */
7527         pwd = getpwuid(getuid());
7528         if (pwd == NULL)
7529                 errx(1, "invalid user: %d", getuid());
7530
7531         setup_globals();
7532         setup_screens();
7533         setup_keys();
7534         setup_quirks();
7535         setup_spawn();
7536
7537         /* load config */
7538         for (i = 0; ; i++) {
7539                 conf[0] = '\0';
7540                 switch (i) {
7541                 case 0:
7542                         /* ~ */
7543                         snprintf(conf, sizeof conf, "%s/.%s",
7544                             pwd->pw_dir, SWM_CONF_FILE);
7545                         break;
7546                 case 1:
7547                         /* global */
7548                         snprintf(conf, sizeof conf, "/etc/%s",
7549                             SWM_CONF_FILE);
7550                         break;
7551                 case 2:
7552                         /* ~ compat */
7553                         snprintf(conf, sizeof conf, "%s/.%s",
7554                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7555                         break;
7556                 case 3:
7557                         /* global compat */
7558                         snprintf(conf, sizeof conf, "/etc/%s",
7559                             SWM_CONF_FILE_OLD);
7560                         break;
7561                 default:
7562                         goto noconfig;
7563                 }
7564
7565                 if (strlen(conf) && stat(conf, &sb) != -1)
7566                         if (S_ISREG(sb.st_mode)) {
7567                                 cfile = conf;
7568                                 break;
7569                         }
7570         }
7571 noconfig:
7572
7573         /* load conf (if any) */
7574         if (cfile)
7575                 conf_load(cfile, SWM_CONF_DEFAULT);
7576
7577         setup_ewmh();
7578         /* set some values to work around bad programs */
7579         workaround();
7580         /* grab existing windows (before we build the bars) */
7581         grab_windows();
7582
7583         if (getenv("SWM_STARTED") == NULL)
7584                 setenv("SWM_STARTED", "YES", 1);
7585
7586         /* setup all bars */
7587         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7588         for (i = 0; i < num_screens; i++)
7589                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7590                         if (winfocus == NULL)
7591                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7592                         bar_setup(r);
7593                 }
7594
7595         unfocus_all();
7596
7597         grabkeys();
7598         stack();
7599         if (focus_mode == SWM_FOCUS_DEFAULT)
7600                 drain_enter_notify();
7601
7602         xfd = ConnectionNumber(display);
7603         while (running) {
7604                 while (XPending(display)) {
7605                         XNextEvent(display, &e);
7606                         if (running == 0)
7607                                 goto done;
7608                         if (e.type < LASTEvent) {
7609                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7610                                     "window: 0x%lx, type: %s (%d), %d remaining"
7611                                     "\n", YESNO(handler[e.type]),
7612                                     e.xany.window, geteventname(&e),
7613                                     e.type, QLength(display));
7614
7615                                 if (handler[e.type])
7616                                         handler[e.type](&e);
7617                         } else {
7618                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7619                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7620                                     xrandr_geteventname(&e), e.type);
7621
7622                                 switch (e.type - xrandr_eventbase) {
7623                                 case RRScreenChangeNotify:
7624                                         screenchange(&e);
7625                                         break;
7626                                 default:
7627                                         break;
7628                                 }
7629                         }
7630                 }
7631
7632                 /* if we are being restarted go focus on first window */
7633                 if (winfocus) {
7634                         rr = winfocus->ws->r;
7635                         if (rr == NULL) {
7636                                 /* not a visible window */
7637                                 winfocus = NULL;
7638                                 continue;
7639                         }
7640                         /* move pointer to first screen if multi screen */
7641                         if (num_screens > 1 || outputs > 1)
7642                                 XWarpPointer(display, None, rr->s[0].root,
7643                                     0, 0, 0, 0, X(rr),
7644                                     Y(rr) + (bar_enabled ? bar_height : 0));
7645
7646                         a.id = SWM_ARG_ID_FOCUSCUR;
7647                         focus(rr, &a);
7648                         winfocus = NULL;
7649                         continue;
7650                 }
7651
7652                 FD_ZERO(&rd);
7653                 FD_SET(xfd, &rd);
7654                 tv.tv_sec = 1;
7655                 tv.tv_usec = 0;
7656                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7657                         if (errno != EINTR)
7658                                 DNPRINTF(SWM_D_MISC, "select failed");
7659                 if (restart_wm == 1)
7660                         restart(NULL, NULL);
7661                 if (search_resp == 1)
7662                         search_do_resp();
7663                 if (running == 0)
7664                         goto done;
7665                 if (bar_alarm) {
7666                         bar_alarm = 0;
7667                         bar_update();
7668                 }
7669         }
7670 done:
7671         teardown_ewmh();
7672         bar_extra_stop();
7673
7674         for (i = 0; i < num_screens; ++i)
7675                 if (screens[i].bar_gc != NULL)
7676                         XFreeGC(display, screens[i].bar_gc);
7677
7678         XFreeFontSet(display, bar_fs);
7679         xcb_disconnect(conn);
7680         XCloseDisplay(display);
7681
7682         return (0);
7683 }