scrotwm.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  *
  10  * Permission to use, copy, modify, and distribute this software for any
  11  * purpose with or without fee is hereby granted, provided that the above
  12  * copyright notice and this permission notice appear in all copies.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  15  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  16  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  17  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  18  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  19  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  20  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  21  */
  22 /*
  23  * Much code and ideas taken from dwm under the following license:
  24  * MIT/X Consortium License
  25  *
  26  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  27  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  28  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  29  * 2007 Premysl Hruby <dfenze at gmail dot com>
  30  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  31  * 2007 Christof Musik <christof at sendfax dot de>
  32  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  33  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  34  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  35  *
  36  * Permission is hereby granted, free of charge, to any person obtaining a
  37  * copy of this software and associated documentation files (the "Software"),
  38  * to deal in the Software without restriction, including without limitation
  39  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  40  * and/or sell copies of the Software, and to permit persons to whom the
  41  * Software is furnished to do so, subject to the following conditions:
  42  *
  43  * The above copyright notice and this permission notice shall be included in
  44  * all copies or substantial portions of the Software.
  45  *
  46  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  47  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  48  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  49  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  50  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  51  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  52  * DEALINGS IN THE SOFTWARE.
  53  */
  54
  55 #include <stdio.h>
  56 #include <stdlib.h>
  57 #include <err.h>
  58 #include <errno.h>
  59 #include <fcntl.h>
  60 #include <locale.h>
  61 #include <unistd.h>
  62 #include <time.h>
  63 #include <signal.h>
  64 #include <string.h>
  65 #include <util.h>
  66 #include <pwd.h>
  67 #include <paths.h>
  68 #include <ctype.h>
  69
  70 #include <sys/types.h>
  71 #include <sys/time.h>
  72 #include <sys/stat.h>
  73 #include <sys/wait.h>
  74 #include <sys/queue.h>
  75 #include <sys/param.h>
  76 #include <sys/select.h>
  77
  78 #include <X11/cursorfont.h>
  79 #include <X11/keysym.h>
  80 #include <X11/Xatom.h>
  81 #include <X11/Xlib.h>
  82 #include <X11/Xproto.h>
  83 #include <X11/Xutil.h>
  84 #include <X11/extensions/Xrandr.h>
  85 #include <X11/extensions/XTest.h>
  86
  87 #ifdef __OSX__
  88 #include <osx.h>
  89 #endif
  90
  91 #include "version.h"
  92
  93 #ifdef SCROTWM_BUILDSTR
  94 static const char       *buildstr = SCROTWM_BUILDSTR;
  95 #else
  96 static const char       *buildstr = SCROTWM_VERSION;
  97 #endif
  98
  99 #if RANDR_MAJOR < 1
 100 #  error XRandR versions less than 1.0 are not supported
 101 #endif
 102
 103 #if RANDR_MAJOR >= 1
 104 #if RANDR_MINOR >= 2
 105 #define SWM_XRR_HAS_CRTC
 106 #endif
 107 #endif
 108
 109 /*#define SWM_DEBUG*/
 110 #ifdef SWM_DEBUG
 111 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 112 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 113 #define SWM_D_MISC              0x0001
 114 #define SWM_D_EVENT             0x0002
 115 #define SWM_D_WS                0x0004
 116 #define SWM_D_FOCUS             0x0008
 117 #define SWM_D_MOVE              0x0010
 118 #define SWM_D_STACK             0x0020
 119 #define SWM_D_MOUSE             0x0040
 120 #define SWM_D_PROP              0x0080
 121 #define SWM_D_CLASS             0x0100
 122 #define SWM_D_KEY               0x0200
 123 #define SWM_D_QUIRK             0x0400
 124 #define SWM_D_SPAWN             0x0800
 125 #define SWM_D_EVENTQ            0x1000
 126 #define SWM_D_CONF              0x2000
 127
 128 u_int32_t               swm_debug = 0
 129                             | SWM_D_MISC
 130                             | SWM_D_EVENT
 131                             | SWM_D_WS
 132                             | SWM_D_FOCUS
 133                             | SWM_D_MOVE
 134                             | SWM_D_STACK
 135                             | SWM_D_MOUSE
 136                             | SWM_D_PROP
 137                             | SWM_D_CLASS
 138                             | SWM_D_KEY
 139                             | SWM_D_QUIRK
 140                             | SWM_D_SPAWN
 141                             | SWM_D_EVENTQ
 142                             | SWM_D_CONF
 143                             ;
 144 #else
 145 #define DPRINTF(x...)
 146 #define DNPRINTF(n,x...)
 147 #endif
 148
 149 #define LENGTH(x)               (sizeof x / sizeof x[0])
 150 #define MODKEY                  Mod1Mask
 151 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 152 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 153 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 154 #define SWM_PROPLEN             (16)
 155 #define SWM_FUNCNAME_LEN        (32)
 156 #define SWM_KEYS_LEN            (255)
 157 #define SWM_QUIRK_LEN           (64)
 158 #define X(r)                    (r)->g.x
 159 #define Y(r)                    (r)->g.y
 160 #define WIDTH(r)                (r)->g.w
 161 #define HEIGHT(r)               (r)->g.h
 162 #define SWM_MAX_FONT_STEPS      (3)
 163 #define WINID(w)                (w ? w->id : 0)
 164 #define YESNO(x)                (x ? "yes" : "no")
 165
 166 #define SWM_FOCUS_DEFAULT       (0)
 167 #define SWM_FOCUS_SYNERGY       (1)
 168 #define SWM_FOCUS_FOLLOW        (2)
 169
 170 #define SWM_CONF_DEFAULT        (0)
 171 #define SWM_CONF_KEYMAPPING     (1)
 172
 173 #ifndef SWM_LIB
 174 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 175 #endif
 176
 177 char                    **start_argv;
 178 Atom                    astate;
 179 Atom                    aprot;
 180 Atom                    adelete;
 181 Atom                    takefocus;
 182 Atom                    a_wmname;
 183 Atom                    a_netwmname;
 184 Atom                    a_utf8_string;
 185 Atom                    a_string;
 186 Atom                    a_swm_iconic;
 187 volatile sig_atomic_t   running = 1;
 188 volatile sig_atomic_t   restart_wm = 0;
 189 int                     outputs = 0;
 190 int                     last_focus_event = FocusOut;
 191 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 192 int                     other_wm;
 193 int                     ss_enabled = 0;
 194 int                     xrandr_support;
 195 int                     xrandr_eventbase;
 196 unsigned int            numlockmask = 0;
 197 Display                 *display;
 198
 199 int                     cycle_empty = 0;
 200 int                     cycle_visible = 0;
 201 int                     term_width = 0;
 202 int                     font_adjusted = 0;
 203 unsigned int            mod_key = MODKEY;
 204
 205 /* dmenu search */
 206 struct swm_region       *search_r;
 207 int                     select_list_pipe[2];
 208 int                     select_resp_pipe[2];
 209 pid_t                   searchpid;
 210 volatile sig_atomic_t   search_resp;
 211 int                     search_resp_action;
 212
 213 struct search_window {
 214         TAILQ_ENTRY(search_window)      entry;
 215         int                             idx;
 216         struct ws_win                   *win;
 217         Window                          indicator;
 218 };
 219 TAILQ_HEAD(search_winlist, search_window);
 220
 221 struct search_winlist search_wl;
 222
 223 /* search actions */
 224 enum {
 225         SWM_SEARCH_NONE,
 226         SWM_SEARCH_UNICONIFY,
 227         SWM_SEARCH_NAME_WORKSPACE,
 228         SWM_SEARCH_SEARCH_WORKSPACE,
 229         SWM_SEARCH_SEARCH_WINDOW
 230 };
 231
 232 /* dialog windows */
 233 double                  dialog_ratio = .6;
 234 /* status bar */
 235 #define SWM_BAR_MAX             (256)
 236 #define SWM_BAR_JUSTIFY_LEFT    (0)
 237 #define SWM_BAR_JUSTIFY_CENTER  (1)
 238 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 239 #define SWM_BAR_OFFSET          (4)
 240 char                    *bar_argv[] = { NULL, NULL };
 241 int                     bar_pipe[2];
 242 char                    bar_ext[SWM_BAR_MAX];
 243 char                    bar_vertext[SWM_BAR_MAX];
 244 int                     bar_version = 0;
 245 sig_atomic_t            bar_alarm = 0;
 246 int                     bar_delay = 30;
 247 int                     bar_enabled = 1;
 248 int                     bar_border_width = 1;
 249 int                     bar_at_bottom = 0;
 250 int                     bar_extra = 1;
 251 int                     bar_extra_running = 0;
 252 int                     bar_verbose = 1;
 253 int                     bar_height = 0;
 254 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 255 int                     stack_enabled = 1;
 256 int                     clock_enabled = 1;
 257 int                     urgent_enabled = 0;
 258 char                    *clock_format = NULL;
 259 int                     title_name_enabled = 0;
 260 int                     title_class_enabled = 0;
 261 int                     window_name_enabled = 0;
 262 int                     focus_mode = SWM_FOCUS_DEFAULT;
 263 int                     disable_border = 0;
 264 int                     border_width = 1;
 265 int                     verbose_layout = 0;
 266 pid_t                   bar_pid;
 267 GC                      bar_gc;
 268 XGCValues               bar_gcv;
 269 int                     bar_fidx = 0;
 270 XFontStruct             *bar_fs;
 271 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 272 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 273 struct passwd           *pwd;
 274
 275 #define SWM_MENU_FN     (2)
 276 #define SWM_MENU_NB     (4)
 277 #define SWM_MENU_NF     (6)
 278 #define SWM_MENU_SB     (8)
 279 #define SWM_MENU_SF     (10)
 280
 281 /* layout manager data */
 282 struct swm_geometry {
 283         int                     x;
 284         int                     y;
 285         int                     w;
 286         int                     h;
 287 };
 288
 289 struct swm_screen;
 290 struct workspace;
 291
 292 /* virtual "screens" */
 293 struct swm_region {
 294         TAILQ_ENTRY(swm_region) entry;
 295         struct swm_geometry     g;
 296         struct workspace        *ws;    /* current workspace on this region */
 297         struct workspace        *ws_prior; /* prior workspace on this region */
 298         struct swm_screen       *s;     /* screen idx */
 299         Window                  bar_window;
 300 };
 301 TAILQ_HEAD(swm_region_list, swm_region);
 302
 303 struct ws_win {
 304         TAILQ_ENTRY(ws_win)     entry;
 305         Window                  id;
 306         Window                  transient;
 307         struct ws_win           *child_trans;   /* transient child window */
 308         struct swm_geometry     g;              /* current geometry */
 309         struct swm_geometry     g_float;        /* geometry when floating */
 310         struct swm_geometry     rg_float;       /* region geom when floating */
 311         int                     g_floatvalid;   /* g_float geometry validity */
 312         int                     floatmaxed;     /* whether maxed by max_stack */
 313         int                     floating;
 314         int                     manual;
 315         int                     iconic;
 316         unsigned int            ewmh_flags;
 317         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 318         int                     font_steps;
 319         int                     last_inc;
 320         int                     can_delete;
 321         int                     take_focus;
 322         int                     java;
 323         unsigned long           quirks;
 324         struct workspace        *ws;    /* always valid */
 325         struct swm_screen       *s;     /* always valid, never changes */
 326         XWindowAttributes       wa;
 327         XSizeHints              sh;
 328         XClassHint              ch;
 329         XWMHints                *hints;
 330 };
 331 TAILQ_HEAD(ws_win_list, ws_win);
 332
 333 /* pid goo */
 334 struct pid_e {
 335         TAILQ_ENTRY(pid_e)      entry;
 336         long                    pid;
 337         int                     ws;
 338 };
 339 TAILQ_HEAD(pid_list, pid_e);
 340 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 341
 342 /* layout handlers */
 343 void    stack(void);
 344 void    vertical_config(struct workspace *, int);
 345 void    vertical_stack(struct workspace *, struct swm_geometry *);
 346 void    horizontal_config(struct workspace *, int);
 347 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 348 void    max_stack(struct workspace *, struct swm_geometry *);
 349 void    plain_stacker(struct workspace *);
 350 void    fancy_stacker(struct workspace *);
 351
 352 struct ws_win *find_window(Window);
 353
 354 void    grabbuttons(struct ws_win *, int);
 355 void    new_region(struct swm_screen *, int, int, int, int);
 356 void    unmanage_window(struct ws_win *);
 357 long    getstate(Window);
 358
 359 int     conf_load(char *, int);
 360
 361 struct layout {
 362         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 363         void            (*l_config)(struct workspace *, int);
 364         u_int32_t       flags;
 365 #define SWM_L_FOCUSPREV         (1<<0)
 366 #define SWM_L_MAPONFOCUS        (1<<1)
 367         void            (*l_string)(struct workspace *);
 368 } layouts[] =  {
 369         /* stack,               configure */
 370         { vertical_stack,       vertical_config,        0,      plain_stacker },
 371         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 372         { max_stack,            NULL,
 373           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 374         { NULL,                 NULL,                   0,      NULL  },
 375 };
 376
 377 /* position of max_stack mode in the layouts array, index into layouts! */
 378 #define SWM_V_STACK             (0)
 379 #define SWM_H_STACK             (1)
 380 #define SWM_MAX_STACK           (2)
 381
 382 #define SWM_H_SLICE             (32)
 383 #define SWM_V_SLICE             (32)
 384
 385 /* define work spaces */
 386 struct workspace {
 387         int                     idx;            /* workspace index */
 388         char                    *name;          /* workspace name */
 389         int                     always_raise;   /* raise windows on focus */
 390         struct layout           *cur_layout;    /* current layout handlers */
 391         struct ws_win           *focus;         /* may be NULL */
 392         struct ws_win           *focus_prev;    /* may be NULL */
 393         struct swm_region       *r;             /* may be NULL */
 394         struct swm_region       *old_r;         /* may be NULL */
 395         struct ws_win_list      winlist;        /* list of windows in ws */
 396         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 397         char                    stacker[10];    /* display stacker and layout */
 398
 399         /* stacker state */
 400         struct {
 401                                 int horizontal_msize;
 402                                 int horizontal_mwin;
 403                                 int horizontal_stacks;
 404                                 int vertical_msize;
 405                                 int vertical_mwin;
 406                                 int vertical_stacks;
 407         } l_state;
 408 };
 409
 410 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 411           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 412
 413 /* physical screen mapping */
 414 #define SWM_WS_MAX              (10)
 415 struct swm_screen {
 416         int                     idx;    /* screen index */
 417         struct swm_region_list  rl;     /* list of regions on this screen */
 418         struct swm_region_list  orl;    /* list of old regions */
 419         Window                  root;
 420         struct workspace        ws[SWM_WS_MAX];
 421
 422         /* colors */
 423         struct {
 424                 unsigned long   color;
 425                 char            *name;
 426         } c[SWM_S_COLOR_MAX];
 427 };
 428 struct swm_screen       *screens;
 429 int                     num_screens;
 430
 431 /* args to functions */
 432 union arg {
 433         int                     id;
 434 #define SWM_ARG_ID_FOCUSNEXT    (0)
 435 #define SWM_ARG_ID_FOCUSPREV    (1)
 436 #define SWM_ARG_ID_FOCUSMAIN    (2)
 437 #define SWM_ARG_ID_FOCUSCUR     (4)
 438 #define SWM_ARG_ID_SWAPNEXT     (10)
 439 #define SWM_ARG_ID_SWAPPREV     (11)
 440 #define SWM_ARG_ID_SWAPMAIN     (12)
 441 #define SWM_ARG_ID_MOVELAST     (13)
 442 #define SWM_ARG_ID_MASTERSHRINK (20)
 443 #define SWM_ARG_ID_MASTERGROW   (21)
 444 #define SWM_ARG_ID_MASTERADD    (22)
 445 #define SWM_ARG_ID_MASTERDEL    (23)
 446 #define SWM_ARG_ID_STACKRESET   (30)
 447 #define SWM_ARG_ID_STACKINIT    (31)
 448 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 449 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 450 #define SWM_ARG_ID_CYCLESC_UP   (42)
 451 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 452 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 453 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 454 #define SWM_ARG_ID_STACKINC     (50)
 455 #define SWM_ARG_ID_STACKDEC     (51)
 456 #define SWM_ARG_ID_SS_ALL       (60)
 457 #define SWM_ARG_ID_SS_WINDOW    (61)
 458 #define SWM_ARG_ID_DONTCENTER   (70)
 459 #define SWM_ARG_ID_CENTER       (71)
 460 #define SWM_ARG_ID_KILLWINDOW   (80)
 461 #define SWM_ARG_ID_DELETEWINDOW (81)
 462 #define SWM_ARG_ID_WIDTHGROW    (90)
 463 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 464 #define SWM_ARG_ID_HEIGHTGROW   (92)
 465 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 466 #define SWM_ARG_ID_MOVEUP       (100)
 467 #define SWM_ARG_ID_MOVEDOWN     (101)
 468 #define SWM_ARG_ID_MOVELEFT     (102)
 469 #define SWM_ARG_ID_MOVERIGHT    (103)
 470         char                    **argv;
 471 };
 472
 473 void    focus(struct swm_region *, union arg *);
 474 void    focus_magic(struct ws_win *);
 475
 476 /* quirks */
 477 struct quirk {
 478         char                    *class;
 479         char                    *name;
 480         unsigned long           quirk;
 481 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 482 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 483 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 484 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 485 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 486 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 487 };
 488 int                             quirks_size = 0, quirks_length = 0;
 489 struct quirk                    *quirks = NULL;
 490
 491 /*
 492  * Supported EWMH hints should be added to
 493  * both the enum and the ewmh array
 494  */
 495 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 496     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 497     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 498     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 499     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 500     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 501     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 502     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 503     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 504     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 505     SWM_EWMH_HINT_MAX };
 506
 507 struct ewmh_hint {
 508         char    *name;
 509         Atom     atom;
 510 } ewmh[SWM_EWMH_HINT_MAX] =     {
 511     /* must be in same order as in the enum */
 512     {"_NET_ACTIVE_WINDOW", None},
 513     {"_NET_MOVERESIZE_WINDOW", None},
 514     {"_NET_CLOSE_WINDOW", None},
 515     {"_NET_WM_WINDOW_TYPE", None},
 516     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 517     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 518     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 519     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 520     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 521     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 522     {"_NET_WM_STATE", None},
 523     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 524     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 525     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 526     {"_NET_WM_STATE_SKIP_PAGER", None},
 527     {"_NET_WM_STATE_HIDDEN", None},
 528     {"_NET_WM_STATE_ABOVE", None},
 529     {"_SWM_WM_STATE_MANUAL", None},
 530     {"_NET_WM_STATE_FULLSCREEN", None},
 531     {"_NET_WM_ALLOWED_ACTIONS", None},
 532     {"_NET_WM_ACTION_MOVE", None},
 533     {"_NET_WM_ACTION_RESIZE", None},
 534     {"_NET_WM_ACTION_FULLSCREEN", None},
 535     {"_NET_WM_ACTION_CLOSE", None},
 536 };
 537
 538 void    store_float_geom(struct ws_win *, struct swm_region *);
 539 int     floating_toggle_win(struct ws_win *);
 540 void    spawn_select(struct swm_region *, union arg *, char *, int *);
 541
 542 int
 543 get_property(Window id, Atom atom, long count, Atom type,
 544     unsigned long *n, unsigned char **data)
 545 {
 546         int                     format, status;
 547         unsigned long           tmp, extra;
 548         unsigned long           *nitems;
 549         Atom                    real;
 550
 551         nitems = n != NULL ? n : &tmp;
 552         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 553             &real, &format, nitems, &extra, data);
 554
 555         if (status != Success)
 556                 return False;
 557         if (real != type)
 558                 return False;
 559
 560         return True;
 561 }
 562
 563 void
 564 update_iconic(struct ws_win *win, int newv)
 565 {
 566         int32_t v = newv;
 567         Atom iprop;
 568
 569         win->iconic = newv;
 570
 571         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 572         if (!iprop)
 573                 return;
 574         if (newv)
 575                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 576                     PropModeReplace, (unsigned char *)&v, 1);
 577         else
 578                 XDeleteProperty(display, win->id, iprop);
 579 }
 580
 581 int
 582 get_iconic(struct ws_win *win)
 583 {
 584         int32_t v = 0;
 585         int retfmt, status;
 586         Atom iprop, rettype;
 587         unsigned long nitems, extra;
 588         unsigned char *prop = NULL;
 589
 590         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 591         if (!iprop)
 592                 goto out;
 593         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 594             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 595         if (status != Success)
 596                 goto out;
 597         if (rettype != XA_INTEGER || retfmt != 32)
 598                 goto out;
 599         if (nitems != 1)
 600                 goto out;
 601         v = *((int32_t *)prop);
 602
 603 out:
 604         if (prop != NULL)
 605                 XFree(prop);
 606         return (v);
 607 }
 608
 609 void
 610 setup_ewmh(void)
 611 {
 612         int                     i,j;
 613         Atom                    sup_list;
 614
 615         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 616
 617         for (i = 0; i < LENGTH(ewmh); i++)
 618                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 619
 620         for (i = 0; i < ScreenCount(display); i++) {
 621                 /* Support check window will be created by workaround(). */
 622
 623                 /* Report supported atoms */
 624                 XDeleteProperty(display, screens[i].root, sup_list);
 625                 for (j = 0; j < LENGTH(ewmh); j++)
 626                         XChangeProperty(display, screens[i].root,
 627                             sup_list, XA_ATOM, 32,
 628                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 629         }
 630 }
 631
 632 void
 633 teardown_ewmh(void)
 634 {
 635         int                     i, success;
 636         unsigned char           *data = NULL;
 637         unsigned long           n;
 638         Atom                    sup_check, sup_list;
 639         Window                  id;
 640
 641         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 642         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 643
 644         for (i = 0; i < ScreenCount(display); i++) {
 645                 /* Get the support check window and destroy it */
 646                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 647                     &n, &data);
 648
 649                 if (success) {
 650                         id = data[0];
 651                         XDestroyWindow(display, id);
 652                         XDeleteProperty(display, screens[i].root, sup_check);
 653                         XDeleteProperty(display, screens[i].root, sup_list);
 654                 }
 655
 656                 XFree(data);
 657         }
 658 }
 659
 660 void
 661 ewmh_autoquirk(struct ws_win *win)
 662 {
 663         int                     success, i;
 664         unsigned long           *data = NULL, n;
 665         Atom                    type;
 666
 667         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 668             XA_ATOM, &n, (void *)&data);
 669
 670         if (!success) {
 671                 XFree(data);
 672                 return;
 673         }
 674
 675         for (i = 0; i < n; i++) {
 676                 type = data[i];
 677                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 678                         break;
 679                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 680                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 681                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 682                         win->floating = 1;
 683                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 684                         break;
 685                 }
 686                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 687                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 688                         win->floating = 1;
 689                         win->quirks = SWM_Q_FLOAT;
 690                         break;
 691                 }
 692         }
 693
 694         XFree(data);
 695 }
 696
 697 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 698 #define EWMH_F_FULLSCREEN               (1<<0)
 699 #define EWMH_F_ABOVE                    (1<<1)
 700 #define EWMH_F_HIDDEN                   (1<<2)
 701 #define EWMH_F_SKIP_PAGER               (1<<3)
 702 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 703 #define SWM_F_MANUAL                    (1<<5)
 704
 705 int
 706 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 707 {
 708         struct swm_geometry     rg;
 709
 710         if (!win->ws->r)
 711                 return 0;
 712
 713         if (!win->floating)
 714                 return 0;
 715
 716         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 717             "fullscreen %s\n", win->id, YESNO(fs));
 718
 719         rg = win->ws->r->g;
 720
 721         if (fs) {
 722                 store_float_geom(win, win->ws->r);
 723
 724                 win->g = rg;
 725         } else {
 726                 if (win->g_floatvalid) {
 727                         /* refloat at last floating relative position */
 728                         X(win) = win->g_float.x - win->rg_float.x + rg.x;
 729                         Y(win) = win->g_float.y - win->rg_float.y + rg.y;
 730                         WIDTH(win) = win->g_float.w;
 731                         HEIGHT(win) = win->g_float.h;
 732                 }
 733         }
 734
 735         return 1;
 736 }
 737
 738 void
 739 ewmh_update_actions(struct ws_win *win)
 740 {
 741         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 742         int                     n = 0;
 743
 744         if (win == NULL)
 745                 return;
 746
 747         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 748
 749         if (win->floating) {
 750                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 751                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 752         }
 753
 754         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 755             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 756 }
 757
 758 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 759 #define _NET_WM_STATE_ADD       1    /* add/set property */
 760 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 761
 762 void
 763 ewmh_update_win_state(struct ws_win *win, long state, long action)
 764 {
 765         unsigned int            mask = 0;
 766         unsigned int            changed = 0;
 767         unsigned int            orig_flags;
 768
 769         if (win == NULL)
 770                 return;
 771
 772         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 773                 mask = EWMH_F_FULLSCREEN;
 774         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 775                 mask = EWMH_F_ABOVE;
 776         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 777                 mask = SWM_F_MANUAL;
 778         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 779                 mask = EWMH_F_SKIP_PAGER;
 780         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 781                 mask = EWMH_F_SKIP_TASKBAR;
 782
 783
 784         orig_flags = win->ewmh_flags;
 785
 786         switch (action) {
 787         case _NET_WM_STATE_REMOVE:
 788                 win->ewmh_flags &= ~mask;
 789                 break;
 790         case _NET_WM_STATE_ADD:
 791                 win->ewmh_flags |= mask;
 792                 break;
 793         case _NET_WM_STATE_TOGGLE:
 794                 win->ewmh_flags ^= mask;
 795                 break;
 796         }
 797
 798         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 799
 800         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 801                 if (changed)
 802                         if (!floating_toggle_win(win))
 803                                 win->ewmh_flags = orig_flags; /* revert */
 804         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 805                 if (changed)
 806                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 807         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 808                 if (changed)
 809                         if (!ewmh_set_win_fullscreen(win,
 810                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 811                                 win->ewmh_flags = orig_flags; /* revert */
 812
 813         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 814
 815         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 816                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 817                     XA_ATOM, 32, PropModeAppend,
 818                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 819         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 820                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 821                     XA_ATOM, 32, PropModeAppend,
 822                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 823         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 824                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 825                     XA_ATOM, 32, PropModeAppend,
 826                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 827         if (win->ewmh_flags & EWMH_F_ABOVE)
 828                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 829                     XA_ATOM, 32, PropModeAppend,
 830                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 831         if (win->ewmh_flags & SWM_F_MANUAL)
 832                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 833                     XA_ATOM, 32, PropModeAppend,
 834                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 835 }
 836
 837 void
 838 ewmh_get_win_state(struct ws_win *win)
 839 {
 840         int                     success, i;
 841         unsigned long           n;
 842         Atom                    *states;
 843
 844         if (win == NULL)
 845                 return;
 846
 847         win->ewmh_flags = 0;
 848         if (win->floating)
 849                 win->ewmh_flags |= EWMH_F_ABOVE;
 850         if (win->manual)
 851                 win->ewmh_flags |= SWM_F_MANUAL;
 852
 853         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 854             (~0L), XA_ATOM, &n, (void *)&states);
 855
 856         if (!success)
 857                 return;
 858
 859         for (i = 0; i < n; i++)
 860                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 861
 862         XFree(states);
 863 }
 864
 865 /* events */
 866 #ifdef SWM_DEBUG
 867 char *
 868 geteventname(XEvent *e)
 869 {
 870         char                    *name = NULL;
 871
 872         switch (e->type) {
 873         case KeyPress:
 874                 name = "KeyPress";
 875                 break;
 876         case KeyRelease:
 877                 name = "KeyRelease";
 878                 break;
 879         case ButtonPress:
 880                 name = "ButtonPress";
 881                 break;
 882         case ButtonRelease:
 883                 name = "ButtonRelease";
 884                 break;
 885         case MotionNotify:
 886                 name = "MotionNotify";
 887                 break;
 888         case EnterNotify:
 889                 name = "EnterNotify";
 890                 break;
 891         case LeaveNotify:
 892                 name = "LeaveNotify";
 893                 break;
 894         case FocusIn:
 895                 name = "FocusIn";
 896                 break;
 897         case FocusOut:
 898                 name = "FocusOut";
 899                 break;
 900         case KeymapNotify:
 901                 name = "KeymapNotify";
 902                 break;
 903         case Expose:
 904                 name = "Expose";
 905                 break;
 906         case GraphicsExpose:
 907                 name = "GraphicsExpose";
 908                 break;
 909         case NoExpose:
 910                 name = "NoExpose";
 911                 break;
 912         case VisibilityNotify:
 913                 name = "VisibilityNotify";
 914                 break;
 915         case CreateNotify:
 916                 name = "CreateNotify";
 917                 break;
 918         case DestroyNotify:
 919                 name = "DestroyNotify";
 920                 break;
 921         case UnmapNotify:
 922                 name = "UnmapNotify";
 923                 break;
 924         case MapNotify:
 925                 name = "MapNotify";
 926                 break;
 927         case MapRequest:
 928                 name = "MapRequest";
 929                 break;
 930         case ReparentNotify:
 931                 name = "ReparentNotify";
 932                 break;
 933         case ConfigureNotify:
 934                 name = "ConfigureNotify";
 935                 break;
 936         case ConfigureRequest:
 937                 name = "ConfigureRequest";
 938                 break;
 939         case GravityNotify:
 940                 name = "GravityNotify";
 941                 break;
 942         case ResizeRequest:
 943                 name = "ResizeRequest";
 944                 break;
 945         case CirculateNotify:
 946                 name = "CirculateNotify";
 947                 break;
 948         case CirculateRequest:
 949                 name = "CirculateRequest";
 950                 break;
 951         case PropertyNotify:
 952                 name = "PropertyNotify";
 953                 break;
 954         case SelectionClear:
 955                 name = "SelectionClear";
 956                 break;
 957         case SelectionRequest:
 958                 name = "SelectionRequest";
 959                 break;
 960         case SelectionNotify:
 961                 name = "SelectionNotify";
 962                 break;
 963         case ColormapNotify:
 964                 name = "ColormapNotify";
 965                 break;
 966         case ClientMessage:
 967                 name = "ClientMessage";
 968                 break;
 969         case MappingNotify:
 970                 name = "MappingNotify";
 971                 break;
 972         default:
 973                 name = "Unknown";
 974         }
 975
 976         return name;
 977 }
 978
 979 char *
 980 xrandr_geteventname(XEvent *e)
 981 {
 982         char                    *name = NULL;
 983
 984         switch(e->type - xrandr_eventbase) {
 985         case RRScreenChangeNotify:
 986                 name = "RRScreenChangeNotify";
 987                 break;
 988         default:
 989                 name = "Unknown";
 990         }
 991
 992         return name;
 993 }
 994
 995 void
 996 dumpwins(struct swm_region *r, union arg *args)
 997 {
 998         struct ws_win           *win;
 999         unsigned int            state;
1000         XWindowAttributes       wa;
1001
1002         if (r->ws == NULL) {
1003                 fprintf(stderr, "dumpwins: invalid workspace\n");
1004                 return;
1005         }
1006
1007         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
1008
1009         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1010                 state = getstate(win->id);
1011                 if (!XGetWindowAttributes(display, win->id, &wa))
1012                         fprintf(stderr, "window: 0x%lx, failed "
1013                             "XGetWindowAttributes\n", win->id);
1014                 fprintf(stderr, "window: 0x%lx, map_state: %d, state: %d, "
1015                     "transient: 0x%lx\n",
1016                     win->id, wa.map_state, state, win->transient);
1017         }
1018
1019         fprintf(stderr, "===== unmanaged window list =====\n");
1020         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1021                 state = getstate(win->id);
1022                 if (!XGetWindowAttributes(display, win->id, &wa))
1023                         fprintf(stderr, "window: 0x%lx, failed "
1024                             "XGetWindowAttributes\n", win->id);
1025                 fprintf(stderr, "window: 0x%lx, map_state: %d, state: %d, "
1026                     "transient: 0x%lx\n",
1027                     win->id, wa.map_state, state, win->transient);
1028         }
1029
1030         fprintf(stderr, "=================================\n");
1031 }
1032 #else
1033 void
1034 dumpwins(struct swm_region *r, union arg *args)
1035 {
1036 }
1037 #endif /* SWM_DEBUG */
1038
1039 void                    expose(XEvent *);
1040 void                    keypress(XEvent *);
1041 void                    buttonpress(XEvent *);
1042 void                    configurerequest(XEvent *);
1043 void                    configurenotify(XEvent *);
1044 void                    destroynotify(XEvent *);
1045 void                    enternotify(XEvent *);
1046 void                    focusevent(XEvent *);
1047 void                    mapnotify(XEvent *);
1048 void                    mappingnotify(XEvent *);
1049 void                    maprequest(XEvent *);
1050 void                    propertynotify(XEvent *);
1051 void                    unmapnotify(XEvent *);
1052 void                    visibilitynotify(XEvent *);
1053 void                    clientmessage(XEvent *);
1054
1055 void                    (*handler[LASTEvent])(XEvent *) = {
1056                                 [Expose] = expose,
1057                                 [KeyPress] = keypress,
1058                                 [ButtonPress] = buttonpress,
1059                                 [ConfigureRequest] = configurerequest,
1060                                 [ConfigureNotify] = configurenotify,
1061                                 [DestroyNotify] = destroynotify,
1062                                 [EnterNotify] = enternotify,
1063                                 [FocusIn] = focusevent,
1064                                 [FocusOut] = focusevent,
1065                                 [MapNotify] = mapnotify,
1066                                 [MappingNotify] = mappingnotify,
1067                                 [MapRequest] = maprequest,
1068                                 [PropertyNotify] = propertynotify,
1069                                 [UnmapNotify] = unmapnotify,
1070                                 [VisibilityNotify] = visibilitynotify,
1071                                 [ClientMessage] = clientmessage,
1072 };
1073
1074 void
1075 sighdlr(int sig)
1076 {
1077         int                     saved_errno, status;
1078         pid_t                   pid;
1079
1080         saved_errno = errno;
1081
1082         switch (sig) {
1083         case SIGCHLD:
1084                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1085                         if (pid == -1) {
1086                                 if (errno == EINTR)
1087                                         continue;
1088 #ifdef SWM_DEBUG
1089                                 if (errno != ECHILD)
1090                                         warn("sighdlr: waitpid");
1091 #endif /* SWM_DEBUG */
1092                                 break;
1093                         }
1094                         if (pid == searchpid)
1095                                 search_resp = 1;
1096
1097 #ifdef SWM_DEBUG
1098                         if (WIFEXITED(status)) {
1099                                 if (WEXITSTATUS(status) != 0)
1100                                         warnx("sighdlr: child exit status: %d",
1101                                             WEXITSTATUS(status));
1102                         } else
1103                                 warnx("sighdlr: child is terminated "
1104                                     "abnormally");
1105 #endif /* SWM_DEBUG */
1106                 }
1107                 break;
1108
1109         case SIGHUP:
1110                 restart_wm = 1;
1111                 break;
1112         case SIGINT:
1113         case SIGTERM:
1114         case SIGQUIT:
1115                 running = 0;
1116                 break;
1117         }
1118
1119         errno = saved_errno;
1120 }
1121
1122 struct pid_e *
1123 find_pid(long pid)
1124 {
1125         struct pid_e            *p = NULL;
1126
1127         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1128
1129         if (pid == 0)
1130                 return (NULL);
1131
1132         TAILQ_FOREACH(p, &pidlist, entry) {
1133                 if (p->pid == pid)
1134                         return (p);
1135         }
1136
1137         return (NULL);
1138 }
1139
1140 unsigned long
1141 name_to_color(char *colorname)
1142 {
1143         Colormap                cmap;
1144         Status                  status;
1145         XColor                  screen_def, exact_def;
1146         unsigned long           result = 0;
1147         char                    cname[32] = "#";
1148
1149         cmap = DefaultColormap(display, screens[0].idx);
1150         status = XAllocNamedColor(display, cmap, colorname,
1151             &screen_def, &exact_def);
1152         if (!status) {
1153                 strlcat(cname, colorname + 2, sizeof cname - 1);
1154                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1155                     &exact_def);
1156         }
1157         if (status)
1158                 result = screen_def.pixel;
1159         else
1160                 fprintf(stderr, "color '%s' not found.\n", colorname);
1161
1162         return (result);
1163 }
1164
1165 void
1166 setscreencolor(char *val, int i, int c)
1167 {
1168         if (i > 0 && i <= ScreenCount(display)) {
1169                 screens[i - 1].c[c].color = name_to_color(val);
1170                 free(screens[i - 1].c[c].name);
1171                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1172                         err(1, "strdup");
1173         } else if (i == -1) {
1174                 for (i = 0; i < ScreenCount(display); i++) {
1175                         screens[i].c[c].color = name_to_color(val);
1176                         free(screens[i].c[c].name);
1177                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1178                                 err(1, "strdup");
1179                 }
1180         } else
1181                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1182                     i, ScreenCount(display));
1183 }
1184
1185 void
1186 fancy_stacker(struct workspace *ws)
1187 {
1188         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1189         if (ws->cur_layout->l_stack == vertical_stack)
1190                 snprintf(ws->stacker, sizeof ws->stacker, "[%d|%d]",
1191                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1192         if (ws->cur_layout->l_stack == horizontal_stack)
1193                 snprintf(ws->stacker, sizeof ws->stacker, "[%d-%d]",
1194                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1195 }
1196
1197 void
1198 plain_stacker(struct workspace *ws)
1199 {
1200         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1201         if (ws->cur_layout->l_stack == vertical_stack)
1202                 strlcpy(ws->stacker, "[|]", sizeof ws->stacker);
1203         if (ws->cur_layout->l_stack == horizontal_stack)
1204                 strlcpy(ws->stacker, "[-]", sizeof ws->stacker);
1205 }
1206
1207 void
1208 custom_region(char *val)
1209 {
1210         unsigned int                    sidx, x, y, w, h;
1211
1212         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1213                 errx(1, "invalid custom region, "
1214                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1215         if (sidx < 1 || sidx > ScreenCount(display))
1216                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1217                     sidx, ScreenCount(display));
1218         sidx--;
1219
1220         if (w < 1 || h < 1)
1221                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1222
1223         if (x > DisplayWidth(display, sidx) ||
1224             y > DisplayHeight(display, sidx) ||
1225             w + x > DisplayWidth(display, sidx) ||
1226             h + y > DisplayHeight(display, sidx)) {
1227                 fprintf(stderr, "ignoring region %ux%u+%u+%u "
1228                     "- not within screen boundaries "
1229                     "(%ux%u)\n", w, h, x, y,
1230                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1231                 return;
1232         }
1233
1234         new_region(&screens[sidx], x, y, w, h);
1235 }
1236
1237 void
1238 socket_setnonblock(int fd)
1239 {
1240         int                     flags;
1241
1242         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1243                 err(1, "fcntl F_GETFL");
1244         flags |= O_NONBLOCK;
1245         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1246                 err(1, "fcntl F_SETFL");
1247 }
1248
1249 void
1250 bar_print(struct swm_region *r, char *s)
1251 {
1252         int                     textwidth, x = 0;
1253         size_t          len;
1254
1255         XClearWindow(display, r->bar_window);
1256         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
1257
1258         len = strlen(s);
1259         textwidth = XTextWidth(bar_fs, s, len);
1260
1261         switch (bar_justify) {
1262         case SWM_BAR_JUSTIFY_LEFT:
1263                 x = SWM_BAR_OFFSET;
1264                 break;
1265         case SWM_BAR_JUSTIFY_CENTER:
1266                 x = (WIDTH(r) - textwidth) / 2;
1267                 break;
1268         case SWM_BAR_JUSTIFY_RIGHT:
1269                 x = WIDTH(r) - textwidth - SWM_BAR_OFFSET;
1270                 break;
1271         }
1272
1273         if (x < SWM_BAR_OFFSET)
1274                 x = SWM_BAR_OFFSET;
1275
1276         XDrawString(display, r->bar_window, bar_gc, x, bar_fs->ascent, s, len);
1277 }
1278
1279 void
1280 bar_extra_stop(void)
1281 {
1282         if (bar_pipe[0]) {
1283                 close(bar_pipe[0]);
1284                 bzero(bar_pipe, sizeof bar_pipe);
1285         }
1286         if (bar_pid) {
1287                 kill(bar_pid, SIGTERM);
1288                 bar_pid = 0;
1289         }
1290         strlcpy(bar_ext, "", sizeof bar_ext);
1291         bar_extra = 0;
1292 }
1293
1294 void
1295 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1296 {
1297         int                     do_class, do_name;
1298         Status                  status;
1299         XClassHint              *xch = NULL;
1300
1301         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1302             cur_focus != NULL) {
1303                 if ((xch = XAllocClassHint()) == NULL)
1304                         goto out;
1305                 status = XGetClassHint(display, cur_focus->id, xch);
1306                 if (status == BadWindow || status == BadAlloc)
1307                         goto out;
1308                 do_class = (title_class_enabled && xch->res_class != NULL);
1309                 do_name = (title_name_enabled && xch->res_name != NULL);
1310                 if (do_class)
1311                         strlcat(s, xch->res_class, sz);
1312                 if (do_class && do_name)
1313                         strlcat(s, ":", sz);
1314                 if (do_name)
1315                         strlcat(s, xch->res_name, sz);
1316                 strlcat(s, "    ", sz);
1317         }
1318 out:
1319         if (xch)
1320                 XFree(xch);
1321 }
1322
1323 void
1324 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1325 {
1326         char                    *title;
1327
1328         if (window_name_enabled && cur_focus != NULL) {
1329                 XFetchName(display, cur_focus->id, &title);
1330                 if (title) {
1331                         if (cur_focus->floating)
1332                                 strlcat(s, "(f) ", sz);
1333                         strlcat(s, title, sz);
1334                         strlcat(s, " ", sz);
1335                         XFree(title);
1336                 }
1337         }
1338 }
1339
1340 int             urgent[SWM_WS_MAX];
1341 void
1342 bar_urgent(char *s, ssize_t sz)
1343 {
1344         XWMHints                *wmh = NULL;
1345         struct ws_win           *win;
1346         int                     i, j;
1347         char                    b[8];
1348
1349         if (urgent_enabled == 0)
1350                 return;
1351
1352         for (i = 0; i < SWM_WS_MAX; i++)
1353                 urgent[i] = 0;
1354
1355         for (i = 0; i < ScreenCount(display); i++)
1356                 for (j = 0; j < SWM_WS_MAX; j++)
1357                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1358                                 wmh = XGetWMHints(display, win->id);
1359                                 if (wmh == NULL)
1360                                         continue;
1361
1362                                 if (wmh->flags & XUrgencyHint)
1363                                         urgent[j] = 1;
1364                                 XFree(wmh);
1365                         }
1366
1367         strlcat(s, "* ", sz);
1368         for (i = 0; i < SWM_WS_MAX; i++) {
1369                 if (urgent[i])
1370                         snprintf(b, sizeof b, "%d ", i + 1);
1371                 else
1372                         snprintf(b, sizeof b, "- ");
1373                 strlcat(s, b, sz);
1374         }
1375         strlcat(s, "*    ", sz);
1376 }
1377
1378 void
1379 bar_update(void)
1380 {
1381         time_t                  tmt;
1382         struct tm               tm;
1383         struct swm_region       *r;
1384         int                     i, x;
1385         size_t                  len;
1386         char                    ws[SWM_BAR_MAX];
1387         char                    s[SWM_BAR_MAX];
1388         char                    cn[SWM_BAR_MAX];
1389         char                    loc[SWM_BAR_MAX];
1390         char                    *b, *stack = "";
1391
1392         if (bar_enabled == 0)
1393                 return;
1394         if (bar_extra && bar_extra_running) {
1395                 /* ignore short reads; it'll correct itself */
1396                 while ((b = fgetln(stdin, &len)) != NULL)
1397                         if (b && b[len - 1] == '\n') {
1398                                 b[len - 1] = '\0';
1399                                 strlcpy(bar_ext, b, sizeof bar_ext);
1400                         }
1401                 if (b == NULL && errno != EAGAIN) {
1402                         fprintf(stderr, "bar_update: bar_extra failed: "
1403                             "errno: %d %s\n", errno, strerror(errno));
1404                         bar_extra_stop();
1405                 }
1406         } else
1407                 strlcpy(bar_ext, "", sizeof bar_ext);
1408
1409         if (clock_enabled == 0)
1410                 strlcpy(s, "", sizeof s);
1411         else {
1412                 time(&tmt);
1413                 localtime_r(&tmt, &tm);
1414                 strftime(s, sizeof s, clock_format, &tm);
1415                 strlcat(s, "    ", sizeof s);
1416         }
1417
1418         for (i = 0; i < ScreenCount(display); i++) {
1419                 x = 1;
1420                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1421                         strlcpy(cn, "", sizeof cn);
1422                         strlcpy(ws, "", sizeof ws);
1423                         if (r && r->ws) {
1424                                 bar_urgent(cn, sizeof cn);
1425                                 bar_class_name(cn, sizeof cn, r->ws->focus);
1426                                 bar_window_name(cn, sizeof cn, r->ws->focus);
1427                                 if (r->ws->name)
1428                                         snprintf(ws, sizeof ws, "<%s>",
1429                                             r->ws->name);
1430                         }
1431                         if (stack_enabled)
1432                                 stack = r->ws->stacker;
1433
1434                         snprintf(loc, sizeof loc, "%d:%d %s %s   %s%s    %s    "
1435                             "%s", x++, r->ws->idx + 1, stack, ws, s, cn,
1436                             bar_ext, bar_vertext);
1437                         bar_print(r, loc);
1438                 }
1439         }
1440         alarm(bar_delay);
1441 }
1442
1443 void
1444 bar_signal(int sig)
1445 {
1446         bar_alarm = 1;
1447 }
1448
1449 void
1450 bar_toggle(struct swm_region *r, union arg *args)
1451 {
1452         struct swm_region       *tmpr;
1453         int                     i, sc = ScreenCount(display);
1454
1455         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
1456
1457         if (bar_enabled)
1458                 for (i = 0; i < sc; i++)
1459                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1460                                 XUnmapWindow(display, tmpr->bar_window);
1461         else
1462                 for (i = 0; i < sc; i++)
1463                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1464                                 XMapRaised(display, tmpr->bar_window);
1465
1466         bar_enabled = !bar_enabled;
1467
1468         stack();
1469         /* must be after stack */
1470         bar_update();
1471 }
1472
1473 void
1474 bar_refresh(void)
1475 {
1476         XSetWindowAttributes    wa;
1477         struct swm_region       *r;
1478         int                     i;
1479
1480         /* do this here because the conf file is in memory */
1481         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1482                 /* launch external status app */
1483                 bar_extra_running = 1;
1484                 if (pipe(bar_pipe) == -1)
1485                         err(1, "pipe error");
1486                 socket_setnonblock(bar_pipe[0]);
1487                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1488                 if (dup2(bar_pipe[0], 0) == -1)
1489                         err(1, "dup2");
1490                 if (dup2(bar_pipe[1], 1) == -1)
1491                         err(1, "dup2");
1492                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1493                         err(1, "could not disable SIGPIPE");
1494                 switch (bar_pid = fork()) {
1495                 case -1:
1496                         err(1, "cannot fork");
1497                         break;
1498                 case 0: /* child */
1499                         close(bar_pipe[0]);
1500                         execvp(bar_argv[0], bar_argv);
1501                         err(1, "%s external app failed", bar_argv[0]);
1502                         break;
1503                 default: /* parent */
1504                         close(bar_pipe[1]);
1505                         break;
1506                 }
1507         }
1508
1509         bzero(&wa, sizeof wa);
1510         for (i = 0; i < ScreenCount(display); i++)
1511                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1512                         wa.border_pixel =
1513                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1514                         wa.background_pixel =
1515                             screens[i].c[SWM_S_COLOR_BAR].color;
1516                         XChangeWindowAttributes(display, r->bar_window,
1517                             CWBackPixel | CWBorderPixel, &wa);
1518                 }
1519         bar_update();
1520 }
1521
1522 void
1523 bar_setup(struct swm_region *r)
1524 {
1525         int                     i, x, y;
1526
1527         if (bar_fs) {
1528                 XFreeFont(display, bar_fs);
1529                 bar_fs = NULL;
1530         }
1531
1532         for (i = 0; bar_fonts[i] != NULL; i++) {
1533                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
1534                 if (bar_fs) {
1535                         bar_fidx = i;
1536                         break;
1537                 }
1538         }
1539         if (bar_fonts[i] == NULL)
1540                 errx(1, "couldn't load font");
1541         if (bar_fs == NULL)
1542                 errx(1, "couldn't create font structure");
1543
1544         bar_height = bar_fs->ascent + bar_fs->descent + 1 +
1545             2 * bar_border_width;
1546         x = X(r);
1547         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1548
1549         r->bar_window = XCreateSimpleWindow(display,
1550             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1551             bar_height - 2 * bar_border_width,
1552             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1553             r->s->c[SWM_S_COLOR_BAR].color);
1554         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
1555         XSetFont(display, bar_gc, bar_fs->fid);
1556         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1557         if (bar_enabled)
1558                 XMapRaised(display, r->bar_window);
1559         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window: 0x%lx\n", r->bar_window);
1560
1561         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1562                 err(1, "could not install bar_signal");
1563         bar_refresh();
1564 }
1565
1566 void
1567 drain_enter_notify(void)
1568 {
1569         int                     i = 0;
1570         XEvent                  cne;
1571
1572         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1573                 i++;
1574
1575         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained: %d\n", i);
1576 }
1577
1578 void
1579 set_win_state(struct ws_win *win, long state)
1580 {
1581         long                    data[] = {state, None};
1582
1583         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%lx\n", win->id);
1584
1585         if (win == NULL)
1586                 return;
1587
1588         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1589             (unsigned char *)data, 2);
1590 }
1591
1592 long
1593 getstate(Window w)
1594 {
1595         long                    result = -1;
1596         unsigned char           *p = NULL;
1597         unsigned long           n;
1598
1599         if (!get_property(w, astate, 2L, astate, &n, &p))
1600                 return (-1);
1601         if (n != 0)
1602                 result = *((long *)p);
1603         XFree(p);
1604         return (result);
1605 }
1606
1607 void
1608 version(struct swm_region *r, union arg *args)
1609 {
1610         bar_version = !bar_version;
1611         if (bar_version)
1612                 snprintf(bar_vertext, sizeof bar_vertext,
1613                     "Version: %s Build: %s", SCROTWM_VERSION, buildstr);
1614         else
1615                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1616         bar_update();
1617 }
1618
1619 void
1620 client_msg(struct ws_win *win, Atom a)
1621 {
1622         XClientMessageEvent     cm;
1623
1624         if (win == NULL)
1625                 return;
1626
1627         bzero(&cm, sizeof cm);
1628         cm.type = ClientMessage;
1629         cm.window = win->id;
1630         cm.message_type = aprot;
1631         cm.format = 32;
1632         cm.data.l[0] = a;
1633         cm.data.l[1] = CurrentTime;
1634         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1635 }
1636
1637 /* synthetic response to a ConfigureRequest when not making a change */
1638 void
1639 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1640 {
1641         XConfigureEvent         ce;
1642
1643         if (win == NULL)
1644                 return;
1645
1646         /* send notification of unchanged state. */
1647         ce.type = ConfigureNotify;
1648         ce.x = X(win);
1649         ce.y = Y(win);
1650         ce.width = WIDTH(win);
1651         ce.height = HEIGHT(win);
1652         ce.override_redirect = False;
1653
1654         if (ev == NULL) {
1655                 /* EWMH */
1656                 ce.display = display;
1657                 ce.event = win->id;
1658                 ce.window = win->id;
1659                 ce.border_width = border_width;
1660                 ce.above = None;
1661         } else {
1662                 /* normal */
1663                 ce.display = ev->display;
1664                 ce.event = ev->window;
1665                 ce.window = ev->window;
1666                 /* adjust x and y for requested border_width. */
1667                 ce.x += border_width - ev->border_width;
1668                 ce.y += border_width - ev->border_width;
1669                 ce.border_width = ev->border_width;
1670                 ce.above = ev->above;
1671         }
1672
1673         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
1674             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
1675             ce.y, ce.width, ce.height, ce.border_width);
1676
1677         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1678 }
1679
1680 int
1681 count_win(struct workspace *ws, int count_transient)
1682 {
1683         struct ws_win           *win;
1684         int                     count = 0;
1685
1686         TAILQ_FOREACH(win, &ws->winlist, entry) {
1687                 if (count_transient == 0 && win->floating)
1688                         continue;
1689                 if (count_transient == 0 && win->transient)
1690                         continue;
1691                 if (win->iconic)
1692                         continue;
1693                 count++;
1694         }
1695         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1696
1697         return (count);
1698 }
1699
1700 void
1701 quit(struct swm_region *r, union arg *args)
1702 {
1703         DNPRINTF(SWM_D_MISC, "quit\n");
1704         running = 0;
1705 }
1706
1707 void
1708 unmap_window(struct ws_win *win)
1709 {
1710         if (win == NULL)
1711                 return;
1712
1713         /* don't unmap again */
1714         if (getstate(win->id) == IconicState)
1715                 return;
1716
1717         set_win_state(win, IconicState);
1718
1719         XUnmapWindow(display, win->id);
1720         XSetWindowBorder(display, win->id,
1721             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1722 }
1723
1724 void
1725 unmap_all(void)
1726 {
1727         struct ws_win           *win;
1728         int                     i, j;
1729
1730         for (i = 0; i < ScreenCount(display); i++)
1731                 for (j = 0; j < SWM_WS_MAX; j++)
1732                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1733                                 unmap_window(win);
1734 }
1735
1736 void
1737 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1738 {
1739         XKeyEvent event;
1740
1741         if (win == NULL)
1742                 return;
1743
1744         event.display = display;        /* Ignored, but what the hell */
1745         event.window = win->id;
1746         event.root = win->s->root;
1747         event.subwindow = None;
1748         event.time = CurrentTime;
1749         event.x = X(win);
1750         event.y = Y(win);
1751         event.x_root = 1;
1752         event.y_root = 1;
1753         event.same_screen = True;
1754         event.keycode = XKeysymToKeycode(display, keysym);
1755         event.state = modifiers;
1756
1757         event.type = KeyPress;
1758         XSendEvent(event.display, event.window, True,
1759             KeyPressMask, (XEvent *)&event);
1760
1761         event.type = KeyRelease;
1762         XSendEvent(event.display, event.window, True,
1763             KeyPressMask, (XEvent *)&event);
1764
1765 }
1766
1767 void
1768 restart(struct swm_region *r, union arg *args)
1769 {
1770         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1771
1772         /* disable alarm because the following code may not be interrupted */
1773         alarm(0);
1774         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1775                 err(1, "can't disable alarm");
1776
1777         bar_extra_stop();
1778         bar_extra = 1;
1779         unmap_all();
1780         XCloseDisplay(display);
1781         execvp(start_argv[0], start_argv);
1782         fprintf(stderr, "execvp failed\n");
1783         perror(" failed");
1784         quit(NULL, NULL);
1785 }
1786
1787 struct swm_region *
1788 root_to_region(Window root)
1789 {
1790         struct swm_region       *r = NULL;
1791         Window                  rr, cr;
1792         int                     i, x, y, wx, wy;
1793         unsigned int            mask;
1794
1795         for (i = 0; i < ScreenCount(display); i++)
1796                 if (screens[i].root == root)
1797                         break;
1798
1799         if (XQueryPointer(display, screens[i].root,
1800             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1801                 /* choose a region based on pointer location */
1802                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1803                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1804                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1805                                 break;
1806         }
1807
1808         if (r == NULL)
1809                 r = TAILQ_FIRST(&screens[i].rl);
1810
1811         return (r);
1812 }
1813
1814 struct ws_win *
1815 find_unmanaged_window(Window id)
1816 {
1817         struct ws_win           *win;
1818         int                     i, j;
1819
1820         for (i = 0; i < ScreenCount(display); i++)
1821                 for (j = 0; j < SWM_WS_MAX; j++)
1822                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1823                             entry)
1824                                 if (id == win->id)
1825                                         return (win);
1826         return (NULL);
1827 }
1828
1829 struct ws_win *
1830 find_window(Window id)
1831 {
1832         struct ws_win           *win;
1833         Window                  wrr, wpr, *wcr = NULL;
1834         int                     i, j;
1835         unsigned int            nc;
1836
1837         for (i = 0; i < ScreenCount(display); i++)
1838                 for (j = 0; j < SWM_WS_MAX; j++)
1839                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1840                                 if (id == win->id)
1841                                         return (win);
1842
1843         /* if we were looking for the parent return that window instead */
1844         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1845                 return (NULL);
1846         if (wcr)
1847                 XFree(wcr);
1848
1849         /* ignore not found and root */
1850         if (wpr == 0 || wrr == wpr)
1851                 return (NULL);
1852
1853         /* look for parent */
1854         for (i = 0; i < ScreenCount(display); i++)
1855                 for (j = 0; j < SWM_WS_MAX; j++)
1856                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1857                                 if (wpr == win->id)
1858                                         return (win);
1859
1860         return (NULL);
1861 }
1862
1863 void
1864 spawn(int ws_idx, union arg *args, int close_fd)
1865 {
1866         int                     fd;
1867         char                    *ret = NULL;
1868
1869         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1870
1871         if (display)
1872                 close(ConnectionNumber(display));
1873
1874         setenv("LD_PRELOAD", SWM_LIB, 1);
1875
1876         if (asprintf(&ret, "%d", ws_idx) == -1) {
1877                 perror("_SWM_WS");
1878                 _exit(1);
1879         }
1880         setenv("_SWM_WS", ret, 1);
1881         free(ret);
1882         ret = NULL;
1883
1884         if (asprintf(&ret, "%d", getpid()) == -1) {
1885                 perror("_SWM_PID");
1886                 _exit(1);
1887         }
1888         setenv("_SWM_PID", ret, 1);
1889         free(ret);
1890         ret = NULL;
1891
1892         if (setsid() == -1) {
1893                 perror("setsid");
1894                 _exit(1);
1895         }
1896
1897         if (close_fd) {
1898                 /*
1899                  * close stdin and stdout to prevent interaction between apps
1900                  * and the baraction script
1901                  * leave stderr open to record errors
1902                 */
1903                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1904                         perror("open");
1905                         _exit(1);
1906                 }
1907                 dup2(fd, STDIN_FILENO);
1908                 dup2(fd, STDOUT_FILENO);
1909                 if (fd > 2)
1910                         close(fd);
1911         }
1912
1913         execvp(args->argv[0], args->argv);
1914
1915         perror("execvp");
1916         _exit(1);
1917 }
1918
1919 void
1920 spawnterm(struct swm_region *r, union arg *args)
1921 {
1922         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1923
1924         if (fork() == 0) {
1925                 if (term_width)
1926                         setenv("_SWM_XTERM_FONTADJ", "", 1);
1927                 spawn(r->ws->idx, args, 1);
1928         }
1929 }
1930
1931 void
1932 kill_refs(struct ws_win *win)
1933 {
1934         int                     i, x;
1935         struct swm_region       *r;
1936         struct workspace        *ws;
1937
1938         if (win == NULL)
1939                 return;
1940
1941         for (i = 0; i < ScreenCount(display); i++)
1942                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1943                         for (x = 0; x < SWM_WS_MAX; x++) {
1944                                 ws = &r->s->ws[x];
1945                                 if (win == ws->focus)
1946                                         ws->focus = NULL;
1947                                 if (win == ws->focus_prev)
1948                                         ws->focus_prev = NULL;
1949                         }
1950 }
1951
1952 int
1953 validate_win(struct ws_win *testwin)
1954 {
1955         struct ws_win           *win;
1956         struct workspace        *ws;
1957         struct swm_region       *r;
1958         int                     i, x;
1959
1960         if (testwin == NULL)
1961                 return (0);
1962
1963         for (i = 0; i < ScreenCount(display); i++)
1964                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1965                         for (x = 0; x < SWM_WS_MAX; x++) {
1966                                 ws = &r->s->ws[x];
1967                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1968                                         if (win == testwin)
1969                                                 return (0);
1970                         }
1971         return (1);
1972 }
1973
1974 int
1975 validate_ws(struct workspace *testws)
1976 {
1977         struct swm_region       *r;
1978         struct workspace        *ws;
1979         int                     i, x;
1980
1981         /* validate all ws */
1982         for (i = 0; i < ScreenCount(display); i++)
1983                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1984                         for (x = 0; x < SWM_WS_MAX; x++) {
1985                                 ws = &r->s->ws[x];
1986                                 if (ws == testws)
1987                                         return (0);
1988                         }
1989         return (1);
1990 }
1991
1992 void
1993 unfocus_win(struct ws_win *win)
1994 {
1995         XEvent                  cne;
1996         Window                  none = None;
1997
1998         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
1999
2000         if (win == NULL)
2001                 return;
2002         if (win->ws == NULL)
2003                 return;
2004
2005         if (validate_ws(win->ws))
2006                 return; /* XXX this gets hit with thunderbird, needs fixing */
2007
2008         if (win->ws->r == NULL)
2009                 return;
2010
2011         if (validate_win(win)) {
2012                 kill_refs(win);
2013                 return;
2014         }
2015
2016         if (win->ws->focus == win) {
2017                 win->ws->focus = NULL;
2018                 win->ws->focus_prev = win;
2019         }
2020
2021         if (validate_win(win->ws->focus)) {
2022                 kill_refs(win->ws->focus);
2023                 win->ws->focus = NULL;
2024         }
2025         if (validate_win(win->ws->focus_prev)) {
2026                 kill_refs(win->ws->focus_prev);
2027                 win->ws->focus_prev = NULL;
2028         }
2029
2030         /* drain all previous unfocus events */
2031         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2032                 ;
2033
2034         grabbuttons(win, 0);
2035         XSetWindowBorder(display, win->id,
2036             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2037
2038         XChangeProperty(display, win->s->root,
2039             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2040             PropModeReplace, (unsigned char *)&none,1);
2041 }
2042
2043 void
2044 unfocus_all(void)
2045 {
2046         struct ws_win           *win;
2047         int                     i, j;
2048
2049         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2050
2051         for (i = 0; i < ScreenCount(display); i++)
2052                 for (j = 0; j < SWM_WS_MAX; j++)
2053                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2054                                 unfocus_win(win);
2055 }
2056
2057 void
2058 focus_win(struct ws_win *win)
2059 {
2060         XEvent                  cne;
2061         Window                  cur_focus;
2062         int                     rr;
2063         struct ws_win           *cfw = NULL;
2064
2065
2066         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2067
2068         if (win == NULL)
2069                 return;
2070         if (win->ws == NULL)
2071                 return;
2072
2073         if (validate_ws(win->ws))
2074                 return; /* XXX this gets hit with thunderbird, needs fixing */
2075
2076         if (validate_win(win)) {
2077                 kill_refs(win);
2078                 return;
2079         }
2080
2081         if (validate_win(win)) {
2082                 kill_refs(win);
2083                 return;
2084         }
2085
2086         XGetInputFocus(display, &cur_focus, &rr);
2087         if ((cfw = find_window(cur_focus)) != NULL)
2088                 unfocus_win(cfw);
2089         else {
2090                 /* use larger hammer since the window was killed somehow */
2091                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2092                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2093                                 XSetWindowBorder(display, cfw->id,
2094                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2095         }
2096
2097         win->ws->focus = win;
2098
2099         if (win->ws->r != NULL) {
2100                 /* drain all previous focus events */
2101                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2102                         ;
2103
2104                 if (win->java == 0)
2105                         XSetInputFocus(display, win->id,
2106                             RevertToParent, CurrentTime);
2107                 grabbuttons(win, 1);
2108                 XSetWindowBorder(display, win->id,
2109                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2110                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2111                     win->ws->always_raise)
2112                         XMapRaised(display, win->id);
2113
2114                 XChangeProperty(display, win->s->root,
2115                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2116                     PropModeReplace, (unsigned char *)&win->id,1);
2117         }
2118
2119         if (window_name_enabled)
2120                 bar_update();
2121 }
2122
2123 void
2124 switchws(struct swm_region *r, union arg *args)
2125 {
2126         int                     wsid = args->id, unmap_old = 0;
2127         struct swm_region       *this_r, *other_r;
2128         struct ws_win           *win;
2129         struct workspace        *new_ws, *old_ws;
2130         union arg               a;
2131
2132         if (!(r && r->s))
2133                 return;
2134
2135         this_r = r;
2136         old_ws = this_r->ws;
2137         new_ws = &this_r->s->ws[wsid];
2138
2139         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2140             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2141
2142         if (new_ws == NULL || old_ws == NULL)
2143                 return;
2144         if (new_ws == old_ws)
2145                 return;
2146
2147         other_r = new_ws->r;
2148         if (other_r == NULL) {
2149                 /* the other workspace is hidden, hide this one */
2150                 old_ws->r = NULL;
2151                 unmap_old = 1;
2152         } else {
2153                 /* the other ws is visible in another region, exchange them */
2154                 other_r->ws_prior = new_ws;
2155                 other_r->ws = old_ws;
2156                 old_ws->r = other_r;
2157         }
2158         this_r->ws_prior = old_ws;
2159         this_r->ws = new_ws;
2160         new_ws->r = this_r;
2161
2162         /* this is needed so that we can click on a window after a restart */
2163         unfocus_all();
2164
2165         stack();
2166         a.id = SWM_ARG_ID_FOCUSCUR;
2167         focus(new_ws->r, &a);
2168
2169         bar_update();
2170
2171         /* unmap old windows */
2172         if (unmap_old)
2173                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2174                         unmap_window(win);
2175
2176         if (focus_mode == SWM_FOCUS_DEFAULT)
2177                 drain_enter_notify();
2178 }
2179
2180 void
2181 cyclews(struct swm_region *r, union arg *args)
2182 {
2183         union                   arg a;
2184         struct swm_screen       *s = r->s;
2185         int                     cycle_all = 0;
2186
2187         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2188             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2189
2190         a.id = r->ws->idx;
2191         do {
2192                 switch (args->id) {
2193                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2194                         cycle_all = 1;
2195                         /* FALLTHROUGH */
2196                 case SWM_ARG_ID_CYCLEWS_UP:
2197                         if (a.id < SWM_WS_MAX - 1)
2198                                 a.id++;
2199                         else
2200                                 a.id = 0;
2201                         break;
2202                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2203                         cycle_all = 1;
2204                         /* FALLTHROUGH */
2205                 case SWM_ARG_ID_CYCLEWS_DOWN:
2206                         if (a.id > 0)
2207                                 a.id--;
2208                         else
2209                                 a.id = SWM_WS_MAX - 1;
2210                         break;
2211                 default:
2212                         return;
2213                 };
2214
2215                 if (!cycle_all &&
2216                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2217                         continue;
2218                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2219                         continue;
2220
2221                 switchws(r, &a);
2222         } while (a.id != r->ws->idx);
2223 }
2224
2225 void
2226 priorws(struct swm_region *r, union arg *args)
2227 {
2228         union arg               a;
2229
2230         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2231             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2232
2233         if (r->ws_prior == NULL)
2234                 return;
2235
2236         a.id = r->ws_prior->idx;
2237         switchws(r, &a);
2238 }
2239
2240 void
2241 cyclescr(struct swm_region *r, union arg *args)
2242 {
2243         struct swm_region       *rr = NULL;
2244         union arg               a;
2245         int                     i, x, y;
2246
2247         /* do nothing if we don't have more than one screen */
2248         if (!(ScreenCount(display) > 1 || outputs > 1))
2249                 return;
2250
2251         i = r->s->idx;
2252         switch (args->id) {
2253         case SWM_ARG_ID_CYCLESC_UP:
2254                 rr = TAILQ_NEXT(r, entry);
2255                 if (rr == NULL)
2256                         rr = TAILQ_FIRST(&screens[i].rl);
2257                 break;
2258         case SWM_ARG_ID_CYCLESC_DOWN:
2259                 rr = TAILQ_PREV(r, swm_region_list, entry);
2260                 if (rr == NULL)
2261                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2262                 break;
2263         default:
2264                 return;
2265         };
2266         if (rr == NULL)
2267                 return;
2268
2269         /* move mouse to region */
2270         x = X(rr) + 1;
2271         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2272         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2273
2274         a.id = SWM_ARG_ID_FOCUSCUR;
2275         focus(rr, &a);
2276
2277         if (rr->ws->focus) {
2278                 /* move to focus window */
2279                 x = X(rr->ws->focus) + 1;
2280                 y = Y(rr->ws->focus) + 1;
2281                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2282         }
2283 }
2284
2285 void
2286 sort_windows(struct ws_win_list *wl)
2287 {
2288         struct ws_win           *win, *parent, *nxt;
2289
2290         if (wl == NULL)
2291                 return;
2292
2293         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2294                 nxt = TAILQ_NEXT(win, entry);
2295                 if (win->transient) {
2296                         parent = find_window(win->transient);
2297                         if (parent == NULL) {
2298                                 fprintf(stderr, "not possible bug\n");
2299                                 continue;
2300                         }
2301                         TAILQ_REMOVE(wl, win, entry);
2302                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2303                 }
2304         }
2305
2306 }
2307
2308 void
2309 swapwin(struct swm_region *r, union arg *args)
2310 {
2311         struct ws_win           *target, *source;
2312         struct ws_win           *cur_focus;
2313         struct ws_win_list      *wl;
2314
2315
2316         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2317             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2318
2319         cur_focus = r->ws->focus;
2320         if (cur_focus == NULL)
2321                 return;
2322
2323         source = cur_focus;
2324         wl = &source->ws->winlist;
2325
2326         switch (args->id) {
2327         case SWM_ARG_ID_SWAPPREV:
2328                 if (source->transient)
2329                         source = find_window(source->transient);
2330                 target = TAILQ_PREV(source, ws_win_list, entry);
2331                 if (target && target->transient)
2332                         target = find_window(target->transient);
2333                 TAILQ_REMOVE(wl, source, entry);
2334                 if (target == NULL)
2335                         TAILQ_INSERT_TAIL(wl, source, entry);
2336                 else
2337                         TAILQ_INSERT_BEFORE(target, source, entry);
2338                 break;
2339         case SWM_ARG_ID_SWAPNEXT:
2340                 target = TAILQ_NEXT(source, entry);
2341                 /* move the parent and let the sort handle the move */
2342                 if (source->transient)
2343                         source = find_window(source->transient);
2344                 TAILQ_REMOVE(wl, source, entry);
2345                 if (target == NULL)
2346                         TAILQ_INSERT_HEAD(wl, source, entry);
2347                 else
2348                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2349                 break;
2350         case SWM_ARG_ID_SWAPMAIN:
2351                 target = TAILQ_FIRST(wl);
2352                 if (target == source) {
2353                         if (source->ws->focus_prev != NULL &&
2354                             source->ws->focus_prev != target)
2355
2356                                 source = source->ws->focus_prev;
2357                         else
2358                                 return;
2359                 }
2360                 if (target == NULL || source == NULL)
2361                         return;
2362                 source->ws->focus_prev = target;
2363                 TAILQ_REMOVE(wl, target, entry);
2364                 TAILQ_INSERT_BEFORE(source, target, entry);
2365                 TAILQ_REMOVE(wl, source, entry);
2366                 TAILQ_INSERT_HEAD(wl, source, entry);
2367                 break;
2368         case SWM_ARG_ID_MOVELAST:
2369                 TAILQ_REMOVE(wl, source, entry);
2370                 TAILQ_INSERT_TAIL(wl, source, entry);
2371                 break;
2372         default:
2373                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2374                 return;
2375         }
2376
2377         sort_windows(wl);
2378
2379         stack();
2380 }
2381
2382 void
2383 focus_prev(struct ws_win *win)
2384 {
2385         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2386         struct ws_win           *cur_focus = NULL;
2387         struct ws_win_list      *wl = NULL;
2388         struct workspace        *ws = NULL;
2389
2390         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx\n", WINID(win));
2391
2392         if (!(win && win->ws))
2393                 return;
2394
2395         ws = win->ws;
2396         wl = &ws->winlist;
2397         cur_focus = ws->focus;
2398         winlostfocus = cur_focus;
2399
2400         /* pickle, just focus on whatever */
2401         if (cur_focus == NULL) {
2402                 /* use prev_focus if valid */
2403                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2404                     find_window(WINID(ws->focus_prev)))
2405                         winfocus = ws->focus_prev;
2406                 if (winfocus == NULL)
2407                         winfocus = TAILQ_FIRST(wl);
2408                 goto done;
2409         }
2410
2411         /* if transient focus on parent */
2412         if (cur_focus->transient) {
2413                 winfocus = find_window(cur_focus->transient);
2414                 goto done;
2415         }
2416
2417         /* if in max_stack try harder */
2418         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2419             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2420                 if (cur_focus != ws->focus_prev)
2421                         winfocus = ws->focus_prev;
2422                 else if (cur_focus != ws->focus)
2423                         winfocus = ws->focus;
2424                 else
2425                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2426                 if (winfocus)
2427                         goto done;
2428         }
2429
2430         if (cur_focus == win)
2431                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2432         if (winfocus == NULL)
2433                 winfocus = TAILQ_LAST(wl, ws_win_list);
2434         if (winfocus == NULL || winfocus == win)
2435                 winfocus = TAILQ_NEXT(cur_focus, entry);
2436 done:
2437         if (winfocus == winlostfocus || winfocus == NULL) {
2438                 /* update the bar so that title/class/name will be cleared. */
2439                 if (window_name_enabled || title_name_enabled ||
2440                     title_class_enabled)
2441                         bar_update();
2442
2443                 return;
2444         }
2445
2446         focus_magic(winfocus);
2447 }
2448
2449 void
2450 focus(struct swm_region *r, union arg *args)
2451 {
2452         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2453         struct ws_win           *cur_focus = NULL;
2454         struct ws_win_list      *wl = NULL;
2455         struct workspace        *ws = NULL;
2456         int                     all_iconics;
2457
2458         if (!(r && r->ws))
2459                 return;
2460
2461         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2462
2463         /* treat FOCUS_CUR special */
2464         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2465                 if (r->ws->focus && r->ws->focus->iconic == 0)
2466                         winfocus = r->ws->focus;
2467                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2468                         winfocus = r->ws->focus_prev;
2469                 else
2470                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2471                                 if (winfocus->iconic == 0)
2472                                         break;
2473
2474                 focus_magic(winfocus);
2475                 return;
2476         }
2477
2478         if ((cur_focus = r->ws->focus) == NULL)
2479                 return;
2480         ws = r->ws;
2481         wl = &ws->winlist;
2482         if (TAILQ_EMPTY(wl))
2483                 return;
2484         /* make sure there is at least one uniconified window */
2485         all_iconics = 1;
2486         TAILQ_FOREACH(winfocus, wl, entry)
2487                 if (winfocus->iconic == 0) {
2488                         all_iconics = 0;
2489                         break;
2490                 }
2491         if (all_iconics)
2492                 return;
2493
2494         winlostfocus = cur_focus;
2495
2496         switch (args->id) {
2497         case SWM_ARG_ID_FOCUSPREV:
2498                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2499                 if (head == NULL)
2500                         head = TAILQ_LAST(wl, ws_win_list);
2501                 winfocus = head;
2502                 if (WINID(winfocus) == cur_focus->transient) {
2503                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2504                         if (head == NULL)
2505                                 head = TAILQ_LAST(wl, ws_win_list);
2506                         winfocus = head;
2507                 }
2508
2509                 /* skip iconics */
2510                 if (winfocus && winfocus->iconic) {
2511                         while (winfocus != cur_focus) {
2512                                 if (winfocus == NULL)
2513                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2514                                 if (winfocus->iconic == 0)
2515                                         break;
2516                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2517                                     entry);
2518                         }
2519                 }
2520                 break;
2521
2522         case SWM_ARG_ID_FOCUSNEXT:
2523                 head = TAILQ_NEXT(cur_focus, entry);
2524                 if (head == NULL)
2525                         head = TAILQ_FIRST(wl);
2526                 winfocus = head;
2527
2528                 /* skip iconics */
2529                 if (winfocus && winfocus->iconic) {
2530                         while (winfocus != cur_focus) {
2531                                 if (winfocus == NULL)
2532                                         winfocus = TAILQ_FIRST(wl);
2533                                 if (winfocus->iconic == 0)
2534                                         break;
2535                                 winfocus = TAILQ_NEXT(winfocus, entry);
2536                         }
2537                 }
2538                 break;
2539
2540         case SWM_ARG_ID_FOCUSMAIN:
2541                 winfocus = TAILQ_FIRST(wl);
2542                 if (winfocus == cur_focus)
2543                         winfocus = cur_focus->ws->focus_prev;
2544                 break;
2545
2546         default:
2547                 return;
2548         }
2549         if (winfocus == winlostfocus || winfocus == NULL) {
2550                 /* update the bar so that title/class/name will be cleared. */
2551                 if (window_name_enabled || title_name_enabled ||
2552                     title_class_enabled)
2553                         bar_update();
2554
2555                 return;
2556         }
2557
2558         focus_magic(winfocus);
2559 }
2560
2561 void
2562 cycle_layout(struct swm_region *r, union arg *args)
2563 {
2564         struct workspace        *ws = r->ws;
2565         union arg               a;
2566
2567         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2568
2569         ws->cur_layout++;
2570         if (ws->cur_layout->l_stack == NULL)
2571                 ws->cur_layout = &layouts[0];
2572
2573         stack();
2574         if (focus_mode == SWM_FOCUS_DEFAULT)
2575                 drain_enter_notify();
2576         a.id = SWM_ARG_ID_FOCUSCUR;
2577         focus(r, &a);
2578         bar_update();
2579 }
2580
2581 void
2582 stack_config(struct swm_region *r, union arg *args)
2583 {
2584         struct workspace        *ws = r->ws;
2585
2586         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
2587             args->id, ws->idx);
2588
2589         if (ws->cur_layout->l_config != NULL)
2590                 ws->cur_layout->l_config(ws, args->id);
2591
2592         if (args->id != SWM_ARG_ID_STACKINIT)
2593                 stack();
2594         bar_update();
2595 }
2596
2597 void
2598 stack(void) {
2599         struct swm_geometry     g;
2600         struct swm_region       *r;
2601         int                     i;
2602 #ifdef SWM_DEBUG
2603         int j;
2604 #endif
2605
2606         DNPRINTF(SWM_D_STACK, "stack: begin\n");
2607
2608         for (i = 0; i < ScreenCount(display); i++) {
2609 #ifdef SWM_DEBUG
2610                 j = 0;
2611 #endif
2612                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2613                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
2614                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
2615
2616                         /* start with screen geometry, adjust for bar */
2617                         g = r->g;
2618                         g.w -= 2 * border_width;
2619                         g.h -= 2 * border_width;
2620                         if (bar_enabled) {
2621                                 if (!bar_at_bottom)
2622                                         g.y += bar_height;
2623                                 g.h -= bar_height;
2624                         }
2625                         r->ws->cur_layout->l_stack(r->ws, &g);
2626                         r->ws->cur_layout->l_string(r->ws);
2627                         /* save r so we can track region changes */
2628                         r->ws->old_r = r;
2629                 }
2630         }
2631         if (font_adjusted)
2632                 font_adjusted--;
2633
2634         if (focus_mode == SWM_FOCUS_DEFAULT)
2635                 drain_enter_notify();
2636
2637         DNPRINTF(SWM_D_STACK, "stack: end\n");
2638 }
2639
2640 void
2641 store_float_geom(struct ws_win *win, struct swm_region *r)
2642 {
2643         /* retain window geom and region geom */
2644         win->g_float = win->g;
2645         win->rg_float = r->g;
2646         win->g_floatvalid = 1;
2647 }
2648
2649 void
2650 stack_floater(struct ws_win *win, struct swm_region *r)
2651 {
2652         unsigned int            mask;
2653         XWindowChanges          wc;
2654
2655         if (win == NULL)
2656                 return;
2657
2658         bzero(&wc, sizeof wc);
2659         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2660
2661         /*
2662          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2663          * geom on ws switches or return from max mode
2664          */
2665         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2666             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2667                 /*
2668                  * use stored g and rg to set relative position and size
2669                  * as in old region or before max stack mode
2670                  */
2671                 X(win) = win->g_float.x - win->rg_float.x + X(r);
2672                 Y(win) = win->g_float.y - win->rg_float.y + Y(r);
2673                 WIDTH(win) = win->g_float.w;
2674                 HEIGHT(win) = win->g_float.h;
2675                 win->g_floatvalid = 0;
2676         }
2677
2678         win->floatmaxed = 0;
2679
2680         if ((win->quirks & SWM_Q_FULLSCREEN) && (WIDTH(win) >= WIDTH(r)) &&
2681             (HEIGHT(win) >= HEIGHT(r)))
2682                 wc.border_width = 0;
2683         else
2684                 wc.border_width = border_width;
2685         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2686                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
2687                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
2688         }
2689
2690         if (!win->manual) {
2691                 /*
2692                  * floaters and transients are auto-centred unless moved
2693                  * or resized
2694                  */
2695                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - wc.border_width;
2696                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - wc.border_width;
2697         }
2698
2699         /* win can be outside r if new r smaller than old r */
2700         /* Ensure top left corner inside r (move probs otherwise) */
2701         if (X(win) < X(r) - wc.border_width)
2702                 X(win) = X(r) - wc.border_width;
2703         if (X(win) > X(r) + WIDTH(r) - 1)
2704                 X(win) = (WIDTH(win) > WIDTH(r)) ? X(r) :
2705                     (X(r) + WIDTH(r) - WIDTH(win) - 2 * wc.border_width);
2706         if (Y(win) < Y(r) - wc.border_width)
2707                 Y(win) = Y(r) - wc.border_width;
2708         if (Y(win) > Y(r) + HEIGHT(r) - 1)
2709                 Y(win) = (HEIGHT(win) > HEIGHT(r)) ? Y(r) :
2710                     (Y(r) + HEIGHT(r) - HEIGHT(win) - 2 * wc.border_width);
2711
2712         wc.x = X(win);
2713         wc.y = Y(win);
2714         wc.width = WIDTH(win);
2715         wc.height = HEIGHT(win);
2716
2717         /*
2718          * Retain floater and transient geometry for correct positioning
2719          * when ws changes region
2720          */
2721         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2722                 store_float_geom(win, r);
2723
2724         DNPRINTF(SWM_D_MISC, "stack_floater: window: %lu, (x,y) w x h: (%d,%d) "
2725             "%d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
2726
2727         XConfigureWindow(display, win->id, mask, &wc);
2728 }
2729
2730 /*
2731  * Send keystrokes to terminal to decrease/increase the font size as the
2732  * window size changes.
2733  */
2734 void
2735 adjust_font(struct ws_win *win)
2736 {
2737         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2738             win->floating || win->transient)
2739                 return;
2740
2741         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2742             WIDTH(win) / win->sh.width_inc < term_width &&
2743             win->font_steps < SWM_MAX_FONT_STEPS) {
2744                 win->font_size_boundary[win->font_steps] =
2745                     (win->sh.width_inc * term_width) + win->sh.base_width;
2746                 win->font_steps++;
2747                 font_adjusted++;
2748                 win->last_inc = win->sh.width_inc;
2749                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2750         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2751             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
2752                 win->font_steps--;
2753                 font_adjusted++;
2754                 win->last_inc = win->sh.width_inc;
2755                 fake_keypress(win, XK_KP_Add, ShiftMask);
2756         }
2757 }
2758
2759 #define SWAPXY(g)       do {                            \
2760         int tmp;                                        \
2761         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2762         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2763 } while (0)
2764 void
2765 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2766 {
2767         XWindowChanges          wc;
2768         XWindowAttributes       wa;
2769         struct swm_geometry     win_g, r_g = *g;
2770         struct ws_win           *win, *fs_win = 0;
2771         int                     i, j, s, stacks;
2772         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2773         int                     hrh, extra = 0, h_slice, last_h = 0;
2774         int                     split, colno, winno, mwin, msize, mscale;
2775         int                     remain, missing, v_slice, reconfigure;
2776         unsigned int            mask;
2777
2778         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
2779             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
2780
2781         winno = count_win(ws, 0);
2782         if (winno == 0 && count_win(ws, 1) == 0)
2783                 return;
2784
2785         TAILQ_FOREACH(win, &ws->winlist, entry)
2786                 if (win->transient == 0 && win->floating == 0
2787                     && win->iconic == 0)
2788                         break;
2789
2790         if (win == NULL)
2791                 goto notiles;
2792
2793         if (rot) {
2794                 w_inc = win->sh.width_inc;
2795                 w_base = win->sh.base_width;
2796                 mwin = ws->l_state.horizontal_mwin;
2797                 mscale = ws->l_state.horizontal_msize;
2798                 stacks = ws->l_state.horizontal_stacks;
2799                 SWAPXY(&r_g);
2800         } else {
2801                 w_inc = win->sh.height_inc;
2802                 w_base = win->sh.base_height;
2803                 mwin = ws->l_state.vertical_mwin;
2804                 mscale = ws->l_state.vertical_msize;
2805                 stacks = ws->l_state.vertical_stacks;
2806         }
2807         win_g = r_g;
2808
2809         if (stacks > winno - mwin)
2810                 stacks = winno - mwin;
2811         if (stacks < 1)
2812                 stacks = 1;
2813
2814         h_slice = r_g.h / SWM_H_SLICE;
2815         if (mwin && winno > mwin) {
2816                 v_slice = r_g.w / SWM_V_SLICE;
2817
2818                 split = mwin;
2819                 colno = split;
2820                 win_g.w = v_slice * mscale;
2821
2822                 if (w_inc > 1 && w_inc < v_slice) {
2823                         /* adjust for window's requested size increment */
2824                         remain = (win_g.w - w_base) % w_inc;
2825                         missing = w_inc - remain;
2826                         win_g.w -= remain;
2827                         extra += remain;
2828                 }
2829
2830                 msize = win_g.w;
2831                 if (flip)
2832                         win_g.x += r_g.w - msize;
2833         } else {
2834                 msize = -2;
2835                 colno = split = winno / stacks;
2836                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2837                     2 * border_width) / stacks);
2838         }
2839         hrh = r_g.h / colno;
2840         extra = r_g.h - (colno * hrh);
2841         win_g.h = hrh - 2 * border_width;
2842
2843         /*  stack all the tiled windows */
2844         i = j = 0, s = stacks;
2845         TAILQ_FOREACH(win, &ws->winlist, entry) {
2846                 if (win->transient != 0 || win->floating != 0)
2847                         continue;
2848                 if (win->iconic != 0)
2849                         continue;
2850
2851                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2852                         fs_win = win;
2853                         continue;
2854                 }
2855
2856                 if (split && i == split) {
2857                         colno = (winno - mwin) / stacks;
2858                         if (s <= (winno - mwin) % stacks)
2859                                 colno++;
2860                         split = split + colno;
2861                         hrh = (r_g.h / colno);
2862                         extra = r_g.h - (colno * hrh);
2863                         if (flip)
2864                                 win_g.x = r_g.x;
2865                         else
2866                                 win_g.x += win_g.w + 2 * border_width;
2867                         win_g.w = (r_g.w - msize -
2868                             (stacks * 2 * border_width)) / stacks;
2869                         if (s == 1)
2870                                 win_g.w += (r_g.w - msize -
2871                                     (stacks * 2 * border_width)) % stacks;
2872                         s--;
2873                         j = 0;
2874                 }
2875                 win_g.h = hrh - 2 * border_width;
2876                 if (rot) {
2877                         h_inc = win->sh.width_inc;
2878                         h_base = win->sh.base_width;
2879                 } else {
2880                         h_inc = win->sh.height_inc;
2881                         h_base = win->sh.base_height;
2882                 }
2883                 if (j == colno - 1) {
2884                         win_g.h = hrh + extra;
2885                 } else if (h_inc > 1 && h_inc < h_slice) {
2886                         /* adjust for window's requested size increment */
2887                         remain = (win_g.h - h_base) % h_inc;
2888                         missing = h_inc - remain;
2889
2890                         if (missing <= extra || j == 0) {
2891                                 extra -= missing;
2892                                 win_g.h += missing;
2893                         } else {
2894                                 win_g.h -= remain;
2895                                 extra += remain;
2896                         }
2897                 }
2898
2899                 if (j == 0)
2900                         win_g.y = r_g.y;
2901                 else
2902                         win_g.y += last_h + 2 * border_width;
2903
2904                 bzero(&wc, sizeof wc);
2905                 if (disable_border && bar_enabled == 0 && winno == 1){
2906                         wc.border_width = 0;
2907                         win_g.w += 2 * border_width;
2908                         win_g.h += 2 * border_width;
2909                 } else
2910                         wc.border_width = border_width;
2911                 reconfigure = 0;
2912                 if (rot) {
2913                         if (X(win) != win_g.y || Y(win) != win_g.x ||
2914                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
2915                                 reconfigure = 1;
2916                                 X(win) = wc.x = win_g.y;
2917                                 Y(win) = wc.y = win_g.x;
2918                                 WIDTH(win) = wc.width = win_g.h;
2919                                 HEIGHT(win) = wc.height = win_g.w;
2920                         }
2921                 } else {
2922                         if (X(win) != win_g.x || Y(win) != win_g.y ||
2923                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
2924                                 reconfigure = 1;
2925                                 X(win) = wc.x = win_g.x;
2926                                 Y(win) = wc.y = win_g.y;
2927                                 WIDTH(win) = wc.width = win_g.w;
2928                                 HEIGHT(win) = wc.height = win_g.h;
2929                         }
2930                 }
2931                 if (reconfigure) {
2932                         adjust_font(win);
2933                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2934                         XConfigureWindow(display, win->id, mask, &wc);
2935                 }
2936
2937                 if (XGetWindowAttributes(display, win->id, &wa))
2938                         if (wa.map_state == IsUnmapped)
2939                                 XMapRaised(display, win->id);
2940
2941                 last_h = win_g.h;
2942                 i++;
2943                 j++;
2944         }
2945
2946 notiles:
2947         /* now, stack all the floaters and transients */
2948         TAILQ_FOREACH(win, &ws->winlist, entry) {
2949                 if (win->transient == 0 && win->floating == 0)
2950                         continue;
2951                 if (win->iconic == 1)
2952                         continue;
2953                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2954                         fs_win = win;
2955                         continue;
2956                 }
2957
2958                 stack_floater(win, ws->r);
2959                 XMapRaised(display, win->id);
2960         }
2961
2962         if (fs_win) {
2963                 stack_floater(fs_win, ws->r);
2964                 XMapRaised(display, fs_win->id);
2965         }
2966 }
2967
2968 void
2969 vertical_config(struct workspace *ws, int id)
2970 {
2971         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
2972             id, ws->idx);
2973
2974         switch (id) {
2975         case SWM_ARG_ID_STACKRESET:
2976         case SWM_ARG_ID_STACKINIT:
2977                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2978                 ws->l_state.vertical_mwin = 1;
2979                 ws->l_state.vertical_stacks = 1;
2980                 break;
2981         case SWM_ARG_ID_MASTERSHRINK:
2982                 if (ws->l_state.vertical_msize > 1)
2983                         ws->l_state.vertical_msize--;
2984                 break;
2985         case SWM_ARG_ID_MASTERGROW:
2986                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2987                         ws->l_state.vertical_msize++;
2988                 break;
2989         case SWM_ARG_ID_MASTERADD:
2990                 ws->l_state.vertical_mwin++;
2991                 break;
2992         case SWM_ARG_ID_MASTERDEL:
2993                 if (ws->l_state.vertical_mwin > 0)
2994                         ws->l_state.vertical_mwin--;
2995                 break;
2996         case SWM_ARG_ID_STACKINC:
2997                 ws->l_state.vertical_stacks++;
2998                 break;
2999         case SWM_ARG_ID_STACKDEC:
3000                 if (ws->l_state.vertical_stacks > 1)
3001                         ws->l_state.vertical_stacks--;
3002                 break;
3003         default:
3004                 return;
3005         }
3006 }
3007
3008 void
3009 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3010 {
3011         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3012
3013         stack_master(ws, g, 0, 0);
3014 }
3015
3016 void
3017 horizontal_config(struct workspace *ws, int id)
3018 {
3019         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3020
3021         switch (id) {
3022         case SWM_ARG_ID_STACKRESET:
3023         case SWM_ARG_ID_STACKINIT:
3024                 ws->l_state.horizontal_mwin = 1;
3025                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3026                 ws->l_state.horizontal_stacks = 1;
3027                 break;
3028         case SWM_ARG_ID_MASTERSHRINK:
3029                 if (ws->l_state.horizontal_msize > 1)
3030                         ws->l_state.horizontal_msize--;
3031                 break;
3032         case SWM_ARG_ID_MASTERGROW:
3033                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3034                         ws->l_state.horizontal_msize++;
3035                 break;
3036         case SWM_ARG_ID_MASTERADD:
3037                 ws->l_state.horizontal_mwin++;
3038                 break;
3039         case SWM_ARG_ID_MASTERDEL:
3040                 if (ws->l_state.horizontal_mwin > 0)
3041                         ws->l_state.horizontal_mwin--;
3042                 break;
3043         case SWM_ARG_ID_STACKINC:
3044                 ws->l_state.horizontal_stacks++;
3045                 break;
3046         case SWM_ARG_ID_STACKDEC:
3047                 if (ws->l_state.horizontal_stacks > 1)
3048                         ws->l_state.horizontal_stacks--;
3049                 break;
3050         default:
3051                 return;
3052         }
3053 }
3054
3055 void
3056 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3057 {
3058         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3059
3060         stack_master(ws, g, 1, 0);
3061 }
3062
3063 /* fullscreen view */
3064 void
3065 max_stack(struct workspace *ws, struct swm_geometry *g)
3066 {
3067         XWindowChanges          wc;
3068         struct swm_geometry     gg = *g;
3069         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3070         unsigned int            mask;
3071         int                     winno;
3072
3073         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3074
3075         if (ws == NULL)
3076                 return;
3077
3078         winno = count_win(ws, 0);
3079         if (winno == 0 && count_win(ws, 1) == 0)
3080                 return;
3081
3082         TAILQ_FOREACH(win, &ws->winlist, entry) {
3083                 if (win->transient) {
3084                         wintrans = win;
3085                         parent = find_window(win->transient);
3086                         continue;
3087                 }
3088
3089                 if (win->floating && win->floatmaxed == 0 ) {
3090                         /*
3091                          * retain geometry for retrieval on exit from
3092                          * max_stack mode
3093                          */
3094                         store_float_geom(win, ws->r);
3095                         win->floatmaxed = 1;
3096                 }
3097
3098                 /* only reconfigure if necessary */
3099                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3100                     HEIGHT(win) != gg.h) {
3101                         bzero(&wc, sizeof wc);
3102                         X(win) = wc.x = gg.x;
3103                         Y(win) = wc.y = gg.y;
3104                         if (bar_enabled){
3105                                 wc.border_width = border_width;
3106                                 WIDTH(win) = wc.width = gg.w;
3107                                 HEIGHT(win) = wc.height = gg.h;
3108                         } else {
3109                                 wc.border_width = 0;
3110                                 WIDTH(win) = wc.width = gg.w + 2 * border_width;
3111                                 HEIGHT(win) = wc.height = gg.h +
3112                                     2 * border_width;
3113                         }
3114                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3115                         XConfigureWindow(display, win->id, mask, &wc);
3116                 }
3117                 /* unmap only if we don't have multi screen */
3118                 if (win != ws->focus)
3119                         if (!(ScreenCount(display) > 1 || outputs > 1))
3120                                 unmap_window(win);
3121         }
3122
3123         /* put the last transient on top */
3124         if (wintrans) {
3125                 if (parent)
3126                         XMapRaised(display, parent->id);
3127                 stack_floater(wintrans, ws->r);
3128                 focus_magic(wintrans);
3129         }
3130 }
3131
3132 void
3133 send_to_ws(struct swm_region *r, union arg *args)
3134 {
3135         int                     wsid = args->id;
3136         struct ws_win           *win = NULL, *parent;
3137         struct workspace        *ws, *nws;
3138         Atom                    ws_idx_atom = 0;
3139         unsigned char           ws_idx_str[SWM_PROPLEN];
3140         union arg               a;
3141
3142         if (r && r->ws && r->ws->focus)
3143                 win = r->ws->focus;
3144         else
3145                 return;
3146         if (win == NULL)
3147                 return;
3148         if (win->ws->idx == wsid)
3149                 return;
3150
3151         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3152
3153         ws = win->ws;
3154         nws = &win->s->ws[wsid];
3155
3156         a.id = SWM_ARG_ID_FOCUSPREV;
3157         focus(r, &a);
3158         if (win->transient) {
3159                 parent = find_window(win->transient);
3160                 if (parent) {
3161                         unmap_window(parent);
3162                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3163                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3164                         parent->ws = nws;
3165                 }
3166         }
3167         unmap_window(win);
3168         TAILQ_REMOVE(&ws->winlist, win, entry);
3169         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3170         if (TAILQ_EMPTY(&ws->winlist))
3171                 r->ws->focus = NULL;
3172         win->ws = nws;
3173
3174         /* Try to update the window's workspace property */
3175         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3176         if (ws_idx_atom &&
3177             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3178                 SWM_PROPLEN) {
3179                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3180                     ws_idx_str);
3181                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3182                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3183         }
3184
3185         stack();
3186 }
3187
3188 void
3189 pressbutton(struct swm_region *r, union arg *args)
3190 {
3191         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3192         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3193 }
3194
3195 void
3196 raise_toggle(struct swm_region *r, union arg *args)
3197 {
3198         if (r && r->ws == NULL)
3199                 return;
3200
3201         r->ws->always_raise = !r->ws->always_raise;
3202
3203         /* bring floaters back to top */
3204         if (r->ws->always_raise == 0)
3205                 stack();
3206 }
3207
3208 void
3209 iconify(struct swm_region *r, union arg *args)
3210 {
3211         union arg a;
3212
3213         if (r->ws->focus == NULL)
3214                 return;
3215         unmap_window(r->ws->focus);
3216         update_iconic(r->ws->focus, 1);
3217         stack();
3218         if (focus_mode == SWM_FOCUS_DEFAULT)
3219                 drain_enter_notify();
3220         r->ws->focus = NULL;
3221         a.id = SWM_ARG_ID_FOCUSCUR;
3222         focus(r, &a);
3223 }
3224
3225 unsigned char *
3226 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3227     unsigned long *slen)
3228 {
3229         int                     status, retfmt;
3230         unsigned long           nitems, nbytes, nextra;
3231         unsigned char           *prop = NULL;
3232         Atom                    rettype;
3233
3234         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3235             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3236         if (status != Success)
3237                 return (NULL);
3238         XFree(prop);
3239
3240         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3241             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3242         if (status != Success) {
3243                 XFree(prop);
3244                 return (NULL);
3245         }
3246         if (rettype != stype) {
3247                 XFree(prop);
3248                 return (NULL);
3249         }
3250         *slen = nitems;
3251         return (prop);
3252 }
3253
3254 void
3255 uniconify(struct swm_region *r, union arg *args)
3256 {
3257         struct ws_win           *win;
3258         FILE                    *lfile;
3259         unsigned char           *name;
3260         int                     count = 0;
3261         unsigned long           len;
3262
3263         DNPRINTF(SWM_D_MISC, "uniconify\n");
3264
3265         if (r && r->ws == NULL)
3266                 return;
3267
3268         /* make sure we have anything to uniconify */
3269         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3270                 if (win->ws == NULL)
3271                         continue; /* should never happen */
3272                 if (win->iconic == 0)
3273                         continue;
3274                 count++;
3275         }
3276         if (count == 0)
3277                 return;
3278
3279         search_r = r;
3280         search_resp_action = SWM_SEARCH_UNICONIFY;
3281
3282         spawn_select(r, args, "search", &searchpid);
3283
3284         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3285                 return;
3286
3287         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3288                 if (win->ws == NULL)
3289                         continue; /* should never happen */
3290                 if (win->iconic == 0)
3291                         continue;
3292
3293                 name = get_win_name(display, win->id, a_netwmname,
3294                     a_utf8_string, &len);
3295                 if (name == NULL)
3296                         continue;
3297                 fprintf(lfile, "%s.%lu\n", name, win->id);
3298                 XFree(name);
3299         }
3300
3301         fclose(lfile);
3302 }
3303
3304 void
3305 name_workspace(struct swm_region *r, union arg *args)
3306 {
3307         FILE                    *lfile;
3308
3309         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3310
3311         if (r == NULL)
3312                 return;
3313
3314         search_r = r;
3315         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3316
3317         spawn_select(r, args, "name_workspace", &searchpid);
3318
3319         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3320                 return;
3321
3322         fprintf(lfile, "%s", "");
3323         fclose(lfile);
3324 }
3325
3326 void
3327 search_workspace(struct swm_region *r, union arg *args)
3328 {
3329         int                     i;
3330         struct workspace        *ws;
3331         FILE                    *lfile;
3332
3333         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3334
3335         if (r == NULL)
3336                 return;
3337
3338         search_r = r;
3339         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3340
3341         spawn_select(r, args, "search", &searchpid);
3342
3343         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3344                 return;
3345
3346         for (i = 0; i < SWM_WS_MAX; i++) {
3347                 ws = &r->s->ws[i];
3348                 if (ws == NULL)
3349                         continue;
3350                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3351                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3352         }
3353
3354         fclose(lfile);
3355 }
3356
3357 void
3358 search_win_cleanup(void)
3359 {
3360         struct search_window    *sw = NULL;
3361
3362         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3363                 XDestroyWindow(display, sw->indicator);
3364                 TAILQ_REMOVE(&search_wl, sw, entry);
3365                 free(sw);
3366         }
3367 }
3368
3369 void
3370 search_win(struct swm_region *r, union arg *args)
3371 {
3372         struct ws_win           *win = NULL;
3373         struct search_window    *sw = NULL;
3374         Window                  w;
3375         GC                      gc;
3376         XGCValues               gcv;
3377         int                     i;
3378         char                    s[8];
3379         FILE                    *lfile;
3380         size_t                  len;
3381         int                     textwidth;
3382
3383         DNPRINTF(SWM_D_MISC, "search_win\n");
3384
3385         search_r = r;
3386         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3387
3388         spawn_select(r, args, "search", &searchpid);
3389
3390         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3391                 return;
3392
3393         TAILQ_INIT(&search_wl);
3394
3395         i = 1;
3396         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3397                 if (win->iconic == 1)
3398                         continue;
3399
3400                 sw = calloc(1, sizeof(struct search_window));
3401                 if (sw == NULL) {
3402                         fprintf(stderr, "search_win: calloc: %s",
3403                             strerror(errno));
3404                         fclose(lfile);
3405                         search_win_cleanup();
3406                         return;
3407                 }
3408                 sw->idx = i;
3409                 sw->win = win;
3410
3411                 snprintf(s, sizeof s, "%d", i);
3412                 len = strlen(s);
3413                 textwidth = XTextWidth(bar_fs, s, len);
3414
3415                 w = XCreateSimpleWindow(display,
3416                     win->id, 0, 0, textwidth + 12,
3417                     bar_fs->ascent + bar_fs->descent + 4, 1,
3418                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3419                     r->s->c[SWM_S_COLOR_FOCUS].color);
3420
3421                 sw->indicator = w;
3422                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3423
3424                 gc = XCreateGC(display, w, 0, &gcv);
3425                 XSetFont(display, gc, bar_fs->fid);
3426                 XMapRaised(display, w);
3427                 XSetForeground(display, gc, r->s->c[SWM_S_COLOR_BAR].color);
3428
3429                 XDrawString(display, w, gc, 6, bar_fs->ascent + 2, s, len);
3430
3431                 fprintf(lfile, "%d\n", i);
3432                 i++;
3433         }
3434
3435         fclose(lfile);
3436 }
3437
3438 void
3439 search_resp_uniconify(char *resp, unsigned long len)
3440 {
3441         unsigned char           *name;
3442         struct ws_win           *win;
3443         char                    *s;
3444
3445         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3446
3447         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3448                 if (win->iconic == 0)
3449                         continue;
3450                 name = get_win_name(display, win->id, a_netwmname,
3451                     a_utf8_string, &len);
3452                 if (name == NULL)
3453                         continue;
3454                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3455                         XFree(name);
3456                         continue;
3457                 }
3458                 XFree(name);
3459                 if (strncmp(s, resp, len) == 0) {
3460                         /* XXX this should be a callback to generalize */
3461                         update_iconic(win, 0);
3462                         free(s);
3463                         break;
3464                 }
3465                 free(s);
3466         }
3467 }
3468
3469 void
3470 search_resp_name_workspace(char *resp, unsigned long len)
3471 {
3472         struct workspace        *ws;
3473
3474         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3475
3476         if (search_r->ws == NULL)
3477                 return;
3478         ws = search_r->ws;
3479
3480         if (ws->name) {
3481                 free(search_r->ws->name);
3482                 search_r->ws->name = NULL;
3483         }
3484
3485         if (len > 1) {
3486                 ws->name = strdup(resp);
3487                 if (ws->name == NULL) {
3488                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3489                             "strdup: %s", strerror(errno));
3490                         return;
3491                 }
3492         }
3493 }
3494
3495 void
3496 search_resp_search_workspace(char *resp, unsigned long len)
3497 {
3498         char                    *p, *q;
3499         int                     ws_idx;
3500         const char              *errstr;
3501         union arg               a;
3502
3503         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3504
3505         q = strdup(resp);
3506         if (!q) {
3507                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3508                     strerror(errno));
3509                 return;
3510         }
3511         p = strchr(q, ':');
3512         if (p != NULL)
3513                 *p = '\0';
3514         ws_idx = strtonum(q, 1, SWM_WS_MAX, &errstr);
3515         if (errstr) {
3516                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3517                     errstr, q);
3518                 free(q);
3519                 return;
3520         }
3521         free(q);
3522         a.id = ws_idx - 1;
3523         switchws(search_r, &a);
3524 }
3525
3526 void
3527 search_resp_search_window(char *resp, unsigned long len)
3528 {
3529         char                    *s;
3530         int                     idx;
3531         const char              *errstr;
3532         struct search_window    *sw;
3533
3534         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3535
3536         s = strdup(resp);
3537         if (!s) {
3538                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3539                     strerror(errno));
3540                 return;
3541         }
3542
3543         idx = strtonum(s, 1, INT_MAX, &errstr);
3544         if (errstr) {
3545                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3546                     errstr, s);
3547                 free(s);
3548                 return;
3549         }
3550         free(s);
3551
3552         TAILQ_FOREACH(sw, &search_wl, entry)
3553                 if (idx == sw->idx) {
3554                         focus_win(sw->win);
3555                         break;
3556                 }
3557 }
3558
3559 #define MAX_RESP_LEN    1024
3560
3561 void
3562 search_do_resp(void)
3563 {
3564         ssize_t                 rbytes;
3565         char                    *resp;
3566         unsigned long           len;
3567
3568         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3569
3570         search_resp = 0;
3571         searchpid = 0;
3572
3573         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3574                 fprintf(stderr, "search: calloc\n");
3575                 goto done;
3576         }
3577
3578         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3579         if (rbytes <= 0) {
3580                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3581                 goto done;
3582         }
3583         resp[rbytes] = '\0';
3584
3585         /* XXX:
3586          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3587          * newline, so work around that by sanitizing the resp now.
3588          */
3589         resp[strcspn(resp, "\n")] = '\0';
3590         len = strlen(resp);
3591
3592         switch (search_resp_action) {
3593         case SWM_SEARCH_UNICONIFY:
3594                 search_resp_uniconify(resp, len);
3595                 break;
3596         case SWM_SEARCH_NAME_WORKSPACE:
3597                 search_resp_name_workspace(resp, len);
3598                 break;
3599         case SWM_SEARCH_SEARCH_WORKSPACE:
3600                 search_resp_search_workspace(resp, len);
3601                 break;
3602         case SWM_SEARCH_SEARCH_WINDOW:
3603                 search_resp_search_window(resp, len);
3604                 break;
3605         }
3606
3607 done:
3608         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
3609                 search_win_cleanup();
3610
3611         search_resp_action = SWM_SEARCH_NONE;
3612         close(select_resp_pipe[0]);
3613         free(resp);
3614 }
3615
3616 void
3617 wkill(struct swm_region *r, union arg *args)
3618 {
3619         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
3620
3621         if (r->ws->focus == NULL)
3622                 return;
3623
3624         if (args->id == SWM_ARG_ID_KILLWINDOW)
3625                 XKillClient(display, r->ws->focus->id);
3626         else
3627                 if (r->ws->focus->can_delete)
3628                         client_msg(r->ws->focus, adelete);
3629 }
3630
3631
3632 int
3633 floating_toggle_win(struct ws_win *win)
3634 {
3635         struct swm_region       *r;
3636
3637         if (win == NULL)
3638                 return 0;
3639
3640         if (!win->ws->r)
3641                 return 0;
3642
3643         r = win->ws->r;
3644
3645         /* reject floating toggles in max stack mode */
3646         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3647                 return 0;
3648
3649         if (win->floating) {
3650                 if (!win->floatmaxed) {
3651                         /* retain position for refloat */
3652                         store_float_geom(win, r);
3653                 }
3654                 win->floating = 0;
3655         } else {
3656                 if (win->g_floatvalid) {
3657                         /* refloat at last floating relative position */
3658                         X(win) = win->g_float.x - win->rg_float.x + X(r);
3659                         Y(win) = win->g_float.y - win->rg_float.y + Y(r);
3660                         WIDTH(win) = win->g_float.w;
3661                         HEIGHT(win) = win->g_float.h;
3662                 }
3663                 win->floating = 1;
3664         }
3665
3666         ewmh_update_actions(win);
3667
3668         return 1;
3669 }
3670
3671 void
3672 floating_toggle(struct swm_region *r, union arg *args)
3673 {
3674         struct ws_win           *win = r->ws->focus;
3675         union arg               a;
3676
3677         if (win == NULL)
3678                 return;
3679
3680         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3681             _NET_WM_STATE_TOGGLE);
3682
3683         stack();
3684         if (focus_mode == SWM_FOCUS_DEFAULT)
3685                 drain_enter_notify();
3686
3687         if (win == win->ws->focus) {
3688                 a.id = SWM_ARG_ID_FOCUSCUR;
3689                 focus(win->ws->r, &a);
3690         }
3691 }
3692
3693 void
3694 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
3695 {
3696         if (X(win) + WIDTH(win) > X(r) + WIDTH(r) - border_width) {
3697                 if (resizable)
3698                         WIDTH(win) = X(r) + WIDTH(r) - X(win) - border_width;
3699                 else
3700                         X(win) = X(r) + WIDTH(r) - WIDTH(win) - border_width;
3701         }
3702
3703         if (X(win) < X(r) - border_width) {
3704                 if (resizable)
3705                         WIDTH(win) -= X(r) - X(win) - border_width;
3706
3707                 X(win) = X(r) - border_width;
3708         }
3709
3710         if (Y(win) + HEIGHT(win) > Y(r) + HEIGHT(r) - border_width) {
3711                 if (resizable)
3712                         HEIGHT(win) = Y(r) + HEIGHT(r) - Y(win) - border_width;
3713                 else
3714                         Y(win) = Y(r) + HEIGHT(r) - HEIGHT(win) - border_width;
3715         }
3716
3717         if (Y(win) < Y(r) - border_width) {
3718                 if (resizable)
3719                         HEIGHT(win) -= Y(r) - Y(win) - border_width;
3720
3721                 Y(win) = Y(r) - border_width;
3722         }
3723
3724         if (WIDTH(win) < 1)
3725                 WIDTH(win) = 1;
3726         if (HEIGHT(win) < 1)
3727                 HEIGHT(win) = 1;
3728 }
3729
3730 void
3731 update_window(struct ws_win *win)
3732 {
3733         unsigned int            mask;
3734         XWindowChanges          wc;
3735
3736         bzero(&wc, sizeof wc);
3737         mask = CWBorderWidth | CWWidth | CWHeight | CWX | CWY;
3738         wc.border_width = border_width;
3739         wc.x = X(win);
3740         wc.y = Y(win);
3741         wc.width = WIDTH(win);
3742         wc.height = HEIGHT(win);
3743
3744         DNPRINTF(SWM_D_MISC, "update_window: window: 0x%lx, (x,y) w x h: "
3745             "(%d,%d) %d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
3746
3747         XConfigureWindow(display, win->id, mask, &wc);
3748 }
3749
3750 #define SWM_RESIZE_STEPS        (50)
3751
3752 void
3753 resize(struct ws_win *win, union arg *args)
3754 {
3755         XEvent                  ev;
3756         Time                    time = 0;
3757         struct swm_region       *r = NULL;
3758         int                     resize_step = 0;
3759         Window                  rr, cr;
3760         int                     x, y, wx, wy;
3761         unsigned int            mask;
3762         struct swm_geometry     g;
3763         int                     top = 0, left = 0;
3764         int                     dx, dy;
3765         Cursor                  cursor;
3766         unsigned int            shape; /* cursor style */
3767
3768         if (win == NULL)
3769                 return;
3770         r = win->ws->r;
3771
3772         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
3773             "transient: 0x%lx\n", win->id, YESNO(win->floating),
3774             win->transient);
3775
3776         if (!(win->transient != 0 || win->floating != 0))
3777                 return;
3778
3779         /* reject resizes in max mode for floaters (transient ok) */
3780         if (win->floatmaxed)
3781                 return;
3782
3783         win->manual = 1;
3784         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3785             _NET_WM_STATE_ADD);
3786
3787         stack();
3788
3789         switch (args->id) {
3790         case SWM_ARG_ID_WIDTHSHRINK:
3791                 WIDTH(win) -= SWM_RESIZE_STEPS;
3792                 resize_step = 1;
3793                 break;
3794         case SWM_ARG_ID_WIDTHGROW:
3795                 WIDTH(win) += SWM_RESIZE_STEPS;
3796                 resize_step = 1;
3797                 break;
3798         case SWM_ARG_ID_HEIGHTSHRINK:
3799                 HEIGHT(win) -= SWM_RESIZE_STEPS;
3800                 resize_step = 1;
3801                 break;
3802         case SWM_ARG_ID_HEIGHTGROW:
3803                 HEIGHT(win) += SWM_RESIZE_STEPS;
3804                 resize_step = 1;
3805                 break;
3806         default:
3807                 break;
3808         }
3809         if (resize_step) {
3810                 constrain_window(win, r, 1);
3811                 update_window(win);
3812                 store_float_geom(win,r);
3813                 return;
3814         }
3815
3816         if (focus_mode == SWM_FOCUS_DEFAULT)
3817                 drain_enter_notify();
3818
3819         /* get cursor offset from window root */
3820         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
3821             return;
3822
3823         g = win->g;
3824
3825         if (wx < WIDTH(win) / 2)
3826                 left = 1;
3827
3828         if (wy < HEIGHT(win) / 2)
3829                 top = 1;
3830
3831         if (args->id == SWM_ARG_ID_CENTER)
3832                 shape = XC_sizing;
3833         else if (top)
3834                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
3835         else
3836                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
3837
3838         cursor = XCreateFontCursor(display, shape);
3839
3840         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3841             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
3842                 XFreeCursor(display, cursor);
3843                 return;
3844         }
3845
3846         do {
3847                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3848                     SubstructureRedirectMask, &ev);
3849                 switch (ev.type) {
3850                 case ConfigureRequest:
3851                 case Expose:
3852                 case MapRequest:
3853                         handler[ev.type](&ev);
3854                         break;
3855                 case MotionNotify:
3856                         /* cursor offset/delta from start of the operation */
3857                         dx = ev.xmotion.x_root - x;
3858                         dy = ev.xmotion.y_root - y;
3859
3860                         /* vertical */
3861                         if (top)
3862                                 dy = -dy;
3863
3864                         if (args->id == SWM_ARG_ID_CENTER) {
3865                                 if (g.h / 2 + dy < 1)
3866                                         dy = 1 - g.h / 2;
3867
3868                                 Y(win) = g.y - dy;
3869                                 HEIGHT(win) = g.h + 2 * dy;
3870                         } else {
3871                                 if (g.h + dy < 1)
3872                                         dy = 1 - g.h;
3873
3874                                 if (top)
3875                                         Y(win) = g.y - dy;
3876
3877                                 HEIGHT(win) = g.h + dy;
3878                         }
3879
3880                         /* horizontal */
3881                         if (left)
3882                                 dx = -dx;
3883
3884                         if (args->id == SWM_ARG_ID_CENTER) {
3885                                 if (g.w / 2 + dx < 1)
3886                                         dx = 1 - g.w / 2;
3887
3888                                 X(win) = g.x - dx;
3889                                 WIDTH(win) = g.w + 2 * dx;
3890                         } else {
3891                                 if (g.w + dx < 1)
3892                                         dx = 1 - g.w;
3893
3894                                 if (left)
3895                                         X(win) = g.x - dx;
3896
3897                                 WIDTH(win) = g.w + dx;
3898                         }
3899
3900                         constrain_window(win, r, 1);
3901
3902                         /* not free, don't sync more than 120 times / second */
3903                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3904                                 time = ev.xmotion.time;
3905                                 XSync(display, False);
3906                                 update_window(win);
3907                         }
3908                         break;
3909                 }
3910         } while (ev.type != ButtonRelease);
3911         if (time) {
3912                 XSync(display, False);
3913                 update_window(win);
3914         }
3915         store_float_geom(win,r);
3916
3917         XUngrabPointer(display, CurrentTime);
3918         XFreeCursor(display, cursor);
3919
3920         /* drain events */
3921         drain_enter_notify();
3922 }
3923
3924 void
3925 resize_step(struct swm_region *r, union arg *args)
3926 {
3927         struct ws_win           *win = NULL;
3928
3929         if (r && r->ws && r->ws->focus)
3930                 win = r->ws->focus;
3931         else
3932                 return;
3933
3934         resize(win, args);
3935 }
3936
3937 #define SWM_MOVE_STEPS  (50)
3938
3939 void
3940 move(struct ws_win *win, union arg *args)
3941 {
3942         XEvent                  ev;
3943         Time                    time = 0;
3944         int                     move_step = 0;
3945         struct swm_region       *r = NULL;
3946
3947         Window                  rr, cr;
3948         int                     x, y, wx, wy;
3949         unsigned int            mask;
3950
3951         if (win == NULL)
3952                 return;
3953         r = win->ws->r;
3954
3955         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
3956             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
3957
3958         /* in max_stack mode should only move transients */
3959         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3960                 return;
3961
3962         win->manual = 1;
3963         if (win->floating == 0 && !win->transient) {
3964                 store_float_geom(win,r);
3965                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3966                     _NET_WM_STATE_ADD);
3967         }
3968         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3969             _NET_WM_STATE_ADD);
3970
3971         stack();
3972
3973         move_step = 0;
3974         switch (args->id) {
3975         case SWM_ARG_ID_MOVELEFT:
3976                 X(win) -= (SWM_MOVE_STEPS - border_width);
3977                 move_step = 1;
3978                 break;
3979         case SWM_ARG_ID_MOVERIGHT:
3980                 X(win) += (SWM_MOVE_STEPS - border_width);
3981                 move_step = 1;
3982                 break;
3983         case SWM_ARG_ID_MOVEUP:
3984                 Y(win) -= (SWM_MOVE_STEPS - border_width);
3985                 move_step = 1;
3986                 break;
3987         case SWM_ARG_ID_MOVEDOWN:
3988                 Y(win) += (SWM_MOVE_STEPS - border_width);
3989                 move_step = 1;
3990                 break;
3991         default:
3992                 break;
3993         }
3994         if (move_step) {
3995                 constrain_window(win, r, 0);
3996                 update_window(win);
3997                 store_float_geom(win, r);
3998                 return;
3999         }
4000
4001         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4002             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4003             CurrentTime) != GrabSuccess)
4004                 return;
4005
4006         /* get cursor offset from window root */
4007         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4008             return;
4009
4010         do {
4011                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4012                     SubstructureRedirectMask, &ev);
4013                 switch (ev.type) {
4014                 case ConfigureRequest:
4015                 case Expose:
4016                 case MapRequest:
4017                         handler[ev.type](&ev);
4018                         break;
4019                 case MotionNotify:
4020                         X(win) = ev.xmotion.x_root - wx - border_width;
4021                         Y(win) = ev.xmotion.y_root - wy - border_width;
4022
4023                         constrain_window(win, r, 0);
4024
4025                         /* not free, don't sync more than 120 times / second */
4026                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4027                                 time = ev.xmotion.time;
4028                                 XSync(display, False);
4029                                 update_window(win);
4030                         }
4031                         break;
4032                 }
4033         } while (ev.type != ButtonRelease);
4034         if (time) {
4035                 XSync(display, False);
4036                 update_window(win);
4037         }
4038         store_float_geom(win,r);
4039         XUngrabPointer(display, CurrentTime);
4040
4041         /* drain events */
4042         drain_enter_notify();
4043 }
4044
4045 void
4046 move_step(struct swm_region *r, union arg *args)
4047 {
4048         struct ws_win           *win = NULL;
4049
4050         if (r && r->ws && r->ws->focus)
4051                 win = r->ws->focus;
4052         else
4053                 return;
4054
4055         if (!(win->transient != 0 || win->floating != 0))
4056                 return;
4057
4058         move(win, args);
4059 }
4060
4061
4062 /* user/key callable function IDs */
4063 enum keyfuncid {
4064         kf_cycle_layout,
4065         kf_stack_reset,
4066         kf_master_shrink,
4067         kf_master_grow,
4068         kf_master_add,
4069         kf_master_del,
4070         kf_stack_inc,
4071         kf_stack_dec,
4072         kf_swap_main,
4073         kf_focus_next,
4074         kf_focus_prev,
4075         kf_swap_next,
4076         kf_swap_prev,
4077         kf_spawn_term,
4078         kf_spawn_menu,
4079         kf_quit,
4080         kf_restart,
4081         kf_focus_main,
4082         kf_ws_1,
4083         kf_ws_2,
4084         kf_ws_3,
4085         kf_ws_4,
4086         kf_ws_5,
4087         kf_ws_6,
4088         kf_ws_7,
4089         kf_ws_8,
4090         kf_ws_9,
4091         kf_ws_10,
4092         kf_ws_next,
4093         kf_ws_prev,
4094         kf_ws_next_all,
4095         kf_ws_prev_all,
4096         kf_ws_prior,
4097         kf_screen_next,
4098         kf_screen_prev,
4099         kf_mvws_1,
4100         kf_mvws_2,
4101         kf_mvws_3,
4102         kf_mvws_4,
4103         kf_mvws_5,
4104         kf_mvws_6,
4105         kf_mvws_7,
4106         kf_mvws_8,
4107         kf_mvws_9,
4108         kf_mvws_10,
4109         kf_bar_toggle,
4110         kf_wind_kill,
4111         kf_wind_del,
4112         kf_screenshot_all,
4113         kf_screenshot_wind,
4114         kf_float_toggle,
4115         kf_version,
4116         kf_spawn_lock,
4117         kf_spawn_initscr,
4118         kf_spawn_custom,
4119         kf_iconify,
4120         kf_uniconify,
4121         kf_raise_toggle,
4122         kf_button2,
4123         kf_width_shrink,
4124         kf_width_grow,
4125         kf_height_shrink,
4126         kf_height_grow,
4127         kf_move_left,
4128         kf_move_right,
4129         kf_move_up,
4130         kf_move_down,
4131         kf_name_workspace,
4132         kf_search_workspace,
4133         kf_search_win,
4134         kf_dumpwins, /* MUST BE LAST */
4135         kf_invalid
4136 };
4137
4138 /* key definitions */
4139 void
4140 dummykeyfunc(struct swm_region *r, union arg *args)
4141 {
4142 };
4143
4144 void
4145 legacyfunc(struct swm_region *r, union arg *args)
4146 {
4147 };
4148
4149 struct keyfunc {
4150         char                    name[SWM_FUNCNAME_LEN];
4151         void                    (*func)(struct swm_region *r, union arg *);
4152         union arg               args;
4153 } keyfuncs[kf_invalid + 1] = {
4154         /* name                 function        argument */
4155         { "cycle_layout",       cycle_layout,   {0} },
4156         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4157         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4158         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4159         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4160         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4161         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4162         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4163         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4164         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4165         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4166         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4167         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4168         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
4169         { "spawn_menu",         legacyfunc,     {0} },
4170         { "quit",               quit,           {0} },
4171         { "restart",            restart,        {0} },
4172         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4173         { "ws_1",               switchws,       {.id = 0} },
4174         { "ws_2",               switchws,       {.id = 1} },
4175         { "ws_3",               switchws,       {.id = 2} },
4176         { "ws_4",               switchws,       {.id = 3} },
4177         { "ws_5",               switchws,       {.id = 4} },
4178         { "ws_6",               switchws,       {.id = 5} },
4179         { "ws_7",               switchws,       {.id = 6} },
4180         { "ws_8",               switchws,       {.id = 7} },
4181         { "ws_9",               switchws,       {.id = 8} },
4182         { "ws_10",              switchws,       {.id = 9} },
4183         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4184         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4185         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4186         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4187         { "ws_prior",           priorws,        {0} },
4188         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4189         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4190         { "mvws_1",             send_to_ws,     {.id = 0} },
4191         { "mvws_2",             send_to_ws,     {.id = 1} },
4192         { "mvws_3",             send_to_ws,     {.id = 2} },
4193         { "mvws_4",             send_to_ws,     {.id = 3} },
4194         { "mvws_5",             send_to_ws,     {.id = 4} },
4195         { "mvws_6",             send_to_ws,     {.id = 5} },
4196         { "mvws_7",             send_to_ws,     {.id = 6} },
4197         { "mvws_8",             send_to_ws,     {.id = 7} },
4198         { "mvws_9",             send_to_ws,     {.id = 8} },
4199         { "mvws_10",            send_to_ws,     {.id = 9} },
4200         { "bar_toggle",         bar_toggle,     {0} },
4201         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4202         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4203         { "screenshot_all",     legacyfunc,     {0} },
4204         { "screenshot_wind",    legacyfunc,     {0} },
4205         { "float_toggle",       floating_toggle,{0} },
4206         { "version",            version,        {0} },
4207         { "spawn_lock",         legacyfunc,     {0} },
4208         { "spawn_initscr",      legacyfunc,     {0} },
4209         { "spawn_custom",       dummykeyfunc,   {0} },
4210         { "iconify",            iconify,        {0} },
4211         { "uniconify",          uniconify,      {0} },
4212         { "raise_toggle",       raise_toggle,   {0} },
4213         { "button2",            pressbutton,    {2} },
4214         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4215         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4216         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4217         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4218         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4219         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4220         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4221         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4222         { "name_workspace",     name_workspace, {0} },
4223         { "search_workspace",   search_workspace,       {0} },
4224         { "search_win",         search_win,     {0} },
4225         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4226         { "invalid key func",   NULL,           {0} },
4227 };
4228 struct key {
4229         unsigned int            mod;
4230         KeySym                  keysym;
4231         enum keyfuncid          funcid;
4232         char                    *spawn_name;
4233 };
4234 int                             keys_size = 0, keys_length = 0;
4235 struct key                      *keys = NULL;
4236
4237 /* mouse */
4238 enum { client_click, root_click };
4239 struct button {
4240         unsigned int            action;
4241         unsigned int            mask;
4242         unsigned int            button;
4243         void                    (*func)(struct ws_win *, union arg *);
4244         union arg               args;
4245 } buttons[] = {
4246           /* action     key             mouse button    func    args */
4247         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4248         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4249         { client_click, MODKEY,         Button1,        move,   {0} },
4250 };
4251
4252 void
4253 update_modkey(unsigned int mod)
4254 {
4255         int                     i;
4256
4257         mod_key = mod;
4258         for (i = 0; i < keys_length; i++)
4259                 if (keys[i].mod & ShiftMask)
4260                         keys[i].mod = mod | ShiftMask;
4261                 else
4262                         keys[i].mod = mod;
4263
4264         for (i = 0; i < LENGTH(buttons); i++)
4265                 if (buttons[i].mask & ShiftMask)
4266                         buttons[i].mask = mod | ShiftMask;
4267                 else
4268                         buttons[i].mask = mod;
4269 }
4270
4271 /* spawn */
4272 struct spawn_prog {
4273         char                    *name;
4274         int                     argc;
4275         char                    **argv;
4276 };
4277
4278 int                             spawns_size = 0, spawns_length = 0;
4279 struct spawn_prog               *spawns = NULL;
4280
4281 int
4282 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4283     char ***ret_args)
4284 {
4285         struct spawn_prog       *prog = NULL;
4286         int                     i;
4287         char                    *ap, **real_args;
4288
4289         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4290
4291         /* find program */
4292         for (i = 0; i < spawns_length; i++) {
4293                 if (!strcasecmp(spawn_name, spawns[i].name))
4294                         prog = &spawns[i];
4295         }
4296         if (prog == NULL) {
4297                 fprintf(stderr, "spawn_custom: program %s not found\n",
4298                     spawn_name);
4299                 return (-1);
4300         }
4301
4302         /* make room for expanded args */
4303         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4304                 err(1, "spawn_custom: calloc real_args");
4305
4306         /* expand spawn_args into real_args */
4307         for (i = 0; i < prog->argc; i++) {
4308                 ap = prog->argv[i];
4309                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4310                 if (!strcasecmp(ap, "$bar_border")) {
4311                         if ((real_args[i] =
4312                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4313                             == NULL)
4314                                 err(1,  "spawn_custom border color");
4315                 } else if (!strcasecmp(ap, "$bar_color")) {
4316                         if ((real_args[i] =
4317                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4318                             == NULL)
4319                                 err(1, "spawn_custom bar color");
4320                 } else if (!strcasecmp(ap, "$bar_font")) {
4321                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
4322                             == NULL)
4323                                 err(1, "spawn_custom bar fonts");
4324                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4325                         if ((real_args[i] =
4326                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4327                             == NULL)
4328                                 err(1, "spawn_custom color font");
4329                 } else if (!strcasecmp(ap, "$color_focus")) {
4330                         if ((real_args[i] =
4331                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4332                             == NULL)
4333                                 err(1, "spawn_custom color focus");
4334                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4335                         if ((real_args[i] =
4336                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4337                             == NULL)
4338                                 err(1, "spawn_custom color unfocus");
4339                 } else {
4340                         /* no match --> copy as is */
4341                         if ((real_args[i] = strdup(ap)) == NULL)
4342                                 err(1, "spawn_custom strdup(ap)");
4343                 }
4344                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4345                     real_args[i]);
4346         }
4347
4348 #ifdef SWM_DEBUG
4349         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4350         for (i = 0; i < prog->argc; i++)
4351                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4352         DNPRINTF(SWM_D_SPAWN, "\n");
4353 #endif
4354         *ret_args = real_args;
4355         return (prog->argc);
4356 }
4357
4358 void
4359 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4360 {
4361         union arg               a;
4362         char                    **real_args;
4363         int                     spawn_argc, i;
4364
4365         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4366                 return;
4367         a.argv = real_args;
4368         if (fork() == 0)
4369                 spawn(r->ws->idx, &a, 1);
4370
4371         for (i = 0; i < spawn_argc; i++)
4372                 free(real_args[i]);
4373         free(real_args);
4374 }
4375
4376 void
4377 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4378 {
4379         union arg               a;
4380         char                    **real_args;
4381         int                     i, spawn_argc;
4382
4383         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4384                 return;
4385         a.argv = real_args;
4386
4387         if (pipe(select_list_pipe) == -1)
4388                 err(1, "pipe error");
4389         if (pipe(select_resp_pipe) == -1)
4390                 err(1, "pipe error");
4391
4392         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4393                 err(1, "could not disable SIGPIPE");
4394         switch (*pid = fork()) {
4395         case -1:
4396                 err(1, "cannot fork");
4397                 break;
4398         case 0: /* child */
4399                 if (dup2(select_list_pipe[0], 0) == -1)
4400                         err(1, "dup2");
4401                 if (dup2(select_resp_pipe[1], 1) == -1)
4402                         err(1, "dup2");
4403                 close(select_list_pipe[1]);
4404                 close(select_resp_pipe[0]);
4405                 spawn(r->ws->idx, &a, 0);
4406                 break;
4407         default: /* parent */
4408                 close(select_list_pipe[0]);
4409                 close(select_resp_pipe[1]);
4410                 break;
4411         }
4412
4413         for (i = 0; i < spawn_argc; i++)
4414                 free(real_args[i]);
4415         free(real_args);
4416 }
4417
4418 void
4419 setspawn(struct spawn_prog *prog)
4420 {
4421         int                     i, j;
4422
4423         if (prog == NULL || prog->name == NULL)
4424                 return;
4425
4426         /* find existing */
4427         for (i = 0; i < spawns_length; i++) {
4428                 if (!strcmp(spawns[i].name, prog->name)) {
4429                         /* found */
4430                         if (prog->argv == NULL) {
4431                                 /* delete */
4432                                 DNPRINTF(SWM_D_SPAWN,
4433                                     "setspawn: delete #%d: %s\n",
4434                                     i, spawns[i].name);
4435                                 free(spawns[i].name);
4436                                 for (j = 0; j < spawns[i].argc; j++)
4437                                         free(spawns[i].argv[j]);
4438                                 free(spawns[i].argv);
4439                                 j = spawns_length - 1;
4440                                 if (i < j)
4441                                         spawns[i] = spawns[j];
4442                                 spawns_length--;
4443                                 free(prog->name);
4444                         } else {
4445                                 /* replace */
4446                                 DNPRINTF(SWM_D_SPAWN,
4447                                     "setspawn: replace #%d: %s\n",
4448                                     i, spawns[i].name);
4449                                 free(spawns[i].name);
4450                                 for (j = 0; j < spawns[i].argc; j++)
4451                                         free(spawns[i].argv[j]);
4452                                 free(spawns[i].argv);
4453                                 spawns[i] = *prog;
4454                         }
4455                         /* found case handled */
4456                         free(prog);
4457                         return;
4458                 }
4459         }
4460
4461         if (prog->argv == NULL) {
4462                 fprintf(stderr,
4463                     "error: setspawn: cannot find program: %s", prog->name);
4464                 free(prog);
4465                 return;
4466         }
4467
4468         /* not found: add */
4469         if (spawns_size == 0 || spawns == NULL) {
4470                 spawns_size = 4;
4471                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
4472                 spawns = malloc((size_t)spawns_size *
4473                     sizeof(struct spawn_prog));
4474                 if (spawns == NULL) {
4475                         fprintf(stderr, "setspawn: malloc failed\n");
4476                         perror(" failed");
4477                         quit(NULL, NULL);
4478                 }
4479         } else if (spawns_length == spawns_size) {
4480                 spawns_size *= 2;
4481                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
4482                 spawns = realloc(spawns, (size_t)spawns_size *
4483                     sizeof(struct spawn_prog));
4484                 if (spawns == NULL) {
4485                         fprintf(stderr, "setspawn: realloc failed\n");
4486                         perror(" failed");
4487                         quit(NULL, NULL);
4488                 }
4489         }
4490
4491         if (spawns_length < spawns_size) {
4492                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
4493                     spawns_length, prog->name);
4494                 i = spawns_length++;
4495                 spawns[i] = *prog;
4496         } else {
4497                 fprintf(stderr, "spawns array problem?\n");
4498                 if (spawns == NULL) {
4499                         fprintf(stderr, "spawns array is NULL!\n");
4500                         quit(NULL, NULL);
4501                 }
4502         }
4503         free(prog);
4504 }
4505
4506 int
4507 setconfspawn(char *selector, char *value, int flags)
4508 {
4509         struct spawn_prog       *prog;
4510         char                    *vp, *cp, *word;
4511
4512         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4513         if ((prog = calloc(1, sizeof *prog)) == NULL)
4514                 err(1, "setconfspawn: calloc prog");
4515         prog->name = strdup(selector);
4516         if (prog->name == NULL)
4517                 err(1, "setconfspawn prog->name");
4518         if ((cp = vp = strdup(value)) == NULL)
4519                 err(1, "setconfspawn: strdup(value) ");
4520         while ((word = strsep(&cp, " \t")) != NULL) {
4521                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
4522                 if (cp)
4523                         cp += (long)strspn(cp, " \t");
4524                 if (strlen(word) > 0) {
4525                         prog->argc++;
4526                         if ((prog->argv = realloc(prog->argv,
4527                             prog->argc * sizeof(char *))) == NULL)
4528                                 err(1, "setconfspawn: realloc");
4529                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
4530                                 err(1, "setconfspawn: strdup");
4531                 }
4532         }
4533         free(vp);
4534
4535         setspawn(prog);
4536
4537         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4538         return (0);
4539 }
4540
4541 void
4542 setup_spawn(void)
4543 {
4544         setconfspawn("term",            "xterm",                0);
4545         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4546         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4547         setconfspawn("lock",            "xlock",                0);
4548         setconfspawn("initscr",         "initscreen.sh",        0);
4549         setconfspawn("menu",            "dmenu_run"
4550                                         " -fn $bar_font"
4551                                         " -nb $bar_color"
4552                                         " -nf $bar_font_color"
4553                                         " -sb $bar_border"
4554                                         " -sf $bar_color",      0);
4555         setconfspawn("search",          "dmenu"
4556                                         " -i"
4557                                         " -fn $bar_font"
4558                                         " -nb $bar_color"
4559                                         " -nf $bar_font_color"
4560                                         " -sb $bar_border"
4561                                         " -sf $bar_color",      0);
4562         setconfspawn("name_workspace",  "dmenu"
4563                                         " -p Workspace"
4564                                         " -fn $bar_font"
4565                                         " -nb $bar_color"
4566                                         " -nf $bar_font_color"
4567                                         " -sb $bar_border"
4568                                         " -sf $bar_color",      0);
4569 }
4570
4571 /* key bindings */
4572 #define SWM_MODNAME_SIZE        32
4573 #define SWM_KEY_WS              "\n+ \t"
4574 int
4575 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4576 {
4577         char                    *cp, *name;
4578         KeySym                  uks;
4579         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4580         if (mod == NULL || ks == NULL) {
4581                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4582                 return (1);
4583         }
4584         if (keystr == NULL || strlen(keystr) == 0) {
4585                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4586                 return (1);
4587         }
4588         cp = keystr;
4589         *ks = NoSymbol;
4590         *mod = 0;
4591         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4592                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4593                 if (cp)
4594                         cp += (long)strspn(cp, SWM_KEY_WS);
4595                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4596                         *mod |= currmod;
4597                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4598                         *mod |= Mod1Mask;
4599                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4600                         *mod += Mod2Mask;
4601                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4602                         *mod |= Mod3Mask;
4603                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4604                         *mod |= Mod4Mask;
4605                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4606                         *mod |= ShiftMask;
4607                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4608                         *mod |= ControlMask;
4609                 else {
4610                         *ks = XStringToKeysym(name);
4611                         XConvertCase(*ks, ks, &uks);
4612                         if (ks == NoSymbol) {
4613                                 DNPRINTF(SWM_D_KEY,
4614                                     "parsekeys: invalid key %s\n",
4615                                     name);
4616                                 return (1);
4617                         }
4618                 }
4619         }
4620         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4621         return (0);
4622 }
4623
4624 char *
4625 strdupsafe(char *str)
4626 {
4627         if (str == NULL)
4628                 return (NULL);
4629         else
4630                 return (strdup(str));
4631 }
4632
4633 void
4634 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4635     char *spawn_name)
4636 {
4637         int                     i, j;
4638         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4639             keyfuncs[kfid].name, spawn_name);
4640         /* find existing */
4641         for (i = 0; i < keys_length; i++) {
4642                 if (keys[i].mod == mod && keys[i].keysym == ks) {
4643                         if (kfid == kf_invalid) {
4644                                 /* found: delete */
4645                                 DNPRINTF(SWM_D_KEY,
4646                                     "setkeybinding: delete #%d %s\n",
4647                                     i, keyfuncs[keys[i].funcid].name);
4648                                 free(keys[i].spawn_name);
4649                                 j = keys_length - 1;
4650                                 if (i < j)
4651                                         keys[i] = keys[j];
4652                                 keys_length--;
4653                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4654                                 return;
4655                         } else {
4656                                 /* found: replace */
4657                                 DNPRINTF(SWM_D_KEY,
4658                                     "setkeybinding: replace #%d %s [%s]\n",
4659                                     i, keyfuncs[keys[i].funcid].name,
4660                                     spawn_name);
4661                                 free(keys[i].spawn_name);
4662                                 keys[i].mod = mod;
4663                                 keys[i].keysym = ks;
4664                                 keys[i].funcid = kfid;
4665                                 keys[i].spawn_name = strdupsafe(spawn_name);
4666                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4667                                 return;
4668                         }
4669                 }
4670         }
4671         if (kfid == kf_invalid) {
4672                 fprintf(stderr,
4673                     "error: setkeybinding: cannot find mod/key combination");
4674                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4675                 return;
4676         }
4677         /* not found: add */
4678         if (keys_size == 0 || keys == NULL) {
4679                 keys_size = 4;
4680                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
4681                 keys = malloc((size_t)keys_size * sizeof(struct key));
4682                 if (keys == NULL) {
4683                         fprintf(stderr, "malloc failed\n");
4684                         perror(" failed");
4685                         quit(NULL, NULL);
4686                 }
4687         } else if (keys_length == keys_size) {
4688                 keys_size *= 2;
4689                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
4690                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
4691                 if (keys == NULL) {
4692                         fprintf(stderr, "realloc failed\n");
4693                         perror(" failed");
4694                         quit(NULL, NULL);
4695                 }
4696         }
4697         if (keys_length < keys_size) {
4698                 j = keys_length++;
4699                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s [%s]\n",
4700                     j, keyfuncs[kfid].name, spawn_name);
4701                 keys[j].mod = mod;
4702                 keys[j].keysym = ks;
4703                 keys[j].funcid = kfid;
4704                 keys[j].spawn_name = strdupsafe(spawn_name);
4705         } else {
4706                 fprintf(stderr, "keys array problem?\n");
4707                 if (keys == NULL) {
4708                         fprintf(stderr, "keys array problem\n");
4709                         quit(NULL, NULL);
4710                 }
4711         }
4712         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4713 }
4714
4715 int
4716 setconfbinding(char *selector, char *value, int flags)
4717 {
4718         enum keyfuncid          kfid;
4719         unsigned int            mod;
4720         KeySym                  ks;
4721         int                     i;
4722         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4723         if (selector == NULL) {
4724                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4725                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4726                         kfid = kf_invalid;
4727                         setkeybinding(mod, ks, kfid, NULL);
4728                         return (0);
4729                 } else
4730                         return (1);
4731         }
4732         /* search by key function name */
4733         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4734                 if (strncasecmp(selector, keyfuncs[kfid].name,
4735                     SWM_FUNCNAME_LEN) == 0) {
4736                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4737                             selector);
4738                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4739                                 setkeybinding(mod, ks, kfid, NULL);
4740                                 return (0);
4741                         } else
4742                                 return (1);
4743                 }
4744         }
4745         /* search by custom spawn name */
4746         for (i = 0; i < spawns_length; i++) {
4747                 if (strcasecmp(selector, spawns[i].name) == 0) {
4748                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4749                             selector);
4750                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4751                                 setkeybinding(mod, ks, kf_spawn_custom,
4752                                     spawns[i].name);
4753                                 return (0);
4754                         } else
4755                                 return (1);
4756                 }
4757         }
4758         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4759         return (1);
4760 }
4761
4762 void
4763 setup_keys(void)
4764 {
4765         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4766         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4767         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4768         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4769         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4770         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4771         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4772         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4773         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4774         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4775         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4776         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4777         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4778         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4779         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
4780         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4781         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4782         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4783         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4784         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4785         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4786         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4787         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4788         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4789         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4790         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4791         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4792         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4793         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4794         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4795         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
4796         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
4797         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4798         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4799         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4800         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4801         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4802         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4803         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4804         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4805         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4806         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4807         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4808         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4809         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4810         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4811         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4812         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4813         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4814         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4815         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
4816         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
4817         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4818         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4819         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
4820         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
4821         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4822         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4823         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4824         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4825         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
4826         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
4827         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
4828         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
4829         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
4830         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
4831         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
4832         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
4833         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
4834         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
4835         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
4836 #ifdef SWM_DEBUG
4837         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4838 #endif
4839 }
4840
4841 void
4842 clear_keys(void)
4843 {
4844         int                     i;
4845
4846         /* clear all key bindings, if any */
4847         for (i = 0; i < keys_length; i++)
4848                 free(keys[i].spawn_name);
4849         keys_length = 0;
4850 }
4851
4852 int
4853 setkeymapping(char *selector, char *value, int flags)
4854 {
4855         char                    keymapping_file[PATH_MAX];
4856         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
4857         if (value[0] == '~')
4858                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
4859                     pwd->pw_dir, &value[1]);
4860         else
4861                 strlcpy(keymapping_file, value, sizeof keymapping_file);
4862         clear_keys();
4863         /* load new key bindings; if it fails, revert to default bindings */
4864         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
4865                 clear_keys();
4866                 setup_keys();
4867         }
4868         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
4869         return (0);
4870 }
4871
4872 void
4873 updatenumlockmask(void)
4874 {
4875         unsigned int            i, j;
4876         XModifierKeymap         *modmap;
4877
4878         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4879         numlockmask = 0;
4880         modmap = XGetModifierMapping(display);
4881         for (i = 0; i < 8; i++)
4882                 for (j = 0; j < modmap->max_keypermod; j++)
4883                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4884                             == XKeysymToKeycode(display, XK_Num_Lock))
4885                                 numlockmask = (1 << i);
4886
4887         XFreeModifiermap(modmap);
4888 }
4889
4890 void
4891 grabkeys(void)
4892 {
4893         unsigned int            i, j, k;
4894         KeyCode                 code;
4895         unsigned int            modifiers[] =
4896             { 0, LockMask, numlockmask, numlockmask | LockMask };
4897
4898         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4899         updatenumlockmask();
4900
4901         for (k = 0; k < ScreenCount(display); k++) {
4902                 if (TAILQ_EMPTY(&screens[k].rl))
4903                         continue;
4904                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4905                 for (i = 0; i < keys_length; i++) {
4906                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4907                                 for (j = 0; j < LENGTH(modifiers); j++)
4908                                         XGrabKey(display, code,
4909                                             keys[i].mod | modifiers[j],
4910                                             screens[k].root, True,
4911                                             GrabModeAsync, GrabModeAsync);
4912                 }
4913         }
4914 }
4915
4916 void
4917 grabbuttons(struct ws_win *win, int focused)
4918 {
4919         unsigned int            i, j;
4920         unsigned int            modifiers[] =
4921             { 0, LockMask, numlockmask, numlockmask|LockMask };
4922
4923         updatenumlockmask();
4924         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4925         if (focused) {
4926                 for (i = 0; i < LENGTH(buttons); i++)
4927                         if (buttons[i].action == client_click)
4928                                 for (j = 0; j < LENGTH(modifiers); j++)
4929                                         XGrabButton(display, buttons[i].button,
4930                                             buttons[i].mask | modifiers[j],
4931                                             win->id, False, BUTTONMASK,
4932                                             GrabModeAsync, GrabModeSync, None,
4933                                             None);
4934         } else
4935                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4936                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4937 }
4938
4939 const char *quirkname[] = {
4940         "NONE",         /* config string for "no value" */
4941         "FLOAT",
4942         "TRANSSZ",
4943         "ANYWHERE",
4944         "XTERM_FONTADJ",
4945         "FULLSCREEN",
4946         "FOCUSPREV",
4947 };
4948
4949 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4950 #define SWM_Q_WS                "\n|+ \t"
4951 int
4952 parsequirks(char *qstr, unsigned long *quirk)
4953 {
4954         char                    *cp, *name;
4955         int                     i;
4956
4957         if (quirk == NULL)
4958                 return (1);
4959
4960         cp = qstr;
4961         *quirk = 0;
4962         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4963                 if (cp)
4964                         cp += (long)strspn(cp, SWM_Q_WS);
4965                 for (i = 0; i < LENGTH(quirkname); i++) {
4966                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4967                                 DNPRINTF(SWM_D_QUIRK,
4968                                     "parsequirks: %s\n", name);
4969                                 if (i == 0) {
4970                                         *quirk = 0;
4971                                         return (0);
4972                                 }
4973                                 *quirk |= 1 << (i-1);
4974                                 break;
4975                         }
4976                 }
4977                 if (i >= LENGTH(quirkname)) {
4978                         DNPRINTF(SWM_D_QUIRK,
4979                             "parsequirks: invalid quirk [%s]\n", name);
4980                         return (1);
4981                 }
4982         }
4983         return (0);
4984 }
4985
4986 void
4987 setquirk(const char *class, const char *name, const int quirk)
4988 {
4989         int                     i, j;
4990
4991         /* find existing */
4992         for (i = 0; i < quirks_length; i++) {
4993                 if (!strcmp(quirks[i].class, class) &&
4994                     !strcmp(quirks[i].name, name)) {
4995                         if (!quirk) {
4996                                 /* found: delete */
4997                                 DNPRINTF(SWM_D_QUIRK,
4998                                     "setquirk: delete #%d %s:%s\n",
4999                                     i, quirks[i].class, quirks[i].name);
5000                                 free(quirks[i].class);
5001                                 free(quirks[i].name);
5002                                 j = quirks_length - 1;
5003                                 if (i < j)
5004                                         quirks[i] = quirks[j];
5005                                 quirks_length--;
5006                                 return;
5007                         } else {
5008                                 /* found: replace */
5009                                 DNPRINTF(SWM_D_QUIRK,
5010                                     "setquirk: replace #%d %s:%s\n",
5011                                     i, quirks[i].class, quirks[i].name);
5012                                 free(quirks[i].class);
5013                                 free(quirks[i].name);
5014                                 quirks[i].class = strdup(class);
5015                                 quirks[i].name = strdup(name);
5016                                 quirks[i].quirk = quirk;
5017                                 return;
5018                         }
5019                 }
5020         }
5021         if (!quirk) {
5022                 fprintf(stderr,
5023                     "error: setquirk: cannot find class/name combination");
5024                 return;
5025         }
5026         /* not found: add */
5027         if (quirks_size == 0 || quirks == NULL) {
5028                 quirks_size = 4;
5029                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
5030                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
5031                 if (quirks == NULL) {
5032                         fprintf(stderr, "setquirk: malloc failed\n");
5033                         perror(" failed");
5034                         quit(NULL, NULL);
5035                 }
5036         } else if (quirks_length == quirks_size) {
5037                 quirks_size *= 2;
5038                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
5039                 quirks = realloc(quirks,
5040                     (size_t)quirks_size * sizeof(struct quirk));
5041                 if (quirks == NULL) {
5042                         fprintf(stderr, "setquirk: realloc failed\n");
5043                         perror(" failed");
5044                         quit(NULL, NULL);
5045                 }
5046         }
5047         if (quirks_length < quirks_size) {
5048                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
5049                 j = quirks_length++;
5050                 quirks[j].class = strdup(class);
5051                 quirks[j].name = strdup(name);
5052                 quirks[j].quirk = quirk;
5053         } else {
5054                 fprintf(stderr, "quirks array problem?\n");
5055                 if (quirks == NULL) {
5056                         fprintf(stderr, "quirks array problem!\n");
5057                         quit(NULL, NULL);
5058                 }
5059         }
5060 }
5061
5062 int
5063 setconfquirk(char *selector, char *value, int flags)
5064 {
5065         char                    *cp, *class, *name;
5066         int                     retval;
5067         unsigned long           quirks;
5068         if (selector == NULL)
5069                 return (0);
5070         if ((cp = strchr(selector, ':')) == NULL)
5071                 return (0);
5072         *cp = '\0';
5073         class = selector;
5074         name = cp + 1;
5075         if ((retval = parsequirks(value, &quirks)) == 0)
5076                 setquirk(class, name, quirks);
5077         return (retval);
5078 }
5079
5080 void
5081 setup_quirks(void)
5082 {
5083         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5084         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5085         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5086         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5087         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5088         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5089         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5090         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5091         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5092         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5093         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5094         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5095         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5096 }
5097
5098 /* conf file stuff */
5099 #define SWM_CONF_FILE   "scrotwm.conf"
5100
5101 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
5102           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
5103           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
5104           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
5105           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
5106           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
5107           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
5108           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
5109           SWM_S_VERBOSE_LAYOUT, SWM_S_BAR_JUSTIFY
5110         };
5111
5112 int
5113 setconfvalue(char *selector, char *value, int flags)
5114 {
5115         int     i;
5116
5117         switch (flags) {
5118         case SWM_S_BAR_DELAY:
5119                 bar_delay = atoi(value);
5120                 break;
5121         case SWM_S_BAR_ENABLED:
5122                 bar_enabled = atoi(value);
5123                 break;
5124         case SWM_S_BAR_BORDER_WIDTH:
5125                 bar_border_width = atoi(value);
5126                 break;
5127         case SWM_S_BAR_AT_BOTTOM:
5128                 bar_at_bottom = atoi(value);
5129                 break;
5130         case SWM_S_BAR_JUSTIFY:
5131                 if (!strcmp(value, "left"))
5132                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5133                 else if (!strcmp(value, "center"))
5134                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5135                 else if (!strcmp(value, "right"))
5136                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5137                 else
5138                         errx(1, "invalid bar_justify");
5139                 break;
5140         case SWM_S_STACK_ENABLED:
5141                 stack_enabled = atoi(value);
5142                 break;
5143         case SWM_S_CLOCK_ENABLED:
5144                 clock_enabled = atoi(value);
5145                 break;
5146         case SWM_S_CLOCK_FORMAT:
5147 #ifndef SWM_DENY_CLOCK_FORMAT
5148                 free(clock_format);
5149                 if ((clock_format = strdup(value)) == NULL)
5150                         err(1, "setconfvalue: clock_format");
5151 #endif
5152                 break;
5153         case SWM_S_CYCLE_EMPTY:
5154                 cycle_empty = atoi(value);
5155                 break;
5156         case SWM_S_CYCLE_VISIBLE:
5157                 cycle_visible = atoi(value);
5158                 break;
5159         case SWM_S_SS_ENABLED:
5160                 ss_enabled = atoi(value);
5161                 break;
5162         case SWM_S_TERM_WIDTH:
5163                 term_width = atoi(value);
5164                 break;
5165         case SWM_S_TITLE_CLASS_ENABLED:
5166                 title_class_enabled = atoi(value);
5167                 break;
5168         case SWM_S_WINDOW_NAME_ENABLED:
5169                 window_name_enabled = atoi(value);
5170                 break;
5171         case SWM_S_TITLE_NAME_ENABLED:
5172                 title_name_enabled = atoi(value);
5173                 break;
5174         case SWM_S_URGENT_ENABLED:
5175                 urgent_enabled = atoi(value);
5176                 break;
5177         case SWM_S_FOCUS_MODE:
5178                 if (!strcmp(value, "default"))
5179                         focus_mode = SWM_FOCUS_DEFAULT;
5180                 else if (!strcmp(value, "follow_cursor"))
5181                         focus_mode = SWM_FOCUS_FOLLOW;
5182                 else if (!strcmp(value, "synergy"))
5183                         focus_mode = SWM_FOCUS_SYNERGY;
5184                 else
5185                         errx(1, "focus_mode");
5186                 break;
5187         case SWM_S_DISABLE_BORDER:
5188                 disable_border = atoi(value);
5189                 break;
5190         case SWM_S_BORDER_WIDTH:
5191                 border_width = atoi(value);
5192                 break;
5193         case SWM_S_BAR_FONT:
5194                 free(bar_fonts[0]);
5195                 if ((bar_fonts[0] = strdup(value)) == NULL)
5196                         err(1, "setconfvalue: bar_font");
5197                 break;
5198         case SWM_S_BAR_ACTION:
5199                 free(bar_argv[0]);
5200                 if ((bar_argv[0] = strdup(value)) == NULL)
5201                         err(1, "setconfvalue: bar_action");
5202                 break;
5203         case SWM_S_SPAWN_TERM:
5204                 free(spawn_term[0]);
5205                 if ((spawn_term[0] = strdup(value)) == NULL)
5206                         err(1, "setconfvalue: spawn_term");
5207                 break;
5208         case SWM_S_SS_APP:
5209                 break;
5210         case SWM_S_DIALOG_RATIO:
5211                 dialog_ratio = atof(value);
5212                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5213                         dialog_ratio = .6;
5214                 break;
5215         case SWM_S_VERBOSE_LAYOUT:
5216                 verbose_layout = atoi(value);
5217                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5218                         if (verbose_layout)
5219                                 layouts[i].l_string = fancy_stacker;
5220                         else
5221                                 layouts[i].l_string = plain_stacker;
5222                 }
5223                 break;
5224         default:
5225                 return (1);
5226         }
5227         return (0);
5228 }
5229
5230 int
5231 setconfmodkey(char *selector, char *value, int flags)
5232 {
5233         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5234                 update_modkey(Mod1Mask);
5235         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5236                 update_modkey(Mod2Mask);
5237         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5238                 update_modkey(Mod3Mask);
5239         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5240                 update_modkey(Mod4Mask);
5241         else
5242                 return (1);
5243         return (0);
5244 }
5245
5246 int
5247 setconfcolor(char *selector, char *value, int flags)
5248 {
5249         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5250         return (0);
5251 }
5252
5253 int
5254 setconfregion(char *selector, char *value, int flags)
5255 {
5256         custom_region(value);
5257         return (0);
5258 }
5259
5260 int
5261 setautorun(char *selector, char *value, int flags)
5262 {
5263         int                     ws_id;
5264         char                    s[1024];
5265         char                    *ap, *sp = s;
5266         union arg               a;
5267         int                     argc = 0;
5268         long                    pid;
5269         struct pid_e            *p;
5270
5271         if (getenv("SWM_STARTED"))
5272                 return (0);
5273
5274         bzero(s, sizeof s);
5275         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5276                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5277         ws_id--;
5278         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5279                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5280
5281         /*
5282          * This is a little intricate
5283          *
5284          * If the pid already exists we simply reuse it because it means it was
5285          * used before AND not claimed by manage_window.  We get away with
5286          * altering it in the parent after INSERT because this can not be a race
5287          */
5288         a.argv = NULL;
5289         while ((ap = strsep(&sp, " \t")) != NULL) {
5290                 if (*ap == '\0')
5291                         continue;
5292                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5293                 argc++;
5294                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5295                         err(1, "setautorun: realloc");
5296                 a.argv[argc - 1] = ap;
5297         }
5298
5299         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5300                 err(1, "setautorun: realloc");
5301         a.argv[argc] = NULL;
5302
5303         if ((pid = fork()) == 0) {
5304                 spawn(ws_id, &a, 1);
5305                 /* NOTREACHED */
5306                 _exit(1);
5307         }
5308         free(a.argv);
5309
5310         /* parent */
5311         p = find_pid(pid);
5312         if (p == NULL) {
5313                 p = calloc(1, sizeof *p);
5314                 if (p == NULL)
5315                         return (1);
5316                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5317         }
5318
5319         p->pid = pid;
5320         p->ws = ws_id;
5321
5322         return (0);
5323 }
5324
5325 int
5326 setlayout(char *selector, char *value, int flags)
5327 {
5328         int                     ws_id, i, x, mg, ma, si, raise;
5329         int                     st = SWM_V_STACK;
5330         char                    s[1024];
5331         struct workspace        *ws;
5332
5333         if (getenv("SWM_STARTED"))
5334                 return (0);
5335
5336         bzero(s, sizeof s);
5337         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5338             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5339                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5340                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5341                     "<type>'");
5342         ws_id--;
5343         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5344                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5345
5346         if (!strcasecmp(s, "vertical"))
5347                 st = SWM_V_STACK;
5348         else if (!strcasecmp(s, "horizontal"))
5349                 st = SWM_H_STACK;
5350         else if (!strcasecmp(s, "fullscreen"))
5351                 st = SWM_MAX_STACK;
5352         else
5353                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5354                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5355                     "<type>'");
5356
5357         for (i = 0; i < ScreenCount(display); i++) {
5358                 ws = (struct workspace *)&screens[i].ws;
5359                 ws[ws_id].cur_layout = &layouts[st];
5360
5361                 ws[ws_id].always_raise = raise;
5362                 if (st == SWM_MAX_STACK)
5363                         continue;
5364
5365                 /* master grow */
5366                 for (x = 0; x < abs(mg); x++) {
5367                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5368                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5369                             SWM_ARG_ID_MASTERSHRINK);
5370                         stack();
5371                 }
5372                 /* master add */
5373                 for (x = 0; x < abs(ma); x++) {
5374                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5375                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5376                             SWM_ARG_ID_MASTERDEL);
5377                         stack();
5378                 }
5379                 /* stack inc */
5380                 for (x = 0; x < abs(si); x++) {
5381                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5382                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5383                             SWM_ARG_ID_STACKDEC);
5384                         stack();
5385                 }
5386         }
5387
5388         return (0);
5389 }
5390
5391 /* config options */
5392 struct config_option {
5393         char                    *optname;
5394         int                     (*func)(char*, char*, int);
5395         int                     funcflags;
5396 };
5397 struct config_option configopt[] = {
5398         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5399         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5400         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5401         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5402         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5403         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5404         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5405         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5406         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5407         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5408         { "keyboard_mapping",           setkeymapping,  0 },
5409         { "bind",                       setconfbinding, 0 },
5410         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5411         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5412         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5413         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5414         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5415         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5416         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5417         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5418         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5419         { "modkey",                     setconfmodkey,  0 },
5420         { "program",                    setconfspawn,   0 },
5421         { "quirk",                      setconfquirk,   0 },
5422         { "region",                     setconfregion,  0 },
5423         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5424         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5425         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5426         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5427         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5428         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5429         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5430         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5431         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5432         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5433         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5434         { "autorun",                    setautorun,     0 },
5435         { "layout",                     setlayout,      0 },
5436 };
5437
5438
5439 int
5440 conf_load(char *filename, int keymapping)
5441 {
5442         FILE                    *config;
5443         char                    *line, *cp, *optsub, *optval;
5444         size_t                  linelen, lineno = 0;
5445         int                     wordlen, i, optind;
5446         struct config_option    *opt;
5447
5448         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
5449
5450         if (filename == NULL) {
5451                 fprintf(stderr, "conf_load: no filename\n");
5452                 return (1);
5453         }
5454         if ((config = fopen(filename, "r")) == NULL) {
5455                 warn("conf_load: fopen: %s", filename);
5456                 return (1);
5457         }
5458
5459         while (!feof(config)) {
5460                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5461                     == NULL) {
5462                         if (ferror(config))
5463                                 err(1, "%s", filename);
5464                         else
5465                                 continue;
5466                 }
5467                 cp = line;
5468                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5469                 if (cp[0] == '\0') {
5470                         /* empty line */
5471                         free(line);
5472                         continue;
5473                 }
5474                 /* get config option */
5475                 wordlen = strcspn(cp, "=[ \t\n");
5476                 if (wordlen == 0) {
5477                         warnx("%s: line %zd: no option found",
5478                             filename, lineno);
5479                         goto out;
5480                 }
5481                 optind = -1;
5482                 for (i = 0; i < LENGTH(configopt); i++) {
5483                         opt = &configopt[i];
5484                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5485                             strlen(opt->optname) == wordlen) {
5486                                 optind = i;
5487                                 break;
5488                         }
5489                 }
5490                 if (optind == -1) {
5491                         warnx("%s: line %zd: unknown option %.*s",
5492                             filename, lineno, wordlen, cp);
5493                         goto out;
5494                 }
5495                 if (keymapping && strcmp(opt->optname, "bind")) {
5496                         warnx("%s: line %zd: invalid option %.*s",
5497                             filename, lineno, wordlen, cp);
5498                         goto out;
5499                 }
5500                 cp += wordlen;
5501                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5502                 /* get [selector] if any */
5503                 optsub = NULL;
5504                 if (*cp == '[') {
5505                         cp++;
5506                         wordlen = strcspn(cp, "]");
5507                         if (*cp != ']') {
5508                                 if (wordlen == 0) {
5509                                         warnx("%s: line %zd: syntax error",
5510                                             filename, lineno);
5511                                         goto out;
5512                                 }
5513
5514                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
5515                                     -1) {
5516                                         warnx("%s: line %zd: unable to allocate"
5517                                             "memory for selector", filename,
5518                                             lineno);
5519                                         goto out;
5520                                 }
5521                         }
5522                         cp += wordlen;
5523                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5524                 }
5525                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5526                 /* get RHS value */
5527                 optval = strdup(cp);
5528                 /* call function to deal with it all */
5529                 if (configopt[optind].func(optsub, optval,
5530                     configopt[optind].funcflags) != 0) {
5531                         fprintf(stderr, "%s line %zd: %s\n",
5532                             filename, lineno, line);
5533                         errx(1, "%s: line %zd: invalid data for %s",
5534                             filename, lineno, configopt[optind].optname);
5535                 }
5536                 free(optval);
5537                 free(optsub);
5538                 free(line);
5539         }
5540
5541         fclose(config);
5542         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
5543
5544         return (0);
5545
5546 out:
5547         free(line);
5548         fclose(config);
5549
5550         return (1);
5551 }
5552
5553 void
5554 set_child_transient(struct ws_win *win, Window *trans)
5555 {
5556         struct ws_win           *parent, *w;
5557         XWMHints                *wmh = NULL;
5558         struct swm_region       *r;
5559         struct workspace        *ws;
5560
5561         parent = find_window(win->transient);
5562         if (parent)
5563                 parent->child_trans = win;
5564         else {
5565                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5566                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
5567
5568                 if (win->hints == NULL) {
5569                         fprintf(stderr, "no hints for 0x%lx\n", win->id);
5570                         return;
5571                 }
5572
5573                 r = root_to_region(win->wa.root);
5574                 ws = r->ws;
5575                 /* parent doen't exist in our window list */
5576                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5577                         if (wmh)
5578                                 XFree(wmh);
5579
5580                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5581                                 fprintf(stderr, "can't get hints for 0x%lx\n",
5582                                     w->id);
5583                                 continue;
5584                         }
5585
5586                         if (win->hints->window_group != wmh->window_group)
5587                                 continue;
5588
5589                         w->child_trans = win;
5590                         win->transient = w->id;
5591                         *trans = w->id;
5592                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5593                             "transient to 0x%lx\n", win->transient);
5594                         break;
5595                 }
5596         }
5597
5598         if (wmh)
5599                 XFree(wmh);
5600 }
5601
5602 long
5603 window_get_pid(Window win)
5604 {
5605         Atom                    actual_type_return;
5606         int                     actual_format_return = 0;
5607         unsigned long           nitems_return = 0;
5608         unsigned long           bytes_after_return = 0;
5609         long                    *pid = NULL;
5610         long                    ret = 0;
5611         const char              *errstr;
5612         unsigned char           *prop = NULL;
5613
5614         if (XGetWindowProperty(display, win,
5615             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5616             XA_CARDINAL, &actual_type_return, &actual_format_return,
5617             &nitems_return, &bytes_after_return,
5618             (unsigned char**)(void*)&pid) != Success)
5619                 goto tryharder;
5620         if (actual_type_return != XA_CARDINAL)
5621                 goto tryharder;
5622         if (pid == NULL)
5623                 goto tryharder;
5624
5625         ret = *pid;
5626         XFree(pid);
5627
5628         return (ret);
5629
5630 tryharder:
5631         if (XGetWindowProperty(display, win,
5632             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
5633             XA_STRING, &actual_type_return, &actual_format_return,
5634             &nitems_return, &bytes_after_return, &prop) != Success)
5635                 return (0);
5636         if (actual_type_return != XA_STRING)
5637                 return (0);
5638         if (prop == NULL)
5639                 return (0);
5640
5641         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
5642         /* ignore error because strtonum returns 0 anyway */
5643         XFree(prop);
5644
5645         return (ret);
5646 }
5647
5648 struct ws_win *
5649 manage_window(Window id)
5650 {
5651         Window                  trans = 0;
5652         struct workspace        *ws;
5653         struct ws_win           *win, *ww;
5654         int                     format, i, ws_idx, n, border_me = 0;
5655         unsigned long           nitems, bytes;
5656         Atom                    ws_idx_atom = 0, type;
5657         Atom                    *prot = NULL, *pp;
5658         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5659         struct swm_region       *r;
5660         long                    mask;
5661         const char              *errstr;
5662         XWindowChanges          wc;
5663         struct pid_e            *p;
5664
5665         if ((win = find_window(id)) != NULL)
5666                 return (win);   /* already being managed */
5667
5668         /* see if we are on the unmanaged list */
5669         if ((win = find_unmanaged_window(id)) != NULL) {
5670                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
5671                     "window: 0x%lx\n", win->id);
5672                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5673                 if (win->transient) {
5674                         set_child_transient(win, &trans);
5675                 } if (trans && (ww = find_window(trans)))
5676                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5677                 else
5678                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5679                 ewmh_update_actions(win);
5680                 return (win);
5681         }
5682
5683         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5684                 err(1, "manage_window: calloc: failed to allocate memory for "
5685                     "new window");
5686
5687         win->id = id;
5688
5689         /* see if we need to override the workspace */
5690         p = find_pid(window_get_pid(id));
5691
5692         /* Get all the window data in one shot */
5693         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5694         if (ws_idx_atom) {
5695                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5696                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5697         }
5698         XGetWindowAttributes(display, id, &win->wa);
5699         XGetWMNormalHints(display, id, &win->sh, &mask);
5700         win->hints = XGetWMHints(display, id);
5701         XGetTransientForHint(display, id, &trans);
5702         if (trans) {
5703                 win->transient = trans;
5704                 set_child_transient(win, &trans);
5705                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
5706                     "transient: 0x%lx\n", win->id, win->transient);
5707         }
5708
5709         /* get supported protocols */
5710         if (XGetWMProtocols(display, id, &prot, &n)) {
5711                 for (i = 0, pp = prot; i < n; i++, pp++) {
5712                         if (*pp == takefocus)
5713                                 win->take_focus = 1;
5714                         if (*pp == adelete)
5715                                 win->can_delete = 1;
5716                 }
5717                 if (prot)
5718                         XFree(prot);
5719         }
5720
5721         win->iconic = get_iconic(win);
5722
5723         /*
5724          * Figure out where to put the window. If it was previously assigned to
5725          * a workspace (either by spawn() or manually moving), and isn't
5726          * transient, * put it in the same workspace
5727          */
5728         r = root_to_region(win->wa.root);
5729         if (p) {
5730                 ws = &r->s->ws[p->ws];
5731                 TAILQ_REMOVE(&pidlist, p, entry);
5732                 free(p);
5733                 p = NULL;
5734         } else if (prop && win->transient == 0) {
5735                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
5736                 ws_idx = strtonum((const char *)prop, 0, 9, &errstr);
5737                 if (errstr) {
5738                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
5739                             errstr, prop);
5740                 }
5741                 ws = &r->s->ws[ws_idx];
5742         } else {
5743                 ws = r->ws;
5744                 /* this should launch transients in the same ws as parent */
5745                 if (id && trans)
5746                         if ((ww = find_window(trans)) != NULL)
5747                                 if (ws->r) {
5748                                         ws = ww->ws;
5749                                         if (ww->ws->r)
5750                                                 r = ww->ws->r;
5751                                         else
5752                                                 fprintf(stderr,
5753                                                     "manage_window: fix this "
5754                                                     "bug mcbride\n");
5755                                         border_me = 1;
5756                                 }
5757         }
5758
5759         /* set up the window layout */
5760         win->id = id;
5761         win->ws = ws;
5762         win->s = r->s;  /* this never changes */
5763         if (trans && (ww = find_window(trans)))
5764                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5765         else
5766                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5767
5768         WIDTH(win) = win->wa.width;
5769         HEIGHT(win) = win->wa.height;
5770         X(win) = win->wa.x;
5771         Y(win) = win->wa.y;
5772         win->g_floatvalid = 0;
5773         win->floatmaxed = 0;
5774         win->ewmh_flags = 0;
5775
5776         /* Set window properties so we can remember this after reincarnation */
5777         if (ws_idx_atom && prop == NULL &&
5778             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
5779                 SWM_PROPLEN) {
5780                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
5781                     ws_idx_str);
5782                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5783                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5784         }
5785         if (prop)
5786                 XFree(prop);
5787
5788         ewmh_autoquirk(win);
5789
5790         if (XGetClassHint(display, win->id, &win->ch)) {
5791                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
5792                     win->ch.res_class, win->ch.res_name);
5793
5794                 /* java is retarded so treat it special */
5795                 if (strstr(win->ch.res_name, "sun-awt")) {
5796                         win->java = 1;
5797                         border_me = 1;
5798                 }
5799
5800                 for (i = 0; i < quirks_length; i++){
5801                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
5802                             !strcmp(win->ch.res_name, quirks[i].name)) {
5803                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
5804                                     "class: %s, name: %s\n", win->ch.res_class,
5805                                     win->ch.res_name);
5806                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
5807                                         win->floating = 1;
5808                                         border_me = 1;
5809                                 }
5810                                 win->quirks = quirks[i].quirk;
5811                         }
5812                 }
5813         }
5814
5815         /* alter window position if quirky */
5816         if (win->quirks & SWM_Q_ANYWHERE) {
5817                 win->manual = 1; /* don't center the quirky windows */
5818                 bzero(&wc, sizeof wc);
5819                 mask = 0;
5820                 if (bar_enabled && Y(win) < bar_height) {
5821                         Y(win) = wc.y = bar_height;
5822                         mask |= CWY;
5823                 }
5824                 if (WIDTH(win) + X(win) > WIDTH(r)) {
5825                         X(win) = wc.x = WIDTH(r) - WIDTH(win) - 2;
5826                         mask |= CWX;
5827                 }
5828                 border_me = 1;
5829         }
5830
5831         /* Reset font sizes (the bruteforce way; no default keybinding). */
5832         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5833                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5834                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5835                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5836                         fake_keypress(win, XK_KP_Add, ShiftMask);
5837         }
5838
5839         ewmh_get_win_state(win);
5840         ewmh_update_actions(win);
5841         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5842
5843         /* border me */
5844         if (border_me) {
5845                 bzero(&wc, sizeof wc);
5846                 wc.border_width = border_width;
5847                 mask = CWBorderWidth;
5848                 XConfigureWindow(display, win->id, mask, &wc);
5849         }
5850
5851         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5852             PropertyChangeMask | StructureNotifyMask);
5853
5854         /* floaters need to be mapped if they are in the current workspace */
5855         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5856                 XMapRaised(display, win->id);
5857
5858         return (win);
5859 }
5860
5861 void
5862 free_window(struct ws_win *win)
5863 {
5864         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
5865
5866         if (win == NULL)
5867                 return;
5868
5869         /* needed for restart wm */
5870         set_win_state(win, WithdrawnState);
5871
5872         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5873
5874         if (win->ch.res_class)
5875                 XFree(win->ch.res_class);
5876         if (win->ch.res_name)
5877                 XFree(win->ch.res_name);
5878
5879         kill_refs(win);
5880
5881         /* paint memory */
5882         memset(win, 0xff, sizeof *win); /* XXX kill later */
5883
5884         free(win);
5885 }
5886
5887 void
5888 unmanage_window(struct ws_win *win)
5889 {
5890         struct ws_win           *parent;
5891
5892         if (win == NULL)
5893                 return;
5894
5895         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
5896
5897         if (win->transient) {
5898                 parent = find_window(win->transient);
5899                 if (parent)
5900                         parent->child_trans = NULL;
5901         }
5902
5903         /* focus on root just in case */
5904         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5905
5906         focus_prev(win);
5907
5908         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5909         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5910
5911         kill_refs(win);
5912 }
5913
5914 void
5915 focus_magic(struct ws_win *win)
5916 {
5917         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
5918
5919         if (win == NULL)
5920                 return;
5921
5922         if (win->child_trans) {
5923                 /* win = parent & has a transient so focus on that */
5924                 if (win->java) {
5925                         focus_win(win->child_trans);
5926                         if (win->child_trans->take_focus)
5927                                 client_msg(win, takefocus);
5928                 } else {
5929                         /* make sure transient hasn't dissapeared */
5930                         if (validate_win(win->child_trans) == 0) {
5931                                 focus_win(win->child_trans);
5932                                 if (win->child_trans->take_focus)
5933                                         client_msg(win->child_trans, takefocus);
5934                         } else {
5935                                 win->child_trans = NULL;
5936                                 focus_win(win);
5937                                 if (win->take_focus)
5938                                         client_msg(win, takefocus);
5939                         }
5940                 }
5941         } else {
5942                 /* regular focus */
5943                 focus_win(win);
5944                 if (win->take_focus)
5945                         client_msg(win, takefocus);
5946         }
5947 }
5948
5949 void
5950 expose(XEvent *e)
5951 {
5952         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
5953 }
5954
5955 void
5956 keypress(XEvent *e)
5957 {
5958         unsigned int            i;
5959         KeySym                  keysym;
5960         XKeyEvent               *ev = &e->xkey;
5961
5962         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
5963         for (i = 0; i < keys_length; i++)
5964                 if (keysym == keys[i].keysym
5965                     && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
5966                     && keyfuncs[keys[i].funcid].func) {
5967                         if (keys[i].funcid == kf_spawn_custom)
5968                                 spawn_custom(
5969                                     root_to_region(ev->root),
5970                                     &(keyfuncs[keys[i].funcid].args),
5971                                     keys[i].spawn_name
5972                                     );
5973                         else
5974                                 keyfuncs[keys[i].funcid].func(
5975                                     root_to_region(ev->root),
5976                                     &(keyfuncs[keys[i].funcid].args)
5977                                     );
5978                 }
5979 }
5980
5981 void
5982 buttonpress(XEvent *e)
5983 {
5984         struct ws_win           *win;
5985         int                     i, action;
5986         XButtonPressedEvent     *ev = &e->xbutton;
5987
5988         if ((win = find_window(ev->window)) == NULL)
5989                 return;
5990
5991         focus_magic(win);
5992         action = client_click;
5993
5994         for (i = 0; i < LENGTH(buttons); i++)
5995                 if (action == buttons[i].action && buttons[i].func &&
5996                     buttons[i].button == ev->button &&
5997                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
5998                         buttons[i].func(win, &buttons[i].args);
5999 }
6000
6001 void
6002 configurerequest(XEvent *e)
6003 {
6004         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6005         struct ws_win           *win;
6006         int                     new = 0;
6007         XWindowChanges          wc;
6008
6009         if ((win = find_window(ev->window)) == NULL)
6010                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6011                         new = 1;
6012
6013         DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%lx, new: %s\n",
6014             ev->window, YESNO(new));
6015
6016         if (new) {
6017                 bzero(&wc, sizeof wc);
6018                 wc.x = ev->x;
6019                 wc.y = ev->y;
6020                 wc.width = ev->width;
6021                 wc.height = ev->height;
6022                 wc.border_width = ev->border_width;
6023                 wc.sibling = ev->above;
6024                 wc.stack_mode = ev->detail;
6025                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6026         } else {
6027                 config_win(win, ev);
6028         }
6029 }
6030
6031 void
6032 configurenotify(XEvent *e)
6033 {
6034         struct ws_win           *win;
6035         long                    mask;
6036
6037         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6038             e->xconfigure.window);
6039
6040         win = find_window(e->xconfigure.window);
6041         if (win) {
6042                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6043                 adjust_font(win);
6044                 if (font_adjusted)
6045                         stack();
6046                 if (focus_mode == SWM_FOCUS_DEFAULT)
6047                         drain_enter_notify();
6048         }
6049 }
6050
6051 void
6052 destroynotify(XEvent *e)
6053 {
6054         struct ws_win           *win;
6055         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6056
6057         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6058
6059         if ((win = find_window(ev->window)) == NULL) {
6060                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6061                         return;
6062                 free_window(win);
6063                 return;
6064         }
6065
6066         /* make sure we focus on something */
6067         win->floating = 0;
6068
6069         unmanage_window(win);
6070         stack();
6071         if (focus_mode == SWM_FOCUS_DEFAULT)
6072                 drain_enter_notify();
6073         free_window(win);
6074 }
6075
6076 void
6077 enternotify(XEvent *e)
6078 {
6079         XCrossingEvent          *ev = &e->xcrossing;
6080         XEvent                  cne;
6081         struct ws_win           *win;
6082 #if 0
6083         struct ws_win           *w;
6084         Window                  focus_return;
6085         int                     revert_to_return;
6086 #endif
6087         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6088             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6089             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6090             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6091
6092         if (ev->mode != NotifyNormal) {
6093                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6094                     "cursor grab.\n");
6095                 return;
6096         }
6097
6098         switch (focus_mode) {
6099         case SWM_FOCUS_DEFAULT:
6100                 break;
6101         case SWM_FOCUS_FOLLOW:
6102                 break;
6103         case SWM_FOCUS_SYNERGY:
6104 #if 0
6105         /*
6106          * all these checks need to be in this order because the
6107          * XCheckTypedWindowEvent relies on weeding out the previous events
6108          *
6109          * making this code an option would enable a follow mouse for focus
6110          * feature
6111          */
6112
6113         /*
6114          * state is set when we are switching workspaces and focus is set when
6115          * the window or a subwindow already has focus (occurs during restart).
6116          *
6117          * Only honor the focus flag if last_focus_event is not FocusOut,
6118          * this allows scrotwm to continue to control focus when another
6119          * program is also playing with it.
6120          */
6121         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6122                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6123                 return;
6124         }
6125
6126         /*
6127          * happens when a window is created or destroyed and the border
6128          * crosses the mouse pointer and when switching ws
6129          *
6130          * we need the subwindow test to see if we came from root in order
6131          * to give focus to floaters
6132          */
6133         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6134             ev->subwindow == 0) {
6135                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6136                 return;
6137         }
6138
6139         /* this window already has focus */
6140         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6141                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6142                 return;
6143         }
6144
6145         /* this window is being deleted or moved to another ws */
6146         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6147             &cne) == True) {
6148                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6149                 XPutBackEvent(display, &cne);
6150                 return;
6151         }
6152
6153         if ((win = find_window(ev->window)) == NULL) {
6154                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6155                 return;
6156         }
6157
6158         /*
6159          * In fullstack kill all enters unless they come from a different ws
6160          * (i.e. another region) or focus has been grabbed externally.
6161          */
6162         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6163             last_focus_event != FocusOut) {
6164                 XGetInputFocus(display, &focus_return, &revert_to_return);
6165                 if ((w = find_window(focus_return)) == NULL ||
6166                     w->ws == win->ws) {
6167                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6168                         return;
6169                 }
6170         }
6171 #endif
6172                 break;
6173         }
6174
6175         if ((win = find_window(ev->window)) == NULL) {
6176                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6177                 return;
6178         }
6179
6180         /*
6181          * if we have more enternotifies let them handle it in due time
6182          */
6183         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6184                 DNPRINTF(SWM_D_EVENT,
6185                     "ignoring enternotify: got more enternotify\n");
6186                 XPutBackEvent(display, &cne);
6187                 return;
6188         }
6189
6190         focus_magic(win);
6191 }
6192
6193 /* lets us use one switch statement for arbitrary mode/detail combinations */
6194 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6195
6196 void
6197 focusevent(XEvent *e)
6198 {
6199 #if 0
6200         struct ws_win           *win;
6201         u_int32_t               mode_detail;
6202         XFocusChangeEvent       *ev = &e->xfocus;
6203
6204         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6205             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6206             ev->window, ev->mode, ev->detail);
6207
6208         if (last_focus_event == ev->type) {
6209                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6210                 return;
6211         }
6212
6213         last_focus_event = ev->type;
6214         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6215
6216         switch (mode_detail) {
6217         /* synergy client focus operations */
6218         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6219         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6220
6221         /* synergy server focus operations */
6222         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6223
6224         /* Entering applications like rdesktop that mangle the pointer */
6225         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6226
6227                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6228                         XSetWindowBorder(display, win->id,
6229                             win->ws->r->s->c[ev->type == FocusIn ?
6230                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6231                 break;
6232         default:
6233                 fprintf(stderr, "ignoring focusevent\n");
6234                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6235                 break;
6236         }
6237 #endif
6238 }
6239
6240 void
6241 mapnotify(XEvent *e)
6242 {
6243         struct ws_win           *win;
6244         XMapEvent               *ev = &e->xmap;
6245
6246         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6247
6248         win = manage_window(ev->window);
6249         if (win)
6250                 set_win_state(win, NormalState);
6251 }
6252
6253 void
6254 mappingnotify(XEvent *e)
6255 {
6256         XMappingEvent           *ev = &e->xmapping;
6257
6258         XRefreshKeyboardMapping(ev);
6259         if (ev->request == MappingKeyboard)
6260                 grabkeys();
6261 }
6262
6263 void
6264 maprequest(XEvent *e)
6265 {
6266         struct ws_win           *win;
6267         struct swm_region       *r;
6268         XWindowAttributes       wa;
6269         XMapRequestEvent        *ev = &e->xmaprequest;
6270
6271         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6272             e->xmaprequest.window);
6273
6274         if (!XGetWindowAttributes(display, ev->window, &wa))
6275                 return;
6276         if (wa.override_redirect)
6277                 return;
6278
6279         win = manage_window(e->xmaprequest.window);
6280         if (win == NULL)
6281                 return; /* can't happen */
6282
6283         stack();
6284
6285         /* make new win focused */
6286         r = root_to_region(win->wa.root);
6287         if (win->ws == r->ws)
6288                 focus_magic(win);
6289 }
6290
6291 void
6292 propertynotify(XEvent *e)
6293 {
6294         struct ws_win           *win;
6295         XPropertyEvent          *ev = &e->xproperty;
6296
6297         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6298             ev->window, XGetAtomName(display, ev->atom));
6299
6300         win = find_window(ev->window);
6301         if (win == NULL)
6302                 return;
6303
6304         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6305                 update_iconic(win, 0);
6306                 XMapRaised(display, win->id);
6307                 stack();
6308                 focus_win(win);
6309                 return;
6310         }
6311
6312         switch (ev->atom) {
6313 #if 0
6314         case XA_WM_NORMAL_HINTS:
6315                 long            mask;
6316                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6317                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
6318                 if (win->sh.flags & PMinSize) {
6319                         WIDTH(win) = win->sh.min_width;
6320                         HEIGHT(win) = win->sh.min_height;
6321                         fprintf(stderr, "min %d %d\n", WIDTH(win), HEIGHT(win));
6322                 }
6323                 XMoveResizeWindow(display, win->id,
6324                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6325 #endif
6326         case XA_WM_CLASS:
6327                 if (title_name_enabled || title_class_enabled)
6328                         bar_update();
6329                 break;
6330         case XA_WM_NAME:
6331                 if (window_name_enabled)
6332                         bar_update();
6333                 break;
6334         default:
6335                 break;
6336         }
6337 }
6338
6339 void
6340 unmapnotify(XEvent *e)
6341 {
6342         struct ws_win           *win;
6343
6344         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
6345
6346         /* determine if we need to help unmanage this window */
6347         win = find_window(e->xunmap.window);
6348         if (win == NULL)
6349                 return;
6350
6351         if (getstate(e->xunmap.window) == NormalState) {
6352                 unmanage_window(win);
6353                 stack();
6354
6355                 /* giant hack for apps that don't destroy transient windows */
6356                 /* eat a bunch of events to prevent remanaging the window */
6357                 XEvent                  cne;
6358                 while (XCheckWindowEvent(display, e->xunmap.window,
6359                     EnterWindowMask, &cne))
6360                         ;
6361                 while (XCheckWindowEvent(display, e->xunmap.window,
6362                     StructureNotifyMask, &cne))
6363                         ;
6364                 while (XCheckWindowEvent(display, e->xunmap.window,
6365                     SubstructureNotifyMask, &cne))
6366                         ;
6367                 /* resend unmap because we ated it */
6368                 XUnmapWindow(display, e->xunmap.window);
6369         }
6370
6371         if (focus_mode == SWM_FOCUS_DEFAULT)
6372                 drain_enter_notify();
6373 }
6374
6375 void
6376 visibilitynotify(XEvent *e)
6377 {
6378         int                     i;
6379         struct swm_region       *r;
6380
6381         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
6382             e->xvisibility.window);
6383         if (e->xvisibility.state == VisibilityUnobscured)
6384                 for (i = 0; i < ScreenCount(display); i++)
6385                         TAILQ_FOREACH(r, &screens[i].rl, entry)
6386                                 if (e->xvisibility.window == r->bar_window)
6387                                         bar_update();
6388 }
6389
6390 void
6391 clientmessage(XEvent *e)
6392 {
6393         XClientMessageEvent *ev;
6394         struct ws_win *win;
6395
6396         ev = &e->xclient;
6397
6398         win = find_window(ev->window);
6399         if (win == NULL)
6400                 return;
6401
6402         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
6403             ev->window, ev->message_type);
6404
6405         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6406                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
6407                 focus_win(win);
6408         }
6409         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6410                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
6411                 if (win->can_delete)
6412                         client_msg(win, adelete);
6413                 else
6414                         XKillClient(display, win->id);
6415         }
6416         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6417                 DNPRINTF(SWM_D_EVENT,
6418                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
6419                 if (win->floating) {
6420                         if (ev->data.l[0] & (1<<8)) /* x */
6421                                 X(win) = ev->data.l[1];
6422                         if (ev->data.l[0] & (1<<9)) /* y */
6423                                 Y(win) = ev->data.l[2];
6424                         if (ev->data.l[0] & (1<<10)) /* width */
6425                                 WIDTH(win) = ev->data.l[3];
6426                         if (ev->data.l[0] & (1<<11)) /* height */
6427                                 HEIGHT(win) = ev->data.l[4];
6428
6429                         update_window(win);
6430                 }
6431                 else {
6432                         /* TODO: Change stack sizes */
6433                         /* notify no change was made. */
6434                         config_win(win, NULL);
6435                 }
6436         }
6437         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
6438                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
6439                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
6440                 if (ev->data.l[2])
6441                         ewmh_update_win_state(win, ev->data.l[2],
6442                             ev->data.l[0]);
6443
6444                 stack();
6445         }
6446 }
6447
6448 int
6449 xerror_start(Display *d, XErrorEvent *ee)
6450 {
6451         other_wm = 1;
6452         return (-1);
6453 }
6454
6455 int
6456 xerror(Display *d, XErrorEvent *ee)
6457 {
6458         /* fprintf(stderr, "error: %p %p\n", display, ee); */
6459         return (-1);
6460 }
6461
6462 int
6463 active_wm(void)
6464 {
6465         other_wm = 0;
6466         xerrorxlib = XSetErrorHandler(xerror_start);
6467
6468         /* this causes an error if some other window manager is running */
6469         XSelectInput(display, DefaultRootWindow(display),
6470             SubstructureRedirectMask);
6471         XSync(display, False);
6472         if (other_wm)
6473                 return (1);
6474
6475         XSetErrorHandler(xerror);
6476         XSync(display, False);
6477         return (0);
6478 }
6479
6480 void
6481 new_region(struct swm_screen *s, int x, int y, int w, int h)
6482 {
6483         struct swm_region       *r, *n;
6484         struct workspace        *ws = NULL;
6485         int                     i;
6486
6487         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6488              s->idx, w, h, x, y);
6489
6490         /* remove any conflicting regions */
6491         n = TAILQ_FIRST(&s->rl);
6492         while (n) {
6493                 r = n;
6494                 n = TAILQ_NEXT(r, entry);
6495                 if (X(r) < (x + w) &&
6496                     (X(r) + WIDTH(r)) > x &&
6497                     Y(r) < (y + h) &&
6498                     (Y(r) + HEIGHT(r)) > y) {
6499                         if (r->ws->r != NULL)
6500                                 r->ws->old_r = r->ws->r;
6501                         r->ws->r = NULL;
6502                         XDestroyWindow(display, r->bar_window);
6503                         TAILQ_REMOVE(&s->rl, r, entry);
6504                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6505                 }
6506         }
6507
6508         /* search old regions for one to reuse */
6509
6510         /* size + location match */
6511         TAILQ_FOREACH(r, &s->orl, entry)
6512                 if (X(r) == x && Y(r) == y &&
6513                     HEIGHT(r) == h && WIDTH(r) == w)
6514                         break;
6515
6516         /* size match */
6517         TAILQ_FOREACH(r, &s->orl, entry)
6518                 if (HEIGHT(r) == h && WIDTH(r) == w)
6519                         break;
6520
6521         if (r != NULL) {
6522                 TAILQ_REMOVE(&s->orl, r, entry);
6523                 /* try to use old region's workspace */
6524                 if (r->ws->r == NULL)
6525                         ws = r->ws;
6526         } else
6527                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6528                         err(1, "new_region: calloc: failed to allocate memory "
6529                             "for screen");
6530
6531         /* if we don't have a workspace already, find one */
6532         if (ws == NULL) {
6533                 for (i = 0; i < SWM_WS_MAX; i++)
6534                         if (s->ws[i].r == NULL) {
6535                                 ws = &s->ws[i];
6536                                 break;
6537                         }
6538         }
6539
6540         if (ws == NULL)
6541                 errx(1, "new_region: no free workspaces");
6542
6543         X(r) = x;
6544         Y(r) = y;
6545         WIDTH(r) = w;
6546         HEIGHT(r) = h;
6547         r->s = s;
6548         r->ws = ws;
6549         r->ws_prior = NULL;
6550         ws->r = r;
6551         outputs++;
6552         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6553 }
6554
6555 void
6556 scan_xrandr(int i)
6557 {
6558 #ifdef SWM_XRR_HAS_CRTC
6559         XRRCrtcInfo             *ci;
6560         XRRScreenResources      *sr;
6561         int                     c;
6562         int                     ncrtc = 0;
6563 #endif /* SWM_XRR_HAS_CRTC */
6564         struct swm_region       *r;
6565
6566
6567         if (i >= ScreenCount(display))
6568                 errx(1, "scan_xrandr: invalid screen");
6569
6570         /* remove any old regions */
6571         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6572                 r->ws->old_r = r->ws->r = NULL;
6573                 XDestroyWindow(display, r->bar_window);
6574                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6575                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6576         }
6577         outputs = 0;
6578
6579         /* map virtual screens onto physical screens */
6580 #ifdef SWM_XRR_HAS_CRTC
6581         if (xrandr_support) {
6582                 sr = XRRGetScreenResources(display, screens[i].root);
6583                 if (sr == NULL)
6584                         new_region(&screens[i], 0, 0,
6585                             DisplayWidth(display, i),
6586                             DisplayHeight(display, i));
6587                 else
6588                         ncrtc = sr->ncrtc;
6589
6590                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6591                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6592                         if (ci->noutput == 0)
6593                                 continue;
6594
6595                         if (ci != NULL && ci->mode == None)
6596                                 new_region(&screens[i], 0, 0,
6597                                     DisplayWidth(display, i),
6598                                     DisplayHeight(display, i));
6599                         else
6600                                 new_region(&screens[i],
6601                                     ci->x, ci->y, ci->width, ci->height);
6602                 }
6603                 if (ci)
6604                         XRRFreeCrtcInfo(ci);
6605                 XRRFreeScreenResources(sr);
6606         } else
6607 #endif /* SWM_XRR_HAS_CRTC */
6608         {
6609                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
6610                     DisplayHeight(display, i));
6611         }
6612 }
6613
6614 void
6615 screenchange(XEvent *e) {
6616         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
6617         struct swm_region               *r;
6618         int                             i;
6619
6620         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
6621
6622         if (!XRRUpdateConfiguration(e))
6623                 return;
6624
6625         /* silly event doesn't include the screen index */
6626         for (i = 0; i < ScreenCount(display); i++)
6627                 if (screens[i].root == xe->root)
6628                         break;
6629         if (i >= ScreenCount(display))
6630                 errx(1, "screenchange: screen not found");
6631
6632         /* brute force for now, just re-enumerate the regions */
6633         scan_xrandr(i);
6634
6635         /* add bars to all regions */
6636         for (i = 0; i < ScreenCount(display); i++)
6637                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6638                         bar_setup(r);
6639         stack();
6640         if (focus_mode == SWM_FOCUS_DEFAULT)
6641                 drain_enter_notify();
6642 }
6643
6644 void
6645 grab_windows(void)
6646 {
6647         Window                  d1, d2, *wins = NULL;
6648         XWindowAttributes       wa;
6649         unsigned int            no;
6650         int                     i, j;
6651         long                    state, manage;
6652
6653         for (i = 0; i < ScreenCount(display); i++) {
6654                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
6655                         continue;
6656
6657                 /* attach windows to a region */
6658                 /* normal windows */
6659                 for (j = 0; j < no; j++) {
6660                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6661                             wa.override_redirect ||
6662                             XGetTransientForHint(display, wins[j], &d1))
6663                                 continue;
6664
6665                         state = getstate(wins[j]);
6666                         manage = state == IconicState;
6667                         if (wa.map_state == IsViewable || manage)
6668                                 manage_window(wins[j]);
6669                 }
6670                 /* transient windows */
6671                 for (j = 0; j < no; j++) {
6672                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6673                             wa.override_redirect)
6674                                 continue;
6675
6676                         state = getstate(wins[j]);
6677                         manage = state == IconicState;
6678                         if (XGetTransientForHint(display, wins[j], &d1) &&
6679                             manage)
6680                                 manage_window(wins[j]);
6681                 }
6682                 if (wins) {
6683                         XFree(wins);
6684                         wins = NULL;
6685                 }
6686         }
6687 }
6688
6689 void
6690 setup_screens(void)
6691 {
6692         int                     i, j, k;
6693         int                     errorbase, major, minor;
6694         struct workspace        *ws;
6695
6696         if ((screens = calloc(ScreenCount(display),
6697              sizeof(struct swm_screen))) == NULL)
6698                 err(1, "setup_screens: calloc: failed to allocate memory for "
6699                     "screens");
6700
6701         /* initial Xrandr setup */
6702         xrandr_support = XRRQueryExtension(display,
6703             &xrandr_eventbase, &errorbase);
6704         if (xrandr_support)
6705                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6706                         xrandr_support = 0;
6707
6708         /* map physical screens */
6709         for (i = 0; i < ScreenCount(display); i++) {
6710                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
6711                 screens[i].idx = i;
6712                 TAILQ_INIT(&screens[i].rl);
6713                 TAILQ_INIT(&screens[i].orl);
6714                 screens[i].root = RootWindow(display, i);
6715
6716                 /* set default colors */
6717                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6718                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6719                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6720                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6721                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6722
6723                 /* set default cursor */
6724                 XDefineCursor(display, screens[i].root,
6725                     XCreateFontCursor(display, XC_left_ptr));
6726
6727                 /* init all workspaces */
6728                 /* XXX these should be dynamically allocated too */
6729                 for (j = 0; j < SWM_WS_MAX; j++) {
6730                         ws = &screens[i].ws[j];
6731                         ws->idx = j;
6732                         ws->name = NULL;
6733                         ws->focus = NULL;
6734                         ws->r = NULL;
6735                         ws->old_r = NULL;
6736                         TAILQ_INIT(&ws->winlist);
6737                         TAILQ_INIT(&ws->unmanagedlist);
6738
6739                         for (k = 0; layouts[k].l_stack != NULL; k++)
6740                                 if (layouts[k].l_config != NULL)
6741                                         layouts[k].l_config(ws,
6742                                             SWM_ARG_ID_STACKINIT);
6743                         ws->cur_layout = &layouts[0];
6744                         ws->cur_layout->l_string(ws);
6745                 }
6746
6747                 scan_xrandr(i);
6748
6749                 if (xrandr_support)
6750                         XRRSelectInput(display, screens[i].root,
6751                             RRScreenChangeNotifyMask);
6752         }
6753 }
6754
6755 void
6756 setup_globals(void)
6757 {
6758         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
6759             == NULL)
6760                 err(1, "setup_globals: strdup");
6761         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
6762             == NULL)
6763                 err(1, "setup_globals: strdup");
6764         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
6765             == NULL)
6766                 err(1, "setup_globals: strdup");
6767         if ((spawn_term[0] = strdup("xterm")) == NULL)
6768                 err(1, "setup_globals: strdup");
6769         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6770                 err(1, "strdup");
6771 }
6772
6773 void
6774 workaround(void)
6775 {
6776         int                     i;
6777         Atom                    netwmcheck, netwmname, utf8_string;
6778         Window                  root, win;
6779
6780         /* work around sun jdk bugs, code from wmname */
6781         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6782         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6783         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6784         for (i = 0; i < ScreenCount(display); i++) {
6785                 root = screens[i].root;
6786                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6787                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6788                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6789
6790                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6791                     PropModeReplace, (unsigned char *)&win,1);
6792                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6793                     PropModeReplace, (unsigned char *)&win,1);
6794                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6795                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6796         }
6797 }
6798
6799 int
6800 main(int argc, char *argv[])
6801 {
6802         struct swm_region       *r, *rr;
6803         struct ws_win           *winfocus = NULL;
6804         struct timeval          tv;
6805         union arg               a;
6806         char                    conf[PATH_MAX], *cfile = NULL;
6807         struct stat             sb;
6808         XEvent                  e;
6809         int                     xfd, i;
6810         fd_set                  rd;
6811         struct sigaction        sact;
6812
6813         start_argv = argv;
6814         fprintf(stderr, "Welcome to scrotwm V%s Build: %s\n",
6815             SCROTWM_VERSION, buildstr);
6816         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
6817             !XSupportsLocale())
6818                 warnx("no locale support");
6819
6820         if (!(display = XOpenDisplay(0)))
6821                 errx(1, "can not open display");
6822
6823         if (active_wm())
6824                 errx(1, "other wm running");
6825
6826         /* handle some signals */
6827         bzero(&sact, sizeof(sact));
6828         sigemptyset(&sact.sa_mask);
6829         sact.sa_flags = 0;
6830         sact.sa_handler = sighdlr;
6831         sigaction(SIGINT, &sact, NULL);
6832         sigaction(SIGQUIT, &sact, NULL);
6833         sigaction(SIGTERM, &sact, NULL);
6834         sigaction(SIGHUP, &sact, NULL);
6835
6836         sact.sa_handler = sighdlr;
6837         sact.sa_flags = SA_NOCLDSTOP;
6838         sigaction(SIGCHLD, &sact, NULL);
6839
6840         astate = XInternAtom(display, "WM_STATE", False);
6841         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6842         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6843         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6844         a_wmname = XInternAtom(display, "WM_NAME", False);
6845         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6846         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6847         a_string = XInternAtom(display, "STRING", False);
6848         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6849
6850         /* look for local and global conf file */
6851         pwd = getpwuid(getuid());
6852         if (pwd == NULL)
6853                 errx(1, "invalid user: %d", getuid());
6854
6855         setup_screens();
6856         setup_globals();
6857         setup_keys();
6858         setup_quirks();
6859         setup_spawn();
6860
6861         /* load config */
6862         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6863         if (stat(conf, &sb) != -1) {
6864                 if (S_ISREG(sb.st_mode))
6865                         cfile = conf;
6866         } else {
6867                 /* try global conf file */
6868                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6869                 if (!stat(conf, &sb))
6870                         if (S_ISREG(sb.st_mode))
6871                                 cfile = conf;
6872         }
6873         if (cfile)
6874                 conf_load(cfile, SWM_CONF_DEFAULT);
6875
6876         setup_ewmh();
6877         /* set some values to work around bad programs */
6878         workaround();
6879         /* grab existing windows (before we build the bars) */
6880         grab_windows();
6881
6882         if (getenv("SWM_STARTED") == NULL)
6883                 setenv("SWM_STARTED", "YES", 1);
6884
6885         /* setup all bars */
6886         for (i = 0; i < ScreenCount(display); i++)
6887                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6888                         if (winfocus == NULL)
6889                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6890                         bar_setup(r);
6891                 }
6892
6893         unfocus_all();
6894
6895         grabkeys();
6896         stack();
6897         if (focus_mode == SWM_FOCUS_DEFAULT)
6898                 drain_enter_notify();
6899
6900         xfd = ConnectionNumber(display);
6901         while (running) {
6902                 while (XPending(display)) {
6903                         XNextEvent(display, &e);
6904                         if (running == 0)
6905                                 goto done;
6906                         if (e.type < LASTEvent) {
6907                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
6908                                     "window: 0x%lx, type: %s (%d), %d remaining"
6909                                     "\n", YESNO(handler[e.type]),
6910                                     e.xany.window, geteventname(&e),
6911                                     e.type, QLength(display));
6912
6913                                 if (handler[e.type])
6914                                         handler[e.type](&e);
6915                         } else {
6916                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
6917                                     "0x%lx, type: %s (%d)\n", e.xany.window,
6918                                     xrandr_geteventname(&e), e.type);
6919
6920                                 switch (e.type - xrandr_eventbase) {
6921                                 case RRScreenChangeNotify:
6922                                         screenchange(&e);
6923                                         break;
6924                                 default:
6925                                         break;
6926                                 }
6927                         }
6928                 }
6929
6930                 /* if we are being restarted go focus on first window */
6931                 if (winfocus) {
6932                         rr = winfocus->ws->r;
6933                         if (rr == NULL) {
6934                                 /* not a visible window */
6935                                 winfocus = NULL;
6936                                 continue;
6937                         }
6938                         /* move pointer to first screen if multi screen */
6939                         if (ScreenCount(display) > 1 || outputs > 1)
6940                                 XWarpPointer(display, None, rr->s[0].root,
6941                                     0, 0, 0, 0, X(rr),
6942                                     Y(rr) + (bar_enabled ? bar_height : 0));
6943
6944                         a.id = SWM_ARG_ID_FOCUSCUR;
6945                         focus(rr, &a);
6946                         winfocus = NULL;
6947                         continue;
6948                 }
6949
6950                 FD_ZERO(&rd);
6951                 FD_SET(xfd, &rd);
6952                 tv.tv_sec = 1;
6953                 tv.tv_usec = 0;
6954                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
6955                         if (errno != EINTR)
6956                                 DNPRINTF(SWM_D_MISC, "select failed");
6957                 if (restart_wm == 1)
6958                         restart(NULL, NULL);
6959                 if (search_resp == 1)
6960                         search_do_resp();
6961                 if (running == 0)
6962                         goto done;
6963                 if (bar_alarm) {
6964                         bar_alarm = 0;
6965                         bar_update();
6966                 }
6967         }
6968 done:
6969         teardown_ewmh();
6970         bar_extra_stop();
6971         XFreeGC(display, bar_gc);
6972         XCloseDisplay(display);
6973
6974         return (0);
6975 }