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 #define SWM_D_BAR               0x4000
 128
 129 u_int32_t               swm_debug = 0
 130                             | SWM_D_MISC
 131                             | SWM_D_EVENT
 132                             | SWM_D_WS
 133                             | SWM_D_FOCUS
 134                             | SWM_D_MOVE
 135                             | SWM_D_STACK
 136                             | SWM_D_MOUSE
 137                             | SWM_D_PROP
 138                             | SWM_D_CLASS
 139                             | SWM_D_KEY
 140                             | SWM_D_QUIRK
 141                             | SWM_D_SPAWN
 142                             | SWM_D_EVENTQ
 143                             | SWM_D_CONF
 144                             | SWM_D_BAR
 145                             ;
 146 #else
 147 #define DPRINTF(x...)
 148 #define DNPRINTF(n,x...)
 149 #endif
 150
 151 #define LENGTH(x)               (sizeof x / sizeof x[0])
 152 #define MODKEY                  Mod1Mask
 153 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 154 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 155 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 156 #define SWM_PROPLEN             (16)
 157 #define SWM_FUNCNAME_LEN        (32)
 158 #define SWM_KEYS_LEN            (255)
 159 #define SWM_QUIRK_LEN           (64)
 160 #define X(r)                    (r)->g.x
 161 #define Y(r)                    (r)->g.y
 162 #define WIDTH(r)                (r)->g.w
 163 #define HEIGHT(r)               (r)->g.h
 164 #define SWM_MAX_FONT_STEPS      (3)
 165 #define WINID(w)                (w ? w->id : 0)
 166 #define YESNO(x)                (x ? "yes" : "no")
 167
 168 #define SWM_FOCUS_DEFAULT       (0)
 169 #define SWM_FOCUS_SYNERGY       (1)
 170 #define SWM_FOCUS_FOLLOW        (2)
 171
 172 #define SWM_CONF_DEFAULT        (0)
 173 #define SWM_CONF_KEYMAPPING     (1)
 174
 175 #ifndef SWM_LIB
 176 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 177 #endif
 178
 179 char                    **start_argv;
 180 Atom                    astate;
 181 Atom                    aprot;
 182 Atom                    adelete;
 183 Atom                    takefocus;
 184 Atom                    a_wmname;
 185 Atom                    a_netwmname;
 186 Atom                    a_utf8_string;
 187 Atom                    a_string;
 188 Atom                    a_swm_iconic;
 189 volatile sig_atomic_t   running = 1;
 190 volatile sig_atomic_t   restart_wm = 0;
 191 int                     outputs = 0;
 192 int                     last_focus_event = FocusOut;
 193 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 194 int                     other_wm;
 195 int                     ss_enabled = 0;
 196 int                     xrandr_support;
 197 int                     xrandr_eventbase;
 198 unsigned int            numlockmask = 0;
 199 Display                 *display;
 200
 201 int                     cycle_empty = 0;
 202 int                     cycle_visible = 0;
 203 int                     term_width = 0;
 204 int                     font_adjusted = 0;
 205 unsigned int            mod_key = MODKEY;
 206
 207 /* dmenu search */
 208 struct swm_region       *search_r;
 209 int                     select_list_pipe[2];
 210 int                     select_resp_pipe[2];
 211 pid_t                   searchpid;
 212 volatile sig_atomic_t   search_resp;
 213 int                     search_resp_action;
 214
 215 struct search_window {
 216         TAILQ_ENTRY(search_window)      entry;
 217         int                             idx;
 218         struct ws_win                   *win;
 219         GC                              gc;
 220         Window                          indicator;
 221 };
 222 TAILQ_HEAD(search_winlist, search_window);
 223
 224 struct search_winlist search_wl;
 225
 226 /* search actions */
 227 enum {
 228         SWM_SEARCH_NONE,
 229         SWM_SEARCH_UNICONIFY,
 230         SWM_SEARCH_NAME_WORKSPACE,
 231         SWM_SEARCH_SEARCH_WORKSPACE,
 232         SWM_SEARCH_SEARCH_WINDOW
 233 };
 234
 235 /* dialog windows */
 236 double                  dialog_ratio = 0.6;
 237 /* status bar */
 238 #define SWM_BAR_MAX             (256)
 239 #define SWM_BAR_JUSTIFY_LEFT    (0)
 240 #define SWM_BAR_JUSTIFY_CENTER  (1)
 241 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 242 #define SWM_BAR_OFFSET          (4)
 243 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 244                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 245                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 246                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"
 247
 248 #ifdef X_HAVE_UTF8_STRING
 249 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 250 #else
 251 #define DRAWSTRING(x...)        XmbDrawString(x)
 252 #endif
 253
 254 char                    *bar_argv[] = { NULL, NULL };
 255 int                     bar_pipe[2];
 256 unsigned char           bar_ext[SWM_BAR_MAX];
 257 char                    bar_vertext[SWM_BAR_MAX];
 258 int                     bar_version = 0;
 259 sig_atomic_t            bar_alarm = 0;
 260 int                     bar_delay = 30;
 261 int                     bar_enabled = 1;
 262 int                     bar_border_width = 1;
 263 int                     bar_at_bottom = 0;
 264 int                     bar_extra = 1;
 265 int                     bar_extra_running = 0;
 266 int                     bar_verbose = 1;
 267 int                     bar_height = 0;
 268 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 269 int                     stack_enabled = 1;
 270 int                     clock_enabled = 1;
 271 int                     urgent_enabled = 0;
 272 char                    *clock_format = NULL;
 273 int                     title_name_enabled = 0;
 274 int                     title_class_enabled = 0;
 275 int                     window_name_enabled = 0;
 276 int                     focus_mode = SWM_FOCUS_DEFAULT;
 277 int                     disable_border = 0;
 278 int                     border_width = 1;
 279 int                     verbose_layout = 0;
 280 pid_t                   bar_pid;
 281 XFontSet                bar_fs;
 282 XFontSetExtents         *bar_fs_extents;
 283 char                    *bar_fonts;
 284 char                    *spawn_term[] = { NULL, NULL }; /* XXX fully dynamic */
 285 struct passwd           *pwd;
 286
 287 #define SWM_MENU_FN     (2)
 288 #define SWM_MENU_NB     (4)
 289 #define SWM_MENU_NF     (6)
 290 #define SWM_MENU_SB     (8)
 291 #define SWM_MENU_SF     (10)
 292
 293 /* layout manager data */
 294 struct swm_geometry {
 295         int                     x;
 296         int                     y;
 297         int                     w;
 298         int                     h;
 299 };
 300
 301 struct swm_screen;
 302 struct workspace;
 303
 304 /* virtual "screens" */
 305 struct swm_region {
 306         TAILQ_ENTRY(swm_region) entry;
 307         struct swm_geometry     g;
 308         struct workspace        *ws;    /* current workspace on this region */
 309         struct workspace        *ws_prior; /* prior workspace on this region */
 310         struct swm_screen       *s;     /* screen idx */
 311         Window                  bar_window;
 312 };
 313 TAILQ_HEAD(swm_region_list, swm_region);
 314
 315 struct ws_win {
 316         TAILQ_ENTRY(ws_win)     entry;
 317         Window                  id;
 318         Window                  transient;
 319         struct ws_win           *child_trans;   /* transient child window */
 320         struct swm_geometry     g;              /* current geometry */
 321         struct swm_geometry     g_float;        /* geometry when floating */
 322         struct swm_geometry     rg_float;       /* region geom when floating */
 323         int                     g_floatvalid;   /* g_float geometry validity */
 324         int                     floatmaxed;     /* whether maxed by max_stack */
 325         int                     floating;
 326         int                     manual;
 327         int                     iconic;
 328         unsigned int            ewmh_flags;
 329         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 330         int                     font_steps;
 331         int                     last_inc;
 332         int                     can_delete;
 333         int                     take_focus;
 334         int                     java;
 335         unsigned long           quirks;
 336         struct workspace        *ws;    /* always valid */
 337         struct swm_screen       *s;     /* always valid, never changes */
 338         XWindowAttributes       wa;
 339         XSizeHints              sh;
 340         XClassHint              ch;
 341         XWMHints                *hints;
 342 };
 343 TAILQ_HEAD(ws_win_list, ws_win);
 344
 345 /* pid goo */
 346 struct pid_e {
 347         TAILQ_ENTRY(pid_e)      entry;
 348         long                    pid;
 349         int                     ws;
 350 };
 351 TAILQ_HEAD(pid_list, pid_e);
 352 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 353
 354 /* layout handlers */
 355 void    stack(void);
 356 void    vertical_config(struct workspace *, int);
 357 void    vertical_stack(struct workspace *, struct swm_geometry *);
 358 void    horizontal_config(struct workspace *, int);
 359 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 360 void    max_stack(struct workspace *, struct swm_geometry *);
 361 void    plain_stacker(struct workspace *);
 362 void    fancy_stacker(struct workspace *);
 363
 364 struct ws_win *find_window(Window);
 365
 366 void    grabbuttons(struct ws_win *, int);
 367 void    new_region(struct swm_screen *, int, int, int, int);
 368 void    unmanage_window(struct ws_win *);
 369 long    getstate(Window);
 370
 371 int     conf_load(char *, int);
 372
 373 struct layout {
 374         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 375         void            (*l_config)(struct workspace *, int);
 376         u_int32_t       flags;
 377 #define SWM_L_FOCUSPREV         (1<<0)
 378 #define SWM_L_MAPONFOCUS        (1<<1)
 379         void            (*l_string)(struct workspace *);
 380 } layouts[] =  {
 381         /* stack,               configure */
 382         { vertical_stack,       vertical_config,        0,      plain_stacker },
 383         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 384         { max_stack,            NULL,
 385           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 386         { NULL,                 NULL,                   0,      NULL  },
 387 };
 388
 389 /* position of max_stack mode in the layouts array, index into layouts! */
 390 #define SWM_V_STACK             (0)
 391 #define SWM_H_STACK             (1)
 392 #define SWM_MAX_STACK           (2)
 393
 394 #define SWM_H_SLICE             (32)
 395 #define SWM_V_SLICE             (32)
 396
 397 /* define work spaces */
 398 struct workspace {
 399         int                     idx;            /* workspace index */
 400         char                    *name;          /* workspace name */
 401         int                     always_raise;   /* raise windows on focus */
 402         struct layout           *cur_layout;    /* current layout handlers */
 403         struct ws_win           *focus;         /* may be NULL */
 404         struct ws_win           *focus_prev;    /* may be NULL */
 405         struct swm_region       *r;             /* may be NULL */
 406         struct swm_region       *old_r;         /* may be NULL */
 407         struct ws_win_list      winlist;        /* list of windows in ws */
 408         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 409         char                    stacker[10];    /* display stacker and layout */
 410
 411         /* stacker state */
 412         struct {
 413                                 int horizontal_msize;
 414                                 int horizontal_mwin;
 415                                 int horizontal_stacks;
 416                                 int vertical_msize;
 417                                 int vertical_mwin;
 418                                 int vertical_stacks;
 419         } l_state;
 420 };
 421
 422 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 423           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 424
 425 /* physical screen mapping */
 426 #define SWM_WS_MAX              (10)
 427 struct swm_screen {
 428         int                     idx;    /* screen index */
 429         struct swm_region_list  rl;     /* list of regions on this screen */
 430         struct swm_region_list  orl;    /* list of old regions */
 431         Window                  root;
 432         struct workspace        ws[SWM_WS_MAX];
 433
 434         /* colors */
 435         struct {
 436                 unsigned long   color;
 437                 char            *name;
 438         } c[SWM_S_COLOR_MAX];
 439
 440         GC                      bar_gc;
 441 };
 442 struct swm_screen       *screens;
 443 int                     num_screens;
 444
 445 /* args to functions */
 446 union arg {
 447         int                     id;
 448 #define SWM_ARG_ID_FOCUSNEXT    (0)
 449 #define SWM_ARG_ID_FOCUSPREV    (1)
 450 #define SWM_ARG_ID_FOCUSMAIN    (2)
 451 #define SWM_ARG_ID_FOCUSCUR     (4)
 452 #define SWM_ARG_ID_SWAPNEXT     (10)
 453 #define SWM_ARG_ID_SWAPPREV     (11)
 454 #define SWM_ARG_ID_SWAPMAIN     (12)
 455 #define SWM_ARG_ID_MOVELAST     (13)
 456 #define SWM_ARG_ID_MASTERSHRINK (20)
 457 #define SWM_ARG_ID_MASTERGROW   (21)
 458 #define SWM_ARG_ID_MASTERADD    (22)
 459 #define SWM_ARG_ID_MASTERDEL    (23)
 460 #define SWM_ARG_ID_STACKRESET   (30)
 461 #define SWM_ARG_ID_STACKINIT    (31)
 462 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 463 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 464 #define SWM_ARG_ID_CYCLESC_UP   (42)
 465 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 466 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 467 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 468 #define SWM_ARG_ID_STACKINC     (50)
 469 #define SWM_ARG_ID_STACKDEC     (51)
 470 #define SWM_ARG_ID_SS_ALL       (60)
 471 #define SWM_ARG_ID_SS_WINDOW    (61)
 472 #define SWM_ARG_ID_DONTCENTER   (70)
 473 #define SWM_ARG_ID_CENTER       (71)
 474 #define SWM_ARG_ID_KILLWINDOW   (80)
 475 #define SWM_ARG_ID_DELETEWINDOW (81)
 476 #define SWM_ARG_ID_WIDTHGROW    (90)
 477 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 478 #define SWM_ARG_ID_HEIGHTGROW   (92)
 479 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 480 #define SWM_ARG_ID_MOVEUP       (100)
 481 #define SWM_ARG_ID_MOVEDOWN     (101)
 482 #define SWM_ARG_ID_MOVELEFT     (102)
 483 #define SWM_ARG_ID_MOVERIGHT    (103)
 484         char                    **argv;
 485 };
 486
 487 void    focus(struct swm_region *, union arg *);
 488 void    focus_magic(struct ws_win *);
 489
 490 /* quirks */
 491 struct quirk {
 492         TAILQ_ENTRY(quirk)      entry;
 493         char                    *class;
 494         char                    *name;
 495         unsigned long           quirk;
 496 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 497 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 498 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 499 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 500 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 501 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 502 };
 503 TAILQ_HEAD(quirk_list, quirk);
 504 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 505
 506 /*
 507  * Supported EWMH hints should be added to
 508  * both the enum and the ewmh array
 509  */
 510 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 511     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 512     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 513     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 514     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 515     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 516     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 517     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 518     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 519     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 520     SWM_EWMH_HINT_MAX };
 521
 522 struct ewmh_hint {
 523         char    *name;
 524         Atom     atom;
 525 } ewmh[SWM_EWMH_HINT_MAX] =     {
 526     /* must be in same order as in the enum */
 527     {"_NET_ACTIVE_WINDOW", None},
 528     {"_NET_MOVERESIZE_WINDOW", None},
 529     {"_NET_CLOSE_WINDOW", None},
 530     {"_NET_WM_WINDOW_TYPE", None},
 531     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 532     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 533     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 534     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 535     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 536     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 537     {"_NET_WM_STATE", None},
 538     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 539     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 540     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 541     {"_NET_WM_STATE_SKIP_PAGER", None},
 542     {"_NET_WM_STATE_HIDDEN", None},
 543     {"_NET_WM_STATE_ABOVE", None},
 544     {"_SWM_WM_STATE_MANUAL", None},
 545     {"_NET_WM_STATE_FULLSCREEN", None},
 546     {"_NET_WM_ALLOWED_ACTIONS", None},
 547     {"_NET_WM_ACTION_MOVE", None},
 548     {"_NET_WM_ACTION_RESIZE", None},
 549     {"_NET_WM_ACTION_FULLSCREEN", None},
 550     {"_NET_WM_ACTION_CLOSE", None},
 551 };
 552
 553 void             store_float_geom(struct ws_win *, struct swm_region *);
 554 int              floating_toggle_win(struct ws_win *);
 555 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 556 unsigned char   *get_win_name(Display *, Window, Atom, Atom, unsigned long *);
 557
 558 int
 559 get_property(Window id, Atom atom, long count, Atom type,
 560     unsigned long *n, unsigned char **data)
 561 {
 562         int                     format, status;
 563         unsigned long           tmp, extra;
 564         unsigned long           *nitems;
 565         Atom                    real;
 566
 567         nitems = n != NULL ? n : &tmp;
 568         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 569             &real, &format, nitems, &extra, data);
 570
 571         if (status != Success)
 572                 return False;
 573         if (real != type)
 574                 return False;
 575
 576         return True;
 577 }
 578
 579 void
 580 update_iconic(struct ws_win *win, int newv)
 581 {
 582         int32_t v = newv;
 583         Atom iprop;
 584
 585         win->iconic = newv;
 586
 587         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 588         if (!iprop)
 589                 return;
 590         if (newv)
 591                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 592                     PropModeReplace, (unsigned char *)&v, 1);
 593         else
 594                 XDeleteProperty(display, win->id, iprop);
 595 }
 596
 597 int
 598 get_iconic(struct ws_win *win)
 599 {
 600         int32_t v = 0;
 601         int retfmt, status;
 602         Atom iprop, rettype;
 603         unsigned long nitems, extra;
 604         unsigned char *prop = NULL;
 605
 606         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 607         if (!iprop)
 608                 goto out;
 609         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 610             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 611         if (status != Success)
 612                 goto out;
 613         if (rettype != XA_INTEGER || retfmt != 32)
 614                 goto out;
 615         if (nitems != 1)
 616                 goto out;
 617         v = *((int32_t *)prop);
 618
 619 out:
 620         if (prop != NULL)
 621                 XFree(prop);
 622         return (v);
 623 }
 624
 625 void
 626 setup_ewmh(void)
 627 {
 628         int                     i,j;
 629         Atom                    sup_list;
 630
 631         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 632
 633         for (i = 0; i < LENGTH(ewmh); i++)
 634                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 635
 636         for (i = 0; i < ScreenCount(display); i++) {
 637                 /* Support check window will be created by workaround(). */
 638
 639                 /* Report supported atoms */
 640                 XDeleteProperty(display, screens[i].root, sup_list);
 641                 for (j = 0; j < LENGTH(ewmh); j++)
 642                         XChangeProperty(display, screens[i].root,
 643                             sup_list, XA_ATOM, 32,
 644                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 645         }
 646 }
 647
 648 void
 649 teardown_ewmh(void)
 650 {
 651         int                     i, success;
 652         unsigned char           *data = NULL;
 653         unsigned long           n;
 654         Atom                    sup_check, sup_list;
 655         Window                  id;
 656
 657         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 658         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 659
 660         for (i = 0; i < ScreenCount(display); i++) {
 661                 /* Get the support check window and destroy it */
 662                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 663                     &n, &data);
 664
 665                 if (success) {
 666                         id = data[0];
 667                         XDestroyWindow(display, id);
 668                         XDeleteProperty(display, screens[i].root, sup_check);
 669                         XDeleteProperty(display, screens[i].root, sup_list);
 670                 }
 671
 672                 XFree(data);
 673         }
 674 }
 675
 676 void
 677 ewmh_autoquirk(struct ws_win *win)
 678 {
 679         int                     success, i;
 680         unsigned long           *data = NULL, n;
 681         Atom                    type;
 682
 683         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 684             XA_ATOM, &n, (void *)&data);
 685
 686         if (!success) {
 687                 XFree(data);
 688                 return;
 689         }
 690
 691         for (i = 0; i < n; i++) {
 692                 type = data[i];
 693                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 694                         break;
 695                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 696                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 697                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 698                         win->floating = 1;
 699                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 700                         break;
 701                 }
 702                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 703                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 704                         win->floating = 1;
 705                         win->quirks = SWM_Q_FLOAT;
 706                         break;
 707                 }
 708         }
 709
 710         XFree(data);
 711 }
 712
 713 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 714 #define EWMH_F_FULLSCREEN               (1<<0)
 715 #define EWMH_F_ABOVE                    (1<<1)
 716 #define EWMH_F_HIDDEN                   (1<<2)
 717 #define EWMH_F_SKIP_PAGER               (1<<3)
 718 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 719 #define SWM_F_MANUAL                    (1<<5)
 720
 721 int
 722 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 723 {
 724         struct swm_geometry     rg;
 725
 726         if (!win->ws->r)
 727                 return 0;
 728
 729         if (!win->floating)
 730                 return 0;
 731
 732         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 733             "fullscreen %s\n", win->id, YESNO(fs));
 734
 735         rg = win->ws->r->g;
 736
 737         if (fs) {
 738                 store_float_geom(win, win->ws->r);
 739
 740                 win->g = rg;
 741         } else {
 742                 if (win->g_floatvalid) {
 743                         /* refloat at last floating relative position */
 744                         X(win) = win->g_float.x - win->rg_float.x + rg.x;
 745                         Y(win) = win->g_float.y - win->rg_float.y + rg.y;
 746                         WIDTH(win) = win->g_float.w;
 747                         HEIGHT(win) = win->g_float.h;
 748                 }
 749         }
 750
 751         return 1;
 752 }
 753
 754 void
 755 ewmh_update_actions(struct ws_win *win)
 756 {
 757         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 758         int                     n = 0;
 759
 760         if (win == NULL)
 761                 return;
 762
 763         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 764
 765         if (win->floating) {
 766                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 767                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 768         }
 769
 770         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 771             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 772 }
 773
 774 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 775 #define _NET_WM_STATE_ADD       1    /* add/set property */
 776 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 777
 778 void
 779 ewmh_update_win_state(struct ws_win *win, long state, long action)
 780 {
 781         unsigned int            mask = 0;
 782         unsigned int            changed = 0;
 783         unsigned int            orig_flags;
 784
 785         if (win == NULL)
 786                 return;
 787
 788         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 789                 mask = EWMH_F_FULLSCREEN;
 790         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 791                 mask = EWMH_F_ABOVE;
 792         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 793                 mask = SWM_F_MANUAL;
 794         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 795                 mask = EWMH_F_SKIP_PAGER;
 796         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 797                 mask = EWMH_F_SKIP_TASKBAR;
 798
 799
 800         orig_flags = win->ewmh_flags;
 801
 802         switch (action) {
 803         case _NET_WM_STATE_REMOVE:
 804                 win->ewmh_flags &= ~mask;
 805                 break;
 806         case _NET_WM_STATE_ADD:
 807                 win->ewmh_flags |= mask;
 808                 break;
 809         case _NET_WM_STATE_TOGGLE:
 810                 win->ewmh_flags ^= mask;
 811                 break;
 812         }
 813
 814         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 815
 816         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 817                 if (changed)
 818                         if (!floating_toggle_win(win))
 819                                 win->ewmh_flags = orig_flags; /* revert */
 820         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 821                 if (changed)
 822                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 823         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 824                 if (changed)
 825                         if (!ewmh_set_win_fullscreen(win,
 826                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 827                                 win->ewmh_flags = orig_flags; /* revert */
 828
 829         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 830
 831         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 832                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 833                     XA_ATOM, 32, PropModeAppend,
 834                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 835         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 836                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 837                     XA_ATOM, 32, PropModeAppend,
 838                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 839         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 840                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 841                     XA_ATOM, 32, PropModeAppend,
 842                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 843         if (win->ewmh_flags & EWMH_F_ABOVE)
 844                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 845                     XA_ATOM, 32, PropModeAppend,
 846                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 847         if (win->ewmh_flags & SWM_F_MANUAL)
 848                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 849                     XA_ATOM, 32, PropModeAppend,
 850                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 851 }
 852
 853 void
 854 ewmh_get_win_state(struct ws_win *win)
 855 {
 856         int                     success, i;
 857         unsigned long           n;
 858         Atom                    *states;
 859
 860         if (win == NULL)
 861                 return;
 862
 863         win->ewmh_flags = 0;
 864         if (win->floating)
 865                 win->ewmh_flags |= EWMH_F_ABOVE;
 866         if (win->manual)
 867                 win->ewmh_flags |= SWM_F_MANUAL;
 868
 869         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 870             (~0L), XA_ATOM, &n, (void *)&states);
 871
 872         if (!success)
 873                 return;
 874
 875         for (i = 0; i < n; i++)
 876                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 877
 878         XFree(states);
 879 }
 880
 881 /* events */
 882 #ifdef SWM_DEBUG
 883 char *
 884 geteventname(XEvent *e)
 885 {
 886         char                    *name = NULL;
 887
 888         switch (e->type) {
 889         case KeyPress:
 890                 name = "KeyPress";
 891                 break;
 892         case KeyRelease:
 893                 name = "KeyRelease";
 894                 break;
 895         case ButtonPress:
 896                 name = "ButtonPress";
 897                 break;
 898         case ButtonRelease:
 899                 name = "ButtonRelease";
 900                 break;
 901         case MotionNotify:
 902                 name = "MotionNotify";
 903                 break;
 904         case EnterNotify:
 905                 name = "EnterNotify";
 906                 break;
 907         case LeaveNotify:
 908                 name = "LeaveNotify";
 909                 break;
 910         case FocusIn:
 911                 name = "FocusIn";
 912                 break;
 913         case FocusOut:
 914                 name = "FocusOut";
 915                 break;
 916         case KeymapNotify:
 917                 name = "KeymapNotify";
 918                 break;
 919         case Expose:
 920                 name = "Expose";
 921                 break;
 922         case GraphicsExpose:
 923                 name = "GraphicsExpose";
 924                 break;
 925         case NoExpose:
 926                 name = "NoExpose";
 927                 break;
 928         case VisibilityNotify:
 929                 name = "VisibilityNotify";
 930                 break;
 931         case CreateNotify:
 932                 name = "CreateNotify";
 933                 break;
 934         case DestroyNotify:
 935                 name = "DestroyNotify";
 936                 break;
 937         case UnmapNotify:
 938                 name = "UnmapNotify";
 939                 break;
 940         case MapNotify:
 941                 name = "MapNotify";
 942                 break;
 943         case MapRequest:
 944                 name = "MapRequest";
 945                 break;
 946         case ReparentNotify:
 947                 name = "ReparentNotify";
 948                 break;
 949         case ConfigureNotify:
 950                 name = "ConfigureNotify";
 951                 break;
 952         case ConfigureRequest:
 953                 name = "ConfigureRequest";
 954                 break;
 955         case GravityNotify:
 956                 name = "GravityNotify";
 957                 break;
 958         case ResizeRequest:
 959                 name = "ResizeRequest";
 960                 break;
 961         case CirculateNotify:
 962                 name = "CirculateNotify";
 963                 break;
 964         case CirculateRequest:
 965                 name = "CirculateRequest";
 966                 break;
 967         case PropertyNotify:
 968                 name = "PropertyNotify";
 969                 break;
 970         case SelectionClear:
 971                 name = "SelectionClear";
 972                 break;
 973         case SelectionRequest:
 974                 name = "SelectionRequest";
 975                 break;
 976         case SelectionNotify:
 977                 name = "SelectionNotify";
 978                 break;
 979         case ColormapNotify:
 980                 name = "ColormapNotify";
 981                 break;
 982         case ClientMessage:
 983                 name = "ClientMessage";
 984                 break;
 985         case MappingNotify:
 986                 name = "MappingNotify";
 987                 break;
 988         default:
 989                 name = "Unknown";
 990         }
 991
 992         return name;
 993 }
 994
 995 char *
 996 xrandr_geteventname(XEvent *e)
 997 {
 998         char                    *name = NULL;
 999
1000         switch(e->type - xrandr_eventbase) {
1001         case RRScreenChangeNotify:
1002                 name = "RRScreenChangeNotify";
1003                 break;
1004         default:
1005                 name = "Unknown";
1006         }
1007
1008         return name;
1009 }
1010
1011 void
1012 dumpwins(struct swm_region *r, union arg *args)
1013 {
1014         struct ws_win           *win;
1015         unsigned int            state;
1016         XWindowAttributes       wa;
1017
1018         if (r->ws == NULL) {
1019                 fprintf(stderr, "dumpwins: invalid workspace\n");
1020                 return;
1021         }
1022
1023         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
1024
1025         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1026                 state = getstate(win->id);
1027                 if (!XGetWindowAttributes(display, win->id, &wa))
1028                         fprintf(stderr, "window: 0x%lx, failed "
1029                             "XGetWindowAttributes\n", win->id);
1030                 fprintf(stderr, "window: 0x%lx, map_state: %d, state: %d, "
1031                     "transient: 0x%lx\n",
1032                     win->id, wa.map_state, state, win->transient);
1033         }
1034
1035         fprintf(stderr, "===== unmanaged window list =====\n");
1036         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1037                 state = getstate(win->id);
1038                 if (!XGetWindowAttributes(display, win->id, &wa))
1039                         fprintf(stderr, "window: 0x%lx, failed "
1040                             "XGetWindowAttributes\n", win->id);
1041                 fprintf(stderr, "window: 0x%lx, map_state: %d, state: %d, "
1042                     "transient: 0x%lx\n",
1043                     win->id, wa.map_state, state, win->transient);
1044         }
1045
1046         fprintf(stderr, "=================================\n");
1047 }
1048 #else
1049 void
1050 dumpwins(struct swm_region *r, union arg *args)
1051 {
1052 }
1053 #endif /* SWM_DEBUG */
1054
1055 void                    expose(XEvent *);
1056 void                    keypress(XEvent *);
1057 void                    buttonpress(XEvent *);
1058 void                    configurerequest(XEvent *);
1059 void                    configurenotify(XEvent *);
1060 void                    destroynotify(XEvent *);
1061 void                    enternotify(XEvent *);
1062 void                    focusevent(XEvent *);
1063 void                    mapnotify(XEvent *);
1064 void                    mappingnotify(XEvent *);
1065 void                    maprequest(XEvent *);
1066 void                    propertynotify(XEvent *);
1067 void                    unmapnotify(XEvent *);
1068 void                    visibilitynotify(XEvent *);
1069 void                    clientmessage(XEvent *);
1070
1071 void                    (*handler[LASTEvent])(XEvent *) = {
1072                                 [Expose] = expose,
1073                                 [KeyPress] = keypress,
1074                                 [ButtonPress] = buttonpress,
1075                                 [ConfigureRequest] = configurerequest,
1076                                 [ConfigureNotify] = configurenotify,
1077                                 [DestroyNotify] = destroynotify,
1078                                 [EnterNotify] = enternotify,
1079                                 [FocusIn] = focusevent,
1080                                 [FocusOut] = focusevent,
1081                                 [MapNotify] = mapnotify,
1082                                 [MappingNotify] = mappingnotify,
1083                                 [MapRequest] = maprequest,
1084                                 [PropertyNotify] = propertynotify,
1085                                 [UnmapNotify] = unmapnotify,
1086                                 [VisibilityNotify] = visibilitynotify,
1087                                 [ClientMessage] = clientmessage,
1088 };
1089
1090 void
1091 sighdlr(int sig)
1092 {
1093         int                     saved_errno, status;
1094         pid_t                   pid;
1095
1096         saved_errno = errno;
1097
1098         switch (sig) {
1099         case SIGCHLD:
1100                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1101                         if (pid == -1) {
1102                                 if (errno == EINTR)
1103                                         continue;
1104 #ifdef SWM_DEBUG
1105                                 if (errno != ECHILD)
1106                                         warn("sighdlr: waitpid");
1107 #endif /* SWM_DEBUG */
1108                                 break;
1109                         }
1110                         if (pid == searchpid)
1111                                 search_resp = 1;
1112
1113 #ifdef SWM_DEBUG
1114                         if (WIFEXITED(status)) {
1115                                 if (WEXITSTATUS(status) != 0)
1116                                         warnx("sighdlr: child exit status: %d",
1117                                             WEXITSTATUS(status));
1118                         } else
1119                                 warnx("sighdlr: child is terminated "
1120                                     "abnormally");
1121 #endif /* SWM_DEBUG */
1122                 }
1123                 break;
1124
1125         case SIGHUP:
1126                 restart_wm = 1;
1127                 break;
1128         case SIGINT:
1129         case SIGTERM:
1130         case SIGQUIT:
1131                 running = 0;
1132                 break;
1133         }
1134
1135         errno = saved_errno;
1136 }
1137
1138 struct pid_e *
1139 find_pid(long pid)
1140 {
1141         struct pid_e            *p = NULL;
1142
1143         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1144
1145         if (pid == 0)
1146                 return (NULL);
1147
1148         TAILQ_FOREACH(p, &pidlist, entry) {
1149                 if (p->pid == pid)
1150                         return (p);
1151         }
1152
1153         return (NULL);
1154 }
1155
1156 unsigned long
1157 name_to_color(char *colorname)
1158 {
1159         Colormap                cmap;
1160         Status                  status;
1161         XColor                  screen_def, exact_def;
1162         unsigned long           result = 0;
1163         char                    cname[32] = "#";
1164
1165         cmap = DefaultColormap(display, screens[0].idx);
1166         status = XAllocNamedColor(display, cmap, colorname,
1167             &screen_def, &exact_def);
1168         if (!status) {
1169                 strlcat(cname, colorname + 2, sizeof cname - 1);
1170                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1171                     &exact_def);
1172         }
1173         if (status)
1174                 result = screen_def.pixel;
1175         else
1176                 fprintf(stderr, "color '%s' not found.\n", colorname);
1177
1178         return (result);
1179 }
1180
1181 void
1182 setscreencolor(char *val, int i, int c)
1183 {
1184         if (i > 0 && i <= ScreenCount(display)) {
1185                 screens[i - 1].c[c].color = name_to_color(val);
1186                 free(screens[i - 1].c[c].name);
1187                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1188                         err(1, "strdup");
1189         } else if (i == -1) {
1190                 for (i = 0; i < ScreenCount(display); i++) {
1191                         screens[i].c[c].color = name_to_color(val);
1192                         free(screens[i].c[c].name);
1193                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1194                                 err(1, "strdup");
1195                 }
1196         } else
1197                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1198                     i, ScreenCount(display));
1199 }
1200
1201 void
1202 fancy_stacker(struct workspace *ws)
1203 {
1204         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1205         if (ws->cur_layout->l_stack == vertical_stack)
1206                 snprintf(ws->stacker, sizeof ws->stacker, "[%d|%d]",
1207                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1208         if (ws->cur_layout->l_stack == horizontal_stack)
1209                 snprintf(ws->stacker, sizeof ws->stacker, "[%d-%d]",
1210                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1211 }
1212
1213 void
1214 plain_stacker(struct workspace *ws)
1215 {
1216         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1217         if (ws->cur_layout->l_stack == vertical_stack)
1218                 strlcpy(ws->stacker, "[|]", sizeof ws->stacker);
1219         if (ws->cur_layout->l_stack == horizontal_stack)
1220                 strlcpy(ws->stacker, "[-]", sizeof ws->stacker);
1221 }
1222
1223 void
1224 custom_region(char *val)
1225 {
1226         unsigned int                    sidx, x, y, w, h;
1227
1228         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1229                 errx(1, "invalid custom region, "
1230                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1231         if (sidx < 1 || sidx > ScreenCount(display))
1232                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1233                     sidx, ScreenCount(display));
1234         sidx--;
1235
1236         if (w < 1 || h < 1)
1237                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1238
1239         if (x > DisplayWidth(display, sidx) ||
1240             y > DisplayHeight(display, sidx) ||
1241             w + x > DisplayWidth(display, sidx) ||
1242             h + y > DisplayHeight(display, sidx)) {
1243                 fprintf(stderr, "ignoring region %ux%u+%u+%u "
1244                     "- not within screen boundaries "
1245                     "(%ux%u)\n", w, h, x, y,
1246                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1247                 return;
1248         }
1249
1250         new_region(&screens[sidx], x, y, w, h);
1251 }
1252
1253 void
1254 socket_setnonblock(int fd)
1255 {
1256         int                     flags;
1257
1258         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1259                 err(1, "fcntl F_GETFL");
1260         flags |= O_NONBLOCK;
1261         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1262                 err(1, "fcntl F_SETFL");
1263 }
1264
1265 void
1266 bar_print(struct swm_region *r, char *s)
1267 {
1268         int                     x = 0;
1269         size_t                  len;
1270         XRectangle              ibox, lbox;
1271
1272         XClearWindow(display, r->bar_window);
1273
1274         len = strlen(s);
1275         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1276
1277         switch (bar_justify) {
1278         case SWM_BAR_JUSTIFY_LEFT:
1279                 x = SWM_BAR_OFFSET;
1280                 break;
1281         case SWM_BAR_JUSTIFY_CENTER:
1282                 x = (WIDTH(r) - lbox.width) / 2;
1283                 break;
1284         case SWM_BAR_JUSTIFY_RIGHT:
1285                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1286                 break;
1287         }
1288
1289         if (x < SWM_BAR_OFFSET)
1290                 x = SWM_BAR_OFFSET;
1291
1292         DRAWSTRING(display, r->bar_window, bar_fs, r->s->bar_gc,
1293             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1294             lbox.y, s, len);
1295 }
1296
1297 void
1298 bar_extra_stop(void)
1299 {
1300         if (bar_pipe[0]) {
1301                 close(bar_pipe[0]);
1302                 bzero(bar_pipe, sizeof bar_pipe);
1303         }
1304         if (bar_pid) {
1305                 kill(bar_pid, SIGTERM);
1306                 bar_pid = 0;
1307         }
1308         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1309         bar_extra = 0;
1310 }
1311
1312 void
1313 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1314 {
1315         int                     do_class, do_name;
1316         Status                  status;
1317         XClassHint              *xch = NULL;
1318
1319         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1320             cur_focus != NULL) {
1321                 if ((xch = XAllocClassHint()) == NULL)
1322                         goto out;
1323                 status = XGetClassHint(display, cur_focus->id, xch);
1324                 if (status == BadWindow || status == BadAlloc)
1325                         goto out;
1326                 do_class = (title_class_enabled && xch->res_class != NULL);
1327                 do_name = (title_name_enabled && xch->res_name != NULL);
1328                 if (do_class)
1329                         strlcat(s, xch->res_class, sz);
1330                 if (do_class && do_name)
1331                         strlcat(s, ":", sz);
1332                 if (do_name)
1333                         strlcat(s, xch->res_name, sz);
1334                 strlcat(s, "    ", sz);
1335         }
1336 out:
1337         if (xch) {
1338                 XFree(xch->res_name);
1339                 XFree(xch->res_class);
1340                 XFree(xch);
1341         }
1342 }
1343
1344 void
1345 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1346 {
1347         unsigned char           *title;
1348         unsigned long           len;
1349
1350         if (window_name_enabled && cur_focus != NULL) {
1351                 if ((title = get_win_name(display, cur_focus->id, a_netwmname,
1352                     a_utf8_string, &len)) != NULL) {
1353                         DNPRINTF(SWM_D_BAR, "bar_window_name: title: %s\n",
1354                             title);
1355
1356                         if (cur_focus->floating)
1357                                 strlcat(s, "(f) ", sz);
1358                         strlcat(s, (char *)title, sz);
1359                         strlcat(s, " ", sz);
1360                         XFree(title);
1361                 }
1362         }
1363 }
1364
1365 int             urgent[SWM_WS_MAX];
1366 void
1367 bar_urgent(char *s, ssize_t sz)
1368 {
1369         XWMHints                *wmh = NULL;
1370         struct ws_win           *win;
1371         int                     i, j;
1372         char                    b[8];
1373
1374         if (urgent_enabled == 0)
1375                 return;
1376
1377         for (i = 0; i < SWM_WS_MAX; i++)
1378                 urgent[i] = 0;
1379
1380         for (i = 0; i < ScreenCount(display); i++)
1381                 for (j = 0; j < SWM_WS_MAX; j++)
1382                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1383                                 wmh = XGetWMHints(display, win->id);
1384                                 if (wmh == NULL)
1385                                         continue;
1386
1387                                 if (wmh->flags & XUrgencyHint)
1388                                         urgent[j] = 1;
1389                                 XFree(wmh);
1390                         }
1391
1392         strlcat(s, "* ", sz);
1393         for (i = 0; i < SWM_WS_MAX; i++) {
1394                 if (urgent[i])
1395                         snprintf(b, sizeof b, "%d ", i + 1);
1396                 else
1397                         snprintf(b, sizeof b, "- ");
1398                 strlcat(s, b, sz);
1399         }
1400         strlcat(s, "*    ", sz);
1401 }
1402
1403 void
1404 bar_update(void)
1405 {
1406         time_t                  tmt;
1407         struct tm               tm;
1408         struct swm_region       *r;
1409         int                     i, x;
1410         size_t                  len;
1411         char                    ws[SWM_BAR_MAX];
1412         char                    s[SWM_BAR_MAX];
1413         unsigned char           cn[SWM_BAR_MAX];
1414         char                    loc[SWM_BAR_MAX];
1415         char                    *b, *stack = "";
1416
1417         if (bar_enabled == 0)
1418                 return;
1419         if (bar_extra && bar_extra_running) {
1420                 /* ignore short reads; it'll correct itself */
1421                 while ((b = fgetln(stdin, &len)) != NULL)
1422                         if (b && b[len - 1] == '\n') {
1423                                 b[len - 1] = '\0';
1424                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1425                         }
1426                 if (b == NULL && errno != EAGAIN) {
1427                         fprintf(stderr, "bar_update: bar_extra failed: "
1428                             "errno: %d %s\n", errno, strerror(errno));
1429                         bar_extra_stop();
1430                 }
1431         } else
1432                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1433
1434         if (clock_enabled == 0)
1435                 strlcpy(s, "", sizeof s);
1436         else {
1437                 time(&tmt);
1438                 localtime_r(&tmt, &tm);
1439                 strftime(s, sizeof s, clock_format, &tm);
1440                 strlcat(s, "    ", sizeof s);
1441         }
1442
1443         for (i = 0; i < ScreenCount(display); i++) {
1444                 x = 1;
1445                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1446                         strlcpy((char *)cn, "", sizeof cn);
1447                         strlcpy(ws, "", sizeof ws);
1448                         if (r && r->ws) {
1449                                 bar_urgent((char *)cn, sizeof cn);
1450                                 bar_class_name((char *)cn, sizeof cn,
1451                                     r->ws->focus);
1452                                 bar_window_name((char *)cn, sizeof cn,
1453                                     r->ws->focus);
1454                                 if (r->ws->name)
1455                                         snprintf(ws, sizeof ws, "<%s>",
1456                                             r->ws->name);
1457                         }
1458                         if (stack_enabled)
1459                                 stack = r->ws->stacker;
1460
1461                         snprintf(loc, sizeof loc, "%d:%d %s %s   %s%s    %s    "
1462                             "%s", x++, r->ws->idx + 1, stack, ws, s, cn,
1463                             bar_ext, bar_vertext);
1464                         bar_print(r, loc);
1465                 }
1466         }
1467         alarm(bar_delay);
1468 }
1469
1470 void
1471 bar_signal(int sig)
1472 {
1473         bar_alarm = 1;
1474 }
1475
1476 void
1477 bar_toggle(struct swm_region *r, union arg *args)
1478 {
1479         struct swm_region       *tmpr;
1480         int                     i, sc = ScreenCount(display);
1481
1482         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1483
1484         if (bar_enabled)
1485                 for (i = 0; i < sc; i++)
1486                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1487                                 XUnmapWindow(display, tmpr->bar_window);
1488         else
1489                 for (i = 0; i < sc; i++)
1490                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1491                                 XMapRaised(display, tmpr->bar_window);
1492
1493         bar_enabled = !bar_enabled;
1494
1495         stack();
1496         /* must be after stack */
1497         bar_update();
1498 }
1499
1500 void
1501 bar_refresh(void)
1502 {
1503         XSetWindowAttributes    wa;
1504         struct swm_region       *r;
1505         int                     i;
1506
1507         /* do this here because the conf file is in memory */
1508         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1509                 /* launch external status app */
1510                 bar_extra_running = 1;
1511                 if (pipe(bar_pipe) == -1)
1512                         err(1, "pipe error");
1513                 socket_setnonblock(bar_pipe[0]);
1514                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1515                 if (dup2(bar_pipe[0], 0) == -1)
1516                         err(1, "dup2");
1517                 if (dup2(bar_pipe[1], 1) == -1)
1518                         err(1, "dup2");
1519                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1520                         err(1, "could not disable SIGPIPE");
1521                 switch (bar_pid = fork()) {
1522                 case -1:
1523                         err(1, "cannot fork");
1524                         break;
1525                 case 0: /* child */
1526                         close(bar_pipe[0]);
1527                         execvp(bar_argv[0], bar_argv);
1528                         err(1, "%s external app failed", bar_argv[0]);
1529                         break;
1530                 default: /* parent */
1531                         close(bar_pipe[1]);
1532                         break;
1533                 }
1534         }
1535
1536         bzero(&wa, sizeof wa);
1537         for (i = 0; i < ScreenCount(display); i++)
1538                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1539                         wa.border_pixel =
1540                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1541                         wa.background_pixel =
1542                             screens[i].c[SWM_S_COLOR_BAR].color;
1543                         XChangeWindowAttributes(display, r->bar_window,
1544                             CWBackPixel | CWBorderPixel, &wa);
1545                 }
1546         bar_update();
1547 }
1548
1549 void
1550 bar_setup(struct swm_region *r)
1551 {
1552         char                    *default_string;
1553         char                    **missing_charsets;
1554         int                     num_missing_charsets = 0;
1555         int                     i, x, y;
1556
1557         if (bar_fs) {
1558                 XFreeFontSet(display, bar_fs);
1559                 bar_fs = NULL;
1560         }
1561
1562
1563         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1564
1565         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1566             &num_missing_charsets, &default_string);
1567
1568         if (num_missing_charsets > 0) {
1569                 warnx("Unable to load charset(s):");
1570
1571                 for (i = 0; i < num_missing_charsets; ++i)
1572                         warnx("%s", missing_charsets[i]);
1573
1574                 XFreeStringList(missing_charsets);
1575
1576                 if (strcmp(default_string, ""))
1577                         warnx("Glyphs from those sets will be replaced "
1578                             "by '%s'.", default_string);
1579                 else
1580                         warnx("Glyphs from those sets won't be drawn.");
1581         }
1582
1583         if (bar_fs == NULL)
1584                 errx(1, "Error creating font set structure.");
1585
1586         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1587
1588         bar_height = bar_fs_extents->max_logical_extent.height +
1589             2 * bar_border_width;
1590
1591         if (bar_height < 1)
1592                 bar_height = 1;
1593
1594         x = X(r);
1595         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1596
1597         r->bar_window = XCreateSimpleWindow(display,
1598             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1599             bar_height - 2 * bar_border_width,
1600             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1601             r->s->c[SWM_S_COLOR_BAR].color);
1602         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1603         if (bar_enabled)
1604                 XMapRaised(display, r->bar_window);
1605         DNPRINTF(SWM_D_BAR, "bar_setup: bar_window: 0x%lx\n", r->bar_window);
1606
1607         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1608                 err(1, "could not install bar_signal");
1609         bar_refresh();
1610 }
1611
1612 void
1613 drain_enter_notify(void)
1614 {
1615         int                     i = 0;
1616         XEvent                  cne;
1617
1618         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1619                 i++;
1620
1621         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained: %d\n", i);
1622 }
1623
1624 void
1625 set_win_state(struct ws_win *win, long state)
1626 {
1627         long                    data[] = {state, None};
1628
1629         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%lx\n", win->id);
1630
1631         if (win == NULL)
1632                 return;
1633
1634         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1635             (unsigned char *)data, 2);
1636 }
1637
1638 long
1639 getstate(Window w)
1640 {
1641         long                    result = -1;
1642         unsigned char           *p = NULL;
1643         unsigned long           n;
1644
1645         if (!get_property(w, astate, 2L, astate, &n, &p))
1646                 return (-1);
1647         if (n != 0)
1648                 result = *((long *)p);
1649         XFree(p);
1650         return (result);
1651 }
1652
1653 void
1654 version(struct swm_region *r, union arg *args)
1655 {
1656         bar_version = !bar_version;
1657         if (bar_version)
1658                 snprintf(bar_vertext, sizeof bar_vertext,
1659                     "Version: %s Build: %s", SCROTWM_VERSION, buildstr);
1660         else
1661                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1662         bar_update();
1663 }
1664
1665 void
1666 client_msg(struct ws_win *win, Atom a)
1667 {
1668         XClientMessageEvent     cm;
1669
1670         if (win == NULL)
1671                 return;
1672
1673         bzero(&cm, sizeof cm);
1674         cm.type = ClientMessage;
1675         cm.window = win->id;
1676         cm.message_type = aprot;
1677         cm.format = 32;
1678         cm.data.l[0] = a;
1679         cm.data.l[1] = CurrentTime;
1680         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1681 }
1682
1683 /* synthetic response to a ConfigureRequest when not making a change */
1684 void
1685 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1686 {
1687         XConfigureEvent         ce;
1688
1689         if (win == NULL)
1690                 return;
1691
1692         /* send notification of unchanged state. */
1693         ce.type = ConfigureNotify;
1694         ce.x = X(win);
1695         ce.y = Y(win);
1696         ce.width = WIDTH(win);
1697         ce.height = HEIGHT(win);
1698         ce.override_redirect = False;
1699
1700         if (ev == NULL) {
1701                 /* EWMH */
1702                 ce.display = display;
1703                 ce.event = win->id;
1704                 ce.window = win->id;
1705                 ce.border_width = border_width;
1706                 ce.above = None;
1707         } else {
1708                 /* normal */
1709                 ce.display = ev->display;
1710                 ce.event = ev->window;
1711                 ce.window = ev->window;
1712                 /* adjust x and y for requested border_width. */
1713                 ce.x += border_width - ev->border_width;
1714                 ce.y += border_width - ev->border_width;
1715                 ce.border_width = ev->border_width;
1716                 ce.above = ev->above;
1717         }
1718
1719         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
1720             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
1721             ce.y, ce.width, ce.height, ce.border_width);
1722
1723         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1724 }
1725
1726 int
1727 count_win(struct workspace *ws, int count_transient)
1728 {
1729         struct ws_win           *win;
1730         int                     count = 0;
1731
1732         TAILQ_FOREACH(win, &ws->winlist, entry) {
1733                 if (count_transient == 0 && win->floating)
1734                         continue;
1735                 if (count_transient == 0 && win->transient)
1736                         continue;
1737                 if (win->iconic)
1738                         continue;
1739                 count++;
1740         }
1741         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1742
1743         return (count);
1744 }
1745
1746 void
1747 quit(struct swm_region *r, union arg *args)
1748 {
1749         DNPRINTF(SWM_D_MISC, "quit\n");
1750         running = 0;
1751 }
1752
1753 void
1754 unmap_window(struct ws_win *win)
1755 {
1756         if (win == NULL)
1757                 return;
1758
1759         /* don't unmap again */
1760         if (getstate(win->id) == IconicState)
1761                 return;
1762
1763         set_win_state(win, IconicState);
1764
1765         XUnmapWindow(display, win->id);
1766         XSetWindowBorder(display, win->id,
1767             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1768 }
1769
1770 void
1771 unmap_all(void)
1772 {
1773         struct ws_win           *win;
1774         int                     i, j;
1775
1776         for (i = 0; i < ScreenCount(display); i++)
1777                 for (j = 0; j < SWM_WS_MAX; j++)
1778                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1779                                 unmap_window(win);
1780 }
1781
1782 void
1783 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1784 {
1785         XKeyEvent event;
1786
1787         if (win == NULL)
1788                 return;
1789
1790         event.display = display;        /* Ignored, but what the hell */
1791         event.window = win->id;
1792         event.root = win->s->root;
1793         event.subwindow = None;
1794         event.time = CurrentTime;
1795         event.x = X(win);
1796         event.y = Y(win);
1797         event.x_root = 1;
1798         event.y_root = 1;
1799         event.same_screen = True;
1800         event.keycode = XKeysymToKeycode(display, keysym);
1801         event.state = modifiers;
1802
1803         event.type = KeyPress;
1804         XSendEvent(event.display, event.window, True,
1805             KeyPressMask, (XEvent *)&event);
1806
1807         event.type = KeyRelease;
1808         XSendEvent(event.display, event.window, True,
1809             KeyPressMask, (XEvent *)&event);
1810
1811 }
1812
1813 void
1814 restart(struct swm_region *r, union arg *args)
1815 {
1816         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1817
1818         /* disable alarm because the following code may not be interrupted */
1819         alarm(0);
1820         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1821                 err(1, "can't disable alarm");
1822
1823         bar_extra_stop();
1824         bar_extra = 1;
1825         unmap_all();
1826         XCloseDisplay(display);
1827         execvp(start_argv[0], start_argv);
1828         fprintf(stderr, "execvp failed\n");
1829         perror(" failed");
1830         quit(NULL, NULL);
1831 }
1832
1833 struct swm_region *
1834 root_to_region(Window root)
1835 {
1836         struct swm_region       *r = NULL;
1837         Window                  rr, cr;
1838         int                     i, x, y, wx, wy;
1839         unsigned int            mask;
1840
1841         for (i = 0; i < ScreenCount(display); i++)
1842                 if (screens[i].root == root)
1843                         break;
1844
1845         if (XQueryPointer(display, screens[i].root,
1846             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1847                 /* choose a region based on pointer location */
1848                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1849                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1850                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1851                                 break;
1852         }
1853
1854         if (r == NULL)
1855                 r = TAILQ_FIRST(&screens[i].rl);
1856
1857         return (r);
1858 }
1859
1860 struct ws_win *
1861 find_unmanaged_window(Window id)
1862 {
1863         struct ws_win           *win;
1864         int                     i, j;
1865
1866         for (i = 0; i < ScreenCount(display); i++)
1867                 for (j = 0; j < SWM_WS_MAX; j++)
1868                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1869                             entry)
1870                                 if (id == win->id)
1871                                         return (win);
1872         return (NULL);
1873 }
1874
1875 struct ws_win *
1876 find_window(Window id)
1877 {
1878         struct ws_win           *win;
1879         Window                  wrr, wpr, *wcr = NULL;
1880         int                     i, j;
1881         unsigned int            nc;
1882
1883         for (i = 0; i < ScreenCount(display); i++)
1884                 for (j = 0; j < SWM_WS_MAX; j++)
1885                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1886                                 if (id == win->id)
1887                                         return (win);
1888
1889         /* if we were looking for the parent return that window instead */
1890         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1891                 return (NULL);
1892         if (wcr)
1893                 XFree(wcr);
1894
1895         /* ignore not found and root */
1896         if (wpr == 0 || wrr == wpr)
1897                 return (NULL);
1898
1899         /* look for parent */
1900         for (i = 0; i < ScreenCount(display); i++)
1901                 for (j = 0; j < SWM_WS_MAX; j++)
1902                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1903                                 if (wpr == win->id)
1904                                         return (win);
1905
1906         return (NULL);
1907 }
1908
1909 void
1910 spawn(int ws_idx, union arg *args, int close_fd)
1911 {
1912         int                     fd;
1913         char                    *ret = NULL;
1914
1915         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1916
1917         if (display)
1918                 close(ConnectionNumber(display));
1919
1920         setenv("LD_PRELOAD", SWM_LIB, 1);
1921
1922         if (asprintf(&ret, "%d", ws_idx) == -1) {
1923                 perror("_SWM_WS");
1924                 _exit(1);
1925         }
1926         setenv("_SWM_WS", ret, 1);
1927         free(ret);
1928         ret = NULL;
1929
1930         if (asprintf(&ret, "%d", getpid()) == -1) {
1931                 perror("_SWM_PID");
1932                 _exit(1);
1933         }
1934         setenv("_SWM_PID", ret, 1);
1935         free(ret);
1936         ret = NULL;
1937
1938         if (setsid() == -1) {
1939                 perror("setsid");
1940                 _exit(1);
1941         }
1942
1943         if (close_fd) {
1944                 /*
1945                  * close stdin and stdout to prevent interaction between apps
1946                  * and the baraction script
1947                  * leave stderr open to record errors
1948                 */
1949                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1950                         perror("open");
1951                         _exit(1);
1952                 }
1953                 dup2(fd, STDIN_FILENO);
1954                 dup2(fd, STDOUT_FILENO);
1955                 if (fd > 2)
1956                         close(fd);
1957         }
1958
1959         execvp(args->argv[0], args->argv);
1960
1961         perror("execvp");
1962         _exit(1);
1963 }
1964
1965 void
1966 spawnterm(struct swm_region *r, union arg *args)
1967 {
1968         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1969
1970         if (fork() == 0) {
1971                 if (term_width)
1972                         setenv("_SWM_XTERM_FONTADJ", "", 1);
1973                 spawn(r->ws->idx, args, 1);
1974         }
1975 }
1976
1977 void
1978 kill_refs(struct ws_win *win)
1979 {
1980         int                     i, x;
1981         struct swm_region       *r;
1982         struct workspace        *ws;
1983
1984         if (win == NULL)
1985                 return;
1986
1987         for (i = 0; i < ScreenCount(display); i++)
1988                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1989                         for (x = 0; x < SWM_WS_MAX; x++) {
1990                                 ws = &r->s->ws[x];
1991                                 if (win == ws->focus)
1992                                         ws->focus = NULL;
1993                                 if (win == ws->focus_prev)
1994                                         ws->focus_prev = NULL;
1995                         }
1996 }
1997
1998 int
1999 validate_win(struct ws_win *testwin)
2000 {
2001         struct ws_win           *win;
2002         struct workspace        *ws;
2003         struct swm_region       *r;
2004         int                     i, x;
2005
2006         if (testwin == NULL)
2007                 return (0);
2008
2009         for (i = 0; i < ScreenCount(display); i++)
2010                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2011                         for (x = 0; x < SWM_WS_MAX; x++) {
2012                                 ws = &r->s->ws[x];
2013                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2014                                         if (win == testwin)
2015                                                 return (0);
2016                         }
2017         return (1);
2018 }
2019
2020 int
2021 validate_ws(struct workspace *testws)
2022 {
2023         struct swm_region       *r;
2024         struct workspace        *ws;
2025         int                     i, x;
2026
2027         /* validate all ws */
2028         for (i = 0; i < ScreenCount(display); i++)
2029                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2030                         for (x = 0; x < SWM_WS_MAX; x++) {
2031                                 ws = &r->s->ws[x];
2032                                 if (ws == testws)
2033                                         return (0);
2034                         }
2035         return (1);
2036 }
2037
2038 void
2039 unfocus_win(struct ws_win *win)
2040 {
2041         XEvent                  cne;
2042         Window                  none = None;
2043
2044         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2045
2046         if (win == NULL)
2047                 return;
2048         if (win->ws == NULL)
2049                 return;
2050
2051         if (validate_ws(win->ws))
2052                 return; /* XXX this gets hit with thunderbird, needs fixing */
2053
2054         if (win->ws->r == NULL)
2055                 return;
2056
2057         if (validate_win(win)) {
2058                 kill_refs(win);
2059                 return;
2060         }
2061
2062         if (win->ws->focus == win) {
2063                 win->ws->focus = NULL;
2064                 win->ws->focus_prev = win;
2065         }
2066
2067         if (validate_win(win->ws->focus)) {
2068                 kill_refs(win->ws->focus);
2069                 win->ws->focus = NULL;
2070         }
2071         if (validate_win(win->ws->focus_prev)) {
2072                 kill_refs(win->ws->focus_prev);
2073                 win->ws->focus_prev = NULL;
2074         }
2075
2076         /* drain all previous unfocus events */
2077         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2078                 ;
2079
2080         grabbuttons(win, 0);
2081         XSetWindowBorder(display, win->id,
2082             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2083
2084         XChangeProperty(display, win->s->root,
2085             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2086             PropModeReplace, (unsigned char *)&none,1);
2087 }
2088
2089 void
2090 unfocus_all(void)
2091 {
2092         struct ws_win           *win;
2093         int                     i, j;
2094
2095         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2096
2097         for (i = 0; i < ScreenCount(display); i++)
2098                 for (j = 0; j < SWM_WS_MAX; j++)
2099                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2100                                 unfocus_win(win);
2101 }
2102
2103 void
2104 focus_win(struct ws_win *win)
2105 {
2106         XEvent                  cne;
2107         Window                  cur_focus;
2108         int                     rr;
2109         struct ws_win           *cfw = NULL;
2110
2111
2112         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2113
2114         if (win == NULL)
2115                 return;
2116         if (win->ws == NULL)
2117                 return;
2118
2119         if (validate_ws(win->ws))
2120                 return; /* XXX this gets hit with thunderbird, needs fixing */
2121
2122         if (validate_win(win)) {
2123                 kill_refs(win);
2124                 return;
2125         }
2126
2127         if (validate_win(win)) {
2128                 kill_refs(win);
2129                 return;
2130         }
2131
2132         XGetInputFocus(display, &cur_focus, &rr);
2133         if ((cfw = find_window(cur_focus)) != NULL)
2134                 unfocus_win(cfw);
2135         else {
2136                 /* use larger hammer since the window was killed somehow */
2137                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2138                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2139                                 XSetWindowBorder(display, cfw->id,
2140                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2141         }
2142
2143         win->ws->focus = win;
2144
2145         if (win->ws->r != NULL) {
2146                 /* drain all previous focus events */
2147                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2148                         ;
2149
2150                 if (win->java == 0)
2151                         XSetInputFocus(display, win->id,
2152                             RevertToParent, CurrentTime);
2153                 grabbuttons(win, 1);
2154                 XSetWindowBorder(display, win->id,
2155                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2156                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2157                     win->ws->always_raise)
2158                         XMapRaised(display, win->id);
2159
2160                 XChangeProperty(display, win->s->root,
2161                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2162                     PropModeReplace, (unsigned char *)&win->id,1);
2163         }
2164
2165         if (window_name_enabled)
2166                 bar_update();
2167 }
2168
2169 void
2170 switchws(struct swm_region *r, union arg *args)
2171 {
2172         int                     wsid = args->id, unmap_old = 0;
2173         struct swm_region       *this_r, *other_r;
2174         struct ws_win           *win;
2175         struct workspace        *new_ws, *old_ws;
2176         union arg               a;
2177
2178         if (!(r && r->s))
2179                 return;
2180
2181         this_r = r;
2182         old_ws = this_r->ws;
2183         new_ws = &this_r->s->ws[wsid];
2184
2185         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2186             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2187
2188         if (new_ws == NULL || old_ws == NULL)
2189                 return;
2190         if (new_ws == old_ws)
2191                 return;
2192
2193         other_r = new_ws->r;
2194         if (other_r == NULL) {
2195                 /* the other workspace is hidden, hide this one */
2196                 old_ws->r = NULL;
2197                 unmap_old = 1;
2198         } else {
2199                 /* the other ws is visible in another region, exchange them */
2200                 other_r->ws_prior = new_ws;
2201                 other_r->ws = old_ws;
2202                 old_ws->r = other_r;
2203         }
2204         this_r->ws_prior = old_ws;
2205         this_r->ws = new_ws;
2206         new_ws->r = this_r;
2207
2208         /* this is needed so that we can click on a window after a restart */
2209         unfocus_all();
2210
2211         stack();
2212         a.id = SWM_ARG_ID_FOCUSCUR;
2213         focus(new_ws->r, &a);
2214
2215         bar_update();
2216
2217         /* unmap old windows */
2218         if (unmap_old)
2219                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2220                         unmap_window(win);
2221
2222         if (focus_mode == SWM_FOCUS_DEFAULT)
2223                 drain_enter_notify();
2224 }
2225
2226 void
2227 cyclews(struct swm_region *r, union arg *args)
2228 {
2229         union                   arg a;
2230         struct swm_screen       *s = r->s;
2231         int                     cycle_all = 0;
2232
2233         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2234             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2235
2236         a.id = r->ws->idx;
2237         do {
2238                 switch (args->id) {
2239                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2240                         cycle_all = 1;
2241                         /* FALLTHROUGH */
2242                 case SWM_ARG_ID_CYCLEWS_UP:
2243                         if (a.id < SWM_WS_MAX - 1)
2244                                 a.id++;
2245                         else
2246                                 a.id = 0;
2247                         break;
2248                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2249                         cycle_all = 1;
2250                         /* FALLTHROUGH */
2251                 case SWM_ARG_ID_CYCLEWS_DOWN:
2252                         if (a.id > 0)
2253                                 a.id--;
2254                         else
2255                                 a.id = SWM_WS_MAX - 1;
2256                         break;
2257                 default:
2258                         return;
2259                 };
2260
2261                 if (!cycle_all &&
2262                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2263                         continue;
2264                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2265                         continue;
2266
2267                 switchws(r, &a);
2268         } while (a.id != r->ws->idx);
2269 }
2270
2271 void
2272 priorws(struct swm_region *r, union arg *args)
2273 {
2274         union arg               a;
2275
2276         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2277             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2278
2279         if (r->ws_prior == NULL)
2280                 return;
2281
2282         a.id = r->ws_prior->idx;
2283         switchws(r, &a);
2284 }
2285
2286 void
2287 cyclescr(struct swm_region *r, union arg *args)
2288 {
2289         struct swm_region       *rr = NULL;
2290         union arg               a;
2291         int                     i, x, y;
2292
2293         /* do nothing if we don't have more than one screen */
2294         if (!(ScreenCount(display) > 1 || outputs > 1))
2295                 return;
2296
2297         i = r->s->idx;
2298         switch (args->id) {
2299         case SWM_ARG_ID_CYCLESC_UP:
2300                 rr = TAILQ_NEXT(r, entry);
2301                 if (rr == NULL)
2302                         rr = TAILQ_FIRST(&screens[i].rl);
2303                 break;
2304         case SWM_ARG_ID_CYCLESC_DOWN:
2305                 rr = TAILQ_PREV(r, swm_region_list, entry);
2306                 if (rr == NULL)
2307                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2308                 break;
2309         default:
2310                 return;
2311         };
2312         if (rr == NULL)
2313                 return;
2314
2315         /* move mouse to region */
2316         x = X(rr) + 1;
2317         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2318         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2319
2320         a.id = SWM_ARG_ID_FOCUSCUR;
2321         focus(rr, &a);
2322
2323         if (rr->ws->focus) {
2324                 /* move to focus window */
2325                 x = X(rr->ws->focus) + 1;
2326                 y = Y(rr->ws->focus) + 1;
2327                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2328         }
2329 }
2330
2331 void
2332 sort_windows(struct ws_win_list *wl)
2333 {
2334         struct ws_win           *win, *parent, *nxt;
2335
2336         if (wl == NULL)
2337                 return;
2338
2339         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2340                 nxt = TAILQ_NEXT(win, entry);
2341                 if (win->transient) {
2342                         parent = find_window(win->transient);
2343                         if (parent == NULL) {
2344                                 fprintf(stderr, "not possible bug\n");
2345                                 continue;
2346                         }
2347                         TAILQ_REMOVE(wl, win, entry);
2348                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2349                 }
2350         }
2351
2352 }
2353
2354 void
2355 swapwin(struct swm_region *r, union arg *args)
2356 {
2357         struct ws_win           *target, *source;
2358         struct ws_win           *cur_focus;
2359         struct ws_win_list      *wl;
2360
2361
2362         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2363             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2364
2365         cur_focus = r->ws->focus;
2366         if (cur_focus == NULL)
2367                 return;
2368
2369         source = cur_focus;
2370         wl = &source->ws->winlist;
2371
2372         switch (args->id) {
2373         case SWM_ARG_ID_SWAPPREV:
2374                 if (source->transient)
2375                         source = find_window(source->transient);
2376                 target = TAILQ_PREV(source, ws_win_list, entry);
2377                 if (target && target->transient)
2378                         target = find_window(target->transient);
2379                 TAILQ_REMOVE(wl, source, entry);
2380                 if (target == NULL)
2381                         TAILQ_INSERT_TAIL(wl, source, entry);
2382                 else
2383                         TAILQ_INSERT_BEFORE(target, source, entry);
2384                 break;
2385         case SWM_ARG_ID_SWAPNEXT:
2386                 target = TAILQ_NEXT(source, entry);
2387                 /* move the parent and let the sort handle the move */
2388                 if (source->transient)
2389                         source = find_window(source->transient);
2390                 TAILQ_REMOVE(wl, source, entry);
2391                 if (target == NULL)
2392                         TAILQ_INSERT_HEAD(wl, source, entry);
2393                 else
2394                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2395                 break;
2396         case SWM_ARG_ID_SWAPMAIN:
2397                 target = TAILQ_FIRST(wl);
2398                 if (target == source) {
2399                         if (source->ws->focus_prev != NULL &&
2400                             source->ws->focus_prev != target)
2401
2402                                 source = source->ws->focus_prev;
2403                         else
2404                                 return;
2405                 }
2406                 if (target == NULL || source == NULL)
2407                         return;
2408                 source->ws->focus_prev = target;
2409                 TAILQ_REMOVE(wl, target, entry);
2410                 TAILQ_INSERT_BEFORE(source, target, entry);
2411                 TAILQ_REMOVE(wl, source, entry);
2412                 TAILQ_INSERT_HEAD(wl, source, entry);
2413                 break;
2414         case SWM_ARG_ID_MOVELAST:
2415                 TAILQ_REMOVE(wl, source, entry);
2416                 TAILQ_INSERT_TAIL(wl, source, entry);
2417                 break;
2418         default:
2419                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2420                 return;
2421         }
2422
2423         sort_windows(wl);
2424
2425         stack();
2426 }
2427
2428 void
2429 focus_prev(struct ws_win *win)
2430 {
2431         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2432         struct ws_win           *cur_focus = NULL;
2433         struct ws_win_list      *wl = NULL;
2434         struct workspace        *ws = NULL;
2435
2436         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx\n", WINID(win));
2437
2438         if (!(win && win->ws))
2439                 return;
2440
2441         ws = win->ws;
2442         wl = &ws->winlist;
2443         cur_focus = ws->focus;
2444         winlostfocus = cur_focus;
2445
2446         /* pickle, just focus on whatever */
2447         if (cur_focus == NULL) {
2448                 /* use prev_focus if valid */
2449                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2450                     find_window(WINID(ws->focus_prev)))
2451                         winfocus = ws->focus_prev;
2452                 if (winfocus == NULL)
2453                         winfocus = TAILQ_FIRST(wl);
2454                 goto done;
2455         }
2456
2457         /* if transient focus on parent */
2458         if (cur_focus->transient) {
2459                 winfocus = find_window(cur_focus->transient);
2460                 goto done;
2461         }
2462
2463         /* if in max_stack try harder */
2464         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2465             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2466                 if (cur_focus != ws->focus_prev)
2467                         winfocus = ws->focus_prev;
2468                 else if (cur_focus != ws->focus)
2469                         winfocus = ws->focus;
2470                 else
2471                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2472                 if (winfocus)
2473                         goto done;
2474         }
2475
2476         if (cur_focus == win)
2477                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2478         if (winfocus == NULL)
2479                 winfocus = TAILQ_LAST(wl, ws_win_list);
2480         if (winfocus == NULL || winfocus == win)
2481                 winfocus = TAILQ_NEXT(cur_focus, entry);
2482 done:
2483         if (winfocus == winlostfocus || winfocus == NULL) {
2484                 /* update the bar so that title/class/name will be cleared. */
2485                 if (window_name_enabled || title_name_enabled ||
2486                     title_class_enabled)
2487                         bar_update();
2488                 return;
2489         }
2490
2491         focus_magic(winfocus);
2492 }
2493
2494 void
2495 focus(struct swm_region *r, union arg *args)
2496 {
2497         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2498         struct ws_win           *cur_focus = NULL;
2499         struct ws_win_list      *wl = NULL;
2500         struct workspace        *ws = NULL;
2501         int                     all_iconics;
2502
2503         if (!(r && r->ws))
2504                 return;
2505
2506         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2507
2508         /* treat FOCUS_CUR special */
2509         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2510                 if (r->ws->focus && r->ws->focus->iconic == 0)
2511                         winfocus = r->ws->focus;
2512                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2513                         winfocus = r->ws->focus_prev;
2514                 else
2515                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2516                                 if (winfocus->iconic == 0)
2517                                         break;
2518
2519                 focus_magic(winfocus);
2520                 return;
2521         }
2522
2523         if ((cur_focus = r->ws->focus) == NULL)
2524                 return;
2525         ws = r->ws;
2526         wl = &ws->winlist;
2527         if (TAILQ_EMPTY(wl))
2528                 return;
2529         /* make sure there is at least one uniconified window */
2530         all_iconics = 1;
2531         TAILQ_FOREACH(winfocus, wl, entry)
2532                 if (winfocus->iconic == 0) {
2533                         all_iconics = 0;
2534                         break;
2535                 }
2536         if (all_iconics)
2537                 return;
2538
2539         winlostfocus = cur_focus;
2540
2541         switch (args->id) {
2542         case SWM_ARG_ID_FOCUSPREV:
2543                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2544                 if (head == NULL)
2545                         head = TAILQ_LAST(wl, ws_win_list);
2546                 winfocus = head;
2547                 if (WINID(winfocus) == cur_focus->transient) {
2548                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2549                         if (head == NULL)
2550                                 head = TAILQ_LAST(wl, ws_win_list);
2551                         winfocus = head;
2552                 }
2553
2554                 /* skip iconics */
2555                 if (winfocus && winfocus->iconic) {
2556                         while (winfocus != cur_focus) {
2557                                 if (winfocus == NULL)
2558                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2559                                 if (winfocus->iconic == 0)
2560                                         break;
2561                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2562                                     entry);
2563                         }
2564                 }
2565                 break;
2566
2567         case SWM_ARG_ID_FOCUSNEXT:
2568                 head = TAILQ_NEXT(cur_focus, entry);
2569                 if (head == NULL)
2570                         head = TAILQ_FIRST(wl);
2571                 winfocus = head;
2572
2573                 /* skip iconics */
2574                 if (winfocus && winfocus->iconic) {
2575                         while (winfocus != cur_focus) {
2576                                 if (winfocus == NULL)
2577                                         winfocus = TAILQ_FIRST(wl);
2578                                 if (winfocus->iconic == 0)
2579                                         break;
2580                                 winfocus = TAILQ_NEXT(winfocus, entry);
2581                         }
2582                 }
2583                 break;
2584
2585         case SWM_ARG_ID_FOCUSMAIN:
2586                 winfocus = TAILQ_FIRST(wl);
2587                 if (winfocus == cur_focus)
2588                         winfocus = cur_focus->ws->focus_prev;
2589                 break;
2590
2591         default:
2592                 return;
2593         }
2594         if (winfocus == winlostfocus || winfocus == NULL) {
2595                 /* update the bar so that title/class/name will be cleared. */
2596                 if (window_name_enabled || title_name_enabled ||
2597                     title_class_enabled)
2598                         bar_update();
2599
2600                 return;
2601         }
2602
2603         focus_magic(winfocus);
2604 }
2605
2606 void
2607 cycle_layout(struct swm_region *r, union arg *args)
2608 {
2609         struct workspace        *ws = r->ws;
2610         union arg               a;
2611
2612         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2613
2614         ws->cur_layout++;
2615         if (ws->cur_layout->l_stack == NULL)
2616                 ws->cur_layout = &layouts[0];
2617
2618         stack();
2619         if (focus_mode == SWM_FOCUS_DEFAULT)
2620                 drain_enter_notify();
2621         a.id = SWM_ARG_ID_FOCUSCUR;
2622         focus(r, &a);
2623         bar_update();
2624 }
2625
2626 void
2627 stack_config(struct swm_region *r, union arg *args)
2628 {
2629         struct workspace        *ws = r->ws;
2630
2631         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
2632             args->id, ws->idx);
2633
2634         if (ws->cur_layout->l_config != NULL)
2635                 ws->cur_layout->l_config(ws, args->id);
2636
2637         if (args->id != SWM_ARG_ID_STACKINIT)
2638                 stack();
2639         bar_update();
2640 }
2641
2642 void
2643 stack(void) {
2644         struct swm_geometry     g;
2645         struct swm_region       *r;
2646         int                     i;
2647 #ifdef SWM_DEBUG
2648         int j;
2649 #endif
2650
2651         DNPRINTF(SWM_D_STACK, "stack: begin\n");
2652
2653         for (i = 0; i < ScreenCount(display); i++) {
2654 #ifdef SWM_DEBUG
2655                 j = 0;
2656 #endif
2657                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2658                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
2659                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
2660
2661                         /* start with screen geometry, adjust for bar */
2662                         g = r->g;
2663                         g.w -= 2 * border_width;
2664                         g.h -= 2 * border_width;
2665                         if (bar_enabled) {
2666                                 if (!bar_at_bottom)
2667                                         g.y += bar_height;
2668                                 g.h -= bar_height;
2669                         }
2670                         r->ws->cur_layout->l_stack(r->ws, &g);
2671                         r->ws->cur_layout->l_string(r->ws);
2672                         /* save r so we can track region changes */
2673                         r->ws->old_r = r;
2674                 }
2675         }
2676         if (font_adjusted)
2677                 font_adjusted--;
2678
2679         if (focus_mode == SWM_FOCUS_DEFAULT)
2680                 drain_enter_notify();
2681
2682         DNPRINTF(SWM_D_STACK, "stack: end\n");
2683 }
2684
2685 void
2686 store_float_geom(struct ws_win *win, struct swm_region *r)
2687 {
2688         /* retain window geom and region geom */
2689         win->g_float = win->g;
2690         win->rg_float = r->g;
2691         win->g_floatvalid = 1;
2692 }
2693
2694 void
2695 stack_floater(struct ws_win *win, struct swm_region *r)
2696 {
2697         unsigned int            mask;
2698         XWindowChanges          wc;
2699
2700         if (win == NULL)
2701                 return;
2702
2703         bzero(&wc, sizeof wc);
2704         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2705
2706         /*
2707          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2708          * geom on ws switches or return from max mode
2709          */
2710         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2711             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2712                 /*
2713                  * use stored g and rg to set relative position and size
2714                  * as in old region or before max stack mode
2715                  */
2716                 X(win) = win->g_float.x - win->rg_float.x + X(r);
2717                 Y(win) = win->g_float.y - win->rg_float.y + Y(r);
2718                 WIDTH(win) = win->g_float.w;
2719                 HEIGHT(win) = win->g_float.h;
2720                 win->g_floatvalid = 0;
2721         }
2722
2723         win->floatmaxed = 0;
2724
2725         if ((win->quirks & SWM_Q_FULLSCREEN) && (WIDTH(win) >= WIDTH(r)) &&
2726             (HEIGHT(win) >= HEIGHT(r)))
2727                 wc.border_width = 0;
2728         else
2729                 wc.border_width = border_width;
2730         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2731                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
2732                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
2733         }
2734
2735         if (!win->manual) {
2736                 /*
2737                  * floaters and transients are auto-centred unless moved
2738                  * or resized
2739                  */
2740                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - wc.border_width;
2741                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - wc.border_width;
2742         }
2743
2744         /* win can be outside r if new r smaller than old r */
2745         /* Ensure top left corner inside r (move probs otherwise) */
2746         if (X(win) < X(r) - wc.border_width)
2747                 X(win) = X(r) - wc.border_width;
2748         if (X(win) > X(r) + WIDTH(r) - 1)
2749                 X(win) = (WIDTH(win) > WIDTH(r)) ? X(r) :
2750                     (X(r) + WIDTH(r) - WIDTH(win) - 2 * wc.border_width);
2751         if (Y(win) < Y(r) - wc.border_width)
2752                 Y(win) = Y(r) - wc.border_width;
2753         if (Y(win) > Y(r) + HEIGHT(r) - 1)
2754                 Y(win) = (HEIGHT(win) > HEIGHT(r)) ? Y(r) :
2755                     (Y(r) + HEIGHT(r) - HEIGHT(win) - 2 * wc.border_width);
2756
2757         wc.x = X(win);
2758         wc.y = Y(win);
2759         wc.width = WIDTH(win);
2760         wc.height = HEIGHT(win);
2761
2762         /*
2763          * Retain floater and transient geometry for correct positioning
2764          * when ws changes region
2765          */
2766         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2767                 store_float_geom(win, r);
2768
2769         DNPRINTF(SWM_D_MISC, "stack_floater: window: %lu, (x,y) w x h: (%d,%d) "
2770             "%d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
2771
2772         XConfigureWindow(display, win->id, mask, &wc);
2773 }
2774
2775 /*
2776  * Send keystrokes to terminal to decrease/increase the font size as the
2777  * window size changes.
2778  */
2779 void
2780 adjust_font(struct ws_win *win)
2781 {
2782         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2783             win->floating || win->transient)
2784                 return;
2785
2786         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2787             WIDTH(win) / win->sh.width_inc < term_width &&
2788             win->font_steps < SWM_MAX_FONT_STEPS) {
2789                 win->font_size_boundary[win->font_steps] =
2790                     (win->sh.width_inc * term_width) + win->sh.base_width;
2791                 win->font_steps++;
2792                 font_adjusted++;
2793                 win->last_inc = win->sh.width_inc;
2794                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2795         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2796             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
2797                 win->font_steps--;
2798                 font_adjusted++;
2799                 win->last_inc = win->sh.width_inc;
2800                 fake_keypress(win, XK_KP_Add, ShiftMask);
2801         }
2802 }
2803
2804 #define SWAPXY(g)       do {                            \
2805         int tmp;                                        \
2806         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2807         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2808 } while (0)
2809 void
2810 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2811 {
2812         XWindowChanges          wc;
2813         XWindowAttributes       wa;
2814         struct swm_geometry     win_g, r_g = *g;
2815         struct ws_win           *win, *fs_win = 0;
2816         int                     i, j, s, stacks;
2817         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2818         int                     hrh, extra = 0, h_slice, last_h = 0;
2819         int                     split, colno, winno, mwin, msize, mscale;
2820         int                     remain, missing, v_slice, reconfigure;
2821         unsigned int            mask;
2822
2823         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
2824             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
2825
2826         winno = count_win(ws, 0);
2827         if (winno == 0 && count_win(ws, 1) == 0)
2828                 return;
2829
2830         TAILQ_FOREACH(win, &ws->winlist, entry)
2831                 if (win->transient == 0 && win->floating == 0
2832                     && win->iconic == 0)
2833                         break;
2834
2835         if (win == NULL)
2836                 goto notiles;
2837
2838         if (rot) {
2839                 w_inc = win->sh.width_inc;
2840                 w_base = win->sh.base_width;
2841                 mwin = ws->l_state.horizontal_mwin;
2842                 mscale = ws->l_state.horizontal_msize;
2843                 stacks = ws->l_state.horizontal_stacks;
2844                 SWAPXY(&r_g);
2845         } else {
2846                 w_inc = win->sh.height_inc;
2847                 w_base = win->sh.base_height;
2848                 mwin = ws->l_state.vertical_mwin;
2849                 mscale = ws->l_state.vertical_msize;
2850                 stacks = ws->l_state.vertical_stacks;
2851         }
2852         win_g = r_g;
2853
2854         if (stacks > winno - mwin)
2855                 stacks = winno - mwin;
2856         if (stacks < 1)
2857                 stacks = 1;
2858
2859         h_slice = r_g.h / SWM_H_SLICE;
2860         if (mwin && winno > mwin) {
2861                 v_slice = r_g.w / SWM_V_SLICE;
2862
2863                 split = mwin;
2864                 colno = split;
2865                 win_g.w = v_slice * mscale;
2866
2867                 if (w_inc > 1 && w_inc < v_slice) {
2868                         /* adjust for window's requested size increment */
2869                         remain = (win_g.w - w_base) % w_inc;
2870                         missing = w_inc - remain;
2871                         win_g.w -= remain;
2872                         extra += remain;
2873                 }
2874
2875                 msize = win_g.w;
2876                 if (flip)
2877                         win_g.x += r_g.w - msize;
2878         } else {
2879                 msize = -2;
2880                 colno = split = winno / stacks;
2881                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2882                     2 * border_width) / stacks);
2883         }
2884         hrh = r_g.h / colno;
2885         extra = r_g.h - (colno * hrh);
2886         win_g.h = hrh - 2 * border_width;
2887
2888         /*  stack all the tiled windows */
2889         i = j = 0, s = stacks;
2890         TAILQ_FOREACH(win, &ws->winlist, entry) {
2891                 if (win->transient != 0 || win->floating != 0)
2892                         continue;
2893                 if (win->iconic != 0)
2894                         continue;
2895
2896                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2897                         fs_win = win;
2898                         continue;
2899                 }
2900
2901                 if (split && i == split) {
2902                         colno = (winno - mwin) / stacks;
2903                         if (s <= (winno - mwin) % stacks)
2904                                 colno++;
2905                         split = split + colno;
2906                         hrh = (r_g.h / colno);
2907                         extra = r_g.h - (colno * hrh);
2908                         if (flip)
2909                                 win_g.x = r_g.x;
2910                         else
2911                                 win_g.x += win_g.w + 2 * border_width;
2912                         win_g.w = (r_g.w - msize -
2913                             (stacks * 2 * border_width)) / stacks;
2914                         if (s == 1)
2915                                 win_g.w += (r_g.w - msize -
2916                                     (stacks * 2 * border_width)) % stacks;
2917                         s--;
2918                         j = 0;
2919                 }
2920                 win_g.h = hrh - 2 * border_width;
2921                 if (rot) {
2922                         h_inc = win->sh.width_inc;
2923                         h_base = win->sh.base_width;
2924                 } else {
2925                         h_inc = win->sh.height_inc;
2926                         h_base = win->sh.base_height;
2927                 }
2928                 if (j == colno - 1) {
2929                         win_g.h = hrh + extra;
2930                 } else if (h_inc > 1 && h_inc < h_slice) {
2931                         /* adjust for window's requested size increment */
2932                         remain = (win_g.h - h_base) % h_inc;
2933                         missing = h_inc - remain;
2934
2935                         if (missing <= extra || j == 0) {
2936                                 extra -= missing;
2937                                 win_g.h += missing;
2938                         } else {
2939                                 win_g.h -= remain;
2940                                 extra += remain;
2941                         }
2942                 }
2943
2944                 if (j == 0)
2945                         win_g.y = r_g.y;
2946                 else
2947                         win_g.y += last_h + 2 * border_width;
2948
2949                 bzero(&wc, sizeof wc);
2950                 if (disable_border && bar_enabled == 0 && winno == 1){
2951                         wc.border_width = 0;
2952                         win_g.w += 2 * border_width;
2953                         win_g.h += 2 * border_width;
2954                 } else
2955                         wc.border_width = border_width;
2956                 reconfigure = 0;
2957                 if (rot) {
2958                         if (X(win) != win_g.y || Y(win) != win_g.x ||
2959                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
2960                                 reconfigure = 1;
2961                                 X(win) = wc.x = win_g.y;
2962                                 Y(win) = wc.y = win_g.x;
2963                                 WIDTH(win) = wc.width = win_g.h;
2964                                 HEIGHT(win) = wc.height = win_g.w;
2965                         }
2966                 } else {
2967                         if (X(win) != win_g.x || Y(win) != win_g.y ||
2968                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
2969                                 reconfigure = 1;
2970                                 X(win) = wc.x = win_g.x;
2971                                 Y(win) = wc.y = win_g.y;
2972                                 WIDTH(win) = wc.width = win_g.w;
2973                                 HEIGHT(win) = wc.height = win_g.h;
2974                         }
2975                 }
2976                 if (reconfigure) {
2977                         adjust_font(win);
2978                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2979                         XConfigureWindow(display, win->id, mask, &wc);
2980                 }
2981
2982                 if (XGetWindowAttributes(display, win->id, &wa))
2983                         if (wa.map_state == IsUnmapped)
2984                                 XMapRaised(display, win->id);
2985
2986                 last_h = win_g.h;
2987                 i++;
2988                 j++;
2989         }
2990
2991 notiles:
2992         /* now, stack all the floaters and transients */
2993         TAILQ_FOREACH(win, &ws->winlist, entry) {
2994                 if (win->transient == 0 && win->floating == 0)
2995                         continue;
2996                 if (win->iconic == 1)
2997                         continue;
2998                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2999                         fs_win = win;
3000                         continue;
3001                 }
3002
3003                 stack_floater(win, ws->r);
3004                 XMapRaised(display, win->id);
3005         }
3006
3007         if (fs_win) {
3008                 stack_floater(fs_win, ws->r);
3009                 XMapRaised(display, fs_win->id);
3010         }
3011 }
3012
3013 void
3014 vertical_config(struct workspace *ws, int id)
3015 {
3016         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3017             id, ws->idx);
3018
3019         switch (id) {
3020         case SWM_ARG_ID_STACKRESET:
3021         case SWM_ARG_ID_STACKINIT:
3022                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3023                 ws->l_state.vertical_mwin = 1;
3024                 ws->l_state.vertical_stacks = 1;
3025                 break;
3026         case SWM_ARG_ID_MASTERSHRINK:
3027                 if (ws->l_state.vertical_msize > 1)
3028                         ws->l_state.vertical_msize--;
3029                 break;
3030         case SWM_ARG_ID_MASTERGROW:
3031                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3032                         ws->l_state.vertical_msize++;
3033                 break;
3034         case SWM_ARG_ID_MASTERADD:
3035                 ws->l_state.vertical_mwin++;
3036                 break;
3037         case SWM_ARG_ID_MASTERDEL:
3038                 if (ws->l_state.vertical_mwin > 0)
3039                         ws->l_state.vertical_mwin--;
3040                 break;
3041         case SWM_ARG_ID_STACKINC:
3042                 ws->l_state.vertical_stacks++;
3043                 break;
3044         case SWM_ARG_ID_STACKDEC:
3045                 if (ws->l_state.vertical_stacks > 1)
3046                         ws->l_state.vertical_stacks--;
3047                 break;
3048         default:
3049                 return;
3050         }
3051 }
3052
3053 void
3054 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3055 {
3056         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3057
3058         stack_master(ws, g, 0, 0);
3059 }
3060
3061 void
3062 horizontal_config(struct workspace *ws, int id)
3063 {
3064         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3065
3066         switch (id) {
3067         case SWM_ARG_ID_STACKRESET:
3068         case SWM_ARG_ID_STACKINIT:
3069                 ws->l_state.horizontal_mwin = 1;
3070                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3071                 ws->l_state.horizontal_stacks = 1;
3072                 break;
3073         case SWM_ARG_ID_MASTERSHRINK:
3074                 if (ws->l_state.horizontal_msize > 1)
3075                         ws->l_state.horizontal_msize--;
3076                 break;
3077         case SWM_ARG_ID_MASTERGROW:
3078                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3079                         ws->l_state.horizontal_msize++;
3080                 break;
3081         case SWM_ARG_ID_MASTERADD:
3082                 ws->l_state.horizontal_mwin++;
3083                 break;
3084         case SWM_ARG_ID_MASTERDEL:
3085                 if (ws->l_state.horizontal_mwin > 0)
3086                         ws->l_state.horizontal_mwin--;
3087                 break;
3088         case SWM_ARG_ID_STACKINC:
3089                 ws->l_state.horizontal_stacks++;
3090                 break;
3091         case SWM_ARG_ID_STACKDEC:
3092                 if (ws->l_state.horizontal_stacks > 1)
3093                         ws->l_state.horizontal_stacks--;
3094                 break;
3095         default:
3096                 return;
3097         }
3098 }
3099
3100 void
3101 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3102 {
3103         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3104
3105         stack_master(ws, g, 1, 0);
3106 }
3107
3108 /* fullscreen view */
3109 void
3110 max_stack(struct workspace *ws, struct swm_geometry *g)
3111 {
3112         XWindowChanges          wc;
3113         struct swm_geometry     gg = *g;
3114         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3115         unsigned int            mask;
3116         int                     winno;
3117
3118         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3119
3120         if (ws == NULL)
3121                 return;
3122
3123         winno = count_win(ws, 0);
3124         if (winno == 0 && count_win(ws, 1) == 0)
3125                 return;
3126
3127         TAILQ_FOREACH(win, &ws->winlist, entry) {
3128                 if (win->transient) {
3129                         wintrans = win;
3130                         parent = find_window(win->transient);
3131                         continue;
3132                 }
3133
3134                 if (win->floating && win->floatmaxed == 0 ) {
3135                         /*
3136                          * retain geometry for retrieval on exit from
3137                          * max_stack mode
3138                          */
3139                         store_float_geom(win, ws->r);
3140                         win->floatmaxed = 1;
3141                 }
3142
3143                 /* only reconfigure if necessary */
3144                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3145                     HEIGHT(win) != gg.h) {
3146                         bzero(&wc, sizeof wc);
3147                         X(win) = wc.x = gg.x;
3148                         Y(win) = wc.y = gg.y;
3149                         if (bar_enabled){
3150                                 wc.border_width = border_width;
3151                                 WIDTH(win) = wc.width = gg.w;
3152                                 HEIGHT(win) = wc.height = gg.h;
3153                         } else {
3154                                 wc.border_width = 0;
3155                                 WIDTH(win) = wc.width = gg.w + 2 * border_width;
3156                                 HEIGHT(win) = wc.height = gg.h +
3157                                     2 * border_width;
3158                         }
3159                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3160                         XConfigureWindow(display, win->id, mask, &wc);
3161                 }
3162                 /* unmap only if we don't have multi screen */
3163                 if (win != ws->focus)
3164                         if (!(ScreenCount(display) > 1 || outputs > 1))
3165                                 unmap_window(win);
3166         }
3167
3168         /* put the last transient on top */
3169         if (wintrans) {
3170                 if (parent)
3171                         XMapRaised(display, parent->id);
3172                 stack_floater(wintrans, ws->r);
3173                 focus_magic(wintrans);
3174         }
3175 }
3176
3177 void
3178 send_to_ws(struct swm_region *r, union arg *args)
3179 {
3180         int                     wsid = args->id;
3181         struct ws_win           *win = NULL, *parent;
3182         struct workspace        *ws, *nws;
3183         Atom                    ws_idx_atom = 0;
3184         unsigned char           ws_idx_str[SWM_PROPLEN];
3185         union arg               a;
3186
3187         if (r && r->ws && r->ws->focus)
3188                 win = r->ws->focus;
3189         else
3190                 return;
3191         if (win == NULL)
3192                 return;
3193         if (win->ws->idx == wsid)
3194                 return;
3195
3196         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3197
3198         ws = win->ws;
3199         nws = &win->s->ws[wsid];
3200
3201         a.id = SWM_ARG_ID_FOCUSPREV;
3202         focus(r, &a);
3203         if (win->transient) {
3204                 parent = find_window(win->transient);
3205                 if (parent) {
3206                         unmap_window(parent);
3207                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3208                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3209                         parent->ws = nws;
3210                 }
3211         }
3212         unmap_window(win);
3213         TAILQ_REMOVE(&ws->winlist, win, entry);
3214         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3215         if (TAILQ_EMPTY(&ws->winlist))
3216                 r->ws->focus = NULL;
3217         win->ws = nws;
3218
3219         /* Try to update the window's workspace property */
3220         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3221         if (ws_idx_atom &&
3222             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3223                 SWM_PROPLEN) {
3224                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3225                     ws_idx_str);
3226                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3227                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3228         }
3229
3230         stack();
3231 }
3232
3233 void
3234 pressbutton(struct swm_region *r, union arg *args)
3235 {
3236         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3237         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3238 }
3239
3240 void
3241 raise_toggle(struct swm_region *r, union arg *args)
3242 {
3243         if (r && r->ws == NULL)
3244                 return;
3245
3246         r->ws->always_raise = !r->ws->always_raise;
3247
3248         /* bring floaters back to top */
3249         if (r->ws->always_raise == 0)
3250                 stack();
3251 }
3252
3253 void
3254 iconify(struct swm_region *r, union arg *args)
3255 {
3256         union arg a;
3257
3258         if (r->ws->focus == NULL)
3259                 return;
3260         unmap_window(r->ws->focus);
3261         update_iconic(r->ws->focus, 1);
3262         stack();
3263         if (focus_mode == SWM_FOCUS_DEFAULT)
3264                 drain_enter_notify();
3265         r->ws->focus = NULL;
3266         a.id = SWM_ARG_ID_FOCUSCUR;
3267         focus(r, &a);
3268 }
3269
3270 unsigned char *
3271 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3272     unsigned long *slen)
3273 {
3274         int                     status, retfmt;
3275         unsigned long           nitems, nbytes, nextra;
3276         unsigned char           *prop = NULL;
3277         Atom                    rettype;
3278
3279         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3280             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3281         if (status != Success)
3282                 return (NULL);
3283         XFree(prop);
3284
3285         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3286             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3287         if (status != Success) {
3288                 XFree(prop);
3289                 return (NULL);
3290         }
3291         if (rettype != stype) {
3292                 XFree(prop);
3293                 return (NULL);
3294         }
3295         *slen = nitems;
3296         return (prop);
3297 }
3298
3299 void
3300 uniconify(struct swm_region *r, union arg *args)
3301 {
3302         struct ws_win           *win;
3303         FILE                    *lfile;
3304         unsigned char           *name;
3305         int                     count = 0;
3306         unsigned long           len;
3307
3308         DNPRINTF(SWM_D_MISC, "uniconify\n");
3309
3310         if (r && r->ws == NULL)
3311                 return;
3312
3313         /* make sure we have anything to uniconify */
3314         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3315                 if (win->ws == NULL)
3316                         continue; /* should never happen */
3317                 if (win->iconic == 0)
3318                         continue;
3319                 count++;
3320         }
3321         if (count == 0)
3322                 return;
3323
3324         search_r = r;
3325         search_resp_action = SWM_SEARCH_UNICONIFY;
3326
3327         spawn_select(r, args, "search", &searchpid);
3328
3329         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3330                 return;
3331
3332         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3333                 if (win->ws == NULL)
3334                         continue; /* should never happen */
3335                 if (win->iconic == 0)
3336                         continue;
3337
3338                 name = get_win_name(display, win->id, a_netwmname,
3339                     a_utf8_string, &len);
3340                 if (name == NULL)
3341                         continue;
3342                 fprintf(lfile, "%s.%lu\n", name, win->id);
3343                 XFree(name);
3344         }
3345
3346         fclose(lfile);
3347 }
3348
3349 void
3350 name_workspace(struct swm_region *r, union arg *args)
3351 {
3352         FILE                    *lfile;
3353
3354         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3355
3356         if (r == NULL)
3357                 return;
3358
3359         search_r = r;
3360         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3361
3362         spawn_select(r, args, "name_workspace", &searchpid);
3363
3364         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3365                 return;
3366
3367         fprintf(lfile, "%s", "");
3368         fclose(lfile);
3369 }
3370
3371 void
3372 search_workspace(struct swm_region *r, union arg *args)
3373 {
3374         int                     i;
3375         struct workspace        *ws;
3376         FILE                    *lfile;
3377
3378         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3379
3380         if (r == NULL)
3381                 return;
3382
3383         search_r = r;
3384         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3385
3386         spawn_select(r, args, "search", &searchpid);
3387
3388         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3389                 return;
3390
3391         for (i = 0; i < SWM_WS_MAX; i++) {
3392                 ws = &r->s->ws[i];
3393                 if (ws == NULL)
3394                         continue;
3395                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3396                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3397         }
3398
3399         fclose(lfile);
3400 }
3401
3402 void
3403 search_win_cleanup(void)
3404 {
3405         struct search_window    *sw = NULL;
3406
3407         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3408                 XDestroyWindow(display, sw->indicator);
3409                 XFreeGC(display, sw->gc);
3410                 TAILQ_REMOVE(&search_wl, sw, entry);
3411                 free(sw);
3412         }
3413 }
3414
3415 void
3416 search_win(struct swm_region *r, union arg *args)
3417 {
3418         struct ws_win           *win = NULL;
3419         struct search_window    *sw = NULL;
3420         Window                  w;
3421         XGCValues               gcv;
3422         int                     i;
3423         char                    s[8];
3424         FILE                    *lfile;
3425         size_t                  len;
3426         XRectangle              ibox, lbox;
3427
3428         DNPRINTF(SWM_D_MISC, "search_win\n");
3429
3430         search_r = r;
3431         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3432
3433         spawn_select(r, args, "search", &searchpid);
3434
3435         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3436                 return;
3437
3438         TAILQ_INIT(&search_wl);
3439
3440         i = 1;
3441         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3442                 if (win->iconic == 1)
3443                         continue;
3444
3445                 sw = calloc(1, sizeof(struct search_window));
3446                 if (sw == NULL) {
3447                         fprintf(stderr, "search_win: calloc: %s",
3448                             strerror(errno));
3449                         fclose(lfile);
3450                         search_win_cleanup();
3451                         return;
3452                 }
3453                 sw->idx = i;
3454                 sw->win = win;
3455
3456                 snprintf(s, sizeof s, "%d", i);
3457                 len = strlen(s);
3458
3459                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3460
3461                 w = XCreateSimpleWindow(display,
3462                     win->id, 0, 0,lbox.width + 4,
3463                     bar_fs_extents->max_logical_extent.height, 1,
3464                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3465                     r->s->c[SWM_S_COLOR_FOCUS].color);
3466
3467                 sw->indicator = w;
3468                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3469
3470                 sw->gc = XCreateGC(display, w, 0, &gcv);
3471                 XMapRaised(display, w);
3472                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3473
3474                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3475                     (bar_fs_extents->max_logical_extent.height -
3476                     lbox.height) / 2 - lbox.y, s, len);
3477
3478                 fprintf(lfile, "%d\n", i);
3479                 i++;
3480         }
3481
3482         fclose(lfile);
3483 }
3484
3485 void
3486 search_resp_uniconify(char *resp, unsigned long len)
3487 {
3488         unsigned char           *name;
3489         struct ws_win           *win;
3490         char                    *s;
3491
3492         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3493
3494         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3495                 if (win->iconic == 0)
3496                         continue;
3497                 name = get_win_name(display, win->id, a_netwmname,
3498                     a_utf8_string, &len);
3499                 if (name == NULL)
3500                         continue;
3501                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3502                         XFree(name);
3503                         continue;
3504                 }
3505                 XFree(name);
3506                 if (strncmp(s, resp, len) == 0) {
3507                         /* XXX this should be a callback to generalize */
3508                         update_iconic(win, 0);
3509                         free(s);
3510                         break;
3511                 }
3512                 free(s);
3513         }
3514 }
3515
3516 void
3517 search_resp_name_workspace(char *resp, unsigned long len)
3518 {
3519         struct workspace        *ws;
3520
3521         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3522
3523         if (search_r->ws == NULL)
3524                 return;
3525         ws = search_r->ws;
3526
3527         if (ws->name) {
3528                 free(search_r->ws->name);
3529                 search_r->ws->name = NULL;
3530         }
3531
3532         if (len > 1) {
3533                 ws->name = strdup(resp);
3534                 if (ws->name == NULL) {
3535                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3536                             "strdup: %s", strerror(errno));
3537                         return;
3538                 }
3539         }
3540 }
3541
3542 void
3543 search_resp_search_workspace(char *resp, unsigned long len)
3544 {
3545         char                    *p, *q;
3546         int                     ws_idx;
3547         const char              *errstr;
3548         union arg               a;
3549
3550         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3551
3552         q = strdup(resp);
3553         if (!q) {
3554                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3555                     strerror(errno));
3556                 return;
3557         }
3558         p = strchr(q, ':');
3559         if (p != NULL)
3560                 *p = '\0';
3561         ws_idx = strtonum(q, 1, SWM_WS_MAX, &errstr);
3562         if (errstr) {
3563                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3564                     errstr, q);
3565                 free(q);
3566                 return;
3567         }
3568         free(q);
3569         a.id = ws_idx - 1;
3570         switchws(search_r, &a);
3571 }
3572
3573 void
3574 search_resp_search_window(char *resp, unsigned long len)
3575 {
3576         char                    *s;
3577         int                     idx;
3578         const char              *errstr;
3579         struct search_window    *sw;
3580
3581         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3582
3583         s = strdup(resp);
3584         if (!s) {
3585                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3586                     strerror(errno));
3587                 return;
3588         }
3589
3590         idx = strtonum(s, 1, INT_MAX, &errstr);
3591         if (errstr) {
3592                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3593                     errstr, s);
3594                 free(s);
3595                 return;
3596         }
3597         free(s);
3598
3599         TAILQ_FOREACH(sw, &search_wl, entry)
3600                 if (idx == sw->idx) {
3601                         focus_win(sw->win);
3602                         break;
3603                 }
3604 }
3605
3606 #define MAX_RESP_LEN    1024
3607
3608 void
3609 search_do_resp(void)
3610 {
3611         ssize_t                 rbytes;
3612         char                    *resp;
3613         unsigned long           len;
3614
3615         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3616
3617         search_resp = 0;
3618         searchpid = 0;
3619
3620         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3621                 fprintf(stderr, "search: calloc\n");
3622                 goto done;
3623         }
3624
3625         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3626         if (rbytes <= 0) {
3627                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3628                 goto done;
3629         }
3630         resp[rbytes] = '\0';
3631
3632         /* XXX:
3633          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3634          * newline, so work around that by sanitizing the resp now.
3635          */
3636         resp[strcspn(resp, "\n")] = '\0';
3637         len = strlen(resp);
3638
3639         switch (search_resp_action) {
3640         case SWM_SEARCH_UNICONIFY:
3641                 search_resp_uniconify(resp, len);
3642                 break;
3643         case SWM_SEARCH_NAME_WORKSPACE:
3644                 search_resp_name_workspace(resp, len);
3645                 break;
3646         case SWM_SEARCH_SEARCH_WORKSPACE:
3647                 search_resp_search_workspace(resp, len);
3648                 break;
3649         case SWM_SEARCH_SEARCH_WINDOW:
3650                 search_resp_search_window(resp, len);
3651                 break;
3652         }
3653
3654 done:
3655         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
3656                 search_win_cleanup();
3657
3658         search_resp_action = SWM_SEARCH_NONE;
3659         close(select_resp_pipe[0]);
3660         free(resp);
3661 }
3662
3663 void
3664 wkill(struct swm_region *r, union arg *args)
3665 {
3666         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
3667
3668         if (r->ws->focus == NULL)
3669                 return;
3670
3671         if (args->id == SWM_ARG_ID_KILLWINDOW)
3672                 XKillClient(display, r->ws->focus->id);
3673         else
3674                 if (r->ws->focus->can_delete)
3675                         client_msg(r->ws->focus, adelete);
3676 }
3677
3678
3679 int
3680 floating_toggle_win(struct ws_win *win)
3681 {
3682         struct swm_region       *r;
3683
3684         if (win == NULL)
3685                 return 0;
3686
3687         if (!win->ws->r)
3688                 return 0;
3689
3690         r = win->ws->r;
3691
3692         /* reject floating toggles in max stack mode */
3693         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3694                 return 0;
3695
3696         if (win->floating) {
3697                 if (!win->floatmaxed) {
3698                         /* retain position for refloat */
3699                         store_float_geom(win, r);
3700                 }
3701                 win->floating = 0;
3702         } else {
3703                 if (win->g_floatvalid) {
3704                         /* refloat at last floating relative position */
3705                         X(win) = win->g_float.x - win->rg_float.x + X(r);
3706                         Y(win) = win->g_float.y - win->rg_float.y + Y(r);
3707                         WIDTH(win) = win->g_float.w;
3708                         HEIGHT(win) = win->g_float.h;
3709                 }
3710                 win->floating = 1;
3711         }
3712
3713         ewmh_update_actions(win);
3714
3715         return 1;
3716 }
3717
3718 void
3719 floating_toggle(struct swm_region *r, union arg *args)
3720 {
3721         struct ws_win           *win = r->ws->focus;
3722         union arg               a;
3723
3724         if (win == NULL)
3725                 return;
3726
3727         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3728             _NET_WM_STATE_TOGGLE);
3729
3730         stack();
3731         if (focus_mode == SWM_FOCUS_DEFAULT)
3732                 drain_enter_notify();
3733
3734         if (win == win->ws->focus) {
3735                 a.id = SWM_ARG_ID_FOCUSCUR;
3736                 focus(win->ws->r, &a);
3737         }
3738 }
3739
3740 void
3741 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
3742 {
3743         if (X(win) + WIDTH(win) > X(r) + WIDTH(r) - border_width) {
3744                 if (resizable)
3745                         WIDTH(win) = X(r) + WIDTH(r) - X(win) - border_width;
3746                 else
3747                         X(win) = X(r) + WIDTH(r) - WIDTH(win) - border_width;
3748         }
3749
3750         if (X(win) < X(r) - border_width) {
3751                 if (resizable)
3752                         WIDTH(win) -= X(r) - X(win) - border_width;
3753
3754                 X(win) = X(r) - border_width;
3755         }
3756
3757         if (Y(win) + HEIGHT(win) > Y(r) + HEIGHT(r) - border_width) {
3758                 if (resizable)
3759                         HEIGHT(win) = Y(r) + HEIGHT(r) - Y(win) - border_width;
3760                 else
3761                         Y(win) = Y(r) + HEIGHT(r) - HEIGHT(win) - border_width;
3762         }
3763
3764         if (Y(win) < Y(r) - border_width) {
3765                 if (resizable)
3766                         HEIGHT(win) -= Y(r) - Y(win) - border_width;
3767
3768                 Y(win) = Y(r) - border_width;
3769         }
3770
3771         if (WIDTH(win) < 1)
3772                 WIDTH(win) = 1;
3773         if (HEIGHT(win) < 1)
3774                 HEIGHT(win) = 1;
3775 }
3776
3777 void
3778 update_window(struct ws_win *win)
3779 {
3780         unsigned int            mask;
3781         XWindowChanges          wc;
3782
3783         bzero(&wc, sizeof wc);
3784         mask = CWBorderWidth | CWWidth | CWHeight | CWX | CWY;
3785         wc.border_width = border_width;
3786         wc.x = X(win);
3787         wc.y = Y(win);
3788         wc.width = WIDTH(win);
3789         wc.height = HEIGHT(win);
3790
3791         DNPRINTF(SWM_D_MISC, "update_window: window: 0x%lx, (x,y) w x h: "
3792             "(%d,%d) %d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
3793
3794         XConfigureWindow(display, win->id, mask, &wc);
3795 }
3796
3797 #define SWM_RESIZE_STEPS        (50)
3798
3799 void
3800 resize(struct ws_win *win, union arg *args)
3801 {
3802         XEvent                  ev;
3803         Time                    time = 0;
3804         struct swm_region       *r = NULL;
3805         int                     resize_step = 0;
3806         Window                  rr, cr;
3807         int                     x, y, wx, wy;
3808         unsigned int            mask;
3809         struct swm_geometry     g;
3810         int                     top = 0, left = 0;
3811         int                     dx, dy;
3812         Cursor                  cursor;
3813         unsigned int            shape; /* cursor style */
3814
3815         if (win == NULL)
3816                 return;
3817         r = win->ws->r;
3818
3819         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
3820             "transient: 0x%lx\n", win->id, YESNO(win->floating),
3821             win->transient);
3822
3823         if (!(win->transient != 0 || win->floating != 0))
3824                 return;
3825
3826         /* reject resizes in max mode for floaters (transient ok) */
3827         if (win->floatmaxed)
3828                 return;
3829
3830         win->manual = 1;
3831         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3832             _NET_WM_STATE_ADD);
3833
3834         stack();
3835
3836         switch (args->id) {
3837         case SWM_ARG_ID_WIDTHSHRINK:
3838                 WIDTH(win) -= SWM_RESIZE_STEPS;
3839                 resize_step = 1;
3840                 break;
3841         case SWM_ARG_ID_WIDTHGROW:
3842                 WIDTH(win) += SWM_RESIZE_STEPS;
3843                 resize_step = 1;
3844                 break;
3845         case SWM_ARG_ID_HEIGHTSHRINK:
3846                 HEIGHT(win) -= SWM_RESIZE_STEPS;
3847                 resize_step = 1;
3848                 break;
3849         case SWM_ARG_ID_HEIGHTGROW:
3850                 HEIGHT(win) += SWM_RESIZE_STEPS;
3851                 resize_step = 1;
3852                 break;
3853         default:
3854                 break;
3855         }
3856         if (resize_step) {
3857                 constrain_window(win, r, 1);
3858                 update_window(win);
3859                 store_float_geom(win,r);
3860                 return;
3861         }
3862
3863         if (focus_mode == SWM_FOCUS_DEFAULT)
3864                 drain_enter_notify();
3865
3866         /* get cursor offset from window root */
3867         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
3868             return;
3869
3870         g = win->g;
3871
3872         if (wx < WIDTH(win) / 2)
3873                 left = 1;
3874
3875         if (wy < HEIGHT(win) / 2)
3876                 top = 1;
3877
3878         if (args->id == SWM_ARG_ID_CENTER)
3879                 shape = XC_sizing;
3880         else if (top)
3881                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
3882         else
3883                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
3884
3885         cursor = XCreateFontCursor(display, shape);
3886
3887         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3888             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
3889                 XFreeCursor(display, cursor);
3890                 return;
3891         }
3892
3893         do {
3894                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3895                     SubstructureRedirectMask, &ev);
3896                 switch (ev.type) {
3897                 case ConfigureRequest:
3898                 case Expose:
3899                 case MapRequest:
3900                         handler[ev.type](&ev);
3901                         break;
3902                 case MotionNotify:
3903                         /* cursor offset/delta from start of the operation */
3904                         dx = ev.xmotion.x_root - x;
3905                         dy = ev.xmotion.y_root - y;
3906
3907                         /* vertical */
3908                         if (top)
3909                                 dy = -dy;
3910
3911                         if (args->id == SWM_ARG_ID_CENTER) {
3912                                 if (g.h / 2 + dy < 1)
3913                                         dy = 1 - g.h / 2;
3914
3915                                 Y(win) = g.y - dy;
3916                                 HEIGHT(win) = g.h + 2 * dy;
3917                         } else {
3918                                 if (g.h + dy < 1)
3919                                         dy = 1 - g.h;
3920
3921                                 if (top)
3922                                         Y(win) = g.y - dy;
3923
3924                                 HEIGHT(win) = g.h + dy;
3925                         }
3926
3927                         /* horizontal */
3928                         if (left)
3929                                 dx = -dx;
3930
3931                         if (args->id == SWM_ARG_ID_CENTER) {
3932                                 if (g.w / 2 + dx < 1)
3933                                         dx = 1 - g.w / 2;
3934
3935                                 X(win) = g.x - dx;
3936                                 WIDTH(win) = g.w + 2 * dx;
3937                         } else {
3938                                 if (g.w + dx < 1)
3939                                         dx = 1 - g.w;
3940
3941                                 if (left)
3942                                         X(win) = g.x - dx;
3943
3944                                 WIDTH(win) = g.w + dx;
3945                         }
3946
3947                         constrain_window(win, r, 1);
3948
3949                         /* not free, don't sync more than 120 times / second */
3950                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3951                                 time = ev.xmotion.time;
3952                                 XSync(display, False);
3953                                 update_window(win);
3954                         }
3955                         break;
3956                 }
3957         } while (ev.type != ButtonRelease);
3958         if (time) {
3959                 XSync(display, False);
3960                 update_window(win);
3961         }
3962         store_float_geom(win,r);
3963
3964         XUngrabPointer(display, CurrentTime);
3965         XFreeCursor(display, cursor);
3966
3967         /* drain events */
3968         drain_enter_notify();
3969 }
3970
3971 void
3972 resize_step(struct swm_region *r, union arg *args)
3973 {
3974         struct ws_win           *win = NULL;
3975
3976         if (r && r->ws && r->ws->focus)
3977                 win = r->ws->focus;
3978         else
3979                 return;
3980
3981         resize(win, args);
3982 }
3983
3984 #define SWM_MOVE_STEPS  (50)
3985
3986 void
3987 move(struct ws_win *win, union arg *args)
3988 {
3989         XEvent                  ev;
3990         Time                    time = 0;
3991         int                     move_step = 0;
3992         struct swm_region       *r = NULL;
3993
3994         Window                  rr, cr;
3995         int                     x, y, wx, wy;
3996         unsigned int            mask;
3997
3998         if (win == NULL)
3999                 return;
4000         r = win->ws->r;
4001
4002         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4003             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4004
4005         /* in max_stack mode should only move transients */
4006         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4007                 return;
4008
4009         win->manual = 1;
4010         if (win->floating == 0 && !win->transient) {
4011                 store_float_geom(win,r);
4012                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4013                     _NET_WM_STATE_ADD);
4014         }
4015         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4016             _NET_WM_STATE_ADD);
4017
4018         stack();
4019
4020         move_step = 0;
4021         switch (args->id) {
4022         case SWM_ARG_ID_MOVELEFT:
4023                 X(win) -= (SWM_MOVE_STEPS - border_width);
4024                 move_step = 1;
4025                 break;
4026         case SWM_ARG_ID_MOVERIGHT:
4027                 X(win) += (SWM_MOVE_STEPS - border_width);
4028                 move_step = 1;
4029                 break;
4030         case SWM_ARG_ID_MOVEUP:
4031                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4032                 move_step = 1;
4033                 break;
4034         case SWM_ARG_ID_MOVEDOWN:
4035                 Y(win) += (SWM_MOVE_STEPS - border_width);
4036                 move_step = 1;
4037                 break;
4038         default:
4039                 break;
4040         }
4041         if (move_step) {
4042                 constrain_window(win, r, 0);
4043                 update_window(win);
4044                 store_float_geom(win, r);
4045                 return;
4046         }
4047
4048         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4049             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4050             CurrentTime) != GrabSuccess)
4051                 return;
4052
4053         /* get cursor offset from window root */
4054         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4055             return;
4056
4057         do {
4058                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4059                     SubstructureRedirectMask, &ev);
4060                 switch (ev.type) {
4061                 case ConfigureRequest:
4062                 case Expose:
4063                 case MapRequest:
4064                         handler[ev.type](&ev);
4065                         break;
4066                 case MotionNotify:
4067                         X(win) = ev.xmotion.x_root - wx - border_width;
4068                         Y(win) = ev.xmotion.y_root - wy - border_width;
4069
4070                         constrain_window(win, r, 0);
4071
4072                         /* not free, don't sync more than 120 times / second */
4073                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4074                                 time = ev.xmotion.time;
4075                                 XSync(display, False);
4076                                 update_window(win);
4077                         }
4078                         break;
4079                 }
4080         } while (ev.type != ButtonRelease);
4081         if (time) {
4082                 XSync(display, False);
4083                 update_window(win);
4084         }
4085         store_float_geom(win,r);
4086         XUngrabPointer(display, CurrentTime);
4087
4088         /* drain events */
4089         drain_enter_notify();
4090 }
4091
4092 void
4093 move_step(struct swm_region *r, union arg *args)
4094 {
4095         struct ws_win           *win = NULL;
4096
4097         if (r && r->ws && r->ws->focus)
4098                 win = r->ws->focus;
4099         else
4100                 return;
4101
4102         if (!(win->transient != 0 || win->floating != 0))
4103                 return;
4104
4105         move(win, args);
4106 }
4107
4108
4109 /* user/key callable function IDs */
4110 enum keyfuncid {
4111         kf_cycle_layout,
4112         kf_stack_reset,
4113         kf_master_shrink,
4114         kf_master_grow,
4115         kf_master_add,
4116         kf_master_del,
4117         kf_stack_inc,
4118         kf_stack_dec,
4119         kf_swap_main,
4120         kf_focus_next,
4121         kf_focus_prev,
4122         kf_swap_next,
4123         kf_swap_prev,
4124         kf_spawn_term,
4125         kf_spawn_menu,
4126         kf_quit,
4127         kf_restart,
4128         kf_focus_main,
4129         kf_ws_1,
4130         kf_ws_2,
4131         kf_ws_3,
4132         kf_ws_4,
4133         kf_ws_5,
4134         kf_ws_6,
4135         kf_ws_7,
4136         kf_ws_8,
4137         kf_ws_9,
4138         kf_ws_10,
4139         kf_ws_next,
4140         kf_ws_prev,
4141         kf_ws_next_all,
4142         kf_ws_prev_all,
4143         kf_ws_prior,
4144         kf_screen_next,
4145         kf_screen_prev,
4146         kf_mvws_1,
4147         kf_mvws_2,
4148         kf_mvws_3,
4149         kf_mvws_4,
4150         kf_mvws_5,
4151         kf_mvws_6,
4152         kf_mvws_7,
4153         kf_mvws_8,
4154         kf_mvws_9,
4155         kf_mvws_10,
4156         kf_bar_toggle,
4157         kf_wind_kill,
4158         kf_wind_del,
4159         kf_screenshot_all,
4160         kf_screenshot_wind,
4161         kf_float_toggle,
4162         kf_version,
4163         kf_spawn_lock,
4164         kf_spawn_initscr,
4165         kf_spawn_custom,
4166         kf_iconify,
4167         kf_uniconify,
4168         kf_raise_toggle,
4169         kf_button2,
4170         kf_width_shrink,
4171         kf_width_grow,
4172         kf_height_shrink,
4173         kf_height_grow,
4174         kf_move_left,
4175         kf_move_right,
4176         kf_move_up,
4177         kf_move_down,
4178         kf_name_workspace,
4179         kf_search_workspace,
4180         kf_search_win,
4181         kf_dumpwins, /* MUST BE LAST */
4182         kf_invalid
4183 };
4184
4185 /* key definitions */
4186 void
4187 dummykeyfunc(struct swm_region *r, union arg *args)
4188 {
4189 };
4190
4191 void
4192 legacyfunc(struct swm_region *r, union arg *args)
4193 {
4194 };
4195
4196 struct keyfunc {
4197         char                    name[SWM_FUNCNAME_LEN];
4198         void                    (*func)(struct swm_region *r, union arg *);
4199         union arg               args;
4200 } keyfuncs[kf_invalid + 1] = {
4201         /* name                 function        argument */
4202         { "cycle_layout",       cycle_layout,   {0} },
4203         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4204         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4205         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4206         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4207         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4208         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4209         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4210         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4211         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4212         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4213         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4214         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4215         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
4216         { "spawn_menu",         legacyfunc,     {0} },
4217         { "quit",               quit,           {0} },
4218         { "restart",            restart,        {0} },
4219         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4220         { "ws_1",               switchws,       {.id = 0} },
4221         { "ws_2",               switchws,       {.id = 1} },
4222         { "ws_3",               switchws,       {.id = 2} },
4223         { "ws_4",               switchws,       {.id = 3} },
4224         { "ws_5",               switchws,       {.id = 4} },
4225         { "ws_6",               switchws,       {.id = 5} },
4226         { "ws_7",               switchws,       {.id = 6} },
4227         { "ws_8",               switchws,       {.id = 7} },
4228         { "ws_9",               switchws,       {.id = 8} },
4229         { "ws_10",              switchws,       {.id = 9} },
4230         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4231         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4232         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4233         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4234         { "ws_prior",           priorws,        {0} },
4235         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4236         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4237         { "mvws_1",             send_to_ws,     {.id = 0} },
4238         { "mvws_2",             send_to_ws,     {.id = 1} },
4239         { "mvws_3",             send_to_ws,     {.id = 2} },
4240         { "mvws_4",             send_to_ws,     {.id = 3} },
4241         { "mvws_5",             send_to_ws,     {.id = 4} },
4242         { "mvws_6",             send_to_ws,     {.id = 5} },
4243         { "mvws_7",             send_to_ws,     {.id = 6} },
4244         { "mvws_8",             send_to_ws,     {.id = 7} },
4245         { "mvws_9",             send_to_ws,     {.id = 8} },
4246         { "mvws_10",            send_to_ws,     {.id = 9} },
4247         { "bar_toggle",         bar_toggle,     {0} },
4248         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4249         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4250         { "screenshot_all",     legacyfunc,     {0} },
4251         { "screenshot_wind",    legacyfunc,     {0} },
4252         { "float_toggle",       floating_toggle,{0} },
4253         { "version",            version,        {0} },
4254         { "spawn_lock",         legacyfunc,     {0} },
4255         { "spawn_initscr",      legacyfunc,     {0} },
4256         { "spawn_custom",       dummykeyfunc,   {0} },
4257         { "iconify",            iconify,        {0} },
4258         { "uniconify",          uniconify,      {0} },
4259         { "raise_toggle",       raise_toggle,   {0} },
4260         { "button2",            pressbutton,    {2} },
4261         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4262         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4263         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4264         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4265         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4266         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4267         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4268         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4269         { "name_workspace",     name_workspace, {0} },
4270         { "search_workspace",   search_workspace,       {0} },
4271         { "search_win",         search_win,     {0} },
4272         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4273         { "invalid key func",   NULL,           {0} },
4274 };
4275 struct key {
4276         TAILQ_ENTRY(key)        entry;
4277         unsigned int            mod;
4278         KeySym                  keysym;
4279         enum keyfuncid          funcid;
4280         char                    *spawn_name;
4281 };
4282 TAILQ_HEAD(key_list, key);
4283 struct key_list                 keys = TAILQ_HEAD_INITIALIZER(keys);
4284
4285 /* mouse */
4286 enum { client_click, root_click };
4287 struct button {
4288         unsigned int            action;
4289         unsigned int            mask;
4290         unsigned int            button;
4291         void                    (*func)(struct ws_win *, union arg *);
4292         union arg               args;
4293 } buttons[] = {
4294           /* action     key             mouse button    func    args */
4295         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4296         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4297         { client_click, MODKEY,         Button1,        move,   {0} },
4298 };
4299
4300 void
4301 update_modkey(unsigned int mod)
4302 {
4303         int                     i;
4304         struct key              *kp;
4305
4306         mod_key = mod;
4307         TAILQ_FOREACH(kp, &keys, entry)
4308                 if (kp->mod & ShiftMask)
4309                         kp->mod = mod | ShiftMask;
4310                 else
4311                         kp->mod = mod;
4312
4313         for (i = 0; i < LENGTH(buttons); i++)
4314                 if (buttons[i].mask & ShiftMask)
4315                         buttons[i].mask = mod | ShiftMask;
4316                 else
4317                         buttons[i].mask = mod;
4318 }
4319
4320 /* spawn */
4321 struct spawn_prog {
4322         char                    *name;
4323         int                     argc;
4324         char                    **argv;
4325 };
4326
4327 int                             spawns_size = 0, spawns_length = 0;
4328 struct spawn_prog               *spawns = NULL;
4329
4330 int
4331 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4332     char ***ret_args)
4333 {
4334         struct spawn_prog       *prog = NULL;
4335         int                     i;
4336         char                    *ap, **real_args;
4337
4338         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4339
4340         /* find program */
4341         for (i = 0; i < spawns_length; i++) {
4342                 if (!strcasecmp(spawn_name, spawns[i].name))
4343                         prog = &spawns[i];
4344         }
4345         if (prog == NULL) {
4346                 fprintf(stderr, "spawn_custom: program %s not found\n",
4347                     spawn_name);
4348                 return (-1);
4349         }
4350
4351         /* make room for expanded args */
4352         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4353                 err(1, "spawn_custom: calloc real_args");
4354
4355         /* expand spawn_args into real_args */
4356         for (i = 0; i < prog->argc; i++) {
4357                 ap = prog->argv[i];
4358                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4359                 if (!strcasecmp(ap, "$bar_border")) {
4360                         if ((real_args[i] =
4361                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4362                             == NULL)
4363                                 err(1,  "spawn_custom border color");
4364                 } else if (!strcasecmp(ap, "$bar_color")) {
4365                         if ((real_args[i] =
4366                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4367                             == NULL)
4368                                 err(1, "spawn_custom bar color");
4369                 } else if (!strcasecmp(ap, "$bar_font")) {
4370                         if ((real_args[i] = strdup(bar_fonts))
4371                             == NULL)
4372                                 err(1, "spawn_custom bar fonts");
4373                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4374                         if ((real_args[i] =
4375                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4376                             == NULL)
4377                                 err(1, "spawn_custom color font");
4378                 } else if (!strcasecmp(ap, "$color_focus")) {
4379                         if ((real_args[i] =
4380                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4381                             == NULL)
4382                                 err(1, "spawn_custom color focus");
4383                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4384                         if ((real_args[i] =
4385                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4386                             == NULL)
4387                                 err(1, "spawn_custom color unfocus");
4388                 } else {
4389                         /* no match --> copy as is */
4390                         if ((real_args[i] = strdup(ap)) == NULL)
4391                                 err(1, "spawn_custom strdup(ap)");
4392                 }
4393                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4394                     real_args[i]);
4395         }
4396
4397 #ifdef SWM_DEBUG
4398         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4399         for (i = 0; i < prog->argc; i++)
4400                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4401         DNPRINTF(SWM_D_SPAWN, "\n");
4402 #endif
4403         *ret_args = real_args;
4404         return (prog->argc);
4405 }
4406
4407 void
4408 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4409 {
4410         union arg               a;
4411         char                    **real_args;
4412         int                     spawn_argc, i;
4413
4414         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4415                 return;
4416         a.argv = real_args;
4417         if (fork() == 0)
4418                 spawn(r->ws->idx, &a, 1);
4419
4420         for (i = 0; i < spawn_argc; i++)
4421                 free(real_args[i]);
4422         free(real_args);
4423 }
4424
4425 void
4426 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4427 {
4428         union arg               a;
4429         char                    **real_args;
4430         int                     i, spawn_argc;
4431
4432         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4433                 return;
4434         a.argv = real_args;
4435
4436         if (pipe(select_list_pipe) == -1)
4437                 err(1, "pipe error");
4438         if (pipe(select_resp_pipe) == -1)
4439                 err(1, "pipe error");
4440
4441         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4442                 err(1, "could not disable SIGPIPE");
4443         switch (*pid = fork()) {
4444         case -1:
4445                 err(1, "cannot fork");
4446                 break;
4447         case 0: /* child */
4448                 if (dup2(select_list_pipe[0], 0) == -1)
4449                         err(1, "dup2");
4450                 if (dup2(select_resp_pipe[1], 1) == -1)
4451                         err(1, "dup2");
4452                 close(select_list_pipe[1]);
4453                 close(select_resp_pipe[0]);
4454                 spawn(r->ws->idx, &a, 0);
4455                 break;
4456         default: /* parent */
4457                 close(select_list_pipe[0]);
4458                 close(select_resp_pipe[1]);
4459                 break;
4460         }
4461
4462         for (i = 0; i < spawn_argc; i++)
4463                 free(real_args[i]);
4464         free(real_args);
4465 }
4466
4467 void
4468 setspawn(struct spawn_prog *prog)
4469 {
4470         int                     i, j;
4471
4472         if (prog == NULL || prog->name == NULL)
4473                 return;
4474
4475         /* find existing */
4476         for (i = 0; i < spawns_length; i++) {
4477                 if (!strcmp(spawns[i].name, prog->name)) {
4478                         /* found */
4479                         if (prog->argv == NULL) {
4480                                 /* delete */
4481                                 DNPRINTF(SWM_D_SPAWN,
4482                                     "setspawn: delete #%d: %s\n",
4483                                     i, spawns[i].name);
4484                                 free(spawns[i].name);
4485                                 for (j = 0; j < spawns[i].argc; j++)
4486                                         free(spawns[i].argv[j]);
4487                                 free(spawns[i].argv);
4488                                 j = spawns_length - 1;
4489                                 if (i < j)
4490                                         spawns[i] = spawns[j];
4491                                 spawns_length--;
4492                                 free(prog->name);
4493                         } else {
4494                                 /* replace */
4495                                 DNPRINTF(SWM_D_SPAWN,
4496                                     "setspawn: replace #%d: %s\n",
4497                                     i, spawns[i].name);
4498                                 free(spawns[i].name);
4499                                 for (j = 0; j < spawns[i].argc; j++)
4500                                         free(spawns[i].argv[j]);
4501                                 free(spawns[i].argv);
4502                                 spawns[i] = *prog;
4503                         }
4504                         /* found case handled */
4505                         free(prog);
4506                         return;
4507                 }
4508         }
4509
4510         if (prog->argv == NULL) {
4511                 fprintf(stderr,
4512                     "error: setspawn: cannot find program: %s", prog->name);
4513                 free(prog);
4514                 return;
4515         }
4516
4517         /* not found: add */
4518         if (spawns_size == 0 || spawns == NULL) {
4519                 spawns_size = 4;
4520                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
4521                 spawns = malloc((size_t)spawns_size *
4522                     sizeof(struct spawn_prog));
4523                 if (spawns == NULL) {
4524                         fprintf(stderr, "setspawn: malloc failed\n");
4525                         perror(" failed");
4526                         quit(NULL, NULL);
4527                 }
4528         } else if (spawns_length == spawns_size) {
4529                 spawns_size *= 2;
4530                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
4531                 spawns = realloc(spawns, (size_t)spawns_size *
4532                     sizeof(struct spawn_prog));
4533                 if (spawns == NULL) {
4534                         fprintf(stderr, "setspawn: realloc failed\n");
4535                         perror(" failed");
4536                         quit(NULL, NULL);
4537                 }
4538         }
4539
4540         if (spawns_length < spawns_size) {
4541                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
4542                     spawns_length, prog->name);
4543                 i = spawns_length++;
4544                 spawns[i] = *prog;
4545         } else {
4546                 fprintf(stderr, "spawns array problem?\n");
4547                 if (spawns == NULL) {
4548                         fprintf(stderr, "spawns array is NULL!\n");
4549                         quit(NULL, NULL);
4550                 }
4551         }
4552         free(prog);
4553 }
4554
4555 int
4556 setconfspawn(char *selector, char *value, int flags)
4557 {
4558         struct spawn_prog       *prog;
4559         char                    *vp, *cp, *word;
4560
4561         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4562         if ((prog = calloc(1, sizeof *prog)) == NULL)
4563                 err(1, "setconfspawn: calloc prog");
4564         prog->name = strdup(selector);
4565         if (prog->name == NULL)
4566                 err(1, "setconfspawn prog->name");
4567         if ((cp = vp = strdup(value)) == NULL)
4568                 err(1, "setconfspawn: strdup(value) ");
4569         while ((word = strsep(&cp, " \t")) != NULL) {
4570                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
4571                 if (cp)
4572                         cp += (long)strspn(cp, " \t");
4573                 if (strlen(word) > 0) {
4574                         prog->argc++;
4575                         if ((prog->argv = realloc(prog->argv,
4576                             prog->argc * sizeof(char *))) == NULL)
4577                                 err(1, "setconfspawn: realloc");
4578                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
4579                                 err(1, "setconfspawn: strdup");
4580                 }
4581         }
4582         free(vp);
4583
4584         setspawn(prog);
4585
4586         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4587         return (0);
4588 }
4589
4590 void
4591 setup_spawn(void)
4592 {
4593         setconfspawn("term",            "xterm",                0);
4594         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4595         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4596         setconfspawn("lock",            "xlock",                0);
4597         setconfspawn("initscr",         "initscreen.sh",        0);
4598         setconfspawn("menu",            "dmenu_run"
4599                                         " -fn $bar_font"
4600                                         " -nb $bar_color"
4601                                         " -nf $bar_font_color"
4602                                         " -sb $bar_border"
4603                                         " -sf $bar_color",      0);
4604         setconfspawn("search",          "dmenu"
4605                                         " -i"
4606                                         " -fn $bar_font"
4607                                         " -nb $bar_color"
4608                                         " -nf $bar_font_color"
4609                                         " -sb $bar_border"
4610                                         " -sf $bar_color",      0);
4611         setconfspawn("name_workspace",  "dmenu"
4612                                         " -p Workspace"
4613                                         " -fn $bar_font"
4614                                         " -nb $bar_color"
4615                                         " -nf $bar_font_color"
4616                                         " -sb $bar_border"
4617                                         " -sf $bar_color",      0);
4618 }
4619
4620 /* key bindings */
4621 #define SWM_MODNAME_SIZE        32
4622 #define SWM_KEY_WS              "\n+ \t"
4623 int
4624 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4625 {
4626         char                    *cp, *name;
4627         KeySym                  uks;
4628         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4629         if (mod == NULL || ks == NULL) {
4630                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4631                 return (1);
4632         }
4633         if (keystr == NULL || strlen(keystr) == 0) {
4634                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4635                 return (1);
4636         }
4637         cp = keystr;
4638         *ks = NoSymbol;
4639         *mod = 0;
4640         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4641                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4642                 if (cp)
4643                         cp += (long)strspn(cp, SWM_KEY_WS);
4644                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4645                         *mod |= currmod;
4646                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4647                         *mod |= Mod1Mask;
4648                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4649                         *mod += Mod2Mask;
4650                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4651                         *mod |= Mod3Mask;
4652                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4653                         *mod |= Mod4Mask;
4654                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4655                         *mod |= ShiftMask;
4656                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4657                         *mod |= ControlMask;
4658                 else {
4659                         *ks = XStringToKeysym(name);
4660                         XConvertCase(*ks, ks, &uks);
4661                         if (ks == NoSymbol) {
4662                                 DNPRINTF(SWM_D_KEY,
4663                                     "parsekeys: invalid key %s\n",
4664                                     name);
4665                                 return (1);
4666                         }
4667                 }
4668         }
4669         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4670         return (0);
4671 }
4672
4673 char *
4674 strdupsafe(char *str)
4675 {
4676         if (str == NULL)
4677                 return (NULL);
4678         else
4679                 return (strdup(str));
4680 }
4681
4682 void
4683 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
4684 {
4685         struct key              *kp;
4686
4687         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
4688             keyfuncs[kfid].name, spawn_name);
4689
4690         if ((kp = malloc(sizeof *kp)) == NULL)
4691                 err(1, "key_insert: malloc");
4692
4693         kp->mod = mod;
4694         kp->keysym = ks;
4695         kp->funcid = kfid;
4696         kp->spawn_name = strdupsafe(spawn_name);
4697         TAILQ_INSERT_TAIL(&keys, kp, entry);
4698
4699         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
4700 }
4701
4702 void
4703 key_remove(struct key *kp)
4704 {
4705         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
4706
4707         TAILQ_REMOVE(&keys, kp, entry);
4708         free(kp->spawn_name);
4709         free(kp);
4710
4711         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
4712 }
4713
4714 void
4715 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
4716     char *spawn_name)
4717 {
4718         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
4719             spawn_name);
4720
4721         key_remove(kp);
4722         key_insert(mod, ks, kfid, spawn_name);
4723
4724         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
4725 }
4726
4727 void
4728 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4729     char *spawn_name)
4730 {
4731         struct key              *kp;
4732
4733         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4734             keyfuncs[kfid].name, spawn_name);
4735
4736         TAILQ_FOREACH(kp, &keys, entry) {
4737                 if (kp->mod == mod && kp->keysym == ks) {
4738                         if (kfid == kf_invalid)
4739                                 key_remove(kp);
4740                         else
4741                                 key_replace(kp, mod, ks, kfid, spawn_name);
4742                         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4743                         return;
4744                 }
4745         }
4746         if (kfid == kf_invalid) {
4747                 warnx("error: setkeybinding: cannot find mod/key combination");
4748                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4749                 return;
4750         }
4751
4752         key_insert(mod, ks, kfid, spawn_name);
4753         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4754 }
4755
4756 int
4757 setconfbinding(char *selector, char *value, int flags)
4758 {
4759         enum keyfuncid          kfid;
4760         unsigned int            mod;
4761         KeySym                  ks;
4762         int                     i;
4763         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4764         if (selector == NULL) {
4765                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4766                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4767                         kfid = kf_invalid;
4768                         setkeybinding(mod, ks, kfid, NULL);
4769                         return (0);
4770                 } else
4771                         return (1);
4772         }
4773         /* search by key function name */
4774         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4775                 if (strncasecmp(selector, keyfuncs[kfid].name,
4776                     SWM_FUNCNAME_LEN) == 0) {
4777                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4778                             selector);
4779                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4780                                 setkeybinding(mod, ks, kfid, NULL);
4781                                 return (0);
4782                         } else
4783                                 return (1);
4784                 }
4785         }
4786         /* search by custom spawn name */
4787         for (i = 0; i < spawns_length; i++) {
4788                 if (strcasecmp(selector, spawns[i].name) == 0) {
4789                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4790                             selector);
4791                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4792                                 setkeybinding(mod, ks, kf_spawn_custom,
4793                                     spawns[i].name);
4794                                 return (0);
4795                         } else
4796                                 return (1);
4797                 }
4798         }
4799         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4800         return (1);
4801 }
4802
4803 void
4804 setup_keys(void)
4805 {
4806         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4807         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4808         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4809         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4810         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4811         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4812         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4813         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4814         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4815         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4816         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4817         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4818         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4819         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4820         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
4821         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4822         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4823         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4824         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4825         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4826         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4827         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4828         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4829         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4830         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4831         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4832         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4833         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4834         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4835         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4836         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
4837         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
4838         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4839         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4840         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4841         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4842         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4843         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4844         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4845         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4846         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4847         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4848         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4849         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4850         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4851         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4852         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4853         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4854         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4855         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4856         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
4857         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
4858         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4859         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4860         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
4861         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
4862         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4863         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4864         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4865         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4866         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
4867         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
4868         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
4869         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
4870         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
4871         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
4872         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
4873         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
4874         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
4875         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
4876         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
4877 #ifdef SWM_DEBUG
4878         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4879 #endif
4880 }
4881
4882 void
4883 clear_keys(void)
4884 {
4885         struct key              *kp_loop, *kp_next;
4886
4887         kp_loop = TAILQ_FIRST(&keys);
4888         while (kp_loop != NULL) {
4889                 kp_next = TAILQ_NEXT(kp_loop, entry);
4890                 key_remove(kp_loop);
4891                 kp_loop = kp_next;
4892         }
4893 }
4894
4895 int
4896 setkeymapping(char *selector, char *value, int flags)
4897 {
4898         char                    keymapping_file[PATH_MAX];
4899         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
4900         if (value[0] == '~')
4901                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
4902                     pwd->pw_dir, &value[1]);
4903         else
4904                 strlcpy(keymapping_file, value, sizeof keymapping_file);
4905         clear_keys();
4906         /* load new key bindings; if it fails, revert to default bindings */
4907         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
4908                 clear_keys();
4909                 setup_keys();
4910         }
4911         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
4912         return (0);
4913 }
4914
4915 void
4916 updatenumlockmask(void)
4917 {
4918         unsigned int            i, j;
4919         XModifierKeymap         *modmap;
4920
4921         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4922         numlockmask = 0;
4923         modmap = XGetModifierMapping(display);
4924         for (i = 0; i < 8; i++)
4925                 for (j = 0; j < modmap->max_keypermod; j++)
4926                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4927                             == XKeysymToKeycode(display, XK_Num_Lock))
4928                                 numlockmask = (1 << i);
4929
4930         XFreeModifiermap(modmap);
4931 }
4932
4933 void
4934 grabkeys(void)
4935 {
4936         unsigned int            j, k;
4937         KeyCode                 code;
4938         unsigned int            modifiers[] =
4939             { 0, LockMask, numlockmask, numlockmask | LockMask };
4940         struct key              *kp;
4941
4942         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4943         updatenumlockmask();
4944
4945         for (k = 0; k < ScreenCount(display); k++) {
4946                 if (TAILQ_EMPTY(&screens[k].rl))
4947                         continue;
4948                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4949                 TAILQ_FOREACH(kp, &keys, entry) {
4950                         if ((code = XKeysymToKeycode(display, kp->keysym)))
4951                                 for (j = 0; j < LENGTH(modifiers); j++)
4952                                         XGrabKey(display, code,
4953                                             kp->mod | modifiers[j],
4954                                             screens[k].root, True,
4955                                             GrabModeAsync, GrabModeAsync);
4956                 }
4957         }
4958 }
4959
4960 void
4961 grabbuttons(struct ws_win *win, int focused)
4962 {
4963         unsigned int            i, j;
4964         unsigned int            modifiers[] =
4965             { 0, LockMask, numlockmask, numlockmask|LockMask };
4966
4967         updatenumlockmask();
4968         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4969         if (focused) {
4970                 for (i = 0; i < LENGTH(buttons); i++)
4971                         if (buttons[i].action == client_click)
4972                                 for (j = 0; j < LENGTH(modifiers); j++)
4973                                         XGrabButton(display, buttons[i].button,
4974                                             buttons[i].mask | modifiers[j],
4975                                             win->id, False, BUTTONMASK,
4976                                             GrabModeAsync, GrabModeSync, None,
4977                                             None);
4978         } else
4979                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4980                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4981 }
4982
4983 const char *quirkname[] = {
4984         "NONE",         /* config string for "no value" */
4985         "FLOAT",
4986         "TRANSSZ",
4987         "ANYWHERE",
4988         "XTERM_FONTADJ",
4989         "FULLSCREEN",
4990         "FOCUSPREV",
4991 };
4992
4993 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4994 #define SWM_Q_WS                "\n|+ \t"
4995 int
4996 parsequirks(char *qstr, unsigned long *quirk)
4997 {
4998         char                    *cp, *name;
4999         int                     i;
5000
5001         if (quirk == NULL)
5002                 return (1);
5003
5004         cp = qstr;
5005         *quirk = 0;
5006         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5007                 if (cp)
5008                         cp += (long)strspn(cp, SWM_Q_WS);
5009                 for (i = 0; i < LENGTH(quirkname); i++) {
5010                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5011                                 DNPRINTF(SWM_D_QUIRK,
5012                                     "parsequirks: %s\n", name);
5013                                 if (i == 0) {
5014                                         *quirk = 0;
5015                                         return (0);
5016                                 }
5017                                 *quirk |= 1 << (i-1);
5018                                 break;
5019                         }
5020                 }
5021                 if (i >= LENGTH(quirkname)) {
5022                         DNPRINTF(SWM_D_QUIRK,
5023                             "parsequirks: invalid quirk [%s]\n", name);
5024                         return (1);
5025                 }
5026         }
5027         return (0);
5028 }
5029
5030 void
5031 quirk_insert(const char *class, const char *name, unsigned long quirk)
5032 {
5033         struct quirk            *qp;
5034
5035         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5036             quirk);
5037
5038         if ((qp = malloc(sizeof *qp)) == NULL)
5039                 err(1, "quirk_insert: malloc");
5040         if ((qp->class = strdup(class)) == NULL)
5041                 err(1, "quirk_insert: strdup");
5042         if ((qp->name = strdup(name)) == NULL)
5043                 err(1, "quirk_insert: strdup");
5044
5045         qp->quirk = quirk;
5046         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5047
5048         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5049 }
5050
5051 void
5052 quirk_remove(struct quirk *qp)
5053 {
5054         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5055             qp->name, qp->quirk);
5056
5057         TAILQ_REMOVE(&quirks, qp, entry);
5058         free(qp->class);
5059         free(qp->name);
5060         free(qp);
5061
5062         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5063 }
5064
5065 void
5066 quirk_replace(struct quirk *qp, const char *class, const char *name,
5067     unsigned long quirk)
5068 {
5069         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5070             qp->name, qp->quirk);
5071
5072         quirk_remove(qp);
5073         quirk_insert(class, name, quirk);
5074
5075         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5076 }
5077
5078 void
5079 setquirk(const char *class, const char *name, unsigned long quirk)
5080 {
5081         struct quirk            *qp;
5082
5083         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5084            quirk);
5085
5086         TAILQ_FOREACH(qp, &quirks, entry) {
5087                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5088                         if (!quirk)
5089                                 quirk_remove(qp);
5090                         else
5091                                 quirk_replace(qp, class, name, quirk);
5092                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5093                         return;
5094                 }
5095         }
5096         if (!quirk) {
5097                 warnx("error: setquirk: cannot find class/name combination");
5098                 return;
5099         }
5100
5101         quirk_insert(class, name, quirk);
5102         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5103 }
5104
5105 int
5106 setconfquirk(char *selector, char *value, int flags)
5107 {
5108         char                    *cp, *class, *name;
5109         int                     retval;
5110         unsigned long           quirks;
5111         if (selector == NULL)
5112                 return (0);
5113         if ((cp = strchr(selector, ':')) == NULL)
5114                 return (0);
5115         *cp = '\0';
5116         class = selector;
5117         name = cp + 1;
5118         if ((retval = parsequirks(value, &quirks)) == 0)
5119                 setquirk(class, name, quirks);
5120         return (retval);
5121 }
5122
5123 void
5124 setup_quirks(void)
5125 {
5126         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5127         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5128         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5129         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5130         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5131         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5132         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5133         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5134         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5135         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5136         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5137         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5138         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5139 }
5140
5141 /* conf file stuff */
5142 #define SWM_CONF_FILE   "scrotwm.conf"
5143
5144 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
5145           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
5146           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
5147           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
5148           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
5149           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
5150           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
5151           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
5152           SWM_S_VERBOSE_LAYOUT, SWM_S_BAR_JUSTIFY
5153         };
5154
5155 int
5156 setconfvalue(char *selector, char *value, int flags)
5157 {
5158         int     i;
5159         char    *b;
5160
5161         switch (flags) {
5162         case SWM_S_BAR_DELAY:
5163                 bar_delay = atoi(value);
5164                 break;
5165         case SWM_S_BAR_ENABLED:
5166                 bar_enabled = atoi(value);
5167                 break;
5168         case SWM_S_BAR_BORDER_WIDTH:
5169                 bar_border_width = atoi(value);
5170                 break;
5171         case SWM_S_BAR_AT_BOTTOM:
5172                 bar_at_bottom = atoi(value);
5173                 break;
5174         case SWM_S_BAR_JUSTIFY:
5175                 if (!strcmp(value, "left"))
5176                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5177                 else if (!strcmp(value, "center"))
5178                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5179                 else if (!strcmp(value, "right"))
5180                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5181                 else
5182                         errx(1, "invalid bar_justify");
5183                 break;
5184         case SWM_S_STACK_ENABLED:
5185                 stack_enabled = atoi(value);
5186                 break;
5187         case SWM_S_CLOCK_ENABLED:
5188                 clock_enabled = atoi(value);
5189                 break;
5190         case SWM_S_CLOCK_FORMAT:
5191 #ifndef SWM_DENY_CLOCK_FORMAT
5192                 free(clock_format);
5193                 if ((clock_format = strdup(value)) == NULL)
5194                         err(1, "setconfvalue: clock_format");
5195 #endif
5196                 break;
5197         case SWM_S_CYCLE_EMPTY:
5198                 cycle_empty = atoi(value);
5199                 break;
5200         case SWM_S_CYCLE_VISIBLE:
5201                 cycle_visible = atoi(value);
5202                 break;
5203         case SWM_S_SS_ENABLED:
5204                 ss_enabled = atoi(value);
5205                 break;
5206         case SWM_S_TERM_WIDTH:
5207                 term_width = atoi(value);
5208                 break;
5209         case SWM_S_TITLE_CLASS_ENABLED:
5210                 title_class_enabled = atoi(value);
5211                 break;
5212         case SWM_S_WINDOW_NAME_ENABLED:
5213                 window_name_enabled = atoi(value);
5214                 break;
5215         case SWM_S_TITLE_NAME_ENABLED:
5216                 title_name_enabled = atoi(value);
5217                 break;
5218         case SWM_S_URGENT_ENABLED:
5219                 urgent_enabled = atoi(value);
5220                 break;
5221         case SWM_S_FOCUS_MODE:
5222                 if (!strcmp(value, "default"))
5223                         focus_mode = SWM_FOCUS_DEFAULT;
5224                 else if (!strcmp(value, "follow_cursor"))
5225                         focus_mode = SWM_FOCUS_FOLLOW;
5226                 else if (!strcmp(value, "synergy"))
5227                         focus_mode = SWM_FOCUS_SYNERGY;
5228                 else
5229                         errx(1, "focus_mode");
5230                 break;
5231         case SWM_S_DISABLE_BORDER:
5232                 disable_border = atoi(value);
5233                 break;
5234         case SWM_S_BORDER_WIDTH:
5235                 border_width = atoi(value);
5236                 break;
5237         case SWM_S_BAR_FONT:
5238                 b = bar_fonts;
5239                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5240                         err(1, "setconfvalue: asprintf: failed to allocate "
5241                                 "memory for bar_fonts.");
5242
5243                 free(b);
5244                 break;
5245         case SWM_S_BAR_ACTION:
5246                 free(bar_argv[0]);
5247                 if ((bar_argv[0] = strdup(value)) == NULL)
5248                         err(1, "setconfvalue: bar_action");
5249                 break;
5250         case SWM_S_SPAWN_TERM:
5251                 free(spawn_term[0]);
5252                 if ((spawn_term[0] = strdup(value)) == NULL)
5253                         err(1, "setconfvalue: spawn_term");
5254                 break;
5255         case SWM_S_SS_APP:
5256                 break;
5257         case SWM_S_DIALOG_RATIO:
5258                 dialog_ratio = atof(value);
5259                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5260                         dialog_ratio = .6;
5261                 break;
5262         case SWM_S_VERBOSE_LAYOUT:
5263                 verbose_layout = atoi(value);
5264                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5265                         if (verbose_layout)
5266                                 layouts[i].l_string = fancy_stacker;
5267                         else
5268                                 layouts[i].l_string = plain_stacker;
5269                 }
5270                 break;
5271         default:
5272                 return (1);
5273         }
5274         return (0);
5275 }
5276
5277 int
5278 setconfmodkey(char *selector, char *value, int flags)
5279 {
5280         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5281                 update_modkey(Mod1Mask);
5282         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5283                 update_modkey(Mod2Mask);
5284         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5285                 update_modkey(Mod3Mask);
5286         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5287                 update_modkey(Mod4Mask);
5288         else
5289                 return (1);
5290         return (0);
5291 }
5292
5293 int
5294 setconfcolor(char *selector, char *value, int flags)
5295 {
5296         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5297         return (0);
5298 }
5299
5300 int
5301 setconfregion(char *selector, char *value, int flags)
5302 {
5303         custom_region(value);
5304         return (0);
5305 }
5306
5307 int
5308 setautorun(char *selector, char *value, int flags)
5309 {
5310         int                     ws_id;
5311         char                    s[1024];
5312         char                    *ap, *sp = s;
5313         union arg               a;
5314         int                     argc = 0;
5315         long                    pid;
5316         struct pid_e            *p;
5317
5318         if (getenv("SWM_STARTED"))
5319                 return (0);
5320
5321         bzero(s, sizeof s);
5322         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5323                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5324         ws_id--;
5325         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5326                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5327
5328         /*
5329          * This is a little intricate
5330          *
5331          * If the pid already exists we simply reuse it because it means it was
5332          * used before AND not claimed by manage_window.  We get away with
5333          * altering it in the parent after INSERT because this can not be a race
5334          */
5335         a.argv = NULL;
5336         while ((ap = strsep(&sp, " \t")) != NULL) {
5337                 if (*ap == '\0')
5338                         continue;
5339                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5340                 argc++;
5341                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5342                         err(1, "setautorun: realloc");
5343                 a.argv[argc - 1] = ap;
5344         }
5345
5346         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5347                 err(1, "setautorun: realloc");
5348         a.argv[argc] = NULL;
5349
5350         if ((pid = fork()) == 0) {
5351                 spawn(ws_id, &a, 1);
5352                 /* NOTREACHED */
5353                 _exit(1);
5354         }
5355         free(a.argv);
5356
5357         /* parent */
5358         p = find_pid(pid);
5359         if (p == NULL) {
5360                 p = calloc(1, sizeof *p);
5361                 if (p == NULL)
5362                         return (1);
5363                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5364         }
5365
5366         p->pid = pid;
5367         p->ws = ws_id;
5368
5369         return (0);
5370 }
5371
5372 int
5373 setlayout(char *selector, char *value, int flags)
5374 {
5375         int                     ws_id, i, x, mg, ma, si, raise;
5376         int                     st = SWM_V_STACK;
5377         char                    s[1024];
5378         struct workspace        *ws;
5379
5380         if (getenv("SWM_STARTED"))
5381                 return (0);
5382
5383         bzero(s, sizeof s);
5384         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5385             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5386                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5387                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5388                     "<type>'");
5389         ws_id--;
5390         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5391                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5392
5393         if (!strcasecmp(s, "vertical"))
5394                 st = SWM_V_STACK;
5395         else if (!strcasecmp(s, "horizontal"))
5396                 st = SWM_H_STACK;
5397         else if (!strcasecmp(s, "fullscreen"))
5398                 st = SWM_MAX_STACK;
5399         else
5400                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5401                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5402                     "<type>'");
5403
5404         for (i = 0; i < ScreenCount(display); i++) {
5405                 ws = (struct workspace *)&screens[i].ws;
5406                 ws[ws_id].cur_layout = &layouts[st];
5407
5408                 ws[ws_id].always_raise = raise;
5409                 if (st == SWM_MAX_STACK)
5410                         continue;
5411
5412                 /* master grow */
5413                 for (x = 0; x < abs(mg); x++) {
5414                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5415                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5416                             SWM_ARG_ID_MASTERSHRINK);
5417                         stack();
5418                 }
5419                 /* master add */
5420                 for (x = 0; x < abs(ma); x++) {
5421                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5422                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5423                             SWM_ARG_ID_MASTERDEL);
5424                         stack();
5425                 }
5426                 /* stack inc */
5427                 for (x = 0; x < abs(si); x++) {
5428                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5429                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5430                             SWM_ARG_ID_STACKDEC);
5431                         stack();
5432                 }
5433         }
5434
5435         return (0);
5436 }
5437
5438 /* config options */
5439 struct config_option {
5440         char                    *optname;
5441         int                     (*func)(char*, char*, int);
5442         int                     funcflags;
5443 };
5444 struct config_option configopt[] = {
5445         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5446         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5447         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5448         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5449         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5450         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5451         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5452         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5453         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5454         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5455         { "keyboard_mapping",           setkeymapping,  0 },
5456         { "bind",                       setconfbinding, 0 },
5457         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5458         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5459         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5460         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5461         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5462         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5463         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5464         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5465         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5466         { "modkey",                     setconfmodkey,  0 },
5467         { "program",                    setconfspawn,   0 },
5468         { "quirk",                      setconfquirk,   0 },
5469         { "region",                     setconfregion,  0 },
5470         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5471         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5472         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5473         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5474         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5475         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5476         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5477         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5478         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5479         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5480         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5481         { "autorun",                    setautorun,     0 },
5482         { "layout",                     setlayout,      0 },
5483 };
5484
5485
5486 int
5487 conf_load(char *filename, int keymapping)
5488 {
5489         FILE                    *config;
5490         char                    *line, *cp, *optsub, *optval;
5491         size_t                  linelen, lineno = 0;
5492         int                     wordlen, i, optind;
5493         struct config_option    *opt;
5494
5495         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
5496
5497         if (filename == NULL) {
5498                 fprintf(stderr, "conf_load: no filename\n");
5499                 return (1);
5500         }
5501         if ((config = fopen(filename, "r")) == NULL) {
5502                 warn("conf_load: fopen: %s", filename);
5503                 return (1);
5504         }
5505
5506         while (!feof(config)) {
5507                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5508                     == NULL) {
5509                         if (ferror(config))
5510                                 err(1, "%s", filename);
5511                         else
5512                                 continue;
5513                 }
5514                 cp = line;
5515                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5516                 if (cp[0] == '\0') {
5517                         /* empty line */
5518                         free(line);
5519                         continue;
5520                 }
5521                 /* get config option */
5522                 wordlen = strcspn(cp, "=[ \t\n");
5523                 if (wordlen == 0) {
5524                         warnx("%s: line %zd: no option found",
5525                             filename, lineno);
5526                         goto out;
5527                 }
5528                 optind = -1;
5529                 for (i = 0; i < LENGTH(configopt); i++) {
5530                         opt = &configopt[i];
5531                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5532                             strlen(opt->optname) == wordlen) {
5533                                 optind = i;
5534                                 break;
5535                         }
5536                 }
5537                 if (optind == -1) {
5538                         warnx("%s: line %zd: unknown option %.*s",
5539                             filename, lineno, wordlen, cp);
5540                         goto out;
5541                 }
5542                 if (keymapping && strcmp(opt->optname, "bind")) {
5543                         warnx("%s: line %zd: invalid option %.*s",
5544                             filename, lineno, wordlen, cp);
5545                         goto out;
5546                 }
5547                 cp += wordlen;
5548                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5549                 /* get [selector] if any */
5550                 optsub = NULL;
5551                 if (*cp == '[') {
5552                         cp++;
5553                         wordlen = strcspn(cp, "]");
5554                         if (*cp != ']') {
5555                                 if (wordlen == 0) {
5556                                         warnx("%s: line %zd: syntax error",
5557                                             filename, lineno);
5558                                         goto out;
5559                                 }
5560
5561                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
5562                                     -1) {
5563                                         warnx("%s: line %zd: unable to allocate"
5564                                             "memory for selector", filename,
5565                                             lineno);
5566                                         goto out;
5567                                 }
5568                         }
5569                         cp += wordlen;
5570                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5571                 }
5572                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5573                 /* get RHS value */
5574                 optval = strdup(cp);
5575                 /* call function to deal with it all */
5576                 if (configopt[optind].func(optsub, optval,
5577                     configopt[optind].funcflags) != 0) {
5578                         fprintf(stderr, "%s line %zd: %s\n",
5579                             filename, lineno, line);
5580                         errx(1, "%s: line %zd: invalid data for %s",
5581                             filename, lineno, configopt[optind].optname);
5582                 }
5583                 free(optval);
5584                 free(optsub);
5585                 free(line);
5586         }
5587
5588         fclose(config);
5589         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
5590
5591         return (0);
5592
5593 out:
5594         free(line);
5595         fclose(config);
5596         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
5597
5598         return (1);
5599 }
5600
5601 void
5602 set_child_transient(struct ws_win *win, Window *trans)
5603 {
5604         struct ws_win           *parent, *w;
5605         XWMHints                *wmh = NULL;
5606         struct swm_region       *r;
5607         struct workspace        *ws;
5608
5609         parent = find_window(win->transient);
5610         if (parent)
5611                 parent->child_trans = win;
5612         else {
5613                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5614                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
5615
5616                 if (win->hints == NULL) {
5617                         fprintf(stderr, "no hints for 0x%lx\n", win->id);
5618                         return;
5619                 }
5620
5621                 r = root_to_region(win->wa.root);
5622                 ws = r->ws;
5623                 /* parent doen't exist in our window list */
5624                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5625                         if (wmh)
5626                                 XFree(wmh);
5627
5628                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5629                                 fprintf(stderr, "can't get hints for 0x%lx\n",
5630                                     w->id);
5631                                 continue;
5632                         }
5633
5634                         if (win->hints->window_group != wmh->window_group)
5635                                 continue;
5636
5637                         w->child_trans = win;
5638                         win->transient = w->id;
5639                         *trans = w->id;
5640                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5641                             "transient to 0x%lx\n", win->transient);
5642                         break;
5643                 }
5644         }
5645
5646         if (wmh)
5647                 XFree(wmh);
5648 }
5649
5650 long
5651 window_get_pid(Window win)
5652 {
5653         Atom                    actual_type_return;
5654         int                     actual_format_return = 0;
5655         unsigned long           nitems_return = 0;
5656         unsigned long           bytes_after_return = 0;
5657         long                    *pid = NULL;
5658         long                    ret = 0;
5659         const char              *errstr;
5660         unsigned char           *prop = NULL;
5661
5662         if (XGetWindowProperty(display, win,
5663             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5664             XA_CARDINAL, &actual_type_return, &actual_format_return,
5665             &nitems_return, &bytes_after_return,
5666             (unsigned char**)(void*)&pid) != Success)
5667                 goto tryharder;
5668         if (actual_type_return != XA_CARDINAL)
5669                 goto tryharder;
5670         if (pid == NULL)
5671                 goto tryharder;
5672
5673         ret = *pid;
5674         XFree(pid);
5675
5676         return (ret);
5677
5678 tryharder:
5679         if (XGetWindowProperty(display, win,
5680             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
5681             XA_STRING, &actual_type_return, &actual_format_return,
5682             &nitems_return, &bytes_after_return, &prop) != Success)
5683                 return (0);
5684         if (actual_type_return != XA_STRING)
5685                 return (0);
5686         if (prop == NULL)
5687                 return (0);
5688
5689         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
5690         /* ignore error because strtonum returns 0 anyway */
5691         XFree(prop);
5692
5693         return (ret);
5694 }
5695
5696 struct ws_win *
5697 manage_window(Window id)
5698 {
5699         Window                  trans = 0;
5700         struct workspace        *ws;
5701         struct ws_win           *win, *ww;
5702         int                     format, i, ws_idx, n, border_me = 0;
5703         unsigned long           nitems, bytes;
5704         Atom                    ws_idx_atom = 0, type;
5705         Atom                    *prot = NULL, *pp;
5706         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5707         struct swm_region       *r;
5708         long                    mask;
5709         const char              *errstr;
5710         XWindowChanges          wc;
5711         struct pid_e            *p;
5712         struct quirk            *qp;
5713
5714         if ((win = find_window(id)) != NULL)
5715                 return (win);   /* already being managed */
5716
5717         /* see if we are on the unmanaged list */
5718         if ((win = find_unmanaged_window(id)) != NULL) {
5719                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
5720                     "window: 0x%lx\n", win->id);
5721                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5722                 if (win->transient) {
5723                         set_child_transient(win, &trans);
5724                 } if (trans && (ww = find_window(trans)))
5725                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5726                 else
5727                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5728                 ewmh_update_actions(win);
5729                 return (win);
5730         }
5731
5732         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5733                 err(1, "manage_window: calloc: failed to allocate memory for "
5734                     "new window");
5735
5736         win->id = id;
5737
5738         /* see if we need to override the workspace */
5739         p = find_pid(window_get_pid(id));
5740
5741         /* Get all the window data in one shot */
5742         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5743         if (ws_idx_atom) {
5744                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5745                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5746         }
5747         XGetWindowAttributes(display, id, &win->wa);
5748         XGetWMNormalHints(display, id, &win->sh, &mask);
5749         win->hints = XGetWMHints(display, id);
5750         XGetTransientForHint(display, id, &trans);
5751         if (trans) {
5752                 win->transient = trans;
5753                 set_child_transient(win, &trans);
5754                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
5755                     "transient: 0x%lx\n", win->id, win->transient);
5756         }
5757
5758         /* get supported protocols */
5759         if (XGetWMProtocols(display, id, &prot, &n)) {
5760                 for (i = 0, pp = prot; i < n; i++, pp++) {
5761                         if (*pp == takefocus)
5762                                 win->take_focus = 1;
5763                         if (*pp == adelete)
5764                                 win->can_delete = 1;
5765                 }
5766                 if (prot)
5767                         XFree(prot);
5768         }
5769
5770         win->iconic = get_iconic(win);
5771
5772         /*
5773          * Figure out where to put the window. If it was previously assigned to
5774          * a workspace (either by spawn() or manually moving), and isn't
5775          * transient, * put it in the same workspace
5776          */
5777         r = root_to_region(win->wa.root);
5778         if (p) {
5779                 ws = &r->s->ws[p->ws];
5780                 TAILQ_REMOVE(&pidlist, p, entry);
5781                 free(p);
5782                 p = NULL;
5783         } else if (prop && win->transient == 0) {
5784                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
5785                 ws_idx = strtonum((const char *)prop, 0, 9, &errstr);
5786                 if (errstr) {
5787                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
5788                             errstr, prop);
5789                 }
5790                 ws = &r->s->ws[ws_idx];
5791         } else {
5792                 ws = r->ws;
5793                 /* this should launch transients in the same ws as parent */
5794                 if (id && trans)
5795                         if ((ww = find_window(trans)) != NULL)
5796                                 if (ws->r) {
5797                                         ws = ww->ws;
5798                                         if (ww->ws->r)
5799                                                 r = ww->ws->r;
5800                                         else
5801                                                 fprintf(stderr,
5802                                                     "manage_window: fix this "
5803                                                     "bug mcbride\n");
5804                                         border_me = 1;
5805                                 }
5806         }
5807
5808         /* set up the window layout */
5809         win->id = id;
5810         win->ws = ws;
5811         win->s = r->s;  /* this never changes */
5812         if (trans && (ww = find_window(trans)))
5813                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5814         else
5815                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5816
5817         WIDTH(win) = win->wa.width;
5818         HEIGHT(win) = win->wa.height;
5819         X(win) = win->wa.x;
5820         Y(win) = win->wa.y;
5821         win->g_floatvalid = 0;
5822         win->floatmaxed = 0;
5823         win->ewmh_flags = 0;
5824
5825         /* Set window properties so we can remember this after reincarnation */
5826         if (ws_idx_atom && prop == NULL &&
5827             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
5828                 SWM_PROPLEN) {
5829                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
5830                     ws_idx_str);
5831                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5832                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5833         }
5834         if (prop)
5835                 XFree(prop);
5836
5837         ewmh_autoquirk(win);
5838
5839         if (XGetClassHint(display, win->id, &win->ch)) {
5840                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
5841                     win->ch.res_class, win->ch.res_name);
5842
5843                 /* java is retarded so treat it special */
5844                 if (strstr(win->ch.res_name, "sun-awt")) {
5845                         win->java = 1;
5846                         border_me = 1;
5847                 }
5848
5849                 TAILQ_FOREACH(qp, &quirks, entry) {
5850                         if (!strcmp(win->ch.res_class, qp->class) &&
5851                             !strcmp(win->ch.res_name, qp->name)) {
5852                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
5853                                     "class: %s, name: %s\n", win->ch.res_class,
5854                                     win->ch.res_name);
5855                                 if (qp->quirk & SWM_Q_FLOAT) {
5856                                         win->floating = 1;
5857                                         border_me = 1;
5858                                 }
5859                                 win->quirks = qp->quirk;
5860                         }
5861                 }
5862         }
5863
5864         /* alter window position if quirky */
5865         if (win->quirks & SWM_Q_ANYWHERE) {
5866                 win->manual = 1; /* don't center the quirky windows */
5867                 bzero(&wc, sizeof wc);
5868                 mask = 0;
5869                 if (bar_enabled && Y(win) < bar_height) {
5870                         Y(win) = wc.y = bar_height;
5871                         mask |= CWY;
5872                 }
5873                 if (WIDTH(win) + X(win) > WIDTH(r)) {
5874                         X(win) = wc.x = WIDTH(r) - WIDTH(win) - 2;
5875                         mask |= CWX;
5876                 }
5877                 border_me = 1;
5878         }
5879
5880         /* Reset font sizes (the bruteforce way; no default keybinding). */
5881         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5882                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5883                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5884                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5885                         fake_keypress(win, XK_KP_Add, ShiftMask);
5886         }
5887
5888         ewmh_get_win_state(win);
5889         ewmh_update_actions(win);
5890         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5891
5892         /* border me */
5893         if (border_me) {
5894                 bzero(&wc, sizeof wc);
5895                 wc.border_width = border_width;
5896                 mask = CWBorderWidth;
5897                 XConfigureWindow(display, win->id, mask, &wc);
5898         }
5899
5900         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5901             PropertyChangeMask | StructureNotifyMask);
5902
5903         /* floaters need to be mapped if they are in the current workspace */
5904         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5905                 XMapRaised(display, win->id);
5906
5907         return (win);
5908 }
5909
5910 void
5911 free_window(struct ws_win *win)
5912 {
5913         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
5914
5915         if (win == NULL)
5916                 return;
5917
5918         /* needed for restart wm */
5919         set_win_state(win, WithdrawnState);
5920
5921         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5922
5923         if (win->ch.res_class)
5924                 XFree(win->ch.res_class);
5925         if (win->ch.res_name)
5926                 XFree(win->ch.res_name);
5927
5928         kill_refs(win);
5929
5930         /* paint memory */
5931         memset(win, 0xff, sizeof *win); /* XXX kill later */
5932
5933         free(win);
5934 }
5935
5936 void
5937 unmanage_window(struct ws_win *win)
5938 {
5939         struct ws_win           *parent;
5940
5941         if (win == NULL)
5942                 return;
5943
5944         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
5945
5946         if (win->transient) {
5947                 parent = find_window(win->transient);
5948                 if (parent)
5949                         parent->child_trans = NULL;
5950         }
5951
5952         /* focus on root just in case */
5953         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5954
5955         focus_prev(win);
5956
5957         if (win->hints) {
5958                 XFree(win->hints);
5959                 win->hints = NULL;
5960         }
5961
5962         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5963         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5964
5965         kill_refs(win);
5966 }
5967
5968 void
5969 focus_magic(struct ws_win *win)
5970 {
5971         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
5972
5973         if (win == NULL)
5974                 return;
5975
5976         if (win->child_trans) {
5977                 /* win = parent & has a transient so focus on that */
5978                 if (win->java) {
5979                         focus_win(win->child_trans);
5980                         if (win->child_trans->take_focus)
5981                                 client_msg(win, takefocus);
5982                 } else {
5983                         /* make sure transient hasn't dissapeared */
5984                         if (validate_win(win->child_trans) == 0) {
5985                                 focus_win(win->child_trans);
5986                                 if (win->child_trans->take_focus)
5987                                         client_msg(win->child_trans, takefocus);
5988                         } else {
5989                                 win->child_trans = NULL;
5990                                 focus_win(win);
5991                                 if (win->take_focus)
5992                                         client_msg(win, takefocus);
5993                         }
5994                 }
5995         } else {
5996                 /* regular focus */
5997                 focus_win(win);
5998                 if (win->take_focus)
5999                         client_msg(win, takefocus);
6000         }
6001 }
6002
6003 void
6004 expose(XEvent *e)
6005 {
6006         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6007 }
6008
6009 void
6010 keypress(XEvent *e)
6011 {
6012         KeySym                  keysym;
6013         XKeyEvent               *ev = &e->xkey;
6014         struct key              *kp;
6015
6016         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
6017         TAILQ_FOREACH(kp, &keys, entry)
6018                 if (keysym == kp->keysym
6019                     && CLEANMASK(kp->mod) == CLEANMASK(ev->state)
6020                     && keyfuncs[kp->funcid].func) {
6021                         if (kp->funcid == kf_spawn_custom)
6022                                 spawn_custom(
6023                                     root_to_region(ev->root),
6024                                     &(keyfuncs[kp->funcid].args),
6025                                     kp->spawn_name
6026                                     );
6027                         else
6028                                 keyfuncs[kp->funcid].func(
6029                                     root_to_region(ev->root),
6030                                     &(keyfuncs[kp->funcid].args)
6031                                     );
6032                 }
6033 }
6034
6035 void
6036 buttonpress(XEvent *e)
6037 {
6038         struct ws_win           *win;
6039         int                     i, action;
6040         XButtonPressedEvent     *ev = &e->xbutton;
6041
6042         if ((win = find_window(ev->window)) == NULL)
6043                 return;
6044
6045         focus_magic(win);
6046         action = client_click;
6047
6048         for (i = 0; i < LENGTH(buttons); i++)
6049                 if (action == buttons[i].action && buttons[i].func &&
6050                     buttons[i].button == ev->button &&
6051                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6052                         buttons[i].func(win, &buttons[i].args);
6053 }
6054
6055 void
6056 configurerequest(XEvent *e)
6057 {
6058         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6059         struct ws_win           *win;
6060         int                     new = 0;
6061         XWindowChanges          wc;
6062
6063         if ((win = find_window(ev->window)) == NULL)
6064                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6065                         new = 1;
6066
6067         DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%lx, new: %s\n",
6068             ev->window, YESNO(new));
6069
6070         if (new) {
6071                 bzero(&wc, sizeof wc);
6072                 wc.x = ev->x;
6073                 wc.y = ev->y;
6074                 wc.width = ev->width;
6075                 wc.height = ev->height;
6076                 wc.border_width = ev->border_width;
6077                 wc.sibling = ev->above;
6078                 wc.stack_mode = ev->detail;
6079                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6080         } else {
6081                 config_win(win, ev);
6082         }
6083 }
6084
6085 void
6086 configurenotify(XEvent *e)
6087 {
6088         struct ws_win           *win;
6089         long                    mask;
6090
6091         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6092             e->xconfigure.window);
6093
6094         win = find_window(e->xconfigure.window);
6095         if (win) {
6096                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6097                 adjust_font(win);
6098                 if (font_adjusted)
6099                         stack();
6100                 if (focus_mode == SWM_FOCUS_DEFAULT)
6101                         drain_enter_notify();
6102         }
6103 }
6104
6105 void
6106 destroynotify(XEvent *e)
6107 {
6108         struct ws_win           *win;
6109         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6110
6111         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6112
6113         if ((win = find_window(ev->window)) == NULL) {
6114                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6115                         return;
6116                 free_window(win);
6117                 return;
6118         }
6119
6120         /* make sure we focus on something */
6121         win->floating = 0;
6122
6123         unmanage_window(win);
6124         stack();
6125         if (focus_mode == SWM_FOCUS_DEFAULT)
6126                 drain_enter_notify();
6127         free_window(win);
6128 }
6129
6130 void
6131 enternotify(XEvent *e)
6132 {
6133         XCrossingEvent          *ev = &e->xcrossing;
6134         XEvent                  cne;
6135         struct ws_win           *win;
6136 #if 0
6137         struct ws_win           *w;
6138         Window                  focus_return;
6139         int                     revert_to_return;
6140 #endif
6141         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6142             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6143             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6144             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6145
6146         if (ev->mode != NotifyNormal) {
6147                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6148                     "cursor grab.\n");
6149                 return;
6150         }
6151
6152         switch (focus_mode) {
6153         case SWM_FOCUS_DEFAULT:
6154                 break;
6155         case SWM_FOCUS_FOLLOW:
6156                 break;
6157         case SWM_FOCUS_SYNERGY:
6158 #if 0
6159         /*
6160          * all these checks need to be in this order because the
6161          * XCheckTypedWindowEvent relies on weeding out the previous events
6162          *
6163          * making this code an option would enable a follow mouse for focus
6164          * feature
6165          */
6166
6167         /*
6168          * state is set when we are switching workspaces and focus is set when
6169          * the window or a subwindow already has focus (occurs during restart).
6170          *
6171          * Only honor the focus flag if last_focus_event is not FocusOut,
6172          * this allows scrotwm to continue to control focus when another
6173          * program is also playing with it.
6174          */
6175         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6176                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6177                 return;
6178         }
6179
6180         /*
6181          * happens when a window is created or destroyed and the border
6182          * crosses the mouse pointer and when switching ws
6183          *
6184          * we need the subwindow test to see if we came from root in order
6185          * to give focus to floaters
6186          */
6187         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6188             ev->subwindow == 0) {
6189                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6190                 return;
6191         }
6192
6193         /* this window already has focus */
6194         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6195                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6196                 return;
6197         }
6198
6199         /* this window is being deleted or moved to another ws */
6200         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6201             &cne) == True) {
6202                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6203                 XPutBackEvent(display, &cne);
6204                 return;
6205         }
6206
6207         if ((win = find_window(ev->window)) == NULL) {
6208                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6209                 return;
6210         }
6211
6212         /*
6213          * In fullstack kill all enters unless they come from a different ws
6214          * (i.e. another region) or focus has been grabbed externally.
6215          */
6216         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6217             last_focus_event != FocusOut) {
6218                 XGetInputFocus(display, &focus_return, &revert_to_return);
6219                 if ((w = find_window(focus_return)) == NULL ||
6220                     w->ws == win->ws) {
6221                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6222                         return;
6223                 }
6224         }
6225 #endif
6226                 break;
6227         }
6228
6229         if ((win = find_window(ev->window)) == NULL) {
6230                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6231                 return;
6232         }
6233
6234         /*
6235          * if we have more enternotifies let them handle it in due time
6236          */
6237         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6238                 DNPRINTF(SWM_D_EVENT,
6239                     "ignoring enternotify: got more enternotify\n");
6240                 XPutBackEvent(display, &cne);
6241                 return;
6242         }
6243
6244         focus_magic(win);
6245 }
6246
6247 /* lets us use one switch statement for arbitrary mode/detail combinations */
6248 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6249
6250 void
6251 focusevent(XEvent *e)
6252 {
6253 #if 0
6254         struct ws_win           *win;
6255         u_int32_t               mode_detail;
6256         XFocusChangeEvent       *ev = &e->xfocus;
6257
6258         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6259             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6260             ev->window, ev->mode, ev->detail);
6261
6262         if (last_focus_event == ev->type) {
6263                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6264                 return;
6265         }
6266
6267         last_focus_event = ev->type;
6268         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6269
6270         switch (mode_detail) {
6271         /* synergy client focus operations */
6272         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6273         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6274
6275         /* synergy server focus operations */
6276         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6277
6278         /* Entering applications like rdesktop that mangle the pointer */
6279         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6280
6281                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6282                         XSetWindowBorder(display, win->id,
6283                             win->ws->r->s->c[ev->type == FocusIn ?
6284                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6285                 break;
6286         default:
6287                 fprintf(stderr, "ignoring focusevent\n");
6288                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6289                 break;
6290         }
6291 #endif
6292 }
6293
6294 void
6295 mapnotify(XEvent *e)
6296 {
6297         struct ws_win           *win;
6298         XMapEvent               *ev = &e->xmap;
6299
6300         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6301
6302         win = manage_window(ev->window);
6303         if (win)
6304                 set_win_state(win, NormalState);
6305 }
6306
6307 void
6308 mappingnotify(XEvent *e)
6309 {
6310         XMappingEvent           *ev = &e->xmapping;
6311
6312         XRefreshKeyboardMapping(ev);
6313         if (ev->request == MappingKeyboard)
6314                 grabkeys();
6315 }
6316
6317 void
6318 maprequest(XEvent *e)
6319 {
6320         struct ws_win           *win;
6321         struct swm_region       *r;
6322         XWindowAttributes       wa;
6323         XMapRequestEvent        *ev = &e->xmaprequest;
6324
6325         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6326             e->xmaprequest.window);
6327
6328         if (!XGetWindowAttributes(display, ev->window, &wa))
6329                 return;
6330         if (wa.override_redirect)
6331                 return;
6332
6333         win = manage_window(e->xmaprequest.window);
6334         if (win == NULL)
6335                 return; /* can't happen */
6336
6337         stack();
6338
6339         /* make new win focused */
6340         r = root_to_region(win->wa.root);
6341         if (win->ws == r->ws)
6342                 focus_magic(win);
6343 }
6344
6345 void
6346 propertynotify(XEvent *e)
6347 {
6348         struct ws_win           *win;
6349         XPropertyEvent          *ev = &e->xproperty;
6350 #ifdef SWM_DEBUG
6351         char                    *name;
6352         name = XGetAtomName(display, ev->atom);
6353         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6354             ev->window, name);
6355         XFree(name);
6356 #endif
6357
6358         win = find_window(ev->window);
6359         if (win == NULL)
6360                 return;
6361
6362         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6363                 update_iconic(win, 0);
6364                 XMapRaised(display, win->id);
6365                 stack();
6366                 focus_win(win);
6367                 return;
6368         }
6369
6370         switch (ev->atom) {
6371 #if 0
6372         case XA_WM_NORMAL_HINTS:
6373                 long            mask;
6374                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6375                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
6376                 if (win->sh.flags & PMinSize) {
6377                         WIDTH(win) = win->sh.min_width;
6378                         HEIGHT(win) = win->sh.min_height;
6379                         fprintf(stderr, "min %d %d\n", WIDTH(win), HEIGHT(win));
6380                 }
6381                 XMoveResizeWindow(display, win->id,
6382                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6383 #endif
6384         case XA_WM_CLASS:
6385                 if (title_name_enabled || title_class_enabled)
6386                         bar_update();
6387                 break;
6388         case XA_WM_NAME:
6389                 if (window_name_enabled)
6390                         bar_update();
6391                 break;
6392         default:
6393                 break;
6394         }
6395 }
6396
6397 void
6398 unmapnotify(XEvent *e)
6399 {
6400         struct ws_win           *win;
6401
6402         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
6403
6404         /* determine if we need to help unmanage this window */
6405         win = find_window(e->xunmap.window);
6406         if (win == NULL)
6407                 return;
6408
6409         if (getstate(e->xunmap.window) == NormalState) {
6410                 unmanage_window(win);
6411                 stack();
6412
6413                 /* giant hack for apps that don't destroy transient windows */
6414                 /* eat a bunch of events to prevent remanaging the window */
6415                 XEvent                  cne;
6416                 while (XCheckWindowEvent(display, e->xunmap.window,
6417                     EnterWindowMask, &cne))
6418                         ;
6419                 while (XCheckWindowEvent(display, e->xunmap.window,
6420                     StructureNotifyMask, &cne))
6421                         ;
6422                 while (XCheckWindowEvent(display, e->xunmap.window,
6423                     SubstructureNotifyMask, &cne))
6424                         ;
6425                 /* resend unmap because we ated it */
6426                 XUnmapWindow(display, e->xunmap.window);
6427         }
6428
6429         if (focus_mode == SWM_FOCUS_DEFAULT)
6430                 drain_enter_notify();
6431 }
6432
6433 void
6434 visibilitynotify(XEvent *e)
6435 {
6436         int                     i;
6437         struct swm_region       *r;
6438
6439         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
6440             e->xvisibility.window);
6441         if (e->xvisibility.state == VisibilityUnobscured)
6442                 for (i = 0; i < ScreenCount(display); i++)
6443                         TAILQ_FOREACH(r, &screens[i].rl, entry)
6444                                 if (e->xvisibility.window == r->bar_window)
6445                                         bar_update();
6446 }
6447
6448 void
6449 clientmessage(XEvent *e)
6450 {
6451         XClientMessageEvent *ev;
6452         struct ws_win *win;
6453
6454         ev = &e->xclient;
6455
6456         win = find_window(ev->window);
6457         if (win == NULL)
6458                 return;
6459
6460         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
6461             ev->window, ev->message_type);
6462
6463         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6464                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
6465                 focus_win(win);
6466         }
6467         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6468                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
6469                 if (win->can_delete)
6470                         client_msg(win, adelete);
6471                 else
6472                         XKillClient(display, win->id);
6473         }
6474         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6475                 DNPRINTF(SWM_D_EVENT,
6476                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
6477                 if (win->floating) {
6478                         if (ev->data.l[0] & (1<<8)) /* x */
6479                                 X(win) = ev->data.l[1];
6480                         if (ev->data.l[0] & (1<<9)) /* y */
6481                                 Y(win) = ev->data.l[2];
6482                         if (ev->data.l[0] & (1<<10)) /* width */
6483                                 WIDTH(win) = ev->data.l[3];
6484                         if (ev->data.l[0] & (1<<11)) /* height */
6485                                 HEIGHT(win) = ev->data.l[4];
6486
6487                         update_window(win);
6488                 }
6489                 else {
6490                         /* TODO: Change stack sizes */
6491                         /* notify no change was made. */
6492                         config_win(win, NULL);
6493                 }
6494         }
6495         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
6496                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
6497                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
6498                 if (ev->data.l[2])
6499                         ewmh_update_win_state(win, ev->data.l[2],
6500                             ev->data.l[0]);
6501
6502                 stack();
6503         }
6504 }
6505
6506 int
6507 xerror_start(Display *d, XErrorEvent *ee)
6508 {
6509         other_wm = 1;
6510         return (-1);
6511 }
6512
6513 int
6514 xerror(Display *d, XErrorEvent *ee)
6515 {
6516         /* fprintf(stderr, "error: %p %p\n", display, ee); */
6517         return (-1);
6518 }
6519
6520 int
6521 active_wm(void)
6522 {
6523         other_wm = 0;
6524         xerrorxlib = XSetErrorHandler(xerror_start);
6525
6526         /* this causes an error if some other window manager is running */
6527         XSelectInput(display, DefaultRootWindow(display),
6528             SubstructureRedirectMask);
6529         XSync(display, False);
6530         if (other_wm)
6531                 return (1);
6532
6533         XSetErrorHandler(xerror);
6534         XSync(display, False);
6535         return (0);
6536 }
6537
6538 void
6539 new_region(struct swm_screen *s, int x, int y, int w, int h)
6540 {
6541         struct swm_region       *r, *n;
6542         struct workspace        *ws = NULL;
6543         int                     i;
6544
6545         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6546              s->idx, w, h, x, y);
6547
6548         /* remove any conflicting regions */
6549         n = TAILQ_FIRST(&s->rl);
6550         while (n) {
6551                 r = n;
6552                 n = TAILQ_NEXT(r, entry);
6553                 if (X(r) < (x + w) &&
6554                     (X(r) + WIDTH(r)) > x &&
6555                     Y(r) < (y + h) &&
6556                     (Y(r) + HEIGHT(r)) > y) {
6557                         if (r->ws->r != NULL)
6558                                 r->ws->old_r = r->ws->r;
6559                         r->ws->r = NULL;
6560                         XDestroyWindow(display, r->bar_window);
6561                         TAILQ_REMOVE(&s->rl, r, entry);
6562                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6563                 }
6564         }
6565
6566         /* search old regions for one to reuse */
6567
6568         /* size + location match */
6569         TAILQ_FOREACH(r, &s->orl, entry)
6570                 if (X(r) == x && Y(r) == y &&
6571                     HEIGHT(r) == h && WIDTH(r) == w)
6572                         break;
6573
6574         /* size match */
6575         TAILQ_FOREACH(r, &s->orl, entry)
6576                 if (HEIGHT(r) == h && WIDTH(r) == w)
6577                         break;
6578
6579         if (r != NULL) {
6580                 TAILQ_REMOVE(&s->orl, r, entry);
6581                 /* try to use old region's workspace */
6582                 if (r->ws->r == NULL)
6583                         ws = r->ws;
6584         } else
6585                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6586                         err(1, "new_region: calloc: failed to allocate memory "
6587                             "for screen");
6588
6589         /* if we don't have a workspace already, find one */
6590         if (ws == NULL) {
6591                 for (i = 0; i < SWM_WS_MAX; i++)
6592                         if (s->ws[i].r == NULL) {
6593                                 ws = &s->ws[i];
6594                                 break;
6595                         }
6596         }
6597
6598         if (ws == NULL)
6599                 errx(1, "new_region: no free workspaces");
6600
6601         X(r) = x;
6602         Y(r) = y;
6603         WIDTH(r) = w;
6604         HEIGHT(r) = h;
6605         r->s = s;
6606         r->ws = ws;
6607         r->ws_prior = NULL;
6608         ws->r = r;
6609         outputs++;
6610         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6611 }
6612
6613 void
6614 scan_xrandr(int i)
6615 {
6616 #ifdef SWM_XRR_HAS_CRTC
6617         XRRCrtcInfo             *ci;
6618         XRRScreenResources      *sr;
6619         int                     c;
6620         int                     ncrtc = 0;
6621 #endif /* SWM_XRR_HAS_CRTC */
6622         struct swm_region       *r;
6623
6624
6625         if (i >= ScreenCount(display))
6626                 errx(1, "scan_xrandr: invalid screen");
6627
6628         /* remove any old regions */
6629         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6630                 r->ws->old_r = r->ws->r = NULL;
6631                 XDestroyWindow(display, r->bar_window);
6632                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6633                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6634         }
6635         outputs = 0;
6636
6637         /* map virtual screens onto physical screens */
6638 #ifdef SWM_XRR_HAS_CRTC
6639         if (xrandr_support) {
6640                 sr = XRRGetScreenResources(display, screens[i].root);
6641                 if (sr == NULL)
6642                         new_region(&screens[i], 0, 0,
6643                             DisplayWidth(display, i),
6644                             DisplayHeight(display, i));
6645                 else
6646                         ncrtc = sr->ncrtc;
6647
6648                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6649                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6650                         if (ci->noutput == 0)
6651                                 continue;
6652
6653                         if (ci != NULL && ci->mode == None)
6654                                 new_region(&screens[i], 0, 0,
6655                                     DisplayWidth(display, i),
6656                                     DisplayHeight(display, i));
6657                         else
6658                                 new_region(&screens[i],
6659                                     ci->x, ci->y, ci->width, ci->height);
6660                 }
6661                 if (ci)
6662                         XRRFreeCrtcInfo(ci);
6663                 XRRFreeScreenResources(sr);
6664         } else
6665 #endif /* SWM_XRR_HAS_CRTC */
6666         {
6667                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
6668                     DisplayHeight(display, i));
6669         }
6670 }
6671
6672 void
6673 screenchange(XEvent *e) {
6674         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
6675         struct swm_region               *r;
6676         int                             i;
6677
6678         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
6679
6680         if (!XRRUpdateConfiguration(e))
6681                 return;
6682
6683         /* silly event doesn't include the screen index */
6684         for (i = 0; i < ScreenCount(display); i++)
6685                 if (screens[i].root == xe->root)
6686                         break;
6687         if (i >= ScreenCount(display))
6688                 errx(1, "screenchange: screen not found");
6689
6690         /* brute force for now, just re-enumerate the regions */
6691         scan_xrandr(i);
6692
6693         /* add bars to all regions */
6694         for (i = 0; i < ScreenCount(display); i++)
6695                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6696                         bar_setup(r);
6697         stack();
6698         if (focus_mode == SWM_FOCUS_DEFAULT)
6699                 drain_enter_notify();
6700 }
6701
6702 void
6703 grab_windows(void)
6704 {
6705         Window                  d1, d2, *wins = NULL;
6706         XWindowAttributes       wa;
6707         unsigned int            no;
6708         int                     i, j;
6709         long                    state, manage;
6710
6711         for (i = 0; i < ScreenCount(display); i++) {
6712                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
6713                         continue;
6714
6715                 /* attach windows to a region */
6716                 /* normal windows */
6717                 for (j = 0; j < no; j++) {
6718                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6719                             wa.override_redirect ||
6720                             XGetTransientForHint(display, wins[j], &d1))
6721                                 continue;
6722
6723                         state = getstate(wins[j]);
6724                         manage = state == IconicState;
6725                         if (wa.map_state == IsViewable || manage)
6726                                 manage_window(wins[j]);
6727                 }
6728                 /* transient windows */
6729                 for (j = 0; j < no; j++) {
6730                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6731                             wa.override_redirect)
6732                                 continue;
6733
6734                         state = getstate(wins[j]);
6735                         manage = state == IconicState;
6736                         if (XGetTransientForHint(display, wins[j], &d1) &&
6737                             manage)
6738                                 manage_window(wins[j]);
6739                 }
6740                 if (wins) {
6741                         XFree(wins);
6742                         wins = NULL;
6743                 }
6744         }
6745 }
6746
6747 void
6748 setup_screens(void)
6749 {
6750         int                     i, j, k;
6751         int                     errorbase, major, minor;
6752         struct workspace        *ws;
6753         XGCValues               gcv;
6754
6755         if ((screens = calloc(ScreenCount(display),
6756              sizeof(struct swm_screen))) == NULL)
6757                 err(1, "setup_screens: calloc: failed to allocate memory for "
6758                     "screens");
6759
6760         /* initial Xrandr setup */
6761         xrandr_support = XRRQueryExtension(display,
6762             &xrandr_eventbase, &errorbase);
6763         if (xrandr_support)
6764                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6765                         xrandr_support = 0;
6766
6767         /* map physical screens */
6768         for (i = 0; i < ScreenCount(display); i++) {
6769                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
6770                 screens[i].idx = i;
6771                 TAILQ_INIT(&screens[i].rl);
6772                 TAILQ_INIT(&screens[i].orl);
6773                 screens[i].root = RootWindow(display, i);
6774
6775                 /* set default colors */
6776                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6777                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6778                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6779                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6780                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6781
6782                 /* create graphics context on screen with default font color */
6783                 screens[i].bar_gc = XCreateGC(display, screens[i].root, 0,
6784                     &gcv);
6785
6786                 XSetForeground(display, screens[i].bar_gc,
6787                     screens[i].c[SWM_S_COLOR_BAR_FONT].color);
6788
6789                 /* set default cursor */
6790                 XDefineCursor(display, screens[i].root,
6791                     XCreateFontCursor(display, XC_left_ptr));
6792
6793                 /* init all workspaces */
6794                 /* XXX these should be dynamically allocated too */
6795                 for (j = 0; j < SWM_WS_MAX; j++) {
6796                         ws = &screens[i].ws[j];
6797                         ws->idx = j;
6798                         ws->name = NULL;
6799                         ws->focus = NULL;
6800                         ws->r = NULL;
6801                         ws->old_r = NULL;
6802                         TAILQ_INIT(&ws->winlist);
6803                         TAILQ_INIT(&ws->unmanagedlist);
6804
6805                         for (k = 0; layouts[k].l_stack != NULL; k++)
6806                                 if (layouts[k].l_config != NULL)
6807                                         layouts[k].l_config(ws,
6808                                             SWM_ARG_ID_STACKINIT);
6809                         ws->cur_layout = &layouts[0];
6810                         ws->cur_layout->l_string(ws);
6811                 }
6812
6813                 scan_xrandr(i);
6814
6815                 if (xrandr_support)
6816                         XRRSelectInput(display, screens[i].root,
6817                             RRScreenChangeNotifyMask);
6818         }
6819 }
6820
6821 void
6822 setup_globals(void)
6823 {
6824         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
6825                 err(1, "setup_globals: strdup: failed to allocate memory.");
6826
6827         if ((spawn_term[0] = strdup("xterm")) == NULL)
6828                 err(1, "setup_globals: strdup: failed to allocate memory.");
6829
6830         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6831                 err(1, "setup_globals: strdup: failed to allocate memory.");
6832 }
6833
6834 void
6835 workaround(void)
6836 {
6837         int                     i;
6838         Atom                    netwmcheck, netwmname, utf8_string;
6839         Window                  root, win;
6840
6841         /* work around sun jdk bugs, code from wmname */
6842         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6843         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6844         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6845         for (i = 0; i < ScreenCount(display); i++) {
6846                 root = screens[i].root;
6847                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6848                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6849                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6850
6851                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6852                     PropModeReplace, (unsigned char *)&win,1);
6853                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6854                     PropModeReplace, (unsigned char *)&win,1);
6855                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6856                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6857         }
6858 }
6859
6860 int
6861 main(int argc, char *argv[])
6862 {
6863         struct swm_region       *r, *rr;
6864         struct ws_win           *winfocus = NULL;
6865         struct timeval          tv;
6866         union arg               a;
6867         char                    conf[PATH_MAX], *cfile = NULL;
6868         struct stat             sb;
6869         XEvent                  e;
6870         int                     xfd, i;
6871         fd_set                  rd;
6872         struct sigaction        sact;
6873
6874         start_argv = argv;
6875         fprintf(stderr, "Welcome to scrotwm V%s Build: %s\n",
6876             SCROTWM_VERSION, buildstr);
6877         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
6878             !XSupportsLocale())
6879                 warnx("no locale support");
6880
6881         if (!X_HAVE_UTF8_STRING)
6882                 warnx("no UTF-8 support");
6883
6884         if (!(display = XOpenDisplay(0)))
6885                 errx(1, "can not open display");
6886
6887         if (active_wm())
6888                 errx(1, "other wm running");
6889
6890         /* handle some signals */
6891         bzero(&sact, sizeof(sact));
6892         sigemptyset(&sact.sa_mask);
6893         sact.sa_flags = 0;
6894         sact.sa_handler = sighdlr;
6895         sigaction(SIGINT, &sact, NULL);
6896         sigaction(SIGQUIT, &sact, NULL);
6897         sigaction(SIGTERM, &sact, NULL);
6898         sigaction(SIGHUP, &sact, NULL);
6899
6900         sact.sa_handler = sighdlr;
6901         sact.sa_flags = SA_NOCLDSTOP;
6902         sigaction(SIGCHLD, &sact, NULL);
6903
6904         astate = XInternAtom(display, "WM_STATE", False);
6905         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6906         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6907         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6908         a_wmname = XInternAtom(display, "WM_NAME", False);
6909         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6910         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6911         a_string = XInternAtom(display, "STRING", False);
6912         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6913
6914         /* look for local and global conf file */
6915         pwd = getpwuid(getuid());
6916         if (pwd == NULL)
6917                 errx(1, "invalid user: %d", getuid());
6918
6919         setup_globals();
6920         setup_screens();
6921         setup_keys();
6922         setup_quirks();
6923         setup_spawn();
6924
6925         /* load config */
6926         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6927         if (stat(conf, &sb) != -1) {
6928                 if (S_ISREG(sb.st_mode))
6929                         cfile = conf;
6930         } else {
6931                 /* try global conf file */
6932                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6933                 if (!stat(conf, &sb))
6934                         if (S_ISREG(sb.st_mode))
6935                                 cfile = conf;
6936         }
6937
6938         /* load conf (if any) and refresh font color in bar graphics contexts */
6939         if (cfile && conf_load(cfile, SWM_CONF_DEFAULT) == 0)
6940                 for (i = 0; i < ScreenCount(display); ++i)
6941                         XSetForeground(display, screens[i].bar_gc,
6942                             screens[i].c[SWM_S_COLOR_BAR_FONT].color);
6943
6944         setup_ewmh();
6945         /* set some values to work around bad programs */
6946         workaround();
6947         /* grab existing windows (before we build the bars) */
6948         grab_windows();
6949
6950         if (getenv("SWM_STARTED") == NULL)
6951                 setenv("SWM_STARTED", "YES", 1);
6952
6953         /* setup all bars */
6954         for (i = 0; i < ScreenCount(display); i++)
6955                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6956                         if (winfocus == NULL)
6957                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6958                         bar_setup(r);
6959                 }
6960
6961         unfocus_all();
6962
6963         grabkeys();
6964         stack();
6965         if (focus_mode == SWM_FOCUS_DEFAULT)
6966                 drain_enter_notify();
6967
6968         xfd = ConnectionNumber(display);
6969         while (running) {
6970                 while (XPending(display)) {
6971                         XNextEvent(display, &e);
6972                         if (running == 0)
6973                                 goto done;
6974                         if (e.type < LASTEvent) {
6975                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
6976                                     "window: 0x%lx, type: %s (%d), %d remaining"
6977                                     "\n", YESNO(handler[e.type]),
6978                                     e.xany.window, geteventname(&e),
6979                                     e.type, QLength(display));
6980
6981                                 if (handler[e.type])
6982                                         handler[e.type](&e);
6983                         } else {
6984                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
6985                                     "0x%lx, type: %s (%d)\n", e.xany.window,
6986                                     xrandr_geteventname(&e), e.type);
6987
6988                                 switch (e.type - xrandr_eventbase) {
6989                                 case RRScreenChangeNotify:
6990                                         screenchange(&e);
6991                                         break;
6992                                 default:
6993                                         break;
6994                                 }
6995                         }
6996                 }
6997
6998                 /* if we are being restarted go focus on first window */
6999                 if (winfocus) {
7000                         rr = winfocus->ws->r;
7001                         if (rr == NULL) {
7002                                 /* not a visible window */
7003                                 winfocus = NULL;
7004                                 continue;
7005                         }
7006                         /* move pointer to first screen if multi screen */
7007                         if (ScreenCount(display) > 1 || outputs > 1)
7008                                 XWarpPointer(display, None, rr->s[0].root,
7009                                     0, 0, 0, 0, X(rr),
7010                                     Y(rr) + (bar_enabled ? bar_height : 0));
7011
7012                         a.id = SWM_ARG_ID_FOCUSCUR;
7013                         focus(rr, &a);
7014                         winfocus = NULL;
7015                         continue;
7016                 }
7017
7018                 FD_ZERO(&rd);
7019                 FD_SET(xfd, &rd);
7020                 tv.tv_sec = 1;
7021                 tv.tv_usec = 0;
7022                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7023                         if (errno != EINTR)
7024                                 DNPRINTF(SWM_D_MISC, "select failed");
7025                 if (restart_wm == 1)
7026                         restart(NULL, NULL);
7027                 if (search_resp == 1)
7028                         search_do_resp();
7029                 if (running == 0)
7030                         goto done;
7031                 if (bar_alarm) {
7032                         bar_alarm = 0;
7033                         bar_update();
7034                 }
7035         }
7036 done:
7037         teardown_ewmh();
7038         bar_extra_stop();
7039
7040         for (i = 0; i < ScreenCount(display); ++i)
7041                 if (screens[i].bar_gc != NULL)
7042                         XFreeGC(display, screens[i].bar_gc);
7043
7044         XFreeFontSet(display, bar_fs);
7045         XCloseDisplay(display);
7046
7047         return (0);
7048 }