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
2489                 return;
2490         }
2491
2492         focus_magic(winfocus);
2493 }
2494
2495 void
2496 focus(struct swm_region *r, union arg *args)
2497 {
2498         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2499         struct ws_win           *cur_focus = NULL;
2500         struct ws_win_list      *wl = NULL;
2501         struct workspace        *ws = NULL;
2502         int                     all_iconics;
2503
2504         if (!(r && r->ws))
2505                 return;
2506
2507         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2508
2509         /* treat FOCUS_CUR special */
2510         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2511                 if (r->ws->focus && r->ws->focus->iconic == 0)
2512                         winfocus = r->ws->focus;
2513                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2514                         winfocus = r->ws->focus_prev;
2515                 else
2516                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2517                                 if (winfocus->iconic == 0)
2518                                         break;
2519
2520                 focus_magic(winfocus);
2521                 return;
2522         }
2523
2524         if ((cur_focus = r->ws->focus) == NULL)
2525                 return;
2526         ws = r->ws;
2527         wl = &ws->winlist;
2528         if (TAILQ_EMPTY(wl))
2529                 return;
2530         /* make sure there is at least one uniconified window */
2531         all_iconics = 1;
2532         TAILQ_FOREACH(winfocus, wl, entry)
2533                 if (winfocus->iconic == 0) {
2534                         all_iconics = 0;
2535                         break;
2536                 }
2537         if (all_iconics)
2538                 return;
2539
2540         winlostfocus = cur_focus;
2541
2542         switch (args->id) {
2543         case SWM_ARG_ID_FOCUSPREV:
2544                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2545                 if (head == NULL)
2546                         head = TAILQ_LAST(wl, ws_win_list);
2547                 winfocus = head;
2548                 if (WINID(winfocus) == cur_focus->transient) {
2549                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2550                         if (head == NULL)
2551                                 head = TAILQ_LAST(wl, ws_win_list);
2552                         winfocus = head;
2553                 }
2554
2555                 /* skip iconics */
2556                 if (winfocus && winfocus->iconic) {
2557                         while (winfocus != cur_focus) {
2558                                 if (winfocus == NULL)
2559                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2560                                 if (winfocus->iconic == 0)
2561                                         break;
2562                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2563                                     entry);
2564                         }
2565                 }
2566                 break;
2567
2568         case SWM_ARG_ID_FOCUSNEXT:
2569                 head = TAILQ_NEXT(cur_focus, entry);
2570                 if (head == NULL)
2571                         head = TAILQ_FIRST(wl);
2572                 winfocus = head;
2573
2574                 /* skip iconics */
2575                 if (winfocus && winfocus->iconic) {
2576                         while (winfocus != cur_focus) {
2577                                 if (winfocus == NULL)
2578                                         winfocus = TAILQ_FIRST(wl);
2579                                 if (winfocus->iconic == 0)
2580                                         break;
2581                                 winfocus = TAILQ_NEXT(winfocus, entry);
2582                         }
2583                 }
2584                 break;
2585
2586         case SWM_ARG_ID_FOCUSMAIN:
2587                 winfocus = TAILQ_FIRST(wl);
2588                 if (winfocus == cur_focus)
2589                         winfocus = cur_focus->ws->focus_prev;
2590                 break;
2591
2592         default:
2593                 return;
2594         }
2595         if (winfocus == winlostfocus || winfocus == NULL) {
2596                 /* update the bar so that title/class/name will be cleared. */
2597                 if (window_name_enabled || title_name_enabled ||
2598                     title_class_enabled)
2599                         bar_update();
2600
2601                 return;
2602         }
2603
2604         focus_magic(winfocus);
2605 }
2606
2607 void
2608 cycle_layout(struct swm_region *r, union arg *args)
2609 {
2610         struct workspace        *ws = r->ws;
2611         union arg               a;
2612
2613         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2614
2615         ws->cur_layout++;
2616         if (ws->cur_layout->l_stack == NULL)
2617                 ws->cur_layout = &layouts[0];
2618
2619         stack();
2620         if (focus_mode == SWM_FOCUS_DEFAULT)
2621                 drain_enter_notify();
2622         a.id = SWM_ARG_ID_FOCUSCUR;
2623         focus(r, &a);
2624         bar_update();
2625 }
2626
2627 void
2628 stack_config(struct swm_region *r, union arg *args)
2629 {
2630         struct workspace        *ws = r->ws;
2631
2632         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
2633             args->id, ws->idx);
2634
2635         if (ws->cur_layout->l_config != NULL)
2636                 ws->cur_layout->l_config(ws, args->id);
2637
2638         if (args->id != SWM_ARG_ID_STACKINIT)
2639                 stack();
2640         bar_update();
2641 }
2642
2643 void
2644 stack(void) {
2645         struct swm_geometry     g;
2646         struct swm_region       *r;
2647         int                     i;
2648 #ifdef SWM_DEBUG
2649         int j;
2650 #endif
2651
2652         DNPRINTF(SWM_D_STACK, "stack: begin\n");
2653
2654         for (i = 0; i < ScreenCount(display); i++) {
2655 #ifdef SWM_DEBUG
2656                 j = 0;
2657 #endif
2658                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2659                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
2660                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
2661
2662                         /* start with screen geometry, adjust for bar */
2663                         g = r->g;
2664                         g.w -= 2 * border_width;
2665                         g.h -= 2 * border_width;
2666                         if (bar_enabled) {
2667                                 if (!bar_at_bottom)
2668                                         g.y += bar_height;
2669                                 g.h -= bar_height;
2670                         }
2671                         r->ws->cur_layout->l_stack(r->ws, &g);
2672                         r->ws->cur_layout->l_string(r->ws);
2673                         /* save r so we can track region changes */
2674                         r->ws->old_r = r;
2675                 }
2676         }
2677         if (font_adjusted)
2678                 font_adjusted--;
2679
2680         if (focus_mode == SWM_FOCUS_DEFAULT)
2681                 drain_enter_notify();
2682
2683         DNPRINTF(SWM_D_STACK, "stack: end\n");
2684 }
2685
2686 void
2687 store_float_geom(struct ws_win *win, struct swm_region *r)
2688 {
2689         /* retain window geom and region geom */
2690         win->g_float = win->g;
2691         win->rg_float = r->g;
2692         win->g_floatvalid = 1;
2693 }
2694
2695 void
2696 stack_floater(struct ws_win *win, struct swm_region *r)
2697 {
2698         unsigned int            mask;
2699         XWindowChanges          wc;
2700
2701         if (win == NULL)
2702                 return;
2703
2704         bzero(&wc, sizeof wc);
2705         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2706
2707         /*
2708          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2709          * geom on ws switches or return from max mode
2710          */
2711         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2712             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2713                 /*
2714                  * use stored g and rg to set relative position and size
2715                  * as in old region or before max stack mode
2716                  */
2717                 X(win) = win->g_float.x - win->rg_float.x + X(r);
2718                 Y(win) = win->g_float.y - win->rg_float.y + Y(r);
2719                 WIDTH(win) = win->g_float.w;
2720                 HEIGHT(win) = win->g_float.h;
2721                 win->g_floatvalid = 0;
2722         }
2723
2724         win->floatmaxed = 0;
2725
2726         if ((win->quirks & SWM_Q_FULLSCREEN) && (WIDTH(win) >= WIDTH(r)) &&
2727             (HEIGHT(win) >= HEIGHT(r)))
2728                 wc.border_width = 0;
2729         else
2730                 wc.border_width = border_width;
2731         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2732                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
2733                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
2734         }
2735
2736         if (!win->manual) {
2737                 /*
2738                  * floaters and transients are auto-centred unless moved
2739                  * or resized
2740                  */
2741                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - wc.border_width;
2742                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - wc.border_width;
2743         }
2744
2745         /* win can be outside r if new r smaller than old r */
2746         /* Ensure top left corner inside r (move probs otherwise) */
2747         if (X(win) < X(r) - wc.border_width)
2748                 X(win) = X(r) - wc.border_width;
2749         if (X(win) > X(r) + WIDTH(r) - 1)
2750                 X(win) = (WIDTH(win) > WIDTH(r)) ? X(r) :
2751                     (X(r) + WIDTH(r) - WIDTH(win) - 2 * wc.border_width);
2752         if (Y(win) < Y(r) - wc.border_width)
2753                 Y(win) = Y(r) - wc.border_width;
2754         if (Y(win) > Y(r) + HEIGHT(r) - 1)
2755                 Y(win) = (HEIGHT(win) > HEIGHT(r)) ? Y(r) :
2756                     (Y(r) + HEIGHT(r) - HEIGHT(win) - 2 * wc.border_width);
2757
2758         wc.x = X(win);
2759         wc.y = Y(win);
2760         wc.width = WIDTH(win);
2761         wc.height = HEIGHT(win);
2762
2763         /*
2764          * Retain floater and transient geometry for correct positioning
2765          * when ws changes region
2766          */
2767         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2768                 store_float_geom(win, r);
2769
2770         DNPRINTF(SWM_D_MISC, "stack_floater: window: %lu, (x,y) w x h: (%d,%d) "
2771             "%d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
2772
2773         XConfigureWindow(display, win->id, mask, &wc);
2774 }
2775
2776 /*
2777  * Send keystrokes to terminal to decrease/increase the font size as the
2778  * window size changes.
2779  */
2780 void
2781 adjust_font(struct ws_win *win)
2782 {
2783         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2784             win->floating || win->transient)
2785                 return;
2786
2787         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2788             WIDTH(win) / win->sh.width_inc < term_width &&
2789             win->font_steps < SWM_MAX_FONT_STEPS) {
2790                 win->font_size_boundary[win->font_steps] =
2791                     (win->sh.width_inc * term_width) + win->sh.base_width;
2792                 win->font_steps++;
2793                 font_adjusted++;
2794                 win->last_inc = win->sh.width_inc;
2795                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2796         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2797             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
2798                 win->font_steps--;
2799                 font_adjusted++;
2800                 win->last_inc = win->sh.width_inc;
2801                 fake_keypress(win, XK_KP_Add, ShiftMask);
2802         }
2803 }
2804
2805 #define SWAPXY(g)       do {                            \
2806         int tmp;                                        \
2807         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2808         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2809 } while (0)
2810 void
2811 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2812 {
2813         XWindowChanges          wc;
2814         XWindowAttributes       wa;
2815         struct swm_geometry     win_g, r_g = *g;
2816         struct ws_win           *win, *fs_win = 0;
2817         int                     i, j, s, stacks;
2818         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2819         int                     hrh, extra = 0, h_slice, last_h = 0;
2820         int                     split, colno, winno, mwin, msize, mscale;
2821         int                     remain, missing, v_slice, reconfigure;
2822         unsigned int            mask;
2823
2824         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
2825             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
2826
2827         winno = count_win(ws, 0);
2828         if (winno == 0 && count_win(ws, 1) == 0)
2829                 return;
2830
2831         TAILQ_FOREACH(win, &ws->winlist, entry)
2832                 if (win->transient == 0 && win->floating == 0
2833                     && win->iconic == 0)
2834                         break;
2835
2836         if (win == NULL)
2837                 goto notiles;
2838
2839         if (rot) {
2840                 w_inc = win->sh.width_inc;
2841                 w_base = win->sh.base_width;
2842                 mwin = ws->l_state.horizontal_mwin;
2843                 mscale = ws->l_state.horizontal_msize;
2844                 stacks = ws->l_state.horizontal_stacks;
2845                 SWAPXY(&r_g);
2846         } else {
2847                 w_inc = win->sh.height_inc;
2848                 w_base = win->sh.base_height;
2849                 mwin = ws->l_state.vertical_mwin;
2850                 mscale = ws->l_state.vertical_msize;
2851                 stacks = ws->l_state.vertical_stacks;
2852         }
2853         win_g = r_g;
2854
2855         if (stacks > winno - mwin)
2856                 stacks = winno - mwin;
2857         if (stacks < 1)
2858                 stacks = 1;
2859
2860         h_slice = r_g.h / SWM_H_SLICE;
2861         if (mwin && winno > mwin) {
2862                 v_slice = r_g.w / SWM_V_SLICE;
2863
2864                 split = mwin;
2865                 colno = split;
2866                 win_g.w = v_slice * mscale;
2867
2868                 if (w_inc > 1 && w_inc < v_slice) {
2869                         /* adjust for window's requested size increment */
2870                         remain = (win_g.w - w_base) % w_inc;
2871                         missing = w_inc - remain;
2872                         win_g.w -= remain;
2873                         extra += remain;
2874                 }
2875
2876                 msize = win_g.w;
2877                 if (flip)
2878                         win_g.x += r_g.w - msize;
2879         } else {
2880                 msize = -2;
2881                 colno = split = winno / stacks;
2882                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2883                     2 * border_width) / stacks);
2884         }
2885         hrh = r_g.h / colno;
2886         extra = r_g.h - (colno * hrh);
2887         win_g.h = hrh - 2 * border_width;
2888
2889         /*  stack all the tiled windows */
2890         i = j = 0, s = stacks;
2891         TAILQ_FOREACH(win, &ws->winlist, entry) {
2892                 if (win->transient != 0 || win->floating != 0)
2893                         continue;
2894                 if (win->iconic != 0)
2895                         continue;
2896
2897                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2898                         fs_win = win;
2899                         continue;
2900                 }
2901
2902                 if (split && i == split) {
2903                         colno = (winno - mwin) / stacks;
2904                         if (s <= (winno - mwin) % stacks)
2905                                 colno++;
2906                         split = split + colno;
2907                         hrh = (r_g.h / colno);
2908                         extra = r_g.h - (colno * hrh);
2909                         if (flip)
2910                                 win_g.x = r_g.x;
2911                         else
2912                                 win_g.x += win_g.w + 2 * border_width;
2913                         win_g.w = (r_g.w - msize -
2914                             (stacks * 2 * border_width)) / stacks;
2915                         if (s == 1)
2916                                 win_g.w += (r_g.w - msize -
2917                                     (stacks * 2 * border_width)) % stacks;
2918                         s--;
2919                         j = 0;
2920                 }
2921                 win_g.h = hrh - 2 * border_width;
2922                 if (rot) {
2923                         h_inc = win->sh.width_inc;
2924                         h_base = win->sh.base_width;
2925                 } else {
2926                         h_inc = win->sh.height_inc;
2927                         h_base = win->sh.base_height;
2928                 }
2929                 if (j == colno - 1) {
2930                         win_g.h = hrh + extra;
2931                 } else if (h_inc > 1 && h_inc < h_slice) {
2932                         /* adjust for window's requested size increment */
2933                         remain = (win_g.h - h_base) % h_inc;
2934                         missing = h_inc - remain;
2935
2936                         if (missing <= extra || j == 0) {
2937                                 extra -= missing;
2938                                 win_g.h += missing;
2939                         } else {
2940                                 win_g.h -= remain;
2941                                 extra += remain;
2942                         }
2943                 }
2944
2945                 if (j == 0)
2946                         win_g.y = r_g.y;
2947                 else
2948                         win_g.y += last_h + 2 * border_width;
2949
2950                 bzero(&wc, sizeof wc);
2951                 if (disable_border && bar_enabled == 0 && winno == 1){
2952                         wc.border_width = 0;
2953                         win_g.w += 2 * border_width;
2954                         win_g.h += 2 * border_width;
2955                 } else
2956                         wc.border_width = border_width;
2957                 reconfigure = 0;
2958                 if (rot) {
2959                         if (X(win) != win_g.y || Y(win) != win_g.x ||
2960                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
2961                                 reconfigure = 1;
2962                                 X(win) = wc.x = win_g.y;
2963                                 Y(win) = wc.y = win_g.x;
2964                                 WIDTH(win) = wc.width = win_g.h;
2965                                 HEIGHT(win) = wc.height = win_g.w;
2966                         }
2967                 } else {
2968                         if (X(win) != win_g.x || Y(win) != win_g.y ||
2969                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
2970                                 reconfigure = 1;
2971                                 X(win) = wc.x = win_g.x;
2972                                 Y(win) = wc.y = win_g.y;
2973                                 WIDTH(win) = wc.width = win_g.w;
2974                                 HEIGHT(win) = wc.height = win_g.h;
2975                         }
2976                 }
2977                 if (reconfigure) {
2978                         adjust_font(win);
2979                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2980                         XConfigureWindow(display, win->id, mask, &wc);
2981                 }
2982
2983                 if (XGetWindowAttributes(display, win->id, &wa))
2984                         if (wa.map_state == IsUnmapped)
2985                                 XMapRaised(display, win->id);
2986
2987                 last_h = win_g.h;
2988                 i++;
2989                 j++;
2990         }
2991
2992 notiles:
2993         /* now, stack all the floaters and transients */
2994         TAILQ_FOREACH(win, &ws->winlist, entry) {
2995                 if (win->transient == 0 && win->floating == 0)
2996                         continue;
2997                 if (win->iconic == 1)
2998                         continue;
2999                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3000                         fs_win = win;
3001                         continue;
3002                 }
3003
3004                 stack_floater(win, ws->r);
3005                 XMapRaised(display, win->id);
3006         }
3007
3008         if (fs_win) {
3009                 stack_floater(fs_win, ws->r);
3010                 XMapRaised(display, fs_win->id);
3011         }
3012 }
3013
3014 void
3015 vertical_config(struct workspace *ws, int id)
3016 {
3017         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3018             id, ws->idx);
3019
3020         switch (id) {
3021         case SWM_ARG_ID_STACKRESET:
3022         case SWM_ARG_ID_STACKINIT:
3023                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3024                 ws->l_state.vertical_mwin = 1;
3025                 ws->l_state.vertical_stacks = 1;
3026                 break;
3027         case SWM_ARG_ID_MASTERSHRINK:
3028                 if (ws->l_state.vertical_msize > 1)
3029                         ws->l_state.vertical_msize--;
3030                 break;
3031         case SWM_ARG_ID_MASTERGROW:
3032                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3033                         ws->l_state.vertical_msize++;
3034                 break;
3035         case SWM_ARG_ID_MASTERADD:
3036                 ws->l_state.vertical_mwin++;
3037                 break;
3038         case SWM_ARG_ID_MASTERDEL:
3039                 if (ws->l_state.vertical_mwin > 0)
3040                         ws->l_state.vertical_mwin--;
3041                 break;
3042         case SWM_ARG_ID_STACKINC:
3043                 ws->l_state.vertical_stacks++;
3044                 break;
3045         case SWM_ARG_ID_STACKDEC:
3046                 if (ws->l_state.vertical_stacks > 1)
3047                         ws->l_state.vertical_stacks--;
3048                 break;
3049         default:
3050                 return;
3051         }
3052 }
3053
3054 void
3055 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3056 {
3057         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3058
3059         stack_master(ws, g, 0, 0);
3060 }
3061
3062 void
3063 horizontal_config(struct workspace *ws, int id)
3064 {
3065         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3066
3067         switch (id) {
3068         case SWM_ARG_ID_STACKRESET:
3069         case SWM_ARG_ID_STACKINIT:
3070                 ws->l_state.horizontal_mwin = 1;
3071                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3072                 ws->l_state.horizontal_stacks = 1;
3073                 break;
3074         case SWM_ARG_ID_MASTERSHRINK:
3075                 if (ws->l_state.horizontal_msize > 1)
3076                         ws->l_state.horizontal_msize--;
3077                 break;
3078         case SWM_ARG_ID_MASTERGROW:
3079                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3080                         ws->l_state.horizontal_msize++;
3081                 break;
3082         case SWM_ARG_ID_MASTERADD:
3083                 ws->l_state.horizontal_mwin++;
3084                 break;
3085         case SWM_ARG_ID_MASTERDEL:
3086                 if (ws->l_state.horizontal_mwin > 0)
3087                         ws->l_state.horizontal_mwin--;
3088                 break;
3089         case SWM_ARG_ID_STACKINC:
3090                 ws->l_state.horizontal_stacks++;
3091                 break;
3092         case SWM_ARG_ID_STACKDEC:
3093                 if (ws->l_state.horizontal_stacks > 1)
3094                         ws->l_state.horizontal_stacks--;
3095                 break;
3096         default:
3097                 return;
3098         }
3099 }
3100
3101 void
3102 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3103 {
3104         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3105
3106         stack_master(ws, g, 1, 0);
3107 }
3108
3109 /* fullscreen view */
3110 void
3111 max_stack(struct workspace *ws, struct swm_geometry *g)
3112 {
3113         XWindowChanges          wc;
3114         struct swm_geometry     gg = *g;
3115         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3116         unsigned int            mask;
3117         int                     winno;
3118
3119         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3120
3121         if (ws == NULL)
3122                 return;
3123
3124         winno = count_win(ws, 0);
3125         if (winno == 0 && count_win(ws, 1) == 0)
3126                 return;
3127
3128         TAILQ_FOREACH(win, &ws->winlist, entry) {
3129                 if (win->transient) {
3130                         wintrans = win;
3131                         parent = find_window(win->transient);
3132                         continue;
3133                 }
3134
3135                 if (win->floating && win->floatmaxed == 0 ) {
3136                         /*
3137                          * retain geometry for retrieval on exit from
3138                          * max_stack mode
3139                          */
3140                         store_float_geom(win, ws->r);
3141                         win->floatmaxed = 1;
3142                 }
3143
3144                 /* only reconfigure if necessary */
3145                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3146                     HEIGHT(win) != gg.h) {
3147                         bzero(&wc, sizeof wc);
3148                         X(win) = wc.x = gg.x;
3149                         Y(win) = wc.y = gg.y;
3150                         if (bar_enabled){
3151                                 wc.border_width = border_width;
3152                                 WIDTH(win) = wc.width = gg.w;
3153                                 HEIGHT(win) = wc.height = gg.h;
3154                         } else {
3155                                 wc.border_width = 0;
3156                                 WIDTH(win) = wc.width = gg.w + 2 * border_width;
3157                                 HEIGHT(win) = wc.height = gg.h +
3158                                     2 * border_width;
3159                         }
3160                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3161                         XConfigureWindow(display, win->id, mask, &wc);
3162                 }
3163                 /* unmap only if we don't have multi screen */
3164                 if (win != ws->focus)
3165                         if (!(ScreenCount(display) > 1 || outputs > 1))
3166                                 unmap_window(win);
3167         }
3168
3169         /* put the last transient on top */
3170         if (wintrans) {
3171                 if (parent)
3172                         XMapRaised(display, parent->id);
3173                 stack_floater(wintrans, ws->r);
3174                 focus_magic(wintrans);
3175         }
3176 }
3177
3178 void
3179 send_to_ws(struct swm_region *r, union arg *args)
3180 {
3181         int                     wsid = args->id;
3182         struct ws_win           *win = NULL, *parent;
3183         struct workspace        *ws, *nws;
3184         Atom                    ws_idx_atom = 0;
3185         unsigned char           ws_idx_str[SWM_PROPLEN];
3186         union arg               a;
3187
3188         if (r && r->ws && r->ws->focus)
3189                 win = r->ws->focus;
3190         else
3191                 return;
3192         if (win == NULL)
3193                 return;
3194         if (win->ws->idx == wsid)
3195                 return;
3196
3197         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3198
3199         ws = win->ws;
3200         nws = &win->s->ws[wsid];
3201
3202         a.id = SWM_ARG_ID_FOCUSPREV;
3203         focus(r, &a);
3204         if (win->transient) {
3205                 parent = find_window(win->transient);
3206                 if (parent) {
3207                         unmap_window(parent);
3208                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3209                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3210                         parent->ws = nws;
3211                 }
3212         }
3213         unmap_window(win);
3214         TAILQ_REMOVE(&ws->winlist, win, entry);
3215         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3216         if (TAILQ_EMPTY(&ws->winlist))
3217                 r->ws->focus = NULL;
3218         win->ws = nws;
3219
3220         /* Try to update the window's workspace property */
3221         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3222         if (ws_idx_atom &&
3223             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3224                 SWM_PROPLEN) {
3225                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3226                     ws_idx_str);
3227                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3228                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3229         }
3230
3231         stack();
3232 }
3233
3234 void
3235 pressbutton(struct swm_region *r, union arg *args)
3236 {
3237         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3238         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3239 }
3240
3241 void
3242 raise_toggle(struct swm_region *r, union arg *args)
3243 {
3244         if (r && r->ws == NULL)
3245                 return;
3246
3247         r->ws->always_raise = !r->ws->always_raise;
3248
3249         /* bring floaters back to top */
3250         if (r->ws->always_raise == 0)
3251                 stack();
3252 }
3253
3254 void
3255 iconify(struct swm_region *r, union arg *args)
3256 {
3257         union arg a;
3258
3259         if (r->ws->focus == NULL)
3260                 return;
3261         unmap_window(r->ws->focus);
3262         update_iconic(r->ws->focus, 1);
3263         stack();
3264         if (focus_mode == SWM_FOCUS_DEFAULT)
3265                 drain_enter_notify();
3266         r->ws->focus = NULL;
3267         a.id = SWM_ARG_ID_FOCUSCUR;
3268         focus(r, &a);
3269 }
3270
3271 unsigned char *
3272 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3273     unsigned long *slen)
3274 {
3275         int                     status, retfmt;
3276         unsigned long           nitems, nbytes, nextra;
3277         unsigned char           *prop = NULL;
3278         Atom                    rettype;
3279
3280         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3281             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3282         if (status != Success)
3283                 return (NULL);
3284         XFree(prop);
3285
3286         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3287             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3288         if (status != Success) {
3289                 XFree(prop);
3290                 return (NULL);
3291         }
3292         if (rettype != stype) {
3293                 XFree(prop);
3294                 return (NULL);
3295         }
3296         *slen = nitems;
3297         return (prop);
3298 }
3299
3300 void
3301 uniconify(struct swm_region *r, union arg *args)
3302 {
3303         struct ws_win           *win;
3304         FILE                    *lfile;
3305         unsigned char           *name;
3306         int                     count = 0;
3307         unsigned long           len;
3308
3309         DNPRINTF(SWM_D_MISC, "uniconify\n");
3310
3311         if (r && r->ws == NULL)
3312                 return;
3313
3314         /* make sure we have anything to uniconify */
3315         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3316                 if (win->ws == NULL)
3317                         continue; /* should never happen */
3318                 if (win->iconic == 0)
3319                         continue;
3320                 count++;
3321         }
3322         if (count == 0)
3323                 return;
3324
3325         search_r = r;
3326         search_resp_action = SWM_SEARCH_UNICONIFY;
3327
3328         spawn_select(r, args, "search", &searchpid);
3329
3330         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3331                 return;
3332
3333         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3334                 if (win->ws == NULL)
3335                         continue; /* should never happen */
3336                 if (win->iconic == 0)
3337                         continue;
3338
3339                 name = get_win_name(display, win->id, a_netwmname,
3340                     a_utf8_string, &len);
3341                 if (name == NULL)
3342                         continue;
3343                 fprintf(lfile, "%s.%lu\n", name, win->id);
3344                 XFree(name);
3345         }
3346
3347         fclose(lfile);
3348 }
3349
3350 void
3351 name_workspace(struct swm_region *r, union arg *args)
3352 {
3353         FILE                    *lfile;
3354
3355         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3356
3357         if (r == NULL)
3358                 return;
3359
3360         search_r = r;
3361         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3362
3363         spawn_select(r, args, "name_workspace", &searchpid);
3364
3365         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3366                 return;
3367
3368         fprintf(lfile, "%s", "");
3369         fclose(lfile);
3370 }
3371
3372 void
3373 search_workspace(struct swm_region *r, union arg *args)
3374 {
3375         int                     i;
3376         struct workspace        *ws;
3377         FILE                    *lfile;
3378
3379         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3380
3381         if (r == NULL)
3382                 return;
3383
3384         search_r = r;
3385         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3386
3387         spawn_select(r, args, "search", &searchpid);
3388
3389         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3390                 return;
3391
3392         for (i = 0; i < SWM_WS_MAX; i++) {
3393                 ws = &r->s->ws[i];
3394                 if (ws == NULL)
3395                         continue;
3396                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3397                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3398         }
3399
3400         fclose(lfile);
3401 }
3402
3403 void
3404 search_win_cleanup(void)
3405 {
3406         struct search_window    *sw = NULL;
3407
3408         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3409                 XDestroyWindow(display, sw->indicator);
3410                 XFreeGC(display, sw->gc);
3411                 TAILQ_REMOVE(&search_wl, sw, entry);
3412                 free(sw);
3413         }
3414 }
3415
3416 void
3417 search_win(struct swm_region *r, union arg *args)
3418 {
3419         struct ws_win           *win = NULL;
3420         struct search_window    *sw = NULL;
3421         Window                  w;
3422         XGCValues               gcv;
3423         int                     i;
3424         char                    s[8];
3425         FILE                    *lfile;
3426         size_t                  len;
3427         XRectangle              ibox, lbox;
3428
3429         DNPRINTF(SWM_D_MISC, "search_win\n");
3430
3431         search_r = r;
3432         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3433
3434         spawn_select(r, args, "search", &searchpid);
3435
3436         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3437                 return;
3438
3439         TAILQ_INIT(&search_wl);
3440
3441         i = 1;
3442         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3443                 if (win->iconic == 1)
3444                         continue;
3445
3446                 sw = calloc(1, sizeof(struct search_window));
3447                 if (sw == NULL) {
3448                         fprintf(stderr, "search_win: calloc: %s",
3449                             strerror(errno));
3450                         fclose(lfile);
3451                         search_win_cleanup();
3452                         return;
3453                 }
3454                 sw->idx = i;
3455                 sw->win = win;
3456
3457                 snprintf(s, sizeof s, "%d", i);
3458                 len = strlen(s);
3459
3460                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3461
3462                 w = XCreateSimpleWindow(display,
3463                     win->id, 0, 0,lbox.width + 4,
3464                     bar_fs_extents->max_logical_extent.height, 1,
3465                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3466                     r->s->c[SWM_S_COLOR_FOCUS].color);
3467
3468                 sw->indicator = w;
3469                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3470
3471                 sw->gc = XCreateGC(display, w, 0, &gcv);
3472                 XMapRaised(display, w);
3473                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3474
3475                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3476                     (bar_fs_extents->max_logical_extent.height -
3477                     lbox.height) / 2 - lbox.y, s, len);
3478
3479                 fprintf(lfile, "%d\n", i);
3480                 i++;
3481         }
3482
3483         fclose(lfile);
3484 }
3485
3486 void
3487 search_resp_uniconify(char *resp, unsigned long len)
3488 {
3489         unsigned char           *name;
3490         struct ws_win           *win;
3491         char                    *s;
3492
3493         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3494
3495         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3496                 if (win->iconic == 0)
3497                         continue;
3498                 name = get_win_name(display, win->id, a_netwmname,
3499                     a_utf8_string, &len);
3500                 if (name == NULL)
3501                         continue;
3502                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3503                         XFree(name);
3504                         continue;
3505                 }
3506                 XFree(name);
3507                 if (strncmp(s, resp, len) == 0) {
3508                         /* XXX this should be a callback to generalize */
3509                         update_iconic(win, 0);
3510                         free(s);
3511                         break;
3512                 }
3513                 free(s);
3514         }
3515 }
3516
3517 void
3518 search_resp_name_workspace(char *resp, unsigned long len)
3519 {
3520         struct workspace        *ws;
3521
3522         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3523
3524         if (search_r->ws == NULL)
3525                 return;
3526         ws = search_r->ws;
3527
3528         if (ws->name) {
3529                 free(search_r->ws->name);
3530                 search_r->ws->name = NULL;
3531         }
3532
3533         if (len > 1) {
3534                 ws->name = strdup(resp);
3535                 if (ws->name == NULL) {
3536                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3537                             "strdup: %s", strerror(errno));
3538                         return;
3539                 }
3540         }
3541 }
3542
3543 void
3544 search_resp_search_workspace(char *resp, unsigned long len)
3545 {
3546         char                    *p, *q;
3547         int                     ws_idx;
3548         const char              *errstr;
3549         union arg               a;
3550
3551         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3552
3553         q = strdup(resp);
3554         if (!q) {
3555                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3556                     strerror(errno));
3557                 return;
3558         }
3559         p = strchr(q, ':');
3560         if (p != NULL)
3561                 *p = '\0';
3562         ws_idx = strtonum(q, 1, SWM_WS_MAX, &errstr);
3563         if (errstr) {
3564                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3565                     errstr, q);
3566                 free(q);
3567                 return;
3568         }
3569         free(q);
3570         a.id = ws_idx - 1;
3571         switchws(search_r, &a);
3572 }
3573
3574 void
3575 search_resp_search_window(char *resp, unsigned long len)
3576 {
3577         char                    *s;
3578         int                     idx;
3579         const char              *errstr;
3580         struct search_window    *sw;
3581
3582         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3583
3584         s = strdup(resp);
3585         if (!s) {
3586                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3587                     strerror(errno));
3588                 return;
3589         }
3590
3591         idx = strtonum(s, 1, INT_MAX, &errstr);
3592         if (errstr) {
3593                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3594                     errstr, s);
3595                 free(s);
3596                 return;
3597         }
3598         free(s);
3599
3600         TAILQ_FOREACH(sw, &search_wl, entry)
3601                 if (idx == sw->idx) {
3602                         focus_win(sw->win);
3603                         break;
3604                 }
3605 }
3606
3607 #define MAX_RESP_LEN    1024
3608
3609 void
3610 search_do_resp(void)
3611 {
3612         ssize_t                 rbytes;
3613         char                    *resp;
3614         unsigned long           len;
3615
3616         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3617
3618         search_resp = 0;
3619         searchpid = 0;
3620
3621         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3622                 fprintf(stderr, "search: calloc\n");
3623                 goto done;
3624         }
3625
3626         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3627         if (rbytes <= 0) {
3628                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3629                 goto done;
3630         }
3631         resp[rbytes] = '\0';
3632
3633         /* XXX:
3634          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3635          * newline, so work around that by sanitizing the resp now.
3636          */
3637         resp[strcspn(resp, "\n")] = '\0';
3638         len = strlen(resp);
3639
3640         switch (search_resp_action) {
3641         case SWM_SEARCH_UNICONIFY:
3642                 search_resp_uniconify(resp, len);
3643                 break;
3644         case SWM_SEARCH_NAME_WORKSPACE:
3645                 search_resp_name_workspace(resp, len);
3646                 break;
3647         case SWM_SEARCH_SEARCH_WORKSPACE:
3648                 search_resp_search_workspace(resp, len);
3649                 break;
3650         case SWM_SEARCH_SEARCH_WINDOW:
3651                 search_resp_search_window(resp, len);
3652                 break;
3653         }
3654
3655 done:
3656         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
3657                 search_win_cleanup();
3658
3659         search_resp_action = SWM_SEARCH_NONE;
3660         close(select_resp_pipe[0]);
3661         free(resp);
3662 }
3663
3664 void
3665 wkill(struct swm_region *r, union arg *args)
3666 {
3667         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
3668
3669         if (r->ws->focus == NULL)
3670                 return;
3671
3672         if (args->id == SWM_ARG_ID_KILLWINDOW)
3673                 XKillClient(display, r->ws->focus->id);
3674         else
3675                 if (r->ws->focus->can_delete)
3676                         client_msg(r->ws->focus, adelete);
3677 }
3678
3679
3680 int
3681 floating_toggle_win(struct ws_win *win)
3682 {
3683         struct swm_region       *r;
3684
3685         if (win == NULL)
3686                 return 0;
3687
3688         if (!win->ws->r)
3689                 return 0;
3690
3691         r = win->ws->r;
3692
3693         /* reject floating toggles in max stack mode */
3694         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3695                 return 0;
3696
3697         if (win->floating) {
3698                 if (!win->floatmaxed) {
3699                         /* retain position for refloat */
3700                         store_float_geom(win, r);
3701                 }
3702                 win->floating = 0;
3703         } else {
3704                 if (win->g_floatvalid) {
3705                         /* refloat at last floating relative position */
3706                         X(win) = win->g_float.x - win->rg_float.x + X(r);
3707                         Y(win) = win->g_float.y - win->rg_float.y + Y(r);
3708                         WIDTH(win) = win->g_float.w;
3709                         HEIGHT(win) = win->g_float.h;
3710                 }
3711                 win->floating = 1;
3712         }
3713
3714         ewmh_update_actions(win);
3715
3716         return 1;
3717 }
3718
3719 void
3720 floating_toggle(struct swm_region *r, union arg *args)
3721 {
3722         struct ws_win           *win = r->ws->focus;
3723         union arg               a;
3724
3725         if (win == NULL)
3726                 return;
3727
3728         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3729             _NET_WM_STATE_TOGGLE);
3730
3731         stack();
3732         if (focus_mode == SWM_FOCUS_DEFAULT)
3733                 drain_enter_notify();
3734
3735         if (win == win->ws->focus) {
3736                 a.id = SWM_ARG_ID_FOCUSCUR;
3737                 focus(win->ws->r, &a);
3738         }
3739 }
3740
3741 void
3742 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
3743 {
3744         if (X(win) + WIDTH(win) > X(r) + WIDTH(r) - border_width) {
3745                 if (resizable)
3746                         WIDTH(win) = X(r) + WIDTH(r) - X(win) - border_width;
3747                 else
3748                         X(win) = X(r) + WIDTH(r) - WIDTH(win) - border_width;
3749         }
3750
3751         if (X(win) < X(r) - border_width) {
3752                 if (resizable)
3753                         WIDTH(win) -= X(r) - X(win) - border_width;
3754
3755                 X(win) = X(r) - border_width;
3756         }
3757
3758         if (Y(win) + HEIGHT(win) > Y(r) + HEIGHT(r) - border_width) {
3759                 if (resizable)
3760                         HEIGHT(win) = Y(r) + HEIGHT(r) - Y(win) - border_width;
3761                 else
3762                         Y(win) = Y(r) + HEIGHT(r) - HEIGHT(win) - border_width;
3763         }
3764
3765         if (Y(win) < Y(r) - border_width) {
3766                 if (resizable)
3767                         HEIGHT(win) -= Y(r) - Y(win) - border_width;
3768
3769                 Y(win) = Y(r) - border_width;
3770         }
3771
3772         if (WIDTH(win) < 1)
3773                 WIDTH(win) = 1;
3774         if (HEIGHT(win) < 1)
3775                 HEIGHT(win) = 1;
3776 }
3777
3778 void
3779 update_window(struct ws_win *win)
3780 {
3781         unsigned int            mask;
3782         XWindowChanges          wc;
3783
3784         bzero(&wc, sizeof wc);
3785         mask = CWBorderWidth | CWWidth | CWHeight | CWX | CWY;
3786         wc.border_width = border_width;
3787         wc.x = X(win);
3788         wc.y = Y(win);
3789         wc.width = WIDTH(win);
3790         wc.height = HEIGHT(win);
3791
3792         DNPRINTF(SWM_D_MISC, "update_window: window: 0x%lx, (x,y) w x h: "
3793             "(%d,%d) %d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
3794
3795         XConfigureWindow(display, win->id, mask, &wc);
3796 }
3797
3798 #define SWM_RESIZE_STEPS        (50)
3799
3800 void
3801 resize(struct ws_win *win, union arg *args)
3802 {
3803         XEvent                  ev;
3804         Time                    time = 0;
3805         struct swm_region       *r = NULL;
3806         int                     resize_step = 0;
3807         Window                  rr, cr;
3808         int                     x, y, wx, wy;
3809         unsigned int            mask;
3810         struct swm_geometry     g;
3811         int                     top = 0, left = 0;
3812         int                     dx, dy;
3813         Cursor                  cursor;
3814         unsigned int            shape; /* cursor style */
3815
3816         if (win == NULL)
3817                 return;
3818         r = win->ws->r;
3819
3820         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
3821             "transient: 0x%lx\n", win->id, YESNO(win->floating),
3822             win->transient);
3823
3824         if (!(win->transient != 0 || win->floating != 0))
3825                 return;
3826
3827         /* reject resizes in max mode for floaters (transient ok) */
3828         if (win->floatmaxed)
3829                 return;
3830
3831         win->manual = 1;
3832         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3833             _NET_WM_STATE_ADD);
3834
3835         stack();
3836
3837         switch (args->id) {
3838         case SWM_ARG_ID_WIDTHSHRINK:
3839                 WIDTH(win) -= SWM_RESIZE_STEPS;
3840                 resize_step = 1;
3841                 break;
3842         case SWM_ARG_ID_WIDTHGROW:
3843                 WIDTH(win) += SWM_RESIZE_STEPS;
3844                 resize_step = 1;
3845                 break;
3846         case SWM_ARG_ID_HEIGHTSHRINK:
3847                 HEIGHT(win) -= SWM_RESIZE_STEPS;
3848                 resize_step = 1;
3849                 break;
3850         case SWM_ARG_ID_HEIGHTGROW:
3851                 HEIGHT(win) += SWM_RESIZE_STEPS;
3852                 resize_step = 1;
3853                 break;
3854         default:
3855                 break;
3856         }
3857         if (resize_step) {
3858                 constrain_window(win, r, 1);
3859                 update_window(win);
3860                 store_float_geom(win,r);
3861                 return;
3862         }
3863
3864         if (focus_mode == SWM_FOCUS_DEFAULT)
3865                 drain_enter_notify();
3866
3867         /* get cursor offset from window root */
3868         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
3869             return;
3870
3871         g = win->g;
3872
3873         if (wx < WIDTH(win) / 2)
3874                 left = 1;
3875
3876         if (wy < HEIGHT(win) / 2)
3877                 top = 1;
3878
3879         if (args->id == SWM_ARG_ID_CENTER)
3880                 shape = XC_sizing;
3881         else if (top)
3882                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
3883         else
3884                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
3885
3886         cursor = XCreateFontCursor(display, shape);
3887
3888         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3889             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
3890                 XFreeCursor(display, cursor);
3891                 return;
3892         }
3893
3894         do {
3895                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3896                     SubstructureRedirectMask, &ev);
3897                 switch (ev.type) {
3898                 case ConfigureRequest:
3899                 case Expose:
3900                 case MapRequest:
3901                         handler[ev.type](&ev);
3902                         break;
3903                 case MotionNotify:
3904                         /* cursor offset/delta from start of the operation */
3905                         dx = ev.xmotion.x_root - x;
3906                         dy = ev.xmotion.y_root - y;
3907
3908                         /* vertical */
3909                         if (top)
3910                                 dy = -dy;
3911
3912                         if (args->id == SWM_ARG_ID_CENTER) {
3913                                 if (g.h / 2 + dy < 1)
3914                                         dy = 1 - g.h / 2;
3915
3916                                 Y(win) = g.y - dy;
3917                                 HEIGHT(win) = g.h + 2 * dy;
3918                         } else {
3919                                 if (g.h + dy < 1)
3920                                         dy = 1 - g.h;
3921
3922                                 if (top)
3923                                         Y(win) = g.y - dy;
3924
3925                                 HEIGHT(win) = g.h + dy;
3926                         }
3927
3928                         /* horizontal */
3929                         if (left)
3930                                 dx = -dx;
3931
3932                         if (args->id == SWM_ARG_ID_CENTER) {
3933                                 if (g.w / 2 + dx < 1)
3934                                         dx = 1 - g.w / 2;
3935
3936                                 X(win) = g.x - dx;
3937                                 WIDTH(win) = g.w + 2 * dx;
3938                         } else {
3939                                 if (g.w + dx < 1)
3940                                         dx = 1 - g.w;
3941
3942                                 if (left)
3943                                         X(win) = g.x - dx;
3944
3945                                 WIDTH(win) = g.w + dx;
3946                         }
3947
3948                         constrain_window(win, r, 1);
3949
3950                         /* not free, don't sync more than 120 times / second */
3951                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3952                                 time = ev.xmotion.time;
3953                                 XSync(display, False);
3954                                 update_window(win);
3955                         }
3956                         break;
3957                 }
3958         } while (ev.type != ButtonRelease);
3959         if (time) {
3960                 XSync(display, False);
3961                 update_window(win);
3962         }
3963         store_float_geom(win,r);
3964
3965         XUngrabPointer(display, CurrentTime);
3966         XFreeCursor(display, cursor);
3967
3968         /* drain events */
3969         drain_enter_notify();
3970 }
3971
3972 void
3973 resize_step(struct swm_region *r, union arg *args)
3974 {
3975         struct ws_win           *win = NULL;
3976
3977         if (r && r->ws && r->ws->focus)
3978                 win = r->ws->focus;
3979         else
3980                 return;
3981
3982         resize(win, args);
3983 }
3984
3985 #define SWM_MOVE_STEPS  (50)
3986
3987 void
3988 move(struct ws_win *win, union arg *args)
3989 {
3990         XEvent                  ev;
3991         Time                    time = 0;
3992         int                     move_step = 0;
3993         struct swm_region       *r = NULL;
3994
3995         Window                  rr, cr;
3996         int                     x, y, wx, wy;
3997         unsigned int            mask;
3998
3999         if (win == NULL)
4000                 return;
4001         r = win->ws->r;
4002
4003         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4004             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4005
4006         /* in max_stack mode should only move transients */
4007         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4008                 return;
4009
4010         win->manual = 1;
4011         if (win->floating == 0 && !win->transient) {
4012                 store_float_geom(win,r);
4013                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4014                     _NET_WM_STATE_ADD);
4015         }
4016         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4017             _NET_WM_STATE_ADD);
4018
4019         stack();
4020
4021         move_step = 0;
4022         switch (args->id) {
4023         case SWM_ARG_ID_MOVELEFT:
4024                 X(win) -= (SWM_MOVE_STEPS - border_width);
4025                 move_step = 1;
4026                 break;
4027         case SWM_ARG_ID_MOVERIGHT:
4028                 X(win) += (SWM_MOVE_STEPS - border_width);
4029                 move_step = 1;
4030                 break;
4031         case SWM_ARG_ID_MOVEUP:
4032                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4033                 move_step = 1;
4034                 break;
4035         case SWM_ARG_ID_MOVEDOWN:
4036                 Y(win) += (SWM_MOVE_STEPS - border_width);
4037                 move_step = 1;
4038                 break;
4039         default:
4040                 break;
4041         }
4042         if (move_step) {
4043                 constrain_window(win, r, 0);
4044                 update_window(win);
4045                 store_float_geom(win, r);
4046                 return;
4047         }
4048
4049         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4050             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4051             CurrentTime) != GrabSuccess)
4052                 return;
4053
4054         /* get cursor offset from window root */
4055         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4056             return;
4057
4058         do {
4059                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4060                     SubstructureRedirectMask, &ev);
4061                 switch (ev.type) {
4062                 case ConfigureRequest:
4063                 case Expose:
4064                 case MapRequest:
4065                         handler[ev.type](&ev);
4066                         break;
4067                 case MotionNotify:
4068                         X(win) = ev.xmotion.x_root - wx - border_width;
4069                         Y(win) = ev.xmotion.y_root - wy - border_width;
4070
4071                         constrain_window(win, r, 0);
4072
4073                         /* not free, don't sync more than 120 times / second */
4074                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4075                                 time = ev.xmotion.time;
4076                                 XSync(display, False);
4077                                 update_window(win);
4078                         }
4079                         break;
4080                 }
4081         } while (ev.type != ButtonRelease);
4082         if (time) {
4083                 XSync(display, False);
4084                 update_window(win);
4085         }
4086         store_float_geom(win,r);
4087         XUngrabPointer(display, CurrentTime);
4088
4089         /* drain events */
4090         drain_enter_notify();
4091 }
4092
4093 void
4094 move_step(struct swm_region *r, union arg *args)
4095 {
4096         struct ws_win           *win = NULL;
4097
4098         if (r && r->ws && r->ws->focus)
4099                 win = r->ws->focus;
4100         else
4101                 return;
4102
4103         if (!(win->transient != 0 || win->floating != 0))
4104                 return;
4105
4106         move(win, args);
4107 }
4108
4109
4110 /* user/key callable function IDs */
4111 enum keyfuncid {
4112         kf_cycle_layout,
4113         kf_stack_reset,
4114         kf_master_shrink,
4115         kf_master_grow,
4116         kf_master_add,
4117         kf_master_del,
4118         kf_stack_inc,
4119         kf_stack_dec,
4120         kf_swap_main,
4121         kf_focus_next,
4122         kf_focus_prev,
4123         kf_swap_next,
4124         kf_swap_prev,
4125         kf_spawn_term,
4126         kf_spawn_menu,
4127         kf_quit,
4128         kf_restart,
4129         kf_focus_main,
4130         kf_ws_1,
4131         kf_ws_2,
4132         kf_ws_3,
4133         kf_ws_4,
4134         kf_ws_5,
4135         kf_ws_6,
4136         kf_ws_7,
4137         kf_ws_8,
4138         kf_ws_9,
4139         kf_ws_10,
4140         kf_ws_next,
4141         kf_ws_prev,
4142         kf_ws_next_all,
4143         kf_ws_prev_all,
4144         kf_ws_prior,
4145         kf_screen_next,
4146         kf_screen_prev,
4147         kf_mvws_1,
4148         kf_mvws_2,
4149         kf_mvws_3,
4150         kf_mvws_4,
4151         kf_mvws_5,
4152         kf_mvws_6,
4153         kf_mvws_7,
4154         kf_mvws_8,
4155         kf_mvws_9,
4156         kf_mvws_10,
4157         kf_bar_toggle,
4158         kf_wind_kill,
4159         kf_wind_del,
4160         kf_screenshot_all,
4161         kf_screenshot_wind,
4162         kf_float_toggle,
4163         kf_version,
4164         kf_spawn_lock,
4165         kf_spawn_initscr,
4166         kf_spawn_custom,
4167         kf_iconify,
4168         kf_uniconify,
4169         kf_raise_toggle,
4170         kf_button2,
4171         kf_width_shrink,
4172         kf_width_grow,
4173         kf_height_shrink,
4174         kf_height_grow,
4175         kf_move_left,
4176         kf_move_right,
4177         kf_move_up,
4178         kf_move_down,
4179         kf_name_workspace,
4180         kf_search_workspace,
4181         kf_search_win,
4182         kf_dumpwins, /* MUST BE LAST */
4183         kf_invalid
4184 };
4185
4186 /* key definitions */
4187 void
4188 dummykeyfunc(struct swm_region *r, union arg *args)
4189 {
4190 };
4191
4192 void
4193 legacyfunc(struct swm_region *r, union arg *args)
4194 {
4195 };
4196
4197 struct keyfunc {
4198         char                    name[SWM_FUNCNAME_LEN];
4199         void                    (*func)(struct swm_region *r, union arg *);
4200         union arg               args;
4201 } keyfuncs[kf_invalid + 1] = {
4202         /* name                 function        argument */
4203         { "cycle_layout",       cycle_layout,   {0} },
4204         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4205         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4206         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4207         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4208         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4209         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4210         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4211         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4212         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4213         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4214         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4215         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4216         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
4217         { "spawn_menu",         legacyfunc,     {0} },
4218         { "quit",               quit,           {0} },
4219         { "restart",            restart,        {0} },
4220         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4221         { "ws_1",               switchws,       {.id = 0} },
4222         { "ws_2",               switchws,       {.id = 1} },
4223         { "ws_3",               switchws,       {.id = 2} },
4224         { "ws_4",               switchws,       {.id = 3} },
4225         { "ws_5",               switchws,       {.id = 4} },
4226         { "ws_6",               switchws,       {.id = 5} },
4227         { "ws_7",               switchws,       {.id = 6} },
4228         { "ws_8",               switchws,       {.id = 7} },
4229         { "ws_9",               switchws,       {.id = 8} },
4230         { "ws_10",              switchws,       {.id = 9} },
4231         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4232         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4233         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4234         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4235         { "ws_prior",           priorws,        {0} },
4236         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4237         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4238         { "mvws_1",             send_to_ws,     {.id = 0} },
4239         { "mvws_2",             send_to_ws,     {.id = 1} },
4240         { "mvws_3",             send_to_ws,     {.id = 2} },
4241         { "mvws_4",             send_to_ws,     {.id = 3} },
4242         { "mvws_5",             send_to_ws,     {.id = 4} },
4243         { "mvws_6",             send_to_ws,     {.id = 5} },
4244         { "mvws_7",             send_to_ws,     {.id = 6} },
4245         { "mvws_8",             send_to_ws,     {.id = 7} },
4246         { "mvws_9",             send_to_ws,     {.id = 8} },
4247         { "mvws_10",            send_to_ws,     {.id = 9} },
4248         { "bar_toggle",         bar_toggle,     {0} },
4249         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4250         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4251         { "screenshot_all",     legacyfunc,     {0} },
4252         { "screenshot_wind",    legacyfunc,     {0} },
4253         { "float_toggle",       floating_toggle,{0} },
4254         { "version",            version,        {0} },
4255         { "spawn_lock",         legacyfunc,     {0} },
4256         { "spawn_initscr",      legacyfunc,     {0} },
4257         { "spawn_custom",       dummykeyfunc,   {0} },
4258         { "iconify",            iconify,        {0} },
4259         { "uniconify",          uniconify,      {0} },
4260         { "raise_toggle",       raise_toggle,   {0} },
4261         { "button2",            pressbutton,    {2} },
4262         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4263         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4264         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4265         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4266         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4267         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4268         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4269         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4270         { "name_workspace",     name_workspace, {0} },
4271         { "search_workspace",   search_workspace,       {0} },
4272         { "search_win",         search_win,     {0} },
4273         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4274         { "invalid key func",   NULL,           {0} },
4275 };
4276 struct key {
4277         TAILQ_ENTRY(key)        entry;
4278         unsigned int            mod;
4279         KeySym                  keysym;
4280         enum keyfuncid          funcid;
4281         char                    *spawn_name;
4282 };
4283 TAILQ_HEAD(key_list, key);
4284 struct key_list                 keys = TAILQ_HEAD_INITIALIZER(keys);
4285
4286 /* mouse */
4287 enum { client_click, root_click };
4288 struct button {
4289         unsigned int            action;
4290         unsigned int            mask;
4291         unsigned int            button;
4292         void                    (*func)(struct ws_win *, union arg *);
4293         union arg               args;
4294 } buttons[] = {
4295           /* action     key             mouse button    func    args */
4296         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4297         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4298         { client_click, MODKEY,         Button1,        move,   {0} },
4299 };
4300
4301 void
4302 update_modkey(unsigned int mod)
4303 {
4304         int                     i;
4305         struct key              *kp;
4306
4307         mod_key = mod;
4308         TAILQ_FOREACH(kp, &keys, entry)
4309                 if (kp->mod & ShiftMask)
4310                         kp->mod = mod | ShiftMask;
4311                 else
4312                         kp->mod = mod;
4313
4314         for (i = 0; i < LENGTH(buttons); i++)
4315                 if (buttons[i].mask & ShiftMask)
4316                         buttons[i].mask = mod | ShiftMask;
4317                 else
4318                         buttons[i].mask = mod;
4319 }
4320
4321 /* spawn */
4322 struct spawn_prog {
4323         char                    *name;
4324         int                     argc;
4325         char                    **argv;
4326 };
4327
4328 int                             spawns_size = 0, spawns_length = 0;
4329 struct spawn_prog               *spawns = NULL;
4330
4331 int
4332 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4333     char ***ret_args)
4334 {
4335         struct spawn_prog       *prog = NULL;
4336         int                     i;
4337         char                    *ap, **real_args;
4338
4339         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4340
4341         /* find program */
4342         for (i = 0; i < spawns_length; i++) {
4343                 if (!strcasecmp(spawn_name, spawns[i].name))
4344                         prog = &spawns[i];
4345         }
4346         if (prog == NULL) {
4347                 fprintf(stderr, "spawn_custom: program %s not found\n",
4348                     spawn_name);
4349                 return (-1);
4350         }
4351
4352         /* make room for expanded args */
4353         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4354                 err(1, "spawn_custom: calloc real_args");
4355
4356         /* expand spawn_args into real_args */
4357         for (i = 0; i < prog->argc; i++) {
4358                 ap = prog->argv[i];
4359                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4360                 if (!strcasecmp(ap, "$bar_border")) {
4361                         if ((real_args[i] =
4362                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4363                             == NULL)
4364                                 err(1,  "spawn_custom border color");
4365                 } else if (!strcasecmp(ap, "$bar_color")) {
4366                         if ((real_args[i] =
4367                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4368                             == NULL)
4369                                 err(1, "spawn_custom bar color");
4370                 } else if (!strcasecmp(ap, "$bar_font")) {
4371                         if ((real_args[i] = strdup(bar_fonts))
4372                             == NULL)
4373                                 err(1, "spawn_custom bar fonts");
4374                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4375                         if ((real_args[i] =
4376                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4377                             == NULL)
4378                                 err(1, "spawn_custom color font");
4379                 } else if (!strcasecmp(ap, "$color_focus")) {
4380                         if ((real_args[i] =
4381                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4382                             == NULL)
4383                                 err(1, "spawn_custom color focus");
4384                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4385                         if ((real_args[i] =
4386                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4387                             == NULL)
4388                                 err(1, "spawn_custom color unfocus");
4389                 } else {
4390                         /* no match --> copy as is */
4391                         if ((real_args[i] = strdup(ap)) == NULL)
4392                                 err(1, "spawn_custom strdup(ap)");
4393                 }
4394                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4395                     real_args[i]);
4396         }
4397
4398 #ifdef SWM_DEBUG
4399         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4400         for (i = 0; i < prog->argc; i++)
4401                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4402         DNPRINTF(SWM_D_SPAWN, "\n");
4403 #endif
4404         *ret_args = real_args;
4405         return (prog->argc);
4406 }
4407
4408 void
4409 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4410 {
4411         union arg               a;
4412         char                    **real_args;
4413         int                     spawn_argc, i;
4414
4415         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4416                 return;
4417         a.argv = real_args;
4418         if (fork() == 0)
4419                 spawn(r->ws->idx, &a, 1);
4420
4421         for (i = 0; i < spawn_argc; i++)
4422                 free(real_args[i]);
4423         free(real_args);
4424 }
4425
4426 void
4427 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4428 {
4429         union arg               a;
4430         char                    **real_args;
4431         int                     i, spawn_argc;
4432
4433         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4434                 return;
4435         a.argv = real_args;
4436
4437         if (pipe(select_list_pipe) == -1)
4438                 err(1, "pipe error");
4439         if (pipe(select_resp_pipe) == -1)
4440                 err(1, "pipe error");
4441
4442         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4443                 err(1, "could not disable SIGPIPE");
4444         switch (*pid = fork()) {
4445         case -1:
4446                 err(1, "cannot fork");
4447                 break;
4448         case 0: /* child */
4449                 if (dup2(select_list_pipe[0], 0) == -1)
4450                         err(1, "dup2");
4451                 if (dup2(select_resp_pipe[1], 1) == -1)
4452                         err(1, "dup2");
4453                 close(select_list_pipe[1]);
4454                 close(select_resp_pipe[0]);
4455                 spawn(r->ws->idx, &a, 0);
4456                 break;
4457         default: /* parent */
4458                 close(select_list_pipe[0]);
4459                 close(select_resp_pipe[1]);
4460                 break;
4461         }
4462
4463         for (i = 0; i < spawn_argc; i++)
4464                 free(real_args[i]);
4465         free(real_args);
4466 }
4467
4468 void
4469 setspawn(struct spawn_prog *prog)
4470 {
4471         int                     i, j;
4472
4473         if (prog == NULL || prog->name == NULL)
4474                 return;
4475
4476         /* find existing */
4477         for (i = 0; i < spawns_length; i++) {
4478                 if (!strcmp(spawns[i].name, prog->name)) {
4479                         /* found */
4480                         if (prog->argv == NULL) {
4481                                 /* delete */
4482                                 DNPRINTF(SWM_D_SPAWN,
4483                                     "setspawn: delete #%d: %s\n",
4484                                     i, spawns[i].name);
4485                                 free(spawns[i].name);
4486                                 for (j = 0; j < spawns[i].argc; j++)
4487                                         free(spawns[i].argv[j]);
4488                                 free(spawns[i].argv);
4489                                 j = spawns_length - 1;
4490                                 if (i < j)
4491                                         spawns[i] = spawns[j];
4492                                 spawns_length--;
4493                                 free(prog->name);
4494                         } else {
4495                                 /* replace */
4496                                 DNPRINTF(SWM_D_SPAWN,
4497                                     "setspawn: replace #%d: %s\n",
4498                                     i, spawns[i].name);
4499                                 free(spawns[i].name);
4500                                 for (j = 0; j < spawns[i].argc; j++)
4501                                         free(spawns[i].argv[j]);
4502                                 free(spawns[i].argv);
4503                                 spawns[i] = *prog;
4504                         }
4505                         /* found case handled */
4506                         free(prog);
4507                         return;
4508                 }
4509         }
4510
4511         if (prog->argv == NULL) {
4512                 fprintf(stderr,
4513                     "error: setspawn: cannot find program: %s", prog->name);
4514                 free(prog);
4515                 return;
4516         }
4517
4518         /* not found: add */
4519         if (spawns_size == 0 || spawns == NULL) {
4520                 spawns_size = 4;
4521                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
4522                 spawns = malloc((size_t)spawns_size *
4523                     sizeof(struct spawn_prog));
4524                 if (spawns == NULL) {
4525                         fprintf(stderr, "setspawn: malloc failed\n");
4526                         perror(" failed");
4527                         quit(NULL, NULL);
4528                 }
4529         } else if (spawns_length == spawns_size) {
4530                 spawns_size *= 2;
4531                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
4532                 spawns = realloc(spawns, (size_t)spawns_size *
4533                     sizeof(struct spawn_prog));
4534                 if (spawns == NULL) {
4535                         fprintf(stderr, "setspawn: realloc failed\n");
4536                         perror(" failed");
4537                         quit(NULL, NULL);
4538                 }
4539         }
4540
4541         if (spawns_length < spawns_size) {
4542                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
4543                     spawns_length, prog->name);
4544                 i = spawns_length++;
4545                 spawns[i] = *prog;
4546         } else {
4547                 fprintf(stderr, "spawns array problem?\n");
4548                 if (spawns == NULL) {
4549                         fprintf(stderr, "spawns array is NULL!\n");
4550                         quit(NULL, NULL);
4551                 }
4552         }
4553         free(prog);
4554 }
4555
4556 int
4557 setconfspawn(char *selector, char *value, int flags)
4558 {
4559         struct spawn_prog       *prog;
4560         char                    *vp, *cp, *word;
4561
4562         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4563         if ((prog = calloc(1, sizeof *prog)) == NULL)
4564                 err(1, "setconfspawn: calloc prog");
4565         prog->name = strdup(selector);
4566         if (prog->name == NULL)
4567                 err(1, "setconfspawn prog->name");
4568         if ((cp = vp = strdup(value)) == NULL)
4569                 err(1, "setconfspawn: strdup(value) ");
4570         while ((word = strsep(&cp, " \t")) != NULL) {
4571                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
4572                 if (cp)
4573                         cp += (long)strspn(cp, " \t");
4574                 if (strlen(word) > 0) {
4575                         prog->argc++;
4576                         if ((prog->argv = realloc(prog->argv,
4577                             prog->argc * sizeof(char *))) == NULL)
4578                                 err(1, "setconfspawn: realloc");
4579                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
4580                                 err(1, "setconfspawn: strdup");
4581                 }
4582         }
4583         free(vp);
4584
4585         setspawn(prog);
4586
4587         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4588         return (0);
4589 }
4590
4591 void
4592 setup_spawn(void)
4593 {
4594         setconfspawn("term",            "xterm",                0);
4595         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4596         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4597         setconfspawn("lock",            "xlock",                0);
4598         setconfspawn("initscr",         "initscreen.sh",        0);
4599         setconfspawn("menu",            "dmenu_run"
4600                                         " -fn $bar_font"
4601                                         " -nb $bar_color"
4602                                         " -nf $bar_font_color"
4603                                         " -sb $bar_border"
4604                                         " -sf $bar_color",      0);
4605         setconfspawn("search",          "dmenu"
4606                                         " -i"
4607                                         " -fn $bar_font"
4608                                         " -nb $bar_color"
4609                                         " -nf $bar_font_color"
4610                                         " -sb $bar_border"
4611                                         " -sf $bar_color",      0);
4612         setconfspawn("name_workspace",  "dmenu"
4613                                         " -p Workspace"
4614                                         " -fn $bar_font"
4615                                         " -nb $bar_color"
4616                                         " -nf $bar_font_color"
4617                                         " -sb $bar_border"
4618                                         " -sf $bar_color",      0);
4619 }
4620
4621 /* key bindings */
4622 #define SWM_MODNAME_SIZE        32
4623 #define SWM_KEY_WS              "\n+ \t"
4624 int
4625 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4626 {
4627         char                    *cp, *name;
4628         KeySym                  uks;
4629         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4630         if (mod == NULL || ks == NULL) {
4631                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4632                 return (1);
4633         }
4634         if (keystr == NULL || strlen(keystr) == 0) {
4635                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4636                 return (1);
4637         }
4638         cp = keystr;
4639         *ks = NoSymbol;
4640         *mod = 0;
4641         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4642                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4643                 if (cp)
4644                         cp += (long)strspn(cp, SWM_KEY_WS);
4645                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4646                         *mod |= currmod;
4647                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4648                         *mod |= Mod1Mask;
4649                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4650                         *mod += Mod2Mask;
4651                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4652                         *mod |= Mod3Mask;
4653                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4654                         *mod |= Mod4Mask;
4655                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4656                         *mod |= ShiftMask;
4657                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4658                         *mod |= ControlMask;
4659                 else {
4660                         *ks = XStringToKeysym(name);
4661                         XConvertCase(*ks, ks, &uks);
4662                         if (ks == NoSymbol) {
4663                                 DNPRINTF(SWM_D_KEY,
4664                                     "parsekeys: invalid key %s\n",
4665                                     name);
4666                                 return (1);
4667                         }
4668                 }
4669         }
4670         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4671         return (0);
4672 }
4673
4674 char *
4675 strdupsafe(char *str)
4676 {
4677         if (str == NULL)
4678                 return (NULL);
4679         else
4680                 return (strdup(str));
4681 }
4682
4683 void
4684 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
4685 {
4686         struct key              *kp;
4687
4688         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
4689             keyfuncs[kfid].name, spawn_name);
4690
4691         if ((kp = malloc(sizeof *kp)) == NULL)
4692                 err(1, "key_insert: malloc");
4693
4694         kp->mod = mod;
4695         kp->keysym = ks;
4696         kp->funcid = kfid;
4697         kp->spawn_name = strdupsafe(spawn_name);
4698         TAILQ_INSERT_TAIL(&keys, kp, entry);
4699
4700         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
4701 }
4702
4703 void
4704 key_remove(struct key *kp)
4705 {
4706         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
4707
4708         TAILQ_REMOVE(&keys, kp, entry);
4709         free(kp->spawn_name);
4710         free(kp);
4711
4712         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
4713 }
4714
4715 void
4716 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
4717     char *spawn_name)
4718 {
4719         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
4720             spawn_name);
4721
4722         key_remove(kp);
4723         key_insert(mod, ks, kfid, spawn_name);
4724
4725         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
4726 }
4727
4728 void
4729 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4730     char *spawn_name)
4731 {
4732         struct key              *kp;
4733
4734         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4735             keyfuncs[kfid].name, spawn_name);
4736
4737         TAILQ_FOREACH(kp, &keys, entry) {
4738                 if (kp->mod == mod && kp->keysym == ks) {
4739                         if (kfid == kf_invalid)
4740                                 key_remove(kp);
4741                         else
4742                                 key_replace(kp, mod, ks, kfid, spawn_name);
4743                         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4744                         return;
4745                 }
4746         }
4747         if (kfid == kf_invalid) {
4748                 warnx("error: setkeybinding: cannot find mod/key combination");
4749                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4750                 return;
4751         }
4752
4753         key_insert(mod, ks, kfid, spawn_name);
4754         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4755 }
4756
4757 int
4758 setconfbinding(char *selector, char *value, int flags)
4759 {
4760         enum keyfuncid          kfid;
4761         unsigned int            mod;
4762         KeySym                  ks;
4763         int                     i;
4764         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4765         if (selector == NULL) {
4766                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4767                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4768                         kfid = kf_invalid;
4769                         setkeybinding(mod, ks, kfid, NULL);
4770                         return (0);
4771                 } else
4772                         return (1);
4773         }
4774         /* search by key function name */
4775         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4776                 if (strncasecmp(selector, keyfuncs[kfid].name,
4777                     SWM_FUNCNAME_LEN) == 0) {
4778                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4779                             selector);
4780                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4781                                 setkeybinding(mod, ks, kfid, NULL);
4782                                 return (0);
4783                         } else
4784                                 return (1);
4785                 }
4786         }
4787         /* search by custom spawn name */
4788         for (i = 0; i < spawns_length; i++) {
4789                 if (strcasecmp(selector, spawns[i].name) == 0) {
4790                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4791                             selector);
4792                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4793                                 setkeybinding(mod, ks, kf_spawn_custom,
4794                                     spawns[i].name);
4795                                 return (0);
4796                         } else
4797                                 return (1);
4798                 }
4799         }
4800         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4801         return (1);
4802 }
4803
4804 void
4805 setup_keys(void)
4806 {
4807         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4808         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4809         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4810         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4811         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4812         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4813         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4814         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4815         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4816         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4817         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4818         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4819         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4820         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4821         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
4822         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4823         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4824         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4825         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4826         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4827         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4828         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4829         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4830         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4831         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4832         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4833         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4834         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4835         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4836         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4837         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
4838         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
4839         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4840         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4841         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4842         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4843         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4844         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4845         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4846         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4847         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4848         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4849         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4850         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4851         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4852         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4853         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4854         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4855         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4856         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4857         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
4858         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
4859         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4860         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4861         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
4862         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
4863         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4864         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4865         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4866         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4867         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
4868         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
4869         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
4870         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
4871         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
4872         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
4873         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
4874         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
4875         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
4876         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
4877         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
4878 #ifdef SWM_DEBUG
4879         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4880 #endif
4881 }
4882
4883 void
4884 clear_keys(void)
4885 {
4886         struct key              *kp_loop, *kp_next;
4887
4888         kp_loop = TAILQ_FIRST(&keys);
4889         while (kp_loop != NULL) {
4890                 kp_next = TAILQ_NEXT(kp_loop, entry);
4891                 key_remove(kp_loop);
4892                 kp_loop = kp_next;
4893         }
4894 }
4895
4896 int
4897 setkeymapping(char *selector, char *value, int flags)
4898 {
4899         char                    keymapping_file[PATH_MAX];
4900         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
4901         if (value[0] == '~')
4902                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
4903                     pwd->pw_dir, &value[1]);
4904         else
4905                 strlcpy(keymapping_file, value, sizeof keymapping_file);
4906         clear_keys();
4907         /* load new key bindings; if it fails, revert to default bindings */
4908         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
4909                 clear_keys();
4910                 setup_keys();
4911         }
4912         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
4913         return (0);
4914 }
4915
4916 void
4917 updatenumlockmask(void)
4918 {
4919         unsigned int            i, j;
4920         XModifierKeymap         *modmap;
4921
4922         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4923         numlockmask = 0;
4924         modmap = XGetModifierMapping(display);
4925         for (i = 0; i < 8; i++)
4926                 for (j = 0; j < modmap->max_keypermod; j++)
4927                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4928                             == XKeysymToKeycode(display, XK_Num_Lock))
4929                                 numlockmask = (1 << i);
4930
4931         XFreeModifiermap(modmap);
4932 }
4933
4934 void
4935 grabkeys(void)
4936 {
4937         unsigned int            j, k;
4938         KeyCode                 code;
4939         unsigned int            modifiers[] =
4940             { 0, LockMask, numlockmask, numlockmask | LockMask };
4941         struct key              *kp;
4942
4943         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4944         updatenumlockmask();
4945
4946         for (k = 0; k < ScreenCount(display); k++) {
4947                 if (TAILQ_EMPTY(&screens[k].rl))
4948                         continue;
4949                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4950                 TAILQ_FOREACH(kp, &keys, entry) {
4951                         if ((code = XKeysymToKeycode(display, kp->keysym)))
4952                                 for (j = 0; j < LENGTH(modifiers); j++)
4953                                         XGrabKey(display, code,
4954                                             kp->mod | modifiers[j],
4955                                             screens[k].root, True,
4956                                             GrabModeAsync, GrabModeAsync);
4957                 }
4958         }
4959 }
4960
4961 void
4962 grabbuttons(struct ws_win *win, int focused)
4963 {
4964         unsigned int            i, j;
4965         unsigned int            modifiers[] =
4966             { 0, LockMask, numlockmask, numlockmask|LockMask };
4967
4968         updatenumlockmask();
4969         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4970         if (focused) {
4971                 for (i = 0; i < LENGTH(buttons); i++)
4972                         if (buttons[i].action == client_click)
4973                                 for (j = 0; j < LENGTH(modifiers); j++)
4974                                         XGrabButton(display, buttons[i].button,
4975                                             buttons[i].mask | modifiers[j],
4976                                             win->id, False, BUTTONMASK,
4977                                             GrabModeAsync, GrabModeSync, None,
4978                                             None);
4979         } else
4980                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4981                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4982 }
4983
4984 const char *quirkname[] = {
4985         "NONE",         /* config string for "no value" */
4986         "FLOAT",
4987         "TRANSSZ",
4988         "ANYWHERE",
4989         "XTERM_FONTADJ",
4990         "FULLSCREEN",
4991         "FOCUSPREV",
4992 };
4993
4994 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4995 #define SWM_Q_WS                "\n|+ \t"
4996 int
4997 parsequirks(char *qstr, unsigned long *quirk)
4998 {
4999         char                    *cp, *name;
5000         int                     i;
5001
5002         if (quirk == NULL)
5003                 return (1);
5004
5005         cp = qstr;
5006         *quirk = 0;
5007         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5008                 if (cp)
5009                         cp += (long)strspn(cp, SWM_Q_WS);
5010                 for (i = 0; i < LENGTH(quirkname); i++) {
5011                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5012                                 DNPRINTF(SWM_D_QUIRK,
5013                                     "parsequirks: %s\n", name);
5014                                 if (i == 0) {
5015                                         *quirk = 0;
5016                                         return (0);
5017                                 }
5018                                 *quirk |= 1 << (i-1);
5019                                 break;
5020                         }
5021                 }
5022                 if (i >= LENGTH(quirkname)) {
5023                         DNPRINTF(SWM_D_QUIRK,
5024                             "parsequirks: invalid quirk [%s]\n", name);
5025                         return (1);
5026                 }
5027         }
5028         return (0);
5029 }
5030
5031 void
5032 quirk_insert(const char *class, const char *name, unsigned long quirk)
5033 {
5034         struct quirk            *qp;
5035
5036         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5037             quirk);
5038
5039         if ((qp = malloc(sizeof *qp)) == NULL)
5040                 err(1, "quirk_insert: malloc");
5041         if ((qp->class = strdup(class)) == NULL)
5042                 err(1, "quirk_insert: strdup");
5043         if ((qp->name = strdup(name)) == NULL)
5044                 err(1, "quirk_insert: strdup");
5045
5046         qp->quirk = quirk;
5047         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5048
5049         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5050 }
5051
5052 void
5053 quirk_remove(struct quirk *qp)
5054 {
5055         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5056             qp->name, qp->quirk);
5057
5058         TAILQ_REMOVE(&quirks, qp, entry);
5059         free(qp->class);
5060         free(qp->name);
5061         free(qp);
5062
5063         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5064 }
5065
5066 void
5067 quirk_replace(struct quirk *qp, const char *class, const char *name,
5068     unsigned long quirk)
5069 {
5070         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5071             qp->name, qp->quirk);
5072
5073         quirk_remove(qp);
5074         quirk_insert(class, name, quirk);
5075
5076         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5077 }
5078
5079 void
5080 setquirk(const char *class, const char *name, unsigned long quirk)
5081 {
5082         struct quirk            *qp;
5083
5084         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5085            quirk);
5086
5087         TAILQ_FOREACH(qp, &quirks, entry) {
5088                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5089                         if (!quirk)
5090                                 quirk_remove(qp);
5091                         else
5092                                 quirk_replace(qp, class, name, quirk);
5093                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5094                         return;
5095                 }
5096         }
5097         if (!quirk) {
5098                 warnx("error: setquirk: cannot find class/name combination");
5099                 return;
5100         }
5101
5102         quirk_insert(class, name, quirk);
5103         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5104 }
5105
5106 int
5107 setconfquirk(char *selector, char *value, int flags)
5108 {
5109         char                    *cp, *class, *name;
5110         int                     retval;
5111         unsigned long           quirks;
5112         if (selector == NULL)
5113                 return (0);
5114         if ((cp = strchr(selector, ':')) == NULL)
5115                 return (0);
5116         *cp = '\0';
5117         class = selector;
5118         name = cp + 1;
5119         if ((retval = parsequirks(value, &quirks)) == 0)
5120                 setquirk(class, name, quirks);
5121         return (retval);
5122 }
5123
5124 void
5125 setup_quirks(void)
5126 {
5127         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5128         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5129         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5130         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5131         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5132         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5133         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5134         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5135         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5136         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5137         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5138         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5139         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5140 }
5141
5142 /* conf file stuff */
5143 #define SWM_CONF_FILE   "scrotwm.conf"
5144
5145 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
5146           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
5147           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
5148           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
5149           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
5150           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
5151           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
5152           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
5153           SWM_S_VERBOSE_LAYOUT, SWM_S_BAR_JUSTIFY
5154         };
5155
5156 int
5157 setconfvalue(char *selector, char *value, int flags)
5158 {
5159         int     i;
5160         char    *b;
5161
5162         switch (flags) {
5163         case SWM_S_BAR_DELAY:
5164                 bar_delay = atoi(value);
5165                 break;
5166         case SWM_S_BAR_ENABLED:
5167                 bar_enabled = atoi(value);
5168                 break;
5169         case SWM_S_BAR_BORDER_WIDTH:
5170                 bar_border_width = atoi(value);
5171                 break;
5172         case SWM_S_BAR_AT_BOTTOM:
5173                 bar_at_bottom = atoi(value);
5174                 break;
5175         case SWM_S_BAR_JUSTIFY:
5176                 if (!strcmp(value, "left"))
5177                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5178                 else if (!strcmp(value, "center"))
5179                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5180                 else if (!strcmp(value, "right"))
5181                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5182                 else
5183                         errx(1, "invalid bar_justify");
5184                 break;
5185         case SWM_S_STACK_ENABLED:
5186                 stack_enabled = atoi(value);
5187                 break;
5188         case SWM_S_CLOCK_ENABLED:
5189                 clock_enabled = atoi(value);
5190                 break;
5191         case SWM_S_CLOCK_FORMAT:
5192 #ifndef SWM_DENY_CLOCK_FORMAT
5193                 free(clock_format);
5194                 if ((clock_format = strdup(value)) == NULL)
5195                         err(1, "setconfvalue: clock_format");
5196 #endif
5197                 break;
5198         case SWM_S_CYCLE_EMPTY:
5199                 cycle_empty = atoi(value);
5200                 break;
5201         case SWM_S_CYCLE_VISIBLE:
5202                 cycle_visible = atoi(value);
5203                 break;
5204         case SWM_S_SS_ENABLED:
5205                 ss_enabled = atoi(value);
5206                 break;
5207         case SWM_S_TERM_WIDTH:
5208                 term_width = atoi(value);
5209                 break;
5210         case SWM_S_TITLE_CLASS_ENABLED:
5211                 title_class_enabled = atoi(value);
5212                 break;
5213         case SWM_S_WINDOW_NAME_ENABLED:
5214                 window_name_enabled = atoi(value);
5215                 break;
5216         case SWM_S_TITLE_NAME_ENABLED:
5217                 title_name_enabled = atoi(value);
5218                 break;
5219         case SWM_S_URGENT_ENABLED:
5220                 urgent_enabled = atoi(value);
5221                 break;
5222         case SWM_S_FOCUS_MODE:
5223                 if (!strcmp(value, "default"))
5224                         focus_mode = SWM_FOCUS_DEFAULT;
5225                 else if (!strcmp(value, "follow_cursor"))
5226                         focus_mode = SWM_FOCUS_FOLLOW;
5227                 else if (!strcmp(value, "synergy"))
5228                         focus_mode = SWM_FOCUS_SYNERGY;
5229                 else
5230                         errx(1, "focus_mode");
5231                 break;
5232         case SWM_S_DISABLE_BORDER:
5233                 disable_border = atoi(value);
5234                 break;
5235         case SWM_S_BORDER_WIDTH:
5236                 border_width = atoi(value);
5237                 break;
5238         case SWM_S_BAR_FONT:
5239                 b = bar_fonts;
5240                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5241                         err(1, "setconfvalue: asprintf: failed to allocate "
5242                                 "memory for bar_fonts.");
5243
5244                 free(b);
5245                 break;
5246         case SWM_S_BAR_ACTION:
5247                 free(bar_argv[0]);
5248                 if ((bar_argv[0] = strdup(value)) == NULL)
5249                         err(1, "setconfvalue: bar_action");
5250                 break;
5251         case SWM_S_SPAWN_TERM:
5252                 free(spawn_term[0]);
5253                 if ((spawn_term[0] = strdup(value)) == NULL)
5254                         err(1, "setconfvalue: spawn_term");
5255                 break;
5256         case SWM_S_SS_APP:
5257                 break;
5258         case SWM_S_DIALOG_RATIO:
5259                 dialog_ratio = atof(value);
5260                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5261                         dialog_ratio = .6;
5262                 break;
5263         case SWM_S_VERBOSE_LAYOUT:
5264                 verbose_layout = atoi(value);
5265                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5266                         if (verbose_layout)
5267                                 layouts[i].l_string = fancy_stacker;
5268                         else
5269                                 layouts[i].l_string = plain_stacker;
5270                 }
5271                 break;
5272         default:
5273                 return (1);
5274         }
5275         return (0);
5276 }
5277
5278 int
5279 setconfmodkey(char *selector, char *value, int flags)
5280 {
5281         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5282                 update_modkey(Mod1Mask);
5283         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5284                 update_modkey(Mod2Mask);
5285         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5286                 update_modkey(Mod3Mask);
5287         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5288                 update_modkey(Mod4Mask);
5289         else
5290                 return (1);
5291         return (0);
5292 }
5293
5294 int
5295 setconfcolor(char *selector, char *value, int flags)
5296 {
5297         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5298         return (0);
5299 }
5300
5301 int
5302 setconfregion(char *selector, char *value, int flags)
5303 {
5304         custom_region(value);
5305         return (0);
5306 }
5307
5308 int
5309 setautorun(char *selector, char *value, int flags)
5310 {
5311         int                     ws_id;
5312         char                    s[1024];
5313         char                    *ap, *sp = s;
5314         union arg               a;
5315         int                     argc = 0;
5316         long                    pid;
5317         struct pid_e            *p;
5318
5319         if (getenv("SWM_STARTED"))
5320                 return (0);
5321
5322         bzero(s, sizeof s);
5323         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5324                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5325         ws_id--;
5326         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5327                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5328
5329         /*
5330          * This is a little intricate
5331          *
5332          * If the pid already exists we simply reuse it because it means it was
5333          * used before AND not claimed by manage_window.  We get away with
5334          * altering it in the parent after INSERT because this can not be a race
5335          */
5336         a.argv = NULL;
5337         while ((ap = strsep(&sp, " \t")) != NULL) {
5338                 if (*ap == '\0')
5339                         continue;
5340                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5341                 argc++;
5342                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5343                         err(1, "setautorun: realloc");
5344                 a.argv[argc - 1] = ap;
5345         }
5346
5347         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5348                 err(1, "setautorun: realloc");
5349         a.argv[argc] = NULL;
5350
5351         if ((pid = fork()) == 0) {
5352                 spawn(ws_id, &a, 1);
5353                 /* NOTREACHED */
5354                 _exit(1);
5355         }
5356         free(a.argv);
5357
5358         /* parent */
5359         p = find_pid(pid);
5360         if (p == NULL) {
5361                 p = calloc(1, sizeof *p);
5362                 if (p == NULL)
5363                         return (1);
5364                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5365         }
5366
5367         p->pid = pid;
5368         p->ws = ws_id;
5369
5370         return (0);
5371 }
5372
5373 int
5374 setlayout(char *selector, char *value, int flags)
5375 {
5376         int                     ws_id, i, x, mg, ma, si, raise;
5377         int                     st = SWM_V_STACK;
5378         char                    s[1024];
5379         struct workspace        *ws;
5380
5381         if (getenv("SWM_STARTED"))
5382                 return (0);
5383
5384         bzero(s, sizeof s);
5385         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5386             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5387                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5388                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5389                     "<type>'");
5390         ws_id--;
5391         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5392                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5393
5394         if (!strcasecmp(s, "vertical"))
5395                 st = SWM_V_STACK;
5396         else if (!strcasecmp(s, "horizontal"))
5397                 st = SWM_H_STACK;
5398         else if (!strcasecmp(s, "fullscreen"))
5399                 st = SWM_MAX_STACK;
5400         else
5401                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5402                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5403                     "<type>'");
5404
5405         for (i = 0; i < ScreenCount(display); i++) {
5406                 ws = (struct workspace *)&screens[i].ws;
5407                 ws[ws_id].cur_layout = &layouts[st];
5408
5409                 ws[ws_id].always_raise = raise;
5410                 if (st == SWM_MAX_STACK)
5411                         continue;
5412
5413                 /* master grow */
5414                 for (x = 0; x < abs(mg); x++) {
5415                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5416                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5417                             SWM_ARG_ID_MASTERSHRINK);
5418                         stack();
5419                 }
5420                 /* master add */
5421                 for (x = 0; x < abs(ma); x++) {
5422                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5423                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5424                             SWM_ARG_ID_MASTERDEL);
5425                         stack();
5426                 }
5427                 /* stack inc */
5428                 for (x = 0; x < abs(si); x++) {
5429                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5430                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5431                             SWM_ARG_ID_STACKDEC);
5432                         stack();
5433                 }
5434         }
5435
5436         return (0);
5437 }
5438
5439 /* config options */
5440 struct config_option {
5441         char                    *optname;
5442         int                     (*func)(char*, char*, int);
5443         int                     funcflags;
5444 };
5445 struct config_option configopt[] = {
5446         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5447         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5448         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5449         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5450         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5451         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5452         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5453         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5454         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5455         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5456         { "keyboard_mapping",           setkeymapping,  0 },
5457         { "bind",                       setconfbinding, 0 },
5458         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5459         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5460         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5461         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5462         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5463         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5464         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5465         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5466         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5467         { "modkey",                     setconfmodkey,  0 },
5468         { "program",                    setconfspawn,   0 },
5469         { "quirk",                      setconfquirk,   0 },
5470         { "region",                     setconfregion,  0 },
5471         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5472         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5473         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5474         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5475         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5476         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5477         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5478         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5479         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5480         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5481         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5482         { "autorun",                    setautorun,     0 },
5483         { "layout",                     setlayout,      0 },
5484 };
5485
5486
5487 int
5488 conf_load(char *filename, int keymapping)
5489 {
5490         FILE                    *config;
5491         char                    *line, *cp, *optsub, *optval;
5492         size_t                  linelen, lineno = 0;
5493         int                     wordlen, i, optind;
5494         struct config_option    *opt;
5495
5496         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
5497
5498         if (filename == NULL) {
5499                 fprintf(stderr, "conf_load: no filename\n");
5500                 return (1);
5501         }
5502         if ((config = fopen(filename, "r")) == NULL) {
5503                 warn("conf_load: fopen: %s", filename);
5504                 return (1);
5505         }
5506
5507         while (!feof(config)) {
5508                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5509                     == NULL) {
5510                         if (ferror(config))
5511                                 err(1, "%s", filename);
5512                         else
5513                                 continue;
5514                 }
5515                 cp = line;
5516                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5517                 if (cp[0] == '\0') {
5518                         /* empty line */
5519                         free(line);
5520                         continue;
5521                 }
5522                 /* get config option */
5523                 wordlen = strcspn(cp, "=[ \t\n");
5524                 if (wordlen == 0) {
5525                         warnx("%s: line %zd: no option found",
5526                             filename, lineno);
5527                         goto out;
5528                 }
5529                 optind = -1;
5530                 for (i = 0; i < LENGTH(configopt); i++) {
5531                         opt = &configopt[i];
5532                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5533                             strlen(opt->optname) == wordlen) {
5534                                 optind = i;
5535                                 break;
5536                         }
5537                 }
5538                 if (optind == -1) {
5539                         warnx("%s: line %zd: unknown option %.*s",
5540                             filename, lineno, wordlen, cp);
5541                         goto out;
5542                 }
5543                 if (keymapping && strcmp(opt->optname, "bind")) {
5544                         warnx("%s: line %zd: invalid option %.*s",
5545                             filename, lineno, wordlen, cp);
5546                         goto out;
5547                 }
5548                 cp += wordlen;
5549                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5550                 /* get [selector] if any */
5551                 optsub = NULL;
5552                 if (*cp == '[') {
5553                         cp++;
5554                         wordlen = strcspn(cp, "]");
5555                         if (*cp != ']') {
5556                                 if (wordlen == 0) {
5557                                         warnx("%s: line %zd: syntax error",
5558                                             filename, lineno);
5559                                         goto out;
5560                                 }
5561
5562                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
5563                                     -1) {
5564                                         warnx("%s: line %zd: unable to allocate"
5565                                             "memory for selector", filename,
5566                                             lineno);
5567                                         goto out;
5568                                 }
5569                         }
5570                         cp += wordlen;
5571                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5572                 }
5573                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5574                 /* get RHS value */
5575                 optval = strdup(cp);
5576                 /* call function to deal with it all */
5577                 if (configopt[optind].func(optsub, optval,
5578                     configopt[optind].funcflags) != 0) {
5579                         fprintf(stderr, "%s line %zd: %s\n",
5580                             filename, lineno, line);
5581                         errx(1, "%s: line %zd: invalid data for %s",
5582                             filename, lineno, configopt[optind].optname);
5583                 }
5584                 free(optval);
5585                 free(optsub);
5586                 free(line);
5587         }
5588
5589         fclose(config);
5590         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
5591
5592         return (0);
5593
5594 out:
5595         free(line);
5596         fclose(config);
5597         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
5598
5599         return (1);
5600 }
5601
5602 void
5603 set_child_transient(struct ws_win *win, Window *trans)
5604 {
5605         struct ws_win           *parent, *w;
5606         XWMHints                *wmh = NULL;
5607         struct swm_region       *r;
5608         struct workspace        *ws;
5609
5610         parent = find_window(win->transient);
5611         if (parent)
5612                 parent->child_trans = win;
5613         else {
5614                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5615                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
5616
5617                 if (win->hints == NULL) {
5618                         fprintf(stderr, "no hints for 0x%lx\n", win->id);
5619                         return;
5620                 }
5621
5622                 r = root_to_region(win->wa.root);
5623                 ws = r->ws;
5624                 /* parent doen't exist in our window list */
5625                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5626                         if (wmh)
5627                                 XFree(wmh);
5628
5629                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5630                                 fprintf(stderr, "can't get hints for 0x%lx\n",
5631                                     w->id);
5632                                 continue;
5633                         }
5634
5635                         if (win->hints->window_group != wmh->window_group)
5636                                 continue;
5637
5638                         w->child_trans = win;
5639                         win->transient = w->id;
5640                         *trans = w->id;
5641                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5642                             "transient to 0x%lx\n", win->transient);
5643                         break;
5644                 }
5645         }
5646
5647         if (wmh)
5648                 XFree(wmh);
5649 }
5650
5651 long
5652 window_get_pid(Window win)
5653 {
5654         Atom                    actual_type_return;
5655         int                     actual_format_return = 0;
5656         unsigned long           nitems_return = 0;
5657         unsigned long           bytes_after_return = 0;
5658         long                    *pid = NULL;
5659         long                    ret = 0;
5660         const char              *errstr;
5661         unsigned char           *prop = NULL;
5662
5663         if (XGetWindowProperty(display, win,
5664             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5665             XA_CARDINAL, &actual_type_return, &actual_format_return,
5666             &nitems_return, &bytes_after_return,
5667             (unsigned char**)(void*)&pid) != Success)
5668                 goto tryharder;
5669         if (actual_type_return != XA_CARDINAL)
5670                 goto tryharder;
5671         if (pid == NULL)
5672                 goto tryharder;
5673
5674         ret = *pid;
5675         XFree(pid);
5676
5677         return (ret);
5678
5679 tryharder:
5680         if (XGetWindowProperty(display, win,
5681             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
5682             XA_STRING, &actual_type_return, &actual_format_return,
5683             &nitems_return, &bytes_after_return, &prop) != Success)
5684                 return (0);
5685         if (actual_type_return != XA_STRING)
5686                 return (0);
5687         if (prop == NULL)
5688                 return (0);
5689
5690         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
5691         /* ignore error because strtonum returns 0 anyway */
5692         XFree(prop);
5693
5694         return (ret);
5695 }
5696
5697 struct ws_win *
5698 manage_window(Window id)
5699 {
5700         Window                  trans = 0;
5701         struct workspace        *ws;
5702         struct ws_win           *win, *ww;
5703         int                     format, i, ws_idx, n, border_me = 0;
5704         unsigned long           nitems, bytes;
5705         Atom                    ws_idx_atom = 0, type;
5706         Atom                    *prot = NULL, *pp;
5707         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5708         struct swm_region       *r;
5709         long                    mask;
5710         const char              *errstr;
5711         XWindowChanges          wc;
5712         struct pid_e            *p;
5713         struct quirk            *qp;
5714
5715         if ((win = find_window(id)) != NULL)
5716                 return (win);   /* already being managed */
5717
5718         /* see if we are on the unmanaged list */
5719         if ((win = find_unmanaged_window(id)) != NULL) {
5720                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
5721                     "window: 0x%lx\n", win->id);
5722                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5723                 if (win->transient) {
5724                         set_child_transient(win, &trans);
5725                 } if (trans && (ww = find_window(trans)))
5726                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5727                 else
5728                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5729                 ewmh_update_actions(win);
5730                 return (win);
5731         }
5732
5733         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5734                 err(1, "manage_window: calloc: failed to allocate memory for "
5735                     "new window");
5736
5737         win->id = id;
5738
5739         /* see if we need to override the workspace */
5740         p = find_pid(window_get_pid(id));
5741
5742         /* Get all the window data in one shot */
5743         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5744         if (ws_idx_atom) {
5745                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5746                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5747         }
5748         XGetWindowAttributes(display, id, &win->wa);
5749         XGetWMNormalHints(display, id, &win->sh, &mask);
5750         win->hints = XGetWMHints(display, id);
5751         XGetTransientForHint(display, id, &trans);
5752         if (trans) {
5753                 win->transient = trans;
5754                 set_child_transient(win, &trans);
5755                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
5756                     "transient: 0x%lx\n", win->id, win->transient);
5757         }
5758
5759         /* get supported protocols */
5760         if (XGetWMProtocols(display, id, &prot, &n)) {
5761                 for (i = 0, pp = prot; i < n; i++, pp++) {
5762                         if (*pp == takefocus)
5763                                 win->take_focus = 1;
5764                         if (*pp == adelete)
5765                                 win->can_delete = 1;
5766                 }
5767                 if (prot)
5768                         XFree(prot);
5769         }
5770
5771         win->iconic = get_iconic(win);
5772
5773         /*
5774          * Figure out where to put the window. If it was previously assigned to
5775          * a workspace (either by spawn() or manually moving), and isn't
5776          * transient, * put it in the same workspace
5777          */
5778         r = root_to_region(win->wa.root);
5779         if (p) {
5780                 ws = &r->s->ws[p->ws];
5781                 TAILQ_REMOVE(&pidlist, p, entry);
5782                 free(p);
5783                 p = NULL;
5784         } else if (prop && win->transient == 0) {
5785                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
5786                 ws_idx = strtonum((const char *)prop, 0, 9, &errstr);
5787                 if (errstr) {
5788                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
5789                             errstr, prop);
5790                 }
5791                 ws = &r->s->ws[ws_idx];
5792         } else {
5793                 ws = r->ws;
5794                 /* this should launch transients in the same ws as parent */
5795                 if (id && trans)
5796                         if ((ww = find_window(trans)) != NULL)
5797                                 if (ws->r) {
5798                                         ws = ww->ws;
5799                                         if (ww->ws->r)
5800                                                 r = ww->ws->r;
5801                                         else
5802                                                 fprintf(stderr,
5803                                                     "manage_window: fix this "
5804                                                     "bug mcbride\n");
5805                                         border_me = 1;
5806                                 }
5807         }
5808
5809         /* set up the window layout */
5810         win->id = id;
5811         win->ws = ws;
5812         win->s = r->s;  /* this never changes */
5813         if (trans && (ww = find_window(trans)))
5814                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5815         else
5816                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5817
5818         WIDTH(win) = win->wa.width;
5819         HEIGHT(win) = win->wa.height;
5820         X(win) = win->wa.x;
5821         Y(win) = win->wa.y;
5822         win->g_floatvalid = 0;
5823         win->floatmaxed = 0;
5824         win->ewmh_flags = 0;
5825
5826         /* Set window properties so we can remember this after reincarnation */
5827         if (ws_idx_atom && prop == NULL &&
5828             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
5829                 SWM_PROPLEN) {
5830                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
5831                     ws_idx_str);
5832                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5833                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5834         }
5835         if (prop)
5836                 XFree(prop);
5837
5838         ewmh_autoquirk(win);
5839
5840         if (XGetClassHint(display, win->id, &win->ch)) {
5841                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
5842                     win->ch.res_class, win->ch.res_name);
5843
5844                 /* java is retarded so treat it special */
5845                 if (strstr(win->ch.res_name, "sun-awt")) {
5846                         win->java = 1;
5847                         border_me = 1;
5848                 }
5849
5850                 TAILQ_FOREACH(qp, &quirks, entry) {
5851                         if (!strcmp(win->ch.res_class, qp->class) &&
5852                             !strcmp(win->ch.res_name, qp->name)) {
5853                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
5854                                     "class: %s, name: %s\n", win->ch.res_class,
5855                                     win->ch.res_name);
5856                                 if (qp->quirk & SWM_Q_FLOAT) {
5857                                         win->floating = 1;
5858                                         border_me = 1;
5859                                 }
5860                                 win->quirks = qp->quirk;
5861                         }
5862                 }
5863         }
5864
5865         /* alter window position if quirky */
5866         if (win->quirks & SWM_Q_ANYWHERE) {
5867                 win->manual = 1; /* don't center the quirky windows */
5868                 bzero(&wc, sizeof wc);
5869                 mask = 0;
5870                 if (bar_enabled && Y(win) < bar_height) {
5871                         Y(win) = wc.y = bar_height;
5872                         mask |= CWY;
5873                 }
5874                 if (WIDTH(win) + X(win) > WIDTH(r)) {
5875                         X(win) = wc.x = WIDTH(r) - WIDTH(win) - 2;
5876                         mask |= CWX;
5877                 }
5878                 border_me = 1;
5879         }
5880
5881         /* Reset font sizes (the bruteforce way; no default keybinding). */
5882         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5883                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5884                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5885                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5886                         fake_keypress(win, XK_KP_Add, ShiftMask);
5887         }
5888
5889         ewmh_get_win_state(win);
5890         ewmh_update_actions(win);
5891         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5892
5893         /* border me */
5894         if (border_me) {
5895                 bzero(&wc, sizeof wc);
5896                 wc.border_width = border_width;
5897                 mask = CWBorderWidth;
5898                 XConfigureWindow(display, win->id, mask, &wc);
5899         }
5900
5901         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5902             PropertyChangeMask | StructureNotifyMask);
5903
5904         /* floaters need to be mapped if they are in the current workspace */
5905         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5906                 XMapRaised(display, win->id);
5907
5908         return (win);
5909 }
5910
5911 void
5912 free_window(struct ws_win *win)
5913 {
5914         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
5915
5916         if (win == NULL)
5917                 return;
5918
5919         /* needed for restart wm */
5920         set_win_state(win, WithdrawnState);
5921
5922         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5923
5924         if (win->ch.res_class)
5925                 XFree(win->ch.res_class);
5926         if (win->ch.res_name)
5927                 XFree(win->ch.res_name);
5928
5929         kill_refs(win);
5930
5931         /* paint memory */
5932         memset(win, 0xff, sizeof *win); /* XXX kill later */
5933
5934         free(win);
5935 }
5936
5937 void
5938 unmanage_window(struct ws_win *win)
5939 {
5940         struct ws_win           *parent;
5941
5942         if (win == NULL)
5943                 return;
5944
5945         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
5946
5947         if (win->transient) {
5948                 parent = find_window(win->transient);
5949                 if (parent)
5950                         parent->child_trans = NULL;
5951         }
5952
5953         /* focus on root just in case */
5954         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5955
5956         focus_prev(win);
5957
5958         XFree(win->hints);
5959
5960         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5961         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5962
5963         kill_refs(win);
5964 }
5965
5966 void
5967 focus_magic(struct ws_win *win)
5968 {
5969         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
5970
5971         if (win == NULL)
5972                 return;
5973
5974         if (win->child_trans) {
5975                 /* win = parent & has a transient so focus on that */
5976                 if (win->java) {
5977                         focus_win(win->child_trans);
5978                         if (win->child_trans->take_focus)
5979                                 client_msg(win, takefocus);
5980                 } else {
5981                         /* make sure transient hasn't dissapeared */
5982                         if (validate_win(win->child_trans) == 0) {
5983                                 focus_win(win->child_trans);
5984                                 if (win->child_trans->take_focus)
5985                                         client_msg(win->child_trans, takefocus);
5986                         } else {
5987                                 win->child_trans = NULL;
5988                                 focus_win(win);
5989                                 if (win->take_focus)
5990                                         client_msg(win, takefocus);
5991                         }
5992                 }
5993         } else {
5994                 /* regular focus */
5995                 focus_win(win);
5996                 if (win->take_focus)
5997                         client_msg(win, takefocus);
5998         }
5999 }
6000
6001 void
6002 expose(XEvent *e)
6003 {
6004         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6005 }
6006
6007 void
6008 keypress(XEvent *e)
6009 {
6010         KeySym                  keysym;
6011         XKeyEvent               *ev = &e->xkey;
6012         struct key              *kp;
6013
6014         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
6015         TAILQ_FOREACH(kp, &keys, entry)
6016                 if (keysym == kp->keysym
6017                     && CLEANMASK(kp->mod) == CLEANMASK(ev->state)
6018                     && keyfuncs[kp->funcid].func) {
6019                         if (kp->funcid == kf_spawn_custom)
6020                                 spawn_custom(
6021                                     root_to_region(ev->root),
6022                                     &(keyfuncs[kp->funcid].args),
6023                                     kp->spawn_name
6024                                     );
6025                         else
6026                                 keyfuncs[kp->funcid].func(
6027                                     root_to_region(ev->root),
6028                                     &(keyfuncs[kp->funcid].args)
6029                                     );
6030                 }
6031 }
6032
6033 void
6034 buttonpress(XEvent *e)
6035 {
6036         struct ws_win           *win;
6037         int                     i, action;
6038         XButtonPressedEvent     *ev = &e->xbutton;
6039
6040         if ((win = find_window(ev->window)) == NULL)
6041                 return;
6042
6043         focus_magic(win);
6044         action = client_click;
6045
6046         for (i = 0; i < LENGTH(buttons); i++)
6047                 if (action == buttons[i].action && buttons[i].func &&
6048                     buttons[i].button == ev->button &&
6049                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6050                         buttons[i].func(win, &buttons[i].args);
6051 }
6052
6053 void
6054 configurerequest(XEvent *e)
6055 {
6056         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6057         struct ws_win           *win;
6058         int                     new = 0;
6059         XWindowChanges          wc;
6060
6061         if ((win = find_window(ev->window)) == NULL)
6062                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6063                         new = 1;
6064
6065         DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%lx, new: %s\n",
6066             ev->window, YESNO(new));
6067
6068         if (new) {
6069                 bzero(&wc, sizeof wc);
6070                 wc.x = ev->x;
6071                 wc.y = ev->y;
6072                 wc.width = ev->width;
6073                 wc.height = ev->height;
6074                 wc.border_width = ev->border_width;
6075                 wc.sibling = ev->above;
6076                 wc.stack_mode = ev->detail;
6077                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6078         } else {
6079                 config_win(win, ev);
6080         }
6081 }
6082
6083 void
6084 configurenotify(XEvent *e)
6085 {
6086         struct ws_win           *win;
6087         long                    mask;
6088
6089         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6090             e->xconfigure.window);
6091
6092         win = find_window(e->xconfigure.window);
6093         if (win) {
6094                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6095                 adjust_font(win);
6096                 if (font_adjusted)
6097                         stack();
6098                 if (focus_mode == SWM_FOCUS_DEFAULT)
6099                         drain_enter_notify();
6100         }
6101 }
6102
6103 void
6104 destroynotify(XEvent *e)
6105 {
6106         struct ws_win           *win;
6107         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6108
6109         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6110
6111         if ((win = find_window(ev->window)) == NULL) {
6112                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6113                         return;
6114                 free_window(win);
6115                 return;
6116         }
6117
6118         /* make sure we focus on something */
6119         win->floating = 0;
6120
6121         unmanage_window(win);
6122         stack();
6123         if (focus_mode == SWM_FOCUS_DEFAULT)
6124                 drain_enter_notify();
6125         free_window(win);
6126 }
6127
6128 void
6129 enternotify(XEvent *e)
6130 {
6131         XCrossingEvent          *ev = &e->xcrossing;
6132         XEvent                  cne;
6133         struct ws_win           *win;
6134 #if 0
6135         struct ws_win           *w;
6136         Window                  focus_return;
6137         int                     revert_to_return;
6138 #endif
6139         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6140             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6141             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6142             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6143
6144         if (ev->mode != NotifyNormal) {
6145                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6146                     "cursor grab.\n");
6147                 return;
6148         }
6149
6150         switch (focus_mode) {
6151         case SWM_FOCUS_DEFAULT:
6152                 break;
6153         case SWM_FOCUS_FOLLOW:
6154                 break;
6155         case SWM_FOCUS_SYNERGY:
6156 #if 0
6157         /*
6158          * all these checks need to be in this order because the
6159          * XCheckTypedWindowEvent relies on weeding out the previous events
6160          *
6161          * making this code an option would enable a follow mouse for focus
6162          * feature
6163          */
6164
6165         /*
6166          * state is set when we are switching workspaces and focus is set when
6167          * the window or a subwindow already has focus (occurs during restart).
6168          *
6169          * Only honor the focus flag if last_focus_event is not FocusOut,
6170          * this allows scrotwm to continue to control focus when another
6171          * program is also playing with it.
6172          */
6173         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6174                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6175                 return;
6176         }
6177
6178         /*
6179          * happens when a window is created or destroyed and the border
6180          * crosses the mouse pointer and when switching ws
6181          *
6182          * we need the subwindow test to see if we came from root in order
6183          * to give focus to floaters
6184          */
6185         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6186             ev->subwindow == 0) {
6187                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6188                 return;
6189         }
6190
6191         /* this window already has focus */
6192         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6193                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6194                 return;
6195         }
6196
6197         /* this window is being deleted or moved to another ws */
6198         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6199             &cne) == True) {
6200                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6201                 XPutBackEvent(display, &cne);
6202                 return;
6203         }
6204
6205         if ((win = find_window(ev->window)) == NULL) {
6206                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6207                 return;
6208         }
6209
6210         /*
6211          * In fullstack kill all enters unless they come from a different ws
6212          * (i.e. another region) or focus has been grabbed externally.
6213          */
6214         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6215             last_focus_event != FocusOut) {
6216                 XGetInputFocus(display, &focus_return, &revert_to_return);
6217                 if ((w = find_window(focus_return)) == NULL ||
6218                     w->ws == win->ws) {
6219                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6220                         return;
6221                 }
6222         }
6223 #endif
6224                 break;
6225         }
6226
6227         if ((win = find_window(ev->window)) == NULL) {
6228                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6229                 return;
6230         }
6231
6232         /*
6233          * if we have more enternotifies let them handle it in due time
6234          */
6235         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6236                 DNPRINTF(SWM_D_EVENT,
6237                     "ignoring enternotify: got more enternotify\n");
6238                 XPutBackEvent(display, &cne);
6239                 return;
6240         }
6241
6242         focus_magic(win);
6243 }
6244
6245 /* lets us use one switch statement for arbitrary mode/detail combinations */
6246 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6247
6248 void
6249 focusevent(XEvent *e)
6250 {
6251 #if 0
6252         struct ws_win           *win;
6253         u_int32_t               mode_detail;
6254         XFocusChangeEvent       *ev = &e->xfocus;
6255
6256         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6257             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6258             ev->window, ev->mode, ev->detail);
6259
6260         if (last_focus_event == ev->type) {
6261                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6262                 return;
6263         }
6264
6265         last_focus_event = ev->type;
6266         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6267
6268         switch (mode_detail) {
6269         /* synergy client focus operations */
6270         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6271         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6272
6273         /* synergy server focus operations */
6274         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6275
6276         /* Entering applications like rdesktop that mangle the pointer */
6277         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6278
6279                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6280                         XSetWindowBorder(display, win->id,
6281                             win->ws->r->s->c[ev->type == FocusIn ?
6282                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6283                 break;
6284         default:
6285                 fprintf(stderr, "ignoring focusevent\n");
6286                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6287                 break;
6288         }
6289 #endif
6290 }
6291
6292 void
6293 mapnotify(XEvent *e)
6294 {
6295         struct ws_win           *win;
6296         XMapEvent               *ev = &e->xmap;
6297
6298         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6299
6300         win = manage_window(ev->window);
6301         if (win)
6302                 set_win_state(win, NormalState);
6303 }
6304
6305 void
6306 mappingnotify(XEvent *e)
6307 {
6308         XMappingEvent           *ev = &e->xmapping;
6309
6310         XRefreshKeyboardMapping(ev);
6311         if (ev->request == MappingKeyboard)
6312                 grabkeys();
6313 }
6314
6315 void
6316 maprequest(XEvent *e)
6317 {
6318         struct ws_win           *win;
6319         struct swm_region       *r;
6320         XWindowAttributes       wa;
6321         XMapRequestEvent        *ev = &e->xmaprequest;
6322
6323         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6324             e->xmaprequest.window);
6325
6326         if (!XGetWindowAttributes(display, ev->window, &wa))
6327                 return;
6328         if (wa.override_redirect)
6329                 return;
6330
6331         win = manage_window(e->xmaprequest.window);
6332         if (win == NULL)
6333                 return; /* can't happen */
6334
6335         stack();
6336
6337         /* make new win focused */
6338         r = root_to_region(win->wa.root);
6339         if (win->ws == r->ws)
6340                 focus_magic(win);
6341 }
6342
6343 void
6344 propertynotify(XEvent *e)
6345 {
6346         struct ws_win           *win;
6347         XPropertyEvent          *ev = &e->xproperty;
6348 #ifdef SWM_DEBUG
6349         char                    *name;
6350         name = XGetAtomName(display, ev->atom);
6351         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6352             ev->window, name);
6353         XFree(name);
6354 #endif
6355
6356         win = find_window(ev->window);
6357         if (win == NULL)
6358                 return;
6359
6360         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6361                 update_iconic(win, 0);
6362                 XMapRaised(display, win->id);
6363                 stack();
6364                 focus_win(win);
6365                 return;
6366         }
6367
6368         switch (ev->atom) {
6369 #if 0
6370         case XA_WM_NORMAL_HINTS:
6371                 long            mask;
6372                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6373                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
6374                 if (win->sh.flags & PMinSize) {
6375                         WIDTH(win) = win->sh.min_width;
6376                         HEIGHT(win) = win->sh.min_height;
6377                         fprintf(stderr, "min %d %d\n", WIDTH(win), HEIGHT(win));
6378                 }
6379                 XMoveResizeWindow(display, win->id,
6380                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6381 #endif
6382         case XA_WM_CLASS:
6383                 if (title_name_enabled || title_class_enabled)
6384                         bar_update();
6385                 break;
6386         case XA_WM_NAME:
6387                 if (window_name_enabled)
6388                         bar_update();
6389                 break;
6390         default:
6391                 break;
6392         }
6393 }
6394
6395 void
6396 unmapnotify(XEvent *e)
6397 {
6398         struct ws_win           *win;
6399
6400         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
6401
6402         /* determine if we need to help unmanage this window */
6403         win = find_window(e->xunmap.window);
6404         if (win == NULL)
6405                 return;
6406
6407         if (getstate(e->xunmap.window) == NormalState) {
6408                 unmanage_window(win);
6409                 stack();
6410
6411                 /* giant hack for apps that don't destroy transient windows */
6412                 /* eat a bunch of events to prevent remanaging the window */
6413                 XEvent                  cne;
6414                 while (XCheckWindowEvent(display, e->xunmap.window,
6415                     EnterWindowMask, &cne))
6416                         ;
6417                 while (XCheckWindowEvent(display, e->xunmap.window,
6418                     StructureNotifyMask, &cne))
6419                         ;
6420                 while (XCheckWindowEvent(display, e->xunmap.window,
6421                     SubstructureNotifyMask, &cne))
6422                         ;
6423                 /* resend unmap because we ated it */
6424                 XUnmapWindow(display, e->xunmap.window);
6425         }
6426
6427         if (focus_mode == SWM_FOCUS_DEFAULT)
6428                 drain_enter_notify();
6429 }
6430
6431 void
6432 visibilitynotify(XEvent *e)
6433 {
6434         int                     i;
6435         struct swm_region       *r;
6436
6437         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
6438             e->xvisibility.window);
6439         if (e->xvisibility.state == VisibilityUnobscured)
6440                 for (i = 0; i < ScreenCount(display); i++)
6441                         TAILQ_FOREACH(r, &screens[i].rl, entry)
6442                                 if (e->xvisibility.window == r->bar_window)
6443                                         bar_update();
6444 }
6445
6446 void
6447 clientmessage(XEvent *e)
6448 {
6449         XClientMessageEvent *ev;
6450         struct ws_win *win;
6451
6452         ev = &e->xclient;
6453
6454         win = find_window(ev->window);
6455         if (win == NULL)
6456                 return;
6457
6458         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
6459             ev->window, ev->message_type);
6460
6461         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6462                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
6463                 focus_win(win);
6464         }
6465         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6466                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
6467                 if (win->can_delete)
6468                         client_msg(win, adelete);
6469                 else
6470                         XKillClient(display, win->id);
6471         }
6472         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6473                 DNPRINTF(SWM_D_EVENT,
6474                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
6475                 if (win->floating) {
6476                         if (ev->data.l[0] & (1<<8)) /* x */
6477                                 X(win) = ev->data.l[1];
6478                         if (ev->data.l[0] & (1<<9)) /* y */
6479                                 Y(win) = ev->data.l[2];
6480                         if (ev->data.l[0] & (1<<10)) /* width */
6481                                 WIDTH(win) = ev->data.l[3];
6482                         if (ev->data.l[0] & (1<<11)) /* height */
6483                                 HEIGHT(win) = ev->data.l[4];
6484
6485                         update_window(win);
6486                 }
6487                 else {
6488                         /* TODO: Change stack sizes */
6489                         /* notify no change was made. */
6490                         config_win(win, NULL);
6491                 }
6492         }
6493         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
6494                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
6495                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
6496                 if (ev->data.l[2])
6497                         ewmh_update_win_state(win, ev->data.l[2],
6498                             ev->data.l[0]);
6499
6500                 stack();
6501         }
6502 }
6503
6504 int
6505 xerror_start(Display *d, XErrorEvent *ee)
6506 {
6507         other_wm = 1;
6508         return (-1);
6509 }
6510
6511 int
6512 xerror(Display *d, XErrorEvent *ee)
6513 {
6514         /* fprintf(stderr, "error: %p %p\n", display, ee); */
6515         return (-1);
6516 }
6517
6518 int
6519 active_wm(void)
6520 {
6521         other_wm = 0;
6522         xerrorxlib = XSetErrorHandler(xerror_start);
6523
6524         /* this causes an error if some other window manager is running */
6525         XSelectInput(display, DefaultRootWindow(display),
6526             SubstructureRedirectMask);
6527         XSync(display, False);
6528         if (other_wm)
6529                 return (1);
6530
6531         XSetErrorHandler(xerror);
6532         XSync(display, False);
6533         return (0);
6534 }
6535
6536 void
6537 new_region(struct swm_screen *s, int x, int y, int w, int h)
6538 {
6539         struct swm_region       *r, *n;
6540         struct workspace        *ws = NULL;
6541         int                     i;
6542
6543         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6544              s->idx, w, h, x, y);
6545
6546         /* remove any conflicting regions */
6547         n = TAILQ_FIRST(&s->rl);
6548         while (n) {
6549                 r = n;
6550                 n = TAILQ_NEXT(r, entry);
6551                 if (X(r) < (x + w) &&
6552                     (X(r) + WIDTH(r)) > x &&
6553                     Y(r) < (y + h) &&
6554                     (Y(r) + HEIGHT(r)) > y) {
6555                         if (r->ws->r != NULL)
6556                                 r->ws->old_r = r->ws->r;
6557                         r->ws->r = NULL;
6558                         XDestroyWindow(display, r->bar_window);
6559                         TAILQ_REMOVE(&s->rl, r, entry);
6560                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6561                 }
6562         }
6563
6564         /* search old regions for one to reuse */
6565
6566         /* size + location match */
6567         TAILQ_FOREACH(r, &s->orl, entry)
6568                 if (X(r) == x && Y(r) == y &&
6569                     HEIGHT(r) == h && WIDTH(r) == w)
6570                         break;
6571
6572         /* size match */
6573         TAILQ_FOREACH(r, &s->orl, entry)
6574                 if (HEIGHT(r) == h && WIDTH(r) == w)
6575                         break;
6576
6577         if (r != NULL) {
6578                 TAILQ_REMOVE(&s->orl, r, entry);
6579                 /* try to use old region's workspace */
6580                 if (r->ws->r == NULL)
6581                         ws = r->ws;
6582         } else
6583                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6584                         err(1, "new_region: calloc: failed to allocate memory "
6585                             "for screen");
6586
6587         /* if we don't have a workspace already, find one */
6588         if (ws == NULL) {
6589                 for (i = 0; i < SWM_WS_MAX; i++)
6590                         if (s->ws[i].r == NULL) {
6591                                 ws = &s->ws[i];
6592                                 break;
6593                         }
6594         }
6595
6596         if (ws == NULL)
6597                 errx(1, "new_region: no free workspaces");
6598
6599         X(r) = x;
6600         Y(r) = y;
6601         WIDTH(r) = w;
6602         HEIGHT(r) = h;
6603         r->s = s;
6604         r->ws = ws;
6605         r->ws_prior = NULL;
6606         ws->r = r;
6607         outputs++;
6608         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6609 }
6610
6611 void
6612 scan_xrandr(int i)
6613 {
6614 #ifdef SWM_XRR_HAS_CRTC
6615         XRRCrtcInfo             *ci;
6616         XRRScreenResources      *sr;
6617         int                     c;
6618         int                     ncrtc = 0;
6619 #endif /* SWM_XRR_HAS_CRTC */
6620         struct swm_region       *r;
6621
6622
6623         if (i >= ScreenCount(display))
6624                 errx(1, "scan_xrandr: invalid screen");
6625
6626         /* remove any old regions */
6627         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6628                 r->ws->old_r = r->ws->r = NULL;
6629                 XDestroyWindow(display, r->bar_window);
6630                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6631                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6632         }
6633         outputs = 0;
6634
6635         /* map virtual screens onto physical screens */
6636 #ifdef SWM_XRR_HAS_CRTC
6637         if (xrandr_support) {
6638                 sr = XRRGetScreenResources(display, screens[i].root);
6639                 if (sr == NULL)
6640                         new_region(&screens[i], 0, 0,
6641                             DisplayWidth(display, i),
6642                             DisplayHeight(display, i));
6643                 else
6644                         ncrtc = sr->ncrtc;
6645
6646                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6647                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6648                         if (ci->noutput == 0)
6649                                 continue;
6650
6651                         if (ci != NULL && ci->mode == None)
6652                                 new_region(&screens[i], 0, 0,
6653                                     DisplayWidth(display, i),
6654                                     DisplayHeight(display, i));
6655                         else
6656                                 new_region(&screens[i],
6657                                     ci->x, ci->y, ci->width, ci->height);
6658                 }
6659                 if (ci)
6660                         XRRFreeCrtcInfo(ci);
6661                 XRRFreeScreenResources(sr);
6662         } else
6663 #endif /* SWM_XRR_HAS_CRTC */
6664         {
6665                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
6666                     DisplayHeight(display, i));
6667         }
6668 }
6669
6670 void
6671 screenchange(XEvent *e) {
6672         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
6673         struct swm_region               *r;
6674         int                             i;
6675
6676         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
6677
6678         if (!XRRUpdateConfiguration(e))
6679                 return;
6680
6681         /* silly event doesn't include the screen index */
6682         for (i = 0; i < ScreenCount(display); i++)
6683                 if (screens[i].root == xe->root)
6684                         break;
6685         if (i >= ScreenCount(display))
6686                 errx(1, "screenchange: screen not found");
6687
6688         /* brute force for now, just re-enumerate the regions */
6689         scan_xrandr(i);
6690
6691         /* add bars to all regions */
6692         for (i = 0; i < ScreenCount(display); i++)
6693                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6694                         bar_setup(r);
6695         stack();
6696         if (focus_mode == SWM_FOCUS_DEFAULT)
6697                 drain_enter_notify();
6698 }
6699
6700 void
6701 grab_windows(void)
6702 {
6703         Window                  d1, d2, *wins = NULL;
6704         XWindowAttributes       wa;
6705         unsigned int            no;
6706         int                     i, j;
6707         long                    state, manage;
6708
6709         for (i = 0; i < ScreenCount(display); i++) {
6710                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
6711                         continue;
6712
6713                 /* attach windows to a region */
6714                 /* normal windows */
6715                 for (j = 0; j < no; j++) {
6716                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6717                             wa.override_redirect ||
6718                             XGetTransientForHint(display, wins[j], &d1))
6719                                 continue;
6720
6721                         state = getstate(wins[j]);
6722                         manage = state == IconicState;
6723                         if (wa.map_state == IsViewable || manage)
6724                                 manage_window(wins[j]);
6725                 }
6726                 /* transient windows */
6727                 for (j = 0; j < no; j++) {
6728                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6729                             wa.override_redirect)
6730                                 continue;
6731
6732                         state = getstate(wins[j]);
6733                         manage = state == IconicState;
6734                         if (XGetTransientForHint(display, wins[j], &d1) &&
6735                             manage)
6736                                 manage_window(wins[j]);
6737                 }
6738                 if (wins) {
6739                         XFree(wins);
6740                         wins = NULL;
6741                 }
6742         }
6743 }
6744
6745 void
6746 setup_screens(void)
6747 {
6748         int                     i, j, k;
6749         int                     errorbase, major, minor;
6750         struct workspace        *ws;
6751         XGCValues               gcv;
6752
6753         if ((screens = calloc(ScreenCount(display),
6754              sizeof(struct swm_screen))) == NULL)
6755                 err(1, "setup_screens: calloc: failed to allocate memory for "
6756                     "screens");
6757
6758         /* initial Xrandr setup */
6759         xrandr_support = XRRQueryExtension(display,
6760             &xrandr_eventbase, &errorbase);
6761         if (xrandr_support)
6762                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6763                         xrandr_support = 0;
6764
6765         /* map physical screens */
6766         for (i = 0; i < ScreenCount(display); i++) {
6767                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
6768                 screens[i].idx = i;
6769                 TAILQ_INIT(&screens[i].rl);
6770                 TAILQ_INIT(&screens[i].orl);
6771                 screens[i].root = RootWindow(display, i);
6772
6773                 /* set default colors */
6774                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6775                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6776                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6777                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6778                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6779
6780                 /* create graphics context on screen with default font color */
6781                 screens[i].bar_gc = XCreateGC(display, screens[i].root, 0,
6782                     &gcv);
6783
6784                 XSetForeground(display, screens[i].bar_gc,
6785                     screens[i].c[SWM_S_COLOR_BAR_FONT].color);
6786
6787                 /* set default cursor */
6788                 XDefineCursor(display, screens[i].root,
6789                     XCreateFontCursor(display, XC_left_ptr));
6790
6791                 /* init all workspaces */
6792                 /* XXX these should be dynamically allocated too */
6793                 for (j = 0; j < SWM_WS_MAX; j++) {
6794                         ws = &screens[i].ws[j];
6795                         ws->idx = j;
6796                         ws->name = NULL;
6797                         ws->focus = NULL;
6798                         ws->r = NULL;
6799                         ws->old_r = NULL;
6800                         TAILQ_INIT(&ws->winlist);
6801                         TAILQ_INIT(&ws->unmanagedlist);
6802
6803                         for (k = 0; layouts[k].l_stack != NULL; k++)
6804                                 if (layouts[k].l_config != NULL)
6805                                         layouts[k].l_config(ws,
6806                                             SWM_ARG_ID_STACKINIT);
6807                         ws->cur_layout = &layouts[0];
6808                         ws->cur_layout->l_string(ws);
6809                 }
6810
6811                 scan_xrandr(i);
6812
6813                 if (xrandr_support)
6814                         XRRSelectInput(display, screens[i].root,
6815                             RRScreenChangeNotifyMask);
6816         }
6817 }
6818
6819 void
6820 setup_globals(void)
6821 {
6822         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
6823                 err(1, "setup_globals: strdup: failed to allocate memory.");
6824
6825         if ((spawn_term[0] = strdup("xterm")) == NULL)
6826                 err(1, "setup_globals: strdup: failed to allocate memory.");
6827
6828         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6829                 err(1, "setup_globals: strdup: failed to allocate memory.");
6830 }
6831
6832 void
6833 workaround(void)
6834 {
6835         int                     i;
6836         Atom                    netwmcheck, netwmname, utf8_string;
6837         Window                  root, win;
6838
6839         /* work around sun jdk bugs, code from wmname */
6840         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6841         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6842         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6843         for (i = 0; i < ScreenCount(display); i++) {
6844                 root = screens[i].root;
6845                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6846                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6847                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6848
6849                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6850                     PropModeReplace, (unsigned char *)&win,1);
6851                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6852                     PropModeReplace, (unsigned char *)&win,1);
6853                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6854                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6855         }
6856 }
6857
6858 int
6859 main(int argc, char *argv[])
6860 {
6861         struct swm_region       *r, *rr;
6862         struct ws_win           *winfocus = NULL;
6863         struct timeval          tv;
6864         union arg               a;
6865         char                    conf[PATH_MAX], *cfile = NULL;
6866         struct stat             sb;
6867         XEvent                  e;
6868         int                     xfd, i;
6869         fd_set                  rd;
6870         struct sigaction        sact;
6871
6872         start_argv = argv;
6873         fprintf(stderr, "Welcome to scrotwm V%s Build: %s\n",
6874             SCROTWM_VERSION, buildstr);
6875         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
6876             !XSupportsLocale())
6877                 warnx("no locale support");
6878
6879         if (!X_HAVE_UTF8_STRING)
6880                 warnx("no UTF-8 support");
6881
6882         if (!(display = XOpenDisplay(0)))
6883                 errx(1, "can not open display");
6884
6885         if (active_wm())
6886                 errx(1, "other wm running");
6887
6888         /* handle some signals */
6889         bzero(&sact, sizeof(sact));
6890         sigemptyset(&sact.sa_mask);
6891         sact.sa_flags = 0;
6892         sact.sa_handler = sighdlr;
6893         sigaction(SIGINT, &sact, NULL);
6894         sigaction(SIGQUIT, &sact, NULL);
6895         sigaction(SIGTERM, &sact, NULL);
6896         sigaction(SIGHUP, &sact, NULL);
6897
6898         sact.sa_handler = sighdlr;
6899         sact.sa_flags = SA_NOCLDSTOP;
6900         sigaction(SIGCHLD, &sact, NULL);
6901
6902         astate = XInternAtom(display, "WM_STATE", False);
6903         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6904         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6905         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6906         a_wmname = XInternAtom(display, "WM_NAME", False);
6907         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6908         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6909         a_string = XInternAtom(display, "STRING", False);
6910         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6911
6912         /* look for local and global conf file */
6913         pwd = getpwuid(getuid());
6914         if (pwd == NULL)
6915                 errx(1, "invalid user: %d", getuid());
6916
6917         setup_globals();
6918         setup_screens();
6919         setup_keys();
6920         setup_quirks();
6921         setup_spawn();
6922
6923         /* load config */
6924         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6925         if (stat(conf, &sb) != -1) {
6926                 if (S_ISREG(sb.st_mode))
6927                         cfile = conf;
6928         } else {
6929                 /* try global conf file */
6930                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6931                 if (!stat(conf, &sb))
6932                         if (S_ISREG(sb.st_mode))
6933                                 cfile = conf;
6934         }
6935
6936         /* load conf (if any) and refresh font color in bar graphics contexts */
6937         if (cfile && conf_load(cfile, SWM_CONF_DEFAULT) == 0)
6938                 for (i = 0; i < ScreenCount(display); ++i)
6939                         XSetForeground(display, screens[i].bar_gc,
6940                             screens[i].c[SWM_S_COLOR_BAR_FONT].color);
6941
6942         setup_ewmh();
6943         /* set some values to work around bad programs */
6944         workaround();
6945         /* grab existing windows (before we build the bars) */
6946         grab_windows();
6947
6948         if (getenv("SWM_STARTED") == NULL)
6949                 setenv("SWM_STARTED", "YES", 1);
6950
6951         /* setup all bars */
6952         for (i = 0; i < ScreenCount(display); i++)
6953                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6954                         if (winfocus == NULL)
6955                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6956                         bar_setup(r);
6957                 }
6958
6959         unfocus_all();
6960
6961         grabkeys();
6962         stack();
6963         if (focus_mode == SWM_FOCUS_DEFAULT)
6964                 drain_enter_notify();
6965
6966         xfd = ConnectionNumber(display);
6967         while (running) {
6968                 while (XPending(display)) {
6969                         XNextEvent(display, &e);
6970                         if (running == 0)
6971                                 goto done;
6972                         if (e.type < LASTEvent) {
6973                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
6974                                     "window: 0x%lx, type: %s (%d), %d remaining"
6975                                     "\n", YESNO(handler[e.type]),
6976                                     e.xany.window, geteventname(&e),
6977                                     e.type, QLength(display));
6978
6979                                 if (handler[e.type])
6980                                         handler[e.type](&e);
6981                         } else {
6982                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
6983                                     "0x%lx, type: %s (%d)\n", e.xany.window,
6984                                     xrandr_geteventname(&e), e.type);
6985
6986                                 switch (e.type - xrandr_eventbase) {
6987                                 case RRScreenChangeNotify:
6988                                         screenchange(&e);
6989                                         break;
6990                                 default:
6991                                         break;
6992                                 }
6993                         }
6994                 }
6995
6996                 /* if we are being restarted go focus on first window */
6997                 if (winfocus) {
6998                         rr = winfocus->ws->r;
6999                         if (rr == NULL) {
7000                                 /* not a visible window */
7001                                 winfocus = NULL;
7002                                 continue;
7003                         }
7004                         /* move pointer to first screen if multi screen */
7005                         if (ScreenCount(display) > 1 || outputs > 1)
7006                                 XWarpPointer(display, None, rr->s[0].root,
7007                                     0, 0, 0, 0, X(rr),
7008                                     Y(rr) + (bar_enabled ? bar_height : 0));
7009
7010                         a.id = SWM_ARG_ID_FOCUSCUR;
7011                         focus(rr, &a);
7012                         winfocus = NULL;
7013                         continue;
7014                 }
7015
7016                 FD_ZERO(&rd);
7017                 FD_SET(xfd, &rd);
7018                 tv.tv_sec = 1;
7019                 tv.tv_usec = 0;
7020                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7021                         if (errno != EINTR)
7022                                 DNPRINTF(SWM_D_MISC, "select failed");
7023                 if (restart_wm == 1)
7024                         restart(NULL, NULL);
7025                 if (search_resp == 1)
7026                         search_do_resp();
7027                 if (running == 0)
7028                         goto done;
7029                 if (bar_alarm) {
7030                         bar_alarm = 0;
7031                         bar_update();
7032                 }
7033         }
7034 done:
7035         teardown_ewmh();
7036         bar_extra_stop();
7037
7038         for (i = 0; i < ScreenCount(display); ++i)
7039                 if (screens[i].bar_gc != NULL)
7040                         XFreeGC(display, screens[i].bar_gc);
7041
7042         XFreeFontSet(display, bar_fs);
7043         XCloseDisplay(display);
7044
7045         return (0);
7046 }