spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <paths.h>
  70 #include <ctype.h>
  71
  72 #include <sys/types.h>
  73 #include <sys/time.h>
  74 #include <sys/stat.h>
  75 #include <sys/wait.h>
  76 #include <sys/queue.h>
  77 #include <sys/param.h>
  78 #include <sys/select.h>
  79 #if defined(__linux__)
  80 #include "tree.h"
  81 #elif defined(__OpenBSD__)
  82 #include <sys/tree.h>
  83 #elif defined(__FreeBSD__)
  84 #include <sys/tree.h>
  85 #else
  86 #include "tree.h"
  87 #endif
  88
  89 #include <X11/cursorfont.h>
  90 #include <X11/keysym.h>
  91 #include <X11/XKBlib.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/Xlib.h>
  94 #include <X11/Xproto.h>
  95 #include <X11/Xutil.h>
  96 #include <X11/extensions/Xrandr.h>
  97 #include <X11/extensions/XTest.h>
  98
  99 #ifdef __OSX__
 100 #include <osx.h>
 101 #endif
 102
 103 #include "version.h"
 104
 105 #ifdef SPECTRWM_BUILDSTR
 106 static const char       *buildstr = SPECTRWM_BUILDSTR;
 107 #else
 108 static const char       *buildstr = SPECTRWM_VERSION;
 109 #endif
 110
 111 #if RANDR_MAJOR < 1
 112 #  error XRandR versions less than 1.0 are not supported
 113 #endif
 114
 115 #if RANDR_MAJOR >= 1
 116 #if RANDR_MINOR >= 2
 117 #define SWM_XRR_HAS_CRTC
 118 #endif
 119 #endif
 120
 121 /*#define SWM_DEBUG*/
 122 #ifdef SWM_DEBUG
 123 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 124 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 125 #define SWM_D_MISC              0x0001
 126 #define SWM_D_EVENT             0x0002
 127 #define SWM_D_WS                0x0004
 128 #define SWM_D_FOCUS             0x0008
 129 #define SWM_D_MOVE              0x0010
 130 #define SWM_D_STACK             0x0020
 131 #define SWM_D_MOUSE             0x0040
 132 #define SWM_D_PROP              0x0080
 133 #define SWM_D_CLASS             0x0100
 134 #define SWM_D_KEY               0x0200
 135 #define SWM_D_QUIRK             0x0400
 136 #define SWM_D_SPAWN             0x0800
 137 #define SWM_D_EVENTQ            0x1000
 138 #define SWM_D_CONF              0x2000
 139 #define SWM_D_BAR               0x4000
 140
 141 u_int32_t               swm_debug = 0
 142                             | SWM_D_MISC
 143                             | SWM_D_EVENT
 144                             | SWM_D_WS
 145                             | SWM_D_FOCUS
 146                             | SWM_D_MOVE
 147                             | SWM_D_STACK
 148                             | SWM_D_MOUSE
 149                             | SWM_D_PROP
 150                             | SWM_D_CLASS
 151                             | SWM_D_KEY
 152                             | SWM_D_QUIRK
 153                             | SWM_D_SPAWN
 154                             | SWM_D_EVENTQ
 155                             | SWM_D_CONF
 156                             | SWM_D_BAR
 157                             ;
 158 #else
 159 #define DPRINTF(x...)
 160 #define DNPRINTF(n,x...)
 161 #endif
 162
 163 #define LENGTH(x)               (sizeof x / sizeof x[0])
 164 #define MODKEY                  Mod1Mask
 165 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 166 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 167 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 168 #define SWM_PROPLEN             (16)
 169 #define SWM_FUNCNAME_LEN        (32)
 170 #define SWM_KEYS_LEN            (255)
 171 #define SWM_QUIRK_LEN           (64)
 172 #define X(r)                    (r)->g.x
 173 #define Y(r)                    (r)->g.y
 174 #define WIDTH(r)                (r)->g.w
 175 #define HEIGHT(r)               (r)->g.h
 176 #define SH_MIN(w)               (w)->sh_mask & PMinSize
 177 #define SH_MIN_W(w)             (w)->sh.min_width
 178 #define SH_MIN_H(w)             (w)->sh.min_height
 179 #define SH_MAX(w)               (w)->sh_mask & PMaxSize
 180 #define SH_MAX_W(w)             (w)->sh.max_width
 181 #define SH_MAX_H(w)             (w)->sh.max_height
 182 #define SH_INC(w)               (w)->sh_mask & PResizeInc
 183 #define SH_INC_W(w)             (w)->sh.width_inc
 184 #define SH_INC_H(w)             (w)->sh.height_inc
 185 #define SWM_MAX_FONT_STEPS      (3)
 186 #define WINID(w)                ((w) ? (w)->id : 0)
 187 #define YESNO(x)                ((x) ? "yes" : "no")
 188
 189 #define SWM_FOCUS_DEFAULT       (0)
 190 #define SWM_FOCUS_SYNERGY       (1)
 191 #define SWM_FOCUS_FOLLOW        (2)
 192
 193 #define SWM_CONF_DEFAULT        (0)
 194 #define SWM_CONF_KEYMAPPING     (1)
 195
 196 #ifndef SWM_LIB
 197 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 198 #endif
 199
 200 char                    **start_argv;
 201 Atom                    astate;
 202 Atom                    aprot;
 203 Atom                    adelete;
 204 Atom                    takefocus;
 205 Atom                    a_wmname;
 206 Atom                    a_netwmname;
 207 Atom                    a_utf8_string;
 208 Atom                    a_string;
 209 Atom                    a_swm_iconic;
 210 volatile sig_atomic_t   running = 1;
 211 volatile sig_atomic_t   restart_wm = 0;
 212 int                     outputs = 0;
 213 int                     last_focus_event = FocusOut;
 214 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 215 int                     other_wm;
 216 int                     ss_enabled = 0;
 217 int                     xrandr_support;
 218 int                     xrandr_eventbase;
 219 unsigned int            numlockmask = 0;
 220 Display                 *display;
 221
 222 int                     cycle_empty = 0;
 223 int                     cycle_visible = 0;
 224 int                     term_width = 0;
 225 int                     font_adjusted = 0;
 226 unsigned int            mod_key = MODKEY;
 227
 228 /* dmenu search */
 229 struct swm_region       *search_r;
 230 int                     select_list_pipe[2];
 231 int                     select_resp_pipe[2];
 232 pid_t                   searchpid;
 233 volatile sig_atomic_t   search_resp;
 234 int                     search_resp_action;
 235
 236 struct search_window {
 237         TAILQ_ENTRY(search_window)      entry;
 238         int                             idx;
 239         struct ws_win                   *win;
 240         GC                              gc;
 241         Window                          indicator;
 242 };
 243 TAILQ_HEAD(search_winlist, search_window);
 244 struct search_winlist                   search_wl;
 245
 246 /* search actions */
 247 enum {
 248         SWM_SEARCH_NONE,
 249         SWM_SEARCH_UNICONIFY,
 250         SWM_SEARCH_NAME_WORKSPACE,
 251         SWM_SEARCH_SEARCH_WORKSPACE,
 252         SWM_SEARCH_SEARCH_WINDOW
 253 };
 254
 255 #define SWM_STACK_TOP           (0)
 256 #define SWM_STACK_BOTTOM        (1)
 257 #define SWM_STACK_ABOVE         (2)
 258 #define SWM_STACK_BELOW         (3)
 259
 260 /* dialog windows */
 261 double                  dialog_ratio = 0.6;
 262 /* status bar */
 263 #define SWM_BAR_MAX             (256)
 264 #define SWM_BAR_JUSTIFY_LEFT    (0)
 265 #define SWM_BAR_JUSTIFY_CENTER  (1)
 266 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 267 #define SWM_BAR_OFFSET          (4)
 268 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 269                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 270                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 271                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 272                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 273
 274 #ifdef X_HAVE_UTF8_STRING
 275 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 276 #else
 277 #define DRAWSTRING(x...)        XmbDrawString(x)
 278 #endif
 279
 280 char                    *bar_argv[] = { NULL, NULL };
 281 int                     bar_pipe[2];
 282 unsigned char           bar_ext[SWM_BAR_MAX];
 283 char                    bar_vertext[SWM_BAR_MAX];
 284 int                     bar_version = 0;
 285 sig_atomic_t            bar_alarm = 0;
 286 int                     bar_delay = 30;
 287 int                     bar_enabled = 1;
 288 int                     bar_border_width = 1;
 289 int                     bar_at_bottom = 0;
 290 int                     bar_extra = 1;
 291 int                     bar_extra_running = 0;
 292 int                     bar_verbose = 1;
 293 int                     bar_height = 0;
 294 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 295 char                    *bar_format = NULL;
 296 int                     stack_enabled = 1;
 297 int                     clock_enabled = 1;
 298 int                     urgent_enabled = 0;
 299 char                    *clock_format = NULL;
 300 int                     title_name_enabled = 0;
 301 int                     title_class_enabled = 0;
 302 int                     window_name_enabled = 0;
 303 int                     focus_mode = SWM_FOCUS_DEFAULT;
 304 int                     focus_close = SWM_STACK_BELOW;
 305 int                     focus_close_wrap = 1;
 306 int                     focus_default = SWM_STACK_TOP;
 307 int                     spawn_position = SWM_STACK_TOP;
 308 int                     disable_border = 0;
 309 int                     border_width = 1;
 310 int                     verbose_layout = 0;
 311 pid_t                   bar_pid;
 312 XFontSet                bar_fs;
 313 XFontSetExtents         *bar_fs_extents;
 314 char                    *bar_fonts;
 315 char                    *spawn_term[] = { NULL, NULL }; /* XXX fully dynamic */
 316 struct passwd           *pwd;
 317
 318 #define SWM_MENU_FN     (2)
 319 #define SWM_MENU_NB     (4)
 320 #define SWM_MENU_NF     (6)
 321 #define SWM_MENU_SB     (8)
 322 #define SWM_MENU_SF     (10)
 323
 324 /* layout manager data */
 325 struct swm_geometry {
 326         int                     x;
 327         int                     y;
 328         int                     w;
 329         int                     h;
 330 };
 331
 332 struct swm_screen;
 333 struct workspace;
 334
 335 /* virtual "screens" */
 336 struct swm_region {
 337         TAILQ_ENTRY(swm_region) entry;
 338         struct swm_geometry     g;
 339         struct workspace        *ws;    /* current workspace on this region */
 340         struct workspace        *ws_prior; /* prior workspace on this region */
 341         struct swm_screen       *s;     /* screen idx */
 342         Window                  bar_window;
 343 };
 344 TAILQ_HEAD(swm_region_list, swm_region);
 345
 346 struct ws_win {
 347         TAILQ_ENTRY(ws_win)     entry;
 348         Window                  id;
 349         Window                  transient;
 350         struct ws_win           *child_trans;   /* transient child window */
 351         struct swm_geometry     g;              /* current geometry */
 352         struct swm_geometry     g_float;        /* geometry when floating */
 353         struct swm_geometry     rg_float;       /* region geom when floating */
 354         int                     g_floatvalid;   /* g_float geometry validity */
 355         int                     floatmaxed;     /* whether maxed by max_stack */
 356         int                     floating;
 357         int                     manual;
 358         int                     iconic;
 359         unsigned int            ewmh_flags;
 360         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 361         int                     font_steps;
 362         int                     last_inc;
 363         int                     can_delete;
 364         int                     take_focus;
 365         int                     java;
 366         unsigned long           quirks;
 367         struct workspace        *ws;    /* always valid */
 368         struct swm_screen       *s;     /* always valid, never changes */
 369         XWindowAttributes       wa;
 370         XSizeHints              sh;
 371         long                    sh_mask;
 372         XClassHint              ch;
 373         XWMHints                *hints;
 374 };
 375 TAILQ_HEAD(ws_win_list, ws_win);
 376
 377 /* pid goo */
 378 struct pid_e {
 379         TAILQ_ENTRY(pid_e)      entry;
 380         long                    pid;
 381         int                     ws;
 382 };
 383 TAILQ_HEAD(pid_list, pid_e);
 384 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 385
 386 /* layout handlers */
 387 void    stack(void);
 388 void    vertical_config(struct workspace *, int);
 389 void    vertical_stack(struct workspace *, struct swm_geometry *);
 390 void    horizontal_config(struct workspace *, int);
 391 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 392 void    max_stack(struct workspace *, struct swm_geometry *);
 393 void    plain_stacker(struct workspace *);
 394 void    fancy_stacker(struct workspace *);
 395
 396 struct ws_win *find_window(Window);
 397
 398 void    grabbuttons(struct ws_win *, int);
 399 void    new_region(struct swm_screen *, int, int, int, int);
 400 void    unmanage_window(struct ws_win *);
 401 long    getstate(Window);
 402
 403 int     conf_load(char *, int);
 404
 405 struct layout {
 406         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 407         void            (*l_config)(struct workspace *, int);
 408         u_int32_t       flags;
 409 #define SWM_L_FOCUSPREV         (1<<0)
 410 #define SWM_L_MAPONFOCUS        (1<<1)
 411         void            (*l_string)(struct workspace *);
 412 } layouts[] =  {
 413         /* stack,               configure */
 414         { vertical_stack,       vertical_config,        0,      plain_stacker },
 415         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 416         { max_stack,            NULL,
 417           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 418         { NULL,                 NULL,                   0,      NULL  },
 419 };
 420
 421 /* position of max_stack mode in the layouts array, index into layouts! */
 422 #define SWM_V_STACK             (0)
 423 #define SWM_H_STACK             (1)
 424 #define SWM_MAX_STACK           (2)
 425
 426 #define SWM_H_SLICE             (32)
 427 #define SWM_V_SLICE             (32)
 428
 429 /* define work spaces */
 430 struct workspace {
 431         int                     idx;            /* workspace index */
 432         char                    *name;          /* workspace name */
 433         int                     always_raise;   /* raise windows on focus */
 434         struct layout           *cur_layout;    /* current layout handlers */
 435         struct ws_win           *focus;         /* may be NULL */
 436         struct ws_win           *focus_prev;    /* may be NULL */
 437         struct swm_region       *r;             /* may be NULL */
 438         struct swm_region       *old_r;         /* may be NULL */
 439         struct ws_win_list      winlist;        /* list of windows in ws */
 440         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 441         char                    stacker[10];    /* display stacker and layout */
 442
 443         /* stacker state */
 444         struct {
 445                                 int horizontal_msize;
 446                                 int horizontal_mwin;
 447                                 int horizontal_stacks;
 448                                 int horizontal_flip;
 449                                 int vertical_msize;
 450                                 int vertical_mwin;
 451                                 int vertical_stacks;
 452                                 int vertical_flip;
 453         } l_state;
 454 };
 455
 456 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 457           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 458
 459 /* physical screen mapping */
 460 #define SWM_WS_MAX              (22)    /* hard limit */
 461 int             workspace_limit = 10;   /* soft limit */
 462
 463 struct swm_screen {
 464         int                     idx;    /* screen index */
 465         struct swm_region_list  rl;     /* list of regions on this screen */
 466         struct swm_region_list  orl;    /* list of old regions */
 467         Window                  root;
 468         struct workspace        ws[SWM_WS_MAX];
 469
 470         /* colors */
 471         struct {
 472                 unsigned long   color;
 473                 char            *name;
 474         } c[SWM_S_COLOR_MAX];
 475
 476         GC                      bar_gc;
 477 };
 478 struct swm_screen       *screens;
 479
 480 /* args to functions */
 481 union arg {
 482         int                     id;
 483 #define SWM_ARG_ID_FOCUSNEXT    (0)
 484 #define SWM_ARG_ID_FOCUSPREV    (1)
 485 #define SWM_ARG_ID_FOCUSMAIN    (2)
 486 #define SWM_ARG_ID_FOCUSCUR     (4)
 487 #define SWM_ARG_ID_SWAPNEXT     (10)
 488 #define SWM_ARG_ID_SWAPPREV     (11)
 489 #define SWM_ARG_ID_SWAPMAIN     (12)
 490 #define SWM_ARG_ID_MOVELAST     (13)
 491 #define SWM_ARG_ID_MASTERSHRINK (20)
 492 #define SWM_ARG_ID_MASTERGROW   (21)
 493 #define SWM_ARG_ID_MASTERADD    (22)
 494 #define SWM_ARG_ID_MASTERDEL    (23)
 495 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 496 #define SWM_ARG_ID_STACKRESET   (30)
 497 #define SWM_ARG_ID_STACKINIT    (31)
 498 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 499 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 500 #define SWM_ARG_ID_CYCLESC_UP   (42)
 501 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 502 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 503 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 504 #define SWM_ARG_ID_STACKINC     (50)
 505 #define SWM_ARG_ID_STACKDEC     (51)
 506 #define SWM_ARG_ID_SS_ALL       (60)
 507 #define SWM_ARG_ID_SS_WINDOW    (61)
 508 #define SWM_ARG_ID_DONTCENTER   (70)
 509 #define SWM_ARG_ID_CENTER       (71)
 510 #define SWM_ARG_ID_KILLWINDOW   (80)
 511 #define SWM_ARG_ID_DELETEWINDOW (81)
 512 #define SWM_ARG_ID_WIDTHGROW    (90)
 513 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 514 #define SWM_ARG_ID_HEIGHTGROW   (92)
 515 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 516 #define SWM_ARG_ID_MOVEUP       (100)
 517 #define SWM_ARG_ID_MOVEDOWN     (101)
 518 #define SWM_ARG_ID_MOVELEFT     (102)
 519 #define SWM_ARG_ID_MOVERIGHT    (103)
 520         char                    **argv;
 521 };
 522
 523 void    focus(struct swm_region *, union arg *);
 524 void    focus_magic(struct ws_win *);
 525
 526 /* quirks */
 527 struct quirk {
 528         TAILQ_ENTRY(quirk)      entry;
 529         char                    *class;
 530         char                    *name;
 531         unsigned long           quirk;
 532 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 533 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 534 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 535 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 536 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 537 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 538 };
 539 TAILQ_HEAD(quirk_list, quirk);
 540 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 541
 542 /*
 543  * Supported EWMH hints should be added to
 544  * both the enum and the ewmh array
 545  */
 546 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 547     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 548     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 549     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 550     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 551     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 552     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 553     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 554     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 555     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 556     SWM_EWMH_HINT_MAX };
 557
 558 struct ewmh_hint {
 559         char    *name;
 560         Atom     atom;
 561 } ewmh[SWM_EWMH_HINT_MAX] =     {
 562     /* must be in same order as in the enum */
 563     {"_NET_ACTIVE_WINDOW", None},
 564     {"_NET_MOVERESIZE_WINDOW", None},
 565     {"_NET_CLOSE_WINDOW", None},
 566     {"_NET_WM_WINDOW_TYPE", None},
 567     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 568     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 569     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 570     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 571     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 572     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 573     {"_NET_WM_STATE", None},
 574     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 575     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 576     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 577     {"_NET_WM_STATE_SKIP_PAGER", None},
 578     {"_NET_WM_STATE_HIDDEN", None},
 579     {"_NET_WM_STATE_ABOVE", None},
 580     {"_SWM_WM_STATE_MANUAL", None},
 581     {"_NET_WM_STATE_FULLSCREEN", None},
 582     {"_NET_WM_ALLOWED_ACTIONS", None},
 583     {"_NET_WM_ACTION_MOVE", None},
 584     {"_NET_WM_ACTION_RESIZE", None},
 585     {"_NET_WM_ACTION_FULLSCREEN", None},
 586     {"_NET_WM_ACTION_CLOSE", None},
 587 };
 588
 589 void             store_float_geom(struct ws_win *, struct swm_region *);
 590 int              floating_toggle_win(struct ws_win *);
 591 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 592 unsigned char   *get_win_name(Window);
 593
 594 int
 595 get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
 596     unsigned long *nbytes, unsigned char **data)
 597 {
 598         int                     format, status;
 599         unsigned long           *nbytes_ret, *nitems_ret;
 600         unsigned long           nbytes_tmp, nitems_tmp;
 601         Atom                    real;
 602
 603         nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
 604         nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
 605
 606         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 607             &real, &format, nitems_ret, nbytes_ret, data);
 608
 609         if (status != Success)
 610                 return (False);
 611         if (real != type)
 612                 return (False);
 613
 614         return (True);
 615 }
 616
 617 void
 618 update_iconic(struct ws_win *win, int newv)
 619 {
 620         int32_t v = newv;
 621         Atom iprop;
 622
 623         win->iconic = newv;
 624
 625         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 626         if (!iprop)
 627                 return;
 628         if (newv)
 629                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 630                     PropModeReplace, (unsigned char *)&v, 1);
 631         else
 632                 XDeleteProperty(display, win->id, iprop);
 633 }
 634
 635 int
 636 get_iconic(struct ws_win *win)
 637 {
 638         int32_t v = 0;
 639         int retfmt, status;
 640         Atom iprop, rettype;
 641         unsigned long nitems, extra;
 642         unsigned char *prop = NULL;
 643
 644         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 645         if (!iprop)
 646                 goto out;
 647         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 648             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 649         if (status != Success)
 650                 goto out;
 651         if (rettype != XA_INTEGER || retfmt != 32)
 652                 goto out;
 653         if (nitems != 1)
 654                 goto out;
 655         v = *((int32_t *)prop);
 656
 657 out:
 658         if (prop != NULL)
 659                 XFree(prop);
 660         return (v);
 661 }
 662
 663 void
 664 setup_ewmh(void)
 665 {
 666         int                     i,j;
 667         Atom                    sup_list;
 668
 669         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 670
 671         for (i = 0; i < LENGTH(ewmh); i++)
 672                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 673
 674         for (i = 0; i < ScreenCount(display); i++) {
 675                 /* Support check window will be created by workaround(). */
 676
 677                 /* Report supported atoms */
 678                 XDeleteProperty(display, screens[i].root, sup_list);
 679                 for (j = 0; j < LENGTH(ewmh); j++)
 680                         XChangeProperty(display, screens[i].root,
 681                             sup_list, XA_ATOM, 32,
 682                             PropModeAppend, (unsigned char *)&ewmh[j].atom, 1);
 683         }
 684 }
 685
 686 void
 687 teardown_ewmh(void)
 688 {
 689         int                     i, success;
 690         unsigned char           *data = NULL;
 691         unsigned long           n;
 692         Atom                    sup_check, sup_list;
 693         Window                  id;
 694
 695         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 696         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 697
 698         for (i = 0; i < ScreenCount(display); i++) {
 699                 /* Get the support check window and destroy it */
 700                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 701                     &n, NULL, &data);
 702
 703                 if (success) {
 704                         id = data[0];
 705                         XDestroyWindow(display, id);
 706                         XDeleteProperty(display, screens[i].root, sup_check);
 707                         XDeleteProperty(display, screens[i].root, sup_list);
 708                 }
 709
 710                 XFree(data);
 711         }
 712 }
 713
 714 void
 715 ewmh_autoquirk(struct ws_win *win)
 716 {
 717         int                     success, i;
 718         unsigned long           *data = NULL, n;
 719         Atom                    type;
 720
 721         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 722             XA_ATOM, &n, NULL, (void *)&data);
 723
 724         if (!success) {
 725                 XFree(data);
 726                 return;
 727         }
 728
 729         for (i = 0; i < n; i++) {
 730                 type = data[i];
 731                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 732                         break;
 733                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 734                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 735                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 736                         win->floating = 1;
 737                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 738                         break;
 739                 }
 740                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 741                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 742                         win->floating = 1;
 743                         win->quirks = SWM_Q_FLOAT;
 744                         break;
 745                 }
 746         }
 747
 748         XFree(data);
 749 }
 750
 751 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 752 #define EWMH_F_FULLSCREEN               (1<<0)
 753 #define EWMH_F_ABOVE                    (1<<1)
 754 #define EWMH_F_HIDDEN                   (1<<2)
 755 #define EWMH_F_SKIP_PAGER               (1<<3)
 756 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 757 #define SWM_F_MANUAL                    (1<<5)
 758
 759 int
 760 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 761 {
 762         struct swm_geometry     rg;
 763
 764         if (!win->ws->r)
 765                 return (0);
 766
 767         if (!win->floating)
 768                 return (0);
 769
 770         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 771             "fullscreen %s\n", win->id, YESNO(fs));
 772
 773         rg = win->ws->r->g;
 774
 775         if (fs) {
 776                 store_float_geom(win, win->ws->r);
 777
 778                 win->g = rg;
 779         } else {
 780                 if (win->g_floatvalid) {
 781                         /* refloat at last floating relative position */
 782                         X(win) = win->g_float.x - win->rg_float.x + rg.x;
 783                         Y(win) = win->g_float.y - win->rg_float.y + rg.y;
 784                         WIDTH(win) = win->g_float.w;
 785                         HEIGHT(win) = win->g_float.h;
 786                 }
 787         }
 788
 789         return (1);
 790 }
 791
 792 void
 793 ewmh_update_actions(struct ws_win *win)
 794 {
 795         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 796         int                     n = 0;
 797
 798         if (win == NULL)
 799                 return;
 800
 801         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 802
 803         if (win->floating) {
 804                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 805                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 806         }
 807
 808         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 809             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 810 }
 811
 812 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 813 #define _NET_WM_STATE_ADD       1    /* add/set property */
 814 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 815
 816 void
 817 ewmh_update_win_state(struct ws_win *win, long state, long action)
 818 {
 819         unsigned int            mask = 0;
 820         unsigned int            changed = 0;
 821         unsigned int            orig_flags;
 822
 823         if (win == NULL)
 824                 return;
 825
 826         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 827                 mask = EWMH_F_FULLSCREEN;
 828         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 829                 mask = EWMH_F_ABOVE;
 830         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 831                 mask = SWM_F_MANUAL;
 832         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 833                 mask = EWMH_F_SKIP_PAGER;
 834         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 835                 mask = EWMH_F_SKIP_TASKBAR;
 836
 837
 838         orig_flags = win->ewmh_flags;
 839
 840         switch (action) {
 841         case _NET_WM_STATE_REMOVE:
 842                 win->ewmh_flags &= ~mask;
 843                 break;
 844         case _NET_WM_STATE_ADD:
 845                 win->ewmh_flags |= mask;
 846                 break;
 847         case _NET_WM_STATE_TOGGLE:
 848                 win->ewmh_flags ^= mask;
 849                 break;
 850         }
 851
 852         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 853
 854         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 855                 if (changed)
 856                         if (!floating_toggle_win(win))
 857                                 win->ewmh_flags = orig_flags; /* revert */
 858         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 859                 if (changed)
 860                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 861         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 862                 if (changed)
 863                         if (!ewmh_set_win_fullscreen(win,
 864                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 865                                 win->ewmh_flags = orig_flags; /* revert */
 866
 867         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 868
 869         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 870                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 871                     XA_ATOM, 32, PropModeAppend,
 872                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 873         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 874                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 875                     XA_ATOM, 32, PropModeAppend,
 876                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 877         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 878                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 879                     XA_ATOM, 32, PropModeAppend,
 880                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 881         if (win->ewmh_flags & EWMH_F_ABOVE)
 882                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 883                     XA_ATOM, 32, PropModeAppend,
 884                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 885         if (win->ewmh_flags & SWM_F_MANUAL)
 886                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 887                     XA_ATOM, 32, PropModeAppend,
 888                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 889 }
 890
 891 void
 892 ewmh_get_win_state(struct ws_win *win)
 893 {
 894         int                     success, i;
 895         unsigned long           n;
 896         Atom                    *states;
 897
 898         if (win == NULL)
 899                 return;
 900
 901         win->ewmh_flags = 0;
 902         if (win->floating)
 903                 win->ewmh_flags |= EWMH_F_ABOVE;
 904         if (win->manual)
 905                 win->ewmh_flags |= SWM_F_MANUAL;
 906
 907         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 908             (~0L), XA_ATOM, &n, NULL, (void *)&states);
 909
 910         if (!success)
 911                 return;
 912
 913         for (i = 0; i < n; i++)
 914                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 915
 916         XFree(states);
 917 }
 918
 919 /* events */
 920 #ifdef SWM_DEBUG
 921 char *
 922 geteventname(XEvent *e)
 923 {
 924         char                    *name = NULL;
 925
 926         switch (e->type) {
 927         case KeyPress:
 928                 name = "KeyPress";
 929                 break;
 930         case KeyRelease:
 931                 name = "KeyRelease";
 932                 break;
 933         case ButtonPress:
 934                 name = "ButtonPress";
 935                 break;
 936         case ButtonRelease:
 937                 name = "ButtonRelease";
 938                 break;
 939         case MotionNotify:
 940                 name = "MotionNotify";
 941                 break;
 942         case EnterNotify:
 943                 name = "EnterNotify";
 944                 break;
 945         case LeaveNotify:
 946                 name = "LeaveNotify";
 947                 break;
 948         case FocusIn:
 949                 name = "FocusIn";
 950                 break;
 951         case FocusOut:
 952                 name = "FocusOut";
 953                 break;
 954         case KeymapNotify:
 955                 name = "KeymapNotify";
 956                 break;
 957         case Expose:
 958                 name = "Expose";
 959                 break;
 960         case GraphicsExpose:
 961                 name = "GraphicsExpose";
 962                 break;
 963         case NoExpose:
 964                 name = "NoExpose";
 965                 break;
 966         case VisibilityNotify:
 967                 name = "VisibilityNotify";
 968                 break;
 969         case CreateNotify:
 970                 name = "CreateNotify";
 971                 break;
 972         case DestroyNotify:
 973                 name = "DestroyNotify";
 974                 break;
 975         case UnmapNotify:
 976                 name = "UnmapNotify";
 977                 break;
 978         case MapNotify:
 979                 name = "MapNotify";
 980                 break;
 981         case MapRequest:
 982                 name = "MapRequest";
 983                 break;
 984         case ReparentNotify:
 985                 name = "ReparentNotify";
 986                 break;
 987         case ConfigureNotify:
 988                 name = "ConfigureNotify";
 989                 break;
 990         case ConfigureRequest:
 991                 name = "ConfigureRequest";
 992                 break;
 993         case GravityNotify:
 994                 name = "GravityNotify";
 995                 break;
 996         case ResizeRequest:
 997                 name = "ResizeRequest";
 998                 break;
 999         case CirculateNotify:
1000                 name = "CirculateNotify";
1001                 break;
1002         case CirculateRequest:
1003                 name = "CirculateRequest";
1004                 break;
1005         case PropertyNotify:
1006                 name = "PropertyNotify";
1007                 break;
1008         case SelectionClear:
1009                 name = "SelectionClear";
1010                 break;
1011         case SelectionRequest:
1012                 name = "SelectionRequest";
1013                 break;
1014         case SelectionNotify:
1015                 name = "SelectionNotify";
1016                 break;
1017         case ColormapNotify:
1018                 name = "ColormapNotify";
1019                 break;
1020         case ClientMessage:
1021                 name = "ClientMessage";
1022                 break;
1023         case MappingNotify:
1024                 name = "MappingNotify";
1025                 break;
1026         default:
1027                 name = "Unknown";
1028         }
1029
1030         return (name);
1031 }
1032
1033 char *
1034 xrandr_geteventname(XEvent *e)
1035 {
1036         char                    *name = NULL;
1037
1038         switch(e->type - xrandr_eventbase) {
1039         case RRScreenChangeNotify:
1040                 name = "RRScreenChangeNotify";
1041                 break;
1042         default:
1043                 name = "Unknown";
1044         }
1045
1046         return (name);
1047 }
1048
1049 void
1050 dumpwins(struct swm_region *r, union arg *args)
1051 {
1052         struct ws_win           *win;
1053         unsigned int            state;
1054         XWindowAttributes       wa;
1055
1056         if (r->ws == NULL) {
1057                 warnx("dumpwins: invalid workspace");
1058                 return;
1059         }
1060
1061         warnx("=== managed window list ws %02d ===", r->ws->idx);
1062
1063         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1064                 state = getstate(win->id);
1065                 if (!XGetWindowAttributes(display, win->id, &wa))
1066                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1067                             win->id);
1068                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1069                     "transient: 0x%lx", win->id, wa.map_state, state,
1070                     win->transient);
1071         }
1072
1073         warnx("===== unmanaged window list =====");
1074         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1075                 state = getstate(win->id);
1076                 if (!XGetWindowAttributes(display, win->id, &wa))
1077                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1078                             win->id);
1079                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1080                     "transient: 0x%lx", win->id, wa.map_state, state,
1081                     win->transient);
1082         }
1083
1084         warnx("=================================");
1085 }
1086 #else
1087 void
1088 dumpwins(struct swm_region *r, union arg *args)
1089 {
1090 }
1091 #endif /* SWM_DEBUG */
1092
1093 void                    expose(XEvent *);
1094 void                    keypress(XEvent *);
1095 void                    buttonpress(XEvent *);
1096 void                    configurerequest(XEvent *);
1097 void                    configurenotify(XEvent *);
1098 void                    destroynotify(XEvent *);
1099 void                    enternotify(XEvent *);
1100 void                    focusevent(XEvent *);
1101 void                    mapnotify(XEvent *);
1102 void                    mappingnotify(XEvent *);
1103 void                    maprequest(XEvent *);
1104 void                    propertynotify(XEvent *);
1105 void                    unmapnotify(XEvent *);
1106 void                    visibilitynotify(XEvent *);
1107 void                    clientmessage(XEvent *);
1108
1109 void                    (*handler[LASTEvent])(XEvent *) = {
1110                                 [Expose] = expose,
1111                                 [KeyPress] = keypress,
1112                                 [ButtonPress] = buttonpress,
1113                                 [ConfigureRequest] = configurerequest,
1114                                 [ConfigureNotify] = configurenotify,
1115                                 [DestroyNotify] = destroynotify,
1116                                 [EnterNotify] = enternotify,
1117                                 [FocusIn] = focusevent,
1118                                 [FocusOut] = focusevent,
1119                                 [MapNotify] = mapnotify,
1120                                 [MappingNotify] = mappingnotify,
1121                                 [MapRequest] = maprequest,
1122                                 [PropertyNotify] = propertynotify,
1123                                 [UnmapNotify] = unmapnotify,
1124                                 [VisibilityNotify] = visibilitynotify,
1125                                 [ClientMessage] = clientmessage,
1126 };
1127
1128 void
1129 sighdlr(int sig)
1130 {
1131         int                     saved_errno, status;
1132         pid_t                   pid;
1133
1134         saved_errno = errno;
1135
1136         switch (sig) {
1137         case SIGCHLD:
1138                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1139                         if (pid == -1) {
1140                                 if (errno == EINTR)
1141                                         continue;
1142 #ifdef SWM_DEBUG
1143                                 if (errno != ECHILD)
1144                                         warn("sighdlr: waitpid");
1145 #endif /* SWM_DEBUG */
1146                                 break;
1147                         }
1148                         if (pid == searchpid)
1149                                 search_resp = 1;
1150
1151 #ifdef SWM_DEBUG
1152                         if (WIFEXITED(status)) {
1153                                 if (WEXITSTATUS(status) != 0)
1154                                         warnx("sighdlr: child exit status: %d",
1155                                             WEXITSTATUS(status));
1156                         } else
1157                                 warnx("sighdlr: child is terminated "
1158                                     "abnormally");
1159 #endif /* SWM_DEBUG */
1160                 }
1161                 break;
1162
1163         case SIGHUP:
1164                 restart_wm = 1;
1165                 break;
1166         case SIGINT:
1167         case SIGTERM:
1168         case SIGQUIT:
1169                 running = 0;
1170                 break;
1171         }
1172
1173         errno = saved_errno;
1174 }
1175
1176 struct pid_e *
1177 find_pid(long pid)
1178 {
1179         struct pid_e            *p = NULL;
1180
1181         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1182
1183         if (pid == 0)
1184                 return (NULL);
1185
1186         TAILQ_FOREACH(p, &pidlist, entry) {
1187                 if (p->pid == pid)
1188                         return (p);
1189         }
1190
1191         return (NULL);
1192 }
1193
1194 unsigned long
1195 name_to_color(char *colorname)
1196 {
1197         Colormap                cmap;
1198         Status                  status;
1199         XColor                  screen_def, exact_def;
1200         unsigned long           result = 0;
1201         char                    cname[32] = "#";
1202
1203         cmap = DefaultColormap(display, screens[0].idx);
1204         status = XAllocNamedColor(display, cmap, colorname,
1205             &screen_def, &exact_def);
1206         if (!status) {
1207                 strlcat(cname, colorname + 2, sizeof cname - 1);
1208                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1209                     &exact_def);
1210         }
1211         if (status)
1212                 result = screen_def.pixel;
1213         else
1214                 warnx("color '%s' not found", colorname);
1215
1216         return (result);
1217 }
1218
1219 void
1220 setscreencolor(char *val, int i, int c)
1221 {
1222         if (i > 0 && i <= ScreenCount(display)) {
1223                 screens[i - 1].c[c].color = name_to_color(val);
1224                 free(screens[i - 1].c[c].name);
1225                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1226                         err(1, "strdup");
1227         } else if (i == -1) {
1228                 for (i = 0; i < ScreenCount(display); i++) {
1229                         screens[i].c[c].color = name_to_color(val);
1230                         free(screens[i].c[c].name);
1231                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1232                                 err(1, "strdup");
1233                 }
1234         } else
1235                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1236                     i, ScreenCount(display));
1237 }
1238
1239 void
1240 fancy_stacker(struct workspace *ws)
1241 {
1242         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1243         if (ws->cur_layout->l_stack == vertical_stack)
1244                 snprintf(ws->stacker, sizeof ws->stacker,
1245                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1246                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1247         if (ws->cur_layout->l_stack == horizontal_stack)
1248                 snprintf(ws->stacker, sizeof ws->stacker,
1249                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1250                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1251 }
1252
1253 void
1254 plain_stacker(struct workspace *ws)
1255 {
1256         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1257         if (ws->cur_layout->l_stack == vertical_stack)
1258                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1259                     sizeof ws->stacker);
1260         if (ws->cur_layout->l_stack == horizontal_stack)
1261                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1262                     sizeof ws->stacker);
1263 }
1264
1265 void
1266 custom_region(char *val)
1267 {
1268         unsigned int                    sidx, x, y, w, h;
1269
1270         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1271                 errx(1, "invalid custom region, "
1272                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1273         if (sidx < 1 || sidx > ScreenCount(display))
1274                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1275                     sidx, ScreenCount(display));
1276         sidx--;
1277
1278         if (w < 1 || h < 1)
1279                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1280
1281         if (x > DisplayWidth(display, sidx) ||
1282             y > DisplayHeight(display, sidx) ||
1283             w + x > DisplayWidth(display, sidx) ||
1284             h + y > DisplayHeight(display, sidx)) {
1285                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1286                     "boundaries (%ux%u)", w, h, x, y,
1287                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1288                 return;
1289         }
1290
1291         new_region(&screens[sidx], x, y, w, h);
1292 }
1293
1294 void
1295 socket_setnonblock(int fd)
1296 {
1297         int                     flags;
1298
1299         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1300                 err(1, "fcntl F_GETFL");
1301         flags |= O_NONBLOCK;
1302         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1303                 err(1, "fcntl F_SETFL");
1304 }
1305
1306 void
1307 bar_print(struct swm_region *r, char *s)
1308 {
1309         int                     x = 0;
1310         size_t                  len;
1311         XRectangle              ibox, lbox;
1312
1313         XClearWindow(display, r->bar_window);
1314
1315         len = strlen(s);
1316         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1317
1318         switch (bar_justify) {
1319         case SWM_BAR_JUSTIFY_LEFT:
1320                 x = SWM_BAR_OFFSET;
1321                 break;
1322         case SWM_BAR_JUSTIFY_CENTER:
1323                 x = (WIDTH(r) - lbox.width) / 2;
1324                 break;
1325         case SWM_BAR_JUSTIFY_RIGHT:
1326                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1327                 break;
1328         }
1329
1330         if (x < SWM_BAR_OFFSET)
1331                 x = SWM_BAR_OFFSET;
1332
1333         DRAWSTRING(display, r->bar_window, bar_fs, r->s->bar_gc,
1334             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1335             lbox.y, s, len);
1336 }
1337
1338 void
1339 bar_extra_stop(void)
1340 {
1341         if (bar_pipe[0]) {
1342                 close(bar_pipe[0]);
1343                 bzero(bar_pipe, sizeof bar_pipe);
1344         }
1345         if (bar_pid) {
1346                 kill(bar_pid, SIGTERM);
1347                 bar_pid = 0;
1348         }
1349         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1350         bar_extra = 0;
1351 }
1352
1353 void
1354 bar_class_name(char *s, size_t sz, struct swm_region *r)
1355 {
1356         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1357                 return;
1358         if (r->ws->focus->ch.res_class != NULL)
1359                 strlcat(s, r->ws->focus->ch.res_class, sz);
1360 }
1361
1362 void
1363 bar_title_name(char *s, size_t sz, struct swm_region *r)
1364 {
1365         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1366                 return;
1367         if (r->ws->focus->ch.res_name != NULL)
1368                 strlcat(s, r->ws->focus->ch.res_name, sz);
1369 }
1370
1371 void
1372 bar_window_name(char *s, size_t sz, struct swm_region *r)
1373 {
1374         unsigned char           *title;
1375
1376         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1377                 return;
1378         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1379                 return;
1380
1381         if (r->ws->focus->floating)
1382                 strlcat(s, "(f) ", sz);
1383         strlcat(s, (char *)title, sz);
1384         strlcat(s, " ", sz);
1385
1386         XFree(title);
1387 }
1388
1389 int             urgent[SWM_WS_MAX];
1390 void
1391 bar_urgent(char *s, size_t sz)
1392 {
1393         XWMHints                *wmh = NULL;
1394         struct ws_win           *win;
1395         int                     i, j;
1396         char                    b[8];
1397
1398         for (i = 0; i < workspace_limit; i++)
1399                 urgent[i] = 0;
1400
1401         for (i = 0; i < ScreenCount(display); i++)
1402                 for (j = 0; j < workspace_limit; j++)
1403                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1404                                 wmh = XGetWMHints(display, win->id);
1405                                 if (wmh == NULL)
1406                                         continue;
1407
1408                                 if (wmh->flags & XUrgencyHint)
1409                                         urgent[j] = 1;
1410                                 XFree(wmh);
1411                         }
1412
1413         for (i = 0; i < workspace_limit; i++) {
1414                 if (urgent[i])
1415                         snprintf(b, sizeof b, "%d ", i + 1);
1416                 else
1417                         snprintf(b, sizeof b, "- ");
1418                 strlcat(s, b, sz);
1419         }
1420 }
1421
1422 void
1423 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1424 {
1425         if (r == NULL || r->ws == NULL)
1426                 return;
1427         if (r->ws->name != NULL)
1428                 strlcat(s, r->ws->name, sz);
1429 }
1430
1431 /* build the default bar format according to the defined enabled options */
1432 void
1433 bar_fmt(char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1434 {
1435         /* if format provided, just copy the buffers */
1436         if (bar_format != NULL) {
1437                 strlcpy(fmtnew, fmtexp, sz);
1438                 return;
1439         }
1440
1441         /* reset the output buffer */
1442         *fmtnew = '\0';
1443
1444         strlcat(fmtnew, "+N:+I ", sz);
1445         if (stack_enabled)
1446                 strlcat(fmtnew, "+S", sz);
1447         strlcat(fmtnew, " ", sz);
1448
1449         /* only show the workspace name if there's actually one */
1450         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1451                 strlcat(fmtnew, "<+D>", sz);
1452         strlcat(fmtnew, "   ", sz);
1453
1454         if (clock_enabled) {
1455                 strlcat(fmtnew, fmtexp, sz);
1456                 strlcat(fmtnew, "    ", sz);
1457         }
1458
1459         /* bar_urgent already adds the space before the last asterisk */
1460         if (urgent_enabled)
1461                 strlcat(fmtnew, "* +U*    ", sz);
1462
1463         if (title_class_enabled)
1464                 strlcat(fmtnew, "+C", sz);
1465         if (title_name_enabled) {
1466                 /* add a colon if showing the class and something is focused */
1467                 if (title_class_enabled && r != NULL && r->ws != NULL &&
1468                     r->ws->focus != NULL)
1469                         strlcat(fmtnew, ":", sz);
1470                 strlcat(fmtnew, "+T", sz);
1471         }
1472
1473         strlcat(fmtnew, "    ", sz);
1474         if (window_name_enabled)
1475                 strlcat(fmtnew, "+W", sz);
1476
1477         /* finally add the action script output and the version */
1478         strlcat(fmtnew, "     +A    +V", sz);
1479 }
1480
1481 /* replaces the bar format character sequences (like in tmux(1)) */
1482 void
1483 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1484 {
1485         char                    *ptr;
1486         char                    tmp[SWM_BAR_MAX];
1487         size_t                  off;
1488
1489         off = 0;
1490         ptr = fmt;
1491         while (*ptr != '\0') {
1492                 if (*ptr != '+') {
1493                         /* skip ordinary characters */
1494                         if (off >= sz - 1)
1495                                 break;
1496                         fmtrep[off++] = *ptr++;
1497                         continue;
1498                 }
1499
1500                 /* character sequence found; replace it */
1501                 *tmp = '\0';
1502
1503                 switch (*++ptr) {
1504                 case 'A':
1505                         snprintf(tmp, sizeof tmp, "%s", bar_ext);
1506                         break;
1507                 case 'C':
1508                         bar_class_name(tmp, sizeof tmp, r);
1509                         break;
1510                 case 'D':
1511                         bar_workspace_name(tmp, sizeof tmp, r);
1512                         break;
1513                 case 'I':
1514                         snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1515                         break;
1516                 case 'N':
1517                         snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1518                         break;
1519                 case 'S':
1520                         snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1521                         break;
1522                 case 'T':
1523                         bar_title_name(tmp, sizeof tmp, r);
1524                         break;
1525                 case 'U':
1526                         bar_urgent(tmp, sizeof tmp);
1527                         break;
1528                 case 'V':
1529                         snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1530                         break;
1531                 case 'W':
1532                         bar_window_name(tmp, sizeof tmp, r);
1533                         break;
1534                 default:
1535                         /* unknown character sequence; copy as-is */
1536                         snprintf(tmp, sizeof tmp, "+%c", *ptr);
1537                         break;
1538                 }
1539
1540                 off += snprintf(fmtrep + off, sz - off, "%s", tmp);
1541                 if (off >= sz - 1) {
1542                         off = sz;
1543                         break;
1544                 }
1545                 ptr++;
1546         }
1547
1548         fmtrep[off] = '\0';
1549 }
1550
1551 void
1552 bar_fmt_expand(char *fmtexp, size_t sz)
1553 {
1554         char                    *fmt = NULL;
1555         size_t                  len;
1556         struct tm               tm;
1557         time_t                  tmt;
1558
1559         /* start by grabbing the current time and date */
1560         time(&tmt);
1561         localtime_r(&tmt, &tm);
1562
1563         /* figure out what to expand */
1564         if (bar_format != NULL)
1565                 fmt = bar_format;
1566         else if (bar_format == NULL && clock_enabled)
1567                 fmt = clock_format;
1568         /* if nothing to expand bail out */
1569         if (fmt == NULL) {
1570                 *fmtexp = '\0';
1571                 return;
1572         }
1573
1574         /* copy as-is, just in case the format shouldn't be expanded below */
1575         strlcpy(fmtexp, fmt, sz);
1576         /* finally pass the string through strftime(3) */
1577 #ifndef SWM_DENY_CLOCK_FORMAT
1578         len = strftime(fmtexp, sz, fmt, &tm);
1579         fmtexp[len] = '\0';
1580 #endif
1581 }
1582
1583 void
1584 bar_fmt_print(void)
1585 {
1586         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1587         char                    fmtrep[SWM_BAR_MAX];
1588         int                     i;
1589         struct swm_region       *r;
1590
1591         /* expand the format by first passing it through strftime(3) */
1592         bar_fmt_expand(fmtexp, sizeof fmtexp);
1593
1594         for (i = 0; i < ScreenCount(display); i++) {
1595                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1596                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1597                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1598                         bar_print(r, fmtrep);
1599                 }
1600         }
1601 }
1602
1603 void
1604 bar_update(void)
1605 {
1606         size_t                  len;
1607         char                    *b;
1608
1609         if (bar_enabled == 0)
1610                 return;
1611         if (bar_extra && bar_extra_running) {
1612                 /* ignore short reads; it'll correct itself */
1613                 while ((b = fgetln(stdin, &len)) != NULL)
1614                         if (b && b[len - 1] == '\n') {
1615                                 b[len - 1] = '\0';
1616                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1617                         }
1618                 if (b == NULL && errno != EAGAIN) {
1619                         warn("bar_update: bar_extra failed");
1620                         bar_extra_stop();
1621                 }
1622         } else
1623                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1624
1625         bar_fmt_print();
1626         alarm(bar_delay);
1627 }
1628
1629 void
1630 bar_signal(int sig)
1631 {
1632         bar_alarm = 1;
1633 }
1634
1635 void
1636 bar_toggle(struct swm_region *r, union arg *args)
1637 {
1638         struct swm_region       *tmpr;
1639         int                     i, sc = ScreenCount(display);
1640
1641         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1642
1643         if (bar_enabled)
1644                 for (i = 0; i < sc; i++)
1645                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1646                                 XUnmapWindow(display, tmpr->bar_window);
1647         else
1648                 for (i = 0; i < sc; i++)
1649                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1650                                 XMapRaised(display, tmpr->bar_window);
1651
1652         bar_enabled = !bar_enabled;
1653
1654         stack();
1655         /* must be after stack */
1656         bar_update();
1657 }
1658
1659 void
1660 bar_refresh(void)
1661 {
1662         XSetWindowAttributes    wa;
1663         struct swm_region       *r;
1664         int                     i;
1665
1666         /* do this here because the conf file is in memory */
1667         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1668                 /* launch external status app */
1669                 bar_extra_running = 1;
1670                 if (pipe(bar_pipe) == -1)
1671                         err(1, "pipe error");
1672                 socket_setnonblock(bar_pipe[0]);
1673                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1674                 if (dup2(bar_pipe[0], 0) == -1)
1675                         err(1, "dup2");
1676                 if (dup2(bar_pipe[1], 1) == -1)
1677                         err(1, "dup2");
1678                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1679                         err(1, "could not disable SIGPIPE");
1680                 switch (bar_pid = fork()) {
1681                 case -1:
1682                         err(1, "cannot fork");
1683                         break;
1684                 case 0: /* child */
1685                         close(bar_pipe[0]);
1686                         execvp(bar_argv[0], bar_argv);
1687                         err(1, "%s external app failed", bar_argv[0]);
1688                         break;
1689                 default: /* parent */
1690                         close(bar_pipe[1]);
1691                         break;
1692                 }
1693         }
1694
1695         bzero(&wa, sizeof wa);
1696         for (i = 0; i < ScreenCount(display); i++)
1697                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1698                         wa.border_pixel =
1699                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1700                         wa.background_pixel =
1701                             screens[i].c[SWM_S_COLOR_BAR].color;
1702                         XChangeWindowAttributes(display, r->bar_window,
1703                             CWBackPixel | CWBorderPixel, &wa);
1704                 }
1705         bar_update();
1706 }
1707
1708 void
1709 bar_setup(struct swm_region *r)
1710 {
1711         char                    *default_string;
1712         char                    **missing_charsets;
1713         int                     num_missing_charsets = 0;
1714         int                     i, x, y;
1715
1716         if (bar_fs) {
1717                 XFreeFontSet(display, bar_fs);
1718                 bar_fs = NULL;
1719         }
1720
1721
1722         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1723
1724         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1725             &num_missing_charsets, &default_string);
1726
1727         if (num_missing_charsets > 0) {
1728                 warnx("Unable to load charset(s):");
1729
1730                 for (i = 0; i < num_missing_charsets; ++i)
1731                         warnx("%s", missing_charsets[i]);
1732
1733                 XFreeStringList(missing_charsets);
1734
1735                 if (strcmp(default_string, ""))
1736                         warnx("Glyphs from those sets will be replaced "
1737                             "by '%s'.", default_string);
1738                 else
1739                         warnx("Glyphs from those sets won't be drawn.");
1740         }
1741
1742         if (bar_fs == NULL)
1743                 errx(1, "Error creating font set structure.");
1744
1745         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1746
1747         bar_height = bar_fs_extents->max_logical_extent.height +
1748             2 * bar_border_width;
1749
1750         if (bar_height < 1)
1751                 bar_height = 1;
1752
1753         x = X(r);
1754         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1755
1756         r->bar_window = XCreateSimpleWindow(display,
1757             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1758             bar_height - 2 * bar_border_width,
1759             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1760             r->s->c[SWM_S_COLOR_BAR].color);
1761         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1762         if (bar_enabled)
1763                 XMapRaised(display, r->bar_window);
1764         DNPRINTF(SWM_D_BAR, "bar_setup: bar_window: 0x%lx\n", r->bar_window);
1765
1766         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1767                 err(1, "could not install bar_signal");
1768         bar_refresh();
1769 }
1770
1771 void
1772 drain_enter_notify(void)
1773 {
1774         int                     i = 0;
1775         XEvent                  cne;
1776
1777         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1778                 i++;
1779
1780         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained: %d\n", i);
1781 }
1782
1783 void
1784 set_win_state(struct ws_win *win, long state)
1785 {
1786         long                    data[] = {state, None};
1787
1788         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%lx\n", win->id);
1789
1790         if (win == NULL)
1791                 return;
1792
1793         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1794             (unsigned char *)data, 2);
1795 }
1796
1797 long
1798 getstate(Window w)
1799 {
1800         long                    result = -1;
1801         unsigned char           *p = NULL;
1802         unsigned long           n;
1803
1804         if (!get_property(w, astate, 2L, astate, &n, NULL, &p))
1805                 return (-1);
1806         if (n != 0)
1807                 result = *((long *)p);
1808         XFree(p);
1809         return (result);
1810 }
1811
1812 void
1813 version(struct swm_region *r, union arg *args)
1814 {
1815         bar_version = !bar_version;
1816         if (bar_version)
1817                 snprintf(bar_vertext, sizeof bar_vertext,
1818                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1819         else
1820                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1821         bar_update();
1822 }
1823
1824 void
1825 client_msg(struct ws_win *win, Atom a)
1826 {
1827         XClientMessageEvent     cm;
1828
1829         if (win == NULL)
1830                 return;
1831
1832         bzero(&cm, sizeof cm);
1833         cm.type = ClientMessage;
1834         cm.window = win->id;
1835         cm.message_type = aprot;
1836         cm.format = 32;
1837         cm.data.l[0] = a;
1838         cm.data.l[1] = CurrentTime;
1839         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1840 }
1841
1842 /* synthetic response to a ConfigureRequest when not making a change */
1843 void
1844 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1845 {
1846         XConfigureEvent         ce;
1847
1848         if (win == NULL)
1849                 return;
1850
1851         /* send notification of unchanged state. */
1852         ce.type = ConfigureNotify;
1853         ce.x = X(win);
1854         ce.y = Y(win);
1855         ce.width = WIDTH(win);
1856         ce.height = HEIGHT(win);
1857         ce.override_redirect = False;
1858
1859         if (ev == NULL) {
1860                 /* EWMH */
1861                 ce.display = display;
1862                 ce.event = win->id;
1863                 ce.window = win->id;
1864                 ce.border_width = border_width;
1865                 ce.above = None;
1866         } else {
1867                 /* normal */
1868                 ce.display = ev->display;
1869                 ce.event = ev->window;
1870                 ce.window = ev->window;
1871
1872                 /* make response appear more WM_SIZE_HINTS-compliant */
1873                 if (win->sh_mask)
1874                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%lx,"
1875                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
1876                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
1877                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
1878                             SH_INC_W(win), SH_INC_H(win));
1879
1880                 /* min size */
1881                 if (SH_MIN(win)) {
1882                         /* the hint may be set... to 0! */
1883                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
1884                                 ce.width = SH_MIN_W(win);
1885                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
1886                                 ce.height = SH_MIN_H(win);
1887                 }
1888
1889                 /* max size */
1890                 if (SH_MAX(win)) {
1891                         /* may also be advertized as 0 */
1892                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
1893                                 ce.width = SH_MAX_W(win);
1894                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
1895                                 ce.height = SH_MAX_H(win);
1896                 }
1897
1898                 /* resize increment. */
1899                 if (SH_INC(win)) {
1900                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
1901                                 ce.width -= (ce.width - SH_MIN_W(win)) %
1902                                     SH_INC_W(win);
1903                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
1904                                 ce.height -= (ce.height - SH_MIN_H(win)) %
1905                                     SH_INC_H(win);
1906                 }
1907
1908                 /* adjust x and y for requested border_width. */
1909                 ce.x += border_width - ev->border_width;
1910                 ce.y += border_width - ev->border_width;
1911                 ce.border_width = ev->border_width;
1912                 ce.above = ev->above;
1913         }
1914
1915         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
1916             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
1917             ce.y, ce.width, ce.height, ce.border_width);
1918
1919         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1920 }
1921
1922 int
1923 count_win(struct workspace *ws, int count_transient)
1924 {
1925         struct ws_win           *win;
1926         int                     count = 0;
1927
1928         TAILQ_FOREACH(win, &ws->winlist, entry) {
1929                 if (count_transient == 0 && win->floating)
1930                         continue;
1931                 if (count_transient == 0 && win->transient)
1932                         continue;
1933                 if (win->iconic)
1934                         continue;
1935                 count++;
1936         }
1937         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1938
1939         return (count);
1940 }
1941
1942 void
1943 quit(struct swm_region *r, union arg *args)
1944 {
1945         DNPRINTF(SWM_D_MISC, "quit\n");
1946         running = 0;
1947 }
1948
1949 void
1950 unmap_window(struct ws_win *win)
1951 {
1952         if (win == NULL)
1953                 return;
1954
1955         /* don't unmap again */
1956         if (getstate(win->id) == IconicState)
1957                 return;
1958
1959         set_win_state(win, IconicState);
1960
1961         XUnmapWindow(display, win->id);
1962         XSetWindowBorder(display, win->id,
1963             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1964 }
1965
1966 void
1967 unmap_all(void)
1968 {
1969         struct ws_win           *win;
1970         int                     i, j;
1971
1972         for (i = 0; i < ScreenCount(display); i++)
1973                 for (j = 0; j < workspace_limit; j++)
1974                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1975                                 unmap_window(win);
1976 }
1977
1978 void
1979 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1980 {
1981         XKeyEvent event;
1982
1983         if (win == NULL)
1984                 return;
1985
1986         event.display = display;        /* Ignored, but what the hell */
1987         event.window = win->id;
1988         event.root = win->s->root;
1989         event.subwindow = None;
1990         event.time = CurrentTime;
1991         event.x = X(win);
1992         event.y = Y(win);
1993         event.x_root = 1;
1994         event.y_root = 1;
1995         event.same_screen = True;
1996         event.keycode = XKeysymToKeycode(display, keysym);
1997         event.state = modifiers;
1998
1999         event.type = KeyPress;
2000         XSendEvent(event.display, event.window, True,
2001             KeyPressMask, (XEvent *)&event);
2002
2003         event.type = KeyRelease;
2004         XSendEvent(event.display, event.window, True,
2005             KeyPressMask, (XEvent *)&event);
2006
2007 }
2008
2009 void
2010 restart(struct swm_region *r, union arg *args)
2011 {
2012         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2013
2014         /* disable alarm because the following code may not be interrupted */
2015         alarm(0);
2016         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2017                 err(1, "can't disable alarm");
2018
2019         bar_extra_stop();
2020         bar_extra = 1;
2021         unmap_all();
2022         XCloseDisplay(display);
2023         execvp(start_argv[0], start_argv);
2024         warn("execvp failed");
2025         quit(NULL, NULL);
2026 }
2027
2028 struct swm_region *
2029 root_to_region(Window root)
2030 {
2031         struct swm_region       *r = NULL;
2032         Window                  rr, cr;
2033         int                     i, x, y, wx, wy;
2034         unsigned int            mask;
2035
2036         for (i = 0; i < ScreenCount(display); i++)
2037                 if (screens[i].root == root)
2038                         break;
2039
2040         if (XQueryPointer(display, screens[i].root,
2041             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
2042                 /* choose a region based on pointer location */
2043                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2044                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
2045                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
2046                                 break;
2047         }
2048
2049         if (r == NULL)
2050                 r = TAILQ_FIRST(&screens[i].rl);
2051
2052         return (r);
2053 }
2054
2055 struct ws_win *
2056 find_unmanaged_window(Window id)
2057 {
2058         struct ws_win           *win;
2059         int                     i, j;
2060
2061         for (i = 0; i < ScreenCount(display); i++)
2062                 for (j = 0; j < workspace_limit; j++)
2063                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2064                             entry)
2065                                 if (id == win->id)
2066                                         return (win);
2067         return (NULL);
2068 }
2069
2070 struct ws_win *
2071 find_window(Window id)
2072 {
2073         struct ws_win           *win;
2074         Window                  wrr, wpr, *wcr = NULL;
2075         int                     i, j;
2076         unsigned int            nc;
2077
2078         for (i = 0; i < ScreenCount(display); i++)
2079                 for (j = 0; j < workspace_limit; j++)
2080                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2081                                 if (id == win->id)
2082                                         return (win);
2083
2084         /* if we were looking for the parent return that window instead */
2085         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
2086                 return (NULL);
2087         if (wcr)
2088                 XFree(wcr);
2089
2090         /* ignore not found and root */
2091         if (wpr == 0 || wrr == wpr)
2092                 return (NULL);
2093
2094         /* look for parent */
2095         for (i = 0; i < ScreenCount(display); i++)
2096                 for (j = 0; j < workspace_limit; j++)
2097                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2098                                 if (wpr == win->id)
2099                                         return (win);
2100
2101         return (NULL);
2102 }
2103
2104 void
2105 spawn(int ws_idx, union arg *args, int close_fd)
2106 {
2107         int                     fd;
2108         char                    *ret = NULL;
2109
2110         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2111
2112         if (display)
2113                 close(ConnectionNumber(display));
2114
2115         setenv("LD_PRELOAD", SWM_LIB, 1);
2116
2117         if (asprintf(&ret, "%d", ws_idx) == -1) {
2118                 warn("spawn: asprintf SWM_WS");
2119                 _exit(1);
2120         }
2121         setenv("_SWM_WS", ret, 1);
2122         free(ret);
2123         ret = NULL;
2124
2125         if (asprintf(&ret, "%d", getpid()) == -1) {
2126                 warn("spawn: asprintf _SWM_PID");
2127                 _exit(1);
2128         }
2129         setenv("_SWM_PID", ret, 1);
2130         free(ret);
2131         ret = NULL;
2132
2133         if (setsid() == -1) {
2134                 warn("spawn: setsid");
2135                 _exit(1);
2136         }
2137
2138         if (close_fd) {
2139                 /*
2140                  * close stdin and stdout to prevent interaction between apps
2141                  * and the baraction script
2142                  * leave stderr open to record errors
2143                 */
2144                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2145                         warn("spawn: open");
2146                         _exit(1);
2147                 }
2148                 dup2(fd, STDIN_FILENO);
2149                 dup2(fd, STDOUT_FILENO);
2150                 if (fd > 2)
2151                         close(fd);
2152         }
2153
2154         execvp(args->argv[0], args->argv);
2155
2156         warn("spawn: execvp");
2157         _exit(1);
2158 }
2159
2160 void
2161 spawnterm(struct swm_region *r, union arg *args)
2162 {
2163         DNPRINTF(SWM_D_MISC, "spawnterm\n");
2164
2165         if (fork() == 0) {
2166                 if (term_width)
2167                         setenv("_SWM_XTERM_FONTADJ", "", 1);
2168                 spawn(r->ws->idx, args, 1);
2169         }
2170 }
2171
2172 void
2173 kill_refs(struct ws_win *win)
2174 {
2175         int                     i, x;
2176         struct swm_region       *r;
2177         struct workspace        *ws;
2178
2179         if (win == NULL)
2180                 return;
2181
2182         for (i = 0; i < ScreenCount(display); i++)
2183                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2184                         for (x = 0; x < workspace_limit; x++) {
2185                                 ws = &r->s->ws[x];
2186                                 if (win == ws->focus)
2187                                         ws->focus = NULL;
2188                                 if (win == ws->focus_prev)
2189                                         ws->focus_prev = NULL;
2190                         }
2191 }
2192
2193 int
2194 validate_win(struct ws_win *testwin)
2195 {
2196         struct ws_win           *win;
2197         struct workspace        *ws;
2198         struct swm_region       *r;
2199         int                     i, x;
2200
2201         if (testwin == NULL)
2202                 return (0);
2203
2204         for (i = 0; i < ScreenCount(display); i++)
2205                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2206                         for (x = 0; x < workspace_limit; x++) {
2207                                 ws = &r->s->ws[x];
2208                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2209                                         if (win == testwin)
2210                                                 return (0);
2211                         }
2212         return (1);
2213 }
2214
2215 int
2216 validate_ws(struct workspace *testws)
2217 {
2218         struct swm_region       *r;
2219         struct workspace        *ws;
2220         int                     i, x;
2221
2222         /* validate all ws */
2223         for (i = 0; i < ScreenCount(display); i++)
2224                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2225                         for (x = 0; x < workspace_limit; x++) {
2226                                 ws = &r->s->ws[x];
2227                                 if (ws == testws)
2228                                         return (0);
2229                         }
2230         return (1);
2231 }
2232
2233 void
2234 unfocus_win(struct ws_win *win)
2235 {
2236         XEvent                  cne;
2237         Window                  none = None;
2238
2239         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2240
2241         if (win == NULL)
2242                 return;
2243         if (win->ws == NULL)
2244                 return;
2245
2246         if (validate_ws(win->ws))
2247                 return; /* XXX this gets hit with thunderbird, needs fixing */
2248
2249         if (win->ws->r == NULL)
2250                 return;
2251
2252         if (validate_win(win)) {
2253                 kill_refs(win);
2254                 return;
2255         }
2256
2257         if (win->ws->focus == win) {
2258                 win->ws->focus = NULL;
2259                 win->ws->focus_prev = win;
2260         }
2261
2262         if (validate_win(win->ws->focus)) {
2263                 kill_refs(win->ws->focus);
2264                 win->ws->focus = NULL;
2265         }
2266         if (validate_win(win->ws->focus_prev)) {
2267                 kill_refs(win->ws->focus_prev);
2268                 win->ws->focus_prev = NULL;
2269         }
2270
2271         /* drain all previous unfocus events */
2272         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2273                 ;
2274
2275         grabbuttons(win, 0);
2276         XSetWindowBorder(display, win->id,
2277             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2278
2279         XChangeProperty(display, win->s->root,
2280             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2281             PropModeReplace, (unsigned char *)&none, 1);
2282 }
2283
2284 void
2285 unfocus_all(void)
2286 {
2287         struct ws_win           *win;
2288         int                     i, j;
2289
2290         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2291
2292         for (i = 0; i < ScreenCount(display); i++)
2293                 for (j = 0; j < workspace_limit; j++)
2294                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2295                                 unfocus_win(win);
2296 }
2297
2298 void
2299 focus_win(struct ws_win *win)
2300 {
2301         XEvent                  cne;
2302         Window                  cur_focus;
2303         int                     rr;
2304         struct ws_win           *cfw = NULL;
2305
2306
2307         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2308
2309         if (win == NULL)
2310                 return;
2311         if (win->ws == NULL)
2312                 return;
2313
2314         if (validate_ws(win->ws))
2315                 return; /* XXX this gets hit with thunderbird, needs fixing */
2316
2317         if (validate_win(win)) {
2318                 kill_refs(win);
2319                 return;
2320         }
2321
2322         if (validate_win(win)) {
2323                 kill_refs(win);
2324                 return;
2325         }
2326
2327         XGetInputFocus(display, &cur_focus, &rr);
2328         if ((cfw = find_window(cur_focus)) != NULL)
2329                 unfocus_win(cfw);
2330         else {
2331                 /* use larger hammer since the window was killed somehow */
2332                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2333                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2334                                 XSetWindowBorder(display, cfw->id,
2335                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2336         }
2337
2338         win->ws->focus = win;
2339
2340         if (win->ws->r != NULL) {
2341                 /* drain all previous focus events */
2342                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2343                         ;
2344
2345                 if (win->java == 0)
2346                         XSetInputFocus(display, win->id,
2347                             RevertToParent, CurrentTime);
2348                 grabbuttons(win, 1);
2349                 XSetWindowBorder(display, win->id,
2350                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2351                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2352                     win->ws->always_raise)
2353                         XMapRaised(display, win->id);
2354
2355                 XChangeProperty(display, win->s->root,
2356                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2357                     PropModeReplace, (unsigned char *)&win->id, 1);
2358         }
2359
2360         bar_update();
2361 }
2362
2363 void
2364 switchws(struct swm_region *r, union arg *args)
2365 {
2366         int                     wsid = args->id, unmap_old = 0;
2367         struct swm_region       *this_r, *other_r;
2368         struct ws_win           *win;
2369         struct workspace        *new_ws, *old_ws;
2370         union arg               a;
2371
2372         if (!(r && r->s))
2373                 return;
2374
2375         if (wsid >= workspace_limit)
2376                 return;
2377
2378         this_r = r;
2379         old_ws = this_r->ws;
2380         new_ws = &this_r->s->ws[wsid];
2381
2382         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2383             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2384
2385         if (new_ws == NULL || old_ws == NULL)
2386                 return;
2387         if (new_ws == old_ws)
2388                 return;
2389
2390         other_r = new_ws->r;
2391         if (other_r == NULL) {
2392                 /* the other workspace is hidden, hide this one */
2393                 old_ws->r = NULL;
2394                 unmap_old = 1;
2395         } else {
2396                 /* the other ws is visible in another region, exchange them */
2397                 other_r->ws_prior = new_ws;
2398                 other_r->ws = old_ws;
2399                 old_ws->r = other_r;
2400         }
2401         this_r->ws_prior = old_ws;
2402         this_r->ws = new_ws;
2403         new_ws->r = this_r;
2404
2405         /* this is needed so that we can click on a window after a restart */
2406         unfocus_all();
2407
2408         stack();
2409         a.id = SWM_ARG_ID_FOCUSCUR;
2410         focus(new_ws->r, &a);
2411
2412         /* unmap old windows */
2413         if (unmap_old)
2414                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2415                         unmap_window(win);
2416
2417         if (focus_mode == SWM_FOCUS_DEFAULT)
2418                 drain_enter_notify();
2419 }
2420
2421 void
2422 cyclews(struct swm_region *r, union arg *args)
2423 {
2424         union                   arg a;
2425         struct swm_screen       *s = r->s;
2426         int                     cycle_all = 0;
2427
2428         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2429             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2430
2431         a.id = r->ws->idx;
2432         do {
2433                 switch (args->id) {
2434                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2435                         cycle_all = 1;
2436                         /* FALLTHROUGH */
2437                 case SWM_ARG_ID_CYCLEWS_UP:
2438                         if (a.id < workspace_limit - 1)
2439                                 a.id++;
2440                         else
2441                                 a.id = 0;
2442                         break;
2443                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2444                         cycle_all = 1;
2445                         /* FALLTHROUGH */
2446                 case SWM_ARG_ID_CYCLEWS_DOWN:
2447                         if (a.id > 0)
2448                                 a.id--;
2449                         else
2450                                 a.id = workspace_limit - 1;
2451                         break;
2452                 default:
2453                         return;
2454                 };
2455
2456                 if (!cycle_all &&
2457                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2458                         continue;
2459                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2460                         continue;
2461
2462                 switchws(r, &a);
2463         } while (a.id != r->ws->idx);
2464 }
2465
2466 void
2467 priorws(struct swm_region *r, union arg *args)
2468 {
2469         union arg               a;
2470
2471         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2472             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2473
2474         if (r->ws_prior == NULL)
2475                 return;
2476
2477         a.id = r->ws_prior->idx;
2478         switchws(r, &a);
2479 }
2480
2481 void
2482 cyclescr(struct swm_region *r, union arg *args)
2483 {
2484         struct swm_region       *rr = NULL;
2485         union arg               a;
2486         int                     i, x, y;
2487
2488         /* do nothing if we don't have more than one screen */
2489         if (!(ScreenCount(display) > 1 || outputs > 1))
2490                 return;
2491
2492         i = r->s->idx;
2493         switch (args->id) {
2494         case SWM_ARG_ID_CYCLESC_UP:
2495                 rr = TAILQ_NEXT(r, entry);
2496                 if (rr == NULL)
2497                         rr = TAILQ_FIRST(&screens[i].rl);
2498                 break;
2499         case SWM_ARG_ID_CYCLESC_DOWN:
2500                 rr = TAILQ_PREV(r, swm_region_list, entry);
2501                 if (rr == NULL)
2502                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2503                 break;
2504         default:
2505                 return;
2506         };
2507         if (rr == NULL)
2508                 return;
2509
2510         /* move mouse to region */
2511         x = X(rr) + 1;
2512         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2513         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2514
2515         a.id = SWM_ARG_ID_FOCUSCUR;
2516         focus(rr, &a);
2517
2518         if (rr->ws->focus) {
2519                 /* move to focus window */
2520                 x = X(rr->ws->focus) + 1;
2521                 y = Y(rr->ws->focus) + 1;
2522                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2523         }
2524 }
2525
2526 void
2527 sort_windows(struct ws_win_list *wl)
2528 {
2529         struct ws_win           *win, *parent, *nxt;
2530
2531         if (wl == NULL)
2532                 return;
2533
2534         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2535                 nxt = TAILQ_NEXT(win, entry);
2536                 if (win->transient) {
2537                         parent = find_window(win->transient);
2538                         if (parent == NULL) {
2539                                 warnx("not possible bug");
2540                                 continue;
2541                         }
2542                         TAILQ_REMOVE(wl, win, entry);
2543                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2544                 }
2545         }
2546
2547 }
2548
2549 void
2550 swapwin(struct swm_region *r, union arg *args)
2551 {
2552         struct ws_win           *target, *source;
2553         struct ws_win           *cur_focus;
2554         struct ws_win_list      *wl;
2555
2556
2557         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2558             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2559
2560         cur_focus = r->ws->focus;
2561         if (cur_focus == NULL)
2562                 return;
2563
2564         source = cur_focus;
2565         wl = &source->ws->winlist;
2566
2567         switch (args->id) {
2568         case SWM_ARG_ID_SWAPPREV:
2569                 if (source->transient)
2570                         source = find_window(source->transient);
2571                 target = TAILQ_PREV(source, ws_win_list, entry);
2572                 if (target && target->transient)
2573                         target = find_window(target->transient);
2574                 TAILQ_REMOVE(wl, source, entry);
2575                 if (target == NULL)
2576                         TAILQ_INSERT_TAIL(wl, source, entry);
2577                 else
2578                         TAILQ_INSERT_BEFORE(target, source, entry);
2579                 break;
2580         case SWM_ARG_ID_SWAPNEXT:
2581                 target = TAILQ_NEXT(source, entry);
2582                 /* move the parent and let the sort handle the move */
2583                 if (source->transient)
2584                         source = find_window(source->transient);
2585                 TAILQ_REMOVE(wl, source, entry);
2586                 if (target == NULL)
2587                         TAILQ_INSERT_HEAD(wl, source, entry);
2588                 else
2589                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2590                 break;
2591         case SWM_ARG_ID_SWAPMAIN:
2592                 target = TAILQ_FIRST(wl);
2593                 if (target == source) {
2594                         if (source->ws->focus_prev != NULL &&
2595                             source->ws->focus_prev != target)
2596                                 source = source->ws->focus_prev;
2597                         else
2598                                 return;
2599                 }
2600                 if (target == NULL || source == NULL)
2601                         return;
2602                 source->ws->focus_prev = target;
2603                 TAILQ_REMOVE(wl, target, entry);
2604                 TAILQ_INSERT_BEFORE(source, target, entry);
2605                 TAILQ_REMOVE(wl, source, entry);
2606                 TAILQ_INSERT_HEAD(wl, source, entry);
2607                 break;
2608         case SWM_ARG_ID_MOVELAST:
2609                 TAILQ_REMOVE(wl, source, entry);
2610                 TAILQ_INSERT_TAIL(wl, source, entry);
2611                 break;
2612         default:
2613                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2614                 return;
2615         }
2616
2617         sort_windows(wl);
2618
2619         stack();
2620 }
2621
2622 void
2623 focus_prev(struct ws_win *win)
2624 {
2625         struct ws_win           *winfocus = NULL;
2626         struct ws_win           *cur_focus = NULL;
2627         struct ws_win_list      *wl = NULL;
2628         struct workspace        *ws = NULL;
2629
2630         if (!(win && win->ws))
2631                 return;
2632
2633         ws = win->ws;
2634         wl = &ws->winlist;
2635         cur_focus = ws->focus;
2636
2637         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx, cur_focus: 0x%lx\n",
2638             WINID(win), WINID(cur_focus));
2639
2640         /* pickle, just focus on whatever */
2641         if (cur_focus == NULL) {
2642                 /* use prev_focus if valid */
2643                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2644                     find_window(WINID(ws->focus_prev)))
2645                         winfocus = ws->focus_prev;
2646                 goto done;
2647         }
2648
2649         /* if transient focus on parent */
2650         if (cur_focus->transient) {
2651                 winfocus = find_window(cur_focus->transient);
2652                 goto done;
2653         }
2654
2655         /* if in max_stack try harder */
2656         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2657             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2658                 if (cur_focus != ws->focus_prev)
2659                         winfocus = ws->focus_prev;
2660                 else
2661                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2662                 if (winfocus)
2663                         goto done;
2664         }
2665
2666         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2667
2668         if (winfocus == NULL || winfocus == win) {
2669                 switch (focus_close) {
2670                 case SWM_STACK_BOTTOM:
2671                         winfocus = TAILQ_FIRST(wl);
2672                         break;
2673                 case SWM_STACK_TOP:
2674                         winfocus = TAILQ_LAST(wl, ws_win_list);
2675                         break;
2676                 case SWM_STACK_ABOVE:
2677                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2678                                 if (focus_close_wrap)
2679                                         winfocus = TAILQ_FIRST(wl);
2680                                 else
2681                                         winfocus = TAILQ_PREV(cur_focus,
2682                                             ws_win_list, entry);
2683                         }
2684                         break;
2685                 case SWM_STACK_BELOW:
2686                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2687                             entry)) == NULL) {
2688                                 if (focus_close_wrap)
2689                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2690                                 else
2691                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2692                         }
2693                         break;
2694                 }
2695         }
2696 done:
2697         if (winfocus == NULL) {
2698                 if (focus_default == SWM_STACK_TOP)
2699                         winfocus = TAILQ_LAST(wl, ws_win_list);
2700                 else
2701                         winfocus = TAILQ_FIRST(wl);
2702         }
2703
2704         kill_refs(win);
2705         focus_magic(winfocus);
2706 }
2707
2708 void
2709 focus(struct swm_region *r, union arg *args)
2710 {
2711         struct ws_win           *winfocus = NULL, *head;
2712         struct ws_win           *cur_focus = NULL;
2713         struct ws_win_list      *wl = NULL;
2714         struct workspace        *ws = NULL;
2715         int                     all_iconics;
2716
2717         if (!(r && r->ws))
2718                 return;
2719
2720         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2721
2722         /* treat FOCUS_CUR special */
2723         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2724                 if (r->ws->focus && r->ws->focus->iconic == 0)
2725                         winfocus = r->ws->focus;
2726                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2727                         winfocus = r->ws->focus_prev;
2728                 else
2729                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2730                                 if (winfocus->iconic == 0)
2731                                         break;
2732
2733                 focus_magic(winfocus);
2734                 return;
2735         }
2736
2737         if ((cur_focus = r->ws->focus) == NULL)
2738                 return;
2739         ws = r->ws;
2740         wl = &ws->winlist;
2741         if (TAILQ_EMPTY(wl))
2742                 return;
2743         /* make sure there is at least one uniconified window */
2744         all_iconics = 1;
2745         TAILQ_FOREACH(winfocus, wl, entry)
2746                 if (winfocus->iconic == 0) {
2747                         all_iconics = 0;
2748                         break;
2749                 }
2750         if (all_iconics)
2751                 return;
2752
2753         switch (args->id) {
2754         case SWM_ARG_ID_FOCUSPREV:
2755                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2756                 if (head == NULL)
2757                         head = TAILQ_LAST(wl, ws_win_list);
2758                 winfocus = head;
2759                 if (WINID(winfocus) == cur_focus->transient) {
2760                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2761                         if (head == NULL)
2762                                 head = TAILQ_LAST(wl, ws_win_list);
2763                         winfocus = head;
2764                 }
2765
2766                 /* skip iconics */
2767                 if (winfocus && winfocus->iconic) {
2768                         while (winfocus != cur_focus) {
2769                                 if (winfocus == NULL)
2770                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2771                                 if (winfocus->iconic == 0)
2772                                         break;
2773                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2774                                     entry);
2775                         }
2776                 }
2777                 break;
2778
2779         case SWM_ARG_ID_FOCUSNEXT:
2780                 head = TAILQ_NEXT(cur_focus, entry);
2781                 if (head == NULL)
2782                         head = TAILQ_FIRST(wl);
2783                 winfocus = head;
2784
2785                 /* skip iconics */
2786                 if (winfocus && winfocus->iconic) {
2787                         while (winfocus != cur_focus) {
2788                                 if (winfocus == NULL)
2789                                         winfocus = TAILQ_FIRST(wl);
2790                                 if (winfocus->iconic == 0)
2791                                         break;
2792                                 winfocus = TAILQ_NEXT(winfocus, entry);
2793                         }
2794                 }
2795                 break;
2796
2797         case SWM_ARG_ID_FOCUSMAIN:
2798                 winfocus = TAILQ_FIRST(wl);
2799                 if (winfocus == cur_focus)
2800                         winfocus = cur_focus->ws->focus_prev;
2801                 break;
2802
2803         default:
2804                 return;
2805         }
2806
2807         focus_magic(winfocus);
2808 }
2809
2810 void
2811 cycle_layout(struct swm_region *r, union arg *args)
2812 {
2813         struct workspace        *ws = r->ws;
2814         union arg               a;
2815
2816         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2817
2818         ws->cur_layout++;
2819         if (ws->cur_layout->l_stack == NULL)
2820                 ws->cur_layout = &layouts[0];
2821
2822         stack();
2823         if (focus_mode == SWM_FOCUS_DEFAULT)
2824                 drain_enter_notify();
2825         a.id = SWM_ARG_ID_FOCUSCUR;
2826         focus(r, &a);
2827 }
2828
2829 void
2830 stack_config(struct swm_region *r, union arg *args)
2831 {
2832         struct workspace        *ws = r->ws;
2833
2834         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
2835             args->id, ws->idx);
2836
2837         if (ws->cur_layout->l_config != NULL)
2838                 ws->cur_layout->l_config(ws, args->id);
2839
2840         if (args->id != SWM_ARG_ID_STACKINIT)
2841                 stack();
2842         bar_update();
2843 }
2844
2845 void
2846 stack(void) {
2847         struct swm_geometry     g;
2848         struct swm_region       *r;
2849         int                     i;
2850 #ifdef SWM_DEBUG
2851         int j;
2852 #endif
2853
2854         DNPRINTF(SWM_D_STACK, "stack: begin\n");
2855
2856         for (i = 0; i < ScreenCount(display); i++) {
2857 #ifdef SWM_DEBUG
2858                 j = 0;
2859 #endif
2860                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2861                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
2862                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
2863
2864                         /* start with screen geometry, adjust for bar */
2865                         g = r->g;
2866                         g.w -= 2 * border_width;
2867                         g.h -= 2 * border_width;
2868                         if (bar_enabled) {
2869                                 if (!bar_at_bottom)
2870                                         g.y += bar_height;
2871                                 g.h -= bar_height;
2872                         }
2873                         r->ws->cur_layout->l_stack(r->ws, &g);
2874                         r->ws->cur_layout->l_string(r->ws);
2875                         /* save r so we can track region changes */
2876                         r->ws->old_r = r;
2877                 }
2878         }
2879         if (font_adjusted)
2880                 font_adjusted--;
2881
2882         if (focus_mode == SWM_FOCUS_DEFAULT)
2883                 drain_enter_notify();
2884
2885         DNPRINTF(SWM_D_STACK, "stack: end\n");
2886 }
2887
2888 void
2889 store_float_geom(struct ws_win *win, struct swm_region *r)
2890 {
2891         /* retain window geom and region geom */
2892         win->g_float = win->g;
2893         win->rg_float = r->g;
2894         win->g_floatvalid = 1;
2895 }
2896
2897 void
2898 stack_floater(struct ws_win *win, struct swm_region *r)
2899 {
2900         unsigned int            mask;
2901         XWindowChanges          wc;
2902
2903         if (win == NULL)
2904                 return;
2905
2906         bzero(&wc, sizeof wc);
2907         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2908
2909         /*
2910          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2911          * geom on ws switches or return from max mode
2912          */
2913         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2914             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2915                 /*
2916                  * use stored g and rg to set relative position and size
2917                  * as in old region or before max stack mode
2918                  */
2919                 X(win) = win->g_float.x - win->rg_float.x + X(r);
2920                 Y(win) = win->g_float.y - win->rg_float.y + Y(r);
2921                 WIDTH(win) = win->g_float.w;
2922                 HEIGHT(win) = win->g_float.h;
2923                 win->g_floatvalid = 0;
2924         }
2925
2926         win->floatmaxed = 0;
2927
2928         if ((win->quirks & SWM_Q_FULLSCREEN) && (WIDTH(win) >= WIDTH(r)) &&
2929             (HEIGHT(win) >= HEIGHT(r)))
2930                 wc.border_width = 0;
2931         else
2932                 wc.border_width = border_width;
2933         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2934                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
2935                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
2936         }
2937
2938         if (!win->manual) {
2939                 /*
2940                  * floaters and transients are auto-centred unless moved
2941                  * or resized
2942                  */
2943                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - wc.border_width;
2944                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - wc.border_width;
2945         }
2946
2947         /* win can be outside r if new r smaller than old r */
2948         /* Ensure top left corner inside r (move probs otherwise) */
2949         if (X(win) < X(r) - wc.border_width)
2950                 X(win) = X(r) - wc.border_width;
2951         if (X(win) > X(r) + WIDTH(r) - 1)
2952                 X(win) = (WIDTH(win) > WIDTH(r)) ? X(r) :
2953                     (X(r) + WIDTH(r) - WIDTH(win) - 2 * wc.border_width);
2954         if (Y(win) < Y(r) - wc.border_width)
2955                 Y(win) = Y(r) - wc.border_width;
2956         if (Y(win) > Y(r) + HEIGHT(r) - 1)
2957                 Y(win) = (HEIGHT(win) > HEIGHT(r)) ? Y(r) :
2958                     (Y(r) + HEIGHT(r) - HEIGHT(win) - 2 * wc.border_width);
2959
2960         wc.x = X(win);
2961         wc.y = Y(win);
2962         wc.width = WIDTH(win);
2963         wc.height = HEIGHT(win);
2964
2965         /*
2966          * Retain floater and transient geometry for correct positioning
2967          * when ws changes region
2968          */
2969         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2970                 store_float_geom(win, r);
2971
2972         DNPRINTF(SWM_D_MISC, "stack_floater: window: %lu, (x,y) w x h: (%d,%d) "
2973             "%d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
2974
2975         XConfigureWindow(display, win->id, mask, &wc);
2976 }
2977
2978 /*
2979  * Send keystrokes to terminal to decrease/increase the font size as the
2980  * window size changes.
2981  */
2982 void
2983 adjust_font(struct ws_win *win)
2984 {
2985         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2986             win->floating || win->transient)
2987                 return;
2988
2989         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2990             WIDTH(win) / win->sh.width_inc < term_width &&
2991             win->font_steps < SWM_MAX_FONT_STEPS) {
2992                 win->font_size_boundary[win->font_steps] =
2993                     (win->sh.width_inc * term_width) + win->sh.base_width;
2994                 win->font_steps++;
2995                 font_adjusted++;
2996                 win->last_inc = win->sh.width_inc;
2997                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2998         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2999             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3000                 win->font_steps--;
3001                 font_adjusted++;
3002                 win->last_inc = win->sh.width_inc;
3003                 fake_keypress(win, XK_KP_Add, ShiftMask);
3004         }
3005 }
3006
3007 #define SWAPXY(g)       do {                            \
3008         int tmp;                                        \
3009         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3010         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3011 } while (0)
3012 void
3013 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3014 {
3015         XWindowChanges          wc;
3016         XWindowAttributes       wa;
3017         struct swm_geometry     win_g, r_g = *g;
3018         struct ws_win           *win, *fs_win = 0;
3019         int                     i, j, s, stacks;
3020         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3021         int                     hrh, extra = 0, h_slice, last_h = 0;
3022         int                     split, colno, winno, mwin, msize, mscale;
3023         int                     remain, missing, v_slice, reconfigure;
3024         unsigned int            mask;
3025
3026         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3027             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3028
3029         winno = count_win(ws, 0);
3030         if (winno == 0 && count_win(ws, 1) == 0)
3031                 return;
3032
3033         TAILQ_FOREACH(win, &ws->winlist, entry)
3034                 if (win->transient == 0 && win->floating == 0
3035                     && win->iconic == 0)
3036                         break;
3037
3038         if (win == NULL)
3039                 goto notiles;
3040
3041         if (rot) {
3042                 w_inc = win->sh.width_inc;
3043                 w_base = win->sh.base_width;
3044                 mwin = ws->l_state.horizontal_mwin;
3045                 mscale = ws->l_state.horizontal_msize;
3046                 stacks = ws->l_state.horizontal_stacks;
3047                 SWAPXY(&r_g);
3048         } else {
3049                 w_inc = win->sh.height_inc;
3050                 w_base = win->sh.base_height;
3051                 mwin = ws->l_state.vertical_mwin;
3052                 mscale = ws->l_state.vertical_msize;
3053                 stacks = ws->l_state.vertical_stacks;
3054         }
3055         win_g = r_g;
3056
3057         if (stacks > winno - mwin)
3058                 stacks = winno - mwin;
3059         if (stacks < 1)
3060                 stacks = 1;
3061
3062         h_slice = r_g.h / SWM_H_SLICE;
3063         if (mwin && winno > mwin) {
3064                 v_slice = r_g.w / SWM_V_SLICE;
3065
3066                 split = mwin;
3067                 colno = split;
3068                 win_g.w = v_slice * mscale;
3069
3070                 if (w_inc > 1 && w_inc < v_slice) {
3071                         /* adjust for window's requested size increment */
3072                         remain = (win_g.w - w_base) % w_inc;
3073                         win_g.w -= remain;
3074                 }
3075
3076                 msize = win_g.w;
3077                 if (flip)
3078                         win_g.x += r_g.w - msize;
3079         } else {
3080                 msize = -2;
3081                 colno = split = winno / stacks;
3082                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3083                     2 * border_width) / stacks);
3084         }
3085         hrh = r_g.h / colno;
3086         extra = r_g.h - (colno * hrh);
3087         win_g.h = hrh - 2 * border_width;
3088
3089         /*  stack all the tiled windows */
3090         i = j = 0, s = stacks;
3091         TAILQ_FOREACH(win, &ws->winlist, entry) {
3092                 if (win->transient != 0 || win->floating != 0)
3093                         continue;
3094                 if (win->iconic != 0)
3095                         continue;
3096
3097                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3098                         fs_win = win;
3099                         continue;
3100                 }
3101
3102                 if (split && i == split) {
3103                         colno = (winno - mwin) / stacks;
3104                         if (s <= (winno - mwin) % stacks)
3105                                 colno++;
3106                         split = split + colno;
3107                         hrh = (r_g.h / colno);
3108                         extra = r_g.h - (colno * hrh);
3109                         if (flip)
3110                                 win_g.x = r_g.x;
3111                         else
3112                                 win_g.x += win_g.w + 2 * border_width;
3113                         win_g.w = (r_g.w - msize -
3114                             (stacks * 2 * border_width)) / stacks;
3115                         if (s == 1)
3116                                 win_g.w += (r_g.w - msize -
3117                                     (stacks * 2 * border_width)) % stacks;
3118                         s--;
3119                         j = 0;
3120                 }
3121                 win_g.h = hrh - 2 * border_width;
3122                 if (rot) {
3123                         h_inc = win->sh.width_inc;
3124                         h_base = win->sh.base_width;
3125                 } else {
3126                         h_inc = win->sh.height_inc;
3127                         h_base = win->sh.base_height;
3128                 }
3129                 if (j == colno - 1) {
3130                         win_g.h = hrh + extra;
3131                 } else if (h_inc > 1 && h_inc < h_slice) {
3132                         /* adjust for window's requested size increment */
3133                         remain = (win_g.h - h_base) % h_inc;
3134                         missing = h_inc - remain;
3135
3136                         if (missing <= extra || j == 0) {
3137                                 extra -= missing;
3138                                 win_g.h += missing;
3139                         } else {
3140                                 win_g.h -= remain;
3141                                 extra += remain;
3142                         }
3143                 }
3144
3145                 if (j == 0)
3146                         win_g.y = r_g.y;
3147                 else
3148                         win_g.y += last_h + 2 * border_width;
3149
3150                 bzero(&wc, sizeof wc);
3151                 if (disable_border && bar_enabled == 0 && winno == 1){
3152                         wc.border_width = 0;
3153                         win_g.w += 2 * border_width;
3154                         win_g.h += 2 * border_width;
3155                 } else
3156                         wc.border_width = border_width;
3157                 reconfigure = 0;
3158                 if (rot) {
3159                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3160                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3161                                 reconfigure = 1;
3162                                 X(win) = wc.x = win_g.y;
3163                                 Y(win) = wc.y = win_g.x;
3164                                 WIDTH(win) = wc.width = win_g.h;
3165                                 HEIGHT(win) = wc.height = win_g.w;
3166                         }
3167                 } else {
3168                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3169                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3170                                 reconfigure = 1;
3171                                 X(win) = wc.x = win_g.x;
3172                                 Y(win) = wc.y = win_g.y;
3173                                 WIDTH(win) = wc.width = win_g.w;
3174                                 HEIGHT(win) = wc.height = win_g.h;
3175                         }
3176                 }
3177                 if (reconfigure) {
3178                         adjust_font(win);
3179                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3180                         XConfigureWindow(display, win->id, mask, &wc);
3181                 }
3182
3183                 if (XGetWindowAttributes(display, win->id, &wa))
3184                         if (wa.map_state == IsUnmapped)
3185                                 XMapRaised(display, win->id);
3186
3187                 last_h = win_g.h;
3188                 i++;
3189                 j++;
3190         }
3191
3192 notiles:
3193         /* now, stack all the floaters and transients */
3194         TAILQ_FOREACH(win, &ws->winlist, entry) {
3195                 if (win->transient == 0 && win->floating == 0)
3196                         continue;
3197                 if (win->iconic == 1)
3198                         continue;
3199                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3200                         fs_win = win;
3201                         continue;
3202                 }
3203
3204                 stack_floater(win, ws->r);
3205                 XMapRaised(display, win->id);
3206         }
3207
3208         if (fs_win) {
3209                 stack_floater(fs_win, ws->r);
3210                 XMapRaised(display, fs_win->id);
3211         }
3212 }
3213
3214 void
3215 vertical_config(struct workspace *ws, int id)
3216 {
3217         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3218             id, ws->idx);
3219
3220         switch (id) {
3221         case SWM_ARG_ID_STACKRESET:
3222         case SWM_ARG_ID_STACKINIT:
3223                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3224                 ws->l_state.vertical_mwin = 1;
3225                 ws->l_state.vertical_stacks = 1;
3226                 break;
3227         case SWM_ARG_ID_MASTERSHRINK:
3228                 if (ws->l_state.vertical_msize > 1)
3229                         ws->l_state.vertical_msize--;
3230                 break;
3231         case SWM_ARG_ID_MASTERGROW:
3232                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3233                         ws->l_state.vertical_msize++;
3234                 break;
3235         case SWM_ARG_ID_MASTERADD:
3236                 ws->l_state.vertical_mwin++;
3237                 break;
3238         case SWM_ARG_ID_MASTERDEL:
3239                 if (ws->l_state.vertical_mwin > 0)
3240                         ws->l_state.vertical_mwin--;
3241                 break;
3242         case SWM_ARG_ID_STACKINC:
3243                 ws->l_state.vertical_stacks++;
3244                 break;
3245         case SWM_ARG_ID_STACKDEC:
3246                 if (ws->l_state.vertical_stacks > 1)
3247                         ws->l_state.vertical_stacks--;
3248                 break;
3249         case SWM_ARG_ID_FLIPLAYOUT:
3250                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3251                 break;
3252         default:
3253                 return;
3254         }
3255 }
3256
3257 void
3258 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3259 {
3260         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3261
3262         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3263 }
3264
3265 void
3266 horizontal_config(struct workspace *ws, int id)
3267 {
3268         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3269
3270         switch (id) {
3271         case SWM_ARG_ID_STACKRESET:
3272         case SWM_ARG_ID_STACKINIT:
3273                 ws->l_state.horizontal_mwin = 1;
3274                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3275                 ws->l_state.horizontal_stacks = 1;
3276                 break;
3277         case SWM_ARG_ID_MASTERSHRINK:
3278                 if (ws->l_state.horizontal_msize > 1)
3279                         ws->l_state.horizontal_msize--;
3280                 break;
3281         case SWM_ARG_ID_MASTERGROW:
3282                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3283                         ws->l_state.horizontal_msize++;
3284                 break;
3285         case SWM_ARG_ID_MASTERADD:
3286                 ws->l_state.horizontal_mwin++;
3287                 break;
3288         case SWM_ARG_ID_MASTERDEL:
3289                 if (ws->l_state.horizontal_mwin > 0)
3290                         ws->l_state.horizontal_mwin--;
3291                 break;
3292         case SWM_ARG_ID_STACKINC:
3293                 ws->l_state.horizontal_stacks++;
3294                 break;
3295         case SWM_ARG_ID_STACKDEC:
3296                 if (ws->l_state.horizontal_stacks > 1)
3297                         ws->l_state.horizontal_stacks--;
3298                 break;
3299         case SWM_ARG_ID_FLIPLAYOUT:
3300                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3301                 break;
3302         default:
3303                 return;
3304         }
3305 }
3306
3307 void
3308 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3309 {
3310         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3311
3312         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3313 }
3314
3315 /* fullscreen view */
3316 void
3317 max_stack(struct workspace *ws, struct swm_geometry *g)
3318 {
3319         XWindowChanges          wc;
3320         struct swm_geometry     gg = *g;
3321         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3322         unsigned int            mask;
3323         int                     winno;
3324
3325         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3326
3327         if (ws == NULL)
3328                 return;
3329
3330         winno = count_win(ws, 0);
3331         if (winno == 0 && count_win(ws, 1) == 0)
3332                 return;
3333
3334         TAILQ_FOREACH(win, &ws->winlist, entry) {
3335                 if (win->transient) {
3336                         wintrans = win;
3337                         parent = find_window(win->transient);
3338                         continue;
3339                 }
3340
3341                 if (win->floating && win->floatmaxed == 0 ) {
3342                         /*
3343                          * retain geometry for retrieval on exit from
3344                          * max_stack mode
3345                          */
3346                         store_float_geom(win, ws->r);
3347                         win->floatmaxed = 1;
3348                 }
3349
3350                 /* only reconfigure if necessary */
3351                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3352                     HEIGHT(win) != gg.h) {
3353                         bzero(&wc, sizeof wc);
3354                         X(win) = wc.x = gg.x;
3355                         Y(win) = wc.y = gg.y;
3356                         if (bar_enabled){
3357                                 wc.border_width = border_width;
3358                                 WIDTH(win) = wc.width = gg.w;
3359                                 HEIGHT(win) = wc.height = gg.h;
3360                         } else {
3361                                 wc.border_width = 0;
3362                                 WIDTH(win) = wc.width = gg.w + 2 * border_width;
3363                                 HEIGHT(win) = wc.height = gg.h +
3364                                     2 * border_width;
3365                         }
3366                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3367                         XConfigureWindow(display, win->id, mask, &wc);
3368                 }
3369                 /* unmap only if we don't have multi screen */
3370                 if (win != ws->focus)
3371                         if (!(ScreenCount(display) > 1 || outputs > 1))
3372                                 unmap_window(win);
3373         }
3374
3375         /* put the last transient on top */
3376         if (wintrans) {
3377                 if (parent)
3378                         XMapRaised(display, parent->id);
3379                 stack_floater(wintrans, ws->r);
3380                 focus_magic(wintrans);
3381         }
3382 }
3383
3384 void
3385 send_to_ws(struct swm_region *r, union arg *args)
3386 {
3387         int                     wsid = args->id;
3388         struct ws_win           *win = NULL, *parent;
3389         struct workspace        *ws, *nws;
3390         Atom                    ws_idx_atom = 0;
3391         unsigned char           ws_idx_str[SWM_PROPLEN];
3392         union arg               a;
3393
3394         if (wsid >= workspace_limit)
3395                 return;
3396
3397         if (r && r->ws && r->ws->focus)
3398                 win = r->ws->focus;
3399         else
3400                 return;
3401         if (win == NULL)
3402                 return;
3403         if (win->ws->idx == wsid)
3404                 return;
3405
3406         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3407
3408         ws = win->ws;
3409         nws = &win->s->ws[wsid];
3410
3411         a.id = SWM_ARG_ID_FOCUSPREV;
3412         focus(r, &a);
3413         if (win->transient) {
3414                 parent = find_window(win->transient);
3415                 if (parent) {
3416                         unmap_window(parent);
3417                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3418                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3419                         parent->ws = nws;
3420                 }
3421         }
3422         unmap_window(win);
3423         TAILQ_REMOVE(&ws->winlist, win, entry);
3424         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3425         if (TAILQ_EMPTY(&ws->winlist))
3426                 r->ws->focus = NULL;
3427         win->ws = nws;
3428
3429         /* Try to update the window's workspace property */
3430         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3431         if (ws_idx_atom &&
3432             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3433                 SWM_PROPLEN) {
3434                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3435                     ws_idx_str);
3436                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3437                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
3438         }
3439
3440         stack();
3441         bar_update();
3442 }
3443
3444 void
3445 pressbutton(struct swm_region *r, union arg *args)
3446 {
3447         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3448         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3449 }
3450
3451 void
3452 raise_toggle(struct swm_region *r, union arg *args)
3453 {
3454         if (r == NULL || r->ws == NULL)
3455                 return;
3456
3457         r->ws->always_raise = !r->ws->always_raise;
3458
3459         /* bring floaters back to top */
3460         if (r->ws->always_raise == 0)
3461                 stack();
3462 }
3463
3464 void
3465 iconify(struct swm_region *r, union arg *args)
3466 {
3467         union arg a;
3468
3469         if (r->ws->focus == NULL)
3470                 return;
3471         unmap_window(r->ws->focus);
3472         update_iconic(r->ws->focus, 1);
3473         stack();
3474         if (focus_mode == SWM_FOCUS_DEFAULT)
3475                 drain_enter_notify();
3476         r->ws->focus = NULL;
3477         a.id = SWM_ARG_ID_FOCUSCUR;
3478         focus(r, &a);
3479 }
3480
3481 unsigned char *
3482 get_win_name(Window win)
3483 {
3484         unsigned char           *prop = NULL;
3485         unsigned long           nbytes, nitems;
3486
3487         /* try _NET_WM_NAME first */
3488         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3489             &prop)) {
3490                 XFree(prop);
3491                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3492                     &nitems, NULL, &prop))
3493                         return (prop);
3494         }
3495
3496         /* fallback to WM_NAME */
3497         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3498                 return (NULL);
3499         XFree(prop);
3500         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3501                 return (prop);
3502
3503         return (NULL);
3504 }
3505
3506 void
3507 uniconify(struct swm_region *r, union arg *args)
3508 {
3509         struct ws_win           *win;
3510         FILE                    *lfile;
3511         unsigned char           *name;
3512         int                     count = 0;
3513
3514         DNPRINTF(SWM_D_MISC, "uniconify\n");
3515
3516         if (r == NULL || r->ws == NULL)
3517                 return;
3518
3519         /* make sure we have anything to uniconify */
3520         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3521                 if (win->ws == NULL)
3522                         continue; /* should never happen */
3523                 if (win->iconic == 0)
3524                         continue;
3525                 count++;
3526         }
3527         if (count == 0)
3528                 return;
3529
3530         search_r = r;
3531         search_resp_action = SWM_SEARCH_UNICONIFY;
3532
3533         spawn_select(r, args, "search", &searchpid);
3534
3535         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3536                 return;
3537
3538         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3539                 if (win->ws == NULL)
3540                         continue; /* should never happen */
3541                 if (win->iconic == 0)
3542                         continue;
3543
3544                 name = get_win_name(win->id);
3545                 if (name == NULL)
3546                         continue;
3547                 fprintf(lfile, "%s.%lu\n", name, win->id);
3548                 XFree(name);
3549         }
3550
3551         fclose(lfile);
3552 }
3553
3554 void
3555 name_workspace(struct swm_region *r, union arg *args)
3556 {
3557         FILE                    *lfile;
3558
3559         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3560
3561         if (r == NULL)
3562                 return;
3563
3564         search_r = r;
3565         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3566
3567         spawn_select(r, args, "name_workspace", &searchpid);
3568
3569         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3570                 return;
3571
3572         fprintf(lfile, "%s", "");
3573         fclose(lfile);
3574 }
3575
3576 void
3577 search_workspace(struct swm_region *r, union arg *args)
3578 {
3579         int                     i;
3580         struct workspace        *ws;
3581         FILE                    *lfile;
3582
3583         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3584
3585         if (r == NULL)
3586                 return;
3587
3588         search_r = r;
3589         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3590
3591         spawn_select(r, args, "search", &searchpid);
3592
3593         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3594                 return;
3595
3596         for (i = 0; i < workspace_limit; i++) {
3597                 ws = &r->s->ws[i];
3598                 if (ws == NULL)
3599                         continue;
3600                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3601                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3602         }
3603
3604         fclose(lfile);
3605 }
3606
3607 void
3608 search_win_cleanup(void)
3609 {
3610         struct search_window    *sw = NULL;
3611
3612         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3613                 XDestroyWindow(display, sw->indicator);
3614                 XFreeGC(display, sw->gc);
3615                 TAILQ_REMOVE(&search_wl, sw, entry);
3616                 free(sw);
3617         }
3618 }
3619
3620 void
3621 search_win(struct swm_region *r, union arg *args)
3622 {
3623         struct ws_win           *win = NULL;
3624         struct search_window    *sw = NULL;
3625         Window                  w;
3626         XGCValues               gcv;
3627         int                     i;
3628         char                    s[8];
3629         FILE                    *lfile;
3630         size_t                  len;
3631         XRectangle              ibox, lbox;
3632
3633         DNPRINTF(SWM_D_MISC, "search_win\n");
3634
3635         search_r = r;
3636         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3637
3638         spawn_select(r, args, "search", &searchpid);
3639
3640         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3641                 return;
3642
3643         TAILQ_INIT(&search_wl);
3644
3645         i = 1;
3646         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3647                 if (win->iconic == 1)
3648                         continue;
3649
3650                 sw = calloc(1, sizeof(struct search_window));
3651                 if (sw == NULL) {
3652                         warn("search_win: calloc");
3653                         fclose(lfile);
3654                         search_win_cleanup();
3655                         return;
3656                 }
3657                 sw->idx = i;
3658                 sw->win = win;
3659
3660                 snprintf(s, sizeof s, "%d", i);
3661                 len = strlen(s);
3662
3663                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3664
3665                 w = XCreateSimpleWindow(display,
3666                     win->id, 0, 0,lbox.width + 4,
3667                     bar_fs_extents->max_logical_extent.height, 1,
3668                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3669                     r->s->c[SWM_S_COLOR_FOCUS].color);
3670
3671                 sw->indicator = w;
3672                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3673
3674                 sw->gc = XCreateGC(display, w, 0, &gcv);
3675                 XMapRaised(display, w);
3676                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3677
3678                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3679                     (bar_fs_extents->max_logical_extent.height -
3680                     lbox.height) / 2 - lbox.y, s, len);
3681
3682                 fprintf(lfile, "%d\n", i);
3683                 i++;
3684         }
3685
3686         fclose(lfile);
3687 }
3688
3689 void
3690 search_resp_uniconify(char *resp, unsigned long len)
3691 {
3692         unsigned char           *name;
3693         struct ws_win           *win;
3694         char                    *s;
3695
3696         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3697
3698         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3699                 if (win->iconic == 0)
3700                         continue;
3701                 name = get_win_name(win->id);
3702                 if (name == NULL)
3703                         continue;
3704                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3705                         XFree(name);
3706                         continue;
3707                 }
3708                 XFree(name);
3709                 if (strncmp(s, resp, len) == 0) {
3710                         /* XXX this should be a callback to generalize */
3711                         update_iconic(win, 0);
3712                         free(s);
3713                         break;
3714                 }
3715                 free(s);
3716         }
3717 }
3718
3719 void
3720 search_resp_name_workspace(char *resp, unsigned long len)
3721 {
3722         struct workspace        *ws;
3723
3724         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3725
3726         if (search_r->ws == NULL)
3727                 return;
3728         ws = search_r->ws;
3729
3730         if (ws->name) {
3731                 free(search_r->ws->name);
3732                 search_r->ws->name = NULL;
3733         }
3734
3735         if (len > 1) {
3736                 ws->name = strdup(resp);
3737                 if (ws->name == NULL) {
3738                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3739                             "strdup: %s", strerror(errno));
3740                         return;
3741                 }
3742         }
3743 }
3744
3745 void
3746 search_resp_search_workspace(char *resp, unsigned long len)
3747 {
3748         char                    *p, *q;
3749         int                     ws_idx;
3750         const char              *errstr;
3751         union arg               a;
3752
3753         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3754
3755         q = strdup(resp);
3756         if (!q) {
3757                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3758                     strerror(errno));
3759                 return;
3760         }
3761         p = strchr(q, ':');
3762         if (p != NULL)
3763                 *p = '\0';
3764         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3765         if (errstr) {
3766                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3767                     errstr, q);
3768                 free(q);
3769                 return;
3770         }
3771         free(q);
3772         a.id = ws_idx - 1;
3773         switchws(search_r, &a);
3774 }
3775
3776 void
3777 search_resp_search_window(char *resp, unsigned long len)
3778 {
3779         char                    *s;
3780         int                     idx;
3781         const char              *errstr;
3782         struct search_window    *sw;
3783
3784         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3785
3786         s = strdup(resp);
3787         if (!s) {
3788                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3789                     strerror(errno));
3790                 return;
3791         }
3792
3793         idx = strtonum(s, 1, INT_MAX, &errstr);
3794         if (errstr) {
3795                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3796                     errstr, s);
3797                 free(s);
3798                 return;
3799         }
3800         free(s);
3801
3802         TAILQ_FOREACH(sw, &search_wl, entry)
3803                 if (idx == sw->idx) {
3804                         focus_win(sw->win);
3805                         break;
3806                 }
3807 }
3808
3809 #define MAX_RESP_LEN    1024
3810
3811 void
3812 search_do_resp(void)
3813 {
3814         ssize_t                 rbytes;
3815         char                    *resp;
3816         unsigned long           len;
3817
3818         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3819
3820         search_resp = 0;
3821         searchpid = 0;
3822
3823         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3824                 warn("search: calloc");
3825                 goto done;
3826         }
3827
3828         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3829         if (rbytes <= 0) {
3830                 warn("search: read error");
3831                 goto done;
3832         }
3833         resp[rbytes] = '\0';
3834
3835         /* XXX:
3836          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3837          * newline, so work around that by sanitizing the resp now.
3838          */
3839         resp[strcspn(resp, "\n")] = '\0';
3840         len = strlen(resp);
3841
3842         switch (search_resp_action) {
3843         case SWM_SEARCH_UNICONIFY:
3844                 search_resp_uniconify(resp, len);
3845                 break;
3846         case SWM_SEARCH_NAME_WORKSPACE:
3847                 search_resp_name_workspace(resp, len);
3848                 break;
3849         case SWM_SEARCH_SEARCH_WORKSPACE:
3850                 search_resp_search_workspace(resp, len);
3851                 break;
3852         case SWM_SEARCH_SEARCH_WINDOW:
3853                 search_resp_search_window(resp, len);
3854                 break;
3855         }
3856
3857 done:
3858         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
3859                 search_win_cleanup();
3860
3861         search_resp_action = SWM_SEARCH_NONE;
3862         close(select_resp_pipe[0]);
3863         free(resp);
3864 }
3865
3866 void
3867 wkill(struct swm_region *r, union arg *args)
3868 {
3869         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
3870
3871         if (r->ws->focus == NULL)
3872                 return;
3873
3874         if (args->id == SWM_ARG_ID_KILLWINDOW)
3875                 XKillClient(display, r->ws->focus->id);
3876         else
3877                 if (r->ws->focus->can_delete)
3878                         client_msg(r->ws->focus, adelete);
3879 }
3880
3881
3882 int
3883 floating_toggle_win(struct ws_win *win)
3884 {
3885         struct swm_region       *r;
3886
3887         if (win == NULL)
3888                 return (0);
3889
3890         if (!win->ws->r)
3891                 return (0);
3892
3893         r = win->ws->r;
3894
3895         /* reject floating toggles in max stack mode */
3896         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3897                 return (0);
3898
3899         if (win->floating) {
3900                 if (!win->floatmaxed) {
3901                         /* retain position for refloat */
3902                         store_float_geom(win, r);
3903                 }
3904                 win->floating = 0;
3905         } else {
3906                 if (win->g_floatvalid) {
3907                         /* refloat at last floating relative position */
3908                         X(win) = win->g_float.x - win->rg_float.x + X(r);
3909                         Y(win) = win->g_float.y - win->rg_float.y + Y(r);
3910                         WIDTH(win) = win->g_float.w;
3911                         HEIGHT(win) = win->g_float.h;
3912                 }
3913                 win->floating = 1;
3914         }
3915
3916         ewmh_update_actions(win);
3917
3918         return (1);
3919 }
3920
3921 void
3922 floating_toggle(struct swm_region *r, union arg *args)
3923 {
3924         struct ws_win           *win = r->ws->focus;
3925         union arg               a;
3926
3927         if (win == NULL)
3928                 return;
3929
3930         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3931             _NET_WM_STATE_TOGGLE);
3932
3933         stack();
3934         if (focus_mode == SWM_FOCUS_DEFAULT)
3935                 drain_enter_notify();
3936
3937         if (win == win->ws->focus) {
3938                 a.id = SWM_ARG_ID_FOCUSCUR;
3939                 focus(win->ws->r, &a);
3940         }
3941 }
3942
3943 void
3944 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
3945 {
3946         if (X(win) + WIDTH(win) > X(r) + WIDTH(r) - border_width) {
3947                 if (resizable)
3948                         WIDTH(win) = X(r) + WIDTH(r) - X(win) - border_width;
3949                 else
3950                         X(win) = X(r) + WIDTH(r) - WIDTH(win) - border_width;
3951         }
3952
3953         if (X(win) < X(r) - border_width) {
3954                 if (resizable)
3955                         WIDTH(win) -= X(r) - X(win) - border_width;
3956
3957                 X(win) = X(r) - border_width;
3958         }
3959
3960         if (Y(win) + HEIGHT(win) > Y(r) + HEIGHT(r) - border_width) {
3961                 if (resizable)
3962                         HEIGHT(win) = Y(r) + HEIGHT(r) - Y(win) - border_width;
3963                 else
3964                         Y(win) = Y(r) + HEIGHT(r) - HEIGHT(win) - border_width;
3965         }
3966
3967         if (Y(win) < Y(r) - border_width) {
3968                 if (resizable)
3969                         HEIGHT(win) -= Y(r) - Y(win) - border_width;
3970
3971                 Y(win) = Y(r) - border_width;
3972         }
3973
3974         if (WIDTH(win) < 1)
3975                 WIDTH(win) = 1;
3976         if (HEIGHT(win) < 1)
3977                 HEIGHT(win) = 1;
3978 }
3979
3980 void
3981 update_window(struct ws_win *win)
3982 {
3983         unsigned int            mask;
3984         XWindowChanges          wc;
3985
3986         bzero(&wc, sizeof wc);
3987         mask = CWBorderWidth | CWWidth | CWHeight | CWX | CWY;
3988         wc.border_width = border_width;
3989         wc.x = X(win);
3990         wc.y = Y(win);
3991         wc.width = WIDTH(win);
3992         wc.height = HEIGHT(win);
3993
3994         DNPRINTF(SWM_D_MISC, "update_window: window: 0x%lx, (x,y) w x h: "
3995             "(%d,%d) %d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
3996
3997         XConfigureWindow(display, win->id, mask, &wc);
3998 }
3999
4000 #define SWM_RESIZE_STEPS        (50)
4001
4002 void
4003 resize(struct ws_win *win, union arg *args)
4004 {
4005         XEvent                  ev;
4006         Time                    time = 0;
4007         struct swm_region       *r = NULL;
4008         int                     resize_step = 0;
4009         Window                  rr, cr;
4010         int                     x, y, wx, wy;
4011         unsigned int            mask;
4012         struct swm_geometry     g;
4013         int                     top = 0, left = 0;
4014         int                     dx, dy;
4015         Cursor                  cursor;
4016         unsigned int            shape; /* cursor style */
4017
4018         if (win == NULL)
4019                 return;
4020         r = win->ws->r;
4021
4022         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
4023             "transient: 0x%lx\n", win->id, YESNO(win->floating),
4024             win->transient);
4025
4026         if (!(win->transient != 0 || win->floating != 0))
4027                 return;
4028
4029         /* reject resizes in max mode for floaters (transient ok) */
4030         if (win->floatmaxed)
4031                 return;
4032
4033         win->manual = 1;
4034         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4035             _NET_WM_STATE_ADD);
4036
4037         stack();
4038
4039         switch (args->id) {
4040         case SWM_ARG_ID_WIDTHSHRINK:
4041                 WIDTH(win) -= SWM_RESIZE_STEPS;
4042                 resize_step = 1;
4043                 break;
4044         case SWM_ARG_ID_WIDTHGROW:
4045                 WIDTH(win) += SWM_RESIZE_STEPS;
4046                 resize_step = 1;
4047                 break;
4048         case SWM_ARG_ID_HEIGHTSHRINK:
4049                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4050                 resize_step = 1;
4051                 break;
4052         case SWM_ARG_ID_HEIGHTGROW:
4053                 HEIGHT(win) += SWM_RESIZE_STEPS;
4054                 resize_step = 1;
4055                 break;
4056         default:
4057                 break;
4058         }
4059         if (resize_step) {
4060                 constrain_window(win, r, 1);
4061                 update_window(win);
4062                 store_float_geom(win,r);
4063                 return;
4064         }
4065
4066         if (focus_mode == SWM_FOCUS_DEFAULT)
4067                 drain_enter_notify();
4068
4069         /* get cursor offset from window root */
4070         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4071             return;
4072
4073         g = win->g;
4074
4075         if (wx < WIDTH(win) / 2)
4076                 left = 1;
4077
4078         if (wy < HEIGHT(win) / 2)
4079                 top = 1;
4080
4081         if (args->id == SWM_ARG_ID_CENTER)
4082                 shape = XC_sizing;
4083         else if (top)
4084                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4085         else
4086                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4087
4088         cursor = XCreateFontCursor(display, shape);
4089
4090         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4091             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4092                 XFreeCursor(display, cursor);
4093                 return;
4094         }
4095
4096         do {
4097                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4098                     SubstructureRedirectMask, &ev);
4099                 switch (ev.type) {
4100                 case ConfigureRequest:
4101                 case Expose:
4102                 case MapRequest:
4103                         handler[ev.type](&ev);
4104                         break;
4105                 case MotionNotify:
4106                         /* cursor offset/delta from start of the operation */
4107                         dx = ev.xmotion.x_root - x;
4108                         dy = ev.xmotion.y_root - y;
4109
4110                         /* vertical */
4111                         if (top)
4112                                 dy = -dy;
4113
4114                         if (args->id == SWM_ARG_ID_CENTER) {
4115                                 if (g.h / 2 + dy < 1)
4116                                         dy = 1 - g.h / 2;
4117
4118                                 Y(win) = g.y - dy;
4119                                 HEIGHT(win) = g.h + 2 * dy;
4120                         } else {
4121                                 if (g.h + dy < 1)
4122                                         dy = 1 - g.h;
4123
4124                                 if (top)
4125                                         Y(win) = g.y - dy;
4126
4127                                 HEIGHT(win) = g.h + dy;
4128                         }
4129
4130                         /* horizontal */
4131                         if (left)
4132                                 dx = -dx;
4133
4134                         if (args->id == SWM_ARG_ID_CENTER) {
4135                                 if (g.w / 2 + dx < 1)
4136                                         dx = 1 - g.w / 2;
4137
4138                                 X(win) = g.x - dx;
4139                                 WIDTH(win) = g.w + 2 * dx;
4140                         } else {
4141                                 if (g.w + dx < 1)
4142                                         dx = 1 - g.w;
4143
4144                                 if (left)
4145                                         X(win) = g.x - dx;
4146
4147                                 WIDTH(win) = g.w + dx;
4148                         }
4149
4150                         constrain_window(win, r, 1);
4151
4152                         /* not free, don't sync more than 120 times / second */
4153                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4154                                 time = ev.xmotion.time;
4155                                 XSync(display, False);
4156                                 update_window(win);
4157                         }
4158                         break;
4159                 }
4160         } while (ev.type != ButtonRelease);
4161         if (time) {
4162                 XSync(display, False);
4163                 update_window(win);
4164         }
4165         store_float_geom(win,r);
4166
4167         XUngrabPointer(display, CurrentTime);
4168         XFreeCursor(display, cursor);
4169
4170         /* drain events */
4171         drain_enter_notify();
4172 }
4173
4174 void
4175 resize_step(struct swm_region *r, union arg *args)
4176 {
4177         struct ws_win           *win = NULL;
4178
4179         if (r && r->ws && r->ws->focus)
4180                 win = r->ws->focus;
4181         else
4182                 return;
4183
4184         resize(win, args);
4185 }
4186
4187 #define SWM_MOVE_STEPS  (50)
4188
4189 void
4190 move(struct ws_win *win, union arg *args)
4191 {
4192         XEvent                  ev;
4193         Time                    time = 0;
4194         int                     move_step = 0;
4195         struct swm_region       *r = NULL;
4196
4197         Window                  rr, cr;
4198         int                     x, y, wx, wy;
4199         unsigned int            mask;
4200
4201         if (win == NULL)
4202                 return;
4203         r = win->ws->r;
4204
4205         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4206             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4207
4208         /* in max_stack mode should only move transients */
4209         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4210                 return;
4211
4212         win->manual = 1;
4213         if (win->floating == 0 && !win->transient) {
4214                 store_float_geom(win,r);
4215                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4216                     _NET_WM_STATE_ADD);
4217         }
4218         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4219             _NET_WM_STATE_ADD);
4220
4221         stack();
4222
4223         move_step = 0;
4224         switch (args->id) {
4225         case SWM_ARG_ID_MOVELEFT:
4226                 X(win) -= (SWM_MOVE_STEPS - border_width);
4227                 move_step = 1;
4228                 break;
4229         case SWM_ARG_ID_MOVERIGHT:
4230                 X(win) += (SWM_MOVE_STEPS - border_width);
4231                 move_step = 1;
4232                 break;
4233         case SWM_ARG_ID_MOVEUP:
4234                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4235                 move_step = 1;
4236                 break;
4237         case SWM_ARG_ID_MOVEDOWN:
4238                 Y(win) += (SWM_MOVE_STEPS - border_width);
4239                 move_step = 1;
4240                 break;
4241         default:
4242                 break;
4243         }
4244         if (move_step) {
4245                 constrain_window(win, r, 0);
4246                 update_window(win);
4247                 store_float_geom(win, r);
4248                 return;
4249         }
4250
4251         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4252             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4253             CurrentTime) != GrabSuccess)
4254                 return;
4255
4256         /* get cursor offset from window root */
4257         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4258             return;
4259
4260         do {
4261                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4262                     SubstructureRedirectMask, &ev);
4263                 switch (ev.type) {
4264                 case ConfigureRequest:
4265                 case Expose:
4266                 case MapRequest:
4267                         handler[ev.type](&ev);
4268                         break;
4269                 case MotionNotify:
4270                         X(win) = ev.xmotion.x_root - wx - border_width;
4271                         Y(win) = ev.xmotion.y_root - wy - border_width;
4272
4273                         constrain_window(win, r, 0);
4274
4275                         /* not free, don't sync more than 120 times / second */
4276                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4277                                 time = ev.xmotion.time;
4278                                 XSync(display, False);
4279                                 update_window(win);
4280                         }
4281                         break;
4282                 }
4283         } while (ev.type != ButtonRelease);
4284         if (time) {
4285                 XSync(display, False);
4286                 update_window(win);
4287         }
4288         store_float_geom(win,r);
4289         XUngrabPointer(display, CurrentTime);
4290
4291         /* drain events */
4292         drain_enter_notify();
4293 }
4294
4295 void
4296 move_step(struct swm_region *r, union arg *args)
4297 {
4298         struct ws_win           *win = NULL;
4299
4300         if (r && r->ws && r->ws->focus)
4301                 win = r->ws->focus;
4302         else
4303                 return;
4304
4305         if (!(win->transient != 0 || win->floating != 0))
4306                 return;
4307
4308         move(win, args);
4309 }
4310
4311
4312 /* user/key callable function IDs */
4313 enum keyfuncid {
4314         kf_cycle_layout,
4315         kf_flip_layout,
4316         kf_stack_reset,
4317         kf_master_shrink,
4318         kf_master_grow,
4319         kf_master_add,
4320         kf_master_del,
4321         kf_stack_inc,
4322         kf_stack_dec,
4323         kf_swap_main,
4324         kf_focus_next,
4325         kf_focus_prev,
4326         kf_swap_next,
4327         kf_swap_prev,
4328         kf_spawn_term,
4329         kf_spawn_menu,
4330         kf_quit,
4331         kf_restart,
4332         kf_focus_main,
4333         kf_ws_1,
4334         kf_ws_2,
4335         kf_ws_3,
4336         kf_ws_4,
4337         kf_ws_5,
4338         kf_ws_6,
4339         kf_ws_7,
4340         kf_ws_8,
4341         kf_ws_9,
4342         kf_ws_10,
4343         kf_ws_11,
4344         kf_ws_12,
4345         kf_ws_13,
4346         kf_ws_14,
4347         kf_ws_15,
4348         kf_ws_16,
4349         kf_ws_17,
4350         kf_ws_18,
4351         kf_ws_19,
4352         kf_ws_20,
4353         kf_ws_21,
4354         kf_ws_22,
4355         kf_ws_next,
4356         kf_ws_prev,
4357         kf_ws_next_all,
4358         kf_ws_prev_all,
4359         kf_ws_prior,
4360         kf_screen_next,
4361         kf_screen_prev,
4362         kf_mvws_1,
4363         kf_mvws_2,
4364         kf_mvws_3,
4365         kf_mvws_4,
4366         kf_mvws_5,
4367         kf_mvws_6,
4368         kf_mvws_7,
4369         kf_mvws_8,
4370         kf_mvws_9,
4371         kf_mvws_10,
4372         kf_mvws_11,
4373         kf_mvws_12,
4374         kf_mvws_13,
4375         kf_mvws_14,
4376         kf_mvws_15,
4377         kf_mvws_16,
4378         kf_mvws_17,
4379         kf_mvws_18,
4380         kf_mvws_19,
4381         kf_mvws_20,
4382         kf_mvws_21,
4383         kf_mvws_22,
4384         kf_bar_toggle,
4385         kf_wind_kill,
4386         kf_wind_del,
4387         kf_screenshot_all,
4388         kf_screenshot_wind,
4389         kf_float_toggle,
4390         kf_version,
4391         kf_spawn_lock,
4392         kf_spawn_initscr,
4393         kf_spawn_custom,
4394         kf_iconify,
4395         kf_uniconify,
4396         kf_raise_toggle,
4397         kf_button2,
4398         kf_width_shrink,
4399         kf_width_grow,
4400         kf_height_shrink,
4401         kf_height_grow,
4402         kf_move_left,
4403         kf_move_right,
4404         kf_move_up,
4405         kf_move_down,
4406         kf_name_workspace,
4407         kf_search_workspace,
4408         kf_search_win,
4409         kf_dumpwins, /* MUST BE LAST */
4410         kf_invalid
4411 };
4412
4413 /* key definitions */
4414 void
4415 dummykeyfunc(struct swm_region *r, union arg *args)
4416 {
4417 };
4418
4419 void
4420 legacyfunc(struct swm_region *r, union arg *args)
4421 {
4422 };
4423
4424 struct keyfunc {
4425         char                    name[SWM_FUNCNAME_LEN];
4426         void                    (*func)(struct swm_region *r, union arg *);
4427         union arg               args;
4428 } keyfuncs[kf_invalid + 1] = {
4429         /* name                 function        argument */
4430         { "cycle_layout",       cycle_layout,   {0} },
4431         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4432         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4433         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4434         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4435         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4436         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4437         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4438         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4439         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4440         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4441         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4442         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4443         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4444         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
4445         { "spawn_menu",         legacyfunc,     {0} },
4446         { "quit",               quit,           {0} },
4447         { "restart",            restart,        {0} },
4448         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4449         { "ws_1",               switchws,       {.id = 0} },
4450         { "ws_2",               switchws,       {.id = 1} },
4451         { "ws_3",               switchws,       {.id = 2} },
4452         { "ws_4",               switchws,       {.id = 3} },
4453         { "ws_5",               switchws,       {.id = 4} },
4454         { "ws_6",               switchws,       {.id = 5} },
4455         { "ws_7",               switchws,       {.id = 6} },
4456         { "ws_8",               switchws,       {.id = 7} },
4457         { "ws_9",               switchws,       {.id = 8} },
4458         { "ws_10",              switchws,       {.id = 9} },
4459         { "ws_11",              switchws,       {.id = 10} },
4460         { "ws_12",              switchws,       {.id = 11} },
4461         { "ws_13",              switchws,       {.id = 12} },
4462         { "ws_14",              switchws,       {.id = 13} },
4463         { "ws_15",              switchws,       {.id = 14} },
4464         { "ws_16",              switchws,       {.id = 15} },
4465         { "ws_17",              switchws,       {.id = 16} },
4466         { "ws_18",              switchws,       {.id = 17} },
4467         { "ws_19",              switchws,       {.id = 18} },
4468         { "ws_20",              switchws,       {.id = 19} },
4469         { "ws_21",              switchws,       {.id = 20} },
4470         { "ws_22",              switchws,       {.id = 21} },
4471         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4472         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4473         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4474         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4475         { "ws_prior",           priorws,        {0} },
4476         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4477         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4478         { "mvws_1",             send_to_ws,     {.id = 0} },
4479         { "mvws_2",             send_to_ws,     {.id = 1} },
4480         { "mvws_3",             send_to_ws,     {.id = 2} },
4481         { "mvws_4",             send_to_ws,     {.id = 3} },
4482         { "mvws_5",             send_to_ws,     {.id = 4} },
4483         { "mvws_6",             send_to_ws,     {.id = 5} },
4484         { "mvws_7",             send_to_ws,     {.id = 6} },
4485         { "mvws_8",             send_to_ws,     {.id = 7} },
4486         { "mvws_9",             send_to_ws,     {.id = 8} },
4487         { "mvws_10",            send_to_ws,     {.id = 9} },
4488         { "mvws_11",            send_to_ws,     {.id = 10} },
4489         { "mvws_12",            send_to_ws,     {.id = 11} },
4490         { "mvws_13",            send_to_ws,     {.id = 12} },
4491         { "mvws_14",            send_to_ws,     {.id = 13} },
4492         { "mvws_15",            send_to_ws,     {.id = 14} },
4493         { "mvws_16",            send_to_ws,     {.id = 15} },
4494         { "mvws_17",            send_to_ws,     {.id = 16} },
4495         { "mvws_18",            send_to_ws,     {.id = 17} },
4496         { "mvws_19",            send_to_ws,     {.id = 18} },
4497         { "mvws_20",            send_to_ws,     {.id = 19} },
4498         { "mvws_21",            send_to_ws,     {.id = 20} },
4499         { "mvws_22",            send_to_ws,     {.id = 21} },
4500         { "bar_toggle",         bar_toggle,     {0} },
4501         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4502         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4503         { "screenshot_all",     legacyfunc,     {0} },
4504         { "screenshot_wind",    legacyfunc,     {0} },
4505         { "float_toggle",       floating_toggle,{0} },
4506         { "version",            version,        {0} },
4507         { "spawn_lock",         legacyfunc,     {0} },
4508         { "spawn_initscr",      legacyfunc,     {0} },
4509         { "spawn_custom",       dummykeyfunc,   {0} },
4510         { "iconify",            iconify,        {0} },
4511         { "uniconify",          uniconify,      {0} },
4512         { "raise_toggle",       raise_toggle,   {0} },
4513         { "button2",            pressbutton,    {2} },
4514         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4515         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4516         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4517         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4518         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4519         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4520         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4521         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4522         { "name_workspace",     name_workspace, {0} },
4523         { "search_workspace",   search_workspace,       {0} },
4524         { "search_win",         search_win,     {0} },
4525         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4526         { "invalid key func",   NULL,           {0} },
4527 };
4528 struct key {
4529         RB_ENTRY(key)           entry;
4530         unsigned int            mod;
4531         KeySym                  keysym;
4532         enum keyfuncid          funcid;
4533         char                    *spawn_name;
4534 };
4535 RB_HEAD(key_list, key);
4536
4537 int
4538 key_cmp(struct key *kp1, struct key *kp2)
4539 {
4540         if (kp1->keysym < kp2->keysym)
4541                 return (-1);
4542         if (kp1->keysym > kp2->keysym)
4543                 return (1);
4544
4545         if (kp1->mod < kp2->mod)
4546                 return (-1);
4547         if (kp1->mod > kp2->mod)
4548                 return (1);
4549
4550         return (0);
4551 }
4552
4553 RB_GENERATE_STATIC(key_list, key, entry, key_cmp);
4554 struct key_list                 keys;
4555
4556 /* mouse */
4557 enum { client_click, root_click };
4558 struct button {
4559         unsigned int            action;
4560         unsigned int            mask;
4561         unsigned int            button;
4562         void                    (*func)(struct ws_win *, union arg *);
4563         union arg               args;
4564 } buttons[] = {
4565           /* action     key             mouse button    func    args */
4566         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4567         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4568         { client_click, MODKEY,         Button1,        move,   {0} },
4569 };
4570
4571 void
4572 update_modkey(unsigned int mod)
4573 {
4574         int                     i;
4575         struct key              *kp;
4576
4577         mod_key = mod;
4578         RB_FOREACH(kp, key_list, &keys)
4579                 if (kp->mod & ShiftMask)
4580                         kp->mod = mod | ShiftMask;
4581                 else
4582                         kp->mod = mod;
4583
4584         for (i = 0; i < LENGTH(buttons); i++)
4585                 if (buttons[i].mask & ShiftMask)
4586                         buttons[i].mask = mod | ShiftMask;
4587                 else
4588                         buttons[i].mask = mod;
4589 }
4590
4591 /* spawn */
4592 struct spawn_prog {
4593         TAILQ_ENTRY(spawn_prog) entry;
4594         char                    *name;
4595         int                     argc;
4596         char                    **argv;
4597 };
4598 TAILQ_HEAD(spawn_list, spawn_prog);
4599 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4600
4601 int
4602 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4603     char ***ret_args)
4604 {
4605         struct spawn_prog       *prog = NULL;
4606         int                     i;
4607         char                    *ap, **real_args;
4608
4609         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4610
4611         /* find program */
4612         TAILQ_FOREACH(prog, &spawns, entry) {
4613                 if (!strcasecmp(spawn_name, prog->name))
4614                         break;
4615         }
4616         if (prog == NULL) {
4617                 warnx("spawn_custom: program %s not found", spawn_name);
4618                 return (-1);
4619         }
4620
4621         /* make room for expanded args */
4622         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4623                 err(1, "spawn_custom: calloc real_args");
4624
4625         /* expand spawn_args into real_args */
4626         for (i = 0; i < prog->argc; i++) {
4627                 ap = prog->argv[i];
4628                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4629                 if (!strcasecmp(ap, "$bar_border")) {
4630                         if ((real_args[i] =
4631                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4632                             == NULL)
4633                                 err(1,  "spawn_custom border color");
4634                 } else if (!strcasecmp(ap, "$bar_color")) {
4635                         if ((real_args[i] =
4636                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4637                             == NULL)
4638                                 err(1, "spawn_custom bar color");
4639                 } else if (!strcasecmp(ap, "$bar_font")) {
4640                         if ((real_args[i] = strdup(bar_fonts))
4641                             == NULL)
4642                                 err(1, "spawn_custom bar fonts");
4643                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4644                         if ((real_args[i] =
4645                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4646                             == NULL)
4647                                 err(1, "spawn_custom color font");
4648                 } else if (!strcasecmp(ap, "$color_focus")) {
4649                         if ((real_args[i] =
4650                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4651                             == NULL)
4652                                 err(1, "spawn_custom color focus");
4653                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4654                         if ((real_args[i] =
4655                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4656                             == NULL)
4657                                 err(1, "spawn_custom color unfocus");
4658                 } else {
4659                         /* no match --> copy as is */
4660                         if ((real_args[i] = strdup(ap)) == NULL)
4661                                 err(1, "spawn_custom strdup(ap)");
4662                 }
4663                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4664                     real_args[i]);
4665         }
4666
4667 #ifdef SWM_DEBUG
4668         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4669         for (i = 0; i < prog->argc; i++)
4670                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4671         DNPRINTF(SWM_D_SPAWN, "\n");
4672 #endif
4673         *ret_args = real_args;
4674         return (prog->argc);
4675 }
4676
4677 void
4678 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4679 {
4680         union arg               a;
4681         char                    **real_args;
4682         int                     spawn_argc, i;
4683
4684         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4685                 return;
4686         a.argv = real_args;
4687         if (fork() == 0)
4688                 spawn(r->ws->idx, &a, 1);
4689
4690         for (i = 0; i < spawn_argc; i++)
4691                 free(real_args[i]);
4692         free(real_args);
4693 }
4694
4695 void
4696 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4697 {
4698         union arg               a;
4699         char                    **real_args;
4700         int                     i, spawn_argc;
4701
4702         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4703                 return;
4704         a.argv = real_args;
4705
4706         if (pipe(select_list_pipe) == -1)
4707                 err(1, "pipe error");
4708         if (pipe(select_resp_pipe) == -1)
4709                 err(1, "pipe error");
4710
4711         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4712                 err(1, "could not disable SIGPIPE");
4713         switch (*pid = fork()) {
4714         case -1:
4715                 err(1, "cannot fork");
4716                 break;
4717         case 0: /* child */
4718                 if (dup2(select_list_pipe[0], 0) == -1)
4719                         err(1, "dup2");
4720                 if (dup2(select_resp_pipe[1], 1) == -1)
4721                         err(1, "dup2");
4722                 close(select_list_pipe[1]);
4723                 close(select_resp_pipe[0]);
4724                 spawn(r->ws->idx, &a, 0);
4725                 break;
4726         default: /* parent */
4727                 close(select_list_pipe[0]);
4728                 close(select_resp_pipe[1]);
4729                 break;
4730         }
4731
4732         for (i = 0; i < spawn_argc; i++)
4733                 free(real_args[i]);
4734         free(real_args);
4735 }
4736
4737 void
4738 spawn_insert(char *name, char *args)
4739 {
4740         char                    *arg, *cp, *ptr;
4741         struct spawn_prog       *sp;
4742
4743         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4744
4745         if ((sp = calloc(1, sizeof *sp)) == NULL)
4746                 err(1, "spawn_insert: malloc");
4747         if ((sp->name = strdup(name)) == NULL)
4748                 err(1, "spawn_insert: strdup");
4749
4750         /* convert the arguments to an argument list */
4751         if ((ptr = cp = strdup(args)) == NULL)
4752                 err(1, "spawn_insert: strdup");
4753         while ((arg = strsep(&ptr, " \t")) != NULL) {
4754                 /* empty field; skip it */
4755                 if (*arg == '\0')
4756                         continue;
4757
4758                 sp->argc++;
4759                 if ((sp->argv = realloc(sp->argv, sp->argc *
4760                     sizeof *sp->argv)) == NULL)
4761                         err(1, "spawn_insert: realloc");
4762                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4763                         err(1, "spawn_insert: strdup");
4764         }
4765         free(cp);
4766
4767         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4768         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4769 }
4770
4771 void
4772 spawn_remove(struct spawn_prog *sp)
4773 {
4774         int                     i;
4775
4776         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4777
4778         TAILQ_REMOVE(&spawns, sp, entry);
4779         for (i = 0; i < sp->argc; i++)
4780                 free(sp->argv[i]);
4781         free(sp->argv);
4782         free(sp->name);
4783         free(sp);
4784
4785         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
4786 }
4787
4788 void
4789 spawn_replace(struct spawn_prog *sp, char *name, char *args)
4790 {
4791         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
4792
4793         spawn_remove(sp);
4794         spawn_insert(name, args);
4795
4796         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
4797 }
4798
4799 void
4800 setspawn(char *name, char *args)
4801 {
4802         struct spawn_prog       *sp;
4803
4804         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
4805
4806         if (name == NULL)
4807                 return;
4808
4809         TAILQ_FOREACH(sp, &spawns, entry) {
4810                 if (!strcmp(sp->name, name)) {
4811                         if (*args == '\0')
4812                                 spawn_remove(sp);
4813                         else
4814                                 spawn_replace(sp, name, args);
4815                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4816                         return;
4817                 }
4818         }
4819         if (*args == '\0') {
4820                 warnx("error: setspawn: cannot find program: %s", name);
4821                 return;
4822         }
4823
4824         spawn_insert(name, args);
4825         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4826 }
4827
4828 int
4829 setconfspawn(char *selector, char *value, int flags)
4830 {
4831         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4832
4833         setspawn(selector, value);
4834
4835         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4836         return (0);
4837 }
4838
4839 void
4840 setup_spawn(void)
4841 {
4842         setconfspawn("term",            "xterm",                0);
4843         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4844         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4845         setconfspawn("lock",            "xlock",                0);
4846         setconfspawn("initscr",         "initscreen.sh",        0);
4847         setconfspawn("menu",            "dmenu_run"
4848                                         " -fn $bar_font"
4849                                         " -nb $bar_color"
4850                                         " -nf $bar_font_color"
4851                                         " -sb $bar_border"
4852                                         " -sf $bar_color",      0);
4853         setconfspawn("search",          "dmenu"
4854                                         " -i"
4855                                         " -fn $bar_font"
4856                                         " -nb $bar_color"
4857                                         " -nf $bar_font_color"
4858                                         " -sb $bar_border"
4859                                         " -sf $bar_color",      0);
4860         setconfspawn("name_workspace",  "dmenu"
4861                                         " -p Workspace"
4862                                         " -fn $bar_font"
4863                                         " -nb $bar_color"
4864                                         " -nf $bar_font_color"
4865                                         " -sb $bar_border"
4866                                         " -sf $bar_color",      0);
4867 }
4868
4869 /* key bindings */
4870 #define SWM_MODNAME_SIZE        32
4871 #define SWM_KEY_WS              "\n+ \t"
4872 int
4873 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4874 {
4875         char                    *cp, *name;
4876         KeySym                  uks;
4877         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4878         if (mod == NULL || ks == NULL) {
4879                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4880                 return (1);
4881         }
4882         if (keystr == NULL || strlen(keystr) == 0) {
4883                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4884                 return (1);
4885         }
4886         cp = keystr;
4887         *ks = NoSymbol;
4888         *mod = 0;
4889         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4890                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4891                 if (cp)
4892                         cp += (long)strspn(cp, SWM_KEY_WS);
4893                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4894                         *mod |= currmod;
4895                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4896                         *mod |= Mod1Mask;
4897                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4898                         *mod += Mod2Mask;
4899                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4900                         *mod |= Mod3Mask;
4901                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4902                         *mod |= Mod4Mask;
4903                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4904                         *mod |= ShiftMask;
4905                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4906                         *mod |= ControlMask;
4907                 else {
4908                         *ks = XStringToKeysym(name);
4909                         XConvertCase(*ks, ks, &uks);
4910                         if (ks == NoSymbol) {
4911                                 DNPRINTF(SWM_D_KEY,
4912                                     "parsekeys: invalid key %s\n",
4913                                     name);
4914                                 return (1);
4915                         }
4916                 }
4917         }
4918         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4919         return (0);
4920 }
4921
4922 char *
4923 strdupsafe(char *str)
4924 {
4925         if (str == NULL)
4926                 return (NULL);
4927         else
4928                 return (strdup(str));
4929 }
4930
4931 void
4932 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
4933 {
4934         struct key              *kp;
4935
4936         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
4937             keyfuncs[kfid].name, spawn_name);
4938
4939         if ((kp = malloc(sizeof *kp)) == NULL)
4940                 err(1, "key_insert: malloc");
4941
4942         kp->mod = mod;
4943         kp->keysym = ks;
4944         kp->funcid = kfid;
4945         kp->spawn_name = strdupsafe(spawn_name);
4946         RB_INSERT(key_list, &keys, kp);
4947
4948         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
4949 }
4950
4951 struct key *
4952 key_lookup(unsigned int mod, KeySym ks)
4953 {
4954         struct key              kp;
4955
4956         kp.keysym = ks;
4957         kp.mod = mod;
4958
4959         return (RB_FIND(key_list, &keys, &kp));
4960 }
4961
4962 void
4963 key_remove(struct key *kp)
4964 {
4965         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
4966
4967         RB_REMOVE(key_list, &keys, kp);
4968         free(kp->spawn_name);
4969         free(kp);
4970
4971         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
4972 }
4973
4974 void
4975 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
4976     char *spawn_name)
4977 {
4978         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
4979             spawn_name);
4980
4981         key_remove(kp);
4982         key_insert(mod, ks, kfid, spawn_name);
4983
4984         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
4985 }
4986
4987 void
4988 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4989     char *spawn_name)
4990 {
4991         struct key              *kp;
4992
4993         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4994             keyfuncs[kfid].name, spawn_name);
4995
4996         if ((kp = key_lookup(mod, ks)) != NULL) {
4997                 if (kfid == kf_invalid)
4998                         key_remove(kp);
4999                 else
5000                         key_replace(kp, mod, ks, kfid, spawn_name);
5001                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5002                 return;
5003         }
5004         if (kfid == kf_invalid) {
5005                 warnx("error: setkeybinding: cannot find mod/key combination");
5006                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5007                 return;
5008         }
5009
5010         key_insert(mod, ks, kfid, spawn_name);
5011         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5012 }
5013
5014 int
5015 setconfbinding(char *selector, char *value, int flags)
5016 {
5017         enum keyfuncid          kfid;
5018         unsigned int            mod;
5019         KeySym                  ks;
5020         struct spawn_prog       *sp;
5021         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5022         if (selector == NULL) {
5023                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5024                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5025                         kfid = kf_invalid;
5026                         setkeybinding(mod, ks, kfid, NULL);
5027                         return (0);
5028                 } else
5029                         return (1);
5030         }
5031         /* search by key function name */
5032         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5033                 if (strncasecmp(selector, keyfuncs[kfid].name,
5034                     SWM_FUNCNAME_LEN) == 0) {
5035                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5036                             selector);
5037                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5038                                 setkeybinding(mod, ks, kfid, NULL);
5039                                 return (0);
5040                         } else
5041                                 return (1);
5042                 }
5043         }
5044         /* search by custom spawn name */
5045         TAILQ_FOREACH(sp, &spawns, entry) {
5046                 if (strcasecmp(selector, sp->name) == 0) {
5047                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5048                             selector);
5049                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5050                                 setkeybinding(mod, ks, kf_spawn_custom,
5051                                     sp->name);
5052                                 return (0);
5053                         } else
5054                                 return (1);
5055                 }
5056         }
5057         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5058         return (1);
5059 }
5060
5061 void
5062 setup_keys(void)
5063 {
5064         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5065         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5066         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5067         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5068         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5069         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5070         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5071         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5072         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5073         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5074         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5075         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5076         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5077         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5078         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
5079         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5080         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5081         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5082         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5083         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5084         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5085         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5086         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5087         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5088         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5089         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5090         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5091         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5092         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5093         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5094         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5095         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5096         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5097         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5098         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5099         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5100         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5101         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5102         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5103         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5104         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5105         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5106         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5107         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5108         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5109         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5110         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5111         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5112         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5113         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5114         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5115         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5116         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5117         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5118         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5119         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5120         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5121         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5122         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5123         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5124         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5125         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5126         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5127         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5128         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5129         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5130         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5131         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5132         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5133         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5134         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5135         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5136         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5137         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5138         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5139         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5140         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5141         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5142         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5143         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5144         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5145         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5146         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5147         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5148         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5149         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5150         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5151         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5152         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5153         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5154         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5155         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5156         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5157         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5158         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5159         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5160 #ifdef SWM_DEBUG
5161         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5162 #endif
5163 }
5164
5165 void
5166 clear_keys(void)
5167 {
5168         struct key              *kp;
5169
5170         while (RB_EMPTY(&keys) == 0) {
5171                 kp = RB_ROOT(&keys);
5172                 key_remove(kp);
5173         }
5174 }
5175
5176 int
5177 setkeymapping(char *selector, char *value, int flags)
5178 {
5179         char                    keymapping_file[PATH_MAX];
5180         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5181         if (value[0] == '~')
5182                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5183                     pwd->pw_dir, &value[1]);
5184         else
5185                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5186         clear_keys();
5187         /* load new key bindings; if it fails, revert to default bindings */
5188         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5189                 clear_keys();
5190                 setup_keys();
5191         }
5192         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5193         return (0);
5194 }
5195
5196 void
5197 updatenumlockmask(void)
5198 {
5199         unsigned int            i, j;
5200         XModifierKeymap         *modmap;
5201
5202         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5203         numlockmask = 0;
5204         modmap = XGetModifierMapping(display);
5205         for (i = 0; i < 8; i++)
5206                 for (j = 0; j < modmap->max_keypermod; j++)
5207                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5208                             == XKeysymToKeycode(display, XK_Num_Lock))
5209                                 numlockmask = (1 << i);
5210
5211         XFreeModifiermap(modmap);
5212 }
5213
5214 void
5215 grabkeys(void)
5216 {
5217         unsigned int            j, k;
5218         KeyCode                 code;
5219         unsigned int            modifiers[] =
5220             { 0, LockMask, numlockmask, numlockmask | LockMask };
5221         struct key              *kp;
5222
5223         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5224         updatenumlockmask();
5225
5226         for (k = 0; k < ScreenCount(display); k++) {
5227                 if (TAILQ_EMPTY(&screens[k].rl))
5228                         continue;
5229                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
5230                 RB_FOREACH(kp, key_list, &keys) {
5231                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5232                                 for (j = 0; j < LENGTH(modifiers); j++)
5233                                         XGrabKey(display, code,
5234                                             kp->mod | modifiers[j],
5235                                             screens[k].root, True,
5236                                             GrabModeAsync, GrabModeAsync);
5237                 }
5238         }
5239 }
5240
5241 void
5242 grabbuttons(struct ws_win *win, int focused)
5243 {
5244         unsigned int            i, j;
5245         unsigned int            modifiers[] =
5246             { 0, LockMask, numlockmask, numlockmask|LockMask };
5247
5248         updatenumlockmask();
5249         XUngrabButton(display, AnyButton, AnyModifier, win->id);
5250         if (focused) {
5251                 for (i = 0; i < LENGTH(buttons); i++)
5252                         if (buttons[i].action == client_click)
5253                                 for (j = 0; j < LENGTH(modifiers); j++)
5254                                         XGrabButton(display, buttons[i].button,
5255                                             buttons[i].mask | modifiers[j],
5256                                             win->id, False, BUTTONMASK,
5257                                             GrabModeAsync, GrabModeSync, None,
5258                                             None);
5259         } else
5260                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
5261                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
5262 }
5263
5264 const char *quirkname[] = {
5265         "NONE",         /* config string for "no value" */
5266         "FLOAT",
5267         "TRANSSZ",
5268         "ANYWHERE",
5269         "XTERM_FONTADJ",
5270         "FULLSCREEN",
5271         "FOCUSPREV",
5272 };
5273
5274 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5275 #define SWM_Q_WS                "\n|+ \t"
5276 int
5277 parsequirks(char *qstr, unsigned long *quirk)
5278 {
5279         char                    *cp, *name;
5280         int                     i;
5281
5282         if (quirk == NULL)
5283                 return (1);
5284
5285         cp = qstr;
5286         *quirk = 0;
5287         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5288                 if (cp)
5289                         cp += (long)strspn(cp, SWM_Q_WS);
5290                 for (i = 0; i < LENGTH(quirkname); i++) {
5291                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5292                                 DNPRINTF(SWM_D_QUIRK,
5293                                     "parsequirks: %s\n", name);
5294                                 if (i == 0) {
5295                                         *quirk = 0;
5296                                         return (0);
5297                                 }
5298                                 *quirk |= 1 << (i-1);
5299                                 break;
5300                         }
5301                 }
5302                 if (i >= LENGTH(quirkname)) {
5303                         DNPRINTF(SWM_D_QUIRK,
5304                             "parsequirks: invalid quirk [%s]\n", name);
5305                         return (1);
5306                 }
5307         }
5308         return (0);
5309 }
5310
5311 void
5312 quirk_insert(const char *class, const char *name, unsigned long quirk)
5313 {
5314         struct quirk            *qp;
5315
5316         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5317             quirk);
5318
5319         if ((qp = malloc(sizeof *qp)) == NULL)
5320                 err(1, "quirk_insert: malloc");
5321         if ((qp->class = strdup(class)) == NULL)
5322                 err(1, "quirk_insert: strdup");
5323         if ((qp->name = strdup(name)) == NULL)
5324                 err(1, "quirk_insert: strdup");
5325
5326         qp->quirk = quirk;
5327         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5328
5329         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5330 }
5331
5332 void
5333 quirk_remove(struct quirk *qp)
5334 {
5335         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5336             qp->name, qp->quirk);
5337
5338         TAILQ_REMOVE(&quirks, qp, entry);
5339         free(qp->class);
5340         free(qp->name);
5341         free(qp);
5342
5343         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5344 }
5345
5346 void
5347 quirk_replace(struct quirk *qp, const char *class, const char *name,
5348     unsigned long quirk)
5349 {
5350         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5351             qp->name, qp->quirk);
5352
5353         quirk_remove(qp);
5354         quirk_insert(class, name, quirk);
5355
5356         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5357 }
5358
5359 void
5360 setquirk(const char *class, const char *name, unsigned long quirk)
5361 {
5362         struct quirk            *qp;
5363
5364         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5365            quirk);
5366
5367         TAILQ_FOREACH(qp, &quirks, entry) {
5368                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5369                         if (!quirk)
5370                                 quirk_remove(qp);
5371                         else
5372                                 quirk_replace(qp, class, name, quirk);
5373                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5374                         return;
5375                 }
5376         }
5377         if (!quirk) {
5378                 warnx("error: setquirk: cannot find class/name combination");
5379                 return;
5380         }
5381
5382         quirk_insert(class, name, quirk);
5383         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5384 }
5385
5386 int
5387 setconfquirk(char *selector, char *value, int flags)
5388 {
5389         char                    *cp, *class, *name;
5390         int                     retval;
5391         unsigned long           quirks;
5392         if (selector == NULL)
5393                 return (0);
5394         if ((cp = strchr(selector, ':')) == NULL)
5395                 return (0);
5396         *cp = '\0';
5397         class = selector;
5398         name = cp + 1;
5399         if ((retval = parsequirks(value, &quirks)) == 0)
5400                 setquirk(class, name, quirks);
5401         return (retval);
5402 }
5403
5404 void
5405 setup_quirks(void)
5406 {
5407         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5408         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5409         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5410         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5411         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5412         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5413         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5414         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5415         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5416         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5417         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5418         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5419         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5420 }
5421
5422 /* conf file stuff */
5423 #define SWM_CONF_FILE           "spectrwm.conf"
5424 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5425
5426 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
5427           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
5428           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_WORKSPACE_LIMIT,
5429           SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
5430           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED,
5431           SWM_S_URGENT_ENABLED, SWM_S_FOCUS_MODE, SWM_S_FOCUS_CLOSE,
5432           SWM_S_FOCUS_CLOSE_WRAP, SWM_S_FOCUS_DEFAULT, SWM_S_SPAWN_ORDER,
5433           SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH, SWM_S_BAR_FONT,
5434           SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO,
5435           SWM_S_BAR_AT_BOTTOM, SWM_S_VERBOSE_LAYOUT, SWM_S_BAR_JUSTIFY,
5436           SWM_S_BAR_FORMAT
5437         };
5438
5439 int
5440 setconfvalue(char *selector, char *value, int flags)
5441 {
5442         int     i;
5443         char    *b;
5444
5445         switch (flags) {
5446         case SWM_S_BAR_DELAY:
5447                 bar_delay = atoi(value);
5448                 break;
5449         case SWM_S_BAR_ENABLED:
5450                 bar_enabled = atoi(value);
5451                 break;
5452         case SWM_S_BAR_BORDER_WIDTH:
5453                 bar_border_width = atoi(value);
5454                 break;
5455         case SWM_S_BAR_AT_BOTTOM:
5456                 bar_at_bottom = atoi(value);
5457                 break;
5458         case SWM_S_BAR_JUSTIFY:
5459                 if (!strcmp(value, "left"))
5460                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5461                 else if (!strcmp(value, "center"))
5462                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5463                 else if (!strcmp(value, "right"))
5464                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5465                 else
5466                         errx(1, "invalid bar_justify");
5467                 break;
5468         case SWM_S_BAR_FORMAT:
5469                 free(bar_format);
5470                 if ((bar_format = strdup(value)) == NULL)
5471                         err(1, "setconfvalue: bar_format");
5472                 break;
5473         case SWM_S_STACK_ENABLED:
5474                 stack_enabled = atoi(value);
5475                 break;
5476         case SWM_S_CLOCK_ENABLED:
5477                 clock_enabled = atoi(value);
5478                 break;
5479         case SWM_S_CLOCK_FORMAT:
5480 #ifndef SWM_DENY_CLOCK_FORMAT
5481                 free(clock_format);
5482                 if ((clock_format = strdup(value)) == NULL)
5483                         err(1, "setconfvalue: clock_format");
5484 #endif
5485                 break;
5486         case SWM_S_CYCLE_EMPTY:
5487                 cycle_empty = atoi(value);
5488                 break;
5489         case SWM_S_CYCLE_VISIBLE:
5490                 cycle_visible = atoi(value);
5491                 break;
5492         case SWM_S_WORKSPACE_LIMIT:
5493                 workspace_limit = atoi(value);
5494                 if (workspace_limit > SWM_WS_MAX)
5495                         workspace_limit = SWM_WS_MAX;
5496                 else if (workspace_limit < 1)
5497                         workspace_limit = 1;
5498                 break;
5499         case SWM_S_SS_ENABLED:
5500                 ss_enabled = atoi(value);
5501                 break;
5502         case SWM_S_TERM_WIDTH:
5503                 term_width = atoi(value);
5504                 break;
5505         case SWM_S_TITLE_CLASS_ENABLED:
5506                 title_class_enabled = atoi(value);
5507                 break;
5508         case SWM_S_WINDOW_NAME_ENABLED:
5509                 window_name_enabled = atoi(value);
5510                 break;
5511         case SWM_S_TITLE_NAME_ENABLED:
5512                 title_name_enabled = atoi(value);
5513                 break;
5514         case SWM_S_URGENT_ENABLED:
5515                 urgent_enabled = atoi(value);
5516                 break;
5517         case SWM_S_FOCUS_MODE:
5518                 if (!strcmp(value, "default"))
5519                         focus_mode = SWM_FOCUS_DEFAULT;
5520                 else if (!strcmp(value, "follow_cursor"))
5521                         focus_mode = SWM_FOCUS_FOLLOW;
5522                 else if (!strcmp(value, "synergy"))
5523                         focus_mode = SWM_FOCUS_SYNERGY;
5524                 else
5525                         errx(1, "focus_mode");
5526                 break;
5527         case SWM_S_FOCUS_CLOSE:
5528                 if (!strcmp(value, "first"))
5529                         focus_close = SWM_STACK_BOTTOM;
5530                 else if (!strcmp(value, "last"))
5531                         focus_close = SWM_STACK_TOP;
5532                 else if (!strcmp(value, "next"))
5533                         focus_close = SWM_STACK_ABOVE;
5534                 else if (!strcmp(value, "previous"))
5535                         focus_close = SWM_STACK_BELOW;
5536                 else
5537                         errx(1, "focus_close");
5538                 break;
5539         case SWM_S_FOCUS_CLOSE_WRAP:
5540                 focus_close_wrap = atoi(value);
5541                 break;
5542         case SWM_S_FOCUS_DEFAULT:
5543                 if (!strcmp(value, "last"))
5544                         focus_default = SWM_STACK_TOP;
5545                 else if (!strcmp(value, "first"))
5546                         focus_default = SWM_STACK_BOTTOM;
5547                 else
5548                         errx(1, "focus_default");
5549                 break;
5550         case SWM_S_SPAWN_ORDER:
5551                 if (!strcmp(value, "first"))
5552                         spawn_position = SWM_STACK_BOTTOM;
5553                 else if (!strcmp(value, "last"))
5554                         spawn_position = SWM_STACK_TOP;
5555                 else if (!strcmp(value, "next"))
5556                         spawn_position = SWM_STACK_ABOVE;
5557                 else if (!strcmp(value, "previous"))
5558                         spawn_position = SWM_STACK_BELOW;
5559                 else
5560                         errx(1, "spawn_position");
5561                 break;
5562         case SWM_S_DISABLE_BORDER:
5563                 disable_border = atoi(value);
5564                 break;
5565         case SWM_S_BORDER_WIDTH:
5566                 border_width = atoi(value);
5567                 break;
5568         case SWM_S_BAR_FONT:
5569                 b = bar_fonts;
5570                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5571                         err(1, "setconfvalue: asprintf: failed to allocate "
5572                                 "memory for bar_fonts.");
5573
5574                 free(b);
5575                 break;
5576         case SWM_S_BAR_ACTION:
5577                 free(bar_argv[0]);
5578                 if ((bar_argv[0] = strdup(value)) == NULL)
5579                         err(1, "setconfvalue: bar_action");
5580                 break;
5581         case SWM_S_SPAWN_TERM:
5582                 free(spawn_term[0]);
5583                 if ((spawn_term[0] = strdup(value)) == NULL)
5584                         err(1, "setconfvalue: spawn_term");
5585                 break;
5586         case SWM_S_SS_APP:
5587                 break;
5588         case SWM_S_DIALOG_RATIO:
5589                 dialog_ratio = atof(value);
5590                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5591                         dialog_ratio = .6;
5592                 break;
5593         case SWM_S_VERBOSE_LAYOUT:
5594                 verbose_layout = atoi(value);
5595                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5596                         if (verbose_layout)
5597                                 layouts[i].l_string = fancy_stacker;
5598                         else
5599                                 layouts[i].l_string = plain_stacker;
5600                 }
5601                 break;
5602         default:
5603                 return (1);
5604         }
5605         return (0);
5606 }
5607
5608 int
5609 setconfmodkey(char *selector, char *value, int flags)
5610 {
5611         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5612                 update_modkey(Mod1Mask);
5613         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5614                 update_modkey(Mod2Mask);
5615         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5616                 update_modkey(Mod3Mask);
5617         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5618                 update_modkey(Mod4Mask);
5619         else
5620                 return (1);
5621         return (0);
5622 }
5623
5624 int
5625 setconfcolor(char *selector, char *value, int flags)
5626 {
5627         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5628         return (0);
5629 }
5630
5631 int
5632 setconfregion(char *selector, char *value, int flags)
5633 {
5634         custom_region(value);
5635         return (0);
5636 }
5637
5638 int
5639 setautorun(char *selector, char *value, int flags)
5640 {
5641         int                     ws_id;
5642         char                    s[1024];
5643         char                    *ap, *sp = s;
5644         union arg               a;
5645         int                     argc = 0;
5646         long                    pid;
5647         struct pid_e            *p;
5648
5649         if (getenv("SWM_STARTED"))
5650                 return (0);
5651
5652         bzero(s, sizeof s);
5653         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5654                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5655         ws_id--;
5656         if (ws_id < 0 || ws_id >= workspace_limit)
5657                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5658
5659         /*
5660          * This is a little intricate
5661          *
5662          * If the pid already exists we simply reuse it because it means it was
5663          * used before AND not claimed by manage_window.  We get away with
5664          * altering it in the parent after INSERT because this can not be a race
5665          */
5666         a.argv = NULL;
5667         while ((ap = strsep(&sp, " \t")) != NULL) {
5668                 if (*ap == '\0')
5669                         continue;
5670                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5671                 argc++;
5672                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5673                         err(1, "setautorun: realloc");
5674                 a.argv[argc - 1] = ap;
5675         }
5676
5677         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5678                 err(1, "setautorun: realloc");
5679         a.argv[argc] = NULL;
5680
5681         if ((pid = fork()) == 0) {
5682                 spawn(ws_id, &a, 1);
5683                 /* NOTREACHED */
5684                 _exit(1);
5685         }
5686         free(a.argv);
5687
5688         /* parent */
5689         p = find_pid(pid);
5690         if (p == NULL) {
5691                 p = calloc(1, sizeof *p);
5692                 if (p == NULL)
5693                         return (1);
5694                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5695         }
5696
5697         p->pid = pid;
5698         p->ws = ws_id;
5699
5700         return (0);
5701 }
5702
5703 int
5704 setlayout(char *selector, char *value, int flags)
5705 {
5706         int                     ws_id, i, x, mg, ma, si, raise;
5707         int                     st = SWM_V_STACK;
5708         char                    s[1024];
5709         struct workspace        *ws;
5710
5711         if (getenv("SWM_STARTED"))
5712                 return (0);
5713
5714         bzero(s, sizeof s);
5715         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5716             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5717                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5718                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5719                     "<type>'");
5720         ws_id--;
5721         if (ws_id < 0 || ws_id >= workspace_limit)
5722                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5723
5724         if (!strcasecmp(s, "vertical"))
5725                 st = SWM_V_STACK;
5726         else if (!strcasecmp(s, "horizontal"))
5727                 st = SWM_H_STACK;
5728         else if (!strcasecmp(s, "fullscreen"))
5729                 st = SWM_MAX_STACK;
5730         else
5731                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5732                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5733                     "<type>'");
5734
5735         for (i = 0; i < ScreenCount(display); i++) {
5736                 ws = (struct workspace *)&screens[i].ws;
5737                 ws[ws_id].cur_layout = &layouts[st];
5738
5739                 ws[ws_id].always_raise = raise;
5740                 if (st == SWM_MAX_STACK)
5741                         continue;
5742
5743                 /* master grow */
5744                 for (x = 0; x < abs(mg); x++) {
5745                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5746                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5747                             SWM_ARG_ID_MASTERSHRINK);
5748                         stack();
5749                 }
5750                 /* master add */
5751                 for (x = 0; x < abs(ma); x++) {
5752                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5753                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5754                             SWM_ARG_ID_MASTERDEL);
5755                         stack();
5756                 }
5757                 /* stack inc */
5758                 for (x = 0; x < abs(si); x++) {
5759                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5760                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5761                             SWM_ARG_ID_STACKDEC);
5762                         stack();
5763                 }
5764         }
5765
5766         return (0);
5767 }
5768
5769 /* config options */
5770 struct config_option {
5771         char                    *optname;
5772         int                     (*func)(char*, char*, int);
5773         int                     funcflags;
5774 };
5775 struct config_option configopt[] = {
5776         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5777         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5778         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5779         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5780         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5781         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5782         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5783         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5784         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5785         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5786         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
5787         { "keyboard_mapping",           setkeymapping,  0 },
5788         { "bind",                       setconfbinding, 0 },
5789         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5790         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5791         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5792         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5793         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5794         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5795         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5796         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
5797         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5798         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5799         { "modkey",                     setconfmodkey,  0 },
5800         { "program",                    setconfspawn,   0 },
5801         { "quirk",                      setconfquirk,   0 },
5802         { "region",                     setconfregion,  0 },
5803         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5804         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5805         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5806         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5807         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5808         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5809         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5810         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5811         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5812         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
5813         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
5814         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
5815         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
5816         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5817         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5818         { "autorun",                    setautorun,     0 },
5819         { "layout",                     setlayout,      0 },
5820 };
5821
5822
5823 int
5824 conf_load(char *filename, int keymapping)
5825 {
5826         FILE                    *config;
5827         char                    *line, *cp, *optsub, *optval;
5828         size_t                  linelen, lineno = 0;
5829         int                     wordlen, i, optind;
5830         struct config_option    *opt;
5831
5832         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
5833
5834         if (filename == NULL) {
5835                 warnx("conf_load: no filename");
5836                 return (1);
5837         }
5838         if ((config = fopen(filename, "r")) == NULL) {
5839                 warn("conf_load: fopen: %s", filename);
5840                 return (1);
5841         }
5842
5843         while (!feof(config)) {
5844                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5845                     == NULL) {
5846                         if (ferror(config))
5847                                 err(1, "%s", filename);
5848                         else
5849                                 continue;
5850                 }
5851                 cp = line;
5852                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5853                 if (cp[0] == '\0') {
5854                         /* empty line */
5855                         free(line);
5856                         continue;
5857                 }
5858                 /* get config option */
5859                 wordlen = strcspn(cp, "=[ \t\n");
5860                 if (wordlen == 0) {
5861                         warnx("%s: line %zd: no option found",
5862                             filename, lineno);
5863                         goto out;
5864                 }
5865                 optind = -1;
5866                 for (i = 0; i < LENGTH(configopt); i++) {
5867                         opt = &configopt[i];
5868                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5869                             strlen(opt->optname) == wordlen) {
5870                                 optind = i;
5871                                 break;
5872                         }
5873                 }
5874                 if (optind == -1) {
5875                         warnx("%s: line %zd: unknown option %.*s",
5876                             filename, lineno, wordlen, cp);
5877                         goto out;
5878                 }
5879                 if (keymapping && strcmp(opt->optname, "bind")) {
5880                         warnx("%s: line %zd: invalid option %.*s",
5881                             filename, lineno, wordlen, cp);
5882                         goto out;
5883                 }
5884                 cp += wordlen;
5885                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5886                 /* get [selector] if any */
5887                 optsub = NULL;
5888                 if (*cp == '[') {
5889                         cp++;
5890                         wordlen = strcspn(cp, "]");
5891                         if (*cp != ']') {
5892                                 if (wordlen == 0) {
5893                                         warnx("%s: line %zd: syntax error",
5894                                             filename, lineno);
5895                                         goto out;
5896                                 }
5897
5898                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
5899                                     -1) {
5900                                         warnx("%s: line %zd: unable to allocate"
5901                                             "memory for selector", filename,
5902                                             lineno);
5903                                         goto out;
5904                                 }
5905                         }
5906                         cp += wordlen;
5907                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5908                 }
5909                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5910                 /* get RHS value */
5911                 optval = strdup(cp);
5912                 /* call function to deal with it all */
5913                 if (configopt[optind].func(optsub, optval,
5914                     configopt[optind].funcflags) != 0)
5915                         errx(1, "%s: line %zd: invalid data for %s",
5916                             filename, lineno, configopt[optind].optname);
5917                 free(optval);
5918                 free(optsub);
5919                 free(line);
5920         }
5921
5922         fclose(config);
5923         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
5924
5925         return (0);
5926
5927 out:
5928         free(line);
5929         fclose(config);
5930         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
5931
5932         return (1);
5933 }
5934
5935 void
5936 set_child_transient(struct ws_win *win, Window *trans)
5937 {
5938         struct ws_win           *parent, *w;
5939         XWMHints                *wmh = NULL;
5940         struct swm_region       *r;
5941         struct workspace        *ws;
5942
5943         parent = find_window(win->transient);
5944         if (parent)
5945                 parent->child_trans = win;
5946         else {
5947                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5948                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
5949
5950                 if (win->hints == NULL) {
5951                         warnx("no hints for 0x%lx", win->id);
5952                         return;
5953                 }
5954
5955                 r = root_to_region(win->wa.root);
5956                 ws = r->ws;
5957                 /* parent doen't exist in our window list */
5958                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5959                         if (wmh)
5960                                 XFree(wmh);
5961
5962                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5963                                 warnx("can't get hints for 0x%lx", w->id);
5964                                 continue;
5965                         }
5966
5967                         if (win->hints->window_group != wmh->window_group)
5968                                 continue;
5969
5970                         w->child_trans = win;
5971                         win->transient = w->id;
5972                         *trans = w->id;
5973                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5974                             "transient to 0x%lx\n", win->transient);
5975                         break;
5976                 }
5977         }
5978
5979         if (wmh)
5980                 XFree(wmh);
5981 }
5982
5983 long
5984 window_get_pid(Window win)
5985 {
5986         Atom                    actual_type_return;
5987         int                     actual_format_return = 0;
5988         unsigned long           nitems_return = 0;
5989         unsigned long           bytes_after_return = 0;
5990         long                    *pid = NULL;
5991         long                    ret = 0;
5992         const char              *errstr;
5993         unsigned char           *prop = NULL;
5994
5995         if (XGetWindowProperty(display, win,
5996             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5997             XA_CARDINAL, &actual_type_return, &actual_format_return,
5998             &nitems_return, &bytes_after_return,
5999             (unsigned char**)(void*)&pid) != Success)
6000                 goto tryharder;
6001         if (actual_type_return != XA_CARDINAL)
6002                 goto tryharder;
6003         if (pid == NULL)
6004                 goto tryharder;
6005
6006         ret = *pid;
6007         XFree(pid);
6008
6009         return (ret);
6010
6011 tryharder:
6012         if (XGetWindowProperty(display, win,
6013             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
6014             XA_STRING, &actual_type_return, &actual_format_return,
6015             &nitems_return, &bytes_after_return, &prop) != Success)
6016                 return (0);
6017         if (actual_type_return != XA_STRING)
6018                 return (0);
6019         if (prop == NULL)
6020                 return (0);
6021
6022         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
6023         /* ignore error because strtonum returns 0 anyway */
6024         XFree(prop);
6025
6026         return (ret);
6027 }
6028
6029 struct ws_win *
6030 manage_window(Window id)
6031 {
6032         Window                  trans = 0;
6033         struct workspace        *ws;
6034         struct ws_win           *win, *ww;
6035         int                     format, i, ws_idx, n, border_me = 0;
6036         unsigned long           nitems, bytes;
6037         Atom                    ws_idx_atom = 0, type;
6038         Atom                    *prot = NULL, *pp;
6039         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6040         struct swm_region       *r;
6041         long                    mask = 0;
6042         const char              *errstr;
6043         XWindowChanges          wc;
6044         struct pid_e            *p;
6045         struct quirk            *qp;
6046
6047         if ((win = find_window(id)) != NULL)
6048                 return (win);   /* already being managed */
6049
6050         /* see if we are on the unmanaged list */
6051         if ((win = find_unmanaged_window(id)) != NULL) {
6052                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6053                     "window: 0x%lx\n", win->id);
6054                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6055                 if (win->transient)
6056                         set_child_transient(win, &trans);
6057
6058                 if (trans && (ww = find_window(trans)))
6059                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6060                 else if ((ww = win->ws->focus) &&
6061                     spawn_position == SWM_STACK_ABOVE)
6062                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win, entry);
6063                 else if (ww && spawn_position == SWM_STACK_BELOW)
6064                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win, entry);
6065                 else switch (spawn_position) {
6066                 default:
6067                 case SWM_STACK_TOP:
6068                 case SWM_STACK_ABOVE:
6069                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6070                         break;
6071                 case SWM_STACK_BOTTOM:
6072                 case SWM_STACK_BELOW:
6073                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6074                 }
6075
6076                 ewmh_update_actions(win);
6077                 return (win);
6078         }
6079
6080         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6081                 err(1, "manage_window: calloc: failed to allocate memory for "
6082                     "new window");
6083
6084         win->id = id;
6085
6086         /* see if we need to override the workspace */
6087         p = find_pid(window_get_pid(id));
6088
6089         /* Get all the window data in one shot */
6090         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6091         if (ws_idx_atom) {
6092                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6093                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6094         }
6095         XGetWindowAttributes(display, id, &win->wa);
6096         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6097         win->hints = XGetWMHints(display, id);
6098         XGetTransientForHint(display, id, &trans);
6099         if (trans) {
6100                 win->transient = trans;
6101                 set_child_transient(win, &trans);
6102                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
6103                     "transient: 0x%lx\n", win->id, win->transient);
6104         }
6105
6106         /* get supported protocols */
6107         if (XGetWMProtocols(display, id, &prot, &n)) {
6108                 for (i = 0, pp = prot; i < n; i++, pp++) {
6109                         if (*pp == takefocus)
6110                                 win->take_focus = 1;
6111                         if (*pp == adelete)
6112                                 win->can_delete = 1;
6113                 }
6114                 if (prot)
6115                         XFree(prot);
6116         }
6117
6118         win->iconic = get_iconic(win);
6119
6120         /*
6121          * Figure out where to put the window. If it was previously assigned to
6122          * a workspace (either by spawn() or manually moving), and isn't
6123          * transient, * put it in the same workspace
6124          */
6125         r = root_to_region(win->wa.root);
6126         if (p) {
6127                 ws = &r->s->ws[p->ws];
6128                 TAILQ_REMOVE(&pidlist, p, entry);
6129                 free(p);
6130                 p = NULL;
6131         } else if (prop && win->transient == 0) {
6132                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6133                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6134                     &errstr);
6135                 if (errstr) {
6136                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6137                             errstr, prop);
6138                 }
6139                 ws = &r->s->ws[ws_idx];
6140         } else {
6141                 ws = r->ws;
6142                 /* this should launch transients in the same ws as parent */
6143                 if (id && trans)
6144                         if ((ww = find_window(trans)) != NULL)
6145                                 if (ws->r) {
6146                                         ws = ww->ws;
6147                                         if (ww->ws->r)
6148                                                 r = ww->ws->r;
6149                                         else
6150                                                 warnx("manage_window: fix this "
6151                                                     "bug mcbride");
6152                                         border_me = 1;
6153                                 }
6154         }
6155
6156         /* set up the window layout */
6157         win->id = id;
6158         win->ws = ws;
6159         win->s = r->s;  /* this never changes */
6160         if (trans && (ww = find_window(trans)))
6161                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6162         else if (spawn_position == SWM_STACK_ABOVE && win->ws->focus)
6163                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win, entry);
6164         else
6165                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
6166
6167         WIDTH(win) = win->wa.width;
6168         HEIGHT(win) = win->wa.height;
6169         X(win) = win->wa.x;
6170         Y(win) = win->wa.y;
6171         win->g_floatvalid = 0;
6172         win->floatmaxed = 0;
6173         win->ewmh_flags = 0;
6174
6175         /* Set window properties so we can remember this after reincarnation */
6176         if (ws_idx_atom && prop == NULL &&
6177             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6178                 SWM_PROPLEN) {
6179                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6180                     ws_idx_str);
6181                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6182                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6183         }
6184         if (prop)
6185                 XFree(prop);
6186
6187         ewmh_autoquirk(win);
6188
6189         if (XGetClassHint(display, win->id, &win->ch)) {
6190                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6191                     win->ch.res_class, win->ch.res_name);
6192
6193                 /* java is retarded so treat it special */
6194                 if (strstr(win->ch.res_name, "sun-awt")) {
6195                         win->java = 1;
6196                         border_me = 1;
6197                 }
6198
6199                 TAILQ_FOREACH(qp, &quirks, entry) {
6200                         if (!strcmp(win->ch.res_class, qp->class) &&
6201                             !strcmp(win->ch.res_name, qp->name)) {
6202                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6203                                     "class: %s, name: %s\n", win->ch.res_class,
6204                                     win->ch.res_name);
6205                                 if (qp->quirk & SWM_Q_FLOAT) {
6206                                         win->floating = 1;
6207                                         border_me = 1;
6208                                 }
6209                                 win->quirks = qp->quirk;
6210                         }
6211                 }
6212         }
6213
6214         /* alter window position if quirky */
6215         if (win->quirks & SWM_Q_ANYWHERE) {
6216                 win->manual = 1; /* don't center the quirky windows */
6217                 bzero(&wc, sizeof wc);
6218                 mask = 0;
6219                 if (bar_enabled && Y(win) < bar_height) {
6220                         Y(win) = wc.y = bar_height;
6221                         mask |= CWY;
6222                 }
6223                 if (WIDTH(win) + X(win) > WIDTH(r)) {
6224                         X(win) = wc.x = WIDTH(r) - WIDTH(win) - 2;
6225                         mask |= CWX;
6226                 }
6227                 border_me = 1;
6228         }
6229
6230         /* Reset font sizes (the bruteforce way; no default keybinding). */
6231         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6232                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6233                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6234                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6235                         fake_keypress(win, XK_KP_Add, ShiftMask);
6236         }
6237
6238         ewmh_get_win_state(win);
6239         ewmh_update_actions(win);
6240         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6241
6242         /* border me */
6243         if (border_me) {
6244                 bzero(&wc, sizeof wc);
6245                 wc.border_width = border_width;
6246                 mask |= CWBorderWidth;
6247                 XConfigureWindow(display, win->id, mask, &wc);
6248         }
6249
6250         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
6251             PropertyChangeMask | StructureNotifyMask);
6252
6253         /* floaters need to be mapped if they are in the current workspace */
6254         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6255                 XMapRaised(display, win->id);
6256
6257         return (win);
6258 }
6259
6260 void
6261 free_window(struct ws_win *win)
6262 {
6263         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
6264
6265         if (win == NULL)
6266                 return;
6267
6268         /* needed for restart wm */
6269         set_win_state(win, WithdrawnState);
6270
6271         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6272
6273         if (win->ch.res_class)
6274                 XFree(win->ch.res_class);
6275         if (win->ch.res_name)
6276                 XFree(win->ch.res_name);
6277
6278         kill_refs(win);
6279
6280         /* paint memory */
6281         memset(win, 0xff, sizeof *win); /* XXX kill later */
6282
6283         free(win);
6284 }
6285
6286 void
6287 unmanage_window(struct ws_win *win)
6288 {
6289         struct ws_win           *parent;
6290
6291         if (win == NULL)
6292                 return;
6293
6294         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
6295
6296         if (win->transient) {
6297                 parent = find_window(win->transient);
6298                 if (parent)
6299                         parent->child_trans = NULL;
6300         }
6301
6302         /* focus on root just in case */
6303         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
6304
6305         focus_prev(win);
6306
6307         if (win->hints) {
6308                 XFree(win->hints);
6309                 win->hints = NULL;
6310         }
6311
6312         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6313         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6314 }
6315
6316 void
6317 focus_magic(struct ws_win *win)
6318 {
6319         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6320
6321         if (win == NULL) {
6322                 /* if there are no windows clear the status-bar */
6323                 bar_update();
6324                 return;
6325         }
6326
6327         if (win->child_trans) {
6328                 /* win = parent & has a transient so focus on that */
6329                 if (win->java) {
6330                         focus_win(win->child_trans);
6331                         if (win->child_trans->take_focus)
6332                                 client_msg(win, takefocus);
6333                 } else {
6334                         /* make sure transient hasn't disappeared */
6335                         if (validate_win(win->child_trans) == 0) {
6336                                 focus_win(win->child_trans);
6337                                 if (win->child_trans->take_focus)
6338                                         client_msg(win->child_trans, takefocus);
6339                         } else {
6340                                 win->child_trans = NULL;
6341                                 focus_win(win);
6342                                 if (win->take_focus)
6343                                         client_msg(win, takefocus);
6344                         }
6345                 }
6346         } else {
6347                 /* regular focus */
6348                 focus_win(win);
6349                 if (win->take_focus)
6350                         client_msg(win, takefocus);
6351         }
6352 }
6353
6354 void
6355 expose(XEvent *e)
6356 {
6357         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6358 }
6359
6360 void
6361 keypress(XEvent *e)
6362 {
6363         KeySym                  keysym;
6364         XKeyEvent               *ev = &e->xkey;
6365         struct key              *kp;
6366         struct swm_region       *r;
6367
6368         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6369         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6370                 return;
6371         if (keyfuncs[kp->funcid].func == NULL)
6372                 return;
6373
6374         r = root_to_region(ev->root);
6375         if (kp->funcid == kf_spawn_custom)
6376                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6377         else
6378                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6379 }
6380
6381 void
6382 buttonpress(XEvent *e)
6383 {
6384         struct ws_win           *win;
6385         int                     i, action;
6386         XButtonPressedEvent     *ev = &e->xbutton;
6387
6388         if ((win = find_window(ev->window)) == NULL)
6389                 return;
6390
6391         focus_magic(win);
6392         action = client_click;
6393
6394         for (i = 0; i < LENGTH(buttons); i++)
6395                 if (action == buttons[i].action && buttons[i].func &&
6396                     buttons[i].button == ev->button &&
6397                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6398                         buttons[i].func(win, &buttons[i].args);
6399 }
6400
6401 void
6402 configurerequest(XEvent *e)
6403 {
6404         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6405         struct ws_win           *win;
6406         int                     new = 0;
6407         XWindowChanges          wc;
6408
6409         if ((win = find_window(ev->window)) == NULL)
6410                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6411                         new = 1;
6412
6413         DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%lx, new: %s\n",
6414             ev->window, YESNO(new));
6415
6416         if (new) {
6417                 bzero(&wc, sizeof wc);
6418                 wc.x = ev->x;
6419                 wc.y = ev->y;
6420                 wc.width = ev->width;
6421                 wc.height = ev->height;
6422                 wc.border_width = ev->border_width;
6423                 wc.sibling = ev->above;
6424                 wc.stack_mode = ev->detail;
6425                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6426         } else
6427                 config_win(win, ev);
6428 }
6429
6430 void
6431 configurenotify(XEvent *e)
6432 {
6433         struct ws_win           *win;
6434
6435         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6436             e->xconfigure.window);
6437
6438         win = find_window(e->xconfigure.window);
6439         if (win) {
6440                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6441                 adjust_font(win);
6442                 if (font_adjusted)
6443                         stack();
6444                 if (focus_mode == SWM_FOCUS_DEFAULT)
6445                         drain_enter_notify();
6446         }
6447 }
6448
6449 void
6450 destroynotify(XEvent *e)
6451 {
6452         struct ws_win           *win;
6453         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6454
6455         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6456
6457         if ((win = find_window(ev->window)) == NULL) {
6458                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6459                         return;
6460                 free_window(win);
6461                 return;
6462         }
6463
6464         /* make sure we focus on something */
6465         win->floating = 0;
6466
6467         unmanage_window(win);
6468         stack();
6469         if (focus_mode == SWM_FOCUS_DEFAULT)
6470                 drain_enter_notify();
6471         free_window(win);
6472 }
6473
6474 void
6475 enternotify(XEvent *e)
6476 {
6477         XCrossingEvent          *ev = &e->xcrossing;
6478         XEvent                  cne;
6479         struct ws_win           *win;
6480 #if 0
6481         struct ws_win           *w;
6482         Window                  focus_return;
6483         int                     revert_to_return;
6484 #endif
6485         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6486             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6487             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6488             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6489
6490         if (ev->mode != NotifyNormal) {
6491                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6492                     "cursor grab.\n");
6493                 return;
6494         }
6495
6496         switch (focus_mode) {
6497         case SWM_FOCUS_DEFAULT:
6498                 break;
6499         case SWM_FOCUS_FOLLOW:
6500                 break;
6501         case SWM_FOCUS_SYNERGY:
6502 #if 0
6503         /*
6504          * all these checks need to be in this order because the
6505          * XCheckTypedWindowEvent relies on weeding out the previous events
6506          *
6507          * making this code an option would enable a follow mouse for focus
6508          * feature
6509          */
6510
6511         /*
6512          * state is set when we are switching workspaces and focus is set when
6513          * the window or a subwindow already has focus (occurs during restart).
6514          *
6515          * Only honor the focus flag if last_focus_event is not FocusOut,
6516          * this allows spectrwm to continue to control focus when another
6517          * program is also playing with it.
6518          */
6519         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6520                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6521                 return;
6522         }
6523
6524         /*
6525          * happens when a window is created or destroyed and the border
6526          * crosses the mouse pointer and when switching ws
6527          *
6528          * we need the subwindow test to see if we came from root in order
6529          * to give focus to floaters
6530          */
6531         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6532             ev->subwindow == 0) {
6533                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6534                 return;
6535         }
6536
6537         /* this window already has focus */
6538         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6539                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6540                 return;
6541         }
6542
6543         /* this window is being deleted or moved to another ws */
6544         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6545             &cne) == True) {
6546                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6547                 XPutBackEvent(display, &cne);
6548                 return;
6549         }
6550
6551         if ((win = find_window(ev->window)) == NULL) {
6552                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6553                 return;
6554         }
6555
6556         /*
6557          * In fullstack kill all enters unless they come from a different ws
6558          * (i.e. another region) or focus has been grabbed externally.
6559          */
6560         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6561             last_focus_event != FocusOut) {
6562                 XGetInputFocus(display, &focus_return, &revert_to_return);
6563                 if ((w = find_window(focus_return)) == NULL ||
6564                     w->ws == win->ws) {
6565                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6566                         return;
6567                 }
6568         }
6569 #endif
6570                 break;
6571         }
6572
6573         if ((win = find_window(ev->window)) == NULL) {
6574                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6575                 return;
6576         }
6577
6578         /*
6579          * if we have more enternotifies let them handle it in due time
6580          */
6581         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6582                 DNPRINTF(SWM_D_EVENT,
6583                     "ignoring enternotify: got more enternotify\n");
6584                 XPutBackEvent(display, &cne);
6585                 return;
6586         }
6587
6588         focus_magic(win);
6589 }
6590
6591 /* lets us use one switch statement for arbitrary mode/detail combinations */
6592 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6593
6594 void
6595 focusevent(XEvent *e)
6596 {
6597 #if 0
6598         struct ws_win           *win;
6599         u_int32_t               mode_detail;
6600         XFocusChangeEvent       *ev = &e->xfocus;
6601
6602         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6603             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6604             ev->window, ev->mode, ev->detail);
6605
6606         if (last_focus_event == ev->type) {
6607                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6608                 return;
6609         }
6610
6611         last_focus_event = ev->type;
6612         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6613
6614         switch (mode_detail) {
6615         /* synergy client focus operations */
6616         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6617         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6618
6619         /* synergy server focus operations */
6620         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6621
6622         /* Entering applications like rdesktop that mangle the pointer */
6623         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6624
6625                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6626                         XSetWindowBorder(display, win->id,
6627                             win->ws->r->s->c[ev->type == FocusIn ?
6628                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6629                 break;
6630         default:
6631                 warnx("ignoring focusevent");
6632                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6633                 break;
6634         }
6635 #endif
6636 }
6637
6638 void
6639 mapnotify(XEvent *e)
6640 {
6641         struct ws_win           *win;
6642         XMapEvent               *ev = &e->xmap;
6643
6644         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6645
6646         win = manage_window(ev->window);
6647         if (win)
6648                 set_win_state(win, NormalState);
6649
6650         /*
6651          * focus_win can only set input focus on a mapped window.
6652          * make sure the window really has focus since it is just being mapped.
6653          */
6654         if (win->ws->focus == win)
6655                 focus_win(win);
6656 }
6657
6658 void
6659 mappingnotify(XEvent *e)
6660 {
6661         XMappingEvent           *ev = &e->xmapping;
6662
6663         XRefreshKeyboardMapping(ev);
6664         if (ev->request == MappingKeyboard)
6665                 grabkeys();
6666 }
6667
6668 void
6669 maprequest(XEvent *e)
6670 {
6671         struct ws_win           *win;
6672         struct swm_region       *r;
6673         XWindowAttributes       wa;
6674         XMapRequestEvent        *ev = &e->xmaprequest;
6675
6676         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6677             e->xmaprequest.window);
6678
6679         if (!XGetWindowAttributes(display, ev->window, &wa))
6680                 return;
6681         if (wa.override_redirect)
6682                 return;
6683
6684         win = manage_window(e->xmaprequest.window);
6685         if (win == NULL)
6686                 return; /* can't happen */
6687
6688         stack();
6689
6690         /* make new win focused */
6691         r = root_to_region(win->wa.root);
6692         if (win->ws == r->ws)
6693                 focus_magic(win);
6694 }
6695
6696 void
6697 propertynotify(XEvent *e)
6698 {
6699         struct ws_win           *win;
6700         XPropertyEvent          *ev = &e->xproperty;
6701 #ifdef SWM_DEBUG
6702         char                    *name;
6703         name = XGetAtomName(display, ev->atom);
6704         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6705             ev->window, name);
6706         XFree(name);
6707 #endif
6708
6709         win = find_window(ev->window);
6710         if (win == NULL)
6711                 return;
6712
6713         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6714                 update_iconic(win, 0);
6715                 XMapRaised(display, win->id);
6716                 stack();
6717                 focus_win(win);
6718                 return;
6719         }
6720
6721         switch (ev->atom) {
6722 #if 0
6723         case XA_WM_NORMAL_HINTS:
6724                 long            mask;
6725                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6726                 warnx("normal hints: flag 0x%x", win->sh.flags);
6727                 if (win->sh.flags & PMinSize) {
6728                         WIDTH(win) = win->sh.min_width;
6729                         HEIGHT(win) = win->sh.min_height;
6730                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
6731                 }
6732                 XMoveResizeWindow(display, win->id,
6733                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6734 #endif
6735         case XA_WM_CLASS:
6736         case XA_WM_NAME:
6737                 bar_update();
6738                 break;
6739         default:
6740                 break;
6741         }
6742 }
6743
6744 void
6745 unmapnotify(XEvent *e)
6746 {
6747         struct ws_win           *win;
6748
6749         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
6750
6751         /* determine if we need to help unmanage this window */
6752         win = find_window(e->xunmap.window);
6753         if (win == NULL)
6754                 return;
6755
6756         if (getstate(e->xunmap.window) == NormalState) {
6757                 unmanage_window(win);
6758                 stack();
6759
6760                 /* giant hack for apps that don't destroy transient windows */
6761                 /* eat a bunch of events to prevent remanaging the window */
6762                 XEvent                  cne;
6763                 while (XCheckWindowEvent(display, e->xunmap.window,
6764                     EnterWindowMask, &cne))
6765                         ;
6766                 while (XCheckWindowEvent(display, e->xunmap.window,
6767                     StructureNotifyMask, &cne))
6768                         ;
6769                 while (XCheckWindowEvent(display, e->xunmap.window,
6770                     SubstructureNotifyMask, &cne))
6771                         ;
6772                 /* resend unmap because we ated it */
6773                 XUnmapWindow(display, e->xunmap.window);
6774         }
6775
6776         if (focus_mode == SWM_FOCUS_DEFAULT)
6777                 drain_enter_notify();
6778 }
6779
6780 void
6781 visibilitynotify(XEvent *e)
6782 {
6783         int                     i;
6784         struct swm_region       *r;
6785
6786         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
6787             e->xvisibility.window);
6788         if (e->xvisibility.state == VisibilityUnobscured)
6789                 for (i = 0; i < ScreenCount(display); i++)
6790                         TAILQ_FOREACH(r, &screens[i].rl, entry)
6791                                 if (e->xvisibility.window == r->bar_window)
6792                                         bar_update();
6793 }
6794
6795 void
6796 clientmessage(XEvent *e)
6797 {
6798         XClientMessageEvent *ev;
6799         struct ws_win *win;
6800
6801         ev = &e->xclient;
6802
6803         win = find_window(ev->window);
6804         if (win == NULL)
6805                 return;
6806
6807         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
6808             ev->window, ev->message_type);
6809
6810         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6811                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
6812                 focus_win(win);
6813         }
6814         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6815                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
6816                 if (win->can_delete)
6817                         client_msg(win, adelete);
6818                 else
6819                         XKillClient(display, win->id);
6820         }
6821         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6822                 DNPRINTF(SWM_D_EVENT,
6823                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
6824                 if (win->floating) {
6825                         if (ev->data.l[0] & (1<<8)) /* x */
6826                                 X(win) = ev->data.l[1];
6827                         if (ev->data.l[0] & (1<<9)) /* y */
6828                                 Y(win) = ev->data.l[2];
6829                         if (ev->data.l[0] & (1<<10)) /* width */
6830                                 WIDTH(win) = ev->data.l[3];
6831                         if (ev->data.l[0] & (1<<11)) /* height */
6832                                 HEIGHT(win) = ev->data.l[4];
6833
6834                         update_window(win);
6835                 }
6836                 else {
6837                         /* TODO: Change stack sizes */
6838                         /* notify no change was made. */
6839                         config_win(win, NULL);
6840                 }
6841         }
6842         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
6843                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
6844                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
6845                 if (ev->data.l[2])
6846                         ewmh_update_win_state(win, ev->data.l[2],
6847                             ev->data.l[0]);
6848
6849                 stack();
6850         }
6851 }
6852
6853 int
6854 xerror_start(Display *d, XErrorEvent *ee)
6855 {
6856         other_wm = 1;
6857         return (-1);
6858 }
6859
6860 int
6861 xerror(Display *d, XErrorEvent *ee)
6862 {
6863         /* warnx("error: %p %p", display, ee); */
6864         return (-1);
6865 }
6866
6867 int
6868 active_wm(void)
6869 {
6870         other_wm = 0;
6871         xerrorxlib = XSetErrorHandler(xerror_start);
6872
6873         /* this causes an error if some other window manager is running */
6874         XSelectInput(display, DefaultRootWindow(display),
6875             SubstructureRedirectMask);
6876         XSync(display, False);
6877         if (other_wm)
6878                 return (1);
6879
6880         XSetErrorHandler(xerror);
6881         XSync(display, False);
6882         return (0);
6883 }
6884
6885 void
6886 new_region(struct swm_screen *s, int x, int y, int w, int h)
6887 {
6888         struct swm_region       *r, *n;
6889         struct workspace        *ws = NULL;
6890         int                     i;
6891
6892         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6893              s->idx, w, h, x, y);
6894
6895         /* remove any conflicting regions */
6896         n = TAILQ_FIRST(&s->rl);
6897         while (n) {
6898                 r = n;
6899                 n = TAILQ_NEXT(r, entry);
6900                 if (X(r) < (x + w) &&
6901                     (X(r) + WIDTH(r)) > x &&
6902                     Y(r) < (y + h) &&
6903                     (Y(r) + HEIGHT(r)) > y) {
6904                         if (r->ws->r != NULL)
6905                                 r->ws->old_r = r->ws->r;
6906                         r->ws->r = NULL;
6907                         XDestroyWindow(display, r->bar_window);
6908                         TAILQ_REMOVE(&s->rl, r, entry);
6909                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6910                 }
6911         }
6912
6913         /* search old regions for one to reuse */
6914
6915         /* size + location match */
6916         TAILQ_FOREACH(r, &s->orl, entry)
6917                 if (X(r) == x && Y(r) == y &&
6918                     HEIGHT(r) == h && WIDTH(r) == w)
6919                         break;
6920
6921         /* size match */
6922         TAILQ_FOREACH(r, &s->orl, entry)
6923                 if (HEIGHT(r) == h && WIDTH(r) == w)
6924                         break;
6925
6926         if (r != NULL) {
6927                 TAILQ_REMOVE(&s->orl, r, entry);
6928                 /* try to use old region's workspace */
6929                 if (r->ws->r == NULL)
6930                         ws = r->ws;
6931         } else
6932                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6933                         err(1, "new_region: calloc: failed to allocate memory "
6934                             "for screen");
6935
6936         /* if we don't have a workspace already, find one */
6937         if (ws == NULL) {
6938                 for (i = 0; i < workspace_limit; i++)
6939                         if (s->ws[i].r == NULL) {
6940                                 ws = &s->ws[i];
6941                                 break;
6942                         }
6943         }
6944
6945         if (ws == NULL)
6946                 errx(1, "new_region: no free workspaces");
6947
6948         X(r) = x;
6949         Y(r) = y;
6950         WIDTH(r) = w;
6951         HEIGHT(r) = h;
6952         r->s = s;
6953         r->ws = ws;
6954         r->ws_prior = NULL;
6955         ws->r = r;
6956         outputs++;
6957         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6958 }
6959
6960 void
6961 scan_xrandr(int i)
6962 {
6963 #ifdef SWM_XRR_HAS_CRTC
6964         XRRCrtcInfo             *ci;
6965         XRRScreenResources      *sr;
6966         int                     c;
6967         int                     ncrtc = 0;
6968 #endif /* SWM_XRR_HAS_CRTC */
6969         struct swm_region       *r;
6970
6971
6972         if (i >= ScreenCount(display))
6973                 errx(1, "scan_xrandr: invalid screen");
6974
6975         /* remove any old regions */
6976         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6977                 r->ws->old_r = r->ws->r = NULL;
6978                 XDestroyWindow(display, r->bar_window);
6979                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6980                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6981         }
6982         outputs = 0;
6983
6984         /* map virtual screens onto physical screens */
6985 #ifdef SWM_XRR_HAS_CRTC
6986         if (xrandr_support) {
6987                 sr = XRRGetScreenResources(display, screens[i].root);
6988                 if (sr == NULL)
6989                         new_region(&screens[i], 0, 0,
6990                             DisplayWidth(display, i),
6991                             DisplayHeight(display, i));
6992                 else
6993                         ncrtc = sr->ncrtc;
6994
6995                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6996                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6997                         if (ci->noutput == 0)
6998                                 continue;
6999
7000                         if (ci != NULL && ci->mode == None)
7001                                 new_region(&screens[i], 0, 0,
7002                                     DisplayWidth(display, i),
7003                                     DisplayHeight(display, i));
7004                         else
7005                                 new_region(&screens[i],
7006                                     ci->x, ci->y, ci->width, ci->height);
7007                 }
7008                 if (ci)
7009                         XRRFreeCrtcInfo(ci);
7010                 XRRFreeScreenResources(sr);
7011         } else
7012 #endif /* SWM_XRR_HAS_CRTC */
7013         {
7014                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
7015                     DisplayHeight(display, i));
7016         }
7017 }
7018
7019 void
7020 screenchange(XEvent *e) {
7021         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7022         struct swm_region               *r;
7023         int                             i;
7024
7025         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7026
7027         if (!XRRUpdateConfiguration(e))
7028                 return;
7029
7030         /* silly event doesn't include the screen index */
7031         for (i = 0; i < ScreenCount(display); i++)
7032                 if (screens[i].root == xe->root)
7033                         break;
7034         if (i >= ScreenCount(display))
7035                 errx(1, "screenchange: screen not found");
7036
7037         /* brute force for now, just re-enumerate the regions */
7038         scan_xrandr(i);
7039
7040         /* add bars to all regions */
7041         for (i = 0; i < ScreenCount(display); i++)
7042                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7043                         bar_setup(r);
7044         stack();
7045         if (focus_mode == SWM_FOCUS_DEFAULT)
7046                 drain_enter_notify();
7047 }
7048
7049 void
7050 grab_windows(void)
7051 {
7052         Window                  d1, d2, *wins = NULL;
7053         XWindowAttributes       wa;
7054         unsigned int            no;
7055         int                     i, j;
7056         long                    state, manage;
7057
7058         for (i = 0; i < ScreenCount(display); i++) {
7059                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
7060                         continue;
7061
7062                 /* attach windows to a region */
7063                 /* normal windows */
7064                 for (j = 0; j < no; j++) {
7065                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7066                             wa.override_redirect ||
7067                             XGetTransientForHint(display, wins[j], &d1))
7068                                 continue;
7069
7070                         state = getstate(wins[j]);
7071                         manage = state == IconicState;
7072                         if (wa.map_state == IsViewable || manage)
7073                                 manage_window(wins[j]);
7074                 }
7075                 /* transient windows */
7076                 for (j = 0; j < no; j++) {
7077                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7078                             wa.override_redirect)
7079                                 continue;
7080
7081                         state = getstate(wins[j]);
7082                         manage = state == IconicState;
7083                         if (XGetTransientForHint(display, wins[j], &d1) &&
7084                             manage)
7085                                 manage_window(wins[j]);
7086                 }
7087                 if (wins) {
7088                         XFree(wins);
7089                         wins = NULL;
7090                 }
7091         }
7092 }
7093
7094 void
7095 setup_screens(void)
7096 {
7097         int                     i, j, k;
7098         int                     errorbase, major, minor;
7099         struct workspace        *ws;
7100         XGCValues               gcv;
7101
7102         if ((screens = calloc(ScreenCount(display),
7103              sizeof(struct swm_screen))) == NULL)
7104                 err(1, "setup_screens: calloc: failed to allocate memory for "
7105                     "screens");
7106
7107         /* initial Xrandr setup */
7108         xrandr_support = XRRQueryExtension(display,
7109             &xrandr_eventbase, &errorbase);
7110         if (xrandr_support)
7111                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
7112                         xrandr_support = 0;
7113
7114         /* map physical screens */
7115         for (i = 0; i < ScreenCount(display); i++) {
7116                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7117                 screens[i].idx = i;
7118                 TAILQ_INIT(&screens[i].rl);
7119                 TAILQ_INIT(&screens[i].orl);
7120                 screens[i].root = RootWindow(display, i);
7121
7122                 /* set default colors */
7123                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7124                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7125                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7126                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7127                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7128
7129                 /* create graphics context on screen with default font color */
7130                 screens[i].bar_gc = XCreateGC(display, screens[i].root, 0,
7131                     &gcv);
7132
7133                 XSetForeground(display, screens[i].bar_gc,
7134                     screens[i].c[SWM_S_COLOR_BAR_FONT].color);
7135
7136                 /* set default cursor */
7137                 XDefineCursor(display, screens[i].root,
7138                     XCreateFontCursor(display, XC_left_ptr));
7139
7140                 /* init all workspaces */
7141                 /* XXX these should be dynamically allocated too */
7142                 for (j = 0; j < SWM_WS_MAX; j++) {
7143                         ws = &screens[i].ws[j];
7144                         ws->idx = j;
7145                         ws->name = NULL;
7146                         ws->focus = NULL;
7147                         ws->r = NULL;
7148                         ws->old_r = NULL;
7149                         TAILQ_INIT(&ws->winlist);
7150                         TAILQ_INIT(&ws->unmanagedlist);
7151
7152                         for (k = 0; layouts[k].l_stack != NULL; k++)
7153                                 if (layouts[k].l_config != NULL)
7154                                         layouts[k].l_config(ws,
7155                                             SWM_ARG_ID_STACKINIT);
7156                         ws->cur_layout = &layouts[0];
7157                         ws->cur_layout->l_string(ws);
7158                 }
7159
7160                 scan_xrandr(i);
7161
7162                 if (xrandr_support)
7163                         XRRSelectInput(display, screens[i].root,
7164                             RRScreenChangeNotifyMask);
7165         }
7166 }
7167
7168 void
7169 setup_globals(void)
7170 {
7171         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7172                 err(1, "setup_globals: strdup: failed to allocate memory.");
7173
7174         if ((spawn_term[0] = strdup("xterm")) == NULL)
7175                 err(1, "setup_globals: strdup: failed to allocate memory.");
7176
7177         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7178                 err(1, "setup_globals: strdup: failed to allocate memory.");
7179 }
7180
7181 void
7182 workaround(void)
7183 {
7184         int                     i;
7185         Atom                    netwmcheck, netwmname, utf8_string;
7186         Window                  root, win;
7187
7188         /* work around sun jdk bugs, code from wmname */
7189         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
7190         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7191         utf8_string = XInternAtom(display, "UTF8_STRING", False);
7192         for (i = 0; i < ScreenCount(display); i++) {
7193                 root = screens[i].root;
7194                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
7195                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
7196                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
7197
7198                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
7199                     PropModeReplace, (unsigned char *)&win, 1);
7200                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
7201                     PropModeReplace, (unsigned char *)&win, 1);
7202                 XChangeProperty(display, win, netwmname, utf8_string, 8,
7203                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
7204         }
7205 }
7206
7207 int
7208 main(int argc, char *argv[])
7209 {
7210         struct swm_region       *r, *rr;
7211         struct ws_win           *winfocus = NULL;
7212         struct timeval          tv;
7213         union arg               a;
7214         char                    conf[PATH_MAX], *cfile = NULL;
7215         struct stat             sb;
7216         XEvent                  e;
7217         int                     xfd, i;
7218         fd_set                  rd;
7219         struct sigaction        sact;
7220
7221         start_argv = argv;
7222         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7223         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7224             !XSupportsLocale())
7225                 warnx("no locale support");
7226
7227         if (!X_HAVE_UTF8_STRING)
7228                 warnx("no UTF-8 support");
7229
7230         if (!(display = XOpenDisplay(0)))
7231                 errx(1, "can not open display");
7232
7233         if (active_wm())
7234                 errx(1, "other wm running");
7235
7236         /* handle some signals */
7237         bzero(&sact, sizeof(sact));
7238         sigemptyset(&sact.sa_mask);
7239         sact.sa_flags = 0;
7240         sact.sa_handler = sighdlr;
7241         sigaction(SIGINT, &sact, NULL);
7242         sigaction(SIGQUIT, &sact, NULL);
7243         sigaction(SIGTERM, &sact, NULL);
7244         sigaction(SIGHUP, &sact, NULL);
7245
7246         sact.sa_handler = sighdlr;
7247         sact.sa_flags = SA_NOCLDSTOP;
7248         sigaction(SIGCHLD, &sact, NULL);
7249
7250         astate = XInternAtom(display, "WM_STATE", False);
7251         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
7252         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
7253         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
7254         a_wmname = XInternAtom(display, "WM_NAME", False);
7255         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7256         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
7257         a_string = XInternAtom(display, "STRING", False);
7258         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
7259
7260         /* look for local and global conf file */
7261         pwd = getpwuid(getuid());
7262         if (pwd == NULL)
7263                 errx(1, "invalid user: %d", getuid());
7264
7265         setup_globals();
7266         setup_screens();
7267         setup_keys();
7268         setup_quirks();
7269         setup_spawn();
7270
7271         /* load config */
7272         for (i = 0; ; i++) {
7273                 conf[0] = '\0';
7274                 switch (i) {
7275                 case 0:
7276                         /* ~ */
7277                         snprintf(conf, sizeof conf, "%s/.%s",
7278                             pwd->pw_dir, SWM_CONF_FILE);
7279                         break;
7280                 case 1:
7281                         /* global */
7282                         snprintf(conf, sizeof conf, "/etc/%s",
7283                             SWM_CONF_FILE);
7284                         break;
7285                 case 2:
7286                         /* ~ compat */
7287                         snprintf(conf, sizeof conf, "%s/.%s",
7288                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7289                         break;
7290                 case 3:
7291                         /* global compat */
7292                         snprintf(conf, sizeof conf, "/etc/%s",
7293                             SWM_CONF_FILE_OLD);
7294                         break;
7295                 default:
7296                         goto noconfig;
7297                 }
7298
7299                 if (strlen(conf) && stat(conf, &sb) != -1)
7300                         if (S_ISREG(sb.st_mode)) {
7301                                 cfile = conf;
7302                                 break;
7303                         }
7304         }
7305 noconfig:
7306
7307         /* load conf (if any) and refresh font color in bar graphics contexts */
7308         if (cfile && conf_load(cfile, SWM_CONF_DEFAULT) == 0)
7309                 for (i = 0; i < ScreenCount(display); ++i)
7310                         XSetForeground(display, screens[i].bar_gc,
7311                             screens[i].c[SWM_S_COLOR_BAR_FONT].color);
7312
7313         setup_ewmh();
7314         /* set some values to work around bad programs */
7315         workaround();
7316         /* grab existing windows (before we build the bars) */
7317         grab_windows();
7318
7319         if (getenv("SWM_STARTED") == NULL)
7320                 setenv("SWM_STARTED", "YES", 1);
7321
7322         /* setup all bars */
7323         for (i = 0; i < ScreenCount(display); i++)
7324                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7325                         if (winfocus == NULL)
7326                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7327                         bar_setup(r);
7328                 }
7329
7330         unfocus_all();
7331
7332         grabkeys();
7333         stack();
7334         if (focus_mode == SWM_FOCUS_DEFAULT)
7335                 drain_enter_notify();
7336
7337         xfd = ConnectionNumber(display);
7338         while (running) {
7339                 while (XPending(display)) {
7340                         XNextEvent(display, &e);
7341                         if (running == 0)
7342                                 goto done;
7343                         if (e.type < LASTEvent) {
7344                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7345                                     "window: 0x%lx, type: %s (%d), %d remaining"
7346                                     "\n", YESNO(handler[e.type]),
7347                                     e.xany.window, geteventname(&e),
7348                                     e.type, QLength(display));
7349
7350                                 if (handler[e.type])
7351                                         handler[e.type](&e);
7352                         } else {
7353                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7354                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7355                                     xrandr_geteventname(&e), e.type);
7356
7357                                 switch (e.type - xrandr_eventbase) {
7358                                 case RRScreenChangeNotify:
7359                                         screenchange(&e);
7360                                         break;
7361                                 default:
7362                                         break;
7363                                 }
7364                         }
7365                 }
7366
7367                 /* if we are being restarted go focus on first window */
7368                 if (winfocus) {
7369                         rr = winfocus->ws->r;
7370                         if (rr == NULL) {
7371                                 /* not a visible window */
7372                                 winfocus = NULL;
7373                                 continue;
7374                         }
7375                         /* move pointer to first screen if multi screen */
7376                         if (ScreenCount(display) > 1 || outputs > 1)
7377                                 XWarpPointer(display, None, rr->s[0].root,
7378                                     0, 0, 0, 0, X(rr),
7379                                     Y(rr) + (bar_enabled ? bar_height : 0));
7380
7381                         a.id = SWM_ARG_ID_FOCUSCUR;
7382                         focus(rr, &a);
7383                         winfocus = NULL;
7384                         continue;
7385                 }
7386
7387                 FD_ZERO(&rd);
7388                 FD_SET(xfd, &rd);
7389                 tv.tv_sec = 1;
7390                 tv.tv_usec = 0;
7391                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7392                         if (errno != EINTR)
7393                                 DNPRINTF(SWM_D_MISC, "select failed");
7394                 if (restart_wm == 1)
7395                         restart(NULL, NULL);
7396                 if (search_resp == 1)
7397                         search_do_resp();
7398                 if (running == 0)
7399                         goto done;
7400                 if (bar_alarm) {
7401                         bar_alarm = 0;
7402                         bar_update();
7403                 }
7404         }
7405 done:
7406         teardown_ewmh();
7407         bar_extra_stop();
7408
7409         for (i = 0; i < ScreenCount(display); ++i)
7410                 if (screens[i].bar_gc != NULL)
7411                         XFreeGC(display, screens[i].bar_gc);
7412
7413         XFreeFontSet(display, bar_fs);
7414         XCloseDisplay(display);
7415
7416         return (0);
7417 }