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 char *
1483 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1484     size_t sz)
1485 {
1486         char                    *ptr;
1487         char                    num[8], tmp[SWM_BAR_MAX];
1488         int                     limit;
1489         size_t                  len, numoff = 0;
1490
1491         /* reset strlcat(3) buffer */
1492         *tmp = '\0';
1493
1494         /* get number, if any */
1495         fmt++;
1496         while (*fmt != '\0' && isdigit((unsigned char) *fmt)) {
1497                 if (numoff >= sizeof num - 1)
1498                         break;
1499                 num[numoff++] = *fmt++;
1500         }
1501         num[numoff] = '\0';
1502
1503         if ((limit = strtonum(num, 1, sizeof tmp - 1, NULL)) == 0)
1504                 limit = sizeof tmp - 1;
1505
1506         /* if number is too big, skip to the first non-digit */
1507         if (numoff >= sizeof num - 1) {
1508                 while (*fmt != '\0' && isdigit((unsigned char) *fmt))
1509                         fmt++;
1510         }
1511         /* there is nothing to replace (ie EOL) */
1512         if (*fmt == '\0')
1513                 return (fmt);
1514
1515         switch (*fmt) {
1516         case 'A':
1517                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1518                 break;
1519         case 'C':
1520                 bar_class_name(tmp, sizeof tmp, r);
1521                 break;
1522         case 'D':
1523                 bar_workspace_name(tmp, sizeof tmp, r);
1524                 break;
1525         case 'I':
1526                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1527                 break;
1528         case 'N':
1529                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1530                 break;
1531         case 'S':
1532                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1533                 break;
1534         case 'T':
1535                 bar_title_name(tmp, sizeof tmp, r);
1536                 break;
1537         case 'U':
1538                 bar_urgent(tmp, sizeof tmp);
1539                 break;
1540         case 'V':
1541                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1542                 break;
1543         case 'W':
1544                 bar_window_name(tmp, sizeof tmp, r);
1545                 break;
1546         default:
1547                 /* unknown character sequence; copy as-is */
1548                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1549                 break;
1550         }
1551
1552         len = strlen(tmp);
1553         ptr = tmp;
1554         if (len < limit)
1555                 limit = len;
1556         while (limit-- > 0) {
1557                 if (*offrep >= sz - 1)
1558                         break;
1559                 fmtrep[(*offrep)++] = *ptr++;
1560         }
1561
1562         fmt++;
1563         return (fmt);
1564 }
1565
1566 void
1567 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1568 {
1569         size_t                  off;
1570
1571         off = 0;
1572         while (*fmt != '\0') {
1573                 if (*fmt != '+') {
1574                         /* skip ordinary characters */
1575                         if (off >= sz - 1)
1576                                 break;
1577                         fmtrep[off++] = *fmt++;
1578                         continue;
1579                 }
1580
1581                 /* character sequence found; replace it */
1582                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1583                 if (off >= sz - 1)
1584                         break;
1585         }
1586
1587         fmtrep[off] = '\0';
1588 }
1589
1590 void
1591 bar_fmt_expand(char *fmtexp, size_t sz)
1592 {
1593         char                    *fmt = NULL;
1594         size_t                  len;
1595         struct tm               tm;
1596         time_t                  tmt;
1597
1598         /* start by grabbing the current time and date */
1599         time(&tmt);
1600         localtime_r(&tmt, &tm);
1601
1602         /* figure out what to expand */
1603         if (bar_format != NULL)
1604                 fmt = bar_format;
1605         else if (bar_format == NULL && clock_enabled)
1606                 fmt = clock_format;
1607         /* if nothing to expand bail out */
1608         if (fmt == NULL) {
1609                 *fmtexp = '\0';
1610                 return;
1611         }
1612
1613         /* copy as-is, just in case the format shouldn't be expanded below */
1614         strlcpy(fmtexp, fmt, sz);
1615         /* finally pass the string through strftime(3) */
1616 #ifndef SWM_DENY_CLOCK_FORMAT
1617         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1618                 warnx("format too long");
1619         fmtexp[len] = '\0';
1620 #endif
1621 }
1622
1623 void
1624 bar_fmt_print(void)
1625 {
1626         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1627         char                    fmtrep[SWM_BAR_MAX];
1628         int                     i;
1629         struct swm_region       *r;
1630
1631         /* expand the format by first passing it through strftime(3) */
1632         bar_fmt_expand(fmtexp, sizeof fmtexp);
1633
1634         for (i = 0; i < ScreenCount(display); i++) {
1635                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1636                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1637                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1638                         bar_print(r, fmtrep);
1639                 }
1640         }
1641 }
1642
1643 void
1644 bar_update(void)
1645 {
1646         size_t                  len;
1647         char                    *b;
1648
1649         if (bar_enabled == 0)
1650                 return;
1651         if (bar_extra && bar_extra_running) {
1652                 /* ignore short reads; it'll correct itself */
1653                 while ((b = fgetln(stdin, &len)) != NULL)
1654                         if (b && b[len - 1] == '\n') {
1655                                 b[len - 1] = '\0';
1656                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1657                         }
1658                 if (b == NULL && errno != EAGAIN) {
1659                         warn("bar_update: bar_extra failed");
1660                         bar_extra_stop();
1661                 }
1662         } else
1663                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1664
1665         bar_fmt_print();
1666         alarm(bar_delay);
1667 }
1668
1669 void
1670 bar_signal(int sig)
1671 {
1672         bar_alarm = 1;
1673 }
1674
1675 void
1676 bar_toggle(struct swm_region *r, union arg *args)
1677 {
1678         struct swm_region       *tmpr;
1679         int                     i, sc = ScreenCount(display);
1680
1681         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1682
1683         if (bar_enabled)
1684                 for (i = 0; i < sc; i++)
1685                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1686                                 XUnmapWindow(display, tmpr->bar_window);
1687         else
1688                 for (i = 0; i < sc; i++)
1689                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1690                                 XMapRaised(display, tmpr->bar_window);
1691
1692         bar_enabled = !bar_enabled;
1693
1694         stack();
1695         /* must be after stack */
1696         bar_update();
1697 }
1698
1699 void
1700 bar_refresh(void)
1701 {
1702         XSetWindowAttributes    wa;
1703         struct swm_region       *r;
1704         int                     i;
1705
1706         /* do this here because the conf file is in memory */
1707         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1708                 /* launch external status app */
1709                 bar_extra_running = 1;
1710                 if (pipe(bar_pipe) == -1)
1711                         err(1, "pipe error");
1712                 socket_setnonblock(bar_pipe[0]);
1713                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1714                 if (dup2(bar_pipe[0], 0) == -1)
1715                         err(1, "dup2");
1716                 if (dup2(bar_pipe[1], 1) == -1)
1717                         err(1, "dup2");
1718                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1719                         err(1, "could not disable SIGPIPE");
1720                 switch (bar_pid = fork()) {
1721                 case -1:
1722                         err(1, "cannot fork");
1723                         break;
1724                 case 0: /* child */
1725                         close(bar_pipe[0]);
1726                         execvp(bar_argv[0], bar_argv);
1727                         err(1, "%s external app failed", bar_argv[0]);
1728                         break;
1729                 default: /* parent */
1730                         close(bar_pipe[1]);
1731                         break;
1732                 }
1733         }
1734
1735         bzero(&wa, sizeof wa);
1736         for (i = 0; i < ScreenCount(display); i++)
1737                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1738                         wa.border_pixel =
1739                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1740                         wa.background_pixel =
1741                             screens[i].c[SWM_S_COLOR_BAR].color;
1742                         XChangeWindowAttributes(display, r->bar_window,
1743                             CWBackPixel | CWBorderPixel, &wa);
1744                 }
1745         bar_update();
1746 }
1747
1748 void
1749 bar_setup(struct swm_region *r)
1750 {
1751         char                    *default_string;
1752         char                    **missing_charsets;
1753         int                     num_missing_charsets = 0;
1754         int                     i, x, y;
1755
1756         if (bar_fs) {
1757                 XFreeFontSet(display, bar_fs);
1758                 bar_fs = NULL;
1759         }
1760
1761
1762         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1763
1764         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1765             &num_missing_charsets, &default_string);
1766
1767         if (num_missing_charsets > 0) {
1768                 warnx("Unable to load charset(s):");
1769
1770                 for (i = 0; i < num_missing_charsets; ++i)
1771                         warnx("%s", missing_charsets[i]);
1772
1773                 XFreeStringList(missing_charsets);
1774
1775                 if (strcmp(default_string, ""))
1776                         warnx("Glyphs from those sets will be replaced "
1777                             "by '%s'.", default_string);
1778                 else
1779                         warnx("Glyphs from those sets won't be drawn.");
1780         }
1781
1782         if (bar_fs == NULL)
1783                 errx(1, "Error creating font set structure.");
1784
1785         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1786
1787         bar_height = bar_fs_extents->max_logical_extent.height +
1788             2 * bar_border_width;
1789
1790         if (bar_height < 1)
1791                 bar_height = 1;
1792
1793         x = X(r);
1794         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1795
1796         r->bar_window = XCreateSimpleWindow(display,
1797             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1798             bar_height - 2 * bar_border_width,
1799             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1800             r->s->c[SWM_S_COLOR_BAR].color);
1801         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1802         if (bar_enabled)
1803                 XMapRaised(display, r->bar_window);
1804         DNPRINTF(SWM_D_BAR, "bar_setup: bar_window: 0x%lx\n", r->bar_window);
1805
1806         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1807                 err(1, "could not install bar_signal");
1808         bar_refresh();
1809 }
1810
1811 void
1812 drain_enter_notify(void)
1813 {
1814         int                     i = 0;
1815         XEvent                  cne;
1816
1817         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1818                 i++;
1819
1820         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained: %d\n", i);
1821 }
1822
1823 void
1824 set_win_state(struct ws_win *win, long state)
1825 {
1826         long                    data[] = {state, None};
1827
1828         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%lx\n", win->id);
1829
1830         if (win == NULL)
1831                 return;
1832
1833         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1834             (unsigned char *)data, 2);
1835 }
1836
1837 long
1838 getstate(Window w)
1839 {
1840         long                    result = -1;
1841         unsigned char           *p = NULL;
1842         unsigned long           n;
1843
1844         if (!get_property(w, astate, 2L, astate, &n, NULL, &p))
1845                 return (-1);
1846         if (n != 0)
1847                 result = *((long *)p);
1848         XFree(p);
1849         return (result);
1850 }
1851
1852 void
1853 version(struct swm_region *r, union arg *args)
1854 {
1855         bar_version = !bar_version;
1856         if (bar_version)
1857                 snprintf(bar_vertext, sizeof bar_vertext,
1858                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1859         else
1860                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1861         bar_update();
1862 }
1863
1864 void
1865 client_msg(struct ws_win *win, Atom a)
1866 {
1867         XClientMessageEvent     cm;
1868
1869         if (win == NULL)
1870                 return;
1871
1872         bzero(&cm, sizeof cm);
1873         cm.type = ClientMessage;
1874         cm.window = win->id;
1875         cm.message_type = aprot;
1876         cm.format = 32;
1877         cm.data.l[0] = a;
1878         cm.data.l[1] = CurrentTime;
1879         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1880 }
1881
1882 /* synthetic response to a ConfigureRequest when not making a change */
1883 void
1884 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1885 {
1886         XConfigureEvent         ce;
1887
1888         if (win == NULL)
1889                 return;
1890
1891         /* send notification of unchanged state. */
1892         ce.type = ConfigureNotify;
1893         ce.x = X(win);
1894         ce.y = Y(win);
1895         ce.width = WIDTH(win);
1896         ce.height = HEIGHT(win);
1897         ce.override_redirect = False;
1898
1899         if (ev == NULL) {
1900                 /* EWMH */
1901                 ce.display = display;
1902                 ce.event = win->id;
1903                 ce.window = win->id;
1904                 ce.border_width = border_width;
1905                 ce.above = None;
1906         } else {
1907                 /* normal */
1908                 ce.display = ev->display;
1909                 ce.event = ev->window;
1910                 ce.window = ev->window;
1911
1912                 /* make response appear more WM_SIZE_HINTS-compliant */
1913                 if (win->sh_mask)
1914                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%lx,"
1915                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
1916                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
1917                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
1918                             SH_INC_W(win), SH_INC_H(win));
1919
1920                 /* min size */
1921                 if (SH_MIN(win)) {
1922                         /* the hint may be set... to 0! */
1923                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
1924                                 ce.width = SH_MIN_W(win);
1925                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
1926                                 ce.height = SH_MIN_H(win);
1927                 }
1928
1929                 /* max size */
1930                 if (SH_MAX(win)) {
1931                         /* may also be advertized as 0 */
1932                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
1933                                 ce.width = SH_MAX_W(win);
1934                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
1935                                 ce.height = SH_MAX_H(win);
1936                 }
1937
1938                 /* resize increment. */
1939                 if (SH_INC(win)) {
1940                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
1941                                 ce.width -= (ce.width - SH_MIN_W(win)) %
1942                                     SH_INC_W(win);
1943                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
1944                                 ce.height -= (ce.height - SH_MIN_H(win)) %
1945                                     SH_INC_H(win);
1946                 }
1947
1948                 /* adjust x and y for requested border_width. */
1949                 ce.x += border_width - ev->border_width;
1950                 ce.y += border_width - ev->border_width;
1951                 ce.border_width = ev->border_width;
1952                 ce.above = ev->above;
1953         }
1954
1955         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
1956             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
1957             ce.y, ce.width, ce.height, ce.border_width);
1958
1959         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1960 }
1961
1962 int
1963 count_win(struct workspace *ws, int count_transient)
1964 {
1965         struct ws_win           *win;
1966         int                     count = 0;
1967
1968         TAILQ_FOREACH(win, &ws->winlist, entry) {
1969                 if (count_transient == 0 && win->floating)
1970                         continue;
1971                 if (count_transient == 0 && win->transient)
1972                         continue;
1973                 if (win->iconic)
1974                         continue;
1975                 count++;
1976         }
1977         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1978
1979         return (count);
1980 }
1981
1982 void
1983 quit(struct swm_region *r, union arg *args)
1984 {
1985         DNPRINTF(SWM_D_MISC, "quit\n");
1986         running = 0;
1987 }
1988
1989 void
1990 unmap_window(struct ws_win *win)
1991 {
1992         if (win == NULL)
1993                 return;
1994
1995         /* don't unmap again */
1996         if (getstate(win->id) == IconicState)
1997                 return;
1998
1999         set_win_state(win, IconicState);
2000
2001         XUnmapWindow(display, win->id);
2002         XSetWindowBorder(display, win->id,
2003             win->s->c[SWM_S_COLOR_UNFOCUS].color);
2004 }
2005
2006 void
2007 unmap_all(void)
2008 {
2009         struct ws_win           *win;
2010         int                     i, j;
2011
2012         for (i = 0; i < ScreenCount(display); i++)
2013                 for (j = 0; j < workspace_limit; j++)
2014                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2015                                 unmap_window(win);
2016 }
2017
2018 void
2019 fake_keypress(struct ws_win *win, int keysym, int modifiers)
2020 {
2021         XKeyEvent event;
2022
2023         if (win == NULL)
2024                 return;
2025
2026         event.display = display;        /* Ignored, but what the hell */
2027         event.window = win->id;
2028         event.root = win->s->root;
2029         event.subwindow = None;
2030         event.time = CurrentTime;
2031         event.x = X(win);
2032         event.y = Y(win);
2033         event.x_root = 1;
2034         event.y_root = 1;
2035         event.same_screen = True;
2036         event.keycode = XKeysymToKeycode(display, keysym);
2037         event.state = modifiers;
2038
2039         event.type = KeyPress;
2040         XSendEvent(event.display, event.window, True,
2041             KeyPressMask, (XEvent *)&event);
2042
2043         event.type = KeyRelease;
2044         XSendEvent(event.display, event.window, True,
2045             KeyPressMask, (XEvent *)&event);
2046
2047 }
2048
2049 void
2050 restart(struct swm_region *r, union arg *args)
2051 {
2052         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2053
2054         /* disable alarm because the following code may not be interrupted */
2055         alarm(0);
2056         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2057                 err(1, "can't disable alarm");
2058
2059         bar_extra_stop();
2060         bar_extra = 1;
2061         unmap_all();
2062         XCloseDisplay(display);
2063         execvp(start_argv[0], start_argv);
2064         warn("execvp failed");
2065         quit(NULL, NULL);
2066 }
2067
2068 struct swm_region *
2069 root_to_region(Window root)
2070 {
2071         struct swm_region       *r = NULL;
2072         Window                  rr, cr;
2073         int                     i, x, y, wx, wy;
2074         unsigned int            mask;
2075
2076         for (i = 0; i < ScreenCount(display); i++)
2077                 if (screens[i].root == root)
2078                         break;
2079
2080         if (XQueryPointer(display, screens[i].root,
2081             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
2082                 /* choose a region based on pointer location */
2083                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2084                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
2085                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
2086                                 break;
2087         }
2088
2089         if (r == NULL)
2090                 r = TAILQ_FIRST(&screens[i].rl);
2091
2092         return (r);
2093 }
2094
2095 struct ws_win *
2096 find_unmanaged_window(Window id)
2097 {
2098         struct ws_win           *win;
2099         int                     i, j;
2100
2101         for (i = 0; i < ScreenCount(display); i++)
2102                 for (j = 0; j < workspace_limit; j++)
2103                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2104                             entry)
2105                                 if (id == win->id)
2106                                         return (win);
2107         return (NULL);
2108 }
2109
2110 struct ws_win *
2111 find_window(Window id)
2112 {
2113         struct ws_win           *win;
2114         Window                  wrr, wpr, *wcr = NULL;
2115         int                     i, j;
2116         unsigned int            nc;
2117
2118         for (i = 0; i < ScreenCount(display); i++)
2119                 for (j = 0; j < workspace_limit; j++)
2120                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2121                                 if (id == win->id)
2122                                         return (win);
2123
2124         /* if we were looking for the parent return that window instead */
2125         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
2126                 return (NULL);
2127         if (wcr)
2128                 XFree(wcr);
2129
2130         /* ignore not found and root */
2131         if (wpr == 0 || wrr == wpr)
2132                 return (NULL);
2133
2134         /* look for parent */
2135         for (i = 0; i < ScreenCount(display); i++)
2136                 for (j = 0; j < workspace_limit; j++)
2137                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2138                                 if (wpr == win->id)
2139                                         return (win);
2140
2141         return (NULL);
2142 }
2143
2144 void
2145 spawn(int ws_idx, union arg *args, int close_fd)
2146 {
2147         int                     fd;
2148         char                    *ret = NULL;
2149
2150         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2151
2152         if (display)
2153                 close(ConnectionNumber(display));
2154
2155         setenv("LD_PRELOAD", SWM_LIB, 1);
2156
2157         if (asprintf(&ret, "%d", ws_idx) == -1) {
2158                 warn("spawn: asprintf SWM_WS");
2159                 _exit(1);
2160         }
2161         setenv("_SWM_WS", ret, 1);
2162         free(ret);
2163         ret = NULL;
2164
2165         if (asprintf(&ret, "%d", getpid()) == -1) {
2166                 warn("spawn: asprintf _SWM_PID");
2167                 _exit(1);
2168         }
2169         setenv("_SWM_PID", ret, 1);
2170         free(ret);
2171         ret = NULL;
2172
2173         if (setsid() == -1) {
2174                 warn("spawn: setsid");
2175                 _exit(1);
2176         }
2177
2178         if (close_fd) {
2179                 /*
2180                  * close stdin and stdout to prevent interaction between apps
2181                  * and the baraction script
2182                  * leave stderr open to record errors
2183                 */
2184                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2185                         warn("spawn: open");
2186                         _exit(1);
2187                 }
2188                 dup2(fd, STDIN_FILENO);
2189                 dup2(fd, STDOUT_FILENO);
2190                 if (fd > 2)
2191                         close(fd);
2192         }
2193
2194         execvp(args->argv[0], args->argv);
2195
2196         warn("spawn: execvp");
2197         _exit(1);
2198 }
2199
2200 void
2201 spawnterm(struct swm_region *r, union arg *args)
2202 {
2203         DNPRINTF(SWM_D_MISC, "spawnterm\n");
2204
2205         if (fork() == 0) {
2206                 if (term_width)
2207                         setenv("_SWM_XTERM_FONTADJ", "", 1);
2208                 spawn(r->ws->idx, args, 1);
2209         }
2210 }
2211
2212 void
2213 kill_refs(struct ws_win *win)
2214 {
2215         int                     i, x;
2216         struct swm_region       *r;
2217         struct workspace        *ws;
2218
2219         if (win == NULL)
2220                 return;
2221
2222         for (i = 0; i < ScreenCount(display); i++)
2223                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2224                         for (x = 0; x < workspace_limit; x++) {
2225                                 ws = &r->s->ws[x];
2226                                 if (win == ws->focus)
2227                                         ws->focus = NULL;
2228                                 if (win == ws->focus_prev)
2229                                         ws->focus_prev = NULL;
2230                         }
2231 }
2232
2233 int
2234 validate_win(struct ws_win *testwin)
2235 {
2236         struct ws_win           *win;
2237         struct workspace        *ws;
2238         struct swm_region       *r;
2239         int                     i, x;
2240
2241         if (testwin == NULL)
2242                 return (0);
2243
2244         for (i = 0; i < ScreenCount(display); i++)
2245                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2246                         for (x = 0; x < workspace_limit; x++) {
2247                                 ws = &r->s->ws[x];
2248                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2249                                         if (win == testwin)
2250                                                 return (0);
2251                         }
2252         return (1);
2253 }
2254
2255 int
2256 validate_ws(struct workspace *testws)
2257 {
2258         struct swm_region       *r;
2259         struct workspace        *ws;
2260         int                     i, x;
2261
2262         /* validate all ws */
2263         for (i = 0; i < ScreenCount(display); i++)
2264                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2265                         for (x = 0; x < workspace_limit; x++) {
2266                                 ws = &r->s->ws[x];
2267                                 if (ws == testws)
2268                                         return (0);
2269                         }
2270         return (1);
2271 }
2272
2273 void
2274 unfocus_win(struct ws_win *win)
2275 {
2276         XEvent                  cne;
2277         Window                  none = None;
2278
2279         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2280
2281         if (win == NULL)
2282                 return;
2283         if (win->ws == NULL)
2284                 return;
2285
2286         if (validate_ws(win->ws))
2287                 return; /* XXX this gets hit with thunderbird, needs fixing */
2288
2289         if (win->ws->r == NULL)
2290                 return;
2291
2292         if (validate_win(win)) {
2293                 kill_refs(win);
2294                 return;
2295         }
2296
2297         if (win->ws->focus == win) {
2298                 win->ws->focus = NULL;
2299                 win->ws->focus_prev = win;
2300         }
2301
2302         if (validate_win(win->ws->focus)) {
2303                 kill_refs(win->ws->focus);
2304                 win->ws->focus = NULL;
2305         }
2306         if (validate_win(win->ws->focus_prev)) {
2307                 kill_refs(win->ws->focus_prev);
2308                 win->ws->focus_prev = NULL;
2309         }
2310
2311         /* drain all previous unfocus events */
2312         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2313                 ;
2314
2315         grabbuttons(win, 0);
2316         XSetWindowBorder(display, win->id,
2317             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2318
2319         XChangeProperty(display, win->s->root,
2320             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2321             PropModeReplace, (unsigned char *)&none, 1);
2322 }
2323
2324 void
2325 unfocus_all(void)
2326 {
2327         struct ws_win           *win;
2328         int                     i, j;
2329
2330         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2331
2332         for (i = 0; i < ScreenCount(display); i++)
2333                 for (j = 0; j < workspace_limit; j++)
2334                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2335                                 unfocus_win(win);
2336 }
2337
2338 void
2339 focus_win(struct ws_win *win)
2340 {
2341         XEvent                  cne;
2342         Window                  cur_focus;
2343         int                     rr;
2344         struct ws_win           *cfw = NULL;
2345
2346
2347         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2348
2349         if (win == NULL)
2350                 return;
2351         if (win->ws == NULL)
2352                 return;
2353
2354         if (validate_ws(win->ws))
2355                 return; /* XXX this gets hit with thunderbird, needs fixing */
2356
2357         if (validate_win(win)) {
2358                 kill_refs(win);
2359                 return;
2360         }
2361
2362         if (validate_win(win)) {
2363                 kill_refs(win);
2364                 return;
2365         }
2366
2367         XGetInputFocus(display, &cur_focus, &rr);
2368         if ((cfw = find_window(cur_focus)) != NULL)
2369                 unfocus_win(cfw);
2370         else {
2371                 /* use larger hammer since the window was killed somehow */
2372                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2373                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2374                                 XSetWindowBorder(display, cfw->id,
2375                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2376         }
2377
2378         win->ws->focus = win;
2379
2380         if (win->ws->r != NULL) {
2381                 /* drain all previous focus events */
2382                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2383                         ;
2384
2385                 if (win->java == 0)
2386                         XSetInputFocus(display, win->id,
2387                             RevertToParent, CurrentTime);
2388                 grabbuttons(win, 1);
2389                 XSetWindowBorder(display, win->id,
2390                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2391                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2392                     win->ws->always_raise)
2393                         XMapRaised(display, win->id);
2394
2395                 XChangeProperty(display, win->s->root,
2396                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2397                     PropModeReplace, (unsigned char *)&win->id, 1);
2398         }
2399
2400         bar_update();
2401 }
2402
2403 void
2404 switchws(struct swm_region *r, union arg *args)
2405 {
2406         int                     wsid = args->id, unmap_old = 0;
2407         struct swm_region       *this_r, *other_r;
2408         struct ws_win           *win;
2409         struct workspace        *new_ws, *old_ws;
2410         union arg               a;
2411
2412         if (!(r && r->s))
2413                 return;
2414
2415         if (wsid >= workspace_limit)
2416                 return;
2417
2418         this_r = r;
2419         old_ws = this_r->ws;
2420         new_ws = &this_r->s->ws[wsid];
2421
2422         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2423             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2424
2425         if (new_ws == NULL || old_ws == NULL)
2426                 return;
2427         if (new_ws == old_ws)
2428                 return;
2429
2430         other_r = new_ws->r;
2431         if (other_r == NULL) {
2432                 /* the other workspace is hidden, hide this one */
2433                 old_ws->r = NULL;
2434                 unmap_old = 1;
2435         } else {
2436                 /* the other ws is visible in another region, exchange them */
2437                 other_r->ws_prior = new_ws;
2438                 other_r->ws = old_ws;
2439                 old_ws->r = other_r;
2440         }
2441         this_r->ws_prior = old_ws;
2442         this_r->ws = new_ws;
2443         new_ws->r = this_r;
2444
2445         /* this is needed so that we can click on a window after a restart */
2446         unfocus_all();
2447
2448         stack();
2449         a.id = SWM_ARG_ID_FOCUSCUR;
2450         focus(new_ws->r, &a);
2451
2452         /* unmap old windows */
2453         if (unmap_old)
2454                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2455                         unmap_window(win);
2456
2457         if (focus_mode == SWM_FOCUS_DEFAULT)
2458                 drain_enter_notify();
2459 }
2460
2461 void
2462 cyclews(struct swm_region *r, union arg *args)
2463 {
2464         union                   arg a;
2465         struct swm_screen       *s = r->s;
2466         int                     cycle_all = 0;
2467
2468         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2469             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2470
2471         a.id = r->ws->idx;
2472         do {
2473                 switch (args->id) {
2474                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2475                         cycle_all = 1;
2476                         /* FALLTHROUGH */
2477                 case SWM_ARG_ID_CYCLEWS_UP:
2478                         if (a.id < workspace_limit - 1)
2479                                 a.id++;
2480                         else
2481                                 a.id = 0;
2482                         break;
2483                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2484                         cycle_all = 1;
2485                         /* FALLTHROUGH */
2486                 case SWM_ARG_ID_CYCLEWS_DOWN:
2487                         if (a.id > 0)
2488                                 a.id--;
2489                         else
2490                                 a.id = workspace_limit - 1;
2491                         break;
2492                 default:
2493                         return;
2494                 };
2495
2496                 if (!cycle_all &&
2497                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2498                         continue;
2499                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2500                         continue;
2501
2502                 switchws(r, &a);
2503         } while (a.id != r->ws->idx);
2504 }
2505
2506 void
2507 priorws(struct swm_region *r, union arg *args)
2508 {
2509         union arg               a;
2510
2511         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2512             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2513
2514         if (r->ws_prior == NULL)
2515                 return;
2516
2517         a.id = r->ws_prior->idx;
2518         switchws(r, &a);
2519 }
2520
2521 void
2522 cyclescr(struct swm_region *r, union arg *args)
2523 {
2524         struct swm_region       *rr = NULL;
2525         union arg               a;
2526         int                     i, x, y;
2527
2528         /* do nothing if we don't have more than one screen */
2529         if (!(ScreenCount(display) > 1 || outputs > 1))
2530                 return;
2531
2532         i = r->s->idx;
2533         switch (args->id) {
2534         case SWM_ARG_ID_CYCLESC_UP:
2535                 rr = TAILQ_NEXT(r, entry);
2536                 if (rr == NULL)
2537                         rr = TAILQ_FIRST(&screens[i].rl);
2538                 break;
2539         case SWM_ARG_ID_CYCLESC_DOWN:
2540                 rr = TAILQ_PREV(r, swm_region_list, entry);
2541                 if (rr == NULL)
2542                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2543                 break;
2544         default:
2545                 return;
2546         };
2547         if (rr == NULL)
2548                 return;
2549
2550         /* move mouse to region */
2551         x = X(rr) + 1;
2552         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2553         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2554
2555         a.id = SWM_ARG_ID_FOCUSCUR;
2556         focus(rr, &a);
2557
2558         if (rr->ws->focus) {
2559                 /* move to focus window */
2560                 x = X(rr->ws->focus) + 1;
2561                 y = Y(rr->ws->focus) + 1;
2562                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2563         }
2564 }
2565
2566 void
2567 sort_windows(struct ws_win_list *wl)
2568 {
2569         struct ws_win           *win, *parent, *nxt;
2570
2571         if (wl == NULL)
2572                 return;
2573
2574         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2575                 nxt = TAILQ_NEXT(win, entry);
2576                 if (win->transient) {
2577                         parent = find_window(win->transient);
2578                         if (parent == NULL) {
2579                                 warnx("not possible bug");
2580                                 continue;
2581                         }
2582                         TAILQ_REMOVE(wl, win, entry);
2583                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2584                 }
2585         }
2586
2587 }
2588
2589 void
2590 swapwin(struct swm_region *r, union arg *args)
2591 {
2592         struct ws_win           *target, *source;
2593         struct ws_win           *cur_focus;
2594         struct ws_win_list      *wl;
2595
2596
2597         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2598             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2599
2600         cur_focus = r->ws->focus;
2601         if (cur_focus == NULL)
2602                 return;
2603
2604         source = cur_focus;
2605         wl = &source->ws->winlist;
2606
2607         switch (args->id) {
2608         case SWM_ARG_ID_SWAPPREV:
2609                 if (source->transient)
2610                         source = find_window(source->transient);
2611                 target = TAILQ_PREV(source, ws_win_list, entry);
2612                 if (target && target->transient)
2613                         target = find_window(target->transient);
2614                 TAILQ_REMOVE(wl, source, entry);
2615                 if (target == NULL)
2616                         TAILQ_INSERT_TAIL(wl, source, entry);
2617                 else
2618                         TAILQ_INSERT_BEFORE(target, source, entry);
2619                 break;
2620         case SWM_ARG_ID_SWAPNEXT:
2621                 target = TAILQ_NEXT(source, entry);
2622                 /* move the parent and let the sort handle the move */
2623                 if (source->transient)
2624                         source = find_window(source->transient);
2625                 TAILQ_REMOVE(wl, source, entry);
2626                 if (target == NULL)
2627                         TAILQ_INSERT_HEAD(wl, source, entry);
2628                 else
2629                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2630                 break;
2631         case SWM_ARG_ID_SWAPMAIN:
2632                 target = TAILQ_FIRST(wl);
2633                 if (target == source) {
2634                         if (source->ws->focus_prev != NULL &&
2635                             source->ws->focus_prev != target)
2636                                 source = source->ws->focus_prev;
2637                         else
2638                                 return;
2639                 }
2640                 if (target == NULL || source == NULL)
2641                         return;
2642                 source->ws->focus_prev = target;
2643                 TAILQ_REMOVE(wl, target, entry);
2644                 TAILQ_INSERT_BEFORE(source, target, entry);
2645                 TAILQ_REMOVE(wl, source, entry);
2646                 TAILQ_INSERT_HEAD(wl, source, entry);
2647                 break;
2648         case SWM_ARG_ID_MOVELAST:
2649                 TAILQ_REMOVE(wl, source, entry);
2650                 TAILQ_INSERT_TAIL(wl, source, entry);
2651                 break;
2652         default:
2653                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2654                 return;
2655         }
2656
2657         sort_windows(wl);
2658
2659         stack();
2660 }
2661
2662 void
2663 focus_prev(struct ws_win *win)
2664 {
2665         struct ws_win           *winfocus = NULL;
2666         struct ws_win           *cur_focus = NULL;
2667         struct ws_win_list      *wl = NULL;
2668         struct workspace        *ws = NULL;
2669
2670         if (!(win && win->ws))
2671                 return;
2672
2673         ws = win->ws;
2674         wl = &ws->winlist;
2675         cur_focus = ws->focus;
2676
2677         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx, cur_focus: 0x%lx\n",
2678             WINID(win), WINID(cur_focus));
2679
2680         /* pickle, just focus on whatever */
2681         if (cur_focus == NULL) {
2682                 /* use prev_focus if valid */
2683                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2684                     find_window(WINID(ws->focus_prev)))
2685                         winfocus = ws->focus_prev;
2686                 goto done;
2687         }
2688
2689         /* if transient focus on parent */
2690         if (cur_focus->transient) {
2691                 winfocus = find_window(cur_focus->transient);
2692                 goto done;
2693         }
2694
2695         /* if in max_stack try harder */
2696         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2697             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2698                 if (cur_focus != ws->focus_prev)
2699                         winfocus = ws->focus_prev;
2700                 else
2701                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2702                 if (winfocus)
2703                         goto done;
2704         }
2705
2706         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2707
2708         if (winfocus == NULL || winfocus == win) {
2709                 switch (focus_close) {
2710                 case SWM_STACK_BOTTOM:
2711                         winfocus = TAILQ_FIRST(wl);
2712                         break;
2713                 case SWM_STACK_TOP:
2714                         winfocus = TAILQ_LAST(wl, ws_win_list);
2715                         break;
2716                 case SWM_STACK_ABOVE:
2717                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2718                                 if (focus_close_wrap)
2719                                         winfocus = TAILQ_FIRST(wl);
2720                                 else
2721                                         winfocus = TAILQ_PREV(cur_focus,
2722                                             ws_win_list, entry);
2723                         }
2724                         break;
2725                 case SWM_STACK_BELOW:
2726                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2727                             entry)) == NULL) {
2728                                 if (focus_close_wrap)
2729                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2730                                 else
2731                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2732                         }
2733                         break;
2734                 }
2735         }
2736 done:
2737         if (winfocus == NULL) {
2738                 if (focus_default == SWM_STACK_TOP)
2739                         winfocus = TAILQ_LAST(wl, ws_win_list);
2740                 else
2741                         winfocus = TAILQ_FIRST(wl);
2742         }
2743
2744         kill_refs(win);
2745         focus_magic(winfocus);
2746 }
2747
2748 void
2749 focus(struct swm_region *r, union arg *args)
2750 {
2751         struct ws_win           *winfocus = NULL, *head;
2752         struct ws_win           *cur_focus = NULL;
2753         struct ws_win_list      *wl = NULL;
2754         struct workspace        *ws = NULL;
2755         int                     all_iconics;
2756
2757         if (!(r && r->ws))
2758                 return;
2759
2760         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2761
2762         /* treat FOCUS_CUR special */
2763         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2764                 if (r->ws->focus && r->ws->focus->iconic == 0)
2765                         winfocus = r->ws->focus;
2766                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2767                         winfocus = r->ws->focus_prev;
2768                 else
2769                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2770                                 if (winfocus->iconic == 0)
2771                                         break;
2772
2773                 focus_magic(winfocus);
2774                 return;
2775         }
2776
2777         if ((cur_focus = r->ws->focus) == NULL)
2778                 return;
2779         ws = r->ws;
2780         wl = &ws->winlist;
2781         if (TAILQ_EMPTY(wl))
2782                 return;
2783         /* make sure there is at least one uniconified window */
2784         all_iconics = 1;
2785         TAILQ_FOREACH(winfocus, wl, entry)
2786                 if (winfocus->iconic == 0) {
2787                         all_iconics = 0;
2788                         break;
2789                 }
2790         if (all_iconics)
2791                 return;
2792
2793         switch (args->id) {
2794         case SWM_ARG_ID_FOCUSPREV:
2795                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2796                 if (head == NULL)
2797                         head = TAILQ_LAST(wl, ws_win_list);
2798                 winfocus = head;
2799                 if (WINID(winfocus) == cur_focus->transient) {
2800                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2801                         if (head == NULL)
2802                                 head = TAILQ_LAST(wl, ws_win_list);
2803                         winfocus = head;
2804                 }
2805
2806                 /* skip iconics */
2807                 if (winfocus && winfocus->iconic) {
2808                         while (winfocus != cur_focus) {
2809                                 if (winfocus == NULL)
2810                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2811                                 if (winfocus->iconic == 0)
2812                                         break;
2813                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2814                                     entry);
2815                         }
2816                 }
2817                 break;
2818
2819         case SWM_ARG_ID_FOCUSNEXT:
2820                 head = TAILQ_NEXT(cur_focus, entry);
2821                 if (head == NULL)
2822                         head = TAILQ_FIRST(wl);
2823                 winfocus = head;
2824
2825                 /* skip iconics */
2826                 if (winfocus && winfocus->iconic) {
2827                         while (winfocus != cur_focus) {
2828                                 if (winfocus == NULL)
2829                                         winfocus = TAILQ_FIRST(wl);
2830                                 if (winfocus->iconic == 0)
2831                                         break;
2832                                 winfocus = TAILQ_NEXT(winfocus, entry);
2833                         }
2834                 }
2835                 break;
2836
2837         case SWM_ARG_ID_FOCUSMAIN:
2838                 winfocus = TAILQ_FIRST(wl);
2839                 if (winfocus == cur_focus)
2840                         winfocus = cur_focus->ws->focus_prev;
2841                 break;
2842
2843         default:
2844                 return;
2845         }
2846
2847         focus_magic(winfocus);
2848 }
2849
2850 void
2851 cycle_layout(struct swm_region *r, union arg *args)
2852 {
2853         struct workspace        *ws = r->ws;
2854         union arg               a;
2855
2856         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2857
2858         ws->cur_layout++;
2859         if (ws->cur_layout->l_stack == NULL)
2860                 ws->cur_layout = &layouts[0];
2861
2862         stack();
2863         if (focus_mode == SWM_FOCUS_DEFAULT)
2864                 drain_enter_notify();
2865         a.id = SWM_ARG_ID_FOCUSCUR;
2866         focus(r, &a);
2867 }
2868
2869 void
2870 stack_config(struct swm_region *r, union arg *args)
2871 {
2872         struct workspace        *ws = r->ws;
2873
2874         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
2875             args->id, ws->idx);
2876
2877         if (ws->cur_layout->l_config != NULL)
2878                 ws->cur_layout->l_config(ws, args->id);
2879
2880         if (args->id != SWM_ARG_ID_STACKINIT)
2881                 stack();
2882         bar_update();
2883 }
2884
2885 void
2886 stack(void) {
2887         struct swm_geometry     g;
2888         struct swm_region       *r;
2889         int                     i;
2890 #ifdef SWM_DEBUG
2891         int j;
2892 #endif
2893
2894         DNPRINTF(SWM_D_STACK, "stack: begin\n");
2895
2896         for (i = 0; i < ScreenCount(display); i++) {
2897 #ifdef SWM_DEBUG
2898                 j = 0;
2899 #endif
2900                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2901                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
2902                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
2903
2904                         /* start with screen geometry, adjust for bar */
2905                         g = r->g;
2906                         g.w -= 2 * border_width;
2907                         g.h -= 2 * border_width;
2908                         if (bar_enabled) {
2909                                 if (!bar_at_bottom)
2910                                         g.y += bar_height;
2911                                 g.h -= bar_height;
2912                         }
2913                         r->ws->cur_layout->l_stack(r->ws, &g);
2914                         r->ws->cur_layout->l_string(r->ws);
2915                         /* save r so we can track region changes */
2916                         r->ws->old_r = r;
2917                 }
2918         }
2919         if (font_adjusted)
2920                 font_adjusted--;
2921
2922         if (focus_mode == SWM_FOCUS_DEFAULT)
2923                 drain_enter_notify();
2924
2925         DNPRINTF(SWM_D_STACK, "stack: end\n");
2926 }
2927
2928 void
2929 store_float_geom(struct ws_win *win, struct swm_region *r)
2930 {
2931         /* retain window geom and region geom */
2932         win->g_float = win->g;
2933         win->rg_float = r->g;
2934         win->g_floatvalid = 1;
2935 }
2936
2937 void
2938 stack_floater(struct ws_win *win, struct swm_region *r)
2939 {
2940         unsigned int            mask;
2941         XWindowChanges          wc;
2942
2943         if (win == NULL)
2944                 return;
2945
2946         bzero(&wc, sizeof wc);
2947         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2948
2949         /*
2950          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2951          * geom on ws switches or return from max mode
2952          */
2953         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2954             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2955                 /*
2956                  * use stored g and rg to set relative position and size
2957                  * as in old region or before max stack mode
2958                  */
2959                 X(win) = win->g_float.x - win->rg_float.x + X(r);
2960                 Y(win) = win->g_float.y - win->rg_float.y + Y(r);
2961                 WIDTH(win) = win->g_float.w;
2962                 HEIGHT(win) = win->g_float.h;
2963                 win->g_floatvalid = 0;
2964         }
2965
2966         win->floatmaxed = 0;
2967
2968         if ((win->quirks & SWM_Q_FULLSCREEN) && (WIDTH(win) >= WIDTH(r)) &&
2969             (HEIGHT(win) >= HEIGHT(r)))
2970                 wc.border_width = 0;
2971         else
2972                 wc.border_width = border_width;
2973         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2974                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
2975                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
2976         }
2977
2978         if (!win->manual) {
2979                 /*
2980                  * floaters and transients are auto-centred unless moved
2981                  * or resized
2982                  */
2983                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - wc.border_width;
2984                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - wc.border_width;
2985         }
2986
2987         /* win can be outside r if new r smaller than old r */
2988         /* Ensure top left corner inside r (move probs otherwise) */
2989         if (X(win) < X(r) - wc.border_width)
2990                 X(win) = X(r) - wc.border_width;
2991         if (X(win) > X(r) + WIDTH(r) - 1)
2992                 X(win) = (WIDTH(win) > WIDTH(r)) ? X(r) :
2993                     (X(r) + WIDTH(r) - WIDTH(win) - 2 * wc.border_width);
2994         if (Y(win) < Y(r) - wc.border_width)
2995                 Y(win) = Y(r) - wc.border_width;
2996         if (Y(win) > Y(r) + HEIGHT(r) - 1)
2997                 Y(win) = (HEIGHT(win) > HEIGHT(r)) ? Y(r) :
2998                     (Y(r) + HEIGHT(r) - HEIGHT(win) - 2 * wc.border_width);
2999
3000         wc.x = X(win);
3001         wc.y = Y(win);
3002         wc.width = WIDTH(win);
3003         wc.height = HEIGHT(win);
3004
3005         /*
3006          * Retain floater and transient geometry for correct positioning
3007          * when ws changes region
3008          */
3009         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
3010                 store_float_geom(win, r);
3011
3012         DNPRINTF(SWM_D_MISC, "stack_floater: window: %lu, (x,y) w x h: (%d,%d) "
3013             "%d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
3014
3015         XConfigureWindow(display, win->id, mask, &wc);
3016 }
3017
3018 /*
3019  * Send keystrokes to terminal to decrease/increase the font size as the
3020  * window size changes.
3021  */
3022 void
3023 adjust_font(struct ws_win *win)
3024 {
3025         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3026             win->floating || win->transient)
3027                 return;
3028
3029         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3030             WIDTH(win) / win->sh.width_inc < term_width &&
3031             win->font_steps < SWM_MAX_FONT_STEPS) {
3032                 win->font_size_boundary[win->font_steps] =
3033                     (win->sh.width_inc * term_width) + win->sh.base_width;
3034                 win->font_steps++;
3035                 font_adjusted++;
3036                 win->last_inc = win->sh.width_inc;
3037                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3038         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3039             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3040                 win->font_steps--;
3041                 font_adjusted++;
3042                 win->last_inc = win->sh.width_inc;
3043                 fake_keypress(win, XK_KP_Add, ShiftMask);
3044         }
3045 }
3046
3047 #define SWAPXY(g)       do {                            \
3048         int tmp;                                        \
3049         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3050         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3051 } while (0)
3052 void
3053 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3054 {
3055         XWindowChanges          wc;
3056         XWindowAttributes       wa;
3057         struct swm_geometry     win_g, r_g = *g;
3058         struct ws_win           *win, *fs_win = 0;
3059         int                     i, j, s, stacks;
3060         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3061         int                     hrh, extra = 0, h_slice, last_h = 0;
3062         int                     split, colno, winno, mwin, msize, mscale;
3063         int                     remain, missing, v_slice, reconfigure;
3064         unsigned int            mask;
3065
3066         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3067             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3068
3069         winno = count_win(ws, 0);
3070         if (winno == 0 && count_win(ws, 1) == 0)
3071                 return;
3072
3073         TAILQ_FOREACH(win, &ws->winlist, entry)
3074                 if (win->transient == 0 && win->floating == 0
3075                     && win->iconic == 0)
3076                         break;
3077
3078         if (win == NULL)
3079                 goto notiles;
3080
3081         if (rot) {
3082                 w_inc = win->sh.width_inc;
3083                 w_base = win->sh.base_width;
3084                 mwin = ws->l_state.horizontal_mwin;
3085                 mscale = ws->l_state.horizontal_msize;
3086                 stacks = ws->l_state.horizontal_stacks;
3087                 SWAPXY(&r_g);
3088         } else {
3089                 w_inc = win->sh.height_inc;
3090                 w_base = win->sh.base_height;
3091                 mwin = ws->l_state.vertical_mwin;
3092                 mscale = ws->l_state.vertical_msize;
3093                 stacks = ws->l_state.vertical_stacks;
3094         }
3095         win_g = r_g;
3096
3097         if (stacks > winno - mwin)
3098                 stacks = winno - mwin;
3099         if (stacks < 1)
3100                 stacks = 1;
3101
3102         h_slice = r_g.h / SWM_H_SLICE;
3103         if (mwin && winno > mwin) {
3104                 v_slice = r_g.w / SWM_V_SLICE;
3105
3106                 split = mwin;
3107                 colno = split;
3108                 win_g.w = v_slice * mscale;
3109
3110                 if (w_inc > 1 && w_inc < v_slice) {
3111                         /* adjust for window's requested size increment */
3112                         remain = (win_g.w - w_base) % w_inc;
3113                         win_g.w -= remain;
3114                 }
3115
3116                 msize = win_g.w;
3117                 if (flip)
3118                         win_g.x += r_g.w - msize;
3119         } else {
3120                 msize = -2;
3121                 colno = split = winno / stacks;
3122                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3123                     2 * border_width) / stacks);
3124         }
3125         hrh = r_g.h / colno;
3126         extra = r_g.h - (colno * hrh);
3127         win_g.h = hrh - 2 * border_width;
3128
3129         /*  stack all the tiled windows */
3130         i = j = 0, s = stacks;
3131         TAILQ_FOREACH(win, &ws->winlist, entry) {
3132                 if (win->transient != 0 || win->floating != 0)
3133                         continue;
3134                 if (win->iconic != 0)
3135                         continue;
3136
3137                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3138                         fs_win = win;
3139                         continue;
3140                 }
3141
3142                 if (split && i == split) {
3143                         colno = (winno - mwin) / stacks;
3144                         if (s <= (winno - mwin) % stacks)
3145                                 colno++;
3146                         split = split + colno;
3147                         hrh = (r_g.h / colno);
3148                         extra = r_g.h - (colno * hrh);
3149                         if (flip)
3150                                 win_g.x = r_g.x;
3151                         else
3152                                 win_g.x += win_g.w + 2 * border_width;
3153                         win_g.w = (r_g.w - msize -
3154                             (stacks * 2 * border_width)) / stacks;
3155                         if (s == 1)
3156                                 win_g.w += (r_g.w - msize -
3157                                     (stacks * 2 * border_width)) % stacks;
3158                         s--;
3159                         j = 0;
3160                 }
3161                 win_g.h = hrh - 2 * border_width;
3162                 if (rot) {
3163                         h_inc = win->sh.width_inc;
3164                         h_base = win->sh.base_width;
3165                 } else {
3166                         h_inc = win->sh.height_inc;
3167                         h_base = win->sh.base_height;
3168                 }
3169                 if (j == colno - 1) {
3170                         win_g.h = hrh + extra;
3171                 } else if (h_inc > 1 && h_inc < h_slice) {
3172                         /* adjust for window's requested size increment */
3173                         remain = (win_g.h - h_base) % h_inc;
3174                         missing = h_inc - remain;
3175
3176                         if (missing <= extra || j == 0) {
3177                                 extra -= missing;
3178                                 win_g.h += missing;
3179                         } else {
3180                                 win_g.h -= remain;
3181                                 extra += remain;
3182                         }
3183                 }
3184
3185                 if (j == 0)
3186                         win_g.y = r_g.y;
3187                 else
3188                         win_g.y += last_h + 2 * border_width;
3189
3190                 bzero(&wc, sizeof wc);
3191                 if (disable_border && bar_enabled == 0 && winno == 1){
3192                         wc.border_width = 0;
3193                         win_g.w += 2 * border_width;
3194                         win_g.h += 2 * border_width;
3195                 } else
3196                         wc.border_width = border_width;
3197                 reconfigure = 0;
3198                 if (rot) {
3199                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3200                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3201                                 reconfigure = 1;
3202                                 X(win) = wc.x = win_g.y;
3203                                 Y(win) = wc.y = win_g.x;
3204                                 WIDTH(win) = wc.width = win_g.h;
3205                                 HEIGHT(win) = wc.height = win_g.w;
3206                         }
3207                 } else {
3208                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3209                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3210                                 reconfigure = 1;
3211                                 X(win) = wc.x = win_g.x;
3212                                 Y(win) = wc.y = win_g.y;
3213                                 WIDTH(win) = wc.width = win_g.w;
3214                                 HEIGHT(win) = wc.height = win_g.h;
3215                         }
3216                 }
3217                 if (reconfigure) {
3218                         adjust_font(win);
3219                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3220                         XConfigureWindow(display, win->id, mask, &wc);
3221                 }
3222
3223                 if (XGetWindowAttributes(display, win->id, &wa))
3224                         if (wa.map_state == IsUnmapped)
3225                                 XMapRaised(display, win->id);
3226
3227                 last_h = win_g.h;
3228                 i++;
3229                 j++;
3230         }
3231
3232 notiles:
3233         /* now, stack all the floaters and transients */
3234         TAILQ_FOREACH(win, &ws->winlist, entry) {
3235                 if (win->transient == 0 && win->floating == 0)
3236                         continue;
3237                 if (win->iconic == 1)
3238                         continue;
3239                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3240                         fs_win = win;
3241                         continue;
3242                 }
3243
3244                 stack_floater(win, ws->r);
3245                 XMapRaised(display, win->id);
3246         }
3247
3248         if (fs_win) {
3249                 stack_floater(fs_win, ws->r);
3250                 XMapRaised(display, fs_win->id);
3251         }
3252 }
3253
3254 void
3255 vertical_config(struct workspace *ws, int id)
3256 {
3257         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3258             id, ws->idx);
3259
3260         switch (id) {
3261         case SWM_ARG_ID_STACKRESET:
3262         case SWM_ARG_ID_STACKINIT:
3263                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3264                 ws->l_state.vertical_mwin = 1;
3265                 ws->l_state.vertical_stacks = 1;
3266                 break;
3267         case SWM_ARG_ID_MASTERSHRINK:
3268                 if (ws->l_state.vertical_msize > 1)
3269                         ws->l_state.vertical_msize--;
3270                 break;
3271         case SWM_ARG_ID_MASTERGROW:
3272                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3273                         ws->l_state.vertical_msize++;
3274                 break;
3275         case SWM_ARG_ID_MASTERADD:
3276                 ws->l_state.vertical_mwin++;
3277                 break;
3278         case SWM_ARG_ID_MASTERDEL:
3279                 if (ws->l_state.vertical_mwin > 0)
3280                         ws->l_state.vertical_mwin--;
3281                 break;
3282         case SWM_ARG_ID_STACKINC:
3283                 ws->l_state.vertical_stacks++;
3284                 break;
3285         case SWM_ARG_ID_STACKDEC:
3286                 if (ws->l_state.vertical_stacks > 1)
3287                         ws->l_state.vertical_stacks--;
3288                 break;
3289         case SWM_ARG_ID_FLIPLAYOUT:
3290                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3291                 break;
3292         default:
3293                 return;
3294         }
3295 }
3296
3297 void
3298 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3299 {
3300         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3301
3302         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3303 }
3304
3305 void
3306 horizontal_config(struct workspace *ws, int id)
3307 {
3308         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3309
3310         switch (id) {
3311         case SWM_ARG_ID_STACKRESET:
3312         case SWM_ARG_ID_STACKINIT:
3313                 ws->l_state.horizontal_mwin = 1;
3314                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3315                 ws->l_state.horizontal_stacks = 1;
3316                 break;
3317         case SWM_ARG_ID_MASTERSHRINK:
3318                 if (ws->l_state.horizontal_msize > 1)
3319                         ws->l_state.horizontal_msize--;
3320                 break;
3321         case SWM_ARG_ID_MASTERGROW:
3322                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3323                         ws->l_state.horizontal_msize++;
3324                 break;
3325         case SWM_ARG_ID_MASTERADD:
3326                 ws->l_state.horizontal_mwin++;
3327                 break;
3328         case SWM_ARG_ID_MASTERDEL:
3329                 if (ws->l_state.horizontal_mwin > 0)
3330                         ws->l_state.horizontal_mwin--;
3331                 break;
3332         case SWM_ARG_ID_STACKINC:
3333                 ws->l_state.horizontal_stacks++;
3334                 break;
3335         case SWM_ARG_ID_STACKDEC:
3336                 if (ws->l_state.horizontal_stacks > 1)
3337                         ws->l_state.horizontal_stacks--;
3338                 break;
3339         case SWM_ARG_ID_FLIPLAYOUT:
3340                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3341                 break;
3342         default:
3343                 return;
3344         }
3345 }
3346
3347 void
3348 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3349 {
3350         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3351
3352         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3353 }
3354
3355 /* fullscreen view */
3356 void
3357 max_stack(struct workspace *ws, struct swm_geometry *g)
3358 {
3359         XWindowChanges          wc;
3360         struct swm_geometry     gg = *g;
3361         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3362         unsigned int            mask;
3363         int                     winno;
3364
3365         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3366
3367         if (ws == NULL)
3368                 return;
3369
3370         winno = count_win(ws, 0);
3371         if (winno == 0 && count_win(ws, 1) == 0)
3372                 return;
3373
3374         TAILQ_FOREACH(win, &ws->winlist, entry) {
3375                 if (win->transient) {
3376                         wintrans = win;
3377                         parent = find_window(win->transient);
3378                         continue;
3379                 }
3380
3381                 if (win->floating && win->floatmaxed == 0 ) {
3382                         /*
3383                          * retain geometry for retrieval on exit from
3384                          * max_stack mode
3385                          */
3386                         store_float_geom(win, ws->r);
3387                         win->floatmaxed = 1;
3388                 }
3389
3390                 /* only reconfigure if necessary */
3391                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3392                     HEIGHT(win) != gg.h) {
3393                         bzero(&wc, sizeof wc);
3394                         X(win) = wc.x = gg.x;
3395                         Y(win) = wc.y = gg.y;
3396                         if (bar_enabled){
3397                                 wc.border_width = border_width;
3398                                 WIDTH(win) = wc.width = gg.w;
3399                                 HEIGHT(win) = wc.height = gg.h;
3400                         } else {
3401                                 wc.border_width = 0;
3402                                 WIDTH(win) = wc.width = gg.w + 2 * border_width;
3403                                 HEIGHT(win) = wc.height = gg.h +
3404                                     2 * border_width;
3405                         }
3406                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3407                         XConfigureWindow(display, win->id, mask, &wc);
3408                 }
3409                 /* unmap only if we don't have multi screen */
3410                 if (win != ws->focus)
3411                         if (!(ScreenCount(display) > 1 || outputs > 1))
3412                                 unmap_window(win);
3413         }
3414
3415         /* put the last transient on top */
3416         if (wintrans) {
3417                 if (parent)
3418                         XMapRaised(display, parent->id);
3419                 stack_floater(wintrans, ws->r);
3420                 focus_magic(wintrans);
3421         }
3422 }
3423
3424 void
3425 send_to_ws(struct swm_region *r, union arg *args)
3426 {
3427         int                     wsid = args->id;
3428         struct ws_win           *win = NULL, *parent;
3429         struct workspace        *ws, *nws;
3430         Atom                    ws_idx_atom = 0;
3431         unsigned char           ws_idx_str[SWM_PROPLEN];
3432         union arg               a;
3433
3434         if (wsid >= workspace_limit)
3435                 return;
3436
3437         if (r && r->ws && r->ws->focus)
3438                 win = r->ws->focus;
3439         else
3440                 return;
3441         if (win == NULL)
3442                 return;
3443         if (win->ws->idx == wsid)
3444                 return;
3445
3446         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3447
3448         ws = win->ws;
3449         nws = &win->s->ws[wsid];
3450
3451         a.id = SWM_ARG_ID_FOCUSPREV;
3452         focus(r, &a);
3453         if (win->transient) {
3454                 parent = find_window(win->transient);
3455                 if (parent) {
3456                         unmap_window(parent);
3457                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3458                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3459                         parent->ws = nws;
3460                 }
3461         }
3462         unmap_window(win);
3463         TAILQ_REMOVE(&ws->winlist, win, entry);
3464         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3465         if (TAILQ_EMPTY(&ws->winlist))
3466                 r->ws->focus = NULL;
3467         win->ws = nws;
3468
3469         /* Try to update the window's workspace property */
3470         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3471         if (ws_idx_atom &&
3472             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3473                 SWM_PROPLEN) {
3474                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3475                     ws_idx_str);
3476                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3477                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
3478         }
3479
3480         stack();
3481         bar_update();
3482 }
3483
3484 void
3485 pressbutton(struct swm_region *r, union arg *args)
3486 {
3487         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3488         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3489 }
3490
3491 void
3492 raise_toggle(struct swm_region *r, union arg *args)
3493 {
3494         if (r == NULL || r->ws == NULL)
3495                 return;
3496
3497         r->ws->always_raise = !r->ws->always_raise;
3498
3499         /* bring floaters back to top */
3500         if (r->ws->always_raise == 0)
3501                 stack();
3502 }
3503
3504 void
3505 iconify(struct swm_region *r, union arg *args)
3506 {
3507         union arg a;
3508
3509         if (r->ws->focus == NULL)
3510                 return;
3511         unmap_window(r->ws->focus);
3512         update_iconic(r->ws->focus, 1);
3513         stack();
3514         if (focus_mode == SWM_FOCUS_DEFAULT)
3515                 drain_enter_notify();
3516         r->ws->focus = NULL;
3517         a.id = SWM_ARG_ID_FOCUSCUR;
3518         focus(r, &a);
3519 }
3520
3521 unsigned char *
3522 get_win_name(Window win)
3523 {
3524         unsigned char           *prop = NULL;
3525         unsigned long           nbytes, nitems;
3526
3527         /* try _NET_WM_NAME first */
3528         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3529             &prop)) {
3530                 XFree(prop);
3531                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3532                     &nitems, NULL, &prop))
3533                         return (prop);
3534         }
3535
3536         /* fallback to WM_NAME */
3537         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3538                 return (NULL);
3539         XFree(prop);
3540         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3541                 return (prop);
3542
3543         return (NULL);
3544 }
3545
3546 void
3547 uniconify(struct swm_region *r, union arg *args)
3548 {
3549         struct ws_win           *win;
3550         FILE                    *lfile;
3551         unsigned char           *name;
3552         int                     count = 0;
3553
3554         DNPRINTF(SWM_D_MISC, "uniconify\n");
3555
3556         if (r == NULL || r->ws == NULL)
3557                 return;
3558
3559         /* make sure we have anything to uniconify */
3560         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3561                 if (win->ws == NULL)
3562                         continue; /* should never happen */
3563                 if (win->iconic == 0)
3564                         continue;
3565                 count++;
3566         }
3567         if (count == 0)
3568                 return;
3569
3570         search_r = r;
3571         search_resp_action = SWM_SEARCH_UNICONIFY;
3572
3573         spawn_select(r, args, "search", &searchpid);
3574
3575         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3576                 return;
3577
3578         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3579                 if (win->ws == NULL)
3580                         continue; /* should never happen */
3581                 if (win->iconic == 0)
3582                         continue;
3583
3584                 name = get_win_name(win->id);
3585                 if (name == NULL)
3586                         continue;
3587                 fprintf(lfile, "%s.%lu\n", name, win->id);
3588                 XFree(name);
3589         }
3590
3591         fclose(lfile);
3592 }
3593
3594 void
3595 name_workspace(struct swm_region *r, union arg *args)
3596 {
3597         FILE                    *lfile;
3598
3599         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3600
3601         if (r == NULL)
3602                 return;
3603
3604         search_r = r;
3605         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3606
3607         spawn_select(r, args, "name_workspace", &searchpid);
3608
3609         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3610                 return;
3611
3612         fprintf(lfile, "%s", "");
3613         fclose(lfile);
3614 }
3615
3616 void
3617 search_workspace(struct swm_region *r, union arg *args)
3618 {
3619         int                     i;
3620         struct workspace        *ws;
3621         FILE                    *lfile;
3622
3623         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3624
3625         if (r == NULL)
3626                 return;
3627
3628         search_r = r;
3629         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3630
3631         spawn_select(r, args, "search", &searchpid);
3632
3633         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3634                 return;
3635
3636         for (i = 0; i < workspace_limit; i++) {
3637                 ws = &r->s->ws[i];
3638                 if (ws == NULL)
3639                         continue;
3640                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3641                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3642         }
3643
3644         fclose(lfile);
3645 }
3646
3647 void
3648 search_win_cleanup(void)
3649 {
3650         struct search_window    *sw = NULL;
3651
3652         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3653                 XDestroyWindow(display, sw->indicator);
3654                 XFreeGC(display, sw->gc);
3655                 TAILQ_REMOVE(&search_wl, sw, entry);
3656                 free(sw);
3657         }
3658 }
3659
3660 void
3661 search_win(struct swm_region *r, union arg *args)
3662 {
3663         struct ws_win           *win = NULL;
3664         struct search_window    *sw = NULL;
3665         Window                  w;
3666         XGCValues               gcv;
3667         int                     i;
3668         char                    s[8];
3669         FILE                    *lfile;
3670         size_t                  len;
3671         XRectangle              ibox, lbox;
3672
3673         DNPRINTF(SWM_D_MISC, "search_win\n");
3674
3675         search_r = r;
3676         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3677
3678         spawn_select(r, args, "search", &searchpid);
3679
3680         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3681                 return;
3682
3683         TAILQ_INIT(&search_wl);
3684
3685         i = 1;
3686         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3687                 if (win->iconic == 1)
3688                         continue;
3689
3690                 sw = calloc(1, sizeof(struct search_window));
3691                 if (sw == NULL) {
3692                         warn("search_win: calloc");
3693                         fclose(lfile);
3694                         search_win_cleanup();
3695                         return;
3696                 }
3697                 sw->idx = i;
3698                 sw->win = win;
3699
3700                 snprintf(s, sizeof s, "%d", i);
3701                 len = strlen(s);
3702
3703                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3704
3705                 w = XCreateSimpleWindow(display,
3706                     win->id, 0, 0,lbox.width + 4,
3707                     bar_fs_extents->max_logical_extent.height, 1,
3708                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3709                     r->s->c[SWM_S_COLOR_FOCUS].color);
3710
3711                 sw->indicator = w;
3712                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3713
3714                 sw->gc = XCreateGC(display, w, 0, &gcv);
3715                 XMapRaised(display, w);
3716                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3717
3718                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3719                     (bar_fs_extents->max_logical_extent.height -
3720                     lbox.height) / 2 - lbox.y, s, len);
3721
3722                 fprintf(lfile, "%d\n", i);
3723                 i++;
3724         }
3725
3726         fclose(lfile);
3727 }
3728
3729 void
3730 search_resp_uniconify(char *resp, unsigned long len)
3731 {
3732         unsigned char           *name;
3733         struct ws_win           *win;
3734         char                    *s;
3735
3736         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3737
3738         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3739                 if (win->iconic == 0)
3740                         continue;
3741                 name = get_win_name(win->id);
3742                 if (name == NULL)
3743                         continue;
3744                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3745                         XFree(name);
3746                         continue;
3747                 }
3748                 XFree(name);
3749                 if (strncmp(s, resp, len) == 0) {
3750                         /* XXX this should be a callback to generalize */
3751                         update_iconic(win, 0);
3752                         free(s);
3753                         break;
3754                 }
3755                 free(s);
3756         }
3757 }
3758
3759 void
3760 search_resp_name_workspace(char *resp, unsigned long len)
3761 {
3762         struct workspace        *ws;
3763
3764         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3765
3766         if (search_r->ws == NULL)
3767                 return;
3768         ws = search_r->ws;
3769
3770         if (ws->name) {
3771                 free(search_r->ws->name);
3772                 search_r->ws->name = NULL;
3773         }
3774
3775         if (len > 1) {
3776                 ws->name = strdup(resp);
3777                 if (ws->name == NULL) {
3778                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3779                             "strdup: %s", strerror(errno));
3780                         return;
3781                 }
3782         }
3783 }
3784
3785 void
3786 search_resp_search_workspace(char *resp, unsigned long len)
3787 {
3788         char                    *p, *q;
3789         int                     ws_idx;
3790         const char              *errstr;
3791         union arg               a;
3792
3793         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3794
3795         q = strdup(resp);
3796         if (!q) {
3797                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3798                     strerror(errno));
3799                 return;
3800         }
3801         p = strchr(q, ':');
3802         if (p != NULL)
3803                 *p = '\0';
3804         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3805         if (errstr) {
3806                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3807                     errstr, q);
3808                 free(q);
3809                 return;
3810         }
3811         free(q);
3812         a.id = ws_idx - 1;
3813         switchws(search_r, &a);
3814 }
3815
3816 void
3817 search_resp_search_window(char *resp, unsigned long len)
3818 {
3819         char                    *s;
3820         int                     idx;
3821         const char              *errstr;
3822         struct search_window    *sw;
3823
3824         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3825
3826         s = strdup(resp);
3827         if (!s) {
3828                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3829                     strerror(errno));
3830                 return;
3831         }
3832
3833         idx = strtonum(s, 1, INT_MAX, &errstr);
3834         if (errstr) {
3835                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3836                     errstr, s);
3837                 free(s);
3838                 return;
3839         }
3840         free(s);
3841
3842         TAILQ_FOREACH(sw, &search_wl, entry)
3843                 if (idx == sw->idx) {
3844                         focus_win(sw->win);
3845                         break;
3846                 }
3847 }
3848
3849 #define MAX_RESP_LEN    1024
3850
3851 void
3852 search_do_resp(void)
3853 {
3854         ssize_t                 rbytes;
3855         char                    *resp;
3856         unsigned long           len;
3857
3858         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3859
3860         search_resp = 0;
3861         searchpid = 0;
3862
3863         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3864                 warn("search: calloc");
3865                 goto done;
3866         }
3867
3868         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3869         if (rbytes <= 0) {
3870                 warn("search: read error");
3871                 goto done;
3872         }
3873         resp[rbytes] = '\0';
3874
3875         /* XXX:
3876          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3877          * newline, so work around that by sanitizing the resp now.
3878          */
3879         resp[strcspn(resp, "\n")] = '\0';
3880         len = strlen(resp);
3881
3882         switch (search_resp_action) {
3883         case SWM_SEARCH_UNICONIFY:
3884                 search_resp_uniconify(resp, len);
3885                 break;
3886         case SWM_SEARCH_NAME_WORKSPACE:
3887                 search_resp_name_workspace(resp, len);
3888                 break;
3889         case SWM_SEARCH_SEARCH_WORKSPACE:
3890                 search_resp_search_workspace(resp, len);
3891                 break;
3892         case SWM_SEARCH_SEARCH_WINDOW:
3893                 search_resp_search_window(resp, len);
3894                 break;
3895         }
3896
3897 done:
3898         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
3899                 search_win_cleanup();
3900
3901         search_resp_action = SWM_SEARCH_NONE;
3902         close(select_resp_pipe[0]);
3903         free(resp);
3904 }
3905
3906 void
3907 wkill(struct swm_region *r, union arg *args)
3908 {
3909         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
3910
3911         if (r->ws->focus == NULL)
3912                 return;
3913
3914         if (args->id == SWM_ARG_ID_KILLWINDOW)
3915                 XKillClient(display, r->ws->focus->id);
3916         else
3917                 if (r->ws->focus->can_delete)
3918                         client_msg(r->ws->focus, adelete);
3919 }
3920
3921
3922 int
3923 floating_toggle_win(struct ws_win *win)
3924 {
3925         struct swm_region       *r;
3926
3927         if (win == NULL)
3928                 return (0);
3929
3930         if (!win->ws->r)
3931                 return (0);
3932
3933         r = win->ws->r;
3934
3935         /* reject floating toggles in max stack mode */
3936         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3937                 return (0);
3938
3939         if (win->floating) {
3940                 if (!win->floatmaxed) {
3941                         /* retain position for refloat */
3942                         store_float_geom(win, r);
3943                 }
3944                 win->floating = 0;
3945         } else {
3946                 if (win->g_floatvalid) {
3947                         /* refloat at last floating relative position */
3948                         X(win) = win->g_float.x - win->rg_float.x + X(r);
3949                         Y(win) = win->g_float.y - win->rg_float.y + Y(r);
3950                         WIDTH(win) = win->g_float.w;
3951                         HEIGHT(win) = win->g_float.h;
3952                 }
3953                 win->floating = 1;
3954         }
3955
3956         ewmh_update_actions(win);
3957
3958         return (1);
3959 }
3960
3961 void
3962 floating_toggle(struct swm_region *r, union arg *args)
3963 {
3964         struct ws_win           *win = r->ws->focus;
3965         union arg               a;
3966
3967         if (win == NULL)
3968                 return;
3969
3970         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3971             _NET_WM_STATE_TOGGLE);
3972
3973         stack();
3974         if (focus_mode == SWM_FOCUS_DEFAULT)
3975                 drain_enter_notify();
3976
3977         if (win == win->ws->focus) {
3978                 a.id = SWM_ARG_ID_FOCUSCUR;
3979                 focus(win->ws->r, &a);
3980         }
3981 }
3982
3983 void
3984 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
3985 {
3986         if (X(win) + WIDTH(win) > X(r) + WIDTH(r) - border_width) {
3987                 if (resizable)
3988                         WIDTH(win) = X(r) + WIDTH(r) - X(win) - border_width;
3989                 else
3990                         X(win) = X(r) + WIDTH(r) - WIDTH(win) - border_width;
3991         }
3992
3993         if (X(win) < X(r) - border_width) {
3994                 if (resizable)
3995                         WIDTH(win) -= X(r) - X(win) - border_width;
3996
3997                 X(win) = X(r) - border_width;
3998         }
3999
4000         if (Y(win) + HEIGHT(win) > Y(r) + HEIGHT(r) - border_width) {
4001                 if (resizable)
4002                         HEIGHT(win) = Y(r) + HEIGHT(r) - Y(win) - border_width;
4003                 else
4004                         Y(win) = Y(r) + HEIGHT(r) - HEIGHT(win) - border_width;
4005         }
4006
4007         if (Y(win) < Y(r) - border_width) {
4008                 if (resizable)
4009                         HEIGHT(win) -= Y(r) - Y(win) - border_width;
4010
4011                 Y(win) = Y(r) - border_width;
4012         }
4013
4014         if (WIDTH(win) < 1)
4015                 WIDTH(win) = 1;
4016         if (HEIGHT(win) < 1)
4017                 HEIGHT(win) = 1;
4018 }
4019
4020 void
4021 update_window(struct ws_win *win)
4022 {
4023         unsigned int            mask;
4024         XWindowChanges          wc;
4025
4026         bzero(&wc, sizeof wc);
4027         mask = CWBorderWidth | CWWidth | CWHeight | CWX | CWY;
4028         wc.border_width = border_width;
4029         wc.x = X(win);
4030         wc.y = Y(win);
4031         wc.width = WIDTH(win);
4032         wc.height = HEIGHT(win);
4033
4034         DNPRINTF(SWM_D_MISC, "update_window: window: 0x%lx, (x,y) w x h: "
4035             "(%d,%d) %d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
4036
4037         XConfigureWindow(display, win->id, mask, &wc);
4038 }
4039
4040 #define SWM_RESIZE_STEPS        (50)
4041
4042 void
4043 resize(struct ws_win *win, union arg *args)
4044 {
4045         XEvent                  ev;
4046         Time                    time = 0;
4047         struct swm_region       *r = NULL;
4048         int                     resize_step = 0;
4049         Window                  rr, cr;
4050         int                     x, y, wx, wy;
4051         unsigned int            mask;
4052         struct swm_geometry     g;
4053         int                     top = 0, left = 0;
4054         int                     dx, dy;
4055         Cursor                  cursor;
4056         unsigned int            shape; /* cursor style */
4057
4058         if (win == NULL)
4059                 return;
4060         r = win->ws->r;
4061
4062         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
4063             "transient: 0x%lx\n", win->id, YESNO(win->floating),
4064             win->transient);
4065
4066         if (!(win->transient != 0 || win->floating != 0))
4067                 return;
4068
4069         /* reject resizes in max mode for floaters (transient ok) */
4070         if (win->floatmaxed)
4071                 return;
4072
4073         win->manual = 1;
4074         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4075             _NET_WM_STATE_ADD);
4076
4077         stack();
4078
4079         switch (args->id) {
4080         case SWM_ARG_ID_WIDTHSHRINK:
4081                 WIDTH(win) -= SWM_RESIZE_STEPS;
4082                 resize_step = 1;
4083                 break;
4084         case SWM_ARG_ID_WIDTHGROW:
4085                 WIDTH(win) += SWM_RESIZE_STEPS;
4086                 resize_step = 1;
4087                 break;
4088         case SWM_ARG_ID_HEIGHTSHRINK:
4089                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4090                 resize_step = 1;
4091                 break;
4092         case SWM_ARG_ID_HEIGHTGROW:
4093                 HEIGHT(win) += SWM_RESIZE_STEPS;
4094                 resize_step = 1;
4095                 break;
4096         default:
4097                 break;
4098         }
4099         if (resize_step) {
4100                 constrain_window(win, r, 1);
4101                 update_window(win);
4102                 store_float_geom(win,r);
4103                 return;
4104         }
4105
4106         if (focus_mode == SWM_FOCUS_DEFAULT)
4107                 drain_enter_notify();
4108
4109         /* get cursor offset from window root */
4110         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4111             return;
4112
4113         g = win->g;
4114
4115         if (wx < WIDTH(win) / 2)
4116                 left = 1;
4117
4118         if (wy < HEIGHT(win) / 2)
4119                 top = 1;
4120
4121         if (args->id == SWM_ARG_ID_CENTER)
4122                 shape = XC_sizing;
4123         else if (top)
4124                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4125         else
4126                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4127
4128         cursor = XCreateFontCursor(display, shape);
4129
4130         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4131             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4132                 XFreeCursor(display, cursor);
4133                 return;
4134         }
4135
4136         do {
4137                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4138                     SubstructureRedirectMask, &ev);
4139                 switch (ev.type) {
4140                 case ConfigureRequest:
4141                 case Expose:
4142                 case MapRequest:
4143                         handler[ev.type](&ev);
4144                         break;
4145                 case MotionNotify:
4146                         /* cursor offset/delta from start of the operation */
4147                         dx = ev.xmotion.x_root - x;
4148                         dy = ev.xmotion.y_root - y;
4149
4150                         /* vertical */
4151                         if (top)
4152                                 dy = -dy;
4153
4154                         if (args->id == SWM_ARG_ID_CENTER) {
4155                                 if (g.h / 2 + dy < 1)
4156                                         dy = 1 - g.h / 2;
4157
4158                                 Y(win) = g.y - dy;
4159                                 HEIGHT(win) = g.h + 2 * dy;
4160                         } else {
4161                                 if (g.h + dy < 1)
4162                                         dy = 1 - g.h;
4163
4164                                 if (top)
4165                                         Y(win) = g.y - dy;
4166
4167                                 HEIGHT(win) = g.h + dy;
4168                         }
4169
4170                         /* horizontal */
4171                         if (left)
4172                                 dx = -dx;
4173
4174                         if (args->id == SWM_ARG_ID_CENTER) {
4175                                 if (g.w / 2 + dx < 1)
4176                                         dx = 1 - g.w / 2;
4177
4178                                 X(win) = g.x - dx;
4179                                 WIDTH(win) = g.w + 2 * dx;
4180                         } else {
4181                                 if (g.w + dx < 1)
4182                                         dx = 1 - g.w;
4183
4184                                 if (left)
4185                                         X(win) = g.x - dx;
4186
4187                                 WIDTH(win) = g.w + dx;
4188                         }
4189
4190                         constrain_window(win, r, 1);
4191
4192                         /* not free, don't sync more than 120 times / second */
4193                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4194                                 time = ev.xmotion.time;
4195                                 XSync(display, False);
4196                                 update_window(win);
4197                         }
4198                         break;
4199                 }
4200         } while (ev.type != ButtonRelease);
4201         if (time) {
4202                 XSync(display, False);
4203                 update_window(win);
4204         }
4205         store_float_geom(win,r);
4206
4207         XUngrabPointer(display, CurrentTime);
4208         XFreeCursor(display, cursor);
4209
4210         /* drain events */
4211         drain_enter_notify();
4212 }
4213
4214 void
4215 resize_step(struct swm_region *r, union arg *args)
4216 {
4217         struct ws_win           *win = NULL;
4218
4219         if (r && r->ws && r->ws->focus)
4220                 win = r->ws->focus;
4221         else
4222                 return;
4223
4224         resize(win, args);
4225 }
4226
4227 #define SWM_MOVE_STEPS  (50)
4228
4229 void
4230 move(struct ws_win *win, union arg *args)
4231 {
4232         XEvent                  ev;
4233         Time                    time = 0;
4234         int                     move_step = 0;
4235         struct swm_region       *r = NULL;
4236
4237         Window                  rr, cr;
4238         int                     x, y, wx, wy;
4239         unsigned int            mask;
4240
4241         if (win == NULL)
4242                 return;
4243         r = win->ws->r;
4244
4245         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4246             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4247
4248         /* in max_stack mode should only move transients */
4249         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4250                 return;
4251
4252         win->manual = 1;
4253         if (win->floating == 0 && !win->transient) {
4254                 store_float_geom(win,r);
4255                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4256                     _NET_WM_STATE_ADD);
4257         }
4258         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4259             _NET_WM_STATE_ADD);
4260
4261         stack();
4262
4263         move_step = 0;
4264         switch (args->id) {
4265         case SWM_ARG_ID_MOVELEFT:
4266                 X(win) -= (SWM_MOVE_STEPS - border_width);
4267                 move_step = 1;
4268                 break;
4269         case SWM_ARG_ID_MOVERIGHT:
4270                 X(win) += (SWM_MOVE_STEPS - border_width);
4271                 move_step = 1;
4272                 break;
4273         case SWM_ARG_ID_MOVEUP:
4274                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4275                 move_step = 1;
4276                 break;
4277         case SWM_ARG_ID_MOVEDOWN:
4278                 Y(win) += (SWM_MOVE_STEPS - border_width);
4279                 move_step = 1;
4280                 break;
4281         default:
4282                 break;
4283         }
4284         if (move_step) {
4285                 constrain_window(win, r, 0);
4286                 update_window(win);
4287                 store_float_geom(win, r);
4288                 return;
4289         }
4290
4291         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4292             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4293             CurrentTime) != GrabSuccess)
4294                 return;
4295
4296         /* get cursor offset from window root */
4297         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4298             return;
4299
4300         do {
4301                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4302                     SubstructureRedirectMask, &ev);
4303                 switch (ev.type) {
4304                 case ConfigureRequest:
4305                 case Expose:
4306                 case MapRequest:
4307                         handler[ev.type](&ev);
4308                         break;
4309                 case MotionNotify:
4310                         X(win) = ev.xmotion.x_root - wx - border_width;
4311                         Y(win) = ev.xmotion.y_root - wy - border_width;
4312
4313                         constrain_window(win, r, 0);
4314
4315                         /* not free, don't sync more than 120 times / second */
4316                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4317                                 time = ev.xmotion.time;
4318                                 XSync(display, False);
4319                                 update_window(win);
4320                         }
4321                         break;
4322                 }
4323         } while (ev.type != ButtonRelease);
4324         if (time) {
4325                 XSync(display, False);
4326                 update_window(win);
4327         }
4328         store_float_geom(win,r);
4329         XUngrabPointer(display, CurrentTime);
4330
4331         /* drain events */
4332         drain_enter_notify();
4333 }
4334
4335 void
4336 move_step(struct swm_region *r, union arg *args)
4337 {
4338         struct ws_win           *win = NULL;
4339
4340         if (r && r->ws && r->ws->focus)
4341                 win = r->ws->focus;
4342         else
4343                 return;
4344
4345         if (!(win->transient != 0 || win->floating != 0))
4346                 return;
4347
4348         move(win, args);
4349 }
4350
4351
4352 /* user/key callable function IDs */
4353 enum keyfuncid {
4354         kf_cycle_layout,
4355         kf_flip_layout,
4356         kf_stack_reset,
4357         kf_master_shrink,
4358         kf_master_grow,
4359         kf_master_add,
4360         kf_master_del,
4361         kf_stack_inc,
4362         kf_stack_dec,
4363         kf_swap_main,
4364         kf_focus_next,
4365         kf_focus_prev,
4366         kf_swap_next,
4367         kf_swap_prev,
4368         kf_spawn_term,
4369         kf_spawn_menu,
4370         kf_quit,
4371         kf_restart,
4372         kf_focus_main,
4373         kf_ws_1,
4374         kf_ws_2,
4375         kf_ws_3,
4376         kf_ws_4,
4377         kf_ws_5,
4378         kf_ws_6,
4379         kf_ws_7,
4380         kf_ws_8,
4381         kf_ws_9,
4382         kf_ws_10,
4383         kf_ws_11,
4384         kf_ws_12,
4385         kf_ws_13,
4386         kf_ws_14,
4387         kf_ws_15,
4388         kf_ws_16,
4389         kf_ws_17,
4390         kf_ws_18,
4391         kf_ws_19,
4392         kf_ws_20,
4393         kf_ws_21,
4394         kf_ws_22,
4395         kf_ws_next,
4396         kf_ws_prev,
4397         kf_ws_next_all,
4398         kf_ws_prev_all,
4399         kf_ws_prior,
4400         kf_screen_next,
4401         kf_screen_prev,
4402         kf_mvws_1,
4403         kf_mvws_2,
4404         kf_mvws_3,
4405         kf_mvws_4,
4406         kf_mvws_5,
4407         kf_mvws_6,
4408         kf_mvws_7,
4409         kf_mvws_8,
4410         kf_mvws_9,
4411         kf_mvws_10,
4412         kf_mvws_11,
4413         kf_mvws_12,
4414         kf_mvws_13,
4415         kf_mvws_14,
4416         kf_mvws_15,
4417         kf_mvws_16,
4418         kf_mvws_17,
4419         kf_mvws_18,
4420         kf_mvws_19,
4421         kf_mvws_20,
4422         kf_mvws_21,
4423         kf_mvws_22,
4424         kf_bar_toggle,
4425         kf_wind_kill,
4426         kf_wind_del,
4427         kf_screenshot_all,
4428         kf_screenshot_wind,
4429         kf_float_toggle,
4430         kf_version,
4431         kf_spawn_lock,
4432         kf_spawn_initscr,
4433         kf_spawn_custom,
4434         kf_iconify,
4435         kf_uniconify,
4436         kf_raise_toggle,
4437         kf_button2,
4438         kf_width_shrink,
4439         kf_width_grow,
4440         kf_height_shrink,
4441         kf_height_grow,
4442         kf_move_left,
4443         kf_move_right,
4444         kf_move_up,
4445         kf_move_down,
4446         kf_name_workspace,
4447         kf_search_workspace,
4448         kf_search_win,
4449         kf_dumpwins, /* MUST BE LAST */
4450         kf_invalid
4451 };
4452
4453 /* key definitions */
4454 void
4455 dummykeyfunc(struct swm_region *r, union arg *args)
4456 {
4457 };
4458
4459 void
4460 legacyfunc(struct swm_region *r, union arg *args)
4461 {
4462 };
4463
4464 struct keyfunc {
4465         char                    name[SWM_FUNCNAME_LEN];
4466         void                    (*func)(struct swm_region *r, union arg *);
4467         union arg               args;
4468 } keyfuncs[kf_invalid + 1] = {
4469         /* name                 function        argument */
4470         { "cycle_layout",       cycle_layout,   {0} },
4471         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4472         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4473         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4474         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4475         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4476         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4477         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4478         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4479         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4480         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4481         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4482         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4483         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4484         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
4485         { "spawn_menu",         legacyfunc,     {0} },
4486         { "quit",               quit,           {0} },
4487         { "restart",            restart,        {0} },
4488         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4489         { "ws_1",               switchws,       {.id = 0} },
4490         { "ws_2",               switchws,       {.id = 1} },
4491         { "ws_3",               switchws,       {.id = 2} },
4492         { "ws_4",               switchws,       {.id = 3} },
4493         { "ws_5",               switchws,       {.id = 4} },
4494         { "ws_6",               switchws,       {.id = 5} },
4495         { "ws_7",               switchws,       {.id = 6} },
4496         { "ws_8",               switchws,       {.id = 7} },
4497         { "ws_9",               switchws,       {.id = 8} },
4498         { "ws_10",              switchws,       {.id = 9} },
4499         { "ws_11",              switchws,       {.id = 10} },
4500         { "ws_12",              switchws,       {.id = 11} },
4501         { "ws_13",              switchws,       {.id = 12} },
4502         { "ws_14",              switchws,       {.id = 13} },
4503         { "ws_15",              switchws,       {.id = 14} },
4504         { "ws_16",              switchws,       {.id = 15} },
4505         { "ws_17",              switchws,       {.id = 16} },
4506         { "ws_18",              switchws,       {.id = 17} },
4507         { "ws_19",              switchws,       {.id = 18} },
4508         { "ws_20",              switchws,       {.id = 19} },
4509         { "ws_21",              switchws,       {.id = 20} },
4510         { "ws_22",              switchws,       {.id = 21} },
4511         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4512         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4513         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4514         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4515         { "ws_prior",           priorws,        {0} },
4516         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4517         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4518         { "mvws_1",             send_to_ws,     {.id = 0} },
4519         { "mvws_2",             send_to_ws,     {.id = 1} },
4520         { "mvws_3",             send_to_ws,     {.id = 2} },
4521         { "mvws_4",             send_to_ws,     {.id = 3} },
4522         { "mvws_5",             send_to_ws,     {.id = 4} },
4523         { "mvws_6",             send_to_ws,     {.id = 5} },
4524         { "mvws_7",             send_to_ws,     {.id = 6} },
4525         { "mvws_8",             send_to_ws,     {.id = 7} },
4526         { "mvws_9",             send_to_ws,     {.id = 8} },
4527         { "mvws_10",            send_to_ws,     {.id = 9} },
4528         { "mvws_11",            send_to_ws,     {.id = 10} },
4529         { "mvws_12",            send_to_ws,     {.id = 11} },
4530         { "mvws_13",            send_to_ws,     {.id = 12} },
4531         { "mvws_14",            send_to_ws,     {.id = 13} },
4532         { "mvws_15",            send_to_ws,     {.id = 14} },
4533         { "mvws_16",            send_to_ws,     {.id = 15} },
4534         { "mvws_17",            send_to_ws,     {.id = 16} },
4535         { "mvws_18",            send_to_ws,     {.id = 17} },
4536         { "mvws_19",            send_to_ws,     {.id = 18} },
4537         { "mvws_20",            send_to_ws,     {.id = 19} },
4538         { "mvws_21",            send_to_ws,     {.id = 20} },
4539         { "mvws_22",            send_to_ws,     {.id = 21} },
4540         { "bar_toggle",         bar_toggle,     {0} },
4541         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4542         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4543         { "screenshot_all",     legacyfunc,     {0} },
4544         { "screenshot_wind",    legacyfunc,     {0} },
4545         { "float_toggle",       floating_toggle,{0} },
4546         { "version",            version,        {0} },
4547         { "spawn_lock",         legacyfunc,     {0} },
4548         { "spawn_initscr",      legacyfunc,     {0} },
4549         { "spawn_custom",       dummykeyfunc,   {0} },
4550         { "iconify",            iconify,        {0} },
4551         { "uniconify",          uniconify,      {0} },
4552         { "raise_toggle",       raise_toggle,   {0} },
4553         { "button2",            pressbutton,    {2} },
4554         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4555         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4556         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4557         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4558         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4559         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4560         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4561         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4562         { "name_workspace",     name_workspace, {0} },
4563         { "search_workspace",   search_workspace,       {0} },
4564         { "search_win",         search_win,     {0} },
4565         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4566         { "invalid key func",   NULL,           {0} },
4567 };
4568 struct key {
4569         RB_ENTRY(key)           entry;
4570         unsigned int            mod;
4571         KeySym                  keysym;
4572         enum keyfuncid          funcid;
4573         char                    *spawn_name;
4574 };
4575 RB_HEAD(key_list, key);
4576
4577 int
4578 key_cmp(struct key *kp1, struct key *kp2)
4579 {
4580         if (kp1->keysym < kp2->keysym)
4581                 return (-1);
4582         if (kp1->keysym > kp2->keysym)
4583                 return (1);
4584
4585         if (kp1->mod < kp2->mod)
4586                 return (-1);
4587         if (kp1->mod > kp2->mod)
4588                 return (1);
4589
4590         return (0);
4591 }
4592
4593 RB_GENERATE_STATIC(key_list, key, entry, key_cmp);
4594 struct key_list                 keys;
4595
4596 /* mouse */
4597 enum { client_click, root_click };
4598 struct button {
4599         unsigned int            action;
4600         unsigned int            mask;
4601         unsigned int            button;
4602         void                    (*func)(struct ws_win *, union arg *);
4603         union arg               args;
4604 } buttons[] = {
4605           /* action     key             mouse button    func    args */
4606         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4607         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4608         { client_click, MODKEY,         Button1,        move,   {0} },
4609 };
4610
4611 void
4612 update_modkey(unsigned int mod)
4613 {
4614         int                     i;
4615         struct key              *kp;
4616
4617         mod_key = mod;
4618         RB_FOREACH(kp, key_list, &keys)
4619                 if (kp->mod & ShiftMask)
4620                         kp->mod = mod | ShiftMask;
4621                 else
4622                         kp->mod = mod;
4623
4624         for (i = 0; i < LENGTH(buttons); i++)
4625                 if (buttons[i].mask & ShiftMask)
4626                         buttons[i].mask = mod | ShiftMask;
4627                 else
4628                         buttons[i].mask = mod;
4629 }
4630
4631 /* spawn */
4632 struct spawn_prog {
4633         TAILQ_ENTRY(spawn_prog) entry;
4634         char                    *name;
4635         int                     argc;
4636         char                    **argv;
4637 };
4638 TAILQ_HEAD(spawn_list, spawn_prog);
4639 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4640
4641 int
4642 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4643     char ***ret_args)
4644 {
4645         struct spawn_prog       *prog = NULL;
4646         int                     i;
4647         char                    *ap, **real_args;
4648
4649         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4650
4651         /* find program */
4652         TAILQ_FOREACH(prog, &spawns, entry) {
4653                 if (!strcasecmp(spawn_name, prog->name))
4654                         break;
4655         }
4656         if (prog == NULL) {
4657                 warnx("spawn_custom: program %s not found", spawn_name);
4658                 return (-1);
4659         }
4660
4661         /* make room for expanded args */
4662         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4663                 err(1, "spawn_custom: calloc real_args");
4664
4665         /* expand spawn_args into real_args */
4666         for (i = 0; i < prog->argc; i++) {
4667                 ap = prog->argv[i];
4668                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4669                 if (!strcasecmp(ap, "$bar_border")) {
4670                         if ((real_args[i] =
4671                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4672                             == NULL)
4673                                 err(1,  "spawn_custom border color");
4674                 } else if (!strcasecmp(ap, "$bar_color")) {
4675                         if ((real_args[i] =
4676                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4677                             == NULL)
4678                                 err(1, "spawn_custom bar color");
4679                 } else if (!strcasecmp(ap, "$bar_font")) {
4680                         if ((real_args[i] = strdup(bar_fonts))
4681                             == NULL)
4682                                 err(1, "spawn_custom bar fonts");
4683                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4684                         if ((real_args[i] =
4685                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4686                             == NULL)
4687                                 err(1, "spawn_custom color font");
4688                 } else if (!strcasecmp(ap, "$color_focus")) {
4689                         if ((real_args[i] =
4690                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4691                             == NULL)
4692                                 err(1, "spawn_custom color focus");
4693                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4694                         if ((real_args[i] =
4695                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4696                             == NULL)
4697                                 err(1, "spawn_custom color unfocus");
4698                 } else {
4699                         /* no match --> copy as is */
4700                         if ((real_args[i] = strdup(ap)) == NULL)
4701                                 err(1, "spawn_custom strdup(ap)");
4702                 }
4703                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4704                     real_args[i]);
4705         }
4706
4707 #ifdef SWM_DEBUG
4708         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4709         for (i = 0; i < prog->argc; i++)
4710                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4711         DNPRINTF(SWM_D_SPAWN, "\n");
4712 #endif
4713         *ret_args = real_args;
4714         return (prog->argc);
4715 }
4716
4717 void
4718 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4719 {
4720         union arg               a;
4721         char                    **real_args;
4722         int                     spawn_argc, i;
4723
4724         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4725                 return;
4726         a.argv = real_args;
4727         if (fork() == 0)
4728                 spawn(r->ws->idx, &a, 1);
4729
4730         for (i = 0; i < spawn_argc; i++)
4731                 free(real_args[i]);
4732         free(real_args);
4733 }
4734
4735 void
4736 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4737 {
4738         union arg               a;
4739         char                    **real_args;
4740         int                     i, spawn_argc;
4741
4742         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4743                 return;
4744         a.argv = real_args;
4745
4746         if (pipe(select_list_pipe) == -1)
4747                 err(1, "pipe error");
4748         if (pipe(select_resp_pipe) == -1)
4749                 err(1, "pipe error");
4750
4751         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4752                 err(1, "could not disable SIGPIPE");
4753         switch (*pid = fork()) {
4754         case -1:
4755                 err(1, "cannot fork");
4756                 break;
4757         case 0: /* child */
4758                 if (dup2(select_list_pipe[0], 0) == -1)
4759                         err(1, "dup2");
4760                 if (dup2(select_resp_pipe[1], 1) == -1)
4761                         err(1, "dup2");
4762                 close(select_list_pipe[1]);
4763                 close(select_resp_pipe[0]);
4764                 spawn(r->ws->idx, &a, 0);
4765                 break;
4766         default: /* parent */
4767                 close(select_list_pipe[0]);
4768                 close(select_resp_pipe[1]);
4769                 break;
4770         }
4771
4772         for (i = 0; i < spawn_argc; i++)
4773                 free(real_args[i]);
4774         free(real_args);
4775 }
4776
4777 void
4778 spawn_insert(char *name, char *args)
4779 {
4780         char                    *arg, *cp, *ptr;
4781         struct spawn_prog       *sp;
4782
4783         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4784
4785         if ((sp = calloc(1, sizeof *sp)) == NULL)
4786                 err(1, "spawn_insert: malloc");
4787         if ((sp->name = strdup(name)) == NULL)
4788                 err(1, "spawn_insert: strdup");
4789
4790         /* convert the arguments to an argument list */
4791         if ((ptr = cp = strdup(args)) == NULL)
4792                 err(1, "spawn_insert: strdup");
4793         while ((arg = strsep(&ptr, " \t")) != NULL) {
4794                 /* empty field; skip it */
4795                 if (*arg == '\0')
4796                         continue;
4797
4798                 sp->argc++;
4799                 if ((sp->argv = realloc(sp->argv, sp->argc *
4800                     sizeof *sp->argv)) == NULL)
4801                         err(1, "spawn_insert: realloc");
4802                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4803                         err(1, "spawn_insert: strdup");
4804         }
4805         free(cp);
4806
4807         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4808         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4809 }
4810
4811 void
4812 spawn_remove(struct spawn_prog *sp)
4813 {
4814         int                     i;
4815
4816         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4817
4818         TAILQ_REMOVE(&spawns, sp, entry);
4819         for (i = 0; i < sp->argc; i++)
4820                 free(sp->argv[i]);
4821         free(sp->argv);
4822         free(sp->name);
4823         free(sp);
4824
4825         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
4826 }
4827
4828 void
4829 spawn_replace(struct spawn_prog *sp, char *name, char *args)
4830 {
4831         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
4832
4833         spawn_remove(sp);
4834         spawn_insert(name, args);
4835
4836         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
4837 }
4838
4839 void
4840 setspawn(char *name, char *args)
4841 {
4842         struct spawn_prog       *sp;
4843
4844         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
4845
4846         if (name == NULL)
4847                 return;
4848
4849         TAILQ_FOREACH(sp, &spawns, entry) {
4850                 if (!strcmp(sp->name, name)) {
4851                         if (*args == '\0')
4852                                 spawn_remove(sp);
4853                         else
4854                                 spawn_replace(sp, name, args);
4855                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4856                         return;
4857                 }
4858         }
4859         if (*args == '\0') {
4860                 warnx("error: setspawn: cannot find program: %s", name);
4861                 return;
4862         }
4863
4864         spawn_insert(name, args);
4865         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4866 }
4867
4868 int
4869 setconfspawn(char *selector, char *value, int flags)
4870 {
4871         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4872
4873         setspawn(selector, value);
4874
4875         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4876         return (0);
4877 }
4878
4879 void
4880 setup_spawn(void)
4881 {
4882         setconfspawn("term",            "xterm",                0);
4883         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4884         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4885         setconfspawn("lock",            "xlock",                0);
4886         setconfspawn("initscr",         "initscreen.sh",        0);
4887         setconfspawn("menu",            "dmenu_run"
4888                                         " -fn $bar_font"
4889                                         " -nb $bar_color"
4890                                         " -nf $bar_font_color"
4891                                         " -sb $bar_border"
4892                                         " -sf $bar_color",      0);
4893         setconfspawn("search",          "dmenu"
4894                                         " -i"
4895                                         " -fn $bar_font"
4896                                         " -nb $bar_color"
4897                                         " -nf $bar_font_color"
4898                                         " -sb $bar_border"
4899                                         " -sf $bar_color",      0);
4900         setconfspawn("name_workspace",  "dmenu"
4901                                         " -p Workspace"
4902                                         " -fn $bar_font"
4903                                         " -nb $bar_color"
4904                                         " -nf $bar_font_color"
4905                                         " -sb $bar_border"
4906                                         " -sf $bar_color",      0);
4907 }
4908
4909 /* key bindings */
4910 #define SWM_MODNAME_SIZE        32
4911 #define SWM_KEY_WS              "\n+ \t"
4912 int
4913 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4914 {
4915         char                    *cp, *name;
4916         KeySym                  uks;
4917         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4918         if (mod == NULL || ks == NULL) {
4919                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4920                 return (1);
4921         }
4922         if (keystr == NULL || strlen(keystr) == 0) {
4923                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4924                 return (1);
4925         }
4926         cp = keystr;
4927         *ks = NoSymbol;
4928         *mod = 0;
4929         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4930                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4931                 if (cp)
4932                         cp += (long)strspn(cp, SWM_KEY_WS);
4933                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4934                         *mod |= currmod;
4935                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4936                         *mod |= Mod1Mask;
4937                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4938                         *mod += Mod2Mask;
4939                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4940                         *mod |= Mod3Mask;
4941                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4942                         *mod |= Mod4Mask;
4943                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4944                         *mod |= ShiftMask;
4945                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4946                         *mod |= ControlMask;
4947                 else {
4948                         *ks = XStringToKeysym(name);
4949                         XConvertCase(*ks, ks, &uks);
4950                         if (ks == NoSymbol) {
4951                                 DNPRINTF(SWM_D_KEY,
4952                                     "parsekeys: invalid key %s\n",
4953                                     name);
4954                                 return (1);
4955                         }
4956                 }
4957         }
4958         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4959         return (0);
4960 }
4961
4962 char *
4963 strdupsafe(char *str)
4964 {
4965         if (str == NULL)
4966                 return (NULL);
4967         else
4968                 return (strdup(str));
4969 }
4970
4971 void
4972 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
4973 {
4974         struct key              *kp;
4975
4976         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
4977             keyfuncs[kfid].name, spawn_name);
4978
4979         if ((kp = malloc(sizeof *kp)) == NULL)
4980                 err(1, "key_insert: malloc");
4981
4982         kp->mod = mod;
4983         kp->keysym = ks;
4984         kp->funcid = kfid;
4985         kp->spawn_name = strdupsafe(spawn_name);
4986         RB_INSERT(key_list, &keys, kp);
4987
4988         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
4989 }
4990
4991 struct key *
4992 key_lookup(unsigned int mod, KeySym ks)
4993 {
4994         struct key              kp;
4995
4996         kp.keysym = ks;
4997         kp.mod = mod;
4998
4999         return (RB_FIND(key_list, &keys, &kp));
5000 }
5001
5002 void
5003 key_remove(struct key *kp)
5004 {
5005         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5006
5007         RB_REMOVE(key_list, &keys, kp);
5008         free(kp->spawn_name);
5009         free(kp);
5010
5011         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5012 }
5013
5014 void
5015 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5016     char *spawn_name)
5017 {
5018         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5019             spawn_name);
5020
5021         key_remove(kp);
5022         key_insert(mod, ks, kfid, spawn_name);
5023
5024         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5025 }
5026
5027 void
5028 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5029     char *spawn_name)
5030 {
5031         struct key              *kp;
5032
5033         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5034             keyfuncs[kfid].name, spawn_name);
5035
5036         if ((kp = key_lookup(mod, ks)) != NULL) {
5037                 if (kfid == kf_invalid)
5038                         key_remove(kp);
5039                 else
5040                         key_replace(kp, mod, ks, kfid, spawn_name);
5041                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5042                 return;
5043         }
5044         if (kfid == kf_invalid) {
5045                 warnx("error: setkeybinding: cannot find mod/key combination");
5046                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5047                 return;
5048         }
5049
5050         key_insert(mod, ks, kfid, spawn_name);
5051         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5052 }
5053
5054 int
5055 setconfbinding(char *selector, char *value, int flags)
5056 {
5057         enum keyfuncid          kfid;
5058         unsigned int            mod;
5059         KeySym                  ks;
5060         struct spawn_prog       *sp;
5061         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5062         if (selector == NULL) {
5063                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5064                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5065                         kfid = kf_invalid;
5066                         setkeybinding(mod, ks, kfid, NULL);
5067                         return (0);
5068                 } else
5069                         return (1);
5070         }
5071         /* search by key function name */
5072         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5073                 if (strncasecmp(selector, keyfuncs[kfid].name,
5074                     SWM_FUNCNAME_LEN) == 0) {
5075                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5076                             selector);
5077                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5078                                 setkeybinding(mod, ks, kfid, NULL);
5079                                 return (0);
5080                         } else
5081                                 return (1);
5082                 }
5083         }
5084         /* search by custom spawn name */
5085         TAILQ_FOREACH(sp, &spawns, entry) {
5086                 if (strcasecmp(selector, sp->name) == 0) {
5087                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5088                             selector);
5089                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5090                                 setkeybinding(mod, ks, kf_spawn_custom,
5091                                     sp->name);
5092                                 return (0);
5093                         } else
5094                                 return (1);
5095                 }
5096         }
5097         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5098         return (1);
5099 }
5100
5101 void
5102 setup_keys(void)
5103 {
5104         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5105         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5106         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5107         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5108         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5109         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5110         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5111         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5112         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5113         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5114         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5115         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5116         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5117         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5118         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
5119         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5120         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5121         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5122         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5123         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5124         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5125         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5126         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5127         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5128         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5129         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5130         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5131         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5132         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5133         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5134         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5135         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5136         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5137         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5138         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5139         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5140         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5141         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5142         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5143         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5144         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5145         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5146         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5147         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5148         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5149         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5150         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5151         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5152         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5153         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5154         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5155         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5156         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5157         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5158         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5159         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5160         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5161         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5162         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5163         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5164         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5165         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5166         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5167         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5168         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5169         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5170         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5171         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5172         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5173         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5174         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5175         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5176         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5177         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5178         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5179         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5180         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5181         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5182         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5183         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5184         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5185         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5186         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5187         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5188         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5189         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5190         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5191         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5192         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5193         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5194         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5195         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5196         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5197         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5198         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5199         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5200 #ifdef SWM_DEBUG
5201         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5202 #endif
5203 }
5204
5205 void
5206 clear_keys(void)
5207 {
5208         struct key              *kp;
5209
5210         while (RB_EMPTY(&keys) == 0) {
5211                 kp = RB_ROOT(&keys);
5212                 key_remove(kp);
5213         }
5214 }
5215
5216 int
5217 setkeymapping(char *selector, char *value, int flags)
5218 {
5219         char                    keymapping_file[PATH_MAX];
5220         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5221         if (value[0] == '~')
5222                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5223                     pwd->pw_dir, &value[1]);
5224         else
5225                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5226         clear_keys();
5227         /* load new key bindings; if it fails, revert to default bindings */
5228         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5229                 clear_keys();
5230                 setup_keys();
5231         }
5232         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5233         return (0);
5234 }
5235
5236 void
5237 updatenumlockmask(void)
5238 {
5239         unsigned int            i, j;
5240         XModifierKeymap         *modmap;
5241
5242         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5243         numlockmask = 0;
5244         modmap = XGetModifierMapping(display);
5245         for (i = 0; i < 8; i++)
5246                 for (j = 0; j < modmap->max_keypermod; j++)
5247                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5248                             == XKeysymToKeycode(display, XK_Num_Lock))
5249                                 numlockmask = (1 << i);
5250
5251         XFreeModifiermap(modmap);
5252 }
5253
5254 void
5255 grabkeys(void)
5256 {
5257         unsigned int            j, k;
5258         KeyCode                 code;
5259         unsigned int            modifiers[] =
5260             { 0, LockMask, numlockmask, numlockmask | LockMask };
5261         struct key              *kp;
5262
5263         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5264         updatenumlockmask();
5265
5266         for (k = 0; k < ScreenCount(display); k++) {
5267                 if (TAILQ_EMPTY(&screens[k].rl))
5268                         continue;
5269                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
5270                 RB_FOREACH(kp, key_list, &keys) {
5271                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5272                                 for (j = 0; j < LENGTH(modifiers); j++)
5273                                         XGrabKey(display, code,
5274                                             kp->mod | modifiers[j],
5275                                             screens[k].root, True,
5276                                             GrabModeAsync, GrabModeAsync);
5277                 }
5278         }
5279 }
5280
5281 void
5282 grabbuttons(struct ws_win *win, int focused)
5283 {
5284         unsigned int            i, j;
5285         unsigned int            modifiers[] =
5286             { 0, LockMask, numlockmask, numlockmask|LockMask };
5287
5288         updatenumlockmask();
5289         XUngrabButton(display, AnyButton, AnyModifier, win->id);
5290         if (focused) {
5291                 for (i = 0; i < LENGTH(buttons); i++)
5292                         if (buttons[i].action == client_click)
5293                                 for (j = 0; j < LENGTH(modifiers); j++)
5294                                         XGrabButton(display, buttons[i].button,
5295                                             buttons[i].mask | modifiers[j],
5296                                             win->id, False, BUTTONMASK,
5297                                             GrabModeAsync, GrabModeSync, None,
5298                                             None);
5299         } else
5300                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
5301                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
5302 }
5303
5304 const char *quirkname[] = {
5305         "NONE",         /* config string for "no value" */
5306         "FLOAT",
5307         "TRANSSZ",
5308         "ANYWHERE",
5309         "XTERM_FONTADJ",
5310         "FULLSCREEN",
5311         "FOCUSPREV",
5312 };
5313
5314 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5315 #define SWM_Q_WS                "\n|+ \t"
5316 int
5317 parsequirks(char *qstr, unsigned long *quirk)
5318 {
5319         char                    *cp, *name;
5320         int                     i;
5321
5322         if (quirk == NULL)
5323                 return (1);
5324
5325         cp = qstr;
5326         *quirk = 0;
5327         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5328                 if (cp)
5329                         cp += (long)strspn(cp, SWM_Q_WS);
5330                 for (i = 0; i < LENGTH(quirkname); i++) {
5331                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5332                                 DNPRINTF(SWM_D_QUIRK,
5333                                     "parsequirks: %s\n", name);
5334                                 if (i == 0) {
5335                                         *quirk = 0;
5336                                         return (0);
5337                                 }
5338                                 *quirk |= 1 << (i-1);
5339                                 break;
5340                         }
5341                 }
5342                 if (i >= LENGTH(quirkname)) {
5343                         DNPRINTF(SWM_D_QUIRK,
5344                             "parsequirks: invalid quirk [%s]\n", name);
5345                         return (1);
5346                 }
5347         }
5348         return (0);
5349 }
5350
5351 void
5352 quirk_insert(const char *class, const char *name, unsigned long quirk)
5353 {
5354         struct quirk            *qp;
5355
5356         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5357             quirk);
5358
5359         if ((qp = malloc(sizeof *qp)) == NULL)
5360                 err(1, "quirk_insert: malloc");
5361         if ((qp->class = strdup(class)) == NULL)
5362                 err(1, "quirk_insert: strdup");
5363         if ((qp->name = strdup(name)) == NULL)
5364                 err(1, "quirk_insert: strdup");
5365
5366         qp->quirk = quirk;
5367         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5368
5369         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5370 }
5371
5372 void
5373 quirk_remove(struct quirk *qp)
5374 {
5375         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5376             qp->name, qp->quirk);
5377
5378         TAILQ_REMOVE(&quirks, qp, entry);
5379         free(qp->class);
5380         free(qp->name);
5381         free(qp);
5382
5383         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5384 }
5385
5386 void
5387 quirk_replace(struct quirk *qp, const char *class, const char *name,
5388     unsigned long quirk)
5389 {
5390         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5391             qp->name, qp->quirk);
5392
5393         quirk_remove(qp);
5394         quirk_insert(class, name, quirk);
5395
5396         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5397 }
5398
5399 void
5400 setquirk(const char *class, const char *name, unsigned long quirk)
5401 {
5402         struct quirk            *qp;
5403
5404         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5405            quirk);
5406
5407         TAILQ_FOREACH(qp, &quirks, entry) {
5408                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5409                         if (!quirk)
5410                                 quirk_remove(qp);
5411                         else
5412                                 quirk_replace(qp, class, name, quirk);
5413                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5414                         return;
5415                 }
5416         }
5417         if (!quirk) {
5418                 warnx("error: setquirk: cannot find class/name combination");
5419                 return;
5420         }
5421
5422         quirk_insert(class, name, quirk);
5423         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5424 }
5425
5426 int
5427 setconfquirk(char *selector, char *value, int flags)
5428 {
5429         char                    *cp, *class, *name;
5430         int                     retval;
5431         unsigned long           quirks;
5432         if (selector == NULL)
5433                 return (0);
5434         if ((cp = strchr(selector, ':')) == NULL)
5435                 return (0);
5436         *cp = '\0';
5437         class = selector;
5438         name = cp + 1;
5439         if ((retval = parsequirks(value, &quirks)) == 0)
5440                 setquirk(class, name, quirks);
5441         return (retval);
5442 }
5443
5444 void
5445 setup_quirks(void)
5446 {
5447         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5448         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5449         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5450         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5451         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5452         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5453         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5454         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5455         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5456         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5457         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5458         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5459         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5460 }
5461
5462 /* conf file stuff */
5463 #define SWM_CONF_FILE           "spectrwm.conf"
5464 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5465
5466 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
5467           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
5468           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_WORKSPACE_LIMIT,
5469           SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
5470           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED,
5471           SWM_S_URGENT_ENABLED, SWM_S_FOCUS_MODE, SWM_S_FOCUS_CLOSE,
5472           SWM_S_FOCUS_CLOSE_WRAP, SWM_S_FOCUS_DEFAULT, SWM_S_SPAWN_ORDER,
5473           SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH, SWM_S_BAR_FONT,
5474           SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO,
5475           SWM_S_BAR_AT_BOTTOM, SWM_S_VERBOSE_LAYOUT, SWM_S_BAR_JUSTIFY,
5476           SWM_S_BAR_FORMAT
5477         };
5478
5479 int
5480 setconfvalue(char *selector, char *value, int flags)
5481 {
5482         int     i;
5483         char    *b;
5484
5485         switch (flags) {
5486         case SWM_S_BAR_DELAY:
5487                 bar_delay = atoi(value);
5488                 break;
5489         case SWM_S_BAR_ENABLED:
5490                 bar_enabled = atoi(value);
5491                 break;
5492         case SWM_S_BAR_BORDER_WIDTH:
5493                 bar_border_width = atoi(value);
5494                 break;
5495         case SWM_S_BAR_AT_BOTTOM:
5496                 bar_at_bottom = atoi(value);
5497                 break;
5498         case SWM_S_BAR_JUSTIFY:
5499                 if (!strcmp(value, "left"))
5500                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5501                 else if (!strcmp(value, "center"))
5502                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5503                 else if (!strcmp(value, "right"))
5504                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5505                 else
5506                         errx(1, "invalid bar_justify");
5507                 break;
5508         case SWM_S_BAR_FORMAT:
5509                 free(bar_format);
5510                 if ((bar_format = strdup(value)) == NULL)
5511                         err(1, "setconfvalue: bar_format");
5512                 break;
5513         case SWM_S_STACK_ENABLED:
5514                 stack_enabled = atoi(value);
5515                 break;
5516         case SWM_S_CLOCK_ENABLED:
5517                 clock_enabled = atoi(value);
5518                 break;
5519         case SWM_S_CLOCK_FORMAT:
5520 #ifndef SWM_DENY_CLOCK_FORMAT
5521                 free(clock_format);
5522                 if ((clock_format = strdup(value)) == NULL)
5523                         err(1, "setconfvalue: clock_format");
5524 #endif
5525                 break;
5526         case SWM_S_CYCLE_EMPTY:
5527                 cycle_empty = atoi(value);
5528                 break;
5529         case SWM_S_CYCLE_VISIBLE:
5530                 cycle_visible = atoi(value);
5531                 break;
5532         case SWM_S_WORKSPACE_LIMIT:
5533                 workspace_limit = atoi(value);
5534                 if (workspace_limit > SWM_WS_MAX)
5535                         workspace_limit = SWM_WS_MAX;
5536                 else if (workspace_limit < 1)
5537                         workspace_limit = 1;
5538                 break;
5539         case SWM_S_SS_ENABLED:
5540                 ss_enabled = atoi(value);
5541                 break;
5542         case SWM_S_TERM_WIDTH:
5543                 term_width = atoi(value);
5544                 break;
5545         case SWM_S_TITLE_CLASS_ENABLED:
5546                 title_class_enabled = atoi(value);
5547                 break;
5548         case SWM_S_WINDOW_NAME_ENABLED:
5549                 window_name_enabled = atoi(value);
5550                 break;
5551         case SWM_S_TITLE_NAME_ENABLED:
5552                 title_name_enabled = atoi(value);
5553                 break;
5554         case SWM_S_URGENT_ENABLED:
5555                 urgent_enabled = atoi(value);
5556                 break;
5557         case SWM_S_FOCUS_MODE:
5558                 if (!strcmp(value, "default"))
5559                         focus_mode = SWM_FOCUS_DEFAULT;
5560                 else if (!strcmp(value, "follow_cursor"))
5561                         focus_mode = SWM_FOCUS_FOLLOW;
5562                 else if (!strcmp(value, "synergy"))
5563                         focus_mode = SWM_FOCUS_SYNERGY;
5564                 else
5565                         errx(1, "focus_mode");
5566                 break;
5567         case SWM_S_FOCUS_CLOSE:
5568                 if (!strcmp(value, "first"))
5569                         focus_close = SWM_STACK_BOTTOM;
5570                 else if (!strcmp(value, "last"))
5571                         focus_close = SWM_STACK_TOP;
5572                 else if (!strcmp(value, "next"))
5573                         focus_close = SWM_STACK_ABOVE;
5574                 else if (!strcmp(value, "previous"))
5575                         focus_close = SWM_STACK_BELOW;
5576                 else
5577                         errx(1, "focus_close");
5578                 break;
5579         case SWM_S_FOCUS_CLOSE_WRAP:
5580                 focus_close_wrap = atoi(value);
5581                 break;
5582         case SWM_S_FOCUS_DEFAULT:
5583                 if (!strcmp(value, "last"))
5584                         focus_default = SWM_STACK_TOP;
5585                 else if (!strcmp(value, "first"))
5586                         focus_default = SWM_STACK_BOTTOM;
5587                 else
5588                         errx(1, "focus_default");
5589                 break;
5590         case SWM_S_SPAWN_ORDER:
5591                 if (!strcmp(value, "first"))
5592                         spawn_position = SWM_STACK_BOTTOM;
5593                 else if (!strcmp(value, "last"))
5594                         spawn_position = SWM_STACK_TOP;
5595                 else if (!strcmp(value, "next"))
5596                         spawn_position = SWM_STACK_ABOVE;
5597                 else if (!strcmp(value, "previous"))
5598                         spawn_position = SWM_STACK_BELOW;
5599                 else
5600                         errx(1, "spawn_position");
5601                 break;
5602         case SWM_S_DISABLE_BORDER:
5603                 disable_border = atoi(value);
5604                 break;
5605         case SWM_S_BORDER_WIDTH:
5606                 border_width = atoi(value);
5607                 break;
5608         case SWM_S_BAR_FONT:
5609                 b = bar_fonts;
5610                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5611                         err(1, "setconfvalue: asprintf: failed to allocate "
5612                                 "memory for bar_fonts.");
5613
5614                 free(b);
5615                 break;
5616         case SWM_S_BAR_ACTION:
5617                 free(bar_argv[0]);
5618                 if ((bar_argv[0] = strdup(value)) == NULL)
5619                         err(1, "setconfvalue: bar_action");
5620                 break;
5621         case SWM_S_SPAWN_TERM:
5622                 free(spawn_term[0]);
5623                 if ((spawn_term[0] = strdup(value)) == NULL)
5624                         err(1, "setconfvalue: spawn_term");
5625                 break;
5626         case SWM_S_SS_APP:
5627                 break;
5628         case SWM_S_DIALOG_RATIO:
5629                 dialog_ratio = atof(value);
5630                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5631                         dialog_ratio = .6;
5632                 break;
5633         case SWM_S_VERBOSE_LAYOUT:
5634                 verbose_layout = atoi(value);
5635                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5636                         if (verbose_layout)
5637                                 layouts[i].l_string = fancy_stacker;
5638                         else
5639                                 layouts[i].l_string = plain_stacker;
5640                 }
5641                 break;
5642         default:
5643                 return (1);
5644         }
5645         return (0);
5646 }
5647
5648 int
5649 setconfmodkey(char *selector, char *value, int flags)
5650 {
5651         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5652                 update_modkey(Mod1Mask);
5653         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5654                 update_modkey(Mod2Mask);
5655         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5656                 update_modkey(Mod3Mask);
5657         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5658                 update_modkey(Mod4Mask);
5659         else
5660                 return (1);
5661         return (0);
5662 }
5663
5664 int
5665 setconfcolor(char *selector, char *value, int flags)
5666 {
5667         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5668         return (0);
5669 }
5670
5671 int
5672 setconfregion(char *selector, char *value, int flags)
5673 {
5674         custom_region(value);
5675         return (0);
5676 }
5677
5678 int
5679 setautorun(char *selector, char *value, int flags)
5680 {
5681         int                     ws_id;
5682         char                    s[1024];
5683         char                    *ap, *sp = s;
5684         union arg               a;
5685         int                     argc = 0;
5686         long                    pid;
5687         struct pid_e            *p;
5688
5689         if (getenv("SWM_STARTED"))
5690                 return (0);
5691
5692         bzero(s, sizeof s);
5693         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5694                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5695         ws_id--;
5696         if (ws_id < 0 || ws_id >= workspace_limit)
5697                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5698
5699         /*
5700          * This is a little intricate
5701          *
5702          * If the pid already exists we simply reuse it because it means it was
5703          * used before AND not claimed by manage_window.  We get away with
5704          * altering it in the parent after INSERT because this can not be a race
5705          */
5706         a.argv = NULL;
5707         while ((ap = strsep(&sp, " \t")) != NULL) {
5708                 if (*ap == '\0')
5709                         continue;
5710                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5711                 argc++;
5712                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5713                         err(1, "setautorun: realloc");
5714                 a.argv[argc - 1] = ap;
5715         }
5716
5717         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5718                 err(1, "setautorun: realloc");
5719         a.argv[argc] = NULL;
5720
5721         if ((pid = fork()) == 0) {
5722                 spawn(ws_id, &a, 1);
5723                 /* NOTREACHED */
5724                 _exit(1);
5725         }
5726         free(a.argv);
5727
5728         /* parent */
5729         p = find_pid(pid);
5730         if (p == NULL) {
5731                 p = calloc(1, sizeof *p);
5732                 if (p == NULL)
5733                         return (1);
5734                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5735         }
5736
5737         p->pid = pid;
5738         p->ws = ws_id;
5739
5740         return (0);
5741 }
5742
5743 int
5744 setlayout(char *selector, char *value, int flags)
5745 {
5746         int                     ws_id, i, x, mg, ma, si, raise;
5747         int                     st = SWM_V_STACK;
5748         char                    s[1024];
5749         struct workspace        *ws;
5750
5751         if (getenv("SWM_STARTED"))
5752                 return (0);
5753
5754         bzero(s, sizeof s);
5755         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5756             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5757                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5758                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5759                     "<type>'");
5760         ws_id--;
5761         if (ws_id < 0 || ws_id >= workspace_limit)
5762                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5763
5764         if (!strcasecmp(s, "vertical"))
5765                 st = SWM_V_STACK;
5766         else if (!strcasecmp(s, "horizontal"))
5767                 st = SWM_H_STACK;
5768         else if (!strcasecmp(s, "fullscreen"))
5769                 st = SWM_MAX_STACK;
5770         else
5771                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5772                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5773                     "<type>'");
5774
5775         for (i = 0; i < ScreenCount(display); i++) {
5776                 ws = (struct workspace *)&screens[i].ws;
5777                 ws[ws_id].cur_layout = &layouts[st];
5778
5779                 ws[ws_id].always_raise = raise;
5780                 if (st == SWM_MAX_STACK)
5781                         continue;
5782
5783                 /* master grow */
5784                 for (x = 0; x < abs(mg); x++) {
5785                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5786                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5787                             SWM_ARG_ID_MASTERSHRINK);
5788                         stack();
5789                 }
5790                 /* master add */
5791                 for (x = 0; x < abs(ma); x++) {
5792                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5793                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5794                             SWM_ARG_ID_MASTERDEL);
5795                         stack();
5796                 }
5797                 /* stack inc */
5798                 for (x = 0; x < abs(si); x++) {
5799                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5800                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5801                             SWM_ARG_ID_STACKDEC);
5802                         stack();
5803                 }
5804         }
5805
5806         return (0);
5807 }
5808
5809 /* config options */
5810 struct config_option {
5811         char                    *optname;
5812         int                     (*func)(char*, char*, int);
5813         int                     funcflags;
5814 };
5815 struct config_option configopt[] = {
5816         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5817         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5818         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5819         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5820         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5821         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5822         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5823         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5824         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5825         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5826         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
5827         { "keyboard_mapping",           setkeymapping,  0 },
5828         { "bind",                       setconfbinding, 0 },
5829         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5830         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5831         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5832         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5833         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5834         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5835         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5836         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
5837         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5838         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5839         { "modkey",                     setconfmodkey,  0 },
5840         { "program",                    setconfspawn,   0 },
5841         { "quirk",                      setconfquirk,   0 },
5842         { "region",                     setconfregion,  0 },
5843         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5844         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5845         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5846         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5847         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5848         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5849         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5850         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5851         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5852         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
5853         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
5854         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
5855         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
5856         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5857         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5858         { "autorun",                    setautorun,     0 },
5859         { "layout",                     setlayout,      0 },
5860 };
5861
5862
5863 int
5864 conf_load(char *filename, int keymapping)
5865 {
5866         FILE                    *config;
5867         char                    *line, *cp, *optsub, *optval;
5868         size_t                  linelen, lineno = 0;
5869         int                     wordlen, i, optind;
5870         struct config_option    *opt;
5871
5872         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
5873
5874         if (filename == NULL) {
5875                 warnx("conf_load: no filename");
5876                 return (1);
5877         }
5878         if ((config = fopen(filename, "r")) == NULL) {
5879                 warn("conf_load: fopen: %s", filename);
5880                 return (1);
5881         }
5882
5883         while (!feof(config)) {
5884                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5885                     == NULL) {
5886                         if (ferror(config))
5887                                 err(1, "%s", filename);
5888                         else
5889                                 continue;
5890                 }
5891                 cp = line;
5892                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5893                 if (cp[0] == '\0') {
5894                         /* empty line */
5895                         free(line);
5896                         continue;
5897                 }
5898                 /* get config option */
5899                 wordlen = strcspn(cp, "=[ \t\n");
5900                 if (wordlen == 0) {
5901                         warnx("%s: line %zd: no option found",
5902                             filename, lineno);
5903                         goto out;
5904                 }
5905                 optind = -1;
5906                 for (i = 0; i < LENGTH(configopt); i++) {
5907                         opt = &configopt[i];
5908                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5909                             strlen(opt->optname) == wordlen) {
5910                                 optind = i;
5911                                 break;
5912                         }
5913                 }
5914                 if (optind == -1) {
5915                         warnx("%s: line %zd: unknown option %.*s",
5916                             filename, lineno, wordlen, cp);
5917                         goto out;
5918                 }
5919                 if (keymapping && strcmp(opt->optname, "bind")) {
5920                         warnx("%s: line %zd: invalid option %.*s",
5921                             filename, lineno, wordlen, cp);
5922                         goto out;
5923                 }
5924                 cp += wordlen;
5925                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5926                 /* get [selector] if any */
5927                 optsub = NULL;
5928                 if (*cp == '[') {
5929                         cp++;
5930                         wordlen = strcspn(cp, "]");
5931                         if (*cp != ']') {
5932                                 if (wordlen == 0) {
5933                                         warnx("%s: line %zd: syntax error",
5934                                             filename, lineno);
5935                                         goto out;
5936                                 }
5937
5938                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
5939                                     -1) {
5940                                         warnx("%s: line %zd: unable to allocate"
5941                                             "memory for selector", filename,
5942                                             lineno);
5943                                         goto out;
5944                                 }
5945                         }
5946                         cp += wordlen;
5947                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5948                 }
5949                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5950                 /* get RHS value */
5951                 optval = strdup(cp);
5952                 /* call function to deal with it all */
5953                 if (configopt[optind].func(optsub, optval,
5954                     configopt[optind].funcflags) != 0)
5955                         errx(1, "%s: line %zd: invalid data for %s",
5956                             filename, lineno, configopt[optind].optname);
5957                 free(optval);
5958                 free(optsub);
5959                 free(line);
5960         }
5961
5962         fclose(config);
5963         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
5964
5965         return (0);
5966
5967 out:
5968         free(line);
5969         fclose(config);
5970         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
5971
5972         return (1);
5973 }
5974
5975 void
5976 set_child_transient(struct ws_win *win, Window *trans)
5977 {
5978         struct ws_win           *parent, *w;
5979         XWMHints                *wmh = NULL;
5980         struct swm_region       *r;
5981         struct workspace        *ws;
5982
5983         parent = find_window(win->transient);
5984         if (parent)
5985                 parent->child_trans = win;
5986         else {
5987                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5988                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
5989
5990                 if (win->hints == NULL) {
5991                         warnx("no hints for 0x%lx", win->id);
5992                         return;
5993                 }
5994
5995                 r = root_to_region(win->wa.root);
5996                 ws = r->ws;
5997                 /* parent doen't exist in our window list */
5998                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5999                         if (wmh)
6000                                 XFree(wmh);
6001
6002                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
6003                                 warnx("can't get hints for 0x%lx", w->id);
6004                                 continue;
6005                         }
6006
6007                         if (win->hints->window_group != wmh->window_group)
6008                                 continue;
6009
6010                         w->child_trans = win;
6011                         win->transient = w->id;
6012                         *trans = w->id;
6013                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
6014                             "transient to 0x%lx\n", win->transient);
6015                         break;
6016                 }
6017         }
6018
6019         if (wmh)
6020                 XFree(wmh);
6021 }
6022
6023 long
6024 window_get_pid(Window win)
6025 {
6026         Atom                    actual_type_return;
6027         int                     actual_format_return = 0;
6028         unsigned long           nitems_return = 0;
6029         unsigned long           bytes_after_return = 0;
6030         long                    *pid = NULL;
6031         long                    ret = 0;
6032         const char              *errstr;
6033         unsigned char           *prop = NULL;
6034
6035         if (XGetWindowProperty(display, win,
6036             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
6037             XA_CARDINAL, &actual_type_return, &actual_format_return,
6038             &nitems_return, &bytes_after_return,
6039             (unsigned char**)(void*)&pid) != Success)
6040                 goto tryharder;
6041         if (actual_type_return != XA_CARDINAL)
6042                 goto tryharder;
6043         if (pid == NULL)
6044                 goto tryharder;
6045
6046         ret = *pid;
6047         XFree(pid);
6048
6049         return (ret);
6050
6051 tryharder:
6052         if (XGetWindowProperty(display, win,
6053             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
6054             XA_STRING, &actual_type_return, &actual_format_return,
6055             &nitems_return, &bytes_after_return, &prop) != Success)
6056                 return (0);
6057         if (actual_type_return != XA_STRING)
6058                 return (0);
6059         if (prop == NULL)
6060                 return (0);
6061
6062         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
6063         /* ignore error because strtonum returns 0 anyway */
6064         XFree(prop);
6065
6066         return (ret);
6067 }
6068
6069 struct ws_win *
6070 manage_window(Window id)
6071 {
6072         Window                  trans = 0;
6073         struct workspace        *ws;
6074         struct ws_win           *win, *ww;
6075         int                     format, i, ws_idx, n, border_me = 0;
6076         unsigned long           nitems, bytes;
6077         Atom                    ws_idx_atom = 0, type;
6078         Atom                    *prot = NULL, *pp;
6079         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6080         struct swm_region       *r;
6081         long                    mask = 0;
6082         const char              *errstr;
6083         XWindowChanges          wc;
6084         struct pid_e            *p;
6085         struct quirk            *qp;
6086
6087         if ((win = find_window(id)) != NULL)
6088                 return (win);   /* already being managed */
6089
6090         /* see if we are on the unmanaged list */
6091         if ((win = find_unmanaged_window(id)) != NULL) {
6092                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6093                     "window: 0x%lx\n", win->id);
6094                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6095                 if (win->transient)
6096                         set_child_transient(win, &trans);
6097
6098                 if (trans && (ww = find_window(trans)))
6099                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6100                 else if ((ww = win->ws->focus) &&
6101                     spawn_position == SWM_STACK_ABOVE)
6102                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win, entry);
6103                 else if (ww && spawn_position == SWM_STACK_BELOW)
6104                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win, entry);
6105                 else switch (spawn_position) {
6106                 default:
6107                 case SWM_STACK_TOP:
6108                 case SWM_STACK_ABOVE:
6109                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6110                         break;
6111                 case SWM_STACK_BOTTOM:
6112                 case SWM_STACK_BELOW:
6113                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6114                 }
6115
6116                 ewmh_update_actions(win);
6117                 return (win);
6118         }
6119
6120         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6121                 err(1, "manage_window: calloc: failed to allocate memory for "
6122                     "new window");
6123
6124         win->id = id;
6125
6126         /* see if we need to override the workspace */
6127         p = find_pid(window_get_pid(id));
6128
6129         /* Get all the window data in one shot */
6130         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6131         if (ws_idx_atom) {
6132                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6133                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6134         }
6135         XGetWindowAttributes(display, id, &win->wa);
6136         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6137         win->hints = XGetWMHints(display, id);
6138         XGetTransientForHint(display, id, &trans);
6139         if (trans) {
6140                 win->transient = trans;
6141                 set_child_transient(win, &trans);
6142                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
6143                     "transient: 0x%lx\n", win->id, win->transient);
6144         }
6145
6146         /* get supported protocols */
6147         if (XGetWMProtocols(display, id, &prot, &n)) {
6148                 for (i = 0, pp = prot; i < n; i++, pp++) {
6149                         if (*pp == takefocus)
6150                                 win->take_focus = 1;
6151                         if (*pp == adelete)
6152                                 win->can_delete = 1;
6153                 }
6154                 if (prot)
6155                         XFree(prot);
6156         }
6157
6158         win->iconic = get_iconic(win);
6159
6160         /*
6161          * Figure out where to put the window. If it was previously assigned to
6162          * a workspace (either by spawn() or manually moving), and isn't
6163          * transient, * put it in the same workspace
6164          */
6165         r = root_to_region(win->wa.root);
6166         if (p) {
6167                 ws = &r->s->ws[p->ws];
6168                 TAILQ_REMOVE(&pidlist, p, entry);
6169                 free(p);
6170                 p = NULL;
6171         } else if (prop && win->transient == 0) {
6172                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6173                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6174                     &errstr);
6175                 if (errstr) {
6176                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6177                             errstr, prop);
6178                 }
6179                 ws = &r->s->ws[ws_idx];
6180         } else {
6181                 ws = r->ws;
6182                 /* this should launch transients in the same ws as parent */
6183                 if (id && trans)
6184                         if ((ww = find_window(trans)) != NULL)
6185                                 if (ws->r) {
6186                                         ws = ww->ws;
6187                                         if (ww->ws->r)
6188                                                 r = ww->ws->r;
6189                                         else
6190                                                 warnx("manage_window: fix this "
6191                                                     "bug mcbride");
6192                                         border_me = 1;
6193                                 }
6194         }
6195
6196         /* set up the window layout */
6197         win->id = id;
6198         win->ws = ws;
6199         win->s = r->s;  /* this never changes */
6200         if (trans && (ww = find_window(trans)))
6201                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6202         else if (spawn_position == SWM_STACK_ABOVE && win->ws->focus)
6203                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win, entry);
6204         else
6205                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
6206
6207         WIDTH(win) = win->wa.width;
6208         HEIGHT(win) = win->wa.height;
6209         X(win) = win->wa.x;
6210         Y(win) = win->wa.y;
6211         win->g_floatvalid = 0;
6212         win->floatmaxed = 0;
6213         win->ewmh_flags = 0;
6214
6215         /* Set window properties so we can remember this after reincarnation */
6216         if (ws_idx_atom && prop == NULL &&
6217             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6218                 SWM_PROPLEN) {
6219                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6220                     ws_idx_str);
6221                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6222                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6223         }
6224         if (prop)
6225                 XFree(prop);
6226
6227         ewmh_autoquirk(win);
6228
6229         if (XGetClassHint(display, win->id, &win->ch)) {
6230                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6231                     win->ch.res_class, win->ch.res_name);
6232
6233                 /* java is retarded so treat it special */
6234                 if (strstr(win->ch.res_name, "sun-awt")) {
6235                         win->java = 1;
6236                         border_me = 1;
6237                 }
6238
6239                 TAILQ_FOREACH(qp, &quirks, entry) {
6240                         if (!strcmp(win->ch.res_class, qp->class) &&
6241                             !strcmp(win->ch.res_name, qp->name)) {
6242                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6243                                     "class: %s, name: %s\n", win->ch.res_class,
6244                                     win->ch.res_name);
6245                                 if (qp->quirk & SWM_Q_FLOAT) {
6246                                         win->floating = 1;
6247                                         border_me = 1;
6248                                 }
6249                                 win->quirks = qp->quirk;
6250                         }
6251                 }
6252         }
6253
6254         /* alter window position if quirky */
6255         if (win->quirks & SWM_Q_ANYWHERE) {
6256                 win->manual = 1; /* don't center the quirky windows */
6257                 bzero(&wc, sizeof wc);
6258                 mask = 0;
6259                 if (bar_enabled && Y(win) < bar_height) {
6260                         Y(win) = wc.y = bar_height;
6261                         mask |= CWY;
6262                 }
6263                 if (WIDTH(win) + X(win) > WIDTH(r)) {
6264                         X(win) = wc.x = WIDTH(r) - WIDTH(win) - 2;
6265                         mask |= CWX;
6266                 }
6267                 border_me = 1;
6268         }
6269
6270         /* Reset font sizes (the bruteforce way; no default keybinding). */
6271         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6272                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6273                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6274                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6275                         fake_keypress(win, XK_KP_Add, ShiftMask);
6276         }
6277
6278         ewmh_get_win_state(win);
6279         ewmh_update_actions(win);
6280         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6281
6282         /* border me */
6283         if (border_me) {
6284                 bzero(&wc, sizeof wc);
6285                 wc.border_width = border_width;
6286                 mask |= CWBorderWidth;
6287                 XConfigureWindow(display, win->id, mask, &wc);
6288         }
6289
6290         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
6291             PropertyChangeMask | StructureNotifyMask);
6292
6293         /* floaters need to be mapped if they are in the current workspace */
6294         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6295                 XMapRaised(display, win->id);
6296
6297         return (win);
6298 }
6299
6300 void
6301 free_window(struct ws_win *win)
6302 {
6303         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
6304
6305         if (win == NULL)
6306                 return;
6307
6308         /* needed for restart wm */
6309         set_win_state(win, WithdrawnState);
6310
6311         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6312
6313         if (win->ch.res_class)
6314                 XFree(win->ch.res_class);
6315         if (win->ch.res_name)
6316                 XFree(win->ch.res_name);
6317
6318         kill_refs(win);
6319
6320         /* paint memory */
6321         memset(win, 0xff, sizeof *win); /* XXX kill later */
6322
6323         free(win);
6324 }
6325
6326 void
6327 unmanage_window(struct ws_win *win)
6328 {
6329         struct ws_win           *parent;
6330
6331         if (win == NULL)
6332                 return;
6333
6334         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
6335
6336         if (win->transient) {
6337                 parent = find_window(win->transient);
6338                 if (parent)
6339                         parent->child_trans = NULL;
6340         }
6341
6342         /* focus on root just in case */
6343         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
6344
6345         focus_prev(win);
6346
6347         if (win->hints) {
6348                 XFree(win->hints);
6349                 win->hints = NULL;
6350         }
6351
6352         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6353         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6354 }
6355
6356 void
6357 focus_magic(struct ws_win *win)
6358 {
6359         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6360
6361         if (win == NULL) {
6362                 /* if there are no windows clear the status-bar */
6363                 bar_update();
6364                 return;
6365         }
6366
6367         if (win->child_trans) {
6368                 /* win = parent & has a transient so focus on that */
6369                 if (win->java) {
6370                         focus_win(win->child_trans);
6371                         if (win->child_trans->take_focus)
6372                                 client_msg(win, takefocus);
6373                 } else {
6374                         /* make sure transient hasn't disappeared */
6375                         if (validate_win(win->child_trans) == 0) {
6376                                 focus_win(win->child_trans);
6377                                 if (win->child_trans->take_focus)
6378                                         client_msg(win->child_trans, takefocus);
6379                         } else {
6380                                 win->child_trans = NULL;
6381                                 focus_win(win);
6382                                 if (win->take_focus)
6383                                         client_msg(win, takefocus);
6384                         }
6385                 }
6386         } else {
6387                 /* regular focus */
6388                 focus_win(win);
6389                 if (win->take_focus)
6390                         client_msg(win, takefocus);
6391         }
6392 }
6393
6394 void
6395 expose(XEvent *e)
6396 {
6397         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6398 }
6399
6400 void
6401 keypress(XEvent *e)
6402 {
6403         KeySym                  keysym;
6404         XKeyEvent               *ev = &e->xkey;
6405         struct key              *kp;
6406         struct swm_region       *r;
6407
6408         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6409         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6410                 return;
6411         if (keyfuncs[kp->funcid].func == NULL)
6412                 return;
6413
6414         r = root_to_region(ev->root);
6415         if (kp->funcid == kf_spawn_custom)
6416                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6417         else
6418                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6419 }
6420
6421 void
6422 buttonpress(XEvent *e)
6423 {
6424         struct ws_win           *win;
6425         int                     i, action;
6426         XButtonPressedEvent     *ev = &e->xbutton;
6427
6428         if ((win = find_window(ev->window)) == NULL)
6429                 return;
6430
6431         focus_magic(win);
6432         action = client_click;
6433
6434         for (i = 0; i < LENGTH(buttons); i++)
6435                 if (action == buttons[i].action && buttons[i].func &&
6436                     buttons[i].button == ev->button &&
6437                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6438                         buttons[i].func(win, &buttons[i].args);
6439 }
6440
6441 void
6442 configurerequest(XEvent *e)
6443 {
6444         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6445         struct ws_win           *win;
6446         int                     new = 0;
6447         XWindowChanges          wc;
6448
6449         if ((win = find_window(ev->window)) == NULL)
6450                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6451                         new = 1;
6452
6453         DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%lx, new: %s\n",
6454             ev->window, YESNO(new));
6455
6456         if (new) {
6457                 bzero(&wc, sizeof wc);
6458                 wc.x = ev->x;
6459                 wc.y = ev->y;
6460                 wc.width = ev->width;
6461                 wc.height = ev->height;
6462                 wc.border_width = ev->border_width;
6463                 wc.sibling = ev->above;
6464                 wc.stack_mode = ev->detail;
6465                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6466         } else
6467                 config_win(win, ev);
6468 }
6469
6470 void
6471 configurenotify(XEvent *e)
6472 {
6473         struct ws_win           *win;
6474
6475         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6476             e->xconfigure.window);
6477
6478         win = find_window(e->xconfigure.window);
6479         if (win) {
6480                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6481                 adjust_font(win);
6482                 if (font_adjusted)
6483                         stack();
6484                 if (focus_mode == SWM_FOCUS_DEFAULT)
6485                         drain_enter_notify();
6486         }
6487 }
6488
6489 void
6490 destroynotify(XEvent *e)
6491 {
6492         struct ws_win           *win;
6493         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6494
6495         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6496
6497         if ((win = find_window(ev->window)) == NULL) {
6498                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6499                         return;
6500                 free_window(win);
6501                 return;
6502         }
6503
6504         /* make sure we focus on something */
6505         win->floating = 0;
6506
6507         unmanage_window(win);
6508         stack();
6509         if (focus_mode == SWM_FOCUS_DEFAULT)
6510                 drain_enter_notify();
6511         free_window(win);
6512 }
6513
6514 void
6515 enternotify(XEvent *e)
6516 {
6517         XCrossingEvent          *ev = &e->xcrossing;
6518         XEvent                  cne;
6519         struct ws_win           *win;
6520 #if 0
6521         struct ws_win           *w;
6522         Window                  focus_return;
6523         int                     revert_to_return;
6524 #endif
6525         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6526             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6527             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6528             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6529
6530         if (ev->mode != NotifyNormal) {
6531                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6532                     "cursor grab.\n");
6533                 return;
6534         }
6535
6536         switch (focus_mode) {
6537         case SWM_FOCUS_DEFAULT:
6538                 break;
6539         case SWM_FOCUS_FOLLOW:
6540                 break;
6541         case SWM_FOCUS_SYNERGY:
6542 #if 0
6543         /*
6544          * all these checks need to be in this order because the
6545          * XCheckTypedWindowEvent relies on weeding out the previous events
6546          *
6547          * making this code an option would enable a follow mouse for focus
6548          * feature
6549          */
6550
6551         /*
6552          * state is set when we are switching workspaces and focus is set when
6553          * the window or a subwindow already has focus (occurs during restart).
6554          *
6555          * Only honor the focus flag if last_focus_event is not FocusOut,
6556          * this allows spectrwm to continue to control focus when another
6557          * program is also playing with it.
6558          */
6559         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6560                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6561                 return;
6562         }
6563
6564         /*
6565          * happens when a window is created or destroyed and the border
6566          * crosses the mouse pointer and when switching ws
6567          *
6568          * we need the subwindow test to see if we came from root in order
6569          * to give focus to floaters
6570          */
6571         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6572             ev->subwindow == 0) {
6573                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6574                 return;
6575         }
6576
6577         /* this window already has focus */
6578         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6579                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6580                 return;
6581         }
6582
6583         /* this window is being deleted or moved to another ws */
6584         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6585             &cne) == True) {
6586                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6587                 XPutBackEvent(display, &cne);
6588                 return;
6589         }
6590
6591         if ((win = find_window(ev->window)) == NULL) {
6592                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6593                 return;
6594         }
6595
6596         /*
6597          * In fullstack kill all enters unless they come from a different ws
6598          * (i.e. another region) or focus has been grabbed externally.
6599          */
6600         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6601             last_focus_event != FocusOut) {
6602                 XGetInputFocus(display, &focus_return, &revert_to_return);
6603                 if ((w = find_window(focus_return)) == NULL ||
6604                     w->ws == win->ws) {
6605                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6606                         return;
6607                 }
6608         }
6609 #endif
6610                 break;
6611         }
6612
6613         if ((win = find_window(ev->window)) == NULL) {
6614                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6615                 return;
6616         }
6617
6618         /*
6619          * if we have more enternotifies let them handle it in due time
6620          */
6621         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6622                 DNPRINTF(SWM_D_EVENT,
6623                     "ignoring enternotify: got more enternotify\n");
6624                 XPutBackEvent(display, &cne);
6625                 return;
6626         }
6627
6628         focus_magic(win);
6629 }
6630
6631 /* lets us use one switch statement for arbitrary mode/detail combinations */
6632 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6633
6634 void
6635 focusevent(XEvent *e)
6636 {
6637 #if 0
6638         struct ws_win           *win;
6639         u_int32_t               mode_detail;
6640         XFocusChangeEvent       *ev = &e->xfocus;
6641
6642         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6643             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6644             ev->window, ev->mode, ev->detail);
6645
6646         if (last_focus_event == ev->type) {
6647                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6648                 return;
6649         }
6650
6651         last_focus_event = ev->type;
6652         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6653
6654         switch (mode_detail) {
6655         /* synergy client focus operations */
6656         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6657         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6658
6659         /* synergy server focus operations */
6660         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6661
6662         /* Entering applications like rdesktop that mangle the pointer */
6663         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6664
6665                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6666                         XSetWindowBorder(display, win->id,
6667                             win->ws->r->s->c[ev->type == FocusIn ?
6668                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6669                 break;
6670         default:
6671                 warnx("ignoring focusevent");
6672                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6673                 break;
6674         }
6675 #endif
6676 }
6677
6678 void
6679 mapnotify(XEvent *e)
6680 {
6681         struct ws_win           *win;
6682         XMapEvent               *ev = &e->xmap;
6683
6684         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6685
6686         win = manage_window(ev->window);
6687         if (win)
6688                 set_win_state(win, NormalState);
6689
6690         /*
6691          * focus_win can only set input focus on a mapped window.
6692          * make sure the window really has focus since it is just being mapped.
6693          */
6694         if (win->ws->focus == win)
6695                 focus_win(win);
6696 }
6697
6698 void
6699 mappingnotify(XEvent *e)
6700 {
6701         XMappingEvent           *ev = &e->xmapping;
6702
6703         XRefreshKeyboardMapping(ev);
6704         if (ev->request == MappingKeyboard)
6705                 grabkeys();
6706 }
6707
6708 void
6709 maprequest(XEvent *e)
6710 {
6711         struct ws_win           *win;
6712         struct swm_region       *r;
6713         XWindowAttributes       wa;
6714         XMapRequestEvent        *ev = &e->xmaprequest;
6715
6716         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6717             e->xmaprequest.window);
6718
6719         if (!XGetWindowAttributes(display, ev->window, &wa))
6720                 return;
6721         if (wa.override_redirect)
6722                 return;
6723
6724         win = manage_window(e->xmaprequest.window);
6725         if (win == NULL)
6726                 return; /* can't happen */
6727
6728         stack();
6729
6730         /* make new win focused */
6731         r = root_to_region(win->wa.root);
6732         if (win->ws == r->ws)
6733                 focus_magic(win);
6734 }
6735
6736 void
6737 propertynotify(XEvent *e)
6738 {
6739         struct ws_win           *win;
6740         XPropertyEvent          *ev = &e->xproperty;
6741 #ifdef SWM_DEBUG
6742         char                    *name;
6743         name = XGetAtomName(display, ev->atom);
6744         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6745             ev->window, name);
6746         XFree(name);
6747 #endif
6748
6749         win = find_window(ev->window);
6750         if (win == NULL)
6751                 return;
6752
6753         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6754                 update_iconic(win, 0);
6755                 XMapRaised(display, win->id);
6756                 stack();
6757                 focus_win(win);
6758                 return;
6759         }
6760
6761         switch (ev->atom) {
6762 #if 0
6763         case XA_WM_NORMAL_HINTS:
6764                 long            mask;
6765                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6766                 warnx("normal hints: flag 0x%x", win->sh.flags);
6767                 if (win->sh.flags & PMinSize) {
6768                         WIDTH(win) = win->sh.min_width;
6769                         HEIGHT(win) = win->sh.min_height;
6770                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
6771                 }
6772                 XMoveResizeWindow(display, win->id,
6773                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6774 #endif
6775         case XA_WM_CLASS:
6776         case XA_WM_NAME:
6777                 bar_update();
6778                 break;
6779         default:
6780                 break;
6781         }
6782 }
6783
6784 void
6785 unmapnotify(XEvent *e)
6786 {
6787         struct ws_win           *win;
6788
6789         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
6790
6791         /* determine if we need to help unmanage this window */
6792         win = find_window(e->xunmap.window);
6793         if (win == NULL)
6794                 return;
6795
6796         if (getstate(e->xunmap.window) == NormalState) {
6797                 unmanage_window(win);
6798                 stack();
6799
6800                 /* giant hack for apps that don't destroy transient windows */
6801                 /* eat a bunch of events to prevent remanaging the window */
6802                 XEvent                  cne;
6803                 while (XCheckWindowEvent(display, e->xunmap.window,
6804                     EnterWindowMask, &cne))
6805                         ;
6806                 while (XCheckWindowEvent(display, e->xunmap.window,
6807                     StructureNotifyMask, &cne))
6808                         ;
6809                 while (XCheckWindowEvent(display, e->xunmap.window,
6810                     SubstructureNotifyMask, &cne))
6811                         ;
6812                 /* resend unmap because we ated it */
6813                 XUnmapWindow(display, e->xunmap.window);
6814         }
6815
6816         if (focus_mode == SWM_FOCUS_DEFAULT)
6817                 drain_enter_notify();
6818 }
6819
6820 void
6821 visibilitynotify(XEvent *e)
6822 {
6823         int                     i;
6824         struct swm_region       *r;
6825
6826         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
6827             e->xvisibility.window);
6828         if (e->xvisibility.state == VisibilityUnobscured)
6829                 for (i = 0; i < ScreenCount(display); i++)
6830                         TAILQ_FOREACH(r, &screens[i].rl, entry)
6831                                 if (e->xvisibility.window == r->bar_window)
6832                                         bar_update();
6833 }
6834
6835 void
6836 clientmessage(XEvent *e)
6837 {
6838         XClientMessageEvent *ev;
6839         struct ws_win *win;
6840
6841         ev = &e->xclient;
6842
6843         win = find_window(ev->window);
6844         if (win == NULL)
6845                 return;
6846
6847         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
6848             ev->window, ev->message_type);
6849
6850         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6851                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
6852                 focus_win(win);
6853         }
6854         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6855                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
6856                 if (win->can_delete)
6857                         client_msg(win, adelete);
6858                 else
6859                         XKillClient(display, win->id);
6860         }
6861         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6862                 DNPRINTF(SWM_D_EVENT,
6863                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
6864                 if (win->floating) {
6865                         if (ev->data.l[0] & (1<<8)) /* x */
6866                                 X(win) = ev->data.l[1];
6867                         if (ev->data.l[0] & (1<<9)) /* y */
6868                                 Y(win) = ev->data.l[2];
6869                         if (ev->data.l[0] & (1<<10)) /* width */
6870                                 WIDTH(win) = ev->data.l[3];
6871                         if (ev->data.l[0] & (1<<11)) /* height */
6872                                 HEIGHT(win) = ev->data.l[4];
6873
6874                         update_window(win);
6875                 }
6876                 else {
6877                         /* TODO: Change stack sizes */
6878                         /* notify no change was made. */
6879                         config_win(win, NULL);
6880                 }
6881         }
6882         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
6883                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
6884                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
6885                 if (ev->data.l[2])
6886                         ewmh_update_win_state(win, ev->data.l[2],
6887                             ev->data.l[0]);
6888
6889                 stack();
6890         }
6891 }
6892
6893 int
6894 xerror_start(Display *d, XErrorEvent *ee)
6895 {
6896         other_wm = 1;
6897         return (-1);
6898 }
6899
6900 int
6901 xerror(Display *d, XErrorEvent *ee)
6902 {
6903         /* warnx("error: %p %p", display, ee); */
6904         return (-1);
6905 }
6906
6907 int
6908 active_wm(void)
6909 {
6910         other_wm = 0;
6911         xerrorxlib = XSetErrorHandler(xerror_start);
6912
6913         /* this causes an error if some other window manager is running */
6914         XSelectInput(display, DefaultRootWindow(display),
6915             SubstructureRedirectMask);
6916         XSync(display, False);
6917         if (other_wm)
6918                 return (1);
6919
6920         XSetErrorHandler(xerror);
6921         XSync(display, False);
6922         return (0);
6923 }
6924
6925 void
6926 new_region(struct swm_screen *s, int x, int y, int w, int h)
6927 {
6928         struct swm_region       *r, *n;
6929         struct workspace        *ws = NULL;
6930         int                     i;
6931
6932         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6933              s->idx, w, h, x, y);
6934
6935         /* remove any conflicting regions */
6936         n = TAILQ_FIRST(&s->rl);
6937         while (n) {
6938                 r = n;
6939                 n = TAILQ_NEXT(r, entry);
6940                 if (X(r) < (x + w) &&
6941                     (X(r) + WIDTH(r)) > x &&
6942                     Y(r) < (y + h) &&
6943                     (Y(r) + HEIGHT(r)) > y) {
6944                         if (r->ws->r != NULL)
6945                                 r->ws->old_r = r->ws->r;
6946                         r->ws->r = NULL;
6947                         XDestroyWindow(display, r->bar_window);
6948                         TAILQ_REMOVE(&s->rl, r, entry);
6949                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6950                 }
6951         }
6952
6953         /* search old regions for one to reuse */
6954
6955         /* size + location match */
6956         TAILQ_FOREACH(r, &s->orl, entry)
6957                 if (X(r) == x && Y(r) == y &&
6958                     HEIGHT(r) == h && WIDTH(r) == w)
6959                         break;
6960
6961         /* size match */
6962         TAILQ_FOREACH(r, &s->orl, entry)
6963                 if (HEIGHT(r) == h && WIDTH(r) == w)
6964                         break;
6965
6966         if (r != NULL) {
6967                 TAILQ_REMOVE(&s->orl, r, entry);
6968                 /* try to use old region's workspace */
6969                 if (r->ws->r == NULL)
6970                         ws = r->ws;
6971         } else
6972                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6973                         err(1, "new_region: calloc: failed to allocate memory "
6974                             "for screen");
6975
6976         /* if we don't have a workspace already, find one */
6977         if (ws == NULL) {
6978                 for (i = 0; i < workspace_limit; i++)
6979                         if (s->ws[i].r == NULL) {
6980                                 ws = &s->ws[i];
6981                                 break;
6982                         }
6983         }
6984
6985         if (ws == NULL)
6986                 errx(1, "new_region: no free workspaces");
6987
6988         X(r) = x;
6989         Y(r) = y;
6990         WIDTH(r) = w;
6991         HEIGHT(r) = h;
6992         r->s = s;
6993         r->ws = ws;
6994         r->ws_prior = NULL;
6995         ws->r = r;
6996         outputs++;
6997         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6998 }
6999
7000 void
7001 scan_xrandr(int i)
7002 {
7003 #ifdef SWM_XRR_HAS_CRTC
7004         XRRCrtcInfo             *ci;
7005         XRRScreenResources      *sr;
7006         int                     c;
7007         int                     ncrtc = 0;
7008 #endif /* SWM_XRR_HAS_CRTC */
7009         struct swm_region       *r;
7010
7011
7012         if (i >= ScreenCount(display))
7013                 errx(1, "scan_xrandr: invalid screen");
7014
7015         /* remove any old regions */
7016         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7017                 r->ws->old_r = r->ws->r = NULL;
7018                 XDestroyWindow(display, r->bar_window);
7019                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7020                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7021         }
7022         outputs = 0;
7023
7024         /* map virtual screens onto physical screens */
7025 #ifdef SWM_XRR_HAS_CRTC
7026         if (xrandr_support) {
7027                 sr = XRRGetScreenResources(display, screens[i].root);
7028                 if (sr == NULL)
7029                         new_region(&screens[i], 0, 0,
7030                             DisplayWidth(display, i),
7031                             DisplayHeight(display, i));
7032                 else
7033                         ncrtc = sr->ncrtc;
7034
7035                 for (c = 0, ci = NULL; c < ncrtc; c++) {
7036                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
7037                         if (ci->noutput == 0)
7038                                 continue;
7039
7040                         if (ci != NULL && ci->mode == None)
7041                                 new_region(&screens[i], 0, 0,
7042                                     DisplayWidth(display, i),
7043                                     DisplayHeight(display, i));
7044                         else
7045                                 new_region(&screens[i],
7046                                     ci->x, ci->y, ci->width, ci->height);
7047                 }
7048                 if (ci)
7049                         XRRFreeCrtcInfo(ci);
7050                 XRRFreeScreenResources(sr);
7051         } else
7052 #endif /* SWM_XRR_HAS_CRTC */
7053         {
7054                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
7055                     DisplayHeight(display, i));
7056         }
7057 }
7058
7059 void
7060 screenchange(XEvent *e) {
7061         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7062         struct swm_region               *r;
7063         int                             i;
7064
7065         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7066
7067         if (!XRRUpdateConfiguration(e))
7068                 return;
7069
7070         /* silly event doesn't include the screen index */
7071         for (i = 0; i < ScreenCount(display); i++)
7072                 if (screens[i].root == xe->root)
7073                         break;
7074         if (i >= ScreenCount(display))
7075                 errx(1, "screenchange: screen not found");
7076
7077         /* brute force for now, just re-enumerate the regions */
7078         scan_xrandr(i);
7079
7080         /* add bars to all regions */
7081         for (i = 0; i < ScreenCount(display); i++)
7082                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7083                         bar_setup(r);
7084         stack();
7085         if (focus_mode == SWM_FOCUS_DEFAULT)
7086                 drain_enter_notify();
7087 }
7088
7089 void
7090 grab_windows(void)
7091 {
7092         Window                  d1, d2, *wins = NULL;
7093         XWindowAttributes       wa;
7094         unsigned int            no;
7095         int                     i, j;
7096         long                    state, manage;
7097
7098         for (i = 0; i < ScreenCount(display); i++) {
7099                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
7100                         continue;
7101
7102                 /* attach windows to a region */
7103                 /* normal windows */
7104                 for (j = 0; j < no; j++) {
7105                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7106                             wa.override_redirect ||
7107                             XGetTransientForHint(display, wins[j], &d1))
7108                                 continue;
7109
7110                         state = getstate(wins[j]);
7111                         manage = state == IconicState;
7112                         if (wa.map_state == IsViewable || manage)
7113                                 manage_window(wins[j]);
7114                 }
7115                 /* transient windows */
7116                 for (j = 0; j < no; j++) {
7117                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7118                             wa.override_redirect)
7119                                 continue;
7120
7121                         state = getstate(wins[j]);
7122                         manage = state == IconicState;
7123                         if (XGetTransientForHint(display, wins[j], &d1) &&
7124                             manage)
7125                                 manage_window(wins[j]);
7126                 }
7127                 if (wins) {
7128                         XFree(wins);
7129                         wins = NULL;
7130                 }
7131         }
7132 }
7133
7134 void
7135 setup_screens(void)
7136 {
7137         int                     i, j, k;
7138         int                     errorbase, major, minor;
7139         struct workspace        *ws;
7140         XGCValues               gcv;
7141
7142         if ((screens = calloc(ScreenCount(display),
7143              sizeof(struct swm_screen))) == NULL)
7144                 err(1, "setup_screens: calloc: failed to allocate memory for "
7145                     "screens");
7146
7147         /* initial Xrandr setup */
7148         xrandr_support = XRRQueryExtension(display,
7149             &xrandr_eventbase, &errorbase);
7150         if (xrandr_support)
7151                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
7152                         xrandr_support = 0;
7153
7154         /* map physical screens */
7155         for (i = 0; i < ScreenCount(display); i++) {
7156                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7157                 screens[i].idx = i;
7158                 TAILQ_INIT(&screens[i].rl);
7159                 TAILQ_INIT(&screens[i].orl);
7160                 screens[i].root = RootWindow(display, i);
7161
7162                 /* set default colors */
7163                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7164                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7165                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7166                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7167                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7168
7169                 /* create graphics context on screen with default font color */
7170                 screens[i].bar_gc = XCreateGC(display, screens[i].root, 0,
7171                     &gcv);
7172
7173                 XSetForeground(display, screens[i].bar_gc,
7174                     screens[i].c[SWM_S_COLOR_BAR_FONT].color);
7175
7176                 /* set default cursor */
7177                 XDefineCursor(display, screens[i].root,
7178                     XCreateFontCursor(display, XC_left_ptr));
7179
7180                 /* init all workspaces */
7181                 /* XXX these should be dynamically allocated too */
7182                 for (j = 0; j < SWM_WS_MAX; j++) {
7183                         ws = &screens[i].ws[j];
7184                         ws->idx = j;
7185                         ws->name = NULL;
7186                         ws->focus = NULL;
7187                         ws->r = NULL;
7188                         ws->old_r = NULL;
7189                         TAILQ_INIT(&ws->winlist);
7190                         TAILQ_INIT(&ws->unmanagedlist);
7191
7192                         for (k = 0; layouts[k].l_stack != NULL; k++)
7193                                 if (layouts[k].l_config != NULL)
7194                                         layouts[k].l_config(ws,
7195                                             SWM_ARG_ID_STACKINIT);
7196                         ws->cur_layout = &layouts[0];
7197                         ws->cur_layout->l_string(ws);
7198                 }
7199
7200                 scan_xrandr(i);
7201
7202                 if (xrandr_support)
7203                         XRRSelectInput(display, screens[i].root,
7204                             RRScreenChangeNotifyMask);
7205         }
7206 }
7207
7208 void
7209 setup_globals(void)
7210 {
7211         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7212                 err(1, "setup_globals: strdup: failed to allocate memory.");
7213
7214         if ((spawn_term[0] = strdup("xterm")) == NULL)
7215                 err(1, "setup_globals: strdup: failed to allocate memory.");
7216
7217         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7218                 err(1, "setup_globals: strdup: failed to allocate memory.");
7219 }
7220
7221 void
7222 workaround(void)
7223 {
7224         int                     i;
7225         Atom                    netwmcheck, netwmname, utf8_string;
7226         Window                  root, win;
7227
7228         /* work around sun jdk bugs, code from wmname */
7229         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
7230         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7231         utf8_string = XInternAtom(display, "UTF8_STRING", False);
7232         for (i = 0; i < ScreenCount(display); i++) {
7233                 root = screens[i].root;
7234                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
7235                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
7236                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
7237
7238                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
7239                     PropModeReplace, (unsigned char *)&win, 1);
7240                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
7241                     PropModeReplace, (unsigned char *)&win, 1);
7242                 XChangeProperty(display, win, netwmname, utf8_string, 8,
7243                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
7244         }
7245 }
7246
7247 int
7248 main(int argc, char *argv[])
7249 {
7250         struct swm_region       *r, *rr;
7251         struct ws_win           *winfocus = NULL;
7252         struct timeval          tv;
7253         union arg               a;
7254         char                    conf[PATH_MAX], *cfile = NULL;
7255         struct stat             sb;
7256         XEvent                  e;
7257         int                     xfd, i;
7258         fd_set                  rd;
7259         struct sigaction        sact;
7260
7261         start_argv = argv;
7262         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7263         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7264             !XSupportsLocale())
7265                 warnx("no locale support");
7266
7267         if (!X_HAVE_UTF8_STRING)
7268                 warnx("no UTF-8 support");
7269
7270         if (!(display = XOpenDisplay(0)))
7271                 errx(1, "can not open display");
7272
7273         if (active_wm())
7274                 errx(1, "other wm running");
7275
7276         /* handle some signals */
7277         bzero(&sact, sizeof(sact));
7278         sigemptyset(&sact.sa_mask);
7279         sact.sa_flags = 0;
7280         sact.sa_handler = sighdlr;
7281         sigaction(SIGINT, &sact, NULL);
7282         sigaction(SIGQUIT, &sact, NULL);
7283         sigaction(SIGTERM, &sact, NULL);
7284         sigaction(SIGHUP, &sact, NULL);
7285
7286         sact.sa_handler = sighdlr;
7287         sact.sa_flags = SA_NOCLDSTOP;
7288         sigaction(SIGCHLD, &sact, NULL);
7289
7290         astate = XInternAtom(display, "WM_STATE", False);
7291         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
7292         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
7293         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
7294         a_wmname = XInternAtom(display, "WM_NAME", False);
7295         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7296         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
7297         a_string = XInternAtom(display, "STRING", False);
7298         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
7299
7300         /* look for local and global conf file */
7301         pwd = getpwuid(getuid());
7302         if (pwd == NULL)
7303                 errx(1, "invalid user: %d", getuid());
7304
7305         setup_globals();
7306         setup_screens();
7307         setup_keys();
7308         setup_quirks();
7309         setup_spawn();
7310
7311         /* load config */
7312         for (i = 0; ; i++) {
7313                 conf[0] = '\0';
7314                 switch (i) {
7315                 case 0:
7316                         /* ~ */
7317                         snprintf(conf, sizeof conf, "%s/.%s",
7318                             pwd->pw_dir, SWM_CONF_FILE);
7319                         break;
7320                 case 1:
7321                         /* global */
7322                         snprintf(conf, sizeof conf, "/etc/%s",
7323                             SWM_CONF_FILE);
7324                         break;
7325                 case 2:
7326                         /* ~ compat */
7327                         snprintf(conf, sizeof conf, "%s/.%s",
7328                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7329                         break;
7330                 case 3:
7331                         /* global compat */
7332                         snprintf(conf, sizeof conf, "/etc/%s",
7333                             SWM_CONF_FILE_OLD);
7334                         break;
7335                 default:
7336                         goto noconfig;
7337                 }
7338
7339                 if (strlen(conf) && stat(conf, &sb) != -1)
7340                         if (S_ISREG(sb.st_mode)) {
7341                                 cfile = conf;
7342                                 break;
7343                         }
7344         }
7345 noconfig:
7346
7347         /* load conf (if any) and refresh font color in bar graphics contexts */
7348         if (cfile && conf_load(cfile, SWM_CONF_DEFAULT) == 0)
7349                 for (i = 0; i < ScreenCount(display); ++i)
7350                         XSetForeground(display, screens[i].bar_gc,
7351                             screens[i].c[SWM_S_COLOR_BAR_FONT].color);
7352
7353         setup_ewmh();
7354         /* set some values to work around bad programs */
7355         workaround();
7356         /* grab existing windows (before we build the bars) */
7357         grab_windows();
7358
7359         if (getenv("SWM_STARTED") == NULL)
7360                 setenv("SWM_STARTED", "YES", 1);
7361
7362         /* setup all bars */
7363         for (i = 0; i < ScreenCount(display); i++)
7364                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7365                         if (winfocus == NULL)
7366                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7367                         bar_setup(r);
7368                 }
7369
7370         unfocus_all();
7371
7372         grabkeys();
7373         stack();
7374         if (focus_mode == SWM_FOCUS_DEFAULT)
7375                 drain_enter_notify();
7376
7377         xfd = ConnectionNumber(display);
7378         while (running) {
7379                 while (XPending(display)) {
7380                         XNextEvent(display, &e);
7381                         if (running == 0)
7382                                 goto done;
7383                         if (e.type < LASTEvent) {
7384                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7385                                     "window: 0x%lx, type: %s (%d), %d remaining"
7386                                     "\n", YESNO(handler[e.type]),
7387                                     e.xany.window, geteventname(&e),
7388                                     e.type, QLength(display));
7389
7390                                 if (handler[e.type])
7391                                         handler[e.type](&e);
7392                         } else {
7393                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7394                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7395                                     xrandr_geteventname(&e), e.type);
7396
7397                                 switch (e.type - xrandr_eventbase) {
7398                                 case RRScreenChangeNotify:
7399                                         screenchange(&e);
7400                                         break;
7401                                 default:
7402                                         break;
7403                                 }
7404                         }
7405                 }
7406
7407                 /* if we are being restarted go focus on first window */
7408                 if (winfocus) {
7409                         rr = winfocus->ws->r;
7410                         if (rr == NULL) {
7411                                 /* not a visible window */
7412                                 winfocus = NULL;
7413                                 continue;
7414                         }
7415                         /* move pointer to first screen if multi screen */
7416                         if (ScreenCount(display) > 1 || outputs > 1)
7417                                 XWarpPointer(display, None, rr->s[0].root,
7418                                     0, 0, 0, 0, X(rr),
7419                                     Y(rr) + (bar_enabled ? bar_height : 0));
7420
7421                         a.id = SWM_ARG_ID_FOCUSCUR;
7422                         focus(rr, &a);
7423                         winfocus = NULL;
7424                         continue;
7425                 }
7426
7427                 FD_ZERO(&rd);
7428                 FD_SET(xfd, &rd);
7429                 tv.tv_sec = 1;
7430                 tv.tv_usec = 0;
7431                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7432                         if (errno != EINTR)
7433                                 DNPRINTF(SWM_D_MISC, "select failed");
7434                 if (restart_wm == 1)
7435                         restart(NULL, NULL);
7436                 if (search_resp == 1)
7437                         search_do_resp();
7438                 if (running == 0)
7439                         goto done;
7440                 if (bar_alarm) {
7441                         bar_alarm = 0;
7442                         bar_update();
7443                 }
7444         }
7445 done:
7446         teardown_ewmh();
7447         bar_extra_stop();
7448
7449         for (i = 0; i < ScreenCount(display); ++i)
7450                 if (screens[i].bar_gc != NULL)
7451                         XFreeGC(display, screens[i].bar_gc);
7452
7453         XFreeFontSet(display, bar_fs);
7454         XCloseDisplay(display);
7455
7456         return (0);
7457 }