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 struct passwd           *pwd;
 316
 317 #define SWM_MENU_FN     (2)
 318 #define SWM_MENU_NB     (4)
 319 #define SWM_MENU_NF     (6)
 320 #define SWM_MENU_SB     (8)
 321 #define SWM_MENU_SF     (10)
 322
 323 /* layout manager data */
 324 struct swm_geometry {
 325         int                     x;
 326         int                     y;
 327         int                     w;
 328         int                     h;
 329 };
 330
 331 struct swm_screen;
 332 struct workspace;
 333
 334 /* virtual "screens" */
 335 struct swm_region {
 336         TAILQ_ENTRY(swm_region) entry;
 337         struct swm_geometry     g;
 338         struct workspace        *ws;    /* current workspace on this region */
 339         struct workspace        *ws_prior; /* prior workspace on this region */
 340         struct swm_screen       *s;     /* screen idx */
 341         Window                  bar_window;
 342 };
 343 TAILQ_HEAD(swm_region_list, swm_region);
 344
 345 struct ws_win {
 346         TAILQ_ENTRY(ws_win)     entry;
 347         Window                  id;
 348         Window                  transient;
 349         struct ws_win           *child_trans;   /* transient child window */
 350         struct swm_geometry     g;              /* current geometry */
 351         struct swm_geometry     g_float;        /* geometry when floating */
 352         struct swm_geometry     rg_float;       /* region geom when floating */
 353         int                     g_floatvalid;   /* g_float geometry validity */
 354         int                     floatmaxed;     /* whether maxed by max_stack */
 355         int                     floating;
 356         int                     manual;
 357         int                     iconic;
 358         unsigned int            ewmh_flags;
 359         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 360         int                     font_steps;
 361         int                     last_inc;
 362         int                     can_delete;
 363         int                     take_focus;
 364         int                     java;
 365         unsigned long           quirks;
 366         struct workspace        *ws;    /* always valid */
 367         struct swm_screen       *s;     /* always valid, never changes */
 368         XWindowAttributes       wa;
 369         XSizeHints              sh;
 370         long                    sh_mask;
 371         XClassHint              ch;
 372         XWMHints                *hints;
 373 };
 374 TAILQ_HEAD(ws_win_list, ws_win);
 375
 376 /* pid goo */
 377 struct pid_e {
 378         TAILQ_ENTRY(pid_e)      entry;
 379         long                    pid;
 380         int                     ws;
 381 };
 382 TAILQ_HEAD(pid_list, pid_e);
 383 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 384
 385 /* layout handlers */
 386 void    stack(void);
 387 void    vertical_config(struct workspace *, int);
 388 void    vertical_stack(struct workspace *, struct swm_geometry *);
 389 void    horizontal_config(struct workspace *, int);
 390 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 391 void    max_stack(struct workspace *, struct swm_geometry *);
 392 void    plain_stacker(struct workspace *);
 393 void    fancy_stacker(struct workspace *);
 394
 395 struct ws_win *find_window(Window);
 396
 397 void    grabbuttons(struct ws_win *, int);
 398 void    new_region(struct swm_screen *, int, int, int, int);
 399 void    unmanage_window(struct ws_win *);
 400 long    getstate(Window);
 401
 402 int     conf_load(char *, int);
 403
 404 struct layout {
 405         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 406         void            (*l_config)(struct workspace *, int);
 407         u_int32_t       flags;
 408 #define SWM_L_FOCUSPREV         (1<<0)
 409 #define SWM_L_MAPONFOCUS        (1<<1)
 410         void            (*l_string)(struct workspace *);
 411 } layouts[] =  {
 412         /* stack,               configure */
 413         { vertical_stack,       vertical_config,        0,      plain_stacker },
 414         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 415         { max_stack,            NULL,
 416           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 417         { NULL,                 NULL,                   0,      NULL  },
 418 };
 419
 420 /* position of max_stack mode in the layouts array, index into layouts! */
 421 #define SWM_V_STACK             (0)
 422 #define SWM_H_STACK             (1)
 423 #define SWM_MAX_STACK           (2)
 424
 425 #define SWM_H_SLICE             (32)
 426 #define SWM_V_SLICE             (32)
 427
 428 /* define work spaces */
 429 struct workspace {
 430         int                     idx;            /* workspace index */
 431         char                    *name;          /* workspace name */
 432         int                     always_raise;   /* raise windows on focus */
 433         struct layout           *cur_layout;    /* current layout handlers */
 434         struct ws_win           *focus;         /* may be NULL */
 435         struct ws_win           *focus_prev;    /* may be NULL */
 436         struct swm_region       *r;             /* may be NULL */
 437         struct swm_region       *old_r;         /* may be NULL */
 438         struct ws_win_list      winlist;        /* list of windows in ws */
 439         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 440         char                    stacker[10];    /* display stacker and layout */
 441
 442         /* stacker state */
 443         struct {
 444                                 int horizontal_msize;
 445                                 int horizontal_mwin;
 446                                 int horizontal_stacks;
 447                                 int horizontal_flip;
 448                                 int vertical_msize;
 449                                 int vertical_mwin;
 450                                 int vertical_stacks;
 451                                 int vertical_flip;
 452         } l_state;
 453 };
 454
 455 enum {
 456         SWM_S_COLOR_BAR,
 457         SWM_S_COLOR_BAR_BORDER,
 458         SWM_S_COLOR_BAR_FONT,
 459         SWM_S_COLOR_FOCUS,
 460         SWM_S_COLOR_UNFOCUS,
 461         SWM_S_COLOR_MAX
 462 };
 463
 464 /* physical screen mapping */
 465 #define SWM_WS_MAX              (22)    /* hard limit */
 466 int             workspace_limit = 10;   /* soft limit */
 467
 468 struct swm_screen {
 469         int                     idx;    /* screen index */
 470         struct swm_region_list  rl;     /* list of regions on this screen */
 471         struct swm_region_list  orl;    /* list of old regions */
 472         Window                  root;
 473         struct workspace        ws[SWM_WS_MAX];
 474
 475         /* colors */
 476         struct {
 477                 unsigned long   color;
 478                 char            *name;
 479         } c[SWM_S_COLOR_MAX];
 480
 481         GC                      bar_gc;
 482 };
 483 struct swm_screen       *screens;
 484
 485 /* args to functions */
 486 union arg {
 487         int                     id;
 488 #define SWM_ARG_ID_FOCUSNEXT    (0)
 489 #define SWM_ARG_ID_FOCUSPREV    (1)
 490 #define SWM_ARG_ID_FOCUSMAIN    (2)
 491 #define SWM_ARG_ID_FOCUSCUR     (4)
 492 #define SWM_ARG_ID_SWAPNEXT     (10)
 493 #define SWM_ARG_ID_SWAPPREV     (11)
 494 #define SWM_ARG_ID_SWAPMAIN     (12)
 495 #define SWM_ARG_ID_MOVELAST     (13)
 496 #define SWM_ARG_ID_MASTERSHRINK (20)
 497 #define SWM_ARG_ID_MASTERGROW   (21)
 498 #define SWM_ARG_ID_MASTERADD    (22)
 499 #define SWM_ARG_ID_MASTERDEL    (23)
 500 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 501 #define SWM_ARG_ID_STACKRESET   (30)
 502 #define SWM_ARG_ID_STACKINIT    (31)
 503 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 504 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 505 #define SWM_ARG_ID_CYCLESC_UP   (42)
 506 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 507 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 508 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 509 #define SWM_ARG_ID_STACKINC     (50)
 510 #define SWM_ARG_ID_STACKDEC     (51)
 511 #define SWM_ARG_ID_SS_ALL       (60)
 512 #define SWM_ARG_ID_SS_WINDOW    (61)
 513 #define SWM_ARG_ID_DONTCENTER   (70)
 514 #define SWM_ARG_ID_CENTER       (71)
 515 #define SWM_ARG_ID_KILLWINDOW   (80)
 516 #define SWM_ARG_ID_DELETEWINDOW (81)
 517 #define SWM_ARG_ID_WIDTHGROW    (90)
 518 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 519 #define SWM_ARG_ID_HEIGHTGROW   (92)
 520 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 521 #define SWM_ARG_ID_MOVEUP       (100)
 522 #define SWM_ARG_ID_MOVEDOWN     (101)
 523 #define SWM_ARG_ID_MOVELEFT     (102)
 524 #define SWM_ARG_ID_MOVERIGHT    (103)
 525         char                    **argv;
 526 };
 527
 528 void    focus(struct swm_region *, union arg *);
 529 void    focus_magic(struct ws_win *);
 530
 531 /* quirks */
 532 struct quirk {
 533         TAILQ_ENTRY(quirk)      entry;
 534         char                    *class;
 535         char                    *name;
 536         unsigned long           quirk;
 537 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 538 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 539 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 540 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 541 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 542 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 543 };
 544 TAILQ_HEAD(quirk_list, quirk);
 545 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 546
 547 /*
 548  * Supported EWMH hints should be added to
 549  * both the enum and the ewmh array
 550  */
 551 enum {
 552         _NET_ACTIVE_WINDOW,
 553         _NET_CLOSE_WINDOW,
 554         _NET_MOVERESIZE_WINDOW,
 555         _NET_WM_ACTION_CLOSE,
 556         _NET_WM_ACTION_FULLSCREEN,
 557         _NET_WM_ACTION_MOVE,
 558         _NET_WM_ACTION_RESIZE,
 559         _NET_WM_ALLOWED_ACTIONS,
 560         _NET_WM_STATE,
 561         _NET_WM_STATE_ABOVE,
 562         _NET_WM_STATE_FULLSCREEN,
 563         _NET_WM_STATE_HIDDEN,
 564         _NET_WM_STATE_MAXIMIZED_HORZ,
 565         _NET_WM_STATE_MAXIMIZED_VERT,
 566         _NET_WM_STATE_SKIP_PAGER,
 567         _NET_WM_STATE_SKIP_TASKBAR,
 568         _NET_WM_WINDOW_TYPE,
 569         _NET_WM_WINDOW_TYPE_DIALOG,
 570         _NET_WM_WINDOW_TYPE_DOCK,
 571         _NET_WM_WINDOW_TYPE_NORMAL,
 572         _NET_WM_WINDOW_TYPE_SPLASH,
 573         _NET_WM_WINDOW_TYPE_TOOLBAR,
 574         _NET_WM_WINDOW_TYPE_UTILITY,
 575         _SWM_WM_STATE_MANUAL,
 576         SWM_EWMH_HINT_MAX
 577 };
 578
 579 struct ewmh_hint {
 580         char    *name;
 581         Atom     atom;
 582 } ewmh[SWM_EWMH_HINT_MAX] =     {
 583     /* must be in same order as in the enum */
 584     {"_NET_ACTIVE_WINDOW", None},
 585     {"_NET_CLOSE_WINDOW", None},
 586     {"_NET_MOVERESIZE_WINDOW", None},
 587     {"_NET_WM_ACTION_CLOSE", None},
 588     {"_NET_WM_ACTION_FULLSCREEN", None},
 589     {"_NET_WM_ACTION_MOVE", None},
 590     {"_NET_WM_ACTION_RESIZE", None},
 591     {"_NET_WM_ALLOWED_ACTIONS", None},
 592     {"_NET_WM_STATE", None},
 593     {"_NET_WM_STATE_ABOVE", None},
 594     {"_NET_WM_STATE_FULLSCREEN", None},
 595     {"_NET_WM_STATE_HIDDEN", None},
 596     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 597     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 598     {"_NET_WM_STATE_SKIP_PAGER", None},
 599     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 600     {"_NET_WM_WINDOW_TYPE", None},
 601     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 602     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 603     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 604     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 605     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 606     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 607     {"_SWM_WM_STATE_MANUAL", None},
 608 };
 609
 610 void             store_float_geom(struct ws_win *, struct swm_region *);
 611 int              floating_toggle_win(struct ws_win *);
 612 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 613 unsigned char   *get_win_name(Window);
 614
 615 int
 616 get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
 617     unsigned long *nbytes, unsigned char **data)
 618 {
 619         int                     format, status;
 620         unsigned long           *nbytes_ret, *nitems_ret;
 621         unsigned long           nbytes_tmp, nitems_tmp;
 622         Atom                    real;
 623
 624         nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
 625         nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
 626
 627         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 628             &real, &format, nitems_ret, nbytes_ret, data);
 629
 630         if (status != Success)
 631                 return (False);
 632         if (real != type)
 633                 return (False);
 634
 635         return (True);
 636 }
 637
 638 void
 639 update_iconic(struct ws_win *win, int newv)
 640 {
 641         int32_t v = newv;
 642         Atom iprop;
 643
 644         win->iconic = newv;
 645
 646         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 647         if (!iprop)
 648                 return;
 649         if (newv)
 650                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 651                     PropModeReplace, (unsigned char *)&v, 1);
 652         else
 653                 XDeleteProperty(display, win->id, iprop);
 654 }
 655
 656 int
 657 get_iconic(struct ws_win *win)
 658 {
 659         int32_t v = 0;
 660         int retfmt, status;
 661         Atom iprop, rettype;
 662         unsigned long nitems, extra;
 663         unsigned char *prop = NULL;
 664
 665         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 666         if (!iprop)
 667                 goto out;
 668         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 669             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 670         if (status != Success)
 671                 goto out;
 672         if (rettype != XA_INTEGER || retfmt != 32)
 673                 goto out;
 674         if (nitems != 1)
 675                 goto out;
 676         v = *((int32_t *)prop);
 677
 678 out:
 679         if (prop != NULL)
 680                 XFree(prop);
 681         return (v);
 682 }
 683
 684 void
 685 setup_ewmh(void)
 686 {
 687         int                     i,j;
 688         Atom                    sup_list;
 689
 690         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 691
 692         for (i = 0; i < LENGTH(ewmh); i++)
 693                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 694
 695         for (i = 0; i < ScreenCount(display); i++) {
 696                 /* Support check window will be created by workaround(). */
 697
 698                 /* Report supported atoms */
 699                 XDeleteProperty(display, screens[i].root, sup_list);
 700                 for (j = 0; j < LENGTH(ewmh); j++)
 701                         XChangeProperty(display, screens[i].root,
 702                             sup_list, XA_ATOM, 32,
 703                             PropModeAppend, (unsigned char *)&ewmh[j].atom, 1);
 704         }
 705 }
 706
 707 void
 708 teardown_ewmh(void)
 709 {
 710         int                     i, success;
 711         unsigned char           *data = NULL;
 712         unsigned long           n;
 713         Atom                    sup_check, sup_list;
 714         Window                  id;
 715
 716         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 717         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 718
 719         for (i = 0; i < ScreenCount(display); i++) {
 720                 /* Get the support check window and destroy it */
 721                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 722                     &n, NULL, &data);
 723
 724                 if (success) {
 725                         id = data[0];
 726                         XDestroyWindow(display, id);
 727                         XDeleteProperty(display, screens[i].root, sup_check);
 728                         XDeleteProperty(display, screens[i].root, sup_list);
 729                 }
 730
 731                 XFree(data);
 732         }
 733 }
 734
 735 void
 736 ewmh_autoquirk(struct ws_win *win)
 737 {
 738         int                     success, i;
 739         unsigned long           *data = NULL, n;
 740         Atom                    type;
 741
 742         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 743             XA_ATOM, &n, NULL, (void *)&data);
 744
 745         if (!success) {
 746                 XFree(data);
 747                 return;
 748         }
 749
 750         for (i = 0; i < n; i++) {
 751                 type = data[i];
 752                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 753                         break;
 754                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 755                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 756                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 757                         win->floating = 1;
 758                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 759                         break;
 760                 }
 761                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 762                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 763                         win->floating = 1;
 764                         win->quirks = SWM_Q_FLOAT;
 765                         break;
 766                 }
 767         }
 768
 769         XFree(data);
 770 }
 771
 772 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 773 #define EWMH_F_FULLSCREEN               (1<<0)
 774 #define EWMH_F_ABOVE                    (1<<1)
 775 #define EWMH_F_HIDDEN                   (1<<2)
 776 #define EWMH_F_SKIP_PAGER               (1<<3)
 777 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 778 #define SWM_F_MANUAL                    (1<<5)
 779
 780 int
 781 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 782 {
 783         struct swm_geometry     rg;
 784
 785         if (!win->ws->r)
 786                 return (0);
 787
 788         if (!win->floating)
 789                 return (0);
 790
 791         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 792             "fullscreen %s\n", win->id, YESNO(fs));
 793
 794         rg = win->ws->r->g;
 795
 796         if (fs) {
 797                 store_float_geom(win, win->ws->r);
 798
 799                 win->g = rg;
 800         } else {
 801                 if (win->g_floatvalid) {
 802                         /* refloat at last floating relative position */
 803                         X(win) = win->g_float.x - win->rg_float.x + rg.x;
 804                         Y(win) = win->g_float.y - win->rg_float.y + rg.y;
 805                         WIDTH(win) = win->g_float.w;
 806                         HEIGHT(win) = win->g_float.h;
 807                 }
 808         }
 809
 810         return (1);
 811 }
 812
 813 void
 814 ewmh_update_actions(struct ws_win *win)
 815 {
 816         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 817         int                     n = 0;
 818
 819         if (win == NULL)
 820                 return;
 821
 822         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 823
 824         if (win->floating) {
 825                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 826                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 827         }
 828
 829         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 830             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 831 }
 832
 833 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 834 #define _NET_WM_STATE_ADD       1    /* add/set property */
 835 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 836
 837 void
 838 ewmh_update_win_state(struct ws_win *win, long state, long action)
 839 {
 840         unsigned int            mask = 0;
 841         unsigned int            changed = 0;
 842         unsigned int            orig_flags;
 843
 844         if (win == NULL)
 845                 return;
 846
 847         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 848                 mask = EWMH_F_FULLSCREEN;
 849         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 850                 mask = EWMH_F_ABOVE;
 851         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 852                 mask = SWM_F_MANUAL;
 853         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 854                 mask = EWMH_F_SKIP_PAGER;
 855         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 856                 mask = EWMH_F_SKIP_TASKBAR;
 857
 858
 859         orig_flags = win->ewmh_flags;
 860
 861         switch (action) {
 862         case _NET_WM_STATE_REMOVE:
 863                 win->ewmh_flags &= ~mask;
 864                 break;
 865         case _NET_WM_STATE_ADD:
 866                 win->ewmh_flags |= mask;
 867                 break;
 868         case _NET_WM_STATE_TOGGLE:
 869                 win->ewmh_flags ^= mask;
 870                 break;
 871         }
 872
 873         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 874
 875         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 876                 if (changed)
 877                         if (!floating_toggle_win(win))
 878                                 win->ewmh_flags = orig_flags; /* revert */
 879         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 880                 if (changed)
 881                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 882         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 883                 if (changed)
 884                         if (!ewmh_set_win_fullscreen(win,
 885                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 886                                 win->ewmh_flags = orig_flags; /* revert */
 887
 888         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 889
 890         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 891                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 892                     XA_ATOM, 32, PropModeAppend,
 893                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 894         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 895                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 896                     XA_ATOM, 32, PropModeAppend,
 897                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 898         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 899                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 900                     XA_ATOM, 32, PropModeAppend,
 901                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 902         if (win->ewmh_flags & EWMH_F_ABOVE)
 903                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 904                     XA_ATOM, 32, PropModeAppend,
 905                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 906         if (win->ewmh_flags & SWM_F_MANUAL)
 907                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 908                     XA_ATOM, 32, PropModeAppend,
 909                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 910 }
 911
 912 void
 913 ewmh_get_win_state(struct ws_win *win)
 914 {
 915         int                     success, i;
 916         unsigned long           n;
 917         Atom                    *states;
 918
 919         if (win == NULL)
 920                 return;
 921
 922         win->ewmh_flags = 0;
 923         if (win->floating)
 924                 win->ewmh_flags |= EWMH_F_ABOVE;
 925         if (win->manual)
 926                 win->ewmh_flags |= SWM_F_MANUAL;
 927
 928         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 929             (~0L), XA_ATOM, &n, NULL, (void *)&states);
 930
 931         if (!success)
 932                 return;
 933
 934         for (i = 0; i < n; i++)
 935                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 936
 937         XFree(states);
 938 }
 939
 940 /* events */
 941 #ifdef SWM_DEBUG
 942 char *
 943 geteventname(XEvent *e)
 944 {
 945         char                    *name = NULL;
 946
 947         switch (e->type) {
 948         case KeyPress:
 949                 name = "KeyPress";
 950                 break;
 951         case KeyRelease:
 952                 name = "KeyRelease";
 953                 break;
 954         case ButtonPress:
 955                 name = "ButtonPress";
 956                 break;
 957         case ButtonRelease:
 958                 name = "ButtonRelease";
 959                 break;
 960         case MotionNotify:
 961                 name = "MotionNotify";
 962                 break;
 963         case EnterNotify:
 964                 name = "EnterNotify";
 965                 break;
 966         case LeaveNotify:
 967                 name = "LeaveNotify";
 968                 break;
 969         case FocusIn:
 970                 name = "FocusIn";
 971                 break;
 972         case FocusOut:
 973                 name = "FocusOut";
 974                 break;
 975         case KeymapNotify:
 976                 name = "KeymapNotify";
 977                 break;
 978         case Expose:
 979                 name = "Expose";
 980                 break;
 981         case GraphicsExpose:
 982                 name = "GraphicsExpose";
 983                 break;
 984         case NoExpose:
 985                 name = "NoExpose";
 986                 break;
 987         case VisibilityNotify:
 988                 name = "VisibilityNotify";
 989                 break;
 990         case CreateNotify:
 991                 name = "CreateNotify";
 992                 break;
 993         case DestroyNotify:
 994                 name = "DestroyNotify";
 995                 break;
 996         case UnmapNotify:
 997                 name = "UnmapNotify";
 998                 break;
 999         case MapNotify:
1000                 name = "MapNotify";
1001                 break;
1002         case MapRequest:
1003                 name = "MapRequest";
1004                 break;
1005         case ReparentNotify:
1006                 name = "ReparentNotify";
1007                 break;
1008         case ConfigureNotify:
1009                 name = "ConfigureNotify";
1010                 break;
1011         case ConfigureRequest:
1012                 name = "ConfigureRequest";
1013                 break;
1014         case GravityNotify:
1015                 name = "GravityNotify";
1016                 break;
1017         case ResizeRequest:
1018                 name = "ResizeRequest";
1019                 break;
1020         case CirculateNotify:
1021                 name = "CirculateNotify";
1022                 break;
1023         case CirculateRequest:
1024                 name = "CirculateRequest";
1025                 break;
1026         case PropertyNotify:
1027                 name = "PropertyNotify";
1028                 break;
1029         case SelectionClear:
1030                 name = "SelectionClear";
1031                 break;
1032         case SelectionRequest:
1033                 name = "SelectionRequest";
1034                 break;
1035         case SelectionNotify:
1036                 name = "SelectionNotify";
1037                 break;
1038         case ColormapNotify:
1039                 name = "ColormapNotify";
1040                 break;
1041         case ClientMessage:
1042                 name = "ClientMessage";
1043                 break;
1044         case MappingNotify:
1045                 name = "MappingNotify";
1046                 break;
1047         default:
1048                 name = "Unknown";
1049         }
1050
1051         return (name);
1052 }
1053
1054 char *
1055 xrandr_geteventname(XEvent *e)
1056 {
1057         char                    *name = NULL;
1058
1059         switch(e->type - xrandr_eventbase) {
1060         case RRScreenChangeNotify:
1061                 name = "RRScreenChangeNotify";
1062                 break;
1063         default:
1064                 name = "Unknown";
1065         }
1066
1067         return (name);
1068 }
1069
1070 void
1071 dumpwins(struct swm_region *r, union arg *args)
1072 {
1073         struct ws_win           *win;
1074         unsigned int            state;
1075         XWindowAttributes       wa;
1076
1077         if (r->ws == NULL) {
1078                 warnx("dumpwins: invalid workspace");
1079                 return;
1080         }
1081
1082         warnx("=== managed window list ws %02d ===", r->ws->idx);
1083
1084         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1085                 state = getstate(win->id);
1086                 if (!XGetWindowAttributes(display, win->id, &wa))
1087                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1088                             win->id);
1089                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1090                     "transient: 0x%lx", win->id, wa.map_state, state,
1091                     win->transient);
1092         }
1093
1094         warnx("===== unmanaged window list =====");
1095         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1096                 state = getstate(win->id);
1097                 if (!XGetWindowAttributes(display, win->id, &wa))
1098                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1099                             win->id);
1100                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1101                     "transient: 0x%lx", win->id, wa.map_state, state,
1102                     win->transient);
1103         }
1104
1105         warnx("=================================");
1106 }
1107 #else
1108 void
1109 dumpwins(struct swm_region *r, union arg *args)
1110 {
1111 }
1112 #endif /* SWM_DEBUG */
1113
1114 void                    expose(XEvent *);
1115 void                    keypress(XEvent *);
1116 void                    buttonpress(XEvent *);
1117 void                    configurerequest(XEvent *);
1118 void                    configurenotify(XEvent *);
1119 void                    destroynotify(XEvent *);
1120 void                    enternotify(XEvent *);
1121 void                    focusevent(XEvent *);
1122 void                    mapnotify(XEvent *);
1123 void                    mappingnotify(XEvent *);
1124 void                    maprequest(XEvent *);
1125 void                    propertynotify(XEvent *);
1126 void                    unmapnotify(XEvent *);
1127 void                    visibilitynotify(XEvent *);
1128 void                    clientmessage(XEvent *);
1129
1130 void                    (*handler[LASTEvent])(XEvent *) = {
1131                                 [Expose] = expose,
1132                                 [KeyPress] = keypress,
1133                                 [ButtonPress] = buttonpress,
1134                                 [ConfigureRequest] = configurerequest,
1135                                 [ConfigureNotify] = configurenotify,
1136                                 [DestroyNotify] = destroynotify,
1137                                 [EnterNotify] = enternotify,
1138                                 [FocusIn] = focusevent,
1139                                 [FocusOut] = focusevent,
1140                                 [MapNotify] = mapnotify,
1141                                 [MappingNotify] = mappingnotify,
1142                                 [MapRequest] = maprequest,
1143                                 [PropertyNotify] = propertynotify,
1144                                 [UnmapNotify] = unmapnotify,
1145                                 [VisibilityNotify] = visibilitynotify,
1146                                 [ClientMessage] = clientmessage,
1147 };
1148
1149 void
1150 sighdlr(int sig)
1151 {
1152         int                     saved_errno, status;
1153         pid_t                   pid;
1154
1155         saved_errno = errno;
1156
1157         switch (sig) {
1158         case SIGCHLD:
1159                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1160                         if (pid == -1) {
1161                                 if (errno == EINTR)
1162                                         continue;
1163 #ifdef SWM_DEBUG
1164                                 if (errno != ECHILD)
1165                                         warn("sighdlr: waitpid");
1166 #endif /* SWM_DEBUG */
1167                                 break;
1168                         }
1169                         if (pid == searchpid)
1170                                 search_resp = 1;
1171
1172 #ifdef SWM_DEBUG
1173                         if (WIFEXITED(status)) {
1174                                 if (WEXITSTATUS(status) != 0)
1175                                         warnx("sighdlr: child exit status: %d",
1176                                             WEXITSTATUS(status));
1177                         } else
1178                                 warnx("sighdlr: child is terminated "
1179                                     "abnormally");
1180 #endif /* SWM_DEBUG */
1181                 }
1182                 break;
1183
1184         case SIGHUP:
1185                 restart_wm = 1;
1186                 break;
1187         case SIGINT:
1188         case SIGTERM:
1189         case SIGQUIT:
1190                 running = 0;
1191                 break;
1192         }
1193
1194         errno = saved_errno;
1195 }
1196
1197 struct pid_e *
1198 find_pid(long pid)
1199 {
1200         struct pid_e            *p = NULL;
1201
1202         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1203
1204         if (pid == 0)
1205                 return (NULL);
1206
1207         TAILQ_FOREACH(p, &pidlist, entry) {
1208                 if (p->pid == pid)
1209                         return (p);
1210         }
1211
1212         return (NULL);
1213 }
1214
1215 unsigned long
1216 name_to_color(char *colorname)
1217 {
1218         Colormap                cmap;
1219         Status                  status;
1220         XColor                  screen_def, exact_def;
1221         unsigned long           result = 0;
1222         char                    cname[32] = "#";
1223
1224         cmap = DefaultColormap(display, screens[0].idx);
1225         status = XAllocNamedColor(display, cmap, colorname,
1226             &screen_def, &exact_def);
1227         if (!status) {
1228                 strlcat(cname, colorname + 2, sizeof cname - 1);
1229                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1230                     &exact_def);
1231         }
1232         if (status)
1233                 result = screen_def.pixel;
1234         else
1235                 warnx("color '%s' not found", colorname);
1236
1237         return (result);
1238 }
1239
1240 void
1241 setscreencolor(char *val, int i, int c)
1242 {
1243         if (i > 0 && i <= ScreenCount(display)) {
1244                 screens[i - 1].c[c].color = name_to_color(val);
1245                 free(screens[i - 1].c[c].name);
1246                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1247                         err(1, "strdup");
1248         } else if (i == -1) {
1249                 for (i = 0; i < ScreenCount(display); i++) {
1250                         screens[i].c[c].color = name_to_color(val);
1251                         free(screens[i].c[c].name);
1252                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1253                                 err(1, "strdup");
1254                 }
1255         } else
1256                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1257                     i, ScreenCount(display));
1258 }
1259
1260 void
1261 fancy_stacker(struct workspace *ws)
1262 {
1263         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1264         if (ws->cur_layout->l_stack == vertical_stack)
1265                 snprintf(ws->stacker, sizeof ws->stacker,
1266                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1267                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1268         if (ws->cur_layout->l_stack == horizontal_stack)
1269                 snprintf(ws->stacker, sizeof ws->stacker,
1270                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1271                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1272 }
1273
1274 void
1275 plain_stacker(struct workspace *ws)
1276 {
1277         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1278         if (ws->cur_layout->l_stack == vertical_stack)
1279                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1280                     sizeof ws->stacker);
1281         if (ws->cur_layout->l_stack == horizontal_stack)
1282                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1283                     sizeof ws->stacker);
1284 }
1285
1286 void
1287 custom_region(char *val)
1288 {
1289         unsigned int                    sidx, x, y, w, h;
1290
1291         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1292                 errx(1, "invalid custom region, "
1293                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1294         if (sidx < 1 || sidx > ScreenCount(display))
1295                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1296                     sidx, ScreenCount(display));
1297         sidx--;
1298
1299         if (w < 1 || h < 1)
1300                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1301
1302         if (x > DisplayWidth(display, sidx) ||
1303             y > DisplayHeight(display, sidx) ||
1304             w + x > DisplayWidth(display, sidx) ||
1305             h + y > DisplayHeight(display, sidx)) {
1306                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1307                     "boundaries (%ux%u)", w, h, x, y,
1308                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1309                 return;
1310         }
1311
1312         new_region(&screens[sidx], x, y, w, h);
1313 }
1314
1315 void
1316 socket_setnonblock(int fd)
1317 {
1318         int                     flags;
1319
1320         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1321                 err(1, "fcntl F_GETFL");
1322         flags |= O_NONBLOCK;
1323         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1324                 err(1, "fcntl F_SETFL");
1325 }
1326
1327 void
1328 bar_print(struct swm_region *r, const char *s)
1329 {
1330         int                     x = 0;
1331         size_t                  len;
1332         XRectangle              ibox, lbox;
1333
1334         XClearWindow(display, r->bar_window);
1335
1336         len = strlen(s);
1337         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1338
1339         switch (bar_justify) {
1340         case SWM_BAR_JUSTIFY_LEFT:
1341                 x = SWM_BAR_OFFSET;
1342                 break;
1343         case SWM_BAR_JUSTIFY_CENTER:
1344                 x = (WIDTH(r) - lbox.width) / 2;
1345                 break;
1346         case SWM_BAR_JUSTIFY_RIGHT:
1347                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1348                 break;
1349         }
1350
1351         if (x < SWM_BAR_OFFSET)
1352                 x = SWM_BAR_OFFSET;
1353
1354         DRAWSTRING(display, r->bar_window, bar_fs, r->s->bar_gc,
1355             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1356             lbox.y, s, len);
1357 }
1358
1359 void
1360 bar_extra_stop(void)
1361 {
1362         if (bar_pipe[0]) {
1363                 close(bar_pipe[0]);
1364                 bzero(bar_pipe, sizeof bar_pipe);
1365         }
1366         if (bar_pid) {
1367                 kill(bar_pid, SIGTERM);
1368                 bar_pid = 0;
1369         }
1370         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1371         bar_extra = 0;
1372 }
1373
1374 void
1375 bar_class_name(char *s, size_t sz, struct swm_region *r)
1376 {
1377         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1378                 return;
1379         if (r->ws->focus->ch.res_class != NULL)
1380                 strlcat(s, r->ws->focus->ch.res_class, sz);
1381 }
1382
1383 void
1384 bar_title_name(char *s, size_t sz, struct swm_region *r)
1385 {
1386         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1387                 return;
1388         if (r->ws->focus->ch.res_name != NULL)
1389                 strlcat(s, r->ws->focus->ch.res_name, sz);
1390 }
1391
1392 void
1393 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1394 {
1395         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1396                 return;
1397
1398         bar_class_name(s, sz, r);
1399         strlcat(s, ":", sz);
1400         bar_title_name(s, sz, r);
1401 }
1402
1403 void
1404 bar_window_float(char *s, size_t sz, struct swm_region *r)
1405 {
1406         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1407                 return;
1408         if (r->ws->focus->floating)
1409                 strlcat(s, "(f)", sz);
1410 }
1411
1412 void
1413 bar_window_name(char *s, size_t sz, struct swm_region *r)
1414 {
1415         unsigned char           *title;
1416
1417         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1418                 return;
1419         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1420                 return;
1421
1422         strlcat(s, (char *)title, sz);
1423         XFree(title);
1424 }
1425
1426 int             urgent[SWM_WS_MAX];
1427 void
1428 bar_urgent(char *s, size_t sz)
1429 {
1430         XWMHints                *wmh = NULL;
1431         struct ws_win           *win;
1432         int                     i, j;
1433         char                    b[8];
1434
1435         for (i = 0; i < workspace_limit; i++)
1436                 urgent[i] = 0;
1437
1438         for (i = 0; i < ScreenCount(display); i++)
1439                 for (j = 0; j < workspace_limit; j++)
1440                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1441                                 wmh = XGetWMHints(display, win->id);
1442                                 if (wmh == NULL)
1443                                         continue;
1444
1445                                 if (wmh->flags & XUrgencyHint)
1446                                         urgent[j] = 1;
1447                                 XFree(wmh);
1448                         }
1449
1450         for (i = 0; i < workspace_limit; i++) {
1451                 if (urgent[i])
1452                         snprintf(b, sizeof b, "%d ", i + 1);
1453                 else
1454                         snprintf(b, sizeof b, "- ");
1455                 strlcat(s, b, sz);
1456         }
1457 }
1458
1459 void
1460 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1461 {
1462         if (r == NULL || r->ws == NULL)
1463                 return;
1464         if (r->ws->name != NULL)
1465                 strlcat(s, r->ws->name, sz);
1466 }
1467
1468 /* build the default bar format according to the defined enabled options */
1469 void
1470 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1471 {
1472         /* if format provided, just copy the buffers */
1473         if (bar_format != NULL) {
1474                 strlcpy(fmtnew, fmtexp, sz);
1475                 return;
1476         }
1477
1478         /* reset the output buffer */
1479         *fmtnew = '\0';
1480
1481         strlcat(fmtnew, "+N:+I ", sz);
1482         if (stack_enabled)
1483                 strlcat(fmtnew, "+S", sz);
1484         strlcat(fmtnew, " ", sz);
1485
1486         /* only show the workspace name if there's actually one */
1487         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1488                 strlcat(fmtnew, "<+D>", sz);
1489         strlcat(fmtnew, "+3<", sz);
1490
1491         if (clock_enabled) {
1492                 strlcat(fmtnew, fmtexp, sz);
1493                 strlcat(fmtnew, "+4<", sz);
1494         }
1495
1496         /* bar_urgent already adds the space before the last asterisk */
1497         if (urgent_enabled)
1498                 strlcat(fmtnew, "* +U*+4<", sz);
1499
1500         if (title_class_enabled) {
1501                 strlcat(fmtnew, "+C", sz);
1502                 if (title_name_enabled == 0)
1503                         strlcat(fmtnew, "+4<", sz);
1504         }
1505
1506         /* checks needed by the colon and floating strlcat(3) calls below */
1507         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1508                 if (title_name_enabled) {
1509                         if (title_class_enabled)
1510                                 strlcat(fmtnew, ":", sz);
1511                         strlcat(fmtnew, "+T+4<", sz);
1512                 }
1513                 if (window_name_enabled) {
1514                         if (r->ws->focus->floating)
1515                                 strlcat(fmtnew, "+F ", sz);
1516                         strlcat(fmtnew, "+64W ", sz);
1517                 }
1518         }
1519
1520         /* finally add the action script output and the version */
1521         strlcat(fmtnew, "+4<+A+4<+V", sz);
1522 }
1523
1524 /* replaces the bar format character sequences (like in tmux(1)) */
1525 char *
1526 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1527     size_t sz)
1528 {
1529         char                    *ptr;
1530         char                    num[8], tmp[SWM_BAR_MAX];
1531         int                     limit;
1532         size_t                  len, numoff = 0;
1533
1534         /* reset strlcat(3) buffer */
1535         *tmp = '\0';
1536
1537         /* get number, if any */
1538         fmt++;
1539         while (*fmt != '\0' && isdigit((unsigned char) *fmt)) {
1540                 if (numoff >= sizeof num - 1)
1541                         break;
1542                 num[numoff++] = *fmt++;
1543         }
1544         num[numoff] = '\0';
1545
1546         if ((limit = strtonum(num, 1, sizeof tmp - 1, NULL)) == 0)
1547                 limit = sizeof tmp - 1;
1548
1549         /* if number is too big, skip to the first non-digit */
1550         if (numoff >= sizeof num - 1) {
1551                 while (*fmt != '\0' && isdigit((unsigned char) *fmt))
1552                         fmt++;
1553         }
1554         /* there is nothing to replace (ie EOL) */
1555         if (*fmt == '\0')
1556                 return (fmt);
1557
1558         switch (*fmt) {
1559         case '<':
1560                 /* special case; no limit given, pad one space, instead */
1561                 if (limit == sizeof tmp - 1)
1562                         limit = 1;
1563                 snprintf(tmp, sizeof tmp, "%*s", limit, " ");
1564                 break;
1565         case 'A':
1566                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1567                 break;
1568         case 'C':
1569                 bar_class_name(tmp, sizeof tmp, r);
1570                 break;
1571         case 'D':
1572                 bar_workspace_name(tmp, sizeof tmp, r);
1573                 break;
1574         case 'F':
1575                 bar_window_float(tmp, sizeof tmp, r);
1576                 break;
1577         case 'I':
1578                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1579                 break;
1580         case 'N':
1581                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1582                 break;
1583         case 'P':
1584                 bar_class_title_name(tmp, sizeof tmp, r);
1585                 break;
1586         case 'S':
1587                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1588                 break;
1589         case 'T':
1590                 bar_title_name(tmp, sizeof tmp, r);
1591                 break;
1592         case 'U':
1593                 bar_urgent(tmp, sizeof tmp);
1594                 break;
1595         case 'V':
1596                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1597                 break;
1598         case 'W':
1599                 bar_window_name(tmp, sizeof tmp, r);
1600                 break;
1601         default:
1602                 /* unknown character sequence; copy as-is */
1603                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1604                 break;
1605         }
1606
1607         len = strlen(tmp);
1608         ptr = tmp;
1609         if (len < limit)
1610                 limit = len;
1611         while (limit-- > 0) {
1612                 if (*offrep >= sz - 1)
1613                         break;
1614                 fmtrep[(*offrep)++] = *ptr++;
1615         }
1616
1617         fmt++;
1618         return (fmt);
1619 }
1620
1621 void
1622 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1623 {
1624         size_t                  off;
1625
1626         off = 0;
1627         while (*fmt != '\0') {
1628                 if (*fmt != '+') {
1629                         /* skip ordinary characters */
1630                         if (off >= sz - 1)
1631                                 break;
1632                         fmtrep[off++] = *fmt++;
1633                         continue;
1634                 }
1635
1636                 /* character sequence found; replace it */
1637                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1638                 if (off >= sz - 1)
1639                         break;
1640         }
1641
1642         fmtrep[off] = '\0';
1643 }
1644
1645 void
1646 bar_fmt_expand(char *fmtexp, size_t sz)
1647 {
1648         char                    *fmt = NULL;
1649         size_t                  len;
1650         struct tm               tm;
1651         time_t                  tmt;
1652
1653         /* start by grabbing the current time and date */
1654         time(&tmt);
1655         localtime_r(&tmt, &tm);
1656
1657         /* figure out what to expand */
1658         if (bar_format != NULL)
1659                 fmt = bar_format;
1660         else if (bar_format == NULL && clock_enabled)
1661                 fmt = clock_format;
1662         /* if nothing to expand bail out */
1663         if (fmt == NULL) {
1664                 *fmtexp = '\0';
1665                 return;
1666         }
1667
1668         /* copy as-is, just in case the format shouldn't be expanded below */
1669         strlcpy(fmtexp, fmt, sz);
1670         /* finally pass the string through strftime(3) */
1671 #ifndef SWM_DENY_CLOCK_FORMAT
1672         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1673                 warnx("format too long");
1674         fmtexp[len] = '\0';
1675 #endif
1676 }
1677
1678 void
1679 bar_fmt_print(void)
1680 {
1681         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1682         char                    fmtrep[SWM_BAR_MAX];
1683         int                     i;
1684         struct swm_region       *r;
1685
1686         /* expand the format by first passing it through strftime(3) */
1687         bar_fmt_expand(fmtexp, sizeof fmtexp);
1688
1689         for (i = 0; i < ScreenCount(display); i++) {
1690                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1691                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1692                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1693                         bar_print(r, fmtrep);
1694                 }
1695         }
1696 }
1697
1698 void
1699 bar_update(void)
1700 {
1701         size_t                  len;
1702         char                    *b;
1703
1704         if (bar_enabled == 0)
1705                 return;
1706         if (bar_extra && bar_extra_running) {
1707                 /* ignore short reads; it'll correct itself */
1708                 while ((b = fgetln(stdin, &len)) != NULL)
1709                         if (b && b[len - 1] == '\n') {
1710                                 b[len - 1] = '\0';
1711                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1712                         }
1713                 if (b == NULL && errno != EAGAIN) {
1714                         warn("bar_update: bar_extra failed");
1715                         bar_extra_stop();
1716                 }
1717         } else
1718                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1719
1720         bar_fmt_print();
1721         alarm(bar_delay);
1722 }
1723
1724 void
1725 bar_signal(int sig)
1726 {
1727         bar_alarm = 1;
1728 }
1729
1730 void
1731 bar_toggle(struct swm_region *r, union arg *args)
1732 {
1733         struct swm_region       *tmpr;
1734         int                     i, sc = ScreenCount(display);
1735
1736         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1737
1738         if (bar_enabled)
1739                 for (i = 0; i < sc; i++)
1740                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1741                                 XUnmapWindow(display, tmpr->bar_window);
1742         else
1743                 for (i = 0; i < sc; i++)
1744                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1745                                 XMapRaised(display, tmpr->bar_window);
1746
1747         bar_enabled = !bar_enabled;
1748
1749         stack();
1750         /* must be after stack */
1751         bar_update();
1752 }
1753
1754 void
1755 bar_refresh(void)
1756 {
1757         XSetWindowAttributes    wa;
1758         struct swm_region       *r;
1759         int                     i;
1760
1761         /* do this here because the conf file is in memory */
1762         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1763                 /* launch external status app */
1764                 bar_extra_running = 1;
1765                 if (pipe(bar_pipe) == -1)
1766                         err(1, "pipe error");
1767                 socket_setnonblock(bar_pipe[0]);
1768                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1769                 if (dup2(bar_pipe[0], 0) == -1)
1770                         err(1, "dup2");
1771                 if (dup2(bar_pipe[1], 1) == -1)
1772                         err(1, "dup2");
1773                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1774                         err(1, "could not disable SIGPIPE");
1775                 switch (bar_pid = fork()) {
1776                 case -1:
1777                         err(1, "cannot fork");
1778                         break;
1779                 case 0: /* child */
1780                         close(bar_pipe[0]);
1781                         execvp(bar_argv[0], bar_argv);
1782                         err(1, "%s external app failed", bar_argv[0]);
1783                         break;
1784                 default: /* parent */
1785                         close(bar_pipe[1]);
1786                         break;
1787                 }
1788         }
1789
1790         bzero(&wa, sizeof wa);
1791         for (i = 0; i < ScreenCount(display); i++)
1792                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1793                         wa.border_pixel =
1794                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1795                         wa.background_pixel =
1796                             screens[i].c[SWM_S_COLOR_BAR].color;
1797                         XChangeWindowAttributes(display, r->bar_window,
1798                             CWBackPixel | CWBorderPixel, &wa);
1799                 }
1800         bar_update();
1801 }
1802
1803 void
1804 bar_setup(struct swm_region *r)
1805 {
1806         char                    *default_string;
1807         char                    **missing_charsets;
1808         int                     num_missing_charsets = 0;
1809         int                     i, x, y;
1810
1811         if (bar_fs) {
1812                 XFreeFontSet(display, bar_fs);
1813                 bar_fs = NULL;
1814         }
1815
1816
1817         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1818
1819         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1820             &num_missing_charsets, &default_string);
1821
1822         if (num_missing_charsets > 0) {
1823                 warnx("Unable to load charset(s):");
1824
1825                 for (i = 0; i < num_missing_charsets; ++i)
1826                         warnx("%s", missing_charsets[i]);
1827
1828                 XFreeStringList(missing_charsets);
1829
1830                 if (strcmp(default_string, ""))
1831                         warnx("Glyphs from those sets will be replaced "
1832                             "by '%s'.", default_string);
1833                 else
1834                         warnx("Glyphs from those sets won't be drawn.");
1835         }
1836
1837         if (bar_fs == NULL)
1838                 errx(1, "Error creating font set structure.");
1839
1840         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1841
1842         bar_height = bar_fs_extents->max_logical_extent.height +
1843             2 * bar_border_width;
1844
1845         if (bar_height < 1)
1846                 bar_height = 1;
1847
1848         x = X(r);
1849         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1850
1851         r->bar_window = XCreateSimpleWindow(display,
1852             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1853             bar_height - 2 * bar_border_width,
1854             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1855             r->s->c[SWM_S_COLOR_BAR].color);
1856         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1857         if (bar_enabled)
1858                 XMapRaised(display, r->bar_window);
1859         DNPRINTF(SWM_D_BAR, "bar_setup: bar_window: 0x%lx\n", r->bar_window);
1860
1861         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1862                 err(1, "could not install bar_signal");
1863         bar_refresh();
1864 }
1865
1866 void
1867 drain_enter_notify(void)
1868 {
1869         int                     i = 0;
1870         XEvent                  cne;
1871
1872         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1873                 i++;
1874
1875         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained: %d\n", i);
1876 }
1877
1878 void
1879 set_win_state(struct ws_win *win, long state)
1880 {
1881         long                    data[] = {state, None};
1882
1883         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%lx\n", win->id);
1884
1885         if (win == NULL)
1886                 return;
1887
1888         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1889             (unsigned char *)data, 2);
1890 }
1891
1892 long
1893 getstate(Window w)
1894 {
1895         long                    result = -1;
1896         unsigned char           *p = NULL;
1897         unsigned long           n;
1898
1899         if (!get_property(w, astate, 2L, astate, &n, NULL, &p))
1900                 return (-1);
1901         if (n != 0)
1902                 result = *((long *)p);
1903         XFree(p);
1904         return (result);
1905 }
1906
1907 void
1908 version(struct swm_region *r, union arg *args)
1909 {
1910         bar_version = !bar_version;
1911         if (bar_version)
1912                 snprintf(bar_vertext, sizeof bar_vertext,
1913                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1914         else
1915                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1916         bar_update();
1917 }
1918
1919 void
1920 client_msg(struct ws_win *win, Atom a)
1921 {
1922         XClientMessageEvent     cm;
1923
1924         if (win == NULL)
1925                 return;
1926
1927         bzero(&cm, sizeof cm);
1928         cm.type = ClientMessage;
1929         cm.window = win->id;
1930         cm.message_type = aprot;
1931         cm.format = 32;
1932         cm.data.l[0] = a;
1933         cm.data.l[1] = CurrentTime;
1934         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1935 }
1936
1937 /* synthetic response to a ConfigureRequest when not making a change */
1938 void
1939 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1940 {
1941         XConfigureEvent         ce;
1942
1943         if (win == NULL)
1944                 return;
1945
1946         /* send notification of unchanged state. */
1947         ce.type = ConfigureNotify;
1948         ce.x = X(win);
1949         ce.y = Y(win);
1950         ce.width = WIDTH(win);
1951         ce.height = HEIGHT(win);
1952         ce.override_redirect = False;
1953
1954         if (ev == NULL) {
1955                 /* EWMH */
1956                 ce.display = display;
1957                 ce.event = win->id;
1958                 ce.window = win->id;
1959                 ce.border_width = border_width;
1960                 ce.above = None;
1961         } else {
1962                 /* normal */
1963                 ce.display = ev->display;
1964                 ce.event = ev->window;
1965                 ce.window = ev->window;
1966
1967                 /* make response appear more WM_SIZE_HINTS-compliant */
1968                 if (win->sh_mask)
1969                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%lx,"
1970                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
1971                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
1972                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
1973                             SH_INC_W(win), SH_INC_H(win));
1974
1975                 /* min size */
1976                 if (SH_MIN(win)) {
1977                         /* the hint may be set... to 0! */
1978                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
1979                                 ce.width = SH_MIN_W(win);
1980                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
1981                                 ce.height = SH_MIN_H(win);
1982                 }
1983
1984                 /* max size */
1985                 if (SH_MAX(win)) {
1986                         /* may also be advertized as 0 */
1987                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
1988                                 ce.width = SH_MAX_W(win);
1989                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
1990                                 ce.height = SH_MAX_H(win);
1991                 }
1992
1993                 /* resize increment. */
1994                 if (SH_INC(win)) {
1995                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
1996                                 ce.width -= (ce.width - SH_MIN_W(win)) %
1997                                     SH_INC_W(win);
1998                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
1999                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2000                                     SH_INC_H(win);
2001                 }
2002
2003                 /* adjust x and y for requested border_width. */
2004                 ce.x += border_width - ev->border_width;
2005                 ce.y += border_width - ev->border_width;
2006                 ce.border_width = ev->border_width;
2007                 ce.above = ev->above;
2008         }
2009
2010         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
2011             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2012             ce.y, ce.width, ce.height, ce.border_width);
2013
2014         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
2015 }
2016
2017 int
2018 count_win(struct workspace *ws, int count_transient)
2019 {
2020         struct ws_win           *win;
2021         int                     count = 0;
2022
2023         TAILQ_FOREACH(win, &ws->winlist, entry) {
2024                 if (count_transient == 0 && win->floating)
2025                         continue;
2026                 if (count_transient == 0 && win->transient)
2027                         continue;
2028                 if (win->iconic)
2029                         continue;
2030                 count++;
2031         }
2032         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2033
2034         return (count);
2035 }
2036
2037 void
2038 quit(struct swm_region *r, union arg *args)
2039 {
2040         DNPRINTF(SWM_D_MISC, "quit\n");
2041         running = 0;
2042 }
2043
2044 void
2045 unmap_window(struct ws_win *win)
2046 {
2047         if (win == NULL)
2048                 return;
2049
2050         /* don't unmap again */
2051         if (getstate(win->id) == IconicState)
2052                 return;
2053
2054         set_win_state(win, IconicState);
2055
2056         XUnmapWindow(display, win->id);
2057         XSetWindowBorder(display, win->id,
2058             win->s->c[SWM_S_COLOR_UNFOCUS].color);
2059 }
2060
2061 void
2062 unmap_all(void)
2063 {
2064         struct ws_win           *win;
2065         int                     i, j;
2066
2067         for (i = 0; i < ScreenCount(display); i++)
2068                 for (j = 0; j < workspace_limit; j++)
2069                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2070                                 unmap_window(win);
2071 }
2072
2073 void
2074 fake_keypress(struct ws_win *win, int keysym, int modifiers)
2075 {
2076         XKeyEvent event;
2077
2078         if (win == NULL)
2079                 return;
2080
2081         event.display = display;        /* Ignored, but what the hell */
2082         event.window = win->id;
2083         event.root = win->s->root;
2084         event.subwindow = None;
2085         event.time = CurrentTime;
2086         event.x = X(win);
2087         event.y = Y(win);
2088         event.x_root = 1;
2089         event.y_root = 1;
2090         event.same_screen = True;
2091         event.keycode = XKeysymToKeycode(display, keysym);
2092         event.state = modifiers;
2093
2094         event.type = KeyPress;
2095         XSendEvent(event.display, event.window, True,
2096             KeyPressMask, (XEvent *)&event);
2097
2098         event.type = KeyRelease;
2099         XSendEvent(event.display, event.window, True,
2100             KeyPressMask, (XEvent *)&event);
2101
2102 }
2103
2104 void
2105 restart(struct swm_region *r, union arg *args)
2106 {
2107         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2108
2109         /* disable alarm because the following code may not be interrupted */
2110         alarm(0);
2111         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2112                 err(1, "can't disable alarm");
2113
2114         bar_extra_stop();
2115         bar_extra = 1;
2116         unmap_all();
2117         XCloseDisplay(display);
2118         execvp(start_argv[0], start_argv);
2119         warn("execvp failed");
2120         quit(NULL, NULL);
2121 }
2122
2123 struct swm_region *
2124 root_to_region(Window root)
2125 {
2126         struct swm_region       *r = NULL;
2127         Window                  rr, cr;
2128         int                     i, x, y, wx, wy;
2129         unsigned int            mask;
2130
2131         for (i = 0; i < ScreenCount(display); i++)
2132                 if (screens[i].root == root)
2133                         break;
2134
2135         if (XQueryPointer(display, screens[i].root,
2136             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
2137                 /* choose a region based on pointer location */
2138                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2139                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
2140                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
2141                                 break;
2142         }
2143
2144         if (r == NULL)
2145                 r = TAILQ_FIRST(&screens[i].rl);
2146
2147         return (r);
2148 }
2149
2150 struct ws_win *
2151 find_unmanaged_window(Window id)
2152 {
2153         struct ws_win           *win;
2154         int                     i, j;
2155
2156         for (i = 0; i < ScreenCount(display); i++)
2157                 for (j = 0; j < workspace_limit; j++)
2158                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2159                             entry)
2160                                 if (id == win->id)
2161                                         return (win);
2162         return (NULL);
2163 }
2164
2165 struct ws_win *
2166 find_window(Window id)
2167 {
2168         struct ws_win           *win;
2169         Window                  wrr, wpr, *wcr = NULL;
2170         int                     i, j;
2171         unsigned int            nc;
2172
2173         for (i = 0; i < ScreenCount(display); i++)
2174                 for (j = 0; j < workspace_limit; j++)
2175                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2176                                 if (id == win->id)
2177                                         return (win);
2178
2179         /* if we were looking for the parent return that window instead */
2180         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
2181                 return (NULL);
2182         if (wcr)
2183                 XFree(wcr);
2184
2185         /* ignore not found and root */
2186         if (wpr == 0 || wrr == wpr)
2187                 return (NULL);
2188
2189         /* look for parent */
2190         for (i = 0; i < ScreenCount(display); i++)
2191                 for (j = 0; j < workspace_limit; j++)
2192                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2193                                 if (wpr == win->id)
2194                                         return (win);
2195
2196         return (NULL);
2197 }
2198
2199 void
2200 spawn(int ws_idx, union arg *args, int close_fd)
2201 {
2202         int                     fd;
2203         char                    *ret = NULL;
2204
2205         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2206
2207         if (display)
2208                 close(ConnectionNumber(display));
2209
2210         setenv("LD_PRELOAD", SWM_LIB, 1);
2211
2212         if (asprintf(&ret, "%d", ws_idx) == -1) {
2213                 warn("spawn: asprintf SWM_WS");
2214                 _exit(1);
2215         }
2216         setenv("_SWM_WS", ret, 1);
2217         free(ret);
2218         ret = NULL;
2219
2220         if (asprintf(&ret, "%d", getpid()) == -1) {
2221                 warn("spawn: asprintf _SWM_PID");
2222                 _exit(1);
2223         }
2224         setenv("_SWM_PID", ret, 1);
2225         free(ret);
2226         ret = NULL;
2227
2228         if (setsid() == -1) {
2229                 warn("spawn: setsid");
2230                 _exit(1);
2231         }
2232
2233         if (close_fd) {
2234                 /*
2235                  * close stdin and stdout to prevent interaction between apps
2236                  * and the baraction script
2237                  * leave stderr open to record errors
2238                 */
2239                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2240                         warn("spawn: open");
2241                         _exit(1);
2242                 }
2243                 dup2(fd, STDIN_FILENO);
2244                 dup2(fd, STDOUT_FILENO);
2245                 if (fd > 2)
2246                         close(fd);
2247         }
2248
2249         execvp(args->argv[0], args->argv);
2250
2251         warn("spawn: execvp");
2252         _exit(1);
2253 }
2254
2255 void
2256 kill_refs(struct ws_win *win)
2257 {
2258         int                     i, x;
2259         struct swm_region       *r;
2260         struct workspace        *ws;
2261
2262         if (win == NULL)
2263                 return;
2264
2265         for (i = 0; i < ScreenCount(display); i++)
2266                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2267                         for (x = 0; x < workspace_limit; x++) {
2268                                 ws = &r->s->ws[x];
2269                                 if (win == ws->focus)
2270                                         ws->focus = NULL;
2271                                 if (win == ws->focus_prev)
2272                                         ws->focus_prev = NULL;
2273                         }
2274 }
2275
2276 int
2277 validate_win(struct ws_win *testwin)
2278 {
2279         struct ws_win           *win;
2280         struct workspace        *ws;
2281         struct swm_region       *r;
2282         int                     i, x;
2283
2284         if (testwin == NULL)
2285                 return (0);
2286
2287         for (i = 0; i < ScreenCount(display); i++)
2288                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2289                         for (x = 0; x < workspace_limit; x++) {
2290                                 ws = &r->s->ws[x];
2291                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2292                                         if (win == testwin)
2293                                                 return (0);
2294                         }
2295         return (1);
2296 }
2297
2298 int
2299 validate_ws(struct workspace *testws)
2300 {
2301         struct swm_region       *r;
2302         struct workspace        *ws;
2303         int                     i, x;
2304
2305         /* validate all ws */
2306         for (i = 0; i < ScreenCount(display); i++)
2307                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2308                         for (x = 0; x < workspace_limit; x++) {
2309                                 ws = &r->s->ws[x];
2310                                 if (ws == testws)
2311                                         return (0);
2312                         }
2313         return (1);
2314 }
2315
2316 void
2317 unfocus_win(struct ws_win *win)
2318 {
2319         XEvent                  cne;
2320         Window                  none = None;
2321
2322         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2323
2324         if (win == NULL)
2325                 return;
2326         if (win->ws == NULL)
2327                 return;
2328
2329         if (validate_ws(win->ws))
2330                 return; /* XXX this gets hit with thunderbird, needs fixing */
2331
2332         if (win->ws->r == NULL)
2333                 return;
2334
2335         if (validate_win(win)) {
2336                 kill_refs(win);
2337                 return;
2338         }
2339
2340         if (win->ws->focus == win) {
2341                 win->ws->focus = NULL;
2342                 win->ws->focus_prev = win;
2343         }
2344
2345         if (validate_win(win->ws->focus)) {
2346                 kill_refs(win->ws->focus);
2347                 win->ws->focus = NULL;
2348         }
2349         if (validate_win(win->ws->focus_prev)) {
2350                 kill_refs(win->ws->focus_prev);
2351                 win->ws->focus_prev = NULL;
2352         }
2353
2354         /* drain all previous unfocus events */
2355         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2356                 ;
2357
2358         grabbuttons(win, 0);
2359         XSetWindowBorder(display, win->id,
2360             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2361
2362         XChangeProperty(display, win->s->root,
2363             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2364             PropModeReplace, (unsigned char *)&none, 1);
2365 }
2366
2367 void
2368 unfocus_all(void)
2369 {
2370         struct ws_win           *win;
2371         int                     i, j;
2372
2373         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2374
2375         for (i = 0; i < ScreenCount(display); i++)
2376                 for (j = 0; j < workspace_limit; j++)
2377                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2378                                 unfocus_win(win);
2379 }
2380
2381 void
2382 focus_win(struct ws_win *win)
2383 {
2384         XEvent                  cne;
2385         Window                  cur_focus;
2386         int                     rr;
2387         struct ws_win           *cfw = NULL;
2388
2389
2390         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2391
2392         if (win == NULL)
2393                 return;
2394         if (win->ws == NULL)
2395                 return;
2396
2397         if (validate_ws(win->ws))
2398                 return; /* XXX this gets hit with thunderbird, needs fixing */
2399
2400         if (validate_win(win)) {
2401                 kill_refs(win);
2402                 return;
2403         }
2404
2405         if (validate_win(win)) {
2406                 kill_refs(win);
2407                 return;
2408         }
2409
2410         XGetInputFocus(display, &cur_focus, &rr);
2411         if ((cfw = find_window(cur_focus)) != NULL)
2412                 unfocus_win(cfw);
2413         else {
2414                 /* use larger hammer since the window was killed somehow */
2415                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2416                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2417                                 XSetWindowBorder(display, cfw->id,
2418                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2419         }
2420
2421         win->ws->focus = win;
2422
2423         if (win->ws->r != NULL) {
2424                 /* drain all previous focus events */
2425                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2426                         ;
2427
2428                 if (win->java == 0)
2429                         XSetInputFocus(display, win->id,
2430                             RevertToParent, CurrentTime);
2431                 grabbuttons(win, 1);
2432                 XSetWindowBorder(display, win->id,
2433                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2434                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2435                     win->ws->always_raise)
2436                         XMapRaised(display, win->id);
2437
2438                 XChangeProperty(display, win->s->root,
2439                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2440                     PropModeReplace, (unsigned char *)&win->id, 1);
2441         }
2442
2443         bar_update();
2444 }
2445
2446 void
2447 switchws(struct swm_region *r, union arg *args)
2448 {
2449         int                     wsid = args->id, unmap_old = 0;
2450         struct swm_region       *this_r, *other_r;
2451         struct ws_win           *win;
2452         struct workspace        *new_ws, *old_ws;
2453         union arg               a;
2454
2455         if (!(r && r->s))
2456                 return;
2457
2458         if (wsid >= workspace_limit)
2459                 return;
2460
2461         this_r = r;
2462         old_ws = this_r->ws;
2463         new_ws = &this_r->s->ws[wsid];
2464
2465         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2466             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2467
2468         if (new_ws == NULL || old_ws == NULL)
2469                 return;
2470         if (new_ws == old_ws)
2471                 return;
2472
2473         other_r = new_ws->r;
2474         if (other_r == NULL) {
2475                 /* the other workspace is hidden, hide this one */
2476                 old_ws->r = NULL;
2477                 unmap_old = 1;
2478         } else {
2479                 /* the other ws is visible in another region, exchange them */
2480                 other_r->ws_prior = new_ws;
2481                 other_r->ws = old_ws;
2482                 old_ws->r = other_r;
2483         }
2484         this_r->ws_prior = old_ws;
2485         this_r->ws = new_ws;
2486         new_ws->r = this_r;
2487
2488         /* this is needed so that we can click on a window after a restart */
2489         unfocus_all();
2490
2491         stack();
2492         a.id = SWM_ARG_ID_FOCUSCUR;
2493         focus(new_ws->r, &a);
2494
2495         /* unmap old windows */
2496         if (unmap_old)
2497                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2498                         unmap_window(win);
2499
2500         if (focus_mode == SWM_FOCUS_DEFAULT)
2501                 drain_enter_notify();
2502 }
2503
2504 void
2505 cyclews(struct swm_region *r, union arg *args)
2506 {
2507         union                   arg a;
2508         struct swm_screen       *s = r->s;
2509         int                     cycle_all = 0;
2510
2511         DNPRINTF(SWM_D_WS, "cyclews: 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         a.id = r->ws->idx;
2515         do {
2516                 switch (args->id) {
2517                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2518                         cycle_all = 1;
2519                         /* FALLTHROUGH */
2520                 case SWM_ARG_ID_CYCLEWS_UP:
2521                         if (a.id < workspace_limit - 1)
2522                                 a.id++;
2523                         else
2524                                 a.id = 0;
2525                         break;
2526                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2527                         cycle_all = 1;
2528                         /* FALLTHROUGH */
2529                 case SWM_ARG_ID_CYCLEWS_DOWN:
2530                         if (a.id > 0)
2531                                 a.id--;
2532                         else
2533                                 a.id = workspace_limit - 1;
2534                         break;
2535                 default:
2536                         return;
2537                 };
2538
2539                 if (!cycle_all &&
2540                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2541                         continue;
2542                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2543                         continue;
2544
2545                 switchws(r, &a);
2546         } while (a.id != r->ws->idx);
2547 }
2548
2549 void
2550 priorws(struct swm_region *r, union arg *args)
2551 {
2552         union arg               a;
2553
2554         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2555             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2556
2557         if (r->ws_prior == NULL)
2558                 return;
2559
2560         a.id = r->ws_prior->idx;
2561         switchws(r, &a);
2562 }
2563
2564 void
2565 cyclescr(struct swm_region *r, union arg *args)
2566 {
2567         struct swm_region       *rr = NULL;
2568         union arg               a;
2569         int                     i, x, y;
2570
2571         /* do nothing if we don't have more than one screen */
2572         if (!(ScreenCount(display) > 1 || outputs > 1))
2573                 return;
2574
2575         i = r->s->idx;
2576         switch (args->id) {
2577         case SWM_ARG_ID_CYCLESC_UP:
2578                 rr = TAILQ_NEXT(r, entry);
2579                 if (rr == NULL)
2580                         rr = TAILQ_FIRST(&screens[i].rl);
2581                 break;
2582         case SWM_ARG_ID_CYCLESC_DOWN:
2583                 rr = TAILQ_PREV(r, swm_region_list, entry);
2584                 if (rr == NULL)
2585                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2586                 break;
2587         default:
2588                 return;
2589         };
2590         if (rr == NULL)
2591                 return;
2592
2593         /* move mouse to region */
2594         x = X(rr) + 1;
2595         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2596         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2597
2598         a.id = SWM_ARG_ID_FOCUSCUR;
2599         focus(rr, &a);
2600
2601         if (rr->ws->focus) {
2602                 /* move to focus window */
2603                 x = X(rr->ws->focus) + 1;
2604                 y = Y(rr->ws->focus) + 1;
2605                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2606         }
2607 }
2608
2609 void
2610 sort_windows(struct ws_win_list *wl)
2611 {
2612         struct ws_win           *win, *parent, *nxt;
2613
2614         if (wl == NULL)
2615                 return;
2616
2617         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2618                 nxt = TAILQ_NEXT(win, entry);
2619                 if (win->transient) {
2620                         parent = find_window(win->transient);
2621                         if (parent == NULL) {
2622                                 warnx("not possible bug");
2623                                 continue;
2624                         }
2625                         TAILQ_REMOVE(wl, win, entry);
2626                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2627                 }
2628         }
2629
2630 }
2631
2632 void
2633 swapwin(struct swm_region *r, union arg *args)
2634 {
2635         struct ws_win           *target, *source;
2636         struct ws_win           *cur_focus;
2637         struct ws_win_list      *wl;
2638
2639
2640         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2641             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2642
2643         cur_focus = r->ws->focus;
2644         if (cur_focus == NULL)
2645                 return;
2646
2647         source = cur_focus;
2648         wl = &source->ws->winlist;
2649
2650         switch (args->id) {
2651         case SWM_ARG_ID_SWAPPREV:
2652                 if (source->transient)
2653                         source = find_window(source->transient);
2654                 target = TAILQ_PREV(source, ws_win_list, entry);
2655                 if (target && target->transient)
2656                         target = find_window(target->transient);
2657                 TAILQ_REMOVE(wl, source, entry);
2658                 if (target == NULL)
2659                         TAILQ_INSERT_TAIL(wl, source, entry);
2660                 else
2661                         TAILQ_INSERT_BEFORE(target, source, entry);
2662                 break;
2663         case SWM_ARG_ID_SWAPNEXT:
2664                 target = TAILQ_NEXT(source, entry);
2665                 /* move the parent and let the sort handle the move */
2666                 if (source->transient)
2667                         source = find_window(source->transient);
2668                 TAILQ_REMOVE(wl, source, entry);
2669                 if (target == NULL)
2670                         TAILQ_INSERT_HEAD(wl, source, entry);
2671                 else
2672                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2673                 break;
2674         case SWM_ARG_ID_SWAPMAIN:
2675                 target = TAILQ_FIRST(wl);
2676                 if (target == source) {
2677                         if (source->ws->focus_prev != NULL &&
2678                             source->ws->focus_prev != target)
2679                                 source = source->ws->focus_prev;
2680                         else
2681                                 return;
2682                 }
2683                 if (target == NULL || source == NULL)
2684                         return;
2685                 source->ws->focus_prev = target;
2686                 TAILQ_REMOVE(wl, target, entry);
2687                 TAILQ_INSERT_BEFORE(source, target, entry);
2688                 TAILQ_REMOVE(wl, source, entry);
2689                 TAILQ_INSERT_HEAD(wl, source, entry);
2690                 break;
2691         case SWM_ARG_ID_MOVELAST:
2692                 TAILQ_REMOVE(wl, source, entry);
2693                 TAILQ_INSERT_TAIL(wl, source, entry);
2694                 break;
2695         default:
2696                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2697                 return;
2698         }
2699
2700         sort_windows(wl);
2701
2702         stack();
2703 }
2704
2705 void
2706 focus_prev(struct ws_win *win)
2707 {
2708         struct ws_win           *winfocus = NULL;
2709         struct ws_win           *cur_focus = NULL;
2710         struct ws_win_list      *wl = NULL;
2711         struct workspace        *ws = NULL;
2712
2713         if (!(win && win->ws))
2714                 return;
2715
2716         ws = win->ws;
2717         wl = &ws->winlist;
2718         cur_focus = ws->focus;
2719
2720         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx, cur_focus: 0x%lx\n",
2721             WINID(win), WINID(cur_focus));
2722
2723         /* pickle, just focus on whatever */
2724         if (cur_focus == NULL) {
2725                 /* use prev_focus if valid */
2726                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2727                     find_window(WINID(ws->focus_prev)))
2728                         winfocus = ws->focus_prev;
2729                 goto done;
2730         }
2731
2732         /* if transient focus on parent */
2733         if (cur_focus->transient) {
2734                 winfocus = find_window(cur_focus->transient);
2735                 goto done;
2736         }
2737
2738         /* if in max_stack try harder */
2739         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2740             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2741                 if (cur_focus != ws->focus_prev)
2742                         winfocus = ws->focus_prev;
2743                 else
2744                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2745                 if (winfocus)
2746                         goto done;
2747         }
2748
2749         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2750
2751         if (winfocus == NULL || winfocus == win) {
2752                 switch (focus_close) {
2753                 case SWM_STACK_BOTTOM:
2754                         winfocus = TAILQ_FIRST(wl);
2755                         break;
2756                 case SWM_STACK_TOP:
2757                         winfocus = TAILQ_LAST(wl, ws_win_list);
2758                         break;
2759                 case SWM_STACK_ABOVE:
2760                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2761                                 if (focus_close_wrap)
2762                                         winfocus = TAILQ_FIRST(wl);
2763                                 else
2764                                         winfocus = TAILQ_PREV(cur_focus,
2765                                             ws_win_list, entry);
2766                         }
2767                         break;
2768                 case SWM_STACK_BELOW:
2769                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2770                             entry)) == NULL) {
2771                                 if (focus_close_wrap)
2772                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2773                                 else
2774                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2775                         }
2776                         break;
2777                 }
2778         }
2779 done:
2780         if (winfocus == NULL) {
2781                 if (focus_default == SWM_STACK_TOP)
2782                         winfocus = TAILQ_LAST(wl, ws_win_list);
2783                 else
2784                         winfocus = TAILQ_FIRST(wl);
2785         }
2786
2787         kill_refs(win);
2788         focus_magic(winfocus);
2789 }
2790
2791 void
2792 focus(struct swm_region *r, union arg *args)
2793 {
2794         struct ws_win           *winfocus = NULL, *head;
2795         struct ws_win           *cur_focus = NULL;
2796         struct ws_win_list      *wl = NULL;
2797         struct workspace        *ws = NULL;
2798         int                     all_iconics;
2799
2800         if (!(r && r->ws))
2801                 return;
2802
2803         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2804
2805         /* treat FOCUS_CUR special */
2806         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2807                 if (r->ws->focus && r->ws->focus->iconic == 0)
2808                         winfocus = r->ws->focus;
2809                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2810                         winfocus = r->ws->focus_prev;
2811                 else
2812                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2813                                 if (winfocus->iconic == 0)
2814                                         break;
2815
2816                 focus_magic(winfocus);
2817                 return;
2818         }
2819
2820         if ((cur_focus = r->ws->focus) == NULL)
2821                 return;
2822         ws = r->ws;
2823         wl = &ws->winlist;
2824         if (TAILQ_EMPTY(wl))
2825                 return;
2826         /* make sure there is at least one uniconified window */
2827         all_iconics = 1;
2828         TAILQ_FOREACH(winfocus, wl, entry)
2829                 if (winfocus->iconic == 0) {
2830                         all_iconics = 0;
2831                         break;
2832                 }
2833         if (all_iconics)
2834                 return;
2835
2836         switch (args->id) {
2837         case SWM_ARG_ID_FOCUSPREV:
2838                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2839                 if (head == NULL)
2840                         head = TAILQ_LAST(wl, ws_win_list);
2841                 winfocus = head;
2842                 if (WINID(winfocus) == cur_focus->transient) {
2843                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2844                         if (head == NULL)
2845                                 head = TAILQ_LAST(wl, ws_win_list);
2846                         winfocus = head;
2847                 }
2848
2849                 /* skip iconics */
2850                 if (winfocus && winfocus->iconic) {
2851                         while (winfocus != cur_focus) {
2852                                 if (winfocus == NULL)
2853                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2854                                 if (winfocus->iconic == 0)
2855                                         break;
2856                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2857                                     entry);
2858                         }
2859                 }
2860                 break;
2861
2862         case SWM_ARG_ID_FOCUSNEXT:
2863                 head = TAILQ_NEXT(cur_focus, entry);
2864                 if (head == NULL)
2865                         head = TAILQ_FIRST(wl);
2866                 winfocus = head;
2867
2868                 /* skip iconics */
2869                 if (winfocus && winfocus->iconic) {
2870                         while (winfocus != cur_focus) {
2871                                 if (winfocus == NULL)
2872                                         winfocus = TAILQ_FIRST(wl);
2873                                 if (winfocus->iconic == 0)
2874                                         break;
2875                                 winfocus = TAILQ_NEXT(winfocus, entry);
2876                         }
2877                 }
2878                 break;
2879
2880         case SWM_ARG_ID_FOCUSMAIN:
2881                 winfocus = TAILQ_FIRST(wl);
2882                 if (winfocus == cur_focus)
2883                         winfocus = cur_focus->ws->focus_prev;
2884                 break;
2885
2886         default:
2887                 return;
2888         }
2889
2890         focus_magic(winfocus);
2891 }
2892
2893 void
2894 cycle_layout(struct swm_region *r, union arg *args)
2895 {
2896         struct workspace        *ws = r->ws;
2897         union arg               a;
2898
2899         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2900
2901         ws->cur_layout++;
2902         if (ws->cur_layout->l_stack == NULL)
2903                 ws->cur_layout = &layouts[0];
2904
2905         stack();
2906         if (focus_mode == SWM_FOCUS_DEFAULT)
2907                 drain_enter_notify();
2908         a.id = SWM_ARG_ID_FOCUSCUR;
2909         focus(r, &a);
2910 }
2911
2912 void
2913 stack_config(struct swm_region *r, union arg *args)
2914 {
2915         struct workspace        *ws = r->ws;
2916
2917         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
2918             args->id, ws->idx);
2919
2920         if (ws->cur_layout->l_config != NULL)
2921                 ws->cur_layout->l_config(ws, args->id);
2922
2923         if (args->id != SWM_ARG_ID_STACKINIT)
2924                 stack();
2925         bar_update();
2926 }
2927
2928 void
2929 stack(void) {
2930         struct swm_geometry     g;
2931         struct swm_region       *r;
2932         int                     i;
2933 #ifdef SWM_DEBUG
2934         int j;
2935 #endif
2936
2937         DNPRINTF(SWM_D_STACK, "stack: begin\n");
2938
2939         for (i = 0; i < ScreenCount(display); i++) {
2940 #ifdef SWM_DEBUG
2941                 j = 0;
2942 #endif
2943                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2944                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
2945                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
2946
2947                         /* start with screen geometry, adjust for bar */
2948                         g = r->g;
2949                         g.w -= 2 * border_width;
2950                         g.h -= 2 * border_width;
2951                         if (bar_enabled) {
2952                                 if (!bar_at_bottom)
2953                                         g.y += bar_height;
2954                                 g.h -= bar_height;
2955                         }
2956                         r->ws->cur_layout->l_stack(r->ws, &g);
2957                         r->ws->cur_layout->l_string(r->ws);
2958                         /* save r so we can track region changes */
2959                         r->ws->old_r = r;
2960                 }
2961         }
2962         if (font_adjusted)
2963                 font_adjusted--;
2964
2965         if (focus_mode == SWM_FOCUS_DEFAULT)
2966                 drain_enter_notify();
2967
2968         DNPRINTF(SWM_D_STACK, "stack: end\n");
2969 }
2970
2971 void
2972 store_float_geom(struct ws_win *win, struct swm_region *r)
2973 {
2974         /* retain window geom and region geom */
2975         win->g_float = win->g;
2976         win->rg_float = r->g;
2977         win->g_floatvalid = 1;
2978 }
2979
2980 void
2981 stack_floater(struct ws_win *win, struct swm_region *r)
2982 {
2983         unsigned int            mask;
2984         XWindowChanges          wc;
2985
2986         if (win == NULL)
2987                 return;
2988
2989         bzero(&wc, sizeof wc);
2990         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2991
2992         /*
2993          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2994          * geom on ws switches or return from max mode
2995          */
2996         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2997             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2998                 /*
2999                  * use stored g and rg to set relative position and size
3000                  * as in old region or before max stack mode
3001                  */
3002                 X(win) = win->g_float.x - win->rg_float.x + X(r);
3003                 Y(win) = win->g_float.y - win->rg_float.y + Y(r);
3004                 WIDTH(win) = win->g_float.w;
3005                 HEIGHT(win) = win->g_float.h;
3006                 win->g_floatvalid = 0;
3007         }
3008
3009         win->floatmaxed = 0;
3010
3011         if ((win->quirks & SWM_Q_FULLSCREEN) && (WIDTH(win) >= WIDTH(r)) &&
3012             (HEIGHT(win) >= HEIGHT(r)))
3013                 wc.border_width = 0;
3014         else
3015                 wc.border_width = border_width;
3016         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3017                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3018                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3019         }
3020
3021         if (!win->manual) {
3022                 /*
3023                  * floaters and transients are auto-centred unless moved
3024                  * or resized
3025                  */
3026                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - wc.border_width;
3027                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - wc.border_width;
3028         }
3029
3030         /* win can be outside r if new r smaller than old r */
3031         /* Ensure top left corner inside r (move probs otherwise) */
3032         if (X(win) < X(r) - wc.border_width)
3033                 X(win) = X(r) - wc.border_width;
3034         if (X(win) > X(r) + WIDTH(r) - 1)
3035                 X(win) = (WIDTH(win) > WIDTH(r)) ? X(r) :
3036                     (X(r) + WIDTH(r) - WIDTH(win) - 2 * wc.border_width);
3037         if (Y(win) < Y(r) - wc.border_width)
3038                 Y(win) = Y(r) - wc.border_width;
3039         if (Y(win) > Y(r) + HEIGHT(r) - 1)
3040                 Y(win) = (HEIGHT(win) > HEIGHT(r)) ? Y(r) :
3041                     (Y(r) + HEIGHT(r) - HEIGHT(win) - 2 * wc.border_width);
3042
3043         wc.x = X(win);
3044         wc.y = Y(win);
3045         wc.width = WIDTH(win);
3046         wc.height = HEIGHT(win);
3047
3048         /*
3049          * Retain floater and transient geometry for correct positioning
3050          * when ws changes region
3051          */
3052         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
3053                 store_float_geom(win, r);
3054
3055         DNPRINTF(SWM_D_MISC, "stack_floater: window: %lu, (x,y) w x h: (%d,%d) "
3056             "%d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
3057
3058         XConfigureWindow(display, win->id, mask, &wc);
3059 }
3060
3061 /*
3062  * Send keystrokes to terminal to decrease/increase the font size as the
3063  * window size changes.
3064  */
3065 void
3066 adjust_font(struct ws_win *win)
3067 {
3068         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3069             win->floating || win->transient)
3070                 return;
3071
3072         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3073             WIDTH(win) / win->sh.width_inc < term_width &&
3074             win->font_steps < SWM_MAX_FONT_STEPS) {
3075                 win->font_size_boundary[win->font_steps] =
3076                     (win->sh.width_inc * term_width) + win->sh.base_width;
3077                 win->font_steps++;
3078                 font_adjusted++;
3079                 win->last_inc = win->sh.width_inc;
3080                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3081         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3082             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3083                 win->font_steps--;
3084                 font_adjusted++;
3085                 win->last_inc = win->sh.width_inc;
3086                 fake_keypress(win, XK_KP_Add, ShiftMask);
3087         }
3088 }
3089
3090 #define SWAPXY(g)       do {                            \
3091         int tmp;                                        \
3092         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3093         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3094 } while (0)
3095 void
3096 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3097 {
3098         XWindowChanges          wc;
3099         XWindowAttributes       wa;
3100         struct swm_geometry     win_g, r_g = *g;
3101         struct ws_win           *win, *fs_win = 0;
3102         int                     i, j, s, stacks;
3103         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3104         int                     hrh, extra = 0, h_slice, last_h = 0;
3105         int                     split, colno, winno, mwin, msize, mscale;
3106         int                     remain, missing, v_slice, reconfigure;
3107         unsigned int            mask;
3108
3109         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3110             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3111
3112         winno = count_win(ws, 0);
3113         if (winno == 0 && count_win(ws, 1) == 0)
3114                 return;
3115
3116         TAILQ_FOREACH(win, &ws->winlist, entry)
3117                 if (win->transient == 0 && win->floating == 0
3118                     && win->iconic == 0)
3119                         break;
3120
3121         if (win == NULL)
3122                 goto notiles;
3123
3124         if (rot) {
3125                 w_inc = win->sh.width_inc;
3126                 w_base = win->sh.base_width;
3127                 mwin = ws->l_state.horizontal_mwin;
3128                 mscale = ws->l_state.horizontal_msize;
3129                 stacks = ws->l_state.horizontal_stacks;
3130                 SWAPXY(&r_g);
3131         } else {
3132                 w_inc = win->sh.height_inc;
3133                 w_base = win->sh.base_height;
3134                 mwin = ws->l_state.vertical_mwin;
3135                 mscale = ws->l_state.vertical_msize;
3136                 stacks = ws->l_state.vertical_stacks;
3137         }
3138         win_g = r_g;
3139
3140         if (stacks > winno - mwin)
3141                 stacks = winno - mwin;
3142         if (stacks < 1)
3143                 stacks = 1;
3144
3145         h_slice = r_g.h / SWM_H_SLICE;
3146         if (mwin && winno > mwin) {
3147                 v_slice = r_g.w / SWM_V_SLICE;
3148
3149                 split = mwin;
3150                 colno = split;
3151                 win_g.w = v_slice * mscale;
3152
3153                 if (w_inc > 1 && w_inc < v_slice) {
3154                         /* adjust for window's requested size increment */
3155                         remain = (win_g.w - w_base) % w_inc;
3156                         win_g.w -= remain;
3157                 }
3158
3159                 msize = win_g.w;
3160                 if (flip)
3161                         win_g.x += r_g.w - msize;
3162         } else {
3163                 msize = -2;
3164                 colno = split = winno / stacks;
3165                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3166                     2 * border_width) / stacks);
3167         }
3168         hrh = r_g.h / colno;
3169         extra = r_g.h - (colno * hrh);
3170         win_g.h = hrh - 2 * border_width;
3171
3172         /*  stack all the tiled windows */
3173         i = j = 0, s = stacks;
3174         TAILQ_FOREACH(win, &ws->winlist, entry) {
3175                 if (win->transient != 0 || win->floating != 0)
3176                         continue;
3177                 if (win->iconic != 0)
3178                         continue;
3179
3180                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3181                         fs_win = win;
3182                         continue;
3183                 }
3184
3185                 if (split && i == split) {
3186                         colno = (winno - mwin) / stacks;
3187                         if (s <= (winno - mwin) % stacks)
3188                                 colno++;
3189                         split = split + colno;
3190                         hrh = (r_g.h / colno);
3191                         extra = r_g.h - (colno * hrh);
3192                         if (flip)
3193                                 win_g.x = r_g.x;
3194                         else
3195                                 win_g.x += win_g.w + 2 * border_width;
3196                         win_g.w = (r_g.w - msize -
3197                             (stacks * 2 * border_width)) / stacks;
3198                         if (s == 1)
3199                                 win_g.w += (r_g.w - msize -
3200                                     (stacks * 2 * border_width)) % stacks;
3201                         s--;
3202                         j = 0;
3203                 }
3204                 win_g.h = hrh - 2 * border_width;
3205                 if (rot) {
3206                         h_inc = win->sh.width_inc;
3207                         h_base = win->sh.base_width;
3208                 } else {
3209                         h_inc = win->sh.height_inc;
3210                         h_base = win->sh.base_height;
3211                 }
3212                 if (j == colno - 1) {
3213                         win_g.h = hrh + extra;
3214                 } else if (h_inc > 1 && h_inc < h_slice) {
3215                         /* adjust for window's requested size increment */
3216                         remain = (win_g.h - h_base) % h_inc;
3217                         missing = h_inc - remain;
3218
3219                         if (missing <= extra || j == 0) {
3220                                 extra -= missing;
3221                                 win_g.h += missing;
3222                         } else {
3223                                 win_g.h -= remain;
3224                                 extra += remain;
3225                         }
3226                 }
3227
3228                 if (j == 0)
3229                         win_g.y = r_g.y;
3230                 else
3231                         win_g.y += last_h + 2 * border_width;
3232
3233                 bzero(&wc, sizeof wc);
3234                 if (disable_border && bar_enabled == 0 && winno == 1){
3235                         wc.border_width = 0;
3236                         win_g.w += 2 * border_width;
3237                         win_g.h += 2 * border_width;
3238                 } else
3239                         wc.border_width = border_width;
3240                 reconfigure = 0;
3241                 if (rot) {
3242                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3243                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3244                                 reconfigure = 1;
3245                                 X(win) = wc.x = win_g.y;
3246                                 Y(win) = wc.y = win_g.x;
3247                                 WIDTH(win) = wc.width = win_g.h;
3248                                 HEIGHT(win) = wc.height = win_g.w;
3249                         }
3250                 } else {
3251                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3252                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3253                                 reconfigure = 1;
3254                                 X(win) = wc.x = win_g.x;
3255                                 Y(win) = wc.y = win_g.y;
3256                                 WIDTH(win) = wc.width = win_g.w;
3257                                 HEIGHT(win) = wc.height = win_g.h;
3258                         }
3259                 }
3260                 if (reconfigure) {
3261                         adjust_font(win);
3262                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3263                         XConfigureWindow(display, win->id, mask, &wc);
3264                 }
3265
3266                 if (XGetWindowAttributes(display, win->id, &wa))
3267                         if (wa.map_state == IsUnmapped)
3268                                 XMapRaised(display, win->id);
3269
3270                 last_h = win_g.h;
3271                 i++;
3272                 j++;
3273         }
3274
3275 notiles:
3276         /* now, stack all the floaters and transients */
3277         TAILQ_FOREACH(win, &ws->winlist, entry) {
3278                 if (win->transient == 0 && win->floating == 0)
3279                         continue;
3280                 if (win->iconic == 1)
3281                         continue;
3282                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3283                         fs_win = win;
3284                         continue;
3285                 }
3286
3287                 stack_floater(win, ws->r);
3288                 XMapRaised(display, win->id);
3289         }
3290
3291         if (fs_win) {
3292                 stack_floater(fs_win, ws->r);
3293                 XMapRaised(display, fs_win->id);
3294         }
3295 }
3296
3297 void
3298 vertical_config(struct workspace *ws, int id)
3299 {
3300         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3301             id, ws->idx);
3302
3303         switch (id) {
3304         case SWM_ARG_ID_STACKRESET:
3305         case SWM_ARG_ID_STACKINIT:
3306                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3307                 ws->l_state.vertical_mwin = 1;
3308                 ws->l_state.vertical_stacks = 1;
3309                 break;
3310         case SWM_ARG_ID_MASTERSHRINK:
3311                 if (ws->l_state.vertical_msize > 1)
3312                         ws->l_state.vertical_msize--;
3313                 break;
3314         case SWM_ARG_ID_MASTERGROW:
3315                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3316                         ws->l_state.vertical_msize++;
3317                 break;
3318         case SWM_ARG_ID_MASTERADD:
3319                 ws->l_state.vertical_mwin++;
3320                 break;
3321         case SWM_ARG_ID_MASTERDEL:
3322                 if (ws->l_state.vertical_mwin > 0)
3323                         ws->l_state.vertical_mwin--;
3324                 break;
3325         case SWM_ARG_ID_STACKINC:
3326                 ws->l_state.vertical_stacks++;
3327                 break;
3328         case SWM_ARG_ID_STACKDEC:
3329                 if (ws->l_state.vertical_stacks > 1)
3330                         ws->l_state.vertical_stacks--;
3331                 break;
3332         case SWM_ARG_ID_FLIPLAYOUT:
3333                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3334                 break;
3335         default:
3336                 return;
3337         }
3338 }
3339
3340 void
3341 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3342 {
3343         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3344
3345         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3346 }
3347
3348 void
3349 horizontal_config(struct workspace *ws, int id)
3350 {
3351         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3352
3353         switch (id) {
3354         case SWM_ARG_ID_STACKRESET:
3355         case SWM_ARG_ID_STACKINIT:
3356                 ws->l_state.horizontal_mwin = 1;
3357                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3358                 ws->l_state.horizontal_stacks = 1;
3359                 break;
3360         case SWM_ARG_ID_MASTERSHRINK:
3361                 if (ws->l_state.horizontal_msize > 1)
3362                         ws->l_state.horizontal_msize--;
3363                 break;
3364         case SWM_ARG_ID_MASTERGROW:
3365                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3366                         ws->l_state.horizontal_msize++;
3367                 break;
3368         case SWM_ARG_ID_MASTERADD:
3369                 ws->l_state.horizontal_mwin++;
3370                 break;
3371         case SWM_ARG_ID_MASTERDEL:
3372                 if (ws->l_state.horizontal_mwin > 0)
3373                         ws->l_state.horizontal_mwin--;
3374                 break;
3375         case SWM_ARG_ID_STACKINC:
3376                 ws->l_state.horizontal_stacks++;
3377                 break;
3378         case SWM_ARG_ID_STACKDEC:
3379                 if (ws->l_state.horizontal_stacks > 1)
3380                         ws->l_state.horizontal_stacks--;
3381                 break;
3382         case SWM_ARG_ID_FLIPLAYOUT:
3383                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3384                 break;
3385         default:
3386                 return;
3387         }
3388 }
3389
3390 void
3391 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3392 {
3393         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3394
3395         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3396 }
3397
3398 /* fullscreen view */
3399 void
3400 max_stack(struct workspace *ws, struct swm_geometry *g)
3401 {
3402         XWindowChanges          wc;
3403         struct swm_geometry     gg = *g;
3404         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3405         unsigned int            mask;
3406         int                     winno;
3407
3408         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3409
3410         if (ws == NULL)
3411                 return;
3412
3413         winno = count_win(ws, 0);
3414         if (winno == 0 && count_win(ws, 1) == 0)
3415                 return;
3416
3417         TAILQ_FOREACH(win, &ws->winlist, entry) {
3418                 if (win->transient) {
3419                         wintrans = win;
3420                         parent = find_window(win->transient);
3421                         continue;
3422                 }
3423
3424                 if (win->floating && win->floatmaxed == 0 ) {
3425                         /*
3426                          * retain geometry for retrieval on exit from
3427                          * max_stack mode
3428                          */
3429                         store_float_geom(win, ws->r);
3430                         win->floatmaxed = 1;
3431                 }
3432
3433                 /* only reconfigure if necessary */
3434                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3435                     HEIGHT(win) != gg.h) {
3436                         bzero(&wc, sizeof wc);
3437                         X(win) = wc.x = gg.x;
3438                         Y(win) = wc.y = gg.y;
3439                         if (bar_enabled){
3440                                 wc.border_width = border_width;
3441                                 WIDTH(win) = wc.width = gg.w;
3442                                 HEIGHT(win) = wc.height = gg.h;
3443                         } else {
3444                                 wc.border_width = 0;
3445                                 WIDTH(win) = wc.width = gg.w + 2 * border_width;
3446                                 HEIGHT(win) = wc.height = gg.h +
3447                                     2 * border_width;
3448                         }
3449                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3450                         XConfigureWindow(display, win->id, mask, &wc);
3451                 }
3452                 /* unmap only if we don't have multi screen */
3453                 if (win != ws->focus)
3454                         if (!(ScreenCount(display) > 1 || outputs > 1))
3455                                 unmap_window(win);
3456         }
3457
3458         /* put the last transient on top */
3459         if (wintrans) {
3460                 if (parent)
3461                         XMapRaised(display, parent->id);
3462                 stack_floater(wintrans, ws->r);
3463                 focus_magic(wintrans);
3464         }
3465 }
3466
3467 void
3468 send_to_ws(struct swm_region *r, union arg *args)
3469 {
3470         int                     wsid = args->id;
3471         struct ws_win           *win = NULL, *parent;
3472         struct workspace        *ws, *nws;
3473         Atom                    ws_idx_atom = 0;
3474         unsigned char           ws_idx_str[SWM_PROPLEN];
3475         union arg               a;
3476
3477         if (wsid >= workspace_limit)
3478                 return;
3479
3480         if (r && r->ws && r->ws->focus)
3481                 win = r->ws->focus;
3482         else
3483                 return;
3484         if (win == NULL)
3485                 return;
3486         if (win->ws->idx == wsid)
3487                 return;
3488
3489         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3490
3491         ws = win->ws;
3492         nws = &win->s->ws[wsid];
3493
3494         a.id = SWM_ARG_ID_FOCUSPREV;
3495         focus(r, &a);
3496         if (win->transient) {
3497                 parent = find_window(win->transient);
3498                 if (parent) {
3499                         unmap_window(parent);
3500                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3501                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3502                         parent->ws = nws;
3503                 }
3504         }
3505         unmap_window(win);
3506         TAILQ_REMOVE(&ws->winlist, win, entry);
3507         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3508         if (TAILQ_EMPTY(&ws->winlist))
3509                 r->ws->focus = NULL;
3510         win->ws = nws;
3511
3512         /* Try to update the window's workspace property */
3513         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3514         if (ws_idx_atom &&
3515             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3516                 SWM_PROPLEN) {
3517                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3518                     ws_idx_str);
3519                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3520                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
3521         }
3522
3523         stack();
3524         bar_update();
3525 }
3526
3527 void
3528 pressbutton(struct swm_region *r, union arg *args)
3529 {
3530         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3531         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3532 }
3533
3534 void
3535 raise_toggle(struct swm_region *r, union arg *args)
3536 {
3537         if (r == NULL || r->ws == NULL)
3538                 return;
3539
3540         r->ws->always_raise = !r->ws->always_raise;
3541
3542         /* bring floaters back to top */
3543         if (r->ws->always_raise == 0)
3544                 stack();
3545 }
3546
3547 void
3548 iconify(struct swm_region *r, union arg *args)
3549 {
3550         union arg a;
3551
3552         if (r->ws->focus == NULL)
3553                 return;
3554         unmap_window(r->ws->focus);
3555         update_iconic(r->ws->focus, 1);
3556         stack();
3557         if (focus_mode == SWM_FOCUS_DEFAULT)
3558                 drain_enter_notify();
3559         r->ws->focus = NULL;
3560         a.id = SWM_ARG_ID_FOCUSCUR;
3561         focus(r, &a);
3562 }
3563
3564 unsigned char *
3565 get_win_name(Window win)
3566 {
3567         unsigned char           *prop = NULL;
3568         unsigned long           nbytes, nitems;
3569
3570         /* try _NET_WM_NAME first */
3571         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3572             &prop)) {
3573                 XFree(prop);
3574                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3575                     &nitems, NULL, &prop))
3576                         return (prop);
3577         }
3578
3579         /* fallback to WM_NAME */
3580         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3581                 return (NULL);
3582         XFree(prop);
3583         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3584                 return (prop);
3585
3586         return (NULL);
3587 }
3588
3589 void
3590 uniconify(struct swm_region *r, union arg *args)
3591 {
3592         struct ws_win           *win;
3593         FILE                    *lfile;
3594         unsigned char           *name;
3595         int                     count = 0;
3596
3597         DNPRINTF(SWM_D_MISC, "uniconify\n");
3598
3599         if (r == NULL || r->ws == NULL)
3600                 return;
3601
3602         /* make sure we have anything to uniconify */
3603         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3604                 if (win->ws == NULL)
3605                         continue; /* should never happen */
3606                 if (win->iconic == 0)
3607                         continue;
3608                 count++;
3609         }
3610         if (count == 0)
3611                 return;
3612
3613         search_r = r;
3614         search_resp_action = SWM_SEARCH_UNICONIFY;
3615
3616         spawn_select(r, args, "search", &searchpid);
3617
3618         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3619                 return;
3620
3621         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3622                 if (win->ws == NULL)
3623                         continue; /* should never happen */
3624                 if (win->iconic == 0)
3625                         continue;
3626
3627                 name = get_win_name(win->id);
3628                 if (name == NULL)
3629                         continue;
3630                 fprintf(lfile, "%s.%lu\n", name, win->id);
3631                 XFree(name);
3632         }
3633
3634         fclose(lfile);
3635 }
3636
3637 void
3638 name_workspace(struct swm_region *r, union arg *args)
3639 {
3640         FILE                    *lfile;
3641
3642         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3643
3644         if (r == NULL)
3645                 return;
3646
3647         search_r = r;
3648         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3649
3650         spawn_select(r, args, "name_workspace", &searchpid);
3651
3652         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3653                 return;
3654
3655         fprintf(lfile, "%s", "");
3656         fclose(lfile);
3657 }
3658
3659 void
3660 search_workspace(struct swm_region *r, union arg *args)
3661 {
3662         int                     i;
3663         struct workspace        *ws;
3664         FILE                    *lfile;
3665
3666         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3667
3668         if (r == NULL)
3669                 return;
3670
3671         search_r = r;
3672         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3673
3674         spawn_select(r, args, "search", &searchpid);
3675
3676         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3677                 return;
3678
3679         for (i = 0; i < workspace_limit; i++) {
3680                 ws = &r->s->ws[i];
3681                 if (ws == NULL)
3682                         continue;
3683                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3684                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3685         }
3686
3687         fclose(lfile);
3688 }
3689
3690 void
3691 search_win_cleanup(void)
3692 {
3693         struct search_window    *sw = NULL;
3694
3695         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3696                 XDestroyWindow(display, sw->indicator);
3697                 XFreeGC(display, sw->gc);
3698                 TAILQ_REMOVE(&search_wl, sw, entry);
3699                 free(sw);
3700         }
3701 }
3702
3703 void
3704 search_win(struct swm_region *r, union arg *args)
3705 {
3706         struct ws_win           *win = NULL;
3707         struct search_window    *sw = NULL;
3708         Window                  w;
3709         XGCValues               gcv;
3710         int                     i;
3711         char                    s[8];
3712         FILE                    *lfile;
3713         size_t                  len;
3714         XRectangle              ibox, lbox;
3715
3716         DNPRINTF(SWM_D_MISC, "search_win\n");
3717
3718         search_r = r;
3719         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3720
3721         spawn_select(r, args, "search", &searchpid);
3722
3723         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3724                 return;
3725
3726         TAILQ_INIT(&search_wl);
3727
3728         i = 1;
3729         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3730                 if (win->iconic == 1)
3731                         continue;
3732
3733                 sw = calloc(1, sizeof(struct search_window));
3734                 if (sw == NULL) {
3735                         warn("search_win: calloc");
3736                         fclose(lfile);
3737                         search_win_cleanup();
3738                         return;
3739                 }
3740                 sw->idx = i;
3741                 sw->win = win;
3742
3743                 snprintf(s, sizeof s, "%d", i);
3744                 len = strlen(s);
3745
3746                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3747
3748                 w = XCreateSimpleWindow(display,
3749                     win->id, 0, 0,lbox.width + 4,
3750                     bar_fs_extents->max_logical_extent.height, 1,
3751                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3752                     r->s->c[SWM_S_COLOR_FOCUS].color);
3753
3754                 sw->indicator = w;
3755                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3756
3757                 sw->gc = XCreateGC(display, w, 0, &gcv);
3758                 XMapRaised(display, w);
3759                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3760
3761                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3762                     (bar_fs_extents->max_logical_extent.height -
3763                     lbox.height) / 2 - lbox.y, s, len);
3764
3765                 fprintf(lfile, "%d\n", i);
3766                 i++;
3767         }
3768
3769         fclose(lfile);
3770 }
3771
3772 void
3773 search_resp_uniconify(char *resp, unsigned long len)
3774 {
3775         unsigned char           *name;
3776         struct ws_win           *win;
3777         char                    *s;
3778
3779         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3780
3781         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3782                 if (win->iconic == 0)
3783                         continue;
3784                 name = get_win_name(win->id);
3785                 if (name == NULL)
3786                         continue;
3787                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3788                         XFree(name);
3789                         continue;
3790                 }
3791                 XFree(name);
3792                 if (strncmp(s, resp, len) == 0) {
3793                         /* XXX this should be a callback to generalize */
3794                         update_iconic(win, 0);
3795                         free(s);
3796                         break;
3797                 }
3798                 free(s);
3799         }
3800 }
3801
3802 void
3803 search_resp_name_workspace(char *resp, unsigned long len)
3804 {
3805         struct workspace        *ws;
3806
3807         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3808
3809         if (search_r->ws == NULL)
3810                 return;
3811         ws = search_r->ws;
3812
3813         if (ws->name) {
3814                 free(search_r->ws->name);
3815                 search_r->ws->name = NULL;
3816         }
3817
3818         if (len > 1) {
3819                 ws->name = strdup(resp);
3820                 if (ws->name == NULL) {
3821                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3822                             "strdup: %s", strerror(errno));
3823                         return;
3824                 }
3825         }
3826 }
3827
3828 void
3829 search_resp_search_workspace(char *resp, unsigned long len)
3830 {
3831         char                    *p, *q;
3832         int                     ws_idx;
3833         const char              *errstr;
3834         union arg               a;
3835
3836         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3837
3838         q = strdup(resp);
3839         if (!q) {
3840                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3841                     strerror(errno));
3842                 return;
3843         }
3844         p = strchr(q, ':');
3845         if (p != NULL)
3846                 *p = '\0';
3847         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3848         if (errstr) {
3849                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3850                     errstr, q);
3851                 free(q);
3852                 return;
3853         }
3854         free(q);
3855         a.id = ws_idx - 1;
3856         switchws(search_r, &a);
3857 }
3858
3859 void
3860 search_resp_search_window(char *resp, unsigned long len)
3861 {
3862         char                    *s;
3863         int                     idx;
3864         const char              *errstr;
3865         struct search_window    *sw;
3866
3867         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3868
3869         s = strdup(resp);
3870         if (!s) {
3871                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3872                     strerror(errno));
3873                 return;
3874         }
3875
3876         idx = strtonum(s, 1, INT_MAX, &errstr);
3877         if (errstr) {
3878                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3879                     errstr, s);
3880                 free(s);
3881                 return;
3882         }
3883         free(s);
3884
3885         TAILQ_FOREACH(sw, &search_wl, entry)
3886                 if (idx == sw->idx) {
3887                         focus_win(sw->win);
3888                         break;
3889                 }
3890 }
3891
3892 #define MAX_RESP_LEN    1024
3893
3894 void
3895 search_do_resp(void)
3896 {
3897         ssize_t                 rbytes;
3898         char                    *resp;
3899         unsigned long           len;
3900
3901         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3902
3903         search_resp = 0;
3904         searchpid = 0;
3905
3906         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3907                 warn("search: calloc");
3908                 goto done;
3909         }
3910
3911         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3912         if (rbytes <= 0) {
3913                 warn("search: read error");
3914                 goto done;
3915         }
3916         resp[rbytes] = '\0';
3917
3918         /* XXX:
3919          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3920          * newline, so work around that by sanitizing the resp now.
3921          */
3922         resp[strcspn(resp, "\n")] = '\0';
3923         len = strlen(resp);
3924
3925         switch (search_resp_action) {
3926         case SWM_SEARCH_UNICONIFY:
3927                 search_resp_uniconify(resp, len);
3928                 break;
3929         case SWM_SEARCH_NAME_WORKSPACE:
3930                 search_resp_name_workspace(resp, len);
3931                 break;
3932         case SWM_SEARCH_SEARCH_WORKSPACE:
3933                 search_resp_search_workspace(resp, len);
3934                 break;
3935         case SWM_SEARCH_SEARCH_WINDOW:
3936                 search_resp_search_window(resp, len);
3937                 break;
3938         }
3939
3940 done:
3941         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
3942                 search_win_cleanup();
3943
3944         search_resp_action = SWM_SEARCH_NONE;
3945         close(select_resp_pipe[0]);
3946         free(resp);
3947 }
3948
3949 void
3950 wkill(struct swm_region *r, union arg *args)
3951 {
3952         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
3953
3954         if (r->ws->focus == NULL)
3955                 return;
3956
3957         if (args->id == SWM_ARG_ID_KILLWINDOW)
3958                 XKillClient(display, r->ws->focus->id);
3959         else
3960                 if (r->ws->focus->can_delete)
3961                         client_msg(r->ws->focus, adelete);
3962 }
3963
3964
3965 int
3966 floating_toggle_win(struct ws_win *win)
3967 {
3968         struct swm_region       *r;
3969
3970         if (win == NULL)
3971                 return (0);
3972
3973         if (!win->ws->r)
3974                 return (0);
3975
3976         r = win->ws->r;
3977
3978         /* reject floating toggles in max stack mode */
3979         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3980                 return (0);
3981
3982         if (win->floating) {
3983                 if (!win->floatmaxed) {
3984                         /* retain position for refloat */
3985                         store_float_geom(win, r);
3986                 }
3987                 win->floating = 0;
3988         } else {
3989                 if (win->g_floatvalid) {
3990                         /* refloat at last floating relative position */
3991                         X(win) = win->g_float.x - win->rg_float.x + X(r);
3992                         Y(win) = win->g_float.y - win->rg_float.y + Y(r);
3993                         WIDTH(win) = win->g_float.w;
3994                         HEIGHT(win) = win->g_float.h;
3995                 }
3996                 win->floating = 1;
3997         }
3998
3999         ewmh_update_actions(win);
4000
4001         return (1);
4002 }
4003
4004 void
4005 floating_toggle(struct swm_region *r, union arg *args)
4006 {
4007         struct ws_win           *win = r->ws->focus;
4008         union arg               a;
4009
4010         if (win == NULL)
4011                 return;
4012
4013         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4014             _NET_WM_STATE_TOGGLE);
4015
4016         stack();
4017         if (focus_mode == SWM_FOCUS_DEFAULT)
4018                 drain_enter_notify();
4019
4020         if (win == win->ws->focus) {
4021                 a.id = SWM_ARG_ID_FOCUSCUR;
4022                 focus(win->ws->r, &a);
4023         }
4024 }
4025
4026 void
4027 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4028 {
4029         if (X(win) + WIDTH(win) > X(r) + WIDTH(r) - border_width) {
4030                 if (resizable)
4031                         WIDTH(win) = X(r) + WIDTH(r) - X(win) - border_width;
4032                 else
4033                         X(win) = X(r) + WIDTH(r) - WIDTH(win) - border_width;
4034         }
4035
4036         if (X(win) < X(r) - border_width) {
4037                 if (resizable)
4038                         WIDTH(win) -= X(r) - X(win) - border_width;
4039
4040                 X(win) = X(r) - border_width;
4041         }
4042
4043         if (Y(win) + HEIGHT(win) > Y(r) + HEIGHT(r) - border_width) {
4044                 if (resizable)
4045                         HEIGHT(win) = Y(r) + HEIGHT(r) - Y(win) - border_width;
4046                 else
4047                         Y(win) = Y(r) + HEIGHT(r) - HEIGHT(win) - border_width;
4048         }
4049
4050         if (Y(win) < Y(r) - border_width) {
4051                 if (resizable)
4052                         HEIGHT(win) -= Y(r) - Y(win) - border_width;
4053
4054                 Y(win) = Y(r) - border_width;
4055         }
4056
4057         if (WIDTH(win) < 1)
4058                 WIDTH(win) = 1;
4059         if (HEIGHT(win) < 1)
4060                 HEIGHT(win) = 1;
4061 }
4062
4063 void
4064 update_window(struct ws_win *win)
4065 {
4066         unsigned int            mask;
4067         XWindowChanges          wc;
4068
4069         bzero(&wc, sizeof wc);
4070         mask = CWBorderWidth | CWWidth | CWHeight | CWX | CWY;
4071         wc.border_width = border_width;
4072         wc.x = X(win);
4073         wc.y = Y(win);
4074         wc.width = WIDTH(win);
4075         wc.height = HEIGHT(win);
4076
4077         DNPRINTF(SWM_D_MISC, "update_window: window: 0x%lx, (x,y) w x h: "
4078             "(%d,%d) %d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
4079
4080         XConfigureWindow(display, win->id, mask, &wc);
4081 }
4082
4083 #define SWM_RESIZE_STEPS        (50)
4084
4085 void
4086 resize(struct ws_win *win, union arg *args)
4087 {
4088         XEvent                  ev;
4089         Time                    time = 0;
4090         struct swm_region       *r = NULL;
4091         int                     resize_step = 0;
4092         Window                  rr, cr;
4093         int                     x, y, wx, wy;
4094         unsigned int            mask;
4095         struct swm_geometry     g;
4096         int                     top = 0, left = 0;
4097         int                     dx, dy;
4098         Cursor                  cursor;
4099         unsigned int            shape; /* cursor style */
4100
4101         if (win == NULL)
4102                 return;
4103         r = win->ws->r;
4104
4105         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
4106             "transient: 0x%lx\n", win->id, YESNO(win->floating),
4107             win->transient);
4108
4109         if (!(win->transient != 0 || win->floating != 0))
4110                 return;
4111
4112         /* reject resizes in max mode for floaters (transient ok) */
4113         if (win->floatmaxed)
4114                 return;
4115
4116         win->manual = 1;
4117         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4118             _NET_WM_STATE_ADD);
4119
4120         stack();
4121
4122         switch (args->id) {
4123         case SWM_ARG_ID_WIDTHSHRINK:
4124                 WIDTH(win) -= SWM_RESIZE_STEPS;
4125                 resize_step = 1;
4126                 break;
4127         case SWM_ARG_ID_WIDTHGROW:
4128                 WIDTH(win) += SWM_RESIZE_STEPS;
4129                 resize_step = 1;
4130                 break;
4131         case SWM_ARG_ID_HEIGHTSHRINK:
4132                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4133                 resize_step = 1;
4134                 break;
4135         case SWM_ARG_ID_HEIGHTGROW:
4136                 HEIGHT(win) += SWM_RESIZE_STEPS;
4137                 resize_step = 1;
4138                 break;
4139         default:
4140                 break;
4141         }
4142         if (resize_step) {
4143                 constrain_window(win, r, 1);
4144                 update_window(win);
4145                 store_float_geom(win,r);
4146                 return;
4147         }
4148
4149         if (focus_mode == SWM_FOCUS_DEFAULT)
4150                 drain_enter_notify();
4151
4152         /* get cursor offset from window root */
4153         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4154             return;
4155
4156         g = win->g;
4157
4158         if (wx < WIDTH(win) / 2)
4159                 left = 1;
4160
4161         if (wy < HEIGHT(win) / 2)
4162                 top = 1;
4163
4164         if (args->id == SWM_ARG_ID_CENTER)
4165                 shape = XC_sizing;
4166         else if (top)
4167                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4168         else
4169                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4170
4171         cursor = XCreateFontCursor(display, shape);
4172
4173         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4174             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4175                 XFreeCursor(display, cursor);
4176                 return;
4177         }
4178
4179         do {
4180                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4181                     SubstructureRedirectMask, &ev);
4182                 switch (ev.type) {
4183                 case ConfigureRequest:
4184                 case Expose:
4185                 case MapRequest:
4186                         handler[ev.type](&ev);
4187                         break;
4188                 case MotionNotify:
4189                         /* cursor offset/delta from start of the operation */
4190                         dx = ev.xmotion.x_root - x;
4191                         dy = ev.xmotion.y_root - y;
4192
4193                         /* vertical */
4194                         if (top)
4195                                 dy = -dy;
4196
4197                         if (args->id == SWM_ARG_ID_CENTER) {
4198                                 if (g.h / 2 + dy < 1)
4199                                         dy = 1 - g.h / 2;
4200
4201                                 Y(win) = g.y - dy;
4202                                 HEIGHT(win) = g.h + 2 * dy;
4203                         } else {
4204                                 if (g.h + dy < 1)
4205                                         dy = 1 - g.h;
4206
4207                                 if (top)
4208                                         Y(win) = g.y - dy;
4209
4210                                 HEIGHT(win) = g.h + dy;
4211                         }
4212
4213                         /* horizontal */
4214                         if (left)
4215                                 dx = -dx;
4216
4217                         if (args->id == SWM_ARG_ID_CENTER) {
4218                                 if (g.w / 2 + dx < 1)
4219                                         dx = 1 - g.w / 2;
4220
4221                                 X(win) = g.x - dx;
4222                                 WIDTH(win) = g.w + 2 * dx;
4223                         } else {
4224                                 if (g.w + dx < 1)
4225                                         dx = 1 - g.w;
4226
4227                                 if (left)
4228                                         X(win) = g.x - dx;
4229
4230                                 WIDTH(win) = g.w + dx;
4231                         }
4232
4233                         constrain_window(win, r, 1);
4234
4235                         /* not free, don't sync more than 120 times / second */
4236                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4237                                 time = ev.xmotion.time;
4238                                 XSync(display, False);
4239                                 update_window(win);
4240                         }
4241                         break;
4242                 }
4243         } while (ev.type != ButtonRelease);
4244         if (time) {
4245                 XSync(display, False);
4246                 update_window(win);
4247         }
4248         store_float_geom(win,r);
4249
4250         XUngrabPointer(display, CurrentTime);
4251         XFreeCursor(display, cursor);
4252
4253         /* drain events */
4254         drain_enter_notify();
4255 }
4256
4257 void
4258 resize_step(struct swm_region *r, union arg *args)
4259 {
4260         struct ws_win           *win = NULL;
4261
4262         if (r && r->ws && r->ws->focus)
4263                 win = r->ws->focus;
4264         else
4265                 return;
4266
4267         resize(win, args);
4268 }
4269
4270 #define SWM_MOVE_STEPS  (50)
4271
4272 void
4273 move(struct ws_win *win, union arg *args)
4274 {
4275         XEvent                  ev;
4276         Time                    time = 0;
4277         int                     move_step = 0;
4278         struct swm_region       *r = NULL;
4279
4280         Window                  rr, cr;
4281         int                     x, y, wx, wy;
4282         unsigned int            mask;
4283
4284         if (win == NULL)
4285                 return;
4286         r = win->ws->r;
4287
4288         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4289             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4290
4291         /* in max_stack mode should only move transients */
4292         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4293                 return;
4294
4295         win->manual = 1;
4296         if (win->floating == 0 && !win->transient) {
4297                 store_float_geom(win,r);
4298                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4299                     _NET_WM_STATE_ADD);
4300         }
4301         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4302             _NET_WM_STATE_ADD);
4303
4304         stack();
4305
4306         move_step = 0;
4307         switch (args->id) {
4308         case SWM_ARG_ID_MOVELEFT:
4309                 X(win) -= (SWM_MOVE_STEPS - border_width);
4310                 move_step = 1;
4311                 break;
4312         case SWM_ARG_ID_MOVERIGHT:
4313                 X(win) += (SWM_MOVE_STEPS - border_width);
4314                 move_step = 1;
4315                 break;
4316         case SWM_ARG_ID_MOVEUP:
4317                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4318                 move_step = 1;
4319                 break;
4320         case SWM_ARG_ID_MOVEDOWN:
4321                 Y(win) += (SWM_MOVE_STEPS - border_width);
4322                 move_step = 1;
4323                 break;
4324         default:
4325                 break;
4326         }
4327         if (move_step) {
4328                 constrain_window(win, r, 0);
4329                 update_window(win);
4330                 store_float_geom(win, r);
4331                 return;
4332         }
4333
4334         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4335             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4336             CurrentTime) != GrabSuccess)
4337                 return;
4338
4339         /* get cursor offset from window root */
4340         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4341             return;
4342
4343         do {
4344                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4345                     SubstructureRedirectMask, &ev);
4346                 switch (ev.type) {
4347                 case ConfigureRequest:
4348                 case Expose:
4349                 case MapRequest:
4350                         handler[ev.type](&ev);
4351                         break;
4352                 case MotionNotify:
4353                         X(win) = ev.xmotion.x_root - wx - border_width;
4354                         Y(win) = ev.xmotion.y_root - wy - border_width;
4355
4356                         constrain_window(win, r, 0);
4357
4358                         /* not free, don't sync more than 120 times / second */
4359                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4360                                 time = ev.xmotion.time;
4361                                 XSync(display, False);
4362                                 update_window(win);
4363                         }
4364                         break;
4365                 }
4366         } while (ev.type != ButtonRelease);
4367         if (time) {
4368                 XSync(display, False);
4369                 update_window(win);
4370         }
4371         store_float_geom(win,r);
4372         XUngrabPointer(display, CurrentTime);
4373
4374         /* drain events */
4375         drain_enter_notify();
4376 }
4377
4378 void
4379 move_step(struct swm_region *r, union arg *args)
4380 {
4381         struct ws_win           *win = NULL;
4382
4383         if (r && r->ws && r->ws->focus)
4384                 win = r->ws->focus;
4385         else
4386                 return;
4387
4388         if (!(win->transient != 0 || win->floating != 0))
4389                 return;
4390
4391         move(win, args);
4392 }
4393
4394
4395 /* user/key callable function IDs */
4396 enum keyfuncid {
4397         kf_cycle_layout,
4398         kf_flip_layout,
4399         kf_stack_reset,
4400         kf_master_shrink,
4401         kf_master_grow,
4402         kf_master_add,
4403         kf_master_del,
4404         kf_stack_inc,
4405         kf_stack_dec,
4406         kf_swap_main,
4407         kf_focus_next,
4408         kf_focus_prev,
4409         kf_swap_next,
4410         kf_swap_prev,
4411         kf_quit,
4412         kf_restart,
4413         kf_focus_main,
4414         kf_ws_1,
4415         kf_ws_2,
4416         kf_ws_3,
4417         kf_ws_4,
4418         kf_ws_5,
4419         kf_ws_6,
4420         kf_ws_7,
4421         kf_ws_8,
4422         kf_ws_9,
4423         kf_ws_10,
4424         kf_ws_11,
4425         kf_ws_12,
4426         kf_ws_13,
4427         kf_ws_14,
4428         kf_ws_15,
4429         kf_ws_16,
4430         kf_ws_17,
4431         kf_ws_18,
4432         kf_ws_19,
4433         kf_ws_20,
4434         kf_ws_21,
4435         kf_ws_22,
4436         kf_ws_next,
4437         kf_ws_prev,
4438         kf_ws_next_all,
4439         kf_ws_prev_all,
4440         kf_ws_prior,
4441         kf_screen_next,
4442         kf_screen_prev,
4443         kf_mvws_1,
4444         kf_mvws_2,
4445         kf_mvws_3,
4446         kf_mvws_4,
4447         kf_mvws_5,
4448         kf_mvws_6,
4449         kf_mvws_7,
4450         kf_mvws_8,
4451         kf_mvws_9,
4452         kf_mvws_10,
4453         kf_mvws_11,
4454         kf_mvws_12,
4455         kf_mvws_13,
4456         kf_mvws_14,
4457         kf_mvws_15,
4458         kf_mvws_16,
4459         kf_mvws_17,
4460         kf_mvws_18,
4461         kf_mvws_19,
4462         kf_mvws_20,
4463         kf_mvws_21,
4464         kf_mvws_22,
4465         kf_bar_toggle,
4466         kf_wind_kill,
4467         kf_wind_del,
4468         kf_float_toggle,
4469         kf_version,
4470         kf_spawn_custom,
4471         kf_iconify,
4472         kf_uniconify,
4473         kf_raise_toggle,
4474         kf_button2,
4475         kf_width_shrink,
4476         kf_width_grow,
4477         kf_height_shrink,
4478         kf_height_grow,
4479         kf_move_left,
4480         kf_move_right,
4481         kf_move_up,
4482         kf_move_down,
4483         kf_name_workspace,
4484         kf_search_workspace,
4485         kf_search_win,
4486         kf_dumpwins, /* MUST BE LAST */
4487         kf_invalid
4488 };
4489
4490 /* key definitions */
4491 void
4492 dummykeyfunc(struct swm_region *r, union arg *args)
4493 {
4494 };
4495
4496 struct keyfunc {
4497         char                    name[SWM_FUNCNAME_LEN];
4498         void                    (*func)(struct swm_region *r, union arg *);
4499         union arg               args;
4500 } keyfuncs[kf_invalid + 1] = {
4501         /* name                 function        argument */
4502         { "cycle_layout",       cycle_layout,   {0} },
4503         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4504         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4505         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4506         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4507         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4508         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4509         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4510         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4511         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4512         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4513         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4514         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4515         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4516         { "quit",               quit,           {0} },
4517         { "restart",            restart,        {0} },
4518         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4519         { "ws_1",               switchws,       {.id = 0} },
4520         { "ws_2",               switchws,       {.id = 1} },
4521         { "ws_3",               switchws,       {.id = 2} },
4522         { "ws_4",               switchws,       {.id = 3} },
4523         { "ws_5",               switchws,       {.id = 4} },
4524         { "ws_6",               switchws,       {.id = 5} },
4525         { "ws_7",               switchws,       {.id = 6} },
4526         { "ws_8",               switchws,       {.id = 7} },
4527         { "ws_9",               switchws,       {.id = 8} },
4528         { "ws_10",              switchws,       {.id = 9} },
4529         { "ws_11",              switchws,       {.id = 10} },
4530         { "ws_12",              switchws,       {.id = 11} },
4531         { "ws_13",              switchws,       {.id = 12} },
4532         { "ws_14",              switchws,       {.id = 13} },
4533         { "ws_15",              switchws,       {.id = 14} },
4534         { "ws_16",              switchws,       {.id = 15} },
4535         { "ws_17",              switchws,       {.id = 16} },
4536         { "ws_18",              switchws,       {.id = 17} },
4537         { "ws_19",              switchws,       {.id = 18} },
4538         { "ws_20",              switchws,       {.id = 19} },
4539         { "ws_21",              switchws,       {.id = 20} },
4540         { "ws_22",              switchws,       {.id = 21} },
4541         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4542         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4543         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4544         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4545         { "ws_prior",           priorws,        {0} },
4546         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4547         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4548         { "mvws_1",             send_to_ws,     {.id = 0} },
4549         { "mvws_2",             send_to_ws,     {.id = 1} },
4550         { "mvws_3",             send_to_ws,     {.id = 2} },
4551         { "mvws_4",             send_to_ws,     {.id = 3} },
4552         { "mvws_5",             send_to_ws,     {.id = 4} },
4553         { "mvws_6",             send_to_ws,     {.id = 5} },
4554         { "mvws_7",             send_to_ws,     {.id = 6} },
4555         { "mvws_8",             send_to_ws,     {.id = 7} },
4556         { "mvws_9",             send_to_ws,     {.id = 8} },
4557         { "mvws_10",            send_to_ws,     {.id = 9} },
4558         { "mvws_11",            send_to_ws,     {.id = 10} },
4559         { "mvws_12",            send_to_ws,     {.id = 11} },
4560         { "mvws_13",            send_to_ws,     {.id = 12} },
4561         { "mvws_14",            send_to_ws,     {.id = 13} },
4562         { "mvws_15",            send_to_ws,     {.id = 14} },
4563         { "mvws_16",            send_to_ws,     {.id = 15} },
4564         { "mvws_17",            send_to_ws,     {.id = 16} },
4565         { "mvws_18",            send_to_ws,     {.id = 17} },
4566         { "mvws_19",            send_to_ws,     {.id = 18} },
4567         { "mvws_20",            send_to_ws,     {.id = 19} },
4568         { "mvws_21",            send_to_ws,     {.id = 20} },
4569         { "mvws_22",            send_to_ws,     {.id = 21} },
4570         { "bar_toggle",         bar_toggle,     {0} },
4571         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4572         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4573         { "float_toggle",       floating_toggle,{0} },
4574         { "version",            version,        {0} },
4575         { "spawn_custom",       dummykeyfunc,   {0} },
4576         { "iconify",            iconify,        {0} },
4577         { "uniconify",          uniconify,      {0} },
4578         { "raise_toggle",       raise_toggle,   {0} },
4579         { "button2",            pressbutton,    {2} },
4580         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4581         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4582         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4583         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4584         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4585         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4586         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4587         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4588         { "name_workspace",     name_workspace, {0} },
4589         { "search_workspace",   search_workspace,       {0} },
4590         { "search_win",         search_win,     {0} },
4591         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4592         { "invalid key func",   NULL,           {0} },
4593 };
4594 struct key {
4595         RB_ENTRY(key)           entry;
4596         unsigned int            mod;
4597         KeySym                  keysym;
4598         enum keyfuncid          funcid;
4599         char                    *spawn_name;
4600 };
4601 RB_HEAD(key_tree, key);
4602
4603 int
4604 key_cmp(struct key *kp1, struct key *kp2)
4605 {
4606         if (kp1->keysym < kp2->keysym)
4607                 return (-1);
4608         if (kp1->keysym > kp2->keysym)
4609                 return (1);
4610
4611         if (kp1->mod < kp2->mod)
4612                 return (-1);
4613         if (kp1->mod > kp2->mod)
4614                 return (1);
4615
4616         return (0);
4617 }
4618
4619 RB_GENERATE(key_tree, key, entry, key_cmp);
4620 struct key_tree                 keys;
4621
4622 /* mouse */
4623 enum { client_click, root_click };
4624 struct button {
4625         unsigned int            action;
4626         unsigned int            mask;
4627         unsigned int            button;
4628         void                    (*func)(struct ws_win *, union arg *);
4629         union arg               args;
4630 } buttons[] = {
4631           /* action     key             mouse button    func    args */
4632         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4633         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4634         { client_click, MODKEY,         Button1,        move,   {0} },
4635 };
4636
4637 void
4638 update_modkey(unsigned int mod)
4639 {
4640         int                     i;
4641         struct key              *kp;
4642
4643         mod_key = mod;
4644         RB_FOREACH(kp, key_tree, &keys)
4645                 if (kp->mod & ShiftMask)
4646                         kp->mod = mod | ShiftMask;
4647                 else
4648                         kp->mod = mod;
4649
4650         for (i = 0; i < LENGTH(buttons); i++)
4651                 if (buttons[i].mask & ShiftMask)
4652                         buttons[i].mask = mod | ShiftMask;
4653                 else
4654                         buttons[i].mask = mod;
4655 }
4656
4657 /* spawn */
4658 struct spawn_prog {
4659         TAILQ_ENTRY(spawn_prog) entry;
4660         char                    *name;
4661         int                     argc;
4662         char                    **argv;
4663 };
4664 TAILQ_HEAD(spawn_list, spawn_prog);
4665 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4666
4667 int
4668 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4669     char ***ret_args)
4670 {
4671         struct spawn_prog       *prog = NULL;
4672         int                     i;
4673         char                    *ap, **real_args;
4674
4675         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4676
4677         /* find program */
4678         TAILQ_FOREACH(prog, &spawns, entry) {
4679                 if (!strcasecmp(spawn_name, prog->name))
4680                         break;
4681         }
4682         if (prog == NULL) {
4683                 warnx("spawn_custom: program %s not found", spawn_name);
4684                 return (-1);
4685         }
4686
4687         /* make room for expanded args */
4688         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4689                 err(1, "spawn_custom: calloc real_args");
4690
4691         /* expand spawn_args into real_args */
4692         for (i = 0; i < prog->argc; i++) {
4693                 ap = prog->argv[i];
4694                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4695                 if (!strcasecmp(ap, "$bar_border")) {
4696                         if ((real_args[i] =
4697                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4698                             == NULL)
4699                                 err(1,  "spawn_custom border color");
4700                 } else if (!strcasecmp(ap, "$bar_color")) {
4701                         if ((real_args[i] =
4702                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4703                             == NULL)
4704                                 err(1, "spawn_custom bar color");
4705                 } else if (!strcasecmp(ap, "$bar_font")) {
4706                         if ((real_args[i] = strdup(bar_fonts))
4707                             == NULL)
4708                                 err(1, "spawn_custom bar fonts");
4709                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4710                         if ((real_args[i] =
4711                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4712                             == NULL)
4713                                 err(1, "spawn_custom color font");
4714                 } else if (!strcasecmp(ap, "$color_focus")) {
4715                         if ((real_args[i] =
4716                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4717                             == NULL)
4718                                 err(1, "spawn_custom color focus");
4719                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4720                         if ((real_args[i] =
4721                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4722                             == NULL)
4723                                 err(1, "spawn_custom color unfocus");
4724                 } else {
4725                         /* no match --> copy as is */
4726                         if ((real_args[i] = strdup(ap)) == NULL)
4727                                 err(1, "spawn_custom strdup(ap)");
4728                 }
4729                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4730                     real_args[i]);
4731         }
4732
4733 #ifdef SWM_DEBUG
4734         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4735         for (i = 0; i < prog->argc; i++)
4736                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4737         DNPRINTF(SWM_D_SPAWN, "\n");
4738 #endif
4739         *ret_args = real_args;
4740         return (prog->argc);
4741 }
4742
4743 void
4744 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4745 {
4746         union arg               a;
4747         char                    **real_args;
4748         int                     spawn_argc, i;
4749
4750         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4751                 return;
4752         a.argv = real_args;
4753         if (fork() == 0)
4754                 spawn(r->ws->idx, &a, 1);
4755
4756         for (i = 0; i < spawn_argc; i++)
4757                 free(real_args[i]);
4758         free(real_args);
4759 }
4760
4761 void
4762 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4763 {
4764         union arg               a;
4765         char                    **real_args;
4766         int                     i, spawn_argc;
4767
4768         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4769                 return;
4770         a.argv = real_args;
4771
4772         if (pipe(select_list_pipe) == -1)
4773                 err(1, "pipe error");
4774         if (pipe(select_resp_pipe) == -1)
4775                 err(1, "pipe error");
4776
4777         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4778                 err(1, "could not disable SIGPIPE");
4779         switch (*pid = fork()) {
4780         case -1:
4781                 err(1, "cannot fork");
4782                 break;
4783         case 0: /* child */
4784                 if (dup2(select_list_pipe[0], 0) == -1)
4785                         err(1, "dup2");
4786                 if (dup2(select_resp_pipe[1], 1) == -1)
4787                         err(1, "dup2");
4788                 close(select_list_pipe[1]);
4789                 close(select_resp_pipe[0]);
4790                 spawn(r->ws->idx, &a, 0);
4791                 break;
4792         default: /* parent */
4793                 close(select_list_pipe[0]);
4794                 close(select_resp_pipe[1]);
4795                 break;
4796         }
4797
4798         for (i = 0; i < spawn_argc; i++)
4799                 free(real_args[i]);
4800         free(real_args);
4801 }
4802
4803 void
4804 spawn_insert(char *name, char *args)
4805 {
4806         char                    *arg, *cp, *ptr;
4807         struct spawn_prog       *sp;
4808
4809         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4810
4811         if ((sp = calloc(1, sizeof *sp)) == NULL)
4812                 err(1, "spawn_insert: malloc");
4813         if ((sp->name = strdup(name)) == NULL)
4814                 err(1, "spawn_insert: strdup");
4815
4816         /* convert the arguments to an argument list */
4817         if ((ptr = cp = strdup(args)) == NULL)
4818                 err(1, "spawn_insert: strdup");
4819         while ((arg = strsep(&ptr, " \t")) != NULL) {
4820                 /* empty field; skip it */
4821                 if (*arg == '\0')
4822                         continue;
4823
4824                 sp->argc++;
4825                 if ((sp->argv = realloc(sp->argv, sp->argc *
4826                     sizeof *sp->argv)) == NULL)
4827                         err(1, "spawn_insert: realloc");
4828                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4829                         err(1, "spawn_insert: strdup");
4830         }
4831         free(cp);
4832
4833         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4834         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4835 }
4836
4837 void
4838 spawn_remove(struct spawn_prog *sp)
4839 {
4840         int                     i;
4841
4842         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4843
4844         TAILQ_REMOVE(&spawns, sp, entry);
4845         for (i = 0; i < sp->argc; i++)
4846                 free(sp->argv[i]);
4847         free(sp->argv);
4848         free(sp->name);
4849         free(sp);
4850
4851         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
4852 }
4853
4854 void
4855 spawn_replace(struct spawn_prog *sp, char *name, char *args)
4856 {
4857         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
4858
4859         spawn_remove(sp);
4860         spawn_insert(name, args);
4861
4862         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
4863 }
4864
4865 void
4866 setspawn(char *name, char *args)
4867 {
4868         struct spawn_prog       *sp;
4869
4870         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
4871
4872         if (name == NULL)
4873                 return;
4874
4875         TAILQ_FOREACH(sp, &spawns, entry) {
4876                 if (!strcmp(sp->name, name)) {
4877                         if (*args == '\0')
4878                                 spawn_remove(sp);
4879                         else
4880                                 spawn_replace(sp, name, args);
4881                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4882                         return;
4883                 }
4884         }
4885         if (*args == '\0') {
4886                 warnx("error: setspawn: cannot find program: %s", name);
4887                 return;
4888         }
4889
4890         spawn_insert(name, args);
4891         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4892 }
4893
4894 int
4895 setconfspawn(char *selector, char *value, int flags)
4896 {
4897         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4898
4899         setspawn(selector, value);
4900
4901         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4902         return (0);
4903 }
4904
4905 void
4906 setup_spawn(void)
4907 {
4908         setconfspawn("term",            "xterm",                0);
4909         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4910         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4911         setconfspawn("lock",            "xlock",                0);
4912         setconfspawn("initscr",         "initscreen.sh",        0);
4913         setconfspawn("menu",            "dmenu_run"
4914                                         " -fn $bar_font"
4915                                         " -nb $bar_color"
4916                                         " -nf $bar_font_color"
4917                                         " -sb $bar_border"
4918                                         " -sf $bar_color",      0);
4919         setconfspawn("search",          "dmenu"
4920                                         " -i"
4921                                         " -fn $bar_font"
4922                                         " -nb $bar_color"
4923                                         " -nf $bar_font_color"
4924                                         " -sb $bar_border"
4925                                         " -sf $bar_color",      0);
4926         setconfspawn("name_workspace",  "dmenu"
4927                                         " -p Workspace"
4928                                         " -fn $bar_font"
4929                                         " -nb $bar_color"
4930                                         " -nf $bar_font_color"
4931                                         " -sb $bar_border"
4932                                         " -sf $bar_color",      0);
4933 }
4934
4935 /* key bindings */
4936 #define SWM_MODNAME_SIZE        32
4937 #define SWM_KEY_WS              "\n+ \t"
4938 int
4939 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4940 {
4941         char                    *cp, *name;
4942         KeySym                  uks;
4943         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4944         if (mod == NULL || ks == NULL) {
4945                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4946                 return (1);
4947         }
4948         if (keystr == NULL || strlen(keystr) == 0) {
4949                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4950                 return (1);
4951         }
4952         cp = keystr;
4953         *ks = NoSymbol;
4954         *mod = 0;
4955         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4956                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4957                 if (cp)
4958                         cp += (long)strspn(cp, SWM_KEY_WS);
4959                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4960                         *mod |= currmod;
4961                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4962                         *mod |= Mod1Mask;
4963                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4964                         *mod += Mod2Mask;
4965                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4966                         *mod |= Mod3Mask;
4967                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4968                         *mod |= Mod4Mask;
4969                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4970                         *mod |= ShiftMask;
4971                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4972                         *mod |= ControlMask;
4973                 else {
4974                         *ks = XStringToKeysym(name);
4975                         XConvertCase(*ks, ks, &uks);
4976                         if (ks == NoSymbol) {
4977                                 DNPRINTF(SWM_D_KEY,
4978                                     "parsekeys: invalid key %s\n",
4979                                     name);
4980                                 return (1);
4981                         }
4982                 }
4983         }
4984         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4985         return (0);
4986 }
4987
4988 char *
4989 strdupsafe(char *str)
4990 {
4991         if (str == NULL)
4992                 return (NULL);
4993         else
4994                 return (strdup(str));
4995 }
4996
4997 void
4998 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
4999 {
5000         struct key              *kp;
5001
5002         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5003             keyfuncs[kfid].name, spawn_name);
5004
5005         if ((kp = malloc(sizeof *kp)) == NULL)
5006                 err(1, "key_insert: malloc");
5007
5008         kp->mod = mod;
5009         kp->keysym = ks;
5010         kp->funcid = kfid;
5011         kp->spawn_name = strdupsafe(spawn_name);
5012         RB_INSERT(key_tree, &keys, kp);
5013
5014         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5015 }
5016
5017 struct key *
5018 key_lookup(unsigned int mod, KeySym ks)
5019 {
5020         struct key              kp;
5021
5022         kp.keysym = ks;
5023         kp.mod = mod;
5024
5025         return (RB_FIND(key_tree, &keys, &kp));
5026 }
5027
5028 void
5029 key_remove(struct key *kp)
5030 {
5031         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5032
5033         RB_REMOVE(key_tree, &keys, kp);
5034         free(kp->spawn_name);
5035         free(kp);
5036
5037         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5038 }
5039
5040 void
5041 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5042     char *spawn_name)
5043 {
5044         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5045             spawn_name);
5046
5047         key_remove(kp);
5048         key_insert(mod, ks, kfid, spawn_name);
5049
5050         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5051 }
5052
5053 void
5054 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5055     char *spawn_name)
5056 {
5057         struct key              *kp;
5058
5059         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5060             keyfuncs[kfid].name, spawn_name);
5061
5062         if ((kp = key_lookup(mod, ks)) != NULL) {
5063                 if (kfid == kf_invalid)
5064                         key_remove(kp);
5065                 else
5066                         key_replace(kp, mod, ks, kfid, spawn_name);
5067                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5068                 return;
5069         }
5070         if (kfid == kf_invalid) {
5071                 warnx("error: setkeybinding: cannot find mod/key combination");
5072                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5073                 return;
5074         }
5075
5076         key_insert(mod, ks, kfid, spawn_name);
5077         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5078 }
5079
5080 int
5081 setconfbinding(char *selector, char *value, int flags)
5082 {
5083         enum keyfuncid          kfid;
5084         unsigned int            mod;
5085         KeySym                  ks;
5086         struct spawn_prog       *sp;
5087         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5088         if (selector == NULL) {
5089                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5090                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5091                         kfid = kf_invalid;
5092                         setkeybinding(mod, ks, kfid, NULL);
5093                         return (0);
5094                 } else
5095                         return (1);
5096         }
5097         /* search by key function name */
5098         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5099                 if (strncasecmp(selector, keyfuncs[kfid].name,
5100                     SWM_FUNCNAME_LEN) == 0) {
5101                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5102                             selector);
5103                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5104                                 setkeybinding(mod, ks, kfid, NULL);
5105                                 return (0);
5106                         } else
5107                                 return (1);
5108                 }
5109         }
5110         /* search by custom spawn name */
5111         TAILQ_FOREACH(sp, &spawns, entry) {
5112                 if (strcasecmp(selector, sp->name) == 0) {
5113                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5114                             selector);
5115                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5116                                 setkeybinding(mod, ks, kf_spawn_custom,
5117                                     sp->name);
5118                                 return (0);
5119                         } else
5120                                 return (1);
5121                 }
5122         }
5123         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5124         return (1);
5125 }
5126
5127 void
5128 setup_keys(void)
5129 {
5130         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5131         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5132         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5133         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5134         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5135         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5136         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5137         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5138         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5139         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5140         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5141         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5142         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5143         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5144         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5145         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5146         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5147         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5148         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5149         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5150         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5151         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5152         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5153         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5154         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5155         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5156         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5157         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5158         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5159         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5160         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5161         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5162         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5163         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5164         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5165         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5166         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5167         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5168         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5169         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5170         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5171         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5172         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5173         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5174         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5175         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5176         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5177         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5178         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5179         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5180         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5181         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5182         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5183         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5184         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5185         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5186         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5187         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5188         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5189         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5190         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5191         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5192         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5193         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5194         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5195         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5196         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5197         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5198         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5199         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5200         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5201         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5202         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5203         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5204         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5205         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5206         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5207         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5208         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5209         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5210         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5211         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5212         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5213         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5214         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5215         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5216         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5217         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5218         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5219         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5220         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5221         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5222         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5223         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5224         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5225         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5226 #ifdef SWM_DEBUG
5227         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5228 #endif
5229 }
5230
5231 void
5232 clear_keys(void)
5233 {
5234         struct key              *kp;
5235
5236         while (RB_EMPTY(&keys) == 0) {
5237                 kp = RB_ROOT(&keys);
5238                 key_remove(kp);
5239         }
5240 }
5241
5242 int
5243 setkeymapping(char *selector, char *value, int flags)
5244 {
5245         char                    keymapping_file[PATH_MAX];
5246         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5247         if (value[0] == '~')
5248                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5249                     pwd->pw_dir, &value[1]);
5250         else
5251                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5252         clear_keys();
5253         /* load new key bindings; if it fails, revert to default bindings */
5254         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5255                 clear_keys();
5256                 setup_keys();
5257         }
5258         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5259         return (0);
5260 }
5261
5262 void
5263 updatenumlockmask(void)
5264 {
5265         unsigned int            i, j;
5266         XModifierKeymap         *modmap;
5267
5268         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5269         numlockmask = 0;
5270         modmap = XGetModifierMapping(display);
5271         for (i = 0; i < 8; i++)
5272                 for (j = 0; j < modmap->max_keypermod; j++)
5273                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5274                             == XKeysymToKeycode(display, XK_Num_Lock))
5275                                 numlockmask = (1 << i);
5276
5277         XFreeModifiermap(modmap);
5278 }
5279
5280 void
5281 grabkeys(void)
5282 {
5283         unsigned int            j, k;
5284         KeyCode                 code;
5285         unsigned int            modifiers[] =
5286             { 0, LockMask, numlockmask, numlockmask | LockMask };
5287         struct key              *kp;
5288
5289         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5290         updatenumlockmask();
5291
5292         for (k = 0; k < ScreenCount(display); k++) {
5293                 if (TAILQ_EMPTY(&screens[k].rl))
5294                         continue;
5295                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
5296                 RB_FOREACH(kp, key_tree, &keys) {
5297                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5298                                 for (j = 0; j < LENGTH(modifiers); j++)
5299                                         XGrabKey(display, code,
5300                                             kp->mod | modifiers[j],
5301                                             screens[k].root, True,
5302                                             GrabModeAsync, GrabModeAsync);
5303                 }
5304         }
5305 }
5306
5307 void
5308 grabbuttons(struct ws_win *win, int focused)
5309 {
5310         unsigned int            i, j;
5311         unsigned int            modifiers[] =
5312             { 0, LockMask, numlockmask, numlockmask|LockMask };
5313
5314         updatenumlockmask();
5315         XUngrabButton(display, AnyButton, AnyModifier, win->id);
5316         if (focused) {
5317                 for (i = 0; i < LENGTH(buttons); i++)
5318                         if (buttons[i].action == client_click)
5319                                 for (j = 0; j < LENGTH(modifiers); j++)
5320                                         XGrabButton(display, buttons[i].button,
5321                                             buttons[i].mask | modifiers[j],
5322                                             win->id, False, BUTTONMASK,
5323                                             GrabModeAsync, GrabModeSync, None,
5324                                             None);
5325         } else
5326                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
5327                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
5328 }
5329
5330 const char *quirkname[] = {
5331         "NONE",         /* config string for "no value" */
5332         "FLOAT",
5333         "TRANSSZ",
5334         "ANYWHERE",
5335         "XTERM_FONTADJ",
5336         "FULLSCREEN",
5337         "FOCUSPREV",
5338 };
5339
5340 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5341 #define SWM_Q_WS                "\n|+ \t"
5342 int
5343 parsequirks(char *qstr, unsigned long *quirk)
5344 {
5345         char                    *cp, *name;
5346         int                     i;
5347
5348         if (quirk == NULL)
5349                 return (1);
5350
5351         cp = qstr;
5352         *quirk = 0;
5353         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5354                 if (cp)
5355                         cp += (long)strspn(cp, SWM_Q_WS);
5356                 for (i = 0; i < LENGTH(quirkname); i++) {
5357                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5358                                 DNPRINTF(SWM_D_QUIRK,
5359                                     "parsequirks: %s\n", name);
5360                                 if (i == 0) {
5361                                         *quirk = 0;
5362                                         return (0);
5363                                 }
5364                                 *quirk |= 1 << (i-1);
5365                                 break;
5366                         }
5367                 }
5368                 if (i >= LENGTH(quirkname)) {
5369                         DNPRINTF(SWM_D_QUIRK,
5370                             "parsequirks: invalid quirk [%s]\n", name);
5371                         return (1);
5372                 }
5373         }
5374         return (0);
5375 }
5376
5377 void
5378 quirk_insert(const char *class, const char *name, unsigned long quirk)
5379 {
5380         struct quirk            *qp;
5381
5382         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5383             quirk);
5384
5385         if ((qp = malloc(sizeof *qp)) == NULL)
5386                 err(1, "quirk_insert: malloc");
5387         if ((qp->class = strdup(class)) == NULL)
5388                 err(1, "quirk_insert: strdup");
5389         if ((qp->name = strdup(name)) == NULL)
5390                 err(1, "quirk_insert: strdup");
5391
5392         qp->quirk = quirk;
5393         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5394
5395         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5396 }
5397
5398 void
5399 quirk_remove(struct quirk *qp)
5400 {
5401         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5402             qp->name, qp->quirk);
5403
5404         TAILQ_REMOVE(&quirks, qp, entry);
5405         free(qp->class);
5406         free(qp->name);
5407         free(qp);
5408
5409         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5410 }
5411
5412 void
5413 quirk_replace(struct quirk *qp, const char *class, const char *name,
5414     unsigned long quirk)
5415 {
5416         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5417             qp->name, qp->quirk);
5418
5419         quirk_remove(qp);
5420         quirk_insert(class, name, quirk);
5421
5422         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5423 }
5424
5425 void
5426 setquirk(const char *class, const char *name, unsigned long quirk)
5427 {
5428         struct quirk            *qp;
5429
5430         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5431            quirk);
5432
5433         TAILQ_FOREACH(qp, &quirks, entry) {
5434                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5435                         if (!quirk)
5436                                 quirk_remove(qp);
5437                         else
5438                                 quirk_replace(qp, class, name, quirk);
5439                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5440                         return;
5441                 }
5442         }
5443         if (!quirk) {
5444                 warnx("error: setquirk: cannot find class/name combination");
5445                 return;
5446         }
5447
5448         quirk_insert(class, name, quirk);
5449         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5450 }
5451
5452 int
5453 setconfquirk(char *selector, char *value, int flags)
5454 {
5455         char                    *cp, *class, *name;
5456         int                     retval;
5457         unsigned long           quirks;
5458         if (selector == NULL)
5459                 return (0);
5460         if ((cp = strchr(selector, ':')) == NULL)
5461                 return (0);
5462         *cp = '\0';
5463         class = selector;
5464         name = cp + 1;
5465         if ((retval = parsequirks(value, &quirks)) == 0)
5466                 setquirk(class, name, quirks);
5467         return (retval);
5468 }
5469
5470 void
5471 setup_quirks(void)
5472 {
5473         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5474         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5475         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5476         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5477         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5478         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5479         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5480         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5481         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5482         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5483         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5484         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5485         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5486 }
5487
5488 /* conf file stuff */
5489 #define SWM_CONF_FILE           "spectrwm.conf"
5490 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5491
5492 enum {
5493         SWM_S_BAR_ACTION,
5494         SWM_S_BAR_AT_BOTTOM,
5495         SWM_S_BAR_BORDER_WIDTH,
5496         SWM_S_BAR_DELAY,
5497         SWM_S_BAR_ENABLED,
5498         SWM_S_BAR_FONT,
5499         SWM_S_BAR_FORMAT,
5500         SWM_S_BAR_JUSTIFY,
5501         SWM_S_BORDER_WIDTH,
5502         SWM_S_CLOCK_ENABLED,
5503         SWM_S_CLOCK_FORMAT,
5504         SWM_S_CYCLE_EMPTY,
5505         SWM_S_CYCLE_VISIBLE,
5506         SWM_S_DIALOG_RATIO,
5507         SWM_S_DISABLE_BORDER,
5508         SWM_S_FOCUS_CLOSE,
5509         SWM_S_FOCUS_CLOSE_WRAP,
5510         SWM_S_FOCUS_DEFAULT,
5511         SWM_S_FOCUS_MODE,
5512         SWM_S_SPAWN_ORDER,
5513         SWM_S_SPAWN_TERM,
5514         SWM_S_SS_APP,
5515         SWM_S_SS_ENABLED,
5516         SWM_S_STACK_ENABLED,
5517         SWM_S_TERM_WIDTH,
5518         SWM_S_TITLE_CLASS_ENABLED,
5519         SWM_S_TITLE_NAME_ENABLED,
5520         SWM_S_URGENT_ENABLED,
5521         SWM_S_VERBOSE_LAYOUT,
5522         SWM_S_WINDOW_NAME_ENABLED,
5523         SWM_S_WORKSPACE_LIMIT
5524 };
5525
5526 int
5527 setconfvalue(char *selector, char *value, int flags)
5528 {
5529         int     i;
5530         char    *b;
5531
5532         switch (flags) {
5533         case SWM_S_BAR_ACTION:
5534                 free(bar_argv[0]);
5535                 if ((bar_argv[0] = strdup(value)) == NULL)
5536                         err(1, "setconfvalue: bar_action");
5537                 break;
5538         case SWM_S_BAR_AT_BOTTOM:
5539                 bar_at_bottom = atoi(value);
5540                 break;
5541         case SWM_S_BAR_BORDER_WIDTH:
5542                 bar_border_width = atoi(value);
5543                 if (bar_border_width < 0)
5544                         bar_border_width = 0;
5545                 break;
5546         case SWM_S_BAR_DELAY:
5547                 bar_delay = atoi(value);
5548                 break;
5549         case SWM_S_BAR_ENABLED:
5550                 bar_enabled = atoi(value);
5551                 break;
5552         case SWM_S_BAR_FONT:
5553                 b = bar_fonts;
5554                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5555                         err(1, "setconfvalue: asprintf: failed to allocate "
5556                                 "memory for bar_fonts.");
5557
5558                 free(b);
5559                 break;
5560         case SWM_S_BAR_FORMAT:
5561                 free(bar_format);
5562                 if ((bar_format = strdup(value)) == NULL)
5563                         err(1, "setconfvalue: bar_format");
5564                 break;
5565         case SWM_S_BAR_JUSTIFY:
5566                 if (!strcmp(value, "left"))
5567                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5568                 else if (!strcmp(value, "center"))
5569                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5570                 else if (!strcmp(value, "right"))
5571                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5572                 else
5573                         errx(1, "invalid bar_justify");
5574                 break;
5575         case SWM_S_BORDER_WIDTH:
5576                 border_width = atoi(value);
5577                 if (border_width < 0)
5578                         border_width = 0;
5579                 break;
5580         case SWM_S_CLOCK_ENABLED:
5581                 clock_enabled = atoi(value);
5582                 break;
5583         case SWM_S_CLOCK_FORMAT:
5584 #ifndef SWM_DENY_CLOCK_FORMAT
5585                 free(clock_format);
5586                 if ((clock_format = strdup(value)) == NULL)
5587                         err(1, "setconfvalue: clock_format");
5588 #endif
5589                 break;
5590         case SWM_S_CYCLE_EMPTY:
5591                 cycle_empty = atoi(value);
5592                 break;
5593         case SWM_S_CYCLE_VISIBLE:
5594                 cycle_visible = atoi(value);
5595                 break;
5596         case SWM_S_DIALOG_RATIO:
5597                 dialog_ratio = atof(value);
5598                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5599                         dialog_ratio = .6;
5600                 break;
5601         case SWM_S_DISABLE_BORDER:
5602                 disable_border = atoi(value);
5603                 break;
5604         case SWM_S_FOCUS_CLOSE:
5605                 if (!strcmp(value, "first"))
5606                         focus_close = SWM_STACK_BOTTOM;
5607                 else if (!strcmp(value, "last"))
5608                         focus_close = SWM_STACK_TOP;
5609                 else if (!strcmp(value, "next"))
5610                         focus_close = SWM_STACK_ABOVE;
5611                 else if (!strcmp(value, "previous"))
5612                         focus_close = SWM_STACK_BELOW;
5613                 else
5614                         errx(1, "focus_close");
5615                 break;
5616         case SWM_S_FOCUS_CLOSE_WRAP:
5617                 focus_close_wrap = atoi(value);
5618                 break;
5619         case SWM_S_FOCUS_DEFAULT:
5620                 if (!strcmp(value, "last"))
5621                         focus_default = SWM_STACK_TOP;
5622                 else if (!strcmp(value, "first"))
5623                         focus_default = SWM_STACK_BOTTOM;
5624                 else
5625                         errx(1, "focus_default");
5626                 break;
5627         case SWM_S_FOCUS_MODE:
5628                 if (!strcmp(value, "default"))
5629                         focus_mode = SWM_FOCUS_DEFAULT;
5630                 else if (!strcmp(value, "follow_cursor"))
5631                         focus_mode = SWM_FOCUS_FOLLOW;
5632                 else if (!strcmp(value, "synergy"))
5633                         focus_mode = SWM_FOCUS_SYNERGY;
5634                 else
5635                         errx(1, "focus_mode");
5636                 break;
5637         case SWM_S_SPAWN_ORDER:
5638                 if (!strcmp(value, "first"))
5639                         spawn_position = SWM_STACK_BOTTOM;
5640                 else if (!strcmp(value, "last"))
5641                         spawn_position = SWM_STACK_TOP;
5642                 else if (!strcmp(value, "next"))
5643                         spawn_position = SWM_STACK_ABOVE;
5644                 else if (!strcmp(value, "previous"))
5645                         spawn_position = SWM_STACK_BELOW;
5646                 else
5647                         errx(1, "spawn_position");
5648                 break;
5649         case SWM_S_SPAWN_TERM:
5650                 setconfspawn("term", value, 0);
5651                 break;
5652         case SWM_S_SS_APP:
5653                 break;
5654         case SWM_S_SS_ENABLED:
5655                 ss_enabled = atoi(value);
5656                 break;
5657         case SWM_S_STACK_ENABLED:
5658                 stack_enabled = atoi(value);
5659                 break;
5660         case SWM_S_TERM_WIDTH:
5661                 term_width = atoi(value);
5662                 if (term_width < 0)
5663                         term_width = 0;
5664                 break;
5665         case SWM_S_TITLE_CLASS_ENABLED:
5666                 title_class_enabled = atoi(value);
5667                 break;
5668         case SWM_S_TITLE_NAME_ENABLED:
5669                 title_name_enabled = atoi(value);
5670                 break;
5671         case SWM_S_URGENT_ENABLED:
5672                 urgent_enabled = atoi(value);
5673                 break;
5674         case SWM_S_VERBOSE_LAYOUT:
5675                 verbose_layout = atoi(value);
5676                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5677                         if (verbose_layout)
5678                                 layouts[i].l_string = fancy_stacker;
5679                         else
5680                                 layouts[i].l_string = plain_stacker;
5681                 }
5682                 break;
5683         case SWM_S_WINDOW_NAME_ENABLED:
5684                 window_name_enabled = atoi(value);
5685                 break;
5686         case SWM_S_WORKSPACE_LIMIT:
5687                 workspace_limit = atoi(value);
5688                 if (workspace_limit > SWM_WS_MAX)
5689                         workspace_limit = SWM_WS_MAX;
5690                 else if (workspace_limit < 1)
5691                         workspace_limit = 1;
5692                 break;
5693         default:
5694                 return (1);
5695         }
5696         return (0);
5697 }
5698
5699 int
5700 setconfmodkey(char *selector, char *value, int flags)
5701 {
5702         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5703                 update_modkey(Mod1Mask);
5704         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5705                 update_modkey(Mod2Mask);
5706         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5707                 update_modkey(Mod3Mask);
5708         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5709                 update_modkey(Mod4Mask);
5710         else
5711                 return (1);
5712         return (0);
5713 }
5714
5715 int
5716 setconfcolor(char *selector, char *value, int flags)
5717 {
5718         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5719         return (0);
5720 }
5721
5722 int
5723 setconfregion(char *selector, char *value, int flags)
5724 {
5725         custom_region(value);
5726         return (0);
5727 }
5728
5729 int
5730 setautorun(char *selector, char *value, int flags)
5731 {
5732         int                     ws_id;
5733         char                    s[1024];
5734         char                    *ap, *sp = s;
5735         union arg               a;
5736         int                     argc = 0;
5737         long                    pid;
5738         struct pid_e            *p;
5739
5740         if (getenv("SWM_STARTED"))
5741                 return (0);
5742
5743         bzero(s, sizeof s);
5744         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5745                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5746         ws_id--;
5747         if (ws_id < 0 || ws_id >= workspace_limit)
5748                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5749
5750         /*
5751          * This is a little intricate
5752          *
5753          * If the pid already exists we simply reuse it because it means it was
5754          * used before AND not claimed by manage_window.  We get away with
5755          * altering it in the parent after INSERT because this can not be a race
5756          */
5757         a.argv = NULL;
5758         while ((ap = strsep(&sp, " \t")) != NULL) {
5759                 if (*ap == '\0')
5760                         continue;
5761                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5762                 argc++;
5763                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5764                         err(1, "setautorun: realloc");
5765                 a.argv[argc - 1] = ap;
5766         }
5767
5768         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5769                 err(1, "setautorun: realloc");
5770         a.argv[argc] = NULL;
5771
5772         if ((pid = fork()) == 0) {
5773                 spawn(ws_id, &a, 1);
5774                 /* NOTREACHED */
5775                 _exit(1);
5776         }
5777         free(a.argv);
5778
5779         /* parent */
5780         p = find_pid(pid);
5781         if (p == NULL) {
5782                 p = calloc(1, sizeof *p);
5783                 if (p == NULL)
5784                         return (1);
5785                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5786         }
5787
5788         p->pid = pid;
5789         p->ws = ws_id;
5790
5791         return (0);
5792 }
5793
5794 int
5795 setlayout(char *selector, char *value, int flags)
5796 {
5797         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5798         int                     st = SWM_V_STACK;
5799         char                    s[1024];
5800         struct workspace        *ws;
5801
5802         if (getenv("SWM_STARTED"))
5803                 return (0);
5804
5805         bzero(s, sizeof s);
5806         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5807             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5808                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5809                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5810                     "<type>'");
5811         ws_id--;
5812         if (ws_id < 0 || ws_id >= workspace_limit)
5813                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5814
5815         if (!strcasecmp(s, "vertical"))
5816                 st = SWM_V_STACK;
5817         else if (!strcasecmp(s, "vertical_flip")) {
5818                 st = SWM_V_STACK;
5819                 f = 1;
5820         } else if (!strcasecmp(s, "horizontal"))
5821                 st = SWM_H_STACK;
5822         else if (!strcasecmp(s, "horizontal_flip")) {
5823                 st = SWM_H_STACK;
5824                 f = 1;
5825         } else if (!strcasecmp(s, "fullscreen"))
5826                 st = SWM_MAX_STACK;
5827         else
5828                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5829                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5830                     "<type>'");
5831
5832         for (i = 0; i < ScreenCount(display); i++) {
5833                 ws = (struct workspace *)&screens[i].ws;
5834                 ws[ws_id].cur_layout = &layouts[st];
5835
5836                 ws[ws_id].always_raise = raise;
5837                 if (st == SWM_MAX_STACK)
5838                         continue;
5839
5840                 /* master grow */
5841                 for (x = 0; x < abs(mg); x++) {
5842                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5843                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5844                             SWM_ARG_ID_MASTERSHRINK);
5845                         stack();
5846                 }
5847                 /* master add */
5848                 for (x = 0; x < abs(ma); x++) {
5849                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5850                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5851                             SWM_ARG_ID_MASTERDEL);
5852                         stack();
5853                 }
5854                 /* stack inc */
5855                 for (x = 0; x < abs(si); x++) {
5856                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5857                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5858                             SWM_ARG_ID_STACKDEC);
5859                         stack();
5860                 }
5861                 /* Apply flip */
5862                 if (f) {
5863                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5864                             SWM_ARG_ID_FLIPLAYOUT);
5865                         stack();
5866                 }
5867         }
5868
5869         return (0);
5870 }
5871
5872 /* config options */
5873 struct config_option {
5874         char                    *optname;
5875         int                     (*func)(char*, char*, int);
5876         int                     funcflags;
5877 };
5878 struct config_option configopt[] = {
5879         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5880         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5881         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5882         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5883         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5884         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5885         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5886         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5887         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5888         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5889         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
5890         { "keyboard_mapping",           setkeymapping,  0 },
5891         { "bind",                       setconfbinding, 0 },
5892         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5893         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5894         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5895         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5896         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5897         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5898         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5899         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
5900         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5901         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5902         { "modkey",                     setconfmodkey,  0 },
5903         { "program",                    setconfspawn,   0 },
5904         { "quirk",                      setconfquirk,   0 },
5905         { "region",                     setconfregion,  0 },
5906         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5907         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5908         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5909         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5910         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5911         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5912         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5913         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5914         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5915         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
5916         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
5917         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
5918         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
5919         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5920         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5921         { "autorun",                    setautorun,     0 },
5922         { "layout",                     setlayout,      0 },
5923 };
5924
5925
5926 int
5927 conf_load(char *filename, int keymapping)
5928 {
5929         FILE                    *config;
5930         char                    *line, *cp, *optsub, *optval;
5931         size_t                  linelen, lineno = 0;
5932         int                     wordlen, i, optind;
5933         struct config_option    *opt;
5934
5935         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
5936
5937         if (filename == NULL) {
5938                 warnx("conf_load: no filename");
5939                 return (1);
5940         }
5941         if ((config = fopen(filename, "r")) == NULL) {
5942                 warn("conf_load: fopen: %s", filename);
5943                 return (1);
5944         }
5945
5946         while (!feof(config)) {
5947                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5948                     == NULL) {
5949                         if (ferror(config))
5950                                 err(1, "%s", filename);
5951                         else
5952                                 continue;
5953                 }
5954                 cp = line;
5955                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5956                 if (cp[0] == '\0') {
5957                         /* empty line */
5958                         free(line);
5959                         continue;
5960                 }
5961                 /* get config option */
5962                 wordlen = strcspn(cp, "=[ \t\n");
5963                 if (wordlen == 0) {
5964                         warnx("%s: line %zd: no option found",
5965                             filename, lineno);
5966                         goto out;
5967                 }
5968                 optind = -1;
5969                 for (i = 0; i < LENGTH(configopt); i++) {
5970                         opt = &configopt[i];
5971                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5972                             strlen(opt->optname) == wordlen) {
5973                                 optind = i;
5974                                 break;
5975                         }
5976                 }
5977                 if (optind == -1) {
5978                         warnx("%s: line %zd: unknown option %.*s",
5979                             filename, lineno, wordlen, cp);
5980                         goto out;
5981                 }
5982                 if (keymapping && strcmp(opt->optname, "bind")) {
5983                         warnx("%s: line %zd: invalid option %.*s",
5984                             filename, lineno, wordlen, cp);
5985                         goto out;
5986                 }
5987                 cp += wordlen;
5988                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5989                 /* get [selector] if any */
5990                 optsub = NULL;
5991                 if (*cp == '[') {
5992                         cp++;
5993                         wordlen = strcspn(cp, "]");
5994                         if (*cp != ']') {
5995                                 if (wordlen == 0) {
5996                                         warnx("%s: line %zd: syntax error",
5997                                             filename, lineno);
5998                                         goto out;
5999                                 }
6000
6001                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6002                                     -1) {
6003                                         warnx("%s: line %zd: unable to allocate"
6004                                             "memory for selector", filename,
6005                                             lineno);
6006                                         goto out;
6007                                 }
6008                         }
6009                         cp += wordlen;
6010                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6011                 }
6012                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6013                 /* get RHS value */
6014                 optval = strdup(cp);
6015                 /* call function to deal with it all */
6016                 if (configopt[optind].func(optsub, optval,
6017                     configopt[optind].funcflags) != 0)
6018                         errx(1, "%s: line %zd: invalid data for %s",
6019                             filename, lineno, configopt[optind].optname);
6020                 free(optval);
6021                 free(optsub);
6022                 free(line);
6023         }
6024
6025         fclose(config);
6026         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6027
6028         return (0);
6029
6030 out:
6031         free(line);
6032         fclose(config);
6033         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6034
6035         return (1);
6036 }
6037
6038 void
6039 set_child_transient(struct ws_win *win, Window *trans)
6040 {
6041         struct ws_win           *parent, *w;
6042         XWMHints                *wmh = NULL;
6043         struct swm_region       *r;
6044         struct workspace        *ws;
6045
6046         parent = find_window(win->transient);
6047         if (parent)
6048                 parent->child_trans = win;
6049         else {
6050                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6051                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
6052
6053                 if (win->hints == NULL) {
6054                         warnx("no hints for 0x%lx", win->id);
6055                         return;
6056                 }
6057
6058                 r = root_to_region(win->wa.root);
6059                 ws = r->ws;
6060                 /* parent doen't exist in our window list */
6061                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6062                         if (wmh)
6063                                 XFree(wmh);
6064
6065                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
6066                                 warnx("can't get hints for 0x%lx", w->id);
6067                                 continue;
6068                         }
6069
6070                         if (win->hints->window_group != wmh->window_group)
6071                                 continue;
6072
6073                         w->child_trans = win;
6074                         win->transient = w->id;
6075                         *trans = w->id;
6076                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
6077                             "transient to 0x%lx\n", win->transient);
6078                         break;
6079                 }
6080         }
6081
6082         if (wmh)
6083                 XFree(wmh);
6084 }
6085
6086 long
6087 window_get_pid(Window win)
6088 {
6089         Atom                    actual_type_return;
6090         int                     actual_format_return = 0;
6091         unsigned long           nitems_return = 0;
6092         unsigned long           bytes_after_return = 0;
6093         long                    *pid = NULL;
6094         long                    ret = 0;
6095         const char              *errstr;
6096         unsigned char           *prop = NULL;
6097
6098         if (XGetWindowProperty(display, win,
6099             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
6100             XA_CARDINAL, &actual_type_return, &actual_format_return,
6101             &nitems_return, &bytes_after_return,
6102             (unsigned char**)(void*)&pid) != Success)
6103                 goto tryharder;
6104         if (actual_type_return != XA_CARDINAL)
6105                 goto tryharder;
6106         if (pid == NULL)
6107                 goto tryharder;
6108
6109         ret = *pid;
6110         XFree(pid);
6111
6112         return (ret);
6113
6114 tryharder:
6115         if (XGetWindowProperty(display, win,
6116             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
6117             XA_STRING, &actual_type_return, &actual_format_return,
6118             &nitems_return, &bytes_after_return, &prop) != Success)
6119                 return (0);
6120         if (actual_type_return != XA_STRING)
6121                 return (0);
6122         if (prop == NULL)
6123                 return (0);
6124
6125         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
6126         /* ignore error because strtonum returns 0 anyway */
6127         XFree(prop);
6128
6129         return (ret);
6130 }
6131
6132 struct ws_win *
6133 manage_window(Window id)
6134 {
6135         Window                  trans = 0;
6136         struct workspace        *ws;
6137         struct ws_win           *win, *ww;
6138         int                     format, i, ws_idx, n, border_me = 0;
6139         unsigned long           nitems, bytes;
6140         Atom                    ws_idx_atom = 0, type;
6141         Atom                    *prot = NULL, *pp;
6142         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6143         struct swm_region       *r;
6144         long                    mask = 0;
6145         const char              *errstr;
6146         XWindowChanges          wc;
6147         struct pid_e            *p;
6148         struct quirk            *qp;
6149
6150         if ((win = find_window(id)) != NULL)
6151                 return (win);   /* already being managed */
6152
6153         /* see if we are on the unmanaged list */
6154         if ((win = find_unmanaged_window(id)) != NULL) {
6155                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6156                     "window: 0x%lx\n", win->id);
6157                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6158                 if (win->transient)
6159                         set_child_transient(win, &trans);
6160
6161                 if (trans && (ww = find_window(trans)))
6162                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6163                 else if ((ww = win->ws->focus) &&
6164                     spawn_position == SWM_STACK_ABOVE)
6165                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win, entry);
6166                 else if (ww && spawn_position == SWM_STACK_BELOW)
6167                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win, entry);
6168                 else switch (spawn_position) {
6169                 default:
6170                 case SWM_STACK_TOP:
6171                 case SWM_STACK_ABOVE:
6172                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6173                         break;
6174                 case SWM_STACK_BOTTOM:
6175                 case SWM_STACK_BELOW:
6176                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6177                 }
6178
6179                 ewmh_update_actions(win);
6180                 return (win);
6181         }
6182
6183         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6184                 err(1, "manage_window: calloc: failed to allocate memory for "
6185                     "new window");
6186
6187         win->id = id;
6188
6189         /* see if we need to override the workspace */
6190         p = find_pid(window_get_pid(id));
6191
6192         /* Get all the window data in one shot */
6193         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6194         if (ws_idx_atom) {
6195                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6196                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6197         }
6198         XGetWindowAttributes(display, id, &win->wa);
6199         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6200         win->hints = XGetWMHints(display, id);
6201         XGetTransientForHint(display, id, &trans);
6202         if (trans) {
6203                 win->transient = trans;
6204                 set_child_transient(win, &trans);
6205                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
6206                     "transient: 0x%lx\n", win->id, win->transient);
6207         }
6208
6209         /* get supported protocols */
6210         if (XGetWMProtocols(display, id, &prot, &n)) {
6211                 for (i = 0, pp = prot; i < n; i++, pp++) {
6212                         if (*pp == takefocus)
6213                                 win->take_focus = 1;
6214                         if (*pp == adelete)
6215                                 win->can_delete = 1;
6216                 }
6217                 if (prot)
6218                         XFree(prot);
6219         }
6220
6221         win->iconic = get_iconic(win);
6222
6223         /*
6224          * Figure out where to put the window. If it was previously assigned to
6225          * a workspace (either by spawn() or manually moving), and isn't
6226          * transient, * put it in the same workspace
6227          */
6228         r = root_to_region(win->wa.root);
6229         if (p) {
6230                 ws = &r->s->ws[p->ws];
6231                 TAILQ_REMOVE(&pidlist, p, entry);
6232                 free(p);
6233                 p = NULL;
6234         } else if (prop && win->transient == 0) {
6235                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6236                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6237                     &errstr);
6238                 if (errstr) {
6239                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6240                             errstr, prop);
6241                 }
6242                 ws = &r->s->ws[ws_idx];
6243         } else {
6244                 ws = r->ws;
6245                 /* this should launch transients in the same ws as parent */
6246                 if (id && trans)
6247                         if ((ww = find_window(trans)) != NULL)
6248                                 if (ws->r) {
6249                                         ws = ww->ws;
6250                                         if (ww->ws->r)
6251                                                 r = ww->ws->r;
6252                                         else
6253                                                 warnx("manage_window: fix this "
6254                                                     "bug mcbride");
6255                                         border_me = 1;
6256                                 }
6257         }
6258
6259         /* set up the window layout */
6260         win->id = id;
6261         win->ws = ws;
6262         win->s = r->s;  /* this never changes */
6263         if (trans && (ww = find_window(trans)))
6264                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6265         else if (spawn_position == SWM_STACK_ABOVE && win->ws->focus)
6266                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win, entry);
6267         else
6268                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
6269
6270         WIDTH(win) = win->wa.width;
6271         HEIGHT(win) = win->wa.height;
6272         X(win) = win->wa.x;
6273         Y(win) = win->wa.y;
6274         win->g_floatvalid = 0;
6275         win->floatmaxed = 0;
6276         win->ewmh_flags = 0;
6277
6278         /* Set window properties so we can remember this after reincarnation */
6279         if (ws_idx_atom && prop == NULL &&
6280             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6281                 SWM_PROPLEN) {
6282                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6283                     ws_idx_str);
6284                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6285                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6286         }
6287         if (prop)
6288                 XFree(prop);
6289
6290         ewmh_autoquirk(win);
6291
6292         if (XGetClassHint(display, win->id, &win->ch)) {
6293                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6294                     win->ch.res_class, win->ch.res_name);
6295
6296                 /* java is retarded so treat it special */
6297                 if (strstr(win->ch.res_name, "sun-awt")) {
6298                         win->java = 1;
6299                         border_me = 1;
6300                 }
6301
6302                 TAILQ_FOREACH(qp, &quirks, entry) {
6303                         if (!strcmp(win->ch.res_class, qp->class) &&
6304                             !strcmp(win->ch.res_name, qp->name)) {
6305                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6306                                     "class: %s, name: %s\n", win->ch.res_class,
6307                                     win->ch.res_name);
6308                                 if (qp->quirk & SWM_Q_FLOAT) {
6309                                         win->floating = 1;
6310                                         border_me = 1;
6311                                 }
6312                                 win->quirks = qp->quirk;
6313                         }
6314                 }
6315         }
6316
6317         /* alter window position if quirky */
6318         if (win->quirks & SWM_Q_ANYWHERE) {
6319                 win->manual = 1; /* don't center the quirky windows */
6320                 bzero(&wc, sizeof wc);
6321                 mask = 0;
6322                 if (bar_enabled && Y(win) < bar_height) {
6323                         Y(win) = wc.y = bar_height;
6324                         mask |= CWY;
6325                 }
6326                 if (WIDTH(win) + X(win) > WIDTH(r)) {
6327                         X(win) = wc.x = WIDTH(r) - WIDTH(win) - 2;
6328                         mask |= CWX;
6329                 }
6330                 border_me = 1;
6331         }
6332
6333         /* Reset font sizes (the bruteforce way; no default keybinding). */
6334         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6335                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6336                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6337                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6338                         fake_keypress(win, XK_KP_Add, ShiftMask);
6339         }
6340
6341         ewmh_get_win_state(win);
6342         ewmh_update_actions(win);
6343         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6344
6345         /* border me */
6346         if (border_me) {
6347                 bzero(&wc, sizeof wc);
6348                 wc.border_width = border_width;
6349                 mask |= CWBorderWidth;
6350                 XConfigureWindow(display, win->id, mask, &wc);
6351         }
6352
6353         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
6354             PropertyChangeMask | StructureNotifyMask);
6355
6356         /* floaters need to be mapped if they are in the current workspace */
6357         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6358                 XMapRaised(display, win->id);
6359
6360         return (win);
6361 }
6362
6363 void
6364 free_window(struct ws_win *win)
6365 {
6366         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
6367
6368         if (win == NULL)
6369                 return;
6370
6371         /* needed for restart wm */
6372         set_win_state(win, WithdrawnState);
6373
6374         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6375
6376         if (win->ch.res_class)
6377                 XFree(win->ch.res_class);
6378         if (win->ch.res_name)
6379                 XFree(win->ch.res_name);
6380
6381         kill_refs(win);
6382
6383         /* paint memory */
6384         memset(win, 0xff, sizeof *win); /* XXX kill later */
6385
6386         free(win);
6387 }
6388
6389 void
6390 unmanage_window(struct ws_win *win)
6391 {
6392         struct ws_win           *parent;
6393
6394         if (win == NULL)
6395                 return;
6396
6397         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
6398
6399         if (win->transient) {
6400                 parent = find_window(win->transient);
6401                 if (parent)
6402                         parent->child_trans = NULL;
6403         }
6404
6405         /* focus on root just in case */
6406         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
6407
6408         focus_prev(win);
6409
6410         if (win->hints) {
6411                 XFree(win->hints);
6412                 win->hints = NULL;
6413         }
6414
6415         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6416         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6417 }
6418
6419 void
6420 focus_magic(struct ws_win *win)
6421 {
6422         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6423
6424         if (win == NULL) {
6425                 /* if there are no windows clear the status-bar */
6426                 bar_update();
6427                 return;
6428         }
6429
6430         if (win->child_trans) {
6431                 /* win = parent & has a transient so focus on that */
6432                 if (win->java) {
6433                         focus_win(win->child_trans);
6434                         if (win->child_trans->take_focus)
6435                                 client_msg(win, takefocus);
6436                 } else {
6437                         /* make sure transient hasn't disappeared */
6438                         if (validate_win(win->child_trans) == 0) {
6439                                 focus_win(win->child_trans);
6440                                 if (win->child_trans->take_focus)
6441                                         client_msg(win->child_trans, takefocus);
6442                         } else {
6443                                 win->child_trans = NULL;
6444                                 focus_win(win);
6445                                 if (win->take_focus)
6446                                         client_msg(win, takefocus);
6447                         }
6448                 }
6449         } else {
6450                 /* regular focus */
6451                 focus_win(win);
6452                 if (win->take_focus)
6453                         client_msg(win, takefocus);
6454         }
6455 }
6456
6457 void
6458 expose(XEvent *e)
6459 {
6460         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6461 }
6462
6463 void
6464 keypress(XEvent *e)
6465 {
6466         KeySym                  keysym;
6467         XKeyEvent               *ev = &e->xkey;
6468         struct key              *kp;
6469         struct swm_region       *r;
6470
6471         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6472         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6473                 return;
6474         if (keyfuncs[kp->funcid].func == NULL)
6475                 return;
6476
6477         r = root_to_region(ev->root);
6478         if (kp->funcid == kf_spawn_custom)
6479                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6480         else
6481                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6482 }
6483
6484 void
6485 buttonpress(XEvent *e)
6486 {
6487         struct ws_win           *win;
6488         int                     i, action;
6489         XButtonPressedEvent     *ev = &e->xbutton;
6490
6491         if ((win = find_window(ev->window)) == NULL)
6492                 return;
6493
6494         focus_magic(win);
6495         action = client_click;
6496
6497         for (i = 0; i < LENGTH(buttons); i++)
6498                 if (action == buttons[i].action && buttons[i].func &&
6499                     buttons[i].button == ev->button &&
6500                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6501                         buttons[i].func(win, &buttons[i].args);
6502 }
6503
6504 void
6505 configurerequest(XEvent *e)
6506 {
6507         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6508         struct ws_win           *win;
6509         int                     new = 0;
6510         XWindowChanges          wc;
6511
6512         if ((win = find_window(ev->window)) == NULL)
6513                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6514                         new = 1;
6515
6516         DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%lx, new: %s\n",
6517             ev->window, YESNO(new));
6518
6519         if (new) {
6520                 bzero(&wc, sizeof wc);
6521                 wc.x = ev->x;
6522                 wc.y = ev->y;
6523                 wc.width = ev->width;
6524                 wc.height = ev->height;
6525                 wc.border_width = ev->border_width;
6526                 wc.sibling = ev->above;
6527                 wc.stack_mode = ev->detail;
6528                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6529         } else
6530                 config_win(win, ev);
6531 }
6532
6533 void
6534 configurenotify(XEvent *e)
6535 {
6536         struct ws_win           *win;
6537
6538         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6539             e->xconfigure.window);
6540
6541         win = find_window(e->xconfigure.window);
6542         if (win) {
6543                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6544                 adjust_font(win);
6545                 if (font_adjusted)
6546                         stack();
6547                 if (focus_mode == SWM_FOCUS_DEFAULT)
6548                         drain_enter_notify();
6549         }
6550 }
6551
6552 void
6553 destroynotify(XEvent *e)
6554 {
6555         struct ws_win           *win;
6556         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6557
6558         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6559
6560         if ((win = find_window(ev->window)) == NULL) {
6561                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6562                         return;
6563                 free_window(win);
6564                 return;
6565         }
6566
6567         /* make sure we focus on something */
6568         win->floating = 0;
6569
6570         unmanage_window(win);
6571         stack();
6572         if (focus_mode == SWM_FOCUS_DEFAULT)
6573                 drain_enter_notify();
6574         free_window(win);
6575 }
6576
6577 void
6578 enternotify(XEvent *e)
6579 {
6580         XCrossingEvent          *ev = &e->xcrossing;
6581         XEvent                  cne;
6582         struct ws_win           *win;
6583 #if 0
6584         struct ws_win           *w;
6585         Window                  focus_return;
6586         int                     revert_to_return;
6587 #endif
6588         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6589             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6590             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6591             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6592
6593         if (ev->mode != NotifyNormal) {
6594                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6595                     "cursor grab.\n");
6596                 return;
6597         }
6598
6599         switch (focus_mode) {
6600         case SWM_FOCUS_DEFAULT:
6601                 break;
6602         case SWM_FOCUS_FOLLOW:
6603                 break;
6604         case SWM_FOCUS_SYNERGY:
6605 #if 0
6606         /*
6607          * all these checks need to be in this order because the
6608          * XCheckTypedWindowEvent relies on weeding out the previous events
6609          *
6610          * making this code an option would enable a follow mouse for focus
6611          * feature
6612          */
6613
6614         /*
6615          * state is set when we are switching workspaces and focus is set when
6616          * the window or a subwindow already has focus (occurs during restart).
6617          *
6618          * Only honor the focus flag if last_focus_event is not FocusOut,
6619          * this allows spectrwm to continue to control focus when another
6620          * program is also playing with it.
6621          */
6622         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6623                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6624                 return;
6625         }
6626
6627         /*
6628          * happens when a window is created or destroyed and the border
6629          * crosses the mouse pointer and when switching ws
6630          *
6631          * we need the subwindow test to see if we came from root in order
6632          * to give focus to floaters
6633          */
6634         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6635             ev->subwindow == 0) {
6636                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6637                 return;
6638         }
6639
6640         /* this window already has focus */
6641         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6642                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6643                 return;
6644         }
6645
6646         /* this window is being deleted or moved to another ws */
6647         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6648             &cne) == True) {
6649                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6650                 XPutBackEvent(display, &cne);
6651                 return;
6652         }
6653
6654         if ((win = find_window(ev->window)) == NULL) {
6655                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6656                 return;
6657         }
6658
6659         /*
6660          * In fullstack kill all enters unless they come from a different ws
6661          * (i.e. another region) or focus has been grabbed externally.
6662          */
6663         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6664             last_focus_event != FocusOut) {
6665                 XGetInputFocus(display, &focus_return, &revert_to_return);
6666                 if ((w = find_window(focus_return)) == NULL ||
6667                     w->ws == win->ws) {
6668                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6669                         return;
6670                 }
6671         }
6672 #endif
6673                 break;
6674         }
6675
6676         if ((win = find_window(ev->window)) == NULL) {
6677                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6678                 return;
6679         }
6680
6681         /*
6682          * if we have more enternotifies let them handle it in due time
6683          */
6684         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6685                 DNPRINTF(SWM_D_EVENT,
6686                     "ignoring enternotify: got more enternotify\n");
6687                 XPutBackEvent(display, &cne);
6688                 return;
6689         }
6690
6691         focus_magic(win);
6692 }
6693
6694 /* lets us use one switch statement for arbitrary mode/detail combinations */
6695 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6696
6697 void
6698 focusevent(XEvent *e)
6699 {
6700 #if 0
6701         struct ws_win           *win;
6702         u_int32_t               mode_detail;
6703         XFocusChangeEvent       *ev = &e->xfocus;
6704
6705         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6706             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6707             ev->window, ev->mode, ev->detail);
6708
6709         if (last_focus_event == ev->type) {
6710                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6711                 return;
6712         }
6713
6714         last_focus_event = ev->type;
6715         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6716
6717         switch (mode_detail) {
6718         /* synergy client focus operations */
6719         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6720         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6721
6722         /* synergy server focus operations */
6723         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6724
6725         /* Entering applications like rdesktop that mangle the pointer */
6726         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6727
6728                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6729                         XSetWindowBorder(display, win->id,
6730                             win->ws->r->s->c[ev->type == FocusIn ?
6731                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6732                 break;
6733         default:
6734                 warnx("ignoring focusevent");
6735                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6736                 break;
6737         }
6738 #endif
6739 }
6740
6741 void
6742 mapnotify(XEvent *e)
6743 {
6744         struct ws_win           *win;
6745         XMapEvent               *ev = &e->xmap;
6746
6747         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6748
6749         win = manage_window(ev->window);
6750         if (win)
6751                 set_win_state(win, NormalState);
6752
6753         /*
6754          * focus_win can only set input focus on a mapped window.
6755          * make sure the window really has focus since it is just being mapped.
6756          */
6757         if (win->ws->focus == win)
6758                 focus_win(win);
6759 }
6760
6761 void
6762 mappingnotify(XEvent *e)
6763 {
6764         XMappingEvent           *ev = &e->xmapping;
6765
6766         XRefreshKeyboardMapping(ev);
6767         if (ev->request == MappingKeyboard)
6768                 grabkeys();
6769 }
6770
6771 void
6772 maprequest(XEvent *e)
6773 {
6774         struct ws_win           *win;
6775         struct swm_region       *r;
6776         XWindowAttributes       wa;
6777         XMapRequestEvent        *ev = &e->xmaprequest;
6778
6779         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6780             e->xmaprequest.window);
6781
6782         if (!XGetWindowAttributes(display, ev->window, &wa))
6783                 return;
6784         if (wa.override_redirect)
6785                 return;
6786
6787         win = manage_window(e->xmaprequest.window);
6788         if (win == NULL)
6789                 return; /* can't happen */
6790
6791         stack();
6792
6793         /* make new win focused */
6794         r = root_to_region(win->wa.root);
6795         if (win->ws == r->ws)
6796                 focus_magic(win);
6797 }
6798
6799 void
6800 propertynotify(XEvent *e)
6801 {
6802         struct ws_win           *win;
6803         XPropertyEvent          *ev = &e->xproperty;
6804 #ifdef SWM_DEBUG
6805         char                    *name;
6806         name = XGetAtomName(display, ev->atom);
6807         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6808             ev->window, name);
6809         XFree(name);
6810 #endif
6811
6812         win = find_window(ev->window);
6813         if (win == NULL)
6814                 return;
6815
6816         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6817                 update_iconic(win, 0);
6818                 XMapRaised(display, win->id);
6819                 stack();
6820                 focus_win(win);
6821                 return;
6822         }
6823
6824         switch (ev->atom) {
6825 #if 0
6826         case XA_WM_NORMAL_HINTS:
6827                 long            mask;
6828                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6829                 warnx("normal hints: flag 0x%x", win->sh.flags);
6830                 if (win->sh.flags & PMinSize) {
6831                         WIDTH(win) = win->sh.min_width;
6832                         HEIGHT(win) = win->sh.min_height;
6833                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
6834                 }
6835                 XMoveResizeWindow(display, win->id,
6836                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6837 #endif
6838         case XA_WM_CLASS:
6839         case XA_WM_NAME:
6840                 bar_update();
6841                 break;
6842         default:
6843                 break;
6844         }
6845 }
6846
6847 void
6848 unmapnotify(XEvent *e)
6849 {
6850         struct ws_win           *win;
6851
6852         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
6853
6854         /* determine if we need to help unmanage this window */
6855         win = find_window(e->xunmap.window);
6856         if (win == NULL)
6857                 return;
6858
6859         if (getstate(e->xunmap.window) == NormalState) {
6860                 unmanage_window(win);
6861                 stack();
6862
6863                 /* giant hack for apps that don't destroy transient windows */
6864                 /* eat a bunch of events to prevent remanaging the window */
6865                 XEvent                  cne;
6866                 while (XCheckWindowEvent(display, e->xunmap.window,
6867                     EnterWindowMask, &cne))
6868                         ;
6869                 while (XCheckWindowEvent(display, e->xunmap.window,
6870                     StructureNotifyMask, &cne))
6871                         ;
6872                 while (XCheckWindowEvent(display, e->xunmap.window,
6873                     SubstructureNotifyMask, &cne))
6874                         ;
6875                 /* resend unmap because we ated it */
6876                 XUnmapWindow(display, e->xunmap.window);
6877         }
6878
6879         if (focus_mode == SWM_FOCUS_DEFAULT)
6880                 drain_enter_notify();
6881 }
6882
6883 void
6884 visibilitynotify(XEvent *e)
6885 {
6886         int                     i;
6887         struct swm_region       *r;
6888
6889         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
6890             e->xvisibility.window);
6891         if (e->xvisibility.state == VisibilityUnobscured)
6892                 for (i = 0; i < ScreenCount(display); i++)
6893                         TAILQ_FOREACH(r, &screens[i].rl, entry)
6894                                 if (e->xvisibility.window == r->bar_window)
6895                                         bar_update();
6896 }
6897
6898 void
6899 clientmessage(XEvent *e)
6900 {
6901         XClientMessageEvent *ev;
6902         struct ws_win *win;
6903
6904         ev = &e->xclient;
6905
6906         win = find_window(ev->window);
6907         if (win == NULL)
6908                 return;
6909
6910         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
6911             ev->window, ev->message_type);
6912
6913         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6914                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
6915                 focus_win(win);
6916         }
6917         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6918                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
6919                 if (win->can_delete)
6920                         client_msg(win, adelete);
6921                 else
6922                         XKillClient(display, win->id);
6923         }
6924         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6925                 DNPRINTF(SWM_D_EVENT,
6926                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
6927                 if (win->floating) {
6928                         if (ev->data.l[0] & (1<<8)) /* x */
6929                                 X(win) = ev->data.l[1];
6930                         if (ev->data.l[0] & (1<<9)) /* y */
6931                                 Y(win) = ev->data.l[2];
6932                         if (ev->data.l[0] & (1<<10)) /* width */
6933                                 WIDTH(win) = ev->data.l[3];
6934                         if (ev->data.l[0] & (1<<11)) /* height */
6935                                 HEIGHT(win) = ev->data.l[4];
6936
6937                         update_window(win);
6938                 }
6939                 else {
6940                         /* TODO: Change stack sizes */
6941                         /* notify no change was made. */
6942                         config_win(win, NULL);
6943                 }
6944         }
6945         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
6946                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
6947                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
6948                 if (ev->data.l[2])
6949                         ewmh_update_win_state(win, ev->data.l[2],
6950                             ev->data.l[0]);
6951
6952                 stack();
6953         }
6954 }
6955
6956 int
6957 xerror_start(Display *d, XErrorEvent *ee)
6958 {
6959         other_wm = 1;
6960         return (-1);
6961 }
6962
6963 int
6964 xerror(Display *d, XErrorEvent *ee)
6965 {
6966         /* warnx("error: %p %p", display, ee); */
6967         return (-1);
6968 }
6969
6970 int
6971 active_wm(void)
6972 {
6973         other_wm = 0;
6974         xerrorxlib = XSetErrorHandler(xerror_start);
6975
6976         /* this causes an error if some other window manager is running */
6977         XSelectInput(display, DefaultRootWindow(display),
6978             SubstructureRedirectMask);
6979         XSync(display, False);
6980         if (other_wm)
6981                 return (1);
6982
6983         XSetErrorHandler(xerror);
6984         XSync(display, False);
6985         return (0);
6986 }
6987
6988 void
6989 new_region(struct swm_screen *s, int x, int y, int w, int h)
6990 {
6991         struct swm_region       *r, *n;
6992         struct workspace        *ws = NULL;
6993         int                     i;
6994
6995         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6996              s->idx, w, h, x, y);
6997
6998         /* remove any conflicting regions */
6999         n = TAILQ_FIRST(&s->rl);
7000         while (n) {
7001                 r = n;
7002                 n = TAILQ_NEXT(r, entry);
7003                 if (X(r) < (x + w) &&
7004                     (X(r) + WIDTH(r)) > x &&
7005                     Y(r) < (y + h) &&
7006                     (Y(r) + HEIGHT(r)) > y) {
7007                         if (r->ws->r != NULL)
7008                                 r->ws->old_r = r->ws->r;
7009                         r->ws->r = NULL;
7010                         XDestroyWindow(display, r->bar_window);
7011                         TAILQ_REMOVE(&s->rl, r, entry);
7012                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7013                 }
7014         }
7015
7016         /* search old regions for one to reuse */
7017
7018         /* size + location match */
7019         TAILQ_FOREACH(r, &s->orl, entry)
7020                 if (X(r) == x && Y(r) == y &&
7021                     HEIGHT(r) == h && WIDTH(r) == w)
7022                         break;
7023
7024         /* size match */
7025         TAILQ_FOREACH(r, &s->orl, entry)
7026                 if (HEIGHT(r) == h && WIDTH(r) == w)
7027                         break;
7028
7029         if (r != NULL) {
7030                 TAILQ_REMOVE(&s->orl, r, entry);
7031                 /* try to use old region's workspace */
7032                 if (r->ws->r == NULL)
7033                         ws = r->ws;
7034         } else
7035                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7036                         err(1, "new_region: calloc: failed to allocate memory "
7037                             "for screen");
7038
7039         /* if we don't have a workspace already, find one */
7040         if (ws == NULL) {
7041                 for (i = 0; i < workspace_limit; i++)
7042                         if (s->ws[i].r == NULL) {
7043                                 ws = &s->ws[i];
7044                                 break;
7045                         }
7046         }
7047
7048         if (ws == NULL)
7049                 errx(1, "new_region: no free workspaces");
7050
7051         X(r) = x;
7052         Y(r) = y;
7053         WIDTH(r) = w;
7054         HEIGHT(r) = h;
7055         r->s = s;
7056         r->ws = ws;
7057         r->ws_prior = NULL;
7058         ws->r = r;
7059         outputs++;
7060         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7061 }
7062
7063 void
7064 scan_xrandr(int i)
7065 {
7066 #ifdef SWM_XRR_HAS_CRTC
7067         XRRCrtcInfo             *ci;
7068         XRRScreenResources      *sr;
7069         int                     c;
7070         int                     ncrtc = 0;
7071 #endif /* SWM_XRR_HAS_CRTC */
7072         struct swm_region       *r;
7073
7074
7075         if (i >= ScreenCount(display))
7076                 errx(1, "scan_xrandr: invalid screen");
7077
7078         /* remove any old regions */
7079         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7080                 r->ws->old_r = r->ws->r = NULL;
7081                 XDestroyWindow(display, r->bar_window);
7082                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7083                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7084         }
7085         outputs = 0;
7086
7087         /* map virtual screens onto physical screens */
7088 #ifdef SWM_XRR_HAS_CRTC
7089         if (xrandr_support) {
7090                 sr = XRRGetScreenResources(display, screens[i].root);
7091                 if (sr == NULL)
7092                         new_region(&screens[i], 0, 0,
7093                             DisplayWidth(display, i),
7094                             DisplayHeight(display, i));
7095                 else
7096                         ncrtc = sr->ncrtc;
7097
7098                 for (c = 0, ci = NULL; c < ncrtc; c++) {
7099                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
7100                         if (ci->noutput == 0)
7101                                 continue;
7102
7103                         if (ci != NULL && ci->mode == None)
7104                                 new_region(&screens[i], 0, 0,
7105                                     DisplayWidth(display, i),
7106                                     DisplayHeight(display, i));
7107                         else
7108                                 new_region(&screens[i],
7109                                     ci->x, ci->y, ci->width, ci->height);
7110                 }
7111                 if (ci)
7112                         XRRFreeCrtcInfo(ci);
7113                 XRRFreeScreenResources(sr);
7114         } else
7115 #endif /* SWM_XRR_HAS_CRTC */
7116         {
7117                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
7118                     DisplayHeight(display, i));
7119         }
7120 }
7121
7122 void
7123 screenchange(XEvent *e) {
7124         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7125         struct swm_region               *r;
7126         int                             i;
7127
7128         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7129
7130         if (!XRRUpdateConfiguration(e))
7131                 return;
7132
7133         /* silly event doesn't include the screen index */
7134         for (i = 0; i < ScreenCount(display); i++)
7135                 if (screens[i].root == xe->root)
7136                         break;
7137         if (i >= ScreenCount(display))
7138                 errx(1, "screenchange: screen not found");
7139
7140         /* brute force for now, just re-enumerate the regions */
7141         scan_xrandr(i);
7142
7143         /* add bars to all regions */
7144         for (i = 0; i < ScreenCount(display); i++)
7145                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7146                         bar_setup(r);
7147         stack();
7148         if (focus_mode == SWM_FOCUS_DEFAULT)
7149                 drain_enter_notify();
7150 }
7151
7152 void
7153 grab_windows(void)
7154 {
7155         Window                  d1, d2, *wins = NULL;
7156         XWindowAttributes       wa;
7157         unsigned int            no;
7158         int                     i, j;
7159         long                    state, manage;
7160
7161         for (i = 0; i < ScreenCount(display); i++) {
7162                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
7163                         continue;
7164
7165                 /* attach windows to a region */
7166                 /* normal windows */
7167                 for (j = 0; j < no; j++) {
7168                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7169                             wa.override_redirect ||
7170                             XGetTransientForHint(display, wins[j], &d1))
7171                                 continue;
7172
7173                         state = getstate(wins[j]);
7174                         manage = state == IconicState;
7175                         if (wa.map_state == IsViewable || manage)
7176                                 manage_window(wins[j]);
7177                 }
7178                 /* transient windows */
7179                 for (j = 0; j < no; j++) {
7180                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7181                             wa.override_redirect)
7182                                 continue;
7183
7184                         state = getstate(wins[j]);
7185                         manage = state == IconicState;
7186                         if (XGetTransientForHint(display, wins[j], &d1) &&
7187                             manage)
7188                                 manage_window(wins[j]);
7189                 }
7190                 if (wins) {
7191                         XFree(wins);
7192                         wins = NULL;
7193                 }
7194         }
7195 }
7196
7197 void
7198 setup_screens(void)
7199 {
7200         int                     i, j, k;
7201         int                     errorbase, major, minor;
7202         struct workspace        *ws;
7203         XGCValues               gcv;
7204
7205         if ((screens = calloc(ScreenCount(display),
7206              sizeof(struct swm_screen))) == NULL)
7207                 err(1, "setup_screens: calloc: failed to allocate memory for "
7208                     "screens");
7209
7210         /* initial Xrandr setup */
7211         xrandr_support = XRRQueryExtension(display,
7212             &xrandr_eventbase, &errorbase);
7213         if (xrandr_support)
7214                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
7215                         xrandr_support = 0;
7216
7217         /* map physical screens */
7218         for (i = 0; i < ScreenCount(display); i++) {
7219                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7220                 screens[i].idx = i;
7221                 TAILQ_INIT(&screens[i].rl);
7222                 TAILQ_INIT(&screens[i].orl);
7223                 screens[i].root = RootWindow(display, i);
7224
7225                 /* set default colors */
7226                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7227                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7228                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7229                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7230                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7231
7232                 /* create graphics context on screen with default font color */
7233                 screens[i].bar_gc = XCreateGC(display, screens[i].root, 0,
7234                     &gcv);
7235
7236                 XSetForeground(display, screens[i].bar_gc,
7237                     screens[i].c[SWM_S_COLOR_BAR_FONT].color);
7238
7239                 /* set default cursor */
7240                 XDefineCursor(display, screens[i].root,
7241                     XCreateFontCursor(display, XC_left_ptr));
7242
7243                 /* init all workspaces */
7244                 /* XXX these should be dynamically allocated too */
7245                 for (j = 0; j < SWM_WS_MAX; j++) {
7246                         ws = &screens[i].ws[j];
7247                         ws->idx = j;
7248                         ws->name = NULL;
7249                         ws->focus = NULL;
7250                         ws->r = NULL;
7251                         ws->old_r = NULL;
7252                         TAILQ_INIT(&ws->winlist);
7253                         TAILQ_INIT(&ws->unmanagedlist);
7254
7255                         for (k = 0; layouts[k].l_stack != NULL; k++)
7256                                 if (layouts[k].l_config != NULL)
7257                                         layouts[k].l_config(ws,
7258                                             SWM_ARG_ID_STACKINIT);
7259                         ws->cur_layout = &layouts[0];
7260                         ws->cur_layout->l_string(ws);
7261                 }
7262
7263                 scan_xrandr(i);
7264
7265                 if (xrandr_support)
7266                         XRRSelectInput(display, screens[i].root,
7267                             RRScreenChangeNotifyMask);
7268         }
7269 }
7270
7271 void
7272 setup_globals(void)
7273 {
7274         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7275                 err(1, "setup_globals: strdup: failed to allocate memory.");
7276
7277         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7278                 err(1, "setup_globals: strdup: failed to allocate memory.");
7279 }
7280
7281 void
7282 workaround(void)
7283 {
7284         int                     i;
7285         Atom                    netwmcheck, netwmname, utf8_string;
7286         Window                  root, win;
7287
7288         /* work around sun jdk bugs, code from wmname */
7289         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
7290         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7291         utf8_string = XInternAtom(display, "UTF8_STRING", False);
7292         for (i = 0; i < ScreenCount(display); i++) {
7293                 root = screens[i].root;
7294                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
7295                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
7296                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
7297
7298                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
7299                     PropModeReplace, (unsigned char *)&win, 1);
7300                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
7301                     PropModeReplace, (unsigned char *)&win, 1);
7302                 XChangeProperty(display, win, netwmname, utf8_string, 8,
7303                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
7304         }
7305 }
7306
7307 int
7308 main(int argc, char *argv[])
7309 {
7310         struct swm_region       *r, *rr;
7311         struct ws_win           *winfocus = NULL;
7312         struct timeval          tv;
7313         union arg               a;
7314         char                    conf[PATH_MAX], *cfile = NULL;
7315         struct stat             sb;
7316         XEvent                  e;
7317         int                     xfd, i;
7318         fd_set                  rd;
7319         struct sigaction        sact;
7320
7321         start_argv = argv;
7322         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7323         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7324             !XSupportsLocale())
7325                 warnx("no locale support");
7326
7327         if (!X_HAVE_UTF8_STRING)
7328                 warnx("no UTF-8 support");
7329
7330         if (!(display = XOpenDisplay(0)))
7331                 errx(1, "can not open display");
7332
7333         if (active_wm())
7334                 errx(1, "other wm running");
7335
7336         /* handle some signals */
7337         bzero(&sact, sizeof(sact));
7338         sigemptyset(&sact.sa_mask);
7339         sact.sa_flags = 0;
7340         sact.sa_handler = sighdlr;
7341         sigaction(SIGINT, &sact, NULL);
7342         sigaction(SIGQUIT, &sact, NULL);
7343         sigaction(SIGTERM, &sact, NULL);
7344         sigaction(SIGHUP, &sact, NULL);
7345
7346         sact.sa_handler = sighdlr;
7347         sact.sa_flags = SA_NOCLDSTOP;
7348         sigaction(SIGCHLD, &sact, NULL);
7349
7350         astate = XInternAtom(display, "WM_STATE", False);
7351         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
7352         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
7353         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
7354         a_wmname = XInternAtom(display, "WM_NAME", False);
7355         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7356         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
7357         a_string = XInternAtom(display, "STRING", False);
7358         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
7359
7360         /* look for local and global conf file */
7361         pwd = getpwuid(getuid());
7362         if (pwd == NULL)
7363                 errx(1, "invalid user: %d", getuid());
7364
7365         setup_globals();
7366         setup_screens();
7367         setup_keys();
7368         setup_quirks();
7369         setup_spawn();
7370
7371         /* load config */
7372         for (i = 0; ; i++) {
7373                 conf[0] = '\0';
7374                 switch (i) {
7375                 case 0:
7376                         /* ~ */
7377                         snprintf(conf, sizeof conf, "%s/.%s",
7378                             pwd->pw_dir, SWM_CONF_FILE);
7379                         break;
7380                 case 1:
7381                         /* global */
7382                         snprintf(conf, sizeof conf, "/etc/%s",
7383                             SWM_CONF_FILE);
7384                         break;
7385                 case 2:
7386                         /* ~ compat */
7387                         snprintf(conf, sizeof conf, "%s/.%s",
7388                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7389                         break;
7390                 case 3:
7391                         /* global compat */
7392                         snprintf(conf, sizeof conf, "/etc/%s",
7393                             SWM_CONF_FILE_OLD);
7394                         break;
7395                 default:
7396                         goto noconfig;
7397                 }
7398
7399                 if (strlen(conf) && stat(conf, &sb) != -1)
7400                         if (S_ISREG(sb.st_mode)) {
7401                                 cfile = conf;
7402                                 break;
7403                         }
7404         }
7405 noconfig:
7406
7407         /* load conf (if any) and refresh font color in bar graphics contexts */
7408         if (cfile && conf_load(cfile, SWM_CONF_DEFAULT) == 0)
7409                 for (i = 0; i < ScreenCount(display); ++i)
7410                         XSetForeground(display, screens[i].bar_gc,
7411                             screens[i].c[SWM_S_COLOR_BAR_FONT].color);
7412
7413         setup_ewmh();
7414         /* set some values to work around bad programs */
7415         workaround();
7416         /* grab existing windows (before we build the bars) */
7417         grab_windows();
7418
7419         if (getenv("SWM_STARTED") == NULL)
7420                 setenv("SWM_STARTED", "YES", 1);
7421
7422         /* setup all bars */
7423         for (i = 0; i < ScreenCount(display); i++)
7424                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7425                         if (winfocus == NULL)
7426                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7427                         bar_setup(r);
7428                 }
7429
7430         unfocus_all();
7431
7432         grabkeys();
7433         stack();
7434         if (focus_mode == SWM_FOCUS_DEFAULT)
7435                 drain_enter_notify();
7436
7437         xfd = ConnectionNumber(display);
7438         while (running) {
7439                 while (XPending(display)) {
7440                         XNextEvent(display, &e);
7441                         if (running == 0)
7442                                 goto done;
7443                         if (e.type < LASTEvent) {
7444                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7445                                     "window: 0x%lx, type: %s (%d), %d remaining"
7446                                     "\n", YESNO(handler[e.type]),
7447                                     e.xany.window, geteventname(&e),
7448                                     e.type, QLength(display));
7449
7450                                 if (handler[e.type])
7451                                         handler[e.type](&e);
7452                         } else {
7453                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7454                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7455                                     xrandr_geteventname(&e), e.type);
7456
7457                                 switch (e.type - xrandr_eventbase) {
7458                                 case RRScreenChangeNotify:
7459                                         screenchange(&e);
7460                                         break;
7461                                 default:
7462                                         break;
7463                                 }
7464                         }
7465                 }
7466
7467                 /* if we are being restarted go focus on first window */
7468                 if (winfocus) {
7469                         rr = winfocus->ws->r;
7470                         if (rr == NULL) {
7471                                 /* not a visible window */
7472                                 winfocus = NULL;
7473                                 continue;
7474                         }
7475                         /* move pointer to first screen if multi screen */
7476                         if (ScreenCount(display) > 1 || outputs > 1)
7477                                 XWarpPointer(display, None, rr->s[0].root,
7478                                     0, 0, 0, 0, X(rr),
7479                                     Y(rr) + (bar_enabled ? bar_height : 0));
7480
7481                         a.id = SWM_ARG_ID_FOCUSCUR;
7482                         focus(rr, &a);
7483                         winfocus = NULL;
7484                         continue;
7485                 }
7486
7487                 FD_ZERO(&rd);
7488                 FD_SET(xfd, &rd);
7489                 tv.tv_sec = 1;
7490                 tv.tv_usec = 0;
7491                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7492                         if (errno != EINTR)
7493                                 DNPRINTF(SWM_D_MISC, "select failed");
7494                 if (restart_wm == 1)
7495                         restart(NULL, NULL);
7496                 if (search_resp == 1)
7497                         search_do_resp();
7498                 if (running == 0)
7499                         goto done;
7500                 if (bar_alarm) {
7501                         bar_alarm = 0;
7502                         bar_update();
7503                 }
7504         }
7505 done:
7506         teardown_ewmh();
7507         bar_extra_stop();
7508
7509         for (i = 0; i < ScreenCount(display); ++i)
7510                 if (screens[i].bar_gc != NULL)
7511                         XFreeGC(display, screens[i].bar_gc);
7512
7513         XFreeFontSet(display, bar_fs);
7514         XCloseDisplay(display);
7515
7516         return (0);
7517 }