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