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