spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <paths.h>
  70 #include <ctype.h>
  71
  72 #include <sys/types.h>
  73 #include <sys/time.h>
  74 #include <sys/stat.h>
  75 #include <sys/wait.h>
  76 #include <sys/queue.h>
  77 #include <sys/param.h>
  78 #include <sys/select.h>
  79 #if defined(__linux__)
  80 #include "tree.h"
  81 #elif defined(__OpenBSD__)
  82 #include <sys/tree.h>
  83 #elif defined(__FreeBSD__)
  84 #include <sys/tree.h>
  85 #else
  86 #include "tree.h"
  87 #endif
  88
  89 #include <X11/cursorfont.h>
  90 #include <X11/keysym.h>
  91 #include <X11/XKBlib.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/Xlib-xcb.h>
  94 #include <xcb/randr.h>
  95 #include <xcb/xcb_icccm.h>
  96 #include <X11/Xproto.h>
  97 #include <X11/Xutil.h>
  98 #include <X11/extensions/Xrandr.h>
  99 #include <X11/extensions/XTest.h>
 100
 101 #ifdef __OSX__
 102 #include <osx.h>
 103 #endif
 104
 105 #include "version.h"
 106
 107 #ifdef SPECTRWM_BUILDSTR
 108 static const char       *buildstr = SPECTRWM_BUILDSTR;
 109 #else
 110 static const char       *buildstr = SPECTRWM_VERSION;
 111 #endif
 112
 113 #if RANDR_MAJOR < 1
 114 #  error XRandR versions less than 1.0 are not supported
 115 #endif
 116
 117 #if RANDR_MAJOR >= 1
 118 #if RANDR_MINOR >= 2
 119 #define SWM_XRR_HAS_CRTC
 120 #endif
 121 #endif
 122
 123 /*#define SWM_DEBUG*/
 124 #ifdef SWM_DEBUG
 125 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 126 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 127 #define SWM_D_MISC              0x0001
 128 #define SWM_D_EVENT             0x0002
 129 #define SWM_D_WS                0x0004
 130 #define SWM_D_FOCUS             0x0008
 131 #define SWM_D_MOVE              0x0010
 132 #define SWM_D_STACK             0x0020
 133 #define SWM_D_MOUSE             0x0040
 134 #define SWM_D_PROP              0x0080
 135 #define SWM_D_CLASS             0x0100
 136 #define SWM_D_KEY               0x0200
 137 #define SWM_D_QUIRK             0x0400
 138 #define SWM_D_SPAWN             0x0800
 139 #define SWM_D_EVENTQ            0x1000
 140 #define SWM_D_CONF              0x2000
 141 #define SWM_D_BAR               0x4000
 142
 143 u_int32_t               swm_debug = 0
 144                             | SWM_D_MISC
 145                             | SWM_D_EVENT
 146                             | SWM_D_WS
 147                             | SWM_D_FOCUS
 148                             | SWM_D_MOVE
 149                             | SWM_D_STACK
 150                             | SWM_D_MOUSE
 151                             | SWM_D_PROP
 152                             | SWM_D_CLASS
 153                             | SWM_D_KEY
 154                             | SWM_D_QUIRK
 155                             | SWM_D_SPAWN
 156                             | SWM_D_EVENTQ
 157                             | SWM_D_CONF
 158                             | SWM_D_BAR
 159                             ;
 160 #else
 161 #define DPRINTF(x...)
 162 #define DNPRINTF(n,x...)
 163 #endif
 164
 165 #define LENGTH(x)               (sizeof x / sizeof x[0])
 166 #define MODKEY                  Mod1Mask
 167 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 168 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 169 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 170 #define SWM_PROPLEN             (16)
 171 #define SWM_FUNCNAME_LEN        (32)
 172 #define SWM_KEYS_LEN            (255)
 173 #define SWM_QUIRK_LEN           (64)
 174 #define X(r)                    (r)->g.x
 175 #define Y(r)                    (r)->g.y
 176 #define WIDTH(r)                (r)->g.w
 177 #define HEIGHT(r)               (r)->g.h
 178 #define BORDER(w)               (w->bordered ? border_width : 0)
 179 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 180 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 181 #define SH_MIN(w)               (w)->sh_mask & PMinSize
 182 #define SH_MIN_W(w)             (w)->sh.min_width
 183 #define SH_MIN_H(w)             (w)->sh.min_height
 184 #define SH_MAX(w)               (w)->sh_mask & PMaxSize
 185 #define SH_MAX_W(w)             (w)->sh.max_width
 186 #define SH_MAX_H(w)             (w)->sh.max_height
 187 #define SH_INC(w)               (w)->sh_mask & PResizeInc
 188 #define SH_INC_W(w)             (w)->sh.width_inc
 189 #define SH_INC_H(w)             (w)->sh.height_inc
 190 #define SWM_MAX_FONT_STEPS      (3)
 191 #define WINID(w)                ((w) ? (w)->id : 0)
 192 #define YESNO(x)                ((x) ? "yes" : "no")
 193
 194 #define SWM_FOCUS_DEFAULT       (0)
 195 #define SWM_FOCUS_SYNERGY       (1)
 196 #define SWM_FOCUS_FOLLOW        (2)
 197
 198 #define SWM_CONF_DEFAULT        (0)
 199 #define SWM_CONF_KEYMAPPING     (1)
 200
 201 #ifndef SWM_LIB
 202 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 203 #endif
 204
 205 char                    **start_argv;
 206 xcb_atom_t              astate;
 207 xcb_atom_t              aprot;
 208 xcb_atom_t              adelete;
 209 xcb_atom_t              takefocus;
 210 xcb_atom_t              a_wmname;
 211 xcb_atom_t              a_netwmname;
 212 xcb_atom_t              a_utf8_string;
 213 xcb_atom_t              a_string;
 214 xcb_atom_t              a_swm_iconic;
 215 volatile sig_atomic_t   running = 1;
 216 volatile sig_atomic_t   restart_wm = 0;
 217 int                     outputs = 0;
 218 int                     last_focus_event = FocusOut;
 219 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 220 int                     other_wm;
 221 int                     ss_enabled = 0;
 222 int                     xrandr_support;
 223 int                     xrandr_eventbase;
 224 unsigned int            numlockmask = 0;
 225 Display                 *display;
 226 xcb_connection_t        *conn;
 227
 228 int                     cycle_empty = 0;
 229 int                     cycle_visible = 0;
 230 int                     term_width = 0;
 231 int                     font_adjusted = 0;
 232 unsigned int            mod_key = MODKEY;
 233
 234 /* dmenu search */
 235 struct swm_region       *search_r;
 236 int                     select_list_pipe[2];
 237 int                     select_resp_pipe[2];
 238 pid_t                   searchpid;
 239 volatile sig_atomic_t   search_resp;
 240 int                     search_resp_action;
 241
 242 struct search_window {
 243         TAILQ_ENTRY(search_window)      entry;
 244         int                             idx;
 245         struct ws_win                   *win;
 246         GC                              gc;
 247         xcb_window_t                    indicator;
 248 };
 249 TAILQ_HEAD(search_winlist, search_window);
 250 struct search_winlist                   search_wl;
 251
 252 /* search actions */
 253 enum {
 254         SWM_SEARCH_NONE,
 255         SWM_SEARCH_UNICONIFY,
 256         SWM_SEARCH_NAME_WORKSPACE,
 257         SWM_SEARCH_SEARCH_WORKSPACE,
 258         SWM_SEARCH_SEARCH_WINDOW
 259 };
 260
 261 #define SWM_STACK_TOP           (0)
 262 #define SWM_STACK_BOTTOM        (1)
 263 #define SWM_STACK_ABOVE         (2)
 264 #define SWM_STACK_BELOW         (3)
 265
 266 /* dialog windows */
 267 double                  dialog_ratio = 0.6;
 268 /* status bar */
 269 #define SWM_BAR_MAX             (256)
 270 #define SWM_BAR_JUSTIFY_LEFT    (0)
 271 #define SWM_BAR_JUSTIFY_CENTER  (1)
 272 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 273 #define SWM_BAR_OFFSET          (4)
 274 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 275                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 276                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 277                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 278                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 279
 280 #ifdef X_HAVE_UTF8_STRING
 281 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 282 #else
 283 #define DRAWSTRING(x...)        XmbDrawString(x)
 284 #endif
 285
 286 char                    *bar_argv[] = { NULL, NULL };
 287 int                     bar_pipe[2];
 288 unsigned char           bar_ext[SWM_BAR_MAX];
 289 char                    bar_vertext[SWM_BAR_MAX];
 290 int                     bar_version = 0;
 291 sig_atomic_t            bar_alarm = 0;
 292 int                     bar_delay = 30;
 293 int                     bar_enabled = 1;
 294 int                     bar_border_width = 1;
 295 int                     bar_at_bottom = 0;
 296 int                     bar_extra = 1;
 297 int                     bar_extra_running = 0;
 298 int                     bar_verbose = 1;
 299 int                     bar_height = 0;
 300 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 301 char                    *bar_format = NULL;
 302 int                     stack_enabled = 1;
 303 int                     clock_enabled = 1;
 304 int                     urgent_enabled = 0;
 305 char                    *clock_format = NULL;
 306 int                     title_name_enabled = 0;
 307 int                     title_class_enabled = 0;
 308 int                     window_name_enabled = 0;
 309 int                     focus_mode = SWM_FOCUS_DEFAULT;
 310 int                     focus_close = SWM_STACK_BELOW;
 311 int                     focus_close_wrap = 1;
 312 int                     focus_default = SWM_STACK_TOP;
 313 int                     spawn_position = SWM_STACK_TOP;
 314 int                     disable_border = 0;
 315 int                     border_width = 1;
 316 int                     verbose_layout = 0;
 317 pid_t                   bar_pid;
 318 XFontSet                bar_fs;
 319 XFontSetExtents         *bar_fs_extents;
 320 char                    *bar_fonts;
 321 struct passwd           *pwd;
 322
 323 #define SWM_MENU_FN     (2)
 324 #define SWM_MENU_NB     (4)
 325 #define SWM_MENU_NF     (6)
 326 #define SWM_MENU_SB     (8)
 327 #define SWM_MENU_SF     (10)
 328
 329 /* layout manager data */
 330 struct swm_geometry {
 331         int                     x;
 332         int                     y;
 333         int                     w;
 334         int                     h;
 335 };
 336
 337 struct swm_screen;
 338 struct workspace;
 339
 340 struct swm_bar {
 341         xcb_window_t            id;
 342         xcb_pixmap_t            buffer;
 343         struct swm_geometry     g;
 344 };
 345
 346 /* virtual "screens" */
 347 struct swm_region {
 348         TAILQ_ENTRY(swm_region) entry;
 349         struct swm_geometry     g;
 350         struct workspace        *ws;    /* current workspace on this region */
 351         struct workspace        *ws_prior; /* prior workspace on this region */
 352         struct swm_screen       *s;     /* screen idx */
 353         struct swm_bar          *bar;
 354 };
 355 TAILQ_HEAD(swm_region_list, swm_region);
 356
 357 struct ws_win {
 358         TAILQ_ENTRY(ws_win)     entry;
 359         xcb_window_t            id;
 360         xcb_window_t            transient;
 361         struct ws_win           *child_trans;   /* transient child window */
 362         struct swm_geometry     g;              /* current geometry */
 363         struct swm_geometry     g_float;        /* region coordinates */
 364         int                     g_floatvalid;   /* g_float geometry validity */
 365         int                     floatmaxed;     /* whether maxed by max_stack */
 366         int                     floating;
 367         int                     manual;
 368         int                     iconic;
 369         int                     bordered;
 370         unsigned int            ewmh_flags;
 371         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 372         int                     font_steps;
 373         int                     last_inc;
 374         int                     can_delete;
 375         int                     take_focus;
 376         int                     java;
 377         unsigned long           quirks;
 378         struct workspace        *ws;    /* always valid */
 379         struct swm_screen       *s;     /* always valid, never changes */
 380         XWindowAttributes       wa;
 381         XSizeHints              sh;
 382         long                    sh_mask;
 383         XClassHint              ch;
 384         XWMHints                *hints;
 385 };
 386 TAILQ_HEAD(ws_win_list, ws_win);
 387
 388 /* pid goo */
 389 struct pid_e {
 390         TAILQ_ENTRY(pid_e)      entry;
 391         long                    pid;
 392         int                     ws;
 393 };
 394 TAILQ_HEAD(pid_list, pid_e);
 395 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 396
 397 /* layout handlers */
 398 void    stack(void);
 399 void    vertical_config(struct workspace *, int);
 400 void    vertical_stack(struct workspace *, struct swm_geometry *);
 401 void    horizontal_config(struct workspace *, int);
 402 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 403 void    max_stack(struct workspace *, struct swm_geometry *);
 404 void    plain_stacker(struct workspace *);
 405 void    fancy_stacker(struct workspace *);
 406
 407 struct ws_win *find_window(xcb_window_t);
 408
 409 void            grabbuttons(struct ws_win *, int);
 410 void            new_region(struct swm_screen *, int, int, int, int);
 411 void            unmanage_window(struct ws_win *);
 412 uint16_t        getstate(xcb_window_t);
 413
 414 int             conf_load(char *, int);
 415
 416 struct layout {
 417         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 418         void            (*l_config)(struct workspace *, int);
 419         u_int32_t       flags;
 420 #define SWM_L_FOCUSPREV         (1<<0)
 421 #define SWM_L_MAPONFOCUS        (1<<1)
 422         void            (*l_string)(struct workspace *);
 423 } layouts[] =  {
 424         /* stack,               configure */
 425         { vertical_stack,       vertical_config,        0,      plain_stacker },
 426         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 427         { max_stack,            NULL,
 428           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 429         { NULL,                 NULL,                   0,      NULL  },
 430 };
 431
 432 /* position of max_stack mode in the layouts array, index into layouts! */
 433 #define SWM_V_STACK             (0)
 434 #define SWM_H_STACK             (1)
 435 #define SWM_MAX_STACK           (2)
 436
 437 #define SWM_H_SLICE             (32)
 438 #define SWM_V_SLICE             (32)
 439
 440 /* define work spaces */
 441 struct workspace {
 442         int                     idx;            /* workspace index */
 443         char                    *name;          /* workspace name */
 444         int                     always_raise;   /* raise windows on focus */
 445         struct layout           *cur_layout;    /* current layout handlers */
 446         struct ws_win           *focus;         /* may be NULL */
 447         struct ws_win           *focus_prev;    /* may be NULL */
 448         struct swm_region       *r;             /* may be NULL */
 449         struct swm_region       *old_r;         /* may be NULL */
 450         struct ws_win_list      winlist;        /* list of windows in ws */
 451         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 452         char                    stacker[10];    /* display stacker and layout */
 453
 454         /* stacker state */
 455         struct {
 456                                 int horizontal_msize;
 457                                 int horizontal_mwin;
 458                                 int horizontal_stacks;
 459                                 int horizontal_flip;
 460                                 int vertical_msize;
 461                                 int vertical_mwin;
 462                                 int vertical_stacks;
 463                                 int vertical_flip;
 464         } l_state;
 465 };
 466
 467 enum {
 468         SWM_S_COLOR_BAR,
 469         SWM_S_COLOR_BAR_BORDER,
 470         SWM_S_COLOR_BAR_FONT,
 471         SWM_S_COLOR_FOCUS,
 472         SWM_S_COLOR_UNFOCUS,
 473         SWM_S_COLOR_MAX
 474 };
 475
 476 /* physical screen mapping */
 477 #define SWM_WS_MAX              (22)    /* hard limit */
 478 int             workspace_limit = 10;   /* soft limit */
 479
 480 struct swm_screen {
 481         int                     idx;    /* screen index */
 482         struct swm_region_list  rl;     /* list of regions on this screen */
 483         struct swm_region_list  orl;    /* list of old regions */
 484         xcb_window_t            root;
 485         struct workspace        ws[SWM_WS_MAX];
 486
 487         /* colors */
 488         struct {
 489                 unsigned long   color;
 490                 char            *name;
 491         } c[SWM_S_COLOR_MAX];
 492
 493         GC                      bar_gc;
 494 };
 495 struct swm_screen       *screens;
 496
 497 /* args to functions */
 498 union arg {
 499         int                     id;
 500 #define SWM_ARG_ID_FOCUSNEXT    (0)
 501 #define SWM_ARG_ID_FOCUSPREV    (1)
 502 #define SWM_ARG_ID_FOCUSMAIN    (2)
 503 #define SWM_ARG_ID_FOCUSCUR     (4)
 504 #define SWM_ARG_ID_SWAPNEXT     (10)
 505 #define SWM_ARG_ID_SWAPPREV     (11)
 506 #define SWM_ARG_ID_SWAPMAIN     (12)
 507 #define SWM_ARG_ID_MOVELAST     (13)
 508 #define SWM_ARG_ID_MASTERSHRINK (20)
 509 #define SWM_ARG_ID_MASTERGROW   (21)
 510 #define SWM_ARG_ID_MASTERADD    (22)
 511 #define SWM_ARG_ID_MASTERDEL    (23)
 512 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 513 #define SWM_ARG_ID_STACKRESET   (30)
 514 #define SWM_ARG_ID_STACKINIT    (31)
 515 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 516 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 517 #define SWM_ARG_ID_CYCLESC_UP   (42)
 518 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 519 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 520 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 521 #define SWM_ARG_ID_STACKINC     (50)
 522 #define SWM_ARG_ID_STACKDEC     (51)
 523 #define SWM_ARG_ID_SS_ALL       (60)
 524 #define SWM_ARG_ID_SS_WINDOW    (61)
 525 #define SWM_ARG_ID_DONTCENTER   (70)
 526 #define SWM_ARG_ID_CENTER       (71)
 527 #define SWM_ARG_ID_KILLWINDOW   (80)
 528 #define SWM_ARG_ID_DELETEWINDOW (81)
 529 #define SWM_ARG_ID_WIDTHGROW    (90)
 530 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 531 #define SWM_ARG_ID_HEIGHTGROW   (92)
 532 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 533 #define SWM_ARG_ID_MOVEUP       (100)
 534 #define SWM_ARG_ID_MOVEDOWN     (101)
 535 #define SWM_ARG_ID_MOVELEFT     (102)
 536 #define SWM_ARG_ID_MOVERIGHT    (103)
 537         char                    **argv;
 538 };
 539
 540 void    focus(struct swm_region *, union arg *);
 541 void    focus_magic(struct ws_win *);
 542
 543 /* quirks */
 544 struct quirk {
 545         TAILQ_ENTRY(quirk)      entry;
 546         char                    *class;
 547         char                    *name;
 548         unsigned long           quirk;
 549 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 550 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 551 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 552 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 553 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 554 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 555 };
 556 TAILQ_HEAD(quirk_list, quirk);
 557 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 558
 559 /*
 560  * Supported EWMH hints should be added to
 561  * both the enum and the ewmh array
 562  */
 563 enum {
 564         _NET_ACTIVE_WINDOW,
 565         _NET_CLOSE_WINDOW,
 566         _NET_MOVERESIZE_WINDOW,
 567         _NET_WM_ACTION_CLOSE,
 568         _NET_WM_ACTION_FULLSCREEN,
 569         _NET_WM_ACTION_MOVE,
 570         _NET_WM_ACTION_RESIZE,
 571         _NET_WM_ALLOWED_ACTIONS,
 572         _NET_WM_STATE,
 573         _NET_WM_STATE_ABOVE,
 574         _NET_WM_STATE_FULLSCREEN,
 575         _NET_WM_STATE_HIDDEN,
 576         _NET_WM_STATE_MAXIMIZED_HORZ,
 577         _NET_WM_STATE_MAXIMIZED_VERT,
 578         _NET_WM_STATE_SKIP_PAGER,
 579         _NET_WM_STATE_SKIP_TASKBAR,
 580         _NET_WM_WINDOW_TYPE,
 581         _NET_WM_WINDOW_TYPE_DIALOG,
 582         _NET_WM_WINDOW_TYPE_DOCK,
 583         _NET_WM_WINDOW_TYPE_NORMAL,
 584         _NET_WM_WINDOW_TYPE_SPLASH,
 585         _NET_WM_WINDOW_TYPE_TOOLBAR,
 586         _NET_WM_WINDOW_TYPE_UTILITY,
 587         _SWM_WM_STATE_MANUAL,
 588         SWM_EWMH_HINT_MAX
 589 };
 590
 591 struct ewmh_hint {
 592         char            *name;
 593         xcb_atom_t      atom;
 594 } ewmh[SWM_EWMH_HINT_MAX] =     {
 595     /* must be in same order as in the enum */
 596     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 597     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 598     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 599     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 600     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 601     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 602     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 603     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 604     {"_NET_WM_STATE", XCB_ATOM_NONE},
 605     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 606     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 607     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 608     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 609     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 610     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 611     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 612     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 613     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 614     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 615     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 616     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 617     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 618     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 619     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 620 };
 621
 622 void             store_float_geom(struct ws_win *, struct swm_region *);
 623 int              floating_toggle_win(struct ws_win *);
 624 void             constrain_window(struct ws_win *, struct swm_region *, int);
 625 void             update_window(struct ws_win *);
 626 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 627 unsigned char   *get_win_name(xcb_window_t);
 628 xcb_atom_t       get_atom_from_string(const char *);
 629 void            map_window_raised(xcb_window_t);
 630
 631 void
 632 map_window_raised(xcb_window_t win)
 633 {
 634         uint32_t        val = XCB_STACK_MODE_ABOVE;
 635
 636         xcb_configure_window(conn, win,
 637                 XCB_CONFIG_WINDOW_STACK_MODE, &val);
 638
 639         xcb_map_window(conn, win);
 640 }
 641
 642 xcb_atom_t
 643 get_atom_from_string(const char *str)
 644 {
 645         xcb_intern_atom_cookie_t        c;
 646         xcb_intern_atom_reply_t         *r;
 647         xcb_atom_t                      atom;
 648
 649         c = xcb_intern_atom(conn, False, strlen(str), str);
 650         r = xcb_intern_atom_reply(conn, c, NULL);
 651         if (r) {
 652                 atom = r->atom;
 653                 free(r);
 654
 655                 return (atom);
 656         }
 657
 658         return (XCB_ATOM_NONE);
 659 }
 660
 661 int
 662 get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
 663     unsigned long *nbytes, unsigned char **data)
 664 {
 665         int                     format, status;
 666         unsigned long           *nbytes_ret, *nitems_ret;
 667         unsigned long           nbytes_tmp, nitems_tmp;
 668         Atom                    real;
 669
 670         nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
 671         nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
 672
 673         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 674             &real, &format, nitems_ret, nbytes_ret, data);
 675
 676         if (status != Success)
 677                 return (False);
 678         if (real != type)
 679                 return (False);
 680
 681         return (True);
 682 }
 683
 684 void
 685 update_iconic(struct ws_win *win, int newv)
 686 {
 687         int32_t                         v = newv;
 688         xcb_atom_t                      iprop;
 689
 690         win->iconic = newv;
 691
 692         iprop = get_atom_from_string("_SWM_ICONIC");
 693         if (iprop == XCB_ATOM_NONE)
 694                 return;
 695
 696         if (newv)
 697                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 698                         iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 699         else
 700                 xcb_delete_property(conn, win->id, iprop);
 701 }
 702
 703 int
 704 get_iconic(struct ws_win *win)
 705 {
 706         int32_t v = 0, *vtmp;
 707         xcb_atom_t                      iprop;
 708         xcb_get_property_cookie_t       pc;
 709         xcb_get_property_reply_t        *pr;
 710
 711         iprop = get_atom_from_string("_SWM_ICONIC");
 712         if (iprop == XCB_ATOM_NONE)
 713                 goto out;
 714
 715         pc = xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 716                         0, 1);
 717         pr = xcb_get_property_reply(conn, pc, NULL);
 718         if (!pr)
 719                 goto out;
 720         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 721                 goto out;
 722         vtmp = xcb_get_property_value(pr);
 723         v = *vtmp;
 724 out:
 725         if (pr != NULL)
 726                 free(pr);
 727         return (v);
 728 }
 729
 730 void
 731 setup_ewmh(void)
 732 {
 733         xcb_atom_t                      sup_list;
 734         int                             i, j, num_screens;
 735
 736         sup_list = get_atom_from_string("_NET_SUPPORTED");
 737
 738         for (i = 0; i < LENGTH(ewmh); i++)
 739                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 740
 741         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 742         for (i = 0; i < num_screens; i++) {
 743                 /* Support check window will be created by workaround(). */
 744
 745                 /* Report supported atoms */
 746                 xcb_delete_property(conn, screens[i].root, sup_list);
 747                 for (j = 0; j < LENGTH(ewmh); j++)
 748                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 749                                 screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 750                                 &ewmh[j].atom);
 751         }
 752 }
 753
 754 void
 755 teardown_ewmh(void)
 756 {
 757         int                             i, num_screens;
 758         xcb_atom_t                      sup_check, sup_list;
 759         xcb_window_t                    id;
 760         xcb_get_property_cookie_t       pc;
 761         xcb_get_property_reply_t        *pr;
 762
 763         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 764         sup_list = get_atom_from_string("_NET_SUPPORTED");
 765         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 766
 767         for (i = 0; i < num_screens; i++) {
 768                 /* Get the support check window and destroy it */
 769                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 770                         XCB_ATOM_WINDOW, 0, 1);
 771                 pr = xcb_get_property_reply(conn, pc, NULL);
 772                 if (pr) {
 773                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 774
 775                         xcb_destroy_window(conn, id);
 776                         xcb_delete_property(conn, screens[i].root, sup_check);
 777                         xcb_delete_property(conn, screens[i].root, sup_list);
 778
 779                         free(pr);
 780                 }
 781         }
 782 }
 783
 784 void
 785 ewmh_autoquirk(struct ws_win *win)
 786 {
 787         int                     i;
 788         unsigned long           n;
 789         xcb_atom_t              type;
 790
 791         xcb_get_property_cookie_t       c;
 792         xcb_get_property_reply_t        *r;
 793
 794         c = xcb_get_property(conn, False, win->id,
 795                 ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, (~0L));
 796         r = xcb_get_property_reply(conn, c, NULL);
 797         if (!r)
 798                 return;
 799         n = xcb_get_property_value_length(r);
 800
 801         for (i = 0; i < n; i++) {
 802                 type = *((xcb_atom_t *)xcb_get_property_value(r));
 803                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 804                         break;
 805                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 806                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 807                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 808                         win->floating = 1;
 809                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 810                         break;
 811                 }
 812                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 813                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 814                         win->floating = 1;
 815                         win->quirks = SWM_Q_FLOAT;
 816                         break;
 817                 }
 818         }
 819         free(r);
 820 }
 821
 822 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 823 #define EWMH_F_FULLSCREEN               (1<<0)
 824 #define EWMH_F_ABOVE                    (1<<1)
 825 #define EWMH_F_HIDDEN                   (1<<2)
 826 #define EWMH_F_SKIP_PAGER               (1<<3)
 827 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 828 #define SWM_F_MANUAL                    (1<<5)
 829
 830 int
 831 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 832 {
 833         if (!win->ws->r)
 834                 return (0);
 835
 836         if (!win->floating)
 837                 return (0);
 838
 839         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 840             "fullscreen %s\n", win->id, YESNO(fs));
 841
 842         if (fs) {
 843                 if (!win->g_floatvalid)
 844                         store_float_geom(win, win->ws->r);
 845
 846                 win->g = win->ws->r->g;
 847                 win->bordered = 0;
 848         } else {
 849                 if (win->g_floatvalid) {
 850                         /* refloat at last floating relative position */
 851                         win->g = win->g_float;
 852                         X(win) += X(win->ws->r);
 853                         Y(win) += Y(win->ws->r);
 854                 }
 855         }
 856
 857         return (1);
 858 }
 859
 860 void
 861 ewmh_update_actions(struct ws_win *win)
 862 {
 863         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 864         int                     n = 0;
 865
 866         if (win == NULL)
 867                 return;
 868
 869         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 870
 871         if (win->floating) {
 872                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 873                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 874         }
 875
 876         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 877                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 878                 actions);
 879 }
 880
 881 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 882 #define _NET_WM_STATE_ADD       1    /* add/set property */
 883 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 884
 885 void
 886 ewmh_update_win_state(struct ws_win *win, long state, long action)
 887 {
 888         unsigned int            mask = 0;
 889         unsigned int            changed = 0;
 890         unsigned int            orig_flags;
 891
 892         if (win == NULL)
 893                 return;
 894
 895         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 896                 mask = EWMH_F_FULLSCREEN;
 897         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 898                 mask = EWMH_F_ABOVE;
 899         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 900                 mask = SWM_F_MANUAL;
 901         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 902                 mask = EWMH_F_SKIP_PAGER;
 903         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 904                 mask = EWMH_F_SKIP_TASKBAR;
 905
 906
 907         orig_flags = win->ewmh_flags;
 908
 909         switch (action) {
 910         case _NET_WM_STATE_REMOVE:
 911                 win->ewmh_flags &= ~mask;
 912                 break;
 913         case _NET_WM_STATE_ADD:
 914                 win->ewmh_flags |= mask;
 915                 break;
 916         case _NET_WM_STATE_TOGGLE:
 917                 win->ewmh_flags ^= mask;
 918                 break;
 919         }
 920
 921         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 922
 923         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 924                 if (changed)
 925                         if (!floating_toggle_win(win))
 926                                 win->ewmh_flags = orig_flags; /* revert */
 927         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 928                 if (changed)
 929                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 930         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 931                 if (changed)
 932                         if (!ewmh_set_win_fullscreen(win,
 933                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 934                                 win->ewmh_flags = orig_flags; /* revert */
 935
 936         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 937
 938         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 939                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 940                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 941                         &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 942         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 943                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 944                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 945                         &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 946         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 947                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 948                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 949                         &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
 950         if (win->ewmh_flags & EWMH_F_ABOVE)
 951                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 952                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 953                         &ewmh[_NET_WM_STATE_ABOVE].atom);
 954         if (win->ewmh_flags & SWM_F_MANUAL)
 955                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 956                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 957                         &ewmh[_SWM_WM_STATE_MANUAL].atom);
 958 }
 959
 960 void
 961 ewmh_get_win_state(struct ws_win *win)
 962 {
 963         xcb_atom_t                      *states;
 964         xcb_get_property_cookie_t       c;
 965         xcb_get_property_reply_t        *r;
 966         int                             i, n;
 967
 968         if (win == NULL)
 969                 return;
 970
 971         win->ewmh_flags = 0;
 972         if (win->floating)
 973                 win->ewmh_flags |= EWMH_F_ABOVE;
 974         if (win->manual)
 975                 win->ewmh_flags |= SWM_F_MANUAL;
 976
 977         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
 978                 XCB_ATOM_ATOM, 0, (~0L));
 979         r = xcb_get_property_reply(conn, c, NULL);
 980         if (!r)
 981                 return;
 982
 983         states = xcb_get_property_value(r);
 984         n = xcb_get_property_value_length(r);
 985
 986         free(r);
 987
 988         for (i = 0; i < n; i++)
 989                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 990 }
 991
 992 /* events */
 993 #ifdef SWM_DEBUG
 994 char *
 995 geteventname(XEvent *e)
 996 {
 997         char                    *name = NULL;
 998
 999         switch (e->type) {
1000         case KeyPress:
1001                 name = "KeyPress";
1002                 break;
1003         case KeyRelease:
1004                 name = "KeyRelease";
1005                 break;
1006         case ButtonPress:
1007                 name = "ButtonPress";
1008                 break;
1009         case ButtonRelease:
1010                 name = "ButtonRelease";
1011                 break;
1012         case MotionNotify:
1013                 name = "MotionNotify";
1014                 break;
1015         case EnterNotify:
1016                 name = "EnterNotify";
1017                 break;
1018         case LeaveNotify:
1019                 name = "LeaveNotify";
1020                 break;
1021         case FocusIn:
1022                 name = "FocusIn";
1023                 break;
1024         case FocusOut:
1025                 name = "FocusOut";
1026                 break;
1027         case KeymapNotify:
1028                 name = "KeymapNotify";
1029                 break;
1030         case Expose:
1031                 name = "Expose";
1032                 break;
1033         case GraphicsExpose:
1034                 name = "GraphicsExpose";
1035                 break;
1036         case NoExpose:
1037                 name = "NoExpose";
1038                 break;
1039         case VisibilityNotify:
1040                 name = "VisibilityNotify";
1041                 break;
1042         case CreateNotify:
1043                 name = "CreateNotify";
1044                 break;
1045         case DestroyNotify:
1046                 name = "DestroyNotify";
1047                 break;
1048         case UnmapNotify:
1049                 name = "UnmapNotify";
1050                 break;
1051         case MapNotify:
1052                 name = "MapNotify";
1053                 break;
1054         case MapRequest:
1055                 name = "MapRequest";
1056                 break;
1057         case ReparentNotify:
1058                 name = "ReparentNotify";
1059                 break;
1060         case ConfigureNotify:
1061                 name = "ConfigureNotify";
1062                 break;
1063         case ConfigureRequest:
1064                 name = "ConfigureRequest";
1065                 break;
1066         case GravityNotify:
1067                 name = "GravityNotify";
1068                 break;
1069         case ResizeRequest:
1070                 name = "ResizeRequest";
1071                 break;
1072         case CirculateNotify:
1073                 name = "CirculateNotify";
1074                 break;
1075         case CirculateRequest:
1076                 name = "CirculateRequest";
1077                 break;
1078         case PropertyNotify:
1079                 name = "PropertyNotify";
1080                 break;
1081         case SelectionClear:
1082                 name = "SelectionClear";
1083                 break;
1084         case SelectionRequest:
1085                 name = "SelectionRequest";
1086                 break;
1087         case SelectionNotify:
1088                 name = "SelectionNotify";
1089                 break;
1090         case ColormapNotify:
1091                 name = "ColormapNotify";
1092                 break;
1093         case ClientMessage:
1094                 name = "ClientMessage";
1095                 break;
1096         case MappingNotify:
1097                 name = "MappingNotify";
1098                 break;
1099         default:
1100                 name = "Unknown";
1101         }
1102
1103         return (name);
1104 }
1105
1106 char *
1107 xrandr_geteventname(XEvent *e)
1108 {
1109         char                    *name = NULL;
1110
1111         switch(e->type - xrandr_eventbase) {
1112         case RRScreenChangeNotify:
1113                 name = "RRScreenChangeNotify";
1114                 break;
1115         default:
1116                 name = "Unknown";
1117         }
1118
1119         return (name);
1120 }
1121
1122 void
1123 dumpwins(struct swm_region *r, union arg *args)
1124 {
1125         struct ws_win           *win;
1126         uint16_t                state;
1127         XWindowAttributes       wa;
1128
1129         if (r->ws == NULL) {
1130                 warnx("dumpwins: invalid workspace");
1131                 return;
1132         }
1133
1134         warnx("=== managed window list ws %02d ===", r->ws->idx);
1135
1136         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1137                 state = getstate(win->id);
1138                 if (!XGetWindowAttributes(display, win->id, &wa))
1139                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1140                             win->id);
1141                 warnx("window: 0x%lx, map_state: %d, state: %u, "
1142                     "transient: 0x%lx", win->id, wa.map_state, state,
1143                     win->transient);
1144         }
1145
1146         warnx("===== unmanaged window list =====");
1147         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1148                 state = getstate(win->id);
1149                 if (!XGetWindowAttributes(display, win->id, &wa))
1150                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1151                             win->id);
1152                 warnx("window: 0x%lx, map_state: %d, state: %u, "
1153                     "transient: 0x%lx", win->id, wa.map_state, state,
1154                     win->transient);
1155         }
1156
1157         warnx("=================================");
1158 }
1159 #else
1160 void
1161 dumpwins(struct swm_region *r, union arg *args)
1162 {
1163 }
1164 #endif /* SWM_DEBUG */
1165
1166 void                    expose(XEvent *);
1167 void                    keypress(XEvent *);
1168 void                    buttonpress(XEvent *);
1169 void                    configurerequest(XEvent *);
1170 void                    configurenotify(XEvent *);
1171 void                    destroynotify(XEvent *);
1172 void                    enternotify(XEvent *);
1173 void                    focusevent(XEvent *);
1174 void                    mapnotify(XEvent *);
1175 void                    mappingnotify(XEvent *);
1176 void                    maprequest(XEvent *);
1177 void                    propertynotify(XEvent *);
1178 void                    unmapnotify(XEvent *);
1179 void                    visibilitynotify(XEvent *);
1180 void                    clientmessage(XEvent *);
1181
1182 void                    (*handler[LASTEvent])(XEvent *) = {
1183                                 [Expose] = expose,
1184                                 [KeyPress] = keypress,
1185                                 [ButtonPress] = buttonpress,
1186                                 [ConfigureRequest] = configurerequest,
1187                                 [ConfigureNotify] = configurenotify,
1188                                 [DestroyNotify] = destroynotify,
1189                                 [EnterNotify] = enternotify,
1190                                 [FocusIn] = focusevent,
1191                                 [FocusOut] = focusevent,
1192                                 [MapNotify] = mapnotify,
1193                                 [MappingNotify] = mappingnotify,
1194                                 [MapRequest] = maprequest,
1195                                 [PropertyNotify] = propertynotify,
1196                                 [UnmapNotify] = unmapnotify,
1197                                 [VisibilityNotify] = visibilitynotify,
1198                                 [ClientMessage] = clientmessage,
1199 };
1200
1201 void
1202 sighdlr(int sig)
1203 {
1204         int                     saved_errno, status;
1205         pid_t                   pid;
1206
1207         saved_errno = errno;
1208
1209         switch (sig) {
1210         case SIGCHLD:
1211                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1212                         if (pid == -1) {
1213                                 if (errno == EINTR)
1214                                         continue;
1215 #ifdef SWM_DEBUG
1216                                 if (errno != ECHILD)
1217                                         warn("sighdlr: waitpid");
1218 #endif /* SWM_DEBUG */
1219                                 break;
1220                         }
1221                         if (pid == searchpid)
1222                                 search_resp = 1;
1223
1224 #ifdef SWM_DEBUG
1225                         if (WIFEXITED(status)) {
1226                                 if (WEXITSTATUS(status) != 0)
1227                                         warnx("sighdlr: child exit status: %d",
1228                                             WEXITSTATUS(status));
1229                         } else
1230                                 warnx("sighdlr: child is terminated "
1231                                     "abnormally");
1232 #endif /* SWM_DEBUG */
1233                 }
1234                 break;
1235
1236         case SIGHUP:
1237                 restart_wm = 1;
1238                 break;
1239         case SIGINT:
1240         case SIGTERM:
1241         case SIGQUIT:
1242                 running = 0;
1243                 break;
1244         }
1245
1246         errno = saved_errno;
1247 }
1248
1249 struct pid_e *
1250 find_pid(long pid)
1251 {
1252         struct pid_e            *p = NULL;
1253
1254         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1255
1256         if (pid == 0)
1257                 return (NULL);
1258
1259         TAILQ_FOREACH(p, &pidlist, entry) {
1260                 if (p->pid == pid)
1261                         return (p);
1262         }
1263
1264         return (NULL);
1265 }
1266
1267 uint32_t
1268 name_to_color(const char *colorname)
1269 {
1270         uint32_t                        result = 0;
1271         char                            cname[32] = "#";
1272         xcb_screen_t                    *screen;
1273         xcb_colormap_t                  cmap;
1274         xcb_alloc_named_color_cookie_t  c;
1275         xcb_alloc_named_color_reply_t   *r;
1276
1277         /* XXX - does not support rgb:/RR/GG/BB
1278          *       will need to use xcb_alloc_color
1279          */
1280         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1281         cmap = screen->default_colormap;
1282
1283         c = xcb_alloc_named_color(conn, cmap, strlen(colorname), colorname);
1284         r = xcb_alloc_named_color_reply(conn, c, NULL);
1285         if (!r) {
1286                 strlcat(cname, colorname + 2, sizeof cname - 1);
1287                 c = xcb_alloc_named_color(conn, cmap, strlen(cname),
1288                         cname);
1289                 r = xcb_alloc_named_color_reply(conn, c, NULL);
1290         }
1291         if (r) {
1292                 result = r->pixel;
1293                 free(r);
1294         } else
1295                 warnx("color '%s' not found", colorname);
1296
1297         return (result);
1298 }
1299
1300 void
1301 setscreencolor(char *val, int i, int c)
1302 {
1303         int     num_screens;
1304
1305         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1306         if (i > 0 && i <= num_screens) {
1307                 screens[i - 1].c[c].color = name_to_color(val);
1308                 free(screens[i - 1].c[c].name);
1309                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1310                         err(1, "strdup");
1311         } else if (i == -1) {
1312                 for (i = 0; i < num_screens; i++) {
1313                         screens[i].c[c].color = name_to_color(val);
1314                         free(screens[i].c[c].name);
1315                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1316                                 err(1, "strdup");
1317                 }
1318         } else
1319                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1320                     i, num_screens);
1321 }
1322
1323 void
1324 fancy_stacker(struct workspace *ws)
1325 {
1326         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1327         if (ws->cur_layout->l_stack == vertical_stack)
1328                 snprintf(ws->stacker, sizeof ws->stacker,
1329                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1330                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1331         if (ws->cur_layout->l_stack == horizontal_stack)
1332                 snprintf(ws->stacker, sizeof ws->stacker,
1333                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1334                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1335 }
1336
1337 void
1338 plain_stacker(struct workspace *ws)
1339 {
1340         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1341         if (ws->cur_layout->l_stack == vertical_stack)
1342                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1343                     sizeof ws->stacker);
1344         if (ws->cur_layout->l_stack == horizontal_stack)
1345                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1346                     sizeof ws->stacker);
1347 }
1348
1349 void
1350 custom_region(char *val)
1351 {
1352         unsigned int                    sidx, x, y, w, h;
1353         int                             num_screens;
1354
1355         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1356         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1357                 errx(1, "invalid custom region, "
1358                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1359         if (sidx < 1 || sidx > num_screens)
1360                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1361                     sidx, num_screens);
1362         sidx--;
1363
1364         if (w < 1 || h < 1)
1365                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1366
1367         if (x > DisplayWidth(display, sidx) ||
1368             y > DisplayHeight(display, sidx) ||
1369             w + x > DisplayWidth(display, sidx) ||
1370             h + y > DisplayHeight(display, sidx)) {
1371                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1372                     "boundaries (%ux%u)", w, h, x, y,
1373                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1374                 return;
1375         }
1376
1377         new_region(&screens[sidx], x, y, w, h);
1378 }
1379
1380 void
1381 socket_setnonblock(int fd)
1382 {
1383         int                     flags;
1384
1385         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1386                 err(1, "fcntl F_GETFL");
1387         flags |= O_NONBLOCK;
1388         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1389                 err(1, "fcntl F_SETFL");
1390 }
1391
1392 void
1393 bar_print(struct swm_region *r, const char *s)
1394 {
1395         int                     x = 0;
1396         size_t                  len;
1397         XRectangle              ibox, lbox;
1398
1399         len = strlen(s);
1400         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1401
1402         switch (bar_justify) {
1403         case SWM_BAR_JUSTIFY_LEFT:
1404                 x = SWM_BAR_OFFSET;
1405                 break;
1406         case SWM_BAR_JUSTIFY_CENTER:
1407                 x = (WIDTH(r) - lbox.width) / 2;
1408                 break;
1409         case SWM_BAR_JUSTIFY_RIGHT:
1410                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1411                 break;
1412         }
1413
1414         if (x < SWM_BAR_OFFSET)
1415                 x = SWM_BAR_OFFSET;
1416
1417         /* clear back buffer */
1418         XSetForeground(display, r->s->bar_gc, r->s->c[SWM_S_COLOR_BAR].color);
1419         XFillRectangle(display, r->bar->buffer, r->s->bar_gc, 0, 0,
1420             WIDTH(r->bar), HEIGHT(r->bar));
1421
1422         /* draw back buffer */
1423         XSetForeground(display, r->s->bar_gc,
1424             r->s->c[SWM_S_COLOR_BAR_FONT].color);
1425         DRAWSTRING(display, r->bar->buffer, bar_fs, r->s->bar_gc,
1426                 x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1427                 lbox.y, s, len);
1428
1429         /* blt */
1430         XCopyArea(display, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1431             WIDTH(r->bar), HEIGHT(r->bar), 0, 0);
1432 }
1433
1434 void
1435 bar_extra_stop(void)
1436 {
1437         if (bar_pipe[0]) {
1438                 close(bar_pipe[0]);
1439                 bzero(bar_pipe, sizeof bar_pipe);
1440         }
1441         if (bar_pid) {
1442                 kill(bar_pid, SIGTERM);
1443                 bar_pid = 0;
1444         }
1445         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1446         bar_extra = 0;
1447 }
1448
1449 void
1450 bar_class_name(char *s, size_t sz, struct swm_region *r)
1451 {
1452         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1453                 return;
1454         if (r->ws->focus->ch.res_class != NULL)
1455                 strlcat(s, r->ws->focus->ch.res_class, sz);
1456 }
1457
1458 void
1459 bar_title_name(char *s, size_t sz, struct swm_region *r)
1460 {
1461         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1462                 return;
1463         if (r->ws->focus->ch.res_name != NULL)
1464                 strlcat(s, r->ws->focus->ch.res_name, sz);
1465 }
1466
1467 void
1468 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1469 {
1470         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1471                 return;
1472
1473         bar_class_name(s, sz, r);
1474         strlcat(s, ":", sz);
1475         bar_title_name(s, sz, r);
1476 }
1477
1478 void
1479 bar_window_float(char *s, size_t sz, struct swm_region *r)
1480 {
1481         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1482                 return;
1483         if (r->ws->focus->floating)
1484                 strlcat(s, "(f)", sz);
1485 }
1486
1487 void
1488 bar_window_name(char *s, size_t sz, struct swm_region *r)
1489 {
1490         unsigned char           *title;
1491
1492         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1493                 return;
1494         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1495                 return;
1496
1497         strlcat(s, (char *)title, sz);
1498         XFree(title);
1499 }
1500
1501 int             urgent[SWM_WS_MAX];
1502 void
1503 bar_urgent(char *s, size_t sz)
1504 {
1505         XWMHints                *wmh = NULL;
1506         struct ws_win           *win;
1507         int                     i, j, num_screens;
1508         char                    b[8];
1509
1510         for (i = 0; i < workspace_limit; i++)
1511                 urgent[i] = 0;
1512
1513         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1514         for (i = 0; i < num_screens; i++)
1515                 for (j = 0; j < workspace_limit; j++)
1516                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1517                                 wmh = XGetWMHints(display, win->id);
1518                                 if (wmh == NULL)
1519                                         continue;
1520
1521                                 if (wmh->flags & XUrgencyHint)
1522                                         urgent[j] = 1;
1523                                 XFree(wmh);
1524                         }
1525
1526         for (i = 0; i < workspace_limit; i++) {
1527                 if (urgent[i])
1528                         snprintf(b, sizeof b, "%d ", i + 1);
1529                 else
1530                         snprintf(b, sizeof b, "- ");
1531                 strlcat(s, b, sz);
1532         }
1533 }
1534
1535 void
1536 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1537 {
1538         if (r == NULL || r->ws == NULL)
1539                 return;
1540         if (r->ws->name != NULL)
1541                 strlcat(s, r->ws->name, sz);
1542 }
1543
1544 /* build the default bar format according to the defined enabled options */
1545 void
1546 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1547 {
1548         /* if format provided, just copy the buffers */
1549         if (bar_format != NULL) {
1550                 strlcpy(fmtnew, fmtexp, sz);
1551                 return;
1552         }
1553
1554         /* reset the output buffer */
1555         *fmtnew = '\0';
1556
1557         strlcat(fmtnew, "+N:+I ", sz);
1558         if (stack_enabled)
1559                 strlcat(fmtnew, "+S", sz);
1560         strlcat(fmtnew, " ", sz);
1561
1562         /* only show the workspace name if there's actually one */
1563         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1564                 strlcat(fmtnew, "<+D>", sz);
1565         strlcat(fmtnew, "+3<", sz);
1566
1567         if (clock_enabled) {
1568                 strlcat(fmtnew, fmtexp, sz);
1569                 strlcat(fmtnew, "+4<", sz);
1570         }
1571
1572         /* bar_urgent already adds the space before the last asterisk */
1573         if (urgent_enabled)
1574                 strlcat(fmtnew, "* +U*+4<", sz);
1575
1576         if (title_class_enabled) {
1577                 strlcat(fmtnew, "+C", sz);
1578                 if (title_name_enabled == 0)
1579                         strlcat(fmtnew, "+4<", sz);
1580         }
1581
1582         /* checks needed by the colon and floating strlcat(3) calls below */
1583         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1584                 if (title_name_enabled) {
1585                         if (title_class_enabled)
1586                                 strlcat(fmtnew, ":", sz);
1587                         strlcat(fmtnew, "+T+4<", sz);
1588                 }
1589                 if (window_name_enabled) {
1590                         if (r->ws->focus->floating)
1591                                 strlcat(fmtnew, "+F ", sz);
1592                         strlcat(fmtnew, "+64W ", sz);
1593                 }
1594         }
1595
1596         /* finally add the action script output and the version */
1597         strlcat(fmtnew, "+4<+A+4<+V", sz);
1598 }
1599
1600 void
1601 bar_replace_pad(char *tmp, int *limit, size_t sz)
1602 {
1603         /* special case; no limit given, pad one space, instead */
1604         if (*limit == sz - 1)
1605                 *limit = 1;
1606         snprintf(tmp, sz, "%*s", *limit, " ");
1607 }
1608
1609 /* replaces the bar format character sequences (like in tmux(1)) */
1610 char *
1611 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1612     size_t sz)
1613 {
1614         char                    *ptr;
1615         char                    tmp[SWM_BAR_MAX];
1616         int                     limit, size;
1617         size_t                  len;
1618
1619         /* reset strlcat(3) buffer */
1620         *tmp = '\0';
1621
1622         /* get number, if any */
1623         fmt++;
1624         size = 0;
1625         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1626                 limit = sizeof tmp - 1;
1627         if (limit <= 0 || limit >= sizeof tmp)
1628                 limit = sizeof tmp - 1;
1629
1630         /* there is nothing to replace (ie EOL) */
1631         fmt += size;
1632         if (*fmt == '\0')
1633                 return (fmt);
1634
1635         switch (*fmt) {
1636         case '<':
1637                 bar_replace_pad(tmp, &limit, sizeof tmp);
1638                 break;
1639         case 'A':
1640                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1641                 break;
1642         case 'C':
1643                 bar_class_name(tmp, sizeof tmp, r);
1644                 break;
1645         case 'D':
1646                 bar_workspace_name(tmp, sizeof tmp, r);
1647                 break;
1648         case 'F':
1649                 bar_window_float(tmp, sizeof tmp, r);
1650                 break;
1651         case 'I':
1652                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1653                 break;
1654         case 'N':
1655                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1656                 break;
1657         case 'P':
1658                 bar_class_title_name(tmp, sizeof tmp, r);
1659                 break;
1660         case 'S':
1661                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1662                 break;
1663         case 'T':
1664                 bar_title_name(tmp, sizeof tmp, r);
1665                 break;
1666         case 'U':
1667                 bar_urgent(tmp, sizeof tmp);
1668                 break;
1669         case 'V':
1670                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1671                 break;
1672         case 'W':
1673                 bar_window_name(tmp, sizeof tmp, r);
1674                 break;
1675         default:
1676                 /* unknown character sequence; copy as-is */
1677                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1678                 break;
1679         }
1680
1681         len = strlen(tmp);
1682         ptr = tmp;
1683         if (len < limit)
1684                 limit = len;
1685         while (limit-- > 0) {
1686                 if (*offrep >= sz - 1)
1687                         break;
1688                 fmtrep[(*offrep)++] = *ptr++;
1689         }
1690
1691         fmt++;
1692         return (fmt);
1693 }
1694
1695 void
1696 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1697 {
1698         size_t                  off;
1699
1700         off = 0;
1701         while (*fmt != '\0') {
1702                 if (*fmt != '+') {
1703                         /* skip ordinary characters */
1704                         if (off >= sz - 1)
1705                                 break;
1706                         fmtrep[off++] = *fmt++;
1707                         continue;
1708                 }
1709
1710                 /* character sequence found; replace it */
1711                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1712                 if (off >= sz - 1)
1713                         break;
1714         }
1715
1716         fmtrep[off] = '\0';
1717 }
1718
1719 void
1720 bar_fmt_expand(char *fmtexp, size_t sz)
1721 {
1722         char                    *fmt = NULL;
1723         size_t                  len;
1724         struct tm               tm;
1725         time_t                  tmt;
1726
1727         /* start by grabbing the current time and date */
1728         time(&tmt);
1729         localtime_r(&tmt, &tm);
1730
1731         /* figure out what to expand */
1732         if (bar_format != NULL)
1733                 fmt = bar_format;
1734         else if (bar_format == NULL && clock_enabled)
1735                 fmt = clock_format;
1736         /* if nothing to expand bail out */
1737         if (fmt == NULL) {
1738                 *fmtexp = '\0';
1739                 return;
1740         }
1741
1742         /* copy as-is, just in case the format shouldn't be expanded below */
1743         strlcpy(fmtexp, fmt, sz);
1744         /* finally pass the string through strftime(3) */
1745 #ifndef SWM_DENY_CLOCK_FORMAT
1746         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1747                 warnx("format too long");
1748         fmtexp[len] = '\0';
1749 #endif
1750 }
1751
1752 void
1753 bar_fmt_print(void)
1754 {
1755         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1756         char                    fmtrep[SWM_BAR_MAX];
1757         int                     i, num_screens;
1758         struct swm_region       *r;
1759
1760         /* expand the format by first passing it through strftime(3) */
1761         bar_fmt_expand(fmtexp, sizeof fmtexp);
1762
1763         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1764         for (i = 0; i < num_screens; i++) {
1765                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1766                         if (r->bar == NULL)
1767                                 continue;
1768                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1769                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1770                         bar_print(r, fmtrep);
1771                 }
1772         }
1773 }
1774
1775 void
1776 bar_update(void)
1777 {
1778         size_t                  len;
1779         char                    *b;
1780
1781         if (bar_enabled == 0)
1782                 return;
1783         if (bar_extra && bar_extra_running) {
1784                 /* ignore short reads; it'll correct itself */
1785                 while ((b = fgetln(stdin, &len)) != NULL)
1786                         if (b && b[len - 1] == '\n') {
1787                                 b[len - 1] = '\0';
1788                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1789                         }
1790                 if (b == NULL && errno != EAGAIN) {
1791                         warn("bar_update: bar_extra failed");
1792                         bar_extra_stop();
1793                 }
1794         } else
1795                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1796
1797         bar_fmt_print();
1798         alarm(bar_delay);
1799 }
1800
1801 void
1802 bar_signal(int sig)
1803 {
1804         bar_alarm = 1;
1805 }
1806
1807 void
1808 bar_toggle(struct swm_region *r, union arg *args)
1809 {
1810         struct swm_region       *tmpr;
1811         int                     i, num_screens;
1812
1813         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1814
1815         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1816         if (bar_enabled) {
1817                 for (i = 0; i < num_screens; i++)
1818                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1819                                 if (tmpr->bar)
1820                                         xcb_unmap_window(conn, tmpr->bar->id);
1821         } else {
1822                 for (i = 0; i < num_screens; i++)
1823                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1824                                 if (tmpr->bar)
1825                                         map_window_raised(tmpr->bar->id);
1826         }
1827
1828         bar_enabled = !bar_enabled;
1829
1830         stack();
1831         /* must be after stack */
1832         bar_update();
1833 }
1834
1835 void
1836 bar_refresh(void)
1837 {
1838         struct swm_region       *r;
1839         uint32_t                wa[2];
1840         int                     i, num_screens;
1841
1842         /* do this here because the conf file is in memory */
1843         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1844                 /* launch external status app */
1845                 bar_extra_running = 1;
1846                 if (pipe(bar_pipe) == -1)
1847                         err(1, "pipe error");
1848                 socket_setnonblock(bar_pipe[0]);
1849                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1850                 if (dup2(bar_pipe[0], 0) == -1)
1851                         err(1, "dup2");
1852                 if (dup2(bar_pipe[1], 1) == -1)
1853                         err(1, "dup2");
1854                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1855                         err(1, "could not disable SIGPIPE");
1856                 switch (bar_pid = fork()) {
1857                 case -1:
1858                         err(1, "cannot fork");
1859                         break;
1860                 case 0: /* child */
1861                         close(bar_pipe[0]);
1862                         execvp(bar_argv[0], bar_argv);
1863                         err(1, "%s external app failed", bar_argv[0]);
1864                         break;
1865                 default: /* parent */
1866                         close(bar_pipe[1]);
1867                         break;
1868                 }
1869         }
1870
1871         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1872         for (i = 0; i < num_screens; i++)
1873                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1874                         if (r->bar == NULL)
1875                                 continue;
1876                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1877                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1878                         xcb_change_window_attributes(conn, r->bar->id,
1879                                 XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1880                 }
1881         bar_update();
1882 }
1883
1884 void
1885 bar_setup(struct swm_region *r)
1886 {
1887         char                    *default_string;
1888         char                    **missing_charsets;
1889         int                     num_missing_charsets = 0;
1890         int                     i;
1891
1892         if (bar_fs) {
1893                 XFreeFontSet(display, bar_fs);
1894                 bar_fs = NULL;
1895         }
1896
1897         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1898                 err(1, "bar_setup: calloc: failed to allocate memory.");
1899
1900         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1901
1902         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1903             &num_missing_charsets, &default_string);
1904
1905         if (num_missing_charsets > 0) {
1906                 warnx("Unable to load charset(s):");
1907
1908                 for (i = 0; i < num_missing_charsets; ++i)
1909                         warnx("%s", missing_charsets[i]);
1910
1911                 XFreeStringList(missing_charsets);
1912
1913                 if (strcmp(default_string, ""))
1914                         warnx("Glyphs from those sets will be replaced "
1915                             "by '%s'.", default_string);
1916                 else
1917                         warnx("Glyphs from those sets won't be drawn.");
1918         }
1919
1920         if (bar_fs == NULL)
1921                 errx(1, "Error creating font set structure.");
1922
1923         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1924
1925         bar_height = bar_fs_extents->max_logical_extent.height +
1926             2 * bar_border_width;
1927
1928         if (bar_height < 1)
1929                 bar_height = 1;
1930
1931         X(r->bar) = X(r);
1932         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1933         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1934         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1935
1936         r->bar->id = XCreateSimpleWindow(display,
1937             r->s->root, X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1938             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1939             r->s->c[SWM_S_COLOR_BAR].color);
1940
1941         r->bar->buffer = XCreatePixmap(display, r->bar->id, WIDTH(r->bar),
1942             HEIGHT(r->bar), DefaultDepth(display, r->s->idx));
1943
1944         xcb_randr_select_input(conn, r->bar->id,
1945                 XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1946
1947         if (bar_enabled)
1948                 map_window_raised(r->bar->id);
1949
1950         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%lx, (x,y) w x h: (%d,%d) "
1951             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1952             HEIGHT(r->bar));
1953
1954         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1955                 err(1, "could not install bar_signal");
1956         bar_refresh();
1957 }
1958
1959 void
1960 bar_cleanup(struct swm_region *r)
1961 {
1962         if (r->bar == NULL)
1963                 return;
1964         xcb_destroy_window(conn, r->bar->id);
1965         xcb_free_pixmap(conn, r->bar->buffer);
1966         free(r->bar);
1967         r->bar = NULL;
1968 }
1969
1970 void
1971 drain_enter_notify(void)
1972 {
1973         int                     i = 0;
1974
1975         while (xcb_poll_for_event(conn))
1976                 i++;
1977
1978         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
1979 }
1980
1981 void
1982 set_win_state(struct ws_win *win, uint16_t state)
1983 {
1984         uint16_t                data[2] = { state, XCB_ATOM_NONE };
1985
1986         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
1987
1988         if (win == NULL)
1989                 return;
1990
1991         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, astate,
1992                 astate, 32, 2, data);
1993 }
1994
1995 uint16_t
1996 getstate(xcb_window_t w)
1997 {
1998         uint16_t                        result = 0;
1999         xcb_get_property_cookie_t       c;
2000         xcb_get_property_reply_t        *r;
2001
2002         c = xcb_get_property(conn, False, w, astate, astate, 0L, 2L);
2003         r = xcb_get_property_reply(conn, c, NULL);
2004
2005         if (r) {
2006                 result = *((uint16_t *)xcb_get_property_value(r));
2007                 free(r);
2008         }
2009
2010         return (result);
2011 }
2012
2013 void
2014 version(struct swm_region *r, union arg *args)
2015 {
2016         bar_version = !bar_version;
2017         if (bar_version)
2018                 snprintf(bar_vertext, sizeof bar_vertext,
2019                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2020         else
2021                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2022         bar_update();
2023 }
2024
2025 void
2026 client_msg(struct ws_win *win, Atom a)
2027 {
2028         XClientMessageEvent     cm;
2029
2030         if (win == NULL)
2031                 return;
2032
2033         bzero(&cm, sizeof cm);
2034         cm.type = ClientMessage;
2035         cm.window = win->id;
2036         cm.message_type = aprot;
2037         cm.format = 32;
2038         cm.data.l[0] = a;
2039         cm.data.l[1] = CurrentTime;
2040         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
2041 }
2042
2043 /* synthetic response to a ConfigureRequest when not making a change */
2044 void
2045 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
2046 {
2047         XConfigureEvent         ce;
2048
2049         if (win == NULL)
2050                 return;
2051
2052         /* send notification of unchanged state. */
2053         ce.type = ConfigureNotify;
2054         ce.x = X(win);
2055         ce.y = Y(win);
2056         ce.width = WIDTH(win);
2057         ce.height = HEIGHT(win);
2058         ce.override_redirect = False;
2059
2060         if (ev == NULL) {
2061                 /* EWMH */
2062                 ce.display = display;
2063                 ce.event = win->id;
2064                 ce.window = win->id;
2065                 ce.border_width = BORDER(win);
2066                 ce.above = None;
2067         } else {
2068                 /* normal */
2069                 ce.display = ev->display;
2070                 ce.event = ev->window;
2071                 ce.window = ev->window;
2072
2073                 /* make response appear more WM_SIZE_HINTS-compliant */
2074                 if (win->sh_mask)
2075                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%lx,"
2076                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
2077                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
2078                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2079                             SH_INC_W(win), SH_INC_H(win));
2080
2081                 /* min size */
2082                 if (SH_MIN(win)) {
2083                         /* the hint may be set... to 0! */
2084                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2085                                 ce.width = SH_MIN_W(win);
2086                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2087                                 ce.height = SH_MIN_H(win);
2088                 }
2089
2090                 /* max size */
2091                 if (SH_MAX(win)) {
2092                         /* may also be advertized as 0 */
2093                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2094                                 ce.width = SH_MAX_W(win);
2095                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2096                                 ce.height = SH_MAX_H(win);
2097                 }
2098
2099                 /* resize increment. */
2100                 if (SH_INC(win)) {
2101                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2102                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2103                                     SH_INC_W(win);
2104                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2105                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2106                                     SH_INC_H(win);
2107                 }
2108
2109                 /* adjust x and y for requested border_width. */
2110                 ce.x += BORDER(win) - ev->border_width;
2111                 ce.y += BORDER(win) - ev->border_width;
2112                 ce.border_width = ev->border_width;
2113                 ce.above = ev->above;
2114         }
2115
2116         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
2117             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2118             ce.y, ce.width, ce.height, ce.border_width);
2119
2120         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
2121 }
2122
2123 int
2124 count_win(struct workspace *ws, int count_transient)
2125 {
2126         struct ws_win           *win;
2127         int                     count = 0;
2128
2129         TAILQ_FOREACH(win, &ws->winlist, entry) {
2130                 if (count_transient == 0 && win->floating)
2131                         continue;
2132                 if (count_transient == 0 && win->transient)
2133                         continue;
2134                 if (win->iconic)
2135                         continue;
2136                 count++;
2137         }
2138         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2139
2140         return (count);
2141 }
2142
2143 void
2144 quit(struct swm_region *r, union arg *args)
2145 {
2146         DNPRINTF(SWM_D_MISC, "quit\n");
2147         running = 0;
2148 }
2149
2150 void
2151 unmap_window(struct ws_win *win)
2152 {
2153         if (win == NULL)
2154                 return;
2155
2156         /* don't unmap again */
2157         if (getstate(win->id) == XCB_WM_STATE_ICONIC)
2158                 return;
2159
2160         set_win_state(win, XCB_WM_STATE_ICONIC);
2161
2162         xcb_unmap_window(conn, win->id);
2163         XSetWindowBorder(display, win->id,
2164             win->s->c[SWM_S_COLOR_UNFOCUS].color);
2165 }
2166
2167 void
2168 unmap_all(void)
2169 {
2170         struct ws_win           *win;
2171         int                     i, j, num_screens;
2172
2173         for (i = 0; i < num_screens; i++)
2174                 for (j = 0; j < workspace_limit; j++)
2175                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2176                                 unmap_window(win);
2177 }
2178
2179 void
2180 fake_keypress(struct ws_win *win, int keysym, int modifiers)
2181 {
2182         XKeyEvent event;
2183
2184         if (win == NULL)
2185                 return;
2186
2187         event.display = display;        /* Ignored, but what the hell */
2188         event.window = win->id;
2189         event.root = win->s->root;
2190         event.subwindow = None;
2191         event.time = CurrentTime;
2192         event.x = X(win);
2193         event.y = Y(win);
2194         event.x_root = 1;
2195         event.y_root = 1;
2196         event.same_screen = True;
2197         event.keycode = XKeysymToKeycode(display, keysym);
2198         event.state = modifiers;
2199
2200         event.type = KeyPress;
2201         XSendEvent(event.display, event.window, True,
2202             KeyPressMask, (XEvent *)&event);
2203
2204         event.type = KeyRelease;
2205         XSendEvent(event.display, event.window, True,
2206             KeyPressMask, (XEvent *)&event);
2207
2208 }
2209
2210 void
2211 restart(struct swm_region *r, union arg *args)
2212 {
2213         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2214
2215         /* disable alarm because the following code may not be interrupted */
2216         alarm(0);
2217         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2218                 err(1, "can't disable alarm");
2219
2220         bar_extra_stop();
2221         bar_extra = 1;
2222         unmap_all();
2223         XCloseDisplay(display);
2224         execvp(start_argv[0], start_argv);
2225         warn("execvp failed");
2226         quit(NULL, NULL);
2227 }
2228
2229 struct swm_region *
2230 root_to_region(Window root)
2231 {
2232         struct swm_region       *r = NULL;
2233         Window                  rr, cr;
2234         int                     i, x, y, wx, wy, num_screens;
2235         unsigned int            mask;
2236
2237         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%lx\n", root);
2238
2239         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2240         for (i = 0; i < num_screens; i++)
2241                 if (screens[i].root == root)
2242                         break;
2243
2244         if (XQueryPointer(display, screens[i].root,
2245             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
2246                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2247                     x, y);
2248                 /* choose a region based on pointer location */
2249                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2250                         if (X(r) <= x && x < MAX_X(r) &&
2251                             Y(r) <= y && y < MAX_Y(r))
2252                                 break;
2253         }
2254
2255         if (r == NULL)
2256                 r = TAILQ_FIRST(&screens[i].rl);
2257
2258         return (r);
2259 }
2260
2261 struct ws_win *
2262 find_unmanaged_window(xcb_window_t id)
2263 {
2264         struct ws_win           *win;
2265         int                     i, j, num_screens;
2266
2267         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2268         for (i = 0; i < num_screens; i++)
2269                 for (j = 0; j < workspace_limit; j++)
2270                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2271                             entry)
2272                                 if (id == win->id)
2273                                         return (win);
2274         return (NULL);
2275 }
2276
2277 struct ws_win *
2278 find_window(xcb_window_t id)
2279 {
2280         struct ws_win           *win;
2281         int                     i, j, num_screens;
2282         xcb_query_tree_cookie_t c;
2283         xcb_query_tree_reply_t  *r;
2284
2285         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2286         for (i = 0; i < num_screens; i++)
2287                 for (j = 0; j < workspace_limit; j++)
2288                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2289                                 if (id == win->id)
2290                                         return (win);
2291
2292         c = xcb_query_tree(conn, id);
2293         r = xcb_query_tree_reply(conn, c, NULL);
2294         if (!r)
2295                 return (NULL);
2296
2297         /* if we were looking for the parent return that window instead */
2298         if (r->parent == 0 || r->root == r->parent)
2299                 return (NULL);
2300
2301         /* look for parent */
2302         for (i = 0; i < num_screens; i++)
2303                 for (j = 0; j < workspace_limit; j++)
2304                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2305                                 if (r->parent == win->id) {
2306                                         free(r);
2307                                         return (win);
2308                                 }
2309
2310         free(r);
2311         return (NULL);
2312 }
2313
2314 void
2315 spawn(int ws_idx, union arg *args, int close_fd)
2316 {
2317         int                     fd;
2318         char                    *ret = NULL;
2319
2320         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2321
2322         if (display)
2323                 close(xcb_get_file_descriptor(conn));
2324
2325         setenv("LD_PRELOAD", SWM_LIB, 1);
2326
2327         if (asprintf(&ret, "%d", ws_idx) == -1) {
2328                 warn("spawn: asprintf SWM_WS");
2329                 _exit(1);
2330         }
2331         setenv("_SWM_WS", ret, 1);
2332         free(ret);
2333         ret = NULL;
2334
2335         if (asprintf(&ret, "%d", getpid()) == -1) {
2336                 warn("spawn: asprintf _SWM_PID");
2337                 _exit(1);
2338         }
2339         setenv("_SWM_PID", ret, 1);
2340         free(ret);
2341         ret = NULL;
2342
2343         if (setsid() == -1) {
2344                 warn("spawn: setsid");
2345                 _exit(1);
2346         }
2347
2348         if (close_fd) {
2349                 /*
2350                  * close stdin and stdout to prevent interaction between apps
2351                  * and the baraction script
2352                  * leave stderr open to record errors
2353                 */
2354                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2355                         warn("spawn: open");
2356                         _exit(1);
2357                 }
2358                 dup2(fd, STDIN_FILENO);
2359                 dup2(fd, STDOUT_FILENO);
2360                 if (fd > 2)
2361                         close(fd);
2362         }
2363
2364         execvp(args->argv[0], args->argv);
2365
2366         warn("spawn: execvp");
2367         _exit(1);
2368 }
2369
2370 void
2371 kill_refs(struct ws_win *win)
2372 {
2373         int                     i, x, num_screens;
2374         struct swm_region       *r;
2375         struct workspace        *ws;
2376
2377         if (win == NULL)
2378                 return;
2379
2380         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2381         for (i = 0; i < num_screens; i++)
2382                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2383                         for (x = 0; x < workspace_limit; x++) {
2384                                 ws = &r->s->ws[x];
2385                                 if (win == ws->focus)
2386                                         ws->focus = NULL;
2387                                 if (win == ws->focus_prev)
2388                                         ws->focus_prev = NULL;
2389                         }
2390 }
2391
2392 int
2393 validate_win(struct ws_win *testwin)
2394 {
2395         struct ws_win           *win;
2396         struct workspace        *ws;
2397         struct swm_region       *r;
2398         int                     i, x, num_screens;
2399
2400         if (testwin == NULL)
2401                 return (0);
2402
2403         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2404         for (i = 0; i < num_screens; i++)
2405                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2406                         for (x = 0; x < workspace_limit; x++) {
2407                                 ws = &r->s->ws[x];
2408                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2409                                         if (win == testwin)
2410                                                 return (0);
2411                         }
2412         return (1);
2413 }
2414
2415 int
2416 validate_ws(struct workspace *testws)
2417 {
2418         struct swm_region       *r;
2419         struct workspace        *ws;
2420         int                     i, x, num_screens;
2421
2422         /* validate all ws */
2423         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2424         for (i = 0; i < num_screens; i++)
2425                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2426                         for (x = 0; x < workspace_limit; x++) {
2427                                 ws = &r->s->ws[x];
2428                                 if (ws == testws)
2429                                         return (0);
2430                         }
2431         return (1);
2432 }
2433
2434 void
2435 unfocus_win(struct ws_win *win)
2436 {
2437         XEvent                  cne;
2438         xcb_window_t            none = XCB_WINDOW_NONE;
2439
2440         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2441
2442         if (win == NULL)
2443                 return;
2444         if (win->ws == NULL)
2445                 return;
2446
2447         if (validate_ws(win->ws))
2448                 return; /* XXX this gets hit with thunderbird, needs fixing */
2449
2450         if (win->ws->r == NULL)
2451                 return;
2452
2453         if (validate_win(win)) {
2454                 kill_refs(win);
2455                 return;
2456         }
2457
2458         if (win->ws->focus == win) {
2459                 win->ws->focus = NULL;
2460                 win->ws->focus_prev = win;
2461         }
2462
2463         if (validate_win(win->ws->focus)) {
2464                 kill_refs(win->ws->focus);
2465                 win->ws->focus = NULL;
2466         }
2467         if (validate_win(win->ws->focus_prev)) {
2468                 kill_refs(win->ws->focus_prev);
2469                 win->ws->focus_prev = NULL;
2470         }
2471
2472         /* drain all previous unfocus events */
2473         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2474                 ;
2475
2476         grabbuttons(win, 0);
2477         XSetWindowBorder(display, win->id,
2478             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2479
2480         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2481                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2482                 &none);
2483 }
2484
2485 void
2486 unfocus_all(void)
2487 {
2488         struct ws_win           *win;
2489         int                     i, j, num_screens;
2490
2491         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2492
2493         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2494         for (i = 0; i < num_screens; i++)
2495                 for (j = 0; j < workspace_limit; j++)
2496                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2497                                 unfocus_win(win);
2498 }
2499
2500 void
2501 focus_win(struct ws_win *win)
2502 {
2503         XEvent                  cne;
2504         struct ws_win           *cfw = NULL;
2505         xcb_get_input_focus_cookie_t    c;
2506         xcb_get_input_focus_reply_t     *r;
2507         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2508
2509         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2510
2511         if (win == NULL)
2512                 return;
2513         if (win->ws == NULL)
2514                 return;
2515
2516         if (validate_ws(win->ws))
2517                 return; /* XXX this gets hit with thunderbird, needs fixing */
2518
2519         if (validate_win(win)) {
2520                 kill_refs(win);
2521                 return;
2522         }
2523
2524         if (validate_win(win)) {
2525                 kill_refs(win);
2526                 return;
2527         }
2528
2529         c = xcb_get_input_focus(conn);
2530         r = xcb_get_input_focus_reply(conn, c, NULL);
2531         if (r) {
2532                 cur_focus = r->focus;
2533                 free(r);
2534         }
2535         if ((cfw = find_window(cur_focus)) != NULL)
2536                 unfocus_win(cfw);
2537         else {
2538                 /* use larger hammer since the window was killed somehow */
2539                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2540                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2541                                 XSetWindowBorder(display, cfw->id,
2542                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2543         }
2544
2545         win->ws->focus = win;
2546
2547         if (win->ws->r != NULL) {
2548                 /* drain all previous focus events */
2549                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2550                         ;
2551
2552                 if (win->java == 0)
2553                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2554                                 win->id, XCB_CURRENT_TIME);
2555                 grabbuttons(win, 1);
2556                 XSetWindowBorder(display, win->id,
2557                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2558                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2559                     win->ws->always_raise)
2560                         map_window_raised(win->id);
2561
2562                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2563                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2564                         &win->id);
2565         }
2566
2567         bar_update();
2568 }
2569
2570 void
2571 switchws(struct swm_region *r, union arg *args)
2572 {
2573         int                     wsid = args->id, unmap_old = 0;
2574         struct swm_region       *this_r, *other_r;
2575         struct ws_win           *win;
2576         struct workspace        *new_ws, *old_ws;
2577         union arg               a;
2578
2579         if (!(r && r->s))
2580                 return;
2581
2582         if (wsid >= workspace_limit)
2583                 return;
2584
2585         this_r = r;
2586         old_ws = this_r->ws;
2587         new_ws = &this_r->s->ws[wsid];
2588
2589         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2590             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2591
2592         if (new_ws == NULL || old_ws == NULL)
2593                 return;
2594         if (new_ws == old_ws)
2595                 return;
2596
2597         other_r = new_ws->r;
2598         if (other_r == NULL) {
2599                 /* the other workspace is hidden, hide this one */
2600                 old_ws->r = NULL;
2601                 unmap_old = 1;
2602         } else {
2603                 /* the other ws is visible in another region, exchange them */
2604                 other_r->ws_prior = new_ws;
2605                 other_r->ws = old_ws;
2606                 old_ws->r = other_r;
2607         }
2608         this_r->ws_prior = old_ws;
2609         this_r->ws = new_ws;
2610         new_ws->r = this_r;
2611
2612         /* this is needed so that we can click on a window after a restart */
2613         unfocus_all();
2614
2615         stack();
2616         a.id = SWM_ARG_ID_FOCUSCUR;
2617         focus(new_ws->r, &a);
2618
2619         /* unmap old windows */
2620         if (unmap_old)
2621                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2622                         unmap_window(win);
2623
2624         if (focus_mode == SWM_FOCUS_DEFAULT)
2625                 drain_enter_notify();
2626 }
2627
2628 void
2629 cyclews(struct swm_region *r, union arg *args)
2630 {
2631         union                   arg a;
2632         struct swm_screen       *s = r->s;
2633         int                     cycle_all = 0;
2634
2635         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2636             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2637
2638         a.id = r->ws->idx;
2639         do {
2640                 switch (args->id) {
2641                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2642                         cycle_all = 1;
2643                         /* FALLTHROUGH */
2644                 case SWM_ARG_ID_CYCLEWS_UP:
2645                         if (a.id < workspace_limit - 1)
2646                                 a.id++;
2647                         else
2648                                 a.id = 0;
2649                         break;
2650                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2651                         cycle_all = 1;
2652                         /* FALLTHROUGH */
2653                 case SWM_ARG_ID_CYCLEWS_DOWN:
2654                         if (a.id > 0)
2655                                 a.id--;
2656                         else
2657                                 a.id = workspace_limit - 1;
2658                         break;
2659                 default:
2660                         return;
2661                 };
2662
2663                 if (!cycle_all &&
2664                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2665                         continue;
2666                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2667                         continue;
2668
2669                 switchws(r, &a);
2670         } while (a.id != r->ws->idx);
2671 }
2672
2673 void
2674 priorws(struct swm_region *r, union arg *args)
2675 {
2676         union arg               a;
2677
2678         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2679             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2680
2681         if (r->ws_prior == NULL)
2682                 return;
2683
2684         a.id = r->ws_prior->idx;
2685         switchws(r, &a);
2686 }
2687
2688 void
2689 cyclescr(struct swm_region *r, union arg *args)
2690 {
2691         struct swm_region       *rr = NULL;
2692         union arg               a;
2693         int                     i, x, y, num_screens;
2694
2695         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2696         /* do nothing if we don't have more than one screen */
2697         if (!(num_screens > 1 || outputs > 1))
2698                 return;
2699
2700         i = r->s->idx;
2701         switch (args->id) {
2702         case SWM_ARG_ID_CYCLESC_UP:
2703                 rr = TAILQ_NEXT(r, entry);
2704                 if (rr == NULL)
2705                         rr = TAILQ_FIRST(&screens[i].rl);
2706                 break;
2707         case SWM_ARG_ID_CYCLESC_DOWN:
2708                 rr = TAILQ_PREV(r, swm_region_list, entry);
2709                 if (rr == NULL)
2710                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2711                 break;
2712         default:
2713                 return;
2714         };
2715         if (rr == NULL)
2716                 return;
2717
2718         /* move mouse to region */
2719         x = X(rr) + 1;
2720         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2721         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2722
2723         a.id = SWM_ARG_ID_FOCUSCUR;
2724         focus(rr, &a);
2725
2726         if (rr->ws->focus) {
2727                 /* move to focus window */
2728                 x = X(rr->ws->focus) + 1;
2729                 y = Y(rr->ws->focus) + 1;
2730                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2731         }
2732 }
2733
2734 void
2735 sort_windows(struct ws_win_list *wl)
2736 {
2737         struct ws_win           *win, *parent, *nxt;
2738
2739         if (wl == NULL)
2740                 return;
2741
2742         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2743                 nxt = TAILQ_NEXT(win, entry);
2744                 if (win->transient) {
2745                         parent = find_window(win->transient);
2746                         if (parent == NULL) {
2747                                 warnx("not possible bug");
2748                                 continue;
2749                         }
2750                         TAILQ_REMOVE(wl, win, entry);
2751                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2752                 }
2753         }
2754
2755 }
2756
2757 void
2758 swapwin(struct swm_region *r, union arg *args)
2759 {
2760         struct ws_win           *target, *source;
2761         struct ws_win           *cur_focus;
2762         struct ws_win_list      *wl;
2763
2764
2765         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2766             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2767
2768         cur_focus = r->ws->focus;
2769         if (cur_focus == NULL)
2770                 return;
2771
2772         source = cur_focus;
2773         wl = &source->ws->winlist;
2774
2775         switch (args->id) {
2776         case SWM_ARG_ID_SWAPPREV:
2777                 if (source->transient)
2778                         source = find_window(source->transient);
2779                 target = TAILQ_PREV(source, ws_win_list, entry);
2780                 if (target && target->transient)
2781                         target = find_window(target->transient);
2782                 TAILQ_REMOVE(wl, source, entry);
2783                 if (target == NULL)
2784                         TAILQ_INSERT_TAIL(wl, source, entry);
2785                 else
2786                         TAILQ_INSERT_BEFORE(target, source, entry);
2787                 break;
2788         case SWM_ARG_ID_SWAPNEXT:
2789                 target = TAILQ_NEXT(source, entry);
2790                 /* move the parent and let the sort handle the move */
2791                 if (source->transient)
2792                         source = find_window(source->transient);
2793                 TAILQ_REMOVE(wl, source, entry);
2794                 if (target == NULL)
2795                         TAILQ_INSERT_HEAD(wl, source, entry);
2796                 else
2797                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2798                 break;
2799         case SWM_ARG_ID_SWAPMAIN:
2800                 target = TAILQ_FIRST(wl);
2801                 if (target == source) {
2802                         if (source->ws->focus_prev != NULL &&
2803                             source->ws->focus_prev != target)
2804                                 source = source->ws->focus_prev;
2805                         else
2806                                 return;
2807                 }
2808                 if (target == NULL || source == NULL)
2809                         return;
2810                 source->ws->focus_prev = target;
2811                 TAILQ_REMOVE(wl, target, entry);
2812                 TAILQ_INSERT_BEFORE(source, target, entry);
2813                 TAILQ_REMOVE(wl, source, entry);
2814                 TAILQ_INSERT_HEAD(wl, source, entry);
2815                 break;
2816         case SWM_ARG_ID_MOVELAST:
2817                 TAILQ_REMOVE(wl, source, entry);
2818                 TAILQ_INSERT_TAIL(wl, source, entry);
2819                 break;
2820         default:
2821                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2822                 return;
2823         }
2824
2825         sort_windows(wl);
2826
2827         stack();
2828 }
2829
2830 void
2831 focus_prev(struct ws_win *win)
2832 {
2833         struct ws_win           *winfocus = NULL;
2834         struct ws_win           *cur_focus = NULL;
2835         struct ws_win_list      *wl = NULL;
2836         struct workspace        *ws = NULL;
2837
2838         if (!(win && win->ws))
2839                 return;
2840
2841         ws = win->ws;
2842         wl = &ws->winlist;
2843         cur_focus = ws->focus;
2844
2845         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx, cur_focus: 0x%lx\n",
2846             WINID(win), WINID(cur_focus));
2847
2848         /* pickle, just focus on whatever */
2849         if (cur_focus == NULL) {
2850                 /* use prev_focus if valid */
2851                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2852                     find_window(WINID(ws->focus_prev)))
2853                         winfocus = ws->focus_prev;
2854                 goto done;
2855         }
2856
2857         /* if transient focus on parent */
2858         if (cur_focus->transient) {
2859                 winfocus = find_window(cur_focus->transient);
2860                 goto done;
2861         }
2862
2863         /* if in max_stack try harder */
2864         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2865             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2866                 if (cur_focus != ws->focus_prev)
2867                         winfocus = ws->focus_prev;
2868                 else
2869                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2870                 if (winfocus)
2871                         goto done;
2872         }
2873
2874         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2875
2876         if (winfocus == NULL || winfocus == win) {
2877                 switch (focus_close) {
2878                 case SWM_STACK_BOTTOM:
2879                         winfocus = TAILQ_FIRST(wl);
2880                         break;
2881                 case SWM_STACK_TOP:
2882                         winfocus = TAILQ_LAST(wl, ws_win_list);
2883                         break;
2884                 case SWM_STACK_ABOVE:
2885                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2886                                 if (focus_close_wrap)
2887                                         winfocus = TAILQ_FIRST(wl);
2888                                 else
2889                                         winfocus = TAILQ_PREV(cur_focus,
2890                                             ws_win_list, entry);
2891                         }
2892                         break;
2893                 case SWM_STACK_BELOW:
2894                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2895                             entry)) == NULL) {
2896                                 if (focus_close_wrap)
2897                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2898                                 else
2899                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2900                         }
2901                         break;
2902                 }
2903         }
2904 done:
2905         if (winfocus == NULL) {
2906                 if (focus_default == SWM_STACK_TOP)
2907                         winfocus = TAILQ_LAST(wl, ws_win_list);
2908                 else
2909                         winfocus = TAILQ_FIRST(wl);
2910         }
2911
2912         kill_refs(win);
2913         focus_magic(winfocus);
2914 }
2915
2916 void
2917 focus(struct swm_region *r, union arg *args)
2918 {
2919         struct ws_win           *winfocus = NULL, *head;
2920         struct ws_win           *cur_focus = NULL;
2921         struct ws_win_list      *wl = NULL;
2922         struct workspace        *ws = NULL;
2923         int                     all_iconics;
2924
2925         if (!(r && r->ws))
2926                 return;
2927
2928         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2929
2930         /* treat FOCUS_CUR special */
2931         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2932                 if (r->ws->focus && r->ws->focus->iconic == 0)
2933                         winfocus = r->ws->focus;
2934                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2935                         winfocus = r->ws->focus_prev;
2936                 else
2937                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2938                                 if (winfocus->iconic == 0)
2939                                         break;
2940
2941                 focus_magic(winfocus);
2942                 return;
2943         }
2944
2945         if ((cur_focus = r->ws->focus) == NULL)
2946                 return;
2947         ws = r->ws;
2948         wl = &ws->winlist;
2949         if (TAILQ_EMPTY(wl))
2950                 return;
2951         /* make sure there is at least one uniconified window */
2952         all_iconics = 1;
2953         TAILQ_FOREACH(winfocus, wl, entry)
2954                 if (winfocus->iconic == 0) {
2955                         all_iconics = 0;
2956                         break;
2957                 }
2958         if (all_iconics)
2959                 return;
2960
2961         switch (args->id) {
2962         case SWM_ARG_ID_FOCUSPREV:
2963                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2964                 if (head == NULL)
2965                         head = TAILQ_LAST(wl, ws_win_list);
2966                 winfocus = head;
2967                 if (WINID(winfocus) == cur_focus->transient) {
2968                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2969                         if (head == NULL)
2970                                 head = TAILQ_LAST(wl, ws_win_list);
2971                         winfocus = head;
2972                 }
2973
2974                 /* skip iconics */
2975                 if (winfocus && winfocus->iconic) {
2976                         while (winfocus != cur_focus) {
2977                                 if (winfocus == NULL)
2978                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2979                                 if (winfocus->iconic == 0)
2980                                         break;
2981                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2982                                     entry);
2983                         }
2984                 }
2985                 break;
2986
2987         case SWM_ARG_ID_FOCUSNEXT:
2988                 head = TAILQ_NEXT(cur_focus, entry);
2989                 if (head == NULL)
2990                         head = TAILQ_FIRST(wl);
2991                 winfocus = head;
2992
2993                 /* skip iconics */
2994                 if (winfocus && winfocus->iconic) {
2995                         while (winfocus != cur_focus) {
2996                                 if (winfocus == NULL)
2997                                         winfocus = TAILQ_FIRST(wl);
2998                                 if (winfocus->iconic == 0)
2999                                         break;
3000                                 winfocus = TAILQ_NEXT(winfocus, entry);
3001                         }
3002                 }
3003                 break;
3004
3005         case SWM_ARG_ID_FOCUSMAIN:
3006                 winfocus = TAILQ_FIRST(wl);
3007                 if (winfocus == cur_focus)
3008                         winfocus = cur_focus->ws->focus_prev;
3009                 break;
3010
3011         default:
3012                 return;
3013         }
3014
3015         focus_magic(winfocus);
3016 }
3017
3018 void
3019 cycle_layout(struct swm_region *r, union arg *args)
3020 {
3021         struct workspace        *ws = r->ws;
3022         union arg               a;
3023
3024         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3025
3026         ws->cur_layout++;
3027         if (ws->cur_layout->l_stack == NULL)
3028                 ws->cur_layout = &layouts[0];
3029
3030         stack();
3031         if (focus_mode == SWM_FOCUS_DEFAULT)
3032                 drain_enter_notify();
3033         a.id = SWM_ARG_ID_FOCUSCUR;
3034         focus(r, &a);
3035 }
3036
3037 void
3038 stack_config(struct swm_region *r, union arg *args)
3039 {
3040         struct workspace        *ws = r->ws;
3041
3042         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3043             args->id, ws->idx);
3044
3045         if (ws->cur_layout->l_config != NULL)
3046                 ws->cur_layout->l_config(ws, args->id);
3047
3048         if (args->id != SWM_ARG_ID_STACKINIT)
3049                 stack();
3050         bar_update();
3051 }
3052
3053 void
3054 stack(void) {
3055         struct swm_geometry     g;
3056         struct swm_region       *r;
3057         int                     i, num_screens;
3058 #ifdef SWM_DEBUG
3059         int j;
3060 #endif
3061
3062         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3063
3064         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3065         for (i = 0; i < num_screens; i++) {
3066 #ifdef SWM_DEBUG
3067                 j = 0;
3068 #endif
3069                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3070                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3071                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3072
3073                         /* start with screen geometry, adjust for bar */
3074                         g = r->g;
3075                         g.w -= 2 * border_width;
3076                         g.h -= 2 * border_width;
3077                         if (bar_enabled) {
3078                                 if (!bar_at_bottom)
3079                                         g.y += bar_height;
3080                                 g.h -= bar_height;
3081                         }
3082                         r->ws->cur_layout->l_stack(r->ws, &g);
3083                         r->ws->cur_layout->l_string(r->ws);
3084                         /* save r so we can track region changes */
3085                         r->ws->old_r = r;
3086                 }
3087         }
3088         if (font_adjusted)
3089                 font_adjusted--;
3090
3091         if (focus_mode == SWM_FOCUS_DEFAULT)
3092                 drain_enter_notify();
3093
3094         DNPRINTF(SWM_D_STACK, "stack: end\n");
3095 }
3096
3097 void
3098 store_float_geom(struct ws_win *win, struct swm_region *r)
3099 {
3100         /* retain window geom and region geom */
3101         win->g_float = win->g;
3102         win->g_float.x -= X(r);
3103         win->g_float.y -= Y(r);
3104         win->g_floatvalid = 1;
3105         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%lx, g: (%d,%d)"
3106             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3107             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3108             win->g_float.w, win->g_float.h);
3109 }
3110
3111 void
3112 stack_floater(struct ws_win *win, struct swm_region *r)
3113 {
3114         if (win == NULL)
3115                 return;
3116
3117         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%lx\n", win->id);
3118
3119         /*
3120          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3121          * geom on ws switches or return from max mode
3122          */
3123         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3124             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3125                 /* refloat at last floating relative position */
3126                 win->g = win->g_float;
3127                 X(win) += X(r);
3128                 Y(win) += Y(r);
3129         }
3130
3131         win->floatmaxed = 0;
3132
3133         /*
3134          * if set to fullscreen mode, configure window to maximum size.
3135          */
3136         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3137                 if (!win->g_floatvalid)
3138                         store_float_geom(win, win->ws->r);
3139
3140                 win->g = win->ws->r->g;
3141         }
3142
3143         /*
3144          * remove border on fullscreen floater when in fullscreen mode or when
3145          * the quirk is present.
3146          */
3147         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3148             ((win->quirks & SWM_Q_FULLSCREEN) &&
3149              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3150                 if (win->bordered) {
3151                         win->bordered = 0;
3152                         X(win) += border_width;
3153                         Y(win) += border_width;
3154                 }
3155         } else if (!win->bordered) {
3156                 win->bordered = 1;
3157                 X(win) -= border_width;
3158                 Y(win) -= border_width;
3159         }
3160
3161         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3162                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3163                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3164         }
3165
3166         if (!win->manual) {
3167                 /*
3168                  * floaters and transients are auto-centred unless moved
3169                  * or resized
3170                  */
3171                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3172                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3173         }
3174
3175         /* keep window within region bounds */
3176         constrain_window(win, r, 0);
3177
3178         update_window(win);
3179 }
3180
3181 /*
3182  * Send keystrokes to terminal to decrease/increase the font size as the
3183  * window size changes.
3184  */
3185 void
3186 adjust_font(struct ws_win *win)
3187 {
3188         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3189             win->floating || win->transient)
3190                 return;
3191
3192         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3193             WIDTH(win) / win->sh.width_inc < term_width &&
3194             win->font_steps < SWM_MAX_FONT_STEPS) {
3195                 win->font_size_boundary[win->font_steps] =
3196                     (win->sh.width_inc * term_width) + win->sh.base_width;
3197                 win->font_steps++;
3198                 font_adjusted++;
3199                 win->last_inc = win->sh.width_inc;
3200                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3201         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3202             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3203                 win->font_steps--;
3204                 font_adjusted++;
3205                 win->last_inc = win->sh.width_inc;
3206                 fake_keypress(win, XK_KP_Add, ShiftMask);
3207         }
3208 }
3209
3210 #define SWAPXY(g)       do {                            \
3211         int tmp;                                        \
3212         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3213         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3214 } while (0)
3215 void
3216 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3217 {
3218         XWindowAttributes       wa;
3219         struct swm_geometry     win_g, r_g = *g;
3220         struct ws_win           *win, *fs_win = NULL;
3221         int                     i, j, s, stacks;
3222         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3223         int                     hrh, extra = 0, h_slice, last_h = 0;
3224         int                     split, colno, winno, mwin, msize, mscale;
3225         int                     remain, missing, v_slice, reconfigure;
3226         int                     bordered = 1;
3227
3228         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3229             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3230
3231         winno = count_win(ws, 0);
3232         if (winno == 0 && count_win(ws, 1) == 0)
3233                 return;
3234
3235         TAILQ_FOREACH(win, &ws->winlist, entry)
3236                 if (win->transient == 0 && win->floating == 0
3237                     && win->iconic == 0)
3238                         break;
3239
3240         if (win == NULL)
3241                 goto notiles;
3242
3243         if (rot) {
3244                 w_inc = win->sh.width_inc;
3245                 w_base = win->sh.base_width;
3246                 mwin = ws->l_state.horizontal_mwin;
3247                 mscale = ws->l_state.horizontal_msize;
3248                 stacks = ws->l_state.horizontal_stacks;
3249                 SWAPXY(&r_g);
3250         } else {
3251                 w_inc = win->sh.height_inc;
3252                 w_base = win->sh.base_height;
3253                 mwin = ws->l_state.vertical_mwin;
3254                 mscale = ws->l_state.vertical_msize;
3255                 stacks = ws->l_state.vertical_stacks;
3256         }
3257         win_g = r_g;
3258
3259         if (stacks > winno - mwin)
3260                 stacks = winno - mwin;
3261         if (stacks < 1)
3262                 stacks = 1;
3263
3264         h_slice = r_g.h / SWM_H_SLICE;
3265         if (mwin && winno > mwin) {
3266                 v_slice = r_g.w / SWM_V_SLICE;
3267
3268                 split = mwin;
3269                 colno = split;
3270                 win_g.w = v_slice * mscale;
3271
3272                 if (w_inc > 1 && w_inc < v_slice) {
3273                         /* adjust for window's requested size increment */
3274                         remain = (win_g.w - w_base) % w_inc;
3275                         win_g.w -= remain;
3276                 }
3277
3278                 msize = win_g.w;
3279                 if (flip)
3280                         win_g.x += r_g.w - msize;
3281         } else {
3282                 msize = -2;
3283                 colno = split = winno / stacks;
3284                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3285                     2 * border_width) / stacks);
3286         }
3287         hrh = r_g.h / colno;
3288         extra = r_g.h - (colno * hrh);
3289         win_g.h = hrh - 2 * border_width;
3290
3291         /*  stack all the tiled windows */
3292         i = j = 0, s = stacks;
3293         TAILQ_FOREACH(win, &ws->winlist, entry) {
3294                 if (win->transient != 0 || win->floating != 0)
3295                         continue;
3296                 if (win->iconic != 0)
3297                         continue;
3298
3299                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3300                         fs_win = win;
3301                         continue;
3302                 }
3303
3304                 if (split && i == split) {
3305                         colno = (winno - mwin) / stacks;
3306                         if (s <= (winno - mwin) % stacks)
3307                                 colno++;
3308                         split = split + colno;
3309                         hrh = (r_g.h / colno);
3310                         extra = r_g.h - (colno * hrh);
3311                         if (flip)
3312                                 win_g.x = r_g.x;
3313                         else
3314                                 win_g.x += win_g.w + 2 * border_width;
3315                         win_g.w = (r_g.w - msize -
3316                             (stacks * 2 * border_width)) / stacks;
3317                         if (s == 1)
3318                                 win_g.w += (r_g.w - msize -
3319                                     (stacks * 2 * border_width)) % stacks;
3320                         s--;
3321                         j = 0;
3322                 }
3323                 win_g.h = hrh - 2 * border_width;
3324                 if (rot) {
3325                         h_inc = win->sh.width_inc;
3326                         h_base = win->sh.base_width;
3327                 } else {
3328                         h_inc = win->sh.height_inc;
3329                         h_base = win->sh.base_height;
3330                 }
3331                 if (j == colno - 1) {
3332                         win_g.h = hrh + extra;
3333                 } else if (h_inc > 1 && h_inc < h_slice) {
3334                         /* adjust for window's requested size increment */
3335                         remain = (win_g.h - h_base) % h_inc;
3336                         missing = h_inc - remain;
3337
3338                         if (missing <= extra || j == 0) {
3339                                 extra -= missing;
3340                                 win_g.h += missing;
3341                         } else {
3342                                 win_g.h -= remain;
3343                                 extra += remain;
3344                         }
3345                 }
3346
3347                 if (j == 0)
3348                         win_g.y = r_g.y;
3349                 else
3350                         win_g.y += last_h + 2 * border_width;
3351
3352                 if (disable_border && bar_enabled == 0 && winno == 1){
3353                         bordered = 0;
3354                         win_g.w += 2 * border_width;
3355                         win_g.h += 2 * border_width;
3356                 } else {
3357                         bordered = 1;
3358                 }
3359                 if (rot) {
3360                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3361                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3362                                 reconfigure = 1;
3363                                 X(win) = win_g.y;
3364                                 Y(win) = win_g.x;
3365                                 WIDTH(win) = win_g.h;
3366                                 HEIGHT(win) = win_g.w;
3367                         }
3368                 } else {
3369                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3370                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3371                                 reconfigure = 1;
3372                                 X(win) = win_g.x;
3373                                 Y(win) = win_g.y;
3374                                 WIDTH(win) = win_g.w;
3375                                 HEIGHT(win) = win_g.h;
3376                         }
3377                 }
3378
3379                 if (bordered != win->bordered) {
3380                         reconfigure = 1;
3381                         win->bordered = bordered;
3382                 }
3383
3384                 if (reconfigure) {
3385                         adjust_font(win);
3386                         update_window(win);
3387                 }
3388
3389                 if (XGetWindowAttributes(display, win->id, &wa))
3390                         if (wa.map_state == IsUnmapped)
3391                                 map_window_raised(win->id);
3392
3393                 last_h = win_g.h;
3394                 i++;
3395                 j++;
3396         }
3397
3398 notiles:
3399         /* now, stack all the floaters and transients */
3400         TAILQ_FOREACH(win, &ws->winlist, entry) {
3401                 if (win->transient == 0 && win->floating == 0)
3402                         continue;
3403                 if (win->iconic == 1)
3404                         continue;
3405                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3406                         fs_win = win;
3407                         continue;
3408                 }
3409
3410                 stack_floater(win, ws->r);
3411                 map_window_raised(win->id);
3412         }
3413
3414         if (fs_win) {
3415                 stack_floater(fs_win, ws->r);
3416                 map_window_raised(fs_win->id);
3417         }
3418 }
3419
3420 void
3421 vertical_config(struct workspace *ws, int id)
3422 {
3423         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3424             id, ws->idx);
3425
3426         switch (id) {
3427         case SWM_ARG_ID_STACKRESET:
3428         case SWM_ARG_ID_STACKINIT:
3429                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3430                 ws->l_state.vertical_mwin = 1;
3431                 ws->l_state.vertical_stacks = 1;
3432                 break;
3433         case SWM_ARG_ID_MASTERSHRINK:
3434                 if (ws->l_state.vertical_msize > 1)
3435                         ws->l_state.vertical_msize--;
3436                 break;
3437         case SWM_ARG_ID_MASTERGROW:
3438                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3439                         ws->l_state.vertical_msize++;
3440                 break;
3441         case SWM_ARG_ID_MASTERADD:
3442                 ws->l_state.vertical_mwin++;
3443                 break;
3444         case SWM_ARG_ID_MASTERDEL:
3445                 if (ws->l_state.vertical_mwin > 0)
3446                         ws->l_state.vertical_mwin--;
3447                 break;
3448         case SWM_ARG_ID_STACKINC:
3449                 ws->l_state.vertical_stacks++;
3450                 break;
3451         case SWM_ARG_ID_STACKDEC:
3452                 if (ws->l_state.vertical_stacks > 1)
3453                         ws->l_state.vertical_stacks--;
3454                 break;
3455         case SWM_ARG_ID_FLIPLAYOUT:
3456                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3457                 break;
3458         default:
3459                 return;
3460         }
3461 }
3462
3463 void
3464 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3465 {
3466         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3467
3468         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3469 }
3470
3471 void
3472 horizontal_config(struct workspace *ws, int id)
3473 {
3474         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3475
3476         switch (id) {
3477         case SWM_ARG_ID_STACKRESET:
3478         case SWM_ARG_ID_STACKINIT:
3479                 ws->l_state.horizontal_mwin = 1;
3480                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3481                 ws->l_state.horizontal_stacks = 1;
3482                 break;
3483         case SWM_ARG_ID_MASTERSHRINK:
3484                 if (ws->l_state.horizontal_msize > 1)
3485                         ws->l_state.horizontal_msize--;
3486                 break;
3487         case SWM_ARG_ID_MASTERGROW:
3488                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3489                         ws->l_state.horizontal_msize++;
3490                 break;
3491         case SWM_ARG_ID_MASTERADD:
3492                 ws->l_state.horizontal_mwin++;
3493                 break;
3494         case SWM_ARG_ID_MASTERDEL:
3495                 if (ws->l_state.horizontal_mwin > 0)
3496                         ws->l_state.horizontal_mwin--;
3497                 break;
3498         case SWM_ARG_ID_STACKINC:
3499                 ws->l_state.horizontal_stacks++;
3500                 break;
3501         case SWM_ARG_ID_STACKDEC:
3502                 if (ws->l_state.horizontal_stacks > 1)
3503                         ws->l_state.horizontal_stacks--;
3504                 break;
3505         case SWM_ARG_ID_FLIPLAYOUT:
3506                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3507                 break;
3508         default:
3509                 return;
3510         }
3511 }
3512
3513 void
3514 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3515 {
3516         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3517
3518         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3519 }
3520
3521 /* fullscreen view */
3522 void
3523 max_stack(struct workspace *ws, struct swm_geometry *g)
3524 {
3525         struct swm_geometry     gg = *g;
3526         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3527         int                     winno, num_screens;
3528
3529         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3530
3531         if (ws == NULL)
3532                 return;
3533
3534         winno = count_win(ws, 0);
3535         if (winno == 0 && count_win(ws, 1) == 0)
3536                 return;
3537
3538         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3539         TAILQ_FOREACH(win, &ws->winlist, entry) {
3540                 if (win->transient) {
3541                         wintrans = win;
3542                         parent = find_window(win->transient);
3543                         continue;
3544                 }
3545
3546                 if (win->floating && win->floatmaxed == 0 ) {
3547                         /*
3548                          * retain geometry for retrieval on exit from
3549                          * max_stack mode
3550                          */
3551                         store_float_geom(win, ws->r);
3552                         win->floatmaxed = 1;
3553                 }
3554
3555                 /* only reconfigure if necessary */
3556                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3557                     HEIGHT(win) != gg.h) {
3558                         win->g = gg;
3559                         if (bar_enabled){
3560                                 win->bordered = 1;
3561                         } else {
3562                                 win->bordered = 0;
3563                                 WIDTH(win) += 2 * border_width;
3564                                 HEIGHT(win) += 2 * border_width;
3565                         }
3566
3567                         update_window(win);
3568                 }
3569                 /* unmap only if we don't have multi screen */
3570                 if (win != ws->focus)
3571                         if (!(num_screens > 1 || outputs > 1))
3572                                 unmap_window(win);
3573         }
3574
3575         /* put the last transient on top */
3576         if (wintrans) {
3577                 if (parent)
3578                         map_window_raised(parent->id);
3579                 stack_floater(wintrans, ws->r);
3580                 focus_magic(wintrans);
3581         }
3582 }
3583
3584 void
3585 send_to_ws(struct swm_region *r, union arg *args)
3586 {
3587         int                     wsid = args->id;
3588         struct ws_win           *win = NULL, *parent;
3589         struct workspace        *ws, *nws;
3590         Atom                    ws_idx_atom = 0;
3591         unsigned char           ws_idx_str[SWM_PROPLEN];
3592         union arg               a;
3593
3594         if (wsid >= workspace_limit)
3595                 return;
3596
3597         if (r && r->ws && r->ws->focus)
3598                 win = r->ws->focus;
3599         else
3600                 return;
3601         if (win == NULL)
3602                 return;
3603         if (win->ws->idx == wsid)
3604                 return;
3605
3606         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3607
3608         ws = win->ws;
3609         nws = &win->s->ws[wsid];
3610
3611         a.id = SWM_ARG_ID_FOCUSPREV;
3612         focus(r, &a);
3613         if (win->transient) {
3614                 parent = find_window(win->transient);
3615                 if (parent) {
3616                         unmap_window(parent);
3617                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3618                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3619                         parent->ws = nws;
3620                 }
3621         }
3622         unmap_window(win);
3623         TAILQ_REMOVE(&ws->winlist, win, entry);
3624         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3625         if (TAILQ_EMPTY(&ws->winlist))
3626                 r->ws->focus = NULL;
3627         win->ws = nws;
3628
3629         /* Try to update the window's workspace property */
3630         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3631         if (ws_idx_atom &&
3632             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3633                 SWM_PROPLEN) {
3634                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3635                     ws_idx_str);
3636                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3637                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
3638         }
3639
3640         stack();
3641         bar_update();
3642 }
3643
3644 void
3645 pressbutton(struct swm_region *r, union arg *args)
3646 {
3647         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3648         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3649 }
3650
3651 void
3652 raise_toggle(struct swm_region *r, union arg *args)
3653 {
3654         if (r == NULL || r->ws == NULL)
3655                 return;
3656
3657         r->ws->always_raise = !r->ws->always_raise;
3658
3659         /* bring floaters back to top */
3660         if (r->ws->always_raise == 0)
3661                 stack();
3662 }
3663
3664 void
3665 iconify(struct swm_region *r, union arg *args)
3666 {
3667         union arg a;
3668
3669         if (r->ws->focus == NULL)
3670                 return;
3671         unmap_window(r->ws->focus);
3672         update_iconic(r->ws->focus, 1);
3673         stack();
3674         if (focus_mode == SWM_FOCUS_DEFAULT)
3675                 drain_enter_notify();
3676         r->ws->focus = NULL;
3677         a.id = SWM_ARG_ID_FOCUSCUR;
3678         focus(r, &a);
3679 }
3680
3681 unsigned char *
3682 get_win_name(xcb_window_t win)
3683 {
3684         unsigned char           *prop = NULL;
3685         unsigned long           nbytes, nitems;
3686
3687         /* try _NET_WM_NAME first */
3688         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3689             &prop)) {
3690                 XFree(prop);
3691                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3692                     &nitems, NULL, &prop))
3693                         return (prop);
3694         }
3695
3696         /* fallback to WM_NAME */
3697         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3698                 return (NULL);
3699         XFree(prop);
3700         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3701                 return (prop);
3702
3703         return (NULL);
3704 }
3705
3706 void
3707 uniconify(struct swm_region *r, union arg *args)
3708 {
3709         struct ws_win           *win;
3710         FILE                    *lfile;
3711         unsigned char           *name;
3712         int                     count = 0;
3713
3714         DNPRINTF(SWM_D_MISC, "uniconify\n");
3715
3716         if (r == NULL || r->ws == NULL)
3717                 return;
3718
3719         /* make sure we have anything to uniconify */
3720         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3721                 if (win->ws == NULL)
3722                         continue; /* should never happen */
3723                 if (win->iconic == 0)
3724                         continue;
3725                 count++;
3726         }
3727         if (count == 0)
3728                 return;
3729
3730         search_r = r;
3731         search_resp_action = SWM_SEARCH_UNICONIFY;
3732
3733         spawn_select(r, args, "search", &searchpid);
3734
3735         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3736                 return;
3737
3738         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3739                 if (win->ws == NULL)
3740                         continue; /* should never happen */
3741                 if (win->iconic == 0)
3742                         continue;
3743
3744                 name = get_win_name(win->id);
3745                 if (name == NULL)
3746                         continue;
3747                 fprintf(lfile, "%s.%u\n", name, win->id);
3748                 XFree(name);
3749         }
3750
3751         fclose(lfile);
3752 }
3753
3754 void
3755 name_workspace(struct swm_region *r, union arg *args)
3756 {
3757         FILE                    *lfile;
3758
3759         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3760
3761         if (r == NULL)
3762                 return;
3763
3764         search_r = r;
3765         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3766
3767         spawn_select(r, args, "name_workspace", &searchpid);
3768
3769         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3770                 return;
3771
3772         fprintf(lfile, "%s", "");
3773         fclose(lfile);
3774 }
3775
3776 void
3777 search_workspace(struct swm_region *r, union arg *args)
3778 {
3779         int                     i;
3780         struct workspace        *ws;
3781         FILE                    *lfile;
3782
3783         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3784
3785         if (r == NULL)
3786                 return;
3787
3788         search_r = r;
3789         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3790
3791         spawn_select(r, args, "search", &searchpid);
3792
3793         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3794                 return;
3795
3796         for (i = 0; i < workspace_limit; i++) {
3797                 ws = &r->s->ws[i];
3798                 if (ws == NULL)
3799                         continue;
3800                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3801                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3802         }
3803
3804         fclose(lfile);
3805 }
3806
3807 void
3808 search_win_cleanup(void)
3809 {
3810         struct search_window    *sw = NULL;
3811
3812         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3813                 xcb_destroy_window(conn, sw->indicator);
3814                 XFreeGC(display, sw->gc);
3815                 TAILQ_REMOVE(&search_wl, sw, entry);
3816                 free(sw);
3817         }
3818 }
3819
3820 void
3821 search_win(struct swm_region *r, union arg *args)
3822 {
3823         struct ws_win           *win = NULL;
3824         struct search_window    *sw = NULL;
3825         xcb_window_t            w;
3826         XGCValues               gcv;
3827         int                     i;
3828         char                    s[8];
3829         FILE                    *lfile;
3830         size_t                  len;
3831         XRectangle              ibox, lbox;
3832
3833         DNPRINTF(SWM_D_MISC, "search_win\n");
3834
3835         search_r = r;
3836         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3837
3838         spawn_select(r, args, "search", &searchpid);
3839
3840         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3841                 return;
3842
3843         TAILQ_INIT(&search_wl);
3844
3845         i = 1;
3846         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3847                 if (win->iconic == 1)
3848                         continue;
3849
3850                 sw = calloc(1, sizeof(struct search_window));
3851                 if (sw == NULL) {
3852                         warn("search_win: calloc");
3853                         fclose(lfile);
3854                         search_win_cleanup();
3855                         return;
3856                 }
3857                 sw->idx = i;
3858                 sw->win = win;
3859
3860                 snprintf(s, sizeof s, "%d", i);
3861                 len = strlen(s);
3862
3863                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3864
3865                 w = XCreateSimpleWindow(display,
3866                     win->id, 0, 0,lbox.width + 4,
3867                     bar_fs_extents->max_logical_extent.height, 1,
3868                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3869                     r->s->c[SWM_S_COLOR_FOCUS].color);
3870
3871                 sw->indicator = w;
3872                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3873
3874                 sw->gc = XCreateGC(display, w, 0, &gcv);
3875                 map_window_raised(w);
3876                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3877
3878                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3879                     (bar_fs_extents->max_logical_extent.height -
3880                     lbox.height) / 2 - lbox.y, s, len);
3881
3882                 fprintf(lfile, "%d\n", i);
3883                 i++;
3884         }
3885
3886         fclose(lfile);
3887 }
3888
3889 void
3890 search_resp_uniconify(char *resp, unsigned long len)
3891 {
3892         unsigned char           *name;
3893         struct ws_win           *win;
3894         char                    *s;
3895
3896         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3897
3898         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3899                 if (win->iconic == 0)
3900                         continue;
3901                 name = get_win_name(win->id);
3902                 if (name == NULL)
3903                         continue;
3904                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3905                         XFree(name);
3906                         continue;
3907                 }
3908                 XFree(name);
3909                 if (strncmp(s, resp, len) == 0) {
3910                         /* XXX this should be a callback to generalize */
3911                         update_iconic(win, 0);
3912                         free(s);
3913                         break;
3914                 }
3915                 free(s);
3916         }
3917 }
3918
3919 void
3920 search_resp_name_workspace(char *resp, unsigned long len)
3921 {
3922         struct workspace        *ws;
3923
3924         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3925
3926         if (search_r->ws == NULL)
3927                 return;
3928         ws = search_r->ws;
3929
3930         if (ws->name) {
3931                 free(search_r->ws->name);
3932                 search_r->ws->name = NULL;
3933         }
3934
3935         if (len > 1) {
3936                 ws->name = strdup(resp);
3937                 if (ws->name == NULL) {
3938                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3939                             "strdup: %s", strerror(errno));
3940                         return;
3941                 }
3942         }
3943 }
3944
3945 void
3946 search_resp_search_workspace(char *resp, unsigned long len)
3947 {
3948         char                    *p, *q;
3949         int                     ws_idx;
3950         const char              *errstr;
3951         union arg               a;
3952
3953         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3954
3955         q = strdup(resp);
3956         if (!q) {
3957                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3958                     strerror(errno));
3959                 return;
3960         }
3961         p = strchr(q, ':');
3962         if (p != NULL)
3963                 *p = '\0';
3964         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3965         if (errstr) {
3966                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3967                     errstr, q);
3968                 free(q);
3969                 return;
3970         }
3971         free(q);
3972         a.id = ws_idx - 1;
3973         switchws(search_r, &a);
3974 }
3975
3976 void
3977 search_resp_search_window(char *resp, unsigned long len)
3978 {
3979         char                    *s;
3980         int                     idx;
3981         const char              *errstr;
3982         struct search_window    *sw;
3983
3984         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3985
3986         s = strdup(resp);
3987         if (!s) {
3988                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3989                     strerror(errno));
3990                 return;
3991         }
3992
3993         idx = strtonum(s, 1, INT_MAX, &errstr);
3994         if (errstr) {
3995                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3996                     errstr, s);
3997                 free(s);
3998                 return;
3999         }
4000         free(s);
4001
4002         TAILQ_FOREACH(sw, &search_wl, entry)
4003                 if (idx == sw->idx) {
4004                         focus_win(sw->win);
4005                         break;
4006                 }
4007 }
4008
4009 #define MAX_RESP_LEN    1024
4010
4011 void
4012 search_do_resp(void)
4013 {
4014         ssize_t                 rbytes;
4015         char                    *resp;
4016         unsigned long           len;
4017
4018         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4019
4020         search_resp = 0;
4021         searchpid = 0;
4022
4023         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4024                 warn("search: calloc");
4025                 goto done;
4026         }
4027
4028         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4029         if (rbytes <= 0) {
4030                 warn("search: read error");
4031                 goto done;
4032         }
4033         resp[rbytes] = '\0';
4034
4035         /* XXX:
4036          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4037          * newline, so work around that by sanitizing the resp now.
4038          */
4039         resp[strcspn(resp, "\n")] = '\0';
4040         len = strlen(resp);
4041
4042         switch (search_resp_action) {
4043         case SWM_SEARCH_UNICONIFY:
4044                 search_resp_uniconify(resp, len);
4045                 break;
4046         case SWM_SEARCH_NAME_WORKSPACE:
4047                 search_resp_name_workspace(resp, len);
4048                 break;
4049         case SWM_SEARCH_SEARCH_WORKSPACE:
4050                 search_resp_search_workspace(resp, len);
4051                 break;
4052         case SWM_SEARCH_SEARCH_WINDOW:
4053                 search_resp_search_window(resp, len);
4054                 break;
4055         }
4056
4057 done:
4058         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4059                 search_win_cleanup();
4060
4061         search_resp_action = SWM_SEARCH_NONE;
4062         close(select_resp_pipe[0]);
4063         free(resp);
4064 }
4065
4066 void
4067 wkill(struct swm_region *r, union arg *args)
4068 {
4069         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4070
4071         if (r->ws->focus == NULL)
4072                 return;
4073
4074         if (args->id == SWM_ARG_ID_KILLWINDOW)
4075                 xcb_kill_client(conn, r->ws->focus->id);
4076         else
4077                 if (r->ws->focus->can_delete)
4078                         client_msg(r->ws->focus, adelete);
4079 }
4080
4081
4082 int
4083 floating_toggle_win(struct ws_win *win)
4084 {
4085         struct swm_region       *r;
4086
4087         if (win == NULL)
4088                 return (0);
4089
4090         if (!win->ws->r)
4091                 return (0);
4092
4093         r = win->ws->r;
4094
4095         /* reject floating toggles in max stack mode */
4096         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4097                 return (0);
4098
4099         if (win->floating) {
4100                 if (!win->floatmaxed) {
4101                         /* retain position for refloat */
4102                         store_float_geom(win, r);
4103                 }
4104                 win->floating = 0;
4105         } else {
4106                 if (win->g_floatvalid) {
4107                         /* refloat at last floating relative position */
4108                         X(win) = win->g_float.x + X(r);
4109                         Y(win) = win->g_float.y + Y(r);
4110                         WIDTH(win) = win->g_float.w;
4111                         HEIGHT(win) = win->g_float.h;
4112                 }
4113                 win->floating = 1;
4114         }
4115
4116         ewmh_update_actions(win);
4117
4118         return (1);
4119 }
4120
4121 void
4122 floating_toggle(struct swm_region *r, union arg *args)
4123 {
4124         struct ws_win           *win = r->ws->focus;
4125         union arg               a;
4126
4127         if (win == NULL)
4128                 return;
4129
4130         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4131             _NET_WM_STATE_TOGGLE);
4132
4133         stack();
4134         if (focus_mode == SWM_FOCUS_DEFAULT)
4135                 drain_enter_notify();
4136
4137         if (win == win->ws->focus) {
4138                 a.id = SWM_ARG_ID_FOCUSCUR;
4139                 focus(win->ws->r, &a);
4140         }
4141 }
4142
4143 void
4144 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4145 {
4146         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4147                 if (resizable)
4148                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4149                 else
4150                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4151         }
4152
4153         if (X(win) + BORDER(win) < X(r)) {
4154                 if (resizable)
4155                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4156
4157                 X(win) = X(r) - BORDER(win);
4158         }
4159
4160         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4161                 if (resizable)
4162                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4163                 else
4164                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4165         }
4166
4167         if (Y(win) + BORDER(win) < Y(r)) {
4168                 if (resizable)
4169                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4170
4171                 Y(win) = Y(r) - BORDER(win);
4172         }
4173
4174         if (resizable) {
4175                 if (WIDTH(win) < 1)
4176                         WIDTH(win) = 1;
4177                 if (HEIGHT(win) < 1)
4178                         HEIGHT(win) = 1;
4179         }
4180 }
4181
4182 void
4183 update_window(struct ws_win *win)
4184 {
4185         uint16_t        mask;
4186         uint32_t        wc[5];
4187
4188         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4189                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4190                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4191         wc[0] = X(win);
4192         wc[1] = Y(win);
4193         wc[2] = WIDTH(win);
4194         wc[3] = HEIGHT(win);
4195         wc[4] = BORDER(win);
4196
4197         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4198             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4199             wc[3], YESNO(win->bordered));
4200
4201         xcb_configure_window(conn, win->id, mask, wc);
4202 }
4203
4204 #define SWM_RESIZE_STEPS        (50)
4205
4206 void
4207 resize(struct ws_win *win, union arg *args)
4208 {
4209         XEvent                  ev;
4210         Time                    time = 0;
4211         struct swm_region       *r = NULL;
4212         int                     resize_step = 0;
4213         Window                  rr, cr;
4214         int                     x, y, wx, wy;
4215         unsigned int            mask;
4216         struct swm_geometry     g;
4217         int                     top = 0, left = 0;
4218         int                     dx, dy;
4219         Cursor                  cursor;
4220         unsigned int            shape; /* cursor style */
4221
4222         if (win == NULL)
4223                 return;
4224         r = win->ws->r;
4225
4226         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4227                 return;
4228
4229         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
4230             "transient: 0x%lx\n", win->id, YESNO(win->floating),
4231             win->transient);
4232
4233         if (!(win->transient != 0 || win->floating != 0))
4234                 return;
4235
4236         /* reject resizes in max mode for floaters (transient ok) */
4237         if (win->floatmaxed)
4238                 return;
4239
4240         win->manual = 1;
4241         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4242             _NET_WM_STATE_ADD);
4243
4244         stack();
4245
4246         switch (args->id) {
4247         case SWM_ARG_ID_WIDTHSHRINK:
4248                 WIDTH(win) -= SWM_RESIZE_STEPS;
4249                 resize_step = 1;
4250                 break;
4251         case SWM_ARG_ID_WIDTHGROW:
4252                 WIDTH(win) += SWM_RESIZE_STEPS;
4253                 resize_step = 1;
4254                 break;
4255         case SWM_ARG_ID_HEIGHTSHRINK:
4256                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4257                 resize_step = 1;
4258                 break;
4259         case SWM_ARG_ID_HEIGHTGROW:
4260                 HEIGHT(win) += SWM_RESIZE_STEPS;
4261                 resize_step = 1;
4262                 break;
4263         default:
4264                 break;
4265         }
4266         if (resize_step) {
4267                 constrain_window(win, r, 1);
4268                 update_window(win);
4269                 store_float_geom(win,r);
4270                 return;
4271         }
4272
4273         if (focus_mode == SWM_FOCUS_DEFAULT)
4274                 drain_enter_notify();
4275
4276         /* get cursor offset from window root */
4277         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4278             return;
4279
4280         g = win->g;
4281
4282         if (wx < WIDTH(win) / 2)
4283                 left = 1;
4284
4285         if (wy < HEIGHT(win) / 2)
4286                 top = 1;
4287
4288         if (args->id == SWM_ARG_ID_CENTER)
4289                 shape = XC_sizing;
4290         else if (top)
4291                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4292         else
4293                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4294
4295         cursor = XCreateFontCursor(display, shape);
4296
4297         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4298             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4299                 XFreeCursor(display, cursor);
4300                 return;
4301         }
4302
4303         do {
4304                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4305                     SubstructureRedirectMask, &ev);
4306                 switch (ev.type) {
4307                 case ConfigureRequest:
4308                 case Expose:
4309                 case MapRequest:
4310                         handler[ev.type](&ev);
4311                         break;
4312                 case MotionNotify:
4313                         /* cursor offset/delta from start of the operation */
4314                         dx = ev.xmotion.x_root - x;
4315                         dy = ev.xmotion.y_root - y;
4316
4317                         /* vertical */
4318                         if (top)
4319                                 dy = -dy;
4320
4321                         if (args->id == SWM_ARG_ID_CENTER) {
4322                                 if (g.h / 2 + dy < 1)
4323                                         dy = 1 - g.h / 2;
4324
4325                                 Y(win) = g.y - dy;
4326                                 HEIGHT(win) = g.h + 2 * dy;
4327                         } else {
4328                                 if (g.h + dy < 1)
4329                                         dy = 1 - g.h;
4330
4331                                 if (top)
4332                                         Y(win) = g.y - dy;
4333
4334                                 HEIGHT(win) = g.h + dy;
4335                         }
4336
4337                         /* horizontal */
4338                         if (left)
4339                                 dx = -dx;
4340
4341                         if (args->id == SWM_ARG_ID_CENTER) {
4342                                 if (g.w / 2 + dx < 1)
4343                                         dx = 1 - g.w / 2;
4344
4345                                 X(win) = g.x - dx;
4346                                 WIDTH(win) = g.w + 2 * dx;
4347                         } else {
4348                                 if (g.w + dx < 1)
4349                                         dx = 1 - g.w;
4350
4351                                 if (left)
4352                                         X(win) = g.x - dx;
4353
4354                                 WIDTH(win) = g.w + dx;
4355                         }
4356
4357                         constrain_window(win, r, 1);
4358
4359                         /* not free, don't sync more than 120 times / second */
4360                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4361                                 time = ev.xmotion.time;
4362                                 XSync(display, False);
4363                                 update_window(win);
4364                         }
4365                         break;
4366                 }
4367         } while (ev.type != ButtonRelease);
4368         if (time) {
4369                 XSync(display, False);
4370                 update_window(win);
4371         }
4372         store_float_geom(win,r);
4373
4374         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4375         XFreeCursor(display, cursor);
4376
4377         /* drain events */
4378         drain_enter_notify();
4379 }
4380
4381 void
4382 resize_step(struct swm_region *r, union arg *args)
4383 {
4384         struct ws_win           *win = NULL;
4385
4386         if (r && r->ws && r->ws->focus)
4387                 win = r->ws->focus;
4388         else
4389                 return;
4390
4391         resize(win, args);
4392 }
4393
4394 #define SWM_MOVE_STEPS  (50)
4395
4396 void
4397 move(struct ws_win *win, union arg *args)
4398 {
4399         XEvent                  ev;
4400         Time                    time = 0;
4401         int                     move_step = 0;
4402         struct swm_region       *r = NULL;
4403
4404         Window                  rr, cr;
4405         int                     x, y, wx, wy;
4406         unsigned int            mask;
4407
4408         if (win == NULL)
4409                 return;
4410         r = win->ws->r;
4411
4412         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4413                 return;
4414
4415         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4416             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4417
4418         /* in max_stack mode should only move transients */
4419         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4420                 return;
4421
4422         win->manual = 1;
4423         if (win->floating == 0 && !win->transient) {
4424                 store_float_geom(win, r);
4425                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4426                     _NET_WM_STATE_ADD);
4427         }
4428         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4429             _NET_WM_STATE_ADD);
4430
4431         stack();
4432
4433         move_step = 0;
4434         switch (args->id) {
4435         case SWM_ARG_ID_MOVELEFT:
4436                 X(win) -= (SWM_MOVE_STEPS - border_width);
4437                 move_step = 1;
4438                 break;
4439         case SWM_ARG_ID_MOVERIGHT:
4440                 X(win) += (SWM_MOVE_STEPS - border_width);
4441                 move_step = 1;
4442                 break;
4443         case SWM_ARG_ID_MOVEUP:
4444                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4445                 move_step = 1;
4446                 break;
4447         case SWM_ARG_ID_MOVEDOWN:
4448                 Y(win) += (SWM_MOVE_STEPS - border_width);
4449                 move_step = 1;
4450                 break;
4451         default:
4452                 break;
4453         }
4454         if (move_step) {
4455                 constrain_window(win, r, 0);
4456                 update_window(win);
4457                 store_float_geom(win, r);
4458                 return;
4459         }
4460
4461         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4462             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4463             CurrentTime) != GrabSuccess)
4464                 return;
4465
4466         /* get cursor offset from window root */
4467         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4468             return;
4469
4470         do {
4471                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4472                     SubstructureRedirectMask, &ev);
4473                 switch (ev.type) {
4474                 case ConfigureRequest:
4475                 case Expose:
4476                 case MapRequest:
4477                         handler[ev.type](&ev);
4478                         break;
4479                 case MotionNotify:
4480                         X(win) = ev.xmotion.x_root - wx - border_width;
4481                         Y(win) = ev.xmotion.y_root - wy - border_width;
4482
4483                         constrain_window(win, r, 0);
4484
4485                         /* not free, don't sync more than 120 times / second */
4486                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4487                                 time = ev.xmotion.time;
4488                                 XSync(display, False);
4489                                 update_window(win);
4490                         }
4491                         break;
4492                 }
4493         } while (ev.type != ButtonRelease);
4494         if (time) {
4495                 XSync(display, False);
4496                 update_window(win);
4497         }
4498         store_float_geom(win, r);
4499         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4500
4501         /* drain events */
4502         drain_enter_notify();
4503 }
4504
4505 void
4506 move_step(struct swm_region *r, union arg *args)
4507 {
4508         struct ws_win           *win = NULL;
4509
4510         if (r && r->ws && r->ws->focus)
4511                 win = r->ws->focus;
4512         else
4513                 return;
4514
4515         if (!(win->transient != 0 || win->floating != 0))
4516                 return;
4517
4518         move(win, args);
4519 }
4520
4521
4522 /* user/key callable function IDs */
4523 enum keyfuncid {
4524         kf_cycle_layout,
4525         kf_flip_layout,
4526         kf_stack_reset,
4527         kf_master_shrink,
4528         kf_master_grow,
4529         kf_master_add,
4530         kf_master_del,
4531         kf_stack_inc,
4532         kf_stack_dec,
4533         kf_swap_main,
4534         kf_focus_next,
4535         kf_focus_prev,
4536         kf_swap_next,
4537         kf_swap_prev,
4538         kf_quit,
4539         kf_restart,
4540         kf_focus_main,
4541         kf_ws_1,
4542         kf_ws_2,
4543         kf_ws_3,
4544         kf_ws_4,
4545         kf_ws_5,
4546         kf_ws_6,
4547         kf_ws_7,
4548         kf_ws_8,
4549         kf_ws_9,
4550         kf_ws_10,
4551         kf_ws_11,
4552         kf_ws_12,
4553         kf_ws_13,
4554         kf_ws_14,
4555         kf_ws_15,
4556         kf_ws_16,
4557         kf_ws_17,
4558         kf_ws_18,
4559         kf_ws_19,
4560         kf_ws_20,
4561         kf_ws_21,
4562         kf_ws_22,
4563         kf_ws_next,
4564         kf_ws_prev,
4565         kf_ws_next_all,
4566         kf_ws_prev_all,
4567         kf_ws_prior,
4568         kf_screen_next,
4569         kf_screen_prev,
4570         kf_mvws_1,
4571         kf_mvws_2,
4572         kf_mvws_3,
4573         kf_mvws_4,
4574         kf_mvws_5,
4575         kf_mvws_6,
4576         kf_mvws_7,
4577         kf_mvws_8,
4578         kf_mvws_9,
4579         kf_mvws_10,
4580         kf_mvws_11,
4581         kf_mvws_12,
4582         kf_mvws_13,
4583         kf_mvws_14,
4584         kf_mvws_15,
4585         kf_mvws_16,
4586         kf_mvws_17,
4587         kf_mvws_18,
4588         kf_mvws_19,
4589         kf_mvws_20,
4590         kf_mvws_21,
4591         kf_mvws_22,
4592         kf_bar_toggle,
4593         kf_wind_kill,
4594         kf_wind_del,
4595         kf_float_toggle,
4596         kf_version,
4597         kf_spawn_custom,
4598         kf_iconify,
4599         kf_uniconify,
4600         kf_raise_toggle,
4601         kf_button2,
4602         kf_width_shrink,
4603         kf_width_grow,
4604         kf_height_shrink,
4605         kf_height_grow,
4606         kf_move_left,
4607         kf_move_right,
4608         kf_move_up,
4609         kf_move_down,
4610         kf_name_workspace,
4611         kf_search_workspace,
4612         kf_search_win,
4613         kf_dumpwins, /* MUST BE LAST */
4614         kf_invalid
4615 };
4616
4617 /* key definitions */
4618 void
4619 dummykeyfunc(struct swm_region *r, union arg *args)
4620 {
4621 };
4622
4623 struct keyfunc {
4624         char                    name[SWM_FUNCNAME_LEN];
4625         void                    (*func)(struct swm_region *r, union arg *);
4626         union arg               args;
4627 } keyfuncs[kf_invalid + 1] = {
4628         /* name                 function        argument */
4629         { "cycle_layout",       cycle_layout,   {0} },
4630         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4631         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4632         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4633         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4634         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4635         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4636         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4637         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4638         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4639         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4640         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4641         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4642         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4643         { "quit",               quit,           {0} },
4644         { "restart",            restart,        {0} },
4645         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4646         { "ws_1",               switchws,       {.id = 0} },
4647         { "ws_2",               switchws,       {.id = 1} },
4648         { "ws_3",               switchws,       {.id = 2} },
4649         { "ws_4",               switchws,       {.id = 3} },
4650         { "ws_5",               switchws,       {.id = 4} },
4651         { "ws_6",               switchws,       {.id = 5} },
4652         { "ws_7",               switchws,       {.id = 6} },
4653         { "ws_8",               switchws,       {.id = 7} },
4654         { "ws_9",               switchws,       {.id = 8} },
4655         { "ws_10",              switchws,       {.id = 9} },
4656         { "ws_11",              switchws,       {.id = 10} },
4657         { "ws_12",              switchws,       {.id = 11} },
4658         { "ws_13",              switchws,       {.id = 12} },
4659         { "ws_14",              switchws,       {.id = 13} },
4660         { "ws_15",              switchws,       {.id = 14} },
4661         { "ws_16",              switchws,       {.id = 15} },
4662         { "ws_17",              switchws,       {.id = 16} },
4663         { "ws_18",              switchws,       {.id = 17} },
4664         { "ws_19",              switchws,       {.id = 18} },
4665         { "ws_20",              switchws,       {.id = 19} },
4666         { "ws_21",              switchws,       {.id = 20} },
4667         { "ws_22",              switchws,       {.id = 21} },
4668         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4669         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4670         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4671         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4672         { "ws_prior",           priorws,        {0} },
4673         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4674         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4675         { "mvws_1",             send_to_ws,     {.id = 0} },
4676         { "mvws_2",             send_to_ws,     {.id = 1} },
4677         { "mvws_3",             send_to_ws,     {.id = 2} },
4678         { "mvws_4",             send_to_ws,     {.id = 3} },
4679         { "mvws_5",             send_to_ws,     {.id = 4} },
4680         { "mvws_6",             send_to_ws,     {.id = 5} },
4681         { "mvws_7",             send_to_ws,     {.id = 6} },
4682         { "mvws_8",             send_to_ws,     {.id = 7} },
4683         { "mvws_9",             send_to_ws,     {.id = 8} },
4684         { "mvws_10",            send_to_ws,     {.id = 9} },
4685         { "mvws_11",            send_to_ws,     {.id = 10} },
4686         { "mvws_12",            send_to_ws,     {.id = 11} },
4687         { "mvws_13",            send_to_ws,     {.id = 12} },
4688         { "mvws_14",            send_to_ws,     {.id = 13} },
4689         { "mvws_15",            send_to_ws,     {.id = 14} },
4690         { "mvws_16",            send_to_ws,     {.id = 15} },
4691         { "mvws_17",            send_to_ws,     {.id = 16} },
4692         { "mvws_18",            send_to_ws,     {.id = 17} },
4693         { "mvws_19",            send_to_ws,     {.id = 18} },
4694         { "mvws_20",            send_to_ws,     {.id = 19} },
4695         { "mvws_21",            send_to_ws,     {.id = 20} },
4696         { "mvws_22",            send_to_ws,     {.id = 21} },
4697         { "bar_toggle",         bar_toggle,     {0} },
4698         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4699         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4700         { "float_toggle",       floating_toggle,{0} },
4701         { "version",            version,        {0} },
4702         { "spawn_custom",       dummykeyfunc,   {0} },
4703         { "iconify",            iconify,        {0} },
4704         { "uniconify",          uniconify,      {0} },
4705         { "raise_toggle",       raise_toggle,   {0} },
4706         { "button2",            pressbutton,    {2} },
4707         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4708         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4709         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4710         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4711         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4712         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4713         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4714         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4715         { "name_workspace",     name_workspace, {0} },
4716         { "search_workspace",   search_workspace,       {0} },
4717         { "search_win",         search_win,     {0} },
4718         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4719         { "invalid key func",   NULL,           {0} },
4720 };
4721 struct key {
4722         RB_ENTRY(key)           entry;
4723         unsigned int            mod;
4724         KeySym                  keysym;
4725         enum keyfuncid          funcid;
4726         char                    *spawn_name;
4727 };
4728 RB_HEAD(key_tree, key);
4729
4730 int
4731 key_cmp(struct key *kp1, struct key *kp2)
4732 {
4733         if (kp1->keysym < kp2->keysym)
4734                 return (-1);
4735         if (kp1->keysym > kp2->keysym)
4736                 return (1);
4737
4738         if (kp1->mod < kp2->mod)
4739                 return (-1);
4740         if (kp1->mod > kp2->mod)
4741                 return (1);
4742
4743         return (0);
4744 }
4745
4746 RB_GENERATE(key_tree, key, entry, key_cmp);
4747 struct key_tree                 keys;
4748
4749 /* mouse */
4750 enum { client_click, root_click };
4751 struct button {
4752         unsigned int            action;
4753         unsigned int            mask;
4754         unsigned int            button;
4755         void                    (*func)(struct ws_win *, union arg *);
4756         union arg               args;
4757 } buttons[] = {
4758           /* action     key             mouse button    func    args */
4759         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4760         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4761         { client_click, MODKEY,         Button1,        move,   {0} },
4762 };
4763
4764 void
4765 update_modkey(unsigned int mod)
4766 {
4767         int                     i;
4768         struct key              *kp;
4769
4770         mod_key = mod;
4771         RB_FOREACH(kp, key_tree, &keys)
4772                 if (kp->mod & ShiftMask)
4773                         kp->mod = mod | ShiftMask;
4774                 else
4775                         kp->mod = mod;
4776
4777         for (i = 0; i < LENGTH(buttons); i++)
4778                 if (buttons[i].mask & ShiftMask)
4779                         buttons[i].mask = mod | ShiftMask;
4780                 else
4781                         buttons[i].mask = mod;
4782 }
4783
4784 /* spawn */
4785 struct spawn_prog {
4786         TAILQ_ENTRY(spawn_prog) entry;
4787         char                    *name;
4788         int                     argc;
4789         char                    **argv;
4790 };
4791 TAILQ_HEAD(spawn_list, spawn_prog);
4792 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4793
4794 int
4795 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4796     char ***ret_args)
4797 {
4798         struct spawn_prog       *prog = NULL;
4799         int                     i;
4800         char                    *ap, **real_args;
4801
4802         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4803
4804         /* find program */
4805         TAILQ_FOREACH(prog, &spawns, entry) {
4806                 if (!strcasecmp(spawn_name, prog->name))
4807                         break;
4808         }
4809         if (prog == NULL) {
4810                 warnx("spawn_custom: program %s not found", spawn_name);
4811                 return (-1);
4812         }
4813
4814         /* make room for expanded args */
4815         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4816                 err(1, "spawn_custom: calloc real_args");
4817
4818         /* expand spawn_args into real_args */
4819         for (i = 0; i < prog->argc; i++) {
4820                 ap = prog->argv[i];
4821                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4822                 if (!strcasecmp(ap, "$bar_border")) {
4823                         if ((real_args[i] =
4824                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4825                             == NULL)
4826                                 err(1,  "spawn_custom border color");
4827                 } else if (!strcasecmp(ap, "$bar_color")) {
4828                         if ((real_args[i] =
4829                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4830                             == NULL)
4831                                 err(1, "spawn_custom bar color");
4832                 } else if (!strcasecmp(ap, "$bar_font")) {
4833                         if ((real_args[i] = strdup(bar_fonts))
4834                             == NULL)
4835                                 err(1, "spawn_custom bar fonts");
4836                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4837                         if ((real_args[i] =
4838                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4839                             == NULL)
4840                                 err(1, "spawn_custom color font");
4841                 } else if (!strcasecmp(ap, "$color_focus")) {
4842                         if ((real_args[i] =
4843                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4844                             == NULL)
4845                                 err(1, "spawn_custom color focus");
4846                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4847                         if ((real_args[i] =
4848                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4849                             == NULL)
4850                                 err(1, "spawn_custom color unfocus");
4851                 } else {
4852                         /* no match --> copy as is */
4853                         if ((real_args[i] = strdup(ap)) == NULL)
4854                                 err(1, "spawn_custom strdup(ap)");
4855                 }
4856                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4857                     real_args[i]);
4858         }
4859
4860 #ifdef SWM_DEBUG
4861         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4862         for (i = 0; i < prog->argc; i++)
4863                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4864         DNPRINTF(SWM_D_SPAWN, "\n");
4865 #endif
4866         *ret_args = real_args;
4867         return (prog->argc);
4868 }
4869
4870 void
4871 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4872 {
4873         union arg               a;
4874         char                    **real_args;
4875         int                     spawn_argc, i;
4876
4877         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4878                 return;
4879         a.argv = real_args;
4880         if (fork() == 0)
4881                 spawn(r->ws->idx, &a, 1);
4882
4883         for (i = 0; i < spawn_argc; i++)
4884                 free(real_args[i]);
4885         free(real_args);
4886 }
4887
4888 void
4889 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4890 {
4891         union arg               a;
4892         char                    **real_args;
4893         int                     i, spawn_argc;
4894
4895         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4896                 return;
4897         a.argv = real_args;
4898
4899         if (pipe(select_list_pipe) == -1)
4900                 err(1, "pipe error");
4901         if (pipe(select_resp_pipe) == -1)
4902                 err(1, "pipe error");
4903
4904         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4905                 err(1, "could not disable SIGPIPE");
4906         switch (*pid = fork()) {
4907         case -1:
4908                 err(1, "cannot fork");
4909                 break;
4910         case 0: /* child */
4911                 if (dup2(select_list_pipe[0], 0) == -1)
4912                         err(1, "dup2");
4913                 if (dup2(select_resp_pipe[1], 1) == -1)
4914                         err(1, "dup2");
4915                 close(select_list_pipe[1]);
4916                 close(select_resp_pipe[0]);
4917                 spawn(r->ws->idx, &a, 0);
4918                 break;
4919         default: /* parent */
4920                 close(select_list_pipe[0]);
4921                 close(select_resp_pipe[1]);
4922                 break;
4923         }
4924
4925         for (i = 0; i < spawn_argc; i++)
4926                 free(real_args[i]);
4927         free(real_args);
4928 }
4929
4930 void
4931 spawn_insert(char *name, char *args)
4932 {
4933         char                    *arg, *cp, *ptr;
4934         struct spawn_prog       *sp;
4935
4936         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4937
4938         if ((sp = calloc(1, sizeof *sp)) == NULL)
4939                 err(1, "spawn_insert: malloc");
4940         if ((sp->name = strdup(name)) == NULL)
4941                 err(1, "spawn_insert: strdup");
4942
4943         /* convert the arguments to an argument list */
4944         if ((ptr = cp = strdup(args)) == NULL)
4945                 err(1, "spawn_insert: strdup");
4946         while ((arg = strsep(&ptr, " \t")) != NULL) {
4947                 /* empty field; skip it */
4948                 if (*arg == '\0')
4949                         continue;
4950
4951                 sp->argc++;
4952                 if ((sp->argv = realloc(sp->argv, sp->argc *
4953                     sizeof *sp->argv)) == NULL)
4954                         err(1, "spawn_insert: realloc");
4955                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4956                         err(1, "spawn_insert: strdup");
4957         }
4958         free(cp);
4959
4960         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4961         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4962 }
4963
4964 void
4965 spawn_remove(struct spawn_prog *sp)
4966 {
4967         int                     i;
4968
4969         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4970
4971         TAILQ_REMOVE(&spawns, sp, entry);
4972         for (i = 0; i < sp->argc; i++)
4973                 free(sp->argv[i]);
4974         free(sp->argv);
4975         free(sp->name);
4976         free(sp);
4977
4978         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
4979 }
4980
4981 void
4982 spawn_replace(struct spawn_prog *sp, char *name, char *args)
4983 {
4984         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
4985
4986         spawn_remove(sp);
4987         spawn_insert(name, args);
4988
4989         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
4990 }
4991
4992 void
4993 setspawn(char *name, char *args)
4994 {
4995         struct spawn_prog       *sp;
4996
4997         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
4998
4999         if (name == NULL)
5000                 return;
5001
5002         TAILQ_FOREACH(sp, &spawns, entry) {
5003                 if (!strcmp(sp->name, name)) {
5004                         if (*args == '\0')
5005                                 spawn_remove(sp);
5006                         else
5007                                 spawn_replace(sp, name, args);
5008                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5009                         return;
5010                 }
5011         }
5012         if (*args == '\0') {
5013                 warnx("error: setspawn: cannot find program: %s", name);
5014                 return;
5015         }
5016
5017         spawn_insert(name, args);
5018         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5019 }
5020
5021 int
5022 setconfspawn(char *selector, char *value, int flags)
5023 {
5024         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5025
5026         setspawn(selector, value);
5027
5028         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5029         return (0);
5030 }
5031
5032 void
5033 setup_spawn(void)
5034 {
5035         setconfspawn("term",            "xterm",                0);
5036         setconfspawn("spawn_term",      "xterm",                0);
5037         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5038         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5039         setconfspawn("lock",            "xlock",                0);
5040         setconfspawn("initscr",         "initscreen.sh",        0);
5041         setconfspawn("menu",            "dmenu_run"
5042                                         " -fn $bar_font"
5043                                         " -nb $bar_color"
5044                                         " -nf $bar_font_color"
5045                                         " -sb $bar_border"
5046                                         " -sf $bar_color",      0);
5047         setconfspawn("search",          "dmenu"
5048                                         " -i"
5049                                         " -fn $bar_font"
5050                                         " -nb $bar_color"
5051                                         " -nf $bar_font_color"
5052                                         " -sb $bar_border"
5053                                         " -sf $bar_color",      0);
5054         setconfspawn("name_workspace",  "dmenu"
5055                                         " -p Workspace"
5056                                         " -fn $bar_font"
5057                                         " -nb $bar_color"
5058                                         " -nf $bar_font_color"
5059                                         " -sb $bar_border"
5060                                         " -sf $bar_color",      0);
5061 }
5062
5063 /* key bindings */
5064 #define SWM_MODNAME_SIZE        32
5065 #define SWM_KEY_WS              "\n+ \t"
5066 int
5067 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5068 {
5069         char                    *cp, *name;
5070         KeySym                  uks;
5071         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5072         if (mod == NULL || ks == NULL) {
5073                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5074                 return (1);
5075         }
5076         if (keystr == NULL || strlen(keystr) == 0) {
5077                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5078                 return (1);
5079         }
5080         cp = keystr;
5081         *ks = NoSymbol;
5082         *mod = 0;
5083         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5084                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5085                 if (cp)
5086                         cp += (long)strspn(cp, SWM_KEY_WS);
5087                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5088                         *mod |= currmod;
5089                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5090                         *mod |= Mod1Mask;
5091                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5092                         *mod += Mod2Mask;
5093                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5094                         *mod |= Mod3Mask;
5095                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5096                         *mod |= Mod4Mask;
5097                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5098                         *mod |= ShiftMask;
5099                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5100                         *mod |= ControlMask;
5101                 else {
5102                         *ks = XStringToKeysym(name);
5103                         XConvertCase(*ks, ks, &uks);
5104                         if (ks == NoSymbol) {
5105                                 DNPRINTF(SWM_D_KEY,
5106                                     "parsekeys: invalid key %s\n",
5107                                     name);
5108                                 return (1);
5109                         }
5110                 }
5111         }
5112         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5113         return (0);
5114 }
5115
5116 char *
5117 strdupsafe(char *str)
5118 {
5119         if (str == NULL)
5120                 return (NULL);
5121         else
5122                 return (strdup(str));
5123 }
5124
5125 void
5126 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5127 {
5128         struct key              *kp;
5129
5130         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5131             keyfuncs[kfid].name, spawn_name);
5132
5133         if ((kp = malloc(sizeof *kp)) == NULL)
5134                 err(1, "key_insert: malloc");
5135
5136         kp->mod = mod;
5137         kp->keysym = ks;
5138         kp->funcid = kfid;
5139         kp->spawn_name = strdupsafe(spawn_name);
5140         RB_INSERT(key_tree, &keys, kp);
5141
5142         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5143 }
5144
5145 struct key *
5146 key_lookup(unsigned int mod, KeySym ks)
5147 {
5148         struct key              kp;
5149
5150         kp.keysym = ks;
5151         kp.mod = mod;
5152
5153         return (RB_FIND(key_tree, &keys, &kp));
5154 }
5155
5156 void
5157 key_remove(struct key *kp)
5158 {
5159         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5160
5161         RB_REMOVE(key_tree, &keys, kp);
5162         free(kp->spawn_name);
5163         free(kp);
5164
5165         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5166 }
5167
5168 void
5169 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5170     char *spawn_name)
5171 {
5172         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5173             spawn_name);
5174
5175         key_remove(kp);
5176         key_insert(mod, ks, kfid, spawn_name);
5177
5178         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5179 }
5180
5181 void
5182 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5183     char *spawn_name)
5184 {
5185         struct key              *kp;
5186
5187         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5188             keyfuncs[kfid].name, spawn_name);
5189
5190         if ((kp = key_lookup(mod, ks)) != NULL) {
5191                 if (kfid == kf_invalid)
5192                         key_remove(kp);
5193                 else
5194                         key_replace(kp, mod, ks, kfid, spawn_name);
5195                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5196                 return;
5197         }
5198         if (kfid == kf_invalid) {
5199                 warnx("error: setkeybinding: cannot find mod/key combination");
5200                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5201                 return;
5202         }
5203
5204         key_insert(mod, ks, kfid, spawn_name);
5205         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5206 }
5207
5208 int
5209 setconfbinding(char *selector, char *value, int flags)
5210 {
5211         enum keyfuncid          kfid;
5212         unsigned int            mod;
5213         KeySym                  ks;
5214         struct spawn_prog       *sp;
5215         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5216         if (selector == NULL) {
5217                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5218                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5219                         kfid = kf_invalid;
5220                         setkeybinding(mod, ks, kfid, NULL);
5221                         return (0);
5222                 } else
5223                         return (1);
5224         }
5225         /* search by key function name */
5226         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5227                 if (strncasecmp(selector, keyfuncs[kfid].name,
5228                     SWM_FUNCNAME_LEN) == 0) {
5229                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5230                             selector);
5231                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5232                                 setkeybinding(mod, ks, kfid, NULL);
5233                                 return (0);
5234                         } else
5235                                 return (1);
5236                 }
5237         }
5238         /* search by custom spawn name */
5239         TAILQ_FOREACH(sp, &spawns, entry) {
5240                 if (strcasecmp(selector, sp->name) == 0) {
5241                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5242                             selector);
5243                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5244                                 setkeybinding(mod, ks, kf_spawn_custom,
5245                                     sp->name);
5246                                 return (0);
5247                         } else
5248                                 return (1);
5249                 }
5250         }
5251         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5252         return (1);
5253 }
5254
5255 void
5256 setup_keys(void)
5257 {
5258         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5259         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5260         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5261         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5262         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5263         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5264         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5265         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5266         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5267         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5268         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5269         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5270         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5271         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5272         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5273         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5274         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5275         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5276         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5277         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5278         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5279         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5280         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5281         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5282         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5283         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5284         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5285         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5286         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5287         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5288         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5289         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5290         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5291         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5292         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5293         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5294         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5295         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5296         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5297         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5298         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5299         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5300         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5301         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5302         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5303         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5304         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5305         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5306         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5307         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5308         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5309         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5310         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5311         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5312         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5313         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5314         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5315         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5316         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5317         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5318         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5319         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5320         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5321         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5322         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5323         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5324         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5325         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5326         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5327         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5328         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5329         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5330         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5331         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5332         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5333         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5334         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5335         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5336         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5337         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5338         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5339         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5340         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5341         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5342         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5343         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5344         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5345         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5346         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5347         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5348         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5349         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5350         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5351         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5352         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5353         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5354 #ifdef SWM_DEBUG
5355         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5356 #endif
5357 }
5358
5359 void
5360 clear_keys(void)
5361 {
5362         struct key              *kp;
5363
5364         while (RB_EMPTY(&keys) == 0) {
5365                 kp = RB_ROOT(&keys);
5366                 key_remove(kp);
5367         }
5368 }
5369
5370 int
5371 setkeymapping(char *selector, char *value, int flags)
5372 {
5373         char                    keymapping_file[PATH_MAX];
5374         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5375         if (value[0] == '~')
5376                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5377                     pwd->pw_dir, &value[1]);
5378         else
5379                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5380         clear_keys();
5381         /* load new key bindings; if it fails, revert to default bindings */
5382         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5383                 clear_keys();
5384                 setup_keys();
5385         }
5386         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5387         return (0);
5388 }
5389
5390 void
5391 updatenumlockmask(void)
5392 {
5393         unsigned int            i, j;
5394         XModifierKeymap         *modmap;
5395
5396         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5397         numlockmask = 0;
5398         modmap = XGetModifierMapping(display);
5399         for (i = 0; i < 8; i++)
5400                 for (j = 0; j < modmap->max_keypermod; j++)
5401                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5402                             == XKeysymToKeycode(display, XK_Num_Lock))
5403                                 numlockmask = (1 << i);
5404
5405         XFreeModifiermap(modmap);
5406 }
5407
5408 void
5409 grabkeys(void)
5410 {
5411         int                     num_screens;
5412         unsigned int            j, k;
5413         KeyCode                 code;
5414         unsigned int            modifiers[] =
5415             { 0, LockMask, numlockmask, numlockmask | LockMask };
5416         struct key              *kp;
5417
5418         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5419         updatenumlockmask();
5420
5421         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5422         for (k = 0; k < num_screens; k++) {
5423                 if (TAILQ_EMPTY(&screens[k].rl))
5424                         continue;
5425                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5426                         XCB_MOD_MASK_ANY);
5427                 RB_FOREACH(kp, key_tree, &keys) {
5428                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5429                                 for (j = 0; j < LENGTH(modifiers); j++)
5430                                         XGrabKey(display, code,
5431                                             kp->mod | modifiers[j],
5432                                             screens[k].root, True,
5433                                             GrabModeAsync, GrabModeAsync);
5434                 }
5435         }
5436 }
5437
5438 void
5439 grabbuttons(struct ws_win *win, int focused)
5440 {
5441         unsigned int            i, j;
5442         unsigned int            modifiers[] =
5443             { 0, LockMask, numlockmask, numlockmask|LockMask };
5444
5445         updatenumlockmask();
5446         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5447                 XCB_BUTTON_MASK_ANY);
5448         if (focused) {
5449                 for (i = 0; i < LENGTH(buttons); i++)
5450                         if (buttons[i].action == client_click)
5451                                 for (j = 0; j < LENGTH(modifiers); j++)
5452                                         xcb_grab_button(conn, False, win->id,
5453                                                 BUTTONMASK,
5454                                                 XCB_GRAB_MODE_ASYNC,
5455                                                 XCB_GRAB_MODE_SYNC,
5456                                                 XCB_WINDOW_NONE,
5457                                                 XCB_CURSOR_NONE,
5458                                                 buttons[i].button,
5459                                                 buttons[i].mask);
5460         } else
5461                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5462                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5463                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5464                         XCB_BUTTON_MASK_ANY);
5465 }
5466
5467 const char *quirkname[] = {
5468         "NONE",         /* config string for "no value" */
5469         "FLOAT",
5470         "TRANSSZ",
5471         "ANYWHERE",
5472         "XTERM_FONTADJ",
5473         "FULLSCREEN",
5474         "FOCUSPREV",
5475 };
5476
5477 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5478 #define SWM_Q_WS                "\n|+ \t"
5479 int
5480 parsequirks(char *qstr, unsigned long *quirk)
5481 {
5482         char                    *cp, *name;
5483         int                     i;
5484
5485         if (quirk == NULL)
5486                 return (1);
5487
5488         cp = qstr;
5489         *quirk = 0;
5490         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5491                 if (cp)
5492                         cp += (long)strspn(cp, SWM_Q_WS);
5493                 for (i = 0; i < LENGTH(quirkname); i++) {
5494                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5495                                 DNPRINTF(SWM_D_QUIRK,
5496                                     "parsequirks: %s\n", name);
5497                                 if (i == 0) {
5498                                         *quirk = 0;
5499                                         return (0);
5500                                 }
5501                                 *quirk |= 1 << (i-1);
5502                                 break;
5503                         }
5504                 }
5505                 if (i >= LENGTH(quirkname)) {
5506                         DNPRINTF(SWM_D_QUIRK,
5507                             "parsequirks: invalid quirk [%s]\n", name);
5508                         return (1);
5509                 }
5510         }
5511         return (0);
5512 }
5513
5514 void
5515 quirk_insert(const char *class, const char *name, unsigned long quirk)
5516 {
5517         struct quirk            *qp;
5518
5519         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5520             quirk);
5521
5522         if ((qp = malloc(sizeof *qp)) == NULL)
5523                 err(1, "quirk_insert: malloc");
5524         if ((qp->class = strdup(class)) == NULL)
5525                 err(1, "quirk_insert: strdup");
5526         if ((qp->name = strdup(name)) == NULL)
5527                 err(1, "quirk_insert: strdup");
5528
5529         qp->quirk = quirk;
5530         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5531
5532         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5533 }
5534
5535 void
5536 quirk_remove(struct quirk *qp)
5537 {
5538         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5539             qp->name, qp->quirk);
5540
5541         TAILQ_REMOVE(&quirks, qp, entry);
5542         free(qp->class);
5543         free(qp->name);
5544         free(qp);
5545
5546         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5547 }
5548
5549 void
5550 quirk_replace(struct quirk *qp, const char *class, const char *name,
5551     unsigned long quirk)
5552 {
5553         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5554             qp->name, qp->quirk);
5555
5556         quirk_remove(qp);
5557         quirk_insert(class, name, quirk);
5558
5559         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5560 }
5561
5562 void
5563 setquirk(const char *class, const char *name, unsigned long quirk)
5564 {
5565         struct quirk            *qp;
5566
5567         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5568            quirk);
5569
5570         TAILQ_FOREACH(qp, &quirks, entry) {
5571                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5572                         if (!quirk)
5573                                 quirk_remove(qp);
5574                         else
5575                                 quirk_replace(qp, class, name, quirk);
5576                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5577                         return;
5578                 }
5579         }
5580         if (!quirk) {
5581                 warnx("error: setquirk: cannot find class/name combination");
5582                 return;
5583         }
5584
5585         quirk_insert(class, name, quirk);
5586         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5587 }
5588
5589 int
5590 setconfquirk(char *selector, char *value, int flags)
5591 {
5592         char                    *cp, *class, *name;
5593         int                     retval;
5594         unsigned long           quirks;
5595         if (selector == NULL)
5596                 return (0);
5597         if ((cp = strchr(selector, ':')) == NULL)
5598                 return (0);
5599         *cp = '\0';
5600         class = selector;
5601         name = cp + 1;
5602         if ((retval = parsequirks(value, &quirks)) == 0)
5603                 setquirk(class, name, quirks);
5604         return (retval);
5605 }
5606
5607 void
5608 setup_quirks(void)
5609 {
5610         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5611         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5612         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5613         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5614         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5615         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5616         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5617         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5618         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5619         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5620         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5621         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5622         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5623 }
5624
5625 /* conf file stuff */
5626 #define SWM_CONF_FILE           "spectrwm.conf"
5627 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5628
5629 enum {
5630         SWM_S_BAR_ACTION,
5631         SWM_S_BAR_AT_BOTTOM,
5632         SWM_S_BAR_BORDER_WIDTH,
5633         SWM_S_BAR_DELAY,
5634         SWM_S_BAR_ENABLED,
5635         SWM_S_BAR_FONT,
5636         SWM_S_BAR_FORMAT,
5637         SWM_S_BAR_JUSTIFY,
5638         SWM_S_BORDER_WIDTH,
5639         SWM_S_CLOCK_ENABLED,
5640         SWM_S_CLOCK_FORMAT,
5641         SWM_S_CYCLE_EMPTY,
5642         SWM_S_CYCLE_VISIBLE,
5643         SWM_S_DIALOG_RATIO,
5644         SWM_S_DISABLE_BORDER,
5645         SWM_S_FOCUS_CLOSE,
5646         SWM_S_FOCUS_CLOSE_WRAP,
5647         SWM_S_FOCUS_DEFAULT,
5648         SWM_S_FOCUS_MODE,
5649         SWM_S_SPAWN_ORDER,
5650         SWM_S_SPAWN_TERM,
5651         SWM_S_SS_APP,
5652         SWM_S_SS_ENABLED,
5653         SWM_S_STACK_ENABLED,
5654         SWM_S_TERM_WIDTH,
5655         SWM_S_TITLE_CLASS_ENABLED,
5656         SWM_S_TITLE_NAME_ENABLED,
5657         SWM_S_URGENT_ENABLED,
5658         SWM_S_VERBOSE_LAYOUT,
5659         SWM_S_WINDOW_NAME_ENABLED,
5660         SWM_S_WORKSPACE_LIMIT
5661 };
5662
5663 int
5664 setconfvalue(char *selector, char *value, int flags)
5665 {
5666         int     i;
5667         char    *b;
5668
5669         switch (flags) {
5670         case SWM_S_BAR_ACTION:
5671                 free(bar_argv[0]);
5672                 if ((bar_argv[0] = strdup(value)) == NULL)
5673                         err(1, "setconfvalue: bar_action");
5674                 break;
5675         case SWM_S_BAR_AT_BOTTOM:
5676                 bar_at_bottom = atoi(value);
5677                 break;
5678         case SWM_S_BAR_BORDER_WIDTH:
5679                 bar_border_width = atoi(value);
5680                 if (bar_border_width < 0)
5681                         bar_border_width = 0;
5682                 break;
5683         case SWM_S_BAR_DELAY:
5684                 bar_delay = atoi(value);
5685                 break;
5686         case SWM_S_BAR_ENABLED:
5687                 bar_enabled = atoi(value);
5688                 break;
5689         case SWM_S_BAR_FONT:
5690                 b = bar_fonts;
5691                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5692                         err(1, "setconfvalue: asprintf: failed to allocate "
5693                                 "memory for bar_fonts.");
5694
5695                 free(b);
5696                 break;
5697         case SWM_S_BAR_FORMAT:
5698                 free(bar_format);
5699                 if ((bar_format = strdup(value)) == NULL)
5700                         err(1, "setconfvalue: bar_format");
5701                 break;
5702         case SWM_S_BAR_JUSTIFY:
5703                 if (!strcmp(value, "left"))
5704                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5705                 else if (!strcmp(value, "center"))
5706                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5707                 else if (!strcmp(value, "right"))
5708                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5709                 else
5710                         errx(1, "invalid bar_justify");
5711                 break;
5712         case SWM_S_BORDER_WIDTH:
5713                 border_width = atoi(value);
5714                 if (border_width < 0)
5715                         border_width = 0;
5716                 break;
5717         case SWM_S_CLOCK_ENABLED:
5718                 clock_enabled = atoi(value);
5719                 break;
5720         case SWM_S_CLOCK_FORMAT:
5721 #ifndef SWM_DENY_CLOCK_FORMAT
5722                 free(clock_format);
5723                 if ((clock_format = strdup(value)) == NULL)
5724                         err(1, "setconfvalue: clock_format");
5725 #endif
5726                 break;
5727         case SWM_S_CYCLE_EMPTY:
5728                 cycle_empty = atoi(value);
5729                 break;
5730         case SWM_S_CYCLE_VISIBLE:
5731                 cycle_visible = atoi(value);
5732                 break;
5733         case SWM_S_DIALOG_RATIO:
5734                 dialog_ratio = atof(value);
5735                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5736                         dialog_ratio = .6;
5737                 break;
5738         case SWM_S_DISABLE_BORDER:
5739                 disable_border = atoi(value);
5740                 break;
5741         case SWM_S_FOCUS_CLOSE:
5742                 if (!strcmp(value, "first"))
5743                         focus_close = SWM_STACK_BOTTOM;
5744                 else if (!strcmp(value, "last"))
5745                         focus_close = SWM_STACK_TOP;
5746                 else if (!strcmp(value, "next"))
5747                         focus_close = SWM_STACK_ABOVE;
5748                 else if (!strcmp(value, "previous"))
5749                         focus_close = SWM_STACK_BELOW;
5750                 else
5751                         errx(1, "focus_close");
5752                 break;
5753         case SWM_S_FOCUS_CLOSE_WRAP:
5754                 focus_close_wrap = atoi(value);
5755                 break;
5756         case SWM_S_FOCUS_DEFAULT:
5757                 if (!strcmp(value, "last"))
5758                         focus_default = SWM_STACK_TOP;
5759                 else if (!strcmp(value, "first"))
5760                         focus_default = SWM_STACK_BOTTOM;
5761                 else
5762                         errx(1, "focus_default");
5763                 break;
5764         case SWM_S_FOCUS_MODE:
5765                 if (!strcmp(value, "default"))
5766                         focus_mode = SWM_FOCUS_DEFAULT;
5767                 else if (!strcmp(value, "follow_cursor"))
5768                         focus_mode = SWM_FOCUS_FOLLOW;
5769                 else if (!strcmp(value, "synergy"))
5770                         focus_mode = SWM_FOCUS_SYNERGY;
5771                 else
5772                         errx(1, "focus_mode");
5773                 break;
5774         case SWM_S_SPAWN_ORDER:
5775                 if (!strcmp(value, "first"))
5776                         spawn_position = SWM_STACK_BOTTOM;
5777                 else if (!strcmp(value, "last"))
5778                         spawn_position = SWM_STACK_TOP;
5779                 else if (!strcmp(value, "next"))
5780                         spawn_position = SWM_STACK_ABOVE;
5781                 else if (!strcmp(value, "previous"))
5782                         spawn_position = SWM_STACK_BELOW;
5783                 else
5784                         errx(1, "spawn_position");
5785                 break;
5786         case SWM_S_SPAWN_TERM:
5787                 setconfspawn("term", value, 0);
5788                 setconfspawn("spawn_term", value, 0);
5789                 break;
5790         case SWM_S_SS_APP:
5791                 break;
5792         case SWM_S_SS_ENABLED:
5793                 ss_enabled = atoi(value);
5794                 break;
5795         case SWM_S_STACK_ENABLED:
5796                 stack_enabled = atoi(value);
5797                 break;
5798         case SWM_S_TERM_WIDTH:
5799                 term_width = atoi(value);
5800                 if (term_width < 0)
5801                         term_width = 0;
5802                 break;
5803         case SWM_S_TITLE_CLASS_ENABLED:
5804                 title_class_enabled = atoi(value);
5805                 break;
5806         case SWM_S_TITLE_NAME_ENABLED:
5807                 title_name_enabled = atoi(value);
5808                 break;
5809         case SWM_S_URGENT_ENABLED:
5810                 urgent_enabled = atoi(value);
5811                 break;
5812         case SWM_S_VERBOSE_LAYOUT:
5813                 verbose_layout = atoi(value);
5814                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5815                         if (verbose_layout)
5816                                 layouts[i].l_string = fancy_stacker;
5817                         else
5818                                 layouts[i].l_string = plain_stacker;
5819                 }
5820                 break;
5821         case SWM_S_WINDOW_NAME_ENABLED:
5822                 window_name_enabled = atoi(value);
5823                 break;
5824         case SWM_S_WORKSPACE_LIMIT:
5825                 workspace_limit = atoi(value);
5826                 if (workspace_limit > SWM_WS_MAX)
5827                         workspace_limit = SWM_WS_MAX;
5828                 else if (workspace_limit < 1)
5829                         workspace_limit = 1;
5830                 break;
5831         default:
5832                 return (1);
5833         }
5834         return (0);
5835 }
5836
5837 int
5838 setconfmodkey(char *selector, char *value, int flags)
5839 {
5840         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5841                 update_modkey(Mod1Mask);
5842         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5843                 update_modkey(Mod2Mask);
5844         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5845                 update_modkey(Mod3Mask);
5846         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5847                 update_modkey(Mod4Mask);
5848         else
5849                 return (1);
5850         return (0);
5851 }
5852
5853 int
5854 setconfcolor(char *selector, char *value, int flags)
5855 {
5856         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5857         return (0);
5858 }
5859
5860 int
5861 setconfregion(char *selector, char *value, int flags)
5862 {
5863         custom_region(value);
5864         return (0);
5865 }
5866
5867 int
5868 setautorun(char *selector, char *value, int flags)
5869 {
5870         int                     ws_id;
5871         char                    s[1024];
5872         char                    *ap, *sp = s;
5873         union arg               a;
5874         int                     argc = 0;
5875         long                    pid;
5876         struct pid_e            *p;
5877
5878         if (getenv("SWM_STARTED"))
5879                 return (0);
5880
5881         bzero(s, sizeof s);
5882         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5883                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5884         ws_id--;
5885         if (ws_id < 0 || ws_id >= workspace_limit)
5886                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5887
5888         /*
5889          * This is a little intricate
5890          *
5891          * If the pid already exists we simply reuse it because it means it was
5892          * used before AND not claimed by manage_window.  We get away with
5893          * altering it in the parent after INSERT because this can not be a race
5894          */
5895         a.argv = NULL;
5896         while ((ap = strsep(&sp, " \t")) != NULL) {
5897                 if (*ap == '\0')
5898                         continue;
5899                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5900                 argc++;
5901                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5902                         err(1, "setautorun: realloc");
5903                 a.argv[argc - 1] = ap;
5904         }
5905
5906         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5907                 err(1, "setautorun: realloc");
5908         a.argv[argc] = NULL;
5909
5910         if ((pid = fork()) == 0) {
5911                 spawn(ws_id, &a, 1);
5912                 /* NOTREACHED */
5913                 _exit(1);
5914         }
5915         free(a.argv);
5916
5917         /* parent */
5918         p = find_pid(pid);
5919         if (p == NULL) {
5920                 p = calloc(1, sizeof *p);
5921                 if (p == NULL)
5922                         return (1);
5923                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5924         }
5925
5926         p->pid = pid;
5927         p->ws = ws_id;
5928
5929         return (0);
5930 }
5931
5932 int
5933 setlayout(char *selector, char *value, int flags)
5934 {
5935         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5936         int                     st = SWM_V_STACK, num_screens;
5937         char                    s[1024];
5938         struct workspace        *ws;
5939
5940         if (getenv("SWM_STARTED"))
5941                 return (0);
5942
5943         bzero(s, sizeof s);
5944         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5945             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5946                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5947                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5948                     "<type>'");
5949         ws_id--;
5950         if (ws_id < 0 || ws_id >= workspace_limit)
5951                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5952
5953         if (!strcasecmp(s, "vertical"))
5954                 st = SWM_V_STACK;
5955         else if (!strcasecmp(s, "vertical_flip")) {
5956                 st = SWM_V_STACK;
5957                 f = 1;
5958         } else if (!strcasecmp(s, "horizontal"))
5959                 st = SWM_H_STACK;
5960         else if (!strcasecmp(s, "horizontal_flip")) {
5961                 st = SWM_H_STACK;
5962                 f = 1;
5963         } else if (!strcasecmp(s, "fullscreen"))
5964                 st = SWM_MAX_STACK;
5965         else
5966                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5967                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5968                     "<type>'");
5969
5970         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5971         for (i = 0; i < num_screens; i++) {
5972                 ws = (struct workspace *)&screens[i].ws;
5973                 ws[ws_id].cur_layout = &layouts[st];
5974
5975                 ws[ws_id].always_raise = raise;
5976                 if (st == SWM_MAX_STACK)
5977                         continue;
5978
5979                 /* master grow */
5980                 for (x = 0; x < abs(mg); x++) {
5981                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5982                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5983                             SWM_ARG_ID_MASTERSHRINK);
5984                         stack();
5985                 }
5986                 /* master add */
5987                 for (x = 0; x < abs(ma); x++) {
5988                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5989                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5990                             SWM_ARG_ID_MASTERDEL);
5991                         stack();
5992                 }
5993                 /* stack inc */
5994                 for (x = 0; x < abs(si); x++) {
5995                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5996                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5997                             SWM_ARG_ID_STACKDEC);
5998                         stack();
5999                 }
6000                 /* Apply flip */
6001                 if (f) {
6002                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6003                             SWM_ARG_ID_FLIPLAYOUT);
6004                         stack();
6005                 }
6006         }
6007
6008         return (0);
6009 }
6010
6011 /* config options */
6012 struct config_option {
6013         char                    *optname;
6014         int                     (*func)(char*, char*, int);
6015         int                     funcflags;
6016 };
6017 struct config_option configopt[] = {
6018         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6019         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6020         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6021         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6022         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6023         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6024         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6025         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6026         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6027         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6028         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6029         { "keyboard_mapping",           setkeymapping,  0 },
6030         { "bind",                       setconfbinding, 0 },
6031         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6032         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6033         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6034         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6035         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6036         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6037         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6038         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6039         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6040         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6041         { "modkey",                     setconfmodkey,  0 },
6042         { "program",                    setconfspawn,   0 },
6043         { "quirk",                      setconfquirk,   0 },
6044         { "region",                     setconfregion,  0 },
6045         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6046         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6047         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6048         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6049         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6050         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6051         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6052         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6053         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6054         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6055         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6056         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6057         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6058         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6059         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6060         { "autorun",                    setautorun,     0 },
6061         { "layout",                     setlayout,      0 },
6062 };
6063
6064
6065 int
6066 conf_load(char *filename, int keymapping)
6067 {
6068         FILE                    *config;
6069         char                    *line, *cp, *optsub, *optval;
6070         size_t                  linelen, lineno = 0;
6071         int                     wordlen, i, optind;
6072         struct config_option    *opt;
6073
6074         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6075
6076         if (filename == NULL) {
6077                 warnx("conf_load: no filename");
6078                 return (1);
6079         }
6080         if ((config = fopen(filename, "r")) == NULL) {
6081                 warn("conf_load: fopen: %s", filename);
6082                 return (1);
6083         }
6084
6085         while (!feof(config)) {
6086                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6087                     == NULL) {
6088                         if (ferror(config))
6089                                 err(1, "%s", filename);
6090                         else
6091                                 continue;
6092                 }
6093                 cp = line;
6094                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6095                 if (cp[0] == '\0') {
6096                         /* empty line */
6097                         free(line);
6098                         continue;
6099                 }
6100                 /* get config option */
6101                 wordlen = strcspn(cp, "=[ \t\n");
6102                 if (wordlen == 0) {
6103                         warnx("%s: line %zd: no option found",
6104                             filename, lineno);
6105                         goto out;
6106                 }
6107                 optind = -1;
6108                 for (i = 0; i < LENGTH(configopt); i++) {
6109                         opt = &configopt[i];
6110                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6111                             strlen(opt->optname) == wordlen) {
6112                                 optind = i;
6113                                 break;
6114                         }
6115                 }
6116                 if (optind == -1) {
6117                         warnx("%s: line %zd: unknown option %.*s",
6118                             filename, lineno, wordlen, cp);
6119                         goto out;
6120                 }
6121                 if (keymapping && strcmp(opt->optname, "bind")) {
6122                         warnx("%s: line %zd: invalid option %.*s",
6123                             filename, lineno, wordlen, cp);
6124                         goto out;
6125                 }
6126                 cp += wordlen;
6127                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6128                 /* get [selector] if any */
6129                 optsub = NULL;
6130                 if (*cp == '[') {
6131                         cp++;
6132                         wordlen = strcspn(cp, "]");
6133                         if (*cp != ']') {
6134                                 if (wordlen == 0) {
6135                                         warnx("%s: line %zd: syntax error",
6136                                             filename, lineno);
6137                                         goto out;
6138                                 }
6139
6140                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6141                                     -1) {
6142                                         warnx("%s: line %zd: unable to allocate"
6143                                             "memory for selector", filename,
6144                                             lineno);
6145                                         goto out;
6146                                 }
6147                         }
6148                         cp += wordlen;
6149                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6150                 }
6151                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6152                 /* get RHS value */
6153                 optval = strdup(cp);
6154                 /* call function to deal with it all */
6155                 if (configopt[optind].func(optsub, optval,
6156                     configopt[optind].funcflags) != 0)
6157                         errx(1, "%s: line %zd: invalid data for %s",
6158                             filename, lineno, configopt[optind].optname);
6159                 free(optval);
6160                 free(optsub);
6161                 free(line);
6162         }
6163
6164         fclose(config);
6165         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6166
6167         return (0);
6168
6169 out:
6170         free(line);
6171         fclose(config);
6172         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6173
6174         return (1);
6175 }
6176
6177 void
6178 set_child_transient(struct ws_win *win, Window *trans)
6179 {
6180         struct ws_win           *parent, *w;
6181         XWMHints                *wmh = NULL;
6182         struct swm_region       *r;
6183         struct workspace        *ws;
6184
6185         parent = find_window(win->transient);
6186         if (parent)
6187                 parent->child_trans = win;
6188         else {
6189                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6190                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
6191
6192                 if (win->hints == NULL) {
6193                         warnx("no hints for 0x%x", win->id);
6194                         return;
6195                 }
6196
6197                 r = root_to_region(win->wa.root);
6198                 ws = r->ws;
6199                 /* parent doen't exist in our window list */
6200                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6201                         if (wmh)
6202                                 XFree(wmh);
6203
6204                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
6205                                 warnx("can't get hints for 0x%x", w->id);
6206                                 continue;
6207                         }
6208
6209                         if (win->hints->window_group != wmh->window_group)
6210                                 continue;
6211
6212                         w->child_trans = win;
6213                         win->transient = w->id;
6214                         *trans = w->id;
6215                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
6216                             "transient to 0x%x\n", win->transient);
6217                         break;
6218                 }
6219         }
6220
6221         if (wmh)
6222                 XFree(wmh);
6223 }
6224
6225 long
6226 window_get_pid(xcb_window_t win)
6227 {
6228         long                            ret = 0;
6229         const char                      *errstr;
6230         xcb_atom_t                      apid;
6231         xcb_get_property_cookie_t       pc;
6232         xcb_get_property_reply_t        *pr;
6233
6234         apid = get_atom_from_string("_NET_WM_PID");
6235         if (apid == XCB_ATOM_NONE)
6236                 goto tryharder;
6237
6238         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6239         pr = xcb_get_property_reply(conn, pc, NULL);
6240         if (!pr)
6241                 goto tryharder;
6242         if (pr->type != XCB_ATOM_CARDINAL)
6243                 goto tryharder;
6244
6245         ret = *(long *)xcb_get_property_value(pr);
6246         free(pr);
6247
6248         return (ret);
6249
6250 tryharder:
6251         apid = get_atom_from_string("_SWM_PID");
6252         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6253                 0, SWM_PROPLEN);
6254         pr = xcb_get_property_reply(conn, pc, NULL);
6255         if (!pr)
6256                 return (0);
6257         if (pr->type != XCB_ATOM_STRING)
6258                 free(pr);
6259                 return (0);
6260         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6261         free(pr);
6262
6263         return (ret);
6264 }
6265
6266 struct ws_win *
6267 manage_window(xcb_window_t id)
6268 {
6269         Window                  trans = 0;
6270         struct workspace        *ws;
6271         struct ws_win           *win, *ww;
6272         int                     format, i, ws_idx, n, border_me = 0;
6273         unsigned long           nitems, bytes;
6274         Atom                    ws_idx_atom = 0, type;
6275         Atom                    *prot = NULL, *pp;
6276         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6277         struct swm_region       *r;
6278         const char              *errstr;
6279         struct pid_e            *p;
6280         struct quirk            *qp;
6281
6282         if ((win = find_window(id)) != NULL)
6283                 return (win);   /* already being managed */
6284
6285         /* see if we are on the unmanaged list */
6286         if ((win = find_unmanaged_window(id)) != NULL) {
6287                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6288                     "window: 0x%lx\n", win->id);
6289                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6290                 if (win->transient)
6291                         set_child_transient(win, &trans);
6292
6293                 if (trans && (ww = find_window(trans)))
6294                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6295                 else if ((ww = win->ws->focus) &&
6296                     spawn_position == SWM_STACK_ABOVE)
6297                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6298                             win, entry);
6299                 else if (ww && spawn_position == SWM_STACK_BELOW)
6300                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6301                 else switch (spawn_position) {
6302                 default:
6303                 case SWM_STACK_TOP:
6304                 case SWM_STACK_ABOVE:
6305                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6306                         break;
6307                 case SWM_STACK_BOTTOM:
6308                 case SWM_STACK_BELOW:
6309                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6310                 }
6311
6312                 ewmh_update_actions(win);
6313                 return (win);
6314         }
6315
6316         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6317                 err(1, "manage_window: calloc: failed to allocate memory for "
6318                     "new window");
6319
6320         win->id = id;
6321         win->bordered = 0;
6322
6323         /* see if we need to override the workspace */
6324         p = find_pid(window_get_pid(id));
6325
6326         /* Get all the window data in one shot */
6327         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6328         if (ws_idx_atom) {
6329                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6330                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6331         }
6332         XGetWindowAttributes(display, id, &win->wa);
6333         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6334         win->hints = XGetWMHints(display, id);
6335         XGetTransientForHint(display, id, &trans);
6336         if (trans) {
6337                 win->transient = trans;
6338                 set_child_transient(win, &trans);
6339                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
6340                     "transient: 0x%lx\n", win->id, win->transient);
6341         }
6342
6343         /* get supported protocols */
6344         if (XGetWMProtocols(display, id, &prot, &n)) {
6345                 for (i = 0, pp = prot; i < n; i++, pp++) {
6346                         if (*pp == takefocus)
6347                                 win->take_focus = 1;
6348                         if (*pp == adelete)
6349                                 win->can_delete = 1;
6350                 }
6351                 if (prot)
6352                         XFree(prot);
6353         }
6354
6355         win->iconic = get_iconic(win);
6356
6357         /*
6358          * Figure out where to put the window. If it was previously assigned to
6359          * a workspace (either by spawn() or manually moving), and isn't
6360          * transient, * put it in the same workspace
6361          */
6362         r = root_to_region(win->wa.root);
6363         if (p) {
6364                 ws = &r->s->ws[p->ws];
6365                 TAILQ_REMOVE(&pidlist, p, entry);
6366                 free(p);
6367                 p = NULL;
6368         } else if (prop && win->transient == 0) {
6369                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6370                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6371                     &errstr);
6372                 if (errstr) {
6373                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6374                             errstr, prop);
6375                 }
6376                 ws = &r->s->ws[ws_idx];
6377         } else {
6378                 ws = r->ws;
6379                 /* this should launch transients in the same ws as parent */
6380                 if (id && trans)
6381                         if ((ww = find_window(trans)) != NULL)
6382                                 if (ws->r) {
6383                                         ws = ww->ws;
6384                                         if (ww->ws->r)
6385                                                 r = ww->ws->r;
6386                                         else
6387                                                 warnx("manage_window: fix this "
6388                                                     "bug mcbride");
6389                                         border_me = 1;
6390                                 }
6391         }
6392
6393         /* set up the window layout */
6394         win->id = id;
6395         win->ws = ws;
6396         win->s = r->s;  /* this never changes */
6397         if (trans && (ww = find_window(trans)))
6398                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6399         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6400                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6401                     entry);
6402         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6403                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6404         else switch (spawn_position) {
6405         default:
6406         case SWM_STACK_TOP:
6407         case SWM_STACK_ABOVE:
6408                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6409                 break;
6410         case SWM_STACK_BOTTOM:
6411         case SWM_STACK_BELOW:
6412                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6413         }
6414
6415         /* ignore window border if there is one. */
6416         WIDTH(win) = win->wa.width;
6417         HEIGHT(win) = win->wa.height;
6418         X(win) = win->wa.x + win->wa.border_width;
6419         Y(win) = win->wa.y + win->wa.border_width;
6420         win->bordered = 0;
6421         win->g_floatvalid = 0;
6422         win->floatmaxed = 0;
6423         win->ewmh_flags = 0;
6424
6425         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, (x,y) w x h: "
6426             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6427             HEIGHT(win), ws->idx);
6428
6429         constrain_window(win, r, 0);
6430
6431         /* Set window properties so we can remember this after reincarnation */
6432         if (ws_idx_atom && prop == NULL &&
6433             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6434                 SWM_PROPLEN) {
6435                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6436                     ws_idx_str);
6437                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6438                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6439         }
6440         if (prop)
6441                 XFree(prop);
6442
6443         ewmh_autoquirk(win);
6444
6445         if (XGetClassHint(display, win->id, &win->ch)) {
6446                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6447                     win->ch.res_class, win->ch.res_name);
6448
6449                 /* java is retarded so treat it special */
6450                 if (strstr(win->ch.res_name, "sun-awt")) {
6451                         win->java = 1;
6452                         border_me = 1;
6453                 }
6454
6455                 TAILQ_FOREACH(qp, &quirks, entry) {
6456                         if (!strcmp(win->ch.res_class, qp->class) &&
6457                             !strcmp(win->ch.res_name, qp->name)) {
6458                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6459                                     "class: %s, name: %s\n", win->ch.res_class,
6460                                     win->ch.res_name);
6461                                 if (qp->quirk & SWM_Q_FLOAT) {
6462                                         win->floating = 1;
6463                                         border_me = 1;
6464                                 }
6465                                 win->quirks = qp->quirk;
6466                         }
6467                 }
6468         }
6469
6470         /* alter window position if quirky */
6471         if (win->quirks & SWM_Q_ANYWHERE) {
6472                 win->manual = 1; /* don't center the quirky windows */
6473                 if (bar_enabled && Y(win) < bar_height)
6474                         Y(win) = bar_height;
6475                 if (WIDTH(win) + X(win) > WIDTH(r))
6476                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6477                 border_me = 1;
6478         }
6479
6480         /* Reset font sizes (the bruteforce way; no default keybinding). */
6481         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6482                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6483                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6484                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6485                         fake_keypress(win, XK_KP_Add, ShiftMask);
6486         }
6487
6488         ewmh_get_win_state(win);
6489         ewmh_update_actions(win);
6490         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6491
6492         /* border me */
6493         if (border_me) {
6494                 win->bordered = 1;
6495                 X(win) -= border_width;
6496                 Y(win) -= border_width;
6497                 update_window(win);
6498         }
6499
6500         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
6501             PropertyChangeMask | StructureNotifyMask);
6502
6503         /* floaters need to be mapped if they are in the current workspace */
6504         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6505                 map_window_raised(win->id);
6506
6507         return (win);
6508 }
6509
6510 void
6511 free_window(struct ws_win *win)
6512 {
6513         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
6514
6515         if (win == NULL)
6516                 return;
6517
6518         /* needed for restart wm */
6519         set_win_state(win, XCB_WM_STATE_WITHDRAWN);
6520
6521         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6522
6523         if (win->ch.res_class)
6524                 XFree(win->ch.res_class);
6525         if (win->ch.res_name)
6526                 XFree(win->ch.res_name);
6527
6528         kill_refs(win);
6529
6530         /* paint memory */
6531         memset(win, 0xff, sizeof *win); /* XXX kill later */
6532
6533         free(win);
6534 }
6535
6536 void
6537 unmanage_window(struct ws_win *win)
6538 {
6539         struct ws_win           *parent;
6540
6541         if (win == NULL)
6542                 return;
6543
6544         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
6545
6546         if (win->transient) {
6547                 parent = find_window(win->transient);
6548                 if (parent)
6549                         parent->child_trans = NULL;
6550         }
6551
6552         /* focus on root just in case */
6553         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
6554
6555         focus_prev(win);
6556
6557         if (win->hints) {
6558                 XFree(win->hints);
6559                 win->hints = NULL;
6560         }
6561
6562         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6563         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6564 }
6565
6566 void
6567 focus_magic(struct ws_win *win)
6568 {
6569         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6570
6571         if (win == NULL) {
6572                 /* if there are no windows clear the status-bar */
6573                 bar_update();
6574                 return;
6575         }
6576
6577         if (win->child_trans) {
6578                 /* win = parent & has a transient so focus on that */
6579                 if (win->java) {
6580                         focus_win(win->child_trans);
6581                         if (win->child_trans->take_focus)
6582                                 client_msg(win, takefocus);
6583                 } else {
6584                         /* make sure transient hasn't disappeared */
6585                         if (validate_win(win->child_trans) == 0) {
6586                                 focus_win(win->child_trans);
6587                                 if (win->child_trans->take_focus)
6588                                         client_msg(win->child_trans, takefocus);
6589                         } else {
6590                                 win->child_trans = NULL;
6591                                 focus_win(win);
6592                                 if (win->take_focus)
6593                                         client_msg(win, takefocus);
6594                         }
6595                 }
6596         } else {
6597                 /* regular focus */
6598                 focus_win(win);
6599                 if (win->take_focus)
6600                         client_msg(win, takefocus);
6601         }
6602 }
6603
6604 void
6605 expose(XEvent *e)
6606 {
6607         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6608 }
6609
6610 void
6611 keypress(XEvent *e)
6612 {
6613         KeySym                  keysym;
6614         XKeyEvent               *ev = &e->xkey;
6615         struct key              *kp;
6616         struct swm_region       *r;
6617
6618         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6619         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6620                 return;
6621         if (keyfuncs[kp->funcid].func == NULL)
6622                 return;
6623
6624         r = root_to_region(ev->root);
6625         if (kp->funcid == kf_spawn_custom)
6626                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6627         else
6628                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6629 }
6630
6631 void
6632 buttonpress(XEvent *e)
6633 {
6634         struct ws_win           *win;
6635         int                     i, action;
6636         XButtonPressedEvent     *ev = &e->xbutton;
6637
6638         if ((win = find_window(ev->window)) == NULL)
6639                 return;
6640
6641         focus_magic(win);
6642         action = client_click;
6643
6644         for (i = 0; i < LENGTH(buttons); i++)
6645                 if (action == buttons[i].action && buttons[i].func &&
6646                     buttons[i].button == ev->button &&
6647                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6648                         buttons[i].func(win, &buttons[i].args);
6649 }
6650
6651 void
6652 configurerequest(XEvent *e)
6653 {
6654         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6655         struct ws_win           *win;
6656         int                     new = 0;
6657         XWindowChanges          wc;
6658
6659         if ((win = find_window(ev->window)) == NULL)
6660                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6661                         new = 1;
6662
6663         if (new) {
6664                 bzero(&wc, sizeof wc);
6665                 wc.x = ev->x;
6666                 wc.y = ev->y;
6667                 wc.width = ev->width;
6668                 wc.height = ev->height;
6669                 wc.border_width = ev->border_width;
6670                 wc.sibling = ev->above;
6671                 wc.stack_mode = ev->detail;
6672
6673                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6674                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6675                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6676
6677                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6678         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6679             !(win->sh_mask & EWMH_F_FULLSCREEN)) {
6680                 win->g_float.x = ev->x - X(win->ws->r);
6681                 win->g_float.y = ev->y - Y(win->ws->r);
6682                 win->g_float.w = ev->width;
6683                 win->g_float.h = ev->height;
6684                 win->g_floatvalid = 1;
6685
6686                 if (win->floating) {
6687                         win->g = win->g_float;
6688                         win->g.x += X(win->ws->r);
6689                         win->g.y += Y(win->ws->r);
6690                         update_window(win);
6691                 } else {
6692                         config_win(win, ev);
6693                 }
6694         } else {
6695                 config_win(win, ev);
6696         }
6697 }
6698
6699 void
6700 configurenotify(XEvent *e)
6701 {
6702         struct ws_win           *win;
6703
6704         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6705             e->xconfigure.window);
6706
6707         win = find_window(e->xconfigure.window);
6708         if (win) {
6709                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6710                 adjust_font(win);
6711                 if (font_adjusted)
6712                         stack();
6713                 if (focus_mode == SWM_FOCUS_DEFAULT)
6714                         drain_enter_notify();
6715         }
6716 }
6717
6718 void
6719 destroynotify(XEvent *e)
6720 {
6721         struct ws_win           *win;
6722         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6723
6724         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6725
6726         if ((win = find_window(ev->window)) == NULL) {
6727                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6728                         return;
6729                 free_window(win);
6730                 return;
6731         }
6732
6733         /* make sure we focus on something */
6734         win->floating = 0;
6735
6736         unmanage_window(win);
6737         stack();
6738         if (focus_mode == SWM_FOCUS_DEFAULT)
6739                 drain_enter_notify();
6740         free_window(win);
6741 }
6742
6743 void
6744 enternotify(XEvent *e)
6745 {
6746         XCrossingEvent          *ev = &e->xcrossing;
6747         XEvent                  cne;
6748         struct ws_win           *win;
6749 #if 0
6750         struct ws_win           *w;
6751         Window                  focus_return;
6752         int                     revert_to_return;
6753 #endif
6754         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6755             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6756             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6757             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6758
6759         if (ev->mode != NotifyNormal) {
6760                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6761                     "cursor grab.\n");
6762                 return;
6763         }
6764
6765         switch (focus_mode) {
6766         case SWM_FOCUS_DEFAULT:
6767                 break;
6768         case SWM_FOCUS_FOLLOW:
6769                 break;
6770         case SWM_FOCUS_SYNERGY:
6771 #if 0
6772         /*
6773          * all these checks need to be in this order because the
6774          * XCheckTypedWindowEvent relies on weeding out the previous events
6775          *
6776          * making this code an option would enable a follow mouse for focus
6777          * feature
6778          */
6779
6780         /*
6781          * state is set when we are switching workspaces and focus is set when
6782          * the window or a subwindow already has focus (occurs during restart).
6783          *
6784          * Only honor the focus flag if last_focus_event is not FocusOut,
6785          * this allows spectrwm to continue to control focus when another
6786          * program is also playing with it.
6787          */
6788         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6789                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6790                 return;
6791         }
6792
6793         /*
6794          * happens when a window is created or destroyed and the border
6795          * crosses the mouse pointer and when switching ws
6796          *
6797          * we need the subwindow test to see if we came from root in order
6798          * to give focus to floaters
6799          */
6800         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6801             ev->subwindow == 0) {
6802                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6803                 return;
6804         }
6805
6806         /* this window already has focus */
6807         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6808                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6809                 return;
6810         }
6811
6812         /* this window is being deleted or moved to another ws */
6813         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6814             &cne) == True) {
6815                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6816                 XPutBackEvent(display, &cne);
6817                 return;
6818         }
6819
6820         if ((win = find_window(ev->window)) == NULL) {
6821                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6822                 return;
6823         }
6824
6825         /*
6826          * In fullstack kill all enters unless they come from a different ws
6827          * (i.e. another region) or focus has been grabbed externally.
6828          */
6829         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6830             last_focus_event != FocusOut) {
6831                 XGetInputFocus(display, &focus_return, &revert_to_return);
6832                 if ((w = find_window(focus_return)) == NULL ||
6833                     w->ws == win->ws) {
6834                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6835                         return;
6836                 }
6837         }
6838 #endif
6839                 break;
6840         }
6841
6842         if ((win = find_window(ev->window)) == NULL) {
6843                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6844                 return;
6845         }
6846
6847         /*
6848          * if we have more enternotifies let them handle it in due time
6849          */
6850         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6851                 DNPRINTF(SWM_D_EVENT,
6852                     "ignoring enternotify: got more enternotify\n");
6853                 XPutBackEvent(display, &cne);
6854                 return;
6855         }
6856
6857         focus_magic(win);
6858 }
6859
6860 /* lets us use one switch statement for arbitrary mode/detail combinations */
6861 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6862
6863 void
6864 focusevent(XEvent *e)
6865 {
6866 #if 0
6867         struct ws_win           *win;
6868         u_int32_t               mode_detail;
6869         XFocusChangeEvent       *ev = &e->xfocus;
6870
6871         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6872             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6873             ev->window, ev->mode, ev->detail);
6874
6875         if (last_focus_event == ev->type) {
6876                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6877                 return;
6878         }
6879
6880         last_focus_event = ev->type;
6881         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6882
6883         switch (mode_detail) {
6884         /* synergy client focus operations */
6885         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6886         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6887
6888         /* synergy server focus operations */
6889         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6890
6891         /* Entering applications like rdesktop that mangle the pointer */
6892         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6893
6894                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6895                         XSetWindowBorder(display, win->id,
6896                             win->ws->r->s->c[ev->type == FocusIn ?
6897                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6898                 break;
6899         default:
6900                 warnx("ignoring focusevent");
6901                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6902                 break;
6903         }
6904 #endif
6905 }
6906
6907 void
6908 mapnotify(XEvent *e)
6909 {
6910         struct ws_win           *win;
6911         XMapEvent               *ev = &e->xmap;
6912
6913         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6914
6915         win = manage_window(ev->window);
6916         if (win)
6917                 set_win_state(win, XCB_WM_STATE_NORMAL);
6918
6919         /*
6920          * focus_win can only set input focus on a mapped window.
6921          * make sure the window really has focus since it is just being mapped.
6922          */
6923         if (win->ws->focus == win)
6924                 focus_win(win);
6925 }
6926
6927 void
6928 mappingnotify(XEvent *e)
6929 {
6930         XMappingEvent           *ev = &e->xmapping;
6931
6932         XRefreshKeyboardMapping(ev);
6933         if (ev->request == MappingKeyboard)
6934                 grabkeys();
6935 }
6936
6937 void
6938 maprequest(XEvent *e)
6939 {
6940         struct ws_win           *win;
6941         struct swm_region       *r;
6942         XWindowAttributes       wa;
6943         XMapRequestEvent        *ev = &e->xmaprequest;
6944
6945         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6946             e->xmaprequest.window);
6947
6948         if (!XGetWindowAttributes(display, ev->window, &wa))
6949                 return;
6950         if (wa.override_redirect)
6951                 return;
6952
6953         win = manage_window(e->xmaprequest.window);
6954         if (win == NULL)
6955                 return; /* can't happen */
6956
6957         stack();
6958
6959         /* make new win focused */
6960         r = root_to_region(win->wa.root);
6961         if (win->ws == r->ws)
6962                 focus_magic(win);
6963 }
6964
6965 void
6966 propertynotify(XEvent *e)
6967 {
6968         struct ws_win           *win;
6969         XPropertyEvent          *ev = &e->xproperty;
6970 #ifdef SWM_DEBUG
6971         char                    *name;
6972         name = XGetAtomName(display, ev->atom);
6973         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6974             ev->window, name);
6975         XFree(name);
6976 #endif
6977
6978         win = find_window(ev->window);
6979         if (win == NULL)
6980                 return;
6981
6982         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6983                 update_iconic(win, 0);
6984                 map_window_raised(win->id);
6985                 stack();
6986                 focus_win(win);
6987                 return;
6988         }
6989
6990         switch (ev->atom) {
6991 #if 0
6992         case XA_WM_NORMAL_HINTS:
6993                 long            mask;
6994                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6995                 warnx("normal hints: flag 0x%x", win->sh.flags);
6996                 if (win->sh.flags & PMinSize) {
6997                         WIDTH(win) = win->sh.min_width;
6998                         HEIGHT(win) = win->sh.min_height;
6999                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7000                 }
7001                 XMoveResizeWindow(display, win->id,
7002                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7003 #endif
7004         case XA_WM_CLASS:
7005         case XA_WM_NAME:
7006                 bar_update();
7007                 break;
7008         default:
7009                 break;
7010         }
7011 }
7012
7013 void
7014 unmapnotify(XEvent *e)
7015 {
7016         struct ws_win           *win;
7017
7018         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7019
7020         /* determine if we need to help unmanage this window */
7021         win = find_window(e->xunmap.window);
7022         if (win == NULL)
7023                 return;
7024
7025         if (getstate(e->xunmap.window) == XCB_WM_STATE_NORMAL) {
7026                 unmanage_window(win);
7027                 stack();
7028
7029                 /* giant hack for apps that don't destroy transient windows */
7030                 /* eat a bunch of events to prevent remanaging the window */
7031                 XEvent                  cne;
7032                 while (XCheckWindowEvent(display, e->xunmap.window,
7033                     EnterWindowMask, &cne))
7034                         ;
7035                 while (XCheckWindowEvent(display, e->xunmap.window,
7036                     StructureNotifyMask, &cne))
7037                         ;
7038                 while (XCheckWindowEvent(display, e->xunmap.window,
7039                     SubstructureNotifyMask, &cne))
7040                         ;
7041                 /* resend unmap because we ated it */
7042                 XUnmapWindow(display, e->xunmap.window);
7043         }
7044
7045         if (focus_mode == SWM_FOCUS_DEFAULT)
7046                 drain_enter_notify();
7047 }
7048
7049 void
7050 visibilitynotify(XEvent *e)
7051 {
7052         int                     i, num_screens;
7053         struct swm_region       *r;
7054
7055         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7056             e->xvisibility.window);
7057
7058         if (e->xvisibility.state == VisibilityUnobscured) {
7059                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7060                 for (i = 0; i < num_screens; i++)
7061                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7062                                 if (e->xvisibility.window == WINID(r->bar))
7063                                         bar_update();
7064         }
7065 }
7066
7067 void
7068 clientmessage(XEvent *e)
7069 {
7070         XClientMessageEvent     *ev;
7071         struct ws_win           *win;
7072
7073         ev = &e->xclient;
7074
7075         win = find_window(ev->window);
7076         if (win == NULL) {
7077                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7078                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7079                             "unmanaged window.\n");
7080                         e->xmaprequest.window = ev->window;
7081                         maprequest(e);
7082                 }
7083                 return;
7084         }
7085
7086         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7087             ev->window, ev->message_type);
7088
7089         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7090                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7091                 focus_win(win);
7092         }
7093         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7094                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7095                 if (win->can_delete)
7096                         client_msg(win, adelete);
7097                 else
7098                         xcb_kill_client(conn, win->id);
7099         }
7100         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7101                 DNPRINTF(SWM_D_EVENT,
7102                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7103                 if (win->floating) {
7104                         if (ev->data.l[0] & (1<<8)) /* x */
7105                                 X(win) = ev->data.l[1];
7106                         if (ev->data.l[0] & (1<<9)) /* y */
7107                                 Y(win) = ev->data.l[2];
7108                         if (ev->data.l[0] & (1<<10)) /* width */
7109                                 WIDTH(win) = ev->data.l[3];
7110                         if (ev->data.l[0] & (1<<11)) /* height */
7111                                 HEIGHT(win) = ev->data.l[4];
7112
7113                         update_window(win);
7114                 }
7115                 else {
7116                         /* TODO: Change stack sizes */
7117                         /* notify no change was made. */
7118                         config_win(win, NULL);
7119                 }
7120         }
7121         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7122                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7123                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7124                 if (ev->data.l[2])
7125                         ewmh_update_win_state(win, ev->data.l[2],
7126                             ev->data.l[0]);
7127
7128                 stack();
7129         }
7130 }
7131
7132 int
7133 xerror_start(Display *d, XErrorEvent *ee)
7134 {
7135         other_wm = 1;
7136         return (-1);
7137 }
7138
7139 int
7140 xerror(Display *d, XErrorEvent *ee)
7141 {
7142         /* warnx("error: %p %p", display, ee); */
7143         return (-1);
7144 }
7145
7146 int
7147 active_wm(void)
7148 {
7149         other_wm = 0;
7150         xerrorxlib = XSetErrorHandler(xerror_start);
7151
7152         /* this causes an error if some other window manager is running */
7153         XSelectInput(display, DefaultRootWindow(display),
7154             SubstructureRedirectMask);
7155         XSync(display, False);
7156         if (other_wm)
7157                 return (1);
7158
7159         XSetErrorHandler(xerror);
7160         XSync(display, False);
7161         return (0);
7162 }
7163
7164 void
7165 new_region(struct swm_screen *s, int x, int y, int w, int h)
7166 {
7167         struct swm_region       *r, *n;
7168         struct workspace        *ws = NULL;
7169         int                     i;
7170
7171         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7172              s->idx, w, h, x, y);
7173
7174         /* remove any conflicting regions */
7175         n = TAILQ_FIRST(&s->rl);
7176         while (n) {
7177                 r = n;
7178                 n = TAILQ_NEXT(r, entry);
7179                 if (X(r) < (x + w) &&
7180                     (X(r) + WIDTH(r)) > x &&
7181                     Y(r) < (y + h) &&
7182                     (Y(r) + HEIGHT(r)) > y) {
7183                         if (r->ws->r != NULL)
7184                                 r->ws->old_r = r->ws->r;
7185                         r->ws->r = NULL;
7186                         bar_cleanup(r);
7187                         TAILQ_REMOVE(&s->rl, r, entry);
7188                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7189                 }
7190         }
7191
7192         /* search old regions for one to reuse */
7193
7194         /* size + location match */
7195         TAILQ_FOREACH(r, &s->orl, entry)
7196                 if (X(r) == x && Y(r) == y &&
7197                     HEIGHT(r) == h && WIDTH(r) == w)
7198                         break;
7199
7200         /* size match */
7201         TAILQ_FOREACH(r, &s->orl, entry)
7202                 if (HEIGHT(r) == h && WIDTH(r) == w)
7203                         break;
7204
7205         if (r != NULL) {
7206                 TAILQ_REMOVE(&s->orl, r, entry);
7207                 /* try to use old region's workspace */
7208                 if (r->ws->r == NULL)
7209                         ws = r->ws;
7210         } else
7211                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7212                         err(1, "new_region: calloc: failed to allocate memory "
7213                             "for screen");
7214
7215         /* if we don't have a workspace already, find one */
7216         if (ws == NULL) {
7217                 for (i = 0; i < workspace_limit; i++)
7218                         if (s->ws[i].r == NULL) {
7219                                 ws = &s->ws[i];
7220                                 break;
7221                         }
7222         }
7223
7224         if (ws == NULL)
7225                 errx(1, "new_region: no free workspaces");
7226
7227         X(r) = x;
7228         Y(r) = y;
7229         WIDTH(r) = w;
7230         HEIGHT(r) = h;
7231         r->s = s;
7232         r->ws = ws;
7233         r->ws_prior = NULL;
7234         ws->r = r;
7235         outputs++;
7236         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7237 }
7238
7239 void
7240 scan_xrandr(int i)
7241 {
7242 #ifdef SWM_XRR_HAS_CRTC
7243         int                     c;
7244         int                     ncrtc = 0;
7245 #endif /* SWM_XRR_HAS_CRTC */
7246         struct swm_region       *r;
7247         int                     num_screens;
7248         xcb_randr_get_screen_resources_cookie_t src;
7249         xcb_randr_get_screen_resources_reply_t  *srr;
7250         xcb_randr_get_crtc_info_cookie_t        cic;
7251         xcb_randr_get_crtc_info_reply_t         *cir;
7252         xcb_randr_crtc_t        *crtc;
7253
7254         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7255         if (i >= num_screens)
7256                 errx(1, "scan_xrandr: invalid screen");
7257
7258         /* remove any old regions */
7259         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7260                 r->ws->old_r = r->ws->r = NULL;
7261                 bar_cleanup(r);
7262                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7263                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7264         }
7265         outputs = 0;
7266
7267         /* map virtual screens onto physical screens */
7268 #ifdef SWM_XRR_HAS_CRTC
7269         if (xrandr_support) {
7270                 src = xcb_randr_get_screen_resources(conn, screens[i].root);
7271                 srr = xcb_randr_get_screen_resources_reply(conn, src, NULL);
7272                 if (srr == NULL)
7273                         new_region(&screens[i], 0, 0,
7274                             DisplayWidth(display, i),
7275                             DisplayHeight(display, i));
7276                 else
7277                         ncrtc = srr->num_crtcs;
7278                 for (c = 0; c < ncrtc; c++) {
7279                         crtc = xcb_randr_get_screen_resources_crtcs(srr);
7280                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7281                                 XCB_CURRENT_TIME);
7282                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7283                         if (cir && cir->num_outputs == 0)
7284                                 continue;
7285
7286                         if (cir == NULL || cir->mode == 0)
7287                                 new_region(&screens[i], 0, 0,
7288                                     DisplayWidth(display, i),
7289                                     DisplayHeight(display, i));
7290                         else
7291                                 new_region(&screens[i],
7292                                     cir->x, cir->y, cir->width, cir->height);
7293                 }
7294                 if (srr)
7295                         free(srr);
7296                 if (cir)
7297                         free(cir);
7298         } else
7299 #endif /* SWM_XRR_HAS_CRTC */
7300         {
7301                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
7302                     DisplayHeight(display, i));
7303         }
7304 }
7305
7306 void
7307 screenchange(XEvent *e)
7308 {
7309         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7310         struct swm_region               *r;
7311         int                             i, num_screens;
7312
7313         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7314
7315         if (!XRRUpdateConfiguration(e))
7316                 return;
7317
7318         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7319         /* silly event doesn't include the screen index */
7320         for (i = 0; i < num_screens; i++)
7321                 if (screens[i].root == xe->root)
7322                         break;
7323         if (i >= num_screens)
7324                 errx(1, "screenchange: screen not found");
7325
7326         /* brute force for now, just re-enumerate the regions */
7327         scan_xrandr(i);
7328
7329         /* add bars to all regions */
7330         for (i = 0; i < num_screens; i++)
7331                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7332                         bar_setup(r);
7333         stack();
7334         if (focus_mode == SWM_FOCUS_DEFAULT)
7335                 drain_enter_notify();
7336 }
7337
7338 void
7339 grab_windows(void)
7340 {
7341         xcb_window_t            *wins   = NULL;
7342         int                     no;
7343         int                     i, j, num_screens;
7344         uint16_t                state, manage;
7345
7346         xcb_query_tree_cookie_t                 qtc;
7347         xcb_query_tree_reply_t                  *qtr;
7348         xcb_get_window_attributes_cookie_t      c;
7349         xcb_get_window_attributes_reply_t       *r;
7350         xcb_get_property_cookie_t               pc;
7351
7352         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7353         for (i = 0; i < num_screens; i++) {
7354                 qtc = xcb_query_tree(conn, screens[i].root);
7355                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7356                 if (!qtr)
7357                         continue;
7358                 wins = xcb_query_tree_children(qtr);
7359                 no = xcb_query_tree_children_length(qtr);
7360                 /* attach windows to a region */
7361                 /* normal windows */
7362                 for (j = 0; j < no; j++) {
7363                         c = xcb_get_window_attributes(conn, wins[j]);
7364                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7365                         if (!r)
7366                                 continue;
7367                         if (r->override_redirect) {
7368                                 free(r);
7369                                 continue;
7370                         }
7371
7372                         pc = xcb_get_wm_transient_for(conn, wins[j]);
7373                         if (xcb_get_wm_transient_for_reply(conn, pc, &wins[j],
7374                                         NULL)) {
7375                                 free(r);
7376                                 continue;
7377                         }
7378
7379                         state = getstate(wins[j]);
7380                         manage = state == XCB_WM_STATE_ICONIC;
7381                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7382                                 manage_window(wins[j]);
7383                         free(r);
7384                 }
7385                 /* transient windows */
7386                 for (j = 0; j < no; j++) {
7387                         c = xcb_get_window_attributes(conn, wins[j]);
7388                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7389                         if (!r)
7390                                 continue;
7391                         if (r->override_redirect) {
7392                                 free(r);
7393                                 continue;
7394                         }
7395                         free(r);
7396
7397                         state = getstate(wins[j]);
7398                         manage = state == XCB_WM_STATE_ICONIC;
7399                         pc = xcb_get_wm_transient_for(conn, wins[j]);
7400                         if (xcb_get_wm_transient_for_reply(conn, pc, &wins[j],
7401                                         NULL) && manage)
7402                                 manage_window(wins[j]);
7403                 }
7404                 free(qtr);
7405         }
7406 }
7407
7408 void
7409 setup_screens(void)
7410 {
7411         int                     i, j, k, num_screens;
7412         int                     errorbase;
7413         struct workspace        *ws;
7414         XGCValues               gcv;
7415
7416         xcb_randr_query_version_cookie_t        c;
7417         xcb_randr_query_version_reply_t         *r;
7418
7419         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7420         if ((screens = calloc(num_screens,
7421              sizeof(struct swm_screen))) == NULL)
7422                 err(1, "setup_screens: calloc: failed to allocate memory for "
7423                     "screens");
7424
7425         /* initial Xrandr setup */
7426         xrandr_support = XRRQueryExtension(display,
7427             &xrandr_eventbase, &errorbase);
7428         if (xrandr_support) {
7429                 c = xcb_randr_query_version(conn, True, False);
7430                 r = xcb_randr_query_version_reply(conn, c, NULL);
7431                 if (r) {
7432                         if (r->major_version < 1)
7433                                 xrandr_support = 0;
7434                         free(r);
7435                 } else
7436                         xrandr_support = 0;
7437         }
7438
7439         /* map physical screens */
7440         for (i = 0; i < num_screens; i++) {
7441                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7442                 screens[i].idx = i;
7443                 TAILQ_INIT(&screens[i].rl);
7444                 TAILQ_INIT(&screens[i].orl);
7445                 screens[i].root = RootWindow(display, i);
7446
7447                 /* set default colors */
7448                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7449                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7450                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7451                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7452                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7453
7454                 /* create graphics context on screen */
7455                 gcv.graphics_exposures = 0;
7456                 screens[i].bar_gc = XCreateGC(display, screens[i].root,
7457                         GCGraphicsExposures, &gcv);
7458
7459                 /* set default cursor */
7460                 XDefineCursor(display, screens[i].root,
7461                     XCreateFontCursor(display, XC_left_ptr));
7462
7463                 /* init all workspaces */
7464                 /* XXX these should be dynamically allocated too */
7465                 for (j = 0; j < SWM_WS_MAX; j++) {
7466                         ws = &screens[i].ws[j];
7467                         ws->idx = j;
7468                         ws->name = NULL;
7469                         ws->focus = NULL;
7470                         ws->r = NULL;
7471                         ws->old_r = NULL;
7472                         TAILQ_INIT(&ws->winlist);
7473                         TAILQ_INIT(&ws->unmanagedlist);
7474
7475                         for (k = 0; layouts[k].l_stack != NULL; k++)
7476                                 if (layouts[k].l_config != NULL)
7477                                         layouts[k].l_config(ws,
7478                                             SWM_ARG_ID_STACKINIT);
7479                         ws->cur_layout = &layouts[0];
7480                         ws->cur_layout->l_string(ws);
7481                 }
7482
7483                 scan_xrandr(i);
7484
7485                 if (xrandr_support)
7486                         xcb_randr_select_input(conn, screens[i].root,
7487                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7488         }
7489 }
7490
7491 void
7492 setup_globals(void)
7493 {
7494         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7495                 err(1, "setup_globals: strdup: failed to allocate memory.");
7496
7497         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7498                 err(1, "setup_globals: strdup: failed to allocate memory.");
7499 }
7500
7501 void
7502 workaround(void)
7503 {
7504         int                     i, num_screens;
7505         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7506         xcb_window_t            root, win;
7507
7508         /* work around sun jdk bugs, code from wmname */
7509         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7510         netwmname = get_atom_from_string("_NET_WM_NAME");
7511         utf8_string = get_atom_from_string("UTF8_STRING");
7512
7513         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7514         for (i = 0; i < num_screens; i++) {
7515                 root = screens[i].root;
7516                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
7517                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
7518                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
7519
7520                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7521                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7522                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7523                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7524                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7525                         netwmcheck, utf8_string, 8, strlen("LG3D"), "LG3D");
7526         }
7527 }
7528
7529 int
7530 main(int argc, char *argv[])
7531 {
7532         struct swm_region       *r, *rr;
7533         struct ws_win           *winfocus = NULL;
7534         struct timeval          tv;
7535         union arg               a;
7536         char                    conf[PATH_MAX], *cfile = NULL;
7537         struct stat             sb;
7538         XEvent                  e;
7539         int                     xfd, i, num_screens;
7540         fd_set                  rd;
7541         struct sigaction        sact;
7542         xcb_generic_event_t     *evt;
7543
7544         start_argv = argv;
7545         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7546         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7547             !XSupportsLocale())
7548                 warnx("no locale support");
7549
7550         if (!X_HAVE_UTF8_STRING)
7551                 warnx("no UTF-8 support");
7552
7553         if (!(display = XOpenDisplay(0)))
7554                 errx(1, "can not open display");
7555
7556         if (!(conn = XGetXCBConnection(display)))
7557                 errx(1, "can not get XCB connection");
7558
7559         if (active_wm())
7560                 errx(1, "other wm running");
7561
7562         /* handle some signals */
7563         bzero(&sact, sizeof(sact));
7564         sigemptyset(&sact.sa_mask);
7565         sact.sa_flags = 0;
7566         sact.sa_handler = sighdlr;
7567         sigaction(SIGINT, &sact, NULL);
7568         sigaction(SIGQUIT, &sact, NULL);
7569         sigaction(SIGTERM, &sact, NULL);
7570         sigaction(SIGHUP, &sact, NULL);
7571
7572         sact.sa_handler = sighdlr;
7573         sact.sa_flags = SA_NOCLDSTOP;
7574         sigaction(SIGCHLD, &sact, NULL);
7575
7576         astate = get_atom_from_string("WM_STATE");
7577         aprot = get_atom_from_string("WM_PROTOCOLS");
7578         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7579         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7580         a_wmname = get_atom_from_string("WM_NAME");
7581         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7582         a_utf8_string = get_atom_from_string("UTF8_STRING");
7583         a_string = get_atom_from_string("STRING");
7584         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7585
7586         /* look for local and global conf file */
7587         pwd = getpwuid(getuid());
7588         if (pwd == NULL)
7589                 errx(1, "invalid user: %d", getuid());
7590
7591         setup_globals();
7592         setup_screens();
7593         setup_keys();
7594         setup_quirks();
7595         setup_spawn();
7596
7597         /* load config */
7598         for (i = 0; ; i++) {
7599                 conf[0] = '\0';
7600                 switch (i) {
7601                 case 0:
7602                         /* ~ */
7603                         snprintf(conf, sizeof conf, "%s/.%s",
7604                             pwd->pw_dir, SWM_CONF_FILE);
7605                         break;
7606                 case 1:
7607                         /* global */
7608                         snprintf(conf, sizeof conf, "/etc/%s",
7609                             SWM_CONF_FILE);
7610                         break;
7611                 case 2:
7612                         /* ~ compat */
7613                         snprintf(conf, sizeof conf, "%s/.%s",
7614                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7615                         break;
7616                 case 3:
7617                         /* global compat */
7618                         snprintf(conf, sizeof conf, "/etc/%s",
7619                             SWM_CONF_FILE_OLD);
7620                         break;
7621                 default:
7622                         goto noconfig;
7623                 }
7624
7625                 if (strlen(conf) && stat(conf, &sb) != -1)
7626                         if (S_ISREG(sb.st_mode)) {
7627                                 cfile = conf;
7628                                 break;
7629                         }
7630         }
7631 noconfig:
7632
7633         /* load conf (if any) */
7634         if (cfile)
7635                 conf_load(cfile, SWM_CONF_DEFAULT);
7636
7637         setup_ewmh();
7638         /* set some values to work around bad programs */
7639         workaround();
7640         /* grab existing windows (before we build the bars) */
7641         grab_windows();
7642
7643         if (getenv("SWM_STARTED") == NULL)
7644                 setenv("SWM_STARTED", "YES", 1);
7645
7646         /* setup all bars */
7647         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7648         for (i = 0; i < num_screens; i++)
7649                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7650                         if (winfocus == NULL)
7651                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7652                         bar_setup(r);
7653                 }
7654
7655         unfocus_all();
7656
7657         grabkeys();
7658         stack();
7659         if (focus_mode == SWM_FOCUS_DEFAULT)
7660                 drain_enter_notify();
7661
7662         xfd = xcb_get_file_descriptor(conn);
7663         while (running) {
7664                 while ((evt = xcb_poll_for_event(conn)) == 0) {
7665                         XNextEvent(display, &e);
7666                         if (running == 0)
7667                                 goto done;
7668                         if (e.type < LASTEvent) {
7669                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7670                                     "window: 0x%lx, type: %s (%d), %d remaining"
7671                                     "\n", YESNO(handler[e.type]),
7672                                     e.xany.window, geteventname(&e),
7673                                     e.type, QLength(display));
7674
7675                                 if (handler[e.type])
7676                                         handler[e.type](&e);
7677                         } else {
7678                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7679                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7680                                     xrandr_geteventname(&e), e.type);
7681
7682                                 switch (e.type - xrandr_eventbase) {
7683                                 case RRScreenChangeNotify:
7684                                         screenchange(&e);
7685                                         break;
7686                                 default:
7687                                         break;
7688                                 }
7689                         }
7690                 }
7691
7692                 /* if we are being restarted go focus on first window */
7693                 if (winfocus) {
7694                         rr = winfocus->ws->r;
7695                         if (rr == NULL) {
7696                                 /* not a visible window */
7697                                 winfocus = NULL;
7698                                 continue;
7699                         }
7700                         /* move pointer to first screen if multi screen */
7701                         if (num_screens > 1 || outputs > 1)
7702                                 XWarpPointer(display, None, rr->s[0].root,
7703                                     0, 0, 0, 0, X(rr),
7704                                     Y(rr) + (bar_enabled ? bar_height : 0));
7705
7706                         a.id = SWM_ARG_ID_FOCUSCUR;
7707                         focus(rr, &a);
7708                         winfocus = NULL;
7709                         continue;
7710                 }
7711
7712                 FD_ZERO(&rd);
7713                 FD_SET(xfd, &rd);
7714                 tv.tv_sec = 1;
7715                 tv.tv_usec = 0;
7716                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7717                         if (errno != EINTR)
7718                                 DNPRINTF(SWM_D_MISC, "select failed");
7719                 if (restart_wm == 1)
7720                         restart(NULL, NULL);
7721                 if (search_resp == 1)
7722                         search_do_resp();
7723                 if (running == 0)
7724                         goto done;
7725                 if (bar_alarm) {
7726                         bar_alarm = 0;
7727                         bar_update();
7728                 }
7729         }
7730 done:
7731         teardown_ewmh();
7732         bar_extra_stop();
7733
7734         for (i = 0; i < num_screens; ++i)
7735                 if (screens[i].bar_gc != NULL)
7736                         XFreeGC(display, screens[i].bar_gc);
7737         XFreeFontSet(display, bar_fs);
7738         xcb_disconnect(conn);
7739         XCloseDisplay(display);
7740
7741         return (0);
7742 }