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 <X11/Xproto.h>
  95 #include <X11/Xutil.h>
  96 #include <X11/extensions/Xrandr.h>
  97 #include <X11/extensions/XTest.h>
  98
  99 #ifdef __OSX__
 100 #include <osx.h>
 101 #endif
 102
 103 #include "version.h"
 104
 105 #ifdef SPECTRWM_BUILDSTR
 106 static const char       *buildstr = SPECTRWM_BUILDSTR;
 107 #else
 108 static const char       *buildstr = SPECTRWM_VERSION;
 109 #endif
 110
 111 #if RANDR_MAJOR < 1
 112 #  error XRandR versions less than 1.0 are not supported
 113 #endif
 114
 115 #if RANDR_MAJOR >= 1
 116 #if RANDR_MINOR >= 2
 117 #define SWM_XRR_HAS_CRTC
 118 #endif
 119 #endif
 120
 121 /*#define SWM_DEBUG*/
 122 #ifdef SWM_DEBUG
 123 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 124 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 125 #define SWM_D_MISC              0x0001
 126 #define SWM_D_EVENT             0x0002
 127 #define SWM_D_WS                0x0004
 128 #define SWM_D_FOCUS             0x0008
 129 #define SWM_D_MOVE              0x0010
 130 #define SWM_D_STACK             0x0020
 131 #define SWM_D_MOUSE             0x0040
 132 #define SWM_D_PROP              0x0080
 133 #define SWM_D_CLASS             0x0100
 134 #define SWM_D_KEY               0x0200
 135 #define SWM_D_QUIRK             0x0400
 136 #define SWM_D_SPAWN             0x0800
 137 #define SWM_D_EVENTQ            0x1000
 138 #define SWM_D_CONF              0x2000
 139 #define SWM_D_BAR               0x4000
 140
 141 u_int32_t               swm_debug = 0
 142                             | SWM_D_MISC
 143                             | SWM_D_EVENT
 144                             | SWM_D_WS
 145                             | SWM_D_FOCUS
 146                             | SWM_D_MOVE
 147                             | SWM_D_STACK
 148                             | SWM_D_MOUSE
 149                             | SWM_D_PROP
 150                             | SWM_D_CLASS
 151                             | SWM_D_KEY
 152                             | SWM_D_QUIRK
 153                             | SWM_D_SPAWN
 154                             | SWM_D_EVENTQ
 155                             | SWM_D_CONF
 156                             | SWM_D_BAR
 157                             ;
 158 #else
 159 #define DPRINTF(x...)
 160 #define DNPRINTF(n,x...)
 161 #endif
 162
 163 #define LENGTH(x)               (sizeof x / sizeof x[0])
 164 #define MODKEY                  Mod1Mask
 165 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 166 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 167 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 168 #define SWM_PROPLEN             (16)
 169 #define SWM_FUNCNAME_LEN        (32)
 170 #define SWM_KEYS_LEN            (255)
 171 #define SWM_QUIRK_LEN           (64)
 172 #define X(r)                    (r)->g.x
 173 #define Y(r)                    (r)->g.y
 174 #define WIDTH(r)                (r)->g.w
 175 #define HEIGHT(r)               (r)->g.h
 176 #define BORDER(w)               (w->bordered ? border_width : 0)
 177 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 178 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 179 #define SH_MIN(w)               (w)->sh_mask & PMinSize
 180 #define SH_MIN_W(w)             (w)->sh.min_width
 181 #define SH_MIN_H(w)             (w)->sh.min_height
 182 #define SH_MAX(w)               (w)->sh_mask & PMaxSize
 183 #define SH_MAX_W(w)             (w)->sh.max_width
 184 #define SH_MAX_H(w)             (w)->sh.max_height
 185 #define SH_INC(w)               (w)->sh_mask & PResizeInc
 186 #define SH_INC_W(w)             (w)->sh.width_inc
 187 #define SH_INC_H(w)             (w)->sh.height_inc
 188 #define SWM_MAX_FONT_STEPS      (3)
 189 #define WINID(w)                ((w) ? (w)->id : 0)
 190 #define YESNO(x)                ((x) ? "yes" : "no")
 191
 192 #define SWM_FOCUS_DEFAULT       (0)
 193 #define SWM_FOCUS_SYNERGY       (1)
 194 #define SWM_FOCUS_FOLLOW        (2)
 195
 196 #define SWM_CONF_DEFAULT        (0)
 197 #define SWM_CONF_KEYMAPPING     (1)
 198
 199 #ifndef SWM_LIB
 200 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 201 #endif
 202
 203 char                    **start_argv;
 204 Atom                    astate;
 205 Atom                    aprot;
 206 Atom                    adelete;
 207 Atom                    takefocus;
 208 Atom                    a_wmname;
 209 Atom                    a_netwmname;
 210 Atom                    a_utf8_string;
 211 Atom                    a_string;
 212 Atom                    a_swm_iconic;
 213 volatile sig_atomic_t   running = 1;
 214 volatile sig_atomic_t   restart_wm = 0;
 215 int                     outputs = 0;
 216 int                     last_focus_event = FocusOut;
 217 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 218 int                     other_wm;
 219 int                     ss_enabled = 0;
 220 int                     xrandr_support;
 221 int                     xrandr_eventbase;
 222 unsigned int            numlockmask = 0;
 223 Display                 *display;
 224 xcb_connection_t        *conn;
 225
 226 int                     cycle_empty = 0;
 227 int                     cycle_visible = 0;
 228 int                     term_width = 0;
 229 int                     font_adjusted = 0;
 230 unsigned int            mod_key = MODKEY;
 231
 232 /* dmenu search */
 233 struct swm_region       *search_r;
 234 int                     select_list_pipe[2];
 235 int                     select_resp_pipe[2];
 236 pid_t                   searchpid;
 237 volatile sig_atomic_t   search_resp;
 238 int                     search_resp_action;
 239
 240 struct search_window {
 241         TAILQ_ENTRY(search_window)      entry;
 242         int                             idx;
 243         struct ws_win                   *win;
 244         GC                              gc;
 245         Window                          indicator;
 246 };
 247 TAILQ_HEAD(search_winlist, search_window);
 248 struct search_winlist                   search_wl;
 249
 250 /* search actions */
 251 enum {
 252         SWM_SEARCH_NONE,
 253         SWM_SEARCH_UNICONIFY,
 254         SWM_SEARCH_NAME_WORKSPACE,
 255         SWM_SEARCH_SEARCH_WORKSPACE,
 256         SWM_SEARCH_SEARCH_WINDOW
 257 };
 258
 259 #define SWM_STACK_TOP           (0)
 260 #define SWM_STACK_BOTTOM        (1)
 261 #define SWM_STACK_ABOVE         (2)
 262 #define SWM_STACK_BELOW         (3)
 263
 264 /* dialog windows */
 265 double                  dialog_ratio = 0.6;
 266 /* status bar */
 267 #define SWM_BAR_MAX             (256)
 268 #define SWM_BAR_JUSTIFY_LEFT    (0)
 269 #define SWM_BAR_JUSTIFY_CENTER  (1)
 270 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 271 #define SWM_BAR_OFFSET          (4)
 272 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 273                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 274                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 275                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 276                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 277
 278 #ifdef X_HAVE_UTF8_STRING
 279 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 280 #else
 281 #define DRAWSTRING(x...)        XmbDrawString(x)
 282 #endif
 283
 284 char                    *bar_argv[] = { NULL, NULL };
 285 int                     bar_pipe[2];
 286 unsigned char           bar_ext[SWM_BAR_MAX];
 287 char                    bar_vertext[SWM_BAR_MAX];
 288 int                     bar_version = 0;
 289 sig_atomic_t            bar_alarm = 0;
 290 int                     bar_delay = 30;
 291 int                     bar_enabled = 1;
 292 int                     bar_border_width = 1;
 293 int                     bar_at_bottom = 0;
 294 int                     bar_extra = 1;
 295 int                     bar_extra_running = 0;
 296 int                     bar_verbose = 1;
 297 int                     bar_height = 0;
 298 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 299 char                    *bar_format = NULL;
 300 int                     stack_enabled = 1;
 301 int                     clock_enabled = 1;
 302 int                     urgent_enabled = 0;
 303 char                    *clock_format = NULL;
 304 int                     title_name_enabled = 0;
 305 int                     title_class_enabled = 0;
 306 int                     window_name_enabled = 0;
 307 int                     focus_mode = SWM_FOCUS_DEFAULT;
 308 int                     focus_close = SWM_STACK_BELOW;
 309 int                     focus_close_wrap = 1;
 310 int                     focus_default = SWM_STACK_TOP;
 311 int                     spawn_position = SWM_STACK_TOP;
 312 int                     disable_border = 0;
 313 int                     border_width = 1;
 314 int                     verbose_layout = 0;
 315 pid_t                   bar_pid;
 316 XFontSet                bar_fs;
 317 XFontSetExtents         *bar_fs_extents;
 318 char                    *bar_fonts;
 319 struct passwd           *pwd;
 320
 321 #define SWM_MENU_FN     (2)
 322 #define SWM_MENU_NB     (4)
 323 #define SWM_MENU_NF     (6)
 324 #define SWM_MENU_SB     (8)
 325 #define SWM_MENU_SF     (10)
 326
 327 /* layout manager data */
 328 struct swm_geometry {
 329         int                     x;
 330         int                     y;
 331         int                     w;
 332         int                     h;
 333 };
 334
 335 struct swm_screen;
 336 struct workspace;
 337
 338 struct swm_bar {
 339         xcb_window_t            id;
 340         xcb_pixmap_t            buffer;
 341         struct swm_geometry     g;
 342 };
 343
 344 /* virtual "screens" */
 345 struct swm_region {
 346         TAILQ_ENTRY(swm_region) entry;
 347         struct swm_geometry     g;
 348         struct workspace        *ws;    /* current workspace on this region */
 349         struct workspace        *ws_prior; /* prior workspace on this region */
 350         struct swm_screen       *s;     /* screen idx */
 351         struct swm_bar          *bar;
 352 };
 353 TAILQ_HEAD(swm_region_list, swm_region);
 354
 355 struct ws_win {
 356         TAILQ_ENTRY(ws_win)     entry;
 357         Window                  id;
 358         Window                  transient;
 359         struct ws_win           *child_trans;   /* transient child window */
 360         struct swm_geometry     g;              /* current geometry */
 361         struct swm_geometry     g_float;        /* region coordinates */
 362         int                     g_floatvalid;   /* g_float geometry validity */
 363         int                     floatmaxed;     /* whether maxed by max_stack */
 364         int                     floating;
 365         int                     manual;
 366         int                     iconic;
 367         int                     bordered;
 368         unsigned int            ewmh_flags;
 369         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 370         int                     font_steps;
 371         int                     last_inc;
 372         int                     can_delete;
 373         int                     take_focus;
 374         int                     java;
 375         unsigned long           quirks;
 376         struct workspace        *ws;    /* always valid */
 377         struct swm_screen       *s;     /* always valid, never changes */
 378         XWindowAttributes       wa;
 379         XSizeHints              sh;
 380         long                    sh_mask;
 381         XClassHint              ch;
 382         XWMHints                *hints;
 383 };
 384 TAILQ_HEAD(ws_win_list, ws_win);
 385
 386 /* pid goo */
 387 struct pid_e {
 388         TAILQ_ENTRY(pid_e)      entry;
 389         long                    pid;
 390         int                     ws;
 391 };
 392 TAILQ_HEAD(pid_list, pid_e);
 393 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 394
 395 /* layout handlers */
 396 void    stack(void);
 397 void    vertical_config(struct workspace *, int);
 398 void    vertical_stack(struct workspace *, struct swm_geometry *);
 399 void    horizontal_config(struct workspace *, int);
 400 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 401 void    max_stack(struct workspace *, struct swm_geometry *);
 402 void    plain_stacker(struct workspace *);
 403 void    fancy_stacker(struct workspace *);
 404
 405 struct ws_win *find_window(Window);
 406
 407 void    grabbuttons(struct ws_win *, int);
 408 void    new_region(struct swm_screen *, int, int, int, int);
 409 void    unmanage_window(struct ws_win *);
 410 long    getstate(Window);
 411
 412 int     conf_load(char *, int);
 413
 414 struct layout {
 415         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 416         void            (*l_config)(struct workspace *, int);
 417         u_int32_t       flags;
 418 #define SWM_L_FOCUSPREV         (1<<0)
 419 #define SWM_L_MAPONFOCUS        (1<<1)
 420         void            (*l_string)(struct workspace *);
 421 } layouts[] =  {
 422         /* stack,               configure */
 423         { vertical_stack,       vertical_config,        0,      plain_stacker },
 424         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 425         { max_stack,            NULL,
 426           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 427         { NULL,                 NULL,                   0,      NULL  },
 428 };
 429
 430 /* position of max_stack mode in the layouts array, index into layouts! */
 431 #define SWM_V_STACK             (0)
 432 #define SWM_H_STACK             (1)
 433 #define SWM_MAX_STACK           (2)
 434
 435 #define SWM_H_SLICE             (32)
 436 #define SWM_V_SLICE             (32)
 437
 438 /* define work spaces */
 439 struct workspace {
 440         int                     idx;            /* workspace index */
 441         char                    *name;          /* workspace name */
 442         int                     always_raise;   /* raise windows on focus */
 443         struct layout           *cur_layout;    /* current layout handlers */
 444         struct ws_win           *focus;         /* may be NULL */
 445         struct ws_win           *focus_prev;    /* may be NULL */
 446         struct swm_region       *r;             /* may be NULL */
 447         struct swm_region       *old_r;         /* may be NULL */
 448         struct ws_win_list      winlist;        /* list of windows in ws */
 449         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 450         char                    stacker[10];    /* display stacker and layout */
 451
 452         /* stacker state */
 453         struct {
 454                                 int horizontal_msize;
 455                                 int horizontal_mwin;
 456                                 int horizontal_stacks;
 457                                 int horizontal_flip;
 458                                 int vertical_msize;
 459                                 int vertical_mwin;
 460                                 int vertical_stacks;
 461                                 int vertical_flip;
 462         } l_state;
 463 };
 464
 465 enum {
 466         SWM_S_COLOR_BAR,
 467         SWM_S_COLOR_BAR_BORDER,
 468         SWM_S_COLOR_BAR_FONT,
 469         SWM_S_COLOR_FOCUS,
 470         SWM_S_COLOR_UNFOCUS,
 471         SWM_S_COLOR_MAX
 472 };
 473
 474 /* physical screen mapping */
 475 #define SWM_WS_MAX              (22)    /* hard limit */
 476 int             workspace_limit = 10;   /* soft limit */
 477
 478 struct swm_screen {
 479         int                     idx;    /* screen index */
 480         struct swm_region_list  rl;     /* list of regions on this screen */
 481         struct swm_region_list  orl;    /* list of old regions */
 482         Window                  root;
 483         struct workspace        ws[SWM_WS_MAX];
 484
 485         /* colors */
 486         struct {
 487                 unsigned long   color;
 488                 char            *name;
 489         } c[SWM_S_COLOR_MAX];
 490
 491         GC                      bar_gc;
 492 };
 493 struct swm_screen       *screens;
 494
 495 /* args to functions */
 496 union arg {
 497         int                     id;
 498 #define SWM_ARG_ID_FOCUSNEXT    (0)
 499 #define SWM_ARG_ID_FOCUSPREV    (1)
 500 #define SWM_ARG_ID_FOCUSMAIN    (2)
 501 #define SWM_ARG_ID_FOCUSCUR     (4)
 502 #define SWM_ARG_ID_SWAPNEXT     (10)
 503 #define SWM_ARG_ID_SWAPPREV     (11)
 504 #define SWM_ARG_ID_SWAPMAIN     (12)
 505 #define SWM_ARG_ID_MOVELAST     (13)
 506 #define SWM_ARG_ID_MASTERSHRINK (20)
 507 #define SWM_ARG_ID_MASTERGROW   (21)
 508 #define SWM_ARG_ID_MASTERADD    (22)
 509 #define SWM_ARG_ID_MASTERDEL    (23)
 510 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 511 #define SWM_ARG_ID_STACKRESET   (30)
 512 #define SWM_ARG_ID_STACKINIT    (31)
 513 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 514 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 515 #define SWM_ARG_ID_CYCLESC_UP   (42)
 516 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 517 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 518 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 519 #define SWM_ARG_ID_STACKINC     (50)
 520 #define SWM_ARG_ID_STACKDEC     (51)
 521 #define SWM_ARG_ID_SS_ALL       (60)
 522 #define SWM_ARG_ID_SS_WINDOW    (61)
 523 #define SWM_ARG_ID_DONTCENTER   (70)
 524 #define SWM_ARG_ID_CENTER       (71)
 525 #define SWM_ARG_ID_KILLWINDOW   (80)
 526 #define SWM_ARG_ID_DELETEWINDOW (81)
 527 #define SWM_ARG_ID_WIDTHGROW    (90)
 528 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 529 #define SWM_ARG_ID_HEIGHTGROW   (92)
 530 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 531 #define SWM_ARG_ID_MOVEUP       (100)
 532 #define SWM_ARG_ID_MOVEDOWN     (101)
 533 #define SWM_ARG_ID_MOVELEFT     (102)
 534 #define SWM_ARG_ID_MOVERIGHT    (103)
 535         char                    **argv;
 536 };
 537
 538 void    focus(struct swm_region *, union arg *);
 539 void    focus_magic(struct ws_win *);
 540
 541 /* quirks */
 542 struct quirk {
 543         TAILQ_ENTRY(quirk)      entry;
 544         char                    *class;
 545         char                    *name;
 546         unsigned long           quirk;
 547 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 548 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 549 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 550 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 551 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 552 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 553 };
 554 TAILQ_HEAD(quirk_list, quirk);
 555 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 556
 557 /*
 558  * Supported EWMH hints should be added to
 559  * both the enum and the ewmh array
 560  */
 561 enum {
 562         _NET_ACTIVE_WINDOW,
 563         _NET_CLOSE_WINDOW,
 564         _NET_MOVERESIZE_WINDOW,
 565         _NET_WM_ACTION_CLOSE,
 566         _NET_WM_ACTION_FULLSCREEN,
 567         _NET_WM_ACTION_MOVE,
 568         _NET_WM_ACTION_RESIZE,
 569         _NET_WM_ALLOWED_ACTIONS,
 570         _NET_WM_STATE,
 571         _NET_WM_STATE_ABOVE,
 572         _NET_WM_STATE_FULLSCREEN,
 573         _NET_WM_STATE_HIDDEN,
 574         _NET_WM_STATE_MAXIMIZED_HORZ,
 575         _NET_WM_STATE_MAXIMIZED_VERT,
 576         _NET_WM_STATE_SKIP_PAGER,
 577         _NET_WM_STATE_SKIP_TASKBAR,
 578         _NET_WM_WINDOW_TYPE,
 579         _NET_WM_WINDOW_TYPE_DIALOG,
 580         _NET_WM_WINDOW_TYPE_DOCK,
 581         _NET_WM_WINDOW_TYPE_NORMAL,
 582         _NET_WM_WINDOW_TYPE_SPLASH,
 583         _NET_WM_WINDOW_TYPE_TOOLBAR,
 584         _NET_WM_WINDOW_TYPE_UTILITY,
 585         _SWM_WM_STATE_MANUAL,
 586         SWM_EWMH_HINT_MAX
 587 };
 588
 589 struct ewmh_hint {
 590         char            *name;
 591         xcb_atom_t      atom;
 592 } ewmh[SWM_EWMH_HINT_MAX] =     {
 593     /* must be in same order as in the enum */
 594     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 595     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 596     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 597     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 598     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 599     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 600     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 601     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 602     {"_NET_WM_STATE", XCB_ATOM_NONE},
 603     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 604     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 605     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 606     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 607     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 608     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 609     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 610     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 611     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 612     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 613     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 614     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 615     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 616     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 617     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 618 };
 619
 620 void             store_float_geom(struct ws_win *, struct swm_region *);
 621 int              floating_toggle_win(struct ws_win *);
 622 void             constrain_window(struct ws_win *, struct swm_region *, int);
 623 void             update_window(struct ws_win *);
 624 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 625 unsigned char   *get_win_name(Window);
 626
 627 int
 628 get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
 629     unsigned long *nbytes, unsigned char **data)
 630 {
 631         int                     format, status;
 632         unsigned long           *nbytes_ret, *nitems_ret;
 633         unsigned long           nbytes_tmp, nitems_tmp;
 634         Atom                    real;
 635
 636         nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
 637         nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
 638
 639         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 640             &real, &format, nitems_ret, nbytes_ret, data);
 641
 642         if (status != Success)
 643                 return (False);
 644         if (real != type)
 645                 return (False);
 646
 647         return (True);
 648 }
 649
 650 void
 651 update_iconic(struct ws_win *win, int newv)
 652 {
 653         int32_t                         v = newv;
 654         xcb_atom_t                      iprop;
 655         xcb_intern_atom_cookie_t        c;
 656         xcb_intern_atom_reply_t         *r;
 657
 658         win->iconic = newv;
 659
 660         c = xcb_intern_atom(conn, False, strlen("_SWM_ICONIC"), "_SWM_ICONIC");
 661         r = xcb_intern_atom_reply(conn, c, NULL);
 662         if (r) {
 663                 iprop = r->atom;
 664                 free(r);
 665         } else
 666                 return;
 667
 668         if (newv)
 669                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 670                         iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 671         else
 672                 xcb_delete_property(conn, win->id, iprop);
 673 }
 674
 675 int
 676 get_iconic(struct ws_win *win)
 677 {
 678         int32_t v = 0, *vtmp;
 679         xcb_atom_t                      iprop;
 680         xcb_intern_atom_cookie_t        c;
 681         xcb_intern_atom_reply_t         *r;
 682         xcb_get_property_cookie_t       pc;
 683         xcb_get_property_reply_t        *pr;
 684
 685         c = xcb_intern_atom(conn, False, strlen("_SWM_ICONIC"), "_SWM_ICONIC");
 686         r = xcb_intern_atom_reply(conn, c, NULL);
 687         if (r) {
 688                 iprop = r->atom;
 689                 free(r);
 690         } else
 691                 goto out;
 692
 693         pc = xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 694                         0, 1);
 695         pr = xcb_get_property_reply(conn, pc, NULL);
 696         if (!pr)
 697                 goto out;
 698         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 699                 goto out;
 700         vtmp = xcb_get_property_value(pr);
 701         v = *vtmp;
 702 out:
 703         if (pr != NULL)
 704                 free(pr);
 705         return (v);
 706 }
 707
 708 void
 709 setup_ewmh(void)
 710 {
 711         xcb_atom_t                      sup_list;
 712         xcb_intern_atom_cookie_t        c;
 713         xcb_intern_atom_reply_t         *r;
 714         int                             i, j, num_screens;
 715
 716         c = xcb_intern_atom(conn, False, strlen("_NET_SUPPORTED"),
 717                 "_NET_SUPPORTED");
 718         r = xcb_intern_atom_reply(conn, c, NULL);
 719         if (r) {
 720                 sup_list = r->atom;
 721                 free(r);
 722         }
 723
 724         for (i = 0; i < LENGTH(ewmh); i++) {
 725                 c = xcb_intern_atom(conn, False, strlen(ewmh[i].name),
 726                         ewmh[i].name);
 727                 r = xcb_intern_atom_reply(conn, c, NULL);
 728                 if (r) {
 729                         ewmh[i].atom = r->atom;
 730                         free(r);
 731                 }
 732         }
 733
 734         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 735         for (i = 0; i < num_screens; i++) {
 736                 /* Support check window will be created by workaround(). */
 737
 738                 /* Report supported atoms */
 739                 xcb_delete_property(conn, screens[i].root, sup_list);
 740                 for (j = 0; j < LENGTH(ewmh); j++)
 741                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 742                                 screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 743                                 &ewmh[j].atom);
 744         }
 745 }
 746
 747 void
 748 teardown_ewmh(void)
 749 {
 750         int                     i, success;
 751         unsigned char           *data = NULL;
 752         unsigned long           n;
 753         Atom                    sup_check, sup_list;
 754         Window                  id;
 755
 756         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 757         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 758
 759         for (i = 0; i < ScreenCount(display); i++) {
 760                 /* Get the support check window and destroy it */
 761                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 762                     &n, NULL, &data);
 763
 764                 if (success) {
 765                         id = data[0];
 766                         XDestroyWindow(display, id);
 767                         XDeleteProperty(display, screens[i].root, sup_check);
 768                         XDeleteProperty(display, screens[i].root, sup_list);
 769                 }
 770
 771                 XFree(data);
 772         }
 773 }
 774
 775 void
 776 ewmh_autoquirk(struct ws_win *win)
 777 {
 778         int                     success, i;
 779         unsigned long           *data = NULL, n;
 780         Atom                    type;
 781
 782         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 783             XA_ATOM, &n, NULL, (void *)&data);
 784
 785         if (!success) {
 786                 XFree(data);
 787                 return;
 788         }
 789
 790         for (i = 0; i < n; i++) {
 791                 type = data[i];
 792                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 793                         break;
 794                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 795                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 796                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 797                         win->floating = 1;
 798                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 799                         break;
 800                 }
 801                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 802                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 803                         win->floating = 1;
 804                         win->quirks = SWM_Q_FLOAT;
 805                         break;
 806                 }
 807         }
 808
 809         XFree(data);
 810 }
 811
 812 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 813 #define EWMH_F_FULLSCREEN               (1<<0)
 814 #define EWMH_F_ABOVE                    (1<<1)
 815 #define EWMH_F_HIDDEN                   (1<<2)
 816 #define EWMH_F_SKIP_PAGER               (1<<3)
 817 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 818 #define SWM_F_MANUAL                    (1<<5)
 819
 820 int
 821 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 822 {
 823         if (!win->ws->r)
 824                 return (0);
 825
 826         if (!win->floating)
 827                 return (0);
 828
 829         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 830             "fullscreen %s\n", win->id, YESNO(fs));
 831
 832         if (fs) {
 833                 if (!win->g_floatvalid)
 834                         store_float_geom(win, win->ws->r);
 835
 836                 win->g = win->ws->r->g;
 837                 win->bordered = 0;
 838         } else {
 839                 if (win->g_floatvalid) {
 840                         /* refloat at last floating relative position */
 841                         win->g = win->g_float;
 842                         X(win) += X(win->ws->r);
 843                         Y(win) += Y(win->ws->r);
 844                 }
 845         }
 846
 847         return (1);
 848 }
 849
 850 void
 851 ewmh_update_actions(struct ws_win *win)
 852 {
 853         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 854         int                     n = 0;
 855
 856         if (win == NULL)
 857                 return;
 858
 859         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 860
 861         if (win->floating) {
 862                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 863                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 864         }
 865
 866         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 867                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 868                 actions);
 869 }
 870
 871 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 872 #define _NET_WM_STATE_ADD       1    /* add/set property */
 873 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 874
 875 void
 876 ewmh_update_win_state(struct ws_win *win, long state, long action)
 877 {
 878         unsigned int            mask = 0;
 879         unsigned int            changed = 0;
 880         unsigned int            orig_flags;
 881
 882         if (win == NULL)
 883                 return;
 884
 885         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 886                 mask = EWMH_F_FULLSCREEN;
 887         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 888                 mask = EWMH_F_ABOVE;
 889         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 890                 mask = SWM_F_MANUAL;
 891         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 892                 mask = EWMH_F_SKIP_PAGER;
 893         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 894                 mask = EWMH_F_SKIP_TASKBAR;
 895
 896
 897         orig_flags = win->ewmh_flags;
 898
 899         switch (action) {
 900         case _NET_WM_STATE_REMOVE:
 901                 win->ewmh_flags &= ~mask;
 902                 break;
 903         case _NET_WM_STATE_ADD:
 904                 win->ewmh_flags |= mask;
 905                 break;
 906         case _NET_WM_STATE_TOGGLE:
 907                 win->ewmh_flags ^= mask;
 908                 break;
 909         }
 910
 911         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 912
 913         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 914                 if (changed)
 915                         if (!floating_toggle_win(win))
 916                                 win->ewmh_flags = orig_flags; /* revert */
 917         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 918                 if (changed)
 919                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 920         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 921                 if (changed)
 922                         if (!ewmh_set_win_fullscreen(win,
 923                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 924                                 win->ewmh_flags = orig_flags; /* revert */
 925
 926         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 927
 928         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 929                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 930                     XA_ATOM, 32, PropModeAppend,
 931                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 932         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 933                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 934                     XA_ATOM, 32, PropModeAppend,
 935                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 936         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 937                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 938                     XA_ATOM, 32, PropModeAppend,
 939                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 940         if (win->ewmh_flags & EWMH_F_ABOVE)
 941                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 942                     XA_ATOM, 32, PropModeAppend,
 943                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 944         if (win->ewmh_flags & SWM_F_MANUAL)
 945                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 946                     XA_ATOM, 32, PropModeAppend,
 947                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 948 }
 949
 950 void
 951 ewmh_get_win_state(struct ws_win *win)
 952 {
 953         int                     success, i;
 954         unsigned long           n;
 955         Atom                    *states;
 956
 957         if (win == NULL)
 958                 return;
 959
 960         win->ewmh_flags = 0;
 961         if (win->floating)
 962                 win->ewmh_flags |= EWMH_F_ABOVE;
 963         if (win->manual)
 964                 win->ewmh_flags |= SWM_F_MANUAL;
 965
 966         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 967             (~0L), XA_ATOM, &n, NULL, (void *)&states);
 968
 969         if (!success)
 970                 return;
 971
 972         for (i = 0; i < n; i++)
 973                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 974
 975         XFree(states);
 976 }
 977
 978 /* events */
 979 #ifdef SWM_DEBUG
 980 char *
 981 geteventname(XEvent *e)
 982 {
 983         char                    *name = NULL;
 984
 985         switch (e->type) {
 986         case KeyPress:
 987                 name = "KeyPress";
 988                 break;
 989         case KeyRelease:
 990                 name = "KeyRelease";
 991                 break;
 992         case ButtonPress:
 993                 name = "ButtonPress";
 994                 break;
 995         case ButtonRelease:
 996                 name = "ButtonRelease";
 997                 break;
 998         case MotionNotify:
 999                 name = "MotionNotify";
1000                 break;
1001         case EnterNotify:
1002                 name = "EnterNotify";
1003                 break;
1004         case LeaveNotify:
1005                 name = "LeaveNotify";
1006                 break;
1007         case FocusIn:
1008                 name = "FocusIn";
1009                 break;
1010         case FocusOut:
1011                 name = "FocusOut";
1012                 break;
1013         case KeymapNotify:
1014                 name = "KeymapNotify";
1015                 break;
1016         case Expose:
1017                 name = "Expose";
1018                 break;
1019         case GraphicsExpose:
1020                 name = "GraphicsExpose";
1021                 break;
1022         case NoExpose:
1023                 name = "NoExpose";
1024                 break;
1025         case VisibilityNotify:
1026                 name = "VisibilityNotify";
1027                 break;
1028         case CreateNotify:
1029                 name = "CreateNotify";
1030                 break;
1031         case DestroyNotify:
1032                 name = "DestroyNotify";
1033                 break;
1034         case UnmapNotify:
1035                 name = "UnmapNotify";
1036                 break;
1037         case MapNotify:
1038                 name = "MapNotify";
1039                 break;
1040         case MapRequest:
1041                 name = "MapRequest";
1042                 break;
1043         case ReparentNotify:
1044                 name = "ReparentNotify";
1045                 break;
1046         case ConfigureNotify:
1047                 name = "ConfigureNotify";
1048                 break;
1049         case ConfigureRequest:
1050                 name = "ConfigureRequest";
1051                 break;
1052         case GravityNotify:
1053                 name = "GravityNotify";
1054                 break;
1055         case ResizeRequest:
1056                 name = "ResizeRequest";
1057                 break;
1058         case CirculateNotify:
1059                 name = "CirculateNotify";
1060                 break;
1061         case CirculateRequest:
1062                 name = "CirculateRequest";
1063                 break;
1064         case PropertyNotify:
1065                 name = "PropertyNotify";
1066                 break;
1067         case SelectionClear:
1068                 name = "SelectionClear";
1069                 break;
1070         case SelectionRequest:
1071                 name = "SelectionRequest";
1072                 break;
1073         case SelectionNotify:
1074                 name = "SelectionNotify";
1075                 break;
1076         case ColormapNotify:
1077                 name = "ColormapNotify";
1078                 break;
1079         case ClientMessage:
1080                 name = "ClientMessage";
1081                 break;
1082         case MappingNotify:
1083                 name = "MappingNotify";
1084                 break;
1085         default:
1086                 name = "Unknown";
1087         }
1088
1089         return (name);
1090 }
1091
1092 char *
1093 xrandr_geteventname(XEvent *e)
1094 {
1095         char                    *name = NULL;
1096
1097         switch(e->type - xrandr_eventbase) {
1098         case RRScreenChangeNotify:
1099                 name = "RRScreenChangeNotify";
1100                 break;
1101         default:
1102                 name = "Unknown";
1103         }
1104
1105         return (name);
1106 }
1107
1108 void
1109 dumpwins(struct swm_region *r, union arg *args)
1110 {
1111         struct ws_win           *win;
1112         unsigned int            state;
1113         XWindowAttributes       wa;
1114
1115         if (r->ws == NULL) {
1116                 warnx("dumpwins: invalid workspace");
1117                 return;
1118         }
1119
1120         warnx("=== managed window list ws %02d ===", r->ws->idx);
1121
1122         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1123                 state = getstate(win->id);
1124                 if (!XGetWindowAttributes(display, win->id, &wa))
1125                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1126                             win->id);
1127                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1128                     "transient: 0x%lx", win->id, wa.map_state, state,
1129                     win->transient);
1130         }
1131
1132         warnx("===== unmanaged window list =====");
1133         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1134                 state = getstate(win->id);
1135                 if (!XGetWindowAttributes(display, win->id, &wa))
1136                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1137                             win->id);
1138                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1139                     "transient: 0x%lx", win->id, wa.map_state, state,
1140                     win->transient);
1141         }
1142
1143         warnx("=================================");
1144 }
1145 #else
1146 void
1147 dumpwins(struct swm_region *r, union arg *args)
1148 {
1149 }
1150 #endif /* SWM_DEBUG */
1151
1152 void                    expose(XEvent *);
1153 void                    keypress(XEvent *);
1154 void                    buttonpress(XEvent *);
1155 void                    configurerequest(XEvent *);
1156 void                    configurenotify(XEvent *);
1157 void                    destroynotify(XEvent *);
1158 void                    enternotify(XEvent *);
1159 void                    focusevent(XEvent *);
1160 void                    mapnotify(XEvent *);
1161 void                    mappingnotify(XEvent *);
1162 void                    maprequest(XEvent *);
1163 void                    propertynotify(XEvent *);
1164 void                    unmapnotify(XEvent *);
1165 void                    visibilitynotify(XEvent *);
1166 void                    clientmessage(XEvent *);
1167
1168 void                    (*handler[LASTEvent])(XEvent *) = {
1169                                 [Expose] = expose,
1170                                 [KeyPress] = keypress,
1171                                 [ButtonPress] = buttonpress,
1172                                 [ConfigureRequest] = configurerequest,
1173                                 [ConfigureNotify] = configurenotify,
1174                                 [DestroyNotify] = destroynotify,
1175                                 [EnterNotify] = enternotify,
1176                                 [FocusIn] = focusevent,
1177                                 [FocusOut] = focusevent,
1178                                 [MapNotify] = mapnotify,
1179                                 [MappingNotify] = mappingnotify,
1180                                 [MapRequest] = maprequest,
1181                                 [PropertyNotify] = propertynotify,
1182                                 [UnmapNotify] = unmapnotify,
1183                                 [VisibilityNotify] = visibilitynotify,
1184                                 [ClientMessage] = clientmessage,
1185 };
1186
1187 void
1188 sighdlr(int sig)
1189 {
1190         int                     saved_errno, status;
1191         pid_t                   pid;
1192
1193         saved_errno = errno;
1194
1195         switch (sig) {
1196         case SIGCHLD:
1197                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1198                         if (pid == -1) {
1199                                 if (errno == EINTR)
1200                                         continue;
1201 #ifdef SWM_DEBUG
1202                                 if (errno != ECHILD)
1203                                         warn("sighdlr: waitpid");
1204 #endif /* SWM_DEBUG */
1205                                 break;
1206                         }
1207                         if (pid == searchpid)
1208                                 search_resp = 1;
1209
1210 #ifdef SWM_DEBUG
1211                         if (WIFEXITED(status)) {
1212                                 if (WEXITSTATUS(status) != 0)
1213                                         warnx("sighdlr: child exit status: %d",
1214                                             WEXITSTATUS(status));
1215                         } else
1216                                 warnx("sighdlr: child is terminated "
1217                                     "abnormally");
1218 #endif /* SWM_DEBUG */
1219                 }
1220                 break;
1221
1222         case SIGHUP:
1223                 restart_wm = 1;
1224                 break;
1225         case SIGINT:
1226         case SIGTERM:
1227         case SIGQUIT:
1228                 running = 0;
1229                 break;
1230         }
1231
1232         errno = saved_errno;
1233 }
1234
1235 struct pid_e *
1236 find_pid(long pid)
1237 {
1238         struct pid_e            *p = NULL;
1239
1240         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1241
1242         if (pid == 0)
1243                 return (NULL);
1244
1245         TAILQ_FOREACH(p, &pidlist, entry) {
1246                 if (p->pid == pid)
1247                         return (p);
1248         }
1249
1250         return (NULL);
1251 }
1252
1253 unsigned long
1254 name_to_color(char *colorname)
1255 {
1256         Colormap                cmap;
1257         Status                  status;
1258         XColor                  screen_def, exact_def;
1259         unsigned long           result = 0;
1260         char                    cname[32] = "#";
1261
1262         cmap = DefaultColormap(display, screens[0].idx);
1263         status = XAllocNamedColor(display, cmap, colorname,
1264             &screen_def, &exact_def);
1265         if (!status) {
1266                 strlcat(cname, colorname + 2, sizeof cname - 1);
1267                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1268                     &exact_def);
1269         }
1270         if (status)
1271                 result = screen_def.pixel;
1272         else
1273                 warnx("color '%s' not found", colorname);
1274
1275         return (result);
1276 }
1277
1278 void
1279 setscreencolor(char *val, int i, int c)
1280 {
1281         int     num_screens;
1282
1283         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1284         if (i > 0 && i <= num_screens) {
1285                 screens[i - 1].c[c].color = name_to_color(val);
1286                 free(screens[i - 1].c[c].name);
1287                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1288                         err(1, "strdup");
1289         } else if (i == -1) {
1290                 for (i = 0; i < num_screens; i++) {
1291                         screens[i].c[c].color = name_to_color(val);
1292                         free(screens[i].c[c].name);
1293                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1294                                 err(1, "strdup");
1295                 }
1296         } else
1297                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1298                     i, num_screens);
1299 }
1300
1301 void
1302 fancy_stacker(struct workspace *ws)
1303 {
1304         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1305         if (ws->cur_layout->l_stack == vertical_stack)
1306                 snprintf(ws->stacker, sizeof ws->stacker,
1307                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1308                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1309         if (ws->cur_layout->l_stack == horizontal_stack)
1310                 snprintf(ws->stacker, sizeof ws->stacker,
1311                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1312                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1313 }
1314
1315 void
1316 plain_stacker(struct workspace *ws)
1317 {
1318         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1319         if (ws->cur_layout->l_stack == vertical_stack)
1320                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1321                     sizeof ws->stacker);
1322         if (ws->cur_layout->l_stack == horizontal_stack)
1323                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1324                     sizeof ws->stacker);
1325 }
1326
1327 void
1328 custom_region(char *val)
1329 {
1330         unsigned int                    sidx, x, y, w, h;
1331         int                             num_screens;
1332
1333         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1334         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1335                 errx(1, "invalid custom region, "
1336                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1337         if (sidx < 1 || sidx > num_screens)
1338                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1339                     sidx, num_screens);
1340         sidx--;
1341
1342         if (w < 1 || h < 1)
1343                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1344
1345         if (x > DisplayWidth(display, sidx) ||
1346             y > DisplayHeight(display, sidx) ||
1347             w + x > DisplayWidth(display, sidx) ||
1348             h + y > DisplayHeight(display, sidx)) {
1349                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1350                     "boundaries (%ux%u)", w, h, x, y,
1351                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1352                 return;
1353         }
1354
1355         new_region(&screens[sidx], x, y, w, h);
1356 }
1357
1358 void
1359 socket_setnonblock(int fd)
1360 {
1361         int                     flags;
1362
1363         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1364                 err(1, "fcntl F_GETFL");
1365         flags |= O_NONBLOCK;
1366         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1367                 err(1, "fcntl F_SETFL");
1368 }
1369
1370 void
1371 bar_print(struct swm_region *r, const char *s)
1372 {
1373         int                     x = 0;
1374         size_t                  len;
1375         XRectangle              ibox, lbox;
1376
1377         len = strlen(s);
1378         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1379
1380         switch (bar_justify) {
1381         case SWM_BAR_JUSTIFY_LEFT:
1382                 x = SWM_BAR_OFFSET;
1383                 break;
1384         case SWM_BAR_JUSTIFY_CENTER:
1385                 x = (WIDTH(r) - lbox.width) / 2;
1386                 break;
1387         case SWM_BAR_JUSTIFY_RIGHT:
1388                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1389                 break;
1390         }
1391
1392         if (x < SWM_BAR_OFFSET)
1393                 x = SWM_BAR_OFFSET;
1394
1395         /* clear back buffer */
1396         XSetForeground(display, r->s->bar_gc, r->s->c[SWM_S_COLOR_BAR].color);
1397         XFillRectangle(display, r->bar->buffer, r->s->bar_gc, 0, 0,
1398             WIDTH(r->bar), HEIGHT(r->bar));
1399
1400         /* draw back buffer */
1401         XSetForeground(display, r->s->bar_gc,
1402             r->s->c[SWM_S_COLOR_BAR_FONT].color);
1403         DRAWSTRING(display, r->bar->buffer, bar_fs, r->s->bar_gc,
1404             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1405             lbox.y, s, len);
1406
1407         /* blt */
1408         XCopyArea(display, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1409             WIDTH(r->bar), HEIGHT(r->bar), 0, 0);
1410 }
1411
1412 void
1413 bar_extra_stop(void)
1414 {
1415         if (bar_pipe[0]) {
1416                 close(bar_pipe[0]);
1417                 bzero(bar_pipe, sizeof bar_pipe);
1418         }
1419         if (bar_pid) {
1420                 kill(bar_pid, SIGTERM);
1421                 bar_pid = 0;
1422         }
1423         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1424         bar_extra = 0;
1425 }
1426
1427 void
1428 bar_class_name(char *s, size_t sz, struct swm_region *r)
1429 {
1430         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1431                 return;
1432         if (r->ws->focus->ch.res_class != NULL)
1433                 strlcat(s, r->ws->focus->ch.res_class, sz);
1434 }
1435
1436 void
1437 bar_title_name(char *s, size_t sz, struct swm_region *r)
1438 {
1439         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1440                 return;
1441         if (r->ws->focus->ch.res_name != NULL)
1442                 strlcat(s, r->ws->focus->ch.res_name, sz);
1443 }
1444
1445 void
1446 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1447 {
1448         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1449                 return;
1450
1451         bar_class_name(s, sz, r);
1452         strlcat(s, ":", sz);
1453         bar_title_name(s, sz, r);
1454 }
1455
1456 void
1457 bar_window_float(char *s, size_t sz, struct swm_region *r)
1458 {
1459         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1460                 return;
1461         if (r->ws->focus->floating)
1462                 strlcat(s, "(f)", sz);
1463 }
1464
1465 void
1466 bar_window_name(char *s, size_t sz, struct swm_region *r)
1467 {
1468         unsigned char           *title;
1469
1470         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1471                 return;
1472         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1473                 return;
1474
1475         strlcat(s, (char *)title, sz);
1476         XFree(title);
1477 }
1478
1479 int             urgent[SWM_WS_MAX];
1480 void
1481 bar_urgent(char *s, size_t sz)
1482 {
1483         XWMHints                *wmh = NULL;
1484         struct ws_win           *win;
1485         int                     i, j;
1486         char                    b[8];
1487
1488         for (i = 0; i < workspace_limit; i++)
1489                 urgent[i] = 0;
1490
1491         for (i = 0; i < ScreenCount(display); i++)
1492                 for (j = 0; j < workspace_limit; j++)
1493                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1494                                 wmh = XGetWMHints(display, win->id);
1495                                 if (wmh == NULL)
1496                                         continue;
1497
1498                                 if (wmh->flags & XUrgencyHint)
1499                                         urgent[j] = 1;
1500                                 XFree(wmh);
1501                         }
1502
1503         for (i = 0; i < workspace_limit; i++) {
1504                 if (urgent[i])
1505                         snprintf(b, sizeof b, "%d ", i + 1);
1506                 else
1507                         snprintf(b, sizeof b, "- ");
1508                 strlcat(s, b, sz);
1509         }
1510 }
1511
1512 void
1513 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1514 {
1515         if (r == NULL || r->ws == NULL)
1516                 return;
1517         if (r->ws->name != NULL)
1518                 strlcat(s, r->ws->name, sz);
1519 }
1520
1521 /* build the default bar format according to the defined enabled options */
1522 void
1523 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1524 {
1525         /* if format provided, just copy the buffers */
1526         if (bar_format != NULL) {
1527                 strlcpy(fmtnew, fmtexp, sz);
1528                 return;
1529         }
1530
1531         /* reset the output buffer */
1532         *fmtnew = '\0';
1533
1534         strlcat(fmtnew, "+N:+I ", sz);
1535         if (stack_enabled)
1536                 strlcat(fmtnew, "+S", sz);
1537         strlcat(fmtnew, " ", sz);
1538
1539         /* only show the workspace name if there's actually one */
1540         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1541                 strlcat(fmtnew, "<+D>", sz);
1542         strlcat(fmtnew, "+3<", sz);
1543
1544         if (clock_enabled) {
1545                 strlcat(fmtnew, fmtexp, sz);
1546                 strlcat(fmtnew, "+4<", sz);
1547         }
1548
1549         /* bar_urgent already adds the space before the last asterisk */
1550         if (urgent_enabled)
1551                 strlcat(fmtnew, "* +U*+4<", sz);
1552
1553         if (title_class_enabled) {
1554                 strlcat(fmtnew, "+C", sz);
1555                 if (title_name_enabled == 0)
1556                         strlcat(fmtnew, "+4<", sz);
1557         }
1558
1559         /* checks needed by the colon and floating strlcat(3) calls below */
1560         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1561                 if (title_name_enabled) {
1562                         if (title_class_enabled)
1563                                 strlcat(fmtnew, ":", sz);
1564                         strlcat(fmtnew, "+T+4<", sz);
1565                 }
1566                 if (window_name_enabled) {
1567                         if (r->ws->focus->floating)
1568                                 strlcat(fmtnew, "+F ", sz);
1569                         strlcat(fmtnew, "+64W ", sz);
1570                 }
1571         }
1572
1573         /* finally add the action script output and the version */
1574         strlcat(fmtnew, "+4<+A+4<+V", sz);
1575 }
1576
1577 void
1578 bar_replace_pad(char *tmp, int *limit, size_t sz)
1579 {
1580         /* special case; no limit given, pad one space, instead */
1581         if (*limit == sz - 1)
1582                 *limit = 1;
1583         snprintf(tmp, sz, "%*s", *limit, " ");
1584 }
1585
1586 /* replaces the bar format character sequences (like in tmux(1)) */
1587 char *
1588 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1589     size_t sz)
1590 {
1591         char                    *ptr;
1592         char                    tmp[SWM_BAR_MAX];
1593         int                     limit, size;
1594         size_t                  len;
1595
1596         /* reset strlcat(3) buffer */
1597         *tmp = '\0';
1598
1599         /* get number, if any */
1600         fmt++;
1601         size = 0;
1602         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1603                 limit = sizeof tmp - 1;
1604         if (limit <= 0 || limit >= sizeof tmp)
1605                 limit = sizeof tmp - 1;
1606
1607         /* there is nothing to replace (ie EOL) */
1608         fmt += size;
1609         if (*fmt == '\0')
1610                 return (fmt);
1611
1612         switch (*fmt) {
1613         case '<':
1614                 bar_replace_pad(tmp, &limit, sizeof tmp);
1615                 break;
1616         case 'A':
1617                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1618                 break;
1619         case 'C':
1620                 bar_class_name(tmp, sizeof tmp, r);
1621                 break;
1622         case 'D':
1623                 bar_workspace_name(tmp, sizeof tmp, r);
1624                 break;
1625         case 'F':
1626                 bar_window_float(tmp, sizeof tmp, r);
1627                 break;
1628         case 'I':
1629                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1630                 break;
1631         case 'N':
1632                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1633                 break;
1634         case 'P':
1635                 bar_class_title_name(tmp, sizeof tmp, r);
1636                 break;
1637         case 'S':
1638                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1639                 break;
1640         case 'T':
1641                 bar_title_name(tmp, sizeof tmp, r);
1642                 break;
1643         case 'U':
1644                 bar_urgent(tmp, sizeof tmp);
1645                 break;
1646         case 'V':
1647                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1648                 break;
1649         case 'W':
1650                 bar_window_name(tmp, sizeof tmp, r);
1651                 break;
1652         default:
1653                 /* unknown character sequence; copy as-is */
1654                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1655                 break;
1656         }
1657
1658         len = strlen(tmp);
1659         ptr = tmp;
1660         if (len < limit)
1661                 limit = len;
1662         while (limit-- > 0) {
1663                 if (*offrep >= sz - 1)
1664                         break;
1665                 fmtrep[(*offrep)++] = *ptr++;
1666         }
1667
1668         fmt++;
1669         return (fmt);
1670 }
1671
1672 void
1673 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1674 {
1675         size_t                  off;
1676
1677         off = 0;
1678         while (*fmt != '\0') {
1679                 if (*fmt != '+') {
1680                         /* skip ordinary characters */
1681                         if (off >= sz - 1)
1682                                 break;
1683                         fmtrep[off++] = *fmt++;
1684                         continue;
1685                 }
1686
1687                 /* character sequence found; replace it */
1688                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1689                 if (off >= sz - 1)
1690                         break;
1691         }
1692
1693         fmtrep[off] = '\0';
1694 }
1695
1696 void
1697 bar_fmt_expand(char *fmtexp, size_t sz)
1698 {
1699         char                    *fmt = NULL;
1700         size_t                  len;
1701         struct tm               tm;
1702         time_t                  tmt;
1703
1704         /* start by grabbing the current time and date */
1705         time(&tmt);
1706         localtime_r(&tmt, &tm);
1707
1708         /* figure out what to expand */
1709         if (bar_format != NULL)
1710                 fmt = bar_format;
1711         else if (bar_format == NULL && clock_enabled)
1712                 fmt = clock_format;
1713         /* if nothing to expand bail out */
1714         if (fmt == NULL) {
1715                 *fmtexp = '\0';
1716                 return;
1717         }
1718
1719         /* copy as-is, just in case the format shouldn't be expanded below */
1720         strlcpy(fmtexp, fmt, sz);
1721         /* finally pass the string through strftime(3) */
1722 #ifndef SWM_DENY_CLOCK_FORMAT
1723         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1724                 warnx("format too long");
1725         fmtexp[len] = '\0';
1726 #endif
1727 }
1728
1729 void
1730 bar_fmt_print(void)
1731 {
1732         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1733         char                    fmtrep[SWM_BAR_MAX];
1734         int                     i;
1735         struct swm_region       *r;
1736
1737         /* expand the format by first passing it through strftime(3) */
1738         bar_fmt_expand(fmtexp, sizeof fmtexp);
1739
1740         for (i = 0; i < ScreenCount(display); i++) {
1741                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1742                         if (r->bar == NULL)
1743                                 continue;
1744                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1745                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1746                         bar_print(r, fmtrep);
1747                 }
1748         }
1749 }
1750
1751 void
1752 bar_update(void)
1753 {
1754         size_t                  len;
1755         char                    *b;
1756
1757         if (bar_enabled == 0)
1758                 return;
1759         if (bar_extra && bar_extra_running) {
1760                 /* ignore short reads; it'll correct itself */
1761                 while ((b = fgetln(stdin, &len)) != NULL)
1762                         if (b && b[len - 1] == '\n') {
1763                                 b[len - 1] = '\0';
1764                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1765                         }
1766                 if (b == NULL && errno != EAGAIN) {
1767                         warn("bar_update: bar_extra failed");
1768                         bar_extra_stop();
1769                 }
1770         } else
1771                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1772
1773         bar_fmt_print();
1774         alarm(bar_delay);
1775 }
1776
1777 void
1778 bar_signal(int sig)
1779 {
1780         bar_alarm = 1;
1781 }
1782
1783 void
1784 bar_toggle(struct swm_region *r, union arg *args)
1785 {
1786         struct swm_region       *tmpr;
1787         int                     i, sc = ScreenCount(display);
1788
1789         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1790
1791         if (bar_enabled) {
1792                 for (i = 0; i < sc; i++)
1793                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1794                                 if (tmpr->bar)
1795                                         XUnmapWindow(display, tmpr->bar->id);
1796         } else {
1797                 for (i = 0; i < sc; i++)
1798                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1799                                 if (tmpr->bar)
1800                                         XMapRaised(display, tmpr->bar->id);
1801         }
1802
1803         bar_enabled = !bar_enabled;
1804
1805         stack();
1806         /* must be after stack */
1807         bar_update();
1808 }
1809
1810 void
1811 bar_refresh(void)
1812 {
1813         XSetWindowAttributes    wa;
1814         struct swm_region       *r;
1815         int                     i;
1816
1817         /* do this here because the conf file is in memory */
1818         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1819                 /* launch external status app */
1820                 bar_extra_running = 1;
1821                 if (pipe(bar_pipe) == -1)
1822                         err(1, "pipe error");
1823                 socket_setnonblock(bar_pipe[0]);
1824                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1825                 if (dup2(bar_pipe[0], 0) == -1)
1826                         err(1, "dup2");
1827                 if (dup2(bar_pipe[1], 1) == -1)
1828                         err(1, "dup2");
1829                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1830                         err(1, "could not disable SIGPIPE");
1831                 switch (bar_pid = fork()) {
1832                 case -1:
1833                         err(1, "cannot fork");
1834                         break;
1835                 case 0: /* child */
1836                         close(bar_pipe[0]);
1837                         execvp(bar_argv[0], bar_argv);
1838                         err(1, "%s external app failed", bar_argv[0]);
1839                         break;
1840                 default: /* parent */
1841                         close(bar_pipe[1]);
1842                         break;
1843                 }
1844         }
1845
1846         bzero(&wa, sizeof wa);
1847         for (i = 0; i < ScreenCount(display); i++)
1848                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1849                         if (r->bar == NULL)
1850                                 continue;
1851                         wa.border_pixel =
1852                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1853                         wa.background_pixel =
1854                             screens[i].c[SWM_S_COLOR_BAR].color;
1855                         XChangeWindowAttributes(display, r->bar->id,
1856                             CWBackPixel | CWBorderPixel, &wa);
1857                 }
1858         bar_update();
1859 }
1860
1861 void
1862 bar_setup(struct swm_region *r)
1863 {
1864         char                    *default_string;
1865         char                    **missing_charsets;
1866         int                     num_missing_charsets = 0;
1867         int                     i;
1868
1869         if (bar_fs) {
1870                 XFreeFontSet(display, bar_fs);
1871                 bar_fs = NULL;
1872         }
1873
1874         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1875                 err(1, "bar_setup: calloc: failed to allocate memory.");
1876
1877         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1878
1879         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1880             &num_missing_charsets, &default_string);
1881
1882         if (num_missing_charsets > 0) {
1883                 warnx("Unable to load charset(s):");
1884
1885                 for (i = 0; i < num_missing_charsets; ++i)
1886                         warnx("%s", missing_charsets[i]);
1887
1888                 XFreeStringList(missing_charsets);
1889
1890                 if (strcmp(default_string, ""))
1891                         warnx("Glyphs from those sets will be replaced "
1892                             "by '%s'.", default_string);
1893                 else
1894                         warnx("Glyphs from those sets won't be drawn.");
1895         }
1896
1897         if (bar_fs == NULL)
1898                 errx(1, "Error creating font set structure.");
1899
1900         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1901
1902         bar_height = bar_fs_extents->max_logical_extent.height +
1903             2 * bar_border_width;
1904
1905         if (bar_height < 1)
1906                 bar_height = 1;
1907
1908         X(r->bar) = X(r);
1909         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1910         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1911         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1912
1913         r->bar->id = XCreateSimpleWindow(display,
1914             r->s->root, X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1915             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1916             r->s->c[SWM_S_COLOR_BAR].color);
1917
1918         r->bar->buffer = XCreatePixmap(display, r->bar->id, WIDTH(r->bar),
1919             HEIGHT(r->bar), DefaultDepth(display, r->s->idx));
1920
1921         XSelectInput(display, r->bar->id, VisibilityChangeMask);
1922
1923         if (bar_enabled)
1924                 XMapRaised(display, r->bar->id);
1925
1926         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%lx, (x,y) w x h: (%d,%d) "
1927             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1928             HEIGHT(r->bar));
1929
1930         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1931                 err(1, "could not install bar_signal");
1932         bar_refresh();
1933 }
1934
1935 void
1936 bar_cleanup(struct swm_region *r)
1937 {
1938         if (r->bar == NULL)
1939                 return;
1940         xcb_destroy_window(conn, r->bar->id);
1941         xcb_free_pixmap(conn, r->bar->buffer);
1942         free(r->bar);
1943         r->bar = NULL;
1944 }
1945
1946 void
1947 drain_enter_notify(void)
1948 {
1949         int                     i = 0;
1950         XEvent                  cne;
1951
1952         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1953                 i++;
1954
1955         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
1956 }
1957
1958 void
1959 set_win_state(struct ws_win *win, long state)
1960 {
1961         long                    data[] = {state, None};
1962
1963         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%lx\n", win->id);
1964
1965         if (win == NULL)
1966                 return;
1967
1968         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1969             (unsigned char *)data, 2);
1970 }
1971
1972 long
1973 getstate(Window w)
1974 {
1975         long                    result = -1;
1976         unsigned char           *p = NULL;
1977         unsigned long           n;
1978
1979         if (!get_property(w, astate, 2L, astate, &n, NULL, &p))
1980                 return (-1);
1981         if (n != 0)
1982                 result = *((long *)p);
1983         XFree(p);
1984         return (result);
1985 }
1986
1987 void
1988 version(struct swm_region *r, union arg *args)
1989 {
1990         bar_version = !bar_version;
1991         if (bar_version)
1992                 snprintf(bar_vertext, sizeof bar_vertext,
1993                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1994         else
1995                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1996         bar_update();
1997 }
1998
1999 void
2000 client_msg(struct ws_win *win, Atom a)
2001 {
2002         XClientMessageEvent     cm;
2003
2004         if (win == NULL)
2005                 return;
2006
2007         bzero(&cm, sizeof cm);
2008         cm.type = ClientMessage;
2009         cm.window = win->id;
2010         cm.message_type = aprot;
2011         cm.format = 32;
2012         cm.data.l[0] = a;
2013         cm.data.l[1] = CurrentTime;
2014         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
2015 }
2016
2017 /* synthetic response to a ConfigureRequest when not making a change */
2018 void
2019 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
2020 {
2021         XConfigureEvent         ce;
2022
2023         if (win == NULL)
2024                 return;
2025
2026         /* send notification of unchanged state. */
2027         ce.type = ConfigureNotify;
2028         ce.x = X(win);
2029         ce.y = Y(win);
2030         ce.width = WIDTH(win);
2031         ce.height = HEIGHT(win);
2032         ce.override_redirect = False;
2033
2034         if (ev == NULL) {
2035                 /* EWMH */
2036                 ce.display = display;
2037                 ce.event = win->id;
2038                 ce.window = win->id;
2039                 ce.border_width = BORDER(win);
2040                 ce.above = None;
2041         } else {
2042                 /* normal */
2043                 ce.display = ev->display;
2044                 ce.event = ev->window;
2045                 ce.window = ev->window;
2046
2047                 /* make response appear more WM_SIZE_HINTS-compliant */
2048                 if (win->sh_mask)
2049                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%lx,"
2050                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
2051                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
2052                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2053                             SH_INC_W(win), SH_INC_H(win));
2054
2055                 /* min size */
2056                 if (SH_MIN(win)) {
2057                         /* the hint may be set... to 0! */
2058                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2059                                 ce.width = SH_MIN_W(win);
2060                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2061                                 ce.height = SH_MIN_H(win);
2062                 }
2063
2064                 /* max size */
2065                 if (SH_MAX(win)) {
2066                         /* may also be advertized as 0 */
2067                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2068                                 ce.width = SH_MAX_W(win);
2069                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2070                                 ce.height = SH_MAX_H(win);
2071                 }
2072
2073                 /* resize increment. */
2074                 if (SH_INC(win)) {
2075                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2076                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2077                                     SH_INC_W(win);
2078                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2079                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2080                                     SH_INC_H(win);
2081                 }
2082
2083                 /* adjust x and y for requested border_width. */
2084                 ce.x += BORDER(win) - ev->border_width;
2085                 ce.y += BORDER(win) - ev->border_width;
2086                 ce.border_width = ev->border_width;
2087                 ce.above = ev->above;
2088         }
2089
2090         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
2091             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2092             ce.y, ce.width, ce.height, ce.border_width);
2093
2094         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
2095 }
2096
2097 int
2098 count_win(struct workspace *ws, int count_transient)
2099 {
2100         struct ws_win           *win;
2101         int                     count = 0;
2102
2103         TAILQ_FOREACH(win, &ws->winlist, entry) {
2104                 if (count_transient == 0 && win->floating)
2105                         continue;
2106                 if (count_transient == 0 && win->transient)
2107                         continue;
2108                 if (win->iconic)
2109                         continue;
2110                 count++;
2111         }
2112         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2113
2114         return (count);
2115 }
2116
2117 void
2118 quit(struct swm_region *r, union arg *args)
2119 {
2120         DNPRINTF(SWM_D_MISC, "quit\n");
2121         running = 0;
2122 }
2123
2124 void
2125 unmap_window(struct ws_win *win)
2126 {
2127         if (win == NULL)
2128                 return;
2129
2130         /* don't unmap again */
2131         if (getstate(win->id) == IconicState)
2132                 return;
2133
2134         set_win_state(win, IconicState);
2135
2136         XUnmapWindow(display, win->id);
2137         XSetWindowBorder(display, win->id,
2138             win->s->c[SWM_S_COLOR_UNFOCUS].color);
2139 }
2140
2141 void
2142 unmap_all(void)
2143 {
2144         struct ws_win           *win;
2145         int                     i, j;
2146
2147         for (i = 0; i < ScreenCount(display); i++)
2148                 for (j = 0; j < workspace_limit; j++)
2149                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2150                                 unmap_window(win);
2151 }
2152
2153 void
2154 fake_keypress(struct ws_win *win, int keysym, int modifiers)
2155 {
2156         XKeyEvent event;
2157
2158         if (win == NULL)
2159                 return;
2160
2161         event.display = display;        /* Ignored, but what the hell */
2162         event.window = win->id;
2163         event.root = win->s->root;
2164         event.subwindow = None;
2165         event.time = CurrentTime;
2166         event.x = X(win);
2167         event.y = Y(win);
2168         event.x_root = 1;
2169         event.y_root = 1;
2170         event.same_screen = True;
2171         event.keycode = XKeysymToKeycode(display, keysym);
2172         event.state = modifiers;
2173
2174         event.type = KeyPress;
2175         XSendEvent(event.display, event.window, True,
2176             KeyPressMask, (XEvent *)&event);
2177
2178         event.type = KeyRelease;
2179         XSendEvent(event.display, event.window, True,
2180             KeyPressMask, (XEvent *)&event);
2181
2182 }
2183
2184 void
2185 restart(struct swm_region *r, union arg *args)
2186 {
2187         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2188
2189         /* disable alarm because the following code may not be interrupted */
2190         alarm(0);
2191         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2192                 err(1, "can't disable alarm");
2193
2194         bar_extra_stop();
2195         bar_extra = 1;
2196         unmap_all();
2197         xcb_disconnect(conn);
2198         XCloseDisplay(display);
2199         execvp(start_argv[0], start_argv);
2200         warn("execvp failed");
2201         quit(NULL, NULL);
2202 }
2203
2204 struct swm_region *
2205 root_to_region(Window root)
2206 {
2207         struct swm_region       *r = NULL;
2208         Window                  rr, cr;
2209         int                     i, x, y, wx, wy;
2210         unsigned int            mask;
2211
2212         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%lx\n", root);
2213
2214         for (i = 0; i < ScreenCount(display); i++)
2215                 if (screens[i].root == root)
2216                         break;
2217
2218         if (XQueryPointer(display, screens[i].root,
2219             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
2220                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2221                     x, y);
2222                 /* choose a region based on pointer location */
2223                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2224                         if (X(r) <= x && x < MAX_X(r) &&
2225                             Y(r) <= y && y < MAX_Y(r))
2226                                 break;
2227         }
2228
2229         if (r == NULL)
2230                 r = TAILQ_FIRST(&screens[i].rl);
2231
2232         return (r);
2233 }
2234
2235 struct ws_win *
2236 find_unmanaged_window(Window id)
2237 {
2238         struct ws_win           *win;
2239         int                     i, j;
2240
2241         for (i = 0; i < ScreenCount(display); i++)
2242                 for (j = 0; j < workspace_limit; j++)
2243                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2244                             entry)
2245                                 if (id == win->id)
2246                                         return (win);
2247         return (NULL);
2248 }
2249
2250 struct ws_win *
2251 find_window(Window id)
2252 {
2253         struct ws_win           *win;
2254         Window                  wrr, wpr, *wcr = NULL;
2255         int                     i, j;
2256         unsigned int            nc;
2257
2258         for (i = 0; i < ScreenCount(display); i++)
2259                 for (j = 0; j < workspace_limit; j++)
2260                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2261                                 if (id == win->id)
2262                                         return (win);
2263
2264         /* if we were looking for the parent return that window instead */
2265         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
2266                 return (NULL);
2267         if (wcr)
2268                 XFree(wcr);
2269
2270         /* ignore not found and root */
2271         if (wpr == 0 || wrr == wpr)
2272                 return (NULL);
2273
2274         /* look for parent */
2275         for (i = 0; i < ScreenCount(display); i++)
2276                 for (j = 0; j < workspace_limit; j++)
2277                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2278                                 if (wpr == win->id)
2279                                         return (win);
2280
2281         return (NULL);
2282 }
2283
2284 void
2285 spawn(int ws_idx, union arg *args, int close_fd)
2286 {
2287         int                     fd;
2288         char                    *ret = NULL;
2289
2290         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2291
2292         if (display)
2293                 close(ConnectionNumber(display));
2294
2295         setenv("LD_PRELOAD", SWM_LIB, 1);
2296
2297         if (asprintf(&ret, "%d", ws_idx) == -1) {
2298                 warn("spawn: asprintf SWM_WS");
2299                 _exit(1);
2300         }
2301         setenv("_SWM_WS", ret, 1);
2302         free(ret);
2303         ret = NULL;
2304
2305         if (asprintf(&ret, "%d", getpid()) == -1) {
2306                 warn("spawn: asprintf _SWM_PID");
2307                 _exit(1);
2308         }
2309         setenv("_SWM_PID", ret, 1);
2310         free(ret);
2311         ret = NULL;
2312
2313         if (setsid() == -1) {
2314                 warn("spawn: setsid");
2315                 _exit(1);
2316         }
2317
2318         if (close_fd) {
2319                 /*
2320                  * close stdin and stdout to prevent interaction between apps
2321                  * and the baraction script
2322                  * leave stderr open to record errors
2323                 */
2324                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2325                         warn("spawn: open");
2326                         _exit(1);
2327                 }
2328                 dup2(fd, STDIN_FILENO);
2329                 dup2(fd, STDOUT_FILENO);
2330                 if (fd > 2)
2331                         close(fd);
2332         }
2333
2334         execvp(args->argv[0], args->argv);
2335
2336         warn("spawn: execvp");
2337         _exit(1);
2338 }
2339
2340 void
2341 kill_refs(struct ws_win *win)
2342 {
2343         int                     i, x;
2344         struct swm_region       *r;
2345         struct workspace        *ws;
2346
2347         if (win == NULL)
2348                 return;
2349
2350         for (i = 0; i < ScreenCount(display); i++)
2351                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2352                         for (x = 0; x < workspace_limit; x++) {
2353                                 ws = &r->s->ws[x];
2354                                 if (win == ws->focus)
2355                                         ws->focus = NULL;
2356                                 if (win == ws->focus_prev)
2357                                         ws->focus_prev = NULL;
2358                         }
2359 }
2360
2361 int
2362 validate_win(struct ws_win *testwin)
2363 {
2364         struct ws_win           *win;
2365         struct workspace        *ws;
2366         struct swm_region       *r;
2367         int                     i, x;
2368
2369         if (testwin == NULL)
2370                 return (0);
2371
2372         for (i = 0; i < ScreenCount(display); i++)
2373                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2374                         for (x = 0; x < workspace_limit; x++) {
2375                                 ws = &r->s->ws[x];
2376                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2377                                         if (win == testwin)
2378                                                 return (0);
2379                         }
2380         return (1);
2381 }
2382
2383 int
2384 validate_ws(struct workspace *testws)
2385 {
2386         struct swm_region       *r;
2387         struct workspace        *ws;
2388         int                     i, x;
2389
2390         /* validate all ws */
2391         for (i = 0; i < ScreenCount(display); i++)
2392                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2393                         for (x = 0; x < workspace_limit; x++) {
2394                                 ws = &r->s->ws[x];
2395                                 if (ws == testws)
2396                                         return (0);
2397                         }
2398         return (1);
2399 }
2400
2401 void
2402 unfocus_win(struct ws_win *win)
2403 {
2404         XEvent                  cne;
2405         Window                  none = None;
2406
2407         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2408
2409         if (win == NULL)
2410                 return;
2411         if (win->ws == NULL)
2412                 return;
2413
2414         if (validate_ws(win->ws))
2415                 return; /* XXX this gets hit with thunderbird, needs fixing */
2416
2417         if (win->ws->r == NULL)
2418                 return;
2419
2420         if (validate_win(win)) {
2421                 kill_refs(win);
2422                 return;
2423         }
2424
2425         if (win->ws->focus == win) {
2426                 win->ws->focus = NULL;
2427                 win->ws->focus_prev = win;
2428         }
2429
2430         if (validate_win(win->ws->focus)) {
2431                 kill_refs(win->ws->focus);
2432                 win->ws->focus = NULL;
2433         }
2434         if (validate_win(win->ws->focus_prev)) {
2435                 kill_refs(win->ws->focus_prev);
2436                 win->ws->focus_prev = NULL;
2437         }
2438
2439         /* drain all previous unfocus events */
2440         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2441                 ;
2442
2443         grabbuttons(win, 0);
2444         XSetWindowBorder(display, win->id,
2445             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2446
2447         XChangeProperty(display, win->s->root,
2448             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2449             PropModeReplace, (unsigned char *)&none, 1);
2450 }
2451
2452 void
2453 unfocus_all(void)
2454 {
2455         struct ws_win           *win;
2456         int                     i, j;
2457
2458         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2459
2460         for (i = 0; i < ScreenCount(display); i++)
2461                 for (j = 0; j < workspace_limit; j++)
2462                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2463                                 unfocus_win(win);
2464 }
2465
2466 void
2467 focus_win(struct ws_win *win)
2468 {
2469         XEvent                  cne;
2470         Window                  cur_focus;
2471         int                     rr;
2472         struct ws_win           *cfw = NULL;
2473
2474
2475         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2476
2477         if (win == NULL)
2478                 return;
2479         if (win->ws == NULL)
2480                 return;
2481
2482         if (validate_ws(win->ws))
2483                 return; /* XXX this gets hit with thunderbird, needs fixing */
2484
2485         if (validate_win(win)) {
2486                 kill_refs(win);
2487                 return;
2488         }
2489
2490         if (validate_win(win)) {
2491                 kill_refs(win);
2492                 return;
2493         }
2494
2495         XGetInputFocus(display, &cur_focus, &rr);
2496         if ((cfw = find_window(cur_focus)) != NULL)
2497                 unfocus_win(cfw);
2498         else {
2499                 /* use larger hammer since the window was killed somehow */
2500                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2501                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2502                                 XSetWindowBorder(display, cfw->id,
2503                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2504         }
2505
2506         win->ws->focus = win;
2507
2508         if (win->ws->r != NULL) {
2509                 /* drain all previous focus events */
2510                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2511                         ;
2512
2513                 if (win->java == 0)
2514                         XSetInputFocus(display, win->id,
2515                             RevertToParent, CurrentTime);
2516                 grabbuttons(win, 1);
2517                 XSetWindowBorder(display, win->id,
2518                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2519                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2520                     win->ws->always_raise)
2521                         XMapRaised(display, win->id);
2522
2523                 XChangeProperty(display, win->s->root,
2524                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2525                     PropModeReplace, (unsigned char *)&win->id, 1);
2526         }
2527
2528         bar_update();
2529 }
2530
2531 void
2532 switchws(struct swm_region *r, union arg *args)
2533 {
2534         int                     wsid = args->id, unmap_old = 0;
2535         struct swm_region       *this_r, *other_r;
2536         struct ws_win           *win;
2537         struct workspace        *new_ws, *old_ws;
2538         union arg               a;
2539
2540         if (!(r && r->s))
2541                 return;
2542
2543         if (wsid >= workspace_limit)
2544                 return;
2545
2546         this_r = r;
2547         old_ws = this_r->ws;
2548         new_ws = &this_r->s->ws[wsid];
2549
2550         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2551             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2552
2553         if (new_ws == NULL || old_ws == NULL)
2554                 return;
2555         if (new_ws == old_ws)
2556                 return;
2557
2558         other_r = new_ws->r;
2559         if (other_r == NULL) {
2560                 /* the other workspace is hidden, hide this one */
2561                 old_ws->r = NULL;
2562                 unmap_old = 1;
2563         } else {
2564                 /* the other ws is visible in another region, exchange them */
2565                 other_r->ws_prior = new_ws;
2566                 other_r->ws = old_ws;
2567                 old_ws->r = other_r;
2568         }
2569         this_r->ws_prior = old_ws;
2570         this_r->ws = new_ws;
2571         new_ws->r = this_r;
2572
2573         /* this is needed so that we can click on a window after a restart */
2574         unfocus_all();
2575
2576         stack();
2577         a.id = SWM_ARG_ID_FOCUSCUR;
2578         focus(new_ws->r, &a);
2579
2580         /* unmap old windows */
2581         if (unmap_old)
2582                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2583                         unmap_window(win);
2584
2585         if (focus_mode == SWM_FOCUS_DEFAULT)
2586                 drain_enter_notify();
2587 }
2588
2589 void
2590 cyclews(struct swm_region *r, union arg *args)
2591 {
2592         union                   arg a;
2593         struct swm_screen       *s = r->s;
2594         int                     cycle_all = 0;
2595
2596         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2597             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2598
2599         a.id = r->ws->idx;
2600         do {
2601                 switch (args->id) {
2602                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2603                         cycle_all = 1;
2604                         /* FALLTHROUGH */
2605                 case SWM_ARG_ID_CYCLEWS_UP:
2606                         if (a.id < workspace_limit - 1)
2607                                 a.id++;
2608                         else
2609                                 a.id = 0;
2610                         break;
2611                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2612                         cycle_all = 1;
2613                         /* FALLTHROUGH */
2614                 case SWM_ARG_ID_CYCLEWS_DOWN:
2615                         if (a.id > 0)
2616                                 a.id--;
2617                         else
2618                                 a.id = workspace_limit - 1;
2619                         break;
2620                 default:
2621                         return;
2622                 };
2623
2624                 if (!cycle_all &&
2625                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2626                         continue;
2627                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2628                         continue;
2629
2630                 switchws(r, &a);
2631         } while (a.id != r->ws->idx);
2632 }
2633
2634 void
2635 priorws(struct swm_region *r, union arg *args)
2636 {
2637         union arg               a;
2638
2639         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2640             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2641
2642         if (r->ws_prior == NULL)
2643                 return;
2644
2645         a.id = r->ws_prior->idx;
2646         switchws(r, &a);
2647 }
2648
2649 void
2650 cyclescr(struct swm_region *r, union arg *args)
2651 {
2652         struct swm_region       *rr = NULL;
2653         union arg               a;
2654         int                     i, x, y;
2655
2656         /* do nothing if we don't have more than one screen */
2657         if (!(ScreenCount(display) > 1 || outputs > 1))
2658                 return;
2659
2660         i = r->s->idx;
2661         switch (args->id) {
2662         case SWM_ARG_ID_CYCLESC_UP:
2663                 rr = TAILQ_NEXT(r, entry);
2664                 if (rr == NULL)
2665                         rr = TAILQ_FIRST(&screens[i].rl);
2666                 break;
2667         case SWM_ARG_ID_CYCLESC_DOWN:
2668                 rr = TAILQ_PREV(r, swm_region_list, entry);
2669                 if (rr == NULL)
2670                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2671                 break;
2672         default:
2673                 return;
2674         };
2675         if (rr == NULL)
2676                 return;
2677
2678         /* move mouse to region */
2679         x = X(rr) + 1;
2680         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2681         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2682
2683         a.id = SWM_ARG_ID_FOCUSCUR;
2684         focus(rr, &a);
2685
2686         if (rr->ws->focus) {
2687                 /* move to focus window */
2688                 x = X(rr->ws->focus) + 1;
2689                 y = Y(rr->ws->focus) + 1;
2690                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2691         }
2692 }
2693
2694 void
2695 sort_windows(struct ws_win_list *wl)
2696 {
2697         struct ws_win           *win, *parent, *nxt;
2698
2699         if (wl == NULL)
2700                 return;
2701
2702         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2703                 nxt = TAILQ_NEXT(win, entry);
2704                 if (win->transient) {
2705                         parent = find_window(win->transient);
2706                         if (parent == NULL) {
2707                                 warnx("not possible bug");
2708                                 continue;
2709                         }
2710                         TAILQ_REMOVE(wl, win, entry);
2711                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2712                 }
2713         }
2714
2715 }
2716
2717 void
2718 swapwin(struct swm_region *r, union arg *args)
2719 {
2720         struct ws_win           *target, *source;
2721         struct ws_win           *cur_focus;
2722         struct ws_win_list      *wl;
2723
2724
2725         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2726             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2727
2728         cur_focus = r->ws->focus;
2729         if (cur_focus == NULL)
2730                 return;
2731
2732         source = cur_focus;
2733         wl = &source->ws->winlist;
2734
2735         switch (args->id) {
2736         case SWM_ARG_ID_SWAPPREV:
2737                 if (source->transient)
2738                         source = find_window(source->transient);
2739                 target = TAILQ_PREV(source, ws_win_list, entry);
2740                 if (target && target->transient)
2741                         target = find_window(target->transient);
2742                 TAILQ_REMOVE(wl, source, entry);
2743                 if (target == NULL)
2744                         TAILQ_INSERT_TAIL(wl, source, entry);
2745                 else
2746                         TAILQ_INSERT_BEFORE(target, source, entry);
2747                 break;
2748         case SWM_ARG_ID_SWAPNEXT:
2749                 target = TAILQ_NEXT(source, entry);
2750                 /* move the parent and let the sort handle the move */
2751                 if (source->transient)
2752                         source = find_window(source->transient);
2753                 TAILQ_REMOVE(wl, source, entry);
2754                 if (target == NULL)
2755                         TAILQ_INSERT_HEAD(wl, source, entry);
2756                 else
2757                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2758                 break;
2759         case SWM_ARG_ID_SWAPMAIN:
2760                 target = TAILQ_FIRST(wl);
2761                 if (target == source) {
2762                         if (source->ws->focus_prev != NULL &&
2763                             source->ws->focus_prev != target)
2764                                 source = source->ws->focus_prev;
2765                         else
2766                                 return;
2767                 }
2768                 if (target == NULL || source == NULL)
2769                         return;
2770                 source->ws->focus_prev = target;
2771                 TAILQ_REMOVE(wl, target, entry);
2772                 TAILQ_INSERT_BEFORE(source, target, entry);
2773                 TAILQ_REMOVE(wl, source, entry);
2774                 TAILQ_INSERT_HEAD(wl, source, entry);
2775                 break;
2776         case SWM_ARG_ID_MOVELAST:
2777                 TAILQ_REMOVE(wl, source, entry);
2778                 TAILQ_INSERT_TAIL(wl, source, entry);
2779                 break;
2780         default:
2781                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2782                 return;
2783         }
2784
2785         sort_windows(wl);
2786
2787         stack();
2788 }
2789
2790 void
2791 focus_prev(struct ws_win *win)
2792 {
2793         struct ws_win           *winfocus = NULL;
2794         struct ws_win           *cur_focus = NULL;
2795         struct ws_win_list      *wl = NULL;
2796         struct workspace        *ws = NULL;
2797
2798         if (!(win && win->ws))
2799                 return;
2800
2801         ws = win->ws;
2802         wl = &ws->winlist;
2803         cur_focus = ws->focus;
2804
2805         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx, cur_focus: 0x%lx\n",
2806             WINID(win), WINID(cur_focus));
2807
2808         /* pickle, just focus on whatever */
2809         if (cur_focus == NULL) {
2810                 /* use prev_focus if valid */
2811                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2812                     find_window(WINID(ws->focus_prev)))
2813                         winfocus = ws->focus_prev;
2814                 goto done;
2815         }
2816
2817         /* if transient focus on parent */
2818         if (cur_focus->transient) {
2819                 winfocus = find_window(cur_focus->transient);
2820                 goto done;
2821         }
2822
2823         /* if in max_stack try harder */
2824         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2825             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2826                 if (cur_focus != ws->focus_prev)
2827                         winfocus = ws->focus_prev;
2828                 else
2829                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2830                 if (winfocus)
2831                         goto done;
2832         }
2833
2834         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2835
2836         if (winfocus == NULL || winfocus == win) {
2837                 switch (focus_close) {
2838                 case SWM_STACK_BOTTOM:
2839                         winfocus = TAILQ_FIRST(wl);
2840                         break;
2841                 case SWM_STACK_TOP:
2842                         winfocus = TAILQ_LAST(wl, ws_win_list);
2843                         break;
2844                 case SWM_STACK_ABOVE:
2845                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2846                                 if (focus_close_wrap)
2847                                         winfocus = TAILQ_FIRST(wl);
2848                                 else
2849                                         winfocus = TAILQ_PREV(cur_focus,
2850                                             ws_win_list, entry);
2851                         }
2852                         break;
2853                 case SWM_STACK_BELOW:
2854                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2855                             entry)) == NULL) {
2856                                 if (focus_close_wrap)
2857                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2858                                 else
2859                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2860                         }
2861                         break;
2862                 }
2863         }
2864 done:
2865         if (winfocus == NULL) {
2866                 if (focus_default == SWM_STACK_TOP)
2867                         winfocus = TAILQ_LAST(wl, ws_win_list);
2868                 else
2869                         winfocus = TAILQ_FIRST(wl);
2870         }
2871
2872         kill_refs(win);
2873         focus_magic(winfocus);
2874 }
2875
2876 void
2877 focus(struct swm_region *r, union arg *args)
2878 {
2879         struct ws_win           *winfocus = NULL, *head;
2880         struct ws_win           *cur_focus = NULL;
2881         struct ws_win_list      *wl = NULL;
2882         struct workspace        *ws = NULL;
2883         int                     all_iconics;
2884
2885         if (!(r && r->ws))
2886                 return;
2887
2888         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2889
2890         /* treat FOCUS_CUR special */
2891         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2892                 if (r->ws->focus && r->ws->focus->iconic == 0)
2893                         winfocus = r->ws->focus;
2894                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2895                         winfocus = r->ws->focus_prev;
2896                 else
2897                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2898                                 if (winfocus->iconic == 0)
2899                                         break;
2900
2901                 focus_magic(winfocus);
2902                 return;
2903         }
2904
2905         if ((cur_focus = r->ws->focus) == NULL)
2906                 return;
2907         ws = r->ws;
2908         wl = &ws->winlist;
2909         if (TAILQ_EMPTY(wl))
2910                 return;
2911         /* make sure there is at least one uniconified window */
2912         all_iconics = 1;
2913         TAILQ_FOREACH(winfocus, wl, entry)
2914                 if (winfocus->iconic == 0) {
2915                         all_iconics = 0;
2916                         break;
2917                 }
2918         if (all_iconics)
2919                 return;
2920
2921         switch (args->id) {
2922         case SWM_ARG_ID_FOCUSPREV:
2923                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2924                 if (head == NULL)
2925                         head = TAILQ_LAST(wl, ws_win_list);
2926                 winfocus = head;
2927                 if (WINID(winfocus) == cur_focus->transient) {
2928                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2929                         if (head == NULL)
2930                                 head = TAILQ_LAST(wl, ws_win_list);
2931                         winfocus = head;
2932                 }
2933
2934                 /* skip iconics */
2935                 if (winfocus && winfocus->iconic) {
2936                         while (winfocus != cur_focus) {
2937                                 if (winfocus == NULL)
2938                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2939                                 if (winfocus->iconic == 0)
2940                                         break;
2941                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2942                                     entry);
2943                         }
2944                 }
2945                 break;
2946
2947         case SWM_ARG_ID_FOCUSNEXT:
2948                 head = TAILQ_NEXT(cur_focus, entry);
2949                 if (head == NULL)
2950                         head = TAILQ_FIRST(wl);
2951                 winfocus = head;
2952
2953                 /* skip iconics */
2954                 if (winfocus && winfocus->iconic) {
2955                         while (winfocus != cur_focus) {
2956                                 if (winfocus == NULL)
2957                                         winfocus = TAILQ_FIRST(wl);
2958                                 if (winfocus->iconic == 0)
2959                                         break;
2960                                 winfocus = TAILQ_NEXT(winfocus, entry);
2961                         }
2962                 }
2963                 break;
2964
2965         case SWM_ARG_ID_FOCUSMAIN:
2966                 winfocus = TAILQ_FIRST(wl);
2967                 if (winfocus == cur_focus)
2968                         winfocus = cur_focus->ws->focus_prev;
2969                 break;
2970
2971         default:
2972                 return;
2973         }
2974
2975         focus_magic(winfocus);
2976 }
2977
2978 void
2979 cycle_layout(struct swm_region *r, union arg *args)
2980 {
2981         struct workspace        *ws = r->ws;
2982         union arg               a;
2983
2984         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2985
2986         ws->cur_layout++;
2987         if (ws->cur_layout->l_stack == NULL)
2988                 ws->cur_layout = &layouts[0];
2989
2990         stack();
2991         if (focus_mode == SWM_FOCUS_DEFAULT)
2992                 drain_enter_notify();
2993         a.id = SWM_ARG_ID_FOCUSCUR;
2994         focus(r, &a);
2995 }
2996
2997 void
2998 stack_config(struct swm_region *r, union arg *args)
2999 {
3000         struct workspace        *ws = r->ws;
3001
3002         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3003             args->id, ws->idx);
3004
3005         if (ws->cur_layout->l_config != NULL)
3006                 ws->cur_layout->l_config(ws, args->id);
3007
3008         if (args->id != SWM_ARG_ID_STACKINIT)
3009                 stack();
3010         bar_update();
3011 }
3012
3013 void
3014 stack(void) {
3015         struct swm_geometry     g;
3016         struct swm_region       *r;
3017         int                     i;
3018 #ifdef SWM_DEBUG
3019         int j;
3020 #endif
3021
3022         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3023
3024         for (i = 0; i < ScreenCount(display); i++) {
3025 #ifdef SWM_DEBUG
3026                 j = 0;
3027 #endif
3028                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3029                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3030                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3031
3032                         /* start with screen geometry, adjust for bar */
3033                         g = r->g;
3034                         g.w -= 2 * border_width;
3035                         g.h -= 2 * border_width;
3036                         if (bar_enabled) {
3037                                 if (!bar_at_bottom)
3038                                         g.y += bar_height;
3039                                 g.h -= bar_height;
3040                         }
3041                         r->ws->cur_layout->l_stack(r->ws, &g);
3042                         r->ws->cur_layout->l_string(r->ws);
3043                         /* save r so we can track region changes */
3044                         r->ws->old_r = r;
3045                 }
3046         }
3047         if (font_adjusted)
3048                 font_adjusted--;
3049
3050         if (focus_mode == SWM_FOCUS_DEFAULT)
3051                 drain_enter_notify();
3052
3053         DNPRINTF(SWM_D_STACK, "stack: end\n");
3054 }
3055
3056 void
3057 store_float_geom(struct ws_win *win, struct swm_region *r)
3058 {
3059         /* retain window geom and region geom */
3060         win->g_float = win->g;
3061         win->g_float.x -= X(r);
3062         win->g_float.y -= Y(r);
3063         win->g_floatvalid = 1;
3064         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%lx, g: (%d,%d)"
3065             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3066             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3067             win->g_float.w, win->g_float.h);
3068 }
3069
3070 void
3071 stack_floater(struct ws_win *win, struct swm_region *r)
3072 {
3073         if (win == NULL)
3074                 return;
3075
3076         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%lx\n", win->id);
3077
3078         /*
3079          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3080          * geom on ws switches or return from max mode
3081          */
3082         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3083             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3084                 /* refloat at last floating relative position */
3085                 win->g = win->g_float;
3086                 X(win) += X(r);
3087                 Y(win) += Y(r);
3088         }
3089
3090         win->floatmaxed = 0;
3091
3092         /*
3093          * if set to fullscreen mode, configure window to maximum size.
3094          */
3095         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3096                 if (!win->g_floatvalid)
3097                         store_float_geom(win, win->ws->r);
3098
3099                 win->g = win->ws->r->g;
3100         }
3101
3102         /*
3103          * remove border on fullscreen floater when in fullscreen mode or when
3104          * the quirk is present.
3105          */
3106         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3107             ((win->quirks & SWM_Q_FULLSCREEN) &&
3108              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3109                 if (win->bordered) {
3110                         win->bordered = 0;
3111                         X(win) += border_width;
3112                         Y(win) += border_width;
3113                 }
3114         } else if (!win->bordered) {
3115                 win->bordered = 1;
3116                 X(win) -= border_width;
3117                 Y(win) -= border_width;
3118         }
3119
3120         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3121                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3122                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3123         }
3124
3125         if (!win->manual) {
3126                 /*
3127                  * floaters and transients are auto-centred unless moved
3128                  * or resized
3129                  */
3130                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3131                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3132         }
3133
3134         /* keep window within region bounds */
3135         constrain_window(win, r, 0);
3136
3137         update_window(win);
3138 }
3139
3140 /*
3141  * Send keystrokes to terminal to decrease/increase the font size as the
3142  * window size changes.
3143  */
3144 void
3145 adjust_font(struct ws_win *win)
3146 {
3147         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3148             win->floating || win->transient)
3149                 return;
3150
3151         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3152             WIDTH(win) / win->sh.width_inc < term_width &&
3153             win->font_steps < SWM_MAX_FONT_STEPS) {
3154                 win->font_size_boundary[win->font_steps] =
3155                     (win->sh.width_inc * term_width) + win->sh.base_width;
3156                 win->font_steps++;
3157                 font_adjusted++;
3158                 win->last_inc = win->sh.width_inc;
3159                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3160         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3161             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3162                 win->font_steps--;
3163                 font_adjusted++;
3164                 win->last_inc = win->sh.width_inc;
3165                 fake_keypress(win, XK_KP_Add, ShiftMask);
3166         }
3167 }
3168
3169 #define SWAPXY(g)       do {                            \
3170         int tmp;                                        \
3171         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3172         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3173 } while (0)
3174 void
3175 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3176 {
3177         XWindowAttributes       wa;
3178         struct swm_geometry     win_g, r_g = *g;
3179         struct ws_win           *win, *fs_win = NULL;
3180         int                     i, j, s, stacks;
3181         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3182         int                     hrh, extra = 0, h_slice, last_h = 0;
3183         int                     split, colno, winno, mwin, msize, mscale;
3184         int                     remain, missing, v_slice, reconfigure;
3185         int                     bordered = 1;
3186
3187         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3188             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3189
3190         winno = count_win(ws, 0);
3191         if (winno == 0 && count_win(ws, 1) == 0)
3192                 return;
3193
3194         TAILQ_FOREACH(win, &ws->winlist, entry)
3195                 if (win->transient == 0 && win->floating == 0
3196                     && win->iconic == 0)
3197                         break;
3198
3199         if (win == NULL)
3200                 goto notiles;
3201
3202         if (rot) {
3203                 w_inc = win->sh.width_inc;
3204                 w_base = win->sh.base_width;
3205                 mwin = ws->l_state.horizontal_mwin;
3206                 mscale = ws->l_state.horizontal_msize;
3207                 stacks = ws->l_state.horizontal_stacks;
3208                 SWAPXY(&r_g);
3209         } else {
3210                 w_inc = win->sh.height_inc;
3211                 w_base = win->sh.base_height;
3212                 mwin = ws->l_state.vertical_mwin;
3213                 mscale = ws->l_state.vertical_msize;
3214                 stacks = ws->l_state.vertical_stacks;
3215         }
3216         win_g = r_g;
3217
3218         if (stacks > winno - mwin)
3219                 stacks = winno - mwin;
3220         if (stacks < 1)
3221                 stacks = 1;
3222
3223         h_slice = r_g.h / SWM_H_SLICE;
3224         if (mwin && winno > mwin) {
3225                 v_slice = r_g.w / SWM_V_SLICE;
3226
3227                 split = mwin;
3228                 colno = split;
3229                 win_g.w = v_slice * mscale;
3230
3231                 if (w_inc > 1 && w_inc < v_slice) {
3232                         /* adjust for window's requested size increment */
3233                         remain = (win_g.w - w_base) % w_inc;
3234                         win_g.w -= remain;
3235                 }
3236
3237                 msize = win_g.w;
3238                 if (flip)
3239                         win_g.x += r_g.w - msize;
3240         } else {
3241                 msize = -2;
3242                 colno = split = winno / stacks;
3243                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3244                     2 * border_width) / stacks);
3245         }
3246         hrh = r_g.h / colno;
3247         extra = r_g.h - (colno * hrh);
3248         win_g.h = hrh - 2 * border_width;
3249
3250         /*  stack all the tiled windows */
3251         i = j = 0, s = stacks;
3252         TAILQ_FOREACH(win, &ws->winlist, entry) {
3253                 if (win->transient != 0 || win->floating != 0)
3254                         continue;
3255                 if (win->iconic != 0)
3256                         continue;
3257
3258                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3259                         fs_win = win;
3260                         continue;
3261                 }
3262
3263                 if (split && i == split) {
3264                         colno = (winno - mwin) / stacks;
3265                         if (s <= (winno - mwin) % stacks)
3266                                 colno++;
3267                         split = split + colno;
3268                         hrh = (r_g.h / colno);
3269                         extra = r_g.h - (colno * hrh);
3270                         if (flip)
3271                                 win_g.x = r_g.x;
3272                         else
3273                                 win_g.x += win_g.w + 2 * border_width;
3274                         win_g.w = (r_g.w - msize -
3275                             (stacks * 2 * border_width)) / stacks;
3276                         if (s == 1)
3277                                 win_g.w += (r_g.w - msize -
3278                                     (stacks * 2 * border_width)) % stacks;
3279                         s--;
3280                         j = 0;
3281                 }
3282                 win_g.h = hrh - 2 * border_width;
3283                 if (rot) {
3284                         h_inc = win->sh.width_inc;
3285                         h_base = win->sh.base_width;
3286                 } else {
3287                         h_inc = win->sh.height_inc;
3288                         h_base = win->sh.base_height;
3289                 }
3290                 if (j == colno - 1) {
3291                         win_g.h = hrh + extra;
3292                 } else if (h_inc > 1 && h_inc < h_slice) {
3293                         /* adjust for window's requested size increment */
3294                         remain = (win_g.h - h_base) % h_inc;
3295                         missing = h_inc - remain;
3296
3297                         if (missing <= extra || j == 0) {
3298                                 extra -= missing;
3299                                 win_g.h += missing;
3300                         } else {
3301                                 win_g.h -= remain;
3302                                 extra += remain;
3303                         }
3304                 }
3305
3306                 if (j == 0)
3307                         win_g.y = r_g.y;
3308                 else
3309                         win_g.y += last_h + 2 * border_width;
3310
3311                 if (disable_border && bar_enabled == 0 && winno == 1){
3312                         bordered = 0;
3313                         win_g.w += 2 * border_width;
3314                         win_g.h += 2 * border_width;
3315                 } else {
3316                         bordered = 1;
3317                 }
3318                 if (rot) {
3319                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3320                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3321                                 reconfigure = 1;
3322                                 X(win) = win_g.y;
3323                                 Y(win) = win_g.x;
3324                                 WIDTH(win) = win_g.h;
3325                                 HEIGHT(win) = win_g.w;
3326                         }
3327                 } else {
3328                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3329                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3330                                 reconfigure = 1;
3331                                 X(win) = win_g.x;
3332                                 Y(win) = win_g.y;
3333                                 WIDTH(win) = win_g.w;
3334                                 HEIGHT(win) = win_g.h;
3335                         }
3336                 }
3337
3338                 if (bordered != win->bordered) {
3339                         reconfigure = 1;
3340                         win->bordered = bordered;
3341                 }
3342
3343                 if (reconfigure) {
3344                         adjust_font(win);
3345                         update_window(win);
3346                 }
3347
3348                 if (XGetWindowAttributes(display, win->id, &wa))
3349                         if (wa.map_state == IsUnmapped)
3350                                 XMapRaised(display, win->id);
3351
3352                 last_h = win_g.h;
3353                 i++;
3354                 j++;
3355         }
3356
3357 notiles:
3358         /* now, stack all the floaters and transients */
3359         TAILQ_FOREACH(win, &ws->winlist, entry) {
3360                 if (win->transient == 0 && win->floating == 0)
3361                         continue;
3362                 if (win->iconic == 1)
3363                         continue;
3364                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3365                         fs_win = win;
3366                         continue;
3367                 }
3368
3369                 stack_floater(win, ws->r);
3370                 XMapRaised(display, win->id);
3371         }
3372
3373         if (fs_win) {
3374                 stack_floater(fs_win, ws->r);
3375                 XMapRaised(display, fs_win->id);
3376         }
3377 }
3378
3379 void
3380 vertical_config(struct workspace *ws, int id)
3381 {
3382         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3383             id, ws->idx);
3384
3385         switch (id) {
3386         case SWM_ARG_ID_STACKRESET:
3387         case SWM_ARG_ID_STACKINIT:
3388                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3389                 ws->l_state.vertical_mwin = 1;
3390                 ws->l_state.vertical_stacks = 1;
3391                 break;
3392         case SWM_ARG_ID_MASTERSHRINK:
3393                 if (ws->l_state.vertical_msize > 1)
3394                         ws->l_state.vertical_msize--;
3395                 break;
3396         case SWM_ARG_ID_MASTERGROW:
3397                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3398                         ws->l_state.vertical_msize++;
3399                 break;
3400         case SWM_ARG_ID_MASTERADD:
3401                 ws->l_state.vertical_mwin++;
3402                 break;
3403         case SWM_ARG_ID_MASTERDEL:
3404                 if (ws->l_state.vertical_mwin > 0)
3405                         ws->l_state.vertical_mwin--;
3406                 break;
3407         case SWM_ARG_ID_STACKINC:
3408                 ws->l_state.vertical_stacks++;
3409                 break;
3410         case SWM_ARG_ID_STACKDEC:
3411                 if (ws->l_state.vertical_stacks > 1)
3412                         ws->l_state.vertical_stacks--;
3413                 break;
3414         case SWM_ARG_ID_FLIPLAYOUT:
3415                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3416                 break;
3417         default:
3418                 return;
3419         }
3420 }
3421
3422 void
3423 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3424 {
3425         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3426
3427         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3428 }
3429
3430 void
3431 horizontal_config(struct workspace *ws, int id)
3432 {
3433         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3434
3435         switch (id) {
3436         case SWM_ARG_ID_STACKRESET:
3437         case SWM_ARG_ID_STACKINIT:
3438                 ws->l_state.horizontal_mwin = 1;
3439                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3440                 ws->l_state.horizontal_stacks = 1;
3441                 break;
3442         case SWM_ARG_ID_MASTERSHRINK:
3443                 if (ws->l_state.horizontal_msize > 1)
3444                         ws->l_state.horizontal_msize--;
3445                 break;
3446         case SWM_ARG_ID_MASTERGROW:
3447                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3448                         ws->l_state.horizontal_msize++;
3449                 break;
3450         case SWM_ARG_ID_MASTERADD:
3451                 ws->l_state.horizontal_mwin++;
3452                 break;
3453         case SWM_ARG_ID_MASTERDEL:
3454                 if (ws->l_state.horizontal_mwin > 0)
3455                         ws->l_state.horizontal_mwin--;
3456                 break;
3457         case SWM_ARG_ID_STACKINC:
3458                 ws->l_state.horizontal_stacks++;
3459                 break;
3460         case SWM_ARG_ID_STACKDEC:
3461                 if (ws->l_state.horizontal_stacks > 1)
3462                         ws->l_state.horizontal_stacks--;
3463                 break;
3464         case SWM_ARG_ID_FLIPLAYOUT:
3465                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3466                 break;
3467         default:
3468                 return;
3469         }
3470 }
3471
3472 void
3473 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3474 {
3475         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3476
3477         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3478 }
3479
3480 /* fullscreen view */
3481 void
3482 max_stack(struct workspace *ws, struct swm_geometry *g)
3483 {
3484         struct swm_geometry     gg = *g;
3485         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3486         int                     winno;
3487
3488         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3489
3490         if (ws == NULL)
3491                 return;
3492
3493         winno = count_win(ws, 0);
3494         if (winno == 0 && count_win(ws, 1) == 0)
3495                 return;
3496
3497         TAILQ_FOREACH(win, &ws->winlist, entry) {
3498                 if (win->transient) {
3499                         wintrans = win;
3500                         parent = find_window(win->transient);
3501                         continue;
3502                 }
3503
3504                 if (win->floating && win->floatmaxed == 0 ) {
3505                         /*
3506                          * retain geometry for retrieval on exit from
3507                          * max_stack mode
3508                          */
3509                         store_float_geom(win, ws->r);
3510                         win->floatmaxed = 1;
3511                 }
3512
3513                 /* only reconfigure if necessary */
3514                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3515                     HEIGHT(win) != gg.h) {
3516                         win->g = gg;
3517                         if (bar_enabled){
3518                                 win->bordered = 1;
3519                         } else {
3520                                 win->bordered = 0;
3521                                 WIDTH(win) += 2 * border_width;
3522                                 HEIGHT(win) += 2 * border_width;
3523                         }
3524
3525                         update_window(win);
3526                 }
3527                 /* unmap only if we don't have multi screen */
3528                 if (win != ws->focus)
3529                         if (!(ScreenCount(display) > 1 || outputs > 1))
3530                                 unmap_window(win);
3531         }
3532
3533         /* put the last transient on top */
3534         if (wintrans) {
3535                 if (parent)
3536                         XMapRaised(display, parent->id);
3537                 stack_floater(wintrans, ws->r);
3538                 focus_magic(wintrans);
3539         }
3540 }
3541
3542 void
3543 send_to_ws(struct swm_region *r, union arg *args)
3544 {
3545         int                     wsid = args->id;
3546         struct ws_win           *win = NULL, *parent;
3547         struct workspace        *ws, *nws;
3548         Atom                    ws_idx_atom = 0;
3549         unsigned char           ws_idx_str[SWM_PROPLEN];
3550         union arg               a;
3551
3552         if (wsid >= workspace_limit)
3553                 return;
3554
3555         if (r && r->ws && r->ws->focus)
3556                 win = r->ws->focus;
3557         else
3558                 return;
3559         if (win == NULL)
3560                 return;
3561         if (win->ws->idx == wsid)
3562                 return;
3563
3564         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3565
3566         ws = win->ws;
3567         nws = &win->s->ws[wsid];
3568
3569         a.id = SWM_ARG_ID_FOCUSPREV;
3570         focus(r, &a);
3571         if (win->transient) {
3572                 parent = find_window(win->transient);
3573                 if (parent) {
3574                         unmap_window(parent);
3575                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3576                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3577                         parent->ws = nws;
3578                 }
3579         }
3580         unmap_window(win);
3581         TAILQ_REMOVE(&ws->winlist, win, entry);
3582         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3583         if (TAILQ_EMPTY(&ws->winlist))
3584                 r->ws->focus = NULL;
3585         win->ws = nws;
3586
3587         /* Try to update the window's workspace property */
3588         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3589         if (ws_idx_atom &&
3590             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3591                 SWM_PROPLEN) {
3592                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3593                     ws_idx_str);
3594                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3595                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
3596         }
3597
3598         stack();
3599         bar_update();
3600 }
3601
3602 void
3603 pressbutton(struct swm_region *r, union arg *args)
3604 {
3605         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3606         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3607 }
3608
3609 void
3610 raise_toggle(struct swm_region *r, union arg *args)
3611 {
3612         if (r == NULL || r->ws == NULL)
3613                 return;
3614
3615         r->ws->always_raise = !r->ws->always_raise;
3616
3617         /* bring floaters back to top */
3618         if (r->ws->always_raise == 0)
3619                 stack();
3620 }
3621
3622 void
3623 iconify(struct swm_region *r, union arg *args)
3624 {
3625         union arg a;
3626
3627         if (r->ws->focus == NULL)
3628                 return;
3629         unmap_window(r->ws->focus);
3630         update_iconic(r->ws->focus, 1);
3631         stack();
3632         if (focus_mode == SWM_FOCUS_DEFAULT)
3633                 drain_enter_notify();
3634         r->ws->focus = NULL;
3635         a.id = SWM_ARG_ID_FOCUSCUR;
3636         focus(r, &a);
3637 }
3638
3639 unsigned char *
3640 get_win_name(Window win)
3641 {
3642         unsigned char           *prop = NULL;
3643         unsigned long           nbytes, nitems;
3644
3645         /* try _NET_WM_NAME first */
3646         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3647             &prop)) {
3648                 XFree(prop);
3649                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3650                     &nitems, NULL, &prop))
3651                         return (prop);
3652         }
3653
3654         /* fallback to WM_NAME */
3655         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3656                 return (NULL);
3657         XFree(prop);
3658         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3659                 return (prop);
3660
3661         return (NULL);
3662 }
3663
3664 void
3665 uniconify(struct swm_region *r, union arg *args)
3666 {
3667         struct ws_win           *win;
3668         FILE                    *lfile;
3669         unsigned char           *name;
3670         int                     count = 0;
3671
3672         DNPRINTF(SWM_D_MISC, "uniconify\n");
3673
3674         if (r == NULL || r->ws == NULL)
3675                 return;
3676
3677         /* make sure we have anything to uniconify */
3678         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3679                 if (win->ws == NULL)
3680                         continue; /* should never happen */
3681                 if (win->iconic == 0)
3682                         continue;
3683                 count++;
3684         }
3685         if (count == 0)
3686                 return;
3687
3688         search_r = r;
3689         search_resp_action = SWM_SEARCH_UNICONIFY;
3690
3691         spawn_select(r, args, "search", &searchpid);
3692
3693         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3694                 return;
3695
3696         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3697                 if (win->ws == NULL)
3698                         continue; /* should never happen */
3699                 if (win->iconic == 0)
3700                         continue;
3701
3702                 name = get_win_name(win->id);
3703                 if (name == NULL)
3704                         continue;
3705                 fprintf(lfile, "%s.%lu\n", name, win->id);
3706                 XFree(name);
3707         }
3708
3709         fclose(lfile);
3710 }
3711
3712 void
3713 name_workspace(struct swm_region *r, union arg *args)
3714 {
3715         FILE                    *lfile;
3716
3717         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3718
3719         if (r == NULL)
3720                 return;
3721
3722         search_r = r;
3723         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3724
3725         spawn_select(r, args, "name_workspace", &searchpid);
3726
3727         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3728                 return;
3729
3730         fprintf(lfile, "%s", "");
3731         fclose(lfile);
3732 }
3733
3734 void
3735 search_workspace(struct swm_region *r, union arg *args)
3736 {
3737         int                     i;
3738         struct workspace        *ws;
3739         FILE                    *lfile;
3740
3741         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3742
3743         if (r == NULL)
3744                 return;
3745
3746         search_r = r;
3747         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3748
3749         spawn_select(r, args, "search", &searchpid);
3750
3751         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3752                 return;
3753
3754         for (i = 0; i < workspace_limit; i++) {
3755                 ws = &r->s->ws[i];
3756                 if (ws == NULL)
3757                         continue;
3758                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3759                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3760         }
3761
3762         fclose(lfile);
3763 }
3764
3765 void
3766 search_win_cleanup(void)
3767 {
3768         struct search_window    *sw = NULL;
3769
3770         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3771                 XDestroyWindow(display, sw->indicator);
3772                 XFreeGC(display, sw->gc);
3773                 TAILQ_REMOVE(&search_wl, sw, entry);
3774                 free(sw);
3775         }
3776 }
3777
3778 void
3779 search_win(struct swm_region *r, union arg *args)
3780 {
3781         struct ws_win           *win = NULL;
3782         struct search_window    *sw = NULL;
3783         Window                  w;
3784         XGCValues               gcv;
3785         int                     i;
3786         char                    s[8];
3787         FILE                    *lfile;
3788         size_t                  len;
3789         XRectangle              ibox, lbox;
3790
3791         DNPRINTF(SWM_D_MISC, "search_win\n");
3792
3793         search_r = r;
3794         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3795
3796         spawn_select(r, args, "search", &searchpid);
3797
3798         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3799                 return;
3800
3801         TAILQ_INIT(&search_wl);
3802
3803         i = 1;
3804         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3805                 if (win->iconic == 1)
3806                         continue;
3807
3808                 sw = calloc(1, sizeof(struct search_window));
3809                 if (sw == NULL) {
3810                         warn("search_win: calloc");
3811                         fclose(lfile);
3812                         search_win_cleanup();
3813                         return;
3814                 }
3815                 sw->idx = i;
3816                 sw->win = win;
3817
3818                 snprintf(s, sizeof s, "%d", i);
3819                 len = strlen(s);
3820
3821                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3822
3823                 w = XCreateSimpleWindow(display,
3824                     win->id, 0, 0,lbox.width + 4,
3825                     bar_fs_extents->max_logical_extent.height, 1,
3826                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3827                     r->s->c[SWM_S_COLOR_FOCUS].color);
3828
3829                 sw->indicator = w;
3830                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3831
3832                 sw->gc = XCreateGC(display, w, 0, &gcv);
3833                 XMapRaised(display, w);
3834                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3835
3836                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3837                     (bar_fs_extents->max_logical_extent.height -
3838                     lbox.height) / 2 - lbox.y, s, len);
3839
3840                 fprintf(lfile, "%d\n", i);
3841                 i++;
3842         }
3843
3844         fclose(lfile);
3845 }
3846
3847 void
3848 search_resp_uniconify(char *resp, unsigned long len)
3849 {
3850         unsigned char           *name;
3851         struct ws_win           *win;
3852         char                    *s;
3853
3854         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3855
3856         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3857                 if (win->iconic == 0)
3858                         continue;
3859                 name = get_win_name(win->id);
3860                 if (name == NULL)
3861                         continue;
3862                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3863                         XFree(name);
3864                         continue;
3865                 }
3866                 XFree(name);
3867                 if (strncmp(s, resp, len) == 0) {
3868                         /* XXX this should be a callback to generalize */
3869                         update_iconic(win, 0);
3870                         free(s);
3871                         break;
3872                 }
3873                 free(s);
3874         }
3875 }
3876
3877 void
3878 search_resp_name_workspace(char *resp, unsigned long len)
3879 {
3880         struct workspace        *ws;
3881
3882         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3883
3884         if (search_r->ws == NULL)
3885                 return;
3886         ws = search_r->ws;
3887
3888         if (ws->name) {
3889                 free(search_r->ws->name);
3890                 search_r->ws->name = NULL;
3891         }
3892
3893         if (len > 1) {
3894                 ws->name = strdup(resp);
3895                 if (ws->name == NULL) {
3896                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3897                             "strdup: %s", strerror(errno));
3898                         return;
3899                 }
3900         }
3901 }
3902
3903 void
3904 search_resp_search_workspace(char *resp, unsigned long len)
3905 {
3906         char                    *p, *q;
3907         int                     ws_idx;
3908         const char              *errstr;
3909         union arg               a;
3910
3911         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3912
3913         q = strdup(resp);
3914         if (!q) {
3915                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3916                     strerror(errno));
3917                 return;
3918         }
3919         p = strchr(q, ':');
3920         if (p != NULL)
3921                 *p = '\0';
3922         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3923         if (errstr) {
3924                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3925                     errstr, q);
3926                 free(q);
3927                 return;
3928         }
3929         free(q);
3930         a.id = ws_idx - 1;
3931         switchws(search_r, &a);
3932 }
3933
3934 void
3935 search_resp_search_window(char *resp, unsigned long len)
3936 {
3937         char                    *s;
3938         int                     idx;
3939         const char              *errstr;
3940         struct search_window    *sw;
3941
3942         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3943
3944         s = strdup(resp);
3945         if (!s) {
3946                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3947                     strerror(errno));
3948                 return;
3949         }
3950
3951         idx = strtonum(s, 1, INT_MAX, &errstr);
3952         if (errstr) {
3953                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3954                     errstr, s);
3955                 free(s);
3956                 return;
3957         }
3958         free(s);
3959
3960         TAILQ_FOREACH(sw, &search_wl, entry)
3961                 if (idx == sw->idx) {
3962                         focus_win(sw->win);
3963                         break;
3964                 }
3965 }
3966
3967 #define MAX_RESP_LEN    1024
3968
3969 void
3970 search_do_resp(void)
3971 {
3972         ssize_t                 rbytes;
3973         char                    *resp;
3974         unsigned long           len;
3975
3976         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3977
3978         search_resp = 0;
3979         searchpid = 0;
3980
3981         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3982                 warn("search: calloc");
3983                 goto done;
3984         }
3985
3986         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3987         if (rbytes <= 0) {
3988                 warn("search: read error");
3989                 goto done;
3990         }
3991         resp[rbytes] = '\0';
3992
3993         /* XXX:
3994          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3995          * newline, so work around that by sanitizing the resp now.
3996          */
3997         resp[strcspn(resp, "\n")] = '\0';
3998         len = strlen(resp);
3999
4000         switch (search_resp_action) {
4001         case SWM_SEARCH_UNICONIFY:
4002                 search_resp_uniconify(resp, len);
4003                 break;
4004         case SWM_SEARCH_NAME_WORKSPACE:
4005                 search_resp_name_workspace(resp, len);
4006                 break;
4007         case SWM_SEARCH_SEARCH_WORKSPACE:
4008                 search_resp_search_workspace(resp, len);
4009                 break;
4010         case SWM_SEARCH_SEARCH_WINDOW:
4011                 search_resp_search_window(resp, len);
4012                 break;
4013         }
4014
4015 done:
4016         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4017                 search_win_cleanup();
4018
4019         search_resp_action = SWM_SEARCH_NONE;
4020         close(select_resp_pipe[0]);
4021         free(resp);
4022 }
4023
4024 void
4025 wkill(struct swm_region *r, union arg *args)
4026 {
4027         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4028
4029         if (r->ws->focus == NULL)
4030                 return;
4031
4032         if (args->id == SWM_ARG_ID_KILLWINDOW)
4033                 XKillClient(display, r->ws->focus->id);
4034         else
4035                 if (r->ws->focus->can_delete)
4036                         client_msg(r->ws->focus, adelete);
4037 }
4038
4039
4040 int
4041 floating_toggle_win(struct ws_win *win)
4042 {
4043         struct swm_region       *r;
4044
4045         if (win == NULL)
4046                 return (0);
4047
4048         if (!win->ws->r)
4049                 return (0);
4050
4051         r = win->ws->r;
4052
4053         /* reject floating toggles in max stack mode */
4054         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4055                 return (0);
4056
4057         if (win->floating) {
4058                 if (!win->floatmaxed) {
4059                         /* retain position for refloat */
4060                         store_float_geom(win, r);
4061                 }
4062                 win->floating = 0;
4063         } else {
4064                 if (win->g_floatvalid) {
4065                         /* refloat at last floating relative position */
4066                         X(win) = win->g_float.x + X(r);
4067                         Y(win) = win->g_float.y + Y(r);
4068                         WIDTH(win) = win->g_float.w;
4069                         HEIGHT(win) = win->g_float.h;
4070                 }
4071                 win->floating = 1;
4072         }
4073
4074         ewmh_update_actions(win);
4075
4076         return (1);
4077 }
4078
4079 void
4080 floating_toggle(struct swm_region *r, union arg *args)
4081 {
4082         struct ws_win           *win = r->ws->focus;
4083         union arg               a;
4084
4085         if (win == NULL)
4086                 return;
4087
4088         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4089             _NET_WM_STATE_TOGGLE);
4090
4091         stack();
4092         if (focus_mode == SWM_FOCUS_DEFAULT)
4093                 drain_enter_notify();
4094
4095         if (win == win->ws->focus) {
4096                 a.id = SWM_ARG_ID_FOCUSCUR;
4097                 focus(win->ws->r, &a);
4098         }
4099 }
4100
4101 void
4102 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4103 {
4104         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4105                 if (resizable)
4106                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4107                 else
4108                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4109         }
4110
4111         if (X(win) + BORDER(win) < X(r)) {
4112                 if (resizable)
4113                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4114
4115                 X(win) = X(r) - BORDER(win);
4116         }
4117
4118         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4119                 if (resizable)
4120                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4121                 else
4122                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4123         }
4124
4125         if (Y(win) + BORDER(win) < Y(r)) {
4126                 if (resizable)
4127                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4128
4129                 Y(win) = Y(r) - BORDER(win);
4130         }
4131
4132         if (resizable) {
4133                 if (WIDTH(win) < 1)
4134                         WIDTH(win) = 1;
4135                 if (HEIGHT(win) < 1)
4136                         HEIGHT(win) = 1;
4137         }
4138 }
4139
4140 void
4141 update_window(struct ws_win *win)
4142 {
4143         unsigned int            mask;
4144         XWindowChanges          wc;
4145
4146         bzero(&wc, sizeof wc);
4147         mask = CWBorderWidth | CWWidth | CWHeight | CWX | CWY;
4148
4149         wc.border_width = BORDER(win);
4150         wc.x = X(win);
4151         wc.y = Y(win);
4152         wc.width = WIDTH(win);
4153         wc.height = HEIGHT(win);
4154
4155         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%lx, (x,y) w x h: "
4156             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc.x, wc.y, wc.width,
4157             wc.height, YESNO(win->bordered));
4158
4159         XConfigureWindow(display, win->id, mask, &wc);
4160 }
4161
4162 #define SWM_RESIZE_STEPS        (50)
4163
4164 void
4165 resize(struct ws_win *win, union arg *args)
4166 {
4167         XEvent                  ev;
4168         Time                    time = 0;
4169         struct swm_region       *r = NULL;
4170         int                     resize_step = 0;
4171         Window                  rr, cr;
4172         int                     x, y, wx, wy;
4173         unsigned int            mask;
4174         struct swm_geometry     g;
4175         int                     top = 0, left = 0;
4176         int                     dx, dy;
4177         Cursor                  cursor;
4178         unsigned int            shape; /* cursor style */
4179
4180         if (win == NULL)
4181                 return;
4182         r = win->ws->r;
4183
4184         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4185                 return;
4186
4187         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
4188             "transient: 0x%lx\n", win->id, YESNO(win->floating),
4189             win->transient);
4190
4191         if (!(win->transient != 0 || win->floating != 0))
4192                 return;
4193
4194         /* reject resizes in max mode for floaters (transient ok) */
4195         if (win->floatmaxed)
4196                 return;
4197
4198         win->manual = 1;
4199         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4200             _NET_WM_STATE_ADD);
4201
4202         stack();
4203
4204         switch (args->id) {
4205         case SWM_ARG_ID_WIDTHSHRINK:
4206                 WIDTH(win) -= SWM_RESIZE_STEPS;
4207                 resize_step = 1;
4208                 break;
4209         case SWM_ARG_ID_WIDTHGROW:
4210                 WIDTH(win) += SWM_RESIZE_STEPS;
4211                 resize_step = 1;
4212                 break;
4213         case SWM_ARG_ID_HEIGHTSHRINK:
4214                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4215                 resize_step = 1;
4216                 break;
4217         case SWM_ARG_ID_HEIGHTGROW:
4218                 HEIGHT(win) += SWM_RESIZE_STEPS;
4219                 resize_step = 1;
4220                 break;
4221         default:
4222                 break;
4223         }
4224         if (resize_step) {
4225                 constrain_window(win, r, 1);
4226                 update_window(win);
4227                 store_float_geom(win,r);
4228                 return;
4229         }
4230
4231         if (focus_mode == SWM_FOCUS_DEFAULT)
4232                 drain_enter_notify();
4233
4234         /* get cursor offset from window root */
4235         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4236             return;
4237
4238         g = win->g;
4239
4240         if (wx < WIDTH(win) / 2)
4241                 left = 1;
4242
4243         if (wy < HEIGHT(win) / 2)
4244                 top = 1;
4245
4246         if (args->id == SWM_ARG_ID_CENTER)
4247                 shape = XC_sizing;
4248         else if (top)
4249                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4250         else
4251                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4252
4253         cursor = XCreateFontCursor(display, shape);
4254
4255         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4256             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4257                 XFreeCursor(display, cursor);
4258                 return;
4259         }
4260
4261         do {
4262                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4263                     SubstructureRedirectMask, &ev);
4264                 switch (ev.type) {
4265                 case ConfigureRequest:
4266                 case Expose:
4267                 case MapRequest:
4268                         handler[ev.type](&ev);
4269                         break;
4270                 case MotionNotify:
4271                         /* cursor offset/delta from start of the operation */
4272                         dx = ev.xmotion.x_root - x;
4273                         dy = ev.xmotion.y_root - y;
4274
4275                         /* vertical */
4276                         if (top)
4277                                 dy = -dy;
4278
4279                         if (args->id == SWM_ARG_ID_CENTER) {
4280                                 if (g.h / 2 + dy < 1)
4281                                         dy = 1 - g.h / 2;
4282
4283                                 Y(win) = g.y - dy;
4284                                 HEIGHT(win) = g.h + 2 * dy;
4285                         } else {
4286                                 if (g.h + dy < 1)
4287                                         dy = 1 - g.h;
4288
4289                                 if (top)
4290                                         Y(win) = g.y - dy;
4291
4292                                 HEIGHT(win) = g.h + dy;
4293                         }
4294
4295                         /* horizontal */
4296                         if (left)
4297                                 dx = -dx;
4298
4299                         if (args->id == SWM_ARG_ID_CENTER) {
4300                                 if (g.w / 2 + dx < 1)
4301                                         dx = 1 - g.w / 2;
4302
4303                                 X(win) = g.x - dx;
4304                                 WIDTH(win) = g.w + 2 * dx;
4305                         } else {
4306                                 if (g.w + dx < 1)
4307                                         dx = 1 - g.w;
4308
4309                                 if (left)
4310                                         X(win) = g.x - dx;
4311
4312                                 WIDTH(win) = g.w + dx;
4313                         }
4314
4315                         constrain_window(win, r, 1);
4316
4317                         /* not free, don't sync more than 120 times / second */
4318                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4319                                 time = ev.xmotion.time;
4320                                 XSync(display, False);
4321                                 update_window(win);
4322                         }
4323                         break;
4324                 }
4325         } while (ev.type != ButtonRelease);
4326         if (time) {
4327                 XSync(display, False);
4328                 update_window(win);
4329         }
4330         store_float_geom(win,r);
4331
4332         XUngrabPointer(display, CurrentTime);
4333         XFreeCursor(display, cursor);
4334
4335         /* drain events */
4336         drain_enter_notify();
4337 }
4338
4339 void
4340 resize_step(struct swm_region *r, union arg *args)
4341 {
4342         struct ws_win           *win = NULL;
4343
4344         if (r && r->ws && r->ws->focus)
4345                 win = r->ws->focus;
4346         else
4347                 return;
4348
4349         resize(win, args);
4350 }
4351
4352 #define SWM_MOVE_STEPS  (50)
4353
4354 void
4355 move(struct ws_win *win, union arg *args)
4356 {
4357         XEvent                  ev;
4358         Time                    time = 0;
4359         int                     move_step = 0;
4360         struct swm_region       *r = NULL;
4361
4362         Window                  rr, cr;
4363         int                     x, y, wx, wy;
4364         unsigned int            mask;
4365
4366         if (win == NULL)
4367                 return;
4368         r = win->ws->r;
4369
4370         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4371                 return;
4372
4373         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4374             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4375
4376         /* in max_stack mode should only move transients */
4377         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4378                 return;
4379
4380         win->manual = 1;
4381         if (win->floating == 0 && !win->transient) {
4382                 store_float_geom(win, r);
4383                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4384                     _NET_WM_STATE_ADD);
4385         }
4386         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4387             _NET_WM_STATE_ADD);
4388
4389         stack();
4390
4391         move_step = 0;
4392         switch (args->id) {
4393         case SWM_ARG_ID_MOVELEFT:
4394                 X(win) -= (SWM_MOVE_STEPS - border_width);
4395                 move_step = 1;
4396                 break;
4397         case SWM_ARG_ID_MOVERIGHT:
4398                 X(win) += (SWM_MOVE_STEPS - border_width);
4399                 move_step = 1;
4400                 break;
4401         case SWM_ARG_ID_MOVEUP:
4402                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4403                 move_step = 1;
4404                 break;
4405         case SWM_ARG_ID_MOVEDOWN:
4406                 Y(win) += (SWM_MOVE_STEPS - border_width);
4407                 move_step = 1;
4408                 break;
4409         default:
4410                 break;
4411         }
4412         if (move_step) {
4413                 constrain_window(win, r, 0);
4414                 update_window(win);
4415                 store_float_geom(win, r);
4416                 return;
4417         }
4418
4419         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4420             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4421             CurrentTime) != GrabSuccess)
4422                 return;
4423
4424         /* get cursor offset from window root */
4425         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4426             return;
4427
4428         do {
4429                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4430                     SubstructureRedirectMask, &ev);
4431                 switch (ev.type) {
4432                 case ConfigureRequest:
4433                 case Expose:
4434                 case MapRequest:
4435                         handler[ev.type](&ev);
4436                         break;
4437                 case MotionNotify:
4438                         X(win) = ev.xmotion.x_root - wx - border_width;
4439                         Y(win) = ev.xmotion.y_root - wy - border_width;
4440
4441                         constrain_window(win, r, 0);
4442
4443                         /* not free, don't sync more than 120 times / second */
4444                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4445                                 time = ev.xmotion.time;
4446                                 XSync(display, False);
4447                                 update_window(win);
4448                         }
4449                         break;
4450                 }
4451         } while (ev.type != ButtonRelease);
4452         if (time) {
4453                 XSync(display, False);
4454                 update_window(win);
4455         }
4456         store_float_geom(win, r);
4457         XUngrabPointer(display, CurrentTime);
4458
4459         /* drain events */
4460         drain_enter_notify();
4461 }
4462
4463 void
4464 move_step(struct swm_region *r, union arg *args)
4465 {
4466         struct ws_win           *win = NULL;
4467
4468         if (r && r->ws && r->ws->focus)
4469                 win = r->ws->focus;
4470         else
4471                 return;
4472
4473         if (!(win->transient != 0 || win->floating != 0))
4474                 return;
4475
4476         move(win, args);
4477 }
4478
4479
4480 /* user/key callable function IDs */
4481 enum keyfuncid {
4482         kf_cycle_layout,
4483         kf_flip_layout,
4484         kf_stack_reset,
4485         kf_master_shrink,
4486         kf_master_grow,
4487         kf_master_add,
4488         kf_master_del,
4489         kf_stack_inc,
4490         kf_stack_dec,
4491         kf_swap_main,
4492         kf_focus_next,
4493         kf_focus_prev,
4494         kf_swap_next,
4495         kf_swap_prev,
4496         kf_quit,
4497         kf_restart,
4498         kf_focus_main,
4499         kf_ws_1,
4500         kf_ws_2,
4501         kf_ws_3,
4502         kf_ws_4,
4503         kf_ws_5,
4504         kf_ws_6,
4505         kf_ws_7,
4506         kf_ws_8,
4507         kf_ws_9,
4508         kf_ws_10,
4509         kf_ws_11,
4510         kf_ws_12,
4511         kf_ws_13,
4512         kf_ws_14,
4513         kf_ws_15,
4514         kf_ws_16,
4515         kf_ws_17,
4516         kf_ws_18,
4517         kf_ws_19,
4518         kf_ws_20,
4519         kf_ws_21,
4520         kf_ws_22,
4521         kf_ws_next,
4522         kf_ws_prev,
4523         kf_ws_next_all,
4524         kf_ws_prev_all,
4525         kf_ws_prior,
4526         kf_screen_next,
4527         kf_screen_prev,
4528         kf_mvws_1,
4529         kf_mvws_2,
4530         kf_mvws_3,
4531         kf_mvws_4,
4532         kf_mvws_5,
4533         kf_mvws_6,
4534         kf_mvws_7,
4535         kf_mvws_8,
4536         kf_mvws_9,
4537         kf_mvws_10,
4538         kf_mvws_11,
4539         kf_mvws_12,
4540         kf_mvws_13,
4541         kf_mvws_14,
4542         kf_mvws_15,
4543         kf_mvws_16,
4544         kf_mvws_17,
4545         kf_mvws_18,
4546         kf_mvws_19,
4547         kf_mvws_20,
4548         kf_mvws_21,
4549         kf_mvws_22,
4550         kf_bar_toggle,
4551         kf_wind_kill,
4552         kf_wind_del,
4553         kf_float_toggle,
4554         kf_version,
4555         kf_spawn_custom,
4556         kf_iconify,
4557         kf_uniconify,
4558         kf_raise_toggle,
4559         kf_button2,
4560         kf_width_shrink,
4561         kf_width_grow,
4562         kf_height_shrink,
4563         kf_height_grow,
4564         kf_move_left,
4565         kf_move_right,
4566         kf_move_up,
4567         kf_move_down,
4568         kf_name_workspace,
4569         kf_search_workspace,
4570         kf_search_win,
4571         kf_dumpwins, /* MUST BE LAST */
4572         kf_invalid
4573 };
4574
4575 /* key definitions */
4576 void
4577 dummykeyfunc(struct swm_region *r, union arg *args)
4578 {
4579 };
4580
4581 struct keyfunc {
4582         char                    name[SWM_FUNCNAME_LEN];
4583         void                    (*func)(struct swm_region *r, union arg *);
4584         union arg               args;
4585 } keyfuncs[kf_invalid + 1] = {
4586         /* name                 function        argument */
4587         { "cycle_layout",       cycle_layout,   {0} },
4588         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4589         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4590         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4591         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4592         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4593         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4594         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4595         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4596         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4597         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4598         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4599         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4600         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4601         { "quit",               quit,           {0} },
4602         { "restart",            restart,        {0} },
4603         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4604         { "ws_1",               switchws,       {.id = 0} },
4605         { "ws_2",               switchws,       {.id = 1} },
4606         { "ws_3",               switchws,       {.id = 2} },
4607         { "ws_4",               switchws,       {.id = 3} },
4608         { "ws_5",               switchws,       {.id = 4} },
4609         { "ws_6",               switchws,       {.id = 5} },
4610         { "ws_7",               switchws,       {.id = 6} },
4611         { "ws_8",               switchws,       {.id = 7} },
4612         { "ws_9",               switchws,       {.id = 8} },
4613         { "ws_10",              switchws,       {.id = 9} },
4614         { "ws_11",              switchws,       {.id = 10} },
4615         { "ws_12",              switchws,       {.id = 11} },
4616         { "ws_13",              switchws,       {.id = 12} },
4617         { "ws_14",              switchws,       {.id = 13} },
4618         { "ws_15",              switchws,       {.id = 14} },
4619         { "ws_16",              switchws,       {.id = 15} },
4620         { "ws_17",              switchws,       {.id = 16} },
4621         { "ws_18",              switchws,       {.id = 17} },
4622         { "ws_19",              switchws,       {.id = 18} },
4623         { "ws_20",              switchws,       {.id = 19} },
4624         { "ws_21",              switchws,       {.id = 20} },
4625         { "ws_22",              switchws,       {.id = 21} },
4626         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4627         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4628         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4629         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4630         { "ws_prior",           priorws,        {0} },
4631         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4632         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4633         { "mvws_1",             send_to_ws,     {.id = 0} },
4634         { "mvws_2",             send_to_ws,     {.id = 1} },
4635         { "mvws_3",             send_to_ws,     {.id = 2} },
4636         { "mvws_4",             send_to_ws,     {.id = 3} },
4637         { "mvws_5",             send_to_ws,     {.id = 4} },
4638         { "mvws_6",             send_to_ws,     {.id = 5} },
4639         { "mvws_7",             send_to_ws,     {.id = 6} },
4640         { "mvws_8",             send_to_ws,     {.id = 7} },
4641         { "mvws_9",             send_to_ws,     {.id = 8} },
4642         { "mvws_10",            send_to_ws,     {.id = 9} },
4643         { "mvws_11",            send_to_ws,     {.id = 10} },
4644         { "mvws_12",            send_to_ws,     {.id = 11} },
4645         { "mvws_13",            send_to_ws,     {.id = 12} },
4646         { "mvws_14",            send_to_ws,     {.id = 13} },
4647         { "mvws_15",            send_to_ws,     {.id = 14} },
4648         { "mvws_16",            send_to_ws,     {.id = 15} },
4649         { "mvws_17",            send_to_ws,     {.id = 16} },
4650         { "mvws_18",            send_to_ws,     {.id = 17} },
4651         { "mvws_19",            send_to_ws,     {.id = 18} },
4652         { "mvws_20",            send_to_ws,     {.id = 19} },
4653         { "mvws_21",            send_to_ws,     {.id = 20} },
4654         { "mvws_22",            send_to_ws,     {.id = 21} },
4655         { "bar_toggle",         bar_toggle,     {0} },
4656         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4657         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4658         { "float_toggle",       floating_toggle,{0} },
4659         { "version",            version,        {0} },
4660         { "spawn_custom",       dummykeyfunc,   {0} },
4661         { "iconify",            iconify,        {0} },
4662         { "uniconify",          uniconify,      {0} },
4663         { "raise_toggle",       raise_toggle,   {0} },
4664         { "button2",            pressbutton,    {2} },
4665         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4666         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4667         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4668         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4669         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4670         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4671         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4672         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4673         { "name_workspace",     name_workspace, {0} },
4674         { "search_workspace",   search_workspace,       {0} },
4675         { "search_win",         search_win,     {0} },
4676         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4677         { "invalid key func",   NULL,           {0} },
4678 };
4679 struct key {
4680         RB_ENTRY(key)           entry;
4681         unsigned int            mod;
4682         KeySym                  keysym;
4683         enum keyfuncid          funcid;
4684         char                    *spawn_name;
4685 };
4686 RB_HEAD(key_tree, key);
4687
4688 int
4689 key_cmp(struct key *kp1, struct key *kp2)
4690 {
4691         if (kp1->keysym < kp2->keysym)
4692                 return (-1);
4693         if (kp1->keysym > kp2->keysym)
4694                 return (1);
4695
4696         if (kp1->mod < kp2->mod)
4697                 return (-1);
4698         if (kp1->mod > kp2->mod)
4699                 return (1);
4700
4701         return (0);
4702 }
4703
4704 RB_GENERATE(key_tree, key, entry, key_cmp);
4705 struct key_tree                 keys;
4706
4707 /* mouse */
4708 enum { client_click, root_click };
4709 struct button {
4710         unsigned int            action;
4711         unsigned int            mask;
4712         unsigned int            button;
4713         void                    (*func)(struct ws_win *, union arg *);
4714         union arg               args;
4715 } buttons[] = {
4716           /* action     key             mouse button    func    args */
4717         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4718         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4719         { client_click, MODKEY,         Button1,        move,   {0} },
4720 };
4721
4722 void
4723 update_modkey(unsigned int mod)
4724 {
4725         int                     i;
4726         struct key              *kp;
4727
4728         mod_key = mod;
4729         RB_FOREACH(kp, key_tree, &keys)
4730                 if (kp->mod & ShiftMask)
4731                         kp->mod = mod | ShiftMask;
4732                 else
4733                         kp->mod = mod;
4734
4735         for (i = 0; i < LENGTH(buttons); i++)
4736                 if (buttons[i].mask & ShiftMask)
4737                         buttons[i].mask = mod | ShiftMask;
4738                 else
4739                         buttons[i].mask = mod;
4740 }
4741
4742 /* spawn */
4743 struct spawn_prog {
4744         TAILQ_ENTRY(spawn_prog) entry;
4745         char                    *name;
4746         int                     argc;
4747         char                    **argv;
4748 };
4749 TAILQ_HEAD(spawn_list, spawn_prog);
4750 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4751
4752 int
4753 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4754     char ***ret_args)
4755 {
4756         struct spawn_prog       *prog = NULL;
4757         int                     i;
4758         char                    *ap, **real_args;
4759
4760         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4761
4762         /* find program */
4763         TAILQ_FOREACH(prog, &spawns, entry) {
4764                 if (!strcasecmp(spawn_name, prog->name))
4765                         break;
4766         }
4767         if (prog == NULL) {
4768                 warnx("spawn_custom: program %s not found", spawn_name);
4769                 return (-1);
4770         }
4771
4772         /* make room for expanded args */
4773         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4774                 err(1, "spawn_custom: calloc real_args");
4775
4776         /* expand spawn_args into real_args */
4777         for (i = 0; i < prog->argc; i++) {
4778                 ap = prog->argv[i];
4779                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4780                 if (!strcasecmp(ap, "$bar_border")) {
4781                         if ((real_args[i] =
4782                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4783                             == NULL)
4784                                 err(1,  "spawn_custom border color");
4785                 } else if (!strcasecmp(ap, "$bar_color")) {
4786                         if ((real_args[i] =
4787                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4788                             == NULL)
4789                                 err(1, "spawn_custom bar color");
4790                 } else if (!strcasecmp(ap, "$bar_font")) {
4791                         if ((real_args[i] = strdup(bar_fonts))
4792                             == NULL)
4793                                 err(1, "spawn_custom bar fonts");
4794                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4795                         if ((real_args[i] =
4796                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4797                             == NULL)
4798                                 err(1, "spawn_custom color font");
4799                 } else if (!strcasecmp(ap, "$color_focus")) {
4800                         if ((real_args[i] =
4801                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4802                             == NULL)
4803                                 err(1, "spawn_custom color focus");
4804                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4805                         if ((real_args[i] =
4806                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4807                             == NULL)
4808                                 err(1, "spawn_custom color unfocus");
4809                 } else {
4810                         /* no match --> copy as is */
4811                         if ((real_args[i] = strdup(ap)) == NULL)
4812                                 err(1, "spawn_custom strdup(ap)");
4813                 }
4814                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4815                     real_args[i]);
4816         }
4817
4818 #ifdef SWM_DEBUG
4819         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4820         for (i = 0; i < prog->argc; i++)
4821                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4822         DNPRINTF(SWM_D_SPAWN, "\n");
4823 #endif
4824         *ret_args = real_args;
4825         return (prog->argc);
4826 }
4827
4828 void
4829 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4830 {
4831         union arg               a;
4832         char                    **real_args;
4833         int                     spawn_argc, i;
4834
4835         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4836                 return;
4837         a.argv = real_args;
4838         if (fork() == 0)
4839                 spawn(r->ws->idx, &a, 1);
4840
4841         for (i = 0; i < spawn_argc; i++)
4842                 free(real_args[i]);
4843         free(real_args);
4844 }
4845
4846 void
4847 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4848 {
4849         union arg               a;
4850         char                    **real_args;
4851         int                     i, spawn_argc;
4852
4853         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4854                 return;
4855         a.argv = real_args;
4856
4857         if (pipe(select_list_pipe) == -1)
4858                 err(1, "pipe error");
4859         if (pipe(select_resp_pipe) == -1)
4860                 err(1, "pipe error");
4861
4862         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4863                 err(1, "could not disable SIGPIPE");
4864         switch (*pid = fork()) {
4865         case -1:
4866                 err(1, "cannot fork");
4867                 break;
4868         case 0: /* child */
4869                 if (dup2(select_list_pipe[0], 0) == -1)
4870                         err(1, "dup2");
4871                 if (dup2(select_resp_pipe[1], 1) == -1)
4872                         err(1, "dup2");
4873                 close(select_list_pipe[1]);
4874                 close(select_resp_pipe[0]);
4875                 spawn(r->ws->idx, &a, 0);
4876                 break;
4877         default: /* parent */
4878                 close(select_list_pipe[0]);
4879                 close(select_resp_pipe[1]);
4880                 break;
4881         }
4882
4883         for (i = 0; i < spawn_argc; i++)
4884                 free(real_args[i]);
4885         free(real_args);
4886 }
4887
4888 void
4889 spawn_insert(char *name, char *args)
4890 {
4891         char                    *arg, *cp, *ptr;
4892         struct spawn_prog       *sp;
4893
4894         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4895
4896         if ((sp = calloc(1, sizeof *sp)) == NULL)
4897                 err(1, "spawn_insert: malloc");
4898         if ((sp->name = strdup(name)) == NULL)
4899                 err(1, "spawn_insert: strdup");
4900
4901         /* convert the arguments to an argument list */
4902         if ((ptr = cp = strdup(args)) == NULL)
4903                 err(1, "spawn_insert: strdup");
4904         while ((arg = strsep(&ptr, " \t")) != NULL) {
4905                 /* empty field; skip it */
4906                 if (*arg == '\0')
4907                         continue;
4908
4909                 sp->argc++;
4910                 if ((sp->argv = realloc(sp->argv, sp->argc *
4911                     sizeof *sp->argv)) == NULL)
4912                         err(1, "spawn_insert: realloc");
4913                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4914                         err(1, "spawn_insert: strdup");
4915         }
4916         free(cp);
4917
4918         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4919         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4920 }
4921
4922 void
4923 spawn_remove(struct spawn_prog *sp)
4924 {
4925         int                     i;
4926
4927         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4928
4929         TAILQ_REMOVE(&spawns, sp, entry);
4930         for (i = 0; i < sp->argc; i++)
4931                 free(sp->argv[i]);
4932         free(sp->argv);
4933         free(sp->name);
4934         free(sp);
4935
4936         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
4937 }
4938
4939 void
4940 spawn_replace(struct spawn_prog *sp, char *name, char *args)
4941 {
4942         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
4943
4944         spawn_remove(sp);
4945         spawn_insert(name, args);
4946
4947         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
4948 }
4949
4950 void
4951 setspawn(char *name, char *args)
4952 {
4953         struct spawn_prog       *sp;
4954
4955         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
4956
4957         if (name == NULL)
4958                 return;
4959
4960         TAILQ_FOREACH(sp, &spawns, entry) {
4961                 if (!strcmp(sp->name, name)) {
4962                         if (*args == '\0')
4963                                 spawn_remove(sp);
4964                         else
4965                                 spawn_replace(sp, name, args);
4966                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4967                         return;
4968                 }
4969         }
4970         if (*args == '\0') {
4971                 warnx("error: setspawn: cannot find program: %s", name);
4972                 return;
4973         }
4974
4975         spawn_insert(name, args);
4976         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4977 }
4978
4979 int
4980 setconfspawn(char *selector, char *value, int flags)
4981 {
4982         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4983
4984         setspawn(selector, value);
4985
4986         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4987         return (0);
4988 }
4989
4990 void
4991 setup_spawn(void)
4992 {
4993         setconfspawn("term",            "xterm",                0);
4994         setconfspawn("spawn_term",      "xterm",                0);
4995         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4996         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4997         setconfspawn("lock",            "xlock",                0);
4998         setconfspawn("initscr",         "initscreen.sh",        0);
4999         setconfspawn("menu",            "dmenu_run"
5000                                         " -fn $bar_font"
5001                                         " -nb $bar_color"
5002                                         " -nf $bar_font_color"
5003                                         " -sb $bar_border"
5004                                         " -sf $bar_color",      0);
5005         setconfspawn("search",          "dmenu"
5006                                         " -i"
5007                                         " -fn $bar_font"
5008                                         " -nb $bar_color"
5009                                         " -nf $bar_font_color"
5010                                         " -sb $bar_border"
5011                                         " -sf $bar_color",      0);
5012         setconfspawn("name_workspace",  "dmenu"
5013                                         " -p Workspace"
5014                                         " -fn $bar_font"
5015                                         " -nb $bar_color"
5016                                         " -nf $bar_font_color"
5017                                         " -sb $bar_border"
5018                                         " -sf $bar_color",      0);
5019 }
5020
5021 /* key bindings */
5022 #define SWM_MODNAME_SIZE        32
5023 #define SWM_KEY_WS              "\n+ \t"
5024 int
5025 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5026 {
5027         char                    *cp, *name;
5028         KeySym                  uks;
5029         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5030         if (mod == NULL || ks == NULL) {
5031                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5032                 return (1);
5033         }
5034         if (keystr == NULL || strlen(keystr) == 0) {
5035                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5036                 return (1);
5037         }
5038         cp = keystr;
5039         *ks = NoSymbol;
5040         *mod = 0;
5041         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5042                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5043                 if (cp)
5044                         cp += (long)strspn(cp, SWM_KEY_WS);
5045                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5046                         *mod |= currmod;
5047                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5048                         *mod |= Mod1Mask;
5049                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5050                         *mod += Mod2Mask;
5051                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5052                         *mod |= Mod3Mask;
5053                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5054                         *mod |= Mod4Mask;
5055                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5056                         *mod |= ShiftMask;
5057                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5058                         *mod |= ControlMask;
5059                 else {
5060                         *ks = XStringToKeysym(name);
5061                         XConvertCase(*ks, ks, &uks);
5062                         if (ks == NoSymbol) {
5063                                 DNPRINTF(SWM_D_KEY,
5064                                     "parsekeys: invalid key %s\n",
5065                                     name);
5066                                 return (1);
5067                         }
5068                 }
5069         }
5070         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5071         return (0);
5072 }
5073
5074 char *
5075 strdupsafe(char *str)
5076 {
5077         if (str == NULL)
5078                 return (NULL);
5079         else
5080                 return (strdup(str));
5081 }
5082
5083 void
5084 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5085 {
5086         struct key              *kp;
5087
5088         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5089             keyfuncs[kfid].name, spawn_name);
5090
5091         if ((kp = malloc(sizeof *kp)) == NULL)
5092                 err(1, "key_insert: malloc");
5093
5094         kp->mod = mod;
5095         kp->keysym = ks;
5096         kp->funcid = kfid;
5097         kp->spawn_name = strdupsafe(spawn_name);
5098         RB_INSERT(key_tree, &keys, kp);
5099
5100         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5101 }
5102
5103 struct key *
5104 key_lookup(unsigned int mod, KeySym ks)
5105 {
5106         struct key              kp;
5107
5108         kp.keysym = ks;
5109         kp.mod = mod;
5110
5111         return (RB_FIND(key_tree, &keys, &kp));
5112 }
5113
5114 void
5115 key_remove(struct key *kp)
5116 {
5117         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5118
5119         RB_REMOVE(key_tree, &keys, kp);
5120         free(kp->spawn_name);
5121         free(kp);
5122
5123         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5124 }
5125
5126 void
5127 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5128     char *spawn_name)
5129 {
5130         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5131             spawn_name);
5132
5133         key_remove(kp);
5134         key_insert(mod, ks, kfid, spawn_name);
5135
5136         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5137 }
5138
5139 void
5140 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5141     char *spawn_name)
5142 {
5143         struct key              *kp;
5144
5145         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5146             keyfuncs[kfid].name, spawn_name);
5147
5148         if ((kp = key_lookup(mod, ks)) != NULL) {
5149                 if (kfid == kf_invalid)
5150                         key_remove(kp);
5151                 else
5152                         key_replace(kp, mod, ks, kfid, spawn_name);
5153                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5154                 return;
5155         }
5156         if (kfid == kf_invalid) {
5157                 warnx("error: setkeybinding: cannot find mod/key combination");
5158                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5159                 return;
5160         }
5161
5162         key_insert(mod, ks, kfid, spawn_name);
5163         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5164 }
5165
5166 int
5167 setconfbinding(char *selector, char *value, int flags)
5168 {
5169         enum keyfuncid          kfid;
5170         unsigned int            mod;
5171         KeySym                  ks;
5172         struct spawn_prog       *sp;
5173         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5174         if (selector == NULL) {
5175                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5176                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5177                         kfid = kf_invalid;
5178                         setkeybinding(mod, ks, kfid, NULL);
5179                         return (0);
5180                 } else
5181                         return (1);
5182         }
5183         /* search by key function name */
5184         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5185                 if (strncasecmp(selector, keyfuncs[kfid].name,
5186                     SWM_FUNCNAME_LEN) == 0) {
5187                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5188                             selector);
5189                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5190                                 setkeybinding(mod, ks, kfid, NULL);
5191                                 return (0);
5192                         } else
5193                                 return (1);
5194                 }
5195         }
5196         /* search by custom spawn name */
5197         TAILQ_FOREACH(sp, &spawns, entry) {
5198                 if (strcasecmp(selector, sp->name) == 0) {
5199                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5200                             selector);
5201                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5202                                 setkeybinding(mod, ks, kf_spawn_custom,
5203                                     sp->name);
5204                                 return (0);
5205                         } else
5206                                 return (1);
5207                 }
5208         }
5209         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5210         return (1);
5211 }
5212
5213 void
5214 setup_keys(void)
5215 {
5216         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5217         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5218         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5219         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5220         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5221         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5222         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5223         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5224         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5225         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5226         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5227         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5228         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5229         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5230         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5231         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5232         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5233         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5234         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5235         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5236         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5237         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5238         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5239         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5240         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5241         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5242         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5243         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5244         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5245         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5246         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5247         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5248         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5249         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5250         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5251         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5252         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5253         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5254         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5255         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5256         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5257         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5258         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5259         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5260         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5261         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5262         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5263         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5264         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5265         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5266         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5267         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5268         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5269         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5270         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5271         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5272         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5273         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5274         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5275         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5276         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5277         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5278         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5279         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5280         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5281         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5282         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5283         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5284         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5285         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5286         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5287         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5288         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5289         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5290         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5291         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5292         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5293         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5294         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5295         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5296         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5297         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5298         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5299         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5300         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5301         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5302         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5303         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5304         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5305         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5306         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5307         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5308         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5309         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5310         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5311         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5312 #ifdef SWM_DEBUG
5313         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5314 #endif
5315 }
5316
5317 void
5318 clear_keys(void)
5319 {
5320         struct key              *kp;
5321
5322         while (RB_EMPTY(&keys) == 0) {
5323                 kp = RB_ROOT(&keys);
5324                 key_remove(kp);
5325         }
5326 }
5327
5328 int
5329 setkeymapping(char *selector, char *value, int flags)
5330 {
5331         char                    keymapping_file[PATH_MAX];
5332         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5333         if (value[0] == '~')
5334                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5335                     pwd->pw_dir, &value[1]);
5336         else
5337                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5338         clear_keys();
5339         /* load new key bindings; if it fails, revert to default bindings */
5340         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5341                 clear_keys();
5342                 setup_keys();
5343         }
5344         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5345         return (0);
5346 }
5347
5348 void
5349 updatenumlockmask(void)
5350 {
5351         unsigned int            i, j;
5352         XModifierKeymap         *modmap;
5353
5354         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5355         numlockmask = 0;
5356         modmap = XGetModifierMapping(display);
5357         for (i = 0; i < 8; i++)
5358                 for (j = 0; j < modmap->max_keypermod; j++)
5359                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5360                             == XKeysymToKeycode(display, XK_Num_Lock))
5361                                 numlockmask = (1 << i);
5362
5363         XFreeModifiermap(modmap);
5364 }
5365
5366 void
5367 grabkeys(void)
5368 {
5369         unsigned int            j, k;
5370         KeyCode                 code;
5371         unsigned int            modifiers[] =
5372             { 0, LockMask, numlockmask, numlockmask | LockMask };
5373         struct key              *kp;
5374
5375         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5376         updatenumlockmask();
5377
5378         for (k = 0; k < ScreenCount(display); k++) {
5379                 if (TAILQ_EMPTY(&screens[k].rl))
5380                         continue;
5381                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
5382                 RB_FOREACH(kp, key_tree, &keys) {
5383                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5384                                 for (j = 0; j < LENGTH(modifiers); j++)
5385                                         XGrabKey(display, code,
5386                                             kp->mod | modifiers[j],
5387                                             screens[k].root, True,
5388                                             GrabModeAsync, GrabModeAsync);
5389                 }
5390         }
5391 }
5392
5393 void
5394 grabbuttons(struct ws_win *win, int focused)
5395 {
5396         unsigned int            i, j;
5397         unsigned int            modifiers[] =
5398             { 0, LockMask, numlockmask, numlockmask|LockMask };
5399
5400         updatenumlockmask();
5401         XUngrabButton(display, AnyButton, AnyModifier, win->id);
5402         if (focused) {
5403                 for (i = 0; i < LENGTH(buttons); i++)
5404                         if (buttons[i].action == client_click)
5405                                 for (j = 0; j < LENGTH(modifiers); j++)
5406                                         XGrabButton(display, buttons[i].button,
5407                                             buttons[i].mask | modifiers[j],
5408                                             win->id, False, BUTTONMASK,
5409                                             GrabModeAsync, GrabModeSync, None,
5410                                             None);
5411         } else
5412                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
5413                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
5414 }
5415
5416 const char *quirkname[] = {
5417         "NONE",         /* config string for "no value" */
5418         "FLOAT",
5419         "TRANSSZ",
5420         "ANYWHERE",
5421         "XTERM_FONTADJ",
5422         "FULLSCREEN",
5423         "FOCUSPREV",
5424 };
5425
5426 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5427 #define SWM_Q_WS                "\n|+ \t"
5428 int
5429 parsequirks(char *qstr, unsigned long *quirk)
5430 {
5431         char                    *cp, *name;
5432         int                     i;
5433
5434         if (quirk == NULL)
5435                 return (1);
5436
5437         cp = qstr;
5438         *quirk = 0;
5439         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5440                 if (cp)
5441                         cp += (long)strspn(cp, SWM_Q_WS);
5442                 for (i = 0; i < LENGTH(quirkname); i++) {
5443                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5444                                 DNPRINTF(SWM_D_QUIRK,
5445                                     "parsequirks: %s\n", name);
5446                                 if (i == 0) {
5447                                         *quirk = 0;
5448                                         return (0);
5449                                 }
5450                                 *quirk |= 1 << (i-1);
5451                                 break;
5452                         }
5453                 }
5454                 if (i >= LENGTH(quirkname)) {
5455                         DNPRINTF(SWM_D_QUIRK,
5456                             "parsequirks: invalid quirk [%s]\n", name);
5457                         return (1);
5458                 }
5459         }
5460         return (0);
5461 }
5462
5463 void
5464 quirk_insert(const char *class, const char *name, unsigned long quirk)
5465 {
5466         struct quirk            *qp;
5467
5468         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5469             quirk);
5470
5471         if ((qp = malloc(sizeof *qp)) == NULL)
5472                 err(1, "quirk_insert: malloc");
5473         if ((qp->class = strdup(class)) == NULL)
5474                 err(1, "quirk_insert: strdup");
5475         if ((qp->name = strdup(name)) == NULL)
5476                 err(1, "quirk_insert: strdup");
5477
5478         qp->quirk = quirk;
5479         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5480
5481         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5482 }
5483
5484 void
5485 quirk_remove(struct quirk *qp)
5486 {
5487         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5488             qp->name, qp->quirk);
5489
5490         TAILQ_REMOVE(&quirks, qp, entry);
5491         free(qp->class);
5492         free(qp->name);
5493         free(qp);
5494
5495         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5496 }
5497
5498 void
5499 quirk_replace(struct quirk *qp, const char *class, const char *name,
5500     unsigned long quirk)
5501 {
5502         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5503             qp->name, qp->quirk);
5504
5505         quirk_remove(qp);
5506         quirk_insert(class, name, quirk);
5507
5508         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5509 }
5510
5511 void
5512 setquirk(const char *class, const char *name, unsigned long quirk)
5513 {
5514         struct quirk            *qp;
5515
5516         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5517            quirk);
5518
5519         TAILQ_FOREACH(qp, &quirks, entry) {
5520                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5521                         if (!quirk)
5522                                 quirk_remove(qp);
5523                         else
5524                                 quirk_replace(qp, class, name, quirk);
5525                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5526                         return;
5527                 }
5528         }
5529         if (!quirk) {
5530                 warnx("error: setquirk: cannot find class/name combination");
5531                 return;
5532         }
5533
5534         quirk_insert(class, name, quirk);
5535         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5536 }
5537
5538 int
5539 setconfquirk(char *selector, char *value, int flags)
5540 {
5541         char                    *cp, *class, *name;
5542         int                     retval;
5543         unsigned long           quirks;
5544         if (selector == NULL)
5545                 return (0);
5546         if ((cp = strchr(selector, ':')) == NULL)
5547                 return (0);
5548         *cp = '\0';
5549         class = selector;
5550         name = cp + 1;
5551         if ((retval = parsequirks(value, &quirks)) == 0)
5552                 setquirk(class, name, quirks);
5553         return (retval);
5554 }
5555
5556 void
5557 setup_quirks(void)
5558 {
5559         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5560         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5561         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5562         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5563         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5564         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5565         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5566         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5567         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5568         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5569         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5570         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5571         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5572 }
5573
5574 /* conf file stuff */
5575 #define SWM_CONF_FILE           "spectrwm.conf"
5576 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5577
5578 enum {
5579         SWM_S_BAR_ACTION,
5580         SWM_S_BAR_AT_BOTTOM,
5581         SWM_S_BAR_BORDER_WIDTH,
5582         SWM_S_BAR_DELAY,
5583         SWM_S_BAR_ENABLED,
5584         SWM_S_BAR_FONT,
5585         SWM_S_BAR_FORMAT,
5586         SWM_S_BAR_JUSTIFY,
5587         SWM_S_BORDER_WIDTH,
5588         SWM_S_CLOCK_ENABLED,
5589         SWM_S_CLOCK_FORMAT,
5590         SWM_S_CYCLE_EMPTY,
5591         SWM_S_CYCLE_VISIBLE,
5592         SWM_S_DIALOG_RATIO,
5593         SWM_S_DISABLE_BORDER,
5594         SWM_S_FOCUS_CLOSE,
5595         SWM_S_FOCUS_CLOSE_WRAP,
5596         SWM_S_FOCUS_DEFAULT,
5597         SWM_S_FOCUS_MODE,
5598         SWM_S_SPAWN_ORDER,
5599         SWM_S_SPAWN_TERM,
5600         SWM_S_SS_APP,
5601         SWM_S_SS_ENABLED,
5602         SWM_S_STACK_ENABLED,
5603         SWM_S_TERM_WIDTH,
5604         SWM_S_TITLE_CLASS_ENABLED,
5605         SWM_S_TITLE_NAME_ENABLED,
5606         SWM_S_URGENT_ENABLED,
5607         SWM_S_VERBOSE_LAYOUT,
5608         SWM_S_WINDOW_NAME_ENABLED,
5609         SWM_S_WORKSPACE_LIMIT
5610 };
5611
5612 int
5613 setconfvalue(char *selector, char *value, int flags)
5614 {
5615         int     i;
5616         char    *b;
5617
5618         switch (flags) {
5619         case SWM_S_BAR_ACTION:
5620                 free(bar_argv[0]);
5621                 if ((bar_argv[0] = strdup(value)) == NULL)
5622                         err(1, "setconfvalue: bar_action");
5623                 break;
5624         case SWM_S_BAR_AT_BOTTOM:
5625                 bar_at_bottom = atoi(value);
5626                 break;
5627         case SWM_S_BAR_BORDER_WIDTH:
5628                 bar_border_width = atoi(value);
5629                 if (bar_border_width < 0)
5630                         bar_border_width = 0;
5631                 break;
5632         case SWM_S_BAR_DELAY:
5633                 bar_delay = atoi(value);
5634                 break;
5635         case SWM_S_BAR_ENABLED:
5636                 bar_enabled = atoi(value);
5637                 break;
5638         case SWM_S_BAR_FONT:
5639                 b = bar_fonts;
5640                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5641                         err(1, "setconfvalue: asprintf: failed to allocate "
5642                                 "memory for bar_fonts.");
5643
5644                 free(b);
5645                 break;
5646         case SWM_S_BAR_FORMAT:
5647                 free(bar_format);
5648                 if ((bar_format = strdup(value)) == NULL)
5649                         err(1, "setconfvalue: bar_format");
5650                 break;
5651         case SWM_S_BAR_JUSTIFY:
5652                 if (!strcmp(value, "left"))
5653                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5654                 else if (!strcmp(value, "center"))
5655                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5656                 else if (!strcmp(value, "right"))
5657                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5658                 else
5659                         errx(1, "invalid bar_justify");
5660                 break;
5661         case SWM_S_BORDER_WIDTH:
5662                 border_width = atoi(value);
5663                 if (border_width < 0)
5664                         border_width = 0;
5665                 break;
5666         case SWM_S_CLOCK_ENABLED:
5667                 clock_enabled = atoi(value);
5668                 break;
5669         case SWM_S_CLOCK_FORMAT:
5670 #ifndef SWM_DENY_CLOCK_FORMAT
5671                 free(clock_format);
5672                 if ((clock_format = strdup(value)) == NULL)
5673                         err(1, "setconfvalue: clock_format");
5674 #endif
5675                 break;
5676         case SWM_S_CYCLE_EMPTY:
5677                 cycle_empty = atoi(value);
5678                 break;
5679         case SWM_S_CYCLE_VISIBLE:
5680                 cycle_visible = atoi(value);
5681                 break;
5682         case SWM_S_DIALOG_RATIO:
5683                 dialog_ratio = atof(value);
5684                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5685                         dialog_ratio = .6;
5686                 break;
5687         case SWM_S_DISABLE_BORDER:
5688                 disable_border = atoi(value);
5689                 break;
5690         case SWM_S_FOCUS_CLOSE:
5691                 if (!strcmp(value, "first"))
5692                         focus_close = SWM_STACK_BOTTOM;
5693                 else if (!strcmp(value, "last"))
5694                         focus_close = SWM_STACK_TOP;
5695                 else if (!strcmp(value, "next"))
5696                         focus_close = SWM_STACK_ABOVE;
5697                 else if (!strcmp(value, "previous"))
5698                         focus_close = SWM_STACK_BELOW;
5699                 else
5700                         errx(1, "focus_close");
5701                 break;
5702         case SWM_S_FOCUS_CLOSE_WRAP:
5703                 focus_close_wrap = atoi(value);
5704                 break;
5705         case SWM_S_FOCUS_DEFAULT:
5706                 if (!strcmp(value, "last"))
5707                         focus_default = SWM_STACK_TOP;
5708                 else if (!strcmp(value, "first"))
5709                         focus_default = SWM_STACK_BOTTOM;
5710                 else
5711                         errx(1, "focus_default");
5712                 break;
5713         case SWM_S_FOCUS_MODE:
5714                 if (!strcmp(value, "default"))
5715                         focus_mode = SWM_FOCUS_DEFAULT;
5716                 else if (!strcmp(value, "follow_cursor"))
5717                         focus_mode = SWM_FOCUS_FOLLOW;
5718                 else if (!strcmp(value, "synergy"))
5719                         focus_mode = SWM_FOCUS_SYNERGY;
5720                 else
5721                         errx(1, "focus_mode");
5722                 break;
5723         case SWM_S_SPAWN_ORDER:
5724                 if (!strcmp(value, "first"))
5725                         spawn_position = SWM_STACK_BOTTOM;
5726                 else if (!strcmp(value, "last"))
5727                         spawn_position = SWM_STACK_TOP;
5728                 else if (!strcmp(value, "next"))
5729                         spawn_position = SWM_STACK_ABOVE;
5730                 else if (!strcmp(value, "previous"))
5731                         spawn_position = SWM_STACK_BELOW;
5732                 else
5733                         errx(1, "spawn_position");
5734                 break;
5735         case SWM_S_SPAWN_TERM:
5736                 setconfspawn("term", value, 0);
5737                 setconfspawn("spawn_term", value, 0);
5738                 break;
5739         case SWM_S_SS_APP:
5740                 break;
5741         case SWM_S_SS_ENABLED:
5742                 ss_enabled = atoi(value);
5743                 break;
5744         case SWM_S_STACK_ENABLED:
5745                 stack_enabled = atoi(value);
5746                 break;
5747         case SWM_S_TERM_WIDTH:
5748                 term_width = atoi(value);
5749                 if (term_width < 0)
5750                         term_width = 0;
5751                 break;
5752         case SWM_S_TITLE_CLASS_ENABLED:
5753                 title_class_enabled = atoi(value);
5754                 break;
5755         case SWM_S_TITLE_NAME_ENABLED:
5756                 title_name_enabled = atoi(value);
5757                 break;
5758         case SWM_S_URGENT_ENABLED:
5759                 urgent_enabled = atoi(value);
5760                 break;
5761         case SWM_S_VERBOSE_LAYOUT:
5762                 verbose_layout = atoi(value);
5763                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5764                         if (verbose_layout)
5765                                 layouts[i].l_string = fancy_stacker;
5766                         else
5767                                 layouts[i].l_string = plain_stacker;
5768                 }
5769                 break;
5770         case SWM_S_WINDOW_NAME_ENABLED:
5771                 window_name_enabled = atoi(value);
5772                 break;
5773         case SWM_S_WORKSPACE_LIMIT:
5774                 workspace_limit = atoi(value);
5775                 if (workspace_limit > SWM_WS_MAX)
5776                         workspace_limit = SWM_WS_MAX;
5777                 else if (workspace_limit < 1)
5778                         workspace_limit = 1;
5779                 break;
5780         default:
5781                 return (1);
5782         }
5783         return (0);
5784 }
5785
5786 int
5787 setconfmodkey(char *selector, char *value, int flags)
5788 {
5789         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5790                 update_modkey(Mod1Mask);
5791         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5792                 update_modkey(Mod2Mask);
5793         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5794                 update_modkey(Mod3Mask);
5795         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5796                 update_modkey(Mod4Mask);
5797         else
5798                 return (1);
5799         return (0);
5800 }
5801
5802 int
5803 setconfcolor(char *selector, char *value, int flags)
5804 {
5805         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5806         return (0);
5807 }
5808
5809 int
5810 setconfregion(char *selector, char *value, int flags)
5811 {
5812         custom_region(value);
5813         return (0);
5814 }
5815
5816 int
5817 setautorun(char *selector, char *value, int flags)
5818 {
5819         int                     ws_id;
5820         char                    s[1024];
5821         char                    *ap, *sp = s;
5822         union arg               a;
5823         int                     argc = 0;
5824         long                    pid;
5825         struct pid_e            *p;
5826
5827         if (getenv("SWM_STARTED"))
5828                 return (0);
5829
5830         bzero(s, sizeof s);
5831         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5832                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5833         ws_id--;
5834         if (ws_id < 0 || ws_id >= workspace_limit)
5835                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5836
5837         /*
5838          * This is a little intricate
5839          *
5840          * If the pid already exists we simply reuse it because it means it was
5841          * used before AND not claimed by manage_window.  We get away with
5842          * altering it in the parent after INSERT because this can not be a race
5843          */
5844         a.argv = NULL;
5845         while ((ap = strsep(&sp, " \t")) != NULL) {
5846                 if (*ap == '\0')
5847                         continue;
5848                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5849                 argc++;
5850                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5851                         err(1, "setautorun: realloc");
5852                 a.argv[argc - 1] = ap;
5853         }
5854
5855         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5856                 err(1, "setautorun: realloc");
5857         a.argv[argc] = NULL;
5858
5859         if ((pid = fork()) == 0) {
5860                 spawn(ws_id, &a, 1);
5861                 /* NOTREACHED */
5862                 _exit(1);
5863         }
5864         free(a.argv);
5865
5866         /* parent */
5867         p = find_pid(pid);
5868         if (p == NULL) {
5869                 p = calloc(1, sizeof *p);
5870                 if (p == NULL)
5871                         return (1);
5872                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5873         }
5874
5875         p->pid = pid;
5876         p->ws = ws_id;
5877
5878         return (0);
5879 }
5880
5881 int
5882 setlayout(char *selector, char *value, int flags)
5883 {
5884         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5885         int                     st = SWM_V_STACK;
5886         char                    s[1024];
5887         struct workspace        *ws;
5888
5889         if (getenv("SWM_STARTED"))
5890                 return (0);
5891
5892         bzero(s, sizeof s);
5893         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5894             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5895                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5896                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5897                     "<type>'");
5898         ws_id--;
5899         if (ws_id < 0 || ws_id >= workspace_limit)
5900                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5901
5902         if (!strcasecmp(s, "vertical"))
5903                 st = SWM_V_STACK;
5904         else if (!strcasecmp(s, "vertical_flip")) {
5905                 st = SWM_V_STACK;
5906                 f = 1;
5907         } else if (!strcasecmp(s, "horizontal"))
5908                 st = SWM_H_STACK;
5909         else if (!strcasecmp(s, "horizontal_flip")) {
5910                 st = SWM_H_STACK;
5911                 f = 1;
5912         } else if (!strcasecmp(s, "fullscreen"))
5913                 st = SWM_MAX_STACK;
5914         else
5915                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5916                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5917                     "<type>'");
5918
5919         for (i = 0; i < ScreenCount(display); i++) {
5920                 ws = (struct workspace *)&screens[i].ws;
5921                 ws[ws_id].cur_layout = &layouts[st];
5922
5923                 ws[ws_id].always_raise = raise;
5924                 if (st == SWM_MAX_STACK)
5925                         continue;
5926
5927                 /* master grow */
5928                 for (x = 0; x < abs(mg); x++) {
5929                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5930                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5931                             SWM_ARG_ID_MASTERSHRINK);
5932                         stack();
5933                 }
5934                 /* master add */
5935                 for (x = 0; x < abs(ma); x++) {
5936                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5937                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5938                             SWM_ARG_ID_MASTERDEL);
5939                         stack();
5940                 }
5941                 /* stack inc */
5942                 for (x = 0; x < abs(si); x++) {
5943                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5944                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5945                             SWM_ARG_ID_STACKDEC);
5946                         stack();
5947                 }
5948                 /* Apply flip */
5949                 if (f) {
5950                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5951                             SWM_ARG_ID_FLIPLAYOUT);
5952                         stack();
5953                 }
5954         }
5955
5956         return (0);
5957 }
5958
5959 /* config options */
5960 struct config_option {
5961         char                    *optname;
5962         int                     (*func)(char*, char*, int);
5963         int                     funcflags;
5964 };
5965 struct config_option configopt[] = {
5966         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5967         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5968         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5969         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5970         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5971         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5972         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5973         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5974         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5975         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5976         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
5977         { "keyboard_mapping",           setkeymapping,  0 },
5978         { "bind",                       setconfbinding, 0 },
5979         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5980         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5981         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5982         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5983         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5984         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5985         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5986         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
5987         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5988         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5989         { "modkey",                     setconfmodkey,  0 },
5990         { "program",                    setconfspawn,   0 },
5991         { "quirk",                      setconfquirk,   0 },
5992         { "region",                     setconfregion,  0 },
5993         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5994         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5995         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5996         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5997         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5998         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5999         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6000         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6001         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6002         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6003         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6004         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6005         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6006         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6007         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6008         { "autorun",                    setautorun,     0 },
6009         { "layout",                     setlayout,      0 },
6010 };
6011
6012
6013 int
6014 conf_load(char *filename, int keymapping)
6015 {
6016         FILE                    *config;
6017         char                    *line, *cp, *optsub, *optval;
6018         size_t                  linelen, lineno = 0;
6019         int                     wordlen, i, optind;
6020         struct config_option    *opt;
6021
6022         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6023
6024         if (filename == NULL) {
6025                 warnx("conf_load: no filename");
6026                 return (1);
6027         }
6028         if ((config = fopen(filename, "r")) == NULL) {
6029                 warn("conf_load: fopen: %s", filename);
6030                 return (1);
6031         }
6032
6033         while (!feof(config)) {
6034                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6035                     == NULL) {
6036                         if (ferror(config))
6037                                 err(1, "%s", filename);
6038                         else
6039                                 continue;
6040                 }
6041                 cp = line;
6042                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6043                 if (cp[0] == '\0') {
6044                         /* empty line */
6045                         free(line);
6046                         continue;
6047                 }
6048                 /* get config option */
6049                 wordlen = strcspn(cp, "=[ \t\n");
6050                 if (wordlen == 0) {
6051                         warnx("%s: line %zd: no option found",
6052                             filename, lineno);
6053                         goto out;
6054                 }
6055                 optind = -1;
6056                 for (i = 0; i < LENGTH(configopt); i++) {
6057                         opt = &configopt[i];
6058                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6059                             strlen(opt->optname) == wordlen) {
6060                                 optind = i;
6061                                 break;
6062                         }
6063                 }
6064                 if (optind == -1) {
6065                         warnx("%s: line %zd: unknown option %.*s",
6066                             filename, lineno, wordlen, cp);
6067                         goto out;
6068                 }
6069                 if (keymapping && strcmp(opt->optname, "bind")) {
6070                         warnx("%s: line %zd: invalid option %.*s",
6071                             filename, lineno, wordlen, cp);
6072                         goto out;
6073                 }
6074                 cp += wordlen;
6075                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6076                 /* get [selector] if any */
6077                 optsub = NULL;
6078                 if (*cp == '[') {
6079                         cp++;
6080                         wordlen = strcspn(cp, "]");
6081                         if (*cp != ']') {
6082                                 if (wordlen == 0) {
6083                                         warnx("%s: line %zd: syntax error",
6084                                             filename, lineno);
6085                                         goto out;
6086                                 }
6087
6088                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6089                                     -1) {
6090                                         warnx("%s: line %zd: unable to allocate"
6091                                             "memory for selector", filename,
6092                                             lineno);
6093                                         goto out;
6094                                 }
6095                         }
6096                         cp += wordlen;
6097                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6098                 }
6099                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6100                 /* get RHS value */
6101                 optval = strdup(cp);
6102                 /* call function to deal with it all */
6103                 if (configopt[optind].func(optsub, optval,
6104                     configopt[optind].funcflags) != 0)
6105                         errx(1, "%s: line %zd: invalid data for %s",
6106                             filename, lineno, configopt[optind].optname);
6107                 free(optval);
6108                 free(optsub);
6109                 free(line);
6110         }
6111
6112         fclose(config);
6113         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6114
6115         return (0);
6116
6117 out:
6118         free(line);
6119         fclose(config);
6120         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6121
6122         return (1);
6123 }
6124
6125 void
6126 set_child_transient(struct ws_win *win, Window *trans)
6127 {
6128         struct ws_win           *parent, *w;
6129         XWMHints                *wmh = NULL;
6130         struct swm_region       *r;
6131         struct workspace        *ws;
6132
6133         parent = find_window(win->transient);
6134         if (parent)
6135                 parent->child_trans = win;
6136         else {
6137                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6138                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
6139
6140                 if (win->hints == NULL) {
6141                         warnx("no hints for 0x%lx", win->id);
6142                         return;
6143                 }
6144
6145                 r = root_to_region(win->wa.root);
6146                 ws = r->ws;
6147                 /* parent doen't exist in our window list */
6148                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6149                         if (wmh)
6150                                 XFree(wmh);
6151
6152                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
6153                                 warnx("can't get hints for 0x%lx", w->id);
6154                                 continue;
6155                         }
6156
6157                         if (win->hints->window_group != wmh->window_group)
6158                                 continue;
6159
6160                         w->child_trans = win;
6161                         win->transient = w->id;
6162                         *trans = w->id;
6163                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
6164                             "transient to 0x%lx\n", win->transient);
6165                         break;
6166                 }
6167         }
6168
6169         if (wmh)
6170                 XFree(wmh);
6171 }
6172
6173 long
6174 window_get_pid(Window win)
6175 {
6176         long                            ret = 0;
6177         const char                      *errstr;
6178         xcb_atom_t                      apid;
6179         xcb_intern_atom_cookie_t        c;
6180         xcb_intern_atom_reply_t         *r;
6181         xcb_get_property_cookie_t       pc;
6182         xcb_get_property_reply_t        *pr;
6183
6184         c = xcb_intern_atom(conn, False, strlen("_NET_WM_PID"), "_NET_WM_PID");
6185         r = xcb_intern_atom_reply(conn, c, NULL);
6186         if (r) {
6187                 apid = r->atom;
6188                 free(r);
6189         } else
6190                 goto tryharder;
6191
6192         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6193         pr = xcb_get_property_reply(conn, pc, NULL);
6194         if (!pr)
6195                 goto tryharder;
6196         if (pr->type != XCB_ATOM_CARDINAL)
6197                 goto tryharder;
6198
6199         ret = *(long *)xcb_get_property_value(pr);
6200         free(pr);
6201
6202         return (ret);
6203
6204 tryharder:
6205         c = xcb_intern_atom(conn, False, strlen("_SWM_PID"), "_SWM_PID");
6206         r = xcb_intern_atom_reply(conn, c, NULL);
6207         if (r) {
6208                 apid = r->atom;
6209                 free(r);
6210         }
6211         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6212                 0, SWM_PROPLEN);
6213         pr = xcb_get_property_reply(conn, pc, NULL);
6214         if (!pr)
6215                 return (0);
6216         if (pr->type != XCB_ATOM_STRING)
6217                 free(pr);
6218                 return (0);
6219         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6220         free(pr);
6221
6222         return (ret);
6223 }
6224
6225 struct ws_win *
6226 manage_window(Window id)
6227 {
6228         Window                  trans = 0;
6229         struct workspace        *ws;
6230         struct ws_win           *win, *ww;
6231         int                     format, i, ws_idx, n, border_me = 0;
6232         unsigned long           nitems, bytes;
6233         Atom                    ws_idx_atom = 0, type;
6234         Atom                    *prot = NULL, *pp;
6235         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6236         struct swm_region       *r;
6237         const char              *errstr;
6238         struct pid_e            *p;
6239         struct quirk            *qp;
6240
6241         if ((win = find_window(id)) != NULL)
6242                 return (win);   /* already being managed */
6243
6244         /* see if we are on the unmanaged list */
6245         if ((win = find_unmanaged_window(id)) != NULL) {
6246                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6247                     "window: 0x%lx\n", win->id);
6248                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6249                 if (win->transient)
6250                         set_child_transient(win, &trans);
6251
6252                 if (trans && (ww = find_window(trans)))
6253                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6254                 else if ((ww = win->ws->focus) &&
6255                     spawn_position == SWM_STACK_ABOVE)
6256                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6257                             win, entry);
6258                 else if (ww && spawn_position == SWM_STACK_BELOW)
6259                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6260                 else switch (spawn_position) {
6261                 default:
6262                 case SWM_STACK_TOP:
6263                 case SWM_STACK_ABOVE:
6264                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6265                         break;
6266                 case SWM_STACK_BOTTOM:
6267                 case SWM_STACK_BELOW:
6268                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6269                 }
6270
6271                 ewmh_update_actions(win);
6272                 return (win);
6273         }
6274
6275         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6276                 err(1, "manage_window: calloc: failed to allocate memory for "
6277                     "new window");
6278
6279         win->id = id;
6280         win->bordered = 0;
6281
6282         /* see if we need to override the workspace */
6283         p = find_pid(window_get_pid(id));
6284
6285         /* Get all the window data in one shot */
6286         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6287         if (ws_idx_atom) {
6288                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6289                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6290         }
6291         XGetWindowAttributes(display, id, &win->wa);
6292         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6293         win->hints = XGetWMHints(display, id);
6294         XGetTransientForHint(display, id, &trans);
6295         if (trans) {
6296                 win->transient = trans;
6297                 set_child_transient(win, &trans);
6298                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
6299                     "transient: 0x%lx\n", win->id, win->transient);
6300         }
6301
6302         /* get supported protocols */
6303         if (XGetWMProtocols(display, id, &prot, &n)) {
6304                 for (i = 0, pp = prot; i < n; i++, pp++) {
6305                         if (*pp == takefocus)
6306                                 win->take_focus = 1;
6307                         if (*pp == adelete)
6308                                 win->can_delete = 1;
6309                 }
6310                 if (prot)
6311                         XFree(prot);
6312         }
6313
6314         win->iconic = get_iconic(win);
6315
6316         /*
6317          * Figure out where to put the window. If it was previously assigned to
6318          * a workspace (either by spawn() or manually moving), and isn't
6319          * transient, * put it in the same workspace
6320          */
6321         r = root_to_region(win->wa.root);
6322         if (p) {
6323                 ws = &r->s->ws[p->ws];
6324                 TAILQ_REMOVE(&pidlist, p, entry);
6325                 free(p);
6326                 p = NULL;
6327         } else if (prop && win->transient == 0) {
6328                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6329                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6330                     &errstr);
6331                 if (errstr) {
6332                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6333                             errstr, prop);
6334                 }
6335                 ws = &r->s->ws[ws_idx];
6336         } else {
6337                 ws = r->ws;
6338                 /* this should launch transients in the same ws as parent */
6339                 if (id && trans)
6340                         if ((ww = find_window(trans)) != NULL)
6341                                 if (ws->r) {
6342                                         ws = ww->ws;
6343                                         if (ww->ws->r)
6344                                                 r = ww->ws->r;
6345                                         else
6346                                                 warnx("manage_window: fix this "
6347                                                     "bug mcbride");
6348                                         border_me = 1;
6349                                 }
6350         }
6351
6352         /* set up the window layout */
6353         win->id = id;
6354         win->ws = ws;
6355         win->s = r->s;  /* this never changes */
6356         if (trans && (ww = find_window(trans)))
6357                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6358         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6359                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6360                     entry);
6361         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6362                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6363         else switch (spawn_position) {
6364         default:
6365         case SWM_STACK_TOP:
6366         case SWM_STACK_ABOVE:
6367                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6368                 break;
6369         case SWM_STACK_BOTTOM:
6370         case SWM_STACK_BELOW:
6371                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6372         }
6373
6374         /* ignore window border if there is one. */
6375         WIDTH(win) = win->wa.width;
6376         HEIGHT(win) = win->wa.height;
6377         X(win) = win->wa.x + win->wa.border_width;
6378         Y(win) = win->wa.y + win->wa.border_width;
6379         win->bordered = 0;
6380         win->g_floatvalid = 0;
6381         win->floatmaxed = 0;
6382         win->ewmh_flags = 0;
6383
6384         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, (x,y) w x h: "
6385             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6386             HEIGHT(win), ws->idx);
6387
6388         constrain_window(win, r, 0);
6389
6390         /* Set window properties so we can remember this after reincarnation */
6391         if (ws_idx_atom && prop == NULL &&
6392             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6393                 SWM_PROPLEN) {
6394                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6395                     ws_idx_str);
6396                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6397                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6398         }
6399         if (prop)
6400                 XFree(prop);
6401
6402         ewmh_autoquirk(win);
6403
6404         if (XGetClassHint(display, win->id, &win->ch)) {
6405                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6406                     win->ch.res_class, win->ch.res_name);
6407
6408                 /* java is retarded so treat it special */
6409                 if (strstr(win->ch.res_name, "sun-awt")) {
6410                         win->java = 1;
6411                         border_me = 1;
6412                 }
6413
6414                 TAILQ_FOREACH(qp, &quirks, entry) {
6415                         if (!strcmp(win->ch.res_class, qp->class) &&
6416                             !strcmp(win->ch.res_name, qp->name)) {
6417                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6418                                     "class: %s, name: %s\n", win->ch.res_class,
6419                                     win->ch.res_name);
6420                                 if (qp->quirk & SWM_Q_FLOAT) {
6421                                         win->floating = 1;
6422                                         border_me = 1;
6423                                 }
6424                                 win->quirks = qp->quirk;
6425                         }
6426                 }
6427         }
6428
6429         /* alter window position if quirky */
6430         if (win->quirks & SWM_Q_ANYWHERE) {
6431                 win->manual = 1; /* don't center the quirky windows */
6432                 if (bar_enabled && Y(win) < bar_height)
6433                         Y(win) = bar_height;
6434                 if (WIDTH(win) + X(win) > WIDTH(r))
6435                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6436                 border_me = 1;
6437         }
6438
6439         /* Reset font sizes (the bruteforce way; no default keybinding). */
6440         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6441                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6442                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6443                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6444                         fake_keypress(win, XK_KP_Add, ShiftMask);
6445         }
6446
6447         ewmh_get_win_state(win);
6448         ewmh_update_actions(win);
6449         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6450
6451         /* border me */
6452         if (border_me) {
6453                 win->bordered = 1;
6454                 X(win) -= border_width;
6455                 Y(win) -= border_width;
6456                 update_window(win);
6457         }
6458
6459         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
6460             PropertyChangeMask | StructureNotifyMask);
6461
6462         /* floaters need to be mapped if they are in the current workspace */
6463         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6464                 XMapRaised(display, win->id);
6465
6466         return (win);
6467 }
6468
6469 void
6470 free_window(struct ws_win *win)
6471 {
6472         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
6473
6474         if (win == NULL)
6475                 return;
6476
6477         /* needed for restart wm */
6478         set_win_state(win, WithdrawnState);
6479
6480         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6481
6482         if (win->ch.res_class)
6483                 XFree(win->ch.res_class);
6484         if (win->ch.res_name)
6485                 XFree(win->ch.res_name);
6486
6487         kill_refs(win);
6488
6489         /* paint memory */
6490         memset(win, 0xff, sizeof *win); /* XXX kill later */
6491
6492         free(win);
6493 }
6494
6495 void
6496 unmanage_window(struct ws_win *win)
6497 {
6498         struct ws_win           *parent;
6499
6500         if (win == NULL)
6501                 return;
6502
6503         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
6504
6505         if (win->transient) {
6506                 parent = find_window(win->transient);
6507                 if (parent)
6508                         parent->child_trans = NULL;
6509         }
6510
6511         /* focus on root just in case */
6512         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
6513
6514         focus_prev(win);
6515
6516         if (win->hints) {
6517                 XFree(win->hints);
6518                 win->hints = NULL;
6519         }
6520
6521         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6522         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6523 }
6524
6525 void
6526 focus_magic(struct ws_win *win)
6527 {
6528         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6529
6530         if (win == NULL) {
6531                 /* if there are no windows clear the status-bar */
6532                 bar_update();
6533                 return;
6534         }
6535
6536         if (win->child_trans) {
6537                 /* win = parent & has a transient so focus on that */
6538                 if (win->java) {
6539                         focus_win(win->child_trans);
6540                         if (win->child_trans->take_focus)
6541                                 client_msg(win, takefocus);
6542                 } else {
6543                         /* make sure transient hasn't disappeared */
6544                         if (validate_win(win->child_trans) == 0) {
6545                                 focus_win(win->child_trans);
6546                                 if (win->child_trans->take_focus)
6547                                         client_msg(win->child_trans, takefocus);
6548                         } else {
6549                                 win->child_trans = NULL;
6550                                 focus_win(win);
6551                                 if (win->take_focus)
6552                                         client_msg(win, takefocus);
6553                         }
6554                 }
6555         } else {
6556                 /* regular focus */
6557                 focus_win(win);
6558                 if (win->take_focus)
6559                         client_msg(win, takefocus);
6560         }
6561 }
6562
6563 void
6564 expose(XEvent *e)
6565 {
6566         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6567 }
6568
6569 void
6570 keypress(XEvent *e)
6571 {
6572         KeySym                  keysym;
6573         XKeyEvent               *ev = &e->xkey;
6574         struct key              *kp;
6575         struct swm_region       *r;
6576
6577         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6578         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6579                 return;
6580         if (keyfuncs[kp->funcid].func == NULL)
6581                 return;
6582
6583         r = root_to_region(ev->root);
6584         if (kp->funcid == kf_spawn_custom)
6585                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6586         else
6587                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6588 }
6589
6590 void
6591 buttonpress(XEvent *e)
6592 {
6593         struct ws_win           *win;
6594         int                     i, action;
6595         XButtonPressedEvent     *ev = &e->xbutton;
6596
6597         if ((win = find_window(ev->window)) == NULL)
6598                 return;
6599
6600         focus_magic(win);
6601         action = client_click;
6602
6603         for (i = 0; i < LENGTH(buttons); i++)
6604                 if (action == buttons[i].action && buttons[i].func &&
6605                     buttons[i].button == ev->button &&
6606                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6607                         buttons[i].func(win, &buttons[i].args);
6608 }
6609
6610 void
6611 configurerequest(XEvent *e)
6612 {
6613         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6614         struct ws_win           *win;
6615         int                     new = 0;
6616         XWindowChanges          wc;
6617
6618         if ((win = find_window(ev->window)) == NULL)
6619                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6620                         new = 1;
6621
6622         if (new) {
6623                 bzero(&wc, sizeof wc);
6624                 wc.x = ev->x;
6625                 wc.y = ev->y;
6626                 wc.width = ev->width;
6627                 wc.height = ev->height;
6628                 wc.border_width = ev->border_width;
6629                 wc.sibling = ev->above;
6630                 wc.stack_mode = ev->detail;
6631
6632                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6633                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6634                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6635
6636                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6637         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6638             !(win->sh_mask & EWMH_F_FULLSCREEN)) {
6639                 win->g_float.x = ev->x - X(win->ws->r);
6640                 win->g_float.y = ev->y - Y(win->ws->r);
6641                 win->g_float.w = ev->width;
6642                 win->g_float.h = ev->height;
6643                 win->g_floatvalid = 1;
6644
6645                 if (win->floating) {
6646                         win->g = win->g_float;
6647                         win->g.x += X(win->ws->r);
6648                         win->g.y += Y(win->ws->r);
6649                         update_window(win);
6650                 } else {
6651                         config_win(win, ev);
6652                 }
6653         } else {
6654                 config_win(win, ev);
6655         }
6656 }
6657
6658 void
6659 configurenotify(XEvent *e)
6660 {
6661         struct ws_win           *win;
6662
6663         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6664             e->xconfigure.window);
6665
6666         win = find_window(e->xconfigure.window);
6667         if (win) {
6668                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6669                 adjust_font(win);
6670                 if (font_adjusted)
6671                         stack();
6672                 if (focus_mode == SWM_FOCUS_DEFAULT)
6673                         drain_enter_notify();
6674         }
6675 }
6676
6677 void
6678 destroynotify(XEvent *e)
6679 {
6680         struct ws_win           *win;
6681         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6682
6683         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6684
6685         if ((win = find_window(ev->window)) == NULL) {
6686                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6687                         return;
6688                 free_window(win);
6689                 return;
6690         }
6691
6692         /* make sure we focus on something */
6693         win->floating = 0;
6694
6695         unmanage_window(win);
6696         stack();
6697         if (focus_mode == SWM_FOCUS_DEFAULT)
6698                 drain_enter_notify();
6699         free_window(win);
6700 }
6701
6702 void
6703 enternotify(XEvent *e)
6704 {
6705         XCrossingEvent          *ev = &e->xcrossing;
6706         XEvent                  cne;
6707         struct ws_win           *win;
6708 #if 0
6709         struct ws_win           *w;
6710         Window                  focus_return;
6711         int                     revert_to_return;
6712 #endif
6713         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6714             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6715             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6716             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6717
6718         if (ev->mode != NotifyNormal) {
6719                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6720                     "cursor grab.\n");
6721                 return;
6722         }
6723
6724         switch (focus_mode) {
6725         case SWM_FOCUS_DEFAULT:
6726                 break;
6727         case SWM_FOCUS_FOLLOW:
6728                 break;
6729         case SWM_FOCUS_SYNERGY:
6730 #if 0
6731         /*
6732          * all these checks need to be in this order because the
6733          * XCheckTypedWindowEvent relies on weeding out the previous events
6734          *
6735          * making this code an option would enable a follow mouse for focus
6736          * feature
6737          */
6738
6739         /*
6740          * state is set when we are switching workspaces and focus is set when
6741          * the window or a subwindow already has focus (occurs during restart).
6742          *
6743          * Only honor the focus flag if last_focus_event is not FocusOut,
6744          * this allows spectrwm to continue to control focus when another
6745          * program is also playing with it.
6746          */
6747         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6748                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6749                 return;
6750         }
6751
6752         /*
6753          * happens when a window is created or destroyed and the border
6754          * crosses the mouse pointer and when switching ws
6755          *
6756          * we need the subwindow test to see if we came from root in order
6757          * to give focus to floaters
6758          */
6759         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6760             ev->subwindow == 0) {
6761                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6762                 return;
6763         }
6764
6765         /* this window already has focus */
6766         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6767                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6768                 return;
6769         }
6770
6771         /* this window is being deleted or moved to another ws */
6772         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6773             &cne) == True) {
6774                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6775                 XPutBackEvent(display, &cne);
6776                 return;
6777         }
6778
6779         if ((win = find_window(ev->window)) == NULL) {
6780                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6781                 return;
6782         }
6783
6784         /*
6785          * In fullstack kill all enters unless they come from a different ws
6786          * (i.e. another region) or focus has been grabbed externally.
6787          */
6788         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6789             last_focus_event != FocusOut) {
6790                 XGetInputFocus(display, &focus_return, &revert_to_return);
6791                 if ((w = find_window(focus_return)) == NULL ||
6792                     w->ws == win->ws) {
6793                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6794                         return;
6795                 }
6796         }
6797 #endif
6798                 break;
6799         }
6800
6801         if ((win = find_window(ev->window)) == NULL) {
6802                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6803                 return;
6804         }
6805
6806         /*
6807          * if we have more enternotifies let them handle it in due time
6808          */
6809         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6810                 DNPRINTF(SWM_D_EVENT,
6811                     "ignoring enternotify: got more enternotify\n");
6812                 XPutBackEvent(display, &cne);
6813                 return;
6814         }
6815
6816         focus_magic(win);
6817 }
6818
6819 /* lets us use one switch statement for arbitrary mode/detail combinations */
6820 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6821
6822 void
6823 focusevent(XEvent *e)
6824 {
6825 #if 0
6826         struct ws_win           *win;
6827         u_int32_t               mode_detail;
6828         XFocusChangeEvent       *ev = &e->xfocus;
6829
6830         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6831             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6832             ev->window, ev->mode, ev->detail);
6833
6834         if (last_focus_event == ev->type) {
6835                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6836                 return;
6837         }
6838
6839         last_focus_event = ev->type;
6840         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6841
6842         switch (mode_detail) {
6843         /* synergy client focus operations */
6844         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6845         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6846
6847         /* synergy server focus operations */
6848         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6849
6850         /* Entering applications like rdesktop that mangle the pointer */
6851         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6852
6853                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6854                         XSetWindowBorder(display, win->id,
6855                             win->ws->r->s->c[ev->type == FocusIn ?
6856                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6857                 break;
6858         default:
6859                 warnx("ignoring focusevent");
6860                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6861                 break;
6862         }
6863 #endif
6864 }
6865
6866 void
6867 mapnotify(XEvent *e)
6868 {
6869         struct ws_win           *win;
6870         XMapEvent               *ev = &e->xmap;
6871
6872         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6873
6874         win = manage_window(ev->window);
6875         if (win)
6876                 set_win_state(win, NormalState);
6877
6878         /*
6879          * focus_win can only set input focus on a mapped window.
6880          * make sure the window really has focus since it is just being mapped.
6881          */
6882         if (win->ws->focus == win)
6883                 focus_win(win);
6884 }
6885
6886 void
6887 mappingnotify(XEvent *e)
6888 {
6889         XMappingEvent           *ev = &e->xmapping;
6890
6891         XRefreshKeyboardMapping(ev);
6892         if (ev->request == MappingKeyboard)
6893                 grabkeys();
6894 }
6895
6896 void
6897 maprequest(XEvent *e)
6898 {
6899         struct ws_win           *win;
6900         struct swm_region       *r;
6901         XWindowAttributes       wa;
6902         XMapRequestEvent        *ev = &e->xmaprequest;
6903
6904         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6905             e->xmaprequest.window);
6906
6907         if (!XGetWindowAttributes(display, ev->window, &wa))
6908                 return;
6909         if (wa.override_redirect)
6910                 return;
6911
6912         win = manage_window(e->xmaprequest.window);
6913         if (win == NULL)
6914                 return; /* can't happen */
6915
6916         stack();
6917
6918         /* make new win focused */
6919         r = root_to_region(win->wa.root);
6920         if (win->ws == r->ws)
6921                 focus_magic(win);
6922 }
6923
6924 void
6925 propertynotify(XEvent *e)
6926 {
6927         struct ws_win           *win;
6928         XPropertyEvent          *ev = &e->xproperty;
6929 #ifdef SWM_DEBUG
6930         char                    *name;
6931         name = XGetAtomName(display, ev->atom);
6932         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6933             ev->window, name);
6934         XFree(name);
6935 #endif
6936
6937         win = find_window(ev->window);
6938         if (win == NULL)
6939                 return;
6940
6941         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6942                 update_iconic(win, 0);
6943                 XMapRaised(display, win->id);
6944                 stack();
6945                 focus_win(win);
6946                 return;
6947         }
6948
6949         switch (ev->atom) {
6950 #if 0
6951         case XA_WM_NORMAL_HINTS:
6952                 long            mask;
6953                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6954                 warnx("normal hints: flag 0x%x", win->sh.flags);
6955                 if (win->sh.flags & PMinSize) {
6956                         WIDTH(win) = win->sh.min_width;
6957                         HEIGHT(win) = win->sh.min_height;
6958                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
6959                 }
6960                 XMoveResizeWindow(display, win->id,
6961                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6962 #endif
6963         case XA_WM_CLASS:
6964         case XA_WM_NAME:
6965                 bar_update();
6966                 break;
6967         default:
6968                 break;
6969         }
6970 }
6971
6972 void
6973 unmapnotify(XEvent *e)
6974 {
6975         struct ws_win           *win;
6976
6977         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
6978
6979         /* determine if we need to help unmanage this window */
6980         win = find_window(e->xunmap.window);
6981         if (win == NULL)
6982                 return;
6983
6984         if (getstate(e->xunmap.window) == NormalState) {
6985                 unmanage_window(win);
6986                 stack();
6987
6988                 /* giant hack for apps that don't destroy transient windows */
6989                 /* eat a bunch of events to prevent remanaging the window */
6990                 XEvent                  cne;
6991                 while (XCheckWindowEvent(display, e->xunmap.window,
6992                     EnterWindowMask, &cne))
6993                         ;
6994                 while (XCheckWindowEvent(display, e->xunmap.window,
6995                     StructureNotifyMask, &cne))
6996                         ;
6997                 while (XCheckWindowEvent(display, e->xunmap.window,
6998                     SubstructureNotifyMask, &cne))
6999                         ;
7000                 /* resend unmap because we ated it */
7001                 XUnmapWindow(display, e->xunmap.window);
7002         }
7003
7004         if (focus_mode == SWM_FOCUS_DEFAULT)
7005                 drain_enter_notify();
7006 }
7007
7008 void
7009 visibilitynotify(XEvent *e)
7010 {
7011         int                     i;
7012         struct swm_region       *r;
7013
7014         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7015             e->xvisibility.window);
7016         if (e->xvisibility.state == VisibilityUnobscured)
7017                 for (i = 0; i < ScreenCount(display); i++)
7018                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7019                                 if (e->xvisibility.window == WINID(r->bar))
7020                                         bar_update();
7021 }
7022
7023 void
7024 clientmessage(XEvent *e)
7025 {
7026         XClientMessageEvent     *ev;
7027         struct ws_win           *win;
7028
7029         ev = &e->xclient;
7030
7031         win = find_window(ev->window);
7032         if (win == NULL) {
7033                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7034                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7035                             "unmanaged window.\n");
7036                         e->xmaprequest.window = ev->window;
7037                         maprequest(e);
7038                 }
7039                 return;
7040         }
7041
7042         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7043             ev->window, ev->message_type);
7044
7045         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7046                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7047                 focus_win(win);
7048         }
7049         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7050                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7051                 if (win->can_delete)
7052                         client_msg(win, adelete);
7053                 else
7054                         XKillClient(display, win->id);
7055         }
7056         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7057                 DNPRINTF(SWM_D_EVENT,
7058                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7059                 if (win->floating) {
7060                         if (ev->data.l[0] & (1<<8)) /* x */
7061                                 X(win) = ev->data.l[1];
7062                         if (ev->data.l[0] & (1<<9)) /* y */
7063                                 Y(win) = ev->data.l[2];
7064                         if (ev->data.l[0] & (1<<10)) /* width */
7065                                 WIDTH(win) = ev->data.l[3];
7066                         if (ev->data.l[0] & (1<<11)) /* height */
7067                                 HEIGHT(win) = ev->data.l[4];
7068
7069                         update_window(win);
7070                 }
7071                 else {
7072                         /* TODO: Change stack sizes */
7073                         /* notify no change was made. */
7074                         config_win(win, NULL);
7075                 }
7076         }
7077         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7078                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7079                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7080                 if (ev->data.l[2])
7081                         ewmh_update_win_state(win, ev->data.l[2],
7082                             ev->data.l[0]);
7083
7084                 stack();
7085         }
7086 }
7087
7088 int
7089 xerror_start(Display *d, XErrorEvent *ee)
7090 {
7091         other_wm = 1;
7092         return (-1);
7093 }
7094
7095 int
7096 xerror(Display *d, XErrorEvent *ee)
7097 {
7098         /* warnx("error: %p %p", display, ee); */
7099         return (-1);
7100 }
7101
7102 int
7103 active_wm(void)
7104 {
7105         other_wm = 0;
7106         xerrorxlib = XSetErrorHandler(xerror_start);
7107
7108         /* this causes an error if some other window manager is running */
7109         XSelectInput(display, DefaultRootWindow(display),
7110             SubstructureRedirectMask);
7111         XSync(display, False);
7112         if (other_wm)
7113                 return (1);
7114
7115         XSetErrorHandler(xerror);
7116         XSync(display, False);
7117         return (0);
7118 }
7119
7120 void
7121 new_region(struct swm_screen *s, int x, int y, int w, int h)
7122 {
7123         struct swm_region       *r, *n;
7124         struct workspace        *ws = NULL;
7125         int                     i;
7126
7127         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7128              s->idx, w, h, x, y);
7129
7130         /* remove any conflicting regions */
7131         n = TAILQ_FIRST(&s->rl);
7132         while (n) {
7133                 r = n;
7134                 n = TAILQ_NEXT(r, entry);
7135                 if (X(r) < (x + w) &&
7136                     (X(r) + WIDTH(r)) > x &&
7137                     Y(r) < (y + h) &&
7138                     (Y(r) + HEIGHT(r)) > y) {
7139                         if (r->ws->r != NULL)
7140                                 r->ws->old_r = r->ws->r;
7141                         r->ws->r = NULL;
7142                         bar_cleanup(r);
7143                         TAILQ_REMOVE(&s->rl, r, entry);
7144                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7145                 }
7146         }
7147
7148         /* search old regions for one to reuse */
7149
7150         /* size + location match */
7151         TAILQ_FOREACH(r, &s->orl, entry)
7152                 if (X(r) == x && Y(r) == y &&
7153                     HEIGHT(r) == h && WIDTH(r) == w)
7154                         break;
7155
7156         /* size match */
7157         TAILQ_FOREACH(r, &s->orl, entry)
7158                 if (HEIGHT(r) == h && WIDTH(r) == w)
7159                         break;
7160
7161         if (r != NULL) {
7162                 TAILQ_REMOVE(&s->orl, r, entry);
7163                 /* try to use old region's workspace */
7164                 if (r->ws->r == NULL)
7165                         ws = r->ws;
7166         } else
7167                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7168                         err(1, "new_region: calloc: failed to allocate memory "
7169                             "for screen");
7170
7171         /* if we don't have a workspace already, find one */
7172         if (ws == NULL) {
7173                 for (i = 0; i < workspace_limit; i++)
7174                         if (s->ws[i].r == NULL) {
7175                                 ws = &s->ws[i];
7176                                 break;
7177                         }
7178         }
7179
7180         if (ws == NULL)
7181                 errx(1, "new_region: no free workspaces");
7182
7183         X(r) = x;
7184         Y(r) = y;
7185         WIDTH(r) = w;
7186         HEIGHT(r) = h;
7187         r->s = s;
7188         r->ws = ws;
7189         r->ws_prior = NULL;
7190         ws->r = r;
7191         outputs++;
7192         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7193 }
7194
7195 void
7196 scan_xrandr(int i)
7197 {
7198 #ifdef SWM_XRR_HAS_CRTC
7199         XRRCrtcInfo             *ci;
7200         XRRScreenResources      *sr;
7201         int                     c;
7202         int                     ncrtc = 0;
7203 #endif /* SWM_XRR_HAS_CRTC */
7204         struct swm_region       *r;
7205
7206
7207         if (i >= ScreenCount(display))
7208                 errx(1, "scan_xrandr: invalid screen");
7209
7210         /* remove any old regions */
7211         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7212                 r->ws->old_r = r->ws->r = NULL;
7213                 bar_cleanup(r);
7214                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7215                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7216         }
7217         outputs = 0;
7218
7219         /* map virtual screens onto physical screens */
7220 #ifdef SWM_XRR_HAS_CRTC
7221         if (xrandr_support) {
7222                 sr = XRRGetScreenResourcesCurrent(display, screens[i].root);
7223                 if (sr == NULL)
7224                         new_region(&screens[i], 0, 0,
7225                             DisplayWidth(display, i),
7226                             DisplayHeight(display, i));
7227                 else
7228                         ncrtc = sr->ncrtc;
7229
7230                 for (c = 0, ci = NULL; c < ncrtc; c++) {
7231                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
7232                         if (ci->noutput == 0)
7233                                 continue;
7234
7235                         if (ci != NULL && ci->mode == None)
7236                                 new_region(&screens[i], 0, 0,
7237                                     DisplayWidth(display, i),
7238                                     DisplayHeight(display, i));
7239                         else
7240                                 new_region(&screens[i],
7241                                     ci->x, ci->y, ci->width, ci->height);
7242                 }
7243                 if (ci)
7244                         XRRFreeCrtcInfo(ci);
7245                 XRRFreeScreenResources(sr);
7246         } else
7247 #endif /* SWM_XRR_HAS_CRTC */
7248         {
7249                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
7250                     DisplayHeight(display, i));
7251         }
7252 }
7253
7254 void
7255 screenchange(XEvent *e) {
7256         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7257         struct swm_region               *r;
7258         int                             i;
7259
7260         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7261
7262         if (!XRRUpdateConfiguration(e))
7263                 return;
7264
7265         /* silly event doesn't include the screen index */
7266         for (i = 0; i < ScreenCount(display); i++)
7267                 if (screens[i].root == xe->root)
7268                         break;
7269         if (i >= ScreenCount(display))
7270                 errx(1, "screenchange: screen not found");
7271
7272         /* brute force for now, just re-enumerate the regions */
7273         scan_xrandr(i);
7274
7275         /* add bars to all regions */
7276         for (i = 0; i < ScreenCount(display); i++)
7277                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7278                         bar_setup(r);
7279         stack();
7280         if (focus_mode == SWM_FOCUS_DEFAULT)
7281                 drain_enter_notify();
7282 }
7283
7284 void
7285 grab_windows(void)
7286 {
7287         Window                  d1, d2, *wins = NULL;
7288         XWindowAttributes       wa;
7289         unsigned int            no;
7290         int                     i, j;
7291         long                    state, manage;
7292
7293         for (i = 0; i < ScreenCount(display); i++) {
7294                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
7295                         continue;
7296
7297                 /* attach windows to a region */
7298                 /* normal windows */
7299                 for (j = 0; j < no; j++) {
7300                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7301                             wa.override_redirect ||
7302                             XGetTransientForHint(display, wins[j], &d1))
7303                                 continue;
7304
7305                         state = getstate(wins[j]);
7306                         manage = state == IconicState;
7307                         if (wa.map_state == IsViewable || manage)
7308                                 manage_window(wins[j]);
7309                 }
7310                 /* transient windows */
7311                 for (j = 0; j < no; j++) {
7312                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7313                             wa.override_redirect)
7314                                 continue;
7315
7316                         state = getstate(wins[j]);
7317                         manage = state == IconicState;
7318                         if (XGetTransientForHint(display, wins[j], &d1) &&
7319                             manage)
7320                                 manage_window(wins[j]);
7321                 }
7322                 if (wins) {
7323                         XFree(wins);
7324                         wins = NULL;
7325                 }
7326         }
7327 }
7328
7329 void
7330 setup_screens(void)
7331 {
7332         int                     i, j, k, num_screens;
7333         int                     errorbase, major, minor;
7334         struct workspace        *ws;
7335         XGCValues               gcv;
7336
7337         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7338         if ((screens = calloc(num_screens,
7339              sizeof(struct swm_screen))) == NULL)
7340                 err(1, "setup_screens: calloc: failed to allocate memory for "
7341                     "screens");
7342
7343         /* initial Xrandr setup */
7344         xrandr_support = XRRQueryExtension(display,
7345             &xrandr_eventbase, &errorbase);
7346         if (xrandr_support)
7347                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
7348                         xrandr_support = 0;
7349
7350         /* map physical screens */
7351         for (i = 0; i < num_screens; i++) {
7352                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7353                 screens[i].idx = i;
7354                 TAILQ_INIT(&screens[i].rl);
7355                 TAILQ_INIT(&screens[i].orl);
7356                 screens[i].root = RootWindow(display, i);
7357
7358                 /* set default colors */
7359                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7360                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7361                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7362                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7363                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7364
7365                 /* create graphics context on screen */
7366                 gcv.graphics_exposures = 0;
7367                 screens[i].bar_gc = XCreateGC(display, screens[i].root,
7368                     GCGraphicsExposures, &gcv);
7369
7370                 /* set default cursor */
7371                 XDefineCursor(display, screens[i].root,
7372                     XCreateFontCursor(display, XC_left_ptr));
7373
7374                 /* init all workspaces */
7375                 /* XXX these should be dynamically allocated too */
7376                 for (j = 0; j < SWM_WS_MAX; j++) {
7377                         ws = &screens[i].ws[j];
7378                         ws->idx = j;
7379                         ws->name = NULL;
7380                         ws->focus = NULL;
7381                         ws->r = NULL;
7382                         ws->old_r = NULL;
7383                         TAILQ_INIT(&ws->winlist);
7384                         TAILQ_INIT(&ws->unmanagedlist);
7385
7386                         for (k = 0; layouts[k].l_stack != NULL; k++)
7387                                 if (layouts[k].l_config != NULL)
7388                                         layouts[k].l_config(ws,
7389                                             SWM_ARG_ID_STACKINIT);
7390                         ws->cur_layout = &layouts[0];
7391                         ws->cur_layout->l_string(ws);
7392                 }
7393
7394                 scan_xrandr(i);
7395
7396                 if (xrandr_support)
7397                         XRRSelectInput(display, screens[i].root,
7398                             RRScreenChangeNotifyMask);
7399         }
7400 }
7401
7402 void
7403 setup_globals(void)
7404 {
7405         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7406                 err(1, "setup_globals: strdup: failed to allocate memory.");
7407
7408         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7409                 err(1, "setup_globals: strdup: failed to allocate memory.");
7410 }
7411
7412 void
7413 workaround(void)
7414 {
7415         int                     i;
7416         Atom                    netwmcheck, netwmname, utf8_string;
7417         Window                  root, win;
7418
7419         /* work around sun jdk bugs, code from wmname */
7420         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
7421         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7422         utf8_string = XInternAtom(display, "UTF8_STRING", False);
7423         for (i = 0; i < ScreenCount(display); i++) {
7424                 root = screens[i].root;
7425                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
7426                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
7427                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
7428
7429                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
7430                     PropModeReplace, (unsigned char *)&win, 1);
7431                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
7432                     PropModeReplace, (unsigned char *)&win, 1);
7433                 XChangeProperty(display, win, netwmname, utf8_string, 8,
7434                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
7435         }
7436 }
7437
7438 int
7439 main(int argc, char *argv[])
7440 {
7441         struct swm_region       *r, *rr;
7442         struct ws_win           *winfocus = NULL;
7443         struct timeval          tv;
7444         union arg               a;
7445         char                    conf[PATH_MAX], *cfile = NULL;
7446         struct stat             sb;
7447         XEvent                  e;
7448         int                     xfd, i;
7449         fd_set                  rd;
7450         struct sigaction        sact;
7451
7452         start_argv = argv;
7453         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7454         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7455             !XSupportsLocale())
7456                 warnx("no locale support");
7457
7458         if (!X_HAVE_UTF8_STRING)
7459                 warnx("no UTF-8 support");
7460
7461         if (!(display = XOpenDisplay(0)))
7462                 errx(1, "can not open display");
7463
7464         if (!(conn = XGetXCBConnection(display)))
7465                 errx(1, "can not get XCB connection");
7466
7467         if (active_wm())
7468                 errx(1, "other wm running");
7469
7470         /* handle some signals */
7471         bzero(&sact, sizeof(sact));
7472         sigemptyset(&sact.sa_mask);
7473         sact.sa_flags = 0;
7474         sact.sa_handler = sighdlr;
7475         sigaction(SIGINT, &sact, NULL);
7476         sigaction(SIGQUIT, &sact, NULL);
7477         sigaction(SIGTERM, &sact, NULL);
7478         sigaction(SIGHUP, &sact, NULL);
7479
7480         sact.sa_handler = sighdlr;
7481         sact.sa_flags = SA_NOCLDSTOP;
7482         sigaction(SIGCHLD, &sact, NULL);
7483
7484         astate = XInternAtom(display, "WM_STATE", False);
7485         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
7486         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
7487         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
7488         a_wmname = XInternAtom(display, "WM_NAME", False);
7489         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7490         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
7491         a_string = XInternAtom(display, "STRING", False);
7492         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
7493
7494         /* look for local and global conf file */
7495         pwd = getpwuid(getuid());
7496         if (pwd == NULL)
7497                 errx(1, "invalid user: %d", getuid());
7498
7499         setup_globals();
7500         setup_screens();
7501         setup_keys();
7502         setup_quirks();
7503         setup_spawn();
7504
7505         /* load config */
7506         for (i = 0; ; i++) {
7507                 conf[0] = '\0';
7508                 switch (i) {
7509                 case 0:
7510                         /* ~ */
7511                         snprintf(conf, sizeof conf, "%s/.%s",
7512                             pwd->pw_dir, SWM_CONF_FILE);
7513                         break;
7514                 case 1:
7515                         /* global */
7516                         snprintf(conf, sizeof conf, "/etc/%s",
7517                             SWM_CONF_FILE);
7518                         break;
7519                 case 2:
7520                         /* ~ compat */
7521                         snprintf(conf, sizeof conf, "%s/.%s",
7522                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7523                         break;
7524                 case 3:
7525                         /* global compat */
7526                         snprintf(conf, sizeof conf, "/etc/%s",
7527                             SWM_CONF_FILE_OLD);
7528                         break;
7529                 default:
7530                         goto noconfig;
7531                 }
7532
7533                 if (strlen(conf) && stat(conf, &sb) != -1)
7534                         if (S_ISREG(sb.st_mode)) {
7535                                 cfile = conf;
7536                                 break;
7537                         }
7538         }
7539 noconfig:
7540
7541         /* load conf (if any) */
7542         if (cfile)
7543                 conf_load(cfile, SWM_CONF_DEFAULT);
7544
7545         setup_ewmh();
7546         /* set some values to work around bad programs */
7547         workaround();
7548         /* grab existing windows (before we build the bars) */
7549         grab_windows();
7550
7551         if (getenv("SWM_STARTED") == NULL)
7552                 setenv("SWM_STARTED", "YES", 1);
7553
7554         /* setup all bars */
7555         for (i = 0; i < ScreenCount(display); i++)
7556                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7557                         if (winfocus == NULL)
7558                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7559                         bar_setup(r);
7560                 }
7561
7562         unfocus_all();
7563
7564         grabkeys();
7565         stack();
7566         if (focus_mode == SWM_FOCUS_DEFAULT)
7567                 drain_enter_notify();
7568
7569         xfd = ConnectionNumber(display);
7570         while (running) {
7571                 while (XPending(display)) {
7572                         XNextEvent(display, &e);
7573                         if (running == 0)
7574                                 goto done;
7575                         if (e.type < LASTEvent) {
7576                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7577                                     "window: 0x%lx, type: %s (%d), %d remaining"
7578                                     "\n", YESNO(handler[e.type]),
7579                                     e.xany.window, geteventname(&e),
7580                                     e.type, QLength(display));
7581
7582                                 if (handler[e.type])
7583                                         handler[e.type](&e);
7584                         } else {
7585                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7586                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7587                                     xrandr_geteventname(&e), e.type);
7588
7589                                 switch (e.type - xrandr_eventbase) {
7590                                 case RRScreenChangeNotify:
7591                                         screenchange(&e);
7592                                         break;
7593                                 default:
7594                                         break;
7595                                 }
7596                         }
7597                 }
7598
7599                 /* if we are being restarted go focus on first window */
7600                 if (winfocus) {
7601                         rr = winfocus->ws->r;
7602                         if (rr == NULL) {
7603                                 /* not a visible window */
7604                                 winfocus = NULL;
7605                                 continue;
7606                         }
7607                         /* move pointer to first screen if multi screen */
7608                         if (ScreenCount(display) > 1 || outputs > 1)
7609                                 XWarpPointer(display, None, rr->s[0].root,
7610                                     0, 0, 0, 0, X(rr),
7611                                     Y(rr) + (bar_enabled ? bar_height : 0));
7612
7613                         a.id = SWM_ARG_ID_FOCUSCUR;
7614                         focus(rr, &a);
7615                         winfocus = NULL;
7616                         continue;
7617                 }
7618
7619                 FD_ZERO(&rd);
7620                 FD_SET(xfd, &rd);
7621                 tv.tv_sec = 1;
7622                 tv.tv_usec = 0;
7623                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7624                         if (errno != EINTR)
7625                                 DNPRINTF(SWM_D_MISC, "select failed");
7626                 if (restart_wm == 1)
7627                         restart(NULL, NULL);
7628                 if (search_resp == 1)
7629                         search_do_resp();
7630                 if (running == 0)
7631                         goto done;
7632                 if (bar_alarm) {
7633                         bar_alarm = 0;
7634                         bar_update();
7635                 }
7636         }
7637 done:
7638         teardown_ewmh();
7639         bar_extra_stop();
7640
7641         for (i = 0; i < ScreenCount(display); ++i)
7642                 if (screens[i].bar_gc != NULL)
7643                         XFreeGC(display, screens[i].bar_gc);
7644
7645         XFreeFontSet(display, bar_fs);
7646         xcb_disconnect(conn);
7647         XCloseDisplay(display);
7648
7649         return (0);
7650 }