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         xcb_window_t            id;
 358         xcb_window_t            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(xcb_window_t);
 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(xcb_window_t);
 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         xcb_window_t            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(xcb_window_t);
 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, num_screens;
 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         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 760         for (i = 0; i < num_screens; i++) {
 761                 /* Get the support check window and destroy it */
 762                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 763                     &n, NULL, &data);
 764
 765                 if (success) {
 766                         id = data[0];
 767                         XDestroyWindow(display, id);
 768                         XDeleteProperty(display, screens[i].root, sup_check);
 769                         XDeleteProperty(display, screens[i].root, sup_list);
 770                 }
 771
 772                 XFree(data);
 773         }
 774 }
 775
 776 void
 777 ewmh_autoquirk(struct ws_win *win)
 778 {
 779         int                     success, i;
 780         unsigned long           *data = NULL, n;
 781         Atom                    type;
 782
 783         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 784             XA_ATOM, &n, NULL, (void *)&data);
 785
 786         if (!success) {
 787                 XFree(data);
 788                 return;
 789         }
 790
 791         for (i = 0; i < n; i++) {
 792                 type = data[i];
 793                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 794                         break;
 795                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 796                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 797                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 798                         win->floating = 1;
 799                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 800                         break;
 801                 }
 802                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 803                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 804                         win->floating = 1;
 805                         win->quirks = SWM_Q_FLOAT;
 806                         break;
 807                 }
 808         }
 809
 810         XFree(data);
 811 }
 812
 813 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 814 #define EWMH_F_FULLSCREEN               (1<<0)
 815 #define EWMH_F_ABOVE                    (1<<1)
 816 #define EWMH_F_HIDDEN                   (1<<2)
 817 #define EWMH_F_SKIP_PAGER               (1<<3)
 818 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 819 #define SWM_F_MANUAL                    (1<<5)
 820
 821 int
 822 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 823 {
 824         if (!win->ws->r)
 825                 return (0);
 826
 827         if (!win->floating)
 828                 return (0);
 829
 830         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 831             "fullscreen %s\n", win->id, YESNO(fs));
 832
 833         if (fs) {
 834                 if (!win->g_floatvalid)
 835                         store_float_geom(win, win->ws->r);
 836
 837                 win->g = win->ws->r->g;
 838                 win->bordered = 0;
 839         } else {
 840                 if (win->g_floatvalid) {
 841                         /* refloat at last floating relative position */
 842                         win->g = win->g_float;
 843                         X(win) += X(win->ws->r);
 844                         Y(win) += Y(win->ws->r);
 845                 }
 846         }
 847
 848         return (1);
 849 }
 850
 851 void
 852 ewmh_update_actions(struct ws_win *win)
 853 {
 854         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 855         int                     n = 0;
 856
 857         if (win == NULL)
 858                 return;
 859
 860         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 861
 862         if (win->floating) {
 863                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 864                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 865         }
 866
 867         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 868                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 869                 actions);
 870 }
 871
 872 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 873 #define _NET_WM_STATE_ADD       1    /* add/set property */
 874 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 875
 876 void
 877 ewmh_update_win_state(struct ws_win *win, long state, long action)
 878 {
 879         unsigned int            mask = 0;
 880         unsigned int            changed = 0;
 881         unsigned int            orig_flags;
 882
 883         if (win == NULL)
 884                 return;
 885
 886         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 887                 mask = EWMH_F_FULLSCREEN;
 888         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 889                 mask = EWMH_F_ABOVE;
 890         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 891                 mask = SWM_F_MANUAL;
 892         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 893                 mask = EWMH_F_SKIP_PAGER;
 894         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 895                 mask = EWMH_F_SKIP_TASKBAR;
 896
 897
 898         orig_flags = win->ewmh_flags;
 899
 900         switch (action) {
 901         case _NET_WM_STATE_REMOVE:
 902                 win->ewmh_flags &= ~mask;
 903                 break;
 904         case _NET_WM_STATE_ADD:
 905                 win->ewmh_flags |= mask;
 906                 break;
 907         case _NET_WM_STATE_TOGGLE:
 908                 win->ewmh_flags ^= mask;
 909                 break;
 910         }
 911
 912         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 913
 914         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 915                 if (changed)
 916                         if (!floating_toggle_win(win))
 917                                 win->ewmh_flags = orig_flags; /* revert */
 918         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 919                 if (changed)
 920                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 921         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 922                 if (changed)
 923                         if (!ewmh_set_win_fullscreen(win,
 924                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 925                                 win->ewmh_flags = orig_flags; /* revert */
 926
 927         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 928
 929         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 930                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 931                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 932                         &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 933         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 934                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 935                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 936                         &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 937         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 938                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 939                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 940                         &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
 941         if (win->ewmh_flags & EWMH_F_ABOVE)
 942                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 943                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 944                         &ewmh[_NET_WM_STATE_ABOVE].atom);
 945         if (win->ewmh_flags & SWM_F_MANUAL)
 946                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 947                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 948                         &ewmh[_SWM_WM_STATE_MANUAL].atom);
 949 }
 950
 951 void
 952 ewmh_get_win_state(struct ws_win *win)
 953 {
 954         int                     success, i;
 955         unsigned long           n;
 956         Atom                    *states;
 957
 958         if (win == NULL)
 959                 return;
 960
 961         win->ewmh_flags = 0;
 962         if (win->floating)
 963                 win->ewmh_flags |= EWMH_F_ABOVE;
 964         if (win->manual)
 965                 win->ewmh_flags |= SWM_F_MANUAL;
 966
 967         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 968             (~0L), XA_ATOM, &n, NULL, (void *)&states);
 969
 970         if (!success)
 971                 return;
 972
 973         for (i = 0; i < n; i++)
 974                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 975
 976         XFree(states);
 977 }
 978
 979 /* events */
 980 #ifdef SWM_DEBUG
 981 char *
 982 geteventname(XEvent *e)
 983 {
 984         char                    *name = NULL;
 985
 986         switch (e->type) {
 987         case KeyPress:
 988                 name = "KeyPress";
 989                 break;
 990         case KeyRelease:
 991                 name = "KeyRelease";
 992                 break;
 993         case ButtonPress:
 994                 name = "ButtonPress";
 995                 break;
 996         case ButtonRelease:
 997                 name = "ButtonRelease";
 998                 break;
 999         case MotionNotify:
1000                 name = "MotionNotify";
1001                 break;
1002         case EnterNotify:
1003                 name = "EnterNotify";
1004                 break;
1005         case LeaveNotify:
1006                 name = "LeaveNotify";
1007                 break;
1008         case FocusIn:
1009                 name = "FocusIn";
1010                 break;
1011         case FocusOut:
1012                 name = "FocusOut";
1013                 break;
1014         case KeymapNotify:
1015                 name = "KeymapNotify";
1016                 break;
1017         case Expose:
1018                 name = "Expose";
1019                 break;
1020         case GraphicsExpose:
1021                 name = "GraphicsExpose";
1022                 break;
1023         case NoExpose:
1024                 name = "NoExpose";
1025                 break;
1026         case VisibilityNotify:
1027                 name = "VisibilityNotify";
1028                 break;
1029         case CreateNotify:
1030                 name = "CreateNotify";
1031                 break;
1032         case DestroyNotify:
1033                 name = "DestroyNotify";
1034                 break;
1035         case UnmapNotify:
1036                 name = "UnmapNotify";
1037                 break;
1038         case MapNotify:
1039                 name = "MapNotify";
1040                 break;
1041         case MapRequest:
1042                 name = "MapRequest";
1043                 break;
1044         case ReparentNotify:
1045                 name = "ReparentNotify";
1046                 break;
1047         case ConfigureNotify:
1048                 name = "ConfigureNotify";
1049                 break;
1050         case ConfigureRequest:
1051                 name = "ConfigureRequest";
1052                 break;
1053         case GravityNotify:
1054                 name = "GravityNotify";
1055                 break;
1056         case ResizeRequest:
1057                 name = "ResizeRequest";
1058                 break;
1059         case CirculateNotify:
1060                 name = "CirculateNotify";
1061                 break;
1062         case CirculateRequest:
1063                 name = "CirculateRequest";
1064                 break;
1065         case PropertyNotify:
1066                 name = "PropertyNotify";
1067                 break;
1068         case SelectionClear:
1069                 name = "SelectionClear";
1070                 break;
1071         case SelectionRequest:
1072                 name = "SelectionRequest";
1073                 break;
1074         case SelectionNotify:
1075                 name = "SelectionNotify";
1076                 break;
1077         case ColormapNotify:
1078                 name = "ColormapNotify";
1079                 break;
1080         case ClientMessage:
1081                 name = "ClientMessage";
1082                 break;
1083         case MappingNotify:
1084                 name = "MappingNotify";
1085                 break;
1086         default:
1087                 name = "Unknown";
1088         }
1089
1090         return (name);
1091 }
1092
1093 char *
1094 xrandr_geteventname(XEvent *e)
1095 {
1096         char                    *name = NULL;
1097
1098         switch(e->type - xrandr_eventbase) {
1099         case RRScreenChangeNotify:
1100                 name = "RRScreenChangeNotify";
1101                 break;
1102         default:
1103                 name = "Unknown";
1104         }
1105
1106         return (name);
1107 }
1108
1109 void
1110 dumpwins(struct swm_region *r, union arg *args)
1111 {
1112         struct ws_win           *win;
1113         unsigned int            state;
1114         XWindowAttributes       wa;
1115
1116         if (r->ws == NULL) {
1117                 warnx("dumpwins: invalid workspace");
1118                 return;
1119         }
1120
1121         warnx("=== managed window list ws %02d ===", r->ws->idx);
1122
1123         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1124                 state = getstate(win->id);
1125                 if (!XGetWindowAttributes(display, win->id, &wa))
1126                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1127                             win->id);
1128                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1129                     "transient: 0x%lx", win->id, wa.map_state, state,
1130                     win->transient);
1131         }
1132
1133         warnx("===== unmanaged window list =====");
1134         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1135                 state = getstate(win->id);
1136                 if (!XGetWindowAttributes(display, win->id, &wa))
1137                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1138                             win->id);
1139                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1140                     "transient: 0x%lx", win->id, wa.map_state, state,
1141                     win->transient);
1142         }
1143
1144         warnx("=================================");
1145 }
1146 #else
1147 void
1148 dumpwins(struct swm_region *r, union arg *args)
1149 {
1150 }
1151 #endif /* SWM_DEBUG */
1152
1153 void                    expose(XEvent *);
1154 void                    keypress(XEvent *);
1155 void                    buttonpress(XEvent *);
1156 void                    configurerequest(XEvent *);
1157 void                    configurenotify(XEvent *);
1158 void                    destroynotify(XEvent *);
1159 void                    enternotify(XEvent *);
1160 void                    focusevent(XEvent *);
1161 void                    mapnotify(XEvent *);
1162 void                    mappingnotify(XEvent *);
1163 void                    maprequest(XEvent *);
1164 void                    propertynotify(XEvent *);
1165 void                    unmapnotify(XEvent *);
1166 void                    visibilitynotify(XEvent *);
1167 void                    clientmessage(XEvent *);
1168
1169 void                    (*handler[LASTEvent])(XEvent *) = {
1170                                 [Expose] = expose,
1171                                 [KeyPress] = keypress,
1172                                 [ButtonPress] = buttonpress,
1173                                 [ConfigureRequest] = configurerequest,
1174                                 [ConfigureNotify] = configurenotify,
1175                                 [DestroyNotify] = destroynotify,
1176                                 [EnterNotify] = enternotify,
1177                                 [FocusIn] = focusevent,
1178                                 [FocusOut] = focusevent,
1179                                 [MapNotify] = mapnotify,
1180                                 [MappingNotify] = mappingnotify,
1181                                 [MapRequest] = maprequest,
1182                                 [PropertyNotify] = propertynotify,
1183                                 [UnmapNotify] = unmapnotify,
1184                                 [VisibilityNotify] = visibilitynotify,
1185                                 [ClientMessage] = clientmessage,
1186 };
1187
1188 void
1189 sighdlr(int sig)
1190 {
1191         int                     saved_errno, status;
1192         pid_t                   pid;
1193
1194         saved_errno = errno;
1195
1196         switch (sig) {
1197         case SIGCHLD:
1198                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1199                         if (pid == -1) {
1200                                 if (errno == EINTR)
1201                                         continue;
1202 #ifdef SWM_DEBUG
1203                                 if (errno != ECHILD)
1204                                         warn("sighdlr: waitpid");
1205 #endif /* SWM_DEBUG */
1206                                 break;
1207                         }
1208                         if (pid == searchpid)
1209                                 search_resp = 1;
1210
1211 #ifdef SWM_DEBUG
1212                         if (WIFEXITED(status)) {
1213                                 if (WEXITSTATUS(status) != 0)
1214                                         warnx("sighdlr: child exit status: %d",
1215                                             WEXITSTATUS(status));
1216                         } else
1217                                 warnx("sighdlr: child is terminated "
1218                                     "abnormally");
1219 #endif /* SWM_DEBUG */
1220                 }
1221                 break;
1222
1223         case SIGHUP:
1224                 restart_wm = 1;
1225                 break;
1226         case SIGINT:
1227         case SIGTERM:
1228         case SIGQUIT:
1229                 running = 0;
1230                 break;
1231         }
1232
1233         errno = saved_errno;
1234 }
1235
1236 struct pid_e *
1237 find_pid(long pid)
1238 {
1239         struct pid_e            *p = NULL;
1240
1241         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1242
1243         if (pid == 0)
1244                 return (NULL);
1245
1246         TAILQ_FOREACH(p, &pidlist, entry) {
1247                 if (p->pid == pid)
1248                         return (p);
1249         }
1250
1251         return (NULL);
1252 }
1253
1254 uint32_t
1255 name_to_color(const char *colorname)
1256 {
1257         uint32_t                        result = 0;
1258         char                            cname[32] = "#";
1259         xcb_screen_t                    *screen;
1260         xcb_colormap_t                  cmap;
1261         xcb_alloc_named_color_cookie_t  c;
1262         xcb_alloc_named_color_reply_t   *r;
1263
1264         /* XXX - does not support rgb:/RR/GG/BB
1265          *       will need to use xcb_alloc_color
1266          */
1267         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1268         cmap = screen->default_colormap;
1269
1270         c = xcb_alloc_named_color(conn, cmap, strlen(colorname), colorname);
1271         r = xcb_alloc_named_color_reply(conn, c, NULL);
1272         if (!r) {
1273                 strlcat(cname, colorname + 2, sizeof cname - 1);
1274                 c = xcb_alloc_named_color(conn, cmap, strlen(cname),
1275                         cname);
1276                 r = xcb_alloc_named_color_reply(conn, c, NULL);
1277         }
1278         if (r) {
1279                 result = r->pixel;
1280                 free(r);
1281         } else
1282                 warnx("color '%s' not found", colorname);
1283
1284         return (result);
1285 }
1286
1287 void
1288 setscreencolor(char *val, int i, int c)
1289 {
1290         int     num_screens;
1291
1292         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1293         if (i > 0 && i <= num_screens) {
1294                 screens[i - 1].c[c].color = name_to_color(val);
1295                 free(screens[i - 1].c[c].name);
1296                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1297                         err(1, "strdup");
1298         } else if (i == -1) {
1299                 for (i = 0; i < num_screens; i++) {
1300                         screens[i].c[c].color = name_to_color(val);
1301                         free(screens[i].c[c].name);
1302                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1303                                 err(1, "strdup");
1304                 }
1305         } else
1306                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1307                     i, num_screens);
1308 }
1309
1310 void
1311 fancy_stacker(struct workspace *ws)
1312 {
1313         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1314         if (ws->cur_layout->l_stack == vertical_stack)
1315                 snprintf(ws->stacker, sizeof ws->stacker,
1316                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1317                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1318         if (ws->cur_layout->l_stack == horizontal_stack)
1319                 snprintf(ws->stacker, sizeof ws->stacker,
1320                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1321                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1322 }
1323
1324 void
1325 plain_stacker(struct workspace *ws)
1326 {
1327         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1328         if (ws->cur_layout->l_stack == vertical_stack)
1329                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1330                     sizeof ws->stacker);
1331         if (ws->cur_layout->l_stack == horizontal_stack)
1332                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1333                     sizeof ws->stacker);
1334 }
1335
1336 void
1337 custom_region(char *val)
1338 {
1339         unsigned int                    sidx, x, y, w, h;
1340         int                             num_screens;
1341
1342         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1343         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1344                 errx(1, "invalid custom region, "
1345                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1346         if (sidx < 1 || sidx > num_screens)
1347                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1348                     sidx, num_screens);
1349         sidx--;
1350
1351         if (w < 1 || h < 1)
1352                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1353
1354         if (x > DisplayWidth(display, sidx) ||
1355             y > DisplayHeight(display, sidx) ||
1356             w + x > DisplayWidth(display, sidx) ||
1357             h + y > DisplayHeight(display, sidx)) {
1358                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1359                     "boundaries (%ux%u)", w, h, x, y,
1360                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1361                 return;
1362         }
1363
1364         new_region(&screens[sidx], x, y, w, h);
1365 }
1366
1367 void
1368 socket_setnonblock(int fd)
1369 {
1370         int                     flags;
1371
1372         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1373                 err(1, "fcntl F_GETFL");
1374         flags |= O_NONBLOCK;
1375         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1376                 err(1, "fcntl F_SETFL");
1377 }
1378
1379 void
1380 bar_print(struct swm_region *r, const char *s)
1381 {
1382         int                     x = 0;
1383         size_t                  len;
1384         XRectangle              ibox, lbox;
1385
1386         len = strlen(s);
1387         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1388
1389         switch (bar_justify) {
1390         case SWM_BAR_JUSTIFY_LEFT:
1391                 x = SWM_BAR_OFFSET;
1392                 break;
1393         case SWM_BAR_JUSTIFY_CENTER:
1394                 x = (WIDTH(r) - lbox.width) / 2;
1395                 break;
1396         case SWM_BAR_JUSTIFY_RIGHT:
1397                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1398                 break;
1399         }
1400
1401         if (x < SWM_BAR_OFFSET)
1402                 x = SWM_BAR_OFFSET;
1403
1404         /* clear back buffer */
1405         XSetForeground(display, r->s->bar_gc, r->s->c[SWM_S_COLOR_BAR].color);
1406         XFillRectangle(display, r->bar->buffer, r->s->bar_gc, 0, 0,
1407             WIDTH(r->bar), HEIGHT(r->bar));
1408
1409         /* draw back buffer */
1410         XSetForeground(display, r->s->bar_gc,
1411             r->s->c[SWM_S_COLOR_BAR_FONT].color);
1412         DRAWSTRING(display, r->bar->buffer, bar_fs, r->s->bar_gc,
1413             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1414             lbox.y, s, len);
1415
1416         /* blt */
1417         XCopyArea(display, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1418             WIDTH(r->bar), HEIGHT(r->bar), 0, 0);
1419 }
1420
1421 void
1422 bar_extra_stop(void)
1423 {
1424         if (bar_pipe[0]) {
1425                 close(bar_pipe[0]);
1426                 bzero(bar_pipe, sizeof bar_pipe);
1427         }
1428         if (bar_pid) {
1429                 kill(bar_pid, SIGTERM);
1430                 bar_pid = 0;
1431         }
1432         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1433         bar_extra = 0;
1434 }
1435
1436 void
1437 bar_class_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_class != NULL)
1442                 strlcat(s, r->ws->focus->ch.res_class, sz);
1443 }
1444
1445 void
1446 bar_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         if (r->ws->focus->ch.res_name != NULL)
1451                 strlcat(s, r->ws->focus->ch.res_name, sz);
1452 }
1453
1454 void
1455 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1456 {
1457         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1458                 return;
1459
1460         bar_class_name(s, sz, r);
1461         strlcat(s, ":", sz);
1462         bar_title_name(s, sz, r);
1463 }
1464
1465 void
1466 bar_window_float(char *s, size_t sz, struct swm_region *r)
1467 {
1468         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1469                 return;
1470         if (r->ws->focus->floating)
1471                 strlcat(s, "(f)", sz);
1472 }
1473
1474 void
1475 bar_window_name(char *s, size_t sz, struct swm_region *r)
1476 {
1477         unsigned char           *title;
1478
1479         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1480                 return;
1481         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1482                 return;
1483
1484         strlcat(s, (char *)title, sz);
1485         XFree(title);
1486 }
1487
1488 int             urgent[SWM_WS_MAX];
1489 void
1490 bar_urgent(char *s, size_t sz)
1491 {
1492         XWMHints                *wmh = NULL;
1493         struct ws_win           *win;
1494         int                     i, j, num_screens;
1495         char                    b[8];
1496
1497         for (i = 0; i < workspace_limit; i++)
1498                 urgent[i] = 0;
1499
1500         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1501         for (i = 0; i < num_screens; i++)
1502                 for (j = 0; j < workspace_limit; j++)
1503                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1504                                 wmh = XGetWMHints(display, win->id);
1505                                 if (wmh == NULL)
1506                                         continue;
1507
1508                                 if (wmh->flags & XUrgencyHint)
1509                                         urgent[j] = 1;
1510                                 XFree(wmh);
1511                         }
1512
1513         for (i = 0; i < workspace_limit; i++) {
1514                 if (urgent[i])
1515                         snprintf(b, sizeof b, "%d ", i + 1);
1516                 else
1517                         snprintf(b, sizeof b, "- ");
1518                 strlcat(s, b, sz);
1519         }
1520 }
1521
1522 void
1523 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1524 {
1525         if (r == NULL || r->ws == NULL)
1526                 return;
1527         if (r->ws->name != NULL)
1528                 strlcat(s, r->ws->name, sz);
1529 }
1530
1531 /* build the default bar format according to the defined enabled options */
1532 void
1533 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1534 {
1535         /* if format provided, just copy the buffers */
1536         if (bar_format != NULL) {
1537                 strlcpy(fmtnew, fmtexp, sz);
1538                 return;
1539         }
1540
1541         /* reset the output buffer */
1542         *fmtnew = '\0';
1543
1544         strlcat(fmtnew, "+N:+I ", sz);
1545         if (stack_enabled)
1546                 strlcat(fmtnew, "+S", sz);
1547         strlcat(fmtnew, " ", sz);
1548
1549         /* only show the workspace name if there's actually one */
1550         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1551                 strlcat(fmtnew, "<+D>", sz);
1552         strlcat(fmtnew, "+3<", sz);
1553
1554         if (clock_enabled) {
1555                 strlcat(fmtnew, fmtexp, sz);
1556                 strlcat(fmtnew, "+4<", sz);
1557         }
1558
1559         /* bar_urgent already adds the space before the last asterisk */
1560         if (urgent_enabled)
1561                 strlcat(fmtnew, "* +U*+4<", sz);
1562
1563         if (title_class_enabled) {
1564                 strlcat(fmtnew, "+C", sz);
1565                 if (title_name_enabled == 0)
1566                         strlcat(fmtnew, "+4<", sz);
1567         }
1568
1569         /* checks needed by the colon and floating strlcat(3) calls below */
1570         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1571                 if (title_name_enabled) {
1572                         if (title_class_enabled)
1573                                 strlcat(fmtnew, ":", sz);
1574                         strlcat(fmtnew, "+T+4<", sz);
1575                 }
1576                 if (window_name_enabled) {
1577                         if (r->ws->focus->floating)
1578                                 strlcat(fmtnew, "+F ", sz);
1579                         strlcat(fmtnew, "+64W ", sz);
1580                 }
1581         }
1582
1583         /* finally add the action script output and the version */
1584         strlcat(fmtnew, "+4<+A+4<+V", sz);
1585 }
1586
1587 void
1588 bar_replace_pad(char *tmp, int *limit, size_t sz)
1589 {
1590         /* special case; no limit given, pad one space, instead */
1591         if (*limit == sz - 1)
1592                 *limit = 1;
1593         snprintf(tmp, sz, "%*s", *limit, " ");
1594 }
1595
1596 /* replaces the bar format character sequences (like in tmux(1)) */
1597 char *
1598 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1599     size_t sz)
1600 {
1601         char                    *ptr;
1602         char                    tmp[SWM_BAR_MAX];
1603         int                     limit, size;
1604         size_t                  len;
1605
1606         /* reset strlcat(3) buffer */
1607         *tmp = '\0';
1608
1609         /* get number, if any */
1610         fmt++;
1611         size = 0;
1612         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1613                 limit = sizeof tmp - 1;
1614         if (limit <= 0 || limit >= sizeof tmp)
1615                 limit = sizeof tmp - 1;
1616
1617         /* there is nothing to replace (ie EOL) */
1618         fmt += size;
1619         if (*fmt == '\0')
1620                 return (fmt);
1621
1622         switch (*fmt) {
1623         case '<':
1624                 bar_replace_pad(tmp, &limit, sizeof tmp);
1625                 break;
1626         case 'A':
1627                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1628                 break;
1629         case 'C':
1630                 bar_class_name(tmp, sizeof tmp, r);
1631                 break;
1632         case 'D':
1633                 bar_workspace_name(tmp, sizeof tmp, r);
1634                 break;
1635         case 'F':
1636                 bar_window_float(tmp, sizeof tmp, r);
1637                 break;
1638         case 'I':
1639                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1640                 break;
1641         case 'N':
1642                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1643                 break;
1644         case 'P':
1645                 bar_class_title_name(tmp, sizeof tmp, r);
1646                 break;
1647         case 'S':
1648                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1649                 break;
1650         case 'T':
1651                 bar_title_name(tmp, sizeof tmp, r);
1652                 break;
1653         case 'U':
1654                 bar_urgent(tmp, sizeof tmp);
1655                 break;
1656         case 'V':
1657                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1658                 break;
1659         case 'W':
1660                 bar_window_name(tmp, sizeof tmp, r);
1661                 break;
1662         default:
1663                 /* unknown character sequence; copy as-is */
1664                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1665                 break;
1666         }
1667
1668         len = strlen(tmp);
1669         ptr = tmp;
1670         if (len < limit)
1671                 limit = len;
1672         while (limit-- > 0) {
1673                 if (*offrep >= sz - 1)
1674                         break;
1675                 fmtrep[(*offrep)++] = *ptr++;
1676         }
1677
1678         fmt++;
1679         return (fmt);
1680 }
1681
1682 void
1683 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1684 {
1685         size_t                  off;
1686
1687         off = 0;
1688         while (*fmt != '\0') {
1689                 if (*fmt != '+') {
1690                         /* skip ordinary characters */
1691                         if (off >= sz - 1)
1692                                 break;
1693                         fmtrep[off++] = *fmt++;
1694                         continue;
1695                 }
1696
1697                 /* character sequence found; replace it */
1698                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1699                 if (off >= sz - 1)
1700                         break;
1701         }
1702
1703         fmtrep[off] = '\0';
1704 }
1705
1706 void
1707 bar_fmt_expand(char *fmtexp, size_t sz)
1708 {
1709         char                    *fmt = NULL;
1710         size_t                  len;
1711         struct tm               tm;
1712         time_t                  tmt;
1713
1714         /* start by grabbing the current time and date */
1715         time(&tmt);
1716         localtime_r(&tmt, &tm);
1717
1718         /* figure out what to expand */
1719         if (bar_format != NULL)
1720                 fmt = bar_format;
1721         else if (bar_format == NULL && clock_enabled)
1722                 fmt = clock_format;
1723         /* if nothing to expand bail out */
1724         if (fmt == NULL) {
1725                 *fmtexp = '\0';
1726                 return;
1727         }
1728
1729         /* copy as-is, just in case the format shouldn't be expanded below */
1730         strlcpy(fmtexp, fmt, sz);
1731         /* finally pass the string through strftime(3) */
1732 #ifndef SWM_DENY_CLOCK_FORMAT
1733         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1734                 warnx("format too long");
1735         fmtexp[len] = '\0';
1736 #endif
1737 }
1738
1739 void
1740 bar_fmt_print(void)
1741 {
1742         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1743         char                    fmtrep[SWM_BAR_MAX];
1744         int                     i, num_screens;
1745         struct swm_region       *r;
1746
1747         /* expand the format by first passing it through strftime(3) */
1748         bar_fmt_expand(fmtexp, sizeof fmtexp);
1749
1750         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1751         for (i = 0; i < num_screens; i++) {
1752                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1753                         if (r->bar == NULL)
1754                                 continue;
1755                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1756                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1757                         bar_print(r, fmtrep);
1758                 }
1759         }
1760 }
1761
1762 void
1763 bar_update(void)
1764 {
1765         size_t                  len;
1766         char                    *b;
1767
1768         if (bar_enabled == 0)
1769                 return;
1770         if (bar_extra && bar_extra_running) {
1771                 /* ignore short reads; it'll correct itself */
1772                 while ((b = fgetln(stdin, &len)) != NULL)
1773                         if (b && b[len - 1] == '\n') {
1774                                 b[len - 1] = '\0';
1775                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1776                         }
1777                 if (b == NULL && errno != EAGAIN) {
1778                         warn("bar_update: bar_extra failed");
1779                         bar_extra_stop();
1780                 }
1781         } else
1782                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1783
1784         bar_fmt_print();
1785         alarm(bar_delay);
1786 }
1787
1788 void
1789 bar_signal(int sig)
1790 {
1791         bar_alarm = 1;
1792 }
1793
1794 void
1795 bar_toggle(struct swm_region *r, union arg *args)
1796 {
1797         struct swm_region       *tmpr;
1798         int                     i, num_screens;
1799
1800         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1801
1802         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1803         if (bar_enabled) {
1804                 for (i = 0; i < num_screens; i++)
1805                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1806                                 if (tmpr->bar)
1807                                         XUnmapWindow(display, tmpr->bar->id);
1808         } else {
1809                 for (i = 0; i < num_screens; i++)
1810                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1811                                 if (tmpr->bar)
1812                                         XMapRaised(display, tmpr->bar->id);
1813         }
1814
1815         bar_enabled = !bar_enabled;
1816
1817         stack();
1818         /* must be after stack */
1819         bar_update();
1820 }
1821
1822 void
1823 bar_refresh(void)
1824 {
1825         XSetWindowAttributes    wa;
1826         struct swm_region       *r;
1827         int                     i, num_screens;
1828
1829         /* do this here because the conf file is in memory */
1830         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1831                 /* launch external status app */
1832                 bar_extra_running = 1;
1833                 if (pipe(bar_pipe) == -1)
1834                         err(1, "pipe error");
1835                 socket_setnonblock(bar_pipe[0]);
1836                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1837                 if (dup2(bar_pipe[0], 0) == -1)
1838                         err(1, "dup2");
1839                 if (dup2(bar_pipe[1], 1) == -1)
1840                         err(1, "dup2");
1841                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1842                         err(1, "could not disable SIGPIPE");
1843                 switch (bar_pid = fork()) {
1844                 case -1:
1845                         err(1, "cannot fork");
1846                         break;
1847                 case 0: /* child */
1848                         close(bar_pipe[0]);
1849                         execvp(bar_argv[0], bar_argv);
1850                         err(1, "%s external app failed", bar_argv[0]);
1851                         break;
1852                 default: /* parent */
1853                         close(bar_pipe[1]);
1854                         break;
1855                 }
1856         }
1857
1858         bzero(&wa, sizeof wa);
1859         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1860         for (i = 0; i < num_screens; i++)
1861                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1862                         if (r->bar == NULL)
1863                                 continue;
1864                         wa.border_pixel =
1865                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1866                         wa.background_pixel =
1867                             screens[i].c[SWM_S_COLOR_BAR].color;
1868                         XChangeWindowAttributes(display, r->bar->id,
1869                             CWBackPixel | CWBorderPixel, &wa);
1870                 }
1871         bar_update();
1872 }
1873
1874 void
1875 bar_setup(struct swm_region *r)
1876 {
1877         char                    *default_string;
1878         char                    **missing_charsets;
1879         int                     num_missing_charsets = 0;
1880         int                     i;
1881
1882         if (bar_fs) {
1883                 XFreeFontSet(display, bar_fs);
1884                 bar_fs = NULL;
1885         }
1886
1887         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1888                 err(1, "bar_setup: calloc: failed to allocate memory.");
1889
1890         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1891
1892         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1893             &num_missing_charsets, &default_string);
1894
1895         if (num_missing_charsets > 0) {
1896                 warnx("Unable to load charset(s):");
1897
1898                 for (i = 0; i < num_missing_charsets; ++i)
1899                         warnx("%s", missing_charsets[i]);
1900
1901                 XFreeStringList(missing_charsets);
1902
1903                 if (strcmp(default_string, ""))
1904                         warnx("Glyphs from those sets will be replaced "
1905                             "by '%s'.", default_string);
1906                 else
1907                         warnx("Glyphs from those sets won't be drawn.");
1908         }
1909
1910         if (bar_fs == NULL)
1911                 errx(1, "Error creating font set structure.");
1912
1913         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1914
1915         bar_height = bar_fs_extents->max_logical_extent.height +
1916             2 * bar_border_width;
1917
1918         if (bar_height < 1)
1919                 bar_height = 1;
1920
1921         X(r->bar) = X(r);
1922         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1923         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1924         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1925
1926         r->bar->id = XCreateSimpleWindow(display,
1927             r->s->root, X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1928             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1929             r->s->c[SWM_S_COLOR_BAR].color);
1930
1931         r->bar->buffer = XCreatePixmap(display, r->bar->id, WIDTH(r->bar),
1932             HEIGHT(r->bar), DefaultDepth(display, r->s->idx));
1933
1934         XSelectInput(display, r->bar->id, VisibilityChangeMask);
1935
1936         if (bar_enabled)
1937                 XMapRaised(display, r->bar->id);
1938
1939         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%lx, (x,y) w x h: (%d,%d) "
1940             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1941             HEIGHT(r->bar));
1942
1943         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1944                 err(1, "could not install bar_signal");
1945         bar_refresh();
1946 }
1947
1948 void
1949 bar_cleanup(struct swm_region *r)
1950 {
1951         if (r->bar == NULL)
1952                 return;
1953         xcb_destroy_window(conn, r->bar->id);
1954         xcb_free_pixmap(conn, r->bar->buffer);
1955         free(r->bar);
1956         r->bar = NULL;
1957 }
1958
1959 void
1960 drain_enter_notify(void)
1961 {
1962         int                     i = 0;
1963         XEvent                  cne;
1964
1965         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1966                 i++;
1967
1968         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
1969 }
1970
1971 void
1972 set_win_state(struct ws_win *win, long state)
1973 {
1974         long                    data[] = {state, None};
1975
1976         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%lx\n", win->id);
1977
1978         if (win == NULL)
1979                 return;
1980
1981         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1982             (unsigned char *)data, 2);
1983 }
1984
1985 long
1986 getstate(xcb_window_t w)
1987 {
1988         long                    result = -1;
1989         unsigned char           *p = NULL;
1990         unsigned long           n;
1991
1992         if (!get_property(w, astate, 2L, astate, &n, NULL, &p))
1993                 return (-1);
1994         if (n != 0)
1995                 result = *((long *)p);
1996         XFree(p);
1997         return (result);
1998 }
1999
2000 void
2001 version(struct swm_region *r, union arg *args)
2002 {
2003         bar_version = !bar_version;
2004         if (bar_version)
2005                 snprintf(bar_vertext, sizeof bar_vertext,
2006                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2007         else
2008                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2009         bar_update();
2010 }
2011
2012 void
2013 client_msg(struct ws_win *win, Atom a)
2014 {
2015         XClientMessageEvent     cm;
2016
2017         if (win == NULL)
2018                 return;
2019
2020         bzero(&cm, sizeof cm);
2021         cm.type = ClientMessage;
2022         cm.window = win->id;
2023         cm.message_type = aprot;
2024         cm.format = 32;
2025         cm.data.l[0] = a;
2026         cm.data.l[1] = CurrentTime;
2027         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
2028 }
2029
2030 /* synthetic response to a ConfigureRequest when not making a change */
2031 void
2032 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
2033 {
2034         XConfigureEvent         ce;
2035
2036         if (win == NULL)
2037                 return;
2038
2039         /* send notification of unchanged state. */
2040         ce.type = ConfigureNotify;
2041         ce.x = X(win);
2042         ce.y = Y(win);
2043         ce.width = WIDTH(win);
2044         ce.height = HEIGHT(win);
2045         ce.override_redirect = False;
2046
2047         if (ev == NULL) {
2048                 /* EWMH */
2049                 ce.display = display;
2050                 ce.event = win->id;
2051                 ce.window = win->id;
2052                 ce.border_width = BORDER(win);
2053                 ce.above = None;
2054         } else {
2055                 /* normal */
2056                 ce.display = ev->display;
2057                 ce.event = ev->window;
2058                 ce.window = ev->window;
2059
2060                 /* make response appear more WM_SIZE_HINTS-compliant */
2061                 if (win->sh_mask)
2062                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%lx,"
2063                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
2064                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
2065                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2066                             SH_INC_W(win), SH_INC_H(win));
2067
2068                 /* min size */
2069                 if (SH_MIN(win)) {
2070                         /* the hint may be set... to 0! */
2071                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2072                                 ce.width = SH_MIN_W(win);
2073                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2074                                 ce.height = SH_MIN_H(win);
2075                 }
2076
2077                 /* max size */
2078                 if (SH_MAX(win)) {
2079                         /* may also be advertized as 0 */
2080                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2081                                 ce.width = SH_MAX_W(win);
2082                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2083                                 ce.height = SH_MAX_H(win);
2084                 }
2085
2086                 /* resize increment. */
2087                 if (SH_INC(win)) {
2088                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2089                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2090                                     SH_INC_W(win);
2091                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2092                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2093                                     SH_INC_H(win);
2094                 }
2095
2096                 /* adjust x and y for requested border_width. */
2097                 ce.x += BORDER(win) - ev->border_width;
2098                 ce.y += BORDER(win) - ev->border_width;
2099                 ce.border_width = ev->border_width;
2100                 ce.above = ev->above;
2101         }
2102
2103         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
2104             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2105             ce.y, ce.width, ce.height, ce.border_width);
2106
2107         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
2108 }
2109
2110 int
2111 count_win(struct workspace *ws, int count_transient)
2112 {
2113         struct ws_win           *win;
2114         int                     count = 0;
2115
2116         TAILQ_FOREACH(win, &ws->winlist, entry) {
2117                 if (count_transient == 0 && win->floating)
2118                         continue;
2119                 if (count_transient == 0 && win->transient)
2120                         continue;
2121                 if (win->iconic)
2122                         continue;
2123                 count++;
2124         }
2125         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2126
2127         return (count);
2128 }
2129
2130 void
2131 quit(struct swm_region *r, union arg *args)
2132 {
2133         DNPRINTF(SWM_D_MISC, "quit\n");
2134         running = 0;
2135 }
2136
2137 void
2138 unmap_window(struct ws_win *win)
2139 {
2140         if (win == NULL)
2141                 return;
2142
2143         /* don't unmap again */
2144         if (getstate(win->id) == IconicState)
2145                 return;
2146
2147         set_win_state(win, IconicState);
2148
2149         XUnmapWindow(display, win->id);
2150         XSetWindowBorder(display, win->id,
2151             win->s->c[SWM_S_COLOR_UNFOCUS].color);
2152 }
2153
2154 void
2155 unmap_all(void)
2156 {
2157         struct ws_win           *win;
2158         int                     i, j, num_screens;
2159
2160         for (i = 0; i < num_screens; i++)
2161                 for (j = 0; j < workspace_limit; j++)
2162                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2163                                 unmap_window(win);
2164 }
2165
2166 void
2167 fake_keypress(struct ws_win *win, int keysym, int modifiers)
2168 {
2169         XKeyEvent event;
2170
2171         if (win == NULL)
2172                 return;
2173
2174         event.display = display;        /* Ignored, but what the hell */
2175         event.window = win->id;
2176         event.root = win->s->root;
2177         event.subwindow = None;
2178         event.time = CurrentTime;
2179         event.x = X(win);
2180         event.y = Y(win);
2181         event.x_root = 1;
2182         event.y_root = 1;
2183         event.same_screen = True;
2184         event.keycode = XKeysymToKeycode(display, keysym);
2185         event.state = modifiers;
2186
2187         event.type = KeyPress;
2188         XSendEvent(event.display, event.window, True,
2189             KeyPressMask, (XEvent *)&event);
2190
2191         event.type = KeyRelease;
2192         XSendEvent(event.display, event.window, True,
2193             KeyPressMask, (XEvent *)&event);
2194
2195 }
2196
2197 void
2198 restart(struct swm_region *r, union arg *args)
2199 {
2200         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2201
2202         /* disable alarm because the following code may not be interrupted */
2203         alarm(0);
2204         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2205                 err(1, "can't disable alarm");
2206
2207         bar_extra_stop();
2208         bar_extra = 1;
2209         unmap_all();
2210         xcb_disconnect(conn);
2211         XCloseDisplay(display);
2212         execvp(start_argv[0], start_argv);
2213         warn("execvp failed");
2214         quit(NULL, NULL);
2215 }
2216
2217 struct swm_region *
2218 root_to_region(Window root)
2219 {
2220         struct swm_region       *r = NULL;
2221         Window                  rr, cr;
2222         int                     i, x, y, wx, wy, num_screens;
2223         unsigned int            mask;
2224
2225         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%lx\n", root);
2226
2227         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2228         for (i = 0; i < num_screens; i++)
2229                 if (screens[i].root == root)
2230                         break;
2231
2232         if (XQueryPointer(display, screens[i].root,
2233             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
2234                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2235                     x, y);
2236                 /* choose a region based on pointer location */
2237                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2238                         if (X(r) <= x && x < MAX_X(r) &&
2239                             Y(r) <= y && y < MAX_Y(r))
2240                                 break;
2241         }
2242
2243         if (r == NULL)
2244                 r = TAILQ_FIRST(&screens[i].rl);
2245
2246         return (r);
2247 }
2248
2249 struct ws_win *
2250 find_unmanaged_window(Window id)
2251 {
2252         struct ws_win           *win;
2253         int                     i, j, num_screens;
2254
2255         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2256         for (i = 0; i < num_screens; i++)
2257                 for (j = 0; j < workspace_limit; j++)
2258                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2259                             entry)
2260                                 if (id == win->id)
2261                                         return (win);
2262         return (NULL);
2263 }
2264
2265 struct ws_win *
2266 find_window(xcb_window_t id)
2267 {
2268         struct ws_win           *win;
2269         Window                  wrr, wpr, *wcr = NULL;
2270         int                     i, j, num_screens;
2271         unsigned int            nc;
2272
2273         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2274         for (i = 0; i < num_screens; i++)
2275                 for (j = 0; j < workspace_limit; j++)
2276                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2277                                 if (id == win->id)
2278                                         return (win);
2279
2280         /* if we were looking for the parent return that window instead */
2281         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
2282                 return (NULL);
2283         if (wcr)
2284                 XFree(wcr);
2285
2286         /* ignore not found and root */
2287         if (wpr == 0 || wrr == wpr)
2288                 return (NULL);
2289
2290         /* look for parent */
2291         for (i = 0; i < num_screens; i++)
2292                 for (j = 0; j < workspace_limit; j++)
2293                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2294                                 if (wpr == win->id)
2295                                         return (win);
2296
2297         return (NULL);
2298 }
2299
2300 void
2301 spawn(int ws_idx, union arg *args, int close_fd)
2302 {
2303         int                     fd;
2304         char                    *ret = NULL;
2305
2306         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2307
2308         if (display)
2309                 close(ConnectionNumber(display));
2310
2311         setenv("LD_PRELOAD", SWM_LIB, 1);
2312
2313         if (asprintf(&ret, "%d", ws_idx) == -1) {
2314                 warn("spawn: asprintf SWM_WS");
2315                 _exit(1);
2316         }
2317         setenv("_SWM_WS", ret, 1);
2318         free(ret);
2319         ret = NULL;
2320
2321         if (asprintf(&ret, "%d", getpid()) == -1) {
2322                 warn("spawn: asprintf _SWM_PID");
2323                 _exit(1);
2324         }
2325         setenv("_SWM_PID", ret, 1);
2326         free(ret);
2327         ret = NULL;
2328
2329         if (setsid() == -1) {
2330                 warn("spawn: setsid");
2331                 _exit(1);
2332         }
2333
2334         if (close_fd) {
2335                 /*
2336                  * close stdin and stdout to prevent interaction between apps
2337                  * and the baraction script
2338                  * leave stderr open to record errors
2339                 */
2340                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2341                         warn("spawn: open");
2342                         _exit(1);
2343                 }
2344                 dup2(fd, STDIN_FILENO);
2345                 dup2(fd, STDOUT_FILENO);
2346                 if (fd > 2)
2347                         close(fd);
2348         }
2349
2350         execvp(args->argv[0], args->argv);
2351
2352         warn("spawn: execvp");
2353         _exit(1);
2354 }
2355
2356 void
2357 kill_refs(struct ws_win *win)
2358 {
2359         int                     i, x, num_screens;
2360         struct swm_region       *r;
2361         struct workspace        *ws;
2362
2363         if (win == NULL)
2364                 return;
2365
2366         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2367         for (i = 0; i < num_screens; i++)
2368                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2369                         for (x = 0; x < workspace_limit; x++) {
2370                                 ws = &r->s->ws[x];
2371                                 if (win == ws->focus)
2372                                         ws->focus = NULL;
2373                                 if (win == ws->focus_prev)
2374                                         ws->focus_prev = NULL;
2375                         }
2376 }
2377
2378 int
2379 validate_win(struct ws_win *testwin)
2380 {
2381         struct ws_win           *win;
2382         struct workspace        *ws;
2383         struct swm_region       *r;
2384         int                     i, x, num_screens;
2385
2386         if (testwin == NULL)
2387                 return (0);
2388
2389         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2390         for (i = 0; i < num_screens; i++)
2391                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2392                         for (x = 0; x < workspace_limit; x++) {
2393                                 ws = &r->s->ws[x];
2394                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2395                                         if (win == testwin)
2396                                                 return (0);
2397                         }
2398         return (1);
2399 }
2400
2401 int
2402 validate_ws(struct workspace *testws)
2403 {
2404         struct swm_region       *r;
2405         struct workspace        *ws;
2406         int                     i, x, num_screens;
2407
2408         /* validate all ws */
2409         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2410         for (i = 0; i < num_screens; i++)
2411                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2412                         for (x = 0; x < workspace_limit; x++) {
2413                                 ws = &r->s->ws[x];
2414                                 if (ws == testws)
2415                                         return (0);
2416                         }
2417         return (1);
2418 }
2419
2420 void
2421 unfocus_win(struct ws_win *win)
2422 {
2423         XEvent                  cne;
2424         xcb_window_t            none = XCB_WINDOW_NONE;
2425
2426         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2427
2428         if (win == NULL)
2429                 return;
2430         if (win->ws == NULL)
2431                 return;
2432
2433         if (validate_ws(win->ws))
2434                 return; /* XXX this gets hit with thunderbird, needs fixing */
2435
2436         if (win->ws->r == NULL)
2437                 return;
2438
2439         if (validate_win(win)) {
2440                 kill_refs(win);
2441                 return;
2442         }
2443
2444         if (win->ws->focus == win) {
2445                 win->ws->focus = NULL;
2446                 win->ws->focus_prev = win;
2447         }
2448
2449         if (validate_win(win->ws->focus)) {
2450                 kill_refs(win->ws->focus);
2451                 win->ws->focus = NULL;
2452         }
2453         if (validate_win(win->ws->focus_prev)) {
2454                 kill_refs(win->ws->focus_prev);
2455                 win->ws->focus_prev = NULL;
2456         }
2457
2458         /* drain all previous unfocus events */
2459         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2460                 ;
2461
2462         grabbuttons(win, 0);
2463         XSetWindowBorder(display, win->id,
2464             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2465
2466         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2467                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2468                 &none);
2469 }
2470
2471 void
2472 unfocus_all(void)
2473 {
2474         struct ws_win           *win;
2475         int                     i, j, num_screens;
2476
2477         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2478
2479         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2480         for (i = 0; i < num_screens; i++)
2481                 for (j = 0; j < workspace_limit; j++)
2482                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2483                                 unfocus_win(win);
2484 }
2485
2486 void
2487 focus_win(struct ws_win *win)
2488 {
2489         XEvent                  cne;
2490         Window                  cur_focus;
2491         int                     rr;
2492         struct ws_win           *cfw = NULL;
2493
2494
2495         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2496
2497         if (win == NULL)
2498                 return;
2499         if (win->ws == NULL)
2500                 return;
2501
2502         if (validate_ws(win->ws))
2503                 return; /* XXX this gets hit with thunderbird, needs fixing */
2504
2505         if (validate_win(win)) {
2506                 kill_refs(win);
2507                 return;
2508         }
2509
2510         if (validate_win(win)) {
2511                 kill_refs(win);
2512                 return;
2513         }
2514
2515         XGetInputFocus(display, &cur_focus, &rr);
2516         if ((cfw = find_window(cur_focus)) != NULL)
2517                 unfocus_win(cfw);
2518         else {
2519                 /* use larger hammer since the window was killed somehow */
2520                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2521                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2522                                 XSetWindowBorder(display, cfw->id,
2523                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2524         }
2525
2526         win->ws->focus = win;
2527
2528         if (win->ws->r != NULL) {
2529                 /* drain all previous focus events */
2530                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2531                         ;
2532
2533                 if (win->java == 0)
2534                         XSetInputFocus(display, win->id,
2535                             RevertToParent, CurrentTime);
2536                 grabbuttons(win, 1);
2537                 XSetWindowBorder(display, win->id,
2538                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2539                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2540                     win->ws->always_raise)
2541                         XMapRaised(display, win->id);
2542
2543                 XChangeProperty(display, win->s->root,
2544                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2545                     PropModeReplace, (unsigned char *)&win->id, 1);
2546         }
2547
2548         bar_update();
2549 }
2550
2551 void
2552 switchws(struct swm_region *r, union arg *args)
2553 {
2554         int                     wsid = args->id, unmap_old = 0;
2555         struct swm_region       *this_r, *other_r;
2556         struct ws_win           *win;
2557         struct workspace        *new_ws, *old_ws;
2558         union arg               a;
2559
2560         if (!(r && r->s))
2561                 return;
2562
2563         if (wsid >= workspace_limit)
2564                 return;
2565
2566         this_r = r;
2567         old_ws = this_r->ws;
2568         new_ws = &this_r->s->ws[wsid];
2569
2570         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2571             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2572
2573         if (new_ws == NULL || old_ws == NULL)
2574                 return;
2575         if (new_ws == old_ws)
2576                 return;
2577
2578         other_r = new_ws->r;
2579         if (other_r == NULL) {
2580                 /* the other workspace is hidden, hide this one */
2581                 old_ws->r = NULL;
2582                 unmap_old = 1;
2583         } else {
2584                 /* the other ws is visible in another region, exchange them */
2585                 other_r->ws_prior = new_ws;
2586                 other_r->ws = old_ws;
2587                 old_ws->r = other_r;
2588         }
2589         this_r->ws_prior = old_ws;
2590         this_r->ws = new_ws;
2591         new_ws->r = this_r;
2592
2593         /* this is needed so that we can click on a window after a restart */
2594         unfocus_all();
2595
2596         stack();
2597         a.id = SWM_ARG_ID_FOCUSCUR;
2598         focus(new_ws->r, &a);
2599
2600         /* unmap old windows */
2601         if (unmap_old)
2602                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2603                         unmap_window(win);
2604
2605         if (focus_mode == SWM_FOCUS_DEFAULT)
2606                 drain_enter_notify();
2607 }
2608
2609 void
2610 cyclews(struct swm_region *r, union arg *args)
2611 {
2612         union                   arg a;
2613         struct swm_screen       *s = r->s;
2614         int                     cycle_all = 0;
2615
2616         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2617             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2618
2619         a.id = r->ws->idx;
2620         do {
2621                 switch (args->id) {
2622                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2623                         cycle_all = 1;
2624                         /* FALLTHROUGH */
2625                 case SWM_ARG_ID_CYCLEWS_UP:
2626                         if (a.id < workspace_limit - 1)
2627                                 a.id++;
2628                         else
2629                                 a.id = 0;
2630                         break;
2631                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2632                         cycle_all = 1;
2633                         /* FALLTHROUGH */
2634                 case SWM_ARG_ID_CYCLEWS_DOWN:
2635                         if (a.id > 0)
2636                                 a.id--;
2637                         else
2638                                 a.id = workspace_limit - 1;
2639                         break;
2640                 default:
2641                         return;
2642                 };
2643
2644                 if (!cycle_all &&
2645                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2646                         continue;
2647                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2648                         continue;
2649
2650                 switchws(r, &a);
2651         } while (a.id != r->ws->idx);
2652 }
2653
2654 void
2655 priorws(struct swm_region *r, union arg *args)
2656 {
2657         union arg               a;
2658
2659         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2660             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2661
2662         if (r->ws_prior == NULL)
2663                 return;
2664
2665         a.id = r->ws_prior->idx;
2666         switchws(r, &a);
2667 }
2668
2669 void
2670 cyclescr(struct swm_region *r, union arg *args)
2671 {
2672         struct swm_region       *rr = NULL;
2673         union arg               a;
2674         int                     i, x, y, num_screens;
2675
2676         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2677         /* do nothing if we don't have more than one screen */
2678         if (!(num_screens > 1 || outputs > 1))
2679                 return;
2680
2681         i = r->s->idx;
2682         switch (args->id) {
2683         case SWM_ARG_ID_CYCLESC_UP:
2684                 rr = TAILQ_NEXT(r, entry);
2685                 if (rr == NULL)
2686                         rr = TAILQ_FIRST(&screens[i].rl);
2687                 break;
2688         case SWM_ARG_ID_CYCLESC_DOWN:
2689                 rr = TAILQ_PREV(r, swm_region_list, entry);
2690                 if (rr == NULL)
2691                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2692                 break;
2693         default:
2694                 return;
2695         };
2696         if (rr == NULL)
2697                 return;
2698
2699         /* move mouse to region */
2700         x = X(rr) + 1;
2701         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2702         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2703
2704         a.id = SWM_ARG_ID_FOCUSCUR;
2705         focus(rr, &a);
2706
2707         if (rr->ws->focus) {
2708                 /* move to focus window */
2709                 x = X(rr->ws->focus) + 1;
2710                 y = Y(rr->ws->focus) + 1;
2711                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2712         }
2713 }
2714
2715 void
2716 sort_windows(struct ws_win_list *wl)
2717 {
2718         struct ws_win           *win, *parent, *nxt;
2719
2720         if (wl == NULL)
2721                 return;
2722
2723         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2724                 nxt = TAILQ_NEXT(win, entry);
2725                 if (win->transient) {
2726                         parent = find_window(win->transient);
2727                         if (parent == NULL) {
2728                                 warnx("not possible bug");
2729                                 continue;
2730                         }
2731                         TAILQ_REMOVE(wl, win, entry);
2732                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2733                 }
2734         }
2735
2736 }
2737
2738 void
2739 swapwin(struct swm_region *r, union arg *args)
2740 {
2741         struct ws_win           *target, *source;
2742         struct ws_win           *cur_focus;
2743         struct ws_win_list      *wl;
2744
2745
2746         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2747             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2748
2749         cur_focus = r->ws->focus;
2750         if (cur_focus == NULL)
2751                 return;
2752
2753         source = cur_focus;
2754         wl = &source->ws->winlist;
2755
2756         switch (args->id) {
2757         case SWM_ARG_ID_SWAPPREV:
2758                 if (source->transient)
2759                         source = find_window(source->transient);
2760                 target = TAILQ_PREV(source, ws_win_list, entry);
2761                 if (target && target->transient)
2762                         target = find_window(target->transient);
2763                 TAILQ_REMOVE(wl, source, entry);
2764                 if (target == NULL)
2765                         TAILQ_INSERT_TAIL(wl, source, entry);
2766                 else
2767                         TAILQ_INSERT_BEFORE(target, source, entry);
2768                 break;
2769         case SWM_ARG_ID_SWAPNEXT:
2770                 target = TAILQ_NEXT(source, entry);
2771                 /* move the parent and let the sort handle the move */
2772                 if (source->transient)
2773                         source = find_window(source->transient);
2774                 TAILQ_REMOVE(wl, source, entry);
2775                 if (target == NULL)
2776                         TAILQ_INSERT_HEAD(wl, source, entry);
2777                 else
2778                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2779                 break;
2780         case SWM_ARG_ID_SWAPMAIN:
2781                 target = TAILQ_FIRST(wl);
2782                 if (target == source) {
2783                         if (source->ws->focus_prev != NULL &&
2784                             source->ws->focus_prev != target)
2785                                 source = source->ws->focus_prev;
2786                         else
2787                                 return;
2788                 }
2789                 if (target == NULL || source == NULL)
2790                         return;
2791                 source->ws->focus_prev = target;
2792                 TAILQ_REMOVE(wl, target, entry);
2793                 TAILQ_INSERT_BEFORE(source, target, entry);
2794                 TAILQ_REMOVE(wl, source, entry);
2795                 TAILQ_INSERT_HEAD(wl, source, entry);
2796                 break;
2797         case SWM_ARG_ID_MOVELAST:
2798                 TAILQ_REMOVE(wl, source, entry);
2799                 TAILQ_INSERT_TAIL(wl, source, entry);
2800                 break;
2801         default:
2802                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2803                 return;
2804         }
2805
2806         sort_windows(wl);
2807
2808         stack();
2809 }
2810
2811 void
2812 focus_prev(struct ws_win *win)
2813 {
2814         struct ws_win           *winfocus = NULL;
2815         struct ws_win           *cur_focus = NULL;
2816         struct ws_win_list      *wl = NULL;
2817         struct workspace        *ws = NULL;
2818
2819         if (!(win && win->ws))
2820                 return;
2821
2822         ws = win->ws;
2823         wl = &ws->winlist;
2824         cur_focus = ws->focus;
2825
2826         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx, cur_focus: 0x%lx\n",
2827             WINID(win), WINID(cur_focus));
2828
2829         /* pickle, just focus on whatever */
2830         if (cur_focus == NULL) {
2831                 /* use prev_focus if valid */
2832                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2833                     find_window(WINID(ws->focus_prev)))
2834                         winfocus = ws->focus_prev;
2835                 goto done;
2836         }
2837
2838         /* if transient focus on parent */
2839         if (cur_focus->transient) {
2840                 winfocus = find_window(cur_focus->transient);
2841                 goto done;
2842         }
2843
2844         /* if in max_stack try harder */
2845         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2846             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2847                 if (cur_focus != ws->focus_prev)
2848                         winfocus = ws->focus_prev;
2849                 else
2850                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2851                 if (winfocus)
2852                         goto done;
2853         }
2854
2855         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2856
2857         if (winfocus == NULL || winfocus == win) {
2858                 switch (focus_close) {
2859                 case SWM_STACK_BOTTOM:
2860                         winfocus = TAILQ_FIRST(wl);
2861                         break;
2862                 case SWM_STACK_TOP:
2863                         winfocus = TAILQ_LAST(wl, ws_win_list);
2864                         break;
2865                 case SWM_STACK_ABOVE:
2866                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2867                                 if (focus_close_wrap)
2868                                         winfocus = TAILQ_FIRST(wl);
2869                                 else
2870                                         winfocus = TAILQ_PREV(cur_focus,
2871                                             ws_win_list, entry);
2872                         }
2873                         break;
2874                 case SWM_STACK_BELOW:
2875                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2876                             entry)) == NULL) {
2877                                 if (focus_close_wrap)
2878                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2879                                 else
2880                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2881                         }
2882                         break;
2883                 }
2884         }
2885 done:
2886         if (winfocus == NULL) {
2887                 if (focus_default == SWM_STACK_TOP)
2888                         winfocus = TAILQ_LAST(wl, ws_win_list);
2889                 else
2890                         winfocus = TAILQ_FIRST(wl);
2891         }
2892
2893         kill_refs(win);
2894         focus_magic(winfocus);
2895 }
2896
2897 void
2898 focus(struct swm_region *r, union arg *args)
2899 {
2900         struct ws_win           *winfocus = NULL, *head;
2901         struct ws_win           *cur_focus = NULL;
2902         struct ws_win_list      *wl = NULL;
2903         struct workspace        *ws = NULL;
2904         int                     all_iconics;
2905
2906         if (!(r && r->ws))
2907                 return;
2908
2909         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2910
2911         /* treat FOCUS_CUR special */
2912         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2913                 if (r->ws->focus && r->ws->focus->iconic == 0)
2914                         winfocus = r->ws->focus;
2915                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2916                         winfocus = r->ws->focus_prev;
2917                 else
2918                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2919                                 if (winfocus->iconic == 0)
2920                                         break;
2921
2922                 focus_magic(winfocus);
2923                 return;
2924         }
2925
2926         if ((cur_focus = r->ws->focus) == NULL)
2927                 return;
2928         ws = r->ws;
2929         wl = &ws->winlist;
2930         if (TAILQ_EMPTY(wl))
2931                 return;
2932         /* make sure there is at least one uniconified window */
2933         all_iconics = 1;
2934         TAILQ_FOREACH(winfocus, wl, entry)
2935                 if (winfocus->iconic == 0) {
2936                         all_iconics = 0;
2937                         break;
2938                 }
2939         if (all_iconics)
2940                 return;
2941
2942         switch (args->id) {
2943         case SWM_ARG_ID_FOCUSPREV:
2944                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2945                 if (head == NULL)
2946                         head = TAILQ_LAST(wl, ws_win_list);
2947                 winfocus = head;
2948                 if (WINID(winfocus) == cur_focus->transient) {
2949                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2950                         if (head == NULL)
2951                                 head = TAILQ_LAST(wl, ws_win_list);
2952                         winfocus = head;
2953                 }
2954
2955                 /* skip iconics */
2956                 if (winfocus && winfocus->iconic) {
2957                         while (winfocus != cur_focus) {
2958                                 if (winfocus == NULL)
2959                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2960                                 if (winfocus->iconic == 0)
2961                                         break;
2962                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2963                                     entry);
2964                         }
2965                 }
2966                 break;
2967
2968         case SWM_ARG_ID_FOCUSNEXT:
2969                 head = TAILQ_NEXT(cur_focus, entry);
2970                 if (head == NULL)
2971                         head = TAILQ_FIRST(wl);
2972                 winfocus = head;
2973
2974                 /* skip iconics */
2975                 if (winfocus && winfocus->iconic) {
2976                         while (winfocus != cur_focus) {
2977                                 if (winfocus == NULL)
2978                                         winfocus = TAILQ_FIRST(wl);
2979                                 if (winfocus->iconic == 0)
2980                                         break;
2981                                 winfocus = TAILQ_NEXT(winfocus, entry);
2982                         }
2983                 }
2984                 break;
2985
2986         case SWM_ARG_ID_FOCUSMAIN:
2987                 winfocus = TAILQ_FIRST(wl);
2988                 if (winfocus == cur_focus)
2989                         winfocus = cur_focus->ws->focus_prev;
2990                 break;
2991
2992         default:
2993                 return;
2994         }
2995
2996         focus_magic(winfocus);
2997 }
2998
2999 void
3000 cycle_layout(struct swm_region *r, union arg *args)
3001 {
3002         struct workspace        *ws = r->ws;
3003         union arg               a;
3004
3005         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3006
3007         ws->cur_layout++;
3008         if (ws->cur_layout->l_stack == NULL)
3009                 ws->cur_layout = &layouts[0];
3010
3011         stack();
3012         if (focus_mode == SWM_FOCUS_DEFAULT)
3013                 drain_enter_notify();
3014         a.id = SWM_ARG_ID_FOCUSCUR;
3015         focus(r, &a);
3016 }
3017
3018 void
3019 stack_config(struct swm_region *r, union arg *args)
3020 {
3021         struct workspace        *ws = r->ws;
3022
3023         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3024             args->id, ws->idx);
3025
3026         if (ws->cur_layout->l_config != NULL)
3027                 ws->cur_layout->l_config(ws, args->id);
3028
3029         if (args->id != SWM_ARG_ID_STACKINIT)
3030                 stack();
3031         bar_update();
3032 }
3033
3034 void
3035 stack(void) {
3036         struct swm_geometry     g;
3037         struct swm_region       *r;
3038         int                     i, num_screens;
3039 #ifdef SWM_DEBUG
3040         int j;
3041 #endif
3042
3043         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3044
3045         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3046         for (i = 0; i < num_screens; i++) {
3047 #ifdef SWM_DEBUG
3048                 j = 0;
3049 #endif
3050                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3051                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3052                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3053
3054                         /* start with screen geometry, adjust for bar */
3055                         g = r->g;
3056                         g.w -= 2 * border_width;
3057                         g.h -= 2 * border_width;
3058                         if (bar_enabled) {
3059                                 if (!bar_at_bottom)
3060                                         g.y += bar_height;
3061                                 g.h -= bar_height;
3062                         }
3063                         r->ws->cur_layout->l_stack(r->ws, &g);
3064                         r->ws->cur_layout->l_string(r->ws);
3065                         /* save r so we can track region changes */
3066                         r->ws->old_r = r;
3067                 }
3068         }
3069         if (font_adjusted)
3070                 font_adjusted--;
3071
3072         if (focus_mode == SWM_FOCUS_DEFAULT)
3073                 drain_enter_notify();
3074
3075         DNPRINTF(SWM_D_STACK, "stack: end\n");
3076 }
3077
3078 void
3079 store_float_geom(struct ws_win *win, struct swm_region *r)
3080 {
3081         /* retain window geom and region geom */
3082         win->g_float = win->g;
3083         win->g_float.x -= X(r);
3084         win->g_float.y -= Y(r);
3085         win->g_floatvalid = 1;
3086         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%lx, g: (%d,%d)"
3087             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3088             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3089             win->g_float.w, win->g_float.h);
3090 }
3091
3092 void
3093 stack_floater(struct ws_win *win, struct swm_region *r)
3094 {
3095         if (win == NULL)
3096                 return;
3097
3098         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%lx\n", win->id);
3099
3100         /*
3101          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3102          * geom on ws switches or return from max mode
3103          */
3104         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3105             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3106                 /* refloat at last floating relative position */
3107                 win->g = win->g_float;
3108                 X(win) += X(r);
3109                 Y(win) += Y(r);
3110         }
3111
3112         win->floatmaxed = 0;
3113
3114         /*
3115          * if set to fullscreen mode, configure window to maximum size.
3116          */
3117         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3118                 if (!win->g_floatvalid)
3119                         store_float_geom(win, win->ws->r);
3120
3121                 win->g = win->ws->r->g;
3122         }
3123
3124         /*
3125          * remove border on fullscreen floater when in fullscreen mode or when
3126          * the quirk is present.
3127          */
3128         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3129             ((win->quirks & SWM_Q_FULLSCREEN) &&
3130              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3131                 if (win->bordered) {
3132                         win->bordered = 0;
3133                         X(win) += border_width;
3134                         Y(win) += border_width;
3135                 }
3136         } else if (!win->bordered) {
3137                 win->bordered = 1;
3138                 X(win) -= border_width;
3139                 Y(win) -= border_width;
3140         }
3141
3142         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3143                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3144                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3145         }
3146
3147         if (!win->manual) {
3148                 /*
3149                  * floaters and transients are auto-centred unless moved
3150                  * or resized
3151                  */
3152                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3153                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3154         }
3155
3156         /* keep window within region bounds */
3157         constrain_window(win, r, 0);
3158
3159         update_window(win);
3160 }
3161
3162 /*
3163  * Send keystrokes to terminal to decrease/increase the font size as the
3164  * window size changes.
3165  */
3166 void
3167 adjust_font(struct ws_win *win)
3168 {
3169         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3170             win->floating || win->transient)
3171                 return;
3172
3173         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3174             WIDTH(win) / win->sh.width_inc < term_width &&
3175             win->font_steps < SWM_MAX_FONT_STEPS) {
3176                 win->font_size_boundary[win->font_steps] =
3177                     (win->sh.width_inc * term_width) + win->sh.base_width;
3178                 win->font_steps++;
3179                 font_adjusted++;
3180                 win->last_inc = win->sh.width_inc;
3181                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3182         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3183             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3184                 win->font_steps--;
3185                 font_adjusted++;
3186                 win->last_inc = win->sh.width_inc;
3187                 fake_keypress(win, XK_KP_Add, ShiftMask);
3188         }
3189 }
3190
3191 #define SWAPXY(g)       do {                            \
3192         int tmp;                                        \
3193         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3194         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3195 } while (0)
3196 void
3197 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3198 {
3199         XWindowAttributes       wa;
3200         struct swm_geometry     win_g, r_g = *g;
3201         struct ws_win           *win, *fs_win = NULL;
3202         int                     i, j, s, stacks;
3203         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3204         int                     hrh, extra = 0, h_slice, last_h = 0;
3205         int                     split, colno, winno, mwin, msize, mscale;
3206         int                     remain, missing, v_slice, reconfigure;
3207         int                     bordered = 1;
3208
3209         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3210             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3211
3212         winno = count_win(ws, 0);
3213         if (winno == 0 && count_win(ws, 1) == 0)
3214                 return;
3215
3216         TAILQ_FOREACH(win, &ws->winlist, entry)
3217                 if (win->transient == 0 && win->floating == 0
3218                     && win->iconic == 0)
3219                         break;
3220
3221         if (win == NULL)
3222                 goto notiles;
3223
3224         if (rot) {
3225                 w_inc = win->sh.width_inc;
3226                 w_base = win->sh.base_width;
3227                 mwin = ws->l_state.horizontal_mwin;
3228                 mscale = ws->l_state.horizontal_msize;
3229                 stacks = ws->l_state.horizontal_stacks;
3230                 SWAPXY(&r_g);
3231         } else {
3232                 w_inc = win->sh.height_inc;
3233                 w_base = win->sh.base_height;
3234                 mwin = ws->l_state.vertical_mwin;
3235                 mscale = ws->l_state.vertical_msize;
3236                 stacks = ws->l_state.vertical_stacks;
3237         }
3238         win_g = r_g;
3239
3240         if (stacks > winno - mwin)
3241                 stacks = winno - mwin;
3242         if (stacks < 1)
3243                 stacks = 1;
3244
3245         h_slice = r_g.h / SWM_H_SLICE;
3246         if (mwin && winno > mwin) {
3247                 v_slice = r_g.w / SWM_V_SLICE;
3248
3249                 split = mwin;
3250                 colno = split;
3251                 win_g.w = v_slice * mscale;
3252
3253                 if (w_inc > 1 && w_inc < v_slice) {
3254                         /* adjust for window's requested size increment */
3255                         remain = (win_g.w - w_base) % w_inc;
3256                         win_g.w -= remain;
3257                 }
3258
3259                 msize = win_g.w;
3260                 if (flip)
3261                         win_g.x += r_g.w - msize;
3262         } else {
3263                 msize = -2;
3264                 colno = split = winno / stacks;
3265                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3266                     2 * border_width) / stacks);
3267         }
3268         hrh = r_g.h / colno;
3269         extra = r_g.h - (colno * hrh);
3270         win_g.h = hrh - 2 * border_width;
3271
3272         /*  stack all the tiled windows */
3273         i = j = 0, s = stacks;
3274         TAILQ_FOREACH(win, &ws->winlist, entry) {
3275                 if (win->transient != 0 || win->floating != 0)
3276                         continue;
3277                 if (win->iconic != 0)
3278                         continue;
3279
3280                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3281                         fs_win = win;
3282                         continue;
3283                 }
3284
3285                 if (split && i == split) {
3286                         colno = (winno - mwin) / stacks;
3287                         if (s <= (winno - mwin) % stacks)
3288                                 colno++;
3289                         split = split + colno;
3290                         hrh = (r_g.h / colno);
3291                         extra = r_g.h - (colno * hrh);
3292                         if (flip)
3293                                 win_g.x = r_g.x;
3294                         else
3295                                 win_g.x += win_g.w + 2 * border_width;
3296                         win_g.w = (r_g.w - msize -
3297                             (stacks * 2 * border_width)) / stacks;
3298                         if (s == 1)
3299                                 win_g.w += (r_g.w - msize -
3300                                     (stacks * 2 * border_width)) % stacks;
3301                         s--;
3302                         j = 0;
3303                 }
3304                 win_g.h = hrh - 2 * border_width;
3305                 if (rot) {
3306                         h_inc = win->sh.width_inc;
3307                         h_base = win->sh.base_width;
3308                 } else {
3309                         h_inc = win->sh.height_inc;
3310                         h_base = win->sh.base_height;
3311                 }
3312                 if (j == colno - 1) {
3313                         win_g.h = hrh + extra;
3314                 } else if (h_inc > 1 && h_inc < h_slice) {
3315                         /* adjust for window's requested size increment */
3316                         remain = (win_g.h - h_base) % h_inc;
3317                         missing = h_inc - remain;
3318
3319                         if (missing <= extra || j == 0) {
3320                                 extra -= missing;
3321                                 win_g.h += missing;
3322                         } else {
3323                                 win_g.h -= remain;
3324                                 extra += remain;
3325                         }
3326                 }
3327
3328                 if (j == 0)
3329                         win_g.y = r_g.y;
3330                 else
3331                         win_g.y += last_h + 2 * border_width;
3332
3333                 if (disable_border && bar_enabled == 0 && winno == 1){
3334                         bordered = 0;
3335                         win_g.w += 2 * border_width;
3336                         win_g.h += 2 * border_width;
3337                 } else {
3338                         bordered = 1;
3339                 }
3340                 if (rot) {
3341                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3342                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3343                                 reconfigure = 1;
3344                                 X(win) = win_g.y;
3345                                 Y(win) = win_g.x;
3346                                 WIDTH(win) = win_g.h;
3347                                 HEIGHT(win) = win_g.w;
3348                         }
3349                 } else {
3350                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3351                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3352                                 reconfigure = 1;
3353                                 X(win) = win_g.x;
3354                                 Y(win) = win_g.y;
3355                                 WIDTH(win) = win_g.w;
3356                                 HEIGHT(win) = win_g.h;
3357                         }
3358                 }
3359
3360                 if (bordered != win->bordered) {
3361                         reconfigure = 1;
3362                         win->bordered = bordered;
3363                 }
3364
3365                 if (reconfigure) {
3366                         adjust_font(win);
3367                         update_window(win);
3368                 }
3369
3370                 if (XGetWindowAttributes(display, win->id, &wa))
3371                         if (wa.map_state == IsUnmapped)
3372                                 XMapRaised(display, win->id);
3373
3374                 last_h = win_g.h;
3375                 i++;
3376                 j++;
3377         }
3378
3379 notiles:
3380         /* now, stack all the floaters and transients */
3381         TAILQ_FOREACH(win, &ws->winlist, entry) {
3382                 if (win->transient == 0 && win->floating == 0)
3383                         continue;
3384                 if (win->iconic == 1)
3385                         continue;
3386                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3387                         fs_win = win;
3388                         continue;
3389                 }
3390
3391                 stack_floater(win, ws->r);
3392                 XMapRaised(display, win->id);
3393         }
3394
3395         if (fs_win) {
3396                 stack_floater(fs_win, ws->r);
3397                 XMapRaised(display, fs_win->id);
3398         }
3399 }
3400
3401 void
3402 vertical_config(struct workspace *ws, int id)
3403 {
3404         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3405             id, ws->idx);
3406
3407         switch (id) {
3408         case SWM_ARG_ID_STACKRESET:
3409         case SWM_ARG_ID_STACKINIT:
3410                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3411                 ws->l_state.vertical_mwin = 1;
3412                 ws->l_state.vertical_stacks = 1;
3413                 break;
3414         case SWM_ARG_ID_MASTERSHRINK:
3415                 if (ws->l_state.vertical_msize > 1)
3416                         ws->l_state.vertical_msize--;
3417                 break;
3418         case SWM_ARG_ID_MASTERGROW:
3419                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3420                         ws->l_state.vertical_msize++;
3421                 break;
3422         case SWM_ARG_ID_MASTERADD:
3423                 ws->l_state.vertical_mwin++;
3424                 break;
3425         case SWM_ARG_ID_MASTERDEL:
3426                 if (ws->l_state.vertical_mwin > 0)
3427                         ws->l_state.vertical_mwin--;
3428                 break;
3429         case SWM_ARG_ID_STACKINC:
3430                 ws->l_state.vertical_stacks++;
3431                 break;
3432         case SWM_ARG_ID_STACKDEC:
3433                 if (ws->l_state.vertical_stacks > 1)
3434                         ws->l_state.vertical_stacks--;
3435                 break;
3436         case SWM_ARG_ID_FLIPLAYOUT:
3437                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3438                 break;
3439         default:
3440                 return;
3441         }
3442 }
3443
3444 void
3445 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3446 {
3447         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3448
3449         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3450 }
3451
3452 void
3453 horizontal_config(struct workspace *ws, int id)
3454 {
3455         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3456
3457         switch (id) {
3458         case SWM_ARG_ID_STACKRESET:
3459         case SWM_ARG_ID_STACKINIT:
3460                 ws->l_state.horizontal_mwin = 1;
3461                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3462                 ws->l_state.horizontal_stacks = 1;
3463                 break;
3464         case SWM_ARG_ID_MASTERSHRINK:
3465                 if (ws->l_state.horizontal_msize > 1)
3466                         ws->l_state.horizontal_msize--;
3467                 break;
3468         case SWM_ARG_ID_MASTERGROW:
3469                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3470                         ws->l_state.horizontal_msize++;
3471                 break;
3472         case SWM_ARG_ID_MASTERADD:
3473                 ws->l_state.horizontal_mwin++;
3474                 break;
3475         case SWM_ARG_ID_MASTERDEL:
3476                 if (ws->l_state.horizontal_mwin > 0)
3477                         ws->l_state.horizontal_mwin--;
3478                 break;
3479         case SWM_ARG_ID_STACKINC:
3480                 ws->l_state.horizontal_stacks++;
3481                 break;
3482         case SWM_ARG_ID_STACKDEC:
3483                 if (ws->l_state.horizontal_stacks > 1)
3484                         ws->l_state.horizontal_stacks--;
3485                 break;
3486         case SWM_ARG_ID_FLIPLAYOUT:
3487                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3488                 break;
3489         default:
3490                 return;
3491         }
3492 }
3493
3494 void
3495 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3496 {
3497         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3498
3499         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3500 }
3501
3502 /* fullscreen view */
3503 void
3504 max_stack(struct workspace *ws, struct swm_geometry *g)
3505 {
3506         struct swm_geometry     gg = *g;
3507         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3508         int                     winno, num_screens;
3509
3510         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3511
3512         if (ws == NULL)
3513                 return;
3514
3515         winno = count_win(ws, 0);
3516         if (winno == 0 && count_win(ws, 1) == 0)
3517                 return;
3518
3519         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3520         TAILQ_FOREACH(win, &ws->winlist, entry) {
3521                 if (win->transient) {
3522                         wintrans = win;
3523                         parent = find_window(win->transient);
3524                         continue;
3525                 }
3526
3527                 if (win->floating && win->floatmaxed == 0 ) {
3528                         /*
3529                          * retain geometry for retrieval on exit from
3530                          * max_stack mode
3531                          */
3532                         store_float_geom(win, ws->r);
3533                         win->floatmaxed = 1;
3534                 }
3535
3536                 /* only reconfigure if necessary */
3537                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3538                     HEIGHT(win) != gg.h) {
3539                         win->g = gg;
3540                         if (bar_enabled){
3541                                 win->bordered = 1;
3542                         } else {
3543                                 win->bordered = 0;
3544                                 WIDTH(win) += 2 * border_width;
3545                                 HEIGHT(win) += 2 * border_width;
3546                         }
3547
3548                         update_window(win);
3549                 }
3550                 /* unmap only if we don't have multi screen */
3551                 if (win != ws->focus)
3552                         if (!(num_screens > 1 || outputs > 1))
3553                                 unmap_window(win);
3554         }
3555
3556         /* put the last transient on top */
3557         if (wintrans) {
3558                 if (parent)
3559                         XMapRaised(display, parent->id);
3560                 stack_floater(wintrans, ws->r);
3561                 focus_magic(wintrans);
3562         }
3563 }
3564
3565 void
3566 send_to_ws(struct swm_region *r, union arg *args)
3567 {
3568         int                     wsid = args->id;
3569         struct ws_win           *win = NULL, *parent;
3570         struct workspace        *ws, *nws;
3571         Atom                    ws_idx_atom = 0;
3572         unsigned char           ws_idx_str[SWM_PROPLEN];
3573         union arg               a;
3574
3575         if (wsid >= workspace_limit)
3576                 return;
3577
3578         if (r && r->ws && r->ws->focus)
3579                 win = r->ws->focus;
3580         else
3581                 return;
3582         if (win == NULL)
3583                 return;
3584         if (win->ws->idx == wsid)
3585                 return;
3586
3587         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3588
3589         ws = win->ws;
3590         nws = &win->s->ws[wsid];
3591
3592         a.id = SWM_ARG_ID_FOCUSPREV;
3593         focus(r, &a);
3594         if (win->transient) {
3595                 parent = find_window(win->transient);
3596                 if (parent) {
3597                         unmap_window(parent);
3598                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3599                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3600                         parent->ws = nws;
3601                 }
3602         }
3603         unmap_window(win);
3604         TAILQ_REMOVE(&ws->winlist, win, entry);
3605         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3606         if (TAILQ_EMPTY(&ws->winlist))
3607                 r->ws->focus = NULL;
3608         win->ws = nws;
3609
3610         /* Try to update the window's workspace property */
3611         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3612         if (ws_idx_atom &&
3613             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3614                 SWM_PROPLEN) {
3615                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3616                     ws_idx_str);
3617                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3618                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
3619         }
3620
3621         stack();
3622         bar_update();
3623 }
3624
3625 void
3626 pressbutton(struct swm_region *r, union arg *args)
3627 {
3628         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3629         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3630 }
3631
3632 void
3633 raise_toggle(struct swm_region *r, union arg *args)
3634 {
3635         if (r == NULL || r->ws == NULL)
3636                 return;
3637
3638         r->ws->always_raise = !r->ws->always_raise;
3639
3640         /* bring floaters back to top */
3641         if (r->ws->always_raise == 0)
3642                 stack();
3643 }
3644
3645 void
3646 iconify(struct swm_region *r, union arg *args)
3647 {
3648         union arg a;
3649
3650         if (r->ws->focus == NULL)
3651                 return;
3652         unmap_window(r->ws->focus);
3653         update_iconic(r->ws->focus, 1);
3654         stack();
3655         if (focus_mode == SWM_FOCUS_DEFAULT)
3656                 drain_enter_notify();
3657         r->ws->focus = NULL;
3658         a.id = SWM_ARG_ID_FOCUSCUR;
3659         focus(r, &a);
3660 }
3661
3662 unsigned char *
3663 get_win_name(xcb_window_t win)
3664 {
3665         unsigned char           *prop = NULL;
3666         unsigned long           nbytes, nitems;
3667
3668         /* try _NET_WM_NAME first */
3669         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3670             &prop)) {
3671                 XFree(prop);
3672                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3673                     &nitems, NULL, &prop))
3674                         return (prop);
3675         }
3676
3677         /* fallback to WM_NAME */
3678         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3679                 return (NULL);
3680         XFree(prop);
3681         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3682                 return (prop);
3683
3684         return (NULL);
3685 }
3686
3687 void
3688 uniconify(struct swm_region *r, union arg *args)
3689 {
3690         struct ws_win           *win;
3691         FILE                    *lfile;
3692         unsigned char           *name;
3693         int                     count = 0;
3694
3695         DNPRINTF(SWM_D_MISC, "uniconify\n");
3696
3697         if (r == NULL || r->ws == NULL)
3698                 return;
3699
3700         /* make sure we have anything to uniconify */
3701         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3702                 if (win->ws == NULL)
3703                         continue; /* should never happen */
3704                 if (win->iconic == 0)
3705                         continue;
3706                 count++;
3707         }
3708         if (count == 0)
3709                 return;
3710
3711         search_r = r;
3712         search_resp_action = SWM_SEARCH_UNICONIFY;
3713
3714         spawn_select(r, args, "search", &searchpid);
3715
3716         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3717                 return;
3718
3719         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3720                 if (win->ws == NULL)
3721                         continue; /* should never happen */
3722                 if (win->iconic == 0)
3723                         continue;
3724
3725                 name = get_win_name(win->id);
3726                 if (name == NULL)
3727                         continue;
3728                 fprintf(lfile, "%s.%u\n", name, win->id);
3729                 XFree(name);
3730         }
3731
3732         fclose(lfile);
3733 }
3734
3735 void
3736 name_workspace(struct swm_region *r, union arg *args)
3737 {
3738         FILE                    *lfile;
3739
3740         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3741
3742         if (r == NULL)
3743                 return;
3744
3745         search_r = r;
3746         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3747
3748         spawn_select(r, args, "name_workspace", &searchpid);
3749
3750         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3751                 return;
3752
3753         fprintf(lfile, "%s", "");
3754         fclose(lfile);
3755 }
3756
3757 void
3758 search_workspace(struct swm_region *r, union arg *args)
3759 {
3760         int                     i;
3761         struct workspace        *ws;
3762         FILE                    *lfile;
3763
3764         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3765
3766         if (r == NULL)
3767                 return;
3768
3769         search_r = r;
3770         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3771
3772         spawn_select(r, args, "search", &searchpid);
3773
3774         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3775                 return;
3776
3777         for (i = 0; i < workspace_limit; i++) {
3778                 ws = &r->s->ws[i];
3779                 if (ws == NULL)
3780                         continue;
3781                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3782                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3783         }
3784
3785         fclose(lfile);
3786 }
3787
3788 void
3789 search_win_cleanup(void)
3790 {
3791         struct search_window    *sw = NULL;
3792
3793         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3794                 XDestroyWindow(display, sw->indicator);
3795                 XFreeGC(display, sw->gc);
3796                 TAILQ_REMOVE(&search_wl, sw, entry);
3797                 free(sw);
3798         }
3799 }
3800
3801 void
3802 search_win(struct swm_region *r, union arg *args)
3803 {
3804         struct ws_win           *win = NULL;
3805         struct search_window    *sw = NULL;
3806         Window                  w;
3807         XGCValues               gcv;
3808         int                     i;
3809         char                    s[8];
3810         FILE                    *lfile;
3811         size_t                  len;
3812         XRectangle              ibox, lbox;
3813
3814         DNPRINTF(SWM_D_MISC, "search_win\n");
3815
3816         search_r = r;
3817         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3818
3819         spawn_select(r, args, "search", &searchpid);
3820
3821         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3822                 return;
3823
3824         TAILQ_INIT(&search_wl);
3825
3826         i = 1;
3827         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3828                 if (win->iconic == 1)
3829                         continue;
3830
3831                 sw = calloc(1, sizeof(struct search_window));
3832                 if (sw == NULL) {
3833                         warn("search_win: calloc");
3834                         fclose(lfile);
3835                         search_win_cleanup();
3836                         return;
3837                 }
3838                 sw->idx = i;
3839                 sw->win = win;
3840
3841                 snprintf(s, sizeof s, "%d", i);
3842                 len = strlen(s);
3843
3844                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3845
3846                 w = XCreateSimpleWindow(display,
3847                     win->id, 0, 0,lbox.width + 4,
3848                     bar_fs_extents->max_logical_extent.height, 1,
3849                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3850                     r->s->c[SWM_S_COLOR_FOCUS].color);
3851
3852                 sw->indicator = w;
3853                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3854
3855                 sw->gc = XCreateGC(display, w, 0, &gcv);
3856                 XMapRaised(display, w);
3857                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3858
3859                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3860                     (bar_fs_extents->max_logical_extent.height -
3861                     lbox.height) / 2 - lbox.y, s, len);
3862
3863                 fprintf(lfile, "%d\n", i);
3864                 i++;
3865         }
3866
3867         fclose(lfile);
3868 }
3869
3870 void
3871 search_resp_uniconify(char *resp, unsigned long len)
3872 {
3873         unsigned char           *name;
3874         struct ws_win           *win;
3875         char                    *s;
3876
3877         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3878
3879         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3880                 if (win->iconic == 0)
3881                         continue;
3882                 name = get_win_name(win->id);
3883                 if (name == NULL)
3884                         continue;
3885                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3886                         XFree(name);
3887                         continue;
3888                 }
3889                 XFree(name);
3890                 if (strncmp(s, resp, len) == 0) {
3891                         /* XXX this should be a callback to generalize */
3892                         update_iconic(win, 0);
3893                         free(s);
3894                         break;
3895                 }
3896                 free(s);
3897         }
3898 }
3899
3900 void
3901 search_resp_name_workspace(char *resp, unsigned long len)
3902 {
3903         struct workspace        *ws;
3904
3905         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3906
3907         if (search_r->ws == NULL)
3908                 return;
3909         ws = search_r->ws;
3910
3911         if (ws->name) {
3912                 free(search_r->ws->name);
3913                 search_r->ws->name = NULL;
3914         }
3915
3916         if (len > 1) {
3917                 ws->name = strdup(resp);
3918                 if (ws->name == NULL) {
3919                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3920                             "strdup: %s", strerror(errno));
3921                         return;
3922                 }
3923         }
3924 }
3925
3926 void
3927 search_resp_search_workspace(char *resp, unsigned long len)
3928 {
3929         char                    *p, *q;
3930         int                     ws_idx;
3931         const char              *errstr;
3932         union arg               a;
3933
3934         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3935
3936         q = strdup(resp);
3937         if (!q) {
3938                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3939                     strerror(errno));
3940                 return;
3941         }
3942         p = strchr(q, ':');
3943         if (p != NULL)
3944                 *p = '\0';
3945         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3946         if (errstr) {
3947                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3948                     errstr, q);
3949                 free(q);
3950                 return;
3951         }
3952         free(q);
3953         a.id = ws_idx - 1;
3954         switchws(search_r, &a);
3955 }
3956
3957 void
3958 search_resp_search_window(char *resp, unsigned long len)
3959 {
3960         char                    *s;
3961         int                     idx;
3962         const char              *errstr;
3963         struct search_window    *sw;
3964
3965         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3966
3967         s = strdup(resp);
3968         if (!s) {
3969                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3970                     strerror(errno));
3971                 return;
3972         }
3973
3974         idx = strtonum(s, 1, INT_MAX, &errstr);
3975         if (errstr) {
3976                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3977                     errstr, s);
3978                 free(s);
3979                 return;
3980         }
3981         free(s);
3982
3983         TAILQ_FOREACH(sw, &search_wl, entry)
3984                 if (idx == sw->idx) {
3985                         focus_win(sw->win);
3986                         break;
3987                 }
3988 }
3989
3990 #define MAX_RESP_LEN    1024
3991
3992 void
3993 search_do_resp(void)
3994 {
3995         ssize_t                 rbytes;
3996         char                    *resp;
3997         unsigned long           len;
3998
3999         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4000
4001         search_resp = 0;
4002         searchpid = 0;
4003
4004         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4005                 warn("search: calloc");
4006                 goto done;
4007         }
4008
4009         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4010         if (rbytes <= 0) {
4011                 warn("search: read error");
4012                 goto done;
4013         }
4014         resp[rbytes] = '\0';
4015
4016         /* XXX:
4017          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4018          * newline, so work around that by sanitizing the resp now.
4019          */
4020         resp[strcspn(resp, "\n")] = '\0';
4021         len = strlen(resp);
4022
4023         switch (search_resp_action) {
4024         case SWM_SEARCH_UNICONIFY:
4025                 search_resp_uniconify(resp, len);
4026                 break;
4027         case SWM_SEARCH_NAME_WORKSPACE:
4028                 search_resp_name_workspace(resp, len);
4029                 break;
4030         case SWM_SEARCH_SEARCH_WORKSPACE:
4031                 search_resp_search_workspace(resp, len);
4032                 break;
4033         case SWM_SEARCH_SEARCH_WINDOW:
4034                 search_resp_search_window(resp, len);
4035                 break;
4036         }
4037
4038 done:
4039         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4040                 search_win_cleanup();
4041
4042         search_resp_action = SWM_SEARCH_NONE;
4043         close(select_resp_pipe[0]);
4044         free(resp);
4045 }
4046
4047 void
4048 wkill(struct swm_region *r, union arg *args)
4049 {
4050         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4051
4052         if (r->ws->focus == NULL)
4053                 return;
4054
4055         if (args->id == SWM_ARG_ID_KILLWINDOW)
4056                 XKillClient(display, r->ws->focus->id);
4057         else
4058                 if (r->ws->focus->can_delete)
4059                         client_msg(r->ws->focus, adelete);
4060 }
4061
4062
4063 int
4064 floating_toggle_win(struct ws_win *win)
4065 {
4066         struct swm_region       *r;
4067
4068         if (win == NULL)
4069                 return (0);
4070
4071         if (!win->ws->r)
4072                 return (0);
4073
4074         r = win->ws->r;
4075
4076         /* reject floating toggles in max stack mode */
4077         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4078                 return (0);
4079
4080         if (win->floating) {
4081                 if (!win->floatmaxed) {
4082                         /* retain position for refloat */
4083                         store_float_geom(win, r);
4084                 }
4085                 win->floating = 0;
4086         } else {
4087                 if (win->g_floatvalid) {
4088                         /* refloat at last floating relative position */
4089                         X(win) = win->g_float.x + X(r);
4090                         Y(win) = win->g_float.y + Y(r);
4091                         WIDTH(win) = win->g_float.w;
4092                         HEIGHT(win) = win->g_float.h;
4093                 }
4094                 win->floating = 1;
4095         }
4096
4097         ewmh_update_actions(win);
4098
4099         return (1);
4100 }
4101
4102 void
4103 floating_toggle(struct swm_region *r, union arg *args)
4104 {
4105         struct ws_win           *win = r->ws->focus;
4106         union arg               a;
4107
4108         if (win == NULL)
4109                 return;
4110
4111         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4112             _NET_WM_STATE_TOGGLE);
4113
4114         stack();
4115         if (focus_mode == SWM_FOCUS_DEFAULT)
4116                 drain_enter_notify();
4117
4118         if (win == win->ws->focus) {
4119                 a.id = SWM_ARG_ID_FOCUSCUR;
4120                 focus(win->ws->r, &a);
4121         }
4122 }
4123
4124 void
4125 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4126 {
4127         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4128                 if (resizable)
4129                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4130                 else
4131                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4132         }
4133
4134         if (X(win) + BORDER(win) < X(r)) {
4135                 if (resizable)
4136                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4137
4138                 X(win) = X(r) - BORDER(win);
4139         }
4140
4141         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4142                 if (resizable)
4143                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4144                 else
4145                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4146         }
4147
4148         if (Y(win) + BORDER(win) < Y(r)) {
4149                 if (resizable)
4150                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4151
4152                 Y(win) = Y(r) - BORDER(win);
4153         }
4154
4155         if (resizable) {
4156                 if (WIDTH(win) < 1)
4157                         WIDTH(win) = 1;
4158                 if (HEIGHT(win) < 1)
4159                         HEIGHT(win) = 1;
4160         }
4161 }
4162
4163 void
4164 update_window(struct ws_win *win)
4165 {
4166         uint16_t        mask;
4167         uint32_t        wc[5];
4168
4169         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4170                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4171                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4172         wc[0] = X(win);
4173         wc[1] = Y(win);
4174         wc[2] = WIDTH(win);
4175         wc[3] = HEIGHT(win);
4176         wc[4] = BORDER(win);
4177
4178         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4179             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4180             wc[3], YESNO(win->bordered));
4181
4182         xcb_configure_window(conn, win->id, mask, wc);
4183 }
4184
4185 #define SWM_RESIZE_STEPS        (50)
4186
4187 void
4188 resize(struct ws_win *win, union arg *args)
4189 {
4190         XEvent                  ev;
4191         Time                    time = 0;
4192         struct swm_region       *r = NULL;
4193         int                     resize_step = 0;
4194         Window                  rr, cr;
4195         int                     x, y, wx, wy;
4196         unsigned int            mask;
4197         struct swm_geometry     g;
4198         int                     top = 0, left = 0;
4199         int                     dx, dy;
4200         Cursor                  cursor;
4201         unsigned int            shape; /* cursor style */
4202
4203         if (win == NULL)
4204                 return;
4205         r = win->ws->r;
4206
4207         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4208                 return;
4209
4210         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
4211             "transient: 0x%lx\n", win->id, YESNO(win->floating),
4212             win->transient);
4213
4214         if (!(win->transient != 0 || win->floating != 0))
4215                 return;
4216
4217         /* reject resizes in max mode for floaters (transient ok) */
4218         if (win->floatmaxed)
4219                 return;
4220
4221         win->manual = 1;
4222         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4223             _NET_WM_STATE_ADD);
4224
4225         stack();
4226
4227         switch (args->id) {
4228         case SWM_ARG_ID_WIDTHSHRINK:
4229                 WIDTH(win) -= SWM_RESIZE_STEPS;
4230                 resize_step = 1;
4231                 break;
4232         case SWM_ARG_ID_WIDTHGROW:
4233                 WIDTH(win) += SWM_RESIZE_STEPS;
4234                 resize_step = 1;
4235                 break;
4236         case SWM_ARG_ID_HEIGHTSHRINK:
4237                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4238                 resize_step = 1;
4239                 break;
4240         case SWM_ARG_ID_HEIGHTGROW:
4241                 HEIGHT(win) += SWM_RESIZE_STEPS;
4242                 resize_step = 1;
4243                 break;
4244         default:
4245                 break;
4246         }
4247         if (resize_step) {
4248                 constrain_window(win, r, 1);
4249                 update_window(win);
4250                 store_float_geom(win,r);
4251                 return;
4252         }
4253
4254         if (focus_mode == SWM_FOCUS_DEFAULT)
4255                 drain_enter_notify();
4256
4257         /* get cursor offset from window root */
4258         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4259             return;
4260
4261         g = win->g;
4262
4263         if (wx < WIDTH(win) / 2)
4264                 left = 1;
4265
4266         if (wy < HEIGHT(win) / 2)
4267                 top = 1;
4268
4269         if (args->id == SWM_ARG_ID_CENTER)
4270                 shape = XC_sizing;
4271         else if (top)
4272                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4273         else
4274                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4275
4276         cursor = XCreateFontCursor(display, shape);
4277
4278         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4279             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4280                 XFreeCursor(display, cursor);
4281                 return;
4282         }
4283
4284         do {
4285                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4286                     SubstructureRedirectMask, &ev);
4287                 switch (ev.type) {
4288                 case ConfigureRequest:
4289                 case Expose:
4290                 case MapRequest:
4291                         handler[ev.type](&ev);
4292                         break;
4293                 case MotionNotify:
4294                         /* cursor offset/delta from start of the operation */
4295                         dx = ev.xmotion.x_root - x;
4296                         dy = ev.xmotion.y_root - y;
4297
4298                         /* vertical */
4299                         if (top)
4300                                 dy = -dy;
4301
4302                         if (args->id == SWM_ARG_ID_CENTER) {
4303                                 if (g.h / 2 + dy < 1)
4304                                         dy = 1 - g.h / 2;
4305
4306                                 Y(win) = g.y - dy;
4307                                 HEIGHT(win) = g.h + 2 * dy;
4308                         } else {
4309                                 if (g.h + dy < 1)
4310                                         dy = 1 - g.h;
4311
4312                                 if (top)
4313                                         Y(win) = g.y - dy;
4314
4315                                 HEIGHT(win) = g.h + dy;
4316                         }
4317
4318                         /* horizontal */
4319                         if (left)
4320                                 dx = -dx;
4321
4322                         if (args->id == SWM_ARG_ID_CENTER) {
4323                                 if (g.w / 2 + dx < 1)
4324                                         dx = 1 - g.w / 2;
4325
4326                                 X(win) = g.x - dx;
4327                                 WIDTH(win) = g.w + 2 * dx;
4328                         } else {
4329                                 if (g.w + dx < 1)
4330                                         dx = 1 - g.w;
4331
4332                                 if (left)
4333                                         X(win) = g.x - dx;
4334
4335                                 WIDTH(win) = g.w + dx;
4336                         }
4337
4338                         constrain_window(win, r, 1);
4339
4340                         /* not free, don't sync more than 120 times / second */
4341                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4342                                 time = ev.xmotion.time;
4343                                 XSync(display, False);
4344                                 update_window(win);
4345                         }
4346                         break;
4347                 }
4348         } while (ev.type != ButtonRelease);
4349         if (time) {
4350                 XSync(display, False);
4351                 update_window(win);
4352         }
4353         store_float_geom(win,r);
4354
4355         XUngrabPointer(display, CurrentTime);
4356         XFreeCursor(display, cursor);
4357
4358         /* drain events */
4359         drain_enter_notify();
4360 }
4361
4362 void
4363 resize_step(struct swm_region *r, union arg *args)
4364 {
4365         struct ws_win           *win = NULL;
4366
4367         if (r && r->ws && r->ws->focus)
4368                 win = r->ws->focus;
4369         else
4370                 return;
4371
4372         resize(win, args);
4373 }
4374
4375 #define SWM_MOVE_STEPS  (50)
4376
4377 void
4378 move(struct ws_win *win, union arg *args)
4379 {
4380         XEvent                  ev;
4381         Time                    time = 0;
4382         int                     move_step = 0;
4383         struct swm_region       *r = NULL;
4384
4385         Window                  rr, cr;
4386         int                     x, y, wx, wy;
4387         unsigned int            mask;
4388
4389         if (win == NULL)
4390                 return;
4391         r = win->ws->r;
4392
4393         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4394                 return;
4395
4396         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4397             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4398
4399         /* in max_stack mode should only move transients */
4400         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4401                 return;
4402
4403         win->manual = 1;
4404         if (win->floating == 0 && !win->transient) {
4405                 store_float_geom(win, r);
4406                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4407                     _NET_WM_STATE_ADD);
4408         }
4409         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4410             _NET_WM_STATE_ADD);
4411
4412         stack();
4413
4414         move_step = 0;
4415         switch (args->id) {
4416         case SWM_ARG_ID_MOVELEFT:
4417                 X(win) -= (SWM_MOVE_STEPS - border_width);
4418                 move_step = 1;
4419                 break;
4420         case SWM_ARG_ID_MOVERIGHT:
4421                 X(win) += (SWM_MOVE_STEPS - border_width);
4422                 move_step = 1;
4423                 break;
4424         case SWM_ARG_ID_MOVEUP:
4425                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4426                 move_step = 1;
4427                 break;
4428         case SWM_ARG_ID_MOVEDOWN:
4429                 Y(win) += (SWM_MOVE_STEPS - border_width);
4430                 move_step = 1;
4431                 break;
4432         default:
4433                 break;
4434         }
4435         if (move_step) {
4436                 constrain_window(win, r, 0);
4437                 update_window(win);
4438                 store_float_geom(win, r);
4439                 return;
4440         }
4441
4442         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4443             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4444             CurrentTime) != GrabSuccess)
4445                 return;
4446
4447         /* get cursor offset from window root */
4448         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4449             return;
4450
4451         do {
4452                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4453                     SubstructureRedirectMask, &ev);
4454                 switch (ev.type) {
4455                 case ConfigureRequest:
4456                 case Expose:
4457                 case MapRequest:
4458                         handler[ev.type](&ev);
4459                         break;
4460                 case MotionNotify:
4461                         X(win) = ev.xmotion.x_root - wx - border_width;
4462                         Y(win) = ev.xmotion.y_root - wy - border_width;
4463
4464                         constrain_window(win, r, 0);
4465
4466                         /* not free, don't sync more than 120 times / second */
4467                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4468                                 time = ev.xmotion.time;
4469                                 XSync(display, False);
4470                                 update_window(win);
4471                         }
4472                         break;
4473                 }
4474         } while (ev.type != ButtonRelease);
4475         if (time) {
4476                 XSync(display, False);
4477                 update_window(win);
4478         }
4479         store_float_geom(win, r);
4480         XUngrabPointer(display, CurrentTime);
4481
4482         /* drain events */
4483         drain_enter_notify();
4484 }
4485
4486 void
4487 move_step(struct swm_region *r, union arg *args)
4488 {
4489         struct ws_win           *win = NULL;
4490
4491         if (r && r->ws && r->ws->focus)
4492                 win = r->ws->focus;
4493         else
4494                 return;
4495
4496         if (!(win->transient != 0 || win->floating != 0))
4497                 return;
4498
4499         move(win, args);
4500 }
4501
4502
4503 /* user/key callable function IDs */
4504 enum keyfuncid {
4505         kf_cycle_layout,
4506         kf_flip_layout,
4507         kf_stack_reset,
4508         kf_master_shrink,
4509         kf_master_grow,
4510         kf_master_add,
4511         kf_master_del,
4512         kf_stack_inc,
4513         kf_stack_dec,
4514         kf_swap_main,
4515         kf_focus_next,
4516         kf_focus_prev,
4517         kf_swap_next,
4518         kf_swap_prev,
4519         kf_quit,
4520         kf_restart,
4521         kf_focus_main,
4522         kf_ws_1,
4523         kf_ws_2,
4524         kf_ws_3,
4525         kf_ws_4,
4526         kf_ws_5,
4527         kf_ws_6,
4528         kf_ws_7,
4529         kf_ws_8,
4530         kf_ws_9,
4531         kf_ws_10,
4532         kf_ws_11,
4533         kf_ws_12,
4534         kf_ws_13,
4535         kf_ws_14,
4536         kf_ws_15,
4537         kf_ws_16,
4538         kf_ws_17,
4539         kf_ws_18,
4540         kf_ws_19,
4541         kf_ws_20,
4542         kf_ws_21,
4543         kf_ws_22,
4544         kf_ws_next,
4545         kf_ws_prev,
4546         kf_ws_next_all,
4547         kf_ws_prev_all,
4548         kf_ws_prior,
4549         kf_screen_next,
4550         kf_screen_prev,
4551         kf_mvws_1,
4552         kf_mvws_2,
4553         kf_mvws_3,
4554         kf_mvws_4,
4555         kf_mvws_5,
4556         kf_mvws_6,
4557         kf_mvws_7,
4558         kf_mvws_8,
4559         kf_mvws_9,
4560         kf_mvws_10,
4561         kf_mvws_11,
4562         kf_mvws_12,
4563         kf_mvws_13,
4564         kf_mvws_14,
4565         kf_mvws_15,
4566         kf_mvws_16,
4567         kf_mvws_17,
4568         kf_mvws_18,
4569         kf_mvws_19,
4570         kf_mvws_20,
4571         kf_mvws_21,
4572         kf_mvws_22,
4573         kf_bar_toggle,
4574         kf_wind_kill,
4575         kf_wind_del,
4576         kf_float_toggle,
4577         kf_version,
4578         kf_spawn_custom,
4579         kf_iconify,
4580         kf_uniconify,
4581         kf_raise_toggle,
4582         kf_button2,
4583         kf_width_shrink,
4584         kf_width_grow,
4585         kf_height_shrink,
4586         kf_height_grow,
4587         kf_move_left,
4588         kf_move_right,
4589         kf_move_up,
4590         kf_move_down,
4591         kf_name_workspace,
4592         kf_search_workspace,
4593         kf_search_win,
4594         kf_dumpwins, /* MUST BE LAST */
4595         kf_invalid
4596 };
4597
4598 /* key definitions */
4599 void
4600 dummykeyfunc(struct swm_region *r, union arg *args)
4601 {
4602 };
4603
4604 struct keyfunc {
4605         char                    name[SWM_FUNCNAME_LEN];
4606         void                    (*func)(struct swm_region *r, union arg *);
4607         union arg               args;
4608 } keyfuncs[kf_invalid + 1] = {
4609         /* name                 function        argument */
4610         { "cycle_layout",       cycle_layout,   {0} },
4611         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4612         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4613         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4614         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4615         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4616         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4617         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4618         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4619         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4620         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4621         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4622         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4623         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4624         { "quit",               quit,           {0} },
4625         { "restart",            restart,        {0} },
4626         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4627         { "ws_1",               switchws,       {.id = 0} },
4628         { "ws_2",               switchws,       {.id = 1} },
4629         { "ws_3",               switchws,       {.id = 2} },
4630         { "ws_4",               switchws,       {.id = 3} },
4631         { "ws_5",               switchws,       {.id = 4} },
4632         { "ws_6",               switchws,       {.id = 5} },
4633         { "ws_7",               switchws,       {.id = 6} },
4634         { "ws_8",               switchws,       {.id = 7} },
4635         { "ws_9",               switchws,       {.id = 8} },
4636         { "ws_10",              switchws,       {.id = 9} },
4637         { "ws_11",              switchws,       {.id = 10} },
4638         { "ws_12",              switchws,       {.id = 11} },
4639         { "ws_13",              switchws,       {.id = 12} },
4640         { "ws_14",              switchws,       {.id = 13} },
4641         { "ws_15",              switchws,       {.id = 14} },
4642         { "ws_16",              switchws,       {.id = 15} },
4643         { "ws_17",              switchws,       {.id = 16} },
4644         { "ws_18",              switchws,       {.id = 17} },
4645         { "ws_19",              switchws,       {.id = 18} },
4646         { "ws_20",              switchws,       {.id = 19} },
4647         { "ws_21",              switchws,       {.id = 20} },
4648         { "ws_22",              switchws,       {.id = 21} },
4649         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4650         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4651         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4652         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4653         { "ws_prior",           priorws,        {0} },
4654         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4655         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4656         { "mvws_1",             send_to_ws,     {.id = 0} },
4657         { "mvws_2",             send_to_ws,     {.id = 1} },
4658         { "mvws_3",             send_to_ws,     {.id = 2} },
4659         { "mvws_4",             send_to_ws,     {.id = 3} },
4660         { "mvws_5",             send_to_ws,     {.id = 4} },
4661         { "mvws_6",             send_to_ws,     {.id = 5} },
4662         { "mvws_7",             send_to_ws,     {.id = 6} },
4663         { "mvws_8",             send_to_ws,     {.id = 7} },
4664         { "mvws_9",             send_to_ws,     {.id = 8} },
4665         { "mvws_10",            send_to_ws,     {.id = 9} },
4666         { "mvws_11",            send_to_ws,     {.id = 10} },
4667         { "mvws_12",            send_to_ws,     {.id = 11} },
4668         { "mvws_13",            send_to_ws,     {.id = 12} },
4669         { "mvws_14",            send_to_ws,     {.id = 13} },
4670         { "mvws_15",            send_to_ws,     {.id = 14} },
4671         { "mvws_16",            send_to_ws,     {.id = 15} },
4672         { "mvws_17",            send_to_ws,     {.id = 16} },
4673         { "mvws_18",            send_to_ws,     {.id = 17} },
4674         { "mvws_19",            send_to_ws,     {.id = 18} },
4675         { "mvws_20",            send_to_ws,     {.id = 19} },
4676         { "mvws_21",            send_to_ws,     {.id = 20} },
4677         { "mvws_22",            send_to_ws,     {.id = 21} },
4678         { "bar_toggle",         bar_toggle,     {0} },
4679         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4680         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4681         { "float_toggle",       floating_toggle,{0} },
4682         { "version",            version,        {0} },
4683         { "spawn_custom",       dummykeyfunc,   {0} },
4684         { "iconify",            iconify,        {0} },
4685         { "uniconify",          uniconify,      {0} },
4686         { "raise_toggle",       raise_toggle,   {0} },
4687         { "button2",            pressbutton,    {2} },
4688         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4689         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4690         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4691         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4692         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4693         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4694         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4695         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4696         { "name_workspace",     name_workspace, {0} },
4697         { "search_workspace",   search_workspace,       {0} },
4698         { "search_win",         search_win,     {0} },
4699         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4700         { "invalid key func",   NULL,           {0} },
4701 };
4702 struct key {
4703         RB_ENTRY(key)           entry;
4704         unsigned int            mod;
4705         KeySym                  keysym;
4706         enum keyfuncid          funcid;
4707         char                    *spawn_name;
4708 };
4709 RB_HEAD(key_tree, key);
4710
4711 int
4712 key_cmp(struct key *kp1, struct key *kp2)
4713 {
4714         if (kp1->keysym < kp2->keysym)
4715                 return (-1);
4716         if (kp1->keysym > kp2->keysym)
4717                 return (1);
4718
4719         if (kp1->mod < kp2->mod)
4720                 return (-1);
4721         if (kp1->mod > kp2->mod)
4722                 return (1);
4723
4724         return (0);
4725 }
4726
4727 RB_GENERATE(key_tree, key, entry, key_cmp);
4728 struct key_tree                 keys;
4729
4730 /* mouse */
4731 enum { client_click, root_click };
4732 struct button {
4733         unsigned int            action;
4734         unsigned int            mask;
4735         unsigned int            button;
4736         void                    (*func)(struct ws_win *, union arg *);
4737         union arg               args;
4738 } buttons[] = {
4739           /* action     key             mouse button    func    args */
4740         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4741         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4742         { client_click, MODKEY,         Button1,        move,   {0} },
4743 };
4744
4745 void
4746 update_modkey(unsigned int mod)
4747 {
4748         int                     i;
4749         struct key              *kp;
4750
4751         mod_key = mod;
4752         RB_FOREACH(kp, key_tree, &keys)
4753                 if (kp->mod & ShiftMask)
4754                         kp->mod = mod | ShiftMask;
4755                 else
4756                         kp->mod = mod;
4757
4758         for (i = 0; i < LENGTH(buttons); i++)
4759                 if (buttons[i].mask & ShiftMask)
4760                         buttons[i].mask = mod | ShiftMask;
4761                 else
4762                         buttons[i].mask = mod;
4763 }
4764
4765 /* spawn */
4766 struct spawn_prog {
4767         TAILQ_ENTRY(spawn_prog) entry;
4768         char                    *name;
4769         int                     argc;
4770         char                    **argv;
4771 };
4772 TAILQ_HEAD(spawn_list, spawn_prog);
4773 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4774
4775 int
4776 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4777     char ***ret_args)
4778 {
4779         struct spawn_prog       *prog = NULL;
4780         int                     i;
4781         char                    *ap, **real_args;
4782
4783         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4784
4785         /* find program */
4786         TAILQ_FOREACH(prog, &spawns, entry) {
4787                 if (!strcasecmp(spawn_name, prog->name))
4788                         break;
4789         }
4790         if (prog == NULL) {
4791                 warnx("spawn_custom: program %s not found", spawn_name);
4792                 return (-1);
4793         }
4794
4795         /* make room for expanded args */
4796         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4797                 err(1, "spawn_custom: calloc real_args");
4798
4799         /* expand spawn_args into real_args */
4800         for (i = 0; i < prog->argc; i++) {
4801                 ap = prog->argv[i];
4802                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4803                 if (!strcasecmp(ap, "$bar_border")) {
4804                         if ((real_args[i] =
4805                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4806                             == NULL)
4807                                 err(1,  "spawn_custom border color");
4808                 } else if (!strcasecmp(ap, "$bar_color")) {
4809                         if ((real_args[i] =
4810                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4811                             == NULL)
4812                                 err(1, "spawn_custom bar color");
4813                 } else if (!strcasecmp(ap, "$bar_font")) {
4814                         if ((real_args[i] = strdup(bar_fonts))
4815                             == NULL)
4816                                 err(1, "spawn_custom bar fonts");
4817                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4818                         if ((real_args[i] =
4819                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4820                             == NULL)
4821                                 err(1, "spawn_custom color font");
4822                 } else if (!strcasecmp(ap, "$color_focus")) {
4823                         if ((real_args[i] =
4824                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4825                             == NULL)
4826                                 err(1, "spawn_custom color focus");
4827                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4828                         if ((real_args[i] =
4829                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4830                             == NULL)
4831                                 err(1, "spawn_custom color unfocus");
4832                 } else {
4833                         /* no match --> copy as is */
4834                         if ((real_args[i] = strdup(ap)) == NULL)
4835                                 err(1, "spawn_custom strdup(ap)");
4836                 }
4837                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4838                     real_args[i]);
4839         }
4840
4841 #ifdef SWM_DEBUG
4842         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4843         for (i = 0; i < prog->argc; i++)
4844                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4845         DNPRINTF(SWM_D_SPAWN, "\n");
4846 #endif
4847         *ret_args = real_args;
4848         return (prog->argc);
4849 }
4850
4851 void
4852 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4853 {
4854         union arg               a;
4855         char                    **real_args;
4856         int                     spawn_argc, i;
4857
4858         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4859                 return;
4860         a.argv = real_args;
4861         if (fork() == 0)
4862                 spawn(r->ws->idx, &a, 1);
4863
4864         for (i = 0; i < spawn_argc; i++)
4865                 free(real_args[i]);
4866         free(real_args);
4867 }
4868
4869 void
4870 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4871 {
4872         union arg               a;
4873         char                    **real_args;
4874         int                     i, spawn_argc;
4875
4876         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4877                 return;
4878         a.argv = real_args;
4879
4880         if (pipe(select_list_pipe) == -1)
4881                 err(1, "pipe error");
4882         if (pipe(select_resp_pipe) == -1)
4883                 err(1, "pipe error");
4884
4885         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4886                 err(1, "could not disable SIGPIPE");
4887         switch (*pid = fork()) {
4888         case -1:
4889                 err(1, "cannot fork");
4890                 break;
4891         case 0: /* child */
4892                 if (dup2(select_list_pipe[0], 0) == -1)
4893                         err(1, "dup2");
4894                 if (dup2(select_resp_pipe[1], 1) == -1)
4895                         err(1, "dup2");
4896                 close(select_list_pipe[1]);
4897                 close(select_resp_pipe[0]);
4898                 spawn(r->ws->idx, &a, 0);
4899                 break;
4900         default: /* parent */
4901                 close(select_list_pipe[0]);
4902                 close(select_resp_pipe[1]);
4903                 break;
4904         }
4905
4906         for (i = 0; i < spawn_argc; i++)
4907                 free(real_args[i]);
4908         free(real_args);
4909 }
4910
4911 void
4912 spawn_insert(char *name, char *args)
4913 {
4914         char                    *arg, *cp, *ptr;
4915         struct spawn_prog       *sp;
4916
4917         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4918
4919         if ((sp = calloc(1, sizeof *sp)) == NULL)
4920                 err(1, "spawn_insert: malloc");
4921         if ((sp->name = strdup(name)) == NULL)
4922                 err(1, "spawn_insert: strdup");
4923
4924         /* convert the arguments to an argument list */
4925         if ((ptr = cp = strdup(args)) == NULL)
4926                 err(1, "spawn_insert: strdup");
4927         while ((arg = strsep(&ptr, " \t")) != NULL) {
4928                 /* empty field; skip it */
4929                 if (*arg == '\0')
4930                         continue;
4931
4932                 sp->argc++;
4933                 if ((sp->argv = realloc(sp->argv, sp->argc *
4934                     sizeof *sp->argv)) == NULL)
4935                         err(1, "spawn_insert: realloc");
4936                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4937                         err(1, "spawn_insert: strdup");
4938         }
4939         free(cp);
4940
4941         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4942         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4943 }
4944
4945 void
4946 spawn_remove(struct spawn_prog *sp)
4947 {
4948         int                     i;
4949
4950         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4951
4952         TAILQ_REMOVE(&spawns, sp, entry);
4953         for (i = 0; i < sp->argc; i++)
4954                 free(sp->argv[i]);
4955         free(sp->argv);
4956         free(sp->name);
4957         free(sp);
4958
4959         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
4960 }
4961
4962 void
4963 spawn_replace(struct spawn_prog *sp, char *name, char *args)
4964 {
4965         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
4966
4967         spawn_remove(sp);
4968         spawn_insert(name, args);
4969
4970         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
4971 }
4972
4973 void
4974 setspawn(char *name, char *args)
4975 {
4976         struct spawn_prog       *sp;
4977
4978         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
4979
4980         if (name == NULL)
4981                 return;
4982
4983         TAILQ_FOREACH(sp, &spawns, entry) {
4984                 if (!strcmp(sp->name, name)) {
4985                         if (*args == '\0')
4986                                 spawn_remove(sp);
4987                         else
4988                                 spawn_replace(sp, name, args);
4989                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4990                         return;
4991                 }
4992         }
4993         if (*args == '\0') {
4994                 warnx("error: setspawn: cannot find program: %s", name);
4995                 return;
4996         }
4997
4998         spawn_insert(name, args);
4999         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5000 }
5001
5002 int
5003 setconfspawn(char *selector, char *value, int flags)
5004 {
5005         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5006
5007         setspawn(selector, value);
5008
5009         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5010         return (0);
5011 }
5012
5013 void
5014 setup_spawn(void)
5015 {
5016         setconfspawn("term",            "xterm",                0);
5017         setconfspawn("spawn_term",      "xterm",                0);
5018         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5019         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5020         setconfspawn("lock",            "xlock",                0);
5021         setconfspawn("initscr",         "initscreen.sh",        0);
5022         setconfspawn("menu",            "dmenu_run"
5023                                         " -fn $bar_font"
5024                                         " -nb $bar_color"
5025                                         " -nf $bar_font_color"
5026                                         " -sb $bar_border"
5027                                         " -sf $bar_color",      0);
5028         setconfspawn("search",          "dmenu"
5029                                         " -i"
5030                                         " -fn $bar_font"
5031                                         " -nb $bar_color"
5032                                         " -nf $bar_font_color"
5033                                         " -sb $bar_border"
5034                                         " -sf $bar_color",      0);
5035         setconfspawn("name_workspace",  "dmenu"
5036                                         " -p Workspace"
5037                                         " -fn $bar_font"
5038                                         " -nb $bar_color"
5039                                         " -nf $bar_font_color"
5040                                         " -sb $bar_border"
5041                                         " -sf $bar_color",      0);
5042 }
5043
5044 /* key bindings */
5045 #define SWM_MODNAME_SIZE        32
5046 #define SWM_KEY_WS              "\n+ \t"
5047 int
5048 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5049 {
5050         char                    *cp, *name;
5051         KeySym                  uks;
5052         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5053         if (mod == NULL || ks == NULL) {
5054                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5055                 return (1);
5056         }
5057         if (keystr == NULL || strlen(keystr) == 0) {
5058                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5059                 return (1);
5060         }
5061         cp = keystr;
5062         *ks = NoSymbol;
5063         *mod = 0;
5064         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5065                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5066                 if (cp)
5067                         cp += (long)strspn(cp, SWM_KEY_WS);
5068                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5069                         *mod |= currmod;
5070                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5071                         *mod |= Mod1Mask;
5072                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5073                         *mod += Mod2Mask;
5074                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5075                         *mod |= Mod3Mask;
5076                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5077                         *mod |= Mod4Mask;
5078                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5079                         *mod |= ShiftMask;
5080                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5081                         *mod |= ControlMask;
5082                 else {
5083                         *ks = XStringToKeysym(name);
5084                         XConvertCase(*ks, ks, &uks);
5085                         if (ks == NoSymbol) {
5086                                 DNPRINTF(SWM_D_KEY,
5087                                     "parsekeys: invalid key %s\n",
5088                                     name);
5089                                 return (1);
5090                         }
5091                 }
5092         }
5093         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5094         return (0);
5095 }
5096
5097 char *
5098 strdupsafe(char *str)
5099 {
5100         if (str == NULL)
5101                 return (NULL);
5102         else
5103                 return (strdup(str));
5104 }
5105
5106 void
5107 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5108 {
5109         struct key              *kp;
5110
5111         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5112             keyfuncs[kfid].name, spawn_name);
5113
5114         if ((kp = malloc(sizeof *kp)) == NULL)
5115                 err(1, "key_insert: malloc");
5116
5117         kp->mod = mod;
5118         kp->keysym = ks;
5119         kp->funcid = kfid;
5120         kp->spawn_name = strdupsafe(spawn_name);
5121         RB_INSERT(key_tree, &keys, kp);
5122
5123         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5124 }
5125
5126 struct key *
5127 key_lookup(unsigned int mod, KeySym ks)
5128 {
5129         struct key              kp;
5130
5131         kp.keysym = ks;
5132         kp.mod = mod;
5133
5134         return (RB_FIND(key_tree, &keys, &kp));
5135 }
5136
5137 void
5138 key_remove(struct key *kp)
5139 {
5140         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5141
5142         RB_REMOVE(key_tree, &keys, kp);
5143         free(kp->spawn_name);
5144         free(kp);
5145
5146         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5147 }
5148
5149 void
5150 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5151     char *spawn_name)
5152 {
5153         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5154             spawn_name);
5155
5156         key_remove(kp);
5157         key_insert(mod, ks, kfid, spawn_name);
5158
5159         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5160 }
5161
5162 void
5163 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5164     char *spawn_name)
5165 {
5166         struct key              *kp;
5167
5168         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5169             keyfuncs[kfid].name, spawn_name);
5170
5171         if ((kp = key_lookup(mod, ks)) != NULL) {
5172                 if (kfid == kf_invalid)
5173                         key_remove(kp);
5174                 else
5175                         key_replace(kp, mod, ks, kfid, spawn_name);
5176                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5177                 return;
5178         }
5179         if (kfid == kf_invalid) {
5180                 warnx("error: setkeybinding: cannot find mod/key combination");
5181                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5182                 return;
5183         }
5184
5185         key_insert(mod, ks, kfid, spawn_name);
5186         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5187 }
5188
5189 int
5190 setconfbinding(char *selector, char *value, int flags)
5191 {
5192         enum keyfuncid          kfid;
5193         unsigned int            mod;
5194         KeySym                  ks;
5195         struct spawn_prog       *sp;
5196         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5197         if (selector == NULL) {
5198                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5199                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5200                         kfid = kf_invalid;
5201                         setkeybinding(mod, ks, kfid, NULL);
5202                         return (0);
5203                 } else
5204                         return (1);
5205         }
5206         /* search by key function name */
5207         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5208                 if (strncasecmp(selector, keyfuncs[kfid].name,
5209                     SWM_FUNCNAME_LEN) == 0) {
5210                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5211                             selector);
5212                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5213                                 setkeybinding(mod, ks, kfid, NULL);
5214                                 return (0);
5215                         } else
5216                                 return (1);
5217                 }
5218         }
5219         /* search by custom spawn name */
5220         TAILQ_FOREACH(sp, &spawns, entry) {
5221                 if (strcasecmp(selector, sp->name) == 0) {
5222                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5223                             selector);
5224                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5225                                 setkeybinding(mod, ks, kf_spawn_custom,
5226                                     sp->name);
5227                                 return (0);
5228                         } else
5229                                 return (1);
5230                 }
5231         }
5232         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5233         return (1);
5234 }
5235
5236 void
5237 setup_keys(void)
5238 {
5239         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5240         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5241         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5242         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5243         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5244         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5245         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5246         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5247         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5248         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5249         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5250         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5251         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5252         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5253         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5254         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5255         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5256         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5257         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5258         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5259         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5260         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5261         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5262         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5263         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5264         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5265         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5266         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5267         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5268         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5269         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5270         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5271         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5272         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5273         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5274         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5275         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5276         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5277         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5278         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5279         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5280         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5281         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5282         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5283         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5284         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5285         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5286         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5287         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5288         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5289         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5290         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5291         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5292         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5293         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5294         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5295         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5296         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5297         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5298         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5299         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5300         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5301         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5302         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5303         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5304         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5305         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5306         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5307         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5308         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5309         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5310         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5311         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5312         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5313         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5314         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5315         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5316         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5317         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5318         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5319         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5320         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5321         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5322         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5323         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5324         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5325         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5326         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5327         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5328         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5329         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5330         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5331         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5332         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5333         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5334         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5335 #ifdef SWM_DEBUG
5336         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5337 #endif
5338 }
5339
5340 void
5341 clear_keys(void)
5342 {
5343         struct key              *kp;
5344
5345         while (RB_EMPTY(&keys) == 0) {
5346                 kp = RB_ROOT(&keys);
5347                 key_remove(kp);
5348         }
5349 }
5350
5351 int
5352 setkeymapping(char *selector, char *value, int flags)
5353 {
5354         char                    keymapping_file[PATH_MAX];
5355         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5356         if (value[0] == '~')
5357                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5358                     pwd->pw_dir, &value[1]);
5359         else
5360                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5361         clear_keys();
5362         /* load new key bindings; if it fails, revert to default bindings */
5363         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5364                 clear_keys();
5365                 setup_keys();
5366         }
5367         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5368         return (0);
5369 }
5370
5371 void
5372 updatenumlockmask(void)
5373 {
5374         unsigned int            i, j;
5375         XModifierKeymap         *modmap;
5376
5377         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5378         numlockmask = 0;
5379         modmap = XGetModifierMapping(display);
5380         for (i = 0; i < 8; i++)
5381                 for (j = 0; j < modmap->max_keypermod; j++)
5382                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5383                             == XKeysymToKeycode(display, XK_Num_Lock))
5384                                 numlockmask = (1 << i);
5385
5386         XFreeModifiermap(modmap);
5387 }
5388
5389 void
5390 grabkeys(void)
5391 {
5392         int                     num_screens;
5393         unsigned int            j, k;
5394         KeyCode                 code;
5395         unsigned int            modifiers[] =
5396             { 0, LockMask, numlockmask, numlockmask | LockMask };
5397         struct key              *kp;
5398
5399         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5400         updatenumlockmask();
5401
5402         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5403         for (k = 0; k < num_screens; k++) {
5404                 if (TAILQ_EMPTY(&screens[k].rl))
5405                         continue;
5406                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
5407                 RB_FOREACH(kp, key_tree, &keys) {
5408                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5409                                 for (j = 0; j < LENGTH(modifiers); j++)
5410                                         XGrabKey(display, code,
5411                                             kp->mod | modifiers[j],
5412                                             screens[k].root, True,
5413                                             GrabModeAsync, GrabModeAsync);
5414                 }
5415         }
5416 }
5417
5418 void
5419 grabbuttons(struct ws_win *win, int focused)
5420 {
5421         unsigned int            i, j;
5422         unsigned int            modifiers[] =
5423             { 0, LockMask, numlockmask, numlockmask|LockMask };
5424
5425         updatenumlockmask();
5426         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5427                 XCB_BUTTON_MASK_ANY);
5428         if (focused) {
5429                 for (i = 0; i < LENGTH(buttons); i++)
5430                         if (buttons[i].action == client_click)
5431                                 for (j = 0; j < LENGTH(modifiers); j++)
5432                                         xcb_grab_button(conn, False, win->id,
5433                                                 BUTTONMASK,
5434                                                 XCB_GRAB_MODE_ASYNC,
5435                                                 XCB_GRAB_MODE_SYNC,
5436                                                 XCB_WINDOW_NONE,
5437                                                 XCB_CURSOR_NONE,
5438                                                 buttons[i].button,
5439                                                 buttons[i].mask);
5440         } else
5441                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5442                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5443                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5444                         XCB_BUTTON_MASK_ANY);
5445 }
5446
5447 const char *quirkname[] = {
5448         "NONE",         /* config string for "no value" */
5449         "FLOAT",
5450         "TRANSSZ",
5451         "ANYWHERE",
5452         "XTERM_FONTADJ",
5453         "FULLSCREEN",
5454         "FOCUSPREV",
5455 };
5456
5457 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5458 #define SWM_Q_WS                "\n|+ \t"
5459 int
5460 parsequirks(char *qstr, unsigned long *quirk)
5461 {
5462         char                    *cp, *name;
5463         int                     i;
5464
5465         if (quirk == NULL)
5466                 return (1);
5467
5468         cp = qstr;
5469         *quirk = 0;
5470         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5471                 if (cp)
5472                         cp += (long)strspn(cp, SWM_Q_WS);
5473                 for (i = 0; i < LENGTH(quirkname); i++) {
5474                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5475                                 DNPRINTF(SWM_D_QUIRK,
5476                                     "parsequirks: %s\n", name);
5477                                 if (i == 0) {
5478                                         *quirk = 0;
5479                                         return (0);
5480                                 }
5481                                 *quirk |= 1 << (i-1);
5482                                 break;
5483                         }
5484                 }
5485                 if (i >= LENGTH(quirkname)) {
5486                         DNPRINTF(SWM_D_QUIRK,
5487                             "parsequirks: invalid quirk [%s]\n", name);
5488                         return (1);
5489                 }
5490         }
5491         return (0);
5492 }
5493
5494 void
5495 quirk_insert(const char *class, const char *name, unsigned long quirk)
5496 {
5497         struct quirk            *qp;
5498
5499         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5500             quirk);
5501
5502         if ((qp = malloc(sizeof *qp)) == NULL)
5503                 err(1, "quirk_insert: malloc");
5504         if ((qp->class = strdup(class)) == NULL)
5505                 err(1, "quirk_insert: strdup");
5506         if ((qp->name = strdup(name)) == NULL)
5507                 err(1, "quirk_insert: strdup");
5508
5509         qp->quirk = quirk;
5510         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5511
5512         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5513 }
5514
5515 void
5516 quirk_remove(struct quirk *qp)
5517 {
5518         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5519             qp->name, qp->quirk);
5520
5521         TAILQ_REMOVE(&quirks, qp, entry);
5522         free(qp->class);
5523         free(qp->name);
5524         free(qp);
5525
5526         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5527 }
5528
5529 void
5530 quirk_replace(struct quirk *qp, const char *class, const char *name,
5531     unsigned long quirk)
5532 {
5533         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5534             qp->name, qp->quirk);
5535
5536         quirk_remove(qp);
5537         quirk_insert(class, name, quirk);
5538
5539         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5540 }
5541
5542 void
5543 setquirk(const char *class, const char *name, unsigned long quirk)
5544 {
5545         struct quirk            *qp;
5546
5547         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5548            quirk);
5549
5550         TAILQ_FOREACH(qp, &quirks, entry) {
5551                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5552                         if (!quirk)
5553                                 quirk_remove(qp);
5554                         else
5555                                 quirk_replace(qp, class, name, quirk);
5556                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5557                         return;
5558                 }
5559         }
5560         if (!quirk) {
5561                 warnx("error: setquirk: cannot find class/name combination");
5562                 return;
5563         }
5564
5565         quirk_insert(class, name, quirk);
5566         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5567 }
5568
5569 int
5570 setconfquirk(char *selector, char *value, int flags)
5571 {
5572         char                    *cp, *class, *name;
5573         int                     retval;
5574         unsigned long           quirks;
5575         if (selector == NULL)
5576                 return (0);
5577         if ((cp = strchr(selector, ':')) == NULL)
5578                 return (0);
5579         *cp = '\0';
5580         class = selector;
5581         name = cp + 1;
5582         if ((retval = parsequirks(value, &quirks)) == 0)
5583                 setquirk(class, name, quirks);
5584         return (retval);
5585 }
5586
5587 void
5588 setup_quirks(void)
5589 {
5590         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5591         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5592         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5593         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5594         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5595         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5596         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5597         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5598         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5599         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5600         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5601         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5602         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5603 }
5604
5605 /* conf file stuff */
5606 #define SWM_CONF_FILE           "spectrwm.conf"
5607 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5608
5609 enum {
5610         SWM_S_BAR_ACTION,
5611         SWM_S_BAR_AT_BOTTOM,
5612         SWM_S_BAR_BORDER_WIDTH,
5613         SWM_S_BAR_DELAY,
5614         SWM_S_BAR_ENABLED,
5615         SWM_S_BAR_FONT,
5616         SWM_S_BAR_FORMAT,
5617         SWM_S_BAR_JUSTIFY,
5618         SWM_S_BORDER_WIDTH,
5619         SWM_S_CLOCK_ENABLED,
5620         SWM_S_CLOCK_FORMAT,
5621         SWM_S_CYCLE_EMPTY,
5622         SWM_S_CYCLE_VISIBLE,
5623         SWM_S_DIALOG_RATIO,
5624         SWM_S_DISABLE_BORDER,
5625         SWM_S_FOCUS_CLOSE,
5626         SWM_S_FOCUS_CLOSE_WRAP,
5627         SWM_S_FOCUS_DEFAULT,
5628         SWM_S_FOCUS_MODE,
5629         SWM_S_SPAWN_ORDER,
5630         SWM_S_SPAWN_TERM,
5631         SWM_S_SS_APP,
5632         SWM_S_SS_ENABLED,
5633         SWM_S_STACK_ENABLED,
5634         SWM_S_TERM_WIDTH,
5635         SWM_S_TITLE_CLASS_ENABLED,
5636         SWM_S_TITLE_NAME_ENABLED,
5637         SWM_S_URGENT_ENABLED,
5638         SWM_S_VERBOSE_LAYOUT,
5639         SWM_S_WINDOW_NAME_ENABLED,
5640         SWM_S_WORKSPACE_LIMIT
5641 };
5642
5643 int
5644 setconfvalue(char *selector, char *value, int flags)
5645 {
5646         int     i;
5647         char    *b;
5648
5649         switch (flags) {
5650         case SWM_S_BAR_ACTION:
5651                 free(bar_argv[0]);
5652                 if ((bar_argv[0] = strdup(value)) == NULL)
5653                         err(1, "setconfvalue: bar_action");
5654                 break;
5655         case SWM_S_BAR_AT_BOTTOM:
5656                 bar_at_bottom = atoi(value);
5657                 break;
5658         case SWM_S_BAR_BORDER_WIDTH:
5659                 bar_border_width = atoi(value);
5660                 if (bar_border_width < 0)
5661                         bar_border_width = 0;
5662                 break;
5663         case SWM_S_BAR_DELAY:
5664                 bar_delay = atoi(value);
5665                 break;
5666         case SWM_S_BAR_ENABLED:
5667                 bar_enabled = atoi(value);
5668                 break;
5669         case SWM_S_BAR_FONT:
5670                 b = bar_fonts;
5671                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5672                         err(1, "setconfvalue: asprintf: failed to allocate "
5673                                 "memory for bar_fonts.");
5674
5675                 free(b);
5676                 break;
5677         case SWM_S_BAR_FORMAT:
5678                 free(bar_format);
5679                 if ((bar_format = strdup(value)) == NULL)
5680                         err(1, "setconfvalue: bar_format");
5681                 break;
5682         case SWM_S_BAR_JUSTIFY:
5683                 if (!strcmp(value, "left"))
5684                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5685                 else if (!strcmp(value, "center"))
5686                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5687                 else if (!strcmp(value, "right"))
5688                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5689                 else
5690                         errx(1, "invalid bar_justify");
5691                 break;
5692         case SWM_S_BORDER_WIDTH:
5693                 border_width = atoi(value);
5694                 if (border_width < 0)
5695                         border_width = 0;
5696                 break;
5697         case SWM_S_CLOCK_ENABLED:
5698                 clock_enabled = atoi(value);
5699                 break;
5700         case SWM_S_CLOCK_FORMAT:
5701 #ifndef SWM_DENY_CLOCK_FORMAT
5702                 free(clock_format);
5703                 if ((clock_format = strdup(value)) == NULL)
5704                         err(1, "setconfvalue: clock_format");
5705 #endif
5706                 break;
5707         case SWM_S_CYCLE_EMPTY:
5708                 cycle_empty = atoi(value);
5709                 break;
5710         case SWM_S_CYCLE_VISIBLE:
5711                 cycle_visible = atoi(value);
5712                 break;
5713         case SWM_S_DIALOG_RATIO:
5714                 dialog_ratio = atof(value);
5715                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5716                         dialog_ratio = .6;
5717                 break;
5718         case SWM_S_DISABLE_BORDER:
5719                 disable_border = atoi(value);
5720                 break;
5721         case SWM_S_FOCUS_CLOSE:
5722                 if (!strcmp(value, "first"))
5723                         focus_close = SWM_STACK_BOTTOM;
5724                 else if (!strcmp(value, "last"))
5725                         focus_close = SWM_STACK_TOP;
5726                 else if (!strcmp(value, "next"))
5727                         focus_close = SWM_STACK_ABOVE;
5728                 else if (!strcmp(value, "previous"))
5729                         focus_close = SWM_STACK_BELOW;
5730                 else
5731                         errx(1, "focus_close");
5732                 break;
5733         case SWM_S_FOCUS_CLOSE_WRAP:
5734                 focus_close_wrap = atoi(value);
5735                 break;
5736         case SWM_S_FOCUS_DEFAULT:
5737                 if (!strcmp(value, "last"))
5738                         focus_default = SWM_STACK_TOP;
5739                 else if (!strcmp(value, "first"))
5740                         focus_default = SWM_STACK_BOTTOM;
5741                 else
5742                         errx(1, "focus_default");
5743                 break;
5744         case SWM_S_FOCUS_MODE:
5745                 if (!strcmp(value, "default"))
5746                         focus_mode = SWM_FOCUS_DEFAULT;
5747                 else if (!strcmp(value, "follow_cursor"))
5748                         focus_mode = SWM_FOCUS_FOLLOW;
5749                 else if (!strcmp(value, "synergy"))
5750                         focus_mode = SWM_FOCUS_SYNERGY;
5751                 else
5752                         errx(1, "focus_mode");
5753                 break;
5754         case SWM_S_SPAWN_ORDER:
5755                 if (!strcmp(value, "first"))
5756                         spawn_position = SWM_STACK_BOTTOM;
5757                 else if (!strcmp(value, "last"))
5758                         spawn_position = SWM_STACK_TOP;
5759                 else if (!strcmp(value, "next"))
5760                         spawn_position = SWM_STACK_ABOVE;
5761                 else if (!strcmp(value, "previous"))
5762                         spawn_position = SWM_STACK_BELOW;
5763                 else
5764                         errx(1, "spawn_position");
5765                 break;
5766         case SWM_S_SPAWN_TERM:
5767                 setconfspawn("term", value, 0);
5768                 setconfspawn("spawn_term", value, 0);
5769                 break;
5770         case SWM_S_SS_APP:
5771                 break;
5772         case SWM_S_SS_ENABLED:
5773                 ss_enabled = atoi(value);
5774                 break;
5775         case SWM_S_STACK_ENABLED:
5776                 stack_enabled = atoi(value);
5777                 break;
5778         case SWM_S_TERM_WIDTH:
5779                 term_width = atoi(value);
5780                 if (term_width < 0)
5781                         term_width = 0;
5782                 break;
5783         case SWM_S_TITLE_CLASS_ENABLED:
5784                 title_class_enabled = atoi(value);
5785                 break;
5786         case SWM_S_TITLE_NAME_ENABLED:
5787                 title_name_enabled = atoi(value);
5788                 break;
5789         case SWM_S_URGENT_ENABLED:
5790                 urgent_enabled = atoi(value);
5791                 break;
5792         case SWM_S_VERBOSE_LAYOUT:
5793                 verbose_layout = atoi(value);
5794                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5795                         if (verbose_layout)
5796                                 layouts[i].l_string = fancy_stacker;
5797                         else
5798                                 layouts[i].l_string = plain_stacker;
5799                 }
5800                 break;
5801         case SWM_S_WINDOW_NAME_ENABLED:
5802                 window_name_enabled = atoi(value);
5803                 break;
5804         case SWM_S_WORKSPACE_LIMIT:
5805                 workspace_limit = atoi(value);
5806                 if (workspace_limit > SWM_WS_MAX)
5807                         workspace_limit = SWM_WS_MAX;
5808                 else if (workspace_limit < 1)
5809                         workspace_limit = 1;
5810                 break;
5811         default:
5812                 return (1);
5813         }
5814         return (0);
5815 }
5816
5817 int
5818 setconfmodkey(char *selector, char *value, int flags)
5819 {
5820         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5821                 update_modkey(Mod1Mask);
5822         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5823                 update_modkey(Mod2Mask);
5824         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5825                 update_modkey(Mod3Mask);
5826         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5827                 update_modkey(Mod4Mask);
5828         else
5829                 return (1);
5830         return (0);
5831 }
5832
5833 int
5834 setconfcolor(char *selector, char *value, int flags)
5835 {
5836         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5837         return (0);
5838 }
5839
5840 int
5841 setconfregion(char *selector, char *value, int flags)
5842 {
5843         custom_region(value);
5844         return (0);
5845 }
5846
5847 int
5848 setautorun(char *selector, char *value, int flags)
5849 {
5850         int                     ws_id;
5851         char                    s[1024];
5852         char                    *ap, *sp = s;
5853         union arg               a;
5854         int                     argc = 0;
5855         long                    pid;
5856         struct pid_e            *p;
5857
5858         if (getenv("SWM_STARTED"))
5859                 return (0);
5860
5861         bzero(s, sizeof s);
5862         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5863                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5864         ws_id--;
5865         if (ws_id < 0 || ws_id >= workspace_limit)
5866                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5867
5868         /*
5869          * This is a little intricate
5870          *
5871          * If the pid already exists we simply reuse it because it means it was
5872          * used before AND not claimed by manage_window.  We get away with
5873          * altering it in the parent after INSERT because this can not be a race
5874          */
5875         a.argv = NULL;
5876         while ((ap = strsep(&sp, " \t")) != NULL) {
5877                 if (*ap == '\0')
5878                         continue;
5879                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5880                 argc++;
5881                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5882                         err(1, "setautorun: realloc");
5883                 a.argv[argc - 1] = ap;
5884         }
5885
5886         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5887                 err(1, "setautorun: realloc");
5888         a.argv[argc] = NULL;
5889
5890         if ((pid = fork()) == 0) {
5891                 spawn(ws_id, &a, 1);
5892                 /* NOTREACHED */
5893                 _exit(1);
5894         }
5895         free(a.argv);
5896
5897         /* parent */
5898         p = find_pid(pid);
5899         if (p == NULL) {
5900                 p = calloc(1, sizeof *p);
5901                 if (p == NULL)
5902                         return (1);
5903                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5904         }
5905
5906         p->pid = pid;
5907         p->ws = ws_id;
5908
5909         return (0);
5910 }
5911
5912 int
5913 setlayout(char *selector, char *value, int flags)
5914 {
5915         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5916         int                     st = SWM_V_STACK, num_screens;
5917         char                    s[1024];
5918         struct workspace        *ws;
5919
5920         if (getenv("SWM_STARTED"))
5921                 return (0);
5922
5923         bzero(s, sizeof s);
5924         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5925             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5926                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5927                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5928                     "<type>'");
5929         ws_id--;
5930         if (ws_id < 0 || ws_id >= workspace_limit)
5931                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5932
5933         if (!strcasecmp(s, "vertical"))
5934                 st = SWM_V_STACK;
5935         else if (!strcasecmp(s, "vertical_flip")) {
5936                 st = SWM_V_STACK;
5937                 f = 1;
5938         } else if (!strcasecmp(s, "horizontal"))
5939                 st = SWM_H_STACK;
5940         else if (!strcasecmp(s, "horizontal_flip")) {
5941                 st = SWM_H_STACK;
5942                 f = 1;
5943         } else if (!strcasecmp(s, "fullscreen"))
5944                 st = SWM_MAX_STACK;
5945         else
5946                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5947                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5948                     "<type>'");
5949
5950         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5951         for (i = 0; i < num_screens; i++) {
5952                 ws = (struct workspace *)&screens[i].ws;
5953                 ws[ws_id].cur_layout = &layouts[st];
5954
5955                 ws[ws_id].always_raise = raise;
5956                 if (st == SWM_MAX_STACK)
5957                         continue;
5958
5959                 /* master grow */
5960                 for (x = 0; x < abs(mg); x++) {
5961                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5962                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5963                             SWM_ARG_ID_MASTERSHRINK);
5964                         stack();
5965                 }
5966                 /* master add */
5967                 for (x = 0; x < abs(ma); x++) {
5968                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5969                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5970                             SWM_ARG_ID_MASTERDEL);
5971                         stack();
5972                 }
5973                 /* stack inc */
5974                 for (x = 0; x < abs(si); x++) {
5975                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5976                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5977                             SWM_ARG_ID_STACKDEC);
5978                         stack();
5979                 }
5980                 /* Apply flip */
5981                 if (f) {
5982                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5983                             SWM_ARG_ID_FLIPLAYOUT);
5984                         stack();
5985                 }
5986         }
5987
5988         return (0);
5989 }
5990
5991 /* config options */
5992 struct config_option {
5993         char                    *optname;
5994         int                     (*func)(char*, char*, int);
5995         int                     funcflags;
5996 };
5997 struct config_option configopt[] = {
5998         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5999         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6000         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6001         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6002         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6003         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6004         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6005         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6006         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6007         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6008         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6009         { "keyboard_mapping",           setkeymapping,  0 },
6010         { "bind",                       setconfbinding, 0 },
6011         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6012         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6013         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6014         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6015         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6016         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6017         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6018         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6019         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6020         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6021         { "modkey",                     setconfmodkey,  0 },
6022         { "program",                    setconfspawn,   0 },
6023         { "quirk",                      setconfquirk,   0 },
6024         { "region",                     setconfregion,  0 },
6025         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6026         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6027         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6028         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6029         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6030         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6031         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6032         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6033         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6034         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6035         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6036         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6037         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6038         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6039         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6040         { "autorun",                    setautorun,     0 },
6041         { "layout",                     setlayout,      0 },
6042 };
6043
6044
6045 int
6046 conf_load(char *filename, int keymapping)
6047 {
6048         FILE                    *config;
6049         char                    *line, *cp, *optsub, *optval;
6050         size_t                  linelen, lineno = 0;
6051         int                     wordlen, i, optind;
6052         struct config_option    *opt;
6053
6054         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6055
6056         if (filename == NULL) {
6057                 warnx("conf_load: no filename");
6058                 return (1);
6059         }
6060         if ((config = fopen(filename, "r")) == NULL) {
6061                 warn("conf_load: fopen: %s", filename);
6062                 return (1);
6063         }
6064
6065         while (!feof(config)) {
6066                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6067                     == NULL) {
6068                         if (ferror(config))
6069                                 err(1, "%s", filename);
6070                         else
6071                                 continue;
6072                 }
6073                 cp = line;
6074                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6075                 if (cp[0] == '\0') {
6076                         /* empty line */
6077                         free(line);
6078                         continue;
6079                 }
6080                 /* get config option */
6081                 wordlen = strcspn(cp, "=[ \t\n");
6082                 if (wordlen == 0) {
6083                         warnx("%s: line %zd: no option found",
6084                             filename, lineno);
6085                         goto out;
6086                 }
6087                 optind = -1;
6088                 for (i = 0; i < LENGTH(configopt); i++) {
6089                         opt = &configopt[i];
6090                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6091                             strlen(opt->optname) == wordlen) {
6092                                 optind = i;
6093                                 break;
6094                         }
6095                 }
6096                 if (optind == -1) {
6097                         warnx("%s: line %zd: unknown option %.*s",
6098                             filename, lineno, wordlen, cp);
6099                         goto out;
6100                 }
6101                 if (keymapping && strcmp(opt->optname, "bind")) {
6102                         warnx("%s: line %zd: invalid option %.*s",
6103                             filename, lineno, wordlen, cp);
6104                         goto out;
6105                 }
6106                 cp += wordlen;
6107                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6108                 /* get [selector] if any */
6109                 optsub = NULL;
6110                 if (*cp == '[') {
6111                         cp++;
6112                         wordlen = strcspn(cp, "]");
6113                         if (*cp != ']') {
6114                                 if (wordlen == 0) {
6115                                         warnx("%s: line %zd: syntax error",
6116                                             filename, lineno);
6117                                         goto out;
6118                                 }
6119
6120                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6121                                     -1) {
6122                                         warnx("%s: line %zd: unable to allocate"
6123                                             "memory for selector", filename,
6124                                             lineno);
6125                                         goto out;
6126                                 }
6127                         }
6128                         cp += wordlen;
6129                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6130                 }
6131                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6132                 /* get RHS value */
6133                 optval = strdup(cp);
6134                 /* call function to deal with it all */
6135                 if (configopt[optind].func(optsub, optval,
6136                     configopt[optind].funcflags) != 0)
6137                         errx(1, "%s: line %zd: invalid data for %s",
6138                             filename, lineno, configopt[optind].optname);
6139                 free(optval);
6140                 free(optsub);
6141                 free(line);
6142         }
6143
6144         fclose(config);
6145         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6146
6147         return (0);
6148
6149 out:
6150         free(line);
6151         fclose(config);
6152         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6153
6154         return (1);
6155 }
6156
6157 void
6158 set_child_transient(struct ws_win *win, Window *trans)
6159 {
6160         struct ws_win           *parent, *w;
6161         XWMHints                *wmh = NULL;
6162         struct swm_region       *r;
6163         struct workspace        *ws;
6164
6165         parent = find_window(win->transient);
6166         if (parent)
6167                 parent->child_trans = win;
6168         else {
6169                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6170                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
6171
6172                 if (win->hints == NULL) {
6173                         warnx("no hints for 0x%x", win->id);
6174                         return;
6175                 }
6176
6177                 r = root_to_region(win->wa.root);
6178                 ws = r->ws;
6179                 /* parent doen't exist in our window list */
6180                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6181                         if (wmh)
6182                                 XFree(wmh);
6183
6184                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
6185                                 warnx("can't get hints for 0x%x", w->id);
6186                                 continue;
6187                         }
6188
6189                         if (win->hints->window_group != wmh->window_group)
6190                                 continue;
6191
6192                         w->child_trans = win;
6193                         win->transient = w->id;
6194                         *trans = w->id;
6195                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
6196                             "transient to 0x%x\n", win->transient);
6197                         break;
6198                 }
6199         }
6200
6201         if (wmh)
6202                 XFree(wmh);
6203 }
6204
6205 long
6206 window_get_pid(Window win)
6207 {
6208         long                            ret = 0;
6209         const char                      *errstr;
6210         xcb_atom_t                      apid;
6211         xcb_intern_atom_cookie_t        c;
6212         xcb_intern_atom_reply_t         *r;
6213         xcb_get_property_cookie_t       pc;
6214         xcb_get_property_reply_t        *pr;
6215
6216         c = xcb_intern_atom(conn, False, strlen("_NET_WM_PID"), "_NET_WM_PID");
6217         r = xcb_intern_atom_reply(conn, c, NULL);
6218         if (r) {
6219                 apid = r->atom;
6220                 free(r);
6221         } else
6222                 goto tryharder;
6223
6224         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6225         pr = xcb_get_property_reply(conn, pc, NULL);
6226         if (!pr)
6227                 goto tryharder;
6228         if (pr->type != XCB_ATOM_CARDINAL)
6229                 goto tryharder;
6230
6231         ret = *(long *)xcb_get_property_value(pr);
6232         free(pr);
6233
6234         return (ret);
6235
6236 tryharder:
6237         c = xcb_intern_atom(conn, False, strlen("_SWM_PID"), "_SWM_PID");
6238         r = xcb_intern_atom_reply(conn, c, NULL);
6239         if (r) {
6240                 apid = r->atom;
6241                 free(r);
6242         }
6243         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6244                 0, SWM_PROPLEN);
6245         pr = xcb_get_property_reply(conn, pc, NULL);
6246         if (!pr)
6247                 return (0);
6248         if (pr->type != XCB_ATOM_STRING)
6249                 free(pr);
6250                 return (0);
6251         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6252         free(pr);
6253
6254         return (ret);
6255 }
6256
6257 struct ws_win *
6258 manage_window(Window id)
6259 {
6260         Window                  trans = 0;
6261         struct workspace        *ws;
6262         struct ws_win           *win, *ww;
6263         int                     format, i, ws_idx, n, border_me = 0;
6264         unsigned long           nitems, bytes;
6265         Atom                    ws_idx_atom = 0, type;
6266         Atom                    *prot = NULL, *pp;
6267         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6268         struct swm_region       *r;
6269         const char              *errstr;
6270         struct pid_e            *p;
6271         struct quirk            *qp;
6272
6273         if ((win = find_window(id)) != NULL)
6274                 return (win);   /* already being managed */
6275
6276         /* see if we are on the unmanaged list */
6277         if ((win = find_unmanaged_window(id)) != NULL) {
6278                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6279                     "window: 0x%lx\n", win->id);
6280                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6281                 if (win->transient)
6282                         set_child_transient(win, &trans);
6283
6284                 if (trans && (ww = find_window(trans)))
6285                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6286                 else if ((ww = win->ws->focus) &&
6287                     spawn_position == SWM_STACK_ABOVE)
6288                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6289                             win, entry);
6290                 else if (ww && spawn_position == SWM_STACK_BELOW)
6291                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6292                 else switch (spawn_position) {
6293                 default:
6294                 case SWM_STACK_TOP:
6295                 case SWM_STACK_ABOVE:
6296                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6297                         break;
6298                 case SWM_STACK_BOTTOM:
6299                 case SWM_STACK_BELOW:
6300                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6301                 }
6302
6303                 ewmh_update_actions(win);
6304                 return (win);
6305         }
6306
6307         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6308                 err(1, "manage_window: calloc: failed to allocate memory for "
6309                     "new window");
6310
6311         win->id = id;
6312         win->bordered = 0;
6313
6314         /* see if we need to override the workspace */
6315         p = find_pid(window_get_pid(id));
6316
6317         /* Get all the window data in one shot */
6318         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6319         if (ws_idx_atom) {
6320                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6321                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6322         }
6323         XGetWindowAttributes(display, id, &win->wa);
6324         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6325         win->hints = XGetWMHints(display, id);
6326         XGetTransientForHint(display, id, &trans);
6327         if (trans) {
6328                 win->transient = trans;
6329                 set_child_transient(win, &trans);
6330                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
6331                     "transient: 0x%lx\n", win->id, win->transient);
6332         }
6333
6334         /* get supported protocols */
6335         if (XGetWMProtocols(display, id, &prot, &n)) {
6336                 for (i = 0, pp = prot; i < n; i++, pp++) {
6337                         if (*pp == takefocus)
6338                                 win->take_focus = 1;
6339                         if (*pp == adelete)
6340                                 win->can_delete = 1;
6341                 }
6342                 if (prot)
6343                         XFree(prot);
6344         }
6345
6346         win->iconic = get_iconic(win);
6347
6348         /*
6349          * Figure out where to put the window. If it was previously assigned to
6350          * a workspace (either by spawn() or manually moving), and isn't
6351          * transient, * put it in the same workspace
6352          */
6353         r = root_to_region(win->wa.root);
6354         if (p) {
6355                 ws = &r->s->ws[p->ws];
6356                 TAILQ_REMOVE(&pidlist, p, entry);
6357                 free(p);
6358                 p = NULL;
6359         } else if (prop && win->transient == 0) {
6360                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6361                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6362                     &errstr);
6363                 if (errstr) {
6364                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6365                             errstr, prop);
6366                 }
6367                 ws = &r->s->ws[ws_idx];
6368         } else {
6369                 ws = r->ws;
6370                 /* this should launch transients in the same ws as parent */
6371                 if (id && trans)
6372                         if ((ww = find_window(trans)) != NULL)
6373                                 if (ws->r) {
6374                                         ws = ww->ws;
6375                                         if (ww->ws->r)
6376                                                 r = ww->ws->r;
6377                                         else
6378                                                 warnx("manage_window: fix this "
6379                                                     "bug mcbride");
6380                                         border_me = 1;
6381                                 }
6382         }
6383
6384         /* set up the window layout */
6385         win->id = id;
6386         win->ws = ws;
6387         win->s = r->s;  /* this never changes */
6388         if (trans && (ww = find_window(trans)))
6389                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6390         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6391                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6392                     entry);
6393         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6394                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6395         else switch (spawn_position) {
6396         default:
6397         case SWM_STACK_TOP:
6398         case SWM_STACK_ABOVE:
6399                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6400                 break;
6401         case SWM_STACK_BOTTOM:
6402         case SWM_STACK_BELOW:
6403                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6404         }
6405
6406         /* ignore window border if there is one. */
6407         WIDTH(win) = win->wa.width;
6408         HEIGHT(win) = win->wa.height;
6409         X(win) = win->wa.x + win->wa.border_width;
6410         Y(win) = win->wa.y + win->wa.border_width;
6411         win->bordered = 0;
6412         win->g_floatvalid = 0;
6413         win->floatmaxed = 0;
6414         win->ewmh_flags = 0;
6415
6416         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, (x,y) w x h: "
6417             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6418             HEIGHT(win), ws->idx);
6419
6420         constrain_window(win, r, 0);
6421
6422         /* Set window properties so we can remember this after reincarnation */
6423         if (ws_idx_atom && prop == NULL &&
6424             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6425                 SWM_PROPLEN) {
6426                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6427                     ws_idx_str);
6428                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6429                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6430         }
6431         if (prop)
6432                 XFree(prop);
6433
6434         ewmh_autoquirk(win);
6435
6436         if (XGetClassHint(display, win->id, &win->ch)) {
6437                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6438                     win->ch.res_class, win->ch.res_name);
6439
6440                 /* java is retarded so treat it special */
6441                 if (strstr(win->ch.res_name, "sun-awt")) {
6442                         win->java = 1;
6443                         border_me = 1;
6444                 }
6445
6446                 TAILQ_FOREACH(qp, &quirks, entry) {
6447                         if (!strcmp(win->ch.res_class, qp->class) &&
6448                             !strcmp(win->ch.res_name, qp->name)) {
6449                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6450                                     "class: %s, name: %s\n", win->ch.res_class,
6451                                     win->ch.res_name);
6452                                 if (qp->quirk & SWM_Q_FLOAT) {
6453                                         win->floating = 1;
6454                                         border_me = 1;
6455                                 }
6456                                 win->quirks = qp->quirk;
6457                         }
6458                 }
6459         }
6460
6461         /* alter window position if quirky */
6462         if (win->quirks & SWM_Q_ANYWHERE) {
6463                 win->manual = 1; /* don't center the quirky windows */
6464                 if (bar_enabled && Y(win) < bar_height)
6465                         Y(win) = bar_height;
6466                 if (WIDTH(win) + X(win) > WIDTH(r))
6467                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6468                 border_me = 1;
6469         }
6470
6471         /* Reset font sizes (the bruteforce way; no default keybinding). */
6472         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6473                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6474                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6475                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6476                         fake_keypress(win, XK_KP_Add, ShiftMask);
6477         }
6478
6479         ewmh_get_win_state(win);
6480         ewmh_update_actions(win);
6481         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6482
6483         /* border me */
6484         if (border_me) {
6485                 win->bordered = 1;
6486                 X(win) -= border_width;
6487                 Y(win) -= border_width;
6488                 update_window(win);
6489         }
6490
6491         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
6492             PropertyChangeMask | StructureNotifyMask);
6493
6494         /* floaters need to be mapped if they are in the current workspace */
6495         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6496                 XMapRaised(display, win->id);
6497
6498         return (win);
6499 }
6500
6501 void
6502 free_window(struct ws_win *win)
6503 {
6504         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
6505
6506         if (win == NULL)
6507                 return;
6508
6509         /* needed for restart wm */
6510         set_win_state(win, WithdrawnState);
6511
6512         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6513
6514         if (win->ch.res_class)
6515                 XFree(win->ch.res_class);
6516         if (win->ch.res_name)
6517                 XFree(win->ch.res_name);
6518
6519         kill_refs(win);
6520
6521         /* paint memory */
6522         memset(win, 0xff, sizeof *win); /* XXX kill later */
6523
6524         free(win);
6525 }
6526
6527 void
6528 unmanage_window(struct ws_win *win)
6529 {
6530         struct ws_win           *parent;
6531
6532         if (win == NULL)
6533                 return;
6534
6535         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
6536
6537         if (win->transient) {
6538                 parent = find_window(win->transient);
6539                 if (parent)
6540                         parent->child_trans = NULL;
6541         }
6542
6543         /* focus on root just in case */
6544         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
6545
6546         focus_prev(win);
6547
6548         if (win->hints) {
6549                 XFree(win->hints);
6550                 win->hints = NULL;
6551         }
6552
6553         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6554         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6555 }
6556
6557 void
6558 focus_magic(struct ws_win *win)
6559 {
6560         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6561
6562         if (win == NULL) {
6563                 /* if there are no windows clear the status-bar */
6564                 bar_update();
6565                 return;
6566         }
6567
6568         if (win->child_trans) {
6569                 /* win = parent & has a transient so focus on that */
6570                 if (win->java) {
6571                         focus_win(win->child_trans);
6572                         if (win->child_trans->take_focus)
6573                                 client_msg(win, takefocus);
6574                 } else {
6575                         /* make sure transient hasn't disappeared */
6576                         if (validate_win(win->child_trans) == 0) {
6577                                 focus_win(win->child_trans);
6578                                 if (win->child_trans->take_focus)
6579                                         client_msg(win->child_trans, takefocus);
6580                         } else {
6581                                 win->child_trans = NULL;
6582                                 focus_win(win);
6583                                 if (win->take_focus)
6584                                         client_msg(win, takefocus);
6585                         }
6586                 }
6587         } else {
6588                 /* regular focus */
6589                 focus_win(win);
6590                 if (win->take_focus)
6591                         client_msg(win, takefocus);
6592         }
6593 }
6594
6595 void
6596 expose(XEvent *e)
6597 {
6598         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6599 }
6600
6601 void
6602 keypress(XEvent *e)
6603 {
6604         KeySym                  keysym;
6605         XKeyEvent               *ev = &e->xkey;
6606         struct key              *kp;
6607         struct swm_region       *r;
6608
6609         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6610         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6611                 return;
6612         if (keyfuncs[kp->funcid].func == NULL)
6613                 return;
6614
6615         r = root_to_region(ev->root);
6616         if (kp->funcid == kf_spawn_custom)
6617                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6618         else
6619                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6620 }
6621
6622 void
6623 buttonpress(XEvent *e)
6624 {
6625         struct ws_win           *win;
6626         int                     i, action;
6627         XButtonPressedEvent     *ev = &e->xbutton;
6628
6629         if ((win = find_window(ev->window)) == NULL)
6630                 return;
6631
6632         focus_magic(win);
6633         action = client_click;
6634
6635         for (i = 0; i < LENGTH(buttons); i++)
6636                 if (action == buttons[i].action && buttons[i].func &&
6637                     buttons[i].button == ev->button &&
6638                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6639                         buttons[i].func(win, &buttons[i].args);
6640 }
6641
6642 void
6643 configurerequest(XEvent *e)
6644 {
6645         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6646         struct ws_win           *win;
6647         int                     new = 0;
6648         XWindowChanges          wc;
6649
6650         if ((win = find_window(ev->window)) == NULL)
6651                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6652                         new = 1;
6653
6654         if (new) {
6655                 bzero(&wc, sizeof wc);
6656                 wc.x = ev->x;
6657                 wc.y = ev->y;
6658                 wc.width = ev->width;
6659                 wc.height = ev->height;
6660                 wc.border_width = ev->border_width;
6661                 wc.sibling = ev->above;
6662                 wc.stack_mode = ev->detail;
6663
6664                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6665                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6666                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6667
6668                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6669         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6670             !(win->sh_mask & EWMH_F_FULLSCREEN)) {
6671                 win->g_float.x = ev->x - X(win->ws->r);
6672                 win->g_float.y = ev->y - Y(win->ws->r);
6673                 win->g_float.w = ev->width;
6674                 win->g_float.h = ev->height;
6675                 win->g_floatvalid = 1;
6676
6677                 if (win->floating) {
6678                         win->g = win->g_float;
6679                         win->g.x += X(win->ws->r);
6680                         win->g.y += Y(win->ws->r);
6681                         update_window(win);
6682                 } else {
6683                         config_win(win, ev);
6684                 }
6685         } else {
6686                 config_win(win, ev);
6687         }
6688 }
6689
6690 void
6691 configurenotify(XEvent *e)
6692 {
6693         struct ws_win           *win;
6694
6695         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6696             e->xconfigure.window);
6697
6698         win = find_window(e->xconfigure.window);
6699         if (win) {
6700                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6701                 adjust_font(win);
6702                 if (font_adjusted)
6703                         stack();
6704                 if (focus_mode == SWM_FOCUS_DEFAULT)
6705                         drain_enter_notify();
6706         }
6707 }
6708
6709 void
6710 destroynotify(XEvent *e)
6711 {
6712         struct ws_win           *win;
6713         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6714
6715         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6716
6717         if ((win = find_window(ev->window)) == NULL) {
6718                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6719                         return;
6720                 free_window(win);
6721                 return;
6722         }
6723
6724         /* make sure we focus on something */
6725         win->floating = 0;
6726
6727         unmanage_window(win);
6728         stack();
6729         if (focus_mode == SWM_FOCUS_DEFAULT)
6730                 drain_enter_notify();
6731         free_window(win);
6732 }
6733
6734 void
6735 enternotify(XEvent *e)
6736 {
6737         XCrossingEvent          *ev = &e->xcrossing;
6738         XEvent                  cne;
6739         struct ws_win           *win;
6740 #if 0
6741         struct ws_win           *w;
6742         Window                  focus_return;
6743         int                     revert_to_return;
6744 #endif
6745         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6746             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6747             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6748             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6749
6750         if (ev->mode != NotifyNormal) {
6751                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6752                     "cursor grab.\n");
6753                 return;
6754         }
6755
6756         switch (focus_mode) {
6757         case SWM_FOCUS_DEFAULT:
6758                 break;
6759         case SWM_FOCUS_FOLLOW:
6760                 break;
6761         case SWM_FOCUS_SYNERGY:
6762 #if 0
6763         /*
6764          * all these checks need to be in this order because the
6765          * XCheckTypedWindowEvent relies on weeding out the previous events
6766          *
6767          * making this code an option would enable a follow mouse for focus
6768          * feature
6769          */
6770
6771         /*
6772          * state is set when we are switching workspaces and focus is set when
6773          * the window or a subwindow already has focus (occurs during restart).
6774          *
6775          * Only honor the focus flag if last_focus_event is not FocusOut,
6776          * this allows spectrwm to continue to control focus when another
6777          * program is also playing with it.
6778          */
6779         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6780                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6781                 return;
6782         }
6783
6784         /*
6785          * happens when a window is created or destroyed and the border
6786          * crosses the mouse pointer and when switching ws
6787          *
6788          * we need the subwindow test to see if we came from root in order
6789          * to give focus to floaters
6790          */
6791         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6792             ev->subwindow == 0) {
6793                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6794                 return;
6795         }
6796
6797         /* this window already has focus */
6798         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6799                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6800                 return;
6801         }
6802
6803         /* this window is being deleted or moved to another ws */
6804         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6805             &cne) == True) {
6806                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6807                 XPutBackEvent(display, &cne);
6808                 return;
6809         }
6810
6811         if ((win = find_window(ev->window)) == NULL) {
6812                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6813                 return;
6814         }
6815
6816         /*
6817          * In fullstack kill all enters unless they come from a different ws
6818          * (i.e. another region) or focus has been grabbed externally.
6819          */
6820         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6821             last_focus_event != FocusOut) {
6822                 XGetInputFocus(display, &focus_return, &revert_to_return);
6823                 if ((w = find_window(focus_return)) == NULL ||
6824                     w->ws == win->ws) {
6825                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6826                         return;
6827                 }
6828         }
6829 #endif
6830                 break;
6831         }
6832
6833         if ((win = find_window(ev->window)) == NULL) {
6834                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6835                 return;
6836         }
6837
6838         /*
6839          * if we have more enternotifies let them handle it in due time
6840          */
6841         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6842                 DNPRINTF(SWM_D_EVENT,
6843                     "ignoring enternotify: got more enternotify\n");
6844                 XPutBackEvent(display, &cne);
6845                 return;
6846         }
6847
6848         focus_magic(win);
6849 }
6850
6851 /* lets us use one switch statement for arbitrary mode/detail combinations */
6852 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6853
6854 void
6855 focusevent(XEvent *e)
6856 {
6857 #if 0
6858         struct ws_win           *win;
6859         u_int32_t               mode_detail;
6860         XFocusChangeEvent       *ev = &e->xfocus;
6861
6862         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6863             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6864             ev->window, ev->mode, ev->detail);
6865
6866         if (last_focus_event == ev->type) {
6867                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6868                 return;
6869         }
6870
6871         last_focus_event = ev->type;
6872         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6873
6874         switch (mode_detail) {
6875         /* synergy client focus operations */
6876         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6877         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6878
6879         /* synergy server focus operations */
6880         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6881
6882         /* Entering applications like rdesktop that mangle the pointer */
6883         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6884
6885                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6886                         XSetWindowBorder(display, win->id,
6887                             win->ws->r->s->c[ev->type == FocusIn ?
6888                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6889                 break;
6890         default:
6891                 warnx("ignoring focusevent");
6892                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6893                 break;
6894         }
6895 #endif
6896 }
6897
6898 void
6899 mapnotify(XEvent *e)
6900 {
6901         struct ws_win           *win;
6902         XMapEvent               *ev = &e->xmap;
6903
6904         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6905
6906         win = manage_window(ev->window);
6907         if (win)
6908                 set_win_state(win, NormalState);
6909
6910         /*
6911          * focus_win can only set input focus on a mapped window.
6912          * make sure the window really has focus since it is just being mapped.
6913          */
6914         if (win->ws->focus == win)
6915                 focus_win(win);
6916 }
6917
6918 void
6919 mappingnotify(XEvent *e)
6920 {
6921         XMappingEvent           *ev = &e->xmapping;
6922
6923         XRefreshKeyboardMapping(ev);
6924         if (ev->request == MappingKeyboard)
6925                 grabkeys();
6926 }
6927
6928 void
6929 maprequest(XEvent *e)
6930 {
6931         struct ws_win           *win;
6932         struct swm_region       *r;
6933         XWindowAttributes       wa;
6934         XMapRequestEvent        *ev = &e->xmaprequest;
6935
6936         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6937             e->xmaprequest.window);
6938
6939         if (!XGetWindowAttributes(display, ev->window, &wa))
6940                 return;
6941         if (wa.override_redirect)
6942                 return;
6943
6944         win = manage_window(e->xmaprequest.window);
6945         if (win == NULL)
6946                 return; /* can't happen */
6947
6948         stack();
6949
6950         /* make new win focused */
6951         r = root_to_region(win->wa.root);
6952         if (win->ws == r->ws)
6953                 focus_magic(win);
6954 }
6955
6956 void
6957 propertynotify(XEvent *e)
6958 {
6959         struct ws_win           *win;
6960         XPropertyEvent          *ev = &e->xproperty;
6961 #ifdef SWM_DEBUG
6962         char                    *name;
6963         name = XGetAtomName(display, ev->atom);
6964         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6965             ev->window, name);
6966         XFree(name);
6967 #endif
6968
6969         win = find_window(ev->window);
6970         if (win == NULL)
6971                 return;
6972
6973         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6974                 update_iconic(win, 0);
6975                 XMapRaised(display, win->id);
6976                 stack();
6977                 focus_win(win);
6978                 return;
6979         }
6980
6981         switch (ev->atom) {
6982 #if 0
6983         case XA_WM_NORMAL_HINTS:
6984                 long            mask;
6985                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6986                 warnx("normal hints: flag 0x%x", win->sh.flags);
6987                 if (win->sh.flags & PMinSize) {
6988                         WIDTH(win) = win->sh.min_width;
6989                         HEIGHT(win) = win->sh.min_height;
6990                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
6991                 }
6992                 XMoveResizeWindow(display, win->id,
6993                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6994 #endif
6995         case XA_WM_CLASS:
6996         case XA_WM_NAME:
6997                 bar_update();
6998                 break;
6999         default:
7000                 break;
7001         }
7002 }
7003
7004 void
7005 unmapnotify(XEvent *e)
7006 {
7007         struct ws_win           *win;
7008
7009         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7010
7011         /* determine if we need to help unmanage this window */
7012         win = find_window(e->xunmap.window);
7013         if (win == NULL)
7014                 return;
7015
7016         if (getstate(e->xunmap.window) == NormalState) {
7017                 unmanage_window(win);
7018                 stack();
7019
7020                 /* giant hack for apps that don't destroy transient windows */
7021                 /* eat a bunch of events to prevent remanaging the window */
7022                 XEvent                  cne;
7023                 while (XCheckWindowEvent(display, e->xunmap.window,
7024                     EnterWindowMask, &cne))
7025                         ;
7026                 while (XCheckWindowEvent(display, e->xunmap.window,
7027                     StructureNotifyMask, &cne))
7028                         ;
7029                 while (XCheckWindowEvent(display, e->xunmap.window,
7030                     SubstructureNotifyMask, &cne))
7031                         ;
7032                 /* resend unmap because we ated it */
7033                 XUnmapWindow(display, e->xunmap.window);
7034         }
7035
7036         if (focus_mode == SWM_FOCUS_DEFAULT)
7037                 drain_enter_notify();
7038 }
7039
7040 void
7041 visibilitynotify(XEvent *e)
7042 {
7043         int                     i, num_screens;
7044         struct swm_region       *r;
7045
7046         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7047             e->xvisibility.window);
7048
7049         if (e->xvisibility.state == VisibilityUnobscured) {
7050                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7051                 for (i = 0; i < num_screens; i++)
7052                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7053                                 if (e->xvisibility.window == WINID(r->bar))
7054                                         bar_update();
7055         }
7056 }
7057
7058 void
7059 clientmessage(XEvent *e)
7060 {
7061         XClientMessageEvent     *ev;
7062         struct ws_win           *win;
7063
7064         ev = &e->xclient;
7065
7066         win = find_window(ev->window);
7067         if (win == NULL) {
7068                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7069                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7070                             "unmanaged window.\n");
7071                         e->xmaprequest.window = ev->window;
7072                         maprequest(e);
7073                 }
7074                 return;
7075         }
7076
7077         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7078             ev->window, ev->message_type);
7079
7080         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7081                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7082                 focus_win(win);
7083         }
7084         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7085                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7086                 if (win->can_delete)
7087                         client_msg(win, adelete);
7088                 else
7089                         XKillClient(display, win->id);
7090         }
7091         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7092                 DNPRINTF(SWM_D_EVENT,
7093                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7094                 if (win->floating) {
7095                         if (ev->data.l[0] & (1<<8)) /* x */
7096                                 X(win) = ev->data.l[1];
7097                         if (ev->data.l[0] & (1<<9)) /* y */
7098                                 Y(win) = ev->data.l[2];
7099                         if (ev->data.l[0] & (1<<10)) /* width */
7100                                 WIDTH(win) = ev->data.l[3];
7101                         if (ev->data.l[0] & (1<<11)) /* height */
7102                                 HEIGHT(win) = ev->data.l[4];
7103
7104                         update_window(win);
7105                 }
7106                 else {
7107                         /* TODO: Change stack sizes */
7108                         /* notify no change was made. */
7109                         config_win(win, NULL);
7110                 }
7111         }
7112         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7113                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7114                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7115                 if (ev->data.l[2])
7116                         ewmh_update_win_state(win, ev->data.l[2],
7117                             ev->data.l[0]);
7118
7119                 stack();
7120         }
7121 }
7122
7123 int
7124 xerror_start(Display *d, XErrorEvent *ee)
7125 {
7126         other_wm = 1;
7127         return (-1);
7128 }
7129
7130 int
7131 xerror(Display *d, XErrorEvent *ee)
7132 {
7133         /* warnx("error: %p %p", display, ee); */
7134         return (-1);
7135 }
7136
7137 int
7138 active_wm(void)
7139 {
7140         other_wm = 0;
7141         xerrorxlib = XSetErrorHandler(xerror_start);
7142
7143         /* this causes an error if some other window manager is running */
7144         XSelectInput(display, DefaultRootWindow(display),
7145             SubstructureRedirectMask);
7146         XSync(display, False);
7147         if (other_wm)
7148                 return (1);
7149
7150         XSetErrorHandler(xerror);
7151         XSync(display, False);
7152         return (0);
7153 }
7154
7155 void
7156 new_region(struct swm_screen *s, int x, int y, int w, int h)
7157 {
7158         struct swm_region       *r, *n;
7159         struct workspace        *ws = NULL;
7160         int                     i;
7161
7162         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7163              s->idx, w, h, x, y);
7164
7165         /* remove any conflicting regions */
7166         n = TAILQ_FIRST(&s->rl);
7167         while (n) {
7168                 r = n;
7169                 n = TAILQ_NEXT(r, entry);
7170                 if (X(r) < (x + w) &&
7171                     (X(r) + WIDTH(r)) > x &&
7172                     Y(r) < (y + h) &&
7173                     (Y(r) + HEIGHT(r)) > y) {
7174                         if (r->ws->r != NULL)
7175                                 r->ws->old_r = r->ws->r;
7176                         r->ws->r = NULL;
7177                         bar_cleanup(r);
7178                         TAILQ_REMOVE(&s->rl, r, entry);
7179                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7180                 }
7181         }
7182
7183         /* search old regions for one to reuse */
7184
7185         /* size + location match */
7186         TAILQ_FOREACH(r, &s->orl, entry)
7187                 if (X(r) == x && Y(r) == y &&
7188                     HEIGHT(r) == h && WIDTH(r) == w)
7189                         break;
7190
7191         /* size match */
7192         TAILQ_FOREACH(r, &s->orl, entry)
7193                 if (HEIGHT(r) == h && WIDTH(r) == w)
7194                         break;
7195
7196         if (r != NULL) {
7197                 TAILQ_REMOVE(&s->orl, r, entry);
7198                 /* try to use old region's workspace */
7199                 if (r->ws->r == NULL)
7200                         ws = r->ws;
7201         } else
7202                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7203                         err(1, "new_region: calloc: failed to allocate memory "
7204                             "for screen");
7205
7206         /* if we don't have a workspace already, find one */
7207         if (ws == NULL) {
7208                 for (i = 0; i < workspace_limit; i++)
7209                         if (s->ws[i].r == NULL) {
7210                                 ws = &s->ws[i];
7211                                 break;
7212                         }
7213         }
7214
7215         if (ws == NULL)
7216                 errx(1, "new_region: no free workspaces");
7217
7218         X(r) = x;
7219         Y(r) = y;
7220         WIDTH(r) = w;
7221         HEIGHT(r) = h;
7222         r->s = s;
7223         r->ws = ws;
7224         r->ws_prior = NULL;
7225         ws->r = r;
7226         outputs++;
7227         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7228 }
7229
7230 void
7231 scan_xrandr(int i)
7232 {
7233 #ifdef SWM_XRR_HAS_CRTC
7234         XRRCrtcInfo             *ci;
7235         XRRScreenResources      *sr;
7236         int                     c;
7237         int                     ncrtc = 0;
7238 #endif /* SWM_XRR_HAS_CRTC */
7239         struct swm_region       *r;
7240         int                     num_screens;
7241
7242         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7243         if (i >= num_screens)
7244                 errx(1, "scan_xrandr: invalid screen");
7245
7246         /* remove any old regions */
7247         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7248                 r->ws->old_r = r->ws->r = NULL;
7249                 bar_cleanup(r);
7250                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7251                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7252         }
7253         outputs = 0;
7254
7255         /* map virtual screens onto physical screens */
7256 #ifdef SWM_XRR_HAS_CRTC
7257         if (xrandr_support) {
7258                 sr = XRRGetScreenResourcesCurrent(display, screens[i].root);
7259                 if (sr == NULL)
7260                         new_region(&screens[i], 0, 0,
7261                             DisplayWidth(display, i),
7262                             DisplayHeight(display, i));
7263                 else
7264                         ncrtc = sr->ncrtc;
7265
7266                 for (c = 0, ci = NULL; c < ncrtc; c++) {
7267                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
7268                         if (ci->noutput == 0)
7269                                 continue;
7270
7271                         if (ci != NULL && ci->mode == None)
7272                                 new_region(&screens[i], 0, 0,
7273                                     DisplayWidth(display, i),
7274                                     DisplayHeight(display, i));
7275                         else
7276                                 new_region(&screens[i],
7277                                     ci->x, ci->y, ci->width, ci->height);
7278                 }
7279                 if (ci)
7280                         XRRFreeCrtcInfo(ci);
7281                 XRRFreeScreenResources(sr);
7282         } else
7283 #endif /* SWM_XRR_HAS_CRTC */
7284         {
7285                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
7286                     DisplayHeight(display, i));
7287         }
7288 }
7289
7290 void
7291 screenchange(XEvent *e) {
7292         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7293         struct swm_region               *r;
7294         int                             i, num_screens;
7295
7296         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7297
7298         if (!XRRUpdateConfiguration(e))
7299                 return;
7300
7301         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7302         /* silly event doesn't include the screen index */
7303         for (i = 0; i < num_screens; i++)
7304                 if (screens[i].root == xe->root)
7305                         break;
7306         if (i >= num_screens)
7307                 errx(1, "screenchange: screen not found");
7308
7309         /* brute force for now, just re-enumerate the regions */
7310         scan_xrandr(i);
7311
7312         /* add bars to all regions */
7313         for (i = 0; i < num_screens; i++)
7314                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7315                         bar_setup(r);
7316         stack();
7317         if (focus_mode == SWM_FOCUS_DEFAULT)
7318                 drain_enter_notify();
7319 }
7320
7321 void
7322 grab_windows(void)
7323 {
7324         Window                  d1, d2, *wins = NULL;
7325         XWindowAttributes       wa;
7326         unsigned int            no;
7327         int                     i, j, num_screens;
7328         long                    state, manage;
7329
7330         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7331         for (i = 0; i < num_screens; i++) {
7332                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
7333                         continue;
7334
7335                 /* attach windows to a region */
7336                 /* normal windows */
7337                 for (j = 0; j < no; j++) {
7338                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7339                             wa.override_redirect ||
7340                             XGetTransientForHint(display, wins[j], &d1))
7341                                 continue;
7342
7343                         state = getstate(wins[j]);
7344                         manage = state == IconicState;
7345                         if (wa.map_state == IsViewable || manage)
7346                                 manage_window(wins[j]);
7347                 }
7348                 /* transient windows */
7349                 for (j = 0; j < no; j++) {
7350                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7351                             wa.override_redirect)
7352                                 continue;
7353
7354                         state = getstate(wins[j]);
7355                         manage = state == IconicState;
7356                         if (XGetTransientForHint(display, wins[j], &d1) &&
7357                             manage)
7358                                 manage_window(wins[j]);
7359                 }
7360                 if (wins) {
7361                         XFree(wins);
7362                         wins = NULL;
7363                 }
7364         }
7365 }
7366
7367 void
7368 setup_screens(void)
7369 {
7370         int                     i, j, k, num_screens;
7371         int                     errorbase, major, minor;
7372         struct workspace        *ws;
7373         XGCValues               gcv;
7374
7375         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7376         if ((screens = calloc(num_screens,
7377              sizeof(struct swm_screen))) == NULL)
7378                 err(1, "setup_screens: calloc: failed to allocate memory for "
7379                     "screens");
7380
7381         /* initial Xrandr setup */
7382         xrandr_support = XRRQueryExtension(display,
7383             &xrandr_eventbase, &errorbase);
7384         if (xrandr_support)
7385                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
7386                         xrandr_support = 0;
7387
7388         /* map physical screens */
7389         for (i = 0; i < num_screens; i++) {
7390                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7391                 screens[i].idx = i;
7392                 TAILQ_INIT(&screens[i].rl);
7393                 TAILQ_INIT(&screens[i].orl);
7394                 screens[i].root = RootWindow(display, i);
7395
7396                 /* set default colors */
7397                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7398                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7399                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7400                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7401                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7402
7403                 /* create graphics context on screen */
7404                 gcv.graphics_exposures = 0;
7405                 screens[i].bar_gc = XCreateGC(display, screens[i].root,
7406                     GCGraphicsExposures, &gcv);
7407
7408                 /* set default cursor */
7409                 XDefineCursor(display, screens[i].root,
7410                     XCreateFontCursor(display, XC_left_ptr));
7411
7412                 /* init all workspaces */
7413                 /* XXX these should be dynamically allocated too */
7414                 for (j = 0; j < SWM_WS_MAX; j++) {
7415                         ws = &screens[i].ws[j];
7416                         ws->idx = j;
7417                         ws->name = NULL;
7418                         ws->focus = NULL;
7419                         ws->r = NULL;
7420                         ws->old_r = NULL;
7421                         TAILQ_INIT(&ws->winlist);
7422                         TAILQ_INIT(&ws->unmanagedlist);
7423
7424                         for (k = 0; layouts[k].l_stack != NULL; k++)
7425                                 if (layouts[k].l_config != NULL)
7426                                         layouts[k].l_config(ws,
7427                                             SWM_ARG_ID_STACKINIT);
7428                         ws->cur_layout = &layouts[0];
7429                         ws->cur_layout->l_string(ws);
7430                 }
7431
7432                 scan_xrandr(i);
7433
7434                 if (xrandr_support)
7435                         XRRSelectInput(display, screens[i].root,
7436                             RRScreenChangeNotifyMask);
7437         }
7438 }
7439
7440 void
7441 setup_globals(void)
7442 {
7443         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7444                 err(1, "setup_globals: strdup: failed to allocate memory.");
7445
7446         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7447                 err(1, "setup_globals: strdup: failed to allocate memory.");
7448 }
7449
7450 void
7451 workaround(void)
7452 {
7453         int                     i, num_screens;
7454         Atom                    netwmcheck, netwmname, utf8_string;
7455         Window                  root, win;
7456
7457         /* work around sun jdk bugs, code from wmname */
7458         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
7459         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7460         utf8_string = XInternAtom(display, "UTF8_STRING", False);
7461
7462         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7463         for (i = 0; i < num_screens; i++) {
7464                 root = screens[i].root;
7465                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
7466                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
7467                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
7468
7469                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
7470                     PropModeReplace, (unsigned char *)&win, 1);
7471                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
7472                     PropModeReplace, (unsigned char *)&win, 1);
7473                 XChangeProperty(display, win, netwmname, utf8_string, 8,
7474                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
7475         }
7476 }
7477
7478 int
7479 main(int argc, char *argv[])
7480 {
7481         struct swm_region       *r, *rr;
7482         struct ws_win           *winfocus = NULL;
7483         struct timeval          tv;
7484         union arg               a;
7485         char                    conf[PATH_MAX], *cfile = NULL;
7486         struct stat             sb;
7487         XEvent                  e;
7488         int                     xfd, i, num_screens;
7489         fd_set                  rd;
7490         struct sigaction        sact;
7491
7492         start_argv = argv;
7493         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7494         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7495             !XSupportsLocale())
7496                 warnx("no locale support");
7497
7498         if (!X_HAVE_UTF8_STRING)
7499                 warnx("no UTF-8 support");
7500
7501         if (!(display = XOpenDisplay(0)))
7502                 errx(1, "can not open display");
7503
7504         if (!(conn = XGetXCBConnection(display)))
7505                 errx(1, "can not get XCB connection");
7506
7507         if (active_wm())
7508                 errx(1, "other wm running");
7509
7510         /* handle some signals */
7511         bzero(&sact, sizeof(sact));
7512         sigemptyset(&sact.sa_mask);
7513         sact.sa_flags = 0;
7514         sact.sa_handler = sighdlr;
7515         sigaction(SIGINT, &sact, NULL);
7516         sigaction(SIGQUIT, &sact, NULL);
7517         sigaction(SIGTERM, &sact, NULL);
7518         sigaction(SIGHUP, &sact, NULL);
7519
7520         sact.sa_handler = sighdlr;
7521         sact.sa_flags = SA_NOCLDSTOP;
7522         sigaction(SIGCHLD, &sact, NULL);
7523
7524         astate = XInternAtom(display, "WM_STATE", False);
7525         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
7526         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
7527         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
7528         a_wmname = XInternAtom(display, "WM_NAME", False);
7529         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7530         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
7531         a_string = XInternAtom(display, "STRING", False);
7532         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
7533
7534         /* look for local and global conf file */
7535         pwd = getpwuid(getuid());
7536         if (pwd == NULL)
7537                 errx(1, "invalid user: %d", getuid());
7538
7539         setup_globals();
7540         setup_screens();
7541         setup_keys();
7542         setup_quirks();
7543         setup_spawn();
7544
7545         /* load config */
7546         for (i = 0; ; i++) {
7547                 conf[0] = '\0';
7548                 switch (i) {
7549                 case 0:
7550                         /* ~ */
7551                         snprintf(conf, sizeof conf, "%s/.%s",
7552                             pwd->pw_dir, SWM_CONF_FILE);
7553                         break;
7554                 case 1:
7555                         /* global */
7556                         snprintf(conf, sizeof conf, "/etc/%s",
7557                             SWM_CONF_FILE);
7558                         break;
7559                 case 2:
7560                         /* ~ compat */
7561                         snprintf(conf, sizeof conf, "%s/.%s",
7562                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7563                         break;
7564                 case 3:
7565                         /* global compat */
7566                         snprintf(conf, sizeof conf, "/etc/%s",
7567                             SWM_CONF_FILE_OLD);
7568                         break;
7569                 default:
7570                         goto noconfig;
7571                 }
7572
7573                 if (strlen(conf) && stat(conf, &sb) != -1)
7574                         if (S_ISREG(sb.st_mode)) {
7575                                 cfile = conf;
7576                                 break;
7577                         }
7578         }
7579 noconfig:
7580
7581         /* load conf (if any) */
7582         if (cfile)
7583                 conf_load(cfile, SWM_CONF_DEFAULT);
7584
7585         setup_ewmh();
7586         /* set some values to work around bad programs */
7587         workaround();
7588         /* grab existing windows (before we build the bars) */
7589         grab_windows();
7590
7591         if (getenv("SWM_STARTED") == NULL)
7592                 setenv("SWM_STARTED", "YES", 1);
7593
7594         /* setup all bars */
7595         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7596         for (i = 0; i < num_screens; i++)
7597                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7598                         if (winfocus == NULL)
7599                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7600                         bar_setup(r);
7601                 }
7602
7603         unfocus_all();
7604
7605         grabkeys();
7606         stack();
7607         if (focus_mode == SWM_FOCUS_DEFAULT)
7608                 drain_enter_notify();
7609
7610         xfd = ConnectionNumber(display);
7611         while (running) {
7612                 while (XPending(display)) {
7613                         XNextEvent(display, &e);
7614                         if (running == 0)
7615                                 goto done;
7616                         if (e.type < LASTEvent) {
7617                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7618                                     "window: 0x%lx, type: %s (%d), %d remaining"
7619                                     "\n", YESNO(handler[e.type]),
7620                                     e.xany.window, geteventname(&e),
7621                                     e.type, QLength(display));
7622
7623                                 if (handler[e.type])
7624                                         handler[e.type](&e);
7625                         } else {
7626                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7627                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7628                                     xrandr_geteventname(&e), e.type);
7629
7630                                 switch (e.type - xrandr_eventbase) {
7631                                 case RRScreenChangeNotify:
7632                                         screenchange(&e);
7633                                         break;
7634                                 default:
7635                                         break;
7636                                 }
7637                         }
7638                 }
7639
7640                 /* if we are being restarted go focus on first window */
7641                 if (winfocus) {
7642                         rr = winfocus->ws->r;
7643                         if (rr == NULL) {
7644                                 /* not a visible window */
7645                                 winfocus = NULL;
7646                                 continue;
7647                         }
7648                         /* move pointer to first screen if multi screen */
7649                         if (num_screens > 1 || outputs > 1)
7650                                 XWarpPointer(display, None, rr->s[0].root,
7651                                     0, 0, 0, 0, X(rr),
7652                                     Y(rr) + (bar_enabled ? bar_height : 0));
7653
7654                         a.id = SWM_ARG_ID_FOCUSCUR;
7655                         focus(rr, &a);
7656                         winfocus = NULL;
7657                         continue;
7658                 }
7659
7660                 FD_ZERO(&rd);
7661                 FD_SET(xfd, &rd);
7662                 tv.tv_sec = 1;
7663                 tv.tv_usec = 0;
7664                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7665                         if (errno != EINTR)
7666                                 DNPRINTF(SWM_D_MISC, "select failed");
7667                 if (restart_wm == 1)
7668                         restart(NULL, NULL);
7669                 if (search_resp == 1)
7670                         search_do_resp();
7671                 if (running == 0)
7672                         goto done;
7673                 if (bar_alarm) {
7674                         bar_alarm = 0;
7675                         bar_update();
7676                 }
7677         }
7678 done:
7679         teardown_ewmh();
7680         bar_extra_stop();
7681
7682         for (i = 0; i < num_screens; ++i)
7683                 if (screens[i].bar_gc != NULL)
7684                         XFreeGC(display, screens[i].bar_gc);
7685
7686         XFreeFontSet(display, bar_fs);
7687         xcb_disconnect(conn);
7688         XCloseDisplay(display);
7689
7690         return (0);
7691 }