spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <paths.h>
  70 #include <ctype.h>
  71
  72 #include <sys/types.h>
  73 #include <sys/time.h>
  74 #include <sys/stat.h>
  75 #include <sys/wait.h>
  76 #include <sys/queue.h>
  77 #include <sys/param.h>
  78 #include <sys/select.h>
  79 #if defined(__linux__)
  80 #include "tree.h"
  81 #elif defined(__OpenBSD__)
  82 #include <sys/tree.h>
  83 #elif defined(__FreeBSD__)
  84 #include <sys/tree.h>
  85 #else
  86 #include "tree.h"
  87 #endif
  88
  89 #include <X11/cursorfont.h>
  90 #include <X11/keysym.h>
  91 #include <X11/XKBlib.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/Xlib-xcb.h>
  94 #include <xcb/randr.h>
  95 #include <xcb/xcb_icccm.h>
  96 #include <xcb/xcb_keysyms.h>
  97 #include <X11/Xproto.h>
  98 #include <X11/Xutil.h>
  99 #include <X11/extensions/Xrandr.h>
 100 #include <X11/extensions/XTest.h>
 101
 102 #ifdef __OSX__
 103 #include <osx.h>
 104 #endif
 105
 106 #include "version.h"
 107
 108 #ifdef SPECTRWM_BUILDSTR
 109 static const char       *buildstr = SPECTRWM_BUILDSTR;
 110 #else
 111 static const char       *buildstr = SPECTRWM_VERSION;
 112 #endif
 113
 114 #if RANDR_MAJOR < 1
 115 #  error XRandR versions less than 1.0 are not supported
 116 #endif
 117
 118 #if RANDR_MAJOR >= 1
 119 #if RANDR_MINOR >= 2
 120 #define SWM_XRR_HAS_CRTC
 121 #endif
 122 #endif
 123
 124 /*#define SWM_DEBUG*/
 125 #ifdef SWM_DEBUG
 126 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 127 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 128 #define SWM_D_MISC              0x0001
 129 #define SWM_D_EVENT             0x0002
 130 #define SWM_D_WS                0x0004
 131 #define SWM_D_FOCUS             0x0008
 132 #define SWM_D_MOVE              0x0010
 133 #define SWM_D_STACK             0x0020
 134 #define SWM_D_MOUSE             0x0040
 135 #define SWM_D_PROP              0x0080
 136 #define SWM_D_CLASS             0x0100
 137 #define SWM_D_KEY               0x0200
 138 #define SWM_D_QUIRK             0x0400
 139 #define SWM_D_SPAWN             0x0800
 140 #define SWM_D_EVENTQ            0x1000
 141 #define SWM_D_CONF              0x2000
 142 #define SWM_D_BAR               0x4000
 143
 144 u_int32_t               swm_debug = 0
 145                             | SWM_D_MISC
 146                             | SWM_D_EVENT
 147                             | SWM_D_WS
 148                             | SWM_D_FOCUS
 149                             | SWM_D_MOVE
 150                             | SWM_D_STACK
 151                             | SWM_D_MOUSE
 152                             | SWM_D_PROP
 153                             | SWM_D_CLASS
 154                             | SWM_D_KEY
 155                             | SWM_D_QUIRK
 156                             | SWM_D_SPAWN
 157                             | SWM_D_EVENTQ
 158                             | SWM_D_CONF
 159                             | SWM_D_BAR
 160                             ;
 161 #else
 162 #define DPRINTF(x...)
 163 #define DNPRINTF(n,x...)
 164 #endif
 165
 166 #define LENGTH(x)               (sizeof x / sizeof x[0])
 167 #define MODKEY                  Mod1Mask
 168 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 169 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 170 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 171 #define SWM_PROPLEN             (16)
 172 #define SWM_FUNCNAME_LEN        (32)
 173 #define SWM_KEYS_LEN            (255)
 174 #define SWM_QUIRK_LEN           (64)
 175 #define X(r)                    (r)->g.x
 176 #define Y(r)                    (r)->g.y
 177 #define WIDTH(r)                (r)->g.w
 178 #define HEIGHT(r)               (r)->g.h
 179 #define BORDER(w)               (w->bordered ? border_width : 0)
 180 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 181 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 182 #define SH_MIN(w)               (w)->sh_mask & PMinSize
 183 #define SH_MIN_W(w)             (w)->sh.min_width
 184 #define SH_MIN_H(w)             (w)->sh.min_height
 185 #define SH_MAX(w)               (w)->sh_mask & PMaxSize
 186 #define SH_MAX_W(w)             (w)->sh.max_width
 187 #define SH_MAX_H(w)             (w)->sh.max_height
 188 #define SH_INC(w)               (w)->sh_mask & PResizeInc
 189 #define SH_INC_W(w)             (w)->sh.width_inc
 190 #define SH_INC_H(w)             (w)->sh.height_inc
 191 #define SWM_MAX_FONT_STEPS      (3)
 192 #define WINID(w)                ((w) ? (w)->id : 0)
 193 #define YESNO(x)                ((x) ? "yes" : "no")
 194
 195 #define SWM_FOCUS_DEFAULT       (0)
 196 #define SWM_FOCUS_SYNERGY       (1)
 197 #define SWM_FOCUS_FOLLOW        (2)
 198
 199 #define SWM_CONF_DEFAULT        (0)
 200 #define SWM_CONF_KEYMAPPING     (1)
 201
 202 #ifndef SWM_LIB
 203 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 204 #endif
 205
 206 char                    **start_argv;
 207 xcb_atom_t              astate;
 208 xcb_atom_t              aprot;
 209 xcb_atom_t              adelete;
 210 xcb_atom_t              takefocus;
 211 xcb_atom_t              a_wmname;
 212 xcb_atom_t              a_netwmname;
 213 xcb_atom_t              a_utf8_string;
 214 xcb_atom_t              a_string;
 215 xcb_atom_t              a_swm_iconic;
 216 volatile sig_atomic_t   running = 1;
 217 volatile sig_atomic_t   restart_wm = 0;
 218 int                     outputs = 0;
 219 int                     last_focus_event = FocusOut;
 220 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 221 int                     other_wm;
 222 int                     ss_enabled = 0;
 223 int                     xrandr_support;
 224 int                     xrandr_eventbase;
 225 unsigned int            numlockmask = 0;
 226 Display                 *display;
 227 xcb_connection_t        *conn;
 228
 229 int                     cycle_empty = 0;
 230 int                     cycle_visible = 0;
 231 int                     term_width = 0;
 232 int                     font_adjusted = 0;
 233 unsigned int            mod_key = MODKEY;
 234
 235 /* dmenu search */
 236 struct swm_region       *search_r;
 237 int                     select_list_pipe[2];
 238 int                     select_resp_pipe[2];
 239 pid_t                   searchpid;
 240 volatile sig_atomic_t   search_resp;
 241 int                     search_resp_action;
 242
 243 struct search_window {
 244         TAILQ_ENTRY(search_window)      entry;
 245         int                             idx;
 246         struct ws_win                   *win;
 247         GC                              gc;
 248         xcb_window_t                    indicator;
 249 };
 250 TAILQ_HEAD(search_winlist, search_window);
 251 struct search_winlist                   search_wl;
 252
 253 /* search actions */
 254 enum {
 255         SWM_SEARCH_NONE,
 256         SWM_SEARCH_UNICONIFY,
 257         SWM_SEARCH_NAME_WORKSPACE,
 258         SWM_SEARCH_SEARCH_WORKSPACE,
 259         SWM_SEARCH_SEARCH_WINDOW
 260 };
 261
 262 #define SWM_STACK_TOP           (0)
 263 #define SWM_STACK_BOTTOM        (1)
 264 #define SWM_STACK_ABOVE         (2)
 265 #define SWM_STACK_BELOW         (3)
 266
 267 /* dialog windows */
 268 double                  dialog_ratio = 0.6;
 269 /* status bar */
 270 #define SWM_BAR_MAX             (256)
 271 #define SWM_BAR_JUSTIFY_LEFT    (0)
 272 #define SWM_BAR_JUSTIFY_CENTER  (1)
 273 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 274 #define SWM_BAR_OFFSET          (4)
 275 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 276                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 277                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 278                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 279                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 280
 281 #ifdef X_HAVE_UTF8_STRING
 282 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 283 #else
 284 #define DRAWSTRING(x...)        XmbDrawString(x)
 285 #endif
 286
 287 char                    *bar_argv[] = { NULL, NULL };
 288 int                     bar_pipe[2];
 289 unsigned char           bar_ext[SWM_BAR_MAX];
 290 char                    bar_vertext[SWM_BAR_MAX];
 291 int                     bar_version = 0;
 292 sig_atomic_t            bar_alarm = 0;
 293 int                     bar_delay = 30;
 294 int                     bar_enabled = 1;
 295 int                     bar_border_width = 1;
 296 int                     bar_at_bottom = 0;
 297 int                     bar_extra = 1;
 298 int                     bar_extra_running = 0;
 299 int                     bar_verbose = 1;
 300 int                     bar_height = 0;
 301 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 302 char                    *bar_format = NULL;
 303 int                     stack_enabled = 1;
 304 int                     clock_enabled = 1;
 305 int                     urgent_enabled = 0;
 306 char                    *clock_format = NULL;
 307 int                     title_name_enabled = 0;
 308 int                     title_class_enabled = 0;
 309 int                     window_name_enabled = 0;
 310 int                     focus_mode = SWM_FOCUS_DEFAULT;
 311 int                     focus_close = SWM_STACK_BELOW;
 312 int                     focus_close_wrap = 1;
 313 int                     focus_default = SWM_STACK_TOP;
 314 int                     spawn_position = SWM_STACK_TOP;
 315 int                     disable_border = 0;
 316 int                     border_width = 1;
 317 int                     verbose_layout = 0;
 318 pid_t                   bar_pid;
 319 XFontSet                bar_fs;
 320 XFontSetExtents         *bar_fs_extents;
 321 char                    *bar_fonts;
 322 struct passwd           *pwd;
 323
 324 #define SWM_MENU_FN     (2)
 325 #define SWM_MENU_NB     (4)
 326 #define SWM_MENU_NF     (6)
 327 #define SWM_MENU_SB     (8)
 328 #define SWM_MENU_SF     (10)
 329
 330 /* layout manager data */
 331 struct swm_geometry {
 332         int                     x;
 333         int                     y;
 334         int                     w;
 335         int                     h;
 336 };
 337
 338 struct swm_screen;
 339 struct workspace;
 340
 341 struct swm_bar {
 342         xcb_window_t            id;
 343         xcb_pixmap_t            buffer;
 344         struct swm_geometry     g;
 345 };
 346
 347 /* virtual "screens" */
 348 struct swm_region {
 349         TAILQ_ENTRY(swm_region) entry;
 350         struct swm_geometry     g;
 351         struct workspace        *ws;    /* current workspace on this region */
 352         struct workspace        *ws_prior; /* prior workspace on this region */
 353         struct swm_screen       *s;     /* screen idx */
 354         struct swm_bar          *bar;
 355 };
 356 TAILQ_HEAD(swm_region_list, swm_region);
 357
 358 struct ws_win {
 359         TAILQ_ENTRY(ws_win)     entry;
 360         xcb_window_t            id;
 361         xcb_window_t            transient;
 362         struct ws_win           *child_trans;   /* transient child window */
 363         struct swm_geometry     g;              /* current geometry */
 364         struct swm_geometry     g_float;        /* region coordinates */
 365         int                     g_floatvalid;   /* g_float geometry validity */
 366         int                     floatmaxed;     /* whether maxed by max_stack */
 367         int                     floating;
 368         int                     manual;
 369         int                     iconic;
 370         int                     bordered;
 371         unsigned int            ewmh_flags;
 372         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 373         int                     font_steps;
 374         int                     last_inc;
 375         int                     can_delete;
 376         int                     take_focus;
 377         int                     java;
 378         unsigned long           quirks;
 379         struct workspace        *ws;    /* always valid */
 380         struct swm_screen       *s;     /* always valid, never changes */
 381         XWindowAttributes       wa;
 382         XSizeHints              sh;
 383         long                    sh_mask;
 384         XClassHint              ch;
 385         XWMHints                *hints;
 386 };
 387 TAILQ_HEAD(ws_win_list, ws_win);
 388
 389 /* pid goo */
 390 struct pid_e {
 391         TAILQ_ENTRY(pid_e)      entry;
 392         long                    pid;
 393         int                     ws;
 394 };
 395 TAILQ_HEAD(pid_list, pid_e);
 396 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 397
 398 /* layout handlers */
 399 void    stack(void);
 400 void    vertical_config(struct workspace *, int);
 401 void    vertical_stack(struct workspace *, struct swm_geometry *);
 402 void    horizontal_config(struct workspace *, int);
 403 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 404 void    max_stack(struct workspace *, struct swm_geometry *);
 405 void    plain_stacker(struct workspace *);
 406 void    fancy_stacker(struct workspace *);
 407
 408 struct ws_win *find_window(xcb_window_t);
 409
 410 void            grabbuttons(struct ws_win *, int);
 411 void            new_region(struct swm_screen *, int, int, int, int);
 412 void            unmanage_window(struct ws_win *);
 413 uint16_t        getstate(xcb_window_t);
 414
 415 int             conf_load(char *, int);
 416
 417 struct layout {
 418         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 419         void            (*l_config)(struct workspace *, int);
 420         u_int32_t       flags;
 421 #define SWM_L_FOCUSPREV         (1<<0)
 422 #define SWM_L_MAPONFOCUS        (1<<1)
 423         void            (*l_string)(struct workspace *);
 424 } layouts[] =  {
 425         /* stack,               configure */
 426         { vertical_stack,       vertical_config,        0,      plain_stacker },
 427         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 428         { max_stack,            NULL,
 429           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 430         { NULL,                 NULL,                   0,      NULL  },
 431 };
 432
 433 /* position of max_stack mode in the layouts array, index into layouts! */
 434 #define SWM_V_STACK             (0)
 435 #define SWM_H_STACK             (1)
 436 #define SWM_MAX_STACK           (2)
 437
 438 #define SWM_H_SLICE             (32)
 439 #define SWM_V_SLICE             (32)
 440
 441 /* define work spaces */
 442 struct workspace {
 443         int                     idx;            /* workspace index */
 444         char                    *name;          /* workspace name */
 445         int                     always_raise;   /* raise windows on focus */
 446         struct layout           *cur_layout;    /* current layout handlers */
 447         struct ws_win           *focus;         /* may be NULL */
 448         struct ws_win           *focus_prev;    /* may be NULL */
 449         struct swm_region       *r;             /* may be NULL */
 450         struct swm_region       *old_r;         /* may be NULL */
 451         struct ws_win_list      winlist;        /* list of windows in ws */
 452         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 453         char                    stacker[10];    /* display stacker and layout */
 454
 455         /* stacker state */
 456         struct {
 457                                 int horizontal_msize;
 458                                 int horizontal_mwin;
 459                                 int horizontal_stacks;
 460                                 int horizontal_flip;
 461                                 int vertical_msize;
 462                                 int vertical_mwin;
 463                                 int vertical_stacks;
 464                                 int vertical_flip;
 465         } l_state;
 466 };
 467
 468 enum {
 469         SWM_S_COLOR_BAR,
 470         SWM_S_COLOR_BAR_BORDER,
 471         SWM_S_COLOR_BAR_FONT,
 472         SWM_S_COLOR_FOCUS,
 473         SWM_S_COLOR_UNFOCUS,
 474         SWM_S_COLOR_MAX
 475 };
 476
 477 /* physical screen mapping */
 478 #define SWM_WS_MAX              (22)    /* hard limit */
 479 int             workspace_limit = 10;   /* soft limit */
 480
 481 struct swm_screen {
 482         int                     idx;    /* screen index */
 483         struct swm_region_list  rl;     /* list of regions on this screen */
 484         struct swm_region_list  orl;    /* list of old regions */
 485         xcb_window_t            root;
 486         struct workspace        ws[SWM_WS_MAX];
 487
 488         /* colors */
 489         struct {
 490                 uint32_t        color;
 491                 char            *name;
 492         } c[SWM_S_COLOR_MAX];
 493
 494         GC                      bar_gc;
 495 };
 496 struct swm_screen       *screens;
 497
 498 /* args to functions */
 499 union arg {
 500         int                     id;
 501 #define SWM_ARG_ID_FOCUSNEXT    (0)
 502 #define SWM_ARG_ID_FOCUSPREV    (1)
 503 #define SWM_ARG_ID_FOCUSMAIN    (2)
 504 #define SWM_ARG_ID_FOCUSCUR     (4)
 505 #define SWM_ARG_ID_SWAPNEXT     (10)
 506 #define SWM_ARG_ID_SWAPPREV     (11)
 507 #define SWM_ARG_ID_SWAPMAIN     (12)
 508 #define SWM_ARG_ID_MOVELAST     (13)
 509 #define SWM_ARG_ID_MASTERSHRINK (20)
 510 #define SWM_ARG_ID_MASTERGROW   (21)
 511 #define SWM_ARG_ID_MASTERADD    (22)
 512 #define SWM_ARG_ID_MASTERDEL    (23)
 513 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 514 #define SWM_ARG_ID_STACKRESET   (30)
 515 #define SWM_ARG_ID_STACKINIT    (31)
 516 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 517 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 518 #define SWM_ARG_ID_CYCLESC_UP   (42)
 519 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 520 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 521 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 522 #define SWM_ARG_ID_STACKINC     (50)
 523 #define SWM_ARG_ID_STACKDEC     (51)
 524 #define SWM_ARG_ID_SS_ALL       (60)
 525 #define SWM_ARG_ID_SS_WINDOW    (61)
 526 #define SWM_ARG_ID_DONTCENTER   (70)
 527 #define SWM_ARG_ID_CENTER       (71)
 528 #define SWM_ARG_ID_KILLWINDOW   (80)
 529 #define SWM_ARG_ID_DELETEWINDOW (81)
 530 #define SWM_ARG_ID_WIDTHGROW    (90)
 531 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 532 #define SWM_ARG_ID_HEIGHTGROW   (92)
 533 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 534 #define SWM_ARG_ID_MOVEUP       (100)
 535 #define SWM_ARG_ID_MOVEDOWN     (101)
 536 #define SWM_ARG_ID_MOVELEFT     (102)
 537 #define SWM_ARG_ID_MOVERIGHT    (103)
 538         char                    **argv;
 539 };
 540
 541 void    focus(struct swm_region *, union arg *);
 542 void    focus_magic(struct ws_win *);
 543
 544 /* quirks */
 545 struct quirk {
 546         TAILQ_ENTRY(quirk)      entry;
 547         char                    *class;
 548         char                    *name;
 549         unsigned long           quirk;
 550 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 551 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 552 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 553 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 554 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 555 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 556 };
 557 TAILQ_HEAD(quirk_list, quirk);
 558 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 559
 560 /*
 561  * Supported EWMH hints should be added to
 562  * both the enum and the ewmh array
 563  */
 564 enum {
 565         _NET_ACTIVE_WINDOW,
 566         _NET_CLOSE_WINDOW,
 567         _NET_MOVERESIZE_WINDOW,
 568         _NET_WM_ACTION_CLOSE,
 569         _NET_WM_ACTION_FULLSCREEN,
 570         _NET_WM_ACTION_MOVE,
 571         _NET_WM_ACTION_RESIZE,
 572         _NET_WM_ALLOWED_ACTIONS,
 573         _NET_WM_STATE,
 574         _NET_WM_STATE_ABOVE,
 575         _NET_WM_STATE_FULLSCREEN,
 576         _NET_WM_STATE_HIDDEN,
 577         _NET_WM_STATE_MAXIMIZED_HORZ,
 578         _NET_WM_STATE_MAXIMIZED_VERT,
 579         _NET_WM_STATE_SKIP_PAGER,
 580         _NET_WM_STATE_SKIP_TASKBAR,
 581         _NET_WM_WINDOW_TYPE,
 582         _NET_WM_WINDOW_TYPE_DIALOG,
 583         _NET_WM_WINDOW_TYPE_DOCK,
 584         _NET_WM_WINDOW_TYPE_NORMAL,
 585         _NET_WM_WINDOW_TYPE_SPLASH,
 586         _NET_WM_WINDOW_TYPE_TOOLBAR,
 587         _NET_WM_WINDOW_TYPE_UTILITY,
 588         _SWM_WM_STATE_MANUAL,
 589         SWM_EWMH_HINT_MAX
 590 };
 591
 592 struct ewmh_hint {
 593         char            *name;
 594         xcb_atom_t      atom;
 595 } ewmh[SWM_EWMH_HINT_MAX] =     {
 596     /* must be in same order as in the enum */
 597     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 598     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 599     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 600     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 601     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 602     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 603     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 604     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 605     {"_NET_WM_STATE", XCB_ATOM_NONE},
 606     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 607     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 608     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 609     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 610     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 611     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 612     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 613     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 614     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 615     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 616     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 617     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 618     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 619     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 620     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 621 };
 622
 623 void             store_float_geom(struct ws_win *, struct swm_region *);
 624 int              floating_toggle_win(struct ws_win *);
 625 void             constrain_window(struct ws_win *, struct swm_region *, int);
 626 void             update_window(struct ws_win *);
 627 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 628 unsigned char   *get_win_name(xcb_window_t);
 629 xcb_atom_t       get_atom_from_string(const char *);
 630 void            map_window_raised(xcb_window_t);
 631 void            do_sync(void);
 632
 633 void
 634 do_sync(void)
 635 {
 636         xcb_get_input_focus_cookie_t    c;
 637         xcb_get_input_focus_reply_t     *r;
 638
 639         /* mimic XSync() */
 640         c = xcb_get_input_focus(conn);
 641         xcb_flush(conn);
 642         r = xcb_get_input_focus_reply(conn, c, NULL);
 643         if (r)
 644                 free(r);
 645 }
 646
 647 void
 648 map_window_raised(xcb_window_t win)
 649 {
 650         uint32_t        val = XCB_STACK_MODE_ABOVE;
 651
 652         xcb_configure_window(conn, win,
 653                 XCB_CONFIG_WINDOW_STACK_MODE, &val);
 654
 655         xcb_map_window(conn, win);
 656         xcb_flush(conn);
 657 }
 658
 659 xcb_atom_t
 660 get_atom_from_string(const char *str)
 661 {
 662         xcb_intern_atom_cookie_t        c;
 663         xcb_intern_atom_reply_t         *r;
 664         xcb_atom_t                      atom;
 665
 666         c = xcb_intern_atom(conn, False, strlen(str), str);
 667         r = xcb_intern_atom_reply(conn, c, NULL);
 668         if (r) {
 669                 atom = r->atom;
 670                 free(r);
 671
 672                 return (atom);
 673         }
 674
 675         return (XCB_ATOM_NONE);
 676 }
 677
 678 int
 679 get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
 680     unsigned long *nbytes, unsigned char **data)
 681 {
 682         int                     format, status;
 683         unsigned long           *nbytes_ret, *nitems_ret;
 684         unsigned long           nbytes_tmp, nitems_tmp;
 685         Atom                    real;
 686
 687         nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
 688         nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
 689
 690         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 691             &real, &format, nitems_ret, nbytes_ret, data);
 692
 693         if (status != Success)
 694                 return (False);
 695         if (real != type)
 696                 return (False);
 697
 698         return (True);
 699 }
 700
 701 void
 702 update_iconic(struct ws_win *win, int newv)
 703 {
 704         int32_t                         v = newv;
 705         xcb_atom_t                      iprop;
 706
 707         win->iconic = newv;
 708
 709         iprop = get_atom_from_string("_SWM_ICONIC");
 710         if (iprop == XCB_ATOM_NONE)
 711                 return;
 712
 713         if (newv)
 714                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 715                         iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 716         else
 717                 xcb_delete_property(conn, win->id, iprop);
 718 }
 719
 720 int
 721 get_iconic(struct ws_win *win)
 722 {
 723         int32_t v = 0, *vtmp;
 724         xcb_atom_t                      iprop;
 725         xcb_get_property_cookie_t       pc;
 726         xcb_get_property_reply_t        *pr;
 727
 728         iprop = get_atom_from_string("_SWM_ICONIC");
 729         if (iprop == XCB_ATOM_NONE)
 730                 goto out;
 731
 732         pc = xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 733                         0, 1);
 734         pr = xcb_get_property_reply(conn, pc, NULL);
 735         if (!pr)
 736                 goto out;
 737         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 738                 goto out;
 739         vtmp = xcb_get_property_value(pr);
 740         v = *vtmp;
 741 out:
 742         if (pr != NULL)
 743                 free(pr);
 744         return (v);
 745 }
 746
 747 void
 748 setup_ewmh(void)
 749 {
 750         xcb_atom_t                      sup_list;
 751         int                             i, j, num_screens;
 752
 753         sup_list = get_atom_from_string("_NET_SUPPORTED");
 754
 755         for (i = 0; i < LENGTH(ewmh); i++)
 756                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 757
 758         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 759         for (i = 0; i < num_screens; i++) {
 760                 /* Support check window will be created by workaround(). */
 761
 762                 /* Report supported atoms */
 763                 xcb_delete_property(conn, screens[i].root, sup_list);
 764                 for (j = 0; j < LENGTH(ewmh); j++)
 765                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 766                                 screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 767                                 &ewmh[j].atom);
 768         }
 769 }
 770
 771 void
 772 teardown_ewmh(void)
 773 {
 774         int                             i, num_screens;
 775         xcb_atom_t                      sup_check, sup_list;
 776         xcb_window_t                    id;
 777         xcb_get_property_cookie_t       pc;
 778         xcb_get_property_reply_t        *pr;
 779
 780         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 781         sup_list = get_atom_from_string("_NET_SUPPORTED");
 782         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 783
 784         for (i = 0; i < num_screens; i++) {
 785                 /* Get the support check window and destroy it */
 786                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 787                         XCB_ATOM_WINDOW, 0, 1);
 788                 pr = xcb_get_property_reply(conn, pc, NULL);
 789                 if (pr) {
 790                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 791
 792                         xcb_destroy_window(conn, id);
 793                         xcb_delete_property(conn, screens[i].root, sup_check);
 794                         xcb_delete_property(conn, screens[i].root, sup_list);
 795
 796                         free(pr);
 797                 }
 798         }
 799 }
 800
 801 void
 802 ewmh_autoquirk(struct ws_win *win)
 803 {
 804         int                     i;
 805         unsigned long           n;
 806         xcb_atom_t              type;
 807
 808         xcb_get_property_cookie_t       c;
 809         xcb_get_property_reply_t        *r;
 810
 811         c = xcb_get_property(conn, False, win->id,
 812                 ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, (~0L));
 813         r = xcb_get_property_reply(conn, c, NULL);
 814         if (!r)
 815                 return;
 816         n = xcb_get_property_value_length(r);
 817
 818         for (i = 0; i < n; i++) {
 819                 type = *((xcb_atom_t *)xcb_get_property_value(r));
 820                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 821                         break;
 822                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 823                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 824                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 825                         win->floating = 1;
 826                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 827                         break;
 828                 }
 829                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 830                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 831                         win->floating = 1;
 832                         win->quirks = SWM_Q_FLOAT;
 833                         break;
 834                 }
 835         }
 836         free(r);
 837 }
 838
 839 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 840 #define EWMH_F_FULLSCREEN               (1<<0)
 841 #define EWMH_F_ABOVE                    (1<<1)
 842 #define EWMH_F_HIDDEN                   (1<<2)
 843 #define EWMH_F_SKIP_PAGER               (1<<3)
 844 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 845 #define SWM_F_MANUAL                    (1<<5)
 846
 847 int
 848 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 849 {
 850         if (!win->ws->r)
 851                 return (0);
 852
 853         if (!win->floating)
 854                 return (0);
 855
 856         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 857             "fullscreen %s\n", win->id, YESNO(fs));
 858
 859         if (fs) {
 860                 if (!win->g_floatvalid)
 861                         store_float_geom(win, win->ws->r);
 862
 863                 win->g = win->ws->r->g;
 864                 win->bordered = 0;
 865         } else {
 866                 if (win->g_floatvalid) {
 867                         /* refloat at last floating relative position */
 868                         win->g = win->g_float;
 869                         X(win) += X(win->ws->r);
 870                         Y(win) += Y(win->ws->r);
 871                 }
 872         }
 873
 874         return (1);
 875 }
 876
 877 void
 878 ewmh_update_actions(struct ws_win *win)
 879 {
 880         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 881         int                     n = 0;
 882
 883         if (win == NULL)
 884                 return;
 885
 886         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 887
 888         if (win->floating) {
 889                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 890                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 891         }
 892
 893         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 894                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 895                 actions);
 896 }
 897
 898 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 899 #define _NET_WM_STATE_ADD       1    /* add/set property */
 900 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 901
 902 void
 903 ewmh_update_win_state(struct ws_win *win, long state, long action)
 904 {
 905         unsigned int            mask = 0;
 906         unsigned int            changed = 0;
 907         unsigned int            orig_flags;
 908
 909         if (win == NULL)
 910                 return;
 911
 912         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 913                 mask = EWMH_F_FULLSCREEN;
 914         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 915                 mask = EWMH_F_ABOVE;
 916         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 917                 mask = SWM_F_MANUAL;
 918         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 919                 mask = EWMH_F_SKIP_PAGER;
 920         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 921                 mask = EWMH_F_SKIP_TASKBAR;
 922
 923
 924         orig_flags = win->ewmh_flags;
 925
 926         switch (action) {
 927         case _NET_WM_STATE_REMOVE:
 928                 win->ewmh_flags &= ~mask;
 929                 break;
 930         case _NET_WM_STATE_ADD:
 931                 win->ewmh_flags |= mask;
 932                 break;
 933         case _NET_WM_STATE_TOGGLE:
 934                 win->ewmh_flags ^= mask;
 935                 break;
 936         }
 937
 938         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 939
 940         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 941                 if (changed)
 942                         if (!floating_toggle_win(win))
 943                                 win->ewmh_flags = orig_flags; /* revert */
 944         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 945                 if (changed)
 946                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 947         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 948                 if (changed)
 949                         if (!ewmh_set_win_fullscreen(win,
 950                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 951                                 win->ewmh_flags = orig_flags; /* revert */
 952
 953         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 954
 955         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 956                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 957                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 958                         &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 959         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 960                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 961                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 962                         &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 963         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 964                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 965                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 966                         &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
 967         if (win->ewmh_flags & EWMH_F_ABOVE)
 968                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 969                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 970                         &ewmh[_NET_WM_STATE_ABOVE].atom);
 971         if (win->ewmh_flags & SWM_F_MANUAL)
 972                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 973                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 974                         &ewmh[_SWM_WM_STATE_MANUAL].atom);
 975 }
 976
 977 void
 978 ewmh_get_win_state(struct ws_win *win)
 979 {
 980         xcb_atom_t                      *states;
 981         xcb_get_property_cookie_t       c;
 982         xcb_get_property_reply_t        *r;
 983         int                             i, n;
 984
 985         if (win == NULL)
 986                 return;
 987
 988         win->ewmh_flags = 0;
 989         if (win->floating)
 990                 win->ewmh_flags |= EWMH_F_ABOVE;
 991         if (win->manual)
 992                 win->ewmh_flags |= SWM_F_MANUAL;
 993
 994         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
 995                 XCB_ATOM_ATOM, 0, (~0L));
 996         r = xcb_get_property_reply(conn, c, NULL);
 997         if (!r)
 998                 return;
 999
1000         states = xcb_get_property_value(r);
1001         n = xcb_get_property_value_length(r);
1002
1003         free(r);
1004
1005         for (i = 0; i < n; i++)
1006                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1007 }
1008
1009 /* events */
1010 #ifdef SWM_DEBUG
1011 char *
1012 geteventname(XEvent *e)
1013 {
1014         char                    *name = NULL;
1015
1016         switch (e->type) {
1017         case KeyPress:
1018                 name = "KeyPress";
1019                 break;
1020         case KeyRelease:
1021                 name = "KeyRelease";
1022                 break;
1023         case ButtonPress:
1024                 name = "ButtonPress";
1025                 break;
1026         case ButtonRelease:
1027                 name = "ButtonRelease";
1028                 break;
1029         case MotionNotify:
1030                 name = "MotionNotify";
1031                 break;
1032         case EnterNotify:
1033                 name = "EnterNotify";
1034                 break;
1035         case LeaveNotify:
1036                 name = "LeaveNotify";
1037                 break;
1038         case FocusIn:
1039                 name = "FocusIn";
1040                 break;
1041         case FocusOut:
1042                 name = "FocusOut";
1043                 break;
1044         case KeymapNotify:
1045                 name = "KeymapNotify";
1046                 break;
1047         case Expose:
1048                 name = "Expose";
1049                 break;
1050         case GraphicsExpose:
1051                 name = "GraphicsExpose";
1052                 break;
1053         case NoExpose:
1054                 name = "NoExpose";
1055                 break;
1056         case VisibilityNotify:
1057                 name = "VisibilityNotify";
1058                 break;
1059         case CreateNotify:
1060                 name = "CreateNotify";
1061                 break;
1062         case DestroyNotify:
1063                 name = "DestroyNotify";
1064                 break;
1065         case UnmapNotify:
1066                 name = "UnmapNotify";
1067                 break;
1068         case MapNotify:
1069                 name = "MapNotify";
1070                 break;
1071         case MapRequest:
1072                 name = "MapRequest";
1073                 break;
1074         case ReparentNotify:
1075                 name = "ReparentNotify";
1076                 break;
1077         case ConfigureNotify:
1078                 name = "ConfigureNotify";
1079                 break;
1080         case ConfigureRequest:
1081                 name = "ConfigureRequest";
1082                 break;
1083         case GravityNotify:
1084                 name = "GravityNotify";
1085                 break;
1086         case ResizeRequest:
1087                 name = "ResizeRequest";
1088                 break;
1089         case CirculateNotify:
1090                 name = "CirculateNotify";
1091                 break;
1092         case CirculateRequest:
1093                 name = "CirculateRequest";
1094                 break;
1095         case PropertyNotify:
1096                 name = "PropertyNotify";
1097                 break;
1098         case SelectionClear:
1099                 name = "SelectionClear";
1100                 break;
1101         case SelectionRequest:
1102                 name = "SelectionRequest";
1103                 break;
1104         case SelectionNotify:
1105                 name = "SelectionNotify";
1106                 break;
1107         case ColormapNotify:
1108                 name = "ColormapNotify";
1109                 break;
1110         case ClientMessage:
1111                 name = "ClientMessage";
1112                 break;
1113         case MappingNotify:
1114                 name = "MappingNotify";
1115                 break;
1116         default:
1117                 name = "Unknown";
1118         }
1119
1120         return (name);
1121 }
1122
1123 char *
1124 xrandr_geteventname(XEvent *e)
1125 {
1126         char                    *name = NULL;
1127
1128         switch(e->type - xrandr_eventbase) {
1129         case RRScreenChangeNotify:
1130                 name = "RRScreenChangeNotify";
1131                 break;
1132         default:
1133                 name = "Unknown";
1134         }
1135
1136         return (name);
1137 }
1138
1139 void
1140 dumpwins(struct swm_region *r, union arg *args)
1141 {
1142         struct ws_win                           *win;
1143         uint16_t                                state;
1144         xcb_get_window_attributes_cookie_t      c;
1145         xcb_get_window_attributes_reply_t       *wa;
1146
1147         if (r->ws == NULL) {
1148                 warnx("dumpwins: invalid workspace");
1149                 return;
1150         }
1151
1152         warnx("=== managed window list ws %02d ===", r->ws->idx);
1153         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1154                 state = getstate(win->id);
1155                 c = xcb_get_window_attributes(conn, win->id);
1156                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1157                 if (wa) {
1158                         warnx("window: 0x%x, map_state: %d, state: %u, "
1159                                 "transient: 0x%x", win->id, wa->map_state,
1160                                 state, win->transient);
1161                         free(wa);
1162                 } else
1163                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1164                             win->id);
1165         }
1166
1167         warnx("===== unmanaged window list =====");
1168         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1169                 state = getstate(win->id);
1170                 c = xcb_get_window_attributes(conn, win->id);
1171                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1172                 if (wa) {
1173                         warnx("window: 0x%lx, map_state: %d, state: %u, "
1174                                 "transient: 0x%lx", win->id, wa->map_state,
1175                                 state, win->transient);
1176                         free(wa);
1177                 } else
1178                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1179                             win->id);
1180         }
1181
1182         warnx("=================================");
1183 }
1184 #else
1185 void
1186 dumpwins(struct swm_region *r, union arg *args)
1187 {
1188 }
1189 #endif /* SWM_DEBUG */
1190
1191 void                    expose(XEvent *);
1192 void                    keypress(XEvent *);
1193 void                    buttonpress(XEvent *);
1194 void                    configurerequest(XEvent *);
1195 void                    configurenotify(XEvent *);
1196 void                    destroynotify(XEvent *);
1197 void                    enternotify(XEvent *);
1198 void                    focusevent(XEvent *);
1199 void                    mapnotify(XEvent *);
1200 void                    mappingnotify(XEvent *);
1201 void                    maprequest(XEvent *);
1202 void                    propertynotify(XEvent *);
1203 void                    unmapnotify(XEvent *);
1204 void                    visibilitynotify(XEvent *);
1205 void                    clientmessage(XEvent *);
1206
1207 void                    (*handler[LASTEvent])(XEvent *) = {
1208                                 [Expose] = expose,
1209                                 [KeyPress] = keypress,
1210                                 [ButtonPress] = buttonpress,
1211                                 [ConfigureRequest] = configurerequest,
1212                                 [ConfigureNotify] = configurenotify,
1213                                 [DestroyNotify] = destroynotify,
1214                                 [EnterNotify] = enternotify,
1215                                 [FocusIn] = focusevent,
1216                                 [FocusOut] = focusevent,
1217                                 [MapNotify] = mapnotify,
1218                                 [MappingNotify] = mappingnotify,
1219                                 [MapRequest] = maprequest,
1220                                 [PropertyNotify] = propertynotify,
1221                                 [UnmapNotify] = unmapnotify,
1222                                 [VisibilityNotify] = visibilitynotify,
1223                                 [ClientMessage] = clientmessage,
1224 };
1225
1226 void
1227 sighdlr(int sig)
1228 {
1229         int                     saved_errno, status;
1230         pid_t                   pid;
1231
1232         saved_errno = errno;
1233
1234         switch (sig) {
1235         case SIGCHLD:
1236                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1237                         if (pid == -1) {
1238                                 if (errno == EINTR)
1239                                         continue;
1240 #ifdef SWM_DEBUG
1241                                 if (errno != ECHILD)
1242                                         warn("sighdlr: waitpid");
1243 #endif /* SWM_DEBUG */
1244                                 break;
1245                         }
1246                         if (pid == searchpid)
1247                                 search_resp = 1;
1248
1249 #ifdef SWM_DEBUG
1250                         if (WIFEXITED(status)) {
1251                                 if (WEXITSTATUS(status) != 0)
1252                                         warnx("sighdlr: child exit status: %d",
1253                                             WEXITSTATUS(status));
1254                         } else
1255                                 warnx("sighdlr: child is terminated "
1256                                     "abnormally");
1257 #endif /* SWM_DEBUG */
1258                 }
1259                 break;
1260
1261         case SIGHUP:
1262                 restart_wm = 1;
1263                 break;
1264         case SIGINT:
1265         case SIGTERM:
1266         case SIGQUIT:
1267                 running = 0;
1268                 break;
1269         }
1270
1271         errno = saved_errno;
1272 }
1273
1274 struct pid_e *
1275 find_pid(long pid)
1276 {
1277         struct pid_e            *p = NULL;
1278
1279         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1280
1281         if (pid == 0)
1282                 return (NULL);
1283
1284         TAILQ_FOREACH(p, &pidlist, entry) {
1285                 if (p->pid == pid)
1286                         return (p);
1287         }
1288
1289         return (NULL);
1290 }
1291
1292 uint32_t
1293 name_to_color(const char *colorname)
1294 {
1295         uint32_t                        result = 0;
1296         char                            cname[32] = "#";
1297         xcb_screen_t                    *screen;
1298         xcb_colormap_t                  cmap;
1299         xcb_alloc_named_color_cookie_t  c;
1300         xcb_alloc_named_color_reply_t   *r;
1301
1302         /* XXX - does not support rgb:/RR/GG/BB
1303          *       will need to use xcb_alloc_color
1304          */
1305         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1306         cmap = screen->default_colormap;
1307
1308         c = xcb_alloc_named_color(conn, cmap, strlen(colorname), colorname);
1309         r = xcb_alloc_named_color_reply(conn, c, NULL);
1310         if (!r) {
1311                 strlcat(cname, colorname + 2, sizeof cname - 1);
1312                 c = xcb_alloc_named_color(conn, cmap, strlen(cname),
1313                         cname);
1314                 r = xcb_alloc_named_color_reply(conn, c, NULL);
1315         }
1316         if (r) {
1317                 result = r->pixel;
1318                 free(r);
1319         } else
1320                 warnx("color '%s' not found", colorname);
1321
1322         return (result);
1323 }
1324
1325 void
1326 setscreencolor(char *val, int i, int c)
1327 {
1328         int     num_screens;
1329
1330         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1331         if (i > 0 && i <= num_screens) {
1332                 screens[i - 1].c[c].color = name_to_color(val);
1333                 free(screens[i - 1].c[c].name);
1334                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1335                         err(1, "strdup");
1336         } else if (i == -1) {
1337                 for (i = 0; i < num_screens; i++) {
1338                         screens[i].c[c].color = name_to_color(val);
1339                         free(screens[i].c[c].name);
1340                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1341                                 err(1, "strdup");
1342                 }
1343         } else
1344                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1345                     i, num_screens);
1346 }
1347
1348 void
1349 fancy_stacker(struct workspace *ws)
1350 {
1351         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1352         if (ws->cur_layout->l_stack == vertical_stack)
1353                 snprintf(ws->stacker, sizeof ws->stacker,
1354                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1355                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1356         if (ws->cur_layout->l_stack == horizontal_stack)
1357                 snprintf(ws->stacker, sizeof ws->stacker,
1358                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1359                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1360 }
1361
1362 void
1363 plain_stacker(struct workspace *ws)
1364 {
1365         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1366         if (ws->cur_layout->l_stack == vertical_stack)
1367                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1368                     sizeof ws->stacker);
1369         if (ws->cur_layout->l_stack == horizontal_stack)
1370                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1371                     sizeof ws->stacker);
1372 }
1373
1374 void
1375 custom_region(char *val)
1376 {
1377         unsigned int                    sidx, x, y, w, h;
1378         int                             num_screens;
1379
1380         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1381         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1382                 errx(1, "invalid custom region, "
1383                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1384         if (sidx < 1 || sidx > num_screens)
1385                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1386                     sidx, num_screens);
1387         sidx--;
1388
1389         if (w < 1 || h < 1)
1390                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1391
1392         if (x > DisplayWidth(display, sidx) ||
1393             y > DisplayHeight(display, sidx) ||
1394             w + x > DisplayWidth(display, sidx) ||
1395             h + y > DisplayHeight(display, sidx)) {
1396                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1397                     "boundaries (%ux%u)", w, h, x, y,
1398                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1399                 return;
1400         }
1401
1402         new_region(&screens[sidx], x, y, w, h);
1403 }
1404
1405 void
1406 socket_setnonblock(int fd)
1407 {
1408         int                     flags;
1409
1410         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1411                 err(1, "fcntl F_GETFL");
1412         flags |= O_NONBLOCK;
1413         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1414                 err(1, "fcntl F_SETFL");
1415 }
1416
1417 void
1418 bar_print(struct swm_region *r, const char *s)
1419 {
1420         int                     x = 0;
1421         size_t                  len;
1422         XRectangle              ibox, lbox;
1423
1424         len = strlen(s);
1425         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1426
1427         switch (bar_justify) {
1428         case SWM_BAR_JUSTIFY_LEFT:
1429                 x = SWM_BAR_OFFSET;
1430                 break;
1431         case SWM_BAR_JUSTIFY_CENTER:
1432                 x = (WIDTH(r) - lbox.width) / 2;
1433                 break;
1434         case SWM_BAR_JUSTIFY_RIGHT:
1435                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1436                 break;
1437         }
1438
1439         if (x < SWM_BAR_OFFSET)
1440                 x = SWM_BAR_OFFSET;
1441
1442         /* clear back buffer */
1443         XSetForeground(display, r->s->bar_gc, r->s->c[SWM_S_COLOR_BAR].color);
1444         XFillRectangle(display, r->bar->buffer, r->s->bar_gc, 0, 0,
1445             WIDTH(r->bar), HEIGHT(r->bar));
1446
1447         /* draw back buffer */
1448         XSetForeground(display, r->s->bar_gc,
1449             r->s->c[SWM_S_COLOR_BAR_FONT].color);
1450         DRAWSTRING(display, r->bar->buffer, bar_fs, r->s->bar_gc,
1451                 x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1452                 lbox.y, s, len);
1453
1454         /* blt */
1455         XCopyArea(display, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1456             WIDTH(r->bar), HEIGHT(r->bar), 0, 0);
1457 }
1458
1459 void
1460 bar_extra_stop(void)
1461 {
1462         if (bar_pipe[0]) {
1463                 close(bar_pipe[0]);
1464                 bzero(bar_pipe, sizeof bar_pipe);
1465         }
1466         if (bar_pid) {
1467                 kill(bar_pid, SIGTERM);
1468                 bar_pid = 0;
1469         }
1470         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1471         bar_extra = 0;
1472 }
1473
1474 void
1475 bar_class_name(char *s, size_t sz, struct swm_region *r)
1476 {
1477         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1478                 return;
1479         if (r->ws->focus->ch.res_class != NULL)
1480                 strlcat(s, r->ws->focus->ch.res_class, sz);
1481 }
1482
1483 void
1484 bar_title_name(char *s, size_t sz, struct swm_region *r)
1485 {
1486         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1487                 return;
1488         if (r->ws->focus->ch.res_name != NULL)
1489                 strlcat(s, r->ws->focus->ch.res_name, sz);
1490 }
1491
1492 void
1493 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1494 {
1495         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1496                 return;
1497
1498         bar_class_name(s, sz, r);
1499         strlcat(s, ":", sz);
1500         bar_title_name(s, sz, r);
1501 }
1502
1503 void
1504 bar_window_float(char *s, size_t sz, struct swm_region *r)
1505 {
1506         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1507                 return;
1508         if (r->ws->focus->floating)
1509                 strlcat(s, "(f)", sz);
1510 }
1511
1512 void
1513 bar_window_name(char *s, size_t sz, struct swm_region *r)
1514 {
1515         unsigned char           *title;
1516
1517         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1518                 return;
1519         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1520                 return;
1521
1522         strlcat(s, (char *)title, sz);
1523         XFree(title);
1524 }
1525
1526 int             urgent[SWM_WS_MAX];
1527 void
1528 bar_urgent(char *s, size_t sz)
1529 {
1530         struct ws_win           *win;
1531         int                     i, j, num_screens;
1532         char                    b[8];
1533         xcb_get_property_cookie_t       c;
1534         xcb_wm_hints_t          hints;
1535
1536         for (i = 0; i < workspace_limit; i++)
1537                 urgent[i] = 0;
1538
1539         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1540         for (i = 0; i < num_screens; i++)
1541                 for (j = 0; j < workspace_limit; j++)
1542                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1543                                 c = xcb_get_wm_hints(conn, win->id);
1544                                 if (xcb_get_wm_hints_reply(conn, c,
1545                                                 &hints, NULL) == 0)
1546                                         continue;
1547                                 if (hints.flags & XCB_WM_HINT_X_URGENCY)
1548                                         urgent[j] = 1;
1549                         }
1550
1551         for (i = 0; i < workspace_limit; i++) {
1552                 if (urgent[i])
1553                         snprintf(b, sizeof b, "%d ", i + 1);
1554                 else
1555                         snprintf(b, sizeof b, "- ");
1556                 strlcat(s, b, sz);
1557         }
1558 }
1559
1560 void
1561 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1562 {
1563         if (r == NULL || r->ws == NULL)
1564                 return;
1565         if (r->ws->name != NULL)
1566                 strlcat(s, r->ws->name, sz);
1567 }
1568
1569 /* build the default bar format according to the defined enabled options */
1570 void
1571 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1572 {
1573         /* if format provided, just copy the buffers */
1574         if (bar_format != NULL) {
1575                 strlcpy(fmtnew, fmtexp, sz);
1576                 return;
1577         }
1578
1579         /* reset the output buffer */
1580         *fmtnew = '\0';
1581
1582         strlcat(fmtnew, "+N:+I ", sz);
1583         if (stack_enabled)
1584                 strlcat(fmtnew, "+S", sz);
1585         strlcat(fmtnew, " ", sz);
1586
1587         /* only show the workspace name if there's actually one */
1588         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1589                 strlcat(fmtnew, "<+D>", sz);
1590         strlcat(fmtnew, "+3<", sz);
1591
1592         if (clock_enabled) {
1593                 strlcat(fmtnew, fmtexp, sz);
1594                 strlcat(fmtnew, "+4<", sz);
1595         }
1596
1597         /* bar_urgent already adds the space before the last asterisk */
1598         if (urgent_enabled)
1599                 strlcat(fmtnew, "* +U*+4<", sz);
1600
1601         if (title_class_enabled) {
1602                 strlcat(fmtnew, "+C", sz);
1603                 if (title_name_enabled == 0)
1604                         strlcat(fmtnew, "+4<", sz);
1605         }
1606
1607         /* checks needed by the colon and floating strlcat(3) calls below */
1608         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1609                 if (title_name_enabled) {
1610                         if (title_class_enabled)
1611                                 strlcat(fmtnew, ":", sz);
1612                         strlcat(fmtnew, "+T+4<", sz);
1613                 }
1614                 if (window_name_enabled) {
1615                         if (r->ws->focus->floating)
1616                                 strlcat(fmtnew, "+F ", sz);
1617                         strlcat(fmtnew, "+64W ", sz);
1618                 }
1619         }
1620
1621         /* finally add the action script output and the version */
1622         strlcat(fmtnew, "+4<+A+4<+V", sz);
1623 }
1624
1625 void
1626 bar_replace_pad(char *tmp, int *limit, size_t sz)
1627 {
1628         /* special case; no limit given, pad one space, instead */
1629         if (*limit == sz - 1)
1630                 *limit = 1;
1631         snprintf(tmp, sz, "%*s", *limit, " ");
1632 }
1633
1634 /* replaces the bar format character sequences (like in tmux(1)) */
1635 char *
1636 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1637     size_t sz)
1638 {
1639         char                    *ptr;
1640         char                    tmp[SWM_BAR_MAX];
1641         int                     limit, size;
1642         size_t                  len;
1643
1644         /* reset strlcat(3) buffer */
1645         *tmp = '\0';
1646
1647         /* get number, if any */
1648         fmt++;
1649         size = 0;
1650         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1651                 limit = sizeof tmp - 1;
1652         if (limit <= 0 || limit >= sizeof tmp)
1653                 limit = sizeof tmp - 1;
1654
1655         /* there is nothing to replace (ie EOL) */
1656         fmt += size;
1657         if (*fmt == '\0')
1658                 return (fmt);
1659
1660         switch (*fmt) {
1661         case '<':
1662                 bar_replace_pad(tmp, &limit, sizeof tmp);
1663                 break;
1664         case 'A':
1665                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1666                 break;
1667         case 'C':
1668                 bar_class_name(tmp, sizeof tmp, r);
1669                 break;
1670         case 'D':
1671                 bar_workspace_name(tmp, sizeof tmp, r);
1672                 break;
1673         case 'F':
1674                 bar_window_float(tmp, sizeof tmp, r);
1675                 break;
1676         case 'I':
1677                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1678                 break;
1679         case 'N':
1680                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1681                 break;
1682         case 'P':
1683                 bar_class_title_name(tmp, sizeof tmp, r);
1684                 break;
1685         case 'S':
1686                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1687                 break;
1688         case 'T':
1689                 bar_title_name(tmp, sizeof tmp, r);
1690                 break;
1691         case 'U':
1692                 bar_urgent(tmp, sizeof tmp);
1693                 break;
1694         case 'V':
1695                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1696                 break;
1697         case 'W':
1698                 bar_window_name(tmp, sizeof tmp, r);
1699                 break;
1700         default:
1701                 /* unknown character sequence; copy as-is */
1702                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1703                 break;
1704         }
1705
1706         len = strlen(tmp);
1707         ptr = tmp;
1708         if (len < limit)
1709                 limit = len;
1710         while (limit-- > 0) {
1711                 if (*offrep >= sz - 1)
1712                         break;
1713                 fmtrep[(*offrep)++] = *ptr++;
1714         }
1715
1716         fmt++;
1717         return (fmt);
1718 }
1719
1720 void
1721 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1722 {
1723         size_t                  off;
1724
1725         off = 0;
1726         while (*fmt != '\0') {
1727                 if (*fmt != '+') {
1728                         /* skip ordinary characters */
1729                         if (off >= sz - 1)
1730                                 break;
1731                         fmtrep[off++] = *fmt++;
1732                         continue;
1733                 }
1734
1735                 /* character sequence found; replace it */
1736                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1737                 if (off >= sz - 1)
1738                         break;
1739         }
1740
1741         fmtrep[off] = '\0';
1742 }
1743
1744 void
1745 bar_fmt_expand(char *fmtexp, size_t sz)
1746 {
1747         char                    *fmt = NULL;
1748         size_t                  len;
1749         struct tm               tm;
1750         time_t                  tmt;
1751
1752         /* start by grabbing the current time and date */
1753         time(&tmt);
1754         localtime_r(&tmt, &tm);
1755
1756         /* figure out what to expand */
1757         if (bar_format != NULL)
1758                 fmt = bar_format;
1759         else if (bar_format == NULL && clock_enabled)
1760                 fmt = clock_format;
1761         /* if nothing to expand bail out */
1762         if (fmt == NULL) {
1763                 *fmtexp = '\0';
1764                 return;
1765         }
1766
1767         /* copy as-is, just in case the format shouldn't be expanded below */
1768         strlcpy(fmtexp, fmt, sz);
1769         /* finally pass the string through strftime(3) */
1770 #ifndef SWM_DENY_CLOCK_FORMAT
1771         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1772                 warnx("format too long");
1773         fmtexp[len] = '\0';
1774 #endif
1775 }
1776
1777 void
1778 bar_fmt_print(void)
1779 {
1780         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1781         char                    fmtrep[SWM_BAR_MAX];
1782         int                     i, num_screens;
1783         struct swm_region       *r;
1784
1785         /* expand the format by first passing it through strftime(3) */
1786         bar_fmt_expand(fmtexp, sizeof fmtexp);
1787
1788         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1789         for (i = 0; i < num_screens; i++) {
1790                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1791                         if (r->bar == NULL)
1792                                 continue;
1793                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1794                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1795                         bar_print(r, fmtrep);
1796                 }
1797         }
1798 }
1799
1800 void
1801 bar_update(void)
1802 {
1803         size_t                  len;
1804         char                    *b;
1805
1806         if (bar_enabled == 0)
1807                 return;
1808         if (bar_extra && bar_extra_running) {
1809                 /* ignore short reads; it'll correct itself */
1810                 while ((b = fgetln(stdin, &len)) != NULL)
1811                         if (b && b[len - 1] == '\n') {
1812                                 b[len - 1] = '\0';
1813                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1814                         }
1815                 if (b == NULL && errno != EAGAIN) {
1816                         warn("bar_update: bar_extra failed");
1817                         bar_extra_stop();
1818                 }
1819         } else
1820                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1821
1822         bar_fmt_print();
1823         alarm(bar_delay);
1824 }
1825
1826 void
1827 bar_signal(int sig)
1828 {
1829         bar_alarm = 1;
1830 }
1831
1832 void
1833 bar_toggle(struct swm_region *r, union arg *args)
1834 {
1835         struct swm_region       *tmpr;
1836         int                     i, num_screens;
1837
1838         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1839
1840         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1841         if (bar_enabled) {
1842                 for (i = 0; i < num_screens; i++)
1843                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1844                                 if (tmpr->bar)
1845                                         xcb_unmap_window(conn, tmpr->bar->id);
1846         } else {
1847                 for (i = 0; i < num_screens; i++)
1848                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1849                                 if (tmpr->bar)
1850                                         map_window_raised(tmpr->bar->id);
1851         }
1852
1853         bar_enabled = !bar_enabled;
1854
1855         stack();
1856         /* must be after stack */
1857         bar_update();
1858 }
1859
1860 void
1861 bar_refresh(void)
1862 {
1863         struct swm_region       *r;
1864         uint32_t                wa[2];
1865         int                     i, num_screens;
1866
1867         /* do this here because the conf file is in memory */
1868         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1869                 /* launch external status app */
1870                 bar_extra_running = 1;
1871                 if (pipe(bar_pipe) == -1)
1872                         err(1, "pipe error");
1873                 socket_setnonblock(bar_pipe[0]);
1874                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1875                 if (dup2(bar_pipe[0], 0) == -1)
1876                         err(1, "dup2");
1877                 if (dup2(bar_pipe[1], 1) == -1)
1878                         err(1, "dup2");
1879                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1880                         err(1, "could not disable SIGPIPE");
1881                 switch (bar_pid = fork()) {
1882                 case -1:
1883                         err(1, "cannot fork");
1884                         break;
1885                 case 0: /* child */
1886                         close(bar_pipe[0]);
1887                         execvp(bar_argv[0], bar_argv);
1888                         err(1, "%s external app failed", bar_argv[0]);
1889                         break;
1890                 default: /* parent */
1891                         close(bar_pipe[1]);
1892                         break;
1893                 }
1894         }
1895
1896         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1897         for (i = 0; i < num_screens; i++)
1898                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1899                         if (r->bar == NULL)
1900                                 continue;
1901                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1902                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1903                         xcb_change_window_attributes(conn, r->bar->id,
1904                                 XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1905                 }
1906         bar_update();
1907 }
1908
1909 void
1910 bar_setup(struct swm_region *r)
1911 {
1912         char                    *default_string;
1913         char                    **missing_charsets;
1914         int                     num_missing_charsets = 0;
1915         int                     i;
1916
1917         if (bar_fs) {
1918                 XFreeFontSet(display, bar_fs);
1919                 bar_fs = NULL;
1920         }
1921
1922         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1923                 err(1, "bar_setup: calloc: failed to allocate memory.");
1924
1925         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1926
1927         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1928             &num_missing_charsets, &default_string);
1929
1930         if (num_missing_charsets > 0) {
1931                 warnx("Unable to load charset(s):");
1932
1933                 for (i = 0; i < num_missing_charsets; ++i)
1934                         warnx("%s", missing_charsets[i]);
1935
1936                 XFreeStringList(missing_charsets);
1937
1938                 if (strcmp(default_string, ""))
1939                         warnx("Glyphs from those sets will be replaced "
1940                             "by '%s'.", default_string);
1941                 else
1942                         warnx("Glyphs from those sets won't be drawn.");
1943         }
1944
1945         if (bar_fs == NULL)
1946                 errx(1, "Error creating font set structure.");
1947
1948         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1949
1950         bar_height = bar_fs_extents->max_logical_extent.height +
1951             2 * bar_border_width;
1952
1953         if (bar_height < 1)
1954                 bar_height = 1;
1955
1956         X(r->bar) = X(r);
1957         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1958         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1959         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1960
1961         r->bar->id = XCreateSimpleWindow(display,
1962             r->s->root, X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1963             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1964             r->s->c[SWM_S_COLOR_BAR].color);
1965
1966         r->bar->buffer = XCreatePixmap(display, r->bar->id, WIDTH(r->bar),
1967             HEIGHT(r->bar), DefaultDepth(display, r->s->idx));
1968
1969         xcb_randr_select_input(conn, r->bar->id,
1970                 XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1971
1972         if (bar_enabled)
1973                 map_window_raised(r->bar->id);
1974
1975         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%lx, (x,y) w x h: (%d,%d) "
1976             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1977             HEIGHT(r->bar));
1978
1979         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1980                 err(1, "could not install bar_signal");
1981         bar_refresh();
1982 }
1983
1984 void
1985 bar_cleanup(struct swm_region *r)
1986 {
1987         if (r->bar == NULL)
1988                 return;
1989         xcb_destroy_window(conn, r->bar->id);
1990         xcb_free_pixmap(conn, r->bar->buffer);
1991         free(r->bar);
1992         r->bar = NULL;
1993 }
1994
1995 void
1996 drain_enter_notify(void)
1997 {
1998         int                     i = 0;
1999
2000         while (xcb_poll_for_event(conn))
2001                 i++;
2002
2003         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
2004 }
2005
2006 void
2007 set_win_state(struct ws_win *win, uint16_t state)
2008 {
2009         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2010
2011         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
2012
2013         if (win == NULL)
2014                 return;
2015
2016         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, astate,
2017                 astate, 32, 2, data);
2018 }
2019
2020 uint16_t
2021 getstate(xcb_window_t w)
2022 {
2023         uint16_t                        result = 0;
2024         xcb_get_property_cookie_t       c;
2025         xcb_get_property_reply_t        *r;
2026
2027         c = xcb_get_property(conn, False, w, astate, astate, 0L, 2L);
2028         r = xcb_get_property_reply(conn, c, NULL);
2029
2030         if (r) {
2031                 result = *((uint16_t *)xcb_get_property_value(r));
2032                 free(r);
2033         }
2034
2035         return (result);
2036 }
2037
2038 void
2039 version(struct swm_region *r, union arg *args)
2040 {
2041         bar_version = !bar_version;
2042         if (bar_version)
2043                 snprintf(bar_vertext, sizeof bar_vertext,
2044                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2045         else
2046                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2047         bar_update();
2048 }
2049
2050 void
2051 client_msg(struct ws_win *win, xcb_atom_t a)
2052 {
2053         xcb_client_message_event_t      ev;
2054
2055         if (win == NULL)
2056                 return;
2057
2058         bzero(&ev, sizeof ev);
2059         ev.response_type = XCB_CLIENT_MESSAGE;
2060         ev.window = win->id;
2061         ev.type = aprot;
2062         ev.format = 32;
2063         ev.data.data32[0] = a;
2064         ev.data.data32[1] = XCB_CURRENT_TIME;
2065
2066         xcb_send_event(conn, False, win->id,
2067                 XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2068         xcb_flush(conn);
2069 }
2070
2071 /* synthetic response to a ConfigureRequest when not making a change */
2072 void
2073 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
2074 {
2075         xcb_configure_notify_event_t ce;
2076
2077         if (win == NULL)
2078                 return;
2079
2080         /* send notification of unchanged state. */
2081         bzero(&ce, sizeof(ce));
2082         ce.response_type = XCB_CONFIGURE_NOTIFY;
2083         ce.x = X(win);
2084         ce.y = Y(win);
2085         ce.width = WIDTH(win);
2086         ce.height = HEIGHT(win);
2087         ce.override_redirect = False;
2088
2089         if (ev == NULL) {
2090                 /* EWMH */
2091                 ce.event = win->id;
2092                 ce.window = win->id;
2093                 ce.border_width = BORDER(win);
2094                 ce.above_sibling = XCB_WINDOW_NONE;
2095         } else {
2096                 /* normal */
2097                 ce.event = ev->window;
2098                 ce.window = ev->window;
2099
2100                 /* make response appear more WM_SIZE_HINTS-compliant */
2101                 if (win->sh_mask)
2102                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2103                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
2104                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
2105                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2106                             SH_INC_W(win), SH_INC_H(win));
2107
2108                 /* min size */
2109                 if (SH_MIN(win)) {
2110                         /* the hint may be set... to 0! */
2111                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2112                                 ce.width = SH_MIN_W(win);
2113                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2114                                 ce.height = SH_MIN_H(win);
2115                 }
2116
2117                 /* max size */
2118                 if (SH_MAX(win)) {
2119                         /* may also be advertized as 0 */
2120                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2121                                 ce.width = SH_MAX_W(win);
2122                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2123                                 ce.height = SH_MAX_H(win);
2124                 }
2125
2126                 /* resize increment. */
2127                 if (SH_INC(win)) {
2128                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2129                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2130                                     SH_INC_W(win);
2131                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2132                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2133                                     SH_INC_H(win);
2134                 }
2135
2136                 /* adjust x and y for requested border_width. */
2137                 ce.x += BORDER(win) - ev->border_width;
2138                 ce.y += BORDER(win) - ev->border_width;
2139                 ce.border_width = ev->border_width;
2140                 ce.above_sibling = ev->above;
2141         }
2142
2143         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2144             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2145             ce.y, ce.width, ce.height, ce.border_width);
2146
2147         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2148                 (char *)&ce);
2149         xcb_flush(conn);
2150 }
2151
2152 int
2153 count_win(struct workspace *ws, int count_transient)
2154 {
2155         struct ws_win           *win;
2156         int                     count = 0;
2157
2158         TAILQ_FOREACH(win, &ws->winlist, entry) {
2159                 if (count_transient == 0 && win->floating)
2160                         continue;
2161                 if (count_transient == 0 && win->transient)
2162                         continue;
2163                 if (win->iconic)
2164                         continue;
2165                 count++;
2166         }
2167         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2168
2169         return (count);
2170 }
2171
2172 void
2173 quit(struct swm_region *r, union arg *args)
2174 {
2175         DNPRINTF(SWM_D_MISC, "quit\n");
2176         running = 0;
2177 }
2178
2179 void
2180 unmap_window(struct ws_win *win)
2181 {
2182         if (win == NULL)
2183                 return;
2184
2185         /* don't unmap again */
2186         if (getstate(win->id) == XCB_WM_STATE_ICONIC)
2187                 return;
2188
2189         set_win_state(win, XCB_WM_STATE_ICONIC);
2190
2191         xcb_unmap_window(conn, win->id);
2192         xcb_change_window_attributes(conn, win->id,
2193                 XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2194 }
2195
2196 void
2197 unmap_all(void)
2198 {
2199         struct ws_win           *win;
2200         int                     i, j, num_screens;
2201
2202         for (i = 0; i < num_screens; i++)
2203                 for (j = 0; j < workspace_limit; j++)
2204                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2205                                 unmap_window(win);
2206 }
2207
2208 void
2209 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2210 {
2211         xcb_key_press_event_t   event;
2212         xcb_key_symbols_t       *syms;
2213         xcb_keycode_t           *keycode;
2214
2215         if (win == NULL)
2216                 return;
2217
2218         syms = xcb_key_symbols_alloc(conn);
2219         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2220
2221         event.event = win->id;
2222         event.root = win->s->root;
2223         event.child = XCB_WINDOW_NONE;
2224         event.time = XCB_CURRENT_TIME;
2225         event.event_x = X(win);
2226         event.event_y = Y(win);
2227         event.root_x = 1;
2228         event.root_y = 1;
2229         event.same_screen = True;
2230         event.detail = *keycode;
2231         event.state = modifiers;
2232
2233         event.response_type = XCB_KEY_PRESS;
2234         xcb_send_event(conn, win->id, True,
2235                  XCB_EVENT_MASK_KEY_PRESS, (char *)&event);
2236
2237         event.response_type = XCB_KEY_RELEASE;
2238         xcb_send_event(conn, win->id, True,
2239                 XCB_EVENT_MASK_KEY_RELEASE, (char *)&event);
2240         xcb_flush(conn);
2241
2242         xcb_key_symbols_free(syms);
2243 }
2244
2245 void
2246 restart(struct swm_region *r, union arg *args)
2247 {
2248         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2249
2250         /* disable alarm because the following code may not be interrupted */
2251         alarm(0);
2252         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2253                 err(1, "can't disable alarm");
2254
2255         bar_extra_stop();
2256         bar_extra = 1;
2257         unmap_all();
2258         XCloseDisplay(display);
2259         execvp(start_argv[0], start_argv);
2260         warn("execvp failed");
2261         quit(NULL, NULL);
2262 }
2263
2264 struct swm_region *
2265 root_to_region(xcb_window_t root)
2266 {
2267         struct swm_region       *r = NULL;
2268         int                     i, num_screens;
2269         xcb_query_pointer_cookie_t      qpc;
2270         xcb_query_pointer_reply_t       *qpr;
2271
2272         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2273
2274         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2275         for (i = 0; i < num_screens; i++)
2276                 if (screens[i].root == root)
2277                         break;
2278
2279         qpc = xcb_query_pointer(conn, screens[i].root);
2280         qpr = xcb_query_pointer_reply(conn, qpc, NULL);
2281
2282         if (qpr) {
2283                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2284                     qpr->root_x, qpr->root_y);
2285                 /* choose a region based on pointer location */
2286                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2287                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2288                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2289                                 break;
2290                 free(qpr);
2291         }
2292
2293         if (r == NULL)
2294                 r = TAILQ_FIRST(&screens[i].rl);
2295
2296         return (r);
2297 }
2298
2299 struct ws_win *
2300 find_unmanaged_window(xcb_window_t id)
2301 {
2302         struct ws_win           *win;
2303         int                     i, j, num_screens;
2304
2305         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2306         for (i = 0; i < num_screens; i++)
2307                 for (j = 0; j < workspace_limit; j++)
2308                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2309                             entry)
2310                                 if (id == win->id)
2311                                         return (win);
2312         return (NULL);
2313 }
2314
2315 struct ws_win *
2316 find_window(xcb_window_t id)
2317 {
2318         struct ws_win           *win;
2319         int                     i, j, num_screens;
2320         xcb_query_tree_cookie_t c;
2321         xcb_query_tree_reply_t  *r;
2322
2323         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2324         for (i = 0; i < num_screens; i++)
2325                 for (j = 0; j < workspace_limit; j++)
2326                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2327                                 if (id == win->id)
2328                                         return (win);
2329
2330         c = xcb_query_tree(conn, id);
2331         r = xcb_query_tree_reply(conn, c, NULL);
2332         if (!r)
2333                 return (NULL);
2334
2335         /* if we were looking for the parent return that window instead */
2336         if (r->parent == 0 || r->root == r->parent)
2337                 return (NULL);
2338
2339         /* look for parent */
2340         for (i = 0; i < num_screens; i++)
2341                 for (j = 0; j < workspace_limit; j++)
2342                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2343                                 if (r->parent == win->id) {
2344                                         free(r);
2345                                         return (win);
2346                                 }
2347
2348         free(r);
2349         return (NULL);
2350 }
2351
2352 void
2353 spawn(int ws_idx, union arg *args, int close_fd)
2354 {
2355         int                     fd;
2356         char                    *ret = NULL;
2357
2358         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2359
2360         if (display)
2361                 close(xcb_get_file_descriptor(conn));
2362
2363         setenv("LD_PRELOAD", SWM_LIB, 1);
2364
2365         if (asprintf(&ret, "%d", ws_idx) == -1) {
2366                 warn("spawn: asprintf SWM_WS");
2367                 _exit(1);
2368         }
2369         setenv("_SWM_WS", ret, 1);
2370         free(ret);
2371         ret = NULL;
2372
2373         if (asprintf(&ret, "%d", getpid()) == -1) {
2374                 warn("spawn: asprintf _SWM_PID");
2375                 _exit(1);
2376         }
2377         setenv("_SWM_PID", ret, 1);
2378         free(ret);
2379         ret = NULL;
2380
2381         if (setsid() == -1) {
2382                 warn("spawn: setsid");
2383                 _exit(1);
2384         }
2385
2386         if (close_fd) {
2387                 /*
2388                  * close stdin and stdout to prevent interaction between apps
2389                  * and the baraction script
2390                  * leave stderr open to record errors
2391                 */
2392                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2393                         warn("spawn: open");
2394                         _exit(1);
2395                 }
2396                 dup2(fd, STDIN_FILENO);
2397                 dup2(fd, STDOUT_FILENO);
2398                 if (fd > 2)
2399                         close(fd);
2400         }
2401
2402         execvp(args->argv[0], args->argv);
2403
2404         warn("spawn: execvp");
2405         _exit(1);
2406 }
2407
2408 void
2409 kill_refs(struct ws_win *win)
2410 {
2411         int                     i, x, num_screens;
2412         struct swm_region       *r;
2413         struct workspace        *ws;
2414
2415         if (win == NULL)
2416                 return;
2417
2418         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2419         for (i = 0; i < num_screens; i++)
2420                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2421                         for (x = 0; x < workspace_limit; x++) {
2422                                 ws = &r->s->ws[x];
2423                                 if (win == ws->focus)
2424                                         ws->focus = NULL;
2425                                 if (win == ws->focus_prev)
2426                                         ws->focus_prev = NULL;
2427                         }
2428 }
2429
2430 int
2431 validate_win(struct ws_win *testwin)
2432 {
2433         struct ws_win           *win;
2434         struct workspace        *ws;
2435         struct swm_region       *r;
2436         int                     i, x, num_screens;
2437
2438         if (testwin == NULL)
2439                 return (0);
2440
2441         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2442         for (i = 0; i < num_screens; i++)
2443                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2444                         for (x = 0; x < workspace_limit; x++) {
2445                                 ws = &r->s->ws[x];
2446                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2447                                         if (win == testwin)
2448                                                 return (0);
2449                         }
2450         return (1);
2451 }
2452
2453 int
2454 validate_ws(struct workspace *testws)
2455 {
2456         struct swm_region       *r;
2457         struct workspace        *ws;
2458         int                     i, x, num_screens;
2459
2460         /* validate all ws */
2461         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2462         for (i = 0; i < num_screens; i++)
2463                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2464                         for (x = 0; x < workspace_limit; x++) {
2465                                 ws = &r->s->ws[x];
2466                                 if (ws == testws)
2467                                         return (0);
2468                         }
2469         return (1);
2470 }
2471
2472 void
2473 unfocus_win(struct ws_win *win)
2474 {
2475         XEvent                  cne;
2476         xcb_window_t            none = XCB_WINDOW_NONE;
2477
2478         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2479
2480         if (win == NULL)
2481                 return;
2482         if (win->ws == NULL)
2483                 return;
2484
2485         if (validate_ws(win->ws))
2486                 return; /* XXX this gets hit with thunderbird, needs fixing */
2487
2488         if (win->ws->r == NULL)
2489                 return;
2490
2491         if (validate_win(win)) {
2492                 kill_refs(win);
2493                 return;
2494         }
2495
2496         if (win->ws->focus == win) {
2497                 win->ws->focus = NULL;
2498                 win->ws->focus_prev = win;
2499         }
2500
2501         if (validate_win(win->ws->focus)) {
2502                 kill_refs(win->ws->focus);
2503                 win->ws->focus = NULL;
2504         }
2505         if (validate_win(win->ws->focus_prev)) {
2506                 kill_refs(win->ws->focus_prev);
2507                 win->ws->focus_prev = NULL;
2508         }
2509
2510         /* drain all previous unfocus events */
2511         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2512                 ;
2513
2514         grabbuttons(win, 0);
2515         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2516                 &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2517         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2518                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2519                 &none);
2520 }
2521
2522 void
2523 unfocus_all(void)
2524 {
2525         struct ws_win           *win;
2526         int                     i, j, num_screens;
2527
2528         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2529
2530         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2531         for (i = 0; i < num_screens; i++)
2532                 for (j = 0; j < workspace_limit; j++)
2533                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2534                                 unfocus_win(win);
2535 }
2536
2537 void
2538 focus_win(struct ws_win *win)
2539 {
2540         XEvent                  cne;
2541         struct ws_win           *cfw = NULL;
2542         xcb_get_input_focus_cookie_t    c;
2543         xcb_get_input_focus_reply_t     *r;
2544         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2545
2546         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2547
2548         if (win == NULL)
2549                 return;
2550         if (win->ws == NULL)
2551                 return;
2552
2553         if (validate_ws(win->ws))
2554                 return; /* XXX this gets hit with thunderbird, needs fixing */
2555
2556         if (validate_win(win)) {
2557                 kill_refs(win);
2558                 return;
2559         }
2560
2561         if (validate_win(win)) {
2562                 kill_refs(win);
2563                 return;
2564         }
2565
2566         c = xcb_get_input_focus(conn);
2567         r = xcb_get_input_focus_reply(conn, c, NULL);
2568         if (r) {
2569                 cur_focus = r->focus;
2570                 free(r);
2571         }
2572         if ((cfw = find_window(cur_focus)) != NULL)
2573                 unfocus_win(cfw);
2574         else {
2575                 /* use larger hammer since the window was killed somehow */
2576                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2577                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2578                                 xcb_change_window_attributes(conn, cfw->id,
2579                                         XCB_CW_BORDER_PIXEL,
2580                                         &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2581         }
2582
2583         win->ws->focus = win;
2584
2585         if (win->ws->r != NULL) {
2586                 /* drain all previous focus events */
2587                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2588                         ;
2589
2590                 if (win->java == 0)
2591                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2592                                 win->id, XCB_CURRENT_TIME);
2593                 grabbuttons(win, 1);
2594                 xcb_change_window_attributes(conn, win->id,
2595                         XCB_CW_BORDER_PIXEL,
2596                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2597                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2598                     win->ws->always_raise)
2599                         map_window_raised(win->id);
2600
2601                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2602                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2603                         &win->id);
2604         }
2605
2606         bar_update();
2607 }
2608
2609 void
2610 switchws(struct swm_region *r, union arg *args)
2611 {
2612         int                     wsid = args->id, unmap_old = 0;
2613         struct swm_region       *this_r, *other_r;
2614         struct ws_win           *win;
2615         struct workspace        *new_ws, *old_ws;
2616         union arg               a;
2617
2618         if (!(r && r->s))
2619                 return;
2620
2621         if (wsid >= workspace_limit)
2622                 return;
2623
2624         this_r = r;
2625         old_ws = this_r->ws;
2626         new_ws = &this_r->s->ws[wsid];
2627
2628         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2629             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2630
2631         if (new_ws == NULL || old_ws == NULL)
2632                 return;
2633         if (new_ws == old_ws)
2634                 return;
2635
2636         other_r = new_ws->r;
2637         if (other_r == NULL) {
2638                 /* the other workspace is hidden, hide this one */
2639                 old_ws->r = NULL;
2640                 unmap_old = 1;
2641         } else {
2642                 /* the other ws is visible in another region, exchange them */
2643                 other_r->ws_prior = new_ws;
2644                 other_r->ws = old_ws;
2645                 old_ws->r = other_r;
2646         }
2647         this_r->ws_prior = old_ws;
2648         this_r->ws = new_ws;
2649         new_ws->r = this_r;
2650
2651         /* this is needed so that we can click on a window after a restart */
2652         unfocus_all();
2653
2654         stack();
2655         a.id = SWM_ARG_ID_FOCUSCUR;
2656         focus(new_ws->r, &a);
2657
2658         /* unmap old windows */
2659         if (unmap_old)
2660                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2661                         unmap_window(win);
2662
2663         if (focus_mode == SWM_FOCUS_DEFAULT)
2664                 drain_enter_notify();
2665 }
2666
2667 void
2668 cyclews(struct swm_region *r, union arg *args)
2669 {
2670         union                   arg a;
2671         struct swm_screen       *s = r->s;
2672         int                     cycle_all = 0;
2673
2674         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2675             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2676
2677         a.id = r->ws->idx;
2678         do {
2679                 switch (args->id) {
2680                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2681                         cycle_all = 1;
2682                         /* FALLTHROUGH */
2683                 case SWM_ARG_ID_CYCLEWS_UP:
2684                         if (a.id < workspace_limit - 1)
2685                                 a.id++;
2686                         else
2687                                 a.id = 0;
2688                         break;
2689                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2690                         cycle_all = 1;
2691                         /* FALLTHROUGH */
2692                 case SWM_ARG_ID_CYCLEWS_DOWN:
2693                         if (a.id > 0)
2694                                 a.id--;
2695                         else
2696                                 a.id = workspace_limit - 1;
2697                         break;
2698                 default:
2699                         return;
2700                 };
2701
2702                 if (!cycle_all &&
2703                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2704                         continue;
2705                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2706                         continue;
2707
2708                 switchws(r, &a);
2709         } while (a.id != r->ws->idx);
2710 }
2711
2712 void
2713 priorws(struct swm_region *r, union arg *args)
2714 {
2715         union arg               a;
2716
2717         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2718             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2719
2720         if (r->ws_prior == NULL)
2721                 return;
2722
2723         a.id = r->ws_prior->idx;
2724         switchws(r, &a);
2725 }
2726
2727 void
2728 cyclescr(struct swm_region *r, union arg *args)
2729 {
2730         struct swm_region       *rr = NULL;
2731         union arg               a;
2732         int                     i, x, y, num_screens;
2733
2734         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2735         /* do nothing if we don't have more than one screen */
2736         if (!(num_screens > 1 || outputs > 1))
2737                 return;
2738
2739         i = r->s->idx;
2740         switch (args->id) {
2741         case SWM_ARG_ID_CYCLESC_UP:
2742                 rr = TAILQ_NEXT(r, entry);
2743                 if (rr == NULL)
2744                         rr = TAILQ_FIRST(&screens[i].rl);
2745                 break;
2746         case SWM_ARG_ID_CYCLESC_DOWN:
2747                 rr = TAILQ_PREV(r, swm_region_list, entry);
2748                 if (rr == NULL)
2749                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2750                 break;
2751         default:
2752                 return;
2753         };
2754         if (rr == NULL)
2755                 return;
2756
2757         /* move mouse to region */
2758         x = X(rr) + 1;
2759         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2760         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2761                 x, y);
2762
2763         a.id = SWM_ARG_ID_FOCUSCUR;
2764         focus(rr, &a);
2765
2766         if (rr->ws->focus) {
2767                 /* move to focus window */
2768                 x = X(rr->ws->focus) + 1;
2769                 y = Y(rr->ws->focus) + 1;
2770                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2771                         0, x, y);
2772         }
2773 }
2774
2775 void
2776 sort_windows(struct ws_win_list *wl)
2777 {
2778         struct ws_win           *win, *parent, *nxt;
2779
2780         if (wl == NULL)
2781                 return;
2782
2783         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2784                 nxt = TAILQ_NEXT(win, entry);
2785                 if (win->transient) {
2786                         parent = find_window(win->transient);
2787                         if (parent == NULL) {
2788                                 warnx("not possible bug");
2789                                 continue;
2790                         }
2791                         TAILQ_REMOVE(wl, win, entry);
2792                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2793                 }
2794         }
2795
2796 }
2797
2798 void
2799 swapwin(struct swm_region *r, union arg *args)
2800 {
2801         struct ws_win           *target, *source;
2802         struct ws_win           *cur_focus;
2803         struct ws_win_list      *wl;
2804
2805
2806         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2807             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2808
2809         cur_focus = r->ws->focus;
2810         if (cur_focus == NULL)
2811                 return;
2812
2813         source = cur_focus;
2814         wl = &source->ws->winlist;
2815
2816         switch (args->id) {
2817         case SWM_ARG_ID_SWAPPREV:
2818                 if (source->transient)
2819                         source = find_window(source->transient);
2820                 target = TAILQ_PREV(source, ws_win_list, entry);
2821                 if (target && target->transient)
2822                         target = find_window(target->transient);
2823                 TAILQ_REMOVE(wl, source, entry);
2824                 if (target == NULL)
2825                         TAILQ_INSERT_TAIL(wl, source, entry);
2826                 else
2827                         TAILQ_INSERT_BEFORE(target, source, entry);
2828                 break;
2829         case SWM_ARG_ID_SWAPNEXT:
2830                 target = TAILQ_NEXT(source, entry);
2831                 /* move the parent and let the sort handle the move */
2832                 if (source->transient)
2833                         source = find_window(source->transient);
2834                 TAILQ_REMOVE(wl, source, entry);
2835                 if (target == NULL)
2836                         TAILQ_INSERT_HEAD(wl, source, entry);
2837                 else
2838                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2839                 break;
2840         case SWM_ARG_ID_SWAPMAIN:
2841                 target = TAILQ_FIRST(wl);
2842                 if (target == source) {
2843                         if (source->ws->focus_prev != NULL &&
2844                             source->ws->focus_prev != target)
2845                                 source = source->ws->focus_prev;
2846                         else
2847                                 return;
2848                 }
2849                 if (target == NULL || source == NULL)
2850                         return;
2851                 source->ws->focus_prev = target;
2852                 TAILQ_REMOVE(wl, target, entry);
2853                 TAILQ_INSERT_BEFORE(source, target, entry);
2854                 TAILQ_REMOVE(wl, source, entry);
2855                 TAILQ_INSERT_HEAD(wl, source, entry);
2856                 break;
2857         case SWM_ARG_ID_MOVELAST:
2858                 TAILQ_REMOVE(wl, source, entry);
2859                 TAILQ_INSERT_TAIL(wl, source, entry);
2860                 break;
2861         default:
2862                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2863                 return;
2864         }
2865
2866         sort_windows(wl);
2867
2868         stack();
2869 }
2870
2871 void
2872 focus_prev(struct ws_win *win)
2873 {
2874         struct ws_win           *winfocus = NULL;
2875         struct ws_win           *cur_focus = NULL;
2876         struct ws_win_list      *wl = NULL;
2877         struct workspace        *ws = NULL;
2878
2879         if (!(win && win->ws))
2880                 return;
2881
2882         ws = win->ws;
2883         wl = &ws->winlist;
2884         cur_focus = ws->focus;
2885
2886         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx, cur_focus: 0x%lx\n",
2887             WINID(win), WINID(cur_focus));
2888
2889         /* pickle, just focus on whatever */
2890         if (cur_focus == NULL) {
2891                 /* use prev_focus if valid */
2892                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2893                     find_window(WINID(ws->focus_prev)))
2894                         winfocus = ws->focus_prev;
2895                 goto done;
2896         }
2897
2898         /* if transient focus on parent */
2899         if (cur_focus->transient) {
2900                 winfocus = find_window(cur_focus->transient);
2901                 goto done;
2902         }
2903
2904         /* if in max_stack try harder */
2905         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2906             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2907                 if (cur_focus != ws->focus_prev)
2908                         winfocus = ws->focus_prev;
2909                 else
2910                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2911                 if (winfocus)
2912                         goto done;
2913         }
2914
2915         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2916
2917         if (winfocus == NULL || winfocus == win) {
2918                 switch (focus_close) {
2919                 case SWM_STACK_BOTTOM:
2920                         winfocus = TAILQ_FIRST(wl);
2921                         break;
2922                 case SWM_STACK_TOP:
2923                         winfocus = TAILQ_LAST(wl, ws_win_list);
2924                         break;
2925                 case SWM_STACK_ABOVE:
2926                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2927                                 if (focus_close_wrap)
2928                                         winfocus = TAILQ_FIRST(wl);
2929                                 else
2930                                         winfocus = TAILQ_PREV(cur_focus,
2931                                             ws_win_list, entry);
2932                         }
2933                         break;
2934                 case SWM_STACK_BELOW:
2935                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2936                             entry)) == NULL) {
2937                                 if (focus_close_wrap)
2938                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2939                                 else
2940                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2941                         }
2942                         break;
2943                 }
2944         }
2945 done:
2946         if (winfocus == NULL) {
2947                 if (focus_default == SWM_STACK_TOP)
2948                         winfocus = TAILQ_LAST(wl, ws_win_list);
2949                 else
2950                         winfocus = TAILQ_FIRST(wl);
2951         }
2952
2953         kill_refs(win);
2954         focus_magic(winfocus);
2955 }
2956
2957 void
2958 focus(struct swm_region *r, union arg *args)
2959 {
2960         struct ws_win           *winfocus = NULL, *head;
2961         struct ws_win           *cur_focus = NULL;
2962         struct ws_win_list      *wl = NULL;
2963         struct workspace        *ws = NULL;
2964         int                     all_iconics;
2965
2966         if (!(r && r->ws))
2967                 return;
2968
2969         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2970
2971         /* treat FOCUS_CUR special */
2972         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2973                 if (r->ws->focus && r->ws->focus->iconic == 0)
2974                         winfocus = r->ws->focus;
2975                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2976                         winfocus = r->ws->focus_prev;
2977                 else
2978                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2979                                 if (winfocus->iconic == 0)
2980                                         break;
2981
2982                 focus_magic(winfocus);
2983                 return;
2984         }
2985
2986         if ((cur_focus = r->ws->focus) == NULL)
2987                 return;
2988         ws = r->ws;
2989         wl = &ws->winlist;
2990         if (TAILQ_EMPTY(wl))
2991                 return;
2992         /* make sure there is at least one uniconified window */
2993         all_iconics = 1;
2994         TAILQ_FOREACH(winfocus, wl, entry)
2995                 if (winfocus->iconic == 0) {
2996                         all_iconics = 0;
2997                         break;
2998                 }
2999         if (all_iconics)
3000                 return;
3001
3002         switch (args->id) {
3003         case SWM_ARG_ID_FOCUSPREV:
3004                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3005                 if (head == NULL)
3006                         head = TAILQ_LAST(wl, ws_win_list);
3007                 winfocus = head;
3008                 if (WINID(winfocus) == cur_focus->transient) {
3009                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3010                         if (head == NULL)
3011                                 head = TAILQ_LAST(wl, ws_win_list);
3012                         winfocus = head;
3013                 }
3014
3015                 /* skip iconics */
3016                 if (winfocus && winfocus->iconic) {
3017                         while (winfocus != cur_focus) {
3018                                 if (winfocus == NULL)
3019                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3020                                 if (winfocus->iconic == 0)
3021                                         break;
3022                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3023                                     entry);
3024                         }
3025                 }
3026                 break;
3027
3028         case SWM_ARG_ID_FOCUSNEXT:
3029                 head = TAILQ_NEXT(cur_focus, entry);
3030                 if (head == NULL)
3031                         head = TAILQ_FIRST(wl);
3032                 winfocus = head;
3033
3034                 /* skip iconics */
3035                 if (winfocus && winfocus->iconic) {
3036                         while (winfocus != cur_focus) {
3037                                 if (winfocus == NULL)
3038                                         winfocus = TAILQ_FIRST(wl);
3039                                 if (winfocus->iconic == 0)
3040                                         break;
3041                                 winfocus = TAILQ_NEXT(winfocus, entry);
3042                         }
3043                 }
3044                 break;
3045
3046         case SWM_ARG_ID_FOCUSMAIN:
3047                 winfocus = TAILQ_FIRST(wl);
3048                 if (winfocus == cur_focus)
3049                         winfocus = cur_focus->ws->focus_prev;
3050                 break;
3051
3052         default:
3053                 return;
3054         }
3055
3056         focus_magic(winfocus);
3057 }
3058
3059 void
3060 cycle_layout(struct swm_region *r, union arg *args)
3061 {
3062         struct workspace        *ws = r->ws;
3063         union arg               a;
3064
3065         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3066
3067         ws->cur_layout++;
3068         if (ws->cur_layout->l_stack == NULL)
3069                 ws->cur_layout = &layouts[0];
3070
3071         stack();
3072         if (focus_mode == SWM_FOCUS_DEFAULT)
3073                 drain_enter_notify();
3074         a.id = SWM_ARG_ID_FOCUSCUR;
3075         focus(r, &a);
3076 }
3077
3078 void
3079 stack_config(struct swm_region *r, union arg *args)
3080 {
3081         struct workspace        *ws = r->ws;
3082
3083         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3084             args->id, ws->idx);
3085
3086         if (ws->cur_layout->l_config != NULL)
3087                 ws->cur_layout->l_config(ws, args->id);
3088
3089         if (args->id != SWM_ARG_ID_STACKINIT)
3090                 stack();
3091         bar_update();
3092 }
3093
3094 void
3095 stack(void) {
3096         struct swm_geometry     g;
3097         struct swm_region       *r;
3098         int                     i, num_screens;
3099 #ifdef SWM_DEBUG
3100         int j;
3101 #endif
3102
3103         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3104
3105         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3106         for (i = 0; i < num_screens; i++) {
3107 #ifdef SWM_DEBUG
3108                 j = 0;
3109 #endif
3110                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3111                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3112                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3113
3114                         /* start with screen geometry, adjust for bar */
3115                         g = r->g;
3116                         g.w -= 2 * border_width;
3117                         g.h -= 2 * border_width;
3118                         if (bar_enabled) {
3119                                 if (!bar_at_bottom)
3120                                         g.y += bar_height;
3121                                 g.h -= bar_height;
3122                         }
3123                         r->ws->cur_layout->l_stack(r->ws, &g);
3124                         r->ws->cur_layout->l_string(r->ws);
3125                         /* save r so we can track region changes */
3126                         r->ws->old_r = r;
3127                 }
3128         }
3129         if (font_adjusted)
3130                 font_adjusted--;
3131
3132         if (focus_mode == SWM_FOCUS_DEFAULT)
3133                 drain_enter_notify();
3134
3135         DNPRINTF(SWM_D_STACK, "stack: end\n");
3136 }
3137
3138 void
3139 store_float_geom(struct ws_win *win, struct swm_region *r)
3140 {
3141         /* retain window geom and region geom */
3142         win->g_float = win->g;
3143         win->g_float.x -= X(r);
3144         win->g_float.y -= Y(r);
3145         win->g_floatvalid = 1;
3146         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%lx, g: (%d,%d)"
3147             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3148             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3149             win->g_float.w, win->g_float.h);
3150 }
3151
3152 void
3153 stack_floater(struct ws_win *win, struct swm_region *r)
3154 {
3155         if (win == NULL)
3156                 return;
3157
3158         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%lx\n", win->id);
3159
3160         /*
3161          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3162          * geom on ws switches or return from max mode
3163          */
3164         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3165             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3166                 /* refloat at last floating relative position */
3167                 win->g = win->g_float;
3168                 X(win) += X(r);
3169                 Y(win) += Y(r);
3170         }
3171
3172         win->floatmaxed = 0;
3173
3174         /*
3175          * if set to fullscreen mode, configure window to maximum size.
3176          */
3177         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3178                 if (!win->g_floatvalid)
3179                         store_float_geom(win, win->ws->r);
3180
3181                 win->g = win->ws->r->g;
3182         }
3183
3184         /*
3185          * remove border on fullscreen floater when in fullscreen mode or when
3186          * the quirk is present.
3187          */
3188         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3189             ((win->quirks & SWM_Q_FULLSCREEN) &&
3190              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3191                 if (win->bordered) {
3192                         win->bordered = 0;
3193                         X(win) += border_width;
3194                         Y(win) += border_width;
3195                 }
3196         } else if (!win->bordered) {
3197                 win->bordered = 1;
3198                 X(win) -= border_width;
3199                 Y(win) -= border_width;
3200         }
3201
3202         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3203                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3204                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3205         }
3206
3207         if (!win->manual) {
3208                 /*
3209                  * floaters and transients are auto-centred unless moved
3210                  * or resized
3211                  */
3212                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3213                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3214         }
3215
3216         /* keep window within region bounds */
3217         constrain_window(win, r, 0);
3218
3219         update_window(win);
3220 }
3221
3222 /*
3223  * Send keystrokes to terminal to decrease/increase the font size as the
3224  * window size changes.
3225  */
3226 void
3227 adjust_font(struct ws_win *win)
3228 {
3229         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3230             win->floating || win->transient)
3231                 return;
3232
3233         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3234             WIDTH(win) / win->sh.width_inc < term_width &&
3235             win->font_steps < SWM_MAX_FONT_STEPS) {
3236                 win->font_size_boundary[win->font_steps] =
3237                     (win->sh.width_inc * term_width) + win->sh.base_width;
3238                 win->font_steps++;
3239                 font_adjusted++;
3240                 win->last_inc = win->sh.width_inc;
3241                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3242         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3243             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3244                 win->font_steps--;
3245                 font_adjusted++;
3246                 win->last_inc = win->sh.width_inc;
3247                 fake_keypress(win, XK_KP_Add, ShiftMask);
3248         }
3249 }
3250
3251 #define SWAPXY(g)       do {                            \
3252         int tmp;                                        \
3253         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3254         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3255 } while (0)
3256 void
3257 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3258 {
3259         XWindowAttributes       wa;
3260         struct swm_geometry     win_g, r_g = *g;
3261         struct ws_win           *win, *fs_win = NULL;
3262         int                     i, j, s, stacks;
3263         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3264         int                     hrh, extra = 0, h_slice, last_h = 0;
3265         int                     split, colno, winno, mwin, msize, mscale;
3266         int                     remain, missing, v_slice, reconfigure;
3267         int                     bordered = 1;
3268
3269         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3270             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3271
3272         winno = count_win(ws, 0);
3273         if (winno == 0 && count_win(ws, 1) == 0)
3274                 return;
3275
3276         TAILQ_FOREACH(win, &ws->winlist, entry)
3277                 if (win->transient == 0 && win->floating == 0
3278                     && win->iconic == 0)
3279                         break;
3280
3281         if (win == NULL)
3282                 goto notiles;
3283
3284         if (rot) {
3285                 w_inc = win->sh.width_inc;
3286                 w_base = win->sh.base_width;
3287                 mwin = ws->l_state.horizontal_mwin;
3288                 mscale = ws->l_state.horizontal_msize;
3289                 stacks = ws->l_state.horizontal_stacks;
3290                 SWAPXY(&r_g);
3291         } else {
3292                 w_inc = win->sh.height_inc;
3293                 w_base = win->sh.base_height;
3294                 mwin = ws->l_state.vertical_mwin;
3295                 mscale = ws->l_state.vertical_msize;
3296                 stacks = ws->l_state.vertical_stacks;
3297         }
3298         win_g = r_g;
3299
3300         if (stacks > winno - mwin)
3301                 stacks = winno - mwin;
3302         if (stacks < 1)
3303                 stacks = 1;
3304
3305         h_slice = r_g.h / SWM_H_SLICE;
3306         if (mwin && winno > mwin) {
3307                 v_slice = r_g.w / SWM_V_SLICE;
3308
3309                 split = mwin;
3310                 colno = split;
3311                 win_g.w = v_slice * mscale;
3312
3313                 if (w_inc > 1 && w_inc < v_slice) {
3314                         /* adjust for window's requested size increment */
3315                         remain = (win_g.w - w_base) % w_inc;
3316                         win_g.w -= remain;
3317                 }
3318
3319                 msize = win_g.w;
3320                 if (flip)
3321                         win_g.x += r_g.w - msize;
3322         } else {
3323                 msize = -2;
3324                 colno = split = winno / stacks;
3325                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3326                     2 * border_width) / stacks);
3327         }
3328         hrh = r_g.h / colno;
3329         extra = r_g.h - (colno * hrh);
3330         win_g.h = hrh - 2 * border_width;
3331
3332         /*  stack all the tiled windows */
3333         i = j = 0, s = stacks;
3334         TAILQ_FOREACH(win, &ws->winlist, entry) {
3335                 if (win->transient != 0 || win->floating != 0)
3336                         continue;
3337                 if (win->iconic != 0)
3338                         continue;
3339
3340                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3341                         fs_win = win;
3342                         continue;
3343                 }
3344
3345                 if (split && i == split) {
3346                         colno = (winno - mwin) / stacks;
3347                         if (s <= (winno - mwin) % stacks)
3348                                 colno++;
3349                         split = split + colno;
3350                         hrh = (r_g.h / colno);
3351                         extra = r_g.h - (colno * hrh);
3352                         if (flip)
3353                                 win_g.x = r_g.x;
3354                         else
3355                                 win_g.x += win_g.w + 2 * border_width;
3356                         win_g.w = (r_g.w - msize -
3357                             (stacks * 2 * border_width)) / stacks;
3358                         if (s == 1)
3359                                 win_g.w += (r_g.w - msize -
3360                                     (stacks * 2 * border_width)) % stacks;
3361                         s--;
3362                         j = 0;
3363                 }
3364                 win_g.h = hrh - 2 * border_width;
3365                 if (rot) {
3366                         h_inc = win->sh.width_inc;
3367                         h_base = win->sh.base_width;
3368                 } else {
3369                         h_inc = win->sh.height_inc;
3370                         h_base = win->sh.base_height;
3371                 }
3372                 if (j == colno - 1) {
3373                         win_g.h = hrh + extra;
3374                 } else if (h_inc > 1 && h_inc < h_slice) {
3375                         /* adjust for window's requested size increment */
3376                         remain = (win_g.h - h_base) % h_inc;
3377                         missing = h_inc - remain;
3378
3379                         if (missing <= extra || j == 0) {
3380                                 extra -= missing;
3381                                 win_g.h += missing;
3382                         } else {
3383                                 win_g.h -= remain;
3384                                 extra += remain;
3385                         }
3386                 }
3387
3388                 if (j == 0)
3389                         win_g.y = r_g.y;
3390                 else
3391                         win_g.y += last_h + 2 * border_width;
3392
3393                 if (disable_border && bar_enabled == 0 && winno == 1){
3394                         bordered = 0;
3395                         win_g.w += 2 * border_width;
3396                         win_g.h += 2 * border_width;
3397                 } else {
3398                         bordered = 1;
3399                 }
3400                 if (rot) {
3401                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3402                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3403                                 reconfigure = 1;
3404                                 X(win) = win_g.y;
3405                                 Y(win) = win_g.x;
3406                                 WIDTH(win) = win_g.h;
3407                                 HEIGHT(win) = win_g.w;
3408                         }
3409                 } else {
3410                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3411                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3412                                 reconfigure = 1;
3413                                 X(win) = win_g.x;
3414                                 Y(win) = win_g.y;
3415                                 WIDTH(win) = win_g.w;
3416                                 HEIGHT(win) = win_g.h;
3417                         }
3418                 }
3419
3420                 if (bordered != win->bordered) {
3421                         reconfigure = 1;
3422                         win->bordered = bordered;
3423                 }
3424
3425                 if (reconfigure) {
3426                         adjust_font(win);
3427                         update_window(win);
3428                 }
3429
3430                 if (XGetWindowAttributes(display, win->id, &wa))
3431                         if (wa.map_state == IsUnmapped)
3432                                 map_window_raised(win->id);
3433
3434                 last_h = win_g.h;
3435                 i++;
3436                 j++;
3437         }
3438
3439 notiles:
3440         /* now, stack all the floaters and transients */
3441         TAILQ_FOREACH(win, &ws->winlist, entry) {
3442                 if (win->transient == 0 && win->floating == 0)
3443                         continue;
3444                 if (win->iconic == 1)
3445                         continue;
3446                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3447                         fs_win = win;
3448                         continue;
3449                 }
3450
3451                 stack_floater(win, ws->r);
3452                 map_window_raised(win->id);
3453         }
3454
3455         if (fs_win) {
3456                 stack_floater(fs_win, ws->r);
3457                 map_window_raised(fs_win->id);
3458         }
3459 }
3460
3461 void
3462 vertical_config(struct workspace *ws, int id)
3463 {
3464         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3465             id, ws->idx);
3466
3467         switch (id) {
3468         case SWM_ARG_ID_STACKRESET:
3469         case SWM_ARG_ID_STACKINIT:
3470                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3471                 ws->l_state.vertical_mwin = 1;
3472                 ws->l_state.vertical_stacks = 1;
3473                 break;
3474         case SWM_ARG_ID_MASTERSHRINK:
3475                 if (ws->l_state.vertical_msize > 1)
3476                         ws->l_state.vertical_msize--;
3477                 break;
3478         case SWM_ARG_ID_MASTERGROW:
3479                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3480                         ws->l_state.vertical_msize++;
3481                 break;
3482         case SWM_ARG_ID_MASTERADD:
3483                 ws->l_state.vertical_mwin++;
3484                 break;
3485         case SWM_ARG_ID_MASTERDEL:
3486                 if (ws->l_state.vertical_mwin > 0)
3487                         ws->l_state.vertical_mwin--;
3488                 break;
3489         case SWM_ARG_ID_STACKINC:
3490                 ws->l_state.vertical_stacks++;
3491                 break;
3492         case SWM_ARG_ID_STACKDEC:
3493                 if (ws->l_state.vertical_stacks > 1)
3494                         ws->l_state.vertical_stacks--;
3495                 break;
3496         case SWM_ARG_ID_FLIPLAYOUT:
3497                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3498                 break;
3499         default:
3500                 return;
3501         }
3502 }
3503
3504 void
3505 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3506 {
3507         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3508
3509         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3510 }
3511
3512 void
3513 horizontal_config(struct workspace *ws, int id)
3514 {
3515         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3516
3517         switch (id) {
3518         case SWM_ARG_ID_STACKRESET:
3519         case SWM_ARG_ID_STACKINIT:
3520                 ws->l_state.horizontal_mwin = 1;
3521                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3522                 ws->l_state.horizontal_stacks = 1;
3523                 break;
3524         case SWM_ARG_ID_MASTERSHRINK:
3525                 if (ws->l_state.horizontal_msize > 1)
3526                         ws->l_state.horizontal_msize--;
3527                 break;
3528         case SWM_ARG_ID_MASTERGROW:
3529                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3530                         ws->l_state.horizontal_msize++;
3531                 break;
3532         case SWM_ARG_ID_MASTERADD:
3533                 ws->l_state.horizontal_mwin++;
3534                 break;
3535         case SWM_ARG_ID_MASTERDEL:
3536                 if (ws->l_state.horizontal_mwin > 0)
3537                         ws->l_state.horizontal_mwin--;
3538                 break;
3539         case SWM_ARG_ID_STACKINC:
3540                 ws->l_state.horizontal_stacks++;
3541                 break;
3542         case SWM_ARG_ID_STACKDEC:
3543                 if (ws->l_state.horizontal_stacks > 1)
3544                         ws->l_state.horizontal_stacks--;
3545                 break;
3546         case SWM_ARG_ID_FLIPLAYOUT:
3547                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3548                 break;
3549         default:
3550                 return;
3551         }
3552 }
3553
3554 void
3555 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3556 {
3557         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3558
3559         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3560 }
3561
3562 /* fullscreen view */
3563 void
3564 max_stack(struct workspace *ws, struct swm_geometry *g)
3565 {
3566         struct swm_geometry     gg = *g;
3567         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3568         int                     winno, num_screens;
3569
3570         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3571
3572         if (ws == NULL)
3573                 return;
3574
3575         winno = count_win(ws, 0);
3576         if (winno == 0 && count_win(ws, 1) == 0)
3577                 return;
3578
3579         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3580         TAILQ_FOREACH(win, &ws->winlist, entry) {
3581                 if (win->transient) {
3582                         wintrans = win;
3583                         parent = find_window(win->transient);
3584                         continue;
3585                 }
3586
3587                 if (win->floating && win->floatmaxed == 0 ) {
3588                         /*
3589                          * retain geometry for retrieval on exit from
3590                          * max_stack mode
3591                          */
3592                         store_float_geom(win, ws->r);
3593                         win->floatmaxed = 1;
3594                 }
3595
3596                 /* only reconfigure if necessary */
3597                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3598                     HEIGHT(win) != gg.h) {
3599                         win->g = gg;
3600                         if (bar_enabled){
3601                                 win->bordered = 1;
3602                         } else {
3603                                 win->bordered = 0;
3604                                 WIDTH(win) += 2 * border_width;
3605                                 HEIGHT(win) += 2 * border_width;
3606                         }
3607
3608                         update_window(win);
3609                 }
3610                 /* unmap only if we don't have multi screen */
3611                 if (win != ws->focus)
3612                         if (!(num_screens > 1 || outputs > 1))
3613                                 unmap_window(win);
3614         }
3615
3616         /* put the last transient on top */
3617         if (wintrans) {
3618                 if (parent)
3619                         map_window_raised(parent->id);
3620                 stack_floater(wintrans, ws->r);
3621                 focus_magic(wintrans);
3622         }
3623 }
3624
3625 void
3626 send_to_ws(struct swm_region *r, union arg *args)
3627 {
3628         int                     wsid = args->id;
3629         struct ws_win           *win = NULL, *parent;
3630         struct workspace        *ws, *nws;
3631         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3632         char                    ws_idx_str[SWM_PROPLEN];
3633         union arg               a;
3634
3635         if (wsid >= workspace_limit)
3636                 return;
3637
3638         if (r && r->ws && r->ws->focus)
3639                 win = r->ws->focus;
3640         else
3641                 return;
3642         if (win == NULL)
3643                 return;
3644         if (win->ws->idx == wsid)
3645                 return;
3646
3647         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3648
3649         ws = win->ws;
3650         nws = &win->s->ws[wsid];
3651
3652         a.id = SWM_ARG_ID_FOCUSPREV;
3653         focus(r, &a);
3654         if (win->transient) {
3655                 parent = find_window(win->transient);
3656                 if (parent) {
3657                         unmap_window(parent);
3658                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3659                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3660                         parent->ws = nws;
3661                 }
3662         }
3663         unmap_window(win);
3664         TAILQ_REMOVE(&ws->winlist, win, entry);
3665         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3666         if (TAILQ_EMPTY(&ws->winlist))
3667                 r->ws->focus = NULL;
3668         win->ws = nws;
3669
3670         /* Try to update the window's workspace property */
3671         ws_idx_atom = get_atom_from_string("_SWM_WS");
3672         if (ws_idx_atom &&
3673             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3674                 SWM_PROPLEN) {
3675                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3676                     ws_idx_str);
3677                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3678                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3679                         ws_idx_str);
3680         }
3681
3682         stack();
3683         bar_update();
3684 }
3685
3686 void
3687 pressbutton(struct swm_region *r, union arg *args)
3688 {
3689         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3690         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3691 }
3692
3693 void
3694 raise_toggle(struct swm_region *r, union arg *args)
3695 {
3696         if (r == NULL || r->ws == NULL)
3697                 return;
3698
3699         r->ws->always_raise = !r->ws->always_raise;
3700
3701         /* bring floaters back to top */
3702         if (r->ws->always_raise == 0)
3703                 stack();
3704 }
3705
3706 void
3707 iconify(struct swm_region *r, union arg *args)
3708 {
3709         union arg a;
3710
3711         if (r->ws->focus == NULL)
3712                 return;
3713         unmap_window(r->ws->focus);
3714         update_iconic(r->ws->focus, 1);
3715         stack();
3716         if (focus_mode == SWM_FOCUS_DEFAULT)
3717                 drain_enter_notify();
3718         r->ws->focus = NULL;
3719         a.id = SWM_ARG_ID_FOCUSCUR;
3720         focus(r, &a);
3721 }
3722
3723 unsigned char *
3724 get_win_name(xcb_window_t win)
3725 {
3726         unsigned char           *prop = NULL;
3727         unsigned long           nbytes, nitems;
3728
3729         /* try _NET_WM_NAME first */
3730         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3731             &prop)) {
3732                 XFree(prop);
3733                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3734                     &nitems, NULL, &prop))
3735                         return (prop);
3736         }
3737
3738         /* fallback to WM_NAME */
3739         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3740                 return (NULL);
3741         XFree(prop);
3742         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3743                 return (prop);
3744
3745         return (NULL);
3746 }
3747
3748 void
3749 uniconify(struct swm_region *r, union arg *args)
3750 {
3751         struct ws_win           *win;
3752         FILE                    *lfile;
3753         unsigned char           *name;
3754         int                     count = 0;
3755
3756         DNPRINTF(SWM_D_MISC, "uniconify\n");
3757
3758         if (r == NULL || r->ws == NULL)
3759                 return;
3760
3761         /* make sure we have anything to uniconify */
3762         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3763                 if (win->ws == NULL)
3764                         continue; /* should never happen */
3765                 if (win->iconic == 0)
3766                         continue;
3767                 count++;
3768         }
3769         if (count == 0)
3770                 return;
3771
3772         search_r = r;
3773         search_resp_action = SWM_SEARCH_UNICONIFY;
3774
3775         spawn_select(r, args, "search", &searchpid);
3776
3777         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3778                 return;
3779
3780         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3781                 if (win->ws == NULL)
3782                         continue; /* should never happen */
3783                 if (win->iconic == 0)
3784                         continue;
3785
3786                 name = get_win_name(win->id);
3787                 if (name == NULL)
3788                         continue;
3789                 fprintf(lfile, "%s.%u\n", name, win->id);
3790                 XFree(name);
3791         }
3792
3793         fclose(lfile);
3794 }
3795
3796 void
3797 name_workspace(struct swm_region *r, union arg *args)
3798 {
3799         FILE                    *lfile;
3800
3801         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3802
3803         if (r == NULL)
3804                 return;
3805
3806         search_r = r;
3807         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3808
3809         spawn_select(r, args, "name_workspace", &searchpid);
3810
3811         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3812                 return;
3813
3814         fprintf(lfile, "%s", "");
3815         fclose(lfile);
3816 }
3817
3818 void
3819 search_workspace(struct swm_region *r, union arg *args)
3820 {
3821         int                     i;
3822         struct workspace        *ws;
3823         FILE                    *lfile;
3824
3825         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3826
3827         if (r == NULL)
3828                 return;
3829
3830         search_r = r;
3831         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3832
3833         spawn_select(r, args, "search", &searchpid);
3834
3835         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3836                 return;
3837
3838         for (i = 0; i < workspace_limit; i++) {
3839                 ws = &r->s->ws[i];
3840                 if (ws == NULL)
3841                         continue;
3842                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3843                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3844         }
3845
3846         fclose(lfile);
3847 }
3848
3849 void
3850 search_win_cleanup(void)
3851 {
3852         struct search_window    *sw = NULL;
3853
3854         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3855                 xcb_destroy_window(conn, sw->indicator);
3856                 XFreeGC(display, sw->gc);
3857                 TAILQ_REMOVE(&search_wl, sw, entry);
3858                 free(sw);
3859         }
3860 }
3861
3862 void
3863 search_win(struct swm_region *r, union arg *args)
3864 {
3865         struct ws_win           *win = NULL;
3866         struct search_window    *sw = NULL;
3867         xcb_window_t            w;
3868         XGCValues               gcv;
3869         int                     i;
3870         char                    s[8];
3871         FILE                    *lfile;
3872         size_t                  len;
3873         XRectangle              ibox, lbox;
3874
3875         DNPRINTF(SWM_D_MISC, "search_win\n");
3876
3877         search_r = r;
3878         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3879
3880         spawn_select(r, args, "search", &searchpid);
3881
3882         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3883                 return;
3884
3885         TAILQ_INIT(&search_wl);
3886
3887         i = 1;
3888         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3889                 if (win->iconic == 1)
3890                         continue;
3891
3892                 sw = calloc(1, sizeof(struct search_window));
3893                 if (sw == NULL) {
3894                         warn("search_win: calloc");
3895                         fclose(lfile);
3896                         search_win_cleanup();
3897                         return;
3898                 }
3899                 sw->idx = i;
3900                 sw->win = win;
3901
3902                 snprintf(s, sizeof s, "%d", i);
3903                 len = strlen(s);
3904
3905                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3906
3907                 w = XCreateSimpleWindow(display,
3908                     win->id, 0, 0,lbox.width + 4,
3909                     bar_fs_extents->max_logical_extent.height, 1,
3910                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3911                     r->s->c[SWM_S_COLOR_FOCUS].color);
3912
3913                 sw->indicator = w;
3914                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3915
3916                 sw->gc = XCreateGC(display, w, 0, &gcv);
3917                 map_window_raised(w);
3918                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3919
3920                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3921                     (bar_fs_extents->max_logical_extent.height -
3922                     lbox.height) / 2 - lbox.y, s, len);
3923
3924                 fprintf(lfile, "%d\n", i);
3925                 i++;
3926         }
3927
3928         fclose(lfile);
3929 }
3930
3931 void
3932 search_resp_uniconify(char *resp, unsigned long len)
3933 {
3934         unsigned char           *name;
3935         struct ws_win           *win;
3936         char                    *s;
3937
3938         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3939
3940         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3941                 if (win->iconic == 0)
3942                         continue;
3943                 name = get_win_name(win->id);
3944                 if (name == NULL)
3945                         continue;
3946                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3947                         XFree(name);
3948                         continue;
3949                 }
3950                 XFree(name);
3951                 if (strncmp(s, resp, len) == 0) {
3952                         /* XXX this should be a callback to generalize */
3953                         update_iconic(win, 0);
3954                         free(s);
3955                         break;
3956                 }
3957                 free(s);
3958         }
3959 }
3960
3961 void
3962 search_resp_name_workspace(char *resp, unsigned long len)
3963 {
3964         struct workspace        *ws;
3965
3966         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3967
3968         if (search_r->ws == NULL)
3969                 return;
3970         ws = search_r->ws;
3971
3972         if (ws->name) {
3973                 free(search_r->ws->name);
3974                 search_r->ws->name = NULL;
3975         }
3976
3977         if (len > 1) {
3978                 ws->name = strdup(resp);
3979                 if (ws->name == NULL) {
3980                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3981                             "strdup: %s", strerror(errno));
3982                         return;
3983                 }
3984         }
3985 }
3986
3987 void
3988 search_resp_search_workspace(char *resp, unsigned long len)
3989 {
3990         char                    *p, *q;
3991         int                     ws_idx;
3992         const char              *errstr;
3993         union arg               a;
3994
3995         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3996
3997         q = strdup(resp);
3998         if (!q) {
3999                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4000                     strerror(errno));
4001                 return;
4002         }
4003         p = strchr(q, ':');
4004         if (p != NULL)
4005                 *p = '\0';
4006         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
4007         if (errstr) {
4008                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4009                     errstr, q);
4010                 free(q);
4011                 return;
4012         }
4013         free(q);
4014         a.id = ws_idx - 1;
4015         switchws(search_r, &a);
4016 }
4017
4018 void
4019 search_resp_search_window(char *resp, unsigned long len)
4020 {
4021         char                    *s;
4022         int                     idx;
4023         const char              *errstr;
4024         struct search_window    *sw;
4025
4026         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4027
4028         s = strdup(resp);
4029         if (!s) {
4030                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4031                     strerror(errno));
4032                 return;
4033         }
4034
4035         idx = strtonum(s, 1, INT_MAX, &errstr);
4036         if (errstr) {
4037                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4038                     errstr, s);
4039                 free(s);
4040                 return;
4041         }
4042         free(s);
4043
4044         TAILQ_FOREACH(sw, &search_wl, entry)
4045                 if (idx == sw->idx) {
4046                         focus_win(sw->win);
4047                         break;
4048                 }
4049 }
4050
4051 #define MAX_RESP_LEN    1024
4052
4053 void
4054 search_do_resp(void)
4055 {
4056         ssize_t                 rbytes;
4057         char                    *resp;
4058         unsigned long           len;
4059
4060         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4061
4062         search_resp = 0;
4063         searchpid = 0;
4064
4065         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4066                 warn("search: calloc");
4067                 goto done;
4068         }
4069
4070         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4071         if (rbytes <= 0) {
4072                 warn("search: read error");
4073                 goto done;
4074         }
4075         resp[rbytes] = '\0';
4076
4077         /* XXX:
4078          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4079          * newline, so work around that by sanitizing the resp now.
4080          */
4081         resp[strcspn(resp, "\n")] = '\0';
4082         len = strlen(resp);
4083
4084         switch (search_resp_action) {
4085         case SWM_SEARCH_UNICONIFY:
4086                 search_resp_uniconify(resp, len);
4087                 break;
4088         case SWM_SEARCH_NAME_WORKSPACE:
4089                 search_resp_name_workspace(resp, len);
4090                 break;
4091         case SWM_SEARCH_SEARCH_WORKSPACE:
4092                 search_resp_search_workspace(resp, len);
4093                 break;
4094         case SWM_SEARCH_SEARCH_WINDOW:
4095                 search_resp_search_window(resp, len);
4096                 break;
4097         }
4098
4099 done:
4100         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4101                 search_win_cleanup();
4102
4103         search_resp_action = SWM_SEARCH_NONE;
4104         close(select_resp_pipe[0]);
4105         free(resp);
4106 }
4107
4108 void
4109 wkill(struct swm_region *r, union arg *args)
4110 {
4111         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4112
4113         if (r->ws->focus == NULL)
4114                 return;
4115
4116         if (args->id == SWM_ARG_ID_KILLWINDOW)
4117                 xcb_kill_client(conn, r->ws->focus->id);
4118         else
4119                 if (r->ws->focus->can_delete)
4120                         client_msg(r->ws->focus, adelete);
4121 }
4122
4123
4124 int
4125 floating_toggle_win(struct ws_win *win)
4126 {
4127         struct swm_region       *r;
4128
4129         if (win == NULL)
4130                 return (0);
4131
4132         if (!win->ws->r)
4133                 return (0);
4134
4135         r = win->ws->r;
4136
4137         /* reject floating toggles in max stack mode */
4138         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4139                 return (0);
4140
4141         if (win->floating) {
4142                 if (!win->floatmaxed) {
4143                         /* retain position for refloat */
4144                         store_float_geom(win, r);
4145                 }
4146                 win->floating = 0;
4147         } else {
4148                 if (win->g_floatvalid) {
4149                         /* refloat at last floating relative position */
4150                         X(win) = win->g_float.x + X(r);
4151                         Y(win) = win->g_float.y + Y(r);
4152                         WIDTH(win) = win->g_float.w;
4153                         HEIGHT(win) = win->g_float.h;
4154                 }
4155                 win->floating = 1;
4156         }
4157
4158         ewmh_update_actions(win);
4159
4160         return (1);
4161 }
4162
4163 void
4164 floating_toggle(struct swm_region *r, union arg *args)
4165 {
4166         struct ws_win           *win = r->ws->focus;
4167         union arg               a;
4168
4169         if (win == NULL)
4170                 return;
4171
4172         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4173             _NET_WM_STATE_TOGGLE);
4174
4175         stack();
4176         if (focus_mode == SWM_FOCUS_DEFAULT)
4177                 drain_enter_notify();
4178
4179         if (win == win->ws->focus) {
4180                 a.id = SWM_ARG_ID_FOCUSCUR;
4181                 focus(win->ws->r, &a);
4182         }
4183 }
4184
4185 void
4186 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4187 {
4188         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4189                 if (resizable)
4190                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4191                 else
4192                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4193         }
4194
4195         if (X(win) + BORDER(win) < X(r)) {
4196                 if (resizable)
4197                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4198
4199                 X(win) = X(r) - BORDER(win);
4200         }
4201
4202         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4203                 if (resizable)
4204                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4205                 else
4206                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4207         }
4208
4209         if (Y(win) + BORDER(win) < Y(r)) {
4210                 if (resizable)
4211                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4212
4213                 Y(win) = Y(r) - BORDER(win);
4214         }
4215
4216         if (resizable) {
4217                 if (WIDTH(win) < 1)
4218                         WIDTH(win) = 1;
4219                 if (HEIGHT(win) < 1)
4220                         HEIGHT(win) = 1;
4221         }
4222 }
4223
4224 void
4225 update_window(struct ws_win *win)
4226 {
4227         uint16_t        mask;
4228         uint32_t        wc[5];
4229
4230         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4231                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4232                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4233         wc[0] = X(win);
4234         wc[1] = Y(win);
4235         wc[2] = WIDTH(win);
4236         wc[3] = HEIGHT(win);
4237         wc[4] = BORDER(win);
4238
4239         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4240             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4241             wc[3], YESNO(win->bordered));
4242
4243         xcb_configure_window(conn, win->id, mask, wc);
4244 }
4245
4246 #define SWM_RESIZE_STEPS        (50)
4247
4248 void
4249 resize(struct ws_win *win, union arg *args)
4250 {
4251         XEvent                  ev;
4252         Time                    time = 0;
4253         struct swm_region       *r = NULL;
4254         int                     resize_step = 0;
4255         Window                  rr, cr;
4256         int                     x, y, wx, wy;
4257         unsigned int            mask;
4258         struct swm_geometry     g;
4259         int                     top = 0, left = 0;
4260         int                     dx, dy;
4261         Cursor                  cursor;
4262         unsigned int            shape; /* cursor style */
4263
4264         if (win == NULL)
4265                 return;
4266         r = win->ws->r;
4267
4268         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4269                 return;
4270
4271         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
4272             "transient: 0x%lx\n", win->id, YESNO(win->floating),
4273             win->transient);
4274
4275         if (!(win->transient != 0 || win->floating != 0))
4276                 return;
4277
4278         /* reject resizes in max mode for floaters (transient ok) */
4279         if (win->floatmaxed)
4280                 return;
4281
4282         win->manual = 1;
4283         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4284             _NET_WM_STATE_ADD);
4285
4286         stack();
4287
4288         switch (args->id) {
4289         case SWM_ARG_ID_WIDTHSHRINK:
4290                 WIDTH(win) -= SWM_RESIZE_STEPS;
4291                 resize_step = 1;
4292                 break;
4293         case SWM_ARG_ID_WIDTHGROW:
4294                 WIDTH(win) += SWM_RESIZE_STEPS;
4295                 resize_step = 1;
4296                 break;
4297         case SWM_ARG_ID_HEIGHTSHRINK:
4298                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4299                 resize_step = 1;
4300                 break;
4301         case SWM_ARG_ID_HEIGHTGROW:
4302                 HEIGHT(win) += SWM_RESIZE_STEPS;
4303                 resize_step = 1;
4304                 break;
4305         default:
4306                 break;
4307         }
4308         if (resize_step) {
4309                 constrain_window(win, r, 1);
4310                 update_window(win);
4311                 store_float_geom(win,r);
4312                 return;
4313         }
4314
4315         if (focus_mode == SWM_FOCUS_DEFAULT)
4316                 drain_enter_notify();
4317
4318         /* get cursor offset from window root */
4319         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4320             return;
4321
4322         g = win->g;
4323
4324         if (wx < WIDTH(win) / 2)
4325                 left = 1;
4326
4327         if (wy < HEIGHT(win) / 2)
4328                 top = 1;
4329
4330         if (args->id == SWM_ARG_ID_CENTER)
4331                 shape = XC_sizing;
4332         else if (top)
4333                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4334         else
4335                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4336
4337         cursor = XCreateFontCursor(display, shape);
4338
4339         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4340             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4341                 XFreeCursor(display, cursor);
4342                 return;
4343         }
4344
4345         do {
4346                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4347                     SubstructureRedirectMask, &ev);
4348                 switch (ev.type) {
4349                 case ConfigureRequest:
4350                 case Expose:
4351                 case MapRequest:
4352                         handler[ev.type](&ev);
4353                         break;
4354                 case MotionNotify:
4355                         /* cursor offset/delta from start of the operation */
4356                         dx = ev.xmotion.x_root - x;
4357                         dy = ev.xmotion.y_root - y;
4358
4359                         /* vertical */
4360                         if (top)
4361                                 dy = -dy;
4362
4363                         if (args->id == SWM_ARG_ID_CENTER) {
4364                                 if (g.h / 2 + dy < 1)
4365                                         dy = 1 - g.h / 2;
4366
4367                                 Y(win) = g.y - dy;
4368                                 HEIGHT(win) = g.h + 2 * dy;
4369                         } else {
4370                                 if (g.h + dy < 1)
4371                                         dy = 1 - g.h;
4372
4373                                 if (top)
4374                                         Y(win) = g.y - dy;
4375
4376                                 HEIGHT(win) = g.h + dy;
4377                         }
4378
4379                         /* horizontal */
4380                         if (left)
4381                                 dx = -dx;
4382
4383                         if (args->id == SWM_ARG_ID_CENTER) {
4384                                 if (g.w / 2 + dx < 1)
4385                                         dx = 1 - g.w / 2;
4386
4387                                 X(win) = g.x - dx;
4388                                 WIDTH(win) = g.w + 2 * dx;
4389                         } else {
4390                                 if (g.w + dx < 1)
4391                                         dx = 1 - g.w;
4392
4393                                 if (left)
4394                                         X(win) = g.x - dx;
4395
4396                                 WIDTH(win) = g.w + dx;
4397                         }
4398
4399                         constrain_window(win, r, 1);
4400
4401                         /* not free, don't sync more than 120 times / second */
4402                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4403                                 time = ev.xmotion.time;
4404                                 do_sync();
4405                                 update_window(win);
4406                         }
4407                         break;
4408                 }
4409         } while (ev.type != ButtonRelease);
4410         if (time) {
4411                 do_sync();
4412                 update_window(win);
4413         }
4414         store_float_geom(win,r);
4415
4416         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4417         XFreeCursor(display, cursor);
4418
4419         /* drain events */
4420         drain_enter_notify();
4421 }
4422
4423 void
4424 resize_step(struct swm_region *r, union arg *args)
4425 {
4426         struct ws_win           *win = NULL;
4427
4428         if (r && r->ws && r->ws->focus)
4429                 win = r->ws->focus;
4430         else
4431                 return;
4432
4433         resize(win, args);
4434 }
4435
4436 #define SWM_MOVE_STEPS  (50)
4437
4438 void
4439 move(struct ws_win *win, union arg *args)
4440 {
4441         XEvent                  ev;
4442         Time                    time = 0;
4443         int                     move_step = 0;
4444         struct swm_region       *r = NULL;
4445
4446         Window                  rr, cr;
4447         int                     x, y, wx, wy;
4448         unsigned int            mask;
4449
4450         if (win == NULL)
4451                 return;
4452         r = win->ws->r;
4453
4454         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4455                 return;
4456
4457         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4458             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4459
4460         /* in max_stack mode should only move transients */
4461         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4462                 return;
4463
4464         win->manual = 1;
4465         if (win->floating == 0 && !win->transient) {
4466                 store_float_geom(win, r);
4467                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4468                     _NET_WM_STATE_ADD);
4469         }
4470         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4471             _NET_WM_STATE_ADD);
4472
4473         stack();
4474
4475         move_step = 0;
4476         switch (args->id) {
4477         case SWM_ARG_ID_MOVELEFT:
4478                 X(win) -= (SWM_MOVE_STEPS - border_width);
4479                 move_step = 1;
4480                 break;
4481         case SWM_ARG_ID_MOVERIGHT:
4482                 X(win) += (SWM_MOVE_STEPS - border_width);
4483                 move_step = 1;
4484                 break;
4485         case SWM_ARG_ID_MOVEUP:
4486                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4487                 move_step = 1;
4488                 break;
4489         case SWM_ARG_ID_MOVEDOWN:
4490                 Y(win) += (SWM_MOVE_STEPS - border_width);
4491                 move_step = 1;
4492                 break;
4493         default:
4494                 break;
4495         }
4496         if (move_step) {
4497                 constrain_window(win, r, 0);
4498                 update_window(win);
4499                 store_float_geom(win, r);
4500                 return;
4501         }
4502
4503         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4504             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4505             CurrentTime) != GrabSuccess)
4506                 return;
4507
4508         /* get cursor offset from window root */
4509         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4510             return;
4511
4512         do {
4513                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4514                     SubstructureRedirectMask, &ev);
4515                 switch (ev.type) {
4516                 case ConfigureRequest:
4517                 case Expose:
4518                 case MapRequest:
4519                         handler[ev.type](&ev);
4520                         break;
4521                 case MotionNotify:
4522                         X(win) = ev.xmotion.x_root - wx - border_width;
4523                         Y(win) = ev.xmotion.y_root - wy - border_width;
4524
4525                         constrain_window(win, r, 0);
4526
4527                         /* not free, don't sync more than 120 times / second */
4528                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4529                                 time = ev.xmotion.time;
4530                                 do_sync();
4531                                 update_window(win);
4532                         }
4533                         break;
4534                 }
4535         } while (ev.type != ButtonRelease);
4536         if (time) {
4537                 do_sync();
4538                 update_window(win);
4539         }
4540         store_float_geom(win, r);
4541         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4542
4543         /* drain events */
4544         drain_enter_notify();
4545 }
4546
4547 void
4548 move_step(struct swm_region *r, union arg *args)
4549 {
4550         struct ws_win           *win = NULL;
4551
4552         if (r && r->ws && r->ws->focus)
4553                 win = r->ws->focus;
4554         else
4555                 return;
4556
4557         if (!(win->transient != 0 || win->floating != 0))
4558                 return;
4559
4560         move(win, args);
4561 }
4562
4563
4564 /* user/key callable function IDs */
4565 enum keyfuncid {
4566         kf_cycle_layout,
4567         kf_flip_layout,
4568         kf_stack_reset,
4569         kf_master_shrink,
4570         kf_master_grow,
4571         kf_master_add,
4572         kf_master_del,
4573         kf_stack_inc,
4574         kf_stack_dec,
4575         kf_swap_main,
4576         kf_focus_next,
4577         kf_focus_prev,
4578         kf_swap_next,
4579         kf_swap_prev,
4580         kf_quit,
4581         kf_restart,
4582         kf_focus_main,
4583         kf_ws_1,
4584         kf_ws_2,
4585         kf_ws_3,
4586         kf_ws_4,
4587         kf_ws_5,
4588         kf_ws_6,
4589         kf_ws_7,
4590         kf_ws_8,
4591         kf_ws_9,
4592         kf_ws_10,
4593         kf_ws_11,
4594         kf_ws_12,
4595         kf_ws_13,
4596         kf_ws_14,
4597         kf_ws_15,
4598         kf_ws_16,
4599         kf_ws_17,
4600         kf_ws_18,
4601         kf_ws_19,
4602         kf_ws_20,
4603         kf_ws_21,
4604         kf_ws_22,
4605         kf_ws_next,
4606         kf_ws_prev,
4607         kf_ws_next_all,
4608         kf_ws_prev_all,
4609         kf_ws_prior,
4610         kf_screen_next,
4611         kf_screen_prev,
4612         kf_mvws_1,
4613         kf_mvws_2,
4614         kf_mvws_3,
4615         kf_mvws_4,
4616         kf_mvws_5,
4617         kf_mvws_6,
4618         kf_mvws_7,
4619         kf_mvws_8,
4620         kf_mvws_9,
4621         kf_mvws_10,
4622         kf_mvws_11,
4623         kf_mvws_12,
4624         kf_mvws_13,
4625         kf_mvws_14,
4626         kf_mvws_15,
4627         kf_mvws_16,
4628         kf_mvws_17,
4629         kf_mvws_18,
4630         kf_mvws_19,
4631         kf_mvws_20,
4632         kf_mvws_21,
4633         kf_mvws_22,
4634         kf_bar_toggle,
4635         kf_wind_kill,
4636         kf_wind_del,
4637         kf_float_toggle,
4638         kf_version,
4639         kf_spawn_custom,
4640         kf_iconify,
4641         kf_uniconify,
4642         kf_raise_toggle,
4643         kf_button2,
4644         kf_width_shrink,
4645         kf_width_grow,
4646         kf_height_shrink,
4647         kf_height_grow,
4648         kf_move_left,
4649         kf_move_right,
4650         kf_move_up,
4651         kf_move_down,
4652         kf_name_workspace,
4653         kf_search_workspace,
4654         kf_search_win,
4655         kf_dumpwins, /* MUST BE LAST */
4656         kf_invalid
4657 };
4658
4659 /* key definitions */
4660 void
4661 dummykeyfunc(struct swm_region *r, union arg *args)
4662 {
4663 };
4664
4665 struct keyfunc {
4666         char                    name[SWM_FUNCNAME_LEN];
4667         void                    (*func)(struct swm_region *r, union arg *);
4668         union arg               args;
4669 } keyfuncs[kf_invalid + 1] = {
4670         /* name                 function        argument */
4671         { "cycle_layout",       cycle_layout,   {0} },
4672         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4673         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4674         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4675         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4676         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4677         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4678         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4679         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4680         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4681         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4682         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4683         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4684         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4685         { "quit",               quit,           {0} },
4686         { "restart",            restart,        {0} },
4687         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4688         { "ws_1",               switchws,       {.id = 0} },
4689         { "ws_2",               switchws,       {.id = 1} },
4690         { "ws_3",               switchws,       {.id = 2} },
4691         { "ws_4",               switchws,       {.id = 3} },
4692         { "ws_5",               switchws,       {.id = 4} },
4693         { "ws_6",               switchws,       {.id = 5} },
4694         { "ws_7",               switchws,       {.id = 6} },
4695         { "ws_8",               switchws,       {.id = 7} },
4696         { "ws_9",               switchws,       {.id = 8} },
4697         { "ws_10",              switchws,       {.id = 9} },
4698         { "ws_11",              switchws,       {.id = 10} },
4699         { "ws_12",              switchws,       {.id = 11} },
4700         { "ws_13",              switchws,       {.id = 12} },
4701         { "ws_14",              switchws,       {.id = 13} },
4702         { "ws_15",              switchws,       {.id = 14} },
4703         { "ws_16",              switchws,       {.id = 15} },
4704         { "ws_17",              switchws,       {.id = 16} },
4705         { "ws_18",              switchws,       {.id = 17} },
4706         { "ws_19",              switchws,       {.id = 18} },
4707         { "ws_20",              switchws,       {.id = 19} },
4708         { "ws_21",              switchws,       {.id = 20} },
4709         { "ws_22",              switchws,       {.id = 21} },
4710         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4711         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4712         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4713         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4714         { "ws_prior",           priorws,        {0} },
4715         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4716         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4717         { "mvws_1",             send_to_ws,     {.id = 0} },
4718         { "mvws_2",             send_to_ws,     {.id = 1} },
4719         { "mvws_3",             send_to_ws,     {.id = 2} },
4720         { "mvws_4",             send_to_ws,     {.id = 3} },
4721         { "mvws_5",             send_to_ws,     {.id = 4} },
4722         { "mvws_6",             send_to_ws,     {.id = 5} },
4723         { "mvws_7",             send_to_ws,     {.id = 6} },
4724         { "mvws_8",             send_to_ws,     {.id = 7} },
4725         { "mvws_9",             send_to_ws,     {.id = 8} },
4726         { "mvws_10",            send_to_ws,     {.id = 9} },
4727         { "mvws_11",            send_to_ws,     {.id = 10} },
4728         { "mvws_12",            send_to_ws,     {.id = 11} },
4729         { "mvws_13",            send_to_ws,     {.id = 12} },
4730         { "mvws_14",            send_to_ws,     {.id = 13} },
4731         { "mvws_15",            send_to_ws,     {.id = 14} },
4732         { "mvws_16",            send_to_ws,     {.id = 15} },
4733         { "mvws_17",            send_to_ws,     {.id = 16} },
4734         { "mvws_18",            send_to_ws,     {.id = 17} },
4735         { "mvws_19",            send_to_ws,     {.id = 18} },
4736         { "mvws_20",            send_to_ws,     {.id = 19} },
4737         { "mvws_21",            send_to_ws,     {.id = 20} },
4738         { "mvws_22",            send_to_ws,     {.id = 21} },
4739         { "bar_toggle",         bar_toggle,     {0} },
4740         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4741         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4742         { "float_toggle",       floating_toggle,{0} },
4743         { "version",            version,        {0} },
4744         { "spawn_custom",       dummykeyfunc,   {0} },
4745         { "iconify",            iconify,        {0} },
4746         { "uniconify",          uniconify,      {0} },
4747         { "raise_toggle",       raise_toggle,   {0} },
4748         { "button2",            pressbutton,    {2} },
4749         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4750         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4751         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4752         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4753         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4754         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4755         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4756         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4757         { "name_workspace",     name_workspace, {0} },
4758         { "search_workspace",   search_workspace,       {0} },
4759         { "search_win",         search_win,     {0} },
4760         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4761         { "invalid key func",   NULL,           {0} },
4762 };
4763 struct key {
4764         RB_ENTRY(key)           entry;
4765         unsigned int            mod;
4766         KeySym                  keysym;
4767         enum keyfuncid          funcid;
4768         char                    *spawn_name;
4769 };
4770 RB_HEAD(key_tree, key);
4771
4772 int
4773 key_cmp(struct key *kp1, struct key *kp2)
4774 {
4775         if (kp1->keysym < kp2->keysym)
4776                 return (-1);
4777         if (kp1->keysym > kp2->keysym)
4778                 return (1);
4779
4780         if (kp1->mod < kp2->mod)
4781                 return (-1);
4782         if (kp1->mod > kp2->mod)
4783                 return (1);
4784
4785         return (0);
4786 }
4787
4788 RB_GENERATE(key_tree, key, entry, key_cmp);
4789 struct key_tree                 keys;
4790
4791 /* mouse */
4792 enum { client_click, root_click };
4793 struct button {
4794         unsigned int            action;
4795         unsigned int            mask;
4796         unsigned int            button;
4797         void                    (*func)(struct ws_win *, union arg *);
4798         union arg               args;
4799 } buttons[] = {
4800           /* action     key             mouse button    func    args */
4801         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4802         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4803         { client_click, MODKEY,         Button1,        move,   {0} },
4804 };
4805
4806 void
4807 update_modkey(unsigned int mod)
4808 {
4809         int                     i;
4810         struct key              *kp;
4811
4812         mod_key = mod;
4813         RB_FOREACH(kp, key_tree, &keys)
4814                 if (kp->mod & ShiftMask)
4815                         kp->mod = mod | ShiftMask;
4816                 else
4817                         kp->mod = mod;
4818
4819         for (i = 0; i < LENGTH(buttons); i++)
4820                 if (buttons[i].mask & ShiftMask)
4821                         buttons[i].mask = mod | ShiftMask;
4822                 else
4823                         buttons[i].mask = mod;
4824 }
4825
4826 /* spawn */
4827 struct spawn_prog {
4828         TAILQ_ENTRY(spawn_prog) entry;
4829         char                    *name;
4830         int                     argc;
4831         char                    **argv;
4832 };
4833 TAILQ_HEAD(spawn_list, spawn_prog);
4834 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4835
4836 int
4837 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4838     char ***ret_args)
4839 {
4840         struct spawn_prog       *prog = NULL;
4841         int                     i;
4842         char                    *ap, **real_args;
4843
4844         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4845
4846         /* find program */
4847         TAILQ_FOREACH(prog, &spawns, entry) {
4848                 if (!strcasecmp(spawn_name, prog->name))
4849                         break;
4850         }
4851         if (prog == NULL) {
4852                 warnx("spawn_custom: program %s not found", spawn_name);
4853                 return (-1);
4854         }
4855
4856         /* make room for expanded args */
4857         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4858                 err(1, "spawn_custom: calloc real_args");
4859
4860         /* expand spawn_args into real_args */
4861         for (i = 0; i < prog->argc; i++) {
4862                 ap = prog->argv[i];
4863                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4864                 if (!strcasecmp(ap, "$bar_border")) {
4865                         if ((real_args[i] =
4866                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4867                             == NULL)
4868                                 err(1,  "spawn_custom border color");
4869                 } else if (!strcasecmp(ap, "$bar_color")) {
4870                         if ((real_args[i] =
4871                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4872                             == NULL)
4873                                 err(1, "spawn_custom bar color");
4874                 } else if (!strcasecmp(ap, "$bar_font")) {
4875                         if ((real_args[i] = strdup(bar_fonts))
4876                             == NULL)
4877                                 err(1, "spawn_custom bar fonts");
4878                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4879                         if ((real_args[i] =
4880                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4881                             == NULL)
4882                                 err(1, "spawn_custom color font");
4883                 } else if (!strcasecmp(ap, "$color_focus")) {
4884                         if ((real_args[i] =
4885                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4886                             == NULL)
4887                                 err(1, "spawn_custom color focus");
4888                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4889                         if ((real_args[i] =
4890                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4891                             == NULL)
4892                                 err(1, "spawn_custom color unfocus");
4893                 } else {
4894                         /* no match --> copy as is */
4895                         if ((real_args[i] = strdup(ap)) == NULL)
4896                                 err(1, "spawn_custom strdup(ap)");
4897                 }
4898                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4899                     real_args[i]);
4900         }
4901
4902 #ifdef SWM_DEBUG
4903         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4904         for (i = 0; i < prog->argc; i++)
4905                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4906         DNPRINTF(SWM_D_SPAWN, "\n");
4907 #endif
4908         *ret_args = real_args;
4909         return (prog->argc);
4910 }
4911
4912 void
4913 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4914 {
4915         union arg               a;
4916         char                    **real_args;
4917         int                     spawn_argc, i;
4918
4919         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4920                 return;
4921         a.argv = real_args;
4922         if (fork() == 0)
4923                 spawn(r->ws->idx, &a, 1);
4924
4925         for (i = 0; i < spawn_argc; i++)
4926                 free(real_args[i]);
4927         free(real_args);
4928 }
4929
4930 void
4931 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4932 {
4933         union arg               a;
4934         char                    **real_args;
4935         int                     i, spawn_argc;
4936
4937         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4938                 return;
4939         a.argv = real_args;
4940
4941         if (pipe(select_list_pipe) == -1)
4942                 err(1, "pipe error");
4943         if (pipe(select_resp_pipe) == -1)
4944                 err(1, "pipe error");
4945
4946         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4947                 err(1, "could not disable SIGPIPE");
4948         switch (*pid = fork()) {
4949         case -1:
4950                 err(1, "cannot fork");
4951                 break;
4952         case 0: /* child */
4953                 if (dup2(select_list_pipe[0], 0) == -1)
4954                         err(1, "dup2");
4955                 if (dup2(select_resp_pipe[1], 1) == -1)
4956                         err(1, "dup2");
4957                 close(select_list_pipe[1]);
4958                 close(select_resp_pipe[0]);
4959                 spawn(r->ws->idx, &a, 0);
4960                 break;
4961         default: /* parent */
4962                 close(select_list_pipe[0]);
4963                 close(select_resp_pipe[1]);
4964                 break;
4965         }
4966
4967         for (i = 0; i < spawn_argc; i++)
4968                 free(real_args[i]);
4969         free(real_args);
4970 }
4971
4972 void
4973 spawn_insert(char *name, char *args)
4974 {
4975         char                    *arg, *cp, *ptr;
4976         struct spawn_prog       *sp;
4977
4978         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4979
4980         if ((sp = calloc(1, sizeof *sp)) == NULL)
4981                 err(1, "spawn_insert: malloc");
4982         if ((sp->name = strdup(name)) == NULL)
4983                 err(1, "spawn_insert: strdup");
4984
4985         /* convert the arguments to an argument list */
4986         if ((ptr = cp = strdup(args)) == NULL)
4987                 err(1, "spawn_insert: strdup");
4988         while ((arg = strsep(&ptr, " \t")) != NULL) {
4989                 /* empty field; skip it */
4990                 if (*arg == '\0')
4991                         continue;
4992
4993                 sp->argc++;
4994                 if ((sp->argv = realloc(sp->argv, sp->argc *
4995                     sizeof *sp->argv)) == NULL)
4996                         err(1, "spawn_insert: realloc");
4997                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4998                         err(1, "spawn_insert: strdup");
4999         }
5000         free(cp);
5001
5002         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5003         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5004 }
5005
5006 void
5007 spawn_remove(struct spawn_prog *sp)
5008 {
5009         int                     i;
5010
5011         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5012
5013         TAILQ_REMOVE(&spawns, sp, entry);
5014         for (i = 0; i < sp->argc; i++)
5015                 free(sp->argv[i]);
5016         free(sp->argv);
5017         free(sp->name);
5018         free(sp);
5019
5020         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5021 }
5022
5023 void
5024 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5025 {
5026         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5027
5028         spawn_remove(sp);
5029         spawn_insert(name, args);
5030
5031         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5032 }
5033
5034 void
5035 setspawn(char *name, char *args)
5036 {
5037         struct spawn_prog       *sp;
5038
5039         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5040
5041         if (name == NULL)
5042                 return;
5043
5044         TAILQ_FOREACH(sp, &spawns, entry) {
5045                 if (!strcmp(sp->name, name)) {
5046                         if (*args == '\0')
5047                                 spawn_remove(sp);
5048                         else
5049                                 spawn_replace(sp, name, args);
5050                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5051                         return;
5052                 }
5053         }
5054         if (*args == '\0') {
5055                 warnx("error: setspawn: cannot find program: %s", name);
5056                 return;
5057         }
5058
5059         spawn_insert(name, args);
5060         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5061 }
5062
5063 int
5064 setconfspawn(char *selector, char *value, int flags)
5065 {
5066         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5067
5068         setspawn(selector, value);
5069
5070         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5071         return (0);
5072 }
5073
5074 void
5075 setup_spawn(void)
5076 {
5077         setconfspawn("term",            "xterm",                0);
5078         setconfspawn("spawn_term",      "xterm",                0);
5079         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5080         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5081         setconfspawn("lock",            "xlock",                0);
5082         setconfspawn("initscr",         "initscreen.sh",        0);
5083         setconfspawn("menu",            "dmenu_run"
5084                                         " -fn $bar_font"
5085                                         " -nb $bar_color"
5086                                         " -nf $bar_font_color"
5087                                         " -sb $bar_border"
5088                                         " -sf $bar_color",      0);
5089         setconfspawn("search",          "dmenu"
5090                                         " -i"
5091                                         " -fn $bar_font"
5092                                         " -nb $bar_color"
5093                                         " -nf $bar_font_color"
5094                                         " -sb $bar_border"
5095                                         " -sf $bar_color",      0);
5096         setconfspawn("name_workspace",  "dmenu"
5097                                         " -p Workspace"
5098                                         " -fn $bar_font"
5099                                         " -nb $bar_color"
5100                                         " -nf $bar_font_color"
5101                                         " -sb $bar_border"
5102                                         " -sf $bar_color",      0);
5103 }
5104
5105 /* key bindings */
5106 #define SWM_MODNAME_SIZE        32
5107 #define SWM_KEY_WS              "\n+ \t"
5108 int
5109 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5110 {
5111         char                    *cp, *name;
5112         KeySym                  uks;
5113         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5114         if (mod == NULL || ks == NULL) {
5115                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5116                 return (1);
5117         }
5118         if (keystr == NULL || strlen(keystr) == 0) {
5119                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5120                 return (1);
5121         }
5122         cp = keystr;
5123         *ks = NoSymbol;
5124         *mod = 0;
5125         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5126                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5127                 if (cp)
5128                         cp += (long)strspn(cp, SWM_KEY_WS);
5129                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5130                         *mod |= currmod;
5131                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5132                         *mod |= Mod1Mask;
5133                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5134                         *mod += Mod2Mask;
5135                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5136                         *mod |= Mod3Mask;
5137                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5138                         *mod |= Mod4Mask;
5139                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5140                         *mod |= ShiftMask;
5141                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5142                         *mod |= ControlMask;
5143                 else {
5144                         *ks = XStringToKeysym(name);
5145                         XConvertCase(*ks, ks, &uks);
5146                         if (ks == NoSymbol) {
5147                                 DNPRINTF(SWM_D_KEY,
5148                                     "parsekeys: invalid key %s\n",
5149                                     name);
5150                                 return (1);
5151                         }
5152                 }
5153         }
5154         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5155         return (0);
5156 }
5157
5158 char *
5159 strdupsafe(char *str)
5160 {
5161         if (str == NULL)
5162                 return (NULL);
5163         else
5164                 return (strdup(str));
5165 }
5166
5167 void
5168 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5169 {
5170         struct key              *kp;
5171
5172         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5173             keyfuncs[kfid].name, spawn_name);
5174
5175         if ((kp = malloc(sizeof *kp)) == NULL)
5176                 err(1, "key_insert: malloc");
5177
5178         kp->mod = mod;
5179         kp->keysym = ks;
5180         kp->funcid = kfid;
5181         kp->spawn_name = strdupsafe(spawn_name);
5182         RB_INSERT(key_tree, &keys, kp);
5183
5184         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5185 }
5186
5187 struct key *
5188 key_lookup(unsigned int mod, KeySym ks)
5189 {
5190         struct key              kp;
5191
5192         kp.keysym = ks;
5193         kp.mod = mod;
5194
5195         return (RB_FIND(key_tree, &keys, &kp));
5196 }
5197
5198 void
5199 key_remove(struct key *kp)
5200 {
5201         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5202
5203         RB_REMOVE(key_tree, &keys, kp);
5204         free(kp->spawn_name);
5205         free(kp);
5206
5207         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5208 }
5209
5210 void
5211 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5212     char *spawn_name)
5213 {
5214         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5215             spawn_name);
5216
5217         key_remove(kp);
5218         key_insert(mod, ks, kfid, spawn_name);
5219
5220         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5221 }
5222
5223 void
5224 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5225     char *spawn_name)
5226 {
5227         struct key              *kp;
5228
5229         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5230             keyfuncs[kfid].name, spawn_name);
5231
5232         if ((kp = key_lookup(mod, ks)) != NULL) {
5233                 if (kfid == kf_invalid)
5234                         key_remove(kp);
5235                 else
5236                         key_replace(kp, mod, ks, kfid, spawn_name);
5237                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5238                 return;
5239         }
5240         if (kfid == kf_invalid) {
5241                 warnx("error: setkeybinding: cannot find mod/key combination");
5242                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5243                 return;
5244         }
5245
5246         key_insert(mod, ks, kfid, spawn_name);
5247         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5248 }
5249
5250 int
5251 setconfbinding(char *selector, char *value, int flags)
5252 {
5253         enum keyfuncid          kfid;
5254         unsigned int            mod;
5255         KeySym                  ks;
5256         struct spawn_prog       *sp;
5257         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5258         if (selector == NULL) {
5259                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5260                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5261                         kfid = kf_invalid;
5262                         setkeybinding(mod, ks, kfid, NULL);
5263                         return (0);
5264                 } else
5265                         return (1);
5266         }
5267         /* search by key function name */
5268         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5269                 if (strncasecmp(selector, keyfuncs[kfid].name,
5270                     SWM_FUNCNAME_LEN) == 0) {
5271                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5272                             selector);
5273                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5274                                 setkeybinding(mod, ks, kfid, NULL);
5275                                 return (0);
5276                         } else
5277                                 return (1);
5278                 }
5279         }
5280         /* search by custom spawn name */
5281         TAILQ_FOREACH(sp, &spawns, entry) {
5282                 if (strcasecmp(selector, sp->name) == 0) {
5283                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5284                             selector);
5285                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5286                                 setkeybinding(mod, ks, kf_spawn_custom,
5287                                     sp->name);
5288                                 return (0);
5289                         } else
5290                                 return (1);
5291                 }
5292         }
5293         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5294         return (1);
5295 }
5296
5297 void
5298 setup_keys(void)
5299 {
5300         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5301         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5302         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5303         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5304         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5305         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5306         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5307         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5308         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5309         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5310         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5311         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5312         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5313         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5314         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5315         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5316         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5317         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5318         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5319         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5320         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5321         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5322         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5323         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5324         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5325         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5326         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5327         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5328         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5329         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5330         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5331         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5332         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5333         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5334         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5335         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5336         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5337         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5338         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5339         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5340         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5341         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5342         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5343         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5344         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5345         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5346         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5347         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5348         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5349         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5350         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5351         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5352         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5353         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5354         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5355         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5356         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5357         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5358         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5359         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5360         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5361         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5362         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5363         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5364         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5365         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5366         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5367         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5368         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5369         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5370         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5371         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5372         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5373         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5374         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5375         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5376         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5377         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5378         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5379         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5380         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5381         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5382         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5383         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5384         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5385         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5386         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5387         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5388         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5389         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5390         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5391         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5392         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5393         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5394         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5395         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5396 #ifdef SWM_DEBUG
5397         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5398 #endif
5399 }
5400
5401 void
5402 clear_keys(void)
5403 {
5404         struct key              *kp;
5405
5406         while (RB_EMPTY(&keys) == 0) {
5407                 kp = RB_ROOT(&keys);
5408                 key_remove(kp);
5409         }
5410 }
5411
5412 int
5413 setkeymapping(char *selector, char *value, int flags)
5414 {
5415         char                    keymapping_file[PATH_MAX];
5416         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5417         if (value[0] == '~')
5418                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5419                     pwd->pw_dir, &value[1]);
5420         else
5421                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5422         clear_keys();
5423         /* load new key bindings; if it fails, revert to default bindings */
5424         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5425                 clear_keys();
5426                 setup_keys();
5427         }
5428         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5429         return (0);
5430 }
5431
5432 void
5433 updatenumlockmask(void)
5434 {
5435         unsigned int            i, j;
5436         XModifierKeymap         *modmap;
5437
5438         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5439         numlockmask = 0;
5440         modmap = XGetModifierMapping(display);
5441         for (i = 0; i < 8; i++)
5442                 for (j = 0; j < modmap->max_keypermod; j++)
5443                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5444                             == XKeysymToKeycode(display, XK_Num_Lock))
5445                                 numlockmask = (1 << i);
5446
5447         XFreeModifiermap(modmap);
5448 }
5449
5450 void
5451 grabkeys(void)
5452 {
5453         int                     num_screens;
5454         unsigned int            j, k;
5455         KeyCode                 code;
5456         unsigned int            modifiers[] =
5457             { 0, LockMask, numlockmask, numlockmask | LockMask };
5458         struct key              *kp;
5459
5460         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5461         updatenumlockmask();
5462
5463         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5464         for (k = 0; k < num_screens; k++) {
5465                 if (TAILQ_EMPTY(&screens[k].rl))
5466                         continue;
5467                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5468                         XCB_MOD_MASK_ANY);
5469                 RB_FOREACH(kp, key_tree, &keys) {
5470                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5471                                 for (j = 0; j < LENGTH(modifiers); j++)
5472                                         XGrabKey(display, code,
5473                                             kp->mod | modifiers[j],
5474                                             screens[k].root, True,
5475                                             GrabModeAsync, GrabModeAsync);
5476                 }
5477         }
5478 }
5479
5480 void
5481 grabbuttons(struct ws_win *win, int focused)
5482 {
5483         unsigned int            i, j;
5484         unsigned int            modifiers[] =
5485             { 0, LockMask, numlockmask, numlockmask|LockMask };
5486
5487         updatenumlockmask();
5488         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5489                 XCB_BUTTON_MASK_ANY);
5490         if (focused) {
5491                 for (i = 0; i < LENGTH(buttons); i++)
5492                         if (buttons[i].action == client_click)
5493                                 for (j = 0; j < LENGTH(modifiers); j++)
5494                                         xcb_grab_button(conn, False, win->id,
5495                                                 BUTTONMASK,
5496                                                 XCB_GRAB_MODE_ASYNC,
5497                                                 XCB_GRAB_MODE_SYNC,
5498                                                 XCB_WINDOW_NONE,
5499                                                 XCB_CURSOR_NONE,
5500                                                 buttons[i].button,
5501                                                 buttons[i].mask);
5502         } else
5503                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5504                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5505                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5506                         XCB_BUTTON_MASK_ANY);
5507 }
5508
5509 const char *quirkname[] = {
5510         "NONE",         /* config string for "no value" */
5511         "FLOAT",
5512         "TRANSSZ",
5513         "ANYWHERE",
5514         "XTERM_FONTADJ",
5515         "FULLSCREEN",
5516         "FOCUSPREV",
5517 };
5518
5519 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5520 #define SWM_Q_WS                "\n|+ \t"
5521 int
5522 parsequirks(char *qstr, unsigned long *quirk)
5523 {
5524         char                    *cp, *name;
5525         int                     i;
5526
5527         if (quirk == NULL)
5528                 return (1);
5529
5530         cp = qstr;
5531         *quirk = 0;
5532         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5533                 if (cp)
5534                         cp += (long)strspn(cp, SWM_Q_WS);
5535                 for (i = 0; i < LENGTH(quirkname); i++) {
5536                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5537                                 DNPRINTF(SWM_D_QUIRK,
5538                                     "parsequirks: %s\n", name);
5539                                 if (i == 0) {
5540                                         *quirk = 0;
5541                                         return (0);
5542                                 }
5543                                 *quirk |= 1 << (i-1);
5544                                 break;
5545                         }
5546                 }
5547                 if (i >= LENGTH(quirkname)) {
5548                         DNPRINTF(SWM_D_QUIRK,
5549                             "parsequirks: invalid quirk [%s]\n", name);
5550                         return (1);
5551                 }
5552         }
5553         return (0);
5554 }
5555
5556 void
5557 quirk_insert(const char *class, const char *name, unsigned long quirk)
5558 {
5559         struct quirk            *qp;
5560
5561         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5562             quirk);
5563
5564         if ((qp = malloc(sizeof *qp)) == NULL)
5565                 err(1, "quirk_insert: malloc");
5566         if ((qp->class = strdup(class)) == NULL)
5567                 err(1, "quirk_insert: strdup");
5568         if ((qp->name = strdup(name)) == NULL)
5569                 err(1, "quirk_insert: strdup");
5570
5571         qp->quirk = quirk;
5572         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5573
5574         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5575 }
5576
5577 void
5578 quirk_remove(struct quirk *qp)
5579 {
5580         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5581             qp->name, qp->quirk);
5582
5583         TAILQ_REMOVE(&quirks, qp, entry);
5584         free(qp->class);
5585         free(qp->name);
5586         free(qp);
5587
5588         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5589 }
5590
5591 void
5592 quirk_replace(struct quirk *qp, const char *class, const char *name,
5593     unsigned long quirk)
5594 {
5595         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5596             qp->name, qp->quirk);
5597
5598         quirk_remove(qp);
5599         quirk_insert(class, name, quirk);
5600
5601         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5602 }
5603
5604 void
5605 setquirk(const char *class, const char *name, unsigned long quirk)
5606 {
5607         struct quirk            *qp;
5608
5609         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5610            quirk);
5611
5612         TAILQ_FOREACH(qp, &quirks, entry) {
5613                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5614                         if (!quirk)
5615                                 quirk_remove(qp);
5616                         else
5617                                 quirk_replace(qp, class, name, quirk);
5618                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5619                         return;
5620                 }
5621         }
5622         if (!quirk) {
5623                 warnx("error: setquirk: cannot find class/name combination");
5624                 return;
5625         }
5626
5627         quirk_insert(class, name, quirk);
5628         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5629 }
5630
5631 int
5632 setconfquirk(char *selector, char *value, int flags)
5633 {
5634         char                    *cp, *class, *name;
5635         int                     retval;
5636         unsigned long           quirks;
5637         if (selector == NULL)
5638                 return (0);
5639         if ((cp = strchr(selector, ':')) == NULL)
5640                 return (0);
5641         *cp = '\0';
5642         class = selector;
5643         name = cp + 1;
5644         if ((retval = parsequirks(value, &quirks)) == 0)
5645                 setquirk(class, name, quirks);
5646         return (retval);
5647 }
5648
5649 void
5650 setup_quirks(void)
5651 {
5652         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5653         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5654         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5655         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5656         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5657         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5658         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5659         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5660         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5661         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5662         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5663         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5664         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5665 }
5666
5667 /* conf file stuff */
5668 #define SWM_CONF_FILE           "spectrwm.conf"
5669 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5670
5671 enum {
5672         SWM_S_BAR_ACTION,
5673         SWM_S_BAR_AT_BOTTOM,
5674         SWM_S_BAR_BORDER_WIDTH,
5675         SWM_S_BAR_DELAY,
5676         SWM_S_BAR_ENABLED,
5677         SWM_S_BAR_FONT,
5678         SWM_S_BAR_FORMAT,
5679         SWM_S_BAR_JUSTIFY,
5680         SWM_S_BORDER_WIDTH,
5681         SWM_S_CLOCK_ENABLED,
5682         SWM_S_CLOCK_FORMAT,
5683         SWM_S_CYCLE_EMPTY,
5684         SWM_S_CYCLE_VISIBLE,
5685         SWM_S_DIALOG_RATIO,
5686         SWM_S_DISABLE_BORDER,
5687         SWM_S_FOCUS_CLOSE,
5688         SWM_S_FOCUS_CLOSE_WRAP,
5689         SWM_S_FOCUS_DEFAULT,
5690         SWM_S_FOCUS_MODE,
5691         SWM_S_SPAWN_ORDER,
5692         SWM_S_SPAWN_TERM,
5693         SWM_S_SS_APP,
5694         SWM_S_SS_ENABLED,
5695         SWM_S_STACK_ENABLED,
5696         SWM_S_TERM_WIDTH,
5697         SWM_S_TITLE_CLASS_ENABLED,
5698         SWM_S_TITLE_NAME_ENABLED,
5699         SWM_S_URGENT_ENABLED,
5700         SWM_S_VERBOSE_LAYOUT,
5701         SWM_S_WINDOW_NAME_ENABLED,
5702         SWM_S_WORKSPACE_LIMIT
5703 };
5704
5705 int
5706 setconfvalue(char *selector, char *value, int flags)
5707 {
5708         int     i;
5709         char    *b;
5710
5711         switch (flags) {
5712         case SWM_S_BAR_ACTION:
5713                 free(bar_argv[0]);
5714                 if ((bar_argv[0] = strdup(value)) == NULL)
5715                         err(1, "setconfvalue: bar_action");
5716                 break;
5717         case SWM_S_BAR_AT_BOTTOM:
5718                 bar_at_bottom = atoi(value);
5719                 break;
5720         case SWM_S_BAR_BORDER_WIDTH:
5721                 bar_border_width = atoi(value);
5722                 if (bar_border_width < 0)
5723                         bar_border_width = 0;
5724                 break;
5725         case SWM_S_BAR_DELAY:
5726                 bar_delay = atoi(value);
5727                 break;
5728         case SWM_S_BAR_ENABLED:
5729                 bar_enabled = atoi(value);
5730                 break;
5731         case SWM_S_BAR_FONT:
5732                 b = bar_fonts;
5733                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5734                         err(1, "setconfvalue: asprintf: failed to allocate "
5735                                 "memory for bar_fonts.");
5736
5737                 free(b);
5738                 break;
5739         case SWM_S_BAR_FORMAT:
5740                 free(bar_format);
5741                 if ((bar_format = strdup(value)) == NULL)
5742                         err(1, "setconfvalue: bar_format");
5743                 break;
5744         case SWM_S_BAR_JUSTIFY:
5745                 if (!strcmp(value, "left"))
5746                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5747                 else if (!strcmp(value, "center"))
5748                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5749                 else if (!strcmp(value, "right"))
5750                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5751                 else
5752                         errx(1, "invalid bar_justify");
5753                 break;
5754         case SWM_S_BORDER_WIDTH:
5755                 border_width = atoi(value);
5756                 if (border_width < 0)
5757                         border_width = 0;
5758                 break;
5759         case SWM_S_CLOCK_ENABLED:
5760                 clock_enabled = atoi(value);
5761                 break;
5762         case SWM_S_CLOCK_FORMAT:
5763 #ifndef SWM_DENY_CLOCK_FORMAT
5764                 free(clock_format);
5765                 if ((clock_format = strdup(value)) == NULL)
5766                         err(1, "setconfvalue: clock_format");
5767 #endif
5768                 break;
5769         case SWM_S_CYCLE_EMPTY:
5770                 cycle_empty = atoi(value);
5771                 break;
5772         case SWM_S_CYCLE_VISIBLE:
5773                 cycle_visible = atoi(value);
5774                 break;
5775         case SWM_S_DIALOG_RATIO:
5776                 dialog_ratio = atof(value);
5777                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5778                         dialog_ratio = .6;
5779                 break;
5780         case SWM_S_DISABLE_BORDER:
5781                 disable_border = atoi(value);
5782                 break;
5783         case SWM_S_FOCUS_CLOSE:
5784                 if (!strcmp(value, "first"))
5785                         focus_close = SWM_STACK_BOTTOM;
5786                 else if (!strcmp(value, "last"))
5787                         focus_close = SWM_STACK_TOP;
5788                 else if (!strcmp(value, "next"))
5789                         focus_close = SWM_STACK_ABOVE;
5790                 else if (!strcmp(value, "previous"))
5791                         focus_close = SWM_STACK_BELOW;
5792                 else
5793                         errx(1, "focus_close");
5794                 break;
5795         case SWM_S_FOCUS_CLOSE_WRAP:
5796                 focus_close_wrap = atoi(value);
5797                 break;
5798         case SWM_S_FOCUS_DEFAULT:
5799                 if (!strcmp(value, "last"))
5800                         focus_default = SWM_STACK_TOP;
5801                 else if (!strcmp(value, "first"))
5802                         focus_default = SWM_STACK_BOTTOM;
5803                 else
5804                         errx(1, "focus_default");
5805                 break;
5806         case SWM_S_FOCUS_MODE:
5807                 if (!strcmp(value, "default"))
5808                         focus_mode = SWM_FOCUS_DEFAULT;
5809                 else if (!strcmp(value, "follow_cursor"))
5810                         focus_mode = SWM_FOCUS_FOLLOW;
5811                 else if (!strcmp(value, "synergy"))
5812                         focus_mode = SWM_FOCUS_SYNERGY;
5813                 else
5814                         errx(1, "focus_mode");
5815                 break;
5816         case SWM_S_SPAWN_ORDER:
5817                 if (!strcmp(value, "first"))
5818                         spawn_position = SWM_STACK_BOTTOM;
5819                 else if (!strcmp(value, "last"))
5820                         spawn_position = SWM_STACK_TOP;
5821                 else if (!strcmp(value, "next"))
5822                         spawn_position = SWM_STACK_ABOVE;
5823                 else if (!strcmp(value, "previous"))
5824                         spawn_position = SWM_STACK_BELOW;
5825                 else
5826                         errx(1, "spawn_position");
5827                 break;
5828         case SWM_S_SPAWN_TERM:
5829                 setconfspawn("term", value, 0);
5830                 setconfspawn("spawn_term", value, 0);
5831                 break;
5832         case SWM_S_SS_APP:
5833                 break;
5834         case SWM_S_SS_ENABLED:
5835                 ss_enabled = atoi(value);
5836                 break;
5837         case SWM_S_STACK_ENABLED:
5838                 stack_enabled = atoi(value);
5839                 break;
5840         case SWM_S_TERM_WIDTH:
5841                 term_width = atoi(value);
5842                 if (term_width < 0)
5843                         term_width = 0;
5844                 break;
5845         case SWM_S_TITLE_CLASS_ENABLED:
5846                 title_class_enabled = atoi(value);
5847                 break;
5848         case SWM_S_TITLE_NAME_ENABLED:
5849                 title_name_enabled = atoi(value);
5850                 break;
5851         case SWM_S_URGENT_ENABLED:
5852                 urgent_enabled = atoi(value);
5853                 break;
5854         case SWM_S_VERBOSE_LAYOUT:
5855                 verbose_layout = atoi(value);
5856                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5857                         if (verbose_layout)
5858                                 layouts[i].l_string = fancy_stacker;
5859                         else
5860                                 layouts[i].l_string = plain_stacker;
5861                 }
5862                 break;
5863         case SWM_S_WINDOW_NAME_ENABLED:
5864                 window_name_enabled = atoi(value);
5865                 break;
5866         case SWM_S_WORKSPACE_LIMIT:
5867                 workspace_limit = atoi(value);
5868                 if (workspace_limit > SWM_WS_MAX)
5869                         workspace_limit = SWM_WS_MAX;
5870                 else if (workspace_limit < 1)
5871                         workspace_limit = 1;
5872                 break;
5873         default:
5874                 return (1);
5875         }
5876         return (0);
5877 }
5878
5879 int
5880 setconfmodkey(char *selector, char *value, int flags)
5881 {
5882         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5883                 update_modkey(Mod1Mask);
5884         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5885                 update_modkey(Mod2Mask);
5886         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5887                 update_modkey(Mod3Mask);
5888         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5889                 update_modkey(Mod4Mask);
5890         else
5891                 return (1);
5892         return (0);
5893 }
5894
5895 int
5896 setconfcolor(char *selector, char *value, int flags)
5897 {
5898         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5899         return (0);
5900 }
5901
5902 int
5903 setconfregion(char *selector, char *value, int flags)
5904 {
5905         custom_region(value);
5906         return (0);
5907 }
5908
5909 int
5910 setautorun(char *selector, char *value, int flags)
5911 {
5912         int                     ws_id;
5913         char                    s[1024];
5914         char                    *ap, *sp = s;
5915         union arg               a;
5916         int                     argc = 0;
5917         long                    pid;
5918         struct pid_e            *p;
5919
5920         if (getenv("SWM_STARTED"))
5921                 return (0);
5922
5923         bzero(s, sizeof s);
5924         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5925                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5926         ws_id--;
5927         if (ws_id < 0 || ws_id >= workspace_limit)
5928                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5929
5930         /*
5931          * This is a little intricate
5932          *
5933          * If the pid already exists we simply reuse it because it means it was
5934          * used before AND not claimed by manage_window.  We get away with
5935          * altering it in the parent after INSERT because this can not be a race
5936          */
5937         a.argv = NULL;
5938         while ((ap = strsep(&sp, " \t")) != NULL) {
5939                 if (*ap == '\0')
5940                         continue;
5941                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5942                 argc++;
5943                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5944                         err(1, "setautorun: realloc");
5945                 a.argv[argc - 1] = ap;
5946         }
5947
5948         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5949                 err(1, "setautorun: realloc");
5950         a.argv[argc] = NULL;
5951
5952         if ((pid = fork()) == 0) {
5953                 spawn(ws_id, &a, 1);
5954                 /* NOTREACHED */
5955                 _exit(1);
5956         }
5957         free(a.argv);
5958
5959         /* parent */
5960         p = find_pid(pid);
5961         if (p == NULL) {
5962                 p = calloc(1, sizeof *p);
5963                 if (p == NULL)
5964                         return (1);
5965                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5966         }
5967
5968         p->pid = pid;
5969         p->ws = ws_id;
5970
5971         return (0);
5972 }
5973
5974 int
5975 setlayout(char *selector, char *value, int flags)
5976 {
5977         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5978         int                     st = SWM_V_STACK, num_screens;
5979         char                    s[1024];
5980         struct workspace        *ws;
5981
5982         if (getenv("SWM_STARTED"))
5983                 return (0);
5984
5985         bzero(s, sizeof s);
5986         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5987             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5988                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5989                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5990                     "<type>'");
5991         ws_id--;
5992         if (ws_id < 0 || ws_id >= workspace_limit)
5993                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5994
5995         if (!strcasecmp(s, "vertical"))
5996                 st = SWM_V_STACK;
5997         else if (!strcasecmp(s, "vertical_flip")) {
5998                 st = SWM_V_STACK;
5999                 f = 1;
6000         } else if (!strcasecmp(s, "horizontal"))
6001                 st = SWM_H_STACK;
6002         else if (!strcasecmp(s, "horizontal_flip")) {
6003                 st = SWM_H_STACK;
6004                 f = 1;
6005         } else if (!strcasecmp(s, "fullscreen"))
6006                 st = SWM_MAX_STACK;
6007         else
6008                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6009                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6010                     "<type>'");
6011
6012         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6013         for (i = 0; i < num_screens; i++) {
6014                 ws = (struct workspace *)&screens[i].ws;
6015                 ws[ws_id].cur_layout = &layouts[st];
6016
6017                 ws[ws_id].always_raise = raise;
6018                 if (st == SWM_MAX_STACK)
6019                         continue;
6020
6021                 /* master grow */
6022                 for (x = 0; x < abs(mg); x++) {
6023                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6024                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6025                             SWM_ARG_ID_MASTERSHRINK);
6026                         stack();
6027                 }
6028                 /* master add */
6029                 for (x = 0; x < abs(ma); x++) {
6030                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6031                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6032                             SWM_ARG_ID_MASTERDEL);
6033                         stack();
6034                 }
6035                 /* stack inc */
6036                 for (x = 0; x < abs(si); x++) {
6037                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6038                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6039                             SWM_ARG_ID_STACKDEC);
6040                         stack();
6041                 }
6042                 /* Apply flip */
6043                 if (f) {
6044                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6045                             SWM_ARG_ID_FLIPLAYOUT);
6046                         stack();
6047                 }
6048         }
6049
6050         return (0);
6051 }
6052
6053 /* config options */
6054 struct config_option {
6055         char                    *optname;
6056         int                     (*func)(char*, char*, int);
6057         int                     funcflags;
6058 };
6059 struct config_option configopt[] = {
6060         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6061         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6062         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6063         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6064         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6065         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6066         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6067         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6068         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6069         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6070         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6071         { "keyboard_mapping",           setkeymapping,  0 },
6072         { "bind",                       setconfbinding, 0 },
6073         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6074         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6075         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6076         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6077         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6078         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6079         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6080         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6081         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6082         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6083         { "modkey",                     setconfmodkey,  0 },
6084         { "program",                    setconfspawn,   0 },
6085         { "quirk",                      setconfquirk,   0 },
6086         { "region",                     setconfregion,  0 },
6087         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6088         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6089         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6090         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6091         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6092         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6093         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6094         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6095         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6096         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6097         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6098         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6099         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6100         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6101         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6102         { "autorun",                    setautorun,     0 },
6103         { "layout",                     setlayout,      0 },
6104 };
6105
6106
6107 int
6108 conf_load(char *filename, int keymapping)
6109 {
6110         FILE                    *config;
6111         char                    *line, *cp, *optsub, *optval;
6112         size_t                  linelen, lineno = 0;
6113         int                     wordlen, i, optind;
6114         struct config_option    *opt;
6115
6116         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6117
6118         if (filename == NULL) {
6119                 warnx("conf_load: no filename");
6120                 return (1);
6121         }
6122         if ((config = fopen(filename, "r")) == NULL) {
6123                 warn("conf_load: fopen: %s", filename);
6124                 return (1);
6125         }
6126
6127         while (!feof(config)) {
6128                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6129                     == NULL) {
6130                         if (ferror(config))
6131                                 err(1, "%s", filename);
6132                         else
6133                                 continue;
6134                 }
6135                 cp = line;
6136                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6137                 if (cp[0] == '\0') {
6138                         /* empty line */
6139                         free(line);
6140                         continue;
6141                 }
6142                 /* get config option */
6143                 wordlen = strcspn(cp, "=[ \t\n");
6144                 if (wordlen == 0) {
6145                         warnx("%s: line %zd: no option found",
6146                             filename, lineno);
6147                         goto out;
6148                 }
6149                 optind = -1;
6150                 for (i = 0; i < LENGTH(configopt); i++) {
6151                         opt = &configopt[i];
6152                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6153                             strlen(opt->optname) == wordlen) {
6154                                 optind = i;
6155                                 break;
6156                         }
6157                 }
6158                 if (optind == -1) {
6159                         warnx("%s: line %zd: unknown option %.*s",
6160                             filename, lineno, wordlen, cp);
6161                         goto out;
6162                 }
6163                 if (keymapping && strcmp(opt->optname, "bind")) {
6164                         warnx("%s: line %zd: invalid option %.*s",
6165                             filename, lineno, wordlen, cp);
6166                         goto out;
6167                 }
6168                 cp += wordlen;
6169                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6170                 /* get [selector] if any */
6171                 optsub = NULL;
6172                 if (*cp == '[') {
6173                         cp++;
6174                         wordlen = strcspn(cp, "]");
6175                         if (*cp != ']') {
6176                                 if (wordlen == 0) {
6177                                         warnx("%s: line %zd: syntax error",
6178                                             filename, lineno);
6179                                         goto out;
6180                                 }
6181
6182                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6183                                     -1) {
6184                                         warnx("%s: line %zd: unable to allocate"
6185                                             "memory for selector", filename,
6186                                             lineno);
6187                                         goto out;
6188                                 }
6189                         }
6190                         cp += wordlen;
6191                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6192                 }
6193                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6194                 /* get RHS value */
6195                 optval = strdup(cp);
6196                 /* call function to deal with it all */
6197                 if (configopt[optind].func(optsub, optval,
6198                     configopt[optind].funcflags) != 0)
6199                         errx(1, "%s: line %zd: invalid data for %s",
6200                             filename, lineno, configopt[optind].optname);
6201                 free(optval);
6202                 free(optsub);
6203                 free(line);
6204         }
6205
6206         fclose(config);
6207         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6208
6209         return (0);
6210
6211 out:
6212         free(line);
6213         fclose(config);
6214         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6215
6216         return (1);
6217 }
6218
6219 void
6220 set_child_transient(struct ws_win *win, Window *trans)
6221 {
6222         struct ws_win           *parent, *w;
6223         XWMHints                *wmh = NULL;
6224         struct swm_region       *r;
6225         struct workspace        *ws;
6226
6227         parent = find_window(win->transient);
6228         if (parent)
6229                 parent->child_trans = win;
6230         else {
6231                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6232                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
6233
6234                 if (win->hints == NULL) {
6235                         warnx("no hints for 0x%x", win->id);
6236                         return;
6237                 }
6238
6239                 r = root_to_region(win->wa.root);
6240                 ws = r->ws;
6241                 /* parent doen't exist in our window list */
6242                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6243                         if (wmh)
6244                                 XFree(wmh);
6245
6246                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
6247                                 warnx("can't get hints for 0x%x", w->id);
6248                                 continue;
6249                         }
6250
6251                         if (win->hints->window_group != wmh->window_group)
6252                                 continue;
6253
6254                         w->child_trans = win;
6255                         win->transient = w->id;
6256                         *trans = w->id;
6257                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
6258                             "transient to 0x%x\n", win->transient);
6259                         break;
6260                 }
6261         }
6262
6263         if (wmh)
6264                 XFree(wmh);
6265 }
6266
6267 long
6268 window_get_pid(xcb_window_t win)
6269 {
6270         long                            ret = 0;
6271         const char                      *errstr;
6272         xcb_atom_t                      apid;
6273         xcb_get_property_cookie_t       pc;
6274         xcb_get_property_reply_t        *pr;
6275
6276         apid = get_atom_from_string("_NET_WM_PID");
6277         if (apid == XCB_ATOM_NONE)
6278                 goto tryharder;
6279
6280         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6281         pr = xcb_get_property_reply(conn, pc, NULL);
6282         if (!pr)
6283                 goto tryharder;
6284         if (pr->type != XCB_ATOM_CARDINAL)
6285                 goto tryharder;
6286
6287         ret = *(long *)xcb_get_property_value(pr);
6288         free(pr);
6289
6290         return (ret);
6291
6292 tryharder:
6293         apid = get_atom_from_string("_SWM_PID");
6294         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6295                 0, SWM_PROPLEN);
6296         pr = xcb_get_property_reply(conn, pc, NULL);
6297         if (!pr)
6298                 return (0);
6299         if (pr->type != XCB_ATOM_STRING)
6300                 free(pr);
6301                 return (0);
6302         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6303         free(pr);
6304
6305         return (ret);
6306 }
6307
6308 struct ws_win *
6309 manage_window(xcb_window_t id)
6310 {
6311         Window                  trans = 0;
6312         struct workspace        *ws;
6313         struct ws_win           *win, *ww;
6314         int                     format, i, ws_idx, n, border_me = 0;
6315         unsigned long           nitems, bytes;
6316         Atom                    ws_idx_atom = 0, type;
6317         Atom                    *prot = NULL, *pp;
6318         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6319         struct swm_region       *r;
6320         const char              *errstr;
6321         struct pid_e            *p;
6322         struct quirk            *qp;
6323         uint32_t                event_mask;
6324
6325         if ((win = find_window(id)) != NULL)
6326                 return (win);   /* already being managed */
6327
6328         /* see if we are on the unmanaged list */
6329         if ((win = find_unmanaged_window(id)) != NULL) {
6330                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6331                     "window: 0x%lx\n", win->id);
6332                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6333                 if (win->transient)
6334                         set_child_transient(win, &trans);
6335
6336                 if (trans && (ww = find_window(trans)))
6337                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6338                 else if ((ww = win->ws->focus) &&
6339                     spawn_position == SWM_STACK_ABOVE)
6340                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6341                             win, entry);
6342                 else if (ww && spawn_position == SWM_STACK_BELOW)
6343                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6344                 else switch (spawn_position) {
6345                 default:
6346                 case SWM_STACK_TOP:
6347                 case SWM_STACK_ABOVE:
6348                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6349                         break;
6350                 case SWM_STACK_BOTTOM:
6351                 case SWM_STACK_BELOW:
6352                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6353                 }
6354
6355                 ewmh_update_actions(win);
6356                 return (win);
6357         }
6358
6359         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6360                 err(1, "manage_window: calloc: failed to allocate memory for "
6361                     "new window");
6362
6363         win->id = id;
6364         win->bordered = 0;
6365
6366         /* see if we need to override the workspace */
6367         p = find_pid(window_get_pid(id));
6368
6369         /* Get all the window data in one shot */
6370         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6371         if (ws_idx_atom) {
6372                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6373                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6374         }
6375         XGetWindowAttributes(display, id, &win->wa);
6376         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6377         win->hints = XGetWMHints(display, id);
6378         XGetTransientForHint(display, id, &trans);
6379         if (trans) {
6380                 win->transient = trans;
6381                 set_child_transient(win, &trans);
6382                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
6383                     "transient: 0x%lx\n", win->id, win->transient);
6384         }
6385
6386         /* get supported protocols */
6387         if (XGetWMProtocols(display, id, &prot, &n)) {
6388                 for (i = 0, pp = prot; i < n; i++, pp++) {
6389                         if (*pp == takefocus)
6390                                 win->take_focus = 1;
6391                         if (*pp == adelete)
6392                                 win->can_delete = 1;
6393                 }
6394                 if (prot)
6395                         XFree(prot);
6396         }
6397
6398         win->iconic = get_iconic(win);
6399
6400         /*
6401          * Figure out where to put the window. If it was previously assigned to
6402          * a workspace (either by spawn() or manually moving), and isn't
6403          * transient, * put it in the same workspace
6404          */
6405         r = root_to_region(win->wa.root);
6406         if (p) {
6407                 ws = &r->s->ws[p->ws];
6408                 TAILQ_REMOVE(&pidlist, p, entry);
6409                 free(p);
6410                 p = NULL;
6411         } else if (prop && win->transient == 0) {
6412                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6413                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6414                     &errstr);
6415                 if (errstr) {
6416                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6417                             errstr, prop);
6418                 }
6419                 ws = &r->s->ws[ws_idx];
6420         } else {
6421                 ws = r->ws;
6422                 /* this should launch transients in the same ws as parent */
6423                 if (id && trans)
6424                         if ((ww = find_window(trans)) != NULL)
6425                                 if (ws->r) {
6426                                         ws = ww->ws;
6427                                         if (ww->ws->r)
6428                                                 r = ww->ws->r;
6429                                         else
6430                                                 warnx("manage_window: fix this "
6431                                                     "bug mcbride");
6432                                         border_me = 1;
6433                                 }
6434         }
6435
6436         /* set up the window layout */
6437         win->id = id;
6438         win->ws = ws;
6439         win->s = r->s;  /* this never changes */
6440         if (trans && (ww = find_window(trans)))
6441                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6442         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6443                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6444                     entry);
6445         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6446                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6447         else switch (spawn_position) {
6448         default:
6449         case SWM_STACK_TOP:
6450         case SWM_STACK_ABOVE:
6451                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6452                 break;
6453         case SWM_STACK_BOTTOM:
6454         case SWM_STACK_BELOW:
6455                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6456         }
6457
6458         /* ignore window border if there is one. */
6459         WIDTH(win) = win->wa.width;
6460         HEIGHT(win) = win->wa.height;
6461         X(win) = win->wa.x + win->wa.border_width;
6462         Y(win) = win->wa.y + win->wa.border_width;
6463         win->bordered = 0;
6464         win->g_floatvalid = 0;
6465         win->floatmaxed = 0;
6466         win->ewmh_flags = 0;
6467
6468         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, (x,y) w x h: "
6469             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6470             HEIGHT(win), ws->idx);
6471
6472         constrain_window(win, r, 0);
6473
6474         /* Set window properties so we can remember this after reincarnation */
6475         if (ws_idx_atom && prop == NULL &&
6476             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6477                 SWM_PROPLEN) {
6478                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6479                     ws_idx_str);
6480                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6481                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6482         }
6483         if (prop)
6484                 XFree(prop);
6485
6486         ewmh_autoquirk(win);
6487
6488         if (XGetClassHint(display, win->id, &win->ch)) {
6489                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6490                     win->ch.res_class, win->ch.res_name);
6491
6492                 /* java is retarded so treat it special */
6493                 if (strstr(win->ch.res_name, "sun-awt")) {
6494                         win->java = 1;
6495                         border_me = 1;
6496                 }
6497
6498                 TAILQ_FOREACH(qp, &quirks, entry) {
6499                         if (!strcmp(win->ch.res_class, qp->class) &&
6500                             !strcmp(win->ch.res_name, qp->name)) {
6501                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6502                                     "class: %s, name: %s\n", win->ch.res_class,
6503                                     win->ch.res_name);
6504                                 if (qp->quirk & SWM_Q_FLOAT) {
6505                                         win->floating = 1;
6506                                         border_me = 1;
6507                                 }
6508                                 win->quirks = qp->quirk;
6509                         }
6510                 }
6511         }
6512
6513         /* alter window position if quirky */
6514         if (win->quirks & SWM_Q_ANYWHERE) {
6515                 win->manual = 1; /* don't center the quirky windows */
6516                 if (bar_enabled && Y(win) < bar_height)
6517                         Y(win) = bar_height;
6518                 if (WIDTH(win) + X(win) > WIDTH(r))
6519                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6520                 border_me = 1;
6521         }
6522
6523         /* Reset font sizes (the bruteforce way; no default keybinding). */
6524         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6525                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6526                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6527                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6528                         fake_keypress(win, XK_KP_Add, ShiftMask);
6529         }
6530
6531         ewmh_get_win_state(win);
6532         ewmh_update_actions(win);
6533         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6534
6535         /* border me */
6536         if (border_me) {
6537                 win->bordered = 1;
6538                 X(win) -= border_width;
6539                 Y(win) -= border_width;
6540                 update_window(win);
6541         }
6542
6543         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6544                         XCB_EVENT_MASK_PROPERTY_CHANGE |
6545                         XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6546
6547         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6548
6549         /* floaters need to be mapped if they are in the current workspace */
6550         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6551                 map_window_raised(win->id);
6552
6553         return (win);
6554 }
6555
6556 void
6557 free_window(struct ws_win *win)
6558 {
6559         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
6560
6561         if (win == NULL)
6562                 return;
6563
6564         /* needed for restart wm */
6565         set_win_state(win, XCB_WM_STATE_WITHDRAWN);
6566
6567         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6568
6569         if (win->ch.res_class)
6570                 XFree(win->ch.res_class);
6571         if (win->ch.res_name)
6572                 XFree(win->ch.res_name);
6573
6574         kill_refs(win);
6575
6576         /* paint memory */
6577         memset(win, 0xff, sizeof *win); /* XXX kill later */
6578
6579         free(win);
6580 }
6581
6582 void
6583 unmanage_window(struct ws_win *win)
6584 {
6585         struct ws_win           *parent;
6586         xcb_screen_t            *screen;
6587
6588         if (win == NULL)
6589                 return;
6590
6591         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
6592
6593         if (win->transient) {
6594                 parent = find_window(win->transient);
6595                 if (parent)
6596                         parent->child_trans = NULL;
6597         }
6598
6599         /* focus on root just in case */
6600         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6601         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6602                 screen->root, XCB_CURRENT_TIME);
6603
6604         focus_prev(win);
6605
6606         if (win->hints) {
6607                 XFree(win->hints);
6608                 win->hints = NULL;
6609         }
6610
6611         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6612         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6613 }
6614
6615 void
6616 focus_magic(struct ws_win *win)
6617 {
6618         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6619
6620         if (win == NULL) {
6621                 /* if there are no windows clear the status-bar */
6622                 bar_update();
6623                 return;
6624         }
6625
6626         if (win->child_trans) {
6627                 /* win = parent & has a transient so focus on that */
6628                 if (win->java) {
6629                         focus_win(win->child_trans);
6630                         if (win->child_trans->take_focus)
6631                                 client_msg(win, takefocus);
6632                 } else {
6633                         /* make sure transient hasn't disappeared */
6634                         if (validate_win(win->child_trans) == 0) {
6635                                 focus_win(win->child_trans);
6636                                 if (win->child_trans->take_focus)
6637                                         client_msg(win->child_trans, takefocus);
6638                         } else {
6639                                 win->child_trans = NULL;
6640                                 focus_win(win);
6641                                 if (win->take_focus)
6642                                         client_msg(win, takefocus);
6643                         }
6644                 }
6645         } else {
6646                 /* regular focus */
6647                 focus_win(win);
6648                 if (win->take_focus)
6649                         client_msg(win, takefocus);
6650         }
6651 }
6652
6653 void
6654 expose(XEvent *e)
6655 {
6656         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6657 }
6658
6659 void
6660 keypress(XEvent *e)
6661 {
6662         KeySym                  keysym;
6663         XKeyEvent               *ev = &e->xkey;
6664         struct key              *kp;
6665         struct swm_region       *r;
6666
6667         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6668         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6669                 return;
6670         if (keyfuncs[kp->funcid].func == NULL)
6671                 return;
6672
6673         r = root_to_region(ev->root);
6674         if (kp->funcid == kf_spawn_custom)
6675                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6676         else
6677                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6678 }
6679
6680 void
6681 buttonpress(XEvent *e)
6682 {
6683         struct ws_win           *win;
6684         int                     i, action;
6685         XButtonPressedEvent     *ev = &e->xbutton;
6686
6687         if ((win = find_window(ev->window)) == NULL)
6688                 return;
6689
6690         focus_magic(win);
6691         action = client_click;
6692
6693         for (i = 0; i < LENGTH(buttons); i++)
6694                 if (action == buttons[i].action && buttons[i].func &&
6695                     buttons[i].button == ev->button &&
6696                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6697                         buttons[i].func(win, &buttons[i].args);
6698 }
6699
6700 void
6701 configurerequest(XEvent *e)
6702 {
6703         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6704         struct ws_win           *win;
6705         int                     new = 0;
6706         XWindowChanges          wc;
6707
6708         if ((win = find_window(ev->window)) == NULL)
6709                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6710                         new = 1;
6711
6712         if (new) {
6713                 bzero(&wc, sizeof wc);
6714                 wc.x = ev->x;
6715                 wc.y = ev->y;
6716                 wc.width = ev->width;
6717                 wc.height = ev->height;
6718                 wc.border_width = ev->border_width;
6719                 wc.sibling = ev->above;
6720                 wc.stack_mode = ev->detail;
6721
6722                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6723                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6724                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6725
6726                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6727         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6728             !(win->sh_mask & EWMH_F_FULLSCREEN)) {
6729                 win->g_float.x = ev->x - X(win->ws->r);
6730                 win->g_float.y = ev->y - Y(win->ws->r);
6731                 win->g_float.w = ev->width;
6732                 win->g_float.h = ev->height;
6733                 win->g_floatvalid = 1;
6734
6735                 if (win->floating) {
6736                         win->g = win->g_float;
6737                         win->g.x += X(win->ws->r);
6738                         win->g.y += Y(win->ws->r);
6739                         update_window(win);
6740                 } else {
6741                         config_win(win, ev);
6742                 }
6743         } else {
6744                 config_win(win, ev);
6745         }
6746 }
6747
6748 void
6749 configurenotify(XEvent *e)
6750 {
6751         struct ws_win           *win;
6752
6753         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6754             e->xconfigure.window);
6755
6756         win = find_window(e->xconfigure.window);
6757         if (win) {
6758                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6759                 adjust_font(win);
6760                 if (font_adjusted)
6761                         stack();
6762                 if (focus_mode == SWM_FOCUS_DEFAULT)
6763                         drain_enter_notify();
6764         }
6765 }
6766
6767 void
6768 destroynotify(XEvent *e)
6769 {
6770         struct ws_win           *win;
6771         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6772
6773         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6774
6775         if ((win = find_window(ev->window)) == NULL) {
6776                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6777                         return;
6778                 free_window(win);
6779                 return;
6780         }
6781
6782         /* make sure we focus on something */
6783         win->floating = 0;
6784
6785         unmanage_window(win);
6786         stack();
6787         if (focus_mode == SWM_FOCUS_DEFAULT)
6788                 drain_enter_notify();
6789         free_window(win);
6790 }
6791
6792 void
6793 enternotify(XEvent *e)
6794 {
6795         XCrossingEvent          *ev = &e->xcrossing;
6796         XEvent                  cne;
6797         struct ws_win           *win;
6798 #if 0
6799         struct ws_win           *w;
6800         Window                  focus_return;
6801         int                     revert_to_return;
6802 #endif
6803         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6804             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6805             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6806             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6807
6808         if (ev->mode != NotifyNormal) {
6809                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6810                     "cursor grab.\n");
6811                 return;
6812         }
6813
6814         switch (focus_mode) {
6815         case SWM_FOCUS_DEFAULT:
6816                 break;
6817         case SWM_FOCUS_FOLLOW:
6818                 break;
6819         case SWM_FOCUS_SYNERGY:
6820 #if 0
6821         /*
6822          * all these checks need to be in this order because the
6823          * XCheckTypedWindowEvent relies on weeding out the previous events
6824          *
6825          * making this code an option would enable a follow mouse for focus
6826          * feature
6827          */
6828
6829         /*
6830          * state is set when we are switching workspaces and focus is set when
6831          * the window or a subwindow already has focus (occurs during restart).
6832          *
6833          * Only honor the focus flag if last_focus_event is not FocusOut,
6834          * this allows spectrwm to continue to control focus when another
6835          * program is also playing with it.
6836          */
6837         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6838                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6839                 return;
6840         }
6841
6842         /*
6843          * happens when a window is created or destroyed and the border
6844          * crosses the mouse pointer and when switching ws
6845          *
6846          * we need the subwindow test to see if we came from root in order
6847          * to give focus to floaters
6848          */
6849         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6850             ev->subwindow == 0) {
6851                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6852                 return;
6853         }
6854
6855         /* this window already has focus */
6856         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6857                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6858                 return;
6859         }
6860
6861         /* this window is being deleted or moved to another ws */
6862         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6863             &cne) == True) {
6864                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6865                 XPutBackEvent(display, &cne);
6866                 return;
6867         }
6868
6869         if ((win = find_window(ev->window)) == NULL) {
6870                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6871                 return;
6872         }
6873
6874         /*
6875          * In fullstack kill all enters unless they come from a different ws
6876          * (i.e. another region) or focus has been grabbed externally.
6877          */
6878         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6879             last_focus_event != FocusOut) {
6880                 XGetInputFocus(display, &focus_return, &revert_to_return);
6881                 if ((w = find_window(focus_return)) == NULL ||
6882                     w->ws == win->ws) {
6883                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6884                         return;
6885                 }
6886         }
6887 #endif
6888                 break;
6889         }
6890
6891         if ((win = find_window(ev->window)) == NULL) {
6892                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6893                 return;
6894         }
6895
6896         /*
6897          * if we have more enternotifies let them handle it in due time
6898          */
6899         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6900                 DNPRINTF(SWM_D_EVENT,
6901                     "ignoring enternotify: got more enternotify\n");
6902                 XPutBackEvent(display, &cne);
6903                 return;
6904         }
6905
6906         focus_magic(win);
6907 }
6908
6909 /* lets us use one switch statement for arbitrary mode/detail combinations */
6910 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6911
6912 void
6913 focusevent(XEvent *e)
6914 {
6915 #if 0
6916         struct ws_win           *win;
6917         u_int32_t               mode_detail;
6918         XFocusChangeEvent       *ev = &e->xfocus;
6919
6920         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6921             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6922             ev->window, ev->mode, ev->detail);
6923
6924         if (last_focus_event == ev->type) {
6925                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6926                 return;
6927         }
6928
6929         last_focus_event = ev->type;
6930         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6931
6932         switch (mode_detail) {
6933         /* synergy client focus operations */
6934         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6935         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6936
6937         /* synergy server focus operations */
6938         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6939
6940         /* Entering applications like rdesktop that mangle the pointer */
6941         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6942
6943                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6944                         XSetWindowBorder(display, win->id,
6945                             win->ws->r->s->c[ev->type == FocusIn ?
6946                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6947                 break;
6948         default:
6949                 warnx("ignoring focusevent");
6950                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6951                 break;
6952         }
6953 #endif
6954 }
6955
6956 void
6957 mapnotify(XEvent *e)
6958 {
6959         struct ws_win           *win;
6960         XMapEvent               *ev = &e->xmap;
6961
6962         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6963
6964         win = manage_window(ev->window);
6965         if (win)
6966                 set_win_state(win, XCB_WM_STATE_NORMAL);
6967
6968         /*
6969          * focus_win can only set input focus on a mapped window.
6970          * make sure the window really has focus since it is just being mapped.
6971          */
6972         if (win->ws->focus == win)
6973                 focus_win(win);
6974 }
6975
6976 void
6977 mappingnotify(XEvent *e)
6978 {
6979         XMappingEvent           *ev = &e->xmapping;
6980
6981         XRefreshKeyboardMapping(ev);
6982         if (ev->request == MappingKeyboard)
6983                 grabkeys();
6984 }
6985
6986 void
6987 maprequest(XEvent *e)
6988 {
6989         struct ws_win           *win;
6990         struct swm_region       *r;
6991         XWindowAttributes       wa;
6992         XMapRequestEvent        *ev = &e->xmaprequest;
6993
6994         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6995             e->xmaprequest.window);
6996
6997         if (!XGetWindowAttributes(display, ev->window, &wa))
6998                 return;
6999         if (wa.override_redirect)
7000                 return;
7001
7002         win = manage_window(e->xmaprequest.window);
7003         if (win == NULL)
7004                 return; /* can't happen */
7005
7006         stack();
7007
7008         /* make new win focused */
7009         r = root_to_region(win->wa.root);
7010         if (win->ws == r->ws)
7011                 focus_magic(win);
7012 }
7013
7014 void
7015 propertynotify(XEvent *e)
7016 {
7017         struct ws_win           *win;
7018         XPropertyEvent          *ev = &e->xproperty;
7019 #ifdef SWM_DEBUG
7020         char                    *name;
7021         name = XGetAtomName(display, ev->atom);
7022         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
7023             ev->window, name);
7024         XFree(name);
7025 #endif
7026
7027         win = find_window(ev->window);
7028         if (win == NULL)
7029                 return;
7030
7031         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
7032                 update_iconic(win, 0);
7033                 map_window_raised(win->id);
7034                 stack();
7035                 focus_win(win);
7036                 return;
7037         }
7038
7039         switch (ev->atom) {
7040 #if 0
7041         case XA_WM_NORMAL_HINTS:
7042                 long            mask;
7043                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
7044                 warnx("normal hints: flag 0x%x", win->sh.flags);
7045                 if (win->sh.flags & PMinSize) {
7046                         WIDTH(win) = win->sh.min_width;
7047                         HEIGHT(win) = win->sh.min_height;
7048                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7049                 }
7050                 XMoveResizeWindow(display, win->id,
7051                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7052 #endif
7053         case XA_WM_CLASS:
7054         case XA_WM_NAME:
7055                 bar_update();
7056                 break;
7057         default:
7058                 break;
7059         }
7060 }
7061
7062 void
7063 unmapnotify(XEvent *e)
7064 {
7065         struct ws_win           *win;
7066
7067         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7068
7069         /* determine if we need to help unmanage this window */
7070         win = find_window(e->xunmap.window);
7071         if (win == NULL)
7072                 return;
7073
7074         if (getstate(e->xunmap.window) == XCB_WM_STATE_NORMAL) {
7075                 unmanage_window(win);
7076                 stack();
7077
7078                 /* giant hack for apps that don't destroy transient windows */
7079                 /* eat a bunch of events to prevent remanaging the window */
7080                 XEvent                  cne;
7081                 while (XCheckWindowEvent(display, e->xunmap.window,
7082                     EnterWindowMask, &cne))
7083                         ;
7084                 while (XCheckWindowEvent(display, e->xunmap.window,
7085                     StructureNotifyMask, &cne))
7086                         ;
7087                 while (XCheckWindowEvent(display, e->xunmap.window,
7088                     SubstructureNotifyMask, &cne))
7089                         ;
7090                 /* resend unmap because we ated it */
7091                 XUnmapWindow(display, e->xunmap.window);
7092         }
7093
7094         if (focus_mode == SWM_FOCUS_DEFAULT)
7095                 drain_enter_notify();
7096 }
7097
7098 void
7099 visibilitynotify(XEvent *e)
7100 {
7101         int                     i, num_screens;
7102         struct swm_region       *r;
7103
7104         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7105             e->xvisibility.window);
7106
7107         if (e->xvisibility.state == VisibilityUnobscured) {
7108                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7109                 for (i = 0; i < num_screens; i++)
7110                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7111                                 if (e->xvisibility.window == WINID(r->bar))
7112                                         bar_update();
7113         }
7114 }
7115
7116 void
7117 clientmessage(XEvent *e)
7118 {
7119         XClientMessageEvent     *ev;
7120         struct ws_win           *win;
7121
7122         ev = &e->xclient;
7123
7124         win = find_window(ev->window);
7125         if (win == NULL) {
7126                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7127                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7128                             "unmanaged window.\n");
7129                         e->xmaprequest.window = ev->window;
7130                         maprequest(e);
7131                 }
7132                 return;
7133         }
7134
7135         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7136             ev->window, ev->message_type);
7137
7138         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7139                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7140                 focus_win(win);
7141         }
7142         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7143                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7144                 if (win->can_delete)
7145                         client_msg(win, adelete);
7146                 else
7147                         xcb_kill_client(conn, win->id);
7148         }
7149         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7150                 DNPRINTF(SWM_D_EVENT,
7151                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7152                 if (win->floating) {
7153                         if (ev->data.l[0] & (1<<8)) /* x */
7154                                 X(win) = ev->data.l[1];
7155                         if (ev->data.l[0] & (1<<9)) /* y */
7156                                 Y(win) = ev->data.l[2];
7157                         if (ev->data.l[0] & (1<<10)) /* width */
7158                                 WIDTH(win) = ev->data.l[3];
7159                         if (ev->data.l[0] & (1<<11)) /* height */
7160                                 HEIGHT(win) = ev->data.l[4];
7161
7162                         update_window(win);
7163                 }
7164                 else {
7165                         /* TODO: Change stack sizes */
7166                         /* notify no change was made. */
7167                         config_win(win, NULL);
7168                 }
7169         }
7170         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7171                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7172                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7173                 if (ev->data.l[2])
7174                         ewmh_update_win_state(win, ev->data.l[2],
7175                             ev->data.l[0]);
7176
7177                 stack();
7178         }
7179 }
7180
7181 int
7182 xerror_start(Display *d, XErrorEvent *ee)
7183 {
7184         other_wm = 1;
7185         return (-1);
7186 }
7187
7188 int
7189 xerror(Display *d, XErrorEvent *ee)
7190 {
7191         /* warnx("error: %p %p", display, ee); */
7192         return (-1);
7193 }
7194
7195 int
7196 active_wm(void)
7197 {
7198         other_wm = 0;
7199         xerrorxlib = XSetErrorHandler(xerror_start);
7200
7201         /* this causes an error if some other window manager is running */
7202         XSelectInput(display, DefaultRootWindow(display),
7203             SubstructureRedirectMask);
7204         do_sync();
7205         if (other_wm)
7206                 return (1);
7207
7208         XSetErrorHandler(xerror);
7209         do_sync();
7210         return (0);
7211 }
7212
7213 void
7214 new_region(struct swm_screen *s, int x, int y, int w, int h)
7215 {
7216         struct swm_region       *r, *n;
7217         struct workspace        *ws = NULL;
7218         int                     i;
7219
7220         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7221              s->idx, w, h, x, y);
7222
7223         /* remove any conflicting regions */
7224         n = TAILQ_FIRST(&s->rl);
7225         while (n) {
7226                 r = n;
7227                 n = TAILQ_NEXT(r, entry);
7228                 if (X(r) < (x + w) &&
7229                     (X(r) + WIDTH(r)) > x &&
7230                     Y(r) < (y + h) &&
7231                     (Y(r) + HEIGHT(r)) > y) {
7232                         if (r->ws->r != NULL)
7233                                 r->ws->old_r = r->ws->r;
7234                         r->ws->r = NULL;
7235                         bar_cleanup(r);
7236                         TAILQ_REMOVE(&s->rl, r, entry);
7237                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7238                 }
7239         }
7240
7241         /* search old regions for one to reuse */
7242
7243         /* size + location match */
7244         TAILQ_FOREACH(r, &s->orl, entry)
7245                 if (X(r) == x && Y(r) == y &&
7246                     HEIGHT(r) == h && WIDTH(r) == w)
7247                         break;
7248
7249         /* size match */
7250         TAILQ_FOREACH(r, &s->orl, entry)
7251                 if (HEIGHT(r) == h && WIDTH(r) == w)
7252                         break;
7253
7254         if (r != NULL) {
7255                 TAILQ_REMOVE(&s->orl, r, entry);
7256                 /* try to use old region's workspace */
7257                 if (r->ws->r == NULL)
7258                         ws = r->ws;
7259         } else
7260                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7261                         err(1, "new_region: calloc: failed to allocate memory "
7262                             "for screen");
7263
7264         /* if we don't have a workspace already, find one */
7265         if (ws == NULL) {
7266                 for (i = 0; i < workspace_limit; i++)
7267                         if (s->ws[i].r == NULL) {
7268                                 ws = &s->ws[i];
7269                                 break;
7270                         }
7271         }
7272
7273         if (ws == NULL)
7274                 errx(1, "new_region: no free workspaces");
7275
7276         X(r) = x;
7277         Y(r) = y;
7278         WIDTH(r) = w;
7279         HEIGHT(r) = h;
7280         r->s = s;
7281         r->ws = ws;
7282         r->ws_prior = NULL;
7283         ws->r = r;
7284         outputs++;
7285         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7286 }
7287
7288 void
7289 scan_xrandr(int i)
7290 {
7291 #ifdef SWM_XRR_HAS_CRTC
7292         int                     c;
7293         int                     ncrtc = 0;
7294 #endif /* SWM_XRR_HAS_CRTC */
7295         struct swm_region       *r;
7296         int                     num_screens;
7297         xcb_randr_get_screen_resources_cookie_t src;
7298         xcb_randr_get_screen_resources_reply_t  *srr;
7299         xcb_randr_get_crtc_info_cookie_t        cic;
7300         xcb_randr_get_crtc_info_reply_t         *cir;
7301         xcb_randr_crtc_t        *crtc;
7302
7303         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7304         if (i >= num_screens)
7305                 errx(1, "scan_xrandr: invalid screen");
7306
7307         /* remove any old regions */
7308         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7309                 r->ws->old_r = r->ws->r = NULL;
7310                 bar_cleanup(r);
7311                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7312                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7313         }
7314         outputs = 0;
7315
7316         /* map virtual screens onto physical screens */
7317 #ifdef SWM_XRR_HAS_CRTC
7318         if (xrandr_support) {
7319                 src = xcb_randr_get_screen_resources(conn, screens[i].root);
7320                 srr = xcb_randr_get_screen_resources_reply(conn, src, NULL);
7321                 if (srr == NULL)
7322                         new_region(&screens[i], 0, 0,
7323                             DisplayWidth(display, i),
7324                             DisplayHeight(display, i));
7325                 else
7326                         ncrtc = srr->num_crtcs;
7327                 for (c = 0; c < ncrtc; c++) {
7328                         crtc = xcb_randr_get_screen_resources_crtcs(srr);
7329                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7330                                 XCB_CURRENT_TIME);
7331                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7332                         if (cir && cir->num_outputs == 0)
7333                                 continue;
7334
7335                         if (cir == NULL || cir->mode == 0)
7336                                 new_region(&screens[i], 0, 0,
7337                                     DisplayWidth(display, i),
7338                                     DisplayHeight(display, i));
7339                         else
7340                                 new_region(&screens[i],
7341                                     cir->x, cir->y, cir->width, cir->height);
7342                 }
7343                 if (srr)
7344                         free(srr);
7345                 if (cir)
7346                         free(cir);
7347         } else
7348 #endif /* SWM_XRR_HAS_CRTC */
7349         {
7350                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
7351                     DisplayHeight(display, i));
7352         }
7353 }
7354
7355 void
7356 screenchange(XEvent *e)
7357 {
7358         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7359         struct swm_region               *r;
7360         int                             i, num_screens;
7361
7362         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7363
7364         if (!XRRUpdateConfiguration(e))
7365                 return;
7366
7367         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7368         /* silly event doesn't include the screen index */
7369         for (i = 0; i < num_screens; i++)
7370                 if (screens[i].root == xe->root)
7371                         break;
7372         if (i >= num_screens)
7373                 errx(1, "screenchange: screen not found");
7374
7375         /* brute force for now, just re-enumerate the regions */
7376         scan_xrandr(i);
7377
7378         /* add bars to all regions */
7379         for (i = 0; i < num_screens; i++)
7380                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7381                         bar_setup(r);
7382         stack();
7383         if (focus_mode == SWM_FOCUS_DEFAULT)
7384                 drain_enter_notify();
7385 }
7386
7387 void
7388 grab_windows(void)
7389 {
7390         xcb_window_t            *wins   = NULL;
7391         int                     no;
7392         int                     i, j, num_screens;
7393         uint16_t                state, manage;
7394
7395         xcb_query_tree_cookie_t                 qtc;
7396         xcb_query_tree_reply_t                  *qtr;
7397         xcb_get_window_attributes_cookie_t      c;
7398         xcb_get_window_attributes_reply_t       *r;
7399         xcb_get_property_cookie_t               pc;
7400
7401         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7402         for (i = 0; i < num_screens; i++) {
7403                 qtc = xcb_query_tree(conn, screens[i].root);
7404                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7405                 if (!qtr)
7406                         continue;
7407                 wins = xcb_query_tree_children(qtr);
7408                 no = xcb_query_tree_children_length(qtr);
7409                 /* attach windows to a region */
7410                 /* normal windows */
7411                 for (j = 0; j < no; j++) {
7412                         c = xcb_get_window_attributes(conn, wins[j]);
7413                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7414                         if (!r)
7415                                 continue;
7416                         if (r->override_redirect) {
7417                                 free(r);
7418                                 continue;
7419                         }
7420
7421                         pc = xcb_get_wm_transient_for(conn, wins[j]);
7422                         if (xcb_get_wm_transient_for_reply(conn, pc, &wins[j],
7423                                         NULL)) {
7424                                 free(r);
7425                                 continue;
7426                         }
7427
7428                         state = getstate(wins[j]);
7429                         manage = state == XCB_WM_STATE_ICONIC;
7430                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7431                                 manage_window(wins[j]);
7432                         free(r);
7433                 }
7434                 /* transient windows */
7435                 for (j = 0; j < no; j++) {
7436                         c = xcb_get_window_attributes(conn, wins[j]);
7437                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7438                         if (!r)
7439                                 continue;
7440                         if (r->override_redirect) {
7441                                 free(r);
7442                                 continue;
7443                         }
7444                         free(r);
7445
7446                         state = getstate(wins[j]);
7447                         manage = state == XCB_WM_STATE_ICONIC;
7448                         pc = xcb_get_wm_transient_for(conn, wins[j]);
7449                         if (xcb_get_wm_transient_for_reply(conn, pc, &wins[j],
7450                                         NULL) && manage)
7451                                 manage_window(wins[j]);
7452                 }
7453                 free(qtr);
7454         }
7455 }
7456
7457 void
7458 setup_screens(void)
7459 {
7460         int                     i, j, k, num_screens;
7461         struct workspace        *ws;
7462         XGCValues               gcv;
7463         const xcb_query_extension_reply_t *qep;
7464         xcb_randr_query_version_cookie_t        c;
7465         xcb_randr_query_version_reply_t         *r;
7466
7467         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7468         if ((screens = calloc(num_screens,
7469              sizeof(struct swm_screen))) == NULL)
7470                 err(1, "setup_screens: calloc: failed to allocate memory for "
7471                     "screens");
7472
7473         /* initial Xrandr setup */
7474         xrandr_support = False;
7475         c = xcb_randr_query_version(conn, True, True);
7476         r = xcb_randr_query_version_reply(conn, c, NULL);
7477         if (r) {
7478                 if (r->major_version >= 1)
7479                         xrandr_support = True;
7480                 free(r);
7481         }
7482         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7483         xrandr_eventbase = qep->first_event;
7484
7485         /* map physical screens */
7486         for (i = 0; i < num_screens; i++) {
7487                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7488                 screens[i].idx = i;
7489                 TAILQ_INIT(&screens[i].rl);
7490                 TAILQ_INIT(&screens[i].orl);
7491                 screens[i].root = RootWindow(display, i);
7492
7493                 /* set default colors */
7494                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7495                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7496                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7497                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7498                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7499
7500                 /* create graphics context on screen */
7501                 gcv.graphics_exposures = 0;
7502                 screens[i].bar_gc = XCreateGC(display, screens[i].root,
7503                         GCGraphicsExposures, &gcv);
7504
7505                 /* set default cursor */
7506                 XDefineCursor(display, screens[i].root,
7507                     XCreateFontCursor(display, XC_left_ptr));
7508
7509                 /* init all workspaces */
7510                 /* XXX these should be dynamically allocated too */
7511                 for (j = 0; j < SWM_WS_MAX; j++) {
7512                         ws = &screens[i].ws[j];
7513                         ws->idx = j;
7514                         ws->name = NULL;
7515                         ws->focus = NULL;
7516                         ws->r = NULL;
7517                         ws->old_r = NULL;
7518                         TAILQ_INIT(&ws->winlist);
7519                         TAILQ_INIT(&ws->unmanagedlist);
7520
7521                         for (k = 0; layouts[k].l_stack != NULL; k++)
7522                                 if (layouts[k].l_config != NULL)
7523                                         layouts[k].l_config(ws,
7524                                             SWM_ARG_ID_STACKINIT);
7525                         ws->cur_layout = &layouts[0];
7526                         ws->cur_layout->l_string(ws);
7527                 }
7528
7529                 scan_xrandr(i);
7530
7531                 if (xrandr_support)
7532                         xcb_randr_select_input(conn, screens[i].root,
7533                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7534         }
7535 }
7536
7537 void
7538 setup_globals(void)
7539 {
7540         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7541                 err(1, "setup_globals: strdup: failed to allocate memory.");
7542
7543         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7544                 err(1, "setup_globals: strdup: failed to allocate memory.");
7545 }
7546
7547 void
7548 workaround(void)
7549 {
7550         int                     i, num_screens;
7551         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7552         xcb_window_t            root, win;
7553
7554         /* work around sun jdk bugs, code from wmname */
7555         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7556         netwmname = get_atom_from_string("_NET_WM_NAME");
7557         utf8_string = get_atom_from_string("UTF8_STRING");
7558
7559         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7560         for (i = 0; i < num_screens; i++) {
7561                 root = screens[i].root;
7562                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
7563                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
7564                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
7565
7566                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7567                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7568                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7569                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7570                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7571                         netwmcheck, utf8_string, 8, strlen("LG3D"), "LG3D");
7572         }
7573 }
7574
7575 int
7576 main(int argc, char *argv[])
7577 {
7578         struct swm_region       *r, *rr;
7579         struct ws_win           *winfocus = NULL;
7580         struct timeval          tv;
7581         union arg               a;
7582         char                    conf[PATH_MAX], *cfile = NULL;
7583         struct stat             sb;
7584         XEvent                  e;
7585         int                     xfd, i, num_screens;
7586         fd_set                  rd;
7587         struct sigaction        sact;
7588
7589         start_argv = argv;
7590         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7591         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7592             !XSupportsLocale())
7593                 warnx("no locale support");
7594
7595         if (!X_HAVE_UTF8_STRING)
7596                 warnx("no UTF-8 support");
7597
7598         if (!(display = XOpenDisplay(0)))
7599                 errx(1, "can not open display");
7600
7601         if (!(conn = XGetXCBConnection(display)))
7602                 errx(1, "can not get XCB connection");
7603
7604         if (active_wm())
7605                 errx(1, "other wm running");
7606
7607         /* handle some signals */
7608         bzero(&sact, sizeof(sact));
7609         sigemptyset(&sact.sa_mask);
7610         sact.sa_flags = 0;
7611         sact.sa_handler = sighdlr;
7612         sigaction(SIGINT, &sact, NULL);
7613         sigaction(SIGQUIT, &sact, NULL);
7614         sigaction(SIGTERM, &sact, NULL);
7615         sigaction(SIGHUP, &sact, NULL);
7616
7617         sact.sa_handler = sighdlr;
7618         sact.sa_flags = SA_NOCLDSTOP;
7619         sigaction(SIGCHLD, &sact, NULL);
7620
7621         astate = get_atom_from_string("WM_STATE");
7622         aprot = get_atom_from_string("WM_PROTOCOLS");
7623         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7624         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7625         a_wmname = get_atom_from_string("WM_NAME");
7626         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7627         a_utf8_string = get_atom_from_string("UTF8_STRING");
7628         a_string = get_atom_from_string("STRING");
7629         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7630
7631         /* look for local and global conf file */
7632         pwd = getpwuid(getuid());
7633         if (pwd == NULL)
7634                 errx(1, "invalid user: %d", getuid());
7635
7636         setup_globals();
7637         setup_screens();
7638         setup_keys();
7639         setup_quirks();
7640         setup_spawn();
7641
7642         /* load config */
7643         for (i = 0; ; i++) {
7644                 conf[0] = '\0';
7645                 switch (i) {
7646                 case 0:
7647                         /* ~ */
7648                         snprintf(conf, sizeof conf, "%s/.%s",
7649                             pwd->pw_dir, SWM_CONF_FILE);
7650                         break;
7651                 case 1:
7652                         /* global */
7653                         snprintf(conf, sizeof conf, "/etc/%s",
7654                             SWM_CONF_FILE);
7655                         break;
7656                 case 2:
7657                         /* ~ compat */
7658                         snprintf(conf, sizeof conf, "%s/.%s",
7659                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7660                         break;
7661                 case 3:
7662                         /* global compat */
7663                         snprintf(conf, sizeof conf, "/etc/%s",
7664                             SWM_CONF_FILE_OLD);
7665                         break;
7666                 default:
7667                         goto noconfig;
7668                 }
7669
7670                 if (strlen(conf) && stat(conf, &sb) != -1)
7671                         if (S_ISREG(sb.st_mode)) {
7672                                 cfile = conf;
7673                                 break;
7674                         }
7675         }
7676 noconfig:
7677
7678         /* load conf (if any) */
7679         if (cfile)
7680                 conf_load(cfile, SWM_CONF_DEFAULT);
7681
7682         setup_ewmh();
7683         /* set some values to work around bad programs */
7684         workaround();
7685         /* grab existing windows (before we build the bars) */
7686         grab_windows();
7687
7688         if (getenv("SWM_STARTED") == NULL)
7689                 setenv("SWM_STARTED", "YES", 1);
7690
7691         /* setup all bars */
7692         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7693         for (i = 0; i < num_screens; i++)
7694                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7695                         if (winfocus == NULL)
7696                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7697                         bar_setup(r);
7698                 }
7699
7700         unfocus_all();
7701
7702         grabkeys();
7703         stack();
7704         if (focus_mode == SWM_FOCUS_DEFAULT)
7705                 drain_enter_notify();
7706
7707         xfd = xcb_get_file_descriptor(conn);
7708         while (running) {
7709                 while (XPending(display)) {
7710                         XNextEvent(display, &e);
7711                         if (running == 0)
7712                                 goto done;
7713                         if (e.type < LASTEvent) {
7714                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7715                                     "window: 0x%lx, type: %s (%d), %d remaining"
7716                                     "\n", YESNO(handler[e.type]),
7717                                     e.xany.window, geteventname(&e),
7718                                     e.type, QLength(display));
7719
7720                                 if (handler[e.type])
7721                                         handler[e.type](&e);
7722                         } else {
7723                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7724                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7725                                     xrandr_geteventname(&e), e.type);
7726
7727                                 switch (e.type - xrandr_eventbase) {
7728                                 case XCB_RANDR_SCREEN_CHANGE_NOTIFY:
7729                                         screenchange(&e);
7730                                         break;
7731                                 default:
7732                                         break;
7733                                 }
7734                         }
7735                 }
7736
7737                 /* if we are being restarted go focus on first window */
7738                 if (winfocus) {
7739                         rr = winfocus->ws->r;
7740                         if (rr == NULL) {
7741                                 /* not a visible window */
7742                                 winfocus = NULL;
7743                                 continue;
7744                         }
7745                         /* move pointer to first screen if multi screen */
7746                         if (num_screens > 1 || outputs > 1)
7747                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7748                                         rr->s[0].root, 0, 0, 0, 0, X(rr),
7749                                         Y(rr) + (bar_enabled ? bar_height : 0));
7750
7751                         a.id = SWM_ARG_ID_FOCUSCUR;
7752                         focus(rr, &a);
7753                         winfocus = NULL;
7754                         continue;
7755                 }
7756
7757                 FD_ZERO(&rd);
7758                 FD_SET(xfd, &rd);
7759                 tv.tv_sec = 1;
7760                 tv.tv_usec = 0;
7761                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7762                         if (errno != EINTR)
7763                                 DNPRINTF(SWM_D_MISC, "select failed");
7764                 if (restart_wm == 1)
7765                         restart(NULL, NULL);
7766                 if (search_resp == 1)
7767                         search_do_resp();
7768                 if (running == 0)
7769                         goto done;
7770                 if (bar_alarm) {
7771                         bar_alarm = 0;
7772                         bar_update();
7773                 }
7774         }
7775 done:
7776         teardown_ewmh();
7777         bar_extra_stop();
7778
7779         for (i = 0; i < num_screens; ++i)
7780                 if (screens[i].bar_gc != NULL)
7781                         XFreeGC(display, screens[i].bar_gc);
7782         XFreeFontSet(display, bar_fs);
7783         xcb_disconnect(conn);
7784         XCloseDisplay(display);
7785
7786         return (0);
7787 }