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_atom.h>
  96 #include <xcb/xcb_icccm.h>
  97 #include <xcb/xcb_keysyms.h>
  98 #include <X11/Xproto.h>
  99 #include <X11/Xutil.h>
 100 #include <X11/extensions/Xrandr.h>
 101 #include <X11/extensions/XTest.h>
 102
 103 #ifdef __OSX__
 104 #include <osx.h>
 105 #endif
 106
 107 #include "version.h"
 108
 109 #ifdef SPECTRWM_BUILDSTR
 110 static const char       *buildstr = SPECTRWM_BUILDSTR;
 111 #else
 112 static const char       *buildstr = SPECTRWM_VERSION;
 113 #endif
 114
 115 #if RANDR_MAJOR < 1
 116 #  error XRandR versions less than 1.0 are not supported
 117 #endif
 118
 119 #if RANDR_MAJOR >= 1
 120 #if RANDR_MINOR >= 2
 121 #define SWM_XRR_HAS_CRTC
 122 #endif
 123 #endif
 124
 125 #if defined(__OpenBSD__)
 126 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 127 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 128 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 129 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 130 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 131 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 132 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 133 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 134 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 135 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 136 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 137 #endif
 138
 139 /*#define SWM_DEBUG*/
 140 #ifdef SWM_DEBUG
 141 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 142 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 143 #define SWM_D_MISC              0x0001
 144 #define SWM_D_EVENT             0x0002
 145 #define SWM_D_WS                0x0004
 146 #define SWM_D_FOCUS             0x0008
 147 #define SWM_D_MOVE              0x0010
 148 #define SWM_D_STACK             0x0020
 149 #define SWM_D_MOUSE             0x0040
 150 #define SWM_D_PROP              0x0080
 151 #define SWM_D_CLASS             0x0100
 152 #define SWM_D_KEY               0x0200
 153 #define SWM_D_QUIRK             0x0400
 154 #define SWM_D_SPAWN             0x0800
 155 #define SWM_D_EVENTQ            0x1000
 156 #define SWM_D_CONF              0x2000
 157 #define SWM_D_BAR               0x4000
 158
 159 u_int32_t               swm_debug = 0
 160                             | SWM_D_MISC
 161                             | SWM_D_EVENT
 162                             | SWM_D_WS
 163                             | SWM_D_FOCUS
 164                             | SWM_D_MOVE
 165                             | SWM_D_STACK
 166                             | SWM_D_MOUSE
 167                             | SWM_D_PROP
 168                             | SWM_D_CLASS
 169                             | SWM_D_KEY
 170                             | SWM_D_QUIRK
 171                             | SWM_D_SPAWN
 172                             | SWM_D_EVENTQ
 173                             | SWM_D_CONF
 174                             | SWM_D_BAR
 175                             ;
 176 #else
 177 #define DPRINTF(x...)
 178 #define DNPRINTF(n,x...)
 179 #endif
 180
 181 #define LENGTH(x)               (sizeof x / sizeof x[0])
 182 #define MODKEY                  Mod1Mask
 183 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 184 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 185 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 186 #define SWM_PROPLEN             (16)
 187 #define SWM_FUNCNAME_LEN        (32)
 188 #define SWM_KEYS_LEN            (255)
 189 #define SWM_QUIRK_LEN           (64)
 190 #define X(r)                    (r)->g.x
 191 #define Y(r)                    (r)->g.y
 192 #define WIDTH(r)                (r)->g.w
 193 #define HEIGHT(r)               (r)->g.h
 194 #define BORDER(w)               (w->bordered ? border_width : 0)
 195 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 196 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 197 #define SH_MIN(w)               (w)->sh.flags & XCB_SIZE_HINT_P_MIN_SIZE
 198 #define SH_MIN_W(w)             (w)->sh.min_width
 199 #define SH_MIN_H(w)             (w)->sh.min_height
 200 #define SH_MAX(w)               (w)->sh.flags & XCB_SIZE_HINT_P_MAX_SIZE
 201 #define SH_MAX_W(w)             (w)->sh.max_width
 202 #define SH_MAX_H(w)             (w)->sh.max_height
 203 #define SH_INC(w)               (w)->sh.flags & XCB_SIZE_HINT_P_RESIZE_INC
 204 #define SH_INC_W(w)             (w)->sh.width_inc
 205 #define SH_INC_H(w)             (w)->sh.height_inc
 206 #define SWM_MAX_FONT_STEPS      (3)
 207 #define WINID(w)                ((w) ? (w)->id : 0)
 208 #define YESNO(x)                ((x) ? "yes" : "no")
 209
 210 #define SWM_FOCUS_DEFAULT       (0)
 211 #define SWM_FOCUS_SYNERGY       (1)
 212 #define SWM_FOCUS_FOLLOW        (2)
 213
 214 #define SWM_CONF_DEFAULT        (0)
 215 #define SWM_CONF_KEYMAPPING     (1)
 216
 217 #ifndef SWM_LIB
 218 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 219 #endif
 220
 221 char                    **start_argv;
 222 xcb_atom_t              astate;
 223 xcb_atom_t              aprot;
 224 xcb_atom_t              adelete;
 225 xcb_atom_t              takefocus;
 226 xcb_atom_t              a_wmname;
 227 xcb_atom_t              a_netwmname;
 228 xcb_atom_t              a_utf8_string;
 229 xcb_atom_t              a_string;
 230 xcb_atom_t              a_swm_iconic;
 231 volatile sig_atomic_t   running = 1;
 232 volatile sig_atomic_t   restart_wm = 0;
 233 int                     outputs = 0;
 234 int                     last_focus_event = FocusOut;
 235 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 236 int                     other_wm;
 237 int                     ss_enabled = 0;
 238 int                     xrandr_support;
 239 int                     xrandr_eventbase;
 240 unsigned int            numlockmask = 0;
 241 Display                 *display;
 242 xcb_connection_t        *conn;
 243
 244 int                     cycle_empty = 0;
 245 int                     cycle_visible = 0;
 246 int                     term_width = 0;
 247 int                     font_adjusted = 0;
 248 unsigned int            mod_key = MODKEY;
 249
 250 /* dmenu search */
 251 struct swm_region       *search_r;
 252 int                     select_list_pipe[2];
 253 int                     select_resp_pipe[2];
 254 pid_t                   searchpid;
 255 volatile sig_atomic_t   search_resp;
 256 int                     search_resp_action;
 257
 258 struct search_window {
 259         TAILQ_ENTRY(search_window)      entry;
 260         int                             idx;
 261         struct ws_win                   *win;
 262         xcb_gcontext_t                  gc;
 263         xcb_window_t                    indicator;
 264 };
 265 TAILQ_HEAD(search_winlist, search_window);
 266 struct search_winlist                   search_wl;
 267
 268 /* search actions */
 269 enum {
 270         SWM_SEARCH_NONE,
 271         SWM_SEARCH_UNICONIFY,
 272         SWM_SEARCH_NAME_WORKSPACE,
 273         SWM_SEARCH_SEARCH_WORKSPACE,
 274         SWM_SEARCH_SEARCH_WINDOW
 275 };
 276
 277 #define SWM_STACK_TOP           (0)
 278 #define SWM_STACK_BOTTOM        (1)
 279 #define SWM_STACK_ABOVE         (2)
 280 #define SWM_STACK_BELOW         (3)
 281
 282 /* dialog windows */
 283 double                  dialog_ratio = 0.6;
 284 /* status bar */
 285 #define SWM_BAR_MAX             (256)
 286 #define SWM_BAR_JUSTIFY_LEFT    (0)
 287 #define SWM_BAR_JUSTIFY_CENTER  (1)
 288 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 289 #define SWM_BAR_OFFSET          (4)
 290 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 291                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 292                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 293                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 294                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 295
 296 char                    *bar_argv[] = { NULL, NULL };
 297 int                     bar_pipe[2];
 298 unsigned char           bar_ext[SWM_BAR_MAX];
 299 char                    bar_vertext[SWM_BAR_MAX];
 300 int                     bar_version = 0;
 301 sig_atomic_t            bar_alarm = 0;
 302 int                     bar_delay = 30;
 303 int                     bar_enabled = 1;
 304 int                     bar_border_width = 1;
 305 int                     bar_at_bottom = 0;
 306 int                     bar_extra = 1;
 307 int                     bar_extra_running = 0;
 308 int                     bar_verbose = 1;
 309 int                     bar_height = 0;
 310 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 311 char                    *bar_format = NULL;
 312 int                     stack_enabled = 1;
 313 int                     clock_enabled = 1;
 314 int                     urgent_enabled = 0;
 315 char                    *clock_format = NULL;
 316 int                     title_name_enabled = 0;
 317 int                     title_class_enabled = 0;
 318 int                     window_name_enabled = 0;
 319 int                     focus_mode = SWM_FOCUS_DEFAULT;
 320 int                     focus_close = SWM_STACK_BELOW;
 321 int                     focus_close_wrap = 1;
 322 int                     focus_default = SWM_STACK_TOP;
 323 int                     spawn_position = SWM_STACK_TOP;
 324 int                     disable_border = 0;
 325 int                     border_width = 1;
 326 int                     verbose_layout = 0;
 327 pid_t                   bar_pid;
 328 XFontSet                bar_fs;
 329 XFontSetExtents         *bar_fs_extents;
 330 char                    *bar_fonts;
 331 struct passwd           *pwd;
 332
 333 #define SWM_MENU_FN     (2)
 334 #define SWM_MENU_NB     (4)
 335 #define SWM_MENU_NF     (6)
 336 #define SWM_MENU_SB     (8)
 337 #define SWM_MENU_SF     (10)
 338
 339 /* layout manager data */
 340 struct swm_geometry {
 341         int                     x;
 342         int                     y;
 343         int                     w;
 344         int                     h;
 345 };
 346
 347 struct swm_screen;
 348 struct workspace;
 349
 350 struct swm_bar {
 351         xcb_window_t            id;
 352         xcb_pixmap_t            buffer;
 353         struct swm_geometry     g;
 354 };
 355
 356 /* virtual "screens" */
 357 struct swm_region {
 358         TAILQ_ENTRY(swm_region) entry;
 359         struct swm_geometry     g;
 360         struct workspace        *ws;    /* current workspace on this region */
 361         struct workspace        *ws_prior; /* prior workspace on this region */
 362         struct swm_screen       *s;     /* screen idx */
 363         struct swm_bar          *bar;
 364 };
 365 TAILQ_HEAD(swm_region_list, swm_region);
 366
 367 struct ws_win {
 368         TAILQ_ENTRY(ws_win)     entry;
 369         xcb_window_t            id;
 370         xcb_window_t            transient;
 371         struct ws_win           *child_trans;   /* transient child window */
 372         struct swm_geometry     g;              /* current geometry */
 373         struct swm_geometry     g_float;        /* region coordinates */
 374         int                     g_floatvalid;   /* g_float geometry validity */
 375         int                     floatmaxed;     /* whether maxed by max_stack */
 376         int                     floating;
 377         int                     manual;
 378         int32_t                 iconic;
 379         int                     bordered;
 380         unsigned int            ewmh_flags;
 381         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 382         int                     font_steps;
 383         int                     last_inc;
 384         int                     can_delete;
 385         int                     take_focus;
 386         int                     java;
 387         unsigned long           quirks;
 388         struct workspace        *ws;    /* always valid */
 389         struct swm_screen       *s;     /* always valid, never changes */
 390         xcb_get_geometry_reply_t        *wa;
 391         xcb_size_hints_t        sh;
 392         xcb_get_wm_class_reply_t        ch;
 393         xcb_wm_hints_t          hints;
 394 };
 395 TAILQ_HEAD(ws_win_list, ws_win);
 396
 397 /* pid goo */
 398 struct pid_e {
 399         TAILQ_ENTRY(pid_e)      entry;
 400         long                    pid;
 401         int                     ws;
 402 };
 403 TAILQ_HEAD(pid_list, pid_e);
 404 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 405
 406 /* layout handlers */
 407 void    stack(void);
 408 void    vertical_config(struct workspace *, int);
 409 void    vertical_stack(struct workspace *, struct swm_geometry *);
 410 void    horizontal_config(struct workspace *, int);
 411 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 412 void    max_stack(struct workspace *, struct swm_geometry *);
 413 void    plain_stacker(struct workspace *);
 414 void    fancy_stacker(struct workspace *);
 415
 416 struct ws_win *find_window(xcb_window_t);
 417
 418 void            grabbuttons(struct ws_win *, int);
 419 void            new_region(struct swm_screen *, int, int, int, int);
 420 void            unmanage_window(struct ws_win *);
 421 uint16_t        getstate(xcb_window_t);
 422
 423 int             conf_load(char *, int);
 424
 425 struct layout {
 426         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 427         void            (*l_config)(struct workspace *, int);
 428         u_int32_t       flags;
 429 #define SWM_L_FOCUSPREV         (1<<0)
 430 #define SWM_L_MAPONFOCUS        (1<<1)
 431         void            (*l_string)(struct workspace *);
 432 } layouts[] =  {
 433         /* stack,               configure */
 434         { vertical_stack,       vertical_config,        0,      plain_stacker },
 435         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 436         { max_stack,            NULL,
 437           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 438         { NULL,                 NULL,                   0,      NULL  },
 439 };
 440
 441 /* position of max_stack mode in the layouts array, index into layouts! */
 442 #define SWM_V_STACK             (0)
 443 #define SWM_H_STACK             (1)
 444 #define SWM_MAX_STACK           (2)
 445
 446 #define SWM_H_SLICE             (32)
 447 #define SWM_V_SLICE             (32)
 448
 449 /* define work spaces */
 450 struct workspace {
 451         int                     idx;            /* workspace index */
 452         char                    *name;          /* workspace name */
 453         int                     always_raise;   /* raise windows on focus */
 454         struct layout           *cur_layout;    /* current layout handlers */
 455         struct ws_win           *focus;         /* may be NULL */
 456         struct ws_win           *focus_prev;    /* may be NULL */
 457         struct swm_region       *r;             /* may be NULL */
 458         struct swm_region       *old_r;         /* may be NULL */
 459         struct ws_win_list      winlist;        /* list of windows in ws */
 460         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 461         char                    stacker[10];    /* display stacker and layout */
 462
 463         /* stacker state */
 464         struct {
 465                                 int horizontal_msize;
 466                                 int horizontal_mwin;
 467                                 int horizontal_stacks;
 468                                 int horizontal_flip;
 469                                 int vertical_msize;
 470                                 int vertical_mwin;
 471                                 int vertical_stacks;
 472                                 int vertical_flip;
 473         } l_state;
 474 };
 475
 476 enum {
 477         SWM_S_COLOR_BAR,
 478         SWM_S_COLOR_BAR_BORDER,
 479         SWM_S_COLOR_BAR_FONT,
 480         SWM_S_COLOR_FOCUS,
 481         SWM_S_COLOR_UNFOCUS,
 482         SWM_S_COLOR_MAX
 483 };
 484
 485 /* physical screen mapping */
 486 #define SWM_WS_MAX              (22)    /* hard limit */
 487 int             workspace_limit = 10;   /* soft limit */
 488
 489 struct swm_screen {
 490         int                     idx;    /* screen index */
 491         struct swm_region_list  rl;     /* list of regions on this screen */
 492         struct swm_region_list  orl;    /* list of old regions */
 493         xcb_window_t            root;
 494         struct workspace        ws[SWM_WS_MAX];
 495
 496         /* colors */
 497         struct {
 498                 uint32_t        color;
 499                 char            *name;
 500         } c[SWM_S_COLOR_MAX];
 501
 502         xcb_gcontext_t          bar_gc;
 503 };
 504 struct swm_screen       *screens;
 505
 506 /* args to functions */
 507 union arg {
 508         int                     id;
 509 #define SWM_ARG_ID_FOCUSNEXT    (0)
 510 #define SWM_ARG_ID_FOCUSPREV    (1)
 511 #define SWM_ARG_ID_FOCUSMAIN    (2)
 512 #define SWM_ARG_ID_FOCUSCUR     (4)
 513 #define SWM_ARG_ID_SWAPNEXT     (10)
 514 #define SWM_ARG_ID_SWAPPREV     (11)
 515 #define SWM_ARG_ID_SWAPMAIN     (12)
 516 #define SWM_ARG_ID_MOVELAST     (13)
 517 #define SWM_ARG_ID_MASTERSHRINK (20)
 518 #define SWM_ARG_ID_MASTERGROW   (21)
 519 #define SWM_ARG_ID_MASTERADD    (22)
 520 #define SWM_ARG_ID_MASTERDEL    (23)
 521 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 522 #define SWM_ARG_ID_STACKRESET   (30)
 523 #define SWM_ARG_ID_STACKINIT    (31)
 524 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 525 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 526 #define SWM_ARG_ID_CYCLESC_UP   (42)
 527 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 528 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 529 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 530 #define SWM_ARG_ID_STACKINC     (50)
 531 #define SWM_ARG_ID_STACKDEC     (51)
 532 #define SWM_ARG_ID_SS_ALL       (60)
 533 #define SWM_ARG_ID_SS_WINDOW    (61)
 534 #define SWM_ARG_ID_DONTCENTER   (70)
 535 #define SWM_ARG_ID_CENTER       (71)
 536 #define SWM_ARG_ID_KILLWINDOW   (80)
 537 #define SWM_ARG_ID_DELETEWINDOW (81)
 538 #define SWM_ARG_ID_WIDTHGROW    (90)
 539 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 540 #define SWM_ARG_ID_HEIGHTGROW   (92)
 541 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 542 #define SWM_ARG_ID_MOVEUP       (100)
 543 #define SWM_ARG_ID_MOVEDOWN     (101)
 544 #define SWM_ARG_ID_MOVELEFT     (102)
 545 #define SWM_ARG_ID_MOVERIGHT    (103)
 546         char                    **argv;
 547 };
 548
 549 void    focus(struct swm_region *, union arg *);
 550 void    focus_magic(struct ws_win *);
 551
 552 /* quirks */
 553 struct quirk {
 554         TAILQ_ENTRY(quirk)      entry;
 555         char                    *class;
 556         char                    *name;
 557         unsigned long           quirk;
 558 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 559 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 560 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 561 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 562 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 563 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 564 };
 565 TAILQ_HEAD(quirk_list, quirk);
 566 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 567
 568 /*
 569  * Supported EWMH hints should be added to
 570  * both the enum and the ewmh array
 571  */
 572 enum {
 573         _NET_ACTIVE_WINDOW,
 574         _NET_CLOSE_WINDOW,
 575         _NET_MOVERESIZE_WINDOW,
 576         _NET_WM_ACTION_CLOSE,
 577         _NET_WM_ACTION_FULLSCREEN,
 578         _NET_WM_ACTION_MOVE,
 579         _NET_WM_ACTION_RESIZE,
 580         _NET_WM_ALLOWED_ACTIONS,
 581         _NET_WM_STATE,
 582         _NET_WM_STATE_ABOVE,
 583         _NET_WM_STATE_FULLSCREEN,
 584         _NET_WM_STATE_HIDDEN,
 585         _NET_WM_STATE_MAXIMIZED_HORZ,
 586         _NET_WM_STATE_MAXIMIZED_VERT,
 587         _NET_WM_STATE_SKIP_PAGER,
 588         _NET_WM_STATE_SKIP_TASKBAR,
 589         _NET_WM_WINDOW_TYPE,
 590         _NET_WM_WINDOW_TYPE_DIALOG,
 591         _NET_WM_WINDOW_TYPE_DOCK,
 592         _NET_WM_WINDOW_TYPE_NORMAL,
 593         _NET_WM_WINDOW_TYPE_SPLASH,
 594         _NET_WM_WINDOW_TYPE_TOOLBAR,
 595         _NET_WM_WINDOW_TYPE_UTILITY,
 596         _SWM_WM_STATE_MANUAL,
 597         SWM_EWMH_HINT_MAX
 598 };
 599
 600 struct ewmh_hint {
 601         char            *name;
 602         xcb_atom_t      atom;
 603 } ewmh[SWM_EWMH_HINT_MAX] =     {
 604     /* must be in same order as in the enum */
 605     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 606     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 607     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 608     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 609     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 610     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 611     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 612     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 613     {"_NET_WM_STATE", XCB_ATOM_NONE},
 614     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 615     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 616     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 617     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 618     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 619     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 620     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 621     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 622     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 623     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 624     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 625     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 626     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 627     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 628     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 629 };
 630
 631 void             store_float_geom(struct ws_win *, struct swm_region *);
 632 int              floating_toggle_win(struct ws_win *);
 633 void             constrain_window(struct ws_win *, struct swm_region *, int);
 634 void             update_window(struct ws_win *);
 635 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 636 char            *get_win_name(xcb_window_t);
 637 xcb_atom_t       get_atom_from_string(const char *);
 638 void            map_window_raised(xcb_window_t);
 639 void            do_sync(void);
 640 xcb_screen_t    *get_screen(int);
 641 int             parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 642
 643 int
 644 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 645 {
 646         unsigned int    tmpr, tmpg, tmpb;
 647
 648         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 649                 return (-1);
 650
 651         *rr = tmpr << 8;
 652         *gg = tmpg << 8;
 653         *bb = tmpb << 8;
 654
 655         return (0);
 656 }
 657
 658 xcb_screen_t *
 659 get_screen(int screen)
 660 {
 661         xcb_screen_iterator_t i;
 662
 663         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 664         for (; i.rem; --screen, xcb_screen_next(&i))
 665                 if (screen == 0)
 666                         return (i.data);
 667
 668         return (NULL);
 669 }
 670
 671 void
 672 do_sync(void)
 673 {
 674         xcb_get_input_focus_cookie_t    c;
 675         xcb_get_input_focus_reply_t     *r;
 676
 677         /* mimic XSync() */
 678         c = xcb_get_input_focus(conn);
 679         xcb_flush(conn);
 680         r = xcb_get_input_focus_reply(conn, c, NULL);
 681         if (r)
 682                 free(r);
 683 }
 684
 685 void
 686 map_window_raised(xcb_window_t win)
 687 {
 688         uint32_t        val = XCB_STACK_MODE_ABOVE;
 689
 690         xcb_configure_window(conn, win,
 691                 XCB_CONFIG_WINDOW_STACK_MODE, &val);
 692
 693         xcb_map_window(conn, win);
 694         xcb_flush(conn);
 695 }
 696
 697 xcb_atom_t
 698 get_atom_from_string(const char *str)
 699 {
 700         xcb_intern_atom_cookie_t        c;
 701         xcb_intern_atom_reply_t         *r;
 702         xcb_atom_t                      atom;
 703
 704         c = xcb_intern_atom(conn, False, strlen(str), str);
 705         r = xcb_intern_atom_reply(conn, c, NULL);
 706         if (r) {
 707                 atom = r->atom;
 708                 free(r);
 709
 710                 return (atom);
 711         }
 712
 713         return (XCB_ATOM_NONE);
 714 }
 715
 716 void
 717 update_iconic(struct ws_win *win, int newv)
 718 {
 719         int32_t                         v = newv;
 720         xcb_atom_t                      iprop;
 721
 722         win->iconic = newv;
 723
 724         iprop = get_atom_from_string("_SWM_ICONIC");
 725         if (iprop == XCB_ATOM_NONE)
 726                 return;
 727
 728         if (newv)
 729                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 730                         iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 731         else
 732                 xcb_delete_property(conn, win->id, iprop);
 733 }
 734
 735 int32_t
 736 get_iconic(struct ws_win *win)
 737 {
 738         int32_t                         v = 0;
 739         xcb_atom_t                      iprop;
 740         xcb_get_property_reply_t        *pr = NULL;
 741
 742         iprop = get_atom_from_string("_SWM_ICONIC");
 743         if (iprop == XCB_ATOM_NONE)
 744                 goto out;
 745
 746         pr = xcb_get_property_reply(conn,
 747                 xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 748                         0, 1),
 749                 NULL);
 750         if (!pr)
 751                 goto out;
 752         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 753                 goto out;
 754         v = *((int32_t *)xcb_get_property_value(pr));
 755 out:
 756         if (pr)
 757                 free(pr);
 758         return (v);
 759 }
 760
 761 void
 762 setup_ewmh(void)
 763 {
 764         xcb_atom_t                      sup_list;
 765         int                             i, j, num_screens;
 766
 767         sup_list = get_atom_from_string("_NET_SUPPORTED");
 768
 769         for (i = 0; i < LENGTH(ewmh); i++)
 770                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 771
 772         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 773         for (i = 0; i < num_screens; i++) {
 774                 /* Support check window will be created by workaround(). */
 775
 776                 /* Report supported atoms */
 777                 xcb_delete_property(conn, screens[i].root, sup_list);
 778                 for (j = 0; j < LENGTH(ewmh); j++)
 779                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 780                                 screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 781                                 &ewmh[j].atom);
 782         }
 783 }
 784
 785 void
 786 teardown_ewmh(void)
 787 {
 788         int                             i, num_screens;
 789         xcb_atom_t                      sup_check, sup_list;
 790         xcb_window_t                    id;
 791         xcb_get_property_cookie_t       pc;
 792         xcb_get_property_reply_t        *pr;
 793
 794         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 795         sup_list = get_atom_from_string("_NET_SUPPORTED");
 796         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 797
 798         for (i = 0; i < num_screens; i++) {
 799                 /* Get the support check window and destroy it */
 800                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 801                         XCB_ATOM_WINDOW, 0, 1);
 802                 pr = xcb_get_property_reply(conn, pc, NULL);
 803                 if (pr) {
 804                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 805
 806                         xcb_destroy_window(conn, id);
 807                         xcb_delete_property(conn, screens[i].root, sup_check);
 808                         xcb_delete_property(conn, screens[i].root, sup_list);
 809
 810                         free(pr);
 811                 }
 812         }
 813 }
 814
 815 void
 816 ewmh_autoquirk(struct ws_win *win)
 817 {
 818         int                     i;
 819         unsigned long           n;
 820         xcb_atom_t              type;
 821
 822         xcb_get_property_cookie_t       c;
 823         xcb_get_property_reply_t        *r;
 824
 825         c = xcb_get_property(conn, False, win->id,
 826                 ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, (~0L));
 827         r = xcb_get_property_reply(conn, c, NULL);
 828         if (!r)
 829                 return;
 830         n = xcb_get_property_value_length(r);
 831
 832         for (i = 0; i < n; i++) {
 833                 type = *((xcb_atom_t *)xcb_get_property_value(r));
 834                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 835                         break;
 836                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 837                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 838                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 839                         win->floating = 1;
 840                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 841                         break;
 842                 }
 843                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 844                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 845                         win->floating = 1;
 846                         win->quirks = SWM_Q_FLOAT;
 847                         break;
 848                 }
 849         }
 850         free(r);
 851 }
 852
 853 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 854 #define EWMH_F_FULLSCREEN               (1<<0)
 855 #define EWMH_F_ABOVE                    (1<<1)
 856 #define EWMH_F_HIDDEN                   (1<<2)
 857 #define EWMH_F_SKIP_PAGER               (1<<3)
 858 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 859 #define SWM_F_MANUAL                    (1<<5)
 860
 861 int
 862 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 863 {
 864         if (!win->ws->r)
 865                 return (0);
 866
 867         if (!win->floating)
 868                 return (0);
 869
 870         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 871             "fullscreen %s\n", win->id, YESNO(fs));
 872
 873         if (fs) {
 874                 if (!win->g_floatvalid)
 875                         store_float_geom(win, win->ws->r);
 876
 877                 win->g = win->ws->r->g;
 878                 win->bordered = 0;
 879         } else {
 880                 if (win->g_floatvalid) {
 881                         /* refloat at last floating relative position */
 882                         win->g = win->g_float;
 883                         X(win) += X(win->ws->r);
 884                         Y(win) += Y(win->ws->r);
 885                 }
 886         }
 887
 888         return (1);
 889 }
 890
 891 void
 892 ewmh_update_actions(struct ws_win *win)
 893 {
 894         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 895         int                     n = 0;
 896
 897         if (win == NULL)
 898                 return;
 899
 900         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 901
 902         if (win->floating) {
 903                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 904                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 905         }
 906
 907         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 908                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 909                 actions);
 910 }
 911
 912 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 913 #define _NET_WM_STATE_ADD       1    /* add/set property */
 914 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 915
 916 void
 917 ewmh_update_win_state(struct ws_win *win, long state, long action)
 918 {
 919         unsigned int            mask = 0;
 920         unsigned int            changed = 0;
 921         unsigned int            orig_flags;
 922
 923         if (win == NULL)
 924                 return;
 925
 926         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 927                 mask = EWMH_F_FULLSCREEN;
 928         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 929                 mask = EWMH_F_ABOVE;
 930         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 931                 mask = SWM_F_MANUAL;
 932         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 933                 mask = EWMH_F_SKIP_PAGER;
 934         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 935                 mask = EWMH_F_SKIP_TASKBAR;
 936
 937
 938         orig_flags = win->ewmh_flags;
 939
 940         switch (action) {
 941         case _NET_WM_STATE_REMOVE:
 942                 win->ewmh_flags &= ~mask;
 943                 break;
 944         case _NET_WM_STATE_ADD:
 945                 win->ewmh_flags |= mask;
 946                 break;
 947         case _NET_WM_STATE_TOGGLE:
 948                 win->ewmh_flags ^= mask;
 949                 break;
 950         }
 951
 952         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 953
 954         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 955                 if (changed)
 956                         if (!floating_toggle_win(win))
 957                                 win->ewmh_flags = orig_flags; /* revert */
 958         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 959                 if (changed)
 960                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 961         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 962                 if (changed)
 963                         if (!ewmh_set_win_fullscreen(win,
 964                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 965                                 win->ewmh_flags = orig_flags; /* revert */
 966
 967         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 968
 969         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 970                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 971                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 972                         &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 973         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 974                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 975                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 976                         &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 977         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 978                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 979                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 980                         &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
 981         if (win->ewmh_flags & EWMH_F_ABOVE)
 982                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 983                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 984                         &ewmh[_NET_WM_STATE_ABOVE].atom);
 985         if (win->ewmh_flags & SWM_F_MANUAL)
 986                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 987                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 988                         &ewmh[_SWM_WM_STATE_MANUAL].atom);
 989 }
 990
 991 void
 992 ewmh_get_win_state(struct ws_win *win)
 993 {
 994         xcb_atom_t                      *states;
 995         xcb_get_property_cookie_t       c;
 996         xcb_get_property_reply_t        *r;
 997         int                             i, n;
 998
 999         if (win == NULL)
1000                 return;
1001
1002         win->ewmh_flags = 0;
1003         if (win->floating)
1004                 win->ewmh_flags |= EWMH_F_ABOVE;
1005         if (win->manual)
1006                 win->ewmh_flags |= SWM_F_MANUAL;
1007
1008         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1009                 XCB_ATOM_ATOM, 0, (~0L));
1010         r = xcb_get_property_reply(conn, c, NULL);
1011         if (!r)
1012                 return;
1013
1014         states = xcb_get_property_value(r);
1015         n = xcb_get_property_value_length(r);
1016
1017         for (i = 0; i < n; i++)
1018                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1019
1020         free(r);
1021 }
1022
1023 /* events */
1024 #ifdef SWM_DEBUG
1025 char *
1026 geteventname(XEvent *e)
1027 {
1028         char                    *name = NULL;
1029
1030         switch (e->type) {
1031         case KeyPress:
1032                 name = "KeyPress";
1033                 break;
1034         case KeyRelease:
1035                 name = "KeyRelease";
1036                 break;
1037         case ButtonPress:
1038                 name = "ButtonPress";
1039                 break;
1040         case ButtonRelease:
1041                 name = "ButtonRelease";
1042                 break;
1043         case MotionNotify:
1044                 name = "MotionNotify";
1045                 break;
1046         case EnterNotify:
1047                 name = "EnterNotify";
1048                 break;
1049         case LeaveNotify:
1050                 name = "LeaveNotify";
1051                 break;
1052         case FocusIn:
1053                 name = "FocusIn";
1054                 break;
1055         case FocusOut:
1056                 name = "FocusOut";
1057                 break;
1058         case KeymapNotify:
1059                 name = "KeymapNotify";
1060                 break;
1061         case Expose:
1062                 name = "Expose";
1063                 break;
1064         case GraphicsExpose:
1065                 name = "GraphicsExpose";
1066                 break;
1067         case NoExpose:
1068                 name = "NoExpose";
1069                 break;
1070         case VisibilityNotify:
1071                 name = "VisibilityNotify";
1072                 break;
1073         case CreateNotify:
1074                 name = "CreateNotify";
1075                 break;
1076         case DestroyNotify:
1077                 name = "DestroyNotify";
1078                 break;
1079         case UnmapNotify:
1080                 name = "UnmapNotify";
1081                 break;
1082         case MapNotify:
1083                 name = "MapNotify";
1084                 break;
1085         case MapRequest:
1086                 name = "MapRequest";
1087                 break;
1088         case ReparentNotify:
1089                 name = "ReparentNotify";
1090                 break;
1091         case ConfigureNotify:
1092                 name = "ConfigureNotify";
1093                 break;
1094         case ConfigureRequest:
1095                 name = "ConfigureRequest";
1096                 break;
1097         case GravityNotify:
1098                 name = "GravityNotify";
1099                 break;
1100         case ResizeRequest:
1101                 name = "ResizeRequest";
1102                 break;
1103         case CirculateNotify:
1104                 name = "CirculateNotify";
1105                 break;
1106         case CirculateRequest:
1107                 name = "CirculateRequest";
1108                 break;
1109         case PropertyNotify:
1110                 name = "PropertyNotify";
1111                 break;
1112         case SelectionClear:
1113                 name = "SelectionClear";
1114                 break;
1115         case SelectionRequest:
1116                 name = "SelectionRequest";
1117                 break;
1118         case SelectionNotify:
1119                 name = "SelectionNotify";
1120                 break;
1121         case ColormapNotify:
1122                 name = "ColormapNotify";
1123                 break;
1124         case ClientMessage:
1125                 name = "ClientMessage";
1126                 break;
1127         case MappingNotify:
1128                 name = "MappingNotify";
1129                 break;
1130         default:
1131                 name = "Unknown";
1132         }
1133
1134         return (name);
1135 }
1136
1137 char *
1138 xrandr_geteventname(XEvent *e)
1139 {
1140         char                    *name = NULL;
1141
1142         switch(e->type - xrandr_eventbase) {
1143         case RRScreenChangeNotify:
1144                 name = "RRScreenChangeNotify";
1145                 break;
1146         default:
1147                 name = "Unknown";
1148         }
1149
1150         return (name);
1151 }
1152
1153 void
1154 dumpwins(struct swm_region *r, union arg *args)
1155 {
1156         struct ws_win                           *win;
1157         uint16_t                                state;
1158         xcb_get_window_attributes_cookie_t      c;
1159         xcb_get_window_attributes_reply_t       *wa;
1160
1161         if (r->ws == NULL) {
1162                 warnx("dumpwins: invalid workspace");
1163                 return;
1164         }
1165
1166         warnx("=== managed window list ws %02d ===", r->ws->idx);
1167         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1168                 state = getstate(win->id);
1169                 c = xcb_get_window_attributes(conn, win->id);
1170                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1171                 if (wa) {
1172                         warnx("window: 0x%x, map_state: %d, state: %u, "
1173                                 "transient: 0x%x", win->id, wa->map_state,
1174                                 state, win->transient);
1175                         free(wa);
1176                 } else
1177                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1178                             win->id);
1179         }
1180
1181         warnx("===== unmanaged window list =====");
1182         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1183                 state = getstate(win->id);
1184                 c = xcb_get_window_attributes(conn, win->id);
1185                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1186                 if (wa) {
1187                         warnx("window: 0x%x, map_state: %d, state: %u, "
1188                                 "transient: 0x%x", win->id, wa->map_state,
1189                                 state, win->transient);
1190                         free(wa);
1191                 } else
1192                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1193                             win->id);
1194         }
1195
1196         warnx("=================================");
1197 }
1198 #else
1199 void
1200 dumpwins(struct swm_region *r, union arg *args)
1201 {
1202 }
1203 #endif /* SWM_DEBUG */
1204
1205 void                    expose(XEvent *);
1206 void                    keypress(XEvent *);
1207 void                    buttonpress(XEvent *);
1208 void                    configurerequest(XEvent *);
1209 void                    configurenotify(XEvent *);
1210 void                    destroynotify(XEvent *);
1211 void                    enternotify(XEvent *);
1212 void                    focusevent(XEvent *);
1213 void                    mapnotify(XEvent *);
1214 void                    mappingnotify(XEvent *);
1215 void                    maprequest(XEvent *);
1216 void                    propertynotify(XEvent *);
1217 void                    unmapnotify(XEvent *);
1218 void                    visibilitynotify(XEvent *);
1219 void                    clientmessage(XEvent *);
1220
1221 void                    (*handler[LASTEvent])(XEvent *) = {
1222                                 [Expose] = expose,
1223                                 [KeyPress] = keypress,
1224                                 [ButtonPress] = buttonpress,
1225                                 [ConfigureRequest] = configurerequest,
1226                                 [ConfigureNotify] = configurenotify,
1227                                 [DestroyNotify] = destroynotify,
1228                                 [EnterNotify] = enternotify,
1229                                 [FocusIn] = focusevent,
1230                                 [FocusOut] = focusevent,
1231                                 [MapNotify] = mapnotify,
1232                                 [MappingNotify] = mappingnotify,
1233                                 [MapRequest] = maprequest,
1234                                 [PropertyNotify] = propertynotify,
1235                                 [UnmapNotify] = unmapnotify,
1236                                 [VisibilityNotify] = visibilitynotify,
1237                                 [ClientMessage] = clientmessage,
1238 };
1239
1240 void
1241 sighdlr(int sig)
1242 {
1243         int                     saved_errno, status;
1244         pid_t                   pid;
1245
1246         saved_errno = errno;
1247
1248         switch (sig) {
1249         case SIGCHLD:
1250                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1251                         if (pid == -1) {
1252                                 if (errno == EINTR)
1253                                         continue;
1254 #ifdef SWM_DEBUG
1255                                 if (errno != ECHILD)
1256                                         warn("sighdlr: waitpid");
1257 #endif /* SWM_DEBUG */
1258                                 break;
1259                         }
1260                         if (pid == searchpid)
1261                                 search_resp = 1;
1262
1263 #ifdef SWM_DEBUG
1264                         if (WIFEXITED(status)) {
1265                                 if (WEXITSTATUS(status) != 0)
1266                                         warnx("sighdlr: child exit status: %d",
1267                                             WEXITSTATUS(status));
1268                         } else
1269                                 warnx("sighdlr: child is terminated "
1270                                     "abnormally");
1271 #endif /* SWM_DEBUG */
1272                 }
1273                 break;
1274
1275         case SIGHUP:
1276                 restart_wm = 1;
1277                 break;
1278         case SIGINT:
1279         case SIGTERM:
1280         case SIGQUIT:
1281                 running = 0;
1282                 break;
1283         }
1284
1285         errno = saved_errno;
1286 }
1287
1288 struct pid_e *
1289 find_pid(long pid)
1290 {
1291         struct pid_e            *p = NULL;
1292
1293         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1294
1295         if (pid == 0)
1296                 return (NULL);
1297
1298         TAILQ_FOREACH(p, &pidlist, entry) {
1299                 if (p->pid == pid)
1300                         return (p);
1301         }
1302
1303         return (NULL);
1304 }
1305
1306 uint32_t
1307 name_to_color(const char *colorname)
1308 {
1309         uint32_t                        result = 0;
1310         char                            cname[32] = "#";
1311         xcb_screen_t                    *screen;
1312         xcb_colormap_t                  cmap;
1313         xcb_alloc_color_reply_t         *cr;
1314         xcb_alloc_named_color_reply_t   *nr;
1315         uint16_t                        rr, gg, bb;
1316
1317         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1318         cmap = screen->default_colormap;
1319
1320         /* color is in format rgb://rr/gg/bb */
1321         if (strncmp(colorname, "rgb:", 4) == 0) {
1322                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1323                         warnx("could not parse rgb %s", colorname);
1324                 else {
1325                         cr = xcb_alloc_color_reply(conn,
1326                                 xcb_alloc_color(conn, cmap, rr, gg, bb),
1327                                 NULL);
1328                         if (cr) {
1329                                 result = cr->pixel;
1330                                 free(cr);
1331                         } else
1332                                 warnx("color '%s' not found", colorname);
1333                 }
1334         } else {
1335                 nr = xcb_alloc_named_color_reply(conn,
1336                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1337                                 colorname),
1338                         NULL);
1339                 if (!nr) {
1340                         strlcat(cname, colorname + 2, sizeof cname - 1);
1341                         nr = xcb_alloc_named_color_reply(conn,
1342                                 xcb_alloc_named_color(conn, cmap, strlen(cname),
1343                                         cname),
1344                                 NULL);
1345                 }
1346                 if (nr) {
1347                         result = nr->pixel;
1348                         free(nr);
1349                 } else
1350                         warnx("color '%s' not found", colorname);
1351         }
1352
1353         return (result);
1354 }
1355
1356 void
1357 setscreencolor(char *val, int i, int c)
1358 {
1359         int     num_screens;
1360
1361         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1362         if (i > 0 && i <= num_screens) {
1363                 screens[i - 1].c[c].color = name_to_color(val);
1364                 free(screens[i - 1].c[c].name);
1365                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1366                         err(1, "strdup");
1367         } else if (i == -1) {
1368                 for (i = 0; i < num_screens; i++) {
1369                         screens[i].c[c].color = name_to_color(val);
1370                         free(screens[i].c[c].name);
1371                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1372                                 err(1, "strdup");
1373                 }
1374         } else
1375                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1376                     i, num_screens);
1377 }
1378
1379 void
1380 fancy_stacker(struct workspace *ws)
1381 {
1382         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1383         if (ws->cur_layout->l_stack == vertical_stack)
1384                 snprintf(ws->stacker, sizeof ws->stacker,
1385                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1386                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1387         if (ws->cur_layout->l_stack == horizontal_stack)
1388                 snprintf(ws->stacker, sizeof ws->stacker,
1389                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1390                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1391 }
1392
1393 void
1394 plain_stacker(struct workspace *ws)
1395 {
1396         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1397         if (ws->cur_layout->l_stack == vertical_stack)
1398                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1399                     sizeof ws->stacker);
1400         if (ws->cur_layout->l_stack == horizontal_stack)
1401                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1402                     sizeof ws->stacker);
1403 }
1404
1405 void
1406 custom_region(char *val)
1407 {
1408         unsigned int                    sidx, x, y, w, h;
1409         int                             num_screens;
1410         xcb_screen_t                    *screen;
1411
1412         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1413         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1414                 errx(1, "invalid custom region, "
1415                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1416         if (sidx < 1 || sidx > num_screens)
1417                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1418                     sidx, num_screens);
1419         sidx--;
1420
1421         screen = get_screen(sidx);
1422         if (w < 1 || h < 1)
1423                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1424
1425         if (x > screen->width_in_pixels ||
1426             y > screen->height_in_pixels ||
1427             w + x > screen->width_in_pixels ||
1428             h + y > screen->height_in_pixels) {
1429                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1430                     "boundaries (%ux%u)", w, h, x, y,
1431                     screen->width_in_pixels, screen->height_in_pixels);
1432                 return;
1433         }
1434
1435         new_region(&screens[sidx], x, y, w, h);
1436 }
1437
1438 void
1439 socket_setnonblock(int fd)
1440 {
1441         int                     flags;
1442
1443         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1444                 err(1, "fcntl F_GETFL");
1445         flags |= O_NONBLOCK;
1446         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1447                 err(1, "fcntl F_SETFL");
1448 }
1449
1450 void
1451 bar_print(struct swm_region *r, const char *s)
1452 {
1453         int                     x = 0;
1454         size_t                  len;
1455         xcb_rectangle_t         rect;
1456         uint32_t                gcv[1];
1457         XRectangle              ibox, lbox;
1458
1459         len = strlen(s);
1460         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1461
1462         switch (bar_justify) {
1463         case SWM_BAR_JUSTIFY_LEFT:
1464                 x = SWM_BAR_OFFSET;
1465                 break;
1466         case SWM_BAR_JUSTIFY_CENTER:
1467                 x = (WIDTH(r) - lbox.width) / 2;
1468                 break;
1469         case SWM_BAR_JUSTIFY_RIGHT:
1470                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1471                 break;
1472         }
1473
1474         if (x < SWM_BAR_OFFSET)
1475                 x = SWM_BAR_OFFSET;
1476
1477         rect.x = 0;
1478         rect.y = 0;
1479         rect.width = WIDTH(r->bar);
1480         rect.height = HEIGHT(r->bar);
1481
1482         /* clear back buffer */
1483         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1484         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1485         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1486                 sizeof(rect), &rect);
1487
1488         /* draw back buffer */
1489         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1490         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1491         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1492                 (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1493                 lbox.y, s);
1494
1495         /* blt */
1496         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1497                 0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1498 }
1499
1500 void
1501 bar_extra_stop(void)
1502 {
1503         if (bar_pipe[0]) {
1504                 close(bar_pipe[0]);
1505                 bzero(bar_pipe, sizeof bar_pipe);
1506         }
1507         if (bar_pid) {
1508                 kill(bar_pid, SIGTERM);
1509                 bar_pid = 0;
1510         }
1511         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1512         bar_extra = 0;
1513 }
1514
1515 void
1516 bar_class_name(char *s, size_t sz, struct swm_region *r)
1517 {
1518         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1519                 return;
1520         if (r->ws->focus->ch.class_name != NULL)
1521                 strlcat(s, r->ws->focus->ch.class_name, sz);
1522 }
1523
1524 void
1525 bar_title_name(char *s, size_t sz, struct swm_region *r)
1526 {
1527         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1528                 return;
1529         if (r->ws->focus->ch.instance_name != NULL)
1530                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1531 }
1532
1533 void
1534 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1535 {
1536         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1537                 return;
1538
1539         bar_class_name(s, sz, r);
1540         strlcat(s, ":", sz);
1541         bar_title_name(s, sz, r);
1542 }
1543
1544 void
1545 bar_window_float(char *s, size_t sz, struct swm_region *r)
1546 {
1547         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1548                 return;
1549         if (r->ws->focus->floating)
1550                 strlcat(s, "(f)", sz);
1551 }
1552
1553 void
1554 bar_window_name(char *s, size_t sz, struct swm_region *r)
1555 {
1556         char            *title;
1557
1558         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1559                 return;
1560         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1561                 return;
1562
1563         strlcat(s, title, sz);
1564         free(title);
1565 }
1566
1567 int             urgent[SWM_WS_MAX];
1568 void
1569 bar_urgent(char *s, size_t sz)
1570 {
1571         struct ws_win           *win;
1572         int                     i, j, num_screens;
1573         char                    b[8];
1574         xcb_get_property_cookie_t       c;
1575         xcb_icccm_wm_hints_t    hints;
1576
1577         for (i = 0; i < workspace_limit; i++)
1578                 urgent[i] = 0;
1579
1580         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1581         for (i = 0; i < num_screens; i++)
1582                 for (j = 0; j < workspace_limit; j++)
1583                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1584                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1585                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1586                                                 &hints, NULL) == 0)
1587                                         continue;
1588                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1589                                         urgent[j] = 1;
1590                         }
1591
1592         for (i = 0; i < workspace_limit; i++) {
1593                 if (urgent[i])
1594                         snprintf(b, sizeof b, "%d ", i + 1);
1595                 else
1596                         snprintf(b, sizeof b, "- ");
1597                 strlcat(s, b, sz);
1598         }
1599 }
1600
1601 void
1602 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1603 {
1604         if (r == NULL || r->ws == NULL)
1605                 return;
1606         if (r->ws->name != NULL)
1607                 strlcat(s, r->ws->name, sz);
1608 }
1609
1610 /* build the default bar format according to the defined enabled options */
1611 void
1612 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1613 {
1614         /* if format provided, just copy the buffers */
1615         if (bar_format != NULL) {
1616                 strlcpy(fmtnew, fmtexp, sz);
1617                 return;
1618         }
1619
1620         /* reset the output buffer */
1621         *fmtnew = '\0';
1622
1623         strlcat(fmtnew, "+N:+I ", sz);
1624         if (stack_enabled)
1625                 strlcat(fmtnew, "+S", sz);
1626         strlcat(fmtnew, " ", sz);
1627
1628         /* only show the workspace name if there's actually one */
1629         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1630                 strlcat(fmtnew, "<+D>", sz);
1631         strlcat(fmtnew, "+3<", sz);
1632
1633         if (clock_enabled) {
1634                 strlcat(fmtnew, fmtexp, sz);
1635                 strlcat(fmtnew, "+4<", sz);
1636         }
1637
1638         /* bar_urgent already adds the space before the last asterisk */
1639         if (urgent_enabled)
1640                 strlcat(fmtnew, "* +U*+4<", sz);
1641
1642         if (title_class_enabled) {
1643                 strlcat(fmtnew, "+C", sz);
1644                 if (title_name_enabled == 0)
1645                         strlcat(fmtnew, "+4<", sz);
1646         }
1647
1648         /* checks needed by the colon and floating strlcat(3) calls below */
1649         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1650                 if (title_name_enabled) {
1651                         if (title_class_enabled)
1652                                 strlcat(fmtnew, ":", sz);
1653                         strlcat(fmtnew, "+T+4<", sz);
1654                 }
1655                 if (window_name_enabled) {
1656                         if (r->ws->focus->floating)
1657                                 strlcat(fmtnew, "+F ", sz);
1658                         strlcat(fmtnew, "+64W ", sz);
1659                 }
1660         }
1661
1662         /* finally add the action script output and the version */
1663         strlcat(fmtnew, "+4<+A+4<+V", sz);
1664 }
1665
1666 void
1667 bar_replace_pad(char *tmp, int *limit, size_t sz)
1668 {
1669         /* special case; no limit given, pad one space, instead */
1670         if (*limit == sz - 1)
1671                 *limit = 1;
1672         snprintf(tmp, sz, "%*s", *limit, " ");
1673 }
1674
1675 /* replaces the bar format character sequences (like in tmux(1)) */
1676 char *
1677 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1678     size_t sz)
1679 {
1680         char                    *ptr;
1681         char                    tmp[SWM_BAR_MAX];
1682         int                     limit, size;
1683         size_t                  len;
1684
1685         /* reset strlcat(3) buffer */
1686         *tmp = '\0';
1687
1688         /* get number, if any */
1689         fmt++;
1690         size = 0;
1691         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1692                 limit = sizeof tmp - 1;
1693         if (limit <= 0 || limit >= sizeof tmp)
1694                 limit = sizeof tmp - 1;
1695
1696         /* there is nothing to replace (ie EOL) */
1697         fmt += size;
1698         if (*fmt == '\0')
1699                 return (fmt);
1700
1701         switch (*fmt) {
1702         case '<':
1703                 bar_replace_pad(tmp, &limit, sizeof tmp);
1704                 break;
1705         case 'A':
1706                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1707                 break;
1708         case 'C':
1709                 bar_class_name(tmp, sizeof tmp, r);
1710                 break;
1711         case 'D':
1712                 bar_workspace_name(tmp, sizeof tmp, r);
1713                 break;
1714         case 'F':
1715                 bar_window_float(tmp, sizeof tmp, r);
1716                 break;
1717         case 'I':
1718                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1719                 break;
1720         case 'N':
1721                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1722                 break;
1723         case 'P':
1724                 bar_class_title_name(tmp, sizeof tmp, r);
1725                 break;
1726         case 'S':
1727                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1728                 break;
1729         case 'T':
1730                 bar_title_name(tmp, sizeof tmp, r);
1731                 break;
1732         case 'U':
1733                 bar_urgent(tmp, sizeof tmp);
1734                 break;
1735         case 'V':
1736                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1737                 break;
1738         case 'W':
1739                 bar_window_name(tmp, sizeof tmp, r);
1740                 break;
1741         default:
1742                 /* unknown character sequence; copy as-is */
1743                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1744                 break;
1745         }
1746
1747         len = strlen(tmp);
1748         ptr = tmp;
1749         if (len < limit)
1750                 limit = len;
1751         while (limit-- > 0) {
1752                 if (*offrep >= sz - 1)
1753                         break;
1754                 fmtrep[(*offrep)++] = *ptr++;
1755         }
1756
1757         fmt++;
1758         return (fmt);
1759 }
1760
1761 void
1762 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1763 {
1764         size_t                  off;
1765
1766         off = 0;
1767         while (*fmt != '\0') {
1768                 if (*fmt != '+') {
1769                         /* skip ordinary characters */
1770                         if (off >= sz - 1)
1771                                 break;
1772                         fmtrep[off++] = *fmt++;
1773                         continue;
1774                 }
1775
1776                 /* character sequence found; replace it */
1777                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1778                 if (off >= sz - 1)
1779                         break;
1780         }
1781
1782         fmtrep[off] = '\0';
1783 }
1784
1785 void
1786 bar_fmt_expand(char *fmtexp, size_t sz)
1787 {
1788         char                    *fmt = NULL;
1789         size_t                  len;
1790         struct tm               tm;
1791         time_t                  tmt;
1792
1793         /* start by grabbing the current time and date */
1794         time(&tmt);
1795         localtime_r(&tmt, &tm);
1796
1797         /* figure out what to expand */
1798         if (bar_format != NULL)
1799                 fmt = bar_format;
1800         else if (bar_format == NULL && clock_enabled)
1801                 fmt = clock_format;
1802         /* if nothing to expand bail out */
1803         if (fmt == NULL) {
1804                 *fmtexp = '\0';
1805                 return;
1806         }
1807
1808         /* copy as-is, just in case the format shouldn't be expanded below */
1809         strlcpy(fmtexp, fmt, sz);
1810         /* finally pass the string through strftime(3) */
1811 #ifndef SWM_DENY_CLOCK_FORMAT
1812         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1813                 warnx("format too long");
1814         fmtexp[len] = '\0';
1815 #endif
1816 }
1817
1818 void
1819 bar_fmt_print(void)
1820 {
1821         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1822         char                    fmtrep[SWM_BAR_MAX];
1823         int                     i, num_screens;
1824         struct swm_region       *r;
1825
1826         /* expand the format by first passing it through strftime(3) */
1827         bar_fmt_expand(fmtexp, sizeof fmtexp);
1828
1829         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1830         for (i = 0; i < num_screens; i++) {
1831                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1832                         if (r->bar == NULL)
1833                                 continue;
1834                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1835                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1836                         bar_print(r, fmtrep);
1837                 }
1838         }
1839 }
1840
1841 void
1842 bar_update(void)
1843 {
1844         size_t                  len;
1845         char                    *b;
1846
1847         if (bar_enabled == 0)
1848                 return;
1849         if (bar_extra && bar_extra_running) {
1850                 /* ignore short reads; it'll correct itself */
1851                 while ((b = fgetln(stdin, &len)) != NULL)
1852                         if (b && b[len - 1] == '\n') {
1853                                 b[len - 1] = '\0';
1854                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1855                         }
1856                 if (b == NULL && errno != EAGAIN) {
1857                         warn("bar_update: bar_extra failed");
1858                         bar_extra_stop();
1859                 }
1860         } else
1861                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1862
1863         bar_fmt_print();
1864         alarm(bar_delay);
1865 }
1866
1867 void
1868 bar_signal(int sig)
1869 {
1870         bar_alarm = 1;
1871 }
1872
1873 void
1874 bar_toggle(struct swm_region *r, union arg *args)
1875 {
1876         struct swm_region       *tmpr;
1877         int                     i, num_screens;
1878
1879         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1880
1881         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1882         if (bar_enabled) {
1883                 for (i = 0; i < num_screens; i++)
1884                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1885                                 if (tmpr->bar)
1886                                         xcb_unmap_window(conn, tmpr->bar->id);
1887         } else {
1888                 for (i = 0; i < num_screens; i++)
1889                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1890                                 if (tmpr->bar)
1891                                         map_window_raised(tmpr->bar->id);
1892         }
1893
1894         bar_enabled = !bar_enabled;
1895
1896         stack();
1897         /* must be after stack */
1898         bar_update();
1899 }
1900
1901 void
1902 bar_refresh(void)
1903 {
1904         struct swm_region       *r;
1905         uint32_t                wa[2];
1906         int                     i, num_screens;
1907
1908         /* do this here because the conf file is in memory */
1909         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1910                 /* launch external status app */
1911                 bar_extra_running = 1;
1912                 if (pipe(bar_pipe) == -1)
1913                         err(1, "pipe error");
1914                 socket_setnonblock(bar_pipe[0]);
1915                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1916                 if (dup2(bar_pipe[0], 0) == -1)
1917                         err(1, "dup2");
1918                 if (dup2(bar_pipe[1], 1) == -1)
1919                         err(1, "dup2");
1920                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1921                         err(1, "could not disable SIGPIPE");
1922                 switch (bar_pid = fork()) {
1923                 case -1:
1924                         err(1, "cannot fork");
1925                         break;
1926                 case 0: /* child */
1927                         close(bar_pipe[0]);
1928                         execvp(bar_argv[0], bar_argv);
1929                         err(1, "%s external app failed", bar_argv[0]);
1930                         break;
1931                 default: /* parent */
1932                         close(bar_pipe[1]);
1933                         break;
1934                 }
1935         }
1936
1937         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1938         for (i = 0; i < num_screens; i++)
1939                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1940                         if (r->bar == NULL)
1941                                 continue;
1942                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1943                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1944                         xcb_change_window_attributes(conn, r->bar->id,
1945                                 XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1946                 }
1947         bar_update();
1948 }
1949
1950 void
1951 bar_setup(struct swm_region *r)
1952 {
1953         char                    *default_string;
1954         char                    **missing_charsets;
1955         int                     num_missing_charsets = 0;
1956         int                     i;
1957         xcb_screen_t            *screen = get_screen(r->s->idx);
1958         uint32_t                wa[2];
1959
1960         if (bar_fs) {
1961                 XFreeFontSet(display, bar_fs);
1962                 bar_fs = NULL;
1963         }
1964
1965         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1966                 err(1, "bar_setup: calloc: failed to allocate memory.");
1967
1968         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1969
1970         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1971             &num_missing_charsets, &default_string);
1972
1973         if (num_missing_charsets > 0) {
1974                 warnx("Unable to load charset(s):");
1975
1976                 for (i = 0; i < num_missing_charsets; ++i)
1977                         warnx("%s", missing_charsets[i]);
1978
1979                 XFreeStringList(missing_charsets);
1980
1981                 if (strcmp(default_string, ""))
1982                         warnx("Glyphs from those sets will be replaced "
1983                             "by '%s'.", default_string);
1984                 else
1985                         warnx("Glyphs from those sets won't be drawn.");
1986         }
1987
1988         if (bar_fs == NULL)
1989                 errx(1, "Error creating font set structure.");
1990
1991         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1992
1993         bar_height = bar_fs_extents->max_logical_extent.height +
1994             2 * bar_border_width;
1995
1996         if (bar_height < 1)
1997                 bar_height = 1;
1998
1999         X(r->bar) = X(r);
2000         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2001         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2002         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2003
2004         r->bar->id = xcb_generate_id(conn);
2005         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
2006         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
2007         xcb_create_window(conn, screen->root_depth, r->bar->id, r->s->root,
2008                 X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2009                 bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2010                 screen->root_visual, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL,
2011                 wa);
2012
2013         r->bar->buffer = xcb_generate_id(conn);
2014         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2015                 WIDTH(r->bar), HEIGHT(r->bar));
2016
2017         xcb_randr_select_input(conn, r->bar->id,
2018                 XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2019
2020         if (bar_enabled)
2021                 map_window_raised(r->bar->id);
2022
2023         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2024             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2025             HEIGHT(r->bar));
2026
2027         if (signal(SIGALRM, bar_signal) == SIG_ERR)
2028                 err(1, "could not install bar_signal");
2029         bar_refresh();
2030 }
2031
2032 void
2033 bar_cleanup(struct swm_region *r)
2034 {
2035         if (r->bar == NULL)
2036                 return;
2037         xcb_destroy_window(conn, r->bar->id);
2038         xcb_free_pixmap(conn, r->bar->buffer);
2039         free(r->bar);
2040         r->bar = NULL;
2041 }
2042
2043 void
2044 drain_enter_notify(void)
2045 {
2046         int                     i = 0;
2047         XEvent                  cne;
2048
2049         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
2050                 i++;
2051
2052         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
2053 }
2054
2055 void
2056 set_win_state(struct ws_win *win, uint16_t state)
2057 {
2058         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2059
2060         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
2061
2062         if (win == NULL)
2063                 return;
2064
2065         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, astate,
2066                 astate, 32, 2, data);
2067 }
2068
2069 uint16_t
2070 getstate(xcb_window_t w)
2071 {
2072         uint16_t                        result = 0;
2073         xcb_get_property_cookie_t       c;
2074         xcb_get_property_reply_t        *r;
2075
2076         c = xcb_get_property(conn, False, w, astate, astate, 0L, 2L);
2077         r = xcb_get_property_reply(conn, c, NULL);
2078
2079         if (r) {
2080                 result = *((uint16_t *)xcb_get_property_value(r));
2081                 free(r);
2082         }
2083
2084         return (result);
2085 }
2086
2087 void
2088 version(struct swm_region *r, union arg *args)
2089 {
2090         bar_version = !bar_version;
2091         if (bar_version)
2092                 snprintf(bar_vertext, sizeof bar_vertext,
2093                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2094         else
2095                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2096         bar_update();
2097 }
2098
2099 void
2100 client_msg(struct ws_win *win, xcb_atom_t a)
2101 {
2102         xcb_client_message_event_t      ev;
2103
2104         if (win == NULL)
2105                 return;
2106
2107         bzero(&ev, sizeof ev);
2108         ev.response_type = XCB_CLIENT_MESSAGE;
2109         ev.window = win->id;
2110         ev.type = aprot;
2111         ev.format = 32;
2112         ev.data.data32[0] = a;
2113         ev.data.data32[1] = XCB_CURRENT_TIME;
2114
2115         xcb_send_event(conn, False, win->id,
2116                 XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2117         xcb_flush(conn);
2118 }
2119
2120 /* synthetic response to a ConfigureRequest when not making a change */
2121 void
2122 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
2123 {
2124         xcb_configure_notify_event_t ce;
2125
2126         if (win == NULL)
2127                 return;
2128
2129         /* send notification of unchanged state. */
2130         bzero(&ce, sizeof(ce));
2131         ce.response_type = XCB_CONFIGURE_NOTIFY;
2132         ce.x = X(win);
2133         ce.y = Y(win);
2134         ce.width = WIDTH(win);
2135         ce.height = HEIGHT(win);
2136         ce.override_redirect = False;
2137
2138         if (ev == NULL) {
2139                 /* EWMH */
2140                 ce.event = win->id;
2141                 ce.window = win->id;
2142                 ce.border_width = BORDER(win);
2143                 ce.above_sibling = XCB_WINDOW_NONE;
2144         } else {
2145                 /* normal */
2146                 ce.event = ev->window;
2147                 ce.window = ev->window;
2148
2149                 /* make response appear more WM_SIZE_HINTS-compliant */
2150                 if (win->sh.flags)
2151                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2152                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2153                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2154                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2155                             SH_INC_W(win), SH_INC_H(win));
2156
2157                 /* min size */
2158                 if (SH_MIN(win)) {
2159                         /* the hint may be set... to 0! */
2160                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2161                                 ce.width = SH_MIN_W(win);
2162                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2163                                 ce.height = SH_MIN_H(win);
2164                 }
2165
2166                 /* max size */
2167                 if (SH_MAX(win)) {
2168                         /* may also be advertized as 0 */
2169                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2170                                 ce.width = SH_MAX_W(win);
2171                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2172                                 ce.height = SH_MAX_H(win);
2173                 }
2174
2175                 /* resize increment. */
2176                 if (SH_INC(win)) {
2177                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2178                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2179                                     SH_INC_W(win);
2180                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2181                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2182                                     SH_INC_H(win);
2183                 }
2184
2185                 /* adjust x and y for requested border_width. */
2186                 ce.x += BORDER(win) - ev->border_width;
2187                 ce.y += BORDER(win) - ev->border_width;
2188                 ce.border_width = ev->border_width;
2189                 ce.above_sibling = ev->above;
2190         }
2191
2192         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2193             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2194             ce.y, ce.width, ce.height, ce.border_width);
2195
2196         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2197                 (char *)&ce);
2198         xcb_flush(conn);
2199 }
2200
2201 int
2202 count_win(struct workspace *ws, int count_transient)
2203 {
2204         struct ws_win           *win;
2205         int                     count = 0;
2206
2207         TAILQ_FOREACH(win, &ws->winlist, entry) {
2208                 if (count_transient == 0 && win->floating)
2209                         continue;
2210                 if (count_transient == 0 && win->transient)
2211                         continue;
2212                 if (win->iconic)
2213                         continue;
2214                 count++;
2215         }
2216         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2217
2218         return (count);
2219 }
2220
2221 void
2222 quit(struct swm_region *r, union arg *args)
2223 {
2224         DNPRINTF(SWM_D_MISC, "quit\n");
2225         running = 0;
2226 }
2227
2228 void
2229 unmap_window(struct ws_win *win)
2230 {
2231         if (win == NULL)
2232                 return;
2233
2234         /* don't unmap again */
2235         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2236                 return;
2237
2238         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2239
2240         xcb_unmap_window(conn, win->id);
2241         xcb_change_window_attributes(conn, win->id,
2242                 XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2243 }
2244
2245 void
2246 unmap_all(void)
2247 {
2248         struct ws_win           *win;
2249         int                     i, j, num_screens;
2250
2251         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2252         for (i = 0; i < num_screens; i++)
2253                 for (j = 0; j < workspace_limit; j++)
2254                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2255                                 unmap_window(win);
2256 }
2257
2258 void
2259 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2260 {
2261         xcb_key_press_event_t   event;
2262         xcb_key_symbols_t       *syms;
2263         xcb_keycode_t           *keycode;
2264
2265         if (win == NULL)
2266                 return;
2267
2268         syms = xcb_key_symbols_alloc(conn);
2269         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2270
2271         event.event = win->id;
2272         event.root = win->s->root;
2273         event.child = XCB_WINDOW_NONE;
2274         event.time = XCB_CURRENT_TIME;
2275         event.event_x = X(win);
2276         event.event_y = Y(win);
2277         event.root_x = 1;
2278         event.root_y = 1;
2279         event.same_screen = True;
2280         event.detail = *keycode;
2281         event.state = modifiers;
2282
2283         event.response_type = XCB_KEY_PRESS;
2284         xcb_send_event(conn, True, win->id,
2285                  XCB_EVENT_MASK_KEY_PRESS, (char *)&event);
2286
2287         event.response_type = XCB_KEY_RELEASE;
2288         xcb_send_event(conn, True, win->id,
2289                 XCB_EVENT_MASK_KEY_RELEASE, (char *)&event);
2290         xcb_flush(conn);
2291
2292         xcb_key_symbols_free(syms);
2293 }
2294
2295 void
2296 restart(struct swm_region *r, union arg *args)
2297 {
2298         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2299
2300         /* disable alarm because the following code may not be interrupted */
2301         alarm(0);
2302         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2303                 err(1, "can't disable alarm");
2304
2305         bar_extra_stop();
2306         bar_extra = 1;
2307         unmap_all();
2308         xcb_flush(conn);
2309         xcb_disconnect(conn);
2310
2311         execvp(start_argv[0], start_argv);
2312         warn("execvp failed");
2313         quit(NULL, NULL);
2314 }
2315
2316 struct swm_region *
2317 root_to_region(xcb_window_t root)
2318 {
2319         struct swm_region       *r = NULL;
2320         int                     i, num_screens;
2321         xcb_query_pointer_reply_t       *qpr;
2322
2323         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2324
2325         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2326         for (i = 0; i < num_screens; i++)
2327                 if (screens[i].root == root)
2328                         break;
2329
2330         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2331                 screens[i].root), NULL);
2332
2333         if (qpr) {
2334                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2335                     qpr->root_x, qpr->root_y);
2336                 /* choose a region based on pointer location */
2337                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2338                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2339                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2340                                 break;
2341                 free(qpr);
2342         }
2343
2344         if (r == NULL)
2345                 r = TAILQ_FIRST(&screens[i].rl);
2346
2347         return (r);
2348 }
2349
2350 struct ws_win *
2351 find_unmanaged_window(xcb_window_t id)
2352 {
2353         struct ws_win           *win;
2354         int                     i, j, num_screens;
2355
2356         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2357         for (i = 0; i < num_screens; i++)
2358                 for (j = 0; j < workspace_limit; j++)
2359                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2360                             entry)
2361                                 if (id == win->id)
2362                                         return (win);
2363         return (NULL);
2364 }
2365
2366 struct ws_win *
2367 find_window(xcb_window_t id)
2368 {
2369         struct ws_win           *win;
2370         int                     i, j, num_screens;
2371         xcb_query_tree_cookie_t c;
2372         xcb_query_tree_reply_t  *r;
2373
2374         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2375         for (i = 0; i < num_screens; i++)
2376                 for (j = 0; j < workspace_limit; j++)
2377                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2378                                 if (id == win->id)
2379                                         return (win);
2380
2381         c = xcb_query_tree(conn, id);
2382         r = xcb_query_tree_reply(conn, c, NULL);
2383         if (!r)
2384                 return (NULL);
2385
2386         /* if we were looking for the parent return that window instead */
2387         if (r->parent == 0 || r->root == r->parent)
2388                 return (NULL);
2389
2390         /* look for parent */
2391         for (i = 0; i < num_screens; i++)
2392                 for (j = 0; j < workspace_limit; j++)
2393                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2394                                 if (r->parent == win->id) {
2395                                         free(r);
2396                                         return (win);
2397                                 }
2398
2399         free(r);
2400         return (NULL);
2401 }
2402
2403 void
2404 spawn(int ws_idx, union arg *args, int close_fd)
2405 {
2406         int                     fd;
2407         char                    *ret = NULL;
2408
2409         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2410
2411         if (display)
2412                 close(xcb_get_file_descriptor(conn));
2413
2414         setenv("LD_PRELOAD", SWM_LIB, 1);
2415
2416         if (asprintf(&ret, "%d", ws_idx) == -1) {
2417                 warn("spawn: asprintf SWM_WS");
2418                 _exit(1);
2419         }
2420         setenv("_SWM_WS", ret, 1);
2421         free(ret);
2422         ret = NULL;
2423
2424         if (asprintf(&ret, "%d", getpid()) == -1) {
2425                 warn("spawn: asprintf _SWM_PID");
2426                 _exit(1);
2427         }
2428         setenv("_SWM_PID", ret, 1);
2429         free(ret);
2430         ret = NULL;
2431
2432         if (setsid() == -1) {
2433                 warn("spawn: setsid");
2434                 _exit(1);
2435         }
2436
2437         if (close_fd) {
2438                 /*
2439                  * close stdin and stdout to prevent interaction between apps
2440                  * and the baraction script
2441                  * leave stderr open to record errors
2442                 */
2443                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2444                         warn("spawn: open");
2445                         _exit(1);
2446                 }
2447                 dup2(fd, STDIN_FILENO);
2448                 dup2(fd, STDOUT_FILENO);
2449                 if (fd > 2)
2450                         close(fd);
2451         }
2452
2453         execvp(args->argv[0], args->argv);
2454
2455         warn("spawn: execvp");
2456         _exit(1);
2457 }
2458
2459 void
2460 kill_refs(struct ws_win *win)
2461 {
2462         int                     i, x, num_screens;
2463         struct swm_region       *r;
2464         struct workspace        *ws;
2465
2466         if (win == NULL)
2467                 return;
2468
2469         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2470         for (i = 0; i < num_screens; i++)
2471                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2472                         for (x = 0; x < workspace_limit; x++) {
2473                                 ws = &r->s->ws[x];
2474                                 if (win == ws->focus)
2475                                         ws->focus = NULL;
2476                                 if (win == ws->focus_prev)
2477                                         ws->focus_prev = NULL;
2478                         }
2479 }
2480
2481 int
2482 validate_win(struct ws_win *testwin)
2483 {
2484         struct ws_win           *win;
2485         struct workspace        *ws;
2486         struct swm_region       *r;
2487         int                     i, x, num_screens;
2488
2489         if (testwin == NULL)
2490                 return (0);
2491
2492         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2493         for (i = 0; i < num_screens; i++)
2494                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2495                         for (x = 0; x < workspace_limit; x++) {
2496                                 ws = &r->s->ws[x];
2497                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2498                                         if (win == testwin)
2499                                                 return (0);
2500                         }
2501         return (1);
2502 }
2503
2504 int
2505 validate_ws(struct workspace *testws)
2506 {
2507         struct swm_region       *r;
2508         struct workspace        *ws;
2509         int                     i, x, num_screens;
2510
2511         /* validate all ws */
2512         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2513         for (i = 0; i < num_screens; i++)
2514                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2515                         for (x = 0; x < workspace_limit; x++) {
2516                                 ws = &r->s->ws[x];
2517                                 if (ws == testws)
2518                                         return (0);
2519                         }
2520         return (1);
2521 }
2522
2523 void
2524 unfocus_win(struct ws_win *win)
2525 {
2526         XEvent                  cne;
2527         xcb_window_t            none = XCB_WINDOW_NONE;
2528
2529         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2530
2531         if (win == NULL)
2532                 return;
2533         if (win->ws == NULL)
2534                 return;
2535
2536         if (validate_ws(win->ws))
2537                 return; /* XXX this gets hit with thunderbird, needs fixing */
2538
2539         if (win->ws->r == NULL)
2540                 return;
2541
2542         if (validate_win(win)) {
2543                 kill_refs(win);
2544                 return;
2545         }
2546
2547         if (win->ws->focus == win) {
2548                 win->ws->focus = NULL;
2549                 win->ws->focus_prev = win;
2550         }
2551
2552         if (validate_win(win->ws->focus)) {
2553                 kill_refs(win->ws->focus);
2554                 win->ws->focus = NULL;
2555         }
2556         if (validate_win(win->ws->focus_prev)) {
2557                 kill_refs(win->ws->focus_prev);
2558                 win->ws->focus_prev = NULL;
2559         }
2560
2561         /* drain all previous unfocus events */
2562         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2563                 ;
2564
2565         grabbuttons(win, 0);
2566         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2567                 &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2568         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2569                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2570                 &none);
2571 }
2572
2573 void
2574 unfocus_all(void)
2575 {
2576         struct ws_win           *win;
2577         int                     i, j, num_screens;
2578
2579         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2580
2581         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2582         for (i = 0; i < num_screens; i++)
2583                 for (j = 0; j < workspace_limit; j++)
2584                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2585                                 unfocus_win(win);
2586 }
2587
2588 void
2589 focus_win(struct ws_win *win)
2590 {
2591         XEvent                  cne;
2592         struct ws_win           *cfw = NULL;
2593         xcb_get_input_focus_cookie_t    c;
2594         xcb_get_input_focus_reply_t     *r;
2595         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2596
2597         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2598
2599         if (win == NULL)
2600                 return;
2601         if (win->ws == NULL)
2602                 return;
2603
2604         if (validate_ws(win->ws))
2605                 return; /* XXX this gets hit with thunderbird, needs fixing */
2606
2607         if (validate_win(win)) {
2608                 kill_refs(win);
2609                 return;
2610         }
2611
2612         if (validate_win(win)) {
2613                 kill_refs(win);
2614                 return;
2615         }
2616
2617         c = xcb_get_input_focus(conn);
2618         r = xcb_get_input_focus_reply(conn, c, NULL);
2619         if (r) {
2620                 cur_focus = r->focus;
2621                 free(r);
2622         }
2623         if ((cfw = find_window(cur_focus)) != NULL)
2624                 unfocus_win(cfw);
2625         else {
2626                 /* use larger hammer since the window was killed somehow */
2627                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2628                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2629                                 xcb_change_window_attributes(conn, cfw->id,
2630                                         XCB_CW_BORDER_PIXEL,
2631                                         &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2632         }
2633
2634         win->ws->focus = win;
2635
2636         if (win->ws->r != NULL) {
2637                 /* drain all previous focus events */
2638                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2639                         ;
2640
2641                 if (win->java == 0)
2642                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2643                                 win->id, XCB_CURRENT_TIME);
2644                 grabbuttons(win, 1);
2645                 xcb_change_window_attributes(conn, win->id,
2646                         XCB_CW_BORDER_PIXEL,
2647                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2648                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2649                     win->ws->always_raise)
2650                         map_window_raised(win->id);
2651
2652                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2653                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2654                         &win->id);
2655         }
2656
2657         bar_update();
2658 }
2659
2660 void
2661 switchws(struct swm_region *r, union arg *args)
2662 {
2663         int                     wsid = args->id, unmap_old = 0;
2664         struct swm_region       *this_r, *other_r;
2665         struct ws_win           *win;
2666         struct workspace        *new_ws, *old_ws;
2667         union arg               a;
2668
2669         if (!(r && r->s))
2670                 return;
2671
2672         if (wsid >= workspace_limit)
2673                 return;
2674
2675         this_r = r;
2676         old_ws = this_r->ws;
2677         new_ws = &this_r->s->ws[wsid];
2678
2679         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2680             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2681
2682         if (new_ws == NULL || old_ws == NULL)
2683                 return;
2684         if (new_ws == old_ws)
2685                 return;
2686
2687         other_r = new_ws->r;
2688         if (other_r == NULL) {
2689                 /* the other workspace is hidden, hide this one */
2690                 old_ws->r = NULL;
2691                 unmap_old = 1;
2692         } else {
2693                 /* the other ws is visible in another region, exchange them */
2694                 other_r->ws_prior = new_ws;
2695                 other_r->ws = old_ws;
2696                 old_ws->r = other_r;
2697         }
2698         this_r->ws_prior = old_ws;
2699         this_r->ws = new_ws;
2700         new_ws->r = this_r;
2701
2702         /* this is needed so that we can click on a window after a restart */
2703         unfocus_all();
2704
2705         stack();
2706         a.id = SWM_ARG_ID_FOCUSCUR;
2707         focus(new_ws->r, &a);
2708
2709         /* unmap old windows */
2710         if (unmap_old)
2711                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2712                         unmap_window(win);
2713
2714         if (focus_mode == SWM_FOCUS_DEFAULT)
2715                 drain_enter_notify();
2716 }
2717
2718 void
2719 cyclews(struct swm_region *r, union arg *args)
2720 {
2721         union                   arg a;
2722         struct swm_screen       *s = r->s;
2723         int                     cycle_all = 0;
2724
2725         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2726             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2727
2728         a.id = r->ws->idx;
2729         do {
2730                 switch (args->id) {
2731                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2732                         cycle_all = 1;
2733                         /* FALLTHROUGH */
2734                 case SWM_ARG_ID_CYCLEWS_UP:
2735                         if (a.id < workspace_limit - 1)
2736                                 a.id++;
2737                         else
2738                                 a.id = 0;
2739                         break;
2740                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2741                         cycle_all = 1;
2742                         /* FALLTHROUGH */
2743                 case SWM_ARG_ID_CYCLEWS_DOWN:
2744                         if (a.id > 0)
2745                                 a.id--;
2746                         else
2747                                 a.id = workspace_limit - 1;
2748                         break;
2749                 default:
2750                         return;
2751                 };
2752
2753                 if (!cycle_all &&
2754                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2755                         continue;
2756                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2757                         continue;
2758
2759                 switchws(r, &a);
2760         } while (a.id != r->ws->idx);
2761 }
2762
2763 void
2764 priorws(struct swm_region *r, union arg *args)
2765 {
2766         union arg               a;
2767
2768         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2769             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2770
2771         if (r->ws_prior == NULL)
2772                 return;
2773
2774         a.id = r->ws_prior->idx;
2775         switchws(r, &a);
2776 }
2777
2778 void
2779 cyclescr(struct swm_region *r, union arg *args)
2780 {
2781         struct swm_region       *rr = NULL;
2782         union arg               a;
2783         int                     i, x, y, num_screens;
2784
2785         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2786         /* do nothing if we don't have more than one screen */
2787         if (!(num_screens > 1 || outputs > 1))
2788                 return;
2789
2790         i = r->s->idx;
2791         switch (args->id) {
2792         case SWM_ARG_ID_CYCLESC_UP:
2793                 rr = TAILQ_NEXT(r, entry);
2794                 if (rr == NULL)
2795                         rr = TAILQ_FIRST(&screens[i].rl);
2796                 break;
2797         case SWM_ARG_ID_CYCLESC_DOWN:
2798                 rr = TAILQ_PREV(r, swm_region_list, entry);
2799                 if (rr == NULL)
2800                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2801                 break;
2802         default:
2803                 return;
2804         };
2805         if (rr == NULL)
2806                 return;
2807
2808         /* move mouse to region */
2809         x = X(rr) + 1;
2810         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2811         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2812                 x, y);
2813
2814         a.id = SWM_ARG_ID_FOCUSCUR;
2815         focus(rr, &a);
2816
2817         if (rr->ws->focus) {
2818                 /* move to focus window */
2819                 x = X(rr->ws->focus) + 1;
2820                 y = Y(rr->ws->focus) + 1;
2821                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2822                         0, x, y);
2823         }
2824 }
2825
2826 void
2827 sort_windows(struct ws_win_list *wl)
2828 {
2829         struct ws_win           *win, *parent, *nxt;
2830
2831         if (wl == NULL)
2832                 return;
2833
2834         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2835                 nxt = TAILQ_NEXT(win, entry);
2836                 if (win->transient) {
2837                         parent = find_window(win->transient);
2838                         if (parent == NULL) {
2839                                 warnx("not possible bug");
2840                                 continue;
2841                         }
2842                         TAILQ_REMOVE(wl, win, entry);
2843                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2844                 }
2845         }
2846
2847 }
2848
2849 void
2850 swapwin(struct swm_region *r, union arg *args)
2851 {
2852         struct ws_win           *target, *source;
2853         struct ws_win           *cur_focus;
2854         struct ws_win_list      *wl;
2855
2856
2857         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2858             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2859
2860         cur_focus = r->ws->focus;
2861         if (cur_focus == NULL)
2862                 return;
2863
2864         source = cur_focus;
2865         wl = &source->ws->winlist;
2866
2867         switch (args->id) {
2868         case SWM_ARG_ID_SWAPPREV:
2869                 if (source->transient)
2870                         source = find_window(source->transient);
2871                 target = TAILQ_PREV(source, ws_win_list, entry);
2872                 if (target && target->transient)
2873                         target = find_window(target->transient);
2874                 TAILQ_REMOVE(wl, source, entry);
2875                 if (target == NULL)
2876                         TAILQ_INSERT_TAIL(wl, source, entry);
2877                 else
2878                         TAILQ_INSERT_BEFORE(target, source, entry);
2879                 break;
2880         case SWM_ARG_ID_SWAPNEXT:
2881                 target = TAILQ_NEXT(source, entry);
2882                 /* move the parent and let the sort handle the move */
2883                 if (source->transient)
2884                         source = find_window(source->transient);
2885                 TAILQ_REMOVE(wl, source, entry);
2886                 if (target == NULL)
2887                         TAILQ_INSERT_HEAD(wl, source, entry);
2888                 else
2889                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2890                 break;
2891         case SWM_ARG_ID_SWAPMAIN:
2892                 target = TAILQ_FIRST(wl);
2893                 if (target == source) {
2894                         if (source->ws->focus_prev != NULL &&
2895                             source->ws->focus_prev != target)
2896                                 source = source->ws->focus_prev;
2897                         else
2898                                 return;
2899                 }
2900                 if (target == NULL || source == NULL)
2901                         return;
2902                 source->ws->focus_prev = target;
2903                 TAILQ_REMOVE(wl, target, entry);
2904                 TAILQ_INSERT_BEFORE(source, target, entry);
2905                 TAILQ_REMOVE(wl, source, entry);
2906                 TAILQ_INSERT_HEAD(wl, source, entry);
2907                 break;
2908         case SWM_ARG_ID_MOVELAST:
2909                 TAILQ_REMOVE(wl, source, entry);
2910                 TAILQ_INSERT_TAIL(wl, source, entry);
2911                 break;
2912         default:
2913                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2914                 return;
2915         }
2916
2917         sort_windows(wl);
2918
2919         stack();
2920 }
2921
2922 void
2923 focus_prev(struct ws_win *win)
2924 {
2925         struct ws_win           *winfocus = NULL;
2926         struct ws_win           *cur_focus = NULL;
2927         struct ws_win_list      *wl = NULL;
2928         struct workspace        *ws = NULL;
2929
2930         if (!(win && win->ws))
2931                 return;
2932
2933         ws = win->ws;
2934         wl = &ws->winlist;
2935         cur_focus = ws->focus;
2936
2937         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2938             WINID(win), WINID(cur_focus));
2939
2940         /* pickle, just focus on whatever */
2941         if (cur_focus == NULL) {
2942                 /* use prev_focus if valid */
2943                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2944                     find_window(WINID(ws->focus_prev)))
2945                         winfocus = ws->focus_prev;
2946                 goto done;
2947         }
2948
2949         /* if transient focus on parent */
2950         if (cur_focus->transient) {
2951                 winfocus = find_window(cur_focus->transient);
2952                 goto done;
2953         }
2954
2955         /* if in max_stack try harder */
2956         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2957             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2958                 if (cur_focus != ws->focus_prev)
2959                         winfocus = ws->focus_prev;
2960                 else
2961                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2962                 if (winfocus)
2963                         goto done;
2964         }
2965
2966         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2967
2968         if (winfocus == NULL || winfocus == win) {
2969                 switch (focus_close) {
2970                 case SWM_STACK_BOTTOM:
2971                         winfocus = TAILQ_FIRST(wl);
2972                         break;
2973                 case SWM_STACK_TOP:
2974                         winfocus = TAILQ_LAST(wl, ws_win_list);
2975                         break;
2976                 case SWM_STACK_ABOVE:
2977                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2978                                 if (focus_close_wrap)
2979                                         winfocus = TAILQ_FIRST(wl);
2980                                 else
2981                                         winfocus = TAILQ_PREV(cur_focus,
2982                                             ws_win_list, entry);
2983                         }
2984                         break;
2985                 case SWM_STACK_BELOW:
2986                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2987                             entry)) == NULL) {
2988                                 if (focus_close_wrap)
2989                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2990                                 else
2991                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2992                         }
2993                         break;
2994                 }
2995         }
2996 done:
2997         if (winfocus == NULL) {
2998                 if (focus_default == SWM_STACK_TOP)
2999                         winfocus = TAILQ_LAST(wl, ws_win_list);
3000                 else
3001                         winfocus = TAILQ_FIRST(wl);
3002         }
3003
3004         kill_refs(win);
3005         focus_magic(winfocus);
3006 }
3007
3008 void
3009 focus(struct swm_region *r, union arg *args)
3010 {
3011         struct ws_win           *winfocus = NULL, *head;
3012         struct ws_win           *cur_focus = NULL;
3013         struct ws_win_list      *wl = NULL;
3014         struct workspace        *ws = NULL;
3015         int                     all_iconics;
3016
3017         if (!(r && r->ws))
3018                 return;
3019
3020         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3021
3022         /* treat FOCUS_CUR special */
3023         if (args->id == SWM_ARG_ID_FOCUSCUR) {
3024                 if (r->ws->focus && r->ws->focus->iconic == 0)
3025                         winfocus = r->ws->focus;
3026                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
3027                         winfocus = r->ws->focus_prev;
3028                 else
3029                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3030                                 if (winfocus->iconic == 0)
3031                                         break;
3032
3033                 focus_magic(winfocus);
3034                 return;
3035         }
3036
3037         if ((cur_focus = r->ws->focus) == NULL)
3038                 return;
3039         ws = r->ws;
3040         wl = &ws->winlist;
3041         if (TAILQ_EMPTY(wl))
3042                 return;
3043         /* make sure there is at least one uniconified window */
3044         all_iconics = 1;
3045         TAILQ_FOREACH(winfocus, wl, entry)
3046                 if (winfocus->iconic == 0) {
3047                         all_iconics = 0;
3048                         break;
3049                 }
3050         if (all_iconics)
3051                 return;
3052
3053         switch (args->id) {
3054         case SWM_ARG_ID_FOCUSPREV:
3055                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3056                 if (head == NULL)
3057                         head = TAILQ_LAST(wl, ws_win_list);
3058                 winfocus = head;
3059                 if (WINID(winfocus) == cur_focus->transient) {
3060                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3061                         if (head == NULL)
3062                                 head = TAILQ_LAST(wl, ws_win_list);
3063                         winfocus = head;
3064                 }
3065
3066                 /* skip iconics */
3067                 if (winfocus && winfocus->iconic) {
3068                         while (winfocus != cur_focus) {
3069                                 if (winfocus == NULL)
3070                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3071                                 if (winfocus->iconic == 0)
3072                                         break;
3073                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3074                                     entry);
3075                         }
3076                 }
3077                 break;
3078
3079         case SWM_ARG_ID_FOCUSNEXT:
3080                 head = TAILQ_NEXT(cur_focus, entry);
3081                 if (head == NULL)
3082                         head = TAILQ_FIRST(wl);
3083                 winfocus = head;
3084
3085                 /* skip iconics */
3086                 if (winfocus && winfocus->iconic) {
3087                         while (winfocus != cur_focus) {
3088                                 if (winfocus == NULL)
3089                                         winfocus = TAILQ_FIRST(wl);
3090                                 if (winfocus->iconic == 0)
3091                                         break;
3092                                 winfocus = TAILQ_NEXT(winfocus, entry);
3093                         }
3094                 }
3095                 break;
3096
3097         case SWM_ARG_ID_FOCUSMAIN:
3098                 winfocus = TAILQ_FIRST(wl);
3099                 if (winfocus == cur_focus)
3100                         winfocus = cur_focus->ws->focus_prev;
3101                 break;
3102
3103         default:
3104                 return;
3105         }
3106
3107         focus_magic(winfocus);
3108 }
3109
3110 void
3111 cycle_layout(struct swm_region *r, union arg *args)
3112 {
3113         struct workspace        *ws = r->ws;
3114         union arg               a;
3115
3116         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3117
3118         ws->cur_layout++;
3119         if (ws->cur_layout->l_stack == NULL)
3120                 ws->cur_layout = &layouts[0];
3121
3122         stack();
3123         if (focus_mode == SWM_FOCUS_DEFAULT)
3124                 drain_enter_notify();
3125         a.id = SWM_ARG_ID_FOCUSCUR;
3126         focus(r, &a);
3127 }
3128
3129 void
3130 stack_config(struct swm_region *r, union arg *args)
3131 {
3132         struct workspace        *ws = r->ws;
3133
3134         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3135             args->id, ws->idx);
3136
3137         if (ws->cur_layout->l_config != NULL)
3138                 ws->cur_layout->l_config(ws, args->id);
3139
3140         if (args->id != SWM_ARG_ID_STACKINIT)
3141                 stack();
3142         bar_update();
3143 }
3144
3145 void
3146 stack(void) {
3147         struct swm_geometry     g;
3148         struct swm_region       *r;
3149         int                     i, num_screens;
3150 #ifdef SWM_DEBUG
3151         int j;
3152 #endif
3153
3154         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3155
3156         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3157         for (i = 0; i < num_screens; i++) {
3158 #ifdef SWM_DEBUG
3159                 j = 0;
3160 #endif
3161                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3162                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3163                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3164
3165                         /* start with screen geometry, adjust for bar */
3166                         g = r->g;
3167                         g.w -= 2 * border_width;
3168                         g.h -= 2 * border_width;
3169                         if (bar_enabled) {
3170                                 if (!bar_at_bottom)
3171                                         g.y += bar_height;
3172                                 g.h -= bar_height;
3173                         }
3174                         r->ws->cur_layout->l_stack(r->ws, &g);
3175                         r->ws->cur_layout->l_string(r->ws);
3176                         /* save r so we can track region changes */
3177                         r->ws->old_r = r;
3178                 }
3179         }
3180         if (font_adjusted)
3181                 font_adjusted--;
3182
3183         if (focus_mode == SWM_FOCUS_DEFAULT)
3184                 drain_enter_notify();
3185
3186         DNPRINTF(SWM_D_STACK, "stack: end\n");
3187 }
3188
3189 void
3190 store_float_geom(struct ws_win *win, struct swm_region *r)
3191 {
3192         /* retain window geom and region geom */
3193         win->g_float = win->g;
3194         win->g_float.x -= X(r);
3195         win->g_float.y -= Y(r);
3196         win->g_floatvalid = 1;
3197         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3198             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3199             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3200             win->g_float.w, win->g_float.h);
3201 }
3202
3203 void
3204 stack_floater(struct ws_win *win, struct swm_region *r)
3205 {
3206         if (win == NULL)
3207                 return;
3208
3209         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3210
3211         /*
3212          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3213          * geom on ws switches or return from max mode
3214          */
3215         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3216             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3217                 /* refloat at last floating relative position */
3218                 win->g = win->g_float;
3219                 X(win) += X(r);
3220                 Y(win) += Y(r);
3221         }
3222
3223         win->floatmaxed = 0;
3224
3225         /*
3226          * if set to fullscreen mode, configure window to maximum size.
3227          */
3228         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3229                 if (!win->g_floatvalid)
3230                         store_float_geom(win, win->ws->r);
3231
3232                 win->g = win->ws->r->g;
3233         }
3234
3235         /*
3236          * remove border on fullscreen floater when in fullscreen mode or when
3237          * the quirk is present.
3238          */
3239         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3240             ((win->quirks & SWM_Q_FULLSCREEN) &&
3241              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3242                 if (win->bordered) {
3243                         win->bordered = 0;
3244                         X(win) += border_width;
3245                         Y(win) += border_width;
3246                 }
3247         } else if (!win->bordered) {
3248                 win->bordered = 1;
3249                 X(win) -= border_width;
3250                 Y(win) -= border_width;
3251         }
3252
3253         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3254                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3255                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3256         }
3257
3258         if (!win->manual) {
3259                 /*
3260                  * floaters and transients are auto-centred unless moved
3261                  * or resized
3262                  */
3263                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3264                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3265         }
3266
3267         /* keep window within region bounds */
3268         constrain_window(win, r, 0);
3269
3270         update_window(win);
3271 }
3272
3273 /*
3274  * Send keystrokes to terminal to decrease/increase the font size as the
3275  * window size changes.
3276  */
3277 void
3278 adjust_font(struct ws_win *win)
3279 {
3280         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3281             win->floating || win->transient)
3282                 return;
3283
3284         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3285             WIDTH(win) / win->sh.width_inc < term_width &&
3286             win->font_steps < SWM_MAX_FONT_STEPS) {
3287                 win->font_size_boundary[win->font_steps] =
3288                     (win->sh.width_inc * term_width) + win->sh.base_width;
3289                 win->font_steps++;
3290                 font_adjusted++;
3291                 win->last_inc = win->sh.width_inc;
3292                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3293         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3294             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3295                 win->font_steps--;
3296                 font_adjusted++;
3297                 win->last_inc = win->sh.width_inc;
3298                 fake_keypress(win, XK_KP_Add, ShiftMask);
3299         }
3300 }
3301
3302 #define SWAPXY(g)       do {                            \
3303         int tmp;                                        \
3304         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3305         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3306 } while (0)
3307 void
3308 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3309 {
3310         struct swm_geometry     win_g, r_g = *g;
3311         struct ws_win           *win, *fs_win = NULL;
3312         int                     i, j, s, stacks;
3313         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3314         int                     hrh, extra = 0, h_slice, last_h = 0;
3315         int                     split, colno, winno, mwin, msize, mscale;
3316         int                     remain, missing, v_slice, reconfigure;
3317         int                     bordered = 1;
3318         xcb_get_window_attributes_reply_t *war;
3319
3320         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3321             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3322
3323         winno = count_win(ws, 0);
3324         if (winno == 0 && count_win(ws, 1) == 0)
3325                 return;
3326
3327         TAILQ_FOREACH(win, &ws->winlist, entry)
3328                 if (win->transient == 0 && win->floating == 0
3329                     && win->iconic == 0)
3330                         break;
3331
3332         if (win == NULL)
3333                 goto notiles;
3334
3335         if (rot) {
3336                 w_inc = win->sh.width_inc;
3337                 w_base = win->sh.base_width;
3338                 mwin = ws->l_state.horizontal_mwin;
3339                 mscale = ws->l_state.horizontal_msize;
3340                 stacks = ws->l_state.horizontal_stacks;
3341                 SWAPXY(&r_g);
3342         } else {
3343                 w_inc = win->sh.height_inc;
3344                 w_base = win->sh.base_height;
3345                 mwin = ws->l_state.vertical_mwin;
3346                 mscale = ws->l_state.vertical_msize;
3347                 stacks = ws->l_state.vertical_stacks;
3348         }
3349         win_g = r_g;
3350
3351         if (stacks > winno - mwin)
3352                 stacks = winno - mwin;
3353         if (stacks < 1)
3354                 stacks = 1;
3355
3356         h_slice = r_g.h / SWM_H_SLICE;
3357         if (mwin && winno > mwin) {
3358                 v_slice = r_g.w / SWM_V_SLICE;
3359
3360                 split = mwin;
3361                 colno = split;
3362                 win_g.w = v_slice * mscale;
3363
3364                 if (w_inc > 1 && w_inc < v_slice) {
3365                         /* adjust for window's requested size increment */
3366                         remain = (win_g.w - w_base) % w_inc;
3367                         win_g.w -= remain;
3368                 }
3369
3370                 msize = win_g.w;
3371                 if (flip)
3372                         win_g.x += r_g.w - msize;
3373         } else {
3374                 msize = -2;
3375                 colno = split = winno / stacks;
3376                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3377                     2 * border_width) / stacks);
3378         }
3379         hrh = r_g.h / colno;
3380         extra = r_g.h - (colno * hrh);
3381         win_g.h = hrh - 2 * border_width;
3382
3383         /*  stack all the tiled windows */
3384         i = j = 0, s = stacks;
3385         TAILQ_FOREACH(win, &ws->winlist, entry) {
3386                 if (win->transient != 0 || win->floating != 0)
3387                         continue;
3388                 if (win->iconic != 0)
3389                         continue;
3390
3391                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3392                         fs_win = win;
3393                         continue;
3394                 }
3395
3396                 if (split && i == split) {
3397                         colno = (winno - mwin) / stacks;
3398                         if (s <= (winno - mwin) % stacks)
3399                                 colno++;
3400                         split = split + colno;
3401                         hrh = (r_g.h / colno);
3402                         extra = r_g.h - (colno * hrh);
3403                         if (flip)
3404                                 win_g.x = r_g.x;
3405                         else
3406                                 win_g.x += win_g.w + 2 * border_width;
3407                         win_g.w = (r_g.w - msize -
3408                             (stacks * 2 * border_width)) / stacks;
3409                         if (s == 1)
3410                                 win_g.w += (r_g.w - msize -
3411                                     (stacks * 2 * border_width)) % stacks;
3412                         s--;
3413                         j = 0;
3414                 }
3415                 win_g.h = hrh - 2 * border_width;
3416                 if (rot) {
3417                         h_inc = win->sh.width_inc;
3418                         h_base = win->sh.base_width;
3419                 } else {
3420                         h_inc = win->sh.height_inc;
3421                         h_base = win->sh.base_height;
3422                 }
3423                 if (j == colno - 1) {
3424                         win_g.h = hrh + extra;
3425                 } else if (h_inc > 1 && h_inc < h_slice) {
3426                         /* adjust for window's requested size increment */
3427                         remain = (win_g.h - h_base) % h_inc;
3428                         missing = h_inc - remain;
3429
3430                         if (missing <= extra || j == 0) {
3431                                 extra -= missing;
3432                                 win_g.h += missing;
3433                         } else {
3434                                 win_g.h -= remain;
3435                                 extra += remain;
3436                         }
3437                 }
3438
3439                 if (j == 0)
3440                         win_g.y = r_g.y;
3441                 else
3442                         win_g.y += last_h + 2 * border_width;
3443
3444                 if (disable_border && bar_enabled == 0 && winno == 1){
3445                         bordered = 0;
3446                         win_g.w += 2 * border_width;
3447                         win_g.h += 2 * border_width;
3448                 } else {
3449                         bordered = 1;
3450                 }
3451                 if (rot) {
3452                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3453                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3454                                 reconfigure = 1;
3455                                 X(win) = win_g.y;
3456                                 Y(win) = win_g.x;
3457                                 WIDTH(win) = win_g.h;
3458                                 HEIGHT(win) = win_g.w;
3459                         }
3460                 } else {
3461                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3462                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3463                                 reconfigure = 1;
3464                                 X(win) = win_g.x;
3465                                 Y(win) = win_g.y;
3466                                 WIDTH(win) = win_g.w;
3467                                 HEIGHT(win) = win_g.h;
3468                         }
3469                 }
3470
3471                 if (bordered != win->bordered) {
3472                         reconfigure = 1;
3473                         win->bordered = bordered;
3474                 }
3475
3476                 if (reconfigure) {
3477                         adjust_font(win);
3478                         update_window(win);
3479                 }
3480
3481                 war = xcb_get_window_attributes_reply(conn,
3482                         xcb_get_window_attributes(conn, win->id),
3483                         NULL);
3484                 if (war) {
3485                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3486                                 map_window_raised(win->id);
3487                         free(war);
3488                 }
3489
3490                 last_h = win_g.h;
3491                 i++;
3492                 j++;
3493         }
3494
3495 notiles:
3496         /* now, stack all the floaters and transients */
3497         TAILQ_FOREACH(win, &ws->winlist, entry) {
3498                 if (win->transient == 0 && win->floating == 0)
3499                         continue;
3500                 if (win->iconic == 1)
3501                         continue;
3502                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3503                         fs_win = win;
3504                         continue;
3505                 }
3506
3507                 stack_floater(win, ws->r);
3508                 map_window_raised(win->id);
3509         }
3510
3511         if (fs_win) {
3512                 stack_floater(fs_win, ws->r);
3513                 map_window_raised(fs_win->id);
3514         }
3515 }
3516
3517 void
3518 vertical_config(struct workspace *ws, int id)
3519 {
3520         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3521             id, ws->idx);
3522
3523         switch (id) {
3524         case SWM_ARG_ID_STACKRESET:
3525         case SWM_ARG_ID_STACKINIT:
3526                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3527                 ws->l_state.vertical_mwin = 1;
3528                 ws->l_state.vertical_stacks = 1;
3529                 break;
3530         case SWM_ARG_ID_MASTERSHRINK:
3531                 if (ws->l_state.vertical_msize > 1)
3532                         ws->l_state.vertical_msize--;
3533                 break;
3534         case SWM_ARG_ID_MASTERGROW:
3535                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3536                         ws->l_state.vertical_msize++;
3537                 break;
3538         case SWM_ARG_ID_MASTERADD:
3539                 ws->l_state.vertical_mwin++;
3540                 break;
3541         case SWM_ARG_ID_MASTERDEL:
3542                 if (ws->l_state.vertical_mwin > 0)
3543                         ws->l_state.vertical_mwin--;
3544                 break;
3545         case SWM_ARG_ID_STACKINC:
3546                 ws->l_state.vertical_stacks++;
3547                 break;
3548         case SWM_ARG_ID_STACKDEC:
3549                 if (ws->l_state.vertical_stacks > 1)
3550                         ws->l_state.vertical_stacks--;
3551                 break;
3552         case SWM_ARG_ID_FLIPLAYOUT:
3553                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3554                 break;
3555         default:
3556                 return;
3557         }
3558 }
3559
3560 void
3561 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3562 {
3563         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3564
3565         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3566 }
3567
3568 void
3569 horizontal_config(struct workspace *ws, int id)
3570 {
3571         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3572
3573         switch (id) {
3574         case SWM_ARG_ID_STACKRESET:
3575         case SWM_ARG_ID_STACKINIT:
3576                 ws->l_state.horizontal_mwin = 1;
3577                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3578                 ws->l_state.horizontal_stacks = 1;
3579                 break;
3580         case SWM_ARG_ID_MASTERSHRINK:
3581                 if (ws->l_state.horizontal_msize > 1)
3582                         ws->l_state.horizontal_msize--;
3583                 break;
3584         case SWM_ARG_ID_MASTERGROW:
3585                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3586                         ws->l_state.horizontal_msize++;
3587                 break;
3588         case SWM_ARG_ID_MASTERADD:
3589                 ws->l_state.horizontal_mwin++;
3590                 break;
3591         case SWM_ARG_ID_MASTERDEL:
3592                 if (ws->l_state.horizontal_mwin > 0)
3593                         ws->l_state.horizontal_mwin--;
3594                 break;
3595         case SWM_ARG_ID_STACKINC:
3596                 ws->l_state.horizontal_stacks++;
3597                 break;
3598         case SWM_ARG_ID_STACKDEC:
3599                 if (ws->l_state.horizontal_stacks > 1)
3600                         ws->l_state.horizontal_stacks--;
3601                 break;
3602         case SWM_ARG_ID_FLIPLAYOUT:
3603                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3604                 break;
3605         default:
3606                 return;
3607         }
3608 }
3609
3610 void
3611 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3612 {
3613         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3614
3615         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3616 }
3617
3618 /* fullscreen view */
3619 void
3620 max_stack(struct workspace *ws, struct swm_geometry *g)
3621 {
3622         struct swm_geometry     gg = *g;
3623         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3624         int                     winno, num_screens;
3625
3626         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3627
3628         if (ws == NULL)
3629                 return;
3630
3631         winno = count_win(ws, 0);
3632         if (winno == 0 && count_win(ws, 1) == 0)
3633                 return;
3634
3635         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3636         TAILQ_FOREACH(win, &ws->winlist, entry) {
3637                 if (win->transient) {
3638                         wintrans = win;
3639                         parent = find_window(win->transient);
3640                         continue;
3641                 }
3642
3643                 if (win->floating && win->floatmaxed == 0 ) {
3644                         /*
3645                          * retain geometry for retrieval on exit from
3646                          * max_stack mode
3647                          */
3648                         store_float_geom(win, ws->r);
3649                         win->floatmaxed = 1;
3650                 }
3651
3652                 /* only reconfigure if necessary */
3653                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3654                     HEIGHT(win) != gg.h) {
3655                         win->g = gg;
3656                         if (bar_enabled){
3657                                 win->bordered = 1;
3658                         } else {
3659                                 win->bordered = 0;
3660                                 WIDTH(win) += 2 * border_width;
3661                                 HEIGHT(win) += 2 * border_width;
3662                         }
3663
3664                         update_window(win);
3665                 }
3666                 /* unmap only if we don't have multi screen */
3667                 if (win != ws->focus)
3668                         if (!(num_screens > 1 || outputs > 1))
3669                                 unmap_window(win);
3670         }
3671
3672         /* put the last transient on top */
3673         if (wintrans) {
3674                 if (parent)
3675                         map_window_raised(parent->id);
3676                 stack_floater(wintrans, ws->r);
3677                 focus_magic(wintrans);
3678         }
3679 }
3680
3681 void
3682 send_to_ws(struct swm_region *r, union arg *args)
3683 {
3684         int                     wsid = args->id;
3685         struct ws_win           *win = NULL, *parent;
3686         struct workspace        *ws, *nws;
3687         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3688         char                    ws_idx_str[SWM_PROPLEN];
3689         union arg               a;
3690
3691         if (wsid >= workspace_limit)
3692                 return;
3693
3694         if (r && r->ws && r->ws->focus)
3695                 win = r->ws->focus;
3696         else
3697                 return;
3698         if (win == NULL)
3699                 return;
3700         if (win->ws->idx == wsid)
3701                 return;
3702
3703         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3704
3705         ws = win->ws;
3706         nws = &win->s->ws[wsid];
3707
3708         a.id = SWM_ARG_ID_FOCUSPREV;
3709         focus(r, &a);
3710         if (win->transient) {
3711                 parent = find_window(win->transient);
3712                 if (parent) {
3713                         unmap_window(parent);
3714                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3715                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3716                         parent->ws = nws;
3717                 }
3718         }
3719         unmap_window(win);
3720         TAILQ_REMOVE(&ws->winlist, win, entry);
3721         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3722         if (TAILQ_EMPTY(&ws->winlist))
3723                 r->ws->focus = NULL;
3724         win->ws = nws;
3725
3726         /* Try to update the window's workspace property */
3727         ws_idx_atom = get_atom_from_string("_SWM_WS");
3728         if (ws_idx_atom &&
3729             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3730                 SWM_PROPLEN) {
3731                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3732                     ws_idx_str);
3733                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3734                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3735                         ws_idx_str);
3736         }
3737
3738         stack();
3739         bar_update();
3740 }
3741
3742 void
3743 pressbutton(struct swm_region *r, union arg *args)
3744 {
3745         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3746         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3747 }
3748
3749 void
3750 raise_toggle(struct swm_region *r, union arg *args)
3751 {
3752         if (r == NULL || r->ws == NULL)
3753                 return;
3754
3755         r->ws->always_raise = !r->ws->always_raise;
3756
3757         /* bring floaters back to top */
3758         if (r->ws->always_raise == 0)
3759                 stack();
3760 }
3761
3762 void
3763 iconify(struct swm_region *r, union arg *args)
3764 {
3765         union arg a;
3766
3767         if (r->ws->focus == NULL)
3768                 return;
3769         unmap_window(r->ws->focus);
3770         update_iconic(r->ws->focus, 1);
3771         stack();
3772         if (focus_mode == SWM_FOCUS_DEFAULT)
3773                 drain_enter_notify();
3774         r->ws->focus = NULL;
3775         a.id = SWM_ARG_ID_FOCUSCUR;
3776         focus(r, &a);
3777 }
3778
3779 char *
3780 get_win_name(xcb_window_t win)
3781 {
3782         char                            *name = NULL;
3783         xcb_get_property_cookie_t       c;
3784         xcb_get_text_property_reply_t   r;
3785
3786         c = xcb_icccm_get_wm_name(conn, win);
3787         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3788                 if (r.name_len > 0) {
3789                         name = malloc(r.name_len + 1);
3790                         if (!name) {
3791                                 xcb_get_text_property_reply_wipe(&r);
3792                                 return (NULL);
3793                         }
3794                         memcpy(name, r.name, r.name_len);
3795                         name[r.name_len] = '\0';
3796                 }
3797                 xcb_get_text_property_reply_wipe(&r);
3798         }
3799
3800         return (name);
3801 }
3802
3803 void
3804 uniconify(struct swm_region *r, union arg *args)
3805 {
3806         struct ws_win           *win;
3807         FILE                    *lfile;
3808         char                    *name;
3809         int                     count = 0;
3810
3811         DNPRINTF(SWM_D_MISC, "uniconify\n");
3812
3813         if (r == NULL || r->ws == NULL)
3814                 return;
3815
3816         /* make sure we have anything to uniconify */
3817         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3818                 if (win->ws == NULL)
3819                         continue; /* should never happen */
3820                 if (win->iconic == 0)
3821                         continue;
3822                 count++;
3823         }
3824         if (count == 0)
3825                 return;
3826
3827         search_r = r;
3828         search_resp_action = SWM_SEARCH_UNICONIFY;
3829
3830         spawn_select(r, args, "search", &searchpid);
3831
3832         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3833                 return;
3834
3835         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3836                 if (win->ws == NULL)
3837                         continue; /* should never happen */
3838                 if (win->iconic == 0)
3839                         continue;
3840
3841                 name = get_win_name(win->id);
3842                 if (name == NULL)
3843                         continue;
3844                 fprintf(lfile, "%s.%u\n", name, win->id);
3845                 free(name);
3846         }
3847
3848         fclose(lfile);
3849 }
3850
3851 void
3852 name_workspace(struct swm_region *r, union arg *args)
3853 {
3854         FILE                    *lfile;
3855
3856         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3857
3858         if (r == NULL)
3859                 return;
3860
3861         search_r = r;
3862         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3863
3864         spawn_select(r, args, "name_workspace", &searchpid);
3865
3866         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3867                 return;
3868
3869         fprintf(lfile, "%s", "");
3870         fclose(lfile);
3871 }
3872
3873 void
3874 search_workspace(struct swm_region *r, union arg *args)
3875 {
3876         int                     i;
3877         struct workspace        *ws;
3878         FILE                    *lfile;
3879
3880         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3881
3882         if (r == NULL)
3883                 return;
3884
3885         search_r = r;
3886         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3887
3888         spawn_select(r, args, "search", &searchpid);
3889
3890         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3891                 return;
3892
3893         for (i = 0; i < workspace_limit; i++) {
3894                 ws = &r->s->ws[i];
3895                 if (ws == NULL)
3896                         continue;
3897                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3898                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3899         }
3900
3901         fclose(lfile);
3902 }
3903
3904 void
3905 search_win_cleanup(void)
3906 {
3907         struct search_window    *sw = NULL;
3908
3909         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3910                 xcb_destroy_window(conn, sw->indicator);
3911                 xcb_free_gc(conn, sw->gc);
3912                 TAILQ_REMOVE(&search_wl, sw, entry);
3913                 free(sw);
3914         }
3915 }
3916
3917 void
3918 search_win(struct swm_region *r, union arg *args)
3919 {
3920         struct ws_win           *win = NULL;
3921         struct search_window    *sw = NULL;
3922         xcb_window_t            w;
3923         uint32_t                gcv[1], wa[2];
3924         int                     i;
3925         char                    s[8];
3926         FILE                    *lfile;
3927         size_t                  len;
3928         XRectangle              ibox, lbox;
3929         xcb_screen_t            *screen;
3930         DNPRINTF(SWM_D_MISC, "search_win\n");
3931
3932         search_r = r;
3933         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3934
3935         spawn_select(r, args, "search", &searchpid);
3936
3937         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3938                 return;
3939
3940         TAILQ_INIT(&search_wl);
3941
3942         i = 1;
3943         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3944                 if (win->iconic == 1)
3945                         continue;
3946
3947                 sw = calloc(1, sizeof(struct search_window));
3948                 if (sw == NULL) {
3949                         warn("search_win: calloc");
3950                         fclose(lfile);
3951                         search_win_cleanup();
3952                         return;
3953                 }
3954                 sw->idx = i;
3955                 sw->win = win;
3956                 screen = get_screen(sw->idx);
3957
3958                 snprintf(s, sizeof s, "%d", i);
3959                 len = strlen(s);
3960
3961                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3962
3963                 w = xcb_generate_id(conn);
3964                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3965                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3966                 xcb_create_window(conn, screen->root_depth, w, win->id,
3967                         0, 0, lbox.width + 4,
3968                         bar_fs_extents->max_logical_extent.height, 1,
3969                         XCB_WINDOW_CLASS_INPUT_OUTPUT, screen->root_visual,
3970                         XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3971
3972                 sw->indicator = w;
3973                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3974
3975                 sw->gc = xcb_generate_id(conn);
3976                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3977                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND, gcv);
3978                 map_window_raised(w);
3979
3980                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3981                     (bar_fs_extents->max_logical_extent.height -
3982                     lbox.height) / 2 - lbox.y, s);
3983
3984                 fprintf(lfile, "%d\n", i);
3985                 i++;
3986         }
3987
3988         fclose(lfile);
3989 }
3990
3991 void
3992 search_resp_uniconify(char *resp, unsigned long len)
3993 {
3994         char                    *name;
3995         struct ws_win           *win;
3996         char                    *s;
3997
3998         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3999
4000         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4001                 if (win->iconic == 0)
4002                         continue;
4003                 name = get_win_name(win->id);
4004                 if (name == NULL)
4005                         continue;
4006                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4007                         free(name);
4008                         continue;
4009                 }
4010                 free(name);
4011                 if (strncmp(s, resp, len) == 0) {
4012                         /* XXX this should be a callback to generalize */
4013                         update_iconic(win, 0);
4014                         free(s);
4015                         break;
4016                 }
4017                 free(s);
4018         }
4019 }
4020
4021 void
4022 search_resp_name_workspace(char *resp, unsigned long len)
4023 {
4024         struct workspace        *ws;
4025
4026         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4027
4028         if (search_r->ws == NULL)
4029                 return;
4030         ws = search_r->ws;
4031
4032         if (ws->name) {
4033                 free(search_r->ws->name);
4034                 search_r->ws->name = NULL;
4035         }
4036
4037         if (len > 1) {
4038                 ws->name = strdup(resp);
4039                 if (ws->name == NULL) {
4040                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4041                             "strdup: %s", strerror(errno));
4042                         return;
4043                 }
4044         }
4045 }
4046
4047 void
4048 search_resp_search_workspace(char *resp, unsigned long len)
4049 {
4050         char                    *p, *q;
4051         int                     ws_idx;
4052         const char              *errstr;
4053         union arg               a;
4054
4055         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4056
4057         q = strdup(resp);
4058         if (!q) {
4059                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4060                     strerror(errno));
4061                 return;
4062         }
4063         p = strchr(q, ':');
4064         if (p != NULL)
4065                 *p = '\0';
4066         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
4067         if (errstr) {
4068                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4069                     errstr, q);
4070                 free(q);
4071                 return;
4072         }
4073         free(q);
4074         a.id = ws_idx - 1;
4075         switchws(search_r, &a);
4076 }
4077
4078 void
4079 search_resp_search_window(char *resp, unsigned long len)
4080 {
4081         char                    *s;
4082         int                     idx;
4083         const char              *errstr;
4084         struct search_window    *sw;
4085
4086         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4087
4088         s = strdup(resp);
4089         if (!s) {
4090                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4091                     strerror(errno));
4092                 return;
4093         }
4094
4095         idx = strtonum(s, 1, INT_MAX, &errstr);
4096         if (errstr) {
4097                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4098                     errstr, s);
4099                 free(s);
4100                 return;
4101         }
4102         free(s);
4103
4104         TAILQ_FOREACH(sw, &search_wl, entry)
4105                 if (idx == sw->idx) {
4106                         focus_win(sw->win);
4107                         break;
4108                 }
4109 }
4110
4111 #define MAX_RESP_LEN    1024
4112
4113 void
4114 search_do_resp(void)
4115 {
4116         ssize_t                 rbytes;
4117         char                    *resp;
4118         unsigned long           len;
4119
4120         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4121
4122         search_resp = 0;
4123         searchpid = 0;
4124
4125         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4126                 warn("search: calloc");
4127                 goto done;
4128         }
4129
4130         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4131         if (rbytes <= 0) {
4132                 warn("search: read error");
4133                 goto done;
4134         }
4135         resp[rbytes] = '\0';
4136
4137         /* XXX:
4138          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4139          * newline, so work around that by sanitizing the resp now.
4140          */
4141         resp[strcspn(resp, "\n")] = '\0';
4142         len = strlen(resp);
4143
4144         switch (search_resp_action) {
4145         case SWM_SEARCH_UNICONIFY:
4146                 search_resp_uniconify(resp, len);
4147                 break;
4148         case SWM_SEARCH_NAME_WORKSPACE:
4149                 search_resp_name_workspace(resp, len);
4150                 break;
4151         case SWM_SEARCH_SEARCH_WORKSPACE:
4152                 search_resp_search_workspace(resp, len);
4153                 break;
4154         case SWM_SEARCH_SEARCH_WINDOW:
4155                 search_resp_search_window(resp, len);
4156                 break;
4157         }
4158
4159 done:
4160         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4161                 search_win_cleanup();
4162
4163         search_resp_action = SWM_SEARCH_NONE;
4164         close(select_resp_pipe[0]);
4165         free(resp);
4166 }
4167
4168 void
4169 wkill(struct swm_region *r, union arg *args)
4170 {
4171         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4172
4173         if (r->ws->focus == NULL)
4174                 return;
4175
4176         if (args->id == SWM_ARG_ID_KILLWINDOW)
4177                 xcb_kill_client(conn, r->ws->focus->id);
4178         else
4179                 if (r->ws->focus->can_delete)
4180                         client_msg(r->ws->focus, adelete);
4181 }
4182
4183
4184 int
4185 floating_toggle_win(struct ws_win *win)
4186 {
4187         struct swm_region       *r;
4188
4189         if (win == NULL)
4190                 return (0);
4191
4192         if (!win->ws->r)
4193                 return (0);
4194
4195         r = win->ws->r;
4196
4197         /* reject floating toggles in max stack mode */
4198         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4199                 return (0);
4200
4201         if (win->floating) {
4202                 if (!win->floatmaxed) {
4203                         /* retain position for refloat */
4204                         store_float_geom(win, r);
4205                 }
4206                 win->floating = 0;
4207         } else {
4208                 if (win->g_floatvalid) {
4209                         /* refloat at last floating relative position */
4210                         X(win) = win->g_float.x + X(r);
4211                         Y(win) = win->g_float.y + Y(r);
4212                         WIDTH(win) = win->g_float.w;
4213                         HEIGHT(win) = win->g_float.h;
4214                 }
4215                 win->floating = 1;
4216         }
4217
4218         ewmh_update_actions(win);
4219
4220         return (1);
4221 }
4222
4223 void
4224 floating_toggle(struct swm_region *r, union arg *args)
4225 {
4226         struct ws_win           *win = r->ws->focus;
4227         union arg               a;
4228
4229         if (win == NULL)
4230                 return;
4231
4232         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4233             _NET_WM_STATE_TOGGLE);
4234
4235         stack();
4236         if (focus_mode == SWM_FOCUS_DEFAULT)
4237                 drain_enter_notify();
4238
4239         if (win == win->ws->focus) {
4240                 a.id = SWM_ARG_ID_FOCUSCUR;
4241                 focus(win->ws->r, &a);
4242         }
4243 }
4244
4245 void
4246 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4247 {
4248         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4249                 if (resizable)
4250                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4251                 else
4252                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4253         }
4254
4255         if (X(win) + BORDER(win) < X(r)) {
4256                 if (resizable)
4257                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4258
4259                 X(win) = X(r) - BORDER(win);
4260         }
4261
4262         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4263                 if (resizable)
4264                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4265                 else
4266                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4267         }
4268
4269         if (Y(win) + BORDER(win) < Y(r)) {
4270                 if (resizable)
4271                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4272
4273                 Y(win) = Y(r) - BORDER(win);
4274         }
4275
4276         if (resizable) {
4277                 if (WIDTH(win) < 1)
4278                         WIDTH(win) = 1;
4279                 if (HEIGHT(win) < 1)
4280                         HEIGHT(win) = 1;
4281         }
4282 }
4283
4284 void
4285 update_window(struct ws_win *win)
4286 {
4287         uint16_t        mask;
4288         uint32_t        wc[5];
4289
4290         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4291                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4292                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4293         wc[0] = X(win);
4294         wc[1] = Y(win);
4295         wc[2] = WIDTH(win);
4296         wc[3] = HEIGHT(win);
4297         wc[4] = BORDER(win);
4298
4299         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4300             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4301             wc[3], YESNO(win->bordered));
4302
4303         xcb_configure_window(conn, win->id, mask, wc);
4304 }
4305
4306 #define SWM_RESIZE_STEPS        (50)
4307
4308 void
4309 resize(struct ws_win *win, union arg *args)
4310 {
4311         XEvent                  ev;
4312         Time                    time = 0;
4313         struct swm_region       *r = NULL;
4314         int                     resize_step = 0;
4315         struct swm_geometry     g;
4316         int                     top = 0, left = 0;
4317         int                     dx, dy;
4318         unsigned int            shape; /* cursor style */
4319         xcb_cursor_t            cursor;
4320         xcb_font_t              cursor_font;
4321         xcb_grab_pointer_reply_t        *gpr;
4322         xcb_query_pointer_reply_t       *xpr;
4323
4324         if (win == NULL)
4325                 return;
4326         r = win->ws->r;
4327
4328         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4329                 return;
4330
4331         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%x, floating: %s, "
4332             "transient: 0x%x\n", win->id, YESNO(win->floating),
4333             win->transient);
4334
4335         if (!(win->transient != 0 || win->floating != 0))
4336                 return;
4337
4338         /* reject resizes in max mode for floaters (transient ok) */
4339         if (win->floatmaxed)
4340                 return;
4341
4342         win->manual = 1;
4343         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4344             _NET_WM_STATE_ADD);
4345
4346         stack();
4347
4348         switch (args->id) {
4349         case SWM_ARG_ID_WIDTHSHRINK:
4350                 WIDTH(win) -= SWM_RESIZE_STEPS;
4351                 resize_step = 1;
4352                 break;
4353         case SWM_ARG_ID_WIDTHGROW:
4354                 WIDTH(win) += SWM_RESIZE_STEPS;
4355                 resize_step = 1;
4356                 break;
4357         case SWM_ARG_ID_HEIGHTSHRINK:
4358                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4359                 resize_step = 1;
4360                 break;
4361         case SWM_ARG_ID_HEIGHTGROW:
4362                 HEIGHT(win) += SWM_RESIZE_STEPS;
4363                 resize_step = 1;
4364                 break;
4365         default:
4366                 break;
4367         }
4368         if (resize_step) {
4369                 constrain_window(win, r, 1);
4370                 update_window(win);
4371                 store_float_geom(win,r);
4372                 return;
4373         }
4374
4375         if (focus_mode == SWM_FOCUS_DEFAULT)
4376                 drain_enter_notify();
4377
4378         /* get cursor offset from window root */
4379         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4380                 NULL);
4381         if (!xpr)
4382                 return;
4383
4384         g = win->g;
4385
4386         if (xpr->win_x < WIDTH(win) / 2)
4387                 left = 1;
4388
4389         if (xpr->win_y < HEIGHT(win) / 2)
4390                 top = 1;
4391
4392         if (args->id == SWM_ARG_ID_CENTER)
4393                 shape = XC_sizing;
4394         else if (top)
4395                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4396         else
4397                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4398
4399         cursor_font = xcb_generate_id(conn);
4400         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4401
4402         cursor = xcb_generate_id(conn);
4403         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4404                 shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4405
4406         gpr = xcb_grab_pointer_reply(conn,
4407                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4408                 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
4409                 cursor, XCB_CURRENT_TIME),
4410                 NULL);
4411         if (!gpr) {
4412                 xcb_free_cursor(conn, cursor);
4413                 xcb_close_font(conn, cursor_font);
4414                 free(xpr);
4415                 return;
4416         }
4417
4418         do {
4419                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4420                     SubstructureRedirectMask, &ev);
4421                 switch (ev.type) {
4422                 case ConfigureRequest:
4423                 case Expose:
4424                 case MapRequest:
4425                         handler[ev.type](&ev);
4426                         break;
4427                 case MotionNotify:
4428                         /* cursor offset/delta from start of the operation */
4429                         dx = ev.xmotion.x_root - xpr->root_x;
4430                         dy = ev.xmotion.y_root - xpr->root_y;
4431
4432                         /* vertical */
4433                         if (top)
4434                                 dy = -dy;
4435
4436                         if (args->id == SWM_ARG_ID_CENTER) {
4437                                 if (g.h / 2 + dy < 1)
4438                                         dy = 1 - g.h / 2;
4439
4440                                 Y(win) = g.y - dy;
4441                                 HEIGHT(win) = g.h + 2 * dy;
4442                         } else {
4443                                 if (g.h + dy < 1)
4444                                         dy = 1 - g.h;
4445
4446                                 if (top)
4447                                         Y(win) = g.y - dy;
4448
4449                                 HEIGHT(win) = g.h + dy;
4450                         }
4451
4452                         /* horizontal */
4453                         if (left)
4454                                 dx = -dx;
4455
4456                         if (args->id == SWM_ARG_ID_CENTER) {
4457                                 if (g.w / 2 + dx < 1)
4458                                         dx = 1 - g.w / 2;
4459
4460                                 X(win) = g.x - dx;
4461                                 WIDTH(win) = g.w + 2 * dx;
4462                         } else {
4463                                 if (g.w + dx < 1)
4464                                         dx = 1 - g.w;
4465
4466                                 if (left)
4467                                         X(win) = g.x - dx;
4468
4469                                 WIDTH(win) = g.w + dx;
4470                         }
4471
4472                         constrain_window(win, r, 1);
4473
4474                         /* not free, don't sync more than 120 times / second */
4475                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4476                                 time = ev.xmotion.time;
4477                                 do_sync();
4478                                 update_window(win);
4479                         }
4480                         break;
4481                 }
4482         } while (ev.type != ButtonRelease);
4483         if (time) {
4484                 do_sync();
4485                 update_window(win);
4486         }
4487         store_float_geom(win,r);
4488
4489         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4490         xcb_free_cursor(conn, cursor);
4491         xcb_close_font(conn, cursor_font);
4492         free(gpr);
4493         free(xpr);
4494
4495         /* drain events */
4496         drain_enter_notify();
4497 }
4498
4499 void
4500 resize_step(struct swm_region *r, union arg *args)
4501 {
4502         struct ws_win           *win = NULL;
4503
4504         if (r && r->ws && r->ws->focus)
4505                 win = r->ws->focus;
4506         else
4507                 return;
4508
4509         resize(win, args);
4510 }
4511
4512 #define SWM_MOVE_STEPS  (50)
4513
4514 void
4515 move(struct ws_win *win, union arg *args)
4516 {
4517         XEvent                  ev;
4518         Time                    time = 0;
4519         int                     move_step = 0;
4520         struct swm_region       *r = NULL;
4521         xcb_font_t                      cursor_font;
4522         xcb_cursor_t                    cursor;
4523         xcb_grab_pointer_reply_t        *gpr;
4524         xcb_query_pointer_reply_t       *qpr;
4525
4526         if (win == NULL)
4527                 return;
4528         r = win->ws->r;
4529
4530         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4531                 return;
4532
4533         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%x, floating: %s, transient: "
4534             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4535
4536         /* in max_stack mode should only move transients */
4537         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4538                 return;
4539
4540         win->manual = 1;
4541         if (win->floating == 0 && !win->transient) {
4542                 store_float_geom(win, r);
4543                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4544                     _NET_WM_STATE_ADD);
4545         }
4546         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4547             _NET_WM_STATE_ADD);
4548
4549         stack();
4550
4551         move_step = 0;
4552         switch (args->id) {
4553         case SWM_ARG_ID_MOVELEFT:
4554                 X(win) -= (SWM_MOVE_STEPS - border_width);
4555                 move_step = 1;
4556                 break;
4557         case SWM_ARG_ID_MOVERIGHT:
4558                 X(win) += (SWM_MOVE_STEPS - border_width);
4559                 move_step = 1;
4560                 break;
4561         case SWM_ARG_ID_MOVEUP:
4562                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4563                 move_step = 1;
4564                 break;
4565         case SWM_ARG_ID_MOVEDOWN:
4566                 Y(win) += (SWM_MOVE_STEPS - border_width);
4567                 move_step = 1;
4568                 break;
4569         default:
4570                 break;
4571         }
4572         if (move_step) {
4573                 constrain_window(win, r, 0);
4574                 update_window(win);
4575                 store_float_geom(win, r);
4576                 return;
4577         }
4578
4579         cursor_font = xcb_generate_id(conn);
4580         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4581
4582         cursor = xcb_generate_id(conn);
4583         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4584                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4585
4586         gpr = xcb_grab_pointer_reply(conn,
4587                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4588                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4589                         XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME),
4590                 NULL);
4591         if (!gpr) {
4592                 xcb_free_cursor(conn, cursor);
4593                 xcb_close_font(conn, cursor_font);
4594                 return;
4595         }
4596
4597         /* get cursor offset from window root */
4598         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4599                 NULL);
4600         if (!qpr) {
4601                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4602                 xcb_free_cursor(conn, cursor);
4603                 xcb_close_font(conn, cursor_font);
4604                 return;
4605         }
4606         do {
4607                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4608                     SubstructureRedirectMask, &ev);
4609                 switch (ev.type) {
4610                 case ConfigureRequest:
4611                 case Expose:
4612                 case MapRequest:
4613                         handler[ev.type](&ev);
4614                         break;
4615                 case MotionNotify:
4616                         X(win) = ev.xmotion.x_root - qpr->win_x - border_width;
4617                         Y(win) = ev.xmotion.y_root - qpr->win_y - border_width;
4618
4619                         constrain_window(win, r, 0);
4620
4621                         /* not free, don't sync more than 120 times / second */
4622                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4623                                 time = ev.xmotion.time;
4624                                 do_sync();
4625                                 update_window(win);
4626                         }
4627                         break;
4628                 }
4629         } while (ev.type != ButtonRelease);
4630         if (time) {
4631                 do_sync();
4632                 update_window(win);
4633         }
4634         store_float_geom(win, r);
4635         free(qpr);
4636         xcb_free_cursor(conn, cursor);
4637         xcb_close_font(conn, cursor_font);
4638         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4639
4640         /* drain events */
4641         drain_enter_notify();
4642 }
4643
4644 void
4645 move_step(struct swm_region *r, union arg *args)
4646 {
4647         struct ws_win           *win = NULL;
4648
4649         if (r && r->ws && r->ws->focus)
4650                 win = r->ws->focus;
4651         else
4652                 return;
4653
4654         if (!(win->transient != 0 || win->floating != 0))
4655                 return;
4656
4657         move(win, args);
4658 }
4659
4660
4661 /* user/key callable function IDs */
4662 enum keyfuncid {
4663         kf_cycle_layout,
4664         kf_flip_layout,
4665         kf_stack_reset,
4666         kf_master_shrink,
4667         kf_master_grow,
4668         kf_master_add,
4669         kf_master_del,
4670         kf_stack_inc,
4671         kf_stack_dec,
4672         kf_swap_main,
4673         kf_focus_next,
4674         kf_focus_prev,
4675         kf_swap_next,
4676         kf_swap_prev,
4677         kf_quit,
4678         kf_restart,
4679         kf_focus_main,
4680         kf_ws_1,
4681         kf_ws_2,
4682         kf_ws_3,
4683         kf_ws_4,
4684         kf_ws_5,
4685         kf_ws_6,
4686         kf_ws_7,
4687         kf_ws_8,
4688         kf_ws_9,
4689         kf_ws_10,
4690         kf_ws_11,
4691         kf_ws_12,
4692         kf_ws_13,
4693         kf_ws_14,
4694         kf_ws_15,
4695         kf_ws_16,
4696         kf_ws_17,
4697         kf_ws_18,
4698         kf_ws_19,
4699         kf_ws_20,
4700         kf_ws_21,
4701         kf_ws_22,
4702         kf_ws_next,
4703         kf_ws_prev,
4704         kf_ws_next_all,
4705         kf_ws_prev_all,
4706         kf_ws_prior,
4707         kf_screen_next,
4708         kf_screen_prev,
4709         kf_mvws_1,
4710         kf_mvws_2,
4711         kf_mvws_3,
4712         kf_mvws_4,
4713         kf_mvws_5,
4714         kf_mvws_6,
4715         kf_mvws_7,
4716         kf_mvws_8,
4717         kf_mvws_9,
4718         kf_mvws_10,
4719         kf_mvws_11,
4720         kf_mvws_12,
4721         kf_mvws_13,
4722         kf_mvws_14,
4723         kf_mvws_15,
4724         kf_mvws_16,
4725         kf_mvws_17,
4726         kf_mvws_18,
4727         kf_mvws_19,
4728         kf_mvws_20,
4729         kf_mvws_21,
4730         kf_mvws_22,
4731         kf_bar_toggle,
4732         kf_wind_kill,
4733         kf_wind_del,
4734         kf_float_toggle,
4735         kf_version,
4736         kf_spawn_custom,
4737         kf_iconify,
4738         kf_uniconify,
4739         kf_raise_toggle,
4740         kf_button2,
4741         kf_width_shrink,
4742         kf_width_grow,
4743         kf_height_shrink,
4744         kf_height_grow,
4745         kf_move_left,
4746         kf_move_right,
4747         kf_move_up,
4748         kf_move_down,
4749         kf_name_workspace,
4750         kf_search_workspace,
4751         kf_search_win,
4752         kf_dumpwins, /* MUST BE LAST */
4753         kf_invalid
4754 };
4755
4756 /* key definitions */
4757 void
4758 dummykeyfunc(struct swm_region *r, union arg *args)
4759 {
4760 };
4761
4762 struct keyfunc {
4763         char                    name[SWM_FUNCNAME_LEN];
4764         void                    (*func)(struct swm_region *r, union arg *);
4765         union arg               args;
4766 } keyfuncs[kf_invalid + 1] = {
4767         /* name                 function        argument */
4768         { "cycle_layout",       cycle_layout,   {0} },
4769         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4770         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4771         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4772         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4773         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4774         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4775         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4776         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4777         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4778         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4779         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4780         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4781         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4782         { "quit",               quit,           {0} },
4783         { "restart",            restart,        {0} },
4784         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4785         { "ws_1",               switchws,       {.id = 0} },
4786         { "ws_2",               switchws,       {.id = 1} },
4787         { "ws_3",               switchws,       {.id = 2} },
4788         { "ws_4",               switchws,       {.id = 3} },
4789         { "ws_5",               switchws,       {.id = 4} },
4790         { "ws_6",               switchws,       {.id = 5} },
4791         { "ws_7",               switchws,       {.id = 6} },
4792         { "ws_8",               switchws,       {.id = 7} },
4793         { "ws_9",               switchws,       {.id = 8} },
4794         { "ws_10",              switchws,       {.id = 9} },
4795         { "ws_11",              switchws,       {.id = 10} },
4796         { "ws_12",              switchws,       {.id = 11} },
4797         { "ws_13",              switchws,       {.id = 12} },
4798         { "ws_14",              switchws,       {.id = 13} },
4799         { "ws_15",              switchws,       {.id = 14} },
4800         { "ws_16",              switchws,       {.id = 15} },
4801         { "ws_17",              switchws,       {.id = 16} },
4802         { "ws_18",              switchws,       {.id = 17} },
4803         { "ws_19",              switchws,       {.id = 18} },
4804         { "ws_20",              switchws,       {.id = 19} },
4805         { "ws_21",              switchws,       {.id = 20} },
4806         { "ws_22",              switchws,       {.id = 21} },
4807         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4808         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4809         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4810         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4811         { "ws_prior",           priorws,        {0} },
4812         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4813         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4814         { "mvws_1",             send_to_ws,     {.id = 0} },
4815         { "mvws_2",             send_to_ws,     {.id = 1} },
4816         { "mvws_3",             send_to_ws,     {.id = 2} },
4817         { "mvws_4",             send_to_ws,     {.id = 3} },
4818         { "mvws_5",             send_to_ws,     {.id = 4} },
4819         { "mvws_6",             send_to_ws,     {.id = 5} },
4820         { "mvws_7",             send_to_ws,     {.id = 6} },
4821         { "mvws_8",             send_to_ws,     {.id = 7} },
4822         { "mvws_9",             send_to_ws,     {.id = 8} },
4823         { "mvws_10",            send_to_ws,     {.id = 9} },
4824         { "mvws_11",            send_to_ws,     {.id = 10} },
4825         { "mvws_12",            send_to_ws,     {.id = 11} },
4826         { "mvws_13",            send_to_ws,     {.id = 12} },
4827         { "mvws_14",            send_to_ws,     {.id = 13} },
4828         { "mvws_15",            send_to_ws,     {.id = 14} },
4829         { "mvws_16",            send_to_ws,     {.id = 15} },
4830         { "mvws_17",            send_to_ws,     {.id = 16} },
4831         { "mvws_18",            send_to_ws,     {.id = 17} },
4832         { "mvws_19",            send_to_ws,     {.id = 18} },
4833         { "mvws_20",            send_to_ws,     {.id = 19} },
4834         { "mvws_21",            send_to_ws,     {.id = 20} },
4835         { "mvws_22",            send_to_ws,     {.id = 21} },
4836         { "bar_toggle",         bar_toggle,     {0} },
4837         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4838         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4839         { "float_toggle",       floating_toggle,{0} },
4840         { "version",            version,        {0} },
4841         { "spawn_custom",       dummykeyfunc,   {0} },
4842         { "iconify",            iconify,        {0} },
4843         { "uniconify",          uniconify,      {0} },
4844         { "raise_toggle",       raise_toggle,   {0} },
4845         { "button2",            pressbutton,    {2} },
4846         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4847         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4848         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4849         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4850         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4851         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4852         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4853         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4854         { "name_workspace",     name_workspace, {0} },
4855         { "search_workspace",   search_workspace,       {0} },
4856         { "search_win",         search_win,     {0} },
4857         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4858         { "invalid key func",   NULL,           {0} },
4859 };
4860 struct key {
4861         RB_ENTRY(key)           entry;
4862         unsigned int            mod;
4863         KeySym                  keysym;
4864         enum keyfuncid          funcid;
4865         char                    *spawn_name;
4866 };
4867 RB_HEAD(key_tree, key);
4868
4869 int
4870 key_cmp(struct key *kp1, struct key *kp2)
4871 {
4872         if (kp1->keysym < kp2->keysym)
4873                 return (-1);
4874         if (kp1->keysym > kp2->keysym)
4875                 return (1);
4876
4877         if (kp1->mod < kp2->mod)
4878                 return (-1);
4879         if (kp1->mod > kp2->mod)
4880                 return (1);
4881
4882         return (0);
4883 }
4884
4885 RB_GENERATE(key_tree, key, entry, key_cmp);
4886 struct key_tree                 keys;
4887
4888 /* mouse */
4889 enum { client_click, root_click };
4890 struct button {
4891         unsigned int            action;
4892         unsigned int            mask;
4893         unsigned int            button;
4894         void                    (*func)(struct ws_win *, union arg *);
4895         union arg               args;
4896 } buttons[] = {
4897           /* action     key             mouse button    func    args */
4898         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4899         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4900         { client_click, MODKEY,         Button1,        move,   {0} },
4901 };
4902
4903 void
4904 update_modkey(unsigned int mod)
4905 {
4906         int                     i;
4907         struct key              *kp;
4908
4909         mod_key = mod;
4910         RB_FOREACH(kp, key_tree, &keys)
4911                 if (kp->mod & ShiftMask)
4912                         kp->mod = mod | ShiftMask;
4913                 else
4914                         kp->mod = mod;
4915
4916         for (i = 0; i < LENGTH(buttons); i++)
4917                 if (buttons[i].mask & ShiftMask)
4918                         buttons[i].mask = mod | ShiftMask;
4919                 else
4920                         buttons[i].mask = mod;
4921 }
4922
4923 /* spawn */
4924 struct spawn_prog {
4925         TAILQ_ENTRY(spawn_prog) entry;
4926         char                    *name;
4927         int                     argc;
4928         char                    **argv;
4929 };
4930 TAILQ_HEAD(spawn_list, spawn_prog);
4931 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4932
4933 int
4934 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4935     char ***ret_args)
4936 {
4937         struct spawn_prog       *prog = NULL;
4938         int                     i;
4939         char                    *ap, **real_args;
4940
4941         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4942
4943         /* find program */
4944         TAILQ_FOREACH(prog, &spawns, entry) {
4945                 if (!strcasecmp(spawn_name, prog->name))
4946                         break;
4947         }
4948         if (prog == NULL) {
4949                 warnx("spawn_custom: program %s not found", spawn_name);
4950                 return (-1);
4951         }
4952
4953         /* make room for expanded args */
4954         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4955                 err(1, "spawn_custom: calloc real_args");
4956
4957         /* expand spawn_args into real_args */
4958         for (i = 0; i < prog->argc; i++) {
4959                 ap = prog->argv[i];
4960                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4961                 if (!strcasecmp(ap, "$bar_border")) {
4962                         if ((real_args[i] =
4963                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4964                             == NULL)
4965                                 err(1,  "spawn_custom border color");
4966                 } else if (!strcasecmp(ap, "$bar_color")) {
4967                         if ((real_args[i] =
4968                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4969                             == NULL)
4970                                 err(1, "spawn_custom bar color");
4971                 } else if (!strcasecmp(ap, "$bar_font")) {
4972                         if ((real_args[i] = strdup(bar_fonts))
4973                             == NULL)
4974                                 err(1, "spawn_custom bar fonts");
4975                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4976                         if ((real_args[i] =
4977                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4978                             == NULL)
4979                                 err(1, "spawn_custom color font");
4980                 } else if (!strcasecmp(ap, "$color_focus")) {
4981                         if ((real_args[i] =
4982                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4983                             == NULL)
4984                                 err(1, "spawn_custom color focus");
4985                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4986                         if ((real_args[i] =
4987                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4988                             == NULL)
4989                                 err(1, "spawn_custom color unfocus");
4990                 } else {
4991                         /* no match --> copy as is */
4992                         if ((real_args[i] = strdup(ap)) == NULL)
4993                                 err(1, "spawn_custom strdup(ap)");
4994                 }
4995                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4996                     real_args[i]);
4997         }
4998
4999 #ifdef SWM_DEBUG
5000         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5001         for (i = 0; i < prog->argc; i++)
5002                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5003         DNPRINTF(SWM_D_SPAWN, "\n");
5004 #endif
5005         *ret_args = real_args;
5006         return (prog->argc);
5007 }
5008
5009 void
5010 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
5011 {
5012         union arg               a;
5013         char                    **real_args;
5014         int                     spawn_argc, i;
5015
5016         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5017                 return;
5018         a.argv = real_args;
5019         if (fork() == 0)
5020                 spawn(r->ws->idx, &a, 1);
5021
5022         for (i = 0; i < spawn_argc; i++)
5023                 free(real_args[i]);
5024         free(real_args);
5025 }
5026
5027 void
5028 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
5029 {
5030         union arg               a;
5031         char                    **real_args;
5032         int                     i, spawn_argc;
5033
5034         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5035                 return;
5036         a.argv = real_args;
5037
5038         if (pipe(select_list_pipe) == -1)
5039                 err(1, "pipe error");
5040         if (pipe(select_resp_pipe) == -1)
5041                 err(1, "pipe error");
5042
5043         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5044                 err(1, "could not disable SIGPIPE");
5045         switch (*pid = fork()) {
5046         case -1:
5047                 err(1, "cannot fork");
5048                 break;
5049         case 0: /* child */
5050                 if (dup2(select_list_pipe[0], 0) == -1)
5051                         err(1, "dup2");
5052                 if (dup2(select_resp_pipe[1], 1) == -1)
5053                         err(1, "dup2");
5054                 close(select_list_pipe[1]);
5055                 close(select_resp_pipe[0]);
5056                 spawn(r->ws->idx, &a, 0);
5057                 break;
5058         default: /* parent */
5059                 close(select_list_pipe[0]);
5060                 close(select_resp_pipe[1]);
5061                 break;
5062         }
5063
5064         for (i = 0; i < spawn_argc; i++)
5065                 free(real_args[i]);
5066         free(real_args);
5067 }
5068
5069 void
5070 spawn_insert(char *name, char *args)
5071 {
5072         char                    *arg, *cp, *ptr;
5073         struct spawn_prog       *sp;
5074
5075         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5076
5077         if ((sp = calloc(1, sizeof *sp)) == NULL)
5078                 err(1, "spawn_insert: malloc");
5079         if ((sp->name = strdup(name)) == NULL)
5080                 err(1, "spawn_insert: strdup");
5081
5082         /* convert the arguments to an argument list */
5083         if ((ptr = cp = strdup(args)) == NULL)
5084                 err(1, "spawn_insert: strdup");
5085         while ((arg = strsep(&ptr, " \t")) != NULL) {
5086                 /* empty field; skip it */
5087                 if (*arg == '\0')
5088                         continue;
5089
5090                 sp->argc++;
5091                 if ((sp->argv = realloc(sp->argv, sp->argc *
5092                     sizeof *sp->argv)) == NULL)
5093                         err(1, "spawn_insert: realloc");
5094                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5095                         err(1, "spawn_insert: strdup");
5096         }
5097         free(cp);
5098
5099         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5100         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5101 }
5102
5103 void
5104 spawn_remove(struct spawn_prog *sp)
5105 {
5106         int                     i;
5107
5108         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5109
5110         TAILQ_REMOVE(&spawns, sp, entry);
5111         for (i = 0; i < sp->argc; i++)
5112                 free(sp->argv[i]);
5113         free(sp->argv);
5114         free(sp->name);
5115         free(sp);
5116
5117         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5118 }
5119
5120 void
5121 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5122 {
5123         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5124
5125         spawn_remove(sp);
5126         spawn_insert(name, args);
5127
5128         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5129 }
5130
5131 void
5132 setspawn(char *name, char *args)
5133 {
5134         struct spawn_prog       *sp;
5135
5136         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5137
5138         if (name == NULL)
5139                 return;
5140
5141         TAILQ_FOREACH(sp, &spawns, entry) {
5142                 if (!strcmp(sp->name, name)) {
5143                         if (*args == '\0')
5144                                 spawn_remove(sp);
5145                         else
5146                                 spawn_replace(sp, name, args);
5147                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5148                         return;
5149                 }
5150         }
5151         if (*args == '\0') {
5152                 warnx("error: setspawn: cannot find program: %s", name);
5153                 return;
5154         }
5155
5156         spawn_insert(name, args);
5157         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5158 }
5159
5160 int
5161 setconfspawn(char *selector, char *value, int flags)
5162 {
5163         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5164
5165         setspawn(selector, value);
5166
5167         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5168         return (0);
5169 }
5170
5171 void
5172 setup_spawn(void)
5173 {
5174         setconfspawn("term",            "xterm",                0);
5175         setconfspawn("spawn_term",      "xterm",                0);
5176         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5177         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5178         setconfspawn("lock",            "xlock",                0);
5179         setconfspawn("initscr",         "initscreen.sh",        0);
5180         setconfspawn("menu",            "dmenu_run"
5181                                         " -fn $bar_font"
5182                                         " -nb $bar_color"
5183                                         " -nf $bar_font_color"
5184                                         " -sb $bar_border"
5185                                         " -sf $bar_color",      0);
5186         setconfspawn("search",          "dmenu"
5187                                         " -i"
5188                                         " -fn $bar_font"
5189                                         " -nb $bar_color"
5190                                         " -nf $bar_font_color"
5191                                         " -sb $bar_border"
5192                                         " -sf $bar_color",      0);
5193         setconfspawn("name_workspace",  "dmenu"
5194                                         " -p Workspace"
5195                                         " -fn $bar_font"
5196                                         " -nb $bar_color"
5197                                         " -nf $bar_font_color"
5198                                         " -sb $bar_border"
5199                                         " -sf $bar_color",      0);
5200 }
5201
5202 /* key bindings */
5203 #define SWM_MODNAME_SIZE        32
5204 #define SWM_KEY_WS              "\n+ \t"
5205 int
5206 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5207 {
5208         char                    *cp, *name;
5209         KeySym                  uks;
5210         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5211         if (mod == NULL || ks == NULL) {
5212                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5213                 return (1);
5214         }
5215         if (keystr == NULL || strlen(keystr) == 0) {
5216                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5217                 return (1);
5218         }
5219         cp = keystr;
5220         *ks = NoSymbol;
5221         *mod = 0;
5222         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5223                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5224                 if (cp)
5225                         cp += (long)strspn(cp, SWM_KEY_WS);
5226                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5227                         *mod |= currmod;
5228                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5229                         *mod |= Mod1Mask;
5230                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5231                         *mod += Mod2Mask;
5232                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5233                         *mod |= Mod3Mask;
5234                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5235                         *mod |= Mod4Mask;
5236                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5237                         *mod |= ShiftMask;
5238                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5239                         *mod |= ControlMask;
5240                 else {
5241                         *ks = XStringToKeysym(name);
5242                         XConvertCase(*ks, ks, &uks);
5243                         if (ks == NoSymbol) {
5244                                 DNPRINTF(SWM_D_KEY,
5245                                     "parsekeys: invalid key %s\n",
5246                                     name);
5247                                 return (1);
5248                         }
5249                 }
5250         }
5251         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5252         return (0);
5253 }
5254
5255 char *
5256 strdupsafe(char *str)
5257 {
5258         if (str == NULL)
5259                 return (NULL);
5260         else
5261                 return (strdup(str));
5262 }
5263
5264 void
5265 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5266 {
5267         struct key              *kp;
5268
5269         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5270             keyfuncs[kfid].name, spawn_name);
5271
5272         if ((kp = malloc(sizeof *kp)) == NULL)
5273                 err(1, "key_insert: malloc");
5274
5275         kp->mod = mod;
5276         kp->keysym = ks;
5277         kp->funcid = kfid;
5278         kp->spawn_name = strdupsafe(spawn_name);
5279         RB_INSERT(key_tree, &keys, kp);
5280
5281         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5282 }
5283
5284 struct key *
5285 key_lookup(unsigned int mod, KeySym ks)
5286 {
5287         struct key              kp;
5288
5289         kp.keysym = ks;
5290         kp.mod = mod;
5291
5292         return (RB_FIND(key_tree, &keys, &kp));
5293 }
5294
5295 void
5296 key_remove(struct key *kp)
5297 {
5298         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5299
5300         RB_REMOVE(key_tree, &keys, kp);
5301         free(kp->spawn_name);
5302         free(kp);
5303
5304         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5305 }
5306
5307 void
5308 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5309     char *spawn_name)
5310 {
5311         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5312             spawn_name);
5313
5314         key_remove(kp);
5315         key_insert(mod, ks, kfid, spawn_name);
5316
5317         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5318 }
5319
5320 void
5321 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5322     char *spawn_name)
5323 {
5324         struct key              *kp;
5325
5326         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5327             keyfuncs[kfid].name, spawn_name);
5328
5329         if ((kp = key_lookup(mod, ks)) != NULL) {
5330                 if (kfid == kf_invalid)
5331                         key_remove(kp);
5332                 else
5333                         key_replace(kp, mod, ks, kfid, spawn_name);
5334                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5335                 return;
5336         }
5337         if (kfid == kf_invalid) {
5338                 warnx("error: setkeybinding: cannot find mod/key combination");
5339                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5340                 return;
5341         }
5342
5343         key_insert(mod, ks, kfid, spawn_name);
5344         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5345 }
5346
5347 int
5348 setconfbinding(char *selector, char *value, int flags)
5349 {
5350         enum keyfuncid          kfid;
5351         unsigned int            mod;
5352         KeySym                  ks;
5353         struct spawn_prog       *sp;
5354         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5355         if (selector == NULL) {
5356                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5357                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5358                         kfid = kf_invalid;
5359                         setkeybinding(mod, ks, kfid, NULL);
5360                         return (0);
5361                 } else
5362                         return (1);
5363         }
5364         /* search by key function name */
5365         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5366                 if (strncasecmp(selector, keyfuncs[kfid].name,
5367                     SWM_FUNCNAME_LEN) == 0) {
5368                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5369                             selector);
5370                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5371                                 setkeybinding(mod, ks, kfid, NULL);
5372                                 return (0);
5373                         } else
5374                                 return (1);
5375                 }
5376         }
5377         /* search by custom spawn name */
5378         TAILQ_FOREACH(sp, &spawns, entry) {
5379                 if (strcasecmp(selector, sp->name) == 0) {
5380                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5381                             selector);
5382                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5383                                 setkeybinding(mod, ks, kf_spawn_custom,
5384                                     sp->name);
5385                                 return (0);
5386                         } else
5387                                 return (1);
5388                 }
5389         }
5390         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5391         return (1);
5392 }
5393
5394 void
5395 setup_keys(void)
5396 {
5397         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5398         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5399         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5400         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5401         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5402         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5403         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5404         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5405         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5406         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5407         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5408         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5409         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5410         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5411         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5412         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5413         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5414         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5415         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5416         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5417         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5418         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5419         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5420         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5421         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5422         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5423         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5424         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5425         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5426         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5427         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5428         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5429         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5430         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5431         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5432         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5433         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5434         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5435         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5436         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5437         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5438         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5439         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5440         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5441         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5442         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5443         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5444         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5445         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5446         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5447         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5448         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5449         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5450         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5451         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5452         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5453         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5454         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5455         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5456         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5457         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5458         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5459         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5460         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5461         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5462         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5463         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5464         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5465         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5466         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5467         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5468         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5469         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5470         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5471         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5472         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5473         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5474         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5475         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5476         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5477         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5478         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5479         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5480         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5481         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5482         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5483         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5484         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5485         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5486         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5487         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5488         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5489         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5490         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5491         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5492         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5493 #ifdef SWM_DEBUG
5494         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5495 #endif
5496 }
5497
5498 void
5499 clear_keys(void)
5500 {
5501         struct key              *kp;
5502
5503         while (RB_EMPTY(&keys) == 0) {
5504                 kp = RB_ROOT(&keys);
5505                 key_remove(kp);
5506         }
5507 }
5508
5509 int
5510 setkeymapping(char *selector, char *value, int flags)
5511 {
5512         char                    keymapping_file[PATH_MAX];
5513         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5514         if (value[0] == '~')
5515                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5516                     pwd->pw_dir, &value[1]);
5517         else
5518                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5519         clear_keys();
5520         /* load new key bindings; if it fails, revert to default bindings */
5521         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5522                 clear_keys();
5523                 setup_keys();
5524         }
5525         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5526         return (0);
5527 }
5528
5529 void
5530 updatenumlockmask(void)
5531 {
5532         unsigned int                            i, j;
5533         xcb_get_modifier_mapping_reply_t        *modmap_r;
5534         xcb_keycode_t                           *modmap, kc;
5535         xcb_key_symbols_t                       *syms;
5536
5537         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5538         numlockmask = 0;
5539
5540         syms = xcb_key_symbols_alloc(conn);
5541         if (!syms)
5542                 return;
5543
5544         modmap_r = xcb_get_modifier_mapping_reply(conn,
5545                 xcb_get_modifier_mapping(conn),
5546                 NULL);
5547         if (modmap_r) {
5548                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5549                 for (i = 0; i < 8; i++) {
5550                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5551                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5552                                         + j];
5553
5554                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5555                                                 XK_Num_Lock)))
5556                                         numlockmask = (1 << i);
5557                         }
5558                 }
5559                 free(modmap_r);
5560         }
5561         xcb_key_symbols_free(syms);
5562 }
5563
5564 void
5565 grabkeys(void)
5566 {
5567         int                     num_screens;
5568         unsigned int            j, k;
5569         KeyCode                 code;
5570         unsigned int            modifiers[] =
5571             { 0, LockMask, numlockmask, numlockmask | LockMask };
5572         struct key              *kp;
5573
5574         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5575         updatenumlockmask();
5576
5577         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5578         for (k = 0; k < num_screens; k++) {
5579                 if (TAILQ_EMPTY(&screens[k].rl))
5580                         continue;
5581                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5582                         XCB_MOD_MASK_ANY);
5583                 RB_FOREACH(kp, key_tree, &keys) {
5584                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5585                                 for (j = 0; j < LENGTH(modifiers); j++)
5586                                         XGrabKey(display, code,
5587                                             kp->mod | modifiers[j],
5588                                             screens[k].root, True,
5589                                             GrabModeAsync, GrabModeAsync);
5590                 }
5591         }
5592 }
5593
5594 void
5595 grabbuttons(struct ws_win *win, int focused)
5596 {
5597         unsigned int            i, j;
5598         unsigned int            modifiers[] =
5599             { 0, LockMask, numlockmask, numlockmask|LockMask };
5600
5601         updatenumlockmask();
5602         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5603                 XCB_BUTTON_MASK_ANY);
5604         if (focused) {
5605                 for (i = 0; i < LENGTH(buttons); i++)
5606                         if (buttons[i].action == client_click)
5607                                 for (j = 0; j < LENGTH(modifiers); j++)
5608                                         xcb_grab_button(conn, False, win->id,
5609                                                 BUTTONMASK,
5610                                                 XCB_GRAB_MODE_ASYNC,
5611                                                 XCB_GRAB_MODE_SYNC,
5612                                                 XCB_WINDOW_NONE,
5613                                                 XCB_CURSOR_NONE,
5614                                                 buttons[i].button,
5615                                                 buttons[i].mask);
5616         } else
5617                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5618                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5619                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5620                         XCB_BUTTON_MASK_ANY);
5621 }
5622
5623 const char *quirkname[] = {
5624         "NONE",         /* config string for "no value" */
5625         "FLOAT",
5626         "TRANSSZ",
5627         "ANYWHERE",
5628         "XTERM_FONTADJ",
5629         "FULLSCREEN",
5630         "FOCUSPREV",
5631 };
5632
5633 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5634 #define SWM_Q_WS                "\n|+ \t"
5635 int
5636 parsequirks(char *qstr, unsigned long *quirk)
5637 {
5638         char                    *cp, *name;
5639         int                     i;
5640
5641         if (quirk == NULL)
5642                 return (1);
5643
5644         cp = qstr;
5645         *quirk = 0;
5646         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5647                 if (cp)
5648                         cp += (long)strspn(cp, SWM_Q_WS);
5649                 for (i = 0; i < LENGTH(quirkname); i++) {
5650                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5651                                 DNPRINTF(SWM_D_QUIRK,
5652                                     "parsequirks: %s\n", name);
5653                                 if (i == 0) {
5654                                         *quirk = 0;
5655                                         return (0);
5656                                 }
5657                                 *quirk |= 1 << (i-1);
5658                                 break;
5659                         }
5660                 }
5661                 if (i >= LENGTH(quirkname)) {
5662                         DNPRINTF(SWM_D_QUIRK,
5663                             "parsequirks: invalid quirk [%s]\n", name);
5664                         return (1);
5665                 }
5666         }
5667         return (0);
5668 }
5669
5670 void
5671 quirk_insert(const char *class, const char *name, unsigned long quirk)
5672 {
5673         struct quirk            *qp;
5674
5675         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5676             quirk);
5677
5678         if ((qp = malloc(sizeof *qp)) == NULL)
5679                 err(1, "quirk_insert: malloc");
5680         if ((qp->class = strdup(class)) == NULL)
5681                 err(1, "quirk_insert: strdup");
5682         if ((qp->name = strdup(name)) == NULL)
5683                 err(1, "quirk_insert: strdup");
5684
5685         qp->quirk = quirk;
5686         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5687
5688         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5689 }
5690
5691 void
5692 quirk_remove(struct quirk *qp)
5693 {
5694         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5695             qp->name, qp->quirk);
5696
5697         TAILQ_REMOVE(&quirks, qp, entry);
5698         free(qp->class);
5699         free(qp->name);
5700         free(qp);
5701
5702         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5703 }
5704
5705 void
5706 quirk_replace(struct quirk *qp, const char *class, const char *name,
5707     unsigned long quirk)
5708 {
5709         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5710             qp->name, qp->quirk);
5711
5712         quirk_remove(qp);
5713         quirk_insert(class, name, quirk);
5714
5715         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5716 }
5717
5718 void
5719 setquirk(const char *class, const char *name, unsigned long quirk)
5720 {
5721         struct quirk            *qp;
5722
5723         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5724            quirk);
5725
5726         TAILQ_FOREACH(qp, &quirks, entry) {
5727                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5728                         if (!quirk)
5729                                 quirk_remove(qp);
5730                         else
5731                                 quirk_replace(qp, class, name, quirk);
5732                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5733                         return;
5734                 }
5735         }
5736         if (!quirk) {
5737                 warnx("error: setquirk: cannot find class/name combination");
5738                 return;
5739         }
5740
5741         quirk_insert(class, name, quirk);
5742         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5743 }
5744
5745 int
5746 setconfquirk(char *selector, char *value, int flags)
5747 {
5748         char                    *cp, *class, *name;
5749         int                     retval;
5750         unsigned long           quirks;
5751         if (selector == NULL)
5752                 return (0);
5753         if ((cp = strchr(selector, ':')) == NULL)
5754                 return (0);
5755         *cp = '\0';
5756         class = selector;
5757         name = cp + 1;
5758         if ((retval = parsequirks(value, &quirks)) == 0)
5759                 setquirk(class, name, quirks);
5760         return (retval);
5761 }
5762
5763 void
5764 setup_quirks(void)
5765 {
5766         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5767         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5768         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5769         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5770         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5771         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5772         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5773         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5774         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5775         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5776         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5777         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5778         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5779 }
5780
5781 /* conf file stuff */
5782 #define SWM_CONF_FILE           "spectrwm.conf"
5783 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5784
5785 enum {
5786         SWM_S_BAR_ACTION,
5787         SWM_S_BAR_AT_BOTTOM,
5788         SWM_S_BAR_BORDER_WIDTH,
5789         SWM_S_BAR_DELAY,
5790         SWM_S_BAR_ENABLED,
5791         SWM_S_BAR_FONT,
5792         SWM_S_BAR_FORMAT,
5793         SWM_S_BAR_JUSTIFY,
5794         SWM_S_BORDER_WIDTH,
5795         SWM_S_CLOCK_ENABLED,
5796         SWM_S_CLOCK_FORMAT,
5797         SWM_S_CYCLE_EMPTY,
5798         SWM_S_CYCLE_VISIBLE,
5799         SWM_S_DIALOG_RATIO,
5800         SWM_S_DISABLE_BORDER,
5801         SWM_S_FOCUS_CLOSE,
5802         SWM_S_FOCUS_CLOSE_WRAP,
5803         SWM_S_FOCUS_DEFAULT,
5804         SWM_S_FOCUS_MODE,
5805         SWM_S_SPAWN_ORDER,
5806         SWM_S_SPAWN_TERM,
5807         SWM_S_SS_APP,
5808         SWM_S_SS_ENABLED,
5809         SWM_S_STACK_ENABLED,
5810         SWM_S_TERM_WIDTH,
5811         SWM_S_TITLE_CLASS_ENABLED,
5812         SWM_S_TITLE_NAME_ENABLED,
5813         SWM_S_URGENT_ENABLED,
5814         SWM_S_VERBOSE_LAYOUT,
5815         SWM_S_WINDOW_NAME_ENABLED,
5816         SWM_S_WORKSPACE_LIMIT
5817 };
5818
5819 int
5820 setconfvalue(char *selector, char *value, int flags)
5821 {
5822         int     i;
5823         char    *b;
5824
5825         switch (flags) {
5826         case SWM_S_BAR_ACTION:
5827                 free(bar_argv[0]);
5828                 if ((bar_argv[0] = strdup(value)) == NULL)
5829                         err(1, "setconfvalue: bar_action");
5830                 break;
5831         case SWM_S_BAR_AT_BOTTOM:
5832                 bar_at_bottom = atoi(value);
5833                 break;
5834         case SWM_S_BAR_BORDER_WIDTH:
5835                 bar_border_width = atoi(value);
5836                 if (bar_border_width < 0)
5837                         bar_border_width = 0;
5838                 break;
5839         case SWM_S_BAR_DELAY:
5840                 bar_delay = atoi(value);
5841                 break;
5842         case SWM_S_BAR_ENABLED:
5843                 bar_enabled = atoi(value);
5844                 break;
5845         case SWM_S_BAR_FONT:
5846                 b = bar_fonts;
5847                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5848                         err(1, "setconfvalue: asprintf: failed to allocate "
5849                                 "memory for bar_fonts.");
5850
5851                 free(b);
5852                 break;
5853         case SWM_S_BAR_FORMAT:
5854                 free(bar_format);
5855                 if ((bar_format = strdup(value)) == NULL)
5856                         err(1, "setconfvalue: bar_format");
5857                 break;
5858         case SWM_S_BAR_JUSTIFY:
5859                 if (!strcmp(value, "left"))
5860                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5861                 else if (!strcmp(value, "center"))
5862                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5863                 else if (!strcmp(value, "right"))
5864                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5865                 else
5866                         errx(1, "invalid bar_justify");
5867                 break;
5868         case SWM_S_BORDER_WIDTH:
5869                 border_width = atoi(value);
5870                 if (border_width < 0)
5871                         border_width = 0;
5872                 break;
5873         case SWM_S_CLOCK_ENABLED:
5874                 clock_enabled = atoi(value);
5875                 break;
5876         case SWM_S_CLOCK_FORMAT:
5877 #ifndef SWM_DENY_CLOCK_FORMAT
5878                 free(clock_format);
5879                 if ((clock_format = strdup(value)) == NULL)
5880                         err(1, "setconfvalue: clock_format");
5881 #endif
5882                 break;
5883         case SWM_S_CYCLE_EMPTY:
5884                 cycle_empty = atoi(value);
5885                 break;
5886         case SWM_S_CYCLE_VISIBLE:
5887                 cycle_visible = atoi(value);
5888                 break;
5889         case SWM_S_DIALOG_RATIO:
5890                 dialog_ratio = atof(value);
5891                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5892                         dialog_ratio = .6;
5893                 break;
5894         case SWM_S_DISABLE_BORDER:
5895                 disable_border = atoi(value);
5896                 break;
5897         case SWM_S_FOCUS_CLOSE:
5898                 if (!strcmp(value, "first"))
5899                         focus_close = SWM_STACK_BOTTOM;
5900                 else if (!strcmp(value, "last"))
5901                         focus_close = SWM_STACK_TOP;
5902                 else if (!strcmp(value, "next"))
5903                         focus_close = SWM_STACK_ABOVE;
5904                 else if (!strcmp(value, "previous"))
5905                         focus_close = SWM_STACK_BELOW;
5906                 else
5907                         errx(1, "focus_close");
5908                 break;
5909         case SWM_S_FOCUS_CLOSE_WRAP:
5910                 focus_close_wrap = atoi(value);
5911                 break;
5912         case SWM_S_FOCUS_DEFAULT:
5913                 if (!strcmp(value, "last"))
5914                         focus_default = SWM_STACK_TOP;
5915                 else if (!strcmp(value, "first"))
5916                         focus_default = SWM_STACK_BOTTOM;
5917                 else
5918                         errx(1, "focus_default");
5919                 break;
5920         case SWM_S_FOCUS_MODE:
5921                 if (!strcmp(value, "default"))
5922                         focus_mode = SWM_FOCUS_DEFAULT;
5923                 else if (!strcmp(value, "follow_cursor"))
5924                         focus_mode = SWM_FOCUS_FOLLOW;
5925                 else if (!strcmp(value, "synergy"))
5926                         focus_mode = SWM_FOCUS_SYNERGY;
5927                 else
5928                         errx(1, "focus_mode");
5929                 break;
5930         case SWM_S_SPAWN_ORDER:
5931                 if (!strcmp(value, "first"))
5932                         spawn_position = SWM_STACK_BOTTOM;
5933                 else if (!strcmp(value, "last"))
5934                         spawn_position = SWM_STACK_TOP;
5935                 else if (!strcmp(value, "next"))
5936                         spawn_position = SWM_STACK_ABOVE;
5937                 else if (!strcmp(value, "previous"))
5938                         spawn_position = SWM_STACK_BELOW;
5939                 else
5940                         errx(1, "spawn_position");
5941                 break;
5942         case SWM_S_SPAWN_TERM:
5943                 setconfspawn("term", value, 0);
5944                 setconfspawn("spawn_term", value, 0);
5945                 break;
5946         case SWM_S_SS_APP:
5947                 break;
5948         case SWM_S_SS_ENABLED:
5949                 ss_enabled = atoi(value);
5950                 break;
5951         case SWM_S_STACK_ENABLED:
5952                 stack_enabled = atoi(value);
5953                 break;
5954         case SWM_S_TERM_WIDTH:
5955                 term_width = atoi(value);
5956                 if (term_width < 0)
5957                         term_width = 0;
5958                 break;
5959         case SWM_S_TITLE_CLASS_ENABLED:
5960                 title_class_enabled = atoi(value);
5961                 break;
5962         case SWM_S_TITLE_NAME_ENABLED:
5963                 title_name_enabled = atoi(value);
5964                 break;
5965         case SWM_S_URGENT_ENABLED:
5966                 urgent_enabled = atoi(value);
5967                 break;
5968         case SWM_S_VERBOSE_LAYOUT:
5969                 verbose_layout = atoi(value);
5970                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5971                         if (verbose_layout)
5972                                 layouts[i].l_string = fancy_stacker;
5973                         else
5974                                 layouts[i].l_string = plain_stacker;
5975                 }
5976                 break;
5977         case SWM_S_WINDOW_NAME_ENABLED:
5978                 window_name_enabled = atoi(value);
5979                 break;
5980         case SWM_S_WORKSPACE_LIMIT:
5981                 workspace_limit = atoi(value);
5982                 if (workspace_limit > SWM_WS_MAX)
5983                         workspace_limit = SWM_WS_MAX;
5984                 else if (workspace_limit < 1)
5985                         workspace_limit = 1;
5986                 break;
5987         default:
5988                 return (1);
5989         }
5990         return (0);
5991 }
5992
5993 int
5994 setconfmodkey(char *selector, char *value, int flags)
5995 {
5996         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5997                 update_modkey(Mod1Mask);
5998         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5999                 update_modkey(Mod2Mask);
6000         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6001                 update_modkey(Mod3Mask);
6002         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6003                 update_modkey(Mod4Mask);
6004         else
6005                 return (1);
6006         return (0);
6007 }
6008
6009 int
6010 setconfcolor(char *selector, char *value, int flags)
6011 {
6012         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6013         return (0);
6014 }
6015
6016 int
6017 setconfregion(char *selector, char *value, int flags)
6018 {
6019         custom_region(value);
6020         return (0);
6021 }
6022
6023 int
6024 setautorun(char *selector, char *value, int flags)
6025 {
6026         int                     ws_id;
6027         char                    s[1024];
6028         char                    *ap, *sp = s;
6029         union arg               a;
6030         int                     argc = 0;
6031         long                    pid;
6032         struct pid_e            *p;
6033
6034         if (getenv("SWM_STARTED"))
6035                 return (0);
6036
6037         bzero(s, sizeof s);
6038         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6039                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6040         ws_id--;
6041         if (ws_id < 0 || ws_id >= workspace_limit)
6042                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6043
6044         /*
6045          * This is a little intricate
6046          *
6047          * If the pid already exists we simply reuse it because it means it was
6048          * used before AND not claimed by manage_window.  We get away with
6049          * altering it in the parent after INSERT because this can not be a race
6050          */
6051         a.argv = NULL;
6052         while ((ap = strsep(&sp, " \t")) != NULL) {
6053                 if (*ap == '\0')
6054                         continue;
6055                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6056                 argc++;
6057                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6058                         err(1, "setautorun: realloc");
6059                 a.argv[argc - 1] = ap;
6060         }
6061
6062         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6063                 err(1, "setautorun: realloc");
6064         a.argv[argc] = NULL;
6065
6066         if ((pid = fork()) == 0) {
6067                 spawn(ws_id, &a, 1);
6068                 /* NOTREACHED */
6069                 _exit(1);
6070         }
6071         free(a.argv);
6072
6073         /* parent */
6074         p = find_pid(pid);
6075         if (p == NULL) {
6076                 p = calloc(1, sizeof *p);
6077                 if (p == NULL)
6078                         return (1);
6079                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6080         }
6081
6082         p->pid = pid;
6083         p->ws = ws_id;
6084
6085         return (0);
6086 }
6087
6088 int
6089 setlayout(char *selector, char *value, int flags)
6090 {
6091         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6092         int                     st = SWM_V_STACK, num_screens;
6093         char                    s[1024];
6094         struct workspace        *ws;
6095
6096         if (getenv("SWM_STARTED"))
6097                 return (0);
6098
6099         bzero(s, sizeof s);
6100         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6101             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6102                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6103                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6104                     "<type>'");
6105         ws_id--;
6106         if (ws_id < 0 || ws_id >= workspace_limit)
6107                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6108
6109         if (!strcasecmp(s, "vertical"))
6110                 st = SWM_V_STACK;
6111         else if (!strcasecmp(s, "vertical_flip")) {
6112                 st = SWM_V_STACK;
6113                 f = 1;
6114         } else if (!strcasecmp(s, "horizontal"))
6115                 st = SWM_H_STACK;
6116         else if (!strcasecmp(s, "horizontal_flip")) {
6117                 st = SWM_H_STACK;
6118                 f = 1;
6119         } else if (!strcasecmp(s, "fullscreen"))
6120                 st = SWM_MAX_STACK;
6121         else
6122                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6123                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6124                     "<type>'");
6125
6126         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6127         for (i = 0; i < num_screens; i++) {
6128                 ws = (struct workspace *)&screens[i].ws;
6129                 ws[ws_id].cur_layout = &layouts[st];
6130
6131                 ws[ws_id].always_raise = raise;
6132                 if (st == SWM_MAX_STACK)
6133                         continue;
6134
6135                 /* master grow */
6136                 for (x = 0; x < abs(mg); x++) {
6137                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6138                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6139                             SWM_ARG_ID_MASTERSHRINK);
6140                         stack();
6141                 }
6142                 /* master add */
6143                 for (x = 0; x < abs(ma); x++) {
6144                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6145                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6146                             SWM_ARG_ID_MASTERDEL);
6147                         stack();
6148                 }
6149                 /* stack inc */
6150                 for (x = 0; x < abs(si); x++) {
6151                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6152                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6153                             SWM_ARG_ID_STACKDEC);
6154                         stack();
6155                 }
6156                 /* Apply flip */
6157                 if (f) {
6158                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6159                             SWM_ARG_ID_FLIPLAYOUT);
6160                         stack();
6161                 }
6162         }
6163
6164         return (0);
6165 }
6166
6167 /* config options */
6168 struct config_option {
6169         char                    *optname;
6170         int                     (*func)(char*, char*, int);
6171         int                     funcflags;
6172 };
6173 struct config_option configopt[] = {
6174         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6175         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6176         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6177         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6178         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6179         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6180         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6181         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6182         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6183         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6184         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6185         { "keyboard_mapping",           setkeymapping,  0 },
6186         { "bind",                       setconfbinding, 0 },
6187         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6188         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6189         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6190         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6191         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6192         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6193         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6194         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6195         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6196         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6197         { "modkey",                     setconfmodkey,  0 },
6198         { "program",                    setconfspawn,   0 },
6199         { "quirk",                      setconfquirk,   0 },
6200         { "region",                     setconfregion,  0 },
6201         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6202         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6203         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6204         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6205         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6206         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6207         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6208         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6209         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6210         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6211         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6212         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6213         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6214         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6215         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6216         { "autorun",                    setautorun,     0 },
6217         { "layout",                     setlayout,      0 },
6218 };
6219
6220
6221 int
6222 conf_load(char *filename, int keymapping)
6223 {
6224         FILE                    *config;
6225         char                    *line, *cp, *optsub, *optval;
6226         size_t                  linelen, lineno = 0;
6227         int                     wordlen, i, optind;
6228         struct config_option    *opt;
6229
6230         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6231
6232         if (filename == NULL) {
6233                 warnx("conf_load: no filename");
6234                 return (1);
6235         }
6236         if ((config = fopen(filename, "r")) == NULL) {
6237                 warn("conf_load: fopen: %s", filename);
6238                 return (1);
6239         }
6240
6241         while (!feof(config)) {
6242                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6243                     == NULL) {
6244                         if (ferror(config))
6245                                 err(1, "%s", filename);
6246                         else
6247                                 continue;
6248                 }
6249                 cp = line;
6250                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6251                 if (cp[0] == '\0') {
6252                         /* empty line */
6253                         free(line);
6254                         continue;
6255                 }
6256                 /* get config option */
6257                 wordlen = strcspn(cp, "=[ \t\n");
6258                 if (wordlen == 0) {
6259                         warnx("%s: line %zd: no option found",
6260                             filename, lineno);
6261                         goto out;
6262                 }
6263                 optind = -1;
6264                 for (i = 0; i < LENGTH(configopt); i++) {
6265                         opt = &configopt[i];
6266                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6267                             strlen(opt->optname) == wordlen) {
6268                                 optind = i;
6269                                 break;
6270                         }
6271                 }
6272                 if (optind == -1) {
6273                         warnx("%s: line %zd: unknown option %.*s",
6274                             filename, lineno, wordlen, cp);
6275                         goto out;
6276                 }
6277                 if (keymapping && strcmp(opt->optname, "bind")) {
6278                         warnx("%s: line %zd: invalid option %.*s",
6279                             filename, lineno, wordlen, cp);
6280                         goto out;
6281                 }
6282                 cp += wordlen;
6283                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6284                 /* get [selector] if any */
6285                 optsub = NULL;
6286                 if (*cp == '[') {
6287                         cp++;
6288                         wordlen = strcspn(cp, "]");
6289                         if (*cp != ']') {
6290                                 if (wordlen == 0) {
6291                                         warnx("%s: line %zd: syntax error",
6292                                             filename, lineno);
6293                                         goto out;
6294                                 }
6295
6296                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6297                                     -1) {
6298                                         warnx("%s: line %zd: unable to allocate"
6299                                             "memory for selector", filename,
6300                                             lineno);
6301                                         goto out;
6302                                 }
6303                         }
6304                         cp += wordlen;
6305                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6306                 }
6307                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6308                 /* get RHS value */
6309                 optval = strdup(cp);
6310                 /* call function to deal with it all */
6311                 if (configopt[optind].func(optsub, optval,
6312                     configopt[optind].funcflags) != 0)
6313                         errx(1, "%s: line %zd: invalid data for %s",
6314                             filename, lineno, configopt[optind].optname);
6315                 free(optval);
6316                 free(optsub);
6317                 free(line);
6318         }
6319
6320         fclose(config);
6321         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6322
6323         return (0);
6324
6325 out:
6326         free(line);
6327         fclose(config);
6328         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6329
6330         return (1);
6331 }
6332
6333 void
6334 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6335 {
6336         struct ws_win           *parent, *w;
6337         struct swm_region       *r;
6338         struct workspace        *ws;
6339         xcb_wm_hints_t          wmh;
6340
6341         parent = find_window(win->transient);
6342         if (parent)
6343                 parent->child_trans = win;
6344         else {
6345                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6346                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6347
6348                 r = root_to_region(win->wa->root);
6349                 ws = r->ws;
6350                 /* parent doen't exist in our window list */
6351                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6352                         if (xcb_icccm_get_wm_hints_reply(conn,
6353                                         xcb_icccm_get_wm_hints(conn, w->id),
6354                                         &wmh, NULL) != 1) {
6355                                 warnx("can't get hints for 0x%x", w->id);
6356                                 continue;
6357                         }
6358
6359                         if (win->hints.window_group != wmh.window_group)
6360                                 continue;
6361
6362                         w->child_trans = win;
6363                         win->transient = w->id;
6364                         *trans = w->id;
6365                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6366                             "transient to 0x%x\n", win->transient);
6367                         break;
6368                 }
6369         }
6370 }
6371
6372 long
6373 window_get_pid(xcb_window_t win)
6374 {
6375         long                            ret = 0;
6376         const char                      *errstr;
6377         xcb_atom_t                      apid;
6378         xcb_get_property_cookie_t       pc;
6379         xcb_get_property_reply_t        *pr;
6380
6381         apid = get_atom_from_string("_NET_WM_PID");
6382         if (apid == XCB_ATOM_NONE)
6383                 goto tryharder;
6384
6385         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6386         pr = xcb_get_property_reply(conn, pc, NULL);
6387         if (!pr)
6388                 goto tryharder;
6389         if (pr->type != XCB_ATOM_CARDINAL)
6390                 goto tryharder;
6391
6392         ret = *(long *)xcb_get_property_value(pr);
6393         free(pr);
6394
6395         return (ret);
6396
6397 tryharder:
6398         apid = get_atom_from_string("_SWM_PID");
6399         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6400                 0, SWM_PROPLEN);
6401         pr = xcb_get_property_reply(conn, pc, NULL);
6402         if (!pr)
6403                 return (0);
6404         if (pr->type != XCB_ATOM_STRING)
6405                 free(pr);
6406                 return (0);
6407         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6408         free(pr);
6409
6410         return (ret);
6411 }
6412
6413 struct ws_win *
6414 manage_window(xcb_window_t id)
6415 {
6416         xcb_window_t            trans = XCB_WINDOW_NONE;
6417         struct workspace        *ws;
6418         struct ws_win           *win, *ww;
6419         int                     i, ws_idx, border_me = 0;
6420         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6421         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6422         size_t                  proplen;
6423         struct swm_region       *r;
6424         const char              *errstr;
6425         struct pid_e            *p;
6426         struct quirk            *qp;
6427         uint32_t                event_mask;
6428         xcb_atom_t              prot;
6429         xcb_get_property_reply_t        *gpr;
6430         xcb_get_wm_protocols_reply_t    wpr;
6431
6432         if ((win = find_window(id)) != NULL)
6433                 return (win);   /* already being managed */
6434
6435         /* see if we are on the unmanaged list */
6436         if ((win = find_unmanaged_window(id)) != NULL) {
6437                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6438                     "window: 0x%x\n", win->id);
6439                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6440                 if (win->transient)
6441                         set_child_transient(win, &trans);
6442
6443                 if (trans && (ww = find_window(trans)))
6444                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6445                 else if ((ww = win->ws->focus) &&
6446                     spawn_position == SWM_STACK_ABOVE)
6447                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6448                             win, entry);
6449                 else if (ww && spawn_position == SWM_STACK_BELOW)
6450                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6451                 else switch (spawn_position) {
6452                 default:
6453                 case SWM_STACK_TOP:
6454                 case SWM_STACK_ABOVE:
6455                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6456                         break;
6457                 case SWM_STACK_BOTTOM:
6458                 case SWM_STACK_BELOW:
6459                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6460                 }
6461
6462                 ewmh_update_actions(win);
6463                 return (win);
6464         }
6465
6466         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6467                 err(1, "manage_window: calloc: failed to allocate memory for "
6468                     "new window");
6469
6470         win->id = id;
6471         win->bordered = 0;
6472
6473         /* see if we need to override the workspace */
6474         p = find_pid(window_get_pid(id));
6475
6476         /* Get all the window data in one shot */
6477         ws_idx_atom = get_atom_from_string("_SWM_WS");
6478         if (ws_idx_atom) {
6479                 gpr = xcb_get_property_reply(conn,
6480                         xcb_get_property(conn, False, id, ws_idx_atom,
6481                                 XCB_ATOM_STRING, 0, SWM_PROPLEN),
6482                         NULL);
6483                 if (gpr) {
6484                         proplen = xcb_get_property_value_length(gpr);
6485                         if (proplen > 0) {
6486                                 prop = malloc(proplen + 1);
6487                                 if (prop) {
6488                                         memcpy(prop,
6489                                             xcb_get_property_value(gpr),
6490                                             proplen);
6491                                         prop[proplen] = '\0';
6492                                 }
6493                         }
6494                         free(gpr);
6495                 }
6496         }
6497         win->wa = xcb_get_geometry_reply(conn,
6498                 xcb_get_geometry(conn, id),
6499                 NULL);
6500         xcb_get_wm_normal_hints_reply(conn,
6501                 xcb_get_wm_normal_hints(conn, id),
6502                 &win->sh, NULL);
6503         xcb_icccm_get_wm_hints_reply(conn,
6504                 xcb_icccm_get_wm_hints(conn, id),
6505                 &win->hints, NULL);
6506         xcb_get_wm_transient_for_reply(conn,
6507                 xcb_get_wm_transient_for(conn, id),
6508                 &trans, NULL);
6509         if (trans) {
6510                 win->transient = trans;
6511                 set_child_transient(win, &trans);
6512                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6513                     "transient: 0x%x\n", win->id, win->transient);
6514         }
6515
6516         prot = xcb_atom_get_fast_reply(conn,
6517                 xcb_atom_get_fast(conn, False, strlen("WM_PROTOCOLS"),
6518                         "WM_PROTOCOLS"),
6519                 NULL);
6520         /* get supported protocols */
6521         if (xcb_get_wm_protocols_reply(conn,
6522                         xcb_get_wm_protocols(conn, id, prot),
6523                         &wpr, NULL)) {
6524                 for (i = 0; i < wpr.atoms_len; i++) {
6525                         if (wpr.atoms[i] == takefocus)
6526                                 win->take_focus = 1;
6527                         if (wpr.atoms[i] == adelete)
6528                                 win->can_delete = 1;
6529                 }
6530                 xcb_get_wm_protocols_reply_wipe(&wpr);
6531         }
6532
6533         win->iconic = get_iconic(win);
6534
6535         /*
6536          * Figure out where to put the window. If it was previously assigned to
6537          * a workspace (either by spawn() or manually moving), and isn't
6538          * transient, * put it in the same workspace
6539          */
6540         r = root_to_region(win->wa->root);
6541         if (p) {
6542                 ws = &r->s->ws[p->ws];
6543                 TAILQ_REMOVE(&pidlist, p, entry);
6544                 free(p);
6545                 p = NULL;
6546         } else if (prop && win->transient == 0) {
6547                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6548                 ws_idx = strtonum(prop, 0, workspace_limit - 1,
6549                     &errstr);
6550                 if (errstr) {
6551                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6552                             errstr, prop);
6553                 }
6554                 ws = &r->s->ws[ws_idx];
6555         } else {
6556                 ws = r->ws;
6557                 /* this should launch transients in the same ws as parent */
6558                 if (id && trans)
6559                         if ((ww = find_window(trans)) != NULL)
6560                                 if (ws->r) {
6561                                         ws = ww->ws;
6562                                         if (ww->ws->r)
6563                                                 r = ww->ws->r;
6564                                         else
6565                                                 warnx("manage_window: fix this "
6566                                                     "bug mcbride");
6567                                         border_me = 1;
6568                                 }
6569         }
6570
6571         /* set up the window layout */
6572         win->id = id;
6573         win->ws = ws;
6574         win->s = r->s;  /* this never changes */
6575         if (trans && (ww = find_window(trans)))
6576                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6577         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6578                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6579                     entry);
6580         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6581                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6582         else switch (spawn_position) {
6583         default:
6584         case SWM_STACK_TOP:
6585         case SWM_STACK_ABOVE:
6586                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6587                 break;
6588         case SWM_STACK_BOTTOM:
6589         case SWM_STACK_BELOW:
6590                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6591         }
6592
6593         /* ignore window border if there is one. */
6594         WIDTH(win) = win->wa->width;
6595         HEIGHT(win) = win->wa->height;
6596         X(win) = win->wa->x + win->wa->border_width;
6597         Y(win) = win->wa->y + win->wa->border_width;
6598         win->bordered = 0;
6599         win->g_floatvalid = 0;
6600         win->floatmaxed = 0;
6601         win->ewmh_flags = 0;
6602
6603         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6604             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6605             HEIGHT(win), ws->idx);
6606
6607         constrain_window(win, r, 0);
6608
6609         /* Set window properties so we can remember this after reincarnation */
6610         if (ws_idx_atom && prop == NULL &&
6611             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6612                 SWM_PROPLEN) {
6613                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6614                     ws_idx_str);
6615                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6616                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6617                         ws_idx_str);
6618         }
6619         if (prop)
6620                 free(prop);
6621
6622         ewmh_autoquirk(win);
6623
6624         if (xcb_get_wm_class_reply(conn,
6625                         xcb_get_wm_class(conn, win->id),
6626                         &win->ch, NULL)) {
6627                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6628                     win->ch.class_name, win->ch.instance_name);
6629
6630                 /* java is retarded so treat it special */
6631                 if (strstr(win->ch.instance_name, "sun-awt")) {
6632                         win->java = 1;
6633                         border_me = 1;
6634                 }
6635
6636                 TAILQ_FOREACH(qp, &quirks, entry) {
6637                         if (!strcmp(win->ch.class_name, qp->class) &&
6638                             !strcmp(win->ch.instance_name, qp->name)) {
6639                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6640                                     "class: %s, name: %s\n", win->ch.class_name,
6641                                     win->ch.instance_name);
6642                                 if (qp->quirk & SWM_Q_FLOAT) {
6643                                         win->floating = 1;
6644                                         border_me = 1;
6645                                 }
6646                                 win->quirks = qp->quirk;
6647                         }
6648                 }
6649         }
6650
6651         /* alter window position if quirky */
6652         if (win->quirks & SWM_Q_ANYWHERE) {
6653                 win->manual = 1; /* don't center the quirky windows */
6654                 if (bar_enabled && Y(win) < bar_height)
6655                         Y(win) = bar_height;
6656                 if (WIDTH(win) + X(win) > WIDTH(r))
6657                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6658                 border_me = 1;
6659         }
6660
6661         /* Reset font sizes (the bruteforce way; no default keybinding). */
6662         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6663                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6664                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6665                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6666                         fake_keypress(win, XK_KP_Add, ShiftMask);
6667         }
6668
6669         ewmh_get_win_state(win);
6670         ewmh_update_actions(win);
6671         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6672
6673         /* border me */
6674         if (border_me) {
6675                 win->bordered = 1;
6676                 X(win) -= border_width;
6677                 Y(win) -= border_width;
6678                 update_window(win);
6679         }
6680
6681         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6682                         XCB_EVENT_MASK_PROPERTY_CHANGE |
6683                         XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6684
6685         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6686
6687         /* floaters need to be mapped if they are in the current workspace */
6688         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6689                 map_window_raised(win->id);
6690
6691         return (win);
6692 }
6693
6694 void
6695 free_window(struct ws_win *win)
6696 {
6697         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6698
6699         if (win == NULL)
6700                 return;
6701
6702         /* needed for restart wm */
6703         set_win_state(win, XCB_ICCCM_WM_STATE_WITHDRAWN);
6704
6705         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6706
6707         if (win->wa)
6708                 free(win->wa);
6709
6710         xcb_get_wm_class_reply_wipe(&win->ch);
6711
6712         kill_refs(win);
6713
6714         /* paint memory */
6715         memset(win, 0xff, sizeof *win); /* XXX kill later */
6716
6717         free(win);
6718 }
6719
6720 void
6721 unmanage_window(struct ws_win *win)
6722 {
6723         struct ws_win           *parent;
6724         xcb_screen_t            *screen;
6725
6726         if (win == NULL)
6727                 return;
6728
6729         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6730
6731         if (win->transient) {
6732                 parent = find_window(win->transient);
6733                 if (parent)
6734                         parent->child_trans = NULL;
6735         }
6736
6737         /* focus on root just in case */
6738         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6739         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6740                 screen->root, XCB_CURRENT_TIME);
6741
6742         focus_prev(win);
6743
6744         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6745         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6746 }
6747
6748 void
6749 focus_magic(struct ws_win *win)
6750 {
6751         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6752
6753         if (win == NULL) {
6754                 /* if there are no windows clear the status-bar */
6755                 bar_update();
6756                 return;
6757         }
6758
6759         if (win->child_trans) {
6760                 /* win = parent & has a transient so focus on that */
6761                 if (win->java) {
6762                         focus_win(win->child_trans);
6763                         if (win->child_trans->take_focus)
6764                                 client_msg(win, takefocus);
6765                 } else {
6766                         /* make sure transient hasn't disappeared */
6767                         if (validate_win(win->child_trans) == 0) {
6768                                 focus_win(win->child_trans);
6769                                 if (win->child_trans->take_focus)
6770                                         client_msg(win->child_trans, takefocus);
6771                         } else {
6772                                 win->child_trans = NULL;
6773                                 focus_win(win);
6774                                 if (win->take_focus)
6775                                         client_msg(win, takefocus);
6776                         }
6777                 }
6778         } else {
6779                 /* regular focus */
6780                 focus_win(win);
6781                 if (win->take_focus)
6782                         client_msg(win, takefocus);
6783         }
6784 }
6785
6786 void
6787 expose(XEvent *e)
6788 {
6789         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6790 }
6791
6792 void
6793 keypress(XEvent *e)
6794 {
6795         KeySym                  keysym;
6796         XKeyEvent               *ev = &e->xkey;
6797         struct key              *kp;
6798         struct swm_region       *r;
6799
6800         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6801         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6802                 return;
6803         if (keyfuncs[kp->funcid].func == NULL)
6804                 return;
6805
6806         r = root_to_region(ev->root);
6807         if (kp->funcid == kf_spawn_custom)
6808                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6809         else
6810                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6811 }
6812
6813 void
6814 buttonpress(XEvent *e)
6815 {
6816         struct ws_win           *win;
6817         int                     i, action;
6818         XButtonPressedEvent     *ev = &e->xbutton;
6819
6820         if ((win = find_window(ev->window)) == NULL)
6821                 return;
6822
6823         focus_magic(win);
6824         action = client_click;
6825
6826         for (i = 0; i < LENGTH(buttons); i++)
6827                 if (action == buttons[i].action && buttons[i].func &&
6828                     buttons[i].button == ev->button &&
6829                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6830                         buttons[i].func(win, &buttons[i].args);
6831 }
6832
6833 void
6834 configurerequest(XEvent *e)
6835 {
6836         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6837         struct ws_win           *win;
6838         int                     new = 0, i = 0;
6839         uint16_t                mask = 0;
6840         uint32_t                wc[7];
6841
6842         if ((win = find_window(ev->window)) == NULL)
6843                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6844                         new = 1;
6845
6846         if (new) {
6847                 if (ev->value_mask & XCB_CONFIG_WINDOW_X) {
6848                         mask |= XCB_CONFIG_WINDOW_X;
6849                         wc[i++] = ev->x;
6850                 }
6851                 if (ev->value_mask & XCB_CONFIG_WINDOW_Y) {
6852                         mask |= XCB_CONFIG_WINDOW_Y;
6853                         wc[i++] = ev->y;
6854                 }
6855                 if (ev->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6856                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6857                         wc[i++] = ev->width;
6858                 }
6859                 if (ev->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6860                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6861                         wc[i++] = ev->height;
6862                 }
6863                 if (ev->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6864                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6865                         wc[i++] = ev->border_width;
6866                 }
6867                 if (ev->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6868                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6869                         wc[i++] = ev->above;
6870                 }
6871                 if (ev->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6872                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6873                         wc[i++] = ev->detail;
6874                 }
6875
6876                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6877                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6878                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6879
6880                 xcb_configure_window(conn, ev->window, mask, wc);
6881         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6882             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6883                 win->g_float.x = ev->x - X(win->ws->r);
6884                 win->g_float.y = ev->y - Y(win->ws->r);
6885                 win->g_float.w = ev->width;
6886                 win->g_float.h = ev->height;
6887                 win->g_floatvalid = 1;
6888
6889                 if (win->floating) {
6890                         win->g = win->g_float;
6891                         win->g.x += X(win->ws->r);
6892                         win->g.y += Y(win->ws->r);
6893                         update_window(win);
6894                 } else {
6895                         config_win(win, ev);
6896                 }
6897         } else {
6898                 config_win(win, ev);
6899         }
6900 }
6901
6902 void
6903 configurenotify(XEvent *e)
6904 {
6905         struct ws_win           *win;
6906
6907         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6908             e->xconfigure.window);
6909
6910         win = find_window(e->xconfigure.window);
6911         if (win) {
6912                 xcb_get_wm_normal_hints_reply(conn,
6913                         xcb_get_wm_normal_hints(conn, win->id),
6914                         &win->sh, NULL);
6915                 adjust_font(win);
6916                 if (font_adjusted)
6917                         stack();
6918                 if (focus_mode == SWM_FOCUS_DEFAULT)
6919                         drain_enter_notify();
6920         }
6921 }
6922
6923 void
6924 destroynotify(XEvent *e)
6925 {
6926         struct ws_win           *win;
6927         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6928
6929         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6930
6931         if ((win = find_window(ev->window)) == NULL) {
6932                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6933                         return;
6934                 free_window(win);
6935                 return;
6936         }
6937
6938         /* make sure we focus on something */
6939         win->floating = 0;
6940
6941         unmanage_window(win);
6942         stack();
6943         if (focus_mode == SWM_FOCUS_DEFAULT)
6944                 drain_enter_notify();
6945         free_window(win);
6946 }
6947
6948 void
6949 enternotify(XEvent *e)
6950 {
6951         XCrossingEvent          *ev = &e->xcrossing;
6952         XEvent                  cne;
6953         struct ws_win           *win;
6954 #if 0
6955         struct ws_win           *w;
6956         Window                  focus_return;
6957         int                     revert_to_return;
6958 #endif
6959         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6960             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6961             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6962             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6963
6964         if (ev->mode != NotifyNormal) {
6965                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6966                     "cursor grab.\n");
6967                 return;
6968         }
6969
6970         switch (focus_mode) {
6971         case SWM_FOCUS_DEFAULT:
6972                 break;
6973         case SWM_FOCUS_FOLLOW:
6974                 break;
6975         case SWM_FOCUS_SYNERGY:
6976 #if 0
6977         /*
6978          * all these checks need to be in this order because the
6979          * XCheckTypedWindowEvent relies on weeding out the previous events
6980          *
6981          * making this code an option would enable a follow mouse for focus
6982          * feature
6983          */
6984
6985         /*
6986          * state is set when we are switching workspaces and focus is set when
6987          * the window or a subwindow already has focus (occurs during restart).
6988          *
6989          * Only honor the focus flag if last_focus_event is not FocusOut,
6990          * this allows spectrwm to continue to control focus when another
6991          * program is also playing with it.
6992          */
6993         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6994                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6995                 return;
6996         }
6997
6998         /*
6999          * happens when a window is created or destroyed and the border
7000          * crosses the mouse pointer and when switching ws
7001          *
7002          * we need the subwindow test to see if we came from root in order
7003          * to give focus to floaters
7004          */
7005         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
7006             ev->subwindow == 0) {
7007                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
7008                 return;
7009         }
7010
7011         /* this window already has focus */
7012         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
7013                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
7014                 return;
7015         }
7016
7017         /* this window is being deleted or moved to another ws */
7018         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
7019             &cne) == True) {
7020                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
7021                 XPutBackEvent(display, &cne);
7022                 return;
7023         }
7024
7025         if ((win = find_window(ev->window)) == NULL) {
7026                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
7027                 return;
7028         }
7029
7030         /*
7031          * In fullstack kill all enters unless they come from a different ws
7032          * (i.e. another region) or focus has been grabbed externally.
7033          */
7034         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
7035             last_focus_event != FocusOut) {
7036                 XGetInputFocus(display, &focus_return, &revert_to_return);
7037                 if ((w = find_window(focus_return)) == NULL ||
7038                     w->ws == win->ws) {
7039                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
7040                         return;
7041                 }
7042         }
7043 #endif
7044                 break;
7045         }
7046
7047         if ((win = find_window(ev->window)) == NULL) {
7048                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7049                 return;
7050         }
7051
7052         /*
7053          * if we have more enternotifies let them handle it in due time
7054          */
7055         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
7056                 DNPRINTF(SWM_D_EVENT,
7057                     "ignoring enternotify: got more enternotify\n");
7058                 XPutBackEvent(display, &cne);
7059                 return;
7060         }
7061
7062         focus_magic(win);
7063 }
7064
7065 /* lets us use one switch statement for arbitrary mode/detail combinations */
7066 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7067
7068 void
7069 focusevent(XEvent *e)
7070 {
7071 #if 0
7072         struct ws_win           *win;
7073         u_int32_t               mode_detail;
7074         XFocusChangeEvent       *ev = &e->xfocus;
7075
7076         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
7077             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
7078             ev->window, ev->mode, ev->detail);
7079
7080         if (last_focus_event == ev->type) {
7081                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
7082                 return;
7083         }
7084
7085         last_focus_event = ev->type;
7086         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
7087
7088         switch (mode_detail) {
7089         /* synergy client focus operations */
7090         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
7091         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
7092
7093         /* synergy server focus operations */
7094         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
7095
7096         /* Entering applications like rdesktop that mangle the pointer */
7097         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
7098
7099                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
7100                         XSetWindowBorder(display, win->id,
7101                             win->ws->r->s->c[ev->type == FocusIn ?
7102                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
7103                 break;
7104         default:
7105                 warnx("ignoring focusevent");
7106                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
7107                 break;
7108         }
7109 #endif
7110 }
7111
7112 void
7113 mapnotify(XEvent *e)
7114 {
7115         struct ws_win           *win;
7116         XMapEvent               *ev = &e->xmap;
7117
7118         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
7119
7120         win = manage_window(ev->window);
7121         if (win)
7122                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7123
7124         /*
7125          * focus_win can only set input focus on a mapped window.
7126          * make sure the window really has focus since it is just being mapped.
7127          */
7128         if (win->ws->focus == win)
7129                 focus_win(win);
7130 }
7131
7132 void
7133 mappingnotify(XEvent *e)
7134 {
7135         XMappingEvent           *ev = &e->xmapping;
7136
7137         XRefreshKeyboardMapping(ev);
7138         if (ev->request == MappingKeyboard)
7139                 grabkeys();
7140 }
7141
7142 void
7143 maprequest(XEvent *e)
7144 {
7145         struct ws_win           *win;
7146         struct swm_region       *r;
7147         XMapRequestEvent        *ev = &e->xmaprequest;
7148         xcb_get_window_attributes_reply_t *war;
7149
7150         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
7151             e->xmaprequest.window);
7152
7153         war = xcb_get_window_attributes_reply(conn,
7154                 xcb_get_window_attributes(conn, ev->window),
7155                 NULL);
7156         if (!war)
7157                 return;
7158         if (war->override_redirect) {
7159                 free(war);
7160                 return;
7161         }
7162         free(war);
7163
7164         win = manage_window(e->xmaprequest.window);
7165         if (win == NULL) {
7166                 return; /* can't happen */
7167         }
7168
7169         stack();
7170
7171         /* make new win focused */
7172         r = root_to_region(win->wa->root);
7173         if (win->ws == r->ws)
7174                 focus_magic(win);
7175 }
7176
7177 void
7178 propertynotify(XEvent *e)
7179 {
7180         struct ws_win           *win;
7181         XPropertyEvent          *ev = &e->xproperty;
7182 #ifdef SWM_DEBUG
7183         char                            *name;
7184         size_t                          len;
7185         xcb_get_atom_name_reply_t       *r;
7186
7187         r = xcb_get_atom_name_reply(conn,
7188                 xcb_get_atom_name(conn, ev->atom),
7189                 NULL);
7190         if (r) {
7191                 len = xcb_get_atom_name_name_length(r);
7192                 if (len > 0) {
7193                         name = malloc(len + 1);
7194                         if (name) {
7195                                 memcpy(name, xcb_get_atom_name_name(r), len);
7196                                 name[len] = '\0';
7197
7198                                 DNPRINTF(SWM_D_EVENT,
7199                                         "propertynotify: window: 0x%lx, "
7200                                         "atom: %s\n",
7201                                         ev->window, name);
7202                                 free(name);
7203                         }
7204                 }
7205                 free(r);
7206         }
7207 #endif
7208
7209         win = find_window(ev->window);
7210         if (win == NULL)
7211                 return;
7212
7213         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
7214                 update_iconic(win, 0);
7215                 map_window_raised(win->id);
7216                 stack();
7217                 focus_win(win);
7218                 return;
7219         }
7220
7221         switch (ev->atom) {
7222 #if 0
7223         case XA_WM_NORMAL_HINTS:
7224                 long            mask;
7225                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
7226                 warnx("normal hints: flag 0x%x", win->sh.flags);
7227                 if (win->sh.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
7228                         WIDTH(win) = win->sh.min_width;
7229                         HEIGHT(win) = win->sh.min_height;
7230                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7231                 }
7232                 XMoveResizeWindow(display, win->id,
7233                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7234 #endif
7235         case XCB_ATOM_WM_CLASS:
7236         case XCB_ATOM_WM_NAME:
7237                 bar_update();
7238                 break;
7239         default:
7240                 break;
7241         }
7242 }
7243
7244 void
7245 unmapnotify(XEvent *e)
7246 {
7247         struct ws_win           *win;
7248
7249         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7250
7251         /* determine if we need to help unmanage this window */
7252         win = find_window(e->xunmap.window);
7253         if (win == NULL)
7254                 return;
7255
7256         if (getstate(e->xunmap.window) == XCB_ICCCM_WM_STATE_NORMAL) {
7257                 unmanage_window(win);
7258                 stack();
7259
7260                 /* giant hack for apps that don't destroy transient windows */
7261                 /* eat a bunch of events to prevent remanaging the window */
7262                 XEvent                  cne;
7263                 while (XCheckWindowEvent(display, e->xunmap.window,
7264                     EnterWindowMask, &cne))
7265                         ;
7266                 while (XCheckWindowEvent(display, e->xunmap.window,
7267                     StructureNotifyMask, &cne))
7268                         ;
7269                 while (XCheckWindowEvent(display, e->xunmap.window,
7270                     SubstructureNotifyMask, &cne))
7271                         ;
7272                 /* resend unmap because we ated it */
7273                 xcb_unmap_window(conn, e->xunmap.window);
7274         }
7275
7276         if (focus_mode == SWM_FOCUS_DEFAULT)
7277                 drain_enter_notify();
7278 }
7279
7280 void
7281 visibilitynotify(XEvent *e)
7282 {
7283         int                     i, num_screens;
7284         struct swm_region       *r;
7285
7286         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7287             e->xvisibility.window);
7288
7289         if (e->xvisibility.state == VisibilityUnobscured) {
7290                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7291                 for (i = 0; i < num_screens; i++)
7292                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7293                                 if (e->xvisibility.window == WINID(r->bar))
7294                                         bar_update();
7295         }
7296 }
7297
7298 void
7299 clientmessage(XEvent *e)
7300 {
7301         XClientMessageEvent     *ev;
7302         struct ws_win           *win;
7303
7304         ev = &e->xclient;
7305
7306         win = find_window(ev->window);
7307         if (win == NULL) {
7308                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7309                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7310                             "unmanaged window.\n");
7311                         e->xmaprequest.window = ev->window;
7312                         maprequest(e);
7313                 }
7314                 return;
7315         }
7316
7317         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7318             ev->window, ev->message_type);
7319
7320         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7321                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7322                 focus_win(win);
7323         }
7324         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7325                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7326                 if (win->can_delete)
7327                         client_msg(win, adelete);
7328                 else
7329                         xcb_kill_client(conn, win->id);
7330         }
7331         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7332                 DNPRINTF(SWM_D_EVENT,
7333                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7334                 if (win->floating) {
7335                         if (ev->data.l[0] & (1<<8)) /* x */
7336                                 X(win) = ev->data.l[1];
7337                         if (ev->data.l[0] & (1<<9)) /* y */
7338                                 Y(win) = ev->data.l[2];
7339                         if (ev->data.l[0] & (1<<10)) /* width */
7340                                 WIDTH(win) = ev->data.l[3];
7341                         if (ev->data.l[0] & (1<<11)) /* height */
7342                                 HEIGHT(win) = ev->data.l[4];
7343
7344                         update_window(win);
7345                 }
7346                 else {
7347                         /* TODO: Change stack sizes */
7348                         /* notify no change was made. */
7349                         config_win(win, NULL);
7350                 }
7351         }
7352         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7353                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7354                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7355                 if (ev->data.l[2])
7356                         ewmh_update_win_state(win, ev->data.l[2],
7357                             ev->data.l[0]);
7358
7359                 stack();
7360         }
7361 }
7362
7363 int
7364 xerror_start(Display *d, XErrorEvent *ee)
7365 {
7366         other_wm = 1;
7367         return (-1);
7368 }
7369
7370 int
7371 xerror(Display *d, XErrorEvent *ee)
7372 {
7373         /* warnx("error: %p %p", display, ee); */
7374         return (-1);
7375 }
7376
7377 int
7378 active_wm(void)
7379 {
7380         other_wm = 0;
7381         xerrorxlib = XSetErrorHandler(xerror_start);
7382
7383         /* this causes an error if some other window manager is running */
7384         XSelectInput(display, DefaultRootWindow(display),
7385             SubstructureRedirectMask);
7386         do_sync();
7387         if (other_wm)
7388                 return (1);
7389
7390         XSetErrorHandler(xerror);
7391         do_sync();
7392         return (0);
7393 }
7394
7395 void
7396 new_region(struct swm_screen *s, int x, int y, int w, int h)
7397 {
7398         struct swm_region       *r, *n;
7399         struct workspace        *ws = NULL;
7400         int                     i;
7401
7402         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7403              s->idx, w, h, x, y);
7404
7405         /* remove any conflicting regions */
7406         n = TAILQ_FIRST(&s->rl);
7407         while (n) {
7408                 r = n;
7409                 n = TAILQ_NEXT(r, entry);
7410                 if (X(r) < (x + w) &&
7411                     (X(r) + WIDTH(r)) > x &&
7412                     Y(r) < (y + h) &&
7413                     (Y(r) + HEIGHT(r)) > y) {
7414                         if (r->ws->r != NULL)
7415                                 r->ws->old_r = r->ws->r;
7416                         r->ws->r = NULL;
7417                         bar_cleanup(r);
7418                         TAILQ_REMOVE(&s->rl, r, entry);
7419                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7420                 }
7421         }
7422
7423         /* search old regions for one to reuse */
7424
7425         /* size + location match */
7426         TAILQ_FOREACH(r, &s->orl, entry)
7427                 if (X(r) == x && Y(r) == y &&
7428                     HEIGHT(r) == h && WIDTH(r) == w)
7429                         break;
7430
7431         /* size match */
7432         TAILQ_FOREACH(r, &s->orl, entry)
7433                 if (HEIGHT(r) == h && WIDTH(r) == w)
7434                         break;
7435
7436         if (r != NULL) {
7437                 TAILQ_REMOVE(&s->orl, r, entry);
7438                 /* try to use old region's workspace */
7439                 if (r->ws->r == NULL)
7440                         ws = r->ws;
7441         } else
7442                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7443                         err(1, "new_region: calloc: failed to allocate memory "
7444                             "for screen");
7445
7446         /* if we don't have a workspace already, find one */
7447         if (ws == NULL) {
7448                 for (i = 0; i < workspace_limit; i++)
7449                         if (s->ws[i].r == NULL) {
7450                                 ws = &s->ws[i];
7451                                 break;
7452                         }
7453         }
7454
7455         if (ws == NULL)
7456                 errx(1, "new_region: no free workspaces");
7457
7458         X(r) = x;
7459         Y(r) = y;
7460         WIDTH(r) = w;
7461         HEIGHT(r) = h;
7462         r->s = s;
7463         r->ws = ws;
7464         r->ws_prior = NULL;
7465         ws->r = r;
7466         outputs++;
7467         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7468 }
7469
7470 void
7471 scan_xrandr(int i)
7472 {
7473 #ifdef SWM_XRR_HAS_CRTC
7474         int                                             c;
7475         int                                             ncrtc = 0;
7476 #endif /* SWM_XRR_HAS_CRTC */
7477         struct swm_region                               *r;
7478         int                                             num_screens;
7479         xcb_randr_get_screen_resources_current_cookie_t src;
7480         xcb_randr_get_screen_resources_current_reply_t  *srr;
7481         xcb_randr_get_crtc_info_cookie_t                cic;
7482         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7483         xcb_randr_crtc_t                                *crtc;
7484         xcb_screen_t                                    *screen = get_screen(i);
7485
7486         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7487         if (i >= num_screens)
7488                 errx(1, "scan_xrandr: invalid screen");
7489
7490         /* remove any old regions */
7491         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7492                 r->ws->old_r = r->ws->r = NULL;
7493                 bar_cleanup(r);
7494                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7495                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7496         }
7497         outputs = 0;
7498
7499         /* map virtual screens onto physical screens */
7500 #ifdef SWM_XRR_HAS_CRTC
7501         if (xrandr_support) {
7502                 src = xcb_randr_get_screen_resources_current(conn,
7503                         screens[i].root);
7504                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7505                         NULL);
7506                 if (srr == NULL) {
7507                         new_region(&screens[i], 0, 0,
7508                             screen->width_in_pixels,
7509                             screen->height_in_pixels);
7510                         return;
7511                 } else
7512                         ncrtc = srr->num_crtcs;
7513                 for (c = 0; c < ncrtc; c++) {
7514                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7515                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7516                                 XCB_CURRENT_TIME);
7517                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7518                         if (cir == NULL)
7519                                 continue;
7520                         if (cir->num_outputs == 0) {
7521                                 free(cir);
7522                                 continue;
7523                         }
7524
7525                         if (cir->mode == 0)
7526                                 new_region(&screens[i], 0, 0,
7527                                     screen->width_in_pixels,
7528                                     screen->height_in_pixels);
7529                         else
7530                                 new_region(&screens[i],
7531                                     cir->x, cir->y, cir->width, cir->height);
7532                         free(cir);
7533                 }
7534                 free(srr);
7535         } else
7536 #endif /* SWM_XRR_HAS_CRTC */
7537         {
7538                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7539                     screen->height_in_pixels);
7540         }
7541 }
7542
7543 void
7544 screenchange(XEvent *e)
7545 {
7546         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7547         struct swm_region               *r;
7548         int                             i, num_screens;
7549
7550         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7551
7552         if (!XRRUpdateConfiguration(e))
7553                 return;
7554
7555         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7556         /* silly event doesn't include the screen index */
7557         for (i = 0; i < num_screens; i++)
7558                 if (screens[i].root == xe->root)
7559                         break;
7560         if (i >= num_screens)
7561                 errx(1, "screenchange: screen not found");
7562
7563         /* brute force for now, just re-enumerate the regions */
7564         scan_xrandr(i);
7565
7566         /* add bars to all regions */
7567         for (i = 0; i < num_screens; i++)
7568                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7569                         bar_setup(r);
7570         stack();
7571         if (focus_mode == SWM_FOCUS_DEFAULT)
7572                 drain_enter_notify();
7573 }
7574
7575 void
7576 grab_windows(void)
7577 {
7578         xcb_window_t            *wins   = NULL;
7579         int                     no;
7580         int                     i, j, num_screens;
7581         uint16_t                state, manage;
7582
7583         xcb_query_tree_cookie_t                 qtc;
7584         xcb_query_tree_reply_t                  *qtr;
7585         xcb_get_window_attributes_cookie_t      c;
7586         xcb_get_window_attributes_reply_t       *r;
7587         xcb_get_property_cookie_t               pc;
7588
7589         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7590         for (i = 0; i < num_screens; i++) {
7591                 qtc = xcb_query_tree(conn, screens[i].root);
7592                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7593                 if (!qtr)
7594                         continue;
7595                 wins = xcb_query_tree_children(qtr);
7596                 no = xcb_query_tree_children_length(qtr);
7597                 /* attach windows to a region */
7598                 /* normal windows */
7599                 for (j = 0; j < no; j++) {
7600                         c = xcb_get_window_attributes(conn, wins[j]);
7601                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7602                         if (!r)
7603                                 continue;
7604                         if (r->override_redirect) {
7605                                 free(r);
7606                                 continue;
7607                         }
7608
7609                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7610                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7611                                         NULL)) {
7612                                 free(r);
7613                                 continue;
7614                         }
7615
7616                         state = getstate(wins[j]);
7617                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7618                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7619                                 manage_window(wins[j]);
7620                         free(r);
7621                 }
7622                 /* transient windows */
7623                 for (j = 0; j < no; j++) {
7624                         c = xcb_get_window_attributes(conn, wins[j]);
7625                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7626                         if (!r)
7627                                 continue;
7628                         if (r->override_redirect) {
7629                                 free(r);
7630                                 continue;
7631                         }
7632                         free(r);
7633
7634                         state = getstate(wins[j]);
7635                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7636                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7637                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7638                                         NULL) && manage)
7639                                 manage_window(wins[j]);
7640                 }
7641                 free(qtr);
7642         }
7643 }
7644
7645 void
7646 setup_screens(void)
7647 {
7648         int                     i, j, k, num_screens;
7649         struct workspace        *ws;
7650         uint32_t                gcv[1], wa[1];
7651         const xcb_query_extension_reply_t *qep;
7652         xcb_cursor_t                            cursor;
7653         xcb_font_t                              cursor_font;
7654         xcb_randr_query_version_cookie_t        c;
7655         xcb_randr_query_version_reply_t         *r;
7656
7657         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7658         if ((screens = calloc(num_screens,
7659              sizeof(struct swm_screen))) == NULL)
7660                 err(1, "setup_screens: calloc: failed to allocate memory for "
7661                     "screens");
7662
7663         /* initial Xrandr setup */
7664         xrandr_support = False;
7665         c = xcb_randr_query_version(conn, True, True);
7666         r = xcb_randr_query_version_reply(conn, c, NULL);
7667         if (r) {
7668                 if (r->major_version >= 1)
7669                         xrandr_support = True;
7670                 free(r);
7671         }
7672         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7673         xrandr_eventbase = qep->first_event;
7674
7675         cursor_font = xcb_generate_id(conn);
7676         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7677
7678         cursor = xcb_generate_id(conn);
7679         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7680                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7681         wa[0] = cursor;
7682
7683         /* map physical screens */
7684         for (i = 0; i < num_screens; i++) {
7685                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7686                 screens[i].idx = i;
7687                 TAILQ_INIT(&screens[i].rl);
7688                 TAILQ_INIT(&screens[i].orl);
7689                 screens[i].root = RootWindow(display, i);
7690
7691                 /* set default colors */
7692                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7693                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7694                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7695                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7696                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7697
7698                 /* create graphics context on screen */
7699                 screens[i].bar_gc = xcb_generate_id(conn);
7700                 gcv[0] = 0;
7701                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7702                         XCB_GC_GRAPHICS_EXPOSURES, gcv);
7703
7704                 /* set default cursor */
7705                 xcb_change_window_attributes(conn, screens[i].root,
7706                         XCB_CW_CURSOR, wa);
7707
7708                 /* init all workspaces */
7709                 /* XXX these should be dynamically allocated too */
7710                 for (j = 0; j < SWM_WS_MAX; j++) {
7711                         ws = &screens[i].ws[j];
7712                         ws->idx = j;
7713                         ws->name = NULL;
7714                         ws->focus = NULL;
7715                         ws->r = NULL;
7716                         ws->old_r = NULL;
7717                         TAILQ_INIT(&ws->winlist);
7718                         TAILQ_INIT(&ws->unmanagedlist);
7719
7720                         for (k = 0; layouts[k].l_stack != NULL; k++)
7721                                 if (layouts[k].l_config != NULL)
7722                                         layouts[k].l_config(ws,
7723                                             SWM_ARG_ID_STACKINIT);
7724                         ws->cur_layout = &layouts[0];
7725                         ws->cur_layout->l_string(ws);
7726                 }
7727
7728                 scan_xrandr(i);
7729
7730                 if (xrandr_support)
7731                         xcb_randr_select_input(conn, screens[i].root,
7732                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7733         }
7734         xcb_free_cursor(conn, cursor);
7735         xcb_close_font(conn, cursor_font);
7736 }
7737
7738 void
7739 setup_globals(void)
7740 {
7741         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7742                 err(1, "setup_globals: strdup: failed to allocate memory.");
7743
7744         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7745                 err(1, "setup_globals: strdup: failed to allocate memory.");
7746 }
7747
7748 void
7749 workaround(void)
7750 {
7751         int                     i, num_screens;
7752         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7753         xcb_window_t            root, win;
7754         xcb_screen_t            *screen;
7755         uint32_t                wa[2];
7756
7757         /* work around sun jdk bugs, code from wmname */
7758         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7759         netwmname = get_atom_from_string("_NET_WM_NAME");
7760         utf8_string = get_atom_from_string("UTF8_STRING");
7761
7762         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7763         for (i = 0; i < num_screens; i++) {
7764                 root = screens[i].root;
7765                 screen = get_screen(i);
7766
7767                 win = xcb_generate_id(conn);
7768                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7769                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7770                 xcb_create_window(conn, screen->root_depth, win, 0,
7771                         0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
7772                         screen->root_visual,
7773                         XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7774
7775                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7776                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7777                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7778                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7779                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7780                         netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7781         }
7782 }
7783
7784 int
7785 main(int argc, char *argv[])
7786 {
7787         struct swm_region       *r, *rr;
7788         struct ws_win           *winfocus = NULL;
7789         struct timeval          tv;
7790         union arg               a;
7791         char                    conf[PATH_MAX], *cfile = NULL;
7792         struct stat             sb;
7793         XEvent                  e;
7794         int                     xfd, i, num_screens;
7795         fd_set                  rd;
7796         struct sigaction        sact;
7797
7798         start_argv = argv;
7799         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7800         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7801             !XSupportsLocale())
7802                 warnx("no locale support");
7803
7804         if (!X_HAVE_UTF8_STRING)
7805                 warnx("no UTF-8 support");
7806
7807         if (!(display = XOpenDisplay(0)))
7808                 errx(1, "can not open display");
7809
7810         if (!(conn = XGetXCBConnection(display)))
7811                 errx(1, "can not get XCB connection");
7812
7813         if (active_wm())
7814                 errx(1, "other wm running");
7815
7816         /* handle some signals */
7817         bzero(&sact, sizeof(sact));
7818         sigemptyset(&sact.sa_mask);
7819         sact.sa_flags = 0;
7820         sact.sa_handler = sighdlr;
7821         sigaction(SIGINT, &sact, NULL);
7822         sigaction(SIGQUIT, &sact, NULL);
7823         sigaction(SIGTERM, &sact, NULL);
7824         sigaction(SIGHUP, &sact, NULL);
7825
7826         sact.sa_handler = sighdlr;
7827         sact.sa_flags = SA_NOCLDSTOP;
7828         sigaction(SIGCHLD, &sact, NULL);
7829
7830         astate = get_atom_from_string("WM_STATE");
7831         aprot = get_atom_from_string("WM_PROTOCOLS");
7832         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7833         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7834         a_wmname = get_atom_from_string("WM_NAME");
7835         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7836         a_utf8_string = get_atom_from_string("UTF8_STRING");
7837         a_string = get_atom_from_string("STRING");
7838         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7839
7840         /* look for local and global conf file */
7841         pwd = getpwuid(getuid());
7842         if (pwd == NULL)
7843                 errx(1, "invalid user: %d", getuid());
7844
7845         setup_globals();
7846         setup_screens();
7847         setup_keys();
7848         setup_quirks();
7849         setup_spawn();
7850
7851         /* load config */
7852         for (i = 0; ; i++) {
7853                 conf[0] = '\0';
7854                 switch (i) {
7855                 case 0:
7856                         /* ~ */
7857                         snprintf(conf, sizeof conf, "%s/.%s",
7858                             pwd->pw_dir, SWM_CONF_FILE);
7859                         break;
7860                 case 1:
7861                         /* global */
7862                         snprintf(conf, sizeof conf, "/etc/%s",
7863                             SWM_CONF_FILE);
7864                         break;
7865                 case 2:
7866                         /* ~ compat */
7867                         snprintf(conf, sizeof conf, "%s/.%s",
7868                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7869                         break;
7870                 case 3:
7871                         /* global compat */
7872                         snprintf(conf, sizeof conf, "/etc/%s",
7873                             SWM_CONF_FILE_OLD);
7874                         break;
7875                 default:
7876                         goto noconfig;
7877                 }
7878
7879                 if (strlen(conf) && stat(conf, &sb) != -1)
7880                         if (S_ISREG(sb.st_mode)) {
7881                                 cfile = conf;
7882                                 break;
7883                         }
7884         }
7885 noconfig:
7886
7887         /* load conf (if any) */
7888         if (cfile)
7889                 conf_load(cfile, SWM_CONF_DEFAULT);
7890
7891         setup_ewmh();
7892         /* set some values to work around bad programs */
7893         workaround();
7894         /* grab existing windows (before we build the bars) */
7895         grab_windows();
7896
7897         if (getenv("SWM_STARTED") == NULL)
7898                 setenv("SWM_STARTED", "YES", 1);
7899
7900         /* setup all bars */
7901         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7902         for (i = 0; i < num_screens; i++)
7903                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7904                         if (winfocus == NULL)
7905                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7906                         bar_setup(r);
7907                 }
7908
7909         unfocus_all();
7910
7911         grabkeys();
7912         stack();
7913         if (focus_mode == SWM_FOCUS_DEFAULT)
7914                 drain_enter_notify();
7915
7916         xfd = xcb_get_file_descriptor(conn);
7917         while (running) {
7918                 while (XPending(display)) {
7919                         XNextEvent(display, &e);
7920                         if (running == 0)
7921                                 goto done;
7922                         if (e.type < LASTEvent) {
7923                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7924                                     "window: 0x%lx, type: %s (%d), %d remaining"
7925                                     "\n", YESNO(handler[e.type]),
7926                                     e.xany.window, geteventname(&e),
7927                                     e.type, QLength(display));
7928
7929                                 if (handler[e.type])
7930                                         handler[e.type](&e);
7931                         } else {
7932                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7933                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7934                                     xrandr_geteventname(&e), e.type);
7935
7936                                 switch (e.type - xrandr_eventbase) {
7937                                 case XCB_RANDR_SCREEN_CHANGE_NOTIFY:
7938                                         screenchange(&e);
7939                                         break;
7940                                 default:
7941                                         break;
7942                                 }
7943                         }
7944                 }
7945
7946                 /* if we are being restarted go focus on first window */
7947                 if (winfocus) {
7948                         rr = winfocus->ws->r;
7949                         if (rr == NULL) {
7950                                 /* not a visible window */
7951                                 winfocus = NULL;
7952                                 continue;
7953                         }
7954                         /* move pointer to first screen if multi screen */
7955                         if (num_screens > 1 || outputs > 1)
7956                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7957                                         rr->s[0].root, 0, 0, 0, 0, X(rr),
7958                                         Y(rr) + (bar_enabled ? bar_height : 0));
7959
7960                         a.id = SWM_ARG_ID_FOCUSCUR;
7961                         focus(rr, &a);
7962                         winfocus = NULL;
7963                         continue;
7964                 }
7965
7966                 FD_ZERO(&rd);
7967                 FD_SET(xfd, &rd);
7968                 tv.tv_sec = 1;
7969                 tv.tv_usec = 0;
7970                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7971                         if (errno != EINTR)
7972                                 DNPRINTF(SWM_D_MISC, "select failed");
7973                 if (restart_wm == 1)
7974                         restart(NULL, NULL);
7975                 if (search_resp == 1)
7976                         search_do_resp();
7977                 if (running == 0)
7978                         goto done;
7979                 if (bar_alarm) {
7980                         bar_alarm = 0;
7981                         bar_update();
7982                 }
7983         }
7984 done:
7985         teardown_ewmh();
7986         bar_extra_stop();
7987
7988         for (i = 0; i < num_screens; ++i)
7989                 if (screens[i].bar_gc != 0)
7990                         xcb_free_gc(conn, screens[i].bar_gc);
7991         XFreeFontSet(display, bar_fs);
7992         xcb_disconnect(conn);
7993
7994         return (0);
7995 }