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_aux.h>
  97 #include <xcb/xcb_event.h>
  98 #include <xcb/xcb_icccm.h>
  99 #include <xcb/xcb_keysyms.h>
 100 #include <xcb/xtest.h>
 101 #include <X11/Xproto.h>
 102 #include <X11/Xutil.h>
 103 #include <X11/extensions/Xrandr.h>
 104 #include <X11/extensions/XTest.h>
 105
 106 #ifdef __OSX__
 107 #include <osx.h>
 108 #endif
 109
 110 #include "version.h"
 111
 112 #ifdef SPECTRWM_BUILDSTR
 113 static const char       *buildstr = SPECTRWM_BUILDSTR;
 114 #else
 115 static const char       *buildstr = SPECTRWM_VERSION;
 116 #endif
 117
 118 #if RANDR_MAJOR < 1
 119 #  error XRandR versions less than 1.0 are not supported
 120 #endif
 121
 122 #if RANDR_MAJOR >= 1
 123 #if RANDR_MINOR >= 2
 124 #define SWM_XRR_HAS_CRTC
 125 #endif
 126 #endif
 127
 128 #if defined(__OpenBSD__)
 129 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 130 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 132 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 133 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 134 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 135 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 136 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 137 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 138 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 139 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 140 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 141 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 142 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 143 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 144 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 145 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 146 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 147 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 148 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 149 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 150 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 151 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 152 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 153 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 154 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 155 #endif
 156
 157 #define SWM_DEBUG
 158 #ifdef SWM_DEBUG
 159 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 160 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 161 #define SWM_D_MISC              0x0001
 162 #define SWM_D_EVENT             0x0002
 163 #define SWM_D_WS                0x0004
 164 #define SWM_D_FOCUS             0x0008
 165 #define SWM_D_MOVE              0x0010
 166 #define SWM_D_STACK             0x0020
 167 #define SWM_D_MOUSE             0x0040
 168 #define SWM_D_PROP              0x0080
 169 #define SWM_D_CLASS             0x0100
 170 #define SWM_D_KEY               0x0200
 171 #define SWM_D_QUIRK             0x0400
 172 #define SWM_D_SPAWN             0x0800
 173 #define SWM_D_EVENTQ            0x1000
 174 #define SWM_D_CONF              0x2000
 175 #define SWM_D_BAR               0x4000
 176
 177 u_int32_t               swm_debug = 0
 178                             | SWM_D_MISC
 179                             | SWM_D_EVENT
 180                             | SWM_D_WS
 181                             | SWM_D_FOCUS
 182                             | SWM_D_MOVE
 183                             | SWM_D_STACK
 184                             | SWM_D_MOUSE
 185                             | SWM_D_PROP
 186                             | SWM_D_CLASS
 187                             | SWM_D_KEY
 188                             | SWM_D_QUIRK
 189                             | SWM_D_SPAWN
 190                             | SWM_D_EVENTQ
 191                             | SWM_D_CONF
 192                             | SWM_D_BAR
 193                             ;
 194 #else
 195 #define DPRINTF(x...)
 196 #define DNPRINTF(n,x...)
 197 #endif
 198
 199 #define LENGTH(x)               (sizeof x / sizeof x[0])
 200 #define MODKEY                  Mod1Mask
 201 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 202 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 203 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 204 #define SWM_PROPLEN             (16)
 205 #define SWM_FUNCNAME_LEN        (32)
 206 #define SWM_KEYS_LEN            (255)
 207 #define SWM_QUIRK_LEN           (64)
 208 #define X(r)                    (r)->g.x
 209 #define Y(r)                    (r)->g.y
 210 #define WIDTH(r)                (r)->g.w
 211 #define HEIGHT(r)               (r)->g.h
 212 #define BORDER(w)               (w->bordered ? border_width : 0)
 213 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 214 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 215 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 216 #define SH_MIN_W(w)             (w)->sh.min_width
 217 #define SH_MIN_H(w)             (w)->sh.min_height
 218 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 219 #define SH_MAX_W(w)             (w)->sh.max_width
 220 #define SH_MAX_H(w)             (w)->sh.max_height
 221 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 222 #define SH_INC_W(w)             (w)->sh.width_inc
 223 #define SH_INC_H(w)             (w)->sh.height_inc
 224 #define SWM_MAX_FONT_STEPS      (3)
 225 #define WINID(w)                ((w) ? (w)->id : 0)
 226 #define YESNO(x)                ((x) ? "yes" : "no")
 227
 228 #define SWM_FOCUS_DEFAULT       (0)
 229 #define SWM_FOCUS_SYNERGY       (1)
 230 #define SWM_FOCUS_FOLLOW        (2)
 231
 232 #define SWM_CONF_DEFAULT        (0)
 233 #define SWM_CONF_KEYMAPPING     (1)
 234
 235 #ifndef SWM_LIB
 236 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 237 #endif
 238
 239 char                    **start_argv;
 240 xcb_atom_t              astate;
 241 xcb_atom_t              aprot;
 242 xcb_atom_t              adelete;
 243 xcb_atom_t              takefocus;
 244 xcb_atom_t              a_wmname;
 245 xcb_atom_t              a_netwmname;
 246 xcb_atom_t              a_utf8_string;
 247 xcb_atom_t              a_string;
 248 xcb_atom_t              a_swm_iconic;
 249 volatile sig_atomic_t   running = 1;
 250 volatile sig_atomic_t   restart_wm = 0;
 251 int                     outputs = 0;
 252 int                     last_focus_event = FocusOut;
 253 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 254 int                     other_wm;
 255 int                     ss_enabled = 0;
 256 int                     xrandr_support;
 257 int                     xrandr_eventbase;
 258 unsigned int            numlockmask = 0;
 259 Display                 *display;
 260 xcb_connection_t        *conn;
 261 xcb_key_symbols_t       *syms;
 262
 263 int                     cycle_empty = 0;
 264 int                     cycle_visible = 0;
 265 int                     term_width = 0;
 266 int                     font_adjusted = 0;
 267 unsigned int            mod_key = MODKEY;
 268
 269 /* dmenu search */
 270 struct swm_region       *search_r;
 271 int                     select_list_pipe[2];
 272 int                     select_resp_pipe[2];
 273 pid_t                   searchpid;
 274 volatile sig_atomic_t   search_resp;
 275 int                     search_resp_action;
 276
 277 struct search_window {
 278         TAILQ_ENTRY(search_window)      entry;
 279         int                             idx;
 280         struct ws_win                   *win;
 281         xcb_gcontext_t                  gc;
 282         xcb_window_t                    indicator;
 283 };
 284 TAILQ_HEAD(search_winlist, search_window);
 285 struct search_winlist                   search_wl;
 286
 287 /* search actions */
 288 enum {
 289         SWM_SEARCH_NONE,
 290         SWM_SEARCH_UNICONIFY,
 291         SWM_SEARCH_NAME_WORKSPACE,
 292         SWM_SEARCH_SEARCH_WORKSPACE,
 293         SWM_SEARCH_SEARCH_WINDOW
 294 };
 295
 296 #define SWM_STACK_TOP           (0)
 297 #define SWM_STACK_BOTTOM        (1)
 298 #define SWM_STACK_ABOVE         (2)
 299 #define SWM_STACK_BELOW         (3)
 300
 301 /* dialog windows */
 302 double                  dialog_ratio = 0.6;
 303 /* status bar */
 304 #define SWM_BAR_MAX             (256)
 305 #define SWM_BAR_JUSTIFY_LEFT    (0)
 306 #define SWM_BAR_JUSTIFY_CENTER  (1)
 307 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 308 #define SWM_BAR_OFFSET          (4)
 309 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 310                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 311                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 312                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 313                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 314
 315 char                    *bar_argv[] = { NULL, NULL };
 316 int                     bar_pipe[2];
 317 unsigned char           bar_ext[SWM_BAR_MAX];
 318 char                    bar_vertext[SWM_BAR_MAX];
 319 int                     bar_version = 0;
 320 sig_atomic_t            bar_alarm = 0;
 321 int                     bar_delay = 30;
 322 int                     bar_enabled = 1;
 323 int                     bar_border_width = 1;
 324 int                     bar_at_bottom = 0;
 325 int                     bar_extra = 1;
 326 int                     bar_extra_running = 0;
 327 int                     bar_verbose = 1;
 328 int                     bar_height = 0;
 329 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 330 char                    *bar_format = NULL;
 331 int                     stack_enabled = 1;
 332 int                     clock_enabled = 1;
 333 int                     urgent_enabled = 0;
 334 char                    *clock_format = NULL;
 335 int                     title_name_enabled = 0;
 336 int                     title_class_enabled = 0;
 337 int                     window_name_enabled = 0;
 338 int                     focus_mode = SWM_FOCUS_DEFAULT;
 339 int                     focus_close = SWM_STACK_BELOW;
 340 int                     focus_close_wrap = 1;
 341 int                     focus_default = SWM_STACK_TOP;
 342 int                     spawn_position = SWM_STACK_TOP;
 343 int                     disable_border = 0;
 344 int                     border_width = 1;
 345 int                     verbose_layout = 0;
 346 pid_t                   bar_pid;
 347 XFontSet                bar_fs;
 348 XFontSetExtents         *bar_fs_extents;
 349 char                    *bar_fonts;
 350 struct passwd           *pwd;
 351
 352 #define SWM_MENU_FN     (2)
 353 #define SWM_MENU_NB     (4)
 354 #define SWM_MENU_NF     (6)
 355 #define SWM_MENU_SB     (8)
 356 #define SWM_MENU_SF     (10)
 357
 358 /* layout manager data */
 359 struct swm_geometry {
 360         int                     x;
 361         int                     y;
 362         int                     w;
 363         int                     h;
 364 };
 365
 366 struct swm_screen;
 367 struct workspace;
 368
 369 struct swm_bar {
 370         xcb_window_t            id;
 371         xcb_pixmap_t            buffer;
 372         struct swm_geometry     g;
 373 };
 374
 375 /* virtual "screens" */
 376 struct swm_region {
 377         TAILQ_ENTRY(swm_region) entry;
 378         struct swm_geometry     g;
 379         struct workspace        *ws;    /* current workspace on this region */
 380         struct workspace        *ws_prior; /* prior workspace on this region */
 381         struct swm_screen       *s;     /* screen idx */
 382         struct swm_bar          *bar;
 383 };
 384 TAILQ_HEAD(swm_region_list, swm_region);
 385
 386 struct ws_win {
 387         TAILQ_ENTRY(ws_win)     entry;
 388         xcb_window_t            id;
 389         xcb_window_t            transient;
 390         struct ws_win           *child_trans;   /* transient child window */
 391         struct swm_geometry     g;              /* current geometry */
 392         struct swm_geometry     g_float;        /* region coordinates */
 393         int                     g_floatvalid;   /* g_float geometry validity */
 394         int                     floatmaxed;     /* whether maxed by max_stack */
 395         int                     floating;
 396         int                     manual;
 397         int32_t                 iconic;
 398         int                     bordered;
 399         unsigned int            ewmh_flags;
 400         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 401         int                     font_steps;
 402         int                     last_inc;
 403         int                     can_delete;
 404         int                     take_focus;
 405         int                     java;
 406         unsigned long           quirks;
 407         struct workspace        *ws;    /* always valid */
 408         struct swm_screen       *s;     /* always valid, never changes */
 409         xcb_get_geometry_reply_t        *wa;
 410         xcb_size_hints_t        sh;
 411         xcb_icccm_get_wm_class_reply_t  ch;
 412         xcb_icccm_wm_hints_t    hints;
 413 };
 414 TAILQ_HEAD(ws_win_list, ws_win);
 415
 416 /* pid goo */
 417 struct pid_e {
 418         TAILQ_ENTRY(pid_e)      entry;
 419         long                    pid;
 420         int                     ws;
 421 };
 422 TAILQ_HEAD(pid_list, pid_e);
 423 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 424
 425 /* layout handlers */
 426 void    stack(void);
 427 void    vertical_config(struct workspace *, int);
 428 void    vertical_stack(struct workspace *, struct swm_geometry *);
 429 void    horizontal_config(struct workspace *, int);
 430 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 431 void    max_stack(struct workspace *, struct swm_geometry *);
 432 void    plain_stacker(struct workspace *);
 433 void    fancy_stacker(struct workspace *);
 434
 435 struct ws_win *find_window(xcb_window_t);
 436
 437 void            grabbuttons(struct ws_win *, int);
 438 void            new_region(struct swm_screen *, int, int, int, int);
 439 void            unmanage_window(struct ws_win *);
 440 uint16_t        getstate(xcb_window_t);
 441
 442 int             conf_load(char *, int);
 443
 444 struct layout {
 445         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 446         void            (*l_config)(struct workspace *, int);
 447         u_int32_t       flags;
 448 #define SWM_L_FOCUSPREV         (1<<0)
 449 #define SWM_L_MAPONFOCUS        (1<<1)
 450         void            (*l_string)(struct workspace *);
 451 } layouts[] =  {
 452         /* stack,               configure */
 453         { vertical_stack,       vertical_config,        0,      plain_stacker },
 454         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 455         { max_stack,            NULL,
 456           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 457         { NULL,                 NULL,                   0,      NULL  },
 458 };
 459
 460 /* position of max_stack mode in the layouts array, index into layouts! */
 461 #define SWM_V_STACK             (0)
 462 #define SWM_H_STACK             (1)
 463 #define SWM_MAX_STACK           (2)
 464
 465 #define SWM_H_SLICE             (32)
 466 #define SWM_V_SLICE             (32)
 467
 468 /* define work spaces */
 469 struct workspace {
 470         int                     idx;            /* workspace index */
 471         char                    *name;          /* workspace name */
 472         int                     always_raise;   /* raise windows on focus */
 473         struct layout           *cur_layout;    /* current layout handlers */
 474         struct ws_win           *focus;         /* may be NULL */
 475         struct ws_win           *focus_prev;    /* may be NULL */
 476         struct swm_region       *r;             /* may be NULL */
 477         struct swm_region       *old_r;         /* may be NULL */
 478         struct ws_win_list      winlist;        /* list of windows in ws */
 479         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 480         char                    stacker[10];    /* display stacker and layout */
 481
 482         /* stacker state */
 483         struct {
 484                                 int horizontal_msize;
 485                                 int horizontal_mwin;
 486                                 int horizontal_stacks;
 487                                 int horizontal_flip;
 488                                 int vertical_msize;
 489                                 int vertical_mwin;
 490                                 int vertical_stacks;
 491                                 int vertical_flip;
 492         } l_state;
 493 };
 494
 495 enum {
 496         SWM_S_COLOR_BAR,
 497         SWM_S_COLOR_BAR_BORDER,
 498         SWM_S_COLOR_BAR_FONT,
 499         SWM_S_COLOR_FOCUS,
 500         SWM_S_COLOR_UNFOCUS,
 501         SWM_S_COLOR_MAX
 502 };
 503
 504 /* physical screen mapping */
 505 #define SWM_WS_MAX              (22)    /* hard limit */
 506 int             workspace_limit = 10;   /* soft limit */
 507
 508 struct swm_screen {
 509         int                     idx;    /* screen index */
 510         struct swm_region_list  rl;     /* list of regions on this screen */
 511         struct swm_region_list  orl;    /* list of old regions */
 512         xcb_window_t            root;
 513         struct workspace        ws[SWM_WS_MAX];
 514
 515         /* colors */
 516         struct {
 517                 uint32_t        color;
 518                 char            *name;
 519         } c[SWM_S_COLOR_MAX];
 520
 521         xcb_gcontext_t          bar_gc;
 522 };
 523 struct swm_screen       *screens;
 524
 525 /* args to functions */
 526 union arg {
 527         int                     id;
 528 #define SWM_ARG_ID_FOCUSNEXT    (0)
 529 #define SWM_ARG_ID_FOCUSPREV    (1)
 530 #define SWM_ARG_ID_FOCUSMAIN    (2)
 531 #define SWM_ARG_ID_FOCUSCUR     (4)
 532 #define SWM_ARG_ID_SWAPNEXT     (10)
 533 #define SWM_ARG_ID_SWAPPREV     (11)
 534 #define SWM_ARG_ID_SWAPMAIN     (12)
 535 #define SWM_ARG_ID_MOVELAST     (13)
 536 #define SWM_ARG_ID_MASTERSHRINK (20)
 537 #define SWM_ARG_ID_MASTERGROW   (21)
 538 #define SWM_ARG_ID_MASTERADD    (22)
 539 #define SWM_ARG_ID_MASTERDEL    (23)
 540 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 541 #define SWM_ARG_ID_STACKRESET   (30)
 542 #define SWM_ARG_ID_STACKINIT    (31)
 543 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 544 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 545 #define SWM_ARG_ID_CYCLESC_UP   (42)
 546 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 547 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 548 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 549 #define SWM_ARG_ID_STACKINC     (50)
 550 #define SWM_ARG_ID_STACKDEC     (51)
 551 #define SWM_ARG_ID_SS_ALL       (60)
 552 #define SWM_ARG_ID_SS_WINDOW    (61)
 553 #define SWM_ARG_ID_DONTCENTER   (70)
 554 #define SWM_ARG_ID_CENTER       (71)
 555 #define SWM_ARG_ID_KILLWINDOW   (80)
 556 #define SWM_ARG_ID_DELETEWINDOW (81)
 557 #define SWM_ARG_ID_WIDTHGROW    (90)
 558 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 559 #define SWM_ARG_ID_HEIGHTGROW   (92)
 560 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 561 #define SWM_ARG_ID_MOVEUP       (100)
 562 #define SWM_ARG_ID_MOVEDOWN     (101)
 563 #define SWM_ARG_ID_MOVELEFT     (102)
 564 #define SWM_ARG_ID_MOVERIGHT    (103)
 565         char                    **argv;
 566 };
 567
 568 void    focus(struct swm_region *, union arg *);
 569 void    focus_magic(struct ws_win *);
 570
 571 /* quirks */
 572 struct quirk {
 573         TAILQ_ENTRY(quirk)      entry;
 574         char                    *class;
 575         char                    *name;
 576         unsigned long           quirk;
 577 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 578 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 579 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 580 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 581 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 582 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 583 };
 584 TAILQ_HEAD(quirk_list, quirk);
 585 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 586
 587 /*
 588  * Supported EWMH hints should be added to
 589  * both the enum and the ewmh array
 590  */
 591 enum {
 592         _NET_ACTIVE_WINDOW,
 593         _NET_CLOSE_WINDOW,
 594         _NET_MOVERESIZE_WINDOW,
 595         _NET_WM_ACTION_CLOSE,
 596         _NET_WM_ACTION_FULLSCREEN,
 597         _NET_WM_ACTION_MOVE,
 598         _NET_WM_ACTION_RESIZE,
 599         _NET_WM_ALLOWED_ACTIONS,
 600         _NET_WM_STATE,
 601         _NET_WM_STATE_ABOVE,
 602         _NET_WM_STATE_FULLSCREEN,
 603         _NET_WM_STATE_HIDDEN,
 604         _NET_WM_STATE_MAXIMIZED_HORZ,
 605         _NET_WM_STATE_MAXIMIZED_VERT,
 606         _NET_WM_STATE_SKIP_PAGER,
 607         _NET_WM_STATE_SKIP_TASKBAR,
 608         _NET_WM_WINDOW_TYPE,
 609         _NET_WM_WINDOW_TYPE_DIALOG,
 610         _NET_WM_WINDOW_TYPE_DOCK,
 611         _NET_WM_WINDOW_TYPE_NORMAL,
 612         _NET_WM_WINDOW_TYPE_SPLASH,
 613         _NET_WM_WINDOW_TYPE_TOOLBAR,
 614         _NET_WM_WINDOW_TYPE_UTILITY,
 615         _SWM_WM_STATE_MANUAL,
 616         SWM_EWMH_HINT_MAX
 617 };
 618
 619 struct ewmh_hint {
 620         char            *name;
 621         xcb_atom_t      atom;
 622 } ewmh[SWM_EWMH_HINT_MAX] =     {
 623     /* must be in same order as in the enum */
 624     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 625     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 626     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 627     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 628     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 629     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 630     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 631     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 632     {"_NET_WM_STATE", XCB_ATOM_NONE},
 633     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 634     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 635     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 636     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 637     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 638     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 639     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 640     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 641     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 642     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 643     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 644     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 645     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 646     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 647     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 648 };
 649
 650 void             store_float_geom(struct ws_win *, struct swm_region *);
 651 int              floating_toggle_win(struct ws_win *);
 652 void             constrain_window(struct ws_win *, struct swm_region *, int);
 653 void             update_window(struct ws_win *);
 654 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 655 char            *get_win_name(xcb_window_t);
 656 xcb_atom_t       get_atom_from_string(const char *);
 657 void            map_window_raised(xcb_window_t);
 658 void            do_sync(void);
 659 xcb_screen_t    *get_screen(int);
 660 int             parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 661 void            event_handle(xcb_generic_event_t *);
 662
 663 int
 664 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 665 {
 666         unsigned int    tmpr, tmpg, tmpb;
 667
 668         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 669                 return (-1);
 670
 671         *rr = tmpr << 8;
 672         *gg = tmpg << 8;
 673         *bb = tmpb << 8;
 674
 675         return (0);
 676 }
 677
 678 xcb_screen_t *
 679 get_screen(int screen)
 680 {
 681         xcb_screen_iterator_t i;
 682
 683         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 684         for (; i.rem; --screen, xcb_screen_next(&i))
 685                 if (screen == 0)
 686                         return (i.data);
 687
 688         return (NULL);
 689 }
 690
 691 void
 692 do_sync(void)
 693 {
 694         xcb_get_input_focus_cookie_t    c;
 695         xcb_get_input_focus_reply_t     *r;
 696
 697         /* mimic XSync() */
 698         c = xcb_get_input_focus(conn);
 699         xcb_flush(conn);
 700         r = xcb_get_input_focus_reply(conn, c, NULL);
 701         if (r)
 702                 free(r);
 703 }
 704
 705 void
 706 map_window_raised(xcb_window_t win)
 707 {
 708         uint32_t        val = XCB_STACK_MODE_ABOVE;
 709
 710         xcb_configure_window(conn, win,
 711                 XCB_CONFIG_WINDOW_STACK_MODE, &val);
 712
 713         xcb_map_window(conn, win);
 714         xcb_flush(conn);
 715 }
 716
 717 xcb_atom_t
 718 get_atom_from_string(const char *str)
 719 {
 720         xcb_intern_atom_cookie_t        c;
 721         xcb_intern_atom_reply_t         *r;
 722         xcb_atom_t                      atom;
 723
 724         c = xcb_intern_atom(conn, False, strlen(str), str);
 725         r = xcb_intern_atom_reply(conn, c, NULL);
 726         if (r) {
 727                 atom = r->atom;
 728                 free(r);
 729
 730                 return (atom);
 731         }
 732
 733         return (XCB_ATOM_NONE);
 734 }
 735
 736 void
 737 update_iconic(struct ws_win *win, int newv)
 738 {
 739         int32_t                         v = newv;
 740         xcb_atom_t                      iprop;
 741
 742         win->iconic = newv;
 743
 744         iprop = get_atom_from_string("_SWM_ICONIC");
 745         if (iprop == XCB_ATOM_NONE)
 746                 return;
 747
 748         if (newv)
 749                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 750                         iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 751         else
 752                 xcb_delete_property(conn, win->id, iprop);
 753 }
 754
 755 int32_t
 756 get_iconic(struct ws_win *win)
 757 {
 758         int32_t                         v = 0;
 759         xcb_atom_t                      iprop;
 760         xcb_get_property_reply_t        *pr = NULL;
 761
 762         iprop = get_atom_from_string("_SWM_ICONIC");
 763         if (iprop == XCB_ATOM_NONE)
 764                 goto out;
 765
 766         pr = xcb_get_property_reply(conn,
 767                 xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 768                         0, 1),
 769                 NULL);
 770         if (!pr)
 771                 goto out;
 772         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 773                 goto out;
 774         v = *((int32_t *)xcb_get_property_value(pr));
 775 out:
 776         if (pr)
 777                 free(pr);
 778         return (v);
 779 }
 780
 781 void
 782 setup_ewmh(void)
 783 {
 784         xcb_atom_t                      sup_list;
 785         int                             i, j, num_screens;
 786
 787         sup_list = get_atom_from_string("_NET_SUPPORTED");
 788
 789         for (i = 0; i < LENGTH(ewmh); i++)
 790                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 791
 792         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 793         for (i = 0; i < num_screens; i++) {
 794                 /* Support check window will be created by workaround(). */
 795
 796                 /* Report supported atoms */
 797                 xcb_delete_property(conn, screens[i].root, sup_list);
 798                 for (j = 0; j < LENGTH(ewmh); j++)
 799                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 800                                 screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 801                                 &ewmh[j].atom);
 802         }
 803 }
 804
 805 void
 806 teardown_ewmh(void)
 807 {
 808         int                             i, num_screens;
 809         xcb_atom_t                      sup_check, sup_list;
 810         xcb_window_t                    id;
 811         xcb_get_property_cookie_t       pc;
 812         xcb_get_property_reply_t        *pr;
 813
 814         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 815         sup_list = get_atom_from_string("_NET_SUPPORTED");
 816         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 817
 818         for (i = 0; i < num_screens; i++) {
 819                 /* Get the support check window and destroy it */
 820                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 821                         XCB_ATOM_WINDOW, 0, 1);
 822                 pr = xcb_get_property_reply(conn, pc, NULL);
 823                 if (pr) {
 824                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 825
 826                         xcb_destroy_window(conn, id);
 827                         xcb_delete_property(conn, screens[i].root, sup_check);
 828                         xcb_delete_property(conn, screens[i].root, sup_list);
 829
 830                         free(pr);
 831                 }
 832         }
 833 }
 834
 835 void
 836 ewmh_autoquirk(struct ws_win *win)
 837 {
 838         int                     i;
 839         unsigned long           n;
 840         xcb_atom_t              type;
 841
 842         xcb_get_property_cookie_t       c;
 843         xcb_get_property_reply_t        *r;
 844
 845         c = xcb_get_property(conn, False, win->id,
 846                 ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, (~0L));
 847         r = xcb_get_property_reply(conn, c, NULL);
 848         if (!r)
 849                 return;
 850         n = xcb_get_property_value_length(r);
 851
 852         for (i = 0; i < n; i++) {
 853                 type = *((xcb_atom_t *)xcb_get_property_value(r));
 854                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 855                         break;
 856                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 857                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 858                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 859                         win->floating = 1;
 860                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 861                         break;
 862                 }
 863                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 864                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 865                         win->floating = 1;
 866                         win->quirks = SWM_Q_FLOAT;
 867                         break;
 868                 }
 869         }
 870         free(r);
 871 }
 872
 873 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 874 #define EWMH_F_FULLSCREEN               (1<<0)
 875 #define EWMH_F_ABOVE                    (1<<1)
 876 #define EWMH_F_HIDDEN                   (1<<2)
 877 #define EWMH_F_SKIP_PAGER               (1<<3)
 878 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 879 #define SWM_F_MANUAL                    (1<<5)
 880
 881 int
 882 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 883 {
 884         if (!win->ws->r)
 885                 return (0);
 886
 887         if (!win->floating)
 888                 return (0);
 889
 890         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 891             "fullscreen %s\n", win->id, YESNO(fs));
 892
 893         if (fs) {
 894                 if (!win->g_floatvalid)
 895                         store_float_geom(win, win->ws->r);
 896
 897                 win->g = win->ws->r->g;
 898                 win->bordered = 0;
 899         } else {
 900                 if (win->g_floatvalid) {
 901                         /* refloat at last floating relative position */
 902                         win->g = win->g_float;
 903                         X(win) += X(win->ws->r);
 904                         Y(win) += Y(win->ws->r);
 905                 }
 906         }
 907
 908         return (1);
 909 }
 910
 911 void
 912 ewmh_update_actions(struct ws_win *win)
 913 {
 914         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 915         int                     n = 0;
 916
 917         if (win == NULL)
 918                 return;
 919
 920         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 921
 922         if (win->floating) {
 923                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 924                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 925         }
 926
 927         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 928                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 929                 actions);
 930 }
 931
 932 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 933 #define _NET_WM_STATE_ADD       1    /* add/set property */
 934 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 935
 936 void
 937 ewmh_update_win_state(struct ws_win *win, long state, long action)
 938 {
 939         unsigned int            mask = 0;
 940         unsigned int            changed = 0;
 941         unsigned int            orig_flags;
 942
 943         if (win == NULL)
 944                 return;
 945
 946         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 947                 mask = EWMH_F_FULLSCREEN;
 948         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 949                 mask = EWMH_F_ABOVE;
 950         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 951                 mask = SWM_F_MANUAL;
 952         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 953                 mask = EWMH_F_SKIP_PAGER;
 954         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 955                 mask = EWMH_F_SKIP_TASKBAR;
 956
 957
 958         orig_flags = win->ewmh_flags;
 959
 960         switch (action) {
 961         case _NET_WM_STATE_REMOVE:
 962                 win->ewmh_flags &= ~mask;
 963                 break;
 964         case _NET_WM_STATE_ADD:
 965                 win->ewmh_flags |= mask;
 966                 break;
 967         case _NET_WM_STATE_TOGGLE:
 968                 win->ewmh_flags ^= mask;
 969                 break;
 970         }
 971
 972         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 973
 974         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 975                 if (changed)
 976                         if (!floating_toggle_win(win))
 977                                 win->ewmh_flags = orig_flags; /* revert */
 978         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 979                 if (changed)
 980                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 981         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 982                 if (changed)
 983                         if (!ewmh_set_win_fullscreen(win,
 984                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 985                                 win->ewmh_flags = orig_flags; /* revert */
 986
 987         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 988
 989         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 990                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 991                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 992                         &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 993         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 994                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 995                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 996                         &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 997         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 998                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 999                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1000                         &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1001         if (win->ewmh_flags & EWMH_F_ABOVE)
1002                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1003                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1004                         &ewmh[_NET_WM_STATE_ABOVE].atom);
1005         if (win->ewmh_flags & SWM_F_MANUAL)
1006                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1007                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1008                         &ewmh[_SWM_WM_STATE_MANUAL].atom);
1009 }
1010
1011 void
1012 ewmh_get_win_state(struct ws_win *win)
1013 {
1014         xcb_atom_t                      *states;
1015         xcb_get_property_cookie_t       c;
1016         xcb_get_property_reply_t        *r;
1017         int                             i, n;
1018
1019         if (win == NULL)
1020                 return;
1021
1022         win->ewmh_flags = 0;
1023         if (win->floating)
1024                 win->ewmh_flags |= EWMH_F_ABOVE;
1025         if (win->manual)
1026                 win->ewmh_flags |= SWM_F_MANUAL;
1027
1028         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1029                 XCB_ATOM_ATOM, 0, (~0L));
1030         r = xcb_get_property_reply(conn, c, NULL);
1031         if (!r)
1032                 return;
1033
1034         states = xcb_get_property_value(r);
1035         n = xcb_get_property_value_length(r);
1036
1037         for (i = 0; i < n; i++)
1038                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1039
1040         free(r);
1041 }
1042
1043 /* events */
1044 #ifdef SWM_DEBUG
1045 char *
1046 geteventname(xcb_generic_event_t *e)
1047 {
1048         char                    *name = NULL;
1049
1050         switch (XCB_EVENT_RESPONSE_TYPE(e)) {
1051         case XCB_KEY_PRESS:
1052                 name = "KeyPress";
1053                 break;
1054         case XCB_KEY_RELEASE:
1055                 name = "KeyRelease";
1056                 break;
1057         case XCB_BUTTON_PRESS:
1058                 name = "ButtonPress";
1059                 break;
1060         case XCB_BUTTON_RELEASE:
1061                 name = "ButtonRelease";
1062                 break;
1063         case XCB_MOTION_NOTIFY:
1064                 name = "MotionNotify";
1065                 break;
1066         case XCB_ENTER_NOTIFY:
1067                 name = "EnterNotify";
1068                 break;
1069         case XCB_LEAVE_NOTIFY:
1070                 name = "LeaveNotify";
1071                 break;
1072         case XCB_FOCUS_IN:
1073                 name = "FocusIn";
1074                 break;
1075         case XCB_FOCUS_OUT:
1076                 name = "FocusOut";
1077                 break;
1078         case XCB_KEYMAP_NOTIFY:
1079                 name = "KeymapNotify";
1080                 break;
1081         case XCB_EXPOSE:
1082                 name = "Expose";
1083                 break;
1084         case XCB_GRAPHICS_EXPOSURE:
1085                 name = "GraphicsExposure";
1086                 break;
1087         case XCB_NO_EXPOSURE:
1088                 name = "NoExposure";
1089                 break;
1090         case XCB_VISIBILITY_NOTIFY:
1091                 name = "VisibilityNotify";
1092                 break;
1093         case XCB_CREATE_NOTIFY:
1094                 name = "CreateNotify";
1095                 break;
1096         case XCB_DESTROY_NOTIFY:
1097                 name = "DestroyNotify";
1098                 break;
1099         case XCB_UNMAP_NOTIFY:
1100                 name = "UnmapNotify";
1101                 break;
1102         case XCB_MAP_NOTIFY:
1103                 name = "MapNotify";
1104                 break;
1105         case XCB_MAP_REQUEST:
1106                 name = "MapRequest";
1107                 break;
1108         case XCB_REPARENT_NOTIFY:
1109                 name = "ReparentNotify";
1110                 break;
1111         case XCB_CONFIGURE_NOTIFY:
1112                 name = "ConfigureNotify";
1113                 break;
1114         case XCB_CONFIGURE_REQUEST:
1115                 name = "ConfigureRequest";
1116                 break;
1117         case XCB_GRAVITY_NOTIFY:
1118                 name = "GravityNotify";
1119                 break;
1120         case XCB_RESIZE_REQUEST:
1121                 name = "ResizeRequest";
1122                 break;
1123         case XCB_CIRCULATE_NOTIFY:
1124                 name = "CirculateNotify";
1125                 break;
1126         case XCB_CIRCULATE_REQUEST:
1127                 name = "CirculateRequest";
1128                 break;
1129         case XCB_PROPERTY_NOTIFY:
1130                 name = "PropertyNotify";
1131                 break;
1132         case XCB_SELECTION_CLEAR:
1133                 name = "SelectionClear";
1134                 break;
1135         case XCB_SELECTION_REQUEST:
1136                 name = "SelectionRequest";
1137                 break;
1138         case XCB_SELECTION_NOTIFY:
1139                 name = "SelectionNotify";
1140                 break;
1141         case XCB_COLORMAP_NOTIFY:
1142                 name = "ColormapNotify";
1143                 break;
1144         case XCB_CLIENT_MESSAGE:
1145                 name = "ClientMessage";
1146                 break;
1147         case XCB_MAPPING_NOTIFY:
1148                 name = "MappingNotify";
1149                 break;
1150         default:
1151                 name = "Unknown";
1152         }
1153
1154         return (name);
1155 }
1156
1157 void
1158 dumpwins(struct swm_region *r, union arg *args)
1159 {
1160         struct ws_win                           *win;
1161         uint16_t                                state;
1162         xcb_get_window_attributes_cookie_t      c;
1163         xcb_get_window_attributes_reply_t       *wa;
1164
1165         if (r->ws == NULL) {
1166                 warnx("dumpwins: invalid workspace");
1167                 return;
1168         }
1169
1170         warnx("=== managed window list ws %02d ===", r->ws->idx);
1171         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1172                 state = getstate(win->id);
1173                 c = xcb_get_window_attributes(conn, win->id);
1174                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1175                 if (wa) {
1176                         warnx("window: 0x%x, map_state: %d, state: %u, "
1177                                 "transient: 0x%x", win->id, wa->map_state,
1178                                 state, win->transient);
1179                         free(wa);
1180                 } else
1181                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1182                             win->id);
1183         }
1184
1185         warnx("===== unmanaged window list =====");
1186         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1187                 state = getstate(win->id);
1188                 c = xcb_get_window_attributes(conn, win->id);
1189                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1190                 if (wa) {
1191                         warnx("window: 0x%x, map_state: %d, state: %u, "
1192                                 "transient: 0x%x", win->id, wa->map_state,
1193                                 state, win->transient);
1194                         free(wa);
1195                 } else
1196                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1197                             win->id);
1198         }
1199
1200         warnx("=================================");
1201 }
1202 #else
1203 void
1204 dumpwins(struct swm_region *r, union arg *args)
1205 {
1206 }
1207 #endif /* SWM_DEBUG */
1208
1209 void                    expose(xcb_expose_event_t *);
1210 void                    keypress(xcb_key_press_event_t *);
1211 void                    buttonpress(xcb_button_press_event_t *);
1212 void                    configurerequest(xcb_configure_request_event_t *);
1213 void                    configurenotify(xcb_configure_notify_event_t *);
1214 void                    destroynotify(xcb_destroy_notify_event_t *);
1215 void                    enternotify(xcb_enter_notify_event_t *);
1216 void                    mapnotify(xcb_map_notify_event_t *);
1217 void                    mappingnotify(xcb_mapping_notify_event_t *);
1218 void                    maprequest(xcb_map_request_event_t *);
1219 void                    propertynotify(xcb_property_notify_event_t *);
1220 void                    unmapnotify(xcb_unmap_notify_event_t *);
1221 void                    visibilitynotify(xcb_visibility_notify_event_t *);
1222 void                    clientmessage(xcb_client_message_event_t *);
1223 void                    screenchange(xcb_randr_screen_change_notify_event_t *);
1224
1225 void
1226 sighdlr(int sig)
1227 {
1228         int                     saved_errno, status;
1229         pid_t                   pid;
1230
1231         saved_errno = errno;
1232
1233         switch (sig) {
1234         case SIGCHLD:
1235                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1236                         if (pid == -1) {
1237                                 if (errno == EINTR)
1238                                         continue;
1239 #ifdef SWM_DEBUG
1240                                 if (errno != ECHILD)
1241                                         warn("sighdlr: waitpid");
1242 #endif /* SWM_DEBUG */
1243                                 break;
1244                         }
1245                         if (pid == searchpid)
1246                                 search_resp = 1;
1247
1248 #ifdef SWM_DEBUG
1249                         if (WIFEXITED(status)) {
1250                                 if (WEXITSTATUS(status) != 0)
1251                                         warnx("sighdlr: child exit status: %d",
1252                                             WEXITSTATUS(status));
1253                         } else
1254                                 warnx("sighdlr: child is terminated "
1255                                     "abnormally");
1256 #endif /* SWM_DEBUG */
1257                 }
1258                 break;
1259
1260         case SIGHUP:
1261                 restart_wm = 1;
1262                 break;
1263         case SIGINT:
1264         case SIGTERM:
1265         case SIGQUIT:
1266                 running = 0;
1267                 break;
1268         }
1269
1270         errno = saved_errno;
1271 }
1272
1273 struct pid_e *
1274 find_pid(long pid)
1275 {
1276         struct pid_e            *p = NULL;
1277
1278         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1279
1280         if (pid == 0)
1281                 return (NULL);
1282
1283         TAILQ_FOREACH(p, &pidlist, entry) {
1284                 if (p->pid == pid)
1285                         return (p);
1286         }
1287
1288         return (NULL);
1289 }
1290
1291 uint32_t
1292 name_to_color(const char *colorname)
1293 {
1294         uint32_t                        result = 0;
1295         char                            cname[32] = "#";
1296         xcb_screen_t                    *screen;
1297         xcb_colormap_t                  cmap;
1298         xcb_alloc_color_reply_t         *cr;
1299         xcb_alloc_named_color_reply_t   *nr;
1300         uint16_t                        rr, gg, bb;
1301
1302         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1303         cmap = screen->default_colormap;
1304
1305         /* color is in format rgb://rr/gg/bb */
1306         if (strncmp(colorname, "rgb:", 4) == 0) {
1307                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1308                         warnx("could not parse rgb %s", colorname);
1309                 else {
1310                         cr = xcb_alloc_color_reply(conn,
1311                                 xcb_alloc_color(conn, cmap, rr, gg, bb),
1312                                 NULL);
1313                         if (cr) {
1314                                 result = cr->pixel;
1315                                 free(cr);
1316                         } else
1317                                 warnx("color '%s' not found", colorname);
1318                 }
1319         } else {
1320                 nr = xcb_alloc_named_color_reply(conn,
1321                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1322                                 colorname),
1323                         NULL);
1324                 if (!nr) {
1325                         strlcat(cname, colorname + 2, sizeof cname - 1);
1326                         nr = xcb_alloc_named_color_reply(conn,
1327                                 xcb_alloc_named_color(conn, cmap, strlen(cname),
1328                                         cname),
1329                                 NULL);
1330                 }
1331                 if (nr) {
1332                         result = nr->pixel;
1333                         free(nr);
1334                 } else
1335                         warnx("color '%s' not found", colorname);
1336         }
1337
1338         return (result);
1339 }
1340
1341 void
1342 setscreencolor(char *val, int i, int c)
1343 {
1344         int     num_screens;
1345
1346         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1347         if (i > 0 && i <= num_screens) {
1348                 screens[i - 1].c[c].color = name_to_color(val);
1349                 free(screens[i - 1].c[c].name);
1350                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1351                         err(1, "strdup");
1352         } else if (i == -1) {
1353                 for (i = 0; i < num_screens; i++) {
1354                         screens[i].c[c].color = name_to_color(val);
1355                         free(screens[i].c[c].name);
1356                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1357                                 err(1, "strdup");
1358                 }
1359         } else
1360                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1361                     i, num_screens);
1362 }
1363
1364 void
1365 fancy_stacker(struct workspace *ws)
1366 {
1367         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1368         if (ws->cur_layout->l_stack == vertical_stack)
1369                 snprintf(ws->stacker, sizeof ws->stacker,
1370                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1371                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1372         if (ws->cur_layout->l_stack == horizontal_stack)
1373                 snprintf(ws->stacker, sizeof ws->stacker,
1374                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1375                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1376 }
1377
1378 void
1379 plain_stacker(struct workspace *ws)
1380 {
1381         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1382         if (ws->cur_layout->l_stack == vertical_stack)
1383                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1384                     sizeof ws->stacker);
1385         if (ws->cur_layout->l_stack == horizontal_stack)
1386                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1387                     sizeof ws->stacker);
1388 }
1389
1390 void
1391 custom_region(char *val)
1392 {
1393         unsigned int                    sidx, x, y, w, h;
1394         int                             num_screens;
1395         xcb_screen_t                    *screen;
1396
1397         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1398         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1399                 errx(1, "invalid custom region, "
1400                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1401         if (sidx < 1 || sidx > num_screens)
1402                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1403                     sidx, num_screens);
1404         sidx--;
1405
1406         screen = get_screen(sidx);
1407         if (w < 1 || h < 1)
1408                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1409
1410         if (x > screen->width_in_pixels ||
1411             y > screen->height_in_pixels ||
1412             w + x > screen->width_in_pixels ||
1413             h + y > screen->height_in_pixels) {
1414                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1415                     "boundaries (%ux%u)", w, h, x, y,
1416                     screen->width_in_pixels, screen->height_in_pixels);
1417                 return;
1418         }
1419
1420         new_region(&screens[sidx], x, y, w, h);
1421 }
1422
1423 void
1424 socket_setnonblock(int fd)
1425 {
1426         int                     flags;
1427
1428         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1429                 err(1, "fcntl F_GETFL");
1430         flags |= O_NONBLOCK;
1431         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1432                 err(1, "fcntl F_SETFL");
1433 }
1434
1435 void
1436 bar_print(struct swm_region *r, const char *s)
1437 {
1438         int                     x = 0;
1439         size_t                  len;
1440         xcb_rectangle_t         rect;
1441         uint32_t                gcv[1];
1442         XRectangle              ibox, lbox;
1443
1444         len = strlen(s);
1445         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1446
1447         switch (bar_justify) {
1448         case SWM_BAR_JUSTIFY_LEFT:
1449                 x = SWM_BAR_OFFSET;
1450                 break;
1451         case SWM_BAR_JUSTIFY_CENTER:
1452                 x = (WIDTH(r) - lbox.width) / 2;
1453                 break;
1454         case SWM_BAR_JUSTIFY_RIGHT:
1455                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1456                 break;
1457         }
1458
1459         if (x < SWM_BAR_OFFSET)
1460                 x = SWM_BAR_OFFSET;
1461
1462         rect.x = 0;
1463         rect.y = 0;
1464         rect.width = WIDTH(r->bar);
1465         rect.height = HEIGHT(r->bar);
1466
1467         /* clear back buffer */
1468         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1469         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1470         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1471                 sizeof(rect), &rect);
1472
1473         /* draw back buffer */
1474         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1475         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_BACKGROUND, gcv);
1476         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1477         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1478         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1479                 (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1480                 lbox.y, s);
1481
1482         /* blt */
1483         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1484                 0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1485 }
1486
1487 void
1488 bar_extra_stop(void)
1489 {
1490         if (bar_pipe[0]) {
1491                 close(bar_pipe[0]);
1492                 bzero(bar_pipe, sizeof bar_pipe);
1493         }
1494         if (bar_pid) {
1495                 kill(bar_pid, SIGTERM);
1496                 bar_pid = 0;
1497         }
1498         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1499         bar_extra = 0;
1500 }
1501
1502 void
1503 bar_class_name(char *s, size_t sz, struct swm_region *r)
1504 {
1505         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1506                 return;
1507         if (r->ws->focus->ch.class_name != NULL)
1508                 strlcat(s, r->ws->focus->ch.class_name, sz);
1509 }
1510
1511 void
1512 bar_title_name(char *s, size_t sz, struct swm_region *r)
1513 {
1514         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1515                 return;
1516         if (r->ws->focus->ch.instance_name != NULL)
1517                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1518 }
1519
1520 void
1521 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1522 {
1523         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1524                 return;
1525
1526         bar_class_name(s, sz, r);
1527         strlcat(s, ":", sz);
1528         bar_title_name(s, sz, r);
1529 }
1530
1531 void
1532 bar_window_float(char *s, size_t sz, struct swm_region *r)
1533 {
1534         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1535                 return;
1536         if (r->ws->focus->floating)
1537                 strlcat(s, "(f)", sz);
1538 }
1539
1540 void
1541 bar_window_name(char *s, size_t sz, struct swm_region *r)
1542 {
1543         char            *title;
1544
1545         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1546                 return;
1547         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1548                 return;
1549
1550         strlcat(s, title, sz);
1551         free(title);
1552 }
1553
1554 int             urgent[SWM_WS_MAX];
1555 void
1556 bar_urgent(char *s, size_t sz)
1557 {
1558         struct ws_win           *win;
1559         int                     i, j, num_screens;
1560         char                    b[8];
1561         xcb_get_property_cookie_t       c;
1562         xcb_icccm_wm_hints_t    hints;
1563
1564         for (i = 0; i < workspace_limit; i++)
1565                 urgent[i] = 0;
1566
1567         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1568         for (i = 0; i < num_screens; i++)
1569                 for (j = 0; j < workspace_limit; j++)
1570                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1571                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1572                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1573                                                 &hints, NULL) == 0)
1574                                         continue;
1575                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1576                                         urgent[j] = 1;
1577                         }
1578
1579         for (i = 0; i < workspace_limit; i++) {
1580                 if (urgent[i])
1581                         snprintf(b, sizeof b, "%d ", i + 1);
1582                 else
1583                         snprintf(b, sizeof b, "- ");
1584                 strlcat(s, b, sz);
1585         }
1586 }
1587
1588 void
1589 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1590 {
1591         if (r == NULL || r->ws == NULL)
1592                 return;
1593         if (r->ws->name != NULL)
1594                 strlcat(s, r->ws->name, sz);
1595 }
1596
1597 /* build the default bar format according to the defined enabled options */
1598 void
1599 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1600 {
1601         /* if format provided, just copy the buffers */
1602         if (bar_format != NULL) {
1603                 strlcpy(fmtnew, fmtexp, sz);
1604                 return;
1605         }
1606
1607         /* reset the output buffer */
1608         *fmtnew = '\0';
1609
1610         strlcat(fmtnew, "+N:+I ", sz);
1611         if (stack_enabled)
1612                 strlcat(fmtnew, "+S", sz);
1613         strlcat(fmtnew, " ", sz);
1614
1615         /* only show the workspace name if there's actually one */
1616         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1617                 strlcat(fmtnew, "<+D>", sz);
1618         strlcat(fmtnew, "+3<", sz);
1619
1620         if (clock_enabled) {
1621                 strlcat(fmtnew, fmtexp, sz);
1622                 strlcat(fmtnew, "+4<", sz);
1623         }
1624
1625         /* bar_urgent already adds the space before the last asterisk */
1626         if (urgent_enabled)
1627                 strlcat(fmtnew, "* +U*+4<", sz);
1628
1629         if (title_class_enabled) {
1630                 strlcat(fmtnew, "+C", sz);
1631                 if (title_name_enabled == 0)
1632                         strlcat(fmtnew, "+4<", sz);
1633         }
1634
1635         /* checks needed by the colon and floating strlcat(3) calls below */
1636         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1637                 if (title_name_enabled) {
1638                         if (title_class_enabled)
1639                                 strlcat(fmtnew, ":", sz);
1640                         strlcat(fmtnew, "+T+4<", sz);
1641                 }
1642                 if (window_name_enabled) {
1643                         if (r->ws->focus->floating)
1644                                 strlcat(fmtnew, "+F ", sz);
1645                         strlcat(fmtnew, "+64W ", sz);
1646                 }
1647         }
1648
1649         /* finally add the action script output and the version */
1650         strlcat(fmtnew, "+4<+A+4<+V", sz);
1651 }
1652
1653 void
1654 bar_replace_pad(char *tmp, int *limit, size_t sz)
1655 {
1656         /* special case; no limit given, pad one space, instead */
1657         if (*limit == sz - 1)
1658                 *limit = 1;
1659         snprintf(tmp, sz, "%*s", *limit, " ");
1660 }
1661
1662 /* replaces the bar format character sequences (like in tmux(1)) */
1663 char *
1664 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1665     size_t sz)
1666 {
1667         char                    *ptr;
1668         char                    tmp[SWM_BAR_MAX];
1669         int                     limit, size;
1670         size_t                  len;
1671
1672         /* reset strlcat(3) buffer */
1673         *tmp = '\0';
1674
1675         /* get number, if any */
1676         fmt++;
1677         size = 0;
1678         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1679                 limit = sizeof tmp - 1;
1680         if (limit <= 0 || limit >= sizeof tmp)
1681                 limit = sizeof tmp - 1;
1682
1683         /* there is nothing to replace (ie EOL) */
1684         fmt += size;
1685         if (*fmt == '\0')
1686                 return (fmt);
1687
1688         switch (*fmt) {
1689         case '<':
1690                 bar_replace_pad(tmp, &limit, sizeof tmp);
1691                 break;
1692         case 'A':
1693                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1694                 break;
1695         case 'C':
1696                 bar_class_name(tmp, sizeof tmp, r);
1697                 break;
1698         case 'D':
1699                 bar_workspace_name(tmp, sizeof tmp, r);
1700                 break;
1701         case 'F':
1702                 bar_window_float(tmp, sizeof tmp, r);
1703                 break;
1704         case 'I':
1705                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1706                 break;
1707         case 'N':
1708                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1709                 break;
1710         case 'P':
1711                 bar_class_title_name(tmp, sizeof tmp, r);
1712                 break;
1713         case 'S':
1714                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1715                 break;
1716         case 'T':
1717                 bar_title_name(tmp, sizeof tmp, r);
1718                 break;
1719         case 'U':
1720                 bar_urgent(tmp, sizeof tmp);
1721                 break;
1722         case 'V':
1723                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1724                 break;
1725         case 'W':
1726                 bar_window_name(tmp, sizeof tmp, r);
1727                 break;
1728         default:
1729                 /* unknown character sequence; copy as-is */
1730                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1731                 break;
1732         }
1733
1734         len = strlen(tmp);
1735         ptr = tmp;
1736         if (len < limit)
1737                 limit = len;
1738         while (limit-- > 0) {
1739                 if (*offrep >= sz - 1)
1740                         break;
1741                 fmtrep[(*offrep)++] = *ptr++;
1742         }
1743
1744         fmt++;
1745         return (fmt);
1746 }
1747
1748 void
1749 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1750 {
1751         size_t                  off;
1752
1753         off = 0;
1754         while (*fmt != '\0') {
1755                 if (*fmt != '+') {
1756                         /* skip ordinary characters */
1757                         if (off >= sz - 1)
1758                                 break;
1759                         fmtrep[off++] = *fmt++;
1760                         continue;
1761                 }
1762
1763                 /* character sequence found; replace it */
1764                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1765                 if (off >= sz - 1)
1766                         break;
1767         }
1768
1769         fmtrep[off] = '\0';
1770 }
1771
1772 void
1773 bar_fmt_expand(char *fmtexp, size_t sz)
1774 {
1775         char                    *fmt = NULL;
1776         size_t                  len;
1777         struct tm               tm;
1778         time_t                  tmt;
1779
1780         /* start by grabbing the current time and date */
1781         time(&tmt);
1782         localtime_r(&tmt, &tm);
1783
1784         /* figure out what to expand */
1785         if (bar_format != NULL)
1786                 fmt = bar_format;
1787         else if (bar_format == NULL && clock_enabled)
1788                 fmt = clock_format;
1789         /* if nothing to expand bail out */
1790         if (fmt == NULL) {
1791                 *fmtexp = '\0';
1792                 return;
1793         }
1794
1795         /* copy as-is, just in case the format shouldn't be expanded below */
1796         strlcpy(fmtexp, fmt, sz);
1797         /* finally pass the string through strftime(3) */
1798 #ifndef SWM_DENY_CLOCK_FORMAT
1799         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1800                 warnx("format too long");
1801         fmtexp[len] = '\0';
1802 #endif
1803 }
1804
1805 void
1806 bar_fmt_print(void)
1807 {
1808         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1809         char                    fmtrep[SWM_BAR_MAX];
1810         int                     i, num_screens;
1811         struct swm_region       *r;
1812
1813         /* expand the format by first passing it through strftime(3) */
1814         bar_fmt_expand(fmtexp, sizeof fmtexp);
1815
1816         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1817         for (i = 0; i < num_screens; i++) {
1818                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1819                         if (r->bar == NULL)
1820                                 continue;
1821                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1822                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1823                         bar_print(r, fmtrep);
1824                 }
1825         }
1826 }
1827
1828 void
1829 bar_update(void)
1830 {
1831         size_t                  len;
1832         char                    *b;
1833
1834         if (bar_enabled == 0)
1835                 return;
1836         if (bar_extra && bar_extra_running) {
1837                 /* ignore short reads; it'll correct itself */
1838                 while ((b = fgetln(stdin, &len)) != NULL)
1839                         if (b && b[len - 1] == '\n') {
1840                                 b[len - 1] = '\0';
1841                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1842                         }
1843                 if (b == NULL && errno != EAGAIN) {
1844                         warn("bar_update: bar_extra failed");
1845                         bar_extra_stop();
1846                 }
1847         } else
1848                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1849
1850         bar_fmt_print();
1851         alarm(bar_delay);
1852 }
1853
1854 void
1855 bar_signal(int sig)
1856 {
1857         bar_alarm = 1;
1858 }
1859
1860 void
1861 bar_toggle(struct swm_region *r, union arg *args)
1862 {
1863         struct swm_region       *tmpr;
1864         int                     i, num_screens;
1865
1866         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1867
1868         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1869         if (bar_enabled) {
1870                 for (i = 0; i < num_screens; i++)
1871                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1872                                 if (tmpr->bar)
1873                                         xcb_unmap_window(conn, tmpr->bar->id);
1874         } else {
1875                 for (i = 0; i < num_screens; i++)
1876                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1877                                 if (tmpr->bar)
1878                                         map_window_raised(tmpr->bar->id);
1879         }
1880
1881         bar_enabled = !bar_enabled;
1882
1883         stack();
1884         /* must be after stack */
1885         bar_update();
1886 }
1887
1888 void
1889 bar_refresh(void)
1890 {
1891         struct swm_region       *r;
1892         uint32_t                wa[2];
1893         int                     i, num_screens;
1894
1895         /* do this here because the conf file is in memory */
1896         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1897                 /* launch external status app */
1898                 bar_extra_running = 1;
1899                 if (pipe(bar_pipe) == -1)
1900                         err(1, "pipe error");
1901                 socket_setnonblock(bar_pipe[0]);
1902                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1903                 if (dup2(bar_pipe[0], 0) == -1)
1904                         err(1, "dup2");
1905                 if (dup2(bar_pipe[1], 1) == -1)
1906                         err(1, "dup2");
1907                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1908                         err(1, "could not disable SIGPIPE");
1909                 switch (bar_pid = fork()) {
1910                 case -1:
1911                         err(1, "cannot fork");
1912                         break;
1913                 case 0: /* child */
1914                         close(bar_pipe[0]);
1915                         execvp(bar_argv[0], bar_argv);
1916                         err(1, "%s external app failed", bar_argv[0]);
1917                         break;
1918                 default: /* parent */
1919                         close(bar_pipe[1]);
1920                         break;
1921                 }
1922         }
1923
1924         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1925         for (i = 0; i < num_screens; i++)
1926                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1927                         if (r->bar == NULL)
1928                                 continue;
1929                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1930                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1931                         xcb_change_window_attributes(conn, r->bar->id,
1932                                 XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1933                 }
1934         bar_update();
1935 }
1936
1937 void
1938 bar_setup(struct swm_region *r)
1939 {
1940         char                    *default_string;
1941         char                    **missing_charsets;
1942         int                     num_missing_charsets = 0;
1943         int                     i;
1944         xcb_screen_t            *screen = get_screen(r->s->idx);
1945         uint32_t                wa[2];
1946
1947         if (bar_fs) {
1948                 XFreeFontSet(display, bar_fs);
1949                 bar_fs = NULL;
1950         }
1951
1952         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1953                 err(1, "bar_setup: calloc: failed to allocate memory.");
1954
1955         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1956
1957         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1958             &num_missing_charsets, &default_string);
1959
1960         if (num_missing_charsets > 0) {
1961                 warnx("Unable to load charset(s):");
1962
1963                 for (i = 0; i < num_missing_charsets; ++i)
1964                         warnx("%s", missing_charsets[i]);
1965
1966                 XFreeStringList(missing_charsets);
1967
1968                 if (strcmp(default_string, ""))
1969                         warnx("Glyphs from those sets will be replaced "
1970                             "by '%s'.", default_string);
1971                 else
1972                         warnx("Glyphs from those sets won't be drawn.");
1973         }
1974
1975         if (bar_fs == NULL)
1976                 errx(1, "Error creating font set structure.");
1977
1978         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1979
1980         bar_height = bar_fs_extents->max_logical_extent.height +
1981             2 * bar_border_width;
1982
1983         if (bar_height < 1)
1984                 bar_height = 1;
1985
1986         X(r->bar) = X(r);
1987         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1988         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1989         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1990
1991         r->bar->id = xcb_generate_id(conn);
1992         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
1993         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
1994         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1995             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1996             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1997             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1998
1999         r->bar->buffer = xcb_generate_id(conn);
2000         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2001                 WIDTH(r->bar), HEIGHT(r->bar));
2002
2003         xcb_randr_select_input(conn, r->bar->id,
2004                 XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2005
2006         if (bar_enabled)
2007                 map_window_raised(r->bar->id);
2008
2009         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2010             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2011             HEIGHT(r->bar));
2012
2013         if (signal(SIGALRM, bar_signal) == SIG_ERR)
2014                 err(1, "could not install bar_signal");
2015         bar_refresh();
2016 }
2017
2018 void
2019 bar_cleanup(struct swm_region *r)
2020 {
2021         if (r->bar == NULL)
2022                 return;
2023         xcb_destroy_window(conn, r->bar->id);
2024         xcb_free_pixmap(conn, r->bar->buffer);
2025         free(r->bar);
2026         r->bar = NULL;
2027 }
2028
2029 void
2030 set_win_state(struct ws_win *win, uint16_t state)
2031 {
2032         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2033
2034         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
2035
2036         if (win == NULL)
2037                 return;
2038
2039         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, astate,
2040                 astate, 32, 2, data);
2041 }
2042
2043 uint16_t
2044 getstate(xcb_window_t w)
2045 {
2046         uint16_t                        result = 0;
2047         xcb_get_property_cookie_t       c;
2048         xcb_get_property_reply_t        *r;
2049
2050         c = xcb_get_property(conn, False, w, astate, astate, 0L, 2L);
2051         r = xcb_get_property_reply(conn, c, NULL);
2052
2053         if (r) {
2054                 result = *((uint16_t *)xcb_get_property_value(r));
2055                 free(r);
2056         }
2057
2058         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2059 result);
2060         return (result);
2061 }
2062
2063 void
2064 version(struct swm_region *r, union arg *args)
2065 {
2066         bar_version = !bar_version;
2067         if (bar_version)
2068                 snprintf(bar_vertext, sizeof bar_vertext,
2069                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2070         else
2071                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2072         bar_update();
2073 }
2074
2075 void
2076 client_msg(struct ws_win *win, xcb_atom_t a)
2077 {
2078         xcb_client_message_event_t      ev;
2079
2080         if (win == NULL)
2081                 return;
2082
2083         bzero(&ev, sizeof ev);
2084         ev.response_type = XCB_CLIENT_MESSAGE;
2085         ev.window = win->id;
2086         ev.type = aprot;
2087         ev.format = 32;
2088         ev.data.data32[0] = a;
2089         ev.data.data32[1] = XCB_CURRENT_TIME;
2090
2091         xcb_send_event(conn, False, win->id,
2092                 XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2093 }
2094
2095 /* synthetic response to a ConfigureRequest when not making a change */
2096 void
2097 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2098 {
2099         xcb_configure_notify_event_t ce;
2100
2101         if (win == NULL)
2102                 return;
2103
2104         /* send notification of unchanged state. */
2105         bzero(&ce, sizeof(ce));
2106         ce.response_type = XCB_CONFIGURE_NOTIFY;
2107         ce.x = X(win);
2108         ce.y = Y(win);
2109         ce.width = WIDTH(win);
2110         ce.height = HEIGHT(win);
2111         ce.override_redirect = False;
2112
2113         if (ev == NULL) {
2114                 /* EWMH */
2115                 ce.event = win->id;
2116                 ce.window = win->id;
2117                 ce.border_width = BORDER(win);
2118                 ce.above_sibling = XCB_WINDOW_NONE;
2119         } else {
2120                 /* normal */
2121                 ce.event = ev->window;
2122                 ce.window = ev->window;
2123
2124                 /* make response appear more WM_SIZE_HINTS-compliant */
2125                 if (win->sh.flags)
2126                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2127                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2128                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2129                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2130                             SH_INC_W(win), SH_INC_H(win));
2131
2132                 /* min size */
2133                 if (SH_MIN(win)) {
2134                         /* the hint may be set... to 0! */
2135                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2136                                 ce.width = SH_MIN_W(win);
2137                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2138                                 ce.height = SH_MIN_H(win);
2139                 }
2140
2141                 /* max size */
2142                 if (SH_MAX(win)) {
2143                         /* may also be advertized as 0 */
2144                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2145                                 ce.width = SH_MAX_W(win);
2146                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2147                                 ce.height = SH_MAX_H(win);
2148                 }
2149
2150                 /* resize increment. */
2151                 if (SH_INC(win)) {
2152                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2153                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2154                                     SH_INC_W(win);
2155                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2156                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2157                                     SH_INC_H(win);
2158                 }
2159
2160                 /* adjust x and y for requested border_width. */
2161                 ce.x += BORDER(win) - ev->border_width;
2162                 ce.y += BORDER(win) - ev->border_width;
2163                 ce.border_width = ev->border_width;
2164                 ce.above_sibling = ev->sibling;
2165         }
2166
2167         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2168             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2169             ce.y, ce.width, ce.height, ce.border_width);
2170
2171         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2172                 (char *)&ce);
2173 }
2174
2175 int
2176 count_win(struct workspace *ws, int count_transient)
2177 {
2178         struct ws_win           *win;
2179         int                     count = 0;
2180
2181         TAILQ_FOREACH(win, &ws->winlist, entry) {
2182                 if (count_transient == 0 && win->floating)
2183                         continue;
2184                 if (count_transient == 0 && win->transient)
2185                         continue;
2186                 if (win->iconic)
2187                         continue;
2188                 count++;
2189         }
2190         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2191
2192         return (count);
2193 }
2194
2195 void
2196 quit(struct swm_region *r, union arg *args)
2197 {
2198         DNPRINTF(SWM_D_MISC, "quit\n");
2199         running = 0;
2200 }
2201
2202 void
2203 unmap_window(struct ws_win *win)
2204 {
2205         if (win == NULL)
2206                 return;
2207
2208         /* don't unmap again */
2209         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2210                 return;
2211
2212         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2213
2214         xcb_unmap_window(conn, win->id);
2215         xcb_change_window_attributes(conn, win->id,
2216                 XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2217 }
2218
2219 void
2220 unmap_all(void)
2221 {
2222         struct ws_win           *win;
2223         int                     i, j, num_screens;
2224
2225         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2226         for (i = 0; i < num_screens; i++)
2227                 for (j = 0; j < workspace_limit; j++)
2228                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2229                                 unmap_window(win);
2230 }
2231
2232 void
2233 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2234 {
2235         xcb_key_press_event_t   event;
2236         xcb_keycode_t           *keycode;
2237
2238         if (win == NULL)
2239                 return;
2240
2241         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2242
2243         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2244                 win->id, *keycode);
2245
2246         bzero(&event, sizeof(event));
2247         event.event = win->id;
2248         event.root = win->s->root;
2249         event.child = XCB_WINDOW_NONE;
2250         event.time = XCB_CURRENT_TIME;
2251         event.event_x = X(win);
2252         event.event_y = Y(win);
2253         event.root_x = 1;
2254         event.root_y = 1;
2255         event.same_screen = True;
2256         event.detail = *keycode;
2257         event.state = modifiers;
2258
2259         event.response_type = XCB_KEY_PRESS;
2260         xcb_send_event(conn, True, win->id,
2261                  XCB_EVENT_MASK_KEY_PRESS, (char *)&event);
2262
2263         event.response_type = XCB_KEY_RELEASE;
2264         xcb_send_event(conn, True, win->id,
2265                 XCB_EVENT_MASK_KEY_RELEASE, (char *)&event);
2266 }
2267
2268 void
2269 restart(struct swm_region *r, union arg *args)
2270 {
2271         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2272
2273         /* disable alarm because the following code may not be interrupted */
2274         alarm(0);
2275         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2276                 err(1, "can't disable alarm");
2277
2278         bar_extra_stop();
2279         bar_extra = 1;
2280         unmap_all();
2281
2282         xcb_key_symbols_free(syms);
2283         xcb_flush(conn);
2284         xcb_disconnect(conn);
2285
2286         execvp(start_argv[0], start_argv);
2287         warn("execvp failed");
2288         quit(NULL, NULL);
2289 }
2290
2291 struct swm_region *
2292 root_to_region(xcb_window_t root)
2293 {
2294         struct swm_region       *r = NULL;
2295         int                     i, num_screens;
2296         xcb_query_pointer_reply_t       *qpr;
2297
2298         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2299
2300         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2301         for (i = 0; i < num_screens; i++)
2302                 if (screens[i].root == root)
2303                         break;
2304
2305         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2306                 screens[i].root), NULL);
2307
2308         if (qpr) {
2309                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2310                     qpr->root_x, qpr->root_y);
2311                 /* choose a region based on pointer location */
2312                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2313                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2314                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2315                                 break;
2316                 free(qpr);
2317         }
2318
2319         if (r == NULL)
2320                 r = TAILQ_FIRST(&screens[i].rl);
2321
2322         return (r);
2323 }
2324
2325 struct ws_win *
2326 find_unmanaged_window(xcb_window_t id)
2327 {
2328         struct ws_win           *win;
2329         int                     i, j, num_screens;
2330
2331         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2332         for (i = 0; i < num_screens; i++)
2333                 for (j = 0; j < workspace_limit; j++)
2334                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2335                             entry)
2336                                 if (id == win->id)
2337                                         return (win);
2338         return (NULL);
2339 }
2340
2341 struct ws_win *
2342 find_window(xcb_window_t id)
2343 {
2344         struct ws_win           *win;
2345         int                     i, j, num_screens;
2346         xcb_query_tree_cookie_t c;
2347         xcb_query_tree_reply_t  *r;
2348
2349         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2350         for (i = 0; i < num_screens; i++)
2351                 for (j = 0; j < workspace_limit; j++)
2352                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2353                                 if (id == win->id)
2354                                         return (win);
2355
2356         c = xcb_query_tree(conn, id);
2357         r = xcb_query_tree_reply(conn, c, NULL);
2358         if (!r)
2359                 return (NULL);
2360
2361         /* if we were looking for the parent return that window instead */
2362         if (r->parent == 0 || r->root == r->parent)
2363                 return (NULL);
2364
2365         /* look for parent */
2366         for (i = 0; i < num_screens; i++)
2367                 for (j = 0; j < workspace_limit; j++)
2368                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2369                                 if (r->parent == win->id) {
2370                                         free(r);
2371                                         return (win);
2372                                 }
2373
2374         free(r);
2375         return (NULL);
2376 }
2377
2378 void
2379 spawn(int ws_idx, union arg *args, int close_fd)
2380 {
2381         int                     fd;
2382         char                    *ret = NULL;
2383
2384         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2385
2386         if (display)
2387                 close(xcb_get_file_descriptor(conn));
2388
2389         setenv("LD_PRELOAD", SWM_LIB, 1);
2390
2391         if (asprintf(&ret, "%d", ws_idx) == -1) {
2392                 warn("spawn: asprintf SWM_WS");
2393                 _exit(1);
2394         }
2395         setenv("_SWM_WS", ret, 1);
2396         free(ret);
2397         ret = NULL;
2398
2399         if (asprintf(&ret, "%d", getpid()) == -1) {
2400                 warn("spawn: asprintf _SWM_PID");
2401                 _exit(1);
2402         }
2403         setenv("_SWM_PID", ret, 1);
2404         free(ret);
2405         ret = NULL;
2406
2407         if (setsid() == -1) {
2408                 warn("spawn: setsid");
2409                 _exit(1);
2410         }
2411
2412         if (close_fd) {
2413                 /*
2414                  * close stdin and stdout to prevent interaction between apps
2415                  * and the baraction script
2416                  * leave stderr open to record errors
2417                 */
2418                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2419                         warn("spawn: open");
2420                         _exit(1);
2421                 }
2422                 dup2(fd, STDIN_FILENO);
2423                 dup2(fd, STDOUT_FILENO);
2424                 if (fd > 2)
2425                         close(fd);
2426         }
2427
2428         execvp(args->argv[0], args->argv);
2429
2430         warn("spawn: execvp");
2431         _exit(1);
2432 }
2433
2434 void
2435 kill_refs(struct ws_win *win)
2436 {
2437         int                     i, x, num_screens;
2438         struct swm_region       *r;
2439         struct workspace        *ws;
2440
2441         if (win == NULL)
2442                 return;
2443
2444         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2445         for (i = 0; i < num_screens; i++)
2446                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2447                         for (x = 0; x < workspace_limit; x++) {
2448                                 ws = &r->s->ws[x];
2449                                 if (win == ws->focus)
2450                                         ws->focus = NULL;
2451                                 if (win == ws->focus_prev)
2452                                         ws->focus_prev = NULL;
2453                         }
2454 }
2455
2456 int
2457 validate_win(struct ws_win *testwin)
2458 {
2459         struct ws_win           *win;
2460         struct workspace        *ws;
2461         struct swm_region       *r;
2462         int                     i, x, num_screens;
2463
2464         if (testwin == NULL)
2465                 return (0);
2466
2467         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2468         for (i = 0; i < num_screens; i++)
2469                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2470                         for (x = 0; x < workspace_limit; x++) {
2471                                 ws = &r->s->ws[x];
2472                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2473                                         if (win == testwin)
2474                                                 return (0);
2475                         }
2476         return (1);
2477 }
2478
2479 int
2480 validate_ws(struct workspace *testws)
2481 {
2482         struct swm_region       *r;
2483         struct workspace        *ws;
2484         int                     i, x, num_screens;
2485
2486         /* validate all ws */
2487         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2488         for (i = 0; i < num_screens; i++)
2489                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2490                         for (x = 0; x < workspace_limit; x++) {
2491                                 ws = &r->s->ws[x];
2492                                 if (ws == testws)
2493                                         return (0);
2494                         }
2495         return (1);
2496 }
2497
2498 void
2499 unfocus_win(struct ws_win *win)
2500 {
2501         xcb_window_t            none = XCB_WINDOW_NONE;
2502
2503         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2504
2505         if (win == NULL)
2506                 return;
2507         if (win->ws == NULL)
2508                 return;
2509
2510         if (validate_ws(win->ws))
2511                 return; /* XXX this gets hit with thunderbird, needs fixing */
2512
2513         if (win->ws->r == NULL)
2514                 return;
2515
2516         if (validate_win(win)) {
2517                 kill_refs(win);
2518                 return;
2519         }
2520
2521         if (win->ws->focus == win) {
2522                 win->ws->focus = NULL;
2523                 win->ws->focus_prev = win;
2524         }
2525
2526         if (validate_win(win->ws->focus)) {
2527                 kill_refs(win->ws->focus);
2528                 win->ws->focus = NULL;
2529         }
2530         if (validate_win(win->ws->focus_prev)) {
2531                 kill_refs(win->ws->focus_prev);
2532                 win->ws->focus_prev = NULL;
2533         }
2534
2535         grabbuttons(win, 0);
2536         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2537                 &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2538         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2539                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2540                 &none);
2541 }
2542
2543 void
2544 unfocus_all(void)
2545 {
2546         struct ws_win           *win;
2547         int                     i, j, num_screens;
2548
2549         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2550
2551         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2552         for (i = 0; i < num_screens; i++)
2553                 for (j = 0; j < workspace_limit; j++)
2554                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2555                                 unfocus_win(win);
2556 }
2557
2558 void
2559 focus_win(struct ws_win *win)
2560 {
2561         struct ws_win           *cfw = NULL;
2562         xcb_get_input_focus_cookie_t    c;
2563         xcb_get_input_focus_reply_t     *r;
2564         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2565
2566         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2567
2568         if (win == NULL)
2569                 return;
2570         if (win->ws == NULL)
2571                 return;
2572
2573         if (validate_ws(win->ws))
2574                 return; /* XXX this gets hit with thunderbird, needs fixing */
2575
2576         if (validate_win(win)) {
2577                 kill_refs(win);
2578                 return;
2579         }
2580
2581         if (validate_win(win)) {
2582                 kill_refs(win);
2583                 return;
2584         }
2585
2586         c = xcb_get_input_focus(conn);
2587         r = xcb_get_input_focus_reply(conn, c, NULL);
2588         if (r) {
2589                 cur_focus = r->focus;
2590                 free(r);
2591         }
2592         if ((cfw = find_window(cur_focus)) != NULL)
2593                 unfocus_win(cfw);
2594         else {
2595                 /* use larger hammer since the window was killed somehow */
2596                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2597                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2598                                 xcb_change_window_attributes(conn, cfw->id,
2599                                         XCB_CW_BORDER_PIXEL,
2600                                         &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2601         }
2602
2603         win->ws->focus = win;
2604
2605         if (win->ws->r != NULL) {
2606                 if (win->java == 0)
2607                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2608                                 win->id, XCB_CURRENT_TIME);
2609                 grabbuttons(win, 1);
2610                 xcb_change_window_attributes(conn, win->id,
2611                         XCB_CW_BORDER_PIXEL,
2612                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2613                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2614                     win->ws->always_raise)
2615                         map_window_raised(win->id);
2616
2617                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2618                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2619                         &win->id);
2620         }
2621
2622         bar_update();
2623 }
2624
2625 void
2626 switchws(struct swm_region *r, union arg *args)
2627 {
2628         int                     wsid = args->id, unmap_old = 0;
2629         struct swm_region       *this_r, *other_r;
2630         struct ws_win           *win;
2631         struct workspace        *new_ws, *old_ws;
2632         union arg               a;
2633
2634         if (!(r && r->s))
2635                 return;
2636
2637         if (wsid >= workspace_limit)
2638                 return;
2639
2640         this_r = r;
2641         old_ws = this_r->ws;
2642         new_ws = &this_r->s->ws[wsid];
2643
2644         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2645             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2646
2647         if (new_ws == NULL || old_ws == NULL)
2648                 return;
2649         if (new_ws == old_ws)
2650                 return;
2651
2652         other_r = new_ws->r;
2653         if (other_r == NULL) {
2654                 /* the other workspace is hidden, hide this one */
2655                 old_ws->r = NULL;
2656                 unmap_old = 1;
2657         } else {
2658                 /* the other ws is visible in another region, exchange them */
2659                 other_r->ws_prior = new_ws;
2660                 other_r->ws = old_ws;
2661                 old_ws->r = other_r;
2662         }
2663         this_r->ws_prior = old_ws;
2664         this_r->ws = new_ws;
2665         new_ws->r = this_r;
2666
2667         /* this is needed so that we can click on a window after a restart */
2668         unfocus_all();
2669
2670         stack();
2671         a.id = SWM_ARG_ID_FOCUSCUR;
2672         focus(new_ws->r, &a);
2673
2674         /* unmap old windows */
2675         if (unmap_old)
2676                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2677                         unmap_window(win);
2678 }
2679
2680 void
2681 cyclews(struct swm_region *r, union arg *args)
2682 {
2683         union                   arg a;
2684         struct swm_screen       *s = r->s;
2685         int                     cycle_all = 0;
2686
2687         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2688             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2689
2690         a.id = r->ws->idx;
2691         do {
2692                 switch (args->id) {
2693                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2694                         cycle_all = 1;
2695                         /* FALLTHROUGH */
2696                 case SWM_ARG_ID_CYCLEWS_UP:
2697                         if (a.id < workspace_limit - 1)
2698                                 a.id++;
2699                         else
2700                                 a.id = 0;
2701                         break;
2702                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2703                         cycle_all = 1;
2704                         /* FALLTHROUGH */
2705                 case SWM_ARG_ID_CYCLEWS_DOWN:
2706                         if (a.id > 0)
2707                                 a.id--;
2708                         else
2709                                 a.id = workspace_limit - 1;
2710                         break;
2711                 default:
2712                         return;
2713                 };
2714
2715                 if (!cycle_all &&
2716                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2717                         continue;
2718                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2719                         continue;
2720
2721                 switchws(r, &a);
2722         } while (a.id != r->ws->idx);
2723 }
2724
2725 void
2726 priorws(struct swm_region *r, union arg *args)
2727 {
2728         union arg               a;
2729
2730         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2731             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2732
2733         if (r->ws_prior == NULL)
2734                 return;
2735
2736         a.id = r->ws_prior->idx;
2737         switchws(r, &a);
2738 }
2739
2740 void
2741 cyclescr(struct swm_region *r, union arg *args)
2742 {
2743         struct swm_region       *rr = NULL;
2744         union arg               a;
2745         int                     i, x, y, num_screens;
2746
2747         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2748         /* do nothing if we don't have more than one screen */
2749         if (!(num_screens > 1 || outputs > 1))
2750                 return;
2751
2752         i = r->s->idx;
2753         switch (args->id) {
2754         case SWM_ARG_ID_CYCLESC_UP:
2755                 rr = TAILQ_NEXT(r, entry);
2756                 if (rr == NULL)
2757                         rr = TAILQ_FIRST(&screens[i].rl);
2758                 break;
2759         case SWM_ARG_ID_CYCLESC_DOWN:
2760                 rr = TAILQ_PREV(r, swm_region_list, entry);
2761                 if (rr == NULL)
2762                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2763                 break;
2764         default:
2765                 return;
2766         };
2767         if (rr == NULL)
2768                 return;
2769
2770         /* move mouse to region */
2771         x = X(rr) + 1;
2772         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2773         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2774                 x, y);
2775
2776         a.id = SWM_ARG_ID_FOCUSCUR;
2777         focus(rr, &a);
2778
2779         if (rr->ws->focus) {
2780                 /* move to focus window */
2781                 x = X(rr->ws->focus) + 1;
2782                 y = Y(rr->ws->focus) + 1;
2783                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2784                         0, x, y);
2785         }
2786 }
2787
2788 void
2789 sort_windows(struct ws_win_list *wl)
2790 {
2791         struct ws_win           *win, *parent, *nxt;
2792
2793         if (wl == NULL)
2794                 return;
2795
2796         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2797                 nxt = TAILQ_NEXT(win, entry);
2798                 if (win->transient) {
2799                         parent = find_window(win->transient);
2800                         if (parent == NULL) {
2801                                 warnx("not possible bug");
2802                                 continue;
2803                         }
2804                         TAILQ_REMOVE(wl, win, entry);
2805                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2806                 }
2807         }
2808
2809 }
2810
2811 void
2812 swapwin(struct swm_region *r, union arg *args)
2813 {
2814         struct ws_win           *target, *source;
2815         struct ws_win           *cur_focus;
2816         struct ws_win_list      *wl;
2817
2818
2819         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2820             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2821
2822         cur_focus = r->ws->focus;
2823         if (cur_focus == NULL)
2824                 return;
2825
2826         source = cur_focus;
2827         wl = &source->ws->winlist;
2828
2829         switch (args->id) {
2830         case SWM_ARG_ID_SWAPPREV:
2831                 if (source->transient)
2832                         source = find_window(source->transient);
2833                 target = TAILQ_PREV(source, ws_win_list, entry);
2834                 if (target && target->transient)
2835                         target = find_window(target->transient);
2836                 TAILQ_REMOVE(wl, source, entry);
2837                 if (target == NULL)
2838                         TAILQ_INSERT_TAIL(wl, source, entry);
2839                 else
2840                         TAILQ_INSERT_BEFORE(target, source, entry);
2841                 break;
2842         case SWM_ARG_ID_SWAPNEXT:
2843                 target = TAILQ_NEXT(source, entry);
2844                 /* move the parent and let the sort handle the move */
2845                 if (source->transient)
2846                         source = find_window(source->transient);
2847                 TAILQ_REMOVE(wl, source, entry);
2848                 if (target == NULL)
2849                         TAILQ_INSERT_HEAD(wl, source, entry);
2850                 else
2851                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2852                 break;
2853         case SWM_ARG_ID_SWAPMAIN:
2854                 target = TAILQ_FIRST(wl);
2855                 if (target == source) {
2856                         if (source->ws->focus_prev != NULL &&
2857                             source->ws->focus_prev != target)
2858                                 source = source->ws->focus_prev;
2859                         else
2860                                 return;
2861                 }
2862                 if (target == NULL || source == NULL)
2863                         return;
2864                 source->ws->focus_prev = target;
2865                 TAILQ_REMOVE(wl, target, entry);
2866                 TAILQ_INSERT_BEFORE(source, target, entry);
2867                 TAILQ_REMOVE(wl, source, entry);
2868                 TAILQ_INSERT_HEAD(wl, source, entry);
2869                 break;
2870         case SWM_ARG_ID_MOVELAST:
2871                 TAILQ_REMOVE(wl, source, entry);
2872                 TAILQ_INSERT_TAIL(wl, source, entry);
2873                 break;
2874         default:
2875                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2876                 return;
2877         }
2878
2879         sort_windows(wl);
2880
2881         stack();
2882 }
2883
2884 void
2885 focus_prev(struct ws_win *win)
2886 {
2887         struct ws_win           *winfocus = NULL;
2888         struct ws_win           *cur_focus = NULL;
2889         struct ws_win_list      *wl = NULL;
2890         struct workspace        *ws = NULL;
2891
2892         if (!(win && win->ws))
2893                 return;
2894
2895         ws = win->ws;
2896         wl = &ws->winlist;
2897         cur_focus = ws->focus;
2898
2899         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2900             WINID(win), WINID(cur_focus));
2901
2902         /* pickle, just focus on whatever */
2903         if (cur_focus == NULL) {
2904                 /* use prev_focus if valid */
2905                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2906                     find_window(WINID(ws->focus_prev)))
2907                         winfocus = ws->focus_prev;
2908                 goto done;
2909         }
2910
2911         /* if transient focus on parent */
2912         if (cur_focus->transient) {
2913                 winfocus = find_window(cur_focus->transient);
2914                 goto done;
2915         }
2916
2917         /* if in max_stack try harder */
2918         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2919             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2920                 if (cur_focus != ws->focus_prev)
2921                         winfocus = ws->focus_prev;
2922                 else
2923                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2924                 if (winfocus)
2925                         goto done;
2926         }
2927
2928         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2929
2930         if (winfocus == NULL || winfocus == win) {
2931                 switch (focus_close) {
2932                 case SWM_STACK_BOTTOM:
2933                         winfocus = TAILQ_FIRST(wl);
2934                         break;
2935                 case SWM_STACK_TOP:
2936                         winfocus = TAILQ_LAST(wl, ws_win_list);
2937                         break;
2938                 case SWM_STACK_ABOVE:
2939                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2940                                 if (focus_close_wrap)
2941                                         winfocus = TAILQ_FIRST(wl);
2942                                 else
2943                                         winfocus = TAILQ_PREV(cur_focus,
2944                                             ws_win_list, entry);
2945                         }
2946                         break;
2947                 case SWM_STACK_BELOW:
2948                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2949                             entry)) == NULL) {
2950                                 if (focus_close_wrap)
2951                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2952                                 else
2953                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2954                         }
2955                         break;
2956                 }
2957         }
2958 done:
2959         if (winfocus == NULL) {
2960                 if (focus_default == SWM_STACK_TOP)
2961                         winfocus = TAILQ_LAST(wl, ws_win_list);
2962                 else
2963                         winfocus = TAILQ_FIRST(wl);
2964         }
2965
2966         kill_refs(win);
2967         focus_magic(winfocus);
2968 }
2969
2970 void
2971 focus(struct swm_region *r, union arg *args)
2972 {
2973         struct ws_win           *winfocus = NULL, *head;
2974         struct ws_win           *cur_focus = NULL;
2975         struct ws_win_list      *wl = NULL;
2976         struct workspace        *ws = NULL;
2977         int                     all_iconics;
2978
2979         if (!(r && r->ws))
2980                 return;
2981
2982         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2983
2984         /* treat FOCUS_CUR special */
2985         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2986                 if (r->ws->focus && r->ws->focus->iconic == 0)
2987                         winfocus = r->ws->focus;
2988                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2989                         winfocus = r->ws->focus_prev;
2990                 else
2991                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2992                                 if (winfocus->iconic == 0)
2993                                         break;
2994
2995                 focus_magic(winfocus);
2996                 return;
2997         }
2998
2999         if ((cur_focus = r->ws->focus) == NULL)
3000                 return;
3001         ws = r->ws;
3002         wl = &ws->winlist;
3003         if (TAILQ_EMPTY(wl))
3004                 return;
3005         /* make sure there is at least one uniconified window */
3006         all_iconics = 1;
3007         TAILQ_FOREACH(winfocus, wl, entry)
3008                 if (winfocus->iconic == 0) {
3009                         all_iconics = 0;
3010                         break;
3011                 }
3012         if (all_iconics)
3013                 return;
3014
3015         switch (args->id) {
3016         case SWM_ARG_ID_FOCUSPREV:
3017                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3018                 if (head == NULL)
3019                         head = TAILQ_LAST(wl, ws_win_list);
3020                 winfocus = head;
3021                 if (WINID(winfocus) == cur_focus->transient) {
3022                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3023                         if (head == NULL)
3024                                 head = TAILQ_LAST(wl, ws_win_list);
3025                         winfocus = head;
3026                 }
3027
3028                 /* skip iconics */
3029                 if (winfocus && winfocus->iconic) {
3030                         while (winfocus != cur_focus) {
3031                                 if (winfocus == NULL)
3032                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3033                                 if (winfocus->iconic == 0)
3034                                         break;
3035                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3036                                     entry);
3037                         }
3038                 }
3039                 break;
3040
3041         case SWM_ARG_ID_FOCUSNEXT:
3042                 head = TAILQ_NEXT(cur_focus, entry);
3043                 if (head == NULL)
3044                         head = TAILQ_FIRST(wl);
3045                 winfocus = head;
3046
3047                 /* skip iconics */
3048                 if (winfocus && winfocus->iconic) {
3049                         while (winfocus != cur_focus) {
3050                                 if (winfocus == NULL)
3051                                         winfocus = TAILQ_FIRST(wl);
3052                                 if (winfocus->iconic == 0)
3053                                         break;
3054                                 winfocus = TAILQ_NEXT(winfocus, entry);
3055                         }
3056                 }
3057                 break;
3058
3059         case SWM_ARG_ID_FOCUSMAIN:
3060                 winfocus = TAILQ_FIRST(wl);
3061                 if (winfocus == cur_focus)
3062                         winfocus = cur_focus->ws->focus_prev;
3063                 break;
3064
3065         default:
3066                 return;
3067         }
3068
3069         focus_magic(winfocus);
3070 }
3071
3072 void
3073 cycle_layout(struct swm_region *r, union arg *args)
3074 {
3075         struct workspace        *ws = r->ws;
3076         union arg               a;
3077
3078         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3079
3080         ws->cur_layout++;
3081         if (ws->cur_layout->l_stack == NULL)
3082                 ws->cur_layout = &layouts[0];
3083
3084         stack();
3085
3086         a.id = SWM_ARG_ID_FOCUSCUR;
3087
3088         focus(r, &a);
3089 }
3090
3091 void
3092 stack_config(struct swm_region *r, union arg *args)
3093 {
3094         struct workspace        *ws = r->ws;
3095
3096         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3097             args->id, ws->idx);
3098
3099         if (ws->cur_layout->l_config != NULL)
3100                 ws->cur_layout->l_config(ws, args->id);
3101
3102         if (args->id != SWM_ARG_ID_STACKINIT)
3103                 stack();
3104         bar_update();
3105 }
3106
3107 void
3108 stack(void) {
3109         struct swm_geometry     g;
3110         struct swm_region       *r;
3111         int                     i, num_screens;
3112 #ifdef SWM_DEBUG
3113         int j;
3114 #endif
3115
3116         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3117
3118         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3119         for (i = 0; i < num_screens; i++) {
3120 #ifdef SWM_DEBUG
3121                 j = 0;
3122 #endif
3123                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3124                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3125                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3126
3127                         /* start with screen geometry, adjust for bar */
3128                         g = r->g;
3129                         g.w -= 2 * border_width;
3130                         g.h -= 2 * border_width;
3131                         if (bar_enabled) {
3132                                 if (!bar_at_bottom)
3133                                         g.y += bar_height;
3134                                 g.h -= bar_height;
3135                         }
3136                         r->ws->cur_layout->l_stack(r->ws, &g);
3137                         r->ws->cur_layout->l_string(r->ws);
3138                         /* save r so we can track region changes */
3139                         r->ws->old_r = r;
3140                 }
3141         }
3142         if (font_adjusted)
3143                 font_adjusted--;
3144
3145         DNPRINTF(SWM_D_STACK, "stack: end\n");
3146 }
3147
3148 void
3149 store_float_geom(struct ws_win *win, struct swm_region *r)
3150 {
3151         /* retain window geom and region geom */
3152         win->g_float = win->g;
3153         win->g_float.x -= X(r);
3154         win->g_float.y -= Y(r);
3155         win->g_floatvalid = 1;
3156         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3157             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3158             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3159             win->g_float.w, win->g_float.h);
3160 }
3161
3162 void
3163 stack_floater(struct ws_win *win, struct swm_region *r)
3164 {
3165         if (win == NULL)
3166                 return;
3167
3168         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3169
3170         /*
3171          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3172          * geom on ws switches or return from max mode
3173          */
3174         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3175             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3176                 /* refloat at last floating relative position */
3177                 win->g = win->g_float;
3178                 X(win) += X(r);
3179                 Y(win) += Y(r);
3180         }
3181
3182         win->floatmaxed = 0;
3183
3184         /*
3185          * if set to fullscreen mode, configure window to maximum size.
3186          */
3187         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3188                 if (!win->g_floatvalid)
3189                         store_float_geom(win, win->ws->r);
3190
3191                 win->g = win->ws->r->g;
3192         }
3193
3194         /*
3195          * remove border on fullscreen floater when in fullscreen mode or when
3196          * the quirk is present.
3197          */
3198         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3199             ((win->quirks & SWM_Q_FULLSCREEN) &&
3200              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3201                 if (win->bordered) {
3202                         win->bordered = 0;
3203                         X(win) += border_width;
3204                         Y(win) += border_width;
3205                 }
3206         } else if (!win->bordered) {
3207                 win->bordered = 1;
3208                 X(win) -= border_width;
3209                 Y(win) -= border_width;
3210         }
3211
3212         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3213                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3214                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3215         }
3216
3217         if (!win->manual) {
3218                 /*
3219                  * floaters and transients are auto-centred unless moved
3220                  * or resized
3221                  */
3222                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3223                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3224         }
3225
3226         /* keep window within region bounds */
3227         constrain_window(win, r, 0);
3228
3229         update_window(win);
3230 }
3231
3232 /*
3233  * Send keystrokes to terminal to decrease/increase the font size as the
3234  * window size changes.
3235  */
3236 void
3237 adjust_font(struct ws_win *win)
3238 {
3239         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3240             win->floating || win->transient)
3241                 return;
3242
3243         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3244             WIDTH(win) / win->sh.width_inc < term_width &&
3245             win->font_steps < SWM_MAX_FONT_STEPS) {
3246                 win->font_size_boundary[win->font_steps] =
3247                     (win->sh.width_inc * term_width) + win->sh.base_width;
3248                 win->font_steps++;
3249                 font_adjusted++;
3250                 win->last_inc = win->sh.width_inc;
3251                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3252         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3253             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3254                 win->font_steps--;
3255                 font_adjusted++;
3256                 win->last_inc = win->sh.width_inc;
3257                 fake_keypress(win, XK_KP_Add, ShiftMask);
3258         }
3259 }
3260
3261 #define SWAPXY(g)       do {                            \
3262         int tmp;                                        \
3263         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3264         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3265 } while (0)
3266 void
3267 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3268 {
3269         struct swm_geometry     win_g, r_g = *g;
3270         struct ws_win           *win, *fs_win = NULL;
3271         int                     i, j, s, stacks;
3272         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3273         int                     hrh, extra = 0, h_slice, last_h = 0;
3274         int                     split, colno, winno, mwin, msize, mscale;
3275         int                     remain, missing, v_slice, reconfigure;
3276         int                     bordered = 1;
3277         xcb_get_window_attributes_reply_t *war;
3278
3279         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3280             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3281
3282         winno = count_win(ws, 0);
3283         if (winno == 0 && count_win(ws, 1) == 0)
3284                 return;
3285
3286         TAILQ_FOREACH(win, &ws->winlist, entry)
3287                 if (win->transient == 0 && win->floating == 0
3288                     && win->iconic == 0)
3289                         break;
3290
3291         if (win == NULL)
3292                 goto notiles;
3293
3294         if (rot) {
3295                 w_inc = win->sh.width_inc;
3296                 w_base = win->sh.base_width;
3297                 mwin = ws->l_state.horizontal_mwin;
3298                 mscale = ws->l_state.horizontal_msize;
3299                 stacks = ws->l_state.horizontal_stacks;
3300                 SWAPXY(&r_g);
3301         } else {
3302                 w_inc = win->sh.height_inc;
3303                 w_base = win->sh.base_height;
3304                 mwin = ws->l_state.vertical_mwin;
3305                 mscale = ws->l_state.vertical_msize;
3306                 stacks = ws->l_state.vertical_stacks;
3307         }
3308         win_g = r_g;
3309
3310         if (stacks > winno - mwin)
3311                 stacks = winno - mwin;
3312         if (stacks < 1)
3313                 stacks = 1;
3314
3315         h_slice = r_g.h / SWM_H_SLICE;
3316         if (mwin && winno > mwin) {
3317                 v_slice = r_g.w / SWM_V_SLICE;
3318
3319                 split = mwin;
3320                 colno = split;
3321                 win_g.w = v_slice * mscale;
3322
3323                 if (w_inc > 1 && w_inc < v_slice) {
3324                         /* adjust for window's requested size increment */
3325                         remain = (win_g.w - w_base) % w_inc;
3326                         win_g.w -= remain;
3327                 }
3328
3329                 msize = win_g.w;
3330                 if (flip)
3331                         win_g.x += r_g.w - msize;
3332         } else {
3333                 msize = -2;
3334                 colno = split = winno / stacks;
3335                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3336                     2 * border_width) / stacks);
3337         }
3338         hrh = r_g.h / colno;
3339         extra = r_g.h - (colno * hrh);
3340         win_g.h = hrh - 2 * border_width;
3341
3342         /*  stack all the tiled windows */
3343         i = j = 0, s = stacks;
3344         TAILQ_FOREACH(win, &ws->winlist, entry) {
3345                 if (win->transient != 0 || win->floating != 0)
3346                         continue;
3347                 if (win->iconic != 0)
3348                         continue;
3349
3350                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3351                         fs_win = win;
3352                         continue;
3353                 }
3354
3355                 if (split && i == split) {
3356                         colno = (winno - mwin) / stacks;
3357                         if (s <= (winno - mwin) % stacks)
3358                                 colno++;
3359                         split = split + colno;
3360                         hrh = (r_g.h / colno);
3361                         extra = r_g.h - (colno * hrh);
3362                         if (flip)
3363                                 win_g.x = r_g.x;
3364                         else
3365                                 win_g.x += win_g.w + 2 * border_width;
3366                         win_g.w = (r_g.w - msize -
3367                             (stacks * 2 * border_width)) / stacks;
3368                         if (s == 1)
3369                                 win_g.w += (r_g.w - msize -
3370                                     (stacks * 2 * border_width)) % stacks;
3371                         s--;
3372                         j = 0;
3373                 }
3374                 win_g.h = hrh - 2 * border_width;
3375                 if (rot) {
3376                         h_inc = win->sh.width_inc;
3377                         h_base = win->sh.base_width;
3378                 } else {
3379                         h_inc = win->sh.height_inc;
3380                         h_base = win->sh.base_height;
3381                 }
3382                 if (j == colno - 1) {
3383                         win_g.h = hrh + extra;
3384                 } else if (h_inc > 1 && h_inc < h_slice) {
3385                         /* adjust for window's requested size increment */
3386                         remain = (win_g.h - h_base) % h_inc;
3387                         missing = h_inc - remain;
3388
3389                         if (missing <= extra || j == 0) {
3390                                 extra -= missing;
3391                                 win_g.h += missing;
3392                         } else {
3393                                 win_g.h -= remain;
3394                                 extra += remain;
3395                         }
3396                 }
3397
3398                 if (j == 0)
3399                         win_g.y = r_g.y;
3400                 else
3401                         win_g.y += last_h + 2 * border_width;
3402
3403                 if (disable_border && bar_enabled == 0 && winno == 1){
3404                         bordered = 0;
3405                         win_g.w += 2 * border_width;
3406                         win_g.h += 2 * border_width;
3407                 } else {
3408                         bordered = 1;
3409                 }
3410                 if (rot) {
3411                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3412                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3413                                 reconfigure = 1;
3414                                 X(win) = win_g.y;
3415                                 Y(win) = win_g.x;
3416                                 WIDTH(win) = win_g.h;
3417                                 HEIGHT(win) = win_g.w;
3418                         }
3419                 } else {
3420                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3421                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3422                                 reconfigure = 1;
3423                                 X(win) = win_g.x;
3424                                 Y(win) = win_g.y;
3425                                 WIDTH(win) = win_g.w;
3426                                 HEIGHT(win) = win_g.h;
3427                         }
3428                 }
3429
3430                 if (bordered != win->bordered) {
3431                         reconfigure = 1;
3432                         win->bordered = bordered;
3433                 }
3434
3435                 if (reconfigure) {
3436                         adjust_font(win);
3437                         update_window(win);
3438                 }
3439
3440                 war = xcb_get_window_attributes_reply(conn,
3441                         xcb_get_window_attributes(conn, win->id),
3442                         NULL);
3443                 if (war) {
3444                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3445                                 map_window_raised(win->id);
3446                         free(war);
3447                 }
3448
3449                 last_h = win_g.h;
3450                 i++;
3451                 j++;
3452         }
3453
3454 notiles:
3455         /* now, stack all the floaters and transients */
3456         TAILQ_FOREACH(win, &ws->winlist, entry) {
3457                 if (win->transient == 0 && win->floating == 0)
3458                         continue;
3459                 if (win->iconic == 1)
3460                         continue;
3461                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3462                         fs_win = win;
3463                         continue;
3464                 }
3465
3466                 stack_floater(win, ws->r);
3467                 map_window_raised(win->id);
3468         }
3469
3470         if (fs_win) {
3471                 stack_floater(fs_win, ws->r);
3472                 map_window_raised(fs_win->id);
3473         }
3474 }
3475
3476 void
3477 vertical_config(struct workspace *ws, int id)
3478 {
3479         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3480             id, ws->idx);
3481
3482         switch (id) {
3483         case SWM_ARG_ID_STACKRESET:
3484         case SWM_ARG_ID_STACKINIT:
3485                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3486                 ws->l_state.vertical_mwin = 1;
3487                 ws->l_state.vertical_stacks = 1;
3488                 break;
3489         case SWM_ARG_ID_MASTERSHRINK:
3490                 if (ws->l_state.vertical_msize > 1)
3491                         ws->l_state.vertical_msize--;
3492                 break;
3493         case SWM_ARG_ID_MASTERGROW:
3494                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3495                         ws->l_state.vertical_msize++;
3496                 break;
3497         case SWM_ARG_ID_MASTERADD:
3498                 ws->l_state.vertical_mwin++;
3499                 break;
3500         case SWM_ARG_ID_MASTERDEL:
3501                 if (ws->l_state.vertical_mwin > 0)
3502                         ws->l_state.vertical_mwin--;
3503                 break;
3504         case SWM_ARG_ID_STACKINC:
3505                 ws->l_state.vertical_stacks++;
3506                 break;
3507         case SWM_ARG_ID_STACKDEC:
3508                 if (ws->l_state.vertical_stacks > 1)
3509                         ws->l_state.vertical_stacks--;
3510                 break;
3511         case SWM_ARG_ID_FLIPLAYOUT:
3512                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3513                 break;
3514         default:
3515                 return;
3516         }
3517 }
3518
3519 void
3520 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3521 {
3522         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3523
3524         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3525 }
3526
3527 void
3528 horizontal_config(struct workspace *ws, int id)
3529 {
3530         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3531
3532         switch (id) {
3533         case SWM_ARG_ID_STACKRESET:
3534         case SWM_ARG_ID_STACKINIT:
3535                 ws->l_state.horizontal_mwin = 1;
3536                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3537                 ws->l_state.horizontal_stacks = 1;
3538                 break;
3539         case SWM_ARG_ID_MASTERSHRINK:
3540                 if (ws->l_state.horizontal_msize > 1)
3541                         ws->l_state.horizontal_msize--;
3542                 break;
3543         case SWM_ARG_ID_MASTERGROW:
3544                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3545                         ws->l_state.horizontal_msize++;
3546                 break;
3547         case SWM_ARG_ID_MASTERADD:
3548                 ws->l_state.horizontal_mwin++;
3549                 break;
3550         case SWM_ARG_ID_MASTERDEL:
3551                 if (ws->l_state.horizontal_mwin > 0)
3552                         ws->l_state.horizontal_mwin--;
3553                 break;
3554         case SWM_ARG_ID_STACKINC:
3555                 ws->l_state.horizontal_stacks++;
3556                 break;
3557         case SWM_ARG_ID_STACKDEC:
3558                 if (ws->l_state.horizontal_stacks > 1)
3559                         ws->l_state.horizontal_stacks--;
3560                 break;
3561         case SWM_ARG_ID_FLIPLAYOUT:
3562                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3563                 break;
3564         default:
3565                 return;
3566         }
3567 }
3568
3569 void
3570 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3571 {
3572         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3573
3574         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3575 }
3576
3577 /* fullscreen view */
3578 void
3579 max_stack(struct workspace *ws, struct swm_geometry *g)
3580 {
3581         struct swm_geometry     gg = *g;
3582         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3583         int                     winno, num_screens;
3584
3585         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3586
3587         if (ws == NULL)
3588                 return;
3589
3590         winno = count_win(ws, 0);
3591         if (winno == 0 && count_win(ws, 1) == 0)
3592                 return;
3593
3594         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3595         TAILQ_FOREACH(win, &ws->winlist, entry) {
3596                 if (win->transient) {
3597                         wintrans = win;
3598                         parent = find_window(win->transient);
3599                         continue;
3600                 }
3601
3602                 if (win->floating && win->floatmaxed == 0 ) {
3603                         /*
3604                          * retain geometry for retrieval on exit from
3605                          * max_stack mode
3606                          */
3607                         store_float_geom(win, ws->r);
3608                         win->floatmaxed = 1;
3609                 }
3610
3611                 /* only reconfigure if necessary */
3612                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3613                     HEIGHT(win) != gg.h) {
3614                         win->g = gg;
3615                         if (bar_enabled){
3616                                 win->bordered = 1;
3617                         } else {
3618                                 win->bordered = 0;
3619                                 WIDTH(win) += 2 * border_width;
3620                                 HEIGHT(win) += 2 * border_width;
3621                         }
3622
3623                         update_window(win);
3624                 }
3625                 /* unmap only if we don't have multi screen */
3626                 if (win != ws->focus)
3627                         if (!(num_screens > 1 || outputs > 1))
3628                                 unmap_window(win);
3629         }
3630
3631         /* put the last transient on top */
3632         if (wintrans) {
3633                 if (parent)
3634                         map_window_raised(parent->id);
3635                 stack_floater(wintrans, ws->r);
3636                 focus_magic(wintrans);
3637         }
3638 }
3639
3640 void
3641 send_to_ws(struct swm_region *r, union arg *args)
3642 {
3643         int                     wsid = args->id;
3644         struct ws_win           *win = NULL, *parent;
3645         struct workspace        *ws, *nws;
3646         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3647         char                    ws_idx_str[SWM_PROPLEN];
3648         union arg               a;
3649
3650         if (wsid >= workspace_limit)
3651                 return;
3652
3653         if (r && r->ws && r->ws->focus)
3654                 win = r->ws->focus;
3655         else
3656                 return;
3657         if (win == NULL)
3658                 return;
3659         if (win->ws->idx == wsid)
3660                 return;
3661
3662         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3663
3664         ws = win->ws;
3665         nws = &win->s->ws[wsid];
3666
3667         a.id = SWM_ARG_ID_FOCUSPREV;
3668         focus(r, &a);
3669         if (win->transient) {
3670                 parent = find_window(win->transient);
3671                 if (parent) {
3672                         unmap_window(parent);
3673                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3674                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3675                         parent->ws = nws;
3676                 }
3677         }
3678         unmap_window(win);
3679         TAILQ_REMOVE(&ws->winlist, win, entry);
3680         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3681         if (TAILQ_EMPTY(&ws->winlist))
3682                 r->ws->focus = NULL;
3683         win->ws = nws;
3684
3685         /* Try to update the window's workspace property */
3686         ws_idx_atom = get_atom_from_string("_SWM_WS");
3687         if (ws_idx_atom &&
3688             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3689                 SWM_PROPLEN) {
3690                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3691                     ws_idx_str);
3692                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3693                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3694                         ws_idx_str);
3695         }
3696
3697         stack();
3698         bar_update();
3699 }
3700
3701 void
3702 pressbutton(struct swm_region *r, union arg *args)
3703 {
3704         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3705                 XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3706         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3707                 XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3708 }
3709
3710 void
3711 raise_toggle(struct swm_region *r, union arg *args)
3712 {
3713         if (r == NULL || r->ws == NULL)
3714                 return;
3715
3716         r->ws->always_raise = !r->ws->always_raise;
3717
3718         /* bring floaters back to top */
3719         if (r->ws->always_raise == 0)
3720                 stack();
3721 }
3722
3723 void
3724 iconify(struct swm_region *r, union arg *args)
3725 {
3726         union arg a;
3727
3728         if (r->ws->focus == NULL)
3729                 return;
3730         unmap_window(r->ws->focus);
3731         update_iconic(r->ws->focus, 1);
3732         stack();
3733
3734         r->ws->focus = NULL;
3735         a.id = SWM_ARG_ID_FOCUSCUR;
3736         focus(r, &a);
3737 }
3738
3739 char *
3740 get_win_name(xcb_window_t win)
3741 {
3742         char                            *name = NULL;
3743         xcb_get_property_cookie_t       c;
3744         xcb_icccm_get_text_property_reply_t     r;
3745
3746         c = xcb_icccm_get_wm_name(conn, win);
3747         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3748                 if (r.name_len > 0) {
3749                         name = malloc(r.name_len + 1);
3750                         if (!name) {
3751                                 xcb_icccm_get_text_property_reply_wipe(&r);
3752                                 return (NULL);
3753                         }
3754                         memcpy(name, r.name, r.name_len);
3755                         name[r.name_len] = '\0';
3756                 }
3757                 xcb_icccm_get_text_property_reply_wipe(&r);
3758         }
3759
3760         return (name);
3761 }
3762
3763 void
3764 uniconify(struct swm_region *r, union arg *args)
3765 {
3766         struct ws_win           *win;
3767         FILE                    *lfile;
3768         char                    *name;
3769         int                     count = 0;
3770
3771         DNPRINTF(SWM_D_MISC, "uniconify\n");
3772
3773         if (r == NULL || r->ws == NULL)
3774                 return;
3775
3776         /* make sure we have anything to uniconify */
3777         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3778                 if (win->ws == NULL)
3779                         continue; /* should never happen */
3780                 if (win->iconic == 0)
3781                         continue;
3782                 count++;
3783         }
3784         if (count == 0)
3785                 return;
3786
3787         search_r = r;
3788         search_resp_action = SWM_SEARCH_UNICONIFY;
3789
3790         spawn_select(r, args, "search", &searchpid);
3791
3792         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3793                 return;
3794
3795         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3796                 if (win->ws == NULL)
3797                         continue; /* should never happen */
3798                 if (win->iconic == 0)
3799                         continue;
3800
3801                 name = get_win_name(win->id);
3802                 if (name == NULL)
3803                         continue;
3804                 fprintf(lfile, "%s.%u\n", name, win->id);
3805                 free(name);
3806         }
3807
3808         fclose(lfile);
3809 }
3810
3811 void
3812 name_workspace(struct swm_region *r, union arg *args)
3813 {
3814         FILE                    *lfile;
3815
3816         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3817
3818         if (r == NULL)
3819                 return;
3820
3821         search_r = r;
3822         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3823
3824         spawn_select(r, args, "name_workspace", &searchpid);
3825
3826         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3827                 return;
3828
3829         fprintf(lfile, "%s", "");
3830         fclose(lfile);
3831 }
3832
3833 void
3834 search_workspace(struct swm_region *r, union arg *args)
3835 {
3836         int                     i;
3837         struct workspace        *ws;
3838         FILE                    *lfile;
3839
3840         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3841
3842         if (r == NULL)
3843                 return;
3844
3845         search_r = r;
3846         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3847
3848         spawn_select(r, args, "search", &searchpid);
3849
3850         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3851                 return;
3852
3853         for (i = 0; i < workspace_limit; i++) {
3854                 ws = &r->s->ws[i];
3855                 if (ws == NULL)
3856                         continue;
3857                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3858                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3859         }
3860
3861         fclose(lfile);
3862 }
3863
3864 void
3865 search_win_cleanup(void)
3866 {
3867         struct search_window    *sw = NULL;
3868
3869         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3870                 xcb_destroy_window(conn, sw->indicator);
3871                 xcb_free_gc(conn, sw->gc);
3872                 TAILQ_REMOVE(&search_wl, sw, entry);
3873                 free(sw);
3874         }
3875 }
3876
3877 void
3878 search_win(struct swm_region *r, union arg *args)
3879 {
3880         struct ws_win           *win = NULL;
3881         struct search_window    *sw = NULL;
3882         xcb_window_t            w;
3883         uint32_t                gcv[3], wa[2];
3884         int                     i;
3885         char                    s[8];
3886         FILE                    *lfile;
3887         size_t                  len;
3888         XRectangle              ibox, lbox;
3889         DNPRINTF(SWM_D_MISC, "search_win\n");
3890
3891         search_r = r;
3892         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3893
3894         spawn_select(r, args, "search", &searchpid);
3895
3896         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3897                 return;
3898
3899         TAILQ_INIT(&search_wl);
3900
3901         i = 1;
3902         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3903                 if (win->iconic == 1)
3904                         continue;
3905
3906                 sw = calloc(1, sizeof(struct search_window));
3907                 if (sw == NULL) {
3908                         warn("search_win: calloc");
3909                         fclose(lfile);
3910                         search_win_cleanup();
3911                         return;
3912                 }
3913                 sw->idx = i;
3914                 sw->win = win;
3915
3916                 snprintf(s, sizeof s, "%d", i);
3917                 len = strlen(s);
3918
3919                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3920
3921                 w = xcb_generate_id(conn);
3922                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3923                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3924                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3925                     lbox.width + 4, bar_fs_extents->max_logical_extent.height,
3926                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3927                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3928
3929                 sw->indicator = w;
3930                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3931
3932                 sw->gc = xcb_generate_id(conn);
3933                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3934                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].color;
3935                 gcv[2] = 0;
3936                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3937                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
3938                 map_window_raised(w);
3939
3940                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3941                     (bar_fs_extents->max_logical_extent.height -
3942                     lbox.height) / 2 - lbox.y, s);
3943
3944                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3945
3946                 fprintf(lfile, "%d\n", i);
3947                 i++;
3948         }
3949
3950         fclose(lfile);
3951 }
3952
3953 void
3954 search_resp_uniconify(char *resp, unsigned long len)
3955 {
3956         char                    *name;
3957         struct ws_win           *win;
3958         char                    *s;
3959
3960         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3961
3962         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3963                 if (win->iconic == 0)
3964                         continue;
3965                 name = get_win_name(win->id);
3966                 if (name == NULL)
3967                         continue;
3968                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3969                         free(name);
3970                         continue;
3971                 }
3972                 free(name);
3973                 if (strncmp(s, resp, len) == 0) {
3974                         /* XXX this should be a callback to generalize */
3975                         update_iconic(win, 0);
3976                         free(s);
3977                         break;
3978                 }
3979                 free(s);
3980         }
3981 }
3982
3983 void
3984 search_resp_name_workspace(char *resp, unsigned long len)
3985 {
3986         struct workspace        *ws;
3987
3988         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3989
3990         if (search_r->ws == NULL)
3991                 return;
3992         ws = search_r->ws;
3993
3994         if (ws->name) {
3995                 free(search_r->ws->name);
3996                 search_r->ws->name = NULL;
3997         }
3998
3999         if (len > 1) {
4000                 ws->name = strdup(resp);
4001                 if (ws->name == NULL) {
4002                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4003                             "strdup: %s", strerror(errno));
4004                         return;
4005                 }
4006         }
4007 }
4008
4009 void
4010 search_resp_search_workspace(char *resp, unsigned long len)
4011 {
4012         char                    *p, *q;
4013         int                     ws_idx;
4014         const char              *errstr;
4015         union arg               a;
4016
4017         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4018
4019         q = strdup(resp);
4020         if (!q) {
4021                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4022                     strerror(errno));
4023                 return;
4024         }
4025         p = strchr(q, ':');
4026         if (p != NULL)
4027                 *p = '\0';
4028         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
4029         if (errstr) {
4030                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4031                     errstr, q);
4032                 free(q);
4033                 return;
4034         }
4035         free(q);
4036         a.id = ws_idx - 1;
4037         switchws(search_r, &a);
4038 }
4039
4040 void
4041 search_resp_search_window(char *resp, unsigned long len)
4042 {
4043         char                    *s;
4044         int                     idx;
4045         const char              *errstr;
4046         struct search_window    *sw;
4047
4048         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4049
4050         s = strdup(resp);
4051         if (!s) {
4052                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4053                     strerror(errno));
4054                 return;
4055         }
4056
4057         idx = strtonum(s, 1, INT_MAX, &errstr);
4058         if (errstr) {
4059                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4060                     errstr, s);
4061                 free(s);
4062                 return;
4063         }
4064         free(s);
4065
4066         TAILQ_FOREACH(sw, &search_wl, entry)
4067                 if (idx == sw->idx) {
4068                         focus_win(sw->win);
4069                         break;
4070                 }
4071 }
4072
4073 #define MAX_RESP_LEN    1024
4074
4075 void
4076 search_do_resp(void)
4077 {
4078         ssize_t                 rbytes;
4079         char                    *resp;
4080         unsigned long           len;
4081
4082         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4083
4084         search_resp = 0;
4085         searchpid = 0;
4086
4087         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4088                 warn("search: calloc");
4089                 goto done;
4090         }
4091
4092         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4093         if (rbytes <= 0) {
4094                 warn("search: read error");
4095                 goto done;
4096         }
4097         resp[rbytes] = '\0';
4098
4099         /* XXX:
4100          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4101          * newline, so work around that by sanitizing the resp now.
4102          */
4103         resp[strcspn(resp, "\n")] = '\0';
4104         len = strlen(resp);
4105
4106         switch (search_resp_action) {
4107         case SWM_SEARCH_UNICONIFY:
4108                 search_resp_uniconify(resp, len);
4109                 break;
4110         case SWM_SEARCH_NAME_WORKSPACE:
4111                 search_resp_name_workspace(resp, len);
4112                 break;
4113         case SWM_SEARCH_SEARCH_WORKSPACE:
4114                 search_resp_search_workspace(resp, len);
4115                 break;
4116         case SWM_SEARCH_SEARCH_WINDOW:
4117                 search_resp_search_window(resp, len);
4118                 break;
4119         }
4120
4121 done:
4122         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4123                 search_win_cleanup();
4124
4125         search_resp_action = SWM_SEARCH_NONE;
4126         close(select_resp_pipe[0]);
4127         free(resp);
4128 }
4129
4130 void
4131 wkill(struct swm_region *r, union arg *args)
4132 {
4133         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4134
4135         if (r->ws->focus == NULL)
4136                 return;
4137
4138         if (args->id == SWM_ARG_ID_KILLWINDOW)
4139                 xcb_kill_client(conn, r->ws->focus->id);
4140         else
4141                 if (r->ws->focus->can_delete)
4142                         client_msg(r->ws->focus, adelete);
4143 }
4144
4145
4146 int
4147 floating_toggle_win(struct ws_win *win)
4148 {
4149         struct swm_region       *r;
4150
4151         if (win == NULL)
4152                 return (0);
4153
4154         if (!win->ws->r)
4155                 return (0);
4156
4157         r = win->ws->r;
4158
4159         /* reject floating toggles in max stack mode */
4160         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4161                 return (0);
4162
4163         if (win->floating) {
4164                 if (!win->floatmaxed) {
4165                         /* retain position for refloat */
4166                         store_float_geom(win, r);
4167                 }
4168                 win->floating = 0;
4169         } else {
4170                 if (win->g_floatvalid) {
4171                         /* refloat at last floating relative position */
4172                         X(win) = win->g_float.x + X(r);
4173                         Y(win) = win->g_float.y + Y(r);
4174                         WIDTH(win) = win->g_float.w;
4175                         HEIGHT(win) = win->g_float.h;
4176                 }
4177                 win->floating = 1;
4178         }
4179
4180         ewmh_update_actions(win);
4181
4182         return (1);
4183 }
4184
4185 void
4186 floating_toggle(struct swm_region *r, union arg *args)
4187 {
4188         struct ws_win           *win = r->ws->focus;
4189         union arg               a;
4190
4191         if (win == NULL)
4192                 return;
4193
4194         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4195             _NET_WM_STATE_TOGGLE);
4196
4197         stack();
4198
4199         if (win == win->ws->focus) {
4200                 a.id = SWM_ARG_ID_FOCUSCUR;
4201                 focus(win->ws->r, &a);
4202         }
4203 }
4204
4205 void
4206 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4207 {
4208         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4209                 if (resizable)
4210                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4211                 else
4212                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4213         }
4214
4215         if (X(win) + BORDER(win) < X(r)) {
4216                 if (resizable)
4217                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4218
4219                 X(win) = X(r) - BORDER(win);
4220         }
4221
4222         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4223                 if (resizable)
4224                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4225                 else
4226                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4227         }
4228
4229         if (Y(win) + BORDER(win) < Y(r)) {
4230                 if (resizable)
4231                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4232
4233                 Y(win) = Y(r) - BORDER(win);
4234         }
4235
4236         if (resizable) {
4237                 if (WIDTH(win) < 1)
4238                         WIDTH(win) = 1;
4239                 if (HEIGHT(win) < 1)
4240                         HEIGHT(win) = 1;
4241         }
4242 }
4243
4244 void
4245 update_window(struct ws_win *win)
4246 {
4247         uint16_t        mask;
4248         uint32_t        wc[5];
4249
4250         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4251                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4252                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4253         wc[0] = X(win);
4254         wc[1] = Y(win);
4255         wc[2] = WIDTH(win);
4256         wc[3] = HEIGHT(win);
4257         wc[4] = BORDER(win);
4258
4259         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4260             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4261             wc[3], YESNO(win->bordered));
4262
4263         xcb_configure_window(conn, win->id, mask, wc);
4264 }
4265
4266 #define SWM_RESIZE_STEPS        (50)
4267
4268 void
4269 resize(struct ws_win *win, union arg *args)
4270 {
4271         xcb_timestamp_t         time = 0;
4272         struct swm_region       *r = NULL;
4273         int                     resize_step = 0;
4274         struct swm_geometry     g;
4275         int                     top = 0, left = 0, buttonrelease;
4276         int                     dx, dy;
4277         unsigned int            shape; /* cursor style */
4278         xcb_cursor_t            cursor;
4279         xcb_font_t              cursor_font;
4280         xcb_grab_pointer_reply_t        *gpr;
4281         xcb_query_pointer_reply_t       *xpr;
4282         xcb_generic_event_t             *evt;
4283         xcb_motion_notify_event_t       *mne;
4284
4285         if (win == NULL)
4286                 return;
4287         r = win->ws->r;
4288
4289         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4290                 return;
4291
4292         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%x, floating: %s, "
4293             "transient: 0x%x\n", win->id, YESNO(win->floating),
4294             win->transient);
4295
4296         if (!(win->transient != 0 || win->floating != 0))
4297                 return;
4298
4299         /* reject resizes in max mode for floaters (transient ok) */
4300         if (win->floatmaxed)
4301                 return;
4302
4303         win->manual = 1;
4304         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4305             _NET_WM_STATE_ADD);
4306
4307         stack();
4308
4309         switch (args->id) {
4310         case SWM_ARG_ID_WIDTHSHRINK:
4311                 WIDTH(win) -= SWM_RESIZE_STEPS;
4312                 resize_step = 1;
4313                 break;
4314         case SWM_ARG_ID_WIDTHGROW:
4315                 WIDTH(win) += SWM_RESIZE_STEPS;
4316                 resize_step = 1;
4317                 break;
4318         case SWM_ARG_ID_HEIGHTSHRINK:
4319                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4320                 resize_step = 1;
4321                 break;
4322         case SWM_ARG_ID_HEIGHTGROW:
4323                 HEIGHT(win) += SWM_RESIZE_STEPS;
4324                 resize_step = 1;
4325                 break;
4326         default:
4327                 break;
4328         }
4329         if (resize_step) {
4330                 constrain_window(win, r, 1);
4331                 update_window(win);
4332                 store_float_geom(win,r);
4333                 return;
4334         }
4335
4336         /* get cursor offset from window root */
4337         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4338                 NULL);
4339         if (!xpr)
4340                 return;
4341
4342         g = win->g;
4343
4344         if (xpr->win_x < WIDTH(win) / 2)
4345                 left = 1;
4346
4347         if (xpr->win_y < HEIGHT(win) / 2)
4348                 top = 1;
4349
4350         if (args->id == SWM_ARG_ID_CENTER)
4351                 shape = XC_sizing;
4352         else if (top)
4353                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4354         else
4355                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4356
4357         cursor_font = xcb_generate_id(conn);
4358         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4359
4360         cursor = xcb_generate_id(conn);
4361         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4362                 shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4363
4364         gpr = xcb_grab_pointer_reply(conn,
4365                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4366                 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
4367                 cursor, XCB_CURRENT_TIME),
4368                 NULL);
4369         if (!gpr) {
4370                 xcb_free_cursor(conn, cursor);
4371                 xcb_close_font(conn, cursor_font);
4372                 free(xpr);
4373                 return;
4374         }
4375
4376         buttonrelease = 0;
4377         while ((evt = xcb_poll_for_event(conn)) && buttonrelease != 1) {
4378                 /*
4379                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4380                     SubstructureRedirectMask, &ev);
4381                 */
4382                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4383                 case XCB_BUTTON_RELEASE:
4384                         buttonrelease = 1;
4385                         break;
4386                 case XCB_MOTION_NOTIFY:
4387                         mne = (xcb_motion_notify_event_t *)evt;
4388                         /* cursor offset/delta from start of the operation */
4389                         dx = mne->root_x - xpr->root_x;
4390                         dy = mne->root_y - xpr->root_y;
4391
4392                         /* vertical */
4393                         if (top)
4394                                 dy = -dy;
4395
4396                         if (args->id == SWM_ARG_ID_CENTER) {
4397                                 if (g.h / 2 + dy < 1)
4398                                         dy = 1 - g.h / 2;
4399
4400                                 Y(win) = g.y - dy;
4401                                 HEIGHT(win) = g.h + 2 * dy;
4402                         } else {
4403                                 if (g.h + dy < 1)
4404                                         dy = 1 - g.h;
4405
4406                                 if (top)
4407                                         Y(win) = g.y - dy;
4408
4409                                 HEIGHT(win) = g.h + dy;
4410                         }
4411
4412                         /* horizontal */
4413                         if (left)
4414                                 dx = -dx;
4415
4416                         if (args->id == SWM_ARG_ID_CENTER) {
4417                                 if (g.w / 2 + dx < 1)
4418                                         dx = 1 - g.w / 2;
4419
4420                                 X(win) = g.x - dx;
4421                                 WIDTH(win) = g.w + 2 * dx;
4422                         } else {
4423                                 if (g.w + dx < 1)
4424                                         dx = 1 - g.w;
4425
4426                                 if (left)
4427                                         X(win) = g.x - dx;
4428
4429                                 WIDTH(win) = g.w + dx;
4430                         }
4431
4432                         constrain_window(win, r, 1);
4433
4434                         /* not free, don't sync more than 120 times / second */
4435                         if ((mne->time - time) > (1000 / 120) ) {
4436                                 time = mne->time;
4437                                 do_sync();
4438                                 update_window(win);
4439                         }
4440                         break;
4441                 default:
4442                         event_handle(evt);
4443                         break;
4444                 }
4445                 free(evt);
4446         }
4447         if (time) {
4448                 do_sync();
4449                 update_window(win);
4450         }
4451         store_float_geom(win,r);
4452
4453         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4454         xcb_free_cursor(conn, cursor);
4455         xcb_close_font(conn, cursor_font);
4456         free(gpr);
4457         free(xpr);
4458 }
4459
4460 void
4461 resize_step(struct swm_region *r, union arg *args)
4462 {
4463         struct ws_win           *win = NULL;
4464
4465         if (r && r->ws && r->ws->focus)
4466                 win = r->ws->focus;
4467         else
4468                 return;
4469
4470         resize(win, args);
4471 }
4472
4473 #define SWM_MOVE_STEPS  (50)
4474
4475 void
4476 move(struct ws_win *win, union arg *args)
4477 {
4478         xcb_timestamp_t         time = 0;
4479         int                     move_step = 0, buttonrelease;
4480         struct swm_region       *r = NULL;
4481         xcb_font_t                      cursor_font;
4482         xcb_cursor_t                    cursor;
4483         xcb_grab_pointer_reply_t        *gpr;
4484         xcb_query_pointer_reply_t       *qpr;
4485         xcb_generic_event_t             *evt;
4486         xcb_motion_notify_event_t       *mne;
4487
4488         if (win == NULL)
4489                 return;
4490         r = win->ws->r;
4491
4492         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4493                 return;
4494
4495         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%x, floating: %s, transient: "
4496             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4497
4498         /* in max_stack mode should only move transients */
4499         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4500                 return;
4501
4502         win->manual = 1;
4503         if (win->floating == 0 && !win->transient) {
4504                 store_float_geom(win, r);
4505                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4506                     _NET_WM_STATE_ADD);
4507         }
4508         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4509             _NET_WM_STATE_ADD);
4510
4511         stack();
4512
4513         move_step = 0;
4514         switch (args->id) {
4515         case SWM_ARG_ID_MOVELEFT:
4516                 X(win) -= (SWM_MOVE_STEPS - border_width);
4517                 move_step = 1;
4518                 break;
4519         case SWM_ARG_ID_MOVERIGHT:
4520                 X(win) += (SWM_MOVE_STEPS - border_width);
4521                 move_step = 1;
4522                 break;
4523         case SWM_ARG_ID_MOVEUP:
4524                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4525                 move_step = 1;
4526                 break;
4527         case SWM_ARG_ID_MOVEDOWN:
4528                 Y(win) += (SWM_MOVE_STEPS - border_width);
4529                 move_step = 1;
4530                 break;
4531         default:
4532                 break;
4533         }
4534         if (move_step) {
4535                 constrain_window(win, r, 0);
4536                 update_window(win);
4537                 store_float_geom(win, r);
4538                 return;
4539         }
4540
4541         cursor_font = xcb_generate_id(conn);
4542         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4543
4544         cursor = xcb_generate_id(conn);
4545         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4546                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4547
4548         gpr = xcb_grab_pointer_reply(conn,
4549                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4550                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4551                         XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME),
4552                 NULL);
4553         if (!gpr) {
4554                 xcb_free_cursor(conn, cursor);
4555                 xcb_close_font(conn, cursor_font);
4556                 return;
4557         }
4558
4559         /* get cursor offset from window root */
4560         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4561                 NULL);
4562         if (!qpr) {
4563                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4564                 xcb_free_cursor(conn, cursor);
4565                 xcb_close_font(conn, cursor_font);
4566                 return;
4567         }
4568
4569         buttonrelease = 0;
4570         while ((evt = xcb_poll_for_event(conn)) && buttonrelease != 1) {
4571                 /*
4572                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4573                     SubstructureRedirectMask, &ev);
4574                 */
4575                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4576                 case XCB_BUTTON_RELEASE:
4577                         buttonrelease = 1;
4578                         break;
4579                 case XCB_MOTION_NOTIFY:
4580                         mne = (xcb_motion_notify_event_t *)evt;
4581                         X(win) = mne->root_x - qpr->win_x - border_width;
4582                         Y(win) = mne->root_y - qpr->win_y - border_width;
4583
4584                         constrain_window(win, r, 0);
4585
4586                         /* not free, don't sync more than 120 times / second */
4587                         if ((mne->time - time) > (1000 / 120) ) {
4588                                 time = mne->time;
4589                                 do_sync();
4590                                 update_window(win);
4591                         }
4592                         break;
4593                 default:
4594                         event_handle(evt);
4595                         break;
4596                 }
4597                 free(evt);
4598         }
4599         if (time) {
4600                 do_sync();
4601                 update_window(win);
4602         }
4603         store_float_geom(win, r);
4604         free(qpr);
4605         xcb_free_cursor(conn, cursor);
4606         xcb_close_font(conn, cursor_font);
4607         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4608 }
4609
4610 void
4611 move_step(struct swm_region *r, union arg *args)
4612 {
4613         struct ws_win           *win = NULL;
4614
4615         if (r && r->ws && r->ws->focus)
4616                 win = r->ws->focus;
4617         else
4618                 return;
4619
4620         if (!(win->transient != 0 || win->floating != 0))
4621                 return;
4622
4623         move(win, args);
4624 }
4625
4626
4627 /* user/key callable function IDs */
4628 enum keyfuncid {
4629         kf_cycle_layout,
4630         kf_flip_layout,
4631         kf_stack_reset,
4632         kf_master_shrink,
4633         kf_master_grow,
4634         kf_master_add,
4635         kf_master_del,
4636         kf_stack_inc,
4637         kf_stack_dec,
4638         kf_swap_main,
4639         kf_focus_next,
4640         kf_focus_prev,
4641         kf_swap_next,
4642         kf_swap_prev,
4643         kf_quit,
4644         kf_restart,
4645         kf_focus_main,
4646         kf_ws_1,
4647         kf_ws_2,
4648         kf_ws_3,
4649         kf_ws_4,
4650         kf_ws_5,
4651         kf_ws_6,
4652         kf_ws_7,
4653         kf_ws_8,
4654         kf_ws_9,
4655         kf_ws_10,
4656         kf_ws_11,
4657         kf_ws_12,
4658         kf_ws_13,
4659         kf_ws_14,
4660         kf_ws_15,
4661         kf_ws_16,
4662         kf_ws_17,
4663         kf_ws_18,
4664         kf_ws_19,
4665         kf_ws_20,
4666         kf_ws_21,
4667         kf_ws_22,
4668         kf_ws_next,
4669         kf_ws_prev,
4670         kf_ws_next_all,
4671         kf_ws_prev_all,
4672         kf_ws_prior,
4673         kf_screen_next,
4674         kf_screen_prev,
4675         kf_mvws_1,
4676         kf_mvws_2,
4677         kf_mvws_3,
4678         kf_mvws_4,
4679         kf_mvws_5,
4680         kf_mvws_6,
4681         kf_mvws_7,
4682         kf_mvws_8,
4683         kf_mvws_9,
4684         kf_mvws_10,
4685         kf_mvws_11,
4686         kf_mvws_12,
4687         kf_mvws_13,
4688         kf_mvws_14,
4689         kf_mvws_15,
4690         kf_mvws_16,
4691         kf_mvws_17,
4692         kf_mvws_18,
4693         kf_mvws_19,
4694         kf_mvws_20,
4695         kf_mvws_21,
4696         kf_mvws_22,
4697         kf_bar_toggle,
4698         kf_wind_kill,
4699         kf_wind_del,
4700         kf_float_toggle,
4701         kf_version,
4702         kf_spawn_custom,
4703         kf_iconify,
4704         kf_uniconify,
4705         kf_raise_toggle,
4706         kf_button2,
4707         kf_width_shrink,
4708         kf_width_grow,
4709         kf_height_shrink,
4710         kf_height_grow,
4711         kf_move_left,
4712         kf_move_right,
4713         kf_move_up,
4714         kf_move_down,
4715         kf_name_workspace,
4716         kf_search_workspace,
4717         kf_search_win,
4718         kf_dumpwins, /* MUST BE LAST */
4719         kf_invalid
4720 };
4721
4722 /* key definitions */
4723 void
4724 dummykeyfunc(struct swm_region *r, union arg *args)
4725 {
4726 };
4727
4728 struct keyfunc {
4729         char                    name[SWM_FUNCNAME_LEN];
4730         void                    (*func)(struct swm_region *r, union arg *);
4731         union arg               args;
4732 } keyfuncs[kf_invalid + 1] = {
4733         /* name                 function        argument */
4734         { "cycle_layout",       cycle_layout,   {0} },
4735         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4736         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4737         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4738         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4739         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4740         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4741         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4742         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4743         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4744         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4745         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4746         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4747         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4748         { "quit",               quit,           {0} },
4749         { "restart",            restart,        {0} },
4750         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4751         { "ws_1",               switchws,       {.id = 0} },
4752         { "ws_2",               switchws,       {.id = 1} },
4753         { "ws_3",               switchws,       {.id = 2} },
4754         { "ws_4",               switchws,       {.id = 3} },
4755         { "ws_5",               switchws,       {.id = 4} },
4756         { "ws_6",               switchws,       {.id = 5} },
4757         { "ws_7",               switchws,       {.id = 6} },
4758         { "ws_8",               switchws,       {.id = 7} },
4759         { "ws_9",               switchws,       {.id = 8} },
4760         { "ws_10",              switchws,       {.id = 9} },
4761         { "ws_11",              switchws,       {.id = 10} },
4762         { "ws_12",              switchws,       {.id = 11} },
4763         { "ws_13",              switchws,       {.id = 12} },
4764         { "ws_14",              switchws,       {.id = 13} },
4765         { "ws_15",              switchws,       {.id = 14} },
4766         { "ws_16",              switchws,       {.id = 15} },
4767         { "ws_17",              switchws,       {.id = 16} },
4768         { "ws_18",              switchws,       {.id = 17} },
4769         { "ws_19",              switchws,       {.id = 18} },
4770         { "ws_20",              switchws,       {.id = 19} },
4771         { "ws_21",              switchws,       {.id = 20} },
4772         { "ws_22",              switchws,       {.id = 21} },
4773         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4774         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4775         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4776         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4777         { "ws_prior",           priorws,        {0} },
4778         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4779         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4780         { "mvws_1",             send_to_ws,     {.id = 0} },
4781         { "mvws_2",             send_to_ws,     {.id = 1} },
4782         { "mvws_3",             send_to_ws,     {.id = 2} },
4783         { "mvws_4",             send_to_ws,     {.id = 3} },
4784         { "mvws_5",             send_to_ws,     {.id = 4} },
4785         { "mvws_6",             send_to_ws,     {.id = 5} },
4786         { "mvws_7",             send_to_ws,     {.id = 6} },
4787         { "mvws_8",             send_to_ws,     {.id = 7} },
4788         { "mvws_9",             send_to_ws,     {.id = 8} },
4789         { "mvws_10",            send_to_ws,     {.id = 9} },
4790         { "mvws_11",            send_to_ws,     {.id = 10} },
4791         { "mvws_12",            send_to_ws,     {.id = 11} },
4792         { "mvws_13",            send_to_ws,     {.id = 12} },
4793         { "mvws_14",            send_to_ws,     {.id = 13} },
4794         { "mvws_15",            send_to_ws,     {.id = 14} },
4795         { "mvws_16",            send_to_ws,     {.id = 15} },
4796         { "mvws_17",            send_to_ws,     {.id = 16} },
4797         { "mvws_18",            send_to_ws,     {.id = 17} },
4798         { "mvws_19",            send_to_ws,     {.id = 18} },
4799         { "mvws_20",            send_to_ws,     {.id = 19} },
4800         { "mvws_21",            send_to_ws,     {.id = 20} },
4801         { "mvws_22",            send_to_ws,     {.id = 21} },
4802         { "bar_toggle",         bar_toggle,     {0} },
4803         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4804         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4805         { "float_toggle",       floating_toggle,{0} },
4806         { "version",            version,        {0} },
4807         { "spawn_custom",       dummykeyfunc,   {0} },
4808         { "iconify",            iconify,        {0} },
4809         { "uniconify",          uniconify,      {0} },
4810         { "raise_toggle",       raise_toggle,   {0} },
4811         { "button2",            pressbutton,    {2} },
4812         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4813         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4814         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4815         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4816         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4817         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4818         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4819         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4820         { "name_workspace",     name_workspace, {0} },
4821         { "search_workspace",   search_workspace,       {0} },
4822         { "search_win",         search_win,     {0} },
4823         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4824         { "invalid key func",   NULL,           {0} },
4825 };
4826 struct key {
4827         RB_ENTRY(key)           entry;
4828         unsigned int            mod;
4829         KeySym                  keysym;
4830         enum keyfuncid          funcid;
4831         char                    *spawn_name;
4832 };
4833 RB_HEAD(key_tree, key);
4834
4835 int
4836 key_cmp(struct key *kp1, struct key *kp2)
4837 {
4838         if (kp1->keysym < kp2->keysym)
4839                 return (-1);
4840         if (kp1->keysym > kp2->keysym)
4841                 return (1);
4842
4843         if (kp1->mod < kp2->mod)
4844                 return (-1);
4845         if (kp1->mod > kp2->mod)
4846                 return (1);
4847
4848         return (0);
4849 }
4850
4851 RB_GENERATE(key_tree, key, entry, key_cmp);
4852 struct key_tree                 keys;
4853
4854 /* mouse */
4855 enum { client_click, root_click };
4856 struct button {
4857         unsigned int            action;
4858         unsigned int            mask;
4859         unsigned int            button;
4860         void                    (*func)(struct ws_win *, union arg *);
4861         union arg               args;
4862 } buttons[] = {
4863           /* action     key             mouse button    func    args */
4864         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4865         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4866         { client_click, MODKEY,         Button1,        move,   {0} },
4867 };
4868
4869 void
4870 update_modkey(unsigned int mod)
4871 {
4872         int                     i;
4873         struct key              *kp;
4874
4875         mod_key = mod;
4876         RB_FOREACH(kp, key_tree, &keys)
4877                 if (kp->mod & ShiftMask)
4878                         kp->mod = mod | ShiftMask;
4879                 else
4880                         kp->mod = mod;
4881
4882         for (i = 0; i < LENGTH(buttons); i++)
4883                 if (buttons[i].mask & ShiftMask)
4884                         buttons[i].mask = mod | ShiftMask;
4885                 else
4886                         buttons[i].mask = mod;
4887 }
4888
4889 /* spawn */
4890 struct spawn_prog {
4891         TAILQ_ENTRY(spawn_prog) entry;
4892         char                    *name;
4893         int                     argc;
4894         char                    **argv;
4895 };
4896 TAILQ_HEAD(spawn_list, spawn_prog);
4897 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4898
4899 int
4900 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4901     char ***ret_args)
4902 {
4903         struct spawn_prog       *prog = NULL;
4904         int                     i;
4905         char                    *ap, **real_args;
4906
4907         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4908
4909         /* find program */
4910         TAILQ_FOREACH(prog, &spawns, entry) {
4911                 if (!strcasecmp(spawn_name, prog->name))
4912                         break;
4913         }
4914         if (prog == NULL) {
4915                 warnx("spawn_custom: program %s not found", spawn_name);
4916                 return (-1);
4917         }
4918
4919         /* make room for expanded args */
4920         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4921                 err(1, "spawn_custom: calloc real_args");
4922
4923         /* expand spawn_args into real_args */
4924         for (i = 0; i < prog->argc; i++) {
4925                 ap = prog->argv[i];
4926                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4927                 if (!strcasecmp(ap, "$bar_border")) {
4928                         if ((real_args[i] =
4929                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4930                             == NULL)
4931                                 err(1,  "spawn_custom border color");
4932                 } else if (!strcasecmp(ap, "$bar_color")) {
4933                         if ((real_args[i] =
4934                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4935                             == NULL)
4936                                 err(1, "spawn_custom bar color");
4937                 } else if (!strcasecmp(ap, "$bar_font")) {
4938                         if ((real_args[i] = strdup(bar_fonts))
4939                             == NULL)
4940                                 err(1, "spawn_custom bar fonts");
4941                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4942                         if ((real_args[i] =
4943                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4944                             == NULL)
4945                                 err(1, "spawn_custom color font");
4946                 } else if (!strcasecmp(ap, "$color_focus")) {
4947                         if ((real_args[i] =
4948                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4949                             == NULL)
4950                                 err(1, "spawn_custom color focus");
4951                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4952                         if ((real_args[i] =
4953                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4954                             == NULL)
4955                                 err(1, "spawn_custom color unfocus");
4956                 } else {
4957                         /* no match --> copy as is */
4958                         if ((real_args[i] = strdup(ap)) == NULL)
4959                                 err(1, "spawn_custom strdup(ap)");
4960                 }
4961                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4962                     real_args[i]);
4963         }
4964
4965 #ifdef SWM_DEBUG
4966         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4967         for (i = 0; i < prog->argc; i++)
4968                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4969         DNPRINTF(SWM_D_SPAWN, "\n");
4970 #endif
4971         *ret_args = real_args;
4972         return (prog->argc);
4973 }
4974
4975 void
4976 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4977 {
4978         union arg               a;
4979         char                    **real_args;
4980         int                     spawn_argc, i;
4981
4982         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4983                 return;
4984         a.argv = real_args;
4985         if (fork() == 0)
4986                 spawn(r->ws->idx, &a, 1);
4987
4988         for (i = 0; i < spawn_argc; i++)
4989                 free(real_args[i]);
4990         free(real_args);
4991 }
4992
4993 void
4994 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4995 {
4996         union arg               a;
4997         char                    **real_args;
4998         int                     i, spawn_argc;
4999
5000         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5001                 return;
5002         a.argv = real_args;
5003
5004         if (pipe(select_list_pipe) == -1)
5005                 err(1, "pipe error");
5006         if (pipe(select_resp_pipe) == -1)
5007                 err(1, "pipe error");
5008
5009         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5010                 err(1, "could not disable SIGPIPE");
5011         switch (*pid = fork()) {
5012         case -1:
5013                 err(1, "cannot fork");
5014                 break;
5015         case 0: /* child */
5016                 if (dup2(select_list_pipe[0], 0) == -1)
5017                         err(1, "dup2");
5018                 if (dup2(select_resp_pipe[1], 1) == -1)
5019                         err(1, "dup2");
5020                 close(select_list_pipe[1]);
5021                 close(select_resp_pipe[0]);
5022                 spawn(r->ws->idx, &a, 0);
5023                 break;
5024         default: /* parent */
5025                 close(select_list_pipe[0]);
5026                 close(select_resp_pipe[1]);
5027                 break;
5028         }
5029
5030         for (i = 0; i < spawn_argc; i++)
5031                 free(real_args[i]);
5032         free(real_args);
5033 }
5034
5035 void
5036 spawn_insert(char *name, char *args)
5037 {
5038         char                    *arg, *cp, *ptr;
5039         struct spawn_prog       *sp;
5040
5041         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5042
5043         if ((sp = calloc(1, sizeof *sp)) == NULL)
5044                 err(1, "spawn_insert: malloc");
5045         if ((sp->name = strdup(name)) == NULL)
5046                 err(1, "spawn_insert: strdup");
5047
5048         /* convert the arguments to an argument list */
5049         if ((ptr = cp = strdup(args)) == NULL)
5050                 err(1, "spawn_insert: strdup");
5051         while ((arg = strsep(&ptr, " \t")) != NULL) {
5052                 /* empty field; skip it */
5053                 if (*arg == '\0')
5054                         continue;
5055
5056                 sp->argc++;
5057                 if ((sp->argv = realloc(sp->argv, sp->argc *
5058                     sizeof *sp->argv)) == NULL)
5059                         err(1, "spawn_insert: realloc");
5060                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5061                         err(1, "spawn_insert: strdup");
5062         }
5063         free(cp);
5064
5065         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5066         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5067 }
5068
5069 void
5070 spawn_remove(struct spawn_prog *sp)
5071 {
5072         int                     i;
5073
5074         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5075
5076         TAILQ_REMOVE(&spawns, sp, entry);
5077         for (i = 0; i < sp->argc; i++)
5078                 free(sp->argv[i]);
5079         free(sp->argv);
5080         free(sp->name);
5081         free(sp);
5082
5083         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5084 }
5085
5086 void
5087 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5088 {
5089         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5090
5091         spawn_remove(sp);
5092         spawn_insert(name, args);
5093
5094         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5095 }
5096
5097 void
5098 setspawn(char *name, char *args)
5099 {
5100         struct spawn_prog       *sp;
5101
5102         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5103
5104         if (name == NULL)
5105                 return;
5106
5107         TAILQ_FOREACH(sp, &spawns, entry) {
5108                 if (!strcmp(sp->name, name)) {
5109                         if (*args == '\0')
5110                                 spawn_remove(sp);
5111                         else
5112                                 spawn_replace(sp, name, args);
5113                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5114                         return;
5115                 }
5116         }
5117         if (*args == '\0') {
5118                 warnx("error: setspawn: cannot find program: %s", name);
5119                 return;
5120         }
5121
5122         spawn_insert(name, args);
5123         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5124 }
5125
5126 int
5127 setconfspawn(char *selector, char *value, int flags)
5128 {
5129         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5130
5131         setspawn(selector, value);
5132
5133         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5134         return (0);
5135 }
5136
5137 void
5138 setup_spawn(void)
5139 {
5140         setconfspawn("term",            "xterm",                0);
5141         setconfspawn("spawn_term",      "xterm",                0);
5142         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5143         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5144         setconfspawn("lock",            "xlock",                0);
5145         setconfspawn("initscr",         "initscreen.sh",        0);
5146         setconfspawn("menu",            "dmenu_run"
5147                                         " -fn $bar_font"
5148                                         " -nb $bar_color"
5149                                         " -nf $bar_font_color"
5150                                         " -sb $bar_border"
5151                                         " -sf $bar_color",      0);
5152         setconfspawn("search",          "dmenu"
5153                                         " -i"
5154                                         " -fn $bar_font"
5155                                         " -nb $bar_color"
5156                                         " -nf $bar_font_color"
5157                                         " -sb $bar_border"
5158                                         " -sf $bar_color",      0);
5159         setconfspawn("name_workspace",  "dmenu"
5160                                         " -p Workspace"
5161                                         " -fn $bar_font"
5162                                         " -nb $bar_color"
5163                                         " -nf $bar_font_color"
5164                                         " -sb $bar_border"
5165                                         " -sf $bar_color",      0);
5166 }
5167
5168 /* key bindings */
5169 #define SWM_MODNAME_SIZE        32
5170 #define SWM_KEY_WS              "\n+ \t"
5171 int
5172 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5173 {
5174         char                    *cp, *name;
5175         KeySym                  uks;
5176         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5177         if (mod == NULL || ks == NULL) {
5178                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5179                 return (1);
5180         }
5181         if (keystr == NULL || strlen(keystr) == 0) {
5182                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5183                 return (1);
5184         }
5185         cp = keystr;
5186         *ks = NoSymbol;
5187         *mod = 0;
5188         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5189                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5190                 if (cp)
5191                         cp += (long)strspn(cp, SWM_KEY_WS);
5192                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5193                         *mod |= currmod;
5194                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5195                         *mod |= Mod1Mask;
5196                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5197                         *mod += Mod2Mask;
5198                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5199                         *mod |= Mod3Mask;
5200                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5201                         *mod |= Mod4Mask;
5202                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5203                         *mod |= ShiftMask;
5204                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5205                         *mod |= ControlMask;
5206                 else {
5207                         *ks = XStringToKeysym(name);
5208                         XConvertCase(*ks, ks, &uks);
5209                         if (ks == NoSymbol) {
5210                                 DNPRINTF(SWM_D_KEY,
5211                                     "parsekeys: invalid key %s\n",
5212                                     name);
5213                                 return (1);
5214                         }
5215                 }
5216         }
5217         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5218         return (0);
5219 }
5220
5221 char *
5222 strdupsafe(char *str)
5223 {
5224         if (str == NULL)
5225                 return (NULL);
5226         else
5227                 return (strdup(str));
5228 }
5229
5230 void
5231 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5232 {
5233         struct key              *kp;
5234
5235         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5236             keyfuncs[kfid].name, spawn_name);
5237
5238         if ((kp = malloc(sizeof *kp)) == NULL)
5239                 err(1, "key_insert: malloc");
5240
5241         kp->mod = mod;
5242         kp->keysym = ks;
5243         kp->funcid = kfid;
5244         kp->spawn_name = strdupsafe(spawn_name);
5245         RB_INSERT(key_tree, &keys, kp);
5246
5247         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5248 }
5249
5250 struct key *
5251 key_lookup(unsigned int mod, KeySym ks)
5252 {
5253         struct key              kp;
5254
5255         kp.keysym = ks;
5256         kp.mod = mod;
5257
5258         return (RB_FIND(key_tree, &keys, &kp));
5259 }
5260
5261 void
5262 key_remove(struct key *kp)
5263 {
5264         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5265
5266         RB_REMOVE(key_tree, &keys, kp);
5267         free(kp->spawn_name);
5268         free(kp);
5269
5270         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5271 }
5272
5273 void
5274 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5275     char *spawn_name)
5276 {
5277         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5278             spawn_name);
5279
5280         key_remove(kp);
5281         key_insert(mod, ks, kfid, spawn_name);
5282
5283         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5284 }
5285
5286 void
5287 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5288     char *spawn_name)
5289 {
5290         struct key              *kp;
5291
5292         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5293             keyfuncs[kfid].name, spawn_name);
5294
5295         if ((kp = key_lookup(mod, ks)) != NULL) {
5296                 if (kfid == kf_invalid)
5297                         key_remove(kp);
5298                 else
5299                         key_replace(kp, mod, ks, kfid, spawn_name);
5300                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5301                 return;
5302         }
5303         if (kfid == kf_invalid) {
5304                 warnx("error: setkeybinding: cannot find mod/key combination");
5305                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5306                 return;
5307         }
5308
5309         key_insert(mod, ks, kfid, spawn_name);
5310         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5311 }
5312
5313 int
5314 setconfbinding(char *selector, char *value, int flags)
5315 {
5316         enum keyfuncid          kfid;
5317         unsigned int            mod;
5318         KeySym                  ks;
5319         struct spawn_prog       *sp;
5320         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5321         if (selector == NULL) {
5322                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5323                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5324                         kfid = kf_invalid;
5325                         setkeybinding(mod, ks, kfid, NULL);
5326                         return (0);
5327                 } else
5328                         return (1);
5329         }
5330         /* search by key function name */
5331         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5332                 if (strncasecmp(selector, keyfuncs[kfid].name,
5333                     SWM_FUNCNAME_LEN) == 0) {
5334                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5335                             selector);
5336                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5337                                 setkeybinding(mod, ks, kfid, NULL);
5338                                 return (0);
5339                         } else
5340                                 return (1);
5341                 }
5342         }
5343         /* search by custom spawn name */
5344         TAILQ_FOREACH(sp, &spawns, entry) {
5345                 if (strcasecmp(selector, sp->name) == 0) {
5346                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5347                             selector);
5348                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5349                                 setkeybinding(mod, ks, kf_spawn_custom,
5350                                     sp->name);
5351                                 return (0);
5352                         } else
5353                                 return (1);
5354                 }
5355         }
5356         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5357         return (1);
5358 }
5359
5360 void
5361 setup_keys(void)
5362 {
5363         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5364         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5365         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5366         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5367         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5368         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5369         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5370         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5371         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5372         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5373         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5374         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5375         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5376         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5377         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5378         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5379         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5380         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5381         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5382         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5383         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5384         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5385         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5386         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5387         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5388         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5389         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5390         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5391         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5392         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5393         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5394         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5395         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5396         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5397         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5398         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5399         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5400         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5401         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5402         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5403         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5404         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5405         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5406         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5407         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5408         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5409         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5410         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5411         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5412         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5413         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5414         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5415         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5416         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5417         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5418         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5419         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5420         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5421         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5422         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5423         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5424         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5425         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5426         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5427         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5428         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5429         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5430         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5431         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5432         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5433         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5434         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5435         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5436         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5437         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5438         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5439         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5440         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5441         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5442         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5443         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5444         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5445         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5446         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5447         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5448         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5449         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5450         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5451         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5452         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5453         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5454         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5455         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5456         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5457         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5458         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5459 #ifdef SWM_DEBUG
5460         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5461 #endif
5462 }
5463
5464 void
5465 clear_keys(void)
5466 {
5467         struct key              *kp;
5468
5469         while (RB_EMPTY(&keys) == 0) {
5470                 kp = RB_ROOT(&keys);
5471                 key_remove(kp);
5472         }
5473 }
5474
5475 int
5476 setkeymapping(char *selector, char *value, int flags)
5477 {
5478         char                    keymapping_file[PATH_MAX];
5479         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5480         if (value[0] == '~')
5481                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5482                     pwd->pw_dir, &value[1]);
5483         else
5484                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5485         clear_keys();
5486         /* load new key bindings; if it fails, revert to default bindings */
5487         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5488                 clear_keys();
5489                 setup_keys();
5490         }
5491         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5492         return (0);
5493 }
5494
5495 void
5496 updatenumlockmask(void)
5497 {
5498         unsigned int                            i, j;
5499         xcb_get_modifier_mapping_reply_t        *modmap_r;
5500         xcb_keycode_t                           *modmap, kc;
5501
5502         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5503         numlockmask = 0;
5504
5505         modmap_r = xcb_get_modifier_mapping_reply(conn,
5506                 xcb_get_modifier_mapping(conn),
5507                 NULL);
5508         if (modmap_r) {
5509                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5510                 for (i = 0; i < 8; i++) {
5511                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5512                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5513                                         + j];
5514
5515                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5516                                                 XK_Num_Lock)))
5517                                         numlockmask = (1 << i);
5518                         }
5519                 }
5520                 free(modmap_r);
5521         }
5522 }
5523
5524 void
5525 grabkeys(void)
5526 {
5527         int                     num_screens;
5528         unsigned int            j, k;
5529         xcb_keycode_t           *code;
5530         unsigned int            modifiers[] =
5531             { 0, LockMask, numlockmask, numlockmask | LockMask };
5532         struct key              *kp;
5533
5534         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5535         updatenumlockmask();
5536
5537         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5538         for (k = 0; k < num_screens; k++) {
5539                 if (TAILQ_EMPTY(&screens[k].rl))
5540                         continue;
5541                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5542                         XCB_MOD_MASK_ANY);
5543                 RB_FOREACH(kp, key_tree, &keys) {
5544                         if ((code = xcb_key_symbols_get_keycode(syms,
5545                                         kp->keysym)))
5546                                 for (j = 0; j < LENGTH(modifiers); j++)
5547                                         xcb_grab_key(conn, True,
5548                                             screens[k].root,
5549                                             kp->mod | modifiers[j],
5550                                             *code, XCB_GRAB_MODE_ASYNC,
5551                                             XCB_GRAB_MODE_ASYNC);
5552                 }
5553         }
5554 }
5555
5556 void
5557 grabbuttons(struct ws_win *win, int focused)
5558 {
5559         unsigned int            i, j;
5560         unsigned int            modifiers[] =
5561             { 0, LockMask, numlockmask, numlockmask|LockMask };
5562
5563         updatenumlockmask();
5564         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5565                 XCB_BUTTON_MASK_ANY);
5566         if (focused) {
5567                 for (i = 0; i < LENGTH(buttons); i++)
5568                         if (buttons[i].action == client_click)
5569                                 for (j = 0; j < LENGTH(modifiers); j++)
5570                                         xcb_grab_button(conn, False, win->id,
5571                                                 BUTTONMASK,
5572                                                 XCB_GRAB_MODE_ASYNC,
5573                                                 XCB_GRAB_MODE_SYNC,
5574                                                 XCB_WINDOW_NONE,
5575                                                 XCB_CURSOR_NONE,
5576                                                 buttons[i].button,
5577                                                 buttons[i].mask);
5578         } else
5579                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5580                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5581                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5582                         XCB_BUTTON_MASK_ANY);
5583 }
5584
5585 const char *quirkname[] = {
5586         "NONE",         /* config string for "no value" */
5587         "FLOAT",
5588         "TRANSSZ",
5589         "ANYWHERE",
5590         "XTERM_FONTADJ",
5591         "FULLSCREEN",
5592         "FOCUSPREV",
5593 };
5594
5595 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5596 #define SWM_Q_WS                "\n|+ \t"
5597 int
5598 parsequirks(char *qstr, unsigned long *quirk)
5599 {
5600         char                    *cp, *name;
5601         int                     i;
5602
5603         if (quirk == NULL)
5604                 return (1);
5605
5606         cp = qstr;
5607         *quirk = 0;
5608         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5609                 if (cp)
5610                         cp += (long)strspn(cp, SWM_Q_WS);
5611                 for (i = 0; i < LENGTH(quirkname); i++) {
5612                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5613                                 DNPRINTF(SWM_D_QUIRK,
5614                                     "parsequirks: %s\n", name);
5615                                 if (i == 0) {
5616                                         *quirk = 0;
5617                                         return (0);
5618                                 }
5619                                 *quirk |= 1 << (i-1);
5620                                 break;
5621                         }
5622                 }
5623                 if (i >= LENGTH(quirkname)) {
5624                         DNPRINTF(SWM_D_QUIRK,
5625                             "parsequirks: invalid quirk [%s]\n", name);
5626                         return (1);
5627                 }
5628         }
5629         return (0);
5630 }
5631
5632 void
5633 quirk_insert(const char *class, const char *name, unsigned long quirk)
5634 {
5635         struct quirk            *qp;
5636
5637         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5638             quirk);
5639
5640         if ((qp = malloc(sizeof *qp)) == NULL)
5641                 err(1, "quirk_insert: malloc");
5642         if ((qp->class = strdup(class)) == NULL)
5643                 err(1, "quirk_insert: strdup");
5644         if ((qp->name = strdup(name)) == NULL)
5645                 err(1, "quirk_insert: strdup");
5646
5647         qp->quirk = quirk;
5648         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5649
5650         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5651 }
5652
5653 void
5654 quirk_remove(struct quirk *qp)
5655 {
5656         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5657             qp->name, qp->quirk);
5658
5659         TAILQ_REMOVE(&quirks, qp, entry);
5660         free(qp->class);
5661         free(qp->name);
5662         free(qp);
5663
5664         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5665 }
5666
5667 void
5668 quirk_replace(struct quirk *qp, const char *class, const char *name,
5669     unsigned long quirk)
5670 {
5671         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5672             qp->name, qp->quirk);
5673
5674         quirk_remove(qp);
5675         quirk_insert(class, name, quirk);
5676
5677         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5678 }
5679
5680 void
5681 setquirk(const char *class, const char *name, unsigned long quirk)
5682 {
5683         struct quirk            *qp;
5684
5685         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5686            quirk);
5687
5688         TAILQ_FOREACH(qp, &quirks, entry) {
5689                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5690                         if (!quirk)
5691                                 quirk_remove(qp);
5692                         else
5693                                 quirk_replace(qp, class, name, quirk);
5694                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5695                         return;
5696                 }
5697         }
5698         if (!quirk) {
5699                 warnx("error: setquirk: cannot find class/name combination");
5700                 return;
5701         }
5702
5703         quirk_insert(class, name, quirk);
5704         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5705 }
5706
5707 int
5708 setconfquirk(char *selector, char *value, int flags)
5709 {
5710         char                    *cp, *class, *name;
5711         int                     retval;
5712         unsigned long           quirks;
5713         if (selector == NULL)
5714                 return (0);
5715         if ((cp = strchr(selector, ':')) == NULL)
5716                 return (0);
5717         *cp = '\0';
5718         class = selector;
5719         name = cp + 1;
5720         if ((retval = parsequirks(value, &quirks)) == 0)
5721                 setquirk(class, name, quirks);
5722         return (retval);
5723 }
5724
5725 void
5726 setup_quirks(void)
5727 {
5728         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5729         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5730         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5731         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5732         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5733         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5734         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5735         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5736         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5737         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5738         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5739         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5740         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5741 }
5742
5743 /* conf file stuff */
5744 #define SWM_CONF_FILE           "spectrwm.conf"
5745 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5746
5747 enum {
5748         SWM_S_BAR_ACTION,
5749         SWM_S_BAR_AT_BOTTOM,
5750         SWM_S_BAR_BORDER_WIDTH,
5751         SWM_S_BAR_DELAY,
5752         SWM_S_BAR_ENABLED,
5753         SWM_S_BAR_FONT,
5754         SWM_S_BAR_FORMAT,
5755         SWM_S_BAR_JUSTIFY,
5756         SWM_S_BORDER_WIDTH,
5757         SWM_S_CLOCK_ENABLED,
5758         SWM_S_CLOCK_FORMAT,
5759         SWM_S_CYCLE_EMPTY,
5760         SWM_S_CYCLE_VISIBLE,
5761         SWM_S_DIALOG_RATIO,
5762         SWM_S_DISABLE_BORDER,
5763         SWM_S_FOCUS_CLOSE,
5764         SWM_S_FOCUS_CLOSE_WRAP,
5765         SWM_S_FOCUS_DEFAULT,
5766         SWM_S_FOCUS_MODE,
5767         SWM_S_SPAWN_ORDER,
5768         SWM_S_SPAWN_TERM,
5769         SWM_S_SS_APP,
5770         SWM_S_SS_ENABLED,
5771         SWM_S_STACK_ENABLED,
5772         SWM_S_TERM_WIDTH,
5773         SWM_S_TITLE_CLASS_ENABLED,
5774         SWM_S_TITLE_NAME_ENABLED,
5775         SWM_S_URGENT_ENABLED,
5776         SWM_S_VERBOSE_LAYOUT,
5777         SWM_S_WINDOW_NAME_ENABLED,
5778         SWM_S_WORKSPACE_LIMIT
5779 };
5780
5781 int
5782 setconfvalue(char *selector, char *value, int flags)
5783 {
5784         int     i;
5785         char    *b;
5786
5787         switch (flags) {
5788         case SWM_S_BAR_ACTION:
5789                 free(bar_argv[0]);
5790                 if ((bar_argv[0] = strdup(value)) == NULL)
5791                         err(1, "setconfvalue: bar_action");
5792                 break;
5793         case SWM_S_BAR_AT_BOTTOM:
5794                 bar_at_bottom = atoi(value);
5795                 break;
5796         case SWM_S_BAR_BORDER_WIDTH:
5797                 bar_border_width = atoi(value);
5798                 if (bar_border_width < 0)
5799                         bar_border_width = 0;
5800                 break;
5801         case SWM_S_BAR_DELAY:
5802                 bar_delay = atoi(value);
5803                 break;
5804         case SWM_S_BAR_ENABLED:
5805                 bar_enabled = atoi(value);
5806                 break;
5807         case SWM_S_BAR_FONT:
5808                 b = bar_fonts;
5809                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5810                         err(1, "setconfvalue: asprintf: failed to allocate "
5811                                 "memory for bar_fonts.");
5812
5813                 free(b);
5814                 break;
5815         case SWM_S_BAR_FORMAT:
5816                 free(bar_format);
5817                 if ((bar_format = strdup(value)) == NULL)
5818                         err(1, "setconfvalue: bar_format");
5819                 break;
5820         case SWM_S_BAR_JUSTIFY:
5821                 if (!strcmp(value, "left"))
5822                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5823                 else if (!strcmp(value, "center"))
5824                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5825                 else if (!strcmp(value, "right"))
5826                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5827                 else
5828                         errx(1, "invalid bar_justify");
5829                 break;
5830         case SWM_S_BORDER_WIDTH:
5831                 border_width = atoi(value);
5832                 if (border_width < 0)
5833                         border_width = 0;
5834                 break;
5835         case SWM_S_CLOCK_ENABLED:
5836                 clock_enabled = atoi(value);
5837                 break;
5838         case SWM_S_CLOCK_FORMAT:
5839 #ifndef SWM_DENY_CLOCK_FORMAT
5840                 free(clock_format);
5841                 if ((clock_format = strdup(value)) == NULL)
5842                         err(1, "setconfvalue: clock_format");
5843 #endif
5844                 break;
5845         case SWM_S_CYCLE_EMPTY:
5846                 cycle_empty = atoi(value);
5847                 break;
5848         case SWM_S_CYCLE_VISIBLE:
5849                 cycle_visible = atoi(value);
5850                 break;
5851         case SWM_S_DIALOG_RATIO:
5852                 dialog_ratio = atof(value);
5853                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5854                         dialog_ratio = .6;
5855                 break;
5856         case SWM_S_DISABLE_BORDER:
5857                 disable_border = atoi(value);
5858                 break;
5859         case SWM_S_FOCUS_CLOSE:
5860                 if (!strcmp(value, "first"))
5861                         focus_close = SWM_STACK_BOTTOM;
5862                 else if (!strcmp(value, "last"))
5863                         focus_close = SWM_STACK_TOP;
5864                 else if (!strcmp(value, "next"))
5865                         focus_close = SWM_STACK_ABOVE;
5866                 else if (!strcmp(value, "previous"))
5867                         focus_close = SWM_STACK_BELOW;
5868                 else
5869                         errx(1, "focus_close");
5870                 break;
5871         case SWM_S_FOCUS_CLOSE_WRAP:
5872                 focus_close_wrap = atoi(value);
5873                 break;
5874         case SWM_S_FOCUS_DEFAULT:
5875                 if (!strcmp(value, "last"))
5876                         focus_default = SWM_STACK_TOP;
5877                 else if (!strcmp(value, "first"))
5878                         focus_default = SWM_STACK_BOTTOM;
5879                 else
5880                         errx(1, "focus_default");
5881                 break;
5882         case SWM_S_FOCUS_MODE:
5883                 if (!strcmp(value, "default"))
5884                         focus_mode = SWM_FOCUS_DEFAULT;
5885                 else if (!strcmp(value, "follow_cursor"))
5886                         focus_mode = SWM_FOCUS_FOLLOW;
5887                 else if (!strcmp(value, "synergy"))
5888                         focus_mode = SWM_FOCUS_SYNERGY;
5889                 else
5890                         errx(1, "focus_mode");
5891                 break;
5892         case SWM_S_SPAWN_ORDER:
5893                 if (!strcmp(value, "first"))
5894                         spawn_position = SWM_STACK_BOTTOM;
5895                 else if (!strcmp(value, "last"))
5896                         spawn_position = SWM_STACK_TOP;
5897                 else if (!strcmp(value, "next"))
5898                         spawn_position = SWM_STACK_ABOVE;
5899                 else if (!strcmp(value, "previous"))
5900                         spawn_position = SWM_STACK_BELOW;
5901                 else
5902                         errx(1, "spawn_position");
5903                 break;
5904         case SWM_S_SPAWN_TERM:
5905                 setconfspawn("term", value, 0);
5906                 setconfspawn("spawn_term", value, 0);
5907                 break;
5908         case SWM_S_SS_APP:
5909                 break;
5910         case SWM_S_SS_ENABLED:
5911                 ss_enabled = atoi(value);
5912                 break;
5913         case SWM_S_STACK_ENABLED:
5914                 stack_enabled = atoi(value);
5915                 break;
5916         case SWM_S_TERM_WIDTH:
5917                 term_width = atoi(value);
5918                 if (term_width < 0)
5919                         term_width = 0;
5920                 break;
5921         case SWM_S_TITLE_CLASS_ENABLED:
5922                 title_class_enabled = atoi(value);
5923                 break;
5924         case SWM_S_TITLE_NAME_ENABLED:
5925                 title_name_enabled = atoi(value);
5926                 break;
5927         case SWM_S_URGENT_ENABLED:
5928                 urgent_enabled = atoi(value);
5929                 break;
5930         case SWM_S_VERBOSE_LAYOUT:
5931                 verbose_layout = atoi(value);
5932                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5933                         if (verbose_layout)
5934                                 layouts[i].l_string = fancy_stacker;
5935                         else
5936                                 layouts[i].l_string = plain_stacker;
5937                 }
5938                 break;
5939         case SWM_S_WINDOW_NAME_ENABLED:
5940                 window_name_enabled = atoi(value);
5941                 break;
5942         case SWM_S_WORKSPACE_LIMIT:
5943                 workspace_limit = atoi(value);
5944                 if (workspace_limit > SWM_WS_MAX)
5945                         workspace_limit = SWM_WS_MAX;
5946                 else if (workspace_limit < 1)
5947                         workspace_limit = 1;
5948                 break;
5949         default:
5950                 return (1);
5951         }
5952         return (0);
5953 }
5954
5955 int
5956 setconfmodkey(char *selector, char *value, int flags)
5957 {
5958         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5959                 update_modkey(Mod1Mask);
5960         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5961                 update_modkey(Mod2Mask);
5962         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5963                 update_modkey(Mod3Mask);
5964         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5965                 update_modkey(Mod4Mask);
5966         else
5967                 return (1);
5968         return (0);
5969 }
5970
5971 int
5972 setconfcolor(char *selector, char *value, int flags)
5973 {
5974         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5975         return (0);
5976 }
5977
5978 int
5979 setconfregion(char *selector, char *value, int flags)
5980 {
5981         custom_region(value);
5982         return (0);
5983 }
5984
5985 int
5986 setautorun(char *selector, char *value, int flags)
5987 {
5988         int                     ws_id;
5989         char                    s[1024];
5990         char                    *ap, *sp = s;
5991         union arg               a;
5992         int                     argc = 0;
5993         long                    pid;
5994         struct pid_e            *p;
5995
5996         if (getenv("SWM_STARTED"))
5997                 return (0);
5998
5999         bzero(s, sizeof s);
6000         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6001                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6002         ws_id--;
6003         if (ws_id < 0 || ws_id >= workspace_limit)
6004                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6005
6006         /*
6007          * This is a little intricate
6008          *
6009          * If the pid already exists we simply reuse it because it means it was
6010          * used before AND not claimed by manage_window.  We get away with
6011          * altering it in the parent after INSERT because this can not be a race
6012          */
6013         a.argv = NULL;
6014         while ((ap = strsep(&sp, " \t")) != NULL) {
6015                 if (*ap == '\0')
6016                         continue;
6017                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6018                 argc++;
6019                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6020                         err(1, "setautorun: realloc");
6021                 a.argv[argc - 1] = ap;
6022         }
6023
6024         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6025                 err(1, "setautorun: realloc");
6026         a.argv[argc] = NULL;
6027
6028         if ((pid = fork()) == 0) {
6029                 spawn(ws_id, &a, 1);
6030                 /* NOTREACHED */
6031                 _exit(1);
6032         }
6033         free(a.argv);
6034
6035         /* parent */
6036         p = find_pid(pid);
6037         if (p == NULL) {
6038                 p = calloc(1, sizeof *p);
6039                 if (p == NULL)
6040                         return (1);
6041                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6042         }
6043
6044         p->pid = pid;
6045         p->ws = ws_id;
6046
6047         return (0);
6048 }
6049
6050 int
6051 setlayout(char *selector, char *value, int flags)
6052 {
6053         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6054         int                     st = SWM_V_STACK, num_screens;
6055         char                    s[1024];
6056         struct workspace        *ws;
6057
6058         if (getenv("SWM_STARTED"))
6059                 return (0);
6060
6061         bzero(s, sizeof s);
6062         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6063             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6064                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6065                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6066                     "<type>'");
6067         ws_id--;
6068         if (ws_id < 0 || ws_id >= workspace_limit)
6069                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6070
6071         if (!strcasecmp(s, "vertical"))
6072                 st = SWM_V_STACK;
6073         else if (!strcasecmp(s, "vertical_flip")) {
6074                 st = SWM_V_STACK;
6075                 f = 1;
6076         } else if (!strcasecmp(s, "horizontal"))
6077                 st = SWM_H_STACK;
6078         else if (!strcasecmp(s, "horizontal_flip")) {
6079                 st = SWM_H_STACK;
6080                 f = 1;
6081         } else if (!strcasecmp(s, "fullscreen"))
6082                 st = SWM_MAX_STACK;
6083         else
6084                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6085                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6086                     "<type>'");
6087
6088         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6089         for (i = 0; i < num_screens; i++) {
6090                 ws = (struct workspace *)&screens[i].ws;
6091                 ws[ws_id].cur_layout = &layouts[st];
6092
6093                 ws[ws_id].always_raise = raise;
6094                 if (st == SWM_MAX_STACK)
6095                         continue;
6096
6097                 /* master grow */
6098                 for (x = 0; x < abs(mg); x++) {
6099                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6100                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6101                             SWM_ARG_ID_MASTERSHRINK);
6102                         stack();
6103                 }
6104                 /* master add */
6105                 for (x = 0; x < abs(ma); x++) {
6106                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6107                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6108                             SWM_ARG_ID_MASTERDEL);
6109                         stack();
6110                 }
6111                 /* stack inc */
6112                 for (x = 0; x < abs(si); x++) {
6113                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6114                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6115                             SWM_ARG_ID_STACKDEC);
6116                         stack();
6117                 }
6118                 /* Apply flip */
6119                 if (f) {
6120                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6121                             SWM_ARG_ID_FLIPLAYOUT);
6122                         stack();
6123                 }
6124         }
6125
6126         return (0);
6127 }
6128
6129 /* config options */
6130 struct config_option {
6131         char                    *optname;
6132         int                     (*func)(char*, char*, int);
6133         int                     funcflags;
6134 };
6135 struct config_option configopt[] = {
6136         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6137         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6138         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6139         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6140         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6141         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6142         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6143         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6144         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6145         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6146         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6147         { "keyboard_mapping",           setkeymapping,  0 },
6148         { "bind",                       setconfbinding, 0 },
6149         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6150         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6151         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6152         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6153         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6154         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6155         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6156         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6157         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6158         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6159         { "modkey",                     setconfmodkey,  0 },
6160         { "program",                    setconfspawn,   0 },
6161         { "quirk",                      setconfquirk,   0 },
6162         { "region",                     setconfregion,  0 },
6163         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6164         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6165         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6166         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6167         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6168         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6169         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6170         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6171         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6172         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6173         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6174         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6175         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6176         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6177         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6178         { "autorun",                    setautorun,     0 },
6179         { "layout",                     setlayout,      0 },
6180 };
6181
6182
6183 int
6184 conf_load(char *filename, int keymapping)
6185 {
6186         FILE                    *config;
6187         char                    *line, *cp, *optsub, *optval;
6188         size_t                  linelen, lineno = 0;
6189         int                     wordlen, i, optind;
6190         struct config_option    *opt;
6191
6192         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6193
6194         if (filename == NULL) {
6195                 warnx("conf_load: no filename");
6196                 return (1);
6197         }
6198         if ((config = fopen(filename, "r")) == NULL) {
6199                 warn("conf_load: fopen: %s", filename);
6200                 return (1);
6201         }
6202
6203         while (!feof(config)) {
6204                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6205                     == NULL) {
6206                         if (ferror(config))
6207                                 err(1, "%s", filename);
6208                         else
6209                                 continue;
6210                 }
6211                 cp = line;
6212                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6213                 if (cp[0] == '\0') {
6214                         /* empty line */
6215                         free(line);
6216                         continue;
6217                 }
6218                 /* get config option */
6219                 wordlen = strcspn(cp, "=[ \t\n");
6220                 if (wordlen == 0) {
6221                         warnx("%s: line %zd: no option found",
6222                             filename, lineno);
6223                         goto out;
6224                 }
6225                 optind = -1;
6226                 for (i = 0; i < LENGTH(configopt); i++) {
6227                         opt = &configopt[i];
6228                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6229                             strlen(opt->optname) == wordlen) {
6230                                 optind = i;
6231                                 break;
6232                         }
6233                 }
6234                 if (optind == -1) {
6235                         warnx("%s: line %zd: unknown option %.*s",
6236                             filename, lineno, wordlen, cp);
6237                         goto out;
6238                 }
6239                 if (keymapping && strcmp(opt->optname, "bind")) {
6240                         warnx("%s: line %zd: invalid option %.*s",
6241                             filename, lineno, wordlen, cp);
6242                         goto out;
6243                 }
6244                 cp += wordlen;
6245                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6246                 /* get [selector] if any */
6247                 optsub = NULL;
6248                 if (*cp == '[') {
6249                         cp++;
6250                         wordlen = strcspn(cp, "]");
6251                         if (*cp != ']') {
6252                                 if (wordlen == 0) {
6253                                         warnx("%s: line %zd: syntax error",
6254                                             filename, lineno);
6255                                         goto out;
6256                                 }
6257
6258                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6259                                     -1) {
6260                                         warnx("%s: line %zd: unable to allocate"
6261                                             "memory for selector", filename,
6262                                             lineno);
6263                                         goto out;
6264                                 }
6265                         }
6266                         cp += wordlen;
6267                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6268                 }
6269                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6270                 /* get RHS value */
6271                 optval = strdup(cp);
6272                 /* call function to deal with it all */
6273                 if (configopt[optind].func(optsub, optval,
6274                     configopt[optind].funcflags) != 0)
6275                         errx(1, "%s: line %zd: invalid data for %s",
6276                             filename, lineno, configopt[optind].optname);
6277                 free(optval);
6278                 free(optsub);
6279                 free(line);
6280         }
6281
6282         fclose(config);
6283         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6284
6285         return (0);
6286
6287 out:
6288         free(line);
6289         fclose(config);
6290         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6291
6292         return (1);
6293 }
6294
6295 void
6296 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6297 {
6298         struct ws_win           *parent, *w;
6299         struct swm_region       *r;
6300         struct workspace        *ws;
6301         xcb_icccm_wm_hints_t    wmh;
6302
6303         parent = find_window(win->transient);
6304         if (parent)
6305                 parent->child_trans = win;
6306         else {
6307                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6308                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6309
6310                 r = root_to_region(win->wa->root);
6311                 ws = r->ws;
6312                 /* parent doen't exist in our window list */
6313                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6314                         if (xcb_icccm_get_wm_hints_reply(conn,
6315                                         xcb_icccm_get_wm_hints(conn, w->id),
6316                                         &wmh, NULL) != 1) {
6317                                 warnx("can't get hints for 0x%x", w->id);
6318                                 continue;
6319                         }
6320
6321                         if (win->hints.window_group != wmh.window_group)
6322                                 continue;
6323
6324                         w->child_trans = win;
6325                         win->transient = w->id;
6326                         *trans = w->id;
6327                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6328                             "transient to 0x%x\n", win->transient);
6329                         break;
6330                 }
6331         }
6332 }
6333
6334 long
6335 window_get_pid(xcb_window_t win)
6336 {
6337         long                            ret = 0;
6338         const char                      *errstr;
6339         xcb_atom_t                      apid;
6340         xcb_get_property_cookie_t       pc;
6341         xcb_get_property_reply_t        *pr;
6342
6343         apid = get_atom_from_string("_NET_WM_PID");
6344         if (apid == XCB_ATOM_NONE)
6345                 goto tryharder;
6346
6347         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6348         pr = xcb_get_property_reply(conn, pc, NULL);
6349         if (!pr)
6350                 goto tryharder;
6351         if (pr->type != XCB_ATOM_CARDINAL)
6352                 goto tryharder;
6353
6354         ret = *(long *)xcb_get_property_value(pr);
6355         free(pr);
6356
6357         return (ret);
6358
6359 tryharder:
6360         apid = get_atom_from_string("_SWM_PID");
6361         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6362                 0, SWM_PROPLEN);
6363         pr = xcb_get_property_reply(conn, pc, NULL);
6364         if (!pr)
6365                 return (0);
6366         if (pr->type != XCB_ATOM_STRING)
6367                 free(pr);
6368                 return (0);
6369         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6370         free(pr);
6371
6372         return (ret);
6373 }
6374
6375 struct ws_win *
6376 manage_window(xcb_window_t id)
6377 {
6378         xcb_window_t            trans = XCB_WINDOW_NONE;
6379         struct workspace        *ws;
6380         struct ws_win           *win, *ww;
6381         int                     i, ws_idx, border_me = 0;
6382         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6383         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6384         size_t                  proplen;
6385         struct swm_region       *r;
6386         const char              *errstr;
6387         struct pid_e            *p;
6388         struct quirk            *qp;
6389         uint32_t                event_mask;
6390         xcb_atom_t              prot;
6391         xcb_get_property_reply_t        *gpr;
6392         xcb_icccm_get_wm_protocols_reply_t      wpr;
6393
6394         if ((win = find_window(id)) != NULL)
6395                 return (win);   /* already being managed */
6396
6397         /* see if we are on the unmanaged list */
6398         if ((win = find_unmanaged_window(id)) != NULL) {
6399                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6400                     "window: 0x%x\n", win->id);
6401                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6402                 if (win->transient)
6403                         set_child_transient(win, &trans);
6404
6405                 if (trans && (ww = find_window(trans)))
6406                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6407                 else if ((ww = win->ws->focus) &&
6408                     spawn_position == SWM_STACK_ABOVE)
6409                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6410                             win, entry);
6411                 else if (ww && spawn_position == SWM_STACK_BELOW)
6412                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6413                 else switch (spawn_position) {
6414                 default:
6415                 case SWM_STACK_TOP:
6416                 case SWM_STACK_ABOVE:
6417                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6418                         break;
6419                 case SWM_STACK_BOTTOM:
6420                 case SWM_STACK_BELOW:
6421                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6422                 }
6423
6424                 ewmh_update_actions(win);
6425                 return (win);
6426         }
6427
6428         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6429                 err(1, "manage_window: calloc: failed to allocate memory for "
6430                     "new window");
6431
6432         win->id = id;
6433         win->bordered = 0;
6434
6435         /* see if we need to override the workspace */
6436         p = find_pid(window_get_pid(id));
6437
6438         /* Get all the window data in one shot */
6439         ws_idx_atom = get_atom_from_string("_SWM_WS");
6440         if (ws_idx_atom) {
6441                 gpr = xcb_get_property_reply(conn,
6442                         xcb_get_property(conn, False, id, ws_idx_atom,
6443                                 XCB_ATOM_STRING, 0, SWM_PROPLEN),
6444                         NULL);
6445                 if (gpr) {
6446                         proplen = xcb_get_property_value_length(gpr);
6447                         if (proplen > 0) {
6448                                 prop = malloc(proplen + 1);
6449                                 if (prop) {
6450                                         memcpy(prop,
6451                                             xcb_get_property_value(gpr),
6452                                             proplen);
6453                                         prop[proplen] = '\0';
6454                                 }
6455                         }
6456                         free(gpr);
6457                 }
6458         }
6459         win->wa = xcb_get_geometry_reply(conn,
6460                 xcb_get_geometry(conn, id),
6461                 NULL);
6462         xcb_icccm_get_wm_normal_hints_reply(conn,
6463                 xcb_icccm_get_wm_normal_hints(conn, id),
6464                 &win->sh, NULL);
6465         xcb_icccm_get_wm_hints_reply(conn,
6466                 xcb_icccm_get_wm_hints(conn, id),
6467                 &win->hints, NULL);
6468         xcb_icccm_get_wm_transient_for_reply(conn,
6469                 xcb_icccm_get_wm_transient_for(conn, id),
6470                 &trans, NULL);
6471         if (trans) {
6472                 win->transient = trans;
6473                 set_child_transient(win, &trans);
6474                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6475                     "transient: 0x%x\n", win->id, win->transient);
6476         }
6477
6478         prot = get_atom_from_string("WM_PROTOCOLS");
6479
6480         /* get supported protocols */
6481         if (xcb_icccm_get_wm_protocols_reply(conn,
6482                         xcb_icccm_get_wm_protocols(conn, id, prot),
6483                         &wpr, NULL)) {
6484                 for (i = 0; i < wpr.atoms_len; i++) {
6485                         if (wpr.atoms[i] == takefocus)
6486                                 win->take_focus = 1;
6487                         if (wpr.atoms[i] == adelete)
6488                                 win->can_delete = 1;
6489                 }
6490                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6491         }
6492
6493         win->iconic = get_iconic(win);
6494
6495         /*
6496          * Figure out where to put the window. If it was previously assigned to
6497          * a workspace (either by spawn() or manually moving), and isn't
6498          * transient, * put it in the same workspace
6499          */
6500         r = root_to_region(win->wa->root);
6501         if (p) {
6502                 ws = &r->s->ws[p->ws];
6503                 TAILQ_REMOVE(&pidlist, p, entry);
6504                 free(p);
6505                 p = NULL;
6506         } else if (prop && win->transient == 0) {
6507                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6508                 ws_idx = strtonum(prop, 0, workspace_limit - 1,
6509                     &errstr);
6510                 if (errstr) {
6511                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6512                             errstr, prop);
6513                 }
6514                 ws = &r->s->ws[ws_idx];
6515         } else {
6516                 ws = r->ws;
6517                 /* this should launch transients in the same ws as parent */
6518                 if (id && trans)
6519                         if ((ww = find_window(trans)) != NULL)
6520                                 if (ws->r) {
6521                                         ws = ww->ws;
6522                                         if (ww->ws->r)
6523                                                 r = ww->ws->r;
6524                                         else
6525                                                 warnx("manage_window: fix this "
6526                                                     "bug mcbride");
6527                                         border_me = 1;
6528                                 }
6529         }
6530
6531         /* set up the window layout */
6532         win->id = id;
6533         win->ws = ws;
6534         win->s = r->s;  /* this never changes */
6535         if (trans && (ww = find_window(trans)))
6536                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6537         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6538                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6539                     entry);
6540         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6541                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6542         else switch (spawn_position) {
6543         default:
6544         case SWM_STACK_TOP:
6545         case SWM_STACK_ABOVE:
6546                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6547                 break;
6548         case SWM_STACK_BOTTOM:
6549         case SWM_STACK_BELOW:
6550                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6551         }
6552
6553         /* ignore window border if there is one. */
6554         WIDTH(win) = win->wa->width;
6555         HEIGHT(win) = win->wa->height;
6556         X(win) = win->wa->x + win->wa->border_width;
6557         Y(win) = win->wa->y + win->wa->border_width;
6558         win->bordered = 0;
6559         win->g_floatvalid = 0;
6560         win->floatmaxed = 0;
6561         win->ewmh_flags = 0;
6562
6563         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6564             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6565             HEIGHT(win), ws->idx);
6566
6567         constrain_window(win, r, 0);
6568
6569         /* Set window properties so we can remember this after reincarnation */
6570         if (ws_idx_atom && prop == NULL &&
6571             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6572                 SWM_PROPLEN) {
6573                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6574                     ws_idx_str);
6575                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6576                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6577                         ws_idx_str);
6578         }
6579         if (prop)
6580                 free(prop);
6581
6582         ewmh_autoquirk(win);
6583
6584         if (xcb_icccm_get_wm_class_reply(conn,
6585                         xcb_icccm_get_wm_class(conn, win->id),
6586                         &win->ch, NULL)) {
6587                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6588                     win->ch.class_name, win->ch.instance_name);
6589
6590                 /* java is retarded so treat it special */
6591                 if (strstr(win->ch.instance_name, "sun-awt")) {
6592                         win->java = 1;
6593                         border_me = 1;
6594                 }
6595
6596                 TAILQ_FOREACH(qp, &quirks, entry) {
6597                         if (!strcmp(win->ch.class_name, qp->class) &&
6598                             !strcmp(win->ch.instance_name, qp->name)) {
6599                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6600                                     "class: %s, name: %s\n", win->ch.class_name,
6601                                     win->ch.instance_name);
6602                                 if (qp->quirk & SWM_Q_FLOAT) {
6603                                         win->floating = 1;
6604                                         border_me = 1;
6605                                 }
6606                                 win->quirks = qp->quirk;
6607                         }
6608                 }
6609         }
6610
6611         /* alter window position if quirky */
6612         if (win->quirks & SWM_Q_ANYWHERE) {
6613                 win->manual = 1; /* don't center the quirky windows */
6614                 if (bar_enabled && Y(win) < bar_height)
6615                         Y(win) = bar_height;
6616                 if (WIDTH(win) + X(win) > WIDTH(r))
6617                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6618                 border_me = 1;
6619         }
6620
6621         /* Reset font sizes (the bruteforce way; no default keybinding). */
6622         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6623                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6624                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6625                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6626                         fake_keypress(win, XK_KP_Add, ShiftMask);
6627         }
6628
6629         ewmh_get_win_state(win);
6630         ewmh_update_actions(win);
6631         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6632
6633         /* border me */
6634         if (border_me) {
6635                 win->bordered = 1;
6636                 X(win) -= border_width;
6637                 Y(win) -= border_width;
6638                 update_window(win);
6639         }
6640
6641         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6642                         XCB_EVENT_MASK_PROPERTY_CHANGE |
6643                         XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6644
6645         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6646
6647         /* floaters need to be mapped if they are in the current workspace */
6648         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6649                 map_window_raised(win->id);
6650
6651         return (win);
6652 }
6653
6654 void
6655 free_window(struct ws_win *win)
6656 {
6657         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6658
6659         if (win == NULL)
6660                 return;
6661
6662         /* needed for restart wm */
6663         set_win_state(win, XCB_ICCCM_WM_STATE_WITHDRAWN);
6664
6665         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6666
6667         if (win->wa)
6668                 free(win->wa);
6669
6670         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6671
6672         kill_refs(win);
6673
6674         /* paint memory */
6675         memset(win, 0xff, sizeof *win); /* XXX kill later */
6676
6677         free(win);
6678 }
6679
6680 void
6681 unmanage_window(struct ws_win *win)
6682 {
6683         struct ws_win           *parent;
6684         xcb_screen_t            *screen;
6685
6686         if (win == NULL)
6687                 return;
6688
6689         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6690
6691         if (win->transient) {
6692                 parent = find_window(win->transient);
6693                 if (parent)
6694                         parent->child_trans = NULL;
6695         }
6696
6697         /* focus on root just in case */
6698         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6699         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6700                 screen->root, XCB_CURRENT_TIME);
6701
6702         focus_prev(win);
6703
6704         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6705         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6706 }
6707
6708 void
6709 focus_magic(struct ws_win *win)
6710 {
6711         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6712
6713         if (win == NULL) {
6714                 /* if there are no windows clear the status-bar */
6715                 bar_update();
6716                 return;
6717         }
6718
6719         if (win->child_trans) {
6720                 /* win = parent & has a transient so focus on that */
6721                 if (win->java) {
6722                         focus_win(win->child_trans);
6723                         if (win->child_trans->take_focus)
6724                                 client_msg(win, takefocus);
6725                 } else {
6726                         /* make sure transient hasn't disappeared */
6727                         if (validate_win(win->child_trans) == 0) {
6728                                 focus_win(win->child_trans);
6729                                 if (win->child_trans->take_focus)
6730                                         client_msg(win->child_trans, takefocus);
6731                         } else {
6732                                 win->child_trans = NULL;
6733                                 focus_win(win);
6734                                 if (win->take_focus)
6735                                         client_msg(win, takefocus);
6736                         }
6737                 }
6738         } else {
6739                 /* regular focus */
6740                 focus_win(win);
6741                 if (win->take_focus)
6742                         client_msg(win, takefocus);
6743         }
6744 }
6745
6746 void
6747 expose(xcb_expose_event_t *e)
6748 {
6749         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6750 }
6751
6752 void
6753 keypress(xcb_key_press_event_t *e)
6754 {
6755         KeySym                  keysym;
6756         struct key              *kp;
6757         struct swm_region       *r;
6758
6759         keysym = XkbKeycodeToKeysym(display, (KeyCode)e->detail, 0, 0);
6760
6761         DNPRINTF(SWM_D_EVENT, "keypress: %u\n", e->detail);
6762
6763         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6764                 return;
6765         if (keyfuncs[kp->funcid].func == NULL)
6766                 return;
6767
6768         r = root_to_region(e->root);
6769         if (kp->funcid == kf_spawn_custom)
6770                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6771         else
6772                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6773 }
6774
6775 void
6776 buttonpress(xcb_button_press_event_t *e)
6777 {
6778         struct ws_win           *win;
6779         int                     i, action;
6780
6781         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x\n", e->event);
6782
6783         if ((win = find_window(e->event)) == NULL)
6784                 return;
6785
6786         focus_magic(win);
6787         action = client_click;
6788
6789         for (i = 0; i < LENGTH(buttons); i++)
6790                 if (action == buttons[i].action && buttons[i].func &&
6791                     buttons[i].button == e->detail &&
6792                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6793                         buttons[i].func(win, &buttons[i].args);
6794 }
6795
6796 void
6797 configurerequest(xcb_configure_request_event_t *e)
6798 {
6799         struct ws_win           *win;
6800         int                     new = 0, i = 0;
6801         uint16_t                mask = 0;
6802         uint32_t                wc[7] = {0};
6803
6804         if ((win = find_window(e->window)) == NULL)
6805                 if ((win = find_unmanaged_window(e->window)) == NULL)
6806                         new = 1;
6807
6808         if (new) {
6809                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6810                         mask |= XCB_CONFIG_WINDOW_X;
6811                         wc[i++] = e->x;
6812                 }
6813                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6814                         mask |= XCB_CONFIG_WINDOW_Y;
6815                         wc[i++] = e->y;
6816                 }
6817                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6818                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6819                         wc[i++] = e->width;
6820                 }
6821                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6822                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6823                         wc[i++] = e->height;
6824                 }
6825                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6826                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6827                         wc[i++] = e->border_width;
6828                 }
6829                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6830                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6831                         wc[i++] = e->sibling;
6832                 }
6833                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6834                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6835                         wc[i++] = e->stack_mode;
6836                 }
6837
6838                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6839                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", e->window,
6840                     YESNO(new), wc[0], wc[1], wc[2], wc[3]);
6841
6842                 xcb_configure_window(conn, e->window, mask, wc);
6843         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6844             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6845                 win->g_float.x = e->x - X(win->ws->r);
6846                 win->g_float.y = e->y - Y(win->ws->r);
6847                 win->g_float.w = e->width;
6848                 win->g_float.h = e->height;
6849                 win->g_floatvalid = 1;
6850
6851                 if (win->floating) {
6852                         win->g = win->g_float;
6853                         win->g.x += X(win->ws->r);
6854                         win->g.y += Y(win->ws->r);
6855                         update_window(win);
6856                 } else {
6857                         config_win(win, e);
6858                 }
6859         } else {
6860                 config_win(win, e);
6861         }
6862 }
6863
6864 void
6865 configurenotify(xcb_configure_notify_event_t *e)
6866 {
6867         struct ws_win           *win;
6868
6869         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
6870             e->window);
6871
6872         win = find_window(e->window);
6873         if (win) {
6874                 xcb_icccm_get_wm_normal_hints_reply(conn,
6875                         xcb_icccm_get_wm_normal_hints(conn, win->id),
6876                         &win->sh, NULL);
6877                 adjust_font(win);
6878                 if (font_adjusted)
6879                         stack();
6880         }
6881 }
6882
6883 void
6884 destroynotify(xcb_destroy_notify_event_t *e)
6885 {
6886         struct ws_win           *win;
6887
6888         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
6889
6890         if ((win = find_window(e->window)) == NULL) {
6891                 if ((win = find_unmanaged_window(e->window)) == NULL)
6892                         return;
6893                 free_window(win);
6894                 return;
6895         }
6896
6897         /* make sure we focus on something */
6898         win->floating = 0;
6899
6900         unmanage_window(win);
6901         stack();
6902         free_window(win);
6903 }
6904
6905 void
6906 enternotify(xcb_enter_notify_event_t *e)
6907 {
6908         struct ws_win           *win;
6909 #if 0
6910         struct ws_win           *w;
6911         Window                  focus_return;
6912         int                     revert_to_return;
6913 #endif
6914         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %d, detail: "
6915             "%d, root: 0x%x, subwindow: 0x%x, same_screen_focus: %s, "
6916             "state: %d\n", e->event, e->mode, e->detail, e->root,
6917             e->child, YESNO(e->same_screen_focus), e->state);
6918
6919         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
6920                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6921                     "cursor grab.\n");
6922                 return;
6923         }
6924
6925         switch (focus_mode) {
6926         case SWM_FOCUS_DEFAULT:
6927                 break;
6928         case SWM_FOCUS_FOLLOW:
6929                 break;
6930         case SWM_FOCUS_SYNERGY:
6931 #if 0
6932         /*
6933          * all these checks need to be in this order because the
6934          * XCheckTypedWindowEvent relies on weeding out the previous events
6935          *
6936          * making this code an option would enable a follow mouse for focus
6937          * feature
6938          */
6939
6940         /*
6941          * state is set when we are switching workspaces and focus is set when
6942          * the window or a subwindow already has focus (occurs during restart).
6943          *
6944          * Only honor the focus flag if last_focus_event is not FocusOut,
6945          * this allows spectrwm to continue to control focus when another
6946          * program is also playing with it.
6947          */
6948         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6949                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6950                 return;
6951         }
6952
6953         /*
6954          * happens when a window is created or destroyed and the border
6955          * crosses the mouse pointer and when switching ws
6956          *
6957          * we need the subwindow test to see if we came from root in order
6958          * to give focus to floaters
6959          */
6960         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6961             ev->subwindow == 0) {
6962                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6963                 return;
6964         }
6965
6966         /* this window already has focus */
6967         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6968                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6969                 return;
6970         }
6971
6972         /* this window is being deleted or moved to another ws */
6973         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6974             &cne) == True) {
6975                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6976                 XPutBackEvent(display, &cne);
6977                 return;
6978         }
6979
6980         if ((win = find_window(ev->window)) == NULL) {
6981                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6982                 return;
6983         }
6984
6985         /*
6986          * In fullstack kill all enters unless they come from a different ws
6987          * (i.e. another region) or focus has been grabbed externally.
6988          */
6989         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6990             last_focus_event != FocusOut) {
6991                 XGetInputFocus(display, &focus_return, &revert_to_return);
6992                 if ((w = find_window(focus_return)) == NULL ||
6993                     w->ws == win->ws) {
6994                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6995                         return;
6996                 }
6997         }
6998 #endif
6999                 break;
7000         }
7001
7002         if ((win = find_window(e->event)) == NULL) {
7003                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7004                 return;
7005         }
7006
7007         focus_magic(win);
7008 }
7009
7010 /* lets us use one switch statement for arbitrary mode/detail combinations */
7011 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7012
7013 void
7014 mapnotify(xcb_map_notify_event_t *e)
7015 {
7016         struct ws_win           *win;
7017
7018         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
7019
7020         win = manage_window(e->window);
7021         if (win)
7022                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7023
7024         /*
7025          * focus_win can only set input focus on a mapped window.
7026          * make sure the window really has focus since it is just being mapped.
7027          */
7028         if (win->ws->focus == win)
7029                 focus_win(win);
7030 }
7031
7032 void
7033 mappingnotify(xcb_mapping_notify_event_t *e)
7034 {
7035         xcb_refresh_keyboard_mapping(syms, e);
7036
7037         if (e->request == XCB_MAPPING_KEYBOARD)
7038                 grabkeys();
7039 }
7040
7041 void
7042 maprequest(xcb_map_request_event_t *e)
7043 {
7044         struct ws_win           *win;
7045         struct swm_region       *r;
7046         xcb_get_window_attributes_reply_t *war;
7047
7048         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
7049             e->window);
7050
7051         war = xcb_get_window_attributes_reply(conn,
7052                 xcb_get_window_attributes(conn, e->window),
7053                 NULL);
7054         if (!war)
7055                 return;
7056         if (war->override_redirect) {
7057                 free(war);
7058                 return;
7059         }
7060         free(war);
7061
7062         win = manage_window(e->window);
7063         if (win == NULL) {
7064                 return; /* can't happen */
7065         }
7066
7067         stack();
7068
7069         /* make new win focused */
7070         r = root_to_region(win->wa->root);
7071         if (win->ws == r->ws)
7072                 focus_magic(win);
7073 }
7074
7075 void
7076 propertynotify(xcb_property_notify_event_t *e)
7077 {
7078         struct ws_win           *win;
7079 #ifdef SWM_DEBUG
7080         char                            *name;
7081         size_t                          len;
7082         xcb_get_atom_name_reply_t       *r;
7083
7084         r = xcb_get_atom_name_reply(conn,
7085                 xcb_get_atom_name(conn, e->atom),
7086                 NULL);
7087         if (r) {
7088                 len = xcb_get_atom_name_name_length(r);
7089                 if (len > 0) {
7090                         name = malloc(len + 1);
7091                         if (name) {
7092                                 memcpy(name, xcb_get_atom_name_name(r), len);
7093                                 name[len] = '\0';
7094
7095                                 DNPRINTF(SWM_D_EVENT,
7096                                         "propertynotify: window: 0x%x, "
7097                                         "atom: %s\n",
7098                                         e->window, name);
7099                                 free(name);
7100                         }
7101                 }
7102                 free(r);
7103         }
7104 #endif
7105
7106         win = find_window(e->window);
7107         if (win == NULL)
7108                 return;
7109
7110         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7111                 update_iconic(win, 0);
7112                 map_window_raised(win->id);
7113                 stack();
7114                 focus_win(win);
7115                 return;
7116         }
7117
7118         switch (e->atom) {
7119 #if 0
7120         case XCB_ATOM_WM_NORMAL_HINTS:
7121                 xcb_icccm_get_wm_normal_hints(conn,
7122                         xcb_iccom_get_wm_normal_hints(conn, win->id),
7123                         &win->sh, NULL);
7124                 warnx("normal hints: flag 0x%x", win->sh.flags);
7125                 if (win->sh.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
7126                         WIDTH(win) = win->sh.min_width;
7127                         HEIGHT(win) = win->sh.min_height;
7128                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7129                 }
7130                 XMoveResizeWindow(display, win->id,
7131                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7132 #endif
7133         case XCB_ATOM_WM_CLASS:
7134         case XCB_ATOM_WM_NAME:
7135                 bar_update();
7136                 break;
7137         default:
7138                 break;
7139         }
7140 }
7141
7142 void
7143 unmapnotify(xcb_unmap_notify_event_t *e)
7144 {
7145         struct ws_win           *win;
7146
7147         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7148
7149         /* determine if we need to help unmanage this window */
7150         win = find_window(e->window);
7151         if (win == NULL)
7152                 return;
7153
7154         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7155                 unmanage_window(win);
7156                 stack();
7157
7158                 /* resend unmap because we ated it */
7159                 xcb_unmap_window(conn, e->window);
7160         }
7161 }
7162
7163 void
7164 visibilitynotify(xcb_visibility_notify_event_t *e)
7165 {
7166         int                     i, num_screens;
7167         struct swm_region       *r;
7168
7169         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7170             e->window);
7171
7172         if (e->state == XCB_VISIBILITY_UNOBSCURED) {
7173                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7174                 for (i = 0; i < num_screens; i++)
7175                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7176                                 if (e->window == WINID(r->bar))
7177                                         bar_update();
7178         }
7179 }
7180
7181 void
7182 clientmessage(xcb_client_message_event_t *e)
7183 {
7184         struct ws_win *win;
7185
7186         win = find_window(e->window);
7187         if (win == NULL)
7188                 return;
7189         }
7190
7191         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, type: %u\n",
7192             e->window, e->response_type);
7193
7194         if (e->response_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7195                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7196                 focus_win(win);
7197         }
7198         if (e->response_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7199                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7200                 if (win->can_delete)
7201                         client_msg(win, adelete);
7202                 else
7203                         xcb_kill_client(conn, win->id);
7204         }
7205         if (e->response_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7206                 DNPRINTF(SWM_D_EVENT,
7207                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7208                 if (win->floating) {
7209                         if (e->data.data32[0] & (1<<8)) /* x */
7210                                 X(win) = e->data.data32[1];
7211                         if (e->data.data32[0] & (1<<9)) /* y */
7212                                 Y(win) = e->data.data32[2];
7213                         if (e->data.data32[0] & (1<<10)) /* width */
7214                                 WIDTH(win) = e->data.data32[3];
7215                         if (e->data.data32[0] & (1<<11)) /* height */
7216                                 HEIGHT(win) = e->data.data32[4];
7217
7218                         update_window(win);
7219                 }
7220                 else {
7221                         /* TODO: Change stack sizes */
7222                         /* notify no change was made. */
7223                         config_win(win, NULL);
7224                 }
7225         }
7226         if (e->response_type == ewmh[_NET_WM_STATE].atom) {
7227                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7228                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7229                 if (e->data.data32[2])
7230                         ewmh_update_win_state(win, e->data.data32[2],
7231                             e->data.data32[0]);
7232
7233                 stack();
7234         }
7235 }
7236
7237 int
7238 xerror_start(Display *d, XErrorEvent *ee)
7239 {
7240         other_wm = 1;
7241         return (-1);
7242 }
7243
7244 int
7245 xerror(Display *d, XErrorEvent *ee)
7246 {
7247         /* warnx("error: %p %p", display, ee); */
7248         return (-1);
7249 }
7250
7251 int
7252 active_wm(void)
7253 {
7254         other_wm = 0;
7255         xerrorxlib = XSetErrorHandler(xerror_start);
7256
7257         /* this causes an error if some other window manager is running */
7258         XSelectInput(display, DefaultRootWindow(display),
7259             SubstructureRedirectMask);
7260         do_sync();
7261         if (other_wm)
7262                 return (1);
7263
7264         XSetErrorHandler(xerror);
7265         do_sync();
7266         return (0);
7267 }
7268
7269 void
7270 new_region(struct swm_screen *s, int x, int y, int w, int h)
7271 {
7272         struct swm_region       *r, *n;
7273         struct workspace        *ws = NULL;
7274         int                     i;
7275
7276         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7277              s->idx, w, h, x, y);
7278
7279         /* remove any conflicting regions */
7280         n = TAILQ_FIRST(&s->rl);
7281         while (n) {
7282                 r = n;
7283                 n = TAILQ_NEXT(r, entry);
7284                 if (X(r) < (x + w) &&
7285                     (X(r) + WIDTH(r)) > x &&
7286                     Y(r) < (y + h) &&
7287                     (Y(r) + HEIGHT(r)) > y) {
7288                         if (r->ws->r != NULL)
7289                                 r->ws->old_r = r->ws->r;
7290                         r->ws->r = NULL;
7291                         bar_cleanup(r);
7292                         TAILQ_REMOVE(&s->rl, r, entry);
7293                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7294                 }
7295         }
7296
7297         /* search old regions for one to reuse */
7298
7299         /* size + location match */
7300         TAILQ_FOREACH(r, &s->orl, entry)
7301                 if (X(r) == x && Y(r) == y &&
7302                     HEIGHT(r) == h && WIDTH(r) == w)
7303                         break;
7304
7305         /* size match */
7306         TAILQ_FOREACH(r, &s->orl, entry)
7307                 if (HEIGHT(r) == h && WIDTH(r) == w)
7308                         break;
7309
7310         if (r != NULL) {
7311                 TAILQ_REMOVE(&s->orl, r, entry);
7312                 /* try to use old region's workspace */
7313                 if (r->ws->r == NULL)
7314                         ws = r->ws;
7315         } else
7316                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7317                         err(1, "new_region: calloc: failed to allocate memory "
7318                             "for screen");
7319
7320         /* if we don't have a workspace already, find one */
7321         if (ws == NULL) {
7322                 for (i = 0; i < workspace_limit; i++)
7323                         if (s->ws[i].r == NULL) {
7324                                 ws = &s->ws[i];
7325                                 break;
7326                         }
7327         }
7328
7329         if (ws == NULL)
7330                 errx(1, "new_region: no free workspaces");
7331
7332         X(r) = x;
7333         Y(r) = y;
7334         WIDTH(r) = w;
7335         HEIGHT(r) = h;
7336         r->s = s;
7337         r->ws = ws;
7338         r->ws_prior = NULL;
7339         ws->r = r;
7340         outputs++;
7341         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7342 }
7343
7344 void
7345 scan_xrandr(int i)
7346 {
7347 #ifdef SWM_XRR_HAS_CRTC
7348         int                                             c;
7349         int                                             ncrtc = 0;
7350 #endif /* SWM_XRR_HAS_CRTC */
7351         struct swm_region                               *r;
7352         int                                             num_screens;
7353         xcb_randr_get_screen_resources_current_cookie_t src;
7354         xcb_randr_get_screen_resources_current_reply_t  *srr;
7355         xcb_randr_get_crtc_info_cookie_t                cic;
7356         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7357         xcb_randr_crtc_t                                *crtc;
7358         xcb_screen_t                                    *screen = get_screen(i);
7359
7360         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7361         if (i >= num_screens)
7362                 errx(1, "scan_xrandr: invalid screen");
7363
7364         /* remove any old regions */
7365         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7366                 r->ws->old_r = r->ws->r = NULL;
7367                 bar_cleanup(r);
7368                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7369                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7370         }
7371         outputs = 0;
7372
7373         /* map virtual screens onto physical screens */
7374 #ifdef SWM_XRR_HAS_CRTC
7375         if (xrandr_support) {
7376                 src = xcb_randr_get_screen_resources_current(conn,
7377                         screens[i].root);
7378                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7379                         NULL);
7380                 if (srr == NULL) {
7381                         new_region(&screens[i], 0, 0,
7382                             screen->width_in_pixels,
7383                             screen->height_in_pixels);
7384                         return;
7385                 } else
7386                         ncrtc = srr->num_crtcs;
7387                 for (c = 0; c < ncrtc; c++) {
7388                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7389                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7390                                 XCB_CURRENT_TIME);
7391                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7392                         if (cir == NULL)
7393                                 continue;
7394                         if (cir->num_outputs == 0) {
7395                                 free(cir);
7396                                 continue;
7397                         }
7398
7399                         if (cir->mode == 0)
7400                                 new_region(&screens[i], 0, 0,
7401                                     screen->width_in_pixels,
7402                                     screen->height_in_pixels);
7403                         else
7404                                 new_region(&screens[i],
7405                                     cir->x, cir->y, cir->width, cir->height);
7406                         free(cir);
7407                 }
7408                 free(srr);
7409         } else
7410 #endif /* SWM_XRR_HAS_CRTC */
7411         {
7412                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7413                     screen->height_in_pixels);
7414         }
7415 }
7416
7417 void
7418 screenchange(xcb_randr_screen_change_notify_event_t *e)
7419 {
7420         struct swm_region               *r;
7421         int                             i, num_screens;
7422
7423         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7424
7425         if (e->rotation & (XCB_RANDR_ROTATION_ROTATE_90
7426                         | XCB_RANDR_ROTATION_ROTATE_270))
7427                 xcb_randr_set_screen_size(conn, e->root, e->height,
7428                         e->width, e->mheight, e->mwidth);
7429         else
7430                 xcb_randr_set_screen_size(conn, e->root, e->width,
7431                         e->height, e->mwidth, e->mheight);
7432
7433         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7434         /* silly event doesn't include the screen index */
7435         for (i = 0; i < num_screens; i++)
7436                 if (screens[i].root == e->root)
7437                         break;
7438         if (i >= num_screens)
7439                 errx(1, "screenchange: screen not found");
7440
7441         /* brute force for now, just re-enumerate the regions */
7442         scan_xrandr(i);
7443
7444         /* add bars to all regions */
7445         for (i = 0; i < num_screens; i++)
7446                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7447                         bar_setup(r);
7448         stack();
7449 }
7450
7451 void
7452 grab_windows(void)
7453 {
7454         xcb_window_t            *wins   = NULL;
7455         int                     no;
7456         int                     i, j, num_screens;
7457         uint16_t                state, manage;
7458
7459         xcb_query_tree_cookie_t                 qtc;
7460         xcb_query_tree_reply_t                  *qtr;
7461         xcb_get_window_attributes_cookie_t      c;
7462         xcb_get_window_attributes_reply_t       *r;
7463         xcb_get_property_cookie_t               pc;
7464
7465         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7466         for (i = 0; i < num_screens; i++) {
7467                 qtc = xcb_query_tree(conn, screens[i].root);
7468                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7469                 if (!qtr)
7470                         continue;
7471                 wins = xcb_query_tree_children(qtr);
7472                 no = xcb_query_tree_children_length(qtr);
7473                 /* attach windows to a region */
7474                 /* normal windows */
7475                 for (j = 0; j < no; j++) {
7476                         c = xcb_get_window_attributes(conn, wins[j]);
7477                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7478                         if (!r)
7479                                 continue;
7480                         if (r->override_redirect) {
7481                                 free(r);
7482                                 continue;
7483                         }
7484
7485                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7486                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7487                                         NULL)) {
7488                                 free(r);
7489                                 continue;
7490                         }
7491
7492                         state = getstate(wins[j]);
7493                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7494                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7495                                 manage_window(wins[j]);
7496                         free(r);
7497                 }
7498                 /* transient windows */
7499                 for (j = 0; j < no; j++) {
7500                         c = xcb_get_window_attributes(conn, wins[j]);
7501                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7502                         if (!r)
7503                                 continue;
7504                         if (r->override_redirect) {
7505                                 free(r);
7506                                 continue;
7507                         }
7508                         free(r);
7509
7510                         state = getstate(wins[j]);
7511                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7512                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7513                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7514                                         NULL) && manage)
7515                                 manage_window(wins[j]);
7516                 }
7517                 free(qtr);
7518         }
7519 }
7520
7521 void
7522 setup_screens(void)
7523 {
7524         int                     i, j, k, num_screens;
7525         struct workspace        *ws;
7526         uint32_t                gcv[1], wa[1];
7527         const xcb_query_extension_reply_t *qep;
7528         xcb_cursor_t                            cursor;
7529         xcb_font_t                              cursor_font;
7530         xcb_randr_query_version_cookie_t        c;
7531         xcb_randr_query_version_reply_t         *r;
7532
7533         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7534         if ((screens = calloc(num_screens,
7535              sizeof(struct swm_screen))) == NULL)
7536                 err(1, "setup_screens: calloc: failed to allocate memory for "
7537                     "screens");
7538
7539         /* initial Xrandr setup */
7540         xrandr_support = False;
7541         c = xcb_randr_query_version(conn, True, True);
7542         r = xcb_randr_query_version_reply(conn, c, NULL);
7543         if (r) {
7544                 if (r->major_version >= 1)
7545                         xrandr_support = True;
7546                 free(r);
7547         }
7548         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7549         xrandr_eventbase = qep->first_event;
7550
7551         cursor_font = xcb_generate_id(conn);
7552         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7553
7554         cursor = xcb_generate_id(conn);
7555         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7556                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7557         wa[0] = cursor;
7558
7559         /* map physical screens */
7560         for (i = 0; i < num_screens; i++) {
7561                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7562                 screens[i].idx = i;
7563                 TAILQ_INIT(&screens[i].rl);
7564                 TAILQ_INIT(&screens[i].orl);
7565                 screens[i].root = RootWindow(display, i);
7566
7567                 /* set default colors */
7568                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7569                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7570                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7571                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7572                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7573
7574                 /* create graphics context on screen */
7575                 screens[i].bar_gc = xcb_generate_id(conn);
7576                 gcv[0] = 0;
7577                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7578                         XCB_GC_GRAPHICS_EXPOSURES, gcv);
7579
7580                 /* set default cursor */
7581                 xcb_change_window_attributes(conn, screens[i].root,
7582                         XCB_CW_CURSOR, wa);
7583
7584                 /* init all workspaces */
7585                 /* XXX these should be dynamically allocated too */
7586                 for (j = 0; j < SWM_WS_MAX; j++) {
7587                         ws = &screens[i].ws[j];
7588                         ws->idx = j;
7589                         ws->name = NULL;
7590                         ws->focus = NULL;
7591                         ws->r = NULL;
7592                         ws->old_r = NULL;
7593                         TAILQ_INIT(&ws->winlist);
7594                         TAILQ_INIT(&ws->unmanagedlist);
7595
7596                         for (k = 0; layouts[k].l_stack != NULL; k++)
7597                                 if (layouts[k].l_config != NULL)
7598                                         layouts[k].l_config(ws,
7599                                             SWM_ARG_ID_STACKINIT);
7600                         ws->cur_layout = &layouts[0];
7601                         ws->cur_layout->l_string(ws);
7602                 }
7603
7604                 scan_xrandr(i);
7605
7606                 if (xrandr_support)
7607                         xcb_randr_select_input(conn, screens[i].root,
7608                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7609         }
7610         xcb_free_cursor(conn, cursor);
7611         xcb_close_font(conn, cursor_font);
7612 }
7613
7614 void
7615 setup_globals(void)
7616 {
7617         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7618                 err(1, "setup_globals: strdup: failed to allocate memory.");
7619
7620         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7621                 err(1, "setup_globals: strdup: failed to allocate memory.");
7622 }
7623
7624 void
7625 workaround(void)
7626 {
7627         int                     i, num_screens;
7628         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7629         xcb_window_t            root, win;
7630         uint32_t                wa[2];
7631
7632         /* work around sun jdk bugs, code from wmname */
7633         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7634         netwmname = get_atom_from_string("_NET_WM_NAME");
7635         utf8_string = get_atom_from_string("UTF8_STRING");
7636
7637         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7638         for (i = 0; i < num_screens; i++) {
7639                 root = screens[i].root;
7640
7641                 win = xcb_generate_id(conn);
7642                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7643                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7644                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7645                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7646                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7647
7648                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7649                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7650                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7651                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7652                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7653                     netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7654         }
7655 }
7656
7657 void
7658 event_handle(xcb_generic_event_t *evt)
7659 {
7660         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7661
7662         if (type == 0)
7663         {
7664                 /* XXX - handle error */
7665                 return;
7666         }
7667
7668         switch (type) {
7669 #define EVENT(type, callback) case type: callback((void *)evt); return
7670         EVENT(XCB_BUTTON_PRESS, buttonpress);
7671         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7672         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7673         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7674         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7675         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7676         EVENT(XCB_ENTER_NOTIFY, enternotify);
7677         EVENT(XCB_EXPOSE, expose);
7678         EVENT(XCB_KEY_PRESS, keypress);
7679         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7680         EVENT(XCB_MAP_NOTIFY, mapnotify);
7681         EVENT(XCB_MAP_REQUEST, maprequest);
7682         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7683         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7684         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7685         EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);
7686 #undef EVENT
7687         }
7688         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7689                 screenchange((void *)evt);
7690 }
7691
7692 int
7693 main(int argc, char *argv[])
7694 {
7695         struct swm_region       *r, *rr;
7696         struct ws_win           *winfocus = NULL;
7697         struct timeval          tv;
7698         union arg               a;
7699         char                    conf[PATH_MAX], *cfile = NULL;
7700         struct stat             sb;
7701         int                     xfd, i, num_screens;
7702         fd_set                  rd;
7703         struct sigaction        sact;
7704         xcb_generic_event_t     *evt;
7705
7706         start_argv = argv;
7707         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7708         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7709             !XSupportsLocale())
7710                 warnx("no locale support");
7711
7712         if (!X_HAVE_UTF8_STRING)
7713                 warnx("no UTF-8 support");
7714
7715         if (!(display = XOpenDisplay(0)))
7716                 errx(1, "can not open display");
7717
7718         /* handle some signals */
7719         bzero(&sact, sizeof(sact));
7720         sigemptyset(&sact.sa_mask);
7721         sact.sa_flags = 0;
7722         sact.sa_handler = sighdlr;
7723         sigaction(SIGINT, &sact, NULL);
7724         sigaction(SIGQUIT, &sact, NULL);
7725         sigaction(SIGTERM, &sact, NULL);
7726         sigaction(SIGHUP, &sact, NULL);
7727
7728         sact.sa_handler = sighdlr;
7729         sact.sa_flags = SA_NOCLDSTOP;
7730         sigaction(SIGCHLD, &sact, NULL);
7731
7732         conn = XGetXCBConnection(display);
7733         if (xcb_connection_has_error(conn))
7734                 errx(1, "can not get XCB connection");
7735
7736         xfd = xcb_get_file_descriptor(conn);
7737         syms = xcb_key_symbols_alloc(conn);
7738         if (!syms)
7739                 errx(1, "unable to allocate key symbols");
7740
7741         astate = get_atom_from_string("WM_STATE");
7742         aprot = get_atom_from_string("WM_PROTOCOLS");
7743         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7744         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7745         a_wmname = get_atom_from_string("WM_NAME");
7746         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7747         a_utf8_string = get_atom_from_string("UTF8_STRING");
7748         a_string = get_atom_from_string("STRING");
7749         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7750
7751         /* look for local and global conf file */
7752         pwd = getpwuid(getuid());
7753         if (pwd == NULL)
7754                 errx(1, "invalid user: %d", getuid());
7755
7756         xcb_grab_server(conn);
7757         xcb_aux_sync(conn);
7758
7759         /* flush all events */
7760         while ((evt = xcb_poll_for_event(conn))) {
7761                 uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7762                 if (type == 0)
7763                         event_handle(evt);
7764                 free(evt);
7765         }
7766
7767         if (active_wm())
7768                 errx(1, "other wm running");
7769
7770         xcb_aux_sync(conn);
7771
7772         setup_globals();
7773         setup_screens();
7774         setup_keys();
7775         setup_quirks();
7776         setup_spawn();
7777
7778         /* load config */
7779         for (i = 0; ; i++) {
7780                 conf[0] = '\0';
7781                 switch (i) {
7782                 case 0:
7783                         /* ~ */
7784                         snprintf(conf, sizeof conf, "%s/.%s",
7785                             pwd->pw_dir, SWM_CONF_FILE);
7786                         break;
7787                 case 1:
7788                         /* global */
7789                         snprintf(conf, sizeof conf, "/etc/%s",
7790                             SWM_CONF_FILE);
7791                         break;
7792                 case 2:
7793                         /* ~ compat */
7794                         snprintf(conf, sizeof conf, "%s/.%s",
7795                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7796                         break;
7797                 case 3:
7798                         /* global compat */
7799                         snprintf(conf, sizeof conf, "/etc/%s",
7800                             SWM_CONF_FILE_OLD);
7801                         break;
7802                 default:
7803                         goto noconfig;
7804                 }
7805
7806                 if (strlen(conf) && stat(conf, &sb) != -1)
7807                         if (S_ISREG(sb.st_mode)) {
7808                                 cfile = conf;
7809                                 break;
7810                         }
7811         }
7812 noconfig:
7813
7814         /* load conf (if any) */
7815         if (cfile)
7816                 conf_load(cfile, SWM_CONF_DEFAULT);
7817
7818         setup_ewmh();
7819         /* set some values to work around bad programs */
7820         workaround();
7821         /* grab existing windows (before we build the bars) */
7822         grab_windows();
7823
7824         if (getenv("SWM_STARTED") == NULL)
7825                 setenv("SWM_STARTED", "YES", 1);
7826
7827         /* setup all bars */
7828         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7829         for (i = 0; i < num_screens; i++)
7830                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7831                         if (winfocus == NULL)
7832                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7833                         bar_setup(r);
7834                 }
7835
7836         //unfocus_all();
7837
7838         grabkeys();
7839         stack();
7840
7841         xcb_ungrab_server(conn);
7842         xcb_flush(conn);
7843
7844         while (running) {
7845                 while ((evt = xcb_poll_for_event(conn))) {
7846                         DNPRINTF(SWM_D_EVENT, "XCB Event: %s\n",
7847                             geteventname(evt));
7848                         if (running == 0)
7849                                 goto done;
7850                         event_handle(evt);
7851                         free(evt);
7852                 }
7853
7854                 /* if we are being restarted go focus on first window */
7855                 if (winfocus) {
7856                         rr = winfocus->ws->r;
7857                         if (rr == NULL) {
7858                                 /* not a visible window */
7859                                 winfocus = NULL;
7860                                 continue;
7861                         }
7862                         /* move pointer to first screen if multi screen */
7863                         if (num_screens > 1 || outputs > 1)
7864                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7865                                         rr->s[0].root, 0, 0, 0, 0, X(rr),
7866                                         Y(rr) + (bar_enabled ? bar_height : 0));
7867
7868                         a.id = SWM_ARG_ID_FOCUSCUR;
7869                         focus(rr, &a);
7870                         winfocus = NULL;
7871                         continue;
7872                 }
7873
7874                 FD_ZERO(&rd);
7875                 FD_SET(xfd, &rd);
7876                 tv.tv_sec = 1;
7877                 tv.tv_usec = 0;
7878                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7879                         if (errno != EINTR)
7880                                 DNPRINTF(SWM_D_MISC, "select failed");
7881                 if (restart_wm == 1)
7882                         restart(NULL, NULL);
7883                 if (search_resp == 1)
7884                         search_do_resp();
7885                 if (running == 0)
7886                         goto done;
7887                 if (bar_alarm) {
7888                         bar_alarm = 0;
7889                         bar_update();
7890                 }
7891         }
7892 done:
7893         teardown_ewmh();
7894         bar_extra_stop();
7895
7896         for (i = 0; i < num_screens; ++i)
7897                 if (screens[i].bar_gc != 0)
7898                         xcb_free_gc(conn, screens[i].bar_gc);
7899         XFreeFontSet(display, bar_fs);
7900
7901         xcb_key_symbols_free(syms);
7902         xcb_disconnect(conn);
7903
7904         return (0);
7905 }