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         xcb_flush(conn);
2094 }
2095
2096 /* synthetic response to a ConfigureRequest when not making a change */
2097 void
2098 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2099 {
2100         xcb_configure_notify_event_t ce;
2101
2102         if (win == NULL)
2103                 return;
2104
2105         /* send notification of unchanged state. */
2106         bzero(&ce, sizeof(ce));
2107         ce.response_type = XCB_CONFIGURE_NOTIFY;
2108         ce.x = X(win);
2109         ce.y = Y(win);
2110         ce.width = WIDTH(win);
2111         ce.height = HEIGHT(win);
2112         ce.override_redirect = False;
2113
2114         if (ev == NULL) {
2115                 /* EWMH */
2116                 ce.event = win->id;
2117                 ce.window = win->id;
2118                 ce.border_width = BORDER(win);
2119                 ce.above_sibling = XCB_WINDOW_NONE;
2120         } else {
2121                 /* normal */
2122                 ce.event = ev->window;
2123                 ce.window = ev->window;
2124
2125                 /* make response appear more WM_SIZE_HINTS-compliant */
2126                 if (win->sh.flags)
2127                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2128                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2129                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2130                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2131                             SH_INC_W(win), SH_INC_H(win));
2132
2133                 /* min size */
2134                 if (SH_MIN(win)) {
2135                         /* the hint may be set... to 0! */
2136                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2137                                 ce.width = SH_MIN_W(win);
2138                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2139                                 ce.height = SH_MIN_H(win);
2140                 }
2141
2142                 /* max size */
2143                 if (SH_MAX(win)) {
2144                         /* may also be advertized as 0 */
2145                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2146                                 ce.width = SH_MAX_W(win);
2147                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2148                                 ce.height = SH_MAX_H(win);
2149                 }
2150
2151                 /* resize increment. */
2152                 if (SH_INC(win)) {
2153                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2154                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2155                                     SH_INC_W(win);
2156                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2157                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2158                                     SH_INC_H(win);
2159                 }
2160
2161                 /* adjust x and y for requested border_width. */
2162                 ce.x += BORDER(win) - ev->border_width;
2163                 ce.y += BORDER(win) - ev->border_width;
2164                 ce.border_width = ev->border_width;
2165                 ce.above_sibling = ev->sibling;
2166         }
2167
2168         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2169             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2170             ce.y, ce.width, ce.height, ce.border_width);
2171
2172         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2173                 (char *)&ce);
2174         xcb_flush(conn);
2175 }
2176
2177 int
2178 count_win(struct workspace *ws, int count_transient)
2179 {
2180         struct ws_win           *win;
2181         int                     count = 0;
2182
2183         TAILQ_FOREACH(win, &ws->winlist, entry) {
2184                 if (count_transient == 0 && win->floating)
2185                         continue;
2186                 if (count_transient == 0 && win->transient)
2187                         continue;
2188                 if (win->iconic)
2189                         continue;
2190                 count++;
2191         }
2192         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2193
2194         return (count);
2195 }
2196
2197 void
2198 quit(struct swm_region *r, union arg *args)
2199 {
2200         DNPRINTF(SWM_D_MISC, "quit\n");
2201         running = 0;
2202 }
2203
2204 void
2205 unmap_window(struct ws_win *win)
2206 {
2207         if (win == NULL)
2208                 return;
2209
2210         /* don't unmap again */
2211         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2212                 return;
2213
2214         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2215
2216         xcb_unmap_window(conn, win->id);
2217         xcb_change_window_attributes(conn, win->id,
2218                 XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2219 }
2220
2221 void
2222 unmap_all(void)
2223 {
2224         struct ws_win           *win;
2225         int                     i, j, num_screens;
2226
2227         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2228         for (i = 0; i < num_screens; i++)
2229                 for (j = 0; j < workspace_limit; j++)
2230                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2231                                 unmap_window(win);
2232 }
2233
2234 void
2235 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2236 {
2237         xcb_key_press_event_t   event;
2238         xcb_keycode_t           *keycode;
2239
2240         if (win == NULL)
2241                 return;
2242
2243         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2244
2245         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2246                 win->id, *keycode);
2247
2248         event.event = win->id;
2249         event.root = win->s->root;
2250         event.child = XCB_WINDOW_NONE;
2251         event.time = XCB_CURRENT_TIME;
2252         event.event_x = X(win);
2253         event.event_y = Y(win);
2254         event.root_x = 1;
2255         event.root_y = 1;
2256         event.same_screen = True;
2257         event.detail = *keycode;
2258         event.state = modifiers;
2259
2260         event.response_type = XCB_KEY_PRESS;
2261         xcb_send_event(conn, True, win->id,
2262                  XCB_EVENT_MASK_KEY_PRESS, (char *)&event);
2263
2264         event.response_type = XCB_KEY_RELEASE;
2265         xcb_send_event(conn, True, win->id,
2266                 XCB_EVENT_MASK_KEY_RELEASE, (char *)&event);
2267         xcb_flush(conn);
2268 }
2269
2270 void
2271 restart(struct swm_region *r, union arg *args)
2272 {
2273         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2274
2275         /* disable alarm because the following code may not be interrupted */
2276         alarm(0);
2277         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2278                 err(1, "can't disable alarm");
2279
2280         bar_extra_stop();
2281         bar_extra = 1;
2282         unmap_all();
2283
2284         xcb_key_symbols_free(syms);
2285         xcb_flush(conn);
2286         xcb_disconnect(conn);
2287
2288         execvp(start_argv[0], start_argv);
2289         warn("execvp failed");
2290         quit(NULL, NULL);
2291 }
2292
2293 struct swm_region *
2294 root_to_region(xcb_window_t root)
2295 {
2296         struct swm_region       *r = NULL;
2297         int                     i, num_screens;
2298         xcb_query_pointer_reply_t       *qpr;
2299
2300         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2301
2302         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2303         for (i = 0; i < num_screens; i++)
2304                 if (screens[i].root == root)
2305                         break;
2306
2307         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2308                 screens[i].root), NULL);
2309
2310         if (qpr) {
2311                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2312                     qpr->root_x, qpr->root_y);
2313                 /* choose a region based on pointer location */
2314                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2315                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2316                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2317                                 break;
2318                 free(qpr);
2319         }
2320
2321         if (r == NULL)
2322                 r = TAILQ_FIRST(&screens[i].rl);
2323
2324         return (r);
2325 }
2326
2327 struct ws_win *
2328 find_unmanaged_window(xcb_window_t id)
2329 {
2330         struct ws_win           *win;
2331         int                     i, j, num_screens;
2332
2333         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2334         for (i = 0; i < num_screens; i++)
2335                 for (j = 0; j < workspace_limit; j++)
2336                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2337                             entry)
2338                                 if (id == win->id)
2339                                         return (win);
2340         return (NULL);
2341 }
2342
2343 struct ws_win *
2344 find_window(xcb_window_t id)
2345 {
2346         struct ws_win           *win;
2347         int                     i, j, num_screens;
2348         xcb_query_tree_cookie_t c;
2349         xcb_query_tree_reply_t  *r;
2350
2351         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2352         for (i = 0; i < num_screens; i++)
2353                 for (j = 0; j < workspace_limit; j++)
2354                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2355                                 if (id == win->id)
2356                                         return (win);
2357
2358         c = xcb_query_tree(conn, id);
2359         r = xcb_query_tree_reply(conn, c, NULL);
2360         if (!r)
2361                 return (NULL);
2362
2363         /* if we were looking for the parent return that window instead */
2364         if (r->parent == 0 || r->root == r->parent)
2365                 return (NULL);
2366
2367         /* look for parent */
2368         for (i = 0; i < num_screens; i++)
2369                 for (j = 0; j < workspace_limit; j++)
2370                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2371                                 if (r->parent == win->id) {
2372                                         free(r);
2373                                         return (win);
2374                                 }
2375
2376         free(r);
2377         return (NULL);
2378 }
2379
2380 void
2381 spawn(int ws_idx, union arg *args, int close_fd)
2382 {
2383         int                     fd;
2384         char                    *ret = NULL;
2385
2386         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2387
2388         if (display)
2389                 close(xcb_get_file_descriptor(conn));
2390
2391         setenv("LD_PRELOAD", SWM_LIB, 1);
2392
2393         if (asprintf(&ret, "%d", ws_idx) == -1) {
2394                 warn("spawn: asprintf SWM_WS");
2395                 _exit(1);
2396         }
2397         setenv("_SWM_WS", ret, 1);
2398         free(ret);
2399         ret = NULL;
2400
2401         if (asprintf(&ret, "%d", getpid()) == -1) {
2402                 warn("spawn: asprintf _SWM_PID");
2403                 _exit(1);
2404         }
2405         setenv("_SWM_PID", ret, 1);
2406         free(ret);
2407         ret = NULL;
2408
2409         if (setsid() == -1) {
2410                 warn("spawn: setsid");
2411                 _exit(1);
2412         }
2413
2414         if (close_fd) {
2415                 /*
2416                  * close stdin and stdout to prevent interaction between apps
2417                  * and the baraction script
2418                  * leave stderr open to record errors
2419                 */
2420                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2421                         warn("spawn: open");
2422                         _exit(1);
2423                 }
2424                 dup2(fd, STDIN_FILENO);
2425                 dup2(fd, STDOUT_FILENO);
2426                 if (fd > 2)
2427                         close(fd);
2428         }
2429
2430         execvp(args->argv[0], args->argv);
2431
2432         warn("spawn: execvp");
2433         _exit(1);
2434 }
2435
2436 void
2437 kill_refs(struct ws_win *win)
2438 {
2439         int                     i, x, num_screens;
2440         struct swm_region       *r;
2441         struct workspace        *ws;
2442
2443         if (win == NULL)
2444                 return;
2445
2446         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2447         for (i = 0; i < num_screens; i++)
2448                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2449                         for (x = 0; x < workspace_limit; x++) {
2450                                 ws = &r->s->ws[x];
2451                                 if (win == ws->focus)
2452                                         ws->focus = NULL;
2453                                 if (win == ws->focus_prev)
2454                                         ws->focus_prev = NULL;
2455                         }
2456 }
2457
2458 int
2459 validate_win(struct ws_win *testwin)
2460 {
2461         struct ws_win           *win;
2462         struct workspace        *ws;
2463         struct swm_region       *r;
2464         int                     i, x, num_screens;
2465
2466         if (testwin == NULL)
2467                 return (0);
2468
2469         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2470         for (i = 0; i < num_screens; i++)
2471                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2472                         for (x = 0; x < workspace_limit; x++) {
2473                                 ws = &r->s->ws[x];
2474                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2475                                         if (win == testwin)
2476                                                 return (0);
2477                         }
2478         return (1);
2479 }
2480
2481 int
2482 validate_ws(struct workspace *testws)
2483 {
2484         struct swm_region       *r;
2485         struct workspace        *ws;
2486         int                     i, x, num_screens;
2487
2488         /* validate all ws */
2489         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2490         for (i = 0; i < num_screens; i++)
2491                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2492                         for (x = 0; x < workspace_limit; x++) {
2493                                 ws = &r->s->ws[x];
2494                                 if (ws == testws)
2495                                         return (0);
2496                         }
2497         return (1);
2498 }
2499
2500 void
2501 unfocus_win(struct ws_win *win)
2502 {
2503         xcb_window_t            none = XCB_WINDOW_NONE;
2504
2505         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2506
2507         if (win == NULL)
2508                 return;
2509         if (win->ws == NULL)
2510                 return;
2511
2512         if (validate_ws(win->ws))
2513                 return; /* XXX this gets hit with thunderbird, needs fixing */
2514
2515         if (win->ws->r == NULL)
2516                 return;
2517
2518         if (validate_win(win)) {
2519                 kill_refs(win);
2520                 return;
2521         }
2522
2523         if (win->ws->focus == win) {
2524                 win->ws->focus = NULL;
2525                 win->ws->focus_prev = win;
2526         }
2527
2528         if (validate_win(win->ws->focus)) {
2529                 kill_refs(win->ws->focus);
2530                 win->ws->focus = NULL;
2531         }
2532         if (validate_win(win->ws->focus_prev)) {
2533                 kill_refs(win->ws->focus_prev);
2534                 win->ws->focus_prev = NULL;
2535         }
2536
2537         grabbuttons(win, 0);
2538         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2539                 &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2540         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2541                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2542                 &none);
2543 }
2544
2545 void
2546 unfocus_all(void)
2547 {
2548         struct ws_win           *win;
2549         int                     i, j, num_screens;
2550
2551         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2552
2553         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2554         for (i = 0; i < num_screens; i++)
2555                 for (j = 0; j < workspace_limit; j++)
2556                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2557                                 unfocus_win(win);
2558 }
2559
2560 void
2561 focus_win(struct ws_win *win)
2562 {
2563         struct ws_win           *cfw = NULL;
2564         xcb_get_input_focus_cookie_t    c;
2565         xcb_get_input_focus_reply_t     *r;
2566         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2567
2568         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2569
2570         if (win == NULL)
2571                 return;
2572         if (win->ws == NULL)
2573                 return;
2574
2575         if (validate_ws(win->ws))
2576                 return; /* XXX this gets hit with thunderbird, needs fixing */
2577
2578         if (validate_win(win)) {
2579                 kill_refs(win);
2580                 return;
2581         }
2582
2583         if (validate_win(win)) {
2584                 kill_refs(win);
2585                 return;
2586         }
2587
2588         c = xcb_get_input_focus(conn);
2589         r = xcb_get_input_focus_reply(conn, c, NULL);
2590         if (r) {
2591                 cur_focus = r->focus;
2592                 free(r);
2593         }
2594         if ((cfw = find_window(cur_focus)) != NULL)
2595                 unfocus_win(cfw);
2596         else {
2597                 /* use larger hammer since the window was killed somehow */
2598                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2599                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2600                                 xcb_change_window_attributes(conn, cfw->id,
2601                                         XCB_CW_BORDER_PIXEL,
2602                                         &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2603         }
2604
2605         win->ws->focus = win;
2606
2607         if (win->ws->r != NULL) {
2608                 if (win->java == 0)
2609                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2610                                 win->id, XCB_CURRENT_TIME);
2611                 grabbuttons(win, 1);
2612                 xcb_change_window_attributes(conn, win->id,
2613                         XCB_CW_BORDER_PIXEL,
2614                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2615                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2616                     win->ws->always_raise)
2617                         map_window_raised(win->id);
2618
2619                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2620                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2621                         &win->id);
2622         }
2623
2624         bar_update();
2625 }
2626
2627 void
2628 switchws(struct swm_region *r, union arg *args)
2629 {
2630         int                     wsid = args->id, unmap_old = 0;
2631         struct swm_region       *this_r, *other_r;
2632         struct ws_win           *win;
2633         struct workspace        *new_ws, *old_ws;
2634         union arg               a;
2635
2636         if (!(r && r->s))
2637                 return;
2638
2639         if (wsid >= workspace_limit)
2640                 return;
2641
2642         this_r = r;
2643         old_ws = this_r->ws;
2644         new_ws = &this_r->s->ws[wsid];
2645
2646         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2647             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2648
2649         if (new_ws == NULL || old_ws == NULL)
2650                 return;
2651         if (new_ws == old_ws)
2652                 return;
2653
2654         other_r = new_ws->r;
2655         if (other_r == NULL) {
2656                 /* the other workspace is hidden, hide this one */
2657                 old_ws->r = NULL;
2658                 unmap_old = 1;
2659         } else {
2660                 /* the other ws is visible in another region, exchange them */
2661                 other_r->ws_prior = new_ws;
2662                 other_r->ws = old_ws;
2663                 old_ws->r = other_r;
2664         }
2665         this_r->ws_prior = old_ws;
2666         this_r->ws = new_ws;
2667         new_ws->r = this_r;
2668
2669         /* this is needed so that we can click on a window after a restart */
2670         unfocus_all();
2671
2672         stack();
2673         a.id = SWM_ARG_ID_FOCUSCUR;
2674         focus(new_ws->r, &a);
2675
2676         /* unmap old windows */
2677         if (unmap_old)
2678                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2679                         unmap_window(win);
2680 }
2681
2682 void
2683 cyclews(struct swm_region *r, union arg *args)
2684 {
2685         union                   arg a;
2686         struct swm_screen       *s = r->s;
2687         int                     cycle_all = 0;
2688
2689         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2690             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2691
2692         a.id = r->ws->idx;
2693         do {
2694                 switch (args->id) {
2695                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2696                         cycle_all = 1;
2697                         /* FALLTHROUGH */
2698                 case SWM_ARG_ID_CYCLEWS_UP:
2699                         if (a.id < workspace_limit - 1)
2700                                 a.id++;
2701                         else
2702                                 a.id = 0;
2703                         break;
2704                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2705                         cycle_all = 1;
2706                         /* FALLTHROUGH */
2707                 case SWM_ARG_ID_CYCLEWS_DOWN:
2708                         if (a.id > 0)
2709                                 a.id--;
2710                         else
2711                                 a.id = workspace_limit - 1;
2712                         break;
2713                 default:
2714                         return;
2715                 };
2716
2717                 if (!cycle_all &&
2718                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2719                         continue;
2720                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2721                         continue;
2722
2723                 switchws(r, &a);
2724         } while (a.id != r->ws->idx);
2725 }
2726
2727 void
2728 priorws(struct swm_region *r, union arg *args)
2729 {
2730         union arg               a;
2731
2732         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2733             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2734
2735         if (r->ws_prior == NULL)
2736                 return;
2737
2738         a.id = r->ws_prior->idx;
2739         switchws(r, &a);
2740 }
2741
2742 void
2743 cyclescr(struct swm_region *r, union arg *args)
2744 {
2745         struct swm_region       *rr = NULL;
2746         union arg               a;
2747         int                     i, x, y, num_screens;
2748
2749         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2750         /* do nothing if we don't have more than one screen */
2751         if (!(num_screens > 1 || outputs > 1))
2752                 return;
2753
2754         i = r->s->idx;
2755         switch (args->id) {
2756         case SWM_ARG_ID_CYCLESC_UP:
2757                 rr = TAILQ_NEXT(r, entry);
2758                 if (rr == NULL)
2759                         rr = TAILQ_FIRST(&screens[i].rl);
2760                 break;
2761         case SWM_ARG_ID_CYCLESC_DOWN:
2762                 rr = TAILQ_PREV(r, swm_region_list, entry);
2763                 if (rr == NULL)
2764                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2765                 break;
2766         default:
2767                 return;
2768         };
2769         if (rr == NULL)
2770                 return;
2771
2772         /* move mouse to region */
2773         x = X(rr) + 1;
2774         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2775         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2776                 x, y);
2777
2778         a.id = SWM_ARG_ID_FOCUSCUR;
2779         focus(rr, &a);
2780
2781         if (rr->ws->focus) {
2782                 /* move to focus window */
2783                 x = X(rr->ws->focus) + 1;
2784                 y = Y(rr->ws->focus) + 1;
2785                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2786                         0, x, y);
2787         }
2788 }
2789
2790 void
2791 sort_windows(struct ws_win_list *wl)
2792 {
2793         struct ws_win           *win, *parent, *nxt;
2794
2795         if (wl == NULL)
2796                 return;
2797
2798         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2799                 nxt = TAILQ_NEXT(win, entry);
2800                 if (win->transient) {
2801                         parent = find_window(win->transient);
2802                         if (parent == NULL) {
2803                                 warnx("not possible bug");
2804                                 continue;
2805                         }
2806                         TAILQ_REMOVE(wl, win, entry);
2807                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2808                 }
2809         }
2810
2811 }
2812
2813 void
2814 swapwin(struct swm_region *r, union arg *args)
2815 {
2816         struct ws_win           *target, *source;
2817         struct ws_win           *cur_focus;
2818         struct ws_win_list      *wl;
2819
2820
2821         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2822             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2823
2824         cur_focus = r->ws->focus;
2825         if (cur_focus == NULL)
2826                 return;
2827
2828         source = cur_focus;
2829         wl = &source->ws->winlist;
2830
2831         switch (args->id) {
2832         case SWM_ARG_ID_SWAPPREV:
2833                 if (source->transient)
2834                         source = find_window(source->transient);
2835                 target = TAILQ_PREV(source, ws_win_list, entry);
2836                 if (target && target->transient)
2837                         target = find_window(target->transient);
2838                 TAILQ_REMOVE(wl, source, entry);
2839                 if (target == NULL)
2840                         TAILQ_INSERT_TAIL(wl, source, entry);
2841                 else
2842                         TAILQ_INSERT_BEFORE(target, source, entry);
2843                 break;
2844         case SWM_ARG_ID_SWAPNEXT:
2845                 target = TAILQ_NEXT(source, entry);
2846                 /* move the parent and let the sort handle the move */
2847                 if (source->transient)
2848                         source = find_window(source->transient);
2849                 TAILQ_REMOVE(wl, source, entry);
2850                 if (target == NULL)
2851                         TAILQ_INSERT_HEAD(wl, source, entry);
2852                 else
2853                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2854                 break;
2855         case SWM_ARG_ID_SWAPMAIN:
2856                 target = TAILQ_FIRST(wl);
2857                 if (target == source) {
2858                         if (source->ws->focus_prev != NULL &&
2859                             source->ws->focus_prev != target)
2860                                 source = source->ws->focus_prev;
2861                         else
2862                                 return;
2863                 }
2864                 if (target == NULL || source == NULL)
2865                         return;
2866                 source->ws->focus_prev = target;
2867                 TAILQ_REMOVE(wl, target, entry);
2868                 TAILQ_INSERT_BEFORE(source, target, entry);
2869                 TAILQ_REMOVE(wl, source, entry);
2870                 TAILQ_INSERT_HEAD(wl, source, entry);
2871                 break;
2872         case SWM_ARG_ID_MOVELAST:
2873                 TAILQ_REMOVE(wl, source, entry);
2874                 TAILQ_INSERT_TAIL(wl, source, entry);
2875                 break;
2876         default:
2877                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2878                 return;
2879         }
2880
2881         sort_windows(wl);
2882
2883         stack();
2884 }
2885
2886 void
2887 focus_prev(struct ws_win *win)
2888 {
2889         struct ws_win           *winfocus = NULL;
2890         struct ws_win           *cur_focus = NULL;
2891         struct ws_win_list      *wl = NULL;
2892         struct workspace        *ws = NULL;
2893
2894         if (!(win && win->ws))
2895                 return;
2896
2897         ws = win->ws;
2898         wl = &ws->winlist;
2899         cur_focus = ws->focus;
2900
2901         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2902             WINID(win), WINID(cur_focus));
2903
2904         /* pickle, just focus on whatever */
2905         if (cur_focus == NULL) {
2906                 /* use prev_focus if valid */
2907                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2908                     find_window(WINID(ws->focus_prev)))
2909                         winfocus = ws->focus_prev;
2910                 goto done;
2911         }
2912
2913         /* if transient focus on parent */
2914         if (cur_focus->transient) {
2915                 winfocus = find_window(cur_focus->transient);
2916                 goto done;
2917         }
2918
2919         /* if in max_stack try harder */
2920         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2921             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2922                 if (cur_focus != ws->focus_prev)
2923                         winfocus = ws->focus_prev;
2924                 else
2925                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2926                 if (winfocus)
2927                         goto done;
2928         }
2929
2930         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2931
2932         if (winfocus == NULL || winfocus == win) {
2933                 switch (focus_close) {
2934                 case SWM_STACK_BOTTOM:
2935                         winfocus = TAILQ_FIRST(wl);
2936                         break;
2937                 case SWM_STACK_TOP:
2938                         winfocus = TAILQ_LAST(wl, ws_win_list);
2939                         break;
2940                 case SWM_STACK_ABOVE:
2941                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2942                                 if (focus_close_wrap)
2943                                         winfocus = TAILQ_FIRST(wl);
2944                                 else
2945                                         winfocus = TAILQ_PREV(cur_focus,
2946                                             ws_win_list, entry);
2947                         }
2948                         break;
2949                 case SWM_STACK_BELOW:
2950                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2951                             entry)) == NULL) {
2952                                 if (focus_close_wrap)
2953                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2954                                 else
2955                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2956                         }
2957                         break;
2958                 }
2959         }
2960 done:
2961         if (winfocus == NULL) {
2962                 if (focus_default == SWM_STACK_TOP)
2963                         winfocus = TAILQ_LAST(wl, ws_win_list);
2964                 else
2965                         winfocus = TAILQ_FIRST(wl);
2966         }
2967
2968         kill_refs(win);
2969         focus_magic(winfocus);
2970 }
2971
2972 void
2973 focus(struct swm_region *r, union arg *args)
2974 {
2975         struct ws_win           *winfocus = NULL, *head;
2976         struct ws_win           *cur_focus = NULL;
2977         struct ws_win_list      *wl = NULL;
2978         struct workspace        *ws = NULL;
2979         int                     all_iconics;
2980
2981         if (!(r && r->ws))
2982                 return;
2983
2984         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2985
2986         /* treat FOCUS_CUR special */
2987         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2988                 if (r->ws->focus && r->ws->focus->iconic == 0)
2989                         winfocus = r->ws->focus;
2990                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2991                         winfocus = r->ws->focus_prev;
2992                 else
2993                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2994                                 if (winfocus->iconic == 0)
2995                                         break;
2996
2997                 focus_magic(winfocus);
2998                 return;
2999         }
3000
3001         if ((cur_focus = r->ws->focus) == NULL)
3002                 return;
3003         ws = r->ws;
3004         wl = &ws->winlist;
3005         if (TAILQ_EMPTY(wl))
3006                 return;
3007         /* make sure there is at least one uniconified window */
3008         all_iconics = 1;
3009         TAILQ_FOREACH(winfocus, wl, entry)
3010                 if (winfocus->iconic == 0) {
3011                         all_iconics = 0;
3012                         break;
3013                 }
3014         if (all_iconics)
3015                 return;
3016
3017         switch (args->id) {
3018         case SWM_ARG_ID_FOCUSPREV:
3019                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3020                 if (head == NULL)
3021                         head = TAILQ_LAST(wl, ws_win_list);
3022                 winfocus = head;
3023                 if (WINID(winfocus) == cur_focus->transient) {
3024                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3025                         if (head == NULL)
3026                                 head = TAILQ_LAST(wl, ws_win_list);
3027                         winfocus = head;
3028                 }
3029
3030                 /* skip iconics */
3031                 if (winfocus && winfocus->iconic) {
3032                         while (winfocus != cur_focus) {
3033                                 if (winfocus == NULL)
3034                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3035                                 if (winfocus->iconic == 0)
3036                                         break;
3037                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3038                                     entry);
3039                         }
3040                 }
3041                 break;
3042
3043         case SWM_ARG_ID_FOCUSNEXT:
3044                 head = TAILQ_NEXT(cur_focus, entry);
3045                 if (head == NULL)
3046                         head = TAILQ_FIRST(wl);
3047                 winfocus = head;
3048
3049                 /* skip iconics */
3050                 if (winfocus && winfocus->iconic) {
3051                         while (winfocus != cur_focus) {
3052                                 if (winfocus == NULL)
3053                                         winfocus = TAILQ_FIRST(wl);
3054                                 if (winfocus->iconic == 0)
3055                                         break;
3056                                 winfocus = TAILQ_NEXT(winfocus, entry);
3057                         }
3058                 }
3059                 break;
3060
3061         case SWM_ARG_ID_FOCUSMAIN:
3062                 winfocus = TAILQ_FIRST(wl);
3063                 if (winfocus == cur_focus)
3064                         winfocus = cur_focus->ws->focus_prev;
3065                 break;
3066
3067         default:
3068                 return;
3069         }
3070
3071         focus_magic(winfocus);
3072 }
3073
3074 void
3075 cycle_layout(struct swm_region *r, union arg *args)
3076 {
3077         struct workspace        *ws = r->ws;
3078         union arg               a;
3079
3080         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3081
3082         ws->cur_layout++;
3083         if (ws->cur_layout->l_stack == NULL)
3084                 ws->cur_layout = &layouts[0];
3085
3086         stack();
3087
3088         a.id = SWM_ARG_ID_FOCUSCUR;
3089
3090         focus(r, &a);
3091 }
3092
3093 void
3094 stack_config(struct swm_region *r, union arg *args)
3095 {
3096         struct workspace        *ws = r->ws;
3097
3098         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3099             args->id, ws->idx);
3100
3101         if (ws->cur_layout->l_config != NULL)
3102                 ws->cur_layout->l_config(ws, args->id);
3103
3104         if (args->id != SWM_ARG_ID_STACKINIT)
3105                 stack();
3106         bar_update();
3107 }
3108
3109 void
3110 stack(void) {
3111         struct swm_geometry     g;
3112         struct swm_region       *r;
3113         int                     i, num_screens;
3114 #ifdef SWM_DEBUG
3115         int j;
3116 #endif
3117
3118         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3119
3120         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3121         for (i = 0; i < num_screens; i++) {
3122 #ifdef SWM_DEBUG
3123                 j = 0;
3124 #endif
3125                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3126                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3127                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3128
3129                         /* start with screen geometry, adjust for bar */
3130                         g = r->g;
3131                         g.w -= 2 * border_width;
3132                         g.h -= 2 * border_width;
3133                         if (bar_enabled) {
3134                                 if (!bar_at_bottom)
3135                                         g.y += bar_height;
3136                                 g.h -= bar_height;
3137                         }
3138                         r->ws->cur_layout->l_stack(r->ws, &g);
3139                         r->ws->cur_layout->l_string(r->ws);
3140                         /* save r so we can track region changes */
3141                         r->ws->old_r = r;
3142                 }
3143         }
3144         if (font_adjusted)
3145                 font_adjusted--;
3146
3147         DNPRINTF(SWM_D_STACK, "stack: end\n");
3148 }
3149
3150 void
3151 store_float_geom(struct ws_win *win, struct swm_region *r)
3152 {
3153         /* retain window geom and region geom */
3154         win->g_float = win->g;
3155         win->g_float.x -= X(r);
3156         win->g_float.y -= Y(r);
3157         win->g_floatvalid = 1;
3158         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3159             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3160             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3161             win->g_float.w, win->g_float.h);
3162 }
3163
3164 void
3165 stack_floater(struct ws_win *win, struct swm_region *r)
3166 {
3167         if (win == NULL)
3168                 return;
3169
3170         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3171
3172         /*
3173          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3174          * geom on ws switches or return from max mode
3175          */
3176         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3177             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3178                 /* refloat at last floating relative position */
3179                 win->g = win->g_float;
3180                 X(win) += X(r);
3181                 Y(win) += Y(r);
3182         }
3183
3184         win->floatmaxed = 0;
3185
3186         /*
3187          * if set to fullscreen mode, configure window to maximum size.
3188          */
3189         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3190                 if (!win->g_floatvalid)
3191                         store_float_geom(win, win->ws->r);
3192
3193                 win->g = win->ws->r->g;
3194         }
3195
3196         /*
3197          * remove border on fullscreen floater when in fullscreen mode or when
3198          * the quirk is present.
3199          */
3200         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3201             ((win->quirks & SWM_Q_FULLSCREEN) &&
3202              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3203                 if (win->bordered) {
3204                         win->bordered = 0;
3205                         X(win) += border_width;
3206                         Y(win) += border_width;
3207                 }
3208         } else if (!win->bordered) {
3209                 win->bordered = 1;
3210                 X(win) -= border_width;
3211                 Y(win) -= border_width;
3212         }
3213
3214         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3215                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3216                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3217         }
3218
3219         if (!win->manual) {
3220                 /*
3221                  * floaters and transients are auto-centred unless moved
3222                  * or resized
3223                  */
3224                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3225                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3226         }
3227
3228         /* keep window within region bounds */
3229         constrain_window(win, r, 0);
3230
3231         update_window(win);
3232 }
3233
3234 /*
3235  * Send keystrokes to terminal to decrease/increase the font size as the
3236  * window size changes.
3237  */
3238 void
3239 adjust_font(struct ws_win *win)
3240 {
3241         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3242             win->floating || win->transient)
3243                 return;
3244
3245         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3246             WIDTH(win) / win->sh.width_inc < term_width &&
3247             win->font_steps < SWM_MAX_FONT_STEPS) {
3248                 win->font_size_boundary[win->font_steps] =
3249                     (win->sh.width_inc * term_width) + win->sh.base_width;
3250                 win->font_steps++;
3251                 font_adjusted++;
3252                 win->last_inc = win->sh.width_inc;
3253                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3254         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3255             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3256                 win->font_steps--;
3257                 font_adjusted++;
3258                 win->last_inc = win->sh.width_inc;
3259                 fake_keypress(win, XK_KP_Add, ShiftMask);
3260         }
3261 }
3262
3263 #define SWAPXY(g)       do {                            \
3264         int tmp;                                        \
3265         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3266         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3267 } while (0)
3268 void
3269 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3270 {
3271         struct swm_geometry     win_g, r_g = *g;
3272         struct ws_win           *win, *fs_win = NULL;
3273         int                     i, j, s, stacks;
3274         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3275         int                     hrh, extra = 0, h_slice, last_h = 0;
3276         int                     split, colno, winno, mwin, msize, mscale;
3277         int                     remain, missing, v_slice, reconfigure;
3278         int                     bordered = 1;
3279         xcb_get_window_attributes_reply_t *war;
3280
3281         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3282             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3283
3284         winno = count_win(ws, 0);
3285         if (winno == 0 && count_win(ws, 1) == 0)
3286                 return;
3287
3288         TAILQ_FOREACH(win, &ws->winlist, entry)
3289                 if (win->transient == 0 && win->floating == 0
3290                     && win->iconic == 0)
3291                         break;
3292
3293         if (win == NULL)
3294                 goto notiles;
3295
3296         if (rot) {
3297                 w_inc = win->sh.width_inc;
3298                 w_base = win->sh.base_width;
3299                 mwin = ws->l_state.horizontal_mwin;
3300                 mscale = ws->l_state.horizontal_msize;
3301                 stacks = ws->l_state.horizontal_stacks;
3302                 SWAPXY(&r_g);
3303         } else {
3304                 w_inc = win->sh.height_inc;
3305                 w_base = win->sh.base_height;
3306                 mwin = ws->l_state.vertical_mwin;
3307                 mscale = ws->l_state.vertical_msize;
3308                 stacks = ws->l_state.vertical_stacks;
3309         }
3310         win_g = r_g;
3311
3312         if (stacks > winno - mwin)
3313                 stacks = winno - mwin;
3314         if (stacks < 1)
3315                 stacks = 1;
3316
3317         h_slice = r_g.h / SWM_H_SLICE;
3318         if (mwin && winno > mwin) {
3319                 v_slice = r_g.w / SWM_V_SLICE;
3320
3321                 split = mwin;
3322                 colno = split;
3323                 win_g.w = v_slice * mscale;
3324
3325                 if (w_inc > 1 && w_inc < v_slice) {
3326                         /* adjust for window's requested size increment */
3327                         remain = (win_g.w - w_base) % w_inc;
3328                         win_g.w -= remain;
3329                 }
3330
3331                 msize = win_g.w;
3332                 if (flip)
3333                         win_g.x += r_g.w - msize;
3334         } else {
3335                 msize = -2;
3336                 colno = split = winno / stacks;
3337                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3338                     2 * border_width) / stacks);
3339         }
3340         hrh = r_g.h / colno;
3341         extra = r_g.h - (colno * hrh);
3342         win_g.h = hrh - 2 * border_width;
3343
3344         /*  stack all the tiled windows */
3345         i = j = 0, s = stacks;
3346         TAILQ_FOREACH(win, &ws->winlist, entry) {
3347                 if (win->transient != 0 || win->floating != 0)
3348                         continue;
3349                 if (win->iconic != 0)
3350                         continue;
3351
3352                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3353                         fs_win = win;
3354                         continue;
3355                 }
3356
3357                 if (split && i == split) {
3358                         colno = (winno - mwin) / stacks;
3359                         if (s <= (winno - mwin) % stacks)
3360                                 colno++;
3361                         split = split + colno;
3362                         hrh = (r_g.h / colno);
3363                         extra = r_g.h - (colno * hrh);
3364                         if (flip)
3365                                 win_g.x = r_g.x;
3366                         else
3367                                 win_g.x += win_g.w + 2 * border_width;
3368                         win_g.w = (r_g.w - msize -
3369                             (stacks * 2 * border_width)) / stacks;
3370                         if (s == 1)
3371                                 win_g.w += (r_g.w - msize -
3372                                     (stacks * 2 * border_width)) % stacks;
3373                         s--;
3374                         j = 0;
3375                 }
3376                 win_g.h = hrh - 2 * border_width;
3377                 if (rot) {
3378                         h_inc = win->sh.width_inc;
3379                         h_base = win->sh.base_width;
3380                 } else {
3381                         h_inc = win->sh.height_inc;
3382                         h_base = win->sh.base_height;
3383                 }
3384                 if (j == colno - 1) {
3385                         win_g.h = hrh + extra;
3386                 } else if (h_inc > 1 && h_inc < h_slice) {
3387                         /* adjust for window's requested size increment */
3388                         remain = (win_g.h - h_base) % h_inc;
3389                         missing = h_inc - remain;
3390
3391                         if (missing <= extra || j == 0) {
3392                                 extra -= missing;
3393                                 win_g.h += missing;
3394                         } else {
3395                                 win_g.h -= remain;
3396                                 extra += remain;
3397                         }
3398                 }
3399
3400                 if (j == 0)
3401                         win_g.y = r_g.y;
3402                 else
3403                         win_g.y += last_h + 2 * border_width;
3404
3405                 if (disable_border && bar_enabled == 0 && winno == 1){
3406                         bordered = 0;
3407                         win_g.w += 2 * border_width;
3408                         win_g.h += 2 * border_width;
3409                 } else {
3410                         bordered = 1;
3411                 }
3412                 if (rot) {
3413                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3414                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3415                                 reconfigure = 1;
3416                                 X(win) = win_g.y;
3417                                 Y(win) = win_g.x;
3418                                 WIDTH(win) = win_g.h;
3419                                 HEIGHT(win) = win_g.w;
3420                         }
3421                 } else {
3422                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3423                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3424                                 reconfigure = 1;
3425                                 X(win) = win_g.x;
3426                                 Y(win) = win_g.y;
3427                                 WIDTH(win) = win_g.w;
3428                                 HEIGHT(win) = win_g.h;
3429                         }
3430                 }
3431
3432                 if (bordered != win->bordered) {
3433                         reconfigure = 1;
3434                         win->bordered = bordered;
3435                 }
3436
3437                 if (reconfigure) {
3438                         adjust_font(win);
3439                         update_window(win);
3440                 }
3441
3442                 war = xcb_get_window_attributes_reply(conn,
3443                         xcb_get_window_attributes(conn, win->id),
3444                         NULL);
3445                 if (war) {
3446                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3447                                 map_window_raised(win->id);
3448                         free(war);
3449                 }
3450
3451                 last_h = win_g.h;
3452                 i++;
3453                 j++;
3454         }
3455
3456 notiles:
3457         /* now, stack all the floaters and transients */
3458         TAILQ_FOREACH(win, &ws->winlist, entry) {
3459                 if (win->transient == 0 && win->floating == 0)
3460                         continue;
3461                 if (win->iconic == 1)
3462                         continue;
3463                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3464                         fs_win = win;
3465                         continue;
3466                 }
3467
3468                 stack_floater(win, ws->r);
3469                 map_window_raised(win->id);
3470         }
3471
3472         if (fs_win) {
3473                 stack_floater(fs_win, ws->r);
3474                 map_window_raised(fs_win->id);
3475         }
3476 }
3477
3478 void
3479 vertical_config(struct workspace *ws, int id)
3480 {
3481         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3482             id, ws->idx);
3483
3484         switch (id) {
3485         case SWM_ARG_ID_STACKRESET:
3486         case SWM_ARG_ID_STACKINIT:
3487                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3488                 ws->l_state.vertical_mwin = 1;
3489                 ws->l_state.vertical_stacks = 1;
3490                 break;
3491         case SWM_ARG_ID_MASTERSHRINK:
3492                 if (ws->l_state.vertical_msize > 1)
3493                         ws->l_state.vertical_msize--;
3494                 break;
3495         case SWM_ARG_ID_MASTERGROW:
3496                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3497                         ws->l_state.vertical_msize++;
3498                 break;
3499         case SWM_ARG_ID_MASTERADD:
3500                 ws->l_state.vertical_mwin++;
3501                 break;
3502         case SWM_ARG_ID_MASTERDEL:
3503                 if (ws->l_state.vertical_mwin > 0)
3504                         ws->l_state.vertical_mwin--;
3505                 break;
3506         case SWM_ARG_ID_STACKINC:
3507                 ws->l_state.vertical_stacks++;
3508                 break;
3509         case SWM_ARG_ID_STACKDEC:
3510                 if (ws->l_state.vertical_stacks > 1)
3511                         ws->l_state.vertical_stacks--;
3512                 break;
3513         case SWM_ARG_ID_FLIPLAYOUT:
3514                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3515                 break;
3516         default:
3517                 return;
3518         }
3519 }
3520
3521 void
3522 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3523 {
3524         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3525
3526         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3527 }
3528
3529 void
3530 horizontal_config(struct workspace *ws, int id)
3531 {
3532         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3533
3534         switch (id) {
3535         case SWM_ARG_ID_STACKRESET:
3536         case SWM_ARG_ID_STACKINIT:
3537                 ws->l_state.horizontal_mwin = 1;
3538                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3539                 ws->l_state.horizontal_stacks = 1;
3540                 break;
3541         case SWM_ARG_ID_MASTERSHRINK:
3542                 if (ws->l_state.horizontal_msize > 1)
3543                         ws->l_state.horizontal_msize--;
3544                 break;
3545         case SWM_ARG_ID_MASTERGROW:
3546                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3547                         ws->l_state.horizontal_msize++;
3548                 break;
3549         case SWM_ARG_ID_MASTERADD:
3550                 ws->l_state.horizontal_mwin++;
3551                 break;
3552         case SWM_ARG_ID_MASTERDEL:
3553                 if (ws->l_state.horizontal_mwin > 0)
3554                         ws->l_state.horizontal_mwin--;
3555                 break;
3556         case SWM_ARG_ID_STACKINC:
3557                 ws->l_state.horizontal_stacks++;
3558                 break;
3559         case SWM_ARG_ID_STACKDEC:
3560                 if (ws->l_state.horizontal_stacks > 1)
3561                         ws->l_state.horizontal_stacks--;
3562                 break;
3563         case SWM_ARG_ID_FLIPLAYOUT:
3564                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3565                 break;
3566         default:
3567                 return;
3568         }
3569 }
3570
3571 void
3572 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3573 {
3574         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3575
3576         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3577 }
3578
3579 /* fullscreen view */
3580 void
3581 max_stack(struct workspace *ws, struct swm_geometry *g)
3582 {
3583         struct swm_geometry     gg = *g;
3584         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3585         int                     winno, num_screens;
3586
3587         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3588
3589         if (ws == NULL)
3590                 return;
3591
3592         winno = count_win(ws, 0);
3593         if (winno == 0 && count_win(ws, 1) == 0)
3594                 return;
3595
3596         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3597         TAILQ_FOREACH(win, &ws->winlist, entry) {
3598                 if (win->transient) {
3599                         wintrans = win;
3600                         parent = find_window(win->transient);
3601                         continue;
3602                 }
3603
3604                 if (win->floating && win->floatmaxed == 0 ) {
3605                         /*
3606                          * retain geometry for retrieval on exit from
3607                          * max_stack mode
3608                          */
3609                         store_float_geom(win, ws->r);
3610                         win->floatmaxed = 1;
3611                 }
3612
3613                 /* only reconfigure if necessary */
3614                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3615                     HEIGHT(win) != gg.h) {
3616                         win->g = gg;
3617                         if (bar_enabled){
3618                                 win->bordered = 1;
3619                         } else {
3620                                 win->bordered = 0;
3621                                 WIDTH(win) += 2 * border_width;
3622                                 HEIGHT(win) += 2 * border_width;
3623                         }
3624
3625                         update_window(win);
3626                 }
3627                 /* unmap only if we don't have multi screen */
3628                 if (win != ws->focus)
3629                         if (!(num_screens > 1 || outputs > 1))
3630                                 unmap_window(win);
3631         }
3632
3633         /* put the last transient on top */
3634         if (wintrans) {
3635                 if (parent)
3636                         map_window_raised(parent->id);
3637                 stack_floater(wintrans, ws->r);
3638                 focus_magic(wintrans);
3639         }
3640 }
3641
3642 void
3643 send_to_ws(struct swm_region *r, union arg *args)
3644 {
3645         int                     wsid = args->id;
3646         struct ws_win           *win = NULL, *parent;
3647         struct workspace        *ws, *nws;
3648         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3649         char                    ws_idx_str[SWM_PROPLEN];
3650         union arg               a;
3651
3652         if (wsid >= workspace_limit)
3653                 return;
3654
3655         if (r && r->ws && r->ws->focus)
3656                 win = r->ws->focus;
3657         else
3658                 return;
3659         if (win == NULL)
3660                 return;
3661         if (win->ws->idx == wsid)
3662                 return;
3663
3664         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3665
3666         ws = win->ws;
3667         nws = &win->s->ws[wsid];
3668
3669         a.id = SWM_ARG_ID_FOCUSPREV;
3670         focus(r, &a);
3671         if (win->transient) {
3672                 parent = find_window(win->transient);
3673                 if (parent) {
3674                         unmap_window(parent);
3675                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3676                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3677                         parent->ws = nws;
3678                 }
3679         }
3680         unmap_window(win);
3681         TAILQ_REMOVE(&ws->winlist, win, entry);
3682         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3683         if (TAILQ_EMPTY(&ws->winlist))
3684                 r->ws->focus = NULL;
3685         win->ws = nws;
3686
3687         /* Try to update the window's workspace property */
3688         ws_idx_atom = get_atom_from_string("_SWM_WS");
3689         if (ws_idx_atom &&
3690             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3691                 SWM_PROPLEN) {
3692                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3693                     ws_idx_str);
3694                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3695                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3696                         ws_idx_str);
3697         }
3698
3699         stack();
3700         bar_update();
3701 }
3702
3703 void
3704 pressbutton(struct swm_region *r, union arg *args)
3705 {
3706         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3707                 XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3708         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3709                 XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3710 }
3711
3712 void
3713 raise_toggle(struct swm_region *r, union arg *args)
3714 {
3715         if (r == NULL || r->ws == NULL)
3716                 return;
3717
3718         r->ws->always_raise = !r->ws->always_raise;
3719
3720         /* bring floaters back to top */
3721         if (r->ws->always_raise == 0)
3722                 stack();
3723 }
3724
3725 void
3726 iconify(struct swm_region *r, union arg *args)
3727 {
3728         union arg a;
3729
3730         if (r->ws->focus == NULL)
3731                 return;
3732         unmap_window(r->ws->focus);
3733         update_iconic(r->ws->focus, 1);
3734         stack();
3735
3736         r->ws->focus = NULL;
3737         a.id = SWM_ARG_ID_FOCUSCUR;
3738         focus(r, &a);
3739 }
3740
3741 char *
3742 get_win_name(xcb_window_t win)
3743 {
3744         char                            *name = NULL;
3745         xcb_get_property_cookie_t       c;
3746         xcb_icccm_get_text_property_reply_t     r;
3747
3748         c = xcb_icccm_get_wm_name(conn, win);
3749         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3750                 if (r.name_len > 0) {
3751                         name = malloc(r.name_len + 1);
3752                         if (!name) {
3753                                 xcb_icccm_get_text_property_reply_wipe(&r);
3754                                 return (NULL);
3755                         }
3756                         memcpy(name, r.name, r.name_len);
3757                         name[r.name_len] = '\0';
3758                 }
3759                 xcb_icccm_get_text_property_reply_wipe(&r);
3760         }
3761
3762         return (name);
3763 }
3764
3765 void
3766 uniconify(struct swm_region *r, union arg *args)
3767 {
3768         struct ws_win           *win;
3769         FILE                    *lfile;
3770         char                    *name;
3771         int                     count = 0;
3772
3773         DNPRINTF(SWM_D_MISC, "uniconify\n");
3774
3775         if (r == NULL || r->ws == NULL)
3776                 return;
3777
3778         /* make sure we have anything to uniconify */
3779         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3780                 if (win->ws == NULL)
3781                         continue; /* should never happen */
3782                 if (win->iconic == 0)
3783                         continue;
3784                 count++;
3785         }
3786         if (count == 0)
3787                 return;
3788
3789         search_r = r;
3790         search_resp_action = SWM_SEARCH_UNICONIFY;
3791
3792         spawn_select(r, args, "search", &searchpid);
3793
3794         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3795                 return;
3796
3797         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3798                 if (win->ws == NULL)
3799                         continue; /* should never happen */
3800                 if (win->iconic == 0)
3801                         continue;
3802
3803                 name = get_win_name(win->id);
3804                 if (name == NULL)
3805                         continue;
3806                 fprintf(lfile, "%s.%u\n", name, win->id);
3807                 free(name);
3808         }
3809
3810         fclose(lfile);
3811 }
3812
3813 void
3814 name_workspace(struct swm_region *r, union arg *args)
3815 {
3816         FILE                    *lfile;
3817
3818         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3819
3820         if (r == NULL)
3821                 return;
3822
3823         search_r = r;
3824         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3825
3826         spawn_select(r, args, "name_workspace", &searchpid);
3827
3828         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3829                 return;
3830
3831         fprintf(lfile, "%s", "");
3832         fclose(lfile);
3833 }
3834
3835 void
3836 search_workspace(struct swm_region *r, union arg *args)
3837 {
3838         int                     i;
3839         struct workspace        *ws;
3840         FILE                    *lfile;
3841
3842         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3843
3844         if (r == NULL)
3845                 return;
3846
3847         search_r = r;
3848         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3849
3850         spawn_select(r, args, "search", &searchpid);
3851
3852         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3853                 return;
3854
3855         for (i = 0; i < workspace_limit; i++) {
3856                 ws = &r->s->ws[i];
3857                 if (ws == NULL)
3858                         continue;
3859                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3860                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3861         }
3862
3863         fclose(lfile);
3864 }
3865
3866 void
3867 search_win_cleanup(void)
3868 {
3869         struct search_window    *sw = NULL;
3870
3871         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3872                 xcb_destroy_window(conn, sw->indicator);
3873                 xcb_free_gc(conn, sw->gc);
3874                 TAILQ_REMOVE(&search_wl, sw, entry);
3875                 free(sw);
3876         }
3877 }
3878
3879 void
3880 search_win(struct swm_region *r, union arg *args)
3881 {
3882         struct ws_win           *win = NULL;
3883         struct search_window    *sw = NULL;
3884         xcb_window_t            w;
3885         uint32_t                gcv[3], wa[2];
3886         int                     i;
3887         char                    s[8];
3888         FILE                    *lfile;
3889         size_t                  len;
3890         XRectangle              ibox, lbox;
3891         DNPRINTF(SWM_D_MISC, "search_win\n");
3892
3893         search_r = r;
3894         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3895
3896         spawn_select(r, args, "search", &searchpid);
3897
3898         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3899                 return;
3900
3901         TAILQ_INIT(&search_wl);
3902
3903         i = 1;
3904         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3905                 if (win->iconic == 1)
3906                         continue;
3907
3908                 sw = calloc(1, sizeof(struct search_window));
3909                 if (sw == NULL) {
3910                         warn("search_win: calloc");
3911                         fclose(lfile);
3912                         search_win_cleanup();
3913                         return;
3914                 }
3915                 sw->idx = i;
3916                 sw->win = win;
3917
3918                 snprintf(s, sizeof s, "%d", i);
3919                 len = strlen(s);
3920
3921                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3922
3923                 w = xcb_generate_id(conn);
3924                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3925                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3926                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3927                     lbox.width + 4, bar_fs_extents->max_logical_extent.height,
3928                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3929                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3930
3931                 sw->indicator = w;
3932                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3933
3934                 sw->gc = xcb_generate_id(conn);
3935                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3936                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].color;
3937                 gcv[2] = 0;
3938                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3939                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
3940                 map_window_raised(w);
3941
3942                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3943                     (bar_fs_extents->max_logical_extent.height -
3944                     lbox.height) / 2 - lbox.y, s);
3945
3946                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3947
3948                 fprintf(lfile, "%d\n", i);
3949                 i++;
3950         }
3951
3952         fclose(lfile);
3953 }
3954
3955 void
3956 search_resp_uniconify(char *resp, unsigned long len)
3957 {
3958         char                    *name;
3959         struct ws_win           *win;
3960         char                    *s;
3961
3962         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3963
3964         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3965                 if (win->iconic == 0)
3966                         continue;
3967                 name = get_win_name(win->id);
3968                 if (name == NULL)
3969                         continue;
3970                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3971                         free(name);
3972                         continue;
3973                 }
3974                 free(name);
3975                 if (strncmp(s, resp, len) == 0) {
3976                         /* XXX this should be a callback to generalize */
3977                         update_iconic(win, 0);
3978                         free(s);
3979                         break;
3980                 }
3981                 free(s);
3982         }
3983 }
3984
3985 void
3986 search_resp_name_workspace(char *resp, unsigned long len)
3987 {
3988         struct workspace        *ws;
3989
3990         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3991
3992         if (search_r->ws == NULL)
3993                 return;
3994         ws = search_r->ws;
3995
3996         if (ws->name) {
3997                 free(search_r->ws->name);
3998                 search_r->ws->name = NULL;
3999         }
4000
4001         if (len > 1) {
4002                 ws->name = strdup(resp);
4003                 if (ws->name == NULL) {
4004                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4005                             "strdup: %s", strerror(errno));
4006                         return;
4007                 }
4008         }
4009 }
4010
4011 void
4012 search_resp_search_workspace(char *resp, unsigned long len)
4013 {
4014         char                    *p, *q;
4015         int                     ws_idx;
4016         const char              *errstr;
4017         union arg               a;
4018
4019         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4020
4021         q = strdup(resp);
4022         if (!q) {
4023                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4024                     strerror(errno));
4025                 return;
4026         }
4027         p = strchr(q, ':');
4028         if (p != NULL)
4029                 *p = '\0';
4030         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
4031         if (errstr) {
4032                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4033                     errstr, q);
4034                 free(q);
4035                 return;
4036         }
4037         free(q);
4038         a.id = ws_idx - 1;
4039         switchws(search_r, &a);
4040 }
4041
4042 void
4043 search_resp_search_window(char *resp, unsigned long len)
4044 {
4045         char                    *s;
4046         int                     idx;
4047         const char              *errstr;
4048         struct search_window    *sw;
4049
4050         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4051
4052         s = strdup(resp);
4053         if (!s) {
4054                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4055                     strerror(errno));
4056                 return;
4057         }
4058
4059         idx = strtonum(s, 1, INT_MAX, &errstr);
4060         if (errstr) {
4061                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4062                     errstr, s);
4063                 free(s);
4064                 return;
4065         }
4066         free(s);
4067
4068         TAILQ_FOREACH(sw, &search_wl, entry)
4069                 if (idx == sw->idx) {
4070                         focus_win(sw->win);
4071                         break;
4072                 }
4073 }
4074
4075 #define MAX_RESP_LEN    1024
4076
4077 void
4078 search_do_resp(void)
4079 {
4080         ssize_t                 rbytes;
4081         char                    *resp;
4082         unsigned long           len;
4083
4084         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4085
4086         search_resp = 0;
4087         searchpid = 0;
4088
4089         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4090                 warn("search: calloc");
4091                 goto done;
4092         }
4093
4094         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4095         if (rbytes <= 0) {
4096                 warn("search: read error");
4097                 goto done;
4098         }
4099         resp[rbytes] = '\0';
4100
4101         /* XXX:
4102          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4103          * newline, so work around that by sanitizing the resp now.
4104          */
4105         resp[strcspn(resp, "\n")] = '\0';
4106         len = strlen(resp);
4107
4108         switch (search_resp_action) {
4109         case SWM_SEARCH_UNICONIFY:
4110                 search_resp_uniconify(resp, len);
4111                 break;
4112         case SWM_SEARCH_NAME_WORKSPACE:
4113                 search_resp_name_workspace(resp, len);
4114                 break;
4115         case SWM_SEARCH_SEARCH_WORKSPACE:
4116                 search_resp_search_workspace(resp, len);
4117                 break;
4118         case SWM_SEARCH_SEARCH_WINDOW:
4119                 search_resp_search_window(resp, len);
4120                 break;
4121         }
4122
4123 done:
4124         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4125                 search_win_cleanup();
4126
4127         search_resp_action = SWM_SEARCH_NONE;
4128         close(select_resp_pipe[0]);
4129         free(resp);
4130 }
4131
4132 void
4133 wkill(struct swm_region *r, union arg *args)
4134 {
4135         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4136
4137         if (r->ws->focus == NULL)
4138                 return;
4139
4140         if (args->id == SWM_ARG_ID_KILLWINDOW)
4141                 xcb_kill_client(conn, r->ws->focus->id);
4142         else
4143                 if (r->ws->focus->can_delete)
4144                         client_msg(r->ws->focus, adelete);
4145 }
4146
4147
4148 int
4149 floating_toggle_win(struct ws_win *win)
4150 {
4151         struct swm_region       *r;
4152
4153         if (win == NULL)
4154                 return (0);
4155
4156         if (!win->ws->r)
4157                 return (0);
4158
4159         r = win->ws->r;
4160
4161         /* reject floating toggles in max stack mode */
4162         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4163                 return (0);
4164
4165         if (win->floating) {
4166                 if (!win->floatmaxed) {
4167                         /* retain position for refloat */
4168                         store_float_geom(win, r);
4169                 }
4170                 win->floating = 0;
4171         } else {
4172                 if (win->g_floatvalid) {
4173                         /* refloat at last floating relative position */
4174                         X(win) = win->g_float.x + X(r);
4175                         Y(win) = win->g_float.y + Y(r);
4176                         WIDTH(win) = win->g_float.w;
4177                         HEIGHT(win) = win->g_float.h;
4178                 }
4179                 win->floating = 1;
4180         }
4181
4182         ewmh_update_actions(win);
4183
4184         return (1);
4185 }
4186
4187 void
4188 floating_toggle(struct swm_region *r, union arg *args)
4189 {
4190         struct ws_win           *win = r->ws->focus;
4191         union arg               a;
4192
4193         if (win == NULL)
4194                 return;
4195
4196         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4197             _NET_WM_STATE_TOGGLE);
4198
4199         stack();
4200
4201         if (win == win->ws->focus) {
4202                 a.id = SWM_ARG_ID_FOCUSCUR;
4203                 focus(win->ws->r, &a);
4204         }
4205 }
4206
4207 void
4208 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4209 {
4210         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4211                 if (resizable)
4212                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4213                 else
4214                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4215         }
4216
4217         if (X(win) + BORDER(win) < X(r)) {
4218                 if (resizable)
4219                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4220
4221                 X(win) = X(r) - BORDER(win);
4222         }
4223
4224         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4225                 if (resizable)
4226                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4227                 else
4228                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4229         }
4230
4231         if (Y(win) + BORDER(win) < Y(r)) {
4232                 if (resizable)
4233                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4234
4235                 Y(win) = Y(r) - BORDER(win);
4236         }
4237
4238         if (resizable) {
4239                 if (WIDTH(win) < 1)
4240                         WIDTH(win) = 1;
4241                 if (HEIGHT(win) < 1)
4242                         HEIGHT(win) = 1;
4243         }
4244 }
4245
4246 void
4247 update_window(struct ws_win *win)
4248 {
4249         uint16_t        mask;
4250         uint32_t        wc[5];
4251
4252         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4253                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4254                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4255         wc[0] = X(win);
4256         wc[1] = Y(win);
4257         wc[2] = WIDTH(win);
4258         wc[3] = HEIGHT(win);
4259         wc[4] = BORDER(win);
4260
4261         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4262             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4263             wc[3], YESNO(win->bordered));
4264
4265         xcb_configure_window(conn, win->id, mask, wc);
4266 }
4267
4268 #define SWM_RESIZE_STEPS        (50)
4269
4270 void
4271 resize(struct ws_win *win, union arg *args)
4272 {
4273         xcb_timestamp_t         time = 0;
4274         struct swm_region       *r = NULL;
4275         int                     resize_step = 0;
4276         struct swm_geometry     g;
4277         int                     top = 0, left = 0, buttonrelease;
4278         int                     dx, dy;
4279         unsigned int            shape; /* cursor style */
4280         xcb_cursor_t            cursor;
4281         xcb_font_t              cursor_font;
4282         xcb_grab_pointer_reply_t        *gpr;
4283         xcb_query_pointer_reply_t       *xpr;
4284         xcb_generic_event_t             *evt;
4285         xcb_motion_notify_event_t       *mne;
4286
4287         if (win == NULL)
4288                 return;
4289         r = win->ws->r;
4290
4291         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4292                 return;
4293
4294         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%x, floating: %s, "
4295             "transient: 0x%x\n", win->id, YESNO(win->floating),
4296             win->transient);
4297
4298         if (!(win->transient != 0 || win->floating != 0))
4299                 return;
4300
4301         /* reject resizes in max mode for floaters (transient ok) */
4302         if (win->floatmaxed)
4303                 return;
4304
4305         win->manual = 1;
4306         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4307             _NET_WM_STATE_ADD);
4308
4309         stack();
4310
4311         switch (args->id) {
4312         case SWM_ARG_ID_WIDTHSHRINK:
4313                 WIDTH(win) -= SWM_RESIZE_STEPS;
4314                 resize_step = 1;
4315                 break;
4316         case SWM_ARG_ID_WIDTHGROW:
4317                 WIDTH(win) += SWM_RESIZE_STEPS;
4318                 resize_step = 1;
4319                 break;
4320         case SWM_ARG_ID_HEIGHTSHRINK:
4321                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4322                 resize_step = 1;
4323                 break;
4324         case SWM_ARG_ID_HEIGHTGROW:
4325                 HEIGHT(win) += SWM_RESIZE_STEPS;
4326                 resize_step = 1;
4327                 break;
4328         default:
4329                 break;
4330         }
4331         if (resize_step) {
4332                 constrain_window(win, r, 1);
4333                 update_window(win);
4334                 store_float_geom(win,r);
4335                 return;
4336         }
4337
4338         /* get cursor offset from window root */
4339         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4340                 NULL);
4341         if (!xpr)
4342                 return;
4343
4344         g = win->g;
4345
4346         if (xpr->win_x < WIDTH(win) / 2)
4347                 left = 1;
4348
4349         if (xpr->win_y < HEIGHT(win) / 2)
4350                 top = 1;
4351
4352         if (args->id == SWM_ARG_ID_CENTER)
4353                 shape = XC_sizing;
4354         else if (top)
4355                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4356         else
4357                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4358
4359         cursor_font = xcb_generate_id(conn);
4360         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4361
4362         cursor = xcb_generate_id(conn);
4363         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4364                 shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4365
4366         gpr = xcb_grab_pointer_reply(conn,
4367                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4368                 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
4369                 cursor, XCB_CURRENT_TIME),
4370                 NULL);
4371         if (!gpr) {
4372                 xcb_free_cursor(conn, cursor);
4373                 xcb_close_font(conn, cursor_font);
4374                 free(xpr);
4375                 return;
4376         }
4377
4378         buttonrelease = 0;
4379         while ((evt = xcb_poll_for_event(conn)) && buttonrelease != 1) {
4380                 /*
4381                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4382                     SubstructureRedirectMask, &ev);
4383                 */
4384                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4385                 case XCB_BUTTON_RELEASE:
4386                         buttonrelease = 1;
4387                         break;
4388                 case XCB_MOTION_NOTIFY:
4389                         mne = (xcb_motion_notify_event_t *)evt;
4390                         /* cursor offset/delta from start of the operation */
4391                         dx = mne->root_x - xpr->root_x;
4392                         dy = mne->root_y - xpr->root_y;
4393
4394                         /* vertical */
4395                         if (top)
4396                                 dy = -dy;
4397
4398                         if (args->id == SWM_ARG_ID_CENTER) {
4399                                 if (g.h / 2 + dy < 1)
4400                                         dy = 1 - g.h / 2;
4401
4402                                 Y(win) = g.y - dy;
4403                                 HEIGHT(win) = g.h + 2 * dy;
4404                         } else {
4405                                 if (g.h + dy < 1)
4406                                         dy = 1 - g.h;
4407
4408                                 if (top)
4409                                         Y(win) = g.y - dy;
4410
4411                                 HEIGHT(win) = g.h + dy;
4412                         }
4413
4414                         /* horizontal */
4415                         if (left)
4416                                 dx = -dx;
4417
4418                         if (args->id == SWM_ARG_ID_CENTER) {
4419                                 if (g.w / 2 + dx < 1)
4420                                         dx = 1 - g.w / 2;
4421
4422                                 X(win) = g.x - dx;
4423                                 WIDTH(win) = g.w + 2 * dx;
4424                         } else {
4425                                 if (g.w + dx < 1)
4426                                         dx = 1 - g.w;
4427
4428                                 if (left)
4429                                         X(win) = g.x - dx;
4430
4431                                 WIDTH(win) = g.w + dx;
4432                         }
4433
4434                         constrain_window(win, r, 1);
4435
4436                         /* not free, don't sync more than 120 times / second */
4437                         if ((mne->time - time) > (1000 / 120) ) {
4438                                 time = mne->time;
4439                                 do_sync();
4440                                 update_window(win);
4441                         }
4442                         break;
4443                 default:
4444                         event_handle(evt);
4445                         break;
4446                 }
4447                 free(evt);
4448         }
4449         if (time) {
4450                 do_sync();
4451                 update_window(win);
4452         }
4453         store_float_geom(win,r);
4454
4455         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4456         xcb_free_cursor(conn, cursor);
4457         xcb_close_font(conn, cursor_font);
4458         free(gpr);
4459         free(xpr);
4460 }
4461
4462 void
4463 resize_step(struct swm_region *r, union arg *args)
4464 {
4465         struct ws_win           *win = NULL;
4466
4467         if (r && r->ws && r->ws->focus)
4468                 win = r->ws->focus;
4469         else
4470                 return;
4471
4472         resize(win, args);
4473 }
4474
4475 #define SWM_MOVE_STEPS  (50)
4476
4477 void
4478 move(struct ws_win *win, union arg *args)
4479 {
4480         xcb_timestamp_t         time = 0;
4481         int                     move_step = 0, buttonrelease;
4482         struct swm_region       *r = NULL;
4483         xcb_font_t                      cursor_font;
4484         xcb_cursor_t                    cursor;
4485         xcb_grab_pointer_reply_t        *gpr;
4486         xcb_query_pointer_reply_t       *qpr;
4487         xcb_generic_event_t             *evt;
4488         xcb_motion_notify_event_t       *mne;
4489
4490         if (win == NULL)
4491                 return;
4492         r = win->ws->r;
4493
4494         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4495                 return;
4496
4497         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%x, floating: %s, transient: "
4498             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4499
4500         /* in max_stack mode should only move transients */
4501         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4502                 return;
4503
4504         win->manual = 1;
4505         if (win->floating == 0 && !win->transient) {
4506                 store_float_geom(win, r);
4507                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4508                     _NET_WM_STATE_ADD);
4509         }
4510         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4511             _NET_WM_STATE_ADD);
4512
4513         stack();
4514
4515         move_step = 0;
4516         switch (args->id) {
4517         case SWM_ARG_ID_MOVELEFT:
4518                 X(win) -= (SWM_MOVE_STEPS - border_width);
4519                 move_step = 1;
4520                 break;
4521         case SWM_ARG_ID_MOVERIGHT:
4522                 X(win) += (SWM_MOVE_STEPS - border_width);
4523                 move_step = 1;
4524                 break;
4525         case SWM_ARG_ID_MOVEUP:
4526                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4527                 move_step = 1;
4528                 break;
4529         case SWM_ARG_ID_MOVEDOWN:
4530                 Y(win) += (SWM_MOVE_STEPS - border_width);
4531                 move_step = 1;
4532                 break;
4533         default:
4534                 break;
4535         }
4536         if (move_step) {
4537                 constrain_window(win, r, 0);
4538                 update_window(win);
4539                 store_float_geom(win, r);
4540                 return;
4541         }
4542
4543         cursor_font = xcb_generate_id(conn);
4544         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4545
4546         cursor = xcb_generate_id(conn);
4547         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4548                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4549
4550         gpr = xcb_grab_pointer_reply(conn,
4551                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4552                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4553                         XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME),
4554                 NULL);
4555         if (!gpr) {
4556                 xcb_free_cursor(conn, cursor);
4557                 xcb_close_font(conn, cursor_font);
4558                 return;
4559         }
4560
4561         /* get cursor offset from window root */
4562         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4563                 NULL);
4564         if (!qpr) {
4565                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4566                 xcb_free_cursor(conn, cursor);
4567                 xcb_close_font(conn, cursor_font);
4568                 return;
4569         }
4570
4571         buttonrelease = 0;
4572         while ((evt = xcb_poll_for_event(conn)) && buttonrelease != 1) {
4573                 /*
4574                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4575                     SubstructureRedirectMask, &ev);
4576                 */
4577                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4578                 case XCB_BUTTON_RELEASE:
4579                         buttonrelease = 1;
4580                         break;
4581                 case XCB_MOTION_NOTIFY:
4582                         mne = (xcb_motion_notify_event_t *)evt;
4583                         X(win) = mne->root_x - qpr->win_x - border_width;
4584                         Y(win) = mne->root_y - qpr->win_y - border_width;
4585
4586                         constrain_window(win, r, 0);
4587
4588                         /* not free, don't sync more than 120 times / second */
4589                         if ((mne->time - time) > (1000 / 120) ) {
4590                                 time = mne->time;
4591                                 do_sync();
4592                                 update_window(win);
4593                         }
4594                         break;
4595                 default:
4596                         event_handle(evt);
4597                         break;
4598                 }
4599                 free(evt);
4600         }
4601         if (time) {
4602                 do_sync();
4603                 update_window(win);
4604         }
4605         store_float_geom(win, r);
4606         free(qpr);
4607         xcb_free_cursor(conn, cursor);
4608         xcb_close_font(conn, cursor_font);
4609         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4610 }
4611
4612 void
4613 move_step(struct swm_region *r, union arg *args)
4614 {
4615         struct ws_win           *win = NULL;
4616
4617         if (r && r->ws && r->ws->focus)
4618                 win = r->ws->focus;
4619         else
4620                 return;
4621
4622         if (!(win->transient != 0 || win->floating != 0))
4623                 return;
4624
4625         move(win, args);
4626 }
4627
4628
4629 /* user/key callable function IDs */
4630 enum keyfuncid {
4631         kf_cycle_layout,
4632         kf_flip_layout,
4633         kf_stack_reset,
4634         kf_master_shrink,
4635         kf_master_grow,
4636         kf_master_add,
4637         kf_master_del,
4638         kf_stack_inc,
4639         kf_stack_dec,
4640         kf_swap_main,
4641         kf_focus_next,
4642         kf_focus_prev,
4643         kf_swap_next,
4644         kf_swap_prev,
4645         kf_quit,
4646         kf_restart,
4647         kf_focus_main,
4648         kf_ws_1,
4649         kf_ws_2,
4650         kf_ws_3,
4651         kf_ws_4,
4652         kf_ws_5,
4653         kf_ws_6,
4654         kf_ws_7,
4655         kf_ws_8,
4656         kf_ws_9,
4657         kf_ws_10,
4658         kf_ws_11,
4659         kf_ws_12,
4660         kf_ws_13,
4661         kf_ws_14,
4662         kf_ws_15,
4663         kf_ws_16,
4664         kf_ws_17,
4665         kf_ws_18,
4666         kf_ws_19,
4667         kf_ws_20,
4668         kf_ws_21,
4669         kf_ws_22,
4670         kf_ws_next,
4671         kf_ws_prev,
4672         kf_ws_next_all,
4673         kf_ws_prev_all,
4674         kf_ws_prior,
4675         kf_screen_next,
4676         kf_screen_prev,
4677         kf_mvws_1,
4678         kf_mvws_2,
4679         kf_mvws_3,
4680         kf_mvws_4,
4681         kf_mvws_5,
4682         kf_mvws_6,
4683         kf_mvws_7,
4684         kf_mvws_8,
4685         kf_mvws_9,
4686         kf_mvws_10,
4687         kf_mvws_11,
4688         kf_mvws_12,
4689         kf_mvws_13,
4690         kf_mvws_14,
4691         kf_mvws_15,
4692         kf_mvws_16,
4693         kf_mvws_17,
4694         kf_mvws_18,
4695         kf_mvws_19,
4696         kf_mvws_20,
4697         kf_mvws_21,
4698         kf_mvws_22,
4699         kf_bar_toggle,
4700         kf_wind_kill,
4701         kf_wind_del,
4702         kf_float_toggle,
4703         kf_version,
4704         kf_spawn_custom,
4705         kf_iconify,
4706         kf_uniconify,
4707         kf_raise_toggle,
4708         kf_button2,
4709         kf_width_shrink,
4710         kf_width_grow,
4711         kf_height_shrink,
4712         kf_height_grow,
4713         kf_move_left,
4714         kf_move_right,
4715         kf_move_up,
4716         kf_move_down,
4717         kf_name_workspace,
4718         kf_search_workspace,
4719         kf_search_win,
4720         kf_dumpwins, /* MUST BE LAST */
4721         kf_invalid
4722 };
4723
4724 /* key definitions */
4725 void
4726 dummykeyfunc(struct swm_region *r, union arg *args)
4727 {
4728 };
4729
4730 struct keyfunc {
4731         char                    name[SWM_FUNCNAME_LEN];
4732         void                    (*func)(struct swm_region *r, union arg *);
4733         union arg               args;
4734 } keyfuncs[kf_invalid + 1] = {
4735         /* name                 function        argument */
4736         { "cycle_layout",       cycle_layout,   {0} },
4737         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4738         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4739         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4740         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4741         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4742         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4743         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4744         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4745         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4746         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4747         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4748         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4749         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4750         { "quit",               quit,           {0} },
4751         { "restart",            restart,        {0} },
4752         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4753         { "ws_1",               switchws,       {.id = 0} },
4754         { "ws_2",               switchws,       {.id = 1} },
4755         { "ws_3",               switchws,       {.id = 2} },
4756         { "ws_4",               switchws,       {.id = 3} },
4757         { "ws_5",               switchws,       {.id = 4} },
4758         { "ws_6",               switchws,       {.id = 5} },
4759         { "ws_7",               switchws,       {.id = 6} },
4760         { "ws_8",               switchws,       {.id = 7} },
4761         { "ws_9",               switchws,       {.id = 8} },
4762         { "ws_10",              switchws,       {.id = 9} },
4763         { "ws_11",              switchws,       {.id = 10} },
4764         { "ws_12",              switchws,       {.id = 11} },
4765         { "ws_13",              switchws,       {.id = 12} },
4766         { "ws_14",              switchws,       {.id = 13} },
4767         { "ws_15",              switchws,       {.id = 14} },
4768         { "ws_16",              switchws,       {.id = 15} },
4769         { "ws_17",              switchws,       {.id = 16} },
4770         { "ws_18",              switchws,       {.id = 17} },
4771         { "ws_19",              switchws,       {.id = 18} },
4772         { "ws_20",              switchws,       {.id = 19} },
4773         { "ws_21",              switchws,       {.id = 20} },
4774         { "ws_22",              switchws,       {.id = 21} },
4775         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4776         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4777         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4778         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4779         { "ws_prior",           priorws,        {0} },
4780         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4781         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4782         { "mvws_1",             send_to_ws,     {.id = 0} },
4783         { "mvws_2",             send_to_ws,     {.id = 1} },
4784         { "mvws_3",             send_to_ws,     {.id = 2} },
4785         { "mvws_4",             send_to_ws,     {.id = 3} },
4786         { "mvws_5",             send_to_ws,     {.id = 4} },
4787         { "mvws_6",             send_to_ws,     {.id = 5} },
4788         { "mvws_7",             send_to_ws,     {.id = 6} },
4789         { "mvws_8",             send_to_ws,     {.id = 7} },
4790         { "mvws_9",             send_to_ws,     {.id = 8} },
4791         { "mvws_10",            send_to_ws,     {.id = 9} },
4792         { "mvws_11",            send_to_ws,     {.id = 10} },
4793         { "mvws_12",            send_to_ws,     {.id = 11} },
4794         { "mvws_13",            send_to_ws,     {.id = 12} },
4795         { "mvws_14",            send_to_ws,     {.id = 13} },
4796         { "mvws_15",            send_to_ws,     {.id = 14} },
4797         { "mvws_16",            send_to_ws,     {.id = 15} },
4798         { "mvws_17",            send_to_ws,     {.id = 16} },
4799         { "mvws_18",            send_to_ws,     {.id = 17} },
4800         { "mvws_19",            send_to_ws,     {.id = 18} },
4801         { "mvws_20",            send_to_ws,     {.id = 19} },
4802         { "mvws_21",            send_to_ws,     {.id = 20} },
4803         { "mvws_22",            send_to_ws,     {.id = 21} },
4804         { "bar_toggle",         bar_toggle,     {0} },
4805         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4806         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4807         { "float_toggle",       floating_toggle,{0} },
4808         { "version",            version,        {0} },
4809         { "spawn_custom",       dummykeyfunc,   {0} },
4810         { "iconify",            iconify,        {0} },
4811         { "uniconify",          uniconify,      {0} },
4812         { "raise_toggle",       raise_toggle,   {0} },
4813         { "button2",            pressbutton,    {2} },
4814         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4815         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4816         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4817         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4818         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4819         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4820         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4821         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4822         { "name_workspace",     name_workspace, {0} },
4823         { "search_workspace",   search_workspace,       {0} },
4824         { "search_win",         search_win,     {0} },
4825         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4826         { "invalid key func",   NULL,           {0} },
4827 };
4828 struct key {
4829         RB_ENTRY(key)           entry;
4830         unsigned int            mod;
4831         KeySym                  keysym;
4832         enum keyfuncid          funcid;
4833         char                    *spawn_name;
4834 };
4835 RB_HEAD(key_tree, key);
4836
4837 int
4838 key_cmp(struct key *kp1, struct key *kp2)
4839 {
4840         if (kp1->keysym < kp2->keysym)
4841                 return (-1);
4842         if (kp1->keysym > kp2->keysym)
4843                 return (1);
4844
4845         if (kp1->mod < kp2->mod)
4846                 return (-1);
4847         if (kp1->mod > kp2->mod)
4848                 return (1);
4849
4850         return (0);
4851 }
4852
4853 RB_GENERATE(key_tree, key, entry, key_cmp);
4854 struct key_tree                 keys;
4855
4856 /* mouse */
4857 enum { client_click, root_click };
4858 struct button {
4859         unsigned int            action;
4860         unsigned int            mask;
4861         unsigned int            button;
4862         void                    (*func)(struct ws_win *, union arg *);
4863         union arg               args;
4864 } buttons[] = {
4865           /* action     key             mouse button    func    args */
4866         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4867         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4868         { client_click, MODKEY,         Button1,        move,   {0} },
4869 };
4870
4871 void
4872 update_modkey(unsigned int mod)
4873 {
4874         int                     i;
4875         struct key              *kp;
4876
4877         mod_key = mod;
4878         RB_FOREACH(kp, key_tree, &keys)
4879                 if (kp->mod & ShiftMask)
4880                         kp->mod = mod | ShiftMask;
4881                 else
4882                         kp->mod = mod;
4883
4884         for (i = 0; i < LENGTH(buttons); i++)
4885                 if (buttons[i].mask & ShiftMask)
4886                         buttons[i].mask = mod | ShiftMask;
4887                 else
4888                         buttons[i].mask = mod;
4889 }
4890
4891 /* spawn */
4892 struct spawn_prog {
4893         TAILQ_ENTRY(spawn_prog) entry;
4894         char                    *name;
4895         int                     argc;
4896         char                    **argv;
4897 };
4898 TAILQ_HEAD(spawn_list, spawn_prog);
4899 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4900
4901 int
4902 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4903     char ***ret_args)
4904 {
4905         struct spawn_prog       *prog = NULL;
4906         int                     i;
4907         char                    *ap, **real_args;
4908
4909         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4910
4911         /* find program */
4912         TAILQ_FOREACH(prog, &spawns, entry) {
4913                 if (!strcasecmp(spawn_name, prog->name))
4914                         break;
4915         }
4916         if (prog == NULL) {
4917                 warnx("spawn_custom: program %s not found", spawn_name);
4918                 return (-1);
4919         }
4920
4921         /* make room for expanded args */
4922         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4923                 err(1, "spawn_custom: calloc real_args");
4924
4925         /* expand spawn_args into real_args */
4926         for (i = 0; i < prog->argc; i++) {
4927                 ap = prog->argv[i];
4928                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4929                 if (!strcasecmp(ap, "$bar_border")) {
4930                         if ((real_args[i] =
4931                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4932                             == NULL)
4933                                 err(1,  "spawn_custom border color");
4934                 } else if (!strcasecmp(ap, "$bar_color")) {
4935                         if ((real_args[i] =
4936                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4937                             == NULL)
4938                                 err(1, "spawn_custom bar color");
4939                 } else if (!strcasecmp(ap, "$bar_font")) {
4940                         if ((real_args[i] = strdup(bar_fonts))
4941                             == NULL)
4942                                 err(1, "spawn_custom bar fonts");
4943                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4944                         if ((real_args[i] =
4945                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4946                             == NULL)
4947                                 err(1, "spawn_custom color font");
4948                 } else if (!strcasecmp(ap, "$color_focus")) {
4949                         if ((real_args[i] =
4950                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4951                             == NULL)
4952                                 err(1, "spawn_custom color focus");
4953                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4954                         if ((real_args[i] =
4955                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4956                             == NULL)
4957                                 err(1, "spawn_custom color unfocus");
4958                 } else {
4959                         /* no match --> copy as is */
4960                         if ((real_args[i] = strdup(ap)) == NULL)
4961                                 err(1, "spawn_custom strdup(ap)");
4962                 }
4963                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4964                     real_args[i]);
4965         }
4966
4967 #ifdef SWM_DEBUG
4968         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4969         for (i = 0; i < prog->argc; i++)
4970                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4971         DNPRINTF(SWM_D_SPAWN, "\n");
4972 #endif
4973         *ret_args = real_args;
4974         return (prog->argc);
4975 }
4976
4977 void
4978 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4979 {
4980         union arg               a;
4981         char                    **real_args;
4982         int                     spawn_argc, i;
4983
4984         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4985                 return;
4986         a.argv = real_args;
4987         if (fork() == 0)
4988                 spawn(r->ws->idx, &a, 1);
4989
4990         for (i = 0; i < spawn_argc; i++)
4991                 free(real_args[i]);
4992         free(real_args);
4993 }
4994
4995 void
4996 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4997 {
4998         union arg               a;
4999         char                    **real_args;
5000         int                     i, spawn_argc;
5001
5002         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5003                 return;
5004         a.argv = real_args;
5005
5006         if (pipe(select_list_pipe) == -1)
5007                 err(1, "pipe error");
5008         if (pipe(select_resp_pipe) == -1)
5009                 err(1, "pipe error");
5010
5011         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5012                 err(1, "could not disable SIGPIPE");
5013         switch (*pid = fork()) {
5014         case -1:
5015                 err(1, "cannot fork");
5016                 break;
5017         case 0: /* child */
5018                 if (dup2(select_list_pipe[0], 0) == -1)
5019                         err(1, "dup2");
5020                 if (dup2(select_resp_pipe[1], 1) == -1)
5021                         err(1, "dup2");
5022                 close(select_list_pipe[1]);
5023                 close(select_resp_pipe[0]);
5024                 spawn(r->ws->idx, &a, 0);
5025                 break;
5026         default: /* parent */
5027                 close(select_list_pipe[0]);
5028                 close(select_resp_pipe[1]);
5029                 break;
5030         }
5031
5032         for (i = 0; i < spawn_argc; i++)
5033                 free(real_args[i]);
5034         free(real_args);
5035 }
5036
5037 void
5038 spawn_insert(char *name, char *args)
5039 {
5040         char                    *arg, *cp, *ptr;
5041         struct spawn_prog       *sp;
5042
5043         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5044
5045         if ((sp = calloc(1, sizeof *sp)) == NULL)
5046                 err(1, "spawn_insert: malloc");
5047         if ((sp->name = strdup(name)) == NULL)
5048                 err(1, "spawn_insert: strdup");
5049
5050         /* convert the arguments to an argument list */
5051         if ((ptr = cp = strdup(args)) == NULL)
5052                 err(1, "spawn_insert: strdup");
5053         while ((arg = strsep(&ptr, " \t")) != NULL) {
5054                 /* empty field; skip it */
5055                 if (*arg == '\0')
5056                         continue;
5057
5058                 sp->argc++;
5059                 if ((sp->argv = realloc(sp->argv, sp->argc *
5060                     sizeof *sp->argv)) == NULL)
5061                         err(1, "spawn_insert: realloc");
5062                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5063                         err(1, "spawn_insert: strdup");
5064         }
5065         free(cp);
5066
5067         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5068         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5069 }
5070
5071 void
5072 spawn_remove(struct spawn_prog *sp)
5073 {
5074         int                     i;
5075
5076         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5077
5078         TAILQ_REMOVE(&spawns, sp, entry);
5079         for (i = 0; i < sp->argc; i++)
5080                 free(sp->argv[i]);
5081         free(sp->argv);
5082         free(sp->name);
5083         free(sp);
5084
5085         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5086 }
5087
5088 void
5089 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5090 {
5091         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5092
5093         spawn_remove(sp);
5094         spawn_insert(name, args);
5095
5096         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5097 }
5098
5099 void
5100 setspawn(char *name, char *args)
5101 {
5102         struct spawn_prog       *sp;
5103
5104         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5105
5106         if (name == NULL)
5107                 return;
5108
5109         TAILQ_FOREACH(sp, &spawns, entry) {
5110                 if (!strcmp(sp->name, name)) {
5111                         if (*args == '\0')
5112                                 spawn_remove(sp);
5113                         else
5114                                 spawn_replace(sp, name, args);
5115                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5116                         return;
5117                 }
5118         }
5119         if (*args == '\0') {
5120                 warnx("error: setspawn: cannot find program: %s", name);
5121                 return;
5122         }
5123
5124         spawn_insert(name, args);
5125         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5126 }
5127
5128 int
5129 setconfspawn(char *selector, char *value, int flags)
5130 {
5131         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5132
5133         setspawn(selector, value);
5134
5135         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5136         return (0);
5137 }
5138
5139 void
5140 setup_spawn(void)
5141 {
5142         setconfspawn("term",            "xterm",                0);
5143         setconfspawn("spawn_term",      "xterm",                0);
5144         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5145         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5146         setconfspawn("lock",            "xlock",                0);
5147         setconfspawn("initscr",         "initscreen.sh",        0);
5148         setconfspawn("menu",            "dmenu_run"
5149                                         " -fn $bar_font"
5150                                         " -nb $bar_color"
5151                                         " -nf $bar_font_color"
5152                                         " -sb $bar_border"
5153                                         " -sf $bar_color",      0);
5154         setconfspawn("search",          "dmenu"
5155                                         " -i"
5156                                         " -fn $bar_font"
5157                                         " -nb $bar_color"
5158                                         " -nf $bar_font_color"
5159                                         " -sb $bar_border"
5160                                         " -sf $bar_color",      0);
5161         setconfspawn("name_workspace",  "dmenu"
5162                                         " -p Workspace"
5163                                         " -fn $bar_font"
5164                                         " -nb $bar_color"
5165                                         " -nf $bar_font_color"
5166                                         " -sb $bar_border"
5167                                         " -sf $bar_color",      0);
5168 }
5169
5170 /* key bindings */
5171 #define SWM_MODNAME_SIZE        32
5172 #define SWM_KEY_WS              "\n+ \t"
5173 int
5174 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5175 {
5176         char                    *cp, *name;
5177         KeySym                  uks;
5178         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5179         if (mod == NULL || ks == NULL) {
5180                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5181                 return (1);
5182         }
5183         if (keystr == NULL || strlen(keystr) == 0) {
5184                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5185                 return (1);
5186         }
5187         cp = keystr;
5188         *ks = NoSymbol;
5189         *mod = 0;
5190         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5191                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5192                 if (cp)
5193                         cp += (long)strspn(cp, SWM_KEY_WS);
5194                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5195                         *mod |= currmod;
5196                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5197                         *mod |= Mod1Mask;
5198                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5199                         *mod += Mod2Mask;
5200                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5201                         *mod |= Mod3Mask;
5202                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5203                         *mod |= Mod4Mask;
5204                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5205                         *mod |= ShiftMask;
5206                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5207                         *mod |= ControlMask;
5208                 else {
5209                         *ks = XStringToKeysym(name);
5210                         XConvertCase(*ks, ks, &uks);
5211                         if (ks == NoSymbol) {
5212                                 DNPRINTF(SWM_D_KEY,
5213                                     "parsekeys: invalid key %s\n",
5214                                     name);
5215                                 return (1);
5216                         }
5217                 }
5218         }
5219         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5220         return (0);
5221 }
5222
5223 char *
5224 strdupsafe(char *str)
5225 {
5226         if (str == NULL)
5227                 return (NULL);
5228         else
5229                 return (strdup(str));
5230 }
5231
5232 void
5233 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5234 {
5235         struct key              *kp;
5236
5237         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5238             keyfuncs[kfid].name, spawn_name);
5239
5240         if ((kp = malloc(sizeof *kp)) == NULL)
5241                 err(1, "key_insert: malloc");
5242
5243         kp->mod = mod;
5244         kp->keysym = ks;
5245         kp->funcid = kfid;
5246         kp->spawn_name = strdupsafe(spawn_name);
5247         RB_INSERT(key_tree, &keys, kp);
5248
5249         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5250 }
5251
5252 struct key *
5253 key_lookup(unsigned int mod, KeySym ks)
5254 {
5255         struct key              kp;
5256
5257         kp.keysym = ks;
5258         kp.mod = mod;
5259
5260         return (RB_FIND(key_tree, &keys, &kp));
5261 }
5262
5263 void
5264 key_remove(struct key *kp)
5265 {
5266         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5267
5268         RB_REMOVE(key_tree, &keys, kp);
5269         free(kp->spawn_name);
5270         free(kp);
5271
5272         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5273 }
5274
5275 void
5276 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5277     char *spawn_name)
5278 {
5279         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5280             spawn_name);
5281
5282         key_remove(kp);
5283         key_insert(mod, ks, kfid, spawn_name);
5284
5285         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5286 }
5287
5288 void
5289 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5290     char *spawn_name)
5291 {
5292         struct key              *kp;
5293
5294         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5295             keyfuncs[kfid].name, spawn_name);
5296
5297         if ((kp = key_lookup(mod, ks)) != NULL) {
5298                 if (kfid == kf_invalid)
5299                         key_remove(kp);
5300                 else
5301                         key_replace(kp, mod, ks, kfid, spawn_name);
5302                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5303                 return;
5304         }
5305         if (kfid == kf_invalid) {
5306                 warnx("error: setkeybinding: cannot find mod/key combination");
5307                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5308                 return;
5309         }
5310
5311         key_insert(mod, ks, kfid, spawn_name);
5312         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5313 }
5314
5315 int
5316 setconfbinding(char *selector, char *value, int flags)
5317 {
5318         enum keyfuncid          kfid;
5319         unsigned int            mod;
5320         KeySym                  ks;
5321         struct spawn_prog       *sp;
5322         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5323         if (selector == NULL) {
5324                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5325                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5326                         kfid = kf_invalid;
5327                         setkeybinding(mod, ks, kfid, NULL);
5328                         return (0);
5329                 } else
5330                         return (1);
5331         }
5332         /* search by key function name */
5333         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5334                 if (strncasecmp(selector, keyfuncs[kfid].name,
5335                     SWM_FUNCNAME_LEN) == 0) {
5336                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5337                             selector);
5338                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5339                                 setkeybinding(mod, ks, kfid, NULL);
5340                                 return (0);
5341                         } else
5342                                 return (1);
5343                 }
5344         }
5345         /* search by custom spawn name */
5346         TAILQ_FOREACH(sp, &spawns, entry) {
5347                 if (strcasecmp(selector, sp->name) == 0) {
5348                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5349                             selector);
5350                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5351                                 setkeybinding(mod, ks, kf_spawn_custom,
5352                                     sp->name);
5353                                 return (0);
5354                         } else
5355                                 return (1);
5356                 }
5357         }
5358         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5359         return (1);
5360 }
5361
5362 void
5363 setup_keys(void)
5364 {
5365         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5366         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5367         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5368         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5369         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5370         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5371         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5372         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5373         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5374         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5375         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5376         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5377         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5378         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5379         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5380         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5381         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5382         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5383         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5384         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5385         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5386         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5387         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5388         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5389         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5390         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5391         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5392         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5393         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5394         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5395         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5396         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5397         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5398         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5399         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5400         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5401         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5402         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5403         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5404         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5405         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5406         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5407         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5408         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5409         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5410         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5411         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5412         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5413         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5414         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5415         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5416         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5417         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5418         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5419         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5420         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5421         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5422         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5423         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5424         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5425         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5426         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5427         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5428         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5429         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5430         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5431         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5432         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5433         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5434         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5435         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5436         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5437         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5438         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5439         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5440         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5441         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5442         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5443         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5444         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5445         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5446         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5447         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5448         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5449         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5450         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5451         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5452         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5453         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5454         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5455         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5456         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5457         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5458         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5459         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5460         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5461 #ifdef SWM_DEBUG
5462         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5463 #endif
5464 }
5465
5466 void
5467 clear_keys(void)
5468 {
5469         struct key              *kp;
5470
5471         while (RB_EMPTY(&keys) == 0) {
5472                 kp = RB_ROOT(&keys);
5473                 key_remove(kp);
5474         }
5475 }
5476
5477 int
5478 setkeymapping(char *selector, char *value, int flags)
5479 {
5480         char                    keymapping_file[PATH_MAX];
5481         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5482         if (value[0] == '~')
5483                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5484                     pwd->pw_dir, &value[1]);
5485         else
5486                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5487         clear_keys();
5488         /* load new key bindings; if it fails, revert to default bindings */
5489         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5490                 clear_keys();
5491                 setup_keys();
5492         }
5493         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5494         return (0);
5495 }
5496
5497 void
5498 updatenumlockmask(void)
5499 {
5500         unsigned int                            i, j;
5501         xcb_get_modifier_mapping_reply_t        *modmap_r;
5502         xcb_keycode_t                           *modmap, kc;
5503
5504         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5505         numlockmask = 0;
5506
5507         modmap_r = xcb_get_modifier_mapping_reply(conn,
5508                 xcb_get_modifier_mapping(conn),
5509                 NULL);
5510         if (modmap_r) {
5511                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5512                 for (i = 0; i < 8; i++) {
5513                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5514                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5515                                         + j];
5516
5517                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5518                                                 XK_Num_Lock)))
5519                                         numlockmask = (1 << i);
5520                         }
5521                 }
5522                 free(modmap_r);
5523         }
5524 }
5525
5526 void
5527 grabkeys(void)
5528 {
5529         int                     num_screens;
5530         unsigned int            j, k;
5531         xcb_keycode_t           *code;
5532         unsigned int            modifiers[] =
5533             { 0, LockMask, numlockmask, numlockmask | LockMask };
5534         struct key              *kp;
5535
5536         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5537         updatenumlockmask();
5538
5539         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5540         for (k = 0; k < num_screens; k++) {
5541                 if (TAILQ_EMPTY(&screens[k].rl))
5542                         continue;
5543                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5544                         XCB_MOD_MASK_ANY);
5545                 RB_FOREACH(kp, key_tree, &keys) {
5546                         if ((code = xcb_key_symbols_get_keycode(syms,
5547                                         kp->keysym)))
5548                                 for (j = 0; j < LENGTH(modifiers); j++)
5549                                         xcb_grab_key(conn, True,
5550                                             screens[k].root,
5551                                             kp->mod | modifiers[j],
5552                                             *code, XCB_GRAB_MODE_ASYNC,
5553                                             XCB_GRAB_MODE_ASYNC);
5554                 }
5555         }
5556 }
5557
5558 void
5559 grabbuttons(struct ws_win *win, int focused)
5560 {
5561         unsigned int            i, j;
5562         unsigned int            modifiers[] =
5563             { 0, LockMask, numlockmask, numlockmask|LockMask };
5564
5565         updatenumlockmask();
5566         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5567                 XCB_BUTTON_MASK_ANY);
5568         if (focused) {
5569                 for (i = 0; i < LENGTH(buttons); i++)
5570                         if (buttons[i].action == client_click)
5571                                 for (j = 0; j < LENGTH(modifiers); j++)
5572                                         xcb_grab_button(conn, False, win->id,
5573                                                 BUTTONMASK,
5574                                                 XCB_GRAB_MODE_ASYNC,
5575                                                 XCB_GRAB_MODE_SYNC,
5576                                                 XCB_WINDOW_NONE,
5577                                                 XCB_CURSOR_NONE,
5578                                                 buttons[i].button,
5579                                                 buttons[i].mask);
5580         } else
5581                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5582                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5583                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5584                         XCB_BUTTON_MASK_ANY);
5585 }
5586
5587 const char *quirkname[] = {
5588         "NONE",         /* config string for "no value" */
5589         "FLOAT",
5590         "TRANSSZ",
5591         "ANYWHERE",
5592         "XTERM_FONTADJ",
5593         "FULLSCREEN",
5594         "FOCUSPREV",
5595 };
5596
5597 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5598 #define SWM_Q_WS                "\n|+ \t"
5599 int
5600 parsequirks(char *qstr, unsigned long *quirk)
5601 {
5602         char                    *cp, *name;
5603         int                     i;
5604
5605         if (quirk == NULL)
5606                 return (1);
5607
5608         cp = qstr;
5609         *quirk = 0;
5610         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5611                 if (cp)
5612                         cp += (long)strspn(cp, SWM_Q_WS);
5613                 for (i = 0; i < LENGTH(quirkname); i++) {
5614                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5615                                 DNPRINTF(SWM_D_QUIRK,
5616                                     "parsequirks: %s\n", name);
5617                                 if (i == 0) {
5618                                         *quirk = 0;
5619                                         return (0);
5620                                 }
5621                                 *quirk |= 1 << (i-1);
5622                                 break;
5623                         }
5624                 }
5625                 if (i >= LENGTH(quirkname)) {
5626                         DNPRINTF(SWM_D_QUIRK,
5627                             "parsequirks: invalid quirk [%s]\n", name);
5628                         return (1);
5629                 }
5630         }
5631         return (0);
5632 }
5633
5634 void
5635 quirk_insert(const char *class, const char *name, unsigned long quirk)
5636 {
5637         struct quirk            *qp;
5638
5639         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5640             quirk);
5641
5642         if ((qp = malloc(sizeof *qp)) == NULL)
5643                 err(1, "quirk_insert: malloc");
5644         if ((qp->class = strdup(class)) == NULL)
5645                 err(1, "quirk_insert: strdup");
5646         if ((qp->name = strdup(name)) == NULL)
5647                 err(1, "quirk_insert: strdup");
5648
5649         qp->quirk = quirk;
5650         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5651
5652         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5653 }
5654
5655 void
5656 quirk_remove(struct quirk *qp)
5657 {
5658         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5659             qp->name, qp->quirk);
5660
5661         TAILQ_REMOVE(&quirks, qp, entry);
5662         free(qp->class);
5663         free(qp->name);
5664         free(qp);
5665
5666         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5667 }
5668
5669 void
5670 quirk_replace(struct quirk *qp, const char *class, const char *name,
5671     unsigned long quirk)
5672 {
5673         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5674             qp->name, qp->quirk);
5675
5676         quirk_remove(qp);
5677         quirk_insert(class, name, quirk);
5678
5679         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5680 }
5681
5682 void
5683 setquirk(const char *class, const char *name, unsigned long quirk)
5684 {
5685         struct quirk            *qp;
5686
5687         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5688            quirk);
5689
5690         TAILQ_FOREACH(qp, &quirks, entry) {
5691                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5692                         if (!quirk)
5693                                 quirk_remove(qp);
5694                         else
5695                                 quirk_replace(qp, class, name, quirk);
5696                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5697                         return;
5698                 }
5699         }
5700         if (!quirk) {
5701                 warnx("error: setquirk: cannot find class/name combination");
5702                 return;
5703         }
5704
5705         quirk_insert(class, name, quirk);
5706         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5707 }
5708
5709 int
5710 setconfquirk(char *selector, char *value, int flags)
5711 {
5712         char                    *cp, *class, *name;
5713         int                     retval;
5714         unsigned long           quirks;
5715         if (selector == NULL)
5716                 return (0);
5717         if ((cp = strchr(selector, ':')) == NULL)
5718                 return (0);
5719         *cp = '\0';
5720         class = selector;
5721         name = cp + 1;
5722         if ((retval = parsequirks(value, &quirks)) == 0)
5723                 setquirk(class, name, quirks);
5724         return (retval);
5725 }
5726
5727 void
5728 setup_quirks(void)
5729 {
5730         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5731         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5732         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5733         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5734         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5735         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5736         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5737         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5738         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5739         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5740         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5741         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5742         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5743 }
5744
5745 /* conf file stuff */
5746 #define SWM_CONF_FILE           "spectrwm.conf"
5747 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5748
5749 enum {
5750         SWM_S_BAR_ACTION,
5751         SWM_S_BAR_AT_BOTTOM,
5752         SWM_S_BAR_BORDER_WIDTH,
5753         SWM_S_BAR_DELAY,
5754         SWM_S_BAR_ENABLED,
5755         SWM_S_BAR_FONT,
5756         SWM_S_BAR_FORMAT,
5757         SWM_S_BAR_JUSTIFY,
5758         SWM_S_BORDER_WIDTH,
5759         SWM_S_CLOCK_ENABLED,
5760         SWM_S_CLOCK_FORMAT,
5761         SWM_S_CYCLE_EMPTY,
5762         SWM_S_CYCLE_VISIBLE,
5763         SWM_S_DIALOG_RATIO,
5764         SWM_S_DISABLE_BORDER,
5765         SWM_S_FOCUS_CLOSE,
5766         SWM_S_FOCUS_CLOSE_WRAP,
5767         SWM_S_FOCUS_DEFAULT,
5768         SWM_S_FOCUS_MODE,
5769         SWM_S_SPAWN_ORDER,
5770         SWM_S_SPAWN_TERM,
5771         SWM_S_SS_APP,
5772         SWM_S_SS_ENABLED,
5773         SWM_S_STACK_ENABLED,
5774         SWM_S_TERM_WIDTH,
5775         SWM_S_TITLE_CLASS_ENABLED,
5776         SWM_S_TITLE_NAME_ENABLED,
5777         SWM_S_URGENT_ENABLED,
5778         SWM_S_VERBOSE_LAYOUT,
5779         SWM_S_WINDOW_NAME_ENABLED,
5780         SWM_S_WORKSPACE_LIMIT
5781 };
5782
5783 int
5784 setconfvalue(char *selector, char *value, int flags)
5785 {
5786         int     i;
5787         char    *b;
5788
5789         switch (flags) {
5790         case SWM_S_BAR_ACTION:
5791                 free(bar_argv[0]);
5792                 if ((bar_argv[0] = strdup(value)) == NULL)
5793                         err(1, "setconfvalue: bar_action");
5794                 break;
5795         case SWM_S_BAR_AT_BOTTOM:
5796                 bar_at_bottom = atoi(value);
5797                 break;
5798         case SWM_S_BAR_BORDER_WIDTH:
5799                 bar_border_width = atoi(value);
5800                 if (bar_border_width < 0)
5801                         bar_border_width = 0;
5802                 break;
5803         case SWM_S_BAR_DELAY:
5804                 bar_delay = atoi(value);
5805                 break;
5806         case SWM_S_BAR_ENABLED:
5807                 bar_enabled = atoi(value);
5808                 break;
5809         case SWM_S_BAR_FONT:
5810                 b = bar_fonts;
5811                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5812                         err(1, "setconfvalue: asprintf: failed to allocate "
5813                                 "memory for bar_fonts.");
5814
5815                 free(b);
5816                 break;
5817         case SWM_S_BAR_FORMAT:
5818                 free(bar_format);
5819                 if ((bar_format = strdup(value)) == NULL)
5820                         err(1, "setconfvalue: bar_format");
5821                 break;
5822         case SWM_S_BAR_JUSTIFY:
5823                 if (!strcmp(value, "left"))
5824                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5825                 else if (!strcmp(value, "center"))
5826                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5827                 else if (!strcmp(value, "right"))
5828                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5829                 else
5830                         errx(1, "invalid bar_justify");
5831                 break;
5832         case SWM_S_BORDER_WIDTH:
5833                 border_width = atoi(value);
5834                 if (border_width < 0)
5835                         border_width = 0;
5836                 break;
5837         case SWM_S_CLOCK_ENABLED:
5838                 clock_enabled = atoi(value);
5839                 break;
5840         case SWM_S_CLOCK_FORMAT:
5841 #ifndef SWM_DENY_CLOCK_FORMAT
5842                 free(clock_format);
5843                 if ((clock_format = strdup(value)) == NULL)
5844                         err(1, "setconfvalue: clock_format");
5845 #endif
5846                 break;
5847         case SWM_S_CYCLE_EMPTY:
5848                 cycle_empty = atoi(value);
5849                 break;
5850         case SWM_S_CYCLE_VISIBLE:
5851                 cycle_visible = atoi(value);
5852                 break;
5853         case SWM_S_DIALOG_RATIO:
5854                 dialog_ratio = atof(value);
5855                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5856                         dialog_ratio = .6;
5857                 break;
5858         case SWM_S_DISABLE_BORDER:
5859                 disable_border = atoi(value);
5860                 break;
5861         case SWM_S_FOCUS_CLOSE:
5862                 if (!strcmp(value, "first"))
5863                         focus_close = SWM_STACK_BOTTOM;
5864                 else if (!strcmp(value, "last"))
5865                         focus_close = SWM_STACK_TOP;
5866                 else if (!strcmp(value, "next"))
5867                         focus_close = SWM_STACK_ABOVE;
5868                 else if (!strcmp(value, "previous"))
5869                         focus_close = SWM_STACK_BELOW;
5870                 else
5871                         errx(1, "focus_close");
5872                 break;
5873         case SWM_S_FOCUS_CLOSE_WRAP:
5874                 focus_close_wrap = atoi(value);
5875                 break;
5876         case SWM_S_FOCUS_DEFAULT:
5877                 if (!strcmp(value, "last"))
5878                         focus_default = SWM_STACK_TOP;
5879                 else if (!strcmp(value, "first"))
5880                         focus_default = SWM_STACK_BOTTOM;
5881                 else
5882                         errx(1, "focus_default");
5883                 break;
5884         case SWM_S_FOCUS_MODE:
5885                 if (!strcmp(value, "default"))
5886                         focus_mode = SWM_FOCUS_DEFAULT;
5887                 else if (!strcmp(value, "follow_cursor"))
5888                         focus_mode = SWM_FOCUS_FOLLOW;
5889                 else if (!strcmp(value, "synergy"))
5890                         focus_mode = SWM_FOCUS_SYNERGY;
5891                 else
5892                         errx(1, "focus_mode");
5893                 break;
5894         case SWM_S_SPAWN_ORDER:
5895                 if (!strcmp(value, "first"))
5896                         spawn_position = SWM_STACK_BOTTOM;
5897                 else if (!strcmp(value, "last"))
5898                         spawn_position = SWM_STACK_TOP;
5899                 else if (!strcmp(value, "next"))
5900                         spawn_position = SWM_STACK_ABOVE;
5901                 else if (!strcmp(value, "previous"))
5902                         spawn_position = SWM_STACK_BELOW;
5903                 else
5904                         errx(1, "spawn_position");
5905                 break;
5906         case SWM_S_SPAWN_TERM:
5907                 setconfspawn("term", value, 0);
5908                 setconfspawn("spawn_term", value, 0);
5909                 break;
5910         case SWM_S_SS_APP:
5911                 break;
5912         case SWM_S_SS_ENABLED:
5913                 ss_enabled = atoi(value);
5914                 break;
5915         case SWM_S_STACK_ENABLED:
5916                 stack_enabled = atoi(value);
5917                 break;
5918         case SWM_S_TERM_WIDTH:
5919                 term_width = atoi(value);
5920                 if (term_width < 0)
5921                         term_width = 0;
5922                 break;
5923         case SWM_S_TITLE_CLASS_ENABLED:
5924                 title_class_enabled = atoi(value);
5925                 break;
5926         case SWM_S_TITLE_NAME_ENABLED:
5927                 title_name_enabled = atoi(value);
5928                 break;
5929         case SWM_S_URGENT_ENABLED:
5930                 urgent_enabled = atoi(value);
5931                 break;
5932         case SWM_S_VERBOSE_LAYOUT:
5933                 verbose_layout = atoi(value);
5934                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5935                         if (verbose_layout)
5936                                 layouts[i].l_string = fancy_stacker;
5937                         else
5938                                 layouts[i].l_string = plain_stacker;
5939                 }
5940                 break;
5941         case SWM_S_WINDOW_NAME_ENABLED:
5942                 window_name_enabled = atoi(value);
5943                 break;
5944         case SWM_S_WORKSPACE_LIMIT:
5945                 workspace_limit = atoi(value);
5946                 if (workspace_limit > SWM_WS_MAX)
5947                         workspace_limit = SWM_WS_MAX;
5948                 else if (workspace_limit < 1)
5949                         workspace_limit = 1;
5950                 break;
5951         default:
5952                 return (1);
5953         }
5954         return (0);
5955 }
5956
5957 int
5958 setconfmodkey(char *selector, char *value, int flags)
5959 {
5960         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5961                 update_modkey(Mod1Mask);
5962         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5963                 update_modkey(Mod2Mask);
5964         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5965                 update_modkey(Mod3Mask);
5966         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5967                 update_modkey(Mod4Mask);
5968         else
5969                 return (1);
5970         return (0);
5971 }
5972
5973 int
5974 setconfcolor(char *selector, char *value, int flags)
5975 {
5976         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5977         return (0);
5978 }
5979
5980 int
5981 setconfregion(char *selector, char *value, int flags)
5982 {
5983         custom_region(value);
5984         return (0);
5985 }
5986
5987 int
5988 setautorun(char *selector, char *value, int flags)
5989 {
5990         int                     ws_id;
5991         char                    s[1024];
5992         char                    *ap, *sp = s;
5993         union arg               a;
5994         int                     argc = 0;
5995         long                    pid;
5996         struct pid_e            *p;
5997
5998         if (getenv("SWM_STARTED"))
5999                 return (0);
6000
6001         bzero(s, sizeof s);
6002         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6003                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6004         ws_id--;
6005         if (ws_id < 0 || ws_id >= workspace_limit)
6006                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6007
6008         /*
6009          * This is a little intricate
6010          *
6011          * If the pid already exists we simply reuse it because it means it was
6012          * used before AND not claimed by manage_window.  We get away with
6013          * altering it in the parent after INSERT because this can not be a race
6014          */
6015         a.argv = NULL;
6016         while ((ap = strsep(&sp, " \t")) != NULL) {
6017                 if (*ap == '\0')
6018                         continue;
6019                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6020                 argc++;
6021                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6022                         err(1, "setautorun: realloc");
6023                 a.argv[argc - 1] = ap;
6024         }
6025
6026         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6027                 err(1, "setautorun: realloc");
6028         a.argv[argc] = NULL;
6029
6030         if ((pid = fork()) == 0) {
6031                 spawn(ws_id, &a, 1);
6032                 /* NOTREACHED */
6033                 _exit(1);
6034         }
6035         free(a.argv);
6036
6037         /* parent */
6038         p = find_pid(pid);
6039         if (p == NULL) {
6040                 p = calloc(1, sizeof *p);
6041                 if (p == NULL)
6042                         return (1);
6043                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6044         }
6045
6046         p->pid = pid;
6047         p->ws = ws_id;
6048
6049         return (0);
6050 }
6051
6052 int
6053 setlayout(char *selector, char *value, int flags)
6054 {
6055         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6056         int                     st = SWM_V_STACK, num_screens;
6057         char                    s[1024];
6058         struct workspace        *ws;
6059
6060         if (getenv("SWM_STARTED"))
6061                 return (0);
6062
6063         bzero(s, sizeof s);
6064         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6065             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6066                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6067                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6068                     "<type>'");
6069         ws_id--;
6070         if (ws_id < 0 || ws_id >= workspace_limit)
6071                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6072
6073         if (!strcasecmp(s, "vertical"))
6074                 st = SWM_V_STACK;
6075         else if (!strcasecmp(s, "vertical_flip")) {
6076                 st = SWM_V_STACK;
6077                 f = 1;
6078         } else if (!strcasecmp(s, "horizontal"))
6079                 st = SWM_H_STACK;
6080         else if (!strcasecmp(s, "horizontal_flip")) {
6081                 st = SWM_H_STACK;
6082                 f = 1;
6083         } else if (!strcasecmp(s, "fullscreen"))
6084                 st = SWM_MAX_STACK;
6085         else
6086                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6087                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6088                     "<type>'");
6089
6090         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6091         for (i = 0; i < num_screens; i++) {
6092                 ws = (struct workspace *)&screens[i].ws;
6093                 ws[ws_id].cur_layout = &layouts[st];
6094
6095                 ws[ws_id].always_raise = raise;
6096                 if (st == SWM_MAX_STACK)
6097                         continue;
6098
6099                 /* master grow */
6100                 for (x = 0; x < abs(mg); x++) {
6101                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6102                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6103                             SWM_ARG_ID_MASTERSHRINK);
6104                         stack();
6105                 }
6106                 /* master add */
6107                 for (x = 0; x < abs(ma); x++) {
6108                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6109                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6110                             SWM_ARG_ID_MASTERDEL);
6111                         stack();
6112                 }
6113                 /* stack inc */
6114                 for (x = 0; x < abs(si); x++) {
6115                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6116                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6117                             SWM_ARG_ID_STACKDEC);
6118                         stack();
6119                 }
6120                 /* Apply flip */
6121                 if (f) {
6122                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6123                             SWM_ARG_ID_FLIPLAYOUT);
6124                         stack();
6125                 }
6126         }
6127
6128         return (0);
6129 }
6130
6131 /* config options */
6132 struct config_option {
6133         char                    *optname;
6134         int                     (*func)(char*, char*, int);
6135         int                     funcflags;
6136 };
6137 struct config_option configopt[] = {
6138         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6139         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6140         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6141         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6142         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6143         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6144         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6145         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6146         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6147         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6148         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6149         { "keyboard_mapping",           setkeymapping,  0 },
6150         { "bind",                       setconfbinding, 0 },
6151         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6152         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6153         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6154         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6155         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6156         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6157         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6158         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6159         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6160         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6161         { "modkey",                     setconfmodkey,  0 },
6162         { "program",                    setconfspawn,   0 },
6163         { "quirk",                      setconfquirk,   0 },
6164         { "region",                     setconfregion,  0 },
6165         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6166         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6167         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6168         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6169         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6170         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6171         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6172         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6173         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6174         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6175         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6176         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6177         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6178         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6179         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6180         { "autorun",                    setautorun,     0 },
6181         { "layout",                     setlayout,      0 },
6182 };
6183
6184
6185 int
6186 conf_load(char *filename, int keymapping)
6187 {
6188         FILE                    *config;
6189         char                    *line, *cp, *optsub, *optval;
6190         size_t                  linelen, lineno = 0;
6191         int                     wordlen, i, optind;
6192         struct config_option    *opt;
6193
6194         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6195
6196         if (filename == NULL) {
6197                 warnx("conf_load: no filename");
6198                 return (1);
6199         }
6200         if ((config = fopen(filename, "r")) == NULL) {
6201                 warn("conf_load: fopen: %s", filename);
6202                 return (1);
6203         }
6204
6205         while (!feof(config)) {
6206                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6207                     == NULL) {
6208                         if (ferror(config))
6209                                 err(1, "%s", filename);
6210                         else
6211                                 continue;
6212                 }
6213                 cp = line;
6214                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6215                 if (cp[0] == '\0') {
6216                         /* empty line */
6217                         free(line);
6218                         continue;
6219                 }
6220                 /* get config option */
6221                 wordlen = strcspn(cp, "=[ \t\n");
6222                 if (wordlen == 0) {
6223                         warnx("%s: line %zd: no option found",
6224                             filename, lineno);
6225                         goto out;
6226                 }
6227                 optind = -1;
6228                 for (i = 0; i < LENGTH(configopt); i++) {
6229                         opt = &configopt[i];
6230                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6231                             strlen(opt->optname) == wordlen) {
6232                                 optind = i;
6233                                 break;
6234                         }
6235                 }
6236                 if (optind == -1) {
6237                         warnx("%s: line %zd: unknown option %.*s",
6238                             filename, lineno, wordlen, cp);
6239                         goto out;
6240                 }
6241                 if (keymapping && strcmp(opt->optname, "bind")) {
6242                         warnx("%s: line %zd: invalid option %.*s",
6243                             filename, lineno, wordlen, cp);
6244                         goto out;
6245                 }
6246                 cp += wordlen;
6247                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6248                 /* get [selector] if any */
6249                 optsub = NULL;
6250                 if (*cp == '[') {
6251                         cp++;
6252                         wordlen = strcspn(cp, "]");
6253                         if (*cp != ']') {
6254                                 if (wordlen == 0) {
6255                                         warnx("%s: line %zd: syntax error",
6256                                             filename, lineno);
6257                                         goto out;
6258                                 }
6259
6260                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6261                                     -1) {
6262                                         warnx("%s: line %zd: unable to allocate"
6263                                             "memory for selector", filename,
6264                                             lineno);
6265                                         goto out;
6266                                 }
6267                         }
6268                         cp += wordlen;
6269                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6270                 }
6271                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6272                 /* get RHS value */
6273                 optval = strdup(cp);
6274                 /* call function to deal with it all */
6275                 if (configopt[optind].func(optsub, optval,
6276                     configopt[optind].funcflags) != 0)
6277                         errx(1, "%s: line %zd: invalid data for %s",
6278                             filename, lineno, configopt[optind].optname);
6279                 free(optval);
6280                 free(optsub);
6281                 free(line);
6282         }
6283
6284         fclose(config);
6285         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6286
6287         return (0);
6288
6289 out:
6290         free(line);
6291         fclose(config);
6292         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6293
6294         return (1);
6295 }
6296
6297 void
6298 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6299 {
6300         struct ws_win           *parent, *w;
6301         struct swm_region       *r;
6302         struct workspace        *ws;
6303         xcb_icccm_wm_hints_t    wmh;
6304
6305         parent = find_window(win->transient);
6306         if (parent)
6307                 parent->child_trans = win;
6308         else {
6309                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6310                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6311
6312                 r = root_to_region(win->wa->root);
6313                 ws = r->ws;
6314                 /* parent doen't exist in our window list */
6315                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6316                         if (xcb_icccm_get_wm_hints_reply(conn,
6317                                         xcb_icccm_get_wm_hints(conn, w->id),
6318                                         &wmh, NULL) != 1) {
6319                                 warnx("can't get hints for 0x%x", w->id);
6320                                 continue;
6321                         }
6322
6323                         if (win->hints.window_group != wmh.window_group)
6324                                 continue;
6325
6326                         w->child_trans = win;
6327                         win->transient = w->id;
6328                         *trans = w->id;
6329                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6330                             "transient to 0x%x\n", win->transient);
6331                         break;
6332                 }
6333         }
6334 }
6335
6336 long
6337 window_get_pid(xcb_window_t win)
6338 {
6339         long                            ret = 0;
6340         const char                      *errstr;
6341         xcb_atom_t                      apid;
6342         xcb_get_property_cookie_t       pc;
6343         xcb_get_property_reply_t        *pr;
6344
6345         apid = get_atom_from_string("_NET_WM_PID");
6346         if (apid == XCB_ATOM_NONE)
6347                 goto tryharder;
6348
6349         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6350         pr = xcb_get_property_reply(conn, pc, NULL);
6351         if (!pr)
6352                 goto tryharder;
6353         if (pr->type != XCB_ATOM_CARDINAL)
6354                 goto tryharder;
6355
6356         ret = *(long *)xcb_get_property_value(pr);
6357         free(pr);
6358
6359         return (ret);
6360
6361 tryharder:
6362         apid = get_atom_from_string("_SWM_PID");
6363         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6364                 0, SWM_PROPLEN);
6365         pr = xcb_get_property_reply(conn, pc, NULL);
6366         if (!pr)
6367                 return (0);
6368         if (pr->type != XCB_ATOM_STRING)
6369                 free(pr);
6370                 return (0);
6371         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6372         free(pr);
6373
6374         return (ret);
6375 }
6376
6377 struct ws_win *
6378 manage_window(xcb_window_t id)
6379 {
6380         xcb_window_t            trans = XCB_WINDOW_NONE;
6381         struct workspace        *ws;
6382         struct ws_win           *win, *ww;
6383         int                     i, ws_idx, border_me = 0;
6384         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6385         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6386         size_t                  proplen;
6387         struct swm_region       *r;
6388         const char              *errstr;
6389         struct pid_e            *p;
6390         struct quirk            *qp;
6391         uint32_t                event_mask;
6392         xcb_atom_t              prot;
6393         xcb_get_property_reply_t        *gpr;
6394         xcb_icccm_get_wm_protocols_reply_t      wpr;
6395
6396         if ((win = find_window(id)) != NULL)
6397                 return (win);   /* already being managed */
6398
6399         /* see if we are on the unmanaged list */
6400         if ((win = find_unmanaged_window(id)) != NULL) {
6401                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6402                     "window: 0x%x\n", win->id);
6403                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6404                 if (win->transient)
6405                         set_child_transient(win, &trans);
6406
6407                 if (trans && (ww = find_window(trans)))
6408                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6409                 else if ((ww = win->ws->focus) &&
6410                     spawn_position == SWM_STACK_ABOVE)
6411                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6412                             win, entry);
6413                 else if (ww && spawn_position == SWM_STACK_BELOW)
6414                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6415                 else switch (spawn_position) {
6416                 default:
6417                 case SWM_STACK_TOP:
6418                 case SWM_STACK_ABOVE:
6419                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6420                         break;
6421                 case SWM_STACK_BOTTOM:
6422                 case SWM_STACK_BELOW:
6423                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6424                 }
6425
6426                 ewmh_update_actions(win);
6427                 return (win);
6428         }
6429
6430         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6431                 err(1, "manage_window: calloc: failed to allocate memory for "
6432                     "new window");
6433
6434         win->id = id;
6435         win->bordered = 0;
6436
6437         /* see if we need to override the workspace */
6438         p = find_pid(window_get_pid(id));
6439
6440         /* Get all the window data in one shot */
6441         ws_idx_atom = get_atom_from_string("_SWM_WS");
6442         if (ws_idx_atom) {
6443                 gpr = xcb_get_property_reply(conn,
6444                         xcb_get_property(conn, False, id, ws_idx_atom,
6445                                 XCB_ATOM_STRING, 0, SWM_PROPLEN),
6446                         NULL);
6447                 if (gpr) {
6448                         proplen = xcb_get_property_value_length(gpr);
6449                         if (proplen > 0) {
6450                                 prop = malloc(proplen + 1);
6451                                 if (prop) {
6452                                         memcpy(prop,
6453                                             xcb_get_property_value(gpr),
6454                                             proplen);
6455                                         prop[proplen] = '\0';
6456                                 }
6457                         }
6458                         free(gpr);
6459                 }
6460         }
6461         win->wa = xcb_get_geometry_reply(conn,
6462                 xcb_get_geometry(conn, id),
6463                 NULL);
6464         xcb_icccm_get_wm_normal_hints_reply(conn,
6465                 xcb_icccm_get_wm_normal_hints(conn, id),
6466                 &win->sh, NULL);
6467         xcb_icccm_get_wm_hints_reply(conn,
6468                 xcb_icccm_get_wm_hints(conn, id),
6469                 &win->hints, NULL);
6470         xcb_icccm_get_wm_transient_for_reply(conn,
6471                 xcb_icccm_get_wm_transient_for(conn, id),
6472                 &trans, NULL);
6473         if (trans) {
6474                 win->transient = trans;
6475                 set_child_transient(win, &trans);
6476                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6477                     "transient: 0x%x\n", win->id, win->transient);
6478         }
6479
6480         prot = get_atom_from_string("WM_PROTOCOLS");
6481
6482         /* get supported protocols */
6483         if (xcb_icccm_get_wm_protocols_reply(conn,
6484                         xcb_icccm_get_wm_protocols(conn, id, prot),
6485                         &wpr, NULL)) {
6486                 for (i = 0; i < wpr.atoms_len; i++) {
6487                         if (wpr.atoms[i] == takefocus)
6488                                 win->take_focus = 1;
6489                         if (wpr.atoms[i] == adelete)
6490                                 win->can_delete = 1;
6491                 }
6492                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6493         }
6494
6495         win->iconic = get_iconic(win);
6496
6497         /*
6498          * Figure out where to put the window. If it was previously assigned to
6499          * a workspace (either by spawn() or manually moving), and isn't
6500          * transient, * put it in the same workspace
6501          */
6502         r = root_to_region(win->wa->root);
6503         if (p) {
6504                 ws = &r->s->ws[p->ws];
6505                 TAILQ_REMOVE(&pidlist, p, entry);
6506                 free(p);
6507                 p = NULL;
6508         } else if (prop && win->transient == 0) {
6509                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6510                 ws_idx = strtonum(prop, 0, workspace_limit - 1,
6511                     &errstr);
6512                 if (errstr) {
6513                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6514                             errstr, prop);
6515                 }
6516                 ws = &r->s->ws[ws_idx];
6517         } else {
6518                 ws = r->ws;
6519                 /* this should launch transients in the same ws as parent */
6520                 if (id && trans)
6521                         if ((ww = find_window(trans)) != NULL)
6522                                 if (ws->r) {
6523                                         ws = ww->ws;
6524                                         if (ww->ws->r)
6525                                                 r = ww->ws->r;
6526                                         else
6527                                                 warnx("manage_window: fix this "
6528                                                     "bug mcbride");
6529                                         border_me = 1;
6530                                 }
6531         }
6532
6533         /* set up the window layout */
6534         win->id = id;
6535         win->ws = ws;
6536         win->s = r->s;  /* this never changes */
6537         if (trans && (ww = find_window(trans)))
6538                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6539         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6540                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6541                     entry);
6542         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6543                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6544         else switch (spawn_position) {
6545         default:
6546         case SWM_STACK_TOP:
6547         case SWM_STACK_ABOVE:
6548                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6549                 break;
6550         case SWM_STACK_BOTTOM:
6551         case SWM_STACK_BELOW:
6552                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6553         }
6554
6555         /* ignore window border if there is one. */
6556         WIDTH(win) = win->wa->width;
6557         HEIGHT(win) = win->wa->height;
6558         X(win) = win->wa->x + win->wa->border_width;
6559         Y(win) = win->wa->y + win->wa->border_width;
6560         win->bordered = 0;
6561         win->g_floatvalid = 0;
6562         win->floatmaxed = 0;
6563         win->ewmh_flags = 0;
6564
6565         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6566             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6567             HEIGHT(win), ws->idx);
6568
6569         constrain_window(win, r, 0);
6570
6571         /* Set window properties so we can remember this after reincarnation */
6572         if (ws_idx_atom && prop == NULL &&
6573             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6574                 SWM_PROPLEN) {
6575                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6576                     ws_idx_str);
6577                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6578                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6579                         ws_idx_str);
6580         }
6581         if (prop)
6582                 free(prop);
6583
6584         ewmh_autoquirk(win);
6585
6586         if (xcb_icccm_get_wm_class_reply(conn,
6587                         xcb_icccm_get_wm_class(conn, win->id),
6588                         &win->ch, NULL)) {
6589                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6590                     win->ch.class_name, win->ch.instance_name);
6591
6592                 /* java is retarded so treat it special */
6593                 if (strstr(win->ch.instance_name, "sun-awt")) {
6594                         win->java = 1;
6595                         border_me = 1;
6596                 }
6597
6598                 TAILQ_FOREACH(qp, &quirks, entry) {
6599                         if (!strcmp(win->ch.class_name, qp->class) &&
6600                             !strcmp(win->ch.instance_name, qp->name)) {
6601                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6602                                     "class: %s, name: %s\n", win->ch.class_name,
6603                                     win->ch.instance_name);
6604                                 if (qp->quirk & SWM_Q_FLOAT) {
6605                                         win->floating = 1;
6606                                         border_me = 1;
6607                                 }
6608                                 win->quirks = qp->quirk;
6609                         }
6610                 }
6611         }
6612
6613         /* alter window position if quirky */
6614         if (win->quirks & SWM_Q_ANYWHERE) {
6615                 win->manual = 1; /* don't center the quirky windows */
6616                 if (bar_enabled && Y(win) < bar_height)
6617                         Y(win) = bar_height;
6618                 if (WIDTH(win) + X(win) > WIDTH(r))
6619                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6620                 border_me = 1;
6621         }
6622
6623         /* Reset font sizes (the bruteforce way; no default keybinding). */
6624         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6625                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6626                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6627                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6628                         fake_keypress(win, XK_KP_Add, ShiftMask);
6629         }
6630
6631         ewmh_get_win_state(win);
6632         ewmh_update_actions(win);
6633         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6634
6635         /* border me */
6636         if (border_me) {
6637                 win->bordered = 1;
6638                 X(win) -= border_width;
6639                 Y(win) -= border_width;
6640                 update_window(win);
6641         }
6642
6643         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6644                         XCB_EVENT_MASK_PROPERTY_CHANGE |
6645                         XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6646
6647         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6648
6649         /* floaters need to be mapped if they are in the current workspace */
6650         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6651                 map_window_raised(win->id);
6652
6653         return (win);
6654 }
6655
6656 void
6657 free_window(struct ws_win *win)
6658 {
6659         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6660
6661         if (win == NULL)
6662                 return;
6663
6664         /* needed for restart wm */
6665         set_win_state(win, XCB_ICCCM_WM_STATE_WITHDRAWN);
6666
6667         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6668
6669         if (win->wa)
6670                 free(win->wa);
6671
6672         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6673
6674         kill_refs(win);
6675
6676         /* paint memory */
6677         memset(win, 0xff, sizeof *win); /* XXX kill later */
6678
6679         free(win);
6680 }
6681
6682 void
6683 unmanage_window(struct ws_win *win)
6684 {
6685         struct ws_win           *parent;
6686         xcb_screen_t            *screen;
6687
6688         if (win == NULL)
6689                 return;
6690
6691         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6692
6693         if (win->transient) {
6694                 parent = find_window(win->transient);
6695                 if (parent)
6696                         parent->child_trans = NULL;
6697         }
6698
6699         /* focus on root just in case */
6700         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6701         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6702                 screen->root, XCB_CURRENT_TIME);
6703
6704         focus_prev(win);
6705
6706         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6707         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6708 }
6709
6710 void
6711 focus_magic(struct ws_win *win)
6712 {
6713         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6714
6715         if (win == NULL) {
6716                 /* if there are no windows clear the status-bar */
6717                 bar_update();
6718                 return;
6719         }
6720
6721         if (win->child_trans) {
6722                 /* win = parent & has a transient so focus on that */
6723                 if (win->java) {
6724                         focus_win(win->child_trans);
6725                         if (win->child_trans->take_focus)
6726                                 client_msg(win, takefocus);
6727                 } else {
6728                         /* make sure transient hasn't disappeared */
6729                         if (validate_win(win->child_trans) == 0) {
6730                                 focus_win(win->child_trans);
6731                                 if (win->child_trans->take_focus)
6732                                         client_msg(win->child_trans, takefocus);
6733                         } else {
6734                                 win->child_trans = NULL;
6735                                 focus_win(win);
6736                                 if (win->take_focus)
6737                                         client_msg(win, takefocus);
6738                         }
6739                 }
6740         } else {
6741                 /* regular focus */
6742                 focus_win(win);
6743                 if (win->take_focus)
6744                         client_msg(win, takefocus);
6745         }
6746 }
6747
6748 void
6749 expose(xcb_expose_event_t *e)
6750 {
6751         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6752 }
6753
6754 void
6755 keypress(xcb_key_press_event_t *e)
6756 {
6757         KeySym                  keysym;
6758         struct key              *kp;
6759         struct swm_region       *r;
6760
6761         keysym = XkbKeycodeToKeysym(display, (KeyCode)e->detail, 0, 0);
6762
6763         DNPRINTF(SWM_D_EVENT, "keypress: %u\n", e->detail);
6764
6765         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6766                 return;
6767         if (keyfuncs[kp->funcid].func == NULL)
6768                 return;
6769
6770         r = root_to_region(e->root);
6771         if (kp->funcid == kf_spawn_custom)
6772                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6773         else
6774                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6775 }
6776
6777 void
6778 buttonpress(xcb_button_press_event_t *e)
6779 {
6780         struct ws_win           *win;
6781         int                     i, action;
6782
6783         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x\n", e->event);
6784
6785         if ((win = find_window(e->event)) == NULL)
6786                 return;
6787
6788         focus_magic(win);
6789         action = client_click;
6790
6791         for (i = 0; i < LENGTH(buttons); i++)
6792                 if (action == buttons[i].action && buttons[i].func &&
6793                     buttons[i].button == e->detail &&
6794                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6795                         buttons[i].func(win, &buttons[i].args);
6796 }
6797
6798 void
6799 configurerequest(xcb_configure_request_event_t *e)
6800 {
6801         struct ws_win           *win;
6802         int                     new = 0, i = 0;
6803         uint16_t                mask = 0;
6804         uint32_t                wc[7];
6805
6806         if ((win = find_window(e->window)) == NULL)
6807                 if ((win = find_unmanaged_window(e->window)) == NULL)
6808                         new = 1;
6809
6810         if (new) {
6811                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6812                         mask |= XCB_CONFIG_WINDOW_X;
6813                         wc[i++] = e->x;
6814                 }
6815                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6816                         mask |= XCB_CONFIG_WINDOW_Y;
6817                         wc[i++] = e->y;
6818                 }
6819                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6820                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6821                         wc[i++] = e->width;
6822                 }
6823                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6824                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6825                         wc[i++] = e->height;
6826                 }
6827                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6828                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6829                         wc[i++] = e->border_width;
6830                 }
6831                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6832                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6833                         wc[i++] = e->sibling;
6834                 }
6835                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6836                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6837                         wc[i++] = e->stack_mode;
6838                 }
6839
6840                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6841                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", e->window,
6842                     YESNO(new), wc[0], wc[1], wc[2], wc[3]);
6843
6844                 xcb_configure_window(conn, e->window, mask, wc);
6845         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6846             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6847                 win->g_float.x = e->x - X(win->ws->r);
6848                 win->g_float.y = e->y - Y(win->ws->r);
6849                 win->g_float.w = e->width;
6850                 win->g_float.h = e->height;
6851                 win->g_floatvalid = 1;
6852
6853                 if (win->floating) {
6854                         win->g = win->g_float;
6855                         win->g.x += X(win->ws->r);
6856                         win->g.y += Y(win->ws->r);
6857                         update_window(win);
6858                 } else {
6859                         config_win(win, e);
6860                 }
6861         } else {
6862                 config_win(win, e);
6863         }
6864 }
6865
6866 void
6867 configurenotify(xcb_configure_notify_event_t *e)
6868 {
6869         struct ws_win           *win;
6870
6871         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
6872             e->window);
6873
6874         win = find_window(e->window);
6875         if (win) {
6876                 xcb_icccm_get_wm_normal_hints_reply(conn,
6877                         xcb_icccm_get_wm_normal_hints(conn, win->id),
6878                         &win->sh, NULL);
6879                 adjust_font(win);
6880                 if (font_adjusted)
6881                         stack();
6882         }
6883 }
6884
6885 void
6886 destroynotify(xcb_destroy_notify_event_t *e)
6887 {
6888         struct ws_win           *win;
6889
6890         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
6891
6892         if ((win = find_window(e->window)) == NULL) {
6893                 if ((win = find_unmanaged_window(e->window)) == NULL)
6894                         return;
6895                 free_window(win);
6896                 return;
6897         }
6898
6899         /* make sure we focus on something */
6900         win->floating = 0;
6901
6902         unmanage_window(win);
6903         stack();
6904         free_window(win);
6905 }
6906
6907 void
6908 enternotify(xcb_enter_notify_event_t *e)
6909 {
6910         struct ws_win           *win;
6911 #if 0
6912         struct ws_win           *w;
6913         Window                  focus_return;
6914         int                     revert_to_return;
6915 #endif
6916         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %d, detail: "
6917             "%d, root: 0x%x, subwindow: 0x%x, same_screen_focus: %s, "
6918             "state: %d\n", e->event, e->mode, e->detail, e->root,
6919             e->child, YESNO(e->same_screen_focus), e->state);
6920
6921         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
6922                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6923                     "cursor grab.\n");
6924                 return;
6925         }
6926
6927         switch (focus_mode) {
6928         case SWM_FOCUS_DEFAULT:
6929                 break;
6930         case SWM_FOCUS_FOLLOW:
6931                 break;
6932         case SWM_FOCUS_SYNERGY:
6933 #if 0
6934         /*
6935          * all these checks need to be in this order because the
6936          * XCheckTypedWindowEvent relies on weeding out the previous events
6937          *
6938          * making this code an option would enable a follow mouse for focus
6939          * feature
6940          */
6941
6942         /*
6943          * state is set when we are switching workspaces and focus is set when
6944          * the window or a subwindow already has focus (occurs during restart).
6945          *
6946          * Only honor the focus flag if last_focus_event is not FocusOut,
6947          * this allows spectrwm to continue to control focus when another
6948          * program is also playing with it.
6949          */
6950         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6951                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6952                 return;
6953         }
6954
6955         /*
6956          * happens when a window is created or destroyed and the border
6957          * crosses the mouse pointer and when switching ws
6958          *
6959          * we need the subwindow test to see if we came from root in order
6960          * to give focus to floaters
6961          */
6962         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6963             ev->subwindow == 0) {
6964                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6965                 return;
6966         }
6967
6968         /* this window already has focus */
6969         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6970                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6971                 return;
6972         }
6973
6974         /* this window is being deleted or moved to another ws */
6975         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6976             &cne) == True) {
6977                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6978                 XPutBackEvent(display, &cne);
6979                 return;
6980         }
6981
6982         if ((win = find_window(ev->window)) == NULL) {
6983                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6984                 return;
6985         }
6986
6987         /*
6988          * In fullstack kill all enters unless they come from a different ws
6989          * (i.e. another region) or focus has been grabbed externally.
6990          */
6991         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6992             last_focus_event != FocusOut) {
6993                 XGetInputFocus(display, &focus_return, &revert_to_return);
6994                 if ((w = find_window(focus_return)) == NULL ||
6995                     w->ws == win->ws) {
6996                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6997                         return;
6998                 }
6999         }
7000 #endif
7001                 break;
7002         }
7003
7004         if ((win = find_window(e->event)) == NULL) {
7005                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7006                 return;
7007         }
7008
7009         focus_magic(win);
7010 }
7011
7012 /* lets us use one switch statement for arbitrary mode/detail combinations */
7013 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7014
7015 void
7016 mapnotify(xcb_map_notify_event_t *e)
7017 {
7018         struct ws_win           *win;
7019
7020         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
7021
7022         win = manage_window(e->window);
7023         if (win)
7024                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7025
7026         /*
7027          * focus_win can only set input focus on a mapped window.
7028          * make sure the window really has focus since it is just being mapped.
7029          */
7030         if (win->ws->focus == win)
7031                 focus_win(win);
7032 }
7033
7034 void
7035 mappingnotify(xcb_mapping_notify_event_t *e)
7036 {
7037         xcb_refresh_keyboard_mapping(syms, e);
7038
7039         if (e->request == XCB_MAPPING_KEYBOARD)
7040                 grabkeys();
7041 }
7042
7043 void
7044 maprequest(xcb_map_request_event_t *e)
7045 {
7046         struct ws_win           *win;
7047         struct swm_region       *r;
7048         xcb_get_window_attributes_reply_t *war;
7049
7050         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
7051             e->window);
7052
7053         war = xcb_get_window_attributes_reply(conn,
7054                 xcb_get_window_attributes(conn, e->window),
7055                 NULL);
7056         if (!war)
7057                 return;
7058         if (war->override_redirect) {
7059                 free(war);
7060                 return;
7061         }
7062         free(war);
7063
7064         win = manage_window(e->window);
7065         if (win == NULL) {
7066                 return; /* can't happen */
7067         }
7068
7069         stack();
7070
7071         /* make new win focused */
7072         r = root_to_region(win->wa->root);
7073         if (win->ws == r->ws)
7074                 focus_magic(win);
7075 }
7076
7077 void
7078 propertynotify(xcb_property_notify_event_t *e)
7079 {
7080         struct ws_win           *win;
7081 #ifdef SWM_DEBUG
7082         char                            *name;
7083         size_t                          len;
7084         xcb_get_atom_name_reply_t       *r;
7085
7086         r = xcb_get_atom_name_reply(conn,
7087                 xcb_get_atom_name(conn, e->atom),
7088                 NULL);
7089         if (r) {
7090                 len = xcb_get_atom_name_name_length(r);
7091                 if (len > 0) {
7092                         name = malloc(len + 1);
7093                         if (name) {
7094                                 memcpy(name, xcb_get_atom_name_name(r), len);
7095                                 name[len] = '\0';
7096
7097                                 DNPRINTF(SWM_D_EVENT,
7098                                         "propertynotify: window: 0x%x, "
7099                                         "atom: %s\n",
7100                                         e->window, name);
7101                                 free(name);
7102                         }
7103                 }
7104                 free(r);
7105         }
7106 #endif
7107
7108         win = find_window(e->window);
7109         if (win == NULL)
7110                 return;
7111
7112         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7113                 update_iconic(win, 0);
7114                 map_window_raised(win->id);
7115                 stack();
7116                 focus_win(win);
7117                 return;
7118         }
7119
7120         switch (e->atom) {
7121 #if 0
7122         case XCB_ATOM_WM_NORMAL_HINTS:
7123                 xcb_icccm_get_wm_normal_hints(conn,
7124                         xcb_iccom_get_wm_normal_hints(conn, win->id),
7125                         &win->sh, NULL);
7126                 warnx("normal hints: flag 0x%x", win->sh.flags);
7127                 if (win->sh.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
7128                         WIDTH(win) = win->sh.min_width;
7129                         HEIGHT(win) = win->sh.min_height;
7130                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7131                 }
7132                 XMoveResizeWindow(display, win->id,
7133                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7134 #endif
7135         case XCB_ATOM_WM_CLASS:
7136         case XCB_ATOM_WM_NAME:
7137                 bar_update();
7138                 break;
7139         default:
7140                 break;
7141         }
7142 }
7143
7144 void
7145 unmapnotify(xcb_unmap_notify_event_t *e)
7146 {
7147         struct ws_win           *win;
7148
7149         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7150
7151         /* determine if we need to help unmanage this window */
7152         win = find_window(e->window);
7153         if (win == NULL)
7154                 return;
7155
7156         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7157                 unmanage_window(win);
7158                 stack();
7159
7160                 /* resend unmap because we ated it */
7161                 xcb_unmap_window(conn, e->window);
7162         }
7163 }
7164
7165 void
7166 visibilitynotify(xcb_visibility_notify_event_t *e)
7167 {
7168         int                     i, num_screens;
7169         struct swm_region       *r;
7170
7171         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7172             e->window);
7173
7174         if (e->state == XCB_VISIBILITY_UNOBSCURED) {
7175                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7176                 for (i = 0; i < num_screens; i++)
7177                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7178                                 if (e->window == WINID(r->bar))
7179                                         bar_update();
7180         }
7181 }
7182
7183 void
7184 clientmessage(xcb_client_message_event_t *e)
7185 {
7186         struct ws_win *win;
7187
7188         win = find_window(e->window);
7189         if (win == NULL)
7190                 return;
7191         }
7192
7193         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, type: %u\n",
7194             e->window, e->response_type);
7195
7196         if (e->response_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7197                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7198                 focus_win(win);
7199         }
7200         if (e->response_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7201                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7202                 if (win->can_delete)
7203                         client_msg(win, adelete);
7204                 else
7205                         xcb_kill_client(conn, win->id);
7206         }
7207         if (e->response_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7208                 DNPRINTF(SWM_D_EVENT,
7209                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7210                 if (win->floating) {
7211                         if (e->data.data32[0] & (1<<8)) /* x */
7212                                 X(win) = e->data.data32[1];
7213                         if (e->data.data32[0] & (1<<9)) /* y */
7214                                 Y(win) = e->data.data32[2];
7215                         if (e->data.data32[0] & (1<<10)) /* width */
7216                                 WIDTH(win) = e->data.data32[3];
7217                         if (e->data.data32[0] & (1<<11)) /* height */
7218                                 HEIGHT(win) = e->data.data32[4];
7219
7220                         update_window(win);
7221                 }
7222                 else {
7223                         /* TODO: Change stack sizes */
7224                         /* notify no change was made. */
7225                         config_win(win, NULL);
7226                 }
7227         }
7228         if (e->response_type == ewmh[_NET_WM_STATE].atom) {
7229                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7230                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7231                 if (e->data.data32[2])
7232                         ewmh_update_win_state(win, e->data.data32[2],
7233                             e->data.data32[0]);
7234
7235                 stack();
7236         }
7237 }
7238
7239 int
7240 xerror_start(Display *d, XErrorEvent *ee)
7241 {
7242         other_wm = 1;
7243         return (-1);
7244 }
7245
7246 int
7247 xerror(Display *d, XErrorEvent *ee)
7248 {
7249         /* warnx("error: %p %p", display, ee); */
7250         return (-1);
7251 }
7252
7253 int
7254 active_wm(void)
7255 {
7256         other_wm = 0;
7257         xerrorxlib = XSetErrorHandler(xerror_start);
7258
7259         /* this causes an error if some other window manager is running */
7260         XSelectInput(display, DefaultRootWindow(display),
7261             SubstructureRedirectMask);
7262         do_sync();
7263         if (other_wm)
7264                 return (1);
7265
7266         XSetErrorHandler(xerror);
7267         do_sync();
7268         return (0);
7269 }
7270
7271 void
7272 new_region(struct swm_screen *s, int x, int y, int w, int h)
7273 {
7274         struct swm_region       *r, *n;
7275         struct workspace        *ws = NULL;
7276         int                     i;
7277
7278         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7279              s->idx, w, h, x, y);
7280
7281         /* remove any conflicting regions */
7282         n = TAILQ_FIRST(&s->rl);
7283         while (n) {
7284                 r = n;
7285                 n = TAILQ_NEXT(r, entry);
7286                 if (X(r) < (x + w) &&
7287                     (X(r) + WIDTH(r)) > x &&
7288                     Y(r) < (y + h) &&
7289                     (Y(r) + HEIGHT(r)) > y) {
7290                         if (r->ws->r != NULL)
7291                                 r->ws->old_r = r->ws->r;
7292                         r->ws->r = NULL;
7293                         bar_cleanup(r);
7294                         TAILQ_REMOVE(&s->rl, r, entry);
7295                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7296                 }
7297         }
7298
7299         /* search old regions for one to reuse */
7300
7301         /* size + location match */
7302         TAILQ_FOREACH(r, &s->orl, entry)
7303                 if (X(r) == x && Y(r) == y &&
7304                     HEIGHT(r) == h && WIDTH(r) == w)
7305                         break;
7306
7307         /* size match */
7308         TAILQ_FOREACH(r, &s->orl, entry)
7309                 if (HEIGHT(r) == h && WIDTH(r) == w)
7310                         break;
7311
7312         if (r != NULL) {
7313                 TAILQ_REMOVE(&s->orl, r, entry);
7314                 /* try to use old region's workspace */
7315                 if (r->ws->r == NULL)
7316                         ws = r->ws;
7317         } else
7318                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7319                         err(1, "new_region: calloc: failed to allocate memory "
7320                             "for screen");
7321
7322         /* if we don't have a workspace already, find one */
7323         if (ws == NULL) {
7324                 for (i = 0; i < workspace_limit; i++)
7325                         if (s->ws[i].r == NULL) {
7326                                 ws = &s->ws[i];
7327                                 break;
7328                         }
7329         }
7330
7331         if (ws == NULL)
7332                 errx(1, "new_region: no free workspaces");
7333
7334         X(r) = x;
7335         Y(r) = y;
7336         WIDTH(r) = w;
7337         HEIGHT(r) = h;
7338         r->s = s;
7339         r->ws = ws;
7340         r->ws_prior = NULL;
7341         ws->r = r;
7342         outputs++;
7343         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7344 }
7345
7346 void
7347 scan_xrandr(int i)
7348 {
7349 #ifdef SWM_XRR_HAS_CRTC
7350         int                                             c;
7351         int                                             ncrtc = 0;
7352 #endif /* SWM_XRR_HAS_CRTC */
7353         struct swm_region                               *r;
7354         int                                             num_screens;
7355         xcb_randr_get_screen_resources_current_cookie_t src;
7356         xcb_randr_get_screen_resources_current_reply_t  *srr;
7357         xcb_randr_get_crtc_info_cookie_t                cic;
7358         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7359         xcb_randr_crtc_t                                *crtc;
7360         xcb_screen_t                                    *screen = get_screen(i);
7361
7362         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7363         if (i >= num_screens)
7364                 errx(1, "scan_xrandr: invalid screen");
7365
7366         /* remove any old regions */
7367         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7368                 r->ws->old_r = r->ws->r = NULL;
7369                 bar_cleanup(r);
7370                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7371                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7372         }
7373         outputs = 0;
7374
7375         /* map virtual screens onto physical screens */
7376 #ifdef SWM_XRR_HAS_CRTC
7377         if (xrandr_support) {
7378                 src = xcb_randr_get_screen_resources_current(conn,
7379                         screens[i].root);
7380                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7381                         NULL);
7382                 if (srr == NULL) {
7383                         new_region(&screens[i], 0, 0,
7384                             screen->width_in_pixels,
7385                             screen->height_in_pixels);
7386                         return;
7387                 } else
7388                         ncrtc = srr->num_crtcs;
7389                 for (c = 0; c < ncrtc; c++) {
7390                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7391                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7392                                 XCB_CURRENT_TIME);
7393                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7394                         if (cir == NULL)
7395                                 continue;
7396                         if (cir->num_outputs == 0) {
7397                                 free(cir);
7398                                 continue;
7399                         }
7400
7401                         if (cir->mode == 0)
7402                                 new_region(&screens[i], 0, 0,
7403                                     screen->width_in_pixels,
7404                                     screen->height_in_pixels);
7405                         else
7406                                 new_region(&screens[i],
7407                                     cir->x, cir->y, cir->width, cir->height);
7408                         free(cir);
7409                 }
7410                 free(srr);
7411         } else
7412 #endif /* SWM_XRR_HAS_CRTC */
7413         {
7414                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7415                     screen->height_in_pixels);
7416         }
7417 }
7418
7419 void
7420 screenchange(xcb_randr_screen_change_notify_event_t *e)
7421 {
7422         struct swm_region               *r;
7423         int                             i, num_screens;
7424
7425         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7426
7427         if (e->rotation & (XCB_RANDR_ROTATION_ROTATE_90
7428                         | XCB_RANDR_ROTATION_ROTATE_270))
7429                 xcb_randr_set_screen_size(conn, e->root, e->height,
7430                         e->width, e->mheight, e->mwidth);
7431         else
7432                 xcb_randr_set_screen_size(conn, e->root, e->width,
7433                         e->height, e->mwidth, e->mheight);
7434
7435         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7436         /* silly event doesn't include the screen index */
7437         for (i = 0; i < num_screens; i++)
7438                 if (screens[i].root == e->root)
7439                         break;
7440         if (i >= num_screens)
7441                 errx(1, "screenchange: screen not found");
7442
7443         /* brute force for now, just re-enumerate the regions */
7444         scan_xrandr(i);
7445
7446         /* add bars to all regions */
7447         for (i = 0; i < num_screens; i++)
7448                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7449                         bar_setup(r);
7450         stack();
7451 }
7452
7453 void
7454 grab_windows(void)
7455 {
7456         xcb_window_t            *wins   = NULL;
7457         int                     no;
7458         int                     i, j, num_screens;
7459         uint16_t                state, manage;
7460
7461         xcb_query_tree_cookie_t                 qtc;
7462         xcb_query_tree_reply_t                  *qtr;
7463         xcb_get_window_attributes_cookie_t      c;
7464         xcb_get_window_attributes_reply_t       *r;
7465         xcb_get_property_cookie_t               pc;
7466
7467         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7468         for (i = 0; i < num_screens; i++) {
7469                 qtc = xcb_query_tree(conn, screens[i].root);
7470                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7471                 if (!qtr)
7472                         continue;
7473                 wins = xcb_query_tree_children(qtr);
7474                 no = xcb_query_tree_children_length(qtr);
7475                 /* attach windows to a region */
7476                 /* normal windows */
7477                 for (j = 0; j < no; j++) {
7478                         c = xcb_get_window_attributes(conn, wins[j]);
7479                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7480                         if (!r)
7481                                 continue;
7482                         if (r->override_redirect) {
7483                                 free(r);
7484                                 continue;
7485                         }
7486
7487                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7488                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7489                                         NULL)) {
7490                                 free(r);
7491                                 continue;
7492                         }
7493
7494                         state = getstate(wins[j]);
7495                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7496                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7497                                 manage_window(wins[j]);
7498                         free(r);
7499                 }
7500                 /* transient windows */
7501                 for (j = 0; j < no; j++) {
7502                         c = xcb_get_window_attributes(conn, wins[j]);
7503                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7504                         if (!r)
7505                                 continue;
7506                         if (r->override_redirect) {
7507                                 free(r);
7508                                 continue;
7509                         }
7510                         free(r);
7511
7512                         state = getstate(wins[j]);
7513                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7514                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7515                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7516                                         NULL) && manage)
7517                                 manage_window(wins[j]);
7518                 }
7519                 free(qtr);
7520         }
7521 }
7522
7523 void
7524 setup_screens(void)
7525 {
7526         int                     i, j, k, num_screens;
7527         struct workspace        *ws;
7528         uint32_t                gcv[1], wa[1];
7529         const xcb_query_extension_reply_t *qep;
7530         xcb_cursor_t                            cursor;
7531         xcb_font_t                              cursor_font;
7532         xcb_randr_query_version_cookie_t        c;
7533         xcb_randr_query_version_reply_t         *r;
7534
7535         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7536         if ((screens = calloc(num_screens,
7537              sizeof(struct swm_screen))) == NULL)
7538                 err(1, "setup_screens: calloc: failed to allocate memory for "
7539                     "screens");
7540
7541         /* initial Xrandr setup */
7542         xrandr_support = False;
7543         c = xcb_randr_query_version(conn, True, True);
7544         r = xcb_randr_query_version_reply(conn, c, NULL);
7545         if (r) {
7546                 if (r->major_version >= 1)
7547                         xrandr_support = True;
7548                 free(r);
7549         }
7550         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7551         xrandr_eventbase = qep->first_event;
7552
7553         cursor_font = xcb_generate_id(conn);
7554         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7555
7556         cursor = xcb_generate_id(conn);
7557         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7558                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7559         wa[0] = cursor;
7560
7561         /* map physical screens */
7562         for (i = 0; i < num_screens; i++) {
7563                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7564                 screens[i].idx = i;
7565                 TAILQ_INIT(&screens[i].rl);
7566                 TAILQ_INIT(&screens[i].orl);
7567                 screens[i].root = RootWindow(display, i);
7568
7569                 /* set default colors */
7570                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7571                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7572                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7573                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7574                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7575
7576                 /* create graphics context on screen */
7577                 screens[i].bar_gc = xcb_generate_id(conn);
7578                 gcv[0] = 0;
7579                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7580                         XCB_GC_GRAPHICS_EXPOSURES, gcv);
7581
7582                 /* set default cursor */
7583                 xcb_change_window_attributes(conn, screens[i].root,
7584                         XCB_CW_CURSOR, wa);
7585
7586                 /* init all workspaces */
7587                 /* XXX these should be dynamically allocated too */
7588                 for (j = 0; j < SWM_WS_MAX; j++) {
7589                         ws = &screens[i].ws[j];
7590                         ws->idx = j;
7591                         ws->name = NULL;
7592                         ws->focus = NULL;
7593                         ws->r = NULL;
7594                         ws->old_r = NULL;
7595                         TAILQ_INIT(&ws->winlist);
7596                         TAILQ_INIT(&ws->unmanagedlist);
7597
7598                         for (k = 0; layouts[k].l_stack != NULL; k++)
7599                                 if (layouts[k].l_config != NULL)
7600                                         layouts[k].l_config(ws,
7601                                             SWM_ARG_ID_STACKINIT);
7602                         ws->cur_layout = &layouts[0];
7603                         ws->cur_layout->l_string(ws);
7604                 }
7605
7606                 scan_xrandr(i);
7607
7608                 if (xrandr_support)
7609                         xcb_randr_select_input(conn, screens[i].root,
7610                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7611         }
7612         xcb_free_cursor(conn, cursor);
7613         xcb_close_font(conn, cursor_font);
7614 }
7615
7616 void
7617 setup_globals(void)
7618 {
7619         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7620                 err(1, "setup_globals: strdup: failed to allocate memory.");
7621
7622         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7623                 err(1, "setup_globals: strdup: failed to allocate memory.");
7624 }
7625
7626 void
7627 workaround(void)
7628 {
7629         int                     i, num_screens;
7630         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7631         xcb_window_t            root, win;
7632         uint32_t                wa[2];
7633
7634         /* work around sun jdk bugs, code from wmname */
7635         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7636         netwmname = get_atom_from_string("_NET_WM_NAME");
7637         utf8_string = get_atom_from_string("UTF8_STRING");
7638
7639         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7640         for (i = 0; i < num_screens; i++) {
7641                 root = screens[i].root;
7642
7643                 win = xcb_generate_id(conn);
7644                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7645                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7646                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7647                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7648                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7649
7650                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7651                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7652                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7653                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7654                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7655                     netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7656         }
7657 }
7658
7659 void
7660 event_handle(xcb_generic_event_t *evt)
7661 {
7662         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7663
7664         if (type == 0)
7665         {
7666                 /* XXX - handle error */
7667                 return;
7668         }
7669
7670         switch (type) {
7671 #define EVENT(type, callback) case type: callback((void *)evt); return
7672         EVENT(XCB_BUTTON_PRESS, buttonpress);
7673         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7674         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7675         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7676         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7677         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7678         EVENT(XCB_ENTER_NOTIFY, enternotify);
7679         EVENT(XCB_EXPOSE, expose);
7680         EVENT(XCB_KEY_PRESS, keypress);
7681         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7682         EVENT(XCB_MAP_NOTIFY, mapnotify);
7683         EVENT(XCB_MAP_REQUEST, maprequest);
7684         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7685         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7686         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7687         EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);
7688 #undef EVENT
7689         }
7690         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7691                 screenchange((void *)evt);
7692 }
7693
7694 int
7695 main(int argc, char *argv[])
7696 {
7697         struct swm_region       *r, *rr;
7698         struct ws_win           *winfocus = NULL;
7699         struct timeval          tv;
7700         union arg               a;
7701         char                    conf[PATH_MAX], *cfile = NULL;
7702         struct stat             sb;
7703         int                     xfd, i, num_screens;
7704         fd_set                  rd;
7705         struct sigaction        sact;
7706         xcb_generic_event_t     *evt;
7707
7708         start_argv = argv;
7709         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7710         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7711             !XSupportsLocale())
7712                 warnx("no locale support");
7713
7714         if (!X_HAVE_UTF8_STRING)
7715                 warnx("no UTF-8 support");
7716
7717         if (!(display = XOpenDisplay(0)))
7718                 errx(1, "can not open display");
7719
7720         /* handle some signals */
7721         bzero(&sact, sizeof(sact));
7722         sigemptyset(&sact.sa_mask);
7723         sact.sa_flags = 0;
7724         sact.sa_handler = sighdlr;
7725         sigaction(SIGINT, &sact, NULL);
7726         sigaction(SIGQUIT, &sact, NULL);
7727         sigaction(SIGTERM, &sact, NULL);
7728         sigaction(SIGHUP, &sact, NULL);
7729
7730         sact.sa_handler = sighdlr;
7731         sact.sa_flags = SA_NOCLDSTOP;
7732         sigaction(SIGCHLD, &sact, NULL);
7733
7734         conn = XGetXCBConnection(display);
7735         if (xcb_connection_has_error(conn))
7736                 errx(1, "can not get XCB connection");
7737
7738         xfd = xcb_get_file_descriptor(conn);
7739         syms = xcb_key_symbols_alloc(conn);
7740         if (!syms)
7741                 errx(1, "unable to allocate key symbols");
7742
7743         astate = get_atom_from_string("WM_STATE");
7744         aprot = get_atom_from_string("WM_PROTOCOLS");
7745         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7746         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7747         a_wmname = get_atom_from_string("WM_NAME");
7748         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7749         a_utf8_string = get_atom_from_string("UTF8_STRING");
7750         a_string = get_atom_from_string("STRING");
7751         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7752
7753         /* look for local and global conf file */
7754         pwd = getpwuid(getuid());
7755         if (pwd == NULL)
7756                 errx(1, "invalid user: %d", getuid());
7757
7758         xcb_grab_server(conn);
7759         xcb_aux_sync(conn);
7760
7761         /* flush all events */
7762         while ((evt = xcb_poll_for_event(conn))) {
7763                 uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7764                 if (type == 0)
7765                         event_handle(evt);
7766                 free(evt);
7767         }
7768
7769         if (active_wm())
7770                 errx(1, "other wm running");
7771
7772         xcb_aux_sync(conn);
7773
7774         setup_globals();
7775         setup_screens();
7776         setup_keys();
7777         setup_quirks();
7778         setup_spawn();
7779
7780         /* load config */
7781         for (i = 0; ; i++) {
7782                 conf[0] = '\0';
7783                 switch (i) {
7784                 case 0:
7785                         /* ~ */
7786                         snprintf(conf, sizeof conf, "%s/.%s",
7787                             pwd->pw_dir, SWM_CONF_FILE);
7788                         break;
7789                 case 1:
7790                         /* global */
7791                         snprintf(conf, sizeof conf, "/etc/%s",
7792                             SWM_CONF_FILE);
7793                         break;
7794                 case 2:
7795                         /* ~ compat */
7796                         snprintf(conf, sizeof conf, "%s/.%s",
7797                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7798                         break;
7799                 case 3:
7800                         /* global compat */
7801                         snprintf(conf, sizeof conf, "/etc/%s",
7802                             SWM_CONF_FILE_OLD);
7803                         break;
7804                 default:
7805                         goto noconfig;
7806                 }
7807
7808                 if (strlen(conf) && stat(conf, &sb) != -1)
7809                         if (S_ISREG(sb.st_mode)) {
7810                                 cfile = conf;
7811                                 break;
7812                         }
7813         }
7814 noconfig:
7815
7816         /* load conf (if any) */
7817         if (cfile)
7818                 conf_load(cfile, SWM_CONF_DEFAULT);
7819
7820         setup_ewmh();
7821         /* set some values to work around bad programs */
7822         workaround();
7823         /* grab existing windows (before we build the bars) */
7824         grab_windows();
7825
7826         if (getenv("SWM_STARTED") == NULL)
7827                 setenv("SWM_STARTED", "YES", 1);
7828
7829         /* setup all bars */
7830         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7831         for (i = 0; i < num_screens; i++)
7832                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7833                         if (winfocus == NULL)
7834                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7835                         bar_setup(r);
7836                 }
7837
7838         //unfocus_all();
7839
7840         grabkeys();
7841         stack();
7842
7843         xcb_ungrab_server(conn);
7844         xcb_flush(conn);
7845
7846         while (running) {
7847                 while ((evt = xcb_poll_for_event(conn))) {
7848                         DNPRINTF(SWM_D_EVENT, "XCB Event: %s\n",
7849                             geteventname(evt));
7850                         if (running == 0)
7851                                 goto done;
7852                         event_handle(evt);
7853                         free(evt);
7854                 }
7855
7856                 /* if we are being restarted go focus on first window */
7857                 if (winfocus) {
7858                         rr = winfocus->ws->r;
7859                         if (rr == NULL) {
7860                                 /* not a visible window */
7861                                 winfocus = NULL;
7862                                 continue;
7863                         }
7864                         /* move pointer to first screen if multi screen */
7865                         if (num_screens > 1 || outputs > 1)
7866                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7867                                         rr->s[0].root, 0, 0, 0, 0, X(rr),
7868                                         Y(rr) + (bar_enabled ? bar_height : 0));
7869
7870                         a.id = SWM_ARG_ID_FOCUSCUR;
7871                         focus(rr, &a);
7872                         winfocus = NULL;
7873                         continue;
7874                 }
7875
7876                 FD_ZERO(&rd);
7877                 FD_SET(xfd, &rd);
7878                 tv.tv_sec = 1;
7879                 tv.tv_usec = 0;
7880                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7881                         if (errno != EINTR)
7882                                 DNPRINTF(SWM_D_MISC, "select failed");
7883                 if (restart_wm == 1)
7884                         restart(NULL, NULL);
7885                 if (search_resp == 1)
7886                         search_do_resp();
7887                 if (running == 0)
7888                         goto done;
7889                 if (bar_alarm) {
7890                         bar_alarm = 0;
7891                         bar_update();
7892                 }
7893         }
7894 done:
7895         teardown_ewmh();
7896         bar_extra_stop();
7897
7898         for (i = 0; i < num_screens; ++i)
7899                 if (screens[i].bar_gc != 0)
7900                         xcb_free_gc(conn, screens[i].bar_gc);
7901         XFreeFontSet(display, bar_fs);
7902
7903         xcb_key_symbols_free(syms);
7904         xcb_disconnect(conn);
7905
7906         return (0);
7907 }