spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <paths.h>
  70 #include <ctype.h>
  71
  72 #include <sys/types.h>
  73 #include <sys/time.h>
  74 #include <sys/stat.h>
  75 #include <sys/wait.h>
  76 #include <sys/queue.h>
  77 #include <sys/param.h>
  78 #include <sys/select.h>
  79 #if defined(__linux__)
  80 #include "tree.h"
  81 #elif defined(__OpenBSD__)
  82 #include <sys/tree.h>
  83 #elif defined(__FreeBSD__)
  84 #include <sys/tree.h>
  85 #else
  86 #include "tree.h"
  87 #endif
  88
  89 #include <X11/cursorfont.h>
  90 #include <X11/keysym.h>
  91 #include <X11/XKBlib.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/Xlib-xcb.h>
  94 #include <xcb/randr.h>
  95 #include <xcb/xcb_atom.h>
  96 #include <xcb/xcb_icccm.h>
  97 #include <xcb/xcb_keysyms.h>
  98 #include <X11/Xproto.h>
  99 #include <X11/Xutil.h>
 100 #include <X11/extensions/Xrandr.h>
 101 #include <X11/extensions/XTest.h>
 102
 103 #ifdef __OSX__
 104 #include <osx.h>
 105 #endif
 106
 107 #include "version.h"
 108
 109 #ifdef SPECTRWM_BUILDSTR
 110 static const char       *buildstr = SPECTRWM_BUILDSTR;
 111 #else
 112 static const char       *buildstr = SPECTRWM_VERSION;
 113 #endif
 114
 115 #if RANDR_MAJOR < 1
 116 #  error XRandR versions less than 1.0 are not supported
 117 #endif
 118
 119 #if RANDR_MAJOR >= 1
 120 #if RANDR_MINOR >= 2
 121 #define SWM_XRR_HAS_CRTC
 122 #endif
 123 #endif
 124
 125 #if defined(__OpenBSD__)
 126 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 127 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 128 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 129 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 130 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 131 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 132 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 133 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 134 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 135 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 136 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 137 #endif
 138
 139 #define SWM_DEBUG
 140 #ifdef SWM_DEBUG
 141 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 142 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 143 #define SWM_D_MISC              0x0001
 144 #define SWM_D_EVENT             0x0002
 145 #define SWM_D_WS                0x0004
 146 #define SWM_D_FOCUS             0x0008
 147 #define SWM_D_MOVE              0x0010
 148 #define SWM_D_STACK             0x0020
 149 #define SWM_D_MOUSE             0x0040
 150 #define SWM_D_PROP              0x0080
 151 #define SWM_D_CLASS             0x0100
 152 #define SWM_D_KEY               0x0200
 153 #define SWM_D_QUIRK             0x0400
 154 #define SWM_D_SPAWN             0x0800
 155 #define SWM_D_EVENTQ            0x1000
 156 #define SWM_D_CONF              0x2000
 157 #define SWM_D_BAR               0x4000
 158
 159 u_int32_t               swm_debug = 0
 160                             | SWM_D_MISC
 161                             | SWM_D_EVENT
 162                             | SWM_D_WS
 163                             | SWM_D_FOCUS
 164                             | SWM_D_MOVE
 165                             | SWM_D_STACK
 166                             | SWM_D_MOUSE
 167                             | SWM_D_PROP
 168                             | SWM_D_CLASS
 169                             | SWM_D_KEY
 170                             | SWM_D_QUIRK
 171                             | SWM_D_SPAWN
 172                             | SWM_D_EVENTQ
 173                             | SWM_D_CONF
 174                             | SWM_D_BAR
 175                             ;
 176 #else
 177 #define DPRINTF(x...)
 178 #define DNPRINTF(n,x...)
 179 #endif
 180
 181 #define LENGTH(x)               (sizeof x / sizeof x[0])
 182 #define MODKEY                  Mod1Mask
 183 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 184 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 185 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 186 #define SWM_PROPLEN             (16)
 187 #define SWM_FUNCNAME_LEN        (32)
 188 #define SWM_KEYS_LEN            (255)
 189 #define SWM_QUIRK_LEN           (64)
 190 #define X(r)                    (r)->g.x
 191 #define Y(r)                    (r)->g.y
 192 #define WIDTH(r)                (r)->g.w
 193 #define HEIGHT(r)               (r)->g.h
 194 #define BORDER(w)               (w->bordered ? border_width : 0)
 195 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 196 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 197 #define SH_MIN(w)               (w)->sh.flags & XCB_SIZE_HINT_P_MIN_SIZE
 198 #define SH_MIN_W(w)             (w)->sh.min_width
 199 #define SH_MIN_H(w)             (w)->sh.min_height
 200 #define SH_MAX(w)               (w)->sh.flags & XCB_SIZE_HINT_P_MAX_SIZE
 201 #define SH_MAX_W(w)             (w)->sh.max_width
 202 #define SH_MAX_H(w)             (w)->sh.max_height
 203 #define SH_INC(w)               (w)->sh.flags & XCB_SIZE_HINT_P_RESIZE_INC
 204 #define SH_INC_W(w)             (w)->sh.width_inc
 205 #define SH_INC_H(w)             (w)->sh.height_inc
 206 #define SWM_MAX_FONT_STEPS      (3)
 207 #define WINID(w)                ((w) ? (w)->id : 0)
 208 #define YESNO(x)                ((x) ? "yes" : "no")
 209
 210 #define SWM_FOCUS_DEFAULT       (0)
 211 #define SWM_FOCUS_SYNERGY       (1)
 212 #define SWM_FOCUS_FOLLOW        (2)
 213
 214 #define SWM_CONF_DEFAULT        (0)
 215 #define SWM_CONF_KEYMAPPING     (1)
 216
 217 #ifndef SWM_LIB
 218 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 219 #endif
 220
 221 char                    **start_argv;
 222 xcb_atom_t              astate;
 223 xcb_atom_t              aprot;
 224 xcb_atom_t              adelete;
 225 xcb_atom_t              takefocus;
 226 xcb_atom_t              a_wmname;
 227 xcb_atom_t              a_netwmname;
 228 xcb_atom_t              a_utf8_string;
 229 xcb_atom_t              a_string;
 230 xcb_atom_t              a_swm_iconic;
 231 volatile sig_atomic_t   running = 1;
 232 volatile sig_atomic_t   restart_wm = 0;
 233 int                     outputs = 0;
 234 int                     last_focus_event = FocusOut;
 235 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 236 int                     other_wm;
 237 int                     ss_enabled = 0;
 238 int                     xrandr_support;
 239 int                     xrandr_eventbase;
 240 unsigned int            numlockmask = 0;
 241 Display                 *display;
 242 xcb_connection_t        *conn;
 243
 244 int                     cycle_empty = 0;
 245 int                     cycle_visible = 0;
 246 int                     term_width = 0;
 247 int                     font_adjusted = 0;
 248 unsigned int            mod_key = MODKEY;
 249
 250 /* dmenu search */
 251 struct swm_region       *search_r;
 252 int                     select_list_pipe[2];
 253 int                     select_resp_pipe[2];
 254 pid_t                   searchpid;
 255 volatile sig_atomic_t   search_resp;
 256 int                     search_resp_action;
 257
 258 struct search_window {
 259         TAILQ_ENTRY(search_window)      entry;
 260         int                             idx;
 261         struct ws_win                   *win;
 262         xcb_gcontext_t                  gc;
 263         xcb_window_t                    indicator;
 264 };
 265 TAILQ_HEAD(search_winlist, search_window);
 266 struct search_winlist                   search_wl;
 267
 268 /* search actions */
 269 enum {
 270         SWM_SEARCH_NONE,
 271         SWM_SEARCH_UNICONIFY,
 272         SWM_SEARCH_NAME_WORKSPACE,
 273         SWM_SEARCH_SEARCH_WORKSPACE,
 274         SWM_SEARCH_SEARCH_WINDOW
 275 };
 276
 277 #define SWM_STACK_TOP           (0)
 278 #define SWM_STACK_BOTTOM        (1)
 279 #define SWM_STACK_ABOVE         (2)
 280 #define SWM_STACK_BELOW         (3)
 281
 282 /* dialog windows */
 283 double                  dialog_ratio = 0.6;
 284 /* status bar */
 285 #define SWM_BAR_MAX             (256)
 286 #define SWM_BAR_JUSTIFY_LEFT    (0)
 287 #define SWM_BAR_JUSTIFY_CENTER  (1)
 288 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 289 #define SWM_BAR_OFFSET          (4)
 290 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 291                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 292                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 293                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 294                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 295
 296 char                    *bar_argv[] = { NULL, NULL };
 297 int                     bar_pipe[2];
 298 unsigned char           bar_ext[SWM_BAR_MAX];
 299 char                    bar_vertext[SWM_BAR_MAX];
 300 int                     bar_version = 0;
 301 sig_atomic_t            bar_alarm = 0;
 302 int                     bar_delay = 30;
 303 int                     bar_enabled = 1;
 304 int                     bar_border_width = 1;
 305 int                     bar_at_bottom = 0;
 306 int                     bar_extra = 1;
 307 int                     bar_extra_running = 0;
 308 int                     bar_verbose = 1;
 309 int                     bar_height = 0;
 310 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 311 char                    *bar_format = NULL;
 312 int                     stack_enabled = 1;
 313 int                     clock_enabled = 1;
 314 int                     urgent_enabled = 0;
 315 char                    *clock_format = NULL;
 316 int                     title_name_enabled = 0;
 317 int                     title_class_enabled = 0;
 318 int                     window_name_enabled = 0;
 319 int                     focus_mode = SWM_FOCUS_DEFAULT;
 320 int                     focus_close = SWM_STACK_BELOW;
 321 int                     focus_close_wrap = 1;
 322 int                     focus_default = SWM_STACK_TOP;
 323 int                     spawn_position = SWM_STACK_TOP;
 324 int                     disable_border = 0;
 325 int                     border_width = 1;
 326 int                     verbose_layout = 0;
 327 pid_t                   bar_pid;
 328 XFontSet                bar_fs;
 329 XFontSetExtents         *bar_fs_extents;
 330 char                    *bar_fonts;
 331 struct passwd           *pwd;
 332
 333 #define SWM_MENU_FN     (2)
 334 #define SWM_MENU_NB     (4)
 335 #define SWM_MENU_NF     (6)
 336 #define SWM_MENU_SB     (8)
 337 #define SWM_MENU_SF     (10)
 338
 339 /* layout manager data */
 340 struct swm_geometry {
 341         int                     x;
 342         int                     y;
 343         int                     w;
 344         int                     h;
 345 };
 346
 347 struct swm_screen;
 348 struct workspace;
 349
 350 struct swm_bar {
 351         xcb_window_t            id;
 352         xcb_pixmap_t            buffer;
 353         struct swm_geometry     g;
 354 };
 355
 356 /* virtual "screens" */
 357 struct swm_region {
 358         TAILQ_ENTRY(swm_region) entry;
 359         struct swm_geometry     g;
 360         struct workspace        *ws;    /* current workspace on this region */
 361         struct workspace        *ws_prior; /* prior workspace on this region */
 362         struct swm_screen       *s;     /* screen idx */
 363         struct swm_bar          *bar;
 364 };
 365 TAILQ_HEAD(swm_region_list, swm_region);
 366
 367 struct ws_win {
 368         TAILQ_ENTRY(ws_win)     entry;
 369         xcb_window_t            id;
 370         xcb_window_t            transient;
 371         struct ws_win           *child_trans;   /* transient child window */
 372         struct swm_geometry     g;              /* current geometry */
 373         struct swm_geometry     g_float;        /* region coordinates */
 374         int                     g_floatvalid;   /* g_float geometry validity */
 375         int                     floatmaxed;     /* whether maxed by max_stack */
 376         int                     floating;
 377         int                     manual;
 378         int32_t                 iconic;
 379         int                     bordered;
 380         unsigned int            ewmh_flags;
 381         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 382         int                     font_steps;
 383         int                     last_inc;
 384         int                     can_delete;
 385         int                     take_focus;
 386         int                     java;
 387         unsigned long           quirks;
 388         struct workspace        *ws;    /* always valid */
 389         struct swm_screen       *s;     /* always valid, never changes */
 390         xcb_get_geometry_reply_t        *wa;
 391         xcb_size_hints_t        sh;
 392         xcb_get_wm_class_reply_t        ch;
 393         xcb_wm_hints_t          hints;
 394 };
 395 TAILQ_HEAD(ws_win_list, ws_win);
 396
 397 /* pid goo */
 398 struct pid_e {
 399         TAILQ_ENTRY(pid_e)      entry;
 400         long                    pid;
 401         int                     ws;
 402 };
 403 TAILQ_HEAD(pid_list, pid_e);
 404 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 405
 406 /* layout handlers */
 407 void    stack(void);
 408 void    vertical_config(struct workspace *, int);
 409 void    vertical_stack(struct workspace *, struct swm_geometry *);
 410 void    horizontal_config(struct workspace *, int);
 411 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 412 void    max_stack(struct workspace *, struct swm_geometry *);
 413 void    plain_stacker(struct workspace *);
 414 void    fancy_stacker(struct workspace *);
 415
 416 struct ws_win *find_window(xcb_window_t);
 417
 418 void            grabbuttons(struct ws_win *, int);
 419 void            new_region(struct swm_screen *, int, int, int, int);
 420 void            unmanage_window(struct ws_win *);
 421 uint16_t        getstate(xcb_window_t);
 422
 423 int             conf_load(char *, int);
 424
 425 struct layout {
 426         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 427         void            (*l_config)(struct workspace *, int);
 428         u_int32_t       flags;
 429 #define SWM_L_FOCUSPREV         (1<<0)
 430 #define SWM_L_MAPONFOCUS        (1<<1)
 431         void            (*l_string)(struct workspace *);
 432 } layouts[] =  {
 433         /* stack,               configure */
 434         { vertical_stack,       vertical_config,        0,      plain_stacker },
 435         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 436         { max_stack,            NULL,
 437           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 438         { NULL,                 NULL,                   0,      NULL  },
 439 };
 440
 441 /* position of max_stack mode in the layouts array, index into layouts! */
 442 #define SWM_V_STACK             (0)
 443 #define SWM_H_STACK             (1)
 444 #define SWM_MAX_STACK           (2)
 445
 446 #define SWM_H_SLICE             (32)
 447 #define SWM_V_SLICE             (32)
 448
 449 /* define work spaces */
 450 struct workspace {
 451         int                     idx;            /* workspace index */
 452         char                    *name;          /* workspace name */
 453         int                     always_raise;   /* raise windows on focus */
 454         struct layout           *cur_layout;    /* current layout handlers */
 455         struct ws_win           *focus;         /* may be NULL */
 456         struct ws_win           *focus_prev;    /* may be NULL */
 457         struct swm_region       *r;             /* may be NULL */
 458         struct swm_region       *old_r;         /* may be NULL */
 459         struct ws_win_list      winlist;        /* list of windows in ws */
 460         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 461         char                    stacker[10];    /* display stacker and layout */
 462
 463         /* stacker state */
 464         struct {
 465                                 int horizontal_msize;
 466                                 int horizontal_mwin;
 467                                 int horizontal_stacks;
 468                                 int horizontal_flip;
 469                                 int vertical_msize;
 470                                 int vertical_mwin;
 471                                 int vertical_stacks;
 472                                 int vertical_flip;
 473         } l_state;
 474 };
 475
 476 enum {
 477         SWM_S_COLOR_BAR,
 478         SWM_S_COLOR_BAR_BORDER,
 479         SWM_S_COLOR_BAR_FONT,
 480         SWM_S_COLOR_FOCUS,
 481         SWM_S_COLOR_UNFOCUS,
 482         SWM_S_COLOR_MAX
 483 };
 484
 485 /* physical screen mapping */
 486 #define SWM_WS_MAX              (22)    /* hard limit */
 487 int             workspace_limit = 10;   /* soft limit */
 488
 489 struct swm_screen {
 490         int                     idx;    /* screen index */
 491         struct swm_region_list  rl;     /* list of regions on this screen */
 492         struct swm_region_list  orl;    /* list of old regions */
 493         xcb_window_t            root;
 494         struct workspace        ws[SWM_WS_MAX];
 495
 496         /* colors */
 497         struct {
 498                 uint32_t        color;
 499                 char            *name;
 500         } c[SWM_S_COLOR_MAX];
 501
 502         xcb_gcontext_t          bar_gc;
 503 };
 504 struct swm_screen       *screens;
 505
 506 /* args to functions */
 507 union arg {
 508         int                     id;
 509 #define SWM_ARG_ID_FOCUSNEXT    (0)
 510 #define SWM_ARG_ID_FOCUSPREV    (1)
 511 #define SWM_ARG_ID_FOCUSMAIN    (2)
 512 #define SWM_ARG_ID_FOCUSCUR     (4)
 513 #define SWM_ARG_ID_SWAPNEXT     (10)
 514 #define SWM_ARG_ID_SWAPPREV     (11)
 515 #define SWM_ARG_ID_SWAPMAIN     (12)
 516 #define SWM_ARG_ID_MOVELAST     (13)
 517 #define SWM_ARG_ID_MASTERSHRINK (20)
 518 #define SWM_ARG_ID_MASTERGROW   (21)
 519 #define SWM_ARG_ID_MASTERADD    (22)
 520 #define SWM_ARG_ID_MASTERDEL    (23)
 521 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 522 #define SWM_ARG_ID_STACKRESET   (30)
 523 #define SWM_ARG_ID_STACKINIT    (31)
 524 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 525 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 526 #define SWM_ARG_ID_CYCLESC_UP   (42)
 527 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 528 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 529 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 530 #define SWM_ARG_ID_STACKINC     (50)
 531 #define SWM_ARG_ID_STACKDEC     (51)
 532 #define SWM_ARG_ID_SS_ALL       (60)
 533 #define SWM_ARG_ID_SS_WINDOW    (61)
 534 #define SWM_ARG_ID_DONTCENTER   (70)
 535 #define SWM_ARG_ID_CENTER       (71)
 536 #define SWM_ARG_ID_KILLWINDOW   (80)
 537 #define SWM_ARG_ID_DELETEWINDOW (81)
 538 #define SWM_ARG_ID_WIDTHGROW    (90)
 539 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 540 #define SWM_ARG_ID_HEIGHTGROW   (92)
 541 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 542 #define SWM_ARG_ID_MOVEUP       (100)
 543 #define SWM_ARG_ID_MOVEDOWN     (101)
 544 #define SWM_ARG_ID_MOVELEFT     (102)
 545 #define SWM_ARG_ID_MOVERIGHT    (103)
 546         char                    **argv;
 547 };
 548
 549 void    focus(struct swm_region *, union arg *);
 550 void    focus_magic(struct ws_win *);
 551
 552 /* quirks */
 553 struct quirk {
 554         TAILQ_ENTRY(quirk)      entry;
 555         char                    *class;
 556         char                    *name;
 557         unsigned long           quirk;
 558 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 559 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 560 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 561 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 562 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 563 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 564 };
 565 TAILQ_HEAD(quirk_list, quirk);
 566 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 567
 568 /*
 569  * Supported EWMH hints should be added to
 570  * both the enum and the ewmh array
 571  */
 572 enum {
 573         _NET_ACTIVE_WINDOW,
 574         _NET_CLOSE_WINDOW,
 575         _NET_MOVERESIZE_WINDOW,
 576         _NET_WM_ACTION_CLOSE,
 577         _NET_WM_ACTION_FULLSCREEN,
 578         _NET_WM_ACTION_MOVE,
 579         _NET_WM_ACTION_RESIZE,
 580         _NET_WM_ALLOWED_ACTIONS,
 581         _NET_WM_STATE,
 582         _NET_WM_STATE_ABOVE,
 583         _NET_WM_STATE_FULLSCREEN,
 584         _NET_WM_STATE_HIDDEN,
 585         _NET_WM_STATE_MAXIMIZED_HORZ,
 586         _NET_WM_STATE_MAXIMIZED_VERT,
 587         _NET_WM_STATE_SKIP_PAGER,
 588         _NET_WM_STATE_SKIP_TASKBAR,
 589         _NET_WM_WINDOW_TYPE,
 590         _NET_WM_WINDOW_TYPE_DIALOG,
 591         _NET_WM_WINDOW_TYPE_DOCK,
 592         _NET_WM_WINDOW_TYPE_NORMAL,
 593         _NET_WM_WINDOW_TYPE_SPLASH,
 594         _NET_WM_WINDOW_TYPE_TOOLBAR,
 595         _NET_WM_WINDOW_TYPE_UTILITY,
 596         _SWM_WM_STATE_MANUAL,
 597         SWM_EWMH_HINT_MAX
 598 };
 599
 600 struct ewmh_hint {
 601         char            *name;
 602         xcb_atom_t      atom;
 603 } ewmh[SWM_EWMH_HINT_MAX] =     {
 604     /* must be in same order as in the enum */
 605     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 606     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 607     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 608     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 609     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 610     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 611     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 612     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 613     {"_NET_WM_STATE", XCB_ATOM_NONE},
 614     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 615     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 616     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 617     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 618     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 619     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 620     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 621     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 622     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 623     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 624     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 625     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 626     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 627     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 628     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 629 };
 630
 631 void             store_float_geom(struct ws_win *, struct swm_region *);
 632 int              floating_toggle_win(struct ws_win *);
 633 void             constrain_window(struct ws_win *, struct swm_region *, int);
 634 void             update_window(struct ws_win *);
 635 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 636 char            *get_win_name(xcb_window_t);
 637 xcb_atom_t       get_atom_from_string(const char *);
 638 void            map_window_raised(xcb_window_t);
 639 void            do_sync(void);
 640 xcb_screen_t    *get_screen(int);
 641 int             parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 642
 643 int
 644 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 645 {
 646         unsigned int    tmpr, tmpg, tmpb;
 647
 648         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 649                 return (-1);
 650
 651         *rr = tmpr << 8;
 652         *gg = tmpg << 8;
 653         *bb = tmpb << 8;
 654
 655         return (0);
 656 }
 657
 658 xcb_screen_t *
 659 get_screen(int screen)
 660 {
 661         xcb_screen_iterator_t i;
 662
 663         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 664         for (; i.rem; --screen, xcb_screen_next(&i))
 665                 if (screen == 0)
 666                         return (i.data);
 667
 668         return (NULL);
 669 }
 670
 671 void
 672 do_sync(void)
 673 {
 674         xcb_get_input_focus_cookie_t    c;
 675         xcb_get_input_focus_reply_t     *r;
 676
 677         /* mimic XSync() */
 678         c = xcb_get_input_focus(conn);
 679         xcb_flush(conn);
 680         r = xcb_get_input_focus_reply(conn, c, NULL);
 681         if (r)
 682                 free(r);
 683 }
 684
 685 void
 686 map_window_raised(xcb_window_t win)
 687 {
 688         uint32_t        val = XCB_STACK_MODE_ABOVE;
 689
 690         xcb_configure_window(conn, win,
 691                 XCB_CONFIG_WINDOW_STACK_MODE, &val);
 692
 693         xcb_map_window(conn, win);
 694         xcb_flush(conn);
 695 }
 696
 697 xcb_atom_t
 698 get_atom_from_string(const char *str)
 699 {
 700         xcb_intern_atom_cookie_t        c;
 701         xcb_intern_atom_reply_t         *r;
 702         xcb_atom_t                      atom;
 703
 704         c = xcb_intern_atom(conn, False, strlen(str), str);
 705         r = xcb_intern_atom_reply(conn, c, NULL);
 706         if (r) {
 707                 atom = r->atom;
 708                 free(r);
 709
 710                 return (atom);
 711         }
 712
 713         return (XCB_ATOM_NONE);
 714 }
 715
 716 void
 717 update_iconic(struct ws_win *win, int newv)
 718 {
 719         int32_t                         v = newv;
 720         xcb_atom_t                      iprop;
 721
 722         win->iconic = newv;
 723
 724         iprop = get_atom_from_string("_SWM_ICONIC");
 725         if (iprop == XCB_ATOM_NONE)
 726                 return;
 727
 728         if (newv)
 729                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 730                         iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 731         else
 732                 xcb_delete_property(conn, win->id, iprop);
 733 }
 734
 735 int32_t
 736 get_iconic(struct ws_win *win)
 737 {
 738         int32_t                         v = 0;
 739         xcb_atom_t                      iprop;
 740         xcb_get_property_reply_t        *pr = NULL;
 741
 742         iprop = get_atom_from_string("_SWM_ICONIC");
 743         if (iprop == XCB_ATOM_NONE)
 744                 goto out;
 745
 746         pr = xcb_get_property_reply(conn,
 747                 xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 748                         0, 1),
 749                 NULL);
 750         if (!pr)
 751                 goto out;
 752         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 753                 goto out;
 754         v = *((int32_t *)xcb_get_property_value(pr));
 755 out:
 756         if (pr)
 757                 free(pr);
 758         return (v);
 759 }
 760
 761 void
 762 setup_ewmh(void)
 763 {
 764         xcb_atom_t                      sup_list;
 765         int                             i, j, num_screens;
 766
 767         sup_list = get_atom_from_string("_NET_SUPPORTED");
 768
 769         for (i = 0; i < LENGTH(ewmh); i++)
 770                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 771
 772         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 773         for (i = 0; i < num_screens; i++) {
 774                 /* Support check window will be created by workaround(). */
 775
 776                 /* Report supported atoms */
 777                 xcb_delete_property(conn, screens[i].root, sup_list);
 778                 for (j = 0; j < LENGTH(ewmh); j++)
 779                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 780                                 screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 781                                 &ewmh[j].atom);
 782         }
 783 }
 784
 785 void
 786 teardown_ewmh(void)
 787 {
 788         int                             i, num_screens;
 789         xcb_atom_t                      sup_check, sup_list;
 790         xcb_window_t                    id;
 791         xcb_get_property_cookie_t       pc;
 792         xcb_get_property_reply_t        *pr;
 793
 794         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 795         sup_list = get_atom_from_string("_NET_SUPPORTED");
 796         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 797
 798         for (i = 0; i < num_screens; i++) {
 799                 /* Get the support check window and destroy it */
 800                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 801                         XCB_ATOM_WINDOW, 0, 1);
 802                 pr = xcb_get_property_reply(conn, pc, NULL);
 803                 if (pr) {
 804                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 805
 806                         xcb_destroy_window(conn, id);
 807                         xcb_delete_property(conn, screens[i].root, sup_check);
 808                         xcb_delete_property(conn, screens[i].root, sup_list);
 809
 810                         free(pr);
 811                 }
 812         }
 813 }
 814
 815 void
 816 ewmh_autoquirk(struct ws_win *win)
 817 {
 818         int                     i;
 819         unsigned long           n;
 820         xcb_atom_t              type;
 821
 822         xcb_get_property_cookie_t       c;
 823         xcb_get_property_reply_t        *r;
 824
 825         c = xcb_get_property(conn, False, win->id,
 826                 ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, (~0L));
 827         r = xcb_get_property_reply(conn, c, NULL);
 828         if (!r)
 829                 return;
 830         n = xcb_get_property_value_length(r);
 831
 832         for (i = 0; i < n; i++) {
 833                 type = *((xcb_atom_t *)xcb_get_property_value(r));
 834                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 835                         break;
 836                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 837                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 838                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 839                         win->floating = 1;
 840                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 841                         break;
 842                 }
 843                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 844                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 845                         win->floating = 1;
 846                         win->quirks = SWM_Q_FLOAT;
 847                         break;
 848                 }
 849         }
 850         free(r);
 851 }
 852
 853 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 854 #define EWMH_F_FULLSCREEN               (1<<0)
 855 #define EWMH_F_ABOVE                    (1<<1)
 856 #define EWMH_F_HIDDEN                   (1<<2)
 857 #define EWMH_F_SKIP_PAGER               (1<<3)
 858 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 859 #define SWM_F_MANUAL                    (1<<5)
 860
 861 int
 862 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 863 {
 864         if (!win->ws->r)
 865                 return (0);
 866
 867         if (!win->floating)
 868                 return (0);
 869
 870         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 871             "fullscreen %s\n", win->id, YESNO(fs));
 872
 873         if (fs) {
 874                 if (!win->g_floatvalid)
 875                         store_float_geom(win, win->ws->r);
 876
 877                 win->g = win->ws->r->g;
 878                 win->bordered = 0;
 879         } else {
 880                 if (win->g_floatvalid) {
 881                         /* refloat at last floating relative position */
 882                         win->g = win->g_float;
 883                         X(win) += X(win->ws->r);
 884                         Y(win) += Y(win->ws->r);
 885                 }
 886         }
 887
 888         return (1);
 889 }
 890
 891 void
 892 ewmh_update_actions(struct ws_win *win)
 893 {
 894         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 895         int                     n = 0;
 896
 897         if (win == NULL)
 898                 return;
 899
 900         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 901
 902         if (win->floating) {
 903                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 904                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 905         }
 906
 907         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 908                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 909                 actions);
 910 }
 911
 912 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 913 #define _NET_WM_STATE_ADD       1    /* add/set property */
 914 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 915
 916 void
 917 ewmh_update_win_state(struct ws_win *win, long state, long action)
 918 {
 919         unsigned int            mask = 0;
 920         unsigned int            changed = 0;
 921         unsigned int            orig_flags;
 922
 923         if (win == NULL)
 924                 return;
 925
 926         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 927                 mask = EWMH_F_FULLSCREEN;
 928         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 929                 mask = EWMH_F_ABOVE;
 930         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 931                 mask = SWM_F_MANUAL;
 932         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 933                 mask = EWMH_F_SKIP_PAGER;
 934         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 935                 mask = EWMH_F_SKIP_TASKBAR;
 936
 937
 938         orig_flags = win->ewmh_flags;
 939
 940         switch (action) {
 941         case _NET_WM_STATE_REMOVE:
 942                 win->ewmh_flags &= ~mask;
 943                 break;
 944         case _NET_WM_STATE_ADD:
 945                 win->ewmh_flags |= mask;
 946                 break;
 947         case _NET_WM_STATE_TOGGLE:
 948                 win->ewmh_flags ^= mask;
 949                 break;
 950         }
 951
 952         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 953
 954         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 955                 if (changed)
 956                         if (!floating_toggle_win(win))
 957                                 win->ewmh_flags = orig_flags; /* revert */
 958         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 959                 if (changed)
 960                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 961         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 962                 if (changed)
 963                         if (!ewmh_set_win_fullscreen(win,
 964                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 965                                 win->ewmh_flags = orig_flags; /* revert */
 966
 967         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 968
 969         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 970                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 971                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 972                         &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 973         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 974                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 975                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 976                         &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 977         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 978                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 979                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 980                         &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
 981         if (win->ewmh_flags & EWMH_F_ABOVE)
 982                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 983                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 984                         &ewmh[_NET_WM_STATE_ABOVE].atom);
 985         if (win->ewmh_flags & SWM_F_MANUAL)
 986                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 987                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 988                         &ewmh[_SWM_WM_STATE_MANUAL].atom);
 989 }
 990
 991 void
 992 ewmh_get_win_state(struct ws_win *win)
 993 {
 994         xcb_atom_t                      *states;
 995         xcb_get_property_cookie_t       c;
 996         xcb_get_property_reply_t        *r;
 997         int                             i, n;
 998
 999         if (win == NULL)
1000                 return;
1001
1002         win->ewmh_flags = 0;
1003         if (win->floating)
1004                 win->ewmh_flags |= EWMH_F_ABOVE;
1005         if (win->manual)
1006                 win->ewmh_flags |= SWM_F_MANUAL;
1007
1008         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1009                 XCB_ATOM_ATOM, 0, (~0L));
1010         r = xcb_get_property_reply(conn, c, NULL);
1011         if (!r)
1012                 return;
1013
1014         states = xcb_get_property_value(r);
1015         n = xcb_get_property_value_length(r);
1016
1017         for (i = 0; i < n; i++)
1018                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1019
1020         free(r);
1021 }
1022
1023 /* events */
1024 #ifdef SWM_DEBUG
1025 char *
1026 geteventname(XEvent *e)
1027 {
1028         char                    *name = NULL;
1029
1030         switch (e->type) {
1031         case KeyPress:
1032                 name = "KeyPress";
1033                 break;
1034         case KeyRelease:
1035                 name = "KeyRelease";
1036                 break;
1037         case ButtonPress:
1038                 name = "ButtonPress";
1039                 break;
1040         case ButtonRelease:
1041                 name = "ButtonRelease";
1042                 break;
1043         case MotionNotify:
1044                 name = "MotionNotify";
1045                 break;
1046         case EnterNotify:
1047                 name = "EnterNotify";
1048                 break;
1049         case LeaveNotify:
1050                 name = "LeaveNotify";
1051                 break;
1052         case FocusIn:
1053                 name = "FocusIn";
1054                 break;
1055         case FocusOut:
1056                 name = "FocusOut";
1057                 break;
1058         case KeymapNotify:
1059                 name = "KeymapNotify";
1060                 break;
1061         case Expose:
1062                 name = "Expose";
1063                 break;
1064         case GraphicsExpose:
1065                 name = "GraphicsExpose";
1066                 break;
1067         case NoExpose:
1068                 name = "NoExpose";
1069                 break;
1070         case VisibilityNotify:
1071                 name = "VisibilityNotify";
1072                 break;
1073         case CreateNotify:
1074                 name = "CreateNotify";
1075                 break;
1076         case DestroyNotify:
1077                 name = "DestroyNotify";
1078                 break;
1079         case UnmapNotify:
1080                 name = "UnmapNotify";
1081                 break;
1082         case MapNotify:
1083                 name = "MapNotify";
1084                 break;
1085         case MapRequest:
1086                 name = "MapRequest";
1087                 break;
1088         case ReparentNotify:
1089                 name = "ReparentNotify";
1090                 break;
1091         case ConfigureNotify:
1092                 name = "ConfigureNotify";
1093                 break;
1094         case ConfigureRequest:
1095                 name = "ConfigureRequest";
1096                 break;
1097         case GravityNotify:
1098                 name = "GravityNotify";
1099                 break;
1100         case ResizeRequest:
1101                 name = "ResizeRequest";
1102                 break;
1103         case CirculateNotify:
1104                 name = "CirculateNotify";
1105                 break;
1106         case CirculateRequest:
1107                 name = "CirculateRequest";
1108                 break;
1109         case PropertyNotify:
1110                 name = "PropertyNotify";
1111                 break;
1112         case SelectionClear:
1113                 name = "SelectionClear";
1114                 break;
1115         case SelectionRequest:
1116                 name = "SelectionRequest";
1117                 break;
1118         case SelectionNotify:
1119                 name = "SelectionNotify";
1120                 break;
1121         case ColormapNotify:
1122                 name = "ColormapNotify";
1123                 break;
1124         case ClientMessage:
1125                 name = "ClientMessage";
1126                 break;
1127         case MappingNotify:
1128                 name = "MappingNotify";
1129                 break;
1130         default:
1131                 name = "Unknown";
1132         }
1133
1134         return (name);
1135 }
1136
1137 char *
1138 xrandr_geteventname(XEvent *e)
1139 {
1140         char                    *name = NULL;
1141
1142         switch(e->type - xrandr_eventbase) {
1143         case RRScreenChangeNotify:
1144                 name = "RRScreenChangeNotify";
1145                 break;
1146         default:
1147                 name = "Unknown";
1148         }
1149
1150         return (name);
1151 }
1152
1153 void
1154 dumpwins(struct swm_region *r, union arg *args)
1155 {
1156         struct ws_win                           *win;
1157         uint16_t                                state;
1158         xcb_get_window_attributes_cookie_t      c;
1159         xcb_get_window_attributes_reply_t       *wa;
1160
1161         if (r->ws == NULL) {
1162                 warnx("dumpwins: invalid workspace");
1163                 return;
1164         }
1165
1166         warnx("=== managed window list ws %02d ===", r->ws->idx);
1167         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1168                 state = getstate(win->id);
1169                 c = xcb_get_window_attributes(conn, win->id);
1170                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1171                 if (wa) {
1172                         warnx("window: 0x%x, map_state: %d, state: %u, "
1173                                 "transient: 0x%x", win->id, wa->map_state,
1174                                 state, win->transient);
1175                         free(wa);
1176                 } else
1177                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1178                             win->id);
1179         }
1180
1181         warnx("===== unmanaged window list =====");
1182         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1183                 state = getstate(win->id);
1184                 c = xcb_get_window_attributes(conn, win->id);
1185                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1186                 if (wa) {
1187                         warnx("window: 0x%x, map_state: %d, state: %u, "
1188                                 "transient: 0x%x", win->id, wa->map_state,
1189                                 state, win->transient);
1190                         free(wa);
1191                 } else
1192                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1193                             win->id);
1194         }
1195
1196         warnx("=================================");
1197 }
1198 #else
1199 void
1200 dumpwins(struct swm_region *r, union arg *args)
1201 {
1202 }
1203 #endif /* SWM_DEBUG */
1204
1205 void                    expose(XEvent *);
1206 void                    keypress(XEvent *);
1207 void                    buttonpress(XEvent *);
1208 void                    configurerequest(XEvent *);
1209 void                    configurenotify(XEvent *);
1210 void                    destroynotify(XEvent *);
1211 void                    enternotify(XEvent *);
1212 void                    focusevent(XEvent *);
1213 void                    mapnotify(XEvent *);
1214 void                    mappingnotify(XEvent *);
1215 void                    maprequest(XEvent *);
1216 void                    propertynotify(XEvent *);
1217 void                    unmapnotify(XEvent *);
1218 void                    visibilitynotify(XEvent *);
1219 void                    clientmessage(XEvent *);
1220
1221 void                    (*handler[LASTEvent])(XEvent *) = {
1222                                 [Expose] = expose,
1223                                 [KeyPress] = keypress,
1224                                 [ButtonPress] = buttonpress,
1225                                 [ConfigureRequest] = configurerequest,
1226                                 [ConfigureNotify] = configurenotify,
1227                                 [DestroyNotify] = destroynotify,
1228                                 [EnterNotify] = enternotify,
1229                                 [FocusIn] = focusevent,
1230                                 [FocusOut] = focusevent,
1231                                 [MapNotify] = mapnotify,
1232                                 [MappingNotify] = mappingnotify,
1233                                 [MapRequest] = maprequest,
1234                                 [PropertyNotify] = propertynotify,
1235                                 [UnmapNotify] = unmapnotify,
1236                                 [VisibilityNotify] = visibilitynotify,
1237                                 [ClientMessage] = clientmessage,
1238 };
1239
1240 void
1241 sighdlr(int sig)
1242 {
1243         int                     saved_errno, status;
1244         pid_t                   pid;
1245
1246         saved_errno = errno;
1247
1248         switch (sig) {
1249         case SIGCHLD:
1250                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1251                         if (pid == -1) {
1252                                 if (errno == EINTR)
1253                                         continue;
1254 #ifdef SWM_DEBUG
1255                                 if (errno != ECHILD)
1256                                         warn("sighdlr: waitpid");
1257 #endif /* SWM_DEBUG */
1258                                 break;
1259                         }
1260                         if (pid == searchpid)
1261                                 search_resp = 1;
1262
1263 #ifdef SWM_DEBUG
1264                         if (WIFEXITED(status)) {
1265                                 if (WEXITSTATUS(status) != 0)
1266                                         warnx("sighdlr: child exit status: %d",
1267                                             WEXITSTATUS(status));
1268                         } else
1269                                 warnx("sighdlr: child is terminated "
1270                                     "abnormally");
1271 #endif /* SWM_DEBUG */
1272                 }
1273                 break;
1274
1275         case SIGHUP:
1276                 restart_wm = 1;
1277                 break;
1278         case SIGINT:
1279         case SIGTERM:
1280         case SIGQUIT:
1281                 running = 0;
1282                 break;
1283         }
1284
1285         errno = saved_errno;
1286 }
1287
1288 struct pid_e *
1289 find_pid(long pid)
1290 {
1291         struct pid_e            *p = NULL;
1292
1293         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1294
1295         if (pid == 0)
1296                 return (NULL);
1297
1298         TAILQ_FOREACH(p, &pidlist, entry) {
1299                 if (p->pid == pid)
1300                         return (p);
1301         }
1302
1303         return (NULL);
1304 }
1305
1306 uint32_t
1307 name_to_color(const char *colorname)
1308 {
1309         uint32_t                        result = 0;
1310         char                            cname[32] = "#";
1311         xcb_screen_t                    *screen;
1312         xcb_colormap_t                  cmap;
1313         xcb_alloc_color_reply_t         *cr;
1314         xcb_alloc_named_color_reply_t   *nr;
1315         uint16_t                        rr, gg, bb;
1316
1317         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1318         cmap = screen->default_colormap;
1319
1320         /* color is in format rgb://rr/gg/bb */
1321         if (strncmp(colorname, "rgb:", 4) == 0) {
1322                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1323                         warnx("could not parse rgb %s", colorname);
1324                 else {
1325                         cr = xcb_alloc_color_reply(conn,
1326                                 xcb_alloc_color(conn, cmap, rr, gg, bb),
1327                                 NULL);
1328                         if (cr) {
1329                                 result = cr->pixel;
1330                                 free(cr);
1331                         } else
1332                                 warnx("color '%s' not found", colorname);
1333                 }
1334         } else {
1335                 nr = xcb_alloc_named_color_reply(conn,
1336                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1337                                 colorname),
1338                         NULL);
1339                 if (!nr) {
1340                         strlcat(cname, colorname + 2, sizeof cname - 1);
1341                         nr = xcb_alloc_named_color_reply(conn,
1342                                 xcb_alloc_named_color(conn, cmap, strlen(cname),
1343                                         cname),
1344                                 NULL);
1345                 }
1346                 if (nr) {
1347                         result = nr->pixel;
1348                         free(nr);
1349                 } else
1350                         warnx("color '%s' not found", colorname);
1351         }
1352
1353         return (result);
1354 }
1355
1356 void
1357 setscreencolor(char *val, int i, int c)
1358 {
1359         int     num_screens;
1360
1361         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1362         if (i > 0 && i <= num_screens) {
1363                 screens[i - 1].c[c].color = name_to_color(val);
1364                 free(screens[i - 1].c[c].name);
1365                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1366                         err(1, "strdup");
1367         } else if (i == -1) {
1368                 for (i = 0; i < num_screens; i++) {
1369                         screens[i].c[c].color = name_to_color(val);
1370                         free(screens[i].c[c].name);
1371                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1372                                 err(1, "strdup");
1373                 }
1374         } else
1375                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1376                     i, num_screens);
1377 }
1378
1379 void
1380 fancy_stacker(struct workspace *ws)
1381 {
1382         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1383         if (ws->cur_layout->l_stack == vertical_stack)
1384                 snprintf(ws->stacker, sizeof ws->stacker,
1385                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1386                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1387         if (ws->cur_layout->l_stack == horizontal_stack)
1388                 snprintf(ws->stacker, sizeof ws->stacker,
1389                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1390                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1391 }
1392
1393 void
1394 plain_stacker(struct workspace *ws)
1395 {
1396         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1397         if (ws->cur_layout->l_stack == vertical_stack)
1398                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1399                     sizeof ws->stacker);
1400         if (ws->cur_layout->l_stack == horizontal_stack)
1401                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1402                     sizeof ws->stacker);
1403 }
1404
1405 void
1406 custom_region(char *val)
1407 {
1408         unsigned int                    sidx, x, y, w, h;
1409         int                             num_screens;
1410         xcb_screen_t                    *screen;
1411
1412         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1413         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1414                 errx(1, "invalid custom region, "
1415                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1416         if (sidx < 1 || sidx > num_screens)
1417                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1418                     sidx, num_screens);
1419         sidx--;
1420
1421         screen = get_screen(sidx);
1422         if (w < 1 || h < 1)
1423                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1424
1425         if (x > screen->width_in_pixels ||
1426             y > screen->height_in_pixels ||
1427             w + x > screen->width_in_pixels ||
1428             h + y > screen->height_in_pixels) {
1429                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1430                     "boundaries (%ux%u)", w, h, x, y,
1431                     screen->width_in_pixels, screen->height_in_pixels);
1432                 return;
1433         }
1434
1435         new_region(&screens[sidx], x, y, w, h);
1436 }
1437
1438 void
1439 socket_setnonblock(int fd)
1440 {
1441         int                     flags;
1442
1443         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1444                 err(1, "fcntl F_GETFL");
1445         flags |= O_NONBLOCK;
1446         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1447                 err(1, "fcntl F_SETFL");
1448 }
1449
1450 void
1451 bar_print(struct swm_region *r, const char *s)
1452 {
1453         int                     x = 0;
1454         size_t                  len;
1455         xcb_rectangle_t         rect;
1456         uint32_t                gcv[1];
1457         XRectangle              ibox, lbox;
1458
1459         len = strlen(s);
1460         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1461
1462         switch (bar_justify) {
1463         case SWM_BAR_JUSTIFY_LEFT:
1464                 x = SWM_BAR_OFFSET;
1465                 break;
1466         case SWM_BAR_JUSTIFY_CENTER:
1467                 x = (WIDTH(r) - lbox.width) / 2;
1468                 break;
1469         case SWM_BAR_JUSTIFY_RIGHT:
1470                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1471                 break;
1472         }
1473
1474         if (x < SWM_BAR_OFFSET)
1475                 x = SWM_BAR_OFFSET;
1476
1477         rect.x = 0;
1478         rect.y = 0;
1479         rect.width = WIDTH(r->bar);
1480         rect.height = HEIGHT(r->bar);
1481
1482         /* clear back buffer */
1483         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1484         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1485         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1486                 sizeof(rect), &rect);
1487
1488         /* draw back buffer */
1489         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1490         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1491         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1492                 (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1493                 lbox.y, s);
1494
1495         /* blt */
1496         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1497                 0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1498 }
1499
1500 void
1501 bar_extra_stop(void)
1502 {
1503         if (bar_pipe[0]) {
1504                 close(bar_pipe[0]);
1505                 bzero(bar_pipe, sizeof bar_pipe);
1506         }
1507         if (bar_pid) {
1508                 kill(bar_pid, SIGTERM);
1509                 bar_pid = 0;
1510         }
1511         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1512         bar_extra = 0;
1513 }
1514
1515 void
1516 bar_class_name(char *s, size_t sz, struct swm_region *r)
1517 {
1518         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1519                 return;
1520         if (r->ws->focus->ch.class_name != NULL)
1521                 strlcat(s, r->ws->focus->ch.class_name, sz);
1522 }
1523
1524 void
1525 bar_title_name(char *s, size_t sz, struct swm_region *r)
1526 {
1527         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1528                 return;
1529         if (r->ws->focus->ch.instance_name != NULL)
1530                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1531 }
1532
1533 void
1534 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1535 {
1536         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1537                 return;
1538
1539         bar_class_name(s, sz, r);
1540         strlcat(s, ":", sz);
1541         bar_title_name(s, sz, r);
1542 }
1543
1544 void
1545 bar_window_float(char *s, size_t sz, struct swm_region *r)
1546 {
1547         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1548                 return;
1549         if (r->ws->focus->floating)
1550                 strlcat(s, "(f)", sz);
1551 }
1552
1553 void
1554 bar_window_name(char *s, size_t sz, struct swm_region *r)
1555 {
1556         char            *title;
1557
1558         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1559                 return;
1560         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1561                 return;
1562
1563         strlcat(s, title, sz);
1564         free(title);
1565 }
1566
1567 int             urgent[SWM_WS_MAX];
1568 void
1569 bar_urgent(char *s, size_t sz)
1570 {
1571         struct ws_win           *win;
1572         int                     i, j, num_screens;
1573         char                    b[8];
1574         xcb_get_property_cookie_t       c;
1575         xcb_icccm_wm_hints_t    hints;
1576
1577         for (i = 0; i < workspace_limit; i++)
1578                 urgent[i] = 0;
1579
1580         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1581         for (i = 0; i < num_screens; i++)
1582                 for (j = 0; j < workspace_limit; j++)
1583                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1584                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1585                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1586                                                 &hints, NULL) == 0)
1587                                         continue;
1588                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1589                                         urgent[j] = 1;
1590                         }
1591
1592         for (i = 0; i < workspace_limit; i++) {
1593                 if (urgent[i])
1594                         snprintf(b, sizeof b, "%d ", i + 1);
1595                 else
1596                         snprintf(b, sizeof b, "- ");
1597                 strlcat(s, b, sz);
1598         }
1599 }
1600
1601 void
1602 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1603 {
1604         if (r == NULL || r->ws == NULL)
1605                 return;
1606         if (r->ws->name != NULL)
1607                 strlcat(s, r->ws->name, sz);
1608 }
1609
1610 /* build the default bar format according to the defined enabled options */
1611 void
1612 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1613 {
1614         /* if format provided, just copy the buffers */
1615         if (bar_format != NULL) {
1616                 strlcpy(fmtnew, fmtexp, sz);
1617                 return;
1618         }
1619
1620         /* reset the output buffer */
1621         *fmtnew = '\0';
1622
1623         strlcat(fmtnew, "+N:+I ", sz);
1624         if (stack_enabled)
1625                 strlcat(fmtnew, "+S", sz);
1626         strlcat(fmtnew, " ", sz);
1627
1628         /* only show the workspace name if there's actually one */
1629         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1630                 strlcat(fmtnew, "<+D>", sz);
1631         strlcat(fmtnew, "+3<", sz);
1632
1633         if (clock_enabled) {
1634                 strlcat(fmtnew, fmtexp, sz);
1635                 strlcat(fmtnew, "+4<", sz);
1636         }
1637
1638         /* bar_urgent already adds the space before the last asterisk */
1639         if (urgent_enabled)
1640                 strlcat(fmtnew, "* +U*+4<", sz);
1641
1642         if (title_class_enabled) {
1643                 strlcat(fmtnew, "+C", sz);
1644                 if (title_name_enabled == 0)
1645                         strlcat(fmtnew, "+4<", sz);
1646         }
1647
1648         /* checks needed by the colon and floating strlcat(3) calls below */
1649         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1650                 if (title_name_enabled) {
1651                         if (title_class_enabled)
1652                                 strlcat(fmtnew, ":", sz);
1653                         strlcat(fmtnew, "+T+4<", sz);
1654                 }
1655                 if (window_name_enabled) {
1656                         if (r->ws->focus->floating)
1657                                 strlcat(fmtnew, "+F ", sz);
1658                         strlcat(fmtnew, "+64W ", sz);
1659                 }
1660         }
1661
1662         /* finally add the action script output and the version */
1663         strlcat(fmtnew, "+4<+A+4<+V", sz);
1664 }
1665
1666 void
1667 bar_replace_pad(char *tmp, int *limit, size_t sz)
1668 {
1669         /* special case; no limit given, pad one space, instead */
1670         if (*limit == sz - 1)
1671                 *limit = 1;
1672         snprintf(tmp, sz, "%*s", *limit, " ");
1673 }
1674
1675 /* replaces the bar format character sequences (like in tmux(1)) */
1676 char *
1677 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1678     size_t sz)
1679 {
1680         char                    *ptr;
1681         char                    tmp[SWM_BAR_MAX];
1682         int                     limit, size;
1683         size_t                  len;
1684
1685         /* reset strlcat(3) buffer */
1686         *tmp = '\0';
1687
1688         /* get number, if any */
1689         fmt++;
1690         size = 0;
1691         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1692                 limit = sizeof tmp - 1;
1693         if (limit <= 0 || limit >= sizeof tmp)
1694                 limit = sizeof tmp - 1;
1695
1696         /* there is nothing to replace (ie EOL) */
1697         fmt += size;
1698         if (*fmt == '\0')
1699                 return (fmt);
1700
1701         switch (*fmt) {
1702         case '<':
1703                 bar_replace_pad(tmp, &limit, sizeof tmp);
1704                 break;
1705         case 'A':
1706                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1707                 break;
1708         case 'C':
1709                 bar_class_name(tmp, sizeof tmp, r);
1710                 break;
1711         case 'D':
1712                 bar_workspace_name(tmp, sizeof tmp, r);
1713                 break;
1714         case 'F':
1715                 bar_window_float(tmp, sizeof tmp, r);
1716                 break;
1717         case 'I':
1718                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1719                 break;
1720         case 'N':
1721                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1722                 break;
1723         case 'P':
1724                 bar_class_title_name(tmp, sizeof tmp, r);
1725                 break;
1726         case 'S':
1727                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1728                 break;
1729         case 'T':
1730                 bar_title_name(tmp, sizeof tmp, r);
1731                 break;
1732         case 'U':
1733                 bar_urgent(tmp, sizeof tmp);
1734                 break;
1735         case 'V':
1736                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1737                 break;
1738         case 'W':
1739                 bar_window_name(tmp, sizeof tmp, r);
1740                 break;
1741         default:
1742                 /* unknown character sequence; copy as-is */
1743                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1744                 break;
1745         }
1746
1747         len = strlen(tmp);
1748         ptr = tmp;
1749         if (len < limit)
1750                 limit = len;
1751         while (limit-- > 0) {
1752                 if (*offrep >= sz - 1)
1753                         break;
1754                 fmtrep[(*offrep)++] = *ptr++;
1755         }
1756
1757         fmt++;
1758         return (fmt);
1759 }
1760
1761 void
1762 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1763 {
1764         size_t                  off;
1765
1766         off = 0;
1767         while (*fmt != '\0') {
1768                 if (*fmt != '+') {
1769                         /* skip ordinary characters */
1770                         if (off >= sz - 1)
1771                                 break;
1772                         fmtrep[off++] = *fmt++;
1773                         continue;
1774                 }
1775
1776                 /* character sequence found; replace it */
1777                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1778                 if (off >= sz - 1)
1779                         break;
1780         }
1781
1782         fmtrep[off] = '\0';
1783 }
1784
1785 void
1786 bar_fmt_expand(char *fmtexp, size_t sz)
1787 {
1788         char                    *fmt = NULL;
1789         size_t                  len;
1790         struct tm               tm;
1791         time_t                  tmt;
1792
1793         /* start by grabbing the current time and date */
1794         time(&tmt);
1795         localtime_r(&tmt, &tm);
1796
1797         /* figure out what to expand */
1798         if (bar_format != NULL)
1799                 fmt = bar_format;
1800         else if (bar_format == NULL && clock_enabled)
1801                 fmt = clock_format;
1802         /* if nothing to expand bail out */
1803         if (fmt == NULL) {
1804                 *fmtexp = '\0';
1805                 return;
1806         }
1807
1808         /* copy as-is, just in case the format shouldn't be expanded below */
1809         strlcpy(fmtexp, fmt, sz);
1810         /* finally pass the string through strftime(3) */
1811 #ifndef SWM_DENY_CLOCK_FORMAT
1812         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1813                 warnx("format too long");
1814         fmtexp[len] = '\0';
1815 #endif
1816 }
1817
1818 void
1819 bar_fmt_print(void)
1820 {
1821         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1822         char                    fmtrep[SWM_BAR_MAX];
1823         int                     i, num_screens;
1824         struct swm_region       *r;
1825
1826         /* expand the format by first passing it through strftime(3) */
1827         bar_fmt_expand(fmtexp, sizeof fmtexp);
1828
1829         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1830         for (i = 0; i < num_screens; i++) {
1831                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1832                         if (r->bar == NULL)
1833                                 continue;
1834                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1835                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1836                         bar_print(r, fmtrep);
1837                 }
1838         }
1839 }
1840
1841 void
1842 bar_update(void)
1843 {
1844         size_t                  len;
1845         char                    *b;
1846
1847         if (bar_enabled == 0)
1848                 return;
1849         if (bar_extra && bar_extra_running) {
1850                 /* ignore short reads; it'll correct itself */
1851                 while ((b = fgetln(stdin, &len)) != NULL)
1852                         if (b && b[len - 1] == '\n') {
1853                                 b[len - 1] = '\0';
1854                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1855                         }
1856                 if (b == NULL && errno != EAGAIN) {
1857                         warn("bar_update: bar_extra failed");
1858                         bar_extra_stop();
1859                 }
1860         } else
1861                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1862
1863         bar_fmt_print();
1864         alarm(bar_delay);
1865 }
1866
1867 void
1868 bar_signal(int sig)
1869 {
1870         bar_alarm = 1;
1871 }
1872
1873 void
1874 bar_toggle(struct swm_region *r, union arg *args)
1875 {
1876         struct swm_region       *tmpr;
1877         int                     i, num_screens;
1878
1879         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1880
1881         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1882         if (bar_enabled) {
1883                 for (i = 0; i < num_screens; i++)
1884                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1885                                 if (tmpr->bar)
1886                                         xcb_unmap_window(conn, tmpr->bar->id);
1887         } else {
1888                 for (i = 0; i < num_screens; i++)
1889                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1890                                 if (tmpr->bar)
1891                                         map_window_raised(tmpr->bar->id);
1892         }
1893
1894         bar_enabled = !bar_enabled;
1895
1896         stack();
1897         /* must be after stack */
1898         bar_update();
1899 }
1900
1901 void
1902 bar_refresh(void)
1903 {
1904         struct swm_region       *r;
1905         uint32_t                wa[2];
1906         int                     i, num_screens;
1907
1908         /* do this here because the conf file is in memory */
1909         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1910                 /* launch external status app */
1911                 bar_extra_running = 1;
1912                 if (pipe(bar_pipe) == -1)
1913                         err(1, "pipe error");
1914                 socket_setnonblock(bar_pipe[0]);
1915                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1916                 if (dup2(bar_pipe[0], 0) == -1)
1917                         err(1, "dup2");
1918                 if (dup2(bar_pipe[1], 1) == -1)
1919                         err(1, "dup2");
1920                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1921                         err(1, "could not disable SIGPIPE");
1922                 switch (bar_pid = fork()) {
1923                 case -1:
1924                         err(1, "cannot fork");
1925                         break;
1926                 case 0: /* child */
1927                         close(bar_pipe[0]);
1928                         execvp(bar_argv[0], bar_argv);
1929                         err(1, "%s external app failed", bar_argv[0]);
1930                         break;
1931                 default: /* parent */
1932                         close(bar_pipe[1]);
1933                         break;
1934                 }
1935         }
1936
1937         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1938         for (i = 0; i < num_screens; i++)
1939                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1940                         if (r->bar == NULL)
1941                                 continue;
1942                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1943                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1944                         xcb_change_window_attributes(conn, r->bar->id,
1945                                 XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1946                 }
1947         bar_update();
1948 }
1949
1950 void
1951 bar_setup(struct swm_region *r)
1952 {
1953         char                    *default_string;
1954         char                    **missing_charsets;
1955         int                     num_missing_charsets = 0;
1956         int                     i;
1957         xcb_screen_t            *screen = get_screen(r->s->idx);
1958         uint32_t                wa[2];
1959
1960         if (bar_fs) {
1961                 XFreeFontSet(display, bar_fs);
1962                 bar_fs = NULL;
1963         }
1964
1965         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1966                 err(1, "bar_setup: calloc: failed to allocate memory.");
1967
1968         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1969
1970         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1971             &num_missing_charsets, &default_string);
1972
1973         if (num_missing_charsets > 0) {
1974                 warnx("Unable to load charset(s):");
1975
1976                 for (i = 0; i < num_missing_charsets; ++i)
1977                         warnx("%s", missing_charsets[i]);
1978
1979                 XFreeStringList(missing_charsets);
1980
1981                 if (strcmp(default_string, ""))
1982                         warnx("Glyphs from those sets will be replaced "
1983                             "by '%s'.", default_string);
1984                 else
1985                         warnx("Glyphs from those sets won't be drawn.");
1986         }
1987
1988         if (bar_fs == NULL)
1989                 errx(1, "Error creating font set structure.");
1990
1991         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1992
1993         bar_height = bar_fs_extents->max_logical_extent.height +
1994             2 * bar_border_width;
1995
1996         if (bar_height < 1)
1997                 bar_height = 1;
1998
1999         X(r->bar) = X(r);
2000         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2001         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2002         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2003
2004         r->bar->id = xcb_generate_id(conn);
2005         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
2006         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
2007         xcb_create_window(conn, screen->root_depth, r->bar->id, r->s->root,
2008                 X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2009                 bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2010                 screen->root_visual, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL,
2011                 wa);
2012
2013         r->bar->buffer = xcb_generate_id(conn);
2014         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2015                 WIDTH(r->bar), HEIGHT(r->bar));
2016
2017         xcb_randr_select_input(conn, r->bar->id,
2018                 XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2019
2020         if (bar_enabled)
2021                 map_window_raised(r->bar->id);
2022
2023         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2024             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2025             HEIGHT(r->bar));
2026
2027         if (signal(SIGALRM, bar_signal) == SIG_ERR)
2028                 err(1, "could not install bar_signal");
2029         bar_refresh();
2030 }
2031
2032 void
2033 bar_cleanup(struct swm_region *r)
2034 {
2035         if (r->bar == NULL)
2036                 return;
2037         xcb_destroy_window(conn, r->bar->id);
2038         xcb_free_pixmap(conn, r->bar->buffer);
2039         free(r->bar);
2040         r->bar = NULL;
2041 }
2042
2043 void
2044 drain_enter_notify(void)
2045 {
2046         int                     i = 0;
2047
2048         while (xcb_poll_for_event(conn))
2049                 i++;
2050
2051         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
2052 }
2053
2054 void
2055 set_win_state(struct ws_win *win, uint16_t state)
2056 {
2057         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2058
2059         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
2060
2061         if (win == NULL)
2062                 return;
2063
2064         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, astate,
2065                 astate, 32, 2, data);
2066 }
2067
2068 uint16_t
2069 getstate(xcb_window_t w)
2070 {
2071         uint16_t                        result = 0;
2072         xcb_get_property_cookie_t       c;
2073         xcb_get_property_reply_t        *r;
2074
2075         c = xcb_get_property(conn, False, w, astate, astate, 0L, 2L);
2076         r = xcb_get_property_reply(conn, c, NULL);
2077
2078         if (r) {
2079                 result = *((uint16_t *)xcb_get_property_value(r));
2080                 free(r);
2081         }
2082
2083         return (result);
2084 }
2085
2086 void
2087 version(struct swm_region *r, union arg *args)
2088 {
2089         bar_version = !bar_version;
2090         if (bar_version)
2091                 snprintf(bar_vertext, sizeof bar_vertext,
2092                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2093         else
2094                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2095         bar_update();
2096 }
2097
2098 void
2099 client_msg(struct ws_win *win, xcb_atom_t a)
2100 {
2101         xcb_client_message_event_t      ev;
2102
2103         if (win == NULL)
2104                 return;
2105
2106         bzero(&ev, sizeof ev);
2107         ev.response_type = XCB_CLIENT_MESSAGE;
2108         ev.window = win->id;
2109         ev.type = aprot;
2110         ev.format = 32;
2111         ev.data.data32[0] = a;
2112         ev.data.data32[1] = XCB_CURRENT_TIME;
2113
2114         xcb_send_event(conn, False, win->id,
2115                 XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2116         xcb_flush(conn);
2117 }
2118
2119 /* synthetic response to a ConfigureRequest when not making a change */
2120 void
2121 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
2122 {
2123         xcb_configure_notify_event_t ce;
2124
2125         if (win == NULL)
2126                 return;
2127
2128         /* send notification of unchanged state. */
2129         bzero(&ce, sizeof(ce));
2130         ce.response_type = XCB_CONFIGURE_NOTIFY;
2131         ce.x = X(win);
2132         ce.y = Y(win);
2133         ce.width = WIDTH(win);
2134         ce.height = HEIGHT(win);
2135         ce.override_redirect = False;
2136
2137         if (ev == NULL) {
2138                 /* EWMH */
2139                 ce.event = win->id;
2140                 ce.window = win->id;
2141                 ce.border_width = BORDER(win);
2142                 ce.above_sibling = XCB_WINDOW_NONE;
2143         } else {
2144                 /* normal */
2145                 ce.event = ev->window;
2146                 ce.window = ev->window;
2147
2148                 /* make response appear more WM_SIZE_HINTS-compliant */
2149                 if (win->sh.flags)
2150                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2151                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2152                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2153                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2154                             SH_INC_W(win), SH_INC_H(win));
2155
2156                 /* min size */
2157                 if (SH_MIN(win)) {
2158                         /* the hint may be set... to 0! */
2159                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2160                                 ce.width = SH_MIN_W(win);
2161                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2162                                 ce.height = SH_MIN_H(win);
2163                 }
2164
2165                 /* max size */
2166                 if (SH_MAX(win)) {
2167                         /* may also be advertized as 0 */
2168                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2169                                 ce.width = SH_MAX_W(win);
2170                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2171                                 ce.height = SH_MAX_H(win);
2172                 }
2173
2174                 /* resize increment. */
2175                 if (SH_INC(win)) {
2176                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2177                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2178                                     SH_INC_W(win);
2179                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2180                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2181                                     SH_INC_H(win);
2182                 }
2183
2184                 /* adjust x and y for requested border_width. */
2185                 ce.x += BORDER(win) - ev->border_width;
2186                 ce.y += BORDER(win) - ev->border_width;
2187                 ce.border_width = ev->border_width;
2188                 ce.above_sibling = ev->above;
2189         }
2190
2191         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2192             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2193             ce.y, ce.width, ce.height, ce.border_width);
2194
2195         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2196                 (char *)&ce);
2197         xcb_flush(conn);
2198 }
2199
2200 int
2201 count_win(struct workspace *ws, int count_transient)
2202 {
2203         struct ws_win           *win;
2204         int                     count = 0;
2205
2206         TAILQ_FOREACH(win, &ws->winlist, entry) {
2207                 if (count_transient == 0 && win->floating)
2208                         continue;
2209                 if (count_transient == 0 && win->transient)
2210                         continue;
2211                 if (win->iconic)
2212                         continue;
2213                 count++;
2214         }
2215         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2216
2217         return (count);
2218 }
2219
2220 void
2221 quit(struct swm_region *r, union arg *args)
2222 {
2223         DNPRINTF(SWM_D_MISC, "quit\n");
2224         running = 0;
2225 }
2226
2227 void
2228 unmap_window(struct ws_win *win)
2229 {
2230         if (win == NULL)
2231                 return;
2232
2233         /* don't unmap again */
2234         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2235                 return;
2236
2237         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2238
2239         xcb_unmap_window(conn, win->id);
2240         xcb_change_window_attributes(conn, win->id,
2241                 XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2242 }
2243
2244 void
2245 unmap_all(void)
2246 {
2247         struct ws_win           *win;
2248         int                     i, j, num_screens;
2249
2250         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2251         for (i = 0; i < num_screens; i++)
2252                 for (j = 0; j < workspace_limit; j++)
2253                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2254                                 unmap_window(win);
2255 }
2256
2257 void
2258 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2259 {
2260         xcb_key_press_event_t   event;
2261         xcb_key_symbols_t       *syms;
2262         xcb_keycode_t           *keycode;
2263
2264         if (win == NULL)
2265                 return;
2266
2267         syms = xcb_key_symbols_alloc(conn);
2268         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2269
2270         event.event = win->id;
2271         event.root = win->s->root;
2272         event.child = XCB_WINDOW_NONE;
2273         event.time = XCB_CURRENT_TIME;
2274         event.event_x = X(win);
2275         event.event_y = Y(win);
2276         event.root_x = 1;
2277         event.root_y = 1;
2278         event.same_screen = True;
2279         event.detail = *keycode;
2280         event.state = modifiers;
2281
2282         event.response_type = XCB_KEY_PRESS;
2283         xcb_send_event(conn, True, win->id,
2284                  XCB_EVENT_MASK_KEY_PRESS, (char *)&event);
2285
2286         event.response_type = XCB_KEY_RELEASE;
2287         xcb_send_event(conn, True, win->id,
2288                 XCB_EVENT_MASK_KEY_RELEASE, (char *)&event);
2289         xcb_flush(conn);
2290
2291         xcb_key_symbols_free(syms);
2292 }
2293
2294 void
2295 restart(struct swm_region *r, union arg *args)
2296 {
2297         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2298
2299         /* disable alarm because the following code may not be interrupted */
2300         alarm(0);
2301         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2302                 err(1, "can't disable alarm");
2303
2304         bar_extra_stop();
2305         bar_extra = 1;
2306         unmap_all();
2307         XCloseDisplay(display);
2308         execvp(start_argv[0], start_argv);
2309         warn("execvp failed");
2310         quit(NULL, NULL);
2311 }
2312
2313 struct swm_region *
2314 root_to_region(xcb_window_t root)
2315 {
2316         struct swm_region       *r = NULL;
2317         int                     i, num_screens;
2318         xcb_query_pointer_reply_t       *qpr;
2319
2320         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2321
2322         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2323         for (i = 0; i < num_screens; i++)
2324                 if (screens[i].root == root)
2325                         break;
2326
2327         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2328                 screens[i].root), NULL);
2329
2330         if (qpr) {
2331                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2332                     qpr->root_x, qpr->root_y);
2333                 /* choose a region based on pointer location */
2334                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2335                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2336                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2337                                 break;
2338                 free(qpr);
2339         }
2340
2341         if (r == NULL)
2342                 r = TAILQ_FIRST(&screens[i].rl);
2343
2344         return (r);
2345 }
2346
2347 struct ws_win *
2348 find_unmanaged_window(xcb_window_t id)
2349 {
2350         struct ws_win           *win;
2351         int                     i, j, num_screens;
2352
2353         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2354         for (i = 0; i < num_screens; i++)
2355                 for (j = 0; j < workspace_limit; j++)
2356                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2357                             entry)
2358                                 if (id == win->id)
2359                                         return (win);
2360         return (NULL);
2361 }
2362
2363 struct ws_win *
2364 find_window(xcb_window_t id)
2365 {
2366         struct ws_win           *win;
2367         int                     i, j, num_screens;
2368         xcb_query_tree_cookie_t c;
2369         xcb_query_tree_reply_t  *r;
2370
2371         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2372         for (i = 0; i < num_screens; i++)
2373                 for (j = 0; j < workspace_limit; j++)
2374                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2375                                 if (id == win->id)
2376                                         return (win);
2377
2378         c = xcb_query_tree(conn, id);
2379         r = xcb_query_tree_reply(conn, c, NULL);
2380         if (!r)
2381                 return (NULL);
2382
2383         /* if we were looking for the parent return that window instead */
2384         if (r->parent == 0 || r->root == r->parent)
2385                 return (NULL);
2386
2387         /* look for parent */
2388         for (i = 0; i < num_screens; i++)
2389                 for (j = 0; j < workspace_limit; j++)
2390                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2391                                 if (r->parent == win->id) {
2392                                         free(r);
2393                                         return (win);
2394                                 }
2395
2396         free(r);
2397         return (NULL);
2398 }
2399
2400 void
2401 spawn(int ws_idx, union arg *args, int close_fd)
2402 {
2403         int                     fd;
2404         char                    *ret = NULL;
2405
2406         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2407
2408         if (display)
2409                 close(xcb_get_file_descriptor(conn));
2410
2411         setenv("LD_PRELOAD", SWM_LIB, 1);
2412
2413         if (asprintf(&ret, "%d", ws_idx) == -1) {
2414                 warn("spawn: asprintf SWM_WS");
2415                 _exit(1);
2416         }
2417         setenv("_SWM_WS", ret, 1);
2418         free(ret);
2419         ret = NULL;
2420
2421         if (asprintf(&ret, "%d", getpid()) == -1) {
2422                 warn("spawn: asprintf _SWM_PID");
2423                 _exit(1);
2424         }
2425         setenv("_SWM_PID", ret, 1);
2426         free(ret);
2427         ret = NULL;
2428
2429         if (setsid() == -1) {
2430                 warn("spawn: setsid");
2431                 _exit(1);
2432         }
2433
2434         if (close_fd) {
2435                 /*
2436                  * close stdin and stdout to prevent interaction between apps
2437                  * and the baraction script
2438                  * leave stderr open to record errors
2439                 */
2440                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2441                         warn("spawn: open");
2442                         _exit(1);
2443                 }
2444                 dup2(fd, STDIN_FILENO);
2445                 dup2(fd, STDOUT_FILENO);
2446                 if (fd > 2)
2447                         close(fd);
2448         }
2449
2450         execvp(args->argv[0], args->argv);
2451
2452         warn("spawn: execvp");
2453         _exit(1);
2454 }
2455
2456 void
2457 kill_refs(struct ws_win *win)
2458 {
2459         int                     i, x, num_screens;
2460         struct swm_region       *r;
2461         struct workspace        *ws;
2462
2463         if (win == NULL)
2464                 return;
2465
2466         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2467         for (i = 0; i < num_screens; i++)
2468                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2469                         for (x = 0; x < workspace_limit; x++) {
2470                                 ws = &r->s->ws[x];
2471                                 if (win == ws->focus)
2472                                         ws->focus = NULL;
2473                                 if (win == ws->focus_prev)
2474                                         ws->focus_prev = NULL;
2475                         }
2476 }
2477
2478 int
2479 validate_win(struct ws_win *testwin)
2480 {
2481         struct ws_win           *win;
2482         struct workspace        *ws;
2483         struct swm_region       *r;
2484         int                     i, x, num_screens;
2485
2486         if (testwin == NULL)
2487                 return (0);
2488
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                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2495                                         if (win == testwin)
2496                                                 return (0);
2497                         }
2498         return (1);
2499 }
2500
2501 int
2502 validate_ws(struct workspace *testws)
2503 {
2504         struct swm_region       *r;
2505         struct workspace        *ws;
2506         int                     i, x, num_screens;
2507
2508         /* validate all ws */
2509         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2510         for (i = 0; i < num_screens; i++)
2511                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2512                         for (x = 0; x < workspace_limit; x++) {
2513                                 ws = &r->s->ws[x];
2514                                 if (ws == testws)
2515                                         return (0);
2516                         }
2517         return (1);
2518 }
2519
2520 void
2521 unfocus_win(struct ws_win *win)
2522 {
2523         XEvent                  cne;
2524         xcb_window_t            none = XCB_WINDOW_NONE;
2525
2526         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2527
2528         if (win == NULL)
2529                 return;
2530         if (win->ws == NULL)
2531                 return;
2532
2533         if (validate_ws(win->ws))
2534                 return; /* XXX this gets hit with thunderbird, needs fixing */
2535
2536         if (win->ws->r == NULL)
2537                 return;
2538
2539         if (validate_win(win)) {
2540                 kill_refs(win);
2541                 return;
2542         }
2543
2544         if (win->ws->focus == win) {
2545                 win->ws->focus = NULL;
2546                 win->ws->focus_prev = win;
2547         }
2548
2549         if (validate_win(win->ws->focus)) {
2550                 kill_refs(win->ws->focus);
2551                 win->ws->focus = NULL;
2552         }
2553         if (validate_win(win->ws->focus_prev)) {
2554                 kill_refs(win->ws->focus_prev);
2555                 win->ws->focus_prev = NULL;
2556         }
2557
2558         /* drain all previous unfocus events */
2559         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2560                 ;
2561
2562         grabbuttons(win, 0);
2563         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2564                 &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2565         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2566                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2567                 &none);
2568 }
2569
2570 void
2571 unfocus_all(void)
2572 {
2573         struct ws_win           *win;
2574         int                     i, j, num_screens;
2575
2576         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2577
2578         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2579         for (i = 0; i < num_screens; i++)
2580                 for (j = 0; j < workspace_limit; j++)
2581                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2582                                 unfocus_win(win);
2583 }
2584
2585 void
2586 focus_win(struct ws_win *win)
2587 {
2588         XEvent                  cne;
2589         struct ws_win           *cfw = NULL;
2590         xcb_get_input_focus_cookie_t    c;
2591         xcb_get_input_focus_reply_t     *r;
2592         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2593
2594         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2595
2596         if (win == NULL)
2597                 return;
2598         if (win->ws == NULL)
2599                 return;
2600
2601         if (validate_ws(win->ws))
2602                 return; /* XXX this gets hit with thunderbird, needs fixing */
2603
2604         if (validate_win(win)) {
2605                 kill_refs(win);
2606                 return;
2607         }
2608
2609         if (validate_win(win)) {
2610                 kill_refs(win);
2611                 return;
2612         }
2613
2614         c = xcb_get_input_focus(conn);
2615         r = xcb_get_input_focus_reply(conn, c, NULL);
2616         if (r) {
2617                 cur_focus = r->focus;
2618                 free(r);
2619         }
2620         if ((cfw = find_window(cur_focus)) != NULL)
2621                 unfocus_win(cfw);
2622         else {
2623                 /* use larger hammer since the window was killed somehow */
2624                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2625                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2626                                 xcb_change_window_attributes(conn, cfw->id,
2627                                         XCB_CW_BORDER_PIXEL,
2628                                         &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2629         }
2630
2631         win->ws->focus = win;
2632
2633         if (win->ws->r != NULL) {
2634                 /* drain all previous focus events */
2635                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2636                         ;
2637
2638                 if (win->java == 0)
2639                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2640                                 win->id, XCB_CURRENT_TIME);
2641                 grabbuttons(win, 1);
2642                 xcb_change_window_attributes(conn, win->id,
2643                         XCB_CW_BORDER_PIXEL,
2644                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2645                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2646                     win->ws->always_raise)
2647                         map_window_raised(win->id);
2648
2649                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2650                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2651                         &win->id);
2652         }
2653
2654         bar_update();
2655 }
2656
2657 void
2658 switchws(struct swm_region *r, union arg *args)
2659 {
2660         int                     wsid = args->id, unmap_old = 0;
2661         struct swm_region       *this_r, *other_r;
2662         struct ws_win           *win;
2663         struct workspace        *new_ws, *old_ws;
2664         union arg               a;
2665
2666         if (!(r && r->s))
2667                 return;
2668
2669         if (wsid >= workspace_limit)
2670                 return;
2671
2672         this_r = r;
2673         old_ws = this_r->ws;
2674         new_ws = &this_r->s->ws[wsid];
2675
2676         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2677             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2678
2679         if (new_ws == NULL || old_ws == NULL)
2680                 return;
2681         if (new_ws == old_ws)
2682                 return;
2683
2684         other_r = new_ws->r;
2685         if (other_r == NULL) {
2686                 /* the other workspace is hidden, hide this one */
2687                 old_ws->r = NULL;
2688                 unmap_old = 1;
2689         } else {
2690                 /* the other ws is visible in another region, exchange them */
2691                 other_r->ws_prior = new_ws;
2692                 other_r->ws = old_ws;
2693                 old_ws->r = other_r;
2694         }
2695         this_r->ws_prior = old_ws;
2696         this_r->ws = new_ws;
2697         new_ws->r = this_r;
2698
2699         /* this is needed so that we can click on a window after a restart */
2700         unfocus_all();
2701
2702         stack();
2703         a.id = SWM_ARG_ID_FOCUSCUR;
2704         focus(new_ws->r, &a);
2705
2706         /* unmap old windows */
2707         if (unmap_old)
2708                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2709                         unmap_window(win);
2710
2711         if (focus_mode == SWM_FOCUS_DEFAULT)
2712                 drain_enter_notify();
2713 }
2714
2715 void
2716 cyclews(struct swm_region *r, union arg *args)
2717 {
2718         union                   arg a;
2719         struct swm_screen       *s = r->s;
2720         int                     cycle_all = 0;
2721
2722         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2723             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2724
2725         a.id = r->ws->idx;
2726         do {
2727                 switch (args->id) {
2728                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2729                         cycle_all = 1;
2730                         /* FALLTHROUGH */
2731                 case SWM_ARG_ID_CYCLEWS_UP:
2732                         if (a.id < workspace_limit - 1)
2733                                 a.id++;
2734                         else
2735                                 a.id = 0;
2736                         break;
2737                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2738                         cycle_all = 1;
2739                         /* FALLTHROUGH */
2740                 case SWM_ARG_ID_CYCLEWS_DOWN:
2741                         if (a.id > 0)
2742                                 a.id--;
2743                         else
2744                                 a.id = workspace_limit - 1;
2745                         break;
2746                 default:
2747                         return;
2748                 };
2749
2750                 if (!cycle_all &&
2751                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2752                         continue;
2753                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2754                         continue;
2755
2756                 switchws(r, &a);
2757         } while (a.id != r->ws->idx);
2758 }
2759
2760 void
2761 priorws(struct swm_region *r, union arg *args)
2762 {
2763         union arg               a;
2764
2765         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2766             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2767
2768         if (r->ws_prior == NULL)
2769                 return;
2770
2771         a.id = r->ws_prior->idx;
2772         switchws(r, &a);
2773 }
2774
2775 void
2776 cyclescr(struct swm_region *r, union arg *args)
2777 {
2778         struct swm_region       *rr = NULL;
2779         union arg               a;
2780         int                     i, x, y, num_screens;
2781
2782         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2783         /* do nothing if we don't have more than one screen */
2784         if (!(num_screens > 1 || outputs > 1))
2785                 return;
2786
2787         i = r->s->idx;
2788         switch (args->id) {
2789         case SWM_ARG_ID_CYCLESC_UP:
2790                 rr = TAILQ_NEXT(r, entry);
2791                 if (rr == NULL)
2792                         rr = TAILQ_FIRST(&screens[i].rl);
2793                 break;
2794         case SWM_ARG_ID_CYCLESC_DOWN:
2795                 rr = TAILQ_PREV(r, swm_region_list, entry);
2796                 if (rr == NULL)
2797                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2798                 break;
2799         default:
2800                 return;
2801         };
2802         if (rr == NULL)
2803                 return;
2804
2805         /* move mouse to region */
2806         x = X(rr) + 1;
2807         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2808         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2809                 x, y);
2810
2811         a.id = SWM_ARG_ID_FOCUSCUR;
2812         focus(rr, &a);
2813
2814         if (rr->ws->focus) {
2815                 /* move to focus window */
2816                 x = X(rr->ws->focus) + 1;
2817                 y = Y(rr->ws->focus) + 1;
2818                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2819                         0, x, y);
2820         }
2821 }
2822
2823 void
2824 sort_windows(struct ws_win_list *wl)
2825 {
2826         struct ws_win           *win, *parent, *nxt;
2827
2828         if (wl == NULL)
2829                 return;
2830
2831         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2832                 nxt = TAILQ_NEXT(win, entry);
2833                 if (win->transient) {
2834                         parent = find_window(win->transient);
2835                         if (parent == NULL) {
2836                                 warnx("not possible bug");
2837                                 continue;
2838                         }
2839                         TAILQ_REMOVE(wl, win, entry);
2840                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2841                 }
2842         }
2843
2844 }
2845
2846 void
2847 swapwin(struct swm_region *r, union arg *args)
2848 {
2849         struct ws_win           *target, *source;
2850         struct ws_win           *cur_focus;
2851         struct ws_win_list      *wl;
2852
2853
2854         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2855             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2856
2857         cur_focus = r->ws->focus;
2858         if (cur_focus == NULL)
2859                 return;
2860
2861         source = cur_focus;
2862         wl = &source->ws->winlist;
2863
2864         switch (args->id) {
2865         case SWM_ARG_ID_SWAPPREV:
2866                 if (source->transient)
2867                         source = find_window(source->transient);
2868                 target = TAILQ_PREV(source, ws_win_list, entry);
2869                 if (target && target->transient)
2870                         target = find_window(target->transient);
2871                 TAILQ_REMOVE(wl, source, entry);
2872                 if (target == NULL)
2873                         TAILQ_INSERT_TAIL(wl, source, entry);
2874                 else
2875                         TAILQ_INSERT_BEFORE(target, source, entry);
2876                 break;
2877         case SWM_ARG_ID_SWAPNEXT:
2878                 target = TAILQ_NEXT(source, entry);
2879                 /* move the parent and let the sort handle the move */
2880                 if (source->transient)
2881                         source = find_window(source->transient);
2882                 TAILQ_REMOVE(wl, source, entry);
2883                 if (target == NULL)
2884                         TAILQ_INSERT_HEAD(wl, source, entry);
2885                 else
2886                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2887                 break;
2888         case SWM_ARG_ID_SWAPMAIN:
2889                 target = TAILQ_FIRST(wl);
2890                 if (target == source) {
2891                         if (source->ws->focus_prev != NULL &&
2892                             source->ws->focus_prev != target)
2893                                 source = source->ws->focus_prev;
2894                         else
2895                                 return;
2896                 }
2897                 if (target == NULL || source == NULL)
2898                         return;
2899                 source->ws->focus_prev = target;
2900                 TAILQ_REMOVE(wl, target, entry);
2901                 TAILQ_INSERT_BEFORE(source, target, entry);
2902                 TAILQ_REMOVE(wl, source, entry);
2903                 TAILQ_INSERT_HEAD(wl, source, entry);
2904                 break;
2905         case SWM_ARG_ID_MOVELAST:
2906                 TAILQ_REMOVE(wl, source, entry);
2907                 TAILQ_INSERT_TAIL(wl, source, entry);
2908                 break;
2909         default:
2910                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2911                 return;
2912         }
2913
2914         sort_windows(wl);
2915
2916         stack();
2917 }
2918
2919 void
2920 focus_prev(struct ws_win *win)
2921 {
2922         struct ws_win           *winfocus = NULL;
2923         struct ws_win           *cur_focus = NULL;
2924         struct ws_win_list      *wl = NULL;
2925         struct workspace        *ws = NULL;
2926
2927         if (!(win && win->ws))
2928                 return;
2929
2930         ws = win->ws;
2931         wl = &ws->winlist;
2932         cur_focus = ws->focus;
2933
2934         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2935             WINID(win), WINID(cur_focus));
2936
2937         /* pickle, just focus on whatever */
2938         if (cur_focus == NULL) {
2939                 /* use prev_focus if valid */
2940                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2941                     find_window(WINID(ws->focus_prev)))
2942                         winfocus = ws->focus_prev;
2943                 goto done;
2944         }
2945
2946         /* if transient focus on parent */
2947         if (cur_focus->transient) {
2948                 winfocus = find_window(cur_focus->transient);
2949                 goto done;
2950         }
2951
2952         /* if in max_stack try harder */
2953         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2954             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2955                 if (cur_focus != ws->focus_prev)
2956                         winfocus = ws->focus_prev;
2957                 else
2958                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2959                 if (winfocus)
2960                         goto done;
2961         }
2962
2963         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2964
2965         if (winfocus == NULL || winfocus == win) {
2966                 switch (focus_close) {
2967                 case SWM_STACK_BOTTOM:
2968                         winfocus = TAILQ_FIRST(wl);
2969                         break;
2970                 case SWM_STACK_TOP:
2971                         winfocus = TAILQ_LAST(wl, ws_win_list);
2972                         break;
2973                 case SWM_STACK_ABOVE:
2974                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2975                                 if (focus_close_wrap)
2976                                         winfocus = TAILQ_FIRST(wl);
2977                                 else
2978                                         winfocus = TAILQ_PREV(cur_focus,
2979                                             ws_win_list, entry);
2980                         }
2981                         break;
2982                 case SWM_STACK_BELOW:
2983                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2984                             entry)) == NULL) {
2985                                 if (focus_close_wrap)
2986                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2987                                 else
2988                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2989                         }
2990                         break;
2991                 }
2992         }
2993 done:
2994         if (winfocus == NULL) {
2995                 if (focus_default == SWM_STACK_TOP)
2996                         winfocus = TAILQ_LAST(wl, ws_win_list);
2997                 else
2998                         winfocus = TAILQ_FIRST(wl);
2999         }
3000
3001         kill_refs(win);
3002         focus_magic(winfocus);
3003 }
3004
3005 void
3006 focus(struct swm_region *r, union arg *args)
3007 {
3008         struct ws_win           *winfocus = NULL, *head;
3009         struct ws_win           *cur_focus = NULL;
3010         struct ws_win_list      *wl = NULL;
3011         struct workspace        *ws = NULL;
3012         int                     all_iconics;
3013
3014         if (!(r && r->ws))
3015                 return;
3016
3017         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3018
3019         /* treat FOCUS_CUR special */
3020         if (args->id == SWM_ARG_ID_FOCUSCUR) {
3021                 if (r->ws->focus && r->ws->focus->iconic == 0)
3022                         winfocus = r->ws->focus;
3023                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
3024                         winfocus = r->ws->focus_prev;
3025                 else
3026                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3027                                 if (winfocus->iconic == 0)
3028                                         break;
3029
3030                 focus_magic(winfocus);
3031                 return;
3032         }
3033
3034         if ((cur_focus = r->ws->focus) == NULL)
3035                 return;
3036         ws = r->ws;
3037         wl = &ws->winlist;
3038         if (TAILQ_EMPTY(wl))
3039                 return;
3040         /* make sure there is at least one uniconified window */
3041         all_iconics = 1;
3042         TAILQ_FOREACH(winfocus, wl, entry)
3043                 if (winfocus->iconic == 0) {
3044                         all_iconics = 0;
3045                         break;
3046                 }
3047         if (all_iconics)
3048                 return;
3049
3050         switch (args->id) {
3051         case SWM_ARG_ID_FOCUSPREV:
3052                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3053                 if (head == NULL)
3054                         head = TAILQ_LAST(wl, ws_win_list);
3055                 winfocus = head;
3056                 if (WINID(winfocus) == cur_focus->transient) {
3057                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3058                         if (head == NULL)
3059                                 head = TAILQ_LAST(wl, ws_win_list);
3060                         winfocus = head;
3061                 }
3062
3063                 /* skip iconics */
3064                 if (winfocus && winfocus->iconic) {
3065                         while (winfocus != cur_focus) {
3066                                 if (winfocus == NULL)
3067                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3068                                 if (winfocus->iconic == 0)
3069                                         break;
3070                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3071                                     entry);
3072                         }
3073                 }
3074                 break;
3075
3076         case SWM_ARG_ID_FOCUSNEXT:
3077                 head = TAILQ_NEXT(cur_focus, entry);
3078                 if (head == NULL)
3079                         head = TAILQ_FIRST(wl);
3080                 winfocus = head;
3081
3082                 /* skip iconics */
3083                 if (winfocus && winfocus->iconic) {
3084                         while (winfocus != cur_focus) {
3085                                 if (winfocus == NULL)
3086                                         winfocus = TAILQ_FIRST(wl);
3087                                 if (winfocus->iconic == 0)
3088                                         break;
3089                                 winfocus = TAILQ_NEXT(winfocus, entry);
3090                         }
3091                 }
3092                 break;
3093
3094         case SWM_ARG_ID_FOCUSMAIN:
3095                 winfocus = TAILQ_FIRST(wl);
3096                 if (winfocus == cur_focus)
3097                         winfocus = cur_focus->ws->focus_prev;
3098                 break;
3099
3100         default:
3101                 return;
3102         }
3103
3104         focus_magic(winfocus);
3105 }
3106
3107 void
3108 cycle_layout(struct swm_region *r, union arg *args)
3109 {
3110         struct workspace        *ws = r->ws;
3111         union arg               a;
3112
3113         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3114
3115         ws->cur_layout++;
3116         if (ws->cur_layout->l_stack == NULL)
3117                 ws->cur_layout = &layouts[0];
3118
3119         stack();
3120         if (focus_mode == SWM_FOCUS_DEFAULT)
3121                 drain_enter_notify();
3122         a.id = SWM_ARG_ID_FOCUSCUR;
3123         focus(r, &a);
3124 }
3125
3126 void
3127 stack_config(struct swm_region *r, union arg *args)
3128 {
3129         struct workspace        *ws = r->ws;
3130
3131         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3132             args->id, ws->idx);
3133
3134         if (ws->cur_layout->l_config != NULL)
3135                 ws->cur_layout->l_config(ws, args->id);
3136
3137         if (args->id != SWM_ARG_ID_STACKINIT)
3138                 stack();
3139         bar_update();
3140 }
3141
3142 void
3143 stack(void) {
3144         struct swm_geometry     g;
3145         struct swm_region       *r;
3146         int                     i, num_screens;
3147 #ifdef SWM_DEBUG
3148         int j;
3149 #endif
3150
3151         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3152
3153         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3154         for (i = 0; i < num_screens; i++) {
3155 #ifdef SWM_DEBUG
3156                 j = 0;
3157 #endif
3158                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3159                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3160                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3161
3162                         /* start with screen geometry, adjust for bar */
3163                         g = r->g;
3164                         g.w -= 2 * border_width;
3165                         g.h -= 2 * border_width;
3166                         if (bar_enabled) {
3167                                 if (!bar_at_bottom)
3168                                         g.y += bar_height;
3169                                 g.h -= bar_height;
3170                         }
3171                         r->ws->cur_layout->l_stack(r->ws, &g);
3172                         r->ws->cur_layout->l_string(r->ws);
3173                         /* save r so we can track region changes */
3174                         r->ws->old_r = r;
3175                 }
3176         }
3177         if (font_adjusted)
3178                 font_adjusted--;
3179
3180         if (focus_mode == SWM_FOCUS_DEFAULT)
3181                 drain_enter_notify();
3182
3183         DNPRINTF(SWM_D_STACK, "stack: end\n");
3184 }
3185
3186 void
3187 store_float_geom(struct ws_win *win, struct swm_region *r)
3188 {
3189         /* retain window geom and region geom */
3190         win->g_float = win->g;
3191         win->g_float.x -= X(r);
3192         win->g_float.y -= Y(r);
3193         win->g_floatvalid = 1;
3194         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3195             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3196             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3197             win->g_float.w, win->g_float.h);
3198 }
3199
3200 void
3201 stack_floater(struct ws_win *win, struct swm_region *r)
3202 {
3203         if (win == NULL)
3204                 return;
3205
3206         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3207
3208         /*
3209          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3210          * geom on ws switches or return from max mode
3211          */
3212         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3213             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3214                 /* refloat at last floating relative position */
3215                 win->g = win->g_float;
3216                 X(win) += X(r);
3217                 Y(win) += Y(r);
3218         }
3219
3220         win->floatmaxed = 0;
3221
3222         /*
3223          * if set to fullscreen mode, configure window to maximum size.
3224          */
3225         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3226                 if (!win->g_floatvalid)
3227                         store_float_geom(win, win->ws->r);
3228
3229                 win->g = win->ws->r->g;
3230         }
3231
3232         /*
3233          * remove border on fullscreen floater when in fullscreen mode or when
3234          * the quirk is present.
3235          */
3236         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3237             ((win->quirks & SWM_Q_FULLSCREEN) &&
3238              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3239                 if (win->bordered) {
3240                         win->bordered = 0;
3241                         X(win) += border_width;
3242                         Y(win) += border_width;
3243                 }
3244         } else if (!win->bordered) {
3245                 win->bordered = 1;
3246                 X(win) -= border_width;
3247                 Y(win) -= border_width;
3248         }
3249
3250         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3251                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3252                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3253         }
3254
3255         if (!win->manual) {
3256                 /*
3257                  * floaters and transients are auto-centred unless moved
3258                  * or resized
3259                  */
3260                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3261                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3262         }
3263
3264         /* keep window within region bounds */
3265         constrain_window(win, r, 0);
3266
3267         update_window(win);
3268 }
3269
3270 /*
3271  * Send keystrokes to terminal to decrease/increase the font size as the
3272  * window size changes.
3273  */
3274 void
3275 adjust_font(struct ws_win *win)
3276 {
3277         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3278             win->floating || win->transient)
3279                 return;
3280
3281         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3282             WIDTH(win) / win->sh.width_inc < term_width &&
3283             win->font_steps < SWM_MAX_FONT_STEPS) {
3284                 win->font_size_boundary[win->font_steps] =
3285                     (win->sh.width_inc * term_width) + win->sh.base_width;
3286                 win->font_steps++;
3287                 font_adjusted++;
3288                 win->last_inc = win->sh.width_inc;
3289                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3290         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3291             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3292                 win->font_steps--;
3293                 font_adjusted++;
3294                 win->last_inc = win->sh.width_inc;
3295                 fake_keypress(win, XK_KP_Add, ShiftMask);
3296         }
3297 }
3298
3299 #define SWAPXY(g)       do {                            \
3300         int tmp;                                        \
3301         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3302         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3303 } while (0)
3304 void
3305 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3306 {
3307         XWindowAttributes       wa;
3308         struct swm_geometry     win_g, r_g = *g;
3309         struct ws_win           *win, *fs_win = NULL;
3310         int                     i, j, s, stacks;
3311         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3312         int                     hrh, extra = 0, h_slice, last_h = 0;
3313         int                     split, colno, winno, mwin, msize, mscale;
3314         int                     remain, missing, v_slice, reconfigure;
3315         int                     bordered = 1;
3316
3317         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3318             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3319
3320         winno = count_win(ws, 0);
3321         if (winno == 0 && count_win(ws, 1) == 0)
3322                 return;
3323
3324         TAILQ_FOREACH(win, &ws->winlist, entry)
3325                 if (win->transient == 0 && win->floating == 0
3326                     && win->iconic == 0)
3327                         break;
3328
3329         if (win == NULL)
3330                 goto notiles;
3331
3332         if (rot) {
3333                 w_inc = win->sh.width_inc;
3334                 w_base = win->sh.base_width;
3335                 mwin = ws->l_state.horizontal_mwin;
3336                 mscale = ws->l_state.horizontal_msize;
3337                 stacks = ws->l_state.horizontal_stacks;
3338                 SWAPXY(&r_g);
3339         } else {
3340                 w_inc = win->sh.height_inc;
3341                 w_base = win->sh.base_height;
3342                 mwin = ws->l_state.vertical_mwin;
3343                 mscale = ws->l_state.vertical_msize;
3344                 stacks = ws->l_state.vertical_stacks;
3345         }
3346         win_g = r_g;
3347
3348         if (stacks > winno - mwin)
3349                 stacks = winno - mwin;
3350         if (stacks < 1)
3351                 stacks = 1;
3352
3353         h_slice = r_g.h / SWM_H_SLICE;
3354         if (mwin && winno > mwin) {
3355                 v_slice = r_g.w / SWM_V_SLICE;
3356
3357                 split = mwin;
3358                 colno = split;
3359                 win_g.w = v_slice * mscale;
3360
3361                 if (w_inc > 1 && w_inc < v_slice) {
3362                         /* adjust for window's requested size increment */
3363                         remain = (win_g.w - w_base) % w_inc;
3364                         win_g.w -= remain;
3365                 }
3366
3367                 msize = win_g.w;
3368                 if (flip)
3369                         win_g.x += r_g.w - msize;
3370         } else {
3371                 msize = -2;
3372                 colno = split = winno / stacks;
3373                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3374                     2 * border_width) / stacks);
3375         }
3376         hrh = r_g.h / colno;
3377         extra = r_g.h - (colno * hrh);
3378         win_g.h = hrh - 2 * border_width;
3379
3380         /*  stack all the tiled windows */
3381         i = j = 0, s = stacks;
3382         TAILQ_FOREACH(win, &ws->winlist, entry) {
3383                 if (win->transient != 0 || win->floating != 0)
3384                         continue;
3385                 if (win->iconic != 0)
3386                         continue;
3387
3388                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3389                         fs_win = win;
3390                         continue;
3391                 }
3392
3393                 if (split && i == split) {
3394                         colno = (winno - mwin) / stacks;
3395                         if (s <= (winno - mwin) % stacks)
3396                                 colno++;
3397                         split = split + colno;
3398                         hrh = (r_g.h / colno);
3399                         extra = r_g.h - (colno * hrh);
3400                         if (flip)
3401                                 win_g.x = r_g.x;
3402                         else
3403                                 win_g.x += win_g.w + 2 * border_width;
3404                         win_g.w = (r_g.w - msize -
3405                             (stacks * 2 * border_width)) / stacks;
3406                         if (s == 1)
3407                                 win_g.w += (r_g.w - msize -
3408                                     (stacks * 2 * border_width)) % stacks;
3409                         s--;
3410                         j = 0;
3411                 }
3412                 win_g.h = hrh - 2 * border_width;
3413                 if (rot) {
3414                         h_inc = win->sh.width_inc;
3415                         h_base = win->sh.base_width;
3416                 } else {
3417                         h_inc = win->sh.height_inc;
3418                         h_base = win->sh.base_height;
3419                 }
3420                 if (j == colno - 1) {
3421                         win_g.h = hrh + extra;
3422                 } else if (h_inc > 1 && h_inc < h_slice) {
3423                         /* adjust for window's requested size increment */
3424                         remain = (win_g.h - h_base) % h_inc;
3425                         missing = h_inc - remain;
3426
3427                         if (missing <= extra || j == 0) {
3428                                 extra -= missing;
3429                                 win_g.h += missing;
3430                         } else {
3431                                 win_g.h -= remain;
3432                                 extra += remain;
3433                         }
3434                 }
3435
3436                 if (j == 0)
3437                         win_g.y = r_g.y;
3438                 else
3439                         win_g.y += last_h + 2 * border_width;
3440
3441                 if (disable_border && bar_enabled == 0 && winno == 1){
3442                         bordered = 0;
3443                         win_g.w += 2 * border_width;
3444                         win_g.h += 2 * border_width;
3445                 } else {
3446                         bordered = 1;
3447                 }
3448                 if (rot) {
3449                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3450                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3451                                 reconfigure = 1;
3452                                 X(win) = win_g.y;
3453                                 Y(win) = win_g.x;
3454                                 WIDTH(win) = win_g.h;
3455                                 HEIGHT(win) = win_g.w;
3456                         }
3457                 } else {
3458                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3459                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3460                                 reconfigure = 1;
3461                                 X(win) = win_g.x;
3462                                 Y(win) = win_g.y;
3463                                 WIDTH(win) = win_g.w;
3464                                 HEIGHT(win) = win_g.h;
3465                         }
3466                 }
3467
3468                 if (bordered != win->bordered) {
3469                         reconfigure = 1;
3470                         win->bordered = bordered;
3471                 }
3472
3473                 if (reconfigure) {
3474                         adjust_font(win);
3475                         update_window(win);
3476                 }
3477
3478                 if (XGetWindowAttributes(display, win->id, &wa))
3479                         if (wa.map_state == IsUnmapped)
3480                                 map_window_raised(win->id);
3481
3482                 last_h = win_g.h;
3483                 i++;
3484                 j++;
3485         }
3486
3487 notiles:
3488         /* now, stack all the floaters and transients */
3489         TAILQ_FOREACH(win, &ws->winlist, entry) {
3490                 if (win->transient == 0 && win->floating == 0)
3491                         continue;
3492                 if (win->iconic == 1)
3493                         continue;
3494                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3495                         fs_win = win;
3496                         continue;
3497                 }
3498
3499                 stack_floater(win, ws->r);
3500                 map_window_raised(win->id);
3501         }
3502
3503         if (fs_win) {
3504                 stack_floater(fs_win, ws->r);
3505                 map_window_raised(fs_win->id);
3506         }
3507 }
3508
3509 void
3510 vertical_config(struct workspace *ws, int id)
3511 {
3512         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3513             id, ws->idx);
3514
3515         switch (id) {
3516         case SWM_ARG_ID_STACKRESET:
3517         case SWM_ARG_ID_STACKINIT:
3518                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3519                 ws->l_state.vertical_mwin = 1;
3520                 ws->l_state.vertical_stacks = 1;
3521                 break;
3522         case SWM_ARG_ID_MASTERSHRINK:
3523                 if (ws->l_state.vertical_msize > 1)
3524                         ws->l_state.vertical_msize--;
3525                 break;
3526         case SWM_ARG_ID_MASTERGROW:
3527                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3528                         ws->l_state.vertical_msize++;
3529                 break;
3530         case SWM_ARG_ID_MASTERADD:
3531                 ws->l_state.vertical_mwin++;
3532                 break;
3533         case SWM_ARG_ID_MASTERDEL:
3534                 if (ws->l_state.vertical_mwin > 0)
3535                         ws->l_state.vertical_mwin--;
3536                 break;
3537         case SWM_ARG_ID_STACKINC:
3538                 ws->l_state.vertical_stacks++;
3539                 break;
3540         case SWM_ARG_ID_STACKDEC:
3541                 if (ws->l_state.vertical_stacks > 1)
3542                         ws->l_state.vertical_stacks--;
3543                 break;
3544         case SWM_ARG_ID_FLIPLAYOUT:
3545                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3546                 break;
3547         default:
3548                 return;
3549         }
3550 }
3551
3552 void
3553 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3554 {
3555         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3556
3557         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3558 }
3559
3560 void
3561 horizontal_config(struct workspace *ws, int id)
3562 {
3563         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3564
3565         switch (id) {
3566         case SWM_ARG_ID_STACKRESET:
3567         case SWM_ARG_ID_STACKINIT:
3568                 ws->l_state.horizontal_mwin = 1;
3569                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3570                 ws->l_state.horizontal_stacks = 1;
3571                 break;
3572         case SWM_ARG_ID_MASTERSHRINK:
3573                 if (ws->l_state.horizontal_msize > 1)
3574                         ws->l_state.horizontal_msize--;
3575                 break;
3576         case SWM_ARG_ID_MASTERGROW:
3577                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3578                         ws->l_state.horizontal_msize++;
3579                 break;
3580         case SWM_ARG_ID_MASTERADD:
3581                 ws->l_state.horizontal_mwin++;
3582                 break;
3583         case SWM_ARG_ID_MASTERDEL:
3584                 if (ws->l_state.horizontal_mwin > 0)
3585                         ws->l_state.horizontal_mwin--;
3586                 break;
3587         case SWM_ARG_ID_STACKINC:
3588                 ws->l_state.horizontal_stacks++;
3589                 break;
3590         case SWM_ARG_ID_STACKDEC:
3591                 if (ws->l_state.horizontal_stacks > 1)
3592                         ws->l_state.horizontal_stacks--;
3593                 break;
3594         case SWM_ARG_ID_FLIPLAYOUT:
3595                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3596                 break;
3597         default:
3598                 return;
3599         }
3600 }
3601
3602 void
3603 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3604 {
3605         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3606
3607         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3608 }
3609
3610 /* fullscreen view */
3611 void
3612 max_stack(struct workspace *ws, struct swm_geometry *g)
3613 {
3614         struct swm_geometry     gg = *g;
3615         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3616         int                     winno, num_screens;
3617
3618         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3619
3620         if (ws == NULL)
3621                 return;
3622
3623         winno = count_win(ws, 0);
3624         if (winno == 0 && count_win(ws, 1) == 0)
3625                 return;
3626
3627         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3628         TAILQ_FOREACH(win, &ws->winlist, entry) {
3629                 if (win->transient) {
3630                         wintrans = win;
3631                         parent = find_window(win->transient);
3632                         continue;
3633                 }
3634
3635                 if (win->floating && win->floatmaxed == 0 ) {
3636                         /*
3637                          * retain geometry for retrieval on exit from
3638                          * max_stack mode
3639                          */
3640                         store_float_geom(win, ws->r);
3641                         win->floatmaxed = 1;
3642                 }
3643
3644                 /* only reconfigure if necessary */
3645                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3646                     HEIGHT(win) != gg.h) {
3647                         win->g = gg;
3648                         if (bar_enabled){
3649                                 win->bordered = 1;
3650                         } else {
3651                                 win->bordered = 0;
3652                                 WIDTH(win) += 2 * border_width;
3653                                 HEIGHT(win) += 2 * border_width;
3654                         }
3655
3656                         update_window(win);
3657                 }
3658                 /* unmap only if we don't have multi screen */
3659                 if (win != ws->focus)
3660                         if (!(num_screens > 1 || outputs > 1))
3661                                 unmap_window(win);
3662         }
3663
3664         /* put the last transient on top */
3665         if (wintrans) {
3666                 if (parent)
3667                         map_window_raised(parent->id);
3668                 stack_floater(wintrans, ws->r);
3669                 focus_magic(wintrans);
3670         }
3671 }
3672
3673 void
3674 send_to_ws(struct swm_region *r, union arg *args)
3675 {
3676         int                     wsid = args->id;
3677         struct ws_win           *win = NULL, *parent;
3678         struct workspace        *ws, *nws;
3679         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3680         char                    ws_idx_str[SWM_PROPLEN];
3681         union arg               a;
3682
3683         if (wsid >= workspace_limit)
3684                 return;
3685
3686         if (r && r->ws && r->ws->focus)
3687                 win = r->ws->focus;
3688         else
3689                 return;
3690         if (win == NULL)
3691                 return;
3692         if (win->ws->idx == wsid)
3693                 return;
3694
3695         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3696
3697         ws = win->ws;
3698         nws = &win->s->ws[wsid];
3699
3700         a.id = SWM_ARG_ID_FOCUSPREV;
3701         focus(r, &a);
3702         if (win->transient) {
3703                 parent = find_window(win->transient);
3704                 if (parent) {
3705                         unmap_window(parent);
3706                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3707                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3708                         parent->ws = nws;
3709                 }
3710         }
3711         unmap_window(win);
3712         TAILQ_REMOVE(&ws->winlist, win, entry);
3713         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3714         if (TAILQ_EMPTY(&ws->winlist))
3715                 r->ws->focus = NULL;
3716         win->ws = nws;
3717
3718         /* Try to update the window's workspace property */
3719         ws_idx_atom = get_atom_from_string("_SWM_WS");
3720         if (ws_idx_atom &&
3721             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3722                 SWM_PROPLEN) {
3723                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3724                     ws_idx_str);
3725                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3726                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3727                         ws_idx_str);
3728         }
3729
3730         stack();
3731         bar_update();
3732 }
3733
3734 void
3735 pressbutton(struct swm_region *r, union arg *args)
3736 {
3737         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3738         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3739 }
3740
3741 void
3742 raise_toggle(struct swm_region *r, union arg *args)
3743 {
3744         if (r == NULL || r->ws == NULL)
3745                 return;
3746
3747         r->ws->always_raise = !r->ws->always_raise;
3748
3749         /* bring floaters back to top */
3750         if (r->ws->always_raise == 0)
3751                 stack();
3752 }
3753
3754 void
3755 iconify(struct swm_region *r, union arg *args)
3756 {
3757         union arg a;
3758
3759         if (r->ws->focus == NULL)
3760                 return;
3761         unmap_window(r->ws->focus);
3762         update_iconic(r->ws->focus, 1);
3763         stack();
3764         if (focus_mode == SWM_FOCUS_DEFAULT)
3765                 drain_enter_notify();
3766         r->ws->focus = NULL;
3767         a.id = SWM_ARG_ID_FOCUSCUR;
3768         focus(r, &a);
3769 }
3770
3771 char *
3772 get_win_name(xcb_window_t win)
3773 {
3774         char                            *name = NULL;
3775         xcb_get_property_cookie_t       c;
3776         xcb_get_text_property_reply_t   r;
3777
3778         c = xcb_icccm_get_wm_name(conn, win);
3779         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3780                 if (r.name_len > 0) {
3781                         name = malloc(r.name_len + 1);
3782                         if (!name) {
3783                                 xcb_get_text_property_reply_wipe(&r);
3784                                 return (NULL);
3785                         }
3786                         memcpy(name, r.name, r.name_len);
3787                         name[r.name_len] = '\0';
3788                 }
3789                 xcb_get_text_property_reply_wipe(&r);
3790         }
3791
3792         return (name);
3793 }
3794
3795 void
3796 uniconify(struct swm_region *r, union arg *args)
3797 {
3798         struct ws_win           *win;
3799         FILE                    *lfile;
3800         char                    *name;
3801         int                     count = 0;
3802
3803         DNPRINTF(SWM_D_MISC, "uniconify\n");
3804
3805         if (r == NULL || r->ws == NULL)
3806                 return;
3807
3808         /* make sure we have anything to uniconify */
3809         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3810                 if (win->ws == NULL)
3811                         continue; /* should never happen */
3812                 if (win->iconic == 0)
3813                         continue;
3814                 count++;
3815         }
3816         if (count == 0)
3817                 return;
3818
3819         search_r = r;
3820         search_resp_action = SWM_SEARCH_UNICONIFY;
3821
3822         spawn_select(r, args, "search", &searchpid);
3823
3824         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3825                 return;
3826
3827         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3828                 if (win->ws == NULL)
3829                         continue; /* should never happen */
3830                 if (win->iconic == 0)
3831                         continue;
3832
3833                 name = get_win_name(win->id);
3834                 if (name == NULL)
3835                         continue;
3836                 fprintf(lfile, "%s.%u\n", name, win->id);
3837                 free(name);
3838         }
3839
3840         fclose(lfile);
3841 }
3842
3843 void
3844 name_workspace(struct swm_region *r, union arg *args)
3845 {
3846         FILE                    *lfile;
3847
3848         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3849
3850         if (r == NULL)
3851                 return;
3852
3853         search_r = r;
3854         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3855
3856         spawn_select(r, args, "name_workspace", &searchpid);
3857
3858         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3859                 return;
3860
3861         fprintf(lfile, "%s", "");
3862         fclose(lfile);
3863 }
3864
3865 void
3866 search_workspace(struct swm_region *r, union arg *args)
3867 {
3868         int                     i;
3869         struct workspace        *ws;
3870         FILE                    *lfile;
3871
3872         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3873
3874         if (r == NULL)
3875                 return;
3876
3877         search_r = r;
3878         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3879
3880         spawn_select(r, args, "search", &searchpid);
3881
3882         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3883                 return;
3884
3885         for (i = 0; i < workspace_limit; i++) {
3886                 ws = &r->s->ws[i];
3887                 if (ws == NULL)
3888                         continue;
3889                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3890                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3891         }
3892
3893         fclose(lfile);
3894 }
3895
3896 void
3897 search_win_cleanup(void)
3898 {
3899         struct search_window    *sw = NULL;
3900
3901         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3902                 xcb_destroy_window(conn, sw->indicator);
3903                 xcb_free_gc(conn, sw->gc);
3904                 TAILQ_REMOVE(&search_wl, sw, entry);
3905                 free(sw);
3906         }
3907 }
3908
3909 void
3910 search_win(struct swm_region *r, union arg *args)
3911 {
3912         struct ws_win           *win = NULL;
3913         struct search_window    *sw = NULL;
3914         xcb_window_t            w;
3915         uint32_t                gcv[1], wa[2];
3916         int                     i;
3917         char                    s[8];
3918         FILE                    *lfile;
3919         size_t                  len;
3920         XRectangle              ibox, lbox;
3921         xcb_screen_t            *screen;
3922         DNPRINTF(SWM_D_MISC, "search_win\n");
3923
3924         search_r = r;
3925         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3926
3927         spawn_select(r, args, "search", &searchpid);
3928
3929         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3930                 return;
3931
3932         TAILQ_INIT(&search_wl);
3933
3934         i = 1;
3935         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3936                 if (win->iconic == 1)
3937                         continue;
3938
3939                 sw = calloc(1, sizeof(struct search_window));
3940                 if (sw == NULL) {
3941                         warn("search_win: calloc");
3942                         fclose(lfile);
3943                         search_win_cleanup();
3944                         return;
3945                 }
3946                 sw->idx = i;
3947                 sw->win = win;
3948                 screen = get_screen(sw->idx);
3949
3950                 snprintf(s, sizeof s, "%d", i);
3951                 len = strlen(s);
3952
3953                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3954
3955                 w = xcb_generate_id(conn);
3956                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3957                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3958                 xcb_create_window(conn, screen->root_depth, w, win->id,
3959                         0, 0, lbox.width + 4,
3960                         bar_fs_extents->max_logical_extent.height, 1,
3961                         XCB_WINDOW_CLASS_INPUT_OUTPUT, screen->root_visual,
3962                         XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3963
3964                 sw->indicator = w;
3965                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3966
3967                 sw->gc = xcb_generate_id(conn);
3968                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3969                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND, gcv);
3970                 map_window_raised(w);
3971
3972                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3973                     (bar_fs_extents->max_logical_extent.height -
3974                     lbox.height) / 2 - lbox.y, s);
3975
3976                 fprintf(lfile, "%d\n", i);
3977                 i++;
3978         }
3979
3980         fclose(lfile);
3981 }
3982
3983 void
3984 search_resp_uniconify(char *resp, unsigned long len)
3985 {
3986         char                    *name;
3987         struct ws_win           *win;
3988         char                    *s;
3989
3990         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3991
3992         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3993                 if (win->iconic == 0)
3994                         continue;
3995                 name = get_win_name(win->id);
3996                 if (name == NULL)
3997                         continue;
3998                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3999                         free(name);
4000                         continue;
4001                 }
4002                 free(name);
4003                 if (strncmp(s, resp, len) == 0) {
4004                         /* XXX this should be a callback to generalize */
4005                         update_iconic(win, 0);
4006                         free(s);
4007                         break;
4008                 }
4009                 free(s);
4010         }
4011 }
4012
4013 void
4014 search_resp_name_workspace(char *resp, unsigned long len)
4015 {
4016         struct workspace        *ws;
4017
4018         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4019
4020         if (search_r->ws == NULL)
4021                 return;
4022         ws = search_r->ws;
4023
4024         if (ws->name) {
4025                 free(search_r->ws->name);
4026                 search_r->ws->name = NULL;
4027         }
4028
4029         if (len > 1) {
4030                 ws->name = strdup(resp);
4031                 if (ws->name == NULL) {
4032                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4033                             "strdup: %s", strerror(errno));
4034                         return;
4035                 }
4036         }
4037 }
4038
4039 void
4040 search_resp_search_workspace(char *resp, unsigned long len)
4041 {
4042         char                    *p, *q;
4043         int                     ws_idx;
4044         const char              *errstr;
4045         union arg               a;
4046
4047         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4048
4049         q = strdup(resp);
4050         if (!q) {
4051                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4052                     strerror(errno));
4053                 return;
4054         }
4055         p = strchr(q, ':');
4056         if (p != NULL)
4057                 *p = '\0';
4058         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
4059         if (errstr) {
4060                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4061                     errstr, q);
4062                 free(q);
4063                 return;
4064         }
4065         free(q);
4066         a.id = ws_idx - 1;
4067         switchws(search_r, &a);
4068 }
4069
4070 void
4071 search_resp_search_window(char *resp, unsigned long len)
4072 {
4073         char                    *s;
4074         int                     idx;
4075         const char              *errstr;
4076         struct search_window    *sw;
4077
4078         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4079
4080         s = strdup(resp);
4081         if (!s) {
4082                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4083                     strerror(errno));
4084                 return;
4085         }
4086
4087         idx = strtonum(s, 1, INT_MAX, &errstr);
4088         if (errstr) {
4089                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4090                     errstr, s);
4091                 free(s);
4092                 return;
4093         }
4094         free(s);
4095
4096         TAILQ_FOREACH(sw, &search_wl, entry)
4097                 if (idx == sw->idx) {
4098                         focus_win(sw->win);
4099                         break;
4100                 }
4101 }
4102
4103 #define MAX_RESP_LEN    1024
4104
4105 void
4106 search_do_resp(void)
4107 {
4108         ssize_t                 rbytes;
4109         char                    *resp;
4110         unsigned long           len;
4111
4112         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4113
4114         search_resp = 0;
4115         searchpid = 0;
4116
4117         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4118                 warn("search: calloc");
4119                 goto done;
4120         }
4121
4122         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4123         if (rbytes <= 0) {
4124                 warn("search: read error");
4125                 goto done;
4126         }
4127         resp[rbytes] = '\0';
4128
4129         /* XXX:
4130          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4131          * newline, so work around that by sanitizing the resp now.
4132          */
4133         resp[strcspn(resp, "\n")] = '\0';
4134         len = strlen(resp);
4135
4136         switch (search_resp_action) {
4137         case SWM_SEARCH_UNICONIFY:
4138                 search_resp_uniconify(resp, len);
4139                 break;
4140         case SWM_SEARCH_NAME_WORKSPACE:
4141                 search_resp_name_workspace(resp, len);
4142                 break;
4143         case SWM_SEARCH_SEARCH_WORKSPACE:
4144                 search_resp_search_workspace(resp, len);
4145                 break;
4146         case SWM_SEARCH_SEARCH_WINDOW:
4147                 search_resp_search_window(resp, len);
4148                 break;
4149         }
4150
4151 done:
4152         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4153                 search_win_cleanup();
4154
4155         search_resp_action = SWM_SEARCH_NONE;
4156         close(select_resp_pipe[0]);
4157         free(resp);
4158 }
4159
4160 void
4161 wkill(struct swm_region *r, union arg *args)
4162 {
4163         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4164
4165         if (r->ws->focus == NULL)
4166                 return;
4167
4168         if (args->id == SWM_ARG_ID_KILLWINDOW)
4169                 xcb_kill_client(conn, r->ws->focus->id);
4170         else
4171                 if (r->ws->focus->can_delete)
4172                         client_msg(r->ws->focus, adelete);
4173 }
4174
4175
4176 int
4177 floating_toggle_win(struct ws_win *win)
4178 {
4179         struct swm_region       *r;
4180
4181         if (win == NULL)
4182                 return (0);
4183
4184         if (!win->ws->r)
4185                 return (0);
4186
4187         r = win->ws->r;
4188
4189         /* reject floating toggles in max stack mode */
4190         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4191                 return (0);
4192
4193         if (win->floating) {
4194                 if (!win->floatmaxed) {
4195                         /* retain position for refloat */
4196                         store_float_geom(win, r);
4197                 }
4198                 win->floating = 0;
4199         } else {
4200                 if (win->g_floatvalid) {
4201                         /* refloat at last floating relative position */
4202                         X(win) = win->g_float.x + X(r);
4203                         Y(win) = win->g_float.y + Y(r);
4204                         WIDTH(win) = win->g_float.w;
4205                         HEIGHT(win) = win->g_float.h;
4206                 }
4207                 win->floating = 1;
4208         }
4209
4210         ewmh_update_actions(win);
4211
4212         return (1);
4213 }
4214
4215 void
4216 floating_toggle(struct swm_region *r, union arg *args)
4217 {
4218         struct ws_win           *win = r->ws->focus;
4219         union arg               a;
4220
4221         if (win == NULL)
4222                 return;
4223
4224         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4225             _NET_WM_STATE_TOGGLE);
4226
4227         stack();
4228         if (focus_mode == SWM_FOCUS_DEFAULT)
4229                 drain_enter_notify();
4230
4231         if (win == win->ws->focus) {
4232                 a.id = SWM_ARG_ID_FOCUSCUR;
4233                 focus(win->ws->r, &a);
4234         }
4235 }
4236
4237 void
4238 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4239 {
4240         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4241                 if (resizable)
4242                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4243                 else
4244                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4245         }
4246
4247         if (X(win) + BORDER(win) < X(r)) {
4248                 if (resizable)
4249                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4250
4251                 X(win) = X(r) - BORDER(win);
4252         }
4253
4254         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4255                 if (resizable)
4256                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4257                 else
4258                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4259         }
4260
4261         if (Y(win) + BORDER(win) < Y(r)) {
4262                 if (resizable)
4263                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4264
4265                 Y(win) = Y(r) - BORDER(win);
4266         }
4267
4268         if (resizable) {
4269                 if (WIDTH(win) < 1)
4270                         WIDTH(win) = 1;
4271                 if (HEIGHT(win) < 1)
4272                         HEIGHT(win) = 1;
4273         }
4274 }
4275
4276 void
4277 update_window(struct ws_win *win)
4278 {
4279         uint16_t        mask;
4280         uint32_t        wc[5];
4281
4282         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4283                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4284                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4285         wc[0] = X(win);
4286         wc[1] = Y(win);
4287         wc[2] = WIDTH(win);
4288         wc[3] = HEIGHT(win);
4289         wc[4] = BORDER(win);
4290
4291         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4292             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4293             wc[3], YESNO(win->bordered));
4294
4295         xcb_configure_window(conn, win->id, mask, wc);
4296 }
4297
4298 #define SWM_RESIZE_STEPS        (50)
4299
4300 void
4301 resize(struct ws_win *win, union arg *args)
4302 {
4303         XEvent                  ev;
4304         Time                    time = 0;
4305         struct swm_region       *r = NULL;
4306         int                     resize_step = 0;
4307         struct swm_geometry     g;
4308         int                     top = 0, left = 0;
4309         int                     dx, dy;
4310         unsigned int            shape; /* cursor style */
4311         xcb_cursor_t            cursor;
4312         xcb_font_t              cursor_font;
4313         xcb_grab_pointer_reply_t        *gpr;
4314         xcb_query_pointer_reply_t       *xpr;
4315
4316         if (win == NULL)
4317                 return;
4318         r = win->ws->r;
4319
4320         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4321                 return;
4322
4323         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%x, floating: %s, "
4324             "transient: 0x%x\n", win->id, YESNO(win->floating),
4325             win->transient);
4326
4327         if (!(win->transient != 0 || win->floating != 0))
4328                 return;
4329
4330         /* reject resizes in max mode for floaters (transient ok) */
4331         if (win->floatmaxed)
4332                 return;
4333
4334         win->manual = 1;
4335         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4336             _NET_WM_STATE_ADD);
4337
4338         stack();
4339
4340         switch (args->id) {
4341         case SWM_ARG_ID_WIDTHSHRINK:
4342                 WIDTH(win) -= SWM_RESIZE_STEPS;
4343                 resize_step = 1;
4344                 break;
4345         case SWM_ARG_ID_WIDTHGROW:
4346                 WIDTH(win) += SWM_RESIZE_STEPS;
4347                 resize_step = 1;
4348                 break;
4349         case SWM_ARG_ID_HEIGHTSHRINK:
4350                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4351                 resize_step = 1;
4352                 break;
4353         case SWM_ARG_ID_HEIGHTGROW:
4354                 HEIGHT(win) += SWM_RESIZE_STEPS;
4355                 resize_step = 1;
4356                 break;
4357         default:
4358                 break;
4359         }
4360         if (resize_step) {
4361                 constrain_window(win, r, 1);
4362                 update_window(win);
4363                 store_float_geom(win,r);
4364                 return;
4365         }
4366
4367         if (focus_mode == SWM_FOCUS_DEFAULT)
4368                 drain_enter_notify();
4369
4370         /* get cursor offset from window root */
4371         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4372                 NULL);
4373         if (!xpr)
4374                 return;
4375
4376         g = win->g;
4377
4378         if (xpr->win_x < WIDTH(win) / 2)
4379                 left = 1;
4380
4381         if (xpr->win_y < HEIGHT(win) / 2)
4382                 top = 1;
4383
4384         if (args->id == SWM_ARG_ID_CENTER)
4385                 shape = XC_sizing;
4386         else if (top)
4387                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4388         else
4389                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4390
4391         cursor_font = xcb_generate_id(conn);
4392         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4393
4394         cursor = xcb_generate_id(conn);
4395         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4396                 shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4397
4398         gpr = xcb_grab_pointer_reply(conn,
4399                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4400                 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
4401                 cursor, XCB_CURRENT_TIME),
4402                 NULL);
4403         if (!gpr) {
4404                 xcb_free_cursor(conn, cursor);
4405                 xcb_close_font(conn, cursor_font);
4406                 free(xpr);
4407                 return;
4408         }
4409
4410         do {
4411                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4412                     SubstructureRedirectMask, &ev);
4413                 switch (ev.type) {
4414                 case ConfigureRequest:
4415                 case Expose:
4416                 case MapRequest:
4417                         handler[ev.type](&ev);
4418                         break;
4419                 case MotionNotify:
4420                         /* cursor offset/delta from start of the operation */
4421                         dx = ev.xmotion.x_root - xpr->root_x;
4422                         dy = ev.xmotion.y_root - xpr->root_y;
4423
4424                         /* vertical */
4425                         if (top)
4426                                 dy = -dy;
4427
4428                         if (args->id == SWM_ARG_ID_CENTER) {
4429                                 if (g.h / 2 + dy < 1)
4430                                         dy = 1 - g.h / 2;
4431
4432                                 Y(win) = g.y - dy;
4433                                 HEIGHT(win) = g.h + 2 * dy;
4434                         } else {
4435                                 if (g.h + dy < 1)
4436                                         dy = 1 - g.h;
4437
4438                                 if (top)
4439                                         Y(win) = g.y - dy;
4440
4441                                 HEIGHT(win) = g.h + dy;
4442                         }
4443
4444                         /* horizontal */
4445                         if (left)
4446                                 dx = -dx;
4447
4448                         if (args->id == SWM_ARG_ID_CENTER) {
4449                                 if (g.w / 2 + dx < 1)
4450                                         dx = 1 - g.w / 2;
4451
4452                                 X(win) = g.x - dx;
4453                                 WIDTH(win) = g.w + 2 * dx;
4454                         } else {
4455                                 if (g.w + dx < 1)
4456                                         dx = 1 - g.w;
4457
4458                                 if (left)
4459                                         X(win) = g.x - dx;
4460
4461                                 WIDTH(win) = g.w + dx;
4462                         }
4463
4464                         constrain_window(win, r, 1);
4465
4466                         /* not free, don't sync more than 120 times / second */
4467                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4468                                 time = ev.xmotion.time;
4469                                 do_sync();
4470                                 update_window(win);
4471                         }
4472                         break;
4473                 }
4474         } while (ev.type != ButtonRelease);
4475         if (time) {
4476                 do_sync();
4477                 update_window(win);
4478         }
4479         store_float_geom(win,r);
4480
4481         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4482         xcb_free_cursor(conn, cursor);
4483         xcb_close_font(conn, cursor_font);
4484         free(gpr);
4485         free(xpr);
4486
4487         /* drain events */
4488         drain_enter_notify();
4489 }
4490
4491 void
4492 resize_step(struct swm_region *r, union arg *args)
4493 {
4494         struct ws_win           *win = NULL;
4495
4496         if (r && r->ws && r->ws->focus)
4497                 win = r->ws->focus;
4498         else
4499                 return;
4500
4501         resize(win, args);
4502 }
4503
4504 #define SWM_MOVE_STEPS  (50)
4505
4506 void
4507 move(struct ws_win *win, union arg *args)
4508 {
4509         XEvent                  ev;
4510         Time                    time = 0;
4511         int                     move_step = 0;
4512         struct swm_region       *r = NULL;
4513         xcb_font_t                      cursor_font;
4514         xcb_cursor_t                    cursor;
4515         xcb_grab_pointer_reply_t        *gpr;
4516         xcb_query_pointer_reply_t       *qpr;
4517
4518         if (win == NULL)
4519                 return;
4520         r = win->ws->r;
4521
4522         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4523                 return;
4524
4525         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%x, floating: %s, transient: "
4526             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4527
4528         /* in max_stack mode should only move transients */
4529         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4530                 return;
4531
4532         win->manual = 1;
4533         if (win->floating == 0 && !win->transient) {
4534                 store_float_geom(win, r);
4535                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4536                     _NET_WM_STATE_ADD);
4537         }
4538         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4539             _NET_WM_STATE_ADD);
4540
4541         stack();
4542
4543         move_step = 0;
4544         switch (args->id) {
4545         case SWM_ARG_ID_MOVELEFT:
4546                 X(win) -= (SWM_MOVE_STEPS - border_width);
4547                 move_step = 1;
4548                 break;
4549         case SWM_ARG_ID_MOVERIGHT:
4550                 X(win) += (SWM_MOVE_STEPS - border_width);
4551                 move_step = 1;
4552                 break;
4553         case SWM_ARG_ID_MOVEUP:
4554                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4555                 move_step = 1;
4556                 break;
4557         case SWM_ARG_ID_MOVEDOWN:
4558                 Y(win) += (SWM_MOVE_STEPS - border_width);
4559                 move_step = 1;
4560                 break;
4561         default:
4562                 break;
4563         }
4564         if (move_step) {
4565                 constrain_window(win, r, 0);
4566                 update_window(win);
4567                 store_float_geom(win, r);
4568                 return;
4569         }
4570
4571         cursor_font = xcb_generate_id(conn);
4572         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4573
4574         cursor = xcb_generate_id(conn);
4575         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4576                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4577
4578         gpr = xcb_grab_pointer_reply(conn,
4579                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4580                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4581                         XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME),
4582                 NULL);
4583         if (!gpr) {
4584                 xcb_free_cursor(conn, cursor);
4585                 xcb_close_font(conn, cursor_font);
4586                 return;
4587         }
4588
4589         /* get cursor offset from window root */
4590         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4591                 NULL);
4592         if (!qpr) {
4593                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4594                 xcb_free_cursor(conn, cursor);
4595                 xcb_close_font(conn, cursor_font);
4596                 return;
4597         }
4598         do {
4599                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4600                     SubstructureRedirectMask, &ev);
4601                 switch (ev.type) {
4602                 case ConfigureRequest:
4603                 case Expose:
4604                 case MapRequest:
4605                         handler[ev.type](&ev);
4606                         break;
4607                 case MotionNotify:
4608                         X(win) = ev.xmotion.x_root - qpr->win_x - border_width;
4609                         Y(win) = ev.xmotion.y_root - qpr->win_y - border_width;
4610
4611                         constrain_window(win, r, 0);
4612
4613                         /* not free, don't sync more than 120 times / second */
4614                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4615                                 time = ev.xmotion.time;
4616                                 do_sync();
4617                                 update_window(win);
4618                         }
4619                         break;
4620                 }
4621         } while (ev.type != ButtonRelease);
4622         if (time) {
4623                 do_sync();
4624                 update_window(win);
4625         }
4626         store_float_geom(win, r);
4627         free(qpr);
4628         xcb_free_cursor(conn, cursor);
4629         xcb_close_font(conn, cursor_font);
4630         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4631
4632         /* drain events */
4633         drain_enter_notify();
4634 }
4635
4636 void
4637 move_step(struct swm_region *r, union arg *args)
4638 {
4639         struct ws_win           *win = NULL;
4640
4641         if (r && r->ws && r->ws->focus)
4642                 win = r->ws->focus;
4643         else
4644                 return;
4645
4646         if (!(win->transient != 0 || win->floating != 0))
4647                 return;
4648
4649         move(win, args);
4650 }
4651
4652
4653 /* user/key callable function IDs */
4654 enum keyfuncid {
4655         kf_cycle_layout,
4656         kf_flip_layout,
4657         kf_stack_reset,
4658         kf_master_shrink,
4659         kf_master_grow,
4660         kf_master_add,
4661         kf_master_del,
4662         kf_stack_inc,
4663         kf_stack_dec,
4664         kf_swap_main,
4665         kf_focus_next,
4666         kf_focus_prev,
4667         kf_swap_next,
4668         kf_swap_prev,
4669         kf_quit,
4670         kf_restart,
4671         kf_focus_main,
4672         kf_ws_1,
4673         kf_ws_2,
4674         kf_ws_3,
4675         kf_ws_4,
4676         kf_ws_5,
4677         kf_ws_6,
4678         kf_ws_7,
4679         kf_ws_8,
4680         kf_ws_9,
4681         kf_ws_10,
4682         kf_ws_11,
4683         kf_ws_12,
4684         kf_ws_13,
4685         kf_ws_14,
4686         kf_ws_15,
4687         kf_ws_16,
4688         kf_ws_17,
4689         kf_ws_18,
4690         kf_ws_19,
4691         kf_ws_20,
4692         kf_ws_21,
4693         kf_ws_22,
4694         kf_ws_next,
4695         kf_ws_prev,
4696         kf_ws_next_all,
4697         kf_ws_prev_all,
4698         kf_ws_prior,
4699         kf_screen_next,
4700         kf_screen_prev,
4701         kf_mvws_1,
4702         kf_mvws_2,
4703         kf_mvws_3,
4704         kf_mvws_4,
4705         kf_mvws_5,
4706         kf_mvws_6,
4707         kf_mvws_7,
4708         kf_mvws_8,
4709         kf_mvws_9,
4710         kf_mvws_10,
4711         kf_mvws_11,
4712         kf_mvws_12,
4713         kf_mvws_13,
4714         kf_mvws_14,
4715         kf_mvws_15,
4716         kf_mvws_16,
4717         kf_mvws_17,
4718         kf_mvws_18,
4719         kf_mvws_19,
4720         kf_mvws_20,
4721         kf_mvws_21,
4722         kf_mvws_22,
4723         kf_bar_toggle,
4724         kf_wind_kill,
4725         kf_wind_del,
4726         kf_float_toggle,
4727         kf_version,
4728         kf_spawn_custom,
4729         kf_iconify,
4730         kf_uniconify,
4731         kf_raise_toggle,
4732         kf_button2,
4733         kf_width_shrink,
4734         kf_width_grow,
4735         kf_height_shrink,
4736         kf_height_grow,
4737         kf_move_left,
4738         kf_move_right,
4739         kf_move_up,
4740         kf_move_down,
4741         kf_name_workspace,
4742         kf_search_workspace,
4743         kf_search_win,
4744         kf_dumpwins, /* MUST BE LAST */
4745         kf_invalid
4746 };
4747
4748 /* key definitions */
4749 void
4750 dummykeyfunc(struct swm_region *r, union arg *args)
4751 {
4752 };
4753
4754 struct keyfunc {
4755         char                    name[SWM_FUNCNAME_LEN];
4756         void                    (*func)(struct swm_region *r, union arg *);
4757         union arg               args;
4758 } keyfuncs[kf_invalid + 1] = {
4759         /* name                 function        argument */
4760         { "cycle_layout",       cycle_layout,   {0} },
4761         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4762         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4763         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4764         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4765         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4766         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4767         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4768         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4769         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4770         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4771         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4772         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4773         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4774         { "quit",               quit,           {0} },
4775         { "restart",            restart,        {0} },
4776         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4777         { "ws_1",               switchws,       {.id = 0} },
4778         { "ws_2",               switchws,       {.id = 1} },
4779         { "ws_3",               switchws,       {.id = 2} },
4780         { "ws_4",               switchws,       {.id = 3} },
4781         { "ws_5",               switchws,       {.id = 4} },
4782         { "ws_6",               switchws,       {.id = 5} },
4783         { "ws_7",               switchws,       {.id = 6} },
4784         { "ws_8",               switchws,       {.id = 7} },
4785         { "ws_9",               switchws,       {.id = 8} },
4786         { "ws_10",              switchws,       {.id = 9} },
4787         { "ws_11",              switchws,       {.id = 10} },
4788         { "ws_12",              switchws,       {.id = 11} },
4789         { "ws_13",              switchws,       {.id = 12} },
4790         { "ws_14",              switchws,       {.id = 13} },
4791         { "ws_15",              switchws,       {.id = 14} },
4792         { "ws_16",              switchws,       {.id = 15} },
4793         { "ws_17",              switchws,       {.id = 16} },
4794         { "ws_18",              switchws,       {.id = 17} },
4795         { "ws_19",              switchws,       {.id = 18} },
4796         { "ws_20",              switchws,       {.id = 19} },
4797         { "ws_21",              switchws,       {.id = 20} },
4798         { "ws_22",              switchws,       {.id = 21} },
4799         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4800         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4801         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4802         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4803         { "ws_prior",           priorws,        {0} },
4804         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4805         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4806         { "mvws_1",             send_to_ws,     {.id = 0} },
4807         { "mvws_2",             send_to_ws,     {.id = 1} },
4808         { "mvws_3",             send_to_ws,     {.id = 2} },
4809         { "mvws_4",             send_to_ws,     {.id = 3} },
4810         { "mvws_5",             send_to_ws,     {.id = 4} },
4811         { "mvws_6",             send_to_ws,     {.id = 5} },
4812         { "mvws_7",             send_to_ws,     {.id = 6} },
4813         { "mvws_8",             send_to_ws,     {.id = 7} },
4814         { "mvws_9",             send_to_ws,     {.id = 8} },
4815         { "mvws_10",            send_to_ws,     {.id = 9} },
4816         { "mvws_11",            send_to_ws,     {.id = 10} },
4817         { "mvws_12",            send_to_ws,     {.id = 11} },
4818         { "mvws_13",            send_to_ws,     {.id = 12} },
4819         { "mvws_14",            send_to_ws,     {.id = 13} },
4820         { "mvws_15",            send_to_ws,     {.id = 14} },
4821         { "mvws_16",            send_to_ws,     {.id = 15} },
4822         { "mvws_17",            send_to_ws,     {.id = 16} },
4823         { "mvws_18",            send_to_ws,     {.id = 17} },
4824         { "mvws_19",            send_to_ws,     {.id = 18} },
4825         { "mvws_20",            send_to_ws,     {.id = 19} },
4826         { "mvws_21",            send_to_ws,     {.id = 20} },
4827         { "mvws_22",            send_to_ws,     {.id = 21} },
4828         { "bar_toggle",         bar_toggle,     {0} },
4829         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4830         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4831         { "float_toggle",       floating_toggle,{0} },
4832         { "version",            version,        {0} },
4833         { "spawn_custom",       dummykeyfunc,   {0} },
4834         { "iconify",            iconify,        {0} },
4835         { "uniconify",          uniconify,      {0} },
4836         { "raise_toggle",       raise_toggle,   {0} },
4837         { "button2",            pressbutton,    {2} },
4838         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4839         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4840         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4841         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4842         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4843         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4844         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4845         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4846         { "name_workspace",     name_workspace, {0} },
4847         { "search_workspace",   search_workspace,       {0} },
4848         { "search_win",         search_win,     {0} },
4849         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4850         { "invalid key func",   NULL,           {0} },
4851 };
4852 struct key {
4853         RB_ENTRY(key)           entry;
4854         unsigned int            mod;
4855         KeySym                  keysym;
4856         enum keyfuncid          funcid;
4857         char                    *spawn_name;
4858 };
4859 RB_HEAD(key_tree, key);
4860
4861 int
4862 key_cmp(struct key *kp1, struct key *kp2)
4863 {
4864         if (kp1->keysym < kp2->keysym)
4865                 return (-1);
4866         if (kp1->keysym > kp2->keysym)
4867                 return (1);
4868
4869         if (kp1->mod < kp2->mod)
4870                 return (-1);
4871         if (kp1->mod > kp2->mod)
4872                 return (1);
4873
4874         return (0);
4875 }
4876
4877 RB_GENERATE(key_tree, key, entry, key_cmp);
4878 struct key_tree                 keys;
4879
4880 /* mouse */
4881 enum { client_click, root_click };
4882 struct button {
4883         unsigned int            action;
4884         unsigned int            mask;
4885         unsigned int            button;
4886         void                    (*func)(struct ws_win *, union arg *);
4887         union arg               args;
4888 } buttons[] = {
4889           /* action     key             mouse button    func    args */
4890         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4891         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4892         { client_click, MODKEY,         Button1,        move,   {0} },
4893 };
4894
4895 void
4896 update_modkey(unsigned int mod)
4897 {
4898         int                     i;
4899         struct key              *kp;
4900
4901         mod_key = mod;
4902         RB_FOREACH(kp, key_tree, &keys)
4903                 if (kp->mod & ShiftMask)
4904                         kp->mod = mod | ShiftMask;
4905                 else
4906                         kp->mod = mod;
4907
4908         for (i = 0; i < LENGTH(buttons); i++)
4909                 if (buttons[i].mask & ShiftMask)
4910                         buttons[i].mask = mod | ShiftMask;
4911                 else
4912                         buttons[i].mask = mod;
4913 }
4914
4915 /* spawn */
4916 struct spawn_prog {
4917         TAILQ_ENTRY(spawn_prog) entry;
4918         char                    *name;
4919         int                     argc;
4920         char                    **argv;
4921 };
4922 TAILQ_HEAD(spawn_list, spawn_prog);
4923 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4924
4925 int
4926 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4927     char ***ret_args)
4928 {
4929         struct spawn_prog       *prog = NULL;
4930         int                     i;
4931         char                    *ap, **real_args;
4932
4933         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4934
4935         /* find program */
4936         TAILQ_FOREACH(prog, &spawns, entry) {
4937                 if (!strcasecmp(spawn_name, prog->name))
4938                         break;
4939         }
4940         if (prog == NULL) {
4941                 warnx("spawn_custom: program %s not found", spawn_name);
4942                 return (-1);
4943         }
4944
4945         /* make room for expanded args */
4946         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4947                 err(1, "spawn_custom: calloc real_args");
4948
4949         /* expand spawn_args into real_args */
4950         for (i = 0; i < prog->argc; i++) {
4951                 ap = prog->argv[i];
4952                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4953                 if (!strcasecmp(ap, "$bar_border")) {
4954                         if ((real_args[i] =
4955                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4956                             == NULL)
4957                                 err(1,  "spawn_custom border color");
4958                 } else if (!strcasecmp(ap, "$bar_color")) {
4959                         if ((real_args[i] =
4960                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4961                             == NULL)
4962                                 err(1, "spawn_custom bar color");
4963                 } else if (!strcasecmp(ap, "$bar_font")) {
4964                         if ((real_args[i] = strdup(bar_fonts))
4965                             == NULL)
4966                                 err(1, "spawn_custom bar fonts");
4967                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4968                         if ((real_args[i] =
4969                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4970                             == NULL)
4971                                 err(1, "spawn_custom color font");
4972                 } else if (!strcasecmp(ap, "$color_focus")) {
4973                         if ((real_args[i] =
4974                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4975                             == NULL)
4976                                 err(1, "spawn_custom color focus");
4977                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4978                         if ((real_args[i] =
4979                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4980                             == NULL)
4981                                 err(1, "spawn_custom color unfocus");
4982                 } else {
4983                         /* no match --> copy as is */
4984                         if ((real_args[i] = strdup(ap)) == NULL)
4985                                 err(1, "spawn_custom strdup(ap)");
4986                 }
4987                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4988                     real_args[i]);
4989         }
4990
4991 #ifdef SWM_DEBUG
4992         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4993         for (i = 0; i < prog->argc; i++)
4994                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4995         DNPRINTF(SWM_D_SPAWN, "\n");
4996 #endif
4997         *ret_args = real_args;
4998         return (prog->argc);
4999 }
5000
5001 void
5002 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
5003 {
5004         union arg               a;
5005         char                    **real_args;
5006         int                     spawn_argc, i;
5007
5008         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5009                 return;
5010         a.argv = real_args;
5011         if (fork() == 0)
5012                 spawn(r->ws->idx, &a, 1);
5013
5014         for (i = 0; i < spawn_argc; i++)
5015                 free(real_args[i]);
5016         free(real_args);
5017 }
5018
5019 void
5020 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
5021 {
5022         union arg               a;
5023         char                    **real_args;
5024         int                     i, spawn_argc;
5025
5026         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5027                 return;
5028         a.argv = real_args;
5029
5030         if (pipe(select_list_pipe) == -1)
5031                 err(1, "pipe error");
5032         if (pipe(select_resp_pipe) == -1)
5033                 err(1, "pipe error");
5034
5035         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5036                 err(1, "could not disable SIGPIPE");
5037         switch (*pid = fork()) {
5038         case -1:
5039                 err(1, "cannot fork");
5040                 break;
5041         case 0: /* child */
5042                 if (dup2(select_list_pipe[0], 0) == -1)
5043                         err(1, "dup2");
5044                 if (dup2(select_resp_pipe[1], 1) == -1)
5045                         err(1, "dup2");
5046                 close(select_list_pipe[1]);
5047                 close(select_resp_pipe[0]);
5048                 spawn(r->ws->idx, &a, 0);
5049                 break;
5050         default: /* parent */
5051                 close(select_list_pipe[0]);
5052                 close(select_resp_pipe[1]);
5053                 break;
5054         }
5055
5056         for (i = 0; i < spawn_argc; i++)
5057                 free(real_args[i]);
5058         free(real_args);
5059 }
5060
5061 void
5062 spawn_insert(char *name, char *args)
5063 {
5064         char                    *arg, *cp, *ptr;
5065         struct spawn_prog       *sp;
5066
5067         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5068
5069         if ((sp = calloc(1, sizeof *sp)) == NULL)
5070                 err(1, "spawn_insert: malloc");
5071         if ((sp->name = strdup(name)) == NULL)
5072                 err(1, "spawn_insert: strdup");
5073
5074         /* convert the arguments to an argument list */
5075         if ((ptr = cp = strdup(args)) == NULL)
5076                 err(1, "spawn_insert: strdup");
5077         while ((arg = strsep(&ptr, " \t")) != NULL) {
5078                 /* empty field; skip it */
5079                 if (*arg == '\0')
5080                         continue;
5081
5082                 sp->argc++;
5083                 if ((sp->argv = realloc(sp->argv, sp->argc *
5084                     sizeof *sp->argv)) == NULL)
5085                         err(1, "spawn_insert: realloc");
5086                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5087                         err(1, "spawn_insert: strdup");
5088         }
5089         free(cp);
5090
5091         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5092         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5093 }
5094
5095 void
5096 spawn_remove(struct spawn_prog *sp)
5097 {
5098         int                     i;
5099
5100         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5101
5102         TAILQ_REMOVE(&spawns, sp, entry);
5103         for (i = 0; i < sp->argc; i++)
5104                 free(sp->argv[i]);
5105         free(sp->argv);
5106         free(sp->name);
5107         free(sp);
5108
5109         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5110 }
5111
5112 void
5113 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5114 {
5115         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5116
5117         spawn_remove(sp);
5118         spawn_insert(name, args);
5119
5120         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5121 }
5122
5123 void
5124 setspawn(char *name, char *args)
5125 {
5126         struct spawn_prog       *sp;
5127
5128         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5129
5130         if (name == NULL)
5131                 return;
5132
5133         TAILQ_FOREACH(sp, &spawns, entry) {
5134                 if (!strcmp(sp->name, name)) {
5135                         if (*args == '\0')
5136                                 spawn_remove(sp);
5137                         else
5138                                 spawn_replace(sp, name, args);
5139                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5140                         return;
5141                 }
5142         }
5143         if (*args == '\0') {
5144                 warnx("error: setspawn: cannot find program: %s", name);
5145                 return;
5146         }
5147
5148         spawn_insert(name, args);
5149         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5150 }
5151
5152 int
5153 setconfspawn(char *selector, char *value, int flags)
5154 {
5155         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5156
5157         setspawn(selector, value);
5158
5159         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5160         return (0);
5161 }
5162
5163 void
5164 setup_spawn(void)
5165 {
5166         setconfspawn("term",            "xterm",                0);
5167         setconfspawn("spawn_term",      "xterm",                0);
5168         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5169         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5170         setconfspawn("lock",            "xlock",                0);
5171         setconfspawn("initscr",         "initscreen.sh",        0);
5172         setconfspawn("menu",            "dmenu_run"
5173                                         " -fn $bar_font"
5174                                         " -nb $bar_color"
5175                                         " -nf $bar_font_color"
5176                                         " -sb $bar_border"
5177                                         " -sf $bar_color",      0);
5178         setconfspawn("search",          "dmenu"
5179                                         " -i"
5180                                         " -fn $bar_font"
5181                                         " -nb $bar_color"
5182                                         " -nf $bar_font_color"
5183                                         " -sb $bar_border"
5184                                         " -sf $bar_color",      0);
5185         setconfspawn("name_workspace",  "dmenu"
5186                                         " -p Workspace"
5187                                         " -fn $bar_font"
5188                                         " -nb $bar_color"
5189                                         " -nf $bar_font_color"
5190                                         " -sb $bar_border"
5191                                         " -sf $bar_color",      0);
5192 }
5193
5194 /* key bindings */
5195 #define SWM_MODNAME_SIZE        32
5196 #define SWM_KEY_WS              "\n+ \t"
5197 int
5198 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5199 {
5200         char                    *cp, *name;
5201         KeySym                  uks;
5202         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5203         if (mod == NULL || ks == NULL) {
5204                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5205                 return (1);
5206         }
5207         if (keystr == NULL || strlen(keystr) == 0) {
5208                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5209                 return (1);
5210         }
5211         cp = keystr;
5212         *ks = NoSymbol;
5213         *mod = 0;
5214         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5215                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5216                 if (cp)
5217                         cp += (long)strspn(cp, SWM_KEY_WS);
5218                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5219                         *mod |= currmod;
5220                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5221                         *mod |= Mod1Mask;
5222                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5223                         *mod += Mod2Mask;
5224                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5225                         *mod |= Mod3Mask;
5226                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5227                         *mod |= Mod4Mask;
5228                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5229                         *mod |= ShiftMask;
5230                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5231                         *mod |= ControlMask;
5232                 else {
5233                         *ks = XStringToKeysym(name);
5234                         XConvertCase(*ks, ks, &uks);
5235                         if (ks == NoSymbol) {
5236                                 DNPRINTF(SWM_D_KEY,
5237                                     "parsekeys: invalid key %s\n",
5238                                     name);
5239                                 return (1);
5240                         }
5241                 }
5242         }
5243         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5244         return (0);
5245 }
5246
5247 char *
5248 strdupsafe(char *str)
5249 {
5250         if (str == NULL)
5251                 return (NULL);
5252         else
5253                 return (strdup(str));
5254 }
5255
5256 void
5257 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5258 {
5259         struct key              *kp;
5260
5261         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5262             keyfuncs[kfid].name, spawn_name);
5263
5264         if ((kp = malloc(sizeof *kp)) == NULL)
5265                 err(1, "key_insert: malloc");
5266
5267         kp->mod = mod;
5268         kp->keysym = ks;
5269         kp->funcid = kfid;
5270         kp->spawn_name = strdupsafe(spawn_name);
5271         RB_INSERT(key_tree, &keys, kp);
5272
5273         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5274 }
5275
5276 struct key *
5277 key_lookup(unsigned int mod, KeySym ks)
5278 {
5279         struct key              kp;
5280
5281         kp.keysym = ks;
5282         kp.mod = mod;
5283
5284         return (RB_FIND(key_tree, &keys, &kp));
5285 }
5286
5287 void
5288 key_remove(struct key *kp)
5289 {
5290         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5291
5292         RB_REMOVE(key_tree, &keys, kp);
5293         free(kp->spawn_name);
5294         free(kp);
5295
5296         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5297 }
5298
5299 void
5300 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5301     char *spawn_name)
5302 {
5303         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5304             spawn_name);
5305
5306         key_remove(kp);
5307         key_insert(mod, ks, kfid, spawn_name);
5308
5309         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5310 }
5311
5312 void
5313 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5314     char *spawn_name)
5315 {
5316         struct key              *kp;
5317
5318         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5319             keyfuncs[kfid].name, spawn_name);
5320
5321         if ((kp = key_lookup(mod, ks)) != NULL) {
5322                 if (kfid == kf_invalid)
5323                         key_remove(kp);
5324                 else
5325                         key_replace(kp, mod, ks, kfid, spawn_name);
5326                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5327                 return;
5328         }
5329         if (kfid == kf_invalid) {
5330                 warnx("error: setkeybinding: cannot find mod/key combination");
5331                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5332                 return;
5333         }
5334
5335         key_insert(mod, ks, kfid, spawn_name);
5336         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5337 }
5338
5339 int
5340 setconfbinding(char *selector, char *value, int flags)
5341 {
5342         enum keyfuncid          kfid;
5343         unsigned int            mod;
5344         KeySym                  ks;
5345         struct spawn_prog       *sp;
5346         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5347         if (selector == NULL) {
5348                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5349                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5350                         kfid = kf_invalid;
5351                         setkeybinding(mod, ks, kfid, NULL);
5352                         return (0);
5353                 } else
5354                         return (1);
5355         }
5356         /* search by key function name */
5357         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5358                 if (strncasecmp(selector, keyfuncs[kfid].name,
5359                     SWM_FUNCNAME_LEN) == 0) {
5360                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5361                             selector);
5362                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5363                                 setkeybinding(mod, ks, kfid, NULL);
5364                                 return (0);
5365                         } else
5366                                 return (1);
5367                 }
5368         }
5369         /* search by custom spawn name */
5370         TAILQ_FOREACH(sp, &spawns, entry) {
5371                 if (strcasecmp(selector, sp->name) == 0) {
5372                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5373                             selector);
5374                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5375                                 setkeybinding(mod, ks, kf_spawn_custom,
5376                                     sp->name);
5377                                 return (0);
5378                         } else
5379                                 return (1);
5380                 }
5381         }
5382         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5383         return (1);
5384 }
5385
5386 void
5387 setup_keys(void)
5388 {
5389         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5390         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5391         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5392         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5393         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5394         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5395         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5396         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5397         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5398         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5399         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5400         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5401         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5402         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5403         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5404         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5405         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5406         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5407         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5408         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5409         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5410         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5411         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5412         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5413         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5414         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5415         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5416         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5417         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5418         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5419         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5420         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5421         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5422         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5423         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5424         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5425         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5426         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5427         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5428         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5429         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5430         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5431         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5432         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5433         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5434         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5435         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5436         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5437         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5438         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5439         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5440         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5441         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5442         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5443         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5444         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5445         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5446         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5447         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5448         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5449         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5450         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5451         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5452         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5453         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5454         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5455         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5456         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5457         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5458         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5459         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5460         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5461         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5462         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5463         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5464         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5465         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5466         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5467         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5468         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5469         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5470         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5471         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5472         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5473         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5474         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5475         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5476         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5477         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5478         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5479         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5480         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5481         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5482         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5483         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5484         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5485 #ifdef SWM_DEBUG
5486         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5487 #endif
5488 }
5489
5490 void
5491 clear_keys(void)
5492 {
5493         struct key              *kp;
5494
5495         while (RB_EMPTY(&keys) == 0) {
5496                 kp = RB_ROOT(&keys);
5497                 key_remove(kp);
5498         }
5499 }
5500
5501 int
5502 setkeymapping(char *selector, char *value, int flags)
5503 {
5504         char                    keymapping_file[PATH_MAX];
5505         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5506         if (value[0] == '~')
5507                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5508                     pwd->pw_dir, &value[1]);
5509         else
5510                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5511         clear_keys();
5512         /* load new key bindings; if it fails, revert to default bindings */
5513         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5514                 clear_keys();
5515                 setup_keys();
5516         }
5517         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5518         return (0);
5519 }
5520
5521 void
5522 updatenumlockmask(void)
5523 {
5524         unsigned int            i, j;
5525         XModifierKeymap         *modmap;
5526
5527         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5528         numlockmask = 0;
5529         modmap = XGetModifierMapping(display);
5530         for (i = 0; i < 8; i++)
5531                 for (j = 0; j < modmap->max_keypermod; j++)
5532                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5533                             == XKeysymToKeycode(display, XK_Num_Lock))
5534                                 numlockmask = (1 << i);
5535
5536         XFreeModifiermap(modmap);
5537 }
5538
5539 void
5540 grabkeys(void)
5541 {
5542         int                     num_screens;
5543         unsigned int            j, k;
5544         KeyCode                 code;
5545         unsigned int            modifiers[] =
5546             { 0, LockMask, numlockmask, numlockmask | LockMask };
5547         struct key              *kp;
5548
5549         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5550         updatenumlockmask();
5551
5552         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5553         for (k = 0; k < num_screens; k++) {
5554                 if (TAILQ_EMPTY(&screens[k].rl))
5555                         continue;
5556                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5557                         XCB_MOD_MASK_ANY);
5558                 RB_FOREACH(kp, key_tree, &keys) {
5559                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5560                                 for (j = 0; j < LENGTH(modifiers); j++)
5561                                         XGrabKey(display, code,
5562                                             kp->mod | modifiers[j],
5563                                             screens[k].root, True,
5564                                             GrabModeAsync, GrabModeAsync);
5565                 }
5566         }
5567 }
5568
5569 void
5570 grabbuttons(struct ws_win *win, int focused)
5571 {
5572         unsigned int            i, j;
5573         unsigned int            modifiers[] =
5574             { 0, LockMask, numlockmask, numlockmask|LockMask };
5575
5576         updatenumlockmask();
5577         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5578                 XCB_BUTTON_MASK_ANY);
5579         if (focused) {
5580                 for (i = 0; i < LENGTH(buttons); i++)
5581                         if (buttons[i].action == client_click)
5582                                 for (j = 0; j < LENGTH(modifiers); j++)
5583                                         xcb_grab_button(conn, False, win->id,
5584                                                 BUTTONMASK,
5585                                                 XCB_GRAB_MODE_ASYNC,
5586                                                 XCB_GRAB_MODE_SYNC,
5587                                                 XCB_WINDOW_NONE,
5588                                                 XCB_CURSOR_NONE,
5589                                                 buttons[i].button,
5590                                                 buttons[i].mask);
5591         } else
5592                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5593                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5594                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5595                         XCB_BUTTON_MASK_ANY);
5596 }
5597
5598 const char *quirkname[] = {
5599         "NONE",         /* config string for "no value" */
5600         "FLOAT",
5601         "TRANSSZ",
5602         "ANYWHERE",
5603         "XTERM_FONTADJ",
5604         "FULLSCREEN",
5605         "FOCUSPREV",
5606 };
5607
5608 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5609 #define SWM_Q_WS                "\n|+ \t"
5610 int
5611 parsequirks(char *qstr, unsigned long *quirk)
5612 {
5613         char                    *cp, *name;
5614         int                     i;
5615
5616         if (quirk == NULL)
5617                 return (1);
5618
5619         cp = qstr;
5620         *quirk = 0;
5621         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5622                 if (cp)
5623                         cp += (long)strspn(cp, SWM_Q_WS);
5624                 for (i = 0; i < LENGTH(quirkname); i++) {
5625                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5626                                 DNPRINTF(SWM_D_QUIRK,
5627                                     "parsequirks: %s\n", name);
5628                                 if (i == 0) {
5629                                         *quirk = 0;
5630                                         return (0);
5631                                 }
5632                                 *quirk |= 1 << (i-1);
5633                                 break;
5634                         }
5635                 }
5636                 if (i >= LENGTH(quirkname)) {
5637                         DNPRINTF(SWM_D_QUIRK,
5638                             "parsequirks: invalid quirk [%s]\n", name);
5639                         return (1);
5640                 }
5641         }
5642         return (0);
5643 }
5644
5645 void
5646 quirk_insert(const char *class, const char *name, unsigned long quirk)
5647 {
5648         struct quirk            *qp;
5649
5650         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5651             quirk);
5652
5653         if ((qp = malloc(sizeof *qp)) == NULL)
5654                 err(1, "quirk_insert: malloc");
5655         if ((qp->class = strdup(class)) == NULL)
5656                 err(1, "quirk_insert: strdup");
5657         if ((qp->name = strdup(name)) == NULL)
5658                 err(1, "quirk_insert: strdup");
5659
5660         qp->quirk = quirk;
5661         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5662
5663         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5664 }
5665
5666 void
5667 quirk_remove(struct quirk *qp)
5668 {
5669         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5670             qp->name, qp->quirk);
5671
5672         TAILQ_REMOVE(&quirks, qp, entry);
5673         free(qp->class);
5674         free(qp->name);
5675         free(qp);
5676
5677         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5678 }
5679
5680 void
5681 quirk_replace(struct quirk *qp, const char *class, const char *name,
5682     unsigned long quirk)
5683 {
5684         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5685             qp->name, qp->quirk);
5686
5687         quirk_remove(qp);
5688         quirk_insert(class, name, quirk);
5689
5690         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5691 }
5692
5693 void
5694 setquirk(const char *class, const char *name, unsigned long quirk)
5695 {
5696         struct quirk            *qp;
5697
5698         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5699            quirk);
5700
5701         TAILQ_FOREACH(qp, &quirks, entry) {
5702                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5703                         if (!quirk)
5704                                 quirk_remove(qp);
5705                         else
5706                                 quirk_replace(qp, class, name, quirk);
5707                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5708                         return;
5709                 }
5710         }
5711         if (!quirk) {
5712                 warnx("error: setquirk: cannot find class/name combination");
5713                 return;
5714         }
5715
5716         quirk_insert(class, name, quirk);
5717         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5718 }
5719
5720 int
5721 setconfquirk(char *selector, char *value, int flags)
5722 {
5723         char                    *cp, *class, *name;
5724         int                     retval;
5725         unsigned long           quirks;
5726         if (selector == NULL)
5727                 return (0);
5728         if ((cp = strchr(selector, ':')) == NULL)
5729                 return (0);
5730         *cp = '\0';
5731         class = selector;
5732         name = cp + 1;
5733         if ((retval = parsequirks(value, &quirks)) == 0)
5734                 setquirk(class, name, quirks);
5735         return (retval);
5736 }
5737
5738 void
5739 setup_quirks(void)
5740 {
5741         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5742         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5743         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5744         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5745         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5746         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5747         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5748         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5749         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5750         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5751         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5752         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5753         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5754 }
5755
5756 /* conf file stuff */
5757 #define SWM_CONF_FILE           "spectrwm.conf"
5758 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5759
5760 enum {
5761         SWM_S_BAR_ACTION,
5762         SWM_S_BAR_AT_BOTTOM,
5763         SWM_S_BAR_BORDER_WIDTH,
5764         SWM_S_BAR_DELAY,
5765         SWM_S_BAR_ENABLED,
5766         SWM_S_BAR_FONT,
5767         SWM_S_BAR_FORMAT,
5768         SWM_S_BAR_JUSTIFY,
5769         SWM_S_BORDER_WIDTH,
5770         SWM_S_CLOCK_ENABLED,
5771         SWM_S_CLOCK_FORMAT,
5772         SWM_S_CYCLE_EMPTY,
5773         SWM_S_CYCLE_VISIBLE,
5774         SWM_S_DIALOG_RATIO,
5775         SWM_S_DISABLE_BORDER,
5776         SWM_S_FOCUS_CLOSE,
5777         SWM_S_FOCUS_CLOSE_WRAP,
5778         SWM_S_FOCUS_DEFAULT,
5779         SWM_S_FOCUS_MODE,
5780         SWM_S_SPAWN_ORDER,
5781         SWM_S_SPAWN_TERM,
5782         SWM_S_SS_APP,
5783         SWM_S_SS_ENABLED,
5784         SWM_S_STACK_ENABLED,
5785         SWM_S_TERM_WIDTH,
5786         SWM_S_TITLE_CLASS_ENABLED,
5787         SWM_S_TITLE_NAME_ENABLED,
5788         SWM_S_URGENT_ENABLED,
5789         SWM_S_VERBOSE_LAYOUT,
5790         SWM_S_WINDOW_NAME_ENABLED,
5791         SWM_S_WORKSPACE_LIMIT
5792 };
5793
5794 int
5795 setconfvalue(char *selector, char *value, int flags)
5796 {
5797         int     i;
5798         char    *b;
5799
5800         switch (flags) {
5801         case SWM_S_BAR_ACTION:
5802                 free(bar_argv[0]);
5803                 if ((bar_argv[0] = strdup(value)) == NULL)
5804                         err(1, "setconfvalue: bar_action");
5805                 break;
5806         case SWM_S_BAR_AT_BOTTOM:
5807                 bar_at_bottom = atoi(value);
5808                 break;
5809         case SWM_S_BAR_BORDER_WIDTH:
5810                 bar_border_width = atoi(value);
5811                 if (bar_border_width < 0)
5812                         bar_border_width = 0;
5813                 break;
5814         case SWM_S_BAR_DELAY:
5815                 bar_delay = atoi(value);
5816                 break;
5817         case SWM_S_BAR_ENABLED:
5818                 bar_enabled = atoi(value);
5819                 break;
5820         case SWM_S_BAR_FONT:
5821                 b = bar_fonts;
5822                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5823                         err(1, "setconfvalue: asprintf: failed to allocate "
5824                                 "memory for bar_fonts.");
5825
5826                 free(b);
5827                 break;
5828         case SWM_S_BAR_FORMAT:
5829                 free(bar_format);
5830                 if ((bar_format = strdup(value)) == NULL)
5831                         err(1, "setconfvalue: bar_format");
5832                 break;
5833         case SWM_S_BAR_JUSTIFY:
5834                 if (!strcmp(value, "left"))
5835                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5836                 else if (!strcmp(value, "center"))
5837                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5838                 else if (!strcmp(value, "right"))
5839                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5840                 else
5841                         errx(1, "invalid bar_justify");
5842                 break;
5843         case SWM_S_BORDER_WIDTH:
5844                 border_width = atoi(value);
5845                 if (border_width < 0)
5846                         border_width = 0;
5847                 break;
5848         case SWM_S_CLOCK_ENABLED:
5849                 clock_enabled = atoi(value);
5850                 break;
5851         case SWM_S_CLOCK_FORMAT:
5852 #ifndef SWM_DENY_CLOCK_FORMAT
5853                 free(clock_format);
5854                 if ((clock_format = strdup(value)) == NULL)
5855                         err(1, "setconfvalue: clock_format");
5856 #endif
5857                 break;
5858         case SWM_S_CYCLE_EMPTY:
5859                 cycle_empty = atoi(value);
5860                 break;
5861         case SWM_S_CYCLE_VISIBLE:
5862                 cycle_visible = atoi(value);
5863                 break;
5864         case SWM_S_DIALOG_RATIO:
5865                 dialog_ratio = atof(value);
5866                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5867                         dialog_ratio = .6;
5868                 break;
5869         case SWM_S_DISABLE_BORDER:
5870                 disable_border = atoi(value);
5871                 break;
5872         case SWM_S_FOCUS_CLOSE:
5873                 if (!strcmp(value, "first"))
5874                         focus_close = SWM_STACK_BOTTOM;
5875                 else if (!strcmp(value, "last"))
5876                         focus_close = SWM_STACK_TOP;
5877                 else if (!strcmp(value, "next"))
5878                         focus_close = SWM_STACK_ABOVE;
5879                 else if (!strcmp(value, "previous"))
5880                         focus_close = SWM_STACK_BELOW;
5881                 else
5882                         errx(1, "focus_close");
5883                 break;
5884         case SWM_S_FOCUS_CLOSE_WRAP:
5885                 focus_close_wrap = atoi(value);
5886                 break;
5887         case SWM_S_FOCUS_DEFAULT:
5888                 if (!strcmp(value, "last"))
5889                         focus_default = SWM_STACK_TOP;
5890                 else if (!strcmp(value, "first"))
5891                         focus_default = SWM_STACK_BOTTOM;
5892                 else
5893                         errx(1, "focus_default");
5894                 break;
5895         case SWM_S_FOCUS_MODE:
5896                 if (!strcmp(value, "default"))
5897                         focus_mode = SWM_FOCUS_DEFAULT;
5898                 else if (!strcmp(value, "follow_cursor"))
5899                         focus_mode = SWM_FOCUS_FOLLOW;
5900                 else if (!strcmp(value, "synergy"))
5901                         focus_mode = SWM_FOCUS_SYNERGY;
5902                 else
5903                         errx(1, "focus_mode");
5904                 break;
5905         case SWM_S_SPAWN_ORDER:
5906                 if (!strcmp(value, "first"))
5907                         spawn_position = SWM_STACK_BOTTOM;
5908                 else if (!strcmp(value, "last"))
5909                         spawn_position = SWM_STACK_TOP;
5910                 else if (!strcmp(value, "next"))
5911                         spawn_position = SWM_STACK_ABOVE;
5912                 else if (!strcmp(value, "previous"))
5913                         spawn_position = SWM_STACK_BELOW;
5914                 else
5915                         errx(1, "spawn_position");
5916                 break;
5917         case SWM_S_SPAWN_TERM:
5918                 setconfspawn("term", value, 0);
5919                 setconfspawn("spawn_term", value, 0);
5920                 break;
5921         case SWM_S_SS_APP:
5922                 break;
5923         case SWM_S_SS_ENABLED:
5924                 ss_enabled = atoi(value);
5925                 break;
5926         case SWM_S_STACK_ENABLED:
5927                 stack_enabled = atoi(value);
5928                 break;
5929         case SWM_S_TERM_WIDTH:
5930                 term_width = atoi(value);
5931                 if (term_width < 0)
5932                         term_width = 0;
5933                 break;
5934         case SWM_S_TITLE_CLASS_ENABLED:
5935                 title_class_enabled = atoi(value);
5936                 break;
5937         case SWM_S_TITLE_NAME_ENABLED:
5938                 title_name_enabled = atoi(value);
5939                 break;
5940         case SWM_S_URGENT_ENABLED:
5941                 urgent_enabled = atoi(value);
5942                 break;
5943         case SWM_S_VERBOSE_LAYOUT:
5944                 verbose_layout = atoi(value);
5945                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5946                         if (verbose_layout)
5947                                 layouts[i].l_string = fancy_stacker;
5948                         else
5949                                 layouts[i].l_string = plain_stacker;
5950                 }
5951                 break;
5952         case SWM_S_WINDOW_NAME_ENABLED:
5953                 window_name_enabled = atoi(value);
5954                 break;
5955         case SWM_S_WORKSPACE_LIMIT:
5956                 workspace_limit = atoi(value);
5957                 if (workspace_limit > SWM_WS_MAX)
5958                         workspace_limit = SWM_WS_MAX;
5959                 else if (workspace_limit < 1)
5960                         workspace_limit = 1;
5961                 break;
5962         default:
5963                 return (1);
5964         }
5965         return (0);
5966 }
5967
5968 int
5969 setconfmodkey(char *selector, char *value, int flags)
5970 {
5971         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5972                 update_modkey(Mod1Mask);
5973         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5974                 update_modkey(Mod2Mask);
5975         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5976                 update_modkey(Mod3Mask);
5977         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5978                 update_modkey(Mod4Mask);
5979         else
5980                 return (1);
5981         return (0);
5982 }
5983
5984 int
5985 setconfcolor(char *selector, char *value, int flags)
5986 {
5987         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5988         return (0);
5989 }
5990
5991 int
5992 setconfregion(char *selector, char *value, int flags)
5993 {
5994         custom_region(value);
5995         return (0);
5996 }
5997
5998 int
5999 setautorun(char *selector, char *value, int flags)
6000 {
6001         int                     ws_id;
6002         char                    s[1024];
6003         char                    *ap, *sp = s;
6004         union arg               a;
6005         int                     argc = 0;
6006         long                    pid;
6007         struct pid_e            *p;
6008
6009         if (getenv("SWM_STARTED"))
6010                 return (0);
6011
6012         bzero(s, sizeof s);
6013         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6014                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6015         ws_id--;
6016         if (ws_id < 0 || ws_id >= workspace_limit)
6017                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6018
6019         /*
6020          * This is a little intricate
6021          *
6022          * If the pid already exists we simply reuse it because it means it was
6023          * used before AND not claimed by manage_window.  We get away with
6024          * altering it in the parent after INSERT because this can not be a race
6025          */
6026         a.argv = NULL;
6027         while ((ap = strsep(&sp, " \t")) != NULL) {
6028                 if (*ap == '\0')
6029                         continue;
6030                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6031                 argc++;
6032                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6033                         err(1, "setautorun: realloc");
6034                 a.argv[argc - 1] = ap;
6035         }
6036
6037         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6038                 err(1, "setautorun: realloc");
6039         a.argv[argc] = NULL;
6040
6041         if ((pid = fork()) == 0) {
6042                 spawn(ws_id, &a, 1);
6043                 /* NOTREACHED */
6044                 _exit(1);
6045         }
6046         free(a.argv);
6047
6048         /* parent */
6049         p = find_pid(pid);
6050         if (p == NULL) {
6051                 p = calloc(1, sizeof *p);
6052                 if (p == NULL)
6053                         return (1);
6054                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6055         }
6056
6057         p->pid = pid;
6058         p->ws = ws_id;
6059
6060         return (0);
6061 }
6062
6063 int
6064 setlayout(char *selector, char *value, int flags)
6065 {
6066         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6067         int                     st = SWM_V_STACK, num_screens;
6068         char                    s[1024];
6069         struct workspace        *ws;
6070
6071         if (getenv("SWM_STARTED"))
6072                 return (0);
6073
6074         bzero(s, sizeof s);
6075         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6076             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6077                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6078                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6079                     "<type>'");
6080         ws_id--;
6081         if (ws_id < 0 || ws_id >= workspace_limit)
6082                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6083
6084         if (!strcasecmp(s, "vertical"))
6085                 st = SWM_V_STACK;
6086         else if (!strcasecmp(s, "vertical_flip")) {
6087                 st = SWM_V_STACK;
6088                 f = 1;
6089         } else if (!strcasecmp(s, "horizontal"))
6090                 st = SWM_H_STACK;
6091         else if (!strcasecmp(s, "horizontal_flip")) {
6092                 st = SWM_H_STACK;
6093                 f = 1;
6094         } else if (!strcasecmp(s, "fullscreen"))
6095                 st = SWM_MAX_STACK;
6096         else
6097                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6098                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6099                     "<type>'");
6100
6101         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6102         for (i = 0; i < num_screens; i++) {
6103                 ws = (struct workspace *)&screens[i].ws;
6104                 ws[ws_id].cur_layout = &layouts[st];
6105
6106                 ws[ws_id].always_raise = raise;
6107                 if (st == SWM_MAX_STACK)
6108                         continue;
6109
6110                 /* master grow */
6111                 for (x = 0; x < abs(mg); x++) {
6112                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6113                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6114                             SWM_ARG_ID_MASTERSHRINK);
6115                         stack();
6116                 }
6117                 /* master add */
6118                 for (x = 0; x < abs(ma); x++) {
6119                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6120                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6121                             SWM_ARG_ID_MASTERDEL);
6122                         stack();
6123                 }
6124                 /* stack inc */
6125                 for (x = 0; x < abs(si); x++) {
6126                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6127                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6128                             SWM_ARG_ID_STACKDEC);
6129                         stack();
6130                 }
6131                 /* Apply flip */
6132                 if (f) {
6133                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6134                             SWM_ARG_ID_FLIPLAYOUT);
6135                         stack();
6136                 }
6137         }
6138
6139         return (0);
6140 }
6141
6142 /* config options */
6143 struct config_option {
6144         char                    *optname;
6145         int                     (*func)(char*, char*, int);
6146         int                     funcflags;
6147 };
6148 struct config_option configopt[] = {
6149         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6150         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6151         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6152         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6153         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6154         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6155         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6156         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6157         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6158         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6159         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6160         { "keyboard_mapping",           setkeymapping,  0 },
6161         { "bind",                       setconfbinding, 0 },
6162         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6163         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6164         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6165         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6166         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6167         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6168         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6169         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6170         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6171         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6172         { "modkey",                     setconfmodkey,  0 },
6173         { "program",                    setconfspawn,   0 },
6174         { "quirk",                      setconfquirk,   0 },
6175         { "region",                     setconfregion,  0 },
6176         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6177         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6178         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6179         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6180         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6181         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6182         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6183         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6184         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6185         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6186         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6187         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6188         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6189         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6190         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6191         { "autorun",                    setautorun,     0 },
6192         { "layout",                     setlayout,      0 },
6193 };
6194
6195
6196 int
6197 conf_load(char *filename, int keymapping)
6198 {
6199         FILE                    *config;
6200         char                    *line, *cp, *optsub, *optval;
6201         size_t                  linelen, lineno = 0;
6202         int                     wordlen, i, optind;
6203         struct config_option    *opt;
6204
6205         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6206
6207         if (filename == NULL) {
6208                 warnx("conf_load: no filename");
6209                 return (1);
6210         }
6211         if ((config = fopen(filename, "r")) == NULL) {
6212                 warn("conf_load: fopen: %s", filename);
6213                 return (1);
6214         }
6215
6216         while (!feof(config)) {
6217                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6218                     == NULL) {
6219                         if (ferror(config))
6220                                 err(1, "%s", filename);
6221                         else
6222                                 continue;
6223                 }
6224                 cp = line;
6225                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6226                 if (cp[0] == '\0') {
6227                         /* empty line */
6228                         free(line);
6229                         continue;
6230                 }
6231                 /* get config option */
6232                 wordlen = strcspn(cp, "=[ \t\n");
6233                 if (wordlen == 0) {
6234                         warnx("%s: line %zd: no option found",
6235                             filename, lineno);
6236                         goto out;
6237                 }
6238                 optind = -1;
6239                 for (i = 0; i < LENGTH(configopt); i++) {
6240                         opt = &configopt[i];
6241                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6242                             strlen(opt->optname) == wordlen) {
6243                                 optind = i;
6244                                 break;
6245                         }
6246                 }
6247                 if (optind == -1) {
6248                         warnx("%s: line %zd: unknown option %.*s",
6249                             filename, lineno, wordlen, cp);
6250                         goto out;
6251                 }
6252                 if (keymapping && strcmp(opt->optname, "bind")) {
6253                         warnx("%s: line %zd: invalid option %.*s",
6254                             filename, lineno, wordlen, cp);
6255                         goto out;
6256                 }
6257                 cp += wordlen;
6258                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6259                 /* get [selector] if any */
6260                 optsub = NULL;
6261                 if (*cp == '[') {
6262                         cp++;
6263                         wordlen = strcspn(cp, "]");
6264                         if (*cp != ']') {
6265                                 if (wordlen == 0) {
6266                                         warnx("%s: line %zd: syntax error",
6267                                             filename, lineno);
6268                                         goto out;
6269                                 }
6270
6271                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6272                                     -1) {
6273                                         warnx("%s: line %zd: unable to allocate"
6274                                             "memory for selector", filename,
6275                                             lineno);
6276                                         goto out;
6277                                 }
6278                         }
6279                         cp += wordlen;
6280                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6281                 }
6282                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6283                 /* get RHS value */
6284                 optval = strdup(cp);
6285                 /* call function to deal with it all */
6286                 if (configopt[optind].func(optsub, optval,
6287                     configopt[optind].funcflags) != 0)
6288                         errx(1, "%s: line %zd: invalid data for %s",
6289                             filename, lineno, configopt[optind].optname);
6290                 free(optval);
6291                 free(optsub);
6292                 free(line);
6293         }
6294
6295         fclose(config);
6296         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6297
6298         return (0);
6299
6300 out:
6301         free(line);
6302         fclose(config);
6303         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6304
6305         return (1);
6306 }
6307
6308 void
6309 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6310 {
6311         struct ws_win           *parent, *w;
6312         struct swm_region       *r;
6313         struct workspace        *ws;
6314         xcb_wm_hints_t          wmh;
6315
6316         parent = find_window(win->transient);
6317         if (parent)
6318                 parent->child_trans = win;
6319         else {
6320                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6321                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6322
6323                 r = root_to_region(win->wa->root);
6324                 ws = r->ws;
6325                 /* parent doen't exist in our window list */
6326                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6327                         if (xcb_icccm_get_wm_hints_reply(conn,
6328                                         xcb_icccm_get_wm_hints(conn, w->id),
6329                                         &wmh, NULL) != 1) {
6330                                 warnx("can't get hints for 0x%x", w->id);
6331                                 continue;
6332                         }
6333
6334                         if (win->hints.window_group != wmh.window_group)
6335                                 continue;
6336
6337                         w->child_trans = win;
6338                         win->transient = w->id;
6339                         *trans = w->id;
6340                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6341                             "transient to 0x%x\n", win->transient);
6342                         break;
6343                 }
6344         }
6345 }
6346
6347 long
6348 window_get_pid(xcb_window_t win)
6349 {
6350         long                            ret = 0;
6351         const char                      *errstr;
6352         xcb_atom_t                      apid;
6353         xcb_get_property_cookie_t       pc;
6354         xcb_get_property_reply_t        *pr;
6355
6356         apid = get_atom_from_string("_NET_WM_PID");
6357         if (apid == XCB_ATOM_NONE)
6358                 goto tryharder;
6359
6360         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6361         pr = xcb_get_property_reply(conn, pc, NULL);
6362         if (!pr)
6363                 goto tryharder;
6364         if (pr->type != XCB_ATOM_CARDINAL)
6365                 goto tryharder;
6366
6367         ret = *(long *)xcb_get_property_value(pr);
6368         free(pr);
6369
6370         return (ret);
6371
6372 tryharder:
6373         apid = get_atom_from_string("_SWM_PID");
6374         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6375                 0, SWM_PROPLEN);
6376         pr = xcb_get_property_reply(conn, pc, NULL);
6377         if (!pr)
6378                 return (0);
6379         if (pr->type != XCB_ATOM_STRING)
6380                 free(pr);
6381                 return (0);
6382         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6383         free(pr);
6384
6385         return (ret);
6386 }
6387
6388 struct ws_win *
6389 manage_window(xcb_window_t id)
6390 {
6391         xcb_window_t            trans = XCB_WINDOW_NONE;
6392         struct workspace        *ws;
6393         struct ws_win           *win, *ww;
6394         int                     i, ws_idx, border_me = 0;
6395         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6396         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6397         size_t                  proplen;
6398         struct swm_region       *r;
6399         const char              *errstr;
6400         struct pid_e            *p;
6401         struct quirk            *qp;
6402         uint32_t                event_mask;
6403         xcb_atom_t              prot;
6404         xcb_get_property_reply_t        *gpr;
6405         xcb_get_wm_protocols_reply_t    wpr;
6406
6407         if ((win = find_window(id)) != NULL)
6408                 return (win);   /* already being managed */
6409
6410         /* see if we are on the unmanaged list */
6411         if ((win = find_unmanaged_window(id)) != NULL) {
6412                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6413                     "window: 0x%x\n", win->id);
6414                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6415                 if (win->transient)
6416                         set_child_transient(win, &trans);
6417
6418                 if (trans && (ww = find_window(trans)))
6419                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6420                 else if ((ww = win->ws->focus) &&
6421                     spawn_position == SWM_STACK_ABOVE)
6422                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6423                             win, entry);
6424                 else if (ww && spawn_position == SWM_STACK_BELOW)
6425                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6426                 else switch (spawn_position) {
6427                 default:
6428                 case SWM_STACK_TOP:
6429                 case SWM_STACK_ABOVE:
6430                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6431                         break;
6432                 case SWM_STACK_BOTTOM:
6433                 case SWM_STACK_BELOW:
6434                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6435                 }
6436
6437                 ewmh_update_actions(win);
6438                 return (win);
6439         }
6440
6441         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6442                 err(1, "manage_window: calloc: failed to allocate memory for "
6443                     "new window");
6444
6445         win->id = id;
6446         win->bordered = 0;
6447
6448         /* see if we need to override the workspace */
6449         p = find_pid(window_get_pid(id));
6450
6451         /* Get all the window data in one shot */
6452         ws_idx_atom = get_atom_from_string("_SWM_WS");
6453         fprintf(stderr, "ws_idx_atom: %d\n", ws_idx_atom);
6454         if (ws_idx_atom) {
6455                 gpr = xcb_get_property_reply(conn,
6456                         xcb_get_property(conn, False, id, ws_idx_atom,
6457                                 XCB_ATOM_STRING, 0, SWM_PROPLEN),
6458                         NULL);
6459                 if (gpr) {
6460                         proplen = xcb_get_property_value_length(gpr);
6461                         if (proplen > 0) {
6462                                 prop = malloc(proplen + 1);
6463                                 if (prop) {
6464                                         memcpy(prop,
6465                                             xcb_get_property_value(gpr),
6466                                             proplen);
6467                                         prop[proplen] = '\0';
6468                                 }
6469                         }
6470                         free(gpr);
6471                 }
6472         }
6473         win->wa = xcb_get_geometry_reply(conn,
6474                 xcb_get_geometry(conn, id),
6475                 NULL);
6476         xcb_get_wm_normal_hints_reply(conn,
6477                 xcb_get_wm_normal_hints(conn, id),
6478                 &win->sh, NULL);
6479         xcb_icccm_get_wm_hints_reply(conn,
6480                 xcb_icccm_get_wm_hints(conn, id),
6481                 &win->hints, NULL);
6482         xcb_get_wm_transient_for_reply(conn,
6483                 xcb_get_wm_transient_for(conn, id),
6484                 &trans, NULL);
6485         if (trans) {
6486                 win->transient = trans;
6487                 set_child_transient(win, &trans);
6488                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6489                     "transient: 0x%x\n", win->id, win->transient);
6490         }
6491
6492         prot = xcb_atom_get_fast_reply(conn,
6493                 xcb_atom_get_fast(conn, False, strlen("WM_PROTOCOLS"),
6494                         "WM_PROTOCOLS"),
6495                 NULL);
6496         /* get supported protocols */
6497         if (xcb_get_wm_protocols_reply(conn,
6498                         xcb_get_wm_protocols(conn, id, prot),
6499                         &wpr, NULL)) {
6500                 for (i = 0; i < wpr.atoms_len; i++) {
6501                         if (wpr.atoms[i] == takefocus)
6502                                 win->take_focus = 1;
6503                         if (wpr.atoms[i] == adelete)
6504                                 win->can_delete = 1;
6505                 }
6506                 xcb_get_wm_protocols_reply_wipe(&wpr);
6507         }
6508
6509         win->iconic = get_iconic(win);
6510
6511         /*
6512          * Figure out where to put the window. If it was previously assigned to
6513          * a workspace (either by spawn() or manually moving), and isn't
6514          * transient, * put it in the same workspace
6515          */
6516         r = root_to_region(win->wa->root);
6517         if (p) {
6518                 ws = &r->s->ws[p->ws];
6519                 TAILQ_REMOVE(&pidlist, p, entry);
6520                 free(p);
6521                 p = NULL;
6522         } else if (prop && win->transient == 0) {
6523                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6524                 ws_idx = strtonum(prop, 0, workspace_limit - 1,
6525                     &errstr);
6526                 if (errstr) {
6527                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6528                             errstr, prop);
6529                 }
6530                 ws = &r->s->ws[ws_idx];
6531         } else {
6532                 ws = r->ws;
6533                 /* this should launch transients in the same ws as parent */
6534                 if (id && trans)
6535                         if ((ww = find_window(trans)) != NULL)
6536                                 if (ws->r) {
6537                                         ws = ww->ws;
6538                                         if (ww->ws->r)
6539                                                 r = ww->ws->r;
6540                                         else
6541                                                 warnx("manage_window: fix this "
6542                                                     "bug mcbride");
6543                                         border_me = 1;
6544                                 }
6545         }
6546
6547         /* set up the window layout */
6548         win->id = id;
6549         win->ws = ws;
6550         win->s = r->s;  /* this never changes */
6551         if (trans && (ww = find_window(trans)))
6552                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6553         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6554                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6555                     entry);
6556         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6557                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6558         else switch (spawn_position) {
6559         default:
6560         case SWM_STACK_TOP:
6561         case SWM_STACK_ABOVE:
6562                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6563                 break;
6564         case SWM_STACK_BOTTOM:
6565         case SWM_STACK_BELOW:
6566                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6567         }
6568
6569         /* ignore window border if there is one. */
6570         WIDTH(win) = win->wa->width;
6571         HEIGHT(win) = win->wa->height;
6572         X(win) = win->wa->x + win->wa->border_width;
6573         Y(win) = win->wa->y + win->wa->border_width;
6574         win->bordered = 0;
6575         win->g_floatvalid = 0;
6576         win->floatmaxed = 0;
6577         win->ewmh_flags = 0;
6578
6579         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6580             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6581             HEIGHT(win), ws->idx);
6582
6583         constrain_window(win, r, 0);
6584
6585         /* Set window properties so we can remember this after reincarnation */
6586         if (ws_idx_atom && prop == NULL &&
6587             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6588                 SWM_PROPLEN) {
6589                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6590                     ws_idx_str);
6591                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6592                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6593                         ws_idx_str);
6594         }
6595         if (prop)
6596                 free(prop);
6597
6598         ewmh_autoquirk(win);
6599
6600         if (xcb_get_wm_class_reply(conn,
6601                         xcb_get_wm_class(conn, win->id),
6602                         &win->ch, NULL)) {
6603                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6604                     win->ch.class_name, win->ch.instance_name);
6605
6606                 /* java is retarded so treat it special */
6607                 if (strstr(win->ch.instance_name, "sun-awt")) {
6608                         win->java = 1;
6609                         border_me = 1;
6610                 }
6611
6612                 TAILQ_FOREACH(qp, &quirks, entry) {
6613                         if (!strcmp(win->ch.class_name, qp->class) &&
6614                             !strcmp(win->ch.instance_name, qp->name)) {
6615                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6616                                     "class: %s, name: %s\n", win->ch.class_name,
6617                                     win->ch.instance_name);
6618                                 if (qp->quirk & SWM_Q_FLOAT) {
6619                                         win->floating = 1;
6620                                         border_me = 1;
6621                                 }
6622                                 win->quirks = qp->quirk;
6623                         }
6624                 }
6625         }
6626
6627         /* alter window position if quirky */
6628         if (win->quirks & SWM_Q_ANYWHERE) {
6629                 win->manual = 1; /* don't center the quirky windows */
6630                 if (bar_enabled && Y(win) < bar_height)
6631                         Y(win) = bar_height;
6632                 if (WIDTH(win) + X(win) > WIDTH(r))
6633                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6634                 border_me = 1;
6635         }
6636
6637         /* Reset font sizes (the bruteforce way; no default keybinding). */
6638         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6639                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6640                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6641                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6642                         fake_keypress(win, XK_KP_Add, ShiftMask);
6643         }
6644
6645         ewmh_get_win_state(win);
6646         ewmh_update_actions(win);
6647         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6648
6649         /* border me */
6650         if (border_me) {
6651                 win->bordered = 1;
6652                 X(win) -= border_width;
6653                 Y(win) -= border_width;
6654                 update_window(win);
6655         }
6656
6657         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6658                         XCB_EVENT_MASK_PROPERTY_CHANGE |
6659                         XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6660
6661         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6662
6663         /* floaters need to be mapped if they are in the current workspace */
6664         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6665                 map_window_raised(win->id);
6666
6667         return (win);
6668 }
6669
6670 void
6671 free_window(struct ws_win *win)
6672 {
6673         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6674
6675         if (win == NULL)
6676                 return;
6677
6678         /* needed for restart wm */
6679         set_win_state(win, XCB_ICCCM_WM_STATE_WITHDRAWN);
6680
6681         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6682
6683         if (win->wa)
6684                 free(win->wa);
6685
6686         xcb_get_wm_class_reply_wipe(&win->ch);
6687
6688         kill_refs(win);
6689
6690         /* paint memory */
6691         memset(win, 0xff, sizeof *win); /* XXX kill later */
6692
6693         free(win);
6694 }
6695
6696 void
6697 unmanage_window(struct ws_win *win)
6698 {
6699         struct ws_win           *parent;
6700         xcb_screen_t            *screen;
6701
6702         if (win == NULL)
6703                 return;
6704
6705         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6706
6707         if (win->transient) {
6708                 parent = find_window(win->transient);
6709                 if (parent)
6710                         parent->child_trans = NULL;
6711         }
6712
6713         /* focus on root just in case */
6714         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6715         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6716                 screen->root, XCB_CURRENT_TIME);
6717
6718         focus_prev(win);
6719
6720         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6721         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6722 }
6723
6724 void
6725 focus_magic(struct ws_win *win)
6726 {
6727         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6728
6729         if (win == NULL) {
6730                 /* if there are no windows clear the status-bar */
6731                 bar_update();
6732                 return;
6733         }
6734
6735         if (win->child_trans) {
6736                 /* win = parent & has a transient so focus on that */
6737                 if (win->java) {
6738                         focus_win(win->child_trans);
6739                         if (win->child_trans->take_focus)
6740                                 client_msg(win, takefocus);
6741                 } else {
6742                         /* make sure transient hasn't disappeared */
6743                         if (validate_win(win->child_trans) == 0) {
6744                                 focus_win(win->child_trans);
6745                                 if (win->child_trans->take_focus)
6746                                         client_msg(win->child_trans, takefocus);
6747                         } else {
6748                                 win->child_trans = NULL;
6749                                 focus_win(win);
6750                                 if (win->take_focus)
6751                                         client_msg(win, takefocus);
6752                         }
6753                 }
6754         } else {
6755                 /* regular focus */
6756                 focus_win(win);
6757                 if (win->take_focus)
6758                         client_msg(win, takefocus);
6759         }
6760 }
6761
6762 void
6763 expose(XEvent *e)
6764 {
6765         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6766 }
6767
6768 void
6769 keypress(XEvent *e)
6770 {
6771         KeySym                  keysym;
6772         XKeyEvent               *ev = &e->xkey;
6773         struct key              *kp;
6774         struct swm_region       *r;
6775
6776         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6777         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6778                 return;
6779         if (keyfuncs[kp->funcid].func == NULL)
6780                 return;
6781
6782         r = root_to_region(ev->root);
6783         if (kp->funcid == kf_spawn_custom)
6784                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6785         else
6786                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6787 }
6788
6789 void
6790 buttonpress(XEvent *e)
6791 {
6792         struct ws_win           *win;
6793         int                     i, action;
6794         XButtonPressedEvent     *ev = &e->xbutton;
6795
6796         if ((win = find_window(ev->window)) == NULL)
6797                 return;
6798
6799         focus_magic(win);
6800         action = client_click;
6801
6802         for (i = 0; i < LENGTH(buttons); i++)
6803                 if (action == buttons[i].action && buttons[i].func &&
6804                     buttons[i].button == ev->button &&
6805                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6806                         buttons[i].func(win, &buttons[i].args);
6807 }
6808
6809 void
6810 configurerequest(XEvent *e)
6811 {
6812         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6813         struct ws_win           *win;
6814         int                     new = 0;
6815         XWindowChanges          wc;
6816
6817         if ((win = find_window(ev->window)) == NULL)
6818                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6819                         new = 1;
6820
6821         if (new) {
6822                 bzero(&wc, sizeof wc);
6823                 wc.x = ev->x;
6824                 wc.y = ev->y;
6825                 wc.width = ev->width;
6826                 wc.height = ev->height;
6827                 wc.border_width = ev->border_width;
6828                 wc.sibling = ev->above;
6829                 wc.stack_mode = ev->detail;
6830
6831                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6832                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6833                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6834
6835                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6836         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6837             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6838                 win->g_float.x = ev->x - X(win->ws->r);
6839                 win->g_float.y = ev->y - Y(win->ws->r);
6840                 win->g_float.w = ev->width;
6841                 win->g_float.h = ev->height;
6842                 win->g_floatvalid = 1;
6843
6844                 if (win->floating) {
6845                         win->g = win->g_float;
6846                         win->g.x += X(win->ws->r);
6847                         win->g.y += Y(win->ws->r);
6848                         update_window(win);
6849                 } else {
6850                         config_win(win, ev);
6851                 }
6852         } else {
6853                 config_win(win, ev);
6854         }
6855 }
6856
6857 void
6858 configurenotify(XEvent *e)
6859 {
6860         struct ws_win           *win;
6861
6862         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6863             e->xconfigure.window);
6864
6865         win = find_window(e->xconfigure.window);
6866         if (win) {
6867                 xcb_get_wm_normal_hints_reply(conn,
6868                         xcb_get_wm_normal_hints(conn, win->id),
6869                         &win->sh, NULL);
6870                 adjust_font(win);
6871                 if (font_adjusted)
6872                         stack();
6873                 if (focus_mode == SWM_FOCUS_DEFAULT)
6874                         drain_enter_notify();
6875         }
6876 }
6877
6878 void
6879 destroynotify(XEvent *e)
6880 {
6881         struct ws_win           *win;
6882         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6883
6884         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6885
6886         if ((win = find_window(ev->window)) == NULL) {
6887                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6888                         return;
6889                 free_window(win);
6890                 return;
6891         }
6892
6893         /* make sure we focus on something */
6894         win->floating = 0;
6895
6896         unmanage_window(win);
6897         stack();
6898         if (focus_mode == SWM_FOCUS_DEFAULT)
6899                 drain_enter_notify();
6900         free_window(win);
6901 }
6902
6903 void
6904 enternotify(XEvent *e)
6905 {
6906         XCrossingEvent          *ev = &e->xcrossing;
6907         XEvent                  cne;
6908         struct ws_win           *win;
6909 #if 0
6910         struct ws_win           *w;
6911         Window                  focus_return;
6912         int                     revert_to_return;
6913 #endif
6914         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6915             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6916             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6917             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6918
6919         if (ev->mode != NotifyNormal) {
6920                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6921                     "cursor grab.\n");
6922                 return;
6923         }
6924
6925         switch (focus_mode) {
6926         case SWM_FOCUS_DEFAULT:
6927                 break;
6928         case SWM_FOCUS_FOLLOW:
6929                 break;
6930         case SWM_FOCUS_SYNERGY:
6931 #if 0
6932         /*
6933          * all these checks need to be in this order because the
6934          * XCheckTypedWindowEvent relies on weeding out the previous events
6935          *
6936          * making this code an option would enable a follow mouse for focus
6937          * feature
6938          */
6939
6940         /*
6941          * state is set when we are switching workspaces and focus is set when
6942          * the window or a subwindow already has focus (occurs during restart).
6943          *
6944          * Only honor the focus flag if last_focus_event is not FocusOut,
6945          * this allows spectrwm to continue to control focus when another
6946          * program is also playing with it.
6947          */
6948         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6949                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6950                 return;
6951         }
6952
6953         /*
6954          * happens when a window is created or destroyed and the border
6955          * crosses the mouse pointer and when switching ws
6956          *
6957          * we need the subwindow test to see if we came from root in order
6958          * to give focus to floaters
6959          */
6960         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6961             ev->subwindow == 0) {
6962                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6963                 return;
6964         }
6965
6966         /* this window already has focus */
6967         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6968                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6969                 return;
6970         }
6971
6972         /* this window is being deleted or moved to another ws */
6973         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6974             &cne) == True) {
6975                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6976                 XPutBackEvent(display, &cne);
6977                 return;
6978         }
6979
6980         if ((win = find_window(ev->window)) == NULL) {
6981                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6982                 return;
6983         }
6984
6985         /*
6986          * In fullstack kill all enters unless they come from a different ws
6987          * (i.e. another region) or focus has been grabbed externally.
6988          */
6989         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6990             last_focus_event != FocusOut) {
6991                 XGetInputFocus(display, &focus_return, &revert_to_return);
6992                 if ((w = find_window(focus_return)) == NULL ||
6993                     w->ws == win->ws) {
6994                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6995                         return;
6996                 }
6997         }
6998 #endif
6999                 break;
7000         }
7001
7002         if ((win = find_window(ev->window)) == NULL) {
7003                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7004                 return;
7005         }
7006
7007         /*
7008          * if we have more enternotifies let them handle it in due time
7009          */
7010         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
7011                 DNPRINTF(SWM_D_EVENT,
7012                     "ignoring enternotify: got more enternotify\n");
7013                 XPutBackEvent(display, &cne);
7014                 return;
7015         }
7016
7017         focus_magic(win);
7018 }
7019
7020 /* lets us use one switch statement for arbitrary mode/detail combinations */
7021 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7022
7023 void
7024 focusevent(XEvent *e)
7025 {
7026 #if 0
7027         struct ws_win           *win;
7028         u_int32_t               mode_detail;
7029         XFocusChangeEvent       *ev = &e->xfocus;
7030
7031         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
7032             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
7033             ev->window, ev->mode, ev->detail);
7034
7035         if (last_focus_event == ev->type) {
7036                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
7037                 return;
7038         }
7039
7040         last_focus_event = ev->type;
7041         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
7042
7043         switch (mode_detail) {
7044         /* synergy client focus operations */
7045         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
7046         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
7047
7048         /* synergy server focus operations */
7049         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
7050
7051         /* Entering applications like rdesktop that mangle the pointer */
7052         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
7053
7054                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
7055                         XSetWindowBorder(display, win->id,
7056                             win->ws->r->s->c[ev->type == FocusIn ?
7057                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
7058                 break;
7059         default:
7060                 warnx("ignoring focusevent");
7061                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
7062                 break;
7063         }
7064 #endif
7065 }
7066
7067 void
7068 mapnotify(XEvent *e)
7069 {
7070         struct ws_win           *win;
7071         XMapEvent               *ev = &e->xmap;
7072
7073         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
7074
7075         win = manage_window(ev->window);
7076         if (win)
7077                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7078
7079         /*
7080          * focus_win can only set input focus on a mapped window.
7081          * make sure the window really has focus since it is just being mapped.
7082          */
7083         if (win->ws->focus == win)
7084                 focus_win(win);
7085 }
7086
7087 void
7088 mappingnotify(XEvent *e)
7089 {
7090         XMappingEvent           *ev = &e->xmapping;
7091
7092         XRefreshKeyboardMapping(ev);
7093         if (ev->request == MappingKeyboard)
7094                 grabkeys();
7095 }
7096
7097 void
7098 maprequest(XEvent *e)
7099 {
7100         struct ws_win           *win;
7101         struct swm_region       *r;
7102         XMapRequestEvent        *ev = &e->xmaprequest;
7103         xcb_get_window_attributes_reply_t *war;
7104
7105         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
7106             e->xmaprequest.window);
7107
7108         war = xcb_get_window_attributes_reply(conn,
7109                 xcb_get_window_attributes(conn, ev->window),
7110                 NULL);
7111         if (!war)
7112                 return;
7113         if (war->override_redirect) {
7114                 free(war);
7115                 return;
7116         }
7117         free(war);
7118
7119         win = manage_window(e->xmaprequest.window);
7120         if (win == NULL) {
7121                 return; /* can't happen */
7122         }
7123
7124         stack();
7125
7126         /* make new win focused */
7127         r = root_to_region(win->wa->root);
7128         if (win->ws == r->ws)
7129                 focus_magic(win);
7130 }
7131
7132 void
7133 propertynotify(XEvent *e)
7134 {
7135         struct ws_win           *win;
7136         XPropertyEvent          *ev = &e->xproperty;
7137 #ifdef SWM_DEBUG
7138         char                            *name;
7139         size_t                          len;
7140         xcb_get_atom_name_reply_t       *r;
7141
7142         r = xcb_get_atom_name_reply(conn,
7143                 xcb_get_atom_name(conn, ev->atom),
7144                 NULL);
7145         if (r) {
7146                 len = xcb_get_atom_name_name_length(r);
7147                 if (len > 0) {
7148                         name = malloc(len + 1);
7149                         if (name) {
7150                                 memcpy(name, xcb_get_atom_name_name(r), len);
7151                                 name[len] = '\0';
7152
7153                                 DNPRINTF(SWM_D_EVENT,
7154                                         "propertynotify: window: 0x%lx, "
7155                                         "atom: %s\n",
7156                                         ev->window, name);
7157                                 free(name);
7158                         }
7159                 }
7160                 free(r);
7161         }
7162 #endif
7163
7164         win = find_window(ev->window);
7165         if (win == NULL)
7166                 return;
7167
7168         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
7169                 update_iconic(win, 0);
7170                 map_window_raised(win->id);
7171                 stack();
7172                 focus_win(win);
7173                 return;
7174         }
7175
7176         switch (ev->atom) {
7177 #if 0
7178         case XA_WM_NORMAL_HINTS:
7179                 long            mask;
7180                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
7181                 warnx("normal hints: flag 0x%x", win->sh.flags);
7182                 if (win->sh.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
7183                         WIDTH(win) = win->sh.min_width;
7184                         HEIGHT(win) = win->sh.min_height;
7185                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7186                 }
7187                 XMoveResizeWindow(display, win->id,
7188                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7189 #endif
7190         case XA_WM_CLASS:
7191         case XA_WM_NAME:
7192                 bar_update();
7193                 break;
7194         default:
7195                 break;
7196         }
7197 }
7198
7199 void
7200 unmapnotify(XEvent *e)
7201 {
7202         struct ws_win           *win;
7203
7204         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7205
7206         /* determine if we need to help unmanage this window */
7207         win = find_window(e->xunmap.window);
7208         if (win == NULL)
7209                 return;
7210
7211         if (getstate(e->xunmap.window) == XCB_ICCCM_WM_STATE_NORMAL) {
7212                 unmanage_window(win);
7213                 stack();
7214
7215                 /* giant hack for apps that don't destroy transient windows */
7216                 /* eat a bunch of events to prevent remanaging the window */
7217                 XEvent                  cne;
7218                 while (XCheckWindowEvent(display, e->xunmap.window,
7219                     EnterWindowMask, &cne))
7220                         ;
7221                 while (XCheckWindowEvent(display, e->xunmap.window,
7222                     StructureNotifyMask, &cne))
7223                         ;
7224                 while (XCheckWindowEvent(display, e->xunmap.window,
7225                     SubstructureNotifyMask, &cne))
7226                         ;
7227                 /* resend unmap because we ated it */
7228                 XUnmapWindow(display, e->xunmap.window);
7229         }
7230
7231         if (focus_mode == SWM_FOCUS_DEFAULT)
7232                 drain_enter_notify();
7233 }
7234
7235 void
7236 visibilitynotify(XEvent *e)
7237 {
7238         int                     i, num_screens;
7239         struct swm_region       *r;
7240
7241         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7242             e->xvisibility.window);
7243
7244         if (e->xvisibility.state == VisibilityUnobscured) {
7245                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7246                 for (i = 0; i < num_screens; i++)
7247                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7248                                 if (e->xvisibility.window == WINID(r->bar))
7249                                         bar_update();
7250         }
7251 }
7252
7253 void
7254 clientmessage(XEvent *e)
7255 {
7256         XClientMessageEvent     *ev;
7257         struct ws_win           *win;
7258
7259         ev = &e->xclient;
7260
7261         win = find_window(ev->window);
7262         if (win == NULL) {
7263                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7264                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7265                             "unmanaged window.\n");
7266                         e->xmaprequest.window = ev->window;
7267                         maprequest(e);
7268                 }
7269                 return;
7270         }
7271
7272         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7273             ev->window, ev->message_type);
7274
7275         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7276                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7277                 focus_win(win);
7278         }
7279         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7280                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7281                 if (win->can_delete)
7282                         client_msg(win, adelete);
7283                 else
7284                         xcb_kill_client(conn, win->id);
7285         }
7286         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7287                 DNPRINTF(SWM_D_EVENT,
7288                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7289                 if (win->floating) {
7290                         if (ev->data.l[0] & (1<<8)) /* x */
7291                                 X(win) = ev->data.l[1];
7292                         if (ev->data.l[0] & (1<<9)) /* y */
7293                                 Y(win) = ev->data.l[2];
7294                         if (ev->data.l[0] & (1<<10)) /* width */
7295                                 WIDTH(win) = ev->data.l[3];
7296                         if (ev->data.l[0] & (1<<11)) /* height */
7297                                 HEIGHT(win) = ev->data.l[4];
7298
7299                         update_window(win);
7300                 }
7301                 else {
7302                         /* TODO: Change stack sizes */
7303                         /* notify no change was made. */
7304                         config_win(win, NULL);
7305                 }
7306         }
7307         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7308                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7309                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7310                 if (ev->data.l[2])
7311                         ewmh_update_win_state(win, ev->data.l[2],
7312                             ev->data.l[0]);
7313
7314                 stack();
7315         }
7316 }
7317
7318 int
7319 xerror_start(Display *d, XErrorEvent *ee)
7320 {
7321         other_wm = 1;
7322         return (-1);
7323 }
7324
7325 int
7326 xerror(Display *d, XErrorEvent *ee)
7327 {
7328         /* warnx("error: %p %p", display, ee); */
7329         return (-1);
7330 }
7331
7332 int
7333 active_wm(void)
7334 {
7335         other_wm = 0;
7336         xerrorxlib = XSetErrorHandler(xerror_start);
7337
7338         /* this causes an error if some other window manager is running */
7339         XSelectInput(display, DefaultRootWindow(display),
7340             SubstructureRedirectMask);
7341         do_sync();
7342         if (other_wm)
7343                 return (1);
7344
7345         XSetErrorHandler(xerror);
7346         do_sync();
7347         return (0);
7348 }
7349
7350 void
7351 new_region(struct swm_screen *s, int x, int y, int w, int h)
7352 {
7353         struct swm_region       *r, *n;
7354         struct workspace        *ws = NULL;
7355         int                     i;
7356
7357         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7358              s->idx, w, h, x, y);
7359
7360         /* remove any conflicting regions */
7361         n = TAILQ_FIRST(&s->rl);
7362         while (n) {
7363                 r = n;
7364                 n = TAILQ_NEXT(r, entry);
7365                 if (X(r) < (x + w) &&
7366                     (X(r) + WIDTH(r)) > x &&
7367                     Y(r) < (y + h) &&
7368                     (Y(r) + HEIGHT(r)) > y) {
7369                         if (r->ws->r != NULL)
7370                                 r->ws->old_r = r->ws->r;
7371                         r->ws->r = NULL;
7372                         bar_cleanup(r);
7373                         TAILQ_REMOVE(&s->rl, r, entry);
7374                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7375                 }
7376         }
7377
7378         /* search old regions for one to reuse */
7379
7380         /* size + location match */
7381         TAILQ_FOREACH(r, &s->orl, entry)
7382                 if (X(r) == x && Y(r) == y &&
7383                     HEIGHT(r) == h && WIDTH(r) == w)
7384                         break;
7385
7386         /* size match */
7387         TAILQ_FOREACH(r, &s->orl, entry)
7388                 if (HEIGHT(r) == h && WIDTH(r) == w)
7389                         break;
7390
7391         if (r != NULL) {
7392                 TAILQ_REMOVE(&s->orl, r, entry);
7393                 /* try to use old region's workspace */
7394                 if (r->ws->r == NULL)
7395                         ws = r->ws;
7396         } else
7397                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7398                         err(1, "new_region: calloc: failed to allocate memory "
7399                             "for screen");
7400
7401         /* if we don't have a workspace already, find one */
7402         if (ws == NULL) {
7403                 for (i = 0; i < workspace_limit; i++)
7404                         if (s->ws[i].r == NULL) {
7405                                 ws = &s->ws[i];
7406                                 break;
7407                         }
7408         }
7409
7410         if (ws == NULL)
7411                 errx(1, "new_region: no free workspaces");
7412
7413         X(r) = x;
7414         Y(r) = y;
7415         WIDTH(r) = w;
7416         HEIGHT(r) = h;
7417         r->s = s;
7418         r->ws = ws;
7419         r->ws_prior = NULL;
7420         ws->r = r;
7421         outputs++;
7422         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7423 }
7424
7425 void
7426 scan_xrandr(int i)
7427 {
7428 #ifdef SWM_XRR_HAS_CRTC
7429         int                                             c;
7430         int                                             ncrtc = 0;
7431 #endif /* SWM_XRR_HAS_CRTC */
7432         struct swm_region                               *r;
7433         int                                             num_screens;
7434         xcb_randr_get_screen_resources_current_cookie_t src;
7435         xcb_randr_get_screen_resources_current_reply_t  *srr;
7436         xcb_randr_get_crtc_info_cookie_t                cic;
7437         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7438         xcb_randr_crtc_t                                *crtc;
7439         xcb_screen_t                                    *screen = get_screen(i);
7440
7441         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7442         if (i >= num_screens)
7443                 errx(1, "scan_xrandr: invalid screen");
7444
7445         /* remove any old regions */
7446         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7447                 r->ws->old_r = r->ws->r = NULL;
7448                 bar_cleanup(r);
7449                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7450                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7451         }
7452         outputs = 0;
7453
7454         /* map virtual screens onto physical screens */
7455 #ifdef SWM_XRR_HAS_CRTC
7456         if (xrandr_support) {
7457                 src = xcb_randr_get_screen_resources_current(conn,
7458                         screens[i].root);
7459                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7460                         NULL);
7461                 if (srr == NULL) {
7462                         new_region(&screens[i], 0, 0,
7463                             screen->width_in_pixels,
7464                             screen->height_in_pixels);
7465                         return;
7466                 } else
7467                         ncrtc = srr->num_crtcs;
7468                 for (c = 0; c < ncrtc; c++) {
7469                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7470                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7471                                 XCB_CURRENT_TIME);
7472                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7473                         if (cir == NULL)
7474                                 continue;
7475                         if (cir->num_outputs == 0) {
7476                                 free(cir);
7477                                 continue;
7478                         }
7479
7480                         if (cir->mode == 0)
7481                                 new_region(&screens[i], 0, 0,
7482                                     screen->width_in_pixels,
7483                                     screen->height_in_pixels);
7484                         else
7485                                 new_region(&screens[i],
7486                                     cir->x, cir->y, cir->width, cir->height);
7487                         free(cir);
7488                 }
7489                 free(srr);
7490         } else
7491 #endif /* SWM_XRR_HAS_CRTC */
7492         {
7493                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7494                     screen->height_in_pixels);
7495         }
7496 }
7497
7498 void
7499 screenchange(XEvent *e)
7500 {
7501         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7502         struct swm_region               *r;
7503         int                             i, num_screens;
7504
7505         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7506
7507         if (!XRRUpdateConfiguration(e))
7508                 return;
7509
7510         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7511         /* silly event doesn't include the screen index */
7512         for (i = 0; i < num_screens; i++)
7513                 if (screens[i].root == xe->root)
7514                         break;
7515         if (i >= num_screens)
7516                 errx(1, "screenchange: screen not found");
7517
7518         /* brute force for now, just re-enumerate the regions */
7519         scan_xrandr(i);
7520
7521         /* add bars to all regions */
7522         for (i = 0; i < num_screens; i++)
7523                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7524                         bar_setup(r);
7525         stack();
7526         if (focus_mode == SWM_FOCUS_DEFAULT)
7527                 drain_enter_notify();
7528 }
7529
7530 void
7531 grab_windows(void)
7532 {
7533         xcb_window_t            *wins   = NULL;
7534         int                     no;
7535         int                     i, j, num_screens;
7536         uint16_t                state, manage;
7537
7538         xcb_query_tree_cookie_t                 qtc;
7539         xcb_query_tree_reply_t                  *qtr;
7540         xcb_get_window_attributes_cookie_t      c;
7541         xcb_get_window_attributes_reply_t       *r;
7542         xcb_get_property_cookie_t               pc;
7543
7544         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7545         for (i = 0; i < num_screens; i++) {
7546                 qtc = xcb_query_tree(conn, screens[i].root);
7547                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7548                 if (!qtr)
7549                         continue;
7550                 wins = xcb_query_tree_children(qtr);
7551                 no = xcb_query_tree_children_length(qtr);
7552                 /* attach windows to a region */
7553                 /* normal windows */
7554                 for (j = 0; j < no; j++) {
7555                         c = xcb_get_window_attributes(conn, wins[j]);
7556                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7557                         if (!r)
7558                                 continue;
7559                         if (r->override_redirect) {
7560                                 free(r);
7561                                 continue;
7562                         }
7563
7564                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7565                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7566                                         NULL)) {
7567                                 free(r);
7568                                 continue;
7569                         }
7570
7571                         state = getstate(wins[j]);
7572                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7573                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7574                                 manage_window(wins[j]);
7575                         free(r);
7576                 }
7577                 /* transient windows */
7578                 for (j = 0; j < no; j++) {
7579                         c = xcb_get_window_attributes(conn, wins[j]);
7580                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7581                         if (!r)
7582                                 continue;
7583                         if (r->override_redirect) {
7584                                 free(r);
7585                                 continue;
7586                         }
7587                         free(r);
7588
7589                         state = getstate(wins[j]);
7590                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7591                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7592                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7593                                         NULL) && manage)
7594                                 manage_window(wins[j]);
7595                 }
7596                 free(qtr);
7597         }
7598 }
7599
7600 void
7601 setup_screens(void)
7602 {
7603         int                     i, j, k, num_screens;
7604         struct workspace        *ws;
7605         uint32_t                gcv[1], wa[1];
7606         const xcb_query_extension_reply_t *qep;
7607         xcb_cursor_t                            cursor;
7608         xcb_font_t                              cursor_font;
7609         xcb_randr_query_version_cookie_t        c;
7610         xcb_randr_query_version_reply_t         *r;
7611
7612         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7613         if ((screens = calloc(num_screens,
7614              sizeof(struct swm_screen))) == NULL)
7615                 err(1, "setup_screens: calloc: failed to allocate memory for "
7616                     "screens");
7617
7618         /* initial Xrandr setup */
7619         xrandr_support = False;
7620         c = xcb_randr_query_version(conn, True, True);
7621         r = xcb_randr_query_version_reply(conn, c, NULL);
7622         if (r) {
7623                 if (r->major_version >= 1)
7624                         xrandr_support = True;
7625                 free(r);
7626         }
7627         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7628         xrandr_eventbase = qep->first_event;
7629
7630         cursor_font = xcb_generate_id(conn);
7631         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7632
7633         cursor = xcb_generate_id(conn);
7634         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7635                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7636         wa[0] = cursor;
7637
7638         /* map physical screens */
7639         for (i = 0; i < num_screens; i++) {
7640                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7641                 screens[i].idx = i;
7642                 TAILQ_INIT(&screens[i].rl);
7643                 TAILQ_INIT(&screens[i].orl);
7644                 screens[i].root = RootWindow(display, i);
7645
7646                 /* set default colors */
7647                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7648                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7649                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7650                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7651                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7652
7653                 /* create graphics context on screen */
7654                 screens[i].bar_gc = xcb_generate_id(conn);
7655                 gcv[0] = 0;
7656                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7657                         XCB_GC_GRAPHICS_EXPOSURES, gcv);
7658
7659                 /* set default cursor */
7660                 xcb_change_window_attributes(conn, screens[i].root,
7661                         XCB_CW_CURSOR, wa);
7662
7663                 /* init all workspaces */
7664                 /* XXX these should be dynamically allocated too */
7665                 for (j = 0; j < SWM_WS_MAX; j++) {
7666                         ws = &screens[i].ws[j];
7667                         ws->idx = j;
7668                         ws->name = NULL;
7669                         ws->focus = NULL;
7670                         ws->r = NULL;
7671                         ws->old_r = NULL;
7672                         TAILQ_INIT(&ws->winlist);
7673                         TAILQ_INIT(&ws->unmanagedlist);
7674
7675                         for (k = 0; layouts[k].l_stack != NULL; k++)
7676                                 if (layouts[k].l_config != NULL)
7677                                         layouts[k].l_config(ws,
7678                                             SWM_ARG_ID_STACKINIT);
7679                         ws->cur_layout = &layouts[0];
7680                         ws->cur_layout->l_string(ws);
7681                 }
7682
7683                 scan_xrandr(i);
7684
7685                 if (xrandr_support)
7686                         xcb_randr_select_input(conn, screens[i].root,
7687                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7688         }
7689         xcb_free_cursor(conn, cursor);
7690         xcb_close_font(conn, cursor_font);
7691 }
7692
7693 void
7694 setup_globals(void)
7695 {
7696         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7697                 err(1, "setup_globals: strdup: failed to allocate memory.");
7698
7699         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7700                 err(1, "setup_globals: strdup: failed to allocate memory.");
7701 }
7702
7703 void
7704 workaround(void)
7705 {
7706         int                     i, num_screens;
7707         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7708         xcb_window_t            root, win;
7709         xcb_screen_t            *screen;
7710         uint32_t                wa[2];
7711
7712         /* work around sun jdk bugs, code from wmname */
7713         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7714         netwmname = get_atom_from_string("_NET_WM_NAME");
7715         utf8_string = get_atom_from_string("UTF8_STRING");
7716
7717         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7718         for (i = 0; i < num_screens; i++) {
7719                 root = screens[i].root;
7720                 screen = get_screen(i);
7721
7722                 win = xcb_generate_id(conn);
7723                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7724                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7725                 xcb_create_window(conn, screen->root_depth, win, 0,
7726                         0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
7727                         screen->root_visual,
7728                         XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7729
7730                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7731                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7732                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7733                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7734                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7735                         netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7736         }
7737 }
7738
7739 int
7740 main(int argc, char *argv[])
7741 {
7742         struct swm_region       *r, *rr;
7743         struct ws_win           *winfocus = NULL;
7744         struct timeval          tv;
7745         union arg               a;
7746         char                    conf[PATH_MAX], *cfile = NULL;
7747         struct stat             sb;
7748         XEvent                  e;
7749         int                     xfd, i, num_screens;
7750         fd_set                  rd;
7751         struct sigaction        sact;
7752
7753         start_argv = argv;
7754         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7755         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7756             !XSupportsLocale())
7757                 warnx("no locale support");
7758
7759         if (!X_HAVE_UTF8_STRING)
7760                 warnx("no UTF-8 support");
7761
7762         if (!(display = XOpenDisplay(0)))
7763                 errx(1, "can not open display");
7764
7765         if (!(conn = XGetXCBConnection(display)))
7766                 errx(1, "can not get XCB connection");
7767
7768         if (active_wm())
7769                 errx(1, "other wm running");
7770
7771         /* handle some signals */
7772         bzero(&sact, sizeof(sact));
7773         sigemptyset(&sact.sa_mask);
7774         sact.sa_flags = 0;
7775         sact.sa_handler = sighdlr;
7776         sigaction(SIGINT, &sact, NULL);
7777         sigaction(SIGQUIT, &sact, NULL);
7778         sigaction(SIGTERM, &sact, NULL);
7779         sigaction(SIGHUP, &sact, NULL);
7780
7781         sact.sa_handler = sighdlr;
7782         sact.sa_flags = SA_NOCLDSTOP;
7783         sigaction(SIGCHLD, &sact, NULL);
7784
7785         astate = get_atom_from_string("WM_STATE");
7786         aprot = get_atom_from_string("WM_PROTOCOLS");
7787         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7788         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7789         a_wmname = get_atom_from_string("WM_NAME");
7790         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7791         a_utf8_string = get_atom_from_string("UTF8_STRING");
7792         a_string = get_atom_from_string("STRING");
7793         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7794
7795         /* look for local and global conf file */
7796         pwd = getpwuid(getuid());
7797         if (pwd == NULL)
7798                 errx(1, "invalid user: %d", getuid());
7799
7800         setup_globals();
7801         setup_screens();
7802         setup_keys();
7803         setup_quirks();
7804         setup_spawn();
7805
7806         /* load config */
7807         for (i = 0; ; i++) {
7808                 conf[0] = '\0';
7809                 switch (i) {
7810                 case 0:
7811                         /* ~ */
7812                         snprintf(conf, sizeof conf, "%s/.%s",
7813                             pwd->pw_dir, SWM_CONF_FILE);
7814                         break;
7815                 case 1:
7816                         /* global */
7817                         snprintf(conf, sizeof conf, "/etc/%s",
7818                             SWM_CONF_FILE);
7819                         break;
7820                 case 2:
7821                         /* ~ compat */
7822                         snprintf(conf, sizeof conf, "%s/.%s",
7823                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7824                         break;
7825                 case 3:
7826                         /* global compat */
7827                         snprintf(conf, sizeof conf, "/etc/%s",
7828                             SWM_CONF_FILE_OLD);
7829                         break;
7830                 default:
7831                         goto noconfig;
7832                 }
7833
7834                 if (strlen(conf) && stat(conf, &sb) != -1)
7835                         if (S_ISREG(sb.st_mode)) {
7836                                 cfile = conf;
7837                                 break;
7838                         }
7839         }
7840 noconfig:
7841
7842         /* load conf (if any) */
7843         if (cfile)
7844                 conf_load(cfile, SWM_CONF_DEFAULT);
7845
7846         setup_ewmh();
7847         /* set some values to work around bad programs */
7848         workaround();
7849         /* grab existing windows (before we build the bars) */
7850         grab_windows();
7851
7852         if (getenv("SWM_STARTED") == NULL)
7853                 setenv("SWM_STARTED", "YES", 1);
7854
7855         /* setup all bars */
7856         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7857         for (i = 0; i < num_screens; i++)
7858                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7859                         if (winfocus == NULL)
7860                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7861                         bar_setup(r);
7862                 }
7863
7864         unfocus_all();
7865
7866         grabkeys();
7867         stack();
7868         if (focus_mode == SWM_FOCUS_DEFAULT)
7869                 drain_enter_notify();
7870
7871         xfd = xcb_get_file_descriptor(conn);
7872         while (running) {
7873                 while (XPending(display)) {
7874                         XNextEvent(display, &e);
7875                         if (running == 0)
7876                                 goto done;
7877                         if (e.type < LASTEvent) {
7878                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7879                                     "window: 0x%lx, type: %s (%d), %d remaining"
7880                                     "\n", YESNO(handler[e.type]),
7881                                     e.xany.window, geteventname(&e),
7882                                     e.type, QLength(display));
7883
7884                                 if (handler[e.type])
7885                                         handler[e.type](&e);
7886                         } else {
7887                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7888                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7889                                     xrandr_geteventname(&e), e.type);
7890
7891                                 switch (e.type - xrandr_eventbase) {
7892                                 case XCB_RANDR_SCREEN_CHANGE_NOTIFY:
7893                                         screenchange(&e);
7894                                         break;
7895                                 default:
7896                                         break;
7897                                 }
7898                         }
7899                 }
7900
7901                 /* if we are being restarted go focus on first window */
7902                 if (winfocus) {
7903                         rr = winfocus->ws->r;
7904                         if (rr == NULL) {
7905                                 /* not a visible window */
7906                                 winfocus = NULL;
7907                                 continue;
7908                         }
7909                         /* move pointer to first screen if multi screen */
7910                         if (num_screens > 1 || outputs > 1)
7911                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7912                                         rr->s[0].root, 0, 0, 0, 0, X(rr),
7913                                         Y(rr) + (bar_enabled ? bar_height : 0));
7914
7915                         a.id = SWM_ARG_ID_FOCUSCUR;
7916                         focus(rr, &a);
7917                         winfocus = NULL;
7918                         continue;
7919                 }
7920
7921                 FD_ZERO(&rd);
7922                 FD_SET(xfd, &rd);
7923                 tv.tv_sec = 1;
7924                 tv.tv_usec = 0;
7925                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7926                         if (errno != EINTR)
7927                                 DNPRINTF(SWM_D_MISC, "select failed");
7928                 if (restart_wm == 1)
7929                         restart(NULL, NULL);
7930                 if (search_resp == 1)
7931                         search_do_resp();
7932                 if (running == 0)
7933                         goto done;
7934                 if (bar_alarm) {
7935                         bar_alarm = 0;
7936                         bar_update();
7937                 }
7938         }
7939 done:
7940         teardown_ewmh();
7941         bar_extra_stop();
7942
7943         for (i = 0; i < num_screens; ++i)
7944                 if (screens[i].bar_gc != 0)
7945                         xcb_free_gc(conn, screens[i].bar_gc);
7946         XFreeFontSet(display, bar_fs);
7947         xcb_disconnect(conn);
7948         XCloseDisplay(display);
7949
7950         return (0);
7951 }