spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <paths.h>
  70 #include <ctype.h>
  71
  72 #include <sys/types.h>
  73 #include <sys/time.h>
  74 #include <sys/stat.h>
  75 #include <sys/wait.h>
  76 #include <sys/queue.h>
  77 #include <sys/param.h>
  78 #include <sys/select.h>
  79 #if defined(__linux__)
  80 #include "tree.h"
  81 #elif defined(__OpenBSD__)
  82 #include <sys/tree.h>
  83 #elif defined(__FreeBSD__)
  84 #include <sys/tree.h>
  85 #else
  86 #include "tree.h"
  87 #endif
  88
  89 #include <X11/cursorfont.h>
  90 #include <X11/keysym.h>
  91 #include <X11/XKBlib.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/Xlib-xcb.h>
  94 #include <xcb/randr.h>
  95 #include <xcb/xcb_icccm.h>
  96 #include <xcb/xcb_keysyms.h>
  97 #include <X11/Xproto.h>
  98 #include <X11/Xutil.h>
  99 #include <X11/extensions/Xrandr.h>
 100 #include <X11/extensions/XTest.h>
 101
 102 #ifdef __OSX__
 103 #include <osx.h>
 104 #endif
 105
 106 #include "version.h"
 107
 108 #ifdef SPECTRWM_BUILDSTR
 109 static const char       *buildstr = SPECTRWM_BUILDSTR;
 110 #else
 111 static const char       *buildstr = SPECTRWM_VERSION;
 112 #endif
 113
 114 #if RANDR_MAJOR < 1
 115 #  error XRandR versions less than 1.0 are not supported
 116 #endif
 117
 118 #if RANDR_MAJOR >= 1
 119 #if RANDR_MINOR >= 2
 120 #define SWM_XRR_HAS_CRTC
 121 #endif
 122 #endif
 123
 124 #if defined(__OpenBSD__)
 125 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 126 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 127 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 128 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 129 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 130 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 131 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 132 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 133 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 134 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 135 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 136 #endif
 137
 138 /*#define SWM_DEBUG*/
 139 #ifdef SWM_DEBUG
 140 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 141 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 142 #define SWM_D_MISC              0x0001
 143 #define SWM_D_EVENT             0x0002
 144 #define SWM_D_WS                0x0004
 145 #define SWM_D_FOCUS             0x0008
 146 #define SWM_D_MOVE              0x0010
 147 #define SWM_D_STACK             0x0020
 148 #define SWM_D_MOUSE             0x0040
 149 #define SWM_D_PROP              0x0080
 150 #define SWM_D_CLASS             0x0100
 151 #define SWM_D_KEY               0x0200
 152 #define SWM_D_QUIRK             0x0400
 153 #define SWM_D_SPAWN             0x0800
 154 #define SWM_D_EVENTQ            0x1000
 155 #define SWM_D_CONF              0x2000
 156 #define SWM_D_BAR               0x4000
 157
 158 u_int32_t               swm_debug = 0
 159                             | SWM_D_MISC
 160                             | SWM_D_EVENT
 161                             | SWM_D_WS
 162                             | SWM_D_FOCUS
 163                             | SWM_D_MOVE
 164                             | SWM_D_STACK
 165                             | SWM_D_MOUSE
 166                             | SWM_D_PROP
 167                             | SWM_D_CLASS
 168                             | SWM_D_KEY
 169                             | SWM_D_QUIRK
 170                             | SWM_D_SPAWN
 171                             | SWM_D_EVENTQ
 172                             | SWM_D_CONF
 173                             | SWM_D_BAR
 174                             ;
 175 #else
 176 #define DPRINTF(x...)
 177 #define DNPRINTF(n,x...)
 178 #endif
 179
 180 #define LENGTH(x)               (sizeof x / sizeof x[0])
 181 #define MODKEY                  Mod1Mask
 182 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 183 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 184 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 185 #define SWM_PROPLEN             (16)
 186 #define SWM_FUNCNAME_LEN        (32)
 187 #define SWM_KEYS_LEN            (255)
 188 #define SWM_QUIRK_LEN           (64)
 189 #define X(r)                    (r)->g.x
 190 #define Y(r)                    (r)->g.y
 191 #define WIDTH(r)                (r)->g.w
 192 #define HEIGHT(r)               (r)->g.h
 193 #define BORDER(w)               (w->bordered ? border_width : 0)
 194 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 195 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 196 #define SH_MIN(w)               (w)->sh_mask & PMinSize
 197 #define SH_MIN_W(w)             (w)->sh.min_width
 198 #define SH_MIN_H(w)             (w)->sh.min_height
 199 #define SH_MAX(w)               (w)->sh_mask & PMaxSize
 200 #define SH_MAX_W(w)             (w)->sh.max_width
 201 #define SH_MAX_H(w)             (w)->sh.max_height
 202 #define SH_INC(w)               (w)->sh_mask & PResizeInc
 203 #define SH_INC_W(w)             (w)->sh.width_inc
 204 #define SH_INC_H(w)             (w)->sh.height_inc
 205 #define SWM_MAX_FONT_STEPS      (3)
 206 #define WINID(w)                ((w) ? (w)->id : 0)
 207 #define YESNO(x)                ((x) ? "yes" : "no")
 208
 209 #define SWM_FOCUS_DEFAULT       (0)
 210 #define SWM_FOCUS_SYNERGY       (1)
 211 #define SWM_FOCUS_FOLLOW        (2)
 212
 213 #define SWM_CONF_DEFAULT        (0)
 214 #define SWM_CONF_KEYMAPPING     (1)
 215
 216 #ifndef SWM_LIB
 217 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 218 #endif
 219
 220 char                    **start_argv;
 221 xcb_atom_t              astate;
 222 xcb_atom_t              aprot;
 223 xcb_atom_t              adelete;
 224 xcb_atom_t              takefocus;
 225 xcb_atom_t              a_wmname;
 226 xcb_atom_t              a_netwmname;
 227 xcb_atom_t              a_utf8_string;
 228 xcb_atom_t              a_string;
 229 xcb_atom_t              a_swm_iconic;
 230 volatile sig_atomic_t   running = 1;
 231 volatile sig_atomic_t   restart_wm = 0;
 232 int                     outputs = 0;
 233 int                     last_focus_event = FocusOut;
 234 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 235 int                     other_wm;
 236 int                     ss_enabled = 0;
 237 int                     xrandr_support;
 238 int                     xrandr_eventbase;
 239 unsigned int            numlockmask = 0;
 240 Display                 *display;
 241 xcb_connection_t        *conn;
 242
 243 int                     cycle_empty = 0;
 244 int                     cycle_visible = 0;
 245 int                     term_width = 0;
 246 int                     font_adjusted = 0;
 247 unsigned int            mod_key = MODKEY;
 248
 249 /* dmenu search */
 250 struct swm_region       *search_r;
 251 int                     select_list_pipe[2];
 252 int                     select_resp_pipe[2];
 253 pid_t                   searchpid;
 254 volatile sig_atomic_t   search_resp;
 255 int                     search_resp_action;
 256
 257 struct search_window {
 258         TAILQ_ENTRY(search_window)      entry;
 259         int                             idx;
 260         struct ws_win                   *win;
 261         xcb_gcontext_t                  gc;
 262         xcb_window_t                    indicator;
 263 };
 264 TAILQ_HEAD(search_winlist, search_window);
 265 struct search_winlist                   search_wl;
 266
 267 /* search actions */
 268 enum {
 269         SWM_SEARCH_NONE,
 270         SWM_SEARCH_UNICONIFY,
 271         SWM_SEARCH_NAME_WORKSPACE,
 272         SWM_SEARCH_SEARCH_WORKSPACE,
 273         SWM_SEARCH_SEARCH_WINDOW
 274 };
 275
 276 #define SWM_STACK_TOP           (0)
 277 #define SWM_STACK_BOTTOM        (1)
 278 #define SWM_STACK_ABOVE         (2)
 279 #define SWM_STACK_BELOW         (3)
 280
 281 /* dialog windows */
 282 double                  dialog_ratio = 0.6;
 283 /* status bar */
 284 #define SWM_BAR_MAX             (256)
 285 #define SWM_BAR_JUSTIFY_LEFT    (0)
 286 #define SWM_BAR_JUSTIFY_CENTER  (1)
 287 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 288 #define SWM_BAR_OFFSET          (4)
 289 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 290                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 291                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 292                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 293                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 294
 295 char                    *bar_argv[] = { NULL, NULL };
 296 int                     bar_pipe[2];
 297 unsigned char           bar_ext[SWM_BAR_MAX];
 298 char                    bar_vertext[SWM_BAR_MAX];
 299 int                     bar_version = 0;
 300 sig_atomic_t            bar_alarm = 0;
 301 int                     bar_delay = 30;
 302 int                     bar_enabled = 1;
 303 int                     bar_border_width = 1;
 304 int                     bar_at_bottom = 0;
 305 int                     bar_extra = 1;
 306 int                     bar_extra_running = 0;
 307 int                     bar_verbose = 1;
 308 int                     bar_height = 0;
 309 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 310 char                    *bar_format = NULL;
 311 int                     stack_enabled = 1;
 312 int                     clock_enabled = 1;
 313 int                     urgent_enabled = 0;
 314 char                    *clock_format = NULL;
 315 int                     title_name_enabled = 0;
 316 int                     title_class_enabled = 0;
 317 int                     window_name_enabled = 0;
 318 int                     focus_mode = SWM_FOCUS_DEFAULT;
 319 int                     focus_close = SWM_STACK_BELOW;
 320 int                     focus_close_wrap = 1;
 321 int                     focus_default = SWM_STACK_TOP;
 322 int                     spawn_position = SWM_STACK_TOP;
 323 int                     disable_border = 0;
 324 int                     border_width = 1;
 325 int                     verbose_layout = 0;
 326 pid_t                   bar_pid;
 327 XFontSet                bar_fs;
 328 XFontSetExtents         *bar_fs_extents;
 329 char                    *bar_fonts;
 330 struct passwd           *pwd;
 331
 332 #define SWM_MENU_FN     (2)
 333 #define SWM_MENU_NB     (4)
 334 #define SWM_MENU_NF     (6)
 335 #define SWM_MENU_SB     (8)
 336 #define SWM_MENU_SF     (10)
 337
 338 /* layout manager data */
 339 struct swm_geometry {
 340         int                     x;
 341         int                     y;
 342         int                     w;
 343         int                     h;
 344 };
 345
 346 struct swm_screen;
 347 struct workspace;
 348
 349 struct swm_bar {
 350         xcb_window_t            id;
 351         xcb_pixmap_t            buffer;
 352         struct swm_geometry     g;
 353 };
 354
 355 /* virtual "screens" */
 356 struct swm_region {
 357         TAILQ_ENTRY(swm_region) entry;
 358         struct swm_geometry     g;
 359         struct workspace        *ws;    /* current workspace on this region */
 360         struct workspace        *ws_prior; /* prior workspace on this region */
 361         struct swm_screen       *s;     /* screen idx */
 362         struct swm_bar          *bar;
 363 };
 364 TAILQ_HEAD(swm_region_list, swm_region);
 365
 366 struct ws_win {
 367         TAILQ_ENTRY(ws_win)     entry;
 368         xcb_window_t            id;
 369         xcb_window_t            transient;
 370         struct ws_win           *child_trans;   /* transient child window */
 371         struct swm_geometry     g;              /* current geometry */
 372         struct swm_geometry     g_float;        /* region coordinates */
 373         int                     g_floatvalid;   /* g_float geometry validity */
 374         int                     floatmaxed;     /* whether maxed by max_stack */
 375         int                     floating;
 376         int                     manual;
 377         int                     iconic;
 378         int                     bordered;
 379         unsigned int            ewmh_flags;
 380         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 381         int                     font_steps;
 382         int                     last_inc;
 383         int                     can_delete;
 384         int                     take_focus;
 385         int                     java;
 386         unsigned long           quirks;
 387         struct workspace        *ws;    /* always valid */
 388         struct swm_screen       *s;     /* always valid, never changes */
 389         XWindowAttributes       wa;
 390         XSizeHints              sh;
 391         long                    sh_mask;
 392         XClassHint              ch;
 393         XWMHints                *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
 642 xcb_screen_t *
 643 get_screen(int screen)
 644 {
 645         xcb_screen_iterator_t i;
 646
 647         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 648         for (; i.rem; --screen, xcb_screen_next(&i))
 649                 if (screen == 0)
 650                         return (i.data);
 651
 652         return (NULL);
 653 }
 654
 655 void
 656 do_sync(void)
 657 {
 658         xcb_get_input_focus_cookie_t    c;
 659         xcb_get_input_focus_reply_t     *r;
 660
 661         /* mimic XSync() */
 662         c = xcb_get_input_focus(conn);
 663         xcb_flush(conn);
 664         r = xcb_get_input_focus_reply(conn, c, NULL);
 665         if (r)
 666                 free(r);
 667 }
 668
 669 void
 670 map_window_raised(xcb_window_t win)
 671 {
 672         uint32_t        val = XCB_STACK_MODE_ABOVE;
 673
 674         xcb_configure_window(conn, win,
 675                 XCB_CONFIG_WINDOW_STACK_MODE, &val);
 676
 677         xcb_map_window(conn, win);
 678         xcb_flush(conn);
 679 }
 680
 681 xcb_atom_t
 682 get_atom_from_string(const char *str)
 683 {
 684         xcb_intern_atom_cookie_t        c;
 685         xcb_intern_atom_reply_t         *r;
 686         xcb_atom_t                      atom;
 687
 688         c = xcb_intern_atom(conn, False, strlen(str), str);
 689         r = xcb_intern_atom_reply(conn, c, NULL);
 690         if (r) {
 691                 atom = r->atom;
 692                 free(r);
 693
 694                 return (atom);
 695         }
 696
 697         return (XCB_ATOM_NONE);
 698 }
 699
 700 void
 701 update_iconic(struct ws_win *win, int newv)
 702 {
 703         int32_t                         v = newv;
 704         xcb_atom_t                      iprop;
 705
 706         win->iconic = newv;
 707
 708         iprop = get_atom_from_string("_SWM_ICONIC");
 709         if (iprop == XCB_ATOM_NONE)
 710                 return;
 711
 712         if (newv)
 713                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 714                         iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 715         else
 716                 xcb_delete_property(conn, win->id, iprop);
 717 }
 718
 719 int
 720 get_iconic(struct ws_win *win)
 721 {
 722         int32_t v = 0, *vtmp;
 723         xcb_atom_t                      iprop;
 724         xcb_get_property_cookie_t       pc;
 725         xcb_get_property_reply_t        *pr = NULL;
 726
 727         iprop = get_atom_from_string("_SWM_ICONIC");
 728         if (iprop == XCB_ATOM_NONE)
 729                 goto out;
 730
 731         pc = xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 732                         0, 1);
 733         pr = xcb_get_property_reply(conn, pc, NULL);
 734         if (!pr)
 735                 goto out;
 736         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 737                 goto out;
 738         vtmp = xcb_get_property_value(pr);
 739         v = *vtmp;
 740 out:
 741         if (pr != NULL)
 742                 free(pr);
 743         return (v);
 744 }
 745
 746 void
 747 setup_ewmh(void)
 748 {
 749         xcb_atom_t                      sup_list;
 750         int                             i, j, num_screens;
 751
 752         sup_list = get_atom_from_string("_NET_SUPPORTED");
 753
 754         for (i = 0; i < LENGTH(ewmh); i++)
 755                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 756
 757         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 758         for (i = 0; i < num_screens; i++) {
 759                 /* Support check window will be created by workaround(). */
 760
 761                 /* Report supported atoms */
 762                 xcb_delete_property(conn, screens[i].root, sup_list);
 763                 for (j = 0; j < LENGTH(ewmh); j++)
 764                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 765                                 screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 766                                 &ewmh[j].atom);
 767         }
 768 }
 769
 770 void
 771 teardown_ewmh(void)
 772 {
 773         int                             i, num_screens;
 774         xcb_atom_t                      sup_check, sup_list;
 775         xcb_window_t                    id;
 776         xcb_get_property_cookie_t       pc;
 777         xcb_get_property_reply_t        *pr;
 778
 779         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 780         sup_list = get_atom_from_string("_NET_SUPPORTED");
 781         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 782
 783         for (i = 0; i < num_screens; i++) {
 784                 /* Get the support check window and destroy it */
 785                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 786                         XCB_ATOM_WINDOW, 0, 1);
 787                 pr = xcb_get_property_reply(conn, pc, NULL);
 788                 if (pr) {
 789                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 790
 791                         xcb_destroy_window(conn, id);
 792                         xcb_delete_property(conn, screens[i].root, sup_check);
 793                         xcb_delete_property(conn, screens[i].root, sup_list);
 794
 795                         free(pr);
 796                 }
 797         }
 798 }
 799
 800 void
 801 ewmh_autoquirk(struct ws_win *win)
 802 {
 803         int                     i;
 804         unsigned long           n;
 805         xcb_atom_t              type;
 806
 807         xcb_get_property_cookie_t       c;
 808         xcb_get_property_reply_t        *r;
 809
 810         c = xcb_get_property(conn, False, win->id,
 811                 ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, (~0L));
 812         r = xcb_get_property_reply(conn, c, NULL);
 813         if (!r)
 814                 return;
 815         n = xcb_get_property_value_length(r);
 816
 817         for (i = 0; i < n; i++) {
 818                 type = *((xcb_atom_t *)xcb_get_property_value(r));
 819                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 820                         break;
 821                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 822                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 823                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 824                         win->floating = 1;
 825                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 826                         break;
 827                 }
 828                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 829                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 830                         win->floating = 1;
 831                         win->quirks = SWM_Q_FLOAT;
 832                         break;
 833                 }
 834         }
 835         free(r);
 836 }
 837
 838 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 839 #define EWMH_F_FULLSCREEN               (1<<0)
 840 #define EWMH_F_ABOVE                    (1<<1)
 841 #define EWMH_F_HIDDEN                   (1<<2)
 842 #define EWMH_F_SKIP_PAGER               (1<<3)
 843 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 844 #define SWM_F_MANUAL                    (1<<5)
 845
 846 int
 847 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 848 {
 849         if (!win->ws->r)
 850                 return (0);
 851
 852         if (!win->floating)
 853                 return (0);
 854
 855         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 856             "fullscreen %s\n", win->id, YESNO(fs));
 857
 858         if (fs) {
 859                 if (!win->g_floatvalid)
 860                         store_float_geom(win, win->ws->r);
 861
 862                 win->g = win->ws->r->g;
 863                 win->bordered = 0;
 864         } else {
 865                 if (win->g_floatvalid) {
 866                         /* refloat at last floating relative position */
 867                         win->g = win->g_float;
 868                         X(win) += X(win->ws->r);
 869                         Y(win) += Y(win->ws->r);
 870                 }
 871         }
 872
 873         return (1);
 874 }
 875
 876 void
 877 ewmh_update_actions(struct ws_win *win)
 878 {
 879         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 880         int                     n = 0;
 881
 882         if (win == NULL)
 883                 return;
 884
 885         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 886
 887         if (win->floating) {
 888                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 889                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 890         }
 891
 892         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 893                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 894                 actions);
 895 }
 896
 897 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 898 #define _NET_WM_STATE_ADD       1    /* add/set property */
 899 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 900
 901 void
 902 ewmh_update_win_state(struct ws_win *win, long state, long action)
 903 {
 904         unsigned int            mask = 0;
 905         unsigned int            changed = 0;
 906         unsigned int            orig_flags;
 907
 908         if (win == NULL)
 909                 return;
 910
 911         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 912                 mask = EWMH_F_FULLSCREEN;
 913         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 914                 mask = EWMH_F_ABOVE;
 915         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 916                 mask = SWM_F_MANUAL;
 917         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 918                 mask = EWMH_F_SKIP_PAGER;
 919         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 920                 mask = EWMH_F_SKIP_TASKBAR;
 921
 922
 923         orig_flags = win->ewmh_flags;
 924
 925         switch (action) {
 926         case _NET_WM_STATE_REMOVE:
 927                 win->ewmh_flags &= ~mask;
 928                 break;
 929         case _NET_WM_STATE_ADD:
 930                 win->ewmh_flags |= mask;
 931                 break;
 932         case _NET_WM_STATE_TOGGLE:
 933                 win->ewmh_flags ^= mask;
 934                 break;
 935         }
 936
 937         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 938
 939         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 940                 if (changed)
 941                         if (!floating_toggle_win(win))
 942                                 win->ewmh_flags = orig_flags; /* revert */
 943         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 944                 if (changed)
 945                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 946         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 947                 if (changed)
 948                         if (!ewmh_set_win_fullscreen(win,
 949                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 950                                 win->ewmh_flags = orig_flags; /* revert */
 951
 952         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 953
 954         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 955                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 956                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 957                         &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 958         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 959                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 960                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 961                         &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 962         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 963                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 964                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 965                         &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
 966         if (win->ewmh_flags & EWMH_F_ABOVE)
 967                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 968                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 969                         &ewmh[_NET_WM_STATE_ABOVE].atom);
 970         if (win->ewmh_flags & SWM_F_MANUAL)
 971                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 972                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 973                         &ewmh[_SWM_WM_STATE_MANUAL].atom);
 974 }
 975
 976 void
 977 ewmh_get_win_state(struct ws_win *win)
 978 {
 979         xcb_atom_t                      *states;
 980         xcb_get_property_cookie_t       c;
 981         xcb_get_property_reply_t        *r;
 982         int                             i, n;
 983
 984         if (win == NULL)
 985                 return;
 986
 987         win->ewmh_flags = 0;
 988         if (win->floating)
 989                 win->ewmh_flags |= EWMH_F_ABOVE;
 990         if (win->manual)
 991                 win->ewmh_flags |= SWM_F_MANUAL;
 992
 993         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
 994                 XCB_ATOM_ATOM, 0, (~0L));
 995         r = xcb_get_property_reply(conn, c, NULL);
 996         if (!r)
 997                 return;
 998
 999         states = xcb_get_property_value(r);
1000         n = xcb_get_property_value_length(r);
1001
1002         free(r);
1003
1004         for (i = 0; i < n; i++)
1005                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1006 }
1007
1008 /* events */
1009 #ifdef SWM_DEBUG
1010 char *
1011 geteventname(XEvent *e)
1012 {
1013         char                    *name = NULL;
1014
1015         switch (e->type) {
1016         case KeyPress:
1017                 name = "KeyPress";
1018                 break;
1019         case KeyRelease:
1020                 name = "KeyRelease";
1021                 break;
1022         case ButtonPress:
1023                 name = "ButtonPress";
1024                 break;
1025         case ButtonRelease:
1026                 name = "ButtonRelease";
1027                 break;
1028         case MotionNotify:
1029                 name = "MotionNotify";
1030                 break;
1031         case EnterNotify:
1032                 name = "EnterNotify";
1033                 break;
1034         case LeaveNotify:
1035                 name = "LeaveNotify";
1036                 break;
1037         case FocusIn:
1038                 name = "FocusIn";
1039                 break;
1040         case FocusOut:
1041                 name = "FocusOut";
1042                 break;
1043         case KeymapNotify:
1044                 name = "KeymapNotify";
1045                 break;
1046         case Expose:
1047                 name = "Expose";
1048                 break;
1049         case GraphicsExpose:
1050                 name = "GraphicsExpose";
1051                 break;
1052         case NoExpose:
1053                 name = "NoExpose";
1054                 break;
1055         case VisibilityNotify:
1056                 name = "VisibilityNotify";
1057                 break;
1058         case CreateNotify:
1059                 name = "CreateNotify";
1060                 break;
1061         case DestroyNotify:
1062                 name = "DestroyNotify";
1063                 break;
1064         case UnmapNotify:
1065                 name = "UnmapNotify";
1066                 break;
1067         case MapNotify:
1068                 name = "MapNotify";
1069                 break;
1070         case MapRequest:
1071                 name = "MapRequest";
1072                 break;
1073         case ReparentNotify:
1074                 name = "ReparentNotify";
1075                 break;
1076         case ConfigureNotify:
1077                 name = "ConfigureNotify";
1078                 break;
1079         case ConfigureRequest:
1080                 name = "ConfigureRequest";
1081                 break;
1082         case GravityNotify:
1083                 name = "GravityNotify";
1084                 break;
1085         case ResizeRequest:
1086                 name = "ResizeRequest";
1087                 break;
1088         case CirculateNotify:
1089                 name = "CirculateNotify";
1090                 break;
1091         case CirculateRequest:
1092                 name = "CirculateRequest";
1093                 break;
1094         case PropertyNotify:
1095                 name = "PropertyNotify";
1096                 break;
1097         case SelectionClear:
1098                 name = "SelectionClear";
1099                 break;
1100         case SelectionRequest:
1101                 name = "SelectionRequest";
1102                 break;
1103         case SelectionNotify:
1104                 name = "SelectionNotify";
1105                 break;
1106         case ColormapNotify:
1107                 name = "ColormapNotify";
1108                 break;
1109         case ClientMessage:
1110                 name = "ClientMessage";
1111                 break;
1112         case MappingNotify:
1113                 name = "MappingNotify";
1114                 break;
1115         default:
1116                 name = "Unknown";
1117         }
1118
1119         return (name);
1120 }
1121
1122 char *
1123 xrandr_geteventname(XEvent *e)
1124 {
1125         char                    *name = NULL;
1126
1127         switch(e->type - xrandr_eventbase) {
1128         case RRScreenChangeNotify:
1129                 name = "RRScreenChangeNotify";
1130                 break;
1131         default:
1132                 name = "Unknown";
1133         }
1134
1135         return (name);
1136 }
1137
1138 void
1139 dumpwins(struct swm_region *r, union arg *args)
1140 {
1141         struct ws_win                           *win;
1142         uint16_t                                state;
1143         xcb_get_window_attributes_cookie_t      c;
1144         xcb_get_window_attributes_reply_t       *wa;
1145
1146         if (r->ws == NULL) {
1147                 warnx("dumpwins: invalid workspace");
1148                 return;
1149         }
1150
1151         warnx("=== managed window list ws %02d ===", r->ws->idx);
1152         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1153                 state = getstate(win->id);
1154                 c = xcb_get_window_attributes(conn, win->id);
1155                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1156                 if (wa) {
1157                         warnx("window: 0x%x, map_state: %d, state: %u, "
1158                                 "transient: 0x%x", win->id, wa->map_state,
1159                                 state, win->transient);
1160                         free(wa);
1161                 } else
1162                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1163                             win->id);
1164         }
1165
1166         warnx("===== unmanaged window list =====");
1167         TAILQ_FOREACH(win, &r->ws->unmanagedlist, 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("=================================");
1182 }
1183 #else
1184 void
1185 dumpwins(struct swm_region *r, union arg *args)
1186 {
1187 }
1188 #endif /* SWM_DEBUG */
1189
1190 void                    expose(XEvent *);
1191 void                    keypress(XEvent *);
1192 void                    buttonpress(XEvent *);
1193 void                    configurerequest(XEvent *);
1194 void                    configurenotify(XEvent *);
1195 void                    destroynotify(XEvent *);
1196 void                    enternotify(XEvent *);
1197 void                    focusevent(XEvent *);
1198 void                    mapnotify(XEvent *);
1199 void                    mappingnotify(XEvent *);
1200 void                    maprequest(XEvent *);
1201 void                    propertynotify(XEvent *);
1202 void                    unmapnotify(XEvent *);
1203 void                    visibilitynotify(XEvent *);
1204 void                    clientmessage(XEvent *);
1205
1206 void                    (*handler[LASTEvent])(XEvent *) = {
1207                                 [Expose] = expose,
1208                                 [KeyPress] = keypress,
1209                                 [ButtonPress] = buttonpress,
1210                                 [ConfigureRequest] = configurerequest,
1211                                 [ConfigureNotify] = configurenotify,
1212                                 [DestroyNotify] = destroynotify,
1213                                 [EnterNotify] = enternotify,
1214                                 [FocusIn] = focusevent,
1215                                 [FocusOut] = focusevent,
1216                                 [MapNotify] = mapnotify,
1217                                 [MappingNotify] = mappingnotify,
1218                                 [MapRequest] = maprequest,
1219                                 [PropertyNotify] = propertynotify,
1220                                 [UnmapNotify] = unmapnotify,
1221                                 [VisibilityNotify] = visibilitynotify,
1222                                 [ClientMessage] = clientmessage,
1223 };
1224
1225 void
1226 sighdlr(int sig)
1227 {
1228         int                     saved_errno, status;
1229         pid_t                   pid;
1230
1231         saved_errno = errno;
1232
1233         switch (sig) {
1234         case SIGCHLD:
1235                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1236                         if (pid == -1) {
1237                                 if (errno == EINTR)
1238                                         continue;
1239 #ifdef SWM_DEBUG
1240                                 if (errno != ECHILD)
1241                                         warn("sighdlr: waitpid");
1242 #endif /* SWM_DEBUG */
1243                                 break;
1244                         }
1245                         if (pid == searchpid)
1246                                 search_resp = 1;
1247
1248 #ifdef SWM_DEBUG
1249                         if (WIFEXITED(status)) {
1250                                 if (WEXITSTATUS(status) != 0)
1251                                         warnx("sighdlr: child exit status: %d",
1252                                             WEXITSTATUS(status));
1253                         } else
1254                                 warnx("sighdlr: child is terminated "
1255                                     "abnormally");
1256 #endif /* SWM_DEBUG */
1257                 }
1258                 break;
1259
1260         case SIGHUP:
1261                 restart_wm = 1;
1262                 break;
1263         case SIGINT:
1264         case SIGTERM:
1265         case SIGQUIT:
1266                 running = 0;
1267                 break;
1268         }
1269
1270         errno = saved_errno;
1271 }
1272
1273 struct pid_e *
1274 find_pid(long pid)
1275 {
1276         struct pid_e            *p = NULL;
1277
1278         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1279
1280         if (pid == 0)
1281                 return (NULL);
1282
1283         TAILQ_FOREACH(p, &pidlist, entry) {
1284                 if (p->pid == pid)
1285                         return (p);
1286         }
1287
1288         return (NULL);
1289 }
1290
1291 uint32_t
1292 name_to_color(const char *colorname)
1293 {
1294         uint32_t                        result = 0;
1295         char                            cname[32] = "#";
1296         xcb_screen_t                    *screen;
1297         xcb_colormap_t                  cmap;
1298         xcb_alloc_named_color_cookie_t  c;
1299         xcb_alloc_named_color_reply_t   *r;
1300
1301         /* XXX - does not support rgb:/RR/GG/BB
1302          *       will need to use xcb_alloc_color
1303          */
1304         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1305         cmap = screen->default_colormap;
1306
1307         c = xcb_alloc_named_color(conn, cmap, strlen(colorname), colorname);
1308         r = xcb_alloc_named_color_reply(conn, c, NULL);
1309         if (!r) {
1310                 strlcat(cname, colorname + 2, sizeof cname - 1);
1311                 c = xcb_alloc_named_color(conn, cmap, strlen(cname),
1312                         cname);
1313                 r = xcb_alloc_named_color_reply(conn, c, NULL);
1314         }
1315         if (r) {
1316                 result = r->pixel;
1317                 free(r);
1318         } else
1319                 warnx("color '%s' not found", colorname);
1320
1321         return (result);
1322 }
1323
1324 void
1325 setscreencolor(char *val, int i, int c)
1326 {
1327         int     num_screens;
1328
1329         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1330         if (i > 0 && i <= num_screens) {
1331                 screens[i - 1].c[c].color = name_to_color(val);
1332                 free(screens[i - 1].c[c].name);
1333                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1334                         err(1, "strdup");
1335         } else if (i == -1) {
1336                 for (i = 0; i < num_screens; i++) {
1337                         screens[i].c[c].color = name_to_color(val);
1338                         free(screens[i].c[c].name);
1339                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1340                                 err(1, "strdup");
1341                 }
1342         } else
1343                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1344                     i, num_screens);
1345 }
1346
1347 void
1348 fancy_stacker(struct workspace *ws)
1349 {
1350         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1351         if (ws->cur_layout->l_stack == vertical_stack)
1352                 snprintf(ws->stacker, sizeof ws->stacker,
1353                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1354                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1355         if (ws->cur_layout->l_stack == horizontal_stack)
1356                 snprintf(ws->stacker, sizeof ws->stacker,
1357                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1358                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1359 }
1360
1361 void
1362 plain_stacker(struct workspace *ws)
1363 {
1364         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1365         if (ws->cur_layout->l_stack == vertical_stack)
1366                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1367                     sizeof ws->stacker);
1368         if (ws->cur_layout->l_stack == horizontal_stack)
1369                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1370                     sizeof ws->stacker);
1371 }
1372
1373 void
1374 custom_region(char *val)
1375 {
1376         unsigned int                    sidx, x, y, w, h;
1377         int                             num_screens;
1378         xcb_screen_t                    *screen;
1379
1380         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1381         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1382                 errx(1, "invalid custom region, "
1383                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1384         if (sidx < 1 || sidx > num_screens)
1385                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1386                     sidx, num_screens);
1387         sidx--;
1388
1389         screen = get_screen(sidx);
1390         if (w < 1 || h < 1)
1391                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1392
1393         if (x > screen->width_in_pixels ||
1394             y > screen->height_in_pixels ||
1395             w + x > screen->width_in_pixels ||
1396             h + y > screen->height_in_pixels) {
1397                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1398                     "boundaries (%ux%u)", w, h, x, y,
1399                     screen->width_in_pixels, screen->height_in_pixels);
1400                 return;
1401         }
1402
1403         new_region(&screens[sidx], x, y, w, h);
1404 }
1405
1406 void
1407 socket_setnonblock(int fd)
1408 {
1409         int                     flags;
1410
1411         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1412                 err(1, "fcntl F_GETFL");
1413         flags |= O_NONBLOCK;
1414         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1415                 err(1, "fcntl F_SETFL");
1416 }
1417
1418 void
1419 bar_print(struct swm_region *r, const char *s)
1420 {
1421         int                     x = 0;
1422         size_t                  len;
1423         xcb_rectangle_t         rect;
1424         uint32_t                gcv[1];
1425         XRectangle              ibox, lbox;
1426
1427         len = strlen(s);
1428         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1429
1430         switch (bar_justify) {
1431         case SWM_BAR_JUSTIFY_LEFT:
1432                 x = SWM_BAR_OFFSET;
1433                 break;
1434         case SWM_BAR_JUSTIFY_CENTER:
1435                 x = (WIDTH(r) - lbox.width) / 2;
1436                 break;
1437         case SWM_BAR_JUSTIFY_RIGHT:
1438                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1439                 break;
1440         }
1441
1442         if (x < SWM_BAR_OFFSET)
1443                 x = SWM_BAR_OFFSET;
1444
1445         rect.x = 0;
1446         rect.y = 0;
1447         rect.width = WIDTH(r->bar);
1448         rect.height = HEIGHT(r->bar);
1449
1450         /* clear back buffer */
1451         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1452         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1453         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1454                 sizeof(rect), &rect);
1455
1456         /* draw back buffer */
1457         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1458         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1459         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1460                 (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1461                 lbox.y, s);
1462
1463         /* blt */
1464         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1465                 0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1466 }
1467
1468 void
1469 bar_extra_stop(void)
1470 {
1471         if (bar_pipe[0]) {
1472                 close(bar_pipe[0]);
1473                 bzero(bar_pipe, sizeof bar_pipe);
1474         }
1475         if (bar_pid) {
1476                 kill(bar_pid, SIGTERM);
1477                 bar_pid = 0;
1478         }
1479         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1480         bar_extra = 0;
1481 }
1482
1483 void
1484 bar_class_name(char *s, size_t sz, struct swm_region *r)
1485 {
1486         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1487                 return;
1488         if (r->ws->focus->ch.res_class != NULL)
1489                 strlcat(s, r->ws->focus->ch.res_class, sz);
1490 }
1491
1492 void
1493 bar_title_name(char *s, size_t sz, struct swm_region *r)
1494 {
1495         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1496                 return;
1497         if (r->ws->focus->ch.res_name != NULL)
1498                 strlcat(s, r->ws->focus->ch.res_name, sz);
1499 }
1500
1501 void
1502 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1503 {
1504         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1505                 return;
1506
1507         bar_class_name(s, sz, r);
1508         strlcat(s, ":", sz);
1509         bar_title_name(s, sz, r);
1510 }
1511
1512 void
1513 bar_window_float(char *s, size_t sz, struct swm_region *r)
1514 {
1515         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1516                 return;
1517         if (r->ws->focus->floating)
1518                 strlcat(s, "(f)", sz);
1519 }
1520
1521 void
1522 bar_window_name(char *s, size_t sz, struct swm_region *r)
1523 {
1524         char            *title;
1525
1526         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1527                 return;
1528         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1529                 return;
1530
1531         strlcat(s, title, sz);
1532         free(title);
1533 }
1534
1535 int             urgent[SWM_WS_MAX];
1536 void
1537 bar_urgent(char *s, size_t sz)
1538 {
1539         struct ws_win           *win;
1540         int                     i, j, num_screens;
1541         char                    b[8];
1542         xcb_get_property_cookie_t       c;
1543         xcb_icccm_wm_hints_t    hints;
1544
1545         for (i = 0; i < workspace_limit; i++)
1546                 urgent[i] = 0;
1547
1548         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1549         for (i = 0; i < num_screens; i++)
1550                 for (j = 0; j < workspace_limit; j++)
1551                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1552                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1553                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1554                                                 &hints, NULL) == 0)
1555                                         continue;
1556                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1557                                         urgent[j] = 1;
1558                         }
1559
1560         for (i = 0; i < workspace_limit; i++) {
1561                 if (urgent[i])
1562                         snprintf(b, sizeof b, "%d ", i + 1);
1563                 else
1564                         snprintf(b, sizeof b, "- ");
1565                 strlcat(s, b, sz);
1566         }
1567 }
1568
1569 void
1570 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1571 {
1572         if (r == NULL || r->ws == NULL)
1573                 return;
1574         if (r->ws->name != NULL)
1575                 strlcat(s, r->ws->name, sz);
1576 }
1577
1578 /* build the default bar format according to the defined enabled options */
1579 void
1580 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1581 {
1582         /* if format provided, just copy the buffers */
1583         if (bar_format != NULL) {
1584                 strlcpy(fmtnew, fmtexp, sz);
1585                 return;
1586         }
1587
1588         /* reset the output buffer */
1589         *fmtnew = '\0';
1590
1591         strlcat(fmtnew, "+N:+I ", sz);
1592         if (stack_enabled)
1593                 strlcat(fmtnew, "+S", sz);
1594         strlcat(fmtnew, " ", sz);
1595
1596         /* only show the workspace name if there's actually one */
1597         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1598                 strlcat(fmtnew, "<+D>", sz);
1599         strlcat(fmtnew, "+3<", sz);
1600
1601         if (clock_enabled) {
1602                 strlcat(fmtnew, fmtexp, sz);
1603                 strlcat(fmtnew, "+4<", sz);
1604         }
1605
1606         /* bar_urgent already adds the space before the last asterisk */
1607         if (urgent_enabled)
1608                 strlcat(fmtnew, "* +U*+4<", sz);
1609
1610         if (title_class_enabled) {
1611                 strlcat(fmtnew, "+C", sz);
1612                 if (title_name_enabled == 0)
1613                         strlcat(fmtnew, "+4<", sz);
1614         }
1615
1616         /* checks needed by the colon and floating strlcat(3) calls below */
1617         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1618                 if (title_name_enabled) {
1619                         if (title_class_enabled)
1620                                 strlcat(fmtnew, ":", sz);
1621                         strlcat(fmtnew, "+T+4<", sz);
1622                 }
1623                 if (window_name_enabled) {
1624                         if (r->ws->focus->floating)
1625                                 strlcat(fmtnew, "+F ", sz);
1626                         strlcat(fmtnew, "+64W ", sz);
1627                 }
1628         }
1629
1630         /* finally add the action script output and the version */
1631         strlcat(fmtnew, "+4<+A+4<+V", sz);
1632 }
1633
1634 void
1635 bar_replace_pad(char *tmp, int *limit, size_t sz)
1636 {
1637         /* special case; no limit given, pad one space, instead */
1638         if (*limit == sz - 1)
1639                 *limit = 1;
1640         snprintf(tmp, sz, "%*s", *limit, " ");
1641 }
1642
1643 /* replaces the bar format character sequences (like in tmux(1)) */
1644 char *
1645 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1646     size_t sz)
1647 {
1648         char                    *ptr;
1649         char                    tmp[SWM_BAR_MAX];
1650         int                     limit, size;
1651         size_t                  len;
1652
1653         /* reset strlcat(3) buffer */
1654         *tmp = '\0';
1655
1656         /* get number, if any */
1657         fmt++;
1658         size = 0;
1659         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1660                 limit = sizeof tmp - 1;
1661         if (limit <= 0 || limit >= sizeof tmp)
1662                 limit = sizeof tmp - 1;
1663
1664         /* there is nothing to replace (ie EOL) */
1665         fmt += size;
1666         if (*fmt == '\0')
1667                 return (fmt);
1668
1669         switch (*fmt) {
1670         case '<':
1671                 bar_replace_pad(tmp, &limit, sizeof tmp);
1672                 break;
1673         case 'A':
1674                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1675                 break;
1676         case 'C':
1677                 bar_class_name(tmp, sizeof tmp, r);
1678                 break;
1679         case 'D':
1680                 bar_workspace_name(tmp, sizeof tmp, r);
1681                 break;
1682         case 'F':
1683                 bar_window_float(tmp, sizeof tmp, r);
1684                 break;
1685         case 'I':
1686                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1687                 break;
1688         case 'N':
1689                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1690                 break;
1691         case 'P':
1692                 bar_class_title_name(tmp, sizeof tmp, r);
1693                 break;
1694         case 'S':
1695                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1696                 break;
1697         case 'T':
1698                 bar_title_name(tmp, sizeof tmp, r);
1699                 break;
1700         case 'U':
1701                 bar_urgent(tmp, sizeof tmp);
1702                 break;
1703         case 'V':
1704                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1705                 break;
1706         case 'W':
1707                 bar_window_name(tmp, sizeof tmp, r);
1708                 break;
1709         default:
1710                 /* unknown character sequence; copy as-is */
1711                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1712                 break;
1713         }
1714
1715         len = strlen(tmp);
1716         ptr = tmp;
1717         if (len < limit)
1718                 limit = len;
1719         while (limit-- > 0) {
1720                 if (*offrep >= sz - 1)
1721                         break;
1722                 fmtrep[(*offrep)++] = *ptr++;
1723         }
1724
1725         fmt++;
1726         return (fmt);
1727 }
1728
1729 void
1730 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1731 {
1732         size_t                  off;
1733
1734         off = 0;
1735         while (*fmt != '\0') {
1736                 if (*fmt != '+') {
1737                         /* skip ordinary characters */
1738                         if (off >= sz - 1)
1739                                 break;
1740                         fmtrep[off++] = *fmt++;
1741                         continue;
1742                 }
1743
1744                 /* character sequence found; replace it */
1745                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1746                 if (off >= sz - 1)
1747                         break;
1748         }
1749
1750         fmtrep[off] = '\0';
1751 }
1752
1753 void
1754 bar_fmt_expand(char *fmtexp, size_t sz)
1755 {
1756         char                    *fmt = NULL;
1757         size_t                  len;
1758         struct tm               tm;
1759         time_t                  tmt;
1760
1761         /* start by grabbing the current time and date */
1762         time(&tmt);
1763         localtime_r(&tmt, &tm);
1764
1765         /* figure out what to expand */
1766         if (bar_format != NULL)
1767                 fmt = bar_format;
1768         else if (bar_format == NULL && clock_enabled)
1769                 fmt = clock_format;
1770         /* if nothing to expand bail out */
1771         if (fmt == NULL) {
1772                 *fmtexp = '\0';
1773                 return;
1774         }
1775
1776         /* copy as-is, just in case the format shouldn't be expanded below */
1777         strlcpy(fmtexp, fmt, sz);
1778         /* finally pass the string through strftime(3) */
1779 #ifndef SWM_DENY_CLOCK_FORMAT
1780         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1781                 warnx("format too long");
1782         fmtexp[len] = '\0';
1783 #endif
1784 }
1785
1786 void
1787 bar_fmt_print(void)
1788 {
1789         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1790         char                    fmtrep[SWM_BAR_MAX];
1791         int                     i, num_screens;
1792         struct swm_region       *r;
1793
1794         /* expand the format by first passing it through strftime(3) */
1795         bar_fmt_expand(fmtexp, sizeof fmtexp);
1796
1797         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1798         for (i = 0; i < num_screens; i++) {
1799                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1800                         if (r->bar == NULL)
1801                                 continue;
1802                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1803                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1804                         bar_print(r, fmtrep);
1805                 }
1806         }
1807 }
1808
1809 void
1810 bar_update(void)
1811 {
1812         size_t                  len;
1813         char                    *b;
1814
1815         if (bar_enabled == 0)
1816                 return;
1817         if (bar_extra && bar_extra_running) {
1818                 /* ignore short reads; it'll correct itself */
1819                 while ((b = fgetln(stdin, &len)) != NULL)
1820                         if (b && b[len - 1] == '\n') {
1821                                 b[len - 1] = '\0';
1822                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1823                         }
1824                 if (b == NULL && errno != EAGAIN) {
1825                         warn("bar_update: bar_extra failed");
1826                         bar_extra_stop();
1827                 }
1828         } else
1829                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1830
1831         bar_fmt_print();
1832         alarm(bar_delay);
1833 }
1834
1835 void
1836 bar_signal(int sig)
1837 {
1838         bar_alarm = 1;
1839 }
1840
1841 void
1842 bar_toggle(struct swm_region *r, union arg *args)
1843 {
1844         struct swm_region       *tmpr;
1845         int                     i, num_screens;
1846
1847         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1848
1849         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1850         if (bar_enabled) {
1851                 for (i = 0; i < num_screens; i++)
1852                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1853                                 if (tmpr->bar)
1854                                         xcb_unmap_window(conn, tmpr->bar->id);
1855         } else {
1856                 for (i = 0; i < num_screens; i++)
1857                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1858                                 if (tmpr->bar)
1859                                         map_window_raised(tmpr->bar->id);
1860         }
1861
1862         bar_enabled = !bar_enabled;
1863
1864         stack();
1865         /* must be after stack */
1866         bar_update();
1867 }
1868
1869 void
1870 bar_refresh(void)
1871 {
1872         struct swm_region       *r;
1873         uint32_t                wa[2];
1874         int                     i, num_screens;
1875
1876         /* do this here because the conf file is in memory */
1877         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1878                 /* launch external status app */
1879                 bar_extra_running = 1;
1880                 if (pipe(bar_pipe) == -1)
1881                         err(1, "pipe error");
1882                 socket_setnonblock(bar_pipe[0]);
1883                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1884                 if (dup2(bar_pipe[0], 0) == -1)
1885                         err(1, "dup2");
1886                 if (dup2(bar_pipe[1], 1) == -1)
1887                         err(1, "dup2");
1888                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1889                         err(1, "could not disable SIGPIPE");
1890                 switch (bar_pid = fork()) {
1891                 case -1:
1892                         err(1, "cannot fork");
1893                         break;
1894                 case 0: /* child */
1895                         close(bar_pipe[0]);
1896                         execvp(bar_argv[0], bar_argv);
1897                         err(1, "%s external app failed", bar_argv[0]);
1898                         break;
1899                 default: /* parent */
1900                         close(bar_pipe[1]);
1901                         break;
1902                 }
1903         }
1904
1905         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1906         for (i = 0; i < num_screens; i++)
1907                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1908                         if (r->bar == NULL)
1909                                 continue;
1910                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1911                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1912                         xcb_change_window_attributes(conn, r->bar->id,
1913                                 XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1914                 }
1915         bar_update();
1916 }
1917
1918 void
1919 bar_setup(struct swm_region *r)
1920 {
1921         char                    *default_string;
1922         char                    **missing_charsets;
1923         int                     num_missing_charsets = 0;
1924         int                     i;
1925         xcb_screen_t            *screen = get_screen(r->s->idx);
1926         uint32_t                wa[2];
1927
1928         if (bar_fs) {
1929                 XFreeFontSet(display, bar_fs);
1930                 bar_fs = NULL;
1931         }
1932
1933         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1934                 err(1, "bar_setup: calloc: failed to allocate memory.");
1935
1936         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1937
1938         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1939             &num_missing_charsets, &default_string);
1940
1941         if (num_missing_charsets > 0) {
1942                 warnx("Unable to load charset(s):");
1943
1944                 for (i = 0; i < num_missing_charsets; ++i)
1945                         warnx("%s", missing_charsets[i]);
1946
1947                 XFreeStringList(missing_charsets);
1948
1949                 if (strcmp(default_string, ""))
1950                         warnx("Glyphs from those sets will be replaced "
1951                             "by '%s'.", default_string);
1952                 else
1953                         warnx("Glyphs from those sets won't be drawn.");
1954         }
1955
1956         if (bar_fs == NULL)
1957                 errx(1, "Error creating font set structure.");
1958
1959         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1960
1961         bar_height = bar_fs_extents->max_logical_extent.height +
1962             2 * bar_border_width;
1963
1964         if (bar_height < 1)
1965                 bar_height = 1;
1966
1967         X(r->bar) = X(r);
1968         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1969         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1970         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1971
1972         r->bar->id = xcb_generate_id(conn);
1973         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
1974         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
1975         xcb_create_window(conn, screen->root_depth, r->bar->id, r->s->root,
1976                 X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1977                 bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1978                 screen->root_visual, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL,
1979                 wa);
1980
1981         r->bar->buffer = xcb_generate_id(conn);
1982         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1983                 WIDTH(r->bar), HEIGHT(r->bar));
1984
1985         xcb_randr_select_input(conn, r->bar->id,
1986                 XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1987
1988         if (bar_enabled)
1989                 map_window_raised(r->bar->id);
1990
1991         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1992             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1993             HEIGHT(r->bar));
1994
1995         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1996                 err(1, "could not install bar_signal");
1997         bar_refresh();
1998 }
1999
2000 void
2001 bar_cleanup(struct swm_region *r)
2002 {
2003         if (r->bar == NULL)
2004                 return;
2005         xcb_destroy_window(conn, r->bar->id);
2006         xcb_free_pixmap(conn, r->bar->buffer);
2007         free(r->bar);
2008         r->bar = NULL;
2009 }
2010
2011 void
2012 drain_enter_notify(void)
2013 {
2014         int                     i = 0;
2015
2016         while (xcb_poll_for_event(conn))
2017                 i++;
2018
2019         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
2020 }
2021
2022 void
2023 set_win_state(struct ws_win *win, uint16_t state)
2024 {
2025         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2026
2027         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
2028
2029         if (win == NULL)
2030                 return;
2031
2032         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, astate,
2033                 astate, 32, 2, data);
2034 }
2035
2036 uint16_t
2037 getstate(xcb_window_t w)
2038 {
2039         uint16_t                        result = 0;
2040         xcb_get_property_cookie_t       c;
2041         xcb_get_property_reply_t        *r;
2042
2043         c = xcb_get_property(conn, False, w, astate, astate, 0L, 2L);
2044         r = xcb_get_property_reply(conn, c, NULL);
2045
2046         if (r) {
2047                 result = *((uint16_t *)xcb_get_property_value(r));
2048                 free(r);
2049         }
2050
2051         return (result);
2052 }
2053
2054 void
2055 version(struct swm_region *r, union arg *args)
2056 {
2057         bar_version = !bar_version;
2058         if (bar_version)
2059                 snprintf(bar_vertext, sizeof bar_vertext,
2060                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2061         else
2062                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2063         bar_update();
2064 }
2065
2066 void
2067 client_msg(struct ws_win *win, xcb_atom_t a)
2068 {
2069         xcb_client_message_event_t      ev;
2070
2071         if (win == NULL)
2072                 return;
2073
2074         bzero(&ev, sizeof ev);
2075         ev.response_type = XCB_CLIENT_MESSAGE;
2076         ev.window = win->id;
2077         ev.type = aprot;
2078         ev.format = 32;
2079         ev.data.data32[0] = a;
2080         ev.data.data32[1] = XCB_CURRENT_TIME;
2081
2082         xcb_send_event(conn, False, win->id,
2083                 XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2084         xcb_flush(conn);
2085 }
2086
2087 /* synthetic response to a ConfigureRequest when not making a change */
2088 void
2089 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
2090 {
2091         xcb_configure_notify_event_t ce;
2092
2093         if (win == NULL)
2094                 return;
2095
2096         /* send notification of unchanged state. */
2097         bzero(&ce, sizeof(ce));
2098         ce.response_type = XCB_CONFIGURE_NOTIFY;
2099         ce.x = X(win);
2100         ce.y = Y(win);
2101         ce.width = WIDTH(win);
2102         ce.height = HEIGHT(win);
2103         ce.override_redirect = False;
2104
2105         if (ev == NULL) {
2106                 /* EWMH */
2107                 ce.event = win->id;
2108                 ce.window = win->id;
2109                 ce.border_width = BORDER(win);
2110                 ce.above_sibling = XCB_WINDOW_NONE;
2111         } else {
2112                 /* normal */
2113                 ce.event = ev->window;
2114                 ce.window = ev->window;
2115
2116                 /* make response appear more WM_SIZE_HINTS-compliant */
2117                 if (win->sh_mask)
2118                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2119                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
2120                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
2121                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2122                             SH_INC_W(win), SH_INC_H(win));
2123
2124                 /* min size */
2125                 if (SH_MIN(win)) {
2126                         /* the hint may be set... to 0! */
2127                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2128                                 ce.width = SH_MIN_W(win);
2129                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2130                                 ce.height = SH_MIN_H(win);
2131                 }
2132
2133                 /* max size */
2134                 if (SH_MAX(win)) {
2135                         /* may also be advertized as 0 */
2136                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2137                                 ce.width = SH_MAX_W(win);
2138                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2139                                 ce.height = SH_MAX_H(win);
2140                 }
2141
2142                 /* resize increment. */
2143                 if (SH_INC(win)) {
2144                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2145                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2146                                     SH_INC_W(win);
2147                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2148                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2149                                     SH_INC_H(win);
2150                 }
2151
2152                 /* adjust x and y for requested border_width. */
2153                 ce.x += BORDER(win) - ev->border_width;
2154                 ce.y += BORDER(win) - ev->border_width;
2155                 ce.border_width = ev->border_width;
2156                 ce.above_sibling = ev->above;
2157         }
2158
2159         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2160             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2161             ce.y, ce.width, ce.height, ce.border_width);
2162
2163         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2164                 (char *)&ce);
2165         xcb_flush(conn);
2166 }
2167
2168 int
2169 count_win(struct workspace *ws, int count_transient)
2170 {
2171         struct ws_win           *win;
2172         int                     count = 0;
2173
2174         TAILQ_FOREACH(win, &ws->winlist, entry) {
2175                 if (count_transient == 0 && win->floating)
2176                         continue;
2177                 if (count_transient == 0 && win->transient)
2178                         continue;
2179                 if (win->iconic)
2180                         continue;
2181                 count++;
2182         }
2183         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2184
2185         return (count);
2186 }
2187
2188 void
2189 quit(struct swm_region *r, union arg *args)
2190 {
2191         DNPRINTF(SWM_D_MISC, "quit\n");
2192         running = 0;
2193 }
2194
2195 void
2196 unmap_window(struct ws_win *win)
2197 {
2198         if (win == NULL)
2199                 return;
2200
2201         /* don't unmap again */
2202         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2203                 return;
2204
2205         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2206
2207         xcb_unmap_window(conn, win->id);
2208         xcb_change_window_attributes(conn, win->id,
2209                 XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2210 }
2211
2212 void
2213 unmap_all(void)
2214 {
2215         struct ws_win           *win;
2216         int                     i, j, num_screens;
2217
2218         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2219         for (i = 0; i < num_screens; i++)
2220                 for (j = 0; j < workspace_limit; j++)
2221                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2222                                 unmap_window(win);
2223 }
2224
2225 void
2226 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2227 {
2228         xcb_key_press_event_t   event;
2229         xcb_key_symbols_t       *syms;
2230         xcb_keycode_t           *keycode;
2231
2232         if (win == NULL)
2233                 return;
2234
2235         syms = xcb_key_symbols_alloc(conn);
2236         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2237
2238         event.event = win->id;
2239         event.root = win->s->root;
2240         event.child = XCB_WINDOW_NONE;
2241         event.time = XCB_CURRENT_TIME;
2242         event.event_x = X(win);
2243         event.event_y = Y(win);
2244         event.root_x = 1;
2245         event.root_y = 1;
2246         event.same_screen = True;
2247         event.detail = *keycode;
2248         event.state = modifiers;
2249
2250         event.response_type = XCB_KEY_PRESS;
2251         xcb_send_event(conn, True, win->id,
2252                  XCB_EVENT_MASK_KEY_PRESS, (char *)&event);
2253
2254         event.response_type = XCB_KEY_RELEASE;
2255         xcb_send_event(conn, True, win->id,
2256                 XCB_EVENT_MASK_KEY_RELEASE, (char *)&event);
2257         xcb_flush(conn);
2258
2259         xcb_key_symbols_free(syms);
2260 }
2261
2262 void
2263 restart(struct swm_region *r, union arg *args)
2264 {
2265         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2266
2267         /* disable alarm because the following code may not be interrupted */
2268         alarm(0);
2269         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2270                 err(1, "can't disable alarm");
2271
2272         bar_extra_stop();
2273         bar_extra = 1;
2274         unmap_all();
2275         XCloseDisplay(display);
2276         execvp(start_argv[0], start_argv);
2277         warn("execvp failed");
2278         quit(NULL, NULL);
2279 }
2280
2281 struct swm_region *
2282 root_to_region(xcb_window_t root)
2283 {
2284         struct swm_region       *r = NULL;
2285         int                     i, num_screens;
2286         xcb_query_pointer_cookie_t      qpc;
2287         xcb_query_pointer_reply_t       *qpr;
2288
2289         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2290
2291         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2292         for (i = 0; i < num_screens; i++)
2293                 if (screens[i].root == root)
2294                         break;
2295
2296         qpc = xcb_query_pointer(conn, screens[i].root);
2297         qpr = xcb_query_pointer_reply(conn, qpc, NULL);
2298
2299         if (qpr) {
2300                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2301                     qpr->root_x, qpr->root_y);
2302                 /* choose a region based on pointer location */
2303                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2304                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2305                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2306                                 break;
2307                 free(qpr);
2308         }
2309
2310         if (r == NULL)
2311                 r = TAILQ_FIRST(&screens[i].rl);
2312
2313         return (r);
2314 }
2315
2316 struct ws_win *
2317 find_unmanaged_window(xcb_window_t id)
2318 {
2319         struct ws_win           *win;
2320         int                     i, j, num_screens;
2321
2322         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2323         for (i = 0; i < num_screens; i++)
2324                 for (j = 0; j < workspace_limit; j++)
2325                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2326                             entry)
2327                                 if (id == win->id)
2328                                         return (win);
2329         return (NULL);
2330 }
2331
2332 struct ws_win *
2333 find_window(xcb_window_t id)
2334 {
2335         struct ws_win           *win;
2336         int                     i, j, num_screens;
2337         xcb_query_tree_cookie_t c;
2338         xcb_query_tree_reply_t  *r;
2339
2340         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2341         for (i = 0; i < num_screens; i++)
2342                 for (j = 0; j < workspace_limit; j++)
2343                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2344                                 if (id == win->id)
2345                                         return (win);
2346
2347         c = xcb_query_tree(conn, id);
2348         r = xcb_query_tree_reply(conn, c, NULL);
2349         if (!r)
2350                 return (NULL);
2351
2352         /* if we were looking for the parent return that window instead */
2353         if (r->parent == 0 || r->root == r->parent)
2354                 return (NULL);
2355
2356         /* look for parent */
2357         for (i = 0; i < num_screens; i++)
2358                 for (j = 0; j < workspace_limit; j++)
2359                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2360                                 if (r->parent == win->id) {
2361                                         free(r);
2362                                         return (win);
2363                                 }
2364
2365         free(r);
2366         return (NULL);
2367 }
2368
2369 void
2370 spawn(int ws_idx, union arg *args, int close_fd)
2371 {
2372         int                     fd;
2373         char                    *ret = NULL;
2374
2375         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2376
2377         if (display)
2378                 close(xcb_get_file_descriptor(conn));
2379
2380         setenv("LD_PRELOAD", SWM_LIB, 1);
2381
2382         if (asprintf(&ret, "%d", ws_idx) == -1) {
2383                 warn("spawn: asprintf SWM_WS");
2384                 _exit(1);
2385         }
2386         setenv("_SWM_WS", ret, 1);
2387         free(ret);
2388         ret = NULL;
2389
2390         if (asprintf(&ret, "%d", getpid()) == -1) {
2391                 warn("spawn: asprintf _SWM_PID");
2392                 _exit(1);
2393         }
2394         setenv("_SWM_PID", ret, 1);
2395         free(ret);
2396         ret = NULL;
2397
2398         if (setsid() == -1) {
2399                 warn("spawn: setsid");
2400                 _exit(1);
2401         }
2402
2403         if (close_fd) {
2404                 /*
2405                  * close stdin and stdout to prevent interaction between apps
2406                  * and the baraction script
2407                  * leave stderr open to record errors
2408                 */
2409                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2410                         warn("spawn: open");
2411                         _exit(1);
2412                 }
2413                 dup2(fd, STDIN_FILENO);
2414                 dup2(fd, STDOUT_FILENO);
2415                 if (fd > 2)
2416                         close(fd);
2417         }
2418
2419         execvp(args->argv[0], args->argv);
2420
2421         warn("spawn: execvp");
2422         _exit(1);
2423 }
2424
2425 void
2426 kill_refs(struct ws_win *win)
2427 {
2428         int                     i, x, num_screens;
2429         struct swm_region       *r;
2430         struct workspace        *ws;
2431
2432         if (win == NULL)
2433                 return;
2434
2435         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2436         for (i = 0; i < num_screens; i++)
2437                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2438                         for (x = 0; x < workspace_limit; x++) {
2439                                 ws = &r->s->ws[x];
2440                                 if (win == ws->focus)
2441                                         ws->focus = NULL;
2442                                 if (win == ws->focus_prev)
2443                                         ws->focus_prev = NULL;
2444                         }
2445 }
2446
2447 int
2448 validate_win(struct ws_win *testwin)
2449 {
2450         struct ws_win           *win;
2451         struct workspace        *ws;
2452         struct swm_region       *r;
2453         int                     i, x, num_screens;
2454
2455         if (testwin == NULL)
2456                 return (0);
2457
2458         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2459         for (i = 0; i < num_screens; i++)
2460                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2461                         for (x = 0; x < workspace_limit; x++) {
2462                                 ws = &r->s->ws[x];
2463                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2464                                         if (win == testwin)
2465                                                 return (0);
2466                         }
2467         return (1);
2468 }
2469
2470 int
2471 validate_ws(struct workspace *testws)
2472 {
2473         struct swm_region       *r;
2474         struct workspace        *ws;
2475         int                     i, x, num_screens;
2476
2477         /* validate all ws */
2478         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2479         for (i = 0; i < num_screens; i++)
2480                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2481                         for (x = 0; x < workspace_limit; x++) {
2482                                 ws = &r->s->ws[x];
2483                                 if (ws == testws)
2484                                         return (0);
2485                         }
2486         return (1);
2487 }
2488
2489 void
2490 unfocus_win(struct ws_win *win)
2491 {
2492         XEvent                  cne;
2493         xcb_window_t            none = XCB_WINDOW_NONE;
2494
2495         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2496
2497         if (win == NULL)
2498                 return;
2499         if (win->ws == NULL)
2500                 return;
2501
2502         if (validate_ws(win->ws))
2503                 return; /* XXX this gets hit with thunderbird, needs fixing */
2504
2505         if (win->ws->r == NULL)
2506                 return;
2507
2508         if (validate_win(win)) {
2509                 kill_refs(win);
2510                 return;
2511         }
2512
2513         if (win->ws->focus == win) {
2514                 win->ws->focus = NULL;
2515                 win->ws->focus_prev = win;
2516         }
2517
2518         if (validate_win(win->ws->focus)) {
2519                 kill_refs(win->ws->focus);
2520                 win->ws->focus = NULL;
2521         }
2522         if (validate_win(win->ws->focus_prev)) {
2523                 kill_refs(win->ws->focus_prev);
2524                 win->ws->focus_prev = NULL;
2525         }
2526
2527         /* drain all previous unfocus events */
2528         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2529                 ;
2530
2531         grabbuttons(win, 0);
2532         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2533                 &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2534         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2535                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2536                 &none);
2537 }
2538
2539 void
2540 unfocus_all(void)
2541 {
2542         struct ws_win           *win;
2543         int                     i, j, num_screens;
2544
2545         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2546
2547         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2548         for (i = 0; i < num_screens; i++)
2549                 for (j = 0; j < workspace_limit; j++)
2550                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2551                                 unfocus_win(win);
2552 }
2553
2554 void
2555 focus_win(struct ws_win *win)
2556 {
2557         XEvent                  cne;
2558         struct ws_win           *cfw = NULL;
2559         xcb_get_input_focus_cookie_t    c;
2560         xcb_get_input_focus_reply_t     *r;
2561         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2562
2563         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2564
2565         if (win == NULL)
2566                 return;
2567         if (win->ws == NULL)
2568                 return;
2569
2570         if (validate_ws(win->ws))
2571                 return; /* XXX this gets hit with thunderbird, needs fixing */
2572
2573         if (validate_win(win)) {
2574                 kill_refs(win);
2575                 return;
2576         }
2577
2578         if (validate_win(win)) {
2579                 kill_refs(win);
2580                 return;
2581         }
2582
2583         c = xcb_get_input_focus(conn);
2584         r = xcb_get_input_focus_reply(conn, c, NULL);
2585         if (r) {
2586                 cur_focus = r->focus;
2587                 free(r);
2588         }
2589         if ((cfw = find_window(cur_focus)) != NULL)
2590                 unfocus_win(cfw);
2591         else {
2592                 /* use larger hammer since the window was killed somehow */
2593                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2594                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2595                                 xcb_change_window_attributes(conn, cfw->id,
2596                                         XCB_CW_BORDER_PIXEL,
2597                                         &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2598         }
2599
2600         win->ws->focus = win;
2601
2602         if (win->ws->r != NULL) {
2603                 /* drain all previous focus events */
2604                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2605                         ;
2606
2607                 if (win->java == 0)
2608                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2609                                 win->id, XCB_CURRENT_TIME);
2610                 grabbuttons(win, 1);
2611                 xcb_change_window_attributes(conn, win->id,
2612                         XCB_CW_BORDER_PIXEL,
2613                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2614                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2615                     win->ws->always_raise)
2616                         map_window_raised(win->id);
2617
2618                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2619                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2620                         &win->id);
2621         }
2622
2623         bar_update();
2624 }
2625
2626 void
2627 switchws(struct swm_region *r, union arg *args)
2628 {
2629         int                     wsid = args->id, unmap_old = 0;
2630         struct swm_region       *this_r, *other_r;
2631         struct ws_win           *win;
2632         struct workspace        *new_ws, *old_ws;
2633         union arg               a;
2634
2635         if (!(r && r->s))
2636                 return;
2637
2638         if (wsid >= workspace_limit)
2639                 return;
2640
2641         this_r = r;
2642         old_ws = this_r->ws;
2643         new_ws = &this_r->s->ws[wsid];
2644
2645         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2646             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2647
2648         if (new_ws == NULL || old_ws == NULL)
2649                 return;
2650         if (new_ws == old_ws)
2651                 return;
2652
2653         other_r = new_ws->r;
2654         if (other_r == NULL) {
2655                 /* the other workspace is hidden, hide this one */
2656                 old_ws->r = NULL;
2657                 unmap_old = 1;
2658         } else {
2659                 /* the other ws is visible in another region, exchange them */
2660                 other_r->ws_prior = new_ws;
2661                 other_r->ws = old_ws;
2662                 old_ws->r = other_r;
2663         }
2664         this_r->ws_prior = old_ws;
2665         this_r->ws = new_ws;
2666         new_ws->r = this_r;
2667
2668         /* this is needed so that we can click on a window after a restart */
2669         unfocus_all();
2670
2671         stack();
2672         a.id = SWM_ARG_ID_FOCUSCUR;
2673         focus(new_ws->r, &a);
2674
2675         /* unmap old windows */
2676         if (unmap_old)
2677                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2678                         unmap_window(win);
2679
2680         if (focus_mode == SWM_FOCUS_DEFAULT)
2681                 drain_enter_notify();
2682 }
2683
2684 void
2685 cyclews(struct swm_region *r, union arg *args)
2686 {
2687         union                   arg a;
2688         struct swm_screen       *s = r->s;
2689         int                     cycle_all = 0;
2690
2691         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2692             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2693
2694         a.id = r->ws->idx;
2695         do {
2696                 switch (args->id) {
2697                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2698                         cycle_all = 1;
2699                         /* FALLTHROUGH */
2700                 case SWM_ARG_ID_CYCLEWS_UP:
2701                         if (a.id < workspace_limit - 1)
2702                                 a.id++;
2703                         else
2704                                 a.id = 0;
2705                         break;
2706                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2707                         cycle_all = 1;
2708                         /* FALLTHROUGH */
2709                 case SWM_ARG_ID_CYCLEWS_DOWN:
2710                         if (a.id > 0)
2711                                 a.id--;
2712                         else
2713                                 a.id = workspace_limit - 1;
2714                         break;
2715                 default:
2716                         return;
2717                 };
2718
2719                 if (!cycle_all &&
2720                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2721                         continue;
2722                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2723                         continue;
2724
2725                 switchws(r, &a);
2726         } while (a.id != r->ws->idx);
2727 }
2728
2729 void
2730 priorws(struct swm_region *r, union arg *args)
2731 {
2732         union arg               a;
2733
2734         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2735             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2736
2737         if (r->ws_prior == NULL)
2738                 return;
2739
2740         a.id = r->ws_prior->idx;
2741         switchws(r, &a);
2742 }
2743
2744 void
2745 cyclescr(struct swm_region *r, union arg *args)
2746 {
2747         struct swm_region       *rr = NULL;
2748         union arg               a;
2749         int                     i, x, y, num_screens;
2750
2751         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2752         /* do nothing if we don't have more than one screen */
2753         if (!(num_screens > 1 || outputs > 1))
2754                 return;
2755
2756         i = r->s->idx;
2757         switch (args->id) {
2758         case SWM_ARG_ID_CYCLESC_UP:
2759                 rr = TAILQ_NEXT(r, entry);
2760                 if (rr == NULL)
2761                         rr = TAILQ_FIRST(&screens[i].rl);
2762                 break;
2763         case SWM_ARG_ID_CYCLESC_DOWN:
2764                 rr = TAILQ_PREV(r, swm_region_list, entry);
2765                 if (rr == NULL)
2766                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2767                 break;
2768         default:
2769                 return;
2770         };
2771         if (rr == NULL)
2772                 return;
2773
2774         /* move mouse to region */
2775         x = X(rr) + 1;
2776         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2777         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2778                 x, y);
2779
2780         a.id = SWM_ARG_ID_FOCUSCUR;
2781         focus(rr, &a);
2782
2783         if (rr->ws->focus) {
2784                 /* move to focus window */
2785                 x = X(rr->ws->focus) + 1;
2786                 y = Y(rr->ws->focus) + 1;
2787                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2788                         0, x, y);
2789         }
2790 }
2791
2792 void
2793 sort_windows(struct ws_win_list *wl)
2794 {
2795         struct ws_win           *win, *parent, *nxt;
2796
2797         if (wl == NULL)
2798                 return;
2799
2800         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2801                 nxt = TAILQ_NEXT(win, entry);
2802                 if (win->transient) {
2803                         parent = find_window(win->transient);
2804                         if (parent == NULL) {
2805                                 warnx("not possible bug");
2806                                 continue;
2807                         }
2808                         TAILQ_REMOVE(wl, win, entry);
2809                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2810                 }
2811         }
2812
2813 }
2814
2815 void
2816 swapwin(struct swm_region *r, union arg *args)
2817 {
2818         struct ws_win           *target, *source;
2819         struct ws_win           *cur_focus;
2820         struct ws_win_list      *wl;
2821
2822
2823         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2824             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2825
2826         cur_focus = r->ws->focus;
2827         if (cur_focus == NULL)
2828                 return;
2829
2830         source = cur_focus;
2831         wl = &source->ws->winlist;
2832
2833         switch (args->id) {
2834         case SWM_ARG_ID_SWAPPREV:
2835                 if (source->transient)
2836                         source = find_window(source->transient);
2837                 target = TAILQ_PREV(source, ws_win_list, entry);
2838                 if (target && target->transient)
2839                         target = find_window(target->transient);
2840                 TAILQ_REMOVE(wl, source, entry);
2841                 if (target == NULL)
2842                         TAILQ_INSERT_TAIL(wl, source, entry);
2843                 else
2844                         TAILQ_INSERT_BEFORE(target, source, entry);
2845                 break;
2846         case SWM_ARG_ID_SWAPNEXT:
2847                 target = TAILQ_NEXT(source, entry);
2848                 /* move the parent and let the sort handle the move */
2849                 if (source->transient)
2850                         source = find_window(source->transient);
2851                 TAILQ_REMOVE(wl, source, entry);
2852                 if (target == NULL)
2853                         TAILQ_INSERT_HEAD(wl, source, entry);
2854                 else
2855                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2856                 break;
2857         case SWM_ARG_ID_SWAPMAIN:
2858                 target = TAILQ_FIRST(wl);
2859                 if (target == source) {
2860                         if (source->ws->focus_prev != NULL &&
2861                             source->ws->focus_prev != target)
2862                                 source = source->ws->focus_prev;
2863                         else
2864                                 return;
2865                 }
2866                 if (target == NULL || source == NULL)
2867                         return;
2868                 source->ws->focus_prev = target;
2869                 TAILQ_REMOVE(wl, target, entry);
2870                 TAILQ_INSERT_BEFORE(source, target, entry);
2871                 TAILQ_REMOVE(wl, source, entry);
2872                 TAILQ_INSERT_HEAD(wl, source, entry);
2873                 break;
2874         case SWM_ARG_ID_MOVELAST:
2875                 TAILQ_REMOVE(wl, source, entry);
2876                 TAILQ_INSERT_TAIL(wl, source, entry);
2877                 break;
2878         default:
2879                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2880                 return;
2881         }
2882
2883         sort_windows(wl);
2884
2885         stack();
2886 }
2887
2888 void
2889 focus_prev(struct ws_win *win)
2890 {
2891         struct ws_win           *winfocus = NULL;
2892         struct ws_win           *cur_focus = NULL;
2893         struct ws_win_list      *wl = NULL;
2894         struct workspace        *ws = NULL;
2895
2896         if (!(win && win->ws))
2897                 return;
2898
2899         ws = win->ws;
2900         wl = &ws->winlist;
2901         cur_focus = ws->focus;
2902
2903         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2904             WINID(win), WINID(cur_focus));
2905
2906         /* pickle, just focus on whatever */
2907         if (cur_focus == NULL) {
2908                 /* use prev_focus if valid */
2909                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2910                     find_window(WINID(ws->focus_prev)))
2911                         winfocus = ws->focus_prev;
2912                 goto done;
2913         }
2914
2915         /* if transient focus on parent */
2916         if (cur_focus->transient) {
2917                 winfocus = find_window(cur_focus->transient);
2918                 goto done;
2919         }
2920
2921         /* if in max_stack try harder */
2922         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2923             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2924                 if (cur_focus != ws->focus_prev)
2925                         winfocus = ws->focus_prev;
2926                 else
2927                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2928                 if (winfocus)
2929                         goto done;
2930         }
2931
2932         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2933
2934         if (winfocus == NULL || winfocus == win) {
2935                 switch (focus_close) {
2936                 case SWM_STACK_BOTTOM:
2937                         winfocus = TAILQ_FIRST(wl);
2938                         break;
2939                 case SWM_STACK_TOP:
2940                         winfocus = TAILQ_LAST(wl, ws_win_list);
2941                         break;
2942                 case SWM_STACK_ABOVE:
2943                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2944                                 if (focus_close_wrap)
2945                                         winfocus = TAILQ_FIRST(wl);
2946                                 else
2947                                         winfocus = TAILQ_PREV(cur_focus,
2948                                             ws_win_list, entry);
2949                         }
2950                         break;
2951                 case SWM_STACK_BELOW:
2952                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2953                             entry)) == NULL) {
2954                                 if (focus_close_wrap)
2955                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2956                                 else
2957                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2958                         }
2959                         break;
2960                 }
2961         }
2962 done:
2963         if (winfocus == NULL) {
2964                 if (focus_default == SWM_STACK_TOP)
2965                         winfocus = TAILQ_LAST(wl, ws_win_list);
2966                 else
2967                         winfocus = TAILQ_FIRST(wl);
2968         }
2969
2970         kill_refs(win);
2971         focus_magic(winfocus);
2972 }
2973
2974 void
2975 focus(struct swm_region *r, union arg *args)
2976 {
2977         struct ws_win           *winfocus = NULL, *head;
2978         struct ws_win           *cur_focus = NULL;
2979         struct ws_win_list      *wl = NULL;
2980         struct workspace        *ws = NULL;
2981         int                     all_iconics;
2982
2983         if (!(r && r->ws))
2984                 return;
2985
2986         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2987
2988         /* treat FOCUS_CUR special */
2989         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2990                 if (r->ws->focus && r->ws->focus->iconic == 0)
2991                         winfocus = r->ws->focus;
2992                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2993                         winfocus = r->ws->focus_prev;
2994                 else
2995                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2996                                 if (winfocus->iconic == 0)
2997                                         break;
2998
2999                 focus_magic(winfocus);
3000                 return;
3001         }
3002
3003         if ((cur_focus = r->ws->focus) == NULL)
3004                 return;
3005         ws = r->ws;
3006         wl = &ws->winlist;
3007         if (TAILQ_EMPTY(wl))
3008                 return;
3009         /* make sure there is at least one uniconified window */
3010         all_iconics = 1;
3011         TAILQ_FOREACH(winfocus, wl, entry)
3012                 if (winfocus->iconic == 0) {
3013                         all_iconics = 0;
3014                         break;
3015                 }
3016         if (all_iconics)
3017                 return;
3018
3019         switch (args->id) {
3020         case SWM_ARG_ID_FOCUSPREV:
3021                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3022                 if (head == NULL)
3023                         head = TAILQ_LAST(wl, ws_win_list);
3024                 winfocus = head;
3025                 if (WINID(winfocus) == cur_focus->transient) {
3026                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3027                         if (head == NULL)
3028                                 head = TAILQ_LAST(wl, ws_win_list);
3029                         winfocus = head;
3030                 }
3031
3032                 /* skip iconics */
3033                 if (winfocus && winfocus->iconic) {
3034                         while (winfocus != cur_focus) {
3035                                 if (winfocus == NULL)
3036                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3037                                 if (winfocus->iconic == 0)
3038                                         break;
3039                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3040                                     entry);
3041                         }
3042                 }
3043                 break;
3044
3045         case SWM_ARG_ID_FOCUSNEXT:
3046                 head = TAILQ_NEXT(cur_focus, entry);
3047                 if (head == NULL)
3048                         head = TAILQ_FIRST(wl);
3049                 winfocus = head;
3050
3051                 /* skip iconics */
3052                 if (winfocus && winfocus->iconic) {
3053                         while (winfocus != cur_focus) {
3054                                 if (winfocus == NULL)
3055                                         winfocus = TAILQ_FIRST(wl);
3056                                 if (winfocus->iconic == 0)
3057                                         break;
3058                                 winfocus = TAILQ_NEXT(winfocus, entry);
3059                         }
3060                 }
3061                 break;
3062
3063         case SWM_ARG_ID_FOCUSMAIN:
3064                 winfocus = TAILQ_FIRST(wl);
3065                 if (winfocus == cur_focus)
3066                         winfocus = cur_focus->ws->focus_prev;
3067                 break;
3068
3069         default:
3070                 return;
3071         }
3072
3073         focus_magic(winfocus);
3074 }
3075
3076 void
3077 cycle_layout(struct swm_region *r, union arg *args)
3078 {
3079         struct workspace        *ws = r->ws;
3080         union arg               a;
3081
3082         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3083
3084         ws->cur_layout++;
3085         if (ws->cur_layout->l_stack == NULL)
3086                 ws->cur_layout = &layouts[0];
3087
3088         stack();
3089         if (focus_mode == SWM_FOCUS_DEFAULT)
3090                 drain_enter_notify();
3091         a.id = SWM_ARG_ID_FOCUSCUR;
3092         focus(r, &a);
3093 }
3094
3095 void
3096 stack_config(struct swm_region *r, union arg *args)
3097 {
3098         struct workspace        *ws = r->ws;
3099
3100         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3101             args->id, ws->idx);
3102
3103         if (ws->cur_layout->l_config != NULL)
3104                 ws->cur_layout->l_config(ws, args->id);
3105
3106         if (args->id != SWM_ARG_ID_STACKINIT)
3107                 stack();
3108         bar_update();
3109 }
3110
3111 void
3112 stack(void) {
3113         struct swm_geometry     g;
3114         struct swm_region       *r;
3115         int                     i, num_screens;
3116 #ifdef SWM_DEBUG
3117         int j;
3118 #endif
3119
3120         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3121
3122         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3123         for (i = 0; i < num_screens; i++) {
3124 #ifdef SWM_DEBUG
3125                 j = 0;
3126 #endif
3127                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3128                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3129                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3130
3131                         /* start with screen geometry, adjust for bar */
3132                         g = r->g;
3133                         g.w -= 2 * border_width;
3134                         g.h -= 2 * border_width;
3135                         if (bar_enabled) {
3136                                 if (!bar_at_bottom)
3137                                         g.y += bar_height;
3138                                 g.h -= bar_height;
3139                         }
3140                         r->ws->cur_layout->l_stack(r->ws, &g);
3141                         r->ws->cur_layout->l_string(r->ws);
3142                         /* save r so we can track region changes */
3143                         r->ws->old_r = r;
3144                 }
3145         }
3146         if (font_adjusted)
3147                 font_adjusted--;
3148
3149         if (focus_mode == SWM_FOCUS_DEFAULT)
3150                 drain_enter_notify();
3151
3152         DNPRINTF(SWM_D_STACK, "stack: end\n");
3153 }
3154
3155 void
3156 store_float_geom(struct ws_win *win, struct swm_region *r)
3157 {
3158         /* retain window geom and region geom */
3159         win->g_float = win->g;
3160         win->g_float.x -= X(r);
3161         win->g_float.y -= Y(r);
3162         win->g_floatvalid = 1;
3163         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3164             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3165             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3166             win->g_float.w, win->g_float.h);
3167 }
3168
3169 void
3170 stack_floater(struct ws_win *win, struct swm_region *r)
3171 {
3172         if (win == NULL)
3173                 return;
3174
3175         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3176
3177         /*
3178          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3179          * geom on ws switches or return from max mode
3180          */
3181         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3182             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3183                 /* refloat at last floating relative position */
3184                 win->g = win->g_float;
3185                 X(win) += X(r);
3186                 Y(win) += Y(r);
3187         }
3188
3189         win->floatmaxed = 0;
3190
3191         /*
3192          * if set to fullscreen mode, configure window to maximum size.
3193          */
3194         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3195                 if (!win->g_floatvalid)
3196                         store_float_geom(win, win->ws->r);
3197
3198                 win->g = win->ws->r->g;
3199         }
3200
3201         /*
3202          * remove border on fullscreen floater when in fullscreen mode or when
3203          * the quirk is present.
3204          */
3205         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3206             ((win->quirks & SWM_Q_FULLSCREEN) &&
3207              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3208                 if (win->bordered) {
3209                         win->bordered = 0;
3210                         X(win) += border_width;
3211                         Y(win) += border_width;
3212                 }
3213         } else if (!win->bordered) {
3214                 win->bordered = 1;
3215                 X(win) -= border_width;
3216                 Y(win) -= border_width;
3217         }
3218
3219         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3220                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3221                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3222         }
3223
3224         if (!win->manual) {
3225                 /*
3226                  * floaters and transients are auto-centred unless moved
3227                  * or resized
3228                  */
3229                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3230                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3231         }
3232
3233         /* keep window within region bounds */
3234         constrain_window(win, r, 0);
3235
3236         update_window(win);
3237 }
3238
3239 /*
3240  * Send keystrokes to terminal to decrease/increase the font size as the
3241  * window size changes.
3242  */
3243 void
3244 adjust_font(struct ws_win *win)
3245 {
3246         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3247             win->floating || win->transient)
3248                 return;
3249
3250         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3251             WIDTH(win) / win->sh.width_inc < term_width &&
3252             win->font_steps < SWM_MAX_FONT_STEPS) {
3253                 win->font_size_boundary[win->font_steps] =
3254                     (win->sh.width_inc * term_width) + win->sh.base_width;
3255                 win->font_steps++;
3256                 font_adjusted++;
3257                 win->last_inc = win->sh.width_inc;
3258                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3259         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3260             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3261                 win->font_steps--;
3262                 font_adjusted++;
3263                 win->last_inc = win->sh.width_inc;
3264                 fake_keypress(win, XK_KP_Add, ShiftMask);
3265         }
3266 }
3267
3268 #define SWAPXY(g)       do {                            \
3269         int tmp;                                        \
3270         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3271         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3272 } while (0)
3273 void
3274 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3275 {
3276         XWindowAttributes       wa;
3277         struct swm_geometry     win_g, r_g = *g;
3278         struct ws_win           *win, *fs_win = NULL;
3279         int                     i, j, s, stacks;
3280         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3281         int                     hrh, extra = 0, h_slice, last_h = 0;
3282         int                     split, colno, winno, mwin, msize, mscale;
3283         int                     remain, missing, v_slice, reconfigure;
3284         int                     bordered = 1;
3285
3286         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3287             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3288
3289         winno = count_win(ws, 0);
3290         if (winno == 0 && count_win(ws, 1) == 0)
3291                 return;
3292
3293         TAILQ_FOREACH(win, &ws->winlist, entry)
3294                 if (win->transient == 0 && win->floating == 0
3295                     && win->iconic == 0)
3296                         break;
3297
3298         if (win == NULL)
3299                 goto notiles;
3300
3301         if (rot) {
3302                 w_inc = win->sh.width_inc;
3303                 w_base = win->sh.base_width;
3304                 mwin = ws->l_state.horizontal_mwin;
3305                 mscale = ws->l_state.horizontal_msize;
3306                 stacks = ws->l_state.horizontal_stacks;
3307                 SWAPXY(&r_g);
3308         } else {
3309                 w_inc = win->sh.height_inc;
3310                 w_base = win->sh.base_height;
3311                 mwin = ws->l_state.vertical_mwin;
3312                 mscale = ws->l_state.vertical_msize;
3313                 stacks = ws->l_state.vertical_stacks;
3314         }
3315         win_g = r_g;
3316
3317         if (stacks > winno - mwin)
3318                 stacks = winno - mwin;
3319         if (stacks < 1)
3320                 stacks = 1;
3321
3322         h_slice = r_g.h / SWM_H_SLICE;
3323         if (mwin && winno > mwin) {
3324                 v_slice = r_g.w / SWM_V_SLICE;
3325
3326                 split = mwin;
3327                 colno = split;
3328                 win_g.w = v_slice * mscale;
3329
3330                 if (w_inc > 1 && w_inc < v_slice) {
3331                         /* adjust for window's requested size increment */
3332                         remain = (win_g.w - w_base) % w_inc;
3333                         win_g.w -= remain;
3334                 }
3335
3336                 msize = win_g.w;
3337                 if (flip)
3338                         win_g.x += r_g.w - msize;
3339         } else {
3340                 msize = -2;
3341                 colno = split = winno / stacks;
3342                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3343                     2 * border_width) / stacks);
3344         }
3345         hrh = r_g.h / colno;
3346         extra = r_g.h - (colno * hrh);
3347         win_g.h = hrh - 2 * border_width;
3348
3349         /*  stack all the tiled windows */
3350         i = j = 0, s = stacks;
3351         TAILQ_FOREACH(win, &ws->winlist, entry) {
3352                 if (win->transient != 0 || win->floating != 0)
3353                         continue;
3354                 if (win->iconic != 0)
3355                         continue;
3356
3357                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3358                         fs_win = win;
3359                         continue;
3360                 }
3361
3362                 if (split && i == split) {
3363                         colno = (winno - mwin) / stacks;
3364                         if (s <= (winno - mwin) % stacks)
3365                                 colno++;
3366                         split = split + colno;
3367                         hrh = (r_g.h / colno);
3368                         extra = r_g.h - (colno * hrh);
3369                         if (flip)
3370                                 win_g.x = r_g.x;
3371                         else
3372                                 win_g.x += win_g.w + 2 * border_width;
3373                         win_g.w = (r_g.w - msize -
3374                             (stacks * 2 * border_width)) / stacks;
3375                         if (s == 1)
3376                                 win_g.w += (r_g.w - msize -
3377                                     (stacks * 2 * border_width)) % stacks;
3378                         s--;
3379                         j = 0;
3380                 }
3381                 win_g.h = hrh - 2 * border_width;
3382                 if (rot) {
3383                         h_inc = win->sh.width_inc;
3384                         h_base = win->sh.base_width;
3385                 } else {
3386                         h_inc = win->sh.height_inc;
3387                         h_base = win->sh.base_height;
3388                 }
3389                 if (j == colno - 1) {
3390                         win_g.h = hrh + extra;
3391                 } else if (h_inc > 1 && h_inc < h_slice) {
3392                         /* adjust for window's requested size increment */
3393                         remain = (win_g.h - h_base) % h_inc;
3394                         missing = h_inc - remain;
3395
3396                         if (missing <= extra || j == 0) {
3397                                 extra -= missing;
3398                                 win_g.h += missing;
3399                         } else {
3400                                 win_g.h -= remain;
3401                                 extra += remain;
3402                         }
3403                 }
3404
3405                 if (j == 0)
3406                         win_g.y = r_g.y;
3407                 else
3408                         win_g.y += last_h + 2 * border_width;
3409
3410                 if (disable_border && bar_enabled == 0 && winno == 1){
3411                         bordered = 0;
3412                         win_g.w += 2 * border_width;
3413                         win_g.h += 2 * border_width;
3414                 } else {
3415                         bordered = 1;
3416                 }
3417                 if (rot) {
3418                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3419                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3420                                 reconfigure = 1;
3421                                 X(win) = win_g.y;
3422                                 Y(win) = win_g.x;
3423                                 WIDTH(win) = win_g.h;
3424                                 HEIGHT(win) = win_g.w;
3425                         }
3426                 } else {
3427                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3428                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3429                                 reconfigure = 1;
3430                                 X(win) = win_g.x;
3431                                 Y(win) = win_g.y;
3432                                 WIDTH(win) = win_g.w;
3433                                 HEIGHT(win) = win_g.h;
3434                         }
3435                 }
3436
3437                 if (bordered != win->bordered) {
3438                         reconfigure = 1;
3439                         win->bordered = bordered;
3440                 }
3441
3442                 if (reconfigure) {
3443                         adjust_font(win);
3444                         update_window(win);
3445                 }
3446
3447                 if (XGetWindowAttributes(display, win->id, &wa))
3448                         if (wa.map_state == IsUnmapped)
3449                                 map_window_raised(win->id);
3450
3451                 last_h = win_g.h;
3452                 i++;
3453                 j++;
3454         }
3455
3456 notiles:
3457         /* now, stack all the floaters and transients */
3458         TAILQ_FOREACH(win, &ws->winlist, entry) {
3459                 if (win->transient == 0 && win->floating == 0)
3460                         continue;
3461                 if (win->iconic == 1)
3462                         continue;
3463                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3464                         fs_win = win;
3465                         continue;
3466                 }
3467
3468                 stack_floater(win, ws->r);
3469                 map_window_raised(win->id);
3470         }
3471
3472         if (fs_win) {
3473                 stack_floater(fs_win, ws->r);
3474                 map_window_raised(fs_win->id);
3475         }
3476 }
3477
3478 void
3479 vertical_config(struct workspace *ws, int id)
3480 {
3481         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3482             id, ws->idx);
3483
3484         switch (id) {
3485         case SWM_ARG_ID_STACKRESET:
3486         case SWM_ARG_ID_STACKINIT:
3487                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3488                 ws->l_state.vertical_mwin = 1;
3489                 ws->l_state.vertical_stacks = 1;
3490                 break;
3491         case SWM_ARG_ID_MASTERSHRINK:
3492                 if (ws->l_state.vertical_msize > 1)
3493                         ws->l_state.vertical_msize--;
3494                 break;
3495         case SWM_ARG_ID_MASTERGROW:
3496                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3497                         ws->l_state.vertical_msize++;
3498                 break;
3499         case SWM_ARG_ID_MASTERADD:
3500                 ws->l_state.vertical_mwin++;
3501                 break;
3502         case SWM_ARG_ID_MASTERDEL:
3503                 if (ws->l_state.vertical_mwin > 0)
3504                         ws->l_state.vertical_mwin--;
3505                 break;
3506         case SWM_ARG_ID_STACKINC:
3507                 ws->l_state.vertical_stacks++;
3508                 break;
3509         case SWM_ARG_ID_STACKDEC:
3510                 if (ws->l_state.vertical_stacks > 1)
3511                         ws->l_state.vertical_stacks--;
3512                 break;
3513         case SWM_ARG_ID_FLIPLAYOUT:
3514                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3515                 break;
3516         default:
3517                 return;
3518         }
3519 }
3520
3521 void
3522 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3523 {
3524         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3525
3526         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3527 }
3528
3529 void
3530 horizontal_config(struct workspace *ws, int id)
3531 {
3532         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3533
3534         switch (id) {
3535         case SWM_ARG_ID_STACKRESET:
3536         case SWM_ARG_ID_STACKINIT:
3537                 ws->l_state.horizontal_mwin = 1;
3538                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3539                 ws->l_state.horizontal_stacks = 1;
3540                 break;
3541         case SWM_ARG_ID_MASTERSHRINK:
3542                 if (ws->l_state.horizontal_msize > 1)
3543                         ws->l_state.horizontal_msize--;
3544                 break;
3545         case SWM_ARG_ID_MASTERGROW:
3546                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3547                         ws->l_state.horizontal_msize++;
3548                 break;
3549         case SWM_ARG_ID_MASTERADD:
3550                 ws->l_state.horizontal_mwin++;
3551                 break;
3552         case SWM_ARG_ID_MASTERDEL:
3553                 if (ws->l_state.horizontal_mwin > 0)
3554                         ws->l_state.horizontal_mwin--;
3555                 break;
3556         case SWM_ARG_ID_STACKINC:
3557                 ws->l_state.horizontal_stacks++;
3558                 break;
3559         case SWM_ARG_ID_STACKDEC:
3560                 if (ws->l_state.horizontal_stacks > 1)
3561                         ws->l_state.horizontal_stacks--;
3562                 break;
3563         case SWM_ARG_ID_FLIPLAYOUT:
3564                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3565                 break;
3566         default:
3567                 return;
3568         }
3569 }
3570
3571 void
3572 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3573 {
3574         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3575
3576         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3577 }
3578
3579 /* fullscreen view */
3580 void
3581 max_stack(struct workspace *ws, struct swm_geometry *g)
3582 {
3583         struct swm_geometry     gg = *g;
3584         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3585         int                     winno, num_screens;
3586
3587         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3588
3589         if (ws == NULL)
3590                 return;
3591
3592         winno = count_win(ws, 0);
3593         if (winno == 0 && count_win(ws, 1) == 0)
3594                 return;
3595
3596         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3597         TAILQ_FOREACH(win, &ws->winlist, entry) {
3598                 if (win->transient) {
3599                         wintrans = win;
3600                         parent = find_window(win->transient);
3601                         continue;
3602                 }
3603
3604                 if (win->floating && win->floatmaxed == 0 ) {
3605                         /*
3606                          * retain geometry for retrieval on exit from
3607                          * max_stack mode
3608                          */
3609                         store_float_geom(win, ws->r);
3610                         win->floatmaxed = 1;
3611                 }
3612
3613                 /* only reconfigure if necessary */
3614                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3615                     HEIGHT(win) != gg.h) {
3616                         win->g = gg;
3617                         if (bar_enabled){
3618                                 win->bordered = 1;
3619                         } else {
3620                                 win->bordered = 0;
3621                                 WIDTH(win) += 2 * border_width;
3622                                 HEIGHT(win) += 2 * border_width;
3623                         }
3624
3625                         update_window(win);
3626                 }
3627                 /* unmap only if we don't have multi screen */
3628                 if (win != ws->focus)
3629                         if (!(num_screens > 1 || outputs > 1))
3630                                 unmap_window(win);
3631         }
3632
3633         /* put the last transient on top */
3634         if (wintrans) {
3635                 if (parent)
3636                         map_window_raised(parent->id);
3637                 stack_floater(wintrans, ws->r);
3638                 focus_magic(wintrans);
3639         }
3640 }
3641
3642 void
3643 send_to_ws(struct swm_region *r, union arg *args)
3644 {
3645         int                     wsid = args->id;
3646         struct ws_win           *win = NULL, *parent;
3647         struct workspace        *ws, *nws;
3648         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3649         char                    ws_idx_str[SWM_PROPLEN];
3650         union arg               a;
3651
3652         if (wsid >= workspace_limit)
3653                 return;
3654
3655         if (r && r->ws && r->ws->focus)
3656                 win = r->ws->focus;
3657         else
3658                 return;
3659         if (win == NULL)
3660                 return;
3661         if (win->ws->idx == wsid)
3662                 return;
3663
3664         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3665
3666         ws = win->ws;
3667         nws = &win->s->ws[wsid];
3668
3669         a.id = SWM_ARG_ID_FOCUSPREV;
3670         focus(r, &a);
3671         if (win->transient) {
3672                 parent = find_window(win->transient);
3673                 if (parent) {
3674                         unmap_window(parent);
3675                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3676                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3677                         parent->ws = nws;
3678                 }
3679         }
3680         unmap_window(win);
3681         TAILQ_REMOVE(&ws->winlist, win, entry);
3682         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3683         if (TAILQ_EMPTY(&ws->winlist))
3684                 r->ws->focus = NULL;
3685         win->ws = nws;
3686
3687         /* Try to update the window's workspace property */
3688         ws_idx_atom = get_atom_from_string("_SWM_WS");
3689         if (ws_idx_atom &&
3690             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3691                 SWM_PROPLEN) {
3692                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3693                     ws_idx_str);
3694                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3695                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3696                         ws_idx_str);
3697         }
3698
3699         stack();
3700         bar_update();
3701 }
3702
3703 void
3704 pressbutton(struct swm_region *r, union arg *args)
3705 {
3706         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3707         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3708 }
3709
3710 void
3711 raise_toggle(struct swm_region *r, union arg *args)
3712 {
3713         if (r == NULL || r->ws == NULL)
3714                 return;
3715
3716         r->ws->always_raise = !r->ws->always_raise;
3717
3718         /* bring floaters back to top */
3719         if (r->ws->always_raise == 0)
3720                 stack();
3721 }
3722
3723 void
3724 iconify(struct swm_region *r, union arg *args)
3725 {
3726         union arg a;
3727
3728         if (r->ws->focus == NULL)
3729                 return;
3730         unmap_window(r->ws->focus);
3731         update_iconic(r->ws->focus, 1);
3732         stack();
3733         if (focus_mode == SWM_FOCUS_DEFAULT)
3734                 drain_enter_notify();
3735         r->ws->focus = NULL;
3736         a.id = SWM_ARG_ID_FOCUSCUR;
3737         focus(r, &a);
3738 }
3739
3740 char *
3741 get_win_name(xcb_window_t win)
3742 {
3743         char                            *name = NULL;
3744         xcb_get_property_cookie_t       c;
3745         xcb_get_text_property_reply_t   r;
3746
3747         c = xcb_icccm_get_wm_name(conn, win);
3748         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3749                 name = malloc(r.name_len + 1);
3750                 if (!name) {
3751                         xcb_get_text_property_reply_wipe(&r);
3752                         return (NULL);
3753                 }
3754                 memcpy(name, r.name, r.name_len);
3755                 name[r.name_len] = '\0';
3756         }
3757
3758         xcb_get_text_property_reply_wipe(&r);
3759
3760         return (name);
3761 }
3762
3763 void
3764 uniconify(struct swm_region *r, union arg *args)
3765 {
3766         struct ws_win           *win;
3767         FILE                    *lfile;
3768         char                    *name;
3769         int                     count = 0;
3770
3771         DNPRINTF(SWM_D_MISC, "uniconify\n");
3772
3773         if (r == NULL || r->ws == NULL)
3774                 return;
3775
3776         /* make sure we have anything to uniconify */
3777         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3778                 if (win->ws == NULL)
3779                         continue; /* should never happen */
3780                 if (win->iconic == 0)
3781                         continue;
3782                 count++;
3783         }
3784         if (count == 0)
3785                 return;
3786
3787         search_r = r;
3788         search_resp_action = SWM_SEARCH_UNICONIFY;
3789
3790         spawn_select(r, args, "search", &searchpid);
3791
3792         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3793                 return;
3794
3795         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3796                 if (win->ws == NULL)
3797                         continue; /* should never happen */
3798                 if (win->iconic == 0)
3799                         continue;
3800
3801                 name = get_win_name(win->id);
3802                 if (name == NULL)
3803                         continue;
3804                 fprintf(lfile, "%s.%u\n", name, win->id);
3805                 free(name);
3806         }
3807
3808         fclose(lfile);
3809 }
3810
3811 void
3812 name_workspace(struct swm_region *r, union arg *args)
3813 {
3814         FILE                    *lfile;
3815
3816         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3817
3818         if (r == NULL)
3819                 return;
3820
3821         search_r = r;
3822         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3823
3824         spawn_select(r, args, "name_workspace", &searchpid);
3825
3826         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3827                 return;
3828
3829         fprintf(lfile, "%s", "");
3830         fclose(lfile);
3831 }
3832
3833 void
3834 search_workspace(struct swm_region *r, union arg *args)
3835 {
3836         int                     i;
3837         struct workspace        *ws;
3838         FILE                    *lfile;
3839
3840         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3841
3842         if (r == NULL)
3843                 return;
3844
3845         search_r = r;
3846         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3847
3848         spawn_select(r, args, "search", &searchpid);
3849
3850         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3851                 return;
3852
3853         for (i = 0; i < workspace_limit; i++) {
3854                 ws = &r->s->ws[i];
3855                 if (ws == NULL)
3856                         continue;
3857                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3858                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3859         }
3860
3861         fclose(lfile);
3862 }
3863
3864 void
3865 search_win_cleanup(void)
3866 {
3867         struct search_window    *sw = NULL;
3868
3869         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3870                 xcb_destroy_window(conn, sw->indicator);
3871                 xcb_free_gc(conn, sw->gc);
3872                 TAILQ_REMOVE(&search_wl, sw, entry);
3873                 free(sw);
3874         }
3875 }
3876
3877 void
3878 search_win(struct swm_region *r, union arg *args)
3879 {
3880         struct ws_win           *win = NULL;
3881         struct search_window    *sw = NULL;
3882         xcb_window_t            w;
3883         uint32_t                gcv[1], wa[2];
3884         int                     i;
3885         char                    s[8];
3886         FILE                    *lfile;
3887         size_t                  len;
3888         XRectangle              ibox, lbox;
3889         xcb_screen_t            *screen;
3890         DNPRINTF(SWM_D_MISC, "search_win\n");
3891
3892         search_r = r;
3893         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3894
3895         spawn_select(r, args, "search", &searchpid);
3896
3897         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3898                 return;
3899
3900         TAILQ_INIT(&search_wl);
3901
3902         i = 1;
3903         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3904                 if (win->iconic == 1)
3905                         continue;
3906
3907                 sw = calloc(1, sizeof(struct search_window));
3908                 if (sw == NULL) {
3909                         warn("search_win: calloc");
3910                         fclose(lfile);
3911                         search_win_cleanup();
3912                         return;
3913                 }
3914                 sw->idx = i;
3915                 sw->win = win;
3916                 screen = get_screen(sw->idx);
3917
3918                 snprintf(s, sizeof s, "%d", i);
3919                 len = strlen(s);
3920
3921                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3922
3923                 w = xcb_generate_id(conn);
3924                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3925                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3926                 xcb_create_window(conn, screen->root_depth, w, win->id,
3927                         0, 0, lbox.width + 4,
3928                         bar_fs_extents->max_logical_extent.height, 1,
3929                         XCB_WINDOW_CLASS_INPUT_OUTPUT, screen->root_visual,
3930                         XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3931
3932                 sw->indicator = w;
3933                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3934
3935                 sw->gc = xcb_generate_id(conn);
3936                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3937                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND, gcv);
3938                 map_window_raised(w);
3939
3940                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3941                     (bar_fs_extents->max_logical_extent.height -
3942                     lbox.height) / 2 - lbox.y, s);
3943
3944                 fprintf(lfile, "%d\n", i);
3945                 i++;
3946         }
3947
3948         fclose(lfile);
3949 }
3950
3951 void
3952 search_resp_uniconify(char *resp, unsigned long len)
3953 {
3954         char                    *name;
3955         struct ws_win           *win;
3956         char                    *s;
3957
3958         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3959
3960         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3961                 if (win->iconic == 0)
3962                         continue;
3963                 name = get_win_name(win->id);
3964                 if (name == NULL)
3965                         continue;
3966                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3967                         free(name);
3968                         continue;
3969                 }
3970                 free(name);
3971                 if (strncmp(s, resp, len) == 0) {
3972                         /* XXX this should be a callback to generalize */
3973                         update_iconic(win, 0);
3974                         free(s);
3975                         break;
3976                 }
3977                 free(s);
3978         }
3979 }
3980
3981 void
3982 search_resp_name_workspace(char *resp, unsigned long len)
3983 {
3984         struct workspace        *ws;
3985
3986         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3987
3988         if (search_r->ws == NULL)
3989                 return;
3990         ws = search_r->ws;
3991
3992         if (ws->name) {
3993                 free(search_r->ws->name);
3994                 search_r->ws->name = NULL;
3995         }
3996
3997         if (len > 1) {
3998                 ws->name = strdup(resp);
3999                 if (ws->name == NULL) {
4000                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4001                             "strdup: %s", strerror(errno));
4002                         return;
4003                 }
4004         }
4005 }
4006
4007 void
4008 search_resp_search_workspace(char *resp, unsigned long len)
4009 {
4010         char                    *p, *q;
4011         int                     ws_idx;
4012         const char              *errstr;
4013         union arg               a;
4014
4015         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4016
4017         q = strdup(resp);
4018         if (!q) {
4019                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4020                     strerror(errno));
4021                 return;
4022         }
4023         p = strchr(q, ':');
4024         if (p != NULL)
4025                 *p = '\0';
4026         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
4027         if (errstr) {
4028                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4029                     errstr, q);
4030                 free(q);
4031                 return;
4032         }
4033         free(q);
4034         a.id = ws_idx - 1;
4035         switchws(search_r, &a);
4036 }
4037
4038 void
4039 search_resp_search_window(char *resp, unsigned long len)
4040 {
4041         char                    *s;
4042         int                     idx;
4043         const char              *errstr;
4044         struct search_window    *sw;
4045
4046         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4047
4048         s = strdup(resp);
4049         if (!s) {
4050                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4051                     strerror(errno));
4052                 return;
4053         }
4054
4055         idx = strtonum(s, 1, INT_MAX, &errstr);
4056         if (errstr) {
4057                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4058                     errstr, s);
4059                 free(s);
4060                 return;
4061         }
4062         free(s);
4063
4064         TAILQ_FOREACH(sw, &search_wl, entry)
4065                 if (idx == sw->idx) {
4066                         focus_win(sw->win);
4067                         break;
4068                 }
4069 }
4070
4071 #define MAX_RESP_LEN    1024
4072
4073 void
4074 search_do_resp(void)
4075 {
4076         ssize_t                 rbytes;
4077         char                    *resp;
4078         unsigned long           len;
4079
4080         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4081
4082         search_resp = 0;
4083         searchpid = 0;
4084
4085         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4086                 warn("search: calloc");
4087                 goto done;
4088         }
4089
4090         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4091         if (rbytes <= 0) {
4092                 warn("search: read error");
4093                 goto done;
4094         }
4095         resp[rbytes] = '\0';
4096
4097         /* XXX:
4098          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4099          * newline, so work around that by sanitizing the resp now.
4100          */
4101         resp[strcspn(resp, "\n")] = '\0';
4102         len = strlen(resp);
4103
4104         switch (search_resp_action) {
4105         case SWM_SEARCH_UNICONIFY:
4106                 search_resp_uniconify(resp, len);
4107                 break;
4108         case SWM_SEARCH_NAME_WORKSPACE:
4109                 search_resp_name_workspace(resp, len);
4110                 break;
4111         case SWM_SEARCH_SEARCH_WORKSPACE:
4112                 search_resp_search_workspace(resp, len);
4113                 break;
4114         case SWM_SEARCH_SEARCH_WINDOW:
4115                 search_resp_search_window(resp, len);
4116                 break;
4117         }
4118
4119 done:
4120         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4121                 search_win_cleanup();
4122
4123         search_resp_action = SWM_SEARCH_NONE;
4124         close(select_resp_pipe[0]);
4125         free(resp);
4126 }
4127
4128 void
4129 wkill(struct swm_region *r, union arg *args)
4130 {
4131         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4132
4133         if (r->ws->focus == NULL)
4134                 return;
4135
4136         if (args->id == SWM_ARG_ID_KILLWINDOW)
4137                 xcb_kill_client(conn, r->ws->focus->id);
4138         else
4139                 if (r->ws->focus->can_delete)
4140                         client_msg(r->ws->focus, adelete);
4141 }
4142
4143
4144 int
4145 floating_toggle_win(struct ws_win *win)
4146 {
4147         struct swm_region       *r;
4148
4149         if (win == NULL)
4150                 return (0);
4151
4152         if (!win->ws->r)
4153                 return (0);
4154
4155         r = win->ws->r;
4156
4157         /* reject floating toggles in max stack mode */
4158         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4159                 return (0);
4160
4161         if (win->floating) {
4162                 if (!win->floatmaxed) {
4163                         /* retain position for refloat */
4164                         store_float_geom(win, r);
4165                 }
4166                 win->floating = 0;
4167         } else {
4168                 if (win->g_floatvalid) {
4169                         /* refloat at last floating relative position */
4170                         X(win) = win->g_float.x + X(r);
4171                         Y(win) = win->g_float.y + Y(r);
4172                         WIDTH(win) = win->g_float.w;
4173                         HEIGHT(win) = win->g_float.h;
4174                 }
4175                 win->floating = 1;
4176         }
4177
4178         ewmh_update_actions(win);
4179
4180         return (1);
4181 }
4182
4183 void
4184 floating_toggle(struct swm_region *r, union arg *args)
4185 {
4186         struct ws_win           *win = r->ws->focus;
4187         union arg               a;
4188
4189         if (win == NULL)
4190                 return;
4191
4192         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4193             _NET_WM_STATE_TOGGLE);
4194
4195         stack();
4196         if (focus_mode == SWM_FOCUS_DEFAULT)
4197                 drain_enter_notify();
4198
4199         if (win == win->ws->focus) {
4200                 a.id = SWM_ARG_ID_FOCUSCUR;
4201                 focus(win->ws->r, &a);
4202         }
4203 }
4204
4205 void
4206 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4207 {
4208         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4209                 if (resizable)
4210                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4211                 else
4212                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4213         }
4214
4215         if (X(win) + BORDER(win) < X(r)) {
4216                 if (resizable)
4217                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4218
4219                 X(win) = X(r) - BORDER(win);
4220         }
4221
4222         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4223                 if (resizable)
4224                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4225                 else
4226                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4227         }
4228
4229         if (Y(win) + BORDER(win) < Y(r)) {
4230                 if (resizable)
4231                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4232
4233                 Y(win) = Y(r) - BORDER(win);
4234         }
4235
4236         if (resizable) {
4237                 if (WIDTH(win) < 1)
4238                         WIDTH(win) = 1;
4239                 if (HEIGHT(win) < 1)
4240                         HEIGHT(win) = 1;
4241         }
4242 }
4243
4244 void
4245 update_window(struct ws_win *win)
4246 {
4247         uint16_t        mask;
4248         uint32_t        wc[5];
4249
4250         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4251                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4252                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4253         wc[0] = X(win);
4254         wc[1] = Y(win);
4255         wc[2] = WIDTH(win);
4256         wc[3] = HEIGHT(win);
4257         wc[4] = BORDER(win);
4258
4259         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4260             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4261             wc[3], YESNO(win->bordered));
4262
4263         xcb_configure_window(conn, win->id, mask, wc);
4264 }
4265
4266 #define SWM_RESIZE_STEPS        (50)
4267
4268 void
4269 resize(struct ws_win *win, union arg *args)
4270 {
4271         XEvent                  ev;
4272         Time                    time = 0;
4273         struct swm_region       *r = NULL;
4274         int                     resize_step = 0;
4275         Window                  rr, cr;
4276         int                     x, y, wx, wy;
4277         unsigned int            mask;
4278         struct swm_geometry     g;
4279         int                     top = 0, left = 0;
4280         int                     dx, dy;
4281         Cursor                  cursor;
4282         unsigned int            shape; /* cursor style */
4283
4284         if (win == NULL)
4285                 return;
4286         r = win->ws->r;
4287
4288         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4289                 return;
4290
4291         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%x, floating: %s, "
4292             "transient: 0x%x\n", win->id, YESNO(win->floating),
4293             win->transient);
4294
4295         if (!(win->transient != 0 || win->floating != 0))
4296                 return;
4297
4298         /* reject resizes in max mode for floaters (transient ok) */
4299         if (win->floatmaxed)
4300                 return;
4301
4302         win->manual = 1;
4303         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4304             _NET_WM_STATE_ADD);
4305
4306         stack();
4307
4308         switch (args->id) {
4309         case SWM_ARG_ID_WIDTHSHRINK:
4310                 WIDTH(win) -= SWM_RESIZE_STEPS;
4311                 resize_step = 1;
4312                 break;
4313         case SWM_ARG_ID_WIDTHGROW:
4314                 WIDTH(win) += SWM_RESIZE_STEPS;
4315                 resize_step = 1;
4316                 break;
4317         case SWM_ARG_ID_HEIGHTSHRINK:
4318                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4319                 resize_step = 1;
4320                 break;
4321         case SWM_ARG_ID_HEIGHTGROW:
4322                 HEIGHT(win) += SWM_RESIZE_STEPS;
4323                 resize_step = 1;
4324                 break;
4325         default:
4326                 break;
4327         }
4328         if (resize_step) {
4329                 constrain_window(win, r, 1);
4330                 update_window(win);
4331                 store_float_geom(win,r);
4332                 return;
4333         }
4334
4335         if (focus_mode == SWM_FOCUS_DEFAULT)
4336                 drain_enter_notify();
4337
4338         /* get cursor offset from window root */
4339         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4340             return;
4341
4342         g = win->g;
4343
4344         if (wx < WIDTH(win) / 2)
4345                 left = 1;
4346
4347         if (wy < HEIGHT(win) / 2)
4348                 top = 1;
4349
4350         if (args->id == SWM_ARG_ID_CENTER)
4351                 shape = XC_sizing;
4352         else if (top)
4353                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4354         else
4355                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4356
4357         cursor = XCreateFontCursor(display, shape);
4358
4359         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4360             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4361                 XFreeCursor(display, cursor);
4362                 return;
4363         }
4364
4365         do {
4366                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4367                     SubstructureRedirectMask, &ev);
4368                 switch (ev.type) {
4369                 case ConfigureRequest:
4370                 case Expose:
4371                 case MapRequest:
4372                         handler[ev.type](&ev);
4373                         break;
4374                 case MotionNotify:
4375                         /* cursor offset/delta from start of the operation */
4376                         dx = ev.xmotion.x_root - x;
4377                         dy = ev.xmotion.y_root - y;
4378
4379                         /* vertical */
4380                         if (top)
4381                                 dy = -dy;
4382
4383                         if (args->id == SWM_ARG_ID_CENTER) {
4384                                 if (g.h / 2 + dy < 1)
4385                                         dy = 1 - g.h / 2;
4386
4387                                 Y(win) = g.y - dy;
4388                                 HEIGHT(win) = g.h + 2 * dy;
4389                         } else {
4390                                 if (g.h + dy < 1)
4391                                         dy = 1 - g.h;
4392
4393                                 if (top)
4394                                         Y(win) = g.y - dy;
4395
4396                                 HEIGHT(win) = g.h + dy;
4397                         }
4398
4399                         /* horizontal */
4400                         if (left)
4401                                 dx = -dx;
4402
4403                         if (args->id == SWM_ARG_ID_CENTER) {
4404                                 if (g.w / 2 + dx < 1)
4405                                         dx = 1 - g.w / 2;
4406
4407                                 X(win) = g.x - dx;
4408                                 WIDTH(win) = g.w + 2 * dx;
4409                         } else {
4410                                 if (g.w + dx < 1)
4411                                         dx = 1 - g.w;
4412
4413                                 if (left)
4414                                         X(win) = g.x - dx;
4415
4416                                 WIDTH(win) = g.w + dx;
4417                         }
4418
4419                         constrain_window(win, r, 1);
4420
4421                         /* not free, don't sync more than 120 times / second */
4422                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4423                                 time = ev.xmotion.time;
4424                                 do_sync();
4425                                 update_window(win);
4426                         }
4427                         break;
4428                 }
4429         } while (ev.type != ButtonRelease);
4430         if (time) {
4431                 do_sync();
4432                 update_window(win);
4433         }
4434         store_float_geom(win,r);
4435
4436         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4437         XFreeCursor(display, cursor);
4438
4439         /* drain events */
4440         drain_enter_notify();
4441 }
4442
4443 void
4444 resize_step(struct swm_region *r, union arg *args)
4445 {
4446         struct ws_win           *win = NULL;
4447
4448         if (r && r->ws && r->ws->focus)
4449                 win = r->ws->focus;
4450         else
4451                 return;
4452
4453         resize(win, args);
4454 }
4455
4456 #define SWM_MOVE_STEPS  (50)
4457
4458 void
4459 move(struct ws_win *win, union arg *args)
4460 {
4461         XEvent                  ev;
4462         Time                    time = 0;
4463         int                     move_step = 0;
4464         struct swm_region       *r = NULL;
4465
4466         Window                  rr, cr;
4467         int                     x, y, wx, wy;
4468         unsigned int            mask;
4469
4470         if (win == NULL)
4471                 return;
4472         r = win->ws->r;
4473
4474         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4475                 return;
4476
4477         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%x, floating: %s, transient: "
4478             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4479
4480         /* in max_stack mode should only move transients */
4481         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4482                 return;
4483
4484         win->manual = 1;
4485         if (win->floating == 0 && !win->transient) {
4486                 store_float_geom(win, r);
4487                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4488                     _NET_WM_STATE_ADD);
4489         }
4490         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4491             _NET_WM_STATE_ADD);
4492
4493         stack();
4494
4495         move_step = 0;
4496         switch (args->id) {
4497         case SWM_ARG_ID_MOVELEFT:
4498                 X(win) -= (SWM_MOVE_STEPS - border_width);
4499                 move_step = 1;
4500                 break;
4501         case SWM_ARG_ID_MOVERIGHT:
4502                 X(win) += (SWM_MOVE_STEPS - border_width);
4503                 move_step = 1;
4504                 break;
4505         case SWM_ARG_ID_MOVEUP:
4506                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4507                 move_step = 1;
4508                 break;
4509         case SWM_ARG_ID_MOVEDOWN:
4510                 Y(win) += (SWM_MOVE_STEPS - border_width);
4511                 move_step = 1;
4512                 break;
4513         default:
4514                 break;
4515         }
4516         if (move_step) {
4517                 constrain_window(win, r, 0);
4518                 update_window(win);
4519                 store_float_geom(win, r);
4520                 return;
4521         }
4522
4523         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4524             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4525             CurrentTime) != GrabSuccess)
4526                 return;
4527
4528         /* get cursor offset from window root */
4529         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4530             return;
4531
4532         do {
4533                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4534                     SubstructureRedirectMask, &ev);
4535                 switch (ev.type) {
4536                 case ConfigureRequest:
4537                 case Expose:
4538                 case MapRequest:
4539                         handler[ev.type](&ev);
4540                         break;
4541                 case MotionNotify:
4542                         X(win) = ev.xmotion.x_root - wx - border_width;
4543                         Y(win) = ev.xmotion.y_root - wy - border_width;
4544
4545                         constrain_window(win, r, 0);
4546
4547                         /* not free, don't sync more than 120 times / second */
4548                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4549                                 time = ev.xmotion.time;
4550                                 do_sync();
4551                                 update_window(win);
4552                         }
4553                         break;
4554                 }
4555         } while (ev.type != ButtonRelease);
4556         if (time) {
4557                 do_sync();
4558                 update_window(win);
4559         }
4560         store_float_geom(win, r);
4561         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4562
4563         /* drain events */
4564         drain_enter_notify();
4565 }
4566
4567 void
4568 move_step(struct swm_region *r, union arg *args)
4569 {
4570         struct ws_win           *win = NULL;
4571
4572         if (r && r->ws && r->ws->focus)
4573                 win = r->ws->focus;
4574         else
4575                 return;
4576
4577         if (!(win->transient != 0 || win->floating != 0))
4578                 return;
4579
4580         move(win, args);
4581 }
4582
4583
4584 /* user/key callable function IDs */
4585 enum keyfuncid {
4586         kf_cycle_layout,
4587         kf_flip_layout,
4588         kf_stack_reset,
4589         kf_master_shrink,
4590         kf_master_grow,
4591         kf_master_add,
4592         kf_master_del,
4593         kf_stack_inc,
4594         kf_stack_dec,
4595         kf_swap_main,
4596         kf_focus_next,
4597         kf_focus_prev,
4598         kf_swap_next,
4599         kf_swap_prev,
4600         kf_quit,
4601         kf_restart,
4602         kf_focus_main,
4603         kf_ws_1,
4604         kf_ws_2,
4605         kf_ws_3,
4606         kf_ws_4,
4607         kf_ws_5,
4608         kf_ws_6,
4609         kf_ws_7,
4610         kf_ws_8,
4611         kf_ws_9,
4612         kf_ws_10,
4613         kf_ws_11,
4614         kf_ws_12,
4615         kf_ws_13,
4616         kf_ws_14,
4617         kf_ws_15,
4618         kf_ws_16,
4619         kf_ws_17,
4620         kf_ws_18,
4621         kf_ws_19,
4622         kf_ws_20,
4623         kf_ws_21,
4624         kf_ws_22,
4625         kf_ws_next,
4626         kf_ws_prev,
4627         kf_ws_next_all,
4628         kf_ws_prev_all,
4629         kf_ws_prior,
4630         kf_screen_next,
4631         kf_screen_prev,
4632         kf_mvws_1,
4633         kf_mvws_2,
4634         kf_mvws_3,
4635         kf_mvws_4,
4636         kf_mvws_5,
4637         kf_mvws_6,
4638         kf_mvws_7,
4639         kf_mvws_8,
4640         kf_mvws_9,
4641         kf_mvws_10,
4642         kf_mvws_11,
4643         kf_mvws_12,
4644         kf_mvws_13,
4645         kf_mvws_14,
4646         kf_mvws_15,
4647         kf_mvws_16,
4648         kf_mvws_17,
4649         kf_mvws_18,
4650         kf_mvws_19,
4651         kf_mvws_20,
4652         kf_mvws_21,
4653         kf_mvws_22,
4654         kf_bar_toggle,
4655         kf_wind_kill,
4656         kf_wind_del,
4657         kf_float_toggle,
4658         kf_version,
4659         kf_spawn_custom,
4660         kf_iconify,
4661         kf_uniconify,
4662         kf_raise_toggle,
4663         kf_button2,
4664         kf_width_shrink,
4665         kf_width_grow,
4666         kf_height_shrink,
4667         kf_height_grow,
4668         kf_move_left,
4669         kf_move_right,
4670         kf_move_up,
4671         kf_move_down,
4672         kf_name_workspace,
4673         kf_search_workspace,
4674         kf_search_win,
4675         kf_dumpwins, /* MUST BE LAST */
4676         kf_invalid
4677 };
4678
4679 /* key definitions */
4680 void
4681 dummykeyfunc(struct swm_region *r, union arg *args)
4682 {
4683 };
4684
4685 struct keyfunc {
4686         char                    name[SWM_FUNCNAME_LEN];
4687         void                    (*func)(struct swm_region *r, union arg *);
4688         union arg               args;
4689 } keyfuncs[kf_invalid + 1] = {
4690         /* name                 function        argument */
4691         { "cycle_layout",       cycle_layout,   {0} },
4692         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4693         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4694         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4695         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4696         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4697         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4698         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4699         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4700         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4701         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4702         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4703         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4704         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4705         { "quit",               quit,           {0} },
4706         { "restart",            restart,        {0} },
4707         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4708         { "ws_1",               switchws,       {.id = 0} },
4709         { "ws_2",               switchws,       {.id = 1} },
4710         { "ws_3",               switchws,       {.id = 2} },
4711         { "ws_4",               switchws,       {.id = 3} },
4712         { "ws_5",               switchws,       {.id = 4} },
4713         { "ws_6",               switchws,       {.id = 5} },
4714         { "ws_7",               switchws,       {.id = 6} },
4715         { "ws_8",               switchws,       {.id = 7} },
4716         { "ws_9",               switchws,       {.id = 8} },
4717         { "ws_10",              switchws,       {.id = 9} },
4718         { "ws_11",              switchws,       {.id = 10} },
4719         { "ws_12",              switchws,       {.id = 11} },
4720         { "ws_13",              switchws,       {.id = 12} },
4721         { "ws_14",              switchws,       {.id = 13} },
4722         { "ws_15",              switchws,       {.id = 14} },
4723         { "ws_16",              switchws,       {.id = 15} },
4724         { "ws_17",              switchws,       {.id = 16} },
4725         { "ws_18",              switchws,       {.id = 17} },
4726         { "ws_19",              switchws,       {.id = 18} },
4727         { "ws_20",              switchws,       {.id = 19} },
4728         { "ws_21",              switchws,       {.id = 20} },
4729         { "ws_22",              switchws,       {.id = 21} },
4730         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4731         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4732         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4733         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4734         { "ws_prior",           priorws,        {0} },
4735         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4736         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4737         { "mvws_1",             send_to_ws,     {.id = 0} },
4738         { "mvws_2",             send_to_ws,     {.id = 1} },
4739         { "mvws_3",             send_to_ws,     {.id = 2} },
4740         { "mvws_4",             send_to_ws,     {.id = 3} },
4741         { "mvws_5",             send_to_ws,     {.id = 4} },
4742         { "mvws_6",             send_to_ws,     {.id = 5} },
4743         { "mvws_7",             send_to_ws,     {.id = 6} },
4744         { "mvws_8",             send_to_ws,     {.id = 7} },
4745         { "mvws_9",             send_to_ws,     {.id = 8} },
4746         { "mvws_10",            send_to_ws,     {.id = 9} },
4747         { "mvws_11",            send_to_ws,     {.id = 10} },
4748         { "mvws_12",            send_to_ws,     {.id = 11} },
4749         { "mvws_13",            send_to_ws,     {.id = 12} },
4750         { "mvws_14",            send_to_ws,     {.id = 13} },
4751         { "mvws_15",            send_to_ws,     {.id = 14} },
4752         { "mvws_16",            send_to_ws,     {.id = 15} },
4753         { "mvws_17",            send_to_ws,     {.id = 16} },
4754         { "mvws_18",            send_to_ws,     {.id = 17} },
4755         { "mvws_19",            send_to_ws,     {.id = 18} },
4756         { "mvws_20",            send_to_ws,     {.id = 19} },
4757         { "mvws_21",            send_to_ws,     {.id = 20} },
4758         { "mvws_22",            send_to_ws,     {.id = 21} },
4759         { "bar_toggle",         bar_toggle,     {0} },
4760         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4761         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4762         { "float_toggle",       floating_toggle,{0} },
4763         { "version",            version,        {0} },
4764         { "spawn_custom",       dummykeyfunc,   {0} },
4765         { "iconify",            iconify,        {0} },
4766         { "uniconify",          uniconify,      {0} },
4767         { "raise_toggle",       raise_toggle,   {0} },
4768         { "button2",            pressbutton,    {2} },
4769         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4770         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4771         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4772         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4773         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4774         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4775         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4776         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4777         { "name_workspace",     name_workspace, {0} },
4778         { "search_workspace",   search_workspace,       {0} },
4779         { "search_win",         search_win,     {0} },
4780         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4781         { "invalid key func",   NULL,           {0} },
4782 };
4783 struct key {
4784         RB_ENTRY(key)           entry;
4785         unsigned int            mod;
4786         KeySym                  keysym;
4787         enum keyfuncid          funcid;
4788         char                    *spawn_name;
4789 };
4790 RB_HEAD(key_tree, key);
4791
4792 int
4793 key_cmp(struct key *kp1, struct key *kp2)
4794 {
4795         if (kp1->keysym < kp2->keysym)
4796                 return (-1);
4797         if (kp1->keysym > kp2->keysym)
4798                 return (1);
4799
4800         if (kp1->mod < kp2->mod)
4801                 return (-1);
4802         if (kp1->mod > kp2->mod)
4803                 return (1);
4804
4805         return (0);
4806 }
4807
4808 RB_GENERATE(key_tree, key, entry, key_cmp);
4809 struct key_tree                 keys;
4810
4811 /* mouse */
4812 enum { client_click, root_click };
4813 struct button {
4814         unsigned int            action;
4815         unsigned int            mask;
4816         unsigned int            button;
4817         void                    (*func)(struct ws_win *, union arg *);
4818         union arg               args;
4819 } buttons[] = {
4820           /* action     key             mouse button    func    args */
4821         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4822         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4823         { client_click, MODKEY,         Button1,        move,   {0} },
4824 };
4825
4826 void
4827 update_modkey(unsigned int mod)
4828 {
4829         int                     i;
4830         struct key              *kp;
4831
4832         mod_key = mod;
4833         RB_FOREACH(kp, key_tree, &keys)
4834                 if (kp->mod & ShiftMask)
4835                         kp->mod = mod | ShiftMask;
4836                 else
4837                         kp->mod = mod;
4838
4839         for (i = 0; i < LENGTH(buttons); i++)
4840                 if (buttons[i].mask & ShiftMask)
4841                         buttons[i].mask = mod | ShiftMask;
4842                 else
4843                         buttons[i].mask = mod;
4844 }
4845
4846 /* spawn */
4847 struct spawn_prog {
4848         TAILQ_ENTRY(spawn_prog) entry;
4849         char                    *name;
4850         int                     argc;
4851         char                    **argv;
4852 };
4853 TAILQ_HEAD(spawn_list, spawn_prog);
4854 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4855
4856 int
4857 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4858     char ***ret_args)
4859 {
4860         struct spawn_prog       *prog = NULL;
4861         int                     i;
4862         char                    *ap, **real_args;
4863
4864         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4865
4866         /* find program */
4867         TAILQ_FOREACH(prog, &spawns, entry) {
4868                 if (!strcasecmp(spawn_name, prog->name))
4869                         break;
4870         }
4871         if (prog == NULL) {
4872                 warnx("spawn_custom: program %s not found", spawn_name);
4873                 return (-1);
4874         }
4875
4876         /* make room for expanded args */
4877         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4878                 err(1, "spawn_custom: calloc real_args");
4879
4880         /* expand spawn_args into real_args */
4881         for (i = 0; i < prog->argc; i++) {
4882                 ap = prog->argv[i];
4883                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4884                 if (!strcasecmp(ap, "$bar_border")) {
4885                         if ((real_args[i] =
4886                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4887                             == NULL)
4888                                 err(1,  "spawn_custom border color");
4889                 } else if (!strcasecmp(ap, "$bar_color")) {
4890                         if ((real_args[i] =
4891                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4892                             == NULL)
4893                                 err(1, "spawn_custom bar color");
4894                 } else if (!strcasecmp(ap, "$bar_font")) {
4895                         if ((real_args[i] = strdup(bar_fonts))
4896                             == NULL)
4897                                 err(1, "spawn_custom bar fonts");
4898                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4899                         if ((real_args[i] =
4900                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4901                             == NULL)
4902                                 err(1, "spawn_custom color font");
4903                 } else if (!strcasecmp(ap, "$color_focus")) {
4904                         if ((real_args[i] =
4905                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4906                             == NULL)
4907                                 err(1, "spawn_custom color focus");
4908                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4909                         if ((real_args[i] =
4910                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4911                             == NULL)
4912                                 err(1, "spawn_custom color unfocus");
4913                 } else {
4914                         /* no match --> copy as is */
4915                         if ((real_args[i] = strdup(ap)) == NULL)
4916                                 err(1, "spawn_custom strdup(ap)");
4917                 }
4918                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4919                     real_args[i]);
4920         }
4921
4922 #ifdef SWM_DEBUG
4923         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4924         for (i = 0; i < prog->argc; i++)
4925                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4926         DNPRINTF(SWM_D_SPAWN, "\n");
4927 #endif
4928         *ret_args = real_args;
4929         return (prog->argc);
4930 }
4931
4932 void
4933 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4934 {
4935         union arg               a;
4936         char                    **real_args;
4937         int                     spawn_argc, i;
4938
4939         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4940                 return;
4941         a.argv = real_args;
4942         if (fork() == 0)
4943                 spawn(r->ws->idx, &a, 1);
4944
4945         for (i = 0; i < spawn_argc; i++)
4946                 free(real_args[i]);
4947         free(real_args);
4948 }
4949
4950 void
4951 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4952 {
4953         union arg               a;
4954         char                    **real_args;
4955         int                     i, spawn_argc;
4956
4957         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4958                 return;
4959         a.argv = real_args;
4960
4961         if (pipe(select_list_pipe) == -1)
4962                 err(1, "pipe error");
4963         if (pipe(select_resp_pipe) == -1)
4964                 err(1, "pipe error");
4965
4966         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4967                 err(1, "could not disable SIGPIPE");
4968         switch (*pid = fork()) {
4969         case -1:
4970                 err(1, "cannot fork");
4971                 break;
4972         case 0: /* child */
4973                 if (dup2(select_list_pipe[0], 0) == -1)
4974                         err(1, "dup2");
4975                 if (dup2(select_resp_pipe[1], 1) == -1)
4976                         err(1, "dup2");
4977                 close(select_list_pipe[1]);
4978                 close(select_resp_pipe[0]);
4979                 spawn(r->ws->idx, &a, 0);
4980                 break;
4981         default: /* parent */
4982                 close(select_list_pipe[0]);
4983                 close(select_resp_pipe[1]);
4984                 break;
4985         }
4986
4987         for (i = 0; i < spawn_argc; i++)
4988                 free(real_args[i]);
4989         free(real_args);
4990 }
4991
4992 void
4993 spawn_insert(char *name, char *args)
4994 {
4995         char                    *arg, *cp, *ptr;
4996         struct spawn_prog       *sp;
4997
4998         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4999
5000         if ((sp = calloc(1, sizeof *sp)) == NULL)
5001                 err(1, "spawn_insert: malloc");
5002         if ((sp->name = strdup(name)) == NULL)
5003                 err(1, "spawn_insert: strdup");
5004
5005         /* convert the arguments to an argument list */
5006         if ((ptr = cp = strdup(args)) == NULL)
5007                 err(1, "spawn_insert: strdup");
5008         while ((arg = strsep(&ptr, " \t")) != NULL) {
5009                 /* empty field; skip it */
5010                 if (*arg == '\0')
5011                         continue;
5012
5013                 sp->argc++;
5014                 if ((sp->argv = realloc(sp->argv, sp->argc *
5015                     sizeof *sp->argv)) == NULL)
5016                         err(1, "spawn_insert: realloc");
5017                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5018                         err(1, "spawn_insert: strdup");
5019         }
5020         free(cp);
5021
5022         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5023         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5024 }
5025
5026 void
5027 spawn_remove(struct spawn_prog *sp)
5028 {
5029         int                     i;
5030
5031         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5032
5033         TAILQ_REMOVE(&spawns, sp, entry);
5034         for (i = 0; i < sp->argc; i++)
5035                 free(sp->argv[i]);
5036         free(sp->argv);
5037         free(sp->name);
5038         free(sp);
5039
5040         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5041 }
5042
5043 void
5044 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5045 {
5046         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5047
5048         spawn_remove(sp);
5049         spawn_insert(name, args);
5050
5051         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5052 }
5053
5054 void
5055 setspawn(char *name, char *args)
5056 {
5057         struct spawn_prog       *sp;
5058
5059         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5060
5061         if (name == NULL)
5062                 return;
5063
5064         TAILQ_FOREACH(sp, &spawns, entry) {
5065                 if (!strcmp(sp->name, name)) {
5066                         if (*args == '\0')
5067                                 spawn_remove(sp);
5068                         else
5069                                 spawn_replace(sp, name, args);
5070                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5071                         return;
5072                 }
5073         }
5074         if (*args == '\0') {
5075                 warnx("error: setspawn: cannot find program: %s", name);
5076                 return;
5077         }
5078
5079         spawn_insert(name, args);
5080         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5081 }
5082
5083 int
5084 setconfspawn(char *selector, char *value, int flags)
5085 {
5086         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5087
5088         setspawn(selector, value);
5089
5090         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5091         return (0);
5092 }
5093
5094 void
5095 setup_spawn(void)
5096 {
5097         setconfspawn("term",            "xterm",                0);
5098         setconfspawn("spawn_term",      "xterm",                0);
5099         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5100         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5101         setconfspawn("lock",            "xlock",                0);
5102         setconfspawn("initscr",         "initscreen.sh",        0);
5103         setconfspawn("menu",            "dmenu_run"
5104                                         " -fn $bar_font"
5105                                         " -nb $bar_color"
5106                                         " -nf $bar_font_color"
5107                                         " -sb $bar_border"
5108                                         " -sf $bar_color",      0);
5109         setconfspawn("search",          "dmenu"
5110                                         " -i"
5111                                         " -fn $bar_font"
5112                                         " -nb $bar_color"
5113                                         " -nf $bar_font_color"
5114                                         " -sb $bar_border"
5115                                         " -sf $bar_color",      0);
5116         setconfspawn("name_workspace",  "dmenu"
5117                                         " -p Workspace"
5118                                         " -fn $bar_font"
5119                                         " -nb $bar_color"
5120                                         " -nf $bar_font_color"
5121                                         " -sb $bar_border"
5122                                         " -sf $bar_color",      0);
5123 }
5124
5125 /* key bindings */
5126 #define SWM_MODNAME_SIZE        32
5127 #define SWM_KEY_WS              "\n+ \t"
5128 int
5129 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5130 {
5131         char                    *cp, *name;
5132         KeySym                  uks;
5133         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5134         if (mod == NULL || ks == NULL) {
5135                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5136                 return (1);
5137         }
5138         if (keystr == NULL || strlen(keystr) == 0) {
5139                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5140                 return (1);
5141         }
5142         cp = keystr;
5143         *ks = NoSymbol;
5144         *mod = 0;
5145         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5146                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5147                 if (cp)
5148                         cp += (long)strspn(cp, SWM_KEY_WS);
5149                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5150                         *mod |= currmod;
5151                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5152                         *mod |= Mod1Mask;
5153                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5154                         *mod += Mod2Mask;
5155                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5156                         *mod |= Mod3Mask;
5157                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5158                         *mod |= Mod4Mask;
5159                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5160                         *mod |= ShiftMask;
5161                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5162                         *mod |= ControlMask;
5163                 else {
5164                         *ks = XStringToKeysym(name);
5165                         XConvertCase(*ks, ks, &uks);
5166                         if (ks == NoSymbol) {
5167                                 DNPRINTF(SWM_D_KEY,
5168                                     "parsekeys: invalid key %s\n",
5169                                     name);
5170                                 return (1);
5171                         }
5172                 }
5173         }
5174         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5175         return (0);
5176 }
5177
5178 char *
5179 strdupsafe(char *str)
5180 {
5181         if (str == NULL)
5182                 return (NULL);
5183         else
5184                 return (strdup(str));
5185 }
5186
5187 void
5188 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5189 {
5190         struct key              *kp;
5191
5192         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5193             keyfuncs[kfid].name, spawn_name);
5194
5195         if ((kp = malloc(sizeof *kp)) == NULL)
5196                 err(1, "key_insert: malloc");
5197
5198         kp->mod = mod;
5199         kp->keysym = ks;
5200         kp->funcid = kfid;
5201         kp->spawn_name = strdupsafe(spawn_name);
5202         RB_INSERT(key_tree, &keys, kp);
5203
5204         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5205 }
5206
5207 struct key *
5208 key_lookup(unsigned int mod, KeySym ks)
5209 {
5210         struct key              kp;
5211
5212         kp.keysym = ks;
5213         kp.mod = mod;
5214
5215         return (RB_FIND(key_tree, &keys, &kp));
5216 }
5217
5218 void
5219 key_remove(struct key *kp)
5220 {
5221         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5222
5223         RB_REMOVE(key_tree, &keys, kp);
5224         free(kp->spawn_name);
5225         free(kp);
5226
5227         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5228 }
5229
5230 void
5231 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5232     char *spawn_name)
5233 {
5234         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5235             spawn_name);
5236
5237         key_remove(kp);
5238         key_insert(mod, ks, kfid, spawn_name);
5239
5240         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5241 }
5242
5243 void
5244 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5245     char *spawn_name)
5246 {
5247         struct key              *kp;
5248
5249         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5250             keyfuncs[kfid].name, spawn_name);
5251
5252         if ((kp = key_lookup(mod, ks)) != NULL) {
5253                 if (kfid == kf_invalid)
5254                         key_remove(kp);
5255                 else
5256                         key_replace(kp, mod, ks, kfid, spawn_name);
5257                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5258                 return;
5259         }
5260         if (kfid == kf_invalid) {
5261                 warnx("error: setkeybinding: cannot find mod/key combination");
5262                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5263                 return;
5264         }
5265
5266         key_insert(mod, ks, kfid, spawn_name);
5267         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5268 }
5269
5270 int
5271 setconfbinding(char *selector, char *value, int flags)
5272 {
5273         enum keyfuncid          kfid;
5274         unsigned int            mod;
5275         KeySym                  ks;
5276         struct spawn_prog       *sp;
5277         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5278         if (selector == NULL) {
5279                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5280                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5281                         kfid = kf_invalid;
5282                         setkeybinding(mod, ks, kfid, NULL);
5283                         return (0);
5284                 } else
5285                         return (1);
5286         }
5287         /* search by key function name */
5288         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5289                 if (strncasecmp(selector, keyfuncs[kfid].name,
5290                     SWM_FUNCNAME_LEN) == 0) {
5291                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5292                             selector);
5293                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5294                                 setkeybinding(mod, ks, kfid, NULL);
5295                                 return (0);
5296                         } else
5297                                 return (1);
5298                 }
5299         }
5300         /* search by custom spawn name */
5301         TAILQ_FOREACH(sp, &spawns, entry) {
5302                 if (strcasecmp(selector, sp->name) == 0) {
5303                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5304                             selector);
5305                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5306                                 setkeybinding(mod, ks, kf_spawn_custom,
5307                                     sp->name);
5308                                 return (0);
5309                         } else
5310                                 return (1);
5311                 }
5312         }
5313         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5314         return (1);
5315 }
5316
5317 void
5318 setup_keys(void)
5319 {
5320         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5321         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5322         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5323         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5324         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5325         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5326         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5327         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5328         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5329         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5330         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5331         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5332         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5333         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5334         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5335         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5336         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5337         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5338         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5339         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5340         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5341         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5342         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5343         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5344         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5345         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5346         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5347         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5348         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5349         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5350         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5351         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5352         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5353         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5354         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5355         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5356         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5357         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5358         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5359         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5360         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5361         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5362         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5363         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5364         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5365         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5366         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5367         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5368         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5369         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5370         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5371         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5372         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5373         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5374         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5375         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5376         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5377         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5378         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5379         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5380         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5381         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5382         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5383         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5384         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5385         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5386         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5387         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5388         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5389         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5390         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5391         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5392         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5393         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5394         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5395         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5396         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5397         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5398         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5399         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5400         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5401         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5402         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5403         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5404         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5405         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5406         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5407         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5408         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5409         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5410         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5411         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5412         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5413         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5414         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5415         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5416 #ifdef SWM_DEBUG
5417         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5418 #endif
5419 }
5420
5421 void
5422 clear_keys(void)
5423 {
5424         struct key              *kp;
5425
5426         while (RB_EMPTY(&keys) == 0) {
5427                 kp = RB_ROOT(&keys);
5428                 key_remove(kp);
5429         }
5430 }
5431
5432 int
5433 setkeymapping(char *selector, char *value, int flags)
5434 {
5435         char                    keymapping_file[PATH_MAX];
5436         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5437         if (value[0] == '~')
5438                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5439                     pwd->pw_dir, &value[1]);
5440         else
5441                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5442         clear_keys();
5443         /* load new key bindings; if it fails, revert to default bindings */
5444         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5445                 clear_keys();
5446                 setup_keys();
5447         }
5448         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5449         return (0);
5450 }
5451
5452 void
5453 updatenumlockmask(void)
5454 {
5455         unsigned int            i, j;
5456         XModifierKeymap         *modmap;
5457
5458         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5459         numlockmask = 0;
5460         modmap = XGetModifierMapping(display);
5461         for (i = 0; i < 8; i++)
5462                 for (j = 0; j < modmap->max_keypermod; j++)
5463                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5464                             == XKeysymToKeycode(display, XK_Num_Lock))
5465                                 numlockmask = (1 << i);
5466
5467         XFreeModifiermap(modmap);
5468 }
5469
5470 void
5471 grabkeys(void)
5472 {
5473         int                     num_screens;
5474         unsigned int            j, k;
5475         KeyCode                 code;
5476         unsigned int            modifiers[] =
5477             { 0, LockMask, numlockmask, numlockmask | LockMask };
5478         struct key              *kp;
5479
5480         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5481         updatenumlockmask();
5482
5483         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5484         for (k = 0; k < num_screens; k++) {
5485                 if (TAILQ_EMPTY(&screens[k].rl))
5486                         continue;
5487                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5488                         XCB_MOD_MASK_ANY);
5489                 RB_FOREACH(kp, key_tree, &keys) {
5490                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5491                                 for (j = 0; j < LENGTH(modifiers); j++)
5492                                         XGrabKey(display, code,
5493                                             kp->mod | modifiers[j],
5494                                             screens[k].root, True,
5495                                             GrabModeAsync, GrabModeAsync);
5496                 }
5497         }
5498 }
5499
5500 void
5501 grabbuttons(struct ws_win *win, int focused)
5502 {
5503         unsigned int            i, j;
5504         unsigned int            modifiers[] =
5505             { 0, LockMask, numlockmask, numlockmask|LockMask };
5506
5507         updatenumlockmask();
5508         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5509                 XCB_BUTTON_MASK_ANY);
5510         if (focused) {
5511                 for (i = 0; i < LENGTH(buttons); i++)
5512                         if (buttons[i].action == client_click)
5513                                 for (j = 0; j < LENGTH(modifiers); j++)
5514                                         xcb_grab_button(conn, False, win->id,
5515                                                 BUTTONMASK,
5516                                                 XCB_GRAB_MODE_ASYNC,
5517                                                 XCB_GRAB_MODE_SYNC,
5518                                                 XCB_WINDOW_NONE,
5519                                                 XCB_CURSOR_NONE,
5520                                                 buttons[i].button,
5521                                                 buttons[i].mask);
5522         } else
5523                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5524                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5525                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5526                         XCB_BUTTON_MASK_ANY);
5527 }
5528
5529 const char *quirkname[] = {
5530         "NONE",         /* config string for "no value" */
5531         "FLOAT",
5532         "TRANSSZ",
5533         "ANYWHERE",
5534         "XTERM_FONTADJ",
5535         "FULLSCREEN",
5536         "FOCUSPREV",
5537 };
5538
5539 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5540 #define SWM_Q_WS                "\n|+ \t"
5541 int
5542 parsequirks(char *qstr, unsigned long *quirk)
5543 {
5544         char                    *cp, *name;
5545         int                     i;
5546
5547         if (quirk == NULL)
5548                 return (1);
5549
5550         cp = qstr;
5551         *quirk = 0;
5552         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5553                 if (cp)
5554                         cp += (long)strspn(cp, SWM_Q_WS);
5555                 for (i = 0; i < LENGTH(quirkname); i++) {
5556                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5557                                 DNPRINTF(SWM_D_QUIRK,
5558                                     "parsequirks: %s\n", name);
5559                                 if (i == 0) {
5560                                         *quirk = 0;
5561                                         return (0);
5562                                 }
5563                                 *quirk |= 1 << (i-1);
5564                                 break;
5565                         }
5566                 }
5567                 if (i >= LENGTH(quirkname)) {
5568                         DNPRINTF(SWM_D_QUIRK,
5569                             "parsequirks: invalid quirk [%s]\n", name);
5570                         return (1);
5571                 }
5572         }
5573         return (0);
5574 }
5575
5576 void
5577 quirk_insert(const char *class, const char *name, unsigned long quirk)
5578 {
5579         struct quirk            *qp;
5580
5581         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5582             quirk);
5583
5584         if ((qp = malloc(sizeof *qp)) == NULL)
5585                 err(1, "quirk_insert: malloc");
5586         if ((qp->class = strdup(class)) == NULL)
5587                 err(1, "quirk_insert: strdup");
5588         if ((qp->name = strdup(name)) == NULL)
5589                 err(1, "quirk_insert: strdup");
5590
5591         qp->quirk = quirk;
5592         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5593
5594         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5595 }
5596
5597 void
5598 quirk_remove(struct quirk *qp)
5599 {
5600         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5601             qp->name, qp->quirk);
5602
5603         TAILQ_REMOVE(&quirks, qp, entry);
5604         free(qp->class);
5605         free(qp->name);
5606         free(qp);
5607
5608         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5609 }
5610
5611 void
5612 quirk_replace(struct quirk *qp, const char *class, const char *name,
5613     unsigned long quirk)
5614 {
5615         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5616             qp->name, qp->quirk);
5617
5618         quirk_remove(qp);
5619         quirk_insert(class, name, quirk);
5620
5621         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5622 }
5623
5624 void
5625 setquirk(const char *class, const char *name, unsigned long quirk)
5626 {
5627         struct quirk            *qp;
5628
5629         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5630            quirk);
5631
5632         TAILQ_FOREACH(qp, &quirks, entry) {
5633                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5634                         if (!quirk)
5635                                 quirk_remove(qp);
5636                         else
5637                                 quirk_replace(qp, class, name, quirk);
5638                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5639                         return;
5640                 }
5641         }
5642         if (!quirk) {
5643                 warnx("error: setquirk: cannot find class/name combination");
5644                 return;
5645         }
5646
5647         quirk_insert(class, name, quirk);
5648         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5649 }
5650
5651 int
5652 setconfquirk(char *selector, char *value, int flags)
5653 {
5654         char                    *cp, *class, *name;
5655         int                     retval;
5656         unsigned long           quirks;
5657         if (selector == NULL)
5658                 return (0);
5659         if ((cp = strchr(selector, ':')) == NULL)
5660                 return (0);
5661         *cp = '\0';
5662         class = selector;
5663         name = cp + 1;
5664         if ((retval = parsequirks(value, &quirks)) == 0)
5665                 setquirk(class, name, quirks);
5666         return (retval);
5667 }
5668
5669 void
5670 setup_quirks(void)
5671 {
5672         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5673         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5674         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5675         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5676         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5677         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5678         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5679         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5680         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5681         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5682         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5683         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5684         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5685 }
5686
5687 /* conf file stuff */
5688 #define SWM_CONF_FILE           "spectrwm.conf"
5689 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5690
5691 enum {
5692         SWM_S_BAR_ACTION,
5693         SWM_S_BAR_AT_BOTTOM,
5694         SWM_S_BAR_BORDER_WIDTH,
5695         SWM_S_BAR_DELAY,
5696         SWM_S_BAR_ENABLED,
5697         SWM_S_BAR_FONT,
5698         SWM_S_BAR_FORMAT,
5699         SWM_S_BAR_JUSTIFY,
5700         SWM_S_BORDER_WIDTH,
5701         SWM_S_CLOCK_ENABLED,
5702         SWM_S_CLOCK_FORMAT,
5703         SWM_S_CYCLE_EMPTY,
5704         SWM_S_CYCLE_VISIBLE,
5705         SWM_S_DIALOG_RATIO,
5706         SWM_S_DISABLE_BORDER,
5707         SWM_S_FOCUS_CLOSE,
5708         SWM_S_FOCUS_CLOSE_WRAP,
5709         SWM_S_FOCUS_DEFAULT,
5710         SWM_S_FOCUS_MODE,
5711         SWM_S_SPAWN_ORDER,
5712         SWM_S_SPAWN_TERM,
5713         SWM_S_SS_APP,
5714         SWM_S_SS_ENABLED,
5715         SWM_S_STACK_ENABLED,
5716         SWM_S_TERM_WIDTH,
5717         SWM_S_TITLE_CLASS_ENABLED,
5718         SWM_S_TITLE_NAME_ENABLED,
5719         SWM_S_URGENT_ENABLED,
5720         SWM_S_VERBOSE_LAYOUT,
5721         SWM_S_WINDOW_NAME_ENABLED,
5722         SWM_S_WORKSPACE_LIMIT
5723 };
5724
5725 int
5726 setconfvalue(char *selector, char *value, int flags)
5727 {
5728         int     i;
5729         char    *b;
5730
5731         switch (flags) {
5732         case SWM_S_BAR_ACTION:
5733                 free(bar_argv[0]);
5734                 if ((bar_argv[0] = strdup(value)) == NULL)
5735                         err(1, "setconfvalue: bar_action");
5736                 break;
5737         case SWM_S_BAR_AT_BOTTOM:
5738                 bar_at_bottom = atoi(value);
5739                 break;
5740         case SWM_S_BAR_BORDER_WIDTH:
5741                 bar_border_width = atoi(value);
5742                 if (bar_border_width < 0)
5743                         bar_border_width = 0;
5744                 break;
5745         case SWM_S_BAR_DELAY:
5746                 bar_delay = atoi(value);
5747                 break;
5748         case SWM_S_BAR_ENABLED:
5749                 bar_enabled = atoi(value);
5750                 break;
5751         case SWM_S_BAR_FONT:
5752                 b = bar_fonts;
5753                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5754                         err(1, "setconfvalue: asprintf: failed to allocate "
5755                                 "memory for bar_fonts.");
5756
5757                 free(b);
5758                 break;
5759         case SWM_S_BAR_FORMAT:
5760                 free(bar_format);
5761                 if ((bar_format = strdup(value)) == NULL)
5762                         err(1, "setconfvalue: bar_format");
5763                 break;
5764         case SWM_S_BAR_JUSTIFY:
5765                 if (!strcmp(value, "left"))
5766                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5767                 else if (!strcmp(value, "center"))
5768                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5769                 else if (!strcmp(value, "right"))
5770                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5771                 else
5772                         errx(1, "invalid bar_justify");
5773                 break;
5774         case SWM_S_BORDER_WIDTH:
5775                 border_width = atoi(value);
5776                 if (border_width < 0)
5777                         border_width = 0;
5778                 break;
5779         case SWM_S_CLOCK_ENABLED:
5780                 clock_enabled = atoi(value);
5781                 break;
5782         case SWM_S_CLOCK_FORMAT:
5783 #ifndef SWM_DENY_CLOCK_FORMAT
5784                 free(clock_format);
5785                 if ((clock_format = strdup(value)) == NULL)
5786                         err(1, "setconfvalue: clock_format");
5787 #endif
5788                 break;
5789         case SWM_S_CYCLE_EMPTY:
5790                 cycle_empty = atoi(value);
5791                 break;
5792         case SWM_S_CYCLE_VISIBLE:
5793                 cycle_visible = atoi(value);
5794                 break;
5795         case SWM_S_DIALOG_RATIO:
5796                 dialog_ratio = atof(value);
5797                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5798                         dialog_ratio = .6;
5799                 break;
5800         case SWM_S_DISABLE_BORDER:
5801                 disable_border = atoi(value);
5802                 break;
5803         case SWM_S_FOCUS_CLOSE:
5804                 if (!strcmp(value, "first"))
5805                         focus_close = SWM_STACK_BOTTOM;
5806                 else if (!strcmp(value, "last"))
5807                         focus_close = SWM_STACK_TOP;
5808                 else if (!strcmp(value, "next"))
5809                         focus_close = SWM_STACK_ABOVE;
5810                 else if (!strcmp(value, "previous"))
5811                         focus_close = SWM_STACK_BELOW;
5812                 else
5813                         errx(1, "focus_close");
5814                 break;
5815         case SWM_S_FOCUS_CLOSE_WRAP:
5816                 focus_close_wrap = atoi(value);
5817                 break;
5818         case SWM_S_FOCUS_DEFAULT:
5819                 if (!strcmp(value, "last"))
5820                         focus_default = SWM_STACK_TOP;
5821                 else if (!strcmp(value, "first"))
5822                         focus_default = SWM_STACK_BOTTOM;
5823                 else
5824                         errx(1, "focus_default");
5825                 break;
5826         case SWM_S_FOCUS_MODE:
5827                 if (!strcmp(value, "default"))
5828                         focus_mode = SWM_FOCUS_DEFAULT;
5829                 else if (!strcmp(value, "follow_cursor"))
5830                         focus_mode = SWM_FOCUS_FOLLOW;
5831                 else if (!strcmp(value, "synergy"))
5832                         focus_mode = SWM_FOCUS_SYNERGY;
5833                 else
5834                         errx(1, "focus_mode");
5835                 break;
5836         case SWM_S_SPAWN_ORDER:
5837                 if (!strcmp(value, "first"))
5838                         spawn_position = SWM_STACK_BOTTOM;
5839                 else if (!strcmp(value, "last"))
5840                         spawn_position = SWM_STACK_TOP;
5841                 else if (!strcmp(value, "next"))
5842                         spawn_position = SWM_STACK_ABOVE;
5843                 else if (!strcmp(value, "previous"))
5844                         spawn_position = SWM_STACK_BELOW;
5845                 else
5846                         errx(1, "spawn_position");
5847                 break;
5848         case SWM_S_SPAWN_TERM:
5849                 setconfspawn("term", value, 0);
5850                 setconfspawn("spawn_term", value, 0);
5851                 break;
5852         case SWM_S_SS_APP:
5853                 break;
5854         case SWM_S_SS_ENABLED:
5855                 ss_enabled = atoi(value);
5856                 break;
5857         case SWM_S_STACK_ENABLED:
5858                 stack_enabled = atoi(value);
5859                 break;
5860         case SWM_S_TERM_WIDTH:
5861                 term_width = atoi(value);
5862                 if (term_width < 0)
5863                         term_width = 0;
5864                 break;
5865         case SWM_S_TITLE_CLASS_ENABLED:
5866                 title_class_enabled = atoi(value);
5867                 break;
5868         case SWM_S_TITLE_NAME_ENABLED:
5869                 title_name_enabled = atoi(value);
5870                 break;
5871         case SWM_S_URGENT_ENABLED:
5872                 urgent_enabled = atoi(value);
5873                 break;
5874         case SWM_S_VERBOSE_LAYOUT:
5875                 verbose_layout = atoi(value);
5876                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5877                         if (verbose_layout)
5878                                 layouts[i].l_string = fancy_stacker;
5879                         else
5880                                 layouts[i].l_string = plain_stacker;
5881                 }
5882                 break;
5883         case SWM_S_WINDOW_NAME_ENABLED:
5884                 window_name_enabled = atoi(value);
5885                 break;
5886         case SWM_S_WORKSPACE_LIMIT:
5887                 workspace_limit = atoi(value);
5888                 if (workspace_limit > SWM_WS_MAX)
5889                         workspace_limit = SWM_WS_MAX;
5890                 else if (workspace_limit < 1)
5891                         workspace_limit = 1;
5892                 break;
5893         default:
5894                 return (1);
5895         }
5896         return (0);
5897 }
5898
5899 int
5900 setconfmodkey(char *selector, char *value, int flags)
5901 {
5902         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5903                 update_modkey(Mod1Mask);
5904         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5905                 update_modkey(Mod2Mask);
5906         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5907                 update_modkey(Mod3Mask);
5908         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5909                 update_modkey(Mod4Mask);
5910         else
5911                 return (1);
5912         return (0);
5913 }
5914
5915 int
5916 setconfcolor(char *selector, char *value, int flags)
5917 {
5918         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5919         return (0);
5920 }
5921
5922 int
5923 setconfregion(char *selector, char *value, int flags)
5924 {
5925         custom_region(value);
5926         return (0);
5927 }
5928
5929 int
5930 setautorun(char *selector, char *value, int flags)
5931 {
5932         int                     ws_id;
5933         char                    s[1024];
5934         char                    *ap, *sp = s;
5935         union arg               a;
5936         int                     argc = 0;
5937         long                    pid;
5938         struct pid_e            *p;
5939
5940         if (getenv("SWM_STARTED"))
5941                 return (0);
5942
5943         bzero(s, sizeof s);
5944         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5945                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5946         ws_id--;
5947         if (ws_id < 0 || ws_id >= workspace_limit)
5948                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5949
5950         /*
5951          * This is a little intricate
5952          *
5953          * If the pid already exists we simply reuse it because it means it was
5954          * used before AND not claimed by manage_window.  We get away with
5955          * altering it in the parent after INSERT because this can not be a race
5956          */
5957         a.argv = NULL;
5958         while ((ap = strsep(&sp, " \t")) != NULL) {
5959                 if (*ap == '\0')
5960                         continue;
5961                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5962                 argc++;
5963                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5964                         err(1, "setautorun: realloc");
5965                 a.argv[argc - 1] = ap;
5966         }
5967
5968         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5969                 err(1, "setautorun: realloc");
5970         a.argv[argc] = NULL;
5971
5972         if ((pid = fork()) == 0) {
5973                 spawn(ws_id, &a, 1);
5974                 /* NOTREACHED */
5975                 _exit(1);
5976         }
5977         free(a.argv);
5978
5979         /* parent */
5980         p = find_pid(pid);
5981         if (p == NULL) {
5982                 p = calloc(1, sizeof *p);
5983                 if (p == NULL)
5984                         return (1);
5985                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5986         }
5987
5988         p->pid = pid;
5989         p->ws = ws_id;
5990
5991         return (0);
5992 }
5993
5994 int
5995 setlayout(char *selector, char *value, int flags)
5996 {
5997         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5998         int                     st = SWM_V_STACK, num_screens;
5999         char                    s[1024];
6000         struct workspace        *ws;
6001
6002         if (getenv("SWM_STARTED"))
6003                 return (0);
6004
6005         bzero(s, sizeof s);
6006         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6007             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6008                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6009                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6010                     "<type>'");
6011         ws_id--;
6012         if (ws_id < 0 || ws_id >= workspace_limit)
6013                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6014
6015         if (!strcasecmp(s, "vertical"))
6016                 st = SWM_V_STACK;
6017         else if (!strcasecmp(s, "vertical_flip")) {
6018                 st = SWM_V_STACK;
6019                 f = 1;
6020         } else if (!strcasecmp(s, "horizontal"))
6021                 st = SWM_H_STACK;
6022         else if (!strcasecmp(s, "horizontal_flip")) {
6023                 st = SWM_H_STACK;
6024                 f = 1;
6025         } else if (!strcasecmp(s, "fullscreen"))
6026                 st = SWM_MAX_STACK;
6027         else
6028                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6029                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6030                     "<type>'");
6031
6032         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6033         for (i = 0; i < num_screens; i++) {
6034                 ws = (struct workspace *)&screens[i].ws;
6035                 ws[ws_id].cur_layout = &layouts[st];
6036
6037                 ws[ws_id].always_raise = raise;
6038                 if (st == SWM_MAX_STACK)
6039                         continue;
6040
6041                 /* master grow */
6042                 for (x = 0; x < abs(mg); x++) {
6043                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6044                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6045                             SWM_ARG_ID_MASTERSHRINK);
6046                         stack();
6047                 }
6048                 /* master add */
6049                 for (x = 0; x < abs(ma); x++) {
6050                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6051                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6052                             SWM_ARG_ID_MASTERDEL);
6053                         stack();
6054                 }
6055                 /* stack inc */
6056                 for (x = 0; x < abs(si); x++) {
6057                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6058                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6059                             SWM_ARG_ID_STACKDEC);
6060                         stack();
6061                 }
6062                 /* Apply flip */
6063                 if (f) {
6064                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6065                             SWM_ARG_ID_FLIPLAYOUT);
6066                         stack();
6067                 }
6068         }
6069
6070         return (0);
6071 }
6072
6073 /* config options */
6074 struct config_option {
6075         char                    *optname;
6076         int                     (*func)(char*, char*, int);
6077         int                     funcflags;
6078 };
6079 struct config_option configopt[] = {
6080         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6081         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6082         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6083         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6084         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6085         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6086         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6087         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6088         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6089         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6090         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6091         { "keyboard_mapping",           setkeymapping,  0 },
6092         { "bind",                       setconfbinding, 0 },
6093         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6094         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6095         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6096         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6097         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6098         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6099         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6100         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6101         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6102         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6103         { "modkey",                     setconfmodkey,  0 },
6104         { "program",                    setconfspawn,   0 },
6105         { "quirk",                      setconfquirk,   0 },
6106         { "region",                     setconfregion,  0 },
6107         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6108         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6109         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6110         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6111         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6112         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6113         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6114         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6115         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6116         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6117         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6118         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6119         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6120         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6121         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6122         { "autorun",                    setautorun,     0 },
6123         { "layout",                     setlayout,      0 },
6124 };
6125
6126
6127 int
6128 conf_load(char *filename, int keymapping)
6129 {
6130         FILE                    *config;
6131         char                    *line, *cp, *optsub, *optval;
6132         size_t                  linelen, lineno = 0;
6133         int                     wordlen, i, optind;
6134         struct config_option    *opt;
6135
6136         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6137
6138         if (filename == NULL) {
6139                 warnx("conf_load: no filename");
6140                 return (1);
6141         }
6142         if ((config = fopen(filename, "r")) == NULL) {
6143                 warn("conf_load: fopen: %s", filename);
6144                 return (1);
6145         }
6146
6147         while (!feof(config)) {
6148                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6149                     == NULL) {
6150                         if (ferror(config))
6151                                 err(1, "%s", filename);
6152                         else
6153                                 continue;
6154                 }
6155                 cp = line;
6156                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6157                 if (cp[0] == '\0') {
6158                         /* empty line */
6159                         free(line);
6160                         continue;
6161                 }
6162                 /* get config option */
6163                 wordlen = strcspn(cp, "=[ \t\n");
6164                 if (wordlen == 0) {
6165                         warnx("%s: line %zd: no option found",
6166                             filename, lineno);
6167                         goto out;
6168                 }
6169                 optind = -1;
6170                 for (i = 0; i < LENGTH(configopt); i++) {
6171                         opt = &configopt[i];
6172                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6173                             strlen(opt->optname) == wordlen) {
6174                                 optind = i;
6175                                 break;
6176                         }
6177                 }
6178                 if (optind == -1) {
6179                         warnx("%s: line %zd: unknown option %.*s",
6180                             filename, lineno, wordlen, cp);
6181                         goto out;
6182                 }
6183                 if (keymapping && strcmp(opt->optname, "bind")) {
6184                         warnx("%s: line %zd: invalid option %.*s",
6185                             filename, lineno, wordlen, cp);
6186                         goto out;
6187                 }
6188                 cp += wordlen;
6189                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6190                 /* get [selector] if any */
6191                 optsub = NULL;
6192                 if (*cp == '[') {
6193                         cp++;
6194                         wordlen = strcspn(cp, "]");
6195                         if (*cp != ']') {
6196                                 if (wordlen == 0) {
6197                                         warnx("%s: line %zd: syntax error",
6198                                             filename, lineno);
6199                                         goto out;
6200                                 }
6201
6202                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6203                                     -1) {
6204                                         warnx("%s: line %zd: unable to allocate"
6205                                             "memory for selector", filename,
6206                                             lineno);
6207                                         goto out;
6208                                 }
6209                         }
6210                         cp += wordlen;
6211                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6212                 }
6213                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6214                 /* get RHS value */
6215                 optval = strdup(cp);
6216                 /* call function to deal with it all */
6217                 if (configopt[optind].func(optsub, optval,
6218                     configopt[optind].funcflags) != 0)
6219                         errx(1, "%s: line %zd: invalid data for %s",
6220                             filename, lineno, configopt[optind].optname);
6221                 free(optval);
6222                 free(optsub);
6223                 free(line);
6224         }
6225
6226         fclose(config);
6227         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6228
6229         return (0);
6230
6231 out:
6232         free(line);
6233         fclose(config);
6234         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6235
6236         return (1);
6237 }
6238
6239 void
6240 set_child_transient(struct ws_win *win, Window *trans)
6241 {
6242         struct ws_win           *parent, *w;
6243         XWMHints                *wmh = NULL;
6244         struct swm_region       *r;
6245         struct workspace        *ws;
6246
6247         parent = find_window(win->transient);
6248         if (parent)
6249                 parent->child_trans = win;
6250         else {
6251                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6252                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6253
6254                 if (win->hints == NULL) {
6255                         warnx("no hints for 0x%x", win->id);
6256                         return;
6257                 }
6258
6259                 r = root_to_region(win->wa.root);
6260                 ws = r->ws;
6261                 /* parent doen't exist in our window list */
6262                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6263                         if (wmh)
6264                                 XFree(wmh);
6265
6266                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
6267                                 warnx("can't get hints for 0x%x", w->id);
6268                                 continue;
6269                         }
6270
6271                         if (win->hints->window_group != wmh->window_group)
6272                                 continue;
6273
6274                         w->child_trans = win;
6275                         win->transient = w->id;
6276                         *trans = w->id;
6277                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
6278                             "transient to 0x%x\n", win->transient);
6279                         break;
6280                 }
6281         }
6282
6283         if (wmh)
6284                 XFree(wmh);
6285 }
6286
6287 long
6288 window_get_pid(xcb_window_t win)
6289 {
6290         long                            ret = 0;
6291         const char                      *errstr;
6292         xcb_atom_t                      apid;
6293         xcb_get_property_cookie_t       pc;
6294         xcb_get_property_reply_t        *pr;
6295
6296         apid = get_atom_from_string("_NET_WM_PID");
6297         if (apid == XCB_ATOM_NONE)
6298                 goto tryharder;
6299
6300         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6301         pr = xcb_get_property_reply(conn, pc, NULL);
6302         if (!pr)
6303                 goto tryharder;
6304         if (pr->type != XCB_ATOM_CARDINAL)
6305                 goto tryharder;
6306
6307         ret = *(long *)xcb_get_property_value(pr);
6308         free(pr);
6309
6310         return (ret);
6311
6312 tryharder:
6313         apid = get_atom_from_string("_SWM_PID");
6314         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6315                 0, SWM_PROPLEN);
6316         pr = xcb_get_property_reply(conn, pc, NULL);
6317         if (!pr)
6318                 return (0);
6319         if (pr->type != XCB_ATOM_STRING)
6320                 free(pr);
6321                 return (0);
6322         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6323         free(pr);
6324
6325         return (ret);
6326 }
6327
6328 struct ws_win *
6329 manage_window(xcb_window_t id)
6330 {
6331         Window                  trans = 0;
6332         struct workspace        *ws;
6333         struct ws_win           *win, *ww;
6334         int                     format, i, ws_idx, n, border_me = 0;
6335         unsigned long           nitems, bytes;
6336         Atom                    ws_idx_atom = 0, type;
6337         Atom                    *prot = NULL, *pp;
6338         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6339         struct swm_region       *r;
6340         const char              *errstr;
6341         struct pid_e            *p;
6342         struct quirk            *qp;
6343         uint32_t                event_mask;
6344
6345         if ((win = find_window(id)) != NULL)
6346                 return (win);   /* already being managed */
6347
6348         /* see if we are on the unmanaged list */
6349         if ((win = find_unmanaged_window(id)) != NULL) {
6350                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6351                     "window: 0x%x\n", win->id);
6352                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6353                 if (win->transient)
6354                         set_child_transient(win, &trans);
6355
6356                 if (trans && (ww = find_window(trans)))
6357                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6358                 else if ((ww = win->ws->focus) &&
6359                     spawn_position == SWM_STACK_ABOVE)
6360                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6361                             win, entry);
6362                 else if (ww && spawn_position == SWM_STACK_BELOW)
6363                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6364                 else switch (spawn_position) {
6365                 default:
6366                 case SWM_STACK_TOP:
6367                 case SWM_STACK_ABOVE:
6368                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6369                         break;
6370                 case SWM_STACK_BOTTOM:
6371                 case SWM_STACK_BELOW:
6372                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6373                 }
6374
6375                 ewmh_update_actions(win);
6376                 return (win);
6377         }
6378
6379         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6380                 err(1, "manage_window: calloc: failed to allocate memory for "
6381                     "new window");
6382
6383         win->id = id;
6384         win->bordered = 0;
6385
6386         /* see if we need to override the workspace */
6387         p = find_pid(window_get_pid(id));
6388
6389         /* Get all the window data in one shot */
6390         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6391         if (ws_idx_atom) {
6392                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6393                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6394         }
6395         XGetWindowAttributes(display, id, &win->wa);
6396         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6397         win->hints = XGetWMHints(display, id);
6398         XGetTransientForHint(display, id, &trans);
6399         if (trans) {
6400                 win->transient = trans;
6401                 set_child_transient(win, &trans);
6402                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6403                     "transient: 0x%x\n", win->id, win->transient);
6404         }
6405
6406         /* get supported protocols */
6407         if (XGetWMProtocols(display, id, &prot, &n)) {
6408                 for (i = 0, pp = prot; i < n; i++, pp++) {
6409                         if (*pp == takefocus)
6410                                 win->take_focus = 1;
6411                         if (*pp == adelete)
6412                                 win->can_delete = 1;
6413                 }
6414                 if (prot)
6415                         XFree(prot);
6416         }
6417
6418         win->iconic = get_iconic(win);
6419
6420         /*
6421          * Figure out where to put the window. If it was previously assigned to
6422          * a workspace (either by spawn() or manually moving), and isn't
6423          * transient, * put it in the same workspace
6424          */
6425         r = root_to_region(win->wa.root);
6426         if (p) {
6427                 ws = &r->s->ws[p->ws];
6428                 TAILQ_REMOVE(&pidlist, p, entry);
6429                 free(p);
6430                 p = NULL;
6431         } else if (prop && win->transient == 0) {
6432                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6433                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6434                     &errstr);
6435                 if (errstr) {
6436                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6437                             errstr, prop);
6438                 }
6439                 ws = &r->s->ws[ws_idx];
6440         } else {
6441                 ws = r->ws;
6442                 /* this should launch transients in the same ws as parent */
6443                 if (id && trans)
6444                         if ((ww = find_window(trans)) != NULL)
6445                                 if (ws->r) {
6446                                         ws = ww->ws;
6447                                         if (ww->ws->r)
6448                                                 r = ww->ws->r;
6449                                         else
6450                                                 warnx("manage_window: fix this "
6451                                                     "bug mcbride");
6452                                         border_me = 1;
6453                                 }
6454         }
6455
6456         /* set up the window layout */
6457         win->id = id;
6458         win->ws = ws;
6459         win->s = r->s;  /* this never changes */
6460         if (trans && (ww = find_window(trans)))
6461                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6462         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6463                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6464                     entry);
6465         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6466                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6467         else switch (spawn_position) {
6468         default:
6469         case SWM_STACK_TOP:
6470         case SWM_STACK_ABOVE:
6471                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6472                 break;
6473         case SWM_STACK_BOTTOM:
6474         case SWM_STACK_BELOW:
6475                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6476         }
6477
6478         /* ignore window border if there is one. */
6479         WIDTH(win) = win->wa.width;
6480         HEIGHT(win) = win->wa.height;
6481         X(win) = win->wa.x + win->wa.border_width;
6482         Y(win) = win->wa.y + win->wa.border_width;
6483         win->bordered = 0;
6484         win->g_floatvalid = 0;
6485         win->floatmaxed = 0;
6486         win->ewmh_flags = 0;
6487
6488         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6489             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6490             HEIGHT(win), ws->idx);
6491
6492         constrain_window(win, r, 0);
6493
6494         /* Set window properties so we can remember this after reincarnation */
6495         if (ws_idx_atom && prop == NULL &&
6496             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6497                 SWM_PROPLEN) {
6498                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6499                     ws_idx_str);
6500                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6501                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6502         }
6503         if (prop)
6504                 XFree(prop);
6505
6506         ewmh_autoquirk(win);
6507
6508         if (XGetClassHint(display, win->id, &win->ch)) {
6509                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6510                     win->ch.res_class, win->ch.res_name);
6511
6512                 /* java is retarded so treat it special */
6513                 if (strstr(win->ch.res_name, "sun-awt")) {
6514                         win->java = 1;
6515                         border_me = 1;
6516                 }
6517
6518                 TAILQ_FOREACH(qp, &quirks, entry) {
6519                         if (!strcmp(win->ch.res_class, qp->class) &&
6520                             !strcmp(win->ch.res_name, qp->name)) {
6521                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6522                                     "class: %s, name: %s\n", win->ch.res_class,
6523                                     win->ch.res_name);
6524                                 if (qp->quirk & SWM_Q_FLOAT) {
6525                                         win->floating = 1;
6526                                         border_me = 1;
6527                                 }
6528                                 win->quirks = qp->quirk;
6529                         }
6530                 }
6531         }
6532
6533         /* alter window position if quirky */
6534         if (win->quirks & SWM_Q_ANYWHERE) {
6535                 win->manual = 1; /* don't center the quirky windows */
6536                 if (bar_enabled && Y(win) < bar_height)
6537                         Y(win) = bar_height;
6538                 if (WIDTH(win) + X(win) > WIDTH(r))
6539                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6540                 border_me = 1;
6541         }
6542
6543         /* Reset font sizes (the bruteforce way; no default keybinding). */
6544         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6545                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6546                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6547                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6548                         fake_keypress(win, XK_KP_Add, ShiftMask);
6549         }
6550
6551         ewmh_get_win_state(win);
6552         ewmh_update_actions(win);
6553         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6554
6555         /* border me */
6556         if (border_me) {
6557                 win->bordered = 1;
6558                 X(win) -= border_width;
6559                 Y(win) -= border_width;
6560                 update_window(win);
6561         }
6562
6563         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6564                         XCB_EVENT_MASK_PROPERTY_CHANGE |
6565                         XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6566
6567         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6568
6569         /* floaters need to be mapped if they are in the current workspace */
6570         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6571                 map_window_raised(win->id);
6572
6573         return (win);
6574 }
6575
6576 void
6577 free_window(struct ws_win *win)
6578 {
6579         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6580
6581         if (win == NULL)
6582                 return;
6583
6584         /* needed for restart wm */
6585         set_win_state(win, XCB_ICCCM_WM_STATE_WITHDRAWN);
6586
6587         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6588
6589         if (win->ch.res_class)
6590                 XFree(win->ch.res_class);
6591         if (win->ch.res_name)
6592                 XFree(win->ch.res_name);
6593
6594         kill_refs(win);
6595
6596         /* paint memory */
6597         memset(win, 0xff, sizeof *win); /* XXX kill later */
6598
6599         free(win);
6600 }
6601
6602 void
6603 unmanage_window(struct ws_win *win)
6604 {
6605         struct ws_win           *parent;
6606         xcb_screen_t            *screen;
6607
6608         if (win == NULL)
6609                 return;
6610
6611         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6612
6613         if (win->transient) {
6614                 parent = find_window(win->transient);
6615                 if (parent)
6616                         parent->child_trans = NULL;
6617         }
6618
6619         /* focus on root just in case */
6620         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6621         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6622                 screen->root, XCB_CURRENT_TIME);
6623
6624         focus_prev(win);
6625
6626         if (win->hints) {
6627                 XFree(win->hints);
6628                 win->hints = NULL;
6629         }
6630
6631         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6632         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6633 }
6634
6635 void
6636 focus_magic(struct ws_win *win)
6637 {
6638         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6639
6640         if (win == NULL) {
6641                 /* if there are no windows clear the status-bar */
6642                 bar_update();
6643                 return;
6644         }
6645
6646         if (win->child_trans) {
6647                 /* win = parent & has a transient so focus on that */
6648                 if (win->java) {
6649                         focus_win(win->child_trans);
6650                         if (win->child_trans->take_focus)
6651                                 client_msg(win, takefocus);
6652                 } else {
6653                         /* make sure transient hasn't disappeared */
6654                         if (validate_win(win->child_trans) == 0) {
6655                                 focus_win(win->child_trans);
6656                                 if (win->child_trans->take_focus)
6657                                         client_msg(win->child_trans, takefocus);
6658                         } else {
6659                                 win->child_trans = NULL;
6660                                 focus_win(win);
6661                                 if (win->take_focus)
6662                                         client_msg(win, takefocus);
6663                         }
6664                 }
6665         } else {
6666                 /* regular focus */
6667                 focus_win(win);
6668                 if (win->take_focus)
6669                         client_msg(win, takefocus);
6670         }
6671 }
6672
6673 void
6674 expose(XEvent *e)
6675 {
6676         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6677 }
6678
6679 void
6680 keypress(XEvent *e)
6681 {
6682         KeySym                  keysym;
6683         XKeyEvent               *ev = &e->xkey;
6684         struct key              *kp;
6685         struct swm_region       *r;
6686
6687         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6688         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6689                 return;
6690         if (keyfuncs[kp->funcid].func == NULL)
6691                 return;
6692
6693         r = root_to_region(ev->root);
6694         if (kp->funcid == kf_spawn_custom)
6695                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6696         else
6697                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6698 }
6699
6700 void
6701 buttonpress(XEvent *e)
6702 {
6703         struct ws_win           *win;
6704         int                     i, action;
6705         XButtonPressedEvent     *ev = &e->xbutton;
6706
6707         if ((win = find_window(ev->window)) == NULL)
6708                 return;
6709
6710         focus_magic(win);
6711         action = client_click;
6712
6713         for (i = 0; i < LENGTH(buttons); i++)
6714                 if (action == buttons[i].action && buttons[i].func &&
6715                     buttons[i].button == ev->button &&
6716                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6717                         buttons[i].func(win, &buttons[i].args);
6718 }
6719
6720 void
6721 configurerequest(XEvent *e)
6722 {
6723         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6724         struct ws_win           *win;
6725         int                     new = 0;
6726         XWindowChanges          wc;
6727
6728         if ((win = find_window(ev->window)) == NULL)
6729                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6730                         new = 1;
6731
6732         if (new) {
6733                 bzero(&wc, sizeof wc);
6734                 wc.x = ev->x;
6735                 wc.y = ev->y;
6736                 wc.width = ev->width;
6737                 wc.height = ev->height;
6738                 wc.border_width = ev->border_width;
6739                 wc.sibling = ev->above;
6740                 wc.stack_mode = ev->detail;
6741
6742                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6743                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6744                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6745
6746                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6747         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6748             !(win->sh_mask & EWMH_F_FULLSCREEN)) {
6749                 win->g_float.x = ev->x - X(win->ws->r);
6750                 win->g_float.y = ev->y - Y(win->ws->r);
6751                 win->g_float.w = ev->width;
6752                 win->g_float.h = ev->height;
6753                 win->g_floatvalid = 1;
6754
6755                 if (win->floating) {
6756                         win->g = win->g_float;
6757                         win->g.x += X(win->ws->r);
6758                         win->g.y += Y(win->ws->r);
6759                         update_window(win);
6760                 } else {
6761                         config_win(win, ev);
6762                 }
6763         } else {
6764                 config_win(win, ev);
6765         }
6766 }
6767
6768 void
6769 configurenotify(XEvent *e)
6770 {
6771         struct ws_win           *win;
6772
6773         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6774             e->xconfigure.window);
6775
6776         win = find_window(e->xconfigure.window);
6777         if (win) {
6778                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6779                 adjust_font(win);
6780                 if (font_adjusted)
6781                         stack();
6782                 if (focus_mode == SWM_FOCUS_DEFAULT)
6783                         drain_enter_notify();
6784         }
6785 }
6786
6787 void
6788 destroynotify(XEvent *e)
6789 {
6790         struct ws_win           *win;
6791         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6792
6793         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6794
6795         if ((win = find_window(ev->window)) == NULL) {
6796                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6797                         return;
6798                 free_window(win);
6799                 return;
6800         }
6801
6802         /* make sure we focus on something */
6803         win->floating = 0;
6804
6805         unmanage_window(win);
6806         stack();
6807         if (focus_mode == SWM_FOCUS_DEFAULT)
6808                 drain_enter_notify();
6809         free_window(win);
6810 }
6811
6812 void
6813 enternotify(XEvent *e)
6814 {
6815         XCrossingEvent          *ev = &e->xcrossing;
6816         XEvent                  cne;
6817         struct ws_win           *win;
6818 #if 0
6819         struct ws_win           *w;
6820         Window                  focus_return;
6821         int                     revert_to_return;
6822 #endif
6823         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6824             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6825             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6826             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6827
6828         if (ev->mode != NotifyNormal) {
6829                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6830                     "cursor grab.\n");
6831                 return;
6832         }
6833
6834         switch (focus_mode) {
6835         case SWM_FOCUS_DEFAULT:
6836                 break;
6837         case SWM_FOCUS_FOLLOW:
6838                 break;
6839         case SWM_FOCUS_SYNERGY:
6840 #if 0
6841         /*
6842          * all these checks need to be in this order because the
6843          * XCheckTypedWindowEvent relies on weeding out the previous events
6844          *
6845          * making this code an option would enable a follow mouse for focus
6846          * feature
6847          */
6848
6849         /*
6850          * state is set when we are switching workspaces and focus is set when
6851          * the window or a subwindow already has focus (occurs during restart).
6852          *
6853          * Only honor the focus flag if last_focus_event is not FocusOut,
6854          * this allows spectrwm to continue to control focus when another
6855          * program is also playing with it.
6856          */
6857         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6858                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6859                 return;
6860         }
6861
6862         /*
6863          * happens when a window is created or destroyed and the border
6864          * crosses the mouse pointer and when switching ws
6865          *
6866          * we need the subwindow test to see if we came from root in order
6867          * to give focus to floaters
6868          */
6869         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6870             ev->subwindow == 0) {
6871                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6872                 return;
6873         }
6874
6875         /* this window already has focus */
6876         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6877                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6878                 return;
6879         }
6880
6881         /* this window is being deleted or moved to another ws */
6882         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6883             &cne) == True) {
6884                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6885                 XPutBackEvent(display, &cne);
6886                 return;
6887         }
6888
6889         if ((win = find_window(ev->window)) == NULL) {
6890                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6891                 return;
6892         }
6893
6894         /*
6895          * In fullstack kill all enters unless they come from a different ws
6896          * (i.e. another region) or focus has been grabbed externally.
6897          */
6898         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6899             last_focus_event != FocusOut) {
6900                 XGetInputFocus(display, &focus_return, &revert_to_return);
6901                 if ((w = find_window(focus_return)) == NULL ||
6902                     w->ws == win->ws) {
6903                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6904                         return;
6905                 }
6906         }
6907 #endif
6908                 break;
6909         }
6910
6911         if ((win = find_window(ev->window)) == NULL) {
6912                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6913                 return;
6914         }
6915
6916         /*
6917          * if we have more enternotifies let them handle it in due time
6918          */
6919         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6920                 DNPRINTF(SWM_D_EVENT,
6921                     "ignoring enternotify: got more enternotify\n");
6922                 XPutBackEvent(display, &cne);
6923                 return;
6924         }
6925
6926         focus_magic(win);
6927 }
6928
6929 /* lets us use one switch statement for arbitrary mode/detail combinations */
6930 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6931
6932 void
6933 focusevent(XEvent *e)
6934 {
6935 #if 0
6936         struct ws_win           *win;
6937         u_int32_t               mode_detail;
6938         XFocusChangeEvent       *ev = &e->xfocus;
6939
6940         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6941             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6942             ev->window, ev->mode, ev->detail);
6943
6944         if (last_focus_event == ev->type) {
6945                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6946                 return;
6947         }
6948
6949         last_focus_event = ev->type;
6950         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6951
6952         switch (mode_detail) {
6953         /* synergy client focus operations */
6954         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6955         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6956
6957         /* synergy server focus operations */
6958         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6959
6960         /* Entering applications like rdesktop that mangle the pointer */
6961         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6962
6963                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6964                         XSetWindowBorder(display, win->id,
6965                             win->ws->r->s->c[ev->type == FocusIn ?
6966                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6967                 break;
6968         default:
6969                 warnx("ignoring focusevent");
6970                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6971                 break;
6972         }
6973 #endif
6974 }
6975
6976 void
6977 mapnotify(XEvent *e)
6978 {
6979         struct ws_win           *win;
6980         XMapEvent               *ev = &e->xmap;
6981
6982         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6983
6984         win = manage_window(ev->window);
6985         if (win)
6986                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
6987
6988         /*
6989          * focus_win can only set input focus on a mapped window.
6990          * make sure the window really has focus since it is just being mapped.
6991          */
6992         if (win->ws->focus == win)
6993                 focus_win(win);
6994 }
6995
6996 void
6997 mappingnotify(XEvent *e)
6998 {
6999         XMappingEvent           *ev = &e->xmapping;
7000
7001         XRefreshKeyboardMapping(ev);
7002         if (ev->request == MappingKeyboard)
7003                 grabkeys();
7004 }
7005
7006 void
7007 maprequest(XEvent *e)
7008 {
7009         struct ws_win           *win;
7010         struct swm_region       *r;
7011         XWindowAttributes       wa;
7012         XMapRequestEvent        *ev = &e->xmaprequest;
7013
7014         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
7015             e->xmaprequest.window);
7016
7017         if (!XGetWindowAttributes(display, ev->window, &wa))
7018                 return;
7019         if (wa.override_redirect)
7020                 return;
7021
7022         win = manage_window(e->xmaprequest.window);
7023         if (win == NULL)
7024                 return; /* can't happen */
7025
7026         stack();
7027
7028         /* make new win focused */
7029         r = root_to_region(win->wa.root);
7030         if (win->ws == r->ws)
7031                 focus_magic(win);
7032 }
7033
7034 void
7035 propertynotify(XEvent *e)
7036 {
7037         struct ws_win           *win;
7038         XPropertyEvent          *ev = &e->xproperty;
7039 #ifdef SWM_DEBUG
7040         char                    *name;
7041         name = XGetAtomName(display, ev->atom);
7042         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
7043             ev->window, name);
7044         XFree(name);
7045 #endif
7046
7047         win = find_window(ev->window);
7048         if (win == NULL)
7049                 return;
7050
7051         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
7052                 update_iconic(win, 0);
7053                 map_window_raised(win->id);
7054                 stack();
7055                 focus_win(win);
7056                 return;
7057         }
7058
7059         switch (ev->atom) {
7060 #if 0
7061         case XA_WM_NORMAL_HINTS:
7062                 long            mask;
7063                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
7064                 warnx("normal hints: flag 0x%x", win->sh.flags);
7065                 if (win->sh.flags & PMinSize) {
7066                         WIDTH(win) = win->sh.min_width;
7067                         HEIGHT(win) = win->sh.min_height;
7068                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7069                 }
7070                 XMoveResizeWindow(display, win->id,
7071                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7072 #endif
7073         case XA_WM_CLASS:
7074         case XA_WM_NAME:
7075                 bar_update();
7076                 break;
7077         default:
7078                 break;
7079         }
7080 }
7081
7082 void
7083 unmapnotify(XEvent *e)
7084 {
7085         struct ws_win           *win;
7086
7087         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7088
7089         /* determine if we need to help unmanage this window */
7090         win = find_window(e->xunmap.window);
7091         if (win == NULL)
7092                 return;
7093
7094         if (getstate(e->xunmap.window) == XCB_ICCCM_WM_STATE_NORMAL) {
7095                 unmanage_window(win);
7096                 stack();
7097
7098                 /* giant hack for apps that don't destroy transient windows */
7099                 /* eat a bunch of events to prevent remanaging the window */
7100                 XEvent                  cne;
7101                 while (XCheckWindowEvent(display, e->xunmap.window,
7102                     EnterWindowMask, &cne))
7103                         ;
7104                 while (XCheckWindowEvent(display, e->xunmap.window,
7105                     StructureNotifyMask, &cne))
7106                         ;
7107                 while (XCheckWindowEvent(display, e->xunmap.window,
7108                     SubstructureNotifyMask, &cne))
7109                         ;
7110                 /* resend unmap because we ated it */
7111                 XUnmapWindow(display, e->xunmap.window);
7112         }
7113
7114         if (focus_mode == SWM_FOCUS_DEFAULT)
7115                 drain_enter_notify();
7116 }
7117
7118 void
7119 visibilitynotify(XEvent *e)
7120 {
7121         int                     i, num_screens;
7122         struct swm_region       *r;
7123
7124         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7125             e->xvisibility.window);
7126
7127         if (e->xvisibility.state == VisibilityUnobscured) {
7128                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7129                 for (i = 0; i < num_screens; i++)
7130                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7131                                 if (e->xvisibility.window == WINID(r->bar))
7132                                         bar_update();
7133         }
7134 }
7135
7136 void
7137 clientmessage(XEvent *e)
7138 {
7139         XClientMessageEvent     *ev;
7140         struct ws_win           *win;
7141
7142         ev = &e->xclient;
7143
7144         win = find_window(ev->window);
7145         if (win == NULL) {
7146                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7147                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7148                             "unmanaged window.\n");
7149                         e->xmaprequest.window = ev->window;
7150                         maprequest(e);
7151                 }
7152                 return;
7153         }
7154
7155         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7156             ev->window, ev->message_type);
7157
7158         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7159                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7160                 focus_win(win);
7161         }
7162         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7163                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7164                 if (win->can_delete)
7165                         client_msg(win, adelete);
7166                 else
7167                         xcb_kill_client(conn, win->id);
7168         }
7169         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7170                 DNPRINTF(SWM_D_EVENT,
7171                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7172                 if (win->floating) {
7173                         if (ev->data.l[0] & (1<<8)) /* x */
7174                                 X(win) = ev->data.l[1];
7175                         if (ev->data.l[0] & (1<<9)) /* y */
7176                                 Y(win) = ev->data.l[2];
7177                         if (ev->data.l[0] & (1<<10)) /* width */
7178                                 WIDTH(win) = ev->data.l[3];
7179                         if (ev->data.l[0] & (1<<11)) /* height */
7180                                 HEIGHT(win) = ev->data.l[4];
7181
7182                         update_window(win);
7183                 }
7184                 else {
7185                         /* TODO: Change stack sizes */
7186                         /* notify no change was made. */
7187                         config_win(win, NULL);
7188                 }
7189         }
7190         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7191                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7192                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7193                 if (ev->data.l[2])
7194                         ewmh_update_win_state(win, ev->data.l[2],
7195                             ev->data.l[0]);
7196
7197                 stack();
7198         }
7199 }
7200
7201 int
7202 xerror_start(Display *d, XErrorEvent *ee)
7203 {
7204         other_wm = 1;
7205         return (-1);
7206 }
7207
7208 int
7209 xerror(Display *d, XErrorEvent *ee)
7210 {
7211         /* warnx("error: %p %p", display, ee); */
7212         return (-1);
7213 }
7214
7215 int
7216 active_wm(void)
7217 {
7218         other_wm = 0;
7219         xerrorxlib = XSetErrorHandler(xerror_start);
7220
7221         /* this causes an error if some other window manager is running */
7222         XSelectInput(display, DefaultRootWindow(display),
7223             SubstructureRedirectMask);
7224         do_sync();
7225         if (other_wm)
7226                 return (1);
7227
7228         XSetErrorHandler(xerror);
7229         do_sync();
7230         return (0);
7231 }
7232
7233 void
7234 new_region(struct swm_screen *s, int x, int y, int w, int h)
7235 {
7236         struct swm_region       *r, *n;
7237         struct workspace        *ws = NULL;
7238         int                     i;
7239
7240         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7241              s->idx, w, h, x, y);
7242
7243         /* remove any conflicting regions */
7244         n = TAILQ_FIRST(&s->rl);
7245         while (n) {
7246                 r = n;
7247                 n = TAILQ_NEXT(r, entry);
7248                 if (X(r) < (x + w) &&
7249                     (X(r) + WIDTH(r)) > x &&
7250                     Y(r) < (y + h) &&
7251                     (Y(r) + HEIGHT(r)) > y) {
7252                         if (r->ws->r != NULL)
7253                                 r->ws->old_r = r->ws->r;
7254                         r->ws->r = NULL;
7255                         bar_cleanup(r);
7256                         TAILQ_REMOVE(&s->rl, r, entry);
7257                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7258                 }
7259         }
7260
7261         /* search old regions for one to reuse */
7262
7263         /* size + location match */
7264         TAILQ_FOREACH(r, &s->orl, entry)
7265                 if (X(r) == x && Y(r) == y &&
7266                     HEIGHT(r) == h && WIDTH(r) == w)
7267                         break;
7268
7269         /* size match */
7270         TAILQ_FOREACH(r, &s->orl, entry)
7271                 if (HEIGHT(r) == h && WIDTH(r) == w)
7272                         break;
7273
7274         if (r != NULL) {
7275                 TAILQ_REMOVE(&s->orl, r, entry);
7276                 /* try to use old region's workspace */
7277                 if (r->ws->r == NULL)
7278                         ws = r->ws;
7279         } else
7280                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7281                         err(1, "new_region: calloc: failed to allocate memory "
7282                             "for screen");
7283
7284         /* if we don't have a workspace already, find one */
7285         if (ws == NULL) {
7286                 for (i = 0; i < workspace_limit; i++)
7287                         if (s->ws[i].r == NULL) {
7288                                 ws = &s->ws[i];
7289                                 break;
7290                         }
7291         }
7292
7293         if (ws == NULL)
7294                 errx(1, "new_region: no free workspaces");
7295
7296         X(r) = x;
7297         Y(r) = y;
7298         WIDTH(r) = w;
7299         HEIGHT(r) = h;
7300         r->s = s;
7301         r->ws = ws;
7302         r->ws_prior = NULL;
7303         ws->r = r;
7304         outputs++;
7305         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7306 }
7307
7308 void
7309 scan_xrandr(int i)
7310 {
7311 #ifdef SWM_XRR_HAS_CRTC
7312         int                                             c;
7313         int                                             ncrtc = 0;
7314 #endif /* SWM_XRR_HAS_CRTC */
7315         struct swm_region                               *r;
7316         int                                             num_screens;
7317         xcb_randr_get_screen_resources_current_cookie_t src;
7318         xcb_randr_get_screen_resources_current_reply_t  *srr;
7319         xcb_randr_get_crtc_info_cookie_t                cic;
7320         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7321         xcb_randr_crtc_t                                *crtc;
7322         xcb_screen_t                                    *screen = get_screen(i);
7323
7324         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7325         if (i >= num_screens)
7326                 errx(1, "scan_xrandr: invalid screen");
7327
7328         /* remove any old regions */
7329         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7330                 r->ws->old_r = r->ws->r = NULL;
7331                 bar_cleanup(r);
7332                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7333                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7334         }
7335         outputs = 0;
7336
7337         /* map virtual screens onto physical screens */
7338 #ifdef SWM_XRR_HAS_CRTC
7339         if (xrandr_support) {
7340                 src = xcb_randr_get_screen_resources_current(conn,
7341                         screens[i].root);
7342                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7343                         NULL);
7344                 if (srr == NULL) {
7345                         new_region(&screens[i], 0, 0,
7346                             screen->width_in_pixels,
7347                             screen->height_in_pixels);
7348                         return;
7349                 } else
7350                         ncrtc = srr->num_crtcs;
7351                 for (c = 0; c < ncrtc; c++) {
7352                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7353                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7354                                 XCB_CURRENT_TIME);
7355                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7356                         if (cir == NULL)
7357                                 continue;
7358                         if (cir->num_outputs == 0) {
7359                                 free(cir);
7360                                 continue;
7361                         }
7362
7363                         if (cir->mode == 0)
7364                                 new_region(&screens[i], 0, 0,
7365                                     screen->width_in_pixels,
7366                                     screen->height_in_pixels);
7367                         else
7368                                 new_region(&screens[i],
7369                                     cir->x, cir->y, cir->width, cir->height);
7370                         free(cir);
7371                 }
7372                 free(srr);
7373         } else
7374 #endif /* SWM_XRR_HAS_CRTC */
7375         {
7376                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7377                     screen->height_in_pixels);
7378         }
7379 }
7380
7381 void
7382 screenchange(XEvent *e)
7383 {
7384         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7385         struct swm_region               *r;
7386         int                             i, num_screens;
7387
7388         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7389
7390         if (!XRRUpdateConfiguration(e))
7391                 return;
7392
7393         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7394         /* silly event doesn't include the screen index */
7395         for (i = 0; i < num_screens; i++)
7396                 if (screens[i].root == xe->root)
7397                         break;
7398         if (i >= num_screens)
7399                 errx(1, "screenchange: screen not found");
7400
7401         /* brute force for now, just re-enumerate the regions */
7402         scan_xrandr(i);
7403
7404         /* add bars to all regions */
7405         for (i = 0; i < num_screens; i++)
7406                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7407                         bar_setup(r);
7408         stack();
7409         if (focus_mode == SWM_FOCUS_DEFAULT)
7410                 drain_enter_notify();
7411 }
7412
7413 void
7414 grab_windows(void)
7415 {
7416         xcb_window_t            *wins   = NULL;
7417         int                     no;
7418         int                     i, j, num_screens;
7419         uint16_t                state, manage;
7420
7421         xcb_query_tree_cookie_t                 qtc;
7422         xcb_query_tree_reply_t                  *qtr;
7423         xcb_get_window_attributes_cookie_t      c;
7424         xcb_get_window_attributes_reply_t       *r;
7425         xcb_get_property_cookie_t               pc;
7426
7427         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7428         for (i = 0; i < num_screens; i++) {
7429                 qtc = xcb_query_tree(conn, screens[i].root);
7430                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7431                 if (!qtr)
7432                         continue;
7433                 wins = xcb_query_tree_children(qtr);
7434                 no = xcb_query_tree_children_length(qtr);
7435                 /* attach windows to a region */
7436                 /* normal windows */
7437                 for (j = 0; j < no; j++) {
7438                         c = xcb_get_window_attributes(conn, wins[j]);
7439                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7440                         if (!r)
7441                                 continue;
7442                         if (r->override_redirect) {
7443                                 free(r);
7444                                 continue;
7445                         }
7446
7447                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7448                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7449                                         NULL)) {
7450                                 free(r);
7451                                 continue;
7452                         }
7453
7454                         state = getstate(wins[j]);
7455                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7456                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7457                                 manage_window(wins[j]);
7458                         free(r);
7459                 }
7460                 /* transient windows */
7461                 for (j = 0; j < no; j++) {
7462                         c = xcb_get_window_attributes(conn, wins[j]);
7463                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7464                         if (!r)
7465                                 continue;
7466                         if (r->override_redirect) {
7467                                 free(r);
7468                                 continue;
7469                         }
7470                         free(r);
7471
7472                         state = getstate(wins[j]);
7473                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7474                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7475                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7476                                         NULL) && manage)
7477                                 manage_window(wins[j]);
7478                 }
7479                 free(qtr);
7480         }
7481 }
7482
7483 void
7484 setup_screens(void)
7485 {
7486         int                     i, j, k, num_screens;
7487         struct workspace        *ws;
7488         uint32_t                gcv[1];
7489         const xcb_query_extension_reply_t *qep;
7490         xcb_randr_query_version_cookie_t        c;
7491         xcb_randr_query_version_reply_t         *r;
7492
7493         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7494         if ((screens = calloc(num_screens,
7495              sizeof(struct swm_screen))) == NULL)
7496                 err(1, "setup_screens: calloc: failed to allocate memory for "
7497                     "screens");
7498
7499         /* initial Xrandr setup */
7500         xrandr_support = False;
7501         c = xcb_randr_query_version(conn, True, True);
7502         r = xcb_randr_query_version_reply(conn, c, NULL);
7503         if (r) {
7504                 if (r->major_version >= 1)
7505                         xrandr_support = True;
7506                 free(r);
7507         }
7508         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7509         xrandr_eventbase = qep->first_event;
7510
7511         /* map physical screens */
7512         for (i = 0; i < num_screens; i++) {
7513                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7514                 screens[i].idx = i;
7515                 TAILQ_INIT(&screens[i].rl);
7516                 TAILQ_INIT(&screens[i].orl);
7517                 screens[i].root = RootWindow(display, i);
7518
7519                 /* set default colors */
7520                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7521                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7522                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7523                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7524                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7525
7526                 /* create graphics context on screen */
7527                 screens[i].bar_gc = xcb_generate_id(conn);
7528                 gcv[0] = 0;
7529                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7530                         XCB_GC_GRAPHICS_EXPOSURES, gcv);
7531
7532                 /* set default cursor */
7533                 XDefineCursor(display, screens[i].root,
7534                     XCreateFontCursor(display, XC_left_ptr));
7535
7536                 /* init all workspaces */
7537                 /* XXX these should be dynamically allocated too */
7538                 for (j = 0; j < SWM_WS_MAX; j++) {
7539                         ws = &screens[i].ws[j];
7540                         ws->idx = j;
7541                         ws->name = NULL;
7542                         ws->focus = NULL;
7543                         ws->r = NULL;
7544                         ws->old_r = NULL;
7545                         TAILQ_INIT(&ws->winlist);
7546                         TAILQ_INIT(&ws->unmanagedlist);
7547
7548                         for (k = 0; layouts[k].l_stack != NULL; k++)
7549                                 if (layouts[k].l_config != NULL)
7550                                         layouts[k].l_config(ws,
7551                                             SWM_ARG_ID_STACKINIT);
7552                         ws->cur_layout = &layouts[0];
7553                         ws->cur_layout->l_string(ws);
7554                 }
7555
7556                 scan_xrandr(i);
7557
7558                 if (xrandr_support)
7559                         xcb_randr_select_input(conn, screens[i].root,
7560                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7561         }
7562 }
7563
7564 void
7565 setup_globals(void)
7566 {
7567         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7568                 err(1, "setup_globals: strdup: failed to allocate memory.");
7569
7570         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7571                 err(1, "setup_globals: strdup: failed to allocate memory.");
7572 }
7573
7574 void
7575 workaround(void)
7576 {
7577         int                     i, num_screens;
7578         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7579         xcb_window_t            root, win;
7580         xcb_screen_t            *screen;
7581         uint32_t                wa[2];
7582
7583         /* work around sun jdk bugs, code from wmname */
7584         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7585         netwmname = get_atom_from_string("_NET_WM_NAME");
7586         utf8_string = get_atom_from_string("UTF8_STRING");
7587
7588         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7589         for (i = 0; i < num_screens; i++) {
7590                 root = screens[i].root;
7591                 screen = get_screen(i);
7592
7593                 win = xcb_generate_id(conn);
7594                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7595                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7596                 xcb_create_window(conn, screen->root_depth, win, 0,
7597                         0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
7598                         screen->root_visual,
7599                         XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7600
7601                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7602                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7603                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7604                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7605                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7606                         netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7607         }
7608 }
7609
7610 int
7611 main(int argc, char *argv[])
7612 {
7613         struct swm_region       *r, *rr;
7614         struct ws_win           *winfocus = NULL;
7615         struct timeval          tv;
7616         union arg               a;
7617         char                    conf[PATH_MAX], *cfile = NULL;
7618         struct stat             sb;
7619         XEvent                  e;
7620         int                     xfd, i, num_screens;
7621         fd_set                  rd;
7622         struct sigaction        sact;
7623
7624         start_argv = argv;
7625         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7626         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7627             !XSupportsLocale())
7628                 warnx("no locale support");
7629
7630         if (!X_HAVE_UTF8_STRING)
7631                 warnx("no UTF-8 support");
7632
7633         if (!(display = XOpenDisplay(0)))
7634                 errx(1, "can not open display");
7635
7636         if (!(conn = XGetXCBConnection(display)))
7637                 errx(1, "can not get XCB connection");
7638
7639         if (active_wm())
7640                 errx(1, "other wm running");
7641
7642         /* handle some signals */
7643         bzero(&sact, sizeof(sact));
7644         sigemptyset(&sact.sa_mask);
7645         sact.sa_flags = 0;
7646         sact.sa_handler = sighdlr;
7647         sigaction(SIGINT, &sact, NULL);
7648         sigaction(SIGQUIT, &sact, NULL);
7649         sigaction(SIGTERM, &sact, NULL);
7650         sigaction(SIGHUP, &sact, NULL);
7651
7652         sact.sa_handler = sighdlr;
7653         sact.sa_flags = SA_NOCLDSTOP;
7654         sigaction(SIGCHLD, &sact, NULL);
7655
7656         astate = get_atom_from_string("WM_STATE");
7657         aprot = get_atom_from_string("WM_PROTOCOLS");
7658         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7659         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7660         a_wmname = get_atom_from_string("WM_NAME");
7661         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7662         a_utf8_string = get_atom_from_string("UTF8_STRING");
7663         a_string = get_atom_from_string("STRING");
7664         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7665
7666         /* look for local and global conf file */
7667         pwd = getpwuid(getuid());
7668         if (pwd == NULL)
7669                 errx(1, "invalid user: %d", getuid());
7670
7671         setup_globals();
7672         setup_screens();
7673         setup_keys();
7674         setup_quirks();
7675         setup_spawn();
7676
7677         /* load config */
7678         for (i = 0; ; i++) {
7679                 conf[0] = '\0';
7680                 switch (i) {
7681                 case 0:
7682                         /* ~ */
7683                         snprintf(conf, sizeof conf, "%s/.%s",
7684                             pwd->pw_dir, SWM_CONF_FILE);
7685                         break;
7686                 case 1:
7687                         /* global */
7688                         snprintf(conf, sizeof conf, "/etc/%s",
7689                             SWM_CONF_FILE);
7690                         break;
7691                 case 2:
7692                         /* ~ compat */
7693                         snprintf(conf, sizeof conf, "%s/.%s",
7694                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7695                         break;
7696                 case 3:
7697                         /* global compat */
7698                         snprintf(conf, sizeof conf, "/etc/%s",
7699                             SWM_CONF_FILE_OLD);
7700                         break;
7701                 default:
7702                         goto noconfig;
7703                 }
7704
7705                 if (strlen(conf) && stat(conf, &sb) != -1)
7706                         if (S_ISREG(sb.st_mode)) {
7707                                 cfile = conf;
7708                                 break;
7709                         }
7710         }
7711 noconfig:
7712
7713         /* load conf (if any) */
7714         if (cfile)
7715                 conf_load(cfile, SWM_CONF_DEFAULT);
7716
7717         setup_ewmh();
7718         /* set some values to work around bad programs */
7719         workaround();
7720         /* grab existing windows (before we build the bars) */
7721         grab_windows();
7722
7723         if (getenv("SWM_STARTED") == NULL)
7724                 setenv("SWM_STARTED", "YES", 1);
7725
7726         /* setup all bars */
7727         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7728         for (i = 0; i < num_screens; i++)
7729                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7730                         if (winfocus == NULL)
7731                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7732                         bar_setup(r);
7733                 }
7734
7735         unfocus_all();
7736
7737         grabkeys();
7738         stack();
7739         if (focus_mode == SWM_FOCUS_DEFAULT)
7740                 drain_enter_notify();
7741
7742         xfd = xcb_get_file_descriptor(conn);
7743         while (running) {
7744                 while (XPending(display)) {
7745                         XNextEvent(display, &e);
7746                         if (running == 0)
7747                                 goto done;
7748                         if (e.type < LASTEvent) {
7749                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7750                                     "window: 0x%lx, type: %s (%d), %d remaining"
7751                                     "\n", YESNO(handler[e.type]),
7752                                     e.xany.window, geteventname(&e),
7753                                     e.type, QLength(display));
7754
7755                                 if (handler[e.type])
7756                                         handler[e.type](&e);
7757                         } else {
7758                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7759                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7760                                     xrandr_geteventname(&e), e.type);
7761
7762                                 switch (e.type - xrandr_eventbase) {
7763                                 case XCB_RANDR_SCREEN_CHANGE_NOTIFY:
7764                                         screenchange(&e);
7765                                         break;
7766                                 default:
7767                                         break;
7768                                 }
7769                         }
7770                 }
7771
7772                 /* if we are being restarted go focus on first window */
7773                 if (winfocus) {
7774                         rr = winfocus->ws->r;
7775                         if (rr == NULL) {
7776                                 /* not a visible window */
7777                                 winfocus = NULL;
7778                                 continue;
7779                         }
7780                         /* move pointer to first screen if multi screen */
7781                         if (num_screens > 1 || outputs > 1)
7782                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7783                                         rr->s[0].root, 0, 0, 0, 0, X(rr),
7784                                         Y(rr) + (bar_enabled ? bar_height : 0));
7785
7786                         a.id = SWM_ARG_ID_FOCUSCUR;
7787                         focus(rr, &a);
7788                         winfocus = NULL;
7789                         continue;
7790                 }
7791
7792                 FD_ZERO(&rd);
7793                 FD_SET(xfd, &rd);
7794                 tv.tv_sec = 1;
7795                 tv.tv_usec = 0;
7796                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7797                         if (errno != EINTR)
7798                                 DNPRINTF(SWM_D_MISC, "select failed");
7799                 if (restart_wm == 1)
7800                         restart(NULL, NULL);
7801                 if (search_resp == 1)
7802                         search_do_resp();
7803                 if (running == 0)
7804                         goto done;
7805                 if (bar_alarm) {
7806                         bar_alarm = 0;
7807                         bar_update();
7808                 }
7809         }
7810 done:
7811         teardown_ewmh();
7812         bar_extra_stop();
7813
7814         for (i = 0; i < num_screens; ++i)
7815                 if (screens[i].bar_gc != 0)
7816                         xcb_free_gc(conn, screens[i].bar_gc);
7817         XFreeFontSet(display, bar_fs);
7818         xcb_disconnect(conn);
7819         XCloseDisplay(display);
7820
7821         return (0);
7822 }