spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <paths.h>
  70 #include <ctype.h>
  71
  72 #include <sys/types.h>
  73 #include <sys/time.h>
  74 #include <sys/stat.h>
  75 #include <sys/wait.h>
  76 #include <sys/queue.h>
  77 #include <sys/param.h>
  78 #include <sys/select.h>
  79 #if defined(__linux__)
  80 #include "tree.h"
  81 #elif defined(__OpenBSD__)
  82 #include <sys/tree.h>
  83 #elif defined(__FreeBSD__)
  84 #include <sys/tree.h>
  85 #else
  86 #include "tree.h"
  87 #endif
  88
  89 #include <X11/cursorfont.h>
  90 #include <X11/keysym.h>
  91 #include <X11/XKBlib.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/Xlib-xcb.h>
  94 #include <xcb/randr.h>
  95 #include <xcb/xcb_atom.h>
  96 #include <xcb/xcb_icccm.h>
  97 #include <xcb/xcb_keysyms.h>
  98 #include <X11/Xproto.h>
  99 #include <X11/Xutil.h>
 100 #include <X11/extensions/Xrandr.h>
 101 #include <X11/extensions/XTest.h>
 102
 103 #ifdef __OSX__
 104 #include <osx.h>
 105 #endif
 106
 107 #include "version.h"
 108
 109 #ifdef SPECTRWM_BUILDSTR
 110 static const char       *buildstr = SPECTRWM_BUILDSTR;
 111 #else
 112 static const char       *buildstr = SPECTRWM_VERSION;
 113 #endif
 114
 115 #if RANDR_MAJOR < 1
 116 #  error XRandR versions less than 1.0 are not supported
 117 #endif
 118
 119 #if RANDR_MAJOR >= 1
 120 #if RANDR_MINOR >= 2
 121 #define SWM_XRR_HAS_CRTC
 122 #endif
 123 #endif
 124
 125 #if defined(__OpenBSD__)
 126 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 127 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 128 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 129 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 130 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 131 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 132 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 133 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 134 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 135 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 136 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 137 #endif
 138
 139 /*#define SWM_DEBUG*/
 140 #ifdef SWM_DEBUG
 141 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 142 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 143 #define SWM_D_MISC              0x0001
 144 #define SWM_D_EVENT             0x0002
 145 #define SWM_D_WS                0x0004
 146 #define SWM_D_FOCUS             0x0008
 147 #define SWM_D_MOVE              0x0010
 148 #define SWM_D_STACK             0x0020
 149 #define SWM_D_MOUSE             0x0040
 150 #define SWM_D_PROP              0x0080
 151 #define SWM_D_CLASS             0x0100
 152 #define SWM_D_KEY               0x0200
 153 #define SWM_D_QUIRK             0x0400
 154 #define SWM_D_SPAWN             0x0800
 155 #define SWM_D_EVENTQ            0x1000
 156 #define SWM_D_CONF              0x2000
 157 #define SWM_D_BAR               0x4000
 158
 159 u_int32_t               swm_debug = 0
 160                             | SWM_D_MISC
 161                             | SWM_D_EVENT
 162                             | SWM_D_WS
 163                             | SWM_D_FOCUS
 164                             | SWM_D_MOVE
 165                             | SWM_D_STACK
 166                             | SWM_D_MOUSE
 167                             | SWM_D_PROP
 168                             | SWM_D_CLASS
 169                             | SWM_D_KEY
 170                             | SWM_D_QUIRK
 171                             | SWM_D_SPAWN
 172                             | SWM_D_EVENTQ
 173                             | SWM_D_CONF
 174                             | SWM_D_BAR
 175                             ;
 176 #else
 177 #define DPRINTF(x...)
 178 #define DNPRINTF(n,x...)
 179 #endif
 180
 181 #define LENGTH(x)               (sizeof x / sizeof x[0])
 182 #define MODKEY                  Mod1Mask
 183 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 184 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 185 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 186 #define SWM_PROPLEN             (16)
 187 #define SWM_FUNCNAME_LEN        (32)
 188 #define SWM_KEYS_LEN            (255)
 189 #define SWM_QUIRK_LEN           (64)
 190 #define X(r)                    (r)->g.x
 191 #define Y(r)                    (r)->g.y
 192 #define WIDTH(r)                (r)->g.w
 193 #define HEIGHT(r)               (r)->g.h
 194 #define BORDER(w)               (w->bordered ? border_width : 0)
 195 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 196 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 197 #define SH_MIN(w)               (w)->sh.flags & XCB_SIZE_HINT_P_MIN_SIZE
 198 #define SH_MIN_W(w)             (w)->sh.min_width
 199 #define SH_MIN_H(w)             (w)->sh.min_height
 200 #define SH_MAX(w)               (w)->sh.flags & XCB_SIZE_HINT_P_MAX_SIZE
 201 #define SH_MAX_W(w)             (w)->sh.max_width
 202 #define SH_MAX_H(w)             (w)->sh.max_height
 203 #define SH_INC(w)               (w)->sh.flags & XCB_SIZE_HINT_P_RESIZE_INC
 204 #define SH_INC_W(w)             (w)->sh.width_inc
 205 #define SH_INC_H(w)             (w)->sh.height_inc
 206 #define SWM_MAX_FONT_STEPS      (3)
 207 #define WINID(w)                ((w) ? (w)->id : 0)
 208 #define YESNO(x)                ((x) ? "yes" : "no")
 209
 210 #define SWM_FOCUS_DEFAULT       (0)
 211 #define SWM_FOCUS_SYNERGY       (1)
 212 #define SWM_FOCUS_FOLLOW        (2)
 213
 214 #define SWM_CONF_DEFAULT        (0)
 215 #define SWM_CONF_KEYMAPPING     (1)
 216
 217 #ifndef SWM_LIB
 218 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 219 #endif
 220
 221 char                    **start_argv;
 222 xcb_atom_t              astate;
 223 xcb_atom_t              aprot;
 224 xcb_atom_t              adelete;
 225 xcb_atom_t              takefocus;
 226 xcb_atom_t              a_wmname;
 227 xcb_atom_t              a_netwmname;
 228 xcb_atom_t              a_utf8_string;
 229 xcb_atom_t              a_string;
 230 xcb_atom_t              a_swm_iconic;
 231 volatile sig_atomic_t   running = 1;
 232 volatile sig_atomic_t   restart_wm = 0;
 233 int                     outputs = 0;
 234 int                     last_focus_event = FocusOut;
 235 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 236 int                     other_wm;
 237 int                     ss_enabled = 0;
 238 int                     xrandr_support;
 239 int                     xrandr_eventbase;
 240 unsigned int            numlockmask = 0;
 241 Display                 *display;
 242 xcb_connection_t        *conn;
 243
 244 int                     cycle_empty = 0;
 245 int                     cycle_visible = 0;
 246 int                     term_width = 0;
 247 int                     font_adjusted = 0;
 248 unsigned int            mod_key = MODKEY;
 249
 250 /* dmenu search */
 251 struct swm_region       *search_r;
 252 int                     select_list_pipe[2];
 253 int                     select_resp_pipe[2];
 254 pid_t                   searchpid;
 255 volatile sig_atomic_t   search_resp;
 256 int                     search_resp_action;
 257
 258 struct search_window {
 259         TAILQ_ENTRY(search_window)      entry;
 260         int                             idx;
 261         struct ws_win                   *win;
 262         xcb_gcontext_t                  gc;
 263         xcb_window_t                    indicator;
 264 };
 265 TAILQ_HEAD(search_winlist, search_window);
 266 struct search_winlist                   search_wl;
 267
 268 /* search actions */
 269 enum {
 270         SWM_SEARCH_NONE,
 271         SWM_SEARCH_UNICONIFY,
 272         SWM_SEARCH_NAME_WORKSPACE,
 273         SWM_SEARCH_SEARCH_WORKSPACE,
 274         SWM_SEARCH_SEARCH_WINDOW
 275 };
 276
 277 #define SWM_STACK_TOP           (0)
 278 #define SWM_STACK_BOTTOM        (1)
 279 #define SWM_STACK_ABOVE         (2)
 280 #define SWM_STACK_BELOW         (3)
 281
 282 /* dialog windows */
 283 double                  dialog_ratio = 0.6;
 284 /* status bar */
 285 #define SWM_BAR_MAX             (256)
 286 #define SWM_BAR_JUSTIFY_LEFT    (0)
 287 #define SWM_BAR_JUSTIFY_CENTER  (1)
 288 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 289 #define SWM_BAR_OFFSET          (4)
 290 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 291                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 292                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 293                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 294                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 295
 296 char                    *bar_argv[] = { NULL, NULL };
 297 int                     bar_pipe[2];
 298 unsigned char           bar_ext[SWM_BAR_MAX];
 299 char                    bar_vertext[SWM_BAR_MAX];
 300 int                     bar_version = 0;
 301 sig_atomic_t            bar_alarm = 0;
 302 int                     bar_delay = 30;
 303 int                     bar_enabled = 1;
 304 int                     bar_border_width = 1;
 305 int                     bar_at_bottom = 0;
 306 int                     bar_extra = 1;
 307 int                     bar_extra_running = 0;
 308 int                     bar_verbose = 1;
 309 int                     bar_height = 0;
 310 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 311 char                    *bar_format = NULL;
 312 int                     stack_enabled = 1;
 313 int                     clock_enabled = 1;
 314 int                     urgent_enabled = 0;
 315 char                    *clock_format = NULL;
 316 int                     title_name_enabled = 0;
 317 int                     title_class_enabled = 0;
 318 int                     window_name_enabled = 0;
 319 int                     focus_mode = SWM_FOCUS_DEFAULT;
 320 int                     focus_close = SWM_STACK_BELOW;
 321 int                     focus_close_wrap = 1;
 322 int                     focus_default = SWM_STACK_TOP;
 323 int                     spawn_position = SWM_STACK_TOP;
 324 int                     disable_border = 0;
 325 int                     border_width = 1;
 326 int                     verbose_layout = 0;
 327 pid_t                   bar_pid;
 328 XFontSet                bar_fs;
 329 XFontSetExtents         *bar_fs_extents;
 330 char                    *bar_fonts;
 331 struct passwd           *pwd;
 332
 333 #define SWM_MENU_FN     (2)
 334 #define SWM_MENU_NB     (4)
 335 #define SWM_MENU_NF     (6)
 336 #define SWM_MENU_SB     (8)
 337 #define SWM_MENU_SF     (10)
 338
 339 /* layout manager data */
 340 struct swm_geometry {
 341         int                     x;
 342         int                     y;
 343         int                     w;
 344         int                     h;
 345 };
 346
 347 struct swm_screen;
 348 struct workspace;
 349
 350 struct swm_bar {
 351         xcb_window_t            id;
 352         xcb_pixmap_t            buffer;
 353         struct swm_geometry     g;
 354 };
 355
 356 /* virtual "screens" */
 357 struct swm_region {
 358         TAILQ_ENTRY(swm_region) entry;
 359         struct swm_geometry     g;
 360         struct workspace        *ws;    /* current workspace on this region */
 361         struct workspace        *ws_prior; /* prior workspace on this region */
 362         struct swm_screen       *s;     /* screen idx */
 363         struct swm_bar          *bar;
 364 };
 365 TAILQ_HEAD(swm_region_list, swm_region);
 366
 367 struct ws_win {
 368         TAILQ_ENTRY(ws_win)     entry;
 369         xcb_window_t            id;
 370         xcb_window_t            transient;
 371         struct ws_win           *child_trans;   /* transient child window */
 372         struct swm_geometry     g;              /* current geometry */
 373         struct swm_geometry     g_float;        /* region coordinates */
 374         int                     g_floatvalid;   /* g_float geometry validity */
 375         int                     floatmaxed;     /* whether maxed by max_stack */
 376         int                     floating;
 377         int                     manual;
 378         int32_t                 iconic;
 379         int                     bordered;
 380         unsigned int            ewmh_flags;
 381         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 382         int                     font_steps;
 383         int                     last_inc;
 384         int                     can_delete;
 385         int                     take_focus;
 386         int                     java;
 387         unsigned long           quirks;
 388         struct workspace        *ws;    /* always valid */
 389         struct swm_screen       *s;     /* always valid, never changes */
 390         xcb_get_geometry_reply_t        *wa;
 391         xcb_size_hints_t        sh;
 392         xcb_get_wm_class_reply_t        ch;
 393         xcb_wm_hints_t          hints;
 394 };
 395 TAILQ_HEAD(ws_win_list, ws_win);
 396
 397 /* pid goo */
 398 struct pid_e {
 399         TAILQ_ENTRY(pid_e)      entry;
 400         long                    pid;
 401         int                     ws;
 402 };
 403 TAILQ_HEAD(pid_list, pid_e);
 404 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 405
 406 /* layout handlers */
 407 void    stack(void);
 408 void    vertical_config(struct workspace *, int);
 409 void    vertical_stack(struct workspace *, struct swm_geometry *);
 410 void    horizontal_config(struct workspace *, int);
 411 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 412 void    max_stack(struct workspace *, struct swm_geometry *);
 413 void    plain_stacker(struct workspace *);
 414 void    fancy_stacker(struct workspace *);
 415
 416 struct ws_win *find_window(xcb_window_t);
 417
 418 void            grabbuttons(struct ws_win *, int);
 419 void            new_region(struct swm_screen *, int, int, int, int);
 420 void            unmanage_window(struct ws_win *);
 421 uint16_t        getstate(xcb_window_t);
 422
 423 int             conf_load(char *, int);
 424
 425 struct layout {
 426         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 427         void            (*l_config)(struct workspace *, int);
 428         u_int32_t       flags;
 429 #define SWM_L_FOCUSPREV         (1<<0)
 430 #define SWM_L_MAPONFOCUS        (1<<1)
 431         void            (*l_string)(struct workspace *);
 432 } layouts[] =  {
 433         /* stack,               configure */
 434         { vertical_stack,       vertical_config,        0,      plain_stacker },
 435         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 436         { max_stack,            NULL,
 437           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 438         { NULL,                 NULL,                   0,      NULL  },
 439 };
 440
 441 /* position of max_stack mode in the layouts array, index into layouts! */
 442 #define SWM_V_STACK             (0)
 443 #define SWM_H_STACK             (1)
 444 #define SWM_MAX_STACK           (2)
 445
 446 #define SWM_H_SLICE             (32)
 447 #define SWM_V_SLICE             (32)
 448
 449 /* define work spaces */
 450 struct workspace {
 451         int                     idx;            /* workspace index */
 452         char                    *name;          /* workspace name */
 453         int                     always_raise;   /* raise windows on focus */
 454         struct layout           *cur_layout;    /* current layout handlers */
 455         struct ws_win           *focus;         /* may be NULL */
 456         struct ws_win           *focus_prev;    /* may be NULL */
 457         struct swm_region       *r;             /* may be NULL */
 458         struct swm_region       *old_r;         /* may be NULL */
 459         struct ws_win_list      winlist;        /* list of windows in ws */
 460         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 461         char                    stacker[10];    /* display stacker and layout */
 462
 463         /* stacker state */
 464         struct {
 465                                 int horizontal_msize;
 466                                 int horizontal_mwin;
 467                                 int horizontal_stacks;
 468                                 int horizontal_flip;
 469                                 int vertical_msize;
 470                                 int vertical_mwin;
 471                                 int vertical_stacks;
 472                                 int vertical_flip;
 473         } l_state;
 474 };
 475
 476 enum {
 477         SWM_S_COLOR_BAR,
 478         SWM_S_COLOR_BAR_BORDER,
 479         SWM_S_COLOR_BAR_FONT,
 480         SWM_S_COLOR_FOCUS,
 481         SWM_S_COLOR_UNFOCUS,
 482         SWM_S_COLOR_MAX
 483 };
 484
 485 /* physical screen mapping */
 486 #define SWM_WS_MAX              (22)    /* hard limit */
 487 int             workspace_limit = 10;   /* soft limit */
 488
 489 struct swm_screen {
 490         int                     idx;    /* screen index */
 491         struct swm_region_list  rl;     /* list of regions on this screen */
 492         struct swm_region_list  orl;    /* list of old regions */
 493         xcb_window_t            root;
 494         struct workspace        ws[SWM_WS_MAX];
 495
 496         /* colors */
 497         struct {
 498                 uint32_t        color;
 499                 char            *name;
 500         } c[SWM_S_COLOR_MAX];
 501
 502         xcb_gcontext_t          bar_gc;
 503 };
 504 struct swm_screen       *screens;
 505
 506 /* args to functions */
 507 union arg {
 508         int                     id;
 509 #define SWM_ARG_ID_FOCUSNEXT    (0)
 510 #define SWM_ARG_ID_FOCUSPREV    (1)
 511 #define SWM_ARG_ID_FOCUSMAIN    (2)
 512 #define SWM_ARG_ID_FOCUSCUR     (4)
 513 #define SWM_ARG_ID_SWAPNEXT     (10)
 514 #define SWM_ARG_ID_SWAPPREV     (11)
 515 #define SWM_ARG_ID_SWAPMAIN     (12)
 516 #define SWM_ARG_ID_MOVELAST     (13)
 517 #define SWM_ARG_ID_MASTERSHRINK (20)
 518 #define SWM_ARG_ID_MASTERGROW   (21)
 519 #define SWM_ARG_ID_MASTERADD    (22)
 520 #define SWM_ARG_ID_MASTERDEL    (23)
 521 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 522 #define SWM_ARG_ID_STACKRESET   (30)
 523 #define SWM_ARG_ID_STACKINIT    (31)
 524 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 525 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 526 #define SWM_ARG_ID_CYCLESC_UP   (42)
 527 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 528 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 529 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 530 #define SWM_ARG_ID_STACKINC     (50)
 531 #define SWM_ARG_ID_STACKDEC     (51)
 532 #define SWM_ARG_ID_SS_ALL       (60)
 533 #define SWM_ARG_ID_SS_WINDOW    (61)
 534 #define SWM_ARG_ID_DONTCENTER   (70)
 535 #define SWM_ARG_ID_CENTER       (71)
 536 #define SWM_ARG_ID_KILLWINDOW   (80)
 537 #define SWM_ARG_ID_DELETEWINDOW (81)
 538 #define SWM_ARG_ID_WIDTHGROW    (90)
 539 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 540 #define SWM_ARG_ID_HEIGHTGROW   (92)
 541 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 542 #define SWM_ARG_ID_MOVEUP       (100)
 543 #define SWM_ARG_ID_MOVEDOWN     (101)
 544 #define SWM_ARG_ID_MOVELEFT     (102)
 545 #define SWM_ARG_ID_MOVERIGHT    (103)
 546         char                    **argv;
 547 };
 548
 549 void    focus(struct swm_region *, union arg *);
 550 void    focus_magic(struct ws_win *);
 551
 552 /* quirks */
 553 struct quirk {
 554         TAILQ_ENTRY(quirk)      entry;
 555         char                    *class;
 556         char                    *name;
 557         unsigned long           quirk;
 558 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 559 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 560 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 561 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 562 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 563 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 564 };
 565 TAILQ_HEAD(quirk_list, quirk);
 566 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 567
 568 /*
 569  * Supported EWMH hints should be added to
 570  * both the enum and the ewmh array
 571  */
 572 enum {
 573         _NET_ACTIVE_WINDOW,
 574         _NET_CLOSE_WINDOW,
 575         _NET_MOVERESIZE_WINDOW,
 576         _NET_WM_ACTION_CLOSE,
 577         _NET_WM_ACTION_FULLSCREEN,
 578         _NET_WM_ACTION_MOVE,
 579         _NET_WM_ACTION_RESIZE,
 580         _NET_WM_ALLOWED_ACTIONS,
 581         _NET_WM_STATE,
 582         _NET_WM_STATE_ABOVE,
 583         _NET_WM_STATE_FULLSCREEN,
 584         _NET_WM_STATE_HIDDEN,
 585         _NET_WM_STATE_MAXIMIZED_HORZ,
 586         _NET_WM_STATE_MAXIMIZED_VERT,
 587         _NET_WM_STATE_SKIP_PAGER,
 588         _NET_WM_STATE_SKIP_TASKBAR,
 589         _NET_WM_WINDOW_TYPE,
 590         _NET_WM_WINDOW_TYPE_DIALOG,
 591         _NET_WM_WINDOW_TYPE_DOCK,
 592         _NET_WM_WINDOW_TYPE_NORMAL,
 593         _NET_WM_WINDOW_TYPE_SPLASH,
 594         _NET_WM_WINDOW_TYPE_TOOLBAR,
 595         _NET_WM_WINDOW_TYPE_UTILITY,
 596         _SWM_WM_STATE_MANUAL,
 597         SWM_EWMH_HINT_MAX
 598 };
 599
 600 struct ewmh_hint {
 601         char            *name;
 602         xcb_atom_t      atom;
 603 } ewmh[SWM_EWMH_HINT_MAX] =     {
 604     /* must be in same order as in the enum */
 605     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 606     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 607     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 608     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 609     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 610     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 611     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 612     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 613     {"_NET_WM_STATE", XCB_ATOM_NONE},
 614     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 615     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 616     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 617     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 618     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 619     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 620     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 621     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 622     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 623     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 624     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 625     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 626     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 627     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 628     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 629 };
 630
 631 void             store_float_geom(struct ws_win *, struct swm_region *);
 632 int              floating_toggle_win(struct ws_win *);
 633 void             constrain_window(struct ws_win *, struct swm_region *, int);
 634 void             update_window(struct ws_win *);
 635 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 636 char            *get_win_name(xcb_window_t);
 637 xcb_atom_t       get_atom_from_string(const char *);
 638 void            map_window_raised(xcb_window_t);
 639 void            do_sync(void);
 640 xcb_screen_t    *get_screen(int);
 641 int             parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 642
 643 int
 644 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 645 {
 646         unsigned int    tmpr, tmpg, tmpb;
 647
 648         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 649                 return (-1);
 650
 651         *rr = tmpr << 8;
 652         *gg = tmpg << 8;
 653         *bb = tmpb << 8;
 654
 655         return (0);
 656 }
 657
 658 xcb_screen_t *
 659 get_screen(int screen)
 660 {
 661         xcb_screen_iterator_t i;
 662
 663         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 664         for (; i.rem; --screen, xcb_screen_next(&i))
 665                 if (screen == 0)
 666                         return (i.data);
 667
 668         return (NULL);
 669 }
 670
 671 void
 672 do_sync(void)
 673 {
 674         xcb_get_input_focus_cookie_t    c;
 675         xcb_get_input_focus_reply_t     *r;
 676
 677         /* mimic XSync() */
 678         c = xcb_get_input_focus(conn);
 679         xcb_flush(conn);
 680         r = xcb_get_input_focus_reply(conn, c, NULL);
 681         if (r)
 682                 free(r);
 683 }
 684
 685 void
 686 map_window_raised(xcb_window_t win)
 687 {
 688         uint32_t        val = XCB_STACK_MODE_ABOVE;
 689
 690         xcb_configure_window(conn, win,
 691                 XCB_CONFIG_WINDOW_STACK_MODE, &val);
 692
 693         xcb_map_window(conn, win);
 694         xcb_flush(conn);
 695 }
 696
 697 xcb_atom_t
 698 get_atom_from_string(const char *str)
 699 {
 700         xcb_intern_atom_cookie_t        c;
 701         xcb_intern_atom_reply_t         *r;
 702         xcb_atom_t                      atom;
 703
 704         c = xcb_intern_atom(conn, False, strlen(str), str);
 705         r = xcb_intern_atom_reply(conn, c, NULL);
 706         if (r) {
 707                 atom = r->atom;
 708                 free(r);
 709
 710                 return (atom);
 711         }
 712
 713         return (XCB_ATOM_NONE);
 714 }
 715
 716 void
 717 update_iconic(struct ws_win *win, int newv)
 718 {
 719         int32_t                         v = newv;
 720         xcb_atom_t                      iprop;
 721
 722         win->iconic = newv;
 723
 724         iprop = get_atom_from_string("_SWM_ICONIC");
 725         if (iprop == XCB_ATOM_NONE)
 726                 return;
 727
 728         if (newv)
 729                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 730                         iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 731         else
 732                 xcb_delete_property(conn, win->id, iprop);
 733 }
 734
 735 int32_t
 736 get_iconic(struct ws_win *win)
 737 {
 738         int32_t                         v = 0;
 739         xcb_atom_t                      iprop;
 740         xcb_get_property_reply_t        *pr = NULL;
 741
 742         iprop = get_atom_from_string("_SWM_ICONIC");
 743         if (iprop == XCB_ATOM_NONE)
 744                 goto out;
 745
 746         pr = xcb_get_property_reply(conn,
 747                 xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 748                         0, 1),
 749                 NULL);
 750         if (!pr)
 751                 goto out;
 752         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 753                 goto out;
 754         v = *((int32_t *)xcb_get_property_value(pr));
 755 out:
 756         if (pr)
 757                 free(pr);
 758         return (v);
 759 }
 760
 761 void
 762 setup_ewmh(void)
 763 {
 764         xcb_atom_t                      sup_list;
 765         int                             i, j, num_screens;
 766
 767         sup_list = get_atom_from_string("_NET_SUPPORTED");
 768
 769         for (i = 0; i < LENGTH(ewmh); i++)
 770                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 771
 772         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 773         for (i = 0; i < num_screens; i++) {
 774                 /* Support check window will be created by workaround(). */
 775
 776                 /* Report supported atoms */
 777                 xcb_delete_property(conn, screens[i].root, sup_list);
 778                 for (j = 0; j < LENGTH(ewmh); j++)
 779                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 780                                 screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 781                                 &ewmh[j].atom);
 782         }
 783 }
 784
 785 void
 786 teardown_ewmh(void)
 787 {
 788         int                             i, num_screens;
 789         xcb_atom_t                      sup_check, sup_list;
 790         xcb_window_t                    id;
 791         xcb_get_property_cookie_t       pc;
 792         xcb_get_property_reply_t        *pr;
 793
 794         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 795         sup_list = get_atom_from_string("_NET_SUPPORTED");
 796         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 797
 798         for (i = 0; i < num_screens; i++) {
 799                 /* Get the support check window and destroy it */
 800                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 801                         XCB_ATOM_WINDOW, 0, 1);
 802                 pr = xcb_get_property_reply(conn, pc, NULL);
 803                 if (pr) {
 804                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 805
 806                         xcb_destroy_window(conn, id);
 807                         xcb_delete_property(conn, screens[i].root, sup_check);
 808                         xcb_delete_property(conn, screens[i].root, sup_list);
 809
 810                         free(pr);
 811                 }
 812         }
 813 }
 814
 815 void
 816 ewmh_autoquirk(struct ws_win *win)
 817 {
 818         int                     i;
 819         unsigned long           n;
 820         xcb_atom_t              type;
 821
 822         xcb_get_property_cookie_t       c;
 823         xcb_get_property_reply_t        *r;
 824
 825         c = xcb_get_property(conn, False, win->id,
 826                 ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, (~0L));
 827         r = xcb_get_property_reply(conn, c, NULL);
 828         if (!r)
 829                 return;
 830         n = xcb_get_property_value_length(r);
 831
 832         for (i = 0; i < n; i++) {
 833                 type = *((xcb_atom_t *)xcb_get_property_value(r));
 834                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 835                         break;
 836                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 837                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 838                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 839                         win->floating = 1;
 840                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 841                         break;
 842                 }
 843                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 844                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 845                         win->floating = 1;
 846                         win->quirks = SWM_Q_FLOAT;
 847                         break;
 848                 }
 849         }
 850         free(r);
 851 }
 852
 853 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 854 #define EWMH_F_FULLSCREEN               (1<<0)
 855 #define EWMH_F_ABOVE                    (1<<1)
 856 #define EWMH_F_HIDDEN                   (1<<2)
 857 #define EWMH_F_SKIP_PAGER               (1<<3)
 858 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 859 #define SWM_F_MANUAL                    (1<<5)
 860
 861 int
 862 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 863 {
 864         if (!win->ws->r)
 865                 return (0);
 866
 867         if (!win->floating)
 868                 return (0);
 869
 870         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 871             "fullscreen %s\n", win->id, YESNO(fs));
 872
 873         if (fs) {
 874                 if (!win->g_floatvalid)
 875                         store_float_geom(win, win->ws->r);
 876
 877                 win->g = win->ws->r->g;
 878                 win->bordered = 0;
 879         } else {
 880                 if (win->g_floatvalid) {
 881                         /* refloat at last floating relative position */
 882                         win->g = win->g_float;
 883                         X(win) += X(win->ws->r);
 884                         Y(win) += Y(win->ws->r);
 885                 }
 886         }
 887
 888         return (1);
 889 }
 890
 891 void
 892 ewmh_update_actions(struct ws_win *win)
 893 {
 894         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 895         int                     n = 0;
 896
 897         if (win == NULL)
 898                 return;
 899
 900         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 901
 902         if (win->floating) {
 903                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 904                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 905         }
 906
 907         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 908                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 909                 actions);
 910 }
 911
 912 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 913 #define _NET_WM_STATE_ADD       1    /* add/set property */
 914 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 915
 916 void
 917 ewmh_update_win_state(struct ws_win *win, long state, long action)
 918 {
 919         unsigned int            mask = 0;
 920         unsigned int            changed = 0;
 921         unsigned int            orig_flags;
 922
 923         if (win == NULL)
 924                 return;
 925
 926         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 927                 mask = EWMH_F_FULLSCREEN;
 928         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 929                 mask = EWMH_F_ABOVE;
 930         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 931                 mask = SWM_F_MANUAL;
 932         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 933                 mask = EWMH_F_SKIP_PAGER;
 934         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 935                 mask = EWMH_F_SKIP_TASKBAR;
 936
 937
 938         orig_flags = win->ewmh_flags;
 939
 940         switch (action) {
 941         case _NET_WM_STATE_REMOVE:
 942                 win->ewmh_flags &= ~mask;
 943                 break;
 944         case _NET_WM_STATE_ADD:
 945                 win->ewmh_flags |= mask;
 946                 break;
 947         case _NET_WM_STATE_TOGGLE:
 948                 win->ewmh_flags ^= mask;
 949                 break;
 950         }
 951
 952         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 953
 954         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 955                 if (changed)
 956                         if (!floating_toggle_win(win))
 957                                 win->ewmh_flags = orig_flags; /* revert */
 958         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 959                 if (changed)
 960                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 961         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 962                 if (changed)
 963                         if (!ewmh_set_win_fullscreen(win,
 964                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 965                                 win->ewmh_flags = orig_flags; /* revert */
 966
 967         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 968
 969         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 970                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 971                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 972                         &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 973         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 974                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 975                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 976                         &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 977         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 978                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 979                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 980                         &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
 981         if (win->ewmh_flags & EWMH_F_ABOVE)
 982                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 983                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 984                         &ewmh[_NET_WM_STATE_ABOVE].atom);
 985         if (win->ewmh_flags & SWM_F_MANUAL)
 986                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 987                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 988                         &ewmh[_SWM_WM_STATE_MANUAL].atom);
 989 }
 990
 991 void
 992 ewmh_get_win_state(struct ws_win *win)
 993 {
 994         xcb_atom_t                      *states;
 995         xcb_get_property_cookie_t       c;
 996         xcb_get_property_reply_t        *r;
 997         int                             i, n;
 998
 999         if (win == NULL)
1000                 return;
1001
1002         win->ewmh_flags = 0;
1003         if (win->floating)
1004                 win->ewmh_flags |= EWMH_F_ABOVE;
1005         if (win->manual)
1006                 win->ewmh_flags |= SWM_F_MANUAL;
1007
1008         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1009                 XCB_ATOM_ATOM, 0, (~0L));
1010         r = xcb_get_property_reply(conn, c, NULL);
1011         if (!r)
1012                 return;
1013
1014         states = xcb_get_property_value(r);
1015         n = xcb_get_property_value_length(r);
1016
1017         for (i = 0; i < n; i++)
1018                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1019
1020         free(r);
1021 }
1022
1023 /* events */
1024 #ifdef SWM_DEBUG
1025 char *
1026 geteventname(XEvent *e)
1027 {
1028         char                    *name = NULL;
1029
1030         switch (e->type) {
1031         case KeyPress:
1032                 name = "KeyPress";
1033                 break;
1034         case KeyRelease:
1035                 name = "KeyRelease";
1036                 break;
1037         case ButtonPress:
1038                 name = "ButtonPress";
1039                 break;
1040         case ButtonRelease:
1041                 name = "ButtonRelease";
1042                 break;
1043         case MotionNotify:
1044                 name = "MotionNotify";
1045                 break;
1046         case EnterNotify:
1047                 name = "EnterNotify";
1048                 break;
1049         case LeaveNotify:
1050                 name = "LeaveNotify";
1051                 break;
1052         case FocusIn:
1053                 name = "FocusIn";
1054                 break;
1055         case FocusOut:
1056                 name = "FocusOut";
1057                 break;
1058         case KeymapNotify:
1059                 name = "KeymapNotify";
1060                 break;
1061         case Expose:
1062                 name = "Expose";
1063                 break;
1064         case GraphicsExpose:
1065                 name = "GraphicsExpose";
1066                 break;
1067         case NoExpose:
1068                 name = "NoExpose";
1069                 break;
1070         case VisibilityNotify:
1071                 name = "VisibilityNotify";
1072                 break;
1073         case CreateNotify:
1074                 name = "CreateNotify";
1075                 break;
1076         case DestroyNotify:
1077                 name = "DestroyNotify";
1078                 break;
1079         case UnmapNotify:
1080                 name = "UnmapNotify";
1081                 break;
1082         case MapNotify:
1083                 name = "MapNotify";
1084                 break;
1085         case MapRequest:
1086                 name = "MapRequest";
1087                 break;
1088         case ReparentNotify:
1089                 name = "ReparentNotify";
1090                 break;
1091         case ConfigureNotify:
1092                 name = "ConfigureNotify";
1093                 break;
1094         case ConfigureRequest:
1095                 name = "ConfigureRequest";
1096                 break;
1097         case GravityNotify:
1098                 name = "GravityNotify";
1099                 break;
1100         case ResizeRequest:
1101                 name = "ResizeRequest";
1102                 break;
1103         case CirculateNotify:
1104                 name = "CirculateNotify";
1105                 break;
1106         case CirculateRequest:
1107                 name = "CirculateRequest";
1108                 break;
1109         case PropertyNotify:
1110                 name = "PropertyNotify";
1111                 break;
1112         case SelectionClear:
1113                 name = "SelectionClear";
1114                 break;
1115         case SelectionRequest:
1116                 name = "SelectionRequest";
1117                 break;
1118         case SelectionNotify:
1119                 name = "SelectionNotify";
1120                 break;
1121         case ColormapNotify:
1122                 name = "ColormapNotify";
1123                 break;
1124         case ClientMessage:
1125                 name = "ClientMessage";
1126                 break;
1127         case MappingNotify:
1128                 name = "MappingNotify";
1129                 break;
1130         default:
1131                 name = "Unknown";
1132         }
1133
1134         return (name);
1135 }
1136
1137 char *
1138 xrandr_geteventname(XEvent *e)
1139 {
1140         char                    *name = NULL;
1141
1142         switch(e->type - xrandr_eventbase) {
1143         case RRScreenChangeNotify:
1144                 name = "RRScreenChangeNotify";
1145                 break;
1146         default:
1147                 name = "Unknown";
1148         }
1149
1150         return (name);
1151 }
1152
1153 void
1154 dumpwins(struct swm_region *r, union arg *args)
1155 {
1156         struct ws_win                           *win;
1157         uint16_t                                state;
1158         xcb_get_window_attributes_cookie_t      c;
1159         xcb_get_window_attributes_reply_t       *wa;
1160
1161         if (r->ws == NULL) {
1162                 warnx("dumpwins: invalid workspace");
1163                 return;
1164         }
1165
1166         warnx("=== managed window list ws %02d ===", r->ws->idx);
1167         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1168                 state = getstate(win->id);
1169                 c = xcb_get_window_attributes(conn, win->id);
1170                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1171                 if (wa) {
1172                         warnx("window: 0x%x, map_state: %d, state: %u, "
1173                                 "transient: 0x%x", win->id, wa->map_state,
1174                                 state, win->transient);
1175                         free(wa);
1176                 } else
1177                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1178                             win->id);
1179         }
1180
1181         warnx("===== unmanaged window list =====");
1182         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1183                 state = getstate(win->id);
1184                 c = xcb_get_window_attributes(conn, win->id);
1185                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1186                 if (wa) {
1187                         warnx("window: 0x%x, map_state: %d, state: %u, "
1188                                 "transient: 0x%x", win->id, wa->map_state,
1189                                 state, win->transient);
1190                         free(wa);
1191                 } else
1192                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1193                             win->id);
1194         }
1195
1196         warnx("=================================");
1197 }
1198 #else
1199 void
1200 dumpwins(struct swm_region *r, union arg *args)
1201 {
1202 }
1203 #endif /* SWM_DEBUG */
1204
1205 void                    expose(XEvent *);
1206 void                    keypress(XEvent *);
1207 void                    buttonpress(XEvent *);
1208 void                    configurerequest(XEvent *);
1209 void                    configurenotify(XEvent *);
1210 void                    destroynotify(XEvent *);
1211 void                    enternotify(XEvent *);
1212 void                    focusevent(XEvent *);
1213 void                    mapnotify(XEvent *);
1214 void                    mappingnotify(XEvent *);
1215 void                    maprequest(XEvent *);
1216 void                    propertynotify(XEvent *);
1217 void                    unmapnotify(XEvent *);
1218 void                    visibilitynotify(XEvent *);
1219 void                    clientmessage(XEvent *);
1220
1221 void                    (*handler[LASTEvent])(XEvent *) = {
1222                                 [Expose] = expose,
1223                                 [KeyPress] = keypress,
1224                                 [ButtonPress] = buttonpress,
1225                                 [ConfigureRequest] = configurerequest,
1226                                 [ConfigureNotify] = configurenotify,
1227                                 [DestroyNotify] = destroynotify,
1228                                 [EnterNotify] = enternotify,
1229                                 [FocusIn] = focusevent,
1230                                 [FocusOut] = focusevent,
1231                                 [MapNotify] = mapnotify,
1232                                 [MappingNotify] = mappingnotify,
1233                                 [MapRequest] = maprequest,
1234                                 [PropertyNotify] = propertynotify,
1235                                 [UnmapNotify] = unmapnotify,
1236                                 [VisibilityNotify] = visibilitynotify,
1237                                 [ClientMessage] = clientmessage,
1238 };
1239
1240 void
1241 sighdlr(int sig)
1242 {
1243         int                     saved_errno, status;
1244         pid_t                   pid;
1245
1246         saved_errno = errno;
1247
1248         switch (sig) {
1249         case SIGCHLD:
1250                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1251                         if (pid == -1) {
1252                                 if (errno == EINTR)
1253                                         continue;
1254 #ifdef SWM_DEBUG
1255                                 if (errno != ECHILD)
1256                                         warn("sighdlr: waitpid");
1257 #endif /* SWM_DEBUG */
1258                                 break;
1259                         }
1260                         if (pid == searchpid)
1261                                 search_resp = 1;
1262
1263 #ifdef SWM_DEBUG
1264                         if (WIFEXITED(status)) {
1265                                 if (WEXITSTATUS(status) != 0)
1266                                         warnx("sighdlr: child exit status: %d",
1267                                             WEXITSTATUS(status));
1268                         } else
1269                                 warnx("sighdlr: child is terminated "
1270                                     "abnormally");
1271 #endif /* SWM_DEBUG */
1272                 }
1273                 break;
1274
1275         case SIGHUP:
1276                 restart_wm = 1;
1277                 break;
1278         case SIGINT:
1279         case SIGTERM:
1280         case SIGQUIT:
1281                 running = 0;
1282                 break;
1283         }
1284
1285         errno = saved_errno;
1286 }
1287
1288 struct pid_e *
1289 find_pid(long pid)
1290 {
1291         struct pid_e            *p = NULL;
1292
1293         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1294
1295         if (pid == 0)
1296                 return (NULL);
1297
1298         TAILQ_FOREACH(p, &pidlist, entry) {
1299                 if (p->pid == pid)
1300                         return (p);
1301         }
1302
1303         return (NULL);
1304 }
1305
1306 uint32_t
1307 name_to_color(const char *colorname)
1308 {
1309         uint32_t                        result = 0;
1310         char                            cname[32] = "#";
1311         xcb_screen_t                    *screen;
1312         xcb_colormap_t                  cmap;
1313         xcb_alloc_color_reply_t         *cr;
1314         xcb_alloc_named_color_reply_t   *nr;
1315         uint16_t                        rr, gg, bb;
1316
1317         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1318         cmap = screen->default_colormap;
1319
1320         /* color is in format rgb://rr/gg/bb */
1321         if (strncmp(colorname, "rgb:", 4) == 0) {
1322                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1323                         warnx("could not parse rgb %s", colorname);
1324                 else {
1325                         cr = xcb_alloc_color_reply(conn,
1326                                 xcb_alloc_color(conn, cmap, rr, gg, bb),
1327                                 NULL);
1328                         if (cr) {
1329                                 result = cr->pixel;
1330                                 free(cr);
1331                         } else
1332                                 warnx("color '%s' not found", colorname);
1333                 }
1334         } else {
1335                 nr = xcb_alloc_named_color_reply(conn,
1336                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1337                                 colorname),
1338                         NULL);
1339                 if (!nr) {
1340                         strlcat(cname, colorname + 2, sizeof cname - 1);
1341                         nr = xcb_alloc_named_color_reply(conn,
1342                                 xcb_alloc_named_color(conn, cmap, strlen(cname),
1343                                         cname),
1344                                 NULL);
1345                 }
1346                 if (nr) {
1347                         result = nr->pixel;
1348                         free(nr);
1349                 } else
1350                         warnx("color '%s' not found", colorname);
1351         }
1352
1353         return (result);
1354 }
1355
1356 void
1357 setscreencolor(char *val, int i, int c)
1358 {
1359         int     num_screens;
1360
1361         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1362         if (i > 0 && i <= num_screens) {
1363                 screens[i - 1].c[c].color = name_to_color(val);
1364                 free(screens[i - 1].c[c].name);
1365                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1366                         err(1, "strdup");
1367         } else if (i == -1) {
1368                 for (i = 0; i < num_screens; i++) {
1369                         screens[i].c[c].color = name_to_color(val);
1370                         free(screens[i].c[c].name);
1371                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1372                                 err(1, "strdup");
1373                 }
1374         } else
1375                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1376                     i, num_screens);
1377 }
1378
1379 void
1380 fancy_stacker(struct workspace *ws)
1381 {
1382         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1383         if (ws->cur_layout->l_stack == vertical_stack)
1384                 snprintf(ws->stacker, sizeof ws->stacker,
1385                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1386                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1387         if (ws->cur_layout->l_stack == horizontal_stack)
1388                 snprintf(ws->stacker, sizeof ws->stacker,
1389                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1390                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1391 }
1392
1393 void
1394 plain_stacker(struct workspace *ws)
1395 {
1396         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1397         if (ws->cur_layout->l_stack == vertical_stack)
1398                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1399                     sizeof ws->stacker);
1400         if (ws->cur_layout->l_stack == horizontal_stack)
1401                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1402                     sizeof ws->stacker);
1403 }
1404
1405 void
1406 custom_region(char *val)
1407 {
1408         unsigned int                    sidx, x, y, w, h;
1409         int                             num_screens;
1410         xcb_screen_t                    *screen;
1411
1412         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1413         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1414                 errx(1, "invalid custom region, "
1415                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1416         if (sidx < 1 || sidx > num_screens)
1417                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1418                     sidx, num_screens);
1419         sidx--;
1420
1421         screen = get_screen(sidx);
1422         if (w < 1 || h < 1)
1423                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1424
1425         if (x > screen->width_in_pixels ||
1426             y > screen->height_in_pixels ||
1427             w + x > screen->width_in_pixels ||
1428             h + y > screen->height_in_pixels) {
1429                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1430                     "boundaries (%ux%u)", w, h, x, y,
1431                     screen->width_in_pixels, screen->height_in_pixels);
1432                 return;
1433         }
1434
1435         new_region(&screens[sidx], x, y, w, h);
1436 }
1437
1438 void
1439 socket_setnonblock(int fd)
1440 {
1441         int                     flags;
1442
1443         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1444                 err(1, "fcntl F_GETFL");
1445         flags |= O_NONBLOCK;
1446         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1447                 err(1, "fcntl F_SETFL");
1448 }
1449
1450 void
1451 bar_print(struct swm_region *r, const char *s)
1452 {
1453         int                     x = 0;
1454         size_t                  len;
1455         xcb_rectangle_t         rect;
1456         uint32_t                gcv[1];
1457         XRectangle              ibox, lbox;
1458
1459         len = strlen(s);
1460         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1461
1462         switch (bar_justify) {
1463         case SWM_BAR_JUSTIFY_LEFT:
1464                 x = SWM_BAR_OFFSET;
1465                 break;
1466         case SWM_BAR_JUSTIFY_CENTER:
1467                 x = (WIDTH(r) - lbox.width) / 2;
1468                 break;
1469         case SWM_BAR_JUSTIFY_RIGHT:
1470                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1471                 break;
1472         }
1473
1474         if (x < SWM_BAR_OFFSET)
1475                 x = SWM_BAR_OFFSET;
1476
1477         rect.x = 0;
1478         rect.y = 0;
1479         rect.width = WIDTH(r->bar);
1480         rect.height = HEIGHT(r->bar);
1481
1482         /* clear back buffer */
1483         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1484         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1485         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1486                 sizeof(rect), &rect);
1487
1488         /* draw back buffer */
1489         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1490         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1491         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1492                 (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1493                 lbox.y, s);
1494
1495         /* blt */
1496         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1497                 0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1498 }
1499
1500 void
1501 bar_extra_stop(void)
1502 {
1503         if (bar_pipe[0]) {
1504                 close(bar_pipe[0]);
1505                 bzero(bar_pipe, sizeof bar_pipe);
1506         }
1507         if (bar_pid) {
1508                 kill(bar_pid, SIGTERM);
1509                 bar_pid = 0;
1510         }
1511         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1512         bar_extra = 0;
1513 }
1514
1515 void
1516 bar_class_name(char *s, size_t sz, struct swm_region *r)
1517 {
1518         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1519                 return;
1520         if (r->ws->focus->ch.class_name != NULL)
1521                 strlcat(s, r->ws->focus->ch.class_name, sz);
1522 }
1523
1524 void
1525 bar_title_name(char *s, size_t sz, struct swm_region *r)
1526 {
1527         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1528                 return;
1529         if (r->ws->focus->ch.instance_name != NULL)
1530                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1531 }
1532
1533 void
1534 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1535 {
1536         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1537                 return;
1538
1539         bar_class_name(s, sz, r);
1540         strlcat(s, ":", sz);
1541         bar_title_name(s, sz, r);
1542 }
1543
1544 void
1545 bar_window_float(char *s, size_t sz, struct swm_region *r)
1546 {
1547         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1548                 return;
1549         if (r->ws->focus->floating)
1550                 strlcat(s, "(f)", sz);
1551 }
1552
1553 void
1554 bar_window_name(char *s, size_t sz, struct swm_region *r)
1555 {
1556         char            *title;
1557
1558         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1559                 return;
1560         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1561                 return;
1562
1563         strlcat(s, title, sz);
1564         free(title);
1565 }
1566
1567 int             urgent[SWM_WS_MAX];
1568 void
1569 bar_urgent(char *s, size_t sz)
1570 {
1571         struct ws_win           *win;
1572         int                     i, j, num_screens;
1573         char                    b[8];
1574         xcb_get_property_cookie_t       c;
1575         xcb_icccm_wm_hints_t    hints;
1576
1577         for (i = 0; i < workspace_limit; i++)
1578                 urgent[i] = 0;
1579
1580         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1581         for (i = 0; i < num_screens; i++)
1582                 for (j = 0; j < workspace_limit; j++)
1583                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1584                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1585                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1586                                                 &hints, NULL) == 0)
1587                                         continue;
1588                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1589                                         urgent[j] = 1;
1590                         }
1591
1592         for (i = 0; i < workspace_limit; i++) {
1593                 if (urgent[i])
1594                         snprintf(b, sizeof b, "%d ", i + 1);
1595                 else
1596                         snprintf(b, sizeof b, "- ");
1597                 strlcat(s, b, sz);
1598         }
1599 }
1600
1601 void
1602 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1603 {
1604         if (r == NULL || r->ws == NULL)
1605                 return;
1606         if (r->ws->name != NULL)
1607                 strlcat(s, r->ws->name, sz);
1608 }
1609
1610 /* build the default bar format according to the defined enabled options */
1611 void
1612 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1613 {
1614         /* if format provided, just copy the buffers */
1615         if (bar_format != NULL) {
1616                 strlcpy(fmtnew, fmtexp, sz);
1617                 return;
1618         }
1619
1620         /* reset the output buffer */
1621         *fmtnew = '\0';
1622
1623         strlcat(fmtnew, "+N:+I ", sz);
1624         if (stack_enabled)
1625                 strlcat(fmtnew, "+S", sz);
1626         strlcat(fmtnew, " ", sz);
1627
1628         /* only show the workspace name if there's actually one */
1629         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1630                 strlcat(fmtnew, "<+D>", sz);
1631         strlcat(fmtnew, "+3<", sz);
1632
1633         if (clock_enabled) {
1634                 strlcat(fmtnew, fmtexp, sz);
1635                 strlcat(fmtnew, "+4<", sz);
1636         }
1637
1638         /* bar_urgent already adds the space before the last asterisk */
1639         if (urgent_enabled)
1640                 strlcat(fmtnew, "* +U*+4<", sz);
1641
1642         if (title_class_enabled) {
1643                 strlcat(fmtnew, "+C", sz);
1644                 if (title_name_enabled == 0)
1645                         strlcat(fmtnew, "+4<", sz);
1646         }
1647
1648         /* checks needed by the colon and floating strlcat(3) calls below */
1649         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1650                 if (title_name_enabled) {
1651                         if (title_class_enabled)
1652                                 strlcat(fmtnew, ":", sz);
1653                         strlcat(fmtnew, "+T+4<", sz);
1654                 }
1655                 if (window_name_enabled) {
1656                         if (r->ws->focus->floating)
1657                                 strlcat(fmtnew, "+F ", sz);
1658                         strlcat(fmtnew, "+64W ", sz);
1659                 }
1660         }
1661
1662         /* finally add the action script output and the version */
1663         strlcat(fmtnew, "+4<+A+4<+V", sz);
1664 }
1665
1666 void
1667 bar_replace_pad(char *tmp, int *limit, size_t sz)
1668 {
1669         /* special case; no limit given, pad one space, instead */
1670         if (*limit == sz - 1)
1671                 *limit = 1;
1672         snprintf(tmp, sz, "%*s", *limit, " ");
1673 }
1674
1675 /* replaces the bar format character sequences (like in tmux(1)) */
1676 char *
1677 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1678     size_t sz)
1679 {
1680         char                    *ptr;
1681         char                    tmp[SWM_BAR_MAX];
1682         int                     limit, size;
1683         size_t                  len;
1684
1685         /* reset strlcat(3) buffer */
1686         *tmp = '\0';
1687
1688         /* get number, if any */
1689         fmt++;
1690         size = 0;
1691         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1692                 limit = sizeof tmp - 1;
1693         if (limit <= 0 || limit >= sizeof tmp)
1694                 limit = sizeof tmp - 1;
1695
1696         /* there is nothing to replace (ie EOL) */
1697         fmt += size;
1698         if (*fmt == '\0')
1699                 return (fmt);
1700
1701         switch (*fmt) {
1702         case '<':
1703                 bar_replace_pad(tmp, &limit, sizeof tmp);
1704                 break;
1705         case 'A':
1706                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1707                 break;
1708         case 'C':
1709                 bar_class_name(tmp, sizeof tmp, r);
1710                 break;
1711         case 'D':
1712                 bar_workspace_name(tmp, sizeof tmp, r);
1713                 break;
1714         case 'F':
1715                 bar_window_float(tmp, sizeof tmp, r);
1716                 break;
1717         case 'I':
1718                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1719                 break;
1720         case 'N':
1721                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1722                 break;
1723         case 'P':
1724                 bar_class_title_name(tmp, sizeof tmp, r);
1725                 break;
1726         case 'S':
1727                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1728                 break;
1729         case 'T':
1730                 bar_title_name(tmp, sizeof tmp, r);
1731                 break;
1732         case 'U':
1733                 bar_urgent(tmp, sizeof tmp);
1734                 break;
1735         case 'V':
1736                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1737                 break;
1738         case 'W':
1739                 bar_window_name(tmp, sizeof tmp, r);
1740                 break;
1741         default:
1742                 /* unknown character sequence; copy as-is */
1743                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1744                 break;
1745         }
1746
1747         len = strlen(tmp);
1748         ptr = tmp;
1749         if (len < limit)
1750                 limit = len;
1751         while (limit-- > 0) {
1752                 if (*offrep >= sz - 1)
1753                         break;
1754                 fmtrep[(*offrep)++] = *ptr++;
1755         }
1756
1757         fmt++;
1758         return (fmt);
1759 }
1760
1761 void
1762 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1763 {
1764         size_t                  off;
1765
1766         off = 0;
1767         while (*fmt != '\0') {
1768                 if (*fmt != '+') {
1769                         /* skip ordinary characters */
1770                         if (off >= sz - 1)
1771                                 break;
1772                         fmtrep[off++] = *fmt++;
1773                         continue;
1774                 }
1775
1776                 /* character sequence found; replace it */
1777                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1778                 if (off >= sz - 1)
1779                         break;
1780         }
1781
1782         fmtrep[off] = '\0';
1783 }
1784
1785 void
1786 bar_fmt_expand(char *fmtexp, size_t sz)
1787 {
1788         char                    *fmt = NULL;
1789         size_t                  len;
1790         struct tm               tm;
1791         time_t                  tmt;
1792
1793         /* start by grabbing the current time and date */
1794         time(&tmt);
1795         localtime_r(&tmt, &tm);
1796
1797         /* figure out what to expand */
1798         if (bar_format != NULL)
1799                 fmt = bar_format;
1800         else if (bar_format == NULL && clock_enabled)
1801                 fmt = clock_format;
1802         /* if nothing to expand bail out */
1803         if (fmt == NULL) {
1804                 *fmtexp = '\0';
1805                 return;
1806         }
1807
1808         /* copy as-is, just in case the format shouldn't be expanded below */
1809         strlcpy(fmtexp, fmt, sz);
1810         /* finally pass the string through strftime(3) */
1811 #ifndef SWM_DENY_CLOCK_FORMAT
1812         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1813                 warnx("format too long");
1814         fmtexp[len] = '\0';
1815 #endif
1816 }
1817
1818 void
1819 bar_fmt_print(void)
1820 {
1821         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1822         char                    fmtrep[SWM_BAR_MAX];
1823         int                     i, num_screens;
1824         struct swm_region       *r;
1825
1826         /* expand the format by first passing it through strftime(3) */
1827         bar_fmt_expand(fmtexp, sizeof fmtexp);
1828
1829         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1830         for (i = 0; i < num_screens; i++) {
1831                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1832                         if (r->bar == NULL)
1833                                 continue;
1834                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1835                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1836                         bar_print(r, fmtrep);
1837                 }
1838         }
1839 }
1840
1841 void
1842 bar_update(void)
1843 {
1844         size_t                  len;
1845         char                    *b;
1846
1847         if (bar_enabled == 0)
1848                 return;
1849         if (bar_extra && bar_extra_running) {
1850                 /* ignore short reads; it'll correct itself */
1851                 while ((b = fgetln(stdin, &len)) != NULL)
1852                         if (b && b[len - 1] == '\n') {
1853                                 b[len - 1] = '\0';
1854                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1855                         }
1856                 if (b == NULL && errno != EAGAIN) {
1857                         warn("bar_update: bar_extra failed");
1858                         bar_extra_stop();
1859                 }
1860         } else
1861                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1862
1863         bar_fmt_print();
1864         alarm(bar_delay);
1865 }
1866
1867 void
1868 bar_signal(int sig)
1869 {
1870         bar_alarm = 1;
1871 }
1872
1873 void
1874 bar_toggle(struct swm_region *r, union arg *args)
1875 {
1876         struct swm_region       *tmpr;
1877         int                     i, num_screens;
1878
1879         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1880
1881         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1882         if (bar_enabled) {
1883                 for (i = 0; i < num_screens; i++)
1884                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1885                                 if (tmpr->bar)
1886                                         xcb_unmap_window(conn, tmpr->bar->id);
1887         } else {
1888                 for (i = 0; i < num_screens; i++)
1889                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1890                                 if (tmpr->bar)
1891                                         map_window_raised(tmpr->bar->id);
1892         }
1893
1894         bar_enabled = !bar_enabled;
1895
1896         stack();
1897         /* must be after stack */
1898         bar_update();
1899 }
1900
1901 void
1902 bar_refresh(void)
1903 {
1904         struct swm_region       *r;
1905         uint32_t                wa[2];
1906         int                     i, num_screens;
1907
1908         /* do this here because the conf file is in memory */
1909         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1910                 /* launch external status app */
1911                 bar_extra_running = 1;
1912                 if (pipe(bar_pipe) == -1)
1913                         err(1, "pipe error");
1914                 socket_setnonblock(bar_pipe[0]);
1915                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1916                 if (dup2(bar_pipe[0], 0) == -1)
1917                         err(1, "dup2");
1918                 if (dup2(bar_pipe[1], 1) == -1)
1919                         err(1, "dup2");
1920                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1921                         err(1, "could not disable SIGPIPE");
1922                 switch (bar_pid = fork()) {
1923                 case -1:
1924                         err(1, "cannot fork");
1925                         break;
1926                 case 0: /* child */
1927                         close(bar_pipe[0]);
1928                         execvp(bar_argv[0], bar_argv);
1929                         err(1, "%s external app failed", bar_argv[0]);
1930                         break;
1931                 default: /* parent */
1932                         close(bar_pipe[1]);
1933                         break;
1934                 }
1935         }
1936
1937         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1938         for (i = 0; i < num_screens; i++)
1939                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1940                         if (r->bar == NULL)
1941                                 continue;
1942                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1943                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1944                         xcb_change_window_attributes(conn, r->bar->id,
1945                                 XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1946                 }
1947         bar_update();
1948 }
1949
1950 void
1951 bar_setup(struct swm_region *r)
1952 {
1953         char                    *default_string;
1954         char                    **missing_charsets;
1955         int                     num_missing_charsets = 0;
1956         int                     i;
1957         xcb_screen_t            *screen = get_screen(r->s->idx);
1958         uint32_t                wa[2];
1959
1960         if (bar_fs) {
1961                 XFreeFontSet(display, bar_fs);
1962                 bar_fs = NULL;
1963         }
1964
1965         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1966                 err(1, "bar_setup: calloc: failed to allocate memory.");
1967
1968         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1969
1970         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1971             &num_missing_charsets, &default_string);
1972
1973         if (num_missing_charsets > 0) {
1974                 warnx("Unable to load charset(s):");
1975
1976                 for (i = 0; i < num_missing_charsets; ++i)
1977                         warnx("%s", missing_charsets[i]);
1978
1979                 XFreeStringList(missing_charsets);
1980
1981                 if (strcmp(default_string, ""))
1982                         warnx("Glyphs from those sets will be replaced "
1983                             "by '%s'.", default_string);
1984                 else
1985                         warnx("Glyphs from those sets won't be drawn.");
1986         }
1987
1988         if (bar_fs == NULL)
1989                 errx(1, "Error creating font set structure.");
1990
1991         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1992
1993         bar_height = bar_fs_extents->max_logical_extent.height +
1994             2 * bar_border_width;
1995
1996         if (bar_height < 1)
1997                 bar_height = 1;
1998
1999         X(r->bar) = X(r);
2000         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2001         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2002         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2003
2004         r->bar->id = xcb_generate_id(conn);
2005         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
2006         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
2007         xcb_create_window(conn, screen->root_depth, r->bar->id, r->s->root,
2008                 X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2009                 bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2010                 screen->root_visual, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL,
2011                 wa);
2012
2013         r->bar->buffer = xcb_generate_id(conn);
2014         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2015                 WIDTH(r->bar), HEIGHT(r->bar));
2016
2017         xcb_randr_select_input(conn, r->bar->id,
2018                 XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2019
2020         if (bar_enabled)
2021                 map_window_raised(r->bar->id);
2022
2023         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2024             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2025             HEIGHT(r->bar));
2026
2027         if (signal(SIGALRM, bar_signal) == SIG_ERR)
2028                 err(1, "could not install bar_signal");
2029         bar_refresh();
2030 }
2031
2032 void
2033 bar_cleanup(struct swm_region *r)
2034 {
2035         if (r->bar == NULL)
2036                 return;
2037         xcb_destroy_window(conn, r->bar->id);
2038         xcb_free_pixmap(conn, r->bar->buffer);
2039         free(r->bar);
2040         r->bar = NULL;
2041 }
2042
2043 void
2044 drain_enter_notify(void)
2045 {
2046         int                     i = 0;
2047         XEvent                  cne;
2048
2049         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
2050                 i++;
2051
2052         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
2053 }
2054
2055 void
2056 set_win_state(struct ws_win *win, uint16_t state)
2057 {
2058         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2059
2060         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
2061
2062         if (win == NULL)
2063                 return;
2064
2065         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, astate,
2066                 astate, 32, 2, data);
2067 }
2068
2069 uint16_t
2070 getstate(xcb_window_t w)
2071 {
2072         uint16_t                        result = 0;
2073         xcb_get_property_cookie_t       c;
2074         xcb_get_property_reply_t        *r;
2075
2076         c = xcb_get_property(conn, False, w, astate, astate, 0L, 2L);
2077         r = xcb_get_property_reply(conn, c, NULL);
2078
2079         if (r) {
2080                 result = *((uint16_t *)xcb_get_property_value(r));
2081                 free(r);
2082         }
2083
2084         return (result);
2085 }
2086
2087 void
2088 version(struct swm_region *r, union arg *args)
2089 {
2090         bar_version = !bar_version;
2091         if (bar_version)
2092                 snprintf(bar_vertext, sizeof bar_vertext,
2093                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2094         else
2095                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2096         bar_update();
2097 }
2098
2099 void
2100 client_msg(struct ws_win *win, xcb_atom_t a)
2101 {
2102         xcb_client_message_event_t      ev;
2103
2104         if (win == NULL)
2105                 return;
2106
2107         bzero(&ev, sizeof ev);
2108         ev.response_type = XCB_CLIENT_MESSAGE;
2109         ev.window = win->id;
2110         ev.type = aprot;
2111         ev.format = 32;
2112         ev.data.data32[0] = a;
2113         ev.data.data32[1] = XCB_CURRENT_TIME;
2114
2115         xcb_send_event(conn, False, win->id,
2116                 XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2117         xcb_flush(conn);
2118 }
2119
2120 /* synthetic response to a ConfigureRequest when not making a change */
2121 void
2122 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
2123 {
2124         xcb_configure_notify_event_t ce;
2125
2126         if (win == NULL)
2127                 return;
2128
2129         /* send notification of unchanged state. */
2130         bzero(&ce, sizeof(ce));
2131         ce.response_type = XCB_CONFIGURE_NOTIFY;
2132         ce.x = X(win);
2133         ce.y = Y(win);
2134         ce.width = WIDTH(win);
2135         ce.height = HEIGHT(win);
2136         ce.override_redirect = False;
2137
2138         if (ev == NULL) {
2139                 /* EWMH */
2140                 ce.event = win->id;
2141                 ce.window = win->id;
2142                 ce.border_width = BORDER(win);
2143                 ce.above_sibling = XCB_WINDOW_NONE;
2144         } else {
2145                 /* normal */
2146                 ce.event = ev->window;
2147                 ce.window = ev->window;
2148
2149                 /* make response appear more WM_SIZE_HINTS-compliant */
2150                 if (win->sh.flags)
2151                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2152                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2153                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2154                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2155                             SH_INC_W(win), SH_INC_H(win));
2156
2157                 /* min size */
2158                 if (SH_MIN(win)) {
2159                         /* the hint may be set... to 0! */
2160                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2161                                 ce.width = SH_MIN_W(win);
2162                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2163                                 ce.height = SH_MIN_H(win);
2164                 }
2165
2166                 /* max size */
2167                 if (SH_MAX(win)) {
2168                         /* may also be advertized as 0 */
2169                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2170                                 ce.width = SH_MAX_W(win);
2171                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2172                                 ce.height = SH_MAX_H(win);
2173                 }
2174
2175                 /* resize increment. */
2176                 if (SH_INC(win)) {
2177                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2178                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2179                                     SH_INC_W(win);
2180                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2181                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2182                                     SH_INC_H(win);
2183                 }
2184
2185                 /* adjust x and y for requested border_width. */
2186                 ce.x += BORDER(win) - ev->border_width;
2187                 ce.y += BORDER(win) - ev->border_width;
2188                 ce.border_width = ev->border_width;
2189                 ce.above_sibling = ev->above;
2190         }
2191
2192         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2193             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2194             ce.y, ce.width, ce.height, ce.border_width);
2195
2196         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2197                 (char *)&ce);
2198         xcb_flush(conn);
2199 }
2200
2201 int
2202 count_win(struct workspace *ws, int count_transient)
2203 {
2204         struct ws_win           *win;
2205         int                     count = 0;
2206
2207         TAILQ_FOREACH(win, &ws->winlist, entry) {
2208                 if (count_transient == 0 && win->floating)
2209                         continue;
2210                 if (count_transient == 0 && win->transient)
2211                         continue;
2212                 if (win->iconic)
2213                         continue;
2214                 count++;
2215         }
2216         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2217
2218         return (count);
2219 }
2220
2221 void
2222 quit(struct swm_region *r, union arg *args)
2223 {
2224         DNPRINTF(SWM_D_MISC, "quit\n");
2225         running = 0;
2226 }
2227
2228 void
2229 unmap_window(struct ws_win *win)
2230 {
2231         if (win == NULL)
2232                 return;
2233
2234         /* don't unmap again */
2235         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2236                 return;
2237
2238         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2239
2240         xcb_unmap_window(conn, win->id);
2241         xcb_change_window_attributes(conn, win->id,
2242                 XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2243 }
2244
2245 void
2246 unmap_all(void)
2247 {
2248         struct ws_win           *win;
2249         int                     i, j, num_screens;
2250
2251         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2252         for (i = 0; i < num_screens; i++)
2253                 for (j = 0; j < workspace_limit; j++)
2254                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2255                                 unmap_window(win);
2256 }
2257
2258 void
2259 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2260 {
2261         xcb_key_press_event_t   event;
2262         xcb_key_symbols_t       *syms;
2263         xcb_keycode_t           *keycode;
2264
2265         if (win == NULL)
2266                 return;
2267
2268         syms = xcb_key_symbols_alloc(conn);
2269         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2270
2271         event.event = win->id;
2272         event.root = win->s->root;
2273         event.child = XCB_WINDOW_NONE;
2274         event.time = XCB_CURRENT_TIME;
2275         event.event_x = X(win);
2276         event.event_y = Y(win);
2277         event.root_x = 1;
2278         event.root_y = 1;
2279         event.same_screen = True;
2280         event.detail = *keycode;
2281         event.state = modifiers;
2282
2283         event.response_type = XCB_KEY_PRESS;
2284         xcb_send_event(conn, True, win->id,
2285                  XCB_EVENT_MASK_KEY_PRESS, (char *)&event);
2286
2287         event.response_type = XCB_KEY_RELEASE;
2288         xcb_send_event(conn, True, win->id,
2289                 XCB_EVENT_MASK_KEY_RELEASE, (char *)&event);
2290         xcb_flush(conn);
2291
2292         xcb_key_symbols_free(syms);
2293 }
2294
2295 void
2296 restart(struct swm_region *r, union arg *args)
2297 {
2298         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2299
2300         /* disable alarm because the following code may not be interrupted */
2301         alarm(0);
2302         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2303                 err(1, "can't disable alarm");
2304
2305         bar_extra_stop();
2306         bar_extra = 1;
2307         unmap_all();
2308         XCloseDisplay(display);
2309         execvp(start_argv[0], start_argv);
2310         warn("execvp failed");
2311         quit(NULL, NULL);
2312 }
2313
2314 struct swm_region *
2315 root_to_region(xcb_window_t root)
2316 {
2317         struct swm_region       *r = NULL;
2318         int                     i, num_screens;
2319         xcb_query_pointer_reply_t       *qpr;
2320
2321         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2322
2323         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2324         for (i = 0; i < num_screens; i++)
2325                 if (screens[i].root == root)
2326                         break;
2327
2328         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2329                 screens[i].root), NULL);
2330
2331         if (qpr) {
2332                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2333                     qpr->root_x, qpr->root_y);
2334                 /* choose a region based on pointer location */
2335                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2336                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2337                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2338                                 break;
2339                 free(qpr);
2340         }
2341
2342         if (r == NULL)
2343                 r = TAILQ_FIRST(&screens[i].rl);
2344
2345         return (r);
2346 }
2347
2348 struct ws_win *
2349 find_unmanaged_window(xcb_window_t id)
2350 {
2351         struct ws_win           *win;
2352         int                     i, j, num_screens;
2353
2354         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2355         for (i = 0; i < num_screens; i++)
2356                 for (j = 0; j < workspace_limit; j++)
2357                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2358                             entry)
2359                                 if (id == win->id)
2360                                         return (win);
2361         return (NULL);
2362 }
2363
2364 struct ws_win *
2365 find_window(xcb_window_t id)
2366 {
2367         struct ws_win           *win;
2368         int                     i, j, num_screens;
2369         xcb_query_tree_cookie_t c;
2370         xcb_query_tree_reply_t  *r;
2371
2372         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2373         for (i = 0; i < num_screens; i++)
2374                 for (j = 0; j < workspace_limit; j++)
2375                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2376                                 if (id == win->id)
2377                                         return (win);
2378
2379         c = xcb_query_tree(conn, id);
2380         r = xcb_query_tree_reply(conn, c, NULL);
2381         if (!r)
2382                 return (NULL);
2383
2384         /* if we were looking for the parent return that window instead */
2385         if (r->parent == 0 || r->root == r->parent)
2386                 return (NULL);
2387
2388         /* look for parent */
2389         for (i = 0; i < num_screens; i++)
2390                 for (j = 0; j < workspace_limit; j++)
2391                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2392                                 if (r->parent == win->id) {
2393                                         free(r);
2394                                         return (win);
2395                                 }
2396
2397         free(r);
2398         return (NULL);
2399 }
2400
2401 void
2402 spawn(int ws_idx, union arg *args, int close_fd)
2403 {
2404         int                     fd;
2405         char                    *ret = NULL;
2406
2407         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2408
2409         if (display)
2410                 close(xcb_get_file_descriptor(conn));
2411
2412         setenv("LD_PRELOAD", SWM_LIB, 1);
2413
2414         if (asprintf(&ret, "%d", ws_idx) == -1) {
2415                 warn("spawn: asprintf SWM_WS");
2416                 _exit(1);
2417         }
2418         setenv("_SWM_WS", ret, 1);
2419         free(ret);
2420         ret = NULL;
2421
2422         if (asprintf(&ret, "%d", getpid()) == -1) {
2423                 warn("spawn: asprintf _SWM_PID");
2424                 _exit(1);
2425         }
2426         setenv("_SWM_PID", ret, 1);
2427         free(ret);
2428         ret = NULL;
2429
2430         if (setsid() == -1) {
2431                 warn("spawn: setsid");
2432                 _exit(1);
2433         }
2434
2435         if (close_fd) {
2436                 /*
2437                  * close stdin and stdout to prevent interaction between apps
2438                  * and the baraction script
2439                  * leave stderr open to record errors
2440                 */
2441                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2442                         warn("spawn: open");
2443                         _exit(1);
2444                 }
2445                 dup2(fd, STDIN_FILENO);
2446                 dup2(fd, STDOUT_FILENO);
2447                 if (fd > 2)
2448                         close(fd);
2449         }
2450
2451         execvp(args->argv[0], args->argv);
2452
2453         warn("spawn: execvp");
2454         _exit(1);
2455 }
2456
2457 void
2458 kill_refs(struct ws_win *win)
2459 {
2460         int                     i, x, num_screens;
2461         struct swm_region       *r;
2462         struct workspace        *ws;
2463
2464         if (win == NULL)
2465                 return;
2466
2467         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2468         for (i = 0; i < num_screens; i++)
2469                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2470                         for (x = 0; x < workspace_limit; x++) {
2471                                 ws = &r->s->ws[x];
2472                                 if (win == ws->focus)
2473                                         ws->focus = NULL;
2474                                 if (win == ws->focus_prev)
2475                                         ws->focus_prev = NULL;
2476                         }
2477 }
2478
2479 int
2480 validate_win(struct ws_win *testwin)
2481 {
2482         struct ws_win           *win;
2483         struct workspace        *ws;
2484         struct swm_region       *r;
2485         int                     i, x, num_screens;
2486
2487         if (testwin == NULL)
2488                 return (0);
2489
2490         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2491         for (i = 0; i < num_screens; i++)
2492                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2493                         for (x = 0; x < workspace_limit; x++) {
2494                                 ws = &r->s->ws[x];
2495                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2496                                         if (win == testwin)
2497                                                 return (0);
2498                         }
2499         return (1);
2500 }
2501
2502 int
2503 validate_ws(struct workspace *testws)
2504 {
2505         struct swm_region       *r;
2506         struct workspace        *ws;
2507         int                     i, x, num_screens;
2508
2509         /* validate all ws */
2510         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2511         for (i = 0; i < num_screens; i++)
2512                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2513                         for (x = 0; x < workspace_limit; x++) {
2514                                 ws = &r->s->ws[x];
2515                                 if (ws == testws)
2516                                         return (0);
2517                         }
2518         return (1);
2519 }
2520
2521 void
2522 unfocus_win(struct ws_win *win)
2523 {
2524         XEvent                  cne;
2525         xcb_window_t            none = XCB_WINDOW_NONE;
2526
2527         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2528
2529         if (win == NULL)
2530                 return;
2531         if (win->ws == NULL)
2532                 return;
2533
2534         if (validate_ws(win->ws))
2535                 return; /* XXX this gets hit with thunderbird, needs fixing */
2536
2537         if (win->ws->r == NULL)
2538                 return;
2539
2540         if (validate_win(win)) {
2541                 kill_refs(win);
2542                 return;
2543         }
2544
2545         if (win->ws->focus == win) {
2546                 win->ws->focus = NULL;
2547                 win->ws->focus_prev = win;
2548         }
2549
2550         if (validate_win(win->ws->focus)) {
2551                 kill_refs(win->ws->focus);
2552                 win->ws->focus = NULL;
2553         }
2554         if (validate_win(win->ws->focus_prev)) {
2555                 kill_refs(win->ws->focus_prev);
2556                 win->ws->focus_prev = NULL;
2557         }
2558
2559         /* drain all previous unfocus events */
2560         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2561                 ;
2562
2563         grabbuttons(win, 0);
2564         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2565                 &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2566         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2567                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2568                 &none);
2569 }
2570
2571 void
2572 unfocus_all(void)
2573 {
2574         struct ws_win           *win;
2575         int                     i, j, num_screens;
2576
2577         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2578
2579         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2580         for (i = 0; i < num_screens; i++)
2581                 for (j = 0; j < workspace_limit; j++)
2582                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2583                                 unfocus_win(win);
2584 }
2585
2586 void
2587 focus_win(struct ws_win *win)
2588 {
2589         XEvent                  cne;
2590         struct ws_win           *cfw = NULL;
2591         xcb_get_input_focus_cookie_t    c;
2592         xcb_get_input_focus_reply_t     *r;
2593         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2594
2595         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2596
2597         if (win == NULL)
2598                 return;
2599         if (win->ws == NULL)
2600                 return;
2601
2602         if (validate_ws(win->ws))
2603                 return; /* XXX this gets hit with thunderbird, needs fixing */
2604
2605         if (validate_win(win)) {
2606                 kill_refs(win);
2607                 return;
2608         }
2609
2610         if (validate_win(win)) {
2611                 kill_refs(win);
2612                 return;
2613         }
2614
2615         c = xcb_get_input_focus(conn);
2616         r = xcb_get_input_focus_reply(conn, c, NULL);
2617         if (r) {
2618                 cur_focus = r->focus;
2619                 free(r);
2620         }
2621         if ((cfw = find_window(cur_focus)) != NULL)
2622                 unfocus_win(cfw);
2623         else {
2624                 /* use larger hammer since the window was killed somehow */
2625                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2626                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2627                                 xcb_change_window_attributes(conn, cfw->id,
2628                                         XCB_CW_BORDER_PIXEL,
2629                                         &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2630         }
2631
2632         win->ws->focus = win;
2633
2634         if (win->ws->r != NULL) {
2635                 /* drain all previous focus events */
2636                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2637                         ;
2638
2639                 if (win->java == 0)
2640                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2641                                 win->id, XCB_CURRENT_TIME);
2642                 grabbuttons(win, 1);
2643                 xcb_change_window_attributes(conn, win->id,
2644                         XCB_CW_BORDER_PIXEL,
2645                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2646                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2647                     win->ws->always_raise)
2648                         map_window_raised(win->id);
2649
2650                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2651                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2652                         &win->id);
2653         }
2654
2655         bar_update();
2656 }
2657
2658 void
2659 switchws(struct swm_region *r, union arg *args)
2660 {
2661         int                     wsid = args->id, unmap_old = 0;
2662         struct swm_region       *this_r, *other_r;
2663         struct ws_win           *win;
2664         struct workspace        *new_ws, *old_ws;
2665         union arg               a;
2666
2667         if (!(r && r->s))
2668                 return;
2669
2670         if (wsid >= workspace_limit)
2671                 return;
2672
2673         this_r = r;
2674         old_ws = this_r->ws;
2675         new_ws = &this_r->s->ws[wsid];
2676
2677         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2678             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2679
2680         if (new_ws == NULL || old_ws == NULL)
2681                 return;
2682         if (new_ws == old_ws)
2683                 return;
2684
2685         other_r = new_ws->r;
2686         if (other_r == NULL) {
2687                 /* the other workspace is hidden, hide this one */
2688                 old_ws->r = NULL;
2689                 unmap_old = 1;
2690         } else {
2691                 /* the other ws is visible in another region, exchange them */
2692                 other_r->ws_prior = new_ws;
2693                 other_r->ws = old_ws;
2694                 old_ws->r = other_r;
2695         }
2696         this_r->ws_prior = old_ws;
2697         this_r->ws = new_ws;
2698         new_ws->r = this_r;
2699
2700         /* this is needed so that we can click on a window after a restart */
2701         unfocus_all();
2702
2703         stack();
2704         a.id = SWM_ARG_ID_FOCUSCUR;
2705         focus(new_ws->r, &a);
2706
2707         /* unmap old windows */
2708         if (unmap_old)
2709                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2710                         unmap_window(win);
2711
2712         if (focus_mode == SWM_FOCUS_DEFAULT)
2713                 drain_enter_notify();
2714 }
2715
2716 void
2717 cyclews(struct swm_region *r, union arg *args)
2718 {
2719         union                   arg a;
2720         struct swm_screen       *s = r->s;
2721         int                     cycle_all = 0;
2722
2723         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2724             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2725
2726         a.id = r->ws->idx;
2727         do {
2728                 switch (args->id) {
2729                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2730                         cycle_all = 1;
2731                         /* FALLTHROUGH */
2732                 case SWM_ARG_ID_CYCLEWS_UP:
2733                         if (a.id < workspace_limit - 1)
2734                                 a.id++;
2735                         else
2736                                 a.id = 0;
2737                         break;
2738                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2739                         cycle_all = 1;
2740                         /* FALLTHROUGH */
2741                 case SWM_ARG_ID_CYCLEWS_DOWN:
2742                         if (a.id > 0)
2743                                 a.id--;
2744                         else
2745                                 a.id = workspace_limit - 1;
2746                         break;
2747                 default:
2748                         return;
2749                 };
2750
2751                 if (!cycle_all &&
2752                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2753                         continue;
2754                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2755                         continue;
2756
2757                 switchws(r, &a);
2758         } while (a.id != r->ws->idx);
2759 }
2760
2761 void
2762 priorws(struct swm_region *r, union arg *args)
2763 {
2764         union arg               a;
2765
2766         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2767             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2768
2769         if (r->ws_prior == NULL)
2770                 return;
2771
2772         a.id = r->ws_prior->idx;
2773         switchws(r, &a);
2774 }
2775
2776 void
2777 cyclescr(struct swm_region *r, union arg *args)
2778 {
2779         struct swm_region       *rr = NULL;
2780         union arg               a;
2781         int                     i, x, y, num_screens;
2782
2783         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2784         /* do nothing if we don't have more than one screen */
2785         if (!(num_screens > 1 || outputs > 1))
2786                 return;
2787
2788         i = r->s->idx;
2789         switch (args->id) {
2790         case SWM_ARG_ID_CYCLESC_UP:
2791                 rr = TAILQ_NEXT(r, entry);
2792                 if (rr == NULL)
2793                         rr = TAILQ_FIRST(&screens[i].rl);
2794                 break;
2795         case SWM_ARG_ID_CYCLESC_DOWN:
2796                 rr = TAILQ_PREV(r, swm_region_list, entry);
2797                 if (rr == NULL)
2798                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2799                 break;
2800         default:
2801                 return;
2802         };
2803         if (rr == NULL)
2804                 return;
2805
2806         /* move mouse to region */
2807         x = X(rr) + 1;
2808         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2809         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2810                 x, y);
2811
2812         a.id = SWM_ARG_ID_FOCUSCUR;
2813         focus(rr, &a);
2814
2815         if (rr->ws->focus) {
2816                 /* move to focus window */
2817                 x = X(rr->ws->focus) + 1;
2818                 y = Y(rr->ws->focus) + 1;
2819                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2820                         0, x, y);
2821         }
2822 }
2823
2824 void
2825 sort_windows(struct ws_win_list *wl)
2826 {
2827         struct ws_win           *win, *parent, *nxt;
2828
2829         if (wl == NULL)
2830                 return;
2831
2832         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2833                 nxt = TAILQ_NEXT(win, entry);
2834                 if (win->transient) {
2835                         parent = find_window(win->transient);
2836                         if (parent == NULL) {
2837                                 warnx("not possible bug");
2838                                 continue;
2839                         }
2840                         TAILQ_REMOVE(wl, win, entry);
2841                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2842                 }
2843         }
2844
2845 }
2846
2847 void
2848 swapwin(struct swm_region *r, union arg *args)
2849 {
2850         struct ws_win           *target, *source;
2851         struct ws_win           *cur_focus;
2852         struct ws_win_list      *wl;
2853
2854
2855         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2856             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2857
2858         cur_focus = r->ws->focus;
2859         if (cur_focus == NULL)
2860                 return;
2861
2862         source = cur_focus;
2863         wl = &source->ws->winlist;
2864
2865         switch (args->id) {
2866         case SWM_ARG_ID_SWAPPREV:
2867                 if (source->transient)
2868                         source = find_window(source->transient);
2869                 target = TAILQ_PREV(source, ws_win_list, entry);
2870                 if (target && target->transient)
2871                         target = find_window(target->transient);
2872                 TAILQ_REMOVE(wl, source, entry);
2873                 if (target == NULL)
2874                         TAILQ_INSERT_TAIL(wl, source, entry);
2875                 else
2876                         TAILQ_INSERT_BEFORE(target, source, entry);
2877                 break;
2878         case SWM_ARG_ID_SWAPNEXT:
2879                 target = TAILQ_NEXT(source, entry);
2880                 /* move the parent and let the sort handle the move */
2881                 if (source->transient)
2882                         source = find_window(source->transient);
2883                 TAILQ_REMOVE(wl, source, entry);
2884                 if (target == NULL)
2885                         TAILQ_INSERT_HEAD(wl, source, entry);
2886                 else
2887                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2888                 break;
2889         case SWM_ARG_ID_SWAPMAIN:
2890                 target = TAILQ_FIRST(wl);
2891                 if (target == source) {
2892                         if (source->ws->focus_prev != NULL &&
2893                             source->ws->focus_prev != target)
2894                                 source = source->ws->focus_prev;
2895                         else
2896                                 return;
2897                 }
2898                 if (target == NULL || source == NULL)
2899                         return;
2900                 source->ws->focus_prev = target;
2901                 TAILQ_REMOVE(wl, target, entry);
2902                 TAILQ_INSERT_BEFORE(source, target, entry);
2903                 TAILQ_REMOVE(wl, source, entry);
2904                 TAILQ_INSERT_HEAD(wl, source, entry);
2905                 break;
2906         case SWM_ARG_ID_MOVELAST:
2907                 TAILQ_REMOVE(wl, source, entry);
2908                 TAILQ_INSERT_TAIL(wl, source, entry);
2909                 break;
2910         default:
2911                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2912                 return;
2913         }
2914
2915         sort_windows(wl);
2916
2917         stack();
2918 }
2919
2920 void
2921 focus_prev(struct ws_win *win)
2922 {
2923         struct ws_win           *winfocus = NULL;
2924         struct ws_win           *cur_focus = NULL;
2925         struct ws_win_list      *wl = NULL;
2926         struct workspace        *ws = NULL;
2927
2928         if (!(win && win->ws))
2929                 return;
2930
2931         ws = win->ws;
2932         wl = &ws->winlist;
2933         cur_focus = ws->focus;
2934
2935         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2936             WINID(win), WINID(cur_focus));
2937
2938         /* pickle, just focus on whatever */
2939         if (cur_focus == NULL) {
2940                 /* use prev_focus if valid */
2941                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2942                     find_window(WINID(ws->focus_prev)))
2943                         winfocus = ws->focus_prev;
2944                 goto done;
2945         }
2946
2947         /* if transient focus on parent */
2948         if (cur_focus->transient) {
2949                 winfocus = find_window(cur_focus->transient);
2950                 goto done;
2951         }
2952
2953         /* if in max_stack try harder */
2954         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2955             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2956                 if (cur_focus != ws->focus_prev)
2957                         winfocus = ws->focus_prev;
2958                 else
2959                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2960                 if (winfocus)
2961                         goto done;
2962         }
2963
2964         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2965
2966         if (winfocus == NULL || winfocus == win) {
2967                 switch (focus_close) {
2968                 case SWM_STACK_BOTTOM:
2969                         winfocus = TAILQ_FIRST(wl);
2970                         break;
2971                 case SWM_STACK_TOP:
2972                         winfocus = TAILQ_LAST(wl, ws_win_list);
2973                         break;
2974                 case SWM_STACK_ABOVE:
2975                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2976                                 if (focus_close_wrap)
2977                                         winfocus = TAILQ_FIRST(wl);
2978                                 else
2979                                         winfocus = TAILQ_PREV(cur_focus,
2980                                             ws_win_list, entry);
2981                         }
2982                         break;
2983                 case SWM_STACK_BELOW:
2984                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2985                             entry)) == NULL) {
2986                                 if (focus_close_wrap)
2987                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2988                                 else
2989                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2990                         }
2991                         break;
2992                 }
2993         }
2994 done:
2995         if (winfocus == NULL) {
2996                 if (focus_default == SWM_STACK_TOP)
2997                         winfocus = TAILQ_LAST(wl, ws_win_list);
2998                 else
2999                         winfocus = TAILQ_FIRST(wl);
3000         }
3001
3002         kill_refs(win);
3003         focus_magic(winfocus);
3004 }
3005
3006 void
3007 focus(struct swm_region *r, union arg *args)
3008 {
3009         struct ws_win           *winfocus = NULL, *head;
3010         struct ws_win           *cur_focus = NULL;
3011         struct ws_win_list      *wl = NULL;
3012         struct workspace        *ws = NULL;
3013         int                     all_iconics;
3014
3015         if (!(r && r->ws))
3016                 return;
3017
3018         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3019
3020         /* treat FOCUS_CUR special */
3021         if (args->id == SWM_ARG_ID_FOCUSCUR) {
3022                 if (r->ws->focus && r->ws->focus->iconic == 0)
3023                         winfocus = r->ws->focus;
3024                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
3025                         winfocus = r->ws->focus_prev;
3026                 else
3027                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3028                                 if (winfocus->iconic == 0)
3029                                         break;
3030
3031                 focus_magic(winfocus);
3032                 return;
3033         }
3034
3035         if ((cur_focus = r->ws->focus) == NULL)
3036                 return;
3037         ws = r->ws;
3038         wl = &ws->winlist;
3039         if (TAILQ_EMPTY(wl))
3040                 return;
3041         /* make sure there is at least one uniconified window */
3042         all_iconics = 1;
3043         TAILQ_FOREACH(winfocus, wl, entry)
3044                 if (winfocus->iconic == 0) {
3045                         all_iconics = 0;
3046                         break;
3047                 }
3048         if (all_iconics)
3049                 return;
3050
3051         switch (args->id) {
3052         case SWM_ARG_ID_FOCUSPREV:
3053                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3054                 if (head == NULL)
3055                         head = TAILQ_LAST(wl, ws_win_list);
3056                 winfocus = head;
3057                 if (WINID(winfocus) == cur_focus->transient) {
3058                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3059                         if (head == NULL)
3060                                 head = TAILQ_LAST(wl, ws_win_list);
3061                         winfocus = head;
3062                 }
3063
3064                 /* skip iconics */
3065                 if (winfocus && winfocus->iconic) {
3066                         while (winfocus != cur_focus) {
3067                                 if (winfocus == NULL)
3068                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3069                                 if (winfocus->iconic == 0)
3070                                         break;
3071                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3072                                     entry);
3073                         }
3074                 }
3075                 break;
3076
3077         case SWM_ARG_ID_FOCUSNEXT:
3078                 head = TAILQ_NEXT(cur_focus, entry);
3079                 if (head == NULL)
3080                         head = TAILQ_FIRST(wl);
3081                 winfocus = head;
3082
3083                 /* skip iconics */
3084                 if (winfocus && winfocus->iconic) {
3085                         while (winfocus != cur_focus) {
3086                                 if (winfocus == NULL)
3087                                         winfocus = TAILQ_FIRST(wl);
3088                                 if (winfocus->iconic == 0)
3089                                         break;
3090                                 winfocus = TAILQ_NEXT(winfocus, entry);
3091                         }
3092                 }
3093                 break;
3094
3095         case SWM_ARG_ID_FOCUSMAIN:
3096                 winfocus = TAILQ_FIRST(wl);
3097                 if (winfocus == cur_focus)
3098                         winfocus = cur_focus->ws->focus_prev;
3099                 break;
3100
3101         default:
3102                 return;
3103         }
3104
3105         focus_magic(winfocus);
3106 }
3107
3108 void
3109 cycle_layout(struct swm_region *r, union arg *args)
3110 {
3111         struct workspace        *ws = r->ws;
3112         union arg               a;
3113
3114         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3115
3116         ws->cur_layout++;
3117         if (ws->cur_layout->l_stack == NULL)
3118                 ws->cur_layout = &layouts[0];
3119
3120         stack();
3121         if (focus_mode == SWM_FOCUS_DEFAULT)
3122                 drain_enter_notify();
3123         a.id = SWM_ARG_ID_FOCUSCUR;
3124         focus(r, &a);
3125 }
3126
3127 void
3128 stack_config(struct swm_region *r, union arg *args)
3129 {
3130         struct workspace        *ws = r->ws;
3131
3132         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3133             args->id, ws->idx);
3134
3135         if (ws->cur_layout->l_config != NULL)
3136                 ws->cur_layout->l_config(ws, args->id);
3137
3138         if (args->id != SWM_ARG_ID_STACKINIT)
3139                 stack();
3140         bar_update();
3141 }
3142
3143 void
3144 stack(void) {
3145         struct swm_geometry     g;
3146         struct swm_region       *r;
3147         int                     i, num_screens;
3148 #ifdef SWM_DEBUG
3149         int j;
3150 #endif
3151
3152         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3153
3154         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3155         for (i = 0; i < num_screens; i++) {
3156 #ifdef SWM_DEBUG
3157                 j = 0;
3158 #endif
3159                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3160                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3161                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3162
3163                         /* start with screen geometry, adjust for bar */
3164                         g = r->g;
3165                         g.w -= 2 * border_width;
3166                         g.h -= 2 * border_width;
3167                         if (bar_enabled) {
3168                                 if (!bar_at_bottom)
3169                                         g.y += bar_height;
3170                                 g.h -= bar_height;
3171                         }
3172                         r->ws->cur_layout->l_stack(r->ws, &g);
3173                         r->ws->cur_layout->l_string(r->ws);
3174                         /* save r so we can track region changes */
3175                         r->ws->old_r = r;
3176                 }
3177         }
3178         if (font_adjusted)
3179                 font_adjusted--;
3180
3181         if (focus_mode == SWM_FOCUS_DEFAULT)
3182                 drain_enter_notify();
3183
3184         DNPRINTF(SWM_D_STACK, "stack: end\n");
3185 }
3186
3187 void
3188 store_float_geom(struct ws_win *win, struct swm_region *r)
3189 {
3190         /* retain window geom and region geom */
3191         win->g_float = win->g;
3192         win->g_float.x -= X(r);
3193         win->g_float.y -= Y(r);
3194         win->g_floatvalid = 1;
3195         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3196             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3197             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3198             win->g_float.w, win->g_float.h);
3199 }
3200
3201 void
3202 stack_floater(struct ws_win *win, struct swm_region *r)
3203 {
3204         if (win == NULL)
3205                 return;
3206
3207         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3208
3209         /*
3210          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3211          * geom on ws switches or return from max mode
3212          */
3213         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3214             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3215                 /* refloat at last floating relative position */
3216                 win->g = win->g_float;
3217                 X(win) += X(r);
3218                 Y(win) += Y(r);
3219         }
3220
3221         win->floatmaxed = 0;
3222
3223         /*
3224          * if set to fullscreen mode, configure window to maximum size.
3225          */
3226         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3227                 if (!win->g_floatvalid)
3228                         store_float_geom(win, win->ws->r);
3229
3230                 win->g = win->ws->r->g;
3231         }
3232
3233         /*
3234          * remove border on fullscreen floater when in fullscreen mode or when
3235          * the quirk is present.
3236          */
3237         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3238             ((win->quirks & SWM_Q_FULLSCREEN) &&
3239              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3240                 if (win->bordered) {
3241                         win->bordered = 0;
3242                         X(win) += border_width;
3243                         Y(win) += border_width;
3244                 }
3245         } else if (!win->bordered) {
3246                 win->bordered = 1;
3247                 X(win) -= border_width;
3248                 Y(win) -= border_width;
3249         }
3250
3251         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3252                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3253                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3254         }
3255
3256         if (!win->manual) {
3257                 /*
3258                  * floaters and transients are auto-centred unless moved
3259                  * or resized
3260                  */
3261                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3262                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3263         }
3264
3265         /* keep window within region bounds */
3266         constrain_window(win, r, 0);
3267
3268         update_window(win);
3269 }
3270
3271 /*
3272  * Send keystrokes to terminal to decrease/increase the font size as the
3273  * window size changes.
3274  */
3275 void
3276 adjust_font(struct ws_win *win)
3277 {
3278         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3279             win->floating || win->transient)
3280                 return;
3281
3282         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3283             WIDTH(win) / win->sh.width_inc < term_width &&
3284             win->font_steps < SWM_MAX_FONT_STEPS) {
3285                 win->font_size_boundary[win->font_steps] =
3286                     (win->sh.width_inc * term_width) + win->sh.base_width;
3287                 win->font_steps++;
3288                 font_adjusted++;
3289                 win->last_inc = win->sh.width_inc;
3290                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3291         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3292             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3293                 win->font_steps--;
3294                 font_adjusted++;
3295                 win->last_inc = win->sh.width_inc;
3296                 fake_keypress(win, XK_KP_Add, ShiftMask);
3297         }
3298 }
3299
3300 #define SWAPXY(g)       do {                            \
3301         int tmp;                                        \
3302         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3303         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3304 } while (0)
3305 void
3306 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3307 {
3308         struct swm_geometry     win_g, r_g = *g;
3309         struct ws_win           *win, *fs_win = NULL;
3310         int                     i, j, s, stacks;
3311         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3312         int                     hrh, extra = 0, h_slice, last_h = 0;
3313         int                     split, colno, winno, mwin, msize, mscale;
3314         int                     remain, missing, v_slice, reconfigure;
3315         int                     bordered = 1;
3316         xcb_get_window_attributes_reply_t *war;
3317
3318         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3319             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3320
3321         winno = count_win(ws, 0);
3322         if (winno == 0 && count_win(ws, 1) == 0)
3323                 return;
3324
3325         TAILQ_FOREACH(win, &ws->winlist, entry)
3326                 if (win->transient == 0 && win->floating == 0
3327                     && win->iconic == 0)
3328                         break;
3329
3330         if (win == NULL)
3331                 goto notiles;
3332
3333         if (rot) {
3334                 w_inc = win->sh.width_inc;
3335                 w_base = win->sh.base_width;
3336                 mwin = ws->l_state.horizontal_mwin;
3337                 mscale = ws->l_state.horizontal_msize;
3338                 stacks = ws->l_state.horizontal_stacks;
3339                 SWAPXY(&r_g);
3340         } else {
3341                 w_inc = win->sh.height_inc;
3342                 w_base = win->sh.base_height;
3343                 mwin = ws->l_state.vertical_mwin;
3344                 mscale = ws->l_state.vertical_msize;
3345                 stacks = ws->l_state.vertical_stacks;
3346         }
3347         win_g = r_g;
3348
3349         if (stacks > winno - mwin)
3350                 stacks = winno - mwin;
3351         if (stacks < 1)
3352                 stacks = 1;
3353
3354         h_slice = r_g.h / SWM_H_SLICE;
3355         if (mwin && winno > mwin) {
3356                 v_slice = r_g.w / SWM_V_SLICE;
3357
3358                 split = mwin;
3359                 colno = split;
3360                 win_g.w = v_slice * mscale;
3361
3362                 if (w_inc > 1 && w_inc < v_slice) {
3363                         /* adjust for window's requested size increment */
3364                         remain = (win_g.w - w_base) % w_inc;
3365                         win_g.w -= remain;
3366                 }
3367
3368                 msize = win_g.w;
3369                 if (flip)
3370                         win_g.x += r_g.w - msize;
3371         } else {
3372                 msize = -2;
3373                 colno = split = winno / stacks;
3374                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3375                     2 * border_width) / stacks);
3376         }
3377         hrh = r_g.h / colno;
3378         extra = r_g.h - (colno * hrh);
3379         win_g.h = hrh - 2 * border_width;
3380
3381         /*  stack all the tiled windows */
3382         i = j = 0, s = stacks;
3383         TAILQ_FOREACH(win, &ws->winlist, entry) {
3384                 if (win->transient != 0 || win->floating != 0)
3385                         continue;
3386                 if (win->iconic != 0)
3387                         continue;
3388
3389                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3390                         fs_win = win;
3391                         continue;
3392                 }
3393
3394                 if (split && i == split) {
3395                         colno = (winno - mwin) / stacks;
3396                         if (s <= (winno - mwin) % stacks)
3397                                 colno++;
3398                         split = split + colno;
3399                         hrh = (r_g.h / colno);
3400                         extra = r_g.h - (colno * hrh);
3401                         if (flip)
3402                                 win_g.x = r_g.x;
3403                         else
3404                                 win_g.x += win_g.w + 2 * border_width;
3405                         win_g.w = (r_g.w - msize -
3406                             (stacks * 2 * border_width)) / stacks;
3407                         if (s == 1)
3408                                 win_g.w += (r_g.w - msize -
3409                                     (stacks * 2 * border_width)) % stacks;
3410                         s--;
3411                         j = 0;
3412                 }
3413                 win_g.h = hrh - 2 * border_width;
3414                 if (rot) {
3415                         h_inc = win->sh.width_inc;
3416                         h_base = win->sh.base_width;
3417                 } else {
3418                         h_inc = win->sh.height_inc;
3419                         h_base = win->sh.base_height;
3420                 }
3421                 if (j == colno - 1) {
3422                         win_g.h = hrh + extra;
3423                 } else if (h_inc > 1 && h_inc < h_slice) {
3424                         /* adjust for window's requested size increment */
3425                         remain = (win_g.h - h_base) % h_inc;
3426                         missing = h_inc - remain;
3427
3428                         if (missing <= extra || j == 0) {
3429                                 extra -= missing;
3430                                 win_g.h += missing;
3431                         } else {
3432                                 win_g.h -= remain;
3433                                 extra += remain;
3434                         }
3435                 }
3436
3437                 if (j == 0)
3438                         win_g.y = r_g.y;
3439                 else
3440                         win_g.y += last_h + 2 * border_width;
3441
3442                 if (disable_border && bar_enabled == 0 && winno == 1){
3443                         bordered = 0;
3444                         win_g.w += 2 * border_width;
3445                         win_g.h += 2 * border_width;
3446                 } else {
3447                         bordered = 1;
3448                 }
3449                 if (rot) {
3450                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3451                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3452                                 reconfigure = 1;
3453                                 X(win) = win_g.y;
3454                                 Y(win) = win_g.x;
3455                                 WIDTH(win) = win_g.h;
3456                                 HEIGHT(win) = win_g.w;
3457                         }
3458                 } else {
3459                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3460                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3461                                 reconfigure = 1;
3462                                 X(win) = win_g.x;
3463                                 Y(win) = win_g.y;
3464                                 WIDTH(win) = win_g.w;
3465                                 HEIGHT(win) = win_g.h;
3466                         }
3467                 }
3468
3469                 if (bordered != win->bordered) {
3470                         reconfigure = 1;
3471                         win->bordered = bordered;
3472                 }
3473
3474                 if (reconfigure) {
3475                         adjust_font(win);
3476                         update_window(win);
3477                 }
3478
3479                 war = xcb_get_window_attributes_reply(conn,
3480                         xcb_get_window_attributes(conn, win->id),
3481                         NULL);
3482                 if (war) {
3483                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3484                                 map_window_raised(win->id);
3485                         free(war);
3486                 }
3487
3488                 last_h = win_g.h;
3489                 i++;
3490                 j++;
3491         }
3492
3493 notiles:
3494         /* now, stack all the floaters and transients */
3495         TAILQ_FOREACH(win, &ws->winlist, entry) {
3496                 if (win->transient == 0 && win->floating == 0)
3497                         continue;
3498                 if (win->iconic == 1)
3499                         continue;
3500                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3501                         fs_win = win;
3502                         continue;
3503                 }
3504
3505                 stack_floater(win, ws->r);
3506                 map_window_raised(win->id);
3507         }
3508
3509         if (fs_win) {
3510                 stack_floater(fs_win, ws->r);
3511                 map_window_raised(fs_win->id);
3512         }
3513 }
3514
3515 void
3516 vertical_config(struct workspace *ws, int id)
3517 {
3518         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3519             id, ws->idx);
3520
3521         switch (id) {
3522         case SWM_ARG_ID_STACKRESET:
3523         case SWM_ARG_ID_STACKINIT:
3524                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3525                 ws->l_state.vertical_mwin = 1;
3526                 ws->l_state.vertical_stacks = 1;
3527                 break;
3528         case SWM_ARG_ID_MASTERSHRINK:
3529                 if (ws->l_state.vertical_msize > 1)
3530                         ws->l_state.vertical_msize--;
3531                 break;
3532         case SWM_ARG_ID_MASTERGROW:
3533                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3534                         ws->l_state.vertical_msize++;
3535                 break;
3536         case SWM_ARG_ID_MASTERADD:
3537                 ws->l_state.vertical_mwin++;
3538                 break;
3539         case SWM_ARG_ID_MASTERDEL:
3540                 if (ws->l_state.vertical_mwin > 0)
3541                         ws->l_state.vertical_mwin--;
3542                 break;
3543         case SWM_ARG_ID_STACKINC:
3544                 ws->l_state.vertical_stacks++;
3545                 break;
3546         case SWM_ARG_ID_STACKDEC:
3547                 if (ws->l_state.vertical_stacks > 1)
3548                         ws->l_state.vertical_stacks--;
3549                 break;
3550         case SWM_ARG_ID_FLIPLAYOUT:
3551                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3552                 break;
3553         default:
3554                 return;
3555         }
3556 }
3557
3558 void
3559 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3560 {
3561         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3562
3563         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3564 }
3565
3566 void
3567 horizontal_config(struct workspace *ws, int id)
3568 {
3569         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3570
3571         switch (id) {
3572         case SWM_ARG_ID_STACKRESET:
3573         case SWM_ARG_ID_STACKINIT:
3574                 ws->l_state.horizontal_mwin = 1;
3575                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3576                 ws->l_state.horizontal_stacks = 1;
3577                 break;
3578         case SWM_ARG_ID_MASTERSHRINK:
3579                 if (ws->l_state.horizontal_msize > 1)
3580                         ws->l_state.horizontal_msize--;
3581                 break;
3582         case SWM_ARG_ID_MASTERGROW:
3583                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3584                         ws->l_state.horizontal_msize++;
3585                 break;
3586         case SWM_ARG_ID_MASTERADD:
3587                 ws->l_state.horizontal_mwin++;
3588                 break;
3589         case SWM_ARG_ID_MASTERDEL:
3590                 if (ws->l_state.horizontal_mwin > 0)
3591                         ws->l_state.horizontal_mwin--;
3592                 break;
3593         case SWM_ARG_ID_STACKINC:
3594                 ws->l_state.horizontal_stacks++;
3595                 break;
3596         case SWM_ARG_ID_STACKDEC:
3597                 if (ws->l_state.horizontal_stacks > 1)
3598                         ws->l_state.horizontal_stacks--;
3599                 break;
3600         case SWM_ARG_ID_FLIPLAYOUT:
3601                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3602                 break;
3603         default:
3604                 return;
3605         }
3606 }
3607
3608 void
3609 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3610 {
3611         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3612
3613         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3614 }
3615
3616 /* fullscreen view */
3617 void
3618 max_stack(struct workspace *ws, struct swm_geometry *g)
3619 {
3620         struct swm_geometry     gg = *g;
3621         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3622         int                     winno, num_screens;
3623
3624         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3625
3626         if (ws == NULL)
3627                 return;
3628
3629         winno = count_win(ws, 0);
3630         if (winno == 0 && count_win(ws, 1) == 0)
3631                 return;
3632
3633         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3634         TAILQ_FOREACH(win, &ws->winlist, entry) {
3635                 if (win->transient) {
3636                         wintrans = win;
3637                         parent = find_window(win->transient);
3638                         continue;
3639                 }
3640
3641                 if (win->floating && win->floatmaxed == 0 ) {
3642                         /*
3643                          * retain geometry for retrieval on exit from
3644                          * max_stack mode
3645                          */
3646                         store_float_geom(win, ws->r);
3647                         win->floatmaxed = 1;
3648                 }
3649
3650                 /* only reconfigure if necessary */
3651                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3652                     HEIGHT(win) != gg.h) {
3653                         win->g = gg;
3654                         if (bar_enabled){
3655                                 win->bordered = 1;
3656                         } else {
3657                                 win->bordered = 0;
3658                                 WIDTH(win) += 2 * border_width;
3659                                 HEIGHT(win) += 2 * border_width;
3660                         }
3661
3662                         update_window(win);
3663                 }
3664                 /* unmap only if we don't have multi screen */
3665                 if (win != ws->focus)
3666                         if (!(num_screens > 1 || outputs > 1))
3667                                 unmap_window(win);
3668         }
3669
3670         /* put the last transient on top */
3671         if (wintrans) {
3672                 if (parent)
3673                         map_window_raised(parent->id);
3674                 stack_floater(wintrans, ws->r);
3675                 focus_magic(wintrans);
3676         }
3677 }
3678
3679 void
3680 send_to_ws(struct swm_region *r, union arg *args)
3681 {
3682         int                     wsid = args->id;
3683         struct ws_win           *win = NULL, *parent;
3684         struct workspace        *ws, *nws;
3685         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3686         char                    ws_idx_str[SWM_PROPLEN];
3687         union arg               a;
3688
3689         if (wsid >= workspace_limit)
3690                 return;
3691
3692         if (r && r->ws && r->ws->focus)
3693                 win = r->ws->focus;
3694         else
3695                 return;
3696         if (win == NULL)
3697                 return;
3698         if (win->ws->idx == wsid)
3699                 return;
3700
3701         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3702
3703         ws = win->ws;
3704         nws = &win->s->ws[wsid];
3705
3706         a.id = SWM_ARG_ID_FOCUSPREV;
3707         focus(r, &a);
3708         if (win->transient) {
3709                 parent = find_window(win->transient);
3710                 if (parent) {
3711                         unmap_window(parent);
3712                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3713                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3714                         parent->ws = nws;
3715                 }
3716         }
3717         unmap_window(win);
3718         TAILQ_REMOVE(&ws->winlist, win, entry);
3719         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3720         if (TAILQ_EMPTY(&ws->winlist))
3721                 r->ws->focus = NULL;
3722         win->ws = nws;
3723
3724         /* Try to update the window's workspace property */
3725         ws_idx_atom = get_atom_from_string("_SWM_WS");
3726         if (ws_idx_atom &&
3727             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3728                 SWM_PROPLEN) {
3729                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3730                     ws_idx_str);
3731                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3732                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3733                         ws_idx_str);
3734         }
3735
3736         stack();
3737         bar_update();
3738 }
3739
3740 void
3741 pressbutton(struct swm_region *r, union arg *args)
3742 {
3743         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3744         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3745 }
3746
3747 void
3748 raise_toggle(struct swm_region *r, union arg *args)
3749 {
3750         if (r == NULL || r->ws == NULL)
3751                 return;
3752
3753         r->ws->always_raise = !r->ws->always_raise;
3754
3755         /* bring floaters back to top */
3756         if (r->ws->always_raise == 0)
3757                 stack();
3758 }
3759
3760 void
3761 iconify(struct swm_region *r, union arg *args)
3762 {
3763         union arg a;
3764
3765         if (r->ws->focus == NULL)
3766                 return;
3767         unmap_window(r->ws->focus);
3768         update_iconic(r->ws->focus, 1);
3769         stack();
3770         if (focus_mode == SWM_FOCUS_DEFAULT)
3771                 drain_enter_notify();
3772         r->ws->focus = NULL;
3773         a.id = SWM_ARG_ID_FOCUSCUR;
3774         focus(r, &a);
3775 }
3776
3777 char *
3778 get_win_name(xcb_window_t win)
3779 {
3780         char                            *name = NULL;
3781         xcb_get_property_cookie_t       c;
3782         xcb_get_text_property_reply_t   r;
3783
3784         c = xcb_icccm_get_wm_name(conn, win);
3785         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3786                 if (r.name_len > 0) {
3787                         name = malloc(r.name_len + 1);
3788                         if (!name) {
3789                                 xcb_get_text_property_reply_wipe(&r);
3790                                 return (NULL);
3791                         }
3792                         memcpy(name, r.name, r.name_len);
3793                         name[r.name_len] = '\0';
3794                 }
3795                 xcb_get_text_property_reply_wipe(&r);
3796         }
3797
3798         return (name);
3799 }
3800
3801 void
3802 uniconify(struct swm_region *r, union arg *args)
3803 {
3804         struct ws_win           *win;
3805         FILE                    *lfile;
3806         char                    *name;
3807         int                     count = 0;
3808
3809         DNPRINTF(SWM_D_MISC, "uniconify\n");
3810
3811         if (r == NULL || r->ws == NULL)
3812                 return;
3813
3814         /* make sure we have anything to uniconify */
3815         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3816                 if (win->ws == NULL)
3817                         continue; /* should never happen */
3818                 if (win->iconic == 0)
3819                         continue;
3820                 count++;
3821         }
3822         if (count == 0)
3823                 return;
3824
3825         search_r = r;
3826         search_resp_action = SWM_SEARCH_UNICONIFY;
3827
3828         spawn_select(r, args, "search", &searchpid);
3829
3830         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3831                 return;
3832
3833         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3834                 if (win->ws == NULL)
3835                         continue; /* should never happen */
3836                 if (win->iconic == 0)
3837                         continue;
3838
3839                 name = get_win_name(win->id);
3840                 if (name == NULL)
3841                         continue;
3842                 fprintf(lfile, "%s.%u\n", name, win->id);
3843                 free(name);
3844         }
3845
3846         fclose(lfile);
3847 }
3848
3849 void
3850 name_workspace(struct swm_region *r, union arg *args)
3851 {
3852         FILE                    *lfile;
3853
3854         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3855
3856         if (r == NULL)
3857                 return;
3858
3859         search_r = r;
3860         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3861
3862         spawn_select(r, args, "name_workspace", &searchpid);
3863
3864         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3865                 return;
3866
3867         fprintf(lfile, "%s", "");
3868         fclose(lfile);
3869 }
3870
3871 void
3872 search_workspace(struct swm_region *r, union arg *args)
3873 {
3874         int                     i;
3875         struct workspace        *ws;
3876         FILE                    *lfile;
3877
3878         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3879
3880         if (r == NULL)
3881                 return;
3882
3883         search_r = r;
3884         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3885
3886         spawn_select(r, args, "search", &searchpid);
3887
3888         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3889                 return;
3890
3891         for (i = 0; i < workspace_limit; i++) {
3892                 ws = &r->s->ws[i];
3893                 if (ws == NULL)
3894                         continue;
3895                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3896                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3897         }
3898
3899         fclose(lfile);
3900 }
3901
3902 void
3903 search_win_cleanup(void)
3904 {
3905         struct search_window    *sw = NULL;
3906
3907         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3908                 xcb_destroy_window(conn, sw->indicator);
3909                 xcb_free_gc(conn, sw->gc);
3910                 TAILQ_REMOVE(&search_wl, sw, entry);
3911                 free(sw);
3912         }
3913 }
3914
3915 void
3916 search_win(struct swm_region *r, union arg *args)
3917 {
3918         struct ws_win           *win = NULL;
3919         struct search_window    *sw = NULL;
3920         xcb_window_t            w;
3921         uint32_t                gcv[1], wa[2];
3922         int                     i;
3923         char                    s[8];
3924         FILE                    *lfile;
3925         size_t                  len;
3926         XRectangle              ibox, lbox;
3927         xcb_screen_t            *screen;
3928         DNPRINTF(SWM_D_MISC, "search_win\n");
3929
3930         search_r = r;
3931         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3932
3933         spawn_select(r, args, "search", &searchpid);
3934
3935         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3936                 return;
3937
3938         TAILQ_INIT(&search_wl);
3939
3940         i = 1;
3941         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3942                 if (win->iconic == 1)
3943                         continue;
3944
3945                 sw = calloc(1, sizeof(struct search_window));
3946                 if (sw == NULL) {
3947                         warn("search_win: calloc");
3948                         fclose(lfile);
3949                         search_win_cleanup();
3950                         return;
3951                 }
3952                 sw->idx = i;
3953                 sw->win = win;
3954                 screen = get_screen(sw->idx);
3955
3956                 snprintf(s, sizeof s, "%d", i);
3957                 len = strlen(s);
3958
3959                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3960
3961                 w = xcb_generate_id(conn);
3962                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3963                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3964                 xcb_create_window(conn, screen->root_depth, w, win->id,
3965                         0, 0, lbox.width + 4,
3966                         bar_fs_extents->max_logical_extent.height, 1,
3967                         XCB_WINDOW_CLASS_INPUT_OUTPUT, screen->root_visual,
3968                         XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3969
3970                 sw->indicator = w;
3971                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3972
3973                 sw->gc = xcb_generate_id(conn);
3974                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3975                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND, gcv);
3976                 map_window_raised(w);
3977
3978                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3979                     (bar_fs_extents->max_logical_extent.height -
3980                     lbox.height) / 2 - lbox.y, s);
3981
3982                 fprintf(lfile, "%d\n", i);
3983                 i++;
3984         }
3985
3986         fclose(lfile);
3987 }
3988
3989 void
3990 search_resp_uniconify(char *resp, unsigned long len)
3991 {
3992         char                    *name;
3993         struct ws_win           *win;
3994         char                    *s;
3995
3996         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3997
3998         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3999                 if (win->iconic == 0)
4000                         continue;
4001                 name = get_win_name(win->id);
4002                 if (name == NULL)
4003                         continue;
4004                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4005                         free(name);
4006                         continue;
4007                 }
4008                 free(name);
4009                 if (strncmp(s, resp, len) == 0) {
4010                         /* XXX this should be a callback to generalize */
4011                         update_iconic(win, 0);
4012                         free(s);
4013                         break;
4014                 }
4015                 free(s);
4016         }
4017 }
4018
4019 void
4020 search_resp_name_workspace(char *resp, unsigned long len)
4021 {
4022         struct workspace        *ws;
4023
4024         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4025
4026         if (search_r->ws == NULL)
4027                 return;
4028         ws = search_r->ws;
4029
4030         if (ws->name) {
4031                 free(search_r->ws->name);
4032                 search_r->ws->name = NULL;
4033         }
4034
4035         if (len > 1) {
4036                 ws->name = strdup(resp);
4037                 if (ws->name == NULL) {
4038                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4039                             "strdup: %s", strerror(errno));
4040                         return;
4041                 }
4042         }
4043 }
4044
4045 void
4046 search_resp_search_workspace(char *resp, unsigned long len)
4047 {
4048         char                    *p, *q;
4049         int                     ws_idx;
4050         const char              *errstr;
4051         union arg               a;
4052
4053         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4054
4055         q = strdup(resp);
4056         if (!q) {
4057                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4058                     strerror(errno));
4059                 return;
4060         }
4061         p = strchr(q, ':');
4062         if (p != NULL)
4063                 *p = '\0';
4064         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
4065         if (errstr) {
4066                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4067                     errstr, q);
4068                 free(q);
4069                 return;
4070         }
4071         free(q);
4072         a.id = ws_idx - 1;
4073         switchws(search_r, &a);
4074 }
4075
4076 void
4077 search_resp_search_window(char *resp, unsigned long len)
4078 {
4079         char                    *s;
4080         int                     idx;
4081         const char              *errstr;
4082         struct search_window    *sw;
4083
4084         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4085
4086         s = strdup(resp);
4087         if (!s) {
4088                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4089                     strerror(errno));
4090                 return;
4091         }
4092
4093         idx = strtonum(s, 1, INT_MAX, &errstr);
4094         if (errstr) {
4095                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4096                     errstr, s);
4097                 free(s);
4098                 return;
4099         }
4100         free(s);
4101
4102         TAILQ_FOREACH(sw, &search_wl, entry)
4103                 if (idx == sw->idx) {
4104                         focus_win(sw->win);
4105                         break;
4106                 }
4107 }
4108
4109 #define MAX_RESP_LEN    1024
4110
4111 void
4112 search_do_resp(void)
4113 {
4114         ssize_t                 rbytes;
4115         char                    *resp;
4116         unsigned long           len;
4117
4118         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4119
4120         search_resp = 0;
4121         searchpid = 0;
4122
4123         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4124                 warn("search: calloc");
4125                 goto done;
4126         }
4127
4128         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4129         if (rbytes <= 0) {
4130                 warn("search: read error");
4131                 goto done;
4132         }
4133         resp[rbytes] = '\0';
4134
4135         /* XXX:
4136          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4137          * newline, so work around that by sanitizing the resp now.
4138          */
4139         resp[strcspn(resp, "\n")] = '\0';
4140         len = strlen(resp);
4141
4142         switch (search_resp_action) {
4143         case SWM_SEARCH_UNICONIFY:
4144                 search_resp_uniconify(resp, len);
4145                 break;
4146         case SWM_SEARCH_NAME_WORKSPACE:
4147                 search_resp_name_workspace(resp, len);
4148                 break;
4149         case SWM_SEARCH_SEARCH_WORKSPACE:
4150                 search_resp_search_workspace(resp, len);
4151                 break;
4152         case SWM_SEARCH_SEARCH_WINDOW:
4153                 search_resp_search_window(resp, len);
4154                 break;
4155         }
4156
4157 done:
4158         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4159                 search_win_cleanup();
4160
4161         search_resp_action = SWM_SEARCH_NONE;
4162         close(select_resp_pipe[0]);
4163         free(resp);
4164 }
4165
4166 void
4167 wkill(struct swm_region *r, union arg *args)
4168 {
4169         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4170
4171         if (r->ws->focus == NULL)
4172                 return;
4173
4174         if (args->id == SWM_ARG_ID_KILLWINDOW)
4175                 xcb_kill_client(conn, r->ws->focus->id);
4176         else
4177                 if (r->ws->focus->can_delete)
4178                         client_msg(r->ws->focus, adelete);
4179 }
4180
4181
4182 int
4183 floating_toggle_win(struct ws_win *win)
4184 {
4185         struct swm_region       *r;
4186
4187         if (win == NULL)
4188                 return (0);
4189
4190         if (!win->ws->r)
4191                 return (0);
4192
4193         r = win->ws->r;
4194
4195         /* reject floating toggles in max stack mode */
4196         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4197                 return (0);
4198
4199         if (win->floating) {
4200                 if (!win->floatmaxed) {
4201                         /* retain position for refloat */
4202                         store_float_geom(win, r);
4203                 }
4204                 win->floating = 0;
4205         } else {
4206                 if (win->g_floatvalid) {
4207                         /* refloat at last floating relative position */
4208                         X(win) = win->g_float.x + X(r);
4209                         Y(win) = win->g_float.y + Y(r);
4210                         WIDTH(win) = win->g_float.w;
4211                         HEIGHT(win) = win->g_float.h;
4212                 }
4213                 win->floating = 1;
4214         }
4215
4216         ewmh_update_actions(win);
4217
4218         return (1);
4219 }
4220
4221 void
4222 floating_toggle(struct swm_region *r, union arg *args)
4223 {
4224         struct ws_win           *win = r->ws->focus;
4225         union arg               a;
4226
4227         if (win == NULL)
4228                 return;
4229
4230         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4231             _NET_WM_STATE_TOGGLE);
4232
4233         stack();
4234         if (focus_mode == SWM_FOCUS_DEFAULT)
4235                 drain_enter_notify();
4236
4237         if (win == win->ws->focus) {
4238                 a.id = SWM_ARG_ID_FOCUSCUR;
4239                 focus(win->ws->r, &a);
4240         }
4241 }
4242
4243 void
4244 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4245 {
4246         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4247                 if (resizable)
4248                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4249                 else
4250                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4251         }
4252
4253         if (X(win) + BORDER(win) < X(r)) {
4254                 if (resizable)
4255                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4256
4257                 X(win) = X(r) - BORDER(win);
4258         }
4259
4260         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4261                 if (resizable)
4262                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4263                 else
4264                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4265         }
4266
4267         if (Y(win) + BORDER(win) < Y(r)) {
4268                 if (resizable)
4269                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4270
4271                 Y(win) = Y(r) - BORDER(win);
4272         }
4273
4274         if (resizable) {
4275                 if (WIDTH(win) < 1)
4276                         WIDTH(win) = 1;
4277                 if (HEIGHT(win) < 1)
4278                         HEIGHT(win) = 1;
4279         }
4280 }
4281
4282 void
4283 update_window(struct ws_win *win)
4284 {
4285         uint16_t        mask;
4286         uint32_t        wc[5];
4287
4288         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4289                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4290                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4291         wc[0] = X(win);
4292         wc[1] = Y(win);
4293         wc[2] = WIDTH(win);
4294         wc[3] = HEIGHT(win);
4295         wc[4] = BORDER(win);
4296
4297         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4298             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4299             wc[3], YESNO(win->bordered));
4300
4301         xcb_configure_window(conn, win->id, mask, wc);
4302 }
4303
4304 #define SWM_RESIZE_STEPS        (50)
4305
4306 void
4307 resize(struct ws_win *win, union arg *args)
4308 {
4309         XEvent                  ev;
4310         Time                    time = 0;
4311         struct swm_region       *r = NULL;
4312         int                     resize_step = 0;
4313         struct swm_geometry     g;
4314         int                     top = 0, left = 0;
4315         int                     dx, dy;
4316         unsigned int            shape; /* cursor style */
4317         xcb_cursor_t            cursor;
4318         xcb_font_t              cursor_font;
4319         xcb_grab_pointer_reply_t        *gpr;
4320         xcb_query_pointer_reply_t       *xpr;
4321
4322         if (win == NULL)
4323                 return;
4324         r = win->ws->r;
4325
4326         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4327                 return;
4328
4329         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%x, floating: %s, "
4330             "transient: 0x%x\n", win->id, YESNO(win->floating),
4331             win->transient);
4332
4333         if (!(win->transient != 0 || win->floating != 0))
4334                 return;
4335
4336         /* reject resizes in max mode for floaters (transient ok) */
4337         if (win->floatmaxed)
4338                 return;
4339
4340         win->manual = 1;
4341         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4342             _NET_WM_STATE_ADD);
4343
4344         stack();
4345
4346         switch (args->id) {
4347         case SWM_ARG_ID_WIDTHSHRINK:
4348                 WIDTH(win) -= SWM_RESIZE_STEPS;
4349                 resize_step = 1;
4350                 break;
4351         case SWM_ARG_ID_WIDTHGROW:
4352                 WIDTH(win) += SWM_RESIZE_STEPS;
4353                 resize_step = 1;
4354                 break;
4355         case SWM_ARG_ID_HEIGHTSHRINK:
4356                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4357                 resize_step = 1;
4358                 break;
4359         case SWM_ARG_ID_HEIGHTGROW:
4360                 HEIGHT(win) += SWM_RESIZE_STEPS;
4361                 resize_step = 1;
4362                 break;
4363         default:
4364                 break;
4365         }
4366         if (resize_step) {
4367                 constrain_window(win, r, 1);
4368                 update_window(win);
4369                 store_float_geom(win,r);
4370                 return;
4371         }
4372
4373         if (focus_mode == SWM_FOCUS_DEFAULT)
4374                 drain_enter_notify();
4375
4376         /* get cursor offset from window root */
4377         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4378                 NULL);
4379         if (!xpr)
4380                 return;
4381
4382         g = win->g;
4383
4384         if (xpr->win_x < WIDTH(win) / 2)
4385                 left = 1;
4386
4387         if (xpr->win_y < HEIGHT(win) / 2)
4388                 top = 1;
4389
4390         if (args->id == SWM_ARG_ID_CENTER)
4391                 shape = XC_sizing;
4392         else if (top)
4393                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4394         else
4395                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4396
4397         cursor_font = xcb_generate_id(conn);
4398         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4399
4400         cursor = xcb_generate_id(conn);
4401         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4402                 shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4403
4404         gpr = xcb_grab_pointer_reply(conn,
4405                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4406                 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
4407                 cursor, XCB_CURRENT_TIME),
4408                 NULL);
4409         if (!gpr) {
4410                 xcb_free_cursor(conn, cursor);
4411                 xcb_close_font(conn, cursor_font);
4412                 free(xpr);
4413                 return;
4414         }
4415
4416         do {
4417                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4418                     SubstructureRedirectMask, &ev);
4419                 switch (ev.type) {
4420                 case ConfigureRequest:
4421                 case Expose:
4422                 case MapRequest:
4423                         handler[ev.type](&ev);
4424                         break;
4425                 case MotionNotify:
4426                         /* cursor offset/delta from start of the operation */
4427                         dx = ev.xmotion.x_root - xpr->root_x;
4428                         dy = ev.xmotion.y_root - xpr->root_y;
4429
4430                         /* vertical */
4431                         if (top)
4432                                 dy = -dy;
4433
4434                         if (args->id == SWM_ARG_ID_CENTER) {
4435                                 if (g.h / 2 + dy < 1)
4436                                         dy = 1 - g.h / 2;
4437
4438                                 Y(win) = g.y - dy;
4439                                 HEIGHT(win) = g.h + 2 * dy;
4440                         } else {
4441                                 if (g.h + dy < 1)
4442                                         dy = 1 - g.h;
4443
4444                                 if (top)
4445                                         Y(win) = g.y - dy;
4446
4447                                 HEIGHT(win) = g.h + dy;
4448                         }
4449
4450                         /* horizontal */
4451                         if (left)
4452                                 dx = -dx;
4453
4454                         if (args->id == SWM_ARG_ID_CENTER) {
4455                                 if (g.w / 2 + dx < 1)
4456                                         dx = 1 - g.w / 2;
4457
4458                                 X(win) = g.x - dx;
4459                                 WIDTH(win) = g.w + 2 * dx;
4460                         } else {
4461                                 if (g.w + dx < 1)
4462                                         dx = 1 - g.w;
4463
4464                                 if (left)
4465                                         X(win) = g.x - dx;
4466
4467                                 WIDTH(win) = g.w + dx;
4468                         }
4469
4470                         constrain_window(win, r, 1);
4471
4472                         /* not free, don't sync more than 120 times / second */
4473                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4474                                 time = ev.xmotion.time;
4475                                 do_sync();
4476                                 update_window(win);
4477                         }
4478                         break;
4479                 }
4480         } while (ev.type != ButtonRelease);
4481         if (time) {
4482                 do_sync();
4483                 update_window(win);
4484         }
4485         store_float_geom(win,r);
4486
4487         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4488         xcb_free_cursor(conn, cursor);
4489         xcb_close_font(conn, cursor_font);
4490         free(gpr);
4491         free(xpr);
4492
4493         /* drain events */
4494         drain_enter_notify();
4495 }
4496
4497 void
4498 resize_step(struct swm_region *r, union arg *args)
4499 {
4500         struct ws_win           *win = NULL;
4501
4502         if (r && r->ws && r->ws->focus)
4503                 win = r->ws->focus;
4504         else
4505                 return;
4506
4507         resize(win, args);
4508 }
4509
4510 #define SWM_MOVE_STEPS  (50)
4511
4512 void
4513 move(struct ws_win *win, union arg *args)
4514 {
4515         XEvent                  ev;
4516         Time                    time = 0;
4517         int                     move_step = 0;
4518         struct swm_region       *r = NULL;
4519         xcb_font_t                      cursor_font;
4520         xcb_cursor_t                    cursor;
4521         xcb_grab_pointer_reply_t        *gpr;
4522         xcb_query_pointer_reply_t       *qpr;
4523
4524         if (win == NULL)
4525                 return;
4526         r = win->ws->r;
4527
4528         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4529                 return;
4530
4531         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%x, floating: %s, transient: "
4532             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4533
4534         /* in max_stack mode should only move transients */
4535         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4536                 return;
4537
4538         win->manual = 1;
4539         if (win->floating == 0 && !win->transient) {
4540                 store_float_geom(win, r);
4541                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4542                     _NET_WM_STATE_ADD);
4543         }
4544         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4545             _NET_WM_STATE_ADD);
4546
4547         stack();
4548
4549         move_step = 0;
4550         switch (args->id) {
4551         case SWM_ARG_ID_MOVELEFT:
4552                 X(win) -= (SWM_MOVE_STEPS - border_width);
4553                 move_step = 1;
4554                 break;
4555         case SWM_ARG_ID_MOVERIGHT:
4556                 X(win) += (SWM_MOVE_STEPS - border_width);
4557                 move_step = 1;
4558                 break;
4559         case SWM_ARG_ID_MOVEUP:
4560                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4561                 move_step = 1;
4562                 break;
4563         case SWM_ARG_ID_MOVEDOWN:
4564                 Y(win) += (SWM_MOVE_STEPS - border_width);
4565                 move_step = 1;
4566                 break;
4567         default:
4568                 break;
4569         }
4570         if (move_step) {
4571                 constrain_window(win, r, 0);
4572                 update_window(win);
4573                 store_float_geom(win, r);
4574                 return;
4575         }
4576
4577         cursor_font = xcb_generate_id(conn);
4578         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4579
4580         cursor = xcb_generate_id(conn);
4581         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4582                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4583
4584         gpr = xcb_grab_pointer_reply(conn,
4585                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4586                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4587                         XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME),
4588                 NULL);
4589         if (!gpr) {
4590                 xcb_free_cursor(conn, cursor);
4591                 xcb_close_font(conn, cursor_font);
4592                 return;
4593         }
4594
4595         /* get cursor offset from window root */
4596         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4597                 NULL);
4598         if (!qpr) {
4599                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4600                 xcb_free_cursor(conn, cursor);
4601                 xcb_close_font(conn, cursor_font);
4602                 return;
4603         }
4604         do {
4605                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4606                     SubstructureRedirectMask, &ev);
4607                 switch (ev.type) {
4608                 case ConfigureRequest:
4609                 case Expose:
4610                 case MapRequest:
4611                         handler[ev.type](&ev);
4612                         break;
4613                 case MotionNotify:
4614                         X(win) = ev.xmotion.x_root - qpr->win_x - border_width;
4615                         Y(win) = ev.xmotion.y_root - qpr->win_y - border_width;
4616
4617                         constrain_window(win, r, 0);
4618
4619                         /* not free, don't sync more than 120 times / second */
4620                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4621                                 time = ev.xmotion.time;
4622                                 do_sync();
4623                                 update_window(win);
4624                         }
4625                         break;
4626                 }
4627         } while (ev.type != ButtonRelease);
4628         if (time) {
4629                 do_sync();
4630                 update_window(win);
4631         }
4632         store_float_geom(win, r);
4633         free(qpr);
4634         xcb_free_cursor(conn, cursor);
4635         xcb_close_font(conn, cursor_font);
4636         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4637
4638         /* drain events */
4639         drain_enter_notify();
4640 }
4641
4642 void
4643 move_step(struct swm_region *r, union arg *args)
4644 {
4645         struct ws_win           *win = NULL;
4646
4647         if (r && r->ws && r->ws->focus)
4648                 win = r->ws->focus;
4649         else
4650                 return;
4651
4652         if (!(win->transient != 0 || win->floating != 0))
4653                 return;
4654
4655         move(win, args);
4656 }
4657
4658
4659 /* user/key callable function IDs */
4660 enum keyfuncid {
4661         kf_cycle_layout,
4662         kf_flip_layout,
4663         kf_stack_reset,
4664         kf_master_shrink,
4665         kf_master_grow,
4666         kf_master_add,
4667         kf_master_del,
4668         kf_stack_inc,
4669         kf_stack_dec,
4670         kf_swap_main,
4671         kf_focus_next,
4672         kf_focus_prev,
4673         kf_swap_next,
4674         kf_swap_prev,
4675         kf_quit,
4676         kf_restart,
4677         kf_focus_main,
4678         kf_ws_1,
4679         kf_ws_2,
4680         kf_ws_3,
4681         kf_ws_4,
4682         kf_ws_5,
4683         kf_ws_6,
4684         kf_ws_7,
4685         kf_ws_8,
4686         kf_ws_9,
4687         kf_ws_10,
4688         kf_ws_11,
4689         kf_ws_12,
4690         kf_ws_13,
4691         kf_ws_14,
4692         kf_ws_15,
4693         kf_ws_16,
4694         kf_ws_17,
4695         kf_ws_18,
4696         kf_ws_19,
4697         kf_ws_20,
4698         kf_ws_21,
4699         kf_ws_22,
4700         kf_ws_next,
4701         kf_ws_prev,
4702         kf_ws_next_all,
4703         kf_ws_prev_all,
4704         kf_ws_prior,
4705         kf_screen_next,
4706         kf_screen_prev,
4707         kf_mvws_1,
4708         kf_mvws_2,
4709         kf_mvws_3,
4710         kf_mvws_4,
4711         kf_mvws_5,
4712         kf_mvws_6,
4713         kf_mvws_7,
4714         kf_mvws_8,
4715         kf_mvws_9,
4716         kf_mvws_10,
4717         kf_mvws_11,
4718         kf_mvws_12,
4719         kf_mvws_13,
4720         kf_mvws_14,
4721         kf_mvws_15,
4722         kf_mvws_16,
4723         kf_mvws_17,
4724         kf_mvws_18,
4725         kf_mvws_19,
4726         kf_mvws_20,
4727         kf_mvws_21,
4728         kf_mvws_22,
4729         kf_bar_toggle,
4730         kf_wind_kill,
4731         kf_wind_del,
4732         kf_float_toggle,
4733         kf_version,
4734         kf_spawn_custom,
4735         kf_iconify,
4736         kf_uniconify,
4737         kf_raise_toggle,
4738         kf_button2,
4739         kf_width_shrink,
4740         kf_width_grow,
4741         kf_height_shrink,
4742         kf_height_grow,
4743         kf_move_left,
4744         kf_move_right,
4745         kf_move_up,
4746         kf_move_down,
4747         kf_name_workspace,
4748         kf_search_workspace,
4749         kf_search_win,
4750         kf_dumpwins, /* MUST BE LAST */
4751         kf_invalid
4752 };
4753
4754 /* key definitions */
4755 void
4756 dummykeyfunc(struct swm_region *r, union arg *args)
4757 {
4758 };
4759
4760 struct keyfunc {
4761         char                    name[SWM_FUNCNAME_LEN];
4762         void                    (*func)(struct swm_region *r, union arg *);
4763         union arg               args;
4764 } keyfuncs[kf_invalid + 1] = {
4765         /* name                 function        argument */
4766         { "cycle_layout",       cycle_layout,   {0} },
4767         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4768         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4769         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4770         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4771         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4772         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4773         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4774         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4775         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4776         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4777         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4778         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4779         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4780         { "quit",               quit,           {0} },
4781         { "restart",            restart,        {0} },
4782         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4783         { "ws_1",               switchws,       {.id = 0} },
4784         { "ws_2",               switchws,       {.id = 1} },
4785         { "ws_3",               switchws,       {.id = 2} },
4786         { "ws_4",               switchws,       {.id = 3} },
4787         { "ws_5",               switchws,       {.id = 4} },
4788         { "ws_6",               switchws,       {.id = 5} },
4789         { "ws_7",               switchws,       {.id = 6} },
4790         { "ws_8",               switchws,       {.id = 7} },
4791         { "ws_9",               switchws,       {.id = 8} },
4792         { "ws_10",              switchws,       {.id = 9} },
4793         { "ws_11",              switchws,       {.id = 10} },
4794         { "ws_12",              switchws,       {.id = 11} },
4795         { "ws_13",              switchws,       {.id = 12} },
4796         { "ws_14",              switchws,       {.id = 13} },
4797         { "ws_15",              switchws,       {.id = 14} },
4798         { "ws_16",              switchws,       {.id = 15} },
4799         { "ws_17",              switchws,       {.id = 16} },
4800         { "ws_18",              switchws,       {.id = 17} },
4801         { "ws_19",              switchws,       {.id = 18} },
4802         { "ws_20",              switchws,       {.id = 19} },
4803         { "ws_21",              switchws,       {.id = 20} },
4804         { "ws_22",              switchws,       {.id = 21} },
4805         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4806         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4807         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4808         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4809         { "ws_prior",           priorws,        {0} },
4810         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4811         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4812         { "mvws_1",             send_to_ws,     {.id = 0} },
4813         { "mvws_2",             send_to_ws,     {.id = 1} },
4814         { "mvws_3",             send_to_ws,     {.id = 2} },
4815         { "mvws_4",             send_to_ws,     {.id = 3} },
4816         { "mvws_5",             send_to_ws,     {.id = 4} },
4817         { "mvws_6",             send_to_ws,     {.id = 5} },
4818         { "mvws_7",             send_to_ws,     {.id = 6} },
4819         { "mvws_8",             send_to_ws,     {.id = 7} },
4820         { "mvws_9",             send_to_ws,     {.id = 8} },
4821         { "mvws_10",            send_to_ws,     {.id = 9} },
4822         { "mvws_11",            send_to_ws,     {.id = 10} },
4823         { "mvws_12",            send_to_ws,     {.id = 11} },
4824         { "mvws_13",            send_to_ws,     {.id = 12} },
4825         { "mvws_14",            send_to_ws,     {.id = 13} },
4826         { "mvws_15",            send_to_ws,     {.id = 14} },
4827         { "mvws_16",            send_to_ws,     {.id = 15} },
4828         { "mvws_17",            send_to_ws,     {.id = 16} },
4829         { "mvws_18",            send_to_ws,     {.id = 17} },
4830         { "mvws_19",            send_to_ws,     {.id = 18} },
4831         { "mvws_20",            send_to_ws,     {.id = 19} },
4832         { "mvws_21",            send_to_ws,     {.id = 20} },
4833         { "mvws_22",            send_to_ws,     {.id = 21} },
4834         { "bar_toggle",         bar_toggle,     {0} },
4835         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4836         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4837         { "float_toggle",       floating_toggle,{0} },
4838         { "version",            version,        {0} },
4839         { "spawn_custom",       dummykeyfunc,   {0} },
4840         { "iconify",            iconify,        {0} },
4841         { "uniconify",          uniconify,      {0} },
4842         { "raise_toggle",       raise_toggle,   {0} },
4843         { "button2",            pressbutton,    {2} },
4844         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4845         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4846         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4847         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4848         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4849         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4850         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4851         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4852         { "name_workspace",     name_workspace, {0} },
4853         { "search_workspace",   search_workspace,       {0} },
4854         { "search_win",         search_win,     {0} },
4855         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4856         { "invalid key func",   NULL,           {0} },
4857 };
4858 struct key {
4859         RB_ENTRY(key)           entry;
4860         unsigned int            mod;
4861         KeySym                  keysym;
4862         enum keyfuncid          funcid;
4863         char                    *spawn_name;
4864 };
4865 RB_HEAD(key_tree, key);
4866
4867 int
4868 key_cmp(struct key *kp1, struct key *kp2)
4869 {
4870         if (kp1->keysym < kp2->keysym)
4871                 return (-1);
4872         if (kp1->keysym > kp2->keysym)
4873                 return (1);
4874
4875         if (kp1->mod < kp2->mod)
4876                 return (-1);
4877         if (kp1->mod > kp2->mod)
4878                 return (1);
4879
4880         return (0);
4881 }
4882
4883 RB_GENERATE(key_tree, key, entry, key_cmp);
4884 struct key_tree                 keys;
4885
4886 /* mouse */
4887 enum { client_click, root_click };
4888 struct button {
4889         unsigned int            action;
4890         unsigned int            mask;
4891         unsigned int            button;
4892         void                    (*func)(struct ws_win *, union arg *);
4893         union arg               args;
4894 } buttons[] = {
4895           /* action     key             mouse button    func    args */
4896         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4897         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4898         { client_click, MODKEY,         Button1,        move,   {0} },
4899 };
4900
4901 void
4902 update_modkey(unsigned int mod)
4903 {
4904         int                     i;
4905         struct key              *kp;
4906
4907         mod_key = mod;
4908         RB_FOREACH(kp, key_tree, &keys)
4909                 if (kp->mod & ShiftMask)
4910                         kp->mod = mod | ShiftMask;
4911                 else
4912                         kp->mod = mod;
4913
4914         for (i = 0; i < LENGTH(buttons); i++)
4915                 if (buttons[i].mask & ShiftMask)
4916                         buttons[i].mask = mod | ShiftMask;
4917                 else
4918                         buttons[i].mask = mod;
4919 }
4920
4921 /* spawn */
4922 struct spawn_prog {
4923         TAILQ_ENTRY(spawn_prog) entry;
4924         char                    *name;
4925         int                     argc;
4926         char                    **argv;
4927 };
4928 TAILQ_HEAD(spawn_list, spawn_prog);
4929 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4930
4931 int
4932 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4933     char ***ret_args)
4934 {
4935         struct spawn_prog       *prog = NULL;
4936         int                     i;
4937         char                    *ap, **real_args;
4938
4939         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4940
4941         /* find program */
4942         TAILQ_FOREACH(prog, &spawns, entry) {
4943                 if (!strcasecmp(spawn_name, prog->name))
4944                         break;
4945         }
4946         if (prog == NULL) {
4947                 warnx("spawn_custom: program %s not found", spawn_name);
4948                 return (-1);
4949         }
4950
4951         /* make room for expanded args */
4952         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4953                 err(1, "spawn_custom: calloc real_args");
4954
4955         /* expand spawn_args into real_args */
4956         for (i = 0; i < prog->argc; i++) {
4957                 ap = prog->argv[i];
4958                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4959                 if (!strcasecmp(ap, "$bar_border")) {
4960                         if ((real_args[i] =
4961                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4962                             == NULL)
4963                                 err(1,  "spawn_custom border color");
4964                 } else if (!strcasecmp(ap, "$bar_color")) {
4965                         if ((real_args[i] =
4966                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4967                             == NULL)
4968                                 err(1, "spawn_custom bar color");
4969                 } else if (!strcasecmp(ap, "$bar_font")) {
4970                         if ((real_args[i] = strdup(bar_fonts))
4971                             == NULL)
4972                                 err(1, "spawn_custom bar fonts");
4973                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4974                         if ((real_args[i] =
4975                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4976                             == NULL)
4977                                 err(1, "spawn_custom color font");
4978                 } else if (!strcasecmp(ap, "$color_focus")) {
4979                         if ((real_args[i] =
4980                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4981                             == NULL)
4982                                 err(1, "spawn_custom color focus");
4983                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4984                         if ((real_args[i] =
4985                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4986                             == NULL)
4987                                 err(1, "spawn_custom color unfocus");
4988                 } else {
4989                         /* no match --> copy as is */
4990                         if ((real_args[i] = strdup(ap)) == NULL)
4991                                 err(1, "spawn_custom strdup(ap)");
4992                 }
4993                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4994                     real_args[i]);
4995         }
4996
4997 #ifdef SWM_DEBUG
4998         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4999         for (i = 0; i < prog->argc; i++)
5000                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5001         DNPRINTF(SWM_D_SPAWN, "\n");
5002 #endif
5003         *ret_args = real_args;
5004         return (prog->argc);
5005 }
5006
5007 void
5008 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
5009 {
5010         union arg               a;
5011         char                    **real_args;
5012         int                     spawn_argc, i;
5013
5014         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5015                 return;
5016         a.argv = real_args;
5017         if (fork() == 0)
5018                 spawn(r->ws->idx, &a, 1);
5019
5020         for (i = 0; i < spawn_argc; i++)
5021                 free(real_args[i]);
5022         free(real_args);
5023 }
5024
5025 void
5026 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
5027 {
5028         union arg               a;
5029         char                    **real_args;
5030         int                     i, spawn_argc;
5031
5032         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5033                 return;
5034         a.argv = real_args;
5035
5036         if (pipe(select_list_pipe) == -1)
5037                 err(1, "pipe error");
5038         if (pipe(select_resp_pipe) == -1)
5039                 err(1, "pipe error");
5040
5041         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5042                 err(1, "could not disable SIGPIPE");
5043         switch (*pid = fork()) {
5044         case -1:
5045                 err(1, "cannot fork");
5046                 break;
5047         case 0: /* child */
5048                 if (dup2(select_list_pipe[0], 0) == -1)
5049                         err(1, "dup2");
5050                 if (dup2(select_resp_pipe[1], 1) == -1)
5051                         err(1, "dup2");
5052                 close(select_list_pipe[1]);
5053                 close(select_resp_pipe[0]);
5054                 spawn(r->ws->idx, &a, 0);
5055                 break;
5056         default: /* parent */
5057                 close(select_list_pipe[0]);
5058                 close(select_resp_pipe[1]);
5059                 break;
5060         }
5061
5062         for (i = 0; i < spawn_argc; i++)
5063                 free(real_args[i]);
5064         free(real_args);
5065 }
5066
5067 void
5068 spawn_insert(char *name, char *args)
5069 {
5070         char                    *arg, *cp, *ptr;
5071         struct spawn_prog       *sp;
5072
5073         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5074
5075         if ((sp = calloc(1, sizeof *sp)) == NULL)
5076                 err(1, "spawn_insert: malloc");
5077         if ((sp->name = strdup(name)) == NULL)
5078                 err(1, "spawn_insert: strdup");
5079
5080         /* convert the arguments to an argument list */
5081         if ((ptr = cp = strdup(args)) == NULL)
5082                 err(1, "spawn_insert: strdup");
5083         while ((arg = strsep(&ptr, " \t")) != NULL) {
5084                 /* empty field; skip it */
5085                 if (*arg == '\0')
5086                         continue;
5087
5088                 sp->argc++;
5089                 if ((sp->argv = realloc(sp->argv, sp->argc *
5090                     sizeof *sp->argv)) == NULL)
5091                         err(1, "spawn_insert: realloc");
5092                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5093                         err(1, "spawn_insert: strdup");
5094         }
5095         free(cp);
5096
5097         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5098         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5099 }
5100
5101 void
5102 spawn_remove(struct spawn_prog *sp)
5103 {
5104         int                     i;
5105
5106         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5107
5108         TAILQ_REMOVE(&spawns, sp, entry);
5109         for (i = 0; i < sp->argc; i++)
5110                 free(sp->argv[i]);
5111         free(sp->argv);
5112         free(sp->name);
5113         free(sp);
5114
5115         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5116 }
5117
5118 void
5119 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5120 {
5121         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5122
5123         spawn_remove(sp);
5124         spawn_insert(name, args);
5125
5126         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5127 }
5128
5129 void
5130 setspawn(char *name, char *args)
5131 {
5132         struct spawn_prog       *sp;
5133
5134         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5135
5136         if (name == NULL)
5137                 return;
5138
5139         TAILQ_FOREACH(sp, &spawns, entry) {
5140                 if (!strcmp(sp->name, name)) {
5141                         if (*args == '\0')
5142                                 spawn_remove(sp);
5143                         else
5144                                 spawn_replace(sp, name, args);
5145                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5146                         return;
5147                 }
5148         }
5149         if (*args == '\0') {
5150                 warnx("error: setspawn: cannot find program: %s", name);
5151                 return;
5152         }
5153
5154         spawn_insert(name, args);
5155         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5156 }
5157
5158 int
5159 setconfspawn(char *selector, char *value, int flags)
5160 {
5161         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5162
5163         setspawn(selector, value);
5164
5165         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5166         return (0);
5167 }
5168
5169 void
5170 setup_spawn(void)
5171 {
5172         setconfspawn("term",            "xterm",                0);
5173         setconfspawn("spawn_term",      "xterm",                0);
5174         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5175         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5176         setconfspawn("lock",            "xlock",                0);
5177         setconfspawn("initscr",         "initscreen.sh",        0);
5178         setconfspawn("menu",            "dmenu_run"
5179                                         " -fn $bar_font"
5180                                         " -nb $bar_color"
5181                                         " -nf $bar_font_color"
5182                                         " -sb $bar_border"
5183                                         " -sf $bar_color",      0);
5184         setconfspawn("search",          "dmenu"
5185                                         " -i"
5186                                         " -fn $bar_font"
5187                                         " -nb $bar_color"
5188                                         " -nf $bar_font_color"
5189                                         " -sb $bar_border"
5190                                         " -sf $bar_color",      0);
5191         setconfspawn("name_workspace",  "dmenu"
5192                                         " -p Workspace"
5193                                         " -fn $bar_font"
5194                                         " -nb $bar_color"
5195                                         " -nf $bar_font_color"
5196                                         " -sb $bar_border"
5197                                         " -sf $bar_color",      0);
5198 }
5199
5200 /* key bindings */
5201 #define SWM_MODNAME_SIZE        32
5202 #define SWM_KEY_WS              "\n+ \t"
5203 int
5204 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5205 {
5206         char                    *cp, *name;
5207         KeySym                  uks;
5208         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5209         if (mod == NULL || ks == NULL) {
5210                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5211                 return (1);
5212         }
5213         if (keystr == NULL || strlen(keystr) == 0) {
5214                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5215                 return (1);
5216         }
5217         cp = keystr;
5218         *ks = NoSymbol;
5219         *mod = 0;
5220         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5221                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5222                 if (cp)
5223                         cp += (long)strspn(cp, SWM_KEY_WS);
5224                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5225                         *mod |= currmod;
5226                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5227                         *mod |= Mod1Mask;
5228                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5229                         *mod += Mod2Mask;
5230                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5231                         *mod |= Mod3Mask;
5232                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5233                         *mod |= Mod4Mask;
5234                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5235                         *mod |= ShiftMask;
5236                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5237                         *mod |= ControlMask;
5238                 else {
5239                         *ks = XStringToKeysym(name);
5240                         XConvertCase(*ks, ks, &uks);
5241                         if (ks == NoSymbol) {
5242                                 DNPRINTF(SWM_D_KEY,
5243                                     "parsekeys: invalid key %s\n",
5244                                     name);
5245                                 return (1);
5246                         }
5247                 }
5248         }
5249         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5250         return (0);
5251 }
5252
5253 char *
5254 strdupsafe(char *str)
5255 {
5256         if (str == NULL)
5257                 return (NULL);
5258         else
5259                 return (strdup(str));
5260 }
5261
5262 void
5263 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5264 {
5265         struct key              *kp;
5266
5267         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5268             keyfuncs[kfid].name, spawn_name);
5269
5270         if ((kp = malloc(sizeof *kp)) == NULL)
5271                 err(1, "key_insert: malloc");
5272
5273         kp->mod = mod;
5274         kp->keysym = ks;
5275         kp->funcid = kfid;
5276         kp->spawn_name = strdupsafe(spawn_name);
5277         RB_INSERT(key_tree, &keys, kp);
5278
5279         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5280 }
5281
5282 struct key *
5283 key_lookup(unsigned int mod, KeySym ks)
5284 {
5285         struct key              kp;
5286
5287         kp.keysym = ks;
5288         kp.mod = mod;
5289
5290         return (RB_FIND(key_tree, &keys, &kp));
5291 }
5292
5293 void
5294 key_remove(struct key *kp)
5295 {
5296         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5297
5298         RB_REMOVE(key_tree, &keys, kp);
5299         free(kp->spawn_name);
5300         free(kp);
5301
5302         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5303 }
5304
5305 void
5306 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5307     char *spawn_name)
5308 {
5309         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5310             spawn_name);
5311
5312         key_remove(kp);
5313         key_insert(mod, ks, kfid, spawn_name);
5314
5315         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5316 }
5317
5318 void
5319 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5320     char *spawn_name)
5321 {
5322         struct key              *kp;
5323
5324         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5325             keyfuncs[kfid].name, spawn_name);
5326
5327         if ((kp = key_lookup(mod, ks)) != NULL) {
5328                 if (kfid == kf_invalid)
5329                         key_remove(kp);
5330                 else
5331                         key_replace(kp, mod, ks, kfid, spawn_name);
5332                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5333                 return;
5334         }
5335         if (kfid == kf_invalid) {
5336                 warnx("error: setkeybinding: cannot find mod/key combination");
5337                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5338                 return;
5339         }
5340
5341         key_insert(mod, ks, kfid, spawn_name);
5342         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5343 }
5344
5345 int
5346 setconfbinding(char *selector, char *value, int flags)
5347 {
5348         enum keyfuncid          kfid;
5349         unsigned int            mod;
5350         KeySym                  ks;
5351         struct spawn_prog       *sp;
5352         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5353         if (selector == NULL) {
5354                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5355                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5356                         kfid = kf_invalid;
5357                         setkeybinding(mod, ks, kfid, NULL);
5358                         return (0);
5359                 } else
5360                         return (1);
5361         }
5362         /* search by key function name */
5363         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5364                 if (strncasecmp(selector, keyfuncs[kfid].name,
5365                     SWM_FUNCNAME_LEN) == 0) {
5366                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5367                             selector);
5368                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5369                                 setkeybinding(mod, ks, kfid, NULL);
5370                                 return (0);
5371                         } else
5372                                 return (1);
5373                 }
5374         }
5375         /* search by custom spawn name */
5376         TAILQ_FOREACH(sp, &spawns, entry) {
5377                 if (strcasecmp(selector, sp->name) == 0) {
5378                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5379                             selector);
5380                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5381                                 setkeybinding(mod, ks, kf_spawn_custom,
5382                                     sp->name);
5383                                 return (0);
5384                         } else
5385                                 return (1);
5386                 }
5387         }
5388         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5389         return (1);
5390 }
5391
5392 void
5393 setup_keys(void)
5394 {
5395         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5396         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5397         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5398         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5399         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5400         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5401         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5402         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5403         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5404         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5405         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5406         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5407         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5408         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5409         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5410         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5411         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5412         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5413         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5414         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5415         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5416         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5417         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5418         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5419         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5420         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5421         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5422         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5423         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5424         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5425         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5426         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5427         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5428         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5429         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5430         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5431         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5432         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5433         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5434         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5435         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5436         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5437         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5438         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5439         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5440         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5441         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5442         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5443         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5444         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5445         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5446         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5447         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5448         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5449         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5450         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5451         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5452         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5453         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5454         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5455         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5456         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5457         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5458         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5459         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5460         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5461         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5462         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5463         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5464         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5465         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5466         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5467         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5468         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5469         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5470         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5471         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5472         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5473         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5474         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5475         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5476         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5477         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5478         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5479         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5480         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5481         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5482         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5483         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5484         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5485         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5486         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5487         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5488         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5489         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5490         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5491 #ifdef SWM_DEBUG
5492         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5493 #endif
5494 }
5495
5496 void
5497 clear_keys(void)
5498 {
5499         struct key              *kp;
5500
5501         while (RB_EMPTY(&keys) == 0) {
5502                 kp = RB_ROOT(&keys);
5503                 key_remove(kp);
5504         }
5505 }
5506
5507 int
5508 setkeymapping(char *selector, char *value, int flags)
5509 {
5510         char                    keymapping_file[PATH_MAX];
5511         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5512         if (value[0] == '~')
5513                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5514                     pwd->pw_dir, &value[1]);
5515         else
5516                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5517         clear_keys();
5518         /* load new key bindings; if it fails, revert to default bindings */
5519         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5520                 clear_keys();
5521                 setup_keys();
5522         }
5523         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5524         return (0);
5525 }
5526
5527 void
5528 updatenumlockmask(void)
5529 {
5530         unsigned int            i, j;
5531         XModifierKeymap         *modmap;
5532
5533         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5534         numlockmask = 0;
5535         modmap = XGetModifierMapping(display);
5536         for (i = 0; i < 8; i++)
5537                 for (j = 0; j < modmap->max_keypermod; j++)
5538                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5539                             == XKeysymToKeycode(display, XK_Num_Lock))
5540                                 numlockmask = (1 << i);
5541
5542         XFreeModifiermap(modmap);
5543 }
5544
5545 void
5546 grabkeys(void)
5547 {
5548         int                     num_screens;
5549         unsigned int            j, k;
5550         KeyCode                 code;
5551         unsigned int            modifiers[] =
5552             { 0, LockMask, numlockmask, numlockmask | LockMask };
5553         struct key              *kp;
5554
5555         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5556         updatenumlockmask();
5557
5558         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5559         for (k = 0; k < num_screens; k++) {
5560                 if (TAILQ_EMPTY(&screens[k].rl))
5561                         continue;
5562                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5563                         XCB_MOD_MASK_ANY);
5564                 RB_FOREACH(kp, key_tree, &keys) {
5565                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5566                                 for (j = 0; j < LENGTH(modifiers); j++)
5567                                         XGrabKey(display, code,
5568                                             kp->mod | modifiers[j],
5569                                             screens[k].root, True,
5570                                             GrabModeAsync, GrabModeAsync);
5571                 }
5572         }
5573 }
5574
5575 void
5576 grabbuttons(struct ws_win *win, int focused)
5577 {
5578         unsigned int            i, j;
5579         unsigned int            modifiers[] =
5580             { 0, LockMask, numlockmask, numlockmask|LockMask };
5581
5582         updatenumlockmask();
5583         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5584                 XCB_BUTTON_MASK_ANY);
5585         if (focused) {
5586                 for (i = 0; i < LENGTH(buttons); i++)
5587                         if (buttons[i].action == client_click)
5588                                 for (j = 0; j < LENGTH(modifiers); j++)
5589                                         xcb_grab_button(conn, False, win->id,
5590                                                 BUTTONMASK,
5591                                                 XCB_GRAB_MODE_ASYNC,
5592                                                 XCB_GRAB_MODE_SYNC,
5593                                                 XCB_WINDOW_NONE,
5594                                                 XCB_CURSOR_NONE,
5595                                                 buttons[i].button,
5596                                                 buttons[i].mask);
5597         } else
5598                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5599                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5600                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5601                         XCB_BUTTON_MASK_ANY);
5602 }
5603
5604 const char *quirkname[] = {
5605         "NONE",         /* config string for "no value" */
5606         "FLOAT",
5607         "TRANSSZ",
5608         "ANYWHERE",
5609         "XTERM_FONTADJ",
5610         "FULLSCREEN",
5611         "FOCUSPREV",
5612 };
5613
5614 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5615 #define SWM_Q_WS                "\n|+ \t"
5616 int
5617 parsequirks(char *qstr, unsigned long *quirk)
5618 {
5619         char                    *cp, *name;
5620         int                     i;
5621
5622         if (quirk == NULL)
5623                 return (1);
5624
5625         cp = qstr;
5626         *quirk = 0;
5627         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5628                 if (cp)
5629                         cp += (long)strspn(cp, SWM_Q_WS);
5630                 for (i = 0; i < LENGTH(quirkname); i++) {
5631                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5632                                 DNPRINTF(SWM_D_QUIRK,
5633                                     "parsequirks: %s\n", name);
5634                                 if (i == 0) {
5635                                         *quirk = 0;
5636                                         return (0);
5637                                 }
5638                                 *quirk |= 1 << (i-1);
5639                                 break;
5640                         }
5641                 }
5642                 if (i >= LENGTH(quirkname)) {
5643                         DNPRINTF(SWM_D_QUIRK,
5644                             "parsequirks: invalid quirk [%s]\n", name);
5645                         return (1);
5646                 }
5647         }
5648         return (0);
5649 }
5650
5651 void
5652 quirk_insert(const char *class, const char *name, unsigned long quirk)
5653 {
5654         struct quirk            *qp;
5655
5656         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5657             quirk);
5658
5659         if ((qp = malloc(sizeof *qp)) == NULL)
5660                 err(1, "quirk_insert: malloc");
5661         if ((qp->class = strdup(class)) == NULL)
5662                 err(1, "quirk_insert: strdup");
5663         if ((qp->name = strdup(name)) == NULL)
5664                 err(1, "quirk_insert: strdup");
5665
5666         qp->quirk = quirk;
5667         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5668
5669         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5670 }
5671
5672 void
5673 quirk_remove(struct quirk *qp)
5674 {
5675         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5676             qp->name, qp->quirk);
5677
5678         TAILQ_REMOVE(&quirks, qp, entry);
5679         free(qp->class);
5680         free(qp->name);
5681         free(qp);
5682
5683         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5684 }
5685
5686 void
5687 quirk_replace(struct quirk *qp, const char *class, const char *name,
5688     unsigned long quirk)
5689 {
5690         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5691             qp->name, qp->quirk);
5692
5693         quirk_remove(qp);
5694         quirk_insert(class, name, quirk);
5695
5696         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5697 }
5698
5699 void
5700 setquirk(const char *class, const char *name, unsigned long quirk)
5701 {
5702         struct quirk            *qp;
5703
5704         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5705            quirk);
5706
5707         TAILQ_FOREACH(qp, &quirks, entry) {
5708                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5709                         if (!quirk)
5710                                 quirk_remove(qp);
5711                         else
5712                                 quirk_replace(qp, class, name, quirk);
5713                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5714                         return;
5715                 }
5716         }
5717         if (!quirk) {
5718                 warnx("error: setquirk: cannot find class/name combination");
5719                 return;
5720         }
5721
5722         quirk_insert(class, name, quirk);
5723         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5724 }
5725
5726 int
5727 setconfquirk(char *selector, char *value, int flags)
5728 {
5729         char                    *cp, *class, *name;
5730         int                     retval;
5731         unsigned long           quirks;
5732         if (selector == NULL)
5733                 return (0);
5734         if ((cp = strchr(selector, ':')) == NULL)
5735                 return (0);
5736         *cp = '\0';
5737         class = selector;
5738         name = cp + 1;
5739         if ((retval = parsequirks(value, &quirks)) == 0)
5740                 setquirk(class, name, quirks);
5741         return (retval);
5742 }
5743
5744 void
5745 setup_quirks(void)
5746 {
5747         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5748         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5749         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5750         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5751         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5752         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5753         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5754         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5755         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5756         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5757         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5758         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5759         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5760 }
5761
5762 /* conf file stuff */
5763 #define SWM_CONF_FILE           "spectrwm.conf"
5764 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5765
5766 enum {
5767         SWM_S_BAR_ACTION,
5768         SWM_S_BAR_AT_BOTTOM,
5769         SWM_S_BAR_BORDER_WIDTH,
5770         SWM_S_BAR_DELAY,
5771         SWM_S_BAR_ENABLED,
5772         SWM_S_BAR_FONT,
5773         SWM_S_BAR_FORMAT,
5774         SWM_S_BAR_JUSTIFY,
5775         SWM_S_BORDER_WIDTH,
5776         SWM_S_CLOCK_ENABLED,
5777         SWM_S_CLOCK_FORMAT,
5778         SWM_S_CYCLE_EMPTY,
5779         SWM_S_CYCLE_VISIBLE,
5780         SWM_S_DIALOG_RATIO,
5781         SWM_S_DISABLE_BORDER,
5782         SWM_S_FOCUS_CLOSE,
5783         SWM_S_FOCUS_CLOSE_WRAP,
5784         SWM_S_FOCUS_DEFAULT,
5785         SWM_S_FOCUS_MODE,
5786         SWM_S_SPAWN_ORDER,
5787         SWM_S_SPAWN_TERM,
5788         SWM_S_SS_APP,
5789         SWM_S_SS_ENABLED,
5790         SWM_S_STACK_ENABLED,
5791         SWM_S_TERM_WIDTH,
5792         SWM_S_TITLE_CLASS_ENABLED,
5793         SWM_S_TITLE_NAME_ENABLED,
5794         SWM_S_URGENT_ENABLED,
5795         SWM_S_VERBOSE_LAYOUT,
5796         SWM_S_WINDOW_NAME_ENABLED,
5797         SWM_S_WORKSPACE_LIMIT
5798 };
5799
5800 int
5801 setconfvalue(char *selector, char *value, int flags)
5802 {
5803         int     i;
5804         char    *b;
5805
5806         switch (flags) {
5807         case SWM_S_BAR_ACTION:
5808                 free(bar_argv[0]);
5809                 if ((bar_argv[0] = strdup(value)) == NULL)
5810                         err(1, "setconfvalue: bar_action");
5811                 break;
5812         case SWM_S_BAR_AT_BOTTOM:
5813                 bar_at_bottom = atoi(value);
5814                 break;
5815         case SWM_S_BAR_BORDER_WIDTH:
5816                 bar_border_width = atoi(value);
5817                 if (bar_border_width < 0)
5818                         bar_border_width = 0;
5819                 break;
5820         case SWM_S_BAR_DELAY:
5821                 bar_delay = atoi(value);
5822                 break;
5823         case SWM_S_BAR_ENABLED:
5824                 bar_enabled = atoi(value);
5825                 break;
5826         case SWM_S_BAR_FONT:
5827                 b = bar_fonts;
5828                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5829                         err(1, "setconfvalue: asprintf: failed to allocate "
5830                                 "memory for bar_fonts.");
5831
5832                 free(b);
5833                 break;
5834         case SWM_S_BAR_FORMAT:
5835                 free(bar_format);
5836                 if ((bar_format = strdup(value)) == NULL)
5837                         err(1, "setconfvalue: bar_format");
5838                 break;
5839         case SWM_S_BAR_JUSTIFY:
5840                 if (!strcmp(value, "left"))
5841                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5842                 else if (!strcmp(value, "center"))
5843                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5844                 else if (!strcmp(value, "right"))
5845                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5846                 else
5847                         errx(1, "invalid bar_justify");
5848                 break;
5849         case SWM_S_BORDER_WIDTH:
5850                 border_width = atoi(value);
5851                 if (border_width < 0)
5852                         border_width = 0;
5853                 break;
5854         case SWM_S_CLOCK_ENABLED:
5855                 clock_enabled = atoi(value);
5856                 break;
5857         case SWM_S_CLOCK_FORMAT:
5858 #ifndef SWM_DENY_CLOCK_FORMAT
5859                 free(clock_format);
5860                 if ((clock_format = strdup(value)) == NULL)
5861                         err(1, "setconfvalue: clock_format");
5862 #endif
5863                 break;
5864         case SWM_S_CYCLE_EMPTY:
5865                 cycle_empty = atoi(value);
5866                 break;
5867         case SWM_S_CYCLE_VISIBLE:
5868                 cycle_visible = atoi(value);
5869                 break;
5870         case SWM_S_DIALOG_RATIO:
5871                 dialog_ratio = atof(value);
5872                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5873                         dialog_ratio = .6;
5874                 break;
5875         case SWM_S_DISABLE_BORDER:
5876                 disable_border = atoi(value);
5877                 break;
5878         case SWM_S_FOCUS_CLOSE:
5879                 if (!strcmp(value, "first"))
5880                         focus_close = SWM_STACK_BOTTOM;
5881                 else if (!strcmp(value, "last"))
5882                         focus_close = SWM_STACK_TOP;
5883                 else if (!strcmp(value, "next"))
5884                         focus_close = SWM_STACK_ABOVE;
5885                 else if (!strcmp(value, "previous"))
5886                         focus_close = SWM_STACK_BELOW;
5887                 else
5888                         errx(1, "focus_close");
5889                 break;
5890         case SWM_S_FOCUS_CLOSE_WRAP:
5891                 focus_close_wrap = atoi(value);
5892                 break;
5893         case SWM_S_FOCUS_DEFAULT:
5894                 if (!strcmp(value, "last"))
5895                         focus_default = SWM_STACK_TOP;
5896                 else if (!strcmp(value, "first"))
5897                         focus_default = SWM_STACK_BOTTOM;
5898                 else
5899                         errx(1, "focus_default");
5900                 break;
5901         case SWM_S_FOCUS_MODE:
5902                 if (!strcmp(value, "default"))
5903                         focus_mode = SWM_FOCUS_DEFAULT;
5904                 else if (!strcmp(value, "follow_cursor"))
5905                         focus_mode = SWM_FOCUS_FOLLOW;
5906                 else if (!strcmp(value, "synergy"))
5907                         focus_mode = SWM_FOCUS_SYNERGY;
5908                 else
5909                         errx(1, "focus_mode");
5910                 break;
5911         case SWM_S_SPAWN_ORDER:
5912                 if (!strcmp(value, "first"))
5913                         spawn_position = SWM_STACK_BOTTOM;
5914                 else if (!strcmp(value, "last"))
5915                         spawn_position = SWM_STACK_TOP;
5916                 else if (!strcmp(value, "next"))
5917                         spawn_position = SWM_STACK_ABOVE;
5918                 else if (!strcmp(value, "previous"))
5919                         spawn_position = SWM_STACK_BELOW;
5920                 else
5921                         errx(1, "spawn_position");
5922                 break;
5923         case SWM_S_SPAWN_TERM:
5924                 setconfspawn("term", value, 0);
5925                 setconfspawn("spawn_term", value, 0);
5926                 break;
5927         case SWM_S_SS_APP:
5928                 break;
5929         case SWM_S_SS_ENABLED:
5930                 ss_enabled = atoi(value);
5931                 break;
5932         case SWM_S_STACK_ENABLED:
5933                 stack_enabled = atoi(value);
5934                 break;
5935         case SWM_S_TERM_WIDTH:
5936                 term_width = atoi(value);
5937                 if (term_width < 0)
5938                         term_width = 0;
5939                 break;
5940         case SWM_S_TITLE_CLASS_ENABLED:
5941                 title_class_enabled = atoi(value);
5942                 break;
5943         case SWM_S_TITLE_NAME_ENABLED:
5944                 title_name_enabled = atoi(value);
5945                 break;
5946         case SWM_S_URGENT_ENABLED:
5947                 urgent_enabled = atoi(value);
5948                 break;
5949         case SWM_S_VERBOSE_LAYOUT:
5950                 verbose_layout = atoi(value);
5951                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5952                         if (verbose_layout)
5953                                 layouts[i].l_string = fancy_stacker;
5954                         else
5955                                 layouts[i].l_string = plain_stacker;
5956                 }
5957                 break;
5958         case SWM_S_WINDOW_NAME_ENABLED:
5959                 window_name_enabled = atoi(value);
5960                 break;
5961         case SWM_S_WORKSPACE_LIMIT:
5962                 workspace_limit = atoi(value);
5963                 if (workspace_limit > SWM_WS_MAX)
5964                         workspace_limit = SWM_WS_MAX;
5965                 else if (workspace_limit < 1)
5966                         workspace_limit = 1;
5967                 break;
5968         default:
5969                 return (1);
5970         }
5971         return (0);
5972 }
5973
5974 int
5975 setconfmodkey(char *selector, char *value, int flags)
5976 {
5977         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5978                 update_modkey(Mod1Mask);
5979         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5980                 update_modkey(Mod2Mask);
5981         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5982                 update_modkey(Mod3Mask);
5983         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5984                 update_modkey(Mod4Mask);
5985         else
5986                 return (1);
5987         return (0);
5988 }
5989
5990 int
5991 setconfcolor(char *selector, char *value, int flags)
5992 {
5993         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5994         return (0);
5995 }
5996
5997 int
5998 setconfregion(char *selector, char *value, int flags)
5999 {
6000         custom_region(value);
6001         return (0);
6002 }
6003
6004 int
6005 setautorun(char *selector, char *value, int flags)
6006 {
6007         int                     ws_id;
6008         char                    s[1024];
6009         char                    *ap, *sp = s;
6010         union arg               a;
6011         int                     argc = 0;
6012         long                    pid;
6013         struct pid_e            *p;
6014
6015         if (getenv("SWM_STARTED"))
6016                 return (0);
6017
6018         bzero(s, sizeof s);
6019         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6020                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6021         ws_id--;
6022         if (ws_id < 0 || ws_id >= workspace_limit)
6023                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6024
6025         /*
6026          * This is a little intricate
6027          *
6028          * If the pid already exists we simply reuse it because it means it was
6029          * used before AND not claimed by manage_window.  We get away with
6030          * altering it in the parent after INSERT because this can not be a race
6031          */
6032         a.argv = NULL;
6033         while ((ap = strsep(&sp, " \t")) != NULL) {
6034                 if (*ap == '\0')
6035                         continue;
6036                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6037                 argc++;
6038                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6039                         err(1, "setautorun: realloc");
6040                 a.argv[argc - 1] = ap;
6041         }
6042
6043         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6044                 err(1, "setautorun: realloc");
6045         a.argv[argc] = NULL;
6046
6047         if ((pid = fork()) == 0) {
6048                 spawn(ws_id, &a, 1);
6049                 /* NOTREACHED */
6050                 _exit(1);
6051         }
6052         free(a.argv);
6053
6054         /* parent */
6055         p = find_pid(pid);
6056         if (p == NULL) {
6057                 p = calloc(1, sizeof *p);
6058                 if (p == NULL)
6059                         return (1);
6060                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6061         }
6062
6063         p->pid = pid;
6064         p->ws = ws_id;
6065
6066         return (0);
6067 }
6068
6069 int
6070 setlayout(char *selector, char *value, int flags)
6071 {
6072         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6073         int                     st = SWM_V_STACK, num_screens;
6074         char                    s[1024];
6075         struct workspace        *ws;
6076
6077         if (getenv("SWM_STARTED"))
6078                 return (0);
6079
6080         bzero(s, sizeof s);
6081         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6082             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6083                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6084                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6085                     "<type>'");
6086         ws_id--;
6087         if (ws_id < 0 || ws_id >= workspace_limit)
6088                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6089
6090         if (!strcasecmp(s, "vertical"))
6091                 st = SWM_V_STACK;
6092         else if (!strcasecmp(s, "vertical_flip")) {
6093                 st = SWM_V_STACK;
6094                 f = 1;
6095         } else if (!strcasecmp(s, "horizontal"))
6096                 st = SWM_H_STACK;
6097         else if (!strcasecmp(s, "horizontal_flip")) {
6098                 st = SWM_H_STACK;
6099                 f = 1;
6100         } else if (!strcasecmp(s, "fullscreen"))
6101                 st = SWM_MAX_STACK;
6102         else
6103                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6104                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6105                     "<type>'");
6106
6107         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6108         for (i = 0; i < num_screens; i++) {
6109                 ws = (struct workspace *)&screens[i].ws;
6110                 ws[ws_id].cur_layout = &layouts[st];
6111
6112                 ws[ws_id].always_raise = raise;
6113                 if (st == SWM_MAX_STACK)
6114                         continue;
6115
6116                 /* master grow */
6117                 for (x = 0; x < abs(mg); x++) {
6118                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6119                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6120                             SWM_ARG_ID_MASTERSHRINK);
6121                         stack();
6122                 }
6123                 /* master add */
6124                 for (x = 0; x < abs(ma); x++) {
6125                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6126                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6127                             SWM_ARG_ID_MASTERDEL);
6128                         stack();
6129                 }
6130                 /* stack inc */
6131                 for (x = 0; x < abs(si); x++) {
6132                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6133                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6134                             SWM_ARG_ID_STACKDEC);
6135                         stack();
6136                 }
6137                 /* Apply flip */
6138                 if (f) {
6139                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6140                             SWM_ARG_ID_FLIPLAYOUT);
6141                         stack();
6142                 }
6143         }
6144
6145         return (0);
6146 }
6147
6148 /* config options */
6149 struct config_option {
6150         char                    *optname;
6151         int                     (*func)(char*, char*, int);
6152         int                     funcflags;
6153 };
6154 struct config_option configopt[] = {
6155         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6156         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6157         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6158         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6159         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6160         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6161         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6162         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6163         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6164         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6165         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6166         { "keyboard_mapping",           setkeymapping,  0 },
6167         { "bind",                       setconfbinding, 0 },
6168         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6169         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6170         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6171         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6172         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6173         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6174         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6175         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6176         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6177         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6178         { "modkey",                     setconfmodkey,  0 },
6179         { "program",                    setconfspawn,   0 },
6180         { "quirk",                      setconfquirk,   0 },
6181         { "region",                     setconfregion,  0 },
6182         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6183         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6184         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6185         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6186         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6187         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6188         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6189         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6190         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6191         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6192         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6193         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6194         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6195         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6196         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6197         { "autorun",                    setautorun,     0 },
6198         { "layout",                     setlayout,      0 },
6199 };
6200
6201
6202 int
6203 conf_load(char *filename, int keymapping)
6204 {
6205         FILE                    *config;
6206         char                    *line, *cp, *optsub, *optval;
6207         size_t                  linelen, lineno = 0;
6208         int                     wordlen, i, optind;
6209         struct config_option    *opt;
6210
6211         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6212
6213         if (filename == NULL) {
6214                 warnx("conf_load: no filename");
6215                 return (1);
6216         }
6217         if ((config = fopen(filename, "r")) == NULL) {
6218                 warn("conf_load: fopen: %s", filename);
6219                 return (1);
6220         }
6221
6222         while (!feof(config)) {
6223                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6224                     == NULL) {
6225                         if (ferror(config))
6226                                 err(1, "%s", filename);
6227                         else
6228                                 continue;
6229                 }
6230                 cp = line;
6231                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6232                 if (cp[0] == '\0') {
6233                         /* empty line */
6234                         free(line);
6235                         continue;
6236                 }
6237                 /* get config option */
6238                 wordlen = strcspn(cp, "=[ \t\n");
6239                 if (wordlen == 0) {
6240                         warnx("%s: line %zd: no option found",
6241                             filename, lineno);
6242                         goto out;
6243                 }
6244                 optind = -1;
6245                 for (i = 0; i < LENGTH(configopt); i++) {
6246                         opt = &configopt[i];
6247                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6248                             strlen(opt->optname) == wordlen) {
6249                                 optind = i;
6250                                 break;
6251                         }
6252                 }
6253                 if (optind == -1) {
6254                         warnx("%s: line %zd: unknown option %.*s",
6255                             filename, lineno, wordlen, cp);
6256                         goto out;
6257                 }
6258                 if (keymapping && strcmp(opt->optname, "bind")) {
6259                         warnx("%s: line %zd: invalid option %.*s",
6260                             filename, lineno, wordlen, cp);
6261                         goto out;
6262                 }
6263                 cp += wordlen;
6264                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6265                 /* get [selector] if any */
6266                 optsub = NULL;
6267                 if (*cp == '[') {
6268                         cp++;
6269                         wordlen = strcspn(cp, "]");
6270                         if (*cp != ']') {
6271                                 if (wordlen == 0) {
6272                                         warnx("%s: line %zd: syntax error",
6273                                             filename, lineno);
6274                                         goto out;
6275                                 }
6276
6277                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6278                                     -1) {
6279                                         warnx("%s: line %zd: unable to allocate"
6280                                             "memory for selector", filename,
6281                                             lineno);
6282                                         goto out;
6283                                 }
6284                         }
6285                         cp += wordlen;
6286                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6287                 }
6288                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6289                 /* get RHS value */
6290                 optval = strdup(cp);
6291                 /* call function to deal with it all */
6292                 if (configopt[optind].func(optsub, optval,
6293                     configopt[optind].funcflags) != 0)
6294                         errx(1, "%s: line %zd: invalid data for %s",
6295                             filename, lineno, configopt[optind].optname);
6296                 free(optval);
6297                 free(optsub);
6298                 free(line);
6299         }
6300
6301         fclose(config);
6302         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6303
6304         return (0);
6305
6306 out:
6307         free(line);
6308         fclose(config);
6309         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6310
6311         return (1);
6312 }
6313
6314 void
6315 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6316 {
6317         struct ws_win           *parent, *w;
6318         struct swm_region       *r;
6319         struct workspace        *ws;
6320         xcb_wm_hints_t          wmh;
6321
6322         parent = find_window(win->transient);
6323         if (parent)
6324                 parent->child_trans = win;
6325         else {
6326                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6327                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6328
6329                 r = root_to_region(win->wa->root);
6330                 ws = r->ws;
6331                 /* parent doen't exist in our window list */
6332                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6333                         if (xcb_icccm_get_wm_hints_reply(conn,
6334                                         xcb_icccm_get_wm_hints(conn, w->id),
6335                                         &wmh, NULL) != 1) {
6336                                 warnx("can't get hints for 0x%x", w->id);
6337                                 continue;
6338                         }
6339
6340                         if (win->hints.window_group != wmh.window_group)
6341                                 continue;
6342
6343                         w->child_trans = win;
6344                         win->transient = w->id;
6345                         *trans = w->id;
6346                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6347                             "transient to 0x%x\n", win->transient);
6348                         break;
6349                 }
6350         }
6351 }
6352
6353 long
6354 window_get_pid(xcb_window_t win)
6355 {
6356         long                            ret = 0;
6357         const char                      *errstr;
6358         xcb_atom_t                      apid;
6359         xcb_get_property_cookie_t       pc;
6360         xcb_get_property_reply_t        *pr;
6361
6362         apid = get_atom_from_string("_NET_WM_PID");
6363         if (apid == XCB_ATOM_NONE)
6364                 goto tryharder;
6365
6366         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6367         pr = xcb_get_property_reply(conn, pc, NULL);
6368         if (!pr)
6369                 goto tryharder;
6370         if (pr->type != XCB_ATOM_CARDINAL)
6371                 goto tryharder;
6372
6373         ret = *(long *)xcb_get_property_value(pr);
6374         free(pr);
6375
6376         return (ret);
6377
6378 tryharder:
6379         apid = get_atom_from_string("_SWM_PID");
6380         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6381                 0, SWM_PROPLEN);
6382         pr = xcb_get_property_reply(conn, pc, NULL);
6383         if (!pr)
6384                 return (0);
6385         if (pr->type != XCB_ATOM_STRING)
6386                 free(pr);
6387                 return (0);
6388         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6389         free(pr);
6390
6391         return (ret);
6392 }
6393
6394 struct ws_win *
6395 manage_window(xcb_window_t id)
6396 {
6397         xcb_window_t            trans = XCB_WINDOW_NONE;
6398         struct workspace        *ws;
6399         struct ws_win           *win, *ww;
6400         int                     i, ws_idx, border_me = 0;
6401         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6402         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6403         size_t                  proplen;
6404         struct swm_region       *r;
6405         const char              *errstr;
6406         struct pid_e            *p;
6407         struct quirk            *qp;
6408         uint32_t                event_mask;
6409         xcb_atom_t              prot;
6410         xcb_get_property_reply_t        *gpr;
6411         xcb_get_wm_protocols_reply_t    wpr;
6412
6413         if ((win = find_window(id)) != NULL)
6414                 return (win);   /* already being managed */
6415
6416         /* see if we are on the unmanaged list */
6417         if ((win = find_unmanaged_window(id)) != NULL) {
6418                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6419                     "window: 0x%x\n", win->id);
6420                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6421                 if (win->transient)
6422                         set_child_transient(win, &trans);
6423
6424                 if (trans && (ww = find_window(trans)))
6425                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6426                 else if ((ww = win->ws->focus) &&
6427                     spawn_position == SWM_STACK_ABOVE)
6428                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6429                             win, entry);
6430                 else if (ww && spawn_position == SWM_STACK_BELOW)
6431                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6432                 else switch (spawn_position) {
6433                 default:
6434                 case SWM_STACK_TOP:
6435                 case SWM_STACK_ABOVE:
6436                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6437                         break;
6438                 case SWM_STACK_BOTTOM:
6439                 case SWM_STACK_BELOW:
6440                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6441                 }
6442
6443                 ewmh_update_actions(win);
6444                 return (win);
6445         }
6446
6447         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6448                 err(1, "manage_window: calloc: failed to allocate memory for "
6449                     "new window");
6450
6451         win->id = id;
6452         win->bordered = 0;
6453
6454         /* see if we need to override the workspace */
6455         p = find_pid(window_get_pid(id));
6456
6457         /* Get all the window data in one shot */
6458         ws_idx_atom = get_atom_from_string("_SWM_WS");
6459         fprintf(stderr, "ws_idx_atom: %d\n", ws_idx_atom);
6460         if (ws_idx_atom) {
6461                 gpr = xcb_get_property_reply(conn,
6462                         xcb_get_property(conn, False, id, ws_idx_atom,
6463                                 XCB_ATOM_STRING, 0, SWM_PROPLEN),
6464                         NULL);
6465                 if (gpr) {
6466                         proplen = xcb_get_property_value_length(gpr);
6467                         if (proplen > 0) {
6468                                 prop = malloc(proplen + 1);
6469                                 if (prop) {
6470                                         memcpy(prop,
6471                                             xcb_get_property_value(gpr),
6472                                             proplen);
6473                                         prop[proplen] = '\0';
6474                                 }
6475                         }
6476                         free(gpr);
6477                 }
6478         }
6479         win->wa = xcb_get_geometry_reply(conn,
6480                 xcb_get_geometry(conn, id),
6481                 NULL);
6482         xcb_get_wm_normal_hints_reply(conn,
6483                 xcb_get_wm_normal_hints(conn, id),
6484                 &win->sh, NULL);
6485         xcb_icccm_get_wm_hints_reply(conn,
6486                 xcb_icccm_get_wm_hints(conn, id),
6487                 &win->hints, NULL);
6488         xcb_get_wm_transient_for_reply(conn,
6489                 xcb_get_wm_transient_for(conn, id),
6490                 &trans, NULL);
6491         if (trans) {
6492                 win->transient = trans;
6493                 set_child_transient(win, &trans);
6494                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6495                     "transient: 0x%x\n", win->id, win->transient);
6496         }
6497
6498         prot = xcb_atom_get_fast_reply(conn,
6499                 xcb_atom_get_fast(conn, False, strlen("WM_PROTOCOLS"),
6500                         "WM_PROTOCOLS"),
6501                 NULL);
6502         /* get supported protocols */
6503         if (xcb_get_wm_protocols_reply(conn,
6504                         xcb_get_wm_protocols(conn, id, prot),
6505                         &wpr, NULL)) {
6506                 for (i = 0; i < wpr.atoms_len; i++) {
6507                         if (wpr.atoms[i] == takefocus)
6508                                 win->take_focus = 1;
6509                         if (wpr.atoms[i] == adelete)
6510                                 win->can_delete = 1;
6511                 }
6512                 xcb_get_wm_protocols_reply_wipe(&wpr);
6513         }
6514
6515         win->iconic = get_iconic(win);
6516
6517         /*
6518          * Figure out where to put the window. If it was previously assigned to
6519          * a workspace (either by spawn() or manually moving), and isn't
6520          * transient, * put it in the same workspace
6521          */
6522         r = root_to_region(win->wa->root);
6523         if (p) {
6524                 ws = &r->s->ws[p->ws];
6525                 TAILQ_REMOVE(&pidlist, p, entry);
6526                 free(p);
6527                 p = NULL;
6528         } else if (prop && win->transient == 0) {
6529                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6530                 ws_idx = strtonum(prop, 0, workspace_limit - 1,
6531                     &errstr);
6532                 if (errstr) {
6533                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6534                             errstr, prop);
6535                 }
6536                 ws = &r->s->ws[ws_idx];
6537         } else {
6538                 ws = r->ws;
6539                 /* this should launch transients in the same ws as parent */
6540                 if (id && trans)
6541                         if ((ww = find_window(trans)) != NULL)
6542                                 if (ws->r) {
6543                                         ws = ww->ws;
6544                                         if (ww->ws->r)
6545                                                 r = ww->ws->r;
6546                                         else
6547                                                 warnx("manage_window: fix this "
6548                                                     "bug mcbride");
6549                                         border_me = 1;
6550                                 }
6551         }
6552
6553         /* set up the window layout */
6554         win->id = id;
6555         win->ws = ws;
6556         win->s = r->s;  /* this never changes */
6557         if (trans && (ww = find_window(trans)))
6558                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6559         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6560                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6561                     entry);
6562         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6563                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6564         else switch (spawn_position) {
6565         default:
6566         case SWM_STACK_TOP:
6567         case SWM_STACK_ABOVE:
6568                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6569                 break;
6570         case SWM_STACK_BOTTOM:
6571         case SWM_STACK_BELOW:
6572                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6573         }
6574
6575         /* ignore window border if there is one. */
6576         WIDTH(win) = win->wa->width;
6577         HEIGHT(win) = win->wa->height;
6578         X(win) = win->wa->x + win->wa->border_width;
6579         Y(win) = win->wa->y + win->wa->border_width;
6580         win->bordered = 0;
6581         win->g_floatvalid = 0;
6582         win->floatmaxed = 0;
6583         win->ewmh_flags = 0;
6584
6585         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6586             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6587             HEIGHT(win), ws->idx);
6588
6589         constrain_window(win, r, 0);
6590
6591         /* Set window properties so we can remember this after reincarnation */
6592         if (ws_idx_atom && prop == NULL &&
6593             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6594                 SWM_PROPLEN) {
6595                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6596                     ws_idx_str);
6597                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6598                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6599                         ws_idx_str);
6600         }
6601         if (prop)
6602                 free(prop);
6603
6604         ewmh_autoquirk(win);
6605
6606         if (xcb_get_wm_class_reply(conn,
6607                         xcb_get_wm_class(conn, win->id),
6608                         &win->ch, NULL)) {
6609                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6610                     win->ch.class_name, win->ch.instance_name);
6611
6612                 /* java is retarded so treat it special */
6613                 if (strstr(win->ch.instance_name, "sun-awt")) {
6614                         win->java = 1;
6615                         border_me = 1;
6616                 }
6617
6618                 TAILQ_FOREACH(qp, &quirks, entry) {
6619                         if (!strcmp(win->ch.class_name, qp->class) &&
6620                             !strcmp(win->ch.instance_name, qp->name)) {
6621                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6622                                     "class: %s, name: %s\n", win->ch.class_name,
6623                                     win->ch.instance_name);
6624                                 if (qp->quirk & SWM_Q_FLOAT) {
6625                                         win->floating = 1;
6626                                         border_me = 1;
6627                                 }
6628                                 win->quirks = qp->quirk;
6629                         }
6630                 }
6631         }
6632
6633         /* alter window position if quirky */
6634         if (win->quirks & SWM_Q_ANYWHERE) {
6635                 win->manual = 1; /* don't center the quirky windows */
6636                 if (bar_enabled && Y(win) < bar_height)
6637                         Y(win) = bar_height;
6638                 if (WIDTH(win) + X(win) > WIDTH(r))
6639                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6640                 border_me = 1;
6641         }
6642
6643         /* Reset font sizes (the bruteforce way; no default keybinding). */
6644         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6645                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6646                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6647                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6648                         fake_keypress(win, XK_KP_Add, ShiftMask);
6649         }
6650
6651         ewmh_get_win_state(win);
6652         ewmh_update_actions(win);
6653         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6654
6655         /* border me */
6656         if (border_me) {
6657                 win->bordered = 1;
6658                 X(win) -= border_width;
6659                 Y(win) -= border_width;
6660                 update_window(win);
6661         }
6662
6663         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6664                         XCB_EVENT_MASK_PROPERTY_CHANGE |
6665                         XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6666
6667         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6668
6669         /* floaters need to be mapped if they are in the current workspace */
6670         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6671                 map_window_raised(win->id);
6672
6673         return (win);
6674 }
6675
6676 void
6677 free_window(struct ws_win *win)
6678 {
6679         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6680
6681         if (win == NULL)
6682                 return;
6683
6684         /* needed for restart wm */
6685         set_win_state(win, XCB_ICCCM_WM_STATE_WITHDRAWN);
6686
6687         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6688
6689         if (win->wa)
6690                 free(win->wa);
6691
6692         xcb_get_wm_class_reply_wipe(&win->ch);
6693
6694         kill_refs(win);
6695
6696         /* paint memory */
6697         memset(win, 0xff, sizeof *win); /* XXX kill later */
6698
6699         free(win);
6700 }
6701
6702 void
6703 unmanage_window(struct ws_win *win)
6704 {
6705         struct ws_win           *parent;
6706         xcb_screen_t            *screen;
6707
6708         if (win == NULL)
6709                 return;
6710
6711         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6712
6713         if (win->transient) {
6714                 parent = find_window(win->transient);
6715                 if (parent)
6716                         parent->child_trans = NULL;
6717         }
6718
6719         /* focus on root just in case */
6720         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6721         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6722                 screen->root, XCB_CURRENT_TIME);
6723
6724         focus_prev(win);
6725
6726         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6727         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6728 }
6729
6730 void
6731 focus_magic(struct ws_win *win)
6732 {
6733         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6734
6735         if (win == NULL) {
6736                 /* if there are no windows clear the status-bar */
6737                 bar_update();
6738                 return;
6739         }
6740
6741         if (win->child_trans) {
6742                 /* win = parent & has a transient so focus on that */
6743                 if (win->java) {
6744                         focus_win(win->child_trans);
6745                         if (win->child_trans->take_focus)
6746                                 client_msg(win, takefocus);
6747                 } else {
6748                         /* make sure transient hasn't disappeared */
6749                         if (validate_win(win->child_trans) == 0) {
6750                                 focus_win(win->child_trans);
6751                                 if (win->child_trans->take_focus)
6752                                         client_msg(win->child_trans, takefocus);
6753                         } else {
6754                                 win->child_trans = NULL;
6755                                 focus_win(win);
6756                                 if (win->take_focus)
6757                                         client_msg(win, takefocus);
6758                         }
6759                 }
6760         } else {
6761                 /* regular focus */
6762                 focus_win(win);
6763                 if (win->take_focus)
6764                         client_msg(win, takefocus);
6765         }
6766 }
6767
6768 void
6769 expose(XEvent *e)
6770 {
6771         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6772 }
6773
6774 void
6775 keypress(XEvent *e)
6776 {
6777         KeySym                  keysym;
6778         XKeyEvent               *ev = &e->xkey;
6779         struct key              *kp;
6780         struct swm_region       *r;
6781
6782         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6783         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6784                 return;
6785         if (keyfuncs[kp->funcid].func == NULL)
6786                 return;
6787
6788         r = root_to_region(ev->root);
6789         if (kp->funcid == kf_spawn_custom)
6790                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6791         else
6792                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6793 }
6794
6795 void
6796 buttonpress(XEvent *e)
6797 {
6798         struct ws_win           *win;
6799         int                     i, action;
6800         XButtonPressedEvent     *ev = &e->xbutton;
6801
6802         if ((win = find_window(ev->window)) == NULL)
6803                 return;
6804
6805         focus_magic(win);
6806         action = client_click;
6807
6808         for (i = 0; i < LENGTH(buttons); i++)
6809                 if (action == buttons[i].action && buttons[i].func &&
6810                     buttons[i].button == ev->button &&
6811                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6812                         buttons[i].func(win, &buttons[i].args);
6813 }
6814
6815 void
6816 configurerequest(XEvent *e)
6817 {
6818         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6819         struct ws_win           *win;
6820         int                     new = 0;
6821         XWindowChanges          wc;
6822
6823         if ((win = find_window(ev->window)) == NULL)
6824                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6825                         new = 1;
6826
6827         if (new) {
6828                 bzero(&wc, sizeof wc);
6829                 wc.x = ev->x;
6830                 wc.y = ev->y;
6831                 wc.width = ev->width;
6832                 wc.height = ev->height;
6833                 wc.border_width = ev->border_width;
6834                 wc.sibling = ev->above;
6835                 wc.stack_mode = ev->detail;
6836
6837                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6838                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6839                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6840
6841                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6842         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6843             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6844                 win->g_float.x = ev->x - X(win->ws->r);
6845                 win->g_float.y = ev->y - Y(win->ws->r);
6846                 win->g_float.w = ev->width;
6847                 win->g_float.h = ev->height;
6848                 win->g_floatvalid = 1;
6849
6850                 if (win->floating) {
6851                         win->g = win->g_float;
6852                         win->g.x += X(win->ws->r);
6853                         win->g.y += Y(win->ws->r);
6854                         update_window(win);
6855                 } else {
6856                         config_win(win, ev);
6857                 }
6858         } else {
6859                 config_win(win, ev);
6860         }
6861 }
6862
6863 void
6864 configurenotify(XEvent *e)
6865 {
6866         struct ws_win           *win;
6867
6868         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6869             e->xconfigure.window);
6870
6871         win = find_window(e->xconfigure.window);
6872         if (win) {
6873                 xcb_get_wm_normal_hints_reply(conn,
6874                         xcb_get_wm_normal_hints(conn, win->id),
6875                         &win->sh, NULL);
6876                 adjust_font(win);
6877                 if (font_adjusted)
6878                         stack();
6879                 if (focus_mode == SWM_FOCUS_DEFAULT)
6880                         drain_enter_notify();
6881         }
6882 }
6883
6884 void
6885 destroynotify(XEvent *e)
6886 {
6887         struct ws_win           *win;
6888         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6889
6890         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6891
6892         if ((win = find_window(ev->window)) == NULL) {
6893                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6894                         return;
6895                 free_window(win);
6896                 return;
6897         }
6898
6899         /* make sure we focus on something */
6900         win->floating = 0;
6901
6902         unmanage_window(win);
6903         stack();
6904         if (focus_mode == SWM_FOCUS_DEFAULT)
6905                 drain_enter_notify();
6906         free_window(win);
6907 }
6908
6909 void
6910 enternotify(XEvent *e)
6911 {
6912         XCrossingEvent          *ev = &e->xcrossing;
6913         XEvent                  cne;
6914         struct ws_win           *win;
6915 #if 0
6916         struct ws_win           *w;
6917         Window                  focus_return;
6918         int                     revert_to_return;
6919 #endif
6920         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6921             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6922             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6923             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6924
6925         if (ev->mode != NotifyNormal) {
6926                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6927                     "cursor grab.\n");
6928                 return;
6929         }
6930
6931         switch (focus_mode) {
6932         case SWM_FOCUS_DEFAULT:
6933                 break;
6934         case SWM_FOCUS_FOLLOW:
6935                 break;
6936         case SWM_FOCUS_SYNERGY:
6937 #if 0
6938         /*
6939          * all these checks need to be in this order because the
6940          * XCheckTypedWindowEvent relies on weeding out the previous events
6941          *
6942          * making this code an option would enable a follow mouse for focus
6943          * feature
6944          */
6945
6946         /*
6947          * state is set when we are switching workspaces and focus is set when
6948          * the window or a subwindow already has focus (occurs during restart).
6949          *
6950          * Only honor the focus flag if last_focus_event is not FocusOut,
6951          * this allows spectrwm to continue to control focus when another
6952          * program is also playing with it.
6953          */
6954         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6955                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6956                 return;
6957         }
6958
6959         /*
6960          * happens when a window is created or destroyed and the border
6961          * crosses the mouse pointer and when switching ws
6962          *
6963          * we need the subwindow test to see if we came from root in order
6964          * to give focus to floaters
6965          */
6966         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6967             ev->subwindow == 0) {
6968                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6969                 return;
6970         }
6971
6972         /* this window already has focus */
6973         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6974                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6975                 return;
6976         }
6977
6978         /* this window is being deleted or moved to another ws */
6979         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6980             &cne) == True) {
6981                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6982                 XPutBackEvent(display, &cne);
6983                 return;
6984         }
6985
6986         if ((win = find_window(ev->window)) == NULL) {
6987                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6988                 return;
6989         }
6990
6991         /*
6992          * In fullstack kill all enters unless they come from a different ws
6993          * (i.e. another region) or focus has been grabbed externally.
6994          */
6995         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6996             last_focus_event != FocusOut) {
6997                 XGetInputFocus(display, &focus_return, &revert_to_return);
6998                 if ((w = find_window(focus_return)) == NULL ||
6999                     w->ws == win->ws) {
7000                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
7001                         return;
7002                 }
7003         }
7004 #endif
7005                 break;
7006         }
7007
7008         if ((win = find_window(ev->window)) == NULL) {
7009                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7010                 return;
7011         }
7012
7013         /*
7014          * if we have more enternotifies let them handle it in due time
7015          */
7016         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
7017                 DNPRINTF(SWM_D_EVENT,
7018                     "ignoring enternotify: got more enternotify\n");
7019                 XPutBackEvent(display, &cne);
7020                 return;
7021         }
7022
7023         focus_magic(win);
7024 }
7025
7026 /* lets us use one switch statement for arbitrary mode/detail combinations */
7027 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7028
7029 void
7030 focusevent(XEvent *e)
7031 {
7032 #if 0
7033         struct ws_win           *win;
7034         u_int32_t               mode_detail;
7035         XFocusChangeEvent       *ev = &e->xfocus;
7036
7037         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
7038             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
7039             ev->window, ev->mode, ev->detail);
7040
7041         if (last_focus_event == ev->type) {
7042                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
7043                 return;
7044         }
7045
7046         last_focus_event = ev->type;
7047         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
7048
7049         switch (mode_detail) {
7050         /* synergy client focus operations */
7051         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
7052         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
7053
7054         /* synergy server focus operations */
7055         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
7056
7057         /* Entering applications like rdesktop that mangle the pointer */
7058         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
7059
7060                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
7061                         XSetWindowBorder(display, win->id,
7062                             win->ws->r->s->c[ev->type == FocusIn ?
7063                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
7064                 break;
7065         default:
7066                 warnx("ignoring focusevent");
7067                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
7068                 break;
7069         }
7070 #endif
7071 }
7072
7073 void
7074 mapnotify(XEvent *e)
7075 {
7076         struct ws_win           *win;
7077         XMapEvent               *ev = &e->xmap;
7078
7079         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
7080
7081         win = manage_window(ev->window);
7082         if (win)
7083                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7084
7085         /*
7086          * focus_win can only set input focus on a mapped window.
7087          * make sure the window really has focus since it is just being mapped.
7088          */
7089         if (win->ws->focus == win)
7090                 focus_win(win);
7091 }
7092
7093 void
7094 mappingnotify(XEvent *e)
7095 {
7096         XMappingEvent           *ev = &e->xmapping;
7097
7098         XRefreshKeyboardMapping(ev);
7099         if (ev->request == MappingKeyboard)
7100                 grabkeys();
7101 }
7102
7103 void
7104 maprequest(XEvent *e)
7105 {
7106         struct ws_win           *win;
7107         struct swm_region       *r;
7108         XMapRequestEvent        *ev = &e->xmaprequest;
7109         xcb_get_window_attributes_reply_t *war;
7110
7111         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
7112             e->xmaprequest.window);
7113
7114         war = xcb_get_window_attributes_reply(conn,
7115                 xcb_get_window_attributes(conn, ev->window),
7116                 NULL);
7117         if (!war)
7118                 return;
7119         if (war->override_redirect) {
7120                 free(war);
7121                 return;
7122         }
7123         free(war);
7124
7125         win = manage_window(e->xmaprequest.window);
7126         if (win == NULL) {
7127                 return; /* can't happen */
7128         }
7129
7130         stack();
7131
7132         /* make new win focused */
7133         r = root_to_region(win->wa->root);
7134         if (win->ws == r->ws)
7135                 focus_magic(win);
7136 }
7137
7138 void
7139 propertynotify(XEvent *e)
7140 {
7141         struct ws_win           *win;
7142         XPropertyEvent          *ev = &e->xproperty;
7143 #ifdef SWM_DEBUG
7144         char                            *name;
7145         size_t                          len;
7146         xcb_get_atom_name_reply_t       *r;
7147
7148         r = xcb_get_atom_name_reply(conn,
7149                 xcb_get_atom_name(conn, ev->atom),
7150                 NULL);
7151         if (r) {
7152                 len = xcb_get_atom_name_name_length(r);
7153                 if (len > 0) {
7154                         name = malloc(len + 1);
7155                         if (name) {
7156                                 memcpy(name, xcb_get_atom_name_name(r), len);
7157                                 name[len] = '\0';
7158
7159                                 DNPRINTF(SWM_D_EVENT,
7160                                         "propertynotify: window: 0x%lx, "
7161                                         "atom: %s\n",
7162                                         ev->window, name);
7163                                 free(name);
7164                         }
7165                 }
7166                 free(r);
7167         }
7168 #endif
7169
7170         win = find_window(ev->window);
7171         if (win == NULL)
7172                 return;
7173
7174         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
7175                 update_iconic(win, 0);
7176                 map_window_raised(win->id);
7177                 stack();
7178                 focus_win(win);
7179                 return;
7180         }
7181
7182         switch (ev->atom) {
7183 #if 0
7184         case XA_WM_NORMAL_HINTS:
7185                 long            mask;
7186                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
7187                 warnx("normal hints: flag 0x%x", win->sh.flags);
7188                 if (win->sh.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
7189                         WIDTH(win) = win->sh.min_width;
7190                         HEIGHT(win) = win->sh.min_height;
7191                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7192                 }
7193                 XMoveResizeWindow(display, win->id,
7194                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7195 #endif
7196         case XCB_ATOM_WM_CLASS:
7197         case XCB_ATOM_WM_NAME:
7198                 bar_update();
7199                 break;
7200         default:
7201                 break;
7202         }
7203 }
7204
7205 void
7206 unmapnotify(XEvent *e)
7207 {
7208         struct ws_win           *win;
7209
7210         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7211
7212         /* determine if we need to help unmanage this window */
7213         win = find_window(e->xunmap.window);
7214         if (win == NULL)
7215                 return;
7216
7217         if (getstate(e->xunmap.window) == XCB_ICCCM_WM_STATE_NORMAL) {
7218                 unmanage_window(win);
7219                 stack();
7220
7221                 /* giant hack for apps that don't destroy transient windows */
7222                 /* eat a bunch of events to prevent remanaging the window */
7223                 XEvent                  cne;
7224                 while (XCheckWindowEvent(display, e->xunmap.window,
7225                     EnterWindowMask, &cne))
7226                         ;
7227                 while (XCheckWindowEvent(display, e->xunmap.window,
7228                     StructureNotifyMask, &cne))
7229                         ;
7230                 while (XCheckWindowEvent(display, e->xunmap.window,
7231                     SubstructureNotifyMask, &cne))
7232                         ;
7233                 /* resend unmap because we ated it */
7234                 xcb_unmap_window(conn, e->xunmap.window);
7235         }
7236
7237         if (focus_mode == SWM_FOCUS_DEFAULT)
7238                 drain_enter_notify();
7239 }
7240
7241 void
7242 visibilitynotify(XEvent *e)
7243 {
7244         int                     i, num_screens;
7245         struct swm_region       *r;
7246
7247         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7248             e->xvisibility.window);
7249
7250         if (e->xvisibility.state == VisibilityUnobscured) {
7251                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7252                 for (i = 0; i < num_screens; i++)
7253                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7254                                 if (e->xvisibility.window == WINID(r->bar))
7255                                         bar_update();
7256         }
7257 }
7258
7259 void
7260 clientmessage(XEvent *e)
7261 {
7262         XClientMessageEvent     *ev;
7263         struct ws_win           *win;
7264
7265         ev = &e->xclient;
7266
7267         win = find_window(ev->window);
7268         if (win == NULL) {
7269                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7270                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7271                             "unmanaged window.\n");
7272                         e->xmaprequest.window = ev->window;
7273                         maprequest(e);
7274                 }
7275                 return;
7276         }
7277
7278         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7279             ev->window, ev->message_type);
7280
7281         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7282                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7283                 focus_win(win);
7284         }
7285         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7286                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7287                 if (win->can_delete)
7288                         client_msg(win, adelete);
7289                 else
7290                         xcb_kill_client(conn, win->id);
7291         }
7292         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7293                 DNPRINTF(SWM_D_EVENT,
7294                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7295                 if (win->floating) {
7296                         if (ev->data.l[0] & (1<<8)) /* x */
7297                                 X(win) = ev->data.l[1];
7298                         if (ev->data.l[0] & (1<<9)) /* y */
7299                                 Y(win) = ev->data.l[2];
7300                         if (ev->data.l[0] & (1<<10)) /* width */
7301                                 WIDTH(win) = ev->data.l[3];
7302                         if (ev->data.l[0] & (1<<11)) /* height */
7303                                 HEIGHT(win) = ev->data.l[4];
7304
7305                         update_window(win);
7306                 }
7307                 else {
7308                         /* TODO: Change stack sizes */
7309                         /* notify no change was made. */
7310                         config_win(win, NULL);
7311                 }
7312         }
7313         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7314                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7315                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7316                 if (ev->data.l[2])
7317                         ewmh_update_win_state(win, ev->data.l[2],
7318                             ev->data.l[0]);
7319
7320                 stack();
7321         }
7322 }
7323
7324 int
7325 xerror_start(Display *d, XErrorEvent *ee)
7326 {
7327         other_wm = 1;
7328         return (-1);
7329 }
7330
7331 int
7332 xerror(Display *d, XErrorEvent *ee)
7333 {
7334         /* warnx("error: %p %p", display, ee); */
7335         return (-1);
7336 }
7337
7338 int
7339 active_wm(void)
7340 {
7341         other_wm = 0;
7342         xerrorxlib = XSetErrorHandler(xerror_start);
7343
7344         /* this causes an error if some other window manager is running */
7345         XSelectInput(display, DefaultRootWindow(display),
7346             SubstructureRedirectMask);
7347         do_sync();
7348         if (other_wm)
7349                 return (1);
7350
7351         XSetErrorHandler(xerror);
7352         do_sync();
7353         return (0);
7354 }
7355
7356 void
7357 new_region(struct swm_screen *s, int x, int y, int w, int h)
7358 {
7359         struct swm_region       *r, *n;
7360         struct workspace        *ws = NULL;
7361         int                     i;
7362
7363         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7364              s->idx, w, h, x, y);
7365
7366         /* remove any conflicting regions */
7367         n = TAILQ_FIRST(&s->rl);
7368         while (n) {
7369                 r = n;
7370                 n = TAILQ_NEXT(r, entry);
7371                 if (X(r) < (x + w) &&
7372                     (X(r) + WIDTH(r)) > x &&
7373                     Y(r) < (y + h) &&
7374                     (Y(r) + HEIGHT(r)) > y) {
7375                         if (r->ws->r != NULL)
7376                                 r->ws->old_r = r->ws->r;
7377                         r->ws->r = NULL;
7378                         bar_cleanup(r);
7379                         TAILQ_REMOVE(&s->rl, r, entry);
7380                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7381                 }
7382         }
7383
7384         /* search old regions for one to reuse */
7385
7386         /* size + location match */
7387         TAILQ_FOREACH(r, &s->orl, entry)
7388                 if (X(r) == x && Y(r) == y &&
7389                     HEIGHT(r) == h && WIDTH(r) == w)
7390                         break;
7391
7392         /* size match */
7393         TAILQ_FOREACH(r, &s->orl, entry)
7394                 if (HEIGHT(r) == h && WIDTH(r) == w)
7395                         break;
7396
7397         if (r != NULL) {
7398                 TAILQ_REMOVE(&s->orl, r, entry);
7399                 /* try to use old region's workspace */
7400                 if (r->ws->r == NULL)
7401                         ws = r->ws;
7402         } else
7403                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7404                         err(1, "new_region: calloc: failed to allocate memory "
7405                             "for screen");
7406
7407         /* if we don't have a workspace already, find one */
7408         if (ws == NULL) {
7409                 for (i = 0; i < workspace_limit; i++)
7410                         if (s->ws[i].r == NULL) {
7411                                 ws = &s->ws[i];
7412                                 break;
7413                         }
7414         }
7415
7416         if (ws == NULL)
7417                 errx(1, "new_region: no free workspaces");
7418
7419         X(r) = x;
7420         Y(r) = y;
7421         WIDTH(r) = w;
7422         HEIGHT(r) = h;
7423         r->s = s;
7424         r->ws = ws;
7425         r->ws_prior = NULL;
7426         ws->r = r;
7427         outputs++;
7428         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7429 }
7430
7431 void
7432 scan_xrandr(int i)
7433 {
7434 #ifdef SWM_XRR_HAS_CRTC
7435         int                                             c;
7436         int                                             ncrtc = 0;
7437 #endif /* SWM_XRR_HAS_CRTC */
7438         struct swm_region                               *r;
7439         int                                             num_screens;
7440         xcb_randr_get_screen_resources_current_cookie_t src;
7441         xcb_randr_get_screen_resources_current_reply_t  *srr;
7442         xcb_randr_get_crtc_info_cookie_t                cic;
7443         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7444         xcb_randr_crtc_t                                *crtc;
7445         xcb_screen_t                                    *screen = get_screen(i);
7446
7447         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7448         if (i >= num_screens)
7449                 errx(1, "scan_xrandr: invalid screen");
7450
7451         /* remove any old regions */
7452         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7453                 r->ws->old_r = r->ws->r = NULL;
7454                 bar_cleanup(r);
7455                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7456                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7457         }
7458         outputs = 0;
7459
7460         /* map virtual screens onto physical screens */
7461 #ifdef SWM_XRR_HAS_CRTC
7462         if (xrandr_support) {
7463                 src = xcb_randr_get_screen_resources_current(conn,
7464                         screens[i].root);
7465                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7466                         NULL);
7467                 if (srr == NULL) {
7468                         new_region(&screens[i], 0, 0,
7469                             screen->width_in_pixels,
7470                             screen->height_in_pixels);
7471                         return;
7472                 } else
7473                         ncrtc = srr->num_crtcs;
7474                 for (c = 0; c < ncrtc; c++) {
7475                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7476                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7477                                 XCB_CURRENT_TIME);
7478                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7479                         if (cir == NULL)
7480                                 continue;
7481                         if (cir->num_outputs == 0) {
7482                                 free(cir);
7483                                 continue;
7484                         }
7485
7486                         if (cir->mode == 0)
7487                                 new_region(&screens[i], 0, 0,
7488                                     screen->width_in_pixels,
7489                                     screen->height_in_pixels);
7490                         else
7491                                 new_region(&screens[i],
7492                                     cir->x, cir->y, cir->width, cir->height);
7493                         free(cir);
7494                 }
7495                 free(srr);
7496         } else
7497 #endif /* SWM_XRR_HAS_CRTC */
7498         {
7499                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7500                     screen->height_in_pixels);
7501         }
7502 }
7503
7504 void
7505 screenchange(XEvent *e)
7506 {
7507         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7508         struct swm_region               *r;
7509         int                             i, num_screens;
7510
7511         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7512
7513         if (!XRRUpdateConfiguration(e))
7514                 return;
7515
7516         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7517         /* silly event doesn't include the screen index */
7518         for (i = 0; i < num_screens; i++)
7519                 if (screens[i].root == xe->root)
7520                         break;
7521         if (i >= num_screens)
7522                 errx(1, "screenchange: screen not found");
7523
7524         /* brute force for now, just re-enumerate the regions */
7525         scan_xrandr(i);
7526
7527         /* add bars to all regions */
7528         for (i = 0; i < num_screens; i++)
7529                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7530                         bar_setup(r);
7531         stack();
7532         if (focus_mode == SWM_FOCUS_DEFAULT)
7533                 drain_enter_notify();
7534 }
7535
7536 void
7537 grab_windows(void)
7538 {
7539         xcb_window_t            *wins   = NULL;
7540         int                     no;
7541         int                     i, j, num_screens;
7542         uint16_t                state, manage;
7543
7544         xcb_query_tree_cookie_t                 qtc;
7545         xcb_query_tree_reply_t                  *qtr;
7546         xcb_get_window_attributes_cookie_t      c;
7547         xcb_get_window_attributes_reply_t       *r;
7548         xcb_get_property_cookie_t               pc;
7549
7550         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7551         for (i = 0; i < num_screens; i++) {
7552                 qtc = xcb_query_tree(conn, screens[i].root);
7553                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7554                 if (!qtr)
7555                         continue;
7556                 wins = xcb_query_tree_children(qtr);
7557                 no = xcb_query_tree_children_length(qtr);
7558                 /* attach windows to a region */
7559                 /* normal windows */
7560                 for (j = 0; j < no; j++) {
7561                         c = xcb_get_window_attributes(conn, wins[j]);
7562                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7563                         if (!r)
7564                                 continue;
7565                         if (r->override_redirect) {
7566                                 free(r);
7567                                 continue;
7568                         }
7569
7570                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7571                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7572                                         NULL)) {
7573                                 free(r);
7574                                 continue;
7575                         }
7576
7577                         state = getstate(wins[j]);
7578                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7579                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7580                                 manage_window(wins[j]);
7581                         free(r);
7582                 }
7583                 /* transient windows */
7584                 for (j = 0; j < no; j++) {
7585                         c = xcb_get_window_attributes(conn, wins[j]);
7586                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7587                         if (!r)
7588                                 continue;
7589                         if (r->override_redirect) {
7590                                 free(r);
7591                                 continue;
7592                         }
7593                         free(r);
7594
7595                         state = getstate(wins[j]);
7596                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7597                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7598                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7599                                         NULL) && manage)
7600                                 manage_window(wins[j]);
7601                 }
7602                 free(qtr);
7603         }
7604 }
7605
7606 void
7607 setup_screens(void)
7608 {
7609         int                     i, j, k, num_screens;
7610         struct workspace        *ws;
7611         uint32_t                gcv[1], wa[1];
7612         const xcb_query_extension_reply_t *qep;
7613         xcb_cursor_t                            cursor;
7614         xcb_font_t                              cursor_font;
7615         xcb_randr_query_version_cookie_t        c;
7616         xcb_randr_query_version_reply_t         *r;
7617
7618         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7619         if ((screens = calloc(num_screens,
7620              sizeof(struct swm_screen))) == NULL)
7621                 err(1, "setup_screens: calloc: failed to allocate memory for "
7622                     "screens");
7623
7624         /* initial Xrandr setup */
7625         xrandr_support = False;
7626         c = xcb_randr_query_version(conn, True, True);
7627         r = xcb_randr_query_version_reply(conn, c, NULL);
7628         if (r) {
7629                 if (r->major_version >= 1)
7630                         xrandr_support = True;
7631                 free(r);
7632         }
7633         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7634         xrandr_eventbase = qep->first_event;
7635
7636         cursor_font = xcb_generate_id(conn);
7637         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7638
7639         cursor = xcb_generate_id(conn);
7640         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7641                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7642         wa[0] = cursor;
7643
7644         /* map physical screens */
7645         for (i = 0; i < num_screens; i++) {
7646                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7647                 screens[i].idx = i;
7648                 TAILQ_INIT(&screens[i].rl);
7649                 TAILQ_INIT(&screens[i].orl);
7650                 screens[i].root = RootWindow(display, i);
7651
7652                 /* set default colors */
7653                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7654                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7655                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7656                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7657                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7658
7659                 /* create graphics context on screen */
7660                 screens[i].bar_gc = xcb_generate_id(conn);
7661                 gcv[0] = 0;
7662                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7663                         XCB_GC_GRAPHICS_EXPOSURES, gcv);
7664
7665                 /* set default cursor */
7666                 xcb_change_window_attributes(conn, screens[i].root,
7667                         XCB_CW_CURSOR, wa);
7668
7669                 /* init all workspaces */
7670                 /* XXX these should be dynamically allocated too */
7671                 for (j = 0; j < SWM_WS_MAX; j++) {
7672                         ws = &screens[i].ws[j];
7673                         ws->idx = j;
7674                         ws->name = NULL;
7675                         ws->focus = NULL;
7676                         ws->r = NULL;
7677                         ws->old_r = NULL;
7678                         TAILQ_INIT(&ws->winlist);
7679                         TAILQ_INIT(&ws->unmanagedlist);
7680
7681                         for (k = 0; layouts[k].l_stack != NULL; k++)
7682                                 if (layouts[k].l_config != NULL)
7683                                         layouts[k].l_config(ws,
7684                                             SWM_ARG_ID_STACKINIT);
7685                         ws->cur_layout = &layouts[0];
7686                         ws->cur_layout->l_string(ws);
7687                 }
7688
7689                 scan_xrandr(i);
7690
7691                 if (xrandr_support)
7692                         xcb_randr_select_input(conn, screens[i].root,
7693                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7694         }
7695         xcb_free_cursor(conn, cursor);
7696         xcb_close_font(conn, cursor_font);
7697 }
7698
7699 void
7700 setup_globals(void)
7701 {
7702         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7703                 err(1, "setup_globals: strdup: failed to allocate memory.");
7704
7705         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7706                 err(1, "setup_globals: strdup: failed to allocate memory.");
7707 }
7708
7709 void
7710 workaround(void)
7711 {
7712         int                     i, num_screens;
7713         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7714         xcb_window_t            root, win;
7715         xcb_screen_t            *screen;
7716         uint32_t                wa[2];
7717
7718         /* work around sun jdk bugs, code from wmname */
7719         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7720         netwmname = get_atom_from_string("_NET_WM_NAME");
7721         utf8_string = get_atom_from_string("UTF8_STRING");
7722
7723         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7724         for (i = 0; i < num_screens; i++) {
7725                 root = screens[i].root;
7726                 screen = get_screen(i);
7727
7728                 win = xcb_generate_id(conn);
7729                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7730                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7731                 xcb_create_window(conn, screen->root_depth, win, 0,
7732                         0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
7733                         screen->root_visual,
7734                         XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7735
7736                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7737                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7738                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7739                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7740                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7741                         netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7742         }
7743 }
7744
7745 int
7746 main(int argc, char *argv[])
7747 {
7748         struct swm_region       *r, *rr;
7749         struct ws_win           *winfocus = NULL;
7750         struct timeval          tv;
7751         union arg               a;
7752         char                    conf[PATH_MAX], *cfile = NULL;
7753         struct stat             sb;
7754         XEvent                  e;
7755         int                     xfd, i, num_screens;
7756         fd_set                  rd;
7757         struct sigaction        sact;
7758
7759         start_argv = argv;
7760         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7761         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7762             !XSupportsLocale())
7763                 warnx("no locale support");
7764
7765         if (!X_HAVE_UTF8_STRING)
7766                 warnx("no UTF-8 support");
7767
7768         if (!(display = XOpenDisplay(0)))
7769                 errx(1, "can not open display");
7770
7771         if (!(conn = XGetXCBConnection(display)))
7772                 errx(1, "can not get XCB connection");
7773
7774         if (active_wm())
7775                 errx(1, "other wm running");
7776
7777         /* handle some signals */
7778         bzero(&sact, sizeof(sact));
7779         sigemptyset(&sact.sa_mask);
7780         sact.sa_flags = 0;
7781         sact.sa_handler = sighdlr;
7782         sigaction(SIGINT, &sact, NULL);
7783         sigaction(SIGQUIT, &sact, NULL);
7784         sigaction(SIGTERM, &sact, NULL);
7785         sigaction(SIGHUP, &sact, NULL);
7786
7787         sact.sa_handler = sighdlr;
7788         sact.sa_flags = SA_NOCLDSTOP;
7789         sigaction(SIGCHLD, &sact, NULL);
7790
7791         astate = get_atom_from_string("WM_STATE");
7792         aprot = get_atom_from_string("WM_PROTOCOLS");
7793         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7794         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7795         a_wmname = get_atom_from_string("WM_NAME");
7796         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7797         a_utf8_string = get_atom_from_string("UTF8_STRING");
7798         a_string = get_atom_from_string("STRING");
7799         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7800
7801         /* look for local and global conf file */
7802         pwd = getpwuid(getuid());
7803         if (pwd == NULL)
7804                 errx(1, "invalid user: %d", getuid());
7805
7806         setup_globals();
7807         setup_screens();
7808         setup_keys();
7809         setup_quirks();
7810         setup_spawn();
7811
7812         /* load config */
7813         for (i = 0; ; i++) {
7814                 conf[0] = '\0';
7815                 switch (i) {
7816                 case 0:
7817                         /* ~ */
7818                         snprintf(conf, sizeof conf, "%s/.%s",
7819                             pwd->pw_dir, SWM_CONF_FILE);
7820                         break;
7821                 case 1:
7822                         /* global */
7823                         snprintf(conf, sizeof conf, "/etc/%s",
7824                             SWM_CONF_FILE);
7825                         break;
7826                 case 2:
7827                         /* ~ compat */
7828                         snprintf(conf, sizeof conf, "%s/.%s",
7829                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7830                         break;
7831                 case 3:
7832                         /* global compat */
7833                         snprintf(conf, sizeof conf, "/etc/%s",
7834                             SWM_CONF_FILE_OLD);
7835                         break;
7836                 default:
7837                         goto noconfig;
7838                 }
7839
7840                 if (strlen(conf) && stat(conf, &sb) != -1)
7841                         if (S_ISREG(sb.st_mode)) {
7842                                 cfile = conf;
7843                                 break;
7844                         }
7845         }
7846 noconfig:
7847
7848         /* load conf (if any) */
7849         if (cfile)
7850                 conf_load(cfile, SWM_CONF_DEFAULT);
7851
7852         setup_ewmh();
7853         /* set some values to work around bad programs */
7854         workaround();
7855         /* grab existing windows (before we build the bars) */
7856         grab_windows();
7857
7858         if (getenv("SWM_STARTED") == NULL)
7859                 setenv("SWM_STARTED", "YES", 1);
7860
7861         /* setup all bars */
7862         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7863         for (i = 0; i < num_screens; i++)
7864                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7865                         if (winfocus == NULL)
7866                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7867                         bar_setup(r);
7868                 }
7869
7870         unfocus_all();
7871
7872         grabkeys();
7873         stack();
7874         if (focus_mode == SWM_FOCUS_DEFAULT)
7875                 drain_enter_notify();
7876
7877         xfd = xcb_get_file_descriptor(conn);
7878         while (running) {
7879                 while (XPending(display)) {
7880                         XNextEvent(display, &e);
7881                         if (running == 0)
7882                                 goto done;
7883                         if (e.type < LASTEvent) {
7884                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7885                                     "window: 0x%lx, type: %s (%d), %d remaining"
7886                                     "\n", YESNO(handler[e.type]),
7887                                     e.xany.window, geteventname(&e),
7888                                     e.type, QLength(display));
7889
7890                                 if (handler[e.type])
7891                                         handler[e.type](&e);
7892                         } else {
7893                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7894                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7895                                     xrandr_geteventname(&e), e.type);
7896
7897                                 switch (e.type - xrandr_eventbase) {
7898                                 case XCB_RANDR_SCREEN_CHANGE_NOTIFY:
7899                                         screenchange(&e);
7900                                         break;
7901                                 default:
7902                                         break;
7903                                 }
7904                         }
7905                 }
7906
7907                 /* if we are being restarted go focus on first window */
7908                 if (winfocus) {
7909                         rr = winfocus->ws->r;
7910                         if (rr == NULL) {
7911                                 /* not a visible window */
7912                                 winfocus = NULL;
7913                                 continue;
7914                         }
7915                         /* move pointer to first screen if multi screen */
7916                         if (num_screens > 1 || outputs > 1)
7917                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7918                                         rr->s[0].root, 0, 0, 0, 0, X(rr),
7919                                         Y(rr) + (bar_enabled ? bar_height : 0));
7920
7921                         a.id = SWM_ARG_ID_FOCUSCUR;
7922                         focus(rr, &a);
7923                         winfocus = NULL;
7924                         continue;
7925                 }
7926
7927                 FD_ZERO(&rd);
7928                 FD_SET(xfd, &rd);
7929                 tv.tv_sec = 1;
7930                 tv.tv_usec = 0;
7931                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7932                         if (errno != EINTR)
7933                                 DNPRINTF(SWM_D_MISC, "select failed");
7934                 if (restart_wm == 1)
7935                         restart(NULL, NULL);
7936                 if (search_resp == 1)
7937                         search_do_resp();
7938                 if (running == 0)
7939                         goto done;
7940                 if (bar_alarm) {
7941                         bar_alarm = 0;
7942                         bar_update();
7943                 }
7944         }
7945 done:
7946         teardown_ewmh();
7947         bar_extra_stop();
7948
7949         for (i = 0; i < num_screens; ++i)
7950                 if (screens[i].bar_gc != 0)
7951                         xcb_free_gc(conn, screens[i].bar_gc);
7952         XFreeFontSet(display, bar_fs);
7953         xcb_disconnect(conn);
7954         XCloseDisplay(display);
7955
7956         return (0);
7957 }