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         xcb_flush(conn);
2309
2310         execvp(start_argv[0], start_argv);
2311         warn("execvp failed");
2312         quit(NULL, NULL);
2313 }
2314
2315 struct swm_region *
2316 root_to_region(xcb_window_t root)
2317 {
2318         struct swm_region       *r = NULL;
2319         int                     i, num_screens;
2320         xcb_query_pointer_reply_t       *qpr;
2321
2322         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2323
2324         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2325         for (i = 0; i < num_screens; i++)
2326                 if (screens[i].root == root)
2327                         break;
2328
2329         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2330                 screens[i].root), NULL);
2331
2332         if (qpr) {
2333                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2334                     qpr->root_x, qpr->root_y);
2335                 /* choose a region based on pointer location */
2336                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2337                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2338                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2339                                 break;
2340                 free(qpr);
2341         }
2342
2343         if (r == NULL)
2344                 r = TAILQ_FIRST(&screens[i].rl);
2345
2346         return (r);
2347 }
2348
2349 struct ws_win *
2350 find_unmanaged_window(xcb_window_t id)
2351 {
2352         struct ws_win           *win;
2353         int                     i, j, num_screens;
2354
2355         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2356         for (i = 0; i < num_screens; i++)
2357                 for (j = 0; j < workspace_limit; j++)
2358                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2359                             entry)
2360                                 if (id == win->id)
2361                                         return (win);
2362         return (NULL);
2363 }
2364
2365 struct ws_win *
2366 find_window(xcb_window_t id)
2367 {
2368         struct ws_win           *win;
2369         int                     i, j, num_screens;
2370         xcb_query_tree_cookie_t c;
2371         xcb_query_tree_reply_t  *r;
2372
2373         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2374         for (i = 0; i < num_screens; i++)
2375                 for (j = 0; j < workspace_limit; j++)
2376                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2377                                 if (id == win->id)
2378                                         return (win);
2379
2380         c = xcb_query_tree(conn, id);
2381         r = xcb_query_tree_reply(conn, c, NULL);
2382         if (!r)
2383                 return (NULL);
2384
2385         /* if we were looking for the parent return that window instead */
2386         if (r->parent == 0 || r->root == r->parent)
2387                 return (NULL);
2388
2389         /* look for parent */
2390         for (i = 0; i < num_screens; i++)
2391                 for (j = 0; j < workspace_limit; j++)
2392                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2393                                 if (r->parent == win->id) {
2394                                         free(r);
2395                                         return (win);
2396                                 }
2397
2398         free(r);
2399         return (NULL);
2400 }
2401
2402 void
2403 spawn(int ws_idx, union arg *args, int close_fd)
2404 {
2405         int                     fd;
2406         char                    *ret = NULL;
2407
2408         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2409
2410         if (display)
2411                 close(xcb_get_file_descriptor(conn));
2412
2413         setenv("LD_PRELOAD", SWM_LIB, 1);
2414
2415         if (asprintf(&ret, "%d", ws_idx) == -1) {
2416                 warn("spawn: asprintf SWM_WS");
2417                 _exit(1);
2418         }
2419         setenv("_SWM_WS", ret, 1);
2420         free(ret);
2421         ret = NULL;
2422
2423         if (asprintf(&ret, "%d", getpid()) == -1) {
2424                 warn("spawn: asprintf _SWM_PID");
2425                 _exit(1);
2426         }
2427         setenv("_SWM_PID", ret, 1);
2428         free(ret);
2429         ret = NULL;
2430
2431         if (setsid() == -1) {
2432                 warn("spawn: setsid");
2433                 _exit(1);
2434         }
2435
2436         if (close_fd) {
2437                 /*
2438                  * close stdin and stdout to prevent interaction between apps
2439                  * and the baraction script
2440                  * leave stderr open to record errors
2441                 */
2442                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2443                         warn("spawn: open");
2444                         _exit(1);
2445                 }
2446                 dup2(fd, STDIN_FILENO);
2447                 dup2(fd, STDOUT_FILENO);
2448                 if (fd > 2)
2449                         close(fd);
2450         }
2451
2452         execvp(args->argv[0], args->argv);
2453
2454         warn("spawn: execvp");
2455         _exit(1);
2456 }
2457
2458 void
2459 kill_refs(struct ws_win *win)
2460 {
2461         int                     i, x, num_screens;
2462         struct swm_region       *r;
2463         struct workspace        *ws;
2464
2465         if (win == NULL)
2466                 return;
2467
2468         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2469         for (i = 0; i < num_screens; i++)
2470                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2471                         for (x = 0; x < workspace_limit; x++) {
2472                                 ws = &r->s->ws[x];
2473                                 if (win == ws->focus)
2474                                         ws->focus = NULL;
2475                                 if (win == ws->focus_prev)
2476                                         ws->focus_prev = NULL;
2477                         }
2478 }
2479
2480 int
2481 validate_win(struct ws_win *testwin)
2482 {
2483         struct ws_win           *win;
2484         struct workspace        *ws;
2485         struct swm_region       *r;
2486         int                     i, x, num_screens;
2487
2488         if (testwin == NULL)
2489                 return (0);
2490
2491         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2492         for (i = 0; i < num_screens; i++)
2493                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2494                         for (x = 0; x < workspace_limit; x++) {
2495                                 ws = &r->s->ws[x];
2496                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2497                                         if (win == testwin)
2498                                                 return (0);
2499                         }
2500         return (1);
2501 }
2502
2503 int
2504 validate_ws(struct workspace *testws)
2505 {
2506         struct swm_region       *r;
2507         struct workspace        *ws;
2508         int                     i, x, num_screens;
2509
2510         /* validate all ws */
2511         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2512         for (i = 0; i < num_screens; i++)
2513                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2514                         for (x = 0; x < workspace_limit; x++) {
2515                                 ws = &r->s->ws[x];
2516                                 if (ws == testws)
2517                                         return (0);
2518                         }
2519         return (1);
2520 }
2521
2522 void
2523 unfocus_win(struct ws_win *win)
2524 {
2525         XEvent                  cne;
2526         xcb_window_t            none = XCB_WINDOW_NONE;
2527
2528         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2529
2530         if (win == NULL)
2531                 return;
2532         if (win->ws == NULL)
2533                 return;
2534
2535         if (validate_ws(win->ws))
2536                 return; /* XXX this gets hit with thunderbird, needs fixing */
2537
2538         if (win->ws->r == NULL)
2539                 return;
2540
2541         if (validate_win(win)) {
2542                 kill_refs(win);
2543                 return;
2544         }
2545
2546         if (win->ws->focus == win) {
2547                 win->ws->focus = NULL;
2548                 win->ws->focus_prev = win;
2549         }
2550
2551         if (validate_win(win->ws->focus)) {
2552                 kill_refs(win->ws->focus);
2553                 win->ws->focus = NULL;
2554         }
2555         if (validate_win(win->ws->focus_prev)) {
2556                 kill_refs(win->ws->focus_prev);
2557                 win->ws->focus_prev = NULL;
2558         }
2559
2560         /* drain all previous unfocus events */
2561         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2562                 ;
2563
2564         grabbuttons(win, 0);
2565         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2566                 &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2567         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2568                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2569                 &none);
2570 }
2571
2572 void
2573 unfocus_all(void)
2574 {
2575         struct ws_win           *win;
2576         int                     i, j, num_screens;
2577
2578         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2579
2580         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2581         for (i = 0; i < num_screens; i++)
2582                 for (j = 0; j < workspace_limit; j++)
2583                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2584                                 unfocus_win(win);
2585 }
2586
2587 void
2588 focus_win(struct ws_win *win)
2589 {
2590         XEvent                  cne;
2591         struct ws_win           *cfw = NULL;
2592         xcb_get_input_focus_cookie_t    c;
2593         xcb_get_input_focus_reply_t     *r;
2594         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2595
2596         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2597
2598         if (win == NULL)
2599                 return;
2600         if (win->ws == NULL)
2601                 return;
2602
2603         if (validate_ws(win->ws))
2604                 return; /* XXX this gets hit with thunderbird, needs fixing */
2605
2606         if (validate_win(win)) {
2607                 kill_refs(win);
2608                 return;
2609         }
2610
2611         if (validate_win(win)) {
2612                 kill_refs(win);
2613                 return;
2614         }
2615
2616         c = xcb_get_input_focus(conn);
2617         r = xcb_get_input_focus_reply(conn, c, NULL);
2618         if (r) {
2619                 cur_focus = r->focus;
2620                 free(r);
2621         }
2622         if ((cfw = find_window(cur_focus)) != NULL)
2623                 unfocus_win(cfw);
2624         else {
2625                 /* use larger hammer since the window was killed somehow */
2626                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2627                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2628                                 xcb_change_window_attributes(conn, cfw->id,
2629                                         XCB_CW_BORDER_PIXEL,
2630                                         &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2631         }
2632
2633         win->ws->focus = win;
2634
2635         if (win->ws->r != NULL) {
2636                 /* drain all previous focus events */
2637                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2638                         ;
2639
2640                 if (win->java == 0)
2641                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2642                                 win->id, XCB_CURRENT_TIME);
2643                 grabbuttons(win, 1);
2644                 xcb_change_window_attributes(conn, win->id,
2645                         XCB_CW_BORDER_PIXEL,
2646                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2647                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2648                     win->ws->always_raise)
2649                         map_window_raised(win->id);
2650
2651                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2652                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2653                         &win->id);
2654         }
2655
2656         bar_update();
2657 }
2658
2659 void
2660 switchws(struct swm_region *r, union arg *args)
2661 {
2662         int                     wsid = args->id, unmap_old = 0;
2663         struct swm_region       *this_r, *other_r;
2664         struct ws_win           *win;
2665         struct workspace        *new_ws, *old_ws;
2666         union arg               a;
2667
2668         if (!(r && r->s))
2669                 return;
2670
2671         if (wsid >= workspace_limit)
2672                 return;
2673
2674         this_r = r;
2675         old_ws = this_r->ws;
2676         new_ws = &this_r->s->ws[wsid];
2677
2678         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2679             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2680
2681         if (new_ws == NULL || old_ws == NULL)
2682                 return;
2683         if (new_ws == old_ws)
2684                 return;
2685
2686         other_r = new_ws->r;
2687         if (other_r == NULL) {
2688                 /* the other workspace is hidden, hide this one */
2689                 old_ws->r = NULL;
2690                 unmap_old = 1;
2691         } else {
2692                 /* the other ws is visible in another region, exchange them */
2693                 other_r->ws_prior = new_ws;
2694                 other_r->ws = old_ws;
2695                 old_ws->r = other_r;
2696         }
2697         this_r->ws_prior = old_ws;
2698         this_r->ws = new_ws;
2699         new_ws->r = this_r;
2700
2701         /* this is needed so that we can click on a window after a restart */
2702         unfocus_all();
2703
2704         stack();
2705         a.id = SWM_ARG_ID_FOCUSCUR;
2706         focus(new_ws->r, &a);
2707
2708         /* unmap old windows */
2709         if (unmap_old)
2710                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2711                         unmap_window(win);
2712
2713         if (focus_mode == SWM_FOCUS_DEFAULT)
2714                 drain_enter_notify();
2715 }
2716
2717 void
2718 cyclews(struct swm_region *r, union arg *args)
2719 {
2720         union                   arg a;
2721         struct swm_screen       *s = r->s;
2722         int                     cycle_all = 0;
2723
2724         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2725             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2726
2727         a.id = r->ws->idx;
2728         do {
2729                 switch (args->id) {
2730                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2731                         cycle_all = 1;
2732                         /* FALLTHROUGH */
2733                 case SWM_ARG_ID_CYCLEWS_UP:
2734                         if (a.id < workspace_limit - 1)
2735                                 a.id++;
2736                         else
2737                                 a.id = 0;
2738                         break;
2739                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2740                         cycle_all = 1;
2741                         /* FALLTHROUGH */
2742                 case SWM_ARG_ID_CYCLEWS_DOWN:
2743                         if (a.id > 0)
2744                                 a.id--;
2745                         else
2746                                 a.id = workspace_limit - 1;
2747                         break;
2748                 default:
2749                         return;
2750                 };
2751
2752                 if (!cycle_all &&
2753                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2754                         continue;
2755                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2756                         continue;
2757
2758                 switchws(r, &a);
2759         } while (a.id != r->ws->idx);
2760 }
2761
2762 void
2763 priorws(struct swm_region *r, union arg *args)
2764 {
2765         union arg               a;
2766
2767         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2768             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2769
2770         if (r->ws_prior == NULL)
2771                 return;
2772
2773         a.id = r->ws_prior->idx;
2774         switchws(r, &a);
2775 }
2776
2777 void
2778 cyclescr(struct swm_region *r, union arg *args)
2779 {
2780         struct swm_region       *rr = NULL;
2781         union arg               a;
2782         int                     i, x, y, num_screens;
2783
2784         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2785         /* do nothing if we don't have more than one screen */
2786         if (!(num_screens > 1 || outputs > 1))
2787                 return;
2788
2789         i = r->s->idx;
2790         switch (args->id) {
2791         case SWM_ARG_ID_CYCLESC_UP:
2792                 rr = TAILQ_NEXT(r, entry);
2793                 if (rr == NULL)
2794                         rr = TAILQ_FIRST(&screens[i].rl);
2795                 break;
2796         case SWM_ARG_ID_CYCLESC_DOWN:
2797                 rr = TAILQ_PREV(r, swm_region_list, entry);
2798                 if (rr == NULL)
2799                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2800                 break;
2801         default:
2802                 return;
2803         };
2804         if (rr == NULL)
2805                 return;
2806
2807         /* move mouse to region */
2808         x = X(rr) + 1;
2809         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2810         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2811                 x, y);
2812
2813         a.id = SWM_ARG_ID_FOCUSCUR;
2814         focus(rr, &a);
2815
2816         if (rr->ws->focus) {
2817                 /* move to focus window */
2818                 x = X(rr->ws->focus) + 1;
2819                 y = Y(rr->ws->focus) + 1;
2820                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2821                         0, x, y);
2822         }
2823 }
2824
2825 void
2826 sort_windows(struct ws_win_list *wl)
2827 {
2828         struct ws_win           *win, *parent, *nxt;
2829
2830         if (wl == NULL)
2831                 return;
2832
2833         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2834                 nxt = TAILQ_NEXT(win, entry);
2835                 if (win->transient) {
2836                         parent = find_window(win->transient);
2837                         if (parent == NULL) {
2838                                 warnx("not possible bug");
2839                                 continue;
2840                         }
2841                         TAILQ_REMOVE(wl, win, entry);
2842                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2843                 }
2844         }
2845
2846 }
2847
2848 void
2849 swapwin(struct swm_region *r, union arg *args)
2850 {
2851         struct ws_win           *target, *source;
2852         struct ws_win           *cur_focus;
2853         struct ws_win_list      *wl;
2854
2855
2856         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2857             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2858
2859         cur_focus = r->ws->focus;
2860         if (cur_focus == NULL)
2861                 return;
2862
2863         source = cur_focus;
2864         wl = &source->ws->winlist;
2865
2866         switch (args->id) {
2867         case SWM_ARG_ID_SWAPPREV:
2868                 if (source->transient)
2869                         source = find_window(source->transient);
2870                 target = TAILQ_PREV(source, ws_win_list, entry);
2871                 if (target && target->transient)
2872                         target = find_window(target->transient);
2873                 TAILQ_REMOVE(wl, source, entry);
2874                 if (target == NULL)
2875                         TAILQ_INSERT_TAIL(wl, source, entry);
2876                 else
2877                         TAILQ_INSERT_BEFORE(target, source, entry);
2878                 break;
2879         case SWM_ARG_ID_SWAPNEXT:
2880                 target = TAILQ_NEXT(source, entry);
2881                 /* move the parent and let the sort handle the move */
2882                 if (source->transient)
2883                         source = find_window(source->transient);
2884                 TAILQ_REMOVE(wl, source, entry);
2885                 if (target == NULL)
2886                         TAILQ_INSERT_HEAD(wl, source, entry);
2887                 else
2888                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2889                 break;
2890         case SWM_ARG_ID_SWAPMAIN:
2891                 target = TAILQ_FIRST(wl);
2892                 if (target == source) {
2893                         if (source->ws->focus_prev != NULL &&
2894                             source->ws->focus_prev != target)
2895                                 source = source->ws->focus_prev;
2896                         else
2897                                 return;
2898                 }
2899                 if (target == NULL || source == NULL)
2900                         return;
2901                 source->ws->focus_prev = target;
2902                 TAILQ_REMOVE(wl, target, entry);
2903                 TAILQ_INSERT_BEFORE(source, target, entry);
2904                 TAILQ_REMOVE(wl, source, entry);
2905                 TAILQ_INSERT_HEAD(wl, source, entry);
2906                 break;
2907         case SWM_ARG_ID_MOVELAST:
2908                 TAILQ_REMOVE(wl, source, entry);
2909                 TAILQ_INSERT_TAIL(wl, source, entry);
2910                 break;
2911         default:
2912                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2913                 return;
2914         }
2915
2916         sort_windows(wl);
2917
2918         stack();
2919 }
2920
2921 void
2922 focus_prev(struct ws_win *win)
2923 {
2924         struct ws_win           *winfocus = NULL;
2925         struct ws_win           *cur_focus = NULL;
2926         struct ws_win_list      *wl = NULL;
2927         struct workspace        *ws = NULL;
2928
2929         if (!(win && win->ws))
2930                 return;
2931
2932         ws = win->ws;
2933         wl = &ws->winlist;
2934         cur_focus = ws->focus;
2935
2936         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2937             WINID(win), WINID(cur_focus));
2938
2939         /* pickle, just focus on whatever */
2940         if (cur_focus == NULL) {
2941                 /* use prev_focus if valid */
2942                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2943                     find_window(WINID(ws->focus_prev)))
2944                         winfocus = ws->focus_prev;
2945                 goto done;
2946         }
2947
2948         /* if transient focus on parent */
2949         if (cur_focus->transient) {
2950                 winfocus = find_window(cur_focus->transient);
2951                 goto done;
2952         }
2953
2954         /* if in max_stack try harder */
2955         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2956             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2957                 if (cur_focus != ws->focus_prev)
2958                         winfocus = ws->focus_prev;
2959                 else
2960                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2961                 if (winfocus)
2962                         goto done;
2963         }
2964
2965         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2966
2967         if (winfocus == NULL || winfocus == win) {
2968                 switch (focus_close) {
2969                 case SWM_STACK_BOTTOM:
2970                         winfocus = TAILQ_FIRST(wl);
2971                         break;
2972                 case SWM_STACK_TOP:
2973                         winfocus = TAILQ_LAST(wl, ws_win_list);
2974                         break;
2975                 case SWM_STACK_ABOVE:
2976                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2977                                 if (focus_close_wrap)
2978                                         winfocus = TAILQ_FIRST(wl);
2979                                 else
2980                                         winfocus = TAILQ_PREV(cur_focus,
2981                                             ws_win_list, entry);
2982                         }
2983                         break;
2984                 case SWM_STACK_BELOW:
2985                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2986                             entry)) == NULL) {
2987                                 if (focus_close_wrap)
2988                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2989                                 else
2990                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2991                         }
2992                         break;
2993                 }
2994         }
2995 done:
2996         if (winfocus == NULL) {
2997                 if (focus_default == SWM_STACK_TOP)
2998                         winfocus = TAILQ_LAST(wl, ws_win_list);
2999                 else
3000                         winfocus = TAILQ_FIRST(wl);
3001         }
3002
3003         kill_refs(win);
3004         focus_magic(winfocus);
3005 }
3006
3007 void
3008 focus(struct swm_region *r, union arg *args)
3009 {
3010         struct ws_win           *winfocus = NULL, *head;
3011         struct ws_win           *cur_focus = NULL;
3012         struct ws_win_list      *wl = NULL;
3013         struct workspace        *ws = NULL;
3014         int                     all_iconics;
3015
3016         if (!(r && r->ws))
3017                 return;
3018
3019         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3020
3021         /* treat FOCUS_CUR special */
3022         if (args->id == SWM_ARG_ID_FOCUSCUR) {
3023                 if (r->ws->focus && r->ws->focus->iconic == 0)
3024                         winfocus = r->ws->focus;
3025                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
3026                         winfocus = r->ws->focus_prev;
3027                 else
3028                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3029                                 if (winfocus->iconic == 0)
3030                                         break;
3031
3032                 focus_magic(winfocus);
3033                 return;
3034         }
3035
3036         if ((cur_focus = r->ws->focus) == NULL)
3037                 return;
3038         ws = r->ws;
3039         wl = &ws->winlist;
3040         if (TAILQ_EMPTY(wl))
3041                 return;
3042         /* make sure there is at least one uniconified window */
3043         all_iconics = 1;
3044         TAILQ_FOREACH(winfocus, wl, entry)
3045                 if (winfocus->iconic == 0) {
3046                         all_iconics = 0;
3047                         break;
3048                 }
3049         if (all_iconics)
3050                 return;
3051
3052         switch (args->id) {
3053         case SWM_ARG_ID_FOCUSPREV:
3054                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3055                 if (head == NULL)
3056                         head = TAILQ_LAST(wl, ws_win_list);
3057                 winfocus = head;
3058                 if (WINID(winfocus) == cur_focus->transient) {
3059                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3060                         if (head == NULL)
3061                                 head = TAILQ_LAST(wl, ws_win_list);
3062                         winfocus = head;
3063                 }
3064
3065                 /* skip iconics */
3066                 if (winfocus && winfocus->iconic) {
3067                         while (winfocus != cur_focus) {
3068                                 if (winfocus == NULL)
3069                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3070                                 if (winfocus->iconic == 0)
3071                                         break;
3072                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3073                                     entry);
3074                         }
3075                 }
3076                 break;
3077
3078         case SWM_ARG_ID_FOCUSNEXT:
3079                 head = TAILQ_NEXT(cur_focus, entry);
3080                 if (head == NULL)
3081                         head = TAILQ_FIRST(wl);
3082                 winfocus = head;
3083
3084                 /* skip iconics */
3085                 if (winfocus && winfocus->iconic) {
3086                         while (winfocus != cur_focus) {
3087                                 if (winfocus == NULL)
3088                                         winfocus = TAILQ_FIRST(wl);
3089                                 if (winfocus->iconic == 0)
3090                                         break;
3091                                 winfocus = TAILQ_NEXT(winfocus, entry);
3092                         }
3093                 }
3094                 break;
3095
3096         case SWM_ARG_ID_FOCUSMAIN:
3097                 winfocus = TAILQ_FIRST(wl);
3098                 if (winfocus == cur_focus)
3099                         winfocus = cur_focus->ws->focus_prev;
3100                 break;
3101
3102         default:
3103                 return;
3104         }
3105
3106         focus_magic(winfocus);
3107 }
3108
3109 void
3110 cycle_layout(struct swm_region *r, union arg *args)
3111 {
3112         struct workspace        *ws = r->ws;
3113         union arg               a;
3114
3115         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3116
3117         ws->cur_layout++;
3118         if (ws->cur_layout->l_stack == NULL)
3119                 ws->cur_layout = &layouts[0];
3120
3121         stack();
3122         if (focus_mode == SWM_FOCUS_DEFAULT)
3123                 drain_enter_notify();
3124         a.id = SWM_ARG_ID_FOCUSCUR;
3125         focus(r, &a);
3126 }
3127
3128 void
3129 stack_config(struct swm_region *r, union arg *args)
3130 {
3131         struct workspace        *ws = r->ws;
3132
3133         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3134             args->id, ws->idx);
3135
3136         if (ws->cur_layout->l_config != NULL)
3137                 ws->cur_layout->l_config(ws, args->id);
3138
3139         if (args->id != SWM_ARG_ID_STACKINIT)
3140                 stack();
3141         bar_update();
3142 }
3143
3144 void
3145 stack(void) {
3146         struct swm_geometry     g;
3147         struct swm_region       *r;
3148         int                     i, num_screens;
3149 #ifdef SWM_DEBUG
3150         int j;
3151 #endif
3152
3153         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3154
3155         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3156         for (i = 0; i < num_screens; i++) {
3157 #ifdef SWM_DEBUG
3158                 j = 0;
3159 #endif
3160                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3161                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3162                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3163
3164                         /* start with screen geometry, adjust for bar */
3165                         g = r->g;
3166                         g.w -= 2 * border_width;
3167                         g.h -= 2 * border_width;
3168                         if (bar_enabled) {
3169                                 if (!bar_at_bottom)
3170                                         g.y += bar_height;
3171                                 g.h -= bar_height;
3172                         }
3173                         r->ws->cur_layout->l_stack(r->ws, &g);
3174                         r->ws->cur_layout->l_string(r->ws);
3175                         /* save r so we can track region changes */
3176                         r->ws->old_r = r;
3177                 }
3178         }
3179         if (font_adjusted)
3180                 font_adjusted--;
3181
3182         if (focus_mode == SWM_FOCUS_DEFAULT)
3183                 drain_enter_notify();
3184
3185         DNPRINTF(SWM_D_STACK, "stack: end\n");
3186 }
3187
3188 void
3189 store_float_geom(struct ws_win *win, struct swm_region *r)
3190 {
3191         /* retain window geom and region geom */
3192         win->g_float = win->g;
3193         win->g_float.x -= X(r);
3194         win->g_float.y -= Y(r);
3195         win->g_floatvalid = 1;
3196         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3197             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3198             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3199             win->g_float.w, win->g_float.h);
3200 }
3201
3202 void
3203 stack_floater(struct ws_win *win, struct swm_region *r)
3204 {
3205         if (win == NULL)
3206                 return;
3207
3208         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3209
3210         /*
3211          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3212          * geom on ws switches or return from max mode
3213          */
3214         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3215             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3216                 /* refloat at last floating relative position */
3217                 win->g = win->g_float;
3218                 X(win) += X(r);
3219                 Y(win) += Y(r);
3220         }
3221
3222         win->floatmaxed = 0;
3223
3224         /*
3225          * if set to fullscreen mode, configure window to maximum size.
3226          */
3227         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3228                 if (!win->g_floatvalid)
3229                         store_float_geom(win, win->ws->r);
3230
3231                 win->g = win->ws->r->g;
3232         }
3233
3234         /*
3235          * remove border on fullscreen floater when in fullscreen mode or when
3236          * the quirk is present.
3237          */
3238         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3239             ((win->quirks & SWM_Q_FULLSCREEN) &&
3240              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3241                 if (win->bordered) {
3242                         win->bordered = 0;
3243                         X(win) += border_width;
3244                         Y(win) += border_width;
3245                 }
3246         } else if (!win->bordered) {
3247                 win->bordered = 1;
3248                 X(win) -= border_width;
3249                 Y(win) -= border_width;
3250         }
3251
3252         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3253                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3254                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3255         }
3256
3257         if (!win->manual) {
3258                 /*
3259                  * floaters and transients are auto-centred unless moved
3260                  * or resized
3261                  */
3262                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3263                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3264         }
3265
3266         /* keep window within region bounds */
3267         constrain_window(win, r, 0);
3268
3269         update_window(win);
3270 }
3271
3272 /*
3273  * Send keystrokes to terminal to decrease/increase the font size as the
3274  * window size changes.
3275  */
3276 void
3277 adjust_font(struct ws_win *win)
3278 {
3279         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3280             win->floating || win->transient)
3281                 return;
3282
3283         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3284             WIDTH(win) / win->sh.width_inc < term_width &&
3285             win->font_steps < SWM_MAX_FONT_STEPS) {
3286                 win->font_size_boundary[win->font_steps] =
3287                     (win->sh.width_inc * term_width) + win->sh.base_width;
3288                 win->font_steps++;
3289                 font_adjusted++;
3290                 win->last_inc = win->sh.width_inc;
3291                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3292         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3293             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3294                 win->font_steps--;
3295                 font_adjusted++;
3296                 win->last_inc = win->sh.width_inc;
3297                 fake_keypress(win, XK_KP_Add, ShiftMask);
3298         }
3299 }
3300
3301 #define SWAPXY(g)       do {                            \
3302         int tmp;                                        \
3303         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3304         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3305 } while (0)
3306 void
3307 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3308 {
3309         struct swm_geometry     win_g, r_g = *g;
3310         struct ws_win           *win, *fs_win = NULL;
3311         int                     i, j, s, stacks;
3312         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3313         int                     hrh, extra = 0, h_slice, last_h = 0;
3314         int                     split, colno, winno, mwin, msize, mscale;
3315         int                     remain, missing, v_slice, reconfigure;
3316         int                     bordered = 1;
3317         xcb_get_window_attributes_reply_t *war;
3318
3319         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3320             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3321
3322         winno = count_win(ws, 0);
3323         if (winno == 0 && count_win(ws, 1) == 0)
3324                 return;
3325
3326         TAILQ_FOREACH(win, &ws->winlist, entry)
3327                 if (win->transient == 0 && win->floating == 0
3328                     && win->iconic == 0)
3329                         break;
3330
3331         if (win == NULL)
3332                 goto notiles;
3333
3334         if (rot) {
3335                 w_inc = win->sh.width_inc;
3336                 w_base = win->sh.base_width;
3337                 mwin = ws->l_state.horizontal_mwin;
3338                 mscale = ws->l_state.horizontal_msize;
3339                 stacks = ws->l_state.horizontal_stacks;
3340                 SWAPXY(&r_g);
3341         } else {
3342                 w_inc = win->sh.height_inc;
3343                 w_base = win->sh.base_height;
3344                 mwin = ws->l_state.vertical_mwin;
3345                 mscale = ws->l_state.vertical_msize;
3346                 stacks = ws->l_state.vertical_stacks;
3347         }
3348         win_g = r_g;
3349
3350         if (stacks > winno - mwin)
3351                 stacks = winno - mwin;
3352         if (stacks < 1)
3353                 stacks = 1;
3354
3355         h_slice = r_g.h / SWM_H_SLICE;
3356         if (mwin && winno > mwin) {
3357                 v_slice = r_g.w / SWM_V_SLICE;
3358
3359                 split = mwin;
3360                 colno = split;
3361                 win_g.w = v_slice * mscale;
3362
3363                 if (w_inc > 1 && w_inc < v_slice) {
3364                         /* adjust for window's requested size increment */
3365                         remain = (win_g.w - w_base) % w_inc;
3366                         win_g.w -= remain;
3367                 }
3368
3369                 msize = win_g.w;
3370                 if (flip)
3371                         win_g.x += r_g.w - msize;
3372         } else {
3373                 msize = -2;
3374                 colno = split = winno / stacks;
3375                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3376                     2 * border_width) / stacks);
3377         }
3378         hrh = r_g.h / colno;
3379         extra = r_g.h - (colno * hrh);
3380         win_g.h = hrh - 2 * border_width;
3381
3382         /*  stack all the tiled windows */
3383         i = j = 0, s = stacks;
3384         TAILQ_FOREACH(win, &ws->winlist, entry) {
3385                 if (win->transient != 0 || win->floating != 0)
3386                         continue;
3387                 if (win->iconic != 0)
3388                         continue;
3389
3390                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3391                         fs_win = win;
3392                         continue;
3393                 }
3394
3395                 if (split && i == split) {
3396                         colno = (winno - mwin) / stacks;
3397                         if (s <= (winno - mwin) % stacks)
3398                                 colno++;
3399                         split = split + colno;
3400                         hrh = (r_g.h / colno);
3401                         extra = r_g.h - (colno * hrh);
3402                         if (flip)
3403                                 win_g.x = r_g.x;
3404                         else
3405                                 win_g.x += win_g.w + 2 * border_width;
3406                         win_g.w = (r_g.w - msize -
3407                             (stacks * 2 * border_width)) / stacks;
3408                         if (s == 1)
3409                                 win_g.w += (r_g.w - msize -
3410                                     (stacks * 2 * border_width)) % stacks;
3411                         s--;
3412                         j = 0;
3413                 }
3414                 win_g.h = hrh - 2 * border_width;
3415                 if (rot) {
3416                         h_inc = win->sh.width_inc;
3417                         h_base = win->sh.base_width;
3418                 } else {
3419                         h_inc = win->sh.height_inc;
3420                         h_base = win->sh.base_height;
3421                 }
3422                 if (j == colno - 1) {
3423                         win_g.h = hrh + extra;
3424                 } else if (h_inc > 1 && h_inc < h_slice) {
3425                         /* adjust for window's requested size increment */
3426                         remain = (win_g.h - h_base) % h_inc;
3427                         missing = h_inc - remain;
3428
3429                         if (missing <= extra || j == 0) {
3430                                 extra -= missing;
3431                                 win_g.h += missing;
3432                         } else {
3433                                 win_g.h -= remain;
3434                                 extra += remain;
3435                         }
3436                 }
3437
3438                 if (j == 0)
3439                         win_g.y = r_g.y;
3440                 else
3441                         win_g.y += last_h + 2 * border_width;
3442
3443                 if (disable_border && bar_enabled == 0 && winno == 1){
3444                         bordered = 0;
3445                         win_g.w += 2 * border_width;
3446                         win_g.h += 2 * border_width;
3447                 } else {
3448                         bordered = 1;
3449                 }
3450                 if (rot) {
3451                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3452                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3453                                 reconfigure = 1;
3454                                 X(win) = win_g.y;
3455                                 Y(win) = win_g.x;
3456                                 WIDTH(win) = win_g.h;
3457                                 HEIGHT(win) = win_g.w;
3458                         }
3459                 } else {
3460                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3461                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3462                                 reconfigure = 1;
3463                                 X(win) = win_g.x;
3464                                 Y(win) = win_g.y;
3465                                 WIDTH(win) = win_g.w;
3466                                 HEIGHT(win) = win_g.h;
3467                         }
3468                 }
3469
3470                 if (bordered != win->bordered) {
3471                         reconfigure = 1;
3472                         win->bordered = bordered;
3473                 }
3474
3475                 if (reconfigure) {
3476                         adjust_font(win);
3477                         update_window(win);
3478                 }
3479
3480                 war = xcb_get_window_attributes_reply(conn,
3481                         xcb_get_window_attributes(conn, win->id),
3482                         NULL);
3483                 if (war) {
3484                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3485                                 map_window_raised(win->id);
3486                         free(war);
3487                 }
3488
3489                 last_h = win_g.h;
3490                 i++;
3491                 j++;
3492         }
3493
3494 notiles:
3495         /* now, stack all the floaters and transients */
3496         TAILQ_FOREACH(win, &ws->winlist, entry) {
3497                 if (win->transient == 0 && win->floating == 0)
3498                         continue;
3499                 if (win->iconic == 1)
3500                         continue;
3501                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3502                         fs_win = win;
3503                         continue;
3504                 }
3505
3506                 stack_floater(win, ws->r);
3507                 map_window_raised(win->id);
3508         }
3509
3510         if (fs_win) {
3511                 stack_floater(fs_win, ws->r);
3512                 map_window_raised(fs_win->id);
3513         }
3514 }
3515
3516 void
3517 vertical_config(struct workspace *ws, int id)
3518 {
3519         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3520             id, ws->idx);
3521
3522         switch (id) {
3523         case SWM_ARG_ID_STACKRESET:
3524         case SWM_ARG_ID_STACKINIT:
3525                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3526                 ws->l_state.vertical_mwin = 1;
3527                 ws->l_state.vertical_stacks = 1;
3528                 break;
3529         case SWM_ARG_ID_MASTERSHRINK:
3530                 if (ws->l_state.vertical_msize > 1)
3531                         ws->l_state.vertical_msize--;
3532                 break;
3533         case SWM_ARG_ID_MASTERGROW:
3534                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3535                         ws->l_state.vertical_msize++;
3536                 break;
3537         case SWM_ARG_ID_MASTERADD:
3538                 ws->l_state.vertical_mwin++;
3539                 break;
3540         case SWM_ARG_ID_MASTERDEL:
3541                 if (ws->l_state.vertical_mwin > 0)
3542                         ws->l_state.vertical_mwin--;
3543                 break;
3544         case SWM_ARG_ID_STACKINC:
3545                 ws->l_state.vertical_stacks++;
3546                 break;
3547         case SWM_ARG_ID_STACKDEC:
3548                 if (ws->l_state.vertical_stacks > 1)
3549                         ws->l_state.vertical_stacks--;
3550                 break;
3551         case SWM_ARG_ID_FLIPLAYOUT:
3552                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3553                 break;
3554         default:
3555                 return;
3556         }
3557 }
3558
3559 void
3560 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3561 {
3562         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3563
3564         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3565 }
3566
3567 void
3568 horizontal_config(struct workspace *ws, int id)
3569 {
3570         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3571
3572         switch (id) {
3573         case SWM_ARG_ID_STACKRESET:
3574         case SWM_ARG_ID_STACKINIT:
3575                 ws->l_state.horizontal_mwin = 1;
3576                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3577                 ws->l_state.horizontal_stacks = 1;
3578                 break;
3579         case SWM_ARG_ID_MASTERSHRINK:
3580                 if (ws->l_state.horizontal_msize > 1)
3581                         ws->l_state.horizontal_msize--;
3582                 break;
3583         case SWM_ARG_ID_MASTERGROW:
3584                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3585                         ws->l_state.horizontal_msize++;
3586                 break;
3587         case SWM_ARG_ID_MASTERADD:
3588                 ws->l_state.horizontal_mwin++;
3589                 break;
3590         case SWM_ARG_ID_MASTERDEL:
3591                 if (ws->l_state.horizontal_mwin > 0)
3592                         ws->l_state.horizontal_mwin--;
3593                 break;
3594         case SWM_ARG_ID_STACKINC:
3595                 ws->l_state.horizontal_stacks++;
3596                 break;
3597         case SWM_ARG_ID_STACKDEC:
3598                 if (ws->l_state.horizontal_stacks > 1)
3599                         ws->l_state.horizontal_stacks--;
3600                 break;
3601         case SWM_ARG_ID_FLIPLAYOUT:
3602                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3603                 break;
3604         default:
3605                 return;
3606         }
3607 }
3608
3609 void
3610 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3611 {
3612         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3613
3614         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3615 }
3616
3617 /* fullscreen view */
3618 void
3619 max_stack(struct workspace *ws, struct swm_geometry *g)
3620 {
3621         struct swm_geometry     gg = *g;
3622         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3623         int                     winno, num_screens;
3624
3625         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3626
3627         if (ws == NULL)
3628                 return;
3629
3630         winno = count_win(ws, 0);
3631         if (winno == 0 && count_win(ws, 1) == 0)
3632                 return;
3633
3634         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3635         TAILQ_FOREACH(win, &ws->winlist, entry) {
3636                 if (win->transient) {
3637                         wintrans = win;
3638                         parent = find_window(win->transient);
3639                         continue;
3640                 }
3641
3642                 if (win->floating && win->floatmaxed == 0 ) {
3643                         /*
3644                          * retain geometry for retrieval on exit from
3645                          * max_stack mode
3646                          */
3647                         store_float_geom(win, ws->r);
3648                         win->floatmaxed = 1;
3649                 }
3650
3651                 /* only reconfigure if necessary */
3652                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3653                     HEIGHT(win) != gg.h) {
3654                         win->g = gg;
3655                         if (bar_enabled){
3656                                 win->bordered = 1;
3657                         } else {
3658                                 win->bordered = 0;
3659                                 WIDTH(win) += 2 * border_width;
3660                                 HEIGHT(win) += 2 * border_width;
3661                         }
3662
3663                         update_window(win);
3664                 }
3665                 /* unmap only if we don't have multi screen */
3666                 if (win != ws->focus)
3667                         if (!(num_screens > 1 || outputs > 1))
3668                                 unmap_window(win);
3669         }
3670
3671         /* put the last transient on top */
3672         if (wintrans) {
3673                 if (parent)
3674                         map_window_raised(parent->id);
3675                 stack_floater(wintrans, ws->r);
3676                 focus_magic(wintrans);
3677         }
3678 }
3679
3680 void
3681 send_to_ws(struct swm_region *r, union arg *args)
3682 {
3683         int                     wsid = args->id;
3684         struct ws_win           *win = NULL, *parent;
3685         struct workspace        *ws, *nws;
3686         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3687         char                    ws_idx_str[SWM_PROPLEN];
3688         union arg               a;
3689
3690         if (wsid >= workspace_limit)
3691                 return;
3692
3693         if (r && r->ws && r->ws->focus)
3694                 win = r->ws->focus;
3695         else
3696                 return;
3697         if (win == NULL)
3698                 return;
3699         if (win->ws->idx == wsid)
3700                 return;
3701
3702         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3703
3704         ws = win->ws;
3705         nws = &win->s->ws[wsid];
3706
3707         a.id = SWM_ARG_ID_FOCUSPREV;
3708         focus(r, &a);
3709         if (win->transient) {
3710                 parent = find_window(win->transient);
3711                 if (parent) {
3712                         unmap_window(parent);
3713                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3714                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3715                         parent->ws = nws;
3716                 }
3717         }
3718         unmap_window(win);
3719         TAILQ_REMOVE(&ws->winlist, win, entry);
3720         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3721         if (TAILQ_EMPTY(&ws->winlist))
3722                 r->ws->focus = NULL;
3723         win->ws = nws;
3724
3725         /* Try to update the window's workspace property */
3726         ws_idx_atom = get_atom_from_string("_SWM_WS");
3727         if (ws_idx_atom &&
3728             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3729                 SWM_PROPLEN) {
3730                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3731                     ws_idx_str);
3732                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3733                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3734                         ws_idx_str);
3735         }
3736
3737         stack();
3738         bar_update();
3739 }
3740
3741 void
3742 pressbutton(struct swm_region *r, union arg *args)
3743 {
3744         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3745         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3746 }
3747
3748 void
3749 raise_toggle(struct swm_region *r, union arg *args)
3750 {
3751         if (r == NULL || r->ws == NULL)
3752                 return;
3753
3754         r->ws->always_raise = !r->ws->always_raise;
3755
3756         /* bring floaters back to top */
3757         if (r->ws->always_raise == 0)
3758                 stack();
3759 }
3760
3761 void
3762 iconify(struct swm_region *r, union arg *args)
3763 {
3764         union arg a;
3765
3766         if (r->ws->focus == NULL)
3767                 return;
3768         unmap_window(r->ws->focus);
3769         update_iconic(r->ws->focus, 1);
3770         stack();
3771         if (focus_mode == SWM_FOCUS_DEFAULT)
3772                 drain_enter_notify();
3773         r->ws->focus = NULL;
3774         a.id = SWM_ARG_ID_FOCUSCUR;
3775         focus(r, &a);
3776 }
3777
3778 char *
3779 get_win_name(xcb_window_t win)
3780 {
3781         char                            *name = NULL;
3782         xcb_get_property_cookie_t       c;
3783         xcb_get_text_property_reply_t   r;
3784
3785         c = xcb_icccm_get_wm_name(conn, win);
3786         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3787                 if (r.name_len > 0) {
3788                         name = malloc(r.name_len + 1);
3789                         if (!name) {
3790                                 xcb_get_text_property_reply_wipe(&r);
3791                                 return (NULL);
3792                         }
3793                         memcpy(name, r.name, r.name_len);
3794                         name[r.name_len] = '\0';
3795                 }
3796                 xcb_get_text_property_reply_wipe(&r);
3797         }
3798
3799         return (name);
3800 }
3801
3802 void
3803 uniconify(struct swm_region *r, union arg *args)
3804 {
3805         struct ws_win           *win;
3806         FILE                    *lfile;
3807         char                    *name;
3808         int                     count = 0;
3809
3810         DNPRINTF(SWM_D_MISC, "uniconify\n");
3811
3812         if (r == NULL || r->ws == NULL)
3813                 return;
3814
3815         /* make sure we have anything to uniconify */
3816         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3817                 if (win->ws == NULL)
3818                         continue; /* should never happen */
3819                 if (win->iconic == 0)
3820                         continue;
3821                 count++;
3822         }
3823         if (count == 0)
3824                 return;
3825
3826         search_r = r;
3827         search_resp_action = SWM_SEARCH_UNICONIFY;
3828
3829         spawn_select(r, args, "search", &searchpid);
3830
3831         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3832                 return;
3833
3834         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3835                 if (win->ws == NULL)
3836                         continue; /* should never happen */
3837                 if (win->iconic == 0)
3838                         continue;
3839
3840                 name = get_win_name(win->id);
3841                 if (name == NULL)
3842                         continue;
3843                 fprintf(lfile, "%s.%u\n", name, win->id);
3844                 free(name);
3845         }
3846
3847         fclose(lfile);
3848 }
3849
3850 void
3851 name_workspace(struct swm_region *r, union arg *args)
3852 {
3853         FILE                    *lfile;
3854
3855         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3856
3857         if (r == NULL)
3858                 return;
3859
3860         search_r = r;
3861         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3862
3863         spawn_select(r, args, "name_workspace", &searchpid);
3864
3865         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3866                 return;
3867
3868         fprintf(lfile, "%s", "");
3869         fclose(lfile);
3870 }
3871
3872 void
3873 search_workspace(struct swm_region *r, union arg *args)
3874 {
3875         int                     i;
3876         struct workspace        *ws;
3877         FILE                    *lfile;
3878
3879         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3880
3881         if (r == NULL)
3882                 return;
3883
3884         search_r = r;
3885         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3886
3887         spawn_select(r, args, "search", &searchpid);
3888
3889         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3890                 return;
3891
3892         for (i = 0; i < workspace_limit; i++) {
3893                 ws = &r->s->ws[i];
3894                 if (ws == NULL)
3895                         continue;
3896                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3897                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3898         }
3899
3900         fclose(lfile);
3901 }
3902
3903 void
3904 search_win_cleanup(void)
3905 {
3906         struct search_window    *sw = NULL;
3907
3908         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3909                 xcb_destroy_window(conn, sw->indicator);
3910                 xcb_free_gc(conn, sw->gc);
3911                 TAILQ_REMOVE(&search_wl, sw, entry);
3912                 free(sw);
3913         }
3914 }
3915
3916 void
3917 search_win(struct swm_region *r, union arg *args)
3918 {
3919         struct ws_win           *win = NULL;
3920         struct search_window    *sw = NULL;
3921         xcb_window_t            w;
3922         uint32_t                gcv[1], wa[2];
3923         int                     i;
3924         char                    s[8];
3925         FILE                    *lfile;
3926         size_t                  len;
3927         XRectangle              ibox, lbox;
3928         xcb_screen_t            *screen;
3929         DNPRINTF(SWM_D_MISC, "search_win\n");
3930
3931         search_r = r;
3932         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3933
3934         spawn_select(r, args, "search", &searchpid);
3935
3936         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3937                 return;
3938
3939         TAILQ_INIT(&search_wl);
3940
3941         i = 1;
3942         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3943                 if (win->iconic == 1)
3944                         continue;
3945
3946                 sw = calloc(1, sizeof(struct search_window));
3947                 if (sw == NULL) {
3948                         warn("search_win: calloc");
3949                         fclose(lfile);
3950                         search_win_cleanup();
3951                         return;
3952                 }
3953                 sw->idx = i;
3954                 sw->win = win;
3955                 screen = get_screen(sw->idx);
3956
3957                 snprintf(s, sizeof s, "%d", i);
3958                 len = strlen(s);
3959
3960                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3961
3962                 w = xcb_generate_id(conn);
3963                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3964                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3965                 xcb_create_window(conn, screen->root_depth, w, win->id,
3966                         0, 0, lbox.width + 4,
3967                         bar_fs_extents->max_logical_extent.height, 1,
3968                         XCB_WINDOW_CLASS_INPUT_OUTPUT, screen->root_visual,
3969                         XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3970
3971                 sw->indicator = w;
3972                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3973
3974                 sw->gc = xcb_generate_id(conn);
3975                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3976                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND, gcv);
3977                 map_window_raised(w);
3978
3979                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3980                     (bar_fs_extents->max_logical_extent.height -
3981                     lbox.height) / 2 - lbox.y, s);
3982
3983                 fprintf(lfile, "%d\n", i);
3984                 i++;
3985         }
3986
3987         fclose(lfile);
3988 }
3989
3990 void
3991 search_resp_uniconify(char *resp, unsigned long len)
3992 {
3993         char                    *name;
3994         struct ws_win           *win;
3995         char                    *s;
3996
3997         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3998
3999         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4000                 if (win->iconic == 0)
4001                         continue;
4002                 name = get_win_name(win->id);
4003                 if (name == NULL)
4004                         continue;
4005                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4006                         free(name);
4007                         continue;
4008                 }
4009                 free(name);
4010                 if (strncmp(s, resp, len) == 0) {
4011                         /* XXX this should be a callback to generalize */
4012                         update_iconic(win, 0);
4013                         free(s);
4014                         break;
4015                 }
4016                 free(s);
4017         }
4018 }
4019
4020 void
4021 search_resp_name_workspace(char *resp, unsigned long len)
4022 {
4023         struct workspace        *ws;
4024
4025         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4026
4027         if (search_r->ws == NULL)
4028                 return;
4029         ws = search_r->ws;
4030
4031         if (ws->name) {
4032                 free(search_r->ws->name);
4033                 search_r->ws->name = NULL;
4034         }
4035
4036         if (len > 1) {
4037                 ws->name = strdup(resp);
4038                 if (ws->name == NULL) {
4039                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4040                             "strdup: %s", strerror(errno));
4041                         return;
4042                 }
4043         }
4044 }
4045
4046 void
4047 search_resp_search_workspace(char *resp, unsigned long len)
4048 {
4049         char                    *p, *q;
4050         int                     ws_idx;
4051         const char              *errstr;
4052         union arg               a;
4053
4054         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4055
4056         q = strdup(resp);
4057         if (!q) {
4058                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4059                     strerror(errno));
4060                 return;
4061         }
4062         p = strchr(q, ':');
4063         if (p != NULL)
4064                 *p = '\0';
4065         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
4066         if (errstr) {
4067                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4068                     errstr, q);
4069                 free(q);
4070                 return;
4071         }
4072         free(q);
4073         a.id = ws_idx - 1;
4074         switchws(search_r, &a);
4075 }
4076
4077 void
4078 search_resp_search_window(char *resp, unsigned long len)
4079 {
4080         char                    *s;
4081         int                     idx;
4082         const char              *errstr;
4083         struct search_window    *sw;
4084
4085         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4086
4087         s = strdup(resp);
4088         if (!s) {
4089                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4090                     strerror(errno));
4091                 return;
4092         }
4093
4094         idx = strtonum(s, 1, INT_MAX, &errstr);
4095         if (errstr) {
4096                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4097                     errstr, s);
4098                 free(s);
4099                 return;
4100         }
4101         free(s);
4102
4103         TAILQ_FOREACH(sw, &search_wl, entry)
4104                 if (idx == sw->idx) {
4105                         focus_win(sw->win);
4106                         break;
4107                 }
4108 }
4109
4110 #define MAX_RESP_LEN    1024
4111
4112 void
4113 search_do_resp(void)
4114 {
4115         ssize_t                 rbytes;
4116         char                    *resp;
4117         unsigned long           len;
4118
4119         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4120
4121         search_resp = 0;
4122         searchpid = 0;
4123
4124         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4125                 warn("search: calloc");
4126                 goto done;
4127         }
4128
4129         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4130         if (rbytes <= 0) {
4131                 warn("search: read error");
4132                 goto done;
4133         }
4134         resp[rbytes] = '\0';
4135
4136         /* XXX:
4137          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4138          * newline, so work around that by sanitizing the resp now.
4139          */
4140         resp[strcspn(resp, "\n")] = '\0';
4141         len = strlen(resp);
4142
4143         switch (search_resp_action) {
4144         case SWM_SEARCH_UNICONIFY:
4145                 search_resp_uniconify(resp, len);
4146                 break;
4147         case SWM_SEARCH_NAME_WORKSPACE:
4148                 search_resp_name_workspace(resp, len);
4149                 break;
4150         case SWM_SEARCH_SEARCH_WORKSPACE:
4151                 search_resp_search_workspace(resp, len);
4152                 break;
4153         case SWM_SEARCH_SEARCH_WINDOW:
4154                 search_resp_search_window(resp, len);
4155                 break;
4156         }
4157
4158 done:
4159         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4160                 search_win_cleanup();
4161
4162         search_resp_action = SWM_SEARCH_NONE;
4163         close(select_resp_pipe[0]);
4164         free(resp);
4165 }
4166
4167 void
4168 wkill(struct swm_region *r, union arg *args)
4169 {
4170         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4171
4172         if (r->ws->focus == NULL)
4173                 return;
4174
4175         if (args->id == SWM_ARG_ID_KILLWINDOW)
4176                 xcb_kill_client(conn, r->ws->focus->id);
4177         else
4178                 if (r->ws->focus->can_delete)
4179                         client_msg(r->ws->focus, adelete);
4180 }
4181
4182
4183 int
4184 floating_toggle_win(struct ws_win *win)
4185 {
4186         struct swm_region       *r;
4187
4188         if (win == NULL)
4189                 return (0);
4190
4191         if (!win->ws->r)
4192                 return (0);
4193
4194         r = win->ws->r;
4195
4196         /* reject floating toggles in max stack mode */
4197         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4198                 return (0);
4199
4200         if (win->floating) {
4201                 if (!win->floatmaxed) {
4202                         /* retain position for refloat */
4203                         store_float_geom(win, r);
4204                 }
4205                 win->floating = 0;
4206         } else {
4207                 if (win->g_floatvalid) {
4208                         /* refloat at last floating relative position */
4209                         X(win) = win->g_float.x + X(r);
4210                         Y(win) = win->g_float.y + Y(r);
4211                         WIDTH(win) = win->g_float.w;
4212                         HEIGHT(win) = win->g_float.h;
4213                 }
4214                 win->floating = 1;
4215         }
4216
4217         ewmh_update_actions(win);
4218
4219         return (1);
4220 }
4221
4222 void
4223 floating_toggle(struct swm_region *r, union arg *args)
4224 {
4225         struct ws_win           *win = r->ws->focus;
4226         union arg               a;
4227
4228         if (win == NULL)
4229                 return;
4230
4231         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4232             _NET_WM_STATE_TOGGLE);
4233
4234         stack();
4235         if (focus_mode == SWM_FOCUS_DEFAULT)
4236                 drain_enter_notify();
4237
4238         if (win == win->ws->focus) {
4239                 a.id = SWM_ARG_ID_FOCUSCUR;
4240                 focus(win->ws->r, &a);
4241         }
4242 }
4243
4244 void
4245 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4246 {
4247         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4248                 if (resizable)
4249                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4250                 else
4251                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4252         }
4253
4254         if (X(win) + BORDER(win) < X(r)) {
4255                 if (resizable)
4256                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4257
4258                 X(win) = X(r) - BORDER(win);
4259         }
4260
4261         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4262                 if (resizable)
4263                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4264                 else
4265                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4266         }
4267
4268         if (Y(win) + BORDER(win) < Y(r)) {
4269                 if (resizable)
4270                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4271
4272                 Y(win) = Y(r) - BORDER(win);
4273         }
4274
4275         if (resizable) {
4276                 if (WIDTH(win) < 1)
4277                         WIDTH(win) = 1;
4278                 if (HEIGHT(win) < 1)
4279                         HEIGHT(win) = 1;
4280         }
4281 }
4282
4283 void
4284 update_window(struct ws_win *win)
4285 {
4286         uint16_t        mask;
4287         uint32_t        wc[5];
4288
4289         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4290                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4291                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4292         wc[0] = X(win);
4293         wc[1] = Y(win);
4294         wc[2] = WIDTH(win);
4295         wc[3] = HEIGHT(win);
4296         wc[4] = BORDER(win);
4297
4298         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4299             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4300             wc[3], YESNO(win->bordered));
4301
4302         xcb_configure_window(conn, win->id, mask, wc);
4303 }
4304
4305 #define SWM_RESIZE_STEPS        (50)
4306
4307 void
4308 resize(struct ws_win *win, union arg *args)
4309 {
4310         XEvent                  ev;
4311         Time                    time = 0;
4312         struct swm_region       *r = NULL;
4313         int                     resize_step = 0;
4314         struct swm_geometry     g;
4315         int                     top = 0, left = 0;
4316         int                     dx, dy;
4317         unsigned int            shape; /* cursor style */
4318         xcb_cursor_t            cursor;
4319         xcb_font_t              cursor_font;
4320         xcb_grab_pointer_reply_t        *gpr;
4321         xcb_query_pointer_reply_t       *xpr;
4322
4323         if (win == NULL)
4324                 return;
4325         r = win->ws->r;
4326
4327         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4328                 return;
4329
4330         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%x, floating: %s, "
4331             "transient: 0x%x\n", win->id, YESNO(win->floating),
4332             win->transient);
4333
4334         if (!(win->transient != 0 || win->floating != 0))
4335                 return;
4336
4337         /* reject resizes in max mode for floaters (transient ok) */
4338         if (win->floatmaxed)
4339                 return;
4340
4341         win->manual = 1;
4342         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4343             _NET_WM_STATE_ADD);
4344
4345         stack();
4346
4347         switch (args->id) {
4348         case SWM_ARG_ID_WIDTHSHRINK:
4349                 WIDTH(win) -= SWM_RESIZE_STEPS;
4350                 resize_step = 1;
4351                 break;
4352         case SWM_ARG_ID_WIDTHGROW:
4353                 WIDTH(win) += SWM_RESIZE_STEPS;
4354                 resize_step = 1;
4355                 break;
4356         case SWM_ARG_ID_HEIGHTSHRINK:
4357                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4358                 resize_step = 1;
4359                 break;
4360         case SWM_ARG_ID_HEIGHTGROW:
4361                 HEIGHT(win) += SWM_RESIZE_STEPS;
4362                 resize_step = 1;
4363                 break;
4364         default:
4365                 break;
4366         }
4367         if (resize_step) {
4368                 constrain_window(win, r, 1);
4369                 update_window(win);
4370                 store_float_geom(win,r);
4371                 return;
4372         }
4373
4374         if (focus_mode == SWM_FOCUS_DEFAULT)
4375                 drain_enter_notify();
4376
4377         /* get cursor offset from window root */
4378         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4379                 NULL);
4380         if (!xpr)
4381                 return;
4382
4383         g = win->g;
4384
4385         if (xpr->win_x < WIDTH(win) / 2)
4386                 left = 1;
4387
4388         if (xpr->win_y < HEIGHT(win) / 2)
4389                 top = 1;
4390
4391         if (args->id == SWM_ARG_ID_CENTER)
4392                 shape = XC_sizing;
4393         else if (top)
4394                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4395         else
4396                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4397
4398         cursor_font = xcb_generate_id(conn);
4399         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4400
4401         cursor = xcb_generate_id(conn);
4402         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4403                 shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4404
4405         gpr = xcb_grab_pointer_reply(conn,
4406                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4407                 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
4408                 cursor, XCB_CURRENT_TIME),
4409                 NULL);
4410         if (!gpr) {
4411                 xcb_free_cursor(conn, cursor);
4412                 xcb_close_font(conn, cursor_font);
4413                 free(xpr);
4414                 return;
4415         }
4416
4417         do {
4418                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4419                     SubstructureRedirectMask, &ev);
4420                 switch (ev.type) {
4421                 case ConfigureRequest:
4422                 case Expose:
4423                 case MapRequest:
4424                         handler[ev.type](&ev);
4425                         break;
4426                 case MotionNotify:
4427                         /* cursor offset/delta from start of the operation */
4428                         dx = ev.xmotion.x_root - xpr->root_x;
4429                         dy = ev.xmotion.y_root - xpr->root_y;
4430
4431                         /* vertical */
4432                         if (top)
4433                                 dy = -dy;
4434
4435                         if (args->id == SWM_ARG_ID_CENTER) {
4436                                 if (g.h / 2 + dy < 1)
4437                                         dy = 1 - g.h / 2;
4438
4439                                 Y(win) = g.y - dy;
4440                                 HEIGHT(win) = g.h + 2 * dy;
4441                         } else {
4442                                 if (g.h + dy < 1)
4443                                         dy = 1 - g.h;
4444
4445                                 if (top)
4446                                         Y(win) = g.y - dy;
4447
4448                                 HEIGHT(win) = g.h + dy;
4449                         }
4450
4451                         /* horizontal */
4452                         if (left)
4453                                 dx = -dx;
4454
4455                         if (args->id == SWM_ARG_ID_CENTER) {
4456                                 if (g.w / 2 + dx < 1)
4457                                         dx = 1 - g.w / 2;
4458
4459                                 X(win) = g.x - dx;
4460                                 WIDTH(win) = g.w + 2 * dx;
4461                         } else {
4462                                 if (g.w + dx < 1)
4463                                         dx = 1 - g.w;
4464
4465                                 if (left)
4466                                         X(win) = g.x - dx;
4467
4468                                 WIDTH(win) = g.w + dx;
4469                         }
4470
4471                         constrain_window(win, r, 1);
4472
4473                         /* not free, don't sync more than 120 times / second */
4474                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4475                                 time = ev.xmotion.time;
4476                                 do_sync();
4477                                 update_window(win);
4478                         }
4479                         break;
4480                 }
4481         } while (ev.type != ButtonRelease);
4482         if (time) {
4483                 do_sync();
4484                 update_window(win);
4485         }
4486         store_float_geom(win,r);
4487
4488         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4489         xcb_free_cursor(conn, cursor);
4490         xcb_close_font(conn, cursor_font);
4491         free(gpr);
4492         free(xpr);
4493
4494         /* drain events */
4495         drain_enter_notify();
4496 }
4497
4498 void
4499 resize_step(struct swm_region *r, union arg *args)
4500 {
4501         struct ws_win           *win = NULL;
4502
4503         if (r && r->ws && r->ws->focus)
4504                 win = r->ws->focus;
4505         else
4506                 return;
4507
4508         resize(win, args);
4509 }
4510
4511 #define SWM_MOVE_STEPS  (50)
4512
4513 void
4514 move(struct ws_win *win, union arg *args)
4515 {
4516         XEvent                  ev;
4517         Time                    time = 0;
4518         int                     move_step = 0;
4519         struct swm_region       *r = NULL;
4520         xcb_font_t                      cursor_font;
4521         xcb_cursor_t                    cursor;
4522         xcb_grab_pointer_reply_t        *gpr;
4523         xcb_query_pointer_reply_t       *qpr;
4524
4525         if (win == NULL)
4526                 return;
4527         r = win->ws->r;
4528
4529         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4530                 return;
4531
4532         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%x, floating: %s, transient: "
4533             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4534
4535         /* in max_stack mode should only move transients */
4536         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4537                 return;
4538
4539         win->manual = 1;
4540         if (win->floating == 0 && !win->transient) {
4541                 store_float_geom(win, r);
4542                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4543                     _NET_WM_STATE_ADD);
4544         }
4545         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4546             _NET_WM_STATE_ADD);
4547
4548         stack();
4549
4550         move_step = 0;
4551         switch (args->id) {
4552         case SWM_ARG_ID_MOVELEFT:
4553                 X(win) -= (SWM_MOVE_STEPS - border_width);
4554                 move_step = 1;
4555                 break;
4556         case SWM_ARG_ID_MOVERIGHT:
4557                 X(win) += (SWM_MOVE_STEPS - border_width);
4558                 move_step = 1;
4559                 break;
4560         case SWM_ARG_ID_MOVEUP:
4561                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4562                 move_step = 1;
4563                 break;
4564         case SWM_ARG_ID_MOVEDOWN:
4565                 Y(win) += (SWM_MOVE_STEPS - border_width);
4566                 move_step = 1;
4567                 break;
4568         default:
4569                 break;
4570         }
4571         if (move_step) {
4572                 constrain_window(win, r, 0);
4573                 update_window(win);
4574                 store_float_geom(win, r);
4575                 return;
4576         }
4577
4578         cursor_font = xcb_generate_id(conn);
4579         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4580
4581         cursor = xcb_generate_id(conn);
4582         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4583                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4584
4585         gpr = xcb_grab_pointer_reply(conn,
4586                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4587                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4588                         XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME),
4589                 NULL);
4590         if (!gpr) {
4591                 xcb_free_cursor(conn, cursor);
4592                 xcb_close_font(conn, cursor_font);
4593                 return;
4594         }
4595
4596         /* get cursor offset from window root */
4597         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4598                 NULL);
4599         if (!qpr) {
4600                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4601                 xcb_free_cursor(conn, cursor);
4602                 xcb_close_font(conn, cursor_font);
4603                 return;
4604         }
4605         do {
4606                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4607                     SubstructureRedirectMask, &ev);
4608                 switch (ev.type) {
4609                 case ConfigureRequest:
4610                 case Expose:
4611                 case MapRequest:
4612                         handler[ev.type](&ev);
4613                         break;
4614                 case MotionNotify:
4615                         X(win) = ev.xmotion.x_root - qpr->win_x - border_width;
4616                         Y(win) = ev.xmotion.y_root - qpr->win_y - border_width;
4617
4618                         constrain_window(win, r, 0);
4619
4620                         /* not free, don't sync more than 120 times / second */
4621                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4622                                 time = ev.xmotion.time;
4623                                 do_sync();
4624                                 update_window(win);
4625                         }
4626                         break;
4627                 }
4628         } while (ev.type != ButtonRelease);
4629         if (time) {
4630                 do_sync();
4631                 update_window(win);
4632         }
4633         store_float_geom(win, r);
4634         free(qpr);
4635         xcb_free_cursor(conn, cursor);
4636         xcb_close_font(conn, cursor_font);
4637         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4638
4639         /* drain events */
4640         drain_enter_notify();
4641 }
4642
4643 void
4644 move_step(struct swm_region *r, union arg *args)
4645 {
4646         struct ws_win           *win = NULL;
4647
4648         if (r && r->ws && r->ws->focus)
4649                 win = r->ws->focus;
4650         else
4651                 return;
4652
4653         if (!(win->transient != 0 || win->floating != 0))
4654                 return;
4655
4656         move(win, args);
4657 }
4658
4659
4660 /* user/key callable function IDs */
4661 enum keyfuncid {
4662         kf_cycle_layout,
4663         kf_flip_layout,
4664         kf_stack_reset,
4665         kf_master_shrink,
4666         kf_master_grow,
4667         kf_master_add,
4668         kf_master_del,
4669         kf_stack_inc,
4670         kf_stack_dec,
4671         kf_swap_main,
4672         kf_focus_next,
4673         kf_focus_prev,
4674         kf_swap_next,
4675         kf_swap_prev,
4676         kf_quit,
4677         kf_restart,
4678         kf_focus_main,
4679         kf_ws_1,
4680         kf_ws_2,
4681         kf_ws_3,
4682         kf_ws_4,
4683         kf_ws_5,
4684         kf_ws_6,
4685         kf_ws_7,
4686         kf_ws_8,
4687         kf_ws_9,
4688         kf_ws_10,
4689         kf_ws_11,
4690         kf_ws_12,
4691         kf_ws_13,
4692         kf_ws_14,
4693         kf_ws_15,
4694         kf_ws_16,
4695         kf_ws_17,
4696         kf_ws_18,
4697         kf_ws_19,
4698         kf_ws_20,
4699         kf_ws_21,
4700         kf_ws_22,
4701         kf_ws_next,
4702         kf_ws_prev,
4703         kf_ws_next_all,
4704         kf_ws_prev_all,
4705         kf_ws_prior,
4706         kf_screen_next,
4707         kf_screen_prev,
4708         kf_mvws_1,
4709         kf_mvws_2,
4710         kf_mvws_3,
4711         kf_mvws_4,
4712         kf_mvws_5,
4713         kf_mvws_6,
4714         kf_mvws_7,
4715         kf_mvws_8,
4716         kf_mvws_9,
4717         kf_mvws_10,
4718         kf_mvws_11,
4719         kf_mvws_12,
4720         kf_mvws_13,
4721         kf_mvws_14,
4722         kf_mvws_15,
4723         kf_mvws_16,
4724         kf_mvws_17,
4725         kf_mvws_18,
4726         kf_mvws_19,
4727         kf_mvws_20,
4728         kf_mvws_21,
4729         kf_mvws_22,
4730         kf_bar_toggle,
4731         kf_wind_kill,
4732         kf_wind_del,
4733         kf_float_toggle,
4734         kf_version,
4735         kf_spawn_custom,
4736         kf_iconify,
4737         kf_uniconify,
4738         kf_raise_toggle,
4739         kf_button2,
4740         kf_width_shrink,
4741         kf_width_grow,
4742         kf_height_shrink,
4743         kf_height_grow,
4744         kf_move_left,
4745         kf_move_right,
4746         kf_move_up,
4747         kf_move_down,
4748         kf_name_workspace,
4749         kf_search_workspace,
4750         kf_search_win,
4751         kf_dumpwins, /* MUST BE LAST */
4752         kf_invalid
4753 };
4754
4755 /* key definitions */
4756 void
4757 dummykeyfunc(struct swm_region *r, union arg *args)
4758 {
4759 };
4760
4761 struct keyfunc {
4762         char                    name[SWM_FUNCNAME_LEN];
4763         void                    (*func)(struct swm_region *r, union arg *);
4764         union arg               args;
4765 } keyfuncs[kf_invalid + 1] = {
4766         /* name                 function        argument */
4767         { "cycle_layout",       cycle_layout,   {0} },
4768         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4769         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4770         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4771         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4772         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4773         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4774         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4775         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4776         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4777         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4778         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4779         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4780         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4781         { "quit",               quit,           {0} },
4782         { "restart",            restart,        {0} },
4783         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4784         { "ws_1",               switchws,       {.id = 0} },
4785         { "ws_2",               switchws,       {.id = 1} },
4786         { "ws_3",               switchws,       {.id = 2} },
4787         { "ws_4",               switchws,       {.id = 3} },
4788         { "ws_5",               switchws,       {.id = 4} },
4789         { "ws_6",               switchws,       {.id = 5} },
4790         { "ws_7",               switchws,       {.id = 6} },
4791         { "ws_8",               switchws,       {.id = 7} },
4792         { "ws_9",               switchws,       {.id = 8} },
4793         { "ws_10",              switchws,       {.id = 9} },
4794         { "ws_11",              switchws,       {.id = 10} },
4795         { "ws_12",              switchws,       {.id = 11} },
4796         { "ws_13",              switchws,       {.id = 12} },
4797         { "ws_14",              switchws,       {.id = 13} },
4798         { "ws_15",              switchws,       {.id = 14} },
4799         { "ws_16",              switchws,       {.id = 15} },
4800         { "ws_17",              switchws,       {.id = 16} },
4801         { "ws_18",              switchws,       {.id = 17} },
4802         { "ws_19",              switchws,       {.id = 18} },
4803         { "ws_20",              switchws,       {.id = 19} },
4804         { "ws_21",              switchws,       {.id = 20} },
4805         { "ws_22",              switchws,       {.id = 21} },
4806         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4807         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4808         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4809         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4810         { "ws_prior",           priorws,        {0} },
4811         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4812         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4813         { "mvws_1",             send_to_ws,     {.id = 0} },
4814         { "mvws_2",             send_to_ws,     {.id = 1} },
4815         { "mvws_3",             send_to_ws,     {.id = 2} },
4816         { "mvws_4",             send_to_ws,     {.id = 3} },
4817         { "mvws_5",             send_to_ws,     {.id = 4} },
4818         { "mvws_6",             send_to_ws,     {.id = 5} },
4819         { "mvws_7",             send_to_ws,     {.id = 6} },
4820         { "mvws_8",             send_to_ws,     {.id = 7} },
4821         { "mvws_9",             send_to_ws,     {.id = 8} },
4822         { "mvws_10",            send_to_ws,     {.id = 9} },
4823         { "mvws_11",            send_to_ws,     {.id = 10} },
4824         { "mvws_12",            send_to_ws,     {.id = 11} },
4825         { "mvws_13",            send_to_ws,     {.id = 12} },
4826         { "mvws_14",            send_to_ws,     {.id = 13} },
4827         { "mvws_15",            send_to_ws,     {.id = 14} },
4828         { "mvws_16",            send_to_ws,     {.id = 15} },
4829         { "mvws_17",            send_to_ws,     {.id = 16} },
4830         { "mvws_18",            send_to_ws,     {.id = 17} },
4831         { "mvws_19",            send_to_ws,     {.id = 18} },
4832         { "mvws_20",            send_to_ws,     {.id = 19} },
4833         { "mvws_21",            send_to_ws,     {.id = 20} },
4834         { "mvws_22",            send_to_ws,     {.id = 21} },
4835         { "bar_toggle",         bar_toggle,     {0} },
4836         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4837         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4838         { "float_toggle",       floating_toggle,{0} },
4839         { "version",            version,        {0} },
4840         { "spawn_custom",       dummykeyfunc,   {0} },
4841         { "iconify",            iconify,        {0} },
4842         { "uniconify",          uniconify,      {0} },
4843         { "raise_toggle",       raise_toggle,   {0} },
4844         { "button2",            pressbutton,    {2} },
4845         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4846         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4847         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4848         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4849         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4850         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4851         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4852         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4853         { "name_workspace",     name_workspace, {0} },
4854         { "search_workspace",   search_workspace,       {0} },
4855         { "search_win",         search_win,     {0} },
4856         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4857         { "invalid key func",   NULL,           {0} },
4858 };
4859 struct key {
4860         RB_ENTRY(key)           entry;
4861         unsigned int            mod;
4862         KeySym                  keysym;
4863         enum keyfuncid          funcid;
4864         char                    *spawn_name;
4865 };
4866 RB_HEAD(key_tree, key);
4867
4868 int
4869 key_cmp(struct key *kp1, struct key *kp2)
4870 {
4871         if (kp1->keysym < kp2->keysym)
4872                 return (-1);
4873         if (kp1->keysym > kp2->keysym)
4874                 return (1);
4875
4876         if (kp1->mod < kp2->mod)
4877                 return (-1);
4878         if (kp1->mod > kp2->mod)
4879                 return (1);
4880
4881         return (0);
4882 }
4883
4884 RB_GENERATE(key_tree, key, entry, key_cmp);
4885 struct key_tree                 keys;
4886
4887 /* mouse */
4888 enum { client_click, root_click };
4889 struct button {
4890         unsigned int            action;
4891         unsigned int            mask;
4892         unsigned int            button;
4893         void                    (*func)(struct ws_win *, union arg *);
4894         union arg               args;
4895 } buttons[] = {
4896           /* action     key             mouse button    func    args */
4897         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4898         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4899         { client_click, MODKEY,         Button1,        move,   {0} },
4900 };
4901
4902 void
4903 update_modkey(unsigned int mod)
4904 {
4905         int                     i;
4906         struct key              *kp;
4907
4908         mod_key = mod;
4909         RB_FOREACH(kp, key_tree, &keys)
4910                 if (kp->mod & ShiftMask)
4911                         kp->mod = mod | ShiftMask;
4912                 else
4913                         kp->mod = mod;
4914
4915         for (i = 0; i < LENGTH(buttons); i++)
4916                 if (buttons[i].mask & ShiftMask)
4917                         buttons[i].mask = mod | ShiftMask;
4918                 else
4919                         buttons[i].mask = mod;
4920 }
4921
4922 /* spawn */
4923 struct spawn_prog {
4924         TAILQ_ENTRY(spawn_prog) entry;
4925         char                    *name;
4926         int                     argc;
4927         char                    **argv;
4928 };
4929 TAILQ_HEAD(spawn_list, spawn_prog);
4930 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4931
4932 int
4933 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4934     char ***ret_args)
4935 {
4936         struct spawn_prog       *prog = NULL;
4937         int                     i;
4938         char                    *ap, **real_args;
4939
4940         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4941
4942         /* find program */
4943         TAILQ_FOREACH(prog, &spawns, entry) {
4944                 if (!strcasecmp(spawn_name, prog->name))
4945                         break;
4946         }
4947         if (prog == NULL) {
4948                 warnx("spawn_custom: program %s not found", spawn_name);
4949                 return (-1);
4950         }
4951
4952         /* make room for expanded args */
4953         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4954                 err(1, "spawn_custom: calloc real_args");
4955
4956         /* expand spawn_args into real_args */
4957         for (i = 0; i < prog->argc; i++) {
4958                 ap = prog->argv[i];
4959                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4960                 if (!strcasecmp(ap, "$bar_border")) {
4961                         if ((real_args[i] =
4962                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4963                             == NULL)
4964                                 err(1,  "spawn_custom border color");
4965                 } else if (!strcasecmp(ap, "$bar_color")) {
4966                         if ((real_args[i] =
4967                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4968                             == NULL)
4969                                 err(1, "spawn_custom bar color");
4970                 } else if (!strcasecmp(ap, "$bar_font")) {
4971                         if ((real_args[i] = strdup(bar_fonts))
4972                             == NULL)
4973                                 err(1, "spawn_custom bar fonts");
4974                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4975                         if ((real_args[i] =
4976                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4977                             == NULL)
4978                                 err(1, "spawn_custom color font");
4979                 } else if (!strcasecmp(ap, "$color_focus")) {
4980                         if ((real_args[i] =
4981                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4982                             == NULL)
4983                                 err(1, "spawn_custom color focus");
4984                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4985                         if ((real_args[i] =
4986                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4987                             == NULL)
4988                                 err(1, "spawn_custom color unfocus");
4989                 } else {
4990                         /* no match --> copy as is */
4991                         if ((real_args[i] = strdup(ap)) == NULL)
4992                                 err(1, "spawn_custom strdup(ap)");
4993                 }
4994                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4995                     real_args[i]);
4996         }
4997
4998 #ifdef SWM_DEBUG
4999         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5000         for (i = 0; i < prog->argc; i++)
5001                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5002         DNPRINTF(SWM_D_SPAWN, "\n");
5003 #endif
5004         *ret_args = real_args;
5005         return (prog->argc);
5006 }
5007
5008 void
5009 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
5010 {
5011         union arg               a;
5012         char                    **real_args;
5013         int                     spawn_argc, i;
5014
5015         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5016                 return;
5017         a.argv = real_args;
5018         if (fork() == 0)
5019                 spawn(r->ws->idx, &a, 1);
5020
5021         for (i = 0; i < spawn_argc; i++)
5022                 free(real_args[i]);
5023         free(real_args);
5024 }
5025
5026 void
5027 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
5028 {
5029         union arg               a;
5030         char                    **real_args;
5031         int                     i, spawn_argc;
5032
5033         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5034                 return;
5035         a.argv = real_args;
5036
5037         if (pipe(select_list_pipe) == -1)
5038                 err(1, "pipe error");
5039         if (pipe(select_resp_pipe) == -1)
5040                 err(1, "pipe error");
5041
5042         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5043                 err(1, "could not disable SIGPIPE");
5044         switch (*pid = fork()) {
5045         case -1:
5046                 err(1, "cannot fork");
5047                 break;
5048         case 0: /* child */
5049                 if (dup2(select_list_pipe[0], 0) == -1)
5050                         err(1, "dup2");
5051                 if (dup2(select_resp_pipe[1], 1) == -1)
5052                         err(1, "dup2");
5053                 close(select_list_pipe[1]);
5054                 close(select_resp_pipe[0]);
5055                 spawn(r->ws->idx, &a, 0);
5056                 break;
5057         default: /* parent */
5058                 close(select_list_pipe[0]);
5059                 close(select_resp_pipe[1]);
5060                 break;
5061         }
5062
5063         for (i = 0; i < spawn_argc; i++)
5064                 free(real_args[i]);
5065         free(real_args);
5066 }
5067
5068 void
5069 spawn_insert(char *name, char *args)
5070 {
5071         char                    *arg, *cp, *ptr;
5072         struct spawn_prog       *sp;
5073
5074         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5075
5076         if ((sp = calloc(1, sizeof *sp)) == NULL)
5077                 err(1, "spawn_insert: malloc");
5078         if ((sp->name = strdup(name)) == NULL)
5079                 err(1, "spawn_insert: strdup");
5080
5081         /* convert the arguments to an argument list */
5082         if ((ptr = cp = strdup(args)) == NULL)
5083                 err(1, "spawn_insert: strdup");
5084         while ((arg = strsep(&ptr, " \t")) != NULL) {
5085                 /* empty field; skip it */
5086                 if (*arg == '\0')
5087                         continue;
5088
5089                 sp->argc++;
5090                 if ((sp->argv = realloc(sp->argv, sp->argc *
5091                     sizeof *sp->argv)) == NULL)
5092                         err(1, "spawn_insert: realloc");
5093                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5094                         err(1, "spawn_insert: strdup");
5095         }
5096         free(cp);
5097
5098         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5099         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5100 }
5101
5102 void
5103 spawn_remove(struct spawn_prog *sp)
5104 {
5105         int                     i;
5106
5107         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5108
5109         TAILQ_REMOVE(&spawns, sp, entry);
5110         for (i = 0; i < sp->argc; i++)
5111                 free(sp->argv[i]);
5112         free(sp->argv);
5113         free(sp->name);
5114         free(sp);
5115
5116         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5117 }
5118
5119 void
5120 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5121 {
5122         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5123
5124         spawn_remove(sp);
5125         spawn_insert(name, args);
5126
5127         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5128 }
5129
5130 void
5131 setspawn(char *name, char *args)
5132 {
5133         struct spawn_prog       *sp;
5134
5135         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5136
5137         if (name == NULL)
5138                 return;
5139
5140         TAILQ_FOREACH(sp, &spawns, entry) {
5141                 if (!strcmp(sp->name, name)) {
5142                         if (*args == '\0')
5143                                 spawn_remove(sp);
5144                         else
5145                                 spawn_replace(sp, name, args);
5146                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5147                         return;
5148                 }
5149         }
5150         if (*args == '\0') {
5151                 warnx("error: setspawn: cannot find program: %s", name);
5152                 return;
5153         }
5154
5155         spawn_insert(name, args);
5156         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5157 }
5158
5159 int
5160 setconfspawn(char *selector, char *value, int flags)
5161 {
5162         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5163
5164         setspawn(selector, value);
5165
5166         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5167         return (0);
5168 }
5169
5170 void
5171 setup_spawn(void)
5172 {
5173         setconfspawn("term",            "xterm",                0);
5174         setconfspawn("spawn_term",      "xterm",                0);
5175         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5176         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5177         setconfspawn("lock",            "xlock",                0);
5178         setconfspawn("initscr",         "initscreen.sh",        0);
5179         setconfspawn("menu",            "dmenu_run"
5180                                         " -fn $bar_font"
5181                                         " -nb $bar_color"
5182                                         " -nf $bar_font_color"
5183                                         " -sb $bar_border"
5184                                         " -sf $bar_color",      0);
5185         setconfspawn("search",          "dmenu"
5186                                         " -i"
5187                                         " -fn $bar_font"
5188                                         " -nb $bar_color"
5189                                         " -nf $bar_font_color"
5190                                         " -sb $bar_border"
5191                                         " -sf $bar_color",      0);
5192         setconfspawn("name_workspace",  "dmenu"
5193                                         " -p Workspace"
5194                                         " -fn $bar_font"
5195                                         " -nb $bar_color"
5196                                         " -nf $bar_font_color"
5197                                         " -sb $bar_border"
5198                                         " -sf $bar_color",      0);
5199 }
5200
5201 /* key bindings */
5202 #define SWM_MODNAME_SIZE        32
5203 #define SWM_KEY_WS              "\n+ \t"
5204 int
5205 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5206 {
5207         char                    *cp, *name;
5208         KeySym                  uks;
5209         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5210         if (mod == NULL || ks == NULL) {
5211                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5212                 return (1);
5213         }
5214         if (keystr == NULL || strlen(keystr) == 0) {
5215                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5216                 return (1);
5217         }
5218         cp = keystr;
5219         *ks = NoSymbol;
5220         *mod = 0;
5221         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5222                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5223                 if (cp)
5224                         cp += (long)strspn(cp, SWM_KEY_WS);
5225                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5226                         *mod |= currmod;
5227                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5228                         *mod |= Mod1Mask;
5229                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5230                         *mod += Mod2Mask;
5231                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5232                         *mod |= Mod3Mask;
5233                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5234                         *mod |= Mod4Mask;
5235                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5236                         *mod |= ShiftMask;
5237                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5238                         *mod |= ControlMask;
5239                 else {
5240                         *ks = XStringToKeysym(name);
5241                         XConvertCase(*ks, ks, &uks);
5242                         if (ks == NoSymbol) {
5243                                 DNPRINTF(SWM_D_KEY,
5244                                     "parsekeys: invalid key %s\n",
5245                                     name);
5246                                 return (1);
5247                         }
5248                 }
5249         }
5250         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5251         return (0);
5252 }
5253
5254 char *
5255 strdupsafe(char *str)
5256 {
5257         if (str == NULL)
5258                 return (NULL);
5259         else
5260                 return (strdup(str));
5261 }
5262
5263 void
5264 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5265 {
5266         struct key              *kp;
5267
5268         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5269             keyfuncs[kfid].name, spawn_name);
5270
5271         if ((kp = malloc(sizeof *kp)) == NULL)
5272                 err(1, "key_insert: malloc");
5273
5274         kp->mod = mod;
5275         kp->keysym = ks;
5276         kp->funcid = kfid;
5277         kp->spawn_name = strdupsafe(spawn_name);
5278         RB_INSERT(key_tree, &keys, kp);
5279
5280         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5281 }
5282
5283 struct key *
5284 key_lookup(unsigned int mod, KeySym ks)
5285 {
5286         struct key              kp;
5287
5288         kp.keysym = ks;
5289         kp.mod = mod;
5290
5291         return (RB_FIND(key_tree, &keys, &kp));
5292 }
5293
5294 void
5295 key_remove(struct key *kp)
5296 {
5297         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5298
5299         RB_REMOVE(key_tree, &keys, kp);
5300         free(kp->spawn_name);
5301         free(kp);
5302
5303         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5304 }
5305
5306 void
5307 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5308     char *spawn_name)
5309 {
5310         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5311             spawn_name);
5312
5313         key_remove(kp);
5314         key_insert(mod, ks, kfid, spawn_name);
5315
5316         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5317 }
5318
5319 void
5320 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5321     char *spawn_name)
5322 {
5323         struct key              *kp;
5324
5325         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5326             keyfuncs[kfid].name, spawn_name);
5327
5328         if ((kp = key_lookup(mod, ks)) != NULL) {
5329                 if (kfid == kf_invalid)
5330                         key_remove(kp);
5331                 else
5332                         key_replace(kp, mod, ks, kfid, spawn_name);
5333                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5334                 return;
5335         }
5336         if (kfid == kf_invalid) {
5337                 warnx("error: setkeybinding: cannot find mod/key combination");
5338                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5339                 return;
5340         }
5341
5342         key_insert(mod, ks, kfid, spawn_name);
5343         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5344 }
5345
5346 int
5347 setconfbinding(char *selector, char *value, int flags)
5348 {
5349         enum keyfuncid          kfid;
5350         unsigned int            mod;
5351         KeySym                  ks;
5352         struct spawn_prog       *sp;
5353         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5354         if (selector == NULL) {
5355                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5356                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5357                         kfid = kf_invalid;
5358                         setkeybinding(mod, ks, kfid, NULL);
5359                         return (0);
5360                 } else
5361                         return (1);
5362         }
5363         /* search by key function name */
5364         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5365                 if (strncasecmp(selector, keyfuncs[kfid].name,
5366                     SWM_FUNCNAME_LEN) == 0) {
5367                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5368                             selector);
5369                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5370                                 setkeybinding(mod, ks, kfid, NULL);
5371                                 return (0);
5372                         } else
5373                                 return (1);
5374                 }
5375         }
5376         /* search by custom spawn name */
5377         TAILQ_FOREACH(sp, &spawns, entry) {
5378                 if (strcasecmp(selector, sp->name) == 0) {
5379                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5380                             selector);
5381                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5382                                 setkeybinding(mod, ks, kf_spawn_custom,
5383                                     sp->name);
5384                                 return (0);
5385                         } else
5386                                 return (1);
5387                 }
5388         }
5389         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5390         return (1);
5391 }
5392
5393 void
5394 setup_keys(void)
5395 {
5396         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5397         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5398         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5399         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5400         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5401         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5402         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5403         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5404         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5405         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5406         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5407         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5408         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5409         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5410         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5411         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5412         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5413         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5414         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5415         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5416         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5417         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5418         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5419         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5420         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5421         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5422         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5423         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5424         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5425         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5426         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5427         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5428         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5429         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5430         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5431         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5432         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5433         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5434         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5435         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5436         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5437         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5438         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5439         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5440         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5441         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5442         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5443         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5444         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5445         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5446         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5447         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5448         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5449         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5450         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5451         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5452         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5453         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5454         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5455         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5456         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5457         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5458         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5459         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5460         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5461         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5462         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5463         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5464         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5465         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5466         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5467         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5468         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5469         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5470         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5471         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5472         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5473         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5474         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5475         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5476         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5477         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5478         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5479         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5480         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5481         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5482         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5483         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5484         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5485         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5486         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5487         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5488         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5489         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5490         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5491         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5492 #ifdef SWM_DEBUG
5493         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5494 #endif
5495 }
5496
5497 void
5498 clear_keys(void)
5499 {
5500         struct key              *kp;
5501
5502         while (RB_EMPTY(&keys) == 0) {
5503                 kp = RB_ROOT(&keys);
5504                 key_remove(kp);
5505         }
5506 }
5507
5508 int
5509 setkeymapping(char *selector, char *value, int flags)
5510 {
5511         char                    keymapping_file[PATH_MAX];
5512         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5513         if (value[0] == '~')
5514                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5515                     pwd->pw_dir, &value[1]);
5516         else
5517                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5518         clear_keys();
5519         /* load new key bindings; if it fails, revert to default bindings */
5520         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5521                 clear_keys();
5522                 setup_keys();
5523         }
5524         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5525         return (0);
5526 }
5527
5528 void
5529 updatenumlockmask(void)
5530 {
5531         unsigned int                            i, j;
5532         xcb_get_modifier_mapping_reply_t        *modmap_r;
5533         xcb_keycode_t                           *modmap, kc;
5534         xcb_key_symbols_t                       *syms;
5535
5536         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5537         numlockmask = 0;
5538
5539         syms = xcb_key_symbols_alloc(conn);
5540         if (!syms)
5541                 return;
5542
5543         modmap_r = xcb_get_modifier_mapping_reply(conn,
5544                 xcb_get_modifier_mapping(conn),
5545                 NULL);
5546         if (modmap_r) {
5547                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5548                 for (i = 0; i < 8; i++) {
5549                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5550                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5551                                         + j];
5552
5553                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5554                                                 XK_Num_Lock)))
5555                                         numlockmask = (1 << i);
5556                         }
5557                 }
5558                 free(modmap_r);
5559         }
5560         xcb_key_symbols_free(syms);
5561 }
5562
5563 void
5564 grabkeys(void)
5565 {
5566         int                     num_screens;
5567         unsigned int            j, k;
5568         KeyCode                 code;
5569         unsigned int            modifiers[] =
5570             { 0, LockMask, numlockmask, numlockmask | LockMask };
5571         struct key              *kp;
5572
5573         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5574         updatenumlockmask();
5575
5576         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5577         for (k = 0; k < num_screens; k++) {
5578                 if (TAILQ_EMPTY(&screens[k].rl))
5579                         continue;
5580                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5581                         XCB_MOD_MASK_ANY);
5582                 RB_FOREACH(kp, key_tree, &keys) {
5583                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5584                                 for (j = 0; j < LENGTH(modifiers); j++)
5585                                         XGrabKey(display, code,
5586                                             kp->mod | modifiers[j],
5587                                             screens[k].root, True,
5588                                             GrabModeAsync, GrabModeAsync);
5589                 }
5590         }
5591 }
5592
5593 void
5594 grabbuttons(struct ws_win *win, int focused)
5595 {
5596         unsigned int            i, j;
5597         unsigned int            modifiers[] =
5598             { 0, LockMask, numlockmask, numlockmask|LockMask };
5599
5600         updatenumlockmask();
5601         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5602                 XCB_BUTTON_MASK_ANY);
5603         if (focused) {
5604                 for (i = 0; i < LENGTH(buttons); i++)
5605                         if (buttons[i].action == client_click)
5606                                 for (j = 0; j < LENGTH(modifiers); j++)
5607                                         xcb_grab_button(conn, False, win->id,
5608                                                 BUTTONMASK,
5609                                                 XCB_GRAB_MODE_ASYNC,
5610                                                 XCB_GRAB_MODE_SYNC,
5611                                                 XCB_WINDOW_NONE,
5612                                                 XCB_CURSOR_NONE,
5613                                                 buttons[i].button,
5614                                                 buttons[i].mask);
5615         } else
5616                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5617                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5618                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5619                         XCB_BUTTON_MASK_ANY);
5620 }
5621
5622 const char *quirkname[] = {
5623         "NONE",         /* config string for "no value" */
5624         "FLOAT",
5625         "TRANSSZ",
5626         "ANYWHERE",
5627         "XTERM_FONTADJ",
5628         "FULLSCREEN",
5629         "FOCUSPREV",
5630 };
5631
5632 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5633 #define SWM_Q_WS                "\n|+ \t"
5634 int
5635 parsequirks(char *qstr, unsigned long *quirk)
5636 {
5637         char                    *cp, *name;
5638         int                     i;
5639
5640         if (quirk == NULL)
5641                 return (1);
5642
5643         cp = qstr;
5644         *quirk = 0;
5645         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5646                 if (cp)
5647                         cp += (long)strspn(cp, SWM_Q_WS);
5648                 for (i = 0; i < LENGTH(quirkname); i++) {
5649                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5650                                 DNPRINTF(SWM_D_QUIRK,
5651                                     "parsequirks: %s\n", name);
5652                                 if (i == 0) {
5653                                         *quirk = 0;
5654                                         return (0);
5655                                 }
5656                                 *quirk |= 1 << (i-1);
5657                                 break;
5658                         }
5659                 }
5660                 if (i >= LENGTH(quirkname)) {
5661                         DNPRINTF(SWM_D_QUIRK,
5662                             "parsequirks: invalid quirk [%s]\n", name);
5663                         return (1);
5664                 }
5665         }
5666         return (0);
5667 }
5668
5669 void
5670 quirk_insert(const char *class, const char *name, unsigned long quirk)
5671 {
5672         struct quirk            *qp;
5673
5674         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5675             quirk);
5676
5677         if ((qp = malloc(sizeof *qp)) == NULL)
5678                 err(1, "quirk_insert: malloc");
5679         if ((qp->class = strdup(class)) == NULL)
5680                 err(1, "quirk_insert: strdup");
5681         if ((qp->name = strdup(name)) == NULL)
5682                 err(1, "quirk_insert: strdup");
5683
5684         qp->quirk = quirk;
5685         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5686
5687         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5688 }
5689
5690 void
5691 quirk_remove(struct quirk *qp)
5692 {
5693         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5694             qp->name, qp->quirk);
5695
5696         TAILQ_REMOVE(&quirks, qp, entry);
5697         free(qp->class);
5698         free(qp->name);
5699         free(qp);
5700
5701         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5702 }
5703
5704 void
5705 quirk_replace(struct quirk *qp, const char *class, const char *name,
5706     unsigned long quirk)
5707 {
5708         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5709             qp->name, qp->quirk);
5710
5711         quirk_remove(qp);
5712         quirk_insert(class, name, quirk);
5713
5714         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5715 }
5716
5717 void
5718 setquirk(const char *class, const char *name, unsigned long quirk)
5719 {
5720         struct quirk            *qp;
5721
5722         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5723            quirk);
5724
5725         TAILQ_FOREACH(qp, &quirks, entry) {
5726                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5727                         if (!quirk)
5728                                 quirk_remove(qp);
5729                         else
5730                                 quirk_replace(qp, class, name, quirk);
5731                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5732                         return;
5733                 }
5734         }
5735         if (!quirk) {
5736                 warnx("error: setquirk: cannot find class/name combination");
5737                 return;
5738         }
5739
5740         quirk_insert(class, name, quirk);
5741         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5742 }
5743
5744 int
5745 setconfquirk(char *selector, char *value, int flags)
5746 {
5747         char                    *cp, *class, *name;
5748         int                     retval;
5749         unsigned long           quirks;
5750         if (selector == NULL)
5751                 return (0);
5752         if ((cp = strchr(selector, ':')) == NULL)
5753                 return (0);
5754         *cp = '\0';
5755         class = selector;
5756         name = cp + 1;
5757         if ((retval = parsequirks(value, &quirks)) == 0)
5758                 setquirk(class, name, quirks);
5759         return (retval);
5760 }
5761
5762 void
5763 setup_quirks(void)
5764 {
5765         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5766         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5767         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5768         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5769         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5770         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5771         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5772         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5773         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5774         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5775         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5776         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5777         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5778 }
5779
5780 /* conf file stuff */
5781 #define SWM_CONF_FILE           "spectrwm.conf"
5782 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5783
5784 enum {
5785         SWM_S_BAR_ACTION,
5786         SWM_S_BAR_AT_BOTTOM,
5787         SWM_S_BAR_BORDER_WIDTH,
5788         SWM_S_BAR_DELAY,
5789         SWM_S_BAR_ENABLED,
5790         SWM_S_BAR_FONT,
5791         SWM_S_BAR_FORMAT,
5792         SWM_S_BAR_JUSTIFY,
5793         SWM_S_BORDER_WIDTH,
5794         SWM_S_CLOCK_ENABLED,
5795         SWM_S_CLOCK_FORMAT,
5796         SWM_S_CYCLE_EMPTY,
5797         SWM_S_CYCLE_VISIBLE,
5798         SWM_S_DIALOG_RATIO,
5799         SWM_S_DISABLE_BORDER,
5800         SWM_S_FOCUS_CLOSE,
5801         SWM_S_FOCUS_CLOSE_WRAP,
5802         SWM_S_FOCUS_DEFAULT,
5803         SWM_S_FOCUS_MODE,
5804         SWM_S_SPAWN_ORDER,
5805         SWM_S_SPAWN_TERM,
5806         SWM_S_SS_APP,
5807         SWM_S_SS_ENABLED,
5808         SWM_S_STACK_ENABLED,
5809         SWM_S_TERM_WIDTH,
5810         SWM_S_TITLE_CLASS_ENABLED,
5811         SWM_S_TITLE_NAME_ENABLED,
5812         SWM_S_URGENT_ENABLED,
5813         SWM_S_VERBOSE_LAYOUT,
5814         SWM_S_WINDOW_NAME_ENABLED,
5815         SWM_S_WORKSPACE_LIMIT
5816 };
5817
5818 int
5819 setconfvalue(char *selector, char *value, int flags)
5820 {
5821         int     i;
5822         char    *b;
5823
5824         switch (flags) {
5825         case SWM_S_BAR_ACTION:
5826                 free(bar_argv[0]);
5827                 if ((bar_argv[0] = strdup(value)) == NULL)
5828                         err(1, "setconfvalue: bar_action");
5829                 break;
5830         case SWM_S_BAR_AT_BOTTOM:
5831                 bar_at_bottom = atoi(value);
5832                 break;
5833         case SWM_S_BAR_BORDER_WIDTH:
5834                 bar_border_width = atoi(value);
5835                 if (bar_border_width < 0)
5836                         bar_border_width = 0;
5837                 break;
5838         case SWM_S_BAR_DELAY:
5839                 bar_delay = atoi(value);
5840                 break;
5841         case SWM_S_BAR_ENABLED:
5842                 bar_enabled = atoi(value);
5843                 break;
5844         case SWM_S_BAR_FONT:
5845                 b = bar_fonts;
5846                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5847                         err(1, "setconfvalue: asprintf: failed to allocate "
5848                                 "memory for bar_fonts.");
5849
5850                 free(b);
5851                 break;
5852         case SWM_S_BAR_FORMAT:
5853                 free(bar_format);
5854                 if ((bar_format = strdup(value)) == NULL)
5855                         err(1, "setconfvalue: bar_format");
5856                 break;
5857         case SWM_S_BAR_JUSTIFY:
5858                 if (!strcmp(value, "left"))
5859                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5860                 else if (!strcmp(value, "center"))
5861                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5862                 else if (!strcmp(value, "right"))
5863                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5864                 else
5865                         errx(1, "invalid bar_justify");
5866                 break;
5867         case SWM_S_BORDER_WIDTH:
5868                 border_width = atoi(value);
5869                 if (border_width < 0)
5870                         border_width = 0;
5871                 break;
5872         case SWM_S_CLOCK_ENABLED:
5873                 clock_enabled = atoi(value);
5874                 break;
5875         case SWM_S_CLOCK_FORMAT:
5876 #ifndef SWM_DENY_CLOCK_FORMAT
5877                 free(clock_format);
5878                 if ((clock_format = strdup(value)) == NULL)
5879                         err(1, "setconfvalue: clock_format");
5880 #endif
5881                 break;
5882         case SWM_S_CYCLE_EMPTY:
5883                 cycle_empty = atoi(value);
5884                 break;
5885         case SWM_S_CYCLE_VISIBLE:
5886                 cycle_visible = atoi(value);
5887                 break;
5888         case SWM_S_DIALOG_RATIO:
5889                 dialog_ratio = atof(value);
5890                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5891                         dialog_ratio = .6;
5892                 break;
5893         case SWM_S_DISABLE_BORDER:
5894                 disable_border = atoi(value);
5895                 break;
5896         case SWM_S_FOCUS_CLOSE:
5897                 if (!strcmp(value, "first"))
5898                         focus_close = SWM_STACK_BOTTOM;
5899                 else if (!strcmp(value, "last"))
5900                         focus_close = SWM_STACK_TOP;
5901                 else if (!strcmp(value, "next"))
5902                         focus_close = SWM_STACK_ABOVE;
5903                 else if (!strcmp(value, "previous"))
5904                         focus_close = SWM_STACK_BELOW;
5905                 else
5906                         errx(1, "focus_close");
5907                 break;
5908         case SWM_S_FOCUS_CLOSE_WRAP:
5909                 focus_close_wrap = atoi(value);
5910                 break;
5911         case SWM_S_FOCUS_DEFAULT:
5912                 if (!strcmp(value, "last"))
5913                         focus_default = SWM_STACK_TOP;
5914                 else if (!strcmp(value, "first"))
5915                         focus_default = SWM_STACK_BOTTOM;
5916                 else
5917                         errx(1, "focus_default");
5918                 break;
5919         case SWM_S_FOCUS_MODE:
5920                 if (!strcmp(value, "default"))
5921                         focus_mode = SWM_FOCUS_DEFAULT;
5922                 else if (!strcmp(value, "follow_cursor"))
5923                         focus_mode = SWM_FOCUS_FOLLOW;
5924                 else if (!strcmp(value, "synergy"))
5925                         focus_mode = SWM_FOCUS_SYNERGY;
5926                 else
5927                         errx(1, "focus_mode");
5928                 break;
5929         case SWM_S_SPAWN_ORDER:
5930                 if (!strcmp(value, "first"))
5931                         spawn_position = SWM_STACK_BOTTOM;
5932                 else if (!strcmp(value, "last"))
5933                         spawn_position = SWM_STACK_TOP;
5934                 else if (!strcmp(value, "next"))
5935                         spawn_position = SWM_STACK_ABOVE;
5936                 else if (!strcmp(value, "previous"))
5937                         spawn_position = SWM_STACK_BELOW;
5938                 else
5939                         errx(1, "spawn_position");
5940                 break;
5941         case SWM_S_SPAWN_TERM:
5942                 setconfspawn("term", value, 0);
5943                 setconfspawn("spawn_term", value, 0);
5944                 break;
5945         case SWM_S_SS_APP:
5946                 break;
5947         case SWM_S_SS_ENABLED:
5948                 ss_enabled = atoi(value);
5949                 break;
5950         case SWM_S_STACK_ENABLED:
5951                 stack_enabled = atoi(value);
5952                 break;
5953         case SWM_S_TERM_WIDTH:
5954                 term_width = atoi(value);
5955                 if (term_width < 0)
5956                         term_width = 0;
5957                 break;
5958         case SWM_S_TITLE_CLASS_ENABLED:
5959                 title_class_enabled = atoi(value);
5960                 break;
5961         case SWM_S_TITLE_NAME_ENABLED:
5962                 title_name_enabled = atoi(value);
5963                 break;
5964         case SWM_S_URGENT_ENABLED:
5965                 urgent_enabled = atoi(value);
5966                 break;
5967         case SWM_S_VERBOSE_LAYOUT:
5968                 verbose_layout = atoi(value);
5969                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5970                         if (verbose_layout)
5971                                 layouts[i].l_string = fancy_stacker;
5972                         else
5973                                 layouts[i].l_string = plain_stacker;
5974                 }
5975                 break;
5976         case SWM_S_WINDOW_NAME_ENABLED:
5977                 window_name_enabled = atoi(value);
5978                 break;
5979         case SWM_S_WORKSPACE_LIMIT:
5980                 workspace_limit = atoi(value);
5981                 if (workspace_limit > SWM_WS_MAX)
5982                         workspace_limit = SWM_WS_MAX;
5983                 else if (workspace_limit < 1)
5984                         workspace_limit = 1;
5985                 break;
5986         default:
5987                 return (1);
5988         }
5989         return (0);
5990 }
5991
5992 int
5993 setconfmodkey(char *selector, char *value, int flags)
5994 {
5995         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5996                 update_modkey(Mod1Mask);
5997         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5998                 update_modkey(Mod2Mask);
5999         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6000                 update_modkey(Mod3Mask);
6001         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6002                 update_modkey(Mod4Mask);
6003         else
6004                 return (1);
6005         return (0);
6006 }
6007
6008 int
6009 setconfcolor(char *selector, char *value, int flags)
6010 {
6011         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6012         return (0);
6013 }
6014
6015 int
6016 setconfregion(char *selector, char *value, int flags)
6017 {
6018         custom_region(value);
6019         return (0);
6020 }
6021
6022 int
6023 setautorun(char *selector, char *value, int flags)
6024 {
6025         int                     ws_id;
6026         char                    s[1024];
6027         char                    *ap, *sp = s;
6028         union arg               a;
6029         int                     argc = 0;
6030         long                    pid;
6031         struct pid_e            *p;
6032
6033         if (getenv("SWM_STARTED"))
6034                 return (0);
6035
6036         bzero(s, sizeof s);
6037         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6038                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6039         ws_id--;
6040         if (ws_id < 0 || ws_id >= workspace_limit)
6041                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6042
6043         /*
6044          * This is a little intricate
6045          *
6046          * If the pid already exists we simply reuse it because it means it was
6047          * used before AND not claimed by manage_window.  We get away with
6048          * altering it in the parent after INSERT because this can not be a race
6049          */
6050         a.argv = NULL;
6051         while ((ap = strsep(&sp, " \t")) != NULL) {
6052                 if (*ap == '\0')
6053                         continue;
6054                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6055                 argc++;
6056                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6057                         err(1, "setautorun: realloc");
6058                 a.argv[argc - 1] = ap;
6059         }
6060
6061         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6062                 err(1, "setautorun: realloc");
6063         a.argv[argc] = NULL;
6064
6065         if ((pid = fork()) == 0) {
6066                 spawn(ws_id, &a, 1);
6067                 /* NOTREACHED */
6068                 _exit(1);
6069         }
6070         free(a.argv);
6071
6072         /* parent */
6073         p = find_pid(pid);
6074         if (p == NULL) {
6075                 p = calloc(1, sizeof *p);
6076                 if (p == NULL)
6077                         return (1);
6078                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6079         }
6080
6081         p->pid = pid;
6082         p->ws = ws_id;
6083
6084         return (0);
6085 }
6086
6087 int
6088 setlayout(char *selector, char *value, int flags)
6089 {
6090         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6091         int                     st = SWM_V_STACK, num_screens;
6092         char                    s[1024];
6093         struct workspace        *ws;
6094
6095         if (getenv("SWM_STARTED"))
6096                 return (0);
6097
6098         bzero(s, sizeof s);
6099         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6100             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6101                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6102                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6103                     "<type>'");
6104         ws_id--;
6105         if (ws_id < 0 || ws_id >= workspace_limit)
6106                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6107
6108         if (!strcasecmp(s, "vertical"))
6109                 st = SWM_V_STACK;
6110         else if (!strcasecmp(s, "vertical_flip")) {
6111                 st = SWM_V_STACK;
6112                 f = 1;
6113         } else if (!strcasecmp(s, "horizontal"))
6114                 st = SWM_H_STACK;
6115         else if (!strcasecmp(s, "horizontal_flip")) {
6116                 st = SWM_H_STACK;
6117                 f = 1;
6118         } else if (!strcasecmp(s, "fullscreen"))
6119                 st = SWM_MAX_STACK;
6120         else
6121                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6122                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6123                     "<type>'");
6124
6125         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6126         for (i = 0; i < num_screens; i++) {
6127                 ws = (struct workspace *)&screens[i].ws;
6128                 ws[ws_id].cur_layout = &layouts[st];
6129
6130                 ws[ws_id].always_raise = raise;
6131                 if (st == SWM_MAX_STACK)
6132                         continue;
6133
6134                 /* master grow */
6135                 for (x = 0; x < abs(mg); x++) {
6136                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6137                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6138                             SWM_ARG_ID_MASTERSHRINK);
6139                         stack();
6140                 }
6141                 /* master add */
6142                 for (x = 0; x < abs(ma); x++) {
6143                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6144                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6145                             SWM_ARG_ID_MASTERDEL);
6146                         stack();
6147                 }
6148                 /* stack inc */
6149                 for (x = 0; x < abs(si); x++) {
6150                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6151                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6152                             SWM_ARG_ID_STACKDEC);
6153                         stack();
6154                 }
6155                 /* Apply flip */
6156                 if (f) {
6157                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6158                             SWM_ARG_ID_FLIPLAYOUT);
6159                         stack();
6160                 }
6161         }
6162
6163         return (0);
6164 }
6165
6166 /* config options */
6167 struct config_option {
6168         char                    *optname;
6169         int                     (*func)(char*, char*, int);
6170         int                     funcflags;
6171 };
6172 struct config_option configopt[] = {
6173         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6174         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6175         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6176         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6177         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6178         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6179         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6180         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6181         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6182         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6183         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6184         { "keyboard_mapping",           setkeymapping,  0 },
6185         { "bind",                       setconfbinding, 0 },
6186         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6187         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6188         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6189         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6190         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6191         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6192         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6193         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6194         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6195         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6196         { "modkey",                     setconfmodkey,  0 },
6197         { "program",                    setconfspawn,   0 },
6198         { "quirk",                      setconfquirk,   0 },
6199         { "region",                     setconfregion,  0 },
6200         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6201         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6202         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6203         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6204         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6205         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6206         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6207         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6208         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6209         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6210         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6211         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6212         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6213         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6214         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6215         { "autorun",                    setautorun,     0 },
6216         { "layout",                     setlayout,      0 },
6217 };
6218
6219
6220 int
6221 conf_load(char *filename, int keymapping)
6222 {
6223         FILE                    *config;
6224         char                    *line, *cp, *optsub, *optval;
6225         size_t                  linelen, lineno = 0;
6226         int                     wordlen, i, optind;
6227         struct config_option    *opt;
6228
6229         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6230
6231         if (filename == NULL) {
6232                 warnx("conf_load: no filename");
6233                 return (1);
6234         }
6235         if ((config = fopen(filename, "r")) == NULL) {
6236                 warn("conf_load: fopen: %s", filename);
6237                 return (1);
6238         }
6239
6240         while (!feof(config)) {
6241                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6242                     == NULL) {
6243                         if (ferror(config))
6244                                 err(1, "%s", filename);
6245                         else
6246                                 continue;
6247                 }
6248                 cp = line;
6249                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6250                 if (cp[0] == '\0') {
6251                         /* empty line */
6252                         free(line);
6253                         continue;
6254                 }
6255                 /* get config option */
6256                 wordlen = strcspn(cp, "=[ \t\n");
6257                 if (wordlen == 0) {
6258                         warnx("%s: line %zd: no option found",
6259                             filename, lineno);
6260                         goto out;
6261                 }
6262                 optind = -1;
6263                 for (i = 0; i < LENGTH(configopt); i++) {
6264                         opt = &configopt[i];
6265                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6266                             strlen(opt->optname) == wordlen) {
6267                                 optind = i;
6268                                 break;
6269                         }
6270                 }
6271                 if (optind == -1) {
6272                         warnx("%s: line %zd: unknown option %.*s",
6273                             filename, lineno, wordlen, cp);
6274                         goto out;
6275                 }
6276                 if (keymapping && strcmp(opt->optname, "bind")) {
6277                         warnx("%s: line %zd: invalid option %.*s",
6278                             filename, lineno, wordlen, cp);
6279                         goto out;
6280                 }
6281                 cp += wordlen;
6282                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6283                 /* get [selector] if any */
6284                 optsub = NULL;
6285                 if (*cp == '[') {
6286                         cp++;
6287                         wordlen = strcspn(cp, "]");
6288                         if (*cp != ']') {
6289                                 if (wordlen == 0) {
6290                                         warnx("%s: line %zd: syntax error",
6291                                             filename, lineno);
6292                                         goto out;
6293                                 }
6294
6295                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6296                                     -1) {
6297                                         warnx("%s: line %zd: unable to allocate"
6298                                             "memory for selector", filename,
6299                                             lineno);
6300                                         goto out;
6301                                 }
6302                         }
6303                         cp += wordlen;
6304                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6305                 }
6306                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6307                 /* get RHS value */
6308                 optval = strdup(cp);
6309                 /* call function to deal with it all */
6310                 if (configopt[optind].func(optsub, optval,
6311                     configopt[optind].funcflags) != 0)
6312                         errx(1, "%s: line %zd: invalid data for %s",
6313                             filename, lineno, configopt[optind].optname);
6314                 free(optval);
6315                 free(optsub);
6316                 free(line);
6317         }
6318
6319         fclose(config);
6320         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6321
6322         return (0);
6323
6324 out:
6325         free(line);
6326         fclose(config);
6327         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6328
6329         return (1);
6330 }
6331
6332 void
6333 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6334 {
6335         struct ws_win           *parent, *w;
6336         struct swm_region       *r;
6337         struct workspace        *ws;
6338         xcb_wm_hints_t          wmh;
6339
6340         parent = find_window(win->transient);
6341         if (parent)
6342                 parent->child_trans = win;
6343         else {
6344                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6345                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6346
6347                 r = root_to_region(win->wa->root);
6348                 ws = r->ws;
6349                 /* parent doen't exist in our window list */
6350                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6351                         if (xcb_icccm_get_wm_hints_reply(conn,
6352                                         xcb_icccm_get_wm_hints(conn, w->id),
6353                                         &wmh, NULL) != 1) {
6354                                 warnx("can't get hints for 0x%x", w->id);
6355                                 continue;
6356                         }
6357
6358                         if (win->hints.window_group != wmh.window_group)
6359                                 continue;
6360
6361                         w->child_trans = win;
6362                         win->transient = w->id;
6363                         *trans = w->id;
6364                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6365                             "transient to 0x%x\n", win->transient);
6366                         break;
6367                 }
6368         }
6369 }
6370
6371 long
6372 window_get_pid(xcb_window_t win)
6373 {
6374         long                            ret = 0;
6375         const char                      *errstr;
6376         xcb_atom_t                      apid;
6377         xcb_get_property_cookie_t       pc;
6378         xcb_get_property_reply_t        *pr;
6379
6380         apid = get_atom_from_string("_NET_WM_PID");
6381         if (apid == XCB_ATOM_NONE)
6382                 goto tryharder;
6383
6384         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6385         pr = xcb_get_property_reply(conn, pc, NULL);
6386         if (!pr)
6387                 goto tryharder;
6388         if (pr->type != XCB_ATOM_CARDINAL)
6389                 goto tryharder;
6390
6391         ret = *(long *)xcb_get_property_value(pr);
6392         free(pr);
6393
6394         return (ret);
6395
6396 tryharder:
6397         apid = get_atom_from_string("_SWM_PID");
6398         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6399                 0, SWM_PROPLEN);
6400         pr = xcb_get_property_reply(conn, pc, NULL);
6401         if (!pr)
6402                 return (0);
6403         if (pr->type != XCB_ATOM_STRING)
6404                 free(pr);
6405                 return (0);
6406         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6407         free(pr);
6408
6409         return (ret);
6410 }
6411
6412 struct ws_win *
6413 manage_window(xcb_window_t id)
6414 {
6415         xcb_window_t            trans = XCB_WINDOW_NONE;
6416         struct workspace        *ws;
6417         struct ws_win           *win, *ww;
6418         int                     i, ws_idx, border_me = 0;
6419         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6420         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6421         size_t                  proplen;
6422         struct swm_region       *r;
6423         const char              *errstr;
6424         struct pid_e            *p;
6425         struct quirk            *qp;
6426         uint32_t                event_mask;
6427         xcb_atom_t              prot;
6428         xcb_get_property_reply_t        *gpr;
6429         xcb_get_wm_protocols_reply_t    wpr;
6430
6431         if ((win = find_window(id)) != NULL)
6432                 return (win);   /* already being managed */
6433
6434         /* see if we are on the unmanaged list */
6435         if ((win = find_unmanaged_window(id)) != NULL) {
6436                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6437                     "window: 0x%x\n", win->id);
6438                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6439                 if (win->transient)
6440                         set_child_transient(win, &trans);
6441
6442                 if (trans && (ww = find_window(trans)))
6443                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6444                 else if ((ww = win->ws->focus) &&
6445                     spawn_position == SWM_STACK_ABOVE)
6446                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6447                             win, entry);
6448                 else if (ww && spawn_position == SWM_STACK_BELOW)
6449                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6450                 else switch (spawn_position) {
6451                 default:
6452                 case SWM_STACK_TOP:
6453                 case SWM_STACK_ABOVE:
6454                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6455                         break;
6456                 case SWM_STACK_BOTTOM:
6457                 case SWM_STACK_BELOW:
6458                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6459                 }
6460
6461                 ewmh_update_actions(win);
6462                 return (win);
6463         }
6464
6465         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6466                 err(1, "manage_window: calloc: failed to allocate memory for "
6467                     "new window");
6468
6469         win->id = id;
6470         win->bordered = 0;
6471
6472         /* see if we need to override the workspace */
6473         p = find_pid(window_get_pid(id));
6474
6475         /* Get all the window data in one shot */
6476         ws_idx_atom = get_atom_from_string("_SWM_WS");
6477         if (ws_idx_atom) {
6478                 gpr = xcb_get_property_reply(conn,
6479                         xcb_get_property(conn, False, id, ws_idx_atom,
6480                                 XCB_ATOM_STRING, 0, SWM_PROPLEN),
6481                         NULL);
6482                 if (gpr) {
6483                         proplen = xcb_get_property_value_length(gpr);
6484                         if (proplen > 0) {
6485                                 prop = malloc(proplen + 1);
6486                                 if (prop) {
6487                                         memcpy(prop,
6488                                             xcb_get_property_value(gpr),
6489                                             proplen);
6490                                         prop[proplen] = '\0';
6491                                 }
6492                         }
6493                         free(gpr);
6494                 }
6495         }
6496         win->wa = xcb_get_geometry_reply(conn,
6497                 xcb_get_geometry(conn, id),
6498                 NULL);
6499         xcb_get_wm_normal_hints_reply(conn,
6500                 xcb_get_wm_normal_hints(conn, id),
6501                 &win->sh, NULL);
6502         xcb_icccm_get_wm_hints_reply(conn,
6503                 xcb_icccm_get_wm_hints(conn, id),
6504                 &win->hints, NULL);
6505         xcb_get_wm_transient_for_reply(conn,
6506                 xcb_get_wm_transient_for(conn, id),
6507                 &trans, NULL);
6508         if (trans) {
6509                 win->transient = trans;
6510                 set_child_transient(win, &trans);
6511                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6512                     "transient: 0x%x\n", win->id, win->transient);
6513         }
6514
6515         prot = xcb_atom_get_fast_reply(conn,
6516                 xcb_atom_get_fast(conn, False, strlen("WM_PROTOCOLS"),
6517                         "WM_PROTOCOLS"),
6518                 NULL);
6519         /* get supported protocols */
6520         if (xcb_get_wm_protocols_reply(conn,
6521                         xcb_get_wm_protocols(conn, id, prot),
6522                         &wpr, NULL)) {
6523                 for (i = 0; i < wpr.atoms_len; i++) {
6524                         if (wpr.atoms[i] == takefocus)
6525                                 win->take_focus = 1;
6526                         if (wpr.atoms[i] == adelete)
6527                                 win->can_delete = 1;
6528                 }
6529                 xcb_get_wm_protocols_reply_wipe(&wpr);
6530         }
6531
6532         win->iconic = get_iconic(win);
6533
6534         /*
6535          * Figure out where to put the window. If it was previously assigned to
6536          * a workspace (either by spawn() or manually moving), and isn't
6537          * transient, * put it in the same workspace
6538          */
6539         r = root_to_region(win->wa->root);
6540         if (p) {
6541                 ws = &r->s->ws[p->ws];
6542                 TAILQ_REMOVE(&pidlist, p, entry);
6543                 free(p);
6544                 p = NULL;
6545         } else if (prop && win->transient == 0) {
6546                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6547                 ws_idx = strtonum(prop, 0, workspace_limit - 1,
6548                     &errstr);
6549                 if (errstr) {
6550                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6551                             errstr, prop);
6552                 }
6553                 ws = &r->s->ws[ws_idx];
6554         } else {
6555                 ws = r->ws;
6556                 /* this should launch transients in the same ws as parent */
6557                 if (id && trans)
6558                         if ((ww = find_window(trans)) != NULL)
6559                                 if (ws->r) {
6560                                         ws = ww->ws;
6561                                         if (ww->ws->r)
6562                                                 r = ww->ws->r;
6563                                         else
6564                                                 warnx("manage_window: fix this "
6565                                                     "bug mcbride");
6566                                         border_me = 1;
6567                                 }
6568         }
6569
6570         /* set up the window layout */
6571         win->id = id;
6572         win->ws = ws;
6573         win->s = r->s;  /* this never changes */
6574         if (trans && (ww = find_window(trans)))
6575                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6576         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6577                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6578                     entry);
6579         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6580                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6581         else switch (spawn_position) {
6582         default:
6583         case SWM_STACK_TOP:
6584         case SWM_STACK_ABOVE:
6585                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6586                 break;
6587         case SWM_STACK_BOTTOM:
6588         case SWM_STACK_BELOW:
6589                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6590         }
6591
6592         /* ignore window border if there is one. */
6593         WIDTH(win) = win->wa->width;
6594         HEIGHT(win) = win->wa->height;
6595         X(win) = win->wa->x + win->wa->border_width;
6596         Y(win) = win->wa->y + win->wa->border_width;
6597         win->bordered = 0;
6598         win->g_floatvalid = 0;
6599         win->floatmaxed = 0;
6600         win->ewmh_flags = 0;
6601
6602         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6603             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6604             HEIGHT(win), ws->idx);
6605
6606         constrain_window(win, r, 0);
6607
6608         /* Set window properties so we can remember this after reincarnation */
6609         if (ws_idx_atom && prop == NULL &&
6610             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6611                 SWM_PROPLEN) {
6612                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6613                     ws_idx_str);
6614                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6615                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6616                         ws_idx_str);
6617         }
6618         if (prop)
6619                 free(prop);
6620
6621         ewmh_autoquirk(win);
6622
6623         if (xcb_get_wm_class_reply(conn,
6624                         xcb_get_wm_class(conn, win->id),
6625                         &win->ch, NULL)) {
6626                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6627                     win->ch.class_name, win->ch.instance_name);
6628
6629                 /* java is retarded so treat it special */
6630                 if (strstr(win->ch.instance_name, "sun-awt")) {
6631                         win->java = 1;
6632                         border_me = 1;
6633                 }
6634
6635                 TAILQ_FOREACH(qp, &quirks, entry) {
6636                         if (!strcmp(win->ch.class_name, qp->class) &&
6637                             !strcmp(win->ch.instance_name, qp->name)) {
6638                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6639                                     "class: %s, name: %s\n", win->ch.class_name,
6640                                     win->ch.instance_name);
6641                                 if (qp->quirk & SWM_Q_FLOAT) {
6642                                         win->floating = 1;
6643                                         border_me = 1;
6644                                 }
6645                                 win->quirks = qp->quirk;
6646                         }
6647                 }
6648         }
6649
6650         /* alter window position if quirky */
6651         if (win->quirks & SWM_Q_ANYWHERE) {
6652                 win->manual = 1; /* don't center the quirky windows */
6653                 if (bar_enabled && Y(win) < bar_height)
6654                         Y(win) = bar_height;
6655                 if (WIDTH(win) + X(win) > WIDTH(r))
6656                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6657                 border_me = 1;
6658         }
6659
6660         /* Reset font sizes (the bruteforce way; no default keybinding). */
6661         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6662                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6663                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6664                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6665                         fake_keypress(win, XK_KP_Add, ShiftMask);
6666         }
6667
6668         ewmh_get_win_state(win);
6669         ewmh_update_actions(win);
6670         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6671
6672         /* border me */
6673         if (border_me) {
6674                 win->bordered = 1;
6675                 X(win) -= border_width;
6676                 Y(win) -= border_width;
6677                 update_window(win);
6678         }
6679
6680         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6681                         XCB_EVENT_MASK_PROPERTY_CHANGE |
6682                         XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6683
6684         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6685
6686         /* floaters need to be mapped if they are in the current workspace */
6687         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6688                 map_window_raised(win->id);
6689
6690         return (win);
6691 }
6692
6693 void
6694 free_window(struct ws_win *win)
6695 {
6696         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6697
6698         if (win == NULL)
6699                 return;
6700
6701         /* needed for restart wm */
6702         set_win_state(win, XCB_ICCCM_WM_STATE_WITHDRAWN);
6703
6704         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6705
6706         if (win->wa)
6707                 free(win->wa);
6708
6709         xcb_get_wm_class_reply_wipe(&win->ch);
6710
6711         kill_refs(win);
6712
6713         /* paint memory */
6714         memset(win, 0xff, sizeof *win); /* XXX kill later */
6715
6716         free(win);
6717 }
6718
6719 void
6720 unmanage_window(struct ws_win *win)
6721 {
6722         struct ws_win           *parent;
6723         xcb_screen_t            *screen;
6724
6725         if (win == NULL)
6726                 return;
6727
6728         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6729
6730         if (win->transient) {
6731                 parent = find_window(win->transient);
6732                 if (parent)
6733                         parent->child_trans = NULL;
6734         }
6735
6736         /* focus on root just in case */
6737         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6738         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6739                 screen->root, XCB_CURRENT_TIME);
6740
6741         focus_prev(win);
6742
6743         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6744         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6745 }
6746
6747 void
6748 focus_magic(struct ws_win *win)
6749 {
6750         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6751
6752         if (win == NULL) {
6753                 /* if there are no windows clear the status-bar */
6754                 bar_update();
6755                 return;
6756         }
6757
6758         if (win->child_trans) {
6759                 /* win = parent & has a transient so focus on that */
6760                 if (win->java) {
6761                         focus_win(win->child_trans);
6762                         if (win->child_trans->take_focus)
6763                                 client_msg(win, takefocus);
6764                 } else {
6765                         /* make sure transient hasn't disappeared */
6766                         if (validate_win(win->child_trans) == 0) {
6767                                 focus_win(win->child_trans);
6768                                 if (win->child_trans->take_focus)
6769                                         client_msg(win->child_trans, takefocus);
6770                         } else {
6771                                 win->child_trans = NULL;
6772                                 focus_win(win);
6773                                 if (win->take_focus)
6774                                         client_msg(win, takefocus);
6775                         }
6776                 }
6777         } else {
6778                 /* regular focus */
6779                 focus_win(win);
6780                 if (win->take_focus)
6781                         client_msg(win, takefocus);
6782         }
6783 }
6784
6785 void
6786 expose(XEvent *e)
6787 {
6788         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6789 }
6790
6791 void
6792 keypress(XEvent *e)
6793 {
6794         KeySym                  keysym;
6795         XKeyEvent               *ev = &e->xkey;
6796         struct key              *kp;
6797         struct swm_region       *r;
6798
6799         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6800         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6801                 return;
6802         if (keyfuncs[kp->funcid].func == NULL)
6803                 return;
6804
6805         r = root_to_region(ev->root);
6806         if (kp->funcid == kf_spawn_custom)
6807                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6808         else
6809                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6810 }
6811
6812 void
6813 buttonpress(XEvent *e)
6814 {
6815         struct ws_win           *win;
6816         int                     i, action;
6817         XButtonPressedEvent     *ev = &e->xbutton;
6818
6819         if ((win = find_window(ev->window)) == NULL)
6820                 return;
6821
6822         focus_magic(win);
6823         action = client_click;
6824
6825         for (i = 0; i < LENGTH(buttons); i++)
6826                 if (action == buttons[i].action && buttons[i].func &&
6827                     buttons[i].button == ev->button &&
6828                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6829                         buttons[i].func(win, &buttons[i].args);
6830 }
6831
6832 void
6833 configurerequest(XEvent *e)
6834 {
6835         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6836         struct ws_win           *win;
6837         int                     new = 0;
6838         XWindowChanges          wc;
6839
6840         if ((win = find_window(ev->window)) == NULL)
6841                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6842                         new = 1;
6843
6844         if (new) {
6845                 bzero(&wc, sizeof wc);
6846                 wc.x = ev->x;
6847                 wc.y = ev->y;
6848                 wc.width = ev->width;
6849                 wc.height = ev->height;
6850                 wc.border_width = ev->border_width;
6851                 wc.sibling = ev->above;
6852                 wc.stack_mode = ev->detail;
6853
6854                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6855                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6856                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6857
6858                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6859         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6860             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6861                 win->g_float.x = ev->x - X(win->ws->r);
6862                 win->g_float.y = ev->y - Y(win->ws->r);
6863                 win->g_float.w = ev->width;
6864                 win->g_float.h = ev->height;
6865                 win->g_floatvalid = 1;
6866
6867                 if (win->floating) {
6868                         win->g = win->g_float;
6869                         win->g.x += X(win->ws->r);
6870                         win->g.y += Y(win->ws->r);
6871                         update_window(win);
6872                 } else {
6873                         config_win(win, ev);
6874                 }
6875         } else {
6876                 config_win(win, ev);
6877         }
6878 }
6879
6880 void
6881 configurenotify(XEvent *e)
6882 {
6883         struct ws_win           *win;
6884
6885         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6886             e->xconfigure.window);
6887
6888         win = find_window(e->xconfigure.window);
6889         if (win) {
6890                 xcb_get_wm_normal_hints_reply(conn,
6891                         xcb_get_wm_normal_hints(conn, win->id),
6892                         &win->sh, NULL);
6893                 adjust_font(win);
6894                 if (font_adjusted)
6895                         stack();
6896                 if (focus_mode == SWM_FOCUS_DEFAULT)
6897                         drain_enter_notify();
6898         }
6899 }
6900
6901 void
6902 destroynotify(XEvent *e)
6903 {
6904         struct ws_win           *win;
6905         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6906
6907         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6908
6909         if ((win = find_window(ev->window)) == NULL) {
6910                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6911                         return;
6912                 free_window(win);
6913                 return;
6914         }
6915
6916         /* make sure we focus on something */
6917         win->floating = 0;
6918
6919         unmanage_window(win);
6920         stack();
6921         if (focus_mode == SWM_FOCUS_DEFAULT)
6922                 drain_enter_notify();
6923         free_window(win);
6924 }
6925
6926 void
6927 enternotify(XEvent *e)
6928 {
6929         XCrossingEvent          *ev = &e->xcrossing;
6930         XEvent                  cne;
6931         struct ws_win           *win;
6932 #if 0
6933         struct ws_win           *w;
6934         Window                  focus_return;
6935         int                     revert_to_return;
6936 #endif
6937         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6938             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6939             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6940             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6941
6942         if (ev->mode != NotifyNormal) {
6943                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6944                     "cursor grab.\n");
6945                 return;
6946         }
6947
6948         switch (focus_mode) {
6949         case SWM_FOCUS_DEFAULT:
6950                 break;
6951         case SWM_FOCUS_FOLLOW:
6952                 break;
6953         case SWM_FOCUS_SYNERGY:
6954 #if 0
6955         /*
6956          * all these checks need to be in this order because the
6957          * XCheckTypedWindowEvent relies on weeding out the previous events
6958          *
6959          * making this code an option would enable a follow mouse for focus
6960          * feature
6961          */
6962
6963         /*
6964          * state is set when we are switching workspaces and focus is set when
6965          * the window or a subwindow already has focus (occurs during restart).
6966          *
6967          * Only honor the focus flag if last_focus_event is not FocusOut,
6968          * this allows spectrwm to continue to control focus when another
6969          * program is also playing with it.
6970          */
6971         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6972                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6973                 return;
6974         }
6975
6976         /*
6977          * happens when a window is created or destroyed and the border
6978          * crosses the mouse pointer and when switching ws
6979          *
6980          * we need the subwindow test to see if we came from root in order
6981          * to give focus to floaters
6982          */
6983         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6984             ev->subwindow == 0) {
6985                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6986                 return;
6987         }
6988
6989         /* this window already has focus */
6990         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6991                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6992                 return;
6993         }
6994
6995         /* this window is being deleted or moved to another ws */
6996         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6997             &cne) == True) {
6998                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6999                 XPutBackEvent(display, &cne);
7000                 return;
7001         }
7002
7003         if ((win = find_window(ev->window)) == NULL) {
7004                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
7005                 return;
7006         }
7007
7008         /*
7009          * In fullstack kill all enters unless they come from a different ws
7010          * (i.e. another region) or focus has been grabbed externally.
7011          */
7012         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
7013             last_focus_event != FocusOut) {
7014                 XGetInputFocus(display, &focus_return, &revert_to_return);
7015                 if ((w = find_window(focus_return)) == NULL ||
7016                     w->ws == win->ws) {
7017                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
7018                         return;
7019                 }
7020         }
7021 #endif
7022                 break;
7023         }
7024
7025         if ((win = find_window(ev->window)) == NULL) {
7026                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7027                 return;
7028         }
7029
7030         /*
7031          * if we have more enternotifies let them handle it in due time
7032          */
7033         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
7034                 DNPRINTF(SWM_D_EVENT,
7035                     "ignoring enternotify: got more enternotify\n");
7036                 XPutBackEvent(display, &cne);
7037                 return;
7038         }
7039
7040         focus_magic(win);
7041 }
7042
7043 /* lets us use one switch statement for arbitrary mode/detail combinations */
7044 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7045
7046 void
7047 focusevent(XEvent *e)
7048 {
7049 #if 0
7050         struct ws_win           *win;
7051         u_int32_t               mode_detail;
7052         XFocusChangeEvent       *ev = &e->xfocus;
7053
7054         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
7055             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
7056             ev->window, ev->mode, ev->detail);
7057
7058         if (last_focus_event == ev->type) {
7059                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
7060                 return;
7061         }
7062
7063         last_focus_event = ev->type;
7064         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
7065
7066         switch (mode_detail) {
7067         /* synergy client focus operations */
7068         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
7069         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
7070
7071         /* synergy server focus operations */
7072         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
7073
7074         /* Entering applications like rdesktop that mangle the pointer */
7075         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
7076
7077                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
7078                         XSetWindowBorder(display, win->id,
7079                             win->ws->r->s->c[ev->type == FocusIn ?
7080                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
7081                 break;
7082         default:
7083                 warnx("ignoring focusevent");
7084                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
7085                 break;
7086         }
7087 #endif
7088 }
7089
7090 void
7091 mapnotify(XEvent *e)
7092 {
7093         struct ws_win           *win;
7094         XMapEvent               *ev = &e->xmap;
7095
7096         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
7097
7098         win = manage_window(ev->window);
7099         if (win)
7100                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7101
7102         /*
7103          * focus_win can only set input focus on a mapped window.
7104          * make sure the window really has focus since it is just being mapped.
7105          */
7106         if (win->ws->focus == win)
7107                 focus_win(win);
7108 }
7109
7110 void
7111 mappingnotify(XEvent *e)
7112 {
7113         XMappingEvent           *ev = &e->xmapping;
7114
7115         XRefreshKeyboardMapping(ev);
7116         if (ev->request == MappingKeyboard)
7117                 grabkeys();
7118 }
7119
7120 void
7121 maprequest(XEvent *e)
7122 {
7123         struct ws_win           *win;
7124         struct swm_region       *r;
7125         XMapRequestEvent        *ev = &e->xmaprequest;
7126         xcb_get_window_attributes_reply_t *war;
7127
7128         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
7129             e->xmaprequest.window);
7130
7131         war = xcb_get_window_attributes_reply(conn,
7132                 xcb_get_window_attributes(conn, ev->window),
7133                 NULL);
7134         if (!war)
7135                 return;
7136         if (war->override_redirect) {
7137                 free(war);
7138                 return;
7139         }
7140         free(war);
7141
7142         win = manage_window(e->xmaprequest.window);
7143         if (win == NULL) {
7144                 return; /* can't happen */
7145         }
7146
7147         stack();
7148
7149         /* make new win focused */
7150         r = root_to_region(win->wa->root);
7151         if (win->ws == r->ws)
7152                 focus_magic(win);
7153 }
7154
7155 void
7156 propertynotify(XEvent *e)
7157 {
7158         struct ws_win           *win;
7159         XPropertyEvent          *ev = &e->xproperty;
7160 #ifdef SWM_DEBUG
7161         char                            *name;
7162         size_t                          len;
7163         xcb_get_atom_name_reply_t       *r;
7164
7165         r = xcb_get_atom_name_reply(conn,
7166                 xcb_get_atom_name(conn, ev->atom),
7167                 NULL);
7168         if (r) {
7169                 len = xcb_get_atom_name_name_length(r);
7170                 if (len > 0) {
7171                         name = malloc(len + 1);
7172                         if (name) {
7173                                 memcpy(name, xcb_get_atom_name_name(r), len);
7174                                 name[len] = '\0';
7175
7176                                 DNPRINTF(SWM_D_EVENT,
7177                                         "propertynotify: window: 0x%lx, "
7178                                         "atom: %s\n",
7179                                         ev->window, name);
7180                                 free(name);
7181                         }
7182                 }
7183                 free(r);
7184         }
7185 #endif
7186
7187         win = find_window(ev->window);
7188         if (win == NULL)
7189                 return;
7190
7191         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
7192                 update_iconic(win, 0);
7193                 map_window_raised(win->id);
7194                 stack();
7195                 focus_win(win);
7196                 return;
7197         }
7198
7199         switch (ev->atom) {
7200 #if 0
7201         case XA_WM_NORMAL_HINTS:
7202                 long            mask;
7203                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
7204                 warnx("normal hints: flag 0x%x", win->sh.flags);
7205                 if (win->sh.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
7206                         WIDTH(win) = win->sh.min_width;
7207                         HEIGHT(win) = win->sh.min_height;
7208                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7209                 }
7210                 XMoveResizeWindow(display, win->id,
7211                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7212 #endif
7213         case XCB_ATOM_WM_CLASS:
7214         case XCB_ATOM_WM_NAME:
7215                 bar_update();
7216                 break;
7217         default:
7218                 break;
7219         }
7220 }
7221
7222 void
7223 unmapnotify(XEvent *e)
7224 {
7225         struct ws_win           *win;
7226
7227         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7228
7229         /* determine if we need to help unmanage this window */
7230         win = find_window(e->xunmap.window);
7231         if (win == NULL)
7232                 return;
7233
7234         if (getstate(e->xunmap.window) == XCB_ICCCM_WM_STATE_NORMAL) {
7235                 unmanage_window(win);
7236                 stack();
7237
7238                 /* giant hack for apps that don't destroy transient windows */
7239                 /* eat a bunch of events to prevent remanaging the window */
7240                 XEvent                  cne;
7241                 while (XCheckWindowEvent(display, e->xunmap.window,
7242                     EnterWindowMask, &cne))
7243                         ;
7244                 while (XCheckWindowEvent(display, e->xunmap.window,
7245                     StructureNotifyMask, &cne))
7246                         ;
7247                 while (XCheckWindowEvent(display, e->xunmap.window,
7248                     SubstructureNotifyMask, &cne))
7249                         ;
7250                 /* resend unmap because we ated it */
7251                 xcb_unmap_window(conn, e->xunmap.window);
7252         }
7253
7254         if (focus_mode == SWM_FOCUS_DEFAULT)
7255                 drain_enter_notify();
7256 }
7257
7258 void
7259 visibilitynotify(XEvent *e)
7260 {
7261         int                     i, num_screens;
7262         struct swm_region       *r;
7263
7264         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7265             e->xvisibility.window);
7266
7267         if (e->xvisibility.state == VisibilityUnobscured) {
7268                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7269                 for (i = 0; i < num_screens; i++)
7270                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7271                                 if (e->xvisibility.window == WINID(r->bar))
7272                                         bar_update();
7273         }
7274 }
7275
7276 void
7277 clientmessage(XEvent *e)
7278 {
7279         XClientMessageEvent     *ev;
7280         struct ws_win           *win;
7281
7282         ev = &e->xclient;
7283
7284         win = find_window(ev->window);
7285         if (win == NULL) {
7286                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7287                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7288                             "unmanaged window.\n");
7289                         e->xmaprequest.window = ev->window;
7290                         maprequest(e);
7291                 }
7292                 return;
7293         }
7294
7295         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7296             ev->window, ev->message_type);
7297
7298         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7299                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7300                 focus_win(win);
7301         }
7302         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7303                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7304                 if (win->can_delete)
7305                         client_msg(win, adelete);
7306                 else
7307                         xcb_kill_client(conn, win->id);
7308         }
7309         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7310                 DNPRINTF(SWM_D_EVENT,
7311                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7312                 if (win->floating) {
7313                         if (ev->data.l[0] & (1<<8)) /* x */
7314                                 X(win) = ev->data.l[1];
7315                         if (ev->data.l[0] & (1<<9)) /* y */
7316                                 Y(win) = ev->data.l[2];
7317                         if (ev->data.l[0] & (1<<10)) /* width */
7318                                 WIDTH(win) = ev->data.l[3];
7319                         if (ev->data.l[0] & (1<<11)) /* height */
7320                                 HEIGHT(win) = ev->data.l[4];
7321
7322                         update_window(win);
7323                 }
7324                 else {
7325                         /* TODO: Change stack sizes */
7326                         /* notify no change was made. */
7327                         config_win(win, NULL);
7328                 }
7329         }
7330         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7331                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7332                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7333                 if (ev->data.l[2])
7334                         ewmh_update_win_state(win, ev->data.l[2],
7335                             ev->data.l[0]);
7336
7337                 stack();
7338         }
7339 }
7340
7341 int
7342 xerror_start(Display *d, XErrorEvent *ee)
7343 {
7344         other_wm = 1;
7345         return (-1);
7346 }
7347
7348 int
7349 xerror(Display *d, XErrorEvent *ee)
7350 {
7351         /* warnx("error: %p %p", display, ee); */
7352         return (-1);
7353 }
7354
7355 int
7356 active_wm(void)
7357 {
7358         other_wm = 0;
7359         xerrorxlib = XSetErrorHandler(xerror_start);
7360
7361         /* this causes an error if some other window manager is running */
7362         XSelectInput(display, DefaultRootWindow(display),
7363             SubstructureRedirectMask);
7364         do_sync();
7365         if (other_wm)
7366                 return (1);
7367
7368         XSetErrorHandler(xerror);
7369         do_sync();
7370         return (0);
7371 }
7372
7373 void
7374 new_region(struct swm_screen *s, int x, int y, int w, int h)
7375 {
7376         struct swm_region       *r, *n;
7377         struct workspace        *ws = NULL;
7378         int                     i;
7379
7380         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7381              s->idx, w, h, x, y);
7382
7383         /* remove any conflicting regions */
7384         n = TAILQ_FIRST(&s->rl);
7385         while (n) {
7386                 r = n;
7387                 n = TAILQ_NEXT(r, entry);
7388                 if (X(r) < (x + w) &&
7389                     (X(r) + WIDTH(r)) > x &&
7390                     Y(r) < (y + h) &&
7391                     (Y(r) + HEIGHT(r)) > y) {
7392                         if (r->ws->r != NULL)
7393                                 r->ws->old_r = r->ws->r;
7394                         r->ws->r = NULL;
7395                         bar_cleanup(r);
7396                         TAILQ_REMOVE(&s->rl, r, entry);
7397                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7398                 }
7399         }
7400
7401         /* search old regions for one to reuse */
7402
7403         /* size + location match */
7404         TAILQ_FOREACH(r, &s->orl, entry)
7405                 if (X(r) == x && Y(r) == y &&
7406                     HEIGHT(r) == h && WIDTH(r) == w)
7407                         break;
7408
7409         /* size match */
7410         TAILQ_FOREACH(r, &s->orl, entry)
7411                 if (HEIGHT(r) == h && WIDTH(r) == w)
7412                         break;
7413
7414         if (r != NULL) {
7415                 TAILQ_REMOVE(&s->orl, r, entry);
7416                 /* try to use old region's workspace */
7417                 if (r->ws->r == NULL)
7418                         ws = r->ws;
7419         } else
7420                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7421                         err(1, "new_region: calloc: failed to allocate memory "
7422                             "for screen");
7423
7424         /* if we don't have a workspace already, find one */
7425         if (ws == NULL) {
7426                 for (i = 0; i < workspace_limit; i++)
7427                         if (s->ws[i].r == NULL) {
7428                                 ws = &s->ws[i];
7429                                 break;
7430                         }
7431         }
7432
7433         if (ws == NULL)
7434                 errx(1, "new_region: no free workspaces");
7435
7436         X(r) = x;
7437         Y(r) = y;
7438         WIDTH(r) = w;
7439         HEIGHT(r) = h;
7440         r->s = s;
7441         r->ws = ws;
7442         r->ws_prior = NULL;
7443         ws->r = r;
7444         outputs++;
7445         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7446 }
7447
7448 void
7449 scan_xrandr(int i)
7450 {
7451 #ifdef SWM_XRR_HAS_CRTC
7452         int                                             c;
7453         int                                             ncrtc = 0;
7454 #endif /* SWM_XRR_HAS_CRTC */
7455         struct swm_region                               *r;
7456         int                                             num_screens;
7457         xcb_randr_get_screen_resources_current_cookie_t src;
7458         xcb_randr_get_screen_resources_current_reply_t  *srr;
7459         xcb_randr_get_crtc_info_cookie_t                cic;
7460         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7461         xcb_randr_crtc_t                                *crtc;
7462         xcb_screen_t                                    *screen = get_screen(i);
7463
7464         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7465         if (i >= num_screens)
7466                 errx(1, "scan_xrandr: invalid screen");
7467
7468         /* remove any old regions */
7469         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7470                 r->ws->old_r = r->ws->r = NULL;
7471                 bar_cleanup(r);
7472                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7473                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7474         }
7475         outputs = 0;
7476
7477         /* map virtual screens onto physical screens */
7478 #ifdef SWM_XRR_HAS_CRTC
7479         if (xrandr_support) {
7480                 src = xcb_randr_get_screen_resources_current(conn,
7481                         screens[i].root);
7482                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7483                         NULL);
7484                 if (srr == NULL) {
7485                         new_region(&screens[i], 0, 0,
7486                             screen->width_in_pixels,
7487                             screen->height_in_pixels);
7488                         return;
7489                 } else
7490                         ncrtc = srr->num_crtcs;
7491                 for (c = 0; c < ncrtc; c++) {
7492                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7493                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7494                                 XCB_CURRENT_TIME);
7495                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7496                         if (cir == NULL)
7497                                 continue;
7498                         if (cir->num_outputs == 0) {
7499                                 free(cir);
7500                                 continue;
7501                         }
7502
7503                         if (cir->mode == 0)
7504                                 new_region(&screens[i], 0, 0,
7505                                     screen->width_in_pixels,
7506                                     screen->height_in_pixels);
7507                         else
7508                                 new_region(&screens[i],
7509                                     cir->x, cir->y, cir->width, cir->height);
7510                         free(cir);
7511                 }
7512                 free(srr);
7513         } else
7514 #endif /* SWM_XRR_HAS_CRTC */
7515         {
7516                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7517                     screen->height_in_pixels);
7518         }
7519 }
7520
7521 void
7522 screenchange(XEvent *e)
7523 {
7524         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7525         struct swm_region               *r;
7526         int                             i, num_screens;
7527
7528         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7529
7530         if (!XRRUpdateConfiguration(e))
7531                 return;
7532
7533         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7534         /* silly event doesn't include the screen index */
7535         for (i = 0; i < num_screens; i++)
7536                 if (screens[i].root == xe->root)
7537                         break;
7538         if (i >= num_screens)
7539                 errx(1, "screenchange: screen not found");
7540
7541         /* brute force for now, just re-enumerate the regions */
7542         scan_xrandr(i);
7543
7544         /* add bars to all regions */
7545         for (i = 0; i < num_screens; i++)
7546                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7547                         bar_setup(r);
7548         stack();
7549         if (focus_mode == SWM_FOCUS_DEFAULT)
7550                 drain_enter_notify();
7551 }
7552
7553 void
7554 grab_windows(void)
7555 {
7556         xcb_window_t            *wins   = NULL;
7557         int                     no;
7558         int                     i, j, num_screens;
7559         uint16_t                state, manage;
7560
7561         xcb_query_tree_cookie_t                 qtc;
7562         xcb_query_tree_reply_t                  *qtr;
7563         xcb_get_window_attributes_cookie_t      c;
7564         xcb_get_window_attributes_reply_t       *r;
7565         xcb_get_property_cookie_t               pc;
7566
7567         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7568         for (i = 0; i < num_screens; i++) {
7569                 qtc = xcb_query_tree(conn, screens[i].root);
7570                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7571                 if (!qtr)
7572                         continue;
7573                 wins = xcb_query_tree_children(qtr);
7574                 no = xcb_query_tree_children_length(qtr);
7575                 /* attach windows to a region */
7576                 /* normal windows */
7577                 for (j = 0; j < no; j++) {
7578                         c = xcb_get_window_attributes(conn, wins[j]);
7579                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7580                         if (!r)
7581                                 continue;
7582                         if (r->override_redirect) {
7583                                 free(r);
7584                                 continue;
7585                         }
7586
7587                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7588                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7589                                         NULL)) {
7590                                 free(r);
7591                                 continue;
7592                         }
7593
7594                         state = getstate(wins[j]);
7595                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7596                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7597                                 manage_window(wins[j]);
7598                         free(r);
7599                 }
7600                 /* transient windows */
7601                 for (j = 0; j < no; j++) {
7602                         c = xcb_get_window_attributes(conn, wins[j]);
7603                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7604                         if (!r)
7605                                 continue;
7606                         if (r->override_redirect) {
7607                                 free(r);
7608                                 continue;
7609                         }
7610                         free(r);
7611
7612                         state = getstate(wins[j]);
7613                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7614                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7615                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7616                                         NULL) && manage)
7617                                 manage_window(wins[j]);
7618                 }
7619                 free(qtr);
7620         }
7621 }
7622
7623 void
7624 setup_screens(void)
7625 {
7626         int                     i, j, k, num_screens;
7627         struct workspace        *ws;
7628         uint32_t                gcv[1], wa[1];
7629         const xcb_query_extension_reply_t *qep;
7630         xcb_cursor_t                            cursor;
7631         xcb_font_t                              cursor_font;
7632         xcb_randr_query_version_cookie_t        c;
7633         xcb_randr_query_version_reply_t         *r;
7634
7635         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7636         if ((screens = calloc(num_screens,
7637              sizeof(struct swm_screen))) == NULL)
7638                 err(1, "setup_screens: calloc: failed to allocate memory for "
7639                     "screens");
7640
7641         /* initial Xrandr setup */
7642         xrandr_support = False;
7643         c = xcb_randr_query_version(conn, True, True);
7644         r = xcb_randr_query_version_reply(conn, c, NULL);
7645         if (r) {
7646                 if (r->major_version >= 1)
7647                         xrandr_support = True;
7648                 free(r);
7649         }
7650         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7651         xrandr_eventbase = qep->first_event;
7652
7653         cursor_font = xcb_generate_id(conn);
7654         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7655
7656         cursor = xcb_generate_id(conn);
7657         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7658                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7659         wa[0] = cursor;
7660
7661         /* map physical screens */
7662         for (i = 0; i < num_screens; i++) {
7663                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7664                 screens[i].idx = i;
7665                 TAILQ_INIT(&screens[i].rl);
7666                 TAILQ_INIT(&screens[i].orl);
7667                 screens[i].root = RootWindow(display, i);
7668
7669                 /* set default colors */
7670                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7671                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7672                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7673                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7674                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7675
7676                 /* create graphics context on screen */
7677                 screens[i].bar_gc = xcb_generate_id(conn);
7678                 gcv[0] = 0;
7679                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7680                         XCB_GC_GRAPHICS_EXPOSURES, gcv);
7681
7682                 /* set default cursor */
7683                 xcb_change_window_attributes(conn, screens[i].root,
7684                         XCB_CW_CURSOR, wa);
7685
7686                 /* init all workspaces */
7687                 /* XXX these should be dynamically allocated too */
7688                 for (j = 0; j < SWM_WS_MAX; j++) {
7689                         ws = &screens[i].ws[j];
7690                         ws->idx = j;
7691                         ws->name = NULL;
7692                         ws->focus = NULL;
7693                         ws->r = NULL;
7694                         ws->old_r = NULL;
7695                         TAILQ_INIT(&ws->winlist);
7696                         TAILQ_INIT(&ws->unmanagedlist);
7697
7698                         for (k = 0; layouts[k].l_stack != NULL; k++)
7699                                 if (layouts[k].l_config != NULL)
7700                                         layouts[k].l_config(ws,
7701                                             SWM_ARG_ID_STACKINIT);
7702                         ws->cur_layout = &layouts[0];
7703                         ws->cur_layout->l_string(ws);
7704                 }
7705
7706                 scan_xrandr(i);
7707
7708                 if (xrandr_support)
7709                         xcb_randr_select_input(conn, screens[i].root,
7710                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7711         }
7712         xcb_free_cursor(conn, cursor);
7713         xcb_close_font(conn, cursor_font);
7714 }
7715
7716 void
7717 setup_globals(void)
7718 {
7719         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7720                 err(1, "setup_globals: strdup: failed to allocate memory.");
7721
7722         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7723                 err(1, "setup_globals: strdup: failed to allocate memory.");
7724 }
7725
7726 void
7727 workaround(void)
7728 {
7729         int                     i, num_screens;
7730         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7731         xcb_window_t            root, win;
7732         xcb_screen_t            *screen;
7733         uint32_t                wa[2];
7734
7735         /* work around sun jdk bugs, code from wmname */
7736         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7737         netwmname = get_atom_from_string("_NET_WM_NAME");
7738         utf8_string = get_atom_from_string("UTF8_STRING");
7739
7740         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7741         for (i = 0; i < num_screens; i++) {
7742                 root = screens[i].root;
7743                 screen = get_screen(i);
7744
7745                 win = xcb_generate_id(conn);
7746                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7747                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7748                 xcb_create_window(conn, screen->root_depth, win, 0,
7749                         0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
7750                         screen->root_visual,
7751                         XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7752
7753                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7754                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7755                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7756                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7757                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7758                         netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7759         }
7760 }
7761
7762 int
7763 main(int argc, char *argv[])
7764 {
7765         struct swm_region       *r, *rr;
7766         struct ws_win           *winfocus = NULL;
7767         struct timeval          tv;
7768         union arg               a;
7769         char                    conf[PATH_MAX], *cfile = NULL;
7770         struct stat             sb;
7771         XEvent                  e;
7772         int                     xfd, i, num_screens;
7773         fd_set                  rd;
7774         struct sigaction        sact;
7775
7776         start_argv = argv;
7777         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7778         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7779             !XSupportsLocale())
7780                 warnx("no locale support");
7781
7782         if (!X_HAVE_UTF8_STRING)
7783                 warnx("no UTF-8 support");
7784
7785         if (!(display = XOpenDisplay(0)))
7786                 errx(1, "can not open display");
7787
7788         if (!(conn = XGetXCBConnection(display)))
7789                 errx(1, "can not get XCB connection");
7790
7791         if (active_wm())
7792                 errx(1, "other wm running");
7793
7794         /* handle some signals */
7795         bzero(&sact, sizeof(sact));
7796         sigemptyset(&sact.sa_mask);
7797         sact.sa_flags = 0;
7798         sact.sa_handler = sighdlr;
7799         sigaction(SIGINT, &sact, NULL);
7800         sigaction(SIGQUIT, &sact, NULL);
7801         sigaction(SIGTERM, &sact, NULL);
7802         sigaction(SIGHUP, &sact, NULL);
7803
7804         sact.sa_handler = sighdlr;
7805         sact.sa_flags = SA_NOCLDSTOP;
7806         sigaction(SIGCHLD, &sact, NULL);
7807
7808         astate = get_atom_from_string("WM_STATE");
7809         aprot = get_atom_from_string("WM_PROTOCOLS");
7810         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7811         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7812         a_wmname = get_atom_from_string("WM_NAME");
7813         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7814         a_utf8_string = get_atom_from_string("UTF8_STRING");
7815         a_string = get_atom_from_string("STRING");
7816         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7817
7818         /* look for local and global conf file */
7819         pwd = getpwuid(getuid());
7820         if (pwd == NULL)
7821                 errx(1, "invalid user: %d", getuid());
7822
7823         setup_globals();
7824         setup_screens();
7825         setup_keys();
7826         setup_quirks();
7827         setup_spawn();
7828
7829         /* load config */
7830         for (i = 0; ; i++) {
7831                 conf[0] = '\0';
7832                 switch (i) {
7833                 case 0:
7834                         /* ~ */
7835                         snprintf(conf, sizeof conf, "%s/.%s",
7836                             pwd->pw_dir, SWM_CONF_FILE);
7837                         break;
7838                 case 1:
7839                         /* global */
7840                         snprintf(conf, sizeof conf, "/etc/%s",
7841                             SWM_CONF_FILE);
7842                         break;
7843                 case 2:
7844                         /* ~ compat */
7845                         snprintf(conf, sizeof conf, "%s/.%s",
7846                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7847                         break;
7848                 case 3:
7849                         /* global compat */
7850                         snprintf(conf, sizeof conf, "/etc/%s",
7851                             SWM_CONF_FILE_OLD);
7852                         break;
7853                 default:
7854                         goto noconfig;
7855                 }
7856
7857                 if (strlen(conf) && stat(conf, &sb) != -1)
7858                         if (S_ISREG(sb.st_mode)) {
7859                                 cfile = conf;
7860                                 break;
7861                         }
7862         }
7863 noconfig:
7864
7865         /* load conf (if any) */
7866         if (cfile)
7867                 conf_load(cfile, SWM_CONF_DEFAULT);
7868
7869         setup_ewmh();
7870         /* set some values to work around bad programs */
7871         workaround();
7872         /* grab existing windows (before we build the bars) */
7873         grab_windows();
7874
7875         if (getenv("SWM_STARTED") == NULL)
7876                 setenv("SWM_STARTED", "YES", 1);
7877
7878         /* setup all bars */
7879         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7880         for (i = 0; i < num_screens; i++)
7881                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7882                         if (winfocus == NULL)
7883                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7884                         bar_setup(r);
7885                 }
7886
7887         unfocus_all();
7888
7889         grabkeys();
7890         stack();
7891         if (focus_mode == SWM_FOCUS_DEFAULT)
7892                 drain_enter_notify();
7893
7894         xfd = xcb_get_file_descriptor(conn);
7895         while (running) {
7896                 while (XPending(display)) {
7897                         XNextEvent(display, &e);
7898                         if (running == 0)
7899                                 goto done;
7900                         if (e.type < LASTEvent) {
7901                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7902                                     "window: 0x%lx, type: %s (%d), %d remaining"
7903                                     "\n", YESNO(handler[e.type]),
7904                                     e.xany.window, geteventname(&e),
7905                                     e.type, QLength(display));
7906
7907                                 if (handler[e.type])
7908                                         handler[e.type](&e);
7909                         } else {
7910                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7911                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7912                                     xrandr_geteventname(&e), e.type);
7913
7914                                 switch (e.type - xrandr_eventbase) {
7915                                 case XCB_RANDR_SCREEN_CHANGE_NOTIFY:
7916                                         screenchange(&e);
7917                                         break;
7918                                 default:
7919                                         break;
7920                                 }
7921                         }
7922                 }
7923
7924                 /* if we are being restarted go focus on first window */
7925                 if (winfocus) {
7926                         rr = winfocus->ws->r;
7927                         if (rr == NULL) {
7928                                 /* not a visible window */
7929                                 winfocus = NULL;
7930                                 continue;
7931                         }
7932                         /* move pointer to first screen if multi screen */
7933                         if (num_screens > 1 || outputs > 1)
7934                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7935                                         rr->s[0].root, 0, 0, 0, 0, X(rr),
7936                                         Y(rr) + (bar_enabled ? bar_height : 0));
7937
7938                         a.id = SWM_ARG_ID_FOCUSCUR;
7939                         focus(rr, &a);
7940                         winfocus = NULL;
7941                         continue;
7942                 }
7943
7944                 FD_ZERO(&rd);
7945                 FD_SET(xfd, &rd);
7946                 tv.tv_sec = 1;
7947                 tv.tv_usec = 0;
7948                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7949                         if (errno != EINTR)
7950                                 DNPRINTF(SWM_D_MISC, "select failed");
7951                 if (restart_wm == 1)
7952                         restart(NULL, NULL);
7953                 if (search_resp == 1)
7954                         search_do_resp();
7955                 if (running == 0)
7956                         goto done;
7957                 if (bar_alarm) {
7958                         bar_alarm = 0;
7959                         bar_update();
7960                 }
7961         }
7962 done:
7963         teardown_ewmh();
7964         bar_extra_stop();
7965
7966         for (i = 0; i < num_screens; ++i)
7967                 if (screens[i].bar_gc != 0)
7968                         xcb_free_gc(conn, screens[i].bar_gc);
7969         XFreeFontSet(display, bar_fs);
7970         xcb_disconnect(conn);
7971
7972         return (0);
7973 }