spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <paths.h>
  70 #include <ctype.h>
  71
  72 #include <sys/types.h>
  73 #include <sys/time.h>
  74 #include <sys/stat.h>
  75 #include <sys/wait.h>
  76 #include <sys/queue.h>
  77 #include <sys/param.h>
  78 #include <sys/select.h>
  79 #if defined(__linux__)
  80 #include "tree.h"
  81 #elif defined(__OpenBSD__)
  82 #include <sys/tree.h>
  83 #elif defined(__FreeBSD__)
  84 #include <sys/tree.h>
  85 #else
  86 #include "tree.h"
  87 #endif
  88
  89 #include <X11/cursorfont.h>
  90 #include <X11/keysym.h>
  91 #include <X11/XKBlib.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/Xlib-xcb.h>
  94 #include <xcb/randr.h>
  95 #include <xcb/xcb_icccm.h>
  96 #include <xcb/xcb_keysyms.h>
  97 #include <X11/Xproto.h>
  98 #include <X11/Xutil.h>
  99 #include <X11/extensions/Xrandr.h>
 100 #include <X11/extensions/XTest.h>
 101
 102 #ifdef __OSX__
 103 #include <osx.h>
 104 #endif
 105
 106 #include "version.h"
 107
 108 #ifdef SPECTRWM_BUILDSTR
 109 static const char       *buildstr = SPECTRWM_BUILDSTR;
 110 #else
 111 static const char       *buildstr = SPECTRWM_VERSION;
 112 #endif
 113
 114 #if RANDR_MAJOR < 1
 115 #  error XRandR versions less than 1.0 are not supported
 116 #endif
 117
 118 #if RANDR_MAJOR >= 1
 119 #if RANDR_MINOR >= 2
 120 #define SWM_XRR_HAS_CRTC
 121 #endif
 122 #endif
 123
 124 #if defined(__OpenBSD__)
 125 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 126 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 127 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 128 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 129 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 130 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 131 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 132 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 133 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 134 #endif
 135
 136 /*#define SWM_DEBUG*/
 137 #ifdef SWM_DEBUG
 138 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 139 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 140 #define SWM_D_MISC              0x0001
 141 #define SWM_D_EVENT             0x0002
 142 #define SWM_D_WS                0x0004
 143 #define SWM_D_FOCUS             0x0008
 144 #define SWM_D_MOVE              0x0010
 145 #define SWM_D_STACK             0x0020
 146 #define SWM_D_MOUSE             0x0040
 147 #define SWM_D_PROP              0x0080
 148 #define SWM_D_CLASS             0x0100
 149 #define SWM_D_KEY               0x0200
 150 #define SWM_D_QUIRK             0x0400
 151 #define SWM_D_SPAWN             0x0800
 152 #define SWM_D_EVENTQ            0x1000
 153 #define SWM_D_CONF              0x2000
 154 #define SWM_D_BAR               0x4000
 155
 156 u_int32_t               swm_debug = 0
 157                             | SWM_D_MISC
 158                             | SWM_D_EVENT
 159                             | SWM_D_WS
 160                             | SWM_D_FOCUS
 161                             | SWM_D_MOVE
 162                             | SWM_D_STACK
 163                             | SWM_D_MOUSE
 164                             | SWM_D_PROP
 165                             | SWM_D_CLASS
 166                             | SWM_D_KEY
 167                             | SWM_D_QUIRK
 168                             | SWM_D_SPAWN
 169                             | SWM_D_EVENTQ
 170                             | SWM_D_CONF
 171                             | SWM_D_BAR
 172                             ;
 173 #else
 174 #define DPRINTF(x...)
 175 #define DNPRINTF(n,x...)
 176 #endif
 177
 178 #define LENGTH(x)               (sizeof x / sizeof x[0])
 179 #define MODKEY                  Mod1Mask
 180 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 181 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 182 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 183 #define SWM_PROPLEN             (16)
 184 #define SWM_FUNCNAME_LEN        (32)
 185 #define SWM_KEYS_LEN            (255)
 186 #define SWM_QUIRK_LEN           (64)
 187 #define X(r)                    (r)->g.x
 188 #define Y(r)                    (r)->g.y
 189 #define WIDTH(r)                (r)->g.w
 190 #define HEIGHT(r)               (r)->g.h
 191 #define BORDER(w)               (w->bordered ? border_width : 0)
 192 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 193 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 194 #define SH_MIN(w)               (w)->sh_mask & PMinSize
 195 #define SH_MIN_W(w)             (w)->sh.min_width
 196 #define SH_MIN_H(w)             (w)->sh.min_height
 197 #define SH_MAX(w)               (w)->sh_mask & PMaxSize
 198 #define SH_MAX_W(w)             (w)->sh.max_width
 199 #define SH_MAX_H(w)             (w)->sh.max_height
 200 #define SH_INC(w)               (w)->sh_mask & PResizeInc
 201 #define SH_INC_W(w)             (w)->sh.width_inc
 202 #define SH_INC_H(w)             (w)->sh.height_inc
 203 #define SWM_MAX_FONT_STEPS      (3)
 204 #define WINID(w)                ((w) ? (w)->id : 0)
 205 #define YESNO(x)                ((x) ? "yes" : "no")
 206
 207 #define SWM_FOCUS_DEFAULT       (0)
 208 #define SWM_FOCUS_SYNERGY       (1)
 209 #define SWM_FOCUS_FOLLOW        (2)
 210
 211 #define SWM_CONF_DEFAULT        (0)
 212 #define SWM_CONF_KEYMAPPING     (1)
 213
 214 #ifndef SWM_LIB
 215 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 216 #endif
 217
 218 char                    **start_argv;
 219 xcb_atom_t              astate;
 220 xcb_atom_t              aprot;
 221 xcb_atom_t              adelete;
 222 xcb_atom_t              takefocus;
 223 xcb_atom_t              a_wmname;
 224 xcb_atom_t              a_netwmname;
 225 xcb_atom_t              a_utf8_string;
 226 xcb_atom_t              a_string;
 227 xcb_atom_t              a_swm_iconic;
 228 volatile sig_atomic_t   running = 1;
 229 volatile sig_atomic_t   restart_wm = 0;
 230 int                     outputs = 0;
 231 int                     last_focus_event = FocusOut;
 232 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 233 int                     other_wm;
 234 int                     ss_enabled = 0;
 235 int                     xrandr_support;
 236 int                     xrandr_eventbase;
 237 unsigned int            numlockmask = 0;
 238 Display                 *display;
 239 xcb_connection_t        *conn;
 240
 241 int                     cycle_empty = 0;
 242 int                     cycle_visible = 0;
 243 int                     term_width = 0;
 244 int                     font_adjusted = 0;
 245 unsigned int            mod_key = MODKEY;
 246
 247 /* dmenu search */
 248 struct swm_region       *search_r;
 249 int                     select_list_pipe[2];
 250 int                     select_resp_pipe[2];
 251 pid_t                   searchpid;
 252 volatile sig_atomic_t   search_resp;
 253 int                     search_resp_action;
 254
 255 struct search_window {
 256         TAILQ_ENTRY(search_window)      entry;
 257         int                             idx;
 258         struct ws_win                   *win;
 259         GC                              gc;
 260         xcb_window_t                    indicator;
 261 };
 262 TAILQ_HEAD(search_winlist, search_window);
 263 struct search_winlist                   search_wl;
 264
 265 /* search actions */
 266 enum {
 267         SWM_SEARCH_NONE,
 268         SWM_SEARCH_UNICONIFY,
 269         SWM_SEARCH_NAME_WORKSPACE,
 270         SWM_SEARCH_SEARCH_WORKSPACE,
 271         SWM_SEARCH_SEARCH_WINDOW
 272 };
 273
 274 #define SWM_STACK_TOP           (0)
 275 #define SWM_STACK_BOTTOM        (1)
 276 #define SWM_STACK_ABOVE         (2)
 277 #define SWM_STACK_BELOW         (3)
 278
 279 /* dialog windows */
 280 double                  dialog_ratio = 0.6;
 281 /* status bar */
 282 #define SWM_BAR_MAX             (256)
 283 #define SWM_BAR_JUSTIFY_LEFT    (0)
 284 #define SWM_BAR_JUSTIFY_CENTER  (1)
 285 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 286 #define SWM_BAR_OFFSET          (4)
 287 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 288                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 289                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 290                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 291                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 292
 293 #ifdef X_HAVE_UTF8_STRING
 294 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 295 #else
 296 #define DRAWSTRING(x...)        XmbDrawString(x)
 297 #endif
 298
 299 char                    *bar_argv[] = { NULL, NULL };
 300 int                     bar_pipe[2];
 301 unsigned char           bar_ext[SWM_BAR_MAX];
 302 char                    bar_vertext[SWM_BAR_MAX];
 303 int                     bar_version = 0;
 304 sig_atomic_t            bar_alarm = 0;
 305 int                     bar_delay = 30;
 306 int                     bar_enabled = 1;
 307 int                     bar_border_width = 1;
 308 int                     bar_at_bottom = 0;
 309 int                     bar_extra = 1;
 310 int                     bar_extra_running = 0;
 311 int                     bar_verbose = 1;
 312 int                     bar_height = 0;
 313 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 314 char                    *bar_format = NULL;
 315 int                     stack_enabled = 1;
 316 int                     clock_enabled = 1;
 317 int                     urgent_enabled = 0;
 318 char                    *clock_format = NULL;
 319 int                     title_name_enabled = 0;
 320 int                     title_class_enabled = 0;
 321 int                     window_name_enabled = 0;
 322 int                     focus_mode = SWM_FOCUS_DEFAULT;
 323 int                     focus_close = SWM_STACK_BELOW;
 324 int                     focus_close_wrap = 1;
 325 int                     focus_default = SWM_STACK_TOP;
 326 int                     spawn_position = SWM_STACK_TOP;
 327 int                     disable_border = 0;
 328 int                     border_width = 1;
 329 int                     verbose_layout = 0;
 330 pid_t                   bar_pid;
 331 XFontSet                bar_fs;
 332 XFontSetExtents         *bar_fs_extents;
 333 char                    *bar_fonts;
 334 struct passwd           *pwd;
 335
 336 #define SWM_MENU_FN     (2)
 337 #define SWM_MENU_NB     (4)
 338 #define SWM_MENU_NF     (6)
 339 #define SWM_MENU_SB     (8)
 340 #define SWM_MENU_SF     (10)
 341
 342 /* layout manager data */
 343 struct swm_geometry {
 344         int                     x;
 345         int                     y;
 346         int                     w;
 347         int                     h;
 348 };
 349
 350 struct swm_screen;
 351 struct workspace;
 352
 353 struct swm_bar {
 354         xcb_window_t            id;
 355         xcb_pixmap_t            buffer;
 356         struct swm_geometry     g;
 357 };
 358
 359 /* virtual "screens" */
 360 struct swm_region {
 361         TAILQ_ENTRY(swm_region) entry;
 362         struct swm_geometry     g;
 363         struct workspace        *ws;    /* current workspace on this region */
 364         struct workspace        *ws_prior; /* prior workspace on this region */
 365         struct swm_screen       *s;     /* screen idx */
 366         struct swm_bar          *bar;
 367 };
 368 TAILQ_HEAD(swm_region_list, swm_region);
 369
 370 struct ws_win {
 371         TAILQ_ENTRY(ws_win)     entry;
 372         xcb_window_t            id;
 373         xcb_window_t            transient;
 374         struct ws_win           *child_trans;   /* transient child window */
 375         struct swm_geometry     g;              /* current geometry */
 376         struct swm_geometry     g_float;        /* region coordinates */
 377         int                     g_floatvalid;   /* g_float geometry validity */
 378         int                     floatmaxed;     /* whether maxed by max_stack */
 379         int                     floating;
 380         int                     manual;
 381         int                     iconic;
 382         int                     bordered;
 383         unsigned int            ewmh_flags;
 384         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 385         int                     font_steps;
 386         int                     last_inc;
 387         int                     can_delete;
 388         int                     take_focus;
 389         int                     java;
 390         unsigned long           quirks;
 391         struct workspace        *ws;    /* always valid */
 392         struct swm_screen       *s;     /* always valid, never changes */
 393         XWindowAttributes       wa;
 394         XSizeHints              sh;
 395         long                    sh_mask;
 396         XClassHint              ch;
 397         XWMHints                *hints;
 398 };
 399 TAILQ_HEAD(ws_win_list, ws_win);
 400
 401 /* pid goo */
 402 struct pid_e {
 403         TAILQ_ENTRY(pid_e)      entry;
 404         long                    pid;
 405         int                     ws;
 406 };
 407 TAILQ_HEAD(pid_list, pid_e);
 408 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 409
 410 /* layout handlers */
 411 void    stack(void);
 412 void    vertical_config(struct workspace *, int);
 413 void    vertical_stack(struct workspace *, struct swm_geometry *);
 414 void    horizontal_config(struct workspace *, int);
 415 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 416 void    max_stack(struct workspace *, struct swm_geometry *);
 417 void    plain_stacker(struct workspace *);
 418 void    fancy_stacker(struct workspace *);
 419
 420 struct ws_win *find_window(xcb_window_t);
 421
 422 void            grabbuttons(struct ws_win *, int);
 423 void            new_region(struct swm_screen *, int, int, int, int);
 424 void            unmanage_window(struct ws_win *);
 425 uint16_t        getstate(xcb_window_t);
 426
 427 int             conf_load(char *, int);
 428
 429 struct layout {
 430         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 431         void            (*l_config)(struct workspace *, int);
 432         u_int32_t       flags;
 433 #define SWM_L_FOCUSPREV         (1<<0)
 434 #define SWM_L_MAPONFOCUS        (1<<1)
 435         void            (*l_string)(struct workspace *);
 436 } layouts[] =  {
 437         /* stack,               configure */
 438         { vertical_stack,       vertical_config,        0,      plain_stacker },
 439         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 440         { max_stack,            NULL,
 441           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 442         { NULL,                 NULL,                   0,      NULL  },
 443 };
 444
 445 /* position of max_stack mode in the layouts array, index into layouts! */
 446 #define SWM_V_STACK             (0)
 447 #define SWM_H_STACK             (1)
 448 #define SWM_MAX_STACK           (2)
 449
 450 #define SWM_H_SLICE             (32)
 451 #define SWM_V_SLICE             (32)
 452
 453 /* define work spaces */
 454 struct workspace {
 455         int                     idx;            /* workspace index */
 456         char                    *name;          /* workspace name */
 457         int                     always_raise;   /* raise windows on focus */
 458         struct layout           *cur_layout;    /* current layout handlers */
 459         struct ws_win           *focus;         /* may be NULL */
 460         struct ws_win           *focus_prev;    /* may be NULL */
 461         struct swm_region       *r;             /* may be NULL */
 462         struct swm_region       *old_r;         /* may be NULL */
 463         struct ws_win_list      winlist;        /* list of windows in ws */
 464         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 465         char                    stacker[10];    /* display stacker and layout */
 466
 467         /* stacker state */
 468         struct {
 469                                 int horizontal_msize;
 470                                 int horizontal_mwin;
 471                                 int horizontal_stacks;
 472                                 int horizontal_flip;
 473                                 int vertical_msize;
 474                                 int vertical_mwin;
 475                                 int vertical_stacks;
 476                                 int vertical_flip;
 477         } l_state;
 478 };
 479
 480 enum {
 481         SWM_S_COLOR_BAR,
 482         SWM_S_COLOR_BAR_BORDER,
 483         SWM_S_COLOR_BAR_FONT,
 484         SWM_S_COLOR_FOCUS,
 485         SWM_S_COLOR_UNFOCUS,
 486         SWM_S_COLOR_MAX
 487 };
 488
 489 /* physical screen mapping */
 490 #define SWM_WS_MAX              (22)    /* hard limit */
 491 int             workspace_limit = 10;   /* soft limit */
 492
 493 struct swm_screen {
 494         int                     idx;    /* screen index */
 495         struct swm_region_list  rl;     /* list of regions on this screen */
 496         struct swm_region_list  orl;    /* list of old regions */
 497         xcb_window_t            root;
 498         struct workspace        ws[SWM_WS_MAX];
 499
 500         /* colors */
 501         struct {
 502                 uint32_t        color;
 503                 char            *name;
 504         } c[SWM_S_COLOR_MAX];
 505
 506         GC                      bar_gc;
 507 };
 508 struct swm_screen       *screens;
 509
 510 /* args to functions */
 511 union arg {
 512         int                     id;
 513 #define SWM_ARG_ID_FOCUSNEXT    (0)
 514 #define SWM_ARG_ID_FOCUSPREV    (1)
 515 #define SWM_ARG_ID_FOCUSMAIN    (2)
 516 #define SWM_ARG_ID_FOCUSCUR     (4)
 517 #define SWM_ARG_ID_SWAPNEXT     (10)
 518 #define SWM_ARG_ID_SWAPPREV     (11)
 519 #define SWM_ARG_ID_SWAPMAIN     (12)
 520 #define SWM_ARG_ID_MOVELAST     (13)
 521 #define SWM_ARG_ID_MASTERSHRINK (20)
 522 #define SWM_ARG_ID_MASTERGROW   (21)
 523 #define SWM_ARG_ID_MASTERADD    (22)
 524 #define SWM_ARG_ID_MASTERDEL    (23)
 525 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 526 #define SWM_ARG_ID_STACKRESET   (30)
 527 #define SWM_ARG_ID_STACKINIT    (31)
 528 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 529 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 530 #define SWM_ARG_ID_CYCLESC_UP   (42)
 531 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 532 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 533 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 534 #define SWM_ARG_ID_STACKINC     (50)
 535 #define SWM_ARG_ID_STACKDEC     (51)
 536 #define SWM_ARG_ID_SS_ALL       (60)
 537 #define SWM_ARG_ID_SS_WINDOW    (61)
 538 #define SWM_ARG_ID_DONTCENTER   (70)
 539 #define SWM_ARG_ID_CENTER       (71)
 540 #define SWM_ARG_ID_KILLWINDOW   (80)
 541 #define SWM_ARG_ID_DELETEWINDOW (81)
 542 #define SWM_ARG_ID_WIDTHGROW    (90)
 543 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 544 #define SWM_ARG_ID_HEIGHTGROW   (92)
 545 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 546 #define SWM_ARG_ID_MOVEUP       (100)
 547 #define SWM_ARG_ID_MOVEDOWN     (101)
 548 #define SWM_ARG_ID_MOVELEFT     (102)
 549 #define SWM_ARG_ID_MOVERIGHT    (103)
 550         char                    **argv;
 551 };
 552
 553 void    focus(struct swm_region *, union arg *);
 554 void    focus_magic(struct ws_win *);
 555
 556 /* quirks */
 557 struct quirk {
 558         TAILQ_ENTRY(quirk)      entry;
 559         char                    *class;
 560         char                    *name;
 561         unsigned long           quirk;
 562 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 563 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 564 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 565 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 566 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 567 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 568 };
 569 TAILQ_HEAD(quirk_list, quirk);
 570 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 571
 572 /*
 573  * Supported EWMH hints should be added to
 574  * both the enum and the ewmh array
 575  */
 576 enum {
 577         _NET_ACTIVE_WINDOW,
 578         _NET_CLOSE_WINDOW,
 579         _NET_MOVERESIZE_WINDOW,
 580         _NET_WM_ACTION_CLOSE,
 581         _NET_WM_ACTION_FULLSCREEN,
 582         _NET_WM_ACTION_MOVE,
 583         _NET_WM_ACTION_RESIZE,
 584         _NET_WM_ALLOWED_ACTIONS,
 585         _NET_WM_STATE,
 586         _NET_WM_STATE_ABOVE,
 587         _NET_WM_STATE_FULLSCREEN,
 588         _NET_WM_STATE_HIDDEN,
 589         _NET_WM_STATE_MAXIMIZED_HORZ,
 590         _NET_WM_STATE_MAXIMIZED_VERT,
 591         _NET_WM_STATE_SKIP_PAGER,
 592         _NET_WM_STATE_SKIP_TASKBAR,
 593         _NET_WM_WINDOW_TYPE,
 594         _NET_WM_WINDOW_TYPE_DIALOG,
 595         _NET_WM_WINDOW_TYPE_DOCK,
 596         _NET_WM_WINDOW_TYPE_NORMAL,
 597         _NET_WM_WINDOW_TYPE_SPLASH,
 598         _NET_WM_WINDOW_TYPE_TOOLBAR,
 599         _NET_WM_WINDOW_TYPE_UTILITY,
 600         _SWM_WM_STATE_MANUAL,
 601         SWM_EWMH_HINT_MAX
 602 };
 603
 604 struct ewmh_hint {
 605         char            *name;
 606         xcb_atom_t      atom;
 607 } ewmh[SWM_EWMH_HINT_MAX] =     {
 608     /* must be in same order as in the enum */
 609     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 610     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 611     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 612     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 613     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 614     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 615     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 616     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 617     {"_NET_WM_STATE", XCB_ATOM_NONE},
 618     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 619     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 620     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 621     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 622     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 623     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 624     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 625     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 626     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 627     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 628     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 629     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 630     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 631     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 632     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 633 };
 634
 635 void             store_float_geom(struct ws_win *, struct swm_region *);
 636 int              floating_toggle_win(struct ws_win *);
 637 void             constrain_window(struct ws_win *, struct swm_region *, int);
 638 void             update_window(struct ws_win *);
 639 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 640 unsigned char   *get_win_name(xcb_window_t);
 641 xcb_atom_t       get_atom_from_string(const char *);
 642 void            map_window_raised(xcb_window_t);
 643 void            do_sync(void);
 644
 645 void
 646 do_sync(void)
 647 {
 648         xcb_get_input_focus_cookie_t    c;
 649         xcb_get_input_focus_reply_t     *r;
 650
 651         /* mimic XSync() */
 652         c = xcb_get_input_focus(conn);
 653         xcb_flush(conn);
 654         r = xcb_get_input_focus_reply(conn, c, NULL);
 655         if (r)
 656                 free(r);
 657 }
 658
 659 void
 660 map_window_raised(xcb_window_t win)
 661 {
 662         uint32_t        val = XCB_STACK_MODE_ABOVE;
 663
 664         xcb_configure_window(conn, win,
 665                 XCB_CONFIG_WINDOW_STACK_MODE, &val);
 666
 667         xcb_map_window(conn, win);
 668         xcb_flush(conn);
 669 }
 670
 671 xcb_atom_t
 672 get_atom_from_string(const char *str)
 673 {
 674         xcb_intern_atom_cookie_t        c;
 675         xcb_intern_atom_reply_t         *r;
 676         xcb_atom_t                      atom;
 677
 678         c = xcb_intern_atom(conn, False, strlen(str), str);
 679         r = xcb_intern_atom_reply(conn, c, NULL);
 680         if (r) {
 681                 atom = r->atom;
 682                 free(r);
 683
 684                 return (atom);
 685         }
 686
 687         return (XCB_ATOM_NONE);
 688 }
 689
 690 int
 691 get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
 692     unsigned long *nbytes, unsigned char **data)
 693 {
 694         int                     format, status;
 695         unsigned long           *nbytes_ret, *nitems_ret;
 696         unsigned long           nbytes_tmp, nitems_tmp;
 697         Atom                    real;
 698
 699         nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
 700         nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
 701
 702         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 703             &real, &format, nitems_ret, nbytes_ret, data);
 704
 705         if (status != Success)
 706                 return (False);
 707         if (real != type)
 708                 return (False);
 709
 710         return (True);
 711 }
 712
 713 void
 714 update_iconic(struct ws_win *win, int newv)
 715 {
 716         int32_t                         v = newv;
 717         xcb_atom_t                      iprop;
 718
 719         win->iconic = newv;
 720
 721         iprop = get_atom_from_string("_SWM_ICONIC");
 722         if (iprop == XCB_ATOM_NONE)
 723                 return;
 724
 725         if (newv)
 726                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 727                         iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 728         else
 729                 xcb_delete_property(conn, win->id, iprop);
 730 }
 731
 732 int
 733 get_iconic(struct ws_win *win)
 734 {
 735         int32_t v = 0, *vtmp;
 736         xcb_atom_t                      iprop;
 737         xcb_get_property_cookie_t       pc;
 738         xcb_get_property_reply_t        *pr = NULL;
 739
 740         iprop = get_atom_from_string("_SWM_ICONIC");
 741         if (iprop == XCB_ATOM_NONE)
 742                 goto out;
 743
 744         pc = xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 745                         0, 1);
 746         pr = xcb_get_property_reply(conn, pc, NULL);
 747         if (!pr)
 748                 goto out;
 749         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 750                 goto out;
 751         vtmp = xcb_get_property_value(pr);
 752         v = *vtmp;
 753 out:
 754         if (pr != NULL)
 755                 free(pr);
 756         return (v);
 757 }
 758
 759 void
 760 setup_ewmh(void)
 761 {
 762         xcb_atom_t                      sup_list;
 763         int                             i, j, num_screens;
 764
 765         sup_list = get_atom_from_string("_NET_SUPPORTED");
 766
 767         for (i = 0; i < LENGTH(ewmh); i++)
 768                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 769
 770         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 771         for (i = 0; i < num_screens; i++) {
 772                 /* Support check window will be created by workaround(). */
 773
 774                 /* Report supported atoms */
 775                 xcb_delete_property(conn, screens[i].root, sup_list);
 776                 for (j = 0; j < LENGTH(ewmh); j++)
 777                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 778                                 screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 779                                 &ewmh[j].atom);
 780         }
 781 }
 782
 783 void
 784 teardown_ewmh(void)
 785 {
 786         int                             i, num_screens;
 787         xcb_atom_t                      sup_check, sup_list;
 788         xcb_window_t                    id;
 789         xcb_get_property_cookie_t       pc;
 790         xcb_get_property_reply_t        *pr;
 791
 792         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 793         sup_list = get_atom_from_string("_NET_SUPPORTED");
 794         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 795
 796         for (i = 0; i < num_screens; i++) {
 797                 /* Get the support check window and destroy it */
 798                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 799                         XCB_ATOM_WINDOW, 0, 1);
 800                 pr = xcb_get_property_reply(conn, pc, NULL);
 801                 if (pr) {
 802                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 803
 804                         xcb_destroy_window(conn, id);
 805                         xcb_delete_property(conn, screens[i].root, sup_check);
 806                         xcb_delete_property(conn, screens[i].root, sup_list);
 807
 808                         free(pr);
 809                 }
 810         }
 811 }
 812
 813 void
 814 ewmh_autoquirk(struct ws_win *win)
 815 {
 816         int                     i;
 817         unsigned long           n;
 818         xcb_atom_t              type;
 819
 820         xcb_get_property_cookie_t       c;
 821         xcb_get_property_reply_t        *r;
 822
 823         c = xcb_get_property(conn, False, win->id,
 824                 ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, (~0L));
 825         r = xcb_get_property_reply(conn, c, NULL);
 826         if (!r)
 827                 return;
 828         n = xcb_get_property_value_length(r);
 829
 830         for (i = 0; i < n; i++) {
 831                 type = *((xcb_atom_t *)xcb_get_property_value(r));
 832                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 833                         break;
 834                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 835                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 836                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 837                         win->floating = 1;
 838                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 839                         break;
 840                 }
 841                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 842                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 843                         win->floating = 1;
 844                         win->quirks = SWM_Q_FLOAT;
 845                         break;
 846                 }
 847         }
 848         free(r);
 849 }
 850
 851 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 852 #define EWMH_F_FULLSCREEN               (1<<0)
 853 #define EWMH_F_ABOVE                    (1<<1)
 854 #define EWMH_F_HIDDEN                   (1<<2)
 855 #define EWMH_F_SKIP_PAGER               (1<<3)
 856 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 857 #define SWM_F_MANUAL                    (1<<5)
 858
 859 int
 860 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 861 {
 862         if (!win->ws->r)
 863                 return (0);
 864
 865         if (!win->floating)
 866                 return (0);
 867
 868         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 869             "fullscreen %s\n", win->id, YESNO(fs));
 870
 871         if (fs) {
 872                 if (!win->g_floatvalid)
 873                         store_float_geom(win, win->ws->r);
 874
 875                 win->g = win->ws->r->g;
 876                 win->bordered = 0;
 877         } else {
 878                 if (win->g_floatvalid) {
 879                         /* refloat at last floating relative position */
 880                         win->g = win->g_float;
 881                         X(win) += X(win->ws->r);
 882                         Y(win) += Y(win->ws->r);
 883                 }
 884         }
 885
 886         return (1);
 887 }
 888
 889 void
 890 ewmh_update_actions(struct ws_win *win)
 891 {
 892         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 893         int                     n = 0;
 894
 895         if (win == NULL)
 896                 return;
 897
 898         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 899
 900         if (win->floating) {
 901                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 902                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 903         }
 904
 905         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 906                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 907                 actions);
 908 }
 909
 910 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 911 #define _NET_WM_STATE_ADD       1    /* add/set property */
 912 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 913
 914 void
 915 ewmh_update_win_state(struct ws_win *win, long state, long action)
 916 {
 917         unsigned int            mask = 0;
 918         unsigned int            changed = 0;
 919         unsigned int            orig_flags;
 920
 921         if (win == NULL)
 922                 return;
 923
 924         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 925                 mask = EWMH_F_FULLSCREEN;
 926         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 927                 mask = EWMH_F_ABOVE;
 928         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 929                 mask = SWM_F_MANUAL;
 930         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 931                 mask = EWMH_F_SKIP_PAGER;
 932         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 933                 mask = EWMH_F_SKIP_TASKBAR;
 934
 935
 936         orig_flags = win->ewmh_flags;
 937
 938         switch (action) {
 939         case _NET_WM_STATE_REMOVE:
 940                 win->ewmh_flags &= ~mask;
 941                 break;
 942         case _NET_WM_STATE_ADD:
 943                 win->ewmh_flags |= mask;
 944                 break;
 945         case _NET_WM_STATE_TOGGLE:
 946                 win->ewmh_flags ^= mask;
 947                 break;
 948         }
 949
 950         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 951
 952         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 953                 if (changed)
 954                         if (!floating_toggle_win(win))
 955                                 win->ewmh_flags = orig_flags; /* revert */
 956         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 957                 if (changed)
 958                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 959         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 960                 if (changed)
 961                         if (!ewmh_set_win_fullscreen(win,
 962                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 963                                 win->ewmh_flags = orig_flags; /* revert */
 964
 965         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 966
 967         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 968                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 969                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 970                         &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 971         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 972                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 973                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 974                         &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 975         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 976                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 977                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 978                         &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
 979         if (win->ewmh_flags & EWMH_F_ABOVE)
 980                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 981                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 982                         &ewmh[_NET_WM_STATE_ABOVE].atom);
 983         if (win->ewmh_flags & SWM_F_MANUAL)
 984                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 985                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 986                         &ewmh[_SWM_WM_STATE_MANUAL].atom);
 987 }
 988
 989 void
 990 ewmh_get_win_state(struct ws_win *win)
 991 {
 992         xcb_atom_t                      *states;
 993         xcb_get_property_cookie_t       c;
 994         xcb_get_property_reply_t        *r;
 995         int                             i, n;
 996
 997         if (win == NULL)
 998                 return;
 999
1000         win->ewmh_flags = 0;
1001         if (win->floating)
1002                 win->ewmh_flags |= EWMH_F_ABOVE;
1003         if (win->manual)
1004                 win->ewmh_flags |= SWM_F_MANUAL;
1005
1006         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1007                 XCB_ATOM_ATOM, 0, (~0L));
1008         r = xcb_get_property_reply(conn, c, NULL);
1009         if (!r)
1010                 return;
1011
1012         states = xcb_get_property_value(r);
1013         n = xcb_get_property_value_length(r);
1014
1015         free(r);
1016
1017         for (i = 0; i < n; i++)
1018                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1019 }
1020
1021 /* events */
1022 #ifdef SWM_DEBUG
1023 char *
1024 geteventname(XEvent *e)
1025 {
1026         char                    *name = NULL;
1027
1028         switch (e->type) {
1029         case KeyPress:
1030                 name = "KeyPress";
1031                 break;
1032         case KeyRelease:
1033                 name = "KeyRelease";
1034                 break;
1035         case ButtonPress:
1036                 name = "ButtonPress";
1037                 break;
1038         case ButtonRelease:
1039                 name = "ButtonRelease";
1040                 break;
1041         case MotionNotify:
1042                 name = "MotionNotify";
1043                 break;
1044         case EnterNotify:
1045                 name = "EnterNotify";
1046                 break;
1047         case LeaveNotify:
1048                 name = "LeaveNotify";
1049                 break;
1050         case FocusIn:
1051                 name = "FocusIn";
1052                 break;
1053         case FocusOut:
1054                 name = "FocusOut";
1055                 break;
1056         case KeymapNotify:
1057                 name = "KeymapNotify";
1058                 break;
1059         case Expose:
1060                 name = "Expose";
1061                 break;
1062         case GraphicsExpose:
1063                 name = "GraphicsExpose";
1064                 break;
1065         case NoExpose:
1066                 name = "NoExpose";
1067                 break;
1068         case VisibilityNotify:
1069                 name = "VisibilityNotify";
1070                 break;
1071         case CreateNotify:
1072                 name = "CreateNotify";
1073                 break;
1074         case DestroyNotify:
1075                 name = "DestroyNotify";
1076                 break;
1077         case UnmapNotify:
1078                 name = "UnmapNotify";
1079                 break;
1080         case MapNotify:
1081                 name = "MapNotify";
1082                 break;
1083         case MapRequest:
1084                 name = "MapRequest";
1085                 break;
1086         case ReparentNotify:
1087                 name = "ReparentNotify";
1088                 break;
1089         case ConfigureNotify:
1090                 name = "ConfigureNotify";
1091                 break;
1092         case ConfigureRequest:
1093                 name = "ConfigureRequest";
1094                 break;
1095         case GravityNotify:
1096                 name = "GravityNotify";
1097                 break;
1098         case ResizeRequest:
1099                 name = "ResizeRequest";
1100                 break;
1101         case CirculateNotify:
1102                 name = "CirculateNotify";
1103                 break;
1104         case CirculateRequest:
1105                 name = "CirculateRequest";
1106                 break;
1107         case PropertyNotify:
1108                 name = "PropertyNotify";
1109                 break;
1110         case SelectionClear:
1111                 name = "SelectionClear";
1112                 break;
1113         case SelectionRequest:
1114                 name = "SelectionRequest";
1115                 break;
1116         case SelectionNotify:
1117                 name = "SelectionNotify";
1118                 break;
1119         case ColormapNotify:
1120                 name = "ColormapNotify";
1121                 break;
1122         case ClientMessage:
1123                 name = "ClientMessage";
1124                 break;
1125         case MappingNotify:
1126                 name = "MappingNotify";
1127                 break;
1128         default:
1129                 name = "Unknown";
1130         }
1131
1132         return (name);
1133 }
1134
1135 char *
1136 xrandr_geteventname(XEvent *e)
1137 {
1138         char                    *name = NULL;
1139
1140         switch(e->type - xrandr_eventbase) {
1141         case RRScreenChangeNotify:
1142                 name = "RRScreenChangeNotify";
1143                 break;
1144         default:
1145                 name = "Unknown";
1146         }
1147
1148         return (name);
1149 }
1150
1151 void
1152 dumpwins(struct swm_region *r, union arg *args)
1153 {
1154         struct ws_win                           *win;
1155         uint16_t                                state;
1156         xcb_get_window_attributes_cookie_t      c;
1157         xcb_get_window_attributes_reply_t       *wa;
1158
1159         if (r->ws == NULL) {
1160                 warnx("dumpwins: invalid workspace");
1161                 return;
1162         }
1163
1164         warnx("=== managed window list ws %02d ===", r->ws->idx);
1165         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1166                 state = getstate(win->id);
1167                 c = xcb_get_window_attributes(conn, win->id);
1168                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1169                 if (wa) {
1170                         warnx("window: 0x%x, map_state: %d, state: %u, "
1171                                 "transient: 0x%x", win->id, wa->map_state,
1172                                 state, win->transient);
1173                         free(wa);
1174                 } else
1175                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1176                             win->id);
1177         }
1178
1179         warnx("===== unmanaged window list =====");
1180         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1181                 state = getstate(win->id);
1182                 c = xcb_get_window_attributes(conn, win->id);
1183                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1184                 if (wa) {
1185                         warnx("window: 0x%x, map_state: %d, state: %u, "
1186                                 "transient: 0x%x", win->id, wa->map_state,
1187                                 state, win->transient);
1188                         free(wa);
1189                 } else
1190                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1191                             win->id);
1192         }
1193
1194         warnx("=================================");
1195 }
1196 #else
1197 void
1198 dumpwins(struct swm_region *r, union arg *args)
1199 {
1200 }
1201 #endif /* SWM_DEBUG */
1202
1203 void                    expose(XEvent *);
1204 void                    keypress(XEvent *);
1205 void                    buttonpress(XEvent *);
1206 void                    configurerequest(XEvent *);
1207 void                    configurenotify(XEvent *);
1208 void                    destroynotify(XEvent *);
1209 void                    enternotify(XEvent *);
1210 void                    focusevent(XEvent *);
1211 void                    mapnotify(XEvent *);
1212 void                    mappingnotify(XEvent *);
1213 void                    maprequest(XEvent *);
1214 void                    propertynotify(XEvent *);
1215 void                    unmapnotify(XEvent *);
1216 void                    visibilitynotify(XEvent *);
1217 void                    clientmessage(XEvent *);
1218
1219 void                    (*handler[LASTEvent])(XEvent *) = {
1220                                 [Expose] = expose,
1221                                 [KeyPress] = keypress,
1222                                 [ButtonPress] = buttonpress,
1223                                 [ConfigureRequest] = configurerequest,
1224                                 [ConfigureNotify] = configurenotify,
1225                                 [DestroyNotify] = destroynotify,
1226                                 [EnterNotify] = enternotify,
1227                                 [FocusIn] = focusevent,
1228                                 [FocusOut] = focusevent,
1229                                 [MapNotify] = mapnotify,
1230                                 [MappingNotify] = mappingnotify,
1231                                 [MapRequest] = maprequest,
1232                                 [PropertyNotify] = propertynotify,
1233                                 [UnmapNotify] = unmapnotify,
1234                                 [VisibilityNotify] = visibilitynotify,
1235                                 [ClientMessage] = clientmessage,
1236 };
1237
1238 void
1239 sighdlr(int sig)
1240 {
1241         int                     saved_errno, status;
1242         pid_t                   pid;
1243
1244         saved_errno = errno;
1245
1246         switch (sig) {
1247         case SIGCHLD:
1248                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1249                         if (pid == -1) {
1250                                 if (errno == EINTR)
1251                                         continue;
1252 #ifdef SWM_DEBUG
1253                                 if (errno != ECHILD)
1254                                         warn("sighdlr: waitpid");
1255 #endif /* SWM_DEBUG */
1256                                 break;
1257                         }
1258                         if (pid == searchpid)
1259                                 search_resp = 1;
1260
1261 #ifdef SWM_DEBUG
1262                         if (WIFEXITED(status)) {
1263                                 if (WEXITSTATUS(status) != 0)
1264                                         warnx("sighdlr: child exit status: %d",
1265                                             WEXITSTATUS(status));
1266                         } else
1267                                 warnx("sighdlr: child is terminated "
1268                                     "abnormally");
1269 #endif /* SWM_DEBUG */
1270                 }
1271                 break;
1272
1273         case SIGHUP:
1274                 restart_wm = 1;
1275                 break;
1276         case SIGINT:
1277         case SIGTERM:
1278         case SIGQUIT:
1279                 running = 0;
1280                 break;
1281         }
1282
1283         errno = saved_errno;
1284 }
1285
1286 struct pid_e *
1287 find_pid(long pid)
1288 {
1289         struct pid_e            *p = NULL;
1290
1291         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1292
1293         if (pid == 0)
1294                 return (NULL);
1295
1296         TAILQ_FOREACH(p, &pidlist, entry) {
1297                 if (p->pid == pid)
1298                         return (p);
1299         }
1300
1301         return (NULL);
1302 }
1303
1304 uint32_t
1305 name_to_color(const char *colorname)
1306 {
1307         uint32_t                        result = 0;
1308         char                            cname[32] = "#";
1309         xcb_screen_t                    *screen;
1310         xcb_colormap_t                  cmap;
1311         xcb_alloc_named_color_cookie_t  c;
1312         xcb_alloc_named_color_reply_t   *r;
1313
1314         /* XXX - does not support rgb:/RR/GG/BB
1315          *       will need to use xcb_alloc_color
1316          */
1317         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1318         cmap = screen->default_colormap;
1319
1320         c = xcb_alloc_named_color(conn, cmap, strlen(colorname), colorname);
1321         r = xcb_alloc_named_color_reply(conn, c, NULL);
1322         if (!r) {
1323                 strlcat(cname, colorname + 2, sizeof cname - 1);
1324                 c = xcb_alloc_named_color(conn, cmap, strlen(cname),
1325                         cname);
1326                 r = xcb_alloc_named_color_reply(conn, c, NULL);
1327         }
1328         if (r) {
1329                 result = r->pixel;
1330                 free(r);
1331         } else
1332                 warnx("color '%s' not found", colorname);
1333
1334         return (result);
1335 }
1336
1337 void
1338 setscreencolor(char *val, int i, int c)
1339 {
1340         int     num_screens;
1341
1342         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1343         if (i > 0 && i <= num_screens) {
1344                 screens[i - 1].c[c].color = name_to_color(val);
1345                 free(screens[i - 1].c[c].name);
1346                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1347                         err(1, "strdup");
1348         } else if (i == -1) {
1349                 for (i = 0; i < num_screens; i++) {
1350                         screens[i].c[c].color = name_to_color(val);
1351                         free(screens[i].c[c].name);
1352                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1353                                 err(1, "strdup");
1354                 }
1355         } else
1356                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1357                     i, num_screens);
1358 }
1359
1360 void
1361 fancy_stacker(struct workspace *ws)
1362 {
1363         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1364         if (ws->cur_layout->l_stack == vertical_stack)
1365                 snprintf(ws->stacker, sizeof ws->stacker,
1366                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1367                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1368         if (ws->cur_layout->l_stack == horizontal_stack)
1369                 snprintf(ws->stacker, sizeof ws->stacker,
1370                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1371                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1372 }
1373
1374 void
1375 plain_stacker(struct workspace *ws)
1376 {
1377         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1378         if (ws->cur_layout->l_stack == vertical_stack)
1379                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1380                     sizeof ws->stacker);
1381         if (ws->cur_layout->l_stack == horizontal_stack)
1382                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1383                     sizeof ws->stacker);
1384 }
1385
1386 void
1387 custom_region(char *val)
1388 {
1389         unsigned int                    sidx, x, y, w, h;
1390         int                             num_screens;
1391
1392         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1393         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1394                 errx(1, "invalid custom region, "
1395                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1396         if (sidx < 1 || sidx > num_screens)
1397                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1398                     sidx, num_screens);
1399         sidx--;
1400
1401         if (w < 1 || h < 1)
1402                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1403
1404         if (x > DisplayWidth(display, sidx) ||
1405             y > DisplayHeight(display, sidx) ||
1406             w + x > DisplayWidth(display, sidx) ||
1407             h + y > DisplayHeight(display, sidx)) {
1408                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1409                     "boundaries (%ux%u)", w, h, x, y,
1410                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1411                 return;
1412         }
1413
1414         new_region(&screens[sidx], x, y, w, h);
1415 }
1416
1417 void
1418 socket_setnonblock(int fd)
1419 {
1420         int                     flags;
1421
1422         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1423                 err(1, "fcntl F_GETFL");
1424         flags |= O_NONBLOCK;
1425         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1426                 err(1, "fcntl F_SETFL");
1427 }
1428
1429 void
1430 bar_print(struct swm_region *r, const char *s)
1431 {
1432         int                     x = 0;
1433         size_t                  len;
1434         XRectangle              ibox, lbox;
1435
1436         len = strlen(s);
1437         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1438
1439         switch (bar_justify) {
1440         case SWM_BAR_JUSTIFY_LEFT:
1441                 x = SWM_BAR_OFFSET;
1442                 break;
1443         case SWM_BAR_JUSTIFY_CENTER:
1444                 x = (WIDTH(r) - lbox.width) / 2;
1445                 break;
1446         case SWM_BAR_JUSTIFY_RIGHT:
1447                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1448                 break;
1449         }
1450
1451         if (x < SWM_BAR_OFFSET)
1452                 x = SWM_BAR_OFFSET;
1453
1454         /* clear back buffer */
1455         XSetForeground(display, r->s->bar_gc, r->s->c[SWM_S_COLOR_BAR].color);
1456         XFillRectangle(display, r->bar->buffer, r->s->bar_gc, 0, 0,
1457             WIDTH(r->bar), HEIGHT(r->bar));
1458
1459         /* draw back buffer */
1460         XSetForeground(display, r->s->bar_gc,
1461             r->s->c[SWM_S_COLOR_BAR_FONT].color);
1462         DRAWSTRING(display, r->bar->buffer, bar_fs, r->s->bar_gc,
1463                 x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1464                 lbox.y, s, len);
1465
1466         /* blt */
1467         XCopyArea(display, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1468             WIDTH(r->bar), HEIGHT(r->bar), 0, 0);
1469 }
1470
1471 void
1472 bar_extra_stop(void)
1473 {
1474         if (bar_pipe[0]) {
1475                 close(bar_pipe[0]);
1476                 bzero(bar_pipe, sizeof bar_pipe);
1477         }
1478         if (bar_pid) {
1479                 kill(bar_pid, SIGTERM);
1480                 bar_pid = 0;
1481         }
1482         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1483         bar_extra = 0;
1484 }
1485
1486 void
1487 bar_class_name(char *s, size_t sz, struct swm_region *r)
1488 {
1489         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1490                 return;
1491         if (r->ws->focus->ch.res_class != NULL)
1492                 strlcat(s, r->ws->focus->ch.res_class, sz);
1493 }
1494
1495 void
1496 bar_title_name(char *s, size_t sz, struct swm_region *r)
1497 {
1498         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1499                 return;
1500         if (r->ws->focus->ch.res_name != NULL)
1501                 strlcat(s, r->ws->focus->ch.res_name, sz);
1502 }
1503
1504 void
1505 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1506 {
1507         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1508                 return;
1509
1510         bar_class_name(s, sz, r);
1511         strlcat(s, ":", sz);
1512         bar_title_name(s, sz, r);
1513 }
1514
1515 void
1516 bar_window_float(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->floating)
1521                 strlcat(s, "(f)", sz);
1522 }
1523
1524 void
1525 bar_window_name(char *s, size_t sz, struct swm_region *r)
1526 {
1527         unsigned char           *title;
1528
1529         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1530                 return;
1531         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1532                 return;
1533
1534         strlcat(s, (char *)title, sz);
1535         XFree(title);
1536 }
1537
1538 int             urgent[SWM_WS_MAX];
1539 void
1540 bar_urgent(char *s, size_t sz)
1541 {
1542         struct ws_win           *win;
1543         int                     i, j, num_screens;
1544         char                    b[8];
1545         xcb_get_property_cookie_t       c;
1546         xcb_icccm_wm_hints_t    hints;
1547
1548         for (i = 0; i < workspace_limit; i++)
1549                 urgent[i] = 0;
1550
1551         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1552         for (i = 0; i < num_screens; i++)
1553                 for (j = 0; j < workspace_limit; j++)
1554                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1555                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1556                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1557                                                 &hints, NULL) == 0)
1558                                         continue;
1559                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1560                                         urgent[j] = 1;
1561                         }
1562
1563         for (i = 0; i < workspace_limit; i++) {
1564                 if (urgent[i])
1565                         snprintf(b, sizeof b, "%d ", i + 1);
1566                 else
1567                         snprintf(b, sizeof b, "- ");
1568                 strlcat(s, b, sz);
1569         }
1570 }
1571
1572 void
1573 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1574 {
1575         if (r == NULL || r->ws == NULL)
1576                 return;
1577         if (r->ws->name != NULL)
1578                 strlcat(s, r->ws->name, sz);
1579 }
1580
1581 /* build the default bar format according to the defined enabled options */
1582 void
1583 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1584 {
1585         /* if format provided, just copy the buffers */
1586         if (bar_format != NULL) {
1587                 strlcpy(fmtnew, fmtexp, sz);
1588                 return;
1589         }
1590
1591         /* reset the output buffer */
1592         *fmtnew = '\0';
1593
1594         strlcat(fmtnew, "+N:+I ", sz);
1595         if (stack_enabled)
1596                 strlcat(fmtnew, "+S", sz);
1597         strlcat(fmtnew, " ", sz);
1598
1599         /* only show the workspace name if there's actually one */
1600         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1601                 strlcat(fmtnew, "<+D>", sz);
1602         strlcat(fmtnew, "+3<", sz);
1603
1604         if (clock_enabled) {
1605                 strlcat(fmtnew, fmtexp, sz);
1606                 strlcat(fmtnew, "+4<", sz);
1607         }
1608
1609         /* bar_urgent already adds the space before the last asterisk */
1610         if (urgent_enabled)
1611                 strlcat(fmtnew, "* +U*+4<", sz);
1612
1613         if (title_class_enabled) {
1614                 strlcat(fmtnew, "+C", sz);
1615                 if (title_name_enabled == 0)
1616                         strlcat(fmtnew, "+4<", sz);
1617         }
1618
1619         /* checks needed by the colon and floating strlcat(3) calls below */
1620         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1621                 if (title_name_enabled) {
1622                         if (title_class_enabled)
1623                                 strlcat(fmtnew, ":", sz);
1624                         strlcat(fmtnew, "+T+4<", sz);
1625                 }
1626                 if (window_name_enabled) {
1627                         if (r->ws->focus->floating)
1628                                 strlcat(fmtnew, "+F ", sz);
1629                         strlcat(fmtnew, "+64W ", sz);
1630                 }
1631         }
1632
1633         /* finally add the action script output and the version */
1634         strlcat(fmtnew, "+4<+A+4<+V", sz);
1635 }
1636
1637 void
1638 bar_replace_pad(char *tmp, int *limit, size_t sz)
1639 {
1640         /* special case; no limit given, pad one space, instead */
1641         if (*limit == sz - 1)
1642                 *limit = 1;
1643         snprintf(tmp, sz, "%*s", *limit, " ");
1644 }
1645
1646 /* replaces the bar format character sequences (like in tmux(1)) */
1647 char *
1648 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1649     size_t sz)
1650 {
1651         char                    *ptr;
1652         char                    tmp[SWM_BAR_MAX];
1653         int                     limit, size;
1654         size_t                  len;
1655
1656         /* reset strlcat(3) buffer */
1657         *tmp = '\0';
1658
1659         /* get number, if any */
1660         fmt++;
1661         size = 0;
1662         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1663                 limit = sizeof tmp - 1;
1664         if (limit <= 0 || limit >= sizeof tmp)
1665                 limit = sizeof tmp - 1;
1666
1667         /* there is nothing to replace (ie EOL) */
1668         fmt += size;
1669         if (*fmt == '\0')
1670                 return (fmt);
1671
1672         switch (*fmt) {
1673         case '<':
1674                 bar_replace_pad(tmp, &limit, sizeof tmp);
1675                 break;
1676         case 'A':
1677                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1678                 break;
1679         case 'C':
1680                 bar_class_name(tmp, sizeof tmp, r);
1681                 break;
1682         case 'D':
1683                 bar_workspace_name(tmp, sizeof tmp, r);
1684                 break;
1685         case 'F':
1686                 bar_window_float(tmp, sizeof tmp, r);
1687                 break;
1688         case 'I':
1689                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1690                 break;
1691         case 'N':
1692                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1693                 break;
1694         case 'P':
1695                 bar_class_title_name(tmp, sizeof tmp, r);
1696                 break;
1697         case 'S':
1698                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1699                 break;
1700         case 'T':
1701                 bar_title_name(tmp, sizeof tmp, r);
1702                 break;
1703         case 'U':
1704                 bar_urgent(tmp, sizeof tmp);
1705                 break;
1706         case 'V':
1707                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1708                 break;
1709         case 'W':
1710                 bar_window_name(tmp, sizeof tmp, r);
1711                 break;
1712         default:
1713                 /* unknown character sequence; copy as-is */
1714                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1715                 break;
1716         }
1717
1718         len = strlen(tmp);
1719         ptr = tmp;
1720         if (len < limit)
1721                 limit = len;
1722         while (limit-- > 0) {
1723                 if (*offrep >= sz - 1)
1724                         break;
1725                 fmtrep[(*offrep)++] = *ptr++;
1726         }
1727
1728         fmt++;
1729         return (fmt);
1730 }
1731
1732 void
1733 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1734 {
1735         size_t                  off;
1736
1737         off = 0;
1738         while (*fmt != '\0') {
1739                 if (*fmt != '+') {
1740                         /* skip ordinary characters */
1741                         if (off >= sz - 1)
1742                                 break;
1743                         fmtrep[off++] = *fmt++;
1744                         continue;
1745                 }
1746
1747                 /* character sequence found; replace it */
1748                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1749                 if (off >= sz - 1)
1750                         break;
1751         }
1752
1753         fmtrep[off] = '\0';
1754 }
1755
1756 void
1757 bar_fmt_expand(char *fmtexp, size_t sz)
1758 {
1759         char                    *fmt = NULL;
1760         size_t                  len;
1761         struct tm               tm;
1762         time_t                  tmt;
1763
1764         /* start by grabbing the current time and date */
1765         time(&tmt);
1766         localtime_r(&tmt, &tm);
1767
1768         /* figure out what to expand */
1769         if (bar_format != NULL)
1770                 fmt = bar_format;
1771         else if (bar_format == NULL && clock_enabled)
1772                 fmt = clock_format;
1773         /* if nothing to expand bail out */
1774         if (fmt == NULL) {
1775                 *fmtexp = '\0';
1776                 return;
1777         }
1778
1779         /* copy as-is, just in case the format shouldn't be expanded below */
1780         strlcpy(fmtexp, fmt, sz);
1781         /* finally pass the string through strftime(3) */
1782 #ifndef SWM_DENY_CLOCK_FORMAT
1783         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1784                 warnx("format too long");
1785         fmtexp[len] = '\0';
1786 #endif
1787 }
1788
1789 void
1790 bar_fmt_print(void)
1791 {
1792         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1793         char                    fmtrep[SWM_BAR_MAX];
1794         int                     i, num_screens;
1795         struct swm_region       *r;
1796
1797         /* expand the format by first passing it through strftime(3) */
1798         bar_fmt_expand(fmtexp, sizeof fmtexp);
1799
1800         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1801         for (i = 0; i < num_screens; i++) {
1802                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1803                         if (r->bar == NULL)
1804                                 continue;
1805                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1806                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1807                         bar_print(r, fmtrep);
1808                 }
1809         }
1810 }
1811
1812 void
1813 bar_update(void)
1814 {
1815         size_t                  len;
1816         char                    *b;
1817
1818         if (bar_enabled == 0)
1819                 return;
1820         if (bar_extra && bar_extra_running) {
1821                 /* ignore short reads; it'll correct itself */
1822                 while ((b = fgetln(stdin, &len)) != NULL)
1823                         if (b && b[len - 1] == '\n') {
1824                                 b[len - 1] = '\0';
1825                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1826                         }
1827                 if (b == NULL && errno != EAGAIN) {
1828                         warn("bar_update: bar_extra failed");
1829                         bar_extra_stop();
1830                 }
1831         } else
1832                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1833
1834         bar_fmt_print();
1835         alarm(bar_delay);
1836 }
1837
1838 void
1839 bar_signal(int sig)
1840 {
1841         bar_alarm = 1;
1842 }
1843
1844 void
1845 bar_toggle(struct swm_region *r, union arg *args)
1846 {
1847         struct swm_region       *tmpr;
1848         int                     i, num_screens;
1849
1850         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1851
1852         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1853         if (bar_enabled) {
1854                 for (i = 0; i < num_screens; i++)
1855                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1856                                 if (tmpr->bar)
1857                                         xcb_unmap_window(conn, tmpr->bar->id);
1858         } else {
1859                 for (i = 0; i < num_screens; i++)
1860                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1861                                 if (tmpr->bar)
1862                                         map_window_raised(tmpr->bar->id);
1863         }
1864
1865         bar_enabled = !bar_enabled;
1866
1867         stack();
1868         /* must be after stack */
1869         bar_update();
1870 }
1871
1872 void
1873 bar_refresh(void)
1874 {
1875         struct swm_region       *r;
1876         uint32_t                wa[2];
1877         int                     i, num_screens;
1878
1879         /* do this here because the conf file is in memory */
1880         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1881                 /* launch external status app */
1882                 bar_extra_running = 1;
1883                 if (pipe(bar_pipe) == -1)
1884                         err(1, "pipe error");
1885                 socket_setnonblock(bar_pipe[0]);
1886                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1887                 if (dup2(bar_pipe[0], 0) == -1)
1888                         err(1, "dup2");
1889                 if (dup2(bar_pipe[1], 1) == -1)
1890                         err(1, "dup2");
1891                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1892                         err(1, "could not disable SIGPIPE");
1893                 switch (bar_pid = fork()) {
1894                 case -1:
1895                         err(1, "cannot fork");
1896                         break;
1897                 case 0: /* child */
1898                         close(bar_pipe[0]);
1899                         execvp(bar_argv[0], bar_argv);
1900                         err(1, "%s external app failed", bar_argv[0]);
1901                         break;
1902                 default: /* parent */
1903                         close(bar_pipe[1]);
1904                         break;
1905                 }
1906         }
1907
1908         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1909         for (i = 0; i < num_screens; i++)
1910                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1911                         if (r->bar == NULL)
1912                                 continue;
1913                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1914                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1915                         xcb_change_window_attributes(conn, r->bar->id,
1916                                 XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1917                 }
1918         bar_update();
1919 }
1920
1921 void
1922 bar_setup(struct swm_region *r)
1923 {
1924         char                    *default_string;
1925         char                    **missing_charsets;
1926         int                     num_missing_charsets = 0;
1927         int                     i;
1928
1929         if (bar_fs) {
1930                 XFreeFontSet(display, bar_fs);
1931                 bar_fs = NULL;
1932         }
1933
1934         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1935                 err(1, "bar_setup: calloc: failed to allocate memory.");
1936
1937         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1938
1939         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1940             &num_missing_charsets, &default_string);
1941
1942         if (num_missing_charsets > 0) {
1943                 warnx("Unable to load charset(s):");
1944
1945                 for (i = 0; i < num_missing_charsets; ++i)
1946                         warnx("%s", missing_charsets[i]);
1947
1948                 XFreeStringList(missing_charsets);
1949
1950                 if (strcmp(default_string, ""))
1951                         warnx("Glyphs from those sets will be replaced "
1952                             "by '%s'.", default_string);
1953                 else
1954                         warnx("Glyphs from those sets won't be drawn.");
1955         }
1956
1957         if (bar_fs == NULL)
1958                 errx(1, "Error creating font set structure.");
1959
1960         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1961
1962         bar_height = bar_fs_extents->max_logical_extent.height +
1963             2 * bar_border_width;
1964
1965         if (bar_height < 1)
1966                 bar_height = 1;
1967
1968         X(r->bar) = X(r);
1969         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1970         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1971         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1972
1973         r->bar->id = XCreateSimpleWindow(display,
1974             r->s->root, X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1975             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1976             r->s->c[SWM_S_COLOR_BAR].color);
1977
1978         r->bar->buffer = XCreatePixmap(display, r->bar->id, WIDTH(r->bar),
1979             HEIGHT(r->bar), DefaultDepth(display, r->s->idx));
1980
1981         xcb_randr_select_input(conn, r->bar->id,
1982                 XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1983
1984         if (bar_enabled)
1985                 map_window_raised(r->bar->id);
1986
1987         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1988             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1989             HEIGHT(r->bar));
1990
1991         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1992                 err(1, "could not install bar_signal");
1993         bar_refresh();
1994 }
1995
1996 void
1997 bar_cleanup(struct swm_region *r)
1998 {
1999         if (r->bar == NULL)
2000                 return;
2001         xcb_destroy_window(conn, r->bar->id);
2002         xcb_free_pixmap(conn, r->bar->buffer);
2003         free(r->bar);
2004         r->bar = NULL;
2005 }
2006
2007 void
2008 drain_enter_notify(void)
2009 {
2010         int                     i = 0;
2011
2012         while (xcb_poll_for_event(conn))
2013                 i++;
2014
2015         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
2016 }
2017
2018 void
2019 set_win_state(struct ws_win *win, uint16_t state)
2020 {
2021         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2022
2023         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
2024
2025         if (win == NULL)
2026                 return;
2027
2028         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, astate,
2029                 astate, 32, 2, data);
2030 }
2031
2032 uint16_t
2033 getstate(xcb_window_t w)
2034 {
2035         uint16_t                        result = 0;
2036         xcb_get_property_cookie_t       c;
2037         xcb_get_property_reply_t        *r;
2038
2039         c = xcb_get_property(conn, False, w, astate, astate, 0L, 2L);
2040         r = xcb_get_property_reply(conn, c, NULL);
2041
2042         if (r) {
2043                 result = *((uint16_t *)xcb_get_property_value(r));
2044                 free(r);
2045         }
2046
2047         return (result);
2048 }
2049
2050 void
2051 version(struct swm_region *r, union arg *args)
2052 {
2053         bar_version = !bar_version;
2054         if (bar_version)
2055                 snprintf(bar_vertext, sizeof bar_vertext,
2056                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2057         else
2058                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2059         bar_update();
2060 }
2061
2062 void
2063 client_msg(struct ws_win *win, xcb_atom_t a)
2064 {
2065         xcb_client_message_event_t      ev;
2066
2067         if (win == NULL)
2068                 return;
2069
2070         bzero(&ev, sizeof ev);
2071         ev.response_type = XCB_CLIENT_MESSAGE;
2072         ev.window = win->id;
2073         ev.type = aprot;
2074         ev.format = 32;
2075         ev.data.data32[0] = a;
2076         ev.data.data32[1] = XCB_CURRENT_TIME;
2077
2078         xcb_send_event(conn, False, win->id,
2079                 XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2080         xcb_flush(conn);
2081 }
2082
2083 /* synthetic response to a ConfigureRequest when not making a change */
2084 void
2085 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
2086 {
2087         xcb_configure_notify_event_t ce;
2088
2089         if (win == NULL)
2090                 return;
2091
2092         /* send notification of unchanged state. */
2093         bzero(&ce, sizeof(ce));
2094         ce.response_type = XCB_CONFIGURE_NOTIFY;
2095         ce.x = X(win);
2096         ce.y = Y(win);
2097         ce.width = WIDTH(win);
2098         ce.height = HEIGHT(win);
2099         ce.override_redirect = False;
2100
2101         if (ev == NULL) {
2102                 /* EWMH */
2103                 ce.event = win->id;
2104                 ce.window = win->id;
2105                 ce.border_width = BORDER(win);
2106                 ce.above_sibling = XCB_WINDOW_NONE;
2107         } else {
2108                 /* normal */
2109                 ce.event = ev->window;
2110                 ce.window = ev->window;
2111
2112                 /* make response appear more WM_SIZE_HINTS-compliant */
2113                 if (win->sh_mask)
2114                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2115                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
2116                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
2117                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2118                             SH_INC_W(win), SH_INC_H(win));
2119
2120                 /* min size */
2121                 if (SH_MIN(win)) {
2122                         /* the hint may be set... to 0! */
2123                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2124                                 ce.width = SH_MIN_W(win);
2125                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2126                                 ce.height = SH_MIN_H(win);
2127                 }
2128
2129                 /* max size */
2130                 if (SH_MAX(win)) {
2131                         /* may also be advertized as 0 */
2132                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2133                                 ce.width = SH_MAX_W(win);
2134                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2135                                 ce.height = SH_MAX_H(win);
2136                 }
2137
2138                 /* resize increment. */
2139                 if (SH_INC(win)) {
2140                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2141                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2142                                     SH_INC_W(win);
2143                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2144                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2145                                     SH_INC_H(win);
2146                 }
2147
2148                 /* adjust x and y for requested border_width. */
2149                 ce.x += BORDER(win) - ev->border_width;
2150                 ce.y += BORDER(win) - ev->border_width;
2151                 ce.border_width = ev->border_width;
2152                 ce.above_sibling = ev->above;
2153         }
2154
2155         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2156             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2157             ce.y, ce.width, ce.height, ce.border_width);
2158
2159         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2160                 (char *)&ce);
2161         xcb_flush(conn);
2162 }
2163
2164 int
2165 count_win(struct workspace *ws, int count_transient)
2166 {
2167         struct ws_win           *win;
2168         int                     count = 0;
2169
2170         TAILQ_FOREACH(win, &ws->winlist, entry) {
2171                 if (count_transient == 0 && win->floating)
2172                         continue;
2173                 if (count_transient == 0 && win->transient)
2174                         continue;
2175                 if (win->iconic)
2176                         continue;
2177                 count++;
2178         }
2179         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2180
2181         return (count);
2182 }
2183
2184 void
2185 quit(struct swm_region *r, union arg *args)
2186 {
2187         DNPRINTF(SWM_D_MISC, "quit\n");
2188         running = 0;
2189 }
2190
2191 void
2192 unmap_window(struct ws_win *win)
2193 {
2194         if (win == NULL)
2195                 return;
2196
2197         /* don't unmap again */
2198         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2199                 return;
2200
2201         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2202
2203         xcb_unmap_window(conn, win->id);
2204         xcb_change_window_attributes(conn, win->id,
2205                 XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2206 }
2207
2208 void
2209 unmap_all(void)
2210 {
2211         struct ws_win           *win;
2212         int                     i, j, num_screens;
2213
2214         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2215         for (i = 0; i < num_screens; i++)
2216                 for (j = 0; j < workspace_limit; j++)
2217                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2218                                 unmap_window(win);
2219 }
2220
2221 void
2222 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2223 {
2224         xcb_key_press_event_t   event;
2225         xcb_key_symbols_t       *syms;
2226         xcb_keycode_t           *keycode;
2227
2228         if (win == NULL)
2229                 return;
2230
2231         syms = xcb_key_symbols_alloc(conn);
2232         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2233
2234         event.event = win->id;
2235         event.root = win->s->root;
2236         event.child = XCB_WINDOW_NONE;
2237         event.time = XCB_CURRENT_TIME;
2238         event.event_x = X(win);
2239         event.event_y = Y(win);
2240         event.root_x = 1;
2241         event.root_y = 1;
2242         event.same_screen = True;
2243         event.detail = *keycode;
2244         event.state = modifiers;
2245
2246         event.response_type = XCB_KEY_PRESS;
2247         xcb_send_event(conn, win->id, True,
2248                  XCB_EVENT_MASK_KEY_PRESS, (char *)&event);
2249
2250         event.response_type = XCB_KEY_RELEASE;
2251         xcb_send_event(conn, win->id, True,
2252                 XCB_EVENT_MASK_KEY_RELEASE, (char *)&event);
2253         xcb_flush(conn);
2254
2255         xcb_key_symbols_free(syms);
2256 }
2257
2258 void
2259 restart(struct swm_region *r, union arg *args)
2260 {
2261         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2262
2263         /* disable alarm because the following code may not be interrupted */
2264         alarm(0);
2265         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2266                 err(1, "can't disable alarm");
2267
2268         bar_extra_stop();
2269         bar_extra = 1;
2270         unmap_all();
2271         XCloseDisplay(display);
2272         execvp(start_argv[0], start_argv);
2273         warn("execvp failed");
2274         quit(NULL, NULL);
2275 }
2276
2277 struct swm_region *
2278 root_to_region(xcb_window_t root)
2279 {
2280         struct swm_region       *r = NULL;
2281         int                     i, num_screens;
2282         xcb_query_pointer_cookie_t      qpc;
2283         xcb_query_pointer_reply_t       *qpr;
2284
2285         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2286
2287         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2288         for (i = 0; i < num_screens; i++)
2289                 if (screens[i].root == root)
2290                         break;
2291
2292         qpc = xcb_query_pointer(conn, screens[i].root);
2293         qpr = xcb_query_pointer_reply(conn, qpc, NULL);
2294
2295         if (qpr) {
2296                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2297                     qpr->root_x, qpr->root_y);
2298                 /* choose a region based on pointer location */
2299                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2300                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2301                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2302                                 break;
2303                 free(qpr);
2304         }
2305
2306         if (r == NULL)
2307                 r = TAILQ_FIRST(&screens[i].rl);
2308
2309         return (r);
2310 }
2311
2312 struct ws_win *
2313 find_unmanaged_window(xcb_window_t id)
2314 {
2315         struct ws_win           *win;
2316         int                     i, j, num_screens;
2317
2318         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2319         for (i = 0; i < num_screens; i++)
2320                 for (j = 0; j < workspace_limit; j++)
2321                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2322                             entry)
2323                                 if (id == win->id)
2324                                         return (win);
2325         return (NULL);
2326 }
2327
2328 struct ws_win *
2329 find_window(xcb_window_t id)
2330 {
2331         struct ws_win           *win;
2332         int                     i, j, num_screens;
2333         xcb_query_tree_cookie_t c;
2334         xcb_query_tree_reply_t  *r;
2335
2336         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2337         for (i = 0; i < num_screens; i++)
2338                 for (j = 0; j < workspace_limit; j++)
2339                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2340                                 if (id == win->id)
2341                                         return (win);
2342
2343         c = xcb_query_tree(conn, id);
2344         r = xcb_query_tree_reply(conn, c, NULL);
2345         if (!r)
2346                 return (NULL);
2347
2348         /* if we were looking for the parent return that window instead */
2349         if (r->parent == 0 || r->root == r->parent)
2350                 return (NULL);
2351
2352         /* look for parent */
2353         for (i = 0; i < num_screens; i++)
2354                 for (j = 0; j < workspace_limit; j++)
2355                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2356                                 if (r->parent == win->id) {
2357                                         free(r);
2358                                         return (win);
2359                                 }
2360
2361         free(r);
2362         return (NULL);
2363 }
2364
2365 void
2366 spawn(int ws_idx, union arg *args, int close_fd)
2367 {
2368         int                     fd;
2369         char                    *ret = NULL;
2370
2371         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2372
2373         if (display)
2374                 close(xcb_get_file_descriptor(conn));
2375
2376         setenv("LD_PRELOAD", SWM_LIB, 1);
2377
2378         if (asprintf(&ret, "%d", ws_idx) == -1) {
2379                 warn("spawn: asprintf SWM_WS");
2380                 _exit(1);
2381         }
2382         setenv("_SWM_WS", ret, 1);
2383         free(ret);
2384         ret = NULL;
2385
2386         if (asprintf(&ret, "%d", getpid()) == -1) {
2387                 warn("spawn: asprintf _SWM_PID");
2388                 _exit(1);
2389         }
2390         setenv("_SWM_PID", ret, 1);
2391         free(ret);
2392         ret = NULL;
2393
2394         if (setsid() == -1) {
2395                 warn("spawn: setsid");
2396                 _exit(1);
2397         }
2398
2399         if (close_fd) {
2400                 /*
2401                  * close stdin and stdout to prevent interaction between apps
2402                  * and the baraction script
2403                  * leave stderr open to record errors
2404                 */
2405                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2406                         warn("spawn: open");
2407                         _exit(1);
2408                 }
2409                 dup2(fd, STDIN_FILENO);
2410                 dup2(fd, STDOUT_FILENO);
2411                 if (fd > 2)
2412                         close(fd);
2413         }
2414
2415         execvp(args->argv[0], args->argv);
2416
2417         warn("spawn: execvp");
2418         _exit(1);
2419 }
2420
2421 void
2422 kill_refs(struct ws_win *win)
2423 {
2424         int                     i, x, num_screens;
2425         struct swm_region       *r;
2426         struct workspace        *ws;
2427
2428         if (win == NULL)
2429                 return;
2430
2431         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2432         for (i = 0; i < num_screens; i++)
2433                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2434                         for (x = 0; x < workspace_limit; x++) {
2435                                 ws = &r->s->ws[x];
2436                                 if (win == ws->focus)
2437                                         ws->focus = NULL;
2438                                 if (win == ws->focus_prev)
2439                                         ws->focus_prev = NULL;
2440                         }
2441 }
2442
2443 int
2444 validate_win(struct ws_win *testwin)
2445 {
2446         struct ws_win           *win;
2447         struct workspace        *ws;
2448         struct swm_region       *r;
2449         int                     i, x, num_screens;
2450
2451         if (testwin == NULL)
2452                 return (0);
2453
2454         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2455         for (i = 0; i < num_screens; i++)
2456                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2457                         for (x = 0; x < workspace_limit; x++) {
2458                                 ws = &r->s->ws[x];
2459                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2460                                         if (win == testwin)
2461                                                 return (0);
2462                         }
2463         return (1);
2464 }
2465
2466 int
2467 validate_ws(struct workspace *testws)
2468 {
2469         struct swm_region       *r;
2470         struct workspace        *ws;
2471         int                     i, x, num_screens;
2472
2473         /* validate all ws */
2474         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2475         for (i = 0; i < num_screens; i++)
2476                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2477                         for (x = 0; x < workspace_limit; x++) {
2478                                 ws = &r->s->ws[x];
2479                                 if (ws == testws)
2480                                         return (0);
2481                         }
2482         return (1);
2483 }
2484
2485 void
2486 unfocus_win(struct ws_win *win)
2487 {
2488         XEvent                  cne;
2489         xcb_window_t            none = XCB_WINDOW_NONE;
2490
2491         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2492
2493         if (win == NULL)
2494                 return;
2495         if (win->ws == NULL)
2496                 return;
2497
2498         if (validate_ws(win->ws))
2499                 return; /* XXX this gets hit with thunderbird, needs fixing */
2500
2501         if (win->ws->r == NULL)
2502                 return;
2503
2504         if (validate_win(win)) {
2505                 kill_refs(win);
2506                 return;
2507         }
2508
2509         if (win->ws->focus == win) {
2510                 win->ws->focus = NULL;
2511                 win->ws->focus_prev = win;
2512         }
2513
2514         if (validate_win(win->ws->focus)) {
2515                 kill_refs(win->ws->focus);
2516                 win->ws->focus = NULL;
2517         }
2518         if (validate_win(win->ws->focus_prev)) {
2519                 kill_refs(win->ws->focus_prev);
2520                 win->ws->focus_prev = NULL;
2521         }
2522
2523         /* drain all previous unfocus events */
2524         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2525                 ;
2526
2527         grabbuttons(win, 0);
2528         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2529                 &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2530         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2531                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2532                 &none);
2533 }
2534
2535 void
2536 unfocus_all(void)
2537 {
2538         struct ws_win           *win;
2539         int                     i, j, num_screens;
2540
2541         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2542
2543         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2544         for (i = 0; i < num_screens; i++)
2545                 for (j = 0; j < workspace_limit; j++)
2546                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2547                                 unfocus_win(win);
2548 }
2549
2550 void
2551 focus_win(struct ws_win *win)
2552 {
2553         XEvent                  cne;
2554         struct ws_win           *cfw = NULL;
2555         xcb_get_input_focus_cookie_t    c;
2556         xcb_get_input_focus_reply_t     *r;
2557         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2558
2559         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2560
2561         if (win == NULL)
2562                 return;
2563         if (win->ws == NULL)
2564                 return;
2565
2566         if (validate_ws(win->ws))
2567                 return; /* XXX this gets hit with thunderbird, needs fixing */
2568
2569         if (validate_win(win)) {
2570                 kill_refs(win);
2571                 return;
2572         }
2573
2574         if (validate_win(win)) {
2575                 kill_refs(win);
2576                 return;
2577         }
2578
2579         c = xcb_get_input_focus(conn);
2580         r = xcb_get_input_focus_reply(conn, c, NULL);
2581         if (r) {
2582                 cur_focus = r->focus;
2583                 free(r);
2584         }
2585         if ((cfw = find_window(cur_focus)) != NULL)
2586                 unfocus_win(cfw);
2587         else {
2588                 /* use larger hammer since the window was killed somehow */
2589                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2590                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2591                                 xcb_change_window_attributes(conn, cfw->id,
2592                                         XCB_CW_BORDER_PIXEL,
2593                                         &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2594         }
2595
2596         win->ws->focus = win;
2597
2598         if (win->ws->r != NULL) {
2599                 /* drain all previous focus events */
2600                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2601                         ;
2602
2603                 if (win->java == 0)
2604                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2605                                 win->id, XCB_CURRENT_TIME);
2606                 grabbuttons(win, 1);
2607                 xcb_change_window_attributes(conn, win->id,
2608                         XCB_CW_BORDER_PIXEL,
2609                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2610                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2611                     win->ws->always_raise)
2612                         map_window_raised(win->id);
2613
2614                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2615                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2616                         &win->id);
2617         }
2618
2619         bar_update();
2620 }
2621
2622 void
2623 switchws(struct swm_region *r, union arg *args)
2624 {
2625         int                     wsid = args->id, unmap_old = 0;
2626         struct swm_region       *this_r, *other_r;
2627         struct ws_win           *win;
2628         struct workspace        *new_ws, *old_ws;
2629         union arg               a;
2630
2631         if (!(r && r->s))
2632                 return;
2633
2634         if (wsid >= workspace_limit)
2635                 return;
2636
2637         this_r = r;
2638         old_ws = this_r->ws;
2639         new_ws = &this_r->s->ws[wsid];
2640
2641         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2642             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2643
2644         if (new_ws == NULL || old_ws == NULL)
2645                 return;
2646         if (new_ws == old_ws)
2647                 return;
2648
2649         other_r = new_ws->r;
2650         if (other_r == NULL) {
2651                 /* the other workspace is hidden, hide this one */
2652                 old_ws->r = NULL;
2653                 unmap_old = 1;
2654         } else {
2655                 /* the other ws is visible in another region, exchange them */
2656                 other_r->ws_prior = new_ws;
2657                 other_r->ws = old_ws;
2658                 old_ws->r = other_r;
2659         }
2660         this_r->ws_prior = old_ws;
2661         this_r->ws = new_ws;
2662         new_ws->r = this_r;
2663
2664         /* this is needed so that we can click on a window after a restart */
2665         unfocus_all();
2666
2667         stack();
2668         a.id = SWM_ARG_ID_FOCUSCUR;
2669         focus(new_ws->r, &a);
2670
2671         /* unmap old windows */
2672         if (unmap_old)
2673                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2674                         unmap_window(win);
2675
2676         if (focus_mode == SWM_FOCUS_DEFAULT)
2677                 drain_enter_notify();
2678 }
2679
2680 void
2681 cyclews(struct swm_region *r, union arg *args)
2682 {
2683         union                   arg a;
2684         struct swm_screen       *s = r->s;
2685         int                     cycle_all = 0;
2686
2687         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2688             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2689
2690         a.id = r->ws->idx;
2691         do {
2692                 switch (args->id) {
2693                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2694                         cycle_all = 1;
2695                         /* FALLTHROUGH */
2696                 case SWM_ARG_ID_CYCLEWS_UP:
2697                         if (a.id < workspace_limit - 1)
2698                                 a.id++;
2699                         else
2700                                 a.id = 0;
2701                         break;
2702                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2703                         cycle_all = 1;
2704                         /* FALLTHROUGH */
2705                 case SWM_ARG_ID_CYCLEWS_DOWN:
2706                         if (a.id > 0)
2707                                 a.id--;
2708                         else
2709                                 a.id = workspace_limit - 1;
2710                         break;
2711                 default:
2712                         return;
2713                 };
2714
2715                 if (!cycle_all &&
2716                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2717                         continue;
2718                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2719                         continue;
2720
2721                 switchws(r, &a);
2722         } while (a.id != r->ws->idx);
2723 }
2724
2725 void
2726 priorws(struct swm_region *r, union arg *args)
2727 {
2728         union arg               a;
2729
2730         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2731             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2732
2733         if (r->ws_prior == NULL)
2734                 return;
2735
2736         a.id = r->ws_prior->idx;
2737         switchws(r, &a);
2738 }
2739
2740 void
2741 cyclescr(struct swm_region *r, union arg *args)
2742 {
2743         struct swm_region       *rr = NULL;
2744         union arg               a;
2745         int                     i, x, y, num_screens;
2746
2747         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2748         /* do nothing if we don't have more than one screen */
2749         if (!(num_screens > 1 || outputs > 1))
2750                 return;
2751
2752         i = r->s->idx;
2753         switch (args->id) {
2754         case SWM_ARG_ID_CYCLESC_UP:
2755                 rr = TAILQ_NEXT(r, entry);
2756                 if (rr == NULL)
2757                         rr = TAILQ_FIRST(&screens[i].rl);
2758                 break;
2759         case SWM_ARG_ID_CYCLESC_DOWN:
2760                 rr = TAILQ_PREV(r, swm_region_list, entry);
2761                 if (rr == NULL)
2762                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2763                 break;
2764         default:
2765                 return;
2766         };
2767         if (rr == NULL)
2768                 return;
2769
2770         /* move mouse to region */
2771         x = X(rr) + 1;
2772         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2773         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2774                 x, y);
2775
2776         a.id = SWM_ARG_ID_FOCUSCUR;
2777         focus(rr, &a);
2778
2779         if (rr->ws->focus) {
2780                 /* move to focus window */
2781                 x = X(rr->ws->focus) + 1;
2782                 y = Y(rr->ws->focus) + 1;
2783                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2784                         0, x, y);
2785         }
2786 }
2787
2788 void
2789 sort_windows(struct ws_win_list *wl)
2790 {
2791         struct ws_win           *win, *parent, *nxt;
2792
2793         if (wl == NULL)
2794                 return;
2795
2796         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2797                 nxt = TAILQ_NEXT(win, entry);
2798                 if (win->transient) {
2799                         parent = find_window(win->transient);
2800                         if (parent == NULL) {
2801                                 warnx("not possible bug");
2802                                 continue;
2803                         }
2804                         TAILQ_REMOVE(wl, win, entry);
2805                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2806                 }
2807         }
2808
2809 }
2810
2811 void
2812 swapwin(struct swm_region *r, union arg *args)
2813 {
2814         struct ws_win           *target, *source;
2815         struct ws_win           *cur_focus;
2816         struct ws_win_list      *wl;
2817
2818
2819         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2820             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2821
2822         cur_focus = r->ws->focus;
2823         if (cur_focus == NULL)
2824                 return;
2825
2826         source = cur_focus;
2827         wl = &source->ws->winlist;
2828
2829         switch (args->id) {
2830         case SWM_ARG_ID_SWAPPREV:
2831                 if (source->transient)
2832                         source = find_window(source->transient);
2833                 target = TAILQ_PREV(source, ws_win_list, entry);
2834                 if (target && target->transient)
2835                         target = find_window(target->transient);
2836                 TAILQ_REMOVE(wl, source, entry);
2837                 if (target == NULL)
2838                         TAILQ_INSERT_TAIL(wl, source, entry);
2839                 else
2840                         TAILQ_INSERT_BEFORE(target, source, entry);
2841                 break;
2842         case SWM_ARG_ID_SWAPNEXT:
2843                 target = TAILQ_NEXT(source, entry);
2844                 /* move the parent and let the sort handle the move */
2845                 if (source->transient)
2846                         source = find_window(source->transient);
2847                 TAILQ_REMOVE(wl, source, entry);
2848                 if (target == NULL)
2849                         TAILQ_INSERT_HEAD(wl, source, entry);
2850                 else
2851                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2852                 break;
2853         case SWM_ARG_ID_SWAPMAIN:
2854                 target = TAILQ_FIRST(wl);
2855                 if (target == source) {
2856                         if (source->ws->focus_prev != NULL &&
2857                             source->ws->focus_prev != target)
2858                                 source = source->ws->focus_prev;
2859                         else
2860                                 return;
2861                 }
2862                 if (target == NULL || source == NULL)
2863                         return;
2864                 source->ws->focus_prev = target;
2865                 TAILQ_REMOVE(wl, target, entry);
2866                 TAILQ_INSERT_BEFORE(source, target, entry);
2867                 TAILQ_REMOVE(wl, source, entry);
2868                 TAILQ_INSERT_HEAD(wl, source, entry);
2869                 break;
2870         case SWM_ARG_ID_MOVELAST:
2871                 TAILQ_REMOVE(wl, source, entry);
2872                 TAILQ_INSERT_TAIL(wl, source, entry);
2873                 break;
2874         default:
2875                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2876                 return;
2877         }
2878
2879         sort_windows(wl);
2880
2881         stack();
2882 }
2883
2884 void
2885 focus_prev(struct ws_win *win)
2886 {
2887         struct ws_win           *winfocus = NULL;
2888         struct ws_win           *cur_focus = NULL;
2889         struct ws_win_list      *wl = NULL;
2890         struct workspace        *ws = NULL;
2891
2892         if (!(win && win->ws))
2893                 return;
2894
2895         ws = win->ws;
2896         wl = &ws->winlist;
2897         cur_focus = ws->focus;
2898
2899         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2900             WINID(win), WINID(cur_focus));
2901
2902         /* pickle, just focus on whatever */
2903         if (cur_focus == NULL) {
2904                 /* use prev_focus if valid */
2905                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2906                     find_window(WINID(ws->focus_prev)))
2907                         winfocus = ws->focus_prev;
2908                 goto done;
2909         }
2910
2911         /* if transient focus on parent */
2912         if (cur_focus->transient) {
2913                 winfocus = find_window(cur_focus->transient);
2914                 goto done;
2915         }
2916
2917         /* if in max_stack try harder */
2918         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2919             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2920                 if (cur_focus != ws->focus_prev)
2921                         winfocus = ws->focus_prev;
2922                 else
2923                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2924                 if (winfocus)
2925                         goto done;
2926         }
2927
2928         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2929
2930         if (winfocus == NULL || winfocus == win) {
2931                 switch (focus_close) {
2932                 case SWM_STACK_BOTTOM:
2933                         winfocus = TAILQ_FIRST(wl);
2934                         break;
2935                 case SWM_STACK_TOP:
2936                         winfocus = TAILQ_LAST(wl, ws_win_list);
2937                         break;
2938                 case SWM_STACK_ABOVE:
2939                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2940                                 if (focus_close_wrap)
2941                                         winfocus = TAILQ_FIRST(wl);
2942                                 else
2943                                         winfocus = TAILQ_PREV(cur_focus,
2944                                             ws_win_list, entry);
2945                         }
2946                         break;
2947                 case SWM_STACK_BELOW:
2948                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2949                             entry)) == NULL) {
2950                                 if (focus_close_wrap)
2951                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2952                                 else
2953                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2954                         }
2955                         break;
2956                 }
2957         }
2958 done:
2959         if (winfocus == NULL) {
2960                 if (focus_default == SWM_STACK_TOP)
2961                         winfocus = TAILQ_LAST(wl, ws_win_list);
2962                 else
2963                         winfocus = TAILQ_FIRST(wl);
2964         }
2965
2966         kill_refs(win);
2967         focus_magic(winfocus);
2968 }
2969
2970 void
2971 focus(struct swm_region *r, union arg *args)
2972 {
2973         struct ws_win           *winfocus = NULL, *head;
2974         struct ws_win           *cur_focus = NULL;
2975         struct ws_win_list      *wl = NULL;
2976         struct workspace        *ws = NULL;
2977         int                     all_iconics;
2978
2979         if (!(r && r->ws))
2980                 return;
2981
2982         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2983
2984         /* treat FOCUS_CUR special */
2985         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2986                 if (r->ws->focus && r->ws->focus->iconic == 0)
2987                         winfocus = r->ws->focus;
2988                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2989                         winfocus = r->ws->focus_prev;
2990                 else
2991                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2992                                 if (winfocus->iconic == 0)
2993                                         break;
2994
2995                 focus_magic(winfocus);
2996                 return;
2997         }
2998
2999         if ((cur_focus = r->ws->focus) == NULL)
3000                 return;
3001         ws = r->ws;
3002         wl = &ws->winlist;
3003         if (TAILQ_EMPTY(wl))
3004                 return;
3005         /* make sure there is at least one uniconified window */
3006         all_iconics = 1;
3007         TAILQ_FOREACH(winfocus, wl, entry)
3008                 if (winfocus->iconic == 0) {
3009                         all_iconics = 0;
3010                         break;
3011                 }
3012         if (all_iconics)
3013                 return;
3014
3015         switch (args->id) {
3016         case SWM_ARG_ID_FOCUSPREV:
3017                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3018                 if (head == NULL)
3019                         head = TAILQ_LAST(wl, ws_win_list);
3020                 winfocus = head;
3021                 if (WINID(winfocus) == cur_focus->transient) {
3022                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3023                         if (head == NULL)
3024                                 head = TAILQ_LAST(wl, ws_win_list);
3025                         winfocus = head;
3026                 }
3027
3028                 /* skip iconics */
3029                 if (winfocus && winfocus->iconic) {
3030                         while (winfocus != cur_focus) {
3031                                 if (winfocus == NULL)
3032                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3033                                 if (winfocus->iconic == 0)
3034                                         break;
3035                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3036                                     entry);
3037                         }
3038                 }
3039                 break;
3040
3041         case SWM_ARG_ID_FOCUSNEXT:
3042                 head = TAILQ_NEXT(cur_focus, entry);
3043                 if (head == NULL)
3044                         head = TAILQ_FIRST(wl);
3045                 winfocus = head;
3046
3047                 /* skip iconics */
3048                 if (winfocus && winfocus->iconic) {
3049                         while (winfocus != cur_focus) {
3050                                 if (winfocus == NULL)
3051                                         winfocus = TAILQ_FIRST(wl);
3052                                 if (winfocus->iconic == 0)
3053                                         break;
3054                                 winfocus = TAILQ_NEXT(winfocus, entry);
3055                         }
3056                 }
3057                 break;
3058
3059         case SWM_ARG_ID_FOCUSMAIN:
3060                 winfocus = TAILQ_FIRST(wl);
3061                 if (winfocus == cur_focus)
3062                         winfocus = cur_focus->ws->focus_prev;
3063                 break;
3064
3065         default:
3066                 return;
3067         }
3068
3069         focus_magic(winfocus);
3070 }
3071
3072 void
3073 cycle_layout(struct swm_region *r, union arg *args)
3074 {
3075         struct workspace        *ws = r->ws;
3076         union arg               a;
3077
3078         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3079
3080         ws->cur_layout++;
3081         if (ws->cur_layout->l_stack == NULL)
3082                 ws->cur_layout = &layouts[0];
3083
3084         stack();
3085         if (focus_mode == SWM_FOCUS_DEFAULT)
3086                 drain_enter_notify();
3087         a.id = SWM_ARG_ID_FOCUSCUR;
3088         focus(r, &a);
3089 }
3090
3091 void
3092 stack_config(struct swm_region *r, union arg *args)
3093 {
3094         struct workspace        *ws = r->ws;
3095
3096         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3097             args->id, ws->idx);
3098
3099         if (ws->cur_layout->l_config != NULL)
3100                 ws->cur_layout->l_config(ws, args->id);
3101
3102         if (args->id != SWM_ARG_ID_STACKINIT)
3103                 stack();
3104         bar_update();
3105 }
3106
3107 void
3108 stack(void) {
3109         struct swm_geometry     g;
3110         struct swm_region       *r;
3111         int                     i, num_screens;
3112 #ifdef SWM_DEBUG
3113         int j;
3114 #endif
3115
3116         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3117
3118         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3119         for (i = 0; i < num_screens; i++) {
3120 #ifdef SWM_DEBUG
3121                 j = 0;
3122 #endif
3123                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3124                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3125                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3126
3127                         /* start with screen geometry, adjust for bar */
3128                         g = r->g;
3129                         g.w -= 2 * border_width;
3130                         g.h -= 2 * border_width;
3131                         if (bar_enabled) {
3132                                 if (!bar_at_bottom)
3133                                         g.y += bar_height;
3134                                 g.h -= bar_height;
3135                         }
3136                         r->ws->cur_layout->l_stack(r->ws, &g);
3137                         r->ws->cur_layout->l_string(r->ws);
3138                         /* save r so we can track region changes */
3139                         r->ws->old_r = r;
3140                 }
3141         }
3142         if (font_adjusted)
3143                 font_adjusted--;
3144
3145         if (focus_mode == SWM_FOCUS_DEFAULT)
3146                 drain_enter_notify();
3147
3148         DNPRINTF(SWM_D_STACK, "stack: end\n");
3149 }
3150
3151 void
3152 store_float_geom(struct ws_win *win, struct swm_region *r)
3153 {
3154         /* retain window geom and region geom */
3155         win->g_float = win->g;
3156         win->g_float.x -= X(r);
3157         win->g_float.y -= Y(r);
3158         win->g_floatvalid = 1;
3159         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3160             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3161             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3162             win->g_float.w, win->g_float.h);
3163 }
3164
3165 void
3166 stack_floater(struct ws_win *win, struct swm_region *r)
3167 {
3168         if (win == NULL)
3169                 return;
3170
3171         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3172
3173         /*
3174          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3175          * geom on ws switches or return from max mode
3176          */
3177         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3178             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3179                 /* refloat at last floating relative position */
3180                 win->g = win->g_float;
3181                 X(win) += X(r);
3182                 Y(win) += Y(r);
3183         }
3184
3185         win->floatmaxed = 0;
3186
3187         /*
3188          * if set to fullscreen mode, configure window to maximum size.
3189          */
3190         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3191                 if (!win->g_floatvalid)
3192                         store_float_geom(win, win->ws->r);
3193
3194                 win->g = win->ws->r->g;
3195         }
3196
3197         /*
3198          * remove border on fullscreen floater when in fullscreen mode or when
3199          * the quirk is present.
3200          */
3201         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3202             ((win->quirks & SWM_Q_FULLSCREEN) &&
3203              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3204                 if (win->bordered) {
3205                         win->bordered = 0;
3206                         X(win) += border_width;
3207                         Y(win) += border_width;
3208                 }
3209         } else if (!win->bordered) {
3210                 win->bordered = 1;
3211                 X(win) -= border_width;
3212                 Y(win) -= border_width;
3213         }
3214
3215         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3216                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3217                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3218         }
3219
3220         if (!win->manual) {
3221                 /*
3222                  * floaters and transients are auto-centred unless moved
3223                  * or resized
3224                  */
3225                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3226                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3227         }
3228
3229         /* keep window within region bounds */
3230         constrain_window(win, r, 0);
3231
3232         update_window(win);
3233 }
3234
3235 /*
3236  * Send keystrokes to terminal to decrease/increase the font size as the
3237  * window size changes.
3238  */
3239 void
3240 adjust_font(struct ws_win *win)
3241 {
3242         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3243             win->floating || win->transient)
3244                 return;
3245
3246         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3247             WIDTH(win) / win->sh.width_inc < term_width &&
3248             win->font_steps < SWM_MAX_FONT_STEPS) {
3249                 win->font_size_boundary[win->font_steps] =
3250                     (win->sh.width_inc * term_width) + win->sh.base_width;
3251                 win->font_steps++;
3252                 font_adjusted++;
3253                 win->last_inc = win->sh.width_inc;
3254                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3255         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3256             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3257                 win->font_steps--;
3258                 font_adjusted++;
3259                 win->last_inc = win->sh.width_inc;
3260                 fake_keypress(win, XK_KP_Add, ShiftMask);
3261         }
3262 }
3263
3264 #define SWAPXY(g)       do {                            \
3265         int tmp;                                        \
3266         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3267         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3268 } while (0)
3269 void
3270 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3271 {
3272         XWindowAttributes       wa;
3273         struct swm_geometry     win_g, r_g = *g;
3274         struct ws_win           *win, *fs_win = NULL;
3275         int                     i, j, s, stacks;
3276         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3277         int                     hrh, extra = 0, h_slice, last_h = 0;
3278         int                     split, colno, winno, mwin, msize, mscale;
3279         int                     remain, missing, v_slice, reconfigure;
3280         int                     bordered = 1;
3281
3282         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3283             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3284
3285         winno = count_win(ws, 0);
3286         if (winno == 0 && count_win(ws, 1) == 0)
3287                 return;
3288
3289         TAILQ_FOREACH(win, &ws->winlist, entry)
3290                 if (win->transient == 0 && win->floating == 0
3291                     && win->iconic == 0)
3292                         break;
3293
3294         if (win == NULL)
3295                 goto notiles;
3296
3297         if (rot) {
3298                 w_inc = win->sh.width_inc;
3299                 w_base = win->sh.base_width;
3300                 mwin = ws->l_state.horizontal_mwin;
3301                 mscale = ws->l_state.horizontal_msize;
3302                 stacks = ws->l_state.horizontal_stacks;
3303                 SWAPXY(&r_g);
3304         } else {
3305                 w_inc = win->sh.height_inc;
3306                 w_base = win->sh.base_height;
3307                 mwin = ws->l_state.vertical_mwin;
3308                 mscale = ws->l_state.vertical_msize;
3309                 stacks = ws->l_state.vertical_stacks;
3310         }
3311         win_g = r_g;
3312
3313         if (stacks > winno - mwin)
3314                 stacks = winno - mwin;
3315         if (stacks < 1)
3316                 stacks = 1;
3317
3318         h_slice = r_g.h / SWM_H_SLICE;
3319         if (mwin && winno > mwin) {
3320                 v_slice = r_g.w / SWM_V_SLICE;
3321
3322                 split = mwin;
3323                 colno = split;
3324                 win_g.w = v_slice * mscale;
3325
3326                 if (w_inc > 1 && w_inc < v_slice) {
3327                         /* adjust for window's requested size increment */
3328                         remain = (win_g.w - w_base) % w_inc;
3329                         win_g.w -= remain;
3330                 }
3331
3332                 msize = win_g.w;
3333                 if (flip)
3334                         win_g.x += r_g.w - msize;
3335         } else {
3336                 msize = -2;
3337                 colno = split = winno / stacks;
3338                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3339                     2 * border_width) / stacks);
3340         }
3341         hrh = r_g.h / colno;
3342         extra = r_g.h - (colno * hrh);
3343         win_g.h = hrh - 2 * border_width;
3344
3345         /*  stack all the tiled windows */
3346         i = j = 0, s = stacks;
3347         TAILQ_FOREACH(win, &ws->winlist, entry) {
3348                 if (win->transient != 0 || win->floating != 0)
3349                         continue;
3350                 if (win->iconic != 0)
3351                         continue;
3352
3353                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3354                         fs_win = win;
3355                         continue;
3356                 }
3357
3358                 if (split && i == split) {
3359                         colno = (winno - mwin) / stacks;
3360                         if (s <= (winno - mwin) % stacks)
3361                                 colno++;
3362                         split = split + colno;
3363                         hrh = (r_g.h / colno);
3364                         extra = r_g.h - (colno * hrh);
3365                         if (flip)
3366                                 win_g.x = r_g.x;
3367                         else
3368                                 win_g.x += win_g.w + 2 * border_width;
3369                         win_g.w = (r_g.w - msize -
3370                             (stacks * 2 * border_width)) / stacks;
3371                         if (s == 1)
3372                                 win_g.w += (r_g.w - msize -
3373                                     (stacks * 2 * border_width)) % stacks;
3374                         s--;
3375                         j = 0;
3376                 }
3377                 win_g.h = hrh - 2 * border_width;
3378                 if (rot) {
3379                         h_inc = win->sh.width_inc;
3380                         h_base = win->sh.base_width;
3381                 } else {
3382                         h_inc = win->sh.height_inc;
3383                         h_base = win->sh.base_height;
3384                 }
3385                 if (j == colno - 1) {
3386                         win_g.h = hrh + extra;
3387                 } else if (h_inc > 1 && h_inc < h_slice) {
3388                         /* adjust for window's requested size increment */
3389                         remain = (win_g.h - h_base) % h_inc;
3390                         missing = h_inc - remain;
3391
3392                         if (missing <= extra || j == 0) {
3393                                 extra -= missing;
3394                                 win_g.h += missing;
3395                         } else {
3396                                 win_g.h -= remain;
3397                                 extra += remain;
3398                         }
3399                 }
3400
3401                 if (j == 0)
3402                         win_g.y = r_g.y;
3403                 else
3404                         win_g.y += last_h + 2 * border_width;
3405
3406                 if (disable_border && bar_enabled == 0 && winno == 1){
3407                         bordered = 0;
3408                         win_g.w += 2 * border_width;
3409                         win_g.h += 2 * border_width;
3410                 } else {
3411                         bordered = 1;
3412                 }
3413                 if (rot) {
3414                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3415                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3416                                 reconfigure = 1;
3417                                 X(win) = win_g.y;
3418                                 Y(win) = win_g.x;
3419                                 WIDTH(win) = win_g.h;
3420                                 HEIGHT(win) = win_g.w;
3421                         }
3422                 } else {
3423                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3424                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3425                                 reconfigure = 1;
3426                                 X(win) = win_g.x;
3427                                 Y(win) = win_g.y;
3428                                 WIDTH(win) = win_g.w;
3429                                 HEIGHT(win) = win_g.h;
3430                         }
3431                 }
3432
3433                 if (bordered != win->bordered) {
3434                         reconfigure = 1;
3435                         win->bordered = bordered;
3436                 }
3437
3438                 if (reconfigure) {
3439                         adjust_font(win);
3440                         update_window(win);
3441                 }
3442
3443                 if (XGetWindowAttributes(display, win->id, &wa))
3444                         if (wa.map_state == IsUnmapped)
3445                                 map_window_raised(win->id);
3446
3447                 last_h = win_g.h;
3448                 i++;
3449                 j++;
3450         }
3451
3452 notiles:
3453         /* now, stack all the floaters and transients */
3454         TAILQ_FOREACH(win, &ws->winlist, entry) {
3455                 if (win->transient == 0 && win->floating == 0)
3456                         continue;
3457                 if (win->iconic == 1)
3458                         continue;
3459                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3460                         fs_win = win;
3461                         continue;
3462                 }
3463
3464                 stack_floater(win, ws->r);
3465                 map_window_raised(win->id);
3466         }
3467
3468         if (fs_win) {
3469                 stack_floater(fs_win, ws->r);
3470                 map_window_raised(fs_win->id);
3471         }
3472 }
3473
3474 void
3475 vertical_config(struct workspace *ws, int id)
3476 {
3477         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3478             id, ws->idx);
3479
3480         switch (id) {
3481         case SWM_ARG_ID_STACKRESET:
3482         case SWM_ARG_ID_STACKINIT:
3483                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3484                 ws->l_state.vertical_mwin = 1;
3485                 ws->l_state.vertical_stacks = 1;
3486                 break;
3487         case SWM_ARG_ID_MASTERSHRINK:
3488                 if (ws->l_state.vertical_msize > 1)
3489                         ws->l_state.vertical_msize--;
3490                 break;
3491         case SWM_ARG_ID_MASTERGROW:
3492                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3493                         ws->l_state.vertical_msize++;
3494                 break;
3495         case SWM_ARG_ID_MASTERADD:
3496                 ws->l_state.vertical_mwin++;
3497                 break;
3498         case SWM_ARG_ID_MASTERDEL:
3499                 if (ws->l_state.vertical_mwin > 0)
3500                         ws->l_state.vertical_mwin--;
3501                 break;
3502         case SWM_ARG_ID_STACKINC:
3503                 ws->l_state.vertical_stacks++;
3504                 break;
3505         case SWM_ARG_ID_STACKDEC:
3506                 if (ws->l_state.vertical_stacks > 1)
3507                         ws->l_state.vertical_stacks--;
3508                 break;
3509         case SWM_ARG_ID_FLIPLAYOUT:
3510                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3511                 break;
3512         default:
3513                 return;
3514         }
3515 }
3516
3517 void
3518 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3519 {
3520         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3521
3522         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3523 }
3524
3525 void
3526 horizontal_config(struct workspace *ws, int id)
3527 {
3528         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3529
3530         switch (id) {
3531         case SWM_ARG_ID_STACKRESET:
3532         case SWM_ARG_ID_STACKINIT:
3533                 ws->l_state.horizontal_mwin = 1;
3534                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3535                 ws->l_state.horizontal_stacks = 1;
3536                 break;
3537         case SWM_ARG_ID_MASTERSHRINK:
3538                 if (ws->l_state.horizontal_msize > 1)
3539                         ws->l_state.horizontal_msize--;
3540                 break;
3541         case SWM_ARG_ID_MASTERGROW:
3542                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3543                         ws->l_state.horizontal_msize++;
3544                 break;
3545         case SWM_ARG_ID_MASTERADD:
3546                 ws->l_state.horizontal_mwin++;
3547                 break;
3548         case SWM_ARG_ID_MASTERDEL:
3549                 if (ws->l_state.horizontal_mwin > 0)
3550                         ws->l_state.horizontal_mwin--;
3551                 break;
3552         case SWM_ARG_ID_STACKINC:
3553                 ws->l_state.horizontal_stacks++;
3554                 break;
3555         case SWM_ARG_ID_STACKDEC:
3556                 if (ws->l_state.horizontal_stacks > 1)
3557                         ws->l_state.horizontal_stacks--;
3558                 break;
3559         case SWM_ARG_ID_FLIPLAYOUT:
3560                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3561                 break;
3562         default:
3563                 return;
3564         }
3565 }
3566
3567 void
3568 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3569 {
3570         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3571
3572         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3573 }
3574
3575 /* fullscreen view */
3576 void
3577 max_stack(struct workspace *ws, struct swm_geometry *g)
3578 {
3579         struct swm_geometry     gg = *g;
3580         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3581         int                     winno, num_screens;
3582
3583         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3584
3585         if (ws == NULL)
3586                 return;
3587
3588         winno = count_win(ws, 0);
3589         if (winno == 0 && count_win(ws, 1) == 0)
3590                 return;
3591
3592         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3593         TAILQ_FOREACH(win, &ws->winlist, entry) {
3594                 if (win->transient) {
3595                         wintrans = win;
3596                         parent = find_window(win->transient);
3597                         continue;
3598                 }
3599
3600                 if (win->floating && win->floatmaxed == 0 ) {
3601                         /*
3602                          * retain geometry for retrieval on exit from
3603                          * max_stack mode
3604                          */
3605                         store_float_geom(win, ws->r);
3606                         win->floatmaxed = 1;
3607                 }
3608
3609                 /* only reconfigure if necessary */
3610                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3611                     HEIGHT(win) != gg.h) {
3612                         win->g = gg;
3613                         if (bar_enabled){
3614                                 win->bordered = 1;
3615                         } else {
3616                                 win->bordered = 0;
3617                                 WIDTH(win) += 2 * border_width;
3618                                 HEIGHT(win) += 2 * border_width;
3619                         }
3620
3621                         update_window(win);
3622                 }
3623                 /* unmap only if we don't have multi screen */
3624                 if (win != ws->focus)
3625                         if (!(num_screens > 1 || outputs > 1))
3626                                 unmap_window(win);
3627         }
3628
3629         /* put the last transient on top */
3630         if (wintrans) {
3631                 if (parent)
3632                         map_window_raised(parent->id);
3633                 stack_floater(wintrans, ws->r);
3634                 focus_magic(wintrans);
3635         }
3636 }
3637
3638 void
3639 send_to_ws(struct swm_region *r, union arg *args)
3640 {
3641         int                     wsid = args->id;
3642         struct ws_win           *win = NULL, *parent;
3643         struct workspace        *ws, *nws;
3644         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3645         char                    ws_idx_str[SWM_PROPLEN];
3646         union arg               a;
3647
3648         if (wsid >= workspace_limit)
3649                 return;
3650
3651         if (r && r->ws && r->ws->focus)
3652                 win = r->ws->focus;
3653         else
3654                 return;
3655         if (win == NULL)
3656                 return;
3657         if (win->ws->idx == wsid)
3658                 return;
3659
3660         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3661
3662         ws = win->ws;
3663         nws = &win->s->ws[wsid];
3664
3665         a.id = SWM_ARG_ID_FOCUSPREV;
3666         focus(r, &a);
3667         if (win->transient) {
3668                 parent = find_window(win->transient);
3669                 if (parent) {
3670                         unmap_window(parent);
3671                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3672                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3673                         parent->ws = nws;
3674                 }
3675         }
3676         unmap_window(win);
3677         TAILQ_REMOVE(&ws->winlist, win, entry);
3678         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3679         if (TAILQ_EMPTY(&ws->winlist))
3680                 r->ws->focus = NULL;
3681         win->ws = nws;
3682
3683         /* Try to update the window's workspace property */
3684         ws_idx_atom = get_atom_from_string("_SWM_WS");
3685         if (ws_idx_atom &&
3686             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3687                 SWM_PROPLEN) {
3688                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3689                     ws_idx_str);
3690                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3691                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3692                         ws_idx_str);
3693         }
3694
3695         stack();
3696         bar_update();
3697 }
3698
3699 void
3700 pressbutton(struct swm_region *r, union arg *args)
3701 {
3702         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3703         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3704 }
3705
3706 void
3707 raise_toggle(struct swm_region *r, union arg *args)
3708 {
3709         if (r == NULL || r->ws == NULL)
3710                 return;
3711
3712         r->ws->always_raise = !r->ws->always_raise;
3713
3714         /* bring floaters back to top */
3715         if (r->ws->always_raise == 0)
3716                 stack();
3717 }
3718
3719 void
3720 iconify(struct swm_region *r, union arg *args)
3721 {
3722         union arg a;
3723
3724         if (r->ws->focus == NULL)
3725                 return;
3726         unmap_window(r->ws->focus);
3727         update_iconic(r->ws->focus, 1);
3728         stack();
3729         if (focus_mode == SWM_FOCUS_DEFAULT)
3730                 drain_enter_notify();
3731         r->ws->focus = NULL;
3732         a.id = SWM_ARG_ID_FOCUSCUR;
3733         focus(r, &a);
3734 }
3735
3736 unsigned char *
3737 get_win_name(xcb_window_t win)
3738 {
3739         unsigned char           *prop = NULL;
3740         unsigned long           nbytes, nitems;
3741
3742         /* try _NET_WM_NAME first */
3743         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3744             &prop)) {
3745                 XFree(prop);
3746                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3747                     &nitems, NULL, &prop))
3748                         return (prop);
3749         }
3750
3751         /* fallback to WM_NAME */
3752         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3753                 return (NULL);
3754         XFree(prop);
3755         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3756                 return (prop);
3757
3758         return (NULL);
3759 }
3760
3761 void
3762 uniconify(struct swm_region *r, union arg *args)
3763 {
3764         struct ws_win           *win;
3765         FILE                    *lfile;
3766         unsigned char           *name;
3767         int                     count = 0;
3768
3769         DNPRINTF(SWM_D_MISC, "uniconify\n");
3770
3771         if (r == NULL || r->ws == NULL)
3772                 return;
3773
3774         /* make sure we have anything to uniconify */
3775         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3776                 if (win->ws == NULL)
3777                         continue; /* should never happen */
3778                 if (win->iconic == 0)
3779                         continue;
3780                 count++;
3781         }
3782         if (count == 0)
3783                 return;
3784
3785         search_r = r;
3786         search_resp_action = SWM_SEARCH_UNICONIFY;
3787
3788         spawn_select(r, args, "search", &searchpid);
3789
3790         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3791                 return;
3792
3793         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3794                 if (win->ws == NULL)
3795                         continue; /* should never happen */
3796                 if (win->iconic == 0)
3797                         continue;
3798
3799                 name = get_win_name(win->id);
3800                 if (name == NULL)
3801                         continue;
3802                 fprintf(lfile, "%s.%u\n", name, win->id);
3803                 XFree(name);
3804         }
3805
3806         fclose(lfile);
3807 }
3808
3809 void
3810 name_workspace(struct swm_region *r, union arg *args)
3811 {
3812         FILE                    *lfile;
3813
3814         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3815
3816         if (r == NULL)
3817                 return;
3818
3819         search_r = r;
3820         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3821
3822         spawn_select(r, args, "name_workspace", &searchpid);
3823
3824         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3825                 return;
3826
3827         fprintf(lfile, "%s", "");
3828         fclose(lfile);
3829 }
3830
3831 void
3832 search_workspace(struct swm_region *r, union arg *args)
3833 {
3834         int                     i;
3835         struct workspace        *ws;
3836         FILE                    *lfile;
3837
3838         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3839
3840         if (r == NULL)
3841                 return;
3842
3843         search_r = r;
3844         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3845
3846         spawn_select(r, args, "search", &searchpid);
3847
3848         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3849                 return;
3850
3851         for (i = 0; i < workspace_limit; i++) {
3852                 ws = &r->s->ws[i];
3853                 if (ws == NULL)
3854                         continue;
3855                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3856                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3857         }
3858
3859         fclose(lfile);
3860 }
3861
3862 void
3863 search_win_cleanup(void)
3864 {
3865         struct search_window    *sw = NULL;
3866
3867         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3868                 xcb_destroy_window(conn, sw->indicator);
3869                 XFreeGC(display, sw->gc);
3870                 TAILQ_REMOVE(&search_wl, sw, entry);
3871                 free(sw);
3872         }
3873 }
3874
3875 void
3876 search_win(struct swm_region *r, union arg *args)
3877 {
3878         struct ws_win           *win = NULL;
3879         struct search_window    *sw = NULL;
3880         xcb_window_t            w;
3881         XGCValues               gcv;
3882         int                     i;
3883         char                    s[8];
3884         FILE                    *lfile;
3885         size_t                  len;
3886         XRectangle              ibox, lbox;
3887
3888         DNPRINTF(SWM_D_MISC, "search_win\n");
3889
3890         search_r = r;
3891         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3892
3893         spawn_select(r, args, "search", &searchpid);
3894
3895         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3896                 return;
3897
3898         TAILQ_INIT(&search_wl);
3899
3900         i = 1;
3901         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3902                 if (win->iconic == 1)
3903                         continue;
3904
3905                 sw = calloc(1, sizeof(struct search_window));
3906                 if (sw == NULL) {
3907                         warn("search_win: calloc");
3908                         fclose(lfile);
3909                         search_win_cleanup();
3910                         return;
3911                 }
3912                 sw->idx = i;
3913                 sw->win = win;
3914
3915                 snprintf(s, sizeof s, "%d", i);
3916                 len = strlen(s);
3917
3918                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3919
3920                 w = XCreateSimpleWindow(display,
3921                     win->id, 0, 0,lbox.width + 4,
3922                     bar_fs_extents->max_logical_extent.height, 1,
3923                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3924                     r->s->c[SWM_S_COLOR_FOCUS].color);
3925
3926                 sw->indicator = w;
3927                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3928
3929                 sw->gc = XCreateGC(display, w, 0, &gcv);
3930                 map_window_raised(w);
3931                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3932
3933                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3934                     (bar_fs_extents->max_logical_extent.height -
3935                     lbox.height) / 2 - lbox.y, s, len);
3936
3937                 fprintf(lfile, "%d\n", i);
3938                 i++;
3939         }
3940
3941         fclose(lfile);
3942 }
3943
3944 void
3945 search_resp_uniconify(char *resp, unsigned long len)
3946 {
3947         unsigned char           *name;
3948         struct ws_win           *win;
3949         char                    *s;
3950
3951         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3952
3953         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3954                 if (win->iconic == 0)
3955                         continue;
3956                 name = get_win_name(win->id);
3957                 if (name == NULL)
3958                         continue;
3959                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3960                         XFree(name);
3961                         continue;
3962                 }
3963                 XFree(name);
3964                 if (strncmp(s, resp, len) == 0) {
3965                         /* XXX this should be a callback to generalize */
3966                         update_iconic(win, 0);
3967                         free(s);
3968                         break;
3969                 }
3970                 free(s);
3971         }
3972 }
3973
3974 void
3975 search_resp_name_workspace(char *resp, unsigned long len)
3976 {
3977         struct workspace        *ws;
3978
3979         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3980
3981         if (search_r->ws == NULL)
3982                 return;
3983         ws = search_r->ws;
3984
3985         if (ws->name) {
3986                 free(search_r->ws->name);
3987                 search_r->ws->name = NULL;
3988         }
3989
3990         if (len > 1) {
3991                 ws->name = strdup(resp);
3992                 if (ws->name == NULL) {
3993                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3994                             "strdup: %s", strerror(errno));
3995                         return;
3996                 }
3997         }
3998 }
3999
4000 void
4001 search_resp_search_workspace(char *resp, unsigned long len)
4002 {
4003         char                    *p, *q;
4004         int                     ws_idx;
4005         const char              *errstr;
4006         union arg               a;
4007
4008         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4009
4010         q = strdup(resp);
4011         if (!q) {
4012                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4013                     strerror(errno));
4014                 return;
4015         }
4016         p = strchr(q, ':');
4017         if (p != NULL)
4018                 *p = '\0';
4019         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
4020         if (errstr) {
4021                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4022                     errstr, q);
4023                 free(q);
4024                 return;
4025         }
4026         free(q);
4027         a.id = ws_idx - 1;
4028         switchws(search_r, &a);
4029 }
4030
4031 void
4032 search_resp_search_window(char *resp, unsigned long len)
4033 {
4034         char                    *s;
4035         int                     idx;
4036         const char              *errstr;
4037         struct search_window    *sw;
4038
4039         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4040
4041         s = strdup(resp);
4042         if (!s) {
4043                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4044                     strerror(errno));
4045                 return;
4046         }
4047
4048         idx = strtonum(s, 1, INT_MAX, &errstr);
4049         if (errstr) {
4050                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4051                     errstr, s);
4052                 free(s);
4053                 return;
4054         }
4055         free(s);
4056
4057         TAILQ_FOREACH(sw, &search_wl, entry)
4058                 if (idx == sw->idx) {
4059                         focus_win(sw->win);
4060                         break;
4061                 }
4062 }
4063
4064 #define MAX_RESP_LEN    1024
4065
4066 void
4067 search_do_resp(void)
4068 {
4069         ssize_t                 rbytes;
4070         char                    *resp;
4071         unsigned long           len;
4072
4073         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4074
4075         search_resp = 0;
4076         searchpid = 0;
4077
4078         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4079                 warn("search: calloc");
4080                 goto done;
4081         }
4082
4083         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4084         if (rbytes <= 0) {
4085                 warn("search: read error");
4086                 goto done;
4087         }
4088         resp[rbytes] = '\0';
4089
4090         /* XXX:
4091          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4092          * newline, so work around that by sanitizing the resp now.
4093          */
4094         resp[strcspn(resp, "\n")] = '\0';
4095         len = strlen(resp);
4096
4097         switch (search_resp_action) {
4098         case SWM_SEARCH_UNICONIFY:
4099                 search_resp_uniconify(resp, len);
4100                 break;
4101         case SWM_SEARCH_NAME_WORKSPACE:
4102                 search_resp_name_workspace(resp, len);
4103                 break;
4104         case SWM_SEARCH_SEARCH_WORKSPACE:
4105                 search_resp_search_workspace(resp, len);
4106                 break;
4107         case SWM_SEARCH_SEARCH_WINDOW:
4108                 search_resp_search_window(resp, len);
4109                 break;
4110         }
4111
4112 done:
4113         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4114                 search_win_cleanup();
4115
4116         search_resp_action = SWM_SEARCH_NONE;
4117         close(select_resp_pipe[0]);
4118         free(resp);
4119 }
4120
4121 void
4122 wkill(struct swm_region *r, union arg *args)
4123 {
4124         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4125
4126         if (r->ws->focus == NULL)
4127                 return;
4128
4129         if (args->id == SWM_ARG_ID_KILLWINDOW)
4130                 xcb_kill_client(conn, r->ws->focus->id);
4131         else
4132                 if (r->ws->focus->can_delete)
4133                         client_msg(r->ws->focus, adelete);
4134 }
4135
4136
4137 int
4138 floating_toggle_win(struct ws_win *win)
4139 {
4140         struct swm_region       *r;
4141
4142         if (win == NULL)
4143                 return (0);
4144
4145         if (!win->ws->r)
4146                 return (0);
4147
4148         r = win->ws->r;
4149
4150         /* reject floating toggles in max stack mode */
4151         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4152                 return (0);
4153
4154         if (win->floating) {
4155                 if (!win->floatmaxed) {
4156                         /* retain position for refloat */
4157                         store_float_geom(win, r);
4158                 }
4159                 win->floating = 0;
4160         } else {
4161                 if (win->g_floatvalid) {
4162                         /* refloat at last floating relative position */
4163                         X(win) = win->g_float.x + X(r);
4164                         Y(win) = win->g_float.y + Y(r);
4165                         WIDTH(win) = win->g_float.w;
4166                         HEIGHT(win) = win->g_float.h;
4167                 }
4168                 win->floating = 1;
4169         }
4170
4171         ewmh_update_actions(win);
4172
4173         return (1);
4174 }
4175
4176 void
4177 floating_toggle(struct swm_region *r, union arg *args)
4178 {
4179         struct ws_win           *win = r->ws->focus;
4180         union arg               a;
4181
4182         if (win == NULL)
4183                 return;
4184
4185         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4186             _NET_WM_STATE_TOGGLE);
4187
4188         stack();
4189         if (focus_mode == SWM_FOCUS_DEFAULT)
4190                 drain_enter_notify();
4191
4192         if (win == win->ws->focus) {
4193                 a.id = SWM_ARG_ID_FOCUSCUR;
4194                 focus(win->ws->r, &a);
4195         }
4196 }
4197
4198 void
4199 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4200 {
4201         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4202                 if (resizable)
4203                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4204                 else
4205                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4206         }
4207
4208         if (X(win) + BORDER(win) < X(r)) {
4209                 if (resizable)
4210                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4211
4212                 X(win) = X(r) - BORDER(win);
4213         }
4214
4215         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4216                 if (resizable)
4217                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4218                 else
4219                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4220         }
4221
4222         if (Y(win) + BORDER(win) < Y(r)) {
4223                 if (resizable)
4224                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4225
4226                 Y(win) = Y(r) - BORDER(win);
4227         }
4228
4229         if (resizable) {
4230                 if (WIDTH(win) < 1)
4231                         WIDTH(win) = 1;
4232                 if (HEIGHT(win) < 1)
4233                         HEIGHT(win) = 1;
4234         }
4235 }
4236
4237 void
4238 update_window(struct ws_win *win)
4239 {
4240         uint16_t        mask;
4241         uint32_t        wc[5];
4242
4243         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4244                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4245                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4246         wc[0] = X(win);
4247         wc[1] = Y(win);
4248         wc[2] = WIDTH(win);
4249         wc[3] = HEIGHT(win);
4250         wc[4] = BORDER(win);
4251
4252         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4253             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4254             wc[3], YESNO(win->bordered));
4255
4256         xcb_configure_window(conn, win->id, mask, wc);
4257 }
4258
4259 #define SWM_RESIZE_STEPS        (50)
4260
4261 void
4262 resize(struct ws_win *win, union arg *args)
4263 {
4264         XEvent                  ev;
4265         Time                    time = 0;
4266         struct swm_region       *r = NULL;
4267         int                     resize_step = 0;
4268         Window                  rr, cr;
4269         int                     x, y, wx, wy;
4270         unsigned int            mask;
4271         struct swm_geometry     g;
4272         int                     top = 0, left = 0;
4273         int                     dx, dy;
4274         Cursor                  cursor;
4275         unsigned int            shape; /* cursor style */
4276
4277         if (win == NULL)
4278                 return;
4279         r = win->ws->r;
4280
4281         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4282                 return;
4283
4284         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%x, floating: %s, "
4285             "transient: 0x%x\n", win->id, YESNO(win->floating),
4286             win->transient);
4287
4288         if (!(win->transient != 0 || win->floating != 0))
4289                 return;
4290
4291         /* reject resizes in max mode for floaters (transient ok) */
4292         if (win->floatmaxed)
4293                 return;
4294
4295         win->manual = 1;
4296         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4297             _NET_WM_STATE_ADD);
4298
4299         stack();
4300
4301         switch (args->id) {
4302         case SWM_ARG_ID_WIDTHSHRINK:
4303                 WIDTH(win) -= SWM_RESIZE_STEPS;
4304                 resize_step = 1;
4305                 break;
4306         case SWM_ARG_ID_WIDTHGROW:
4307                 WIDTH(win) += SWM_RESIZE_STEPS;
4308                 resize_step = 1;
4309                 break;
4310         case SWM_ARG_ID_HEIGHTSHRINK:
4311                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4312                 resize_step = 1;
4313                 break;
4314         case SWM_ARG_ID_HEIGHTGROW:
4315                 HEIGHT(win) += SWM_RESIZE_STEPS;
4316                 resize_step = 1;
4317                 break;
4318         default:
4319                 break;
4320         }
4321         if (resize_step) {
4322                 constrain_window(win, r, 1);
4323                 update_window(win);
4324                 store_float_geom(win,r);
4325                 return;
4326         }
4327
4328         if (focus_mode == SWM_FOCUS_DEFAULT)
4329                 drain_enter_notify();
4330
4331         /* get cursor offset from window root */
4332         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4333             return;
4334
4335         g = win->g;
4336
4337         if (wx < WIDTH(win) / 2)
4338                 left = 1;
4339
4340         if (wy < HEIGHT(win) / 2)
4341                 top = 1;
4342
4343         if (args->id == SWM_ARG_ID_CENTER)
4344                 shape = XC_sizing;
4345         else if (top)
4346                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4347         else
4348                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4349
4350         cursor = XCreateFontCursor(display, shape);
4351
4352         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4353             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4354                 XFreeCursor(display, cursor);
4355                 return;
4356         }
4357
4358         do {
4359                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4360                     SubstructureRedirectMask, &ev);
4361                 switch (ev.type) {
4362                 case ConfigureRequest:
4363                 case Expose:
4364                 case MapRequest:
4365                         handler[ev.type](&ev);
4366                         break;
4367                 case MotionNotify:
4368                         /* cursor offset/delta from start of the operation */
4369                         dx = ev.xmotion.x_root - x;
4370                         dy = ev.xmotion.y_root - y;
4371
4372                         /* vertical */
4373                         if (top)
4374                                 dy = -dy;
4375
4376                         if (args->id == SWM_ARG_ID_CENTER) {
4377                                 if (g.h / 2 + dy < 1)
4378                                         dy = 1 - g.h / 2;
4379
4380                                 Y(win) = g.y - dy;
4381                                 HEIGHT(win) = g.h + 2 * dy;
4382                         } else {
4383                                 if (g.h + dy < 1)
4384                                         dy = 1 - g.h;
4385
4386                                 if (top)
4387                                         Y(win) = g.y - dy;
4388
4389                                 HEIGHT(win) = g.h + dy;
4390                         }
4391
4392                         /* horizontal */
4393                         if (left)
4394                                 dx = -dx;
4395
4396                         if (args->id == SWM_ARG_ID_CENTER) {
4397                                 if (g.w / 2 + dx < 1)
4398                                         dx = 1 - g.w / 2;
4399
4400                                 X(win) = g.x - dx;
4401                                 WIDTH(win) = g.w + 2 * dx;
4402                         } else {
4403                                 if (g.w + dx < 1)
4404                                         dx = 1 - g.w;
4405
4406                                 if (left)
4407                                         X(win) = g.x - dx;
4408
4409                                 WIDTH(win) = g.w + dx;
4410                         }
4411
4412                         constrain_window(win, r, 1);
4413
4414                         /* not free, don't sync more than 120 times / second */
4415                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4416                                 time = ev.xmotion.time;
4417                                 do_sync();
4418                                 update_window(win);
4419                         }
4420                         break;
4421                 }
4422         } while (ev.type != ButtonRelease);
4423         if (time) {
4424                 do_sync();
4425                 update_window(win);
4426         }
4427         store_float_geom(win,r);
4428
4429         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4430         XFreeCursor(display, cursor);
4431
4432         /* drain events */
4433         drain_enter_notify();
4434 }
4435
4436 void
4437 resize_step(struct swm_region *r, union arg *args)
4438 {
4439         struct ws_win           *win = NULL;
4440
4441         if (r && r->ws && r->ws->focus)
4442                 win = r->ws->focus;
4443         else
4444                 return;
4445
4446         resize(win, args);
4447 }
4448
4449 #define SWM_MOVE_STEPS  (50)
4450
4451 void
4452 move(struct ws_win *win, union arg *args)
4453 {
4454         XEvent                  ev;
4455         Time                    time = 0;
4456         int                     move_step = 0;
4457         struct swm_region       *r = NULL;
4458
4459         Window                  rr, cr;
4460         int                     x, y, wx, wy;
4461         unsigned int            mask;
4462
4463         if (win == NULL)
4464                 return;
4465         r = win->ws->r;
4466
4467         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4468                 return;
4469
4470         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%x, floating: %s, transient: "
4471             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4472
4473         /* in max_stack mode should only move transients */
4474         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4475                 return;
4476
4477         win->manual = 1;
4478         if (win->floating == 0 && !win->transient) {
4479                 store_float_geom(win, r);
4480                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4481                     _NET_WM_STATE_ADD);
4482         }
4483         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4484             _NET_WM_STATE_ADD);
4485
4486         stack();
4487
4488         move_step = 0;
4489         switch (args->id) {
4490         case SWM_ARG_ID_MOVELEFT:
4491                 X(win) -= (SWM_MOVE_STEPS - border_width);
4492                 move_step = 1;
4493                 break;
4494         case SWM_ARG_ID_MOVERIGHT:
4495                 X(win) += (SWM_MOVE_STEPS - border_width);
4496                 move_step = 1;
4497                 break;
4498         case SWM_ARG_ID_MOVEUP:
4499                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4500                 move_step = 1;
4501                 break;
4502         case SWM_ARG_ID_MOVEDOWN:
4503                 Y(win) += (SWM_MOVE_STEPS - border_width);
4504                 move_step = 1;
4505                 break;
4506         default:
4507                 break;
4508         }
4509         if (move_step) {
4510                 constrain_window(win, r, 0);
4511                 update_window(win);
4512                 store_float_geom(win, r);
4513                 return;
4514         }
4515
4516         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4517             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4518             CurrentTime) != GrabSuccess)
4519                 return;
4520
4521         /* get cursor offset from window root */
4522         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4523             return;
4524
4525         do {
4526                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4527                     SubstructureRedirectMask, &ev);
4528                 switch (ev.type) {
4529                 case ConfigureRequest:
4530                 case Expose:
4531                 case MapRequest:
4532                         handler[ev.type](&ev);
4533                         break;
4534                 case MotionNotify:
4535                         X(win) = ev.xmotion.x_root - wx - border_width;
4536                         Y(win) = ev.xmotion.y_root - wy - border_width;
4537
4538                         constrain_window(win, r, 0);
4539
4540                         /* not free, don't sync more than 120 times / second */
4541                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4542                                 time = ev.xmotion.time;
4543                                 do_sync();
4544                                 update_window(win);
4545                         }
4546                         break;
4547                 }
4548         } while (ev.type != ButtonRelease);
4549         if (time) {
4550                 do_sync();
4551                 update_window(win);
4552         }
4553         store_float_geom(win, r);
4554         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4555
4556         /* drain events */
4557         drain_enter_notify();
4558 }
4559
4560 void
4561 move_step(struct swm_region *r, union arg *args)
4562 {
4563         struct ws_win           *win = NULL;
4564
4565         if (r && r->ws && r->ws->focus)
4566                 win = r->ws->focus;
4567         else
4568                 return;
4569
4570         if (!(win->transient != 0 || win->floating != 0))
4571                 return;
4572
4573         move(win, args);
4574 }
4575
4576
4577 /* user/key callable function IDs */
4578 enum keyfuncid {
4579         kf_cycle_layout,
4580         kf_flip_layout,
4581         kf_stack_reset,
4582         kf_master_shrink,
4583         kf_master_grow,
4584         kf_master_add,
4585         kf_master_del,
4586         kf_stack_inc,
4587         kf_stack_dec,
4588         kf_swap_main,
4589         kf_focus_next,
4590         kf_focus_prev,
4591         kf_swap_next,
4592         kf_swap_prev,
4593         kf_quit,
4594         kf_restart,
4595         kf_focus_main,
4596         kf_ws_1,
4597         kf_ws_2,
4598         kf_ws_3,
4599         kf_ws_4,
4600         kf_ws_5,
4601         kf_ws_6,
4602         kf_ws_7,
4603         kf_ws_8,
4604         kf_ws_9,
4605         kf_ws_10,
4606         kf_ws_11,
4607         kf_ws_12,
4608         kf_ws_13,
4609         kf_ws_14,
4610         kf_ws_15,
4611         kf_ws_16,
4612         kf_ws_17,
4613         kf_ws_18,
4614         kf_ws_19,
4615         kf_ws_20,
4616         kf_ws_21,
4617         kf_ws_22,
4618         kf_ws_next,
4619         kf_ws_prev,
4620         kf_ws_next_all,
4621         kf_ws_prev_all,
4622         kf_ws_prior,
4623         kf_screen_next,
4624         kf_screen_prev,
4625         kf_mvws_1,
4626         kf_mvws_2,
4627         kf_mvws_3,
4628         kf_mvws_4,
4629         kf_mvws_5,
4630         kf_mvws_6,
4631         kf_mvws_7,
4632         kf_mvws_8,
4633         kf_mvws_9,
4634         kf_mvws_10,
4635         kf_mvws_11,
4636         kf_mvws_12,
4637         kf_mvws_13,
4638         kf_mvws_14,
4639         kf_mvws_15,
4640         kf_mvws_16,
4641         kf_mvws_17,
4642         kf_mvws_18,
4643         kf_mvws_19,
4644         kf_mvws_20,
4645         kf_mvws_21,
4646         kf_mvws_22,
4647         kf_bar_toggle,
4648         kf_wind_kill,
4649         kf_wind_del,
4650         kf_float_toggle,
4651         kf_version,
4652         kf_spawn_custom,
4653         kf_iconify,
4654         kf_uniconify,
4655         kf_raise_toggle,
4656         kf_button2,
4657         kf_width_shrink,
4658         kf_width_grow,
4659         kf_height_shrink,
4660         kf_height_grow,
4661         kf_move_left,
4662         kf_move_right,
4663         kf_move_up,
4664         kf_move_down,
4665         kf_name_workspace,
4666         kf_search_workspace,
4667         kf_search_win,
4668         kf_dumpwins, /* MUST BE LAST */
4669         kf_invalid
4670 };
4671
4672 /* key definitions */
4673 void
4674 dummykeyfunc(struct swm_region *r, union arg *args)
4675 {
4676 };
4677
4678 struct keyfunc {
4679         char                    name[SWM_FUNCNAME_LEN];
4680         void                    (*func)(struct swm_region *r, union arg *);
4681         union arg               args;
4682 } keyfuncs[kf_invalid + 1] = {
4683         /* name                 function        argument */
4684         { "cycle_layout",       cycle_layout,   {0} },
4685         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4686         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4687         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4688         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4689         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4690         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4691         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4692         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4693         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4694         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4695         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4696         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4697         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4698         { "quit",               quit,           {0} },
4699         { "restart",            restart,        {0} },
4700         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4701         { "ws_1",               switchws,       {.id = 0} },
4702         { "ws_2",               switchws,       {.id = 1} },
4703         { "ws_3",               switchws,       {.id = 2} },
4704         { "ws_4",               switchws,       {.id = 3} },
4705         { "ws_5",               switchws,       {.id = 4} },
4706         { "ws_6",               switchws,       {.id = 5} },
4707         { "ws_7",               switchws,       {.id = 6} },
4708         { "ws_8",               switchws,       {.id = 7} },
4709         { "ws_9",               switchws,       {.id = 8} },
4710         { "ws_10",              switchws,       {.id = 9} },
4711         { "ws_11",              switchws,       {.id = 10} },
4712         { "ws_12",              switchws,       {.id = 11} },
4713         { "ws_13",              switchws,       {.id = 12} },
4714         { "ws_14",              switchws,       {.id = 13} },
4715         { "ws_15",              switchws,       {.id = 14} },
4716         { "ws_16",              switchws,       {.id = 15} },
4717         { "ws_17",              switchws,       {.id = 16} },
4718         { "ws_18",              switchws,       {.id = 17} },
4719         { "ws_19",              switchws,       {.id = 18} },
4720         { "ws_20",              switchws,       {.id = 19} },
4721         { "ws_21",              switchws,       {.id = 20} },
4722         { "ws_22",              switchws,       {.id = 21} },
4723         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4724         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4725         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4726         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4727         { "ws_prior",           priorws,        {0} },
4728         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4729         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4730         { "mvws_1",             send_to_ws,     {.id = 0} },
4731         { "mvws_2",             send_to_ws,     {.id = 1} },
4732         { "mvws_3",             send_to_ws,     {.id = 2} },
4733         { "mvws_4",             send_to_ws,     {.id = 3} },
4734         { "mvws_5",             send_to_ws,     {.id = 4} },
4735         { "mvws_6",             send_to_ws,     {.id = 5} },
4736         { "mvws_7",             send_to_ws,     {.id = 6} },
4737         { "mvws_8",             send_to_ws,     {.id = 7} },
4738         { "mvws_9",             send_to_ws,     {.id = 8} },
4739         { "mvws_10",            send_to_ws,     {.id = 9} },
4740         { "mvws_11",            send_to_ws,     {.id = 10} },
4741         { "mvws_12",            send_to_ws,     {.id = 11} },
4742         { "mvws_13",            send_to_ws,     {.id = 12} },
4743         { "mvws_14",            send_to_ws,     {.id = 13} },
4744         { "mvws_15",            send_to_ws,     {.id = 14} },
4745         { "mvws_16",            send_to_ws,     {.id = 15} },
4746         { "mvws_17",            send_to_ws,     {.id = 16} },
4747         { "mvws_18",            send_to_ws,     {.id = 17} },
4748         { "mvws_19",            send_to_ws,     {.id = 18} },
4749         { "mvws_20",            send_to_ws,     {.id = 19} },
4750         { "mvws_21",            send_to_ws,     {.id = 20} },
4751         { "mvws_22",            send_to_ws,     {.id = 21} },
4752         { "bar_toggle",         bar_toggle,     {0} },
4753         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4754         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4755         { "float_toggle",       floating_toggle,{0} },
4756         { "version",            version,        {0} },
4757         { "spawn_custom",       dummykeyfunc,   {0} },
4758         { "iconify",            iconify,        {0} },
4759         { "uniconify",          uniconify,      {0} },
4760         { "raise_toggle",       raise_toggle,   {0} },
4761         { "button2",            pressbutton,    {2} },
4762         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4763         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4764         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4765         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4766         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4767         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4768         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4769         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4770         { "name_workspace",     name_workspace, {0} },
4771         { "search_workspace",   search_workspace,       {0} },
4772         { "search_win",         search_win,     {0} },
4773         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4774         { "invalid key func",   NULL,           {0} },
4775 };
4776 struct key {
4777         RB_ENTRY(key)           entry;
4778         unsigned int            mod;
4779         KeySym                  keysym;
4780         enum keyfuncid          funcid;
4781         char                    *spawn_name;
4782 };
4783 RB_HEAD(key_tree, key);
4784
4785 int
4786 key_cmp(struct key *kp1, struct key *kp2)
4787 {
4788         if (kp1->keysym < kp2->keysym)
4789                 return (-1);
4790         if (kp1->keysym > kp2->keysym)
4791                 return (1);
4792
4793         if (kp1->mod < kp2->mod)
4794                 return (-1);
4795         if (kp1->mod > kp2->mod)
4796                 return (1);
4797
4798         return (0);
4799 }
4800
4801 RB_GENERATE(key_tree, key, entry, key_cmp);
4802 struct key_tree                 keys;
4803
4804 /* mouse */
4805 enum { client_click, root_click };
4806 struct button {
4807         unsigned int            action;
4808         unsigned int            mask;
4809         unsigned int            button;
4810         void                    (*func)(struct ws_win *, union arg *);
4811         union arg               args;
4812 } buttons[] = {
4813           /* action     key             mouse button    func    args */
4814         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4815         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4816         { client_click, MODKEY,         Button1,        move,   {0} },
4817 };
4818
4819 void
4820 update_modkey(unsigned int mod)
4821 {
4822         int                     i;
4823         struct key              *kp;
4824
4825         mod_key = mod;
4826         RB_FOREACH(kp, key_tree, &keys)
4827                 if (kp->mod & ShiftMask)
4828                         kp->mod = mod | ShiftMask;
4829                 else
4830                         kp->mod = mod;
4831
4832         for (i = 0; i < LENGTH(buttons); i++)
4833                 if (buttons[i].mask & ShiftMask)
4834                         buttons[i].mask = mod | ShiftMask;
4835                 else
4836                         buttons[i].mask = mod;
4837 }
4838
4839 /* spawn */
4840 struct spawn_prog {
4841         TAILQ_ENTRY(spawn_prog) entry;
4842         char                    *name;
4843         int                     argc;
4844         char                    **argv;
4845 };
4846 TAILQ_HEAD(spawn_list, spawn_prog);
4847 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4848
4849 int
4850 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4851     char ***ret_args)
4852 {
4853         struct spawn_prog       *prog = NULL;
4854         int                     i;
4855         char                    *ap, **real_args;
4856
4857         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4858
4859         /* find program */
4860         TAILQ_FOREACH(prog, &spawns, entry) {
4861                 if (!strcasecmp(spawn_name, prog->name))
4862                         break;
4863         }
4864         if (prog == NULL) {
4865                 warnx("spawn_custom: program %s not found", spawn_name);
4866                 return (-1);
4867         }
4868
4869         /* make room for expanded args */
4870         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4871                 err(1, "spawn_custom: calloc real_args");
4872
4873         /* expand spawn_args into real_args */
4874         for (i = 0; i < prog->argc; i++) {
4875                 ap = prog->argv[i];
4876                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4877                 if (!strcasecmp(ap, "$bar_border")) {
4878                         if ((real_args[i] =
4879                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4880                             == NULL)
4881                                 err(1,  "spawn_custom border color");
4882                 } else if (!strcasecmp(ap, "$bar_color")) {
4883                         if ((real_args[i] =
4884                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4885                             == NULL)
4886                                 err(1, "spawn_custom bar color");
4887                 } else if (!strcasecmp(ap, "$bar_font")) {
4888                         if ((real_args[i] = strdup(bar_fonts))
4889                             == NULL)
4890                                 err(1, "spawn_custom bar fonts");
4891                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4892                         if ((real_args[i] =
4893                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4894                             == NULL)
4895                                 err(1, "spawn_custom color font");
4896                 } else if (!strcasecmp(ap, "$color_focus")) {
4897                         if ((real_args[i] =
4898                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4899                             == NULL)
4900                                 err(1, "spawn_custom color focus");
4901                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4902                         if ((real_args[i] =
4903                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4904                             == NULL)
4905                                 err(1, "spawn_custom color unfocus");
4906                 } else {
4907                         /* no match --> copy as is */
4908                         if ((real_args[i] = strdup(ap)) == NULL)
4909                                 err(1, "spawn_custom strdup(ap)");
4910                 }
4911                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4912                     real_args[i]);
4913         }
4914
4915 #ifdef SWM_DEBUG
4916         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4917         for (i = 0; i < prog->argc; i++)
4918                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4919         DNPRINTF(SWM_D_SPAWN, "\n");
4920 #endif
4921         *ret_args = real_args;
4922         return (prog->argc);
4923 }
4924
4925 void
4926 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4927 {
4928         union arg               a;
4929         char                    **real_args;
4930         int                     spawn_argc, i;
4931
4932         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4933                 return;
4934         a.argv = real_args;
4935         if (fork() == 0)
4936                 spawn(r->ws->idx, &a, 1);
4937
4938         for (i = 0; i < spawn_argc; i++)
4939                 free(real_args[i]);
4940         free(real_args);
4941 }
4942
4943 void
4944 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4945 {
4946         union arg               a;
4947         char                    **real_args;
4948         int                     i, spawn_argc;
4949
4950         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4951                 return;
4952         a.argv = real_args;
4953
4954         if (pipe(select_list_pipe) == -1)
4955                 err(1, "pipe error");
4956         if (pipe(select_resp_pipe) == -1)
4957                 err(1, "pipe error");
4958
4959         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4960                 err(1, "could not disable SIGPIPE");
4961         switch (*pid = fork()) {
4962         case -1:
4963                 err(1, "cannot fork");
4964                 break;
4965         case 0: /* child */
4966                 if (dup2(select_list_pipe[0], 0) == -1)
4967                         err(1, "dup2");
4968                 if (dup2(select_resp_pipe[1], 1) == -1)
4969                         err(1, "dup2");
4970                 close(select_list_pipe[1]);
4971                 close(select_resp_pipe[0]);
4972                 spawn(r->ws->idx, &a, 0);
4973                 break;
4974         default: /* parent */
4975                 close(select_list_pipe[0]);
4976                 close(select_resp_pipe[1]);
4977                 break;
4978         }
4979
4980         for (i = 0; i < spawn_argc; i++)
4981                 free(real_args[i]);
4982         free(real_args);
4983 }
4984
4985 void
4986 spawn_insert(char *name, char *args)
4987 {
4988         char                    *arg, *cp, *ptr;
4989         struct spawn_prog       *sp;
4990
4991         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4992
4993         if ((sp = calloc(1, sizeof *sp)) == NULL)
4994                 err(1, "spawn_insert: malloc");
4995         if ((sp->name = strdup(name)) == NULL)
4996                 err(1, "spawn_insert: strdup");
4997
4998         /* convert the arguments to an argument list */
4999         if ((ptr = cp = strdup(args)) == NULL)
5000                 err(1, "spawn_insert: strdup");
5001         while ((arg = strsep(&ptr, " \t")) != NULL) {
5002                 /* empty field; skip it */
5003                 if (*arg == '\0')
5004                         continue;
5005
5006                 sp->argc++;
5007                 if ((sp->argv = realloc(sp->argv, sp->argc *
5008                     sizeof *sp->argv)) == NULL)
5009                         err(1, "spawn_insert: realloc");
5010                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5011                         err(1, "spawn_insert: strdup");
5012         }
5013         free(cp);
5014
5015         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5016         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5017 }
5018
5019 void
5020 spawn_remove(struct spawn_prog *sp)
5021 {
5022         int                     i;
5023
5024         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5025
5026         TAILQ_REMOVE(&spawns, sp, entry);
5027         for (i = 0; i < sp->argc; i++)
5028                 free(sp->argv[i]);
5029         free(sp->argv);
5030         free(sp->name);
5031         free(sp);
5032
5033         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5034 }
5035
5036 void
5037 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5038 {
5039         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5040
5041         spawn_remove(sp);
5042         spawn_insert(name, args);
5043
5044         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5045 }
5046
5047 void
5048 setspawn(char *name, char *args)
5049 {
5050         struct spawn_prog       *sp;
5051
5052         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5053
5054         if (name == NULL)
5055                 return;
5056
5057         TAILQ_FOREACH(sp, &spawns, entry) {
5058                 if (!strcmp(sp->name, name)) {
5059                         if (*args == '\0')
5060                                 spawn_remove(sp);
5061                         else
5062                                 spawn_replace(sp, name, args);
5063                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5064                         return;
5065                 }
5066         }
5067         if (*args == '\0') {
5068                 warnx("error: setspawn: cannot find program: %s", name);
5069                 return;
5070         }
5071
5072         spawn_insert(name, args);
5073         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5074 }
5075
5076 int
5077 setconfspawn(char *selector, char *value, int flags)
5078 {
5079         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5080
5081         setspawn(selector, value);
5082
5083         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5084         return (0);
5085 }
5086
5087 void
5088 setup_spawn(void)
5089 {
5090         setconfspawn("term",            "xterm",                0);
5091         setconfspawn("spawn_term",      "xterm",                0);
5092         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5093         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5094         setconfspawn("lock",            "xlock",                0);
5095         setconfspawn("initscr",         "initscreen.sh",        0);
5096         setconfspawn("menu",            "dmenu_run"
5097                                         " -fn $bar_font"
5098                                         " -nb $bar_color"
5099                                         " -nf $bar_font_color"
5100                                         " -sb $bar_border"
5101                                         " -sf $bar_color",      0);
5102         setconfspawn("search",          "dmenu"
5103                                         " -i"
5104                                         " -fn $bar_font"
5105                                         " -nb $bar_color"
5106                                         " -nf $bar_font_color"
5107                                         " -sb $bar_border"
5108                                         " -sf $bar_color",      0);
5109         setconfspawn("name_workspace",  "dmenu"
5110                                         " -p Workspace"
5111                                         " -fn $bar_font"
5112                                         " -nb $bar_color"
5113                                         " -nf $bar_font_color"
5114                                         " -sb $bar_border"
5115                                         " -sf $bar_color",      0);
5116 }
5117
5118 /* key bindings */
5119 #define SWM_MODNAME_SIZE        32
5120 #define SWM_KEY_WS              "\n+ \t"
5121 int
5122 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5123 {
5124         char                    *cp, *name;
5125         KeySym                  uks;
5126         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5127         if (mod == NULL || ks == NULL) {
5128                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5129                 return (1);
5130         }
5131         if (keystr == NULL || strlen(keystr) == 0) {
5132                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5133                 return (1);
5134         }
5135         cp = keystr;
5136         *ks = NoSymbol;
5137         *mod = 0;
5138         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5139                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5140                 if (cp)
5141                         cp += (long)strspn(cp, SWM_KEY_WS);
5142                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5143                         *mod |= currmod;
5144                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5145                         *mod |= Mod1Mask;
5146                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5147                         *mod += Mod2Mask;
5148                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5149                         *mod |= Mod3Mask;
5150                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5151                         *mod |= Mod4Mask;
5152                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5153                         *mod |= ShiftMask;
5154                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5155                         *mod |= ControlMask;
5156                 else {
5157                         *ks = XStringToKeysym(name);
5158                         XConvertCase(*ks, ks, &uks);
5159                         if (ks == NoSymbol) {
5160                                 DNPRINTF(SWM_D_KEY,
5161                                     "parsekeys: invalid key %s\n",
5162                                     name);
5163                                 return (1);
5164                         }
5165                 }
5166         }
5167         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5168         return (0);
5169 }
5170
5171 char *
5172 strdupsafe(char *str)
5173 {
5174         if (str == NULL)
5175                 return (NULL);
5176         else
5177                 return (strdup(str));
5178 }
5179
5180 void
5181 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5182 {
5183         struct key              *kp;
5184
5185         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5186             keyfuncs[kfid].name, spawn_name);
5187
5188         if ((kp = malloc(sizeof *kp)) == NULL)
5189                 err(1, "key_insert: malloc");
5190
5191         kp->mod = mod;
5192         kp->keysym = ks;
5193         kp->funcid = kfid;
5194         kp->spawn_name = strdupsafe(spawn_name);
5195         RB_INSERT(key_tree, &keys, kp);
5196
5197         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5198 }
5199
5200 struct key *
5201 key_lookup(unsigned int mod, KeySym ks)
5202 {
5203         struct key              kp;
5204
5205         kp.keysym = ks;
5206         kp.mod = mod;
5207
5208         return (RB_FIND(key_tree, &keys, &kp));
5209 }
5210
5211 void
5212 key_remove(struct key *kp)
5213 {
5214         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5215
5216         RB_REMOVE(key_tree, &keys, kp);
5217         free(kp->spawn_name);
5218         free(kp);
5219
5220         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5221 }
5222
5223 void
5224 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5225     char *spawn_name)
5226 {
5227         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5228             spawn_name);
5229
5230         key_remove(kp);
5231         key_insert(mod, ks, kfid, spawn_name);
5232
5233         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5234 }
5235
5236 void
5237 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5238     char *spawn_name)
5239 {
5240         struct key              *kp;
5241
5242         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5243             keyfuncs[kfid].name, spawn_name);
5244
5245         if ((kp = key_lookup(mod, ks)) != NULL) {
5246                 if (kfid == kf_invalid)
5247                         key_remove(kp);
5248                 else
5249                         key_replace(kp, mod, ks, kfid, spawn_name);
5250                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5251                 return;
5252         }
5253         if (kfid == kf_invalid) {
5254                 warnx("error: setkeybinding: cannot find mod/key combination");
5255                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5256                 return;
5257         }
5258
5259         key_insert(mod, ks, kfid, spawn_name);
5260         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5261 }
5262
5263 int
5264 setconfbinding(char *selector, char *value, int flags)
5265 {
5266         enum keyfuncid          kfid;
5267         unsigned int            mod;
5268         KeySym                  ks;
5269         struct spawn_prog       *sp;
5270         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5271         if (selector == NULL) {
5272                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5273                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5274                         kfid = kf_invalid;
5275                         setkeybinding(mod, ks, kfid, NULL);
5276                         return (0);
5277                 } else
5278                         return (1);
5279         }
5280         /* search by key function name */
5281         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5282                 if (strncasecmp(selector, keyfuncs[kfid].name,
5283                     SWM_FUNCNAME_LEN) == 0) {
5284                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5285                             selector);
5286                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5287                                 setkeybinding(mod, ks, kfid, NULL);
5288                                 return (0);
5289                         } else
5290                                 return (1);
5291                 }
5292         }
5293         /* search by custom spawn name */
5294         TAILQ_FOREACH(sp, &spawns, entry) {
5295                 if (strcasecmp(selector, sp->name) == 0) {
5296                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5297                             selector);
5298                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5299                                 setkeybinding(mod, ks, kf_spawn_custom,
5300                                     sp->name);
5301                                 return (0);
5302                         } else
5303                                 return (1);
5304                 }
5305         }
5306         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5307         return (1);
5308 }
5309
5310 void
5311 setup_keys(void)
5312 {
5313         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5314         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5315         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5316         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5317         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5318         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5319         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5320         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5321         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5322         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5323         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5324         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5325         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5326         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5327         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5328         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5329         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5330         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5331         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5332         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5333         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5334         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5335         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5336         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5337         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5338         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5339         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5340         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5341         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5342         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5343         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5344         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5345         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5346         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5347         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5348         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5349         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5350         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5351         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5352         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5353         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5354         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5355         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5356         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5357         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5358         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5359         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5360         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5361         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5362         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5363         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5364         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5365         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5366         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5367         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5368         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5369         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5370         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5371         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5372         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5373         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5374         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5375         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5376         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5377         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5378         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5379         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5380         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5381         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5382         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5383         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5384         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5385         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5386         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5387         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5388         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5389         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5390         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5391         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5392         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5393         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5394         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5395         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5396         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5397         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5398         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5399         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5400         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5401         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5402         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5403         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5404         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5405         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5406         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5407         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5408         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5409 #ifdef SWM_DEBUG
5410         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5411 #endif
5412 }
5413
5414 void
5415 clear_keys(void)
5416 {
5417         struct key              *kp;
5418
5419         while (RB_EMPTY(&keys) == 0) {
5420                 kp = RB_ROOT(&keys);
5421                 key_remove(kp);
5422         }
5423 }
5424
5425 int
5426 setkeymapping(char *selector, char *value, int flags)
5427 {
5428         char                    keymapping_file[PATH_MAX];
5429         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5430         if (value[0] == '~')
5431                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5432                     pwd->pw_dir, &value[1]);
5433         else
5434                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5435         clear_keys();
5436         /* load new key bindings; if it fails, revert to default bindings */
5437         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5438                 clear_keys();
5439                 setup_keys();
5440         }
5441         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5442         return (0);
5443 }
5444
5445 void
5446 updatenumlockmask(void)
5447 {
5448         unsigned int            i, j;
5449         XModifierKeymap         *modmap;
5450
5451         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5452         numlockmask = 0;
5453         modmap = XGetModifierMapping(display);
5454         for (i = 0; i < 8; i++)
5455                 for (j = 0; j < modmap->max_keypermod; j++)
5456                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5457                             == XKeysymToKeycode(display, XK_Num_Lock))
5458                                 numlockmask = (1 << i);
5459
5460         XFreeModifiermap(modmap);
5461 }
5462
5463 void
5464 grabkeys(void)
5465 {
5466         int                     num_screens;
5467         unsigned int            j, k;
5468         KeyCode                 code;
5469         unsigned int            modifiers[] =
5470             { 0, LockMask, numlockmask, numlockmask | LockMask };
5471         struct key              *kp;
5472
5473         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5474         updatenumlockmask();
5475
5476         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5477         for (k = 0; k < num_screens; k++) {
5478                 if (TAILQ_EMPTY(&screens[k].rl))
5479                         continue;
5480                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5481                         XCB_MOD_MASK_ANY);
5482                 RB_FOREACH(kp, key_tree, &keys) {
5483                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5484                                 for (j = 0; j < LENGTH(modifiers); j++)
5485                                         XGrabKey(display, code,
5486                                             kp->mod | modifiers[j],
5487                                             screens[k].root, True,
5488                                             GrabModeAsync, GrabModeAsync);
5489                 }
5490         }
5491 }
5492
5493 void
5494 grabbuttons(struct ws_win *win, int focused)
5495 {
5496         unsigned int            i, j;
5497         unsigned int            modifiers[] =
5498             { 0, LockMask, numlockmask, numlockmask|LockMask };
5499
5500         updatenumlockmask();
5501         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5502                 XCB_BUTTON_MASK_ANY);
5503         if (focused) {
5504                 for (i = 0; i < LENGTH(buttons); i++)
5505                         if (buttons[i].action == client_click)
5506                                 for (j = 0; j < LENGTH(modifiers); j++)
5507                                         xcb_grab_button(conn, False, win->id,
5508                                                 BUTTONMASK,
5509                                                 XCB_GRAB_MODE_ASYNC,
5510                                                 XCB_GRAB_MODE_SYNC,
5511                                                 XCB_WINDOW_NONE,
5512                                                 XCB_CURSOR_NONE,
5513                                                 buttons[i].button,
5514                                                 buttons[i].mask);
5515         } else
5516                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5517                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5518                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5519                         XCB_BUTTON_MASK_ANY);
5520 }
5521
5522 const char *quirkname[] = {
5523         "NONE",         /* config string for "no value" */
5524         "FLOAT",
5525         "TRANSSZ",
5526         "ANYWHERE",
5527         "XTERM_FONTADJ",
5528         "FULLSCREEN",
5529         "FOCUSPREV",
5530 };
5531
5532 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5533 #define SWM_Q_WS                "\n|+ \t"
5534 int
5535 parsequirks(char *qstr, unsigned long *quirk)
5536 {
5537         char                    *cp, *name;
5538         int                     i;
5539
5540         if (quirk == NULL)
5541                 return (1);
5542
5543         cp = qstr;
5544         *quirk = 0;
5545         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5546                 if (cp)
5547                         cp += (long)strspn(cp, SWM_Q_WS);
5548                 for (i = 0; i < LENGTH(quirkname); i++) {
5549                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5550                                 DNPRINTF(SWM_D_QUIRK,
5551                                     "parsequirks: %s\n", name);
5552                                 if (i == 0) {
5553                                         *quirk = 0;
5554                                         return (0);
5555                                 }
5556                                 *quirk |= 1 << (i-1);
5557                                 break;
5558                         }
5559                 }
5560                 if (i >= LENGTH(quirkname)) {
5561                         DNPRINTF(SWM_D_QUIRK,
5562                             "parsequirks: invalid quirk [%s]\n", name);
5563                         return (1);
5564                 }
5565         }
5566         return (0);
5567 }
5568
5569 void
5570 quirk_insert(const char *class, const char *name, unsigned long quirk)
5571 {
5572         struct quirk            *qp;
5573
5574         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5575             quirk);
5576
5577         if ((qp = malloc(sizeof *qp)) == NULL)
5578                 err(1, "quirk_insert: malloc");
5579         if ((qp->class = strdup(class)) == NULL)
5580                 err(1, "quirk_insert: strdup");
5581         if ((qp->name = strdup(name)) == NULL)
5582                 err(1, "quirk_insert: strdup");
5583
5584         qp->quirk = quirk;
5585         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5586
5587         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5588 }
5589
5590 void
5591 quirk_remove(struct quirk *qp)
5592 {
5593         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5594             qp->name, qp->quirk);
5595
5596         TAILQ_REMOVE(&quirks, qp, entry);
5597         free(qp->class);
5598         free(qp->name);
5599         free(qp);
5600
5601         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5602 }
5603
5604 void
5605 quirk_replace(struct quirk *qp, const char *class, const char *name,
5606     unsigned long quirk)
5607 {
5608         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5609             qp->name, qp->quirk);
5610
5611         quirk_remove(qp);
5612         quirk_insert(class, name, quirk);
5613
5614         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5615 }
5616
5617 void
5618 setquirk(const char *class, const char *name, unsigned long quirk)
5619 {
5620         struct quirk            *qp;
5621
5622         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5623            quirk);
5624
5625         TAILQ_FOREACH(qp, &quirks, entry) {
5626                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5627                         if (!quirk)
5628                                 quirk_remove(qp);
5629                         else
5630                                 quirk_replace(qp, class, name, quirk);
5631                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5632                         return;
5633                 }
5634         }
5635         if (!quirk) {
5636                 warnx("error: setquirk: cannot find class/name combination");
5637                 return;
5638         }
5639
5640         quirk_insert(class, name, quirk);
5641         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5642 }
5643
5644 int
5645 setconfquirk(char *selector, char *value, int flags)
5646 {
5647         char                    *cp, *class, *name;
5648         int                     retval;
5649         unsigned long           quirks;
5650         if (selector == NULL)
5651                 return (0);
5652         if ((cp = strchr(selector, ':')) == NULL)
5653                 return (0);
5654         *cp = '\0';
5655         class = selector;
5656         name = cp + 1;
5657         if ((retval = parsequirks(value, &quirks)) == 0)
5658                 setquirk(class, name, quirks);
5659         return (retval);
5660 }
5661
5662 void
5663 setup_quirks(void)
5664 {
5665         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5666         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5667         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5668         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5669         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5670         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5671         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5672         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5673         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5674         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5675         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5676         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5677         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5678 }
5679
5680 /* conf file stuff */
5681 #define SWM_CONF_FILE           "spectrwm.conf"
5682 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5683
5684 enum {
5685         SWM_S_BAR_ACTION,
5686         SWM_S_BAR_AT_BOTTOM,
5687         SWM_S_BAR_BORDER_WIDTH,
5688         SWM_S_BAR_DELAY,
5689         SWM_S_BAR_ENABLED,
5690         SWM_S_BAR_FONT,
5691         SWM_S_BAR_FORMAT,
5692         SWM_S_BAR_JUSTIFY,
5693         SWM_S_BORDER_WIDTH,
5694         SWM_S_CLOCK_ENABLED,
5695         SWM_S_CLOCK_FORMAT,
5696         SWM_S_CYCLE_EMPTY,
5697         SWM_S_CYCLE_VISIBLE,
5698         SWM_S_DIALOG_RATIO,
5699         SWM_S_DISABLE_BORDER,
5700         SWM_S_FOCUS_CLOSE,
5701         SWM_S_FOCUS_CLOSE_WRAP,
5702         SWM_S_FOCUS_DEFAULT,
5703         SWM_S_FOCUS_MODE,
5704         SWM_S_SPAWN_ORDER,
5705         SWM_S_SPAWN_TERM,
5706         SWM_S_SS_APP,
5707         SWM_S_SS_ENABLED,
5708         SWM_S_STACK_ENABLED,
5709         SWM_S_TERM_WIDTH,
5710         SWM_S_TITLE_CLASS_ENABLED,
5711         SWM_S_TITLE_NAME_ENABLED,
5712         SWM_S_URGENT_ENABLED,
5713         SWM_S_VERBOSE_LAYOUT,
5714         SWM_S_WINDOW_NAME_ENABLED,
5715         SWM_S_WORKSPACE_LIMIT
5716 };
5717
5718 int
5719 setconfvalue(char *selector, char *value, int flags)
5720 {
5721         int     i;
5722         char    *b;
5723
5724         switch (flags) {
5725         case SWM_S_BAR_ACTION:
5726                 free(bar_argv[0]);
5727                 if ((bar_argv[0] = strdup(value)) == NULL)
5728                         err(1, "setconfvalue: bar_action");
5729                 break;
5730         case SWM_S_BAR_AT_BOTTOM:
5731                 bar_at_bottom = atoi(value);
5732                 break;
5733         case SWM_S_BAR_BORDER_WIDTH:
5734                 bar_border_width = atoi(value);
5735                 if (bar_border_width < 0)
5736                         bar_border_width = 0;
5737                 break;
5738         case SWM_S_BAR_DELAY:
5739                 bar_delay = atoi(value);
5740                 break;
5741         case SWM_S_BAR_ENABLED:
5742                 bar_enabled = atoi(value);
5743                 break;
5744         case SWM_S_BAR_FONT:
5745                 b = bar_fonts;
5746                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5747                         err(1, "setconfvalue: asprintf: failed to allocate "
5748                                 "memory for bar_fonts.");
5749
5750                 free(b);
5751                 break;
5752         case SWM_S_BAR_FORMAT:
5753                 free(bar_format);
5754                 if ((bar_format = strdup(value)) == NULL)
5755                         err(1, "setconfvalue: bar_format");
5756                 break;
5757         case SWM_S_BAR_JUSTIFY:
5758                 if (!strcmp(value, "left"))
5759                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5760                 else if (!strcmp(value, "center"))
5761                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5762                 else if (!strcmp(value, "right"))
5763                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5764                 else
5765                         errx(1, "invalid bar_justify");
5766                 break;
5767         case SWM_S_BORDER_WIDTH:
5768                 border_width = atoi(value);
5769                 if (border_width < 0)
5770                         border_width = 0;
5771                 break;
5772         case SWM_S_CLOCK_ENABLED:
5773                 clock_enabled = atoi(value);
5774                 break;
5775         case SWM_S_CLOCK_FORMAT:
5776 #ifndef SWM_DENY_CLOCK_FORMAT
5777                 free(clock_format);
5778                 if ((clock_format = strdup(value)) == NULL)
5779                         err(1, "setconfvalue: clock_format");
5780 #endif
5781                 break;
5782         case SWM_S_CYCLE_EMPTY:
5783                 cycle_empty = atoi(value);
5784                 break;
5785         case SWM_S_CYCLE_VISIBLE:
5786                 cycle_visible = atoi(value);
5787                 break;
5788         case SWM_S_DIALOG_RATIO:
5789                 dialog_ratio = atof(value);
5790                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5791                         dialog_ratio = .6;
5792                 break;
5793         case SWM_S_DISABLE_BORDER:
5794                 disable_border = atoi(value);
5795                 break;
5796         case SWM_S_FOCUS_CLOSE:
5797                 if (!strcmp(value, "first"))
5798                         focus_close = SWM_STACK_BOTTOM;
5799                 else if (!strcmp(value, "last"))
5800                         focus_close = SWM_STACK_TOP;
5801                 else if (!strcmp(value, "next"))
5802                         focus_close = SWM_STACK_ABOVE;
5803                 else if (!strcmp(value, "previous"))
5804                         focus_close = SWM_STACK_BELOW;
5805                 else
5806                         errx(1, "focus_close");
5807                 break;
5808         case SWM_S_FOCUS_CLOSE_WRAP:
5809                 focus_close_wrap = atoi(value);
5810                 break;
5811         case SWM_S_FOCUS_DEFAULT:
5812                 if (!strcmp(value, "last"))
5813                         focus_default = SWM_STACK_TOP;
5814                 else if (!strcmp(value, "first"))
5815                         focus_default = SWM_STACK_BOTTOM;
5816                 else
5817                         errx(1, "focus_default");
5818                 break;
5819         case SWM_S_FOCUS_MODE:
5820                 if (!strcmp(value, "default"))
5821                         focus_mode = SWM_FOCUS_DEFAULT;
5822                 else if (!strcmp(value, "follow_cursor"))
5823                         focus_mode = SWM_FOCUS_FOLLOW;
5824                 else if (!strcmp(value, "synergy"))
5825                         focus_mode = SWM_FOCUS_SYNERGY;
5826                 else
5827                         errx(1, "focus_mode");
5828                 break;
5829         case SWM_S_SPAWN_ORDER:
5830                 if (!strcmp(value, "first"))
5831                         spawn_position = SWM_STACK_BOTTOM;
5832                 else if (!strcmp(value, "last"))
5833                         spawn_position = SWM_STACK_TOP;
5834                 else if (!strcmp(value, "next"))
5835                         spawn_position = SWM_STACK_ABOVE;
5836                 else if (!strcmp(value, "previous"))
5837                         spawn_position = SWM_STACK_BELOW;
5838                 else
5839                         errx(1, "spawn_position");
5840                 break;
5841         case SWM_S_SPAWN_TERM:
5842                 setconfspawn("term", value, 0);
5843                 setconfspawn("spawn_term", value, 0);
5844                 break;
5845         case SWM_S_SS_APP:
5846                 break;
5847         case SWM_S_SS_ENABLED:
5848                 ss_enabled = atoi(value);
5849                 break;
5850         case SWM_S_STACK_ENABLED:
5851                 stack_enabled = atoi(value);
5852                 break;
5853         case SWM_S_TERM_WIDTH:
5854                 term_width = atoi(value);
5855                 if (term_width < 0)
5856                         term_width = 0;
5857                 break;
5858         case SWM_S_TITLE_CLASS_ENABLED:
5859                 title_class_enabled = atoi(value);
5860                 break;
5861         case SWM_S_TITLE_NAME_ENABLED:
5862                 title_name_enabled = atoi(value);
5863                 break;
5864         case SWM_S_URGENT_ENABLED:
5865                 urgent_enabled = atoi(value);
5866                 break;
5867         case SWM_S_VERBOSE_LAYOUT:
5868                 verbose_layout = atoi(value);
5869                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5870                         if (verbose_layout)
5871                                 layouts[i].l_string = fancy_stacker;
5872                         else
5873                                 layouts[i].l_string = plain_stacker;
5874                 }
5875                 break;
5876         case SWM_S_WINDOW_NAME_ENABLED:
5877                 window_name_enabled = atoi(value);
5878                 break;
5879         case SWM_S_WORKSPACE_LIMIT:
5880                 workspace_limit = atoi(value);
5881                 if (workspace_limit > SWM_WS_MAX)
5882                         workspace_limit = SWM_WS_MAX;
5883                 else if (workspace_limit < 1)
5884                         workspace_limit = 1;
5885                 break;
5886         default:
5887                 return (1);
5888         }
5889         return (0);
5890 }
5891
5892 int
5893 setconfmodkey(char *selector, char *value, int flags)
5894 {
5895         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5896                 update_modkey(Mod1Mask);
5897         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5898                 update_modkey(Mod2Mask);
5899         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5900                 update_modkey(Mod3Mask);
5901         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5902                 update_modkey(Mod4Mask);
5903         else
5904                 return (1);
5905         return (0);
5906 }
5907
5908 int
5909 setconfcolor(char *selector, char *value, int flags)
5910 {
5911         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5912         return (0);
5913 }
5914
5915 int
5916 setconfregion(char *selector, char *value, int flags)
5917 {
5918         custom_region(value);
5919         return (0);
5920 }
5921
5922 int
5923 setautorun(char *selector, char *value, int flags)
5924 {
5925         int                     ws_id;
5926         char                    s[1024];
5927         char                    *ap, *sp = s;
5928         union arg               a;
5929         int                     argc = 0;
5930         long                    pid;
5931         struct pid_e            *p;
5932
5933         if (getenv("SWM_STARTED"))
5934                 return (0);
5935
5936         bzero(s, sizeof s);
5937         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5938                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5939         ws_id--;
5940         if (ws_id < 0 || ws_id >= workspace_limit)
5941                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5942
5943         /*
5944          * This is a little intricate
5945          *
5946          * If the pid already exists we simply reuse it because it means it was
5947          * used before AND not claimed by manage_window.  We get away with
5948          * altering it in the parent after INSERT because this can not be a race
5949          */
5950         a.argv = NULL;
5951         while ((ap = strsep(&sp, " \t")) != NULL) {
5952                 if (*ap == '\0')
5953                         continue;
5954                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5955                 argc++;
5956                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5957                         err(1, "setautorun: realloc");
5958                 a.argv[argc - 1] = ap;
5959         }
5960
5961         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5962                 err(1, "setautorun: realloc");
5963         a.argv[argc] = NULL;
5964
5965         if ((pid = fork()) == 0) {
5966                 spawn(ws_id, &a, 1);
5967                 /* NOTREACHED */
5968                 _exit(1);
5969         }
5970         free(a.argv);
5971
5972         /* parent */
5973         p = find_pid(pid);
5974         if (p == NULL) {
5975                 p = calloc(1, sizeof *p);
5976                 if (p == NULL)
5977                         return (1);
5978                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5979         }
5980
5981         p->pid = pid;
5982         p->ws = ws_id;
5983
5984         return (0);
5985 }
5986
5987 int
5988 setlayout(char *selector, char *value, int flags)
5989 {
5990         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5991         int                     st = SWM_V_STACK, num_screens;
5992         char                    s[1024];
5993         struct workspace        *ws;
5994
5995         if (getenv("SWM_STARTED"))
5996                 return (0);
5997
5998         bzero(s, sizeof s);
5999         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6000             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6001                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6002                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6003                     "<type>'");
6004         ws_id--;
6005         if (ws_id < 0 || ws_id >= workspace_limit)
6006                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6007
6008         if (!strcasecmp(s, "vertical"))
6009                 st = SWM_V_STACK;
6010         else if (!strcasecmp(s, "vertical_flip")) {
6011                 st = SWM_V_STACK;
6012                 f = 1;
6013         } else if (!strcasecmp(s, "horizontal"))
6014                 st = SWM_H_STACK;
6015         else if (!strcasecmp(s, "horizontal_flip")) {
6016                 st = SWM_H_STACK;
6017                 f = 1;
6018         } else if (!strcasecmp(s, "fullscreen"))
6019                 st = SWM_MAX_STACK;
6020         else
6021                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6022                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6023                     "<type>'");
6024
6025         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6026         for (i = 0; i < num_screens; i++) {
6027                 ws = (struct workspace *)&screens[i].ws;
6028                 ws[ws_id].cur_layout = &layouts[st];
6029
6030                 ws[ws_id].always_raise = raise;
6031                 if (st == SWM_MAX_STACK)
6032                         continue;
6033
6034                 /* master grow */
6035                 for (x = 0; x < abs(mg); x++) {
6036                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6037                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6038                             SWM_ARG_ID_MASTERSHRINK);
6039                         stack();
6040                 }
6041                 /* master add */
6042                 for (x = 0; x < abs(ma); x++) {
6043                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6044                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6045                             SWM_ARG_ID_MASTERDEL);
6046                         stack();
6047                 }
6048                 /* stack inc */
6049                 for (x = 0; x < abs(si); x++) {
6050                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6051                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6052                             SWM_ARG_ID_STACKDEC);
6053                         stack();
6054                 }
6055                 /* Apply flip */
6056                 if (f) {
6057                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6058                             SWM_ARG_ID_FLIPLAYOUT);
6059                         stack();
6060                 }
6061         }
6062
6063         return (0);
6064 }
6065
6066 /* config options */
6067 struct config_option {
6068         char                    *optname;
6069         int                     (*func)(char*, char*, int);
6070         int                     funcflags;
6071 };
6072 struct config_option configopt[] = {
6073         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6074         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6075         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6076         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6077         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6078         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6079         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6080         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6081         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6082         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6083         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6084         { "keyboard_mapping",           setkeymapping,  0 },
6085         { "bind",                       setconfbinding, 0 },
6086         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6087         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6088         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6089         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6090         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6091         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6092         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6093         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6094         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6095         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6096         { "modkey",                     setconfmodkey,  0 },
6097         { "program",                    setconfspawn,   0 },
6098         { "quirk",                      setconfquirk,   0 },
6099         { "region",                     setconfregion,  0 },
6100         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6101         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6102         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6103         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6104         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6105         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6106         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6107         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6108         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6109         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6110         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6111         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6112         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6113         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6114         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6115         { "autorun",                    setautorun,     0 },
6116         { "layout",                     setlayout,      0 },
6117 };
6118
6119
6120 int
6121 conf_load(char *filename, int keymapping)
6122 {
6123         FILE                    *config;
6124         char                    *line, *cp, *optsub, *optval;
6125         size_t                  linelen, lineno = 0;
6126         int                     wordlen, i, optind;
6127         struct config_option    *opt;
6128
6129         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6130
6131         if (filename == NULL) {
6132                 warnx("conf_load: no filename");
6133                 return (1);
6134         }
6135         if ((config = fopen(filename, "r")) == NULL) {
6136                 warn("conf_load: fopen: %s", filename);
6137                 return (1);
6138         }
6139
6140         while (!feof(config)) {
6141                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6142                     == NULL) {
6143                         if (ferror(config))
6144                                 err(1, "%s", filename);
6145                         else
6146                                 continue;
6147                 }
6148                 cp = line;
6149                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6150                 if (cp[0] == '\0') {
6151                         /* empty line */
6152                         free(line);
6153                         continue;
6154                 }
6155                 /* get config option */
6156                 wordlen = strcspn(cp, "=[ \t\n");
6157                 if (wordlen == 0) {
6158                         warnx("%s: line %zd: no option found",
6159                             filename, lineno);
6160                         goto out;
6161                 }
6162                 optind = -1;
6163                 for (i = 0; i < LENGTH(configopt); i++) {
6164                         opt = &configopt[i];
6165                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6166                             strlen(opt->optname) == wordlen) {
6167                                 optind = i;
6168                                 break;
6169                         }
6170                 }
6171                 if (optind == -1) {
6172                         warnx("%s: line %zd: unknown option %.*s",
6173                             filename, lineno, wordlen, cp);
6174                         goto out;
6175                 }
6176                 if (keymapping && strcmp(opt->optname, "bind")) {
6177                         warnx("%s: line %zd: invalid option %.*s",
6178                             filename, lineno, wordlen, cp);
6179                         goto out;
6180                 }
6181                 cp += wordlen;
6182                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6183                 /* get [selector] if any */
6184                 optsub = NULL;
6185                 if (*cp == '[') {
6186                         cp++;
6187                         wordlen = strcspn(cp, "]");
6188                         if (*cp != ']') {
6189                                 if (wordlen == 0) {
6190                                         warnx("%s: line %zd: syntax error",
6191                                             filename, lineno);
6192                                         goto out;
6193                                 }
6194
6195                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6196                                     -1) {
6197                                         warnx("%s: line %zd: unable to allocate"
6198                                             "memory for selector", filename,
6199                                             lineno);
6200                                         goto out;
6201                                 }
6202                         }
6203                         cp += wordlen;
6204                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6205                 }
6206                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6207                 /* get RHS value */
6208                 optval = strdup(cp);
6209                 /* call function to deal with it all */
6210                 if (configopt[optind].func(optsub, optval,
6211                     configopt[optind].funcflags) != 0)
6212                         errx(1, "%s: line %zd: invalid data for %s",
6213                             filename, lineno, configopt[optind].optname);
6214                 free(optval);
6215                 free(optsub);
6216                 free(line);
6217         }
6218
6219         fclose(config);
6220         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6221
6222         return (0);
6223
6224 out:
6225         free(line);
6226         fclose(config);
6227         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6228
6229         return (1);
6230 }
6231
6232 void
6233 set_child_transient(struct ws_win *win, Window *trans)
6234 {
6235         struct ws_win           *parent, *w;
6236         XWMHints                *wmh = NULL;
6237         struct swm_region       *r;
6238         struct workspace        *ws;
6239
6240         parent = find_window(win->transient);
6241         if (parent)
6242                 parent->child_trans = win;
6243         else {
6244                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6245                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6246
6247                 if (win->hints == NULL) {
6248                         warnx("no hints for 0x%x", win->id);
6249                         return;
6250                 }
6251
6252                 r = root_to_region(win->wa.root);
6253                 ws = r->ws;
6254                 /* parent doen't exist in our window list */
6255                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6256                         if (wmh)
6257                                 XFree(wmh);
6258
6259                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
6260                                 warnx("can't get hints for 0x%x", w->id);
6261                                 continue;
6262                         }
6263
6264                         if (win->hints->window_group != wmh->window_group)
6265                                 continue;
6266
6267                         w->child_trans = win;
6268                         win->transient = w->id;
6269                         *trans = w->id;
6270                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
6271                             "transient to 0x%x\n", win->transient);
6272                         break;
6273                 }
6274         }
6275
6276         if (wmh)
6277                 XFree(wmh);
6278 }
6279
6280 long
6281 window_get_pid(xcb_window_t win)
6282 {
6283         long                            ret = 0;
6284         const char                      *errstr;
6285         xcb_atom_t                      apid;
6286         xcb_get_property_cookie_t       pc;
6287         xcb_get_property_reply_t        *pr;
6288
6289         apid = get_atom_from_string("_NET_WM_PID");
6290         if (apid == XCB_ATOM_NONE)
6291                 goto tryharder;
6292
6293         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6294         pr = xcb_get_property_reply(conn, pc, NULL);
6295         if (!pr)
6296                 goto tryharder;
6297         if (pr->type != XCB_ATOM_CARDINAL)
6298                 goto tryharder;
6299
6300         ret = *(long *)xcb_get_property_value(pr);
6301         free(pr);
6302
6303         return (ret);
6304
6305 tryharder:
6306         apid = get_atom_from_string("_SWM_PID");
6307         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6308                 0, SWM_PROPLEN);
6309         pr = xcb_get_property_reply(conn, pc, NULL);
6310         if (!pr)
6311                 return (0);
6312         if (pr->type != XCB_ATOM_STRING)
6313                 free(pr);
6314                 return (0);
6315         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6316         free(pr);
6317
6318         return (ret);
6319 }
6320
6321 struct ws_win *
6322 manage_window(xcb_window_t id)
6323 {
6324         Window                  trans = 0;
6325         struct workspace        *ws;
6326         struct ws_win           *win, *ww;
6327         int                     format, i, ws_idx, n, border_me = 0;
6328         unsigned long           nitems, bytes;
6329         Atom                    ws_idx_atom = 0, type;
6330         Atom                    *prot = NULL, *pp;
6331         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6332         struct swm_region       *r;
6333         const char              *errstr;
6334         struct pid_e            *p;
6335         struct quirk            *qp;
6336         uint32_t                event_mask;
6337
6338         if ((win = find_window(id)) != NULL)
6339                 return (win);   /* already being managed */
6340
6341         /* see if we are on the unmanaged list */
6342         if ((win = find_unmanaged_window(id)) != NULL) {
6343                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6344                     "window: 0x%x\n", win->id);
6345                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6346                 if (win->transient)
6347                         set_child_transient(win, &trans);
6348
6349                 if (trans && (ww = find_window(trans)))
6350                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6351                 else if ((ww = win->ws->focus) &&
6352                     spawn_position == SWM_STACK_ABOVE)
6353                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6354                             win, entry);
6355                 else if (ww && spawn_position == SWM_STACK_BELOW)
6356                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6357                 else switch (spawn_position) {
6358                 default:
6359                 case SWM_STACK_TOP:
6360                 case SWM_STACK_ABOVE:
6361                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6362                         break;
6363                 case SWM_STACK_BOTTOM:
6364                 case SWM_STACK_BELOW:
6365                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6366                 }
6367
6368                 ewmh_update_actions(win);
6369                 return (win);
6370         }
6371
6372         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6373                 err(1, "manage_window: calloc: failed to allocate memory for "
6374                     "new window");
6375
6376         win->id = id;
6377         win->bordered = 0;
6378
6379         /* see if we need to override the workspace */
6380         p = find_pid(window_get_pid(id));
6381
6382         /* Get all the window data in one shot */
6383         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6384         if (ws_idx_atom) {
6385                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6386                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6387         }
6388         XGetWindowAttributes(display, id, &win->wa);
6389         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6390         win->hints = XGetWMHints(display, id);
6391         XGetTransientForHint(display, id, &trans);
6392         if (trans) {
6393                 win->transient = trans;
6394                 set_child_transient(win, &trans);
6395                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6396                     "transient: 0x%x\n", win->id, win->transient);
6397         }
6398
6399         /* get supported protocols */
6400         if (XGetWMProtocols(display, id, &prot, &n)) {
6401                 for (i = 0, pp = prot; i < n; i++, pp++) {
6402                         if (*pp == takefocus)
6403                                 win->take_focus = 1;
6404                         if (*pp == adelete)
6405                                 win->can_delete = 1;
6406                 }
6407                 if (prot)
6408                         XFree(prot);
6409         }
6410
6411         win->iconic = get_iconic(win);
6412
6413         /*
6414          * Figure out where to put the window. If it was previously assigned to
6415          * a workspace (either by spawn() or manually moving), and isn't
6416          * transient, * put it in the same workspace
6417          */
6418         r = root_to_region(win->wa.root);
6419         if (p) {
6420                 ws = &r->s->ws[p->ws];
6421                 TAILQ_REMOVE(&pidlist, p, entry);
6422                 free(p);
6423                 p = NULL;
6424         } else if (prop && win->transient == 0) {
6425                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6426                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6427                     &errstr);
6428                 if (errstr) {
6429                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6430                             errstr, prop);
6431                 }
6432                 ws = &r->s->ws[ws_idx];
6433         } else {
6434                 ws = r->ws;
6435                 /* this should launch transients in the same ws as parent */
6436                 if (id && trans)
6437                         if ((ww = find_window(trans)) != NULL)
6438                                 if (ws->r) {
6439                                         ws = ww->ws;
6440                                         if (ww->ws->r)
6441                                                 r = ww->ws->r;
6442                                         else
6443                                                 warnx("manage_window: fix this "
6444                                                     "bug mcbride");
6445                                         border_me = 1;
6446                                 }
6447         }
6448
6449         /* set up the window layout */
6450         win->id = id;
6451         win->ws = ws;
6452         win->s = r->s;  /* this never changes */
6453         if (trans && (ww = find_window(trans)))
6454                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6455         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6456                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6457                     entry);
6458         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6459                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6460         else switch (spawn_position) {
6461         default:
6462         case SWM_STACK_TOP:
6463         case SWM_STACK_ABOVE:
6464                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6465                 break;
6466         case SWM_STACK_BOTTOM:
6467         case SWM_STACK_BELOW:
6468                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6469         }
6470
6471         /* ignore window border if there is one. */
6472         WIDTH(win) = win->wa.width;
6473         HEIGHT(win) = win->wa.height;
6474         X(win) = win->wa.x + win->wa.border_width;
6475         Y(win) = win->wa.y + win->wa.border_width;
6476         win->bordered = 0;
6477         win->g_floatvalid = 0;
6478         win->floatmaxed = 0;
6479         win->ewmh_flags = 0;
6480
6481         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6482             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6483             HEIGHT(win), ws->idx);
6484
6485         constrain_window(win, r, 0);
6486
6487         /* Set window properties so we can remember this after reincarnation */
6488         if (ws_idx_atom && prop == NULL &&
6489             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6490                 SWM_PROPLEN) {
6491                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6492                     ws_idx_str);
6493                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6494                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6495         }
6496         if (prop)
6497                 XFree(prop);
6498
6499         ewmh_autoquirk(win);
6500
6501         if (XGetClassHint(display, win->id, &win->ch)) {
6502                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6503                     win->ch.res_class, win->ch.res_name);
6504
6505                 /* java is retarded so treat it special */
6506                 if (strstr(win->ch.res_name, "sun-awt")) {
6507                         win->java = 1;
6508                         border_me = 1;
6509                 }
6510
6511                 TAILQ_FOREACH(qp, &quirks, entry) {
6512                         if (!strcmp(win->ch.res_class, qp->class) &&
6513                             !strcmp(win->ch.res_name, qp->name)) {
6514                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6515                                     "class: %s, name: %s\n", win->ch.res_class,
6516                                     win->ch.res_name);
6517                                 if (qp->quirk & SWM_Q_FLOAT) {
6518                                         win->floating = 1;
6519                                         border_me = 1;
6520                                 }
6521                                 win->quirks = qp->quirk;
6522                         }
6523                 }
6524         }
6525
6526         /* alter window position if quirky */
6527         if (win->quirks & SWM_Q_ANYWHERE) {
6528                 win->manual = 1; /* don't center the quirky windows */
6529                 if (bar_enabled && Y(win) < bar_height)
6530                         Y(win) = bar_height;
6531                 if (WIDTH(win) + X(win) > WIDTH(r))
6532                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6533                 border_me = 1;
6534         }
6535
6536         /* Reset font sizes (the bruteforce way; no default keybinding). */
6537         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6538                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6539                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6540                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6541                         fake_keypress(win, XK_KP_Add, ShiftMask);
6542         }
6543
6544         ewmh_get_win_state(win);
6545         ewmh_update_actions(win);
6546         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6547
6548         /* border me */
6549         if (border_me) {
6550                 win->bordered = 1;
6551                 X(win) -= border_width;
6552                 Y(win) -= border_width;
6553                 update_window(win);
6554         }
6555
6556         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6557                         XCB_EVENT_MASK_PROPERTY_CHANGE |
6558                         XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6559
6560         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6561
6562         /* floaters need to be mapped if they are in the current workspace */
6563         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6564                 map_window_raised(win->id);
6565
6566         return (win);
6567 }
6568
6569 void
6570 free_window(struct ws_win *win)
6571 {
6572         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6573
6574         if (win == NULL)
6575                 return;
6576
6577         /* needed for restart wm */
6578         set_win_state(win, XCB_ICCCM_WM_STATE_WITHDRAWN);
6579
6580         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6581
6582         if (win->ch.res_class)
6583                 XFree(win->ch.res_class);
6584         if (win->ch.res_name)
6585                 XFree(win->ch.res_name);
6586
6587         kill_refs(win);
6588
6589         /* paint memory */
6590         memset(win, 0xff, sizeof *win); /* XXX kill later */
6591
6592         free(win);
6593 }
6594
6595 void
6596 unmanage_window(struct ws_win *win)
6597 {
6598         struct ws_win           *parent;
6599         xcb_screen_t            *screen;
6600
6601         if (win == NULL)
6602                 return;
6603
6604         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6605
6606         if (win->transient) {
6607                 parent = find_window(win->transient);
6608                 if (parent)
6609                         parent->child_trans = NULL;
6610         }
6611
6612         /* focus on root just in case */
6613         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6614         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6615                 screen->root, XCB_CURRENT_TIME);
6616
6617         focus_prev(win);
6618
6619         if (win->hints) {
6620                 XFree(win->hints);
6621                 win->hints = NULL;
6622         }
6623
6624         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6625         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6626 }
6627
6628 void
6629 focus_magic(struct ws_win *win)
6630 {
6631         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6632
6633         if (win == NULL) {
6634                 /* if there are no windows clear the status-bar */
6635                 bar_update();
6636                 return;
6637         }
6638
6639         if (win->child_trans) {
6640                 /* win = parent & has a transient so focus on that */
6641                 if (win->java) {
6642                         focus_win(win->child_trans);
6643                         if (win->child_trans->take_focus)
6644                                 client_msg(win, takefocus);
6645                 } else {
6646                         /* make sure transient hasn't disappeared */
6647                         if (validate_win(win->child_trans) == 0) {
6648                                 focus_win(win->child_trans);
6649                                 if (win->child_trans->take_focus)
6650                                         client_msg(win->child_trans, takefocus);
6651                         } else {
6652                                 win->child_trans = NULL;
6653                                 focus_win(win);
6654                                 if (win->take_focus)
6655                                         client_msg(win, takefocus);
6656                         }
6657                 }
6658         } else {
6659                 /* regular focus */
6660                 focus_win(win);
6661                 if (win->take_focus)
6662                         client_msg(win, takefocus);
6663         }
6664 }
6665
6666 void
6667 expose(XEvent *e)
6668 {
6669         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6670 }
6671
6672 void
6673 keypress(XEvent *e)
6674 {
6675         KeySym                  keysym;
6676         XKeyEvent               *ev = &e->xkey;
6677         struct key              *kp;
6678         struct swm_region       *r;
6679
6680         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6681         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6682                 return;
6683         if (keyfuncs[kp->funcid].func == NULL)
6684                 return;
6685
6686         r = root_to_region(ev->root);
6687         if (kp->funcid == kf_spawn_custom)
6688                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6689         else
6690                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6691 }
6692
6693 void
6694 buttonpress(XEvent *e)
6695 {
6696         struct ws_win           *win;
6697         int                     i, action;
6698         XButtonPressedEvent     *ev = &e->xbutton;
6699
6700         if ((win = find_window(ev->window)) == NULL)
6701                 return;
6702
6703         focus_magic(win);
6704         action = client_click;
6705
6706         for (i = 0; i < LENGTH(buttons); i++)
6707                 if (action == buttons[i].action && buttons[i].func &&
6708                     buttons[i].button == ev->button &&
6709                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6710                         buttons[i].func(win, &buttons[i].args);
6711 }
6712
6713 void
6714 configurerequest(XEvent *e)
6715 {
6716         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6717         struct ws_win           *win;
6718         int                     new = 0;
6719         XWindowChanges          wc;
6720
6721         if ((win = find_window(ev->window)) == NULL)
6722                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6723                         new = 1;
6724
6725         if (new) {
6726                 bzero(&wc, sizeof wc);
6727                 wc.x = ev->x;
6728                 wc.y = ev->y;
6729                 wc.width = ev->width;
6730                 wc.height = ev->height;
6731                 wc.border_width = ev->border_width;
6732                 wc.sibling = ev->above;
6733                 wc.stack_mode = ev->detail;
6734
6735                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6736                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6737                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6738
6739                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6740         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6741             !(win->sh_mask & EWMH_F_FULLSCREEN)) {
6742                 win->g_float.x = ev->x - X(win->ws->r);
6743                 win->g_float.y = ev->y - Y(win->ws->r);
6744                 win->g_float.w = ev->width;
6745                 win->g_float.h = ev->height;
6746                 win->g_floatvalid = 1;
6747
6748                 if (win->floating) {
6749                         win->g = win->g_float;
6750                         win->g.x += X(win->ws->r);
6751                         win->g.y += Y(win->ws->r);
6752                         update_window(win);
6753                 } else {
6754                         config_win(win, ev);
6755                 }
6756         } else {
6757                 config_win(win, ev);
6758         }
6759 }
6760
6761 void
6762 configurenotify(XEvent *e)
6763 {
6764         struct ws_win           *win;
6765
6766         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6767             e->xconfigure.window);
6768
6769         win = find_window(e->xconfigure.window);
6770         if (win) {
6771                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6772                 adjust_font(win);
6773                 if (font_adjusted)
6774                         stack();
6775                 if (focus_mode == SWM_FOCUS_DEFAULT)
6776                         drain_enter_notify();
6777         }
6778 }
6779
6780 void
6781 destroynotify(XEvent *e)
6782 {
6783         struct ws_win           *win;
6784         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6785
6786         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6787
6788         if ((win = find_window(ev->window)) == NULL) {
6789                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6790                         return;
6791                 free_window(win);
6792                 return;
6793         }
6794
6795         /* make sure we focus on something */
6796         win->floating = 0;
6797
6798         unmanage_window(win);
6799         stack();
6800         if (focus_mode == SWM_FOCUS_DEFAULT)
6801                 drain_enter_notify();
6802         free_window(win);
6803 }
6804
6805 void
6806 enternotify(XEvent *e)
6807 {
6808         XCrossingEvent          *ev = &e->xcrossing;
6809         XEvent                  cne;
6810         struct ws_win           *win;
6811 #if 0
6812         struct ws_win           *w;
6813         Window                  focus_return;
6814         int                     revert_to_return;
6815 #endif
6816         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6817             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6818             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6819             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6820
6821         if (ev->mode != NotifyNormal) {
6822                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6823                     "cursor grab.\n");
6824                 return;
6825         }
6826
6827         switch (focus_mode) {
6828         case SWM_FOCUS_DEFAULT:
6829                 break;
6830         case SWM_FOCUS_FOLLOW:
6831                 break;
6832         case SWM_FOCUS_SYNERGY:
6833 #if 0
6834         /*
6835          * all these checks need to be in this order because the
6836          * XCheckTypedWindowEvent relies on weeding out the previous events
6837          *
6838          * making this code an option would enable a follow mouse for focus
6839          * feature
6840          */
6841
6842         /*
6843          * state is set when we are switching workspaces and focus is set when
6844          * the window or a subwindow already has focus (occurs during restart).
6845          *
6846          * Only honor the focus flag if last_focus_event is not FocusOut,
6847          * this allows spectrwm to continue to control focus when another
6848          * program is also playing with it.
6849          */
6850         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6851                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6852                 return;
6853         }
6854
6855         /*
6856          * happens when a window is created or destroyed and the border
6857          * crosses the mouse pointer and when switching ws
6858          *
6859          * we need the subwindow test to see if we came from root in order
6860          * to give focus to floaters
6861          */
6862         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6863             ev->subwindow == 0) {
6864                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6865                 return;
6866         }
6867
6868         /* this window already has focus */
6869         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6870                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6871                 return;
6872         }
6873
6874         /* this window is being deleted or moved to another ws */
6875         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6876             &cne) == True) {
6877                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6878                 XPutBackEvent(display, &cne);
6879                 return;
6880         }
6881
6882         if ((win = find_window(ev->window)) == NULL) {
6883                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6884                 return;
6885         }
6886
6887         /*
6888          * In fullstack kill all enters unless they come from a different ws
6889          * (i.e. another region) or focus has been grabbed externally.
6890          */
6891         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6892             last_focus_event != FocusOut) {
6893                 XGetInputFocus(display, &focus_return, &revert_to_return);
6894                 if ((w = find_window(focus_return)) == NULL ||
6895                     w->ws == win->ws) {
6896                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6897                         return;
6898                 }
6899         }
6900 #endif
6901                 break;
6902         }
6903
6904         if ((win = find_window(ev->window)) == NULL) {
6905                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6906                 return;
6907         }
6908
6909         /*
6910          * if we have more enternotifies let them handle it in due time
6911          */
6912         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6913                 DNPRINTF(SWM_D_EVENT,
6914                     "ignoring enternotify: got more enternotify\n");
6915                 XPutBackEvent(display, &cne);
6916                 return;
6917         }
6918
6919         focus_magic(win);
6920 }
6921
6922 /* lets us use one switch statement for arbitrary mode/detail combinations */
6923 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6924
6925 void
6926 focusevent(XEvent *e)
6927 {
6928 #if 0
6929         struct ws_win           *win;
6930         u_int32_t               mode_detail;
6931         XFocusChangeEvent       *ev = &e->xfocus;
6932
6933         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6934             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6935             ev->window, ev->mode, ev->detail);
6936
6937         if (last_focus_event == ev->type) {
6938                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6939                 return;
6940         }
6941
6942         last_focus_event = ev->type;
6943         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6944
6945         switch (mode_detail) {
6946         /* synergy client focus operations */
6947         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6948         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6949
6950         /* synergy server focus operations */
6951         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6952
6953         /* Entering applications like rdesktop that mangle the pointer */
6954         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6955
6956                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6957                         XSetWindowBorder(display, win->id,
6958                             win->ws->r->s->c[ev->type == FocusIn ?
6959                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6960                 break;
6961         default:
6962                 warnx("ignoring focusevent");
6963                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6964                 break;
6965         }
6966 #endif
6967 }
6968
6969 void
6970 mapnotify(XEvent *e)
6971 {
6972         struct ws_win           *win;
6973         XMapEvent               *ev = &e->xmap;
6974
6975         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6976
6977         win = manage_window(ev->window);
6978         if (win)
6979                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
6980
6981         /*
6982          * focus_win can only set input focus on a mapped window.
6983          * make sure the window really has focus since it is just being mapped.
6984          */
6985         if (win->ws->focus == win)
6986                 focus_win(win);
6987 }
6988
6989 void
6990 mappingnotify(XEvent *e)
6991 {
6992         XMappingEvent           *ev = &e->xmapping;
6993
6994         XRefreshKeyboardMapping(ev);
6995         if (ev->request == MappingKeyboard)
6996                 grabkeys();
6997 }
6998
6999 void
7000 maprequest(XEvent *e)
7001 {
7002         struct ws_win           *win;
7003         struct swm_region       *r;
7004         XWindowAttributes       wa;
7005         XMapRequestEvent        *ev = &e->xmaprequest;
7006
7007         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
7008             e->xmaprequest.window);
7009
7010         if (!XGetWindowAttributes(display, ev->window, &wa))
7011                 return;
7012         if (wa.override_redirect)
7013                 return;
7014
7015         win = manage_window(e->xmaprequest.window);
7016         if (win == NULL)
7017                 return; /* can't happen */
7018
7019         stack();
7020
7021         /* make new win focused */
7022         r = root_to_region(win->wa.root);
7023         if (win->ws == r->ws)
7024                 focus_magic(win);
7025 }
7026
7027 void
7028 propertynotify(XEvent *e)
7029 {
7030         struct ws_win           *win;
7031         XPropertyEvent          *ev = &e->xproperty;
7032 #ifdef SWM_DEBUG
7033         char                    *name;
7034         name = XGetAtomName(display, ev->atom);
7035         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
7036             ev->window, name);
7037         XFree(name);
7038 #endif
7039
7040         win = find_window(ev->window);
7041         if (win == NULL)
7042                 return;
7043
7044         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
7045                 update_iconic(win, 0);
7046                 map_window_raised(win->id);
7047                 stack();
7048                 focus_win(win);
7049                 return;
7050         }
7051
7052         switch (ev->atom) {
7053 #if 0
7054         case XA_WM_NORMAL_HINTS:
7055                 long            mask;
7056                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
7057                 warnx("normal hints: flag 0x%x", win->sh.flags);
7058                 if (win->sh.flags & PMinSize) {
7059                         WIDTH(win) = win->sh.min_width;
7060                         HEIGHT(win) = win->sh.min_height;
7061                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7062                 }
7063                 XMoveResizeWindow(display, win->id,
7064                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7065 #endif
7066         case XA_WM_CLASS:
7067         case XA_WM_NAME:
7068                 bar_update();
7069                 break;
7070         default:
7071                 break;
7072         }
7073 }
7074
7075 void
7076 unmapnotify(XEvent *e)
7077 {
7078         struct ws_win           *win;
7079
7080         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7081
7082         /* determine if we need to help unmanage this window */
7083         win = find_window(e->xunmap.window);
7084         if (win == NULL)
7085                 return;
7086
7087         if (getstate(e->xunmap.window) == XCB_ICCCM_WM_STATE_NORMAL) {
7088                 unmanage_window(win);
7089                 stack();
7090
7091                 /* giant hack for apps that don't destroy transient windows */
7092                 /* eat a bunch of events to prevent remanaging the window */
7093                 XEvent                  cne;
7094                 while (XCheckWindowEvent(display, e->xunmap.window,
7095                     EnterWindowMask, &cne))
7096                         ;
7097                 while (XCheckWindowEvent(display, e->xunmap.window,
7098                     StructureNotifyMask, &cne))
7099                         ;
7100                 while (XCheckWindowEvent(display, e->xunmap.window,
7101                     SubstructureNotifyMask, &cne))
7102                         ;
7103                 /* resend unmap because we ated it */
7104                 XUnmapWindow(display, e->xunmap.window);
7105         }
7106
7107         if (focus_mode == SWM_FOCUS_DEFAULT)
7108                 drain_enter_notify();
7109 }
7110
7111 void
7112 visibilitynotify(XEvent *e)
7113 {
7114         int                     i, num_screens;
7115         struct swm_region       *r;
7116
7117         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7118             e->xvisibility.window);
7119
7120         if (e->xvisibility.state == VisibilityUnobscured) {
7121                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7122                 for (i = 0; i < num_screens; i++)
7123                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7124                                 if (e->xvisibility.window == WINID(r->bar))
7125                                         bar_update();
7126         }
7127 }
7128
7129 void
7130 clientmessage(XEvent *e)
7131 {
7132         XClientMessageEvent     *ev;
7133         struct ws_win           *win;
7134
7135         ev = &e->xclient;
7136
7137         win = find_window(ev->window);
7138         if (win == NULL) {
7139                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7140                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7141                             "unmanaged window.\n");
7142                         e->xmaprequest.window = ev->window;
7143                         maprequest(e);
7144                 }
7145                 return;
7146         }
7147
7148         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7149             ev->window, ev->message_type);
7150
7151         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7152                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7153                 focus_win(win);
7154         }
7155         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7156                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7157                 if (win->can_delete)
7158                         client_msg(win, adelete);
7159                 else
7160                         xcb_kill_client(conn, win->id);
7161         }
7162         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7163                 DNPRINTF(SWM_D_EVENT,
7164                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7165                 if (win->floating) {
7166                         if (ev->data.l[0] & (1<<8)) /* x */
7167                                 X(win) = ev->data.l[1];
7168                         if (ev->data.l[0] & (1<<9)) /* y */
7169                                 Y(win) = ev->data.l[2];
7170                         if (ev->data.l[0] & (1<<10)) /* width */
7171                                 WIDTH(win) = ev->data.l[3];
7172                         if (ev->data.l[0] & (1<<11)) /* height */
7173                                 HEIGHT(win) = ev->data.l[4];
7174
7175                         update_window(win);
7176                 }
7177                 else {
7178                         /* TODO: Change stack sizes */
7179                         /* notify no change was made. */
7180                         config_win(win, NULL);
7181                 }
7182         }
7183         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7184                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7185                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7186                 if (ev->data.l[2])
7187                         ewmh_update_win_state(win, ev->data.l[2],
7188                             ev->data.l[0]);
7189
7190                 stack();
7191         }
7192 }
7193
7194 int
7195 xerror_start(Display *d, XErrorEvent *ee)
7196 {
7197         other_wm = 1;
7198         return (-1);
7199 }
7200
7201 int
7202 xerror(Display *d, XErrorEvent *ee)
7203 {
7204         /* warnx("error: %p %p", display, ee); */
7205         return (-1);
7206 }
7207
7208 int
7209 active_wm(void)
7210 {
7211         other_wm = 0;
7212         xerrorxlib = XSetErrorHandler(xerror_start);
7213
7214         /* this causes an error if some other window manager is running */
7215         XSelectInput(display, DefaultRootWindow(display),
7216             SubstructureRedirectMask);
7217         do_sync();
7218         if (other_wm)
7219                 return (1);
7220
7221         XSetErrorHandler(xerror);
7222         do_sync();
7223         return (0);
7224 }
7225
7226 void
7227 new_region(struct swm_screen *s, int x, int y, int w, int h)
7228 {
7229         struct swm_region       *r, *n;
7230         struct workspace        *ws = NULL;
7231         int                     i;
7232
7233         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7234              s->idx, w, h, x, y);
7235
7236         /* remove any conflicting regions */
7237         n = TAILQ_FIRST(&s->rl);
7238         while (n) {
7239                 r = n;
7240                 n = TAILQ_NEXT(r, entry);
7241                 if (X(r) < (x + w) &&
7242                     (X(r) + WIDTH(r)) > x &&
7243                     Y(r) < (y + h) &&
7244                     (Y(r) + HEIGHT(r)) > y) {
7245                         if (r->ws->r != NULL)
7246                                 r->ws->old_r = r->ws->r;
7247                         r->ws->r = NULL;
7248                         bar_cleanup(r);
7249                         TAILQ_REMOVE(&s->rl, r, entry);
7250                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7251                 }
7252         }
7253
7254         /* search old regions for one to reuse */
7255
7256         /* size + location match */
7257         TAILQ_FOREACH(r, &s->orl, entry)
7258                 if (X(r) == x && Y(r) == y &&
7259                     HEIGHT(r) == h && WIDTH(r) == w)
7260                         break;
7261
7262         /* size match */
7263         TAILQ_FOREACH(r, &s->orl, entry)
7264                 if (HEIGHT(r) == h && WIDTH(r) == w)
7265                         break;
7266
7267         if (r != NULL) {
7268                 TAILQ_REMOVE(&s->orl, r, entry);
7269                 /* try to use old region's workspace */
7270                 if (r->ws->r == NULL)
7271                         ws = r->ws;
7272         } else
7273                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7274                         err(1, "new_region: calloc: failed to allocate memory "
7275                             "for screen");
7276
7277         /* if we don't have a workspace already, find one */
7278         if (ws == NULL) {
7279                 for (i = 0; i < workspace_limit; i++)
7280                         if (s->ws[i].r == NULL) {
7281                                 ws = &s->ws[i];
7282                                 break;
7283                         }
7284         }
7285
7286         if (ws == NULL)
7287                 errx(1, "new_region: no free workspaces");
7288
7289         X(r) = x;
7290         Y(r) = y;
7291         WIDTH(r) = w;
7292         HEIGHT(r) = h;
7293         r->s = s;
7294         r->ws = ws;
7295         r->ws_prior = NULL;
7296         ws->r = r;
7297         outputs++;
7298         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7299 }
7300
7301 void
7302 scan_xrandr(int i)
7303 {
7304 #ifdef SWM_XRR_HAS_CRTC
7305         int                     c;
7306         int                     ncrtc = 0;
7307 #endif /* SWM_XRR_HAS_CRTC */
7308         struct swm_region       *r;
7309         int                     num_screens;
7310         xcb_randr_get_screen_resources_current_cookie_t src;
7311         xcb_randr_get_screen_resources_current_reply_t  *srr;
7312         xcb_randr_get_crtc_info_cookie_t        cic;
7313         xcb_randr_get_crtc_info_reply_t         *cir = NULL;
7314         xcb_randr_crtc_t        *crtc;
7315
7316         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7317         if (i >= num_screens)
7318                 errx(1, "scan_xrandr: invalid screen");
7319
7320         /* remove any old regions */
7321         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7322                 r->ws->old_r = r->ws->r = NULL;
7323                 bar_cleanup(r);
7324                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7325                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7326         }
7327         outputs = 0;
7328
7329         /* map virtual screens onto physical screens */
7330 #ifdef SWM_XRR_HAS_CRTC
7331         if (xrandr_support) {
7332                 src = xcb_randr_get_screen_resources_current(conn,
7333                         screens[i].root);
7334                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7335                         NULL);
7336                 if (srr == NULL)
7337                         new_region(&screens[i], 0, 0,
7338                             DisplayWidth(display, i),
7339                             DisplayHeight(display, i));
7340                 else
7341                         ncrtc = srr->num_crtcs;
7342                 for (c = 0; c < ncrtc; c++) {
7343                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7344                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7345                                 XCB_CURRENT_TIME);
7346                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7347                         if (cir && cir->num_outputs == 0)
7348                                 continue;
7349
7350                         if (cir == NULL || cir->mode == 0)
7351                                 new_region(&screens[i], 0, 0,
7352                                     DisplayWidth(display, i),
7353                                     DisplayHeight(display, i));
7354                         else
7355                                 new_region(&screens[i],
7356                                     cir->x, cir->y, cir->width, cir->height);
7357                 }
7358                 if (srr)
7359                         free(srr);
7360                 if (cir)
7361                         free(cir);
7362         } else
7363 #endif /* SWM_XRR_HAS_CRTC */
7364         {
7365                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
7366                     DisplayHeight(display, i));
7367         }
7368 }
7369
7370 void
7371 screenchange(XEvent *e)
7372 {
7373         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7374         struct swm_region               *r;
7375         int                             i, num_screens;
7376
7377         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7378
7379         if (!XRRUpdateConfiguration(e))
7380                 return;
7381
7382         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7383         /* silly event doesn't include the screen index */
7384         for (i = 0; i < num_screens; i++)
7385                 if (screens[i].root == xe->root)
7386                         break;
7387         if (i >= num_screens)
7388                 errx(1, "screenchange: screen not found");
7389
7390         /* brute force for now, just re-enumerate the regions */
7391         scan_xrandr(i);
7392
7393         /* add bars to all regions */
7394         for (i = 0; i < num_screens; i++)
7395                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7396                         bar_setup(r);
7397         stack();
7398         if (focus_mode == SWM_FOCUS_DEFAULT)
7399                 drain_enter_notify();
7400 }
7401
7402 void
7403 grab_windows(void)
7404 {
7405         xcb_window_t            *wins   = NULL;
7406         int                     no;
7407         int                     i, j, num_screens;
7408         uint16_t                state, manage;
7409
7410         xcb_query_tree_cookie_t                 qtc;
7411         xcb_query_tree_reply_t                  *qtr;
7412         xcb_get_window_attributes_cookie_t      c;
7413         xcb_get_window_attributes_reply_t       *r;
7414         xcb_get_property_cookie_t               pc;
7415
7416         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7417         for (i = 0; i < num_screens; i++) {
7418                 qtc = xcb_query_tree(conn, screens[i].root);
7419                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7420                 if (!qtr)
7421                         continue;
7422                 wins = xcb_query_tree_children(qtr);
7423                 no = xcb_query_tree_children_length(qtr);
7424                 /* attach windows to a region */
7425                 /* normal windows */
7426                 for (j = 0; j < no; j++) {
7427                         c = xcb_get_window_attributes(conn, wins[j]);
7428                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7429                         if (!r)
7430                                 continue;
7431                         if (r->override_redirect) {
7432                                 free(r);
7433                                 continue;
7434                         }
7435
7436                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7437                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7438                                         NULL)) {
7439                                 free(r);
7440                                 continue;
7441                         }
7442
7443                         state = getstate(wins[j]);
7444                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7445                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7446                                 manage_window(wins[j]);
7447                         free(r);
7448                 }
7449                 /* transient windows */
7450                 for (j = 0; j < no; j++) {
7451                         c = xcb_get_window_attributes(conn, wins[j]);
7452                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7453                         if (!r)
7454                                 continue;
7455                         if (r->override_redirect) {
7456                                 free(r);
7457                                 continue;
7458                         }
7459                         free(r);
7460
7461                         state = getstate(wins[j]);
7462                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7463                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7464                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7465                                         NULL) && manage)
7466                                 manage_window(wins[j]);
7467                 }
7468                 free(qtr);
7469         }
7470 }
7471
7472 void
7473 setup_screens(void)
7474 {
7475         int                     i, j, k, num_screens;
7476         struct workspace        *ws;
7477         XGCValues               gcv;
7478         const xcb_query_extension_reply_t *qep;
7479         xcb_randr_query_version_cookie_t        c;
7480         xcb_randr_query_version_reply_t         *r;
7481
7482         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7483         if ((screens = calloc(num_screens,
7484              sizeof(struct swm_screen))) == NULL)
7485                 err(1, "setup_screens: calloc: failed to allocate memory for "
7486                     "screens");
7487
7488         /* initial Xrandr setup */
7489         xrandr_support = False;
7490         c = xcb_randr_query_version(conn, True, True);
7491         r = xcb_randr_query_version_reply(conn, c, NULL);
7492         if (r) {
7493                 if (r->major_version >= 1)
7494                         xrandr_support = True;
7495                 free(r);
7496         }
7497         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7498         xrandr_eventbase = qep->first_event;
7499
7500         /* map physical screens */
7501         for (i = 0; i < num_screens; i++) {
7502                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7503                 screens[i].idx = i;
7504                 TAILQ_INIT(&screens[i].rl);
7505                 TAILQ_INIT(&screens[i].orl);
7506                 screens[i].root = RootWindow(display, i);
7507
7508                 /* set default colors */
7509                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7510                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7511                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7512                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7513                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7514
7515                 /* create graphics context on screen */
7516                 gcv.graphics_exposures = 0;
7517                 screens[i].bar_gc = XCreateGC(display, screens[i].root,
7518                         GCGraphicsExposures, &gcv);
7519
7520                 /* set default cursor */
7521                 XDefineCursor(display, screens[i].root,
7522                     XCreateFontCursor(display, XC_left_ptr));
7523
7524                 /* init all workspaces */
7525                 /* XXX these should be dynamically allocated too */
7526                 for (j = 0; j < SWM_WS_MAX; j++) {
7527                         ws = &screens[i].ws[j];
7528                         ws->idx = j;
7529                         ws->name = NULL;
7530                         ws->focus = NULL;
7531                         ws->r = NULL;
7532                         ws->old_r = NULL;
7533                         TAILQ_INIT(&ws->winlist);
7534                         TAILQ_INIT(&ws->unmanagedlist);
7535
7536                         for (k = 0; layouts[k].l_stack != NULL; k++)
7537                                 if (layouts[k].l_config != NULL)
7538                                         layouts[k].l_config(ws,
7539                                             SWM_ARG_ID_STACKINIT);
7540                         ws->cur_layout = &layouts[0];
7541                         ws->cur_layout->l_string(ws);
7542                 }
7543
7544                 scan_xrandr(i);
7545
7546                 if (xrandr_support)
7547                         xcb_randr_select_input(conn, screens[i].root,
7548                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7549         }
7550 }
7551
7552 void
7553 setup_globals(void)
7554 {
7555         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7556                 err(1, "setup_globals: strdup: failed to allocate memory.");
7557
7558         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7559                 err(1, "setup_globals: strdup: failed to allocate memory.");
7560 }
7561
7562 void
7563 workaround(void)
7564 {
7565         int                     i, num_screens;
7566         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7567         xcb_window_t            root, win;
7568
7569         /* work around sun jdk bugs, code from wmname */
7570         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7571         netwmname = get_atom_from_string("_NET_WM_NAME");
7572         utf8_string = get_atom_from_string("UTF8_STRING");
7573
7574         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7575         for (i = 0; i < num_screens; i++) {
7576                 root = screens[i].root;
7577                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
7578                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
7579                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
7580
7581                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7582                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7583                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7584                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7585                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7586                         netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7587         }
7588 }
7589
7590 int
7591 main(int argc, char *argv[])
7592 {
7593         struct swm_region       *r, *rr;
7594         struct ws_win           *winfocus = NULL;
7595         struct timeval          tv;
7596         union arg               a;
7597         char                    conf[PATH_MAX], *cfile = NULL;
7598         struct stat             sb;
7599         XEvent                  e;
7600         int                     xfd, i, num_screens;
7601         fd_set                  rd;
7602         struct sigaction        sact;
7603
7604         start_argv = argv;
7605         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7606         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7607             !XSupportsLocale())
7608                 warnx("no locale support");
7609
7610         if (!X_HAVE_UTF8_STRING)
7611                 warnx("no UTF-8 support");
7612
7613         if (!(display = XOpenDisplay(0)))
7614                 errx(1, "can not open display");
7615
7616         if (!(conn = XGetXCBConnection(display)))
7617                 errx(1, "can not get XCB connection");
7618
7619         if (active_wm())
7620                 errx(1, "other wm running");
7621
7622         /* handle some signals */
7623         bzero(&sact, sizeof(sact));
7624         sigemptyset(&sact.sa_mask);
7625         sact.sa_flags = 0;
7626         sact.sa_handler = sighdlr;
7627         sigaction(SIGINT, &sact, NULL);
7628         sigaction(SIGQUIT, &sact, NULL);
7629         sigaction(SIGTERM, &sact, NULL);
7630         sigaction(SIGHUP, &sact, NULL);
7631
7632         sact.sa_handler = sighdlr;
7633         sact.sa_flags = SA_NOCLDSTOP;
7634         sigaction(SIGCHLD, &sact, NULL);
7635
7636         astate = get_atom_from_string("WM_STATE");
7637         aprot = get_atom_from_string("WM_PROTOCOLS");
7638         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7639         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7640         a_wmname = get_atom_from_string("WM_NAME");
7641         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7642         a_utf8_string = get_atom_from_string("UTF8_STRING");
7643         a_string = get_atom_from_string("STRING");
7644         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7645
7646         /* look for local and global conf file */
7647         pwd = getpwuid(getuid());
7648         if (pwd == NULL)
7649                 errx(1, "invalid user: %d", getuid());
7650
7651         setup_globals();
7652         setup_screens();
7653         setup_keys();
7654         setup_quirks();
7655         setup_spawn();
7656
7657         /* load config */
7658         for (i = 0; ; i++) {
7659                 conf[0] = '\0';
7660                 switch (i) {
7661                 case 0:
7662                         /* ~ */
7663                         snprintf(conf, sizeof conf, "%s/.%s",
7664                             pwd->pw_dir, SWM_CONF_FILE);
7665                         break;
7666                 case 1:
7667                         /* global */
7668                         snprintf(conf, sizeof conf, "/etc/%s",
7669                             SWM_CONF_FILE);
7670                         break;
7671                 case 2:
7672                         /* ~ compat */
7673                         snprintf(conf, sizeof conf, "%s/.%s",
7674                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7675                         break;
7676                 case 3:
7677                         /* global compat */
7678                         snprintf(conf, sizeof conf, "/etc/%s",
7679                             SWM_CONF_FILE_OLD);
7680                         break;
7681                 default:
7682                         goto noconfig;
7683                 }
7684
7685                 if (strlen(conf) && stat(conf, &sb) != -1)
7686                         if (S_ISREG(sb.st_mode)) {
7687                                 cfile = conf;
7688                                 break;
7689                         }
7690         }
7691 noconfig:
7692
7693         /* load conf (if any) */
7694         if (cfile)
7695                 conf_load(cfile, SWM_CONF_DEFAULT);
7696
7697         setup_ewmh();
7698         /* set some values to work around bad programs */
7699         workaround();
7700         /* grab existing windows (before we build the bars) */
7701         grab_windows();
7702
7703         if (getenv("SWM_STARTED") == NULL)
7704                 setenv("SWM_STARTED", "YES", 1);
7705
7706         /* setup all bars */
7707         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7708         for (i = 0; i < num_screens; i++)
7709                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7710                         if (winfocus == NULL)
7711                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7712                         bar_setup(r);
7713                 }
7714
7715         unfocus_all();
7716
7717         grabkeys();
7718         stack();
7719         if (focus_mode == SWM_FOCUS_DEFAULT)
7720                 drain_enter_notify();
7721
7722         xfd = xcb_get_file_descriptor(conn);
7723         while (running) {
7724                 while (XPending(display)) {
7725                         XNextEvent(display, &e);
7726                         if (running == 0)
7727                                 goto done;
7728                         if (e.type < LASTEvent) {
7729                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7730                                     "window: 0x%lx, type: %s (%d), %d remaining"
7731                                     "\n", YESNO(handler[e.type]),
7732                                     e.xany.window, geteventname(&e),
7733                                     e.type, QLength(display));
7734
7735                                 if (handler[e.type])
7736                                         handler[e.type](&e);
7737                         } else {
7738                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7739                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7740                                     xrandr_geteventname(&e), e.type);
7741
7742                                 switch (e.type - xrandr_eventbase) {
7743                                 case XCB_RANDR_SCREEN_CHANGE_NOTIFY:
7744                                         screenchange(&e);
7745                                         break;
7746                                 default:
7747                                         break;
7748                                 }
7749                         }
7750                 }
7751
7752                 /* if we are being restarted go focus on first window */
7753                 if (winfocus) {
7754                         rr = winfocus->ws->r;
7755                         if (rr == NULL) {
7756                                 /* not a visible window */
7757                                 winfocus = NULL;
7758                                 continue;
7759                         }
7760                         /* move pointer to first screen if multi screen */
7761                         if (num_screens > 1 || outputs > 1)
7762                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7763                                         rr->s[0].root, 0, 0, 0, 0, X(rr),
7764                                         Y(rr) + (bar_enabled ? bar_height : 0));
7765
7766                         a.id = SWM_ARG_ID_FOCUSCUR;
7767                         focus(rr, &a);
7768                         winfocus = NULL;
7769                         continue;
7770                 }
7771
7772                 FD_ZERO(&rd);
7773                 FD_SET(xfd, &rd);
7774                 tv.tv_sec = 1;
7775                 tv.tv_usec = 0;
7776                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7777                         if (errno != EINTR)
7778                                 DNPRINTF(SWM_D_MISC, "select failed");
7779                 if (restart_wm == 1)
7780                         restart(NULL, NULL);
7781                 if (search_resp == 1)
7782                         search_do_resp();
7783                 if (running == 0)
7784                         goto done;
7785                 if (bar_alarm) {
7786                         bar_alarm = 0;
7787                         bar_update();
7788                 }
7789         }
7790 done:
7791         teardown_ewmh();
7792         bar_extra_stop();
7793
7794         for (i = 0; i < num_screens; ++i)
7795                 if (screens[i].bar_gc != NULL)
7796                         XFreeGC(display, screens[i].bar_gc);
7797         XFreeFontSet(display, bar_fs);
7798         xcb_disconnect(conn);
7799         XCloseDisplay(display);
7800
7801         return (0);
7802 }